/* Professional Solar Business Website Styles - Modern Design System */

/* Modern CSS Variables - Professional Color Palette */
:root {
    /* Primary Brand Colors - Modern Blue-Green Solar Theme */
    --primary-color: #2563eb;  /* Indigo 600 */
    --primary-dark: #1e40af;   /* Indigo 800 */
    --primary-light: #3b82f6;  /* Indigo 500 */
    --secondary-color: #10b981; /* Emerald */
    --accent-color: #f59e0b;    /* Amber */
    
    /* Status & Semantic Colors */
    --success-color: #22c55e;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --info-color: #06b6d4;
    
    /* Modern Neutral Palette - Tailwind Inspired */
    --white: #ffffff;
    --black: #000000;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    
    /* Background System */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --bg-accent: linear-gradient(135deg, #2563eb 0%, #10b981 100%);
    --bg-dark: #0f172a;
    --bg-pattern: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(15,23,42,0.05)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    
    /* Typography System */
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --text-inverse: #ffffff;
    --text-accent: var(--primary-color);
    
    /* Border & Radius System */
    --border-color: #e2e8f0;
    --border-color-light: #f1f5f9;
    --border-width: 1px;
    --border-radius-none: 0;
    --border-radius-sm: 0.125rem;
    --border-radius: 0.375rem;
    --border-radius-md: 0.5rem;
    --border-radius-lg: 0.75rem;
    --border-radius-xl: 1rem;
    --border-radius-2xl: 1.5rem;
    --border-radius-full: 50%;
    
    /* Modern Shadow System */
    --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-2xl: 0 50px 100px -20px rgba(0, 0, 0, 0.25);
    --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.05);
    --shadow-glow: 0 0 20px rgba(14, 165, 233, 0.3);
    
    /* Typography Scale - Perfect Ratio */
    --font-family-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    --font-family-serif: 'Georgia', 'Cambria', 'Times New Roman', serif;
    --font-family-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
    --font-family-display: 'Inter', var(--font-family-sans);
    
    --font-size-xs: 0.75rem;      /* 12px */
    --font-size-sm: 0.875rem;     /* 14px */
    --font-size-base: 1rem;       /* 16px */
    --font-size-lg: 1.125rem;     /* 18px */
    --font-size-xl: 1.25rem;      /* 20px */
    --font-size-2xl: 1.5rem;      /* 24px */
    --font-size-3xl: 1.875rem;    /* 30px */
    --font-size-4xl: 2.25rem;     /* 36px */
    --font-size-5xl: 3rem;        /* 48px */
    --font-size-6xl: 3.75rem;     /* 60px */
    --font-size-7xl: 4.5rem;      /* 72px */
    
    --font-weight-thin: 100;
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;
    --font-weight-black: 900;
    
    --line-height-none: 1;
    --line-height-tight: 1.25;
    --line-height-snug: 1.375;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.625;
    --line-height-loose: 2;
    
    --letter-spacing-tighter: -0.05em;
    --letter-spacing-tight: -0.025em;
    --letter-spacing-normal: 0em;
    --letter-spacing-wide: 0.025em;
    --letter-spacing-wider: 0.05em;
    --letter-spacing-widest: 0.1em;
    
    /* Animation & Transition System */
    --transition-none: none;
    --transition-all: all 0.15s ease-in-out;
    --transition-colors: color 0.15s ease-in-out, background-color 0.15s ease-in-out, border-color 0.15s ease-in-out;
    --transition-opacity: opacity 0.15s ease-in-out;
    --transition-shadow: box-shadow 0.15s ease-in-out;
    --transition-transform: transform 0.15s ease-in-out;
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    
    --duration-75: 75ms;
    --duration-100: 100ms;
    --duration-150: 150ms;
    --duration-200: 200ms;
    --duration-300: 300ms;
    --duration-500: 500ms;
    --duration-700: 700ms;
    --duration-1000: 1000ms;
    
    /* Spacing Scale - Perfect 8px Grid */
    --space-px: 1px;
    --space-0: 0;
    --space-0-5: 0.125rem;  /* 2px */
    --space-1: 0.25rem;     /* 4px */
    --space-1-5: 0.375rem;  /* 6px */
    --space-2: 0.5rem;      /* 8px */
    --space-2-5: 0.625rem;  /* 10px */
    --space-3: 0.75rem;     /* 12px */
    --space-3-5: 0.875rem;  /* 14px */
    --space-4: 1rem;        /* 16px */
    --space-5: 1.25rem;     /* 20px */
    --space-6: 1.5rem;      /* 24px */
    --space-7: 1.75rem;     /* 28px */
    --space-8: 2rem;        /* 32px */
    --space-9: 2.25rem;     /* 36px */
    --space-10: 2.5rem;     /* 40px */
    --space-11: 2.75rem;    /* 44px */
    --space-12: 3rem;       /* 48px */
    --space-14: 3.5rem;     /* 56px */
    --space-16: 4rem;       /* 64px */
    --space-20: 5rem;       /* 80px */
    --space-24: 6rem;       /* 96px */
    --space-28: 7rem;       /* 112px */
    --space-32: 8rem;       /* 128px */
    --space-36: 9rem;       /* 144px */
    --space-40: 10rem;      /* 160px */
    --space-44: 11rem;      /* 176px */
    --space-48: 12rem;      /* 192px */
    --space-52: 13rem;      /* 208px */
    --space-56: 14rem;      /* 224px */
    --space-60: 15rem;      /* 240px */
    --space-64: 16rem;      /* 256px */
    --space-72: 18rem;      /* 288px */
    --space-80: 20rem;      /* 320px */
    --space-96: 24rem;      /* 384px */
    
    /* Z-Index Scale */
    --z-0: 0;
    --z-10: 10;
    --z-20: 20;
    --z-30: 30;
    --z-40: 40;
    --z-50: 50;
    --z-auto: auto;
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
    
    /* Breakpoints for Responsive Design */
    --breakpoint-sm: 576px;
    --breakpoint-md: 768px;
    --breakpoint-lg: 992px;
    --breakpoint-xl: 1200px;
    --breakpoint-2xl: 1400px;
}

/* Modern Base Styles - Professional Foundation */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 100px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    font-feature-settings: 'kern' 1, 'liga' 1, 'calt' 1;
}

body {
    font-family: var(--font-family-sans);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-normal);
    line-height: var(--line-height-normal);
    color: var(--text-primary);
    background-color: var(--bg-primary);
    background-image: var(--bg-pattern);
    overflow-x: hidden;
    min-height: 100vh;
    letter-spacing: var(--letter-spacing-normal);
}

/* Modern Typography System */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-family-display);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
    color: var(--text-primary);
    margin-bottom: var(--space-4);
    letter-spacing: var(--letter-spacing-tight);
}

h1 { 
    font-size: clamp(var(--font-size-3xl), 5vw, var(--font-size-6xl));
    font-weight: var(--font-weight-extrabold);
    letter-spacing: var(--letter-spacing-tighter);
}

h2 { 
    font-size: clamp(var(--font-size-2xl), 4vw, var(--font-size-4xl));
    font-weight: var(--font-weight-bold);
}

h3 { 
    font-size: clamp(var(--font-size-xl), 3vw, var(--font-size-3xl));
    font-weight: var(--font-weight-semibold);
}

h4 { 
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
}

h5 { 
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-medium);
}

h6 { 
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wide);
}

p {
    margin-bottom: var(--space-4);
    color: var(--text-secondary);
    line-height: var(--line-height-relaxed);
}

.lead {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-normal);
    line-height: var(--line-height-relaxed);
    color: var(--text-primary);
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition-colors);
    font-weight: var(--font-weight-medium);
}

a:hover {
    color: var(--primary-dark);
    text-decoration: none;
}

a:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
    border-radius: var(--border-radius-sm);
}

/* Selection Styling */
::selection {
    background-color: var(--primary-color);
    color: var(--white);
}

::-moz-selection {
    background-color: var(--primary-color);
    color: var(--white);
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--gray-100);
}

::-webkit-scrollbar-thumb {
    background: var(--gray-400);
    border-radius: var(--border-radius);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gray-500);
}

/* Firefox scrollbar */
html {
    scrollbar-width: thin;
    scrollbar-color: var(--gray-400) var(--gray-100);
}

/* Modern Bootstrap Component Overrides */

/* Background Utilities */
.bg-primary {
    background: var(--bg-accent) !important;
}

.bg-light {
    background-color: var(--bg-secondary) !important;
}

.bg-secondary {
    background-color: var(--bg-tertiary) !important;
}

/* Button System - Modern & Professional */
.btn {
    font-family: var(--font-family-sans);
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-sm);
    line-height: var(--line-height-none);
    border-radius: var(--border-radius);
    border-width: var(--border-width);
    padding: var(--space-3) var(--space-6);
    transition: var(--transition-smooth);
    text-transform: none;
    letter-spacing: var(--letter-spacing-wide);
    position: relative;
    overflow: hidden;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    white-space: nowrap;
    user-select: none;
    text-decoration: none;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: var(--transition-smooth);
}

.btn:hover::before {
    left: 100%;
}

.btn:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.25);
}

.btn:active {
    transform: translateY(1px);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    border-color: var(--primary-color);
    color: var(--white);
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
    border-color: var(--primary-dark);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-primary:focus {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
    border-color: var(--primary-dark);
    color: var(--white);
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.25);
}

.btn-secondary {
    background: linear-gradient(135deg, var(--gray-500) 0%, var(--gray-600) 100%);
    border-color: var(--gray-500);
    color: var(--white);
}

.btn-secondary:hover {
    background: linear-gradient(135deg, var(--gray-600) 0%, var(--gray-700) 100%);
    border-color: var(--gray-600);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-success {
    background: linear-gradient(135deg, var(--success-color) 0%, #16a34a 100%);
    border-color: var(--success-color);
    color: var(--white);
}

.btn-success:hover {
    background: linear-gradient(135deg, #16a34a 0%, #15803d 100%);
    border-color: #16a34a;
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-warning {
    background: linear-gradient(135deg, var(--warning-color) 0%, #d97706 100%);
    border-color: var(--warning-color);
    color: var(--white);
}

.btn-warning:hover {
    background: linear-gradient(135deg, #d97706 0%, #b45309 100%);
    border-color: #d97706;
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-info {
    background: linear-gradient(135deg, var(--info-color) 0%, #0891b2 100%);
    border-color: var(--info-color);
    color: var(--white);
}

.btn-info:hover {
    background: linear-gradient(135deg, #0891b2 0%, #0e7490 100%);
    border-color: #0891b2;
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger-color) 0%, #dc2626 100%);
    border-color: var(--danger-color);
    color: var(--white);
}

.btn-danger:hover {
    background: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
    border-color: #dc2626;
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Outline Button Variants */
.btn-outline-primary {
    color: var(--primary-color);
    border-color: var(--primary-color);
    background: transparent;
    backdrop-filter: blur(10px);
}

.btn-outline-primary:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-outline-secondary {
    color: var(--gray-600);
    border-color: var(--gray-400);
    background: transparent;
}

.btn-outline-secondary:hover {
    background: var(--gray-600);
    border-color: var(--gray-600);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Button Sizes */
.btn-lg {
    padding: var(--space-4) var(--space-8);
    font-size: var(--font-size-base);
    border-radius: var(--border-radius-lg);
    font-weight: var(--font-weight-semibold);
}

.btn-sm {
    padding: var(--space-2) var(--space-4);
    font-size: var(--font-size-xs);
    border-radius: var(--border-radius-sm);
}

.btn-xs {
    padding: var(--space-1-5) var(--space-3);
    font-size: var(--font-size-xs);
    border-radius: var(--border-radius-sm);
    font-weight: var(--font-weight-medium);
}

/* Modern Form Controls */
.form-control {
    font-family: var(--font-family-sans);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-normal);
    line-height: var(--line-height-normal);
    color: var(--text-primary);
    background-color: var(--white);
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--space-3) var(--space-4);
    transition: var(--transition-colors), var(--transition-shadow);
    box-shadow: var(--shadow-xs);
}

.form-control:focus {
    color: var(--text-primary);
    background-color: var(--white);
    border-color: var(--primary-color);
    outline: 0;
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1), var(--shadow-sm);
}

.form-control:disabled,
.form-control[readonly] {
    background-color: var(--gray-50);
    color: var(--text-muted);
    border-color: var(--gray-200);
    opacity: 1;
}

.form-control::placeholder {
    color: var(--text-muted);
    opacity: 1;
}

.form-select {
    font-family: var(--font-family-sans);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-normal);
    line-height: var(--line-height-normal);
    color: var(--text-primary);
    background-color: var(--white);
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--space-3) var(--space-4);
    transition: var(--transition-colors), var(--transition-shadow);
    box-shadow: var(--shadow-xs);
}

.form-select:focus {
    border-color: var(--primary-color);
    outline: 0;
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1), var(--shadow-sm);
}

.form-label {
    font-family: var(--font-family-sans);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--text-primary);
    margin-bottom: var(--space-2);
    line-height: var(--line-height-normal);
}

.form-text {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    margin-top: var(--space-1);
}

.form-check-input {
    width: 1.125rem;
    height: 1.125rem;
    margin-top: 0;
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--border-radius-sm);
    transition: var(--transition-colors);
}

.form-check-input:checked {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.form-check-input:focus {
    border-color: var(--primary-color);
    outline: 0;
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.25);
}

.form-check-label {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-normal);
    color: var(--text-primary);
    margin-left: var(--space-2);
}

.input-group {
    position: relative;
    display: flex;
    flex-wrap: wrap;
    align-items: stretch;
    width: 100%;
}

.input-group-text {
    display: flex;
    align-items: center;
    padding: var(--space-3) var(--space-4);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-normal);
    line-height: var(--line-height-normal);
    color: var(--text-secondary);
    text-align: center;
    white-space: nowrap;
    background-color: var(--gray-50);
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--border-radius);
}

/* Modern Card Components */
.card {
    position: relative;
    display: flex;
    flex-direction: column;
    min-width: 0;
    word-wrap: break-word;
    background-color: var(--white);
    background-clip: border-box;
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-smooth);
    overflow: hidden;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
    transition: all 0.3s ease-out;
}

.card-header {
    padding: var(--space-4) var(--space-6);
    margin-bottom: 0;
    color: var(--text-primary);
    background-color: var(--bg-secondary);
    border-bottom: var(--border-width) solid var(--border-color);
    border-top-left-radius: calc(var(--border-radius-lg) - var(--border-width));
    border-top-right-radius: calc(var(--border-radius-lg) - var(--border-width));
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-base);
}

.card-body {
    flex: 1 1 auto;
    padding: var(--space-6);
    color: var(--text-secondary);
}

.card-footer {
    padding: var(--space-4) var(--space-6);
    color: var(--text-muted);
    background-color: var(--bg-secondary);
    border-top: var(--border-width) solid var(--border-color);
    border-bottom-right-radius: calc(var(--border-radius-lg) - var(--border-width));
    border-bottom-left-radius: calc(var(--border-radius-lg) - var(--border-radius));
}

.card-title {
    margin-bottom: var(--space-3);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    line-height: var(--line-height-tight);
}

.card-subtitle {
    margin-top: calc(var(--space-3) * -0.5);
    margin-bottom: var(--space-2);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-normal);
    color: var(--text-muted);
}

.card-text {
    color: var(--text-secondary);
    line-height: var(--line-height-relaxed);
}

.card-text:last-child {
    margin-bottom: 0;
}

.card-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    transition: var(--transition-colors);
}

.card-link:hover {
    color: var(--primary-dark);
    text-decoration: none;
}

/* Text Color Utilities */
.text-primary {
    color: var(--primary-color) !important;
}

.text-secondary {
    color: var(--text-secondary) !important;
}

.text-muted {
    color: var(--text-muted) !important;
}

.text-success {
    color: var(--success-color) !important;
}

.text-warning {
    color: var(--warning-color) !important;
}

.text-danger {
    color: var(--danger-color) !important;
}

.text-info {
    color: var(--info-color) !important;
}

.text-white {
    color: var(--white) !important;
}

.text-black {
    color: var(--black) !important;
}

.text-gradient {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Modern Header & Navigation */
.header {
    position: relative;
    z-index: var(--z-fixed);
}

.navbar {
    background: rgba(255, 255, 255, 0.85) !important;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: var(--border-width) solid rgba(226, 232, 240, 0.8);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-smooth);
    padding: var(--space-4) 0;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-fixed);
}

.navbar.navbar-scrolled {
    background: rgba(255, 255, 255, 0.95) !important;
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    box-shadow: var(--shadow-md);
    padding: var(--space-3) 0;
    border-bottom-color: var(--border-color);
}

.navbar-brand {
    font-family: var(--font-family-display);
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-xl);
    color: var(--text-primary) !important;
    transition: var(--transition-colors);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.navbar-brand:hover {
    color: var(--primary-color) !important;
    text-decoration: none;
    transform: scale(1.02);
}

.navbar-brand img {
    height: 40px;
    width: auto;
    transition: var(--transition-transform);
}

.navbar-brand:hover img {
    transform: scale(1.05);
}

.navbar-nav {
    align-items: center;
    gap: var(--space-1);
}

.navbar-nav .nav-link {
    font-family: var(--font-family-sans);
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-sm);
    color: var(--text-primary) !important;
    text-decoration: none;
    padding: var(--space-2-5) var(--space-4) !important;
    border-radius: var(--border-radius);
    margin: 0 var(--space-1);
    position: relative;
    transition: var(--transition-smooth);
    letter-spacing: var(--letter-spacing-wide);
}

.navbar-nav .nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    opacity: 0;
    border-radius: var(--border-radius);
    transition: var(--transition-smooth);
    z-index: -1;
}

.navbar-nav .nav-link:hover {
    color: var(--white) !important;
    transform: translateY(-2px);
}

.navbar-nav .nav-link:hover::before {
    opacity: 1;
}

.navbar-nav .nav-link:focus {
    color: var(--primary-color) !important;
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.navbar-nav .nav-link.active {
    color: var(--primary-color) !important;
    font-weight: var(--font-weight-semibold);
    background: rgba(14, 165, 233, 0.1);
}

.navbar-nav .nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 24px;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--border-radius-full);
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from {
        width: 0;
        opacity: 0;
    }
    to {
        width: 24px;
        opacity: 1;
    }
}

.navbar-toggler {
    border: none;
    padding: var(--space-2);
    border-radius: var(--border-radius);
    background: rgba(14, 165, 233, 0.1);
    transition: var(--transition-colors);
}

.navbar-toggler:hover {
    background: rgba(14, 165, 233, 0.2);
}

.navbar-toggler:focus {
    box-shadow: 0 0 0 2px var(--primary-color);
    outline: none;
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%2831, 41, 55, 0.8%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
    width: 24px;
    height: 24px;
}

/* Dropdown Menu Styles */
.dropdown-menu {
    background: var(--white);
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    padding: var(--space-2);
    margin-top: var(--space-2);
    min-width: 220px;
    animation: dropdownFadeIn 0.2s ease-out;
}

@keyframes dropdownFadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.dropdown-item {
    font-family: var(--font-family-sans);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--text-primary);
    padding: var(--space-2-5) var(--space-4);
    border-radius: var(--border-radius);
    transition: var(--transition-smooth);
    display: flex;
    align-items: center;
}

.dropdown-item:hover {
    background: var(--bg-secondary);
    color: var(--primary-color);
    transform: translateX(4px);
}

.dropdown-item:active {
    background: var(--primary-color);
    color: var(--white);
}

.dropdown-item.active {
    background: rgba(14, 165, 233, 0.1);
    color: var(--primary-color);
    font-weight: var(--font-weight-semibold);
}

.dropdown-divider {
    border-top: var(--border-width) solid var(--border-color);
    margin: var(--space-2) 0;
}

/* Signup Button Styles */
.btn-signup {
    background: #1e3a8a !important; /* Dark blue matching the image */
    border: none !important;
    color: var(--white) !important;
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-sm);
    padding: var(--space-3) var(--space-6);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-md);
    transition: var(--transition-smooth);
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
}

.btn-signup:hover {
    background: #1e40af !important; /* Slightly lighter on hover */
    color: var(--white) !important;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-signup:focus {
    background: #1e3a8a !important;
    color: var(--white) !important;
    box-shadow: 0 0 0 3px rgba(30, 58, 138, 0.3), var(--shadow-lg);
}

.btn-signup i {
    transition: var(--transition-transform);
}

.btn-signup:hover i {
    transform: translateX(4px);
}

/* Mobile Navigation Improvements */
@media (max-width: 991.98px) {
    .navbar-collapse {
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border-radius: var(--border-radius-lg);
        box-shadow: var(--shadow-lg);
        margin-top: var(--space-3);
        padding: var(--space-4);
        border: var(--border-width) solid var(--border-color);
    }
    
    .navbar-nav .nav-link {
        margin: var(--space-1) 0;
        padding: var(--space-3) var(--space-4) !important;
        border-radius: var(--border-radius);
    }
    
    .navbar-nav .nav-link:hover {
        background: var(--bg-secondary);
        color: var(--primary-color) !important;
        transform: translateX(4px);
    }
    
    .navbar-nav .nav-link:hover::before {
        opacity: 0;
    }
    
    .btn-signup {
        width: 100%;
        justify-content: center;
        margin-top: var(--space-3);
    }
}

/* Main Content Layout */
.main-content {
    padding-top: 0; /* Remove extra offset under fixed navbar */
    min-height: 100vh;
}

/* Modern Hero Section */
.hero-section {
    position: relative;
    height: 100vh;
    min-height: 700px;
    background: linear-gradient(135deg, var(--gray-900) 100%, var(--gray-800) 100%, var(--gray-700) 100%);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-pattern);
    opacity: 0.1;
    z-index: 1;
}

.hero-section::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 70%, rgba(14, 165, 233, 0.3) 0%, transparent 50%),
                radial-gradient(circle at 70% 30%, rgba(16, 185, 129, 0.2) 0%, transparent 50%);
    z-index: 1;
}

.hero-swiper {
    height: 100%;
    width: 100%;
}

.hero-slide {
    height: 100vh;
    min-height: 700px;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.5s ease-out;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        135deg,
        rgba(15, 23, 42, 0.8) 0%,
        rgba(30, 41, 59, 0.6) 50%,
        rgba(51, 65, 85, 0.4) 100%
    );
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    color: var(--white);
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    padding: 0 var(--space-6);
    animation: heroFadeInUp 1.2s ease-out;
}

@keyframes heroFadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-subtitle {
    font-family: var(--font-family-sans);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-medium);
    margin-bottom: var(--space-6);
    opacity: 0.9;
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-widest);
    color: var(--accent-color);
    animation: heroFadeInUp 1.2s ease-out 0.2s both;
}

.hero-title {
    font-family: var(--font-family-display);
    font-size: clamp(var(--font-size-4xl), 6vw, var(--font-size-7xl));
    font-weight: var(--font-weight-black);
    line-height: var(--line-height-tight);
    margin-bottom: var(--space-8);
    text-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
    letter-spacing: var(--letter-spacing-tighter);
    background: linear-gradient(135deg, var(--white) 0%, rgba(255, 255, 255, 0.8) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: heroFadeInUp 1.2s ease-out 0.4s both;
}

.hero-description {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-normal);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--space-10);
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    color: rgba(255, 255, 255, 0.9);
    animation: heroFadeInUp 1.2s ease-out 0.6s both;
}

.hero-btn {
    padding: var(--space-4) var(--space-10);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wide);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-2xl);
    transition: var(--transition-smooth);
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    border: none;
    color: var(--white);
    position: relative;
    overflow: hidden;
    animation: heroFadeInUp 1.2s ease-out 0.8s both;
}

.hero-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: var(--transition-smooth);
}

.hero-btn:hover::before {
    left: 100%;
}

.hero-btn:hover {
    transform: translateY(-4px) scale(1.05);
    box-shadow: 0 25px 50px rgba(14, 165, 233, 0.4);
    color: var(--white);
    transition: all 0.3s ease-out;
}

.hero-btn:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.5), 0 25px 50px rgba(14, 165, 233, 0.4);
    color: var(--white);
}

/* Modern Swiper Navigation */
.swiper-button-prev,
.swiper-button-next {
    color: var(--white);
    background: rgba(255, 255, 255, 0.1);
    width: 64px;
    height: 64px;
    border-radius: var(--border-radius-full);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition-smooth);
    z-index: 4;
}

.swiper-button-prev:hover,
.swiper-button-next:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.1);
    border-color: rgba(255, 255, 255, 0.4);
    box-shadow: var(--shadow-lg);
}

.swiper-button-prev:after,
.swiper-button-next:after {
    font-size: 20px;
    font-weight: var(--font-weight-bold);
}

.swiper-pagination {
    z-index: 4;
}

.swiper-pagination-bullet {
    background: rgba(255, 255, 255, 0.5);
    opacity: 0.7;
    width: 12px;
    height: 12px;
    transition: var(--transition-smooth);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.swiper-pagination-bullet-active {
    opacity: 1;
    background: var(--white);
    transform: scale(1.4);
    border-color: var(--white);
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.5);
}

/* Hero Responsive Design */
@media (max-width: 768px) {
    .hero-section {
        min-height: 600px;
        height: 100vh;
    }
    
    .hero-slide {
        min-height: 600px;
        height: 100vh;
    }
    
    .hero-content {
        padding: 0 var(--space-4);
    }
    
    .hero-subtitle {
        font-size: var(--font-size-base);
        margin-bottom: var(--space-4);
    }
    
    .hero-description {
        font-size: var(--font-size-base);
        margin-bottom: var(--space-8);
    }
    
    .hero-btn {
        padding: var(--space-3) var(--space-6);
        font-size: var(--font-size-base);
    }
    
    .swiper-button-prev,
    .swiper-button-next {
        width: 48px;
        height: 48px;
    }
    
    .swiper-button-prev:after,
    .swiper-button-next:after {
        font-size: 16px;
    }
}

/* Modern Section Styles */
.section-title {
    font-family: var(--font-family-display);
    font-size: clamp(var(--font-size-2xl), 4vw, var(--font-size-4xl));
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
    margin-bottom: var(--space-6);
    color: var(--text-primary);
    position: relative;
    display: inline-block;
    letter-spacing: var(--letter-spacing-tight);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--border-radius);
    animation: titleUnderline 0.8s ease-out 0.5s both;
}

@keyframes titleUnderline {
    from {
        width: 0;
        opacity: 0;
    }
    to {
        width: 80px;
        opacity: 1;
    }
}

.section-subtitle {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-normal);
    line-height: var(--line-height-relaxed);
    color: var(--text-secondary);
    margin-bottom: var(--space-10);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Modern Page Header */
.page-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--white);
    padding: var(--space-12) 0 var(--space-12);
    text-align: center;
    position: relative;
    overflow: hidden;
    margin-top: 0; /* No extra margin; navbar is fixed */
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-pattern);
    opacity: 0.1;
    z-index: 1;
}

.page-header::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 70% 70%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
    z-index: 1;
}

.page-header .container {
    position: relative;
    z-index: 2;
}

.page-title {
    font-family: var(--font-family-display);
    font-size: clamp(var(--font-size-3xl), 5vw, var(--font-size-5xl));
    font-weight: var(--font-weight-black);
    line-height: var(--line-height-tight);
    margin-bottom: var(--space-4);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    letter-spacing: var(--letter-spacing-tighter);
    animation: pageHeaderFadeIn 0.8s ease-out;
}

@keyframes pageHeaderFadeIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.page-subtitle {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-normal);
    line-height: var(--line-height-relaxed);
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
    animation: pageHeaderFadeIn 0.8s ease-out 0.2s both;
}

/* Enhanced Breadcrumb */
.breadcrumb {
    background: transparent;
    padding: 0;
    margin-bottom: var(--space-6);
    font-size: var(--font-size-sm);
    animation: pageHeaderFadeIn 0.8s ease-out 0.1s both;
}

.breadcrumb-item {
    font-weight: var(--font-weight-medium);
}

.breadcrumb-item a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition-colors);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--border-radius-sm);
}

.breadcrumb-item a:hover {
    color: var(--white);
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-1px);
}

.breadcrumb-item.active {
    color: var(--white);
    font-weight: var(--font-weight-semibold);
}

.breadcrumb-item + .breadcrumb-item::before {
    color: rgba(255, 255, 255, 0.6);
    content: '/';
    margin: 0 var(--space-2);
}

/* Modern Features Section */
.features-section {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
    position: relative;
    overflow: hidden;
    padding: var(--space-20) 0;
}

.features-section::before {
    content: '';
    position: absolute;
    top: 0;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(14, 165, 233, 0.05) 0%, transparent 70%);
    z-index: 0;
}

.features-section .container {
    position: relative;
    z-index: 1;
}

.feature-card {
    background: var(--white);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-smooth);
    height: 100%;
    border: var(--border-width) solid var(--border-color);
    padding: var(--space-8);
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transition: var(--transition-smooth);
    transform-origin: left;
}

.feature-card::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(14, 165, 233, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: var(--transition-smooth);
    transform: scale(0.8);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-card:hover::after {
    opacity: 1;
    transform: scale(1);
}

.feature-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-light);
}

.feature-icon {
    margin-bottom: var(--space-6);
    position: relative;
    z-index: 1;
}

.feature-icon i {
    transition: var(--transition-smooth);
    display: block;
}

.feature-card:hover .feature-icon i {
    transform: scale(1.1) rotate(5deg);
    color: var(--primary-color);
}

.feature-card h5 {
    font-family: var(--font-family-display);
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-4);
    color: var(--text-primary);
    position: relative;
    z-index: 1;
}

.feature-card p {
    color: var(--text-secondary);
    line-height: var(--line-height-relaxed);
    margin-bottom: 0;
    position: relative;
    z-index: 1;
}

/* Premium Product Cards */
.products-section {
    padding: var(--space-20) 0;
}

.product-card {
    background: var(--white);
    border-radius: var(--border-radius-2xl);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-smooth);
    overflow: hidden;
    border: var(--border-width) solid var(--border-color);
    position: relative;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(14, 165, 233, 0.1), transparent);
    transition: var(--transition-smooth);
    z-index: 1;
}

.product-card:hover::before {
    left: 100%;
}

.product-card:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: var(--shadow-2xl);
    border-color: var(--primary-light);
}

.product-image {
    position: relative;
    overflow: hidden;
    height: 280px;
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--gray-100) 100%);
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
    transform-origin: center;
}

.product-card:hover .product-image img {
    transform: scale(1.1) rotate(2deg);
}

.product-badge {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    z-index: 3;
}

.product-badge .badge {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    color: var(--white);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--border-radius-lg);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wide);
    box-shadow: var(--shadow-md);
    border: 2px solid var(--white);
}

.product-content {
    padding: var(--space-6);
    flex: 1;
    display: flex;
    flex-direction: column;
    position: relative;
    z-index: 2;
}

.product-title {
    font-family: var(--font-family-display);
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-lg);
    line-height: var(--line-height-tight);
    margin-bottom: var(--space-3);
    color: var(--text-primary);
    transition: var(--transition-colors);
}

.product-card:hover .product-title {
    color: var(--primary-color);
}

.product-description {
    color: var(--text-secondary);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--space-4);
    font-size: var(--font-size-sm);
    flex: 1;
}

.product-features {
    margin-bottom: var(--space-5);
    padding: var(--space-4);
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--primary-color);
}

.features-title {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    margin-bottom: var(--space-2);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wide);
}

.features-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.features-list li {
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    padding: var(--space-1) 0;
    position: relative;
    padding-left: var(--space-5);
    transition: var(--transition-colors);
}

.features-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: var(--space-1);
    color: var(--success-color);
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-sm);
    width: 16px;
    height: 16px;
    background: rgba(34, 197, 94, 0.1);
    border-radius: var(--border-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

.features-list li:hover {
    color: var(--text-primary);
    transform: translateX(4px);
}

.product-price {
    margin-bottom: var(--space-5);
    padding: var(--space-4);
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
    border-radius: var(--border-radius-lg);
    border: 2px solid var(--primary-color);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.product-price::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.05) 0%, rgba(16, 185, 129, 0.05) 100%);
    z-index: 0;
}

.price {
    font-family: var(--font-family-display);
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--primary-color);
    display: block;
    position: relative;
    z-index: 1;
    text-shadow: 0 2px 4px rgba(14, 165, 233, 0.2);
}

.product-actions {
    display: flex;
    gap: var(--space-2);
    flex-wrap: wrap;
    align-items: center;
    margin-top: auto;
}

.product-actions .btn {
    flex: 1;
    min-width: 120px;
    font-weight: var(--font-weight-medium);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wide);
    font-size: var(--font-size-xs);
}

.inquiry-btn {
    background: linear-gradient(135deg, var(--success-color) 0%, #16a34a 100%);
    border: none;
    color: var(--white);
    font-weight: var(--font-weight-semibold);
    padding: var(--space-3) var(--space-4);
    border-radius: var(--border-radius);
    transition: var(--transition-smooth);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wide);
    font-size: var(--font-size-xs);
}

.inquiry-btn:hover {
    background: linear-gradient(135deg, #16a34a 0%, #15803d 100%);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: var(--white);
}

.inquiry-btn:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.25);
    color: var(--white);
}

/* Modern About Section */
.about-section {
    padding: var(--space-20) 0;
    position: relative;
    overflow: hidden;
}

.about-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(16, 185, 129, 0.05) 0%, transparent 70%);
    z-index: 0;
}

.about-content {
    padding-right: var(--space-8);
    position: relative;
    z-index: 1;
}

.about-stats {
    margin: var(--space-8) 0;
}

.stat-item {
    background: linear-gradient(135deg, var(--white) 0%, var(--bg-secondary) 100%);
    border-radius: var(--border-radius-lg);
    border: var(--border-width) solid var(--border-color);
    transition: var(--transition-smooth);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.stat-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transition: var(--transition-smooth);
    transform-origin: left;
}

.stat-item:hover::before {
    transform: scaleX(1);
}

.stat-item:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.stat-number {
    font-family: var(--font-family-display);
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-black);
    margin-bottom: var(--space-2);
    color: var(--primary-color);
    text-shadow: 0 2px 4px rgba(14, 165, 233, 0.2);
    transition: var(--transition-smooth);
}

.stat-item:hover .stat-number {
    transform: scale(1.1);
}

.stat-label {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--text-secondary);
    margin-bottom: 0;
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wide);
}

.about-image {
    position: relative;
    overflow: hidden;
    border-radius: var(--border-radius-2xl);
}

.about-image img {
    border-radius: var(--border-radius-2xl);
    box-shadow: var(--shadow-xl);
    transition: var(--transition-smooth);
    width: 100%;
    height: auto;
}

.about-image:hover img {
    transform: scale(1.05) rotate(1deg);
    box-shadow: var(--shadow-2xl);
}

/* Enhanced Gallery Styles */
.gallery-preview {
    padding: var(--space-20) 0;
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
    position: relative;
    overflow: hidden;
}

.gallery-preview::before {
    content: '';
    position: absolute;
    top: 0;
    right: -30%;
    width: 60%;
    height: 100%;
    background: radial-gradient(ellipse, rgba(14, 165, 233, 0.08) 0%, transparent 70%);
    z-index: 0;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: var(--border-radius-xl);
    aspect-ratio: 1;
    cursor: pointer;
    transition: var(--transition-smooth);
    box-shadow: var(--shadow-sm);
    border: 2px solid var(--white);
}

.gallery-item:hover {
    transform: translateY(-8px) scale(1.05);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
    z-index: 10;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.8) 0%, rgba(16, 185, 129, 0.6) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-smooth);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-overlay i {
    color: var(--white);
    font-size: var(--font-size-3xl);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    animation: galleryIconPulse 2s infinite;
}

@keyframes galleryIconPulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.2);
    }
}

.gallery-item:hover img {
    transform: scale(1.15) rotate(2deg);
}

/* Modern CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    padding: var(--space-20) 0;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-pattern);
    opacity: 0.1;
    z-index: 0;
}

.cta-section::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    animation: ctaGlow 8s ease-in-out infinite;
    z-index: 0;
}

@keyframes ctaGlow {
    0%, 100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.3;
    }
    50% {
        transform: translate(-30%, -30%) scale(1.2);
        opacity: 0.1;
    }
}

.cta-section .container {
    position: relative;
    z-index: 1;
}

.cta-section h2 {
    font-family: var(--font-family-display);
    font-weight: var(--font-weight-black);
    margin-bottom: var(--space-6);
    color: var(--white);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.cta-section .lead {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--space-8);
    font-size: var(--font-size-lg);
    line-height: var(--line-height-relaxed);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.cta-buttons {
    margin-bottom: var(--space-8);
    display: flex;
    gap: var(--space-4);
    flex-wrap: wrap;
    justify-content: center;
}

.cta-buttons .btn {
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wide);
    padding: var(--space-4) var(--space-8);
    font-size: var(--font-size-base);
    border-radius: var(--border-radius-xl);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.cta-buttons .btn-light {
    background: var(--white);
    color: var(--primary-color);
    border: 2px solid var(--white);
    box-shadow: var(--shadow-lg);
}

.cta-buttons .btn-light:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-4px) scale(1.05);
    box-shadow: var(--shadow-2xl);
}

.cta-buttons .btn-outline-light {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--white);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.cta-buttons .btn-outline-light:hover {
    background: var(--white);
    color: var(--primary-color);
    transform: translateY(-4px) scale(1.05);
    box-shadow: var(--shadow-2xl);
}

.cta-contact {
    text-align: center;
}

.cta-contact p {
    color: rgba(255, 255, 255, 0.9);
    font-size: var(--font-size-lg);
    margin-bottom: 0;
}

.cta-contact a {
    color: var(--white);
    text-decoration: none;
    font-weight: var(--font-weight-bold);
    transition: var(--transition-colors);
    border-bottom: 2px solid transparent;
}

.cta-contact a:hover {
    color: var(--white);
    border-bottom-color: var(--white);
    transform: translateY(-2px);
}

/* Professional WhatsApp Float Button */
.whatsapp-float {
    position: fixed;
    width: 64px;
    height: 64px;
    bottom: var(--space-8);
    right: var(--space-8);
    background: linear-gradient(135deg, #25d366 0%, #128c7e 100%);
    border-radius: var(--border-radius-full);
    text-align: center;
    font-size: 28px;
    box-shadow: var(--shadow-xl);
    z-index: var(--z-tooltip);
    transition: var(--transition-smooth);
    animation: whatsappPulse 3s infinite;
    cursor: pointer;
    border: 3px solid var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
}

.whatsapp-float::before {
    content: '';
    position: absolute;
    top: -8px;
    left: -8px;
    right: -8px;
    bottom: -8px;
    border-radius: var(--border-radius-full);
    background: linear-gradient(135deg, #25d366, #128c7e);
    z-index: -1;
    opacity: 0;
    transition: var(--transition-smooth);
}

.whatsapp-float:hover::before {
    opacity: 0.3;
    transform: scale(1.2);
}

.whatsapp-float:hover {
    transform: translateY(-4px) scale(1.1);
    box-shadow: var(--shadow-2xl);
    animation-play-state: paused;
}

.whatsapp-float .whatsapp-btn {
    color: var(--white);
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    border-radius: var(--border-radius-full);
}

.whatsapp-float:focus {
    outline: 3px solid rgba(37, 211, 102, 0.5);
    outline-offset: 4px;
}

@keyframes whatsappPulse {
    0%, 100% {
        box-shadow: var(--shadow-xl), 0 0 0 0 rgba(37, 211, 102, 0.7);
    }
    50% {
        box-shadow: var(--shadow-xl), 0 0 0 20px rgba(37, 211, 102, 0);
    }
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    width: 48px;
    height: 48px;
    bottom: var(--space-8);
    left: var(--space-8);
    background: linear-gradient(135deg, var(--gray-800) 0%, var(--gray-900) 100%);
    color: var(--white);
    border: none;
    border-radius: var(--border-radius-full);
    font-size: var(--font-size-lg);
    cursor: pointer;
    transition: var(--transition-smooth);
    z-index: var(--z-tooltip);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    transform: translateY(-4px) scale(1.1);
    box-shadow: var(--shadow-xl);
}

.back-to-top:focus {
    outline: 3px solid rgba(14, 165, 233, 0.5);
    outline-offset: 4px;
}

.whatsapp-float:hover {
    background: linear-gradient(135deg, #128c7e 0%, #0d6b5d 100%);
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 15px 35px rgba(37, 211, 102, 0.4);
    animation: none;
}

.whatsapp-btn {
    width: 64px;
    height: 64px;
    line-height: 58px;
    color: var(--white);
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: var(--transition-base);
}

.whatsapp-btn i {
    font-size: 28px;
    transition: var(--transition-base);
}

.whatsapp-float:hover .whatsapp-btn i {
    transform: scale(1.1);
}

@keyframes whatsappPulse {
    0% {
        box-shadow: var(--shadow-xl), 0 0 0 0 rgba(37, 211, 102, 0.7);
    }
    70% {
        box-shadow: var(--shadow-xl), 0 0 0 12px rgba(37, 211, 102, 0);
    }
    100% {
        box-shadow: var(--shadow-xl), 0 0 0 0 rgba(37, 211, 102, 0);
    }
}

/* Footer - Modern & Professional */
.footer {
    background: linear-gradient(135deg, var(--gray-900) 0%, var(--gray-800) 100%);
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
}

.footer::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 102, 204, 0.03) 0%, transparent 50%);
    z-index: 0;
}

.footer .container {
    position: relative;
    z-index: 1;
}

.footer h5 {
    color: var(--white);
    font-weight: 700;
    margin-bottom: var(--space-6);
    font-size: var(--font-size-lg);
    position: relative;
}

.footer h5::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 40px;
    height: 2px;
    background: var(--primary-color);
    border-radius: 1px;
}

.footer a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition-fast);
    position: relative;
    font-weight: 400;
}

.footer a:hover {
    color: var(--white);
    text-decoration: none;
    transform: translateX(4px);
}

.footer a::before {
    content: '';
    position: absolute;
    top: 50%;
    left: -12px;
    width: 6px;
    height: 1px;
    background: var(--primary-color);
    transform: translateY(-50%) scaleX(0);
    transition: var(--transition-fast);
    transform-origin: right;
}

.footer a:hover::before {
    transform: translateY(-50%) scaleX(1);
}

.footer .list-unstyled li {
    margin-bottom: var(--space-3);
    padding-left: var(--space-4);
    position: relative;
}

.footer .list-unstyled li::before {
    content: '›';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
    font-size: var(--font-size-lg);
}

.social-links {
    display: flex;
    gap: var(--space-3);
    margin-top: var(--space-4);
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    transition: var(--transition-base);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.social-links a:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-4px) scale(1.1);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.social-links a::before {
    display: none;
}

.footer hr {
    border: none;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    margin: var(--space-12) 0;
}

.footer .row:last-child {
    padding-top: var(--space-8);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer .row:last-child p {
    margin-bottom: 0;
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--font-size-sm);
}

/* Responsive Design & Media Queries */
@media (max-width: 1200px) {
    .hero-content {
        max-width: 800px;
        padding: 0 var(--space-4);
    }
    
    .about-content {
        padding-right: var(--space-4);
    }
    
    .stat-item {
        margin-bottom: var(--space-4);
    }
}

@media (max-width: 992px) {
    .main-content {
        padding-top: 0;
    }
    
    .page-header {
        margin-top: 0;
        padding: var(--space-12) 0 var(--space-10);
    }
    
    .hero-section,
    .hero-slide {
        min-height: 600px;
        height: 100vh;
    }
    
    .features-section,
    .products-section,
    .about-section,
    .gallery-preview,
    .cta-section {
        padding: var(--space-16) 0;
    }
    
    .navbar-collapse {
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border-radius: var(--border-radius-xl);
        box-shadow: var(--shadow-xl);
        margin-top: var(--space-4);
        padding: var(--space-6);
        border: var(--border-width) solid var(--border-color);
    }
    
    .navbar-nav .nav-link {
        margin: var(--space-2) 0;
        padding: var(--space-3) var(--space-4) !important;
        border-radius: var(--border-radius);
        text-align: center;
    }
    
    .navbar-nav .nav-link:hover {
        background: var(--bg-secondary);
        color: var(--primary-color) !important;
        transform: translateX(0) scale(1.02);
    }
    
    .navbar-nav .nav-link:hover::before {
        opacity: 0;
    }
}

@media (max-width: 768px) {
    .hero-section,
    .hero-slide {
        min-height: 500px;
        height: 70vh;
    }
    
    .hero-content {
        padding: 0 var(--space-4);
    }
    
    .hero-subtitle {
        font-size: var(--font-size-base);
        margin-bottom: var(--space-4);
    }
    
    .hero-description {
        font-size: var(--font-size-base);
        margin-bottom: var(--space-8);
    }
    
    .hero-btn {
        padding: var(--space-3) var(--space-6);
        font-size: var(--font-size-base);
    }
    
    .swiper-button-prev,
    .swiper-button-next {
        width: 48px;
        height: 48px;
    }
    
    .swiper-button-prev:after,
    .swiper-button-next:after {
        font-size: 16px;
    }
    
    .section-title {
        font-size: clamp(var(--font-size-xl), 4vw, var(--font-size-3xl));
        margin-bottom: var(--space-4);
    }
    
    .section-subtitle {
        font-size: var(--font-size-base);
        margin-bottom: var(--space-8);
    }
    
    .page-title {
        font-size: clamp(var(--font-size-2xl), 4vw, var(--font-size-4xl));
    }
    
    .page-subtitle {
        font-size: var(--font-size-base);
    }
    
    .feature-card,
    .product-card {
        margin-bottom: var(--space-6);
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
        gap: var(--space-3);
    }
    
    .cta-buttons .btn {
        width: 100%;
        max-width: 300px;
    }
    
    .about-content {
        padding-right: 0;
        margin-bottom: var(--space-8);
    }
    
    .stat-item {
        text-align: center;
        padding: var(--space-6);
    }
    
    .whatsapp-float {
        width: 56px;
        height: 56px;
        bottom: var(--space-6);
        right: var(--space-6);
        font-size: 24px;
    }
    
    .back-to-top {
        width: 44px;
        height: 44px;
        bottom: var(--space-6);
        left: var(--space-6);
        font-size: var(--font-size-base);
    }
}

@media (max-width: 576px) {
    .main-content {
        padding-top: 0;
    }
    
    .page-header {
        margin-top: 0;
        padding: var(--space-10) 0 var(--space-8);
    }
    
    .hero-section,
    .hero-slide {
        min-height: 450px;
        height: 60vh;
    }
    
    .hero-content {
        padding: 0 var(--space-3);
    }
    
    .hero-title {
        font-size: clamp(var(--font-size-xl), 8vw, var(--font-size-3xl));
        margin-bottom: var(--space-6);
    }
    
    .hero-btn {
        padding: var(--space-3) var(--space-5);
        font-size: var(--font-size-sm);
    }
    
    .features-section,
    .products-section,
    .about-section,
    .gallery-preview,
    .cta-section {
        padding: var(--space-12) 0;
    }
    
    .feature-card,
    .product-card {
        padding: var(--space-6);
        margin-bottom: var(--space-4);
    }
    
    .product-image {
        height: 200px;
    }
    
    .section-title::after {
        width: 60px;
        left: 50%;
        transform: translateX(-50%);
    }
    
    .navbar-brand {
        font-size: var(--font-size-lg);
    }
    
    .navbar-brand img {
        height: 32px;
    }
    
    .navbar-collapse {
        padding: var(--space-4);
        margin-top: var(--space-3);
    }
    
    .whatsapp-float {
        width: 52px;
        height: 52px;
        bottom: var(--space-5);
        right: var(--space-5);
        font-size: 22px;
    }
    
    .back-to-top {
        width: 40px;
        height: 40px;
        bottom: var(--space-5);
        left: var(--space-5);
        font-size: var(--font-size-sm);
    }
    
    .cta-section h2 {
        font-size: clamp(var(--font-size-xl), 6vw, var(--font-size-3xl));
    }
    
    .cta-section .lead {
        font-size: var(--font-size-base);
    }
    
    .social-links a {
        width: 40px;
        height: 40px;
    }
}

@media (max-width: 480px) {
    .hero-section,
    .hero-slide {
        min-height: 400px;
        height: 50vh;
    }
    
    .hero-content {
        padding: 0 var(--space-2);
    }
    
    .page-header {
        padding: var(--space-10) 0 var(--space-8);
    }
    
    .features-section,
    .products-section,
    .about-section,
    .gallery-preview,
    .cta-section {
        padding: var(--space-10) 0;
    }
    
    .feature-card,
    .product-card {
        padding: var(--space-4);
    }
    
    .product-image {
        height: 180px;
    }
    
    .section-title {
        font-size: var(--font-size-xl);
    }
    
    .section-subtitle {
        font-size: var(--font-size-sm);
    }
    
    .btn {
        padding: var(--space-2-5) var(--space-4);
        font-size: var(--font-size-xs);
    }
    
    .btn-lg {
        padding: var(--space-3) var(--space-6);
        font-size: var(--font-size-sm);
    }
}

/* Print Styles */
@media print {
    .navbar,
    .whatsapp-float,
    .back-to-top,
    .hero-section,
    .cta-section {
        display: none !important;
    }
    
    .main-content {
        padding-top: 0 !important;
    }
    
    .page-header {
        background: none !important;
        color: var(--text-primary) !important;
        margin-top: 0 !important;
    }
    
    * {
        box-shadow: none !important;
        text-shadow: none !important;
    }
    
    a {
        text-decoration: underline !important;
    }
}

/* Accessibility Enhancements */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    
    .whatsapp-float {
        animation: none !important;
    }
}

@media (prefers-contrast: high) {
    :root {
        --border-color: #000000;
        --text-secondary: #000000;
        --text-muted: #333333;
    }
    
    .feature-card,
    .product-card,
    .card {
        border-width: 2px;
        border-color: #000000;
    }
}

/* Focus visible for better keyboard navigation */
.btn:focus-visible,
.nav-link:focus-visible,
a:focus-visible {
    outline: 3px solid var(--primary-color);
    outline-offset: 2px;
    border-radius: var(--border-radius-sm);
}

/* Smooth scrolling enhancement */
html {
    scroll-padding-top: var(--space-20);
}

/* Loading states */
.loading {
    opacity: 0.7;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--primary-color);
    border-top: 2px solid transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.page-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 5rem 0 3rem;
    text-align: center;
}

.page-title {
    font-size: 3rem;
    font-weight: bold;
    margin-bottom: 1rem;
}

.page-subtitle {
    font-size: 1.3rem;
    opacity: 0.9;
}

/* Breadcrumb */
.breadcrumb {
    background: transparent;
    padding: 0;
}

.breadcrumb-item a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
}

.breadcrumb-item.active {
    color: white;
}

/* Form Styles */
.form-control {
    border-radius: var(--border-radius);
    border: 1px solid var(--gray-300);
    padding: 0.75rem 1rem;
    transition: var(--transition);
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(46, 139, 87, 0.25);
}

.form-label {
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 0.5rem;
}

/* Admin Styles */
.admin-sidebar {
    background: var(--gray-800);
    min-height: 100vh;
    padding: 2rem 0;
}

.admin-sidebar .nav-link {
    color: rgba(255, 255, 255, 0.8);
    padding: 0.75rem 1.5rem;
    transition: var(--transition);
}

.admin-sidebar .nav-link:hover,
.admin-sidebar .nav-link.active {
    background: var(--primary-color);
    color: white;
}

.admin-header {
    background: white;
    box-shadow: var(--box-shadow);
    padding: 1rem 0;
}

.admin-content {
    background: var(--gray-100);
    min-height: 100vh;
    padding: 2rem 0;
}

.admin-card {
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    border: none;
}

.admin-card .card-header {
    background: var(--gray-100);
    border-bottom: 1px solid var(--gray-200);
    font-weight: bold;
}

/* Table Styles */
.table {
    background: white;
}

.table th {
    background: var(--gray-100);
    font-weight: 600;
    color: var(--gray-700);
    border-top: none;
}

.table-responsive {
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

/* Alert Styles */
.alert {
    border-radius: var(--border-radius);
    border: none;
}

.alert-success {
    background-color: rgba(40, 167, 69, 0.1);
    color: #155724;
}

.alert-danger {
    background-color: rgba(220, 53, 69, 0.1);
    color: #721c24;
}

.alert-info {
    background-color: rgba(23, 162, 184, 0.1);
    color: #0c5460;
}

.alert-warning {
    background-color: rgba(255, 193, 7, 0.1);
    color: #856404;
}

/* Responsive Design - Mobile First */
@media (max-width: 1200px) {
    .hero-title {
        font-size: clamp(2rem, 4vw, 3.5rem);
    }
    
    .section-title {
        font-size: clamp(1.5rem, 3vw, 2.25rem);
    }
}

@media (max-width: 768px) {
    .hero-section {
        min-height: 600px;
    }
    
    .hero-title {
        font-size: clamp(1.75rem, 6vw, 2.5rem);
        margin-bottom: var(--space-6);
    }
    
    .hero-description {
        font-size: var(--font-size-base);
        margin-bottom: var(--space-8);
    }
    
    .hero-btn {
        padding: var(--space-3) var(--space-6);
        font-size: var(--font-size-base);
    }
    
    .page-header {
        padding: var(--space-16) 0 var(--space-12);
    }
    
    .page-title {
        font-size: clamp(1.5rem, 5vw, 2rem);
    }
    
    .feature-card,
    .product-card {
        margin-bottom: var(--space-6);
    }
    
    .product-actions {
        flex-direction: column;
    }
    
    .product-actions .btn {
        width: 100%;
        margin-bottom: var(--space-2);
    }
    
    .whatsapp-float {
        width: 56px;
        height: 56px;
        bottom: var(--space-4);
        right: var(--space-4);
    }
    
    .whatsapp-btn {
        width: 56px;
        height: 56px;
        line-height: 50px;
    }
    
    .whatsapp-btn i {
        font-size: 24px;
    }
    
    .navbar {
        padding: var(--space-2) 0;
    }
    
    .navbar.navbar-scrolled {
        padding: var(--space-2) 0;
    }
    
    .main-content {
        padding-top: 0;
    }
    
    .social-links {
        justify-content: center;
    }
    
    .footer .container {
        text-align: center;
    }
    
    .footer .list-unstyled li {
        padding-left: 0;
    }
    
    .footer .list-unstyled li::before {
        display: none;
    }
}

@media (max-width: 576px) {
    .hero-content {
        padding: 0 var(--space-4);
    }
    
    .hero-title {
        font-size: clamp(1.5rem, 8vw, 2rem);
    }
    
    .section-title {
        font-size: clamp(1.25rem, 5vw, 1.75rem);
    }
    
    .page-title {
        font-size: clamp(1.25rem, 6vw, 1.75rem);
    }
    
    .feature-card,
    .product-card {
        padding: var(--space-6);
    }
    
    .swiper-button-prev,
    .swiper-button-next {
        width: 48px;
        height: 48px;
    }
    
    .swiper-button-prev:after,
    .swiper-button-next:after {
        font-size: 16px;
    }
}

/* Advanced Animation & Effects */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.animate-fade-up {
    animation: fadeInUp 0.6s ease-out;
}

.animate-fade-left {
    animation: fadeInLeft 0.6s ease-out;
}

.animate-fade-right {
    animation: fadeInRight 0.6s ease-out;
}

.animate-scale {
    animation: scaleIn 0.4s ease-out;
}

/* Loading States */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: var(--white);
    animation: spin 1s ease-in-out infinite;
}

.loading-primary {
    border-color: rgba(0, 102, 204, 0.3);
    border-top-color: var(--primary-color);
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Modern Utility Classes */
.text-light-50 {
    color: rgba(255, 255, 255, 0.7) !important;
}

.bg-gradient-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%) !important;
}

.bg-gradient-secondary {
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--info-color) 100%) !important;
}

.shadow-custom {
    box-shadow: var(--shadow-xl) !important;
}

.shadow-soft {
    box-shadow: var(--shadow) !important;
}

.rounded-custom {
    border-radius: var(--border-radius-lg) !important;
}

.rounded-xl {
    border-radius: var(--border-radius-xl) !important;
}

.transition-custom {
    transition: var(--transition-base) !important;
}

.transition-fast {
    transition: var(--transition-fast) !important;
}

.hover-lift:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.hover-scale:hover {
    transform: scale(1.05);
}

.text-gradient {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

.border-gradient {
    border: 2px solid;
    border-image: linear-gradient(135deg, var(--primary-color), var(--secondary-color)) 1;
}

.backdrop-blur {
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

/* Professional Alert & Badge Styles */
.alert {
    border-radius: var(--border-radius);
    border: none;
    padding: var(--space-4) var(--space-6);
    font-weight: 500;
    box-shadow: var(--shadow-sm);
}

.alert-success {
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.1) 0%, rgba(34, 197, 94, 0.05) 100%);
    color: #166534;
    border-left: 4px solid var(--success-color);
}

.alert-danger {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.1) 0%, rgba(239, 68, 68, 0.05) 100%);
    color: #991b1b;
    border-left: 4px solid var(--danger-color);
}

.alert-info {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(59, 130, 246, 0.05) 100%);
    color: #1e40af;
    border-left: 4px solid var(--info-color);
}

.alert-warning {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.1) 0%, rgba(245, 158, 11, 0.05) 100%);
    color: #92400e;
    border-left: 4px solid var(--warning-color);
}

.badge {
    font-weight: 600;
    font-size: var(--font-size-xs);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--border-radius);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Modern Table Styles */
.table {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.table th {
    background: var(--bg-secondary);
    font-weight: 600;
    color: var(--text-primary);
    border-top: none;
    padding: var(--space-4) var(--space-6);
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.table td {
    padding: var(--space-4) var(--space-6);
    border-color: var(--border-color);
    color: var(--text-secondary);
}

.table-hover tbody tr:hover {
    background-color: var(--bg-secondary);
    transform: scale(1.002);
    transition: var(--transition-fast);
}

.table-responsive {
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

/* Enhanced Modal Styles */
.modal-content {
    border: none;
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-xl);
    backdrop-filter: blur(20px);
}

.modal-header {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    border-radius: var(--border-radius-xl) var(--border-radius-xl) 0 0;
    padding: var(--space-6);
}

.modal-body {
    padding: var(--space-6);
}

.modal-footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    border-radius: 0 0 var(--border-radius-xl) var(--border-radius-xl);
    padding: var(--space-6);
}

/* Professional Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 140px;
    right: var(--space-6);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    color: var(--white);
    border: none;
    box-shadow: var(--shadow-lg);
    opacity: 0.9;
    transition: var(--transition-base);
    z-index: 99;
    display: flex;
    align-items: center;
    justify-content: center;
}

.back-to-top:hover {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
    transform: translateY(-2px) scale(1.1);
    box-shadow: var(--shadow-xl);
    opacity: 1;
}

/* Focus States for Accessibility */
.btn:focus,
.form-control:focus,
.form-select:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.2);
}

/* Smooth Scrolling Enhancement */
html {
    scroll-padding-top: 100px;
}

/* Print Styles */
@media print {
    .whatsapp-float,
    .back-to-top,
    .navbar,
    .footer {
        display: none !important;
    }
    
    .main-content {
        padding-top: 0 !important;
    }
    
    .hero-section {
        height: auto !important;
        min-height: auto !important;
    }
}

/* Accessibility Improvements */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.skip-to-content {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--primary-color);
    color: var(--white);
    padding: 8px;
    text-decoration: none;
    border-radius: var(--border-radius);
    z-index: 1000;
    transition: var(--transition-fast);
}

.skip-to-content:focus {
    top: 6px;
    color: var(--white);
    text-decoration: none;
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    .hero-overlay {
        background: rgba(0, 0, 0, 0.8);
    }
    
    .feature-card,
    .product-card {
        border-width: 2px;
    }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    
    .whatsapp-float {
        animation: none;
    }
}

/* ==========================================
   MODERN FOOTER STYLES
   ========================================== */

.footer-modern {
    background: linear-gradient(135deg, var(--gray-900) 0%, var(--gray-800) 100%);
    color: var(--gray-100);
    margin-top: var(--space-20);
    position: relative;
    overflow: hidden;
}

.footer-modern::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-pattern);
    opacity: 0.03;
    z-index: 0;
}

/* Newsletter Section */
.newsletter-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    padding: var(--space-16) 0;
    position: relative;
    overflow: hidden;
}

.newsletter-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 40%;
    height: 200%;
    background: radial-gradient(ellipse, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    animation: newsletterGlow 6s ease-in-out infinite;
    z-index: 0;
}

@keyframes newsletterGlow {
    0%, 100% {
        transform: rotate(0deg) scale(1);
        opacity: 0.3;
    }
    50% {
        transform: rotate(5deg) scale(1.1);
        opacity: 0.1;
    }
}

.newsletter-section .container {
    position: relative;
    z-index: 1;
}

.newsletter-content h3 {
    font-family: var(--font-family-display);
    font-weight: var(--font-weight-bold);
    font-size: clamp(1.5rem, 4vw, 2.25rem);
    color: var(--white);
    margin-bottom: var(--space-2);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.newsletter-content p {
    color: rgba(255, 255, 255, 0.9);
    font-size: var(--font-size-lg);
    margin-bottom: 0;
}

.newsletter-form {
    opacity: 0;
    transform: translateX(20px);
    animation: slideInRight 0.8s ease forwards;
    animation-delay: 0.3s;
}

@keyframes slideInRight {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.newsletter-input {
    border: 2px solid rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: var(--white);
    padding: var(--space-3) var(--space-4);
    font-size: var(--font-size-base);
    border-radius: var(--border-radius-lg) 0 0 var(--border-radius-lg);
    transition: var(--transition-smooth);
}

.newsletter-input:focus {
    border-color: rgba(255, 255, 255, 0.5);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.1);
    color: var(--white);
}

.newsletter-input::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.btn-newsletter {
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--success-color) 100%);
    border: 2px solid var(--secondary-color);
    color: var(--white);
    padding: var(--space-3) var(--space-6);
    font-weight: var(--font-weight-semibold);
    border-radius: 0 var(--border-radius-lg) var(--border-radius-lg) 0;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.btn-newsletter::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.6s;
}

.btn-newsletter:hover::before {
    left: 100%;
}

.btn-newsletter:hover {
    background: linear-gradient(135deg, var(--success-color) 0%, var(--secondary-color) 100%);
    border-color: var(--success-color);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(16, 185, 129, 0.3);
}

.btn-newsletter.success {
    background: linear-gradient(135deg, var(--success-color) 0%, var(--success-dark) 100%);
    border-color: var(--success-color);
}

/* Footer Content */
.footer-content {
    padding: var(--space-16) 0;
    position: relative;
    z-index: 1;
}

.footer-brand {
    opacity: 0;
    transform: translateY(20px);
    transition: var(--transition-smooth);
}

.footer-brand.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.footer-logo {
    height: 50px;
    width: auto;
    filter: brightness(1.1);
}

/* Header logo sizing */
.header .navbar-brand img {
    height: 80px;
    width: auto;
    object-fit: contain;
}

/* Smaller logo on mobile */
@media (max-width: 576px) {
    .header .navbar-brand img {
        height: 60px;
    }
}

/* Icon fallback sizing in header */
.header .navbar-brand .fa-solar-panel {
    font-size: 2rem;
}

.logo-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xl);
    color: var(--white);
    box-shadow: var(--shadow-lg);
}

.brand-name {
    font-family: var(--font-family-display);
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-xl);
    color: var(--white);
    margin: 0;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.brand-description {
    color: var(--gray-300);
    font-size: var(--font-size-base);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--space-6);
}

/* Social Links */
.social-title {
    color: var(--white);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wide);
    margin-bottom: var(--space-3);
}

.social-icons {
    display: flex;
    gap: var(--space-3);
    flex-wrap: wrap;
}

.social-link {
    width: 45px;
    height: 45px;
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: var(--font-size-lg);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.social-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    opacity: 0;
    transition: var(--transition-smooth);
    z-index: -1;
}

.social-link:hover::before {
    opacity: 1;
}

.social-link:hover {
    color: var(--white);
    transform: translateY(-3px) scale(1.1);
    box-shadow: 0 8px 25px rgba(14, 165, 233, 0.4);
    border-color: var(--primary-color);
}

.social-link.facebook:hover::before {
    background: linear-gradient(135deg, #1877f2, #42a5f5);
}

.social-link.twitter:hover::before {
    background: linear-gradient(135deg, #1da1f2, #42a5f5);
}

.social-link.linkedin:hover::before {
    background: linear-gradient(135deg, #0077b5, #42a5f5);
}

.social-link.instagram:hover::before {
    background: linear-gradient(135deg, #e4405f, #f093fb);
}

.social-link.youtube:hover::before {
    background: linear-gradient(135deg, #ff0000, #ff5722);
}

/* Footer Sections */
.footer-section {
    opacity: 0;
    transform: translateY(20px);
    transition: var(--transition-smooth);
}

.footer-section.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.footer-title {
    color: var(--white);
    font-family: var(--font-family-display);
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-4);
    position: relative;
    padding-bottom: var(--space-2);
}

.footer-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--border-radius-full);
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: var(--space-3);
}

.footer-links a {
    color: var(--gray-300);
    text-decoration: none;
    font-size: var(--font-size-base);
    display: flex;
    align-items: center;
    gap: var(--space-2);
    transition: var(--transition-smooth);
    position: relative;
    padding: var(--space-1) 0;
}

.footer-links a i {
    font-size: var(--font-size-sm);
    color: var(--primary-color);
    transition: var(--transition-smooth);
}

.footer-links a:hover {
    color: var(--white);
    transform: translateX(8px);
}

.footer-links a:hover i {
    color: var(--secondary-color);
    transform: scale(1.2);
}

/* Contact Info */
.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-3);
    border-radius: var(--border-radius-lg);
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition-smooth);
}

.contact-item:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.contact-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: var(--font-size-base);
    box-shadow: var(--shadow-sm);
    flex-shrink: 0;
}

.contact-details h6 {
    color: var(--white);
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-sm);
    margin-bottom: var(--space-1);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wide);
}

.contact-details p,
.contact-details a {
    color: var(--gray-300);
    font-size: var(--font-size-sm);
    line-height: var(--line-height-relaxed);
    margin: 0;
    text-decoration: none;
    transition: var(--transition-smooth);
}

.contact-details a:hover {
    color: var(--primary-light);
}

/* Footer Bottom */
.footer-bottom {
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: var(--space-6) 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    z-index: 1;
}

.copyright p {
    color: var(--gray-400);
    font-size: var(--font-size-sm);
    margin: 0;
}

.footer-links-bottom {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    flex-wrap: wrap;
    justify-content: flex-end;
}

.footer-link-bottom {
    color: var(--gray-400);
    text-decoration: none;
    font-size: var(--font-size-sm);
    transition: var(--transition-smooth);
    position: relative;
}

.footer-link-bottom::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--primary-color);
    transition: var(--transition-smooth);
}

.footer-link-bottom:hover {
    color: var(--primary-light);
}

.footer-link-bottom:hover::after {
    width: 100%;
}

.separator {
    color: var(--gray-600);
    font-size: var(--font-size-sm);
}

/* Footer Responsive Design */
@media (max-width: 991.98px) {
    .newsletter-section {
        padding: var(--space-12) 0;
    }
    
    .newsletter-content {
        text-align: center;
        margin-bottom: var(--space-6);
    }
    
    .footer-content {
        padding: var(--space-12) 0;
    }
    
    .footer-links-bottom {
        justify-content: center;
        margin-top: var(--space-4);
    }
}

@media (max-width: 767.98px) {
    .newsletter-form .input-group {
        flex-direction: column;
    }
    
    .newsletter-input {
        border-radius: var(--border-radius-lg);
        margin-bottom: var(--space-2);
    }
    
    .btn-newsletter {
        border-radius: var(--border-radius-lg);
        width: 100%;
    }
    
    .social-icons {
        justify-content: center;
    }
    
    .footer-links-bottom {
        flex-direction: column;
        gap: var(--space-2);
    }
    
    .separator {
        display: none;
    }
}

/* ==========================================
   RESPONSIVE DESIGN ENHANCEMENTS
   ========================================== */

/* Extra small devices (portrait phones, less than 576px) */
@media (max-width: 575.98px) {
    .display-4 {
        font-size: 2rem;
    }
    
    .display-5 {
        font-size: 1.75rem;
    }
    
    .hero-section {
        min-height: 70vh;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .hero-content p {
        font-size: 1.1rem;
    }
    
    .btn-lg {
        padding: 0.75rem 1.5rem;
        font-size: 1rem;
    }
    
    .card {
        margin-bottom: 1.5rem;
    }
    
    .stats-section .stat-card {
        margin-bottom: 2rem;
    }
    
    .gallery-item {
        margin-bottom: 1.5rem;
    }
    
    .product-card {
        margin-bottom: 2rem;
    }
    
    .contact-item {
        margin-bottom: 2rem;
    }
    
    .navbar-brand {
        font-size: 1.1rem;
    }
    
    .page-header {
        padding: 6rem 0 4rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .section-subtitle {
        font-size: 1rem;
    }
}

/* Small devices (landscape phones, 576px and up) */
@media (min-width: 576px) and (max-width: 767.98px) {
    .hero-content h1 {
        font-size: 3rem;
    }
    
    .page-header {
        padding: 7rem 0 5rem;
    }
    
    .section-title {
        font-size: 2.2rem;
    }
}

/* Medium devices (tablets, 768px and up) */
@media (min-width: 768px) and (max-width: 991.98px) {
    .hero-content h1 {
        font-size: 3.5rem;
    }
    
    .page-header {
        padding: 8rem 0 6rem;
    }
    
    .navbar-nav .nav-link {
        padding: 0.5rem 1rem;
    }
    
    .product-card {
        height: 100%;
    }
    
    .gallery-item {
        margin-bottom: 2rem;
    }
}

/* Large devices (desktops, 992px and up) */
@media (min-width: 992px) {
    .hero-content h1 {
        font-size: 4rem;
    }
    
    .page-header {
        padding: 10rem 0 8rem;
    }
}

/* Fix for sticky navigation on mobile */
@media (max-width: 991.98px) {
    .navbar-collapse {
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border-radius: var(--border-radius-lg);
        margin-top: 1rem;
        padding: 1rem;
        box-shadow: var(--shadow-lg);
    }
    
    .navbar-nav .nav-link {
        color: var(--text-primary) !important;
        padding: 0.75rem 1rem;
        border-radius: var(--border-radius);
        margin-bottom: 0.25rem;
        transition: var(--transition-smooth);
    }
    
    .navbar-nav .nav-link:hover,
    .navbar-nav .nav-link.active {
        background: var(--primary-color);
        color: var(--white) !important;
        transform: translateX(8px);
    }
    
    .navbar-toggler {
        border: none;
        padding: 0.5rem;
    }
    
    .navbar-toggler:focus {
        box-shadow: none;
    }
    
    .navbar-toggler-icon {
        background-image: none;
        width: 24px;
        height: 2px;
        background: var(--primary-color);
        position: relative;
        transition: var(--transition-smooth);
    }
    
    .navbar-toggler-icon::before,
    .navbar-toggler-icon::after {
        content: '';
        position: absolute;
        width: 24px;
        height: 2px;
        background: var(--primary-color);
        transition: var(--transition-smooth);
    }
    
    .navbar-toggler-icon::before {
        top: -8px;
    }
    
    .navbar-toggler-icon::after {
        top: 8px;
    }
    
    .navbar-toggler[aria-expanded="true"] .navbar-toggler-icon {
        background: transparent;
    }
    
    .navbar-toggler[aria-expanded="true"] .navbar-toggler-icon::before {
        transform: rotate(45deg);
        top: 0;
    }
    
    .navbar-toggler[aria-expanded="true"] .navbar-toggler-icon::after {
        transform: rotate(-45deg);
        top: 0;
    }
}

/* Fix for form controls on mobile */
@media (max-width: 767.98px) {
    .form-control {
        font-size: 16px; /* Prevents zoom on iOS */
    }
    
    .contact-form .form-control {
        padding: 1rem;
        font-size: 16px;
    }
    
    .newsletter-input {
        font-size: 16px;
        padding: 1rem;
    }
}

/* Improved hover effects for touch devices */
@media (hover: none) and (pointer: coarse) {
    .card:hover,
    .btn:hover,
    .product-card:hover,
    .gallery-item:hover {
        transform: none;
    }
    
    .card:active,
    .product-card:active {
        transform: scale(0.98);
    }
}

/* FAQ Section Styles */
.faq-section {
    background: var(--bg-primary);
    .hero-video,
    .animate-on-scroll {
        display: none !important;
    }
    
    .page-header {
        padding: 2rem 0;
        background: none !important;
        color: #000 !important;
    }
    
    .card {
        border: 1px solid #ddd;
        break-inside: avoid;
    }
    
    .section-title {
        color: #000 !important;
    }
    
    a[href]:after {
        content: " (" attr(href) ")";
    }
}

/* High contrast mode improvements */
@media (prefers-contrast: high) {
    .hero-overlay {
        background: rgba(0, 0, 0, 0.9);
    }
    
    .card {
        border: 2px solid currentColor;
    }
    
    .btn {
        border-width: 2px;
    }
    
    .form-control {
        border-width: 2px;
    }
}

/* Dark mode support preparation */
@media (prefers-color-scheme: dark) {
    :root {
        --bg-primary: #1a1a1a;
        --bg-secondary: #2d2d2d;
        --text-primary: #ffffff;
        --text-secondary: #cccccc;
    }
    
    .card {
        background: var(--bg-secondary);
        color: var(--text-primary);
    }
}

/* Improved accessibility for reduced motion */
@media (prefers-reduced-motion: reduce) {
    .hero-video video {
        animation-play-state: paused;
    }
    
    .animate-on-scroll,
    .animate-fade-in,
    .animate-fade-in-delay,
    .animate-fade-in-delay-2,
    .animate-fade-in-delay-3,
    .animate-float {
        animation: none !important;
        opacity: 1 !important;
        transform: none !important;
    }
}

/* Loading states for better UX */
.loading {
    position: relative;
    pointer-events: none;
    opacity: 0.7;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--primary-color);
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 1s linear infinite;
    z-index: 1000;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Smooth scrolling for all links */
html {
    scroll-behavior: smooth;
}

/* Focus management for better accessibility */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--primary-color);
    color: var(--white);
    padding: 8px;
    text-decoration: none;
    border-radius: var(--border-radius);
    z-index: 1000;
    transition: var(--transition-fast);
}

.skip-link:focus {
    top: 6px;
    color: var(--white);
    text-decoration: none;
}

/* Improved button states */
.btn:focus {
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.25);
}

.btn:disabled {
    cursor: not-allowed;
    opacity: 0.6;
}

/* Better form validation styles */
.form-control:invalid {
    border-color: var(--danger-color);
    box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.25);
}

.form-control:valid {
    border-color: var(--success-color);
    box-shadow: 0 0 0 0.2rem rgba(40, 167, 69, 0.25);
}

/* Improved table responsiveness */
.table-responsive {
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
}

@media (max-width: 767.98px) {
    .table-responsive table {
        font-size: 0.875rem;
    }
    
    .table-responsive th,
    .table-responsive td {
        padding: 0.5rem;
    }
}

/* FAQ Section Styles */
.faq-section {
    background: var(--bg-primary);
}

.faq-section .accordion-item {
    background: var(--white);
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--border-radius-lg) !important;
    margin-bottom: var(--space-4);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-smooth);
    overflow: hidden;
}

.faq-section .accordion-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
    border-color: var(--primary-light);
}

.faq-section .accordion-button {
    font-family: var(--font-family-sans);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    background: var(--white);
    padding: var(--space-5) var(--space-6);
    transition: var(--transition-smooth);
}

.faq-section .accordion-button:not(.collapsed) {
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.05) 0%, rgba(16, 185, 129, 0.05) 100%);
    color: var(--primary-color);
}

.faq-section .accordion-button:hover {
    background: var(--bg-secondary);
    color: var(--primary-color);
}

.faq-section .accordion-button i {
    font-size: var(--font-size-xl);
    flex-shrink: 0;
}

.faq-section .accordion-body {
    padding: 0 var(--space-6) var(--space-5) var(--space-6);
    color: var(--text-secondary);
    font-size: var(--font-size-base);
    line-height: var(--line-height-relaxed);
}

@media (max-width: 768px) {
    .faq-section .accordion-button {
        font-size: var(--font-size-sm);
        padding: var(--space-4);
    }
    
    .faq-section .accordion-body {
        padding: 0 var(--space-4) var(--space-4);
        font-size: var(--font-size-sm);
    }
}