/**
 * PSKOV State University - Main Design System
 * Modern, professional CSS with custom properties and utilities
 */

/* ========================================
   IMPORTS & FONTS
   ======================================== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Playfair+Display:wght@400;500;600;700;800&display=swap');

/* ========================================
   CSS CUSTOM PROPERTIES
   ======================================== */
:root {
    /* Colors - Modern Premium Theme */
    --color-primary: #6366F1;
    --color-primary-light: #818CF8;
    --color-primary-dark: #4F46E5;
    --color-secondary: #EC4899;
    --color-secondary-light: #F472B6;
    --color-accent: #F59E0B;
    --color-accent-light: #FBBF24;

    /* Gradient Colors - Extended Premium Collection */
    /* Primary Gradients */
    --gradient-primary: linear-gradient(135deg, #667EEA 0%, #764BA2 100%);
    --gradient-secondary: linear-gradient(135deg, #F093FB 0%, #F5576C 100%);
    --gradient-accent: linear-gradient(135deg, #4FACFE 0%, #00F2FE 100%);
    --gradient-warm: linear-gradient(135deg, #FA709A 0%, #FEE140 100%);
    --gradient-cool: linear-gradient(135deg, #30CFD0 0%, #330867 100%);
    --gradient-royal: linear-gradient(135deg, #8E2DE2 0%, #4A00E0 100%);
    --gradient-sunset: linear-gradient(135deg, #FF6B6B 0%, #FFE66D 100%);

    /* Neon Gradients */
    --gradient-neon-blue: linear-gradient(135deg, #00F5FF 0%, #0080FF 50%, #8000FF 100%);
    --gradient-neon-pink: linear-gradient(135deg, #FF10F0 0%, #FF1493 50%, #FF69B4 100%);
    --gradient-neon-green: linear-gradient(135deg, #00FF87 0%, #60EFFF 100%);
    --gradient-cyber: linear-gradient(135deg, #FF006E 0%, #8338EC 50%, #3A86FF 100%);

    /* Aurora Gradients */
    --gradient-aurora: linear-gradient(135deg, #A8EDEA 0%, #FED6E3 50%, #D4FC79 100%);
    --gradient-northern-lights: linear-gradient(135deg, #00C9FF 0%, #92FE9D 50%, #FFD700 100%);
    --gradient-twilight: linear-gradient(135deg, #2E3192 0%, #1BFFFF 50%, #FD5E53 100%);

    /* Ocean & Nature Gradients */
    --gradient-ocean: linear-gradient(135deg, #2E3192 0%, #1BFFFF 100%);
    --gradient-tropical: linear-gradient(135deg, #0BA360 0%, #3CBA92 50%, #30DD8A 100%);
    --gradient-forest: linear-gradient(135deg, #134E5E 0%, #71B280 100%);
    --gradient-sky: linear-gradient(135deg, #56CCF2 0%, #2F80ED 100%);

    /* Fire & Energy Gradients */
    --gradient-fire: linear-gradient(135deg, #FF0844 0%, #FFB199 100%);
    --gradient-lava: linear-gradient(135deg, #C33764 0%, #1D2671 100%);
    --gradient-phoenix: linear-gradient(135deg, #F83600 0%, #F9D423 100%);
    --gradient-energy: linear-gradient(135deg, #FA8BFF 0%, #2BD2FF 50%, #2BFF88 100%);

    /* Cosmic & Space Gradients */
    --gradient-cosmic: linear-gradient(135deg, #8E2DE2 0%, #4A00E0 50%, #DA22FF 100%);
    --gradient-galaxy: linear-gradient(135deg, #2E3192 0%, #1BFFFF 50%, #D4145A 100%);
    --gradient-nebula: linear-gradient(135deg, #7F00FF 0%, #E100FF 50%, #FF00E5 100%);
    --gradient-stardust: linear-gradient(135deg, #0F2027 0%, #203A43 50%, #2C5364 100%);

    /* Luxury & Premium Gradients */
    --gradient-gold: linear-gradient(135deg, #FFD700 0%, #FFA500 50%, #FF8C00 100%);
    --gradient-rose-gold: linear-gradient(135deg, #E8CBC0 0%, #636FA4 100%);
    --gradient-platinum: linear-gradient(135deg, #E6E9F0 0%, #EEF1F5 100%);
    --gradient-diamond: linear-gradient(135deg, #D4D3DD 0%, #EFEFBB 100%);

    /* Mesh Gradients (Multi-stop) */
    --gradient-mesh-1: linear-gradient(135deg, #667EEA 0%, #764BA2 25%, #F093FB 50%, #4FACFE 75%, #00F2FE 100%);
    --gradient-mesh-2: linear-gradient(135deg, #FA709A 0%, #FEE140 25%, #30CFD0 50%, #330867 75%, #8E2DE2 100%);
    --gradient-rainbow: linear-gradient(135deg, #FF0080 0%, #FF8C00 20%, #FFD700 40%, #00FF00 60%, #00CED1 80%, #8A2BE2 100%);

    /* Radial Gradients */
    --gradient-radial-primary: radial-gradient(circle at center, #667EEA 0%, #764BA2 100%);
    --gradient-radial-glow: radial-gradient(circle at center, rgba(99, 102, 241, 0.8) 0%, rgba(236, 72, 153, 0.4) 50%, transparent 100%);

    /* Neutrals */
    --color-white: #FFFFFF;
    --color-black: #0F0F23;
    --color-gray-50: #F8FAFC;
    --color-gray-100: #F1F5F9;
    --color-gray-200: #E2E8F0;
    --color-gray-300: #CBD5E1;
    --color-gray-400: #94A3B8;
    --color-gray-500: #64748B;
    --color-gray-600: #475569;
    --color-gray-700: #334155;
    --color-gray-800: #1E293B;
    --color-gray-900: #0F172A;

    /* Semantic Colors */
    --color-success: #10B981;
    --color-warning: #F59E0B;
    --color-error: #EF4444;
    --color-info: #3B82F6;

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-heading: 'Playfair Display', Georgia, serif;

    /* Font Sizes */
    --text-xs: 0.75rem;
    /* 12px */
    --text-sm: 0.875rem;
    /* 14px */
    --text-base: 1rem;
    /* 16px */
    --text-lg: 1.125rem;
    /* 18px */
    --text-xl: 1.25rem;
    /* 20px */
    --text-2xl: 1.5rem;
    /* 24px */
    --text-3xl: 1.875rem;
    /* 30px */
    --text-4xl: 2.25rem;
    /* 36px */
    --text-5xl: 3rem;
    /* 48px */
    --text-6xl: 3.75rem;
    /* 60px */
    --text-7xl: 4.5rem;
    /* 72px */

    /* Spacing */
    --space-1: 0.25rem;
    /* 4px */
    --space-2: 0.5rem;
    /* 8px */
    --space-3: 0.75rem;
    /* 12px */
    --space-4: 1rem;
    /* 16px */
    --space-5: 1.25rem;
    /* 20px */
    --space-6: 1.5rem;
    /* 24px */
    --space-8: 2rem;
    /* 32px */
    --space-10: 2.5rem;
    /* 40px */
    --space-12: 3rem;
    /* 48px */
    --space-16: 4rem;
    /* 64px */
    --space-20: 5rem;
    /* 80px */
    --space-24: 6rem;
    /* 96px */

    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);

    /* Z-index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
}

/* ========================================
   RESET & BASE STYLES
   ======================================== */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-primary);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--color-gray-800);
    background: var(--color-gray-50);
    overflow-x: hidden;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 15% 25%, rgba(102, 126, 234, 0.4) 0%, transparent 40%),
        radial-gradient(circle at 85% 75%, rgba(236, 72, 153, 0.35) 0%, transparent 40%),
        radial-gradient(circle at 50% 50%, rgba(245, 158, 11, 0.25) 0%, transparent 50%),
        radial-gradient(circle at 30% 80%, rgba(74, 0, 224, 0.3) 0%, transparent 45%),
        radial-gradient(circle at 70% 20%, rgba(0, 242, 254, 0.3) 0%, transparent 45%);
    pointer-events: none;
    z-index: 0;
    animation: floatingOrbs 25s ease-in-out infinite;
}

body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.03) 0px, transparent 1px, transparent 40px, rgba(255, 255, 255, 0.03) 41px),
        repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.03) 0px, transparent 1px, transparent 40px, rgba(255, 255, 255, 0.03) 41px);
    pointer-events: none;
    z-index: 0;
}

@keyframes gradientShift {
    0% {
        background-position: 0% 50%;
    }

    25% {
        background-position: 50% 75%;
    }

    50% {
        background-position: 100% 50%;
    }

    75% {
        background-position: 50% 25%;
    }

    100% {
        background-position: 0% 50%;
    }
}

@keyframes floatingOrbs {

    0%,
    100% {
        transform: translate(0, 0) scale(1);
        opacity: 0.8;
    }

    25% {
        transform: translate(20px, -30px) scale(1.1);
        opacity: 0.9;
    }

    50% {
        transform: translate(-15px, 20px) scale(0.95);
        opacity: 0.85;
    }

    75% {
        transform: translate(25px, 15px) scale(1.05);
        opacity: 0.9;
    }
}

/* ========================================
   TYPOGRAPHY
   ======================================== */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-gray-900);
    margin-bottom: var(--space-4);
}

h1 {
    font-size: var(--text-5xl);
}

h2 {
    font-size: var(--text-4xl);
}

h3 {
    font-size: var(--text-3xl);
}

h4 {
    font-size: var(--text-2xl);
}

h5 {
    font-size: var(--text-xl);
}

h6 {
    font-size: var(--text-lg);
}

p {
    margin-bottom: var(--space-4);
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-primary-dark);
}

/* ========================================
   LAYOUT UTILITIES
   ======================================== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.container-fluid {
    width: 100%;
    padding: 0 var(--space-6);
}

.section {
    padding: var(--space-20) 0;
}

.section-sm {
    padding: var(--space-12) 0;
}

.section-lg {
    padding: var(--space-24) 0;
}

/* Grid System */
.grid {
    display: grid;
    gap: var(--space-6);
}

.grid-cols-1 {
    grid-template-columns: repeat(1, 1fr);
}

.grid-cols-2 {
    grid-template-columns: repeat(2, 1fr);
}

.grid-cols-3 {
    grid-template-columns: repeat(3, 1fr);
}

.grid-cols-4 {
    grid-template-columns: repeat(4, 1fr);
}

/* Flexbox Utilities */
.flex {
    display: flex;
}

.flex-col {
    flex-direction: column;
}

.items-center {
    align-items: center;
}

.justify-center {
    justify-content: center;
}

.justify-between {
    justify-content: space-between;
}

.gap-4 {
    gap: var(--space-4);
}

.gap-6 {
    gap: var(--space-6);
}

.gap-8 {
    gap: var(--space-8);
}

/* ========================================
   BUTTONS
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-family: var(--font-primary);
    font-size: var(--text-base);
    font-weight: 600;
    line-height: 1.5;
    text-align: center;
    text-decoration: none;
    border: 2px solid transparent;
    border-radius: var(--radius-xl);
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
    z-index: -1;
}

.btn:hover::before {
    width: 400px;
    height: 400px;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--color-white);
    box-shadow:
        0 4px 15px 0 rgba(99, 102, 241, 0.4),
        0 0 0 1px rgba(255, 255, 255, 0.1) inset;
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow:
        0 8px 30px 0 rgba(99, 102, 241, 0.6),
        0 0 0 1px rgba(255, 255, 255, 0.2) inset;
}

.btn-secondary {
    background: var(--gradient-secondary);
    color: var(--color-white);
    box-shadow:
        0 4px 15px 0 rgba(236, 72, 153, 0.4),
        0 0 0 1px rgba(255, 255, 255, 0.1) inset;
}

.btn-secondary:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow:
        0 8px 30px 0 rgba(236, 72, 153, 0.6),
        0 0 0 1px rgba(255, 255, 255, 0.2) inset;
}

.btn-outline {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 2px solid;
    border-image: var(--gradient-primary) 1;
    color: var(--color-primary);
}

.btn-outline:hover {
    background: var(--gradient-primary);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px 0 rgba(99, 102, 241, 0.4);
}

.btn-lg {
    padding: var(--space-4) var(--space-8);
    font-size: var(--text-lg);
    border-radius: var(--radius-2xl);
}

.btn-sm {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
}

/* ========================================
   CARDS
   ======================================== */
.card {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-2xl);
    box-shadow:
        0 8px 32px 0 rgba(31, 38, 135, 0.15),
        0 0 0 1px rgba(255, 255, 255, 0.1) inset;
    overflow: hidden;
    transition: all var(--transition-base);
    position: relative;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.card:hover::before {
    opacity: 1;
}

.card:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow:
        0 20px 60px 0 rgba(31, 38, 135, 0.25),
        0 0 0 1px rgba(255, 255, 255, 0.2) inset;
    border-color: rgba(255, 255, 255, 0.5);
}

.card-img {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.card-body {
    padding: var(--space-6);
    position: relative;
    z-index: 1;
}

.card-title {
    font-size: var(--text-2xl);
    margin-bottom: var(--space-3);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.card-text {
    color: var(--color-gray-700);
    margin-bottom: var(--space-4);
}

/* Enhanced Glassmorphism Card */
.card-glass {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(30px) saturate(200%);
    -webkit-backdrop-filter: blur(30px) saturate(200%);
    border: 1px solid rgba(255, 255, 255, 0.25);
    box-shadow:
        0 8px 32px 0 rgba(31, 38, 135, 0.37),
        0 0 0 1px rgba(255, 255, 255, 0.1) inset;
}

/* ========================================
   FORMS
   ======================================== */
.form-group {
    margin-bottom: var(--space-5);
}

.form-label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--space-2);
    color: var(--color-gray-800);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.form-control {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-family: var(--font-primary);
    font-size: var(--text-base);
    line-height: 1.5;
    color: var(--color-gray-800);
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(99, 102, 241, 0.2);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    box-shadow: 0 2px 8px 0 rgba(31, 38, 135, 0.05);
}

.form-control:focus {
    outline: none;
    background: rgba(255, 255, 255, 0.95);
    border-color: var(--color-primary);
    box-shadow:
        0 0 0 4px rgba(99, 102, 241, 0.15),
        0 4px 12px 0 rgba(99, 102, 241, 0.2);
    transform: translateY(-2px);
}

textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

/* ========================================
   NAVIGATION
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow:
        0 8px 32px 0 rgba(31, 38, 135, 0.1),
        0 0 0 1px rgba(255, 255, 255, 0.1) inset;
    z-index: var(--z-fixed);
    transition: all var(--transition-base);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(30px) saturate(200%);
    -webkit-backdrop-filter: blur(30px) saturate(200%);
    box-shadow:
        0 10px 40px 0 rgba(31, 38, 135, 0.15),
        0 0 0 1px rgba(255, 255, 255, 0.15) inset;
}

.navbar-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) var(--space-6);
    max-width: 1400px;
    margin: 0 auto;
}

.navbar-brand {
    font-family: var(--font-heading);
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--color-primary);
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.navbar-menu {
    display: flex;
    list-style: none;
    gap: var(--space-8);
}

.navbar-link {
    font-weight: 500;
    color: var(--color-gray-700);
    padding: var(--space-2) 0;
    position: relative;
    transition: color var(--transition-fast);
}

.navbar-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: width var(--transition-base);
}

.navbar-link:hover,
.navbar-link.active {
    color: var(--color-primary);
}

.navbar-link:hover::after,
.navbar-link.active::after {
    width: 100%;
}

.navbar-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-2);
}

.navbar-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--color-primary);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
}

/* ========================================
   HERO SECTION
   ======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: var(--gradient-royal);
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 10% 20%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 90% 80%, rgba(255, 255, 255, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(99, 102, 241, 0.1) 0%, transparent 50%);
    opacity: 0.8;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--color-white);
    max-width: 900px;
    padding: var(--space-6);
}

.hero-title {
    font-size: var(--text-6xl);
    font-weight: 800;
    color: var(--color-white);
    margin-bottom: var(--space-6);
    line-height: 1.1;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    animation: fadeInUp 1s ease-out;
}

.hero-subtitle {
    font-size: var(--text-2xl);
    font-weight: 300;
    margin-bottom: var(--space-8);
    opacity: 0.95;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    animation: fadeInUp 1s ease-out 0.2s backwards;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========================================
   SECTIONS
   ======================================== */
.section-header {
    text-align: center;
    margin-bottom: var(--space-12);
}

.section-title {
    font-size: var(--text-4xl);
    margin-bottom: var(--space-4);
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    border-radius: var(--radius-full);
}

.section-subtitle {
    font-size: var(--text-lg);
    color: var(--color-gray-600);
    max-width: 600px;
    margin: 0 auto;
}

/* ========================================
   STATS SECTION
   ======================================== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-8);
}

.stat-card {
    text-align: center;
    padding: var(--space-8);
    background: linear-gradient(135deg, rgba(139, 0, 0, 0.05) 0%, rgba(255, 215, 0, 0.05) 100%);
    border-radius: var(--radius-xl);
    transition: transform var(--transition-base);
}

.stat-card:hover {
    transform: scale(1.05);
}

.stat-number {
    font-family: var(--font-heading);
    font-size: var(--text-5xl);
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: var(--space-2);
}

.stat-label {
    font-size: var(--text-lg);
    color: var(--color-gray-600);
    font-weight: 500;
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
    background: linear-gradient(135deg, var(--color-gray-900) 0%, var(--color-black) 100%);
    color: var(--color-gray-300);
    padding: var(--space-16) 0 var(--space-8);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-8);
    margin-bottom: var(--space-12);
}

.footer-title {
    color: var(--color-white);
    font-size: var(--text-xl);
    margin-bottom: var(--space-4);
}

.footer-link {
    color: var(--color-gray-400);
    display: block;
    margin-bottom: var(--space-2);
    transition: color var(--transition-fast);
}

.footer-link:hover {
    color: var(--color-secondary);
}

.footer-bottom {
    border-top: 1px solid var(--color-gray-800);
    padding-top: var(--space-6);
    text-align: center;
    color: var(--color-gray-500);
}

/* ========================================
   UTILITY CLASSES
   ======================================== */
.text-center {
    text-align: center;
}

.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}

.text-primary {
    color: var(--color-primary);
}

.text-secondary {
    color: var(--color-secondary);
}

.text-white {
    color: var(--color-white);
}

.bg-primary {
    background-color: var(--color-primary);
}

.bg-secondary {
    background-color: var(--color-secondary);
}

.bg-gray-50 {
    background-color: var(--color-gray-50);
}

.bg-gray-100 {
    background-color: var(--color-gray-100);
}

.mt-4 {
    margin-top: var(--space-4);
}

.mb-4 {
    margin-bottom: var(--space-4);
}

.mt-8 {
    margin-top: var(--space-8);
}

.mb-8 {
    margin-bottom: var(--space-8);
}

.pt-8 {
    padding-top: var(--space-8);
}

.pb-8 {
    padding-bottom: var(--space-8);
}

.rounded {
    border-radius: var(--radius-md);
}

.rounded-lg {
    border-radius: var(--radius-lg);
}

.rounded-xl {
    border-radius: var(--radius-xl);
}

.rounded-full {
    border-radius: var(--radius-full);
}

.shadow {
    box-shadow: var(--shadow-md);
}

.shadow-lg {
    box-shadow: var(--shadow-lg);
}

.shadow-xl {
    box-shadow: var(--shadow-xl);
}

/* Hover Effects */
.hover-lift {
    transition: all var(--transition-base);
}

.hover-lift:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px 0 rgba(31, 38, 135, 0.2);
}

/* ========================================
   GRADIENT UTILITIES
   ======================================== */

/* Background Gradients */
.bg-gradient-primary {
    background: var(--gradient-primary);
}

.bg-gradient-secondary {
    background: var(--gradient-secondary);
}

.bg-gradient-accent {
    background: var(--gradient-accent);
}

.bg-gradient-warm {
    background: var(--gradient-warm);
}

.bg-gradient-cool {
    background: var(--gradient-cool);
}

.bg-gradient-royal {
    background: var(--gradient-royal);
}

.bg-gradient-sunset {
    background: var(--gradient-sunset);
}

/* Neon Gradients */
.bg-gradient-neon-blue {
    background: var(--gradient-neon-blue);
}

.bg-gradient-neon-pink {
    background: var(--gradient-neon-pink);
}

.bg-gradient-neon-green {
    background: var(--gradient-neon-green);
}

.bg-gradient-cyber {
    background: var(--gradient-cyber);
}

/* Aurora Gradients */
.bg-gradient-aurora {
    background: var(--gradient-aurora);
}

.bg-gradient-northern-lights {
    background: var(--gradient-northern-lights);
}

.bg-gradient-twilight {
    background: var(--gradient-twilight);
}

/* Nature Gradients */
.bg-gradient-ocean {
    background: var(--gradient-ocean);
}

.bg-gradient-tropical {
    background: var(--gradient-tropical);
}

.bg-gradient-forest {
    background: var(--gradient-forest);
}

.bg-gradient-sky {
    background: var(--gradient-sky);
}

/* Fire Gradients */
.bg-gradient-fire {
    background: var(--gradient-fire);
}

.bg-gradient-lava {
    background: var(--gradient-lava);
}

.bg-gradient-phoenix {
    background: var(--gradient-phoenix);
}

.bg-gradient-energy {
    background: var(--gradient-energy);
}

/* Cosmic Gradients */
.bg-gradient-cosmic {
    background: var(--gradient-cosmic);
}

.bg-gradient-galaxy {
    background: var(--gradient-galaxy);
}

.bg-gradient-nebula {
    background: var(--gradient-nebula);
}

.bg-gradient-stardust {
    background: var(--gradient-stardust);
}

/* Luxury Gradients */
.bg-gradient-gold {
    background: var(--gradient-gold);
}

.bg-gradient-rose-gold {
    background: var(--gradient-rose-gold);
}

.bg-gradient-platinum {
    background: var(--gradient-platinum);
}

.bg-gradient-diamond {
    background: var(--gradient-diamond);
}

/* Mesh Gradients */
.bg-gradient-mesh-1 {
    background: var(--gradient-mesh-1);
}

.bg-gradient-mesh-2 {
    background: var(--gradient-mesh-2);
}

.bg-gradient-rainbow {
    background: var(--gradient-rainbow);
}

/* Animated Gradients */
.bg-gradient-animated {
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
}

.bg-gradient-animated-fast {
    background-size: 400% 400%;
    animation: gradientShift 8s ease infinite;
}

.bg-gradient-animated-slow {
    background-size: 400% 400%;
    animation: gradientShift 25s ease infinite;
}

/* Gradient Text */
.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-gradient-neon {
    background: var(--gradient-neon-blue);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-gradient-fire {
    background: var(--gradient-fire);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-gradient-cosmic {
    background: var(--gradient-cosmic);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-gradient-gold {
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Gradient Borders */
.border-gradient {
    border: 2px solid transparent;
    background-image: var(--gradient-primary), linear-gradient(white, white);
    background-origin: border-box;
    background-clip: padding-box, border-box;
}

.border-gradient-neon {
    border: 2px solid transparent;
    background-image: var(--gradient-neon-blue), linear-gradient(white, white);
    background-origin: border-box;
    background-clip: padding-box, border-box;
}

/* ========================================
   SPECIAL EFFECTS
   ======================================== */

/* Glassmorphism Variants */
.glass-light {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(15px) saturate(150%);
    -webkit-backdrop-filter: blur(15px) saturate(150%);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.glass-medium {
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.25);
}

.glass-dark {
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(25px) saturate(200%);
    -webkit-backdrop-filter: blur(25px) saturate(200%);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.glass-colorful {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.3), rgba(236, 72, 153, 0.3));
    backdrop-filter: blur(30px) saturate(200%);
    -webkit-backdrop-filter: blur(30px) saturate(200%);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

/* Glow Effects */
.glow-primary {
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.5), 0 0 40px rgba(99, 102, 241, 0.3);
}

.glow-secondary {
    box-shadow: 0 0 20px rgba(236, 72, 153, 0.5), 0 0 40px rgba(236, 72, 153, 0.3);
}

.glow-neon {
    box-shadow: 0 0 30px rgba(0, 245, 255, 0.6), 0 0 60px rgba(128, 0, 255, 0.4);
}

.glow-gold {
    box-shadow: 0 0 25px rgba(255, 215, 0, 0.6), 0 0 50px rgba(255, 165, 0, 0.4);
}

/* Shimmer Effect */
.shimmer {
    position: relative;
    overflow: hidden;
}

.shimmer::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    0% {
        left: -100%;
    }

    100% {
        left: 100%;
    }
}

/* Pulse Effect */
.pulse {
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {

    0%,
    100% {
        transform: scale(1);
        opacity: 1;
    }

    50% {
        transform: scale(1.05);
        opacity: 0.9;
    }
}

/* Float Effect */
.float {
    animation: float 6s ease-in-out infinite;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-20px);
    }
}

/* Rotate Effect */
.rotate-slow {
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}