/* Premium 4K Event Registration System - Modern UI Design */

/* CSS Variables - Premium Color System */
:root {
    /* Primary Colors */
    --primary-50: #eff6ff;
    --primary-100: #dbeafe;
    --primary-200: #bfdbfe;
    --primary-300: #93c5fd;
    --primary-400: #60a5fa;
    --primary-500: #3b82f6;
    --primary-600: #2563eb;
    --primary-700: #1d4ed8;
    --primary-800: #1e40af;
    --primary-900: #1e3a8a;
    
    /* Secondary Colors */
    --secondary-50: #f8fafc;
    --secondary-100: #f1f5f9;
    --secondary-200: #e2e8f0;
    --secondary-300: #cbd5e1;
    --secondary-400: #94a3b8;
    --secondary-500: #64748b;
    --secondary-600: #475569;
    --secondary-700: #334155;
    --secondary-800: #1e293b;
    --secondary-900: #0f172a;
    
    /* Accent Colors */
    --accent-50: #fdf2f8;
    --accent-100: #fce7f3;
    --accent-200: #fbcfe8;
    --accent-300: #f9a8d4;
    --accent-400: #f472b6;
    --accent-500: #ec4899;
    --accent-600: #db2777;
    --accent-700: #be185d;
    --accent-800: #9d174d;
    --accent-900: #831843;
    
    /* Success Colors */
    --success-50: #f0fdf4;
    --success-100: #dcfce7;
    --success-200: #bbf7d0;
    --success-300: #86efac;
    --success-400: #4ade80;
    --success-500: #22c55e;
    --success-600: #16a34a;
    --success-700: #15803d;
    --success-800: #166534;
    --success-900: #14532d;
    
    /* Warning Colors */
    --warning-50: #fffbeb;
    --warning-100: #fef3c7;
    --warning-200: #fde68a;
    --warning-300: #fcd34d;
    --warning-400: #fbbf24;
    --warning-500: #f59e0b;
    --warning-600: #d97706;
    --warning-700: #b45309;
    --warning-800: #92400e;
    --warning-900: #78350f;
    
    /* Danger Colors */
    --danger-50: #fef2f2;
    --danger-100: #fee2e2;
    --danger-200: #fecaca;
    --danger-300: #fca5a5;
    --danger-400: #f87171;
    --danger-500: #ef4444;
    --danger-600: #dc2626;
    --danger-700: #b91c1c;
    --danger-800: #991b1b;
    --danger-900: #7f1d1d;
    
    /* Neutral Colors */
    --neutral-50: #fafafa;
    --neutral-100: #f5f5f5;
    --neutral-200: #e5e5e5;
    --neutral-300: #d4d4d4;
    --neutral-400: #a3a3a3;
    --neutral-500: #737373;
    --neutral-600: #525252;
    --neutral-700: #404040;
    --neutral-800: #262626;
    --neutral-900: #171717;
    
    /* Typography - Premium Fonts */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-serif: 'Playfair Display', Georgia, Cambria, 'Times New Roman', Times, serif;
    --font-mono: 'JetBrains Mono', 'SF Mono', Monaco, Inconsolata, 'Roboto Mono', 'Source Code Pro', monospace;
    
    /* Font Sizes */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
    --text-6xl: 3.75rem;
    --text-7xl: 4.5rem;
    --text-8xl: 6rem;
    --text-9xl: 8rem;
    
    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    --space-32: 8rem;
    --space-40: 10rem;
    --space-48: 12rem;
    --space-56: 14rem;
    --space-64: 16rem;
    
    /* Border Radius */
    --radius-sm: 0.125rem;
    --radius-base: 0.25rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
    --radius-2xl: 1rem;
    --radius-3xl: 1.5rem;
    --radius-4xl: 2rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-base: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
    --shadow-inner: inset 0 2px 4px 0 rgb(0 0 0 / 0.05);
    
    /* Glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
    --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
    
    /* 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;
    --z-toast: 1080;
}

/* Google Fonts Import */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Playfair+Display:wght@400;500;600;700;800;900&family=JetBrains+Mono:wght@300;400;500;600;700&display=swap');

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-sans);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--secondary-800);
    background: var(--neutral-50);
    min-height: 100vh;
}

/* Global Typography Consistency */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-serif);
    font-weight: 700;
    line-height: 1.2;
    color: var(--secondary-900);
}

h1 { 
    font-size: var(--text-5xl); 
    font-weight: 800;
}

h2 { 
    font-size: var(--text-4xl); 
    font-weight: 800;
}

h3 { 
    font-size: var(--text-3xl); 
    font-weight: 700;
}

h4 { 
    font-size: var(--text-2xl); 
    font-weight: 600;
}

h5 { 
    font-size: var(--text-xl); 
    font-weight: 600;
}

h6 { 
    font-size: var(--text-lg); 
    font-weight: 600;
}

p, span, div, section, article {
    font-family: var(--font-sans);
}

/* Premium Text Elements */
.hero-title, .section-title, .card-title, .modal-title {
    font-family: var(--font-serif);
    font-weight: 800;
}

.hero-subtitle, .section-subtitle, .card-subtitle {
    font-family: var(--font-sans);
    font-weight: 500;
}

/* Button Text Consistency */
.btn, .button, .cta-button {
    font-family: var(--font-sans);
    font-weight: 600;
    letter-spacing: 0.02em;
}

/* Form Elements */
input, textarea, select, label {
    font-family: var(--font-sans);
    font-weight: 500;
}

p {
    margin-bottom: var(--space-4);
    color: var(--secondary-700);
}

a {
    color: var(--primary-600);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--primary-700);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-3) var(--space-6);
    font-size: var(--text-base);
    font-weight: 600;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.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: left var(--transition-slow);
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-700), var(--primary-800));
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: linear-gradient(135deg, var(--secondary-600), var(--secondary-700));
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-secondary:hover {
    background: linear-gradient(135deg, var(--secondary-700), var(--secondary-800));
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-accent {
    background: linear-gradient(135deg, var(--accent-600), var(--accent-700));
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-accent:hover {
    background: linear-gradient(135deg, var(--accent-700), var(--accent-800));
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-success {
    background: linear-gradient(135deg, var(--success-600), var(--success-700));
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-success:hover {
    background: linear-gradient(135deg, var(--success-700), var(--success-800));
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-outline {
    background: transparent;
    color: var(--primary-600);
    border: 2px solid var(--primary-600);
}

.btn-outline:hover {
    background: var(--primary-600);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-ghost {
    background: transparent;
    color: var(--secondary-700);
    border: 2px solid var(--secondary-200);
}

.btn-ghost:hover {
    background: var(--secondary-100);
    color: var(--secondary-900);
    transform: translateY(-2px);
}

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

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

.btn-xl {
    padding: var(--space-6) var(--space-12);
    font-size: var(--text-xl);
}

/* Cards */
.card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-2xl);
    box-shadow: var(--glass-shadow);
    overflow: hidden;
    transition: all var(--transition-base);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-2xl);
    border-color: rgba(255, 255, 255, 0.3);
}

.card-header {
    padding: var(--space-6);
    border-bottom: 1px solid var(--glass-border);
}

.card-body {
    padding: var(--space-6);
}

.card-footer {
    padding: var(--space-6);
    border-top: 1px solid var(--glass-border);
    background: var(--glass-bg);
}

/* Forms */
.form-group {
    margin-bottom: var(--space-6);
}

.form-label {
    display: block;
    margin-bottom: var(--space-2);
    font-weight: 600;
    color: var(--secondary-900);
}

.form-input {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    border: 2px solid var(--secondary-200);
    border-radius: var(--radius-lg);
    font-size: var(--text-base);
    transition: all var(--transition-base);
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
}

.form-input:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

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

/* Navigation */
.navbar {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    padding: var(--space-4) 0;
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    transition: all var(--transition-base);
}

.navbar-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-6);
    display: flex;
    /* min-width: 300px; */
    align-items: center;
    justify-content: space-between;
    position: relative;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--text-2xl);
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-600), var(--accent-600));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    text-decoration: none;
}

.navbar-brand img {
    height: 40px;
    width: auto;
    transition: all 0.3s ease;
}



.navbar-nav {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: var(--space-8);
}

.navbar-link {
    color: var(--secondary-700);
    font-weight: 500;
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-md);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    text-decoration: none;
    font-size: var(--text-base);
}

.navbar-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-600);
    border-radius: var(--radius-full);
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.navbar-link:hover {
    color: var(--primary-600);
    transform: translateY(-2px);
}

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

.navbar-link.active {
    color: var(--primary-600);
}

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

/* Navbar CTA Button */
.navbar-cta {
    background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
    color: white;
    padding: var(--space-3) var(--space-6);
    border-radius: var(--radius-lg);
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.2);
    position: relative;
    overflow: hidden;
}

.navbar-cta::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 ease;
}

.navbar-cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(59, 130, 246, 0.4);
    background: linear-gradient(135deg, var(--primary-700), var(--primary-800));
    color: white;
}

.navbar-cta:hover::before {
    left: 100%;
}

/* Mobile Menu */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-2);
    border-radius: var(--radius-md);
    transition: all 0.3s ease;
}

.mobile-menu-toggle:hover {
    background: var(--secondary-100);
}

.mobile-menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--secondary-700);
    margin: 5px 0;
    transition: all 0.3s ease;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 300px;
    height: 100vh;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
    transition: right 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: var(--z-modal);
    overflow-y: auto;
}

.mobile-menu.active {
    right: 0;
}

.mobile-menu-header {
    padding: var(--space-6);
    border-bottom: 1px solid var(--secondary-200);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.mobile-menu-close {
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-2);
    border-radius: var(--radius-md);
    font-size: var(--text-xl);
    color: var(--secondary-700);
    transition: all 0.3s ease;
}

.mobile-menu-close:hover {
    background: var(--secondary-100);
}

.mobile-menu-nav {
    padding: var(--space-6);
}

.mobile-menu-link {
    display: block;
    color: var(--secondary-700);
    font-weight: 500;
    padding: var(--space-4) 0;
    border-bottom: 1px solid var(--secondary-100);
    text-decoration: none;
    transition: all 0.3s ease;
}

.mobile-menu-link:hover {
    color: var(--primary-600);
    padding-left: var(--space-4);
}

.mobile-menu-cta {
    margin-top: var(--space-6);
    padding: 0 var(--space-6);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.8), rgba(236, 72, 153, 0.8));
    z-index: 1;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('https://images.unsplash.com/photo-1541339907190-e3e62d5db2a4?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=2000&q=80');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: white;
    padding: var(--space-12);
    max-width: 800px;
}

.hero-title {
    font-size: clamp(var(--text-4xl), 8vw, var(--text-7xl));
    font-weight: 800;
    margin-bottom: var(--space-6);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: clamp(var(--text-lg), 3vw, var(--text-2xl));
    margin-bottom: var(--space-8);
    opacity: 0.9;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

/* Search Bar */
.search-container {
    margin-top: var(--space-8);
    margin-bottom: var(--space-12);
    position: relative;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.search-input {
    width: 100%;
    padding: var(--space-4) var(--space-6);
    padding-left: var(--space-12);
    font-size: var(--text-lg);
    border: none;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-xl);
    transition: all var(--transition-base);
}

.search-input:focus {
    outline: none;
    box-shadow: var(--shadow-2xl);
    transform: scale(1.02);
}

.search-icon {
    position: absolute;
    left: var(--space-4);
    top: 50%;
    transform: translateY(-50%);
    color: var(--secondary-500);
    font-size: var(--text-xl);
}

/* Events Section */
.events-section {
    padding: var(--space-16) var(--space-8);
    background: linear-gradient(135deg, var(--secondary-900) 0%, var(--secondary-800) 100%);
    position: relative;
    overflow: hidden;
}

.events-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="20" cy="20" r="2" fill="%233b82f6" opacity="0.1"/><circle cx="80" cy="30" r="1.5" fill="%23ec4899" opacity="0.1"/><circle cx="50" cy="70" r="1" fill="%233b82f6" opacity="0.1"/><circle cx="90" cy="40" r="2.5" fill="%233b82f6" opacity="0.1"/></svg>');
    background-size: 200px 200px;
    opacity: 0.3;
    animation: floatBackground 25s ease-in-out infinite;
}

.events-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="25" cy="25" r="2" fill="%233b82f6" opacity="0.1"/><circle cx="75" cy="75" r="2" fill="%23ec4899" opacity="0.1"/><circle cx="50" cy="10" r="1" fill="%233b82f6" opacity="0.1"/><circle cx="10" cy="50" r="1" fill="%23ec4899" opacity="0.1"/><circle cx="90" cy="30" r="1.5" fill="%233b82f6" opacity="0.1"/><circle cx="30" cy="90" r="1.5" fill="%23ec4899" opacity="0.1"/></svg>');
    background-size: 200px 200px;
    opacity: 0.3;
    animation: floatBackground 20s ease-in-out infinite;
}

@keyframes floatBackground {
    0%, 100% { transform: translate(0, 0); }
    25% { transform: translate(-10px, -10px); }
    50% { transform: translate(10px, -5px); }
    75% { transform: translate(-5px, 10px); }
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-16);
    position: relative;
    z-index: 1;
}

.section-header h2 {
    font-family: var(--font-serif);
    font-size: clamp(var(--text-3xl), 5vw, var(--text-6xl));
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-400), var(--accent-400));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-4);
    animation: fadeInUp 0.8s ease-out;
}

.section-header p {
    font-size: clamp(var(--text-lg), 2vw, var(--text-xl));
    color: var(--secondary-300);
    max-width: 600px;
    margin: 0 auto;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.events-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: var(--space-10);
    max-width: 1400px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.event-card {
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    opacity: 0;
    transform: translateY(50px);
    animation: flyInUp 0.6s forwards;
    animation-timing-function: ease;
}

.event-card:nth-child(1) { animation-delay: 0.1s; }
.event-card:nth-child(2) { animation-delay: 0.2s; }
.event-card:nth-child(3) { animation-delay: 0.3s; }
.event-card:nth-child(4) { animation-delay: 0.4s; }
.event-card:nth-child(5) { animation-delay: 0.5s; }
.event-card:nth-child(6) { animation-delay: 0.6s; }

@keyframes flyInUp {
    0% {
        opacity: 0;
        transform: translateY(60px) scale(0.95);
    }
    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.event-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.15);
    border-color: rgba(59, 130, 246, 0.2);
}

.event-card-image-container {
    position: relative;
    width: 100%;
    height: 280px;
    overflow: hidden;
    background: linear-gradient(135deg, var(--primary-100), var(--accent-100));
}

.event-card-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.event-card-image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, transparent 0%, rgba(0, 0, 0, 0.05) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.event-card:hover .event-card-image-overlay {
    opacity: 1;
}

.event-card-content {
    padding: var(--space-8);
    position: relative;
    z-index: 1;
}

.event-card-title {
    font-family: var(--font-serif);
    font-size: var(--text-2xl);
    font-weight: 700;
    margin-bottom: var(--space-4);
    color: white;
    line-height: 1.3;
    transition: color 0.2s ease;
}

.event-card:hover .event-card-title {
    color: var(--primary-300);
}

.event-card-date {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    color: var(--secondary-300);
    font-size: var(--text-sm);
    font-weight: 500;
    margin-bottom: var(--space-3);
    transition: color 0.2s ease;
}

.event-card:hover .event-card-date {
    color: var(--primary-300);
}

.event-card-date i {
    font-size: var(--text-base);
}

.event-card-seats {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: var(--success-100);
    color: var(--success-700);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: 600;
    margin-bottom: var(--space-5);
    transition: all 0.2s ease;
}

.event-card-seats.low {
    background: var(--warning-100);
    color: var(--warning-700);
}

.event-card-seats.sold-out {
    background: var(--danger-100);
    color: var(--danger-700);
}

.event-card-price {
    font-size: var(--text-3xl);
    font-weight: 800;
    color: var(--primary-600);
    margin-bottom: var(--space-6);
    font-family: var(--font-serif);
    transition: color 0.2s ease;
}

.event-card:hover .event-card-price {
    color: var(--primary-700);
}

.event-card-actions {
    display: flex;
    gap: var(--space-3);
    align-items: center;
}

.event-card .btn {
    flex: 1;
    padding: var(--space-4) var(--space-6);
    font-weight: 600;
    position: relative;
    overflow: hidden;
}

.event-card .btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
}

.event-card .btn:hover::before {
    width: 300px;
    height: 300px;
}

/* Add shimmer effect */
.event-card::after {
    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 0.8s ease;
}

.event-card:hover::after {
    left: 100%;
}

.event-card-content {
    padding: var(--space-6);
}

.event-card-title {
    font-size: var(--text-xl);
    font-weight: 700;
    margin-bottom: var(--space-3);
    color: white;
}

.event-card-date {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--secondary-600);
    font-size: var(--text-sm);
    margin-bottom: var(--space-3);
}

.event-card-seats {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: var(--success-100);
    color: var(--success-700);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: 600;
    margin-bottom: var(--space-4);
}

.event-card-seats.low {
    background: var(--warning-100);
    color: var(--warning-700);
}

.event-card-seats.sold-out {
    background: var(--danger-100);
    color: var(--danger-700);
}

.event-card-price {
    font-size: var(--text-2xl);
    font-weight: 800;
    color: var(--primary-600);
    margin-bottom: var(--space-4);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    z-index: var(--z-modal);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 1;
}

.modal-content {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-2xl);
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-2xl);
    transform: scale(0.9);
    transition: transform var(--transition-base);
}

.modal.show .modal-content {
    transform: scale(1);
}

.modal-header {
    padding: var(--space-6);
    border-bottom: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-title {
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--secondary-900);
}

.modal-close {
    background: none;
    border: none;
    font-size: var(--text-2xl);
    color: var(--secondary-500);
    cursor: pointer;
    padding: var(--space-2);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.modal-close:hover {
    background: var(--danger-100);
    color: var(--danger-600);
}

.modal-body {
    padding: var(--space-6);
}

.modal-footer {
    padding: var(--space-6);
    border-top: 1px solid var(--glass-border);
    display: flex;
    gap: var(--space-4);
    justify-content: flex-end;
}

/* Ticket Design */
.ticket-container {
    background: linear-gradient(135deg, var(--primary-600), var(--accent-600));
    border-radius: var(--radius-2xl);
    padding: var(--space-8);
    color: white;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-2xl);
    max-width: 600px;
    margin: 0 auto;
}

.ticket-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="40" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="2"/></svg>');
    background-size: 100px 100px;
    opacity: 0.3;
}

.ticket-header {
    text-align: center;
    padding-bottom: var(--space-6);
    border-bottom: 2px dashed rgba(255, 255, 255, 0.3);
    position: relative;
    z-index: 1;
}

.ticket-id {
    font-size: var(--text-sm);
    opacity: 0.8;
    margin-bottom: var(--space-2);
}

.ticket-event {
    font-size: var(--text-2xl);
    font-weight: 800;
    margin-bottom: var(--space-2);
}

.ticket-details {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
    padding: var(--space-6) 0;
    position: relative;
    z-index: 1;
}

.ticket-detail {
    background: rgba(255, 255, 255, 0.1);
    padding: var(--space-3);
    border-radius: var(--radius-md);
}

.ticket-detail strong {
    display: block;
    font-size: var(--text-sm);
    opacity: 0.8;
    margin-bottom: var(--space-1);
}

.ticket-qr {
    text-align: center;
    padding: var(--space-6);
    border-top: 2px dashed rgba(255, 255, 255, 0.3);
    position: relative;
    z-index: 1;
}

.ticket-qr-code {
    width: 120px;
    height: 120px;
    background: white;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-4);
    font-size: var(--text-xs);
    color: var(--secondary-900);
    font-family: var(--font-mono);
}

/* Dashboard */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-6);
    padding: var(--space-8);
    max-width: 1200px;
    margin: 0 auto;
}

.stat-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-2xl);
    padding: var(--space-6);
    text-align: center;
    transition: all var(--transition-base);
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.stat-number {
    font-size: var(--text-4xl);
    font-weight: 800;
    color: var(--primary-600);
    margin-bottom: var(--space-2);
}

.stat-label {
    font-size: var(--text-lg);
    color: var(--secondary-700);
    font-weight: 600;
}

.registration-list {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--space-8);
}

.registration-item {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-2xl);
    padding: var(--space-6);
    margin-bottom: var(--space-4);
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: all var(--transition-base);
}

.registration-item:hover {
    transform: translateX(4px);
    box-shadow: var(--shadow-lg);
}

.registration-info h3 {
    font-size: var(--text-xl);
    font-weight: 700;
    margin-bottom: var(--space-2);
}

.registration-info p {
    color: var(--secondary-600);
    font-size: var(--text-sm);
}

.registration-actions {
    display: flex;
    gap: var(--space-3);
}

/* Loading Spinner */
.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--secondary-200);
    border-top: 4px solid var(--primary-600);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: var(--space-4) auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Toast Notifications */
.toast {
    position: fixed;
    top: var(--space-4);
    right: var(--space-4);
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--space-4) var(--space-6);
    box-shadow: var(--shadow-xl);
    z-index: var(--z-toast);
    transform: translateX(400px);
    transition: transform var(--transition-base);
}

.toast.show {
    transform: translateX(0);
}

.toast.success {
    border-left: 4px solid var(--success-500);
}

.toast.error {
    border-left: 4px solid var(--danger-500);
}

.toast.warning {
    border-left: 4px solid var(--warning-500);
}

/* Responsive Design */
@media (max-width: 768px) {
    .navbar-container {
        justify-content: space-between;
    }
    
    .navbar-nav {
        display: none;
    }
    
    .navbar-cta {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .hero-title {
        font-size: var(--text-4xl);
    }
    
    .hero-subtitle {
        font-size: var(--text-lg);
    }
    
    .events-grid {
        grid-template-columns: 1fr;
        gap: var(--space-6);
        padding: var(--space-6);
    }
    
    .modal-content {
        width: 95%;
        margin: var(--space-4);
    }
    
    .ticket-details {
        grid-template-columns: 1fr;
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr;
        gap: var(--space-4);
        padding: var(--space-4);
    }
    
    .registration-item {
        flex-direction: column;
        gap: var(--space-4);
    }
    
    .registration-actions {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: var(--text-3xl);
    }
    
    .hero-subtitle {
        font-size: var(--text-base);
    }
    
    .btn {
        padding: var(--space-3) var(--space-4);
        font-size: var(--text-sm);
    }
    
    .event-card {
        margin: 0 var(--space-4);
    }
    
    .modal-content {
        width: 90%;
        margin: var(--space-2);
    }
    
    .ticket-container {
        margin: var(--space-4);
        padding: var(--space-4);
    }
}

/* 4K Screens (3840px and up) */
@media (min-width: 3840px) {
    html {
        font-size: 20px;
    }
    
    .navbar-container {
        max-width: 2400px;
        padding: 0 var(--space-12);
    }
    
    .events-grid {
        max-width: 2400px;
        grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
        gap: var(--space-12);
        padding: var(--space-16);
    }
    
    .dashboard-grid {
        max-width: 2400px;
        grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
        gap: var(--space-8);
        padding: var(--space-12);
    }
    
    .modal-content {
        max-width: 800px;
    }
    
    .ticket-container {
        max-width: 800px;
        padding: var(--space-12);
    }
}

/* Additional Animations */
@keyframes fadeInUp {
    0% {
        opacity: 0;
        transform: translateY(30px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

/* Statistics Section */
.stats-section {
    padding: var(--space-16) var(--space-8);
    background: linear-gradient(135deg, var(--secondary-900) 0%, var(--secondary-800) 100%);
    position: relative;
    overflow: hidden;
}

.stats-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="20" cy="20" r="2" fill="%233b82f6" opacity="0.1"/><circle cx="80" cy="30" r="1.5" fill="%23ec4899" opacity="0.1"/><circle cx="50" cy="70" r="1" fill="%233b82f6" opacity="0.1"/><circle cx="90" cy="40" r="2.5" fill="%23ec4899" opacity="0.1"/></svg>');
    background-size: 200px 200px;
    opacity: 0.3;
    animation: floatBackground 25s ease-in-out infinite;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-8);
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.stat-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-2xl);
    padding: var(--space-8);
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.1), transparent);
    transition: left 0.6s ease;
}

.stat-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(59, 130, 246, 0.15);
    border-color: rgba(59, 130, 246, 0.3);
}

.stat-card:hover::before {
    left: 100%;
}

.stat-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-4);
    color: white;
    font-size: var(--text-2xl);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.2);
}

.stat-number {
    font-size: var(--text-4xl);
    font-weight: 800;
    color: var(--primary-600);
    margin-bottom: var(--space-2);
    font-family: var(--font-serif);
}

.stat-label {
    font-size: var(--text-sm);
    color: var(--secondary-600);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Featured Events Section */
.featured-section {
    padding: var(--space-16) var(--space-8);
    background: linear-gradient(135deg, var(--secondary-900) 0%, var(--secondary-800) 100%);
}

.featured-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-10);
    max-width: 1200px;
    margin: 0 auto;
}

.featured-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
}

.featured-badge {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    background: linear-gradient(135deg, var(--accent-600), var(--accent-700));
    color: white;
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    z-index: 2;
}

.featured-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.featured-content {
    padding: var(--space-6);
}

.featured-content h3 {
    font-size: var(--text-xl);
    font-weight: 700;
    margin-bottom: var(--space-3);
    color: white;
}

.featured-content p {
    color: var(--secondary-600);
    margin-bottom: var(--space-4);
    line-height: 1.6;
}

.featured-meta {
    display: flex;
    gap: var(--space-4);
    margin-bottom: var(--space-5);
    flex-wrap: wrap;
}

.featured-meta span {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--secondary-500);
    font-size: var(--text-sm);
    font-weight: 500;
}

.featured-meta i {
    color: var(--primary-600);
}

/* Testimonials Section */
.testimonials-section {
    padding: var(--space-16) var(--space-8);
    background: linear-gradient(135deg, var(--secondary-900) 0%, var(--secondary-800) 100%);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-8);
    max-width: 1200px;
    margin: 0 auto;
}

.testimonial-card {
    background: white;
    border-radius: var(--radius-2xl);
    padding: var(--space-8);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.testimonial-content {
    margin-bottom: var(--space-6);
}

.testimonial-stars {
    display: flex;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
}

.testimonial-stars i {
    color: var(--warning-400);
    font-size: var(--text-lg);
}

.testimonial-text {
    font-size: var(--text-base);
    color: var(--secondary-700);
    line-height: 1.6;
    font-style: italic;
    margin-bottom: var(--space-6);
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.testimonial-avatar {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-full);
    object-fit: cover;
}

.testimonial-info h4 {
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--secondary-900);
    margin-bottom: var(--space-1);
}

.testimonial-info p {
    font-size: var(--text-sm);
    color: var(--secondary-500);
    font-weight: 500;
}

/* Footer */
.footer {
    background: var(--secondary-900);
    color: var(--secondary-300);
    padding: var(--space-12) 0;
    margin-top: var(--space-16);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--space-10);
}

.footer-brand {
    display: flex;
    align-items: center;
}

.footer-brand .navbar-brand {
    font-size: var(--text-xl);
}

.footer-links h4 {
    font-size: var(--text-lg);
    font-weight: 600;
    margin-bottom: var(--space-4);
    color: var(--secondary-200);
}

.footer-links ul {
    list-style: none;
    padding: 0;
}

.footer-links li {
    margin-bottom: var(--space-3);
}

.footer-links a {
    color: var(--secondary-400);
    text-decoration: none;
    transition: color 0.3s ease;
    font-size: var(--text-sm);
}

.footer-links a:hover {
    color: var(--primary-400);
}

.footer-bottom {
    border-top: 1px solid var(--secondary-800);
    padding-top: var(--space-6);
    margin-top: var(--space-8);
    text-align: center;
}

.footer-bottom p {
    color: var(--secondary-500);
    margin-bottom: var(--space-2);
    font-size: var(--text-sm);
}

.footer-bottom p:last-child {
    margin-bottom: 0;
}

.footer-bottom i {
    color: var(--accent-400);
    margin: 0 var(--space-2);
}

/* Responsive Footer */
@media (max-width: 768px) {
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }
    
    .footer-links {
        margin-bottom: var(--space-6);
    }
}

/* Print Styles */
@media print {
    .navbar,
    .btn,
    .modal,
    .toast,
    .footer {
        display: none !important;
    }
    
    .ticket-container {
        box-shadow: none !important;
        page-break-inside: avoid;
    }
    
    body {
        background: white !important;
        color: black !important;
    }
}

/* Event Page Styles */
.event-hero {
    min-height: 60vh;
    background: linear-gradient(135deg, var(--secondary-900) 0%, var(--secondary-800) 100%);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.event-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="20" cy="20" r="2" fill="%233b82f6" opacity="0.1"/><circle cx="80" cy="30" r="1.5" fill="%23ec4899" opacity="0.1"/><circle cx="50" cy="70" r="1" fill="%233b82f6" opacity="0.1"/><circle cx="90" cy="40" r="2.5" fill="%233b82f6" opacity="0.1"/></svg>');
    background-size: 200px 200px;
    opacity: 0.3;
    animation: floatBackground 25s ease-in-out infinite;
}

.event-breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--secondary-300);
    margin-bottom: var(--space-4);
}

.event-breadcrumb a {
    color: var(--secondary-300);
    text-decoration: none;
    transition: color 0.2s ease;
}

.event-breadcrumb a:hover {
    color: white;
}

.event-breadcrumb span {
    color: var(--secondary-400);
}

.event-hero-content {
    text-align: center;
    color: white;
    z-index: 1;
    position: relative;
}

.event-hero .event-title {
    font-size: var(--text-4xl);
    font-weight: 700;
    margin-bottom: var(--space-4);
    font-family: var(--font-serif);
}

.event-hero .event-description {
    font-size: var(--text-lg);
    margin-bottom: var(--space-6);
    max-width: 600px;
    line-height: 1.6;
}

.event-details-section {
    padding: var(--space-16) var(--space-8);
    background: linear-gradient(135deg, var(--secondary-900) 0%, var(--secondary-800) 100%);
    position: relative;
    overflow: hidden;
}

.event-details-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="25" cy="25" r="2" fill="%233b82f6" opacity="0.1"/><circle cx="75" cy="75" r="2" fill="%23ec4899" opacity="0.1"/><circle cx="50" cy="10" r="1" fill="%233b82f6" opacity="0.1"/><circle cx="90" cy="30" r="1.5" fill="%233b82f6" opacity="0.1"/></svg>');
    background-size: 200px 200px;
    opacity: 0.3;
    animation: floatBackground 20s ease-in-out infinite;
}

.event-main-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
    align-items: start;
}

.event-header {
    display: grid;
    grid-template-columns: 400px 1fr;
    gap: var(--space-6);
    margin-bottom: var(--space-8);
}

.event-image-container {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-lg);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.event-image {
    width: 100%;
    height: 300px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.event-image:hover {
    transform: scale(1.05);
}

.event-badge {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    background: var(--primary-500);
    color: white;
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.event-info {
    padding: var(--space-6);
}

.event-info .event-title {
    font-size: var(--text-2xl);
    font-weight: 700;
    margin-bottom: var(--space-3);
    color: white;
    font-family: var(--font-serif);
}

.event-meta {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
}

.event-date,
.event-location,
.event-price {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--secondary-300);
    font-size: var(--text-sm);
}

.event-category {
    color: var(--primary-400);
    font-size: var(--text-sm);
    margin-bottom: var(--space-3);
}

.event-organizer {
    color: var(--secondary-400);
    font-size: var(--text-sm);
}

.event-description-section,
.event-features-section,
.event-gallery-section,
.event-registration-section {
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    padding: var(--space-8);
    margin-bottom: var(--space-8);
}

.event-description-section h3,
.event-features-section h3,
.event-gallery-section h3,
.event-registration-section h3 {
    font-size: var(--text-xl);
    font-weight: 700;
    margin-bottom: var(--space-6);
    color: white;
    font-family: var(--font-serif);
}

.event-full-description {
    line-height: 1.6;
    color: var(--secondary-300);
    margin-bottom: var(--space-6);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-4);
}

.feature-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4);
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--secondary-300);
    font-size: var(--text-sm);
    transition: all 0.3s ease;
}

.feature-item:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.feature-item i {
    color: var(--primary-400);
    font-size: var(--text-lg);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--space-4);
}

.gallery-item {
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.gallery-item:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.gallery-item img {
    width: 100%;
    height: 150px;
    object-fit: cover;
}

.registration-form {
    display: grid;
    gap: var(--space-6);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-6);
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Registration Page Styles */
.registration-hero {
    min-height: 60vh;
    background: linear-gradient(135deg, var(--secondary-900) 0%, var(--secondary-800) 100%);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.registration-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="25" cy="25" r="2" fill="%233b82f6" opacity="0.1"/><circle cx="75" cy="75" r="2" fill="%23ec4899" opacity="0.1"/><circle cx="50" cy="10" r="1" fill="%233b82f6" opacity="0.1"/><circle cx="90" cy="30" r="1.5" fill="%233b82f6" opacity="0.1"/></svg>');
    background-size: 200px 200px;
    opacity: 0.3;
    animation: floatBackground 25s ease-in-out infinite;
}

.registration-breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--secondary-300);
    margin-bottom: var(--space-4);
}

.registration-breadcrumb a {
    color: var(--secondary-300);
    text-decoration: none;
    transition: color 0.2s ease;
}

.registration-breadcrumb a:hover {
    color: white;
}

.registration-breadcrumb span {
    color: var(--secondary-400);
}

.registration-hero-content {
    text-align: center;
    color: white;
    z-index: 1;
    position: relative;
}

.registration-hero .event-title {
    font-size: var(--text-4xl);
    font-weight: 700;
    margin-bottom: var(--space-4);
    font-family: var(--font-serif);
}

.registration-hero .event-description {
    font-size: var(--text-lg);
    margin-bottom: var(--space-6);
    max-width: 600px;
    line-height: 1.6;
}

.registration-section {
    padding: var(--space-16) var(--space-8);
    background: linear-gradient(135deg, var(--secondary-900) 0%, var(--secondary-800) 100%);
    position: relative;
    overflow: hidden;
}

.registration-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="25" cy="25" r="2" fill="%233b82f6" opacity="0.1"/><circle cx="75" cy="75" r="2" fill="%23ec4899" opacity="0.1"/><circle cx="50" cy="10" r="1" fill="%233b82f6" opacity="0.1"/><circle cx="90" cy="30" r="1.5" fill="%233b82f6" opacity="0.1"/></svg>');
    background-size: 200px 200px;
    opacity: 0.3;
    animation: floatBackground 20s ease-in-out infinite;
}

.registration-main-content {
    display: grid;
    grid-template-columns: 500px 1fr;
    gap: var(--space-8);
    align-items: start;
}

.registration-header {
    display: grid;
    grid-template-columns: 400px 1fr;
    gap: var(--space-6);
    margin-bottom: var(--space-8);
}

.registration-image-container {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-lg);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.registration-image {
    width: 100%;
    height: 300px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.registration-image:hover {
    transform: scale(1.05);
}

.registration-badge {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    background: var(--primary-500);
    color: white;
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.registration-info {
    padding: var(--space-6);
}

.registration-info .event-title {
    font-size: var(--text-2xl);
    font-weight: 700;
    margin-bottom: var(--space-3);
    color: white;
    font-family: var(--font-serif);
}

.registration-meta {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
}

.registration-date,
.registration-location,
.registration-price {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--secondary-300);
    font-size: var(--text-sm);
}

.registration-category {
    color: var(--primary-400);
    font-size: var(--text-sm);
    margin-bottom: var(--space-3);
}

.registration-organizer {
    color: var(--secondary-400);
    font-size: var(--text-sm);
}

.registration-form-section {
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    padding: var(--space-8);
    margin-bottom: var(--space-8);
}

.registration-form-section h2 {
    font-size: var(--text-2xl);
    font-weight: 700;
    margin-bottom: var(--space-6);
    color: white;
    font-family: var(--font-serif);
}

.registration-form {
    display: grid;
    gap: var(--space-6);
}

.form-textarea {
    width: 100%;
    padding: var(--space-4);
    border: 1px solid var(--secondary-300);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.1);
    color: var(--secondary-700);
    font-family: var(--font-sans);
    font-size: var(--text-base);
    transition: all 0.3s ease;
    resize: vertical;
    min-height: 100px;
}

.form-textarea:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* Focus Styles */
.btn:focus,
.form-input:focus,
.navbar-link:focus {
    outline: 2px solid var(--primary-500);
    outline-offset: 2px;
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    :root {
        --glass-bg: rgba(0, 0, 0, 0.3);
        --glass-border: rgba(255, 255, 255, 0.1);
        --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    }
    
    body {
        background: linear-gradient(135deg, var(--secondary-900) 0%, var(--secondary-800) 100%);
        color: var(--secondary-100);
    }
    
    .form-input {
        background: rgba(0, 0, 0, 0.5);
        color: var(--secondary-100);
        border-color: var(--secondary-600);
    }
}