/* CSS Variables - Split-Complementary Color Scheme */
:root {
    /* Primary Colors */
    --primary-color: #FF6B35;
    --primary-light: #FF8A5C;
    --primary-dark: #E55A2E;
    
    /* Split-Complementary Colors */
    --secondary-color: #35C9FF;
    --accent-color: #35FF6B;
    --tertiary-color: #8A35FF;
    
    /* Neutral Colors */
    --dark-color: #1A1A1A;
    --light-color: #FFFFFF;
    --gray-100: #F8F9FA;
    --gray-200: #E9ECEF;
    --gray-300: #DEE2E6;
    --gray-400: #CED4DA;
    --gray-500: #6C757D;
    --gray-600: #495057;
    --gray-700: #343A40;
    --gray-800: #212529;
    
    /* Text Colors */
    --text-primary: #222222;
    --text-secondary: #333333;
    --text-muted: #6C757D;
    --text-light: #FFFFFF;
    
    /* Background Colors */
    --bg-primary: #FFFFFF;
    --bg-secondary: #F8F9FA;
    --bg-dark: #1A1A1A;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    --gradient-secondary: linear-gradient(135deg, var(--accent-color) 0%, var(--tertiary-color) 100%);
    --gradient-overlay: linear-gradient(135deg, rgba(255, 107, 53, 0.9) 0%, rgba(53, 201, 255, 0.9) 100%);
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 16px 64px rgba(0, 0, 0, 0.25);
    
    /* Typography */
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Source Sans Pro', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* Global Styles */
* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    line-height: 1.6;
    color: var(--text-primary);
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: var(--spacing-sm);
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 600;
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
}

h4 {
    font-size: clamp(1.25rem, 2.5vw, 1.5rem);
}

p {
    margin-bottom: var(--spacing-sm);
    font-size: 1.1rem;
}

/* Button Styles - Global */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 32px;
    border: none;
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    min-width: 140px;
}

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

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

.btn-primary {
    background: var(--gradient-primary);
    color: var(--text-light);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: var(--text-light);
}

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

.btn-outline-primary:hover {
    background: var(--primary-color);
    color: var(--text-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

.btn-outline-light:hover {
    background: var(--text-light);
    color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-lg {
    padding: 16px 40px;
    font-size: 1.1rem;
    min-width: 180px;
}

.btn-sm {
    padding: 8px 24px;
    font-size: 0.9rem;
    min-width: 120px;
}

/* Navigation */
.navbar {
    background: rgba(26, 26, 26, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--transition-normal);
    padding: 1rem 0;
}

.navbar-brand {
    display: flex;
    align-items: center;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--text-light) !important;
    text-decoration: none;
    transition: all var(--transition-normal);
}

.navbar-brand img {
    border-radius: 50%;
    margin-right: var(--spacing-sm);
    transition: all var(--transition-normal);
}

.navbar-brand:hover {
    transform: scale(1.05);
}

.navbar-nav .nav-link {
    color: var(--text-light) !important;
    font-weight: 500;
    margin: 0 0.5rem;
    padding: 0.5rem 1rem !important;
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
    position: relative;
}

.navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: all var(--transition-normal);
    transform: translateX(-50%);
}

.navbar-nav .nav-link:hover::after {
    width: 80%;
}

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

/* Hero Section */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background-attachment: fixed;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-overlay);
    z-index: 1;
}

.hero-section .container {
    position: relative;
    z-index: 2;
}

.hero-title {
    color: var(--text-light) !important;
    margin-bottom: var(--spacing-md);
    text-shadow: 0 4px 8px rgba(0, 0, 0, 0.5);
    animation: fadeInUp 1s ease;
}

.hero-subtitle {
    color: var(--text-light) !important;
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xl);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
    animation: fadeInUp 1s ease 0.2s both;
}

.hero-buttons {
    animation: fadeInUp 1s ease 0.4s both;
}

/* Section Styles */
.py-5 {
    padding: var(--spacing-xxl) 0;
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-md);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    width: 60px;
    height: 3px;
    background: var(--gradient-primary);
    transform: translateX(-50%);
    border-radius: var(--radius-sm);
}

.section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto var(--spacing-xl);
}

/* Card Styles */
.card {
    border: none;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    overflow: hidden;
    background: var(--bg-primary);
    display: flex;
    flex-direction: column;
    align-items: center;
    height: 100%;
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.card-image {
    width: 100%;
    height: 250px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all var(--transition-slow);
}

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

.card-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    text-align: center;
    padding: var(--spacing-lg);
}

/* Innovation Cards */
.innovation-card .animated-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

/* Team Cards */
.team-card {
    text-align: center;
    max-width: 350px;
    margin: 0 auto;
}

.team-card .card-image {
    height: 300px;
    border-radius: 50%;
    width: 250px;
    margin: var(--spacing-lg) auto var(--spacing-md);
}

.team-card .card-image img {
    border-radius: 50%;
}

/* Event Cards */
.event-card .event-date {
    display: inline-block;
    background: var(--gradient-primary);
    color: var(--text-light);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: var(--spacing-md);
}

/* Media Cards */
.media-card .media-date {
    display: inline-block;
    background: var(--secondary-color);
    color: var(--text-light);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: var(--spacing-md);
}

/* Resource Cards */
.resource-card {
    text-align: center;
    padding: var(--spacing-xl);
    background: var(--bg-primary);
    border: 1px solid var(--gray-200);
    transition: all var(--transition-normal);
}

.resource-card:hover {
    background: var(--gradient-primary);
    color: var(--text-light);
}

.resource-card:hover h5,
.resource-card:hover p {
    color: var(--text-light);
}

.resource-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
}

/* Stats Widget */
.stats-widget {
    background: var(--bg-secondary);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.stat-item {
    text-align: center;
    padding: var(--spacing-md);
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0;
}

/* Timeline */
.timeline {
    position: relative;
    padding-left: 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 1rem;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--gradient-primary);
}

.timeline-item {
    position: relative;
    margin-bottom: var(--spacing-xl);
    padding-left: var(--spacing-xl);
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -0.5rem;
    top: 0.5rem;
    width: 1rem;
    height: 1rem;
    background: var(--primary-color);
    border-radius: 50%;
    box-shadow: 0 0 0 4px var(--bg-primary);
}

.timeline-content {
    background: var(--bg-secondary);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.timeline-content:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-md);
}

/* Forms */
.form-control {
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-md);
    padding: 12px 16px;
    font-size: 1rem;
    transition: all var(--transition-normal);
    background: var(--bg-primary);
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(255, 107, 53, 0.25);
    background: var(--bg-primary);
}

.form-label {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.form-select {
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-md);
    padding: 12px 16px;
    font-size: 1rem;
    transition: all var(--transition-normal);
    background: var(--bg-primary);
}

.form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(255, 107, 53, 0.25);
}

.contact-form {
    background: var(--bg-primary);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

/* Footer */
.footer {
    background: var(--bg-dark);
    color: var(--text-light);
    padding: var(--spacing-xxl) 0 var(--spacing-lg);
}

.footer h5, .footer h6 {
    color: var(--text-light);
    margin-bottom: var(--spacing-md);
}

.footer p, .footer li {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 0.5rem;
}

.footer a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: all var(--transition-normal);
}

.footer a:hover {
    color: var(--primary-color);
    transform: translateX(5px);
}

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

.footer .list-unstyled li {
    margin-bottom: 0.5rem;
}

.social-links {
    margin-top: var(--spacing-md);
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    margin-right: var(--spacing-sm);
    transition: all var(--transition-normal);
    font-weight: 600;
    font-size: 0.9rem;
}

.social-links a:hover {
    background: var(--primary-color);
    color: var(--text-light);
    transform: translateY(-3px) scale(1.1);
}

/* Success Page */
.success-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    padding-top: 100px;
}

.success-content {
    text-align: center;
    background: var(--bg-primary);
    padding: var(--spacing-xxl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    max-width: 600px;
    margin: 0 auto;
}

.success-icon {
    font-size: 5rem;
    color: var(--accent-color);
    margin-bottom: var(--spacing-lg);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
    100% {
        transform: scale(1);
    }
}

/* Privacy and Terms Pages */
.legal-page {
    padding-top: 100px;
    min-height: calc(100vh - 100px);
}

.legal-content {
    background: var(--bg-primary);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    max-width: 800px;
    margin: 0 auto;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.8s ease;
}

/* Parallax Background */
.parallax-bg {
    background-attachment: fixed;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

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

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

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

.glass-effect {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.hover-lift {
    transition: all var(--transition-normal);
}

.hover-lift:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

/* Read More Links */
.read-more {
    display: inline-flex;
    align-items: center;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    margin-top: var(--spacing-sm);
    transition: all var(--transition-normal);
}

.read-more::after {
    content: '→';
    margin-left: 0.5rem;
    transition: all var(--transition-normal);
}

.read-more:hover {
    color: var(--primary-dark);
    transform: translateX(5px);
}

.read-more:hover::after {
    transform: translateX(5px);
}

/* Responsive Design */
@media (max-width: 768px) {
    :root {
        --spacing-xxl: 2rem;
        --spacing-xl: 1.5rem;
    }
    
    .hero-section {
        min-height: 80vh;
        padding: var(--spacing-xl) 0;
    }
    
    .hero-buttons .btn {
        display: block;
        width: 100%;
        margin-bottom: var(--spacing-sm);
    }
    
    .card-image {
        height: 200px;
    }
    
    .team-card .card-image {
        width: 200px;
        height: 200px;
    }
    
    .timeline {
        padding-left: 1rem;
    }
    
    .timeline-item {
        padding-left: var(--spacing-lg);
    }
    
    .contact-form {
        padding: var(--spacing-lg);
    }
    
    .stats-widget {
        padding: var(--spacing-lg);
    }
    
    .parallax-bg {
        background-attachment: scroll;
    }
}

@media (max-width: 576px) {
    .navbar-brand {
        font-size: 1.2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .section-subtitle {
        font-size: 1rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .success-content,
    .legal-content {
        padding: var(--spacing-lg);
        margin: var(--spacing-sm);
    }
    
    .footer {
        text-align: center;
    }
    
    .social-links {
        justify-content: center;
        display: flex;
    }
}

/* Performance Optimizations */
.card,
.btn,
.form-control,
.navbar {
    will-change: transform;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --primary-color: #FF4500;
        --text-primary: #000000;
        --text-secondary: #000000;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .parallax-bg {
        background-attachment: scroll;
    }
}

/* Print styles */
@media print {
    .navbar,
    .footer,
    .btn,
    .hero-section {
        display: none;
    }
    
    body {
        color: black;
        background: white;
    }
    
    .card {
        box-shadow: none;
        border: 1px solid #ccc;
    }
}

/* Focus styles for accessibility */
.btn:focus,
.form-control:focus,
.form-select:focus,
.nav-link:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Loading states */
.loading {
    opacity: 0.6;
    pointer-events: none;
    position: relative;
}

.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); }
}