/* Base Variables and Root Styles */
:root {
    /* Primary Colors */
    --primary-gradient-start: #8A2BE2; /* Vivid purple */
    --primary-gradient-end: #4169E1; /* Royal blue */
    --secondary-gradient-start: #FF8C00; /* Dark orange */
    --secondary-gradient-end: #FF4500; /* Orange red */
    
    /* Neutral Colors */
    --text-dark: #333333;
    --text-light: #FFFFFF;
    --text-medium: #666666;
    --bg-light: #F9F9F9;
    --bg-dark: #222222;
    
    /* Accent Colors */
    --accent-1: #00CED1; /* Turquoise */
    --accent-2: #FF6B6B; /* Coral */
    --accent-3: #32CD32; /* Lime green */
    
    /* UI Elements */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 16px;
    --border-radius-xl: 24px;
    
    /* Shadows */
    --shadow-sm: 0 2px 5px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 10px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.2);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 3rem;
    --space-xl: 5rem;
}

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

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

body {
    font-family: 'DM Sans', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-light);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--space-md);
    color: var(--text-dark);
}

h1 {
    font-size: 3.5rem;
    margin-bottom: var(--space-lg);
}

h2 {
    font-size: 2.5rem;
    margin-bottom: var(--space-md);
}

h3 {
    font-size: 1.75rem;
    margin-bottom: var(--space-sm);
}

h4 {
    font-size: 1.25rem;
    margin-bottom: var(--space-sm);
}

p {
    margin-bottom: var(--space-md);
    color: var(--text-medium);
}

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

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

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

/* Section Styles */
section {
    padding: var(--space-xl) 0;
    position: relative;
}

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

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(to right, var(--primary-gradient-start), var(--primary-gradient-end));
    border-radius: var(--border-radius-sm);
}

.section-description {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--space-lg);
    color: var(--text-medium);
}

/* Button Styles */
.button,
button,
input[type="submit"] {
    display: inline-block;
    padding: 12px 24px;
    background: linear-gradient(135deg, var(--primary-gradient-start), var(--primary-gradient-end));
    color: var(--text-light);
    border: none;
    border-radius: var(--border-radius-md);
    font-family: 'DM Sans', sans-serif;
    font-size: 1rem;
    font-weight: 500;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-medium);
    box-shadow: var(--shadow-sm);
    text-decoration: none;
}

.button:hover,
button:hover,
input[type="submit"]:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.button.primary {
    background: linear-gradient(135deg, var(--primary-gradient-start), var(--primary-gradient-end));
}

.button.secondary {
    background: linear-gradient(135deg, var(--secondary-gradient-start), var(--secondary-gradient-end));
}

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

.button.outline:hover {
    background: linear-gradient(135deg, var(--primary-gradient-start), var(--primary-gradient-end));
    color: var(--text-light);
}

/* Read More Links */
.read-more {
    display: inline-block;
    font-weight: 500;
    color: var(--primary-gradient-end);
    position: relative;
    padding-right: 24px;
    transition: all var(--transition-fast);
}

.read-more::after {
    content: '→';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    transition: transform var(--transition-fast);
}

.read-more:hover {
    color: var(--primary-gradient-start);
}

.read-more:hover::after {
    transform: translate(5px, -50%);
}

/* Header Styles */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    padding: var(--space-sm) 0;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo a {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
    background: linear-gradient(to right, var(--primary-gradient-start), var(--primary-gradient-end));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    transition: opacity var(--transition-fast);
}

.logo a:hover {
    opacity: 0.8;
}

.desktop-nav ul {
    display: flex;
    list-style: none;
    gap: var(--space-md);
}

.desktop-nav a {
    font-weight: 500;
    color: var(--text-dark);
    position: relative;
    transition: color var(--transition-fast);
}

.desktop-nav a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(to right, var(--primary-gradient-start), var(--primary-gradient-end));
    transition: width var(--transition-medium);
}

.desktop-nav a:hover {
    color: var(--primary-gradient-end);
}

.desktop-nav a:hover::after {
    width: 100%;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    width: 30px;
    height: 24px;
    position: relative;
    z-index: 1001;
}

.mobile-menu-toggle span {
    display: block;
    width: 100%;
    height: 3px;
    background-color: var(--text-dark);
    border-radius: var(--border-radius-sm);
    position: absolute;
    transition: all var(--transition-medium);
}

.mobile-menu-toggle span:nth-child(1) {
    top: 0;
}

.mobile-menu-toggle span:nth-child(2) {
    top: 50%;
    transform: translateY(-50%);
}

.mobile-menu-toggle span:nth-child(3) {
    bottom: 0;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg);
    top: 50%;
}

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

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg);
    bottom: 50%;
}

.mobile-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: linear-gradient(135deg, var(--primary-gradient-start), var(--primary-gradient-end));
    z-index: 999;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-medium);
    transform: translateY(-20px);
}

.mobile-nav.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.mobile-nav ul {
    list-style: none;
    text-align: center;
}

.mobile-nav li {
    margin-bottom: var(--space-md);
}

.mobile-nav a {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-light);
    transition: all var(--transition-fast);
}

.mobile-nav a:hover {
    color: rgba(255, 255, 255, 0.8);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px; /* Account for fixed header */
    position: relative;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(0,0,0,0.7), rgba(0,0,0,0.4));
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    color: var(--text-light);
}

.hero h1, .hero p {
    color: var(--text-light);
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.hero-buttons {
    display: flex;
    gap: var(--space-md);
    margin-top: var(--space-lg);
}

/* Methodology Section */
.methodology {
    background-color: var(--bg-light);
}

.methodology-content {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.methodology-text {
    flex: 1;
    min-width: 300px;
}

.methodology-image {
    flex: 1;
    min-width: 300px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.methodology-image img {
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    object-fit: cover;
}

.methodology-timeline {
    margin-top: var(--space-xl);
}

.methodology-timeline h3 {
    text-align: center;
    margin-bottom: var(--space-lg);
}

.timeline {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
    padding: var(--space-md) 0;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    background: linear-gradient(to bottom, var(--primary-gradient-start), var(--primary-gradient-end));
    border-radius: var(--border-radius-sm);
}

.timeline-item {
    position: relative;
    margin-bottom: var(--space-lg);
    width: 50%;
    padding: 0 var(--space-md);
}

.timeline-item:nth-child(odd) {
    left: 0;
}

.timeline-item:nth-child(even) {
    left: 50%;
}

.timeline-dot {
    position: absolute;
    top: 0;
    width: 20px;
    height: 20px;
    background: linear-gradient(135deg, var(--primary-gradient-start), var(--primary-gradient-end));
    border-radius: 50%;
    z-index: 2;
}

.timeline-item:nth-child(odd) .timeline-dot {
    right: -10px;
}

.timeline-item:nth-child(even) .timeline-dot {
    left: -10px;
}

.timeline-content {
    padding: var(--space-md);
    background: rgba(255, 255, 255, 0.95);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-md);
    position: relative;
}

.timeline-content h4 {
    margin-bottom: var(--space-sm);
    color: var(--primary-gradient-end);
}

/* Instructors Section */
.instructors {
    background: linear-gradient(135deg, rgba(138, 43, 226, 0.05), rgba(65, 105, 225, 0.05));
}

.instructors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--space-lg);
}

.card {
    background: white;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-medium), box-shadow var(--transition-medium);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.card-image {
    width: 100%;
    height: 400px;
    overflow: hidden;
}

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

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

.card-content {
    padding: var(--space-md);
    text-align: center;
}

.instructor-title {
    color: var(--primary-gradient-end);
    font-weight: 500;
    margin-bottom: var(--space-sm);
}

/* History Section */
.history {
    background-color: var(--bg-light);
}

.history-content {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-lg);
    align-items: center;
}

.history-image {
    flex: 1;
    min-width: 300px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.history-image img {
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    object-fit: cover;
}

.history-text {
    flex: 1;
    min-width: 300px;
}

/* External Resources Section */
.external-resources {
    background: linear-gradient(135deg, rgba(255, 140, 0, 0.05), rgba(255, 69, 0, 0.05));
    padding: var(--space-xl) 0;
}

.resources-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--space-md);
}

.resource-card {
    background: white;
    border-radius: var(--border-radius-md);
    padding: var(--space-md);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-medium), box-shadow var(--transition-medium);
}

.resource-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.resource-card h3 {
    margin-bottom: var(--space-sm);
}

.resource-card a {
    color: var(--primary-gradient-end);
    transition: color var(--transition-fast);
}

.resource-card a:hover {
    color: var(--primary-gradient-start);
}

/* Partners Section */
.partners {
    background-color: var(--bg-light);
}

.partners-carousel {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-lg);
    margin-top: var(--space-lg);
}

.partner {
    text-align: center;
    padding: var(--space-md);
    background: white;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-medium);
    display: flex;
    flex-direction: column;
    align-items: center;
    max-width: 250px;
}

.partner:hover {
    transform: translateY(-5px);
}

.partner img {
    margin-bottom: var(--space-sm);
    object-fit: contain;
    margin: 0 auto;
}

.partner h3 {
    font-size: 1.2rem;
    margin-top: var(--space-sm);
}

/* News Section */
.news {
    background: linear-gradient(135deg, rgba(138, 43, 226, 0.05), rgba(65, 105, 225, 0.05));
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--space-lg);
}

.news-card {
    background: white;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-medium);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.news-card:hover {
    transform: translateY(-10px);
}

.news-date {
    color: var(--text-medium);
    font-size: 0.9rem;
    margin-bottom: var(--space-sm);
}

/* Press Section */
.press {
    background-color: var(--bg-light);
}

.press-carousel {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--space-lg);
}

.press-item {
    background: white;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-medium);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.press-item:hover {
    transform: translateY(-5px);
}

.press-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.press-content {
    padding: var(--space-md);
    text-align: center;
}

.press-date {
    color: var(--text-medium);
    font-size: 0.9rem;
    margin-top: var(--space-sm);
}

/* Contact Section */
.contact {
    background: linear-gradient(135deg, rgba(255, 140, 0, 0.05), rgba(255, 69, 0, 0.05));
}

.contact-content {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-lg);
}

.contact-info {
    flex: 1;
    min-width: 300px;
}

.contact-info h3 {
    margin-bottom: var(--space-md);
}

.contact-info p {
    margin-bottom: var(--space-sm);
}

.contact-map {
    margin-top: var(--space-lg);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.contact-map img {
    width: 100%;
    height: 300px;
    object-fit: cover;
}

.contact-form {
    flex: 1;
    min-width: 300px;
}

.contact-form h3 {
    margin-bottom: var(--space-md);
}

.form-group {
    margin-bottom: var(--space-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--space-xs);
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: var(--border-radius-md);
    font-family: 'DM Sans', sans-serif;
    font-size: 1rem;
    transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-gradient-end);
}

/* Footer */
.footer {
    background: linear-gradient(135deg, var(--primary-gradient-start), var(--primary-gradient-end));
    color: var(--text-light);
    padding: var(--space-xl) 0 var(--space-md);
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-lg);
    margin-bottom: var(--space-lg);
}

.footer-logo {
    flex: 2;
    min-width: 250px;
}

.footer-logo h3 {
    color: var(--text-light);
    margin-bottom: var(--space-sm);
}

.footer-logo p {
    color: rgba(255, 255, 255, 0.8);
}

.footer-links,
.footer-legal,
.footer-social {
    flex: 1;
    min-width: 150px;
}

.footer h4 {
    color: var(--text-light);
    margin-bottom: var(--space-md);
    position: relative;
}

.footer h4::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: var(--text-light);
}

.footer ul {
    list-style: none;
}

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

.footer a {
    color: rgba(255, 255, 255, 0.8);
    transition: color var(--transition-fast);
}

.footer a:hover {
    color: var(--text-light);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--space-md);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 0;
}

/* Cookie Consent Popup */
.cookie-consent {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: rgba(0, 0, 0, 0.9);
    color: var(--text-light);
    padding: var(--space-md);
    z-index: 9999;
    display: none;
}

.cookie-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.cookie-content p {
    color: var(--text-light);
    margin-bottom: 0;
    flex: 1;
}

.cookie-button {
    background: linear-gradient(135deg, var(--secondary-gradient-start), var(--secondary-gradient-end));
    padding: 8px 16px;
    border: none;
    border-radius: var(--border-radius-sm);
    color: var(--text-light);
    cursor: pointer;
    transition: transform var(--transition-fast);
}

.cookie-button:hover {
    transform: translateY(-2px);
}

/* Success Page */
.success-page {
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    background: linear-gradient(135deg, rgba(138, 43, 226, 0.05), rgba(65, 105, 225, 0.05));
}

.success-content {
    background: white;
    padding: var(--space-xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    max-width: 600px;
}

.success-content h1 {
    margin-bottom: var(--space-md);
    color: var(--primary-gradient-end);
}

.success-icon {
    font-size: 4rem;
    color: var(--accent-3);
    margin-bottom: var(--space-md);
}

/* About, Privacy, Terms Pages */
.page-content {
    padding-top: 100px; /* Account for fixed header */
    min-height: calc(100vh - 200px); /* Account for footer */
}

.page-header {
    background: linear-gradient(135deg, var(--primary-gradient-start), var(--primary-gradient-end));
    padding: var(--space-xl) 0;
    margin-bottom: var(--space-xl);
    color: var(--text-light);
    text-align: center;
}

.page-header h1 {
    color: var(--text-light);
    margin-bottom: 0;
}

/* Media Queries */
@media (max-width: 992px) {
    h1 {
        font-size: 2.5rem;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    .timeline::before {
        left: 20px;
    }
    
    .timeline-item {
        width: 100%;
        padding-left: 50px;
        padding-right: 0;
    }
    
    .timeline-item:nth-child(even) {
        left: 0;
    }
    
    .timeline-item:nth-child(odd) .timeline-dot,
    .timeline-item:nth-child(even) .timeline-dot {
        left: 10px;
    }
}

@media (max-width: 768px) {
    .desktop-nav {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: var(--space-sm);
    }
    
    .hero-content {
        text-align: center;
    }
    
    .contact-content,
    .history-content,
    .methodology-content {
        flex-direction: column;
    }
    
    .cookie-content {
        flex-direction: column;
        text-align: center;
    }
    
    .methodology-image,
    .history-image {
        order: -1;
    }
}

@media (max-width: 576px) {
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.5rem;
    }
    
    section {
        padding: var(--space-lg) 0;
    }
    
    .resources-grid,
    .news-grid,
    .press-carousel {
        grid-template-columns: 1fr;
    }
}

/* Animation Classes */
.fade-in {
    animation: fadeIn var(--transition-slow);
}

.slide-up {
    animation: slideUp var(--transition-slow);
}

.slide-in-left {
    animation: slideInLeft var(--transition-slow);
}

.slide-in-right {
    animation: slideInRight var(--transition-slow);
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}