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

:root {
    --primary-color: #2563EB;
    --primary-dark: #1E40AF;
    --secondary-color: #0891B2;
    --accent-color: #059669;
    --dark-bg: #1F2937;
    --light-bg: #F9FAFB;
    --text-dark: #111827;
    --text-light: #6B7280;
    --white: #FFFFFF;
    --gradient: linear-gradient(135deg, #2563EB 0%, #0891B2 100%);
    --section-padding: 80px 20px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 1rem;
    text-decoration: none;
    transition: transform 0.3s ease;
}

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

.nav-brand span {
    font-size: 1.5rem;
    font-weight: 800;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-logo {
    height: 50px;
    width: auto;
    transition: transform 0.3s ease;
}

.nav-brand:hover .nav-logo {
    transform: rotate(-5deg) scale(1.1);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient);
    transition: width 0.3s ease;
}

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

.nav-menu a:hover {
    color: var(--primary-color);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    transition: all 0.3s ease;
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient);
    color: var(--white);
    text-align: center;
    overflow: hidden;
    margin-top: 70px;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="40" height="40" patternUnits="userSpaceOnUse"><path d="M 40 0 L 0 0 0 40" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 1;
    animation: fadeInUp 1s ease;
}

.hero-logo {
    width: 200px;
    height: auto;
    margin-bottom: 2rem;
    filter: drop-shadow(0 10px 30px rgba(0, 0, 0, 0.3));
    animation: float 3s ease-in-out infinite;
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 1rem;
    letter-spacing: -2px;
    text-shadow: 2px 2px 20px rgba(0, 0, 0, 0.2);
}

.hero-subtitle {
    font-size: 1.75rem;
    margin-bottom: 1rem;
    font-weight: 300;
}

.hero-date {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
    border: 2px solid transparent;
}

.btn-primary {
    background: var(--white);
    color: var(--primary-color);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(37, 99, 235, 0.1);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

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

.btn-primary:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 15px 40px rgba(37, 99, 235, 0.4);
}

.btn-primary.pulse {
    animation: pulse 2s infinite;
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border-color: var(--white);
}

.btn-secondary:hover {
    background: var(--white);
    color: var(--primary-color);
    transform: translateY(-3px);
}

.deadline-notice {
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    padding: 1rem 2rem;
    border-radius: 50px;
    display: inline-block;
    font-size: 1.1rem;
}

.registration-closed {
    background: linear-gradient(135deg, rgba(5, 150, 105, 0.9), rgba(8, 145, 178, 0.9));
    backdrop-filter: blur(10px);
    padding: 1rem 2rem;
    border-radius: 50px;
    display: inline-block;
    font-size: 1.1rem;
    color: var(--white);
    box-shadow: 0 5px 20px rgba(5, 150, 105, 0.3);
}

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

.section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 50%, rgba(37, 99, 235, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(8, 145, 178, 0.03) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

.section > .container {
    position: relative;
    z-index: 1;
}

.section-alt {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
}

.section-alt::before {
    background:
        url('data:image/svg+xml,<svg width="60" height="60" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="dots" x="0" y="0" width="60" height="60" patternUnits="userSpaceOnUse"><circle cx="2" cy="2" r="1" fill="rgba(37,99,235,0.08)"/></pattern></defs><rect width="60" height="60" fill="url(%23dots)"/></svg>'),
        radial-gradient(circle at 30% 20%, rgba(8, 145, 178, 0.05) 0%, transparent 60%);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 3rem;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* About Section */
.about-content .lead {
    font-size: 1.25rem;
    line-height: 1.8;
    color: var(--text-light);
    text-align: center;
    max-width: 900px;
    margin: 0 auto 3rem;
}

.objectives h3 {
    font-size: 2rem;
    margin-bottom: 2rem;
    text-align: center;
}

.objective-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.objective-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 20px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.objective-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.objective-card:hover::before {
    transform: scaleX(1);
}

.objective-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 15px 40px rgba(37, 99, 235, 0.2);
}

.objective-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    transition: transform 0.3s ease;
    display: inline-block;
}

.objective-card:hover .objective-icon {
    transform: scale(1.2) rotate(5deg);
}

.objective-card h4 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

/* Stats Section */
.stats-section {
    margin: 3rem 0;
    text-align: center;
}

.stats-section h3 {
    color: var(--primary-color);
    margin-bottom: 2rem;
    font-size: 1.8rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1.5rem;
    max-width: 550px;
    margin: 0 auto 2rem;
}

.stat-card {
    background: var(--gradient);
    color: var(--white);
    padding: 1.5rem 1rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(37, 99, 235, 0.2);
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(37, 99, 235, 0.3);
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.95rem;
    font-weight: 600;
    opacity: 0.95;
}

.universities-list {
    background: var(--white);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    max-width: 700px;
    margin: 0 auto;
    text-align: left;
}

.universities-list p {
    margin-bottom: 1rem;
    color: var(--primary-color);
    font-size: 1.1rem;
}

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

.universities-list li {
    padding: 0.75rem 0;
    padding-left: 2rem;
    position: relative;
    color: var(--text-dark);
    border-bottom: 1px solid rgba(37, 99, 235, 0.1);
}

.universities-list li:last-child {
    border-bottom: none;
}

.universities-list li::before {
    content: '🎓';
    position: absolute;
    left: 0;
    font-size: 1.2rem;
}

/* Timeline */
.timeline {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    padding-left: 35px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 10px;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--gradient);
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -37px;
    top: 0;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary-color);
    border: 4px solid var(--white);
    box-shadow: 0 0 0 4px var(--light-bg);
}

.timeline-item.highlight::before {
    width: 25px;
    height: 25px;
    left: -39px;
    background: var(--secondary-color);
}

.timeline-date {
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
    padding-left: 30px;
}

.timeline-content {
    background: var(--white);
    padding: 1.5rem;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
}

.timeline-content h3 {
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.timeline-content p {
    color: var(--text-light);
}

.timeline-item.completed {
    opacity: 0.7;
}

.timeline-item.completed::before {
    background: var(--accent-color);
}

.meet-info {
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.05), rgba(8, 145, 178, 0.05));
    padding: 1rem;
    border-radius: 10px;
    margin-top: 1rem;
    border-left: 3px solid var(--primary-color);
}

.meet-info p {
    margin-bottom: 0.75rem;
    color: var(--primary-color);
    font-weight: 600;
}

/* Info Grid */
.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.info-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 20px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    border-left: 4px solid var(--primary-color);
    transition: all 0.3s ease;
    cursor: pointer;
}

.info-card:hover {
    transform: translateX(10px);
    box-shadow: 0 10px 30px rgba(37, 99, 235, 0.15);
    border-left-width: 8px;
}

.info-card h3 {
    margin-bottom: 1rem;
    color: var(--text-dark);
    font-size: 1.3rem;
}

.info-card a {
    color: var(--primary-color);
    font-weight: 600;
    text-decoration: none;
}

.info-card a:hover {
    text-decoration: underline;
}

/* Categories Section */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.category-detail-card {
    background: var(--white);
    border-radius: 20px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    transition: all 0.3s ease;
}

.category-detail-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(37, 99, 235, 0.15);
}

.category-header {
    background: linear-gradient(135deg, #2563EB 0%, #0891B2 100%);
    padding: 1.5rem;
    text-align: center;
}

.category-header.advanced {
    background: linear-gradient(135deg, #059669 0%, #0891B2 100%);
}

.category-header h3 {
    color: var(--white);
    font-size: 1.5rem;
    margin: 0;
}

.category-body {
    padding: 2rem;
}

.category-intro {
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.category-list {
    list-style: none;
    padding: 0;
}

.category-list li {
    padding: 0.75rem 0;
    padding-left: 2rem;
    position: relative;
    color: var(--text-dark);
    line-height: 1.6;
    border-bottom: 1px solid rgba(37, 99, 235, 0.1);
}

.category-list li:last-child {
    border-bottom: none;
}

.category-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: 800;
    font-size: 1.2rem;
}

.category-disclaimer {
    background: linear-gradient(135deg, rgba(255, 193, 7, 0.1), rgba(255, 152, 0, 0.1));
    padding: 1.5rem 2rem;
    border-radius: 15px;
    border-left: 4px solid #FF9800;
    margin-top: 2rem;
}

.category-disclaimer p {
    color: var(--text-dark);
    line-height: 1.6;
    margin: 0;
}

.category-disclaimer strong {
    color: #E65100;
}

/* Resources Section */
.resources-requirement {
    background: linear-gradient(135deg, rgba(255, 193, 7, 0.1), rgba(255, 152, 0, 0.1));
    padding: 2rem;
    border-radius: 15px;
    border-left: 4px solid #FF9800;
    margin-bottom: 3rem;
}

.resources-requirement h3 {
    color: #E65100;
    margin-bottom: 1rem;
    font-size: 1.6rem;
}

.resources-requirement h4 {
    color: #E65100;
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
    font-size: 1.2rem;
}

.resources-requirement p {
    color: var(--text-dark);
    line-height: 1.8;
    margin-bottom: 1rem;
}

.dnf-tooltip {
    position: relative;
    display: inline-block;
    cursor: help;
    border-bottom: 2px dotted var(--primary-color);
    color: var(--primary-color);
}

.dnf-tooltip:hover {
    color: var(--secondary-color);
}

.tooltip-content {
    visibility: hidden;
    opacity: 0;
    position: absolute;
    bottom: 125%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--white);
    color: var(--text-dark);
    padding: 1.5rem;
    border-radius: 10px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    width: 450px;
    max-width: 90vw;
    z-index: 1000;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    line-height: 1.6;
    font-size: 0.95rem;
    text-align: left;
    border: 2px solid var(--primary-color);
}

.tooltip-content::after {
    content: "";
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 10px solid transparent;
    border-top-color: var(--primary-color);
}

.dnf-tooltip:hover .tooltip-content {
    visibility: visible;
    opacity: 1;
}

.dnf-info, .social-focus, .how-to-comply {
    background: rgba(255, 255, 255, 0.6);
    padding: 1.5rem;
    border-radius: 10px;
    margin-top: 1.5rem;
}

.esg-list, .requirement-list {
    list-style: none;
    padding: 0;
    margin: 1rem 0;
}

.esg-list li, .requirement-list li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    color: var(--text-dark);
    line-height: 1.6;
}

.requirement-list li {
    font-weight: 600;
}

.compliance-options {
    list-style: none;
    counter-reset: compliance-counter;
    padding: 0;
    margin: 1rem 0;
}

.compliance-options li {
    counter-increment: compliance-counter;
    padding: 1rem;
    padding-left: 3rem;
    position: relative;
    margin-bottom: 1rem;
    background: rgba(37, 99, 235, 0.05);
    border-radius: 8px;
    line-height: 1.6;
}

.compliance-options li::before {
    content: counter(compliance-counter);
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    background: var(--primary-color);
    color: var(--white);
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.1rem;
}

.requirement-note {
    font-style: italic;
    color: var(--text-light);
    margin-top: 1.5rem;
}

.inline-link {
    color: var(--primary-color);
    text-decoration: underline;
    font-weight: 700;
    transition: all 0.3s ease;
}

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

.resources-subtitle {
    color: var(--primary-color);
    font-size: 1.8rem;
    margin: 3rem 0 1rem 0;
    text-align: center;
}

.resources-description {
    text-align: center;
    color: var(--text-light);
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

.resources-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto 3rem;
}

.resource-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border-left: 4px solid var(--primary-color);
}

.resource-card.primary {
    border-left: 4px solid var(--secondary-color);
    background: linear-gradient(135deg, rgba(8, 145, 178, 0.02), rgba(5, 150, 105, 0.02));
}

.resource-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(37, 99, 235, 0.15);
}

.resource-card h4 {
    color: var(--text-dark);
    font-size: 1.2rem;
    margin-bottom: 1rem;
    line-height: 1.4;
}

.resource-card p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.resource-link {
    display: inline-block;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    background: rgba(37, 99, 235, 0.05);
}

.resource-link:hover {
    background: rgba(37, 99, 235, 0.1);
    transform: translateX(5px);
}

.resources-freedom {
    background: linear-gradient(135deg, rgba(5, 150, 105, 0.05), rgba(8, 145, 178, 0.05));
    padding: 2rem;
    border-radius: 15px;
    border-left: 4px solid var(--accent-color);
    margin-top: 3rem;
}

.resources-freedom h3 {
    color: var(--accent-color);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.resources-freedom p {
    color: var(--text-dark);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.freedom-topics {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.topic-tag {
    background: var(--white);
    color: var(--primary-color);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.95rem;
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.topic-tag:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
}

/* Output Section */
.output-content p {
    text-align: center;
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.email-notice {
    text-align: center;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(8, 145, 178, 0.1));
    padding: 1.5rem 2rem;
    border-radius: 15px;
    margin-bottom: 3rem;
    border: 2px solid rgba(37, 99, 235, 0.2);
    font-size: 1.1rem;
}

.email-notice strong {
    font-size: 1.5rem;
    margin-right: 0.5rem;
}

.email-notice a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    padding: 0.25rem 0.5rem;
    border-radius: 5px;
}

.email-notice a:hover {
    background: rgba(37, 99, 235, 0.1);
    text-decoration: underline;
}

.info-box {
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.08), rgba(8, 145, 178, 0.08));
    padding: 1.5rem;
    border-radius: 12px;
    border-left: 4px solid var(--primary-color);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.info-box h4 {
    color: var(--primary-color);
    margin-bottom: 0.75rem;
    font-size: 1.1rem;
}

.info-box p {
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

.info-box a {
    display: inline-block;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    padding: 0.25rem 0.5rem;
    border-radius: 5px;
}

.info-box a:hover {
    background: rgba(37, 99, 235, 0.15);
    text-decoration: underline;
}

.output-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.output-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 20px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.output-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.output-card:hover::after {
    transform: scaleX(1);
}

.output-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(37, 99, 235, 0.15);
}

.output-card h4 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
    transition: transform 0.3s ease;
}

.output-card:hover h4 {
    transform: scale(1.05);
}

.examples {
    background: var(--white);
    padding: 2rem;
    border-radius: 20px;
    max-width: 900px;
    margin: 0 auto;
}

.examples h3 {
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.examples ul {
    list-style: none;
    padding-left: 0;
}

.examples li {
    padding: 0.75rem 0;
    padding-left: 2rem;
    position: relative;
    color: var(--text-light);
}

.examples li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
    font-size: 1.2rem;
}

/* Prizes Section */
.prize-table-wrapper {
    max-width: 600px;
    margin: 0 auto 3rem;
}

.prize-table {
    background: var(--white);
    padding: 2rem;
    border-radius: 20px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.prize-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    background: var(--light-bg);
    border-radius: 15px;
    transition: all 0.3s ease;
}

.prize-row:hover {
    transform: translateX(5px);
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.1), rgba(236, 72, 153, 0.1));
}

.prize-row.highlight {
    background: var(--gradient);
    color: var(--white);
}

.position {
    font-weight: 600;
    font-size: 1.1rem;
}

.amount {
    font-weight: 700;
    font-size: 1.3rem;
}

.special-mentions {
    margin-top: 3rem;
}

.special-mentions h3 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 2rem;
}

.mention-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.mention-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 20px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: transform 0.3s ease;
}

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

.mention-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.mention-card h4 {
    margin-bottom: 0.75rem;
    color: var(--primary-color);
}

/* Evaluation Criteria */
.criteria-list {
    max-width: 800px;
    margin: 0 auto 2rem;
}

.criteria-item {
    display: flex;
    align-items: center;
    background: var(--white);
    padding: 1.5rem;
    margin-bottom: 1rem;
    border-radius: 15px;
    box-shadow: 0 3px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.criteria-item:hover {
    transform: translateX(10px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
}

.criteria-score {
    background: var(--gradient);
    color: var(--white);
    font-size: 1.5rem;
    font-weight: 800;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1.5rem;
    flex-shrink: 0;
}

.criteria-desc h4 {
    color: var(--text-dark);
    font-size: 1.1rem;
}

.criteria-note {
    text-align: center;
    font-size: 1.2rem;
    color: var(--text-light);
}

/* Organizers */
.organizers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.organizer-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 20px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: transform 0.3s ease;
}

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

.organizer-logo {
    width: 120px;
    height: 120px;
    object-fit: contain;
    margin-bottom: 1.5rem;
    filter: grayscale(20%);
    transition: filter 0.3s ease;
}

.organizer-card:hover .organizer-logo {
    filter: grayscale(0%);
}

.organizer-card h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.organizer-card p {
    color: var(--text-light);
    font-size: 0.95rem;
}

/* Collaborations Section */
.collaborations-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    max-width: 900px;
    margin: 0 auto;
}

.collaboration-card {
    background: var(--white);
    padding: 1.5rem;
    border-radius: 15px;
    box-shadow: 0 3px 15px rgba(0, 0, 0, 0.06);
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
}

.collaboration-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.1);
}

.collaboration-logo {
    width: 100px;
    height: 100px;
    object-fit: contain;
    margin-bottom: 1rem;
    filter: grayscale(30%);
    transition: filter 0.3s ease, transform 0.3s ease;
}

.collaboration-card:hover .collaboration-logo {
    filter: grayscale(0%);
    transform: scale(1.1);
}

.collaboration-card p {
    color: var(--text-dark);
    font-weight: 600;
    font-size: 0.9rem;
}

/* Rules Section */
.rules-content p {
    text-align: center;
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

.rules-highlights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.rule-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 20px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
}

.rule-card h4 {
    margin-bottom: 1rem;
    color: var(--primary-color);
    font-size: 1.2rem;
}

.download-rules {
    text-align: center;
    margin-top: 2rem;
    font-size: 1.1rem;
}

.download-rules a {
    color: var(--primary-color);
    font-weight: 600;
    text-decoration: none;
}

.download-rules a:hover {
    text-decoration: underline;
}

/* Contact Section */
.contact-intro {
    text-align: center;
    font-size: 1.3rem;
    margin-bottom: 2rem;
}

.contact-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-item {
    background: var(--white);
    padding: 2rem;
    border-radius: 20px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
}

.contact-item strong {
    display: block;
    margin-bottom: 1rem;
    color: var(--primary-color);
    font-size: 1.2rem;
}

.contact-item a {
    color: var(--text-dark);
    text-decoration: none;
}

.contact-item a:hover {
    color: var(--primary-color);
    text-decoration: underline;
}

/* Footer */
.footer {
    background: var(--dark-bg);
    color: var(--white);
    padding: 3rem 20px;
    text-align: center;
}

.footer-content p {
    margin-bottom: 0.5rem;
}

.footer-links {
    margin-top: 1rem;
}

.footer-links a {
    color: var(--white);
    text-decoration: none;
    margin: 0 1rem;
}

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

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

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    }
    50% {
        box-shadow: 0 15px 40px rgba(37, 99, 235, 0.4);
    }
}

@keyframes slideInFromLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInFromRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* FAQ Page Styles */
.faq-hero {
    background: var(--gradient);
    padding: 8rem 0 4rem;
    text-align: center;
    color: var(--white);
}

.faq-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.faq-subtitle {
    font-size: 1.3rem;
    opacity: 0.9;
}

.section-description {
    text-align: center;
    color: var(--text-light);
    font-size: 1.1rem;
    margin-bottom: 3rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.resources-download-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.resource-download-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.resource-download-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.12);
}

.resource-download-card .resource-icon {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
}

.resource-download-card h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.resource-download-card p {
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 2rem;
}

.faq-item {
    background: var(--white);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
}

.faq-question {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1rem;
}

.faq-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.faq-question h3 {
    font-size: 1.2rem;
    color: var(--text-dark);
    margin: 0;
    line-height: 1.4;
}

.faq-answer {
    padding-left: 3.5rem;
    color: var(--text-light);
    line-height: 1.7;
}

.faq-answer ul {
    margin: 1rem 0;
    padding-left: 1.5rem;
}

.faq-answer li {
    margin-bottom: 0.5rem;
}

.faq-answer .resource-link {
    display: inline-block;
    margin-top: 1rem;
}

/* FAQ Accordion */
.faq-accordion {
    max-width: 900px;
    margin: 0 auto;
}

.accordion-item {
    background: var(--white);
    border-radius: 15px;
    margin-bottom: 1rem;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    overflow: hidden;
}

.accordion-header {
    width: 100%;
    padding: 1.5rem 2rem;
    background: none;
    border: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-dark);
    text-align: left;
    transition: background 0.3s ease;
}

.accordion-header:hover {
    background: rgba(139, 92, 246, 0.05);
}

.accordion-icon {
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--primary-color);
    transition: transform 0.3s ease;
}

.accordion-item.active .accordion-icon {
    transform: rotate(45deg);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.accordion-item.active .accordion-content {
    max-height: 500px;
    padding: 0 2rem 1.5rem;
}

.accordion-content p {
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 1rem;
}

.accordion-content ul {
    color: var(--text-light);
    padding-left: 1.5rem;
    margin: 1rem 0;
}

.accordion-content li {
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

/* Contact CTA */
.contact-cta {
    text-align: center;
    padding: 2rem 0;
}

.btn-large {
    padding: 1.25rem 3rem;
    font-size: 1.2rem;
}

.contact-email {
    margin-top: 1.5rem;
    color: var(--text-light);
    font-size: 1.1rem;
}

/* Nav active state */
.nav-link.active {
    color: var(--primary-color);
    font-weight: 700;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .nav-brand span {
        font-size: 1.25rem;
    }

    .nav-logo {
        height: 40px;
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
        z-index: 1001;
    }

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

    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }

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

    .nav-brand {
        gap: 0.5rem;
    }

    .nav-brand span {
        font-size: 1.1rem;
    }

    .nav-logo {
        height: 35px;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--white);
        width: 100%;
        text-align: center;
        transition: left 0.3s ease;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.15);
        padding: 2rem 0;
        gap: 0;
        max-height: calc(100vh - 70px);
        overflow-y: auto;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-menu li {
        padding: 1rem 0;
        animation: slideInFromRight 0.3s ease forwards;
        opacity: 0;
    }

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

    .hero-logo {
        width: 150px;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.25rem;
    }

    .hero-date {
        font-size: 1rem;
    }

    .hero-buttons {
        flex-direction: column;
        gap: 1rem;
        width: 100%;
        padding: 0 1rem;
    }

    .btn {
        width: 100%;
        max-width: 300px;
    }

    .section-title {
        font-size: 2rem;
    }

    .objective-grid,
    .info-grid,
    .output-grid,
    .mention-grid,
    .organizers-grid,
    .collaborations-grid,
    .resources-grid,
    .resources-download-grid,
    .faq-grid,
    .stats-grid,
    .rules-highlights,
    .contact-methods {
        grid-template-columns: 1fr;
    }

    .faq-title {
        font-size: 2.5rem;
    }

    .faq-subtitle {
        font-size: 1.1rem;
    }

    .faq-answer {
        padding-left: 0;
    }

    .accordion-header {
        padding: 1.25rem 1.5rem;
        font-size: 1rem;
    }

    .accordion-item.active .accordion-content {
        padding: 0 1.5rem 1.5rem;
    }

    .stat-number {
        font-size: 2.5rem;
    }

    .stat-label {
        font-size: 0.85rem;
    }

    .registration-closed {
        font-size: 1rem;
        padding: 0.75rem 1.5rem;
    }

    .universities-list {
        padding: 1.5rem;
    }

    .email-notice {
        padding: 1rem 1.5rem;
        font-size: 1rem;
    }

    .email-notice a {
        display: block;
        margin: 0.5rem 0;
    }

    .timeline {
        padding-left: 50px;
    }

    .timeline::before {
        left: 20px;
    }

    .timeline-item::before {
        left: -37px;
    }

    .timeline-item.highlight::before {
        left: -39px;
    }

    .criteria-item {
        flex-direction: column;
        text-align: center;
    }

    .criteria-score {
        margin-right: 0;
        margin-bottom: 1rem;
    }
}

@media (max-width: 480px) {
    .nav-brand span {
        font-size: 0.9rem;
    }

    .nav-logo {
        height: 30px;
    }

    .hero-logo {
        width: 120px;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .btn {
        padding: 0.875rem 2rem;
        font-size: 0.95rem;
    }

    .deadline-notice {
        font-size: 0.9rem;
        padding: 0.875rem 1.5rem;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .organizer-logo {
        width: 100px;
        height: 100px;
    }

    .objective-icon {
        font-size: 2.5rem;
    }

    .timeline-date {
        font-size: 1rem;
        margin-left: 20px;
    }

    .timeline-content {
        margin-left: 20px;
    }

    .criteria-score {
        width: 70px;
        height: 70px;
        font-size: 1.25rem;
    }
}

    .collaboration-logo {
        width: 80px;
        height: 80px;
    }
}

/* Touch device optimizations */
@media (hover: none) and (pointer: coarse) {
    .objective-card:active,
    .info-card:active,
    .organizer-card:active,
    .collaboration-card:active,
    .output-card:active {
        transform: scale(0.98);
    }

    .btn:active {
        transform: scale(0.95);
    }
}
