:root {
    /* Color Palette - Deep Space & Neon */
    --bg-color: #050505;
    --bg-gradient: radial-gradient(circle at 50% 50%, #1a1a2e 0%, #050505 100%);
    --primary-color: #00f2ff;
    /* Cyan Neon */
    --secondary-color: #7000ff;
    /* Purple Neon */
    --accent-color: #ff0055;
    /* Pink Neon */
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;

    /* Glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    --backdrop-blur: 10px;

    /* Typography */
    --font-main: 'Outfit', sans-serif;
    --font-heading: 'Outfit', sans-serif;
}

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

body {
    font-family: var(--font-main);
    background-color: var(--bg-color);
    background-image: var(--bg-gradient);
    color: var(--text-primary);
    overflow-x: hidden;
    min-height: 100vh;
}

/* Canvas Background */
#brain-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    opacity: 0.6;
}

/* Layout Utilities */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section {
    padding: 6rem 0;
}

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

/* Glass Card */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--backdrop-blur));
    -webkit-backdrop-filter: blur(var(--backdrop-blur));
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    box-shadow: var(--glass-shadow);
    padding: 2rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.glass-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px 0 rgba(0, 242, 255, 0.1);
    border-color: rgba(0, 242, 255, 0.3);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 32px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
}

.btn-primary {
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    color: #000;
    border: none;
    box-shadow: 0 0 20px rgba(0, 242, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(0, 242, 255, 0.5);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--glass-border);
    margin-left: 1rem;
}

.btn-secondary:hover {
    background: var(--glass-bg);
    border-color: var(--text-primary);
}

/* Header & Nav */
.site-header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.5rem 0;
    transition: all 0.3s ease;
}

.site-header.scrolled {
    background: rgba(5, 5, 5, 0.8);
    backdrop-filter: blur(20px);
    padding: 1rem 0;
    border-bottom: 1px solid var(--glass-border);
}

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

.nav-logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    letter-spacing: 1px;
    text-transform: uppercase;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

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

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

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

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

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 6px;
}

.nav-toggle span {
    display: block;
    width: 25px;
    height: 2px;
    background-color: var(--text-primary);
    transition: all 0.3s ease;
}

/* Hero Section */
.hero-section,
.about-hero,
.publications-hero,
.news-hero,
.courses-hero,
.contact-hero,
.resources-hero {
    height: auto;
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    padding-top: 120px;
    padding-bottom: 60px;
}

.hero-content h1 {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 1rem;
    line-height: 1.1;
}

.hero-content h1 span {
    display: block;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-content p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 2rem;
}

/* About Page Specifics */
.profile-img {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--primary-color);
    box-shadow: 0 0 30px rgba(0, 242, 255, 0.3);
    margin-bottom: 2rem;
}

.timeline {
    position: relative;
    padding-left: 30px;
    margin-top: 30px;
    border-left: 2px solid var(--glass-border);
}

.timeline-item {
    position: relative;
    margin-bottom: 40px;
}

.timeline-marker {
    position: absolute;
    left: -36px;
    top: 0;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--primary-color);
    box-shadow: 0 0 10px var(--primary-color);
}

.timeline-content {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--backdrop-blur));
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 1.5rem;
    transition: transform 0.3s ease;
}

.timeline-content:hover {
    transform: translateX(10px);
    border-color: var(--primary-color);
}

.timeline-date {
    color: var(--secondary-color);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    display: block;
}

/* Collaborator Card */
.collaborator-card {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-top: 1rem;
    background: rgba(255, 255, 255, 0.03);
    padding: 1rem;
    border-radius: 8px;
}

.collaborator-img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--secondary-color);
}

/* Popup */
.popup-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    z-index: 2000;
    justify-content: center;
    align-items: center;
}

.popup-overlay.active {
    display: flex;
    animation: fadeIn 0.3s ease;
}

.popup-content {
    background: #1a1a2e;
    border: 1px solid var(--primary-color);
    padding: 2rem;
    border-radius: 16px;
    max-width: 500px;
    width: 90%;
    position: relative;
    box-shadow: 0 0 50px rgba(0, 242, 255, 0.2);
}

.popup-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-secondary);
    transition: color 0.3s ease;
}

.popup-close:hover {
    color: var(--primary-color);
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

/* Publications Page Specifics */
.publication-card {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--backdrop-blur));
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 2rem;
    margin-bottom: 2rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.publication-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px 0 rgba(0, 242, 255, 0.1);
    border-color: rgba(0, 242, 255, 0.3);
}

.pub-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.pub-type-badge {
    background: rgba(0, 242, 255, 0.1);
    color: var(--primary-color);
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    border: 1px solid rgba(0, 242, 255, 0.3);
}

.pub-year-badge {
    background: rgba(112, 0, 255, 0.1);
    color: var(--secondary-color);
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    border: 1px solid rgba(112, 0, 255, 0.3);
}

.pub-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    width: 100%;
}

.pub-authors {
    color: var(--text-secondary);
    font-style: italic;
    font-size: 0.95rem;
    margin-bottom: 1rem;
}

.pub-authors strong {
    color: var(--primary-color);
}

.pub-content {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

.pub-logo {
    width: 120px;
    flex-shrink: 0;
    background: rgba(255, 255, 255, 0.9);
    padding: 1rem;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.pub-logo img {
    max-width: 100%;
    height: auto;
}

.pub-details {
    flex: 1;
    min-width: 300px;
}

.pub-journal {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.pub-journal a {
    color: var(--primary-color);
    text-decoration: none;
}

.pub-abstract-preview {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.read-abstract-btn {
    background: transparent;
    border: 1px solid var(--glass-border);
    color: var(--primary-color);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.read-abstract-btn:hover {
    background: rgba(0, 242, 255, 0.1);
    border-color: var(--primary-color);
}

.full-abstract {
    margin-top: 1rem;
    padding: 1rem;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 8px;
    border-left: 3px solid var(--primary-color);
    display: none;
}

.pub-actions {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
    flex-wrap: wrap;
}

.action-btn {
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
}

.btn-doi {
    background: rgba(0, 242, 255, 0.1);
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
}

.btn-doi:hover {
    background: var(--primary-color);
    color: #000;
}

.btn-download {
    background: rgba(112, 0, 255, 0.1);
    color: var(--secondary-color);
    border: 1px solid var(--secondary-color);
}

.btn-download:hover {
    background: var(--secondary-color);
    color: #fff;
}

.btn-contact {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--glass-border);
}

.btn-contact:hover {
    border-color: var(--text-primary);
    color: var(--text-primary);
}

/* News Page Specifics */
.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.news-card {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--backdrop-blur));
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.news-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px 0 rgba(0, 242, 255, 0.1);
    border-color: rgba(0, 242, 255, 0.3);
}

.news-card-header {
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.03);
    border-bottom: 1px solid var(--glass-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.news-icon {
    width: 40px;
    height: 40px;
    background: rgba(0, 242, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
}

.news-date-badge {
    font-size: 0.8rem;
    color: var(--secondary-color);
    font-weight: 600;
    background: rgba(112, 0, 255, 0.1);
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    border: 1px solid rgba(112, 0, 255, 0.3);
}

.news-card-body {
    padding: 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.news-category {
    font-size: 0.8rem;
    color: var(--primary-color);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.5rem;
    display: block;
}

.news-card h2 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    line-height: 1.4;
    color: var(--text-primary);
}

.news-excerpt {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    flex: 1;
}

.news-meta {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.news-meta i {
    color: var(--primary-color);
    margin-right: 0.25rem;
}

.news-card-footer {
    display: flex;
    gap: 1rem;
    margin-top: auto;
}

.read-more {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
}

.read-more i {
    transition: transform 0.3s ease;
}

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

/* Courses Page Specifics */
.announcement-box {
    background: rgba(255, 193, 7, 0.1);
    border: 1px solid rgba(255, 193, 7, 0.3);
    padding: 1.5rem;
    border-radius: 16px;
    margin-bottom: 3rem;
    display: flex;
    gap: 1.5rem;
    backdrop-filter: blur(var(--backdrop-blur));
}

.announcement-box i {
    color: #ffc107;
    font-size: 1.5rem;
    flex-shrink: 0;
    margin-top: 0.2rem;
}

.announcement-content {
    flex: 1;
}

.announcement-content p {
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.announcement-content strong {
    color: #ffc107;
}

.announcement-content ul {
    margin: 0.5rem 0;
    padding-left: 1.5rem;
    color: var(--text-secondary);
}

.announcement-content li {
    margin-bottom: 0.25rem;
}

.course-card {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--backdrop-blur));
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.course-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(0, 242, 255, 0.1);
    border-color: var(--primary-color);
}

.course-header {
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.03);
    border-bottom: 1px solid var(--glass-border);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
}

.course-header h3 {
    font-size: 1.25rem;
    color: var(--text-primary);
    line-height: 1.4;
    flex: 1;
}

.course-type {
    background: rgba(0, 242, 255, 0.1);
    color: var(--primary-color);
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    white-space: nowrap;
    border: 1px solid rgba(0, 242, 255, 0.3);
}

.course-content {
    padding: 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.course-content p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    flex: 1;
}

.course-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--glass-border);
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

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

.meta-separator {
    color: var(--glass-border);
}

.course-actions {
    display: flex;
    gap: 1rem;
}

.course-btn {
    flex: 1;
    padding: 0.75rem;
    border-radius: 8px;
    text-align: center;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-view {
    background: rgba(0, 242, 255, 0.1);
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
}

.btn-view:hover {
    background: var(--primary-color);
    color: #000;
}

.coming-soon .course-header {
    opacity: 0.7;
}

.coming-soon .course-type {
    background: rgba(255, 0, 85, 0.1);
    color: var(--accent-color);
    border-color: rgba(255, 0, 85, 0.3);
}

.progress-container {
    padding: 0 1.5rem 1.5rem;
}

.progress-bar {
    height: 6px;
    background: var(--glass-border);
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 3px;
}

.progress-text {
    font-size: 0.8rem;
    color: var(--primary-color);
    text-align: right;
    display: block;
}

/* Contact Page Specifics */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.contact-card {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--backdrop-blur));
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 2.5rem 2rem;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(0, 242, 255, 0.1);
    border-color: var(--primary-color);
}

.card-icon {
    width: 80px;
    height: 80px;
    background: rgba(0, 242, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(0, 242, 255, 0.3);
    color: var(--primary-color);
    font-size: 2rem;
    transition: all 0.3s ease;
}

.contact-card:hover .card-icon {
    background: var(--primary-color);
    color: #000;
    box-shadow: 0 0 20px rgba(0, 242, 255, 0.4);
}

.contact-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.contact-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 0;
}

.contact-link {
    display: inline-block;
    color: var(--primary-color);
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    background: rgba(0, 242, 255, 0.1);
    border-radius: 8px;
    transition: all 0.3s ease;
    margin-top: 0.5rem;
    border: 1px solid rgba(0, 242, 255, 0.3);
}

.contact-link:hover {
    background: var(--primary-color);
    color: #000;
    transform: scale(1.05);
}

.profiles-card {
    grid-column: 1 / -1;
}

.profile-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    width: 100%;
}

.profile-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    background: rgba(255, 255, 255, 0.03);
    color: var(--text-primary);
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    border: 1px solid var(--glass-border);
    min-width: 180px;
}

.profile-btn:hover {
    background: rgba(0, 242, 255, 0.1);
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-3px);
}

.profile-btn i {
    font-size: 1.2rem;
}

/* Footer */
.site-footer {
    padding: 3rem 0;
    text-align: center;
}

.meta-separator {
    color: var(--glass-border);
}

.course-actions {
    display: flex;
    gap: 1rem;
}

.course-btn {
    flex: 1;
    padding: 0.75rem;
    border-radius: 8px;
    text-align: center;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-view {
    background: rgba(0, 242, 255, 0.1);
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
}

.btn-view:hover {
    background: var(--primary-color);
    color: #000;
}

.coming-soon .course-header {
    opacity: 0.7;
}

.coming-soon .course-type {
    background: rgba(255, 0, 85, 0.1);
    color: var(--accent-color);
    border-color: rgba(255, 0, 85, 0.3);
}

.progress-container {
    padding: 0 1.5rem 1.5rem;
}

.progress-bar {
    height: 6px;
    background: var(--glass-border);
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 3px;
}

.progress-text {
    font-size: 0.8rem;
    color: var(--primary-color);
    text-align: right;
    display: block;
}

/* Contact Page Specifics */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.contact-card {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--backdrop-blur));
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 2.5rem 2rem;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(0, 242, 255, 0.1);
    border-color: var(--primary-color);
}

.card-icon {
    width: 80px;
    height: 80px;
    background: rgba(0, 242, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(0, 242, 255, 0.3);
    color: var(--primary-color);
    font-size: 2rem;
    transition: all 0.3s ease;
}

.contact-card:hover .card-icon {
    background: var(--primary-color);
    color: #000;
    box-shadow: 0 0 20px rgba(0, 242, 255, 0.4);
}

.contact-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.contact-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 0;
}

.contact-link {
    display: inline-block;
    color: var(--primary-color);
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    background: rgba(0, 242, 255, 0.1);
    border-radius: 8px;
    transition: all 0.3s ease;
    margin-top: 0.5rem;
    border: 1px solid rgba(0, 242, 255, 0.3);
}

.contact-link:hover {
    background: var(--primary-color);
    color: #000;
    transform: scale(1.05);
}

.profiles-card {
    grid-column: 1 / -1;
}

.profile-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    width: 100%;
}

.profile-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    background: rgba(255, 255, 255, 0.03);
    color: var(--text-primary);
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    border: 1px solid var(--glass-border);
    min-width: 180px;
}

.profile-btn:hover {
    background: rgba(0, 242, 255, 0.1);
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-3px);
}

.profile-btn i {
    font-size: 1.2rem;
}

/* Footer */
.site-footer {
    padding: 3rem 0;
    text-align: center;
}

.meta-separator {
    color: var(--glass-border);
}

.course-actions {
    display: flex;
    gap: 1rem;
}

.course-btn {
    flex: 1;
    padding: 0.75rem;
    border-radius: 8px;
    text-align: center;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-view {
    background: rgba(0, 242, 255, 0.1);
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
}

.btn-view:hover {
    background: var(--primary-color);
    color: #000;
}

.coming-soon .course-header {
    opacity: 0.7;
}

.coming-soon .course-type {
    background: rgba(255, 0, 85, 0.1);
    color: var(--accent-color);
    border-color: rgba(255, 0, 85, 0.3);
}

.progress-container {
    padding: 0 1.5rem 1.5rem;
}

.progress-bar {
    height: 6px;
    background: var(--glass-border);
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 3px;
}

.progress-text {
    font-size: 0.8rem;
    color: var(--primary-color);
    text-align: right;
    display: block;
}

/* Contact Page Specifics */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.contact-card {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--backdrop-blur));
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 2.5rem 2rem;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(0, 242, 255, 0.1);
    border-color: var(--primary-color);
}

.card-icon {
    width: 80px;
    height: 80px;
    background: rgba(0, 242, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(0, 242, 255, 0.3);
    color: var(--primary-color);
    font-size: 2rem;
    transition: all 0.3s ease;
}

.contact-card:hover .card-icon {
    background: var(--primary-color);
    color: #000;
    box-shadow: 0 0 20px rgba(0, 242, 255, 0.4);
}

.contact-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.contact-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 0;
}

.contact-link {
    display: inline-block;
    color: var(--primary-color);
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    background: rgba(0, 242, 255, 0.1);
    border-radius: 8px;
    transition: all 0.3s ease;
    margin-top: 0.5rem;
    border: 1px solid rgba(0, 242, 255, 0.3);
}

.contact-link:hover {
    background: var(--primary-color);
    color: #000;
    transform: scale(1.05);
}

.profiles-card {
    grid-column: 1 / -1;
}

.profile-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    width: 100%;
}

.profile-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    background: rgba(255, 255, 255, 0.03);
    color: var(--text-primary);
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    border: 1px solid var(--glass-border);
    min-width: 180px;
}

.profile-btn:hover {
    background: rgba(0, 242, 255, 0.1);
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-3px);
}

.profile-btn i {
    font-size: 1.2rem;
}

/* Footer */
.site-footer {
    padding: 3rem 0;
    text-align: center;
    border-top: 1px solid var(--glass-border);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        height: 100vh;
        background: rgba(5, 5, 5, 0.95);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        transition: right 0.3s ease;
    }

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

    .nav-toggle {
        display: flex;
        z-index: 1001;
    }

    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 6px);
    }

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

    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -6px);
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .btn {
        display: block;
        width: 100%;
        margin: 1rem 0 0 0;
        text-align: center;
    }

    .profiles-card {
        grid-column: auto;
    }
}

/* Courses Page Specifics */
.coming-soon .course-type {
    background: rgba(255, 0, 85, 0.1);
    color: var(--accent-color);
    border-color: rgba(255, 0, 85, 0.3);
}

.progress-container {
    padding: 0 1.5rem 1.5rem;
}

.progress-bar {
    height: 6px;
    background: var(--glass-border);
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 3px;
}

.progress-text {
    font-size: 0.8rem;
    color: var(--primary-color);
    text-align: right;
    display: block;
}

/* Contact Page Specifics */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.contact-card {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--backdrop-blur));
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 2.5rem 2rem;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(0, 242, 255, 0.1);
    border-color: var(--primary-color);
}

.card-icon {
    width: 80px;
    height: 80px;
    background: rgba(0, 242, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(0, 242, 255, 0.3);
    color: var(--primary-color);
    font-size: 2rem;
    transition: all 0.3s ease;
}

.contact-card:hover .card-icon {
    background: var(--primary-color);
    color: #000;
    box-shadow: 0 0 20px rgba(0, 242, 255, 0.4);
}

.contact-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.contact-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 0;
}

.contact-link {
    display: inline-block;
    color: var(--primary-color);
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    background: rgba(0, 242, 255, 0.1);
    border-radius: 8px;
    transition: all 0.3s ease;
    margin-top: 0.5rem;
    border: 1px solid rgba(0, 242, 255, 0.3);
}

.contact-link:hover {
    background: var(--primary-color);
    color: #000;
    transform: scale(1.05);
}

.profiles-card {
    grid-column: 1 / -1;
}

.profile-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    width: 100%;
}

.profile-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    background: rgba(255, 255, 255, 0.03);
    color: var(--text-primary);
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    border: 1px solid var(--glass-border);
    min-width: 180px;
}

.profile-btn:hover {
    background: rgba(0, 242, 255, 0.1);
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-3px);
}

.profile-btn i {
    font-size: 1.2rem;
}

/* Footer */
.site-footer {
    padding: 3rem 0;
    text-align: center;
    border-top: 1px solid var(--glass-border);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Resources Page Specifics */
.resources-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.resource-card {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--backdrop-blur));
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.resource-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px 0 rgba(0, 242, 255, 0.1);
    border-color: rgba(0, 242, 255, 0.3);
}

.resource-header {
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.03);
    border-bottom: 1px solid var(--glass-border);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
}

.resource-title {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex: 1;
}

.resource-title i {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.resource-title h3 {
    font-size: 1.25rem;
    color: var(--text-primary);
    line-height: 1.4;
    margin: 0;
}

.resource-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.badge {
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.badge-category {
    background: rgba(0, 242, 255, 0.1);
    color: var(--primary-color);
    border: 1px solid rgba(0, 242, 255, 0.3);
}

.badge-status {
    background: rgba(112, 0, 255, 0.1);
    color: var(--secondary-color);
    border: 1px solid rgba(112, 0, 255, 0.3);
}

.resource-description {
    padding: 1.5rem;
    flex: 1;
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

.resource-description p {
    margin-bottom: 1rem;
}

.read-more-btn {
    background: transparent;
    border: 1px solid var(--glass-border);
    color: var(--primary-color);
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    cursor: pointer;
    font-size: 0.8rem;
    transition: all 0.3s ease;
    margin-top: 0.5rem;
}

.read-more-btn:hover {
    background: rgba(0, 242, 255, 0.1);
    border-color: var(--primary-color);
}

.resource-actions {
    padding: 0 1.5rem 1.5rem;
    display: flex;
    gap: 1rem;
}

.resource-btn {
    flex: 1;
    padding: 0.75rem;
    border-radius: 8px;
    text-align: center;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.view-btn {
    background: rgba(0, 242, 255, 0.1);
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
}

.view-btn:hover {
    background: var(--primary-color);
    color: #000;
}

.contact-btn {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--glass-border);
}

.contact-btn:hover {
    border-color: var(--text-primary);
    color: var(--text-primary);
}

.coming-soon {
    opacity: 0.7;
}

.coming-soon .resource-header {
    border-bottom-style: dashed;
}