:root {
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --accent-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --dark-bg: #0a0a0a;
    --dark-surface: #1a1a1a;
    --dark-card: #2a2a2a;
    --text-primary: #ffffff;
    --text-secondary: #b4b4b4;
    --text-muted: #888888;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --shadow-glow: 0 0 40px rgba(102, 126, 234, 0.15);
}

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

html {
    scroll-behavior: smooth;
}

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



/* Background Animation */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 119, 198, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(120, 219, 255, 0.1) 0%, transparent 50%);
    z-index: -1;
}


/* Header */
header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 1rem 0;
    background: rgba(10, 10, 10, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    transition: all 0.3s ease;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Skill Cards */
.skill-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 1.5rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    cursor: default;
}

.skill-card:hover {
    transform: translateY(-8px) scale(1.05);
    box-shadow: var(--shadow-glow);
    background: var(--primary-gradient);
    color: white;
}

.skill-icon {
    font-size: 2rem;
    color: var(--primary-gradient);
}

.skill-card:hover .skill-icon {
    color: white;
}

/* Awards Cards */
.awards-grid {
    display: grid;
    gap: 1.5rem;
}

.award-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: all 0.3s ease;
}

.award-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-glow);
    background: var(--secondary-gradient);
    color: white;
}

.award-icon {
    font-size: 2.2rem;
    color: var(--accent-gradient);
}

.award-card:hover .award-icon {
    color: white;
}

.award-title {
    font-weight: 600;
}

.award-details {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.award-card:hover .award-details {
    color: rgba(255, 255, 255, 0.9);
}

/* Teaching Experience */
.teaching-grid {
    display: grid;
    gap: 1.5rem;
}

.teaching-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 1.5rem;
    display: flex;
    gap: 1rem;
    transition: all 0.3s ease;
}

.teaching-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-glow);
    background: var(--primary-gradient);
    color: white;
}

.teaching-icon {
    font-size: 2.2rem;
    color: var(--accent-gradient);
    flex-shrink: 0;
}

.teaching-card:hover .teaching-icon {
    color: white;
}

.teaching-role {
    font-weight: 700;
    font-size: 1.1rem;
}

.teaching-place {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.teaching-card:hover .teaching-place {
    color: rgba(255, 255, 255, 0.9);
}

.teaching-details {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.5;
}

.teaching-card:hover .teaching-details {
    color: rgba(255, 255, 255, 0.85);
}

.seminars-timeline {
    position: relative;
    margin: 2rem 0;
    padding-left: 2rem;
}

.seminars-timeline::before {
    content: '';
    position: absolute;
    left: 1rem;
    top: 0;
    width: 4px;
    height: 100%;
    background: var(--accent-gradient);
    border-radius: 2px;
}

.seminar-item {
    position: relative;
    margin-bottom: 2rem;
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.seminar-dot {
    position: absolute;
    left: -0.35rem;
    top: 0.3rem;
    width: 1rem;
    height: 1rem;
    background: var(--primary-gradient);
    border-radius: 50%;
    border: 3px solid var(--glass-bg);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.seminar-item:hover .seminar-dot {
    transform: scale(1.3);
    box-shadow: 0 0 10px var(--primary-gradient);
}

.seminar-content {
    background: var(--glass-bg);
    border-radius: 20px;
    padding: 1rem 1.5rem;
    border: 1px solid var(--glass-border);
    transition: all 0.3s ease;
}

.seminar-item:hover .seminar-content {
    background: var(--secondary-gradient);
    color: white;
    transform: translateX(5px);
}

.seminar-title {
    font-size: 1.05rem;
    font-weight: 600;
    background: linear-gradient(90deg, #ff7e5f, #feb47b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.3rem;
}

.seminar-place {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.seminar-item:hover .seminar-place {
    color: rgba(255, 255, 255, 0.9);
}


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

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

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

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

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

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

.cta-button {
    background: var(--primary-gradient);
    color: white;
    padding: 0.7rem 1.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}


.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
}

.personal-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.info-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 1.5rem;
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    transition: all 0.3s ease;
}

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

.info-icon {
    font-size: 2rem;
    color: var(--primary-gradient);
    flex-shrink: 0;
}

.info-card p {
    color: var(--text-secondary);
    line-height: 1.5;
    margin: 0;
}

.info-card strong {
    color: var(--text-primary);
}


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

.hero-content {
    max-width: 800px;
    z-index: 2;
    animation: fadeInUp 1s ease-out;
}

.hero-title {
    font-family: 'Playfair Display', serif;
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    margin-bottom: 1rem;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-weight: 400;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

.btn {
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-primary {
    background: var(--primary-gradient);
    color: white;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.btn-secondary {
    background: var(--glass-bg);
    color: var(--text-primary);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
}

.btn:hover {
    transform: translateY(-3px);
}

.btn-primary:hover {
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
}

#events-section {
    padding: 80px 0;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-heading {
    text-align: center;
    margin-bottom: 60px;
}

.section-heading h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-secondary);
    position: relative;
    display: inline-block;
    padding-bottom: 10px;
}

.section-heading h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, #4f46e5, #0ea5e9);
    border-radius: 2px;
}

.workshops-list {
    color: #fff;
    padding: 60px 20px;
    border-radius: 20px;
    max-width: 900px;
    margin: 50px auto;
    font-family: "Segoe UI", sans-serif;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

.workshops-list h2 {
    text-align: center;
    font-size: 2.4rem;
    font-weight: bold;
    margin-bottom: 40px;
    color: #ffd700;
}

.workshop {
    display: flex;
    align-items: flex-start;
    margin-bottom: 25px;
    background: rgba(255, 255, 255, 0.08);
    /* Glassmorphism effect */
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 14px;
    padding: 20px;
    backdrop-filter: blur(12px);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.workshop:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.5);
}

.workshop .number {
    flex-shrink: 0;
    width: 45px;
    height: 45px;
    background: #ffd700;
    color: #111;
    font-weight: bold;
    font-size: 1.2rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 20px;
    box-shadow: 0 0 10px rgba(255, 215, 0, 0.6);
}

.workshop .details h3 {
    font-size: 1.2rem;
    margin-bottom: 8px;
    color: #63b3ed;
    /* soft blue */
}

.workshop .details p {
    font-size: 0.95rem;
    line-height: 1.6;
    color: #e5e5e5;
}


/* --- Timeline Styling --- */
.timeline {
    position: relative;
}

/* The vertical line */
.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 3px;
    height: 100%;
    background-color: #e9ecef;
    border-radius: 2px;
}

.timeline-item {
    position: relative;
    margin-bottom: 50px;
    width: 50%;
}

.timeline-item:nth-child(odd) {
    left: 0;
    padding-right: 50px;
    text-align: right;
}

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

.timeline-icon {
    position: absolute;
    top: 0;
    right: -21.5px;
    /* (40px icon width / 2) + 1.5px line width */
    width: 40px;
    height: 40px;
    background-color: #fff;
    border: 3px solid #4f46e5;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #4f46e5;
    font-size: 1.2rem;
    z-index: 10;
}

.timeline-item:nth-child(even) .timeline-icon {
    left: -18.5px;
}

.timeline-content {
    background-color: #ffffff;
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    border: 1px solid #e9ecef;
    position: relative;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.timeline-content:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
}

/* The speech bubble arrow */
.timeline-content::after {
    content: '';
    position: absolute;
    top: 15px;
    width: 0;
    height: 0;
    border-style: solid;
}

.timeline-item:nth-child(odd) .timeline-content::after {
    right: -15px;
    border-width: 10px 0 10px 15px;
    border-color: transparent transparent transparent #ffffff;
}

.timeline-item:nth-child(even) .timeline-content::after {
    left: -15px;
    border-width: 10px 15px 10px 0;
    border-color: transparent #ffffff transparent transparent;
}


.tag {
    display: inline-block;
    padding: 5px 12px;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 20px;
    margin-bottom: 12px;
    color: #fff;
    text-transform: uppercase;
}

.tag.international {
    background-color: #0ea5e9;
}

.tag.national {
    background-color: #8b5cf6;
}

.tag.workshop {
    background-color: #10b981;
}

.timeline-content h4 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #343a40;
    margin-bottom: 10px;
}

.timeline-content .topic {
    font-style: italic;
    color: #495057;
    margin-bottom: 15px;
    font-size: 0.95rem;
}

.timeline-content .topic strong {
    font-style: normal;
}

.timeline-content .details {
    font-size: 0.9rem;
    color: #6c757d;
    display: flex;
    align-items: center;
}

.timeline-item:nth-child(odd) .details {
    justify-content: flex-end;
}

.details i {
    margin-right: 8px;
}

.timeline-item:nth-child(odd) .details i {
    margin-right: 0;
    margin-left: 8px;
    order: 1;
}


/* --- Responsive Design --- */
@media screen and (max-width: 991px) {
    .timeline::before {
        left: 20px;
    }

    .timeline-item {
        width: 100%;
        padding-left: 70px;
        padding-right: 0;
        text-align: left;
    }

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

    .timeline-item:nth-child(even) {
        left: 0;
        padding-left: 70px;
    }

    .timeline-icon {
        left: 0;
    }

    .timeline-item:nth-child(odd) .details,
    .timeline-item:nth-child(even) .details {
        justify-content: flex-start;
    }

    .timeline-item:nth-child(odd) .details i,
    .timeline-item:nth-child(even) .details i {
        margin-right: 8px;
        margin-left: 0;
        order: 0;
    }

    .timeline-content::after {
        left: -15px;
        border-width: 10px 15px 10px 0;
        border-color: transparent #ffffff transparent transparent;
    }

    .timeline-item:nth-child(odd) .timeline-content::after {
        right: auto;
        left: -15px;
        border-width: 10px 15px 10px 0;
        border-color: transparent #ffffff transparent transparent;
    }
}

/* Floating Animation */
.floating {
    animation: floating 6s ease-in-out infinite;
}

@keyframes floating {

    0%,
    100% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-20px);
    }
}

/* Sections */
.section {
    padding: 6rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    font-family: 'Playfair Display', serif;
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Cards */
.card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 2rem;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    height: 100%;
}

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

/* About Section */
.about-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    align-items: center;
}

.about-image {
    width: 100%;
    aspect-ratio: 1;
    border-radius: 20px;
    background: var(--primary-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    font-weight: 800;
    color: white;
    box-shadow: var(--shadow-glow);
}

.about-text {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.stat-card {
    text-align: center;
    padding: 1.5rem;
    background: var(--glass-bg);
    border-radius: 15px;
    border: 1px solid var(--glass-border);
}

.stat-number {
    font-size: 2rem;
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

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

.timeline-item {
    position: relative;
    margin-bottom: 2rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 15px;
    padding: 1.5rem;
    margin-left: 1rem;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -2.5rem;
    top: 1.5rem;
    width: 12px;
    height: 12px;
    background: var(--primary-gradient);
    border-radius: 50%;
    box-shadow: 0 0 0 4px var(--dark-bg);
}

/* Skills */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 1rem;
}

.skill-tag {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 25px;
    padding: 0.8rem 1.2rem;
    text-align: center;
    font-weight: 500;
    transition: all 0.3s ease;
    cursor: pointer;
}

.skill-tag:hover {
    background: var(--primary-gradient);
    color: white;
    transform: scale(1.05);
}

/* Publications */
.publications-grid {
    display: grid;
    gap: 1.5rem;
}

.publication-item {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 15px;
    padding: 1.5rem;
    transition: all 0.3s ease;
}

.publication-item:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-glow);
}

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

.publication-details {
    color: var(--text-muted);
    font-size: 0.9rem;
}

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

.contact-info {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 15px;
    transition: all 0.3s ease;
}

.contact-info:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow);
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--primary-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
}

/* Footer */
/* --- Footer Styling --- */
.site-footer {
    background-color: #1a202c;
    /* Dark charcoal background */
    color: #a0aec0;
    /* Muted text color */
    padding: 40px 20px;
    font-size: 0.9rem;
    border-top: 4px solid #4f46e5;
    /* Accent color border */
}

.footer-container {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    /* Allows items to wrap on smaller screens */
    gap: 20px;
}

.footer-text p {
    margin: 0;
    line-height: 1.6;
}

.footer-text .copyright {
    color: #e2e8f0;
    /* Slightly brighter color for copyright */
    font-weight: 500;
}

.footer-text .qualification {
    font-size: 0.85rem;
    margin-top: 4px;
}

/* --- Social Media Icons Styling --- */
.social-icons {
    display: flex;
    gap: 12px;
    /* Space between icons */
}

.social-icons a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    color: #a0aec0;
    /* Icon color */
    background-color: #2d3748;
    /* Icon background */
    border-radius: 50%;
    text-decoration: none;
    font-size: 1.1rem;
    transition: all 0.3s ease;
}

/* --- Hover Effects for Icons --- */
.social-icons a:hover {
    transform: translateY(-4px) scale(1.1);
    color: #ffffff;
    /* White icon on hover */
}

.social-icons a.linkedin:hover {
    background-color: #0077b5;
}

.social-icons a.whatsapp:hover {
    background-color: #25d366;
}

.social-icons a.instagram:hover {
    background-color: #e4405f;
}

.social-icons a.twitter:hover {
    background-color: #1da1f2;
}

.social-icons a.email:hover {
    background-color: #ea4335;
}

/* --- Section Styling --- */
#awards {
    padding: 80px 20px;
    text-align: center;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #212529;
    margin-bottom: 60px;
    position: relative;
    display: inline-block;
    padding-bottom: 10px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, #6366f1, #0ea5e9);
    /* Gradient accent */
    border-radius: 2px;
}

/* --- Grid for Award Cards --- */
.awards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    /* Responsive grid */
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
    text-align: left;
}

/* --- Individual Award Card Styling --- */
.award-card {
    background-color: #ffffff;
    border-radius: 12px;
    padding: 30px;
    display: flex;
    align-items: flex-start;
    /* Aligns icon and text to the top */
    gap: 20px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    border: 1px solid #e9ecef;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.award-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
}

.award-icon {
    font-size: 2.5rem;
    /* Larger icon */
    color: #c084fc;
    /* Purple accent color */
    background: linear-gradient(135deg, #a855f7, #6366f1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    padding-top: 5px;
}

.award-title {
    font-size: 1.15rem;
    font-weight: 600;
    color: #1a202c;
    margin: 0 0 8px 0;
}

.award-details {
    font-size: 0.95rem;
    line-height: 1.6;
    color: #4a5568;
    margin: 0;
}

/* --- Responsive Design for Footer --- */
@media (max-width: 768px) {
    .footer-container {
        flex-direction: column;
        /* Stack items vertically */
        text-align: center;
        gap: 25px;
    }
}


/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.6s ease;
}

.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

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

    .about-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .section {
        padding: 4rem 1rem;
    }

    .timeline {
        padding-left: 1rem;
    }

    .timeline-item {
        margin-left: 0.5rem;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(10, 10, 10, 0.95);
        padding: 1rem;
        border-top: 1px solid var(--glass-border);
    }

    .nav-links.active {
        display: flex;
        /* show when active */
    }
}

/* Scroll indicator */
.scroll-indicator {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: var(--primary-gradient);
    z-index: 1001;
    transition: width 0.1s ease;
}

/* Particle effect */
.particles {
    position: absolute;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 1;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: rgba(102, 126, 234, 0.5);
    border-radius: 50%;
    animation: float 6s infinite linear;
}

@keyframes float {
    0% {
        transform: translateY(100vh) rotate(0deg);
        opacity: 0;
    }

    10% {
        opacity: 1;
    }

    90% {
        opacity: 1;
    }

    100% {
        transform: translateY(-100px) rotate(360deg);
        opacity: 0;
    }
}

.tabs {
    max-width: 900px;
    margin: 30px auto;
    background: #1e1e1e;
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.6);
}

/* Heading */
.tabs h2 {
    color: #ffffff;
    margin-bottom: 20px;
}

/* --- Tab Buttons --- */
.tab-buttons {
    display: flex;
    border-bottom: 2px solid #333;
}

.tab-button {
    padding: 12px 20px;
    cursor: pointer;
    border: none;
    background-color: #2a2a2a;
    border-top-left-radius: 6px;
    border-top-right-radius: 6px;
    margin-right: 4px;
    transition: background-color 0.3s, color 0.3s;
    font-weight: bold;
    color: #bbb;
}

.tab-button.active {
    background-color: #1e1e1e;
    border: 2px solid #444;
    border-bottom: 2px solid #1e1e1e;
    color: #4da6ff;
}


/* --- Content Area --- */
.tab-content {
    padding: 20px;
    border: 2px solid #333;
    border-top: none;
    background-color: #1e1e1e;
    min-height: 200px;
    border-radius: 0 0 10px 10px;
}

.content-panel {
    display: none;
}
.content-panel.active {
    display: block;
}

/* --- PDF Box --- */
.pdf-box {
    border: 1px solid #333;
    background: #222;
    border-radius: 10px;
    padding: 15px 20px;
    margin-bottom: 20px;
    box-shadow: 0px 2px 6px rgba(0,0,0,0.6);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.pdf-box:hover {
    transform: translateY(-3px);
    box-shadow: 0px 4px 12px rgba(0,0,0,0.7);
}

.pdf-box h4 {
    margin: 0 0 8px;
    color: #4da6ff;
    font-size: 18px;
}

.pdf-box p {
    font-size: 14px;
    color: #aaa;
    margin-bottom: 12px;
}

/* --- PDF Actions --- */
.pdf-actions a {
    display: inline-block;
    padding: 8px 15px;
    margin-right: 10px;
    text-decoration: none;
    border-radius: 6px;
    font-weight: bold;
    transition: background-color 0.3s;
    font-size: 14px;
}

.pdf-actions .open-btn {
    background-color: #4da6ff;
    color: #fff;
}
.pdf-actions .open-btn:hover {
    background-color: #1a75ff;
}

.pdf-actions .download-btn {
    background-color: #28a745;
    color: #fff;
}
.pdf-actions .download-btn:hover {
    background-color: #1e7e34;
}

/* --- Nested Tabs --- */
.nested-tabs {
    margin-top: 20px;
}

.nested-tab-buttons {
    display: flex;
    border-bottom: 2px solid #555;
}

.nested-tab-button {
    padding: 8px 16px;
    cursor: pointer;
    border: none;
    background-color: #2a2a2a;
    color: #ccc;
    border-top-left-radius: 5px;
    border-top-right-radius: 5px;
    margin-right: 4px;
    font-weight: bold;
    transition: background 0.3s, color 0.3s;
}

.nested-tab-button.active {
    background-color: #1e1e1e;
    color: #4da6ff;
    border: 1px solid #444;
    border-bottom: 2px solid #1e1e1e;
}

.nested-tab-button:hover:not(.active) {
    background-color: #333;
    color: #fff;
}

.nested-tab-content {
    padding: 15px 0;
}

.nested-content-panel {
    display: none;
}

.nested-content-panel.active {
    display: block;
}