/* Modern Academic Landing Page Styles */
:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary: #64748b;
    --dark: #0f172a;
    --light: #f8fafc;
    --text: #334155;
    --text-muted: #64748b;
    --bg: #ffffff;
    --card-bg: #ffffff;
    --border: #e2e8f0;
    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    --transition: all 0.3s ease;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #0f172a;
        --light: #1e293b;
        --text: #f1f5f9;
        --text-muted: #94a3b8;
        --card-bg: #1e293b;
        --border: #334155;
    }
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    line-height: 1.6;
    color: var(--text);
    background-color: var(--bg);
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2rem;
}

section {
    padding: 4rem 0;
}

.section-padding {
    padding: 4rem 0;
}

.bg-light {
    background-color: var(--light);
}

.bg-dark {
    background-color: var(--dark);
}

.text-light {
    color: #f8fafc;
}

h1, h2, h3, h4 {
    line-height: 1.2;
    margin-bottom: 1rem;
    font-weight: 700;
}

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

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

ul {
    list-style: none;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(var(--bg), 0.9);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
    padding: 0.75rem 0;
}

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

.logo {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--text);
    letter-spacing: -0.025em;
}

.logo span {
    color: var(--primary);
}

.nav-links {
    display: flex;
    gap: 1.5rem;
}

.nav-links a {
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.9rem;
}

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

/* Hero Section */
.hero {
    padding: 8rem 0 4rem;
}

.hero .container {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 3rem;
    align-items: center;
}

.badge {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    background: rgba(37, 99, 235, 0.1);
    color: var(--primary);
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.hero h1 {
    font-size: 3rem;
    letter-spacing: -0.04em;
    margin-bottom: 1rem;
}

.hero .subtitle {
    font-size: 1.15rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    max-width: 500px;
}

.hero-info {
    margin-bottom: 2rem;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.4rem;
    font-size: 0.95rem;
}

.cta-group {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 0.6rem 1.2rem;
    border-radius: 0.4rem;
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition);
}

.btn-primary {
    background-color: var(--primary);
    color: white;
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-1px);
}

.btn-outline {
    border: 1px solid var(--border);
    color: var(--text);
}

.btn-outline:hover {
    background: var(--light);
}

.img-placeholder {
    width: 100%;
    aspect-ratio: 1;
    background: var(--light);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
}

.img-placeholder img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.img-placeholder.round {
    border-radius: 50%;
}

.hero-image {
    display: flex;
    justify-content: flex-end;
}

.hero-image .img-placeholder {
    max-width: 280px;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

/* Section Styling */
.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 3rem;
}

.section-header h2 {
    font-size: 2rem;
}

/* About Section */
.about-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 3rem;
}

.about-text h2 {
    margin-bottom: 1.5rem;
}

.principle-card {
    background: var(--card-bg);
    padding: 1.25rem;
    border-radius: 0.5rem;
    border: 1px solid var(--border);
    margin-bottom: 1rem;
}

.principle-card h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.principle-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* Card Grid */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.card {
    background: var(--card-bg);
    padding: 1.5rem;
    border-radius: 0.75rem;
    border: 1px solid var(--border);
    transition: var(--transition);
}

.card:hover {
    border-color: var(--primary);
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

.card-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.75rem;
}

.status-badge {
    font-size: 0.65rem;
    text-transform: uppercase;
    padding: 0.15rem 0.4rem;
    background: var(--light);
    border-radius: 4px;
    font-weight: 700;
}

.card-link {
    display: inline-block;
    margin-top: 1rem;
    font-weight: 600;
    font-size: 0.85rem;
}

/* Leadership */
.leadership-grid {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 3rem;
    align-items: center;
}

.leader-image .img-placeholder {
    max-width: 240px;
}

.role {
    color: var(--primary);
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.bio {
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

.info-links {
    display: flex;
    gap: 1rem;
    font-size: 0.9rem;
}

/* Footer */
.footer {
    padding: 3rem 0 1.5rem;
    font-size: 0.9rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer h4 {
    margin-bottom: 1rem;
    font-size: 1rem;
}

.footer-links ul li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: #94a3b8;
}

.footer-links a:hover {
    color: white;
}

.footer-bottom {
    padding-top: 1.5rem;
    border-top: 1px solid #334155;
    text-align: center;
    color: #64748b;
    font-size: 0.8rem;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.mobile-menu-toggle span {
    width: 22px;
    height: 2px;
    background: var(--text);
}

/* Responsive */
@media (max-width: 850px) {
    .hero .container, .about-grid, .leadership-grid, .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .hero {
        text-align: center;
        padding-top: 6rem;
    }

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

    .hero .subtitle {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-image, .leader-image {
        justify-content: center;
    }

    .hero-image {
        order: -1;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .nav-links {
        display: none;
    }

    .hero h1 {
        font-size: 2.25rem;
    }
}