:root {
    --bg-color: #0a0a0a;
    --bg-darker: #050505;
    --text-color: #e5e5e5;
    --text-muted: #a3a3a3;
    --accent-color: #3b82f6;
    /* Electric Blue */
    --accent-hover: #2563eb;
    --secondary-accent: #8b5cf6;
    /* Violet */
    --font-main: 'Inter', sans-serif;
    --nav-height: 70px;
}

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

body {
    font-family: var(--font-main);
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s ease;
}

ul {
    list-style: none;
}

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

h1 {
    font-size: 3.5rem;
    letter-spacing: -0.02em;
    background: linear-gradient(to right, #fff, #999);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

h2.section-title {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    text-align: center;
    position: relative;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
}

h2.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-color), var(--secondary-accent));
    border-radius: 2px;
}

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

.section {
    padding: 100px 0;
}

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

/* Navbar */
.navbar {
    height: var(--nav-height);
    background: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.05em;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-muted);
}

.nav-links a:hover {
    color: #fff;
}

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

#hero-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    opacity: 0.4;
}

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

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-primary {
    background: var(--accent-color);
    color: #fff;
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4);
}

.btn-secondary {
    border: 2px solid var(--accent-color);
    color: var(--accent-color);
}

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

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

.grid-2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 4rem;
}

/* Cards */
.card {
    background: rgba(255, 255, 255, 0.03);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: transform 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.05);
}

.card h3 {
    color: var(--accent-color);
    margin-bottom: 1rem;
}

.card p {
    color: var(--text-muted);
}

/* Module Grid */
.module-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1.5rem;
}

.module-card {
    background: rgba(255, 255, 255, 0.02);
    padding: 1.5rem;
    border-radius: 8px;
    border-left: 3px solid var(--secondary-accent);
    transition: all 0.3s ease;
}

.module-card:hover {
    background: rgba(255, 255, 255, 0.05);
    transform: translateX(5px);
}

.module-number {
    display: block;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--secondary-accent);
    margin-bottom: 0.5rem;
    opacity: 0.7;
}

.module-card h4 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

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

/* Content Block */
.content-block {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.cta-box {
    margin-top: 3rem;
    padding: 2rem;
    background: rgba(59, 130, 246, 0.1);
    border-radius: 12px;
    border: 1px solid rgba(59, 130, 246, 0.2);
}

.cta-box p {
    margin-bottom: 1.5rem;
}

/* News Card */
.news-card .date {
    font-size: 0.85rem;
    color: var(--accent-color);
    font-weight: 600;
    display: block;
    margin-bottom: 0.5rem;
}

.read-more {
    display: inline-block;
    margin-top: 1rem;
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 500;
}

.read-more:hover {
    color: var(--accent-color);
}

/* Split Layout (Master) */
.split-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.feature-list {
    margin: 1.5rem 0;
    list-style: none;
}

.feature-list li {
    margin-bottom: 0.5rem;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-muted);
}

.feature-list li::before {
    content: '•';
    color: var(--accent-color);
    position: absolute;
    left: 0;
    font-weight: bold;
}

.mt-4 {
    margin-top: 2rem;
}

.abstract-graphic {
    width: 100%;
    height: 300px;
    background: radial-gradient(circle at 30% 30%, rgba(59, 130, 246, 0.2), transparent 50%),
        radial-gradient(circle at 70% 70%, rgba(139, 92, 246, 0.2), transparent 50%);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

/* Project Grid */
.section-intro {
    text-align: center;
    color: var(--text-muted);
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

.project-card {
    background: rgba(255, 255, 255, 0.03);
    border-radius: 12px;
    overflow: hidden;
    transition: transform 0.3s ease;
}

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

.project-image {
    height: 200px;
    width: 100%;
}

.project-info {
    padding: 1.5rem;
}

.project-info h4 {
    color: #fff;
    margin-bottom: 0.5rem;
}

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

/* People Grid */
.people-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1.5rem;
}

.person-card {
    background: rgba(255, 255, 255, 0.02);
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.03);
    text-align: center;
    transition: background 0.3s ease;
}

.person-card:hover {
    background: rgba(255, 255, 255, 0.05);
}

.person-card h4 {
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
    color: #fff;
}

.person-card .role {
    font-size: 0.85rem;
    color: var(--accent-color);
}

/* Mobile Adjustments */
@media (max-width: 768px) {
    .split-layout {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .abstract-graphic {
        height: 200px;
    }
}

/* Footer */
footer {
    padding: 3rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: auto;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-links a {
    color: var(--text-muted);
    margin-left: 2rem;
    font-size: 0.9rem;
}

.footer-links a:hover {
    color: #fff;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

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

/* Mobile */
@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }

    .nav-links {
        display: none;
    }

    .burger {
        display: block;
        /* Add burger menu styles here if implementing JS toggle */
    }
}