@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700&family=Space+Grotesk:wght@500;700&display=swap');

:root {
    --bg-main: #07090E;
    --bg-surface: #0E131F;
    --bg-glass: rgba(14, 19, 31, 0.75);
    --border-glass: rgba(255, 255, 255, 0.08);
    --accent-cyan: #38BDF8;
    --accent-purple: #C084FC;
    --accent-rose: #FB7185;
    --text-main: #F8FAFC;
    --text-muted: #94A3B8;
    --font-head: 'Space Grotesk', system-ui, sans-serif;
    --font-body: 'Plus Jakarta Sans', system-ui, sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-main);
    color: var(--text-main);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    width: 100%;
}

.container {
    width: 100%;
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Glass Header Navigation */
.header-wrap {
    position: fixed;
    top: 1.25rem;
    left: 0;
    right: 0;
    z-index: 1000;
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1.75rem;
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-glass);
    border-radius: 100px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.5);
}

.brand-logo {
    font-family: var(--font-head);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-main);
    text-decoration: none;
    letter-spacing: -0.02em;
}

.nav-menu {
    display: flex;
    gap: 1.75rem;
    list-style: none;
    align-items: center;
}

.nav-menu a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.3s ease;
}

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

.btn-cta {
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
    color: #FFF !important;
    padding: 0.65rem 1.5rem;
    border-radius: 100px;
    font-weight: 600 !important;
    text-decoration: none;
    display: inline-block;
    box-shadow: 0 10px 25px rgba(56, 189, 248, 0.25);
    transition: transform 0.3s ease;
}

.btn-cta:hover {
    transform: translateY(-2px);
}

/* Hero Section */
.hero-section {
    padding: 10rem 0 6rem 0;
    min-height: 95vh;
    display: flex;
    align-items: center;
    position: relative;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 3.5rem;
    align-items: center;
}

.hero-title {
    font-family: var(--font-head);
    font-size: clamp(3rem, 5.5vw, 5.5rem);
    line-height: 1.02;
    letter-spacing: -0.04em;
    margin-bottom: 1.5rem;
}

.text-gradient {
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-desc {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    max-width: 540px;
}

/* Floating Student Caricature Box */
.caricature-box {
    background: var(--bg-surface);
    border: 1px solid var(--border-glass);
    border-radius: 32px;
    padding: 2.5rem;
    text-align: center;
    position: relative;
    box-shadow: 0 30px 60px rgba(0,0,0,0.6);
    animation: floatAnim 6s ease-in-out infinite;
}

@keyframes floatAnim {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-18px); }
}

.caricature-svg {
    width: 100%;
    max-width: 260px;
    height: auto;
    margin: 0 auto 1.5rem auto;
}

/* Cards & Section Grids */
.section-tag {
    color: var(--accent-cyan);
    font-weight: 700;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    display: block;
    margin-bottom: 0.5rem;
}

.section-head {
    font-family: var(--font-head);
    font-size: clamp(2.2rem, 3.5vw, 3.2rem);
    margin-bottom: 3rem;
    letter-spacing: -0.02em;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.glass-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-glass);
    border-radius: 24px;
    padding: 2.25rem;
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.glass-card:hover {
    transform: translateY(-8px);
    border-color: var(--accent-cyan);
}

.glass-card h3 {
    font-family: var(--font-head);
    font-size: 1.35rem;
    margin-bottom: 0.75rem;
}

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

/* Footer */
.footer-wrap {
    background: #040609;
    border-top: 1px solid var(--border-glass);
    padding: 4.5rem 0 2rem 0;
    margin-top: 6rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2.5rem;
    margin-bottom: 3.5rem;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-glass);
    color: var(--text-muted);
    font-size: 0.85rem;
}

@media (max-width: 900px) {
    .hero-grid { grid-template-columns: 1fr; }
    .nav-menu { display: none; }
}