@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=Plus+Jakarta+Sans:wght@600;700;800&display=swap');

:root {
    /* Sophisticated Palette */
    --navy-950: #020617;
    --navy-900: #0f172a;
    --navy-800: #1e293b;
    --blue-500: #3b82f6;
    --blue-600: #2563eb;
    --emerald-500: #10b981;
    --slate-50: #f8fafc;
    --slate-200: #e2e8f0;
    --slate-400: #94a3b8;
    --slate-600: #475569;

    /* Variables */
    --bg: var(--slate-50);
    --text: var(--navy-900);
    --text-muted: var(--slate-600);
    --primary: var(--blue-600);
    --radius: 12px;
    --container-px: 1.5rem;
    --transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
}

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4,
.heading {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

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

ul {
    list-style: none;
}

img {
    max-width: 100%;
    display: block;
}

/* Layout Components */
.container {
    padding: 0 var(--container-px);
    max-width: 1200px;
    margin: 0 auto;
}

section {
    padding: 4rem 0;
}

/* Typographic Utils */
.text-balance {
    text-wrap: balance;
}

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

.text-gradient {
    background: linear-gradient(135deg, var(--navy-900), var(--blue-600));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* UI Elements */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 0.9375rem;
    cursor: pointer;
    border: 1px solid transparent;
    gap: 0.5rem;
    transition: var(--transition);
}

.btn-primary {
    background: var(--navy-900);
    color: white;
}

.btn-primary:hover {
    background: var(--navy-950);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px -5px rgba(15, 23, 42, 0.3);
}

.btn-secondary {
    background: white;
    border-color: var(--slate-200);
    color: var(--navy-900);
}

.btn-secondary:hover {
    border-color: var(--navy-900);
    background: var(--slate-50);
}

/* Glassmorphism Header */
header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(248, 250, 252, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(226, 232, 240, 0.5);
    padding: 0.75rem 0;
}

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

.logo {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-weight: 800;
    font-size: 1.25rem;
    color: var(--navy-900);
    display: flex;
    align-items: center;
    gap: 0.625rem;
}

.nav-links {
    display: none;
    /* Mobile first */
}

/* Mobile Menu Overlay */
.mobile-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100dvh;
    background: white;
    z-index: 2000;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
    transform: translateX(100%);
    transition: var(--transition);
}

.mobile-nav.active {
    transform: translateX(0);
}

.mobile-nav-link {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--navy-900);
}

/* Grid System (Mobile First) */
.bento-grid {
    display: grid;
    gap: 1rem;
    grid-template-columns: 1fr;
}

.bento-item {
    background: white;
    border: 1px solid var(--slate-200);
    border-radius: var(--radius);
    padding: 1.5rem;
    transition: var(--transition);
}

.bento-item:hover {
    border-color: var(--blue-500);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.05);
}

/* Reveal Animation */
.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Footer (Mobile First) */
footer {
    background: var(--navy-950);
    color: white;
    padding: 4rem 0 2rem;
}

.footer-grid {
    display: grid;
    gap: 3rem;
}

.footer-col h4 {
    color: white;
    margin-bottom: 1.5rem;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    opacity: 0.6;
}

.footer-links a {
    display: block;
    color: var(--slate-400);
    margin-bottom: 0.75rem;
    font-size: 0.9375rem;
}

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

/* Desktop Enhancements */
@media (min-width: 1024px) {
    section {
        padding: 8rem 0;
    }

    .nav-links {
        display: flex;
        gap: 2.5rem;
    }

    .nav-link {
        font-size: 0.9375rem;
        font-weight: 500;
        color: var(--slate-600);
    }

    .nav-link:hover,
    .nav-link.active {
        color: var(--navy-900);
    }

    .bento-grid {
        grid-template-columns: repeat(12, 1fr);
    }

    .footer-grid {
        grid-template-columns: 2fr 1fr 1fr 1fr;
    }
}