/* ── Reset & base ───────────────────────────────── */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg: #0a0a0a;
    --surface: #141414;
    --surface-hover: #1c1c1c;
    --border: #2a2a2a;
    --text: #e5e5e5;
    --text-muted: #888;
    --accent: #3b82f6;
    --accent-glow: rgba(59, 130, 246, 0.15);
    --radius: 16px;
    --transition: 0.25s ease;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
}

/* ── Container ─────────────────────────────────── */
.container {
    width: 100%;
    max-width: 960px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* ── Hero ───────────────────────────────────────── */
.hero {
    padding: 5rem 0 3rem;
    text-align: center;
}

.hero h1 {
    font-size: clamp(2.2rem, 5vw, 3.5rem);
    font-weight: 700;
    letter-spacing: -0.03em;
}

.accent {
    color: var(--accent);
}

.tagline {
    margin-top: 0.75rem;
    font-size: 1.15rem;
    color: var(--text-muted);
    font-weight: 400;
}

/* ── App Grid ──────────────────────────────────── */
.apps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
    padding-bottom: 4rem;
}

/* ── App Card ──────────────────────────────────── */
.app-card {
    display: flex;
    flex-direction: column;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2rem;
    text-decoration: none;
    color: inherit;
    transition: background var(--transition),
                border-color var(--transition),
                box-shadow var(--transition),
                transform var(--transition);
}

.app-card:hover,
.app-card:focus-visible {
    background: var(--surface-hover);
    border-color: var(--accent);
    box-shadow: 0 0 0 4px var(--accent-glow);
    transform: translateY(-4px);
    outline: none;
}

.app-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    line-height: 1;
}

.app-card h2 {
    font-size: 1.35rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.app-description {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
    flex: 1;
}

/* ── Tags ──────────────────────────────────────── */
.app-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    list-style: none;
    margin-top: 1.25rem;
}

.app-tags li {
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: 0.3rem 0.65rem;
    border-radius: 6px;
    background: rgba(59, 130, 246, 0.1);
    color: var(--accent);
    border: 1px solid rgba(59, 130, 246, 0.2);
}

/* ── Card link label ───────────────────────────── */
.app-link {
    display: inline-block;
    margin-top: 1.25rem;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--accent);
    transition: letter-spacing var(--transition);
}

.app-card:hover .app-link {
    letter-spacing: 0.03em;
}

/* ── Footer ────────────────────────────────────── */
footer {
    margin-top: auto;
    padding: 2rem 0;
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-muted);
    border-top: 1px solid var(--border);
}

/* ── Responsive ────────────────────────────────── */
@media (max-width: 480px) {
    .hero {
        padding: 3.5rem 0 2rem;
    }

    .apps-grid {
        grid-template-columns: 1fr;
    }

    .app-card {
        padding: 1.5rem;
    }
}