/* Hello World — Reachy Mini DevKit Landing Page */

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

:root {
    --bg: #0a0a0f;
    --bg-card: #14141f;
    --accent: #7c5cfc;
    --accent-light: #a78bfa;
    --text: #e2e0ea;
    --text-muted: #9490a6;
    --text-dim: #6b6681;
    --radius: 14px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: var(--text);
    background: var(--bg);
    min-height: 100vh;
}

/* ── Nav ─────────────────────────────── */

.nav {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(10, 10, 15, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(124, 92, 252, 0.1);
    padding: 0.75rem 2rem;
}

.nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-brand { font-weight: 700; font-size: 1.05rem; }

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

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.88rem;
    font-weight: 500;
    transition: color 0.2s;
}

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

.nav-docs {
    background: rgba(124, 92, 252, 0.15) !important;
    border: 1px solid rgba(124, 92, 252, 0.3);
    padding: 0.25rem 0.75rem !important;
    border-radius: 6px;
    color: var(--accent-light) !important;
}

/* ── Hero ────────────────────────────── */

.hero {
    padding: 5rem 2rem 3rem;
    text-align: center;
    background: radial-gradient(ellipse at 50% 0%, rgba(124, 92, 252, 0.15) 0%, transparent 60%);
}

.hero-content {
    max-width: 700px;
    margin: 0 auto;
}

.badge {
    display: inline-block;
    background: rgba(124, 92, 252, 0.15);
    border: 1px solid rgba(124, 92, 252, 0.3);
    color: var(--accent-light);
    padding: 0.3rem 0.9rem;
    border-radius: 50px;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    color: #fff;
    margin-bottom: 1rem;
}

.hero-sub {
    font-size: 1.15rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.stats {
    display: flex;
    justify-content: center;
    gap: 2.5rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.stat {
    font-size: 0.8rem;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.stat strong {
    color: #fff;
    font-size: 1.4rem;
    font-weight: 800;
    display: block;
    line-height: 1.2;
}

.tech-row {
    display: flex;
    justify-content: center;
    gap: 0.4rem;
    flex-wrap: wrap;
    margin-bottom: 3rem;
}

.tech-row span {
    background: rgba(124, 92, 252, 0.1);
    border: 1px solid rgba(124, 92, 252, 0.2);
    color: var(--accent-light);
    padding: 0.15rem 0.55rem;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 600;
    font-family: "SF Mono", "Fira Code", "Consolas", monospace;
}

.hero-img {
    max-width: 1100px;
    margin: 0 auto;
}

.hero-img img {
    width: 100%;
    border-radius: var(--radius);
    border: 1px solid rgba(124, 92, 252, 0.2);
    box-shadow: 0 4px 60px rgba(124, 92, 252, 0.12);
}

/* ── Showcase (gallery grid) ─────────── */

.showcase {
    padding: 4rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.card {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid rgba(124, 92, 252, 0.12);
    background: var(--bg-card);
    transition: transform 0.25s, border-color 0.25s;
}

.card:hover {
    transform: translateY(-3px);
    border-color: rgba(124, 92, 252, 0.35);
}

.wide { grid-column: 1 / -1; }

.card img,
.card video {
    width: 100%;
    height: auto;
    display: block;
}

.label {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 0.9rem 1.1rem;
    background: linear-gradient(transparent, rgba(10, 10, 15, 0.92));
}

.label strong {
    display: block;
    font-size: 0.9rem;
    color: #fff;
}

.label span {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* ── Install ─────────────────────────── */

.install {
    padding: 4rem 2rem 5rem;
    text-align: center;
}

.install h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 1.5rem;
}

.install-row {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.install-step {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius);
    padding: 1.5rem 2rem;
    text-align: center;
    min-width: 260px;
}

.step-n {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--accent);
    color: #fff;
    font-weight: 700;
    font-size: 0.9rem;
    margin-bottom: 0.75rem;
}

.install-step code {
    display: block;
    background: rgba(124, 92, 252, 0.1);
    color: var(--accent-light);
    padding: 0.3rem 0.75rem;
    border-radius: 6px;
    font-size: 0.85rem;
    font-family: "SF Mono", "Fira Code", "Consolas", monospace;
    margin-bottom: 0.4rem;
}

.step-note {
    font-size: 0.8rem;
    color: var(--text-dim);
}

/* ── Footer ──────────────────────────── */

.footer {
    text-align: center;
    padding: 2rem 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer p { color: var(--text-dim); font-size: 0.82rem; }
.footer strong { color: var(--text); }
.footer a { color: var(--accent-light); text-decoration: none; }
.footer a:hover { text-decoration: underline; }
.footer-sub { margin-top: 0.4rem; font-size: 0.72rem; opacity: 0.6; }

/* ── Responsive ──────────────────────── */

@media (max-width: 900px) {
    .hero h1 { font-size: 2.5rem; }
    .nav-links a:not(.nav-docs) { display: none; }
}

@media (max-width: 600px) {
    .hero { padding: 3rem 1rem 2rem; }
    .hero h1 { font-size: 2rem; }
    .stats { gap: 1.5rem; }
    .stat strong { font-size: 1.1rem; }
    .grid { grid-template-columns: 1fr; }
    .wide { grid-column: auto; }
    .install-row { flex-direction: column; align-items: center; }
}