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

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

:root {
    --bg-dark: #0a0a0f;
    --bg-card: #14141f;
    --bg-card-hover: #1c1c2e;
    --bg-surface: #111118;
    --accent: #7c5cfc;
    --accent-light: #a78bfa;
    --accent-glow: rgba(124, 92, 252, 0.25);
    --text: #e2e0ea;
    --text-muted: #9490a6;
    --text-dim: #6b6681;
    --purple: #a855f7;
    --blue: #3b82f6;
    --green: #22c55e;
    --orange: #f59e0b;
    --cyan: #06b6d4;
    --pink: #ec4899;
    --radius: 16px;
    --radius-sm: 10px;
}

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

.container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }

/* ── 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 1.5rem;
}

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

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    font-size: 1.1rem;
}

.nav-icon { font-size: 1.4rem; }

.nav-links {
    display: flex;
    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); }

/* ── Hero (split layout) ────────────── */

.hero {
    position: relative;
    padding: 4rem 1.5rem 2rem;
    overflow: hidden;
    background: radial-gradient(ellipse at 30% 20%, rgba(124, 92, 252, 0.2) 0%, transparent 50%),
                radial-gradient(ellipse at 70% 80%, rgba(59, 130, 246, 0.08) 0%, transparent 50%),
                var(--bg-dark);
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(
        0deg, transparent, transparent 60px,
        rgba(124, 92, 252, 0.03) 60px, rgba(124, 92, 252, 0.03) 61px
    ),
    repeating-linear-gradient(
        90deg, transparent, transparent 60px,
        rgba(124, 92, 252, 0.03) 60px, rgba(124, 92, 252, 0.03) 61px
    );
}

.hero-split {
    position: relative;
    z-index: 1;
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 3rem;
    align-items: center;
}

.hero-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: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    margin-bottom: 1.25rem;
    text-transform: uppercase;
}

.hero h1 {
    font-size: 2.8rem;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 1rem;
    color: #fff;
}

.hero-accent {
    background: linear-gradient(135deg, var(--accent-light) 0%, var(--cyan) 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-tagline {
    font-size: 1.05rem;
    color: var(--text-muted);
    max-width: 520px;
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.hero-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.25rem;
}

.chip {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 50px;
    padding: 0.3rem 0.75rem;
    font-size: 0.78rem;
    color: var(--text);
    white-space: nowrap;
}

.hero-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.tech-tag {
    background: rgba(124, 92, 252, 0.12);
    border: 1px solid rgba(124, 92, 252, 0.25);
    color: var(--accent-light);
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    font-size: 0.72rem;
    font-weight: 600;
    font-family: "SF Mono", "Fira Code", "Consolas", monospace;
}

.hero-image {
    position: relative;
}

.hero-image img,
.hero-image video {
    width: 100%;
    border-radius: var(--radius);
    border: 1px solid rgba(124, 92, 252, 0.2);
    box-shadow:
        0 4px 30px rgba(124, 92, 252, 0.15),
        0 0 80px rgba(124, 92, 252, 0.08);
    transition: transform 0.3s;
}

.hero-image img:hover,
.hero-image video:hover {
    transform: scale(1.02);
}

/* ── Stats bar ───────────────────────── */

.stats-bar {
    background: var(--bg-surface);
    border-top: 1px solid rgba(124, 92, 252, 0.1);
    border-bottom: 1px solid rgba(124, 92, 252, 0.1);
    padding: 1.5rem 0;
}

.stats-bar .container {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
}

.stat { text-align: center; min-width: 70px; }

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: #fff;
    line-height: 1.2;
}

.stat-label {
    display: block;
    font-size: 0.7rem;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 600;
}

/* ── Section headings ────────────────── */

.section-tag {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent-light);
    text-align: center;
    margin-bottom: 0.4rem;
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 0.5rem;
    color: #fff;
}

.section-subtitle {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 2.5rem;
}

/* ── Screenshots ─────────────────────── */

.screenshots { padding: 4rem 0; }

.screenshot-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
    margin-top: 1.5rem;
}

.screenshot-card {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid rgba(124, 92, 252, 0.15);
    transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
    background: var(--bg-card);
}

.screenshot-card:hover {
    transform: translateY(-4px);
    border-color: rgba(124, 92, 252, 0.4);
    box-shadow: 0 8px 40px rgba(124, 92, 252, 0.12);
}

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

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

.screenshot-caption {
    padding: 1rem 1.25rem;
    background: linear-gradient(transparent, rgba(10, 10, 15, 0.95));
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
}

.screenshot-caption strong {
    display: block;
    font-size: 0.95rem;
    color: #fff;
}

.screenshot-caption span {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* ── Features ─────────────────────────── */

.features { padding: 4rem 0; }

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.feature-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 1.75rem;
    border: 1px solid rgba(255, 255, 255, 0.06);
    transition: transform 0.2s, border-color 0.2s, background 0.2s;
}

.feature-card:hover {
    transform: translateY(-2px);
    background: var(--bg-card-hover);
}

.feature-card.accent-purple:hover { border-color: var(--purple); }
.feature-card.accent-blue:hover { border-color: var(--blue); }
.feature-card.accent-green:hover { border-color: var(--green); }
.feature-card.accent-orange:hover { border-color: var(--orange); }
.feature-card.accent-cyan:hover { border-color: var(--cyan); }
.feature-card.accent-pink:hover { border-color: var(--pink); }

.feature-icon-wrap {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.accent-purple .feature-icon-wrap { background: rgba(168, 85, 247, 0.12); }
.accent-blue .feature-icon-wrap { background: rgba(59, 130, 246, 0.12); }
.accent-green .feature-icon-wrap { background: rgba(34, 197, 94, 0.12); }
.accent-orange .feature-icon-wrap { background: rgba(245, 158, 11, 0.12); }
.accent-cyan .feature-icon-wrap { background: rgba(6, 182, 212, 0.12); }
.accent-pink .feature-icon-wrap { background: rgba(236, 72, 153, 0.12); }

.feature-card h3 {
    font-size: 1.05rem;
    margin-bottom: 0.5rem;
    color: #fff;
}

.feature-card p {
    font-size: 0.88rem;
    color: var(--text-muted);
    line-height: 1.6;
}

.feature-card p strong { color: var(--text); }
.feature-card p em { color: var(--accent-light); font-style: normal; }

/* ── Tools ────────────────────────────── */

.tools-section { padding: 4rem 0; }

.tools-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.6rem;
}

.tool-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 50px;
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
    color: var(--text);
    transition: border-color 0.2s, background 0.2s;
}

.tool-chip:hover {
    border-color: var(--accent);
    background: var(--bg-card-hover);
}

.tool-icon { font-size: 1rem; }

/* ── Pipeline ─────────────────────────── */

.pipeline-section { padding: 4rem 0; }

.pipeline-flow {
    display: flex;
    align-items: stretch;
    justify-content: center;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin: 1.5rem 0;
}

.pipeline-stage {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-sm);
    padding: 1.25rem;
    min-width: 150px;
    flex: 1;
    max-width: 220px;
    text-align: center;
}

.stage-icon {
    font-size: 1.5rem;
    margin-bottom: 0.4rem;
}

.stage-header {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent-light);
    margin-bottom: 0.75rem;
}

.stage-body {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.provider-tag {
    font-size: 0.82rem;
    color: var(--text-muted);
    padding: 0.2rem 0;
}

.pipeline-arrow {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    color: var(--text-dim);
    font-weight: 300;
}

.pipeline-note {
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-dim);
}

.pipeline-note strong { color: var(--accent-light); }

/* ── WebSocket ────────────────────────── */

.ws-section { padding: 4rem 0; }

.ws-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}

.ws-card {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-sm);
    padding: 1.25rem;
    text-align: center;
}

.ws-card code {
    display: block;
    font-size: 0.85rem;
    color: var(--accent-light);
    font-weight: 600;
    margin-bottom: 0.5rem;
    font-family: "SF Mono", "Fira Code", "Consolas", monospace;
}

.ws-card span {
    font-size: 0.8rem;
    color: var(--text-dim);
    line-height: 1.5;
}

/* ── Getting Started ──────────────────── */

.getting-started { padding: 4rem 0 5rem; }

.steps-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 1rem;
}

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

.step-number {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--accent);
    color: #fff;
    font-size: 1.2rem;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
}

.step h3 {
    font-size: 1.1rem;
    color: #fff;
    margin-bottom: 0.5rem;
}

.step code {
    display: inline-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: 0.5rem;
}

.step p {
    font-size: 0.85rem;
    color: var(--text-dim);
}

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

.footer {
    text-align: center;
    padding: 2.5rem 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer p { color: var(--text-dim); font-size: 0.85rem; }
.footer strong { color: var(--text); }
.footer a { color: var(--accent-light); text-decoration: none; }
.footer a:hover { text-decoration: underline; }
.footer-sub { margin-top: 0.5rem; font-size: 0.75rem; opacity: 0.6; }

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

@media (max-width: 900px) {
    .hero-split { grid-template-columns: 1fr; gap: 2rem; }
    .hero h1 { font-size: 2.2rem; }
    .hero-image { order: -1; }
    .feature-grid { grid-template-columns: 1fr 1fr; }
    .ws-grid { grid-template-columns: repeat(2, 1fr); }
    .steps-row { grid-template-columns: 1fr; }
    .nav-links { display: none; }
}

@media (max-width: 600px) {
    .hero { padding: 2rem 1rem 1.5rem; }
    .hero h1 { font-size: 1.8rem; }
    .stats-bar .container { gap: 1.5rem; }
    .stat-number { font-size: 1.5rem; }
    .screenshot-grid { grid-template-columns: 1fr; }
    .screenshot-wide { grid-column: auto; }
    .feature-grid { grid-template-columns: 1fr; }
    .ws-grid { grid-template-columns: 1fr; }
    .pipeline-flow { flex-direction: column; align-items: center; }
    .pipeline-arrow { transform: rotate(90deg); }
    .pipeline-stage { max-width: 100%; }
}