:root {
    --bg: #1c1c1e;
    --surface: #2c2c2e;
    --surface-2: #3a3a3c;
    --text: #f2f2f7;
    --muted: #8e8e93;
    --accent: #0a84ff;
    --accent-dim: #0a84ff22;
    --ok: #30d158;
    --danger: #ff453a;
    --border: #48484a;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
}

body {
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.6;
}

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

a:hover { text-decoration: underline; }

.wrap {
    max-width: 880px;
    margin: 0 auto;
    padding: 28px 20px 72px;
}

.top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 36px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text);
    font-weight: 700;
    letter-spacing: 0.02em;
}

.brand:hover { text-decoration: none; }

.mark {
    width: 36px;
    height: 36px;
    border-radius: 9px;
    background: #2c2c2e;
    border: 1px solid var(--border);
    display: grid;
    place-items: center;
    color: #fff;
    font-weight: 800;
    box-shadow: inset 0 8px 0 #0a84ff;
}

.nav {
    display: flex;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap;
}

.nav a, .lang-btn {
    color: var(--muted);
    background: transparent;
    border: 1px solid transparent;
    border-radius: 999px;
    padding: 6px 12px;
    font: inherit;
    cursor: pointer;
}

.nav a:hover, .lang-btn:hover {
    color: var(--text);
    text-decoration: none;
}

.lang-btn[aria-pressed="true"] {
    color: var(--text);
    border-color: var(--border);
    background: var(--surface);
}

.hero { margin-bottom: 8px; }

.hero h1 {
    font-size: clamp(2rem, 5vw, 3.1rem);
    line-height: 1.15;
    margin: 0 0 12px;
}

.lede {
    font-size: 1.15rem;
    color: var(--muted);
    max-width: 38rem;
    margin: 0 0 20px;
}

.play-cta {
    display: inline-block;
    line-height: 0;
}

.play-cta:hover { text-decoration: none; }

.play-badge {
    height: 64px;
    width: auto;
    display: block;
}

.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 22px 20px;
}

.grid {
    display: grid;
    gap: 14px;
    margin: 28px 0;
}

@media (min-width: 720px) {
    .grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
}

.step h2, .card h2 {
    margin: 0 0 8px;
    font-size: 1.05rem;
}

.step p, .card p { margin: 0; color: var(--muted); }

.num {
    display: inline-block;
    color: var(--accent);
    font-weight: 700;
    margin-bottom: 6px;
}

.download {
    background: linear-gradient(180deg, var(--accent-dim), transparent 42%), var(--surface);
    margin-top: 8px;
}

.download p { margin-bottom: 12px; }

.features {
    margin: 28px 0 0;
    padding-left: 1.15rem;
    color: var(--muted);
}

.features li { margin: 0.35rem 0; }

.policy-wrap .card { padding: 28px 24px; }

.policy-wrap h1 { margin: 0 0 0.5rem; font-size: 1.85rem; }
.policy-wrap h2 { font-size: 1.15rem; margin: 2rem 0 0.75rem; }
.meta { color: var(--muted); margin: 0 0 1.5rem; }
.policy-wrap ul { padding-left: 1.25rem; }
.section-en {
    border-top: 1px solid var(--border);
    margin-top: 2.5rem;
    padding-top: 1.5rem;
}

footer {
    margin-top: 36px;
    color: var(--muted);
    font-size: 0.9rem;
}
