:root {
    color-scheme: dark;
    --background: #0a0d12;
    --surface: #121722;
    --border: #293142;
    --text: #f4f7fb;
    --muted: #a6b0c3;
    --accent: #7ce2b8;
    --accent-dark: #102b23;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background:
        radial-gradient(circle at 15% 0%, rgba(53, 148, 115, 0.18), transparent 32rem),
        var(--background);
    color: var(--text);
    font: 16px/1.6 ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

main {
    width: min(1080px, calc(100% - 32px));
    margin: 0 auto;
    padding: 24px 0 64px;
}

nav {
    display: flex;
    justify-content: flex-end;
    gap: 20px;
}

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

header { padding: 88px 0 48px; max-width: 780px; }
.eyebrow { color: var(--accent); font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; }
h1 { font-size: clamp(2.7rem, 7vw, 5.5rem); line-height: 0.98; letter-spacing: -0.055em; margin: 12px 0 28px; }
h2 { font-size: 1.15rem; margin: 0 0 8px; }
.lede { color: var(--muted); font-size: clamp(1.05rem, 2vw, 1.3rem); max-width: 680px; }

.card {
    background: rgba(18, 23, 34, 0.9);
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 24px;
}

.try-it { display: flex; justify-content: space-between; gap: 28px; align-items: center; margin-bottom: 18px; }
.try-it p { color: var(--muted); margin: 0; }
.links { display: flex; flex-wrap: wrap; gap: 10px; justify-content: flex-end; }
.links a, button {
    border: 1px solid #3d9275;
    border-radius: 999px;
    background: var(--accent-dark);
    color: var(--accent);
    padding: 8px 14px;
    font: inherit;
    text-decoration: none;
    cursor: pointer;
}

.grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 18px; }
.card-heading { display: flex; justify-content: space-between; align-items: center; }
pre {
    margin: 18px 0 0;
    padding: 18px;
    overflow: auto;
    border-radius: 12px;
    background: #080b10;
    color: #d9f9ea;
    font: 13px/1.6 ui-monospace, SFMono-Regular, Consolas, monospace;
}
.code-card p, .note { color: var(--muted); }
.note { text-align: center; margin: 24px auto 0; }

.guide { max-width: 820px; }
.guide header { padding: 64px 0 20px; }
.guide h1 { font-size: clamp(2.4rem, 6vw, 4.2rem); }
.guide h2 { font-size: 1.4rem; margin-bottom: 12px; }
.guide section { margin-top: 44px; }
.guide section p { color: var(--muted); }
.guide code { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; }
.guide p code { color: var(--text); }
.guide pre { margin-top: 16px; }

@media (max-width: 760px) {
    header { padding-top: 60px; }
    .try-it, .grid { display: grid; grid-template-columns: 1fr; }
    .links { justify-content: flex-start; }
}