/* Design tokens. Dark by default; light under prefers-color-scheme. */
:root {
  --bg: #0b1416;
  --bg-alt: #0f1b1e;
  --surface: #132226;
  --border: #22363b;
  --text: #e6eef0;
  --muted: #95a8ad;
  --accent: #2dd4bf;
  --accent-ink: #04211d;
  --accent-2: #f5b82e;
  --code-bg: #0a1012;
  --shadow: 0 24px 60px -24px rgb(0 0 0 / 0.7);

  --claude: #e07a5f;
  --codex: #3fb68b;
  --opencode: #a78bfa;
  --cursor: #38bdf8;

  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  --radius: 14px;
  --wrap: 1120px;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f7fafa;
    --bg-alt: #eef4f4;
    --surface: #ffffff;
    --border: #d5e1e2;
    --text: #0e1c1f;
    --muted: #4c6166;
    --accent: #0d9488;
    --accent-ink: #ffffff;
    --accent-2: #b7791f;
    --code-bg: #e7efef;
    --shadow: 0 24px 60px -28px rgb(14 40 44 / 0.35);

    --claude: #c2532f;
    --codex: #1f8a63;
    --opencode: #7c5cdb;
    --cursor: #0b7fb5;
  }
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-wrap: break-word;
}

img { max-width: 100%; height: auto; display: block; }

a { color: var(--accent); text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

code, kbd {
  font-family: var(--mono);
  font-size: 0.9em;
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.05em 0.35em;
}

h1, h2, h3 { line-height: 1.15; letter-spacing: -0.02em; margin: 0 0 0.5em; }
h1 { font-size: clamp(2.2rem, 5.5vw, 3.6rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.3rem); }
h3 { font-size: 1.1rem; letter-spacing: -0.01em; }
p { margin: 0 0 1em; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 16px; }
@media (min-width: 720px) { .wrap { padding: 0 32px; } }

.skip {
  position: absolute; left: -9999px; top: 8px;
  background: var(--accent); color: var(--accent-ink); padding: 8px 12px; border-radius: 8px; z-index: 10;
}
.skip:focus { left: 8px; }

/* Nav */
.nav {
  position: sticky; top: 0; z-index: 5;
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; height: 60px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font-weight: 700; }
.brand img { border-radius: 7px; }
.nav nav { display: flex; gap: 20px; }
.nav nav a { color: var(--muted); text-decoration: none; font-size: 0.95rem; }
.nav nav a:hover { color: var(--text); }
@media (max-width: 640px) { .nav nav a:not(:last-child) { display: none; } }

/* Hero */
.hero { padding: 56px 0 72px; }
.hero-grid { display: grid; gap: 40px; align-items: center; }
@media (min-width: 960px) { .hero-grid { grid-template-columns: 1.05fr 1fr; gap: 56px; } }
.eyebrow {
  color: var(--accent); font-family: var(--mono); font-size: 0.85rem;
  text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 0.8em;
}
.hl { color: var(--accent); }
.hl::after { content: "_"; color: var(--accent-2); margin-left: 0.05em; animation: blink 1.1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.lede { font-size: 1.15rem; color: var(--muted); max-width: 34em; }

.cta { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0 18px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 46px; padding: 0 20px; border-radius: 10px;
  border: 1px solid var(--border); background: var(--surface); color: var(--text);
  font-weight: 600; text-decoration: none;
}
.btn:hover { border-color: var(--accent); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn-primary:hover { filter: brightness(1.08); }

.install {
  display: flex; align-items: center; gap: 8px; max-width: 420px;
  background: var(--code-bg); border: 1px solid var(--border); border-radius: 10px; padding: 6px 6px 6px 14px;
}
.install code { background: none; border: 0; padding: 0; flex: 1; font-size: 0.95rem; overflow-x: auto; white-space: nowrap; }
.install code::before { content: "> "; color: var(--accent-2); }
.copy {
  font: inherit; font-size: 0.85rem; cursor: pointer;
  background: var(--surface); color: var(--text); border: 1px solid var(--border); border-radius: 7px; padding: 6px 12px;
}
.copy:hover { border-color: var(--accent); }

.agents { list-style: none; padding: 0; margin: 24px 0 0; display: flex; flex-wrap: wrap; gap: 8px 18px; color: var(--muted); font-size: 0.95rem; }
.agents li { display: flex; align-items: center; gap: 8px; }
.dot { width: 9px; height: 9px; border-radius: 50%; }
.dot-claude { background: var(--claude); }
.dot-codex { background: var(--codex); }
.dot-opencode { background: var(--opencode); }
.dot-cursor { background: var(--cursor); }

/* Screenshots */
.shot { margin: 0; }
.shot img { border-radius: var(--radius); border: 1px solid var(--border); box-shadow: var(--shadow); }
.hero-shot img { max-height: 620px; width: auto; margin: 0 auto; }

/* Sections */
.section { padding: 72px 0; }
.section.alt { background: var(--bg-alt); border-block: 1px solid var(--border); }
.sub { color: var(--muted); max-width: 44em; }

.cards { list-style: none; padding: 0; margin: 28px 0 0; display: grid; gap: 16px; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
.cards-3 { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px 22px; }
.card h3::before { content: "▸ "; color: var(--accent); }
.card p { color: var(--muted); margin: 0; font-size: 0.97rem; }

.split { display: grid; gap: 40px; align-items: center; }
@media (min-width: 960px) {
  .split { grid-template-columns: 1fr 1.25fr; gap: 56px; }
  .split.reverse > :first-child { order: 2; }
  .split.reverse { grid-template-columns: 1.25fr 1fr; }
}

.ticks { list-style: none; padding: 0; margin: 20px 0; }
.ticks li { position: relative; padding-left: 26px; margin-bottom: 12px; color: var(--muted); }
.ticks li strong { color: var(--text); }
.ticks li::before { content: "✓"; position: absolute; left: 0; color: var(--accent); font-weight: 700; }
.note { font-size: 0.92rem; color: var(--muted); border-left: 3px solid var(--accent-2); padding-left: 12px; }

.steps { counter-reset: step; list-style: none; padding: 0; margin: 28px 0; display: grid; gap: 14px; max-width: 760px; }
.steps li { counter-increment: step; position: relative; padding: 16px 20px 16px 64px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); }
.steps li::before {
  content: counter(step); position: absolute; left: 18px; top: 14px;
  width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center;
  background: var(--accent); color: var(--accent-ink); font-weight: 700; font-family: var(--mono);
}

/* Footer */
.footer { border-top: 1px solid var(--border); padding: 32px 0 40px; font-size: 0.93rem; }
.footer p { margin: 0 0 6px; }
.muted { color: var(--muted); }

/* 404 */
.notfound { min-height: 70vh; display: grid; place-items: center; text-align: center; padding: 48px 0; }
.notfound .code { font-family: var(--mono); color: var(--accent-2); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hl::after { animation: none; }
}