/* ---------- reset + tokens ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

:root {
  --bg: #0a0a0a;
  --bg-elev: #111111;
  --bg-elev-2: #161616;
  --border: #1f1f1f;
  --border-strong: #2a2a2a;
  --text: #e5e5e5;
  --text-dim: #a0a0a0;
  --text-mute: #666666;
  --accent: #8b5cf6;
  --accent-dim: #6d28d9;
  --accent-soft: rgba(139, 92, 246, 0.12);
  --green: #22c55e;
  --green-soft: rgba(34, 197, 94, 0.12);
  --max: 1120px;
  --radius: 10px;
  --radius-sm: 6px;
  --font-sans: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'DM Mono', ui-monospace, 'SFMono-Regular', Menlo, monospace;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  background-image: radial-gradient(ellipse 80% 50% at 50% -20%, rgba(139, 92, 246, 0.08), transparent);
}

a { color: inherit; text-decoration: none; }
code { font-family: var(--font-mono); font-size: 0.9em; }
h1, h2, h3, h4 { margin: 0; font-weight: 600; letter-spacing: -0.02em; }
p { margin: 0; }
em { font-style: italic; color: var(--accent); font-weight: 500; }

/* ---------- nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  background: rgba(10, 10, 10, 0.7);
  border-bottom: 1px solid var(--border);
}
.nav__inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.nav__logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.nav__logo-icon { width: 22px; height: 22px; color: var(--text); }
.nav__logo-text { font-size: 15px; }
.nav__links { display: flex; gap: 28px; }
.nav__link {
  font-size: 14px;
  color: var(--text-dim);
  transition: color 120ms ease;
}
.nav__link:hover { color: var(--text); }
@media (max-width: 640px) { .nav__links { display: none; } }

/* ---------- hero ---------- */
.hero {
  max-width: var(--max);
  margin: 0 auto;
  padding: 96px 24px 80px;
  text-align: center;
}
.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: var(--green-soft);
  border: 1px solid rgba(34, 197, 94, 0.3);
  border-radius: 999px;
  font-size: 13px;
  color: var(--green);
  font-weight: 500;
  margin-bottom: 32px;
}
.hero__badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px var(--green);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }
.hero__title {
  font-size: clamp(40px, 7vw, 68px);
  line-height: 1.05;
  letter-spacing: -0.035em;
  font-weight: 600;
  margin-bottom: 24px;
}
.hero__desc {
  font-size: clamp(16px, 2vw, 19px);
  color: var(--text-dim);
  max-width: 560px;
  margin: 0 auto 40px;
  line-height: 1.55;
}
.hero__install {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: var(--bg-elev);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  padding: 4px 4px 4px 18px;
  margin-bottom: 32px;
  font-family: var(--font-mono);
  font-size: 14px;
}
.hero__install-code { color: var(--text); }
.hero__install-copy {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  color: var(--text-dim);
  cursor: pointer;
  transition: background 120ms ease, color 120ms ease;
}
.hero__install-copy:hover { background: var(--bg-elev-2); color: var(--text); }
.hero__install-copy.copied { color: var(--green); }
.hero__actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 56px;
}
.hero__proof {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  font-size: 13px;
  color: var(--text-mute);
  flex-wrap: wrap;
  justify-content: center;
}
.hero__proof-item strong { color: var(--text-dim); font-weight: 500; }
.hero__proof-dot { width: 3px; height: 3px; border-radius: 50%; background: var(--text-mute); }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 20px;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 500;
  transition: background 120ms ease, border-color 120ms ease;
  border: 1px solid transparent;
  cursor: pointer;
}
.btn--primary { background: var(--text); color: var(--bg); border-color: var(--text); }
.btn--primary:hover { background: #ffffff; border-color: #ffffff; }
.btn--ghost { background: transparent; color: var(--text); border-color: var(--border-strong); }
.btn--ghost:hover { background: var(--bg-elev); border-color: #3a3a3a; }
.btn--sm { padding: 8px 14px; font-size: 13px; }

/* ---------- section scaffolding ---------- */
.section-inner { max-width: var(--max); margin: 0 auto; padding: 80px 24px; }
.section-inner--narrow { max-width: 760px; }
.section-eyebrow {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}
.section-title {
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.15;
  letter-spacing: -0.025em;
  margin-bottom: 16px;
  max-width: 680px;
}
.section-subtitle {
  font-size: 16px;
  color: var(--text-dim);
  max-width: 640px;
  line-height: 1.6;
  margin-bottom: 48px;
}
.section-subtitle code {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  padding: 2px 7px;
  border-radius: 4px;
  color: var(--text);
}

/* ---------- why section ---------- */
.why { border-top: 1px solid var(--border); }
.why__body {
  display: flex;
  flex-direction: column;
  gap: 20px;
  max-width: 640px;
  font-size: 17px;
  line-height: 1.65;
  color: var(--text-dim);
}
.why__body p { margin: 0; }
.why__body code {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  padding: 2px 8px;
  border-radius: 4px;
  color: var(--text);
  font-size: 14px;
}
.why__body a { color: var(--text); border-bottom: 1px solid var(--border-strong); transition: border-color 120ms ease; }
.why__body a:hover { border-color: var(--accent); }
.why__body a code { border-color: var(--border-strong); }
.why__emphasis {
  font-size: 22px;
  color: var(--text);
  font-weight: 500;
  letter-spacing: -0.01em;
  padding: 4px 0;
}
.why__body em { color: var(--accent); font-weight: 500; }

/* ---------- code block ---------- */
.quickstart { border-top: 1px solid var(--border); }
.code-block {
  background: var(--bg-elev);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  overflow: hidden;
  max-width: 760px;
}
.code-block__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  background: var(--bg-elev-2);
  border-bottom: 1px solid var(--border);
}
.code-block__lang { font-family: var(--font-mono); font-size: 12px; color: var(--text-mute); }
.code-block__copy {
  background: transparent;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  color: var(--text-dim);
  padding: 4px 10px;
  font-size: 12px;
  font-family: var(--font-sans);
  cursor: pointer;
  transition: background 120ms ease, color 120ms ease;
}
.code-block__copy:hover { background: var(--bg); color: var(--text); }
.code-block__copy.copied { color: var(--green); border-color: rgba(34, 197, 94, 0.4); }
.code-block__body {
  margin: 0;
  padding: 20px 24px;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--text);
}
.code-block__body code { font-size: inherit; }
.tok-keyword { color: #c084fc; }
.tok-string { color: #86efac; }
.tok-fn { color: #7dd3fc; }
.tok-comment { color: var(--text-mute); font-style: italic; }
.quickstart__note { max-width: 760px; margin: 20px 0 0; font-size: 14px; color: var(--text-mute); }
.quickstart__note a { color: var(--accent); }
.quickstart__note a:hover { color: #a78bfa; }

/* ---------- dogfood section ---------- */
.dogfood { border-top: 1px solid var(--border); }
.dogfood__diagram {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 24px;
  align-items: stretch;
  margin-bottom: 56px;
  max-width: 900px;
}
@media (max-width: 820px) {
  .dogfood__diagram { grid-template-columns: 1fr; gap: 12px; }
}
.dogfood__node {
  background: var(--bg-elev);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  padding: 22px 22px 20px;
}
.dogfood__node--client { border-left: 2px solid var(--accent); }
.dogfood__node--server { border-left: 2px solid var(--green); }
.dogfood__node-label {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-mute);
  display: block;
  margin-bottom: 8px;
}
.dogfood__node-title {
  display: block;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--text);
  margin-bottom: 10px;
  font-weight: 500;
}
.dogfood__node-desc { font-size: 13px; color: var(--text-dim); line-height: 1.55; }
.dogfood__node-desc code {
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 1px 5px;
  border-radius: 3px;
  color: var(--text-dim);
  font-size: 12px;
}
.dogfood__arrow {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  color: var(--text-mute);
  padding: 0 8px;
}
.dogfood__arrow-label {
  font-family: var(--font-mono);
  font-size: 11px;
  white-space: nowrap;
  color: var(--text-mute);
}
.dogfood__arrow svg { width: 120px; height: 24px; }
@media (max-width: 820px) { .dogfood__arrow { transform: rotate(90deg); } }

.dogfood__product {
  background: var(--bg-elev);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  padding: 28px;
  max-width: 900px;
}
.dogfood__product-header { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.dogfood__product-badge {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  padding: 3px 9px;
  background: var(--green-soft);
  color: var(--green);
  border: 1px solid rgba(34, 197, 94, 0.3);
  border-radius: 999px;
}
.dogfood__product-name { font-size: 18px; font-weight: 600; }
.dogfood__product-desc {
  color: var(--text-dim);
  font-size: 14.5px;
  line-height: 1.6;
  margin-bottom: 24px;
  max-width: 700px;
}
.dogfood__product-stats {
  display: flex;
  gap: 36px;
  padding: 18px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin-bottom: 24px;
  flex-wrap: wrap;
}
.dogfood__stat { display: flex; flex-direction: column; gap: 4px; }
.dogfood__stat-value {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 500;
  color: var(--text);
  letter-spacing: -0.01em;
}
.dogfood__stat-label { font-size: 12px; color: var(--text-mute); letter-spacing: 0.02em; }
.dogfood__product-links { display: flex; gap: 10px; flex-wrap: wrap; }
.dogfood__pipeline {
  margin-top: 32px;
  font-size: 13px;
  color: var(--text-mute);
  max-width: 900px;
}
.dogfood__pipeline span { color: var(--text-dim); font-weight: 500; }

/* ---------- footer ---------- */
.footer { border-top: 1px solid var(--border); margin-top: 40px; }
.footer__inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 64px 24px 40px;
  display: grid;
  grid-template-columns: 1.4fr 2fr;
  gap: 48px;
}
@media (max-width: 720px) {
  .footer__inner { grid-template-columns: 1fr; gap: 32px; }
}
.footer__brand .nav__logo { margin-bottom: 16px; }
.footer__tagline { font-size: 13px; color: var(--text-mute); line-height: 1.6; }
.footer__cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
@media (max-width: 520px) {
  .footer__cols { grid-template-columns: repeat(2, 1fr); }
}
.footer__col { display: flex; flex-direction: column; gap: 10px; }
.footer__col-title {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-mute);
  margin-bottom: 6px;
}
.footer__link { font-size: 13.5px; color: var(--text-dim); transition: color 120ms ease; }
.footer__link:hover { color: var(--text); }
.footer__bottom {
  max-width: var(--max);
  margin: 0 auto;
  padding: 24px;
  border-top: 1px solid var(--border);
  font-size: 12px;
  color: var(--text-mute);
  text-align: center;
}