/* ============================================================
   equinox landing — minimal dark theme
   ============================================================ */

:root {
  --bg:        #0c0e12;
  --bg-alt:    #11141a;
  --surface:   #161a22;
  --surface-2: #1c212b;
  --border:    #252b36;
  --text:      #e7eaf0;
  --text-dim:  #99a1b3;
  --text-mute: #6b7280;
  --accent:    #5b9dff;
  --accent-dim:#2f4f80;
  --ok:        #4ade80;
  --warn:      #f59e0b;
  --radius:    10px;
  --maxw:      1080px;
  --mono: ui-monospace, "SFMono-Regular", "JetBrains Mono", "Fira Code", Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

a { color: inherit; text-decoration: none; }

code {
  font-family: var(--mono);
  font-size: 0.88em;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 1px 6px;
  color: #cdd6e6;
}

/* ---------- Nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(12, 14, 18, 0.82);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.brand__mark {
  color: var(--accent);
  font-size: 1.3rem;
  line-height: 1;
}
.nav__links {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 0.92rem;
}
.nav__links a { color: var(--text-dim); transition: color 0.15s; }
.nav__links a:hover { color: var(--text); }
.nav__cta {
  color: var(--text) !important;
  border: 1px solid var(--border);
  padding: 6px 14px;
  border-radius: 7px;
}
.nav__cta:hover { border-color: var(--accent-dim); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 11px 20px;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 500;
  border: 1px solid transparent;
  transition: transform 0.12s, background 0.15s, border-color 0.15s;
}
.btn:active { transform: translateY(1px); }
.btn--primary {
  background: var(--accent);
  color: #08111f;
  font-weight: 600;
}
.btn--primary:hover { background: #74adff; }
.btn--ghost {
  border-color: var(--border);
  color: var(--text-dim);
}
.btn--ghost:hover { border-color: var(--accent-dim); color: var(--text); }

/* ---------- Hero ---------- */
.hero { padding: 88px 0 72px; }
.eyebrow {
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 18px;
}
.hero__title {
  font-size: clamp(2.1rem, 5.2vw, 3.4rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
  font-weight: 700;
  margin: 0 0 20px;
  max-width: 18ch;
}
.hero__lead {
  font-size: 1.12rem;
  color: var(--text-dim);
  max-width: 60ch;
  margin: 0 0 30px;
}
.hero__actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* ---------- Terminal ---------- */
.terminal {
  margin-top: 48px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 24px 60px -30px rgba(0, 0, 0, 0.7);
}
.terminal__bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 11px 16px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.dot {
  width: 11px; height: 11px;
  border-radius: 50%;
  background: #39404d;
}
.terminal__title {
  margin-left: 8px;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--text-mute);
}
.terminal__body {
  margin: 0;
  padding: 20px 22px;
  font-family: var(--mono);
  font-size: 0.86rem;
  line-height: 1.7;
  color: #c3ccdc;
  overflow-x: auto;
}
.terminal__body code { background: none; border: none; padding: 0; color: inherit; }
.c-prompt { color: var(--accent); }
.c-ok { color: var(--ok); }
.c-hl { color: #fff; font-weight: 600; }
.c-comment { color: var(--text-mute); }

/* ---------- Stats ---------- */
.stats {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg-alt);
}
.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
}
.stat { padding: 34px 18px; text-align: center; }
.stat__num {
  font-size: 1.9rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 6px;
}
.stat__label {
  font-size: 0.85rem;
  color: var(--text-dim);
  max-width: 22ch;
  margin: 0 auto;
}

/* ---------- Sections ---------- */
.section { padding: 84px 0; }
.section--alt { background: var(--bg-alt); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section__title {
  font-size: clamp(1.6rem, 3.4vw, 2.1rem);
  letter-spacing: -0.02em;
  font-weight: 700;
  margin: 0 0 10px;
}
.section__sub {
  color: var(--text-dim);
  font-size: 1.05rem;
  max-width: 60ch;
  margin: 0 0 44px;
}

/* ---------- Cards ---------- */
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 22px;
  transition: border-color 0.15s, transform 0.15s;
}
.card:hover { border-color: var(--accent-dim); transform: translateY(-2px); }
.card__title {
  font-size: 1.08rem;
  font-weight: 600;
  margin: 0 0 10px;
}
.card p { margin: 0; color: var(--text-dim); font-size: 0.94rem; }

/* ---------- Performance ---------- */
.perf {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}
.perf__list {
  list-style: none;
  padding: 0;
  margin: 28px 0 0;
  display: grid;
  gap: 16px;
}
.perf__list li {
  position: relative;
  padding-left: 26px;
  color: var(--text-dim);
  font-size: 0.96rem;
}
.perf__list li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--accent);
}
.perf__list strong { color: var(--text); font-weight: 600; }

.perf__diagram {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 22px;
}
.flow { display: grid; gap: 26px; }
.flow__row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}
.flow__tag {
  font-family: var(--mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-mute);
  width: 100%;
  margin-bottom: 2px;
}
.flow__row--good .flow__tag { color: var(--accent); }
.pill {
  font-family: var(--mono);
  font-size: 0.78rem;
  padding: 5px 11px;
  border-radius: 6px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text);
}
.pill--muted { color: var(--text-mute); opacity: 0.7; }
.pill--accent {
  background: var(--accent-dim);
  border-color: var(--accent);
  color: #fff;
}
.arrow { color: var(--text-mute); font-size: 0.85rem; }

/* ---------- Run ---------- */
.run {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}
.run__heading {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-dim);
  margin: 0 0 14px;
}
.run__note {
  margin: 16px 0 0;
  font-size: 0.88rem;
  color: var(--text-mute);
}
.code {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.code__bar {
  padding: 9px 16px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  font-family: var(--mono);
  font-size: 0.76rem;
  color: var(--text-mute);
}
.code pre {
  margin: 0;
  padding: 18px 20px;
  overflow-x: auto;
  font-family: var(--mono);
  font-size: 0.83rem;
  line-height: 1.7;
}
.code code { background: none; border: none; padding: 0; color: #c3ccdc; }
.y-key { color: var(--accent); }
.y-str { color: #9ece6a; }
.y-num { color: #e0af68; }
.y-bool { color: #bb9af7; }

/* ---------- Tabs (quickstart) ---------- */
.tabs__list {
  display: inline-flex;
  gap: 4px;
  padding: 4px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 9px;
  margin-bottom: 22px;
}
.tabs__btn {
  font-family: var(--sans);
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-dim);
  background: transparent;
  border: none;
  padding: 8px 18px;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}
.tabs__btn:hover { color: var(--text); }
.tabs__btn.is-active {
  background: var(--accent);
  color: #08111f;
  font-weight: 600;
}
.tabs__panel { display: none; }
.tabs__panel.is-active { display: block; }

/* ---------- Settings table ---------- */
.settings {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
.settings th,
.settings td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
.settings thead th {
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-mute);
  font-weight: 600;
}
.settings td:nth-child(2) { color: var(--text-mute); white-space: nowrap; }
.settings td:last-child { color: var(--text-dim); }
.settings tbody tr:hover { background: var(--surface); }

/* ---------- CTA ---------- */
.cta { padding: 90px 0; text-align: center; }
.cta__inner { display: flex; flex-direction: column; align-items: center; }
.cta__title {
  font-size: clamp(1.7rem, 3.6vw, 2.3rem);
  letter-spacing: -0.02em;
  margin: 0 0 12px;
}
.cta__sub { color: var(--text-dim); margin: 0 0 28px; }

/* ---------- Footer ---------- */
.footer {
  border-top: 1px solid var(--border);
  padding: 28px 0;
}
.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.footer__meta { color: var(--text-mute); font-size: 0.85rem; }

/* ---------- Reveal animation ---------- */
.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.reveal.is-visible { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 880px) {
  .stats__grid { grid-template-columns: repeat(2, 1fr); }
  .cards { grid-template-columns: repeat(2, 1fr); }
  .perf { grid-template-columns: 1fr; gap: 32px; }
  .run { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .hero { padding: 60px 0 48px; }
  .section { padding: 60px 0; }
  .nav__links { gap: 16px; }
  .nav__links a:not(.nav__cta) { display: none; }
  .cards { grid-template-columns: 1fr; }
  .stats__grid { grid-template-columns: 1fr 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
}