:root {
  --wood: #1a100c;
  --wood-deep: #120b08;
  --ink: #ecd9b9;
  --mute: #b89870;
  --tan: #dec19a;
  --line: rgba(222, 193, 154, .28);
  --accent: #c9a477;
  --max: 68rem;
  --sans: "DM Sans", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  position: relative;
  display: flex;
  flex-direction: column;
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background: var(--wood-deep);
  font: 1rem/1.6 var(--sans);
  -webkit-font-smoothing: antialiased;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  content: "";
  background: url("img/wood.png") center top / 512px 512px repeat;
  opacity: .88;
}

body > * { position: relative; z-index: 1; }
a { color: inherit; }
a:focus-visible, button:focus-visible { outline: 2px solid var(--tan); outline-offset: 4px; }

.skip { position: absolute; left: -9999px; top: 0; }
.skip:focus { left: 1rem; top: 1rem; padding: .5rem 1rem; background: var(--ink); color: var(--wood); z-index: 2; }

.top, main, .site-footer { width: min(100% - 3rem, var(--max)); margin: 0 auto; }
main { flex: 1; }
.top { display: flex; align-items: center; justify-content: space-between; padding: 1.35rem 0; border-bottom: 1px solid var(--line); }

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 0;
  color: var(--ink);
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: -.04em;
  text-decoration: none;
}

.wordmark img { display: block; width: 2.7rem; height: 2.7rem; }
.top__nav { display: flex; align-items: center; gap: 1.25rem; }
.top__deployment { color: var(--tan); text-decoration: none; }
.top__deployment:hover, .text-link:hover { color: var(--ink); }

.top__cta, .cta, .outline-link {
  display: inline-flex;
  align-items: center;
  gap: .65rem;
  padding: .62rem .85rem;
  border: 1px solid var(--tan);
  text-decoration: none;
  font-weight: 600;
}

.top__cta, .cta { background: var(--tan); color: var(--wood-deep); }
.top__cta:hover, .cta:hover { background: var(--ink); border-color: var(--ink); }
.outline-link { color: var(--tan); background: transparent; }
.outline-link:hover { color: var(--ink); border-color: var(--ink); }

.hero { max-width: 55rem; padding: clamp(6rem, 15vw, 11rem) 0 clamp(5rem, 11vw, 8rem); }
h1, h2 { color: var(--ink); letter-spacing: -.055em; line-height: 1.05; font-weight: 600; }
h1 { max-width: 11ch; margin: 0 0 1.5rem; font-size: clamp(3.2rem, 8vw, 6.6rem); }
h2 { margin: 0; font-size: clamp(2rem, 4.6vw, 3.5rem); }
.lede { max-width: 32rem; margin: 0 0 2rem; color: var(--mute); font-size: clamp(1.05rem, 2vw, 1.2rem); }
.hero__actions { display: flex; align-items: center; gap: .85rem; flex-wrap: wrap; }

.terminal-section, .pricing, .steps, .principles, .closing { border-top: 1px solid var(--line); }
.terminal-section { padding: clamp(3.5rem, 7vw, 6rem) 0; }
.terminal-section__header { display: grid; grid-template-columns: 1fr auto; gap: 2rem; align-items: end; margin-bottom: 2rem; }
.terminal-section h2 { font-size: clamp(1.7rem, 3.6vw, 2.7rem); }
.terminal-section p { max-width: 34rem; margin: .5rem 0 0; color: var(--mute); }
.install { display: flex; min-width: 0; align-items: center; gap: .8rem; padding: .9rem 1rem; border: 1px solid var(--line); background: rgba(222, 193, 154, .08); }
.install code { min-width: 0; overflow: auto; white-space: nowrap; color: var(--ink); font: .8rem var(--mono); }
.install button { flex: none; padding: .35rem .65rem; border: 1px solid var(--line); background: transparent; color: var(--mute); font: .72rem var(--mono); cursor: pointer; }
.install button:hover { border-color: var(--tan); color: var(--tan); }
.install-tabs { display: flex; gap: .25rem; margin-bottom: .5rem; }
.install-tabs button { padding: .35rem .7rem; border: 1px solid transparent; background: transparent; color: var(--mute); font: .72rem var(--mono); cursor: pointer; }
.install-tabs button:hover { color: var(--tan); }
.install-tabs button[aria-selected="true"] { border-color: var(--line); color: var(--ink); background: rgba(222, 193, 154, .08); }
.mode-tabs { display: inline-flex; gap: .3rem; margin-bottom: 1.75rem; }
.mode-tabs button { padding: .4rem .95rem; border: 1px solid var(--line); background: #2a1a12; color: var(--mute); font: 700 .78rem var(--mono); cursor: pointer; }
.mode-tabs button:hover { color: var(--ink); }
.mode-tabs button[aria-selected="true"] { border-color: var(--tan); background: var(--tan); color: var(--wood-deep); }
[hidden] { display: none !important; }
.install__cta { flex: none; margin-left: auto; padding: .45rem .9rem; font-size: .8rem; }
.text-link { color: var(--tan); font: 500 .85rem var(--mono); text-decoration: none; }

.pricing { border-top: 1px solid var(--line); padding: clamp(3.5rem, 7vw, 6rem) 0; }
.pricing__intro { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; align-items: end; }
.pricing__intro h2 { max-width: 17ch; font-size: clamp(1.9rem, 4vw, 3.2rem); }
.pricing__intro p { max-width: 28rem; margin: 0; color: var(--mute); }
.pricing-flow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; margin: 3.5rem 0 0; padding: 0; list-style: none; }
.pricing-flow li { padding-top: 1rem; border-top: 1px solid var(--line); }
.pricing-flow strong { display: block; margin-bottom: .5rem; color: var(--ink); font-size: 1.05rem; }
.pricing-flow span { display: block; color: var(--mute); font-size: .95rem; line-height: 1.5; }

.subscribe { border-top: 1px solid var(--line); padding: clamp(3.5rem, 7vw, 6rem) 0; }
.subscribe-tiers { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.5rem; margin: 3.5rem 0 0; padding: 0; list-style: none; }
.subscribe-tiers li { display: flex; flex-direction: column; gap: .6rem; padding: 1.5rem; border: 1px solid var(--line); background: rgba(222, 193, 154, .05); }
.subscribe-tiers__featured { border-color: var(--accent); background: rgba(201, 164, 119, .1); }
.subscribe-tiers h3 { margin: 0; color: var(--ink); font-size: 1.15rem; }
.subscribe-tiers__price { margin: 0; color: var(--ink); font: 500 2.1rem var(--mono); letter-spacing: -.03em; }
.subscribe-tiers__price span { color: var(--mute); font-size: 1rem; }
.subscribe-tiers__desc { flex: 1; margin: 0; color: var(--mute); font-size: .92rem; line-height: 1.5; }
.subscribe-tiers__quant { display: flex; gap: 1.1rem; margin: 0; padding: .9rem 0 0; border-top: 1px solid var(--line); list-style: none; }
.subscribe-tiers__quant li { display: flex; flex-direction: column; }
.subscribe-tiers__quant strong { color: var(--ink); font: 500 1.05rem var(--mono); letter-spacing: -.02em; }
.subscribe-tiers__quant span { margin-top: .15rem; color: var(--mute); font-size: .68rem; line-height: 1.3; }
.subscribe-tiers li > a { align-self: flex-start; margin-top: .5rem; }
.subscribe__note { max-width: 48rem; margin: 2.5rem 0 0; color: var(--mute); font-size: .9rem; line-height: 1.6; }
.subscribe__note a { color: var(--tan); text-decoration: none; }
.subscribe__note a:hover { color: var(--ink); }

.steps { padding: clamp(3.5rem, 7vw, 6rem) 0; }
.steps-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; margin: 3rem 0 0; padding: 0; list-style: none; }
.steps-list li { padding-top: 1rem; border-top: 1px solid var(--line); }
.steps-list h3 { margin: 0 0 .5rem; color: var(--ink); font-size: 1.05rem; }
.steps-list p { margin: 0; color: var(--mute); font-size: .95rem; }
.steps__action { margin-top: 2.5rem; }

.principles { padding: clamp(3.5rem, 7vw, 6rem) 0; }
.principles__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; margin-top: 3rem; }
.principles__grid > div { padding-top: 1rem; border-top: 1px solid var(--line); }
.principles h3 { margin: 0 0 .5rem; color: var(--ink); font-size: 1.05rem; }
.principles p { margin: 0; color: var(--mute); font-size: .95rem; }

.closing { display: flex; align-items: end; justify-content: space-between; gap: 2rem; padding: clamp(3.5rem, 7vw, 6rem) 0; }
.closing h2 { max-width: 16ch; }

.formula { border-top: 1px solid var(--line); padding: clamp(3.5rem, 7vw, 6rem) 0; text-align: center; }
.formula h2 { font-size: clamp(1.7rem, 3.6vw, 2.7rem); }
.formula__eq { display: inline-flex; flex-direction: column; align-items: center; margin-top: 2.5rem; font: 500 clamp(1.3rem, 3vw, 2rem) var(--mono); letter-spacing: -.02em; }
.formula__num { padding-bottom: .6rem; border-bottom: 2px solid var(--tan); color: var(--ink); }
.formula__den { padding-top: .6rem; color: var(--ink); }

.site-footer { padding: 1.5rem 0 2rem; border-top: 1px solid var(--line); color: var(--mute); font-size: .85rem; }
.site-footer__inner { display: flex; align-items: center; gap: 2rem; }
.site-footer a { margin-left: auto; color: var(--mute); text-decoration: none; }
.site-footer a:hover { color: var(--tan); }
.site-footer p { margin: 0; }

@media (max-width: 800px) {
  .terminal-section__header { grid-template-columns: 1fr; align-items: start; }
  .pricing__intro { grid-template-columns: 1fr; align-items: start; }
  .pricing-flow { grid-template-columns: repeat(2, 1fr); }
  .subscribe-tiers { grid-template-columns: 1fr; }
  .steps-list, .principles__grid { grid-template-columns: 1fr; gap: 2rem; }
}

@media (max-width: 640px) {
  .top, main, .site-footer { width: min(100% - 2rem, var(--max)); }
  .top { align-items: flex-start; }
  .top__nav { gap: .75rem; }
  .top__cta { padding: .5rem .65rem; font-size: .85rem; }
  .hero { padding-top: 5rem; }
  .install { align-items: stretch; flex-direction: column; }
  .install button { align-self: flex-start; }
  .pricing-flow { grid-template-columns: 1fr; gap: 2rem; }
  .closing { align-items: start; flex-direction: column; }
  h1 { font-size: clamp(3rem, 15vw, 4.5rem); }
  .site-footer__inner { flex-wrap: wrap; gap: .6rem 1rem; }
  .site-footer a { margin-left: 0; }
  .site-footer p { width: 100%; }
}

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }