/* zook: warm parchment greys, one ink, soft cards. */
:root {
  --bg: #f0e9e3;
  --aside: #e5ded8;
  --ink: #1f1d1c;
  --ink-2: #34312f;
  --text: #807b76;
  --dim: #98928d;
  --line: rgba(64, 61, 58, 0.1);
  --line-2: rgba(64, 61, 58, 0.16);
  --card: rgba(64, 61, 58, 0.055);
  --card-2: rgba(64, 61, 58, 0.09);
  --field: rgba(255, 255, 255, 0.38);
  --good: #4f7a53;
  --bad: #a4483b;
  --rail: 62px;
  --r-card: 16px;
  color-scheme: light;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 400 15px/1.6 "Nunito", -apple-system, system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; }
button, input, textarea, select { font: inherit; color: inherit; }
h1, h2, h3, h4 { color: var(--ink); margin: 0; letter-spacing: -0.015em; }
p { margin: 0; }
::selection { background: rgba(64, 61, 58, 0.18); }

/* ---------- shell: rail + header ---------- */
.rail {
  position: fixed; inset: 0 auto 0 0; width: var(--rail); z-index: 50;
  background: var(--aside);
  display: flex; flex-direction: column; align-items: center; gap: 22px; padding: 18px 0;
}
.rail__mark { display: grid; place-items: center; width: 34px; height: 34px; color: var(--ink-2); }
.rail nav { display: flex; flex-direction: column; gap: 8px; }
.rail__item {
  width: 34px; height: 34px; border-radius: 8px; display: grid; place-items: center;
  color: var(--dim); text-decoration: none; position: relative; transition: background .15s, color .15s;
}
.rail__item:hover { background: var(--card); color: var(--ink-2); }
.rail__item.on { background: var(--card-2); color: var(--ink-2); box-shadow: inset 0 0 0 1px var(--line-2); }
.rail__item svg { width: 17px; height: 17px; }
.rail__item .tip {
  position: absolute; left: 44px; white-space: nowrap; font-size: 12.5px; font-weight: 700;
  background: var(--ink); color: var(--bg); padding: 3px 9px; border-radius: 6px;
  opacity: 0; pointer-events: none; transform: translateX(-4px); transition: .15s;
}
.rail__item:hover .tip { opacity: 1; transform: none; }

.top {
  position: fixed; top: 0; left: var(--rail); right: 0; height: 64px; z-index: 40;
  display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 0 24px;
  background: rgba(240, 233, 227, 0.6); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.top__brand { display: none; align-items: center; gap: 8px; text-decoration: none; color: var(--ink); font-weight: 900; font-size: 19px; letter-spacing: -0.03em; }
.top__right { display: flex; align-items: center; gap: 10px; margin-left: auto; }
.mobnav { display: none; }

.pill {
  display: inline-flex; align-items: center; gap: 8px; height: 36px; padding: 0 14px; border-radius: 999px;
  background: var(--card); border: 1px solid var(--line-2); color: var(--ink-2);
  font-size: 13.5px; font-weight: 700; cursor: pointer; text-decoration: none; transition: background .15s;
}
.pill:hover { background: var(--card-2); }
.pill small { color: var(--dim); font-weight: 700; letter-spacing: .06em; font-size: 11px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; height: 40px; padding: 0 18px;
  border-radius: 999px; border: 1px solid rgba(31, 29, 28, 0.22); cursor: pointer; text-decoration: none;
  background: linear-gradient(#f3eee9, #e3dcd6); color: var(--ink); font-weight: 700; font-size: 14.5px;
  box-shadow: 0 1px 0 rgba(255,255,255,.7) inset, 0 2px 6px rgba(64,61,58,.08); transition: transform .12s, box-shadow .15s;
}
.btn:hover { box-shadow: 0 1px 0 rgba(255,255,255,.7) inset, 0 4px 14px rgba(64,61,58,.13); }
.btn:active { transform: translateY(1px); }
.btn--ink { background: var(--ink); color: #f3eee9; border-color: var(--ink); box-shadow: 0 4px 14px rgba(31,29,28,.18); }
.btn--sm { height: 32px; padding: 0 13px; font-size: 13px; }
.btn[disabled] { opacity: .45; cursor: not-allowed; }
.link { color: var(--ink-2); font-weight: 700; text-underline-offset: 3px; }

/* ---------- page frame ---------- */
.page { margin-left: var(--rail); padding: 96px 32px 72px; max-width: calc(1180px + var(--rail)); }
.narrow { max-width: calc(860px + var(--rail)); }
.kick { font-size: 11.5px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; color: var(--dim); }
.lede { font-size: 15.5px; max-width: 62ch; }
.lede b { color: var(--ink-2); }

.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--r-card); padding: 24px;
}
.card--lift { background: var(--card-2); border-color: var(--line-2); }

/* ---------- home ---------- */
.hero { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 470px); gap: 28px; align-items: center; }
.hero__title { display: flex; align-items: center; gap: 14px; margin-bottom: 18px; }
.hero__title h1 {
  font-weight: 600; font-size: clamp(30px, 4vw, 40px); padding: 6px 12px;
  border: 1px solid rgba(64,61,58,.35); box-shadow: 0 0 0 4px var(--bg), 0 0 0 5px var(--line);
}
.chev { display: flex; }
.chev svg { width: 54px; height: 30px; }
.hero p { max-width: 54ch; color: var(--text); }
.hero .link { display: inline-block; margin-top: 4px; }

.slides { position: relative; border-radius: var(--r-card); background: var(--card-2); border: 1px solid var(--line); overflow: hidden; min-height: 168px; }
.slide { position: absolute; inset: 0; padding: 20px 22px; display: flex; flex-direction: column; gap: 6px; opacity: 0; pointer-events: none; transition: opacity .45s; }
.slide.on { opacity: 1; pointer-events: auto; }
.slide h2 { font-size: 26px; font-weight: 800; position: relative; }
.slide p { font-size: 13.5px; max-width: 30ch; position: relative; }
.slide .btn { margin-top: auto; align-self: flex-start; position: relative; }
.slide__art { position: absolute; right: -10px; top: -6px; width: 260px; height: 190px; opacity: .55; color: var(--ink-2); }
.dots { position: absolute; right: 18px; bottom: 18px; display: flex; gap: 8px; z-index: 2; }
.dots button { width: 22px; height: 22px; border-radius: 50%; border: 0; background: var(--card-2); display: grid; place-items: center; cursor: pointer; padding: 0; }
.dots button::after { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--dim); }
.dots button.on { background: #fff8; box-shadow: 0 1px 4px rgba(64,61,58,.15); }
.dots button.on::after { background: var(--ink); }

.versus { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 64px; }
.versus h3 { font-size: 21px; font-weight: 800; margin: 14px 0 12px; }
.versus p { font-size: 14px; line-height: 1.75; }
.versus .card { padding: 28px 24px 30px; }
.versus .card:first-child p { color: var(--dim); }

.steps-h { margin: 56px 0 18px; }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.step h3 { font-size: 15.5px; font-weight: 800; display: flex; align-items: center; gap: 12px; margin-bottom: 8px; }
.num { width: 24px; height: 24px; border-radius: 50%; background: var(--ink-2); color: var(--bg); display: grid; place-items: center; font-size: 12px; font-weight: 800; flex: none; }
.step p { font-size: 13.5px; padding-left: 36px; }

.close { margin-top: 64px; text-align: center; padding: 48px 24px; }
.close h2 { font-size: clamp(24px, 3vw, 32px); font-weight: 800; }
.close p { margin: 8px auto 22px; }
.close .row { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* ---------- hooks page ---------- */
.big { font-size: clamp(32px, 5vw, 50px); font-weight: 800; line-height: 1.08; letter-spacing: -0.03em; margin: 10px 0 18px; max-width: 18ch; }
.bar { display: flex; justify-content: space-between; align-items: baseline; margin: 40px 0 14px; gap: 12px; }
.grid10 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.tile { text-decoration: none; display: flex; flex-direction: column; border-radius: var(--r-card); background: var(--card); border: 1px solid var(--line); padding: 12px 14px 14px; transition: background .15s, transform .15s; }
.tile:hover { background: var(--card-2); transform: translateY(-2px); }
.tile svg { width: 100%; height: 120px; color: var(--ink-2); }
.tile__foot { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; margin-top: 6px; }
.tile__foot b { color: var(--ink); font-size: 14px; font-weight: 800; text-decoration: underline; text-underline-offset: 3px; }
.tag { font-size: 10.5px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; color: var(--dim); }

.detail { display: grid; grid-template-columns: 180px minmax(0, 1fr); gap: 22px; align-items: start; padding: 22px; border-radius: var(--r-card); background: var(--card); border: 1px solid var(--line); margin-bottom: 12px; scroll-margin-top: 84px; }
.detail svg { width: 100%; height: 130px; color: var(--ink-2); }
.detail h3 { font-size: 20px; font-weight: 800; display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.detail .one { color: var(--ink-2); font-weight: 700; margin: 4px 0 8px; }
.detail .why { font-size: 14px; max-width: 66ch; }
.split { display: flex; height: 10px; border-radius: 999px; overflow: hidden; margin: 16px 0 8px; background: var(--card-2); }
.split i { display: block; height: 100%; }
.legend { display: flex; flex-wrap: wrap; gap: 6px 16px; font-size: 12.5px; font-weight: 700; color: var(--ink-2); }
.legend span { display: inline-flex; align-items: center; gap: 6px; }
.legend span::before { content: ""; width: 9px; height: 9px; border-radius: 3px; background: var(--c); }
.detail .btn { margin-top: 16px; }

/* ---------- launch form ---------- */
.form-sec { margin-top: 18px; }
.form-sec__h { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 18px; }
.form-sec__h h2 { font-size: 17px; font-weight: 800; display: flex; align-items: center; gap: 12px; }
.fields { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 16px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: 11px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; color: var(--dim); }
.field input, .field textarea, .field select {
  background: var(--field); border: 1px solid var(--line-2); border-radius: 10px; padding: 10px 13px; outline: none; color: var(--ink-2);
  transition: border-color .15s, box-shadow .15s; width: 100%;
}
.field textarea { resize: vertical; min-height: 92px; }
.field input:focus, .field textarea:focus { border-color: rgba(64,61,58,.4); box-shadow: 0 0 0 3px rgba(64,61,58,.08); }
.field .hint { font-size: 12px; color: var(--dim); }
.drop { border: 1px dashed var(--line-2); border-radius: 10px; background: var(--field); min-height: 92px; display: grid; place-items: center; text-align: center; font-size: 13px; cursor: pointer; padding: 10px; position: relative; overflow: hidden; }
.drop img { max-height: 84px; border-radius: 8px; }
.drop input { position: absolute; inset: 0; opacity: 0; cursor: pointer; }

.pick { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; }
.pick button { text-align: left; border-radius: 12px; border: 1px solid var(--line-2); background: var(--field); padding: 10px 12px; cursor: pointer; display: flex; flex-direction: column; gap: 2px; transition: .15s; }
.pick button:hover { background: var(--card-2); }
.pick button b { color: var(--ink); font-size: 13.5px; }
.pick button span { font-size: 11.5px; color: var(--dim); }
.pick button.on { background: var(--ink); border-color: var(--ink); }
.pick button.on b, .pick button.on span { color: #f3eee9; }

.compiled { margin-top: 16px; padding: 16px; border-radius: 12px; background: var(--field); border: 1px solid var(--line); }
.compiled .meta { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; font-size: 12.5px; margin-top: 10px; }
.compiled code { font: 600 12px/1.5 ui-monospace, "SF Mono", Menlo, monospace; color: var(--ink-2); word-break: break-word; }

.review { display: grid; grid-template-columns: 1fr auto; gap: 16px; align-items: center; }
.status { font-size: 13.5px; margin-top: 14px; min-height: 22px; }
.status.ok { color: var(--good); }
.status.err { color: var(--bad); }
.log { list-style: none; padding: 0; margin: 12px 0 0; font-size: 13px; display: grid; gap: 4px; }
.log li { display: flex; gap: 8px; }
.log li::before { content: "·"; color: var(--dim); }
.log a { color: var(--ink-2); font-weight: 700; }

/* ---------- launches ---------- */
.empty { text-align: center; padding: 48px 20px; }
.empty h3 { font-size: 18px; margin-bottom: 6px; }
.coin { display: grid; grid-template-columns: 56px minmax(0, 1fr) auto; gap: 16px; align-items: center; }
.coin img { width: 56px; height: 56px; border-radius: 12px; object-fit: cover; background: var(--card-2); }
.coin h3 { font-size: 17px; font-weight: 800; }
.coin .sub { font-size: 12.5px; color: var(--dim); }
.coin .sub a { color: var(--ink-2); font-weight: 700; }
.runner { margin-top: 18px; padding-top: 18px; border-top: 1px solid var(--line); }
.runner table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.runner td { padding: 7px 0; border-bottom: 1px solid var(--line); }
.runner td:last-child { text-align: right; color: var(--ink-2); font-weight: 700; }
.runner .note { font-size: 12px; color: var(--dim); font-weight: 400; }
.stack { display: grid; gap: 14px; }

/* ---------- docs ---------- */
.doc h2 { font-size: 19px; font-weight: 800; margin: 34px 0 10px; }
.doc p, .doc li { font-size: 14.5px; line-height: 1.8; }
.doc ul { padding-left: 20px; }
.doc li b, .doc p b { color: var(--ink-2); }
.callout { margin-top: 12px; padding: 18px 20px; border-radius: 12px; background: var(--card-2); border: 1px solid var(--line-2); color: var(--ink-2); }
.doc code { font: 600 13px ui-monospace, Menlo, monospace; background: var(--card-2); padding: 1px 6px; border-radius: 5px; color: var(--ink-2); }

.foot { margin-left: var(--rail); padding: 24px 32px 36px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; font-size: 12.5px; color: var(--dim); }
.foot a { color: var(--ink-2); font-weight: 700; text-decoration: none; }

/* ---------- small screens ---------- */
@media (max-width: 980px) {
  .hero { grid-template-columns: 1fr; }
  .grid10 { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  :root { --rail: 0px; }
  .rail { display: none; }
  .top { padding: 0 16px; height: 56px; }
  .top__brand { display: inline-flex; }
  .mobnav { display: flex; gap: 2px; overflow-x: auto; position: fixed; top: 56px; left: 0; right: 0; z-index: 39; padding: 6px 12px; background: rgba(240,233,227,.92); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); scrollbar-width: none; }
  .mobnav a { flex: none; padding: 6px 11px; border-radius: 999px; font-size: 13px; font-weight: 700; text-decoration: none; color: var(--dim); }
  .mobnav a.on { background: var(--card-2); color: var(--ink-2); }
  .page { padding: 116px 16px 56px; }
  .foot { padding: 20px 16px 28px; }
  .versus, .fields { grid-template-columns: 1fr; }
  .hero__title { gap: 8px; }
  .chev svg { width: 34px; }
  .detail { grid-template-columns: 1fr; }
  .detail svg { height: 110px; }
  .review { grid-template-columns: 1fr; }
  .coin { grid-template-columns: 48px minmax(0, 1fr); }
  .coin > :last-child { grid-column: 1 / -1; }
  .pill.ca { display: none; }
}
@media (max-width: 420px) { .grid10 { grid-template-columns: 1fr; } }
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }