/* =========================================================
   Team PJ — Interlock
   ========================================================= */

:root {
  --bg: #ffffff;
  --bg-soft: #f6f5f0;
  --ink: #16130f;
  --ink-2: #3a362f;
  --muted: #66625b;
  --line: #e7e4dc;
  --line-2: #d6d2c8;
  --accent: #ff4d1c;      /* small signals only: status dots, ㅈ/ㅂ */
  --accent-ink: #cf3d0b;  /* text and buttons on white (≥ 4.5:1) */
  --accent-wash: #fff2ec;
  --radius: 14px;
  --container: 1120px;
  --nav-h: 68px;
  --font: "Inter", "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Segoe UI", sans-serif;
  --font-kr: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  background: var(--bg);
  color: var(--ink);
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  -webkit-text-size-adjust: 100%;
}
body {
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.6;
  background: var(--bg);
  color: var(--ink);
  word-break: keep-all;
  overflow-wrap: break-word;
}
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
ol, ul { list-style: none; }
svg { display: block; }
::selection { background: var(--ink); color: #fff; }
:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; border-radius: 6px; }

html[data-lang="ko"] .en, html[data-lang="en"] .ko { display: none !important; }
.sr-only {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0);
  white-space: nowrap; border: 0;
}

.container--narrow { max-width: 760px; }
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 clamp(20px, 4vw, 32px); }
section[id], main[id] { scroll-margin-top: calc(var(--nav-h) + 8px); }

/* ---------- Atoms ---------- */
.brand { display: inline-flex; align-items: center; gap: 10px; }
.brand__mark { display: block; flex: none; width: auto; height: 22px; fill: var(--ink); }
.brand__name { font-weight: 700; font-size: 17px; letter-spacing: -.02em; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 46px;
  padding: 0 20px;
  border-radius: 10px;
  border: 1px solid transparent;
  font-weight: 600;
  font-size: 15.5px;
  letter-spacing: -.01em;
  white-space: nowrap;
  transition: background-color .2s, border-color .2s, color .2s, transform .2s;
}
.btn:active { transform: translateY(1px); }
.btn--primary { background: var(--ink); color: #fff; }
.btn--primary:hover { background: #000; }
.btn--ghost { background: #fff; border-color: var(--line-2); color: var(--ink); }
.btn--ghost:hover { border-color: var(--ink); }
.btn--accent { background: var(--accent-ink); color: #fff; }
.btn--accent:hover { background: #b23206; }
.btn--sm { height: 36px; padding: 0 14px; font-size: 14px; border-radius: 8px; }

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--bg-soft);
  font-size: 13.5px;
  font-weight: 500;
  color: var(--ink-2);
}
.dot { position: relative; display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: var(--accent); flex: none; }
.dot--live::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: var(--accent);
  animation: ping 2s cubic-bezier(0, 0, .2, 1) infinite;
}
@keyframes ping { 75%, 100% { transform: scale(2.6); opacity: 0; } }

.eyebrow {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--muted);
}
.hl { color: var(--accent-ink); font-weight: 700; font-family: var(--font-kr); }

/* ---------- Nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--nav-h);
  background: rgba(255, 255, 255, .86);
  backdrop-filter: saturate(1.6) blur(14px);
  -webkit-backdrop-filter: saturate(1.6) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s;
}
.nav.is-scrolled { border-bottom-color: var(--line); }
.nav__inner { height: 100%; display: flex; align-items: center; }
.nav__links { display: flex; gap: 28px; margin-left: 44px; font-size: 15px; color: var(--muted); }
.nav__links a { transition: color .15s; }
.nav__links a:hover, .nav__links a[aria-current="page"] { color: var(--ink); }
.nav__links a[aria-current="page"] { font-weight: 600; }
.nav__right { margin-left: auto; display: flex; align-items: center; gap: 14px; }
.lang { display: flex; padding: 2px; border: 1px solid var(--line); border-radius: 8px; }
.lang button { padding: 4px 9px; border-radius: 6px; font-size: 12px; font-weight: 600; letter-spacing: .02em; color: var(--muted); transition: color .15s, background-color .15s; }
.lang button:hover { color: var(--ink); }
.lang button.is-active { background: var(--bg-soft); color: var(--ink); }
.nav__burger { display: none; position: relative; width: 36px; height: 36px; }
.nav__burger span { position: absolute; left: 9px; right: 9px; height: 1.5px; background: var(--ink); transition: transform .25s; }
.nav__burger span:first-child { top: 14px; }
.nav__burger span:last-child { top: 21px; }
.nav.is-open .nav__burger span:first-child { transform: translateY(3.5px) rotate(45deg); }
.nav.is-open .nav__burger span:last-child { transform: translateY(-3.5px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero { position: relative; overflow: hidden; padding: clamp(56px, 8vw, 104px) 0 clamp(64px, 8vw, 104px); }
.hero__inner { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.02fr); align-items: center; gap: clamp(40px, 5vw, 72px); }
.hero__grid {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, #d6d2c8 1px, transparent 1.4px);
  background-size: 22px 22px;
  background-position: center top;
  -webkit-mask-image: radial-gradient(ellipse 55% 60% at 25% 40%, #000 0%, rgba(0, 0, 0, .5) 45%, transparent 80%);
  mask-image: radial-gradient(ellipse 55% 60% at 25% 40%, #000 0%, rgba(0, 0, 0, .5) 45%, transparent 80%);
  pointer-events: none;
}
.hero__title, .section__title, .page-head__title, .post__title { text-wrap: balance; }
.hero__title { margin-top: 22px; font-size: clamp(40px, 5vw, 64px); font-weight: 700; line-height: 1.04; letter-spacing: -.04em; }
html[data-lang="ko"] .hero__title { font-size: clamp(34px, 4.2vw, 54px); line-height: 1.2; letter-spacing: -.03em; }
.hero__lead { margin-top: 22px; max-width: 34em; font-size: clamp(17px, 1.5vw, 19px); line-height: 1.6; color: var(--muted); }
.hero__note { margin-top: 14px; font-size: 14px; color: var(--muted); }
.hero__note a { color: var(--ink); font-weight: 600; border-bottom: 1px solid var(--line-2); transition: border-color .2s; }
.hero__note a:hover { border-color: var(--ink); }

/* Beta sign-up (hero + CTA) */
.signup { margin-top: 32px; display: flex; flex-wrap: wrap; gap: 10px; max-width: 520px; }
.signup input { flex: 1 1 240px; min-width: 0; height: 52px; padding: 0 16px; border: 1px solid #8f8a80; border-radius: 10px; background: #fff; font: inherit; font-size: 16px; color: var(--ink); }
.signup input:focus-visible { outline: 2px solid var(--accent-ink); outline-offset: 1px; }
.signup .btn { height: 52px; padding: 0 22px; font-size: 16px; }
.signup[aria-busy="true"] .btn { opacity: .6; pointer-events: none; }
.signup__msg { flex-basis: 100%; font-size: 14.5px; font-weight: 500; }
.signup__msg:empty, .signup.is-sent input, .signup.is-sent .btn { display: none; }

/* Problem stat */
.section.stat { padding: clamp(48px, 7vw, 80px) 0; }
.stat__inner { display: flex; flex-wrap: wrap; align-items: center; gap: 20px clamp(32px, 6vw, 72px); }
.stat__num { font-size: clamp(64px, 9vw, 120px); font-weight: 700; line-height: .9; letter-spacing: -.05em; font-variant-numeric: tabular-nums; }
.stat__text { flex: 1 1 420px; max-width: 40em; color: var(--ink-2); }
.stat__lead { margin-bottom: 8px; font-size: clamp(20px, 2vw, 25px); font-weight: 600; line-height: 1.35; letter-spacing: -.02em; color: var(--ink); text-wrap: balance; }
.stat__src { margin-top: 12px; font-size: 13px; color: var(--muted); }
.stat__src a { color: var(--ink-2); border-bottom: 1px solid var(--line-2); }

/* ---------- Sections ---------- */
.section { padding: clamp(72px, 10vw, 120px) 0; }
.section--soft { background: var(--bg-soft); border-block: 1px solid var(--line); }
.section__head { max-width: 720px; margin-bottom: 48px; }
.section__title { margin-top: 12px; font-size: clamp(30px, 3.8vw, 46px); font-weight: 700; line-height: 1.12; letter-spacing: -.035em; }
html[data-lang="ko"] .section__title { letter-spacing: -.03em; line-height: 1.25; }
.section__lead { margin-top: 16px; font-size: 18px; line-height: 1.65; color: var(--muted); }

.grid { display: grid; gap: 20px; }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }

.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  transition: border-color .2s, box-shadow .25s, transform .25s;
}
.card:hover { border-color: var(--line-2); box-shadow: 0 10px 30px -14px rgba(22, 19, 15, .16); transform: translateY(-2px); }
.card h3 { margin-top: 14px; font-size: 20px; font-weight: 650; line-height: 1.3; letter-spacing: -.02em; }
.card p { margin-top: 8px; font-size: 16px; line-height: 1.6; color: var(--muted); }

/* How it works */
.gate__k { display: flex; align-items: center; gap: 10px; font: 600 12.5px/1 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .04em; text-transform: uppercase; }
.card .gate__k { margin-top: 0; color: var(--ink-2); }
.gate__k::before { content: ""; width: 9px; height: 9px; border-radius: 50%; background: var(--accent); }

/* Demo terminal */
.term { margin: 0; border-radius: var(--radius); background: var(--ink); color: #e9e6df; box-shadow: 0 30px 60px -30px rgba(22, 19, 15, .45); overflow: hidden; }
.term__bar { display: flex; align-items: center; gap: 7px; padding: 12px 16px; border-bottom: 1px solid rgba(255, 255, 255, .08); }
.term__bar i { width: 10px; height: 10px; border-radius: 50%; background: rgba(255, 255, 255, .16); }
.term__bar span { margin-left: auto; font: 12px/1 ui-monospace, SFMono-Regular, Menlo, monospace; color: rgba(255, 255, 255, .45); }
.term__log { padding: 14px 18px 6px; font: 13px/1.5 ui-monospace, SFMono-Regular, Menlo, monospace; }
.term__log li { display: grid; grid-template-columns: 72px 96px 1fr; gap: 10px; padding: 6px 0; border-bottom: 1px dashed rgba(255, 255, 255, .07); }
.term__log li:last-child { border-bottom: 0; }
.term__log .a { color: rgba(255, 255, 255, .6); }
.term__log .m { color: #e9e6df; }
.term__log code { color: #fff; }
.v { font-weight: 600; }
.v--clear { color: #7ee2a8; }
.v--caution { color: #f5c76a; }
.v--stop { color: #ff7a52; }
.v--wait { color: #9db8ff; }
.term figcaption { padding: 10px 18px 14px; font-size: 12px; color: rgba(255, 255, 255, .4); }
.term figcaption a { color: inherit; text-decoration: underline; text-underline-offset: 3px; }
.term figcaption a:hover { color: rgba(255, 255, 255, .75); }
.demo-video { margin: 0; }
.demo-video video { display: block; width: 100%; height: auto; aspect-ratio: 16 / 10; border-radius: var(--radius); border: 1px solid var(--line); background: var(--bg-soft); box-shadow: 0 30px 60px -30px rgba(22, 19, 15, .35); }
.demo-video figcaption { margin-top: 12px; font-size: 13px; color: var(--muted); max-width: 72ch; }
.points { margin-top: clamp(40px, 5vw, 56px); display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.points li { display: flex; flex-direction: column; gap: 6px; padding-top: 18px; border-top: 1px solid var(--line-2); font-size: 15px; line-height: 1.55; color: var(--muted); }
.points b { font-size: 16px; font-weight: 600; color: var(--ink); letter-spacing: -.01em; }
.app--main { border-color: var(--ink); box-shadow: 0 0 0 1px var(--ink); }
.app__links { margin-top: 18px; font-size: 15px; font-weight: 600; }
.app__links a { border-bottom: 1px solid var(--line-2); padding-bottom: 2px; }
.app__links a:hover { border-color: var(--ink); }

/* Now building */
.list { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); }
.list li {
  display: grid;
  grid-template-columns: 48px 220px minmax(0, 1fr) 150px;
  align-items: center;
  gap: 16px;
  padding: 22px 28px;
  border-bottom: 1px solid var(--line);
}
.list li:last-child { border-bottom: 0; }
.list__num { font-size: 13px; font-weight: 500; color: var(--muted); font-variant-numeric: tabular-nums; }
.list__name { display: flex; flex-direction: column; font-size: 17px; font-weight: 600; letter-spacing: -.01em; line-height: 1.3; }
.list__name small { margin-top: 2px; font-size: 13px; font-weight: 500; color: var(--muted); letter-spacing: 0; }
.list__focus { font-size: 16px; color: var(--muted); }
.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 11px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--bg-soft);
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-2);
  white-space: nowrap;
  justify-self: end;
}
.badge--live { border-color: var(--line-2); background: #fff; color: var(--ink); }

/* Results (dark) */
.rule { background: var(--ink); color: #fff; padding: clamp(72px, 10vw, 120px) 0; }
.rule .eyebrow { color: rgba(255, 255, 255, .6); }
.rule .section__lead { color: rgba(255, 255, 255, .72); }
.rule .more a { border-color: rgba(255, 255, 255, .35); }
.rule .more a:hover { border-color: #fff; }
.bars { margin: 0; padding: clamp(24px, 3vw, 40px); border: 1px solid rgba(255, 255, 255, .14); border-radius: var(--radius); }
.bars__title { margin-top: 10px; font-size: clamp(20px, 2vw, 26px); font-weight: 700; line-height: 1.3; letter-spacing: -.02em; }
.bars__sub { margin-top: 6px; font-size: 15px; color: rgba(255, 255, 255, .72); }
.bars__list { margin-top: 32px; display: grid; gap: 22px; }
.bars__list li { display: grid; grid-template-columns: 210px minmax(0, 1fr) 88px; align-items: center; gap: 8px 20px; }
.bars__k { font-weight: 600; }
.bars__k small { display: block; font-size: 13px; font-weight: 400; color: rgba(255, 255, 255, .6); }
.bars__track { height: 28px; border-radius: 6px; background: rgba(255, 255, 255, .08); overflow: hidden; }
.bars__track i { display: block; height: 100%; width: var(--w); border-radius: 6px; background: #e9e6df; }
.bars__list li:nth-child(2) .bars__track i { background: rgba(255, 255, 255, .42); }
.bars__list b { text-align: right; font-size: 22px; font-weight: 700; letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.bars__us b { font-size: 32px; color: var(--accent); }
.bars__note { margin-top: 28px; max-width: 52em; font-size: 14px; line-height: 1.6; color: rgba(255, 255, 255, .6); }
.rule__more { margin-top: clamp(48px, 6vw, 72px); }

/* Founders */
.founder { display: flex; flex-direction: column; padding: clamp(24px, 2.6vw, 32px); }
.founder__head { display: flex; align-items: center; gap: 18px; }
.avatar {
  position: relative;
  flex: none;
  width: 88px;
  height: 88px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: var(--bg-soft);
  box-shadow: inset 0 0 0 6px #fff;
  display: grid;
  place-items: center;
  overflow: hidden;
}
.avatar__base { display: block; font-family: var(--font-kr); font-weight: 800; font-size: 44px; line-height: 1; color: #d3cec3; }
.avatar__key {
  position: absolute;
  background: var(--accent);
  -webkit-mask-size: 100% 100%;
  mask-size: 100% 100%;
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
  opacity: 0;
  transition: opacity .6s;
}
.avatar__key.is-ready { opacity: 1; }
.card .founder__name { margin-top: 0; font-size: 23px; font-weight: 700; letter-spacing: -.025em; line-height: 1.2; }
.founder__alt { margin-left: 6px; font-family: var(--font-kr); font-size: 15px; font-weight: 500; color: var(--muted); letter-spacing: 0; }
.card .founder__title { margin-top: 4px; font-size: 14.5px; font-weight: 500; color: var(--ink-2); }
.card .founder__bio { margin-top: 20px; font-size: 16px; line-height: 1.7; color: var(--ink-2); }
.founder__meta { margin-top: auto; padding-top: 20px; display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.founder__meta div { padding-top: 16px; border-top: 1px solid var(--line); }
.founder__meta dt { font-size: 12.5px; font-weight: 600; letter-spacing: .05em; text-transform: uppercase; color: var(--muted); }
.founder__meta dd { margin-top: 4px; font-size: 15px; font-weight: 600; color: var(--ink); }
.founder__meta .founder__meta-wide { grid-column: 1 / -1; }
.founder__meta a { border-bottom: 1px solid var(--line-2); transition: border-color .2s; }
.founder__meta a:hover { border-color: var(--ink); }
.card .founder__win { margin-top: 14px; padding: 10px 14px; border-radius: 10px; background: var(--accent-wash); font-size: 15px; font-weight: 600; line-height: 1.5; color: var(--ink); }

/* Status */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.step { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.step--now { border-color: var(--ink); }
.step__tag { display: inline-flex; align-items: center; gap: 8px; font-size: 12.5px; font-weight: 600; letter-spacing: .05em; text-transform: uppercase; color: var(--muted); }
.step--now .step__tag { color: var(--ink); }
.step h3 { margin-top: 14px; font-size: 19px; font-weight: 650; letter-spacing: -.02em; }
.step p { margin-top: 6px; font-size: 15.5px; line-height: 1.55; color: var(--muted); }
.callout {
  margin-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px 32px;
  padding: 24px 28px;
  border-radius: var(--radius);
  background: var(--ink);
  color: #fff;
}
.callout p { font-size: 18px; font-weight: 500; letter-spacing: -.01em; }
.callout .btn { background: #fff; color: var(--ink); }
.callout .btn:hover { background: var(--bg-soft); }

/* Closing CTA */
.cta { background: var(--ink); color: #fff; padding: clamp(72px, 9vw, 112px) 0; }
.cta__inner { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); align-items: center; gap: 32px clamp(40px, 6vw, 88px); }
.cta .section__title { margin-top: 0; }
.cta__lead { margin-top: 14px; font-size: clamp(17px, 1.6vw, 19px); color: rgba(255, 255, 255, .72); }
.cta .signup { margin-top: 0; }
.cta .signup input { border-color: #fff; }
.cta .signup input:focus-visible { outline-color: #fff; }
.cta__alt { margin-top: 16px; display: flex; flex-wrap: wrap; align-items: center; gap: 6px 12px; font-size: 14.5px; color: rgba(255, 255, 255, .65); }
.cta__alt a, .cta__alt button { color: #fff; border-bottom: 1px solid rgba(255, 255, 255, .35); transition: border-color .2s; }
.cta__alt a:hover, .cta__alt button:hover { border-color: #fff; }

/* Shared bits for inner pages */
.more { margin-top: 20px; font-size: 15px; font-weight: 600; }
.more a, a.more { display: inline-flex; align-items: center; gap: 6px; border-bottom: 1px solid var(--line-2); padding-bottom: 2px; transition: border-color .2s; }
.more a:hover, a.more:hover { border-color: var(--ink); }
.section__head--row { max-width: none; display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; }
.section--tight { padding-top: 8px; }
.page-head { padding: clamp(64px, 9vw, 112px) 0 clamp(32px, 4vw, 48px); }
.page-head__title { margin-top: 12px; font-size: clamp(38px, 5.4vw, 64px); font-weight: 700; line-height: 1.05; letter-spacing: -.045em; }
html[data-lang="ko"] .page-head__title { line-height: 1.2; letter-spacing: -.035em; }
.page-head__lead { margin-top: 18px; max-width: 36em; font-size: clamp(17px, 1.5vw, 20px); line-height: 1.6; color: var(--muted); }
.empty { padding: 48px 0; color: var(--muted); }

/* Apps page */
.apps { display: grid; gap: 20px; }
.app { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(24px, 3vw, 36px); }
.app__head { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; }
.app__field { font-size: 13px; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; color: var(--muted); }
.app__name { margin-top: 6px; font-size: clamp(26px, 3vw, 34px); font-weight: 700; letter-spacing: -.035em; line-height: 1.1; }
.app__name small { margin-left: 6px; font-family: var(--font-kr); font-size: 16px; font-weight: 500; color: var(--muted); letter-spacing: 0; }
.app__desc { margin-top: 16px; max-width: 46em; font-size: 17px; line-height: 1.65; color: var(--ink-2); }
.app__points { margin-top: 18px; display: flex; flex-wrap: wrap; gap: 8px; }
.app__points li { padding: 6px 12px; border-radius: 999px; background: var(--bg-soft); border: 1px solid var(--line); font-size: 13.5px; color: var(--ink-2); }
.apps .callout { margin-top: 4px; }
.apps .callout p { max-width: 46em; font-size: 17px; line-height: 1.6; }
.apps [id] { scroll-margin-top: 88px; }
.subnav { margin-top: 24px; display: flex; flex-wrap: wrap; gap: 8px; }
.subnav a { padding: 6px 14px; border-radius: 999px; border: 1px solid var(--line-2); font-size: 14px; font-weight: 500; color: var(--ink-2); transition: border-color .2s, color .2s; }
.subnav a:hover { border-color: var(--ink); color: var(--ink); }

/* Interlock status and release notes */
.status { margin-top: 24px; display: grid; grid-template-columns: 1fr 1fr; gap: 20px 40px; }
.status__col h3 { font-size: 14px; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; color: var(--muted); }
.status__col ul { margin-top: 12px; display: grid; gap: 10px; }
.status__col li { position: relative; padding: 10px 0 0 18px; border-top: 1px solid var(--line); font-size: 15.5px; line-height: 1.55; color: var(--ink-2); }
.status__col li::before { content: ""; position: absolute; left: 0; top: 19px; width: 6px; height: 6px; border-radius: 50%; background: var(--ink); }
.status__col:last-child li::before { background: var(--line-2); }
.releases { margin-top: 24px; border-top: 1px solid var(--line); }
.release { display: grid; grid-template-columns: 150px minmax(0, 1fr); gap: 8px 24px; padding: 22px 0; border-bottom: 1px solid var(--line); }
.release:last-child { border-bottom: 0; }
.release__meta { display: flex; flex-direction: column; gap: 2px; }
.release__ver { font-size: 20px; font-weight: 700; letter-spacing: -.02em; }
.release__meta time { font-size: 14px; color: var(--muted); font-variant-numeric: tabular-nums; }
.release__body ul { display: grid; gap: 8px; }
.release__body li { position: relative; padding-left: 16px; font-size: 16px; line-height: 1.6; color: var(--ink-2); }
.release__body li::before { content: ""; position: absolute; left: 0; top: 11px; width: 5px; height: 5px; border-radius: 50%; background: var(--ink); }
.release__proof { margin-top: 12px; font-size: 14.5px; color: var(--muted); }
.release__proof a { color: var(--ink); border-bottom: 1px solid var(--line-2); transition: border-color .2s; }
.release__proof a:hover { border-color: var(--ink); }
.release__note { margin-top: 8px; font-size: 13.5px; color: var(--muted); }

/* Board */
.posts { border-top: 1px solid var(--line); }
.posts a { display: grid; grid-template-columns: 110px 1fr auto; align-items: baseline; gap: 20px; padding: 22px 0; border-bottom: 1px solid var(--line); }
.posts time { font-size: 14px; color: var(--muted); font-variant-numeric: tabular-nums; }
.posts__body { display: flex; flex-direction: column; gap: 4px; }
.posts__title { font-size: 18px; font-weight: 600; letter-spacing: -.015em; }
.posts__desc { font-size: 15.5px; color: var(--muted); }
.posts__arrow { color: var(--muted); transition: transform .2s, color .2s; }
.posts a:hover .posts__title { text-decoration: underline; text-underline-offset: 4px; }
.posts a:hover .posts__arrow { color: var(--ink); transform: translateX(3px); }

/* Post */
.post { padding: clamp(48px, 7vw, 88px) 0 clamp(64px, 9vw, 112px); }
.post__back { font-size: 14.5px; color: var(--muted); }
.post__back:hover { color: var(--ink); }
.post__head { margin-top: 28px; padding-bottom: 28px; border-bottom: 1px solid var(--line); }
.post__head time { font-size: 14px; color: var(--muted); font-variant-numeric: tabular-nums; }
.post__title { margin-top: 10px; font-size: clamp(32px, 4.6vw, 48px); font-weight: 700; line-height: 1.12; letter-spacing: -.04em; }
.post__lead { margin-top: 14px; font-size: 19px; line-height: 1.6; color: var(--muted); }
.prose { margin-top: 32px; font-size: 17.5px; line-height: 1.75; color: var(--ink-2); }
.prose > * + *, .prose > div > * + * { margin-top: 1.1em; }
.prose h2 { margin-top: 1.8em; font-size: 24px; font-weight: 700; letter-spacing: -.025em; line-height: 1.3; color: var(--ink); }
.prose h3 { margin-top: 1.6em; font-size: 19px; font-weight: 650; color: var(--ink); }
.prose a { color: var(--ink); text-decoration: underline; text-underline-offset: 3px; text-decoration-color: var(--line-2); }
.prose a:hover { text-decoration-color: var(--ink); }
.prose strong { color: var(--ink); }
.prose ul, .prose ol { padding-left: 1.3em; }
.prose ul { list-style: disc; }
.prose ol { list-style: decimal; }
.prose li + li { margin-top: .4em; }
.prose blockquote { padding-left: 18px; border-left: 3px solid var(--line-2); color: var(--muted); }
.prose code { padding: 2px 6px; border-radius: 6px; background: var(--bg-soft); font-size: .9em; }
.prose img { max-width: 100%; height: auto; border-radius: 10px; border: 1px solid var(--line); }
.comments { margin-top: 64px; padding-top: 32px; border-top: 1px solid var(--line); }
.comments__title { font-size: 20px; font-weight: 700; letter-spacing: -.02em; }
.comments__note { margin-top: 6px; font-size: 14.5px; color: var(--muted); }
.giscus { margin-top: 20px; min-height: 120px; }

/* Footer */
.footer { border-top: 1px solid var(--line); padding: 32px 0; }
.footer__inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px 32px; }
.footer__links { display: flex; flex-wrap: wrap; gap: 8px 24px; font-size: 14.5px; color: var(--muted); }
.footer__links a:hover { color: var(--ink); }
.footer__copy { font-size: 14px; color: var(--muted); }
.footer__note { order: 9; flex-basis: 100%; padding-top: 16px; border-top: 1px solid var(--line); font-size: 13.5px; line-height: 1.6; color: var(--muted); }

/* Toast */
.toast {
  position: fixed;
  left: 50%;
  bottom: 28px;
  z-index: 60;
  padding: 12px 18px;
  border-radius: 10px;
  background: var(--ink);
  color: #fff;
  font-size: 14.5px;
  font-weight: 500;
  box-shadow: 0 12px 32px -10px rgba(0, 0, 0, .35);
  transform: translate(-50%, 16px);
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s, transform .25s;
}
.toast.is-show { opacity: 1; transform: translate(-50%, 0); }

/* Reveal */
.js .reveal { opacity: 0; transform: translateY(12px); transition: opacity .7s ease, transform .7s cubic-bezier(.2, .7, .2, 1); }
.js .reveal.is-in { opacity: 1; transform: none; }
.grid > .reveal:nth-child(2), .steps > .reveal:nth-child(2) { transition-delay: .06s; }
.grid > .reveal:nth-child(3), .steps > .reveal:nth-child(3) { transition-delay: .12s; }
.grid > .reveal:nth-child(4) { transition-delay: .18s; }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .hero__inner, .cta__inner, .grid--3, .points { grid-template-columns: 1fr; }
  .nav__links {
    position: absolute;
    top: var(--nav-h);
    left: 0;
    right: 0;
    margin: 0;
    padding: 8px clamp(20px, 4vw, 32px) 16px;
    flex-direction: column;
    gap: 0;
    background: #fff;
    border-bottom: 1px solid var(--line);
    font-size: 17px;
    color: var(--ink);
    display: none;
  }
  .nav__links a { padding: 12px 0; border-bottom: 1px solid var(--line); }
  .nav__links a:last-child { border-bottom: 0; }
  .nav.is-open .nav__links { display: flex; }
  .nav.is-open { border-bottom-color: var(--line); background: #fff; }
  .nav__burger { display: block; }
  .steps { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .status { grid-template-columns: 1fr; }
  .release { grid-template-columns: 1fr; }
  .release__meta { flex-direction: row; align-items: baseline; gap: 12px; }
  .term__log { font-size: 12px; }
  .term__log li { grid-template-columns: 64px 1fr; }
  .term__log .m { grid-column: 1 / -1; }
  .bars__list li { grid-template-columns: minmax(0, 1fr) auto; }
  .bars__track { grid-column: 1 / -1; grid-row: 2; }
  .posts a { grid-template-columns: 1fr auto; gap: 6px 16px; }
  .posts time { grid-column: 1 / -1; }
  .section__head--row { flex-direction: column; align-items: flex-start; }
  .app__head { flex-direction: column; }
  .grid--2 { grid-template-columns: 1fr; }
  .card { padding: 22px; }
  .list li { grid-template-columns: 32px 1fr; gap: 6px 12px; padding: 18px 20px; }
  .list__focus, .list .badge { grid-column: 2; }
  .list .badge { justify-self: start; margin-top: 4px; }
  .avatar { width: 72px; height: 72px; }
  .avatar__base { font-size: 36px; }
  .callout { padding: 22px; }
  .callout .btn { width: 100%; }
}
@media (max-width: 420px) {
  .nav__cta { display: none; }
  .signup .btn { flex: 1 1 100%; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .001ms !important; animation: none !important; }
  .js .reveal { opacity: 1; transform: none; }
}

/* Experiment pages: list of published experiments */
.exp-nav { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
.exp-nav a { padding: 6px 12px; border: 1px solid var(--line); border-radius: 999px; font-size: 13px; font-weight: 500; color: var(--muted); }
.exp-nav a:hover { color: var(--ink); border-color: var(--line-2); }
.exp-nav a[aria-current="page"] { color: var(--ink); border-color: var(--ink); font-weight: 600; }

/* Home: more experiments strip */
.rule-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 32px; margin-top: 24px; }
.rule-grid a { display: block; padding-top: 18px; border-top: 1px solid rgba(255, 255, 255, .2); transition: border-color .2s; }
.rule-grid a:hover { border-color: #fff; }
.rule-grid b { display: block; font-size: clamp(30px, 3.4vw, 44px); font-weight: 700; line-height: 1; letter-spacing: -.04em; font-variant-numeric: tabular-nums; }
.rule-grid span { display: block; margin-top: 12px; font-size: 14px; line-height: 1.55; color: rgba(255, 255, 255, .7); }
@media (max-width: 960px) { .rule-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 420px) { .rule-grid { grid-template-columns: 1fr; gap: 24px; } }
.releases-more { margin-top: 4px; border-top: 1px solid var(--line); }
.releases-more summary { padding: 16px 0; font-size: 15px; font-weight: 600; cursor: pointer; list-style: none; }
.releases-more summary::-webkit-details-marker { display: none; }
.releases-more summary::after { content: " +"; color: var(--muted); }
.releases-more[open] summary::after { content: " −"; }
.releases-more .releases { margin-top: 0; border-top: 0; }
.release__aka { font-size: 12.5px; color: var(--muted); }

.facts { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 20px; }
.facts li { padding-top: 18px; border-top: 1px solid var(--line-2); font-size: 15px; line-height: 1.55; color: var(--muted); }
.facts b { display: block; margin-bottom: 10px; font-size: clamp(30px, 3.4vw, 44px); font-weight: 700; line-height: 1; letter-spacing: -.04em; color: var(--ink); font-variant-numeric: tabular-nums; }
@media (max-width: 960px) { .facts { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 720px) { .facts { grid-template-columns: 1fr; } }
.tech { border-top: 1px solid var(--line); }
.tech li { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr); gap: 20px; padding: 18px 0; border-bottom: 1px solid var(--line); font-size: 16px; line-height: 1.55; color: var(--muted); }
.tech b { font-weight: 600; color: var(--ink); }
@media (max-width: 720px) { .tech li { grid-template-columns: 1fr; gap: 4px; } }