/* Longview design system — "the registry": prospectus gravitas, terminal heritage.
   Serif prose (Newsreader) against mono data (IBM Plex Mono); deep ink-green ground,
   ledger-green accent, hairline rules. Dark is the native theme; light is fully drawn. */

:root {
  --bg: #0C1210;
  --bg-elev: #101714;
  --bg-raise: #141C19;
  --text: #E9EFE9;
  --text-dim: #93A49A;
  --text-faint: #5F7068;
  --accent: #4CC38F;
  --accent-strong: #67D8A5;
  --accent-dim: rgba(76, 195, 143, 0.10);
  --bear: #E08B7B;
  --amber: #D9B36A;
  --hair: rgba(233, 239, 233, 0.14);
  --hair-soft: rgba(233, 239, 233, 0.07);
  --shadow: 0 24px 64px rgba(0, 0, 0, 0.45);
  --serif: 'Newsreader', 'Iowan Old Style', Georgia, serif;
  --mono: 'IBM Plex Mono', ui-monospace, 'SF Mono', Menlo, monospace;
  --ease: cubic-bezier(0.165, 0.84, 0.44, 1);      /* easeOutQuart — the only micro easing */
  --ease-quint: cubic-bezier(0.23, 1, 0.32, 1);    /* entrances only */
  --t: 0.2s;
  color-scheme: dark;
}
:root[data-theme="light"] {
  --bg: #F6F7F4;
  --bg-elev: #FDFDFB;
  --bg-raise: #FFFFFF;
  --text: #17221C;
  --text-dim: #56675D;
  --text-faint: #8A988F;
  --accent: #177550;
  --accent-strong: #0E5C3D;
  --accent-dim: rgba(23, 117, 80, 0.08);
  --bear: #A44A38;
  --amber: #8F6C24;
  --hair: rgba(23, 34, 28, 0.16);
  --hair-soft: rgba(23, 34, 28, 0.07);
  --shadow: 0 24px 64px rgba(23, 34, 28, 0.10);
  color-scheme: light;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--serif);
  font-optical-sizing: auto;
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: inherit; text-decoration: none; }
p a, li a {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-thickness: 0.07em;
  text-underline-offset: 0.18em;
  text-decoration-color: color-mix(in srgb, var(--accent) 38%, transparent);
  transition: text-decoration-color var(--t) var(--ease);
}
p a:hover, li a:hover { text-decoration-color: var(--accent); }
td a { color: var(--accent); }
td a:hover { text-decoration: underline; text-underline-offset: 3px; text-decoration-color: color-mix(in srgb, var(--accent) 55%, transparent); }
p a.btn { text-decoration: none; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
a:focus-visible, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 2px; }
::selection { background: var(--accent); color: var(--bg); }

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
.wrap-narrow { max-width: 760px; margin: 0 auto; padding: 0 24px; }

/* ---------- utility voices ---------- */
.mono { font-family: var(--mono); }
.label {
  font-family: var(--mono); font-size: 0.68rem; font-weight: 500;
  letter-spacing: 0.16em; text-transform: uppercase; color: var(--text-dim);
}
.label-accent { color: var(--accent); }
.num { font-variant-numeric: tabular-nums; }
.pos { color: var(--accent); }
.neg { color: var(--bear); }
.dim { color: var(--text-dim); }

/* ---------- nav — transparent at page top, ground + hairline after scroll ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: transparent;
  backdrop-filter: blur(14px) saturate(1.2);
  -webkit-backdrop-filter: blur(14px) saturate(1.2);
  border-bottom: 1px solid transparent;
  transition: background 0.1s var(--ease), border-color 0.1s var(--ease);
}
html[data-scrolled] .nav {
  background: color-mix(in srgb, var(--bg) 94%, transparent);
  border-bottom-color: var(--hair-soft);
}
.nav-inner {
  max-width: 1120px; margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between; height: 60px;
}
.wordmark { display: flex; align-items: baseline; gap: 10px; }
.wordmark .name {
  font-family: var(--serif); font-size: 1.28rem; font-weight: 600; letter-spacing: 0.01em;
}
.wordmark .tag {
  font-family: var(--mono); font-size: 0.6rem; letter-spacing: 0.22em;
  text-transform: uppercase; color: var(--text-faint);
}
.nav-links { display: flex; align-items: center; gap: 26px; }
.nav-links a {
  font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--text-dim);
  transition: color 160ms ease;
}
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--text); }
.theme-toggle {
  background: none; border: 1px solid var(--hair); color: var(--text-dim);
  font-family: var(--mono); font-size: 0.65rem; letter-spacing: 0.08em;
  padding: 5px 10px; border-radius: 3px; cursor: pointer;
  transition: color 160ms ease, border-color 160ms ease;
}
.theme-toggle:hover { color: var(--text); border-color: var(--text-dim); }
@media (max-width: 640px) {
  .nav-links { gap: 14px; }
  .nav-links a:nth-child(3), .nav-links a:nth-child(4) { display: none; }
}
@media (max-width: 480px) {
  .wordmark .tag { display: none; }
  .nav-inner { padding: 0 16px; }
}

/* ---------- buttons ---------- */
.btn {
  display: inline-block; font-family: var(--mono); font-size: 0.78rem; font-weight: 500;
  letter-spacing: 0.06em; padding: 13px 26px; border-radius: 4px;
  border: 1px solid transparent; cursor: pointer;
  transition: transform var(--t) var(--ease), background var(--t) var(--ease),
              border-color var(--t) var(--ease), color var(--t) var(--ease);
}
.btn:active { transform: scale(0.97); }
.btn-primary { background: var(--accent); color: #08110D; }
.btn-primary:hover { background: var(--accent-strong); }
:root[data-theme="light"] .btn-primary { color: #F6F7F4; }
.btn-ghost { border-color: var(--hair); color: var(--text-dim); }
.btn-ghost:hover { color: var(--text); border-color: var(--text-dim); }

/* ---------- hero ---------- */
.hero { padding: 108px 0 72px; position: relative; overflow: hidden; }
.hero-kicker { margin-bottom: 26px; display: flex; align-items: center; gap: 12px; }
.hero-kicker .rule { width: 44px; height: 1px; background: var(--accent); }
.hero h1 {
  font-size: clamp(2.5rem, 6.2vw, 4.3rem);
  font-weight: 500; line-height: 1.04; letter-spacing: -0.015em;
  max-width: 15ch;
}
.hero h1 em { font-style: italic; color: var(--accent); }
.hero h1 .hl { display: block; }
/* blur-up staggered entrance (Linear pattern) — only when JS is alive and motion allowed */
@media (prefers-reduced-motion: no-preference) {
  html.js .hero-anim .hl {
    opacity: 0; filter: blur(10px); transform: translateY(18%);
    transition: opacity 0.8s var(--ease-quint), filter 0.8s var(--ease-quint),
                transform 0.8s var(--ease-quint);
    transition-delay: calc(var(--i) * 110ms);
  }
  html.js .hero-anim .hero-sub, html.js .hero-anim .hero-ctas, html.js .hero-anim .hero-kicker {
    opacity: 0; transform: translateY(10px);
    transition: opacity 0.7s var(--ease-quint), transform 0.7s var(--ease-quint);
  }
  html.js .hero-anim .hero-kicker { transition-delay: 0ms; }
  html.js .hero-anim .hero-sub { transition-delay: 340ms; }
  html.js .hero-anim .hero-ctas { transition-delay: 450ms; }
  html.js .hero-anim.hero-in .hl,
  html.js .hero-anim.hero-in .hero-sub,
  html.js .hero-anim.hero-in .hero-ctas,
  html.js .hero-anim.hero-in .hero-kicker { opacity: 1; filter: blur(0); transform: none; }
}
.hero-sub {
  margin-top: 28px; max-width: 54ch; font-size: 1.14rem; line-height: 1.7;
  color: var(--text-dim);
}
.hero-ctas { margin-top: 40px; display: flex; gap: 14px; flex-wrap: wrap; }
/* ledger-rule stat grid: numerals hang below a hairline */
.hero-stats {
  margin-top: 76px; display: grid; grid-template-columns: repeat(4, auto);
  justify-content: start; column-gap: 64px; row-gap: 26px;
}
.hero-stat { border-top: 1px solid var(--hair); padding: 18px 24px 4px 0; min-width: 130px; }
.hero-stat .v {
  font-family: var(--mono); font-size: 2.1rem; font-weight: 500;
  font-variant-numeric: tabular-nums; letter-spacing: -0.035em; line-height: 1;
}
.hero-stat .k { margin-top: 10px; }
@media (max-width: 800px) {
  .hero-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 28px; }
  .hero-stat { min-width: 0; padding-right: 0; }
}

/* ---------- chain strip (real events, subject-native ornament) ---------- */
.chain-strip {
  border-top: 1px solid var(--hair-soft); border-bottom: 1px solid var(--hair-soft);
  background: var(--bg-elev);
  overflow-x: auto; scrollbar-width: none;
}
.chain-strip::-webkit-scrollbar { display: none; }
.chain-strip-inner { display: flex; align-items: center; padding: 14px 24px; gap: 0; width: max-content; }
.chain-link { display: flex; align-items: center; }
.chain-node {
  font-family: var(--mono); font-size: 0.66rem; letter-spacing: 0.04em;
  color: var(--text-dim); white-space: nowrap;
  border: 1px solid var(--hair); border-radius: 3px; padding: 6px 12px;
  background: var(--bg);
  transition: color 160ms ease, border-color 160ms ease;
}
.chain-node b { color: var(--accent); font-weight: 500; }
.chain-node:hover { color: var(--text); border-color: var(--accent); }
.chain-joint { width: 26px; height: 1px; background: var(--hair); position: relative; }
.chain-joint::after {
  content: ''; position: absolute; right: -1px; top: -2px;
  width: 5px; height: 5px; border-radius: 50%; background: var(--hair);
}

/* ---------- sections ---------- */
.section { padding: 96px 0; }
.section-head { margin-bottom: 48px; }
.section-head .label { display: block; margin-bottom: 14px; }
.section-head h2 {
  font-size: clamp(1.7rem, 3.4vw, 2.4rem); font-weight: 500;
  line-height: 1.15; letter-spacing: -0.01em; text-wrap: balance; max-width: 28ch;
}
.section-head .sub { margin-top: 14px; color: var(--text-dim); max-width: 58ch; font-size: 1.02rem; }
.section-alt { background: var(--bg-elev); border-top: 1px solid var(--hair-soft); border-bottom: 1px solid var(--hair-soft); }

/* problem statement — the confession block */
.confession { max-width: 720px; }
.confession .lines { border-left: 1px solid var(--hair); padding-left: 28px; display: grid; gap: 18px; }
.confession .lines p { font-size: 1.22rem; line-height: 1.55; color: var(--text-dim); }
.confession .punch {
  margin-top: 34px; font-size: 1.5rem; font-style: italic; color: var(--text);
}
.confession .punch em { color: var(--accent); font-style: italic; }

/* how it works */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--hair-soft); border: 1px solid var(--hair-soft); }
.step { background: var(--bg); padding: 34px 30px 38px; }
.section-alt .step { background: var(--bg-elev); }
.step .n { font-family: var(--mono); font-size: 0.72rem; color: var(--accent); letter-spacing: 0.14em; }
.step h3 { margin: 16px 0 10px; font-size: 1.22rem; font-weight: 600; }
.step p { color: var(--text-dim); font-size: 0.96rem; }
@media (max-width: 800px) { .steps { grid-template-columns: 1fr; } }

/* principles */
.principles { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; }
.principle { border-top: 1px solid var(--hair); padding-top: 20px; }
.principle h3 { font-size: 1.05rem; font-weight: 600; margin-bottom: 8px; }
.principle p { color: var(--text-dim); font-size: 0.92rem; line-height: 1.6; }
@media (max-width: 900px) { .principles { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .principles { grid-template-columns: 1fr; } }

/* ---------- scoreboard table ---------- */
.tbl-scroll { overflow-x: auto; border: 1px solid var(--hair-soft); border-radius: 6px; background: var(--bg-elev); }
table.board { border-collapse: collapse; width: 100%; min-width: 760px; }
table.board th {
  font-family: var(--mono); font-size: 0.62rem; font-weight: 500; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--text-faint); text-align: left;
  padding: 14px 18px; border-bottom: 1px solid var(--hair); white-space: nowrap;
  cursor: pointer; user-select: none;
}
table.board th.sorted { color: var(--accent); }
table.board td {
  padding: 15px 18px; border-bottom: 1px solid var(--hair-soft);
  font-size: 0.92rem; font-variant-numeric: tabular-nums; white-space: nowrap;
}
table.board tbody tr { transition: background 140ms ease; }
table.board tbody tr:hover { background: var(--accent-dim); }
table.board tbody tr:last-child td { border-bottom: none; }
table.board td.t { font-family: var(--mono); font-weight: 500; }
table.board td .co { display: block; font-family: var(--serif); color: var(--text-dim); font-size: 0.82rem; white-space: normal; }
.chip {
  display: inline-block; font-family: var(--mono); font-size: 0.62rem; font-weight: 500;
  letter-spacing: 0.1em; text-transform: uppercase; padding: 3px 9px; border-radius: 3px;
  border: 1px solid var(--hair); color: var(--text-dim);
}
.chip-open { border-color: color-mix(in srgb, var(--accent) 45%, transparent); color: var(--accent); background: var(--accent-dim); }
.chip-watch { border-color: color-mix(in srgb, var(--amber) 45%, transparent); color: var(--amber); background: color-mix(in srgb, var(--amber) 8%, transparent); }
.chip-closed { border-color: color-mix(in srgb, var(--bear) 45%, transparent); color: var(--bear); }

/* stat row on research page */
.statrow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--hair-soft); border: 1px solid var(--hair-soft); border-radius: 6px; overflow: hidden; margin-bottom: 44px; }
.stat { background: var(--bg-elev); padding: 24px 26px; }
.stat .v { font-family: var(--mono); font-size: 1.55rem; font-weight: 500; font-variant-numeric: tabular-nums; letter-spacing: -0.02em; }
.stat .k { margin-top: 6px; }
@media (max-width: 800px) { .statrow { grid-template-columns: repeat(2, 1fr); } }

/* ---------- theme + thesis cards ---------- */
.theme-block { margin-top: 64px; }
.theme-block > .label { display: block; margin-bottom: 6px; }
.theme-block > h3 { font-size: 1.5rem; font-weight: 600; margin-bottom: 6px; }
.theme-block > .desc { color: var(--text-dim); max-width: 62ch; margin-bottom: 26px; font-size: 0.98rem; }
.cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
@media (max-width: 800px) { .cards { grid-template-columns: 1fr; } }
.card {
  display: block; border: 1px solid var(--hair-soft); border-radius: 6px;
  background: var(--bg-elev); padding: 26px 28px;
  transition: border-color 200ms ease, transform 240ms cubic-bezier(0.16, 1, 0.3, 1);
}
.card:hover { border-color: var(--accent); transform: translateY(-2px); }
.card-top { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 10px; }
.card-top .tick { font-family: var(--mono); font-size: 1.05rem; font-weight: 500; }
.card h4 { font-size: 1.18rem; font-weight: 600; margin-bottom: 8px; }
.card .stmt { color: var(--text-dim); font-size: 0.94rem; line-height: 1.6; }
.card .meta { margin-top: 16px; display: flex; gap: 18px; flex-wrap: wrap; }
.card .meta span { font-family: var(--mono); font-size: 0.68rem; color: var(--text-faint); letter-spacing: 0.04em; }
.card .meta b { color: var(--text); font-weight: 500; }
.card .meta .up { color: var(--accent); }
.card .meta .down { color: var(--bear); }

/* ---------- thesis page ---------- */
.thesis-head { padding: 72px 0 0; }
.crumb { margin-bottom: 30px; }
.crumb a { font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-faint); }
.crumb a:hover { color: var(--accent); }
.thesis-title { display: flex; align-items: baseline; gap: 20px; flex-wrap: wrap; }
.thesis-title .tick { font-family: var(--mono); font-size: clamp(2rem, 4.5vw, 3rem); font-weight: 500; letter-spacing: -0.01em; }
.thesis-title h1 { font-size: clamp(1.4rem, 3vw, 2rem); font-weight: 500; color: var(--text-dim); }
.thesis-meta {
  margin-top: 26px; padding: 18px 0; border-top: 1px solid var(--hair-soft); border-bottom: 1px solid var(--hair-soft);
  display: flex; gap: 34px; flex-wrap: wrap;
}
.thesis-meta div .k { display: block; margin-bottom: 3px; }
.thesis-meta div .v { font-family: var(--mono); font-size: 0.85rem; font-variant-numeric: tabular-nums; }

.prose { font-size: 1.09rem; line-height: 1.78; }
.prose h2 {
  font-size: 0.72rem; font-family: var(--mono); font-weight: 500; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--accent);
  margin: 56px 0 18px; padding-top: 26px; border-top: 1px solid var(--hair-soft);
}
.prose h3 { font-size: 1.15rem; font-weight: 600; margin: 26px 0 10px; }
.prose p { margin-bottom: 16px; }
.prose ul, .prose ol { margin: 0 0 16px 1.3rem; }
.prose li { margin-bottom: 7px; }
.prose li::marker { color: var(--text-faint); }
.prose strong { font-weight: 600; }
.prose em { color: var(--text-dim); }
.prose .fig { font-family: var(--mono); font-size: 0.88em; }

/* scenario + sensitivity tables */
.scen-table, .sens-table { width: 100%; border-collapse: collapse; margin: 22px 0; font-family: var(--mono); }
.scen-table th, .sens-table th {
  font-size: 0.62rem; font-weight: 500; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--text-faint); text-align: right; padding: 10px 14px; border-bottom: 1px solid var(--hair);
}
.scen-table th:first-child, .sens-table th:first-child { text-align: left; }
.scen-table td, .sens-table td {
  font-size: 0.85rem; padding: 11px 14px; text-align: right;
  border-bottom: 1px solid var(--hair-soft); font-variant-numeric: tabular-nums;
}
.scen-table td:first-child, .sens-table td:first-child { text-align: left; font-weight: 500; }
.sens-table td.hit { background: var(--accent-dim); color: var(--accent); font-weight: 500; }
.range-note { font-size: 0.88rem; color: var(--text-dim); font-style: italic; }

/* kill conditions — the registry list */
.kills { counter-reset: kill; list-style: none; margin: 22px 0 !important; }
.kills li {
  counter-increment: kill; position: relative; padding: 16px 0 16px 58px;
  border-top: 1px solid var(--hair-soft); margin: 0 !important;
}
.kills li:last-child { border-bottom: 1px solid var(--hair-soft); }
.kills li::before {
  content: 'K' counter(kill); position: absolute; left: 0; top: 16px;
  font-family: var(--mono); font-size: 0.72rem; color: var(--bear); letter-spacing: 0.08em;
}

/* chain proof box */
.proof {
  margin: 64px 0; border: 1px solid var(--hair); border-radius: 6px; overflow: hidden;
}
.proof-head {
  padding: 12px 20px; background: var(--accent-dim); border-bottom: 1px solid var(--hair-soft);
  display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap;
}
.proof-body { padding: 20px; display: grid; gap: 10px; background: var(--bg-elev); }
.proof-row { display: grid; grid-template-columns: 130px 1fr; gap: 14px; align-items: baseline; }
.proof-row .v { font-family: var(--mono); font-size: 0.76rem; word-break: break-all; color: var(--text-dim); }
.proof-row .v.ok { color: var(--accent); }
@media (max-width: 560px) { .proof-row { grid-template-columns: 1fr; gap: 2px; } }

/* disclosure + position */
.disclosure {
  margin: 26px 0; padding: 16px 20px; border: 1px solid var(--hair-soft); border-radius: 6px;
  background: var(--bg-elev); font-size: 0.9rem; color: var(--text-dim);
}
.disclosure b { color: var(--text); font-weight: 600; }

/* ---------- verify page ---------- */
.verify-run {
  border: 1px solid var(--hair); border-radius: 6px; background: var(--bg-elev);
  padding: 26px; margin: 30px 0;
}
.verify-log {
  font-family: var(--mono); font-size: 0.78rem; line-height: 1.9; color: var(--text-dim);
  max-height: 340px; overflow-y: auto; white-space: pre-wrap; word-break: break-all;
}
.verify-log .ok { color: var(--accent); }
.verify-log .bad { color: var(--bear); }
.code {
  font-family: var(--mono); font-size: 0.78rem; background: var(--bg-elev);
  border: 1px solid var(--hair-soft); border-radius: 6px; padding: 18px 20px;
  overflow-x: auto; margin: 18px 0; line-height: 1.7; white-space: pre-wrap;
}

/* ---------- footer ---------- */
.footer { border-top: 1px solid var(--hair-soft); margin-top: 96px; padding: 56px 0 72px; background: var(--bg-elev); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 44px; margin-bottom: 44px; }
@media (max-width: 800px) { .footer-grid { grid-template-columns: 1fr; gap: 30px; } }
.footer h5 { font-family: var(--mono); font-size: 0.66rem; font-weight: 500; letter-spacing: 0.16em; text-transform: uppercase; color: var(--text-faint); margin-bottom: 14px; }
.footer a { display: block; color: var(--text-dim); font-size: 0.92rem; margin-bottom: 8px; transition: color 150ms ease; }
.footer a:hover { color: var(--text); }
.footer .legal { font-size: 0.82rem; line-height: 1.7; color: var(--text-faint); border-top: 1px solid var(--hair-soft); padding-top: 26px; }
.footer .chainline { font-family: var(--mono); font-size: 0.68rem; color: var(--text-faint); word-break: break-all; margin-top: 14px; }
.footer .chainline b { color: var(--accent); font-weight: 500; }

/* ---------- reveal motion — progressive enhancement: content is NEVER hidden without JS ---------- */
@media (prefers-reduced-motion: no-preference) {
  html.js .rv {
    opacity: 0; transform: translateY(14px);
    transition: opacity 640ms var(--ease-quint), transform 640ms var(--ease-quint);
  }
  html.js .rv.in { opacity: 1; transform: none; }
}

/* page transition — quiet fade on load */
@keyframes pagein { from { opacity: 0; } to { opacity: 1; } }
main { animation: pagein 360ms ease-out; }

/* ================= landing experience (v2) ================= */
.is-landing { background: #0C1210; overflow-x: clip; }
.is-landing #lv-scene {
  position: fixed; inset: 0; width: 100%; height: 100%;
  z-index: 0; pointer-events: none; display: block;
}
.is-landing .nav { position: fixed; top: 0; left: 0; right: 0; }
.is-landing #smooth-content { position: relative; z-index: 1; }
.is-landing main { animation: none; }

/* preloader */
#preloader {
  position: fixed; inset: 0; z-index: 100; background: #0C1210;
  display: flex; align-items: center; justify-content: center;
}
.pre-inner { display: grid; gap: 22px; justify-items: center; text-align: center; }
.pre-name { font-family: var(--serif); font-size: 2.4rem; font-weight: 600; letter-spacing: 0.01em; color: #E9EFE9; }
.pre-rule { width: 150px; height: 1px; background: rgba(233,239,233,0.12); position: relative; overflow: hidden; }
.pre-rule i { position: absolute; inset: 0; width: 0%; background: #4CC38F; display: block; }

/* hero */
.xp-hero {
  min-height: 100vh; min-height: 100svh; display: flex; flex-direction: column;
  justify-content: center; padding: 120px 0 90px; position: relative; overflow: visible;
}
.xp-hero h1 {
  font-size: clamp(2.7rem, 4.6vw, 4.7rem); line-height: 1.01; letter-spacing: -0.018em;
  font-weight: 500;
}
.xp-hero .hl { white-space: nowrap; display: block; overflow: hidden; }
.xp-hero .hl-in { display: block; will-change: transform; }
.xp-hero .hero-stats { margin-top: 54px; }
@media (max-width: 1020px) {
  .xp-hero h1 { font-size: clamp(2.6rem, 7vw, 4.2rem); }
  .xp-hero .hl { white-space: normal; }
}
.xp-hero .hero-sub { font-size: clamp(1.02rem, 1.5vw, 1.2rem); max-width: 52ch; }
.scroll-cue {
  position: absolute; bottom: 34px; right: 34px;
  display: grid; justify-items: center; gap: 10px;
  font-size: 0.6rem; letter-spacing: 0.3em; color: var(--text-faint);
}
.hero-stat .v .dim { font-size: 1.1rem; letter-spacing: 0.04em; }
.scroll-cue i { width: 1px; height: 44px; background: linear-gradient(var(--accent), transparent); display: block; }

/* marquee */
.marquee {
  position: relative; z-index: 1; border-top: 1px solid var(--hair-soft); border-bottom: 1px solid var(--hair-soft);
  background: color-mix(in srgb, var(--bg) 72%, transparent);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  overflow: hidden; padding: 15px 0;
}
.mq-track { display: flex; width: max-content; gap: 0; will-change: transform; }
.mq-item {
  font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.08em; color: var(--text-dim);
  white-space: nowrap; padding-right: 34px; display: inline-flex; align-items: center; gap: 10px;
}
.mq-item b { color: var(--text); font-weight: 500; }
.mq-item i { color: var(--accent); font-style: normal; font-size: 0.55rem; }

/* pinned panels */
.xp-panel { position: relative; height: 100vh; }
.xp-pin { height: 100vh; display: flex; flex-direction: column; justify-content: center; }
.pl-lines { max-width: 780px; display: grid; gap: 30px; margin-top: 34px; border-left: 1px solid var(--hair); padding-left: 34px; }
.pl-line { font-size: clamp(1.35rem, 2.6vw, 2.1rem); line-height: 1.35; color: var(--text-dim); }
.pl-punch { font-style: italic; color: var(--text); font-size: clamp(1.55rem, 3vw, 2.5rem); }
.pl-punch em { color: var(--accent); }

.mech-head h2, .section-head h2 { font-size: clamp(1.9rem, 3.6vw, 2.9rem); font-weight: 500; letter-spacing: -0.012em; line-height: 1.08; margin: 0; }
.mech-head { margin-bottom: 46px; }
.mech-head .label { display: block; margin-bottom: 14px; }
.mech-steps { position: relative; max-width: 520px; min-height: 300px; }
.mech-step { position: absolute; inset: 0; }
.mech-step .n { font-size: 0.72rem; color: var(--accent); letter-spacing: 0.14em; }
.mech-step h3 { font-size: clamp(1.4rem, 2.2vw, 1.9rem); font-weight: 600; margin: 16px 0 12px; }
.mech-step p { color: var(--text-dim); font-size: 1.02rem; line-height: 1.7; max-width: 46ch; }
.mech-dots { position: absolute; left: 0; bottom: -64px; display: flex; gap: 10px; }
.mech-dots i { width: 26px; height: 2px; background: var(--hair); display: block; transition: background var(--t) var(--ease); }
.mech-dots i.on { background: var(--accent); }

/* flowing sections over the scene */
.xp-flow { position: relative; z-index: 1; background: var(--bg); padding: 120px 0; border-top: 1px solid var(--hair-soft); }
#s-record { background: color-mix(in srgb, var(--bg) 94%, transparent); backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px); }

.xp-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.xp-card {
  display: grid; align-content: start; gap: 14px;
  border: 1px solid var(--hair-soft); border-radius: 8px; padding: 40px 34px 34px;
  background: var(--bg-elev); min-height: 280px;
  transform-style: preserve-3d; will-change: transform;
  transition: border-color var(--t) var(--ease);
}
.xp-card:hover { border-color: color-mix(in srgb, var(--accent) 55%, transparent); }
.xp-card h3 { font-size: 1.45rem; font-weight: 600; }
.xp-card p { color: var(--text-dim); font-size: 0.95rem; line-height: 1.65; }
.xp-card-cta { font-size: 0.7rem; letter-spacing: 0.1em; color: var(--accent); margin-top: 8px; }
@media (max-width: 900px) { .xp-cards { grid-template-columns: 1fr; } }

.xp-seal { margin-top: 70px; padding-top: 26px; border-top: 1px solid var(--hair-soft); font-size: 0.7rem; letter-spacing: 0.06em; color: var(--text-faint); word-break: break-all; }
.xp-seal b { color: var(--accent); font-weight: 500; }
.xp-seal a { color: var(--text-dim); } .xp-seal a:hover { color: var(--text); }

.is-landing .footer { margin-top: 0; position: relative; z-index: 1; }

/* split-text lines */
.sl-line { display: block; overflow: hidden; }
.sl-line > div { will-change: transform; }

@media (max-width: 768px) {
  .xp-hero h1 { max-width: 12ch; }
  .pl-lines { padding-left: 22px; gap: 22px; }
  .mech-steps { min-height: 380px; }
}

/* ================= v3: figures, phone, grain ================= */
/* film grain over the landing — organic, filmic, 4% */
body.is-landing::after {
  content: ''; position: fixed; inset: 0; z-index: 40; pointer-events: none; opacity: 0.045;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='240' height='240' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
}

.fig { margin: 0 0 54px; }
.fig figcaption {
  font-size: 0.64rem; letter-spacing: 0.14em; color: var(--text-faint);
  border-top: 1px solid var(--hair); padding: 12px 0 18px;
}
.fig-svg { width: 100%; height: auto; display: block; overflow: visible; }
.fig-svg text { font-family: var(--mono); }

.ch-axis { stroke: var(--hair); stroke-width: 1.5; }
.ch-grid { stroke: var(--hair-soft); stroke-width: 1; }
.ch-tick { fill: var(--text-faint); font-size: 13px; letter-spacing: 0.04em; }
.ch-lab { fill: var(--text-dim); font-size: 13.5px; letter-spacing: 0.08em; }
.ch-lab-v { fill: var(--text); font-weight: 500; }
.ch-rowlab { fill: var(--text-dim); font-size: 13px; letter-spacing: 0.14em; }
.ch-leader { stroke: var(--hair); stroke-width: 1; }
.ch-band { fill: rgba(76, 195, 143, 0.13); stroke: rgba(76, 195, 143, 0.35); stroke-width: 1; }
.ch-dot { fill: var(--accent); stroke: #0C1210; stroke-width: 2.5; }
.ch-act { stroke: var(--accent); stroke-width: 1.5; stroke-dasharray: 5 5; }
.ch-price { stroke: var(--text); stroke-width: 2; }
.ch-note-acc { fill: var(--accent); font-size: 13px; letter-spacing: 0.1em; }
.ch-note-ink { fill: var(--text); font-size: 13px; letter-spacing: 0.1em; font-weight: 500; }
.ch-note-dim { fill: var(--text-faint); font-size: 12px; letter-spacing: 0.07em; }
.ch-note-warm { fill: var(--amber); font-size: 13px; letter-spacing: 0.08em; }

.hm-cell text { fill: rgba(233, 239, 233, 0.85); font-size: 13.5px; }
.hm-hit { fill: none; stroke: var(--text); stroke-width: 2; }

.gate-fill { fill: rgba(224, 139, 123, 0.55); stroke: rgba(224, 139, 123, 0.9); stroke-width: 1; }
.gate-req { stroke: var(--accent); stroke-width: 2.5; }
.stamp rect { fill: none; stroke: var(--amber); stroke-width: 1.6; }
.stamp text { fill: var(--amber); font-size: 13.5px; letter-spacing: 0.1em; font-weight: 500; }
.stamp { transform-box: fill-box; transform-origin: center; transform: rotate(-3.5deg); }

.tl-path { stroke: var(--hair); stroke-width: 1.5; }
.tl-node { fill: var(--bg); stroke: var(--accent); stroke-width: 2; }

/* pocket section */
.pocket-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 60px; align-items: center; }
@media (max-width: 900px) { .pocket-grid { grid-template-columns: 1fr; } }
.phone {
  width: 300px; margin: 0 auto; border-radius: 44px; padding: 14px;
  border: 1px solid var(--hair); background: #0A0F0D;
  box-shadow: 0 40px 90px rgba(0,0,0,0.55), inset 0 0 0 1px rgba(233,239,233,0.04);
  transform: rotate(3deg);
}
.ph-screen {
  border-radius: 32px; background: linear-gradient(180deg, #0E1512, #0B100E);
  border: 1px solid var(--hair-soft); padding: 26px 20px 20px; display: grid; gap: 12px;
}
.ph-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 4px; }
.ph-brand { font-family: var(--serif); font-weight: 600; font-size: 1.05rem; }
.ph-live { font-family: var(--mono); font-size: 0.55rem; letter-spacing: 0.16em; color: var(--accent); }
.ph-stat { border-top: 1px solid var(--hair-soft); padding-top: 12px; display: flex; align-items: baseline; gap: 10px; }
.ph-stat b { font-family: var(--mono); font-size: 1.9rem; font-weight: 500; }
.ph-stat span { font-family: var(--mono); font-size: 0.6rem; letter-spacing: 0.1em; color: var(--text-faint); text-transform: uppercase; }
.ph-row {
  display: flex; align-items: center; gap: 10px; font-family: var(--mono); font-size: 0.72rem;
  border-top: 1px solid var(--hair-soft); padding-top: 11px;
}
.ph-t { font-weight: 500; min-width: 52px; }
.ph-chip {
  font-size: 0.52rem; letter-spacing: 0.12em; color: var(--amber);
  border: 1px solid color-mix(in srgb, var(--amber) 45%, transparent); border-radius: 3px; padding: 2px 6px;
}
.ph-v { margin-left: auto; color: var(--text-dim); font-variant-numeric: tabular-nums; }
.ph-verify {
  margin-top: 8px; font-family: var(--mono); font-size: 0.56rem; letter-spacing: 0.1em;
  color: var(--accent); background: var(--accent-dim); border-radius: 6px; padding: 9px 10px; text-align: center;
}

/* constitution: ledger numbering + off-grid rhythm */
.principle { position: relative; padding-top: 24px; }
.principle .pr-idx {
  position: absolute; top: -12px; left: 0; font-size: 0.66rem; letter-spacing: 0.14em;
  color: var(--accent); background: var(--bg); padding-right: 10px;
}
#s-constitution .principle:nth-child(2) { transform: translateY(26px); }
#s-constitution .principle:nth-child(4) { transform: translateY(26px); }
@media (max-width: 900px) { #s-constitution .principle { transform: none !important; } }

/* ================= v4: equation, evidence, technical detail ================= */
.eq-seg { font-size: 21px; }
.eq-op { fill: var(--text-faint); }
.eq-term { fill: var(--text); font-weight: 500; }
.eq-res { fill: var(--accent); font-weight: 500; }
.eq-brace { fill: none; stroke: var(--hair); stroke-width: 1.2; }
.eq-cap { fill: var(--text-faint); font-size: 11.5px; letter-spacing: 0.1em; }

.ch-sub { fill: var(--text-faint); font-size: 12px; letter-spacing: 0.05em; }
.ch-ev { fill: none; stroke: var(--text-dim); stroke-width: 1.6; }
.hm-base { fill: none; stroke: var(--accent); stroke-width: 1.4; stroke-dasharray: 5 4; }
.hm-legbar { opacity: 0.9; }
.tl-tick { stroke: var(--hair); stroke-width: 1; }

.mech-code {
  display: inline-block; margin-top: 18px; font-family: var(--mono); font-size: 0.72rem;
  letter-spacing: 0.03em; color: var(--accent); background: var(--accent-dim);
  border: 1px solid color-mix(in srgb, var(--accent) 22%, transparent);
  border-radius: 4px; padding: 8px 12px;
}

.evidence { border-top: 1px solid var(--hair); }
.ev-row {
  display: grid; grid-template-columns: 90px 1fr auto; gap: 20px; align-items: baseline;
  border-bottom: 1px solid var(--hair-soft); padding: 15px 0;
}
.ev-t { font-family: var(--mono); font-size: 0.85rem; font-weight: 500; color: var(--accent); }
.ev-c { font-size: 1.0rem; color: var(--text-dim); }
.ev-c b { color: var(--text); }
.ev-s {
  font-family: var(--mono); font-size: 0.6rem; letter-spacing: 0.1em; color: var(--text-faint);
  border: 1px solid var(--hair-soft); border-radius: 3px; padding: 3px 8px; white-space: nowrap;
}
@media (max-width: 640px) {
  .ev-row { grid-template-columns: 64px 1fr; }
  .ev-s { display: none; }
}

.pre-hash { font-size: 0.6rem; letter-spacing: 0.12em; color: #3E4F46; min-height: 14px; }

/* ================= v5: logos, registry card, premium finish ================= */
.lg {
  display: inline-flex; align-items: center; justify-content: center;
  width: 28px; height: 28px; border-radius: 7px; background: #EEF1EC;
  border: 1px solid rgba(233,239,233,0.16); overflow: hidden; flex: none;
  vertical-align: middle;
}
.lg img { width: 100%; height: 100%; object-fit: contain; padding: 3px; display: block; }
.lg-mono { font-family: var(--mono); font-size: 0.7rem; font-weight: 500; color: #17221C; }
.lg-xs { width: 18px; height: 18px; border-radius: 5px; }
.lg-xs img { padding: 2px; }
.lg-sm { width: 22px; height: 22px; border-radius: 6px; margin-right: 9px; }
.lg-sm img { padding: 2px; }
.lg-xl { width: 52px; height: 52px; border-radius: 12px; }
.lg-xl img { padding: 6px; }

.t-cell { display: flex; align-items: center; gap: 12px; }
.mq-item .lg { margin-right: 2px; }
.ph-row .lg { margin-right: 2px; }
.ev-t { display: inline-flex; align-items: center; }
.thesis-title .lg-xl { align-self: center; }

/* hero grid + live registry card */
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(300px, 0.8fr); gap: 60px; align-items: center; }
@media (max-width: 1020px) { .hero-grid { grid-template-columns: 1fr; } .reg-card { display: none; } }
.reg-card {
  justify-self: end; width: min(360px, 100%);
  background: color-mix(in srgb, #101714 58%, transparent);
  backdrop-filter: blur(20px) saturate(1.35);
  -webkit-backdrop-filter: blur(20px) saturate(1.35);
  border: 1px solid var(--hair); border-radius: 16px;
  box-shadow: 0 30px 80px rgba(0,0,0,0.5), inset 0 1px 0 rgba(255,255,255,0.06);
  padding: 20px 22px 18px;
}
.reg-head { display: flex; align-items: center; gap: 10px; padding-bottom: 14px; border-bottom: 1px solid var(--hair-soft); }
.reg-live { font-size: 0.62rem; letter-spacing: 0.18em; color: var(--text-dim); }
.reg-ok { margin-left: auto; font-size: 0.62rem; letter-spacing: 0.1em; color: var(--accent); }
.reg-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); position: relative; }
.reg-dot::after {
  content: ''; position: absolute; inset: -4px; border-radius: 50%;
  border: 1px solid var(--accent); opacity: 0.5; animation: regping 2.2s var(--ease) infinite;
}
@keyframes regping { 0% { transform: scale(0.6); opacity: 0.6; } 80%, 100% { transform: scale(1.6); opacity: 0; } }
.reg-row { display: flex; align-items: center; gap: 10px; padding: 13px 0; border-bottom: 1px solid var(--hair-soft); }
.reg-t { font-size: 0.8rem; font-weight: 500; min-width: 46px; }
.reg-type { font-size: 0.58rem; letter-spacing: 0.1em; color: var(--amber); }
.reg-row .reg-d { margin-left: auto; font-size: 0.62rem; color: var(--text-faint); }
.reg-foot { padding-top: 14px; display: grid; gap: 10px; }
.reg-basket { display: flex; justify-content: space-between; align-items: baseline; }
.reg-basket span { font-size: 0.6rem; letter-spacing: 0.14em; color: var(--text-faint); }
.reg-basket b { font-size: 0.9rem; font-weight: 500; }
.reg-hash { font-size: 0.6rem; letter-spacing: 0.06em; color: var(--text-faint); word-break: break-all; }
.reg-hash a { color: var(--accent); }

/* figure plates — documents, not floating marks */
.fig-plate {
  background: linear-gradient(180deg, #10171466, #0D141166);
  border: 1px solid var(--hair-soft); border-radius: 12px;
  padding: 4px 26px 24px;
}
.fig-plate figcaption { border-top: none; border-bottom: 1px solid var(--hair-soft); padding: 16px 0 14px; margin-bottom: 16px; }

/* quiet ambient glows behind the pinned acts */
#s-problem .xp-pin, #s-mechanism .xp-pin { position: relative; }
#s-problem .xp-pin::before, #s-mechanism .xp-pin::before {
  content: ''; position: absolute; inset: 0; pointer-events: none; z-index: -1;
  background: radial-gradient(46% 38% at 28% 52%, rgba(76,195,143,0.05), transparent 70%);
}

/* ================= v5.1: critique fixes ================= */
/* numeric columns form a right rail */
table.board td:nth-child(n+4), table.board th:nth-child(n+4) { text-align: right; padding-right: 18px; }

.chip-xs { font-size: 0.52rem; padding: 2px 6px; }
.reg-type { font-size: 0.56rem; letter-spacing: 0.12em; color: var(--text-faint); margin-left: 2px; }
.stat-link { display: inline; color: var(--accent); text-decoration: none; margin-left: 6px; }
.stat-link:hover { text-decoration: underline; }

/* text columns get a quiet scrim so the scene never garbles the words */
.pl-lines, .mech-steps, .mech-head {
  position: relative;
}
.pl-lines::before, .mech-steps::before, .mech-head::before {
  content: ''; position: absolute; inset: -30px -60px; z-index: -1; pointer-events: none;
  background: radial-gradient(80% 100% at 35% 50%, rgba(8, 13, 11, 0.82), rgba(8, 13, 11, 0) 74%);
}
@media (max-width: 820px) {
  .pl-lines::before, .mech-steps::before, .mech-head::before { inset: -20px -16px; }
}

/* step dots live with the content, state readable at a glance */
.mech-steps { min-height: 264px; }
.mech-dots { bottom: -38px; }
.mech-dots i { width: 16px; transition: width var(--t) var(--ease), background var(--t) var(--ease); }
.mech-dots i.on { width: 32px; }

.ph-verify { white-space: nowrap; font-size: 0.56rem; }
.phone { transform: rotate(-2deg); }
.xp-analysis .section-head .sub { max-width: 62ch; }

/* ================= v7: instruments, rail, boot ================= */
/* monte carlo */
.mc-band { stroke: none; }
.mc-band-outer { fill: rgba(76, 195, 143, 0.07); }
.mc-band-inner { fill: rgba(76, 195, 143, 0.14); }
.mc-med { fill: none; stroke: var(--accent); stroke-width: 2.2; }
.mc-path { fill: none; stroke: rgba(120, 240, 180, 0.10); stroke-width: 1; }
.mc-ref { stroke: var(--text); stroke-width: 1.4; stroke-dasharray: 6 5; opacity: 0.7; }
.mc-bar { fill: rgba(76, 195, 143, 0.28); }
.mc-stat { fill: var(--text-dim); font-size: 12.5px; letter-spacing: 0.05em; }
.mc-stat-v { fill: var(--text); font-weight: 500; }

/* fib map */
.fib-price { fill: none; stroke: rgba(233, 239, 233, 0.75); stroke-width: 1.8; }
.fib-lvl { stroke: rgba(217, 179, 106, 0.4); stroke-width: 1; stroke-dasharray: 3 6; }
.fib-lab { fill: rgba(217, 179, 106, 0.75); font-size: 11.5px; letter-spacing: 0.04em; }
.fib-ours { stroke: var(--accent); stroke-width: 2.2; }
.fib-ours-lab { fill: var(--accent); font-size: 12.5px; letter-spacing: 0.08em; font-weight: 500; }

/* momentum monitor */
.mo-tick { fill: var(--text); font-size: 14px; font-weight: 500; letter-spacing: 0.04em; }
.mo-val { fill: var(--text-dim); font-size: 12.5px; }
.mo-bar.mo-strong { fill: rgba(76, 195, 143, 0.55); stroke: rgba(76, 195, 143, 0.9); stroke-width: 1; }
.mo-bar.mo-neutral { fill: rgba(147, 164, 154, 0.30); stroke: rgba(147, 164, 154, 0.55); stroke-width: 1; }
.mo-bar.mo-weak { fill: rgba(224, 139, 123, 0.45); stroke: rgba(224, 139, 123, 0.85); stroke-width: 1; }
.mo-rate { font-size: 10.5px; letter-spacing: 0.14em; font-weight: 500; }
.mo-strong-t { fill: var(--accent); }
.mo-neutral-t { fill: var(--text-faint); }
.mo-weak-t { fill: var(--bear); }

/* progress rail — the page as an instrument panel */
.rail {
  position: fixed; left: 26px; top: 50%; transform: translateY(-50%);
  z-index: 45; display: grid; gap: 14px;
}
@media (max-width: 1279px) { .rail { display: none; } }
.rail a { display: flex; align-items: center; gap: 10px; opacity: 0.55; transition: opacity var(--t) var(--ease); }
.rail a:hover { opacity: 1; }
.rail a i {
  width: 18px; height: 1.5px; background: var(--text-faint); display: block; flex: none;
  transition: background var(--t) var(--ease), width var(--t) var(--ease);
}
.rail a span {
  font-family: var(--mono); font-size: 0.55rem; letter-spacing: 0.16em; color: var(--text-faint);
  opacity: 0; transform: translateX(-4px);
  transition: opacity var(--t) var(--ease), transform var(--t) var(--ease), color var(--t) var(--ease);
}
.rail a:hover span { opacity: 1; transform: none; }
.rail a.on { opacity: 1; }
.rail a.on i { background: var(--accent); width: 26px; }
.rail a.on span { opacity: 1; transform: none; color: var(--accent); }

/* boot labels type on with a caret */
.label[data-boot] { min-height: 1em; }
.label[data-boot] .caret {
  display: inline-block; width: 7px; height: 0.9em; background: var(--accent);
  vertical-align: text-bottom; margin-left: 4px; animation: caretblink 0.7s steps(1) infinite;
}
@keyframes caretblink { 50% { opacity: 0; } }

/* ================= v8: clarity ================= */
.scene-key {
  position: absolute; bottom: 34px; left: 24px;
  font-size: 0.58rem; letter-spacing: 0.14em; color: var(--text-faint); max-width: 46ch;
}
@media (max-width: 1020px) { .scene-key { display: none; } }

#s-what { padding: 64px 0; }
#s-what .steps { background: none; border: none; gap: 22px; }
#s-what .step {
  background: var(--bg-elev); border: 1px solid var(--hair-soft); border-radius: 10px;
  padding: 30px 28px 32px;
}
#s-what .step .n { color: var(--text-faint); }
#s-what .step h3 { font-size: 1.3rem; }

.fig-note {
  margin: 14px 0 2px; font-size: 1.02rem; line-height: 1.6; color: var(--text-dim); max-width: 72ch;
}
.fig-note .mono {
  font-size: 0.62rem; letter-spacing: 0.14em; color: var(--accent); margin-right: 10px;
  text-transform: uppercase;
}

.waiting { margin-bottom: 40px; }
.waiting-head { margin-bottom: 18px; }
.waiting-sub { color: var(--text-dim); font-size: 0.96rem; max-width: 62ch; margin-top: 8px; }
.waiting-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
@media (max-width: 1000px) { .waiting-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 540px) { .waiting-grid { grid-template-columns: 1fr; } }
.wait-cell {
  display: grid; grid-template-columns: auto auto 1fr; align-items: center; gap: 8px 10px;
  border: 1px solid var(--hair-soft); border-radius: 8px; background: var(--bg-elev);
  padding: 14px 16px; transition: border-color var(--t) var(--ease), transform var(--t) var(--ease);
}
.wait-cell:hover { border-color: color-mix(in srgb, var(--accent) 50%, transparent); transform: translateY(-2px); }
.wait-t { font-size: 0.82rem; font-weight: 500; }
.wait-act { grid-column: 1 / -1; font-size: 0.68rem; letter-spacing: 0.06em; color: var(--accent); }
.wait-away { grid-column: 1 / -1; font-size: 0.62rem; letter-spacing: 0.05em; color: var(--text-faint); }
.wait-near { border-color: color-mix(in srgb, var(--accent) 45%, transparent); background: color-mix(in srgb, var(--accent) 5%, var(--bg-elev)); }

.reg-act { font-size: 0.6rem; letter-spacing: 0.08em; color: var(--accent); }

/* ================= v9: ambient field replaces the scene ================= */
.ambient { position: fixed; inset: 0; z-index: 0; pointer-events: none; overflow: hidden; }
.ambient::after {
  content: ''; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(233,239,233,0.028) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(233,239,233,0.028) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(80% 70% at 50% 40%, black, transparent 85%);
  -webkit-mask-image: radial-gradient(80% 70% at 50% 40%, black, transparent 85%);
}
.ambient .au { position: absolute; border-radius: 50%; filter: blur(90px); will-change: transform; }
.au1 { width: 780px; height: 780px; left: 52%; top: -18%; background: radial-gradient(circle, rgba(76,195,143,0.13), transparent 65%); }
.au2 { width: 640px; height: 640px; left: -14%; top: 42%; background: radial-gradient(circle, rgba(48,120,94,0.11), transparent 65%); }
.au3 { width: 560px; height: 560px; left: 68%; top: 66%; background: radial-gradient(circle, rgba(217,179,106,0.05), transparent 65%); }
@media (max-width: 768px) {
  .ambient .au { filter: blur(60px); }
  .au1 { width: 420px; height: 420px; }
  .au2, .au3 { width: 340px; height: 340px; }
}

/* softened voice details */
.fig figcaption { letter-spacing: 0.06em; font-size: 0.7rem; }
.fig-note .mono { text-transform: none; letter-spacing: 0.1em; }
.reg-live { letter-spacing: 0.1em; }
.wait-act { letter-spacing: 0.03em; }
.wait-away { letter-spacing: 0.03em; }
.reg-act { letter-spacing: 0.04em; }
.reg-type { letter-spacing: 0.08em; }

/* mechanism as flow section */
#s-mechanism .steps { background: none; border: none; gap: 22px; }
#s-mechanism .step { background: var(--bg-elev); border: 1px solid var(--hair-soft); border-radius: 10px; padding: 30px 28px 32px; }
#s-mechanism .step .n { color: var(--accent); letter-spacing: 0.1em; font-size: 0.68rem; }

/* ================= v9: the engine ================= */
.fn-box { fill: var(--bg-raise); stroke: var(--hair); stroke-width: 1; }
.fn-box-hot { stroke: color-mix(in srgb, var(--accent) 55%, transparent); fill: color-mix(in srgb, var(--accent) 6%, var(--bg-raise)); }
.fn-v { fill: var(--text); font-size: 26px; font-weight: 500; letter-spacing: -0.02em; }
.fn-v-hot { fill: var(--accent); }
.fn-cap { fill: var(--text-faint); font-size: 11.5px; letter-spacing: 0.04em; }
.fn-arrow { fill: none; stroke: var(--text-faint); stroke-width: 1.5; }

.engine-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; margin: 10px 0 22px; }
@media (max-width: 900px) { .engine-cards { grid-template-columns: 1fr; } }
.ec { background: var(--bg-elev); border: 1px solid var(--hair-soft); border-radius: 10px; padding: 30px 30px 28px; }
.ec h3 { font-size: 1.45rem; font-weight: 600; margin: 12px 0 10px; }
.ec p { color: var(--text-dim); font-size: 1.0rem; line-height: 1.68; }
.ec-wide { margin-bottom: 8px; }
.rule-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.rule-chips span {
  font-family: var(--mono); font-size: 0.64rem; letter-spacing: 0.05em; color: var(--text-dim);
  border: 1px solid var(--hair); border-radius: 4px; padding: 5px 10px;
}
.fn-cap { font-size: 10.5px; }
.reg-basket b { white-space: nowrap; font-size: 0.72rem; }
.reg-basket span { max-width: 20ch; }

/* ================= v10: final polish (critic round 2) ================= */
/* what-you-get: open columns under hairlines — boxed cards belong to the mechanism */
#s-what .step { background: transparent; border: none; border-top: 1px solid var(--hair); border-radius: 0; padding: 22px 0 0; }

/* mobile: all four nav destinations stay reachable, tappable */
@media (max-width: 640px) {
  .nav-links a:nth-child(3), .nav-links a:nth-child(4) { display: inline-block; }
  .nav-links { gap: 13px; }
  .nav-links a { font-size: 0.6rem; letter-spacing: 0.05em; padding: 14px 2px; }
  .hero-ctas { flex-direction: column; gap: 12px; }
  .hero-ctas .btn { width: 100%; max-width: 360px; text-align: center; }
}
@media (max-width: 480px) {
  .hero-kicker .label { font-size: 0.6rem; letter-spacing: 0.1em; white-space: nowrap; }
}
/* mobile scrolled header: fully opaque so text never bleeds through the wordmark */
@media (max-width: 768px) {
  html[data-scrolled] .nav { background: color-mix(in srgb, var(--bg) 97%, transparent); }
}
@media (max-width: 480px) {
  .nav-links { gap: 10px; }
  .nav-links a { font-size: 0.56rem; letter-spacing: 0.02em; padding: 14px 1px; }
  .wordmark .name { font-size: 1.1rem; }
}
@media (max-width: 480px) {
  .hero-kicker .rule { width: 22px; }
  .hero-kicker .label { font-size: 0.54rem; letter-spacing: 0.04em; }
}
@media (max-width: 420px) {
  .theme-toggle { display: none; }
}

/* ================= screener ================= */
.sc-controls { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin: 26px 0 18px; }
.sc-q {
  background: var(--bg-elev); border: 1px solid var(--hair); border-radius: 6px;
  color: var(--text); font-size: 0.78rem; padding: 10px 14px; min-width: 220px;
}
.sc-q:focus { outline: none; border-color: var(--accent); }
select.sc-q { min-width: 150px; }
.sc-filters { display: flex; gap: 6px; flex-wrap: wrap; }
.sc-filters button {
  background: none; border: 1px solid var(--hair); border-radius: 5px; color: var(--text-dim);
  font-family: var(--mono); font-size: 0.64rem; letter-spacing: 0.05em; padding: 8px 12px; cursor: pointer;
  transition: color var(--t) var(--ease), border-color var(--t) var(--ease);
}
.sc-filters button:hover { color: var(--text); }
.sc-filters button.on { border-color: var(--accent); color: var(--accent); }
.sc-count { margin-left: auto; font-size: 0.66rem; color: var(--text-faint); }
.sc-table td { font-size: 0.84rem; }
.sc-t { font-weight: 500; }
.sc-sec { color: var(--text-faint); font-size: 0.78rem; }
.sc-veto { font-size: 0.56rem; letter-spacing: 0.04em; color: var(--amber); margin-top: 4px; white-space: normal; }
.chip-dim { border-color: var(--hair); color: var(--text-faint); }
.sc-mr { font-size: 0.6rem; letter-spacing: 0.06em; }
.sc-strong { color: var(--accent); } .sc-firm { color: color-mix(in srgb, var(--accent) 70%, var(--text-dim)); }
.sc-neutral { color: var(--text-dim); } .sc-soft { color: var(--amber); } .sc-weak { color: var(--bear); }
.sc-table th { cursor: pointer; }

/* ================= screener v2 ================= */
.sc-tabs { display: flex; gap: 8px; margin: 30px 0 22px; flex-wrap: wrap; }
.sc-tabs button {
  background: var(--bg-elev); border: 1px solid var(--hair); border-radius: 8px;
  color: var(--text-dim); font-family: var(--mono); font-size: 0.74rem; letter-spacing: 0.04em;
  padding: 12px 20px; cursor: pointer;
  transition: color var(--t) var(--ease), border-color var(--t) var(--ease), background var(--t) var(--ease);
}
.sc-tabs button .n { color: var(--text-faint); margin-left: 6px; }
.sc-tabs button.on { border-color: var(--accent); color: var(--text); background: color-mix(in srgb, var(--accent) 6%, var(--bg-elev)); }
.sc-tabs button.on .n { color: var(--accent); }

.sc-explain {
  border: 1px solid var(--hair-soft); border-radius: 10px; background: var(--bg-elev);
  padding: 26px 30px; margin-bottom: 22px; max-width: 900px;
}
.sc-explain h3 { font-size: 1.3rem; font-weight: 600; margin-bottom: 10px; }
.sc-explain p { color: var(--text-dim); font-size: 0.98rem; line-height: 1.7; }
.sc-explain b { color: var(--text); }

.sc-help-btn {
  background: none; border: none; color: var(--accent); font-size: 0.66rem; letter-spacing: 0.05em;
  cursor: pointer; text-decoration: underline; text-underline-offset: 3px;
}
.sc-help {
  border: 1px solid var(--hair-soft); border-radius: 10px; background: var(--bg-elev);
  padding: 20px 24px; margin-bottom: 18px; display: grid; gap: 12px;
  font-size: 0.9rem; color: var(--text-dim); line-height: 1.6;
}
.sc-help b { color: var(--text); }

.sc-mv-v { font-size: 0.62rem; letter-spacing: 0.08em; }
.sc-band { font-size: 0.72rem; color: var(--text-dim); }
tr.sc-openable { cursor: pointer; }
tr.sc-why td { background: color-mix(in srgb, var(--accent) 4%, var(--bg-elev)); border-bottom: 1px solid var(--hair); }
.sc-why-in { padding: 6px 4px; font-size: 0.95rem; line-height: 1.65; color: var(--text-dim); max-width: 90ch; white-space: normal; }
.sc-why-in .mono { color: var(--accent); font-size: 0.62rem; letter-spacing: 0.1em; margin-right: 8px; }
.sc-why-note { display: block; margin-top: 8px; font-size: 0.78rem; color: var(--text-faint); }

/* ================= screener v3: research cards ================= */
.sc-panel { padding: 10px 6px 14px; white-space: normal; }
.fan { width: 100%; height: auto; display: block; margin-bottom: 18px; }
.fan-grid { stroke: var(--hair-soft); stroke-width: 1; }
.fan-tick { fill: var(--text-faint); font-family: var(--mono); font-size: 11px; }
.fan-cap { fill: var(--text-faint); font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.03em; }
.fan-b1 { fill: rgba(76, 195, 143, 0.07); }
.fan-b2 { fill: rgba(76, 195, 143, 0.14); }
.fan-med { fill: none; stroke: var(--accent); stroke-width: 1.8; }
.fan-line { stroke: var(--text); stroke-width: 1.2; stroke-dasharray: 6 5; opacity: 0.8; }
.fan-line-lab { fill: var(--text); font-family: var(--mono); font-size: 11px; }
.fan-now { fill: var(--accent); stroke: var(--bg); stroke-width: 2; }

.sc-panel-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; margin-bottom: 14px; }
@media (max-width: 900px) { .sc-panel-grid { grid-template-columns: 1fr; } }
.sc-pt { display: block; font-size: 0.62rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent); margin-bottom: 10px; }
.pc-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.pc { position: relative; border: 1px solid var(--hair-soft); border-radius: 8px; padding: 12px 12px 14px; overflow: hidden; }
.pc b { font-family: var(--mono); font-size: 1.3rem; font-weight: 500; display: block; }
.pc span { font-family: var(--mono); font-size: 0.58rem; letter-spacing: 0.06em; color: var(--text-faint); text-transform: uppercase; }
.pc i { position: absolute; left: 0; bottom: 0; height: 3px; background: color-mix(in srgb, var(--accent) 55%, transparent); display: block; }
.sc-pnote { font-size: 0.9rem; color: var(--text-dim); line-height: 1.6; margin-top: 10px; }
.sc-pnote b { color: var(--text); }
.tape-row { display: flex; flex-wrap: wrap; gap: 8px 20px; font-family: var(--mono); font-size: 0.72rem; color: var(--text-dim); }
.tape-row b { color: var(--text); font-weight: 500; }

.hz-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px; }
@media (max-width: 1000px) { .hz-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .hz-grid { grid-template-columns: 1fr; } }
.hz { border: 1px solid var(--hair-soft); border-radius: 8px; padding: 14px 14px 16px; }
.hz b { display: block; font-family: var(--mono); font-size: 0.6rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-dim); margin-bottom: 8px; }
.hz p { font-size: 0.8rem; line-height: 1.55; color: var(--text-faint); }
.hz p b { display: inline; font-family: var(--serif); font-size: inherit; letter-spacing: 0; text-transform: none; color: var(--text); }
.hz-us { border-color: color-mix(in srgb, var(--accent) 40%, transparent); }
.hz-us b { color: var(--accent); }
.hz-us p { color: var(--text-dim); }

/* ================= stock report ================= */
.rp-search { position: relative; max-width: 640px; margin: 30px 0 20px; }
.rp-input {
  width: 100%; background: var(--bg-elev); border: 1px solid var(--hair); border-radius: 10px;
  color: var(--text); font-size: 0.95rem; padding: 17px 20px;
}
.rp-input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 15%, transparent); }
.rp-suggest {
  position: absolute; top: calc(100% + 6px); left: 0; right: 0; z-index: 30;
  background: var(--bg-raise); border: 1px solid var(--hair); border-radius: 10px; overflow: hidden;
  box-shadow: 0 20px 50px rgba(0,0,0,0.5);
}
.rp-suggest button {
  display: flex; gap: 10px; align-items: baseline; width: 100%; text-align: left;
  background: none; border: none; color: var(--text-dim); font-family: var(--serif);
  font-size: 0.92rem; padding: 12px 16px; cursor: pointer;
}
.rp-suggest button:hover { background: var(--accent-dim); color: var(--text); }
.rp-suggest b { color: var(--text); min-width: 58px; }
.rp-suggest span { margin-left: auto; font-family: var(--mono); font-size: 0.6rem; color: var(--text-faint); }
.rp-status { font-size: 0.72rem; color: var(--text-dim); letter-spacing: 0.04em; padding: 10px 0; }

.rp-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 20px; margin: 26px 0 8px; flex-wrap: wrap; }
.rp-tick { font-size: 0.85rem; color: var(--accent); letter-spacing: 0.08em; }
.rp-name { font-size: clamp(1.7rem, 3.4vw, 2.5rem); font-weight: 600; line-height: 1.1; margin: 4px 0; }
.rp-sub { font-size: 0.64rem; color: var(--text-faint); letter-spacing: 0.05em; }
.rp-price { text-align: right; }
.rp-price b { font-family: var(--mono); font-size: 2rem; font-weight: 500; display: block; }
.rp-price span { font-size: 0.62rem; color: var(--text-faint); }
.rp-board {
  display: block; margin: 14px 0; padding: 14px 18px; border: 1px solid color-mix(in srgb, var(--accent) 45%, transparent);
  border-radius: 8px; background: var(--accent-dim); color: var(--text); font-size: 0.95rem;
}
.rp-flag { font-size: 0.66rem; color: var(--amber); margin: 10px 0; letter-spacing: 0.05em; }

.rp-sec { margin: 40px 0; border-top: 1px solid var(--hair-soft); padding-top: 26px; }
.rp-h { font-size: 1.35rem; font-weight: 600; margin-bottom: 14px; }
.rp-means { margin-top: 14px; font-size: 1.0rem; line-height: 1.68; color: var(--text-dim); max-width: 84ch; }
.rp-means .mono { color: var(--accent); font-size: 0.62rem; letter-spacing: 0.12em; margin-right: 8px; }
.rp-means b, .rp-means em { color: var(--text); }
.rp-note { font-size: 0.72rem; color: var(--text-faint); margin-top: 8px; }

.rp-lineblock {
  display: flex; align-items: baseline; gap: 16px; flex-wrap: wrap;
  border: 1px solid color-mix(in srgb, var(--accent) 40%, transparent); border-radius: 10px;
  background: var(--accent-dim); padding: 16px 20px; margin-bottom: 16px;
}
.rp-lineblock .mono { font-size: 0.62rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent); }
.rp-lineblock b { font-family: var(--mono); font-size: 1.7rem; font-weight: 500; }
.rp-lineblock span:last-child { font-size: 0.92rem; color: var(--text-dim); max-width: 52ch; }
.rp-tbl td:first-child { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.04em; white-space: nowrap; }
.rp-mid { color: var(--text); font-weight: 500; }

.rp-charts { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; margin-bottom: 18px; }
@media (max-width: 800px) { .rp-charts { grid-template-columns: 1fr; } }
.rp-ct { display: block; font-size: 0.6rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-faint); margin-bottom: 6px; }
.rp-bars { width: 100%; height: auto; }
.rp-bar { fill: color-mix(in srgb, var(--accent) 60%, transparent); }
.rp-bar-neg { fill: color-mix(in srgb, var(--bear) 60%, transparent); }
.rp-zero { stroke: var(--hair); }
.rp-bartick { fill: var(--text-faint); font-family: var(--mono); font-size: 10px; }
.rp-spark { width: 100%; max-width: 480px; height: auto; }
.rp-spark path { fill: none; stroke: var(--accent); stroke-width: 2; }
.rp-spark circle { fill: var(--accent); }

.rp-list { list-style: none; margin: 0 !important; display: grid; gap: 8px; }
.rp-list li { border-bottom: 1px solid var(--hair-soft); padding-bottom: 8px; font-size: 0.92rem; color: var(--text-dim); }
.rp-assume li b { color: var(--text); }
.rp-tgrid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 14px; }
@media (max-width: 900px) { .rp-tgrid { grid-template-columns: 1fr 1fr; } }
.rp-tc { border: 1px solid var(--hair-soft); border-radius: 8px; padding: 14px; }
.rp-tc .mono { display: block; font-size: 0.58rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-faint); margin-bottom: 6px; }
.rp-tc b { font-family: var(--mono); font-size: 1.05rem; font-weight: 500; }
.rp-tc p { font-size: 0.78rem; color: var(--text-faint); line-height: 1.5; margin-top: 6px; }
.rp-disclaimer { margin: 40px 0 10px; font-size: 0.82rem; color: var(--text-faint); line-height: 1.6; border-top: 1px solid var(--hair-soft); padding-top: 18px; }

/* ================= stock report v2 ================= */
.rp-verdict {
  border: 1px solid color-mix(in srgb, var(--accent) 35%, transparent); border-radius: 12px;
  background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 7%, var(--bg-elev)), var(--bg-elev));
  padding: 22px 26px; margin: 18px 0 6px;
}
.rp-verdict .mono { display: block; font-size: 0.62rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent); margin-bottom: 10px; }
.rp-verdict p { font-size: 1.12rem; line-height: 1.7; color: var(--text-dim); }
.rp-verdict b { color: var(--text); }
.rp-h4 { font-size: 1.02rem; font-weight: 600; margin: 22px 0 10px; }
.rp-mnote { font-size: 0.76rem; color: var(--text-faint); white-space: normal; max-width: 34ch; }
.rp-blend td { border-top: 1px solid var(--hair); background: color-mix(in srgb, var(--accent) 4%, transparent); }
.rp-implied, .rp-believer {
  border: 1px solid var(--hair-soft); border-left: 2px solid var(--amber); border-radius: 8px;
  padding: 14px 18px; margin: 14px 0;
}
.rp-implied .mono, .rp-believer .mono { display: block; font-size: 0.6rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--amber); margin-bottom: 6px; }
.rp-implied p, .rp-believer p { font-size: 0.98rem; line-height: 1.65; color: var(--text-dim); }
.rp-implied b, .rp-believer b { color: var(--text); }