/* reasonsmith landing — forensic dossier identity
   Tokens + layout. One accent (deletion red), tinted neutrals, serif display. */

@font-face {
  font-family: "Newsreader";
  src: url("../../assets/fonts/newsreader-normal.woff2") format("woff2-variations");
  font-weight: 200 800;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Newsreader";
  src: url("../../assets/fonts/newsreader-italic.woff2") format("woff2-variations");
  font-weight: 200 800;
  font-style: italic;
  font-display: swap;
}

:root {
  --font-serif: "Newsreader", Georgia, "Times New Roman", serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  --paper: oklch(96.6% 0.005 95);
  --surface: oklch(99.2% 0.003 95);
  --ink: oklch(24% 0.012 260);
  --ink-muted: oklch(45% 0.012 260);
  --ink-faint: oklch(56% 0.01 260);
  --line: oklch(88% 0.007 260);
  --line-strong: oklch(72% 0.01 260);
  --neutral-soft: oklch(95.5% 0.005 260);

  --accent: oklch(50% 0.19 25);
  --accent-deep: oklch(38% 0.14 25);
  --accent-soft: oklch(94.5% 0.025 25);
  --accent-line: oklch(80% 0.07 25);

  --ok: oklch(44% 0.11 155);
  --ok-soft: oklch(94.5% 0.03 155);
  --ok-line: oklch(82% 0.06 155);

  --step--1: clamp(0.80rem, 0.77rem + 0.15vw, 0.90rem);
  --step-0: clamp(1.00rem, 0.95rem + 0.25vw, 1.13rem);
  --step-1: clamp(1.25rem, 1.15rem + 0.5vw, 1.55rem);
  --step-2: clamp(1.60rem, 1.35rem + 1.2vw, 2.30rem);
  --step-3: clamp(2.10rem, 1.60rem + 2.4vw, 3.60rem);
  --display: clamp(2.60rem, 1.60rem + 4.8vw, 5.60rem);

  --space-2xs: 0.5rem;
  --space-xs: 0.75rem;
  --space-s: 1rem;
  --space-m: 1.5rem;
  --space-l: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;

  --dur-fast: 0.18s;
  --dur-base: 0.4s;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-snap: cubic-bezier(0.16, 1, 0.3, 1);

  --radius: 6px;
  --gutter: clamp(1rem, 0.6rem + 1.6vw, 2.5rem);
}

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

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

body {
  font-family: var(--font-serif);
  font-optical-sizing: auto;
  background-color: var(--paper);
  color: var(--ink);
  line-height: 1.6;
  font-size: var(--step-0);
  overflow-x: hidden;
}

.mono, code {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}
code { font-size: 0.92em; }

::selection { background: var(--accent); color: var(--surface); }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

.skip-link {
  position: fixed;
  left: -9999px;
  top: 0;
  z-index: 40;
  background: var(--ink);
  color: var(--surface);
  font-family: var(--font-mono);
  font-size: var(--step--1);
  padding: var(--space-2xs) var(--space-s);
}
.skip-link:focus { left: var(--space-s); top: var(--space-s); }

/* ---- WebGL canvas: fixed, behind the DOM -------------------------------- */

#gl {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

main, .site-head, .colophon { position: relative; z-index: 1; }

/* ---- progress rail ------------------------------------------------------- */

.progress-rail {
  position: fixed;
  right: var(--space-s);
  top: 50%;
  transform: translateY(-50%);
  z-index: 20;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2xs);
}
.rail-label {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  color: var(--ink-faint);
  writing-mode: vertical-rl;
}
.rail-track {
  width: 2px;
  height: 30vh;
  background: var(--line);
  position: relative;
}
.rail-fill {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--accent);
  transform: scaleY(0);
  transform-origin: top;
}
@media (max-width: 900px) { .progress-rail { display: none; } }

/* ---- header --------------------------------------------------------------- */

.site-head {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 30;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-s) var(--gutter);
  background: color-mix(in oklch, var(--paper) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.brand {
  display: flex;
  align-items: center;
  gap: var(--space-2xs);
  color: var(--ink);
  text-decoration: none;
}
.brand-mark { width: 1.6rem; height: 1.6rem; flex-shrink: 0; }
.brand-mark .mark-live { fill: var(--ok); }
.brand-mark .mark-strike { fill: var(--accent); }
.brand-word {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
}
.brand-sub {
  font-family: var(--font-mono);
  color: var(--ink-faint);
  font-weight: 400;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
}
.site-nav {
  display: flex;
  gap: var(--space-m);
  font-family: var(--font-mono);
  font-size: 0.78rem;
}
.site-nav a {
  color: var(--ink-muted);
  text-decoration: none;
  padding: 0.3rem 0;
  border-bottom: 1px solid transparent;
  transition: color var(--dur-fast) var(--ease-out);
}
.site-nav a:hover { color: var(--accent); border-bottom-color: var(--accent); }
.site-nav .nav-report {
  color: var(--accent-deep);
  font-weight: 700;
  border: 1px solid var(--accent-line);
  border-radius: var(--radius);
  padding: 0.3rem 0.7rem;
}
.site-nav .nav-report:hover { background: var(--accent-soft); }
@media (max-width: 700px) {
  .site-nav a:not(.nav-report) { display: none; }
}

/* ---- hero ----------------------------------------------------------------- */

.hero {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--space-2xl) var(--gutter) var(--space-xl);
  max-width: 1200px;
}
.kicker {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-deep);
  margin-bottom: var(--space-m);
}
.hero-title {
  font-size: var(--display);
  font-weight: 600;
  line-height: 1.02;
  letter-spacing: -0.025em;
  max-width: 14ch;
  text-wrap: balance;
}
.hero-title em {
  font-style: italic;
  font-weight: 400;
  color: var(--accent-deep);
}
.abstract {
  margin-top: var(--space-xl);
  max-width: 56ch;
  padding-top: var(--space-m);
  border-top: 1px solid var(--line-strong);
}
.abstract-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: var(--space-2xs);
}
.abstract p:last-child {
  font-size: var(--step-1);
  line-height: 1.5;
  color: var(--ink-muted);
  text-wrap: pretty;
}
.hero-hint {
  margin-top: var(--space-xl);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

/* ---- beats ---------------------------------------------------------------- */

.beat {
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding: var(--space-2xl) var(--gutter);
}
.beat-inner {
  max-width: 620px;
  background: color-mix(in oklch, var(--surface) 92%, transparent);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  padding: var(--space-l);
  box-shadow: 0 1px 0 var(--line);
}
.beat:nth-of-type(even) .beat-inner { margin-left: auto; }
.beat-index {
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-deep);
  margin-bottom: var(--space-s);
}
.beat h2, .hscroll-head h2 {
  font-size: var(--step-3);
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-m);
  text-wrap: balance;
}
.beat h2 .accent { color: var(--accent); font-style: italic; }
.beat-copy {
  color: var(--ink-muted);
  max-width: 58ch;
  text-wrap: pretty;
  margin-bottom: var(--space-m);
}

.case-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xs) var(--space-m);
  font-size: var(--step--1);
  border-top: 1px dashed var(--line);
  padding-top: var(--space-s);
}
.case-meta div { display: flex; flex-direction: column; }
.case-meta dt {
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.case-meta dd { color: var(--ink); }

/* ---- the deletion: reason audit ------------------------------------------- */

#deletion .beat-inner {
  margin-left: auto;
  max-width: 680px;
}
.reason-audit {
  list-style: none;
  margin: var(--space-m) 0;
  font-size: 0.82rem;
}
.reason-audit li {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: var(--space-2xs);
  padding: 0.4rem 0.5rem;
  margin-bottom: 0.3rem;
  border-radius: 4px;
}
.ra-live {
  background: var(--ok-soft);
  border: 1px solid var(--ok-line);
  color: var(--ok);
}
.ra-deleted {
  background: var(--accent-soft);
  border: 1px solid var(--accent-line);
  color: var(--accent-deep);
}
.ra-deleted::after {
  content: "";
  position: absolute;
  left: 0.3rem;
  right: 0.3rem;
  top: 50%;
  height: 2px;
  background: var(--accent);
  transform: scaleX(var(--strike, 0));
  transform-origin: left center;
}
.ra-tag {
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.08rem 0.35rem;
  border-radius: 3px;
  white-space: nowrap;
}
.ra-live .ra-tag { background: var(--ok); color: var(--surface); }
.ra-deleted .ra-tag { background: var(--accent); color: var(--surface); }
.ra-score { margin-left: auto; color: var(--ink-faint); font-size: 0.72rem; }

.values-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-m);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 0.5rem 0.75rem;
  font-size: var(--step--1);
  background: var(--surface);
}
.values-bar .gap { color: var(--accent); font-weight: 700; }

/* ---- horizontal: regulations ---------------------------------------------- */

.hscroll {
  padding: var(--space-2xl) 0 var(--space-xl);
  overflow: hidden;
}
.hscroll-head {
  padding: 0 var(--gutter) var(--space-l);
  max-width: 1200px;
}
.track-wrap { overflow-x: auto; scroll-snap-type: x mandatory; }
.track-wrap.is-pinned { overflow: hidden; scroll-snap-type: none; }
.track {
  display: flex;
  gap: var(--space-m);
  padding: 0 var(--gutter);
  width: max-content;
}
.panel {
  width: min(26rem, 82vw);
  flex-shrink: 0;
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  padding: var(--space-l);
  display: flex;
  flex-direction: column;
  gap: var(--space-2xs);
}
.panel-no {
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--accent-deep);
}
.panel h3 {
  font-size: var(--step-2);
  font-weight: 600;
  letter-spacing: -0.015em;
  line-height: 1.1;
}
.panel-law {
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-faint);
  padding-bottom: var(--space-2xs);
  border-bottom: 1px dashed var(--line);
  margin-bottom: var(--space-2xs);
}
.panel p:last-child {
  color: var(--ink-muted);
  font-size: var(--step--1);
  text-wrap: pretty;
}
@media (max-width: 700px) {
  .track-wrap { overflow-x: auto; scroll-snap-type: x mandatory; }
  .panel { scroll-snap-align: start; }
}

/* ---- lattice --------------------------------------------------------------- */

.lattice-strip {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2xs);
  margin: var(--space-m) 0;
  font-size: var(--step--1);
}
.ls-step {
  padding: 0.25rem 0.7rem;
  border-radius: 4px;
  border: 1px solid var(--line);
  color: var(--ink-faint);
  background: var(--surface);
}
.ls-observed { background: var(--ok); border-color: var(--ok); color: var(--surface); font-weight: 700; }
.ls-probed { background: var(--ink); border-color: var(--ink); color: var(--surface); font-weight: 700; }
.ls-proved { background: var(--ink); border-color: var(--ink); color: var(--surface); font-weight: 700; }
.ls-unattainable { border-style: dashed; color: var(--accent-deep); border-color: var(--accent-line); }
.ls-arrow { color: var(--line-strong); }

.report-cta { margin-top: var(--space-l); }
.report-link {
  display: inline-flex;
  flex-direction: column;
  gap: 0.2rem;
  text-decoration: none;
  color: var(--ink);
  font-size: var(--step-1);
  font-weight: 600;
  letter-spacing: -0.01em;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  padding: var(--space-m) var(--space-l);
  background: var(--surface);
  transition: border-color var(--dur-fast) var(--ease-out),
    transform var(--dur-fast) var(--ease-out);
}
.report-link .mono { font-size: 0.78rem; color: var(--accent-deep); font-weight: 400; }
.report-link:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

/* ---- colophon -------------------------------------------------------------- */

.colophon {
  border-top: 1px solid var(--line-strong);
  background: var(--neutral-soft);
  padding: var(--space-xl) var(--gutter) var(--space-m);
}
.colophon-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-l);
  max-width: 1200px;
  margin-bottom: var(--space-l);
}
.foot-label {
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: var(--space-2xs);
}
.foot-copy {
  font-size: var(--step--1);
  color: var(--ink-muted);
  line-height: 1.6;
}
.foot-copy a { color: var(--accent-deep); }
.foot-line {
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  color: var(--ink-faint);
  border-top: 1px solid var(--line);
  padding-top: var(--space-s);
}

/* ---- reveals (JS-gated; no-JS shows everything) ---------------------------- */

.will-reveal .reveal {
  opacity: 0;
  transform: translateY(16px);
}
.will-reveal .reveal.in {
  opacity: 1;
  transform: none;
  transition: opacity var(--dur-base) var(--ease-out),
    transform var(--dur-base) var(--ease-out);
}

/* ---- reduced motion -------------------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
  .will-reveal .reveal { opacity: 1; transform: none; }
  .ra-deleted::after { transform: scaleX(1); }
}

/* ---- print ------------------------------------------------------------------ */

@media print {
  #gl, .progress-rail, .site-head { display: none; }
  body { background: #ffffff; }
  .beat, .hero { min-height: 0; padding: var(--space-l) 0; }
  .beat-inner { border: 1px solid oklch(30% 0.012 260); }
  .ra-deleted::after { transform: scaleX(1) !important; }
  .track { flex-wrap: wrap; width: auto; }
}