/*
 * Goop landing page — crafted maximalism.
 * Dark only. Editorial / magazine treatment.
 *
 * Brand hue: OKLCH 160 (warm teal-green), shared with the app's tokens.
 * No light-mode override by deliberate choice — see .impeccable.md.
 */

@font-face {
  font-family: 'Bricolage Grotesque';
  src: url('assets/fonts/bricolage-grotesque-latin.woff2') format('woff2-variations'),
       url('assets/fonts/bricolage-grotesque-latin.woff2') format('woff2');
  font-weight: 200 800;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Figtree';
  src: url('assets/fonts/figtree-latin.woff2') format('woff2-variations'),
       url('assets/fonts/figtree-latin.woff2') format('woff2');
  font-weight: 300 900;
  font-style: normal;
  font-display: swap;
}

/* ============================================================
   Tokens
   ============================================================ */

:root {
  /* Color — OKLCH, brand hue 160 (warm teal-green). Surfaces tinted toward brand.
     Aligned with src/styles/tokens.css (the app source of truth). */
  --ink-0: oklch(8% 0.005 160);     /* page bg, off-black with green cast */
  --ink-1: oklch(12% 0.008 160);    /* secondary surface */
  --ink-2: oklch(16% 0.01 160);     /* tertiary surface, sparingly */
  --ink-3: oklch(22% 0.012 160);    /* hairlines, dividers */

  --paper: oklch(94% 0.005 160);    /* primary text */
  --paper-2: oklch(82% 0.012 160);  /* secondary text — AAA */
  --paper-3: oklch(72% 0.012 160);  /* muted, body-size — AA 4.5:1 */
  --paper-4: oklch(56% 0.012 160);  /* dimmest, large-size only — AA 3:1 */

  --teal: oklch(70% 0.13 160);      /* accent, used SPARINGLY */
  --teal-bright: oklch(76% 0.14 160);
  --teal-deep: oklch(40% 0.12 160); /* for accent-on-paper if ever needed */
  --teal-wash: oklch(20% 0.05 160); /* tint wash */

  /* Type — fluid display, fixed body */
  --type-display-xxxl: clamp(3.5rem, 1.5rem + 7vw, 8rem);     /* hero */
  --type-display-xxl:  clamp(3rem, 1rem + 8vw, 8rem);         /* numerals */
  --type-display-xl:   clamp(2rem, 1rem + 4vw, 4.25rem);      /* section heads */
  --type-display-l:    clamp(1.5rem, 1rem + 2vw, 2.5rem);     /* entry heads */
  --type-display-m:    1.375rem;                              /* glossary terms */

  --type-body-l: 1.1875rem;   /* lede */
  --type-body:   1rem;        /* body */
  --type-body-s: 0.875rem;    /* metadata, sidenotes */
  --type-body-xs: 0.75rem;    /* eyebrows, indices */

  --line-tight: 0.95;
  --line-snug: 1.1;
  --line-normal: 1.55;
  --line-loose: 1.7;

  --tracking-tight: -0.025em;
  --tracking-snug: -0.012em;
  --tracking-normal: 0;
  --tracking-wide: 0.08em;
  --tracking-wider: 0.18em;

  /* Spacing — 4pt scale */
  --s-1: 4px;
  --s-2: 8px;
  --s-3: 12px;
  --s-4: 16px;
  --s-6: 24px;
  --s-8: 32px;
  --s-12: 48px;
  --s-16: 64px;
  --s-24: 96px;
  --s-32: 128px;
  --s-48: 192px;

  /* Motion */
  --ease-quart: cubic-bezier(0.25, 1, 0.5, 1);
  --ease-quint: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --dur-fast: 120ms;
  --dur-mid: 240ms;
  --dur-slow: 480ms;
  --dur-hero: 720ms;

  /* Layout — wide editorial container with margin-rail */
  --page-max: 1440px;
  --gutter: clamp(1.25rem, 4vw, 4rem);

  --hairline: 1px solid var(--ink-3);
  --hairline-strong: 1px solid color-mix(in oklch, var(--paper-3), transparent 60%);
}

/* ============================================================
   Reset / base
   ============================================================ */

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

html {
  background: var(--ink-0);
  color-scheme: dark;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-padding-top: 88px;
  scroll-behavior: smooth;
}

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

body {
  margin: 0;
  min-height: 100vh;
  font-family: 'Figtree', ui-sans-serif, system-ui, sans-serif;
  font-weight: 380;
  font-size: var(--type-body);
  line-height: var(--line-normal);
  color: var(--paper);
  background: var(--ink-0);
  font-feature-settings: 'kern', 'liga', 'ss01';
  font-variant-numeric: tabular-nums;
}

img, picture, svg { max-width: 100%; height: auto; display: block; }

a { color: inherit; text-decoration: none; }

button { all: unset; cursor: pointer; }

/* Visible focus on every interactive surface. */
:focus-visible {
  outline: 1.5px solid var(--teal-bright);
  outline-offset: 3px;
  border-radius: 1px;
}

p { margin: 0; }
h1, h2, h3, h4, h5, h6 { margin: 0; }
ul, ol, dl, dd { margin: 0; padding: 0; }
li { list-style: none; }
hr { border: 0; height: 1px; background: var(--ink-3); margin: 0; }

code, kbd, pre {
  font-family: 'Figtree', ui-monospace, SFMono-Regular, Menlo, monospace;
  font-feature-settings: 'tnum';
}

kbd {
  font-size: 0.85em;
  font-weight: 500;
  padding: 0.05em 0.4em;
  border: 1px solid var(--paper-3);
  border-radius: 3px;
  letter-spacing: 0.04em;
  white-space: nowrap;
  color: var(--paper-2);
}

pre {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.9em;
  background: var(--ink-1);
  border: var(--hairline);
  padding: var(--s-4) var(--s-6);
  overflow-x: auto;
  margin: var(--s-4) 0;
}

pre code { font-family: inherit; }

em { font-style: italic; font-feature-settings: 'kern', 'liga'; }

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  top: var(--s-4);
  left: var(--s-4);
  padding: var(--s-2) var(--s-4);
  background: var(--teal);
  color: var(--ink-0);
  font-weight: 600;
  border-radius: 0;
  transform: translateY(-200%);
  transition: transform var(--dur-fast) var(--ease-quart);
  z-index: 50;
}

.skip-link:focus-visible { transform: translateY(0); }

/* Subtle warm noise overlay grounds the page as physical. */
.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  opacity: 0.06;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='180' height='180'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.95' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.95  0 0 0 0 0.97  0 0 0 0 0.95  0 0 0 0.5 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
  background-size: 180px 180px;
}

/* ============================================================
   Page container
   ============================================================ */

.masthead,
.hero,
.ticker,
.dossier,
.indexed,
.begin,
.aside,
.faq,
.colophon-footer {
  position: relative;
  z-index: 2;
}

main {
  display: block;
  /* Several section numerals (.hero__headline, .entry__numeral,
     .step__numeral, .section-headline) use negative margin-left for
     optical alignment. At narrow viewports those bleed past the
     gutter — clip on main contains them without affecting scroll. */
  overflow-x: clip;
}

/* ============================================================
   Masthead
   ============================================================ */

.masthead {
  position: sticky;
  top: 0;
  z-index: 30;
  background: var(--ink-0);
}

.masthead__rule {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: var(--ink-3);
}

.masthead__inner {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--s-8);
  padding: var(--s-4) var(--gutter);
  max-width: var(--page-max);
  margin: 0 auto;
}

.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 0.5em;
  font-family: 'Bricolage Grotesque', system-ui;
  color: var(--paper);
  /* Expand tap target to ~44px on touch devices without growing
     visible type. The masthead's vertical padding absorbs this. */
  padding-block: var(--s-3);
  margin-block: calc(-1 * var(--s-3));
}

.brand__name {
  font-weight: 700;
  font-size: 1.375rem;
  letter-spacing: var(--tracking-tight);
  line-height: 1;
}

.brand__dot {
  color: var(--teal);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1;
  transform: translateY(-0.05em);
}

.brand__sub {
  font-family: 'Figtree', system-ui;
  font-style: italic;
  font-weight: 400;
  font-size: 0.85rem;
  letter-spacing: var(--tracking-snug);
  color: var(--paper-3);
  line-height: 1;
}

@media (max-width: 720px) {
  .brand__dot, .brand__sub { display: none; }
}

.masthead__nav {
  display: flex;
  gap: clamp(var(--s-4), 3vw, var(--s-12));
  font-size: var(--type-body-s);
  letter-spacing: var(--tracking-snug);
  color: var(--paper-2);
  align-items: baseline;
}

.masthead__nav a {
  display: inline-flex;
  align-items: baseline;
  gap: var(--s-2);
  padding-block: var(--s-3);
  margin-block: calc(-1 * var(--s-1));
  transition: color var(--dur-fast) var(--ease-quart);
  border-bottom: 1px solid transparent;
}

.masthead__nav a:hover {
  color: var(--paper);
}

.masthead__index {
  font-family: 'Bricolage Grotesque', system-ui;
  font-feature-settings: 'tnum';
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--paper-4);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
}

@media (max-width: 720px) {
  .masthead__inner { gap: var(--s-4); }
  .masthead__nav { gap: var(--s-3); font-size: 0.78rem; }
  .masthead__index { display: none; }
  .masthead__nav a.masthead__github { display: none; }
}

/* On small mobile, drop the two interior nav links — visitors will
   scroll past those sections anyway. Keep entry, FAQ, and Archive. */
@media (max-width: 540px) {
  .masthead__nav a[href="#depth"],
  .masthead__nav a[href="#begin"] { display: none; }
}

/* ============================================================
   Hero
   ============================================================ */

.hero {
  position: relative;
  padding: clamp(var(--s-6), 3vw, var(--s-12)) var(--gutter) clamp(var(--s-8), 5vw, var(--s-16));
  /* clip is preferred over hidden — it doesn't create a new scroll
     container, so the sticky masthead and any future sticky children
     keep their normal behavior. The blob overflow at small viewports
     and the headline's -0.05em optical bleed both terminate here. */
  overflow: clip;
}

/* Hero blob — brand mark anchored in the upper-right negative space.
   Sits behind the grid so the hairline rule under the lede stays
   clean. Drifts very slowly to feel alive without competing. */
.hero__blob {
  position: absolute;
  top: clamp(-1rem, 1vw, 1rem);
  right: clamp(-4rem, -2vw, -1rem);
  width: clamp(13rem, 24vw, 22rem);
  height: auto;
  transform: translate3d(0, 0, 0) rotate(-8deg);
  z-index: 1;
  pointer-events: none;
  user-select: none;
  will-change: transform;
  filter: saturate(1.05);
  animation: hero-blob-drift 22s ease-in-out infinite;
}

@keyframes hero-blob-drift {
  0%, 100% {
    transform: translate3d(0, 0, 0) rotate(-8deg);
  }
  50% {
    transform: translate3d(-10px, 14px, 0) rotate(-4deg);
  }
}

@media (max-width: 720px) {
  .hero__blob {
    right: -22%;
    width: 14rem;
    opacity: 0.92;
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero__blob {
    animation: none;
  }
}

.hero__grid {
  position: relative;
  z-index: 2;
  max-width: var(--page-max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  row-gap: clamp(var(--s-4), 2.5vw, var(--s-8));
}

.hero__eyebrow {
  font-size: var(--type-body-s);
  color: var(--paper-3);
  letter-spacing: var(--tracking-snug);
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.4em;
}

.hero__eyebrow em {
  color: var(--paper);
  font-style: italic;
}

.hero__eyebrow-mark {
  font-family: 'Bricolage Grotesque', system-ui;
  font-size: 1.05em;
  color: var(--teal);
  margin-right: 0.25em;
}

.hero__eyebrow [data-latest-version] {
  font-feature-settings: 'tnum';
  color: var(--paper);
  font-weight: 500;
}

.hero__headline {
  font-family: 'Bricolage Grotesque', system-ui;
  font-weight: 700;
  font-size: var(--type-display-xxxl);
  font-variation-settings: 'opsz' 96;
  line-height: var(--line-tight);
  letter-spacing: var(--tracking-tight);
  color: var(--paper);
  margin-left: -0.05em; /* optical alignment for letterform whitespace */
  text-wrap: balance;
}

.hero__headline-line {
  display: block;
}

.hero__headline-line--indent {
  padding-left: clamp(var(--s-12), 14vw, 11rem);
  color: var(--teal);
}

/* Per-char weight response — set by JS at runtime when (hover: hover).
   Default weight matches the headline's static state so non-hover users
   see no difference. The transition is none — RAF handles smoothing. */
.hero__char {
  display: inline-block;
  font-variation-settings: 'wght' 600;
  will-change: font-variation-settings;
  transition: none;
}

@media (hover: none), (pointer: coarse), (prefers-reduced-motion: reduce) {
  .hero__char {
    will-change: auto;
    font-variation-settings: 'wght' 700;
  }
}

.hero__lede {
  display: grid;
  grid-template-columns: minmax(0, 22rem) minmax(0, 36rem);
  gap: clamp(var(--s-6), 4vw, var(--s-12));
  align-items: start;
  border-top: var(--hairline);
  padding-top: var(--s-6);
}

.hero__lede-pull {
  font-family: 'Bricolage Grotesque', system-ui;
  font-weight: 500;
  font-size: clamp(1.25rem, 0.9rem + 1.4vw, 1.625rem);
  line-height: 1.2;
  letter-spacing: var(--tracking-snug);
  color: var(--paper);
}

.hero__lede p:not(.hero__lede-pull) {
  font-size: var(--type-body-l);
  line-height: var(--line-loose);
  color: var(--paper-2);
  max-width: 38rem;
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-3);
  align-items: stretch;
}

.btn[hidden] { display: none; }

.btn {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
  padding: var(--s-4) var(--s-6) var(--s-3);
  border: 1px solid var(--paper);
  background: var(--paper);
  color: var(--ink-0);
  font-family: 'Bricolage Grotesque', system-ui;
  font-weight: 600;
  font-size: 1.0625rem;
  letter-spacing: var(--tracking-snug);
  position: relative;
  overflow: hidden;
  transition: background var(--dur-fast) var(--ease-quart),
              color var(--dur-fast) var(--ease-quart),
              border-color var(--dur-fast) var(--ease-quart);
  min-width: 16rem;
}

.btn--primary[data-cta="mac"] {
  background: var(--teal);
  border-color: var(--teal);
  color: var(--ink-0);
}

.btn--primary[data-cta="win"] {
  background: var(--paper);
  border-color: var(--paper);
  color: var(--ink-0);
}

.btn:hover {
  background: var(--ink-0);
  color: var(--paper);
}

.btn--primary[data-cta="mac"]:hover {
  border-color: var(--teal);
  color: var(--teal);
}

.btn--primary[data-cta="win"]:hover {
  border-color: var(--paper);
  color: var(--paper);
}

.btn__rule {
  display: block;
  width: 1.75rem;
  height: 1px;
  background: currentColor;
  opacity: 0.5;
  margin-bottom: var(--s-2);
}

.btn__label {
  font-size: 1.0625rem;
}

.btn__meta {
  font-family: 'Figtree', system-ui;
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  opacity: 0.7;
}

.hero__alt {
  flex-basis: 100%;
  font-size: 0.85rem;
  color: var(--paper-3);
  letter-spacing: var(--tracking-snug);
  margin: var(--s-2) 0 0;
  font-style: italic;
}

.hero__alt a {
  color: var(--paper);
  border-bottom: 1px solid var(--paper-3);
  padding-bottom: 1px;
  padding-block: 0.4em;
  font-style: normal;
  transition: color var(--dur-fast) var(--ease-quart),
              border-color var(--dur-fast) var(--ease-quart);
}

.hero__alt a:hover {
  color: var(--teal);
  border-color: var(--teal);
}

.hero__alt-meta {
  font-style: italic;
  color: var(--paper-3);
  letter-spacing: var(--tracking-snug);
}

.hero__archive {
  flex-basis: 100%;
  font-size: 0.78rem;
  color: var(--paper-3);
  letter-spacing: var(--tracking-snug);
  margin: var(--s-1) 0 0;
  font-style: italic;
}

.hero__archive a {
  color: var(--paper-2);
  border-bottom: 1px solid var(--ink-3);
  padding-bottom: 1px;
  padding-block: 0.5em;
  transition: color var(--dur-fast) var(--ease-quart),
              border-color var(--dur-fast) var(--ease-quart);
}

.hero__archive a:hover {
  color: var(--teal);
  border-color: var(--teal);
}

/* Failure note revealed by app.js when the GitHub release fetch can't
   resolve. Hidden by default so the page stays clean on the happy path. */
.colophon-status {
  font-size: 0.78rem;
  font-style: italic;
  color: var(--paper-3);
  margin: var(--s-3) 0 0;
  letter-spacing: var(--tracking-snug);
  max-width: 36rem;
}

.colophon-status a {
  color: var(--paper-2);
  border-bottom: 1px solid var(--ink-3);
  padding-bottom: 1px;
  font-style: normal;
  transition: color var(--dur-fast) var(--ease-quart),
              border-color var(--dur-fast) var(--ease-quart);
}

.colophon-status a:hover {
  color: var(--teal);
  border-color: var(--teal);
}

/* Colophon — the four-row metadata block under the CTAs */
.colophon {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(220px, 100%), 1fr));
  border-top: var(--hairline);
  font-size: var(--type-body-s);
}

.colophon__row {
  display: grid;
  grid-template-rows: auto auto;
  padding: var(--s-4) var(--s-6) var(--s-4) 0;
  border-right: var(--hairline);
  position: relative;
}

.colophon__row:last-child { border-right: 0; }

.colophon__row dt {
  font-family: 'Figtree', system-ui;
  font-size: 0.78rem;
  font-weight: 400;
  letter-spacing: var(--tracking-snug);
  color: var(--paper-4);
  font-style: italic;
  margin-bottom: var(--s-1);
}

.colophon__row dd {
  font-size: var(--type-body);
  font-weight: 400;
  color: var(--paper);
  letter-spacing: var(--tracking-snug);
}

.colophon__row a {
  border-bottom: 1px solid var(--ink-3);
  padding-block: 0.6em;
  transition: color var(--dur-fast) var(--ease-quart),
              border-color var(--dur-fast) var(--ease-quart);
}

.colophon__row a:hover {
  color: var(--teal);
  border-color: var(--teal);
}

@media (max-width: 720px) {
  .hero__lede {
    grid-template-columns: 1fr;
    gap: var(--s-4);
  }
  .colophon { grid-template-columns: 1fr 1fr; }
  .colophon__row {
    border-right: 0;
    border-bottom: var(--hairline);
    padding-right: 0;
  }
  .colophon__row:nth-child(odd) { padding-right: var(--s-4); border-right: var(--hairline); }
  .btn { min-width: 0; flex: 1 1 16rem; }
}

/* On narrow mobile (iPhone SE class), collapse hero whitespace so both
   the alt-OS link and the archive link land above the 812 fold.
   Body lede font drops slightly to absorb a long paragraph in fewer
   lines without going below 16px. */
@media (max-width: 540px) {
  .hero {
    padding-block-end: var(--s-3);
  }
  .hero__grid {
    row-gap: var(--s-3);
  }
  .hero__headline-line--indent {
    /* Indent eats too much horizontal room at this width — the
       enjambment becomes a hard break mid-word. Pull it back to
       a visible-but-modest offset. */
    padding-left: var(--s-4);
  }
  .hero__lede {
    gap: var(--s-3);
    padding-top: var(--s-3);
  }
  .hero__lede p:not(.hero__lede-pull) {
    font-size: 1rem;
    line-height: 1.5;
  }
  .hero__alt {
    margin-top: 0;
  }
  .hero__alt a {
    padding-block: 0.25em;
  }
  .hero__archive {
    margin-top: var(--s-1);
  }
  .hero__archive a {
    padding-block: 0.35em;
  }
}

/* ============================================================
   Ticker
   ============================================================ */

.ticker {
  border-block: var(--hairline);
  background: var(--ink-1);
  padding: var(--s-12) 0 var(--s-8);
  overflow: hidden;
}

.ticker__intro {
  max-width: var(--page-max);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: grid;
  grid-template-columns: minmax(0, 22rem) minmax(0, 1fr);
  gap: var(--s-6);
  align-items: baseline;
  margin-bottom: var(--s-6);
}

.ticker__heading {
  font-family: 'Bricolage Grotesque', system-ui;
  font-weight: 500;
  font-size: clamp(1.05rem, 0.9rem + 0.5vw, 1.25rem);
  line-height: 1.25;
  color: var(--paper);
  letter-spacing: var(--tracking-snug);
  display: flex;
  flex-wrap: wrap;
  gap: 0.6em;
  align-items: baseline;
}

.ticker__sub {
  font-size: var(--type-body-s);
  color: var(--paper-3);
  font-style: italic;
  letter-spacing: var(--tracking-snug);
}

.ticker__track {
  --ticker-duration: 60s;
  display: flex;
  width: 100%;
  white-space: nowrap;
  overflow: hidden;
  position: relative;
  mask-image: linear-gradient(to right, transparent, black 6%, black 94%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, black 6%, black 94%, transparent);
}

.ticker__list {
  display: inline-flex;
  align-items: center;
  gap: clamp(var(--s-6), 2.5vw, var(--s-12));
  padding-inline: clamp(var(--s-6), 3vw, var(--s-16));
  animation: ticker-scroll var(--ticker-duration) linear infinite;
  font-family: 'Bricolage Grotesque', system-ui;
  font-weight: 600;
  font-size: clamp(1.75rem, 1rem + 3vw, 3.25rem);
  letter-spacing: var(--tracking-tight);
  color: var(--paper);
  font-variation-settings: 'opsz' 96;
}

.ticker__list li:not(.ticker__sep):not(.ticker__more) {
  transition: color var(--dur-fast) var(--ease-quart);
}

.ticker__list li:not(.ticker__sep):not(.ticker__more):hover {
  color: var(--teal);
}

.ticker__sep {
  color: var(--teal);
  font-weight: 400;
  font-size: 0.85em;
  opacity: 0.6;
  user-select: none;
}

.ticker__more {
  font-style: italic;
  font-weight: 400;
  color: var(--paper-3);
}

.ticker__track:hover .ticker__list,
.ticker__track:focus-within .ticker__list {
  animation-play-state: paused;
}

@keyframes ticker-scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

@media (max-width: 720px) {
  .ticker__intro {
    grid-template-columns: 1fr;
    gap: var(--s-2);
  }
}

/* ============================================================
   Section primitives — used by dossier / indexed / begin / faq
   ============================================================ */

.section-eyebrow {
  font-family: 'Bricolage Grotesque', system-ui;
  font-feature-settings: 'tnum';
  font-size: 0.78rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  color: var(--paper-4);
  margin-bottom: var(--s-3);
}

.section-headline {
  font-family: 'Bricolage Grotesque', system-ui;
  font-weight: 600;
  font-size: var(--type-display-xl);
  font-variation-settings: 'opsz' 96;
  line-height: var(--line-snug);
  letter-spacing: var(--tracking-tight);
  color: var(--paper);
  text-wrap: balance;
  margin-bottom: var(--s-4);
  margin-left: -0.04em;
}

.section-lede {
  font-size: var(--type-body-l);
  line-height: 1.5;
  color: var(--paper-2);
  max-width: 36rem;
  font-style: italic;
}

/* ============================================================
   Dossier — "Four jobs."
   ============================================================ */

.dossier {
  padding: clamp(var(--s-16), 8vw, var(--s-32)) var(--gutter);
  max-width: var(--page-max);
  margin: 0 auto;
  border-bottom: var(--hairline);
}

.dossier__header {
  max-width: 52rem;
  margin-bottom: clamp(var(--s-12), 5vw, var(--s-24));
}

.dossier__entries {
  display: grid;
  gap: 0;
}

.entry {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 2.2fr) minmax(0, 0.95fr);
  column-gap: clamp(var(--s-6), 3vw, var(--s-12));
  align-items: start;
  padding: clamp(var(--s-8), 4vw, var(--s-16)) 0;
  border-top: var(--hairline);
  position: relative;
}

.entry:last-child { border-bottom: var(--hairline); }

.entry__numeral {
  font-family: 'Bricolage Grotesque', system-ui;
  font-feature-settings: 'tnum';
  font-weight: 700;
  font-size: var(--type-display-xxl);
  font-variation-settings: 'opsz' 96, 'wght' 700;
  line-height: 0.85;
  letter-spacing: var(--tracking-tight);
  color: var(--paper);
  align-self: start;
  margin-left: -0.06em;
  text-shadow:
    0 0 0 transparent;
}

.entry:hover .entry__numeral {
  color: var(--teal);
}

.entry__numeral {
  transition: color var(--dur-mid) var(--ease-quart);
}

.entry__headline {
  font-family: 'Bricolage Grotesque', system-ui;
  font-weight: 500;
  font-size: var(--type-display-l);
  line-height: 1.1;
  letter-spacing: var(--tracking-snug);
  color: var(--paper);
  margin-bottom: var(--s-4);
}

.entry__body p {
  font-size: var(--type-body-l);
  line-height: var(--line-loose);
  color: var(--paper-2);
  max-width: 36rem;
}

.entry__body p code {
  font-size: 0.92em;
  background: var(--ink-2);
  padding: 0.05em 0.35em;
  border: 1px solid var(--ink-3);
  border-radius: 2px;
  color: var(--paper);
}

.entry__margin {
  font-size: var(--type-body-s);
  line-height: 1.55;
  color: var(--paper-3);
  font-style: italic;
  letter-spacing: var(--tracking-snug);
  border-top: 1px solid var(--ink-3);
  padding-top: var(--s-3);
  align-self: start;
  margin-top: 0.6em;
}

@media (max-width: 880px) {
  .entry {
    grid-template-columns: 1fr;
    gap: var(--s-4);
  }
  .entry__numeral { font-size: clamp(3.5rem, 14vw, 6rem); }
  .entry__margin {
    border-top: var(--hairline);
    padding-top: var(--s-3);
  }
}

/* ============================================================
   Indexed — "Beneath the surface." (glossary)
   ============================================================ */

.indexed {
  padding: clamp(var(--s-16), 8vw, var(--s-32)) var(--gutter);
  max-width: var(--page-max);
  margin: 0 auto;
  background: var(--ink-1);
}

.indexed__header {
  max-width: 52rem;
  margin-bottom: clamp(var(--s-8), 4vw, var(--s-16));
}

.glossary {
  display: grid;
  grid-template-columns: 1fr;
  border-top: var(--hairline);
}

.glossary__row {
  display: grid;
  grid-template-columns: minmax(0, 0.55fr) minmax(0, 1fr);
  column-gap: clamp(var(--s-6), 3vw, var(--s-12));
  padding: var(--s-6) 0;
  border-bottom: var(--hairline);
  align-items: baseline;
}

.glossary__row dt {
  font-family: 'Bricolage Grotesque', system-ui;
  font-weight: 500;
  font-size: var(--type-display-m);
  letter-spacing: var(--tracking-snug);
  color: var(--paper);
  display: flex;
  align-items: baseline;
  gap: 0.5em;
}

.glossary__roman {
  font-family: 'Bricolage Grotesque', system-ui;
  font-feature-settings: 'tnum';
  font-style: italic;
  font-size: 0.85em;
  font-weight: 500;
  color: var(--teal);
  min-width: 1.6em;
}

.glossary__row dd {
  font-size: var(--type-body);
  line-height: 1.6;
  color: var(--paper-2);
  max-width: 38rem;
}

.glossary__row dd kbd {
  font-size: 0.85em;
  font-weight: 500;
  padding: 0.05em 0.45em;
  border: 1px solid var(--paper-4);
  border-radius: 3px;
  letter-spacing: 0.04em;
  color: var(--paper);
  background: transparent;
}

@media (max-width: 760px) {
  .glossary__row {
    grid-template-columns: 1fr;
    gap: var(--s-2);
  }
}

/* ============================================================
   Begin — quickstart
   ============================================================ */

.begin {
  padding: clamp(var(--s-16), 8vw, var(--s-32)) var(--gutter);
  max-width: var(--page-max);
  margin: 0 auto;
  border-bottom: var(--hairline);
}

.begin__header {
  max-width: 52rem;
  margin-bottom: clamp(var(--s-12), 5vw, var(--s-24));
}

.steps {
  display: grid;
  gap: 0;
}

.step {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 3fr);
  column-gap: clamp(var(--s-6), 3vw, var(--s-12));
  padding: clamp(var(--s-8), 4vw, var(--s-12)) 0;
  border-top: var(--hairline);
  align-items: start;
}

.step:last-child { border-bottom: var(--hairline); }

.step__numeral {
  font-family: 'Bricolage Grotesque', system-ui;
  font-feature-settings: 'tnum';
  font-weight: 600;
  font-size: var(--type-display-xxl);
  font-variation-settings: 'opsz' 96;
  line-height: 0.85;
  letter-spacing: var(--tracking-tight);
  color: var(--teal);
  margin-left: -0.06em;
  align-self: start;
}

.step__headline {
  font-family: 'Bricolage Grotesque', system-ui;
  font-weight: 500;
  font-size: var(--type-display-l);
  line-height: 1.15;
  letter-spacing: var(--tracking-snug);
  color: var(--paper);
  margin-bottom: var(--s-4);
}

.step__body p {
  font-size: var(--type-body-l);
  line-height: var(--line-loose);
  color: var(--paper-2);
  max-width: 38rem;
  margin-bottom: var(--s-3);
}

.step__body em {
  font-style: italic;
  color: var(--paper);
}

.step__body .link {
  border-bottom: 1px solid var(--paper-3);
  transition: color var(--dur-fast) var(--ease-quart),
              border-color var(--dur-fast) var(--ease-quart);
}

.step__body .link:hover {
  color: var(--teal);
  border-color: var(--teal);
}

.step__os {
  margin-top: var(--s-4);
}

.step__note {
  font-size: var(--type-body-s);
  font-style: italic;
  color: var(--paper-3);
  border-top: var(--hairline);
  padding-top: var(--s-3);
  margin-top: var(--s-4);
  max-width: 28rem;
}

@media (max-width: 880px) {
  .step {
    grid-template-columns: 1fr;
    gap: var(--s-3);
  }
  .step__numeral { font-size: clamp(3.5rem, 14vw, 6rem); }
}

/* ============================================================
   Aside — "A note on cookies."
   ============================================================ */

.aside {
  padding: clamp(var(--s-16), 8vw, var(--s-24)) var(--gutter);
  max-width: var(--page-max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 0.5fr) minmax(0, 1fr);
  column-gap: clamp(var(--s-6), 3vw, var(--s-16));
  align-items: start;
  background: var(--ink-1);
  border-bottom: var(--hairline);
}

.aside__eyebrow {
  font-family: 'Bricolage Grotesque', system-ui;
  font-style: italic;
  font-size: clamp(1.25rem, 0.9rem + 1vw, 1.75rem);
  font-weight: 400;
  letter-spacing: var(--tracking-snug);
  color: var(--paper-3);
  line-height: 1.2;
}

.aside__quote {
  margin: 0;
  border-left: 0; /* no side stripe — banned */
}

.aside__quote p {
  font-family: 'Bricolage Grotesque', system-ui;
  font-style: italic;
  font-weight: 400;
  font-size: clamp(1.5rem, 1rem + 1.6vw, 2.25rem);
  line-height: 1.25;
  letter-spacing: var(--tracking-snug);
  color: var(--paper);
  text-wrap: balance;
}

.aside__attribution {
  margin-top: var(--s-4);
  font-size: var(--type-body-s);
  color: var(--paper-3);
  font-style: italic;
  letter-spacing: var(--tracking-snug);
  max-width: 32rem;
}

@media (max-width: 760px) {
  .aside {
    grid-template-columns: 1fr;
    gap: var(--s-3);
  }
  .aside__eyebrow { margin-bottom: var(--s-2); }
}

/* ============================================================
   FAQ — "Frequently raised."
   ============================================================ */

.faq {
  padding: clamp(var(--s-16), 8vw, var(--s-32)) var(--gutter);
  max-width: var(--page-max);
  margin: 0 auto;
}

.faq__header {
  max-width: 52rem;
  margin-bottom: clamp(var(--s-8), 4vw, var(--s-16));
}

.faq__list {
  display: grid;
  border-top: var(--hairline);
}

.faq__list li {
  border-bottom: var(--hairline);
}

.faq details {
  position: relative;
}

.faq summary {
  list-style: none;
  cursor: pointer;
  display: grid;
  grid-template-columns: 2.5rem 1fr auto;
  column-gap: var(--s-3);
  padding: var(--s-6) 0;
  align-items: baseline;
  position: relative;
  transition: background var(--dur-fast) var(--ease-quart);
}

.faq summary::-webkit-details-marker { display: none; }

.faq summary:hover .faq__question {
  color: var(--teal);
}

.faq__index {
  font-family: 'Bricolage Grotesque', system-ui;
  font-style: italic;
  font-weight: 500;
  font-size: 1rem;
  color: var(--teal);
  font-feature-settings: 'tnum';
}

.faq__question {
  font-family: 'Bricolage Grotesque', system-ui;
  font-weight: 500;
  font-size: clamp(1.125rem, 0.95rem + 0.5vw, 1.375rem);
  line-height: 1.3;
  letter-spacing: var(--tracking-snug);
  color: var(--paper);
  text-wrap: balance;
  transition: color var(--dur-fast) var(--ease-quart);
}

.faq__chevron {
  width: 1rem;
  height: 1rem;
  position: relative;
  align-self: center;
}

.faq__chevron::before,
.faq__chevron::after {
  content: '';
  position: absolute;
  background: var(--paper-3);
  transition: transform var(--dur-mid) var(--ease-quart),
              opacity var(--dur-mid) var(--ease-quart);
}

.faq__chevron::before {
  inset: 0 0 calc(50% - 0.5px) 0;
  height: 1px;
  top: 50%;
}

.faq__chevron::after {
  inset: 0 calc(50% - 0.5px) 0 calc(50% - 0.5px);
  width: 1px;
  background: var(--paper-3);
}

.faq details[open] .faq__chevron::after {
  transform: scaleY(0);
  opacity: 0;
}

.faq details[open] .faq__chevron::before {
  background: var(--teal);
}

.faq__answer {
  display: grid;
  grid-template-columns: 2.5rem 1fr;
  column-gap: var(--s-3);
  padding-bottom: var(--s-6);
}

.faq__answer > * { grid-column: 2; }

.faq__answer p {
  font-size: var(--type-body);
  line-height: var(--line-loose);
  color: var(--paper-2);
  max-width: 38rem;
  margin-bottom: var(--s-2);
}

.faq__answer p:last-child { margin-bottom: 0; }

.faq__answer pre {
  margin-top: var(--s-3);
}

.faq__answer a {
  border-bottom: 1px solid var(--paper-4);
  transition: color var(--dur-fast) var(--ease-quart),
              border-color var(--dur-fast) var(--ease-quart);
}

.faq__answer a:hover {
  color: var(--teal);
  border-color: var(--teal);
}

.faq details[open] summary {
  padding-bottom: var(--s-3);
}

@media (max-width: 720px) {
  .faq summary, .faq__answer {
    grid-template-columns: 1.6rem 1fr auto;
  }
  .faq__answer {
    grid-template-columns: 1.6rem 1fr;
  }
}

/* ============================================================
   Archive — list of past releases
   ============================================================ */

.archive {
  padding: clamp(var(--s-16), 8vw, var(--s-32)) var(--gutter);
  max-width: var(--page-max);
  margin: 0 auto;
  border-top: var(--hairline);
}

.archive__header {
  max-width: 52rem;
  margin-bottom: clamp(var(--s-8), 4vw, var(--s-16));
}

.archive__list {
  display: grid;
  border-top: var(--hairline);
  margin-bottom: var(--s-8);
}

/* Skeleton rows match the resolved row geometry exactly so the layout
   stays put when JS replaces them. Ghost bars are static — no shimmer
   animation, since the page already respects prefers-reduced-motion
   and a busy shimmer would compete with the ticker. */
.archive__row--skeleton .archive__numeral { color: var(--paper-4); }

.archive__skeleton-bar {
  display: inline-block;
  background: var(--ink-2);
  border-radius: 2px;
  vertical-align: middle;
}

.archive__skeleton-bar--tag {
  width: 4rem;
  height: 1.125rem;
}

.archive__skeleton-bar--date {
  width: 7rem;
  height: 0.78rem;
  margin-top: 4px;
  background: var(--ink-1);
}

.archive__skeleton-bar--title {
  width: min(22rem, 90%);
  height: 1rem;
}

.archive__skeleton-bar--shorter { width: min(18rem, 75%); }
.archive__skeleton-bar--shortest { width: min(14rem, 60%); }

.archive__row {
  display: grid;
  grid-template-columns:
    minmax(2.5rem, 3rem) /* numeral */
    minmax(0, 0.7fr)     /* tag + date + flag */
    minmax(0, 1.4fr);    /* title + links */
  column-gap: clamp(var(--s-4), 2vw, var(--s-8));
  align-items: baseline;
  padding: var(--s-5, 20px) 0;
  border-bottom: var(--hairline);
  position: relative;
  transition: background var(--dur-fast) var(--ease-quart);
}

.archive__row:hover {
  background: color-mix(in oklch, var(--ink-1), transparent 50%);
}

.archive__numeral {
  font-family: 'Bricolage Grotesque', system-ui;
  font-feature-settings: 'tnum';
  font-weight: 500;
  font-size: 1rem;
  color: var(--paper-4);
  letter-spacing: var(--tracking-snug);
  align-self: baseline;
}

.archive__meta {
  display: flex;
  flex-direction: column;
  gap: 2px;
  align-self: baseline;
}

.archive__tag {
  font-family: 'Bricolage Grotesque', system-ui;
  font-feature-settings: 'tnum';
  font-weight: 600;
  font-size: 1.125rem;
  letter-spacing: var(--tracking-snug);
  color: var(--paper);
}

.archive__date {
  font-size: 0.78rem;
  color: var(--paper-3);
  font-feature-settings: 'tnum';
  letter-spacing: var(--tracking-snug);
  font-style: italic;
}

.archive__flag {
  display: inline-block;
  margin-top: var(--s-1);
  font-family: 'Bricolage Grotesque', system-ui;
  font-size: 0.65rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  color: var(--ink-0);
  background: var(--paper-3);
  padding: 0.15em 0.55em;
  align-self: flex-start;
}

.archive__body {
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
  align-self: baseline;
}

.archive__title {
  font-family: 'Figtree', system-ui;
  font-weight: 400;
  font-size: var(--type-body);
  line-height: 1.45;
  color: var(--paper-2);
  margin: 0;
  max-width: 38rem;
}

.archive__links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-2) var(--s-4);
}

.archive__link {
  font-family: 'Bricolage Grotesque', system-ui;
  font-size: 0.78rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  color: var(--paper-2);
  border-bottom: 1px solid var(--ink-3);
  padding-bottom: 1px;
  transition: color var(--dur-fast) var(--ease-quart),
              border-color var(--dur-fast) var(--ease-quart);
}

.archive__link:hover {
  color: var(--teal);
  border-color: var(--teal);
}

.archive__fallback,
.archive__fallback-row {
  padding: var(--s-6) 0;
  border-bottom: var(--hairline);
  color: var(--paper-3);
  font-style: italic;
  font-size: var(--type-body-s);
}

.archive__fallback a,
.archive__more a {
  color: var(--paper);
  border-bottom: 1px solid var(--paper-3);
  padding-block: 0.4em;
  transition: color var(--dur-fast) var(--ease-quart),
              border-color var(--dur-fast) var(--ease-quart);
}

.archive__fallback a:hover,
.archive__more a:hover {
  color: var(--teal);
  border-color: var(--teal);
}

.archive__more {
  font-size: var(--type-body-s);
  color: var(--paper-3);
  font-style: italic;
  letter-spacing: var(--tracking-snug);
}

@media (max-width: 760px) {
  .archive__row {
    grid-template-columns: minmax(2rem, 2.5rem) 1fr;
    grid-template-areas:
      'numeral meta'
      'numeral body';
    row-gap: var(--s-3);
  }
  .archive__numeral { grid-area: numeral; }
  .archive__meta { grid-area: meta; }
  .archive__body { grid-area: body; }
}

/* ============================================================
   Footer — colophon
   ============================================================ */

.colophon-footer {
  position: relative;
  padding: var(--s-16) var(--gutter) var(--s-12);
  background: var(--ink-1);
  margin-top: var(--s-12);
}

.colophon-footer__rule {
  position: absolute;
  top: 0;
  left: var(--gutter);
  right: var(--gutter);
  height: 1px;
  background: var(--ink-3);
}

.colophon-footer__inner {
  max-width: var(--page-max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
  column-gap: clamp(var(--s-6), 4vw, var(--s-16));
  row-gap: var(--s-8);
  align-items: start;
}

.colophon-footer__statement {
  font-family: 'Bricolage Grotesque', system-ui;
  font-style: italic;
  font-weight: 400;
  font-size: clamp(1.125rem, 0.9rem + 0.7vw, 1.5rem);
  line-height: 1.45;
  letter-spacing: var(--tracking-snug);
  color: var(--paper);
  text-wrap: balance;
  max-width: 36rem;
}

.colophon-footer__statement a {
  border-bottom: 1px solid var(--paper-3);
  transition: color var(--dur-fast) var(--ease-quart),
              border-color var(--dur-fast) var(--ease-quart);
}

.colophon-footer__statement a:hover {
  color: var(--teal);
  border-color: var(--teal);
}

.colophon-footer__nav {
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
  font-family: 'Bricolage Grotesque', system-ui;
  font-size: 0.78rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  color: var(--paper-3);
}

.colophon-footer__nav a {
  border-bottom: 1px solid transparent;
  padding-bottom: 1px;
  padding-block: 0.6em;
  transition: color var(--dur-fast) var(--ease-quart),
              border-color var(--dur-fast) var(--ease-quart);
}

.colophon-footer__nav a:hover {
  color: var(--paper);
  border-color: var(--paper-3);
}

.colophon-footer__copy {
  grid-column: 1 / -1;
  font-family: 'Bricolage Grotesque', system-ui;
  font-size: 0.72rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  color: var(--paper-4);
  border-top: var(--hairline);
  padding-top: var(--s-4);
}

@media (max-width: 720px) {
  .colophon-footer__inner {
    grid-template-columns: 1fr;
  }
}

/* ============================================================
   Hero stagger reveal
   ============================================================ */

.hero__eyebrow,
.hero__headline-line,
.hero__lede,
.hero__cta,
.colophon {
  opacity: 0;
  transform: translateY(8px);
  animation: hero-rise var(--dur-hero) var(--ease-expo) forwards;
}

.hero__eyebrow             { animation-delay: 60ms; }
.hero__headline-line:nth-child(1) { animation-delay: 140ms; }
.hero__headline-line:nth-child(2) { animation-delay: 220ms; }
.hero__lede                { animation-delay: 320ms; }
.hero__cta                 { animation-delay: 400ms; }
.colophon                  { animation-delay: 480ms; }

@keyframes hero-rise {
  to { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   Reduced motion
   ============================================================ */

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .ticker__list {
    animation: none;
    transform: none;
  }

  .hero__eyebrow,
  .hero__headline-line,
  .hero__lede,
  .hero__cta,
  .colophon {
    opacity: 1;
    transform: none;
  }
}