/* ─────────────────────────────────────────────────────────────
   LandQuant.io · public site
   Aesthetic: Lautner × Neutra × Ellington
   — Californian modernism, jazz rhythm, ground-truth typography
   ───────────────────────────────────────────────────────────── */

:root {
  /* Palette · travertine ground, deep-night ink, brass + pool accents */
  --ink: #0f1a1e;
  --ink-soft: #2a3a3e;
  --ink-mute: #5d6a6d;

  --paper: #ece3d0;          /* travertine, base ground */
  --paper-warm: #f1e9d8;     /* warmer step for cards */
  --paper-cool: #e3d9c5;     /* cooler step for rule lines */

  --night: #0d1719;          /* inverse ground */
  --night-soft: #182428;

  --brass: #b88a4c;
  --teal: #2f6e72;
  --clay: #c8693e;
  --moss: #5e7a3a;

  /* Type system */
  --display: "Instrument Serif", "Times New Roman", serif;
  --sans: "Hanken Grotesk", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
  --helv: "Helvetica Neue", Helvetica, Arial, sans-serif;

  /* Rhythm */
  --col: minmax(0, 1fr);
  --gutter: clamp(1rem, 2.4vw, 2rem);
  --bleed: clamp(1.25rem, 4vw, 4rem);

  --rule: 1px solid color-mix(in oklab, var(--ink) 22%, transparent);
  --rule-inverse: 1px solid color-mix(in oklab, var(--paper) 22%, transparent);

  /* Motion */
  --ease: cubic-bezier(0.2, 0.65, 0.2, 1);
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  font-feature-settings: "ss01", "ss02", "kern";
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-weight: 400;
  font-size: clamp(15px, 1.05vw, 17px);
  line-height: 1.55;
  letter-spacing: -0.005em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;

  /* subtle paper grain */
  background-image:
    radial-gradient(
      circle at 12% 18%,
      color-mix(in oklab, var(--brass) 16%, transparent) 0,
      transparent 38%
    ),
    radial-gradient(
      circle at 88% 82%,
      color-mix(in oklab, var(--teal) 12%, transparent) 0,
      transparent 42%
    ),
    var(--paper);
  background-attachment: fixed;
}

::selection {
  background: var(--ink);
  color: var(--paper);
}

a { color: inherit; text-decoration: none; }
a:hover { color: var(--clay); }
img, svg { display: block; max-width: 100%; }

/* ───────── grain overlay (subtle, fixed) ───────── */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.92' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0  0 0 0 0 0  0 0 0 0 0  0 0 0 0.06 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
  mix-blend-mode: multiply;
  opacity: 0.55;
}

/* ─────────────────────────────────────────────
   CHROME · fixed header + scroll rail
   ───────────────────────────────────────────── */

.chrome {
  position: fixed;
  inset: 0 0 auto 0;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: clamp(0.9rem, 1.6vw, 1.4rem) var(--bleed);
  z-index: 50;
  font-family: var(--sans);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  pointer-events: none;
  /* faint travertine fade so chrome reads over either ground */
  background: linear-gradient(
    to bottom,
    color-mix(in oklab, var(--paper) 92%, transparent) 0,
    color-mix(in oklab, var(--paper) 70%, transparent) 70%,
    transparent 100%
  );
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  transition: background 0.4s var(--ease), color 0.4s var(--ease);
}
.chrome > * { pointer-events: auto; }

/* invert chrome over dark sections (Atlas, Index) */
.chrome.is-inverse {
  background: linear-gradient(
    to bottom,
    color-mix(in oklab, var(--night) 90%, transparent) 0,
    color-mix(in oklab, var(--night) 65%, transparent) 70%,
    transparent 100%
  );
  color: var(--paper);
}
.chrome.is-inverse .chrome__mark { color: var(--paper); }
.chrome.is-inverse .mark__glyph { color: var(--brass); }
.chrome.is-inverse .chrome__nav a { color: color-mix(in oklab, var(--paper) 70%, transparent); }
.chrome.is-inverse .chrome__nav a:hover,
.chrome.is-inverse .chrome__nav a.is-current { color: var(--paper); }
.chrome.is-inverse .chrome__nav a.is-current::after { background: var(--paper); }
.chrome.is-inverse .chrome__meta { color: color-mix(in oklab, var(--paper) 55%, transparent); }
.chrome.is-inverse .chrome__launch {
  color: var(--paper);
  border-color: color-mix(in oklab, var(--paper) 45%, transparent);
}
.chrome.is-inverse .chrome__launch:hover {
  background: var(--paper);
  color: var(--night);
  border-color: var(--paper);
}

.chrome__mark {
  display: inline-flex;
  align-items: baseline;
  gap: 0.55ch;
  font-weight: 600;
  color: var(--ink);
}
.mark__glyph {
  font-family: var(--display);
  font-size: 1.4em;
  line-height: 0;
  position: relative;
  top: 0.1em;
  color: var(--clay);
}
.mark__word { letter-spacing: 0.06em; }

.chrome__nav {
  display: flex;
  gap: clamp(0.9rem, 2vw, 1.8rem);
  justify-self: center;
}
.chrome__nav a {
  position: relative;
  color: var(--ink-soft);
  transition: color 0.25s var(--ease);
}
.chrome__nav a::before {
  content: attr(data-section);
  font-family: var(--mono);
  font-size: 0.7em;
  margin-right: 0.45ch;
  color: var(--brass);
  letter-spacing: 0;
}
.chrome__nav a:hover { color: var(--ink); }
.chrome__nav a.is-current { color: var(--ink); }
.chrome__nav a.is-current::after {
  content: "";
  position: absolute;
  left: 0; right: 0;
  bottom: -0.5em;
  height: 1px;
  background: var(--ink);
}

.chrome__end {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 1.6vw, 1.6rem);
  justify-self: end;
}

.chrome__meta {
  display: flex;
  gap: 1.2rem;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0;
  color: var(--ink-mute);
  text-transform: none;
}

.chrome__launch {
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink);
  border: 1px solid var(--ink-soft);
  padding: 0.5rem 0.85rem;
  white-space: nowrap;
  transition: background 0.25s var(--ease), color 0.25s var(--ease),
    border-color 0.25s var(--ease);
}
.chrome__launch:hover {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}

@media (max-width: 880px) {
  .chrome { grid-template-columns: 1fr auto; }
  .chrome__nav { display: none; }
  .chrome__meta { display: none; }
}

/* ───────── side scroll rail ───────── */
.scroll-rail {
  position: fixed;
  top: 0; bottom: 0;
  right: clamp(0.4rem, 1.2vw, 1rem);
  width: 1px;
  background: color-mix(in oklab, var(--ink) 14%, transparent);
  z-index: 40;
}
.rail__progress {
  position: absolute;
  left: -1px;
  top: 0;
  width: 3px;
  height: 0;
  background: var(--clay);
  transition: height 0.1s linear;
}
@media (max-width: 880px) { .scroll-rail { display: none; } }

/* ─────────────────────────────────────────────
   SECTIONS · shared
   ───────────────────────────────────────────── */

.section {
  position: relative;
  padding: clamp(4rem, 8vh, 6rem) var(--bleed) clamp(3.5rem, 7vh, 5.5rem);
  z-index: 2;
}

.section--hero { padding-top: clamp(5.5rem, 10vh, 8rem); }

.section__head {
  display: grid;
  grid-template-columns: auto auto 1fr;
  align-items: end;
  gap: 1.2rem;
  margin-bottom: clamp(1.4rem, 3.5vh, 3rem);
  color: var(--ink-soft);
}
.section__num {
  font-family: var(--display);
  font-style: italic;
  font-size: clamp(3.2rem, 7vw, 6.5rem);
  line-height: 0.9;
  color: var(--ink);
  margin-left: calc(-1 * clamp(0.3rem, 1vw, 0.9rem));
  /* cantilever — overhang the column edge */
  transform: translateX(-0.04em);
}
.section__title {
  font-family: var(--sans);
  font-size: 0.78rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  padding-bottom: 0.9rem;
  color: var(--ink-mute);
}
.section__rule {
  height: 1px;
  margin-bottom: 1.1rem;
  background: var(--ink-mute);
  opacity: 0.4;
}

.section__head--inverse { color: var(--paper-cool); }
.section__head--inverse .section__num { color: var(--paper); }
.section__head--inverse .section__title { color: color-mix(in oklab, var(--paper) 70%, transparent); }
.section__head--inverse .section__rule { background: var(--paper); opacity: 0.35; }

/* ─────────────────────────────────────────────
   01 · HERO
   ───────────────────────────────────────────── */

.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  grid-template-rows: auto auto auto auto;
  gap: clamp(1.2rem, 2.2vw, 2.2rem) clamp(2rem, 5vw, 5rem);
  align-items: start;
  min-height: 70vh;
}

.hero__eyebrow {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 1rem;
  margin: 0;
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--ink-mute);
  text-transform: uppercase;
}
.eyebrow__rule {
  display: inline-block;
  width: clamp(2.4rem, 6vw, 6rem);
  height: 1px;
  background: var(--ink-mute);
  opacity: 0.6;
}

.hero__head {
  grid-column: 1 / -1;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: clamp(0.3rem, 0.9vw, 0.9rem);
}
.head__brand {
  font-family: var(--helv);
  font-weight: 800;
  font-size: clamp(2.6rem, 9vw, 9rem);
  line-height: 0.9;
  letter-spacing: -0.04em;
  color: var(--clay);
  white-space: nowrap;
}
.head__tag {
  font-family: var(--display);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(1.5rem, 3.6vw, 3.4rem);
  line-height: 1;
  letter-spacing: -0.01em;
  color: var(--ink);
  padding-left: clamp(0.5rem, 3vw, 3.5rem);
}

.hero__lede {
  grid-column: 1 / span 1;
  max-width: 38ch;
  margin: 0;
  font-size: clamp(1.05rem, 1.4vw, 1.35rem);
  line-height: 1.5;
  color: var(--ink-soft);
}

.hero__foot {
  grid-column: 1 / span 1;
  display: flex;
  align-items: center;
  gap: 1.4rem;
  margin-top: 0.4rem;
}

.hero__plate {
  position: relative;
  grid-column: 2 / span 1;
  grid-row: 3 / span 2;
  margin: clamp(-8rem, -6vw, -2rem) clamp(4rem, 9vw, 11rem) 0 0;
  align-self: start;
  justify-self: end;
  width: min(195%, 56rem);
  color: var(--ink-soft);
}
.hero__sun {
  position: absolute;
  z-index: 0;
  left: -4%;
  top: 34%;
  width: clamp(8rem, 17vw, 17rem);
  aspect-ratio: 1;
  background: var(--clay);
  border-radius: 50%;
}
.contour {
  position: relative;
  z-index: 1;
  width: 100%;
  height: auto;
  filter: drop-shadow(0 1px 0 color-mix(in oklab, var(--paper-warm) 80%, transparent));
}

@media (max-width: 880px) {
  .hero__grid { grid-template-columns: 1fr; min-height: auto; }
  .head__line--italic { padding-left: 1.4rem; }
  .hero__plate { grid-column: 1; grid-row: auto; justify-self: start; width: 78%; }
}

/* CTAs */
.cta {
  display: inline-flex;
  align-items: center;
  gap: 0.55ch;
  padding: 0.95rem 1.35rem;
  font-family: var(--sans);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: 1px solid transparent;
  transition: background 0.25s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease);
}
.cta--primary {
  background: var(--ink);
  color: var(--paper);
}
.cta--primary:hover {
  background: var(--clay);
  color: var(--paper);
}
.cta--ghost {
  border-color: var(--ink-soft);
  color: var(--ink);
  background: transparent;
}
.cta--ghost:hover { background: var(--ink); color: var(--paper); border-color: var(--ink); }

/* ─────────────────────────────────────────────
   02 · THESIS
   ───────────────────────────────────────────── */

.section--thesis { padding-top: clamp(4rem, 8vh, 7rem); }

.thesis__grid {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr);
  gap: clamp(2rem, 4vw, 4rem);
  align-items: start;
}
.thesis__lede {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(1.5rem, 2.8vw, 2.6rem);
  line-height: 1.18;
  letter-spacing: -0.012em;
  color: var(--ink);
  max-width: 26ch;
}
.thesis__lede em {
  font-style: italic;
  color: var(--teal);
}

.thesis__list {
  grid-column: 2;
  grid-row: 1 / span 2;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(1.4rem, 3vh, 2.4rem);
}
.thesis__viz {
  grid-column: 1;
  margin: clamp(1.4rem, 3vh, 2.4rem) 0 0;
  align-self: start;
  color: var(--ink-soft);
}
.thesis__viz svg {
  width: 100%;
  max-width: 21rem;
  height: auto;
}
.thesis__item {
  display: grid;
  grid-template-columns: 3.2rem 1fr;
  gap: 0 1.2rem;
  padding-top: 1.2rem;
  border-top: var(--rule);
}
.thesis__item h3 {
  grid-column: 2;
  margin: 0 0 0.45rem;
  font-family: var(--sans);
  font-weight: 600;
  font-size: clamp(1.1rem, 1.4vw, 1.35rem);
  letter-spacing: -0.01em;
  color: var(--ink);
}
.thesis__item p {
  grid-column: 2;
  margin: 0;
  color: var(--ink-soft);
  max-width: 52ch;
}
.item__num {
  grid-row: 1 / span 2;
  font-family: var(--display);
  font-style: italic;
  font-size: clamp(1.4rem, 2vw, 2rem);
  color: var(--brass);
  line-height: 1;
  padding-top: 0.1rem;
}

@media (max-width: 880px) {
  .thesis__grid { grid-template-columns: 1fr; }
  .thesis__list { grid-column: 1; grid-row: auto; }
  .thesis__viz { max-width: 21rem; }
}

.thesis__scope {
  margin: clamp(2rem, 5vh, 3.5rem) 0 0;
  padding-top: 1.2rem;
  border-top: var(--rule);
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  color: var(--ink-mute);
}
.scope__label {
  color: var(--brass);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-right: 1ch;
}

/* ─────────────────────────────────────────────
   03 · SERVICES  (inverse / night ground)
   ───────────────────────────────────────────── */

.section--services {
  background: var(--night);
  color: var(--paper);
  margin-top: clamp(2rem, 5vh, 4rem);
}

.section--services::before,
.section--services::after {
  content: "";
  position: absolute;
  left: 0; right: 0;
  height: 1px;
  background: var(--paper);
  opacity: 0.16;
}
.section--services::before { top: 0; }
.section--services::after { bottom: 0; }

.services__grid {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  gap: clamp(1.6rem, 3vw, 3rem) clamp(2rem, 4vw, 4rem);
  align-items: start;
}

.services__head {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(3rem, 7vw, 6.2rem);
  line-height: 0.95;
  letter-spacing: -0.025em;
  color: var(--paper);
  grid-column: 1;
}
.services__head em {
  font-style: italic;
  color: var(--brass);
}
.services__sub {
  grid-column: 1;
  margin: 0;
  max-width: 38ch;
  color: color-mix(in oklab, var(--paper) 80%, transparent);
  font-size: 1.05rem;
}
.services__viz {
  grid-column: 1;
  margin: 0.6rem 0 0;
  align-self: start;
  color: var(--paper);
}
.services__viz svg {
  width: 100%;
  max-width: 20rem;
  height: auto;
}

.services__cards {
  grid-column: 2;
  grid-row: 1 / span 2;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: color-mix(in oklab, var(--paper) 18%, transparent);
  border: 1px solid color-mix(in oklab, var(--paper) 18%, transparent);
}
.service {
  background: var(--night);
  padding: 1.15rem 1.2rem 1.3rem;
  transition: background 0.3s var(--ease);
}
.service:hover { background: var(--night-soft); }
.service__tag {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--brass);
  display: block;
  margin-bottom: 1.8rem;
}
.service h3 {
  margin: 0 0 0.55rem;
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(1.4rem, 2vw, 1.85rem);
  letter-spacing: -0.01em;
  color: var(--paper);
}
.service p {
  margin: 0;
  font-size: 0.92rem;
  color: color-mix(in oklab, var(--paper) 65%, transparent);
}

@media (max-width: 880px) {
  .services__grid { grid-template-columns: 1fr; }
  .services__cards { grid-column: 1; grid-row: auto; grid-template-columns: 1fr; }
}

/* ─────────────────────────────────────────────
   05 · AUDIENCES
   ───────────────────────────────────────────── */

.aud__grid {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(2rem, 4vw, 4rem);
  align-items: start;
}
.aud__head {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(2.4rem, 5vw, 4.2rem);
  line-height: 1;
  letter-spacing: -0.025em;
  color: var(--ink);
  position: sticky;
  top: clamp(5rem, 10vh, 8rem);
}
.aud__head em { font-style: italic; color: var(--moss); }

.aud__rows {
  display: grid;
  gap: 0;
}
.aud__row {
  display: grid;
  grid-template-columns: 7rem 1fr;
  gap: 0.6rem 1.4rem;
  padding: 1.05rem 0 1.15rem;
  border-top: var(--rule);
}
.aud__row:last-child { border-bottom: var(--rule); }
.aud__icon {
  grid-column: 1;
  width: clamp(2rem, 2.4vw, 2.5rem);
  height: auto;
  color: var(--ink-soft);
  margin-bottom: 0.5rem;
}
.row__tag {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--brass);
  text-transform: uppercase;
  padding-top: 0.1rem;
}
.aud__row h3 {
  grid-column: 2;
  margin: 0 0 0.35rem;
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(1.4rem, 2vw, 1.8rem);
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.aud__row p {
  grid-column: 2;
  margin: 0;
  color: var(--ink-soft);
  max-width: 60ch;
}

@media (max-width: 880px) {
  .aud__grid { grid-template-columns: 1fr; }
  .aud__head { position: static; }
  .aud__row { grid-template-columns: 1fr; gap: 0.5rem; }
}

/* ─────────────────────────────────────────────
   05 · PROCESS
   ───────────────────────────────────────────── */

.process__intro {
  max-width: 60ch;
  margin-bottom: clamp(2rem, 5vh, 3.5rem);
}
.process__head {
  margin: 0 0 1rem;
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(2.4rem, 5vw, 4rem);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.process__intro p {
  margin: 0;
  color: var(--ink-soft);
  font-size: clamp(1.05rem, 1.3vw, 1.2rem);
}
.process__steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: color-mix(in oklab, var(--ink) 18%, transparent);
  border: var(--rule);
}
.process__step {
  background: var(--paper-warm);
  padding: 1.2rem 1.2rem 1.4rem;
  display: grid;
  gap: 0.5rem;
  align-content: start;
  transition: background 0.3s var(--ease);
}
.process__step:hover { background: var(--paper); }
.step__num {
  font-family: var(--display);
  font-style: italic;
  font-size: clamp(2rem, 3vw, 3rem);
  color: var(--brass);
  line-height: 1;
}
.process__step h3 {
  margin: 0;
  font-family: var(--sans);
  font-weight: 600;
  font-size: clamp(1.1rem, 1.4vw, 1.3rem);
  color: var(--ink);
}
.process__step p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--ink-soft);
}
@media (max-width: 880px) {
  .process__steps { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .process__steps { grid-template-columns: 1fr; }
}

/* ─────────────────────────────────────────────
   06 · WHY LQL
   ───────────────────────────────────────────── */

.why__grid {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(2rem, 4vw, 4rem);
  align-items: start;
}
.why__head {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(2.8rem, 6vw, 5rem);
  line-height: 0.98;
  letter-spacing: -0.025em;
  color: var(--ink);
}
.why__head em { font-style: italic; color: var(--clay); }
.why__body {
  margin: 0;
  font-size: clamp(1.1rem, 1.5vw, 1.4rem);
  line-height: 1.5;
  color: var(--ink-soft);
  max-width: 54ch;
}
@media (max-width: 880px) {
  .why__grid { grid-template-columns: 1fr; }
}

/* ─────────────────────────────────────────────
   06 · INDEX / SIGNUP  (inverse)
   ───────────────────────────────────────────── */

.section--index {
  background: var(--night);
  color: var(--paper);
  padding-bottom: clamp(2.5rem, 5vh, 4rem);
}

.idx__grid {
  display: grid;
  gap: clamp(1.6rem, 4vh, 3rem);
}

.idx__head {
  margin: 0;
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(3.2rem, 8.4vw, 8rem);
  line-height: 0.92;
  letter-spacing: -0.03em;
  color: var(--paper);
}
.idx__head em { font-style: italic; color: var(--brass); }

.idx__lede {
  margin: 0;
  max-width: 46ch;
  font-size: clamp(1.05rem, 1.3vw, 1.2rem);
  color: color-mix(in oklab, var(--paper) 75%, transparent);
}

.idx__cta {
  margin-top: 0.4rem;
}

.idx__foot {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.5rem 2rem;
  margin-top: clamp(2rem, 6vh, 4rem);
  padding-top: 1.6rem;
  border-top: 1px solid color-mix(in oklab, var(--paper) 20%, transparent);
  font-size: 0.88rem;
  color: color-mix(in oklab, var(--paper) 72%, transparent);
}
.foot__label {
  display: block;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--brass);
  margin-bottom: 0.6rem;
}
.foot__col p { margin: 0; }
.foot__col--meta { font-size: 0.78rem; }
.foot__col a:hover { color: var(--brass); }

@media (max-width: 880px) {
  .idx__foot { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .idx__foot { grid-template-columns: 1fr; }
}

/* ─────────────────────────────────────────────
   REVEAL · staggered scroll entry
   ───────────────────────────────────────────── */

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
  transition-delay: calc(var(--reveal-delay, 0) * 1ms);
}
.reveal.is-in {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .rail__progress { transition: none; }
}