/* Layout: one hairline instrument. Two column lines run unbroken from header to footer;
   horizontal hairlines only at section boundaries; "+" marks where they meet.
   LAYOUT-owned. Spacing is a strict 8px scale. */

:root {
  --l-center: clamp(736px, 80vw, 1240px); /* desktop center column. Hero builder 2026-10-12 (planner-approved): was clamp(736px, 56vw, var(--center-max)) = 800px at 1440; widened so the 68px headline and its 13-tile flap row sit inside the rails */
  --l-flap-row: 672px;                               /* 10 tiles x 60 + 9 gaps x 8 */
  --l-hair: 1px;
  --l-hair-color: var(--line-strong);
  --l-mark: var(--muted-2);
  --l-topbar-h: 56px;
}

/* ---------- Page frame + full-height column hairlines ---------- */
.page {
  --rail-w: calc((100% - var(--l-center)) / 2);
  position: relative;
  isolation: isolate;
  max-width: var(--page-max);
  margin-inline: auto;
  overflow-x: clip;
}
.page::before,
.page::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: var(--l-hair);
  background: var(--l-hair-color);
  z-index: -1;
  pointer-events: none;
}
.page::before { left: calc(var(--rail-w) - 1px); }
.page::after { left: calc(100% - var(--rail-w)); }

@media (min-width: 1441px) {
  .page { border-inline: 1px solid var(--line); }
}

/* Registration mark: an 11px "+" centred on a hairline intersection. */
.topbar::before, .topbar::after,
.hero::before, .hero::after,
.site-footer::before, .site-footer::after,
.stats::before, .stats::after {
  content: '';
  position: absolute;
  width: 11px;
  height: 11px;
  background:
    linear-gradient(var(--l-mark), var(--l-mark)) center / 1px 100% no-repeat,
    linear-gradient(var(--l-mark), var(--l-mark)) center / 100% 1px no-repeat;
  pointer-events: none;
  z-index: 2;
}
/* full-width lines meet both column lines */
.topbar::before, .hero::before, .site-footer::before { left: calc(var(--rail-w) - 6px); }
.topbar::after, .hero::after, .site-footer::after { left: calc(100% - var(--rail-w) - 5px); }
.topbar::before, .topbar::after, .hero::before, .hero::after { bottom: -6px; }
.site-footer::before, .site-footer::after { top: -6px; }

/* ---------- Header ---------- */
.topbar {
  position: relative;
  display: grid;
  grid-template-columns: var(--rail-w) minmax(0, 1fr) var(--rail-w);
  align-items: center;
  height: var(--l-topbar-h);
  border-bottom: var(--l-hair) solid var(--l-hair-color);
}
.topbar-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  min-width: 0;
  padding-inline: 16px;
}
.topbar-meta-left { flex-direction: column; gap: 0; }
.topbar-meta-left .micro { line-height: 14px; white-space: nowrap; }
.topbar-meta-right .micro { display: inline-flex; align-items: center; gap: 8px; white-space: nowrap; }

/* Logo: the product's Verified badge (the 2D enamel shield from apps/extension
   content/calendar/verifiedBadge.ts, saved as img/verified-badge.svg) and the word, set like
   the host panel's "[badge] Verified" title. Design pass 2026-10-21. */
.brand {
  justify-self: start;
  display: inline-flex;
  align-items: center;
  gap: var(--sp-8);
  font-family: var(--font-body);
  font-size: 18px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.01em;
  color: var(--ink);
  text-decoration: none;
}
.brand-badge { display: block; flex: none; width: 22px; height: 22px; }
.brand-word { display: block; }

.live-dot {
  position: relative;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ink);
}
.live-dot::after {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  border: 1px solid var(--ink);
  opacity: 0;
  animation: live-ping 2.4s var(--ease-out) infinite;
}
@keyframes live-ping {
  0% { transform: scale(.6); opacity: .6; }
  70%, 100% { transform: scale(1.8); opacity: 0; }
}

.motion-control {
  position: relative;
  display: grid;
  place-items: center;
  flex: none;
  width: 32px;
  height: 32px;
  padding: 0;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  background: transparent;
  color: var(--ink);
  transition: border-color var(--dur-fast) var(--ease-out);
}
.motion-control::after { content: ''; position: absolute; inset: -6px; border-radius: 50%; } /* 44px hit area */
.motion-control:hover { border-color: var(--ink); }
.motion-control:focus-visible { border-radius: 50%; }
.motion-control svg { width: 14px; height: 14px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.motion-control .motion-play { display: none; }
.motion-control[aria-pressed='true'] .motion-play { display: block; }
.motion-control[aria-pressed='true'] .motion-pause { display: none; }

/* ---------- Hero grid ---------- */
.hero {
  --rail-split: calc(var(--portrait-height, 840px) / 3);
  position: relative;
  display: grid;
  grid-template-columns: var(--rail-w) minmax(0, 1fr) var(--rail-w);
  grid-template-rows: auto var(--rail-split) auto;
  grid-template-areas:
    "deco-l copy  deco-r"
    "deco-l scene deco-r"
    "stats-l scene stats-r";
  border-bottom: var(--l-hair) solid var(--l-hair-color);
}

.hero-copy {
  grid-area: copy;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 0;
  padding: 64px 32px 40px;
  text-align: center;
}

.headline {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  max-width: 100%;
  margin: 0 0 32px;
}
.headline-statement {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(34px, 4vw, 56px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -.01em;
  color: var(--ink);
  text-wrap: balance;
}
.headline .split-flap { max-width: 100%; }

.subtitle {
  max-width: 60ch;
  margin: 0 auto 40px;
  font-family: var(--font-body);
  font-size: 17px;
  font-weight: 400;
  line-height: 1.6;
  color: var(--ink-2);
  text-wrap: balance;
}

.scene {
  grid-area: scene;
  min-width: 0;
  padding-inline: max(32px, calc((100% - var(--l-flap-row)) / 2));
  padding-bottom: 64px;
}

.grid-deco {
  position: relative;
  min-width: 0;
  pointer-events: none;
}
.grid-deco-left { grid-area: deco-l; }
.grid-deco-right { grid-area: deco-r; }

.deco-readout {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 24px;
  display: flex;
  justify-content: center;
  gap: .6em;
  text-align: center;
  white-space: nowrap;
  opacity: 0;
  transition: opacity var(--dur-slow) var(--ease-out);
}
.deco-readout.is-live { opacity: 1; }
.deco-readout [data-readout-current] { color: var(--ink-2); }

/* ---------- Stats ---------- */
.stats {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 64px;
  min-width: 0;
  padding: 64px 24px;
  border-top: var(--l-hair) solid var(--l-hair-color);
}
.stats-left { grid-area: stats-l; }
.stats-right { grid-area: stats-r; }
/* rail split meets the column line */
.stats::before { top: -6px; }
.stats-left::before { right: -5px; }
.stats-right::before { left: -5px; }
.stats::after { display: none; }

.stat {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  max-width: 248px;
  text-align: center;
}
.stat-icon {
  display: grid;
  place-items: center;
  width: 64px;
  height: 64px;
  margin-bottom: 16px;
  color: var(--ink);
}
.stat-eyebrow {
  position: relative;
  font-size: 10.5px;
  font-weight: 600;
  line-height: 16px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
  transition: color var(--dur) var(--ease-out);
}
.stat-eyebrow::before {
  content: '';
  position: absolute;
  top: 5px;
  left: -14px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ink);
  opacity: 0;
  transform: scale(.4);
  transition: opacity var(--dur) var(--ease-out), transform var(--dur) var(--ease-out);
}
.stat-figure {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: .28em;
  margin-top: 8px;
  font-family: var(--font-display);
  font-size: clamp(32px, 2.6vw, 40px);
  font-weight: 400;
  line-height: 48px;
  letter-spacing: -.01em;
  color: var(--ink-2);
  font-variant-numeric: tabular-nums;
  transition: color var(--dur) var(--ease-out);
}
.stat-num { display: inline-block; text-align: right; }
.stat-sep { color: var(--muted-2); font-weight: 400; }
.stat-copy {
  max-width: 24ch;
  margin-top: 8px;
  font-size: 13px;
  line-height: 20px;
  color: var(--muted);
  text-wrap: balance;
}

/* Active: the scanner is checking this threat right now. */
.stat.is-active .stat-eyebrow,
.stat.is-active .stat-figure { color: var(--ink); }
.stat.is-active .stat-eyebrow::before { opacity: 1; transform: none; }
.stat::after {
  content: '';
  position: absolute;
  left: -16px;
  right: -16px;
  top: -24px;
  height: 100%;
  background: linear-gradient(to bottom, transparent 0, rgba(25, 25, 25, .05) 23px, var(--ink) 23px 24px, transparent 24px);
  -webkit-mask: linear-gradient(90deg, transparent, #000 25%, #000 75%, transparent);
  mask: linear-gradient(90deg, transparent, #000 25%, #000 75%, transparent);
  opacity: 0;
  pointer-events: none;
}
.stat.is-active.is-sweeping::after { animation: stat-scan 1.6s var(--ease-in-out) 1 both; }
@keyframes stat-scan {
  0% { transform: translateY(0); opacity: 0; }
  12% { opacity: .55; }
  85% { opacity: .55; }
  100% { transform: translateY(100%); opacity: 0; }
}

/* ---------- Launch placement (internals are LAUNCH's) ---------- */
:where(main) > .launch {
  margin-inline: var(--rail-w);
  padding: 96px 32px;
  text-align: center;
}

/* ---------- Footer ---------- */
.site-footer {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 48px calc(var(--rail-w) + 24px) 56px;
  border-top: var(--l-hair) solid var(--l-hair-color);
  text-align: center;
}
.footer-contact {
  font-size: 15px;
  line-height: 24px;
  color: var(--ink-2);
}
.footer-contact a {
  color: var(--ink);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-color: var(--line-strong);
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
  overflow-wrap: anywhere;
  transition: text-decoration-color var(--dur-fast) var(--ease-out);
}
.footer-contact a:hover { text-decoration-color: var(--ink); }

/* ---------- Desktop narrow (1100-1279): tighter rails ---------- */
@media (min-width: 1100px) and (max-width: 1279px) {
  .stats { padding-inline: 16px; }
  .stat-copy { font-size: 12.5px; }
  .topbar-meta-left .micro { letter-spacing: .08em; font-size: 9.5px; }
}

/* ---------- Tablet + mobile: rails fold, stats move under the scene ---------- */
@media (max-width: 1099px) {
  .page { --rail-w: clamp(16px, 4vw, 48px); }
  .topbar { grid-template-columns: var(--rail-w) minmax(0, 1fr) auto minmax(0, 1fr) var(--rail-w); }
  .topbar-meta-left { grid-column: 2; align-items: flex-start; justify-self: start; }
  .brand { grid-column: 3; }
  .topbar-meta-right { grid-column: 4; justify-self: end; padding-inline: 16px; }

  .hero {
    grid-template-columns: var(--rail-w) minmax(0, 1fr) minmax(0, 1fr) var(--rail-w);
    grid-template-rows: auto;
    grid-template-areas:
      ". copy copy ."
      ". scene scene ."
      ". stats-l stats-r .";
  }
  .grid-deco { display: none; }

  .stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: stretch;
    gap: 0;
    padding: 0;
  }
  .stat {
    max-width: none;
    padding: 48px 16px;
  }
  .stat + .stat,
  .stats-right { border-left: var(--l-hair) solid var(--l-hair-color); }
  .stat::after { left: 0; right: 0; top: calc(48px - 24px); height: calc(100% - 96px); }
  .stats-left::before { right: auto; left: -6px; }
  .stats-right::before { left: auto; right: -6px; }
}

@media (max-width: 899px) {
  .hero {
    grid-template-columns: var(--rail-w) minmax(0, 1fr) var(--rail-w);
    grid-template-areas:
      ". copy ."
      ". scene ."
      ". stats-l ."
      ". stats-r .";
  }
  .stats-right { border-left: 0; }
  /* matrix centre: the row divider meets the column divider */
  .stats-right::before { left: calc(50% - 5px); right: auto; }
  .stats-left::after { display: block; top: -6px; right: -6px; }
}

@media (max-width: 759px) {
  .topbar-meta-left { display: none; }
  .topbar-meta-right .micro { display: none; }
  .topbar-meta-right { padding-inline: 8px; }

  .hero-copy { padding: 48px 8px 32px; }
  .headline { gap: 16px; margin-bottom: 24px; }
  .headline-statement { font-size: clamp(26px, 7.6vw, 34px); }
  .subtitle { font-size: 16px; margin-bottom: 32px; }
  .scene { padding-inline: 8px; padding-bottom: 48px; }

  .stat { padding: 32px 8px; }
  .stat::after { top: 8px; height: calc(100% - 64px); }
  .stat-icon { width: 56px; height: 56px; margin-bottom: 12px; }
  .stat-figure { font-size: 28px; line-height: 40px; }
  .stat-copy { font-size: 12px; line-height: 18px; }
  .stat-eyebrow { font-size: 9.5px; letter-spacing: .12em; }

  :where(main) > .launch { padding: 64px 16px; }
  .site-footer { padding: 40px calc(var(--rail-w) + 8px) 48px; }
  .footer-contact { font-size: 14px; }
}

/* Supervisor: the wireframe labels each rail once ("In a recent test"), not every stat.
   Only in the rail layout; stacked/mobile layouts keep a label per card. */
@media (min-width: 1100px) {
  .stats .stat + .stat .stat-eyebrow { display: none; }
}

/* Supervisor: the header is the logo only (user request). The pause control moved to the
   portrait caption row, next to the motion it controls. */
.topbar,
.topbar:where(*) { grid-template-columns: var(--rail-w) minmax(0, 1fr) var(--rail-w); }
.topbar .brand { grid-column: 2; justify-self: center; }

/* Supervisor: short desktop screens (1366x768, 1536x864 laptops). Tighten the hero's
   vertical rhythm so the head and eyes land above the fold. Width stays untouched. */



/* Supervisor: two-part subtitle. The lead line carries the promise, the second the mechanism. */
.subtitle { max-width: 62ch; }
.subtitle-lead { display: block; color: var(--ink); font-weight: 500; }

/* Supervisor: more air in the hero copy (user: "feels too cramped"). The lead line gets
   its own breath; generous block spacing wherever the screen is tall enough. */
.subtitle { line-height: 1.75; }
.subtitle-lead { margin-bottom: 18px; }
@media (min-height: 821px) {
  .headline { gap: 52px; margin-bottom: 60px; }
  .subtitle { margin-bottom: 56px; }
}
@media (min-height: 821px) and (max-width: 759px) {
  .headline { gap: 28px; margin-bottom: 36px; }
  .subtitle { margin-bottom: 40px; }
  .subtitle-lead { margin-bottom: 12px; }
}



/* Supervisor: breathing room between the CTA and the portrait. js/hero-fold.js sizes it
   per window so the fold lands across the candidate's eyes; the rail split moves with it
   so the stat hairline keeps its place relative to the face. */
.hero { --rail-split: calc(var(--portrait-height, 840px) / 4 + var(--scene-offset, 48px)); } /* founder: stats a little higher */
.scene { padding-top: var(--scene-offset, 48px); }
@media (max-width: 759px) { .scene { padding-top: var(--scene-offset, 28px); } }

/* Supervisor: short desktop screens (e.g. 1536x696 on a 125%-scaled 1080p laptop). One
   comfortable tier instead of progressively tighter ones: the hero copy breathes, and
   js/hero-fold.js lets the fold fall across the candidate's eyes below it.
   Responsive: the tier reaches 929px tall (was 820). Between 821 and 929 the tall tier's
   extra air pushed the eyes 28 to 64px below the fold (1440x900, 1536x864). */
@media (min-width: 1100px) and (max-height: 929px) {
  .hero-copy { padding-top: 40px; padding-bottom: 20px; }
  .headline { gap: 30px; margin-bottom: 32px; }
  .headline-statement { font-size: clamp(34px, 3.4vw, 50px); }
  .subtitle { margin-bottom: 28px; font-size: 16px; line-height: 1.7; }
  .subtitle-lead { margin-bottom: 12px; }
  /* Stats start near the portrait's top edge (founder: high enough to show in the first view). */
  .hero { --rail-split: calc(var(--scene-offset, 32px) + var(--portrait-height, 640px) / 8); }
}

/* Privacy link beside the copyright (deploy agent). */
.site-footer .micro a {
  color: var(--ink-2);
  text-decoration: underline;
  text-decoration-color: var(--line-strong);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: text-decoration-color var(--dur-fast) var(--ease-out);
}
.site-footer .micro a:hover { text-decoration-color: var(--ink); }

/* Supervisor: stat cards size their type to their own width, so "120 / 120" never
   overflows a narrow 2x2 card. Desktop rails still hit the 40px cap. */
.stat { container-type: inline-size; }
.stat-figure { font-size: min(clamp(32px, 2.6vw, 40px), 18.5cqi); line-height: 1.2; }
.stat-eyebrow { font-size: min(10.5px, 7cqi); letter-spacing: min(.14em, .9cqi); }
.stat-copy { font-size: min(13px, 8.6cqi); line-height: 1.55; }

/* Supervisor: group by proximity. "Stop worrying about" + the flaps read as one sentence,
   and the two subtitle lines read as one statement: tight inside each group, generous
   between groups, so the hero reads as blocks instead of evenly spaced lines. */
.headline { gap: 14px; margin-bottom: 40px; }
.subtitle-lead { margin-bottom: 6px; }
.subtitle { margin-bottom: 36px; }
@media (min-height: 821px) {
  .headline { margin-bottom: 56px; }
  .subtitle { margin-bottom: 48px; }
}
@media (max-width: 759px) {
  .headline { gap: 12px; margin-bottom: 32px; }
  .subtitle-lead { margin-bottom: 4px; }
  .subtitle { margin-bottom: 32px; }
}
@media (min-width: 1100px) and (max-height: 929px) {
  .headline { gap: 14px; margin-bottom: 40px; }
  .subtitle-lead { margin-bottom: 6px; }
  .subtitle { margin-bottom: 32px; }
}

/* Supervisor: "Lab results" appears once per side at every width. In the stacked
   layouts the second label keeps its space (visibility) so numbers stay aligned. */
.stats .stat + .stat .stat-eyebrow { visibility: hidden; }

/* Supervisor: the headline is one sentence over three lines,
   "AI built to detect / [flaps] / in every interview and meeting". The closing line is
   a step smaller so it holds one line on desktop and wraps evenly on phones. */
.headline-tail { font-size: clamp(24px, 2.9vw, 40px); }
@media (max-width: 759px) { .headline-tail { font-size: clamp(20px, 5.8vw, 28px); } }

/* Supervisor: the header follows the three columns. Logo in the left cell, tagline in
   the right cell, centre cell left empty. Narrower screens: logo left, tagline right;
   phones: logo only, centred. */
.topbar,
.topbar:where(*) { grid-template-columns: var(--rail-w) minmax(0, 1fr) var(--rail-w); }
.topbar .brand { grid-column: 1; justify-self: center; }
.topbar-tagline {
  grid-column: 3;
  justify-self: center;
  margin: 0;
  padding-inline: 16px;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  line-height: 1.35;
  color: var(--ink-2);
  text-align: center;
}
@media (max-width: 1099px) {
  .topbar,
  .topbar:where(*) { grid-template-columns: minmax(0, 1fr) auto; padding-inline: calc(var(--rail-w) + 20px); }
  .topbar .brand { grid-column: 1; justify-self: start; }
  .topbar-tagline { grid-column: 2; justify-self: end; padding-inline: 0; text-align: right; }
}
@media (max-width: 599px) {
  .topbar,
  .topbar:where(*) { grid-template-columns: minmax(0, 1fr); }
  .topbar .brand { justify-self: center; }
  .topbar-tagline { display: none; }
}

/* Supervisor: one "The numbers" heading on top of each stat stack (replaces the per-card
   eyebrow). Desktop: one per rail. Stacked layouts: once, above the whole grid. */
.stats-label {
  margin: 0 0 -32px;               /* the stack's 64px gap becomes 32px under the heading */
  font-family: var(--font-body);
  font-size: 10.5px;
  font-weight: 600;
  line-height: 16px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
  text-align: center;
}
@media (max-width: 1099px) {
  .stats-label { grid-column: 1 / -1; margin: 0; padding: 32px 16px 0; }
}
/* Side by side (760 to 1099) each pair keeps its heading so the rows align; stacked, once. */
@media (max-width: 759px) {
  .stats-right .stats-label { display: none; }
}

/* Supervisor: both headline lines share one size (--hl-size). The closing line only
   shrinks if it would otherwise wrap: 14.4em is its measured width at any size. */
.hero-copy { container-type: inline-size; }
.headline { --hl-size: clamp(34px, 4vw, 56px); }
@media (max-width: 759px) { .headline { --hl-size: clamp(26px, 7.6vw, 34px); } }
@media (min-width: 1100px) and (max-height: 929px) { .headline { --hl-size: clamp(34px, 3.4vw, 50px); } }
/* Both lines always match: they take the smaller of the design size and the size at
   which the longer closing line still fits on one line. */
.headline .headline-statement { font-size: min(var(--hl-size), 100cqi / 14.4); }

/* Supervisor: on 1100-1350px screens the rail is narrow, so the header tagline wraps.
   Balance it ("Real face. Real camera. / Real answers.") instead of orphaning a word. */
.topbar-tagline { text-wrap: balance; }
@media (min-width: 1100px) and (max-width: 1350px) { .topbar-tagline { font-size: 12px; } }
.topbar-tagline span { white-space: nowrap; }

/* Responsive: tap targets. The logo link is 24px tall (was 20); the footer's inline links
   get a 24px hit area from vertical padding, which never moves the text. */
.brand { min-height: 24px; }
.site-footer a { padding-block: 5px; }

/* Responsive: on narrow rails (1100-1279) one card's copy wraps to five lines while its
   partner across the portrait takes four, so the second stats sat ~20px apart. Every card
   reserves five lines there and both rails' rows line up. */
@media (min-width: 1100px) and (max-width: 1279px) {
  .stats .stat-copy { min-height: calc(5 * 1.55em); min-height: 5lh; }
}

/* Responsive: very short windows (phones in landscape, 200% zoom on a laptop). The hero copy
   tightens so the headline, subtitle and CTA all fit the first screen (844x390, 640x400). */
@media (max-height: 520px) {
  .hero-copy { padding-top: 24px; padding-bottom: 24px; }
  .headline { gap: 8px; margin-bottom: 20px; }
  .subtitle { margin-bottom: 20px; }
}

/* Responsive: 320-359px phones. The CTA label stays on one line instead of breaking at the
   hyphen ("20-" / "company beta"); the launch column gets the hero's 8px inset to fit it. */
@media (min-width: 320px) and (max-width: 359px) {
  .button.cta-glass.cta-hero,
  .button.cta-glass.cta-launch { white-space: nowrap; gap: 8px; padding-inline: 14px; font-size: 13.5px; }
  :where(main) > .launch { padding-inline: 8px; }
}

/* Shared rails (hero builder, 2026-10-12 polish):
   - the journeys carousel band hides the column hairlines, so peeking cards never show a
     rail running through them (the heading above keeps the frame);
   - short pages (404) fill the screen, so the rails reach the footer. */
.journeys .j-window { position: relative; background: var(--paper); }
.page:has(> main.notfound) { display: flex; flex-direction: column; min-height: 100svh; }
.page:has(> main.notfound) > main.notfound { flex: 1; }

/* =====================================================================================
   Section system (design-system pass, 2026-10-12). One frame for every section after the
   hero: the same padding, the same inset from the rails, the same top hairline with "+"
   marks on both rails, about one screen tall so the next section peeks. Roles and gaps
   come from tokens.css; section files only lay out their own content.
   ===================================================================================== */
.journeys { border-top: 0; }   /* the hero's bottom hairline (with its marks) is the boundary */
.promise, .numbers, .faq, .closing {
  position: relative;
  padding: var(--sec-pad-y) calc(var(--rail-w) + var(--sec-inset));
  border-top: var(--l-hair) solid var(--l-hair-color);
}
.promise, .numbers, .faq {
  display: flex; flex-direction: column; justify-content: center;
  min-height: var(--sec-h);
}
.promise::before, .promise::after, .numbers::before, .numbers::after,
.faq::before, .faq::after, .closing::before, .closing::after {
  content: ''; position: absolute; top: -6px; width: 11px; height: 11px; pointer-events: none; z-index: 2;
  background:
    linear-gradient(var(--l-mark), var(--l-mark)) center / 1px 100% no-repeat,
    linear-gradient(var(--l-mark), var(--l-mark)) center / 100% 1px no-repeat;
}
.promise::before, .numbers::before, .faq::before, .closing::before { left: calc(var(--rail-w) - 6px); }
.promise::after, .numbers::after, .faq::after, .closing::after { left: calc(100% - var(--rail-w) - 5px); }

/* Section head: display face, one weight, two tones, centred, balanced. */
.sec-head {
  margin: 0 auto; max-width: 24ch; text-align: center; text-wrap: balance;
  font-family: var(--font-display); font-weight: var(--fw-display);
  font-size: var(--w-section); line-height: var(--lh-section); letter-spacing: var(--ls-display);
  color: var(--ink);
}
.sec-head .soft { color: var(--muted-2); }

/* Micro labels: one tracked-caps role everywhere. */
.micro { font-size: var(--w-micro); }

/* Phones: sections keep their natural height. */
@media (max-width: 759px) {
  .promise, .numbers, .faq { min-height: 0; }
  .promise, .numbers, .faq, .closing { padding: var(--sp-96) calc(var(--rail-w) + var(--sp-8)) var(--sp-64); }
}

/* Section entrance (js/reveal.js). Hidden only once the script has run and motion is allowed,
   so the page is complete without JS and under reduced motion. Transform and opacity only. */
.rv-on [data-reveal] {
  opacity: 0;
  transform: translate3d(0, var(--rv-rise), 0);
  transition: opacity var(--rv-dur) var(--ease-out), transform var(--rv-dur) var(--ease-out);
  transition-delay: var(--rv-delay, 0ms);
}
.rv-on [data-reveal='fade'] { transform: none; }
.rv-on [data-reveal].is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .rv-on [data-reveal] { opacity: 1; transform: none; transition: none; }
}
/* Long two-tone heads break at the tone change, never mid-phrase. */
.sec-head--split .soft { display: block; }

/* =====================================================================================
   Shared header (design pass 2026-10-21). One treatment on every page: the logo and the
   last header control sit at the same inset from the two column hairlines as section
   content (rail + --sec-inset; phones rail + 8px), so the bar is mirror-symmetric and on
   the page grid. Home's links sit in the true centre. Replaces the stacked rail-cell rules
   above (brand centred in a rail, tagline cell, phone-centred logo).
   ===================================================================================== */
.topbar,
.topbar:where(*) {
  --hdr-inset: calc(var(--rail-w) + var(--sec-inset));
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  column-gap: var(--sp-16);
  padding-inline: var(--hdr-inset);
}
.topbar .brand { grid-column: 1; justify-self: start; }
@media (max-width: 759px) {
  .topbar, .topbar:where(*) { --hdr-inset: calc(var(--rail-w) + var(--sp-8)); }
}