/* Nuzi site: layout and components. Semantic tokens only — no literal colours. */

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--surface-canvas);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: var(--type-body-size);
  line-height: var(--type-body-line);
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}
h1, h2, h3, p { margin: 0; }
h1, h2, h3 { text-wrap: balance; }
p { text-wrap: pretty; }
a { color: var(--text-accent); }
img, svg { display: block; }
button { font: inherit; color: inherit; -webkit-tap-highlight-color: transparent; }
a { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 2px solid var(--focus-ring); outline-offset: 2px; border-radius: var(--radius-sm); }
.num { font-variant-numeric: tabular-nums; }
.sprite { position: absolute; }
.ms { fill: none; stroke: currentColor; stroke-width: 2.4; stroke-linecap: round; stroke-linejoin: round; }
.us { fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.probe { position: absolute; width: 0; height: 0; overflow: hidden; pointer-events: none; }
.skip {
  position: fixed; inset-block-start: var(--space-2); inset-inline-start: var(--space-2); z-index: 50;
  padding: var(--space-3) var(--space-4); border-radius: var(--radius-md);
  background: var(--surface-raised); color: var(--text-primary);
  transform: translateY(-200%);
}
.skip:focus { transform: none; }

/* ---------- Header ---------- */
.site-header {
  position: fixed; inset-block-start: 0; inset-inline: 0; z-index: 40;
  padding-block-start: env(safe-area-inset-top);
  background: color-mix(in srgb, var(--surface-canvas) 82%, transparent);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-block-end: 1px solid color-mix(in srgb, var(--border-subtle) 60%, transparent);
}
.header-inner {
  display: flex; align-items: center; gap: var(--space-6);
  max-width: none; height: calc(var(--touch-min) + var(--space-4));
  padding-inline: var(--site-gutter);
}
.brand { display: flex; align-items: center; gap: var(--space-3); color: var(--text-primary); text-decoration: none; min-height: var(--touch-min); }
.brand-icon { width: 36px; height: 36px; border-radius: var(--radius-sm); overflow: hidden; box-shadow: 0 0 0 1px var(--logo-edge); }
.brand-icon img { width: 100%; height: 100%; }
.brand-icon-dark { display: none; }
[data-theme="dark"] .brand-icon-light { display: none; }
[data-theme="dark"] .brand-icon-dark { display: block; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .brand-icon-light { display: none; }
  :root:not([data-theme="light"]) .brand-icon-dark { display: block; }
}
.wordmark { display: flex; align-items: baseline; gap: var(--space-2); }
.wordmark-ar { font-family: var(--font-display); font-weight: 800; font-size: var(--type-display-sm-size); line-height: 1.5; }
.wordmark-lat { font-weight: 600; font-size: var(--type-caption-size); letter-spacing: 0.35em; color: var(--text-secondary); }
.site-nav { display: flex; gap: var(--space-2); margin-inline-start: auto; }
.site-nav a {
  display: inline-flex; align-items: center; min-height: var(--touch-min); padding-inline: var(--space-3);
  color: var(--text-secondary); text-decoration: none; font-size: var(--type-label-size); font-weight: 500;
  border-radius: var(--radius-md);
  transition: color var(--motion-touch) var(--motion-ease), background-color var(--motion-touch) var(--motion-ease);
}
.site-nav a:hover { color: var(--text-primary); background: var(--surface-sunken); }
.menu-btn { display: none; }
@media (max-width: 759px) {
  .theme-switch { margin-inline-start: auto; }
  .menu-btn {
    display: grid; place-items: center; width: var(--touch-min); height: var(--touch-min);
    padding: 0; border: 0; border-radius: var(--radius-md); background: none; color: var(--text-primary); cursor: pointer;
    order: 3; /* after the theme switch: the far (left) edge in RTL */
  }
  .menu-btn .ti { width: var(--icon-md); height: var(--icon-md); }
  .menu-btn .ti-close, .menu-btn[aria-expanded="true"] .ti-menu { opacity: 0; transform: scale(0.25); filter: blur(4px); }
  .menu-btn[aria-expanded="true"] .ti-close { opacity: 1; transform: none; filter: none; }
  .menu-btn:active { transform: scale(0.96); }
  .site-nav {
    position: absolute; inset-block-start: 100%; inset-inline: 0;
    display: grid; gap: var(--space-1); padding: var(--space-2) var(--space-4) var(--space-4);
    background: var(--surface-base); box-shadow: var(--shadow-float);
    border-block-end: 1px solid var(--border-subtle);
    opacity: 0; visibility: hidden; transform: translateY(-8px);
    transition: opacity var(--motion-sheet) var(--motion-ease), transform var(--motion-sheet) var(--motion-ease), visibility 0s linear var(--motion-sheet);
  }
  .site-nav.is-open { opacity: 1; visibility: visible; transform: none; transition-delay: 0s; }
  .site-nav a { min-height: var(--touch-min); font-size: var(--type-body-size); color: var(--text-primary); padding-inline: var(--space-3); }
  .no-js .site-nav { position: static; opacity: 1; visibility: visible; transform: none; display: flex; box-shadow: none; background: none; padding: 0; border: 0; }
  .header-inner { position: relative; }
}

/* Theme switch: sliding thumb + icon swap */
.theme-switch {
  display: grid; place-items: center; min-width: var(--touch-min); min-height: var(--touch-min);
  padding: 0; border: 0; background: none; cursor: pointer;
}
.theme-switch-track {
  position: relative; width: 56px; height: 32px; border-radius: var(--radius-full);
  background: var(--surface-sunken); box-shadow: inset 0 0 0 1px var(--border-strong);
  transition: background-color var(--motion-sheet) var(--motion-ease);
}
.theme-switch-thumb {
  position: absolute; inset-block-start: 3px; inset-inline-start: 3px;
  display: grid; place-items: center; width: 26px; height: 26px; border-radius: var(--radius-full);
  background: var(--surface-raised); color: var(--text-primary); box-shadow: var(--shadow-1);
  transition: transform var(--motion-sheet) var(--motion-ease);
}
.theme-switch[aria-checked="true"] .theme-switch-thumb { transform: translateX(-24px); }
.ti { grid-area: 1 / 1; width: var(--icon-sm); height: var(--icon-sm); transition: opacity var(--motion-sheet) var(--motion-ease), transform var(--motion-sheet) var(--motion-ease), filter var(--motion-sheet) var(--motion-ease); }
.theme-switch .ti-moon, .theme-switch[aria-checked="true"] .ti-sun { opacity: 0; transform: scale(0.25); filter: blur(4px); }
.theme-switch[aria-checked="true"] .ti-moon { opacity: 1; transform: none; filter: none; }
.theme-switch:active .theme-switch-thumb { scale: 0.96; }

/* ---------- Journey stage ---------- */
.journey { position: relative; }
.stage { position: relative; }
.js .stage { height: 100vh; height: 100svh; overflow: hidden; background: var(--surface-canvas); }
.world, .tablet, .river, .app-ui { position: absolute; inset: 0; }
.world { width: 100%; height: 100%; opacity: 0; }
.tablet, .river, .app-ui { pointer-events: none; }
.no-js .world, .no-js .tablet, .no-js .river, .no-js .app-ui, .no-js .scroll-hint { display: none; }
.no-webgl .world, .no-webgl .app-ui, .no-webgl .river .route-dots { display: none; }

.tablet { inset: auto; }
.tablet-svg { width: 100%; height: 100%; overflow: visible; }
.tablet-body { fill: var(--tablet-face); stroke: var(--tablet-edge); stroke-width: 2; }
.tablet-grain { fill: var(--tablet-shade); }
.tablet-marks path { fill: var(--tablet-engrave); opacity: 0.32; }
.tablet-shadow { fill: var(--brand-ink); opacity: 0.16; transform: translate(0, 14px); }
.tablet { will-change: opacity, transform; }
.tablet-3d { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.has-tablet-3d .tablet, .has-tablet-3d .river-light, .has-tablet-3d .river-cut { display: none; }

.river { width: 100%; height: 100%; overflow: visible; }
.river path { fill: none; stroke-linecap: round; stroke-linejoin: round; }
.river-light { stroke: var(--tablet-highlight); stroke-width: 12; opacity: 0.55; }
.river-cut { stroke: var(--tablet-engrave); stroke-width: 9; }
.route-dots { stroke: var(--route-fill); stroke-width: 9; } /* each dot is its own zero-length subpath with a round cap */

/* Chapters */
.chapters { position: relative; z-index: 2; }
.chapter { display: grid; gap: var(--space-4); align-content: center; }
.chapter-kicker { color: var(--text-accent); font-size: var(--type-label-size); font-weight: 600; }
.hero-title { font-family: var(--font-display); font-weight: 800; font-size: var(--site-display); line-height: 1.45; display: grid; }
.hero-line { display: block; }
.hero-line-engraved {
  color: var(--text-accent);
  transition: color var(--motion-camera) var(--motion-ease), text-shadow var(--motion-camera) var(--motion-ease);
}
.js .hero-line-engraved.is-waiting {
  color: var(--surface-canvas);
  text-shadow: 1px 1px 0 color-mix(in srgb, var(--neutral-50) 70%, transparent), -1px -1px 0 color-mix(in srgb, var(--brand-ink) 45%, transparent);
}
.chapter-title { font-size: var(--site-chapter); line-height: 1.45; font-weight: 700; }
.chapter-body { font-size: var(--type-title-size); line-height: var(--type-title-line); color: var(--text-secondary); max-width: 34em; }
.word { display: inline-block; white-space: pre; }

/* No-JS: chapters are a plain readable list */
.no-js .chapters { display: grid; gap: var(--space-12); padding: calc(var(--touch-min) * 2) var(--site-gutter) var(--site-section); max-width: var(--site-max); margin-inline: auto; }

/* JS: chapters overlay the stage */
.js .chapters { position: absolute; display: grid; }
.js .chapter { grid-area: 1 / 1; visibility: hidden; }
.js .chapter.is-active { visibility: visible; }

.scroll-hint {
  position: absolute; z-index: 3; inset-block-end: var(--space-6); inset-inline-start: 50%; translate: 50% 0;
  font-size: var(--type-label-size); color: var(--text-secondary);
  transition: opacity var(--motion-sheet) var(--motion-ease);
}
.illustrative-note {
  position: absolute; z-index: 3; inset-block-end: var(--space-3); inset-inline-end: var(--space-4);
  font-size: var(--type-caption-size); line-height: var(--type-caption-line); color: var(--text-tertiary);
}

/* Wide composition: text on the start (right) side, city on the end side */
@media (min-aspect-ratio: 1/1), (min-width: 900px) {
  .js .chapters {
    inset-block: 0; inset-inline-start: 0; width: min(42%, 560px);
    padding: calc(var(--touch-min) + var(--space-12)) var(--site-gutter) var(--space-12);
    /* eased fade: no hard edge between the text and the map */
    background: linear-gradient(to left, var(--stage-fade) 42%, color-mix(in srgb, var(--stage-fade) 86%, transparent) 56%, color-mix(in srgb, var(--stage-fade) 55%, transparent) 72%, color-mix(in srgb, var(--stage-fade) 22%, transparent) 87%, color-mix(in srgb, var(--stage-fade) 0%, transparent));
  }
  .js .chapters { padding-inline-end: var(--space-12); }
  .illustrative-note { inset-inline-end: auto; inset-inline-start: var(--site-gutter); }
}
/* Landscape phones: wide composition, smaller sizes */
@media (min-aspect-ratio: 1/1) and (max-height: 520px) {
  :root { --site-display: var(--type-display-size); --site-chapter: var(--type-display-sm-size); }
  .js .chapters { padding-block: calc(var(--touch-min) + var(--space-4)) var(--space-4); gap: var(--space-2); }
  .chapter { gap: var(--space-2); }
  .chapter-body { font-size: var(--type-label-size); line-height: var(--type-label-line); }
  .illustrative-note { display: none; }
}
/* Portrait phones: the city fills the screen, text sits under it on a fade */
@media (max-aspect-ratio: 1/1) and (max-width: 899px) {
  :root { --site-display: clamp(34px, 10.5vw, 52px); --site-chapter: clamp(24px, 7vw, 34px); }
  .js .chapters {
    inset-inline: 0; inset-block-end: 0; min-height: 38%;
    padding: var(--space-12) var(--space-4) calc(var(--space-12) + env(safe-area-inset-bottom));
    background: linear-gradient(to top, var(--stage-fade) 55%, color-mix(in srgb, var(--stage-fade) 80%, transparent) 70%, color-mix(in srgb, var(--stage-fade) 40%, transparent) 85%, color-mix(in srgb, var(--stage-fade) 0%, transparent));
    align-content: end;
  }
  .js .chapter { align-content: end; }
  .chapter-body { font-size: var(--type-body-size); line-height: var(--type-body-line); }
  .scroll-hint { inset-block-end: var(--space-4); }
  .illustrative-note { inset-block-end: auto; inset-block-start: calc(var(--touch-min) + var(--space-4)); inset-inline: var(--space-4); text-align: center; }
}

/* ---------- App interface over the city ---------- */
.app-ui {
  z-index: 1; color: var(--text-primary); font-family: var(--font-sans);
  --ui-start: 0px;
  --ui-x: calc((100% - var(--ui-start)) / 2);
  --ui-w: min(400px, calc(100% - var(--ui-start) - var(--space-8)));
}
@media (min-aspect-ratio: 1/1), (min-width: 900px) {
  .app-ui { --ui-start: min(42%, 560px); }
}
/* translate -50% is physical, so the anchor is the physical left edge */
.ui-top, .preview-sheet, .trip-sheet { position: absolute; left: var(--ui-x); translate: -50% 0; width: var(--ui-w); }
.ui-top { inset-block-start: calc(var(--stage-top) + var(--space-4)); display: flex; flex-direction: column; gap: var(--space-2); }
.ui-slot { display: grid; justify-items: start; }
.ui-slot > * { grid-area: 1 / 1; }
.ui-slot .app-banner { justify-self: stretch; }
.preview-sheet, .trip-sheet { inset-block-end: 0; width: min(420px, calc(100% - var(--ui-start) - var(--space-8))); }
.app-ui .ui-search, .app-ui .maneuver, .app-ui .next-chip, .app-ui .app-banner, .app-ui .preview-sheet, .app-ui .trip-sheet {
  opacity: 0; transition: opacity var(--motion-sheet) var(--motion-ease);
}
.app-ui .is-shown { opacity: 1; }

/* Maneuver card (ManeuverCard spec) */
.maneuver {
  display: flex; align-items: center; gap: var(--space-4);
  padding: var(--space-4); border-radius: var(--radius-lg);
  background: var(--maneuver-bg); box-shadow: var(--shadow-float);
}
.maneuver-tile {
  flex: none; display: grid; place-items: center;
  width: var(--maneuver-tile-size); height: var(--maneuver-tile-size); border-radius: var(--radius-md);
  background: var(--maneuver-tile); color: var(--maneuver-tile-icon);
  transition: background-color var(--motion-sheet) var(--motion-ease);
}
.maneuver-tile.is-info { background: var(--maneuver-tile-info); }
.maneuver-icon { width: var(--icon-maneuver); height: var(--icon-maneuver); }
.maneuver-text { display: grid; gap: 2px; min-width: 0; }
.maneuver-dist { font-size: var(--type-nav-distance-size); line-height: var(--type-nav-distance-line); font-weight: var(--type-nav-distance-weight); color: var(--text-on-maneuver); }
.maneuver-street { font-size: var(--type-nav-street-size); line-height: var(--type-nav-street-line); font-weight: var(--type-nav-street-weight); color: var(--text-on-maneuver-muted); }
.maneuver-dist:empty { display: none; }
.xfade { display: grid; }
.xfade > * { grid-area: 1 / 1; transition: opacity var(--motion-sheet) var(--motion-ease); }

/* NextStepChip */
.next-chip {
  display: inline-flex; align-items: center; gap: var(--space-2);
  padding: var(--space-2) var(--space-3); border-radius: var(--radius-sm);
  background: var(--surface-base); box-shadow: var(--shadow-1);
  font-size: var(--type-label-size); line-height: var(--type-label-line); font-weight: 500; white-space: nowrap;
}
.chip-icon { width: var(--icon-sm); height: var(--icon-sm); color: var(--text-primary); }

/* Banner */
.app-banner {
  display: flex; align-items: flex-start; gap: var(--space-3);
  padding: var(--space-3) var(--space-4); border-radius: var(--radius-md); box-shadow: var(--shadow-1);
  background: var(--status-warning-bg);
}
.app-banner .banner-icon { flex: none; width: var(--icon-md); height: var(--icon-md); color: var(--status-warning); }
.app-banner strong { display: block; color: var(--status-warning); font-size: var(--type-body-size); line-height: var(--type-body-line); font-weight: 600; }
.app-banner span:empty { display: none; }
.app-banner span { display: block; font-size: var(--type-label-size); line-height: var(--type-label-line); }
.app-banner[data-kind="success"] { background: var(--status-success-bg); }
.app-banner[data-kind="success"] .banner-icon, .app-banner[data-kind="success"] strong { color: var(--status-success); }

/* Sheets (TripSheet spec) */
.preview-sheet, .trip-sheet {
  display: grid; gap: var(--space-3);
  padding: var(--space-3) var(--space-5) var(--space-6);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  background: var(--surface-base); box-shadow: var(--shadow-sheet);
}
.sheet-handle { justify-self: center; width: 40px; height: 5px; border-radius: var(--radius-full); background: var(--border-subtle); }
.preview-row, .trip-row { display: flex; align-items: center; justify-content: space-between; gap: var(--space-3); }
.preview-eta, .eta-n { font-size: var(--type-nav-eta-size); line-height: var(--type-nav-eta-line); font-weight: var(--type-nav-eta-weight); }
.sheet-meta { font-size: var(--type-nav-meta-size); line-height: var(--type-nav-meta-line); color: var(--text-secondary); }
.alt-route { font-size: var(--type-label-size); line-height: var(--type-label-line); color: var(--text-tertiary); padding-block-start: var(--space-2); border-block-start: 1px solid var(--border-subtle); }
.trip-eta { display: flex; align-items: center; gap: var(--space-2); flex-wrap: wrap; }
.delay-badge {
  padding: 2px var(--space-3); border-radius: var(--radius-full);
  background: var(--status-warning-bg); color: var(--status-warning);
  font-size: var(--type-caption-size); line-height: var(--type-caption-line); font-weight: 600;
  opacity: 0; transition: opacity var(--motion-sheet) var(--motion-ease);
}
.delay-badge.is-shown { opacity: 1; }
.trip-actions { display: flex; gap: var(--space-3); }
.fake-btn {
  display: inline-flex; align-items: center; min-height: var(--touch-drive); padding-inline: var(--space-6);
  border-radius: var(--radius-md); background: var(--accent-strong); color: var(--text-on-accent);
  font-size: var(--type-body-strong-size); font-weight: var(--type-body-strong-weight);
}
.fake-round { display: grid; place-items: center; width: var(--touch-drive); height: var(--touch-drive); border-radius: var(--radius-md); background: var(--surface-sunken); }
.fake-round svg { width: var(--icon-md); height: var(--icon-md); }

/* Portrait: the app UI sits over the city, the trip sheet just above the chapter text.
   --chapters-top is measured by journey.js (stage-relative px). */
@media (max-aspect-ratio: 1/1) and (max-width: 899px) {
  .app-ui { z-index: 3; --ui-w: min(480px, calc(100% - var(--space-8))); }
  .ui-top { inset-block-start: calc(var(--stage-top) + var(--space-1)); }
  .app-ui .preview-sheet, .app-ui .trip-sheet {
    width: var(--ui-w);
    inset-block-end: calc(100% - var(--chapters-top, 62%) - var(--space-6));
    border-radius: var(--radius-lg); padding: var(--space-3) var(--space-4);
  }
  .sheet-handle, .trip-actions, .preview-sheet .fake-btn, .alt-route { display: none; }
  .illustrative-note { display: none; }
  .js .chapter { align-self: end; }
}
/* Short portrait phones (iPhone SE, small Android): compact everything */
@media (max-aspect-ratio: 1/1) and (max-width: 899px) and (max-height: 740px) {
  :root { --site-display: clamp(28px, 8.6vw, 40px); --site-chapter: clamp(21px, 6vw, 28px); }
  .js .chapters { padding-block-start: var(--space-8); padding-block-end: calc(var(--space-8) + env(safe-area-inset-bottom)); }
  .chapter { gap: var(--space-2); }
  .chapter-body { font-size: var(--type-label-size); line-height: var(--type-label-line); }
  .app-ui .maneuver { padding: var(--space-3); gap: var(--space-3); }
  .app-ui .maneuver-tile { width: var(--touch-min); height: var(--touch-min); }
  .app-ui .maneuver-dist { font-size: var(--type-heading-size); line-height: var(--type-heading-line); }
  .app-ui .maneuver-street { font-size: var(--type-label-size); line-height: var(--type-label-line); }
  .app-ui .app-banner { padding: var(--space-2) var(--space-3); }
  .app-ui .app-banner strong { font-size: var(--type-label-size); line-height: var(--type-label-line); }
  .app-ui .banner-body { display: none; }
  .app-ui .preview-eta, .app-ui .eta-n { font-size: var(--type-heading-size); line-height: var(--type-heading-line); }
  .app-ui .preview-sheet, .app-ui .trip-sheet { padding: var(--space-2) var(--space-4); gap: 0; }
  .scroll-hint { display: none; }
}
/* Landscape phones */
@media (min-aspect-ratio: 1/1) and (max-height: 520px) {
  .app-ui { --ui-w: min(340px, calc(100% - var(--ui-start) - var(--space-8))); }
  .ui-top { inset-block-start: calc(var(--touch-min) + var(--space-6)); }
  .app-ui .maneuver { padding: var(--space-2) var(--space-3); }
  .app-ui .maneuver-tile { width: var(--touch-min); height: var(--touch-min); }
  .app-ui .maneuver-dist { font-size: var(--type-heading-size); line-height: var(--type-heading-line); }
  .app-ui .app-banner { padding: var(--space-2) var(--space-3); }
  .app-ui .banner-body { display: none; }
  .app-ui .preview-sheet, .app-ui .trip-sheet { width: min(320px, calc(100% - var(--ui-start) - var(--space-8))); padding: var(--space-2) var(--space-4) var(--space-3); }
  .app-ui .preview-eta, .app-ui .eta-n { font-size: var(--type-heading-size); line-height: var(--type-heading-line); }
  .trip-actions, .alt-route, .sheet-handle { display: none; }
}

/* ---------- Sections ---------- */
.section { padding-block: var(--site-section); padding-inline: var(--site-gutter); }
.section-sunken { background: var(--surface-base); }
.section-inner { max-width: var(--site-max); margin-inline: auto; }
.section-inner.narrow { max-width: 760px; }
.split { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: var(--space-12); align-items: center; }
@media (max-width: 899px) { .split { grid-template-columns: 1fr; gap: var(--space-8); } }
.section-copy { display: grid; gap: var(--space-6); align-content: start; }
.section-title { font-size: var(--site-chapter); line-height: 1.45; font-weight: 700; }
.section-lead { font-size: var(--type-title-size); line-height: var(--type-title-line); color: var(--text-secondary); max-width: 36em; }

/* Buttons (Button spec) */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2);
  min-height: var(--touch-min); padding-inline: var(--space-6); border: 0; border-radius: var(--radius-md);
  font-size: var(--type-body-strong-size); font-weight: var(--type-body-strong-weight); cursor: pointer;
  transition: transform var(--motion-touch) var(--motion-ease), background-color var(--motion-touch) var(--motion-ease);
}
.btn:active { transform: scale(0.96); }
.btn-primary { background: var(--accent-strong); color: var(--text-on-accent); }
.btn-secondary { background: var(--surface-sunken); color: var(--text-primary); }
.btn[disabled] { opacity: 0.4; cursor: default; transform: none; }
.btn-icon { width: var(--icon-md); height: var(--icon-md); }

/* Maneuver picker */
.maneuver-picker { display: grid; grid-template-columns: repeat(auto-fill, minmax(96px, 1fr)); gap: var(--space-3); }
.pick {
  display: grid; justify-items: center; gap: var(--space-1);
  min-height: var(--touch-min); padding: var(--space-3) var(--space-2);
  border: 1px solid var(--border-subtle); border-radius: var(--radius-md);
  background: var(--surface-base); cursor: pointer;
  font-size: var(--type-caption-size); line-height: var(--type-caption-line); font-weight: 500; color: var(--text-secondary);
  transition: transform var(--motion-touch) var(--motion-ease), background-color var(--motion-touch) var(--motion-ease), border-color var(--motion-touch) var(--motion-ease), color var(--motion-touch) var(--motion-ease);
}
.pick svg { width: var(--icon-md); height: var(--icon-md); color: var(--text-primary); }
.pick:hover { border-color: var(--border-strong); }
.pick:active { transform: scale(0.96); }
.pick[aria-pressed="true"] { background: var(--accent-subtle); border-color: var(--text-accent); color: var(--text-accent); }
.pick[aria-pressed="true"] svg { color: var(--text-accent); }

.demo-panel { display: grid; gap: var(--space-4); justify-items: start; }
.demo-map {
  width: 100%; padding: var(--space-8) var(--space-6); border-radius: var(--radius-lg);
  background: var(--map-land);
  background-image:
    linear-gradient(var(--map-road) 0 0), linear-gradient(var(--map-road) 0 0),
    linear-gradient(var(--map-road-casing) 0 0), linear-gradient(var(--map-road-casing) 0 0);
  background-size: 100% 10px, 10px 100%, 100% 16px, 16px 100%;
  background-position: 0 72%, 30% 0, 0 calc(72% + 1px), calc(30% + 1px) 0;
  background-repeat: no-repeat;
  box-shadow: inset 0 0 0 1px var(--border-subtle);
}
.demo-card { max-width: 420px; }
.speech-note { font-size: var(--type-caption-size); line-height: var(--type-caption-line); color: var(--text-tertiary); }

/* Digits switch (segmented, sliding thumb) */
.digit-setting { display: flex; align-items: center; gap: var(--space-4); flex-wrap: wrap; }
.setting-label { font-size: var(--type-label-size); line-height: var(--type-label-line); font-weight: 500; color: var(--text-secondary); }
.seg-switch {
  position: relative; display: grid; grid-template-columns: 1fr 1fr;
  min-height: var(--touch-min); padding: 4px; border: 0; border-radius: var(--radius-md);
  background: var(--surface-sunken); box-shadow: inset 0 0 0 1px var(--border-strong); cursor: pointer;
}
.seg-option { position: relative; z-index: 1; display: grid; place-items: center; padding-inline: var(--space-4); font-size: var(--type-label-size); font-weight: 600; color: var(--text-secondary); transition: color var(--motion-sheet) var(--motion-ease); }
.seg-thumb {
  position: absolute; inset-block: 4px; inset-inline-start: 4px; width: calc(50% - 4px);
  border-radius: calc(var(--radius-md) - 4px); background: var(--surface-raised); box-shadow: var(--shadow-1);
  transition: transform var(--motion-sheet) var(--motion-ease);
}
.seg-switch[aria-checked="false"] .seg-option[data-v="arab"], .seg-switch[aria-checked="true"] .seg-option[data-v="latn"] { color: var(--text-primary); }
.seg-switch[aria-checked="true"] .seg-thumb { transform: translateX(-100%); }

/* Distance demo */
.distance-demo { width: 100%; display: grid; gap: var(--space-4); padding: var(--space-6); border-radius: var(--radius-lg); background: var(--surface-raised); box-shadow: var(--shadow-1); }
.distance-demo input[type="range"] { width: 100%; height: var(--touch-min); accent-color: var(--accent-strong); margin: 0; }
.readout { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); margin: 0; }
.readout div { display: grid; gap: var(--space-1); }
.readout dt { font-size: var(--type-caption-size); line-height: var(--type-caption-line); color: var(--text-tertiary); font-weight: 500; }
.readout dd { margin: 0; }
#distance-screen { font-size: var(--type-nav-distance-size); line-height: var(--type-nav-distance-line); font-weight: 700; }
#distance-voice { font-size: var(--type-body-size); line-height: var(--type-body-line); }
.rules { list-style: none; margin: 0; padding: var(--space-4) 0 0; border-block-start: 1px solid var(--border-subtle); display: grid; gap: var(--space-1); font-size: var(--type-label-size); line-height: var(--type-label-line); color: var(--text-secondary); }
@media (max-width: 480px) { .readout { grid-template-columns: 1fr; } }

/* FAQ accordion */
.faq { display: grid; margin-block-start: var(--space-8); border-block-start: 1px solid var(--border-subtle); }
.faq-item { border-block-end: 1px solid var(--border-subtle); }
.faq-item h3 { font-size: var(--type-title-size); line-height: var(--type-title-line); font-weight: 600; }
.faq-q {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: var(--space-4);
  min-height: var(--touch-drive); padding: var(--space-4) 0; border: 0; background: none; cursor: pointer; text-align: start;
  font-weight: 600;
}
.faq-icon { flex: none; width: var(--icon-md); height: var(--icon-md); color: var(--text-accent); transition: transform var(--motion-sheet) var(--motion-ease); }
.faq-q[aria-expanded="true"] .faq-icon { transform: rotate(45deg); }
.faq-a { display: grid; grid-template-rows: 1fr; transition: grid-template-rows var(--motion-camera) var(--motion-ease), opacity var(--motion-camera) var(--motion-ease); }
.faq-a > div { overflow: hidden; }
.faq-a p { padding-block-end: var(--space-5); color: var(--text-secondary); max-width: 40em; }
.faq-item:has(.faq-q[aria-expanded="false"]) .faq-a { grid-template-rows: 0fr; opacity: 0; }

/* Footer */
.site-footer { padding: var(--space-12) var(--site-gutter) calc(var(--space-12) + env(safe-area-inset-bottom)); background: var(--maneuver-bg); color: var(--text-on-maneuver); }
.footer-inner { max-width: var(--site-max); margin-inline: auto; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--space-6); }
.footer-brand { display: flex; align-items: center; gap: var(--space-4); }
.footer-icon { border-radius: var(--radius-md); }
.footer-tag { font-family: var(--font-display); font-weight: 800; font-size: var(--type-display-sm-size); line-height: var(--type-display-sm-line); }
.footer-soon, .footer-note { font-size: var(--type-label-size); line-height: var(--type-label-line); color: var(--text-on-maneuver-muted); }

/* Privacy page */
.legal { min-height: 100vh; }
.legal-updated { margin-block: var(--space-2) var(--space-6); font-size: var(--type-label-size); color: var(--text-secondary); }
.legal h2 { margin-block: var(--space-12) var(--space-4); font-size: var(--type-display-sm-size); line-height: var(--type-display-sm-line); font-weight: 700; }
.legal ul { display: grid; gap: var(--space-3); margin: 0; padding-inline-start: var(--space-6); }
.legal p + p, .legal p + ul { margin-block-start: var(--space-4); }
.legal .num { white-space: nowrap; }

/* Reveal (JS adds .reveal-ready; without JS everything is visible) */
.js .reveal.reveal-ready { opacity: 0; transform: translateY(16px); }

/* Reduced motion: fades only */
@media (prefers-reduced-motion: reduce) {
  .theme-switch-thumb, .seg-thumb, .faq-icon, .btn, .pick { transition-property: opacity, background-color, color; }
  .ti { transform: none !important; filter: none !important; }
  .js .reveal.reveal-ready { transform: none; }
  .btn:active, .pick:active { transform: none; }
}

/* Without JavaScript: hide controls that need it */
.no-js .menu-btn, .no-js .theme-switch, .no-js .speak-btn, .no-js .digit-setting, .no-js .maneuver-picker, .no-js #distance-range { display: none; }

/* Narrow phones: keep header controls at full touch size */
.menu-btn, .theme-switch, .brand-icon { flex: none; }
@media (max-width: 374px) {
  .header-inner { gap: var(--space-3); }
  .wordmark-lat { display: none; }
}

/* ---------- Journey: progress rail (one segment per chapter), voice, skip ---------- */
:root { --rail-h: 40px; --stage-top: calc(var(--touch-min) + var(--space-4) + var(--rail-h)); }
.rail {
  position: absolute; z-index: 5; inset-block-start: calc(var(--touch-min) + var(--space-4)); inset-inline: var(--site-gutter);
  display: flex; align-items: center; gap: var(--space-3); height: var(--rail-h);
}
.rail-segs { flex: 1; display: flex; gap: var(--space-1); min-width: 0; }
.rail-seg {
  flex: 1; position: relative; height: var(--rail-h); min-width: 0; padding: 0; border: 0; background: none; cursor: pointer;
}
.rail-seg::before, .rail-fill {
  content: ""; position: absolute; inset-inline: 0; inset-block-start: calc(50% - 2px); height: 4px; border-radius: var(--radius-full);
}
.rail-seg::before { background: color-mix(in srgb, var(--text-primary) 16%, transparent); }
.rail-fill { display: block; background: var(--accent-strong); transform: scaleX(0); transform-origin: right; }
.rail-seg[aria-current="step"]::before { background: color-mix(in srgb, var(--text-primary) 24%, transparent); }
.rail-seg:focus-visible { outline-offset: -6px; }
.rail-voice {
  flex: none; display: grid; place-items: center; width: var(--rail-h); height: var(--rail-h);
  padding: 0; border: 0; border-radius: var(--radius-full); cursor: pointer;
  background: var(--surface-raised); color: var(--text-primary); box-shadow: var(--shadow-1);
  transition: background-color var(--motion-touch) var(--motion-ease), transform var(--motion-touch) var(--motion-ease);
}
.rail-voice .ti { width: var(--icon-sm); height: var(--icon-sm); }
.rail-voice .ti-on, .rail-voice[aria-pressed="true"] .ti-off { opacity: 0; transform: scale(0.25); filter: blur(4px); }
.rail-voice[aria-pressed="true"] .ti-on { opacity: 1; transform: none; filter: none; }
.rail-voice[aria-pressed="true"] { background: var(--accent-strong); color: var(--text-on-accent); }
.rail-voice:active { transform: scale(0.96); }
.rail-skip {
  flex: none; display: inline-flex; align-items: center; min-height: var(--rail-h); padding-inline: var(--space-3);
  border-radius: var(--radius-full); background: var(--surface-raised); box-shadow: var(--shadow-1);
  color: var(--text-primary); text-decoration: none; font-size: var(--type-label-size); font-weight: 600; white-space: nowrap;
}
.rail-skip:active { transform: scale(0.96); }
.no-js .rail { display: none; }
@media (min-aspect-ratio: 1/1) and (max-height: 520px) {
  .rail { display: none; }
  :root { --stage-top: calc(var(--touch-min) + var(--space-4)); }
}

/* ---------- Journey: search card (SearchBar + PlaceRow) ---------- */
.search-card {
  display: grid; gap: var(--space-2); padding: var(--space-3); border-radius: var(--radius-lg);
  background: var(--surface-base); box-shadow: var(--shadow-float);
}
.search-field {
  display: flex; align-items: center; gap: var(--space-2); min-height: var(--touch-min); padding-inline: var(--space-3);
  border-radius: var(--radius-md); background: var(--surface-sunken);
  font-size: var(--type-body-size); font-weight: 600;
}
.search-icon { flex: none; width: var(--icon-md); height: var(--icon-md); color: var(--text-secondary); }
.caret { width: 2px; height: 1.2em; background: var(--focus-ring); animation: caret 1s steps(1) infinite; }
@keyframes caret { 50% { opacity: 0; } }
.ui-search:not(.is-typing) .caret { display: none; }
.search-results { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--space-1); opacity: 0; transition: opacity var(--motion-sheet) var(--motion-ease); }
.search-results.is-shown { opacity: 1; }
.place-row {
  display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: var(--space-3);
  padding: var(--space-2) var(--space-3); border-radius: var(--radius-md);
  transition: background-color var(--motion-sheet) var(--motion-ease);
}
.place-row strong { display: block; font-size: var(--type-title-size); line-height: var(--type-title-line); font-weight: 600; }
.hood {
  display: inline-block; padding: 0 var(--space-2); border-radius: var(--radius-sm);
  background: var(--accent-subtle); color: var(--text-accent);
  font-size: var(--type-label-size); line-height: var(--type-label-line); font-weight: 600;
}
.place-dist { font-size: var(--type-label-size); color: var(--text-secondary); }
.place-pin { width: 12px; height: 12px; border-radius: var(--radius-full); background: var(--border-strong); }
.place-row.is-selected { background: var(--accent-subtle); }
.place-row.is-selected .place-pin { background: var(--accent-brand); box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent-brand) 25%, transparent); }
@media (max-aspect-ratio: 1/1) and (max-width: 899px) and (max-height: 740px) {
  .place-row strong { font-size: var(--type-label-size); line-height: var(--type-label-line); }
  .hood { font-size: var(--type-caption-size); line-height: var(--type-caption-line); }
}

/* ---------- Calls to action ---------- */
.site-nav a.nav-cta { background: var(--accent-strong); color: var(--text-on-accent); font-weight: 600; }
.site-nav a.nav-cta:hover { background: var(--accent-strong); color: var(--text-on-accent); filter: brightness(1.08); }
.chapter-cta { margin-block-start: var(--space-2); }
.chapter-cta .btn { text-decoration: none; }
.footer-soon a { color: inherit; font-weight: 600; }

/* ---------- Notify me at launch ---------- */
.notify { background: var(--surface-base); }
.notify-inner { display: grid; grid-template-columns: minmax(0, 1fr); justify-items: center; text-align: center; gap: var(--space-4); }
.notify-inner > * { max-width: 100%; }
.notify-icon { border-radius: var(--radius-lg); box-shadow: var(--shadow-float); }
.notify .section-lead { margin-inline: auto; }
.notify-wa { min-height: var(--touch-drive); padding-inline: var(--space-8); margin-block-start: var(--space-2); text-decoration: none; }
.notify-privacy { font-size: var(--type-label-size); line-height: var(--type-label-line); color: var(--text-secondary); }
/* Phones: chapter segments are too narrow to tap — they show progress only; skip and voice stay buttons */
@media (max-width: 759px) {
  .rail-seg { pointer-events: none; }
}
@media (min-aspect-ratio: 1/1) and (max-height: 520px) {
  .search-card { padding: var(--space-2); gap: var(--space-1); }
  .search-field { min-height: 40px; font-size: var(--type-label-size); }
  .place-row { padding: var(--space-1) var(--space-2); }
  .place-row strong { font-size: var(--type-label-size); line-height: var(--type-label-line); }
  .hood { font-size: var(--type-caption-size); line-height: var(--type-caption-line); }
}

/* ---------- Glass map UI: every panel floats over the live map ----------
   Layout here; the translucent glass only where backdrop-filter is supported. Solid surfaces are the fallback.
   Each chapter is its own floating card, sized to its text. */
.js .chapter {
  border-radius: var(--radius-xl);
  background: var(--stage-fade); box-shadow: var(--shadow-float);
}
@media (min-aspect-ratio: 1/1), (min-width: 900px) {
  .js .chapters {
    inset-block: calc(var(--stage-top) + var(--space-4)) var(--space-12);
    inset-inline-start: var(--site-gutter);
    width: calc(min(42%, 560px) - var(--site-gutter) - var(--space-4));
    padding: 0; background: none;
  }
  .js .chapter { align-self: center; padding: var(--space-8); }
}
@media (min-aspect-ratio: 1/1) and (max-height: 520px) {
  .js .chapters { inset-block: calc(var(--stage-top) + var(--space-2)) var(--space-3); padding: 0; }
  .js .chapter { padding: var(--space-4); }
}
@media (max-aspect-ratio: 1/1) and (max-width: 899px) {
  .js .chapters {
    inset-inline: var(--space-3); inset-block-end: calc(var(--space-3) + env(safe-area-inset-bottom));
    min-height: 0; padding: 0; background: none;
  }
  .js .chapter { padding: var(--space-5) var(--space-4); }
  /* the sheet floats just above the text card instead of tucking under a fade */
  .app-ui .preview-sheet, .app-ui .trip-sheet { inset-block-end: calc(100% - var(--chapters-top, 62%) + var(--space-3)); }
}
@media (max-aspect-ratio: 1/1) and (max-width: 899px) and (max-height: 740px) {
  .js .chapters { padding: 0; }
  .js .chapter { padding: var(--space-4); }
}

@supports ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .js .chapter, .app-ui .search-card, .app-ui .maneuver, .app-ui .next-chip, .app-ui .app-banner,
  .app-ui .preview-sheet, .app-ui .trip-sheet, .rail-voice, .rail-skip, .site-header {
    backdrop-filter: blur(var(--glass-blur)) saturate(1.6);
    -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(1.6);
  }
  .js .chapter {
    background: var(--glass-panel);
    border: 1px solid var(--glass-edge); box-shadow: inset 0 1px 0 var(--glass-sheen), var(--shadow-float);    color: var(--text-primary);
    transition: background-color var(--motion-camera) var(--motion-ease), color var(--motion-camera) var(--motion-ease);
  }
  .site-header { background: color-mix(in srgb, var(--surface-canvas) 62%, transparent); }
  .app-ui .search-card, .app-ui .next-chip, .app-ui .preview-sheet, .app-ui .trip-sheet,
  .rail-voice:not([aria-pressed="true"]), .rail-skip {
    background: var(--glass-surface);
    border: 1px solid var(--glass-edge); box-shadow: inset 0 1px 0 var(--glass-sheen), var(--shadow-float);
  }
  .app-ui .maneuver {
    background: var(--glass-surface-strong);
    border: 1px solid color-mix(in srgb, var(--text-on-maneuver) 14%, transparent);
    box-shadow: inset 0 1px 0 color-mix(in srgb, var(--text-on-maneuver) 12%, transparent), var(--shadow-float);
  }
  .app-ui .app-banner {
    background: color-mix(in srgb, var(--status-warning-bg) 72%, transparent);
    border: 1px solid var(--glass-edge); box-shadow: inset 0 1px 0 var(--glass-sheen), var(--shadow-float);
  }
  .app-ui .app-banner[data-kind="success"] { background: color-mix(in srgb, var(--status-success-bg) 72%, transparent); }
  .app-ui .search-field, .app-ui .fake-round { background: var(--glass-sunken); }
  .app-ui .place-row.is-selected { background: color-mix(in srgb, var(--accent-subtle) 70%, transparent); }
  .app-ui .sheet-handle { background: var(--glass-edge); }
}
/* Phones: a lighter blur keeps the map smooth */
@media (pointer: coarse) { :root { --glass-blur: 14px; } }
/* People who ask for less transparency get the solid surfaces */
@media (prefers-reduced-transparency: reduce) {
  :root, [data-theme] {
    --glass-surface: var(--surface-base); --glass-surface-strong: var(--maneuver-bg);
    --glass-sunken: var(--surface-sunken); --glass-panel: var(--stage-fade);
  }
}