/* ===========================================================================
   Rado Captain Cook x European Cricket. Studio pitch mockup.

   Ported from the "Ora" frame-sequence template (React + Vite) to plain CSS
   for the studio's no-build setup. Ora's midnight ground and ivory type are
   kept; the gold accent is sampled from the watch's PVD details and the
   ground from the darkest corner of Rado's blue campaign set.
   ======================================================================== */

:root {
  --ink-000: #04070e;
  --ink-050: #070b14;
  --ground: #050b18; /* darkest corner of the campaign set; canvas fallback */

  --gold: #c9a45c;
  --red: #b8332a; /* the leather-red behind the ball anchor */

  --ivory: #f2efe9;
  --ivory-80: rgba(242, 239, 233, 0.8);
  --ivory-55: rgba(242, 239, 233, 0.55);
  --ivory-38: rgba(242, 239, 233, 0.38);
  --ivory-14: rgba(242, 239, 233, 0.14);
  --ivory-08: rgba(242, 239, 233, 0.08);

  --serif: 'Bodoni Moda', 'Didot', Georgia, serif;
  --sans: 'Jost', system-ui, -apple-system, 'Segoe UI', sans-serif;

  --gutter: clamp(1.25rem, 5.85vw, 5.25rem);
  --maxw: 88rem;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-io: cubic-bezier(0.65, 0, 0.35, 1);
}

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

* {
  margin: 0;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  background: var(--ink-000);
  color: var(--ivory);
  font-family: var(--sans);
  font-weight: 300;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* held still until the preloader lifts: scrubbing an empty canvas is a bug */
body.is-loading {
  overflow: hidden;
}

main,
.footer {
  overflow-x: clip;
}

img,
svg,
canvas {
  display: block;
  max-width: 100%;
}

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

h1,
h2,
h3 {
  font-family: var(--serif);
  font-weight: 400;
  text-wrap: balance;
}

:focus-visible {
  outline: 1px solid var(--gold);
  outline-offset: 4px;
}

.shell {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.eyebrow {
  font-size: 0.6875rem;
  font-weight: 400;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--ivory-55);
}

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

.sr-only:focus {
  position: fixed;
  z-index: 100;
  top: 1rem;
  left: 1rem;
  width: auto;
  height: auto;
  padding: 0.75rem 1rem;
  clip: auto;
  background: var(--ivory);
  color: var(--ink-000);
}

/* --- buttons: one radius system, all sharp ------------------------------- */

.solid-btn,
.ghost-btn {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  font-size: 0.6875rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  white-space: nowrap;
  transition: background-color 0.45s var(--ease), color 0.45s var(--ease),
    border-color 0.45s var(--ease), transform 0.15s var(--ease);
}

.solid-btn:active,
.ghost-btn:active {
  transform: translateY(1px);
}

.solid-btn {
  min-width: min(100%, 18rem);
  padding: 1.15rem 1.6rem;
  background: var(--ivory);
  color: var(--ink-000);
  font-weight: 500;
  border: 1px solid var(--ivory);
}

.solid-btn:hover {
  background: transparent;
  color: var(--ivory);
}

.ghost-btn {
  min-width: min(100%, 18rem);
  padding: 1.15rem 1.6rem;
  border: 1px solid var(--ivory-38);
  color: var(--ivory);
  font-weight: 400;
}

.ghost-btn:hover {
  border-color: var(--ivory);
  background: var(--ivory);
  color: var(--ink-000);
}

.solid-btn__arrow,
.ghost-btn__arrow {
  width: 2.25rem;
  flex: none;
  fill: none;
  stroke: currentColor;
  stroke-width: 1;
  transition: transform 0.45s var(--ease);
}

.solid-btn:hover .solid-btn__arrow,
.ghost-btn:hover .ghost-btn__arrow {
  transform: translateX(4px);
}

/* --- mockup flag (same badge as the other studio pitch mockups) ---------- */

.mockup-flag {
  position: fixed;
  top: 70px;
  left: 16px;
  z-index: 95;
  padding: 0.5rem 1.25rem;
  border-radius: 999px;
  font-family: var(--sans);
  font-weight: 500;
  font-size: 0.6rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #fff;
  background: linear-gradient(120deg, #ff3d81, #ff8a3d, #ffd23d, #3dd6ff, #7a5cff, #ff3d81);
  background-size: 300% 300%;
  animation: mockupFlow 6s ease infinite;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4), inset 0 0 0 1px rgba(255, 255, 255, 0.25);
  pointer-events: none;
  white-space: nowrap;
}

@keyframes mockupFlow {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

@media (max-width: 680px) {
  .mockup-flag {
    top: 64px;
    left: 10px;
    font-size: 0.52rem;
    padding: 0.42rem 1rem;
  }
}

/* --- preloader ------------------------------------------------------------ */

.preloader {
  position: fixed;
  inset: 0;
  z-index: 90;
  display: grid;
  grid-template-rows: 1fr auto 1fr;
  justify-items: center;
  align-items: center;
  padding: clamp(2rem, 6vh, 4rem) var(--gutter);
  background: var(--ink-000);
  transition: transform 1.05s var(--ease), opacity 0.7s ease 0.25s;
}

.preloader.is-lifting {
  transform: translateY(-100%);
  opacity: 0;
  pointer-events: none;
}

.preloader__mark {
  width: clamp(9rem, 16vw, 13rem);
  height: auto;
}

.preloader__meter {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  width: min(100%, 30rem);
}

.preloader__count {
  font-family: var(--serif);
  font-size: clamp(3.5rem, 11vw, 8rem);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.preloader__track {
  display: block;
  width: 100%;
  height: 1px;
  background: var(--ivory-14);
}

.preloader__fill {
  display: block;
  height: 100%;
  background: var(--gold);
  transform-origin: left;
  transform: scaleX(0);
  transition: transform 0.35s linear;
}

.preloader__note {
  align-self: end;
  text-align: center;
}

/* --- nav ------------------------------------------------------------------ */

.nav-sentinel {
  position: absolute;
  top: 24px;
  left: 0;
  width: 1px;
  height: 1px;
}

.nav {
  position: fixed;
  inset-inline: 0;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: clamp(1.1rem, 2.2vh, 1.6rem) var(--gutter);
  border-bottom: 1px solid transparent;
  transition: background-color 0.5s var(--ease), border-color 0.5s var(--ease);
}

.nav.is-lifted {
  background: rgba(4, 7, 14, 0.62);
  -webkit-backdrop-filter: blur(14px) saturate(120%);
  backdrop-filter: blur(14px) saturate(120%);
  border-bottom-color: var(--ivory-08);
}

.nav__brand img {
  width: clamp(8rem, 12vw, 10.5rem);
  height: auto;
}

.nav__kicker {
  font-size: 0.625rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--ivory-55);
  white-space: nowrap;
}

/* ===========================================================================
   The pinned frame-sequence stage
   ======================================================================== */

.stage {
  position: relative;
  background: var(--ground);
}

.stage__pin {
  position: sticky;
  top: 0;
  height: 100svh;
  overflow: hidden;
}

.stage__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  background: var(--ground);
}

.stage__progress {
  position: absolute;
  inset-inline: 0;
  top: 0;
  height: 1px;
  background: var(--ivory-08);
  z-index: 6;
}

.stage__progress span {
  display: block;
  height: 100%;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
}

.chapter {
  position: absolute;
  inset: 0;
  display: flex;
  padding-inline: var(--gutter);
  opacity: 0;
  will-change: opacity, transform;
  z-index: 2;
}

/* each chapter carries its own scrim, tinted to the set's navy rather than
   black, tuned to where the watch sits in that stretch of the move */
.chapter::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
}

.chapter__inner {
  position: relative;
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.chapter__title {
  font-size: clamp(2rem, 4.6vw, 4.25rem);
  line-height: 1.04;
  letter-spacing: -0.005em;
  margin-bottom: 1.5rem;
}

.chapter__title span {
  display: block;
}

.chapter__body {
  max-width: 36ch;
  font-size: clamp(0.9rem, 1.05vw, 1.0625rem);
  line-height: 1.75;
  color: var(--ivory-80);
}

/* ------------------------------------------------------------- 01 hero -- */
/* the watch sits centre-left in the source still, so the hero column takes
   the right-hand side where the set falls into shadow */
.chapter--hero::before {
  background:
    linear-gradient(
      260deg,
      rgba(3, 7, 18, 0.92) 0%,
      rgba(3, 7, 18, 0.74) 32%,
      rgba(3, 7, 18, 0.2) 60%,
      rgba(3, 7, 18, 0) 82%
    ),
    linear-gradient(to top, rgba(3, 7, 18, 0.6) 0%, rgba(3, 7, 18, 0) 26%);
}

.chapter--hero {
  align-items: center;
}

.chapter--hero .chapter__inner {
  align-items: flex-end;
  text-align: right;
}

.hero__eyebrow {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  font-size: 0.625rem;
  font-weight: 400;
  letter-spacing: 0.36em;
  text-transform: uppercase;
  color: var(--ivory-80);
}

.hero__eyebrow-rule {
  width: clamp(1.5rem, 3vw, 2.75rem);
  height: 1px;
  background: var(--gold);
}

.hero__title {
  margin-top: clamp(1rem, 2.4vh, 1.75rem);
  font-size: clamp(2.5rem, 5.6vw, 6rem);
  line-height: 1.02;
  letter-spacing: -0.012em;
  text-wrap: nowrap;
}

.hero__title span {
  display: block;
}

/* italic descenders need clearance */
.hero__title em {
  font-style: italic;
  color: var(--gold);
  padding-bottom: 0.08em;
  display: inline-block;
}

.hero__lede {
  margin-top: clamp(1.1rem, 2.4vh, 1.65rem);
  max-width: 34ch;
  font-size: clamp(0.9rem, 1.05vw, 1.0625rem);
  line-height: 1.75;
  color: var(--ivory-80);
}

.hero__actions {
  margin-top: clamp(1.5rem, 3.4vh, 2.5rem);
}

/* ------------------------------------------------------------- 02 dial -- */
.chapter--dial::before {
  background:
    linear-gradient(
      95deg,
      rgba(3, 7, 18, 0.9) 0%,
      rgba(3, 7, 18, 0.6) 28%,
      rgba(3, 7, 18, 0.1) 55%,
      rgba(3, 7, 18, 0) 75%
    ),
    linear-gradient(to top, rgba(3, 7, 18, 0.72) 0%, rgba(3, 7, 18, 0) 42%);
}

.chapter--dial {
  align-items: flex-end;
}

.chapter--dial .chapter__inner {
  padding-bottom: 16vh;
}

.spec-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 2rem;
  padding: 0;
  list-style: none;
}

.spec-chips li {
  padding: 0.6rem 1.1rem;
  border: 1px solid var(--ivory-14);
  font-size: 0.625rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ivory-80);
  background: rgba(4, 7, 14, 0.35);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}

/* ------------------------------------------------------------- 03 case -- */
.chapter--case::before {
  background:
    linear-gradient(
      260deg,
      rgba(3, 7, 18, 0.92) 0%,
      rgba(3, 7, 18, 0.7) 26%,
      rgba(3, 7, 18, 0.12) 56%,
      rgba(3, 7, 18, 0) 78%
    ),
    linear-gradient(to top, rgba(3, 7, 18, 0.5) 0%, rgba(3, 7, 18, 0) 30%);
}

.chapter--case {
  align-items: center;
}

.chapter--case .chapter__inner {
  align-items: flex-end;
  text-align: right;
}

.layer-list {
  width: min(100%, 25rem);
  margin: 0.5rem 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--ivory-14);
}

.layer-list li {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: baseline;
  gap: 0.2rem 1rem;
  padding: 0.95rem 0;
  border-bottom: 1px solid var(--ivory-08);
}

.layer-list__no {
  grid-column: 2;
  grid-row: 1 / span 2;
  font-family: var(--serif);
  font-size: 0.75rem;
  color: var(--gold);
}

.layer-list__name {
  grid-column: 1;
  font-size: 0.9375rem;
  letter-spacing: 0.04em;
  color: var(--ivory);
}

.layer-list__meta {
  grid-column: 1;
  font-size: 0.6875rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ivory-55);
}

/* ---------------------------------------------------------- 04 calibre -- */
.chapter--calibre::before {
  background: linear-gradient(
    to top,
    rgba(3, 7, 18, 0.94) 0%,
    rgba(3, 7, 18, 0.82) 22%,
    rgba(3, 7, 18, 0.3) 46%,
    rgba(3, 7, 18, 0) 68%
  );
}

.chapter--calibre {
  align-items: flex-end;
}

.chapter--calibre .chapter__inner {
  align-items: stretch;
  padding-bottom: 15vh;
}

.calibre__stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  margin: 0;
  background: var(--ivory-08);
  border: 1px solid var(--ivory-08);
}

.calibre__stat {
  padding: 1.4rem 1.5rem 1.25rem;
  background: rgba(4, 7, 14, 0.5);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

.calibre__stat dt {
  display: flex;
  align-items: baseline;
  gap: 0.1em;
  font-family: var(--serif);
  font-size: clamp(1.5rem, 2.6vw, 2.5rem);
  line-height: 1;
  font-variant-numeric: tabular-nums;
  color: var(--ivory);
}

.calibre__stat dt em {
  font-style: normal;
  font-size: 0.45em;
  color: var(--gold);
}

.calibre__stat dt.calibre__word {
  font-size: clamp(1.15rem, 1.9vw, 1.85rem);
}

.calibre__stat dd {
  margin: 0.7rem 0 0;
  font-size: 0.625rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ivory-55);
}

/* --- HUD ------------------------------------------------------------------ */

.rail {
  position: absolute;
  left: var(--gutter);
  bottom: 8.1vh;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  font-size: 0.6875rem;
  letter-spacing: 0.22em;
  font-variant-numeric: tabular-nums;
  color: var(--ivory-55);
  z-index: 5;
}

.rail__index {
  color: var(--ivory);
}

.rail__track {
  position: relative;
  display: block;
  width: clamp(5rem, 16vw, 15rem);
  height: 1px;
  background: var(--ivory-14);
}

.rail__fill {
  position: absolute;
  inset: 0;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
}

/* timecode of the film: shown from chapter 02, once the reader is driving it */
.readout {
  position: absolute;
  right: var(--gutter);
  bottom: 8.1vh;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 0.625rem;
  letter-spacing: 0.18em;
  font-variant-numeric: tabular-nums;
  color: var(--ivory-38);
  z-index: 5;
  opacity: 0;
  transition: opacity 0.6s var(--ease);
}

.stage:not([data-chapter='1']) .readout {
  opacity: 1;
}

.readout__time {
  color: var(--ivory-80);
}

.readout__sep {
  width: 1.5rem;
  height: 1px;
  background: var(--ivory-14);
}

/* ===========================================================================
   Below the stage
   ======================================================================== */

.marquee {
  overflow: hidden;
  background: var(--ink-000);
  border-block: 1px solid var(--ivory-08);
  padding-block: 1.35rem;
  -webkit-mask-image: linear-gradient(to right, transparent, #000 12%, #000 88%, transparent);
  mask-image: linear-gradient(to right, transparent, #000 12%, #000 88%, transparent);
}

.marquee__track {
  display: flex;
  width: max-content;
  animation: marquee-run 48s linear infinite;
}

.marquee__run {
  display: flex;
  flex: none;
}

.marquee__word {
  display: flex;
  align-items: center;
  gap: clamp(1.5rem, 3vw, 3rem);
  padding-right: clamp(1.5rem, 3vw, 3rem);
  font-size: 0.625rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  white-space: nowrap;
  color: var(--ivory-38);
}

.marquee__word i {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--gold);
  opacity: 0.6;
}

@keyframes marquee-run {
  to {
    transform: translateX(-50%);
  }
}

.section-title {
  font-size: clamp(1.75rem, 3.2vw, 2.9rem);
  line-height: 1.1;
  letter-spacing: 0.005em;
}

.section-sub {
  margin-top: 1rem;
  max-width: 52ch;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--ivory-55);
}

/* --- straps: 3-up -------------------------------------------------------- */

.straps {
  padding-block: clamp(4.5rem, 11vh, 8rem);
}

.straps__head {
  margin-bottom: clamp(2rem, 5vh, 3.5rem);
}

.straps__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(0.75rem, 1.6vw, 1.5rem);
  margin: 0;
  padding: 0;
  list-style: none;
}

.s-card__plate {
  overflow: hidden;
  aspect-ratio: 4 / 5;
  /* the packshots are on Rado's own white sweep; a hair off white so the
     plate edge disappears into it */
  background: #fbfbfa;
}

.s-card__plate img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.9s var(--ease);
}

.s-card:hover .s-card__plate img {
  transform: scale(1.04);
}

.s-card__name {
  margin-top: 1.15rem;
  font-family: var(--sans);
  font-weight: 400;
  font-size: 0.75rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.s-card__meta {
  margin-top: 0.35rem;
  font-size: 0.875rem;
  color: var(--ivory-55);
}

/* --- caseback: image / text split --------------------------------------- */

.caseback {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  align-items: center;
  border-top: 1px solid var(--ivory-08);
}

.caseback__media img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
}

.caseback__body {
  padding: clamp(3rem, 8vh, 6rem) var(--gutter);
  max-width: 40rem;
}

.caseback__copy {
  margin-top: 1.5rem;
  max-width: 52ch;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--ivory-80);
}

.caseback__facts {
  display: grid;
  grid-template-columns: repeat(3, auto);
  justify-content: start;
  gap: 1.25rem 2.5rem;
  margin-top: 2.25rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--ivory-14);
}

.caseback__facts dt {
  font-size: 0.625rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--ivory-38);
}

.caseback__facts dd {
  margin: 0.45rem 0 0;
  font-family: var(--serif);
  font-size: 1.05rem;
}

/* --- close: full-bleed photograph with a price panel -------------------- */

.close {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  min-height: clamp(30rem, 86svh, 52rem);
  padding: var(--gutter);
  overflow: hidden;
}

/* Rado's wide campaign still: the watch sits centre-left, so the price panel
   takes the dark right-hand third where the set falls away */
.close__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 78% 50%;
}

.close::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(260deg, rgba(3, 7, 18, 0.9) 0%, rgba(3, 7, 18, 0.62) 30%, rgba(3, 7, 18, 0) 58%);
}

.close__panel {
  position: relative;
  z-index: 2;
  max-width: 24rem;
}

.close__price {
  font-family: var(--serif);
  font-size: clamp(2.5rem, 5vw, 4.25rem);
  line-height: 1;
}

.close__note {
  margin: 1rem 0 2rem;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--ivory-80);
}

/* --- footer -------------------------------------------------------------- */

.footer {
  padding-block: clamp(2.5rem, 6vh, 4rem);
  border-top: 1px solid var(--ivory-08);
}

.footer__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem 2rem;
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--ivory-55);
}

.footer__mark {
  width: 8rem;
  height: auto;
  opacity: 0.8;
}

.footer__dim {
  color: var(--ivory-38);
}

/* --- reveal -------------------------------------------------------------- */

[data-reveal] {
  opacity: 0;
  transform: translateY(1.75rem);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
  transition-delay: calc(var(--i, 0) * 70ms);
}

[data-reveal].is-in {
  opacity: 1;
  transform: none;
}

/* ===========================================================================
   Responsive
   ======================================================================== */

@media (max-width: 900px) {
  .calibre__stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .chapter--case {
    align-items: flex-end;
  }

  .chapter--case .chapter__inner {
    align-items: flex-start;
    text-align: left;
    padding-bottom: 18vh;
  }

  .chapter--case::before {
    background: linear-gradient(to top, rgba(3, 7, 18, 0.94) 0%, rgba(3, 7, 18, 0.72) 42%, rgba(3, 7, 18, 0) 78%);
  }

  .caseback {
    grid-template-columns: 1fr;
  }
}

/* The canvas switches to its portrait crop below an 11:10 aspect (see FOCUS
   in app.js), so the chapter copy stacks on the same rule, not on width
   alone: a 768 x 1024 tablet would otherwise put the hero copy on the dial. */
@media (max-width: 720px), (max-aspect-ratio: 11/10) {
  .chapter--hero {
    align-items: flex-end;
  }

  .chapter--hero .chapter__inner {
    align-items: flex-start;
    text-align: left;
    padding-bottom: 20vh;
  }

  .chapter--hero::before,
  .chapter--dial::before {
    background: linear-gradient(
      to top,
      rgba(3, 7, 18, 0.95) 0%,
      rgba(3, 7, 18, 0.78) 38%,
      rgba(3, 7, 18, 0.2) 66%,
      rgba(3, 7, 18, 0) 88%
    );
  }

  .hero__title {
    text-wrap: wrap;
    font-size: clamp(2.4rem, 11.5vw, 4rem);
  }

  .hero__actions,
  .hero__actions .solid-btn {
    width: 100%;
  }

  .chapter--dial .chapter__inner,
  .chapter--calibre .chapter__inner {
    padding-bottom: 18vh;
  }

  .chapter--case {
    align-items: flex-end;
  }

  .chapter--case .chapter__inner {
    align-items: flex-start;
    text-align: left;
    padding-bottom: 18vh;
  }

  .chapter--case::before {
    background: linear-gradient(to top, rgba(3, 7, 18, 0.95) 0%, rgba(3, 7, 18, 0.74) 42%, rgba(3, 7, 18, 0) 78%);
  }

  .calibre__stats {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

  .readout {
    display: none;
  }

  .rail {
    bottom: 6vh;
  }

  .calibre__stat {
    padding: 1rem 1.1rem;
  }

  .layer-list li {
    padding: 0.7rem 0;
  }

  .straps__grid {
    grid-template-columns: 1fr;
    max-width: 24rem;
  }

  .caseback__facts {
    grid-template-columns: repeat(2, auto);
  }

  /* stacked on phones: photograph on top, price beneath it, never over it */
  .close {
    display: block;
    min-height: 0;
    padding: 0;
  }

  .close__bg {
    position: relative;
    height: auto;
    aspect-ratio: 4 / 3;
    object-position: 42% 50%;
  }

  .close::after {
    display: none;
  }

  .close__panel {
    max-width: none;
    padding: 2.5rem var(--gutter) 3.5rem;
  }

  .close .ghost-btn {
    width: 100%;
  }
}

/* frame scrubbing stays: the reader drives it. Unprompted motion goes. */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .marquee__track,
  .mockup-flag {
    animation: none;
  }

  .chapter {
    transform: none !important;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}