/* ==========================================================================
   LEUR — main.css
   Layout, hero stage, atmosphere, sections, micro-interactions.
   ========================================================================== */

/* ==========================================================================
   1. PRELOADER
   ========================================================================== */
.preloader {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: grid;
  place-items: center;
  background: var(--ink-900);
}
/* No transform here — GSAP owns transform on this element during the reveal. */
.preloader__inner {
  display: grid;
  justify-items: center;
  gap: var(--space-sm);
  padding-bottom: 8vh;
}
.preloader__mark {
  width: 34px;
  color: var(--champagne);
  opacity: 0.85;
  animation: markBreathe 4.5s var(--ease-in-out-lux) infinite;
}
.preloader__mark svg { width: 100%; height: auto; }

@keyframes markBreathe {
  0%, 100% { opacity: 0.4; transform: translateY(0) scale(1); }
  50%      { opacity: 0.95; transform: translateY(-3px) scale(1.03); }
}

.preloader__word {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 300;
  letter-spacing: 0.62em;
  text-indent: 0.62em;
  color: var(--platinum);
}
.preloader__bar {
  position: relative;
  width: clamp(140px, 18vw, 220px);
  height: 1px;
  background: rgba(218, 212, 198, 0.12);
  overflow: hidden;
}
.preloader__fill {
  position: absolute;
  inset: 0;
  transform: scaleX(0);
  transform-origin: left center;
  background: linear-gradient(90deg, transparent, var(--champagne));
  will-change: transform;
}
.preloader__pct {
  font-size: 0.62rem;
  letter-spacing: 0.34em;
  color: var(--platinum-dim);
  font-variant-numeric: tabular-nums;
}
.preloader__pct i { font-style: normal; opacity: 0.5; margin-left: 0.2em; }

/* ==========================================================================
   2. ATMOSPHERE — layered depth behind everything
   ========================================================================== */
.atmosphere {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}
.atmosphere__gradient {
  position: absolute;
  inset: -20%;
  background:
    radial-gradient(58% 44% at 50% 42%, #14181E 0%, transparent 62%),
    radial-gradient(70% 55% at 18% 78%, #0B1016 0%, transparent 70%),
    linear-gradient(175deg, #06080A 0%, #040506 55%, #070809 100%);
  animation: gradientDrift 34s var(--ease-in-out-lux) infinite alternate;
}
@keyframes gradientDrift {
  0%   { transform: translate3d(-1.4%, -1%, 0) scale(1.04); }
  100% { transform: translate3d(1.4%, 1.2%, 0) scale(1.09); }
}

/* Soft volumetric blooms */
.atmosphere__bloom {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  mix-blend-mode: screen;
  will-change: transform;
}
.atmosphere__bloom--a {
  width: 52vw; height: 52vw;
  top: 6%; left: 8%;
  background: radial-gradient(circle, rgba(126,136,148,0.16), transparent 66%);
  animation: bloomDriftA 26s ease-in-out infinite alternate;
}
.atmosphere__bloom--b {
  width: 44vw; height: 44vw;
  bottom: 4%; right: 6%;
  background: radial-gradient(circle, rgba(199,185,156,0.10), transparent 66%);
  animation: bloomDriftB 32s ease-in-out infinite alternate;
}
/* --px / --py are written by Atmosphere for pointer parallax. Custom
   properties resolve live inside keyframes, so the drift and the parallax
   compose instead of fighting over the transform. */
@keyframes bloomDriftA {
  0%   { transform: translate3d(calc(0vw + var(--px, 0px)), calc(0vh + var(--py, 0px)), 0) scale(1); }
  100% { transform: translate3d(calc(6vw + var(--px, 0px)), calc(4vh + var(--py, 0px)), 0) scale(1.16); }
}
@keyframes bloomDriftB {
  0%   { transform: translate3d(calc(0vw + var(--px, 0px)), calc(0vh + var(--py, 0px)), 0) scale(1.1); }
  100% { transform: translate3d(calc(-5vw + var(--px, 0px)), calc(-5vh + var(--py, 0px)), 0) scale(1); }
}

/* Occasional anamorphic lens flare — GSAP fires this sparingly */
.atmosphere__flare {
  position: absolute;
  top: 34%; left: 50%;
  width: 76vw; height: 2px;
  transform: translate(-50%, -50%) scaleX(0.3);
  opacity: 0;
  background: linear-gradient(90deg,
    transparent, rgba(150,170,200,0.10) 22%,
    rgba(214,224,240,0.5) 50%,
    rgba(150,170,200,0.10) 78%, transparent);
  filter: blur(2.5px);
  will-change: opacity, transform;
}

.atmosphere__vignette {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 92% at 50% 46%, transparent 42%, rgba(0,0,0,0.55) 78%, rgba(0,0,0,0.86) 100%);
}

/* Fine film grain — static texture, stepped so it reads as emulsion not noise */
.atmosphere__grain {
  position: absolute;
  inset: -150%;
  width: 400%; height: 400%;
  opacity: 0.16;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.82' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.55'/%3E%3C/svg%3E");
  animation: grainShift 700ms steps(1) infinite;
  pointer-events: none;
}
@keyframes grainShift {
  0%   { transform: translate3d(0,0,0); }
  25%  { transform: translate3d(-4%, 3%, 0); }
  50%  { transform: translate3d(3%, -4%, 0); }
  75%  { transform: translate3d(-3%, -2%, 0); }
  100% { transform: translate3d(2%, 4%, 0); }
}

/* ==========================================================================
   3. NAV
   ========================================================================== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 90;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: clamp(1.4rem, 2.6vw, 2.4rem) var(--gutter);
  /* A soft shadow keeps the nav legible over the mist without a blend mode.
     mix-blend-mode: difference was tried and abandoned — it inverts against
     the page copy passing underneath and the two sets of letters collide. */
  text-shadow: 0 1px 18px rgba(0, 0, 0, 0.75);
  transition: background-color 0.7s var(--ease-out-lux),
              backdrop-filter 0.7s var(--ease-out-lux),
              border-color 0.7s var(--ease-out-lux);
  border-bottom: 1px solid transparent;
}
/* Past the film, the nav sits over real content and earns a scrim. */
.nav.is-scrolled {
  background-color: rgba(5, 6, 7, 0.72);
  backdrop-filter: blur(14px) saturate(120%);
  -webkit-backdrop-filter: blur(14px) saturate(120%);
  border-bottom-color: var(--hairline);
  text-shadow: none;
}
.nav__brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}
.nav__emblem {
  width: 15px;
  color: var(--platinum);
  opacity: 0.9;
  transition: transform 0.9s var(--ease-out-lux), opacity 0.6s;
}
.nav__brand:hover .nav__emblem { transform: translateY(-2px) rotate(-3deg); opacity: 1; }
.nav__word {
  font-family: var(--font-display);
  font-size: clamp(1rem, 1.4vw, 1.25rem);
  letter-spacing: 0.5em;
  text-indent: 0.5em;
  color: var(--platinum);
}
.nav__links {
  display: flex;
  gap: clamp(1.6rem, 3.4vw, 3.4rem);
}
.nav__links a {
  position: relative;
  font-size: 0.66rem;
  font-weight: 400;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--platinum);
  opacity: 0.62;
  transition: opacity 0.55s var(--ease-out-lux);
}
.nav__links a::after {
  content: '';
  position: absolute;
  left: 0; bottom: -6px;
  width: 100%; height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right center;
  transition: transform 0.7s var(--ease-out-lux);
}
.nav__links a:hover { opacity: 1; }
.nav__links a:hover::after { transform: scaleX(1); transform-origin: left center; }

/* ==========================================================================
   4. HERO — pinned scroll-scrubbed film
   ========================================================================== */
.hero {
  position: relative;
  z-index: 1;
  /* MUST stay min-height, not height. ScrollTrigger injects a pin-spacer in
     here that is one viewport plus the whole scrub + hold distance tall; a
     fixed height would trap it and the sections below would overlap the hero. */
  min-height: 100vh;
  min-height: 100svh;
}
.hero__pin {
  position: relative;
  height: 100vh;
  height: 100svh;
  width: 100%;
  overflow: hidden;
}

/* --- the frame sequence --- */
.hero__stage {
  position: absolute;
  inset: 0;
  will-change: transform;
}
.hero__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  /* Aspect is preserved in JS — never stretched. */
}

/* When the film runs as a band (portrait), dissolve its top and bottom into
   the atmosphere so it reads as light in the dark, not as a letterbox. */
body.is-banded .hero__canvas {
  -webkit-mask-image: linear-gradient(180deg,
    transparent 0%, #000 9%, #000 84%, transparent 100%);
  mask-image: linear-gradient(180deg,
    transparent 0%, #000 9%, #000 84%, transparent 100%);
}

/* Legibility scrim: only as strong as the copy needs. */
.hero__grade {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(100deg, rgba(3,4,5,0.72) 0%, rgba(3,4,5,0.30) 34%, transparent 62%),
    linear-gradient(0deg, rgba(3,4,5,0.66) 0%, transparent 42%),
    radial-gradient(130% 100% at 50% 50%, transparent 46%, rgba(0,0,0,0.5) 100%);
}

/* Elegant glow that swells around the product as the film pushes in. */
.hero__glow {
  position: absolute;
  top: 50%; left: 50%;
  width: 62vmax; height: 62vmax;
  /* Centred with margins, not transform: GSAP owns transform here and
     percentage-translate centring would have to survive its parsing. */
  margin: -31vmax 0 0 -31vmax;
  transform: scale(0.7);
  opacity: 0;
  pointer-events: none;
  background: radial-gradient(circle,
    rgba(206,214,226,0.16) 0%,
    rgba(160,172,190,0.07) 34%,
    transparent 62%);
  mix-blend-mode: screen;
  filter: blur(28px);
  will-change: transform, opacity;
}

.hero__particles {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 3;
}

/* --- copy beats --- */
.hero__copy {
  position: absolute;
  inset: 0;
  z-index: 4;
  display: grid;
  padding: calc(var(--gutter) + 4rem) var(--gutter) calc(var(--gutter) + 3rem);
  pointer-events: none;
}
.beat {
  grid-area: 1 / 1;
  display: grid;
  align-content: center;
  gap: var(--space-sm);
  opacity: 0;              /* GSAP owns visibility; never flash on load */
  will-change: opacity, transform, filter;
}
/* Lifted off dead-centre so "Luxury Reimagined" clears the flacon's own
   engraved LEUR — two wordmarks stacked on each other read as a mistake. */
.beat[data-beat="1"] { justify-items: center; text-align: center; padding-bottom: 25vh; }
.beat[data-beat="2"] { justify-items: start; text-align: left; }
.beat[data-beat="3"] { justify-items: start; text-align: left; align-content: start; }
.beat[data-beat="4"] { justify-items: start; text-align: left; align-content: end; }

.beat__title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(2.6rem, 6.4vw, 6.6rem);
  line-height: 1.02;
  letter-spacing: -0.005em;
  color: #EFEBE1;
  text-wrap: balance;
}
.beat__title em {
  color: var(--champagne);
  font-weight: 300;
}
.beat__title--hero {
  font-size: clamp(4.4rem, 15.5vw, 15rem);
  letter-spacing: 0.14em;
  text-indent: 0.14em;
  line-height: 0.94;
}
.beat__sub {
  font-size: clamp(0.66rem, 0.95vw, 0.84rem);
  font-weight: 300;
  letter-spacing: 0.56em;
  text-indent: 0.56em;
  text-transform: uppercase;
  color: var(--platinum-mid);
}
.beat__eyebrow {
  font-size: clamp(0.58rem, 0.7vw, 0.68rem);
  font-weight: 400;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--champagne);
  opacity: 0.75;
}

/* --- chapter rail --- */
.rail {
  position: absolute;
  right: var(--gutter);
  top: 50%;
  transform: translateY(-50%);
  z-index: 5;
  display: flex;
  align-items: center;
  gap: 0.9rem;
}
.rail__track {
  position: relative;
  width: 1px;
  height: clamp(90px, 15vh, 150px);
  background: rgba(218, 212, 198, 0.14);
}
.rail__fill {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, var(--champagne), rgba(199,185,156,0.35));
  transform: scaleY(0);
  transform-origin: top center;
  will-change: transform;
}
.rail__acts {
  display: grid;
  gap: clamp(0.9rem, 2.4vh, 1.9rem);
  font-family: var(--font-display);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  color: var(--platinum-dim);
}
.rail__acts li {
  opacity: 0.32;
  transition: opacity 0.7s var(--ease-out-lux), color 0.7s var(--ease-out-lux);
}
.rail__acts li.is-active { opacity: 1; color: var(--champagne); }

/* --- scroll hint --- */
/* Centred by layout rather than transform — GSAP animates y on this. */
.scroll-hint {
  position: absolute;
  left: 0; right: 0;
  bottom: clamp(1.6rem, 4vh, 3rem);
  z-index: 5;
  display: grid;
  justify-items: center;
  will-change: opacity, transform;
}
.scroll-hint__inner {
  display: grid;
  justify-items: center;
  gap: 0.9rem;
  opacity: 0; /* revealed by the intro */
}
.scroll-hint__label {
  font-size: 0.56rem;
  letter-spacing: 0.44em;
  text-indent: 0.44em;
  text-transform: uppercase;
  color: var(--platinum-dim);
}
.scroll-hint__line {
  position: relative;
  display: block;
  width: 1px;
  height: 52px;
  background: rgba(218, 212, 198, 0.14);
  overflow: hidden;
}
.scroll-hint__line i {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 40%;
  background: linear-gradient(180deg, transparent, var(--champagne));
  animation: hintTravel 2.6s var(--ease-in-out-lux) infinite;
}
@keyframes hintTravel {
  0%   { transform: translateY(-100%); }
  60%, 100% { transform: translateY(250%); }
}

/* ==========================================================================
   5. SECTIONS
   ========================================================================== */
.section {
  position: relative;
  z-index: 1;
  padding-block: var(--space-xl);
}
.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.wrap--narrow { max-width: 940px; }

.section__title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(2.2rem, 5.4vw, 5rem);
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: #E8E3D8;
  margin-top: var(--space-sm);
  text-wrap: balance;
}
.section__title em { color: var(--champagne); }

/* --- composition --- */
.notes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(2rem, 5vw, 5rem);
  margin-top: var(--space-lg);
  border-top: 1px solid var(--hairline);
  padding-top: var(--space-md);
}
.note {
  position: relative;
  display: grid;
  gap: 0.4rem;
  align-content: start;
}
.note__idx {
  font-size: 0.6rem;
  letter-spacing: 0.3em;
  color: var(--platinum-dim);
  opacity: 0.6;
}
.note__name {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(1.7rem, 2.9vw, 2.7rem);
  line-height: 1.1;
  color: var(--platinum);
}
.note__meta {
  font-size: 0.6rem;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--champagne);
  opacity: 0.7;
  margin-bottom: var(--space-sm);
}
.note__list li {
  font-size: clamp(0.82rem, 1.05vw, 0.95rem);
  color: var(--platinum-mid);
  padding-block: 0.55rem;
  border-bottom: 1px solid rgba(218, 212, 198, 0.07);
  transition: color 0.6s var(--ease-out-lux), padding-left 0.6s var(--ease-out-lux);
}
.note:hover .note__list li { color: var(--platinum); }
.note__list li:hover { padding-left: 0.6rem; }

/* --- maison --- */
.section--maison { text-align: center; }
.quote {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(2rem, 5vw, 4.4rem);
  line-height: 1.16;
  color: #EFEBE1;
}
.quote em { color: var(--champagne); }
.quote__body {
  max-width: 54ch;
  margin: var(--space-md) auto 0;
  font-size: clamp(0.88rem, 1.1vw, 1rem);
  line-height: 1.95;
  color: var(--platinum-mid);
}
.quote__sign {
  margin-top: var(--space-md);
  font-size: 0.62rem;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--platinum-dim);
}

/* --- acquire --- */
.acquire {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.82fr);
  gap: clamp(2.5rem, 7vw, 7rem);
  align-items: center;
}
.acquire__still {
  position: relative;
  margin: 0;
  aspect-ratio: 4 / 5;
  overflow: hidden;
}
.acquire__still img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  /* The still is one frame of the film; feathering the edges lets it sit in
     the page as light rather than as a pasted rectangle. `closest-side` puts
     the falloff exactly on the box edges — a larger ellipse leaves a visible
     seam where the image is still opaque when it runs out of box. */
  -webkit-mask-image: radial-gradient(ellipse closest-side at 50% 46%,
    #000 30%, rgba(0,0,0,0.5) 70%, transparent 100%);
  mask-image: radial-gradient(ellipse closest-side at 50% 46%,
    #000 30%, rgba(0,0,0,0.5) 70%, transparent 100%);
  transform: scale(1.02);
  transition: transform 1.4s var(--ease-out-lux);
}
.acquire__still:hover img { transform: scale(1.06); }
.acquire__still figcaption {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  text-align: center;
  font-size: 0.58rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--platinum-dim);
}

.spec {
  margin-top: var(--space-md);
  display: grid;
  gap: 0;
  max-width: 30rem;
}
.spec > div {
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  padding-block: 0.85rem;
  border-bottom: 1px solid rgba(218, 212, 198, 0.08);
}
.spec dt {
  font-size: 0.6rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--platinum-dim);
}
.spec dd {
  margin: 0;
  font-size: 0.88rem;
  color: var(--platinum-mid);
}

.acquire__desc {
  max-width: 46ch;
  margin-top: var(--space-md);
  font-size: clamp(0.88rem, 1.1vw, 1rem);
  line-height: 1.95;
  color: var(--platinum-mid);
}
.acquire__row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: clamp(1.5rem, 4vw, 3.5rem);
  margin-top: var(--space-lg);
}
.acquire__price {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 2.6vw, 2.4rem);
  color: var(--platinum);
  letter-spacing: 0.04em;
}

.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1.15rem 2.9rem;
  border: 1px solid rgba(218, 212, 198, 0.28);
  overflow: hidden;
  isolation: isolate;
}
.btn__label {
  position: relative;
  z-index: 2;
  font-size: 0.66rem;
  font-weight: 400;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--platinum);
  transition: color 0.6s var(--ease-out-lux);
}
.btn__fill {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: var(--platinum);
  transform: scaleY(0);
  transform-origin: bottom center;
  transition: transform 0.7s var(--ease-out-lux);
}
.btn:hover .btn__fill { transform: scaleY(1); }
.btn:hover .btn__label { color: var(--ink-900); }

/* --- footer --- */
.footer {
  position: relative;
  z-index: 1;
  padding-block: var(--space-lg) var(--space-md);
  border-top: 1px solid var(--hairline);
}
.footer__inner {
  display: grid;
  justify-items: center;
  gap: var(--space-sm);
  text-align: center;
}
.footer__word {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 11vw, 9rem);
  font-weight: 300;
  letter-spacing: 0.34em;
  text-indent: 0.34em;
  line-height: 1;
  color: rgba(218, 212, 198, 0.13);
}
.footer__note {
  font-size: 0.62rem;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--platinum-mid);
}
.footer__fine {
  font-size: 0.62rem;
  letter-spacing: 0.16em;
  color: var(--platinum-dim);
}

/* ==========================================================================
   6. CUSTOM CURSOR
   ========================================================================== */
.cursor {
  position: fixed;
  top: 0; left: 0;
  z-index: 150;
  pointer-events: none;
  opacity: 0;
  mix-blend-mode: difference;
}
.cursor__dot,
.cursor__ring {
  position: absolute;
  top: 0; left: 0;
  border-radius: 50%;
  will-change: transform;
}
.cursor__dot {
  width: 5px; height: 5px;
  margin: -2.5px 0 0 -2.5px;
  background: var(--platinum);
}
.cursor__ring {
  width: 38px; height: 38px;
  margin: -19px 0 0 -19px;
  border: 1px solid rgba(218, 212, 198, 0.45);
}
/* Only a real pointer gets a custom cursor. */
@media (hover: hover) and (pointer: fine) {
  body.has-cursor,
  body.has-cursor * { cursor: none; }
}

/* ==========================================================================
   7. SCROLL REVEALS (post-hero sections)
   ========================================================================== */
[data-reveal] { opacity: 0; will-change: opacity, transform, filter; }

/* ==========================================================================
   8. RESPONSIVE
   ========================================================================== */
@media (max-width: 1024px) {
  .acquire { grid-template-columns: 1fr; gap: var(--space-lg); }
  .acquire__still { aspect-ratio: 3 / 2; order: -1; }
  .notes { grid-template-columns: 1fr; gap: var(--space-md); }
  .note { border-bottom: 1px solid var(--hairline); padding-bottom: var(--space-md); }
  .notes .note:last-child { border-bottom: 0; padding-bottom: 0; }
  .rail { display: none; }
}

@media (max-width: 860px) {
  .nav__links { gap: 1.2rem; }
  .nav__links a { font-size: 0.58rem; letter-spacing: 0.2em; }
}

/* Matches SEQUENCE.mobileBreakpoint. Below this the film runs as a band, so
   the copy layout has to move with it — otherwise text keeps a placement that
   assumes full bleed while the picture no longer fills the frame. */
@media (max-width: 820px) {
  .hero__copy {
    padding: calc(var(--gutter) + 4.5rem) var(--gutter) calc(var(--gutter) + 2rem);
  }
  /* All copy lives beneath the band, centred. Nothing overlaps the flacon.
     Selectors are written per-beat to match the specificity of the desktop
     rules above — a bare `.beat` here would lose to `.beat[data-beat="4"]`. */
  .beat[data-beat="1"],
  .beat[data-beat="2"],
  .beat[data-beat="3"],
  .beat[data-beat="4"] {
    justify-items: center;
    text-align: center;
    align-content: end;
    gap: 0.75rem;
    padding-bottom: 3.25rem;
  }

  .beat__title { font-size: clamp(2rem, 7vw, 3rem); }
  .beat__title--hero {
    font-size: clamp(3rem, 15vw, 5rem);
    letter-spacing: 0.08em;
    text-indent: 0.08em;
  }
  /* Wide tracking overflows a narrow viewport; pull it in. */
  .beat__sub {
    font-size: 0.6rem;
    letter-spacing: 0.3em;
    text-indent: 0.3em;
  }
  .beat__eyebrow { letter-spacing: 0.3em; }

  .hero__grade {
    background:
      linear-gradient(0deg, rgba(3,4,5,0.9) 0%, rgba(3,4,5,0.3) 34%, transparent 58%),
      linear-gradient(180deg, rgba(3,4,5,0.62) 0%, transparent 24%);
  }

  /* The hint shrinks to a bare filament so it cannot crowd the wordmark in
     the little vertical room left below the film. */
  .scroll-hint__label { display: none; }
  .scroll-hint__line { height: 30px; }
}

@media (max-width: 680px) {
  .nav__links a:not(:last-child) { display: none; }
  .acquire__row { gap: 1.5rem; }
  .btn { width: 100%; }
  .spec > div { padding-block: 0.7rem; }
}

/* ==========================================================================
   9. REDUCED MOTION — the film becomes a still, everything settles
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .atmosphere__grain { animation: none; }
  .scroll-hint { display: none; }
  .beat { opacity: 1 !important; filter: none !important; transform: none !important; }
  /* Beats stack rather than overlay when they can't cross-dissolve. */
  .hero { height: auto !important; }
  .hero__pin { height: auto; min-height: 100svh; }
  .hero__copy {
    position: relative;
    display: grid;
    gap: var(--space-lg);
    padding-block: var(--space-xl);
  }
  .beat { grid-area: auto; }
  [data-reveal] { opacity: 1 !important; }
}