/* =============================================================================
   Stella — Lyra
   Direction : « lumière dans le noir ». Fond quasi noir accordé au fond des
   packshots, typographie DM Serif Display / Jost, la lumière (barre LED du socle)
   comme unique accent. Une seule section claire, en rupture : le confort.
   ========================================================================== */

/* ------------------------------------------------------------------ fontes */

/* DM Serif Display : une didone à graisse pleine, choisie pour répondre au
   logotype « stella » qui est gras. Une seule graisse (400) + son italique —
   pas d'axe optique, donc les déliés ne s'affinent pas dans les grands corps. */
@font-face {
  font-family: 'DM Serif Display';
  src: url('/assets/fonts/DMSerifDisplay-latin.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'DM Serif Display';
  src: url('/assets/fonts/DMSerifDisplay-latin-ext.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+1E00-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'DM Serif Display';
  src: url('/assets/fonts/DMSerifDisplay-italic-latin.woff2') format('woff2');
  font-weight: 400;
  font-style: italic;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'DM Serif Display';
  src: url('/assets/fonts/DMSerifDisplay-italic-latin-ext.woff2') format('woff2');
  font-weight: 400;
  font-style: italic;
  font-display: swap;
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+1E00-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'Jost';
  src: url('/assets/fonts/Jost-latin.woff2') format('woff2');
  font-weight: 300 600;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Jost';
  src: url('/assets/fonts/Jost-latin-ext.woff2') format('woff2');
  font-weight: 300 600;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+1E00-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

/* ------------------------------------------------------------------ jetons */

:root {
  /* Le fond de page est accordé au fond des packshots : les images fondent
     dans la page au lieu de s'y poser. */
  --void: #060608;
  --ink: #0b0c10;
  --raise: #101116;

  --porcelain: #f2f1ed;
  --mute: rgb(242 241 237 / 0.60);
  --faint: rgb(242 241 237 / 0.5);   /* ≥ 4.5:1 sur --void (WCAG AA) */
  --hair: rgb(242 241 237 / 0.11);
  --hair-strong: rgb(242 241 237 / 0.22);

  --glow: #cbe1f2;

  --light-bg: #efede8;
  --light-ink: #0e0f13;
  --light-mute: rgb(14 15 19 / 0.62);
  --light-hair: rgb(14 15 19 / 0.14);

  --display: 'DM Serif Display', 'Didot', 'Times New Roman', serif;
  --sans: 'Jost', 'Avenir Next', 'Helvetica Neue', system-ui, sans-serif;

  --wrap: 1240px;
  --pad: clamp(1.25rem, 5vw, 4rem);
  --section: clamp(5.5rem, 12vw, 10.5rem);

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --slow: 0.8s;
}

/* ------------------------------------------------------------------- reset */

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 6rem;
}

body {
  margin: 0;
  background: var(--void);
  color: var(--porcelain);
  font-family: var(--sans);
  font-weight: 300;
  font-size: clamp(1rem, 0.96rem + 0.2vw, 1.0625rem);
  line-height: 1.72;
  letter-spacing: 0.005em;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, video, picture, svg { display: block; max-width: 100%; }
img, video { height: auto; }

h1, h2, h3, p, ul, ol, dl, dd, figure, blockquote { margin: 0; padding: 0; }
ul, ol { list-style: none; }

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

button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

:focus-visible {
  outline: 2px solid var(--glow);
  outline-offset: 3px;
  border-radius: 2px;
}

::selection { background: var(--glow); color: #06070a; }

/* ------------------------------------------------------------- typographie */

.display {
  font-family: var(--display);
  font-weight: 400;
  line-height: 1.04;
  letter-spacing: -0.018em;
  text-wrap: balance;
}

.h-xxl { font-size: clamp(2.75rem, 7vw, 6.25rem); }
.h-xl  { font-size: clamp(2.25rem, 5vw, 4.5rem); }
.h-l   { font-size: clamp(1.9rem, 3.4vw, 3.1rem); }

.eyebrow {
  display: flex;
  align-items: center;
  gap: 0.6em;
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--faint);
  line-height: 1;
}

.lede {
  font-size: clamp(1.0625rem, 1rem + 0.35vw, 1.25rem);
  color: var(--mute);
  max-width: 46ch;
}

strong { font-weight: 500; color: var(--porcelain); }

/* Étoile à quatre branches, reprise du logotype. */
.star {
  --size: 0.62em;
  flex: none;
  width: var(--size);
  height: var(--size);
  background: currentColor;
  opacity: 0.85;
  -webkit-mask: var(--star) center / contain no-repeat;
  mask: var(--star) center / contain no-repeat;
}
:root {
  --star: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 32 32'%3E%3Cpath d='M16 0.6c1.55 8.9 6.95 14.3 15.4 15.4-8.45 1.1-13.85 6.5-15.4 15.4-1.55-8.9-6.95-14.3-15.4-15.4 8.45-1.1 13.85-6.5 15.4-15.4Z' fill='%23000'/%3E%3C/svg%3E");
}

/* --------------------------------------------------------------- structure */

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--pad);
}

.section { padding-block: var(--section); }

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 200;
  padding: 0.7rem 1.1rem;
  background: var(--porcelain);
  color: var(--void);
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  transform: translateY(-160%);
  transition: transform 0.25s var(--ease);
}
.skip-link:focus-visible { transform: none; }

/* Grain : casse l'aplat des grands noirs et évite le banding. */
.grain {
  position: fixed;
  inset: -50%;
  z-index: 150;
  pointer-events: none;
  opacity: 0.065;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------------------------------------------------------------- boutons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.7em;
  min-height: 2.875rem;
  padding: 0.85em 1.6em;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  line-height: 1;
  border: 1px solid transparent;
  border-radius: 999px;
  transition: background-color 0.35s var(--ease), color 0.35s var(--ease),
              border-color 0.35s var(--ease), box-shadow 0.35s var(--ease),
              transform 0.35s var(--ease);
}

.btn--solid {
  background: var(--porcelain);
  color: var(--void);
  box-shadow: 0 0 0 rgb(203 225 242 / 0);
}
.btn--solid:hover {
  box-shadow: 0 0 32px rgb(203 225 242 / 0.34);
  transform: translateY(-1px);
}

.btn--ghost { border-color: var(--hair-strong); color: var(--porcelain); }
.btn--ghost:hover { border-color: var(--porcelain); background: rgb(242 241 237 / 0.06); }

.btn--text {
  padding-inline: 0.2em;
  border-radius: 0;
  color: var(--porcelain);
  position: relative;
}
.btn--text::after {
  content: '';
  position: absolute;
  left: 0.2em;
  right: 0.2em;
  bottom: 0.55em;
  height: 1px;
  background: currentColor;
  opacity: 0.45;
  transform-origin: left;
  transition: transform 0.45s var(--ease), opacity 0.45s var(--ease);
}
.btn--text:hover::after { opacity: 1; transform: scaleX(1.06); }

.btn--big { min-height: 3.5rem; padding: 1.1em 2.4em; font-size: 0.8125rem; }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.55em;
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--porcelain);
}
.link-arrow span {
  width: 1.4em;
  height: 1px;
  background: currentColor;
  opacity: 0.5;
  transition: width 0.4s var(--ease), opacity 0.4s var(--ease);
}
.link-arrow:hover span { width: 2.4em; opacity: 1; }

/* ---------------------------------------------------------------- en-tête */

.head {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  transition: background-color 0.45s var(--ease), border-color 0.45s var(--ease),
              backdrop-filter 0.45s var(--ease);
  border-bottom: 1px solid transparent;
}
.head.is-stuck {
  background: rgb(6 6 8 / 0.86);
  backdrop-filter: blur(18px) saturate(130%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  border-bottom-color: var(--hair);
}

.head__inner {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 3vw, 2.5rem);
  max-width: var(--wrap);
  margin-inline: auto;
  padding: clamp(0.9rem, 2vw, 1.4rem) var(--pad);
}

.head__brand { display: flex; align-items: baseline; gap: 0.7rem; }
.head__brand img { width: clamp(88px, 9vw, 116px); height: auto; }
.head__model {
  font-family: var(--display);
  font-size: 0.9375rem;
  letter-spacing: 0.06em;
  color: var(--mute);
  padding-left: 0.7rem;
  border-left: 1px solid var(--hair-strong);
}

.head__nav {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2.6vw, 2.25rem);
  margin-left: auto;
}

.head__list { display: flex; gap: clamp(1rem, 2.2vw, 2rem); }
.head__list a {
  position: relative;
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mute);
  transition: color 0.3s var(--ease);
}
.head__list a::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -0.5em;
  height: 1px;
  background: var(--glow);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease);
}
.head__list a:hover { color: var(--porcelain); }
.head__list a:hover::after { transform: scaleX(1); }

.head__langs { display: flex; align-items: center; gap: 0.5rem; font-size: 0.75rem; letter-spacing: 0.14em; }
.head__langs li + li::before { content: '/'; margin-right: 0.5rem; color: var(--faint); }
.head__langs a { color: var(--faint); transition: color 0.3s var(--ease); }
.head__langs a:hover { color: var(--porcelain); }
.head__langs [aria-current] { color: var(--porcelain); }

.head__burger { display: none; }

/* ------------------------------------------------------------------- hero */

.hero {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 100svh;
  padding-block: 8rem clamp(6rem, 15vh, 9.5rem);
  overflow: hidden;
  isolation: isolate;
}

.hero__media { position: absolute; inset: 0; z-index: -1; }
.hero__media picture,
.hero__media img,
.hero__video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero__video {
  opacity: 0;
  transition: opacity 1.2s var(--ease);
}
.hero__video.is-playing { opacity: 1; }

.hero__scrim {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to top, var(--void) 2%, rgb(6 6 8 / 0.72) 24%, rgb(6 6 8 / 0.16) 62%, rgb(6 6 8 / 0.5) 100%),
    linear-gradient(to right, rgb(6 6 8 / 0.88) 4%, rgb(6 6 8 / 0.55) 34%, rgb(6 6 8 / 0) 72%);
}

.hero__body {
  position: relative;
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--pad);
}

.hero__eyebrow { color: var(--mute); animation: rise 1s var(--ease) both 0.15s; }

.hero__title {
  margin-top: clamp(1.25rem, 3vh, 2rem);
  font-size: clamp(2.25rem, 4.4vw, 4.5rem);
  line-height: 1.06;
  max-width: 30ch;
  text-shadow: 0 2px 40px rgb(6 6 8 / 0.55);
  animation: rise 1.1s var(--ease) both 0.28s;
}

.hero__lede {
  margin-top: clamp(1.25rem, 3vh, 1.75rem);
  max-width: 44ch;
  color: var(--mute);
  font-size: clamp(1rem, 0.95rem + 0.35vw, 1.1875rem);
  animation: rise 1.1s var(--ease) both 0.42s;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1.5rem;
  margin-top: clamp(1.75rem, 4vh, 2.75rem);
  animation: rise 1.1s var(--ease) both 0.56s;
}

.hero__signature {
  position: absolute;
  right: var(--pad);
  bottom: 1.6rem;
  font-family: var(--display);
  font-style: italic;
  font-size: 1.0625rem;
  color: var(--faint);
  letter-spacing: 0.01em;
  animation: rise 1.2s var(--ease) both 0.8s;
}

.hero__scroll {
  position: absolute;
  left: 50%;
  bottom: 1.4rem;
  translate: -50% 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.7rem;
  font-size: 0.625rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--faint);
  animation: rise 1.2s var(--ease) both 1s;
}
.hero__scroll::after {
  content: '';
  width: 1px;
  height: 3rem;
  background: linear-gradient(to bottom, var(--hair-strong), transparent);
}
.hero__scroll:hover { color: var(--porcelain); }

@keyframes rise {
  from { opacity: 0; transform: translateY(1.6rem); }
  to { opacity: 1; transform: none; }
}

/* ------------------------------------------------------------------ faits */

.facts {
  border-block: 1px solid var(--hair);
  background: linear-gradient(to bottom, rgb(242 241 237 / 0.02), transparent);
}
.facts__list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem 2rem;
  padding-block: clamp(1.5rem, 3vw, 2.25rem);
}
.facts__list li {
  display: flex;
  align-items: center;
  gap: 0.7em;
  font-size: 0.6875rem;
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--mute);
  line-height: 1.4;
}
.facts__list .star { color: var(--glow); opacity: 0.9; }

/* ------------------------------------------------------------------ intro */

.intro__head {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: start;
}
.intro__head .eyebrow { grid-column: 1 / -1; }
.intro__head h2 { grid-column: 1 / 7; margin-top: clamp(1.25rem, 3vw, 2rem); }
.intro__text {
  grid-column: 8 / -1;
  display: grid;
  gap: 1.25rem;
  margin-top: clamp(1.25rem, 3vw, 2.4rem);
  color: var(--mute);
  max-width: 42ch;
}

/* Le packshot passe pleine largeur : son fond de studio devient l'atmosphère
   de la section, plus aucune couture à masquer sur les côtés. */
.intro__figure { margin-top: clamp(3rem, 8vw, 6rem); }

.intro__media {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
}
.intro__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 58%;
  -webkit-mask-image: linear-gradient(to bottom, transparent, #000 14%, #000 86%, transparent);
  mask-image: linear-gradient(to bottom, transparent, #000 14%, #000 86%, transparent);
}

.intro__figure figcaption {
  margin-top: clamp(1.5rem, 3vw, 2.5rem);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--faint);
}
.intro__figure figcaption::before {
  content: '';
  display: block;
  width: 3.5rem;
  height: 1px;
  margin-bottom: 1.1rem;
  background: linear-gradient(to right, var(--glow), transparent);
}

/* ---------------------------------------------------------------- confort */

.comfort {
  background: var(--light-bg);
  color: var(--light-ink);
}
.comfort .eyebrow { color: var(--light-mute); }
.comfort .lede { color: var(--light-mute); }
.comfort strong { color: var(--light-ink); font-weight: 500; }

.comfort__grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: center;
}
.comfort__text { grid-column: 1 / 6; display: grid; gap: 1.25rem; }
.comfort__text h2 { margin-top: 0.75rem; }

.comfort__notes {
  display: grid;
  gap: 0;
  margin-top: clamp(1.5rem, 3vw, 2.5rem);
}
.comfort__notes > div {
  padding-block: 1.1rem;
  border-top: 1px solid var(--light-hair);
}
.comfort__notes > div:last-child { border-bottom: 1px solid var(--light-hair); }
.comfort__notes dt {
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.comfort__notes dd {
  margin-top: 0.35rem;
  font-size: 0.9375rem;
  color: var(--light-mute);
  line-height: 1.6;
}

.comfort__figure { grid-column: 7 / -1; }
.comfort__figure picture { display: block; aspect-ratio: 4 / 3; }
.comfort__figure img {
  width: 100%;
  height: 100%;
  /* Recadrage : on écarte l'angle noir du châssis, qui jurerait sur l'ivoire. */
  object-fit: cover;
  object-position: 50% 34%;
  border-radius: 2px;
  box-shadow: 0 40px 90px -50px rgb(14 15 19 / 0.55);
}

/* ------------------------------------------------------------- vue coupe */

.band {
  position: relative;
  display: grid;
  place-items: end center;
  min-height: min(88vh, 900px);
  padding-block: clamp(4rem, 12vw, 8rem);
  overflow: hidden;
  isolation: isolate;
}
.band__media { position: absolute; inset: 0; z-index: -1; }
.band__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 58%;
  -webkit-mask-image: linear-gradient(to bottom, transparent, #000 16%, #000 74%, transparent 99%);
  mask-image: linear-gradient(to bottom, transparent, #000 16%, #000 74%, transparent 99%);
}
/* Voile bas : garantit la lisibilité de la citation quel que soit le cadrage. */
.band::after {
  content: '';
  position: absolute;
  inset: auto 0 0;
  height: 62%;
  background: linear-gradient(to top, var(--void) 10%, rgb(6 6 8 / 0.55) 45%, transparent);
  z-index: 0;
}
.band__body { position: relative; z-index: 1; text-align: center; display: grid; justify-items: center; gap: 1.5rem; }
.band__body .eyebrow { justify-content: center; }
.band__quote {
  font-size: clamp(1.5rem, 3vw, 2.75rem);
  font-style: italic;
  line-height: 1.22;
  max-width: 22ch;
  text-wrap: balance;
}

/* ------------------------------------------------------------- technologie */

.tech__grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}
.tech__text { grid-column: 1 / 5; display: grid; gap: 1.25rem; }
.tech__text h2 { margin-top: 0.75rem; }
.tech__figure { grid-column: 6 / -1; position: relative; }
.tech__figure img {
  width: 100%;
  /* Ellipse plus étroite que la boîte : les quatre bords s'effacent, pas
     seulement les angles — sinon le fond de studio dessine un rectangle. */
  -webkit-mask-image: radial-gradient(ellipse 78% 74% at 50% 52%, #000 44%, transparent 99%);
  mask-image: radial-gradient(ellipse 78% 74% at 50% 52%, #000 44%, transparent 99%);
}

/* Annotations posées sur le packshot de profil (cadrage constant du visuel).
   Chaque repère est ancré par son point, relié à son libellé par une amorce. */
.tech__annotations { position: absolute; inset: 0; pointer-events: none; }
.tech__annotations li {
  --len: 2.2rem;
  position: absolute;
  display: grid;
  gap: 0.2rem;
  padding-left: calc(var(--len) + 0.85rem);
  text-shadow: 0 1px 12px rgb(6 6 8 / 0.9);
  opacity: 0;
  animation: annotate 0.7s var(--ease) forwards;
  animation-timeline: view();
  animation-range: entry 30% cover 42%;
}
.tech__annotations li::before {   /* le point */
  content: '';
  position: absolute;
  left: 0;
  top: 0.4rem;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--glow);
  box-shadow: 0 0 0 4px rgb(203 225 242 / 0.16), 0 0 14px rgb(203 225 242 / 0.7);
}
.tech__annotations li::after {    /* l'amorce */
  content: '';
  position: absolute;
  left: 5px;
  top: calc(0.4rem + 2px);
  width: var(--len);
  height: 1px;
  background: linear-gradient(to right, var(--glow), rgb(203 225 242 / 0.15));
}
.tech__annotations b {
  font-size: 0.625rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--mute);
  line-height: 1;
}
.tech__annotations i {
  font-family: var(--display);
  font-style: normal;
  font-size: 1rem;
  letter-spacing: 0.01em;
  line-height: 1.1;
}

/* Variante ancrée à droite : le libellé part vers la gauche du point. */
.tech__annotations li:nth-child(1),
.tech__annotations li:nth-child(2) {
  padding-left: 0;
  padding-right: calc(var(--len) + 0.85rem);
  justify-items: end;
  text-align: right;
}
.tech__annotations li:nth-child(1) { right: 24%; top: 21%; }
.tech__annotations li:nth-child(2) { right: 89%; top: 49%; }

.tech__annotations li:nth-child(1)::before,
.tech__annotations li:nth-child(2)::before { left: auto; right: 0; }
.tech__annotations li:nth-child(1)::after,
.tech__annotations li:nth-child(2)::after {
  left: auto;
  right: 5px;
  background: linear-gradient(to left, var(--glow), rgb(203 225 242 / 0.15));
}

.tech__annotations li:nth-child(3) { left: 26%; top: 69%; }
.tech__annotations li:nth-child(4) { left: 64%; top: 90%; }

@keyframes annotate {
  from { opacity: 0; transform: translateY(0.5rem); }
  to { opacity: 1; transform: none; }
}
/* Repli sans animation de scroll (Safari, Firefox) : simple révélation. */
@supports not (animation-timeline: view()) {
  .tech__annotations li { opacity: 1; animation: none; }
}

.specs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  margin-top: clamp(3.5rem, 9vw, 7rem);
  background: var(--hair);
  border-block: 1px solid var(--hair);
}
.spec {
  background: var(--void);
  padding: clamp(1.75rem, 3vw, 2.5rem) clamp(1.25rem, 2vw, 2rem);
}
.spec__value {
  display: flex;
  align-items: baseline;
  gap: 0.12em;
  font-size: clamp(2.5rem, 4.4vw, 4rem);
  line-height: 1;
  letter-spacing: -0.02em;
}
.spec__from { color: var(--faint); }
.spec__dash {
  align-self: center;
  width: 0.55em;
  height: 1px;
  margin-inline: 0.18em;
  background: var(--hair-strong);
}
.spec__unit {
  font-family: var(--sans);
  font-size: 0.3em;
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mute);
  margin-left: 0.4em;
}
.spec__label {
  margin-top: 1.1rem;
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.spec__note {
  margin-top: 0.5rem;
  font-size: 0.875rem;
  line-height: 1.55;
  color: var(--faint);
}

/* ------------------------------------------------------------------- film */

.film__head { display: grid; gap: 1rem; max-width: 46ch; }
.film__head h2 { margin-top: 0.5rem; }

.film__player {
  position: relative;
  margin-top: clamp(2.5rem, 6vw, 4rem);
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border: 1px solid var(--hair);
  background: #000;
  isolation: isolate;
}
.film__poster, .film__player video, .film__player iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border: 0;
}
.film__poster img { width: 100%; height: 100%; object-fit: cover; }

.film__play {
  position: absolute;
  inset: 0;
  display: grid;
  place-content: center;
  justify-items: center;
  gap: 1.1rem;
  background:
    radial-gradient(circle at 50% 47%, rgb(6 6 8 / 0.62), transparent 26%),
    linear-gradient(to top, rgb(6 6 8 / 0.6), rgb(6 6 8 / 0.12) 55%);
  text-shadow: 0 1px 14px rgb(6 6 8 / 0.85);
  transition: background 0.4s var(--ease);
}
.film__play:hover {
  background:
    radial-gradient(circle at 50% 47%, rgb(6 6 8 / 0.7), transparent 30%),
    linear-gradient(to top, rgb(6 6 8 / 0.72), rgb(6 6 8 / 0.22) 55%);
}
.film__disc {
  position: relative;
  width: clamp(4rem, 7vw, 5.5rem);
  aspect-ratio: 1;
  border: 1px solid var(--hair-strong);
  border-radius: 50%;
  transition: border-color 0.4s var(--ease), box-shadow 0.4s var(--ease), scale 0.4s var(--ease);
}
.film__disc::before {
  content: '';
  position: absolute;
  left: 54%;
  top: 50%;
  translate: -50% -50%;
  border-left: 0.75rem solid var(--porcelain);
  border-block: 0.5rem solid transparent;
}
.film__play:hover .film__disc {
  border-color: var(--glow);
  box-shadow: 0 0 40px rgb(203 225 242 / 0.28);
  scale: 1.05;
}
.film__playlabel {
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}
.film__player.is-live .film__play,
.film__player.is-live .film__poster { display: none; }

/* ------------------------------------------------------------- écosystème */

.eco { border-top: 1px solid var(--hair); }
.eco__head {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: end;
}
.eco__head .eyebrow { grid-column: 1 / -1; }
.eco__head h2 { grid-column: 1 / 7; margin-top: clamp(1rem, 2vw, 1.5rem); }
.eco__head .lede { grid-column: 8 / -1; }

.eco__list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin-top: clamp(3rem, 7vw, 5rem);
  background: var(--hair);
  border: 1px solid var(--hair);
}
.eco__card {
  display: grid;
  align-content: start;
  gap: 0.9rem;
  padding: clamp(1.75rem, 3vw, 2.75rem);
  background: var(--void);
  transition: background-color 0.45s var(--ease);
}
.eco__card:hover { background: var(--raise); }
.eco__name { font-size: clamp(1.5rem, 2.4vw, 2rem); }
.eco__text { font-size: 0.9375rem; color: var(--mute); line-height: 1.6; }
.eco__card .link-arrow { margin-top: 0.6rem; }

/* -------------------------------------------------------------------- CTA */

.final {
  position: relative;
  padding-block: clamp(6rem, 14vw, 10rem) clamp(5rem, 9vw, 7rem);
  text-align: center;
  overflow: hidden;
  isolation: isolate;
}
.final::before {
  content: '';
  position: absolute;
  left: 50%;
  bottom: -55%;
  translate: -50% 0;
  width: min(120vw, 1400px);
  aspect-ratio: 2 / 1;
  background: radial-gradient(ellipse at center, rgb(203 225 242 / 0.12), transparent 62%);
  z-index: -1;
}
.final__inner { display: grid; justify-items: center; gap: 1.5rem; }
.final .eyebrow { justify-content: center; }
.final h2 { max-width: 16ch; }
.final .lede { text-align: center; max-width: 44ch; }
.final .btn { margin-top: 0.75rem; }
.final__note {
  font-size: 0.6875rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--faint);
}

/* ------------------------------------------------------------------- pied */

.foot {
  border-top: 1px solid var(--hair);
  padding-block: clamp(3rem, 7vw, 5rem) 2rem;
}
.foot__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
}
.foot__brand img { width: 110px; opacity: 0.9; }
.foot__brand p {
  margin-top: 1.25rem;
  max-width: 34ch;
  font-size: 0.875rem;
  color: var(--faint);
  line-height: 1.65;
}
.foot__title {
  font-size: 0.625rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--faint);
  margin-bottom: 1.1rem;
}
.foot__col ul { display: grid; gap: 0.7rem; }
.foot__col a {
  font-size: 0.9375rem;
  color: var(--mute);
  transition: color 0.3s var(--ease);
}
.foot__col a:hover { color: var(--porcelain); }
.foot__langs { display: flex; gap: 1rem; }
.foot__langs [aria-current] { color: var(--porcelain); }

.foot__bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  margin-top: clamp(3rem, 7vw, 5rem);
  padding-top: 1.75rem;
  border-top: 1px solid var(--hair);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--faint);
}
.foot__bottom p { display: flex; align-items: center; gap: 0.6em; }

/* -------------------------------------------------------------- révélation */

/* Rien n'est masqué sans JavaScript : la règle est portée par html.js. */
.js .reveal {
  opacity: 0;
  transform: translateY(1.5rem);
  transition: opacity var(--slow) var(--ease), transform var(--slow) var(--ease);
  transition-delay: calc(var(--d, 0) * 90ms);
}
.js .reveal.is-in { opacity: 1; transform: none; }

/* --------------------------------------------------------------- adaptatif */

@media (max-width: 1080px) {
  .intro__head h2, .eco__head h2 { grid-column: 1 / 8; }
  .eco__head .lede { grid-column: 1 / 10; }
  .intro__text { grid-column: 1 / 10; }
  .tech__text { grid-column: 1 / 6; }
  .tech__figure { grid-column: 6 / -1; }
  .comfort__text { grid-column: 1 / 7; }
  .comfort__figure { grid-column: 7 / -1; }
}

@media (max-width: 1024px) {
  .tech__annotations { display: none; }
}

@media (max-width: 860px) {
  .head__nav {
    position: fixed;
    inset: 0 0 auto;
    flex-direction: column;
    align-items: flex-start;
    gap: 2rem;
    margin: 0;
    padding: 6rem var(--pad) 3rem;
    background: rgb(6 6 8 / 0.97);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--hair);
    transform: translateY(-102%);
    visibility: hidden;
    transition: transform 0.5s var(--ease), visibility 0.5s;
  }
  .head__nav.is-open { transform: none; visibility: visible; }
  .head__brand { position: relative; z-index: 2; }
  .head__list { flex-direction: column; gap: 1.4rem; }
  .head__langs { font-size: 0.875rem; letter-spacing: 0.16em; }
  .head__langs a { color: var(--mute); }
  .head__list a { font-size: 1rem; letter-spacing: 0.1em; color: var(--porcelain); }
  .head__cta { width: 100%; }

  .head__burger {
    display: grid;
    align-content: center;
    gap: 6px;
    width: 2.75rem;
    height: 2.75rem;
    margin-left: auto;
    justify-items: end;
    z-index: 2;
  }
  .head__burger span {
    display: block;
    width: 22px;
    height: 1px;
    background: var(--porcelain);
    transition: transform 0.4s var(--ease), opacity 0.3s var(--ease);
  }
  .head__burger[aria-expanded='true'] span:first-child { transform: translateY(3.5px) rotate(45deg); }
  .head__burger[aria-expanded='true'] span:last-child { transform: translateY(-3.5px) rotate(-45deg); }

  .hero__signature { display: none; }
  .hero__scrim { background: linear-gradient(to top, var(--void) 4%, rgb(6 6 8 / 0.86) 34%, rgb(6 6 8 / 0.34) 70%, rgb(6 6 8 / 0.6) 100%); }

  .facts__list { grid-template-columns: repeat(2, 1fr); }
  .intro__media { aspect-ratio: 4 / 3; }

  .intro__head h2, .intro__text,
  .eco__head h2, .eco__head .lede { grid-column: 1 / -1; }
  .comfort__grid, .tech__grid { grid-template-columns: 1fr; }
  .comfort__text, .comfort__figure, .tech__text, .tech__figure { grid-column: 1 / -1; }
  .comfort__figure { order: -1; }

  .tech__annotations { display: none; }
  .specs { grid-template-columns: repeat(2, 1fr); }
  .eco__list { grid-template-columns: 1fr; }

  .foot__grid { grid-template-columns: 1fr 1fr; }
  .foot__brand { grid-column: 1 / -1; }
}

@media (max-width: 520px) {
  .specs { grid-template-columns: 1fr; }
  .hero__actions .btn--solid { width: 100%; }
  /* Sur mobile on laisse la phrase se répartir seule : la coupure prévue
     pour le desktop y laisserait un « lit. » orphelin. */
  .hero__title { font-size: 2rem; max-width: none; }
  .hero__title br { display: none; }
  .band { min-height: 70vh; }
}

/* ------------------------------------------------------------ préférences */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .js .reveal { opacity: 1; transform: none; }
  .hero__video { display: none; }
}

@media print {
  .head, .grain, .hero__scroll, .film__play { display: none; }
  body { background: #fff; color: #000; }
}