/* ============================================================================
   PANZER BIKE — page Velduro — css/site.css
   Charte reprise du configurateur : fond sombre, bronze #9D7767,
   Oswald pour les titres, Inter pour le texte, rayons 2 / 4 px.
   ============================================================================ */

/* ---------- Polices auto-hébergées (Oswald + Inter, licence OFL, latin) ---------- */
@font-face { font-family: 'Oswald'; font-style: normal; font-weight: 400; font-display: swap; src: url("../assets/fonts/oswald-latin-400-normal.woff2") format("woff2"); }
@font-face { font-family: 'Oswald'; font-style: normal; font-weight: 500; font-display: swap; src: url("../assets/fonts/oswald-latin-500-normal.woff2") format("woff2"); }
@font-face { font-family: 'Oswald'; font-style: normal; font-weight: 600; font-display: swap; src: url("../assets/fonts/oswald-latin-600-normal.woff2") format("woff2"); }
@font-face { font-family: 'Inter'; font-style: normal; font-weight: 400; font-display: swap; src: url("../assets/fonts/inter-latin-400-normal.woff2") format("woff2"); }
@font-face { font-family: 'Inter'; font-style: normal; font-weight: 500; font-display: swap; src: url("../assets/fonts/inter-latin-500-normal.woff2") format("woff2"); }
@font-face { font-family: 'Inter'; font-style: normal; font-weight: 600; font-display: swap; src: url("../assets/fonts/inter-latin-600-normal.woff2") format("woff2"); }

:root {
  --bg:            #0e0e0e;
  --bg-deep:       #0a0a0a;
  --bg-surface:    #1a1a1a;
  --bg-elevated:   #232323;
  --border:        #3a3a3a;
  --border-soft:   #262626;
  --border-bronze: #6e5347;

  --bronze:        #9d7767;
  --bronze-light:  #c89c8d;
  --bronze-dim:    #856450;

  --text:          #f5f5f5;
  --text-2:        #c8c8c8;
  --text-muted:    #8a8a8a;

  --font-display: 'Oswald', 'Arial Narrow', 'Helvetica Neue', Arial, sans-serif;
  --font-body:    'Inter', 'Helvetica Neue', Helvetica, Arial, system-ui, sans-serif;

  --radius-sm: 2px;
  --radius-md: 4px;
  --t-fast: 150ms ease;
  --t-med:  280ms ease;

  --container: 1280px;
  --gutter: clamp(20px, 4vw, 48px);
  --section-y: clamp(64px, 9vw, 120px);
  --hero-gap: clamp(24px, 4vw, 64px);
  /* Débord du vélo au-delà du conteneur, plafonné (sinon énorme sur 2560 px). */
  --hero-bleed: min(160px, max(0px, calc((100vw - var(--container)) / 2)));
  --header-h: 64px;
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; background: var(--bg); }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  font-family: var(--font-body); font-size: 16px; line-height: 1.6; color: var(--text); background: var(--bg);
  -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; overflow-x: clip;
}
img, svg { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; color: inherit; }
button { background: none; border: 0; cursor: pointer; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
address { font-style: normal; }
strong { font-weight: 600; }
.num { font-variant-numeric: tabular-nums lining-nums; font-feature-settings: "tnum" 1, "lnum" 1; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
:focus-visible { outline: 2px solid var(--bronze-light); outline-offset: 3px; }
::selection { background: var(--bronze-dim); color: var(--text); }

.skip { position: absolute; left: 16px; top: -60px; z-index: 200; padding: 10px 14px; background: var(--bronze); color: var(--bg-deep); font-weight: 600; border-radius: var(--radius-sm); }
.skip:focus { top: 12px; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding-left: var(--gutter); padding-right: var(--gutter); }
.bleed { width: 100vw; margin-left: calc(50% - 50vw); }

/* ---------- Typographie ---------- */
h1, h2, h3 { font-family: var(--font-display); font-weight: 500; line-height: 1.05; letter-spacing: 0.005em; text-wrap: balance; }
.section__title { font-size: clamp(2rem, 4.4vw, 3.4rem); max-width: 18ch; }
.eyebrow {
  font-family: var(--font-display); font-weight: 400; font-size: 0.8rem; letter-spacing: 0.28em; text-transform: uppercase;
  color: var(--bronze-light); margin-bottom: 18px; display: flex; align-items: center; gap: 14px;
}
.eyebrow .num { color: var(--bronze); }
.eyebrow::after { content: ""; width: 40px; height: 1px; background: var(--border-bronze); }
.lead { font-size: clamp(1.1rem, 1.6vw, 1.3rem); line-height: 1.45; color: var(--text); font-weight: 500; }
p + p { margin-top: 1em; }
.section__intro { margin-top: 20px; max-width: 60ch; color: var(--text-2); }

/* ---------- Boutons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  font-family: var(--font-display); font-weight: 500; font-size: 0.9rem; letter-spacing: 0.18em; text-transform: uppercase;
  padding: 14px 26px; border-radius: var(--radius-sm); border: 1px solid transparent; white-space: nowrap;
  transition: background-color var(--t-fast), border-color var(--t-fast), color var(--t-fast);
}
.btn--primary { background: var(--bronze); color: var(--bg-deep); border-color: var(--bronze); }
.btn--primary:hover { background: var(--bronze-light); border-color: var(--bronze-light); }
.btn--ghost { border-color: var(--border); color: var(--text); }
.btn--ghost:hover { border-color: var(--bronze); color: var(--bronze-light); }
.btn--small { padding: 10px 18px; font-size: 0.78rem; }
.btn--large { padding: 18px 34px; font-size: 1rem; }

/* ============================================================================
   EN-TÊTE — logo seul
   ============================================================================ */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100; height: var(--header-h);
  border-bottom: 1px solid transparent;
  transition: background-color var(--t-med), border-color var(--t-med);
}
.site-header.is-scrolled { background: rgba(14, 14, 14, 0.94); border-bottom-color: var(--border-soft); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); }
.site-header__inner { max-width: var(--container); margin: 0 auto; padding: 0 var(--gutter); height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.wordmark { font-family: var(--font-display); font-weight: 600; font-size: 1.35rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text); line-height: 1; display: inline-flex; align-items: baseline; gap: 0.35em; }
.wordmark__sub { font-weight: 400; color: var(--bronze-light); letter-spacing: 0.2em; }
.wordmark--footer { font-size: 1.5rem; margin-bottom: 14px; }
.site-header__tag { font-family: var(--font-display); font-size: 0.7rem; letter-spacing: 0.26em; text-transform: uppercase; color: var(--text-muted); margin-left: auto; }
/* Sélecteur de langue — repris du configurateur (.lang-switcher) */
.lang-switcher { display: inline-flex; flex-shrink: 0; gap: 2px; padding: 4px; background: var(--bg-elevated); border: 1px solid var(--border); border-radius: 999px; }
.lang-switcher__btn { padding: 0.35rem 0.7rem; background: transparent; border: none; border-radius: 999px; color: var(--text-muted); font-family: var(--font-display); font-size: 0.75rem; font-weight: 600; letter-spacing: 0.15em; line-height: 1.2; cursor: pointer; transition: color var(--t-fast), background-color var(--t-fast); }
.lang-switcher__btn:hover { color: var(--bronze-light); }
.lang-switcher__btn:focus-visible { outline: 2px solid var(--bronze-light); outline-offset: 2px; }
.lang-switcher__btn.is-active { background: linear-gradient(135deg, var(--bronze) 0%, var(--bronze-dim) 100%); color: var(--bg-deep); }
@media (min-width: 768px) { .lang-switcher__btn { font-size: 0.8rem; padding: 0.4rem 0.9rem; } }

/* ============================================================================
   1 · HERO — LE MONTAGE AU SCROLL
   ============================================================================ */
.hero { position: relative; }
.hero__track { height: 640vh; }                 /* réglé par le JS : étapes × 80vh */
.hero__sticky {
  position: sticky; top: 0; height: 100vh; height: 100dvh;
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(300px, 0.85fr);
  grid-template-rows: 1fr auto;
  align-items: center;
  padding: calc(var(--header-h) + 8px) var(--gutter) 40px;
  gap: 0 var(--hero-gap);
  max-width: var(--container); margin: 0 auto;
  background:
    radial-gradient(ellipse 60% 55% at 38% 52%, rgba(157, 119, 103, 0.06) 0%, transparent 70%),
    radial-gradient(ellipse 70% 70% at 40% 50%, #171717 0%, var(--bg) 75%);
}
.hero__brand { position: absolute; top: calc(var(--header-h) + 14px); left: var(--gutter); display: flex; align-items: center; gap: 12px; opacity: 0.85; }
.hero__brand img { width: 62px; height: auto; }
.hero__brand span { font-family: var(--font-display); font-size: 0.7rem; letter-spacing: 0.26em; text-transform: uppercase; color: var(--text-muted); }

/* Scène : le vélo déborde de la gouttière gauche et sur écran large du conteneur. */
.hero__stage {
  grid-column: 1; grid-row: 1; position: relative;
  margin-left: calc(16px - var(--gutter) - var(--hero-bleed));
  margin-right: calc(var(--hero-gap) / -2);
  display: flex; align-items: center; justify-content: center;
}
.bike { position: relative; width: 100%; max-width: none; aspect-ratio: 4 / 3; max-height: 82vh; max-height: 82dvh; }
.bike__layer, .bike__static {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: contain; object-position: center;
  pointer-events: none; user-select: none; -webkit-user-drag: none;
}
.bike__layer {
  opacity: 0;
  transform: translate3d(var(--dx, 0px), var(--dy, 0px), 0);
  transition: opacity 300ms ease-out, transform 300ms ease-out;   /* = LAYER_TRANSITION_MS du JS */
  will-change: opacity, transform;
}
.bike__layer.is-on { opacity: 1; transform: translate3d(0, 0, 0); }

/* Repères techniques. Le SVG partage le canevas 1500 × 1125 et le cadrage
   (contain, centré) des calques : les coordonnées sont celles des images.
   Ils n'apparaissent qu'une fois la pièce posée (délai ≥ cascade + 300 ms). */
.bike__callouts { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; pointer-events: none; z-index: 120; }
.callout__line { fill: none; stroke: var(--bronze); stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round;
  stroke-dasharray: 1; stroke-dashoffset: 1; transition: stroke-dashoffset 420ms cubic-bezier(.3,.7,.3,1); }
.callout__dot { fill: var(--bronze-light); opacity: 0; transition: opacity 200ms ease; }
.callout__ring { fill: none; stroke: var(--bronze-light); stroke-width: 1.5; opacity: 0;
  transform-box: fill-box; transform-origin: center; transform: scale(.3);
  transition: opacity 400ms ease, transform 520ms cubic-bezier(.2,.8,.2,1); }
.callout__label { font-family: var(--font-display); font-weight: 400; font-size: 20px; letter-spacing: 2.2px;
  fill: var(--bronze-light); opacity: 0; transition: opacity 260ms ease; }
.callout-step.is-on .callout { --d: calc(var(--base, 380ms) + var(--k, 0) * 160ms); }   /* --base : posé par le JS = fin d'arrivée des pièces de l'étape */
.callout-step.is-on .callout__dot   { opacity: 1; transition-delay: var(--d); }
.callout-step.is-on .callout__ring  { opacity: .6; transform: scale(1); transition-delay: var(--d); }
.callout-step.is-on .callout__line  { stroke-dashoffset: 0; transition-delay: calc(var(--d) + 120ms); }
.callout-step.is-on .callout__label { opacity: 1; transition-delay: calc(var(--d) + 420ms); }
.callout-step:not(.is-on) .callout__line,
.callout-step:not(.is-on) .callout__dot,
.callout-step:not(.is-on) .callout__ring,
.callout-step:not(.is-on) .callout__label { transition-duration: 140ms; transition-delay: 0ms; }

/* Balayage d'ouverture : le cadre se révèle de haut en bas, une fois. */
.hero .bike__layer[data-step="0"] { clip-path: inset(0 0 100% 0); }
.hero.is-ready .bike__layer[data-step="0"],
.hero.is-static .bike__layer[data-step="0"] {
  clip-path: inset(0 0 0 0);
  transition: opacity 300ms ease-out, transform 300ms ease-out, clip-path 1150ms cubic-bezier(.16,.84,.32,1);
}
.hero__scan {
  position: absolute; inset: 0; z-index: 110; pointer-events: none; opacity: 0; transform: translateY(-52%);
  background: linear-gradient(180deg, transparent calc(50% - 1px), var(--bronze-light) calc(50% - 1px), var(--bronze-light) calc(50% + 1px), transparent calc(50% + 1px));
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 14%, #000 86%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 14%, #000 86%, transparent);
}
.hero.is-ready .hero__scan { animation: hero-scan 1150ms cubic-bezier(.16,.84,.32,1) forwards; }
@keyframes hero-scan {
  0%   { opacity: 0; transform: translateY(-52%); }
  10%  { opacity: 1; }
  84%  { opacity: 1; }
  100% { opacity: 0; transform: translateY(52%); }
}

.hero__loading {
  position: absolute; left: 50%; bottom: -6px; transform: translateX(-50%);
  font-family: var(--font-display); font-size: 0.72rem; letter-spacing: 0.26em; text-transform: uppercase; color: var(--text-muted);
  white-space: nowrap; transition: opacity var(--t-med);
}
.hero__loading::before { content: ""; display: inline-block; width: 22px; height: 1px; background: var(--bronze); vertical-align: middle; margin-right: 10px; }
.hero.is-ready .hero__loading, .hero.is-static .hero__loading { opacity: 0; }

/* Titre d'intro : occupe la colonne de droite à l'étape 1, à la place du panneau */
.hero__intro {
  grid-column: 2; grid-row: 1; align-self: center; z-index: 5;
  opacity: 0; transform: translateY(6px); transition: opacity 300ms ease, transform 300ms ease; pointer-events: none;
}
.hero.is-intro .hero__intro { opacity: 1; transform: none; pointer-events: auto; }
.hero.is-intro .hero-panel { opacity: 0; pointer-events: none; }
.hero.is-intro .hero__hint { opacity: 1; }
.hero__title { font-size: clamp(2.2rem, 3.6vw, 3.4rem); font-weight: 500; line-height: 1.02; letter-spacing: -0.005em; }
.hero__title em { font-style: normal; color: var(--bronze-light); }
.hero__line { margin-top: 20px; color: var(--text-2); max-width: 38ch; font-size: 1.02rem; }
.hero__hint { position: absolute; left: var(--gutter); bottom: 52px; z-index: 5; opacity: 0; transition: opacity 300ms ease; font-family: var(--font-display); font-size: 0.72rem; letter-spacing: 0.26em; text-transform: uppercase; color: var(--text-muted); display: flex; align-items: center; gap: 12px; }
.hero__hint-line { width: 34px; height: 1px; background: var(--bronze); }

/* Panneau d'étape */
.hero-panel { grid-column: 2; grid-row: 1; align-self: center; min-width: 0; transition: opacity 300ms ease; }
.hero-panel__inner { transition: opacity 170ms ease, transform 170ms ease; }
.hero-panel__inner.is-swapping { opacity: 0; transform: translateY(-8px); }
.hero-panel__step { font-family: var(--font-display); display: flex; align-items: baseline; gap: 6px; margin-bottom: 8px; }
.hero-panel__num { font-size: clamp(2.6rem, 4vw, 3.6rem); font-weight: 500; color: var(--bronze); line-height: 1; }
.hero-panel__of { font-size: 1rem; color: var(--text-muted); letter-spacing: 0.08em; }
.hero-panel__title { font-size: clamp(1.6rem, 2.4vw, 2.2rem); font-weight: 500; padding-bottom: 16px; border-bottom: 1px solid var(--border); margin-bottom: 8px; }
.hero-part { display: grid; grid-template-columns: 1fr auto; gap: 2px 16px; padding: 13px 0; border-bottom: 1px solid var(--border-soft); }
.hero-part__section { grid-column: 1 / -1; font-family: var(--font-display); font-size: 0.7rem; letter-spacing: 0.24em; text-transform: uppercase; color: var(--text-muted); }
.hero-part__name { font-weight: 600; font-size: 1.02rem; line-height: 1.3; }
.hero-part__color { font-weight: 400; color: var(--text-2); }
.hero-part__price { grid-column: 2; grid-row: 2 / span 2; align-self: start; font-family: var(--font-display); font-size: 1.05rem; color: var(--bronze-light); letter-spacing: 0.04em; padding-top: 2px; }
.hero-part__desc { grid-column: 1; font-size: 0.86rem; color: var(--text-2); line-height: 1.45; }
.hero-panel--dense .hero-part { padding: 9px 0; }
.hero-panel--dense .hero-part__desc { display: none; }
.hero-panel__lead { font-family: var(--font-display); font-size: 0.78rem; letter-spacing: 0.24em; text-transform: uppercase; color: var(--text-muted); margin: 6px 0 22px; }
.hero-panel__total { display: flex; flex-direction: column; gap: 4px; margin-bottom: 18px; }
.hero-panel__total-label { font-size: 0.86rem; color: var(--text-2); }
.hero-panel__total strong { font-family: var(--font-display); font-size: clamp(2.2rem, 3.4vw, 3.2rem); font-weight: 500; color: var(--bronze-light); line-height: 1; }
.hero-panel__note { font-size: 0.9rem; color: var(--text-2); margin-bottom: 26px; }

/* Barre de progression */
.hero-progress { grid-column: 1 / -1; grid-row: 2; display: grid; grid-template-columns: repeat(8, 1fr); gap: 6px; margin-top: 18px; }
.hero-progress__seg { height: 1px; background: var(--border); transition: background-color var(--t-med); }
.hero-progress__seg.is-on { background: var(--bronze); }

/* Liste statique des étapes (sans JS / mouvement réduit) */
.hero-static { display: none; }
.hero-static li { display: grid; grid-template-columns: 3.5rem 1fr; gap: 6px 16px; padding: 18px 0; border-bottom: 1px solid var(--border-soft); align-items: baseline; }
.hero-static li > .num { font-family: var(--font-display); font-size: 1.6rem; color: var(--bronze); line-height: 1; }
.hero-static li > strong { font-family: var(--font-display); font-size: 1.3rem; font-weight: 500; }
.hero-static__parts { grid-column: 2; }
.hero-static__parts .hero-part:last-child { border-bottom: 0; }

.no-js .hero__track { height: auto; }
.no-js .hero__sticky { position: relative; height: auto; min-height: 0; grid-template-columns: 1fr; padding-top: calc(var(--header-h) + 90px); }
.no-js .hero__intro { opacity: 1; transform: none; margin-bottom: 32px; grid-column: 1; grid-row: 1; }
.no-js .hero__stage { grid-column: 1; grid-row: 2; }
.no-js .hero-panel, .no-js .hero-progress, .no-js .hero__loading, .no-js .hero__hint { display: none; }
.no-js .hero-static { display: block; max-width: var(--container); margin: 32px auto 0; padding: 0 var(--gutter); }
.hero.is-static .hero__track { height: auto !important; }
.hero.is-static .hero__sticky { position: relative; height: auto; grid-template-columns: 1fr; padding-top: calc(var(--header-h) + 90px); }
.hero.is-static .hero__intro { opacity: 1; transform: none; margin-bottom: 32px; grid-column: 1; grid-row: 1; pointer-events: auto; }
.hero.is-static .hero__stage { grid-column: 1; grid-row: 2; }
.hero.is-static .hero-panel { grid-column: 1; grid-row: 3; margin-top: 32px; }
.hero.is-static .hero-progress, .hero.is-static .hero__hint, .hero.is-static .bike__callouts { display: none; }
.hero.is-static .hero-static { display: block; max-width: var(--container); margin: 32px auto 0; padding: 0 var(--gutter); }
.hero.is-static .bike__layer { opacity: 1; transform: none; transition: none; }
.hero.is-static .bike, .no-js .bike { width: 100%; max-width: 860px; margin: 0 auto; }
.hero.is-static .hero__stage, .no-js .hero__stage { margin-left: 0; margin-right: 0; }

/* ============================================================================
   SECTIONS
   ============================================================================ */
.section { padding: var(--section-y) 0; }
.section--alt { background: var(--bg-deep); }
.section__head { margin-bottom: clamp(36px, 5vw, 64px); }
.section__head--compact { margin-bottom: clamp(28px, 4vw, 48px); }
.js [data-reveal] { opacity: 0; transition: opacity 240ms ease; }
.js [data-reveal].is-in { opacity: 1; }

/* ---------- 2 · En clair ---------- */
.statement { padding-top: clamp(64px, 9vw, 140px); }
.statement__grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(40px, 6vw, 96px); align-items: start; }
.statement__figure {
  font-family: var(--font-display); font-weight: 500; letter-spacing: -0.015em; line-height: 0.86;
  font-size: clamp(3.2rem, 8.5vw, 7.5rem); color: var(--bronze-light); margin: 2px 0 clamp(18px, 2.4vw, 28px);
}
.statement__line { font-size: clamp(1.02rem, 1.4vw, 1.2rem); line-height: 1.45; max-width: 44ch; color: var(--text); text-wrap: pretty; }
.statement__facts { margin-top: clamp(32px, 4vw, 48px); display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--border); }
.statement__facts div { padding: 16px 20px 16px 0; border-bottom: 1px solid var(--border-soft); }
.statement__facts dt { font-family: var(--font-display); font-size: 0.7rem; letter-spacing: 0.22em; text-transform: uppercase; color: var(--text-muted); margin-bottom: 6px; }
.statement__facts dd { font-size: 0.98rem; color: var(--text); }

.statement__who { padding-top: clamp(4px, 3vw, 46px); }
.statement__who-title { font-size: clamp(1.7rem, 3vw, 2.5rem); margin-bottom: clamp(20px, 3vw, 32px); }
.who { border-top: 1px solid var(--border); }
.who__item { padding: 24px 0; border-bottom: 1px solid var(--border-soft); }
.who__item p:not(.who__name) { color: var(--text-2); font-size: 0.97rem; }
.who__item--us p:not(.who__name) { color: var(--text); }
.who__name { display: flex; align-items: center; gap: 14px; margin-bottom: 12px; font-family: var(--font-display); font-size: 0.78rem; letter-spacing: 0.24em; text-transform: uppercase; color: var(--text-muted); }
.who__name img { width: 92px; height: auto; opacity: .95; }
.who__mark { font-size: 1.15rem; letter-spacing: 0.12em; color: var(--text); font-weight: 600; }
.statement__who .btn { margin-top: 28px; }

/* ---------- 3 · Le cadre : vidéos + chiffres ---------- */
.videos { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--border-soft); border-top: 1px solid var(--border-soft); border-bottom: 1px solid var(--border-soft); }
.video { background: var(--bg); margin: 0; }
.video__frame { position: relative; aspect-ratio: 16 / 9; background: var(--bg-surface) center / cover no-repeat; overflow: hidden; }
.video__frame iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.video__frame::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(14,14,14,.15), rgba(14,14,14,.35)); pointer-events: none; transition: opacity 600ms ease; }
.video.is-playing .video__frame::after { opacity: 0; }
.video__play { position: absolute; inset: 0; width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; z-index: 2; transition: opacity 400ms ease; }
.video__play span { width: 64px; height: 64px; border-radius: 50%; border: 1px solid var(--bronze-light); display: grid; place-items: center; background: rgba(14,14,14,.55); }
.video__play span::after { content: ""; width: 0; height: 0; border-left: 16px solid var(--bronze-light); border-top: 10px solid transparent; border-bottom: 10px solid transparent; margin-left: 4px; }
.video.is-playing .video__play, .video.is-mounted .video__play { opacity: 0; pointer-events: none; }
.video.is-mounted .video__frame::after { opacity: 0; }
.video__yt { color: var(--bronze-light); border-bottom: 1px solid var(--border-bronze); white-space: nowrap; margin-left: 4px; }
.video__note { position: absolute; left: 12px; bottom: 10px; z-index: 3; font-size: 0.75rem; color: var(--text-2); background: rgba(10,10,10,.75); padding: 4px 8px; border-radius: var(--radius-sm); }
.video figcaption { padding: 18px clamp(18px, 2.4vw, 32px) 24px; display: grid; grid-template-columns: auto 1fr; gap: 4px 14px; align-items: baseline; }
.video__index { font-family: var(--font-display); font-size: 0.72rem; letter-spacing: 0.22em; color: var(--bronze); }
.video figcaption strong { font-family: var(--font-display); font-weight: 500; font-size: 1.15rem; }
.video figcaption > span:last-child { grid-column: 2; font-size: 0.86rem; color: var(--text-2); line-height: 1.45; }

.figures { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: clamp(40px, 5vw, 64px); border-top: 1px solid var(--border); }
.figures li { padding: 26px 24px 26px 0; border-right: 1px solid var(--border-soft); }
.figures li:last-child { border-right: 0; }
.figures li + li { padding-left: 24px; }
.figures__value { display: block; font-family: var(--font-display); font-weight: 500; font-size: clamp(2.4rem, 4.2vw, 3.6rem); line-height: 1; color: var(--text); }
.figures__value small { font-size: 0.42em; color: var(--bronze); margin-left: 4px; letter-spacing: 0.04em; }
.figures__label { display: block; margin-top: 10px; font-size: 0.86rem; color: var(--text-muted); max-width: 24ch; }

/* ---------- Géométrie complète ---------- */
.geo { margin-top: clamp(48px, 6vw, 80px); padding-top: clamp(32px, 4vw, 48px); border-top: 1px solid var(--border); }
.geo__head { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 8px 32px; align-items: end; margin-bottom: clamp(24px, 3vw, 36px); }
.geo__title { font-size: clamp(1.7rem, 3vw, 2.4rem); }
.geo__intro { grid-column: 1; color: var(--text-2); font-size: 0.95rem; max-width: 56ch; }
.geo__sizes { grid-column: 2; grid-row: 1 / span 2; display: inline-flex; border: 1px solid var(--border); border-radius: var(--radius-sm); }
.geo__sizes button { font-family: var(--font-display); font-size: 0.95rem; letter-spacing: 0.14em; min-width: 54px; padding: 11px 14px; color: var(--text-2); transition: background-color var(--t-fast), color var(--t-fast); }
.geo__sizes button + button { border-left: 1px solid var(--border); }
.geo__sizes button:hover { color: var(--text); }
.geo__sizes button.is-on { background: var(--bronze); color: var(--bg-deep); }

.geo__grid { display: grid; grid-template-columns: 1fr; gap: clamp(28px, 4vw, 48px); }
.geo__figure { margin: 0 auto; width: 100%; max-width: 1040px; }
.geo__svg { width: 100%; height: auto; overflow: visible; }
.geo__figure figcaption { margin-top: 14px; text-align: center; font-size: 0.8rem; color: var(--text-muted); }
.g-ground { stroke: var(--border); stroke-width: 1; vector-effect: non-scaling-stroke; }
.g-wheel { fill: none; stroke: #4a4a4a; stroke-width: 1.2; vector-effect: non-scaling-stroke; }
.g-hub { fill: var(--text-2); }
.g-motor { fill: var(--bg-surface); stroke: #5a5a5a; stroke-width: 1.2; vector-effect: non-scaling-stroke; }
.g-frame { fill: none; stroke: var(--text-2); stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; vector-effect: non-scaling-stroke; }
.g-frame--ht { stroke-width: 4; }
.g-dash { stroke: var(--bronze-dim); stroke-width: 1; stroke-dasharray: 4 5; vector-effect: non-scaling-stroke; }
.g-dim, .g-tick, .g-arc { fill: none; stroke: var(--bronze-light); stroke-width: 1.2; vector-effect: non-scaling-stroke; }
.g-mark circle { fill: var(--bg-deep); stroke: var(--bronze); stroke-width: 1.2; vector-effect: non-scaling-stroke; transition: fill var(--t-fast); }
.g-mark__l { font-family: var(--font-display); font-size: 36px; fill: var(--bronze-light); text-anchor: middle; }
.g-mark__v { font-family: var(--font-display); font-size: 40px; letter-spacing: 1px; fill: var(--text); }
.g-mark.is-hot circle { fill: var(--bronze); }
.g-mark.is-hot .g-mark__l { fill: var(--bg-deep); }
.section--alt .g-mark circle { fill: var(--bg-deep); }

.geo__table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.geo__table { width: 100%; border-collapse: collapse; font-size: 0.95rem; }
.geo__table col.geo__col-size { width: 13%; }
.geo__table thead th { font-family: var(--font-display); font-weight: 500; font-size: 1rem; letter-spacing: 0.14em; color: var(--text-muted); text-align: right; padding: 0 14px 12px; border-bottom: 1px solid var(--border); }
.geo__table thead th:first-child { text-align: left; padding-left: 0; }
.geo__table tbody th { text-align: left; font-weight: 400; color: var(--text-2); padding: 11px 12px 11px 0; white-space: nowrap; }
.geo__table td { text-align: right; padding: 11px 18px; color: var(--text); white-space: nowrap; transition: background-color var(--t-fast), color var(--t-fast); }
.geo__table tbody tr { border-bottom: 1px solid var(--border-soft); }
.geo__table tbody tr:hover th, .geo__table tbody tr.is-hot th { color: var(--text); }
.geo__table tbody tr:hover, .geo__table tbody tr.is-hot { background: rgba(157, 119, 103, 0.06); }
.geo__table [data-size].is-on { color: var(--bronze-light); font-weight: 600; background: rgba(157, 119, 103, 0.1); }
.geo__table thead [data-size].is-on { color: var(--bronze-light); box-shadow: inset 0 -2px 0 var(--bronze); background: none; }
.geo__letter { display: inline-grid; place-items: center; width: 22px; height: 22px; margin-right: 12px; border: 1px solid var(--border-bronze); border-radius: 50%; font-family: var(--font-display); font-size: 0.72rem; color: var(--bronze-light); vertical-align: 1px; }
.geo__unit { color: var(--text-muted); font-size: 0.78rem; margin-left: 2px; }
.geo__rider th { padding-left: 34px !important; }
.geo__rider td, .geo__rider th { color: var(--text-muted); font-size: 0.86rem; }

.modes { margin-top: clamp(32px, 4vw, 48px); }
.modes__head { font-family: var(--font-display); font-size: 1.1rem; letter-spacing: 0.02em; display: flex; flex-wrap: wrap; gap: 4px 14px; align-items: baseline; margin-bottom: 14px; }
.modes__head span { font-family: var(--font-body); font-size: 0.82rem; color: var(--text-muted); }
.modes__list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--border-soft); border: 1px solid var(--border-soft); }
.modes__list li { background: var(--bg-deep); padding: 18px 22px; display: flex; flex-direction: column; gap: 4px; }
.modes__list strong { font-family: var(--font-display); font-weight: 500; font-size: 0.78rem; letter-spacing: 0.22em; text-transform: uppercase; color: var(--bronze-light); }
.modes__list span { font-family: var(--font-display); font-size: 1.7rem; font-weight: 500; line-height: 1.1; }
.modes__list em { font-style: normal; font-size: 0.82rem; color: var(--text-muted); }
.modes__note { margin-top: 14px; font-size: 0.82rem; color: var(--text-muted); max-width: 80ch; }
.modes__note a { color: var(--bronze-light); border-bottom: 1px solid var(--border-bronze); }

/* ---------- 4 · Trois montages ---------- */
.builds { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--border); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.build { background: var(--bg); display: flex; flex-direction: column; transition: background-color var(--t-med); }
.build:hover { background: var(--bg-surface); }
.build__visual { background: radial-gradient(ellipse 70% 65% at 50% 50%, #191919 0%, var(--bg) 80%); padding: 6% 5% 3%; overflow: hidden; border-bottom: 1px solid var(--border-soft); }
.build__visual img { width: 100%; height: auto; transition: transform 520ms cubic-bezier(.2, .8, .2, 1); }
.build:hover .build__visual img { transform: scale(1.035); }
.build__body { padding: 26px clamp(22px, 3vw, 44px) 32px; display: flex; flex-direction: column; flex: 1; }
.build__index { font-family: var(--font-display); font-size: 0.72rem; letter-spacing: 0.22em; color: var(--bronze); }
.build__name { font-size: clamp(1.6rem, 2.2vw, 2rem); margin-top: 6px; }
.build__tagline { color: var(--text-2); margin: 8px 0 18px; font-size: 0.93rem; }
.build__parts { border-top: 1px solid var(--border); }
.build__parts li { display: grid; grid-template-columns: 7.5rem 1fr; gap: 0 12px; padding: 8px 0; border-bottom: 1px solid var(--border-soft); font-size: 0.88rem; align-items: baseline; }
.build__part-section { font-family: var(--font-display); font-size: 0.66rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--text-muted); }
.build__part-name { color: var(--text); }
.build__total { margin-top: auto; padding-top: 18px; display: flex; flex-direction: column; gap: 4px; }
.build__total span { font-size: 0.8rem; color: var(--text-muted); }
.build__total strong { font-family: var(--font-display); font-size: 1.9rem; font-weight: 500; color: var(--bronze-light); line-height: 1; }
.build .btn { margin-top: 20px; align-self: flex-start; }

.choice { margin-top: clamp(36px, 5vw, 56px); display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 16px 48px; align-items: center; }
.choice__line { font-family: var(--font-display); font-size: clamp(1.15rem, 1.9vw, 1.5rem); font-weight: 500; max-width: 30ch; }
.choice__brands { margin-top: 10px; font-size: 0.84rem; color: var(--text-muted); line-height: 1.7; max-width: 70ch; }

/* ---------- 5 · La presse ---------- */
.reviews { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--border-soft); border: 1px solid var(--border-soft); }
.review { background: var(--bg-deep); padding: clamp(22px, 2.6vw, 34px); display: flex; flex-direction: column; gap: 18px; }
.review--lead { grid-column: 1 / -1; background: var(--bg); }
.review blockquote { flex: 1; }
.review blockquote p { font-family: var(--font-display); font-weight: 400; font-size: clamp(1.1rem, 1.5vw, 1.35rem); line-height: 1.35; color: var(--text); text-wrap: pretty; }
.review--lead blockquote p { font-size: clamp(1.4rem, 2.6vw, 2.2rem); line-height: 1.25; max-width: 32ch; }
.review--rider blockquote p { color: var(--bronze-light); }
.review__src { display: grid; grid-template-columns: 1fr auto; gap: 2px 16px; align-items: baseline; padding-top: 14px; border-top: 1px solid var(--border-soft); font-size: 0.82rem; }
.review__src strong { font-family: var(--font-display); font-weight: 500; font-size: 0.95rem; letter-spacing: 0.04em; }
.review__src span { grid-column: 1; color: var(--text-muted); }
.review__src a { grid-column: 2; grid-row: 1 / span 2; align-self: center; font-family: var(--font-display); font-size: 0.72rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--bronze-light); border-bottom: 1px solid var(--border-bronze); padding-bottom: 2px; white-space: nowrap; }
.review__src a:hover { color: var(--text); border-bottom-color: var(--bronze-light); }

/* ---------- 6 · L'atelier + questions ---------- */
.atelier { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(32px, 5vw, 80px); align-items: start; }
.atelier__text p:not(.lead) { color: var(--text-2); }
.atelier__text .lead { margin-bottom: 18px; }
.atelier__photo { margin-top: 28px; border-radius: var(--radius-md); }
.method { margin-top: 28px; border-top: 1px solid var(--border); }
.method li { display: grid; grid-template-columns: 2.6rem 8.5rem 1fr; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--border-soft); align-items: baseline; font-size: 0.92rem; }
.method li > .num { font-family: var(--font-display); color: var(--bronze); font-size: 1.05rem; }
.method li > strong { font-family: var(--font-display); font-weight: 500; font-size: 1.05rem; }
.method li > span:last-child { color: var(--text-muted); }
.faq { border-top: 1px solid var(--border); }
.faq__head { font-family: var(--font-display); font-size: 0.78rem; letter-spacing: 0.24em; text-transform: uppercase; color: var(--text-muted); padding: 16px 0 4px; }
.faq__item { border-bottom: 1px solid var(--border-soft); }
.faq__item summary { cursor: pointer; list-style: none; padding: 18px 40px 18px 0; font-family: var(--font-display); font-size: clamp(1.05rem, 1.5vw, 1.25rem); font-weight: 500; position: relative; }
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary::after { content: "+"; position: absolute; right: 4px; top: 50%; transform: translateY(-50%); color: var(--bronze); font-size: 1.4rem; font-weight: 400; }
.faq__item[open] summary::after { content: "–"; }
.faq__body { padding: 0 0 20px; color: var(--text-2); max-width: 58ch; font-size: 0.95rem; }

/* ---------- 7 · Contact / CTA ---------- */
.cta__grid { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr); gap: clamp(32px, 5vw, 96px); align-items: center; }
.cta__actions { display: flex; flex-direction: column; gap: 12px; align-items: stretch; }
.cta__contact { margin-top: 14px; display: flex; flex-wrap: wrap; gap: 8px 28px; font-size: 0.95rem; color: var(--text-2); }
.cta__contact a { border-bottom: 1px solid var(--border); padding-bottom: 2px; }
.cta__contact a:hover { color: var(--bronze-light); border-bottom-color: var(--bronze); }

/* ============================================================================
   PIED DE PAGE
   ============================================================================ */
.site-footer { border-top: 1px solid var(--border); padding: 56px 0 32px; color: var(--text-2); font-size: 0.92rem; }
.site-footer__inner { display: grid; grid-template-columns: 1.2fr 0.8fr 1.2fr; gap: 40px; }
.site-footer__head { font-family: var(--font-display); font-size: 0.74rem; letter-spacing: 0.24em; text-transform: uppercase; color: var(--text-muted); margin-bottom: 14px; }
.site-footer li + li { margin-top: 8px; }
.site-footer a:hover { color: var(--bronze-light); }
.site-footer__legal { margin-top: 44px; padding-top: 24px; border-top: 1px solid var(--border-soft); display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; font-size: 0.8rem; color: var(--text-muted); }

/* ============================================================================
   RESPONSIVE
   ============================================================================ */
@media (max-width: 1100px) {
  .builds { grid-template-columns: 1fr; }
  .build { display: grid; grid-template-columns: 1fr 1fr; }
  .build__visual { border-bottom: 0; border-right: 1px solid var(--border-soft); display: flex; align-items: center; }
  .videos { grid-template-columns: 1fr; }
  .video { display: grid; grid-template-columns: 1.4fr 1fr; align-items: center; }
  .reviews { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 900px) {
  :root { --header-h: 56px; }
  .site-header__tag { display: none; }
  .hero__sticky { grid-template-columns: 1fr; grid-template-rows: auto 1fr auto; align-items: start; padding: calc(var(--header-h) + 42px) var(--gutter) 22px; gap: 12px 0; }
  .hero__brand { top: calc(var(--header-h) + 10px); }
  .hero__brand img { width: 48px; }
  .hero__stage { grid-column: 1; grid-row: 1; margin-left: 0; margin-right: 0; }
  .bike__layer { transform: translate3d(0, var(--dy, 0px), 0); }
  .bike__layer.is-on { transform: translate3d(0, 0, 0); }
  .bike { max-width: 100%; max-height: 34vh; max-height: 34dvh; aspect-ratio: 4 / 3; margin: 0 auto; }
  .bike__callouts { display: none; }       /* le vélo est trop petit pour les repères */
  .hero__loading { bottom: -14px; font-size: 0.64rem; }
  .hero-panel { grid-column: 1; grid-row: 2; align-self: start; padding-top: 10px; overflow: hidden; }
  .hero-panel__num { font-size: 2.2rem; }
  .hero-panel__title { font-size: 1.5rem; padding-bottom: 10px; }
  .hero-part { padding: 10px 0; }
  .hero-part__name { font-size: 0.95rem; }
  .hero-part__desc { font-size: 0.8rem; }
  .hero-progress { grid-row: 3; margin-top: 8px; }
  .hero__intro { grid-column: 1; grid-row: 2; align-self: start; padding-top: 10px; }
  .hero__title { font-size: clamp(2rem, 8.5vw, 3rem); }
  .hero__line { font-size: 0.95rem; }

  .statement__grid, .atelier, .cta__grid { grid-template-columns: 1fr; }
  .statement__who { padding-top: 0; }
  .figures { grid-template-columns: 1fr 1fr; }
  .figures li:nth-child(2) { border-right: 0; }
  .figures li:nth-child(n+3) { border-top: 1px solid var(--border-soft); }
  .figures li:nth-child(3) { padding-left: 0; }
  .g-mark circle { r: 54px; }
  .g-mark__l { font-size: 60px; transform: translateY(8px); }
  .g-mark__v { display: none; }
  .geo__head { grid-template-columns: 1fr; }
  .geo__sizes { grid-column: 1; grid-row: auto; justify-self: start; }
  .modes__list { grid-template-columns: 1fr; }
  .choice { grid-template-columns: 1fr; }
  .reviews { grid-template-columns: 1fr; }
  .site-footer__inner { grid-template-columns: 1fr; gap: 32px; }
  .build { grid-template-columns: 1fr; }
  .build__visual { border-right: 0; border-bottom: 1px solid var(--border-soft); }
  .video { grid-template-columns: 1fr; }
}

@media (min-width: 561px) and (max-width: 900px) {
  .bike { max-height: 44vh; max-height: 44dvh; }
}

@media (max-width: 560px) {
  .statement__facts { grid-template-columns: 1fr; }
  .figures { grid-template-columns: 1fr 1fr; }
  .method li { grid-template-columns: 2.4rem 1fr; }
  .method li > span:last-child { grid-column: 2; }
  .geo__table { font-size: 0.9rem; }
  .geo__table td { padding: 10px 4px 10px 12px; }
  .geo__table tbody th { white-space: normal; }
  .geo__table [data-size]:not(.is-on) { display: none; }   /* téléphone : seule la taille choisie */
  .geo__table col.geo__col-size { width: auto; }
  .geo__head { display: contents; }   /* le sélecteur de taille devient enfant direct de .geo : il peut rester collé en haut */
  .geo__intro { margin: 8px 0 18px; }
  .geo__sizes { position: sticky; top: calc(var(--header-h) + 8px); z-index: 5; background: var(--bg-deep); margin-bottom: 20px; display: flex; width: fit-content; }
  .geo__letter { margin-right: 8px; }
  .geo__rider th { padding-left: 30px !important; }
  .cta__actions .btn { width: 100%; }
  .build__body { padding: 22px 20px 26px; }
  .build__parts li { grid-template-columns: 1fr; gap: 2px; }
  .review__src { grid-template-columns: 1fr; }
  .review__src a { grid-column: 1; grid-row: auto; justify-self: start; margin-top: 6px; }
}

@media (max-height: 560px) and (min-width: 901px) {
  .hero__sticky { padding-top: calc(var(--header-h) + 4px); }
  .hero-part { padding: 8px 0; }
  .hero-part__desc { display: none; }
}

/* ============================================================================
   MOUVEMENT RÉDUIT
   ============================================================================ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: 0.01ms !important; animation: none !important; }
  .js [data-reveal] { opacity: 1; }
}

/* Filet de sécurité : si un script plante, rien ne reste invisible. */
.js-error [data-reveal] { opacity: 1 !important; }
.js-error .bike__layer[data-step="0"] { opacity: 1; }