/* ==========================================================================
   TANGUY LE BARS — main.css
   1. Base · 2. Typo · 3. Layout · 4. En-tête · 5. Actions · 6. Héros
   7. Œuvres · 8. Éditorial · 9. Processus · 10. Accordéon · 11. Formulaires
   12. Pied de page · 13. Visionneuse · 14. Mouvement · 15. Utilitaires
   ========================================================================== */

/* ---------- 1. BASE ------------------------------------------------------ */

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}

body {
  margin: 0;
  background: var(--c-forge-900);
  color: var(--c-paper);
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  line-height: var(--lh-base);
  letter-spacing: var(--tr-base);
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

body.is-locked { overflow: hidden; }

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

a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
input, textarea, select { font: inherit; color: inherit; }

::selection { background: var(--selection); color: var(--c-paper); }

code {
  font-family: var(--font-mono);
  font-size: .86em; letter-spacing: 0; color: var(--fg);
}

:focus-visible {
  outline: 2px solid var(--c-ember-soft);
  outline-offset: 3px;
  border-radius: var(--r-1);
}

.skip-link {
  position: absolute; top: -100px; left: var(--s-4); z-index: var(--z-modal);
  padding: var(--s-3) var(--s-5);
  background: var(--c-paper); color: var(--c-forge-900);
  font-size: var(--fs-xs); letter-spacing: var(--tr-wide); text-transform: uppercase;
}
.skip-link:focus { top: var(--s-4); }

/* Grain : un voile de matière, presque invisible, qui empêche les aplats
   sombres de paraître numériques. */
.grain::after {
  content: ""; position: fixed; inset: 0; z-index: 9999; pointer-events: none;
  opacity: .028; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.82' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- 2. TYPOGRAPHIE ---------------------------------------------- */

h1, h2, h3, h4 { margin: 0; font-weight: 400; }

.display,
.d1, .d2, .d3 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: var(--lh-snug);
  letter-spacing: var(--tr-tight);
}

.hero-type {
  font-family: var(--font-display);
  font-size: var(--fs-hero);
  line-height: var(--lh-tight);
  letter-spacing: var(--tr-hero);
  font-weight: 400;
}

.d1 { font-size: var(--fs-d1); line-height: 1.02; }
.d2 { font-size: var(--fs-d2); line-height: 1.08; }
.d3 { font-size: var(--fs-d3); line-height: 1.2; }

.it { font-style: italic; }

/* Titres en sans — pour les blocs fonctionnels (formulaires, listes) */
.t-sans {
  font-family: var(--font-sans);
  font-weight: 500;
  letter-spacing: var(--tr-tight);
}

.lead {
  font-size: var(--fs-lead);
  line-height: var(--lh-lead);
  color: var(--fg-muted);
  max-width: 46ch;
  font-weight: 300;
}

.body { max-width: var(--measure); color: var(--fg-muted); }
.body p { margin: 0 0 1.1em; }
.body p:last-child { margin-bottom: 0; }
.body strong { color: var(--fg); font-weight: 500; }

.eyebrow {
  display: inline-flex; align-items: center; gap: var(--s-3);
  font-size: var(--fs-micro);
  letter-spacing: var(--tr-caps);
  text-transform: uppercase;
  font-weight: 500;
  color: var(--fg-muted);
}
.eyebrow::before {
  content: ""; width: 28px; height: 1px; background: var(--line-strong);
}
.eyebrow--bare::before { display: none; }

.idx {
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: .12em;
  color: var(--fg-subtle);
  font-variant-numeric: tabular-nums;
}

.caps {
  font-size: var(--fs-micro);
  letter-spacing: var(--tr-caps);
  text-transform: uppercase;
  font-weight: 500;
}

.muted { color: var(--fg-muted); }
.subtle { color: var(--fg-subtle); }

/* ---------- 3. LAYOUT ---------------------------------------------------- */

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.container--wide { max-width: 1680px; }
.container--narrow { max-width: 980px; }

.section { padding-block: var(--section-y); position: relative; }
.section--tight { padding-block: clamp(56px, 8vw, 112px); }
.section--flush-top { padding-top: 0; }

.grid { display: grid; gap: var(--s-6); }
.grid-12 { display: grid; grid-template-columns: repeat(12, 1fr); gap: var(--s-6); }

.rule { height: 1px; background: var(--line); border: 0; margin: 0; }

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  gap: var(--s-7) var(--s-8);
  align-items: end;
  margin-bottom: clamp(40px, 6vw, 88px);
}
.section-head__title { margin-top: var(--s-4); }

@media (max-width: 860px) {
  .section-head { grid-template-columns: 1fr; align-items: start; }
  .grid-12 { grid-template-columns: repeat(6, 1fr); }
}

/* ---------- 4. EN-TÊTE --------------------------------------------------- */

.header {
  position: fixed; inset: 0 0 auto 0; z-index: var(--z-header);
  padding-block: var(--s-5);
  transition: background var(--d-2) var(--e-out),
              backdrop-filter var(--d-2) var(--e-out),
              padding var(--d-2) var(--e-out),
              border-color var(--d-2) var(--e-out);
  border-bottom: 1px solid transparent;
}
.header__inner {
  display: flex; align-items: center; justify-content: space-between; gap: var(--s-6);
}
.header.is-stuck {
  background: rgba(11, 13, 16, .74);
  backdrop-filter: saturate(150%) blur(18px);
  -webkit-backdrop-filter: saturate(150%) blur(18px);
  border-bottom-color: rgba(247,245,242,.1);
  padding-block: var(--s-4);
}
.header.is-hidden { transform: translateY(-104%); }
.header { transition-property: transform, background, backdrop-filter, padding, border-color; }

.brand { display: flex; align-items: center; gap: var(--s-4); color: var(--c-paper); }
.brand__mark { width: 30px; height: 30px; flex: none; transition: transform var(--d-3) var(--e-metal); }
.brand:hover .brand__mark { transform: translateY(-2px) rotate(-4deg); }
.brand__text { display: flex; flex-direction: column; line-height: 1; gap: 5px; }
.brand__name {
  font-size: 1.7rem; font-weight: 600;
  letter-spacing: .24em; text-transform: uppercase;
}
.brand__role {
  font-size: 0.5625rem; letter-spacing: .3em; text-transform: uppercase;
  color: var(--c-steel-200); font-weight: 400;
}

.nav { display: flex; align-items: center; gap: clamp(18px, 2.4vw, 40px); }
.nav__link {
  position: relative; font-size: var(--fs-xs); letter-spacing: .1em;
  text-transform: uppercase; font-weight: 400; color: var(--c-steel-200);
  padding-block: 4px; transition: color var(--d-1) var(--e-out);
}
.nav__link::after {
  content: ""; position: absolute; left: 0; bottom: 0; height: 1px; width: 100%;
  background: currentColor; transform: scaleX(0); transform-origin: right;
  transition: transform var(--d-2) var(--e-out);
}
.nav__link:hover { color: var(--c-paper); }
.nav__link:hover::after { transform: scaleX(1); transform-origin: left; }
.nav__link.is-current { color: var(--c-paper); }
.nav__link.is-current::after { transform: scaleX(1); background: var(--c-ember); }

.nav-toggle { display: none; width: 44px; height: 44px; align-items: center; justify-content: center; margin-right: -10px; }
.nav-toggle__bars { position: relative; width: 22px; height: 10px; }
.nav-toggle__bars::before, .nav-toggle__bars::after {
  content: ""; position: absolute; left: 0; width: 100%; height: 1px; background: var(--c-paper);
  transition: transform var(--d-2) var(--e-out), opacity var(--d-1) linear;
}
.nav-toggle__bars::before { top: 0; }
.nav-toggle__bars::after { bottom: 0; }
.is-open .nav-toggle__bars::before { transform: translateY(4.5px) rotate(45deg); }
.is-open .nav-toggle__bars::after { transform: translateY(-4.5px) rotate(-45deg); }

.drawer {
  position: fixed; inset: 0; z-index: var(--z-drawer);
  background: var(--c-forge-950);
  display: grid; align-content: center; padding: var(--gutter);
  clip-path: inset(0 0 100% 0);
  transition: clip-path var(--d-3) var(--e-out);
  visibility: hidden;
}
.drawer.is-open { clip-path: inset(0 0 0 0); visibility: visible; }
.drawer__nav { display: grid; gap: var(--s-2); }
.drawer__link {
  font-family: var(--font-display); font-size: clamp(2.4rem, 10vw, 4rem);
  line-height: 1.08; letter-spacing: -.02em;
  display: flex; align-items: baseline; gap: var(--s-4);
  padding-block: var(--s-2);
  opacity: 0; transform: translateY(24px);
  transition: opacity var(--d-3) var(--e-out), transform var(--d-3) var(--e-out);
}
.drawer.is-open .drawer__link { opacity: 1; transform: none; }
.drawer__link .idx { font-size: 0.625rem; }
.drawer__foot { margin-top: var(--s-9); display: flex; flex-wrap: wrap; gap: var(--s-5); }

@media (max-width: 900px) {
  .nav { display: none; }
  .nav-toggle { display: flex; }
}

/* ---------- 5. ACTIONS --------------------------------------------------- */

.btn {
  --btn-fg: var(--c-forge-900);
  --btn-bg: var(--c-paper);
  position: relative; display: inline-flex; align-items: center; gap: var(--s-3);
  padding: 15px 28px;
  font-size: var(--fs-xs); font-weight: 500;
  letter-spacing: .14em; text-transform: uppercase;
  color: var(--btn-fg); background: var(--btn-bg);
  border: 1px solid transparent; border-radius: var(--r-1);
  overflow: hidden; isolation: isolate;
  transition: color var(--d-2) var(--e-out), border-color var(--d-2) var(--e-out),
              transform var(--d-2) var(--e-out);
}
.btn::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: var(--c-forge-900);
  transform: translateY(101%);
  transition: transform var(--d-3) var(--e-out);
}
.btn:hover::before { transform: translateY(0); }
.btn:hover { color: var(--c-paper); }
.btn:active { transform: translateY(1px); }
.btn__arrow { transition: transform var(--d-2) var(--e-out); }
.btn:hover .btn__arrow { transform: translateX(4px); }

.btn--ghost {
  --btn-bg: transparent; --btn-fg: var(--fg);
  border-color: var(--line-strong);
}
.btn--ghost::before { background: var(--fg); }
.btn--ghost:hover { color: var(--bg); border-color: var(--fg); }

.btn--ember { --btn-bg: var(--c-ember); --btn-fg: #fff; }
.btn--ember::before { background: var(--c-forge-900); }

/* Lien texte à filet animé */
.link {
  position: relative; display: inline-block; color: var(--fg);
  padding-bottom: 2px;
}
.link::after {
  content: ""; position: absolute; left: 0; bottom: 0; width: 100%; height: 1px;
  background: currentColor; opacity: .4;
  transform-origin: right; transition: transform var(--d-2) var(--e-out), opacity var(--d-1) linear;
}
.link:hover::after { opacity: 1; transform: scaleX(0); }

.link-arrow {
  display: inline-flex; align-items: center; gap: var(--s-3);
  font-size: var(--fs-xs); letter-spacing: .14em; text-transform: uppercase; font-weight: 500;
  color: var(--fg);
}
.link-arrow svg { transition: transform var(--d-2) var(--e-out); }
.link-arrow:hover svg { transform: translateX(5px); }

/* ---------- 6. HÉROS ----------------------------------------------------- */

.hero {
  position: relative; min-height: 100vh; min-height: 100svh;
  display: grid; align-items: end;
  overflow: hidden; isolation: isolate;
  background: var(--c-abyss-900);
}
.hero__media { position: absolute; inset: 0; z-index: -2; }
.hero__media picture { display: block; width: 100%; height: 100%; }
.hero__media img {
  width: 100%; height: 100%; object-fit: cover; object-position: center 42%;
  transform: scale(1.08);
  will-change: transform;
}
.hero__veil {
  position: absolute; inset: 0; z-index: -1;
  background:
    linear-gradient(to top, rgba(7,8,10,.92) 0%, rgba(7,8,10,.42) 38%, rgba(7,8,10,.18) 66%, rgba(7,8,10,.5) 100%),
    radial-gradient(120% 80% at 50% 30%, transparent 40%, rgba(7,8,10,.55) 100%);
}
.hero__inner { padding-bottom: clamp(48px, 9vh, 110px); padding-top: 180px; width: 100%; }
.hero__title { max-width: 15ch; }
.hero__title .ln { display: block; }
.hero__meta {
  margin-top: clamp(28px, 4vw, 52px);
  display: flex; flex-wrap: wrap; gap: var(--s-5) var(--s-8);
  align-items: center; justify-content: space-between;
}
.hero__sub { max-width: 38ch; color: var(--c-steel-200); font-weight: 300; font-size: var(--fs-lead); line-height: 1.45; }

.scroll-cue {
  display: inline-flex; align-items: center; gap: var(--s-3);
  font-size: var(--fs-micro); letter-spacing: var(--tr-caps); text-transform: uppercase;
  color: var(--c-steel-300);
}
.scroll-cue__line {
  display: block; width: 1px; height: 44px; background: linear-gradient(var(--c-steel-300), transparent);
  position: relative; overflow: hidden;
}
.scroll-cue__line::after {
  content: ""; position: absolute; inset: 0; background: var(--c-paper);
  animation: cue 2.4s var(--e-in-out) infinite;
}
@keyframes cue {
  0% { transform: translateY(-100%); } 60%, 100% { transform: translateY(100%); }
}

/* Bandeau de titre pour les pages intérieures */
.pagehead { padding-top: clamp(150px, 20vh, 240px); padding-bottom: clamp(40px, 6vw, 80px); }
.pagehead__title { max-width: 18ch; }
.pagehead__row { display: flex; flex-wrap: wrap; gap: var(--s-6) var(--s-9); justify-content: space-between; align-items: flex-end; margin-top: var(--s-7); }

/* ---------- 7. ŒUVRES ---------------------------------------------------- */

.works { display: grid; gap: clamp(40px, 5vw, 80px) var(--s-6); grid-template-columns: repeat(12, 1fr); }

.work { grid-column: span 6; position: relative; }
.work--tall { grid-column: span 6; }
.work--wide { grid-column: span 12; }
.work--third { grid-column: span 4; }
.work--4 { grid-column: span 4; }
.work--5 { grid-column: span 5; }
.work--6 { grid-column: span 6; }
.work--7 { grid-column: span 7; }
.work--8 { grid-column: span 8; }
.work--12 { grid-column: span 12; }

.work__frame {
  display: block;
  position: relative; overflow: hidden; background: var(--bg-sunken);
  border-radius: var(--r-1);
}
/* Recadrages : recentrer le sujet quand le cadre coupe fort */
.work__img--left   { object-position: 14% center; }
.work__img--right  { object-position: 76% center; }
.work__img--top    { object-position: center 22%; }
.work__img--bottom { object-position: center 76%; }
.work__frame::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  box-shadow: inset 0 0 0 1px var(--line);
  transition: box-shadow var(--d-2) var(--e-out);
}
.work:hover .work__frame::after { box-shadow: inset 0 0 0 1px var(--line-strong); }
.work__img {
  width: 100%; height: 100%; object-fit: cover;
  transform: scale(1.001);
  transition: transform var(--d-4) var(--e-metal), filter var(--d-4) var(--e-metal);
}
.work__img--contain { object-fit: contain; }
.work__views {
  position: absolute; right: 14px; bottom: 14px;
  padding: 6px 10px; border: 1px solid rgba(247,245,242,.18);
  background: rgba(7,8,10,.72); color: var(--c-paper);
  font-size: .6875rem; letter-spacing: .08em;
}
.gallery-section, .atelier-portrait-section { padding-top: var(--s-8); }
.work__meta { flex-shrink: 1; max-width: 25ch; color: var(--fg-muted); }
.work__title { min-width: 0; }
.portrait-photo { object-position: center 27%; }
.making { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--s-8) var(--s-7); max-width: 1200px; }
.making__item { margin: 0; }
.making__item .work__frame { background: var(--c-paper-dim); }
.making__item figcaption { display: flex; align-items: baseline; gap: var(--s-5); padding-top: var(--s-5); }
.making__item figcaption p { max-width: 44ch; color: var(--fg-muted); font-size: var(--fs-sm); margin-bottom: 0; }
@media (max-width: 640px) {
  .making { grid-template-columns: 1fr; gap: var(--s-7); }
  .brand__name { font-size: 1.5rem; }
  .brand__role { font-size: .5rem; }
  .work__tag { opacity: 1; transform: none; }
}
.work:hover .work__img { transform: scale(1.045); }

.ratio-4-5 { aspect-ratio: 4 / 5; }
.ratio-1-1 { aspect-ratio: 1 / 1; }
.ratio-3-2 { aspect-ratio: 3 / 2; }
.ratio-16-9 { aspect-ratio: 16 / 9; }
.ratio-5-7 { aspect-ratio: 5 / 7; }

.work__body {
  display: flex; align-items: baseline; justify-content: space-between; gap: var(--s-5);
  padding-top: var(--s-5); border-top: 1px solid var(--line); margin-top: var(--s-5);
}
.work__title { font-family: var(--font-display); font-size: var(--fs-d3); line-height: 1.1; }
.work__meta { font-size: var(--fs-xs); color: var(--fg-subtle); text-align: right; flex: none; }
.work__tag {
  position: absolute; top: var(--s-4); left: var(--s-4);
  padding: 6px 10px; background: rgba(7,8,10,.6);
  -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
  color: var(--c-paper);
  font-size: var(--fs-micro); letter-spacing: .16em; text-transform: uppercase;
  opacity: 0; transform: translateY(-6px);
  transition: opacity var(--d-2) var(--e-out), transform var(--d-2) var(--e-out);
}
.work:hover .work__tag { opacity: 1; transform: none; }

.work__zoom {
  position: absolute; inset: 0; display: grid; place-items: center;
  opacity: 0; transition: opacity var(--d-2) var(--e-out);
}
.work__zoom span {
  width: 56px; height: 56px; display: grid; place-items: center;
  border: 1px solid rgba(247,245,242,.5); border-radius: var(--r-full);
  background: rgba(7,8,10,.35);
  -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
  color: var(--c-paper);
  transform: scale(.85); transition: transform var(--d-3) var(--e-out);
}
.work:hover .work__zoom { opacity: 1; }
.work:hover .work__zoom span { transform: scale(1); }

@media (max-width: 900px) {
  .works { grid-template-columns: minmax(0, 1fr); }
  .works > .work { grid-column: 1 / -1; }
  .work, .work--tall, .work--third,
  .work--4, .work--5, .work--6, .work--7, .work--8 { grid-column: span 12; }
}

@media (max-width: 640px) {
  .work__body { flex-direction: column; align-items: flex-start; gap: var(--s-3); }
  .work__meta { text-align: left; }
}

/* Filtres de collection */
.filters { display: flex; flex-wrap: wrap; gap: var(--s-2); }
.filter {
  padding: 10px 18px; border: 1px solid var(--line); border-radius: var(--r-full);
  font-size: var(--fs-xs); letter-spacing: .1em; text-transform: uppercase;
  color: var(--fg-muted);
  transition: color var(--d-1) var(--e-out), border-color var(--d-1) var(--e-out), background var(--d-1) var(--e-out);
}
.filter:hover { color: var(--fg); border-color: var(--line-strong); }
.filter.is-active { background: var(--fg); color: var(--bg); border-color: var(--fg); }

.work.is-hidden { display: none; }

/* ---------- 8. ÉDITORIAL ------------------------------------------------- */

.split {
  display: grid; grid-template-columns: repeat(12, 1fr); gap: clamp(32px, 5vw, 80px) var(--s-6);
  align-items: center;
}
.split__media { grid-column: span 6; }
.split__text { grid-column: 8 / span 5; }
.split--reverse .split__media { grid-column: 7 / span 6; order: 2; }
.split--reverse .split__text { grid-column: 1 / span 5; order: 1; }
.split--form { align-items: start; }
.split--form .split__text { grid-column: 1 / span 4; }
.split__form { grid-column: 6 / span 7; min-width: 0; }
.field input, .field select, .field textarea { min-width: 0; }
.split--form a { overflow-wrap: anywhere; }

@media (max-width: 900px) {
  .split { grid-template-columns: minmax(0, 1fr); }
  .split__media, .split__text,
  .split--reverse .split__media, .split--reverse .split__text { grid-column: 1 / -1; order: initial; }
  .split--form .split__text, .split__form { grid-column: 1 / -1; }
}

.figure { margin: 0; position: relative; }
.figure img { width: 100%; border-radius: var(--r-1); }
.figure figcaption {
  margin-top: var(--s-4); font-size: var(--fs-xs); color: var(--fg-subtle);
  display: flex; gap: var(--s-3); align-items: baseline;
}

.quote {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3.6vw, 3.1rem);
  line-height: 1.16; letter-spacing: -.02em;
  max-width: 22ch;
}
.quote--wide { max-width: 30ch; }
.quote__attrib {
  margin-top: var(--s-6); font-family: var(--font-sans);
  font-size: var(--fs-micro); letter-spacing: var(--tr-caps); text-transform: uppercase;
  color: var(--fg-subtle);
}

.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--s-6); }
.stat { border-top: 1px solid var(--line); padding-top: var(--s-5); }
.stat__k { font-family: var(--font-display); font-size: clamp(1.6rem, 3vw, 2.6rem); line-height: 1; }
.stat__v { margin-top: var(--s-3); font-size: var(--fs-xs); color: var(--fg-subtle); letter-spacing: .06em; }
@media (max-width: 720px) { .stats { grid-template-columns: 1fr; } }

/* Bandeau pleine largeur avec image fixe */
.band {
  position: relative; min-height: clamp(420px, 62vh, 760px);
  display: grid; align-items: center; overflow: hidden; isolation: isolate;
}
.band__media { position: absolute; inset: 0; z-index: -2; }
.band__media img { width: 100%; height: 100%; object-fit: cover; }
.band__veil { position: absolute; inset: 0; z-index: -1; background: linear-gradient(100deg, rgba(7,8,10,.9) 0%, rgba(7,8,10,.62) 46%, rgba(7,8,10,.24) 100%); }

/* Marquee sobre */
.ticker { overflow: hidden; border-block: 1px solid var(--line); padding-block: var(--s-5); }
.ticker__track { display: flex; gap: var(--s-8); width: max-content; animation: ticker 46s linear infinite; }
.ticker__item {
  display: inline-flex; align-items: center; gap: var(--s-5);
  font-family: var(--font-display); font-size: clamp(1.3rem, 2.4vw, 2rem);
  color: var(--fg-muted); white-space: nowrap;
}
.ticker__item::after { content: ""; width: 6px; height: 6px; background: var(--c-ember); border-radius: 50%; }
@keyframes ticker { to { transform: translateX(-50%); } }
.ticker:hover .ticker__track { animation-play-state: paused; }

/* ---------- 9. PROCESSUS ------------------------------------------------- */

.steps { display: grid; gap: 0; }
.step {
  display: grid; grid-template-columns: 88px minmax(0, 4fr) minmax(0, 6fr);
  gap: var(--s-6);
  padding-block: clamp(28px, 4vw, 48px);
  border-top: 1px solid var(--line);
  align-items: start;
}
.step:last-child { border-bottom: 1px solid var(--line); }
.step__n { font-family: var(--font-mono); font-size: var(--fs-micro); color: var(--fg-subtle); padding-top: 8px; letter-spacing: .1em; }
.step__t { font-family: var(--font-display); font-size: var(--fs-d3); line-height: 1.1; }
.step__d { color: var(--fg-muted); font-size: var(--fs-sm); line-height: 1.68; max-width: 56ch; }
@media (max-width: 860px) {
  .step { grid-template-columns: 44px 1fr; }
  .step__d { grid-column: 2; }
}

/* ---------- 10. ACCORDÉON ------------------------------------------------ */

.acc { border-top: 1px solid var(--line); }
.acc__item { border-bottom: 1px solid var(--line); }
.acc__btn {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: var(--s-5);
  padding-block: clamp(20px, 2.6vw, 30px); text-align: left;
  font-size: var(--fs-lead); font-weight: 400; letter-spacing: var(--tr-base);
  transition: color var(--d-1) var(--e-out);
}
.acc__btn:hover { color: var(--fg); }
.acc__sign { position: relative; width: 14px; height: 14px; flex: none; }
.acc__sign::before, .acc__sign::after {
  content: ""; position: absolute; background: currentColor; transition: transform var(--d-2) var(--e-out);
}
.acc__sign::before { left: 0; top: 6.5px; width: 14px; height: 1px; }
.acc__sign::after { left: 6.5px; top: 0; width: 1px; height: 14px; }
.acc__item.is-open .acc__sign::after { transform: scaleY(0); }
.acc__panel {
  height: 0; overflow: hidden; visibility: hidden;
  transition: height var(--d-3) var(--e-out), visibility 0s linear var(--d-3);
}
.acc__item.is-open .acc__panel {
  visibility: visible;
  transition: height var(--d-3) var(--e-out), visibility 0s linear 0s;
}
.acc__panel p { margin: 0 0 var(--s-5); color: var(--fg-muted); font-size: var(--fs-sm); line-height: 1.7; max-width: 62ch; }

/* ---------- 11. FORMULAIRES ---------------------------------------------- */

.form { display: grid; gap: var(--s-6); }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--s-6); }
@media (max-width: 720px) { .form__row { grid-template-columns: 1fr; } }

.field { position: relative; display: grid; gap: var(--s-3); }
.field__label {
  font-size: var(--fs-micro); letter-spacing: var(--tr-caps); text-transform: uppercase;
  color: var(--fg-subtle);
}
.field input, .field textarea, .field select {
  width: 100%; padding: 14px 0; background: transparent;
  border: 0; border-bottom: 1px solid var(--line);
  border-radius: 0; font-size: var(--fs-body); color: var(--fg);
  transition: border-color var(--d-2) var(--e-out);
}
.field select { padding-right: 28px; appearance: none; cursor: pointer; }
.field--select::after {
  content: ""; position: absolute; right: 4px; bottom: 24px; width: 7px; height: 7px;
  border-right: 1px solid var(--fg-subtle); border-bottom: 1px solid var(--fg-subtle);
  transform: rotate(45deg); pointer-events: none;
}
.field input::placeholder, .field textarea::placeholder { color: var(--fg-subtle); opacity: .6; }
.field input:focus, .field textarea:focus, .field select:focus { outline: none; border-bottom-color: var(--fg); }
.field textarea { resize: vertical; min-height: 130px; }
.field option { background: var(--c-forge-800); color: var(--c-paper); }

.choice { display: flex; flex-wrap: wrap; gap: var(--s-2); }
.choice input { position: absolute; opacity: 0; width: 0; height: 0; }
.choice label {
  padding: 10px 18px; border: 1px solid var(--line); border-radius: var(--r-full);
  font-size: var(--fs-xs); letter-spacing: .08em; color: var(--fg-muted); cursor: pointer;
  transition: all var(--d-1) var(--e-out);
}
.choice input:checked + label { background: var(--fg); color: var(--bg); border-color: var(--fg); }
.choice input:focus-visible + label { outline: 2px solid var(--c-ember-soft); outline-offset: 3px; }

.form__note { font-size: var(--fs-xs); color: var(--fg-subtle); max-width: 52ch; }

/* ---------- 12. PIED DE PAGE --------------------------------------------- */

.footer { padding-block: clamp(72px, 9vw, 130px) var(--s-7); }
.footer__grid {
  display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 3fr) minmax(0, 3fr);
  gap: var(--s-8) var(--s-6);
  padding-bottom: clamp(48px, 7vw, 96px);
}
@media (max-width: 860px) { .footer__grid { grid-template-columns: 1fr 1fr; } .footer__brand { grid-column: 1 / -1; } }
@media (max-width: 520px) { .footer__grid { grid-template-columns: 1fr; } }

.footer__cta { font-family: var(--font-display); font-size: var(--fs-d2); line-height: 1.05; max-width: 14ch; }
.footer__list { display: grid; gap: var(--s-3); list-style: none; margin: 0; padding: 0; }
.footer__list a { font-size: var(--fs-sm); color: var(--fg-muted); transition: color var(--d-1) var(--e-out); }
.footer__list a:hover { color: var(--fg); }
.footer__head { margin-bottom: var(--s-5); }
.footer__bottom {
  display: flex; flex-wrap: wrap; gap: var(--s-4) var(--s-6); justify-content: space-between; align-items: center;
  padding-top: var(--s-6); border-top: 1px solid var(--line);
  font-size: var(--fs-xs); color: var(--fg-subtle);
}
.footer__stamp { width: 56px; height: 56px; color: var(--fg-subtle); opacity: .7; }

/* ---------- 13. VISIONNEUSE ---------------------------------------------- */

.lb {
  position: fixed; inset: 0; z-index: var(--z-modal);
  background: rgba(7,8,10,.96);
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  display: grid; place-items: center; padding: clamp(16px, 4vw, 64px);
  opacity: 0; visibility: hidden; pointer-events: none;
  transition: opacity var(--d-2) var(--e-out), visibility var(--d-2);
}
.lb.is-open { opacity: 1; visibility: visible; pointer-events: auto; }
.lb__img {
  width: auto; height: auto;
  max-width: min(calc(100vw - 160px), 1200px); max-height: 76vh; max-height: 76svh; object-fit: contain;
  transform: scale(.97); transition: transform var(--d-3) var(--e-out);
}
.lb.is-open .lb__img { transform: none; }
.lb__cap {
  position: absolute; left: 0; right: 0; bottom: clamp(16px, 3vw, 36px);
  text-align: center; font-size: var(--fs-xs); color: var(--c-steel-200); letter-spacing: .03em;
  padding-inline: 24px; margin-inline: auto; max-width: 70ch;
}
.lb__counter { position: absolute; left: 26px; top: 20px; color: var(--c-steel-200); font-size: var(--fs-xs); letter-spacing: .15em; }
.lb__close {
  position: absolute; top: clamp(14px, 3vw, 32px); right: clamp(14px, 3vw, 32px);
  width: 48px; height: 48px; display: grid; place-items: center;
  border: 1px solid rgba(247,245,242,.25); border-radius: var(--r-full); color: var(--c-paper);
  transition: background var(--d-1) var(--e-out);
}
.lb__close:hover { background: rgba(247,245,242,.1); }
.lb__nav {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 52px; height: 52px; display: grid; place-items: center; color: var(--c-paper);
  border: 1px solid rgba(247,245,242,.2); border-radius: var(--r-full);
  transition: background var(--d-1) var(--e-out);
}
.lb__nav:hover { background: rgba(247,245,242,.1); }
.lb__nav--prev { left: clamp(10px, 2vw, 28px); }
.lb__nav--next { right: clamp(10px, 2vw, 28px); }
.lb__nav[hidden] { display: none; }
@media (max-width: 640px) {
  .lb { padding-inline: 12px; }
  .lb__img { max-width: calc(100vw - 24px); max-height: 68svh; }
  .lb__nav { top: auto; bottom: 100px; width: 44px; height: 44px; transform: none; background: rgba(7,8,10,.8); }
  .lb__cap { bottom: 16px; font-size: .75rem; }
}

/* ---------- 14. MOUVEMENT ------------------------------------------------ */

.js [data-reveal] { opacity: 0; transform: translateY(26px); }
.js [data-reveal="mask"] { opacity: 1; transform: none; clip-path: inset(0 0 100% 0); }
.js [data-reveal="fade"] { transform: none; }
.js [data-reveal="scale"] { opacity: 0; transform: scale(.97); }

/* Pas de clip-path ici : inset(0 0 0 0) découpe sur la boîte de bordure et
   rogne les jambages des titres (Q, g, p), dont la hampe descend sous le
   line-box en --lh-tight. Le volet reste réservé à la variante « mask ». */
.js .is-revealed[data-reveal] {
  opacity: 1; transform: none;
  transition: opacity var(--d-3) var(--e-out), transform var(--d-3) var(--e-out);
  transition-delay: var(--reveal-delay, 0ms);
}
/* Inset final négatif : le volet s'ouvre au-delà de la boîte, donc il ne
   coupe rien une fois l'apparition terminée. */
.js .is-revealed[data-reveal="mask"] {
  clip-path: inset(-.35em -.35em -.35em -.35em);
  transition: opacity var(--d-3) var(--e-out), transform var(--d-3) var(--e-out),
              clip-path var(--d-4) var(--e-out);
  transition-delay: var(--reveal-delay, 0ms);
}

/* Le masque doit dépasser la boîte de ligne : avec --lh-tight (0.94), les
   jambages de Instrument Serif (g, p, Q) descendent sous le line-box et
   seraient rognés par overflow: hidden. On élargit la zone de clipping, puis
   on annule l'effet de mise en page par des marges négatives égales. */
.split-line {
  display: block; overflow: hidden;
  padding-top: .12em; margin-top: -.12em;
  padding-bottom: .26em; margin-bottom: -.26em;
}
.js .split-line > span {
  display: block;
  /* Doit couvrir la hauteur de ligne ET le rembourrage bas, sinon un liseré
     de texte reste visible avant l'apparition. */
  transform: translateY(calc(100% + .4em));
  transition: transform var(--d-4) var(--e-out);
  transition-delay: var(--line-delay, 0ms);
}
.js .is-revealed .split-line > span { transform: none; }

/* ---------- 15. UTILITAIRES ---------------------------------------------- */

.u-flex { display: flex; }
.u-between { justify-content: space-between; }
.u-center { align-items: center; }
.u-wrap { flex-wrap: wrap; }
.u-gap-3 { gap: var(--s-3); } .u-gap-5 { gap: var(--s-5); } .u-gap-6 { gap: var(--s-6); }
.u-mt-4 { margin-top: var(--s-4); } .u-mt-5 { margin-top: var(--s-5); }
.u-mt-6 { margin-top: var(--s-6); } .u-mt-7 { margin-top: var(--s-7); }
.u-mt-8 { margin-top: var(--s-8); } .u-mt-9 { margin-top: var(--s-9); }
.u-mb-5 { margin-bottom: var(--s-5); } .u-mb-6 { margin-bottom: var(--s-6); }
.u-hide { display: none; }
.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;
}
.u-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--c-ember); display: inline-block; }
.u-dot--live { box-shadow: 0 0 0 0 rgba(196,85,42,.7); animation: pulse 2.6s var(--e-out) infinite; }
@keyframes pulse {
  70% { box-shadow: 0 0 0 10px rgba(196,85,42,0); }
  100% { box-shadow: 0 0 0 0 rgba(196,85,42,0); }
}

/* ---------- ACCESSIBILITÉ / IMPRESSION ----------------------------------- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important; animation-iteration-count: 1 !important;
    transition-duration: .001ms !important; scroll-behavior: auto !important;
  }
  [data-reveal], .split-line > span { opacity: 1 !important; transform: none !important; clip-path: none !important; }
  .hero__media img { transform: none; }
}

@media print {
  .header, .footer, .scroll-cue, .lb, .grain::after { display: none !important; }
  body { background: #fff; color: #000; }
}