/* ============================================================================
   SILLAGE — feuille principale du thème
   1. Tokens (= handoff/tokens.css) + alias socle bb-*
   2. Base
   3. Utilitaires du design system
   4. Composants : wordmark, bouton, photo, meta, carte, figure, formulaire, listes
   5. Header, menu plein écran, footer
   6. Motion : ScrollGrow, passage horizontal, entrées de page
   7. Responsive commun + reduced motion
   ============================================================================ */

/* --------------------------------------------------------------------------
   1. Tokens
   -------------------------------------------------------------------------- */
:root {
  --font-brand: "Instrument Serif", "Iowan Old Style", Georgia, serif;
  --font-display: "Newsreader", "Iowan Old Style", "Palatino Linotype", Georgia, serif;
  --font-text: "Instrument Sans", "Helvetica Neue", Arial, sans-serif;
  --font-mono: "Geist Mono", "SF Mono", Menlo, Consolas, monospace;

  --craie: #F1EDE4;
  --craie-2: #E7E1D5;
  --platre: #D5CDBF;
  --lin: #BDB29F;
  --pierre: #8C8377;
  --ombre: #3B3833;
  --encre: #17181C;
  --noir: #0B0B0D;
  --brume: #D9E1E4;
  --poudre: #E9D6CF;
  --pistache: #DCE3CF;
  --lavande: #D8D5E2;
  --sable: #E4DAC6;
  --fluo: #CCFF00;

  --bg: var(--craie);
  --bg-alt: var(--craie-2);
  --bg-inverse: var(--encre);
  --fg: var(--encre);
  --fg-2: var(--pierre);
  --fg-3: var(--lin);
  --fg-inverse: var(--craie);
  --line: color-mix(in oklab, var(--encre) 18%, transparent);
  --line-strong: var(--encre);
  --accent: var(--fluo);
  --on-accent: var(--encre);
  --teinte: var(--brume);
  --on-teinte: var(--encre);
  --surface-card: var(--craie-2);
  --focus: var(--encre);
  --ok: #5E7A5A;
  --warn: #B4832C;
  --error: #8E3B2E;

  --fs-colossal: clamp(96px, 16vw, 300px);
  --fs-hero: clamp(56px, 10vw, 180px);
  --fs-display: clamp(44px, 6.5vw, 112px);
  --fs-h1: clamp(36px, 4.5vw, 72px);
  --fs-h2: clamp(28px, 2.8vw, 44px);
  --fs-h3: clamp(22px, 1.6vw, 28px);
  --fs-lead: clamp(18px, 1.25vw, 22px);
  --fs-body: 16px;
  --fs-small: 14px;
  --fs-meta: 11px;
  --fs-micro: 10px;
  --lh-display: 0.92;
  --lh-heading: 1.04;
  --lh-tight: 1.25;
  --lh-body: 1.55;
  --lh-loose: 1.7;
  --ls-display: -0.02em;
  --ls-heading: -0.01em;
  --ls-body: 0;
  --ls-meta: 0.14em;
  --ls-wordmark: -0.02em;
  --fw-display-light: 300;
  --fw-display: 400;
  --fw-text: 400;
  --fw-text-medium: 500;
  --fw-mono: 400;
  --type-hero: var(--fw-display-light) var(--fs-hero) / var(--lh-display) var(--font-display);
  --type-display: var(--fw-display-light) var(--fs-display) / var(--lh-display) var(--font-display);
  --type-h1: var(--fw-display-light) var(--fs-h1) / var(--lh-heading) var(--font-display);
  --type-h2: var(--fw-display) var(--fs-h2) / var(--lh-heading) var(--font-display);
  --type-h3: var(--fw-display) var(--fs-h3) / var(--lh-tight) var(--font-display);
  --type-lead: var(--fw-text) var(--fs-lead) / var(--lh-tight) var(--font-text);
  --type-body: var(--fw-text) var(--fs-body) / var(--lh-body) var(--font-text);
  --type-small: var(--fw-text) var(--fs-small) / var(--lh-body) var(--font-text);
  --type-meta: var(--fw-mono) var(--fs-meta) / 1.2 var(--font-mono);
  --type-wordmark: 400 1em / 1 var(--font-brand);

  --sp-1: 4px; --sp-2: 8px; --sp-3: 12px; --sp-4: 16px; --sp-5: 24px; --sp-6: 32px;
  --sp-7: 48px; --sp-8: 64px; --sp-9: 96px; --sp-10: 128px; --sp-11: 192px;
  --marge: clamp(20px, 4vw, 64px);
  --gutter: clamp(16px, 1.6vw, 28px);
  --section: clamp(96px, 14vw, 220px);
  --section-sm: clamp(56px, 7vw, 112px);
  --nav-h: 72px;
  --grid: repeat(12, minmax(0, 1fr));
  --measure: 34em;
  --measure-narrow: 26em;
  --radius-0: 0px;
  --radius-pill: 999px;
  --hair: 1px;
  --rule: 2px;
  --mat: 10px;

  --ease-out: cubic-bezier(.22, 1, .36, 1);
  --ease-inout: cubic-bezier(.65, 0, .35, 1);
  --ease-in: cubic-bezier(.55, 0, 1, .45);
  --dur-1: 280ms;
  --dur-2: 700ms;
  --dur-3: 1200ms;
  --dur-4: 2000ms;
  --stagger: 70ms;
  --hover-opacity: .55;
  --hover-scale: 1.025;
  --reveal-y: 24px;
  --wordmark-shift: -0.17em;

  --shadow-none: none;
  --shadow-dialog: 0 40px 80px -30px rgba(11, 11, 13, .35);
  --grain: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 .5 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  --grain-opacity: .08;
  --scrim-bottom: linear-gradient(to top, rgba(11, 11, 13, .55), rgba(11, 11, 13, 0) 55%);
  --scrim-top: linear-gradient(to bottom, rgba(11, 11, 13, .35), rgba(11, 11, 13, 0) 40%);
  --veil: color-mix(in oklab, var(--bg) 72%, transparent);
  --veil-blur: 14px;
  --photo-filter: saturate(.9) contrast(1.02);

  /* Alias socle BimBeau (contrat v0.1) — noms de rôle, valeurs SILLAGE */
  --bb-color-bg: var(--craie);
  --bb-color-ink: var(--encre);
  --bb-color-line: var(--line);
  --bb-color-brand: var(--encre);
  --bb-color-accent: var(--fluo);
  --bb-color-surface: var(--craie-2);
  --bb-color-ink-muted: var(--pierre);
  --bb-color-inverse-bg: var(--encre);
  --bb-color-inverse-ink: var(--craie);
  --bb-font-display: var(--font-display);
  --bb-font-body: var(--font-text);
  --bb-font-mono: var(--font-mono);
  --bb-font-accent: var(--font-brand);
  --bb-text-xs: var(--fs-meta);
  --bb-text-sm: var(--fs-small);
  --bb-text-md: var(--fs-body);
  --bb-text-lg: var(--fs-lead);
  --bb-text-xl: var(--fs-h3);
  --bb-text-2xl: var(--fs-h2);
  --bb-text-3xl: var(--fs-h1);
  --bb-text-4xl: var(--fs-display);
  --bb-space-2xs: var(--sp-2);
  --bb-space-xs: var(--sp-4);
  --bb-space-sm: var(--sp-5);
  --bb-space-md: var(--sp-6);
  --bb-space-lg: var(--sp-7);
  --bb-space-xl: var(--sp-8);
  --bb-space-2xl: var(--section-sm);
  --bb-space-3xl: var(--section);
  --bb-radius-sm: 0px;
  --bb-radius-md: 0px;
  --bb-radius-full: var(--radius-pill);
  --bb-width-content: var(--measure);
  --bb-width-container: 100%;
  --bb-motion-fast: var(--dur-1);
  --bb-motion-slow: var(--dur-3);
  --bb-ease: var(--ease-out);
}

[data-theme="nuit"] {
  --bg: var(--encre); --bg-alt: #1F2025; --bg-inverse: var(--craie);
  --fg: var(--craie); --fg-2: #A9A296; --fg-3: #6E685F; --fg-inverse: var(--encre);
  --line: color-mix(in oklab, var(--craie) 22%, transparent); --line-strong: var(--craie);
  --surface-card: #1F2025; --focus: var(--craie); --on-accent: var(--encre);
}
[data-teinte="brume"] { --teinte: var(--brume); }
[data-teinte="poudre"] { --teinte: var(--poudre); }
[data-teinte="pistache"] { --teinte: var(--pistache); }
[data-teinte="lavande"] { --teinte: var(--lavande); }
[data-teinte="sable"] { --teinte: var(--sable); }
.has-teinte-brume { --teinte: var(--brume); }
.has-teinte-poudre { --teinte: var(--poudre); }
.has-teinte-pistache { --teinte: var(--pistache); }
.has-teinte-lavande { --teinte: var(--lavande); }
.has-teinte-sable { --teinte: var(--sable); }
[data-surface="teinte"] {
  --bg: var(--teinte); --bg-alt: color-mix(in oklab, var(--teinte) 88%, var(--encre));
  --fg: var(--encre); --fg-2: var(--ombre); --fg-3: var(--pierre);
  --line: color-mix(in oklab, var(--encre) 22%, transparent); --line-strong: var(--encre);
  --surface-card: color-mix(in oklab, var(--teinte) 88%, var(--encre));
  background: var(--teinte); color: var(--encre);
}

/* --------------------------------------------------------------------------
   2. Base
   -------------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-rendering: optimizeLegibility; -webkit-font-smoothing: antialiased; scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--fg); font: var(--type-body); font-feature-settings: "kern", "liga"; }
a { color: inherit; text-decoration: none; transition: opacity var(--dur-1) var(--ease-out); }
a:hover { opacity: var(--hover-opacity); }
::selection { background: var(--accent); color: var(--on-accent); }
:focus-visible { outline: 1px solid var(--focus); outline-offset: 3px; }
img { display: block; max-width: 100%; height: auto; }
svg { display: inline-block; vertical-align: middle; }
h1, h2, h3, h4, p, figure, ul, ol, dl, dd, blockquote { margin: 0; }
ul, ol { padding: 0; list-style: none; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
input, select, textarea { font: inherit; color: inherit; }
em { font-style: italic; }
.slg-main { overflow-x: clip; }

.slg-skip { position: absolute; left: var(--marge); top: -100px; z-index: 100; padding: 10px 14px; background: var(--encre); color: var(--craie); font: var(--type-meta); letter-spacing: var(--ls-meta); text-transform: uppercase; }
.slg-skip:focus { top: 12px; opacity: 1; }
.slg-visually-hidden { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }

/* --------------------------------------------------------------------------
   3. Utilitaires du design system
   -------------------------------------------------------------------------- */
.slg-grain { position: relative; isolation: isolate; }
.slg-grain::after { content: ""; position: absolute; inset: 0; background: var(--grain); opacity: var(--grain-opacity); mix-blend-mode: multiply; pointer-events: none; z-index: 1; }
[data-theme="nuit"] .slg-grain::after, [data-theme="nuit"].slg-grain::after { mix-blend-mode: screen; }

.slg-meta { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: flex-start; gap: 0 10px; font: var(--type-meta); letter-spacing: var(--ls-meta); text-transform: uppercase; color: var(--fg); }
.slg-meta.is-muted { color: var(--fg-2); }
.slg-meta.is-justify { justify-content: space-between; gap: 16px; }
.slg-meta__sep { opacity: .45; }

.slg-hero { font: var(--type-hero); letter-spacing: var(--ls-display); text-wrap: balance; }
.slg-display { font: var(--type-display); letter-spacing: var(--ls-display); text-wrap: balance; }
.slg-h1 { font: var(--type-h1); letter-spacing: var(--ls-heading); }
.slg-h2 { font: var(--type-h2); letter-spacing: var(--ls-heading); font-weight: 400; }
.slg-h3 { font: var(--type-h3); letter-spacing: var(--ls-heading); font-weight: 400; }
.slg-lead { font: var(--type-lead); text-wrap: pretty; }
.slg-body { font: var(--type-body); }
.slg-small { font: var(--type-small); }
.slg-mono-big { font: 300 var(--fs-colossal) / 0.85 var(--font-mono); letter-spacing: -0.05em; }
.is-ombre { color: var(--ombre); }
.is-muted { color: var(--fg-2); }
.slg-measure { max-width: var(--measure); }
.slg-measure-narrow { max-width: var(--measure-narrow); }
.slg-hair { height: var(--hair); background: var(--line); border: 0; margin: 0; }
.slg-grid { display: grid; grid-template-columns: var(--grid); gap: var(--gutter); }
.slg-wrap { padding-inline: var(--marge); }
.slg-mat { border: 1px solid var(--line); padding: var(--mat); background: var(--craie); }

@keyframes slg-rise { from { opacity: 0; transform: translateY(var(--reveal-y)); } to { opacity: 1; transform: none; } }
@keyframes slg-fade { from { opacity: 0; } to { opacity: 1; } }
@keyframes slg-unveil { from { clip-path: inset(0 0 100% 0); } to { clip-path: inset(0 0 0 0); } }
@keyframes slg-unveil-x { from { clip-path: inset(0 100% 0 0); } to { clip-path: inset(0 0 0 0); } }
@keyframes slg-trail { from { transform: scaleX(0); } to { transform: scaleX(1); } }
.slg-rise { animation: slg-rise var(--dur-2) var(--ease-out) both; }
.slg-page-rise { animation: slg-rise var(--dur-3) var(--ease-out) both; animation-delay: var(--delay, 0ms); }
.slg-page-rise--fast { animation-duration: var(--dur-2); }

/* --------------------------------------------------------------------------
   4. Composants
   -------------------------------------------------------------------------- */

/* Wordmark */
.slg-wordmark { display: inline-flex; align-items: flex-end; position: relative; font: var(--type-wordmark); letter-spacing: var(--ls-wordmark); color: inherit; white-space: nowrap; padding-top: .18em; }
.slg-wordmark__a, .slg-wordmark__b { display: inline-flex; }
.slg-wordmark__b { transform: translateY(var(--wordmark-shift)); }
.slg-wordmark b { display: inline-block; font-weight: 400; }
.slg-wordmark.is-animate b { animation: slg-rise 900ms var(--ease-out) both; animation-delay: calc(var(--i, 0) * var(--stagger)); }

/* Icône */
.slg-icon { flex: none; transition: transform var(--dur-1) var(--ease-out); }

/* Bouton */
.slg-btn { display: inline-flex; align-items: center; gap: 10px; font-family: var(--font-text); font-size: 13px; font-weight: 500; letter-spacing: .04em; text-transform: uppercase; line-height: 1; text-decoration: none; cursor: pointer; border-radius: 0; white-space: nowrap; color: var(--fg); background: transparent; border: 0; transition: background var(--dur-1) var(--ease-out), color var(--dur-1) var(--ease-out), border-color var(--dur-1) var(--ease-out), opacity var(--dur-1) var(--ease-out); }
.slg-btn:hover { opacity: 1; }
.slg-btn--sm { font-size: 12px; }
.slg-btn--lg { font-size: 14px; }
.slg-btn--text { padding: 6px 0; border-bottom: 1px solid transparent; }
.slg-btn--text:hover { border-bottom-color: var(--fg); }
.slg-btn--outline { padding: 14px 20px; border: 1px solid var(--fg); }
.slg-btn--outline:hover { background: var(--fg); color: var(--bg); }
.slg-btn--filled { padding: 14px 20px; border: 1px solid transparent; background: var(--fg); color: var(--bg); }
.slg-btn--filled:hover { background: var(--accent); color: var(--on-accent); }
.slg-btn--sm.slg-btn--outline, .slg-btn--sm.slg-btn--filled { padding: 10px 14px; }
.slg-btn--lg.slg-btn--outline, .slg-btn--lg.slg-btn--filled { padding: 18px 28px; }
.slg-btn--inverse { color: var(--fg-inverse); }
.slg-btn--inverse.slg-btn--filled { background: var(--fg-inverse); color: var(--bg-inverse); }
.slg-btn--inverse.slg-btn--outline { border-color: var(--fg-inverse); }
.slg-btn.has-icon-arrow-up-right:hover .slg-icon { transform: translate(2px, -2px); }
.slg-btn.has-icon-arrow-right:hover .slg-icon { transform: translateX(3px); }
.slg-btn.has-icon-arrow-down:hover .slg-icon { transform: translateY(2px); }
.slg-btn.has-icon-arrow-left:hover .slg-icon { transform: translateX(-3px); }
.slg-btn[disabled] { opacity: .35; pointer-events: none; }

/* Photo */
.slg-photo { position: relative; overflow: hidden; aspect-ratio: var(--ratio, 4 / 5); background: var(--platre); }
.slg-photo__img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; filter: var(--photo-filter); }
.slg-zoom { display: block; overflow: hidden; }
.slg-zoom > * { transition: transform var(--dur-3) var(--ease-out); }
@media (hover: hover) { .slg-zoom:hover > * { transform: scale(var(--hover-scale)); } }
a.slg-zoom:hover { opacity: 1; }

/* Carte projet */
.slg-card { display: block; color: var(--fg); text-decoration: none; opacity: 1; }
.slg-card:hover { opacity: 1; }
.slg-card__media { display: block; position: relative; overflow: hidden; }
.slg-card__media .slg-photo { transition: transform var(--dur-3) var(--ease-out); }
@media (hover: hover) { .slg-card:hover .slg-photo { transform: scale(var(--hover-scale)); } }
.slg-card__index { position: absolute; top: 14px; left: 14px; z-index: 2; font: var(--type-meta); letter-spacing: var(--ls-meta); color: var(--craie); mix-blend-mode: difference; }
.slg-card__head { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; padding-top: 14px; }
.slg-card__title { font: var(--type-h2); letter-spacing: var(--ls-heading); font-weight: 300; }
.slg-card--sm .slg-card__title { font: var(--type-h3); letter-spacing: var(--ls-heading); font-weight: 300; }
.slg-card--lg .slg-card__title { font: var(--type-h1); letter-spacing: var(--ls-heading); }
.slg-card__meta { flex: none; }
.slg-card__rule { display: block; height: 1px; margin-top: 12px; background: var(--fg); transform-origin: left; transform: scaleX(0); transition: transform var(--dur-2) var(--ease-out); }
.slg-card:hover .slg-card__rule, .slg-card:focus-visible .slg-card__rule { transform: scaleX(1); }
.slg-card-wrap { padding: var(--sp-4); margin: calc(-1 * var(--sp-4)); transition: background var(--dur-2) var(--ease-out); }
@media (hover: hover) { .slg-card-wrap:hover { background: var(--teinte); } }
.slg-card-wrap:active { background: var(--teinte); transition-duration: 200ms; }

/* Figure */
.slg-fig { display: grid; gap: 12px; }
.slg-fig__cap { display: flex; }

/* Listes à filets (informations, crédits, équipe) */
.slg-list { display: grid; border-top: 1px solid var(--line); }
.slg-list__row { display: grid; grid-template-columns: 1fr auto; gap: 16px; padding: 14px 0; border-bottom: 1px solid var(--line); align-items: baseline; }
.slg-list__row dt, .slg-list__key { font: var(--type-meta); letter-spacing: var(--ls-meta); text-transform: uppercase; color: var(--fg-2); }
.slg-list__row dd, .slg-list__val { font: var(--type-small); }
.slg-list--half .slg-list__row { grid-template-columns: 1fr 1fr; }
.slg-list--right .slg-list__row dd { text-align: right; }

/* Formulaire */
.slg-field { display: flex; flex-direction: column; gap: 10px; font-family: var(--font-text); color: var(--fg); }
.slg-field__label { font: var(--type-meta); letter-spacing: var(--ls-meta); text-transform: uppercase; color: var(--fg-2); }
.slg-field__input { appearance: none; -webkit-appearance: none; width: 100%; background: transparent; border: 0; border-bottom: 1px solid var(--line); border-radius: 0; padding: 10px 0 12px; font: var(--type-lead); color: var(--fg); outline: none; transition: border-color var(--dur-1) var(--ease-out); }
.slg-field__input::placeholder { color: var(--fg-2); opacity: 1; }
.slg-field__input:focus { border-bottom-color: var(--line-strong); }
.slg-field__input:focus-visible { outline: none; }
textarea.slg-field__input { resize: vertical; min-height: 7.5em; }
.slg-field.is-error .slg-field__label { color: var(--error); }
.slg-field.is-error .slg-field__input { border-bottom-color: var(--error); }
.slg-field__error { font: var(--type-small); color: var(--error); }
.slg-select { position: relative; display: block; }
.slg-select .slg-field__input { padding-right: 28px; cursor: pointer; }
.slg-select .slg-field__input.is-placeholder { color: var(--fg-2); }
.slg-select__chev { position: absolute; right: 0; top: 50%; transform: translateY(-50%); pointer-events: none; color: var(--fg); display: inline-flex; }
.slg-form__hp { position: absolute !important; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.slg-form__status { font: var(--type-small); }
.slg-form__status.is-error { color: var(--error); }
.slg-form__status.is-ok { color: var(--ok); }
.slg-form__status:focus { outline: none; }
.slg-form__foot { display: flex; align-items: center; justify-content: space-between; gap: var(--sp-6); flex-wrap: wrap; padding-top: var(--sp-3); }
.slg-form__hint { font: var(--type-small); color: var(--pierre); }

/* Étapes / index actifs (point fluo) */
.slg-dot { width: 6px; height: 6px; display: inline-block; background: var(--line); transition: background var(--dur-1) var(--ease-out); flex: none; }
.is-active > .slg-dot, .is-active .slg-dot { background: var(--accent); }

/* Titres : <br> masqué en tablette portrait seulement (les maquettes mobiles gardent leurs retours) */
.slg-h br { display: inline; }
@media (min-width: 768px) and (max-width: 1023px) { .slg-h br { display: none; } }
@media (max-width: 767px) { .slg-h--m br { display: none; } }

/* Pages génériques (mentions légales, 404, listes) */
.slg-page { padding: calc(var(--nav-h) + var(--sp-10)) var(--marge) var(--section); }
.slg-page__inner { display: grid; gap: var(--sp-6); max-width: 52rem; }
.slg-page__title { text-wrap: balance; }
.slg-page__actions { display: flex; gap: var(--sp-6); flex-wrap: wrap; }
.slg-page__list .slg-list__row a:hover { opacity: var(--hover-opacity); }
.slg-prose { display: grid; gap: var(--sp-5); max-width: var(--measure); font: var(--type-body); }
.slg-prose h2 { font: var(--type-h2); letter-spacing: var(--ls-heading); margin-top: var(--sp-5); }
.slg-prose h3 { font: var(--type-h3); letter-spacing: var(--ls-heading); margin-top: var(--sp-4); }
.slg-prose ul { list-style: disc; padding-left: 1.2em; display: grid; gap: 6px; }
.slg-prose ol { list-style: decimal; padding-left: 1.2em; display: grid; gap: 6px; }
.slg-prose a { text-decoration: underline; text-underline-offset: 3px; }
.slg-prose strong { font-weight: 500; }

/* --------------------------------------------------------------------------
   5. Header, menu, footer
   -------------------------------------------------------------------------- */
.slg-header { position: fixed; top: 0; left: 0; right: 0; z-index: 60; height: var(--nav-h); display: flex; align-items: center; justify-content: space-between; padding: 0 var(--marge); color: var(--fg); transition: color var(--dur-2) var(--ease-out); }
.slg-header[data-theme="nuit"] { --fg: var(--craie); }
.slg-header.is-menu-open { color: var(--craie); }
.slg-header__brand { display: inline-flex; align-items: center; min-height: 44px; font-size: 28px; color: inherit; opacity: 1; }
.slg-header__brand:hover { opacity: 1; }
.slg-header__nav { display: flex; align-items: center; gap: 28px; }
.slg-navlink { position: relative; display: inline-block; font: var(--type-meta); letter-spacing: var(--ls-meta); text-transform: uppercase; color: inherit; opacity: .55; transition: opacity var(--dur-1) var(--ease-out); padding-bottom: 4px; }
.slg-navlink::before { content: ""; position: absolute; left: -8px; right: -8px; top: -14px; bottom: -14px; }
.slg-navlink:hover, .slg-navlink:focus-visible, .slg-navlink.is-active { opacity: 1; }
.slg-navlink::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1px; background: currentColor; transform-origin: left; transform: scaleX(0); transition: transform var(--dur-2) var(--ease-out); }
.slg-navlink.is-active::after { transform: scaleX(1); }
.slg-header__toggle { display: none; min-height: 44px; min-width: 44px; padding: 0 0 0 12px; color: inherit; font: var(--type-meta); letter-spacing: var(--ls-meta); text-transform: uppercase; align-items: center; gap: 10px; }
.slg-header__square { width: 8px; height: 8px; border: 1px solid currentColor; display: inline-block; transition: background var(--dur-1) var(--ease-out); }
.slg-header[aria-expanded="true"] .slg-header__square, .is-menu-open .slg-header__square { background: currentColor; }

.slg-menu { position: fixed; inset: 0; z-index: 55; display: none; background: var(--encre); color: var(--craie); clip-path: inset(0 0 100% 0); visibility: hidden; transition: clip-path var(--dur-2) var(--ease-out), visibility 0s linear var(--dur-2); grid-template-rows: 1fr auto; padding: 104px var(--marge) 32px; overflow: auto; }
.slg-menu.is-open { clip-path: inset(0 0 0 0); visibility: visible; transition: clip-path var(--dur-2) var(--ease-out), visibility 0s; }
.slg-menu__nav { display: grid; align-content: start; border-top: 1px solid var(--line); }
.slg-menu__link { display: grid; grid-template-columns: 36px 1fr auto; align-items: baseline; gap: 12px; padding: 22px 0; border-bottom: 1px solid var(--line); opacity: 1; min-height: 44px; }
.slg-menu__link:hover { opacity: 1; }
.slg-menu__num { font: var(--type-meta); letter-spacing: var(--ls-meta); color: var(--fg-2); }
.slg-menu__label { font: var(--type-display); letter-spacing: var(--ls-display); font-size: clamp(40px, 12vw, 60px); }
.slg-menu__dot { width: 8px; height: 8px; display: block; background: transparent; }
.slg-menu__link.is-active .slg-menu__dot { background: var(--accent); }
.slg-menu__foot { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; font: var(--type-small); color: var(--fg-2); padding-top: var(--sp-6); }
.slg-menu__mail { grid-column: 1 / 3; color: var(--craie); opacity: 1; min-height: 44px; display: flex; align-items: center; }
body.is-menu-open { overflow: hidden; }

.slg-footer { background: var(--bg); color: var(--fg); padding: var(--section-sm) var(--marge) var(--sp-6); display: grid; gap: var(--sp-9); }
.slg-footer__cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: var(--sp-6); }
.slg-footer__col { display: grid; gap: 14px; align-content: start; font: var(--type-small); color: var(--fg); }
.slg-footer__col a { color: var(--fg); }
.slg-footer__bottom { display: grid; gap: var(--sp-5); }
.slg-footer__mark { font-size: clamp(64px, 13vw, 240px); line-height: 1; overflow: hidden; }
.slg-footer__bar { border-top: 1px solid var(--line); padding-top: var(--sp-4); }
.slg-footer__bar a { color: inherit; }

/* --------------------------------------------------------------------------
   6. Motion : ScrollGrow, passage horizontal
   -------------------------------------------------------------------------- */
.slg-sg { position: relative; height: var(--sg-track, 280vh); --sg-w0: 22vw; --sg-h0: 27.5vw; --sg-amp: 70vw; --sg-e: 0; --sg-split: 0; --sg-t: 1; --sg-cap: 0; --sg-side: 1; }
.slg-sg__sticky { position: sticky; top: 0; height: 100vh; overflow: hidden; display: flex; align-items: center; justify-content: center; background: var(--bg); }
.slg-sg__box { position: relative; overflow: hidden; background: var(--platre); width: calc(var(--sg-w0) + (100vw - var(--sg-w0)) * var(--sg-e)); height: calc(var(--sg-h0) + (100vh - var(--sg-h0)) * var(--sg-e)); max-height: 100vh; will-change: width, height; }
.slg-sg__box .slg-photo, .slg-sg__box > .slg-sg__img { position: absolute; inset: 0; width: 100%; height: 100%; aspect-ratio: auto; }
.slg-sg__img { object-fit: cover; filter: var(--photo-filter); }
.slg-sg__scrim { position: absolute; inset: 0; background: var(--scrim-bottom); opacity: var(--sg-cap); z-index: 2; pointer-events: none; }
.slg-sg__cap { position: absolute; left: 24px; bottom: 24px; z-index: 3; font: var(--type-meta); letter-spacing: var(--ls-meta); text-transform: uppercase; color: var(--craie); opacity: var(--sg-cap); }
.slg-sg__title { position: absolute; inset: 0; margin: 0; display: grid; align-content: center; justify-items: center; font: var(--type-display); letter-spacing: var(--ls-display); font-size: clamp(56px, 8.5vw, 150px); color: var(--craie); mix-blend-mode: difference; pointer-events: none; z-index: 3; white-space: nowrap; }
.slg-sg__title > span { display: block; opacity: var(--sg-t); will-change: transform; }
.slg-sg__l { transform: translateX(calc(var(--sg-split) * -1 * var(--sg-amp))); }
.slg-sg__r { transform: translateX(calc(var(--sg-split) * var(--sg-amp))); }
.slg-sg__side { position: absolute; top: 50%; transform: translateY(-50%); font: var(--type-meta); letter-spacing: var(--ls-meta); text-transform: uppercase; color: var(--ombre); opacity: var(--sg-side); writing-mode: vertical-rl; z-index: 3; }
.slg-sg__side--l { left: var(--marge); }
.slg-sg__side--r { right: var(--marge); }

.slg-strip { position: relative; height: var(--strip-h, 300vh); }
.slg-strip__sticky { position: sticky; top: 0; height: 100vh; overflow: hidden; display: flex; flex-direction: column; justify-content: center; }
.slg-strip__head { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; padding: 0 var(--marge); margin-bottom: 28px; }
.slg-strip__title { font: var(--type-meta); letter-spacing: var(--ls-meta); text-transform: uppercase; color: var(--fg-2); }
.slg-strip__hint { display: none; font: var(--type-meta); letter-spacing: var(--ls-meta); text-transform: uppercase; color: var(--fg-2); }
.slg-strip__track { display: flex; gap: var(--gutter); padding: 0 var(--marge); width: max-content; will-change: transform; }
.slg-strip__item { height: 62vh; display: grid; grid-template-rows: auto auto; align-content: start; gap: 14px; align-self: start; }
.slg-strip__item.is-end { align-self: end; }
.slg-strip__photo { height: calc(62vh - 40px); aspect-ratio: var(--ratio, 3 / 2); }
.slg-strip__photo .slg-photo { height: 100%; aspect-ratio: auto; }
.slg-strip__text { height: 62vh; display: flex; align-items: center; padding: 0 var(--marge) 0 var(--sp-8); max-width: 34vw; box-sizing: content-box; }

/* --------------------------------------------------------------------------
   7. Responsive commun
   -------------------------------------------------------------------------- */
@media (max-width: 1180px) {
  :root { --marge: clamp(20px, 4.2vw, 40px); --gutter: 20px; --section: clamp(96px, 12vw, 140px); --section-sm: clamp(56px, 7vw, 80px); }
}

@media (max-width: 1023px) {
  :root { --nav-h: 64px; --grid: repeat(8, minmax(0, 1fr)); }
  .slg-header { height: 64px; }
  .slg-header__brand { font-size: 26px; }
  .slg-header__nav { display: none; }
  .slg-header__toggle { display: inline-flex; }
  .slg-menu { display: grid; }
  .slg-strip { height: auto; }
  .slg-strip__sticky { position: static; height: auto; display: grid; gap: 24px; overflow: visible; }
  .slg-strip__head { margin-bottom: 0; }
  .slg-strip__title { font: var(--type-h2); letter-spacing: var(--ls-heading); font-weight: 400; text-transform: none; color: var(--fg); }
  .slg-strip__hint { display: inline; }
  .slg-strip__track { overflow-x: auto; scroll-snap-type: x mandatory; width: auto; padding: 0 var(--marge) 8px; gap: 12px; scrollbar-width: none; transform: none !important; }
  .slg-strip__track::-webkit-scrollbar { display: none; }
  .slg-strip__item { flex: none; width: 60vw; scroll-snap-align: start; height: auto; gap: 10px; align-self: auto; }
  .slg-strip__photo { height: auto; aspect-ratio: 4 / 5; }
  .slg-strip__photo .slg-photo { height: auto; aspect-ratio: 4 / 5; }
  .slg-strip__text { height: auto; flex: none; width: 60vw; scroll-snap-align: start; max-width: none; padding: 0 var(--marge) 0 0; }
  .slg-sg { --sg-w0: 60vw; --sg-h0: 75vw; --sg-amp: 60vw; --sg-track: 200vh; }
  .slg-sg__side { display: none; }
}

@media (max-width: 899px) {
  .slg-footer__cols { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 767px) {
  .slg-footer__cols { grid-template-columns: 1fr; }
  .slg-footer__col--studio { order: 1; }
  .slg-footer__col--ecrire { order: 2; }
  .slg-footer__col--marseille { order: 3; }
  .slg-footer__col--paris { order: 4; }
  .slg-strip__item, .slg-strip__text { width: 76vw; }
  .slg-sg { --sg-w0: 58vw; --sg-h0: 72vw; }
  .slg-sg__title { font-size: clamp(40px, 12vw, 64px); }
  .slg-sg__cap { left: 20px; }
  .slg-menu__foot { padding-top: var(--sp-5); }
  .slg-list--right .slg-list__row { grid-template-columns: 96px 1fr; }
  .slg-list--right .slg-list__row dd { text-align: left; }
  .slg-list--half .slg-list__row { grid-template-columns: 1fr; gap: 4px; }
}

@media (min-width: 1024px) and (max-width: 1180px) {
  .slg-sg { --sg-w0: 46vw; --sg-h0: 57.5vw; --sg-amp: 60vw; --sg-track: 240vh; }
}

@media (prefers-reduced-motion: reduce) {
  :root { --dur-1: 0ms; --dur-2: 0ms; --dur-3: 0ms; --dur-4: 0ms; }
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-delay: 0ms !important; transition-duration: 0.001ms !important; }
  .slg-sg { height: 100vh; --sg-e: 1; --sg-cap: 1; --sg-split: 0; --sg-t: 1; --sg-side: 0; }
  .slg-sg__title { position: relative; inset: auto; z-index: 3; }
  .slg-sg__sticky { position: relative; display: grid; align-content: center; justify-items: center; }
  .slg-sg__box { position: absolute; inset: 0; width: 100%; height: 100%; }
  .slg-strip { height: auto; }
  .slg-strip__sticky { position: static; height: auto; overflow: visible; }
  .slg-strip__track { overflow-x: auto; width: auto; transform: none !important; }
}