/* =====================================================================
   HÉRITAGES — Feuille de style
   Construite à partir de la charte graphique (octobre 2025).
   1. Polices  2. Tokens  3. Base  4. Typographie  5. Mise en page
   6. Composants  7. Header/Menu  8. Sections  9. Pages  10. Footer
   11. Animations  12. Responsive
   ===================================================================== */

/* 1. POLICES ----------------------------------------------------------
   Titres : Merriweather (charte).
   Texte : la charte prescrit Gilroy (police commerciale, licence requise).
   En attendant les fichiers web sous licence, Figtree — géométrique,
   proche de Gilroy — est utilisée. Pour basculer : déposer les fichiers
   Gilroy dans /assets/fonts/, décommenter les @font-face « Gilroy »
   et placer "Gilroy" en tête de --font-sans. */
@font-face { font-family: "Merriweather"; src: url("../fonts/merriweather-latin-300-normal.woff2") format("woff2"); font-weight: 300; font-style: normal; font-display: swap; }
@font-face { font-family: "Merriweather"; src: url("../fonts/merriweather-latin-300-italic.woff2") format("woff2"); font-weight: 300; font-style: italic; font-display: swap; }
@font-face { font-family: "Merriweather"; src: url("../fonts/merriweather-latin-400-normal.woff2") format("woff2"); font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: "Merriweather"; src: url("../fonts/merriweather-latin-500-normal.woff2") format("woff2"); font-weight: 500; font-style: normal; font-display: swap; }
@font-face { font-family: "Figtree"; src: url("../fonts/figtree-latin-400-normal.woff2") format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Figtree"; src: url("../fonts/figtree-latin-500-normal.woff2") format("woff2"); font-weight: 500; font-display: swap; }
@font-face { font-family: "Figtree"; src: url("../fonts/figtree-latin-600-normal.woff2") format("woff2"); font-weight: 600; font-display: swap; }
/*
@font-face { font-family: "Gilroy"; src: url("../fonts/Gilroy-Regular.woff2") format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Gilroy"; src: url("../fonts/Gilroy-Medium.woff2") format("woff2"); font-weight: 500; font-display: swap; }
@font-face { font-family: "Gilroy"; src: url("../fonts/Gilroy-SemiBold.woff2") format("woff2"); font-weight: 600; font-display: swap; }
*/

/* 2. TOKENS ------------------------------------------------------------ */
:root {
  /* Palette officielle */
  --blanc: #ffffff;          /* Carreau blanc */
  --mer: #00138b;            /* Bleu de mer — couleur principale */
  --ciel: #8ab2c9;           /* Bleu ciel — fonds secondaires, aplats doux */
  --grec: #1262ef;           /* Bleu grec — accents visuels et titres */
  /* Déclinaisons dérivées (teintes de la palette) */
  --mer-900: #000d63;
  --ciel-soft: #e3ecf2;      /* aplat très doux issu du Bleu ciel */
  --paper: #f3f3f1;          /* ton du « Papier grec » */
  --ink: var(--mer);
  --ink-soft: #37417c;       /* texte courant secondaire (AAA sur blanc) */
  --line: rgba(0, 19, 139, .14);
  --line-strong: rgba(0, 19, 139, .28);

  --font-serif: "Merriweather", Georgia, "Times New Roman", serif;
  --font-sans: "Figtree", "Helvetica Neue", Arial, system-ui, sans-serif;

  --container: 1240px;
  --gutter: clamp(20px, 4vw, 48px);
  --section-y: clamp(64px, 8vw, 112px);
  --radius: 4px;
  --radius-pill: 999px;
  --header-h: 78px;
  --ease: cubic-bezier(.22, .61, .36, 1);
}

/* 3. BASE -------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 16px); }
body {
  margin: 0; background: var(--blanc); color: var(--ink);
  font-family: var(--font-sans); font-size: 17px; line-height: 1.65; font-weight: 400;
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
ul[role="list"], ol[role="list"] { list-style: none; margin: 0; padding: 0; }
p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }
h1, h2, h3, h4 { margin: 0; font-weight: 400; }
button { font: inherit; color: inherit; }
main { display: block; }
main:focus { outline: none; }
::selection { background: var(--mer); color: var(--blanc); }
:focus-visible { outline: 2px solid var(--grec); outline-offset: 3px; border-radius: 2px; }
.band :focus-visible, .site-footer :focus-visible, .mobile-menu :focus-visible, .coords :focus-visible { outline-color: var(--blanc); }

.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; }
.skip-link { position: absolute; left: 16px; top: -60px; z-index: 100; background: var(--mer); color: var(--blanc); padding: 10px 18px; border-radius: var(--radius-pill); text-decoration: none; font-weight: 500; transition: top .2s; }
.skip-link:focus { top: 12px; }
.nowrap { white-space: nowrap; }
.todo { background: #fff3c4; color: #5b4500; padding: 1px 6px; border-radius: 3px; font-size: .9em; font-family: var(--font-sans); }

/* 4. TYPOGRAPHIE ---------------------------------------------------------
   Hiérarchie de la charte : titres Merriweather, texte Gilroy/Figtree. */
.display {
  font-family: var(--font-serif); font-weight: 300;
  font-size: clamp(2.35rem, 1.2rem + 3.9vw, 4.35rem);
  line-height: 1.1; letter-spacing: -.012em; color: var(--mer);
  text-wrap: balance;
}
.display--sm { font-size: clamp(2.1rem, 1.3rem + 2.6vw, 3.3rem); }
.h2 {
  font-family: var(--font-serif); font-weight: 300;
  font-size: clamp(1.8rem, 1.15rem + 2.1vw, 2.85rem);
  line-height: 1.16; letter-spacing: -.008em; text-wrap: balance;
}
.h3 { font-family: var(--font-serif); font-weight: 400; font-size: clamp(1.25rem, 1.05rem + .6vw, 1.55rem); line-height: 1.3; }
.lead { font-size: clamp(1.06rem, .98rem + .35vw, 1.24rem); line-height: 1.6; color: var(--ink-soft); max-width: 36em; font-weight: 400; }
.quote { font-family: var(--font-serif); font-weight: 300; font-size: clamp(1.45rem, 1rem + 1.55vw, 2.2rem); line-height: 1.35; text-wrap: pretty; }
.label { font-family: var(--font-sans); font-size: .76rem; font-weight: 600; letter-spacing: .16em; text-transform: uppercase; color: var(--grec); margin: 0 0 14px; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px; margin: 0 0 20px;
  font-size: .76rem; font-weight: 600; letter-spacing: .16em; text-transform: uppercase; color: var(--grec);
}
.eyebrow__mark {
  width: 11px; height: 11px; flex: none; background: currentColor;
  -webkit-mask: url("../motifs/carreau-croix.webp") center / contain no-repeat;
          mask: url("../motifs/carreau-croix.webp") center / contain no-repeat;
}
.eyebrow--light { color: var(--ciel); }
.prose p { color: var(--ink-soft); }
.prose h2 { font-family: var(--font-serif); font-weight: 400; font-size: 1.45rem; line-height: 1.3; color: var(--mer); margin: 2.2em 0 .7em; }
.prose h2:first-child { margin-top: 0; }
.prose ul { padding-left: 1.1em; color: var(--ink-soft); margin: 0 0 1em; }
.prose li { margin-bottom: .35em; }
.prose li::marker { color: var(--grec); }
.prose a { color: var(--grec); text-underline-offset: 3px; }
.prose strong { color: var(--mer); font-weight: 600; }
.prose em { font-style: italic; }

/* 5. MISE EN PAGE -------------------------------------------------------- */
.container { width: 100%; max-width: calc(var(--container) + 2 * var(--gutter)); margin-inline: auto; padding-inline: var(--gutter); }
.section { padding-block: var(--section-y); position: relative; }
.section-head { max-width: 760px; margin-bottom: clamp(36px, 4.5vw, 56px); }
.section-head .h2 { color: var(--mer); }
.section-head__lead { margin-top: 18px; color: var(--ink-soft); font-size: 1.08rem; max-width: 40em; }
.section-head--center { text-align: center; margin-inline: auto; }
.actions { display: flex; flex-wrap: wrap; gap: 14px 16px; align-items: center; margin-top: 34px; }
.actions--center { justify-content: center; }
.center-actions { display: flex; justify-content: center; margin-top: 48px; }

/* Textures de la charte */
.texture-paper { background: var(--paper) url("../textures/papier-grec.webp") center / cover; }
.texture-sky { background-color: var(--ciel-soft); }
.texture-sky::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: url("../textures/papier-grec-2.webp") center / cover; mix-blend-mode: multiply; opacity: .35;
}
.texture-sky > * { position: relative; }

/* 6. COMPOSANTS ---------------------------------------------------------- */
/* Boutons — pilule, comme la maquette web de la charte */
.btn {
  --bg: var(--mer); --fg: var(--blanc); --bd: var(--mer);
  display: inline-flex; align-items: center; gap: 12px; min-height: 50px; padding: 12px 24px 12px 26px;
  border-radius: var(--radius-pill); border: 1.5px solid var(--bd); background: var(--bg); color: var(--fg);
  font-family: var(--font-sans); font-size: .98rem; font-weight: 500; letter-spacing: .005em; text-decoration: none; cursor: pointer;
  transition: background-color .35s var(--ease), color .35s var(--ease), border-color .35s var(--ease), transform .35s var(--ease);
}
.btn .i-arrow { width: 18px; height: 18px; transition: transform .35s var(--ease); }
.btn:hover { --bg: var(--grec); --bd: var(--grec); }
.btn:hover .i-arrow, .text-link:hover .i-arrow { transform: translateX(4px); }
.btn:active { transform: translateY(1px); }
.btn--outline { --bg: transparent; --fg: var(--mer); --bd: var(--line-strong); }
.btn--outline:hover { --bg: var(--mer); --fg: var(--blanc); --bd: var(--mer); }
.btn--light { --bg: var(--blanc); --fg: var(--mer); --bd: var(--blanc); }
.btn--light:hover { --bg: transparent; --fg: var(--blanc); --bd: var(--blanc); }
.btn--sm { min-height: 42px; padding: 8px 18px 8px 20px; font-size: .92rem; }
.btn--sm .i-arrow { width: 16px; height: 16px; }

.text-link {
  display: inline-flex; align-items: center; gap: 10px; margin-top: 8px; padding: 6px 0;
  color: var(--grec); font-weight: 500; text-decoration: none; background: none; border: 0; cursor: pointer;
  border-bottom: 1px solid currentColor;
}
.text-link .i-arrow { width: 16px; height: 16px; transition: transform .35s var(--ease); }
.i { width: 20px; height: 20px; flex: none; }

/* Motifs officiels (masques colorisés en CSS) */
.motif {
  display: block; background-color: currentColor; pointer-events: none;
  -webkit-mask-position: center; mask-position: center; -webkit-mask-size: contain; mask-size: contain; -webkit-mask-repeat: no-repeat; mask-repeat: no-repeat;
}

/* Image dans le carreau quadrilobe (signature de la charte) */
.quatrefoil { margin: 0; aspect-ratio: 1; position: relative; -webkit-mask-position: center; mask-position: center; -webkit-mask-size: contain; mask-size: contain; -webkit-mask-repeat: no-repeat; mask-repeat: no-repeat; background: var(--ciel-soft); }
.quatrefoil img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(1) contrast(1.04); transition: transform 1.6s var(--ease); }
.quatrefoil:hover img { transform: scale(1.03); }
.quatrefoil--tint { background: var(--ciel); }
.quatrefoil--tint img { mix-blend-mode: multiply; filter: grayscale(1) contrast(1.25) brightness(1.02); }

/* Étiquettes */
.tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px !important; }
.tags li { font-size: .84rem; font-weight: 500; padding: 6px 14px; border-radius: var(--radius-pill); background: var(--ciel-soft); color: var(--mer); }
.tags--outline li { background: transparent; border: 1px solid var(--line-strong); }

.checklist li { position: relative; padding-left: 26px; margin-bottom: 10px; color: var(--ink-soft); }
.checklist li::before {
  content: ""; position: absolute; left: 0; top: .5em; width: 11px; height: 11px; background: var(--grec);
  -webkit-mask: url("../motifs/carreau-quadrilobe.webp") center / contain no-repeat; mask: url("../motifs/carreau-quadrilobe.webp") center / contain no-repeat;
}

.dot { display: inline-block; width: 7px; height: 7px; background: currentColor; -webkit-mask: url("../motifs/carreau-croix.webp") center / contain no-repeat; mask: url("../motifs/carreau-croix.webp") center / contain no-repeat; }

/* Réseaux */
.socials { display: flex; flex-wrap: wrap; gap: 10px; }
.socials a { display: inline-flex; align-items: center; gap: 9px; text-decoration: none; font-weight: 500; font-size: .95rem; padding: 8px 16px 8px 12px; border: 1px solid var(--line-strong); border-radius: var(--radius-pill); transition: background-color .3s, color .3s, border-color .3s; }
.socials a:hover { background: var(--mer); color: var(--blanc); border-color: var(--mer); }
.socials--light a { border-color: rgba(255,255,255,.35); color: var(--blanc); }
.socials--light a:hover { background: var(--blanc); color: var(--mer); border-color: var(--blanc); }
.socials--stack { flex-direction: column; align-items: flex-start; gap: 10px; }
.socials--stack a { border: 0; padding: 0; }
.socials--stack a:hover { background: none; color: var(--ciel); }

/* Bandes Bleu de mer / Bleu ciel avec mosaïque en filigrane (opacité 10–20 % — charte) */
.band { overflow: hidden; isolation: isolate; }
.band--mer { background: var(--mer); color: var(--blanc); }
.band--mer .h2, .band--mer .h3 { color: var(--blanc); }
.band--sky { background: var(--ciel); color: var(--mer); }
.band__watermark { position: absolute; z-index: -1; color: var(--blanc); opacity: .1; width: min(560px, 70vw); aspect-ratio: 1000 / 1213; will-change: transform; }
.band__watermark--right { right: -120px; top: 50%; translate: 0 -50%; }
.band__watermark--left { left: -160px; top: 50%; translate: 0 -50%; }
.band__watermark--center { left: 50%; top: 50%; translate: -50% -50%; width: min(620px, 90vw); }
.band__watermark--mer { color: var(--mer); opacity: .12; }

/* 7. HEADER & MENU ------------------------------------------------------- */
.site-header {
  position: sticky; top: env(safe-area-inset-top, 0px); z-index: 50; height: var(--header-h);
  background: rgba(255,255,255,.92); backdrop-filter: saturate(1.4) blur(12px); -webkit-backdrop-filter: saturate(1.4) blur(12px);
  border-bottom: 1px solid transparent; transition: border-color .3s, box-shadow .3s;
}
.site-header.is-scrolled { border-bottom-color: var(--line); box-shadow: 0 6px 24px -18px rgba(0,19,139,.35); }
.site-header__inner { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.site-header__logo { display: block; flex: none; padding: 6px 0; }
.site-header__logo img { height: 36px; width: auto; }
.nav { display: flex; align-items: center; gap: clamp(20px, 2.6vw, 40px); }
.nav__list { display: flex; gap: clamp(18px, 2.4vw, 36px); }
.nav__link { position: relative; display: inline-block; padding: 8px 0; text-decoration: none; font-size: .96rem; font-weight: 500; color: var(--mer); }
.nav__link::after {
  content: ""; position: absolute; left: 50%; bottom: -6px; width: 9px; height: 9px; translate: -50% 0; scale: 0; background: var(--grec);
  -webkit-mask: url("../motifs/carreau-croix.webp") center / contain no-repeat; mask: url("../motifs/carreau-croix.webp") center / contain no-repeat;
  transition: scale .35s var(--ease);
}
.nav__link:hover::after, .nav__link[aria-current="page"]::after { scale: 1; }
.nav__link[aria-current="page"] { color: var(--grec); }

.burger { display: none; width: 48px; height: 48px; margin-right: -10px; border: 0; background: none; cursor: pointer; position: relative; z-index: 70; border-radius: 50%; }
.burger__lines { position: absolute; inset: 0; display: grid; place-content: center; gap: 7px; }
.burger__lines span { display: block; width: 26px; height: 1.6px; background: var(--mer); transition: transform .4s var(--ease), background-color .3s; }
.burger[aria-expanded="true"] .burger__lines span { background: var(--blanc); }
.burger[aria-expanded="true"] .burger__lines span:first-child { transform: translateY(4.3px) rotate(45deg); }
.burger[aria-expanded="true"] .burger__lines span:last-child { transform: translateY(-4.3px) rotate(-45deg); }

.mobile-menu { position: fixed; inset: 0; z-index: 60; background: var(--mer); color: var(--blanc); overflow-y: auto; opacity: 0; transition: opacity .35s var(--ease); }
.mobile-menu.is-open { opacity: 1; }
.mobile-menu__watermark { position: absolute; right: -30%; bottom: -8%; width: 110vw; max-width: 620px; aspect-ratio: 1000/1213; color: var(--blanc); opacity: .08; }
.mobile-menu__inner { position: relative; min-height: 100%; display: flex; flex-direction: column; justify-content: space-between; padding-top: calc(var(--header-h) + 28px); padding-bottom: 32px; gap: 40px; }
.mobile-menu__list li { border-bottom: 1px solid rgba(255,255,255,.14); opacity: 0; transform: translateY(12px); transition: opacity .5s var(--ease), transform .5s var(--ease); transition-delay: calc(var(--i) * 50ms + 80ms); }
.mobile-menu.is-open .mobile-menu__list li { opacity: 1; transform: none; }
.mobile-menu__list a { display: block; padding: 16px 0; font-family: var(--font-serif); font-weight: 300; font-size: clamp(1.7rem, 7vw, 2.3rem); line-height: 1.2; text-decoration: none; }
.mobile-menu__list a[aria-current="page"] { color: var(--ciel); }
.mobile-menu__foot { display: grid; gap: 20px; }
.mobile-menu__mail { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 500; }
body.menu-open { overflow: hidden; }
body.menu-open .site-header { background: transparent; border-color: transparent; box-shadow: none; backdrop-filter: none; -webkit-backdrop-filter: none; }
body.menu-open .site-header { z-index: 65; }
body.menu-open .site-header__logo img { filter: brightness(0) invert(1); }

/* 8. SECTIONS ------------------------------------------------------------ */
/* Hero */
.hero { position: relative; overflow: hidden; padding: clamp(48px, 7vw, 96px) 0 0; }
.hero__grid { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr); gap: clamp(32px, 5vw, 80px); align-items: center; }
.hero__title { max-width: 12.5em; }
.hero .lead { margin-top: 26px; }
.hero__media { position: relative; justify-self: end; width: min(100%, 520px); }
.hero__ornament { position: absolute; left: -9%; bottom: -4%; width: 34%; aspect-ratio: 600/608; color: var(--mer); }
.hero__motto {
  display: flex; align-items: center; justify-content: center; gap: clamp(14px, 2.5vw, 34px);
  margin-top: clamp(48px, 6vw, 80px); padding-block: 22px; border-top: 1px solid var(--line);
  font-family: var(--font-serif); font-weight: 300; font-size: clamp(1rem, .85rem + .6vw, 1.35rem); color: var(--mer); letter-spacing: .02em;
}
.hero__motto .dot { color: var(--grec); }

/* Manifeste */
.manifesto__grid { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: clamp(24px, 5vw, 80px); }
.manifesto .quote { color: var(--mer); max-width: 26em; }
.manifesto__body { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 24px 48px; align-items: end; margin-top: 36px; padding-top: 32px; border-top: 1px solid var(--line); max-width: 920px; }
.manifesto__body p { color: var(--ink-soft); max-width: 38em; margin: 0; }

/* Domaines (accueil) */
.domains__grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(16px, 2vw, 28px); }
.domain { position: relative; overflow: hidden; isolation: isolate; padding: clamp(32px, 4vw, 52px); background: var(--blanc); border: 1px solid var(--line); border-radius: var(--radius); display: flex; flex-direction: column; min-height: 340px; }
.domain .h3 { color: var(--mer); font-size: clamp(1.5rem, 1.2rem + .9vw, 2rem); font-weight: 300; margin-bottom: 14px; }
.domain p { color: var(--ink-soft); max-width: 30em; }
.domain .tags { margin-top: auto !important; padding-top: 28px; }
.domain__num { font-family: var(--font-serif); font-weight: 300; font-size: 1.1rem; color: var(--grec); margin-bottom: 36px; display: inline-flex; align-items: center; gap: 12px; }
.domain__num::after { content: ""; width: 40px; height: 1px; background: currentColor; }
.domain--mer { background: var(--mer); border-color: var(--mer); color: var(--blanc); }
.domain--mer .h3, .domain--mer p { color: var(--blanc); }
.domain--mer p { opacity: .86; }
.domain--mer .domain__num { color: var(--ciel); }
.domain--mer .tags li { background: rgba(255,255,255,.12); color: var(--blanc); }
.domain__watermark { position: absolute; z-index: -1; right: -18%; bottom: -30%; width: 70%; aspect-ratio: 1; color: var(--blanc); opacity: .1; }
.domains__foot { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px 32px; margin-top: 32px; }
.formats { display: flex; align-items: center; flex-wrap: wrap; gap: 10px 14px; margin: 0; font-family: var(--font-serif); font-weight: 300; font-size: 1.15rem; color: var(--mer); }
.formats > span:first-child { font-family: var(--font-sans); font-size: .76rem; font-weight: 600; letter-spacing: .16em; text-transform: uppercase; color: var(--grec); margin-right: 8px; }
.formats .dot { color: var(--grec); }

/* Approche (bande) */
.approach-band__grid { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: clamp(40px, 6vw, 96px); align-items: start; }
.approach-band__intro { position: sticky; top: calc(var(--header-h) + 40px); }
.approach-band__intro .h2 { margin-bottom: 34px; max-width: 11em; }
.pillars { display: grid; }
.pillar { display: grid; grid-template-columns: 64px 1fr; gap: 20px; padding: 26px 0; border-top: 1px solid rgba(255,255,255,.18); }
.pillar:last-child { border-bottom: 1px solid rgba(255,255,255,.18); }
.pillar__num { font-family: var(--font-serif); font-weight: 300; font-size: 1.7rem; line-height: 1.1; color: var(--ciel); }
.pillar h3 { font-family: var(--font-serif); font-weight: 400; font-size: 1.3rem; line-height: 1.3; margin-bottom: 6px; }
.pillar p { opacity: .82; margin: 0; }

/* Publics */
.audiences__grid { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); gap: clamp(40px, 6vw, 96px); align-items: center; }
.audiences__grid .section-head { margin-bottom: 0; }
.audiences .quatrefoil--small { width: min(220px, 60%); margin-top: 36px; }
.audiences__list { display: grid; grid-template-columns: 1fr 1fr; gap: 0 clamp(24px, 3vw, 48px); }
.audience { display: grid; grid-template-columns: 40px 1fr; gap: 18px; padding: 28px 0; border-top: 1px solid var(--line-strong); }
.audience__icon { width: 30px; height: 30px; color: var(--mer); margin-top: 4px; }
.audience__icon--grec { color: var(--grec); }
.audience h3 { font-family: var(--font-serif); font-weight: 400; font-size: 1.18rem; line-height: 1.35; color: var(--mer); margin-bottom: 6px; }
.audience p { color: var(--ink-soft); margin: 0; }
.audiences__list--row { grid-template-columns: repeat(4, 1fr); }
.audiences__list--row .audience { grid-template-columns: 1fr; gap: 14px; padding-right: 8px; }

/* Plateforme (annonce secondaire) */
.platform { padding-block: clamp(48px, 6vw, 80px); }
.platform__card { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: clamp(20px, 3vw, 44px); align-items: center; padding: clamp(24px, 3vw, 40px) clamp(24px, 4vw, 52px); border: 1px solid var(--line); border-radius: var(--radius); background: linear-gradient(var(--blanc), var(--blanc)) padding-box; position: relative; }
.platform__card::before { content: ""; position: absolute; left: -1px; top: 20%; bottom: 20%; width: 3px; background: var(--grec); border-radius: 2px; }
.platform__symbol { width: clamp(72px, 8vw, 104px); height: auto; }
.platform__text .eyebrow { margin-bottom: 10px; }
.platform__text .h3 { color: var(--mer); margin-bottom: 8px; }
.platform__text p { color: var(--ink-soft); margin: 0; max-width: 46em; font-size: .98rem; }

/* Bandeau contact */
.contact-band__grid { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, .7fr); gap: clamp(40px, 6vw, 96px); align-items: center; }
.contact-band .h2 { max-width: 13em; }
.contact-band__text { margin-top: 20px; opacity: .85; max-width: 34em; }
.contact-band__mail { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 500; border-bottom: 1px solid rgba(255,255,255,.4); padding: 4px 0; transition: border-color .3s; }
.contact-band__mail:hover { border-color: var(--blanc); }
.contact-band__side { display: flex; flex-direction: column; align-items: center; text-align: center; gap: 14px; }
.contact-band__relief { width: clamp(130px, 14vw, 190px); height: auto; margin-bottom: 14px; filter: drop-shadow(0 18px 30px rgba(0,0,0,.25)); }
.contact-band__follow { font-size: .76rem; font-weight: 600; letter-spacing: .16em; text-transform: uppercase; color: var(--ciel); margin: 0; }
.contact-band .socials { justify-content: center; }

/* 9. PAGES --------------------------------------------------------------- */
/* En-tête des pages intérieures */
.page-hero { position: relative; overflow: hidden; padding-block: clamp(48px, 6.5vw, 88px); }
.page-hero__grid { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, .75fr); gap: clamp(32px, 5vw, 80px); align-items: center; }
.page-hero .display { max-width: 13em; }
.page-hero .lead { margin-top: 24px; }
.page-hero__media { position: relative; justify-self: end; width: min(100%, 400px); }
.page-hero__ornament { position: absolute; left: -12%; bottom: -6%; width: 36%; aspect-ratio: 600/608; color: var(--mer); }
.page-hero--legal, .page-hero--contact { padding-block: clamp(48px, 6vw, 80px) clamp(40px, 5vw, 64px); }
.page-hero--404 { min-height: 56vh; display: flex; align-items: center; }
.page-hero__corner { position: absolute; right: -60px; top: -60px; width: min(420px, 50vw); aspect-ratio: 1; color: var(--mer); opacity: .12; }

/* Le centre — Nom */
.naming__grid { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: clamp(40px, 6vw, 96px); align-items: start; }
.naming__figure { margin: 0; position: sticky; top: calc(var(--header-h) + 32px); border-radius: var(--radius); overflow: hidden; aspect-ratio: 4/5; }
.naming__figure img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(1); }
.naming__text .h2 { color: var(--mer); margin-bottom: 26px; }
.naming__text .h2 em { font-style: italic; }
.symbols { display: grid; grid-template-columns: 1fr 1fr; gap: 0 36px; margin: 40px 0 0; }
.symbol { padding: 22px 0; border-top: 1px solid var(--line-strong); }
.symbol dt { font-family: var(--font-serif); font-weight: 400; font-size: 1.15rem; color: var(--mer); margin-bottom: 6px; }
.symbol dd { margin: 0; color: var(--ink-soft); font-size: .98rem; }

/* Le centre — Valeurs */
.values .section-head { margin-bottom: 36px; }
.values__list { display: grid; grid-template-columns: repeat(3, 1fr); }
.value { text-align: center; padding: 8px clamp(16px, 3vw, 40px); }
.value + .value { border-left: 1px solid rgba(255,255,255,.18); }
.value__word { font-family: var(--font-serif); font-weight: 300; font-size: clamp(2.2rem, 1.4rem + 2.6vw, 3.6rem); line-height: 1.1; margin: 0 0 18px; color: var(--blanc); }
.value p { opacity: .82; max-width: 22em; margin-inline: auto; }

/* Le centre — Trio */
.trio { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(16px, 2vw, 28px); }
.trio__item { padding: clamp(28px, 3vw, 40px); border: 1px solid var(--line); border-radius: var(--radius); background: var(--blanc); }
.trio__icon { width: 34px; height: 34px; color: var(--grec); margin-bottom: 26px; }
.trio__item .h3 { color: var(--mer); margin-bottom: 12px; }
.trio__item p { color: var(--ink-soft); }
.trio__item .checklist { margin-top: 16px; }

/* Formations */
.subnav { position: relative; margin-top: -28px; z-index: 2; }
.subnav ul { display: flex; flex-wrap: wrap; gap: 8px; padding: 10px; background: var(--blanc); border: 1px solid var(--line); border-radius: var(--radius-pill); width: fit-content; box-shadow: 0 16px 40px -28px rgba(0,19,139,.45); }
.subnav a { display: inline-flex; align-items: center; gap: 10px; padding: 9px 18px 9px 12px; border-radius: var(--radius-pill); text-decoration: none; font-weight: 500; font-size: .94rem; transition: background-color .3s, color .3s; }
.subnav a:hover { background: var(--ciel-soft); }
.subnav__num { display: grid; place-items: center; min-width: 28px; height: 28px; border-radius: 50%; background: var(--mer); color: var(--blanc); font-family: var(--font-serif); font-size: .78rem; }
.domain-detail__grid { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: clamp(40px, 6vw, 96px); align-items: start; }
.domain-detail__num { display: block; font-family: var(--font-serif); font-weight: 300; font-size: clamp(4rem, 3rem + 4vw, 7rem); line-height: .9; color: var(--ciel); margin-bottom: 18px; }
.domain-detail__head .h2 { color: var(--mer); margin-bottom: 20px; }
.domain-detail__body { display: grid; gap: 36px; padding-top: 8px; }
.domain-detail__block { padding-top: 24px; border-top: 1px solid var(--line-strong); }
.themes { display: grid; gap: 4px; }
.themes li { display: flex; align-items: center; gap: 14px; font-family: var(--font-serif); font-weight: 300; font-size: clamp(1.4rem, 1.1rem + 1vw, 1.9rem); color: var(--mer); padding: 6px 0; }
.themes__mark { width: 16px; height: 16px; color: var(--grec); flex: none; }
.formats-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(16px, 2vw, 28px); }
.format { padding: clamp(28px, 3.5vw, 44px); border: 1px solid rgba(255,255,255,.22); border-radius: var(--radius); }
.format__icon { width: 36px; height: 36px; color: var(--ciel); margin-bottom: 28px; }
.format .h3 { font-size: clamp(1.5rem, 1.2rem + .8vw, 1.9rem); font-weight: 300; margin-bottom: 10px; }
.format p { opacity: .84; margin: 0; }
.formats-band .section-head { max-width: 640px; }
.catalogue__card { position: relative; overflow: hidden; isolation: isolate; text-align: center; padding: clamp(40px, 6vw, 80px) clamp(24px, 6vw, 96px); background: var(--paper) url("../textures/papier-grec.webp") center / cover; border-radius: var(--radius); }
.catalogue__card .h2 { color: var(--mer); max-width: 20em; margin: 0 auto 18px; }
.catalogue__card p { color: var(--ink-soft); max-width: 36em; margin-inline: auto; }
.catalogue__watermark { position: absolute; z-index: -1; width: 380px; aspect-ratio: 1; color: var(--mer); opacity: .1; right: -110px; top: -110px; }
.catalogue + .platform { padding-top: 0; }

/* Approche */
.principles__list { display: grid; }
.principle { display: grid; grid-template-columns: minmax(80px, 150px) minmax(0, 1fr) minmax(0, 300px); gap: clamp(20px, 4vw, 64px); align-items: start; padding: clamp(28px, 3.5vw, 44px) 0; border-top: 1px solid var(--line-strong); }
.principle:last-child { border-bottom: 1px solid var(--line-strong); }
.principle__num { font-family: var(--font-serif); font-weight: 300; font-size: clamp(2.8rem, 2rem + 2.6vw, 4.6rem); line-height: .9; color: var(--ciel); }
.principle .h3 { color: var(--mer); font-size: clamp(1.4rem, 1.15rem + .8vw, 1.9rem); font-weight: 300; margin-bottom: 12px; }
.principle p { color: var(--ink-soft); max-width: 34em; margin: 0; }
.principle__keys { margin-top: 6px !important; justify-content: flex-end; }
.citation { text-align: center; padding-block: clamp(72px, 9vw, 128px); }
.citation blockquote { margin: 0 auto; max-width: 900px; }
.citation blockquote p { font-family: var(--font-serif); font-weight: 300; font-size: clamp(1.6rem, 1.1rem + 2vw, 2.7rem); line-height: 1.3; color: var(--mer); text-wrap: balance; }
.citation blockquote p::before { content: "«\00a0"; } .citation blockquote p::after { content: "\00a0»"; }
.journey__grid { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); gap: clamp(40px, 6vw, 96px); align-items: center; }
.quatrefoil--md { width: min(100%, 440px); }
.journey .h2 { color: var(--mer); margin-bottom: 20px; }
.steps { margin-top: 32px; display: grid; }
.steps li { display: grid; grid-template-columns: 160px 1fr; gap: 20px; align-items: baseline; padding: 18px 0; border-top: 1px solid var(--line-strong); color: var(--ink-soft); }
.steps__word { font-family: var(--font-serif); font-weight: 300; font-size: 1.5rem; color: var(--mer); }

/* Contact */
.contact { padding-top: clamp(40px, 5vw, 64px); }
.contact__grid { display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(0, .8fr); gap: clamp(28px, 4vw, 64px); align-items: start; }
.form__title { color: var(--mer); margin-bottom: 6px; }
.form__hint { font-size: .9rem; color: var(--ink-soft); margin-bottom: 28px; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 0 20px; }
.field { display: flex; flex-direction: column; margin-bottom: 20px; }
.field label { font-size: .92rem; font-weight: 500; margin-bottom: 8px; color: var(--mer); }
.req { color: var(--grec); }
.opt { font-weight: 400; color: var(--ink-soft); font-size: .86rem; }
.field input, .field select, .field textarea {
  width: 100%; font: inherit; font-size: 1rem; color: var(--mer); background: var(--blanc);
  border: 1px solid var(--line-strong); border-radius: var(--radius); padding: 13px 15px; min-height: 50px;
  transition: border-color .25s, box-shadow .25s; appearance: none; -webkit-appearance: none;
}
.field textarea { resize: vertical; min-height: 150px; line-height: 1.55; }
.field input:hover, .field select:hover, .field textarea:hover { border-color: var(--mer); }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--grec); box-shadow: 0 0 0 3px rgba(18,98,239,.18); }
.field [aria-invalid="true"] { border-color: #b3261e; }
.field__error { color: #b3261e; font-size: .86rem; margin: 6px 0 0; }
.select { position: relative; }
.select::after { content: ""; position: absolute; right: 16px; top: 50%; width: 8px; height: 8px; border-right: 1.5px solid var(--mer); border-bottom: 1.5px solid var(--mer); transform: translateY(-70%) rotate(45deg); pointer-events: none; }
.select select { padding-right: 42px; cursor: pointer; }
.field--hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.field--check { display: grid; grid-template-columns: 22px 1fr; gap: 12px; align-items: start; }
.field--check input { width: 22px; height: 22px; min-height: 0; padding: 0; margin: 2px 0 0; border-radius: 4px; cursor: pointer; display: grid; place-content: center; }
.field--check input::before { content: ""; width: 12px; height: 12px; background: var(--blanc); -webkit-mask: url("../motifs/carreau-quadrilobe.webp") center / contain no-repeat; mask: url("../motifs/carreau-quadrilobe.webp") center / contain no-repeat; scale: 0; transition: scale .2s var(--ease); }
.field--check input:checked { background: var(--mer); border-color: var(--mer); }
.field--check input:checked::before { scale: 1; }
.field--check label { font-weight: 400; font-size: .9rem; color: var(--ink-soft); margin: 0; line-height: 1.55; }
.field--check label a { color: var(--grec); }
.field--check .field__error { grid-column: 2; }
.form__submit { display: flex; flex-wrap: wrap; align-items: center; gap: 16px 24px; margin-top: 8px; }
.form__submit .btn { border: 1.5px solid var(--mer); }
.form__submit .btn[disabled] { opacity: .6; cursor: progress; }
.form__status { margin: 0; font-size: .92rem; color: var(--ink-soft); }
.form__status.is-error { color: #b3261e; }
.form-success { padding: clamp(32px, 5vw, 56px); border: 1px solid var(--line); border-radius: var(--radius); background: var(--paper) url("../textures/papier-grec.webp") center / cover; }
.form-success:focus { outline: none; }
.form-success__icon { width: 44px; height: 44px; color: var(--mer); margin-bottom: 24px; animation: bloom .8s var(--ease) both; }
.form-success .h3 { color: var(--mer); margin-bottom: 10px; }
.form-success p { color: var(--ink-soft); }
@keyframes bloom { from { scale: .4; rotate: -45deg; opacity: 0; } to { scale: 1; rotate: 0deg; opacity: 1; } }

.coords { position: sticky; top: calc(var(--header-h) + 24px); overflow: hidden; isolation: isolate; background: var(--mer); color: var(--blanc); border-radius: var(--radius); padding: clamp(32px, 3.5vw, 44px); }
.coords__logo { width: 150px; height: auto; margin: 4px auto 14px; }
.coords__baseline { color: var(--ciel); font-size: .92rem; margin-bottom: 30px; padding-bottom: 26px; text-align: center; border-bottom: 1px solid rgba(255,255,255,.18); }
.coords__list { display: grid; gap: 22px; }
.coords__list li { display: grid; grid-template-columns: 22px 1fr; gap: 14px; }
.coords__list li .i { margin-top: 2px; color: var(--ciel); }
.coords__list a { text-decoration: none; border-bottom: 1px solid rgba(255,255,255,.35); word-break: break-word; }
.coords__list a:hover { border-color: var(--blanc); }
.coords__label { display: block; font-size: .72rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--ciel); margin-bottom: 4px; }
.coords__socials { margin-top: 30px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.18); }
.coords__socials .coords__label { margin-bottom: 12px; }
.coords__ornament { position: absolute; z-index: -1; right: -40px; bottom: -40px; width: 180px; aspect-ratio: 600/608; color: var(--blanc); opacity: .1; }

/* Pages légales */
.legal__grid { display: grid; grid-template-columns: 240px minmax(0, 1fr); gap: clamp(32px, 6vw, 96px); align-items: start; }
.legal__toc { position: sticky; top: calc(var(--header-h) + 32px); }
.legal__toc ol { display: grid; gap: 2px; border-left: 1px solid var(--line-strong); }
.legal__toc a { display: block; padding: 6px 0 6px 16px; margin-left: -1px; border-left: 1px solid transparent; text-decoration: none; font-size: .94rem; color: var(--ink-soft); transition: color .2s, border-color .2s; }
.legal__toc a:hover { color: var(--mer); border-color: var(--grec); }
.legal__content { max-width: 760px; }
.legal__update { margin-top: 3em; font-size: .9rem; }

/* 10. FOOTER ------------------------------------------------------------- */
.site-footer { position: relative; overflow: hidden; isolation: isolate; background: var(--mer-900); color: var(--blanc); padding: clamp(56px, 7vw, 88px) 0 28px; }
.site-footer__watermark { position: absolute; z-index: -1; left: 50%; top: -240px; translate: -50% 0; width: 560px; aspect-ratio: 1; color: var(--blanc); opacity: .06; }
.site-footer__brand { display: flex; flex-direction: column; align-items: center; text-align: center; padding-bottom: clamp(40px, 5vw, 56px); }
.site-footer__brand img { width: 170px; height: auto; }
.site-footer__motto { font-family: var(--font-serif); font-weight: 300; font-style: italic; color: var(--ciel); margin: 22px 0 0; font-size: 1.05rem; }
.site-footer__grid { display: grid; grid-template-columns: 1.3fr 1.3fr 1.3fr .9fr; gap: 36px clamp(24px, 4vw, 56px); padding-block: 40px; border-top: 1px solid rgba(255,255,255,.14); }
.site-footer__title { font-family: var(--font-sans); font-size: .74rem; font-weight: 600; letter-spacing: .16em; text-transform: uppercase; color: var(--ciel); margin-bottom: 18px; }
.site-footer__col p { opacity: .8; font-size: .95rem; max-width: 26em; }
.site-footer__col ul { display: grid; gap: 10px; font-size: .95rem; }
.site-footer__col ul.site-footer__nav { grid-template-columns: repeat(2, max-content); grid-template-rows: repeat(3, auto); grid-auto-flow: column; column-gap: clamp(32px, 4vw, 56px); }
.site-footer__col a { text-decoration: none; opacity: .9; transition: opacity .2s, color .2s; }
.site-footer__col a:hover { opacity: 1; color: var(--ciel); }
.site-footer__contact li { display: grid; grid-template-columns: 20px 1fr; gap: 12px; opacity: .9; }
.site-footer__contact a { display: contents; }
.site-footer__contact .i { width: 18px; height: 18px; margin-top: 3px; color: var(--ciel); }
.site-footer__bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px 32px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.14); font-size: .84rem; }
.site-footer__bottom p { opacity: .7; margin: 0; }
.site-footer__bottom ul { display: flex; flex-wrap: wrap; gap: 8px 24px; }
.site-footer__bottom a { text-decoration: none; opacity: .8; }
.site-footer__bottom a:hover { opacity: 1; text-decoration: underline; text-underline-offset: 3px; }

/* 11. ANIMATIONS --------------------------------------------------------- */
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
.js .reveal[data-delay="1"] { transition-delay: .08s; }
.js .reveal[data-delay="2"] { transition-delay: .16s; }
.js .reveal[data-delay="3"] { transition-delay: .24s; }
.js .reveal.is-visible { opacity: 1; transform: none; }
.hero__ornament, .page-hero__ornament { animation: sway 9s ease-in-out infinite alternate; transform-origin: 70% 30%; }
@keyframes sway { from { rotate: -3deg; } to { rotate: 3deg; } }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition-duration: .01ms !important; transition-delay: 0s !important; }
  .js .reveal { opacity: 1; transform: none; }
}

/* 12. RESPONSIVE ----------------------------------------------------------- */
@media (max-width: 1100px) {
  .principle { grid-template-columns: 110px minmax(0, 1fr); }
  .principle__keys { grid-column: 2; justify-content: flex-start; }
  .site-footer__grid { grid-template-columns: 1fr 1fr; }
  .audiences__list--row { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 960px) {
  :root { --header-h: 70px; }
  .nav { display: none; }
  .burger { display: block; }
  .site-header__logo img { height: 32px; }
  .hero__grid, .page-hero__grid { grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr); gap: 32px; }
  .hero .display, .page-hero .display { font-size: clamp(2.2rem, 1rem + 3.4vw, 3rem); }
  .manifesto__grid { grid-template-columns: 1fr; gap: 0; }
  .approach-band__grid, .audiences__grid, .naming__grid, .journey__grid, .domain-detail__grid, .contact-band__grid { grid-template-columns: 1fr; }
  .approach-band__intro, .naming__figure { position: static; }
  .naming__figure { aspect-ratio: 16/10; }
  .naming__figure img { object-position: center 30%; }
  .audiences .quatrefoil--small { display: none; }
  .trio { grid-template-columns: 1fr; }
  .contact__grid { grid-template-columns: 1fr; }
  .coords { position: relative; top: auto; }
  .contact-band__side { flex-direction: row; flex-wrap: wrap; justify-content: flex-start; text-align: left; }
  .contact-band__relief { display: none; }
  .platform__card { grid-template-columns: auto 1fr; }
  .platform__action { grid-column: 1 / -1; }
  .legal__grid { grid-template-columns: 1fr; }
  .legal__toc { position: static; }
  .journey__media { order: 2; }
  .quatrefoil--md { width: min(80%, 380px); }
}
@media (max-width: 720px) {
  body { font-size: 16px; }
  .hero__grid, .page-hero__grid { grid-template-columns: 1fr; }
  .hero__media { justify-self: center; width: min(82%, 400px); margin-top: 8px; }
  .page-hero__media { justify-self: center; width: min(66%, 300px); }
  .domains__grid, .formats-grid, .symbols { grid-template-columns: 1fr; }
  .domain { min-height: 0; }
  .manifesto__body { grid-template-columns: 1fr; }
  .audiences__list, .audiences__list--row { grid-template-columns: 1fr; }
  .audiences__list--row .audience { grid-template-columns: 40px 1fr; }
  .values__list { grid-template-columns: 1fr; }
  .value { padding: 22px 0; }
  .value + .value { border-left: 0; border-top: 1px solid rgba(255,255,255,.18); }
  .form__row { grid-template-columns: 1fr; }
  .principle { grid-template-columns: 1fr; gap: 12px; }
  .principle__keys { grid-column: 1; }
  .steps li { grid-template-columns: 1fr; gap: 4px; }
  .pillar { grid-template-columns: 44px 1fr; gap: 14px; }
  .platform__card { grid-template-columns: 1fr; text-align: left; }
  .platform__symbol { width: 64px; }
  .subnav ul { border-radius: var(--radius); width: 100%; }
  .subnav a { flex: 1 1 100%; }
  .site-footer__grid { grid-template-columns: 1fr 1fr; gap: 32px 20px; }
  .site-footer__about, .site-footer__col:nth-child(3) { grid-column: 1 / -1; }
  .site-footer__col:nth-child(3) { order: -1; grid-row: 2; }
  .site-footer__col ul.site-footer__nav { grid-template-columns: 1fr; grid-template-rows: none; grid-auto-flow: row; }
  .site-footer__bottom { flex-direction: column; }
  .hero__motto { font-size: .98rem; gap: 12px; }
  .actions .btn { flex: 1 1 auto; justify-content: space-between; }
  .catalogue__card { text-align: left; }
  .catalogue__card .actions--center { justify-content: flex-start; }
}
@media (max-width: 400px) {
  .hero__motto .dot { display: none; }
  .hero__motto { justify-content: space-between; }
}
@media print {
  .site-header, .mobile-menu, .site-footer__watermark, .band__watermark, .motif { display: none !important; }
  .band--mer { background: none; color: var(--mer); }
}

/* Domaines : 4 pôles ------------------------------------------------------ */
.domains .domain { min-height: 0; }
.domain__link { text-decoration: none; background-image: linear-gradient(currentColor, currentColor); background-size: 0 1px; background-repeat: no-repeat; background-position: 0 100%; transition: background-size .45s var(--ease); }
.domain__link:hover { background-size: 100% 1px; }
.domain__link::after { content: ""; position: absolute; inset: 0; }
.domain { cursor: pointer; }
.domain:has(.domain__link:focus-visible) { outline: 2px solid var(--grec); outline-offset: 3px; }
.domain__link:focus-visible { outline: none; }
.domain-list { padding-top: clamp(56px, 7vw, 96px); }
.domain-rows { display: grid; }
.domain-row { display: grid; grid-template-columns: minmax(80px, 150px) minmax(0, 1fr) minmax(0, 320px); gap: clamp(20px, 4vw, 64px); align-items: start; padding: clamp(28px, 3.5vw, 44px) 0; border-top: 1px solid var(--line-strong); }
.domain-row:last-child { border-bottom: 1px solid var(--line-strong); }
.domain-row__num { font-family: var(--font-serif); font-weight: 300; font-size: clamp(2.8rem, 2rem + 2.6vw, 4.6rem); line-height: .9; color: var(--ciel); }
.domain-row .h3 { display: flex; align-items: center; gap: 14px; color: var(--mer); font-size: clamp(1.4rem, 1.15rem + .8vw, 1.9rem); font-weight: 300; margin-bottom: 12px; }
.domain-row__mark { width: 22px; height: 22px; flex: none; color: var(--grec); }
.domain-row p { color: var(--ink-soft); max-width: 36em; margin: 0; }
.domain-row__tags { margin-top: 6px !important; justify-content: flex-end; }
@media (max-width: 1100px) {
  .domain-row { grid-template-columns: 110px minmax(0, 1fr); }
  .domain-row__tags { grid-column: 2; justify-content: flex-start; }
}
@media (max-width: 720px) {
  .domain-row { grid-template-columns: 1fr; gap: 12px; }
  .domain-row__tags { grid-column: 1; }
}

/* Fil conducteur « avenir » ------------------------------------------------ */
.future__grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(36px, 6vw, 96px); align-items: center; }
.future .h2 { color: var(--mer); margin-bottom: 20px; }
.future .lead { margin-bottom: 8px; }
.future__list { display: grid; border-top: 1px solid var(--line-strong); }
.future__list li { display: grid; grid-template-columns: 150px minmax(0, 1fr); gap: 20px; align-items: baseline; padding: 20px 0; border-bottom: 1px solid var(--line-strong); }
.future__pole { font-size: .74rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--grec); }
.future__item { font-family: var(--font-serif); font-weight: 300; font-size: clamp(1.1rem, 1rem + .4vw, 1.3rem); line-height: 1.35; color: var(--mer); }
.future--compact { padding-top: clamp(64px, 7vw, 96px); }

/* Catalogue dépliable par pôle */
.catalog { margin-top: 20px; }
.catalog summary { display: inline-flex; align-items: center; gap: 10px; cursor: pointer; list-style: none; color: var(--grec); font-weight: 500; padding: 6px 0; border-bottom: 1px solid currentColor; }
.catalog summary::-webkit-details-marker { display: none; }
.catalog summary .i-arrow { width: 16px; height: 16px; rotate: 90deg; transition: rotate .35s var(--ease); }
.catalog[open] summary .i-arrow { rotate: -90deg; }
.catalog__groups { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 28px 40px; margin-top: 26px; padding: clamp(22px, 3vw, 32px); background: var(--blanc); border: 1px solid var(--line); border-radius: var(--radius); }
.catalog__group .label { margin-bottom: 12px; }
.catalog__group li { position: relative; padding: 7px 0 7px 18px; border-top: 1px solid var(--line); color: var(--ink-soft); font-size: .95rem; line-height: 1.45; }
.catalog__group li::before { content: ""; position: absolute; left: 0; top: 1.05em; width: 6px; height: 6px; border-radius: 50%; background: var(--ciel); }
.domain-list .domain-row { border-color: var(--line-strong); }

/* Conférences */
.vocation { display: grid; grid-template-columns: 1fr 1fr; gap: 24px 48px; margin-top: 36px; padding-top: 32px; border-top: 1px solid var(--line); max-width: 920px; }
.vocation__item .h3 { color: var(--mer); margin-bottom: 8px; }
.vocation__item p { color: var(--ink-soft); }
.concept__grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0 clamp(24px, 3vw, 48px); }
.concept__head { padding: 0 0 36px; align-self: start; }
.concept__head .h2 { margin-bottom: 18px; }
.concept__item { padding: 28px 0; border-top: 1px solid rgba(255,255,255,.2); }
.concept__icon { width: 30px; height: 30px; color: var(--ciel); margin-bottom: 20px; }
.concept__item h3 { font-family: var(--font-serif); font-weight: 400; font-size: 1.25rem; line-height: 1.3; margin-bottom: 8px; }
.concept__item p { opacity: .82; margin: 0; }
.partners__grid { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr); gap: clamp(40px, 6vw, 96px); align-items: start; }
.partners .h2 { color: var(--mer); margin-bottom: 20px; }
.partners__values { padding: clamp(24px, 3vw, 36px); background: var(--blanc); border: 1px solid var(--line); border-radius: var(--radius); }
.partners__img { width: 140px !important; margin: 24px 0 0 auto; }
.conf-teaser__grid { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: clamp(40px, 6vw, 96px); align-items: center; }
.conf-teaser .h2 { color: var(--mer); margin-bottom: 18px; }
.conf-teaser .lead { max-width: 34em; }

/* Le centre : fondateurs, valeurs */
.founders { display: grid; gap: 4px; margin-top: 36px; padding-top: 32px; border-top: 1px solid var(--line); max-width: 760px; }
.founders p { color: var(--ink-soft); }
.founders__sign { font-family: var(--font-serif); font-style: italic; font-weight: 300; color: var(--mer) !important; margin-top: 8px; }
.guide__list { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 0 clamp(16px, 2vw, 32px); margin: 0; }
.guide__item { padding: 22px 0; border-top: 1px solid var(--line-strong); }
.guide__item dt { font-family: var(--font-serif); font-weight: 300; font-size: clamp(1.4rem, 1.1rem + .9vw, 1.9rem); color: var(--mer); margin-bottom: 8px; }
.guide__item dd { margin: 0; color: var(--ink-soft); font-size: .96rem; }
.guide { padding-top: 0; }

/* Approche : engagements */
.commitments { padding-top: clamp(24px, 3vw, 48px); }
.commitments__grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: clamp(16px, 2vw, 28px); }
.commitments__grid li { padding: clamp(24px, 2.5vw, 32px); border: 1px solid var(--line); border-radius: var(--radius); }
.commitments__grid p { color: var(--ink-soft); margin: 0; }
.trio__icon--mer { color: var(--mer); }

@media (max-width: 1100px) {
  .guide__list { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .commitments__grid { grid-template-columns: 1fr 1fr; }
  .concept__grid { grid-template-columns: 1fr 1fr; }
  .concept__head { grid-column: 1 / -1; }
}
@media (max-width: 960px) {
  .future__grid, .partners__grid, .conf-teaser__grid { grid-template-columns: 1fr; }
  .conf-teaser__media { order: 2; }
}
@media (max-width: 720px) {
  .future__list li { grid-template-columns: 1fr; gap: 4px; }
  .vocation, .concept__grid, .commitments__grid { grid-template-columns: 1fr; }
  .guide__list { grid-template-columns: 1fr 1fr; }
  .catalog__groups { grid-template-columns: 1fr; padding: 18px; }
}

/* Devis ------------------------------------------------------------------- */
.form__reach { border: 0; margin: 0; padding: 0; min-width: 0; }
.coords__title { font-family: var(--font-serif); font-weight: 300; font-size: 1.5rem; line-height: 1.25; margin-bottom: 26px; }
.quote-steps { display: grid; gap: 0; }
.quote-steps li { display: grid; grid-template-columns: 40px 1fr; gap: 14px; padding: 18px 0; border-top: 1px solid rgba(255,255,255,.18); }
.quote-steps__num { font-family: var(--font-serif); font-weight: 300; font-size: 1.3rem; color: var(--ciel); line-height: 1.2; }
.quote-steps strong { display: block; font-weight: 600; margin-bottom: 4px; }
.quote-steps span:not(.quote-steps__num) { opacity: .85; font-size: .95rem; }
.coords__link { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; border-bottom: 1px solid rgba(255,255,255,.35); word-break: break-word; }
.coords__devis { margin-top: 28px; }
.mobile-menu__cta { justify-self: start; }
.domains__links { display: flex; flex-wrap: wrap; gap: 8px 32px; }
.catalog__group li a { text-decoration: none; color: inherit; background-image: linear-gradient(var(--grec), var(--grec)); background-size: 0 1px; background-repeat: no-repeat; background-position: 0 100%; transition: background-size .35s var(--ease), color .2s; }
.catalog__group li a:hover, .catalog__group li a:focus-visible { color: var(--mer); background-size: 100% 1px; }
.catalog__group li:hover::before { background: var(--grec); }

/* Footer tablette : présentation | coordonnées, puis navigation | réseaux */
@media (min-width: 721px) and (max-width: 1100px) {
  .site-footer__grid { grid-template-columns: 1fr 1fr; grid-template-areas: "about coords" "nav social"; }
  .site-footer__about { grid-area: about; }
  .site-footer__col:nth-child(2) { grid-area: nav; }
  .site-footer__col:nth-child(3) { grid-area: coords; }
  .site-footer__col:nth-child(4) { grid-area: social; }
}

/* Header : 5 liens + devis — passage au menu burger sous 1080 px */
.nav__link, .nav__cta { white-space: nowrap; }
@media (max-width: 1240px) {
  .nav { gap: 20px; }
  .nav__list { gap: 20px; }
  .nav__link { font-size: .92rem; }
}
@media (max-width: 1080px) {
  .nav { display: none; }
  .burger { display: block; }
}

/* Footer : colonnes calées sur toute la largeur (pas de vide à droite) */
@media (min-width: 721px) {
  .site-footer__grid { grid-template-columns: repeat(4, auto); justify-content: space-between; }
  .site-footer__about p { max-width: 22em; }
}
@media (min-width: 721px) and (max-width: 1100px) {
  .site-footer__grid { grid-template-columns: repeat(2, auto); justify-content: space-between; column-gap: 64px; }
  .site-footer__about p { max-width: 24em; }
  .site-footer__col:nth-child(3), .site-footer__col:nth-child(4) { min-width: 16em; }
}