/* Clément Bellet-Odent — façon keynote : noir, blanc, une grande sans-serif serrée, un dégradé
   « titane » sur les grands titres et une lueur colorée qui change avec chaque prix.
   Mise en page : une ouverture plein écran (la présentation), puis une colonne de 1180 px. */
@property --c { syntax: '<color>'; inherits: true; initial-value: #5e5ce6; }
:root {
  --noir: #000;
  --carte: #0d0d0f;
  --ligne: #1f1f22;
  --blanc: #f5f5f7;
  --gris: #a1a1a6;
  --gris-2: #6e6e73;
  --titane: linear-gradient(180deg, #ffffff 0%, #f0f0f2 38%, #b8b8bf 100%);
  --f-titre: "Inter Tight", "SF Pro Display", "Helvetica Neue", Arial, sans-serif;
  --f-texte: "Inter Tight", "SF Pro Text", "Helvetica Neue", Arial, sans-serif;
  --f-code: "JetBrains Mono", ui-monospace, Menlo, monospace;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--noir); color: var(--blanc); font: 17px/1.6 var(--f-texte); -webkit-font-smoothing: antialiased; }
body.en-intro { overflow: hidden; }
a { color: inherit; }
img { max-width: 100%; display: block; }
button { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid #fff; outline-offset: 3px; }
.titane { background: var(--titane); -webkit-background-clip: text; background-clip: text; color: transparent; }
.label { margin: 0; font-family: var(--f-titre); font-weight: 600; font-size: 15px; letter-spacing: -.005em; color: var(--gris); }
.enveloppe { max-width: 1180px; margin: 0 auto; padding-inline: 20px; }

/* ───── Navigation ───── */
.nav { position: fixed; z-index: 20; top: 0; left: 0; right: 0; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: calc(14px + env(safe-area-inset-top, 0px)) 20px 14px; background: rgba(0, 0, 0, .72); -webkit-backdrop-filter: saturate(180%) blur(20px); backdrop-filter: saturate(180%) blur(20px); border-bottom: 1px solid rgba(255, 255, 255, .06); transition: opacity .8s, transform .8s; }
.monogramme { font-family: var(--f-titre); font-weight: 600; font-size: 15px; letter-spacing: -.01em; text-decoration: none; }
.nav-droite { display: flex; align-items: center; gap: 16px; }
.langues { display: flex; background: #1c1c1e; border-radius: 999px; padding: 3px; }
.langues button { border: 0; background: transparent; padding: 4px 11px; border-radius: 999px; font-weight: 600; font-size: 12.5px; color: var(--gris); cursor: pointer; }
.langues button[aria-pressed="true"] { background: #f5f5f7; color: #000; }
.nav-lien { font-size: 14px; font-weight: 500; text-decoration: none; color: var(--gris); }
.nav-lien:hover { color: #fff; }
body.en-intro .nav { opacity: 0; transform: translateY(-10px); pointer-events: none; }

/* ───── Ouverture ───── */
.hero { --c: #5e5ce6; position: relative; height: 100vh; height: 100svh; min-height: 600px; overflow: hidden; background: #000; transition: --c 1.2s ease; }
.lueurs { position: absolute; inset: 0; pointer-events: none; }
.lueurs i { position: absolute; width: 70vmax; height: 70vmax; border-radius: 50%; background: radial-gradient(circle, color-mix(in srgb, var(--c) 42%, transparent) 0%, transparent 62%); filter: blur(30px); opacity: .55; transition: opacity 1.2s; }
.lueurs i:nth-child(1) { left: -25vmax; top: -30vmax; animation: derive1 18s ease-in-out infinite alternate; }
.lueurs i:nth-child(2) { right: -30vmax; bottom: -35vmax; animation: derive2 22s ease-in-out infinite alternate; opacity: .45; }
.lueurs i:nth-child(3) { left: 20vw; top: 25vh; width: 50vmax; height: 50vmax; opacity: .22; animation: derive1 26s ease-in-out infinite alternate-reverse; }
.hero.kn-pic .lueurs i { opacity: .85; }
@keyframes derive1 { to { transform: translate(12vw, 10vh) scale(1.1); } }
@keyframes derive2 { to { transform: translate(-14vw, -8vh) scale(1.15); } }

/* La photo : à droite, fondue dans le noir vers la gauche et vers le bas (comme l'image de partage). */
.hero-photo { position: absolute; top: 0; right: 0; bottom: 0; width: min(56vw, 920px); margin: 0; opacity: 0; transform: scale(1.05); transform-origin: 70% 30%; transition: opacity 1.3s ease, transform 2.2s cubic-bezier(.2, .8, .2, 1); pointer-events: none; -webkit-mask-image: linear-gradient(to right, transparent 0%, rgba(0, 0, 0, .18) 14%, rgba(0, 0, 0, .55) 30%, rgba(0, 0, 0, .88) 46%, #000 60%); mask-image: linear-gradient(to right, transparent 0%, rgba(0, 0, 0, .18) 14%, rgba(0, 0, 0, .55) 30%, rgba(0, 0, 0, .88) 46%, #000 60%); }
.hero-photo::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to top, #000 0%, rgba(0, 0, 0, 0) 32%); }
.hero-photo img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 18%; }
.hero.kn-photo .hero-photo, body:not(.en-intro) .hero-photo { opacity: 1; transform: none; }
.kn-gauche { justify-self: start; justify-items: start; text-align: left; margin-left: max(0px, 1vw); max-width: 58vw; }
.kn-gauche .kn-sous { max-width: 26ch; }

.keynote { position: absolute; inset: 0; display: grid; place-items: center; padding: 0 6vw; text-align: center; pointer-events: none; }
.kn { display: grid; justify-items: center; gap: 22px; max-width: 1200px; will-change: transform, opacity, filter; }
.kn-sur { margin: 0; font-family: var(--f-titre); font-weight: 600; font-size: clamp(16px, 1.7vw, 24px); letter-spacing: -.01em; color: color-mix(in srgb, var(--c) 70%, #fff); }
.kn-grand { margin: 0; font-family: var(--f-titre); font-weight: 700; font-size: clamp(48px, 9.2vw, 150px); line-height: .98; letter-spacing: -.05em; }
.kn-grand .ligne { display: block; overflow: hidden; padding: 0 .04em .1em; }
.kn-grand .ligne > span { display: inline-block; background: var(--titane); -webkit-background-clip: text; background-clip: text; color: transparent; }
.kn-question .kn-grand { font-size: clamp(36px, 6.4vw, 100px); font-weight: 600; letter-spacing: -.04em; }
.kn-question .kn-grand .ligne:last-child > span { background: linear-gradient(90deg, #ffffff 0%, color-mix(in srgb, var(--c) 60%, #fff) 100%); -webkit-background-clip: text; background-clip: text; }
.kn-accent .kn-grand .ligne > span { background: linear-gradient(100deg, #ffffff 0%, color-mix(in srgb, var(--c) 65%, #fff) 35%, #ffffff 55%, color-mix(in srgb, var(--c) 50%, #fff) 80%, #ffffff 100%); background-size: 220% 100%; -webkit-background-clip: text; background-clip: text; animation: balayage 3.2s linear infinite; }
@keyframes balayage { to { background-position: -220% 0; } }
.kn-liste { display: grid; gap: .04em; }
.kn-moyen .kn-grand { font-size: clamp(36px, 6.2vw, 96px); }
.kn-nombre { font-variant-numeric: tabular-nums; }
.kn-mur { gap: 30px; }
.mur { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; width: min(1100px, 88vw); }
.mur-item { display: grid; place-items: center; min-height: clamp(76px, 13vh, 136px); padding: 10px 18px; border-radius: 22px; background: rgba(255, 255, 255, .06); box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .12); font-family: var(--f-titre); font-weight: 700; font-size: clamp(20px, 2.7vw, 42px); line-height: 1.05; letter-spacing: -.035em; text-align: center; color: #fff; }
.flash { position: absolute; inset: 0; z-index: 3; background: #fff; opacity: 0; pointer-events: none; }
.eclair { position: absolute; left: 0; right: 0; top: 50%; z-index: 4; height: 2px; margin-top: -1px; background: linear-gradient(90deg, transparent, #fff 18%, #fff 82%, transparent); box-shadow: 0 0 34px 8px color-mix(in srgb, var(--c) 70%, #fff); opacity: 0; transform: scaleX(0); pointer-events: none; }
.kn-sous { margin: 0; max-width: 32ch; font-family: var(--f-titre); font-weight: 500; font-size: clamp(19px, 2.2vw, 30px); line-height: 1.3; letter-spacing: -.015em; color: var(--gris); text-wrap: balance; }

.progression { position: absolute; left: 20px; right: 20px; bottom: calc(18px + env(safe-area-inset-bottom, 0px)); height: 2px; border-radius: 2px; background: rgba(255, 255, 255, .14); overflow: hidden; transition: opacity .6s; }
.progression i { display: block; height: 100%; background: #fff; transform: scaleX(0); transform-origin: left; }
.passer { position: absolute; right: 20px; bottom: calc(34px + env(safe-area-inset-bottom, 0px)); z-index: 5; padding: 8px 16px; border-radius: 999px; border: 0; background: rgba(255, 255, 255, .12); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); font-weight: 600; font-size: 13.5px; color: #fff; cursor: pointer; transition: opacity .6s, background .2s; }
.passer:hover { background: rgba(255, 255, 255, .22); }
body:not(.en-intro) .passer, body:not(.en-intro) .progression { opacity: 0; pointer-events: none; }

.hero-final { position: absolute; inset: 0; display: grid; place-content: center start; justify-items: start; gap: 18px; padding: 80px 20px 100px max(24px, 7vw); text-align: left; transition: opacity 1.1s ease, transform 1.1s cubic-bezier(.2, .8, .2, 1), filter 1.1s; }
body.en-intro .hero-final { opacity: 0; transform: scale(1.04); filter: blur(12px); pointer-events: none; }
.hero-sur { margin: 0; font-weight: 600; font-size: clamp(15px, 1.5vw, 19px); color: color-mix(in srgb, var(--c) 65%, #fff); }
.hero-nom { margin: 0; font-family: var(--f-titre); font-weight: 700; font-size: clamp(54px, 7.4vw, 134px); line-height: .92; letter-spacing: -.055em; }
.hero-nom span { display: block; background: var(--titane); -webkit-background-clip: text; background-clip: text; color: transparent; padding: 0 .03em .06em; }
.hero-role { margin: 6px 0 0; max-width: 34ch; font-weight: 500; font-size: clamp(18px, 1.9vw, 24px); line-height: 1.35; letter-spacing: -.01em; color: var(--gris); text-wrap: balance; }
.hero-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-top: 14px; }
.hero-final .hero-actions { justify-content: flex-start; }
.btn-plein, .btn-fil { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 24px; border-radius: 999px; font-weight: 600; font-size: 16px; text-decoration: none; cursor: pointer; transition: transform .15s, background .2s, border-color .2s; }
.btn-plein { border: 0; background: #f5f5f7; color: #000; }
.btn-plein:hover { transform: translateY(-1px); background: #fff; }
.btn-fil { border: 1px solid #3a3a3c; background: transparent; }
.btn-fil:hover { border-color: #f5f5f7; }
.rejouer { position: absolute; right: 20px; bottom: calc(22px + env(safe-area-inset-bottom, 0px)); padding: 8px 14px; border-radius: 999px; border: 1px solid #2c2c2e; background: transparent; font-weight: 500; font-size: 13px; color: var(--gris); cursor: pointer; transition: opacity 1s .4s, color .2s, border-color .2s; }
.rejouer:hover { color: #fff; border-color: #fff; }
body.en-intro .rejouer { opacity: 0; pointer-events: none; transition-delay: 0s; }
.defiler { position: absolute; left: 50%; bottom: calc(20px + env(safe-area-inset-bottom, 0px)); transform: translateX(-50%); display: grid; justify-items: center; gap: 8px; font-size: 12px; font-weight: 500; color: var(--gris-2); transition: opacity 1s .6s; }
.defiler i { width: 1px; height: 30px; background: linear-gradient(#fff, transparent); animation: goutte 2s ease-in-out infinite; transform-origin: top; }
@keyframes goutte { 0% { transform: scaleY(0); opacity: 1; } 60% { transform: scaleY(1); opacity: 1; } 100% { transform: scaleY(1); opacity: 0; } }
body.en-intro .defiler { opacity: 0; }

/* ───── Sections ───── */
.bloc { padding-block: 140px 0; }
.js .apparait { opacity: 0; transform: translateY(30px); transition: opacity 1s cubic-bezier(.2, .8, .2, 1), transform 1s cubic-bezier(.2, .8, .2, 1); }
.js .apparait.vu { opacity: 1; transform: none; }
.tete { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; padding-bottom: 22px; margin-bottom: 44px; border-bottom: 1px solid var(--ligne); }
.tete h2 { margin: 8px 0 0; font-family: var(--f-titre); font-weight: 700; font-size: clamp(40px, 5.6vw, 80px); line-height: 1; letter-spacing: -.045em; }
.tete h2 em { font-style: normal; color: var(--gris-2); }

.manifeste h2 { margin: 14px 0 0; max-width: 17ch; font-family: var(--f-titre); font-weight: 700; font-size: clamp(40px, 6vw, 88px); line-height: 1.02; letter-spacing: -.05em; text-wrap: balance; }
.manifeste h2 .gris { color: var(--gris-2); }
.manifeste-grille { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr); gap: 64px; align-items: end; margin-top: 60px; }
.manifeste-grille p { margin: 0; font-size: 20px; line-height: 1.65; color: #d2d2d7; max-width: 56ch; letter-spacing: -.005em; }
.portrait { margin: 0; position: relative; border-radius: 22px; overflow: hidden; }
.portrait img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; }
.citation { margin: 100px 0 0; padding: 56px 0 0; border-top: 1px solid var(--ligne); font-family: var(--f-titre); font-weight: 600; font-size: clamp(30px, 3.8vw, 54px); line-height: 1.12; letter-spacing: -.035em; text-wrap: balance; }
.citation cite { display: block; margin-top: 18px; font-style: normal; font-size: 15px; font-weight: 600; letter-spacing: 0; color: var(--gris); }

.chiffres { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.chiffre { padding: 30px 26px 28px; border-radius: 24px; background: var(--carte); display: grid; gap: 6px; align-content: start; }
.chiffre b { font-family: var(--f-titre); font-weight: 700; font-size: clamp(56px, 6.4vw, 92px); line-height: .95; letter-spacing: -.05em; }
.chiffre span { font-weight: 600; font-size: 17px; letter-spacing: -.01em; }
.chiffre p { margin: 4px 0 0; font-size: 14.5px; color: var(--gris); line-height: 1.45; }

.distinctions { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.distinctions li { display: grid; grid-template-columns: 120px minmax(0, 1.25fr) minmax(0, 1fr); gap: 28px; padding: 30px 30px; border-radius: 24px; background: var(--carte); align-items: baseline; }
.distinctions li.majeur { background: linear-gradient(140deg, #16161a, #0b0b0d 60%); box-shadow: inset 0 0 0 1px #2a2a2e; }
.distinctions .date { font-family: var(--f-code); font-size: 12.5px; color: var(--gris); }
.distinctions h3 { margin: 0; font-family: var(--f-titre); font-weight: 700; font-size: clamp(24px, 2.5vw, 34px); line-height: 1.1; letter-spacing: -.035em; }
.distinctions li.majeur h3 { font-size: clamp(28px, 3.1vw, 42px); }
.distinctions .org { display: block; margin-top: 8px; font-size: 14.5px; font-weight: 600; color: var(--gris); }
.distinctions p { margin: 0; color: #c7c7cc; font-size: 15.5px; line-height: 1.6; }

.projets { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.projet { border-radius: 24px; padding: 30px 28px; background: var(--carte); display: grid; gap: 12px; align-content: start; }
.projet h3 { margin: 0; font-family: var(--f-titre); font-weight: 700; font-size: clamp(30px, 3vw, 42px); line-height: 1; letter-spacing: -.045em; }
.projet p { margin: 0; color: #c7c7cc; font-size: 15.5px; line-height: 1.6; }
.lien-projet { font-size: 14px; font-weight: 600; text-decoration: none; color: #6aa9ff; }
.lien-projet:hover { text-decoration: underline; }

.publications { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.publication { position: relative; border-radius: 24px; padding: 32px 30px; display: grid; gap: 14px; grid-template-rows: auto auto 1fr auto; background: var(--carte); transition: background .3s, transform .3s; }
.publication:hover { background: #151517; transform: translateY(-3px); }
.publication .lien-projet::after { content: ""; position: absolute; inset: 0; }
.publication h3 { margin: 0; font-family: var(--f-titre); font-weight: 700; font-size: clamp(21px, 2.1vw, 26px); line-height: 1.22; letter-spacing: -.025em; }
.publication p { margin: 0; color: #c7c7cc; font-size: 15.5px; }

.presse { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.article { position: relative; border-radius: 24px; background: var(--carte); padding: 28px 26px 24px; display: grid; gap: 14px; grid-template-rows: auto auto 1fr auto; min-height: 270px; transition: background .3s, transform .3s; }
.article:hover { background: #151517; transform: translateY(-3px); }
.article .media { font-family: var(--f-titre); font-weight: 700; font-size: 24px; line-height: 1.05; letter-spacing: -.03em; }
.article .meta { display: flex; gap: 8px; flex-wrap: wrap; }
.article .meta span { font-size: 12.5px; font-weight: 600; color: var(--gris); padding: 3px 10px; background: #1c1c1e; border-radius: 999px; }
.article blockquote { margin: 0; font-size: 17px; line-height: 1.45; font-weight: 500; color: #e5e5ea; }
.article a, .article .sans-lien { font-size: 14px; font-weight: 600; text-decoration: none; color: #6aa9ff; }
.article a::after { content: ""; position: absolute; inset: 0; }
.article .sans-lien { color: var(--gris-2); }

.parcours { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--ligne); }
.parcours li { display: grid; grid-template-columns: 140px minmax(0, .9fr) minmax(0, 1.4fr); gap: 28px; padding: 26px 0; border-bottom: 1px solid var(--ligne); align-items: baseline; }
.parcours .quand { font-family: var(--f-code); font-size: 12.5px; color: var(--gris); }
.parcours b { font-family: var(--f-titre); font-weight: 700; font-size: clamp(21px, 2.1vw, 28px); line-height: 1.15; letter-spacing: -.03em; }
.parcours span.role { color: #c7c7cc; font-size: 15.5px; }

.ailleurs-grille { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: 60px; align-items: center; }
.ailleurs-grille figure { margin: 0; border-radius: 22px; overflow: hidden; }
.ailleurs-grille img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; object-position: 50% 25%; }
.ailleurs { display: grid; border-top: 1px solid var(--ligne); }
.ailleurs div { display: grid; grid-template-columns: minmax(0, .7fr) minmax(0, 1.3fr); gap: 20px; padding: 22px 0; border-bottom: 1px solid var(--ligne); align-items: baseline; }
.ailleurs b { font-family: var(--f-titre); font-weight: 700; font-size: clamp(26px, 2.8vw, 38px); line-height: 1; letter-spacing: -.04em; }
.ailleurs span { color: var(--gris); font-size: 15.5px; }

.contact { padding-block: 170px 150px; text-align: center; }
.contact h2 { margin: 14px 0 0; font-family: var(--f-titre); font-weight: 700; font-size: clamp(64px, 10.5vw, 160px); line-height: .95; letter-spacing: -.055em; }
.contact p { margin: 24px auto 0; max-width: 44ch; color: var(--gris); font-size: 19px; }
.contact .hero-actions { margin-top: 36px; }
.courriel { margin-top: 24px; font-size: 15px; color: var(--gris); display: inline-flex; gap: 14px; align-items: center; flex-wrap: wrap; justify-content: center; }
.lien-discret { background: none; border: 0; padding: 0; cursor: pointer; font-size: 14px; font-weight: 600; color: #6aa9ff; }
.lien-discret:hover { text-decoration: underline; }

.pied { border-top: 1px solid var(--ligne); }
.pied-in { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; padding-block: 26px calc(26px + env(safe-area-inset-bottom, 0px)); font-size: 13px; color: var(--gris-2); }
.sans-js { padding: 40px 20px; text-align: center; }

@media (max-width: 920px) {
  .manifeste-grille, .ailleurs-grille { grid-template-columns: 1fr; gap: 40px; }
  .portrait, .ailleurs-grille figure { max-width: 460px; }
  .chiffres { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .distinctions li, .parcours li { grid-template-columns: 1fr; gap: 8px; }
  .publications, .presse, .projets { grid-template-columns: 1fr; }
  .article { min-height: 0; }
  .bloc { padding-top: 100px; }
}
@media (max-width: 760px) {
  .hero-photo { width: 100%; bottom: auto; height: 62%; -webkit-mask-image: linear-gradient(to top, transparent 0%, #000 42%); mask-image: linear-gradient(to top, transparent 0%, #000 42%); }
  .hero-photo::after { display: none; }
  .hero-final { place-content: end start; padding: 80px 22px calc(76px + env(safe-area-inset-bottom, 0px)); }
  .hero-sur { text-shadow: 0 1px 10px rgba(0, 0, 0, .9); }
  .defiler { display: none; }
  .kn-gauche { align-self: end; margin-bottom: 16vh; max-width: none; }
  .mur { grid-template-columns: repeat(2, minmax(0, 1fr)); width: 92vw; }
}
@media (max-width: 560px) {
  body { font-size: 16px; }
  .chiffres { grid-template-columns: 1fr; }
  .distinctions li { padding: 24px 22px; }
  .ailleurs div { grid-template-columns: 1fr; gap: 6px; }
  .nav-lien { display: none; }
  .tete { flex-direction: column; align-items: flex-start; }
  .rejouer { left: 22px; right: auto; bottom: calc(22px + env(safe-area-inset-bottom, 0px)); }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
}
