/* ═══════════════════════════════════════════════════════════
   Luca CHALIER — Portfolio
   Noir · Blanc · Bleu — Montserrat
   ═══════════════════════════════════════════════════════════ */

@font-face {
  font-family: "Montserrat";
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url("../assets/fonts/montserrat-latin-wght-normal.woff2") format("woff2");
}

:root {
  --blue: #1b60b0;          /* le bleu historique du site */
  --blue-hi: #3d8bff;       /* sa version lumineuse, sur fond noir */
  --black: #000;
  --ink: #0a0a0c;
  --white: #fff;
  --paper: #f5f5f7;
  --bg: var(--black);
  --fg: var(--white);
  --mute: rgba(255, 255, 255, .5);
  --line: rgba(255, 255, 255, .14);
  --accent: var(--blue-hi);
  --pad: clamp(20px, 5vw, 80px);
  --ease: cubic-bezier(.2, .7, .1, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scrollbar-color: var(--blue) #000; scrollbar-width: thin; }
::-webkit-scrollbar { width: 6px; background: #000; }
::-webkit-scrollbar-thumb { background: var(--blue); border-radius: 6px; }

body {
  font-family: "Montserrat", system-ui, -apple-system, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.55;
  overflow-x: clip;
  -webkit-font-smoothing: antialiased;
  transition: background-color .7s var(--ease), color .7s var(--ease);
}

a { color: inherit; text-decoration: none; }
ol, ul { list-style: none; }
img, video, canvas, svg { display: block; max-width: 100%; }
button, input, textarea { font: inherit; color: inherit; }
::selection { background: var(--blue); color: #fff; }
:focus-visible { outline: 2px solid var(--blue-hi); outline-offset: 4px; border-radius: 4px; }

.wrap { width: min(1200px, 100% - 2 * var(--pad)); margin-inline: auto; }

.eyebrow {
  font-size: .78rem; font-weight: 600; letter-spacing: .28em; text-transform: uppercase;
  color: var(--accent);
}
.display {
  font-size: clamp(2.4rem, 6.4vw, 5.6rem); font-weight: 700; line-height: 1.02;
  letter-spacing: -.035em; margin-top: 18px;
}
.mute { color: var(--mute); }
.accent { color: var(--accent); }

.js [data-reveal] { opacity: 0; transform: translateY(44px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
[data-reveal].in { opacity: 1; transform: none; }

/* ── Chargement : la signature ────────────────────────────── */
.sig-path { fill: none; stroke: #fff; stroke-linecap: round; stroke-linejoin: round; stroke-dasharray: 1; stroke-dashoffset: 1; }
.sig-path { stroke-width: 13; }

.loader {
  position: fixed; inset: 0; z-index: 300; display: grid; place-items: center; background: #000;
  clip-path: circle(150% at 50% 50%);
  transition: clip-path .75s cubic-bezier(.7, 0, .2, 1);
  animation: loaderFailsafe .01s 5s forwards; /* si le JavaScript ne répond pas, on ne reste jamais bloqué */
}
.loader svg { width: clamp(150px, 24vmin, 250px); height: auto; overflow: visible; transition: transform .75s cubic-bezier(.7, 0, .2, 1), opacity .45s; }
.loader .sig-path { animation: sigDraw 1.05s cubic-bezier(.6, .05, .25, 1) .12s forwards; }
.loader.done { clip-path: circle(0% at 50% 50%); pointer-events: none; }
.loader.done svg { transform: scale(.6); opacity: 0; }
html.loading { overflow: hidden; }
@keyframes sigDraw { to { stroke-dashoffset: 0; } }
@keyframes loaderFailsafe { to { visibility: hidden; pointer-events: none; } }

.skip { position: fixed; left: 16px; top: -60px; z-index: 310; padding: 10px 16px; border-radius: 99px; background: var(--blue); color: #fff; font-size: .85rem; font-weight: 600; transition: top .25s; }
.skip:focus { top: 12px; }

/* Titres : chaque ligne monte derrière un masque */
[data-reveal].lines { opacity: 1; transform: none; }
.ln { display: block; overflow: hidden; padding: .14em .08em .2em .04em; margin: -.14em -.08em -.2em -.04em; }
.ln-i { display: block; transform: translateY(108%); transition: transform 1.05s var(--ease); }
.ln:nth-child(2) .ln-i { transition-delay: .09s; }
.ln:nth-child(3) .ln-i { transition-delay: .18s; }
.lines.in .ln-i { transform: none; }

/* ── Barre de progression ─────────────────────────────────── */
.progress {
  position: fixed; inset: 0 0 auto 0; height: 2px; z-index: 120;
  background: var(--blue-hi); transform-origin: 0 50%; transform: scaleX(0);
}

/* ── Navigation ───────────────────────────────────────────── */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 100; height: 64px;
  padding: 0 var(--pad); display: flex; align-items: center; justify-content: space-between;
  color: var(--fg);
  transition: color .7s var(--ease);
}
/* Le fond flouté est sur un calque à part : posé sur .nav lui-même, il enfermait le menu mobile
   plein écran dans les 64 px de la barre (le menu s'ouvrait alors sans fond). */
.nav::before {
  content: ""; position: absolute; inset: 0; z-index: -1; opacity: 0; pointer-events: none;
  background: color-mix(in srgb, var(--bg) 68%, transparent);
  -webkit-backdrop-filter: saturate(180%) blur(20px); backdrop-filter: saturate(180%) blur(20px);
  transition: opacity .5s;
}
.nav.solid::before { opacity: 1; }
.nav.open::before { opacity: 0; }
.brand {
  font-weight: 700; font-size: 1.35rem; letter-spacing: -.035em; line-height: 1; white-space: nowrap;
  opacity: 0; position: relative; z-index: 2;
}
.brand.on { opacity: 1; }
.brand span { color: var(--accent); }

.nav-links { display: flex; align-items: center; gap: clamp(12px, 2vw, 30px); font-size: .86rem; font-weight: 500; }
.nav-links a { position: relative; opacity: .72; transition: opacity .3s; padding: 6px 0; }
.nav-links a:hover, .nav-links a.active { opacity: 1; }
.nav-links a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1.5px; background: var(--accent);
  transform: scaleX(0); transform-origin: 100% 50%; transition: transform .4s var(--ease);
}
.nav-links a:hover::after, .nav-links a.active::after { transform: scaleX(1); transform-origin: 0 50%; }
.nav-links .nav-cta {
  opacity: 1; padding: 8px 18px; border-radius: 99px; background: var(--blue); color: #fff;
  transition: background-color .3s, transform .3s var(--ease);
}
.nav-links .nav-cta::after { display: none; }
.nav-links .nav-cta:hover { background: var(--blue-hi); transform: translateY(-1px); }

.nav-links { margin-left: auto; }
.nav-tools { display: flex; align-items: center; gap: 6px; margin-left: clamp(14px, 2.4vw, 34px); position: relative; z-index: 2; }
.lang {
  display: inline-flex; align-items: center; gap: 7px; height: 34px; padding: 0 12px; cursor: pointer;
  background: none; border: 1px solid var(--line); border-radius: 99px;
  font-size: .72rem; font-weight: 600; letter-spacing: .12em; transition: border-color .3s, transform .35s var(--ease);
}
.lang:hover { border-color: var(--accent); }
.lang i { width: 1px; height: 11px; background: currentColor; opacity: .35; }
.lang span { display: inline-flex; align-items: center; opacity: .45; transition: opacity .3s, color .3s; }
.flag { display: inline-block; width: 0; height: 11px; margin-right: 0; border-radius: 2px; opacity: 0; vertical-align: -1px; background: center / cover no-repeat; transition: width .35s var(--ease), margin .35s var(--ease), opacity .3s; }
.lang:hover .flag, .lang:focus-visible .flag { width: 16px; margin-right: 6px; opacity: 1; }
.lang:hover span, .lang:focus-visible span { opacity: 1; }
.flag-fr { background-image: linear-gradient(90deg, #0055a4 33.4%, #fff 0 66.6%, #ef4135 0); }
.flag-gb { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 60 30'%3E%3Cpath fill='%23012169' d='M0 0h60v30H0z'/%3E%3Cpath stroke='%23fff' stroke-width='6' d='m0 0 60 30m0-30L0 30'/%3E%3Cpath stroke='%23c8102e' stroke-width='2' d='m0 0 60 30m0-30L0 30'/%3E%3Cpath stroke='%23fff' stroke-width='10' d='M30 0v30M0 15h60'/%3E%3Cpath stroke='%23c8102e' stroke-width='6' d='M30 0v30M0 15h60'/%3E%3C/svg%3E"); }
.lang[data-active="fr"] [data-lang="fr"], .lang[data-active="en"] [data-lang="en"] { opacity: 1; color: var(--accent); }

.burger { display: none; width: 44px; height: 44px; background: none; border: 0; cursor: pointer; position: relative; }
.burger i { position: absolute; left: 10px; right: 10px; height: 1.5px; background: currentColor; transition: transform .4s var(--ease), top .4s var(--ease); }
.burger i:first-child { top: 17px; }
.burger i:last-child { top: 26px; }
.burger[aria-expanded="true"] i:first-child { top: 21.5px; transform: rotate(45deg); }
.burger[aria-expanded="true"] i:last-child { top: 21.5px; transform: rotate(-45deg); }

/* ── Hero ─────────────────────────────────────────────────── */
.hero { height: calc(var(--vh, 1vh) * 480); position: relative; background: #000; color: #fff; }
.hero-sticky { position: sticky; top: 0; height: calc(var(--vh, 1vh) * 100); height: 100svh; overflow: hidden; }
#ink { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-veil {
  position: absolute; inset: 0; pointer-events: none;
  background:
    linear-gradient(to bottom, rgba(0,0,0,.55), transparent 22%, transparent 70%, rgba(0,0,0,.75)),
    rgba(0, 0, 0, var(--veil, 0));
}

.hero-title {
  position: absolute; left: 50%; top: 50%; z-index: 110;
  font-weight: 700; font-size: clamp(3.2rem, 15vw, 15rem); letter-spacing: -.035em; line-height: 1;
  white-space: nowrap; transform: translate(-50%, -50%); transform-origin: 50% 50%;
  will-change: transform; pointer-events: none;
}
.hero-title span { color: color-mix(in srgb, #fff, var(--blue-hi) calc(var(--t, 0) * 100%)); }
.hero-title.pinned { position: fixed; }

.hero-kicker {
  position: absolute; left: 0; right: 0; top: calc(50% - clamp(3.2rem, 15vw, 15rem) * .5 - 54px);
  text-align: center; font-size: clamp(.68rem, 1vw, .82rem); font-weight: 500; letter-spacing: .34em; text-transform: uppercase;
  opacity: var(--o, 1);
}
.hero-kicker span { color: var(--blue-hi); margin: 0 .6em; }

.hero-lines { position: absolute; inset: 0; display: grid; place-items: center; pointer-events: none; }
.hl {
  grid-area: 1 / 1; text-align: center; padding: 0 var(--pad);
  font-size: clamp(2.3rem, 6.6vw, 6.4rem); font-weight: 700; letter-spacing: -.035em; line-height: 1.04;
  opacity: 0; will-change: transform, opacity; text-shadow: 0 2px 40px rgba(0, 0, 0, .45);
}
.scroll-hint {
  position: absolute; left: 50%; bottom: 34px; transform: translateX(-50%);
  display: grid; justify-items: center; gap: 12px; opacity: var(--o, 1);
  font-size: .68rem; font-weight: 500; letter-spacing: .34em; text-transform: uppercase;
}
.scroll-hint i { width: 1px; height: 46px; background: linear-gradient(#fff, transparent); animation: hint 2s var(--ease) infinite; transform-origin: 50% 0; }
@keyframes hint { 0% { transform: scaleY(0); } 60% { transform: scaleY(1); opacity: 1; } 100% { transform: scaleY(1); opacity: 0; } }

/* ── À propos ─────────────────────────────────────────────── */
.about { padding: calc(var(--vh, 1vh) * 26) 0 calc(var(--vh, 1vh) * 20); }
.about-grid { display: grid; grid-template-columns: minmax(0, 6fr) minmax(0, 5fr); gap: clamp(36px, 7vw, 120px); align-items: start; }
.about-body { display: grid; gap: 22px; padding-top: clamp(34px, 3.4vw, 52px); }
.about-body p { font-size: clamp(1rem, 1.35vw, 1.2rem); color: rgba(255, 255, 255, .62); max-width: 52ch; }
.about-body .lead { font-size: clamp(1.25rem, 2.1vw, 1.8rem); font-weight: 600; line-height: 1.35; letter-spacing: -.015em; color: #fff; }
.about-body b { color: #fff; font-weight: 600; }
.about-body .lead b { color: var(--blue-hi); }
.cv { position: relative; display: flex; align-items: center; flex-wrap: wrap; gap: 14px 18px; margin-top: 10px; min-height: 54px; }
.btn-ghost { background: none; border: 1px solid rgba(255, 255, 255, .3); }
.btn-ghost:hover { background: var(--blue); border-color: var(--blue); }
.btn-ghost.nope { animation: nope .55s var(--ease); }
.btn-ghost.nope i { animation: drop .7s var(--ease); }
.cv-toast { font-size: .92rem; font-weight: 500; color: var(--blue-hi); opacity: 0; transform: translateX(-10px); transition: opacity .4s, transform .5s var(--ease); }
.about-body .cv-toast { color: var(--blue-hi); font-size: .92rem; }
.cv-toast.show { opacity: 1; transform: none; }
@keyframes nope { 0%, 100% { translate: 0; } 20% { translate: -7px 0; } 40% { translate: 6px 0; } 60% { translate: -4px 0; } 80% { translate: 2px 0; } }
@keyframes drop { 0% { transform: none; opacity: 1; } 45% { transform: translateY(14px); opacity: 0; } 46% { transform: translateY(-14px); opacity: 0; } 100% { transform: none; opacity: 1; } }
.about-head [data-reveal]:nth-child(2) { transition-delay: .08s; }
.about-body [data-reveal]:nth-child(1) { transition-delay: .16s; }
.about-body [data-reveal]:nth-child(2) { transition-delay: .26s; }
.about-body [data-reveal]:nth-child(3) { transition-delay: .36s; }
.about-body [data-reveal]:nth-child(4) { transition-delay: .46s; }

/* ── Ruban : deux lignes de mots qui glissent en sens opposés ── */
.ribbon { overflow: hidden; padding: 0 0 calc(var(--vh, 1vh) * 16); display: grid; gap: 14px; }
.ribbon-track { white-space: nowrap; width: max-content; will-change: transform; font-size: clamp(.82rem, 1.25vw, 1.1rem); font-weight: 600; letter-spacing: .2em; text-transform: uppercase; color: rgba(255, 255, 255, .62); }
.ribbon-track.rev { color: rgba(255, 255, 255, .32); }
.ribbon-track i { font-style: normal; color: var(--blue-hi); margin: 0 1.1em; }

/* ── Parcours ─────────────────────────────────────────────── */
.parcours { padding: calc(var(--vh, 1vh) * 22) 0 calc(var(--vh, 1vh) * 24); background: linear-gradient(#000, #06080d 16%, #06080d 84%, #000); }
.tl { position: relative; margin-top: clamp(60px, calc(var(--vh, 1vh) * 10), 120px); padding-left: clamp(34px, 6vw, 90px); display: grid; gap: clamp(54px, calc(var(--vh, 1vh) * 9), 96px); }
.tl-line { list-style: none; position: absolute; left: 5px; top: 10px; bottom: 10px; width: 2px; background: var(--line); border-radius: 2px; overflow: hidden; }
.tl-line i { position: absolute; inset: 0; background: var(--blue-hi); transform-origin: 50% 0; transform: scaleY(0); }
.tl-item { position: relative; max-width: 760px; }
.tl-item::before {
  content: ""; position: absolute; left: calc(-1 * clamp(34px, 6vw, 90px)); top: .55em; width: 12px; height: 12px; border-radius: 50%;
  background: #06080d; border: 2px solid var(--blue-hi); transition: background-color .5s .2s, box-shadow .5s .2s;
}
.tl-item.in::before { background: var(--blue-hi); box-shadow: 0 0 0 7px rgba(61, 139, 255, .16); }
.tl-tag { font-size: .74rem; font-weight: 600; letter-spacing: .22em; text-transform: uppercase; color: var(--mute); }
.tl-tag.now { color: #fff; background: var(--blue); padding: 5px 12px; border-radius: 99px; letter-spacing: .16em; }
.tl-item h3 { font-size: clamp(1.6rem, 3.6vw, 3rem); font-weight: 700; letter-spacing: -.03em; line-height: 1.1; margin: 12px 0 12px; }
.tl-item p { font-size: clamp(1rem, 1.3vw, 1.15rem); color: color-mix(in srgb, var(--fg) 66%, transparent); max-width: 60ch; }
.aka { margin-top: clamp(70px, calc(var(--vh, 1vh) * 12), 130px); font-size: clamp(1.1rem, 2vw, 1.6rem); font-weight: 500; letter-spacing: -.01em; }
.aka b { color: var(--blue-hi); font-weight: 700; }

/* ── Objectifs ────────────────────────────────────────────── */
.goals { padding: calc(var(--vh, 1vh) * 18) 0 calc(var(--vh, 1vh) * 22); }
.track { position: relative; display: flex; margin: clamp(64px, calc(var(--vh, 1vh) * 11), 120px) 0 clamp(64px, calc(var(--vh, 1vh) * 11), 120px); }
.track::before, .track-fill { content: ""; position: absolute; left: 0; right: 0; top: 5px; height: 2px; border-radius: 2px; }
.track::before { background: var(--line); }
.track-fill { background: var(--blue-hi); transform-origin: 0 50%; transform: scaleX(var(--p, 0)); box-shadow: 0 0 14px rgba(61, 139, 255, .7); }
.step { position: relative; flex: 1; padding: 34px 18px 0 0; opacity: .38; transition: opacity .6s; }
.step::before { content: ""; position: absolute; left: 0; top: 0; width: 12px; height: 12px; border-radius: 50%; background: #000; border: 2px solid var(--blue-hi); transition: background-color .4s, box-shadow .4s; }
.step.on { opacity: 1; }
.step.on::before { background: var(--blue-hi); box-shadow: 0 0 0 7px rgba(61, 139, 255, .16); }
.step b { display: block; font-size: clamp(1.05rem, 1.7vw, 1.5rem); font-weight: 700; letter-spacing: -.02em; line-height: 1.15; }
.step span { display: block; margin-top: 6px; font-size: .72rem; font-weight: 600; letter-spacing: .2em; text-transform: uppercase; color: var(--mute); }
.goals-grid { display: grid; grid-template-columns: minmax(0, 6fr) minmax(0, 5fr); gap: clamp(40px, 7vw, 110px); }
.goals-label { font-size: .78rem; font-weight: 600; letter-spacing: .24em; text-transform: uppercase; color: var(--mute); margin-bottom: 18px; }
.goals-text { font-size: clamp(1.15rem, 1.9vw, 1.65rem); font-weight: 500; line-height: 1.4; letter-spacing: -.01em; color: rgba(255, 255, 255, .78); }
.goals-text b { color: var(--blue-hi); font-weight: 600; }

/* ── Centres d'intérêt (horizontal) ───────────────────────── */
.hz { height: calc(var(--vh, 1vh) * 520); position: relative; }
.hz-sticky { position: sticky; top: 0; height: calc(var(--vh, 1vh) * 100); height: 100svh; overflow: hidden; }
.hz-head {
  position: absolute; z-index: 3; left: var(--pad); right: var(--pad); top: 96px;
  display: flex; justify-content: space-between; align-items: baseline;
}
.hz-count { font-size: .8rem; font-weight: 600; letter-spacing: .2em; color: var(--mute); font-variant-numeric: tabular-nums; }
.hz-count span { color: var(--fg); }
.hz-track { display: flex; height: 100%; width: 400vw; will-change: transform; }

.panel {
  position: relative; flex: 0 0 100vw; height: 100%; padding: 150px var(--pad) 70px;
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); align-items: center; gap: clamp(24px, 5vw, 90px);
}
.panel::before {
  content: attr(data-word); position: absolute; left: 50%; top: 50%; z-index: 0;
  font-size: 23vw; font-weight: 800; letter-spacing: -.05em; line-height: 1; white-space: nowrap;
  color: transparent; -webkit-text-stroke: 1px rgba(255, 255, 255, .09);
  transform: translate(calc(-50% + var(--d, 0) * 22vw), -50%); pointer-events: none;
}
.panel-text, .panel-visual { position: relative; z-index: 1; }
.panel-num { font-size: .86rem; font-weight: 600; letter-spacing: .24em; color: var(--blue-hi); }
.panel h2 { font-size: clamp(3rem, 9vw, 8.4rem); font-weight: 700; letter-spacing: -.045em; line-height: .98; margin: 10px 0 26px; }
.panel-text p { font-size: clamp(1rem, 1.35vw, 1.22rem); color: rgba(255, 255, 255, .68); max-width: 46ch; }
.panel-visual { display: grid; justify-items: center; gap: 22px; }
.visual-hint { font-size: .72rem; font-weight: 500; letter-spacing: .3em; text-transform: uppercase; color: var(--mute); }

/* Foot */
.pitch { position: relative; width: min(100%, 560px); height: clamp(150px, calc(var(--vh, 1vh) * 30), 260px); }
.pitch-line { position: absolute; left: 0; right: 0; bottom: 0; height: 2px; background: linear-gradient(90deg, transparent, var(--blue-hi) 20%, var(--blue-hi) 80%, transparent); }
.ball {
  position: absolute; bottom: 2px; left: 50%; width: clamp(110px, calc(var(--vh, 1vh) * 22), 200px); height: auto; margin-left: calc(clamp(110px, calc(var(--vh, 1vh) * 22), 200px) / -2);
  transform: translateX(calc(var(--d, 0) * -210px)) rotate(calc(var(--d, 0) * -420deg));
  filter: drop-shadow(0 0 34px rgba(61, 139, 255, .45));
}

/* Piano */
.piano { position: relative; display: flex; width: min(100%, 560px); height: clamp(170px, calc(var(--vh, 1vh) * 30), 250px); user-select: none; -webkit-user-select: none; touch-action: none; }
.key { position: relative; flex: 1; margin: 0 1.5px; border: 0; border-radius: 0 0 9px 9px; background: linear-gradient(#fff, #e9edf3); cursor: pointer; transform-origin: 50% 0; transition: transform .08s, background .12s, box-shadow .12s; box-shadow: 0 8px 0 #b9c0cc; }
.key.down { transform: translateY(5px); box-shadow: 0 3px 0 #b9c0cc; background: linear-gradient(#fff, var(--blue-hi)); }
.key.black {
  position: absolute; top: 0; z-index: 2; flex: none; width: 6%; height: 60%; margin: 0 0 0 -3%;
  background: linear-gradient(#26262b, #050506); border-radius: 0 0 6px 6px; box-shadow: 0 5px 0 #000, 0 0 0 1px rgba(255,255,255,.08);
}
.key.black.down { background: linear-gradient(#1b60b0, #3d8bff); transform: translateY(3px); box-shadow: 0 2px 0 #000; }

/* Compte-tours */
.tach { position: relative; width: min(100%, clamp(240px, calc(var(--vh, 1vh) * 44), 400px)); aspect-ratio: 1; }
.tach svg { width: 100%; height: 100%; overflow: visible; }
.tach path { fill: none; stroke-width: 10; stroke-linecap: round; }
.tach-bg { stroke: rgba(255, 255, 255, .1); }
.tach-fill { stroke: var(--blue-hi); stroke-dasharray: 589.05; stroke-dashoffset: 589.05; filter: drop-shadow(0 0 10px rgba(61, 139, 255, .7)); }
.tach-red { stroke: rgba(255, 255, 255, .38); }
#tachTicks line { stroke: rgba(255, 255, 255, .5); stroke-width: 2; }
#tachTicks text { fill: rgba(255, 255, 255, .6); font: 600 13px "Montserrat", sans-serif; text-anchor: middle; dominant-baseline: middle; }
#tachNeedle { transform-origin: 150px 150px; transform: rotate(-135deg); }
#tachNeedle line { stroke: #fff; stroke-width: 3.5; stroke-linecap: round; }
.tach-read { position: absolute; left: 0; right: 0; bottom: 9%; text-align: center; line-height: 1; }
.tach-read b { display: block; font-size: clamp(1.8rem, calc(var(--vh, 1vh) * 4.4), 2.8rem); font-weight: 700; letter-spacing: -.03em; font-variant-numeric: tabular-nums; }
.tach-read span { font-size: .68rem; letter-spacing: .28em; text-transform: uppercase; color: var(--mute); }

/* Terminal */
.term { width: min(100%, 560px); border-radius: 14px; background: #0b0b0e; border: 1px solid rgba(255, 255, 255, .12); box-shadow: 0 40px 90px -30px rgba(61, 139, 255, .45); overflow: hidden; }
.term-bar { display: flex; align-items: center; gap: 7px; padding: 12px 14px; border-bottom: 1px solid rgba(255, 255, 255, .08); }
.term-bar i { width: 11px; height: 11px; border-radius: 50%; background: rgba(255, 255, 255, .18); }
.term-bar i:first-child { background: var(--blue-hi); }
.term-bar span { margin-left: auto; margin-right: auto; padding-right: 47px; font-size: .72rem; color: var(--mute); }
.term-body {
  min-height: clamp(190px, calc(var(--vh, 1vh) * 30), 250px); padding: 18px 20px 22px; white-space: pre-wrap;
  font: 500 clamp(.78rem, 1.15vw, .95rem)/1.75 ui-monospace, "SF Mono", Menlo, Consolas, monospace; color: rgba(255, 255, 255, .86);
}
.term-body .p { color: var(--blue-hi); }
.term-body .o { color: rgba(255, 255, 255, .55); }
.term-body .caret { display: inline-block; width: .55em; height: 1.1em; vertical-align: -.2em; background: var(--blue-hi); animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* ── Inspirations ─────────────────────────────────────────── */
.insp { padding: calc(var(--vh, 1vh) * 20) 0 calc(var(--vh, 1vh) * 22); }
.insp-note { font-size: .74rem; font-weight: 600; letter-spacing: .2em; text-transform: uppercase; color: var(--mute); white-space: nowrap; }
.insp-tag { font-size: .72rem; font-weight: 600; letter-spacing: .18em; text-transform: uppercase; white-space: nowrap; color: #fff; background: var(--blue); padding: 7px 14px; border-radius: 99px; align-self: center; }

/* Inspirations : filtres et cartes */
.chips { display: flex; flex-wrap: wrap; gap: 10px; margin-top: clamp(40px, calc(var(--vh, 1vh) * 7), 70px); }
.chip-btn { padding: 9px 18px; border-radius: 99px; border: 1px solid rgba(255, 255, 255, .22); background: none; color: rgba(255, 255, 255, .75); font: inherit; font-size: .82rem; font-weight: 600; cursor: pointer; transition: background-color .3s, border-color .3s, color .3s; }
.chip-btn:hover { border-color: var(--blue-hi); color: #fff; }
.chip-btn.on { background: var(--blue); border-color: var(--blue); color: #fff; }
.insp-cards { display: grid; gap: 16px; margin-top: 28px; grid-template-columns: repeat(auto-fill, minmax(clamp(200px, 21vw, 260px), 1fr)); }
.icard { position: relative; min-height: 180px; padding: 22px; display: flex; flex-direction: column; justify-content: flex-end; gap: 8px; overflow: hidden; border-radius: 20px; background: #0a0c11; border: 1px solid rgba(255, 255, 255, .09); transition: transform .5s var(--ease), border-color .35s; }
.icard[hidden] { display: none; }
.icard::before { content: ""; position: absolute; inset: 0; pointer-events: none; background: radial-gradient(70% 90% at 100% 0%, rgba(61, 139, 255, .2), transparent 65%); opacity: .6; transition: opacity .35s; }
.icard:hover { transform: translateY(-6px); border-color: rgba(61, 139, 255, .7); }
.icard:hover::before { opacity: 1; }
.icard-cat { position: absolute; left: 22px; top: 20px; font-size: .64rem; font-weight: 600; letter-spacing: .22em; text-transform: uppercase; color: var(--blue-hi); }
.icard h3 { position: relative; font-size: clamp(1.25rem, 1.9vw, 1.7rem); font-weight: 700; letter-spacing: -.03em; line-height: 1.1; }
.icard p { position: relative; font-size: .78rem; line-height: 1.45; color: var(--mute); }
.icard .insp-tag { position: relative; align-self: flex-start; font-size: .62rem; padding: 5px 11px; margin-top: 4px; }
.icard.featured { grid-column: span 2; min-height: 230px; }
.icard.featured h3 { font-size: clamp(2rem, 4.2vw, 3.6rem); letter-spacing: -.045em; }
.icard.pop { animation: pop .5s var(--ease) backwards; }
@keyframes pop { from { opacity: 0; transform: translateY(16px) scale(.97); } }

/* Écoles : une ligne par école, qui s'ouvre sur le « pourquoi » */
.acc { border-bottom: 1px solid var(--line); }
.acc:first-child { border-top: 1px solid var(--line); }
.acc-head { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: clamp(16px, calc(var(--vh, 1vh) * 2.6), 26px) 0; background: none; border: 0; color: inherit; font: inherit; text-align: left; cursor: pointer; }
.acc-head h3 { font-size: clamp(1.6rem, 4vw, 3.2rem); font-weight: 700; letter-spacing: -.035em; line-height: 1.05; transition: color .35s; }
.acc-head:hover h3, .acc.open h3 { color: var(--blue-hi); }
.acc-icon { position: relative; flex: none; width: 34px; height: 34px; border-radius: 50%; border: 1px solid rgba(255, 255, 255, .3); transition: transform .5s var(--ease), background-color .3s, border-color .3s; }
.acc-icon::before, .acc-icon::after { content: ""; position: absolute; left: 50%; top: 50%; width: 12px; height: 1.5px; background: #fff; transform: translate(-50%, -50%); }
.acc-icon::after { transform: translate(-50%, -50%) rotate(90deg); transition: opacity .3s; }
.acc.open .acc-icon { transform: rotate(180deg); background: var(--blue); border-color: var(--blue); }
.acc.open .acc-icon::after { opacity: 0; }
.acc-panel { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .55s var(--ease); }
.acc.open .acc-panel { grid-template-rows: 1fr; }
.acc-panel > div { overflow: hidden; }
.acc-panel p { padding: 0 50px 24px 0; font-size: clamp(1rem, 1.3vw, 1.15rem); color: rgba(255, 255, 255, .7); max-width: 52ch; }

/* ── Projets ──────────────────────────────────────────────── */
.projects { padding: calc(var(--vh, 1vh) * 20) 0 calc(var(--vh, 1vh) * 7); background: linear-gradient(#000, #05070b 14%, #05070b 86%, #000); }
.proj-list { width: min(1280px, 100% - 2 * clamp(12px, 3vw, 40px)); margin: clamp(60px, calc(var(--vh, 1vh) * 10), 110px) auto 0; }
.proj {
  position: sticky; top: calc(84px + var(--i) * 16px);
  display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 7fr); gap: clamp(20px, 4vw, 60px); align-items: center;
  min-height: min(calc(var(--vh, 1vh) * 78), 720px); margin-bottom: calc(var(--vh, 1vh) * 9); padding: clamp(26px, 4.4vw, 64px);
  background: #0a0c11; color: #fff; border-radius: clamp(22px, 2.6vw, 38px); overflow: hidden; border: 1px solid rgba(255, 255, 255, .09);
  transform-origin: 50% 0; will-change: transform;
  box-shadow: 0 -22px 60px -20px rgba(0, 0, 0, .9);
}
.proj:nth-child(1) { --i: 0; }
.proj:nth-child(2) { --i: 1; }
.proj:nth-child(3) { --i: 2; }
.proj::before { content: ""; position: absolute; inset: 0; pointer-events: none; background: radial-gradient(90% 120% at 100% 0%, rgba(61, 139, 255, .26), transparent 60%); }
.proj::after { content: ""; position: absolute; inset: 0; pointer-events: none; background: #000; opacity: var(--dim, 0); border-radius: inherit; }
.proj-meta { position: relative; }
.chip { display: inline-block; font-size: .72rem; font-weight: 600; letter-spacing: .2em; text-transform: uppercase; color: var(--blue-hi); border: 1px solid rgba(61, 139, 255, .5); padding: 6px 14px; border-radius: 99px; }
.proj h3 { font-size: clamp(2rem, 4vw, 3.9rem); font-weight: 700; letter-spacing: -.04em; line-height: 1; margin: 22px 0 18px; }
.proj-meta p { color: rgba(255, 255, 255, .66); font-size: clamp(.98rem, 1.25vw, 1.12rem); max-width: 40ch; }
.link { display: inline-flex; gap: 8px; margin-top: 26px; font-weight: 600; color: var(--blue-hi); border-bottom: 1.5px solid transparent; transition: border-color .3s; }
.link:hover { border-color: currentColor; }
.link i { font-style: normal; transition: transform .3s var(--ease); }
.link:hover i { transform: translate(3px, -3px); }

.proj-media { position: relative; padding-bottom: 9%; perspective: 1400px; }
.frame { border-radius: 12px; overflow: hidden; background: #111; box-shadow: 0 30px 80px -20px rgba(0, 0, 0, .8), 0 0 0 1px rgba(255, 255, 255, .1); cursor: zoom-in; }
.frame img { width: 100%; height: auto; }
.frame-bar { display: flex; gap: 6px; padding: 9px 12px; background: #1a1a1e; }
.frame-bar i { width: 9px; height: 9px; border-radius: 50%; background: rgba(255, 255, 255, .22); }
.f1 { width: 90%; transform: rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg)); transition: transform .6s var(--ease); }
.f2 { position: absolute; right: 0; bottom: 0; width: 52%; transform: translateY(calc(var(--par, 0) * 46px)) rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg)) translateZ(46px); transition: transform .6s var(--ease), scale .7s var(--ease); }
.frame.f2:hover { scale: 1.04; }

/* ── Contact ──────────────────────────────────────────────── */
.contact { position: relative; background: #000; color: #fff; overflow: hidden; overflow: clip; padding-top: calc(var(--vh, 1vh) * 22); --accent: var(--blue-hi); --mute: rgba(255,255,255,.5); --line: rgba(255,255,255,.2); }
.contact-smoke { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0; transition: opacity 1.6s; }
.contact-smoke.on { opacity: .62; }
.contact-shade { position: absolute; inset: 0; background: linear-gradient(to bottom, #000 2%, rgba(0, 0, 0, .35) 40%, rgba(0, 0, 0, .55) 75%, #000 100%); }
.contact-wrap { position: relative; }
.contact-grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: clamp(40px, 7vw, 110px); align-items: start; }
.mega { font-size: clamp(2.8rem, 12.5vw, 12rem); font-weight: 700; letter-spacing: -.05em; line-height: 1; white-space: nowrap; margin: 12px 0 clamp(40px, calc(var(--vh, 1vh) * 8), 84px); }
.mega > span:not(.ln), .mega .ln-i span { color: var(--blue-hi); }
.contact-info { display: grid; gap: 22px; padding-top: clamp(24px, 3.4vw, 44px); }
.contact-info li { display: grid; grid-template-columns: 110px 1fr; align-items: baseline; gap: 12px; }
.contact-info li > span { font-size: .72rem; font-weight: 600; letter-spacing: .22em; text-transform: uppercase; color: var(--mute); }
.contact-info a { justify-self: start; font-size: clamp(1rem, 1.6vw, 1.3rem); font-weight: 500; padding-bottom: 2px; background: linear-gradient(currentColor, currentColor) 0 100% / 0 1.5px no-repeat; transition: background-size .4s var(--ease), color .3s; }
.contact-info a:hover { background-size: 100% 1.5px; color: var(--blue-hi); }
.socials { display: flex; flex-wrap: wrap; gap: 8px 24px; }
.socials i { font-style: normal; font-size: .8em; opacity: .6; }

.form {
  display: grid; gap: 26px; padding: clamp(24px, 3.4vw, 44px); border-radius: 26px;
  background: rgba(7, 8, 12, .78); border: 1px solid rgba(255, 255, 255, .12);
}
.form-foot { display: flex; align-items: center; flex-wrap: wrap; gap: 12px 20px; }
.form-status { font-size: .9rem; font-weight: 500; color: rgba(255, 255, 255, .7); }
.form-status.ok { color: #5fd69a; }
.form-status.bad { color: #ff7b7b; }
.form .btn { position: relative; }
.form .btn span, .form .btn i { transition: opacity .3s, transform .3s var(--ease); }
.btn-check { position: absolute; left: 50%; top: 50%; width: 32px; height: 32px; margin: -16px 0 0 -16px; fill: none; stroke: #fff; stroke-width: 5; stroke-linecap: round; stroke-linejoin: round; opacity: 0; }
.btn-check circle { stroke-dasharray: 233; stroke-dashoffset: 233; }
.btn-check path { stroke-dasharray: 48; stroke-dashoffset: 48; }
.btn.done { pointer-events: none; background: var(--blue-hi); box-shadow: 0 16px 40px -12px rgba(61, 139, 255, .8); }
.btn.done span, .btn.done i { opacity: 0; }
.btn.done .btn-check { opacity: 1; }
.btn.done .btn-check circle { animation: draw .8s var(--ease) .1s forwards; }
.btn.done .btn-check path { animation: draw .5s var(--ease) .65s forwards; }
.form.busy .btn { opacity: .5; pointer-events: none; }
.honey { display: none; } /* jamais affiché ni rempli par la saisie automatique : seuls les robots y écrivent */
.field { position: relative; display: block; }
.field input, .field textarea {
  width: 100%; padding: 22px 0 10px; background: none; border: 0; border-bottom: 1px solid var(--line);
  font-size: 1.02rem; outline: none; resize: vertical; transition: border-color .3s; border-radius: 0;
}
.field textarea { min-height: 110px; }
.field span { position: absolute; left: 0; top: 20px; color: var(--mute); pointer-events: none; transform-origin: 0 0; transition: transform .35s var(--ease), color .35s; }
.field input:focus, .field textarea:focus { border-color: var(--blue-hi); }
.field input:focus + span, .field textarea:focus + span,
.field input:not(:placeholder-shown) + span, .field textarea:not(:placeholder-shown) + span { transform: translateY(-20px) scale(.74); color: var(--blue-hi); }

.btn {
  display: inline-flex; align-items: center; justify-content: space-between; gap: 22px; justify-self: start;
  padding: 16px 26px; border: 0; border-radius: 99px; background: var(--blue); color: #fff; font-weight: 600; cursor: pointer;
  transition: background-color .3s, transform .3s var(--ease), box-shadow .3s;
}
.btn:hover { background: var(--blue-hi); transform: translateY(-2px); box-shadow: 0 16px 40px -12px rgba(61, 139, 255, .7); }
.btn i { font-style: normal; transition: transform .3s var(--ease); }
.btn:hover i { transform: translateX(5px); }

.footer { position: relative; margin-top: calc(var(--vh, 1vh) * 16); padding: 0 var(--pad) 30px; }
.to-top { width: 52px; height: 52px; margin: 0 auto 40px; display: grid; place-items: center; border-radius: 50%; border: 1px solid rgba(255, 255, 255, .3); transition: background-color .3s, border-color .3s, transform .35s var(--ease); }
.to-top svg { width: 20px; height: 20px; fill: none; stroke: #fff; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; transition: transform .35s var(--ease); }
.to-top:hover { background: var(--blue); border-color: var(--blue); }
.to-top:hover svg { transform: translateY(-3px); }
.footer-row { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 20px; padding-top: 22px; border-top: 1px solid rgba(255, 255, 255, .12); }
.end { justify-self: start; font-size: clamp(2rem, 3.4vw, 3rem); font-weight: 700; letter-spacing: -.03em; line-height: 1; color: transparent; -webkit-text-stroke: .7px rgba(255, 255, 255, .7); user-select: none; }
.copy { font-size: .74rem; color: rgba(255, 255, 255, .45); text-align: center; }
.copy b { color: var(--blue-hi); font-weight: 600; }
.sig-foot { justify-self: end; width: clamp(42px, 3.6vw, 54px); height: auto; overflow: visible; opacity: .8; }
.sig-foot .sig-path { stroke-width: 12; transition: stroke-dashoffset 1.3s cubic-bezier(.5, 0, .2, 1) .5s; }
.footer-row.in .sig-path { stroke-dashoffset: 0; }

/* ── Aperçu ───────────────────────────────────────────────── */
.lightbox { position: fixed; inset: 0; z-index: 200; display: grid; place-items: center; padding: 4vmin; background: rgba(0, 0, 0, .86); -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px); opacity: 0; visibility: hidden; transition: opacity .4s, visibility .4s; cursor: zoom-out; }
.lightbox.open { opacity: 1; visibility: visible; }
.lightbox img { max-width: 100%; max-height: calc(var(--vh, 1vh) * 90); border-radius: 12px; transform: scale(.94); transition: transform .5s var(--ease); box-shadow: 0 40px 120px rgba(0, 0, 0, .8); }
.lightbox.open img { transform: none; }
.lightbox button { position: absolute; top: 18px; right: 22px; width: 44px; height: 44px; border-radius: 50%; border: 1px solid rgba(255, 255, 255, .3); background: none; color: #fff; font-size: 1.5rem; line-height: 1; cursor: pointer; }

/* ── Page « message envoyé » ──────────────────────────────── */
.success-page { background: #000; color: #fff; min-height: calc(var(--vh, 1vh) * 100); overflow: hidden; }
.success-page .contact-smoke, .success-page .contact-shade { position: fixed; }
.success { position: relative; min-height: calc(var(--vh, 1vh) * 100); min-height: 100svh; display: grid; place-content: center; justify-items: center; gap: 22px; text-align: center; padding: var(--pad); }
.success svg { width: 84px; height: 84px; fill: none; stroke: var(--blue-hi); stroke-width: 3; stroke-linecap: round; stroke-linejoin: round; }
.success svg circle { stroke-dasharray: 233; stroke-dashoffset: 233; animation: draw 1s var(--ease) .2s forwards; }
.success svg path { stroke: #fff; stroke-dasharray: 48; stroke-dashoffset: 48; animation: draw .6s var(--ease) .9s forwards; }
@keyframes draw { to { stroke-dashoffset: 0; } }
.success h1 { font-size: clamp(2.6rem, 8vw, 6rem); font-weight: 700; letter-spacing: -.045em; line-height: 1; }
.success h1 span { color: var(--blue-hi); }
.nf-code { font-size: clamp(5rem, 22vw, 15rem); font-weight: 800; letter-spacing: -.05em; line-height: .85; color: transparent; -webkit-text-stroke: 1px rgba(255, 255, 255, .4); }
.success p { color: rgba(255, 255, 255, .7); margin-bottom: 14px; }
.success .btn { justify-self: center; }

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 860px) {
  .burger { display: block; }
  .nav-links {
    position: fixed; inset: 0; z-index: 1; flex-direction: column; justify-content: center; align-items: flex-start; gap: 6px;
    padding: 0 var(--pad); background: #000; color: #fff; font-size: clamp(2rem, 9vw, 3rem); font-weight: 700; letter-spacing: -.03em;
    opacity: 0; visibility: hidden; transition: opacity .45s var(--ease), visibility .45s;
  }
  .nav-links a { opacity: 1; transform: translateY(24px); transition: transform .6s var(--ease); }
  .nav-links .nav-cta { background: none; padding: 6px 0; color: var(--blue-hi); }
  .nav.open .nav-links { opacity: 1; visibility: visible; }
  .nav.open .nav-links a { transform: none; }
  .nav.open { color: #fff; --line: rgba(255, 255, 255, .2); --accent: var(--blue-hi); }
  .about-grid { grid-template-columns: 1fr; align-items: start; }

  .panel { grid-template-columns: 1fr; align-content: center; gap: 30px; padding: 130px var(--pad) 40px; }
  .panel-text p { font-size: .98rem; }
  .panel h2 { margin-bottom: 14px; }
  .panel::before { font-size: 30vw; top: 26%; }

  .proj { grid-template-columns: 1fr; min-height: 0; top: calc(74px + var(--i) * 12px); }
  .contact-grid { grid-template-columns: 1fr; }
  .contact-info { padding-top: 0; }
  .icard.featured { grid-column: 1 / -1; }
  .goals-grid { grid-template-columns: 1fr; }
  .track { flex-direction: column; gap: 30px; padding-left: 34px; }
  .track::before, .track-fill { left: 5px; right: auto; top: 6px; bottom: 6px; width: 2px; height: auto; }
  .track-fill { transform-origin: 50% 0; transform: scaleY(var(--p, 0)); }
  .step { padding: 0; }
  .step::before { left: -34px; top: .25em; }
  .footer-row { grid-template-columns: 1fr 1fr; }
  .copy { grid-column: 1 / -1; grid-row: 2; }
  .hero-kicker { font-size: .58rem; letter-spacing: .2em; }
  .contact-info li { grid-template-columns: 1fr; gap: 2px; }
}

@media (max-height: 620px) and (min-width: 861px) {
  .panel { padding-top: 120px; padding-bottom: 30px; }
  .panel h2 { font-size: clamp(2.6rem, 7vw, 5rem); }
}

@media (prefers-reduced-motion: reduce) {
  .js [data-reveal] { opacity: 1; transform: none; transition: none; }
  .ln-i { transform: none; transition: none; }
  .loader, .loader svg { transition-duration: .2s; }
  .loader .sig-path { animation-duration: .01s; }
  .sig-foot .sig-path { transition: none; }
  .scroll-hint i, .term-body .caret { animation: none; }
  body { transition: none; }
}