/* =====================================================================
   E-portfolio Romain Saccucci · identité « bureau d'études »
   calque technique, lignes de cote, typographie éditoriale
   ===================================================================== */
:root {
  --ink: #0b141c;
  --ink-2: #111d28;
  --ink-3: #1a2a38;
  --paper: #f2eee6;
  --paper-2: #e9e3d8;
  --card: #fbf9f5;
  --line: #ddd5c7;
  --line-dk: rgba(255,255,255,.09);
  --muted: #6a7480;
  --text: #17212b;
  --accent: #ff6b2c;
  --accent-2: #ffad66;
  --blue: #6fa3d6;
  --c1: #ff6b2c; --c2: #2f9b80; --c3: #3d78b0; --c4: #c2462e; --c5: #7d5cc0;
  --r: 22px;
  --ease: cubic-bezier(.2,.8,.2,1);
  --shadow: 0 1px 2px rgba(11,20,28,.04), 0 18px 50px -18px rgba(11,20,28,.22);
  --max: 1240px;
  --display: "Space Grotesk", "Inter", sans-serif;
  --serif: "Instrument Serif", Georgia, serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: "Inter", system-ui, sans-serif; background: var(--paper); color: var(--text); line-height: 1.65; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
::selection { background: var(--accent); color: var(--ink); }
h1, h2, h3, h4 { font-family: var(--display); letter-spacing: -.03em; line-height: 1.04; font-weight: 600; }
em.serif, .serif { font-family: var(--serif); font-style: italic; font-weight: 400; letter-spacing: -.01em; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 28px; }
.mono { font-family: var(--mono); font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; }
.eyebrow { font-family: var(--mono); font-size: .72rem; font-weight: 500; letter-spacing: .14em; text-transform: uppercase; color: var(--accent); display: inline-flex; align-items: center; gap: 10px; }
.eyebrow::before { content: ""; width: 22px; height: 1px; background: currentColor; }
.grain::after { content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .035; display: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='180' height='180'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>"); }

/* ---------------- barre de progression + navigation */
.progress { position: fixed; top: 0; left: 0; height: 2px; width: 100%; transform: scaleX(0); transform-origin: left; will-change: transform; background: linear-gradient(90deg, var(--accent), var(--accent-2)); z-index: 100; }
.nav { position: fixed; top: 16px; left: 50%; transform: translateX(-50%); z-index: 60; width: min(calc(100% - 32px), 1180px); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 62px; padding: 0 10px 0 18px; border-radius: 999px; transition: background .4s var(--ease), box-shadow .4s, border-color .4s; border: 1px solid transparent; }
.nav.solid .nav-inner, .nav.light .nav-inner { background: rgba(251,249,245,.96); border-color: rgba(11,20,28,.07); box-shadow: 0 10px 40px -20px rgba(11,20,28,.35); }
.brand { display: flex; align-items: center; gap: 12px; font: 600 1rem var(--display); color: #fff; letter-spacing: -.02em; }
.brand-mark { width: 36px; height: 36px; border-radius: 11px; background: var(--accent); display: grid; place-items: center; color: var(--ink); font-size: .82rem; font-weight: 700; position: relative; }
.brand small { display: block; font: 500 .62rem var(--mono); letter-spacing: .1em; opacity: .55; text-transform: uppercase; }
.nav.solid .brand, .nav.light .brand { color: var(--ink); }
.nav-links { display: flex; gap: 2px; list-style: none; align-items: center; }
.nav-links a { padding: 10px 17px; border-radius: 999px; font-size: .9rem; font-weight: 500; color: rgba(255,255,255,.78); transition: .25s var(--ease); display: block; }
.nav-links a:hover { color: #fff; background: rgba(255,255,255,.09); }
.nav.solid .nav-links a, .nav.light .nav-links a { color: var(--text); }
.nav.solid .nav-links a:hover, .nav.light .nav-links a:hover { background: rgba(11,20,28,.06); }
.nav-links a.active { background: var(--ink) !important; color: #fff !important; }
.nav:not(.solid):not(.light) .nav-links a.active { background: #fff !important; color: var(--ink) !important; }
.burger { display: none; background: none; border: 0; color: #fff; cursor: pointer; padding: 10px; }
.burger span { display: block; width: 22px; height: 2px; background: currentColor; margin: 5px 0; border-radius: 2px; }
.nav.solid .burger, .nav.light .burger { color: var(--ink); }

/* ---------------- boutons */
.btns { display: flex; gap: 12px; flex-wrap: wrap; }
.btn { position: relative; display: inline-flex; align-items: center; gap: 12px; padding: 15px 26px; border-radius: 999px; font-weight: 600; font-size: .94rem; transition: transform .35s var(--ease), box-shadow .35s, background .3s, color .3s; overflow: hidden; isolation: isolate; }
.btn svg { transition: transform .35s var(--ease); }
.btn:hover svg { transform: translateX(4px); }
button.btn { font-family: inherit; cursor: pointer; border: 0; }
button.btn-ghost { background: transparent; border: 1px solid rgba(255,255,255,.22); }
.btn-primary { background: var(--accent); color: var(--ink); box-shadow: 0 12px 30px -10px rgba(255,107,44,.6); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 18px 40px -12px rgba(255,107,44,.7); }
.btn-ghost { border: 1px solid rgba(255,255,255,.22); color: #fff; }
.btn-ghost:hover { background: #fff; color: var(--ink); }
.btn-dark { background: var(--ink); color: #fff; }
.btn-dark:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.btn-line { border: 1px solid var(--ink); color: var(--ink); }
.btn-line:hover { background: var(--ink); color: #fff; }

/* ---------------- héros */
.hero { position: relative; min-height: 100svh; background: var(--ink); color: #fff; overflow: hidden; display: flex; flex-direction: column; }
.blueprint { position: absolute; inset: 0; background-image:
  linear-gradient(rgba(111,163,214,.10) 1px, transparent 1px), linear-gradient(90deg, rgba(111,163,214,.10) 1px, transparent 1px),
  linear-gradient(rgba(111,163,214,.045) 1px, transparent 1px), linear-gradient(90deg, rgba(111,163,214,.045) 1px, transparent 1px);
  background-size: 120px 120px, 120px 120px, 24px 24px, 24px 24px; mask-image: radial-gradient(ellipse 80% 70% at 65% 45%, #000 25%, transparent 80%); }
.spot { position: absolute; width: 720px; height: 720px; border-radius: 50%; pointer-events: none; background: radial-gradient(circle, rgba(255,107,44,.22), rgba(255,107,44,0) 62%); transform: translate(-50%, -50%); left: 70%; top: 40%; transition: left 1.2s var(--ease), top 1.2s var(--ease); will-change: left, top; }
.hero-top { position: relative; display: flex; justify-content: space-between; padding: 110px 28px 0; max-width: var(--max); margin: 0 auto; width: 100%; color: rgba(255,255,255,.45); }
.hero-main { position: relative; flex: 1; display: grid; grid-template-columns: 1.1fr .9fr; align-items: center; gap: 30px; max-width: var(--max); margin: 0 auto; width: 100%; padding: 30px 28px 40px; }
.hero h1 { font-size: clamp(3.4rem, 9.2vw, 8.4rem); font-weight: 600; line-height: .92; letter-spacing: -.055em; margin: 26px 0 26px; }
.hero h1 .line { display: block; overflow: hidden; }
.hero h1 .line span { display: inline-block; transform: translateY(105%); animation: rise 1.1s var(--ease) forwards; }
.hero h1 .line:nth-child(2) span { animation-delay: .12s; }
.hero h1 .outline { color: transparent; -webkit-text-stroke: 1.4px rgba(255,255,255,.8); }
@keyframes rise { to { transform: none; } }
.hero .lead { font-size: 1.14rem; color: rgba(255,255,255,.68); max-width: 520px; margin-bottom: 34px; opacity: 0; animation: fade 1s .5s forwards; }
.hero .lead b { color: #fff; font-weight: 500; }
.hero .btns { opacity: 0; animation: fade 1s .7s forwards; }
@keyframes fade { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
.hero-art { position: relative; opacity: 0; animation: fade 1.2s .3s forwards; }
.badge { position: absolute; background: #121f2b; border: 1px solid var(--line-dk); border-radius: 16px; padding: 14px 18px; opacity: 0; animation: fade 1s 2s forwards; }
.badge b { display: block; font: 600 1.5rem var(--display); color: #fff; letter-spacing: -.03em; }
.badge span { font: 500 .66rem var(--mono); color: rgba(255,255,255,.5); letter-spacing: .1em; text-transform: uppercase; }
.hero-art { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
.hero-art svg { flex: 0 0 100%; }
.badge { position: relative; min-width: 190px; }
.badge.b2 { animation-delay: 2.3s; }
.marquee { position: relative; border-top: 1px solid var(--line-dk); overflow: hidden; padding: 20px 0; }
.marquee-track { display: flex; gap: 56px; width: max-content; animation: scroll 38s linear infinite; }
.marquee span { font: 500 .8rem var(--mono); letter-spacing: .14em; text-transform: uppercase; color: rgba(255,255,255,.42); display: flex; align-items: center; gap: 56px; white-space: nowrap; }
.marquee span::after { content: "✦"; color: var(--accent); font-size: .7rem; }
@keyframes scroll { to { transform: translateX(-50%); } }

/* ---------------- animation du héros : construction de l'immeuble */
.hb { width: 100%; height: auto; overflow: visible; display: block; }
.hb * { vector-effect: non-scaling-stroke; }
.hb-grid line { stroke: rgba(111,163,214,.11); stroke-width: 1; }
.hb-grid { opacity: 0; animation: hbfade 1.2s .1s forwards; }
.hb-foot { fill: rgba(255,107,44,.07); stroke: #ff6b2c; stroke-width: 1.6; stroke-dasharray: 700; stroke-dashoffset: 700; animation: hbdraw 1.1s .35s var(--ease) forwards; }
.hb-slab { fill: #1c2c3a; stroke: rgba(255,255,255,.3); stroke-width: .8; opacity: 0; animation: hbfade .5s .95s forwards; }
.hb-slab.r { fill: #15222e; }
.hb-floor .fa { fill: #16273a; stroke: rgba(255,255,255,.62); stroke-width: 1; }
.hb-floor .fb { fill: #0f1c29; stroke: rgba(255,255,255,.62); stroke-width: 1; }
.hb-floor .ft { fill: #20344a; stroke: rgba(255,255,255,.35); stroke-width: .8; }
.hb-floor { transform-box: fill-box; transform-origin: 50% 100%; transform: scaleY(0); opacity: 0; animation: hbrise .75s var(--ease) forwards; }
.hb-f0 { animation-delay: 1.15s; } .hb-f1 { animation-delay: 1.65s; } .hb-f2 { animation-delay: 2.15s; }
.hb .w { fill: rgba(255,255,255,.07); stroke: rgba(255,255,255,.18); stroke-width: .6; }
.hb .w.on { animation: hblight .5s calc(3.9s + var(--i) * 70ms) forwards; }
.hb-crane line { stroke: #ffad66; stroke-width: 1.5; stroke-linecap: round; stroke-dasharray: 260; stroke-dashoffset: 260; animation: hbdraw 1.2s .55s var(--ease) forwards; }
.hb-crane line.t { stroke-width: .8; opacity: .55; animation-delay: .75s; }
.hb-crane .cw { fill: #ff6b2c; opacity: 0; animation: hbfade .4s 1.5s forwards; }
.hb .trolley { fill: #ffad66; opacity: 0; animation: hbfade .3s 1.6s forwards; }
.hb-roof .fa { fill: #2a2420; stroke: #ff6b2c; stroke-width: 1.2; }
.hb-roof .fb { fill: #201b18; stroke: #ff6b2c; stroke-width: 1.2; }
.hb-roof .rt { fill: rgba(255,107,44,.2); stroke: #ff6b2c; stroke-width: 1.4; }
.hb-roof { opacity: 0; transform: translateY(-74px); animation: hbfade .4s 1.7s forwards, hbdrop 1.2s 2.75s cubic-bezier(.3,.7,.2,1.08) forwards; }
.hb-hook { transform: translateY(-74px); opacity: 0; animation: hbfade .4s 1.7s forwards, hbdrop 1.2s 2.75s cubic-bezier(.3,.7,.2,1.08) forwards, hbup 1s 4.1s var(--ease) forwards; }
.hb-hook .cable { stroke: rgba(255,255,255,.7); stroke-width: 1; }
.hb-hook .hk { fill: none; stroke: #ffad66; stroke-width: 1.6; stroke-linecap: round; }
.hb-sway { animation: hbsway 5s 5.2s ease-in-out infinite; }
.hb-acro polyline, .hb-acro line { fill: none; stroke: #ff6b2c; stroke-width: 1.3; stroke-dasharray: 400; stroke-dashoffset: 400; animation: hbdraw 1s 3.85s var(--ease) forwards; }
.hb-acro .up { fill: rgba(255,107,44,.1); }
.hb-cote line { stroke: #ff6b2c; stroke-width: 1; opacity: 0; animation: hbfade .6s 4.35s forwards; }
.hb text { font: 500 9.5px var(--mono); letter-spacing: .06em; fill: rgba(255,255,255,.55); opacity: 0; animation: hbfade .6s 4.5s forwards; }
.hb-lvl line { stroke: rgba(255,255,255,.35); stroke-width: .8; }
.hb-lvl path { fill: #ff6b2c; }
.hb-lvl { opacity: 0; animation: hbslide .6s calc(4.3s + var(--k) * 140ms) var(--ease) forwards; }
.hb-lvl text { opacity: 1; animation: none; }
.hb-lvl .n { fill: #fff; font-weight: 600; }
@keyframes hbfade { to { opacity: 1; } }
@keyframes hbdraw { to { stroke-dashoffset: 0; } }
@keyframes hbrise { 0% { transform: scaleY(0); opacity: 0; } 30% { opacity: 1; } 100% { transform: scaleY(1); opacity: 1; } }
@keyframes hbdrop { to { transform: translateY(0); } }
@keyframes hbup { from { transform: translateY(0); } to { transform: translateY(-58px); } }
@keyframes hblight { to { fill: #ffb36b; stroke: #ffcf9e; } }
@keyframes hbsway { 0%, 100% { transform: rotate(-1.6deg); } 50% { transform: rotate(1.6deg); } }
@keyframes hbslide { from { opacity: 0; transform: translateX(10px); } to { opacity: 1; transform: none; } }
.badge { animation-delay: 4.6s !important; } .badge.b2 { animation-delay: 4.8s !important; }
@media (prefers-reduced-motion: reduce) {
  .hb *, .hb-floor, .hb-roof, .hb-hook, .hb-grid, .hb-lvl, .hb text { animation: none !important; opacity: 1 !important; transform: none !important; stroke-dashoffset: 0 !important; }
  .hb .w.on { fill: #ffb36b; }
}

/* ---------------- sections */
.section { padding: 130px 0; position: relative; }
.sec-head { display: grid; grid-template-columns: 1fr auto; align-items: end; gap: 30px; margin-bottom: 56px; }
.sec-num { font: 500 .75rem var(--mono); letter-spacing: .14em; color: var(--muted); display: flex; gap: 14px; align-items: center; margin-bottom: 20px; }
.sec-num b { color: var(--accent); font-weight: 600; }
.sec-num i { flex: 0 0 60px; height: 1px; background: var(--line); }
.sec-head h2 { font-size: clamp(2.4rem, 5.4vw, 4.4rem); max-width: 820px; }
.sec-head p { color: var(--muted); max-width: 380px; font-size: .98rem; }
.dark { background: var(--ink); color: #fff; }
.dark .sec-head p, .dark .muted { color: rgba(255,255,255,.55); }
.dark .sec-num { color: rgba(255,255,255,.45); } .dark .sec-num i { background: var(--line-dk); }

/* ---------------- chiffres */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.stat { padding: 46px 30px 40px; border-right: 1px solid var(--line); position: relative; }
.stat:last-child { border-right: 0; }
.stat::before { content: attr(data-i); position: absolute; top: 16px; left: 30px; font: 500 .66rem var(--mono); color: var(--muted); letter-spacing: .1em; }
.stat b { display: block; font: 600 clamp(2.8rem, 5vw, 4.2rem)/1 var(--display); letter-spacing: -.05em; color: var(--ink); margin: 12px 0 10px; }
.stat b sup { font-size: .4em; color: var(--accent); vertical-align: top; margin-left: 4px; }
.stat > span { color: var(--muted); font-size: .9rem; }
.stat b span { color: inherit; }

/* ---------------- manifeste */
.manifesto { font: 500 clamp(1.9rem, 4.4vw, 3.6rem)/1.12 var(--display); letter-spacing: -.035em; max-width: 1080px; }
.manifesto .serif { color: var(--accent); }
.manifesto .w { opacity: .14; transition: opacity .5s; }
.manifesto .w.on { opacity: 1; }
.about-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; margin-top: 70px; border-top: 1px solid var(--line); }
.about-grid > div { padding: 34px 30px 0 0; }
.about-grid h3 { font-size: 1.15rem; margin: 14px 0 10px; }
.about-grid p { color: var(--muted); font-size: .93rem; }

/* ---------------- études de cas (projets phares) */
.cases { display: grid; gap: 26px; }
.case { display: grid; grid-template-columns: 1.25fr 1fr; background: var(--ink-2); border: 1px solid var(--line-dk); border-radius: 28px; overflow: hidden; min-height: 470px; transition: border-color .5s, transform .6s var(--ease); }
.case:nth-child(even) { grid-template-columns: 1fr 1.25fr; }
.case:nth-child(even) .case-media { order: 2; }
.case:hover { border-color: rgba(255,107,44,.45); }
.case-media { position: relative; overflow: hidden; background: #e9e3d8; padding: 46px 40px; display: flex; align-items: center; justify-content: center;
  background-image: linear-gradient(rgba(11,20,28,.06) 1px, transparent 1px), linear-gradient(90deg, rgba(11,20,28,.06) 1px, transparent 1px); background-size: 26px 26px; }
.case-media img { width: 100%; height: 100%; max-height: 380px; object-fit: cover; border-radius: 14px; background: #fff; box-shadow: 0 30px 60px -28px rgba(11,20,28,.55), 0 0 0 1px rgba(11,20,28,.06); transform: rotate(-1.2deg); transition: transform 1.2s var(--ease); }
.case:nth-child(even) .case-media img { transform: rotate(1.2deg); }
.case:hover .case-media img, .case:nth-child(even):hover .case-media img { transform: rotate(0) scale(1.03); }

.case-media .tagnum { position: absolute; left: 22px; top: 22px; z-index: 2; background: var(--ink); color: #fff; font: 600 .78rem var(--mono); letter-spacing: .08em; padding: 8px 12px; border-radius: 10px; }
.case-body { padding: 48px 46px; display: flex; flex-direction: column; gap: 18px; }
.case-body .mono { color: var(--accent); }
.case-body h3 { font-size: clamp(1.6rem, 2.6vw, 2.3rem); color: #fff; }
.case-body p { color: rgba(255,255,255,.62); font-size: .97rem; }
.figs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line-dk); border: 1px solid var(--line-dk); border-radius: 16px; overflow: hidden; margin-top: auto; }
.figs div { background: var(--ink-2); padding: 18px 16px; }
.figs b { display: block; font: 600 1.35rem/1.1 var(--display); color: #fff; letter-spacing: -.03em; }
.figs span { font-size: .76rem; color: rgba(255,255,255,.5); }
.tools { display: flex; gap: 6px; flex-wrap: wrap; }
.tools span { font: 500 .68rem var(--mono); letter-spacing: .05em; padding: 6px 10px; border-radius: 8px; border: 1px solid var(--line-dk); color: rgba(255,255,255,.7); }
.case .more { color: #fff; font-weight: 600; display: inline-flex; gap: 10px; align-items: center; }
.case .more svg { transition: transform .35s var(--ease); } .case:hover .more svg { transform: translateX(5px); }

/* ---------------- compétences */
.comp-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
.comp-card { position: relative; background: var(--card); border: 1px solid var(--line); border-radius: var(--r); padding: 28px 24px; min-height: 330px; display: flex; flex-direction: column; overflow: hidden; transition: transform .5s var(--ease), box-shadow .5s, border-color .4s; }
.comp-card::after { content: ""; position: absolute; inset: auto 0 0; height: 0; background: var(--c); transition: height .6s var(--ease); z-index: 0; }
.comp-card:hover { transform: translateY(-8px); box-shadow: var(--shadow); border-color: transparent; }
.comp-card:hover::after { height: 5px; }
.comp-card > * { position: relative; z-index: 1; }
.comp-num { font: 600 3.4rem/1 var(--display); color: transparent; -webkit-text-stroke: 1px var(--c); letter-spacing: -.05em; margin-bottom: auto; }
.comp-ico { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; background: color-mix(in srgb, var(--c) 13%, white); color: var(--c); margin: 26px 0 16px; }
.comp-card h3 { font-size: 1.3rem; margin-bottom: 8px; }
.comp-card p { font-size: .83rem; color: var(--muted); }
.meter { margin-top: 18px; }
.meter div { display: flex; justify-content: space-between; font: 500 .66rem var(--mono); color: var(--muted); letter-spacing: .06em; margin-bottom: 6px; }
.meter i { display: block; height: 4px; border-radius: 4px; background: var(--paper-2); overflow: hidden; }
.meter i::after { content: ""; display: block; height: 100%; width: var(--w); background: var(--c); border-radius: 4px; transform-origin: left; transform: scaleX(0); transition: transform 1.4s var(--ease) .2s; }
.in .meter i::after, .meter.in i::after { transform: scaleX(1); }

/* ---------------- parcours (frise des semestres) */
.timeline-h { display: grid; grid-template-columns: repeat(6, 1fr); position: relative; }
.timeline-h::before { content: ""; position: absolute; left: 0; right: 0; top: 62px; height: 1px; background: var(--line-dk); }
.sem { padding: 0 18px 0 0; position: relative; }
.sem .yr { font: 500 .68rem var(--mono); color: rgba(255,255,255,.4); letter-spacing: .1em; }
.sem h4 { font-size: 1.6rem; color: #fff; margin: 6px 0 22px; }
.sem .dot { width: 15px; height: 15px; border-radius: 50%; border: 2px solid rgba(255,255,255,.3); background: var(--ink); position: relative; z-index: 1; margin-bottom: 24px; }
.sem.done .dot { background: var(--accent); border-color: var(--accent); box-shadow: 0 0 0 6px rgba(255,107,44,.15); }
.sem.now .dot { border-color: var(--accent); }
.sem.now .dot::after { content: ""; position: absolute; inset: -8px; border-radius: 50%; border: 1px solid var(--accent); animation: ping 2s infinite; }
@keyframes ping { from { transform: scale(.6); opacity: 1; } to { transform: scale(1.6); opacity: 0; } }
.sem .state { font: 500 .66rem var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--accent); }
.sem p { color: rgba(255,255,255,.55); font-size: .86rem; margin-top: 8px; }
.sem a { display: inline-block; margin-top: 12px; font-size: .84rem; color: #fff; border-bottom: 1px solid rgba(255,255,255,.3); }

/* ---------------- outils */
.tool-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.tool { padding: 30px 26px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); transition: background .4s; }
.tool:hover { background: var(--card); }
.tool .mono { color: var(--muted); }
.tool h4 { font-size: 1.25rem; margin: 10px 0 6px; }
.tool p { font-size: .85rem; color: var(--muted); }

/* ---------------- cartes SAE */
.sae-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(330px, 1fr)); gap: 22px; }
.sae-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--r); display: flex; flex-direction: column; overflow: hidden; transition: transform .5s var(--ease), box-shadow .5s, border-color .4s; }
.sae-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: transparent; }
.sae-thumb { height: 200px; overflow: hidden; background: #fff; position: relative; border-bottom: 1px solid var(--line); }
.sae-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 1s var(--ease); }
.sae-card:hover .sae-thumb img { transform: scale(1.06); }
.sae-thumb.empty { background: repeating-linear-gradient(135deg, var(--paper) 0 10px, var(--paper-2) 10px 11px); display: grid; place-items: center; font: 500 .7rem var(--mono); color: var(--muted); letter-spacing: .1em; }
.sae-body { padding: 22px 24px 24px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.sae-top { display: flex; justify-content: space-between; align-items: center; }
.sae-num { font: 600 .78rem var(--mono); letter-spacing: .08em; color: var(--c); }
.pill { font: 500 .64rem var(--mono); letter-spacing: .08em; text-transform: uppercase; padding: 5px 9px; border-radius: 999px; background: var(--paper-2); color: var(--muted); }
.pill.ready { background: color-mix(in srgb, var(--c2) 14%, white); color: var(--c2); }
.sae-card h3 { font-size: 1.12rem; line-height: 1.25; letter-spacing: -.02em; }
.sae-card p { font-size: .87rem; color: var(--muted); flex: 1; }
.sae-meta { display: flex; gap: 6px; flex-wrap: wrap; padding-top: 6px; }
.chip { font: 500 .66rem var(--mono); letter-spacing: .04em; padding: 4px 8px; border-radius: 7px; background: var(--paper); border: 1px solid var(--line); color: #4c5761; }

/* ---------------- filtres */
.filters { display: flex; flex-direction: column; gap: 14px; margin-bottom: 40px; padding: 22px; background: var(--card); border: 1px solid var(--line); border-radius: var(--r); }
.filter-row { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; }
.filter-row > span { font: 500 .68rem var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); width: 120px; }
.fbtn { border: 1px solid transparent; background: transparent; padding: 9px 15px; border-radius: 999px; font: 500 .86rem "Inter"; cursor: pointer; color: var(--text); transition: .25s var(--ease); }
.fbtn:hover { background: var(--paper-2); }
.fbtn.on { background: var(--ink); color: #fff; }
.count { font: 500 .74rem var(--mono); letter-spacing: .1em; color: var(--muted); margin-bottom: 18px; text-transform: uppercase; }
.empty-msg { text-align: center; color: var(--muted); padding: 60px 0; }

/* ---------------- en-tête de page */
.page-head { background: var(--ink); color: #fff; padding: 170px 0 90px; position: relative; overflow: hidden; }
.page-head .blueprint { mask-image: radial-gradient(ellipse 70% 90% at 85% 20%, #000 20%, transparent 75%); }
.page-head .wrap { position: relative; }
.page-head h1 { font-size: clamp(2.6rem, 6.6vw, 5.6rem); margin: 22px 0 22px; max-width: 1000px; letter-spacing: -.045em; }
.page-head p { color: rgba(255,255,255,.62); max-width: 640px; font-size: 1.1rem; }
.crumbs { font: 500 .72rem var(--mono); letter-spacing: .08em; color: rgba(255,255,255,.45); text-transform: uppercase; }
.crumbs a:hover { color: #fff; }

/* ---------------- page projet */
.p-hero { padding-bottom: 150px; }
.p-meta { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 30px; }
.p-meta span { font: 500 .7rem var(--mono); letter-spacing: .08em; text-transform: uppercase; padding: 8px 12px; border: 1px solid var(--line-dk); border-radius: 10px; color: rgba(255,255,255,.75); }
.p-cover { margin-top: -110px; position: relative; z-index: 2; }
.p-cover .frame { border-radius: 28px; overflow: hidden; background: #fff; box-shadow: 0 40px 80px -40px rgba(11,20,28,.5); border: 1px solid var(--line); aspect-ratio: 16 / 8; }
.p-cover img { width: 100%; height: 100%; object-fit: cover; }
.p-figs { display: grid; grid-template-columns: repeat(3, 1fr); margin: 34px 0 10px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.p-figs div { padding: 30px 26px; border-right: 1px solid var(--line); }
.p-figs div:last-child { border-right: 0; }
.p-figs b { display: block; font: 600 clamp(1.8rem, 3.4vw, 2.8rem)/1 var(--display); letter-spacing: -.045em; color: var(--ink); margin-bottom: 8px; }
.p-figs span { color: var(--muted); font-size: .88rem; }
.project { display: grid; grid-template-columns: 1fr 330px; gap: 56px; align-items: start; margin-top: 50px; }
.chapter { padding: 40px 0; border-top: 1px solid var(--line); display: grid; grid-template-columns: 170px 1fr; gap: 30px; }
.chapter:first-child { border-top: 0; padding-top: 0; }
.chapter .mono { color: var(--accent); padding-top: 8px; }
.chapter h2 { font-size: 1.85rem; margin-bottom: 16px; }
.chapter p { color: #3f4a55; margin-bottom: 14px; font-size: 1.02rem; }
.placeholder { border: 1.5px dashed var(--line); border-radius: 14px; padding: 26px; color: var(--muted); text-align: center; font-size: .9rem; }
.aside { position: sticky; top: 104px; display: grid; gap: 14px; }
.panel { background: var(--card); border: 1px solid var(--line); border-radius: var(--r); padding: 24px; }
.panel h4 { font: 500 .68rem var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); margin-bottom: 14px; }
.kv { display: grid; gap: 11px; font-size: .88rem; }
.kv div { display: flex; justify-content: space-between; gap: 14px; }
.kv span { color: var(--muted); }
.kv b { font-weight: 600; text-align: right; }
.ac-list { display: grid; gap: 12px; }
.ac-item { display: grid; grid-template-columns: 56px 1fr; gap: 10px; font-size: .84rem; color: #4a5560; }
.ac-item b { color: var(--ink); font: 600 .78rem var(--mono); padding-top: 2px; }
.file { display: flex; align-items: center; gap: 14px; padding: 13px 14px; border: 1px solid var(--line); border-radius: 14px; font-size: .86rem; font-weight: 500; transition: .3s var(--ease); background: var(--paper); }
.file:hover { border-color: var(--ink); transform: translateX(3px); }
.file .fi { width: 38px; height: 38px; border-radius: 10px; background: var(--ink); color: #fff; display: grid; place-items: center; flex: none; font: 600 .58rem var(--mono); letter-spacing: .04em; }
.file span { display: flex; flex-direction: column; line-height: 1.35; }
.file small { color: var(--muted); font: 500 .66rem var(--mono); letter-spacing: .04em; margin-top: 3px; }
.pager { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 60px; }
.pager a { padding: 26px 28px; background: var(--card); border: 1px solid var(--line); border-radius: var(--r); transition: .35s var(--ease); }
.pager a:hover { background: var(--ink); color: #fff; border-color: var(--ink); }
.pager small { display: block; font: 500 .68rem var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--muted); margin-bottom: 6px; }
.pager a:hover small { color: var(--accent); }
.pager b { font: 600 1.05rem var(--display); letter-spacing: -.02em; }

/* ---------------- page compétences */
.comp-section { display: grid; grid-template-columns: 320px 1fr; gap: 50px; padding: 64px 0; border-top: 1px solid var(--line); }
.comp-section:first-child { border: 0; padding-top: 0; }
.comp-side { position: sticky; top: 110px; align-self: start; }
.comp-side .comp-num { margin: 0 0 16px; font-size: 5rem; }
.comp-side h2 { font-size: 2.1rem; margin: 6px 0 12px; }
.comp-side p { color: var(--muted); font-size: .92rem; margin-bottom: 20px; }
.level { margin-bottom: 30px; }
.level h4 { font: 500 .7rem var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); margin-bottom: 12px; }
.ac-row { display: grid; grid-template-columns: 72px 1fr auto; gap: 16px; align-items: center; padding: 15px 18px; background: var(--card); border: 1px solid var(--line); border-radius: 14px; margin-bottom: 8px; font-size: .9rem; transition: border-color .3s; }
.ac-row:hover { border-color: var(--c); }
.ac-row b { font: 600 .8rem var(--mono); color: var(--c); }
.ac-row .links { display: flex; gap: 6px; flex-wrap: wrap; justify-content: end; }
.ac-row .links a { font: 600 .66rem var(--mono); padding: 5px 9px; border-radius: 7px; background: color-mix(in srgb, var(--c) 12%, white); color: var(--c); transition: .25s; }
.ac-row .links a:hover { background: var(--c); color: #fff; }

/* ---------------- page compétences v2 */
.comp-overview { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; margin-top: 54px; }
.cov { position: relative; display: flex; flex-direction: column; gap: 6px; padding: 22px 20px 20px; border-radius: 20px; background: rgba(255,255,255,.04); border: 1px solid var(--line-dk); transition: transform .45s var(--ease), border-color .4s, background .4s; overflow: hidden; }
.cov:hover { transform: translateY(-5px); border-color: var(--c); background: rgba(255,255,255,.07); }
.cov-num { font: 600 2.6rem/1 var(--display); color: transparent; -webkit-text-stroke: 1px var(--c); letter-spacing: -.05em; margin-bottom: 14px; }
.cov b { font: 600 1.15rem var(--display); color: #fff; letter-spacing: -.02em; }
.cov .mono { color: rgba(255,255,255,.45); }
.cov-bar { display: block; height: 4px; border-radius: 4px; background: rgba(255,255,255,.1); overflow: hidden; margin-top: 12px; }
.cov-bar i { display: block; height: 100%; width: var(--w); background: var(--c); border-radius: 4px; }
.cov small { color: rgba(255,255,255,.55); font-size: .78rem; }
.cs { padding: 0 0 110px; scroll-margin-top: 100px; }
.cs-head { display: grid; grid-template-columns: 1fr auto; gap: 40px; align-items: center; padding: 44px 46px; border-radius: 30px; background: var(--card); border: 1px solid var(--line); position: relative; overflow: hidden; margin-bottom: 26px; }
.cs-head::before { content: ""; position: absolute; inset: 0 auto 0 0; width: 6px; background: var(--c); }
.cs-head::after { content: ""; position: absolute; right: -120px; top: -160px; width: 420px; height: 420px; border-radius: 50%; background: radial-gradient(circle, color-mix(in srgb, var(--c) 18%, transparent), transparent 65%); pointer-events: none; }
.cs-title { display: flex; gap: 34px; align-items: center; position: relative; z-index: 1; }
.cs-num { font: 600 clamp(4.5rem, 9vw, 7.5rem)/.85 var(--display); letter-spacing: -.07em; background: linear-gradient(160deg, var(--c), color-mix(in srgb, var(--c) 35%, white)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.cs-title h2 { font-size: clamp(2rem, 3.6vw, 3rem); margin: 8px 0 8px; }
.cs-title p { color: var(--muted); max-width: 520px; font-size: .96rem; }
.cs-side { display: flex; flex-direction: column; gap: 18px; align-items: flex-end; position: relative; z-index: 1; }
.cs-stats { display: flex; gap: 26px; }
.cs-stats b { display: block; font: 600 2rem/1 var(--display); color: var(--ink); letter-spacing: -.04em; }
.cs-stats span { font-size: .76rem; color: var(--muted); }
.cs-levels { display: grid; grid-template-columns: repeat(var(--n), 1fr); gap: 18px; }
.cs-col h4 { display: flex; justify-content: space-between; align-items: center; font: 500 .7rem var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); padding: 0 6px 12px; border-bottom: 2px solid var(--c); margin-bottom: 14px; }
.cs-col h4 span { color: var(--c); font-weight: 600; }
.ac-card { background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 18px 18px 16px; margin-bottom: 12px; transition: border-color .3s, transform .4s var(--ease), box-shadow .4s; }
.ac-card:hover { border-color: var(--c); transform: translateY(-3px); box-shadow: var(--shadow); }
.ac-card b { font: 600 .74rem var(--mono); color: var(--c); letter-spacing: .06em; display: inline-flex; align-items: center; gap: 8px; }
.ac-card.ok b::after { content: "✓"; display: inline-grid; place-items: center; width: 18px; height: 18px; border-radius: 50%; background: var(--c); color: #fff; font-size: .62rem; }
.ac-card p { font-size: .9rem; color: var(--text); margin: 8px 0 12px; line-height: 1.45; }
.ac-sae { display: flex; flex-wrap: wrap; gap: 6px; }
.ac-sae a { display: inline-flex; align-items: center; gap: 7px; padding: 4px 10px 4px 4px; border-radius: 999px; background: color-mix(in srgb, var(--c) 10%, white); color: var(--ink); font: 600 .66rem var(--mono); transition: background .25s, color .25s; }
.ac-sae a:not(:has(img)) { padding-left: 10px; }
.ac-sae a:hover { background: var(--c); color: #fff; }
.ac-sae img { width: 22px; height: 22px; border-radius: 50%; object-fit: cover; }
.ac-todo { font: 500 .66rem var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
@media (max-width: 1080px) { .comp-overview { grid-template-columns: repeat(3, 1fr); } .cs-head { grid-template-columns: 1fr; } .cs-side { align-items: flex-start; } .cs-levels { grid-template-columns: 1fr 1fr; } }
@media (max-width: 760px) { .comp-overview { grid-template-columns: 1fr 1fr; } .cs-head { padding: 30px 24px; } .cs-title { flex-direction: column; align-items: flex-start; gap: 12px; } .cs-stats { gap: 18px; } .cs-levels { grid-template-columns: 1fr; } .cs { padding-bottom: 70px; } }

/* ---------------- projet pro */
.pro { display: grid; grid-template-columns: 360px 1fr; gap: 34px; align-items: start; }
.profile { background: var(--ink); color: #fff; border-radius: 28px; padding: 36px; position: sticky; top: 104px; overflow: hidden; }
.profile .blueprint { mask-image: linear-gradient(180deg, #000, transparent 60%); }
.profile > * { position: relative; }
.avatar { width: 104px; height: 104px; border-radius: 28px; background: linear-gradient(135deg, var(--accent), var(--accent-2)); display: grid; place-items: center; font: 600 2.2rem var(--display); color: var(--ink); margin-bottom: 22px; letter-spacing: -.04em; }
.profile h3 { font-size: 1.7rem; }
.profile .sub { color: rgba(255,255,255,.55); font-size: .9rem; margin: 6px 0 24px; }
.bar { margin-bottom: 15px; font-size: .84rem; }
.bar div { display: flex; justify-content: space-between; margin-bottom: 7px; color: rgba(255,255,255,.85); }
.bar div span:last-child { font-family: var(--mono); font-size: .74rem; color: var(--accent-2); }
.bar i { display: block; height: 4px; border-radius: 4px; background: rgba(255,255,255,.1); overflow: hidden; }
.bar i::after { content: ""; display: block; height: 100%; width: var(--w); background: linear-gradient(90deg, var(--accent), var(--accent-2)); border-radius: 4px; }
.profile h4 { font: 500 .68rem var(--mono); letter-spacing: .14em; color: var(--accent-2); margin: 28px 0 14px; text-transform: uppercase; }
.langs div { display: flex; justify-content: space-between; font-size: .9rem; padding: 9px 0; border-bottom: 1px solid var(--line-dk); }
.langs b { font: 600 .74rem var(--mono); }
.block { background: var(--card); border: 1px solid var(--line); border-radius: 26px; padding: 40px; margin-bottom: 18px; }
.block > .mono { color: var(--accent); }
.block h2 { font-size: 1.9rem; margin: 10px 0 18px; }
.block p { color: #45505b; margin-bottom: 12px; }
.ambition { background: var(--ink); color: #fff; border-color: var(--ink); position: relative; overflow: hidden; }
.ambition > * { position: relative; }
.ambition p { color: rgba(255,255,255,.66); }
.ambition .big { font: 500 clamp(1.7rem, 3vw, 2.4rem)/1.15 var(--display); color: #fff; margin: 12px 0 18px; letter-spacing: -.035em; }
.ambition .big .serif { color: var(--accent); }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.chips span { padding: 7px 13px; border-radius: 999px; background: var(--paper-2); font-size: .82rem; font-weight: 500; }
.ambition .chips span { background: rgba(255,255,255,.08); color: #fff; border: 1px solid var(--line-dk); }
.timeline { position: relative; padding-left: 30px; }
.timeline::before { content: ""; position: absolute; left: 6px; top: 8px; bottom: 8px; width: 1px; background: var(--line); }
.tl { position: relative; margin-bottom: 28px; }
.tl:last-child { margin-bottom: 0; }
.tl::before { content: ""; position: absolute; left: -30px; top: 6px; width: 13px; height: 13px; border-radius: 50%; background: var(--card); border: 2px solid var(--accent); }
.tl small { font: 500 .7rem var(--mono); letter-spacing: .08em; color: var(--accent); text-transform: uppercase; }
.tl h3 { font-size: 1.2rem; margin: 6px 0 6px; }
.tl p { color: var(--muted); font-size: .9rem; margin: 0; }
.interests { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 22px; }
.interests h4 { font: 500 .7rem var(--mono); letter-spacing: .12em; color: var(--muted); text-transform: uppercase; }

/* ---------------- appel final + pied de page */
.cta { position: relative; overflow: hidden; background: var(--ink); color: #fff; border-radius: 34px; padding: 90px 70px; }
.cta h2 { font-size: clamp(2.3rem, 5.4vw, 4.6rem); max-width: 900px; margin: 18px 0 34px; letter-spacing: -.045em; position: relative; }
.cta h2 .serif { color: var(--accent); }
.cta .btns { position: relative; }
.cta .spot { left: 85%; top: 10%; }
footer { background: var(--ink); color: rgba(255,255,255,.6); padding: 90px 0 34px; margin-top: 0; overflow: hidden; }
.foot-top { display: flex; justify-content: space-between; gap: 30px; flex-wrap: wrap; padding-bottom: 46px; border-bottom: 1px solid var(--line-dk); }
.foot-top h3 { color: #fff; font-size: 1.6rem; max-width: 420px; }
.foot-links { display: flex; gap: 46px; font-size: .92rem; }
.foot-links div { display: grid; gap: 10px; align-content: start; }
.foot-links .mono { color: rgba(255,255,255,.35); margin-bottom: 4px; }
.foot-links a:hover { color: var(--accent); }
.foot-name { font: 600 clamp(2.6rem, 10.6vw, 10.4rem)/.9 var(--display); letter-spacing: -.065em; color: transparent; -webkit-text-stroke: 1px rgba(255,255,255,.16); margin: 40px 0 26px; white-space: nowrap; }
.foot-bottom { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font: 500 .7rem var(--mono); letter-spacing: .08em; text-transform: uppercase; color: rgba(255,255,255,.35); }

/* ---------------- rendus : bande sombre, vignettes + visionneuse */
.docs-band { position: relative; background: var(--ink); color: #fff; padding: 110px 0; overflow: hidden; scroll-margin-top: 70px; }
.docs-band .blueprint { mask-image: radial-gradient(ellipse 70% 80% at 80% 10%, #000 15%, transparent 70%); }
.docs-band .wrap { position: relative; }
.docs-head { display: grid; grid-template-columns: 1fr auto; gap: 30px; align-items: end; margin-bottom: 40px; }
.docs-head .sec-num { color: rgba(255,255,255,.45); } .docs-head .sec-num i { background: var(--line-dk); }
.docs-head h2 { font-size: clamp(2.2rem, 4.4vw, 3.6rem); color: #fff; }
.docs-head p { color: rgba(255,255,255,.55); max-width: 340px; font-size: .95rem; }
.doc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.doc { background: var(--ink-2); border: 1px solid var(--line-dk); border-radius: 24px; overflow: hidden; display: flex; flex-direction: column; transition: transform .5s var(--ease), border-color .4s, box-shadow .5s; }
.doc:hover { transform: translateY(-6px); border-color: rgba(255,173,102,.4); box-shadow: 0 30px 60px -30px rgba(0,0,0,.7); }
.doc-prev { position: relative; height: 300px; border: 0; cursor: pointer; display: flex; justify-content: center; align-items: flex-end; padding: 34px 26px 0; overflow: hidden; color: inherit;
  background: radial-gradient(ellipse at 50% 120%, rgba(255,107,44,.16), transparent 60%), var(--ink-3); }
.sheet { position: relative; display: block; height: 100%; aspect-ratio: 210 / 297; max-width: 74%; }
.doc.land .sheet { aspect-ratio: 297 / 210; height: auto; width: 92%; max-width: 92%; align-self: center; margin-bottom: 0; }
.sheet::before, .sheet::after { content: ""; position: absolute; inset: 0; background: #e9e4da; border-radius: 6px 6px 0 0; }
.doc.land .sheet::before, .doc.land .sheet::after { border-radius: 6px; }
.sheet::before { transform: translate(12px, 10px) rotate(2.4deg); opacity: .35; }
.sheet::after { transform: translate(6px, 5px) rotate(1.2deg); opacity: .6; }
.sheet img { position: relative; z-index: 1; width: 100%; height: 100%; object-fit: cover; object-position: top; border-radius: 6px 6px 0 0; background: #fff; box-shadow: 0 -20px 50px -20px rgba(0,0,0,.8); transition: transform .7s var(--ease); }
.doc.land .sheet img { border-radius: 6px; }
.doc:hover .sheet img { transform: translateY(-8px); }
.doc-hover { position: absolute; z-index: 2; left: 50%; bottom: 20px; transform: translate(-50%, 12px); opacity: 0; display: inline-flex; gap: 8px; align-items: center; background: var(--accent); color: var(--ink); font: 600 .82rem "Inter"; padding: 10px 16px; border-radius: 999px; transition: .35s var(--ease); box-shadow: 0 10px 30px -8px rgba(255,107,44,.6); }
.doc:hover .doc-hover { opacity: 1; transform: translate(-50%, 0); }
.doc-info { padding: 22px 24px 24px; display: flex; flex-direction: column; gap: 10px; flex: 1; border-top: 1px solid var(--line-dk); }
.doc-info .mono { color: var(--accent-2); }
.doc-info h3 { font-size: 1.12rem; line-height: 1.25; letter-spacing: -.02em; color: #fff; }
.doc-actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: auto; padding-top: 8px; }
.doc-actions .btn { padding: 11px 17px; font-size: .84rem; gap: 8px; }
.doc .btn-dark { background: #fff; color: var(--ink); }
.doc .btn-line { border-color: rgba(255,255,255,.25); color: #fff; }
.doc .btn-line:hover { background: #fff; color: var(--ink); }
.doc-prev.xls { background: #1d5c3c; text-decoration: none; align-items: center; padding: 0; }
.xls-grid { position: absolute; inset: 0; background: linear-gradient(rgba(255,255,255,.13) 1px, transparent 1px) 0 0 / 100% 26px, linear-gradient(90deg, rgba(255,255,255,.13) 1px, transparent 1px) 0 0 / 74px 100%; }
.doc-prev.xls b { position: relative; font: 700 2.6rem var(--display); letter-spacing: -.03em; color: #fff; }
.doc-grid.n1 { grid-template-columns: 1fr; }
.doc-grid.n1 .doc { flex-direction: row; }
.doc-grid.n1 .doc-prev { flex: 0 0 46%; height: 380px; }
.doc-grid.n1 .doc-info { border-top: 0; border-left: 1px solid var(--line-dk); padding: 46px; justify-content: center; }
.doc-grid.n1 .doc-info h3 { font-size: 1.8rem; }
.doc-grid.n1 .doc-actions { margin-top: 18px; }
.doc-grid.n2 { grid-template-columns: 1fr 1fr; }
.doc-grid.n2 .doc-prev { height: 340px; }
.sujet-row { display: flex; align-items: center; gap: 16px; margin-top: 20px; padding: 16px 18px; border: 1px solid var(--line-dk); border-radius: 18px; background: rgba(255,255,255,.03); }
.sujet-row .fi { width: 42px; height: 42px; border-radius: 12px; background: rgba(255,255,255,.08); display: grid; place-items: center; font: 600 .6rem var(--mono); flex: none; }
.sujet-row div { flex: 1; display: flex; flex-direction: column; }
.sujet-row b { font: 600 1rem var(--display); }
.sujet-row .mono { color: rgba(255,255,255,.45); margin-top: 2px; }
.sujet-row .btn { padding: 10px 16px; font-size: .82rem; gap: 8px; }
.docs-cta { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-top: 10px; padding: 26px 30px; border-radius: 22px; background: var(--ink); color: #fff; transition: transform .4s var(--ease); }
.docs-cta:hover { transform: translateY(-3px); }
.docs-cta b { display: block; font: 600 1.25rem var(--display); }
.docs-cta small { color: rgba(255,255,255,.55); }
.docs-cta svg { transform: rotate(90deg); color: var(--accent); }
/* en-tête de projet : vignette encadrée */
.p-hero { padding-bottom: 90px; }
.ph-grid { display: grid; grid-template-columns: 1.35fr .65fr; gap: 60px; align-items: center; }
.ph-card { position: relative; background: #fff; border-radius: 22px; padding: 10px; transform: rotate(2deg); box-shadow: 0 40px 80px -30px rgba(0,0,0,.75); transition: transform .8s var(--ease); max-width: 470px; margin-left: auto; }
.ph-card:hover { transform: rotate(0); }
.ph-card img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: 14px; display: block; }
.ph-tag { position: absolute; top: -14px; left: 22px; background: var(--accent); color: var(--ink); padding: 7px 12px; border-radius: 10px; font-weight: 600; z-index: 2; }
.p-figs { margin-top: 0; border-top: 0; }
/* logo avec photo + retour en haut */
.brand-mark { overflow: hidden; }
.brand-mark img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 50% 20%; }
.to-top { position: fixed; right: 22px; bottom: 22px; z-index: 70; width: 52px; height: 52px; border-radius: 50%; border: 0; background: var(--accent); color: var(--ink); display: grid; place-items: center; cursor: pointer; box-shadow: 0 14px 34px -10px rgba(255,107,44,.65); opacity: 0; transform: translateY(16px) scale(.9); pointer-events: none; transition: opacity .35s var(--ease), transform .35s var(--ease); }
.to-top.on { opacity: 1; transform: none; pointer-events: auto; }
.to-top:hover { transform: translateY(-3px); }
@media (max-width: 1080px) { .doc-grid { grid-template-columns: 1fr 1fr; } .ph-grid { grid-template-columns: 1fr; gap: 40px; } .ph-card { margin: 0; max-width: 420px; } }
@media (max-width: 760px) {
  .docs-band { padding: 80px 0; }
  .docs-head { grid-template-columns: 1fr; }
  .doc-grid, .doc-grid.n2 { grid-template-columns: 1fr; }
  .doc-prev, .doc-grid.n2 .doc-prev { height: 260px; }
  .doc-grid.n1 .doc { flex-direction: column; } .doc-grid.n1 .doc-prev { flex: none; height: 280px; } .doc-grid.n1 .doc-info { border-left: 0; border-top: 1px solid var(--line-dk); padding: 24px; } .doc-grid.n1 .doc-info h3 { font-size: 1.25rem; }
  .sujet-row { flex-wrap: wrap; } .sujet-row div { min-width: 60%; }
  .lb-actions .btn-ghost { display: none; }
  .ph-card { transform: none; }
  .to-top { right: 16px; bottom: 16px; width: 46px; height: 46px; }
}
.lightbox { position: fixed; inset: 0; z-index: 200; background: rgba(8,14,20,.94); display: flex; flex-direction: column; padding: 22px; opacity: 0; pointer-events: none; transition: opacity .35s var(--ease); }
.lightbox.open { opacity: 1; pointer-events: auto; }
.lb-bar { display: flex; justify-content: space-between; align-items: center; gap: 20px; color: #fff; padding: 4px 6px 18px; max-width: 1200px; width: 100%; margin: 0 auto; }
.lb-bar .mono { display: block; color: var(--accent-2); margin-bottom: 4px; }
.lb-title { font: 600 1.15rem var(--display); letter-spacing: -.02em; }
.lb-actions { display: flex; gap: 10px; align-items: center; }
.lb-actions .btn { padding: 11px 18px; font-size: .85rem; }
.lb-close { width: 44px; height: 44px; border-radius: 50%; border: 1px solid rgba(255,255,255,.25); background: transparent; color: #fff; font-size: 1rem; cursor: pointer; transition: .25s; }
.lb-close:hover { background: #fff; color: var(--ink); }
.lb-body { flex: 1; max-width: 1200px; width: 100%; margin: 0 auto; border-radius: 18px; overflow: hidden; background: #fff; transform: translateY(20px) scale(.98); transition: transform .45s var(--ease); box-shadow: 0 40px 100px -30px rgba(0,0,0,.7); }
.lightbox.open .lb-body { transform: none; }
.lb-body iframe { width: 100%; height: 100%; border: 0; display: block; }

/* ---------------- photos (portrait + terrain) */
.profil-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 70px; align-items: center; }
.portrait { position: relative; aspect-ratio: 4 / 5; border-radius: 30px; overflow: hidden; background: var(--ink); }
.portrait img, .photo img { width: 100%; height: 100%; object-fit: cover; }
.portrait .cote { position: absolute; left: 18px; right: 18px; bottom: 18px; display: flex; justify-content: space-between; font: 500 .66rem var(--mono); letter-spacing: .1em; color: #fff; text-transform: uppercase; background: rgba(11,20,28,.72); padding: 12px 14px; border-radius: 14px; }
.ph { width: 100%; height: 100%; display: grid; place-items: center; background: var(--ink-2); position: relative; overflow: hidden; }
.ph::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(111,163,214,.12) 1px, transparent 1px), linear-gradient(90deg, rgba(111,163,214,.12) 1px, transparent 1px); background-size: 28px 28px; }
.ph::after { content: ""; position: absolute; inset: 16%; border: 1px dashed rgba(255,173,102,.45); border-radius: 18px; }
.ph span { position: relative; font: 500 .7rem var(--mono); letter-spacing: .12em; text-transform: uppercase; color: rgba(255,255,255,.5); text-align: center; padding: 0 30px; }
.photos { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 16px; }
.photo { position: relative; border-radius: 24px; overflow: hidden; aspect-ratio: 4 / 5; background: var(--ink-2); }
.photo:first-child { aspect-ratio: auto; }
.photo figcaption { position: absolute; left: 16px; bottom: 16px; right: 16px; color: #fff; font-size: .86rem; font-weight: 500; z-index: 2; text-shadow: 0 1px 12px rgba(0,0,0,.6); }
.photo figcaption small { display: block; font: 500 .62rem var(--mono); letter-spacing: .1em; text-transform: uppercase; opacity: .7; }
.ai-note { font: 500 .66rem var(--mono); letter-spacing: .08em; color: rgba(255,255,255,.35); margin-top: 16px; text-transform: uppercase; }
@media (max-width: 1080px) { .profil-grid { grid-template-columns: 1fr; gap: 40px; } .portrait { max-width: 420px; } .photos { grid-template-columns: 1fr 1fr; } .photo:first-child { grid-column: 1 / -1; aspect-ratio: 16 / 10; } }

/* ---------------- performance : isoler les zones lourdes pour un défilement fluide */
.hero, .page-head, .dark, .docs-band { contain: paint; }
.blueprint { will-change: transform; transform: translateZ(0); }
.marquee-track { will-change: transform; }

/* ---------------- performance : téléphones et écrans tactiles */
@media (max-width: 900px), (hover: none) {
  .grain::after, .spot { display: none; }
  .nav.solid .nav-inner, .nav.light .nav-inner { backdrop-filter: none; -webkit-backdrop-filter: none; background: rgba(251,249,245,.97); }
  .badge, .btn-ghost, .portrait .cote, .lightbox { backdrop-filter: none; -webkit-backdrop-filter: none; }
  .badge { background: var(--ink-2); }
  .hero h1 .line span { animation-duration: .7s; }
  .hero h1 .line:nth-child(2) span { animation-delay: .06s; }
  .hero .lead { animation-delay: .25s; animation-duration: .6s; }
  .hero .btns { animation-delay: .35s; animation-duration: .6s; }
  .reveal { transform: translateY(18px); transition-duration: .7s; }
  .case:hover .case-media img, .sae-card:hover .sae-thumb img, .doc:hover .sheet img { transform: none; }
}

/* ---------------- apparition au défilement */
.reveal { opacity: 0; transform: translateY(34px); transition: opacity 1s var(--ease), transform 1s var(--ease); transition-delay: var(--d, 0s); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; } .draw * { animation: none !important; stroke-dashoffset: 0 !important; }
  .hero h1 .line span, .hero .lead, .hero .btns, .hero-art, .badge, .hero-art .label { animation: none !important; opacity: 1 !important; transform: none !important; }
  .marquee-track { animation: none; } .manifesto .w { opacity: 1; }
}

/* ---------------- responsive */
@media (max-width: 1080px) {
  .comp-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-main, .project, .pro, .comp-section, .case, .case:nth-child(even) { grid-template-columns: 1fr; }
  .case:nth-child(even) .case-media { order: 0; }
  .case-media { height: 300px; }
  .hero-art { max-width: 520px; }
  .aside, .profile, .comp-side { position: static; }
  .timeline-h { grid-template-columns: repeat(3, 1fr); row-gap: 40px; } .timeline-h::before { display: none; }
  .tool-grid { grid-template-columns: repeat(2, 1fr); }
  .chapter { grid-template-columns: 1fr; gap: 6px; }
}
@media (max-width: 760px) {
  .nav { top: 10px; }
  .nav-links { position: absolute; top: 72px; left: 0; right: 0; flex-direction: column; align-items: stretch; background: rgba(251,249,245,.97); backdrop-filter: blur(16px); padding: 12px; border-radius: 22px; box-shadow: var(--shadow); display: none; }
  .nav-links.open { display: flex; }
  .nav-links a { color: var(--text) !important; padding: 14px 18px; }
  .burger { display: block; }
  .wrap { padding: 0 18px; }
  .section { padding: 86px 0; }
  .hero-top { padding: 100px 18px 0; } .hero-top span:last-child { display: none; }
  .hero-main { padding: 20px 18px 30px; } .hero-art { display: none; }
  .stats { grid-template-columns: 1fr 1fr; } .stat:nth-child(2) { border-right: 0; } .stat:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .stat { padding: 40px 18px 30px; } .stat::before { left: 18px; }
  .sec-head { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  .comp-grid, .tool-grid { grid-template-columns: 1fr; }
  .case-body { padding: 30px 24px; }
  .timeline-h { grid-template-columns: 1fr 1fr; }
  .p-figs { grid-template-columns: 1fr; } .p-figs div { border-right: 0; border-bottom: 1px solid var(--line); }
  .p-cover { margin-top: -80px; } .p-cover .frame { aspect-ratio: 4 / 3; border-radius: 20px; }
  .pager { grid-template-columns: 1fr; }
  .ac-row { grid-template-columns: 60px 1fr; } .ac-row .links { grid-column: 1 / -1; justify-content: start; }
  .filter-row > span { width: 100%; }
  .block, .profile { padding: 26px; }
  .cta { padding: 56px 26px; border-radius: 26px; }
  .foot-links { gap: 30px; }
}