/* Portfolio Grégoire Sanna (Sensuko), version 2026.
   Palette: bleu-nuit #0C1920, bleu ciel #55B0CD, crème #F3F0E7, bleu-vert pâle #E1F1F3. */
@font-face{font-family:'Biko'; src:url('fonts/Biko-Light.otf') format('opentype'); font-weight:300; font-display:swap;}
@font-face{font-family:'Biko'; src:url('fonts/Biko-Regular.otf') format('opentype'); font-weight:400; font-display:swap;}
@font-face{font-family:'Biko'; src:url('fonts/Biko-Bold.otf') format('opentype'); font-weight:700; font-display:swap;}
@font-face{font-family:'Biko'; src:url('fonts/Biko-Black.otf') format('opentype'); font-weight:900; font-display:swap;}

:root{
  --dark:#0C1920; --dark-2:#13262F; --dark-3:#1B3441;
  --light:#F3F0E7; --aqua:#E1F1F3;
  --sky:#55B0CD; --deep:#2A7391;
  --ink:#0C1920; --muted:#5B6F77;
  --line-dark:rgba(255,255,255,.10); --line-light:rgba(12,25,32,.12);
  --radius:22px; --radius-sm:14px; --max:min(92vw,1280px);
  --ease:cubic-bezier(.2,.7,.2,1);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
html,body{overflow-x:clip;}
body{margin:0; background:var(--dark); color:#E9E6DC; font-family:'Archivo',system-ui,sans-serif; font-size:1.05rem; line-height:1.6; -webkit-font-smoothing:antialiased;}
h1,h2,h3,h4{font-family:'Biko','Archivo',sans-serif; font-weight:700; line-height:1.1; margin:0;}
img{max-width:100%; height:auto; display:block;}
a{color:inherit;}
.wrap{width:var(--max); margin:0 auto;}
section[id]{scroll-margin-top:96px;}
:focus-visible{outline:2px solid var(--sky); outline-offset:3px; border-radius:6px;}
.light :focus-visible,.aqua :focus-visible{outline-color:var(--deep);}
.sr-only{position:absolute; width:1px; height:1px; margin:-1px; padding:0; overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0;}
.skip{position:absolute; left:-999px; top:8px; background:var(--sky); color:var(--ink); padding:10px 16px; border-radius:999px; z-index:100;}
.skip:focus{left:12px;}
.mono{font-family:'IBM Plex Mono',monospace; letter-spacing:.06em; text-transform:uppercase; font-size:.72rem;}
.on-dark{background:var(--dark); color:#E9E6DC;}
.on-dark .dim{color:#B7C4C7;}
.dim{color:#B7C4C7;}

/* ---------- navigation (pilule flottante) ---------- */
.nav{position:fixed; top:16px; left:50%; transform:translateX(-50%); width:min(1100px,92vw); z-index:50;
  display:flex; align-items:center; justify-content:space-between; gap:16px; padding:8px 10px 8px 20px;
  background:rgba(12,25,32,.82); backdrop-filter:blur(16px) saturate(140%); -webkit-backdrop-filter:blur(16px) saturate(140%);
  border:1px solid var(--line-dark); border-radius:999px;}
.nav-logo img{height:44px; width:auto;}
.nav-links{display:flex; gap:6px; list-style:none; margin:0; padding:0;}
.nav-links a{display:block; padding:9px 16px; border-radius:999px; text-decoration:none; font-size:.95rem; color:#CFD8DA; transition:background .25s, color .25s;}
.nav-links a:hover{background:rgba(255,255,255,.08); color:#fff;}
.btn{display:inline-flex; align-items:center; gap:10px; padding:12px 22px; border-radius:999px; font-weight:600; text-decoration:none; transition:transform .3s var(--ease), background .25s, color .25s;}
.btn-sky{background:var(--sky); color:var(--ink);}
.btn-sky:hover{transform:translateY(-2px); background:#7CC6DE;}
.btn-ghost{border:1px solid rgba(255,255,255,.28); color:#fff;}
.btn-ghost:hover{background:rgba(255,255,255,.08); transform:translateY(-2px);}
.nav-toggle{display:none; width:44px; height:44px; border-radius:50%; border:1px solid var(--line-dark); background:rgba(255,255,255,.06); cursor:pointer; position:relative;}
.nav-toggle span,.nav-toggle::before,.nav-toggle::after{content:""; position:absolute; left:13px; right:13px; height:2px; background:#fff; border-radius:2px; transition:transform .3s var(--ease), opacity .2s;}
.nav-toggle::before{top:15px;} .nav-toggle span{top:21px;} .nav-toggle::after{top:27px;}
.nav-toggle[aria-expanded="true"]::before{transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span{opacity:0;}
.nav-toggle[aria-expanded="true"]::after{transform:translateY(-6px) rotate(-45deg);}
.nav-panel{display:none; position:absolute; top:calc(100% + 10px); left:0; right:0; flex-direction:column; padding:10px; border-radius:26px;
  background:rgba(12,25,32,.94); backdrop-filter:blur(16px); -webkit-backdrop-filter:blur(16px); border:1px solid var(--line-dark);}
.nav-panel.open{display:flex;}
.nav-panel a{padding:14px 16px; border-radius:16px; text-decoration:none; color:#E9E6DC; font-size:1.05rem;}
.nav-panel a:hover{background:rgba(255,255,255,.07);}
.nav-panel .btn{margin-top:6px; justify-content:center; color:var(--ink);}
@media (max-width:820px){ .nav-links,.nav > .btn{display:none;} .nav-toggle{display:block;} .nav{padding-left:16px;} }

/* ---------- accueil : hero ---------- */
.hero{position:relative; min-height:100svh; display:flex; align-items:center; overflow:hidden; padding:130px 0 80px; isolation:isolate;}
.hero::before{content:""; position:absolute; inset:0; z-index:-2;
  background:
    radial-gradient(60% 55% at 78% 30%, rgba(85,176,205,.28), transparent 70%),
    radial-gradient(50% 50% at 10% 90%, rgba(42,115,145,.35), transparent 70%),
    var(--dark);}
.hero::after{content:""; position:absolute; inset:0; z-index:-1; opacity:.07; pointer-events:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");}
.hero-grid{display:grid; grid-template-columns:1.05fr .95fr; gap:48px; align-items:center;}
.eyebrow{display:inline-flex; align-items:center; gap:10px; padding:7px 14px; border:1px solid var(--line-dark); border-radius:999px; color:var(--sky);}
.eyebrow i{width:7px; height:7px; border-radius:50%; background:var(--sky); box-shadow:0 0 0 4px rgba(85,176,205,.2);}
h1{font-family:'Biko','Archivo',sans-serif; font-weight:900; font-size:clamp(3.2rem,9.5vw,8.4rem); line-height:.92; letter-spacing:-.02em; margin:22px 0 26px; color:#fff;}
h1 .glitch{display:block;}
.lede{font-size:clamp(1.1rem,1.8vw,1.4rem); max-width:34ch; color:#C9D3D5; margin:0 0 32px;}
.hero-cta{display:flex; gap:12px; flex-wrap:wrap;}
.hero-facts{display:flex; gap:28px; flex-wrap:wrap; margin-top:44px; padding-top:24px; border-top:1px solid var(--line-dark);}
.hero-facts b{display:block; font-family:'Biko',sans-serif; font-size:2rem; color:#fff; line-height:1;}
.hero-facts span{font-size:.85rem; color:#9FB0B5;}

/* effet glitch (RVB décalé, ponctuel) */
.glitch{position:relative;}
.glitch::before,.glitch::after{content:attr(data-text); content:attr(data-text) / ""; position:absolute; inset:0; pointer-events:none; opacity:0;}
.glitch::before{color:var(--sky); mix-blend-mode:screen;}
.glitch::after{color:#F3F0E7; mix-blend-mode:screen;}
.glitch.on::before{opacity:.9; animation:gl-a .55s steps(1,end) 1;}
.glitch.on::after{opacity:.8; animation:gl-b .55s steps(1,end) 1;}
.glitch:hover::before,.glitch:focus-visible::before{opacity:.9; animation:gl-a .55s steps(1,end) infinite;}
.glitch:hover::after,.glitch:focus-visible::after{opacity:.8; animation:gl-b .55s steps(1,end) infinite;}
@keyframes gl-a{
  0%{clip-path:inset(10% 0 70% 0); transform:translate(-6px,0);}
  20%{clip-path:inset(55% 0 20% 0); transform:translate(5px,-2px);}
  40%{clip-path:inset(30% 0 45% 0); transform:translate(-4px,1px);}
  60%{clip-path:inset(75% 0 5% 0); transform:translate(7px,0);}
  80%{clip-path:inset(0 0 85% 0); transform:translate(-3px,2px);}
  100%{clip-path:inset(0 0 100% 0); transform:translate(0,0);}
}
@keyframes gl-b{
  0%{clip-path:inset(60% 0 15% 0); transform:translate(6px,0);}
  25%{clip-path:inset(5% 0 80% 0); transform:translate(-5px,1px);}
  50%{clip-path:inset(40% 0 35% 0); transform:translate(4px,-1px);}
  75%{clip-path:inset(80% 0 0 0); transform:translate(-6px,0);}
  100%{clip-path:inset(0 0 100% 0); transform:translate(0,0);}
}

/* pile de cartes 3D qui réagit à la souris */
.stack{position:relative; height:min(560px,62vw); perspective:1300px; --mx:0; --my:0;}
.card3d{position:absolute; margin:0; border-radius:var(--radius); overflow:hidden; border:1px solid rgba(255,255,255,.14);
  box-shadow:0 30px 60px -20px rgba(0,0,0,.7); will-change:transform; transition:transform .25s var(--ease);
  transform:translate3d(calc(var(--mx)*var(--px)*1px), calc(var(--my)*var(--py)*1px), var(--z))
            rotateY(calc(var(--mx)*var(--ry)*1deg)) rotateX(calc(var(--my)*var(--rx)*-1deg)) rotate(var(--r));}
.card3d img{width:100%; height:100%; object-fit:cover;}
.card3d figcaption{position:absolute; left:14px; bottom:12px; padding:5px 10px; border-radius:999px; background:rgba(12,25,32,.7); backdrop-filter:blur(8px); color:#fff;}
.card3d.c1{width:68%; aspect-ratio:4/3; left:0; top:4%; --z:0px; --px:18; --py:14; --ry:10; --rx:7; --r:-3deg;}
.card3d.c2{width:52%; aspect-ratio:3/4; right:0; top:0; --z:60px; --px:34; --py:24; --ry:14; --rx:9; --r:4deg;}
.card3d.c3{width:58%; aspect-ratio:16/10; right:6%; bottom:0; --z:120px; --px:52; --py:34; --ry:18; --rx:11; --r:-2deg;}
@media (max-width:900px){ .hero-grid{grid-template-columns:1fr;} .stack{height:min(440px,95vw);} }

/* ---------- bandeau défilant ---------- */
.marquee{background:var(--sky); color:var(--ink); overflow:hidden; border-block:1px solid rgba(12,25,32,.2); transform:rotate(-1.2deg); margin:-18px -2vw 0; position:relative; z-index:3;}
.marquee-track{display:flex; width:max-content; animation:slide 34s linear infinite;}
.marquee:hover .marquee-track{animation-play-state:paused;}
.marquee span{font-family:'Biko',sans-serif; font-weight:700; font-size:clamp(1.1rem,2.4vw,1.7rem); padding:16px 26px; white-space:nowrap;}
.marquee span::after{content:"✦"; margin-left:52px; opacity:.55;}
@keyframes slide{to{transform:translateX(-50%);}}
.marquee.paused .marquee-track{animation-play-state:paused;}
.marquee-pause{position:absolute; right:calc(2vw + 16px); top:50%; transform:translateY(-50%); z-index:2; width:34px; height:34px; border-radius:50%; border:2px solid var(--ink); background:var(--sky); color:var(--ink); cursor:pointer; display:grid; place-items:center; font-size:.8rem; line-height:1; padding:0;}
.marquee-pause:hover{background:var(--ink); color:var(--sky);}

/* ---------- sections de l'accueil ---------- */
.section{padding:clamp(80px,12vw,150px) 0;}
.light{background:var(--light); color:var(--ink);}
.aqua{background:var(--aqua); color:var(--ink);}
.dark-sec{background:var(--dark);}
.sec-head{display:flex; align-items:end; justify-content:space-between; gap:24px; margin-bottom:44px; flex-wrap:wrap;}
.sec-head h2{font-family:'Biko',sans-serif; font-weight:900; font-size:clamp(2.2rem,5vw,4rem); line-height:1; margin:10px 0 0; letter-spacing:-.01em;}
.sec-head p{max-width:40ch; margin:0; color:var(--muted);}
.dark-sec .sec-head p{color:#9FB0B5;}
.kicker{color:var(--deep);}
.dark-sec .kicker,.on-dark .kicker{color:var(--sky);}

/* portfolio en mosaïque */
.bento{display:grid; grid-template-columns:repeat(12,1fr); grid-auto-rows:clamp(140px,15vw,210px); gap:16px;}
.tile{position:relative; display:block; border-radius:var(--radius); overflow:hidden; background:var(--dark-2); text-decoration:none; color:#fff;
  grid-row:span 2; transform-style:preserve-3d; transition:transform .3s var(--ease), box-shadow .3s;
  transform:perspective(1000px) rotateX(var(--tx,0deg)) rotateY(var(--ty,0deg)); box-shadow:0 18px 40px -22px rgba(12,25,32,.6);}
.tile:hover{box-shadow:0 30px 60px -24px rgba(12,25,32,.75);}
.tile > img,.tile .mosaic{position:absolute; inset:0; width:100%; height:100%; object-fit:cover; transition:transform .8s var(--ease);}
.tile:hover > img,.tile:hover .mosaic{transform:scale(1.06);}
.tile .mosaic{display:grid; grid-template-columns:1fr 1fr; grid-template-rows:1fr 1fr; gap:2px;}
.tile .mosaic img{width:100%; height:100%; object-fit:cover;}
.tile::after{content:""; position:absolute; inset:0; background:linear-gradient(to top, rgba(12,25,32,.92) 0%, rgba(12,25,32,.35) 38%, transparent 62%); pointer-events:none;}
.tile .glare{position:absolute; inset:0; z-index:2; pointer-events:none; opacity:0; transition:opacity .3s;
  background:radial-gradient(420px circle at var(--gx,50%) var(--gy,50%), rgba(255,255,255,.18), transparent 60%);}
.tile:hover .glare{opacity:1;}
.tile .tag{position:absolute; top:16px; left:16px; z-index:3; padding:6px 12px; border-radius:999px; background:rgba(12,25,32,.65); backdrop-filter:blur(8px); color:var(--sky);}
.tile .go{position:absolute; top:14px; right:14px; z-index:3; width:40px; height:40px; border-radius:50%; background:var(--sky); color:var(--ink); display:grid; place-items:center; font-size:1.1rem; transform:scale(.6) rotate(-45deg); opacity:0; transition:all .35s var(--ease);}
.tile:hover .go,.tile:focus-visible .go{opacity:1; transform:scale(1) rotate(0);}
.tile .txt{position:absolute; left:20px; right:20px; bottom:18px; z-index:3;}
.tile h3{font-size:clamp(1.15rem,1.8vw,1.55rem); margin:0 0 6px;}
.tile p{margin:0; font-size:.92rem; color:#C9D3D5; max-width:46ch;}
.t1{grid-column:span 7;} .t2{grid-column:span 5;}
.t3{grid-column:span 4;} .t4{grid-column:span 4;} .t5{grid-column:span 4;}
.t6{grid-column:span 5;} .t7{grid-column:span 3;} .t8{grid-column:span 4;}
@media (max-width:980px){ .bento{grid-template-columns:repeat(2,1fr); grid-auto-rows:clamp(160px,34vw,260px);} .tile{grid-column:auto !important;} .t1{grid-column:1/-1 !important;} }
@media (max-width:560px){ .bento{grid-template-columns:1fr; grid-auto-rows:62vw;} .tile{grid-row:span 1;} .t1{grid-column:auto !important;} }

/* mon univers */
.univers{display:grid; grid-template-columns:1fr 1fr; gap:20px;}
.ucard{position:relative; display:flex; flex-direction:column; border-radius:var(--radius); overflow:hidden; background:var(--dark-2); border:1px solid var(--line-dark); text-decoration:none; color:inherit;
  transition:transform .3s var(--ease), border-color .3s; transform:perspective(1000px) rotateX(var(--tx,0deg)) rotateY(var(--ty,0deg));}
.ucard:hover{border-color:rgba(85,176,205,.5);}
.ucard .img{aspect-ratio:16/10; overflow:hidden;}
.ucard img{width:100%; height:100%; object-fit:cover; transition:transform .8s var(--ease);}
.ucard:hover img{transform:scale(1.05);}
.ucard .body{padding:26px 28px 30px;}
.ucard h3{font-weight:900; font-size:2rem; margin:8px 0 10px; color:#fff;}
.ucard p{margin:0 0 18px; color:#B7C4C7; max-width:44ch;}
.cta-link{color:var(--sky); font-family:'IBM Plex Mono',monospace; font-size:.85rem; letter-spacing:.04em;}
@media (max-width:820px){ .univers{grid-template-columns:1fr;} }

/* qui suis-je */
.about{display:grid; grid-template-columns:.8fr 1.2fr; gap:clamp(32px,6vw,90px); align-items:center;}
.about-title{font-weight:900; font-size:clamp(2rem,4.4vw,3.4rem); line-height:1; margin:10px 0 24px;}
.portrait{position:relative; width:min(100%,380px); aspect-ratio:1; margin:0 auto; border-radius:50%; overflow:hidden; border:6px solid #fff; box-shadow:0 30px 60px -25px rgba(12,25,32,.5);
  transition:transform .3s var(--ease); transform:perspective(900px) rotateX(var(--tx,0deg)) rotateY(var(--ty,0deg));}
.portrait img{width:100%; height:100%; object-fit:cover; object-position:50% 26%;}
.about-text p{font-size:1.08rem; margin:0 0 16px; color:#25363C;}
.cols{display:grid; grid-template-columns:repeat(3,1fr); gap:22px; margin-top:30px;}
.cols h3{margin:0 0 8px; color:var(--deep);}
.cols ul{list-style:none; margin:0; padding:0;}
.cols li{padding:6px 0; border-top:1px solid var(--line-light); font-size:.92rem;}
@media (max-width:820px){ .about{grid-template-columns:1fr;} .cols{grid-template-columns:1fr 1fr;} }

/* contact (fin de toutes les pages) */
.contact{position:relative; overflow:hidden; text-align:center; isolation:isolate;}
.contact::before{content:""; position:absolute; inset:0; z-index:-1; background:radial-gradient(55% 60% at 50% 100%, rgba(85,176,205,.3), transparent 70%);}
.contact h2{font-weight:900; font-size:clamp(1.9rem,7vw,6rem); line-height:.98; margin:12px auto 22px; color:#fff;}
.nowrap{white-space:nowrap;}
.contact p{max-width:46ch; margin:0 auto 34px; color:#B7C4C7;}
.mail{display:inline-block; font-family:'Biko',sans-serif; font-weight:700; font-size:clamp(1.2rem,3.4vw,2.4rem); color:#fff; text-decoration:none;
  background:linear-gradient(var(--sky),var(--sky)) 0 100%/100% 3px no-repeat; padding-bottom:6px; transition:background-size .4s var(--ease), color .3s;}
.mail:hover{background-size:100% 100%; color:var(--ink);}
.foot{margin-top:80px; padding-top:22px; border-top:1px solid var(--line-dark); color:#7F9096; font-size:.82rem; display:flex; justify-content:space-between; gap:12px; flex-wrap:wrap;}
.cv-line{margin:22px 0 0;}
.contact .cv-line{margin:34px auto 0;}
.about-text .cv-line{margin:26px 0 0;}
.cv-dl[hidden]{display:none;}
.contact.compact{padding:clamp(60px,9vw,110px) 0 40px;}
.contact.compact h2{font-size:clamp(1.8rem,5vw,4rem);}
.contact.compact .foot{margin-top:56px;}

/* apparition au scroll */
.js .reveal{opacity:0; transform:translateY(28px); transition:opacity .9s var(--ease), transform .9s var(--ease);}
.js .reveal.in{opacity:1; transform:none;}

/* ---------- pages projet ---------- */
.project-hero{position:relative; isolation:isolate; padding:150px 0 50px; overflow:hidden;}
.project-hero::before{content:""; position:absolute; inset:0; z-index:-1; background:radial-gradient(55% 90% at 88% 0%, rgba(85,176,205,.22), transparent 70%), radial-gradient(40% 60% at 0% 100%, rgba(42,115,145,.2), transparent 70%); -webkit-mask-image:linear-gradient(to bottom,#000 55%,transparent); mask-image:linear-gradient(to bottom,#000 55%,transparent);}
.project-back{display:inline-flex; align-items:center; gap:8px; padding:8px 16px; border:1px solid var(--line-dark); border-radius:999px; font-family:'IBM Plex Mono',monospace; font-size:.78rem; color:var(--sky); text-decoration:none; letter-spacing:.04em; transition:background .25s;}
.project-back:hover{background:rgba(85,176,205,.12);}
.project-title{font-family:'Biko',sans-serif; font-weight:900; font-size:clamp(2.6rem,7vw,5.6rem); line-height:.98; letter-spacing:-.02em; margin-top:26px; color:#fff;}
.project-meta{margin-top:20px; color:#C9D3D5; max-width:56ch; font-size:clamp(1.05rem,1.6vw,1.3rem);}
.project-tags{margin-top:24px; display:flex; gap:8px; flex-wrap:wrap;}
.project-tags span{font-family:'IBM Plex Mono',monospace; font-size:.72rem; color:var(--sky); border:1px solid rgba(85,176,205,.4); border-radius:999px; padding:6px 14px; letter-spacing:.05em;}
.project-body{padding:50px 0 70px;}
.project-body p{max-width:68ch; font-size:1.08rem; margin:0 0 20px; color:#D5DDDF;}
.inline-link{color:var(--sky); text-decoration:underline; text-underline-offset:3px;}
.project-gallery{display:grid; grid-template-columns:repeat(2,1fr); gap:16px; margin-top:44px;}
.project-gallery .full{grid-column:1/-1;}
.project-gallery img,.p-step-visual img,.project-result-grid img{width:100%; display:block; border:1px solid var(--line-dark); border-radius:var(--radius-sm); cursor:zoom-in; transition:transform .5s var(--ease), box-shadow .5s, opacity .2s;}
.project-gallery img:hover,.p-step-visual img:hover,.project-result-grid img:hover{box-shadow:0 24px 50px -24px rgba(0,0,0,.8); transform:translateY(-3px);}
.logos-grid{grid-template-columns:repeat(4,1fr); gap:22px 16px;}
.logos-grid figure{margin:0;}
.logos-grid img{aspect-ratio:782/606; object-fit:cover; background:#05080F;}
.logos-grid figcaption{margin-top:10px; font-size:.82rem; line-height:1.4; color:#B7C4C7;}
.logos-grid figcaption strong{display:block; color:#EDEEEA; font-weight:600;}
.logos-grid figcaption span{display:block;}
.logos-grid figcaption em{display:block; margin-top:3px; font-family:'IBM Plex Mono',monospace; font-style:normal; font-size:.68rem; letter-spacing:.04em; color:var(--sky);}
.logos-grid figcaption em a{text-decoration:underline; text-underline-offset:2px;}
@media (max-width:900px){ .logos-grid{grid-template-columns:repeat(3,1fr);} }
@media (max-width:560px){ .logos-grid{grid-template-columns:repeat(2,1fr);} }
.project-nextprev{padding:50px 0 70px; display:flex; justify-content:space-between; gap:14px; flex-wrap:wrap; border-top:1px solid var(--line-dark);}
.project-nextprev a{display:inline-flex; padding:10px 18px; border:1px solid var(--line-dark); border-radius:999px; text-decoration:none; font-family:'IBM Plex Mono',monospace; font-size:.8rem; color:var(--sky); transition:background .25s, transform .3s var(--ease);}
.project-nextprev a:hover{background:rgba(85,176,205,.12); transform:translateY(-2px);}

/* récit étape par étape */
.project-steps{padding:10px 0 30px;}
.p-step{display:grid; grid-template-columns:.85fr 1.15fr; gap:54px; align-items:center; padding:54px 0; border-top:1px solid var(--line-dark);}
.p-step:first-child{border-top:none; padding-top:0;}
.p-step-visual-first{grid-template-columns:1.15fr .85fr;}
.p-step-visual-first .p-step-visual{order:-1;}
.p-step-num{display:inline-block; font-family:'IBM Plex Mono',monospace; font-size:.72rem; letter-spacing:.06em; color:var(--sky); padding:5px 12px; border:1px solid rgba(85,176,205,.4); border-radius:999px; margin-bottom:14px;}
.p-step-text h2,.p-step-text h3{font-size:clamp(1.3rem,2.2vw,1.8rem); color:#fff; margin-bottom:12px;}
.p-step-text p{font-size:1rem; max-width:44ch; color:#C9D3D5; margin:0;}
.p-step-visual.two-up{display:grid; grid-template-columns:1fr 1fr; gap:12px;}
.p-step-visual figure{margin:0;}
.p-step-visual figcaption,.step-cap{margin:8px 0 0; font-family:'IBM Plex Mono',monospace; font-size:.7rem; letter-spacing:.04em; color:#8FA2A8;}
@media (max-width:820px){
  .p-step,.p-step-visual-first{grid-template-columns:1fr; gap:24px; padding:36px 0;}
  .p-step-visual-first .p-step-visual{order:0;}
}
.p-step-full{display:block; padding:54px 0; border-top:1px solid var(--line-dark);}
.p-step-full .p-step-text{margin-bottom:28px;}
.p-step-full .p-step-text p{max-width:70ch;}
.p-step-full .p-step-visual.two-up{grid-template-columns:1fr 1fr; gap:16px;}
.p-step-full .p-step-visual.two-up.fab-fit{grid-template-columns:.4655fr .707fr; align-items:start;}
.p-step-visual.boards-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:14px;}
.p-step-visual.boards-grid.cols-4{grid-template-columns:repeat(4,1fr);}
@media (max-width:760px){ .p-step-visual.boards-grid,.p-step-visual.boards-grid.cols-4{grid-template-columns:1fr 1fr;} }
.p-step-full .p-step-visual + .p-step-visual{margin-top:16px;}
.video-embed{position:relative; aspect-ratio:16/9; width:100%; max-width:960px; border:1px solid var(--line-dark); border-radius:var(--radius-sm); overflow:hidden; background:#000;}
.video-embed iframe{position:absolute; inset:0; width:100%; height:100%; border:0;}
@media (max-width:760px){ .p-step-full .p-step-visual.two-up,.p-step-full .p-step-visual.two-up.fab-fit{grid-template-columns:1fr;} }

/* comparateur avant / après */
.compare{position:relative; overflow:hidden; border:1px solid var(--line-dark); border-radius:var(--radius-sm); cursor:ew-resize; touch-action:pan-y;}
.compare-img{position:absolute; inset:0; width:100%; height:100%; display:block; object-fit:cover; pointer-events:none;}
.compare-before{clip-path:inset(0 50% 0 0);}
.compare-line{position:absolute; top:0; bottom:0; left:50%; width:2px; background:#fff; pointer-events:none; transform:translateX(-1px);}
.compare-line::after{content:"⟷"; position:absolute; top:50%; left:50%; transform:translate(-50%,-50%); width:38px; height:38px; border-radius:50%; background:var(--sky); color:var(--ink); font-size:.9rem; display:flex; align-items:center; justify-content:center; box-shadow:0 0 0 3px rgba(12,25,32,.5);}
.compare-tag{position:absolute; top:12px; font-family:'IBM Plex Mono',monospace; font-size:.68rem; letter-spacing:.06em; color:#EDEEEA; background:rgba(12,25,32,.7); border-radius:999px; padding:5px 11px; pointer-events:none;}
.compare-tag.left{left:12px;} .compare-tag.right{right:12px;}
.compare-range{position:absolute; inset:0; width:100%; height:100%; margin:0; opacity:0; cursor:ew-resize; -webkit-appearance:none; appearance:none;}
.compare-range::-webkit-slider-thumb{-webkit-appearance:none; width:100%; height:100%;}
.compare-range::-moz-range-thumb{width:1px; height:100%; opacity:0;}

/* partie d'un projet */
.p-part{padding:46px 0 6px; display:flex; align-items:baseline; gap:16px; flex-wrap:wrap; border-top:1px solid var(--line-dark);}
.p-part:first-of-type{border-top:none;}
.p-part-label{font-family:'IBM Plex Mono',monospace; font-size:.72rem; letter-spacing:.06em; color:#8FA2A8;}
.p-part-title{font-family:'Biko',sans-serif; font-weight:700; font-size:clamp(1.4rem,2.6vw,2rem); color:#fff;}
.p-part-status{font-family:'IBM Plex Mono',monospace; font-size:.68rem; letter-spacing:.05em; padding:5px 12px; border:1px solid var(--line-dark); border-radius:999px;}
.p-part-status.is-built{color:var(--sky); border-color:var(--sky);}
.p-part-status.is-not-built{color:#8FA2A8;}

/* contrainte réelle */
.p-constraint{margin:30px 0 0; padding:20px 24px; border:1px solid var(--line-dark); border-left:3px solid var(--sky); border-radius:var(--radius-sm); background:rgba(85,176,205,.08);}
.p-constraint-label{display:block; font-family:'IBM Plex Mono',monospace; font-size:.68rem; letter-spacing:.06em; color:var(--sky); margin-bottom:8px;}
.p-constraint p{margin:0; font-size:.95rem; color:#C9D3D5; max-width:60ch;}

/* résultat */
.project-result{padding:70px 0 20px; border-top:1px solid var(--line-dark);}
.project-result-cap{font-size:.72rem; letter-spacing:.06em; color:var(--sky); margin-bottom:18px; display:block;}
.project-result p{max-width:68ch; margin:0 0 28px; font-size:1rem; color:#C9D3D5;}
.project-result-grid{display:grid; grid-template-columns:1fr 1fr; gap:16px;}
.project-result-grid .full{grid-column:1/-1;}
@media (max-width:760px){ .project-result-grid{grid-template-columns:1fr;} }

/* paires d'images de même taille (pas de trous ni de décalage) */
.pair-eq figure img{aspect-ratio:var(--pr,4/3); object-fit:contain; background:#fff;}
.book-grid img{object-fit:cover;}
.book-grid img.portrait{aspect-ratio:3/4;}
.book-grid img.land{aspect-ratio:4/3;}

/* visionneuse d'image */
.lightbox{position:fixed; inset:0; z-index:200; background:rgba(6,12,16,.94); display:flex; align-items:center; justify-content:center; padding:48px 24px; opacity:0; visibility:hidden; pointer-events:none; transition:opacity .25s ease, visibility .25s;}
.lightbox.open{opacity:1; visibility:visible; pointer-events:auto;}
.lightbox img{max-width:min(1100px,92vw); max-height:78vh; width:auto; border:1px solid var(--line-dark); border-radius:var(--radius-sm);}
.lightbox-cap{color:#B7C4C7; font-family:'IBM Plex Mono',monospace; font-size:.8rem; text-align:center; margin-top:18px;}
.lightbox-close{position:absolute; top:24px; right:28px; width:44px; height:44px; border:1px solid var(--line-dark); border-radius:50%; background:none; color:#EDEEEA; font-size:1.4rem; line-height:1; cursor:pointer;}
.lightbox-close:hover{border-color:var(--sky); color:var(--sky);}
.lightbox-inner{display:flex; flex-direction:column; align-items:center;}

/* ---------- mouvement réduit ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  .marquee-track{animation:none;}
  .glitch::before,.glitch::after{display:none;}
  .js .reveal{opacity:1; transform:none; transition:none;}
  .card3d,.tile,.ucard,.portrait{transition:none; transform:none !important;}
  .tile:hover > img,.ucard:hover img,.tile:hover .mosaic{transform:none;}
  .project-gallery img:hover,.p-step-visual img:hover,.project-result-grid img:hover{transform:none;}
}