/* ============================================================
   IDM Design & Création — Portfolio
   Base calée sur écran 16" (compact), responsive au-dessus et en dessous
   ============================================================ */
:root{
  --paper:#FFFFFF; --paper-2:#F4F3F1; --ink:#141414; --dark:#0D0D0E;
  --gray:#8A8A88; --line:#E6E4E1;
  --font:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;
  --ease:cubic-bezier(.19,1,.22,1);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--font);color:var(--ink);background:var(--paper);line-height:1.55;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img,video{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
::selection{background:var(--ink);color:#fff}
.wrap{max-width:1360px;margin:0 auto;padding:0 clamp(20px,3.5vw,56px)}

/* ---------- TOP BAR ---------- */
.topbar{position:fixed;top:0;left:0;right:0;z-index:60;display:flex;align-items:center;justify-content:space-between;
  padding:18px clamp(20px,3.5vw,56px);mix-blend-mode:difference;pointer-events:none}
.topbar a{pointer-events:auto}
.topbar .logo{height:26px;filter:brightness(0) invert(1)}
.back{display:inline-flex;align-items:center;gap:8px;color:#fff;font-size:.75rem;font-weight:500;letter-spacing:.06em;text-transform:uppercase}
.back svg{width:14px;height:14px}
.back:hover{opacity:.6}

/* ---------- BUTTONS ---------- */
.btn{display:inline-block;padding:14px 32px;font-size:.78rem;font-weight:600;letter-spacing:.07em;text-transform:uppercase;transition:all .3s var(--ease)}
.btn-solid{background:var(--ink);color:#fff}
.btn-solid:hover{background:#000;transform:translateY(-2px)}
.btn-ghost{border:1px solid var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff}

/* ---------- HERO (projet) ---------- */
.hero{height:70vh;min-height:440px;max-height:760px;background:var(--dark);color:#fff;display:grid;grid-template-columns:1fr 0.78fr;align-items:stretch}
.hero-text{display:flex;flex-direction:column;justify-content:flex-end;padding:clamp(24px,3vw,44px) clamp(20px,3.5vw,56px) clamp(26px,3vw,44px)}
.hero-eyebrow{font-size:.72rem;font-weight:500;letter-spacing:.22em;text-transform:uppercase;color:#8f8f8d;margin-bottom:auto;padding-top:clamp(52px,5vw,74px)}
.hero-title{font-size:clamp(2.2rem,4vw,3.9rem);font-weight:700;line-height:.98;letter-spacing:-.03em;margin:0 0 16px}
.hero-title em{font-style:normal;font-weight:300;color:#bdbdba}
.hero-tags{margin-top:6px;display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:.82rem;font-weight:400;letter-spacing:.02em;color:#a2a29f}
.hero-tags span{display:inline-flex;align-items:center;gap:14px}
.hero-tags span:not(:last-child)::after{content:"";width:3px;height:3px;border-radius:50%;background:#5f5f5d;display:inline-block}
.hero-sub{display:flex;flex-wrap:wrap;gap:8px 24px;color:#c9c8c5;font-size:.88rem}
.hero-sub b{font-weight:500;color:#fff}
.hero-media{position:relative;overflow:hidden}
.hero-media video,.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(13,13,14,.5),transparent 30%)}
.scrollcue{position:absolute;left:clamp(20px,3.5vw,56px);bottom:22px;z-index:5;color:#8f8f8d;font-size:.68rem;letter-spacing:.2em;text-transform:uppercase;display:flex;align-items:center;gap:10px}
.scrollcue span{width:36px;height:1px;background:#5a5a58;position:relative;overflow:hidden}
.scrollcue span::after{content:"";position:absolute;inset:0;background:#fff;transform:translateX(-100%);animation:cue 2.2s var(--ease) infinite}
@keyframes cue{50%{transform:translateX(0)}100%{transform:translateX(100%)}}

/* ---------- INTRO ---------- */
.intro{padding:clamp(44px,5vw,80px) 0}
.intro-grid{display:grid;grid-template-columns:1.4fr .85fr;gap:clamp(30px,4.5vw,72px)}
.intro-lead{font-size:clamp(1.2rem,1.9vw,1.75rem);font-weight:400;line-height:1.35;letter-spacing:-.015em;max-width:900px}
.intro-lead em{font-style:normal;color:var(--gray)}
.meta{border-top:1px solid var(--ink);padding-top:20px}
.meta dl{display:grid;grid-template-columns:1fr;gap:16px}
.meta .row{display:flex;flex-direction:column;gap:4px}
.meta dt{font-size:.68rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--gray)}
.meta dd{font-size:.95rem;font-weight:500}

/* ---------- GALLERY ---------- */
.figure{position:relative;overflow:hidden;background:var(--paper-2)}
.figure img,.figure video{width:100%;height:100%;object-fit:cover}
.tag{position:absolute;left:16px;bottom:13px;color:#fff;font-size:.68rem;font-weight:500;letter-spacing:.1em;text-transform:uppercase;text-shadow:0 1px 12px rgba(0,0,0,.5);z-index:2}
.idx{position:absolute;top:13px;right:16px;color:#fff;font-size:.68rem;font-weight:600;letter-spacing:.1em;text-shadow:0 1px 12px rgba(0,0,0,.5);z-index:2}
.block{padding-bottom:clamp(14px,1.8vw,24px)}
.full .figure{aspect-ratio:16/9}
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(14px,1.8vw,24px)}
.split.p .figure{aspect-ratio:4/5}
.trio{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(14px,1.8vw,24px)}
.trio .figure{aspect-ratio:4/5}
.feature{display:grid;grid-template-columns:0.82fr 1fr;gap:clamp(26px,4vw,64px);align-items:center;padding:clamp(32px,4vw,60px) 0}
.feature.rev{grid-template-columns:1fr 0.82fr}
.feature.rev .feat-media{order:2}
.feat-media .figure{aspect-ratio:4/5}
.feat-text .k{font-size:.7rem;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--gray);margin-bottom:14px}
.feat-text h2{font-size:clamp(1.55rem,2.5vw,2.25rem);font-weight:600;line-height:1.1;letter-spacing:-.02em;margin-bottom:16px}
.feat-text p{font-size:1rem;color:#4a4a48;max-width:44ch}
.dark-band{background:var(--dark);color:#fff;padding:clamp(40px,5vw,80px) 0}
.dark-band .split .figure{aspect-ratio:4/5;background:#1a1a1b}
.dark-band .band-head{max-width:46ch;margin-bottom:clamp(28px,3.5vw,48px)}
.dark-band .band-head .k{font-size:.7rem;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:#8f8f8d;margin-bottom:14px}
.dark-band .band-head h2{font-size:clamp(1.55rem,2.5vw,2.25rem);font-weight:600;line-height:1.12;letter-spacing:-.02em}

/* reveal */
.rv{opacity:0;transform:translateY(30px);transition:opacity .85s var(--ease),transform .85s var(--ease)}
.rv.in{opacity:1;transform:none}
.figure img.pz,.figure video.pz{transition:transform 1.2s var(--ease)}
.figure:hover img.pz,.figure:hover video.pz{transform:scale(1.04)}

/* ---------- CTA ---------- */
.cta{text-align:center;padding:clamp(50px,6vw,96px) 0}
.cta .k{font-size:.72rem;font-weight:600;letter-spacing:.2em;text-transform:uppercase;color:var(--gray);margin-bottom:20px}
.cta h2{font-size:clamp(1.8rem,3.6vw,3.1rem);font-weight:700;line-height:1.05;letter-spacing:-.03em;margin-bottom:30px}
.cta h2 em{font-style:normal;font-weight:300;color:var(--gray)}
.actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}

/* ---------- FOOTER ---------- */
.foot{background:var(--dark);color:#fff;padding:clamp(40px,4.5vw,64px) 0 34px}
.foot-in{display:flex;justify-content:space-between;align-items:flex-start;gap:36px;flex-wrap:wrap;padding-bottom:32px;border-bottom:1px solid #26262a}
.foot-logo{height:34px;filter:brightness(0) invert(1)}
.foot-c{color:#9a9a98;font-size:.9rem;line-height:1.85}
.foot-c a:hover{color:#fff}
.foot-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;padding-top:22px;color:#6d6d6b;font-size:.78rem}

/* ============================================================
   INDEX (landing)
   ============================================================ */
.land-hero{padding:clamp(88px,9vw,120px) 0 clamp(28px,3vw,44px)}
.land-hero .eyebrow{font-size:.74rem;font-weight:500;letter-spacing:.22em;text-transform:uppercase;color:var(--gray);margin-bottom:18px}
.land-hero h1{font-size:clamp(2.4rem,5vw,4.4rem);font-weight:700;line-height:1;letter-spacing:-.035em;max-width:16ch}
.land-hero p{margin-top:20px;max-width:56ch;font-size:clamp(1rem,1.4vw,1.12rem);color:#4a4a48}
.projects{padding-bottom:clamp(50px,6vw,90px)}
.proj-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:clamp(20px,2.4vw,36px)}
.proj{display:block;position:relative}
.proj-media{position:relative;overflow:hidden;background:var(--paper-2);aspect-ratio:1/1}
.proj-media img,.proj-media video{width:100%;height:100%;object-fit:cover;transition:transform 1.2s var(--ease)}
.proj:hover .proj-media img,.proj:hover .proj-media video{transform:scale(1.045)}
.proj-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 52%,rgba(13,13,14,.52));opacity:.9;transition:opacity .4s var(--ease)}
.proj:hover .proj-media::after{opacity:1}
.proj-over{position:absolute;left:24px;right:24px;bottom:22px;z-index:2;color:#fff;display:flex;align-items:flex-end;justify-content:space-between;gap:14px}
.proj-over .pcat{font-size:.7rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:#e6e4e1;display:block;margin-bottom:8px}
.proj-over h3{font-size:clamp(1.35rem,2.1vw,1.9rem);font-weight:600;line-height:1.08;letter-spacing:-.02em}
.proj-arrow{flex-shrink:0;width:42px;height:42px;border:1px solid rgba(255,255,255,.5);border-radius:50%;display:grid;place-items:center;transition:all .3s var(--ease)}
.proj-arrow svg{width:17px;height:17px}
.proj:hover .proj-arrow{background:#fff;color:var(--ink);border-color:#fff}
.proj-count{font-size:.74rem;font-weight:500;letter-spacing:.06em;color:var(--gray);margin-bottom:16px;display:block}

/* ============================================================
   RESPONSIVE — TABLETTE
   ============================================================ */
@media(max-width:1024px){
  .hero{grid-template-columns:1fr;height:auto;max-height:none}
  .hero-media{height:52svh;min-height:340px;order:-1}
  .hero-media::after{background:linear-gradient(0deg,rgba(13,13,14,.45),transparent 40%)}
  .hero-text{padding-top:26px}
  .hero-eyebrow{padding-top:74px}
  .hero-title{font-size:clamp(2.2rem,6vw,3.2rem)}
  .scrollcue{display:none}
  .intro-grid{grid-template-columns:1fr;gap:30px}
  .feature,.feature.rev{grid-template-columns:1fr;gap:22px;padding:34px 0}
  .feature.rev .feat-media{order:0}
  .feat-media .figure,.split.p .figure,.trio .figure{aspect-ratio:16/11}
}

/* ============================================================
   RESPONSIVE — MOBILE
   ============================================================ */
@media(max-width:640px){
  body{line-height:1.5}
  .topbar{padding:14px 20px}
  .topbar .logo{height:22px}
  .back span,.back{font-size:.7rem}
  .hero-media{height:56svh;min-height:300px}
  .hero-text{padding:24px 20px 26px}
  .hero-eyebrow{padding-top:0;margin-bottom:16px}
  .hero-title{font-size:clamp(2rem,9vw,2.7rem)}
  .hero-sub{font-size:.82rem;gap:6px 18px}
  .intro{padding:40px 0}
  .full .figure{aspect-ratio:4/5}
  .split,.split.p,.trio{grid-template-columns:1fr;gap:12px}
  .split.p .figure,.trio .figure,.feature .feat-media .figure{aspect-ratio:4/5}
  .dark-band .split{grid-template-columns:1fr}
  .dark-band .split .figure{aspect-ratio:4/5}
  .feature,.feature.rev{padding:28px 0}
  .cta h2{font-size:clamp(1.7rem,7vw,2.2rem)}
  .land-hero{padding:80px 0 24px}
  .proj-grid{grid-template-columns:1fr;gap:16px}
  .proj-media{aspect-ratio:4/5}
  .foot-in{flex-direction:column;gap:22px}
}

/* ============================================================
   GRANDS ÉCRANS — on laisse respirer un peu plus
   ============================================================ */
@media(min-width:1700px){
  .wrap{max-width:1500px}
  .hero-title{font-size:4.1rem}
  .land-hero h1{font-size:4.8rem}
}

@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .rv{opacity:1;transform:none}
  html{scroll-behavior:auto}
}
a:focus-visible,button:focus-visible{outline:2px solid currentColor;outline-offset:4px}

/* ============================================================
   Projet Garde-corps : formats paysage larges + sous-titres
   ============================================================ */
.block.wide .figure{aspect-ratio:2/1}
.pair{display:grid;grid-template-columns:1fr 1fr;gap:clamp(14px,1.8vw,24px);padding-bottom:clamp(14px,1.8vw,24px)}
.pair .figure{aspect-ratio:16/10}
.feat-media.tall .figure{aspect-ratio:3/4}
.midhead{text-align:center;padding:clamp(34px,4.5vw,64px) 0 clamp(16px,2vw,26px)}
.midhead .k{font-size:.72rem;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--gray);margin-bottom:12px}
.midhead h2{font-size:clamp(1.5rem,2.6vw,2.15rem);font-weight:600;letter-spacing:-.02em;line-height:1.1}
@media(max-width:640px){
  .pair{grid-template-columns:1fr;gap:12px}
  .block.wide .figure{aspect-ratio:16/10}
  .pair .figure{aspect-ratio:16/10}
}