/* ==========================================================================
   21 TEN STREETS — design tokens
   Palette inspirée du boîtier bi-color OM SYSTEM OM-3 : titane brossé + noir mat.
   ========================================================================== */

:root{
  --body-black:   #121212;
  --panel-dark:   #1b1b1a;
  --panel-dark-2: #232320;
  --titanium:     #c9c2b4;
  --titanium-dim: #948d7e;
  --paper:        #ede9e0;
  --ink:          #1b1917;
  --ink-soft:     #48453e;
  --ink-light:    #e8e4d9;
  --accent:       #b33a2e;
  --accent-dim:   #7c2a22;
  --hairline:     rgba(201,194,180,0.20);
  --hairline-soft:rgba(201,194,180,0.10);

  --f-display: "Big Shoulders Display", "Arial Narrow", sans-serif;
  --f-mono:    "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
  --f-serif:   "Newsreader", "Iowan Old Style", Georgia, serif;

  --topplate-h: 64px;
  --maxw: 1360px;
}

*,*::before,*::after{ box-sizing:border-box; }
[hidden]{ display:none !important; }
html{ scroll-behavior:smooth; }
@media (prefers-reduced-motion: reduce){ html{ scroll-behavior:auto; } }

body{
  margin:0;
  background:var(--body-black);
  color:var(--ink-light);
  font-family:var(--f-serif);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

img{ display:block; max-width:100%; }
a{ color:inherit; }
button{ font-family:inherit; }

.wrap{ max-width:var(--maxw); margin:0 auto; padding:0 24px; }

/* ---------- Top plate (nav) ---------- */

.topplate{
  position:sticky; top:0; z-index:50;
  height:var(--topplate-h);
  background:var(--body-black);
  border-bottom:1px solid var(--hairline);
  display:flex; align-items:center;
}
.topplate .wrap{ display:flex; align-items:center; justify-content:space-between; height:100%; }

.brand{
  font-family:var(--f-display);
  font-weight:700;
  font-size:19px;
  letter-spacing:0.04em;
  text-decoration:none;
  color:var(--ink-light);
  display:flex; align-items:baseline; gap:8px;
}
.brand small{
  font-family:var(--f-mono);
  font-size:10px;
  color:var(--titanium-dim);
  letter-spacing:0.14em;
  font-weight:400;
}

.status{
  display:flex; align-items:center; gap:18px;
  font-family:var(--f-mono);
  font-size:11px;
  letter-spacing:0.06em;
  color:var(--titanium-dim);
}
.status .dot{
  width:6px; height:6px; border-radius:50%;
  background:var(--accent);
  display:inline-block;
  margin-right:6px;
  box-shadow:0 0 0 3px rgba(179,58,46,0.15);
}

.dial-nav{
  display:flex; gap:6px;
}
.dial-nav button{
  background:none; border:1px solid var(--hairline);
  color:var(--titanium-dim);
  font-family:var(--f-mono);
  font-size:11px;
  letter-spacing:0.08em;
  padding:7px 14px;
  border-radius:999px;
  cursor:pointer;
  transition:border-color .18s ease, color .18s ease;
}
.dial-nav button:hover, .dial-nav button:focus-visible{
  border-color:var(--titanium);
  color:var(--ink-light);
  outline:none;
}
.dial-nav button.active{
  border-color:var(--accent);
  color:var(--ink-light);
}

.menu-toggle{ display:none; }

/* ---------- App bar (installation / notifications) ---------- */

.app-bar{
  background:var(--panel-dark);
  border-bottom:1px solid var(--hairline);
}
.app-bar__inner{
  display:flex; gap:10px; align-items:center; justify-content:flex-end;
  padding:10px 24px;
}
.chrome-btn{
  background:none; border:1px solid var(--hairline);
  color:var(--titanium-dim);
  font-family:var(--f-mono); font-size:10.5px; letter-spacing:0.06em;
  padding:8px 14px; border-radius:999px; cursor:pointer;
  transition:border-color .18s ease, color .18s ease;
}
.chrome-btn:hover{ border-color:var(--titanium); color:var(--ink-light); }
.chrome-btn.active{ border-color:var(--accent); color:var(--ink-light); }

.ios-hint{
  display:flex; align-items:center; justify-content:space-between; gap:12px;
  background:var(--accent-dim); color:var(--ink-light);
  font-family:var(--f-mono); font-size:11.5px;
  padding:10px 20px;
}
.ios-hint button{
  background:none; border:none; color:var(--ink-light);
  font-size:14px; cursor:pointer; line-height:1;
}

/* ---------- Hero ---------- */

.hero{
  position:relative;
  height:92vh; min-height:520px;
  overflow:hidden;
  background:var(--panel-dark);
}
.hero__img{
  position:absolute; inset:0;
  width:100%; height:100%; object-fit:cover;
  filter:grayscale(1) contrast(1.04);
  clip-path:circle(150% at 50% 50%);
}
.hero--empty{
  background:
    radial-gradient(circle at 50% 38%, rgba(201,194,180,0.06), transparent 60%),
    repeating-linear-gradient(135deg, rgba(201,194,180,0.03) 0 2px, transparent 2px 26px),
    var(--panel-dark);
}
.hero--empty .hero__exif{ color:var(--titanium-dim); }
.hero--empty .hero__frameno{ color:var(--titanium-dim); }
.hero.reveal .hero__img{
  animation:iris-open 1.4s cubic-bezier(.22,1,.36,1) both;
}
@keyframes iris-open{
  from{ clip-path:circle(0% at 50% 42%); }
  to{ clip-path:circle(150% at 50% 42%); }
}
@media (prefers-reduced-motion: reduce){
  .hero.reveal .hero__img{ animation:none; }
}
.hero__scrim{
  position:absolute; inset:0;
  background:linear-gradient(180deg, rgba(18,18,18,.05) 0%, rgba(18,18,18,0) 30%, rgba(18,18,18,.55) 78%, rgba(18,18,18,.85) 100%);
}
.hero__content{
  position:relative; z-index:2;
  height:100%;
  display:flex; flex-direction:column; justify-content:flex-end;
  padding-bottom:52px;
}
.hero__title{
  font-family:var(--f-display);
  font-weight:700;
  font-size:clamp(52px, 11vw, 132px);
  line-height:0.86;
  letter-spacing:0.01em;
  margin:0 0 14px;
  color:var(--ink-light);
}
.hero__tagline{
  font-family:var(--f-serif);
  font-style:italic;
  font-weight:400;
  font-size:clamp(16px,2vw,20px);
  color:var(--titanium);
  margin:0 0 30px;
  max-width:46ch;
}
.hero__exif{
  display:flex; flex-wrap:wrap; gap:22px;
  font-family:var(--f-mono);
  font-size:12px;
  letter-spacing:0.05em;
  color:var(--titanium-dim);
  border-top:1px solid var(--hairline);
  padding-top:14px;
}
.hero__exif b{ color:var(--ink-light); font-weight:500; }
.hero__frameno{
  margin-left:auto;
  color:var(--accent);
  font-weight:600;
}

/* ---------- Section shell ---------- */

section{ padding:96px 0; }
.section-head{
  display:flex; align-items:baseline; justify-content:space-between;
  gap:24px;
  margin-bottom:44px;
  border-bottom:1px solid var(--hairline);
  padding-bottom:18px;
}
.section-head h2{
  font-family:var(--f-mono);
  font-weight:500;
  font-size:13px;
  letter-spacing:0.16em;
  text-transform:uppercase;
  color:var(--titanium);
  margin:0;
}
.section-head span{
  font-family:var(--f-mono);
  font-size:12px;
  color:var(--titanium-dim);
  white-space:nowrap;
}

/* ---------- Manifesto ---------- */

.manifesto{ padding:110px 0 80px; }
.manifesto blockquote{
  margin:0 auto; max-width:62ch;
  font-family:var(--f-serif);
  font-size:clamp(22px,3vw,30px);
  line-height:1.5;
  font-weight:400;
  color:var(--ink-light);
}
.manifesto footer{
  margin-top:26px;
  font-family:var(--f-mono);
  font-size:12px;
  color:var(--titanium-dim);
  letter-spacing:0.05em;
}

/* ---------- Rolls (planches contact) ---------- */

.rolls-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill, minmax(280px,1fr));
  gap:2px;
  background:var(--hairline-soft);
}
.roll-card{
  background:var(--body-black);
  padding:22px;
  cursor:pointer;
  border:1px solid transparent;
  transition:border-color .18s ease, background .18s ease;
  text-align:left;
}
.roll-card:hover, .roll-card:focus-visible{
  border-color:var(--hairline);
  background:var(--panel-dark);
  outline:none;
}
.roll-card__sheet{
  display:grid; grid-template-columns:repeat(3,1fr); gap:3px;
  margin-bottom:16px;
  aspect-ratio:3/2;
}
.roll-card__sheet img{
  width:100%; height:100%; object-fit:cover;
  filter:grayscale(1) brightness(.8);
}
.roll-card h3{
  font-family:var(--f-display);
  font-size:26px; font-weight:700;
  letter-spacing:0.01em;
  margin:0 0 6px;
  color:var(--ink-light);
}
.roll-card p{
  font-family:var(--f-mono);
  font-size:11.5px;
  letter-spacing:0.04em;
  color:var(--titanium-dim);
  margin:0;
}

.empty-note{
  grid-column:1/-1;
  column-span:all;
  font-family:var(--f-serif); font-style:italic; font-size:15px;
  color:var(--titanium-dim);
  padding:40px 4px;
  text-align:left;
}

/* ---------- Archive (défilé) — mur de tirages sur fond noir ---------- */

.archive{
  columns:4 280px;
  column-gap:32px;
  background:var(--body-black);
}
@media (max-width:900px){ .archive{ columns:2 220px; column-gap:24px; } }
@media (max-width:520px){ .archive{ columns:1; column-gap:0; } }

.frame{
  break-inside:avoid;
  margin-bottom:34px;
  cursor:pointer;
  background:var(--paper);       /* passe-partout blanc, comme un tirage monté */
  border-radius:0;                /* angles francs, pas d'arrondi */
  padding:16px 16px 0;
}
.frame img{
  width:100%; height:auto; display:block;
  border-radius:0;
  transition:transform .5s ease;
}
.frame:hover img{ transform:scale(1.015); }

.frame__label{
  display:flex; align-items:baseline; justify-content:space-between; gap:12px;
  padding:12px 2px 16px;
}
.frame__tag{
  font-family:var(--f-mono); font-size:10.5px; letter-spacing:0.08em;
  color:var(--ink-soft);
  white-space:nowrap;
}
.frame__tag.color{ color:var(--accent); font-weight:600; }
.frame__cap{
  font-family:var(--f-serif); font-style:italic; font-size:13px;
  color:var(--ink);
  text-align:right;
  line-height:1.35;
}

.archive-more{
  display:block; margin:34px auto 0;
  font-family:var(--f-mono); font-size:12px; letter-spacing:0.08em;
  color:var(--titanium-dim);
  background:none; border:1px solid var(--hairline);
  padding:12px 28px; border-radius:999px; cursor:pointer;
}
.archive-more:hover{ color:var(--ink-light); border-color:var(--titanium); }

/* ---------- Viewer (modal) ---------- */

.viewer{
  position:fixed; inset:0; z-index:100;
  background:rgba(10,10,10,.97);
  display:none;
  flex-direction:column;
  align-items:center; justify-content:center;
}
.viewer.open{ display:flex; }
.viewer__top{
  position:absolute; top:0; left:0; right:0;
  display:flex; justify-content:space-between; align-items:center;
  padding:18px 24px;
  font-family:var(--f-mono); font-size:11px; letter-spacing:0.08em;
  color:var(--titanium-dim);
}
.viewer__close{
  background:none; border:1px solid var(--hairline); color:var(--titanium-dim);
  font-family:var(--f-mono); font-size:11px; letter-spacing:0.1em;
  padding:8px 16px; border-radius:999px; cursor:pointer;
}
.viewer__close:hover{ color:var(--ink-light); border-color:var(--accent); }
.viewer__stage{
  flex:1; width:100%;
  display:flex; align-items:center; justify-content:center;
  padding:70px 24px 0;
  min-height:0;
}
.viewer__stage img{
  max-height:72vh; max-width:88vw;
  object-fit:contain;
}
.viewer__nav{
  position:absolute; top:50%; transform:translateY(-50%);
  background:none; border:none; cursor:pointer;
  color:var(--titanium-dim);
  width:64px; height:64px;
  display:flex; align-items:center; justify-content:center;
}
.viewer__nav:hover{ color:var(--ink-light); }
.viewer__nav.prev{ left:4px; }
.viewer__nav.next{ right:4px; }
.viewer__nav svg{ width:22px; height:22px; }

.viewer__exif{
  width:100%; max-width:var(--maxw);
  padding:22px 24px 30px;
  display:flex; flex-wrap:wrap; gap:10px 28px;
  font-family:var(--f-mono); font-size:12px; letter-spacing:0.04em;
  color:var(--titanium-dim);
  border-top:1px solid var(--hairline);
}
.viewer__exif b{ color:var(--ink-light); font-weight:500; }
.viewer__caption{
  width:100%;
  font-family:var(--f-serif); font-style:italic; font-size:15px;
  color:var(--ink-light);
  margin-bottom:4px;
}

/* ---------- About ---------- */

.about-grid{
  display:grid; grid-template-columns:1.4fr 1fr; gap:64px;
}
@media (max-width:800px){ .about-grid{ grid-template-columns:1fr; gap:40px; } }
.about-text p{
  font-family:var(--f-serif); font-size:17px; line-height:1.7;
  max-width:58ch; color:var(--ink-light);
}
.spec-plate{
  background:var(--panel-dark);
  border:1px solid var(--hairline);
  padding:26px 28px;
}
.spec-plate h3{
  font-family:var(--f-mono); font-size:12px; letter-spacing:0.12em;
  text-transform:uppercase; color:var(--titanium);
  margin:0 0 18px;
}
.spec-row{
  display:flex; justify-content:space-between; gap:16px;
  padding:10px 0;
  border-top:1px solid var(--hairline-soft);
  font-family:var(--f-mono); font-size:12px;
}
.spec-row:first-of-type{ border-top:none; }
.spec-row span:first-child{ color:var(--titanium-dim); }
.spec-row span:last-child{ color:var(--ink-light); text-align:right; }

/* ---------- Footer ---------- */

footer.site-footer{
  border-top:1px solid var(--hairline);
  padding:40px 0;
}
.site-footer .wrap{
  display:flex; flex-wrap:wrap; gap:16px;
  justify-content:space-between; align-items:center;
  font-family:var(--f-mono); font-size:11.5px; letter-spacing:0.05em;
  color:var(--titanium-dim);
}
.site-footer a{ text-decoration:none; }
.site-footer a:hover{ color:var(--ink-light); }
.footer-links{ display:flex; gap:22px; }

/* ---------- Responsive nav ---------- */

@media (max-width:720px){
  .dial-nav{ display:none; }
  .status{ display:none; }
  .menu-toggle{
    display:flex; align-items:center; justify-content:center;
    width:34px; height:34px; border-radius:50%;
    border:1px solid var(--hairline); background:none; color:var(--ink-light);
    cursor:pointer;
  }
  .dial-nav.mobile-open{
    display:flex; position:fixed; top:var(--topplate-h); left:0; right:0;
    background:var(--body-black); border-bottom:1px solid var(--hairline);
    flex-direction:column; padding:10px 20px 18px; gap:8px; z-index:60;
  }
  .dial-nav.mobile-open button{ text-align:left; border-radius:2px; }
  section{ padding:64px 0; }
  .hero__exif{ gap:14px; }
}

/* Focus visibility */
a:focus-visible, button:focus-visible, .frame:focus-visible{
  outline:2px solid var(--accent); outline-offset:2px;
}

.app-version{ opacity:0.45; font-size:0.85em; margin-left:6px; }