/* famarc.css — clean docs/blog style, zero JS */
:root{
  --bg:#ffffff;
  --fg:#0b1320;
  --muted:#445266;
  --surface:#f5f7fa;
  --border:#e3e8ef;
  --link:#1b6ee0;
  --link-contrast:#ffffff;
  --radius:14px;
  --container:1120px;
  --fs-sm:clamp(14px, 1.6vw, 16px);
  --fs-md:clamp(17px, 1.9vw, 18px);
  --fs-lg:clamp(20px, 2.4vw, 24px);
  --fs-xl:clamp(28px, 4.3vw, 38px);
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;background:var(--bg);color:var(--fg);
  font-family:system-ui,-apple-system,"Segoe UI",Roboto,Ubuntu,Cantarell,"Noto Sans",Arial,sans-serif;
  line-height:1.65;font-size:var(--fs-md);-webkit-text-size-adjust:100%;text-rendering:optimizeLegibility;
}
.container{max-width:var(--container);margin:0 auto;padding:0 20px}
.small{font-size:var(--fs-sm)} .muted{color:var(--muted)}
.site-header{background:var(--bg);border-bottom:1px solid var(--border)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 0}
.brand{font-weight:800;font-size:var(--fs-lg);letter-spacing:.2px;text-decoration:none;color:var(--fg)}
.topnav a{margin-left:10px;padding:8px 10px;text-decoration:none;color:var(--muted);font-weight:600;border-radius:10px}
.topnav a:hover,.topnav a:focus{outline:2px solid var(--link);outline-offset:2px;color:var(--fg)}
.hero{background:linear-gradient(180deg,var(--surface),#fff 60%);border-bottom:1px solid var(--border);padding:clamp(24px,5vw,56px) 0}
.hero h1{margin:.2em 0;font-size:var(--fs-xl)} .lead{margin:.2em 0 0;color:var(--muted)}
.grid-3{display:grid;gap:20px;grid-template-columns:1fr}
@media (min-width:760px){.grid-3{grid-template-columns:1fr 1fr}}
@media (min-width:1024px){.grid-3{grid-template-columns:1fr 1fr 1fr}}
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:clamp(16px,2.5vw,22px)}
.card h2{margin:0 0 6px;font-size:var(--fs-lg)} .card p{margin:0 0 10px}
.list{margin:0;padding-left:20px} .list li{margin:4px 0}
.docs{padding:clamp(20px,4vw,40px) 0} .docs h2{font-size:var(--fs-lg)}
details{background:#fff;border:1px solid var(--border);border-radius:10px;padding:12px 14px}
details summary{cursor:pointer;font-weight:700;color:var(--fg)} details[open]{box-shadow:0 1px 0 rgba(0,0,0,.02)}
code{background:#f0f3f8;border:1px solid #e1e6ef;padding:2px 6px;border-radius:6px}
a{color:var(--link)} a:focus{outline:3px solid var(--link);outline-offset:2px}
.button{display:inline-block;background:var(--link);color:var(--link-contrast);text-decoration:none;padding:10px 14px;border-radius:10px;font-weight:700}
.button:hover,.button:focus{filter:brightness(0.95)}
.site-footer{border-top:1px solid var(--border);margin-top:clamp(24px,5vw,60px);padding:14px 0;color:var(--muted)}
.footer-inner{display:flex;gap:12px;justify-content:space-between;align-items:center;flex-wrap:wrap}
.site-footer a{text-decoration:none;color:var(--muted)}
.site-footer a:hover,.site-footer a:focus{color:var(--fg);outline:2px solid var(--link);outline-offset:2px}
:focus-visible{outline:3px solid var(--link);outline-offset:2px}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}
/* --- Gallery (no JS) --- */
.gallery{
  display:grid;
  grid-template-columns:repeat(2, minmax(0,1fr));
  gap:16px;
  margin:18px 0 28px;
}
@media (min-width:760px){ .gallery{ grid-template-columns:repeat(3, minmax(0,1fr)); } }
@media (min-width:1120px){ .gallery{ grid-template-columns:repeat(4, minmax(0,1fr)); } }

.tile{
  margin:0;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:12px;
  overflow:hidden;
  display:flex;
  flex-direction:column;
}
.tile-link{
  display:block;
  line-height:0; /* remove gap under img inline-block */
}
.tile img{
  width:100%;
  height:auto;
  display:block;
  aspect-ratio: 16 / 10; /* helps layout while loading */
  object-fit: cover;
}
.tile-cap{
  padding:10px 12px;
  display:flex;
  flex-direction:column;
  gap:2px;
}
.cap-title{ font-weight:700; }
.cap-meta{ color:var(--muted); font-size:var(--fs-sm); }
/* Language choice group */
.lang-choices{ display:flex; gap:12px; margin-top:14px; flex-wrap:wrap }
.button-outline{
  background:transparent;
  color:var(--link);
  border:2px solid var(--link);
}
.button-outline:hover,.button-outline:focus{ background:rgba(27,110,224,.08) }
/* --- CSS-only Lightbox (no JS) --- */
.lb-overlay{
  position:fixed; inset:0; display:none; z-index:9999;
  background:rgba(11,19,32,0.88); /* dunkel-transparent */
}
.lb-overlay:target{ display:block; }
.lb-inner{
  position:absolute; inset:0; display:flex; flex-direction:column;
  gap:10px; padding:14px;
}
.lb-bar{
  display:flex; justify-content:space-between; align-items:center; gap:8px;
  color:#fff; font-weight:700;
}
.lb-close,.lb-prev,.lb-next,.lb-full{
  display:inline-block; text-decoration:none; padding:8px 12px; border-radius:10px;
  border:1px solid rgba(255,255,255,0.35);
  color:#fff;
}
.lb-close:hover,.lb-prev:hover,.lb-next:hover,.lb-full:hover{ background:rgba(255,255,255,0.08); }
.lb-stage{
  flex:1; display:flex; align-items:center; justify-content:center; overflow:auto;
}
.lb-stage img{
  max-width:95vw; max-height:75vh; width:auto; height:auto; display:block; border-radius:12px;
  background:#000;
}
.lb-caption{ color:#cfd6e6; text-align:center; margin-top:6px; font-size:var(--fs-sm); }
/* --- Gallery v1.1 (fix): 384x240 Thumbs, grid 1/2/4 columns --- */
.gallery{
  display:grid;
  grid-template-columns: repeat(1, 384px);
  gap:16px;
  justify-content:center;
}
@media (min-width:760px){  .gallery{ grid-template-columns: repeat(2, 384px); } }
@media (min-width:1120px){ .gallery{ grid-template-columns: repeat(4, 384px); } }

.tile{ width:384px; margin:0; background:var(--surface); border:1px solid var(--border);
  border-radius:12px; overflow:hidden; display:flex; flex-direction:column; }
.tile-link{ display:block; line-height:0; text-decoration:none; color:inherit; }

.tile img{
  width:384px; height:240px; display:block; object-fit:cover; background:#000;
}
/* --- Gallery v1.1 fix: 384x240 Thumbs, grid 1/2/4 columns --- */
.gallery{ display:grid; grid-template-columns:repeat(1,384px); gap:16px; justify-content:center; }
@media (min-width:760px){  .gallery{ grid-template-columns:repeat(2,384px); } }
@media (min-width:1120px){ .gallery{ grid-template-columns:repeat(4,384px); } }
.tile{ width:384px; margin:0; background:var(--surface); border:1px solid var(--border);
  border-radius:12px; overflow:hidden; display:flex; flex-direction:column; }
.tile-link{ display:block; line-height:0; text-decoration:none; color:inherit; }
.tile img{ width:384px; height:240px; display:block; object-fit:cover; background:#000; }