/* Qantara Labs — shared styles. Layout: single centered column, arch motif, generous whitespace. */
:root{
  --bg:#F4F5F7; --surface:#FFFFFF; --line:#DDE0E6;
  --ink:#111521; --muted:#596074;
  --accent:#2747C9; --accent-soft:#E6EBFB; --sand:#C9A45C;
  --f-display:"Readex Pro","IBM Plex Sans Arabic",system-ui,sans-serif;
  --f-body:"IBM Plex Sans Arabic",system-ui,-apple-system,"Segoe UI",sans-serif;
  color-scheme:light;
}
@media (prefers-color-scheme: dark){:root{
  --bg:#0D0F16; --surface:#151926; --line:#262B3B;
  --ink:#E8EAF1; --muted:#9AA1B5;
  --accent:#8AA2FF; --accent-soft:#1C2340; --sand:#D9B977; color-scheme:dark}}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--f-body);font-size:16px;line-height:1.65;
  padding-left:max(20px,env(safe-area-inset-left,0px));padding-right:max(20px,env(safe-area-inset-right,0px))}
.wrap{max-width:720px;margin:0 auto}
a{color:var(--accent)}
a:focus-visible,button:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
h1,h2,h3{font-family:var(--f-display);line-height:1.2;text-wrap:balance;margin:0}

.site-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:22px 0}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-family:var(--f-display);font-weight:600;font-size:1.1rem}
.logo svg{width:30px;height:30px}
.site-head nav{display:flex;gap:16px;font-size:.92rem}
.site-head nav a{color:var(--muted);text-decoration:none}
.site-head nav a:hover{color:var(--ink)}

.hero{padding:56px 0 40px;display:flex;flex-direction:column;gap:18px}
.hero h1{font-size:clamp(2.2rem,7vw,3.4rem);font-weight:600;letter-spacing:-.02em}
.hero .langs{display:flex;flex-direction:column;gap:4px;color:var(--muted);font-size:1.05rem}
.hero .langs [lang="ar"]{font-size:1.15rem}
.arch{width:84px;height:auto;color:var(--sand)}

.section-title{font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);font-weight:600;margin:28px 0 12px}
.apps{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:14px}
.app{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:20px;display:flex;flex-direction:column;gap:10px;min-width:0}
.app h3{font-size:1.25rem}
.app p{margin:0;color:var(--muted);font-size:.95rem}
.app .links{display:flex;gap:14px;flex-wrap:wrap;font-size:.9rem;margin-top:auto;padding-top:6px}
.tag{align-self:flex-start;font-size:.74rem;font-weight:600;background:var(--accent-soft);color:var(--accent);border-radius:999px;padding:3px 10px}

.contact{margin:40px 0 0;padding:22px;border-radius:18px;background:var(--accent-soft)}
.contact p{margin:0 0 6px}
.contact .mail{font-family:var(--f-display);font-size:1.15rem;user-select:all}

.doc{padding:24px 0 8px}
.doc h1{font-size:clamp(1.8rem,5.5vw,2.5rem);font-weight:600;margin-bottom:8px}
.doc .meta{color:var(--muted);font-size:.9rem;margin:0 0 18px}
.jump{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 26px}
.jump a{border:1px solid var(--line);background:var(--surface);border-radius:999px;padding:6px 14px;text-decoration:none;color:var(--ink);font-size:.9rem}
.lang-block{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:22px clamp(18px,4vw,30px);margin-bottom:22px}
.lang-block h2{font-size:1.4rem;margin:0 0 6px}
.lang-block h3{font-size:1.05rem;margin:22px 0 6px}
.lang-block p,.lang-block li{max-width:65ch}
.lang-block ul{padding-inline-start:20px}
.lang-block[dir="rtl"]{text-align:right}

.site-foot{border-top:1px solid var(--line);margin-top:48px;padding:22px 0 calc(28px + env(safe-area-inset-bottom,0px));color:var(--muted);font-size:.88rem;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
.site-foot a{color:var(--muted)}