/* ============================================================
   ATLAS ISLAMIC WORLD — Shared design system
   Cartographic / academic. Deep navy · parchment · brass gold.
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Spectral:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400;1,500&family=Archivo:wght@400;500;600;700&display=swap');

:root{
  /* palette */
  --ink:#0E2233;            /* deep navy ink */
  --ink-2:#14304a;
  --ink-soft:#3a5168;
  --paper:#F5EFE1;          /* parchment */
  --paper-2:#EFE7D4;
  --paper-3:#E7DCC4;
  --cream:#FBF7EC;
  --gold:#B5863A;           /* brass */
  --gold-deep:#9A6E2C;
  --teal:#1F4E4A;
  --terra:#9C5A3C;
  --line:rgba(14,34,51,.14);
  --line-strong:rgba(14,34,51,.28);
  --text:#1A2A38;
  --muted:#5d6b76;
  --muted-2:#7d8893;
  /* dark feature sections (stay dark in BOTH themes) */
  --section:#0E2233;
  --section-fg:#F5EFE1;
  /* type */
  --serif:'Spectral',Georgia,'Times New Roman',serif;
  --sans:'Archivo','Helvetica Neue',Arial,sans-serif;
  /* metrics */
  --maxw:1240px;
  --gutter:clamp(20px,5vw,64px);
  --radius:3px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:var(--serif);
  font-size:18px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}

/* paper texture overlay */
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:1;opacity:.5;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(14,34,51,.025) 0, transparent 60%),
    radial-gradient(circle at 80% 70%, rgba(155,110,44,.03) 0, transparent 55%);
  mix-blend-mode:multiply;
}

/* ---------- layout helpers ---------- */
.wrap{max-width:var(--maxw);margin:0 auto;padding-inline:var(--gutter)}
.eyebrow{
  font-family:var(--sans);font-size:12px;font-weight:600;letter-spacing:.22em;
  text-transform:uppercase;color:var(--gold-deep);display:inline-flex;align-items:center;gap:10px;
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--gold);display:inline-block}
.section{padding-block:clamp(56px,9vw,120px);position:relative;z-index:2}

/* ---------- type ---------- */
h1,h2,h3,h4{font-weight:500;line-height:1.08;margin:0;letter-spacing:-.01em}
.display{font-size:clamp(2.6rem,6.2vw,5.1rem);font-weight:400;line-height:1.02;letter-spacing:-.02em}
h2.title{font-size:clamp(1.9rem,3.6vw,2.9rem)}
.lede{font-size:clamp(1.15rem,1.7vw,1.45rem);line-height:1.55;color:var(--ink-soft);font-weight:300}
.coord{font-family:var(--sans);font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted-2)}

/* ---------- top bar ---------- */
.topbar{position:sticky;top:0;z-index:40;background:color-mix(in srgb,var(--paper) 90%,transparent);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.topbar .row{display:flex;align-items:center;gap:28px;height:74px}
.brand{display:flex;align-items:center;gap:13px;margin-right:auto}
.brand .mark{width:38px;height:38px;flex:none}
.brand .mark circle,.brand .mark ellipse,.brand .mark line{stroke:var(--text)}
.brand .mark circle:last-of-type{fill:var(--text)}
.brand .mark path{fill:var(--gold)}
.brand .name{font-family:var(--serif);font-weight:500;font-size:19px;letter-spacing:.01em;line-height:1.05}
.brand .name small{display:block;font-family:var(--sans);font-size:9.5px;letter-spacing:.26em;
  text-transform:uppercase;color:var(--gold-deep);font-weight:600;margin-top:2px}
.nav{display:flex;gap:6px;font-family:var(--sans);font-size:13px;font-weight:500}
.nav a{padding:8px 14px;border-radius:var(--radius);color:var(--ink-soft);letter-spacing:.02em;
  position:relative;transition:color .2s}
.nav a:hover{color:var(--text)}
.nav a.active{color:var(--text)}
.nav a.active::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;background:var(--gold)}
.tb-actions{display:flex;align-items:center;gap:14px}
.lang{font-family:var(--sans);font-size:12px;font-weight:600;letter-spacing:.08em;color:var(--ink-soft);
  display:flex;align-items:center;gap:6px;border:1px solid var(--line);padding:7px 11px;border-radius:var(--radius)}
.menu-btn{display:none;background:none;border:1px solid var(--line);border-radius:var(--radius);
  width:42px;height:38px;cursor:pointer;align-items:center;justify-content:center}
.menu-btn span,.menu-btn span::before,.menu-btn span::after{content:"";display:block;width:18px;height:1.6px;background:var(--text);position:relative}
/* theme toggle */
.theme-btn{background:none;border:1px solid var(--line);border-radius:var(--radius);width:40px;height:38px;
  cursor:pointer;display:inline-flex;align-items:center;justify-content:center;color:var(--text);transition:.18s;flex:none}
.theme-btn:hover{border-color:var(--line-strong);background:color-mix(in srgb,var(--text) 6%,transparent)}
.theme-btn .i-sun{display:none}.theme-btn .i-moon{display:block}
body[data-theme="dark"] .theme-btn .i-sun{display:block}
body[data-theme="dark"] .theme-btn .i-moon{display:none}
.menu-btn span::before{position:absolute;top:-6px}.menu-btn span::after{position:absolute;top:6px}

/* ---------- buttons ---------- */
.btn{font-family:var(--sans);font-weight:600;font-size:13px;letter-spacing:.04em;
  display:inline-flex;align-items:center;gap:10px;padding:14px 24px;border-radius:var(--radius);
  cursor:pointer;border:1px solid transparent;transition:.2s;white-space:nowrap}
.btn .arr{transition:transform .2s}
.btn:hover .arr{transform:translateX(4px)}
.btn-primary{background:var(--section);color:var(--section-fg)}
.btn-primary:hover{background:var(--ink-2)}
.btn-gold{background:var(--gold);color:#1c1404}
.btn-gold:hover{background:var(--gold-deep);color:var(--section-fg)}
.btn-ghost{background:transparent;color:var(--text);border-color:var(--line-strong)}
.btn-ghost:hover{background:var(--section);color:var(--section-fg);border-color:var(--text)}

/* ---------- footer ---------- */
.footer{background:var(--section);color:var(--section-fg);position:relative;z-index:2;
  padding-block:clamp(48px,7vw,80px) 36px;overflow:hidden}
.footer::before{content:"";position:absolute;inset:0;opacity:.10;pointer-events:none;
  background-image:linear-gradient(var(--paper) .5px,transparent .5px),linear-gradient(90deg,var(--paper) .5px,transparent .5px);
  background-size:54px 54px}
.footer .wrap{position:relative}
.footer .grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px;align-items:start}
.footer h4{font-family:var(--sans);font-size:11px;letter-spacing:.2em;text-transform:uppercase;
  color:var(--gold);margin-bottom:18px;font-weight:600}
.footer .flink{display:block;color:rgba(245,239,225,.78);font-size:15px;padding:5px 0;transition:.2s;font-family:var(--sans)}
.footer .flink:hover{color:var(--section-fg);padding-left:6px}
.footer .fbrand .name{font-family:var(--serif);font-size:24px;font-weight:500}
.footer .fbrand p{color:rgba(245,239,225,.6);max-width:34ch;font-weight:300;font-size:15.5px}
.footer .base{margin-top:48px;padding-top:22px;border-top:1px solid rgba(245,239,225,.16);
  display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;
  font-family:var(--sans);font-size:12px;letter-spacing:.04em;color:rgba(245,239,225,.55)}

/* ---------- map card ---------- */
.platecard{background:var(--cream);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column;transition:.28s;position:relative}
.platecard:hover{transform:translateY(-4px);box-shadow:0 22px 44px -28px rgba(14,34,51,.45);border-color:var(--line-strong)}
.platecard .thumb{aspect-ratio:4/3;overflow:hidden;border-bottom:1px solid var(--line);background:var(--paper-2)}
.platecard .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.platecard:hover .thumb img{transform:scale(1.04)}
.platecard .meta{padding:18px 20px 22px;display:flex;flex-direction:column;gap:8px;flex:1}
.platecard .pno{font-family:var(--sans);font-size:11px;letter-spacing:.16em;color:var(--gold-deep);font-weight:600}
.platecard .ptitle{font-size:1.28rem;line-height:1.18;font-weight:500}
.platecard .ptags{margin-top:auto;display:flex;gap:7px;flex-wrap:wrap;padding-top:10px}
.tag{font-family:var(--sans);font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;
  color:var(--ink-soft);border:1px solid var(--line);padding:4px 9px;border-radius:100px;font-weight:500}

/* ---------- search (shared: hero + collection) ---------- */
.ais{display:flex;align-items:center;gap:12px;background:var(--cream);border:1px solid var(--line-strong);
  border-radius:var(--radius);padding:6px 6px 6px 18px;transition:.18s;width:100%}
.ais:focus-within{border-color:var(--gold);box-shadow:0 0 0 4px rgba(181,134,58,.16)}
.ais .mag{flex:none;color:var(--muted-2)}
.ais input{flex:1;border:none;background:none;outline:none;font-family:var(--serif);font-size:1.05rem;color:var(--text);min-width:0}
.ais input::placeholder{color:var(--muted-2)}
.ais .go{font-family:var(--sans);font-weight:600;font-size:13px;letter-spacing:.04em;background:var(--gold);color:#1c1404;
  border:none;border-radius:2px;padding:11px 20px;cursor:pointer;transition:.18s;white-space:nowrap;display:inline-flex;align-items:center;gap:8px}
.ais .go:hover{background:var(--gold-deep);color:var(--section-fg)}
.ais--ondark{background:rgba(245,239,225,.07);border-color:rgba(245,239,225,.26)}
.ais--ondark input{color:var(--section-fg)}
.ais--ondark input::placeholder{color:rgba(245,239,225,.5)}
.ais--ondark .mag{color:rgba(245,239,225,.6)}
.ais--big{padding:9px 9px 9px 24px;border-radius:4px}
.ais--big input{font-size:1.2rem;padding-block:9px}
.ais--big .go{padding:15px 28px;border-radius:3px}
.ais-hint{font-family:var(--sans);font-size:12px;letter-spacing:.04em;color:var(--muted-2);margin-top:14px}
.ais-hint a,.ais-hint b{color:var(--gold-deep);font-weight:600;cursor:pointer}
.ais--ondark + .ais-hint,.ais-hintlight{color:rgba(245,239,225,.6)}
.ais--ondark + .ais-hint b,.ais--ondark + .ais-hint a{color:var(--gold)}

/* reveal */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none}}

/* ---------- responsive ---------- */
@media(max-width:900px){
  .nav,.lang span{display:none}
  .menu-btn{display:flex}
  .footer .grid{grid-template-columns:1fr 1fr}
  .footer .fbrand{grid-column:1/-1}
}
@media(max-width:560px){
  body{font-size:17px}
  .footer .grid{grid-template-columns:1fr}
  .ais{padding-left:14px;gap:8px}
  .ais .go{padding:11px 14px}
  .ais .go span{display:none}
  .ais--big input{font-size:1.05rem}
}

/* mobile drawer */
.drawer{position:fixed;inset:0;z-index:60;background:var(--paper);transform:translateX(100%);
  transition:transform .35s cubic-bezier(.4,0,.1,1);display:flex;flex-direction:column;padding:24px var(--gutter)}
.drawer.open{transform:none}
.drawer .dtop{display:flex;justify-content:space-between;align-items:center;height:50px;margin-bottom:24px}
.drawer .close{background:none;border:none;font-size:30px;cursor:pointer;color:var(--text);line-height:1}
.drawer a{font-family:var(--serif);font-size:1.7rem;padding:14px 0;border-bottom:1px solid var(--line);color:var(--text)}

/* ---------- tweakable texture density ---------- */
body[data-tex="off"] .hero::before,
body[data-tex="off"] .programs::before,
body[data-tex="off"] .pagehead::before,
body[data-tex="off"] .footer::before{opacity:0!important}
body[data-tex="bold"] .hero::before,
body[data-tex="bold"] .pagehead::before{opacity:.26}
body[data-tex="bold"] .programs::before{opacity:.13}
body[data-tex="bold"] .footer::before{opacity:.18}