/* GOOGAN Encyclopedia v3 — light guide layout */
:root{
  --blue:#173b6c; --blue-btn:#1f57a4; --blue-btn-h:#174a8d; --sky:#dde9f4; --sky-2:#eef4fa;
  --teal:#0e6455; --teal-btn:#0f7a67; --mint:#dcefe9;
  --gold:#b98f2f; --ink:#1b2430; --muted:#5d6b7a; --line:#e2e7ed; --soft:#f4f6f8; --white:#fff;
  --ui:Cairo,"Segoe UI",Tahoma,sans-serif; --txt:"IBM Plex Sans Arabic","Segoe UI",Tahoma,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--white);color:var(--ink);font-family:var(--txt);font-size:16.5px;line-height:1.85}
a{color:var(--blue-btn)}
img{max-width:100%;height:auto;display:block}
:focus-visible{outline:3px solid var(--gold);outline-offset:2px}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}
.narrow{max-width:780px;padding-block:32px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.skip{position:absolute;right:-9999px}.skip:focus{right:16px;top:10px;z-index:30;background:#fff;padding:8px 12px}
.ic{width:18px;height:18px;flex:0 0 18px;margin-top:5px}

/* header */
.top{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}
.top-row{display:flex;align-items:center;gap:24px;min-height:70px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink)}
.logo img{width:46px;height:46px;object-fit:contain}
.logo b{display:block;font-family:var(--ui);font-weight:900;font-size:20px;color:var(--blue);line-height:1.2}
.logo i{font-style:normal;font-size:12.5px;color:var(--muted)}
.top-nav{display:flex;gap:22px;margin-inline-start:auto}
.top-nav a{color:var(--ink);text-decoration:none;font-weight:600;font-size:15px}
.top-nav a:hover{color:var(--blue-btn)}
.search{display:flex;border:1px solid #c9d3de;border-radius:999px;overflow:hidden;width:230px}
.search input{border:0;flex:1;min-width:0;padding:8px 14px;font:inherit;font-size:14px;background:transparent}
.search button{border:0;background:transparent;color:var(--blue);padding:0 12px;cursor:pointer}

/* banner (hero) */
.banner{background:linear-gradient(90deg,var(--sky) 0%,var(--sky-2) 55%,#fff 100%);border-bottom:1px solid var(--line)}
.banner.pb{background:linear-gradient(90deg,var(--mint) 0%,#eef7f4 55%,#fff 100%)}
.banner.px{background:var(--soft)}
.banner-grid{display:grid;grid-template-columns:1fr;gap:40px;align-items:center;padding-block:40px 34px}
.banner.has-img .banner-grid{grid-template-columns:1.15fr 1fr}
.banner h1{font-family:var(--ui);font-weight:900;font-size:clamp(28px,3.4vw,44px);line-height:1.35;margin:4px 0 12px;color:#14263f}
.banner .sub{font-size:18px;color:#3d4b5b;margin:0 0 18px;max-width:36em}
.banner .sub a{font-weight:700}
.kicker{margin:0;font-weight:700;color:var(--gold);font-family:var(--ui)}
.upd{display:flex;gap:8px;align-items:flex-start;margin:16px 0 0;font-size:14.5px;color:#2e3b4a}
.upd .ic{color:var(--ink);margin-top:3px}
.banner-img figure{margin:0}
.banner-img img{width:100%;aspect-ratio:1200/630;object-fit:cover;border-radius:12px;box-shadow:0 18px 40px -22px rgba(23,59,108,.45)}
.banner-img figcaption{font-size:14px;color:var(--muted);margin-top:10px}
.banner-img figcaption a{font-weight:700;color:var(--ink)}
.doors{display:flex;flex-wrap:wrap;gap:12px}
.crumbs{display:flex;flex-wrap:wrap;gap:6px;font-size:14px;margin-bottom:4px}
.crumbs a{color:var(--muted);text-decoration:none}
.crumbs a:hover{text-decoration:underline}
.crumbs a+a::before{content:"‹";margin-inline-end:6px}
.meta{display:flex;flex-wrap:wrap;gap:6px 18px;align-items:center;margin:0;font-size:14.5px;color:#3d4b5b}
.pill{font-family:var(--ui);font-weight:700;font-size:13px;padding:2px 12px;border-radius:999px;background:var(--blue);color:#fff}
.pill.pb{background:var(--teal)}.pill.px{background:#59636f}

/* buttons */
.btn{display:inline-block;background:var(--blue-btn);color:#fff;font-family:var(--ui);font-weight:800;font-size:16px;text-decoration:none;padding:11px 24px;border-radius:6px;text-align:center}
.btn:hover{background:var(--blue-btn-h)}
.btn.alt,.pb .btn{background:var(--teal-btn)}
.btn.alt:hover,.pb .btn:hover{background:var(--teal)}

/* guide rows */
.rows{display:grid;gap:16px;align-content:start}
.sec-head{display:flex;justify-content:space-between;align-items:baseline;margin:8px 0 2px}
.sec-head.pb{margin-top:30px}
.sec-head h2{font-family:var(--ui);font-weight:900;font-size:26px;margin:0;color:#14263f}
.sec-head a{font-weight:700;font-size:15px}
.row{position:relative;display:grid;grid-template-columns:220px minmax(0,1fr) 170px;gap:22px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:6px;padding:18px 20px;box-shadow:0 2px 6px -3px rgba(16,32,56,.12)}
.row:first-of-type{border:2px solid var(--blue-btn)}
.row.pb:first-of-type{border-color:var(--teal-btn)}
.row .num{position:absolute;top:-12px;right:-12px;width:30px;height:30px;border-radius:50%;background:#fff;border:1.5px solid var(--ink);display:grid;place-items:center;font-weight:700}
.row-img img{width:100%;aspect-ratio:1200/630;object-fit:cover;border-radius:6px;background:var(--soft)}
.topic{font-family:var(--ui);font-size:13px;font-weight:700;color:var(--gold)}
.pb .topic,.row.pb .topic{color:var(--teal)}
.row h3{font-family:var(--ui);font-weight:800;font-size:19px;line-height:1.55;margin:2px 0 8px}
.row h3 a{color:#14263f;text-decoration:none}
.row h3 a:hover{color:var(--blue-btn)}
.checks{list-style:none;margin:0;padding:0;display:grid;gap:2px}
.checks li{display:flex;gap:8px;font-size:15px;line-height:1.7;color:#334253}
.checks .ic{width:16px;height:16px;flex-basis:16px;color:var(--blue-btn)}
.pb .checks .ic{color:var(--teal-btn)}
.row-side{display:flex;flex-direction:column;align-items:center;gap:10px}
.mins{font-size:13.5px;color:var(--muted)}
.row-side .btn{width:100%}

/* layouts */
.home-grid,.hub-grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:36px;padding-block:36px}
.home-side,.hub-side,.art-side{display:grid;gap:22px;align-content:start}
.hub-side{position:sticky;top:90px;align-self:start}
.reads{background:var(--soft);border-radius:8px;padding:22px}
.reads h2{font-family:var(--ui);font-weight:800;font-size:22px;margin:0 0 14px;color:#14263f}
.reads ul{list-style:none;margin:0;padding:0;display:grid;gap:20px}
.reads a{display:grid;gap:6px;text-decoration:none;color:var(--ink)}
.reads .sr-img img{width:100%;aspect-ratio:1200/630;object-fit:cover;border-radius:6px}
.reads b{font-family:var(--ui);font-size:16px;line-height:1.55}
.reads a:hover b{color:var(--blue-btn)}
.sr-ex{font-size:14px;color:var(--muted);line-height:1.75}
.cta{border-radius:8px;padding:22px;background:var(--blue);color:#fff}
.cta.pb{background:var(--teal)}
.cta h2{font-family:var(--ui);font-size:20px;margin:0 0 6px;color:#fff}
.cta p{margin:0 0 16px;color:#dfe8f1;font-size:15px}
.cta .btn{background:#fff;color:var(--blue)}
.cta.pb .btn{color:var(--teal)}
.band{background:var(--soft);padding-block:36px;margin-top:10px}
.band h2{font-family:var(--ui);font-weight:900;font-size:26px;margin:0 0 18px}
.pillars{display:grid;grid-template-columns:1fr 1fr;gap:28px;padding-block:8px}
.pillar h2,.pillar h3{font-family:var(--ui);font-weight:800;font-size:20px;margin:0 0 12px}
.pillar.pa h2,.pillar.pa h3{color:var(--blue)}
.pillar.pb h2,.pillar.pb h3{color:var(--teal)}
.chips{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:10px}
.chips a{display:flex;gap:10px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:999px;padding:7px 16px;text-decoration:none;color:var(--ink);font-weight:600;font-size:15px}
.chips em{font-style:normal;color:var(--muted);font-size:13px}
.chips a:hover{border-color:var(--blue-btn);color:var(--blue-btn)}
.more{padding-block:36px}
.more h2{font-family:var(--ui);font-weight:900;font-size:26px;margin:0 0 18px}
.tiles{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.tile a{display:grid;gap:8px;text-decoration:none;color:var(--ink)}
.tile-img img{width:100%;aspect-ratio:1200/630;object-fit:cover;border-radius:6px}
.tile h3{font-family:var(--ui);font-size:16px;line-height:1.55;margin:0}
.tile a:hover h3{color:var(--blue-btn)}

/* article */
.art-grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:48px;padding-block:34px}
.art-main{max-width:780px}
.lead{background:var(--sky-2);border-inline-start:4px solid var(--blue-btn);border-radius:0 8px 8px 0;padding:16px 20px;margin-bottom:26px}
.pb .lead{background:#eef7f4;border-color:var(--teal-btn)}
.lead h2{font-family:var(--ui);font-size:15px;margin:0 0 4px;color:var(--blue)}
.pb .lead h2{color:var(--teal)}
.lead p{margin:0;font-size:17.5px;font-weight:500;line-height:1.95}
.toc{border:1px solid var(--line);border-radius:8px;padding:16px 20px;margin-bottom:30px}
.toc h2{font-family:var(--ui);font-size:17px;margin:0 0 8px}
.toc ol{margin:0;padding-inline-start:22px;columns:2;column-gap:28px}
.toc li{break-inside:avoid;margin-bottom:4px;font-size:15px}
.toc a{color:var(--ink);text-decoration:none}
.toc a:hover{color:var(--blue-btn);text-decoration:underline}
.prose{font-size:17.5px;line-height:2}
.prose p{margin:0 0 1.15em}
.prose h2{font-family:var(--ui);font-weight:900;font-size:26px;line-height:1.5;margin:1.8em 0 .55em;color:#14263f;scroll-margin-top:90px}
.prose h3{font-family:var(--ui);font-weight:800;font-size:21px;margin:1.5em 0 .4em;color:#14263f}
.prose h4{font-family:var(--ui);font-size:18px;margin:1.2em 0 .3em}
.prose ul,.prose ol{padding-inline-start:1.3em;margin:0 0 1.2em}
.prose li{margin-bottom:.35em}
.prose ul li::marker{color:var(--blue-btn)}
.prose figure{margin:1.6em 0}.prose figure img{border-radius:8px;margin-inline:auto}
.prose blockquote{margin:1.4em 0;padding:6px 20px;border-inline-start:4px solid var(--gold);background:var(--soft);border-radius:0 6px 6px 0}
.table-wrap{overflow-x:auto;margin:1.4em 0;border:1px solid var(--line);border-radius:8px}
.prose table{border-collapse:collapse;width:100%;font-size:15.5px;line-height:1.7}
.prose th,.prose td{padding:10px 14px;border-bottom:1px solid var(--line);text-align:start;vertical-align:top}
.prose th{background:var(--blue);color:#fff}
.pb .prose th{background:var(--teal)}
.prose tr:nth-child(even) td{background:var(--soft)}
.prose iframe{max-width:100%}
.byline{font-size:14px;color:var(--muted);border-top:1px solid var(--line);padding-top:14px;margin:34px 0 26px}
.art-side{position:sticky;top:90px;align-self:start}

/* footer */
.foot{background:#0f2440;color:#cdd8e3;margin-top:40px}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:36px;padding-block:40px}
.foot b{color:#fff;font-family:var(--ui);font-size:18px}
.foot p{font-size:15px}
.foot h2{color:#e2c87f;font-family:var(--ui);font-size:16px;margin:0 0 10px}
.foot a{display:block;color:#fff;text-decoration:none;font-size:15px;margin-bottom:8px}
.foot a:hover{text-decoration:underline}
.copy{font-size:13px;color:#8fa3b8;border-top:1px solid #213b5c;padding-block:14px;margin:0}

/* responsive */
@media (max-width:1020px){
  .banner.has-img .banner-grid,.home-grid,.hub-grid,.art-grid{grid-template-columns:1fr}
  .art-side,.hub-side{position:static}
  .tiles{grid-template-columns:1fr 1fr}
  .top-nav{display:none}
  .search{margin-inline-start:auto}
}
@media (max-width:700px){
  .wrap{padding:0 16px}
  .row{grid-template-columns:1fr;gap:12px;padding:16px}
  .row-side{flex-direction:row;justify-content:space-between}
  .row-side .btn{width:auto}
  .pillars,.foot-grid{grid-template-columns:1fr}
  .toc ol{columns:1}
  .search{width:150px}
  .logo i{display:none}
  .prose{font-size:17px}
  .banner h1{font-size:27px}
}