@font-face{font-family:"Plex Thai";src:url("/assets/fonts/IBMPlexSansThai-Regular.ttf") format("truetype");font-weight:400;font-display:swap}
@font-face{font-family:"Plex Thai";src:url("/assets/fonts/IBMPlexSansThai-SemiBold.ttf") format("truetype");font-weight:600 700;font-display:swap}
@font-face{font-family:Amiri;src:url("/assets/fonts/Amiri-Regular.ttf") format("truetype");font-weight:400;font-display:swap}

:root{
  --night:#16295a;--night-2:#22387a;--ink:#1d2747;--muted:#5b6482;
  --cream:#fff8e8;--paper:#fffdf7;--gold:#f2bb4b;--gold-deep:#b9821d;--mint:#2f8f63;--mint-soft:#e3f3ea;
  --line:#ece4cf;--radius:22px;
  --sans:"Plex Thai",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --arabic:Amiri,"Noto Naskh Arabic","Geeza Pro","Traditional Arabic",serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:17px;line-height:1.65;
  background-image:radial-gradient(circle at 12px 12px,#f3e8cc 1.2px,transparent 1.6px);background-size:28px 28px}
.lang-th{line-height:1.8}
a{color:var(--night-2)}
h1,h2,h3{line-height:1.25;margin:0 0 .5em;font-weight:700;letter-spacing:-.01em}
p{margin:0 0 1em}
img,video,svg{max-width:100%}
[lang=ar]{font-family:var(--arabic)}
.skip{position:absolute;left:-999px;top:8px;background:#fff;padding:8px 14px;border-radius:10px;z-index:10}
.skip:focus{left:12px}
:focus-visible{outline:3px solid var(--gold);outline-offset:3px;border-radius:6px}
.star{width:1em;height:1em;fill:var(--gold);vertical-align:-.12em;flex-shrink:0}

.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px max(16px,calc((100% - 1120px)/2));
  background:var(--night);color:#fff;position:sticky;top:0;z-index:5;box-shadow:0 2px 18px #0b153033}
.brand{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none;font-size:22px;white-space:nowrap}
.brand-mark .star{width:28px;height:28px}
.brand b{color:var(--gold);font-weight:700}
.brand-ar{font-size:22px;color:#ffe4a3;opacity:.9}
nav{display:flex;align-items:center;gap:6px;flex-wrap:wrap;justify-content:flex-end}
nav a{color:#e9edff;text-decoration:none;padding:8px 12px;border-radius:999px;font-size:15px}
nav a:hover{background:#ffffff1a}
nav .lang-switch{border:1.5px solid #ffffff55}

main{max-width:1120px;margin:0 auto;padding:0 16px 56px}
.button{display:inline-flex;align-items:center;gap:8px;background:var(--gold);color:var(--ink);font-weight:700;text-decoration:none;
  padding:12px 22px;border-radius:999px;border:0;font-size:16px;box-shadow:0 3px 0 var(--gold-deep);transition:transform .15s}
.button:hover{transform:translateY(-2px)}
.button.small{padding:9px 16px;font-size:14px}
.button.ghost{background:transparent;border:2px solid var(--night-2);box-shadow:none;color:var(--night-2)}

.hero{display:grid;grid-template-columns:1.05fr 1fr;gap:40px;align-items:center;padding:48px 0 24px}
.hero h1{font-size:clamp(32px,5vw,52px);color:var(--night)}
.eyebrow{display:inline-block;background:var(--mint-soft);color:var(--mint);font-weight:700;font-size:14px;padding:4px 12px;border-radius:999px;margin-bottom:14px}
.lead{font-size:19px;color:var(--muted)}
.hero-art{width:100%;height:auto;border-radius:var(--radius);box-shadow:0 18px 40px #16295a33}
.twinkle path{animation:twinkle 3.2s ease-in-out infinite;transform-origin:center;transform-box:fill-box}
.twinkle path:nth-child(2){animation-delay:1s}.twinkle path:nth-child(3){animation-delay:2s}
@keyframes twinkle{50%{opacity:.35;transform:scale(.8)}}

.section{padding:36px 0 8px}
.section>h2{font-size:30px;color:var(--night)}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:24px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:transform .18s,box-shadow .18s}
.card:hover{transform:translateY(-4px);box-shadow:0 14px 30px #16295a1f}
.card-link{display:block;color:inherit;text-decoration:none;height:100%}
.card-art{position:relative;aspect-ratio:16/9;background:var(--night)}
.card-art img{display:block;width:100%;height:100%;object-fit:cover}
.play{position:absolute;left:16px;bottom:16px;width:52px;height:52px;border-radius:50%;background:var(--gold);display:grid;place-items:center;box-shadow:0 3px 0 var(--gold-deep)}
.play svg{width:26px;height:26px;fill:var(--ink)}
.duration{position:absolute;right:14px;bottom:16px;background:#0b1530cc;color:#fff;font-size:13px;padding:3px 9px;border-radius:999px}
.card-body{padding:18px 20px 20px}
.card-ar{font-size:24px;color:var(--gold-deep);margin:0 0 4px;text-align:right}
.card-body h3{font-size:21px;color:var(--night)}
.card-body p{color:var(--muted);font-size:15.5px}
.badges{display:flex;gap:6px;flex-wrap:wrap;margin:0}
.badge{display:inline-block;font-size:13px;font-weight:600;padding:3px 10px;border-radius:999px;background:#eef1fb;color:var(--night-2)}
.badge.age{background:var(--mint-soft);color:var(--mint)}
.soon{display:flex;align-items:center;gap:8px;color:var(--muted);margin-top:22px}

.value-list{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:18px}
.value-list li{background:var(--cream);border:1px solid var(--line);border-radius:18px;padding:18px 20px}
.value-list h3{display:flex;gap:8px;align-items:center;font-size:18px;color:var(--night)}
.value-list p{margin:0;color:var(--muted);font-size:15.5px}

.crumbs{font-size:14px;color:var(--muted);padding-top:24px;margin:0}
.crumbs a{color:var(--muted)}
.lesson-head{padding:12px 0 18px}
.lesson-ar{font-size:34px;color:var(--gold-deep);margin:0}
.lesson-head h1{font-size:clamp(28px,4.4vw,44px);color:var(--night)}
.meta{display:flex;gap:14px;align-items:center;flex-wrap:wrap;color:var(--muted);font-size:15px;margin:0}
.player{border-radius:var(--radius);overflow:hidden;background:#0b1530;box-shadow:0 18px 40px #16295a33}
.player video{display:block;width:100%;aspect-ratio:16/9;background:#0b1530}
.summary{font-size:19px;color:var(--muted);margin:22px 0}
.lesson-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px 24px;margin-bottom:22px}
.panel h2{display:flex;align-items:center;gap:8px;font-size:21px;color:var(--night)}
.panel h3{font-size:17px;margin-top:18px}
.chapters{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:1fr 1fr;gap:6px}
.chapter{display:flex;gap:10px;align-items:center;width:100%;text-align:start;background:var(--paper);border:1px solid var(--line);
  border-radius:12px;padding:8px 12px;font:inherit;font-size:15px;color:var(--ink);cursor:pointer}
.chapter:hover,.chapter.active{background:#fff3cf;border-color:var(--gold)}
.chapter time{color:var(--gold-deep);font-variant-numeric:tabular-nums;font-weight:600}
.learn{padding-left:1.2em;margin:0 0 16px}
.learn li{margin-bottom:6px}
.links{display:flex;flex-wrap:wrap;gap:12px;align-items:center;font-size:15px;margin:0}
.parents p{color:var(--muted)}
.note{background:var(--cream);border-left:4px solid var(--gold);padding:12px 16px;border-radius:10px;font-size:15.5px}
.sources{color:var(--muted);font-size:15px;padding-left:1.2em;margin:0}
.about{max-width:820px;padding-top:36px}
.about h1{font-size:clamp(30px,4.6vw,44px);color:var(--night)}
.about h2{margin-top:30px;color:var(--night)}
.about .panel{margin-top:26px}
.notfound{text-align:center;padding:90px 0}
.notfound h1 .star{width:64px;height:64px}

.footer{background:var(--night);color:#cfd6f3;padding:26px max(16px,calc((100% - 1120px)/2));display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:15px}
.footer p{margin:0;display:flex;gap:8px;align-items:center}
.footer a{color:#fff}

@media (max-width:820px){
  .hero{grid-template-columns:1fr;gap:24px;padding-top:28px}
  .lesson-grid{grid-template-columns:1fr}
}
@media (max-width:560px){
  body{font-size:16px}
  .topbar{flex-direction:column;align-items:flex-start;gap:6px;position:static}
  .brand{font-size:20px}
  nav{justify-content:flex-start}
  nav a{padding:6px 10px;font-size:14px}
  .cards{grid-template-columns:1fr}
  .chapters{grid-template-columns:1fr}
  .panel{padding:18px}
  .lesson-ar{font-size:28px}
}
.nw{white-space:nowrap}