:root{
  --bg:#f7f5f0;
  --surface:#ffffff;
  --surface-soft:#fbfaf7;
  --text:#24231f;
  --muted:#6f6c64;
  --gold:#a77b2e;
  --gold-dark:#795719;
  --gold-soft:#f5ead4;
  --line:#e5e0d6;
  --ok:#287a52;
  --danger:#a53640;
  --max:1180px;
  --shadow:0 14px 40px rgba(45,39,27,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,"Noto Sans Thai",system-ui,sans-serif;background:linear-gradient(180deg,#fff 0,var(--bg) 520px);color:var(--text);line-height:1.65}
a{color:inherit;text-decoration:none}
.container{width:min(var(--max),calc(100% - 32px));margin:auto}
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(15px);border-bottom:1px solid var(--line);box-shadow:0 5px 24px rgba(36,35,31,.035)}
.nav-inner{height:72px;display:flex;align-items:center;justify-content:space-between}
.brand{font-weight:800;letter-spacing:.08em;color:#24231f}.brand span{color:var(--gold)}
.menu{display:flex;gap:26px;align-items:center;color:#5f5b53}.menu a:hover{color:var(--gold-dark)}
.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:12px;padding:12px 20px;border:1px solid var(--line);font-weight:700;cursor:pointer;background:#fff;color:var(--text);transition:.2s ease}
.btn:hover{transform:translateY(-1px);box-shadow:0 7px 20px rgba(45,39,27,.08)}
.btn-primary{background:linear-gradient(135deg,#b98a35,#d2ae66);color:#fff;border:none}
.btn-dark{background:#2d2a24;color:#fff;border-color:#2d2a24}
.hero{padding:100px 0 70px}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:52px;align-items:center}
.eyebrow{color:var(--gold-dark);font-weight:800;letter-spacing:.14em;text-transform:uppercase;font-size:.78rem}
.hero h1{font-size:clamp(2.65rem,6vw,5.8rem);line-height:1.02;margin:.4rem 0 1.2rem;color:#201f1b}
.lead{font-size:1.15rem;color:var(--muted);max-width:660px}
.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.orb{aspect-ratio:1;border-radius:50%;background:radial-gradient(circle at 35% 30%,#fff8e8 0,#e4c47f 18%,#b98a35 38%,#f2eadc 68%,#fff 76%);box-shadow:0 24px 70px rgba(167,123,46,.17),inset -28px -28px 60px rgba(105,76,28,.14);position:relative}
.orb:after{content:"";position:absolute;inset:9%;border:1px solid rgba(121,87,25,.24);border-radius:50%;box-shadow:0 0 0 28px rgba(167,123,46,.055),0 0 0 56px rgba(167,123,46,.025)}
.section{padding:78px 0}.section-head{display:flex;justify-content:space-between;gap:20px;align-items:end;margin-bottom:26px}.section h2{font-size:clamp(1.9rem,4vw,3rem);margin:0;color:#26241f}.muted{color:var(--muted)}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:24px;box-shadow:var(--shadow)}
.card h3{margin:.2rem 0 .65rem}.kicker{font-size:.78rem;color:var(--gold-dark);font-weight:800}.icon{width:46px;height:46px;border-radius:14px;background:var(--gold-soft);display:grid;place-items:center;color:var(--gold-dark);font-size:1.35rem;margin-bottom:18px}
.progress{height:8px;background:#eeeae2;border-radius:99px;overflow:hidden}.progress span{display:block;height:100%;background:linear-gradient(90deg,#a77b2e,#d2ae66);border-radius:99px}
.course-row{display:flex;justify-content:space-between;gap:20px;align-items:center;padding:18px 0;border-top:1px solid var(--line)}.price{font-size:3.4rem;font-weight:800;color:#2c2923}.check{color:var(--ok)}
.footer{border-top:1px solid var(--line);padding:36px 0;color:var(--muted);background:#fff}
.page-hero{padding:64px 0 34px}.sidebar-layout{display:grid;grid-template-columns:280px 1fr;gap:22px}.sidebar{position:sticky;top:94px;height:max-content}.list a{display:block;padding:12px 14px;border-radius:10px;color:var(--muted)}.list a.active,.list a:hover{background:var(--gold-soft);color:var(--gold-dark)}
.video{aspect-ratio:16/9;border-radius:18px;background:linear-gradient(135deg,#f7f3eb,#e9e1d3);display:grid;place-items:center;border:1px solid var(--line);font-size:3rem;color:var(--gold-dark)}
.form{display:grid;gap:14px}.input{width:100%;padding:13px 14px;border-radius:12px;border:1px solid #d9d3c8;background:#fff;color:var(--text);outline:none}.input:focus{border-color:#b98a35;box-shadow:0 0 0 3px rgba(185,138,53,.12)}
.notice{padding:14px 16px;border:1px solid #dcc28f;background:#fff8e9;border-radius:12px;color:#694d1c}.mobile-toggle{display:none}.badge{display:inline-block;padding:5px 10px;border-radius:99px;background:#e5f4eb;color:#287a52;font-size:.78rem}
.auth-card{max-width:520px;margin:auto}.error{padding:14px 16px;border:1px solid #e4b5ba;background:#fff2f3;border-radius:12px;color:var(--danger)}.text-link{color:var(--gold-dark);text-decoration:underline}.account-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.account-grid>div{padding:16px;border:1px solid var(--line);border-radius:14px;background:var(--surface-soft)}
table{width:100%;border-collapse:collapse;background:#fff}th,td{border-bottom:1px solid var(--line);padding:12px;text-align:left}th{background:#faf8f3;color:#4b473f}
@media(max-width:850px){.hero-grid,.grid-3,.grid-2,.sidebar-layout{grid-template-columns:1fr}.orb{max-width:420px;margin:auto}.menu{display:none}.mobile-toggle{display:block}.hero{padding-top:70px}.sidebar{position:static}.section{padding:56px 0}.hero h1{font-size:3.2rem}}
@media(max-width:650px){.account-grid{grid-template-columns:1fr}}