:root {
  color-scheme: dark;
  --ink: #f8f3e9;
  --muted: #b8b0a4;
  --paper: #141210;
  --panel: rgba(33, 29, 25, 0.86);
  --line: rgba(248, 243, 233, 0.14);
  --accent: #ff5a36;
  --accent-soft: #ffb36b;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.36);
  --radius: 26px;
  font-family: "Avenir Next", "Noto Sans Thai", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.7;
  background-image: radial-gradient(circle at 80% 0%, rgba(255, 90, 54, .18), transparent 32rem), linear-gradient(135deg, #171310, #0c0b0a 72%);
}
a { color: inherit; }
.shell { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }
.nav { display: flex; align-items: center; justify-content: space-between; padding: 24px 0; }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; font-weight: 700; letter-spacing: .04em; }
.brand img { width: 42px; height: 42px; border-radius: 13px; box-shadow: 0 0 0 1px var(--line); }
.nav-links { display: flex; gap: 22px; color: var(--muted); font-size: .92rem; }
.nav-links a { text-decoration: none; }
.nav-links a:hover, .nav-links a:focus-visible { color: var(--ink); }
.hero { display: grid; grid-template-columns: 1.12fr .88fr; gap: 56px; align-items: center; min-height: 650px; padding: 74px 0 100px; }
.eyebrow { color: var(--accent-soft); text-transform: uppercase; letter-spacing: .18em; font-size: .76rem; font-weight: 700; }
h1, h2, h3 { line-height: 1.1; letter-spacing: -.04em; }
h1 { max-width: 720px; margin: 18px 0 22px; font-size: clamp(3.6rem, 8vw, 7.2rem); }
h2 { font-size: clamp(2rem, 4vw, 3.4rem); margin: 0 0 18px; }
h3 { margin: 0 0 8px; font-size: 1.2rem; }
.lede { max-width: 590px; color: var(--muted); font-size: 1.14rem; }
.actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 32px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 20px; border-radius: 999px; text-decoration: none; font-weight: 700; border: 1px solid var(--line); }
.button.primary { color: #1b100c; background: var(--accent); border-color: var(--accent); }
.button.secondary { color: var(--ink); background: rgba(255,255,255,.04); }
.button:hover, .button:focus-visible { transform: translateY(-2px); filter: brightness(1.08); }
.orb { position: relative; min-height: 430px; display: grid; place-items: center; }
.orb::before, .orb::after { content: ""; position: absolute; border-radius: 50%; border: 1px solid rgba(255,179,107,.3); }
.orb::before { inset: 4% 5% 12%; transform: rotate(24deg); }
.orb::after { inset: 14% 16% 0; transform: rotate(-28deg); }
.orb-card { position: relative; z-index: 1; width: min(330px, 80%); padding: 32px; border: 1px solid var(--line); border-radius: 38px; background: linear-gradient(145deg, rgba(255,90,54,.22), rgba(255,255,255,.04)); box-shadow: var(--shadow); backdrop-filter: blur(16px); }
.orb-card img { width: 84px; height: 84px; border-radius: 24px; margin-bottom: 42px; }
.orb-card strong { display: block; font-size: 1.35rem; }
.orb-card span { color: var(--muted); font-size: .9rem; }
.section { padding: 88px 0; border-top: 1px solid var(--line); }
.section-intro { max-width: 680px; margin-bottom: 30px; }
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.card { min-height: 210px; padding: 26px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); box-shadow: 0 12px 42px rgba(0,0,0,.16); }
.card p, .legal p, .legal li { color: var(--muted); }
.legal { max-width: 800px; padding: 66px 0 100px; }
.legal h1 { font-size: clamp(3rem, 7vw, 5.8rem); }
.legal h2 { margin-top: 46px; font-size: 1.75rem; }
.legal ul { padding-left: 22px; }
.callout { padding: 22px 24px; border: 1px solid rgba(255,90,54,.28); border-top: 2px solid var(--accent); border-radius: var(--radius); background: rgba(255,90,54,.08); }
footer { padding: 30px 0 46px; border-top: 1px solid var(--line); color: var(--muted); font-size: .9rem; }
.footer-links { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 10px; }
@media (max-width: 780px) {
  .shell { width: min(100% - 28px, 620px); }
  .nav-links { gap: 12px; font-size: .8rem; }
  .hero { grid-template-columns: 1fr; padding-top: 48px; }
  .orb { min-height: 300px; }
  .grid { grid-template-columns: 1fr; }
  h1 { font-size: clamp(3.2rem, 18vw, 5.5rem); }
}
@media (prefers-reduced-motion: no-preference) {
  .hero > * { animation: rise .8s both; }
  .hero > :nth-child(2) { animation-delay: .12s; }
  .button { transition: transform .2s ease, filter .2s ease; }
  @keyframes rise { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }
}