:root {
	--ink: #0b1736;
	--ink-2: #334155;
	--muted: #64748b;
	--line: #e5eaf2;
	--bg: #ffffff;
	--soft: #f5f8fc;
	--brand: #2563eb;
	--brand-2: #1d4ed8;
	--brand-soft: #eaf1ff;
	--sky: #5481ca;
	--mint: #10b981;
	--radius: 16px;
	--shadow: 0 1px 2px rgba(11,23,54,.04), 0 12px 32px rgba(11,23,54,.08);
	--container: 1200px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
	margin: 0;
	font-family: "IBM Plex Sans Thai", system-ui, -apple-system, "Segoe UI", sans-serif;
	font-size: 16px;
	line-height: 1.7;
	color: var(--ink-2);
	background: var(--bg);
	-webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4 { color: var(--ink); font-weight: 600; line-height: 1.3; margin: 0; letter-spacing: -.005em; }
p { margin: 0; }
a { color: var(--brand); text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
ul { margin: 0; padding: 0; list-style: none; }
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.section { padding: 104px 0; }
.section-soft { background: var(--soft); }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 500; color: var(--brand); background: var(--brand-soft); padding: 5px 14px; border-radius: 999px; }
.section-head { max-width: 720px; margin: 0 auto 56px; text-align: center; }
.section-head h2 { font-size: 40px; margin: 16px 0 14px; }
.section-head p { font-size: 18px; color: var(--muted); }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; height: 50px; padding: 0 26px; border-radius: 12px; font-family: inherit; font-size: 16px; font-weight: 500; border: 1px solid transparent; cursor: pointer; transition: background .2s, border-color .2s, color .2s, transform .2s, box-shadow .2s; white-space: nowrap; }
.btn-primary { background: var(--brand); color: #fff; box-shadow: 0 8px 20px rgba(37,99,235,.28); }
.btn-primary:hover { background: var(--brand-2); transform: translateY(-1px); }
.btn-ghost { background: #fff; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--brand); color: var(--brand); }
.btn-sm { height: 42px; padding: 0 18px; font-size: 15px; border-radius: 10px; }

/* header */
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.86); backdrop-filter: saturate(180%) blur(14px); -webkit-backdrop-filter: saturate(180%) blur(14px); border-bottom: 1px solid transparent; transition: border-color .2s, box-shadow .2s; }
.site-header.scrolled { border-bottom-color: var(--line); box-shadow: 0 4px 20px rgba(11,23,54,.05); }
.nav { display: flex; align-items: center; height: 76px; gap: 32px; }
.nav-logo { flex: 0 0 auto; }
.nav-logo img { width: 190px; }
.nav-links { display: flex; gap: 28px; margin-right: auto; }
.nav-links a { color: var(--ink-2); font-size: 15px; font-weight: 500; white-space: nowrap; }
.nav-links a:hover, .nav-links a[aria-current] { color: var(--brand); }
.nav-drop { position: relative; }
.nav-drop-btn { white-space: nowrap; display: inline-flex; align-items: center; gap: 6px; padding: 0; border: 0; background: none; color: var(--ink-2); font-family: inherit; font-size: 15px; font-weight: 500; line-height: inherit; cursor: pointer; }
.nav-drop-btn i { font-size: 10px; opacity: .6; transition: transform .2s; }
.nav-drop:hover .nav-drop-btn, .nav-drop.open .nav-drop-btn { color: var(--brand); }
.nav-drop:hover .nav-drop-btn i, .nav-drop.open .nav-drop-btn i { transform: rotate(180deg); }
.nav-drop-panel { position: absolute; left: -24px; top: 100%; display: grid; grid-template-columns: 300px 250px; gap: 8px 28px; padding: 24px; margin-top: 22px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: 0 24px 48px rgba(11,23,54,.14); opacity: 0; visibility: hidden; transform: translateY(6px); transition: opacity .15s, transform .15s, visibility .15s; }
.nav-drop-panel::before { content: ""; position: absolute; left: 0; right: 0; top: -24px; height: 24px; }
.nav-drop:hover .nav-drop-panel, .nav-drop.open .nav-drop-panel { opacity: 1; visibility: visible; transform: none; }
.nav-drop-panel h4 { font-size: 12px; font-weight: 600; letter-spacing: .06em; color: var(--muted); margin: 0 0 8px 10px; }
.nav-drop-panel .nav-drop-item { display: flex; align-items: flex-start; gap: 12px; padding: 9px 10px; border-radius: 10px; color: var(--ink); }
.nav-drop-panel .nav-drop-item:hover { background: var(--soft); }
.nav-drop-panel .nav-drop-item > i { flex: 0 0 36px; width: 36px; height: 36px; border-radius: 10px; display: grid; place-items: center; background: var(--brand-soft); color: var(--brand); font-size: 15px; }
.nav-drop-panel .nav-drop-item b { display: block; font-size: 14.5px; font-weight: 500; line-height: 1.4; }
.nav-drop-panel .nav-drop-item small { display: block; font-size: 12.5px; color: var(--muted); line-height: 1.45; }
.nav-drop-panel .nav-drop-link { display: flex; align-items: center; gap: 10px; padding: 8px 10px; border-radius: 8px; color: var(--ink); font-size: 14.5px; }
.nav-drop-panel .nav-drop-link:hover { background: var(--soft); color: var(--brand); }
.nav-drop-panel .nav-drop-link i, .nav-drop-panel .nav-drop-link svg { width: 18px; text-align: center; color: var(--brand); }
.nav-drop-panel .nav-drop-all { display: inline-flex; align-items: center; gap: 8px; margin: 12px 0 0 10px; font-size: 14px; font-weight: 500; }
.nav-drop-panel .nav-drop-all i { font-size: 12px; }
.mobile-drop { border-bottom: 1px solid var(--line); }
.mobile-drop summary { list-style: none; display: flex; justify-content: space-between; align-items: center; padding: 12px 0; color: var(--ink); font-weight: 500; cursor: pointer; }
.mobile-drop summary::-webkit-details-marker { display: none; }
.mobile-drop summary::after { content: "+"; color: var(--brand); font-size: 20px; line-height: 1; }
.mobile-drop[open] summary::after { content: "\2212"; }
.mobile-menu .mobile-drop a { padding: 10px 0 10px 12px; font-size: 15px; font-weight: 400; color: var(--ink-2); border-bottom: 0; }
.mobile-menu .mobile-drop a i, .mobile-menu .mobile-drop a svg { width: 20px; color: var(--brand); text-align: center; margin-right: 6px; vertical-align: -2px; }
.mobile-drop a:last-child { padding-bottom: 14px; }
.nav-actions { display: flex; align-items: center; gap: 12px; }
.nav-login { color: var(--ink); font-weight: 500; font-size: 15px; padding: 0 8px; white-space: nowrap; }
.nav-toggle { display: none; width: 44px; height: 44px; border: 1px solid var(--line); border-radius: 10px; background: #fff; color: var(--ink); font-size: 18px; cursor: pointer; }
.mobile-menu { display: none; border-top: 1px solid var(--line); background: #fff; padding: 12px 24px 24px; }
.mobile-menu a { display: block; padding: 12px 0; color: var(--ink); font-weight: 500; border-bottom: 1px solid var(--line); }
.mobile-menu .btn { width: 100%; margin-top: 16px; }
.site-header.open .mobile-menu { display: block; }

/* cta */
.cta { position: relative; overflow: hidden; border-radius: 24px; padding: 72px 48px; text-align: center; background: linear-gradient(135deg, #0b1736 0%, #1e3a8a 60%, #2563eb 100%); }
.cta::after { content: ""; position: absolute; width: 500px; height: 500px; left: -150px; bottom: -300px; background: radial-gradient(circle, rgba(16,185,129,.35), transparent 65%); }
.cta > * { position: relative; z-index: 1; }
.cta h2 { color: #fff; font-size: 38px; margin-bottom: 14px; }
.cta p { color: #cbd5e1; font-size: 18px; margin-bottom: 32px; }
.cta .btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.35); }
.cta .btn-ghost:hover { border-color: #fff; color: #fff; }
.cta .btn-primary { background: #fff; color: var(--ink); box-shadow: none; }
.cta .btn-primary:hover { background: #e2e8f0; }
.cta-row { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }

/* footer */
.footer { background: #0b1736; color: #94a3b8; padding: 72px 0 32px; font-size: 15px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 48px; }
.footer img { width: 150px; margin-bottom: 18px; }
.footer h4 { color: #fff; font-size: 15px; margin-bottom: 16px; }
.footer li { margin-bottom: 10px; }
.footer a { color: #94a3b8; }
.footer a:hover { color: #fff; }
.footer-social { display: flex; gap: 10px; margin-top: 20px; }
.footer-social a { width: 38px; height: 38px; border-radius: 10px; display: grid; place-items: center; background: rgba(255,255,255,.06); }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; margin-top: 56px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.08); font-size: 13.5px; }

/* chips */
.chips { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }
.chip { display: inline-flex; align-items: center; gap: 10px; height: 44px; padding: 0 18px; font-size: 15px; border-radius: 12px; border: 1px solid var(--line); background: #fff; color: var(--ink); font-weight: 500; }
.chip i, .chip svg { color: var(--brand); }

/* page hero */
.page-hero { position: relative; overflow: hidden; padding: 72px 0 64px; text-align: center; background:
	radial-gradient(900px 420px at 85% 0%, rgba(37,99,235,.12), transparent 60%),
	radial-gradient(700px 380px at 0% 90%, rgba(16,185,129,.08), transparent 60%); }
.page-hero::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px); background-size: 48px 48px; opacity: .45; -webkit-mask-image: radial-gradient(ellipse at 50% 30%, #000 20%, transparent 70%); mask-image: radial-gradient(ellipse at 50% 30%, #000 20%, transparent 70%); pointer-events: none; }
.page-hero .container { position: relative; }
.page-hero h1 { font-size: 46px; margin: 18px 0 16px; letter-spacing: -.01em; }
.page-hero p { font-size: 19px; color: var(--muted); max-width: 640px; margin: 0 auto 32px; }
.page-hero .hero-cta { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }

/* qr */
.qr { border: 0; border-radius: 20px; padding: 32px; max-width: 360px; width: calc(100% - 32px); text-align: center; box-shadow: 0 30px 80px rgba(11,23,54,.25); }
.qr::backdrop { background: rgba(11,23,54,.55); }
.qr img { width: 240px; margin: 0 auto 16px; }
.qr h3 { font-size: 18px; margin-bottom: 20px; }
.qr .btn { width: 100%; }

@media (max-width: 1080px) {
	.nav-links { display: none; }
	.nav-toggle { display: inline-grid; place-items: center; }
	.nav-login { display: none; }
	.footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px) {
	.section { padding: 72px 0; }
	.container { padding: 0 20px; }
	.nav { height: 66px; gap: 12px; }
	.nav-logo img { width: 150px; }
	.nav-actions .btn { height: 40px; padding: 0 14px; font-size: 14px; }
	.section-head { margin-bottom: 40px; }
	.section-head p { font-size: 16px; }
	.cta { padding: 52px 24px; }
	.cta h2 { font-size: 28px; }
	.footer-grid { grid-template-columns: 1fr; gap: 32px; }
	.section-head h2 { font-size: 29px; }
	.page-hero { padding: 40px 0 48px; }
	.page-hero h1 { font-size: 32px; }
	.page-hero p { font-size: 17px; }
	.page-hero .hero-cta .btn { flex: 1 1 100%; }
}
@media (prefers-reduced-motion: reduce) {
	*, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}