:root {
  --bg: #ffffff;
  --bg-soft: #f7f5f0;
  --card: #ffffff;
  --ink: #0e1726;
  --ink-2: #3b4658;
  --muted: #6b7486;
  --line: #e8e4db;
  --gold: #f2a93b;
  --gold-2: #d9861a;
  --gold-soft: #fff4e2;
  --navy: #0d1830;
  --navy-2: #13213a;
  --navy-3: #1c2c4a;
  --on-navy: #e8edf6;
  --on-navy-2: #a9b4c8;
  --radius: 16px;
  --shadow-sm: 0 1px 2px rgba(14, 23, 38, .06);
  --shadow: 0 1px 2px rgba(14, 23, 38, .05), 0 18px 40px -20px rgba(14, 23, 38, .25);
  --font: "Plus Jakarta Sans", "Noto Sans Thai", system-ui, -apple-system, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
/* height:auto keeps the width/height attributes from stretching images */
img { max-width: 100%; height: auto; display: block; }
a { color: var(--gold-2); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Language switch: every bilingual string is written twice. */
html[data-lang="en"] [lang="th"],
html[data-lang="th"] [lang="en"]:not(html) { display: none !important; }

.wrap { max-width: 1160px; margin: 0 auto; padding: 0 24px; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 20;
  background: rgba(255, 255, 255, .9);
  backdrop-filter: saturate(1.6) blur(12px);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 20px; }
.brand { display: flex; align-items: center; gap: 11px; color: var(--ink); }
.brand:hover { text-decoration: none; }
.brand-name { font-weight: 700; font-size: 17px; letter-spacing: -.01em; line-height: 1.15; }
.brand-name small { display: block; font-size: 10.5px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); margin-top: 3px; }
.nav { display: flex; align-items: center; gap: 30px; font-size: 14.5px; }
.nav > a { color: var(--ink-2); font-weight: 500; }
.nav > a:hover { color: var(--ink); text-decoration: none; }
.nav-end { display: flex; align-items: center; gap: 12px; }
.lang-switch { display: inline-flex; border: 1px solid var(--line); border-radius: 999px; padding: 3px; background: var(--card); }
.lang-switch button {
  border: 0; background: transparent; font: inherit; font-size: 12.5px; font-weight: 600; color: var(--muted);
  padding: 4px 11px; border-radius: 999px; cursor: pointer;
}
html[data-lang="en"] .lang-switch [data-set="en"],
html[data-lang="th"] .lang-switch [data-set="th"] { background: var(--navy); color: #fff; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; height: 50px; padding: 0 24px; border-radius: 12px;
  font-weight: 600; font-size: 15px; border: 1px solid transparent; transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
  white-space: nowrap;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-sm { height: 40px; padding: 0 16px; font-size: 14px; border-radius: 10px; }
.btn-primary { background: linear-gradient(180deg, #f7b95a, var(--gold-2)); color: #1c1205; box-shadow: inset 0 1px 0 rgba(255,255,255,.45), 0 10px 24px -10px rgba(217, 134, 26, .8); }
.btn-dark { background: var(--navy); color: #fff; }
.btn-outline-light { color: #fff; border-color: rgba(255,255,255,.22); background: rgba(255,255,255,.04); }
.btn-outline-light:hover { background: rgba(255,255,255,.09); }

/* ---------- Hero (dark) ---------- */
.hero {
  position: relative; overflow: hidden; color: var(--on-navy);
  background:
    radial-gradient(900px 520px at 78% 38%, rgba(242, 169, 59, .20), transparent 60%),
    radial-gradient(700px 400px at 0% 100%, rgba(60, 96, 170, .25), transparent 60%),
    linear-gradient(180deg, var(--navy), #0a1426);
}
.hero::before {
  /* faint blueprint grid */
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(ellipse at 60% 40%, #000 30%, transparent 75%);
          mask-image: radial-gradient(ellipse at 60% 40%, #000 30%, transparent 75%);
}
.hero .wrap { position: relative; display: grid; grid-template-columns: 1.02fr 1fr; align-items: center; gap: 48px; padding-top: 88px; padding-bottom: 96px; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 600; color: #ffd28a;
  background: rgba(242, 169, 59, .1); border: 1px solid rgba(242, 169, 59, .3); padding: 6px 14px; border-radius: 999px;
}
.eyebrow::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--gold); box-shadow: 0 0 10px var(--gold); }
.hero h1 { color: #fff; font-size: clamp(36px, 5vw, 58px); line-height: 1.08; letter-spacing: -.03em; margin: 22px 0 20px; font-weight: 700; }
html[data-lang="th"] .hero h1 { line-height: 1.25; letter-spacing: -.01em; }
.hero h1 em { font-style: normal; background: linear-gradient(90deg, #ffd27a, var(--gold)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p.lead { font-size: 18px; color: var(--on-navy-2); max-width: 540px; margin: 0 0 34px; }
.hero .actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-art { position: relative; display: flex; justify-content: center; }
.hero-art::before {
  content: ""; position: absolute; left: 50%; top: 55%; width: 78%; aspect-ratio: 1; transform: translate(-50%, -50%);
  background: radial-gradient(closest-side, rgba(242, 169, 59, .35), transparent); filter: blur(10px);
}
.hero-art img { position: relative; width: 100%; max-width: 560px; filter: drop-shadow(0 40px 50px rgba(0, 0, 0, .45)); }

/* ---------- Sections ---------- */
section { padding: 96px 0; }
.section-soft { background: var(--bg-soft); }
.kicker { display: inline-block; font-size: 12.5px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--gold-2); margin: 0 0 12px; }
h2 { font-size: clamp(28px, 3.4vw, 40px); line-height: 1.18; letter-spacing: -.025em; margin: 0 0 16px; font-weight: 700; }
html[data-lang="th"] h2 { line-height: 1.35; letter-spacing: -.01em; }
.section-head { max-width: 700px; margin-bottom: 48px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head p { color: var(--ink-2); margin: 0; font-size: 17px; }

/* About */
.about { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.about p { color: var(--ink-2); margin: 0 0 16px; font-size: 16.5px; }
.checks { list-style: none; padding: 0; margin: 24px 0 0; display: grid; gap: 12px; }
.checks li { display: flex; gap: 12px; align-items: flex-start; color: var(--ink); font-weight: 500; }
.checks li::before {
  content: ""; flex: none; width: 22px; height: 22px; margin-top: 2px; border-radius: 50%;
  background: var(--gold-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23d9861a' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center / 13px no-repeat;
}
.about-visual {
  position: relative; border-radius: 22px; padding: 28px; overflow: hidden;
  background: radial-gradient(500px 300px at 70% 30%, rgba(242,169,59,.25), transparent 65%), linear-gradient(160deg, var(--navy-2), var(--navy));
  box-shadow: var(--shadow);
}
.about-visual img { width: 100%; max-width: 420px; margin: 0 auto; filter: drop-shadow(0 26px 32px rgba(0,0,0,.4)); }
.about-facts { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0; margin: 18px 0 0; border: 1px solid var(--line); border-radius: 16px; background: var(--card); overflow: hidden; }
.about-facts > div { padding: 14px 18px; border-top: 1px solid var(--line); }
.about-facts > div:nth-child(-n+2) { border-top: 0; }
.about-facts > div:nth-child(2n) { border-left: 1px solid var(--line); }
.about-facts dt { font-size: 13px; color: var(--muted); }
.about-facts dd { margin: 2px 0 0; font-weight: 600; font-size: 15.5px; }
.about-visual .tag {
  position: absolute; left: 20px; bottom: 20px; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.14);
  color: #fff; font-size: 13px; font-weight: 600; padding: 8px 14px; border-radius: 999px; backdrop-filter: blur(6px);
}

/* Services: 2 x 2 horizontal cards */
.services { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.service {
  display: grid; grid-template-columns: 190px 1fr; gap: 24px; align-items: center;
  background: var(--card); border: 1px solid var(--line); border-radius: 20px; padding: 18px 26px 18px 18px;
  box-shadow: var(--shadow-sm); transition: box-shadow .2s ease, transform .2s ease, border-color .2s ease;
}
.service:hover { box-shadow: var(--shadow); transform: translateY(-2px); border-color: #ddd5c6; }
.service .art {
  height: 170px; border-radius: 14px; display: grid; place-items: center; padding: 14px;
  background: radial-gradient(circle at 50% 55%, #fff7ea, #f6efe2 70%);
}
.service .art img { max-height: 100%; width: auto; object-fit: contain; }
.service .num { font-size: 12.5px; font-weight: 700; letter-spacing: .1em; color: var(--gold-2); }
.service h3 { font-size: 19px; margin: 4px 0 8px; letter-spacing: -.015em; }
.service p { margin: 0; color: var(--ink-2); font-size: 15px; }

/* How we work */
.values { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.value { padding: 28px; border-radius: 20px; background: var(--card); border: 1px solid var(--line); box-shadow: var(--shadow-sm); }
.value .icon {
  width: 46px; height: 46px; border-radius: 13px; display: grid; place-items: center; color: var(--gold);
  background: linear-gradient(160deg, var(--navy-3), var(--navy)); margin-bottom: 18px; box-shadow: 0 8px 18px -10px rgba(13,24,48,.8);
}
.value h3 { margin: 0 0 8px; font-size: 18px; letter-spacing: -.01em; }
.value p { margin: 0; color: var(--ink-2); font-size: 15px; }

/* Company + contact */
.company { display: grid; grid-template-columns: 1.25fr 1fr; gap: 24px; align-items: stretch; }
.info { background: var(--card); border: 1px solid var(--line); border-radius: 20px; box-shadow: var(--shadow-sm); overflow: hidden; }
.info-head { padding: 18px 26px; border-bottom: 1px solid var(--line); background: var(--bg-soft); font-weight: 700; font-size: 15px; }
.info dl { margin: 0; }
.info .row { display: grid; grid-template-columns: 190px 1fr; gap: 16px; padding: 15px 26px; border-top: 1px solid var(--line); }
.info .row:first-child { border-top: 0; }
.info dt { color: var(--muted); font-size: 14px; }
.info dd { margin: 0; font-weight: 500; }

.contact-card {
  border-radius: 20px; padding: 32px; position: relative; overflow: hidden; color: var(--on-navy);
  background: radial-gradient(420px 260px at 100% 100%, rgba(242,169,59,.32), transparent 65%), linear-gradient(160deg, var(--navy-2), var(--navy));
}
.contact-card h3 { color: #fff; font-size: 23px; margin: 0 0 8px; letter-spacing: -.015em; }
.contact-card > p { color: var(--on-navy-2); margin: 0 0 26px; }
.contact-line { display: flex; align-items: center; gap: 14px; padding: 13px 0; border-top: 1px solid rgba(255,255,255,.08); }
.contact-line a, .contact-line .val { color: #fff; font-weight: 600; }
.contact-line small { display: block; color: var(--on-navy-2); font-size: 12.5px; font-weight: 500; }
.contact-line .icon { width: 40px; height: 40px; border-radius: 11px; background: rgba(255,255,255,.07); display: grid; place-items: center; color: var(--gold); flex: none; }

/* CTA band */
.cta {
  border-radius: 24px; padding: 48px; display: flex; align-items: center; justify-content: space-between; gap: 28px;
  background: radial-gradient(600px 300px at 90% 0%, rgba(242,169,59,.3), transparent 60%), linear-gradient(135deg, var(--navy-2), var(--navy));
  color: var(--on-navy); box-shadow: var(--shadow);
}
.cta h2 { color: #fff; margin: 0 0 8px; font-size: clamp(24px, 2.8vw, 32px); }
.cta p { margin: 0; color: var(--on-navy-2); }

/* ---------- Footer ---------- */
.site-footer { background: var(--navy); color: var(--on-navy-2); padding: 56px 0 28px; font-size: 14.5px; margin-top: 96px; }
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; }
.site-footer .brand { color: #fff; }
.site-footer .brand-name small { color: var(--on-navy-2); }
.site-footer h4 { color: #fff; font-size: 14px; margin: 0 0 14px; letter-spacing: .02em; }
.site-footer p { margin: 14px 0 0; max-width: 360px; }
.site-footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 9px; }
.site-footer a { color: var(--on-navy); }
.foot-bottom { border-top: 1px solid rgba(255,255,255,.08); margin-top: 40px; padding-top: 22px; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: 13.5px; }

/* ---------- Legal page ---------- */
.legal { max-width: 800px; padding: 64px 24px 24px; margin: 0 auto; }
.legal h1 { font-size: clamp(32px, 4vw, 44px); letter-spacing: -.025em; margin: 0 0 6px; }
.legal .updated { color: var(--muted); margin: 0 0 36px; }
.legal h2 { font-size: 21px; margin: 36px 0 10px; }
.legal p, .legal li { color: var(--ink-2); }

/* ---------- Responsive ---------- */
@media (max-width: 1000px) {
  .services { grid-template-columns: 1fr; }
  .company, .about { grid-template-columns: 1fr; }
  .about { gap: 40px; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .foot-grid > :first-child { grid-column: 1 / -1; }
}
@media (max-width: 800px) {
  .nav > a { display: none; }
  .hero .wrap { grid-template-columns: 1fr; gap: 28px; padding-top: 48px; padding-bottom: 64px; }
  .hero-art { order: -1; }
  .hero-art img { max-width: 380px; }
  section { padding: 64px 0; }
  .values { grid-template-columns: 1fr; }
  .cta { flex-direction: column; align-items: flex-start; padding: 32px; }
  .site-footer { margin-top: 64px; }
}
@media (max-width: 560px) {
  .wrap { padding: 0 18px; }
  .service { grid-template-columns: 1fr; padding: 16px; gap: 16px; }
  .service .art { height: 180px; }
  .info .row { grid-template-columns: 1fr; gap: 2px; }
  .foot-grid { grid-template-columns: 1fr; }
  .brand-name small { display: none; }
  .nav-end .btn-sm { display: none; }
  .hero .actions .btn { flex: 1 1 auto; }
}

/* Thai has no capitals and breaks apart when letter-spaced */
html[data-lang="th"] .kicker, html[data-lang="th"] .brand-name small { letter-spacing: 0; }

/* ---------- Multi-page parts ---------- */
.nav > a.active { color: var(--ink); font-weight: 600; }

.page-hero {
  padding: 84px 0 76px; position: relative; overflow: hidden; color: var(--on-navy);
  background:
    radial-gradient(700px 360px at 85% 20%, rgba(242, 169, 59, .18), transparent 60%),
    linear-gradient(180deg, var(--navy), #0a1426);
}
.page-hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(ellipse at 70% 30%, #000 20%, transparent 70%);
          mask-image: radial-gradient(ellipse at 70% 30%, #000 20%, transparent 70%);
}
.page-hero .wrap { position: relative; }
.page-hero .kicker { color: #ffd28a; }
.page-hero h1 { color: #fff; font-size: clamp(32px, 4.4vw, 52px); line-height: 1.12; letter-spacing: -.03em; margin: 0 0 16px; max-width: 820px; }
html[data-lang="th"] .page-hero h1 { line-height: 1.3; letter-spacing: -.01em; }
.page-hero .lead { color: var(--on-navy-2); font-size: 18px; margin: 0; max-width: 640px; }

.link-more { display: inline-flex; align-items: center; gap: 6px; font-weight: 600; color: var(--gold-2); }
.link-more::after { content: "→"; transition: transform .15s ease; }
.link-more:hover { text-decoration: none; }
.link-more:hover::after { transform: translateX(3px); }
.more { text-align: center; margin: 36px 0 0; }

.teaser { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: end; }
.teaser h2 { margin: 0; }
.teaser p { color: var(--ink-2); font-size: 17px; margin: 0 0 18px; }

.svc-list { display: grid; gap: 28px; }
.svc {
  display: grid; grid-template-columns: 340px 1fr; gap: 40px; align-items: center;
  padding: 28px; border: 1px solid var(--line); border-radius: 22px; background: var(--card); box-shadow: var(--shadow-sm);
}
.svc .art { height: 250px; border-radius: 16px; display: grid; place-items: center; padding: 22px; background: radial-gradient(circle at 50% 55%, #fff7ea, #f6efe2 70%); }
.svc .art img { max-height: 100%; width: auto; object-fit: contain; }
.svc .num { font-size: 12.5px; font-weight: 700; letter-spacing: .1em; color: var(--gold-2); }
.svc h2 { font-size: clamp(24px, 2.4vw, 30px); margin: 6px 0 10px; }
.svc > div > p { color: var(--ink-2); margin: 0; font-size: 16.5px; }
.svc .checks { margin-top: 18px; }

.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: step; }
.steps li { background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 24px; box-shadow: var(--shadow-sm); }
.steps .num { font-size: 12.5px; font-weight: 700; letter-spacing: .1em; color: var(--gold-2); }
.steps h3 { margin: 8px 0 8px; font-size: 18px; letter-spacing: -.01em; }
.steps p { margin: 0; color: var(--ink-2); font-size: 15px; }

.site-footer .foot-grid { grid-template-columns: 1.4fr 1fr 1fr 1.2fr; }

@media (max-width: 1000px) {
  .steps { grid-template-columns: repeat(2, 1fr); }
  .svc { grid-template-columns: 260px 1fr; gap: 28px; }
  .site-footer .foot-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 800px) {
  .teaser { grid-template-columns: 1fr; gap: 20px; }
  .svc { grid-template-columns: 1fr; padding: 18px; }
  .svc .art { height: 200px; }
  .page-hero { padding: 56px 0 52px; }
}
@media (max-width: 560px) {
  .steps { grid-template-columns: 1fr; }
  .site-footer .foot-grid { grid-template-columns: 1fr; }
}

/* Language switch as links (/ and /th/) */
.lang-switch a {
  font-size: 12.5px; font-weight: 600; color: var(--muted); padding: 4px 11px; border-radius: 999px; text-decoration: none;
}
.lang-switch a:hover { text-decoration: none; color: var(--ink); }
html[data-lang="en"] .lang-switch a[data-set="en"],
html[data-lang="th"] .lang-switch a[data-set="th"] { background: var(--navy); color: #fff; }

/* When to contact us */
.help-list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; counter-reset: help; }
.help-list li { position: relative; padding: 24px 24px 22px; border: 1px solid var(--line); border-radius: 18px; background: var(--card); box-shadow: var(--shadow-sm); }
.help-list li::before {
  counter-increment: help; content: counter(help, decimal-leading-zero);
  display: block; font-size: 12.5px; font-weight: 700; letter-spacing: .1em; color: var(--gold-2); margin-bottom: 8px;
}
.help-list h3 { margin: 0 0 6px; font-size: 17.5px; letter-spacing: -.01em; }
.help-list p { margin: 0; color: var(--ink-2); font-size: 15px; }

/* FAQ */
.faq-grid { display: grid; grid-template-columns: 1fr 1.6fr; gap: 56px; align-items: start; }
.faq-grid > div:first-child p { color: var(--ink-2); }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); padding: 18px 0; }
.faq-list summary { cursor: pointer; list-style: none; font-weight: 600; font-size: 17px; display: flex; justify-content: space-between; gap: 16px; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; color: var(--gold-2); font-weight: 600; font-size: 20px; line-height: 1; }
.faq-list details[open] summary::after { content: "–"; }
.faq-list details p { margin: 10px 0 0; color: var(--ink-2); }

@media (max-width: 1000px) {
  .help-list { grid-template-columns: repeat(2, 1fr); }
  .faq-grid { grid-template-columns: 1fr; gap: 24px; }
}
@media (max-width: 560px) {
  .help-list { grid-template-columns: 1fr; }
}