/* ============================================================
   TDAC — Thailand Digital Arrival Card service
   Shared design system
   Primary: premium navy blue. Secondary: pastel yellow (minimal).
   Type: Manrope (UI/headings) + Poppins (body)
   ============================================================ */

:root {
  /* Brand blues */
  --navy-900: #0B2545;
  --navy-800: #0E2E5C;
  --navy-700: #16407A;   /* PRIMARY */
  --navy-600: #1B4D92;
  --navy-500: #2563B0;
  --navy-400: #3E7FD0;
  --navy-100: #E7EEF8;
  --navy-50:  #F2F6FC;

  /* Pastel yellow — used sparingly */
  --gold-500: #E9B949;
  --gold-300: #F6D87B;
  --gold-100: #FBEFC4;
  --gold-50:  #FDF8E9;

  /* Neutrals (cool-warm balanced) */
  --ink-900: #131722;
  --ink-700: #2C3445;
  --ink-500: #5A6377;
  --ink-400: #828B9E;
  --ink-300: #B6BDCB;
  --line:    #E4E8EF;
  --line-soft:#EDF0F5;
  --bg:      #F6F8FB;
  --bg-soft: #FBFCFE;
  --white:   #FFFFFF;

  /* Functional */
  --green-600:#137A52;
  --green-100:#E2F3EA;
  --amber-600:#B5781A;
  --amber-100:#FBEFD3;
  --red-600:  #C0392B;
  --red-100:  #FBE6E2;
  --blue-100: var(--navy-100);

  /* Elevation */
  --shadow-xs: 0 1px 2px rgba(15,33,66,.06);
  --shadow-sm: 0 2px 8px rgba(15,33,66,.07);
  --shadow-md: 0 8px 28px rgba(15,33,66,.10);
  --shadow-lg: 0 24px 60px rgba(15,33,66,.16);

  --radius-sm: 8px;
  --radius:    12px;
  --radius-lg: 18px;
  --radius-xl: 26px;

  --maxw: 1200px;
  --header-h: 76px;

  --font-ui: "Manrope", system-ui, sans-serif;
  --font-body: "Poppins", system-ui, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink-700);
  background: var(--bg);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, h5, .font-ui {
  font-family: var(--font-ui);
  color: var(--ink-900);
  line-height: 1.12;
  letter-spacing: -0.02em;
  font-weight: 800;
  margin: 0;
}

p { margin: 0 0 1em; text-wrap: pretty; }
a { color: var(--navy-600); text-decoration: none; }
img { max-width: 100%; display: block; }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.container-narrow { max-width: 880px; margin: 0 auto; padding: 0 24px; }

.eyebrow {
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: 12.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--navy-500);
  margin: 0 0 14px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.eyebrow::before {
  content: "";
  width: 22px; height: 2px;
  background: var(--gold-500);
  display: inline-block;
}

.section { padding: 92px 0; }
.section-sm { padding: 60px 0; }
.muted { color: var(--ink-500); }
.center { text-align: center; }
.lead { font-size: 18.5px; color: var(--ink-500); line-height: 1.7; }

/* ---------- Buttons ---------- */
.btn {
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: 15px;
  border: none;
  border-radius: 999px;
  padding: 14px 26px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  transition: transform .15s ease, box-shadow .2s ease, background .2s ease, color .2s;
  text-decoration: none;
  white-space: nowrap;
  line-height: 1;
}
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: var(--navy-700);
  color: #fff;
  box-shadow: 0 8px 22px rgba(22,64,122,.28);
}
.btn-primary:hover { background: var(--navy-800); box-shadow: 0 12px 30px rgba(22,64,122,.36); }
.btn-gold {
  background: var(--gold-300);
  color: var(--navy-900);
  box-shadow: 0 8px 22px rgba(233,185,73,.30);
}
.btn-gold:hover { background: var(--gold-500); }
.btn-ghost {
  background: transparent;
  color: var(--navy-700);
  border: 1.5px solid var(--line);
}
.btn-ghost:hover { border-color: var(--navy-400); background: var(--navy-50); }
.btn-white { background: #fff; color: var(--navy-700); box-shadow: var(--shadow-sm); }
.btn-white:hover { box-shadow: var(--shadow-md); }
.btn-lg { padding: 17px 34px; font-size: 16.5px; }
.btn-sm { padding: 10px 18px; font-size: 13.5px; }
.btn .arrow {
  width: 22px; height: 22px; border-radius: 50%;
  display: inline-grid; place-items: center;
  background: rgba(255,255,255,.18);
  font-size: 13px;
}
.btn-gold .arrow, .btn-white .arrow { background: rgba(11,37,69,.10); }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.88);
  backdrop-filter: saturate(1.4) blur(14px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  height: var(--header-h);
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px;
}
.logo { display: flex; align-items: center; gap: 11px; }
/* Brand logo image (Thai ETA Card). Header sits on light bg; footer on dark bg uses a white chip. */
.logo-img { height: 56px; width: auto; display: block; }
.logo--footer .logo-img { height: 62px; background: #fff; border-radius: 12px; padding: 7px 10px; box-shadow: var(--shadow-sm); }
.logo-mark {
  width: 42px; height: 42px; flex: none;
  border-radius: 11px;
  background: linear-gradient(150deg, var(--navy-600), var(--navy-800));
  display: grid; place-items: center;
  box-shadow: 0 6px 16px rgba(22,64,122,.30);
  position: relative;
  overflow: hidden;
}
.logo-mark svg { width: 24px; height: 24px; }
.logo-text { display: flex; flex-direction: column; line-height: 1; }
.logo-text b {
  font-family: var(--font-ui);
  font-weight: 800; font-size: 20px; color: var(--navy-800);
  letter-spacing: -0.01em;
}
.logo-text span {
  font-family: var(--font-ui);
  font-size: 9.5px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--ink-400); font-weight: 600; margin-top: 3px;
}
.nav { display: flex; align-items: center; gap: 4px; }
.nav a {
  font-family: var(--font-ui);
  font-weight: 600; font-size: 14.5px; color: var(--ink-700);
  padding: 9px 14px; border-radius: 9px;
  transition: background .15s, color .15s;
}
.nav a:hover { background: var(--navy-50); color: var(--navy-700); }
.nav a.active { color: var(--navy-700); }
.header-actions { display: flex; align-items: center; gap: 12px; }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 6px; }
.nav-toggle svg { width: 26px; height: 26px; stroke: var(--navy-800); }

@media (max-width: 980px) {
  .nav, .header-actions .btn span.hide-sm { display: none; }
  .nav-toggle { display: block; }
  .nav.open {
    display: flex; flex-direction: column; align-items: stretch;
    position: absolute; top: var(--header-h); left: 0; right: 0;
    background: #fff; border-bottom: 1px solid var(--line);
    padding: 12px; gap: 2px; box-shadow: var(--shadow-md);
  }
  .nav.open a { padding: 13px 16px; }
}

/* ---------- Footer ---------- */
.disclaimer-bar {
  background: var(--navy-900); color: rgba(255,255,255,.62);
  font-size: 12.5px; line-height: 1.7; padding: 22px 0;
}
.disclaimer-bar a { color: var(--gold-300); }
.site-footer { background: #0A1F3D; color: rgba(255,255,255,.72); padding: 64px 0 0; }
.footer-grid {
  display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 40px;
}
.site-footer h5 {
  color: #fff; font-size: 13px; letter-spacing: .1em; text-transform: uppercase;
  margin: 0 0 18px; font-weight: 700;
}
.footer-links { list-style: none; padding: 0; margin: 0; display: grid; gap: 11px; }
.footer-links a { color: rgba(255,255,255,.72); font-size: 14.5px; }
.footer-links a:hover { color: #fff; }
.footer-brand .logo-text b { color: #fff; }
.footer-brand .logo-text span { color: rgba(255,255,255,.5); }
.footer-brand p { color: rgba(255,255,255,.6); font-size: 14px; margin-top: 18px; max-width: 320px; }
.ssl-row { display: flex; align-items: center; gap: 12px; margin-top: 22px; color: rgba(255,255,255,.55); font-size: 12.5px; }
.ssl-badge { width: 38px; height: 38px; border-radius: 50%; border: 2px solid rgba(255,255,255,.3); display: grid; place-items: center; flex: none; }
.pay-row { display: flex; gap: 8px; margin-top: 18px; flex-wrap: wrap; }
.pay-chip { background: rgba(255,255,255,.10); border: 1px solid rgba(255,255,255,.14); border-radius: 6px; padding: 5px 9px; font-size: 11px; font-weight: 700; font-family: var(--font-ui); color: rgba(255,255,255,.85); letter-spacing: .04em; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.10); margin-top: 56px; padding: 22px 0; font-size: 13px; color: rgba(255,255,255,.5); display:flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; }

@media (max-width: 860px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 520px) {
  .footer-grid { grid-template-columns: 1fr; }
}

/* ---------- Cards / generic ---------- */
.card {
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius-lg); box-shadow: var(--shadow-sm);
}
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--font-ui); font-weight: 700; font-size: 12px;
  padding: 5px 11px; border-radius: 999px; letter-spacing: .02em;
}
.badge-gold { background: var(--gold-100); color: var(--amber-600); }
.badge-blue { background: var(--navy-100); color: var(--navy-700); }
.badge-green { background: var(--green-100); color: var(--green-600); }
.badge-amber { background: var(--amber-100); color: var(--amber-600); }
.badge-red { background: var(--red-100); color: var(--red-600); }
.badge-gray { background: var(--line-soft); color: var(--ink-500); }

/* image placeholder */
.img-ph {
  position: relative; background:
    repeating-linear-gradient(135deg, var(--navy-50) 0 14px, #fff 14px 28px);
  border: 1px solid var(--line);
  display: grid; place-items: center; color: var(--ink-400);
  font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: 12px;
  letter-spacing: .04em; text-align: center; padding: 16px;
}
.img-ph span { background: rgba(255,255,255,.85); padding: 4px 10px; border-radius: 6px; }

/* breadcrumb hero (interior pages) */
.page-hero {
  background: linear-gradient(120deg, var(--navy-800), var(--navy-700) 60%, var(--navy-600));
  color: #fff; padding: 56px 0; position: relative; overflow: hidden;
}
.page-hero::after {
  content: ""; position: absolute; right: -80px; top: -80px; width: 320px; height: 320px;
  background: radial-gradient(circle, rgba(246,216,123,.18), transparent 70%);
}
.page-hero h1 { color: #fff; font-size: clamp(30px, 4vw, 46px); }
.crumb { display: flex; gap: 8px; align-items: center; font-size: 13.5px; color: rgba(255,255,255,.7); margin-top: 14px; font-family: var(--font-ui); }
.crumb a { color: rgba(255,255,255,.7); }
.crumb a:hover { color: #fff; }

/* prose for legal/info pages */
.prose { font-size: 16px; color: var(--ink-700); }
.prose h2 { font-size: 26px; margin: 44px 0 16px; color: var(--navy-800); }
.prose h3 { font-size: 19px; margin: 30px 0 10px; color: var(--ink-900); }
.prose p, .prose li { line-height: 1.75; }
.prose ul, .prose ol { padding-left: 22px; margin: 0 0 18px; }
.prose li { margin-bottom: 8px; }
.prose strong { color: var(--ink-900); }
.prose hr { border: none; border-top: 1px solid var(--line); margin: 40px 0; }
.prose a { color: var(--navy-600); text-decoration: underline; text-underline-offset: 2px; }

.fade-up { opacity: 0; transform: translateY(22px); transition: opacity .7s ease, transform .7s ease; }
.fade-up.in { opacity: 1; transform: none; }