/* ============================================================
   RoamThai — shared stylesheet
   Mobile-first, no frameworks, system font stack.
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; }

:root {
  --teal: #0d7a8c;
  --teal-dark: #095c6b;
  --teal-light: #e7f4f6;
  --navy: #0e2f3f;
  --ink: #1c2a32;
  --muted: #5c6f78;
  --bg: #ffffff;
  --sand: #f8f5ee;
  --border: #dfe7ea;
  --radius: 12px;
  --maxw: 1100px;
  --shadow: 0 2px 14px rgba(14, 47, 63, 0.08);
}

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
               "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  color: var(--ink);
  line-height: 1.7;
  background: var(--bg);
  -webkit-text-size-adjust: 100%;
}

img { max-width: 100%; height: auto; }

.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 1.25rem;
}

main { display: block; }

/* ---------- Header ---------- */
.site-header {
  background: var(--navy);
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 50;
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 0.7rem;
  padding-bottom: 0.7rem;
}
.brand {
  color: #fff;
  text-decoration: none;
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: 0.5px;
}
.brand span { color: #5fd3e0; }
.site-nav { display: flex; gap: 0.25rem; flex-wrap: wrap; }
.site-nav a {
  color: #d7e8ec;
  text-decoration: none;
  padding: 0.4rem 0.7rem;
  border-radius: 8px;
  font-size: 0.95rem;
}
.site-nav a:hover { background: rgba(255,255,255,0.12); color: #fff; }

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--teal-dark) 70%, var(--teal) 100%);
  color: #fff;
  padding: 3.5rem 0 3rem;
}
.hero h1 {
  margin: 0 0 0.6rem;
  font-size: 2.1rem;
  line-height: 1.25;
}
.hero p.lead {
  font-size: 1.15rem;
  color: #d9edf1;
  max-width: 44rem;
  margin: 0 0 1.5rem;
}
.hero .badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.75rem;
}
.badge {
  background: rgba(255,255,255,0.14);
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: 999px;
  padding: 0.3rem 0.85rem;
  font-size: 0.85rem;
  color: #eef7f9;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  background: var(--teal);
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  padding: 0.8rem 1.6rem;
  border-radius: 10px;
  border: 0;
  cursor: pointer;
  font-size: 1.02rem;
}
.btn:hover { background: var(--teal-dark); }
.btn-light {
  background: #fff;
  color: var(--teal-dark);
}
.btn-light:hover { background: var(--teal-light); }
.btn-row { display: flex; gap: 0.75rem; flex-wrap: wrap; }

/* ---------- Sections ---------- */
section.block { padding: 2.5rem 0; }
section.block.alt { background: var(--sand); }
h2 { font-size: 1.55rem; color: var(--navy); margin: 0 0 1rem; }
h3 { font-size: 1.15rem; color: var(--navy); margin: 1.5rem 0 0.5rem; }
p { margin: 0 0 1rem; }
.lead { font-size: 1.08rem; }

/* ---------- Steps ---------- */
.steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin: 1.5rem 0;
}
.step {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.4rem;
  box-shadow: var(--shadow);
}
.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.4rem; height: 2.4rem;
  border-radius: 50%;
  background: var(--teal);
  color: #fff;
  font-weight: 800;
  font-size: 1.15rem;
  margin-bottom: 0.6rem;
}
.step h3 { margin: 0 0 0.4rem; }
.step p { margin: 0; color: var(--muted); }

/* ---------- Tables ---------- */
.table-scroll { overflow-x: auto; margin: 1.25rem 0; border-radius: var(--radius); box-shadow: var(--shadow); }
table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  font-size: 0.97rem;
  min-width: 620px;
}
caption {
  text-align: left;
  font-weight: 700;
  color: var(--navy);
  padding: 0.8rem 1rem;
  background: var(--teal-light);
  caption-side: top;
}
th, td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
th { background: var(--navy); color: #fff; font-weight: 700; white-space: nowrap; }
tr:last-child td { border-bottom: 0; }
tbody tr:nth-child(even) td { background: #f4f9fa; }
td.price { font-weight: 700; color: var(--teal-dark); white-space: nowrap; }
tr.ours td { background: #e2f3e9 !important; }
.tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  background: var(--teal);
  color: #fff;
  border-radius: 6px;
  padding: 0.15rem 0.5rem;
  margin-left: 0.4rem;
  vertical-align: middle;
}
.fineprint { font-size: 0.85rem; color: var(--muted); }

/* ---------- Cards / features ---------- */
.cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin: 1.5rem 0;
}
.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.4rem;
  box-shadow: var(--shadow);
}
.card h3 { margin-top: 0; }
.card p { margin-bottom: 0; color: var(--muted); }
.card .icon { font-size: 1.8rem; }

/* ---------- Callout ---------- */
.callout {
  background: var(--teal-light);
  border-left: 5px solid var(--teal);
  border-radius: 0 10px 10px 0;
  padding: 1.1rem 1.3rem;
  margin: 1.5rem 0;
}
.callout p { margin: 0; }
.callout strong { color: var(--teal-dark); }

/* ---------- FAQ ---------- */
.faq details {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  margin-bottom: 0.7rem;
  box-shadow: var(--shadow);
}
.faq summary {
  cursor: pointer;
  padding: 1rem 1.2rem;
  font-weight: 700;
  color: var(--navy);
  list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  float: right;
  color: var(--teal);
  font-size: 1.3rem;
  line-height: 1;
}
.faq details[open] summary::after { content: "–"; }
.faq .answer { padding: 0 1.2rem 1.1rem; color: var(--muted); }
.faq .answer p:last-child { margin-bottom: 0; }

/* ---------- Breadcrumb ---------- */
.breadcrumb {
  font-size: 0.88rem;
  color: var(--muted);
  padding: 1rem 0 0;
}
.breadcrumb a { color: var(--teal-dark); text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; }

/* ---------- Article ---------- */
.article h1 { font-size: 1.9rem; color: var(--navy); margin: 0.6rem 0 0.8rem; line-height: 1.3; }
.article .meta { color: var(--muted); font-size: 0.9rem; margin-bottom: 1.2rem; }
.article ul, .article ol { margin: 0 0 1rem 1.2rem; padding: 0; }
.article li { margin-bottom: 0.45rem; }
.toc {
  background: var(--sand);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem 1.3rem;
  margin: 1.4rem 0;
}
.toc strong { display: block; margin-bottom: 0.4rem; color: var(--navy); }
.toc ul { margin: 0 0 0 1.1rem; }
.toc a { color: var(--teal-dark); }

/* ---------- Verdict box ---------- */
.verdict {
  background: #fff;
  border: 2px solid var(--teal);
  border-radius: var(--radius);
  padding: 1.3rem 1.4rem;
  margin: 1.6rem 0;
  box-shadow: var(--shadow);
}
.verdict h3 { margin-top: 0; color: var(--teal-dark); }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--navy);
  color: #c9dde3;
  padding: 2.5rem 0 1.5rem;
  margin-top: 2rem;
  font-size: 0.95rem;
}
.site-footer .cols {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}
.site-footer h4 { color: #fff; margin: 0 0 0.6rem; font-size: 1rem; }
.site-footer a { color: #c9dde3; text-decoration: none; }
.site-footer a:hover { color: #fff; text-decoration: underline; }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin-bottom: 0.35rem; }
.site-footer .bottom {
  border-top: 1px solid rgba(255,255,255,0.15);
  padding-top: 1rem;
  font-size: 0.85rem;
  color: #9db8c0;
}

/* ---------- Larger screens ---------- */
@media (min-width: 700px) {
  .hero h1 { font-size: 2.7rem; }
  .steps { grid-template-columns: repeat(3, 1fr); }
  .cards { grid-template-columns: repeat(2, 1fr); }
  .site-footer .cols { grid-template-columns: 2fr 1fr 1fr; }
  section.block { padding: 3.2rem 0; }
}
@media (min-width: 1000px) {
  .cards.cols3 { grid-template-columns: repeat(3, 1fr); }
}

/* ---------- Trust bar (below hero) ---------- */
.trustbar {
  background: #fff;
  border-bottom: 1px solid var(--border);
}
.trustbar .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.6rem;
  justify-content: center;
  padding-top: 0.85rem;
  padding-bottom: 0.85rem;
}
.trustbar span {
  font-weight: 700;
  color: var(--teal-dark);
  font-size: 0.92rem;
  white-space: nowrap;
}
.trustbar span::before {
  content: "✓ ";
  color: var(--teal);
}

/* ---------- Header logo image ---------- */
.brand img {
  height: 2.1rem;
  width: auto;
  display: block;
}

/* ---------- Contact form ---------- */
.contact-form {
  display: grid;
  gap: 1rem;
  max-width: 38rem;
  margin: 1.5rem 0;
}
.field {
  display: grid;
  gap: 0.35rem;
  font-weight: 700;
  color: var(--navy);
  font-size: 0.95rem;
}
.field input,
.field textarea {
  font: inherit;
  font-weight: 400;
  color: var(--ink);
  padding: 0.7rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #fff;
  width: 100%;
}
.field input:focus,
.field textarea:focus {
  outline: 2px solid var(--teal);
  outline-offset: 1px;
  border-color: var(--teal);
}
.form-note { font-size: 0.88rem; color: var(--muted); }

/* ---------- Policy pages ---------- */
.policy h2 { margin-top: 2rem; }
.policy .updated { color: var(--muted); font-size: 0.9rem; }

/* ---------- Footer: 4 columns on desktop ---------- */
@media (min-width: 700px) {
  .site-footer .cols { grid-template-columns: 2fr 1fr 1fr 1fr; }
}