:root {
  --forest: #1f5c53;
  --forest-dark: #143d38;
  --leaf: #6f9d55;
  --river: #226d8f;
  --clay: #b55432;
  --gold: #d99b35;
  --cream: #fff8e8;
  --paper: #ffffff;
  --mist: #edf4ef;
  --line: #d9ded3;
  --ink: #18211e;
  --soft: #5f6d67;
  --shadow: 0 16px 42px rgba(17, 38, 34, .14);
  --max: 1180px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: Sarabun, "Noto Sans Thai", system-ui, sans-serif;
  color: var(--ink);
  background: var(--cream);
  line-height: 1.65;
}

img { display: block; max-width: 100%; }

a { color: inherit; }

code {
  padding: 2px 6px;
  border-radius: 5px;
  background: rgba(31, 92, 83, .1);
  color: var(--forest-dark);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 12px max(22px, calc((100vw - var(--max)) / 2));
  background: rgba(255, 248, 232, .94);
  border-bottom: 1px solid rgba(217, 222, 211, .86);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  min-width: 245px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 8px;
  color: white;
  font-weight: 700;
  background: linear-gradient(135deg, var(--forest), var(--river));
}

.brand strong,
h1,
h2,
h3 {
  font-family: Sarabun, "Noto Sans Thai", system-ui, sans-serif;
  line-height: 1.25;
}

.brand strong {
  display: block;
  font-size: 17px;
  color: var(--forest-dark);
}

.brand small {
  display: block;
  color: var(--soft);
  font-size: 12px;
}

.nav-links {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 4px;
  flex-wrap: wrap;
}

.nav-links a {
  padding: 9px 11px;
  border-radius: 7px;
  color: var(--forest-dark);
  text-decoration: none;
  font-size: 14px;
  font-weight: 700;
}

.nav-links a:hover {
  background: var(--mist);
}

.hero {
  position: relative;
  min-height: 82vh;
  display: grid;
  align-items: end;
  overflow: hidden;
  background: var(--forest-dark);
}

.hero picture,
.hero img,
.hero-overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero img {
  object-fit: cover;
}

.hero-overlay {
  background:
    linear-gradient(90deg, rgba(11, 28, 26, .88), rgba(11, 28, 26, .56) 42%, rgba(11, 28, 26, .22)),
    linear-gradient(0deg, rgba(11, 28, 26, .72), rgba(11, 28, 26, .08) 46%);
}

.hero-content {
  position: relative;
  width: min(var(--max), calc(100% - 44px));
  margin: 0 auto;
  padding: 112px 0 72px;
  color: white;
}

.kicker {
  margin: 0 0 10px;
  color: var(--gold);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(44px, 9vw, 92px);
  letter-spacing: 0;
}

.hero-lead {
  max-width: 720px;
  margin: 18px 0 0;
  font-size: clamp(18px, 2.1vw, 24px);
  color: rgba(255, 255, 255, .9);
}

.hero-actions,
.result-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 28px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 11px 18px;
  border: 1px solid transparent;
  border-radius: 8px;
  font: inherit;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
}

.btn.primary {
  color: white;
  background: var(--clay);
  box-shadow: 0 10px 28px rgba(181, 84, 50, .32);
}

.btn.line {
  color: white;
  background: #06c755;
  box-shadow: 0 10px 28px rgba(6, 199, 85, .24);
}

.btn.secondary {
  color: white;
  background: var(--forest);
}

.btn.ghost {
  color: white;
  border-color: rgba(255, 255, 255, .72);
  background: rgba(255, 255, 255, .08);
}

.quick-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  width: min(var(--max), calc(100% - 44px));
  margin: -34px auto 0;
  position: relative;
  z-index: 2;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.quick-strip div {
  padding: 20px;
  border-right: 1px solid var(--line);
}

.quick-strip div:last-child { border-right: 0; }

.quick-strip strong {
  display: block;
  color: var(--forest);
  font-size: 25px;
  line-height: 1.1;
}

.quick-strip span {
  color: var(--soft);
  font-size: 14px;
}

.section {
  width: min(var(--max), calc(100% - 44px));
  margin: 0 auto;
  padding: 76px 0;
}

.section-head {
  max-width: 780px;
  margin: 0 auto 34px;
  text-align: center;
}

.section-head.left {
  margin-left: 0;
  text-align: left;
}

h2 {
  margin: 0;
  color: var(--forest-dark);
  font-size: clamp(28px, 4vw, 46px);
}

.section-head p:last-child {
  margin: 12px auto 0;
  color: var(--soft);
  font-size: 17px;
}

.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  color: var(--soft);
  font-size: 18px;
}

.highlights {
  width: 100%;
  padding-left: max(22px, calc((100vw - var(--max)) / 2));
  padding-right: max(22px, calc((100vw - var(--max)) / 2));
  background: var(--mist);
}

.highlight-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.highlight-card,
.place-card,
.route {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  box-shadow: 0 8px 24px rgba(17, 38, 34, .08);
}

.highlight-card img {
  width: 100%;
  height: 245px;
  object-fit: cover;
}

.highlight-body,
.place-card > div,
.route {
  padding: 22px;
}

.number {
  color: var(--clay);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .08em;
}

.type,
.sub {
  margin: 2px 0 0;
  color: var(--river);
  font-weight: 700;
  font-size: 14px;
}

h3 {
  margin: 8px 0 8px;
  color: var(--forest-dark);
  font-size: 22px;
}

.highlight-card p,
.place-card p,
.route li,
.booking-panel p,
.check-list {
  color: var(--soft);
}

.tags {
  display: flex;
  gap: 7px;
  flex-wrap: wrap;
  margin-top: 16px;
}

.tags span,
.badge,
.route-tag {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 4px 9px;
  border-radius: 7px;
  background: #e7f0ea;
  color: var(--forest-dark);
  font-size: 12px;
  font-weight: 700;
}

.card-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  color: var(--soft);
  font-size: 14px;
}

.text-link {
  color: var(--clay);
  font-weight: 800;
  text-decoration: none;
}

.muted { color: #7a837d; }

.tools {
  display: grid;
  gap: 16px;
  margin-bottom: 22px;
}

.search {
  display: grid;
  gap: 7px;
  color: var(--forest-dark);
  font-weight: 700;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid #cdd8d2;
  border-radius: 8px;
  padding: 12px 13px;
  background: white;
  color: var(--ink);
  font: inherit;
}

textarea { resize: vertical; }

.filter-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.filter {
  min-height: 40px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 12px;
  color: var(--forest-dark);
  background: white;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.filter.active {
  color: white;
  border-color: var(--forest);
  background: var(--forest);
}

.directory-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.place-card {
  display: grid;
  grid-template-columns: 190px 1fr;
}

.place-card img {
  width: 100%;
  height: 100%;
  min-height: 260px;
  object-fit: cover;
}

.empty {
  margin: 32px 0 0;
  padding: 18px;
  border: 1px dashed var(--line);
  border-radius: 8px;
  color: var(--soft);
  text-align: center;
}

.routes {
  width: 100%;
  padding-left: max(22px, calc((100vw - var(--max)) / 2));
  padding-right: max(22px, calc((100vw - var(--max)) / 2));
  background: #f5ead6;
}

.route-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.route {
  overflow: visible;
}

.route-tag {
  background: #f4ded2;
  color: #823b24;
}

.route-tag.blue {
  background: #dcecf3;
  color: #175977;
}

.route-tag.gold {
  background: #f4e7bd;
  color: #7b5518;
}

.route ol {
  margin: 14px 0 0;
  padding-left: 22px;
}

.route li + li { margin-top: 7px; }

.booking {
  width: 100%;
  padding-left: max(22px, calc((100vw - var(--max)) / 2));
  padding-right: max(22px, calc((100vw - var(--max)) / 2));
  background: var(--forest-dark);
}

.booking-panel {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 34px;
  align-items: start;
  color: white;
}

.booking-panel h2 { color: white; }

.booking-panel p,
.booking-panel .check-list { color: rgba(255, 255, 255, .78); }

.check-list {
  padding-left: 20px;
}

.admin-channels {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-top: 24px;
}

.admin-card {
  display: block;
  min-height: 116px;
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, .18);
  border-radius: 8px;
  background: rgba(255, 255, 255, .08);
  color: white;
  text-decoration: none;
}

.admin-card.primary-channel {
  background: rgba(6, 199, 85, .18);
  border-color: rgba(6, 199, 85, .55);
}

.admin-card strong {
  display: block;
  font-size: 18px;
}

.admin-card span {
  display: block;
  margin-top: 8px;
  color: rgba(255, 255, 255, .75);
  font-size: 14px;
}

.booking-form {
  display: grid;
  gap: 12px;
}

.booking-form label {
  display: grid;
  gap: 6px;
  color: rgba(255, 255, 255, .92);
  font-weight: 700;
}

.booking-result {
  margin-top: 28px;
  padding: 22px;
  border-radius: 8px;
  background: rgba(255, 255, 255, .08);
  color: white;
}

.booking-result h3 { color: white; }

.contact-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px;
}

.contact-grid a {
  display: block;
  min-height: 132px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
  text-decoration: none;
}

.contact-grid a:hover {
  border-color: var(--forest);
}

.contact-grid a.featured-contact {
  border-color: rgba(6, 199, 85, .55);
  background: #edf8f1;
}

.contact-grid strong {
  display: block;
  color: var(--forest-dark);
  font-size: 17px;
}

.contact-grid span {
  display: block;
  margin-top: 8px;
  color: var(--soft);
  font-size: 14px;
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 28px max(22px, calc((100vw - var(--max)) / 2));
  color: rgba(255, 255, 255, .72);
  background: #101b19;
}

.footer strong { color: white; }

.footer p { margin: 5px 0 0; }

@media (max-width: 980px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav-links {
    justify-content: flex-start;
  }

  .quick-strip,
  .highlight-grid,
  .route-grid,
  .contact-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .intro-grid,
  .booking-panel,
  .directory-grid,
  .admin-channels {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  .site-header {
    position: static;
  }

  .nav-links a {
    padding: 8px 9px;
    font-size: 13px;
  }

  .hero {
    min-height: 78vh;
  }

  .hero-content {
    padding-bottom: 46px;
  }

  .hero-actions .btn,
  .result-actions .btn {
    width: 100%;
  }

  .quick-strip,
  .highlight-grid,
  .route-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .quick-strip div {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .quick-strip div:last-child { border-bottom: 0; }

  .section {
    width: min(100% - 32px, var(--max));
    padding: 54px 0;
  }

  .highlights,
  .routes,
  .booking {
    padding-left: 16px;
    padding-right: 16px;
  }

  .place-card {
    grid-template-columns: 1fr;
  }

  .place-card img {
    height: 220px;
    min-height: auto;
  }

  .footer {
    flex-direction: column;
  }
}