:root {
  --bg: #eef4f2;
  --bg-deep: #dfeae6;
  --surface: rgba(255, 252, 248, 0.82);
  --ink: #1a2b29;
  --ink-soft: #3d524e;
  --muted: #5f7470;
  --primary: #0b4f4a;
  --primary-deep: #073834;
  --accent: #c4a35a;
  --accent-soft: #e8d5a3;
  --line: rgba(11, 79, 74, 0.14);
  --danger: #9b3b2e;
  --ok: #1f6b4a;
  --shadow: 0 18px 40px rgba(26, 43, 41, 0.08);
  --radius: 18px;
  --font-display: "Prompt", "Sarabun", sans-serif;
  --font-body: "Sarabun", sans-serif;
  --max: 1120px;
  --header-h: 76px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background:
    radial-gradient(ellipse 80% 50% at 10% -10%, rgba(196, 163, 90, 0.18), transparent 55%),
    radial-gradient(ellipse 70% 45% at 95% 5%, rgba(11, 79, 74, 0.12), transparent 50%),
    linear-gradient(165deg, #f4f7f5 0%, var(--bg) 45%, var(--bg-deep) 100%);
  background-attachment: fixed;
  line-height: 1.7;
  min-height: 100vh;
}

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

a {
  color: var(--primary);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  color: var(--primary-deep);
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  line-height: 1.25;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--ink);
}

p {
  margin: 0 0 1rem;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.wrap {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(14px);
  background: rgba(238, 244, 242, 0.88);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
  min-height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
  color: var(--ink);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
}

.brand-mark {
  width: 2rem;
  height: 2rem;
  border-radius: 0.55rem;
  background:
    linear-gradient(135deg, var(--primary) 0%, #1a7a72 60%, var(--accent) 100%);
  box-shadow: inset 0 0 0 2px rgba(255, 255, 255, 0.25);
  flex-shrink: 0;
}

.brand-text {
  max-width: 14rem;
  line-height: 1.2;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 0.35rem 1rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.site-nav a {
  text-decoration: none;
  color: var(--ink-soft);
  font-size: 0.92rem;
  font-weight: 500;
  padding: 0.25rem 0;
  position: relative;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 0.25s ease;
}

.site-nav a:hover::after,
.site-nav a[aria-current="page"]::after {
  width: 100%;
}

.site-nav .nav-cta {
  background: var(--primary);
  color: #f7fbfa;
  padding: 0.55rem 1rem;
  border-radius: 999px;
  text-decoration: none;
}

.site-nav .nav-cta::after {
  display: none;
}

.site-nav .nav-cta:hover {
  background: var(--primary-deep);
  color: #fff;
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 10px;
  width: 2.6rem;
  height: 2.6rem;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
}

.nav-toggle-bar {
  display: block;
  width: 1.1rem;
  height: 2px;
  background: var(--ink);
}

@media (max-width: 980px) {
  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    display: none;
    position: absolute;
    top: calc(var(--header-h) + 1px);
    left: 0;
    right: 0;
    background: rgba(247, 250, 248, 0.98);
    border-bottom: 1px solid var(--line);
    padding: 1rem 1.25rem 1.25rem;
    flex-direction: column;
    align-items: stretch;
    gap: 0.15rem;
  }

  .site-nav.is-open {
    display: flex;
    animation: slideDown 0.28s ease;
  }

  .site-nav .nav-cta {
    text-align: center;
    margin-top: 0.5rem;
  }
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes drift {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.reveal {
  animation: fadeUp 0.7s ease both;
}

.reveal-delay-1 { animation-delay: 0.12s; }
.reveal-delay-2 { animation-delay: 0.24s; }
.reveal-delay-3 { animation-delay: 0.36s; }

/* Hero variants */
.hero {
  padding: 3.5rem 0 3rem;
  position: relative;
  overflow: hidden;
}

.hero-home {
  min-height: calc(100vh - var(--header-h));
  display: grid;
  align-items: end;
  padding: 0;
}

.hero-plane {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(105deg, rgba(7, 56, 52, 0.78) 0%, rgba(7, 56, 52, 0.45) 42%, rgba(7, 56, 52, 0.2) 100%),
    url("https://images.unsplash.com/photo-1552465011-b4e21bf6e79a?auto=format&fit=crop&w=1800&q=80") center/cover no-repeat;
  z-index: 0;
}

.hero-home .wrap {
  position: relative;
  z-index: 1;
  padding: 5rem 0 4rem;
  color: #f4faf8;
  max-width: 38rem;
  margin-left: max(1rem, calc((100% - var(--max)) / 2));
  margin-right: auto;
  width: min(100% - 2rem, 38rem);
}

.hero-home h1 {
  color: #fff;
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  margin: 0 0 1rem;
  text-shadow: 0 8px 30px rgba(0, 0, 0, 0.25);
}

.hero-home .lede {
  font-size: 1.12rem;
  color: rgba(244, 250, 248, 0.92);
  margin-bottom: 1.75rem;
}

.hero-kicker {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-soft);
  margin-bottom: 0.85rem;
}

.page-hero {
  padding: 3rem 0 2rem;
}

.page-hero h1 {
  font-size: clamp(1.9rem, 4vw, 2.7rem);
  margin: 0 0 0.75rem;
}

.page-hero .lede {
  color: var(--ink-soft);
  font-size: 1.08rem;
  max-width: 40rem;
}

.hero-split {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2rem;
  align-items: center;
  padding: 3rem 0;
}

.hero-split img {
  width: 100%;
  height: min(420px, 55vw);
  object-fit: cover;
  border-radius: 0 28px 28px 0;
  box-shadow: var(--shadow);
  animation: drift 7s ease-in-out infinite;
}

@media (max-width: 800px) {
  .hero-split {
    grid-template-columns: 1fr;
  }
  .hero-split img {
    border-radius: var(--radius);
    height: 240px;
    animation: none;
  }
}

/* Buttons */
.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.8rem 1.35rem;
  border-radius: 999px;
  border: 1.5px solid transparent;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.98rem;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: var(--accent);
  color: var(--primary-deep);
}

.btn-primary:hover {
  background: #d4b56a;
  color: var(--primary-deep);
}

.btn-ghost {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.55);
  color: #fff;
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
}

.btn-outline {
  background: transparent;
  border-color: var(--primary);
  color: var(--primary);
}

.btn-outline:hover {
  background: var(--primary);
  color: #fff;
}

/* Sections */
.section {
  padding: 3.5rem 0;
}

.section-title {
  font-size: clamp(1.55rem, 3vw, 2.1rem);
  margin: 0 0 0.6rem;
}

.section-intro {
  color: var(--ink-soft);
  max-width: 38rem;
  margin-bottom: 2rem;
}

.band {
  background: linear-gradient(120deg, rgba(11, 79, 74, 0.06), rgba(196, 163, 90, 0.1));
  border-block: 1px solid var(--line);
}

/* Offer grid - not cards unless interactive; for listing we use soft surface panels */
.offer-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

@media (max-width: 900px) {
  .offer-grid { grid-template-columns: 1fr; }
}

.offer-item {
  padding: 0;
}

.offer-item img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: var(--radius);
  margin-bottom: 1rem;
}

.offer-item h3 {
  margin: 0 0 0.5rem;
  font-size: 1.2rem;
}

.offer-item p {
  color: var(--ink-soft);
  margin-bottom: 0.75rem;
}

.offer-item a {
  font-family: var(--font-display);
  font-weight: 500;
  text-decoration: none;
  border-bottom: 1px solid var(--accent);
}

/* Feature strip */
.narrative {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: center;
}

.narrative img {
  width: 100%;
  height: 340px;
  object-fit: cover;
  border-radius: var(--radius);
}

.narrative-list {
  list-style: none;
  padding: 0;
  margin: 1.25rem 0 0;
}

.narrative-list li {
  padding: 0.65rem 0 0.65rem 1.4rem;
  position: relative;
  color: var(--ink-soft);
  border-bottom: 1px solid var(--line);
}

.narrative-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.1rem;
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--accent);
}

@media (max-width: 800px) {
  .narrative { grid-template-columns: 1fr; }
  .narrative img { height: 220px; }
}

/* Quotes */
.quote-stack {
  display: grid;
  gap: 1.5rem;
}

.quote {
  padding: 1.5rem 0;
  border-top: 1px solid var(--line);
}

.quote:last-child {
  border-bottom: 1px solid var(--line);
}

.quote blockquote {
  margin: 0 0 0.75rem;
  font-size: 1.08rem;
  color: var(--ink);
}

.quote cite {
  font-style: normal;
  color: var(--muted);
  font-size: 0.92rem;
}

/* Pricing */
.rate-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
}

.rate-table th,
.rate-table td {
  text-align: left;
  padding: 1rem 0.75rem;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

.rate-table th {
  font-family: var(--font-display);
  color: var(--primary);
  font-weight: 600;
}

.rate-note {
  color: var(--muted);
  font-size: 0.95rem;
}

.price-block {
  padding: 1.75rem 0;
  border-top: 1px solid var(--line);
}

.price-block h3 {
  margin: 0 0 0.5rem;
}

.price-amount {
  font-family: var(--font-display);
  font-size: 1.6rem;
  color: var(--primary);
  margin: 0.35rem 0 0.75rem;
}

/* Blog */
.blog-list {
  display: grid;
  gap: 2rem;
}

.blog-row {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 1.5rem;
  align-items: start;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--line);
}

.blog-row img {
  width: 100%;
  height: 150px;
  object-fit: cover;
  border-radius: 14px;
}

.blog-row h2 {
  margin: 0 0 0.4rem;
  font-size: 1.35rem;
}

.blog-row h2 a {
  text-decoration: none;
  color: var(--ink);
}

.blog-meta {
  color: var(--muted);
  font-size: 0.88rem;
  margin-bottom: 0.5rem;
}

@media (max-width: 700px) {
  .blog-row { grid-template-columns: 1fr; }
  .blog-row img { height: 180px; }
}

.article-body {
  max-width: 42rem;
}

.article-body h2 {
  margin-top: 2rem;
  font-size: 1.35rem;
}

.article-cover {
  width: 100%;
  max-height: 420px;
  object-fit: cover;
  border-radius: var(--radius);
  margin: 1.5rem 0 2rem;
}

/* Forms */
.form-grid {
  display: grid;
  gap: 1.1rem;
  max-width: 36rem;
}

.form-field label {
  display: block;
  font-family: var(--font-display);
  font-weight: 500;
  margin-bottom: 0.35rem;
  font-size: 0.95rem;
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  padding: 0.75rem 0.9rem;
  border: 1.5px solid var(--line);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.75);
  font: inherit;
  color: var(--ink);
}

.form-field textarea {
  min-height: 140px;
  resize: vertical;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: 2px solid rgba(11, 79, 74, 0.35);
  border-color: var(--primary);
}

.field-error {
  color: var(--danger);
  font-size: 0.88rem;
  margin-top: 0.3rem;
  display: none;
}

.form-field.has-error .field-error {
  display: block;
}

.form-field.has-error input,
.form-field.has-error select,
.form-field.has-error textarea {
  border-color: var(--danger);
}

.form-status {
  padding: 0.85rem 1rem;
  border-radius: 12px;
  margin-top: 1rem;
  display: none;
}

.form-status.is-success {
  display: block;
  background: rgba(31, 107, 74, 0.12);
  color: var(--ok);
}

.form-status.is-error {
  display: block;
  background: rgba(155, 59, 46, 0.1);
  color: var(--danger);
}

.contact-layout {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2.5rem;
}

.contact-aside {
  padding: 1.5rem 0;
}

.contact-aside h2 {
  margin-top: 0;
  font-size: 1.2rem;
}

.contact-aside p {
  color: var(--ink-soft);
}

@media (max-width: 800px) {
  .contact-layout { grid-template-columns: 1fr; }
}

/* Legal */
.legal-body {
  max-width: 46rem;
}

.legal-body h2 {
  margin-top: 2rem;
  font-size: 1.25rem;
}

.legal-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0 1.5rem;
  font-size: 0.92rem;
}

.legal-body th,
.legal-body td {
  border: 1px solid var(--line);
  padding: 0.65rem 0.75rem;
  text-align: left;
  vertical-align: top;
}

.legal-body th {
  background: rgba(11, 79, 74, 0.06);
}

/* 404 */
.error-page {
  min-height: 60vh;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 3rem 1rem;
}

.error-page h1 {
  font-size: clamp(2.5rem, 8vw, 4.5rem);
  margin: 0 0 0.5rem;
  color: var(--primary);
}

/* Cookie banner */
.cookie-banner {
  position: fixed;
  bottom: 1rem;
  left: 1rem;
  right: 1rem;
  z-index: 60;
  max-width: 520px;
  margin-inline: auto;
  background: rgba(247, 250, 248, 0.97);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.25rem 1.35rem;
  display: none;
}

.cookie-banner.is-visible {
  display: block;
  animation: fadeUp 0.4s ease;
}

.cookie-banner p {
  margin: 0 0 1rem;
  font-size: 0.95rem;
  color: var(--ink-soft);
}

.cookie-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.cookie-actions .btn {
  padding: 0.55rem 1.1rem;
  font-size: 0.9rem;
}

.inline-error {
  background: rgba(155, 59, 46, 0.1);
  color: var(--danger);
  padding: 0.65rem 0.9rem;
  border-radius: 10px;
  margin: 0.5rem 0;
  font-size: 0.9rem;
}

/* Footer */
.site-footer {
  margin-top: 3rem;
  background: var(--primary-deep);
  color: rgba(244, 250, 248, 0.88);
  padding: 3rem 0 2rem;
}

.footer-inner {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

.footer-name {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 0.5rem;
}

.footer-tag {
  color: rgba(244, 250, 248, 0.72);
  max-width: 28rem;
  margin-bottom: 2rem;
}

.footer-cols {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-cols h3 {
  color: var(--accent-soft);
  font-size: 0.95rem;
  margin: 0 0 0.75rem;
}

.footer-cols p,
.footer-cols li {
  color: rgba(244, 250, 248, 0.78);
  font-size: 0.92rem;
}

.footer-cols ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-cols li {
  margin-bottom: 0.4rem;
}

.footer-cols a {
  color: rgba(244, 250, 248, 0.85);
  text-decoration: none;
}

.footer-cols a:hover {
  color: var(--accent-soft);
}

.footer-copy {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-top: 1.25rem;
  font-size: 0.85rem;
  color: rgba(244, 250, 248, 0.55);
  margin: 0;
}

@media (max-width: 800px) {
  .footer-cols { grid-template-columns: 1fr; gap: 1.5rem; }
}

/* Misc */
.prose-wide {
  max-width: 44rem;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
}

.tag-list li {
  font-size: 0.85rem;
  color: var(--primary);
  border: 1px solid var(--line);
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.45);
}

.timeline {
  border-left: 2px solid var(--line);
  padding-left: 1.25rem;
  margin: 1.5rem 0;
}

.timeline-item {
  position: relative;
  padding-bottom: 1.5rem;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -1.55rem;
  top: 0.35rem;
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--bg);
}

.timeline-item h3 {
  margin: 0 0 0.35rem;
  font-size: 1.05rem;
}

.area-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.75rem;
  margin-top: 2rem;
}

.area-grid article h3 {
  margin: 0.75rem 0 0.4rem;
}

.area-grid img {
  width: 100%;
  height: 190px;
  object-fit: cover;
  border-radius: 14px;
}

@media (max-width: 700px) {
  .area-grid { grid-template-columns: 1fr; }
}

.detail-meta {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem 2rem;
  margin: 2rem 0;
  padding: 1.25rem 0;
  border-block: 1px solid var(--line);
}

.detail-meta dt {
  font-family: var(--font-display);
  font-weight: 500;
  color: var(--primary);
  font-size: 0.9rem;
}

.detail-meta dd {
  margin: 0.15rem 0 0;
  color: var(--ink-soft);
}

@media (max-width: 600px) {
  .detail-meta { grid-template-columns: 1fr; }
}

.cta-band {
  text-align: center;
  padding: 3rem 1.5rem;
  background:
    linear-gradient(135deg, rgba(11, 79, 74, 0.92), rgba(7, 56, 52, 0.88)),
    url("https://images.unsplash.com/photo-1507525428034-b723cf961d3e?auto=format&fit=crop&w=1400&q=80") center/cover;
  color: #fff;
  border-radius: var(--radius);
  margin: 2rem 0;
}

.cta-band h2 {
  color: #fff;
  margin: 0 0 0.6rem;
}

.cta-band p {
  color: rgba(255, 255, 255, 0.88);
  max-width: 32rem;
  margin: 0 auto 1.25rem;
}