:root {
  --color-ink: #1c2a2e;
  --color-ink-soft: #3d4f55;
  --color-muted: #5e7178;
  --color-paper: #eef3f1;
  --color-paper-deep: #dce6e2;
  --color-brand: #1f4f48;
  --color-brand-deep: #163a35;
  --color-accent: #b86a2a;
  --color-accent-hover: #9a5620;
  --color-line: rgba(28, 42, 46, 0.14);
  --color-success: #1f5a3d;
  --color-error: #8a2e2e;
  --font-display: "Noto Serif Thai", "Times New Roman", serif;
  --font-body: "Noto Sans Thai", "Segoe UI", sans-serif;
  --space-xs: 0.4rem;
  --space-sm: 0.75rem;
  --space-md: 1.25rem;
  --space-lg: 2rem;
  --space-xl: 3.5rem;
  --space-2xl: 5.5rem;
  --radius: 2px;
  --shadow-soft: 0 18px 40px rgba(22, 58, 53, 0.08);
  --max: 70rem;
  --header-h: 4.25rem;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--color-ink);
  background:
    radial-gradient(1200px 500px at 10% -10%, rgba(184, 106, 42, 0.12), transparent 55%),
    radial-gradient(900px 420px at 95% 5%, rgba(31, 79, 72, 0.14), transparent 50%),
    linear-gradient(180deg, #f4f7f5 0%, var(--color-paper) 40%, #f7f5f1 100%);
  min-height: 100vh;
}

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

a {
  color: var(--color-brand);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--color-accent);
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  line-height: 1.25;
  font-weight: 600;
  color: var(--color-brand-deep);
  margin: 0 0 var(--space-md);
}

h1 { font-size: clamp(2rem, 4.5vw, 3.25rem); }
h2 { font-size: clamp(1.55rem, 3vw, 2.15rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.45rem); }

p { margin: 0 0 var(--space-md); }

ul, ol { margin: 0 0 var(--space-md); padding-left: 1.25rem; }

.visually-hidden {
  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;
}

.section {
  padding: var(--space-xl) 0;
}

.section--tight {
  padding: var(--space-lg) 0;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  min-height: 2.85rem;
  padding: 0.65rem 1.35rem;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.2;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.25s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease), transform 0.25s var(--ease);
}

.btn:hover {
  text-decoration: none;
  transform: translateY(-1px);
}

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

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

.btn--ghost {
  background: transparent;
  color: var(--color-brand-deep);
  border-color: var(--color-line);
}

.btn--ghost:hover {
  border-color: var(--color-brand);
  color: var(--color-brand);
}

.btn--brand {
  background: var(--color-brand);
  color: #fff;
}

.btn--brand:hover {
  background: var(--color-brand-deep);
  color: #fff;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(10px);
  background: rgba(244, 247, 245, 0.9);
  border-bottom: 1px solid var(--color-line);
}

.site-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: var(--space-md);
}

.site-header__brand {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-brand-deep);
  text-decoration: none;
  letter-spacing: -0.01em;
}

.site-header__toggle {
  display: none;
  width: 2.6rem;
  height: 2.6rem;
  border: 1px solid var(--color-line);
  background: #fff;
  border-radius: var(--radius);
  padding: 0.55rem;
  flex-direction: column;
  justify-content: space-between;
  cursor: pointer;
}

.site-header__toggle-bar {
  display: block;
  height: 2px;
  background: var(--color-brand-deep);
}

.site-nav__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav__link {
  color: var(--color-ink-soft);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
}

.site-nav__link:hover,
.site-nav__link.is-active {
  color: var(--color-brand);
}

/* Hero */
.hero {
  position: relative;
  min-height: calc(100vh - var(--header-h));
  display: grid;
  align-items: end;
  color: #f7faf8;
  overflow: hidden;
}

.hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.04);
  animation: heroDrift 18s var(--ease) infinite alternate;
}

.hero__veil {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(100deg, rgba(22, 58, 53, 0.88) 12%, rgba(22, 58, 53, 0.55) 48%, rgba(28, 42, 46, 0.35) 100%),
    linear-gradient(0deg, rgba(22, 58, 53, 0.75), transparent 45%);
}

.hero__content {
  position: relative;
  z-index: 1;
  width: min(100% - 2rem, var(--max));
  margin: 0 auto;
  padding: var(--space-2xl) 0 var(--space-xl);
  max-width: 38rem;
  margin-left: max(1rem, calc((100% - var(--max)) / 2));
  animation: riseIn 0.9s var(--ease) both;
}

.hero__brand {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 6vw, 4rem);
  font-weight: 700;
  color: #fff;
  margin: 0 0 var(--space-sm);
  letter-spacing: -0.02em;
}

.hero__headline {
  font-size: clamp(1.25rem, 2.4vw, 1.7rem);
  font-weight: 500;
  color: #e8f0ec;
  margin: 0 0 var(--space-md);
}

.hero__text {
  color: rgba(247, 250, 248, 0.9);
  margin-bottom: var(--space-lg);
  max-width: 32rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.page-hero {
  padding: var(--space-xl) 0 var(--space-lg);
  border-bottom: 1px solid var(--color-line);
  background:
    linear-gradient(135deg, rgba(31, 79, 72, 0.08), transparent 55%),
    linear-gradient(0deg, transparent, rgba(184, 106, 42, 0.05));
}

.page-hero__title {
  margin-bottom: var(--space-sm);
  animation: riseIn 0.7s var(--ease) both;
}

.page-hero__lead {
  max-width: 40rem;
  color: var(--color-ink-soft);
  margin: 0;
  animation: riseIn 0.8s var(--ease) 0.08s both;
}

/* Offer strip / lists */
.offer-preview {
  display: grid;
  gap: var(--space-lg);
}

.offer-preview__item {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: var(--space-lg);
  align-items: center;
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--color-line);
}

.offer-preview__item:nth-child(even) {
  direction: rtl;
}

.offer-preview__item:nth-child(even) > * {
  direction: ltr;
}

.offer-preview__item img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  filter: saturate(0.92) contrast(1.02);
}

.offer-preview__meta h3 {
  margin-bottom: var(--space-sm);
}

.offer-preview__meta p {
  color: var(--color-ink-soft);
}

.service-list {
  display: grid;
  gap: var(--space-xl);
}

.service-list__row {
  display: grid;
  grid-template-columns: minmax(0, 280px) minmax(0, 1fr);
  gap: var(--space-lg);
  align-items: start;
}

.service-list__row img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.service-list__body h2 {
  margin-bottom: var(--space-sm);
}

.service-list__body p {
  color: var(--color-ink-soft);
}

.prose {
  max-width: 42rem;
}

.prose--wide {
  max-width: 48rem;
}

.split {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-xl);
  align-items: start;
}

.split img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

.evidence {
  display: grid;
  gap: var(--space-lg);
}

.evidence__quote {
  border-left: 3px solid var(--color-accent);
  padding: var(--space-sm) 0 var(--space-sm) var(--space-md);
}

.evidence__quote p {
  font-family: var(--font-display);
  font-size: 1.15rem;
  color: var(--color-brand-deep);
}

.evidence__meta {
  color: var(--color-muted);
  font-size: 0.95rem;
  margin: 0;
}

.story-block {
  padding: var(--space-lg) 0;
  border-top: 1px solid var(--color-line);
}

.story-block h3 {
  margin-bottom: var(--space-xs);
}

.story-block__meta {
  color: var(--color-muted);
  font-size: 0.95rem;
  margin-bottom: var(--space-md);
}

.price-table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--space-lg) 0;
}

.price-table th,
.price-table td {
  text-align: left;
  padding: 0.9rem 0.75rem;
  border-bottom: 1px solid var(--color-line);
  vertical-align: top;
}

.price-table th {
  font-family: var(--font-display);
  color: var(--color-brand-deep);
  font-weight: 600;
}

.note-box {
  background: rgba(31, 79, 72, 0.06);
  border: 1px solid var(--color-line);
  padding: var(--space-md);
  margin: var(--space-lg) 0;
}

.timeline {
  list-style: none;
  padding: 0;
  margin: var(--space-lg) 0;
  border-left: 2px solid var(--color-brand);
}

.timeline li {
  position: relative;
  padding: 0 0 var(--space-lg) var(--space-lg);
}

.timeline li::before {
  content: "";
  position: absolute;
  left: -0.4rem;
  top: 0.35rem;
  width: 0.65rem;
  height: 0.65rem;
  border-radius: 50%;
  background: var(--color-accent);
}

.blog-list {
  display: grid;
  gap: var(--space-xl);
}

.blog-list__item {
  display: grid;
  grid-template-columns: minmax(0, 240px) minmax(0, 1fr);
  gap: var(--space-lg);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--color-line);
}

.blog-list__item img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.blog-list__meta {
  color: var(--color-muted);
  font-size: 0.92rem;
  margin-bottom: var(--space-xs);
}

.post-cover {
  width: 100%;
  max-height: 28rem;
  object-fit: cover;
  margin: var(--space-lg) 0;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-lg);
}

.team-grid figure {
  margin: 0;
}

.team-grid img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  margin-bottom: var(--space-sm);
}

.team-grid figcaption strong {
  display: block;
  font-family: var(--font-display);
  color: var(--color-brand-deep);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
}

.contact-card p {
  margin-bottom: var(--space-sm);
}

.form {
  display: grid;
  gap: var(--space-md);
}

.form__field {
  display: grid;
  gap: 0.35rem;
}

.form__field label {
  font-weight: 600;
  color: var(--color-brand-deep);
}

.form__field input,
.form__field select,
.form__field textarea {
  width: 100%;
  border: 1px solid var(--color-line);
  background: #fff;
  border-radius: var(--radius);
  padding: 0.75rem 0.85rem;
  font: inherit;
  color: var(--color-ink);
}

.form__field textarea {
  min-height: 9rem;
  resize: vertical;
}

.form__field input:focus,
.form__field select:focus,
.form__field textarea:focus {
  outline: 2px solid rgba(31, 79, 72, 0.35);
  border-color: var(--color-brand);
}

.form__error {
  color: var(--color-error);
  font-size: 0.92rem;
  min-height: 1.2em;
}

.form__status {
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--color-line);
  display: none;
}

.form__status.is-success {
  display: block;
  color: var(--color-success);
  background: rgba(31, 90, 61, 0.08);
}

.form__status.is-error {
  display: block;
  color: var(--color-error);
  background: rgba(138, 46, 46, 0.08);
}

.legal h2 {
  margin-top: var(--space-xl);
}

.legal table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--space-md) 0;
  font-size: 0.95rem;
}

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

.cta-band {
  margin: var(--space-xl) 0;
  padding: var(--space-xl) var(--space-lg);
  background:
    linear-gradient(120deg, rgba(31, 79, 72, 0.92), rgba(22, 58, 53, 0.88)),
    url("https://images.unsplash.com/photo-1573164713714-d95e436ab8d6?w=1400&h=500&fit=crop");
  background-size: cover;
  background-position: center;
  color: #f4f8f6;
}

.cta-band h2 {
  color: #fff;
}

.cta-band p {
  max-width: 34rem;
  color: rgba(244, 248, 246, 0.9);
}

.error-page {
  min-height: 60vh;
  display: grid;
  place-content: center;
  text-align: center;
  padding: var(--space-xl) 1rem;
}

/* Footer */
.site-footer {
  margin-top: var(--space-2xl);
  border-top: 1px solid var(--color-line);
  background: #e7eeeb;
  padding: var(--space-xl) 0 var(--space-lg);
}

.site-footer__inner {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: var(--space-lg);
}

.site-footer__brand {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-brand-deep);
  margin: 0 0 var(--space-sm);
}

.site-footer__tag,
.site-footer__contact p {
  color: var(--color-ink-soft);
  margin: 0 0 0.4rem;
}

.site-footer__nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.site-footer__nav a {
  text-decoration: none;
  color: var(--color-ink-soft);
}

.site-footer__nav a:hover {
  color: var(--color-brand);
}

.site-footer__copy {
  width: min(100% - 2rem, var(--max));
  margin: var(--space-lg) auto 0;
  color: var(--color-muted);
  font-size: 0.9rem;
}

/* Cookie banner */
.cookie-banner {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 60;
  padding: 1rem;
  animation: riseIn 0.45s var(--ease);
}

.cookie-banner[hidden] {
  display: none !important;
}

.cookie-banner__inner {
  width: min(100%, 48rem);
  margin: 0 auto;
  background: #fff;
  border: 1px solid var(--color-line);
  box-shadow: var(--shadow-soft);
  padding: var(--space-md);
  display: grid;
  gap: var(--space-md);
}

.cookie-banner__text {
  margin: 0;
  color: var(--color-ink-soft);
  font-size: 0.98rem;
}

.cookie-banner__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  justify-content: flex-end;
}

.session-grid {
  display: grid;
  gap: var(--space-lg);
}

.session-item {
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--color-line);
}

.session-item h3 {
  margin-bottom: var(--space-xs);
}

.session-item__meta {
  color: var(--color-muted);
  margin-bottom: var(--space-sm);
}

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

@keyframes heroDrift {
  from { transform: scale(1.04) translate3d(0, 0, 0); }
  to { transform: scale(1.08) translate3d(-1.5%, -1%, 0); }
}

@media (max-width: 900px) {
  .site-header__toggle {
    display: flex;
  }

  .site-nav {
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: rgba(244, 247, 245, 0.98);
    border-bottom: 1px solid var(--color-line);
    padding: var(--space-md);
    display: none;
  }

  .site-nav.is-open {
    display: block;
  }

  .site-nav__list {
    flex-direction: column;
    gap: 0.75rem;
  }

  .offer-preview__item,
  .offer-preview__item:nth-child(even),
  .service-list__row,
  .blog-list__item,
  .split,
  .contact-grid,
  .site-footer__inner,
  .team-grid {
    grid-template-columns: 1fr;
    direction: ltr;
  }

  .hero {
    min-height: 85vh;
  }
}