:root {
  --color-ink: #1a2421;
  --color-ink-soft: #3d4a45;
  --color-muted: #5c6b64;
  --color-paper: #f7f4ef;
  --color-paper-deep: #ebe4d8;
  --color-forest: #1b4d3e;
  --color-forest-deep: #12362c;
  --color-leaf: #2f6b55;
  --color-accent: #c47a3a;
  --color-accent-soft: #e8c9a8;
  --color-line: rgba(26, 36, 33, 0.12);
  --color-white: #ffffff;
  --color-danger: #8b2e2e;
  --color-success: #1b4d3e;
  --font-display: "Prompt", sans-serif;
  --font-body: "IBM Plex Sans Thai", sans-serif;
  --space-xs: 0.35rem;
  --space-sm: 0.75rem;
  --space-md: 1.25rem;
  --space-lg: 2rem;
  --space-xl: 3.5rem;
  --space-2xl: 5.5rem;
  --radius: 2px;
  --radius-md: 8px;
  --shadow-soft: 0 18px 40px rgba(18, 54, 44, 0.08);
  --max: 70rem;
  --header-h: 4.25rem;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--color-ink);
  background:
    radial-gradient(ellipse 80% 50% at 10% -10%, rgba(47, 107, 85, 0.12), transparent 55%),
    radial-gradient(ellipse 60% 40% at 100% 0%, rgba(196, 122, 58, 0.1), transparent 50%),
    linear-gradient(180deg, var(--color-paper) 0%, #f3efe8 40%, var(--color-paper) 100%);
  min-height: 100vh;
}

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

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

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

h1, h2, h3, h4 {
  font-family: var(--font-display);
  line-height: 1.25;
  font-weight: 600;
  color: var(--color-forest-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: 1.25rem; }

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__eyebrow {
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.section__lead {
  font-size: 1.12rem;
  color: var(--color-ink-soft);
  max-width: 40rem;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(247, 244, 239, 0.92);
  backdrop-filter: blur(10px);
  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-weight: 700;
  font-size: 1.15rem;
  color: var(--color-forest);
  text-decoration: none;
  letter-spacing: -0.01em;
}

.site-header__toggle {
  display: none;
  width: 2.75rem;
  height: 2.75rem;
  border: 1px solid var(--color-line);
  background: var(--color-white);
  border-radius: var(--radius-md);
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

.site-header__toggle span {
  display: block;
  width: 1.15rem;
  height: 2px;
  background: var(--color-forest);
}

.site-nav__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  gap: 1.1rem;
  flex-wrap: wrap;
}

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

.site-nav a:hover {
  color: var(--color-forest);
}

.site-nav__cta {
  display: inline-flex;
  align-items: center;
  padding: 0.55rem 1rem;
  background: var(--color-forest);
  color: var(--color-paper) !important;
  border-radius: var(--radius-md);
  transition: transform 0.2s ease, background 0.2s ease;
}

.site-nav__cta:hover {
  background: var(--color-forest-deep);
  transform: translateY(-1px);
}

@media (max-width: 900px) {
  .site-header__toggle { display: inline-flex; }
  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-paper);
    border-bottom: 1px solid var(--color-line);
    padding: var(--space-md) 1rem;
    display: none;
  }
  .site-nav.is-open { display: block; animation: nav-in 0.25s ease; }
  .site-nav__list {
    flex-direction: column;
    align-items: flex-start;
  }
}

@keyframes nav-in {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.75rem 1.35rem;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.btn:hover { transform: translateY(-1px); }

.btn--primary {
  background: var(--color-forest);
  color: var(--color-paper);
}

.btn--primary:hover {
  background: var(--color-forest-deep);
  color: var(--color-paper);
}

.btn--ghost {
  background: transparent;
  border-color: var(--color-forest);
  color: var(--color-forest);
}

.btn--ghost:hover {
  background: rgba(27, 77, 62, 0.06);
  color: var(--color-forest-deep);
}

.btn--on-dark {
  border-color: var(--color-paper);
  color: var(--color-paper);
}

.btn--on-dark:hover {
  background: rgba(243, 237, 227, 0.12);
  color: var(--color-paper);
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

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

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

.hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__shade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(18, 54, 44, 0.35) 0%, rgba(18, 54, 44, 0.78) 70%, rgba(18, 54, 44, 0.92) 100%);
}

.hero__content {
  position: relative;
  z-index: 1;
  width: min(100% - 2rem, var(--max));
  margin: 0 auto;
  padding: var(--space-2xl) 0 var(--space-xl);
  animation: rise 0.8s ease both;
}

.hero__brand {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 var(--space-sm);
  color: var(--color-paper);
}

.hero__title {
  font-size: clamp(1.25rem, 2.4vw, 1.7rem);
  font-weight: 500;
  color: var(--color-accent-soft);
  margin: 0 0 var(--space-md);
  max-width: 28rem;
}

.hero__text {
  max-width: 34rem;
  color: rgba(243, 237, 227, 0.92);
  font-size: 1.08rem;
}

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

/* Offer strip */
.offer-preview {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-xl);
  align-items: center;
}

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

.offer-preview__image {
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  aspect-ratio: 4 / 3;
}

.offer-preview__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Service list */
.service-list {
  display: grid;
  gap: var(--space-lg);
}

.service-item {
  display: grid;
  grid-template-columns: 12rem 1fr;
  gap: var(--space-lg);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--color-line);
  align-items: start;
  text-decoration: none;
  color: inherit;
  transition: opacity 0.2s ease;
}

.service-item:hover { opacity: 0.88; }

.service-item__image {
  aspect-ratio: 1;
  overflow: hidden;
  border-radius: var(--radius-md);
}

.service-item__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.service-item h3 {
  margin-bottom: var(--space-xs);
  color: var(--color-forest);
}

.service-item p {
  color: var(--color-ink-soft);
  margin-bottom: var(--space-sm);
}

.service-item__meta {
  font-size: 0.92rem;
  color: var(--color-muted);
}

@media (max-width: 700px) {
  .service-item { grid-template-columns: 1fr; }
  .service-item__image { max-width: 16rem; }
}

/* Cards only for interactive containers */
.panel {
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  box-shadow: var(--shadow-soft);
}

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

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

.quote-block:first-child { border-top: 0; }

.quote-block__text {
  font-size: 1.08rem;
  color: var(--color-ink);
  margin-bottom: var(--space-sm);
}

.quote-block__meta {
  color: var(--color-muted);
  font-size: 0.95rem;
}

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

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

.story__image {
  border-radius: var(--radius-md);
  overflow: hidden;
  min-height: 16rem;
}

.story__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Blog */
.post-list {
  display: grid;
  gap: var(--space-xl);
}

.post-teaser {
  display: grid;
  grid-template-columns: 18rem 1fr;
  gap: var(--space-lg);
  text-decoration: none;
  color: inherit;
}

.post-teaser__image {
  aspect-ratio: 16 / 11;
  overflow: hidden;
  border-radius: var(--radius-md);
}

.post-teaser__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.45s ease;
}

.post-teaser:hover .post-teaser__image img {
  transform: scale(1.04);
}

.post-teaser__date {
  color: var(--color-muted);
  font-size: 0.9rem;
}

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

.prose {
  max-width: 42rem;
}

.prose p + p { margin-top: var(--space-md); }

.page-hero {
  padding: var(--space-xl) 0 var(--space-lg);
}

.page-hero--media {
  position: relative;
  min-height: 42vh;
  display: flex;
  align-items: flex-end;
  color: var(--color-paper);
  margin-bottom: var(--space-lg);
}

.page-hero--media .page-hero__shade {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(18,54,44,0.25), rgba(18,54,44,0.88));
}

.page-hero--media .wrap {
  position: relative;
  z-index: 1;
  padding-bottom: var(--space-lg);
}

.page-hero--media h1,
.page-hero--media .section__lead {
  color: var(--color-paper);
}

.page-hero--media .section__lead {
  opacity: 0.9;
}

.page-hero__bg {
  position: absolute;
  inset: 0;
}

.page-hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Pricing */
.rate-table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--space-lg) 0;
}

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

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

.rate-note {
  background: rgba(27, 77, 62, 0.06);
  border-left: 3px solid var(--color-forest);
  padding: var(--space-md);
  margin: var(--space-lg) 0;
}

/* Process steps */
.steps {
  counter-reset: step;
  display: grid;
  gap: var(--space-lg);
  list-style: none;
  padding: 0;
  margin: var(--space-lg) 0;
}

.steps li {
  position: relative;
  padding-left: 4rem;
}

.steps li::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-accent);
}

/* Forms */
.form {
  display: grid;
  gap: var(--space-md);
  max-width: 36rem;
}

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

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

.form__field input,
.form__field select,
.form__field textarea {
  font: inherit;
  padding: 0.7rem 0.85rem;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-white);
  color: var(--color-ink);
}

.form__field textarea { min-height: 8rem; resize: vertical; }

.form__field input:focus,
.form__field select:focus,
.form__field textarea:focus {
  outline: 2px solid var(--color-leaf);
  outline-offset: 1px;
}

.form__error {
  color: var(--color-danger);
  font-size: 0.9rem;
  min-height: 1.2em;
}

.form__status {
  padding: var(--space-md);
  border-radius: var(--radius-md);
  display: none;
}

.form__status.is-success {
  display: block;
  background: rgba(27, 77, 62, 0.1);
  color: var(--color-success);
}

.form__status.is-error {
  display: block;
  background: rgba(139, 46, 46, 0.1);
  color: var(--color-danger);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--space-xl);
}

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

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

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

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

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

.legal th {
  background: rgba(27, 77, 62, 0.06);
}

/* Footer */
.site-footer {
  margin-top: var(--space-2xl);
  background: var(--color-forest-deep);
  color: rgba(243, 237, 227, 0.88);
  padding: var(--space-xl) 0 var(--space-lg);
}

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

.site-footer a:hover { text-decoration: underline; }

.site-footer__inner {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 1fr;
  gap: var(--space-lg);
}

.site-footer__name {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-paper);
  margin-bottom: var(--space-xs);
}

.site-footer__heading {
  font-family: var(--font-display);
  color: var(--color-paper);
  margin-bottom: var(--space-sm);
}

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

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

.site-footer__copy {
  width: min(100% - 2rem, var(--max));
  margin: var(--space-lg) auto 0;
  padding-top: var(--space-md);
  border-top: 1px solid rgba(243, 237, 227, 0.15);
  font-size: 0.9rem;
  color: rgba(243, 237, 227, 0.65);
}

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

@media (max-width: 520px) {
  .site-footer__inner { grid-template-columns: 1fr; }
}

/* Cookie banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 50;
  background: var(--color-white);
  border-top: 1px solid var(--color-line);
  box-shadow: 0 -12px 30px rgba(18, 54, 44, 0.12);
  padding: var(--space-md) 0;
  animation: rise 0.35s ease;
}

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

.cookie-banner__inner {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.cookie-banner__title {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--color-forest);
  margin-bottom: 0.25rem;
}

.cookie-banner__actions {
  display: flex;
  gap: var(--space-sm);
  flex-shrink: 0;
}

.cookie-banner__error {
  width: min(100% - 2rem, var(--max));
  margin: var(--space-sm) auto 0;
  color: var(--color-danger);
}

/* 404 */
.error-page {
  min-height: 60vh;
  display: grid;
  place-content: center;
  text-align: center;
  padding: var(--space-xl) 1rem;
}

.detail-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr));
  gap: var(--space-md);
  margin: var(--space-lg) 0;
  padding: var(--space-md) 0;
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
}

.detail-meta dt {
  font-size: 0.85rem;
  color: var(--color-muted);
  margin-bottom: 0.2rem;
}

.detail-meta dd {
  margin: 0;
  font-weight: 600;
  color: var(--color-forest);
}

.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}