:root {
  --color-bg: #eef2f0;
  --color-surface: #ffffff;
  --color-ink: #1c2b2a;
  --color-ink-soft: #3d524f;
  --color-muted: #5f736f;
  --color-accent: #0d6e6e;
  --color-accent-dark: #0a5555;
  --color-accent-soft: #d7ebe8;
  --color-warm: #c4783b;
  --color-border: #c5d0cc;
  --color-error: #a33b2d;
  --color-success: #1f6b4a;
  --font-display: "Prompt", sans-serif;
  --font-body: "Sarabun", sans-serif;
  --radius: 4px;
  --shadow: 0 12px 40px rgba(28, 43, 42, 0.08);
  --space: clamp(1rem, 2vw, 1.5rem);
  --width: 1120px;
  --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: 1.0625rem;
  line-height: 1.7;
  color: var(--color-ink);
  background:
    radial-gradient(ellipse 80% 50% at 100% -10%, rgba(13, 110, 110, 0.09), transparent 55%),
    radial-gradient(ellipse 60% 40% at 0% 100%, rgba(196, 120, 59, 0.07), transparent 50%),
    linear-gradient(180deg, #f4f7f6 0%, var(--color-bg) 40%, #e8eeeb 100%);
  min-height: 100vh;
}

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

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

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

h1, h2, h3, h4 {
  font-family: var(--font-display);
  line-height: 1.25;
  font-weight: 600;
  margin: 0 0 0.65em;
  color: var(--color-ink);
}

h1 { font-size: clamp(2rem, 4.5vw, 3.15rem); }
h2 { font-size: clamp(1.55rem, 3vw, 2.15rem); }
h3 { font-size: 1.25rem; }

p { margin: 0 0 1em; }

ul { margin: 0 0 1em; padding-left: 1.2em; }

.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% - 2 * var(--space), var(--width));
  margin-inline: auto;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 500;
  padding: 0.75rem 1.35rem;
  border-radius: var(--radius);
  border: 2px solid transparent;
  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; }

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

.btn--primary:hover {
  background: var(--color-accent-dark);
  color: #fff;
  transform: translateY(-1px);
}

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

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

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

.btn--warm:hover {
  background: #a8642f;
  color: #fff;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(244, 247, 246, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}

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

.site-header__brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--color-ink);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.site-header__brand:hover { color: var(--color-accent); }

.site-header__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  padding: 0.4rem;
  cursor: pointer;
}

.site-header__toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-ink);
  transition: transform 0.25s var(--ease);
}

.site-nav__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  gap: 0.15rem 1.1rem;
  flex-wrap: wrap;
}

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

.site-nav a:not(.site-nav__cta)::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.25rem;
  width: 100%;
  height: 2px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease);
}

.site-nav a:not(.site-nav__cta):hover::after,
.site-nav a:not(.site-nav__cta)[aria-current="page"]::after {
  transform: scaleX(1);
}

.site-nav__cta {
  background: var(--color-accent);
  color: #fff !important;
  padding: 0.45rem 0.9rem;
  border-radius: var(--radius);
}

.site-nav__cta:hover {
  background: var(--color-accent-dark);
}

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

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: 0.75rem var(--space) 1.25rem;
    display: none;
  }

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

  .site-nav__list {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.85rem;
  }
}

/* Footer */
.site-footer {
  margin-top: 4rem;
  background: var(--color-ink);
  color: #d5e0dd;
  padding: 3rem 0 1.5rem;
}

.site-footer a { color: #b8d4cf; }
.site-footer a:hover { color: #fff; }

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

.site-footer__name {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 0.4rem;
}

.site-footer__heading {
  font-family: var(--font-display);
  font-weight: 600;
  color: #fff;
  margin-bottom: 0.75rem;
}

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

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

.site-footer__bottom {
  width: min(100% - 2 * var(--space), var(--width));
  margin: 2rem auto 0;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 0.9rem;
}

@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-surface);
  border-top: 1px solid var(--color-border);
  box-shadow: 0 -8px 30px rgba(28, 43, 42, 0.1);
  padding: 1rem var(--space);
}

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

.cookie-banner__inner {
  width: min(100%, var(--width));
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.cookie-banner__text {
  margin: 0;
  flex: 1 1 280px;
  font-size: 0.95rem;
  color: var(--color-ink-soft);
}

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

/* Sections */
.section {
  padding: clamp(2.5rem, 6vw, 4.5rem) 0;
}

.section--tight { padding: 2rem 0; }

.section__eyebrow {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.5rem;
}

.section__lead {
  font-size: 1.125rem;
  color: var(--color-ink-soft);
  max-width: 38rem;
}

.page-hero {
  padding: clamp(2.5rem, 7vw, 4.5rem) 0 2rem;
}

.page-hero__grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2.5rem;
  align-items: end;
}

.page-hero__media {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  min-height: 320px;
}

.page-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 320px;
  animation: riseIn 0.9s var(--ease) both;
}

.page-hero--split .page-hero__copy {
  animation: fadeSlide 0.7s var(--ease) both;
}

.home-hero {
  position: relative;
  min-height: min(88vh, 720px);
  display: grid;
  align-items: end;
  overflow: hidden;
  background: #1c2b2a;
}

.home-hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.55;
  animation: slowZoom 18s ease-in-out alternate infinite;
}

.home-hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(28, 43, 42, 0.35) 0%, rgba(28, 43, 42, 0.82) 70%, rgba(28, 43, 42, 0.95) 100%);
}

.home-hero__content {
  position: relative;
  z-index: 1;
  width: min(100% - 2 * var(--space), var(--width));
  margin: 0 auto;
  padding: 5rem 0 3.5rem;
  color: #f4f7f6;
  max-width: 40rem;
  animation: fadeSlide 0.85s var(--ease) 0.15s both;
}

.home-hero__brand {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 7vw, 4.4rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin: 0 0 1rem;
  color: #fff;
}

.home-hero__headline {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.5vw, 1.65rem);
  font-weight: 500;
  margin: 0 0 0.85rem;
  color: #d7ebe8;
}

.home-hero__text {
  color: #c5d4d0;
  margin-bottom: 1.75rem;
  font-size: 1.1rem;
}

.home-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

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

/* Offer preview */
.offer-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.offer-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: 1.35rem 1.25rem;
  border-radius: var(--radius);
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease);
}

.offer-item:hover {
  border-color: var(--color-accent);
  transform: translateY(-3px);
}

.offer-item h3 {
  margin-bottom: 0.4rem;
  font-size: 1.1rem;
}

.offer-item p {
  color: var(--color-muted);
  font-size: 0.98rem;
  margin-bottom: 0.75rem;
}

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

/* Service cards */
.service-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.service-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: box-shadow 0.3s var(--ease);
}

.service-card:hover {
  box-shadow: var(--shadow);
}

.service-card__img {
  aspect-ratio: 3 / 2;
  overflow: hidden;
}

.service-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease);
}

.service-card:hover .service-card__img img {
  transform: scale(1.04);
}

.service-card__body {
  padding: 1.25rem 1.35rem 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.service-card__body p {
  color: var(--color-muted);
  flex: 1;
}

.service-card__meta {
  font-family: var(--font-display);
  font-size: 0.88rem;
  color: var(--color-accent);
  font-weight: 500;
  margin-bottom: 0.75rem;
}

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

/* Process steps */
.steps {
  display: grid;
  gap: 1rem;
  counter-reset: step;
}

.step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  background: var(--color-surface);
  border-left: 3px solid var(--color-accent);
  padding: 1.1rem 1.25rem;
  border-radius: 0 var(--radius) var(--radius) 0;
}

.step__num {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.4rem;
  color: var(--color-accent);
  line-height: 1;
}

/* Pricing */
.rate-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
}

.rate-table th,
.rate-table td {
  text-align: left;
  padding: 1rem 1.15rem;
  border-bottom: 1px solid var(--color-border);
  vertical-align: top;
}

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

.rate-table tr:last-child td { border-bottom: 0; }

.rate-note {
  background: var(--color-surface);
  border: 1px dashed var(--color-border);
  padding: 1.25rem 1.4rem;
  border-radius: var(--radius);
  margin-top: 1.5rem;
}

/* Reviews */
.review-list {
  display: grid;
  gap: 1.25rem;
}

.review {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: 1.4rem 1.5rem;
  border-radius: var(--radius);
}

.review__text {
  font-size: 1.05rem;
  margin-bottom: 1rem;
}

.review__meta {
  font-family: var(--font-display);
  font-size: 0.92rem;
  color: var(--color-muted);
}

.review__meta strong {
  color: var(--color-ink);
  font-weight: 600;
}

.story-block {
  margin-top: 2.5rem;
  padding: 2rem;
  background: var(--color-accent-soft);
  border-radius: var(--radius);
}

/* Blog */
.post-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.post-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
}

.post-card__img {
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

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

.post-card__body {
  padding: 1.2rem 1.3rem 1.4rem;
}

.post-card__date {
  font-size: 0.88rem;
  color: var(--color-muted);
  margin-bottom: 0.35rem;
}

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

.prose {
  max-width: 42rem;
}

.prose p + p { margin-top: 0.25rem; }

/* Forms */
.form {
  display: grid;
  gap: 1.1rem;
  max-width: 36rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: 1.75rem;
  border-radius: var(--radius);
}

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

.form__field label {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.95rem;
}

.form__field input,
.form__field select,
.form__field textarea {
  font: inherit;
  padding: 0.7rem 0.85rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: #fff;
  color: var(--color-ink);
  transition: border-color 0.2s;
}

.form__field input:focus,
.form__field select:focus,
.form__field textarea:focus {
  outline: 2px solid var(--color-accent-soft);
  border-color: var(--color-accent);
}

.form__error {
  color: var(--color-error);
  font-size: 0.88rem;
  min-height: 1.2em;
}

.form__status {
  padding: 0.85rem 1rem;
  border-radius: var(--radius);
  font-weight: 500;
}

.form__status--success {
  background: #e4f3eb;
  color: var(--color-success);
}

.form__status--error {
  background: #f8e8e5;
  color: var(--color-error);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 0.85fr;
  gap: 2.5rem;
  align-items: start;
}

.contact-details {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: 1.5rem;
  border-radius: var(--radius);
}

.contact-details dt {
  font-family: var(--font-display);
  font-weight: 600;
  margin-top: 0.85rem;
}

.contact-details dd {
  margin: 0.2rem 0 0;
  color: var(--color-ink-soft);
}

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

/* Legal */
.legal {
  max-width: 44rem;
}

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

.cookie-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
  margin: 1.25rem 0;
}

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

.cookie-table th {
  background: var(--color-accent-soft);
  font-family: var(--font-display);
}

/* Detail lists */
.detail-list {
  list-style: none;
  padding: 0;
  margin: 0 0 1.5rem;
}

.detail-list li {
  padding: 0.55rem 0 0.55rem 1.1rem;
  border-bottom: 1px solid var(--color-border);
  position: relative;
}

.detail-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1rem;
  width: 6px;
  height: 6px;
  background: var(--color-accent);
  border-radius: 50%;
}

.split-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

@media (max-width: 700px) {
  .split-2 { grid-template-columns: 1fr; }
}

.team-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.team-card {
  text-align: center;
}

.team-card img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: var(--radius);
  margin-bottom: 0.85rem;
}

.team-card h3 {
  margin-bottom: 0.25rem;
  font-size: 1.05rem;
}

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

@media (max-width: 700px) {
  .team-row { grid-template-columns: 1fr; max-width: 280px; margin-inline: auto; }
}

.field-timeline {
  display: grid;
  gap: 0;
  border-left: 2px solid var(--color-accent);
  margin-left: 0.5rem;
  padding-left: 1.5rem;
}

.field-timeline__item {
  position: relative;
  padding-bottom: 1.75rem;
}

.field-timeline__item::before {
  content: "";
  position: absolute;
  left: -1.85rem;
  top: 0.35rem;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-warm);
  border: 2px solid var(--color-bg);
}

.cta-band {
  background: var(--color-ink);
  color: #e8f0ee;
  padding: clamp(2.5rem, 5vw, 3.5rem) 0;
  margin-top: 2rem;
}

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

.cta-band p { color: #b8c9c5; max-width: 36rem; }

.error-page {
  text-align: center;
  padding: 6rem 0;
}

.error-page__code {
  font-family: var(--font-display);
  font-size: 5rem;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@keyframes fadeSlide {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: none; }
}

@keyframes riseIn {
  from { opacity: 0; transform: scale(1.04); }
  to { opacity: 1; transform: none; }
}

@keyframes slowZoom {
  from { transform: scale(1); }
  to { transform: scale(1.06); }
}