:root {
  --color-bg: #eef3f2;
  --color-bg-elevated: #f7faf9;
  --color-surface: #ffffff;
  --color-ink: #1e2a28;
  --color-ink-soft: #4a5c58;
  --color-primary: #1a4542;
  --color-primary-deep: #123532;
  --color-accent: #a67c52;
  --color-accent-soft: #e8d5c0;
  --color-line: #cfdad7;
  --color-success: #2d6a4f;
  --color-error: #9b3b3b;
  --font-display: "Prompt", sans-serif;
  --font-body: "Sarabun", sans-serif;
  --space-xs: 0.5rem;
  --space-sm: 0.85rem;
  --space-md: 1.25rem;
  --space-lg: 2rem;
  --space-xl: 3.5rem;
  --space-2xl: 5.5rem;
  --radius: 4px;
  --shadow-soft: 0 18px 40px rgba(26, 69, 66, 0.08);
  --header-h: 4.5rem;
  --max: 1120px;
  --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: 1.7;
  color: var(--color-ink);
  background:
    radial-gradient(ellipse 80% 50% at 10% -10%, rgba(166, 124, 82, 0.12), transparent 55%),
    radial-gradient(ellipse 60% 40% at 90% 0%, rgba(26, 69, 66, 0.1), transparent 50%),
    linear-gradient(180deg, #e8efed 0%, var(--color-bg) 35%, #e6eceb 100%);
  min-height: 100vh;
}

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

a {
  color: var(--color-primary);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
  transition: color 0.25s var(--ease);
}

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

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.25;
  color: var(--color-primary-deep);
  margin: 0 0 0.75rem;
}

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;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(247, 250, 249, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-line);
  animation: headerIn 0.7s var(--ease) both;
}

@keyframes headerIn {
  from { transform: translateY(-100%); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.header-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0.85rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: var(--header-h);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: inherit;
}

.brand-mark {
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 10px;
  background:
    radial-gradient(circle at 75% 28%, var(--color-accent) 0 18%, transparent 19%),
    linear-gradient(145deg, var(--color-primary) 0%, #2a6a65 100%);
  flex-shrink: 0;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--color-primary-deep);
  letter-spacing: -0.02em;
}

.brand-tag {
  font-size: 0.75rem;
  color: var(--color-ink-soft);
  letter-spacing: 0.04em;
}

.nav-toggle {
  display: none;
  width: 2.75rem;
  height: 2.75rem;
  border: 1px solid var(--color-line);
  background: var(--color-surface);
  border-radius: var(--radius);
  cursor: pointer;
  align-items: center;
  justify-content: center;
}

.nav-toggle-bar,
.nav-toggle-bar::before,
.nav-toggle-bar::after {
  display: block;
  width: 1.15rem;
  height: 2px;
  background: var(--color-primary);
  position: relative;
  transition: transform 0.25s var(--ease);
}

.nav-toggle-bar::before,
.nav-toggle-bar::after {
  content: "";
  position: absolute;
  left: 0;
}

.nav-toggle-bar::before { top: -6px; }
.nav-toggle-bar::after { top: 6px; }

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

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

.nav-list a:hover,
.nav-list a[aria-current="page"] {
  color: var(--color-primary);
}

.nav-cta {
  background: var(--color-primary);
  color: #fff !important;
  padding: 0.45rem 0.95rem;
  border-radius: var(--radius);
}

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

main {
  overflow-x: hidden;
}

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 1.25rem;
}

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

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

.eyebrow {
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.6rem;
}

.lead {
  font-size: 1.15rem;
  color: var(--color-ink-soft);
  max-width: 40rem;
}

.hero {
  position: relative;
  min-height: calc(100vh - var(--header-h));
  display: grid;
  align-items: end;
  color: #f4f8f7;
}

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

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  animation: heroZoom 18s var(--ease) infinite alternate;
}

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

.hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(100deg, rgba(18, 53, 50, 0.88) 0%, rgba(18, 53, 50, 0.55) 48%, rgba(18, 53, 50, 0.25) 100%),
    linear-gradient(to top, rgba(18, 53, 50, 0.7), transparent 45%);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: var(--max);
  margin: 0 auto;
  padding: 4.5rem 1.25rem 3.5rem;
  width: 100%;
}

.hero h1 {
  color: #fff;
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  max-width: 14ch;
  margin-bottom: 1rem;
  animation: riseIn 0.9s var(--ease) 0.15s both;
}

.hero .lead {
  color: rgba(244, 248, 247, 0.9);
  animation: riseIn 0.9s var(--ease) 0.3s both;
}

.hero-actions {
  margin-top: 1.75rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  animation: riseIn 0.9s var(--ease) 0.45s both;
}

@keyframes riseIn {
  from { opacity: 0; transform: translateY(1.2rem); }
  to { opacity: 1; transform: translateY(0); }
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.8rem 1.35rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font-family: var(--font-display);
  font-size: 0.98rem;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.25s var(--ease), background 0.25s var(--ease), border-color 0.25s var(--ease), color 0.25s var(--ease);
}

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

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

.btn-primary:hover {
  background: #916840;
  color: #fff;
}

.btn-ghost {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.45);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
}

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

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

.page-hero {
  padding: 3.5rem 0 2rem;
  border-bottom: 1px solid var(--color-line);
  background:
    linear-gradient(135deg, rgba(26, 69, 66, 0.06), transparent 55%),
    var(--color-bg-elevated);
}

.page-hero h1 {
  font-size: clamp(1.9rem, 4vw, 2.8rem);
  max-width: 18ch;
}

.page-hero.with-image {
  padding: 0;
  border: 0;
  position: relative;
  min-height: 48vh;
  display: grid;
  align-items: end;
  color: #fff;
}

.page-hero.with-image .page-hero-media {
  position: absolute;
  inset: 0;
}

.page-hero.with-image .page-hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-hero.with-image .page-hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(18, 53, 50, 0.85), rgba(18, 53, 50, 0.35));
}

.page-hero.with-image .wrap {
  position: relative;
  z-index: 1;
  padding-top: 5rem;
  padding-bottom: 2.5rem;
}

.page-hero.with-image h1,
.page-hero.with-image .lead {
  color: #fff;
}

.split {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 2.5rem;
  align-items: center;
}

.split.reverse {
  grid-template-columns: 0.95fr 1.05fr;
}

.split.reverse .split-copy {
  order: 2;
}

.media-frame {
  position: relative;
  overflow: hidden;
  border-radius: 2px;
  box-shadow: var(--shadow-soft);
}

.media-frame img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.media-frame::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--color-accent);
  z-index: 1;
}

.offer-grid,
.card-grid,
.blog-grid,
.review-grid {
  display: grid;
  gap: 1.5rem;
}

.offer-grid {
  grid-template-columns: repeat(3, 1fr);
}

.card-grid {
  grid-template-columns: repeat(2, 1fr);
}

.blog-grid {
  grid-template-columns: repeat(3, 1fr);
}

.offer-item,
.blog-card,
.price-block,
.review-card,
.step-card {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: 2px;
  overflow: hidden;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease);
}

.offer-item:hover,
.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-soft);
}

.offer-item img,
.blog-card img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.offer-body,
.blog-body,
.price-block,
.review-card,
.step-card {
  padding: 1.35rem 1.4rem 1.5rem;
}

.offer-item h3,
.blog-card h3 {
  font-size: 1.2rem;
}

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

.quote-list {
  display: grid;
  gap: 1.25rem;
}

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

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

.quote-block p {
  font-size: 1.12rem;
  color: var(--color-ink);
}

.quote-meta {
  font-size: 0.92rem;
  color: var(--color-ink-soft);
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  counter-reset: step;
}

.step-card {
  position: relative;
  padding-top: 2.2rem;
}

.step-card::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  position: absolute;
  top: 1rem;
  left: 1.35rem;
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  color: var(--color-accent);
}

.price-stack {
  display: grid;
  gap: 1.25rem;
}

.price-block h3 {
  margin-bottom: 0.35rem;
}

.price-amount {
  font-family: var(--font-display);
  font-size: 1.8rem;
  color: var(--color-primary);
  margin: 0.5rem 0 0.85rem;
}

.price-note {
  font-size: 0.95rem;
  color: var(--color-ink-soft);
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--color-line);
  background: var(--color-surface);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

th, td {
  text-align: left;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--color-line);
  vertical-align: top;
}

th {
  background: rgba(26, 69, 66, 0.06);
  font-family: var(--font-display);
  font-weight: 600;
}

.form {
  display: grid;
  gap: 1rem;
  max-width: 36rem;
}

.form-row {
  display: grid;
  gap: 0.4rem;
}

.form-row.two {
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

label {
  font-weight: 600;
  font-size: 0.95rem;
}

input,
select,
textarea {
  width: 100%;
  padding: 0.75rem 0.9rem;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  font: inherit;
  background: var(--color-surface);
  color: var(--color-ink);
}

input:focus,
select:focus,
textarea:focus {
  outline: 2px solid rgba(26, 69, 66, 0.35);
  border-color: var(--color-primary);
}

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

.form-status {
  padding: 0.85rem 1rem;
  border-radius: var(--radius);
  display: none;
}

.form-status.is-success {
  display: block;
  background: rgba(45, 106, 79, 0.12);
  color: var(--color-success);
  border: 1px solid rgba(45, 106, 79, 0.25);
}

.form-status.is-error {
  display: block;
  background: rgba(155, 59, 59, 0.1);
  color: var(--color-error);
  border: 1px solid rgba(155, 59, 59, 0.25);
}

.contact-panel {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2rem;
}

.contact-aside {
  background: var(--color-primary);
  color: #eef5f4;
  padding: 1.75rem;
  border-radius: 2px;
}

.contact-aside h2 {
  color: #fff;
}

.contact-aside a {
  color: #f0d9bf;
}

.contact-aside address {
  font-style: normal;
  margin-bottom: 1rem;
}

.legal-content {
  max-width: 46rem;
}

.legal-content h2 {
  margin-top: 2rem;
}

.prose {
  max-width: 44rem;
}

.prose h2 {
  margin-top: 2.25rem;
}

.article-hero img {
  width: 100%;
  max-height: 420px;
  object-fit: cover;
  margin: 1.5rem 0 2rem;
}

.site-footer {
  margin-top: var(--space-2xl);
  background: var(--color-primary-deep);
  color: #d7e4e1;
  padding-top: 3rem;
}

.footer-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 1.25rem 2rem;
  display: grid;
  gap: 2rem;
}

.footer-name {
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: #fff;
  margin-bottom: 0.5rem;
}

.footer-desc {
  max-width: 28rem;
  color: #b7c9c5;
}

.footer-cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.footer-col h2 {
  font-size: 0.95rem;
  color: var(--color-accent-soft);
  margin-bottom: 0.85rem;
}

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

.footer-col li {
  margin-bottom: 0.45rem;
}

.footer-col a {
  color: #d7e4e1;
  text-decoration: none;
}

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

.footer-address {
  font-style: normal;
  margin-bottom: 0.75rem;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding: 1rem 1.25rem;
  max-width: var(--max);
  margin: 0 auto;
  font-size: 0.9rem;
  color: #9eb3ae;
}

.cookie-banner {
  position: fixed;
  left: 1rem;
  right: 1rem;
  bottom: 1rem;
  z-index: 60;
  max-width: 34rem;
  margin-left: auto;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  box-shadow: var(--shadow-soft);
  padding: 1.15rem 1.25rem;
  border-radius: 2px;
  display: none;
}

.cookie-banner.is-visible {
  display: block;
  animation: riseIn 0.45s var(--ease);
}

.cookie-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 0.9rem;
}

.inline-error {
  margin: 1rem 1.25rem;
  padding: 0.85rem 1rem;
  background: rgba(155, 59, 59, 0.1);
  color: var(--color-error);
  border: 1px solid rgba(155, 59, 59, 0.25);
  border-radius: var(--radius);
}

.reveal {
  opacity: 0;
  transform: translateY(1.25rem);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

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

.cta-band {
  background: linear-gradient(120deg, var(--color-primary) 0%, #24605c 55%, #315f4f 100%);
  color: #fff;
  padding: 2.75rem 0;
  margin-top: var(--space-lg);
}

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

.cta-band .lead {
  color: rgba(255, 255, 255, 0.88);
}

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

.portrait {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
}

.portrait img {
  width: 100%;
  aspect-ratio: 1 / 1.15;
  object-fit: cover;
}

.portrait-body {
  padding: 1rem 1.1rem 1.25rem;
}

.muted {
  color: var(--color-ink-soft);
}

.error-page {
  min-height: 60vh;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 3rem 1.25rem;
}

.error-page h1 {
  font-size: clamp(3rem, 10vw, 6rem);
  margin-bottom: 0.25rem;
}

@media (max-width: 960px) {
  .offer-grid,
  .blog-grid,
  .steps,
  .portrait-grid,
  .footer-cols {
    grid-template-columns: 1fr 1fr;
  }

  .split,
  .split.reverse,
  .contact-panel {
    grid-template-columns: 1fr;
  }

  .split.reverse .split-copy {
    order: 0;
  }
}

@media (max-width: 760px) {
  .nav-toggle {
    display: inline-flex;
  }

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

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

  .nav-list {
    flex-direction: column;
    align-items: flex-start;
  }

  .offer-grid,
  .blog-grid,
  .card-grid,
  .steps,
  .portrait-grid,
  .footer-cols,
  .form-row.two {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: 78vh;
  }
}