:root {
  --quartz: #f4f1ea;
  --quartz-2: #ebe6dc;
  --silver: #f8f9fc;
  --ink: #182033;
  --ink-soft: #3a465c;
  --muted: #5c6a80;
  --line: rgba(24, 32, 51, 0.12);
  --emerald: #1c8f70;
  --emerald-bright: #3ee0b0;
  --violet: #6a46b8;
  --violet-glow: #c4b0ff;
  --cyan: #2ad3ea;
  --white: #fffcf7;
  --shadow: 0 18px 40px rgba(42, 36, 78, 0.12);
  --radius: 22px;
  --font-display: "Prompt", "Noto Sans Thai", sans-serif;
  --font-body: "Noto Sans Thai", "Prompt", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background:
    radial-gradient(1200px 700px at 8% -10%, rgba(62, 224, 176, 0.28), transparent 55%),
    radial-gradient(900px 600px at 100% 0%, rgba(196, 176, 255, 0.35), transparent 50%),
    radial-gradient(800px 500px at 70% 100%, rgba(42, 211, 234, 0.18), transparent 45%),
    linear-gradient(180deg, #e7eef7 0%, var(--quartz) 38%, #e4ebe8 100%);
  min-height: 100vh;
  line-height: 1.7;
}

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

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

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

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

.skip-link {
  position: absolute;
  left: 1rem;
  top: -3rem;
  background: var(--ink);
  color: var(--silver);
  padding: 0.5rem 0.8rem;
  z-index: 80;
}

.skip-link:focus {
  top: 0.6rem;
}

.shell {
  width: min(1120px, calc(100% - 2rem));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(16px);
  background: linear-gradient(180deg, rgba(247, 249, 252, 0.86), rgba(244, 241, 234, 0.7));
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 0;
}

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

.brand-mark {
  width: 1.7rem;
  height: 1.7rem;
  clip-path: polygon(50% 0, 100% 25%, 100% 75%, 50% 100%, 0 75%, 0 25%);
  background:
    linear-gradient(135deg, var(--emerald-bright), var(--violet) 55%, var(--cyan));
  box-shadow: 0 0 18px rgba(62, 224, 176, 0.45);
}

.nav-toggle {
  display: none;
  width: 2.6rem;
  height: 2.6rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255, 252, 247, 0.7);
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  height: 2px;
  margin: 5px 6px;
  background: var(--ink);
}

.site-nav {
  display: flex;
  gap: 1.15rem;
  align-items: center;
}

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

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

.crystal {
  background:
    linear-gradient(160deg, rgba(255, 255, 255, 0.72), rgba(255, 255, 255, 0.28) 42%, rgba(196, 176, 255, 0.12)),
    linear-gradient(20deg, rgba(62, 224, 176, 0.08), transparent 40%);
  border: 1px solid rgba(255, 255, 255, 0.7);
  box-shadow: var(--shadow), inset 0 1px 0 rgba(255, 255, 255, 0.8);
  border-radius: var(--radius);
  position: relative;
  overflow: hidden;
}

.crystal::after {
  content: "";
  position: absolute;
  inset: -40% 40% auto -20%;
  height: 80%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.45), transparent);
  transform: rotate(18deg);
  pointer-events: none;
}

.hero {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 2rem;
  padding: 3.2rem 0 2.4rem;
  align-items: stretch;
}

.hero-copy {
  padding: 2.2rem 2rem;
}

.kicker {
  display: inline-block;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.78rem;
  color: var(--emerald);
  font-weight: 700;
  margin: 0 0 0.8rem;
}

h1, h2, h3, .display {
  font-family: var(--font-display);
  line-height: 1.25;
  margin: 0 0 0.8rem;
}

h1 {
  font-size: clamp(2rem, 4vw, 3.3rem);
  font-weight: 700;
}

h2 {
  font-size: clamp(1.5rem, 2.6vw, 2.1rem);
}

.lede {
  font-size: 1.08rem;
  color: var(--ink-soft);
  margin: 0 0 1.4rem;
}

.hero-meta {
  display: grid;
  gap: 0.35rem;
  margin: 1.4rem 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.hero-visual {
  min-height: 420px;
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
  box-shadow: var(--shadow);
}

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

.hero-caption {
  position: absolute;
  left: 1rem;
  right: 1rem;
  bottom: 1rem;
  padding: 0.85rem 1rem;
  background: rgba(24, 32, 51, 0.55);
  color: var(--silver);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 14px;
  backdrop-filter: blur(10px);
}

.hero-caption p {
  margin: 0;
  font-size: 0.92rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  border: 0;
  border-radius: 999px;
  padding: 0.78rem 1.25rem;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
}

.btn-pulse {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  color: var(--white);
  background: linear-gradient(135deg, var(--emerald) 0%, var(--violet) 58%, var(--cyan) 130%);
}

.btn-pulse::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.55), transparent);
  transform: translateX(-120%);
  z-index: -1;
}

.btn-pulse:hover::before,
.btn-pulse:focus-visible::before {
  animation: crystal-pulse 0.9s ease;
}

@keyframes crystal-pulse {
  0% { transform: translateX(-120%); opacity: 0.2; }
  40% { opacity: 1; }
  100% { transform: translateX(120%); opacity: 0; }
}

.btn-ghost {
  background: rgba(255, 252, 247, 0.7);
  color: var(--ink);
  border: 1px solid var(--line);
}

.section {
  padding: 1.2rem 0 2.8rem;
}

.section-head {
  max-width: 40rem;
  margin-bottom: 1.4rem;
}

.primary-service {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  overflow: hidden;
}

.primary-service img {
  width: 100%;
  height: 100%;
  min-height: 280px;
  object-fit: cover;
}

.primary-copy {
  padding: 1.8rem;
}

.offer-grid,
.card-grid,
.post-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.card {
  padding: 0;
  display: flex;
  flex-direction: column;
  height: 100%;
  color: inherit;
  text-decoration: none;
}

.card img,
.card .card-img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

.card-body {
  padding: 1.1rem 1.15rem 1.3rem;
  flex: 1;
}

.card h3 {
  font-size: 1.15rem;
}

.card p {
  margin: 0;
  color: var(--ink-soft);
}

.quote-list {
  display: grid;
  gap: 1rem;
}

.quote {
  padding: 1.3rem 1.4rem;
}

.quote p {
  margin: 0 0 0.8rem;
  font-size: 1.05rem;
}

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

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
}

.prose {
  max-width: 46rem;
}

.prose p,
.prose li {
  color: var(--ink-soft);
}

.prose ul {
  padding-left: 1.15rem;
}

.stack {
  display: grid;
  gap: 0.9rem;
}

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

.portrait {
  width: 100%;
  height: 240px;
  object-fit: cover;
}

.form {
  display: grid;
  gap: 0.85rem;
  padding: 1.5rem;
}

label {
  display: grid;
  gap: 0.3rem;
  font-weight: 600;
  font-family: var(--font-display);
}

input,
textarea,
select {
  font: inherit;
  padding: 0.7rem 0.8rem;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(255, 252, 247, 0.9);
  color: var(--ink);
}

.field-error {
  color: #9b2c4a;
  font-size: 0.88rem;
  font-weight: 500;
  min-height: 1.1em;
}

.form-status {
  margin: 0.4rem 0 0;
  padding: 0.7rem 0.8rem;
  border-radius: 12px;
}

.form-status.is-ok {
  background: rgba(62, 224, 176, 0.18);
  color: #0d4f42;
}

.form-status.is-err {
  background: rgba(155, 44, 74, 0.12);
  color: #7a1f38;
}

.site-footer {
  margin-top: 2rem;
  padding: 2.4rem 0 1.4rem;
  background: linear-gradient(180deg, transparent, rgba(106, 70, 184, 0.08));
  border-top: 1px solid var(--line);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1.1fr 0.8fr 0.8fr;
  gap: 1.4rem;
}

.footer-brand,
.footer-label {
  font-family: var(--font-display);
  font-weight: 650;
  margin: 0 0 0.4rem;
}

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

.footer-links li {
  margin: 0.25rem 0;
}

.footer-base {
  margin-top: 1.6rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.cookie-banner {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 50;
  background: rgba(24, 32, 51, 0.82);
  color: var(--silver);
  backdrop-filter: blur(14px);
  border-top: 1px solid rgba(196, 176, 255, 0.35);
}

.cookie-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
}

.cookie-banner a {
  color: var(--emerald-bright);
}

.cookie-actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.page-hero {
  padding: 2.4rem 0 1rem;
}

.page-hero.crystal {
  padding: 2rem;
  margin-bottom: 1.4rem;
}

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

.not-found {
  min-height: 50vh;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 3rem 1rem;
}

@media (max-width: 900px) {
  .hero,
  .primary-service,
  .split,
  .offer-grid,
  .card-grid,
  .post-grid,
  .team-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .nav-toggle {
    display: block;
  }

  .site-nav {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    padding: 1rem 1.2rem 1.2rem;
    background: rgba(247, 249, 252, 0.96);
    border-bottom: 1px solid var(--line);
  }

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

  .hero-visual {
    min-height: 280px;
  }
}