@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Sans+Thai:wght@300;400;500;600;700&family=Prompt:wght@400;500;600;700&display=swap");

:root {
  --quartz: #f3f6fb;
  --quartz-deep: #e7eef7;
  --ink: #152033;
  --ink-soft: #3a4a63;
  --emerald: #1aa37a;
  --emerald-glow: #3ef0b4;
  --violet: #6a5bff;
  --violet-soft: #9b8cff;
  --cyan: #3ec8e0;
  --silver: #c9d4e3;
  --night: #0c1726;
  --card: rgba(255, 255, 255, 0.55);
  --stroke: rgba(106, 91, 255, 0.22);
  --shadow: 0 18px 50px rgba(21, 32, 51, 0.08);
  --font-sans: "IBM Plex Sans Thai", "Sarabun", sans-serif;
  --font-display: "Prompt", "IBM Plex Sans Thai", sans-serif;
  --radius: 1.25rem;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--ink);
  background:
    radial-gradient(1200px 500px at 10% -10%, rgba(62, 240, 180, 0.22), transparent 55%),
    radial-gradient(900px 420px at 95% 0%, rgba(155, 140, 255, 0.28), transparent 50%),
    radial-gradient(700px 500px at 70% 110%, rgba(62, 200, 224, 0.18), transparent 45%),
    linear-gradient(180deg, #eef4fb 0%, var(--quartz) 40%, #e8f3f4 100%);
  min-height: 100vh;
  line-height: 1.7;
}

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

a {
  color: #215a8c;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(16px);
  background: rgba(243, 246, 251, 0.72);
  border-bottom: 1px solid rgba(201, 212, 227, 0.7);
}

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

.mark {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: var(--ink);
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.02em;
}

.mark-crystal {
  width: 1.1rem;
  height: 1.1rem;
  background: linear-gradient(135deg, var(--emerald-glow), var(--violet), var(--cyan));
  transform: rotate(45deg);
  box-shadow: 0 0 16px rgba(62, 240, 180, 0.55);
}

.nav-toggle {
  display: none;
  border: 1px solid var(--stroke);
  background: rgba(255, 255, 255, 0.7);
  color: var(--ink);
  border-radius: 999px;
  padding: 0.4rem 0.9rem;
  font: inherit;
  cursor: pointer;
}

.site-nav ul {
  display: flex;
  gap: 1.15rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

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

.site-nav a[aria-current="page"] {
  color: var(--ink);
  box-shadow: inset 0 -2px 0 var(--emerald-glow);
}

.hero-split {
  display: grid;
  grid-template-columns: 4.5rem 1fr;
  gap: 1.5rem;
  padding: 3.2rem 0 1rem;
}

.spine {
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  font-size: 0.82rem;
  letter-spacing: 0.28em;
  color: var(--violet);
  text-transform: uppercase;
  align-self: start;
  margin-top: 0.4rem;
}

.hero-kicker {
  margin: 0 0 0.6rem;
  color: var(--emerald);
  font-weight: 600;
  letter-spacing: 0.04em;
}

.hero-split h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.6vw, 3.4rem);
  line-height: 1.25;
  margin: 0 0 1rem;
  font-weight: 600;
}

.hero-lead {
  font-size: 1.08rem;
  color: var(--ink-soft);
  max-width: 40rem;
  margin: 0 0 1.4rem;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem 1.4rem;
  font-size: 0.95rem;
  color: var(--ink-soft);
  margin: 0 0 1.2rem;
}

.hero-band {
  position: relative;
  margin: 0 0 3.5rem;
}

.hero-band img {
  width: 100%;
  height: min(52vw, 420px);
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.float-card {
  position: absolute;
  right: 1.2rem;
  bottom: -1.8rem;
  width: min(340px, calc(100% - 2rem));
  background: var(--card);
  backdrop-filter: blur(18px);
  border: 1px solid var(--stroke);
  border-radius: var(--radius);
  padding: 1.15rem 1.25rem;
  box-shadow: var(--shadow);
}

.float-card h2 {
  margin: 0 0 0.4rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
}

.btn {
  appearance: none;
  border: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  font: inherit;
  cursor: pointer;
  border-radius: 999px;
  padding: 0.62rem 1.15rem;
  text-decoration: none;
}

.btn-pulse {
  position: relative;
  overflow: hidden;
  color: #f7fffb;
  background: linear-gradient(120deg, var(--emerald), var(--cyan) 55%, var(--violet));
  isolation: isolate;
}

.btn-pulse::after {
  content: "";
  position: absolute;
  inset: -40%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.55), transparent);
  transform: translateX(-80%);
  animation: crystal-pulse 2.4s ease-in-out infinite;
  pointer-events: none;
}

@keyframes crystal-pulse {
  0%,
  55% {
    transform: translateX(-80%);
    opacity: 0;
  }
  70% {
    opacity: 1;
  }
  100% {
    transform: translateX(80%);
    opacity: 0;
  }
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.55);
  color: var(--ink);
  border: 1px solid var(--stroke);
}

.section {
  padding: 2.6rem 0;
}

.section h2 {
  font-family: var(--font-display);
  font-size: 1.7rem;
  margin: 0 0 0.8rem;
}

.prose {
  max-width: 42rem;
  color: var(--ink-soft);
}

.prose p {
  margin: 0 0 1rem;
}

.offer-list {
  display: grid;
  gap: 1.1rem;
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
}

.offer-list li {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 1rem;
  background: var(--card);
  border: 1px solid var(--stroke);
  border-radius: var(--radius);
  overflow: hidden;
  backdrop-filter: blur(12px);
}

.offer-list img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 120px;
}

.offer-body {
  padding: 0.9rem 1rem 1rem 0;
}

.offer-body h3 {
  margin: 0 0 0.3rem;
  font-family: var(--font-display);
  font-size: 1.1rem;
}

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

.quote-block {
  margin: 0;
  padding: 1.4rem 1.5rem;
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.7), rgba(158, 140, 255, 0.12));
  border-left: 3px solid var(--emerald-glow);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.quote-block + .quote-block {
  margin-top: 1rem;
}

.quote-block footer {
  margin-top: 0.7rem;
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.1rem;
}

.crystal-card {
  background: var(--card);
  border: 1px solid var(--stroke);
  border-radius: var(--radius);
  overflow: hidden;
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow);
}

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

.crystal-card .pad {
  padding: 1rem 1.1rem 1.2rem;
}

.crystal-card h3 {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  font-size: 1.12rem;
}

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

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

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

.page-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.4vw, 2.6rem);
  margin: 0 0 0.7rem;
  line-height: 1.3;
}

.page-hero img {
  width: 100%;
  height: min(46vw, 360px);
  object-fit: cover;
  border-radius: var(--radius);
  margin-top: 1.2rem;
}

.legal h2 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  margin: 1.6rem 0 0.5rem;
}

.form {
  display: grid;
  gap: 0.85rem;
  max-width: 36rem;
}

label {
  display: grid;
  gap: 0.3rem;
  font-weight: 500;
}

input,
select,
textarea {
  font: inherit;
  padding: 0.65rem 0.75rem;
  border-radius: 0.7rem;
  border: 1px solid var(--silver);
  background: rgba(255, 255, 255, 0.8);
  color: var(--ink);
}

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

.field-error,
.island-error {
  color: #9b2448;
  margin: 0.2rem 0 0;
  font-size: 0.9rem;
}

.form-status {
  padding: 0.8rem 1rem;
  border-radius: 0.8rem;
  background: rgba(62, 240, 180, 0.18);
  border: 1px solid rgba(26, 163, 122, 0.35);
}

.form-status[data-kind="error"] {
  background: rgba(255, 210, 220, 0.7);
  border-color: rgba(155, 36, 72, 0.3);
}

.portfolio-item {
  margin-bottom: 1.2rem;
  display: grid;
  grid-template-columns: minmax(0, 280px) 1fr;
}

.portfolio-item img {
  height: 100%;
  min-height: 180px;
  object-fit: cover;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.1rem;
}

.team-grid img {
  width: 100%;
  height: 230px;
  object-fit: cover;
  border-radius: var(--radius);
}

.includes {
  padding-left: 1.1rem;
}

.site-footer {
  margin-top: 3rem;
  padding: 2.4rem 0 2rem;
  background: linear-gradient(180deg, transparent, rgba(12, 23, 38, 0.04));
  border-top: 1px solid rgba(201, 212, 227, 0.8);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 1.5rem;
}

.footer-brand {
  font-family: var(--font-display);
  font-weight: 600;
  margin: 0 0 0.5rem;
}

.footer-label {
  font-weight: 600;
  margin: 0 0 0.4rem;
}

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

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

.footer-note {
  margin-top: 1.4rem;
  color: var(--ink-soft);
  font-size: 0.9rem;
}

.cookie-banner {
  position: fixed;
  z-index: 40;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(12, 23, 38, 0.88);
  color: #eef6ff;
  backdrop-filter: blur(16px);
  border-top: 1px solid rgba(62, 240, 180, 0.35);
}

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

.cookie-inner {
  padding: 1rem 0 1.15rem;
  display: grid;
  gap: 0.8rem;
}

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

.lost {
  padding: 4rem 0 5rem;
  text-align: center;
}

.lost h1 {
  font-family: var(--font-display);
  font-size: 2.2rem;
}

@media (max-width: 800px) {
  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    background: rgba(243, 246, 251, 0.96);
    border-bottom: 1px solid var(--silver);
  }

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

  .site-nav ul {
    flex-direction: column;
    padding: 0.8rem 1rem 1rem;
    gap: 0.55rem;
  }

  .hero-split {
    grid-template-columns: 1fr;
  }

  .spine {
    writing-mode: horizontal-tb;
    transform: none;
    letter-spacing: 0.12em;
  }

  .float-card {
    position: static;
    width: auto;
    margin-top: 0.8rem;
  }

  .offer-list li {
    grid-template-columns: 1fr;
  }

  .offer-body {
    padding: 0 1rem 1rem;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .portfolio-item {
    grid-template-columns: 1fr;
  }
}