:root {
  --night: #07111c;
  --quartz: rgba(248, 251, 255, 0.14);
  --quartz-strong: rgba(248, 251, 255, 0.28);
  --emerald: #6ff3c0;
  --violet: #c084fc;
  --cyan: #67e8f9;
  --silver: #eef4ff;
  --ink: #f4f7ff;
  --muted: #b7c4d8;
  --danger: #fecaca;
  --radius: 22px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "IBM Plex Sans Thai", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 8% -10%, rgba(111, 243, 192, 0.22), transparent 55%),
    radial-gradient(900px 500px at 92% 0%, rgba(192, 132, 252, 0.28), transparent 50%),
    radial-gradient(700px 400px at 70% 80%, rgba(103, 232, 249, 0.16), transparent 45%),
    var(--night);
  min-height: 100vh;
  line-height: 1.7;
}

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

a {
  color: var(--cyan);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

h1, h2, h3 {
  font-family: Syne, "IBM Plex Sans Thai", sans-serif;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.shell {
  width: min(1120px, calc(100% - 32px));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(16px);
  background: linear-gradient(180deg, rgba(7, 17, 28, 0.86), rgba(7, 17, 28, 0.4));
  border-bottom: 1px solid var(--quartz-strong);
}

.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--silver);
  text-decoration: none;
  font-family: Syne, sans-serif;
  font-weight: 700;
}

.brand-mark {
  width: 22px;
  height: 22px;
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0 75%, 0 25%);
  background: linear-gradient(135deg, var(--emerald), var(--violet), var(--cyan));
  box-shadow: 0 0 18px rgba(111, 243, 192, 0.6);
}

.nav-toggle {
  display: none;
  background: var(--quartz);
  color: var(--ink);
  border: 1px solid var(--quartz-strong);
  border-radius: 999px;
  padding: 8px 16px;
  font: inherit;
}

.site-nav ul {
  display: flex;
  gap: 18px;
  list-style: none;
  margin: 0;
  padding: 0;
}

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

.site-nav a[aria-current="page"] {
  color: var(--emerald);
}

.hero-split {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  min-height: 78vh;
  border-bottom: 1px solid var(--quartz-strong);
}

.hero-photo {
  position: relative;
  min-height: 420px;
}

.hero-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.85) contrast(1.05);
}

.hero-photo figcaption {
  position: absolute;
  left: 20px;
  bottom: 20px;
  max-width: 70%;
  padding: 12px 16px;
  background: rgba(7, 17, 28, 0.55);
  border: 1px solid var(--quartz-strong);
  backdrop-filter: blur(10px);
  font-size: 0.9rem;
}

.hero-copy {
  padding: 72px 48px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  background:
    linear-gradient(160deg, rgba(248, 251, 255, 0.08), transparent 40%),
    linear-gradient(180deg, transparent, rgba(7, 17, 28, 0.35));
}

.kicker {
  color: var(--emerald);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.78rem;
  margin: 0 0 12px;
}

.hero-copy h1 {
  font-size: clamp(2.1rem, 4vw, 3.5rem);
  margin: 0 0 20px;
}

.lede {
  color: var(--muted);
  font-size: 1.08rem;
  max-width: 38ch;
}

.crystal {
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.16), rgba(255, 255, 255, 0.04));
  border: 1px solid var(--quartz-strong);
  border-radius: var(--radius);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.25), 0 20px 50px rgba(0, 0, 0, 0.25);
  backdrop-filter: blur(14px);
}

.section {
  padding: 72px 0;
}

.section h2 {
  margin-top: 0;
  font-size: clamp(1.6rem, 3vw, 2.3rem);
}

.primary-block {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 28px;
  align-items: center;
}

.primary-block img {
  border-radius: var(--radius);
  min-height: 320px;
  object-fit: cover;
  width: 100%;
}

.offer-grid,
.card-grid,
.price-grid,
.team-grid,
.wall {
  display: grid;
  gap: 20px;
}

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

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

.card {
  padding: 22px;
}

.card img,
.wall figure img,
.team-card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: 14px;
  margin-bottom: 14px;
}

.quotes {
  display: grid;
  gap: 16px;
}

.quote {
  padding: 22px 26px;
  border-left: 3px solid var(--violet);
}

.page-hero {
  padding: 64px 0 24px;
}

.page-hero h1 {
  font-size: clamp(2rem, 4vw, 3.1rem);
  margin-bottom: 12px;
}

.prose {
  max-width: 68ch;
}

.prose p + p,
.legal p + p {
  margin-top: 1em;
}

.legal {
  max-width: 72ch;
}

.btn {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 999px;
  padding: 12px 22px;
  background: linear-gradient(135deg, var(--emerald), var(--cyan));
  color: #062018;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
}

.btn::after {
  content: "";
  position: absolute;
  inset: -40% auto -40% -30%;
  width: 40%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.85), transparent);
  transform: translateX(-120%) rotate(12deg);
  animation: crystal-pulse 2.8s ease-in-out infinite;
}

.btn-ghost {
  background: transparent;
  color: var(--silver);
  border: 1px solid var(--quartz-strong);
}

@keyframes crystal-pulse {
  0%, 55% { transform: translateX(-120%) rotate(12deg); opacity: 0; }
  70% { opacity: 1; }
  100% { transform: translateX(420%) rotate(12deg); opacity: 0; }
}

.form {
  display: grid;
  gap: 14px;
  max-width: 560px;
}

label {
  display: grid;
  gap: 6px;
}

input,
textarea,
select {
  font: inherit;
  color: var(--ink);
  background: rgba(7, 17, 28, 0.55);
  border: 1px solid var(--quartz-strong);
  border-radius: 12px;
  padding: 10px 12px;
}

.field-error,
.form-status {
  color: var(--danger);
  margin: 0;
  font-size: 0.92rem;
}

.form-status.is-success {
  color: var(--emerald);
}

.site-footer {
  border-top: 1px solid var(--quartz-strong);
  padding: 48px 0 28px;
  margin-top: 40px;
  background: rgba(255, 255, 255, 0.03);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 24px;
}

.footer-brand,
.footer-label {
  font-family: Syne, sans-serif;
  margin-bottom: 8px;
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  padding: 24px 0 8px;
  color: var(--muted);
}

.cookie-banner {
  position: fixed;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  width: min(920px, calc(100% - 24px));
  z-index: 30;
}

.cookie-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
  padding: 16px 18px;
  background: linear-gradient(135deg, rgba(111, 243, 192, 0.16), rgba(192, 132, 252, 0.18));
  border: 1px solid var(--quartz-strong);
  border-radius: 18px;
  backdrop-filter: blur(18px);
}

.cookie-inner p {
  margin: 0;
  flex: 1 1 320px;
}

.cookie-actions {
  display: flex;
  gap: 8px;
}

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

.not-found {
  min-height: 55vh;
  display: grid;
  place-content: center;
  text-align: center;
  padding: 80px 16px;
}

@media (max-width: 900px) {
  .nav-toggle { display: inline-flex; }
  .site-nav {
    display: none;
    position: absolute;
    top: 64px;
    right: 16px;
    left: 16px;
    background: rgba(7, 17, 28, 0.94);
    border: 1px solid var(--quartz-strong);
    border-radius: 16px;
    padding: 16px;
  }
  .site-nav.is-open { display: block; }
  .site-nav ul { flex-direction: column; }
  .hero-split,
  .primary-block,
  .offer-grid,
  .card-grid,
  .price-grid,
  .team-grid,
  .wall,
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .hero-copy { padding: 36px 20px 48px; }
}