:root {
  --quartz: #f3f7fb;
  --quartz-deep: #dce7f2;
  --ink: #122033;
  --muted: #4a5d73;
  --emerald: #1f9d78;
  --emerald-glow: #5dffc8;
  --violet: #6b4cff;
  --violet-soft: #c4b5fd;
  --cyan: #3ec8e8;
  --silver: #eef4fa;
  --glass: rgba(255, 255, 255, 0.52);
  --stroke: rgba(107, 76, 255, 0.22);
  --shadow: 0 18px 50px rgba(18, 32, 51, 0.12);
  --radius: 22px;
  --font: "Outfit", "IBM Plex Sans Thai", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background:
    radial-gradient(1200px 500px at 10% -10%, rgba(94, 255, 200, 0.28), transparent 55%),
    radial-gradient(900px 420px at 95% 0%, rgba(107, 76, 255, 0.22), transparent 50%),
    radial-gradient(700px 400px at 70% 100%, rgba(62, 200, 232, 0.18), transparent 50%),
    linear-gradient(180deg, #eaf3fb 0%, var(--quartz) 40%, #e4eef8 100%);
  min-height: 100vh;
  line-height: 1.7;
}

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

a {
  color: #3a2db0;
  text-underline-offset: 3px;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(16px);
  background: rgba(243, 247, 251, 0.72);
  border-bottom: 1px solid var(--stroke);
}

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

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--ink);
  font-weight: 700;
  letter-spacing: 0.01em;
}

.brand-mark {
  width: 28px;
  height: 28px;
  clip-path: polygon(50% 4%, 92% 32%, 76% 96%, 24% 96%, 8% 32%);
  background: linear-gradient(140deg, var(--emerald-glow), var(--violet), var(--cyan));
  box-shadow: 0 0 18px rgba(94, 255, 200, 0.6);
}

.nav-toggle {
  display: none;
  border: 1px solid var(--stroke);
  background: var(--glass);
  border-radius: 999px;
  padding: 8px 14px;
  font: inherit;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 18px;
}

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

.nav-cta {
  padding: 8px 14px;
  border-radius: 999px;
  background: linear-gradient(120deg, rgba(94, 255, 200, 0.35), rgba(107, 76, 255, 0.25));
}

.crystal {
  background: var(--glass);
  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);
  backdrop-filter: blur(12px);
}

.hero-stage {
  display: grid;
  grid-template-columns: 72px 1fr minmax(280px, 42%);
  gap: 24px;
  align-items: stretch;
  padding: 36px 0 20px;
}

.hero-spine {
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  letter-spacing: 0.28em;
  text-transform: uppercase;
  font-size: 0.78rem;
  color: var(--muted);
  padding-top: 12px;
}

.hero-copy h1 {
  font-size: clamp(2rem, 4vw, 3.3rem);
  line-height: 1.25;
  font-weight: 700;
  margin: 0 0 16px;
}

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

.hero-note {
  display: inline-block;
  margin-top: 8px;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(31, 157, 120, 0.12);
  color: #14624c;
  font-size: 0.9rem;
}

.hero-visual {
  position: relative;
  min-height: 340px;
  overflow: hidden;
}

.hero-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 340px;
}

.hero-caption {
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 16px;
  padding: 12px 14px;
  background: rgba(18, 32, 51, 0.55);
  color: #f4fbff;
  border-radius: 14px;
  font-size: 0.92rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 0;
  cursor: pointer;
  text-decoration: none;
  font: inherit;
  padding: 12px 20px;
  border-radius: 999px;
}

.btn-pulse {
  position: relative;
  overflow: hidden;
  color: #07131c;
  background: linear-gradient(120deg, var(--emerald-glow), #d9fff3 40%, var(--violet-soft));
}

.btn-pulse::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.7), transparent);
  transform: translateX(-120%);
}

.btn-pulse:hover::after,
.btn-pulse.is-firing::after {
  animation: crystalPulse 0.7s ease;
}

@keyframes crystalPulse {
  from { transform: translateX(-120%); }
  to { transform: translateX(120%); }
}

.btn-ghost {
  background: transparent;
  border: 1px solid var(--stroke);
  color: var(--ink);
}

.section {
  padding: 48px 0;
}

.section h2 {
  font-size: 1.8rem;
  margin: 0 0 8px;
}

.lede {
  color: var(--muted);
  max-width: 60ch;
}

.card-grid,
.blog-grid,
.team-grid,
.price-grid {
  display: grid;
  gap: 20px;
  margin-top: 24px;
}

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

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

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

.card {
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

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

.card-body {
  padding: 18px;
}

.card h3 {
  margin: 0 0 8px;
  font-size: 1.15rem;
}

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

.quote-block {
  padding: 28px;
  margin-top: 28px;
}

.quote-block blockquote {
  margin: 0;
  font-size: 1.2rem;
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 24px;
}

.step {
  padding: 18px;
}

.step b {
  display: block;
  color: var(--violet);
  margin-bottom: 8px;
}

.page-hero {
  padding: 40px 0 10px;
}

.page-hero h1 {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  margin: 0 0 12px;
}

.split {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 28px;
  align-items: start;
}

.prose p {
  margin: 0 0 14px;
}

form {
  display: grid;
  gap: 12px;
  padding: 22px;
}

label {
  display: grid;
  gap: 6px;
  font-weight: 500;
}

input,
select,
textarea {
  font: inherit;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--stroke);
  background: rgba(255, 255, 255, 0.8);
}

.field-error,
.island-error {
  color: #9b1c3a;
  font-size: 0.9rem;
  margin: 0;
}

.form-success {
  padding: 16px;
  border-radius: 14px;
  background: rgba(31, 157, 120, 0.12);
}

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

.site-footer {
  margin-top: 40px;
  padding: 36px 0 20px;
  border-top: 1px solid var(--stroke);
  background: rgba(255, 255, 255, 0.35);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 0.8fr;
  gap: 24px;
}

.footer-grid a {
  display: block;
  margin-top: 6px;
}

.footer-brand {
  font-weight: 700;
  margin-top: 0;
}

.footer-label {
  font-weight: 600;
  margin-bottom: 4px;
}

.footer-copy {
  opacity: 0.7;
  font-size: 0.9rem;
}

.cookie-banner {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 40;
  background: rgba(18, 32, 51, 0.88);
  color: #f4fbff;
  padding: 16px 0;
}

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

.cookie-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 16px;
  align-items: center;
}

.cookie-actions {
  display: flex;
  gap: 10px;
}

.legal-list {
  padding-left: 18px;
}

.price-tag {
  font-weight: 600;
  color: #14624c;
}

@media (max-width: 900px) {
  .hero-stage,
  .card-grid,
  .blog-grid,
  .team-grid,
  .price-grid,
  .steps,
  .split,
  .footer-grid,
  .cookie-inner {
    grid-template-columns: 1fr;
  }

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

  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    display: none;
    position: absolute;
    right: 16px;
    top: 64px;
    flex-direction: column;
    align-items: flex-start;
    padding: 16px;
    background: var(--quartz);
    border: 1px solid var(--stroke);
    border-radius: 16px;
  }

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