:root {
  --bg: #08111f;
  --bg-soft: #101c2f;
  --panel: rgba(16, 28, 47, 0.72);
  --panel-strong: #13233a;
  --text: #f4f7fb;
  --muted: #9eb0c7;
  --line: rgba(158, 176, 199, 0.16);
  --primary: #7dd3fc;
  --primary-strong: #38bdf8;
  --accent: #a78bfa;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.32);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", "Noto Sans Thai", system-ui, sans-serif;
  background: radial-gradient(circle at top, rgba(56, 189, 248, 0.18), transparent 30%), var(--bg);
  color: var(--text);
}

.background-glow {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 20% 20%, rgba(125, 211, 252, 0.14), transparent 25%),
    radial-gradient(circle at 80% 10%, rgba(167, 139, 250, 0.10), transparent 22%);
}

.container {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(18px);
  background: rgba(8, 17, 31, 0.65);
  border-bottom: 1px solid var(--line);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
}

.brand {
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: 0.04em;
}

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

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

nav a:hover {
  color: var(--text);
}

.nav-cta {
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
}

.hero {
  padding: 88px 0 52px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 28px;
  align-items: center;
}

.eyebrow,
.section-tag,
.card-label,
.plan {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--primary);
}

h1 {
  font-size: clamp(2.5rem, 6vw, 4.8rem);
  line-height: 0.98;
  margin: 14px 0 18px;
}

h2 {
  font-size: clamp(1.8rem, 3vw, 3rem);
  line-height: 1.08;
  margin: 0 0 16px;
}

h3 {
  margin: 0 0 12px;
  font-size: 1.2rem;
}

p {
  color: var(--muted);
  line-height: 1.75;
  margin: 0;
}

.hero-copy {
  font-size: 1.06rem;
  max-width: 56ch;
}

.hero-actions {
  display: flex;
  gap: 14px;
  margin: 28px 0 22px;
  flex-wrap: wrap;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 14px;
  text-decoration: none;
  font-weight: 700;
  transition: 180ms ease;
}

.button.primary {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #08111f;
  box-shadow: var(--shadow);
}

.button.secondary {
  color: var(--text);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.02);
}

.button:hover {
  transform: translateY(-1px);
}

.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.hero-points li {
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line);
  color: var(--text);
  font-size: 0.95rem;
}

.hero-card,
.card,
.pricing-card,
.contact-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 26px;
  box-shadow: var(--shadow);
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 24px;
}

.stat-grid strong {
  display: block;
  font-size: 1.25rem;
  margin-bottom: 6px;
}

.stat-grid span {
  color: var(--muted);
  font-size: 0.92rem;
}

.section {
  padding: 56px 0;
}

.section h2 {
  max-width: 18ch;
  margin-bottom: 22px;
}

.muted {
  background: rgba(255, 255, 255, 0.02);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.cards {
  display: grid;
  gap: 20px;
}

.three-up,
.pricing-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card p,
.pricing-card p {
  color: var(--muted);
}

.timeline {
  display: grid;
  gap: 18px;
}

.timeline-item {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 18px;
  align-items: start;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.03);
}

.timeline-item span {
  display: inline-flex;
  width: 56px;
  height: 56px;
  align-items: center;
  justify-content: center;
  border-radius: 18px;
  background: rgba(125, 211, 252, 0.10);
  color: var(--primary);
  font-weight: 800;
  font-size: 1.1rem;
}

.pricing-card ul {
  margin: 18px 0 0;
  padding-left: 18px;
  color: var(--text);
  line-height: 1.8;
}

.featured {
  border-color: rgba(125, 211, 252, 0.45);
  background: linear-gradient(180deg, rgba(125, 211, 252, 0.08), rgba(16, 28, 47, 0.82));
}

.contact-box {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 20px;
  align-items: stretch;
}

.contact-card {
  display: grid;
  gap: 12px;
  align-content: start;
}

.wide {
  width: 100%;
}

@media (max-width: 920px) {
  .hero-grid,
  .three-up,
  .pricing-grid,
  .contact-box {
    grid-template-columns: 1fr;
  }

  nav {
    display: none;
  }

  .hero {
    padding-top: 56px;
  }
}

@media (max-width: 640px) {
  .timeline-item {
    grid-template-columns: 1fr;
  }

  .hero-card,
  .card,
  .pricing-card,
  .contact-card {
    padding: 22px;
  }
}