:root {
  --bg: #0b1020;
  --bg-soft: #121b32;
  --card: #172241;
  --text: #eaf1ff;
  --muted: #b8c4e3;
  --primary: #ffd24d;
  --primary-dark: #e3b732;
  --accent: #62e6ff;
  --border: #2a3b69;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Noto Sans Thai", system-ui, sans-serif;
  background: radial-gradient(circle at top right, #18274f, var(--bg) 55%);
  color: var(--text);
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: min(1120px, 92%);
  margin: 0 auto;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(9, 14, 29, 0.8);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(8px);
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 68px;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
}

.brand img {
  height: 38px;
  width: auto;
  display: block;
}

.menu {
  display: flex;
  gap: 22px;
  font-size: 0.95rem;
  color: var(--muted);
}

.menu a:hover {
  color: white;
}

.hero {
  padding: 56px 0 20px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  align-items: center;
}

.hero-copy {
  max-width: 760px;
}

.eyebrow {
  margin: 0;
  color: var(--accent);
  font-weight: 700;
}

h1 {
  margin: 10px 0 16px;
  font-size: clamp(2rem, 3.6vw, 3.3rem);
  line-height: 1.15;
}

.lead {
  color: var(--muted);
  line-height: 1.75;
  margin-bottom: 24px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  background: var(--primary);
  color: #211800;
  font-weight: 700;
  padding: 11px 20px;
  border-radius: 12px;
  transition: 0.2s ease;
}

.btn:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.06);
}

.btn-small {
  padding: 8px 14px;
  border-radius: 10px;
  font-size: 0.92rem;
}

.stats {
  list-style: none;
  padding: 0;
  margin: 26px 0 0;
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  color: var(--muted);
}

.stats strong {
  color: white;
  margin-right: 6px;
}

.section {
  padding: 56px 0;
}

h2 {
  margin: 0 0 10px;
  font-size: clamp(1.5rem, 2.7vw, 2.2rem);
}

.section-sub {
  margin: 0 0 26px;
  color: var(--muted);
}

.banners {
  margin-top: 18px;
  margin-bottom: 14px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.banner-item {
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--border);
  display: block;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.banner-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.28);
}

.banner-item img {
  width: 100%;
  height: 100%;
  min-height: 170px;
  object-fit: cover;
  display: block;
}

.banner {
  margin-top: 18px;
  margin-bottom: 14px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.card {
  background: linear-gradient(180deg, #172546, #121b33);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 14px;
}

.card h3 {
  margin: 14px 0 8px;
}

.card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
}

.dark {
  background: rgba(255, 255, 255, 0.03);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.promo-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.promo-box {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px;
}

.promo-box h3 {
  margin-top: 0;
  margin-bottom: 8px;
}

.promo-box p {
  margin: 0;
  color: var(--muted);
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.step {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.step span {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-weight: 800;
  background: var(--primary);
  color: #2a2100;
}

.step p {
  margin: 0;
}

.footer {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 22px 0 30px;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  color: var(--muted);
}

.placeholder {
  position: relative;
  border: 2px dashed rgba(255, 255, 255, 0.28);
  border-radius: 18px;
  min-height: 220px;
  display: grid;
  place-items: center;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.03);
}

.placeholder img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.placeholder span {
  position: absolute;
  left: 12px;
  bottom: 12px;
  font-size: 0.82rem;
  color: #e9efff;
  background: rgba(8, 12, 24, 0.68);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  padding: 5px 8px;
}

@media (max-width: 960px) {
  .hero-grid,
  .banners,
  .cards,
  .promo-grid,
  .steps {
    grid-template-columns: 1fr;
  }

  .menu {
    display: none;
  }

  .hero {
    padding-top: 34px;
  }
}