:root {
  --primary: #EF4444;
  --secondary: #3B82F6;
  --text: #111827;
  --muted: #6B7280;
  --bg: #F8FAFC;
  --card: #FFFFFF;
  --radius: 18px;
  --shadow: 0 20px 45px rgba(2, 6, 23, 0.12);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: "Prompt", "Noto Sans Thai", sans-serif;
  color: var(--text);
  background: #fff;
  line-height: 1.6;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; border-radius: 14px; }

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

.section { padding: 72px 0; }
h1, h2, h3 { margin: 0 0 12px; line-height: 1.2; }
h2 { font-size: clamp(1.5rem, 3vw, 2.3rem); }

.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  background: linear-gradient(120deg, var(--primary), #b91c1c);
  color: #fff;
  box-shadow: 0 8px 24px rgba(185, 28, 28, 0.3);
}
.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 74px;
}
.logo { font-size: 1.2rem; font-weight: 700; }
.nav { display: none; gap: 18px; font-weight: 500; }
.call-btn {
  background: rgba(255,255,255,0.18);
  border: 1px solid rgba(255,255,255,0.35);
  padding: 10px 14px;
  border-radius: 999px;
  font-weight: 600;
  white-space: nowrap;
}

.hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 15% 20%, rgba(239, 68, 68, 0.22), transparent 42%),
    radial-gradient(circle at 80% 10%, rgba(59, 130, 246, 0.2), transparent 40%),
    #fff;
}
.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  gap: 24px;
}
.eyebrow {
  display: inline-block;
  margin-bottom: 8px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 0.3px;
}
.hero h1 {
  font-size: clamp(1.9rem, 5.2vw, 3.4rem);
  margin-bottom: 14px;
}
.hero h1 span { color: var(--secondary); }
.lead { color: #1f2937; }
.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 20px 0;
}
.hero-badges {
  margin: 0;
  padding-left: 18px;
  color: #374151;
}
.hero-media.card {
  padding: 14px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  padding: 12px 18px;
  font-weight: 600;
  border: 0;
  cursor: pointer;
}
.btn-primary {
  background: linear-gradient(120deg, var(--primary), #dc2626);
  color: #fff;
}
.btn-secondary {
  background: #e0ecff;
  color: #123a77;
}

.section-intro { color: var(--muted); max-width: 780px; }
.cards {
  margin-top: 18px;
  display: grid;
  gap: 16px;
}
.card {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px;
}

.about { background: var(--bg); }
.split {
  display: grid;
  gap: 20px;
}
.stat-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}
.stat strong {
  display: block;
  font-size: 1.4rem;
  color: var(--primary);
}
.stat span { color: #475569; }

.quick-form label {
  display: block;
  margin-bottom: 12px;
  font-weight: 500;
}
.quick-form input,
.quick-form textarea {
  width: 100%;
  margin-top: 6px;
  border: 1px solid #d1d5db;
  border-radius: 10px;
  padding: 11px 12px;
  font: inherit;
}
.note { color: var(--muted); font-size: .92rem; margin-top: 10px; }

.social-links {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 16px;
}
.social-links a {
  background: #eef2ff;
  color: #1e3a8a;
  padding: 9px 12px;
  border-radius: 999px;
  font-weight: 500;
}

.contact-box {
  text-align: center;
  background: linear-gradient(135deg, #fff, #eff6ff);
}
.footer {
  background: #0f172a;
  color: #cbd5e1;
  padding: 24px 0;
  text-align: center;
}

@media (min-width: 480px) {
  .section { padding: 78px 0; }
}

@media (min-width: 768px) {
  .hero-grid { grid-template-columns: 1.1fr .9fr; align-items: center; }
  .cards.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .split { grid-template-columns: 1fr 1fr; align-items: start; }
}

@media (min-width: 1024px) {
  .nav { display: flex; }
}

@media (min-width: 1440px) {
  .container { width: min(1240px, 90%); }
}