:root {
  --color-primary: #1C8C87;
  --color-primary-dark: #12635F;
  --color-bg: #F8FAF9;
  --color-card: #FFFFFF;
  --color-text: #1F2A2A;
  --color-muted: #6B7776;
  --color-mint: #EAF7F4;
  --color-blue: #EAF2FF;
  --color-yellow: #FDF3D8;
  --color-green: #E7F5E9;
  --color-coral: #FCE8E3;
  --color-lavender: #F1ECFB;
  --shadow-soft: 0 18px 42px rgba(31, 42, 42, 0.08);
  --radius-card: 8px;
  --space-page: 20px;
  font-family: "Noto Sans Thai", "Tahoma", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
}

a {
  color: inherit;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px var(--space-page);
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid rgba(28, 140, 135, 0.12);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: var(--color-primary);
  color: #fff;
  font-size: 0.78rem;
  letter-spacing: 0;
}

.emergency-link {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  padding: 0 14px;
  border-radius: 8px;
  background: var(--color-coral);
  color: var(--color-text);
  font-weight: 700;
  text-decoration: none;
}

main {
  width: min(1120px, 100%);
  margin: 0 auto;
}

.hero-section,
.notice-section,
.category-section,
.system-section {
  padding: 28px var(--space-page);
}

.hero-section {
  padding-top: 44px;
}

.hero-content {
  max-width: 720px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--color-primary-dark);
  font-size: 0.92rem;
  font-weight: 700;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  margin: 0;
  font-size: 2.55rem;
  line-height: 1.12;
  letter-spacing: 0;
}

h2 {
  margin: 0;
  font-size: 1.45rem;
  line-height: 1.3;
  letter-spacing: 0;
}

h3 {
  margin: 0 0 6px;
  font-size: 1.05rem;
  line-height: 1.35;
}

.hero-copy {
  max-width: 640px;
  margin: 18px 0 0;
  color: var(--color-muted);
  font-size: 1.08rem;
}

.hero-actions {
  display: grid;
  gap: 12px;
  margin-top: 26px;
}

.section-heading {
  margin-bottom: 16px;
}

.category-grid {
  display: grid;
  gap: 12px;
}

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

@media (min-width: 720px) {
  :root {
    --space-page: 32px;
  }

  .hero-section {
    padding-top: 68px;
  }

  h1 {
    font-size: 4rem;
  }

  .hero-actions {
    display: flex;
    align-items: center;
  }

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