:root {
  --bg: #fff9ef;
  --bg-accent: #ffe7c6;
  --ink: #1f1a17;
  --muted: #5e5046;
  --brand: #d94f04;
  --brand-deep: #a53800;
  --card: #ffffff;
  --ring: #ffd7ab;
  --shadow: 0 12px 30px rgba(31, 26, 23, 0.1);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  color: var(--ink);
  background: radial-gradient(circle at 20% -5%, #ffe8cb 0%, var(--bg) 45%),
    linear-gradient(180deg, var(--bg) 0%, #fff 100%);
  min-height: 100vh;
}

.top-nav {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.9rem 1.25rem;
  border-bottom: 1px solid var(--ring);
  background: rgba(255, 249, 239, 0.93);
  backdrop-filter: blur(8px);
}

.brand {
  font-family: "Kanit", sans-serif;
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.top-nav ul {
  list-style: none;
  display: flex;
  gap: 1rem;
  padding: 0;
  margin: 0;
}

.top-nav a {
  text-decoration: none;
  color: var(--ink);
  font-weight: 600;
}

main {
  width: min(1080px, 92%);
  margin: 0 auto 3rem;
}

.jumbotron {
  margin-top: 2rem;
  background: linear-gradient(145deg, #fff2de 0%, #ffe0b7 65%, #ffd19b 100%);
  border: 1px solid #f8c98d;
  border-radius: 18px;
  padding: 2.2rem;
  box-shadow: var(--shadow);
}

.eyebrow {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.75rem;
  color: var(--brand-deep);
  font-weight: 700;
}

.jumbotron h1 {
  margin: 0.5rem 0 0.7rem;
  font-family: "Kanit", sans-serif;
  font-size: clamp(2rem, 5vw, 3.2rem);
  line-height: 1.05;
}

.jumbotron p {
  margin: 0;
  color: var(--muted);
  max-width: 65ch;
}

.cta {
  display: inline-block;
  margin-top: 1.2rem;
  text-decoration: none;
  color: #fff;
  background: var(--brand);
  font-weight: 700;
  padding: 0.7rem 1rem;
  border-radius: 10px;
}

.cards-section {
  margin-top: 2rem;
}

.cards-section h2 {
  margin: 0;
  font-family: "Kanit", sans-serif;
  font-size: 1.9rem;
}

.section-copy {
  margin: 0.4rem 0 1rem;
  color: var(--muted);
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.card {
  background: var(--card);
  border: 1px solid var(--ring);
  border-radius: 14px;
  padding: 1rem;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.card h3 {
  margin: 0;
  font-family: "Kanit", sans-serif;
  font-size: 1.2rem;
}

.card p {
  margin: 0;
  color: var(--muted);
  min-height: 2.8em;
}

.card a {
  margin-top: auto;
  text-decoration: none;
  font-weight: 700;
  color: var(--brand-deep);
}

.card.disabled {
  border-style: dashed;
  opacity: 0.8;
}

.card.disabled a {
  color: #9b8c80;
  pointer-events: none;
}

.about {
  margin-top: 2.2rem;
  padding: 1rem 0;
  border-top: 1px dashed var(--ring);
}

.about h3 {
  margin: 0;
  font-family: "Kanit", sans-serif;
}

.about p {
  margin: 0.4rem 0 0;
  color: var(--muted);
}

@media (max-width: 700px) {
  .top-nav {
    flex-direction: column;
    gap: 0.6rem;
  }

  .jumbotron {
    padding: 1.5rem;
  }
}