* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #1f2933;
  background: #f9fafb;
  line-height: 1.6;
}

/* Header */
.header {
  background:
    radial-gradient(circle at 20% 30%, rgba(255,220,120,0.35), transparent 55%),
    linear-gradient(180deg, #2f6f6a 0%, #255350 100%);
  color: #f7f7f4;
  padding: 1.5rem 0;
}

.nav {
  max-width: 1120px;
  margin: 0 auto 2.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.logo img {
  height: 150px;
  width: auto;
  display: block;
}

@media (min-width: 768px) {
  .logo img {
    max-height: 150px;
  }
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 1.25rem;
  padding: 0;
  margin: 0;
}

.nav-links a {
  color: #e6f4f1;
  text-decoration: none;
  font-size: 0.95rem;
}

.hero {
  max-width: 720px;
  margin: 0 auto;
}

.hero h1 {
  font-size: clamp(2.1rem, 3.2vw, 2.8rem);
}

.hero p {
  font-size: 1.1rem;
  opacity: 0.95;
}

/* Main */
main {
  max-width: 1120px;
  margin: 0 auto;
  padding: 3rem 1.5rem;
}

section {
  margin-bottom: 3rem;
}

h2 {
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
  margin-top: 1rem;
}

.card {
  background: #fff;
  border-radius: 0.75rem;
  padding: 1.25rem;
  box-shadow: 0 1px 4px rgba(15, 23, 42, 0.08);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.card h3 {
  margin-top: 0;
}

.button {
  align-self: flex-start;
  margin-top: 0.75rem;
  padding: 0.45rem 0.9rem;
  border-radius: 999px;
  background: #2f6f6a;
  color: #fff;
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
}

/* Footer */
footer {
  background: #fff;
  border-top: 1px solid #e5e7eb;
  padding: 1.25rem 1.5rem;
  font-size: 0.85rem;
  color: #6b7280;
}

.footer-inner {
  max-width: 1120px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
}

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

@media (max-width: 720px) {
  .nav {
    flex-direction: column;
    align-items: flex-start;
  }
}