/* Colors */
:root {
  --primary-color: #31849b;
  --secondary-color: #daeef3;
  --primary-hover: #164047;
  --background-color: #F9FAFB;
  --text-color: #1F2937;
  --border-color: #E5E7EB;
  --card-background: #F9FAFB;
  --hero-background: #111827;
}

/* Base Reset */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: Inter, system-ui, sans-serif;
}

body {
  background: #F9FAFB;
  color: #1F2937;
  line-height: 1.6;
}

.container {
  max-width: 960px;
  margin: auto;
  padding: 2rem;
}

/* Hero */
.hero {
  background: var(--hero-background);
  color: white;
  padding: 4rem 0;
}

.hero h1 {
  font-size: 2.5rem;
  margin-bottom: .5rem;
}

.tagline {
  font-size: 1.2rem;
  opacity: 0.85;
  margin-bottom: 1rem;
}

nav a {
  color: #9CA3AF;
  margin-right: 1.5rem;
  text-decoration: none;
  font-weight: 500;
}

nav a:hover {
  color: white;
}

/* Sections */
.section {
  padding: 3rem 0;
}

.section.alt {
  background: white;
}

tr:nth-child(even) {
  background-color: #D6EEEE;
}

h2 {
  font-size: 1.8rem;
  margin-bottom: 1rem;
  color: #var(--hero-background);
}

a {
  color: var(--primary-color);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}
a:visited {
  color: var(--primary-hover);
}

/* Cards */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.card {
  background: #F9FAFB;
  border: 1px solid #E5E7EB;
  padding: 1.5rem;
  border-radius: 12px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}

.card h3 {
  margin-bottom: .5rem;
}

.button {
  display: inline-block;
  margin-top: 1rem;
  padding: .5rem 1rem;
  background: var(--primary-color);
  color: white;
  border-radius: 6px;
  text-decoration: none;
  font-size: 0.9rem;
}

.button:hover {
  background: var(--primary-hover);
}

/* Footer */
footer {
  background: #111827;
  color: #9CA3AF;
  text-align: center;
  padding: 1rem;
  font-size: 0.85rem;
}