:root {
  --navy: #182c40;
  --coral: #ea8d75;
  --teal: #3f8898;
  --light-bg: #f4f8fa;
  --white: #ffffff;
  --text-dark: #2c3e50;
  --text-muted: #596a7a;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: var(--text-dark);
  background-color: var(--light-bg);
}

/* Header & Nav */
header {
  background-color: var(--navy);
  color: var(--white);
  padding: 1rem 5%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0,0,0,0.15);
}

.logo-text {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: 1px;
  color: var(--white);
  text-decoration: none;
}

.logo-text span {
  color: var(--coral);
}

nav ul {
  display: flex;
  list-style: none;
  gap: 1.5rem;
}

nav a {
  color: var(--white);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.3s;
}

nav a:hover, nav a.active {
  color: var(--coral);
}

/* Common Layout */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 3rem 1.5rem;
}

.hero {
  background: linear-gradient(135deg, var(--navy) 0%, #243f5a 100%);
  color: var(--white);
  padding: 4rem 1.5rem;
  text-align: center;
}

.hero h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.hero p {
  font-size: 1.2rem;
  max-width: 750px;
  margin: 0 auto 2rem auto;
  color: #e0e8f0;
}

.btn {
  display: inline-block;
  background-color: var(--coral);
  color: var(--white);
  padding: 0.8rem 1.8rem;
  border-radius: 30px;
  text-decoration: none;
  font-weight: bold;
  font-size: 1.1rem;
  transition: transform 0.2s, background 0.3s;
}

.btn:hover {
  background-color: #d87961;
  transform: translateY(-2px);
}

/* Section Styling */
.section-title {
  text-align: center;
  color: var(--navy);
  font-size: 2rem;
  margin-bottom: 2rem;
  position: relative;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.card {
  background: var(--white);
  border-radius: 12px;
  padding: 2rem;
  box-shadow: 0 4px 15px rgba(0,0,0,0.05);
  border-top: 5px solid var(--teal);
}

.card.highlight {
  border-top-color: var(--coral);
}

.card h3 {
  color: var(--navy);
  margin-bottom: 1rem;
}

.card ul {
  list-style: none;
  padding-left: 0;
}

.card ul li {
  margin-bottom: 0.8rem;
  padding-left: 1.5rem;
  position: relative;
}

.card ul li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--teal);
  font-weight: bold;
}

/* Banner */
.banner {
  background-color: var(--coral);
  color: var(--white);
  text-align: center;
  padding: 2.5rem 1.5rem;
  border-radius: 12px;
  margin: 2rem 0;
}

.banner h2 {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

/* Footer */
footer {
  background-color: var(--navy);
  color: var(--white);
  text-align: center;
  padding: 2rem 1.5rem;
  margin-top: 3rem;
  font-size: 0.9rem;
}

footer a {
  color: var(--coral);
}

/* Forms */
form {
  background: var(--white);
  padding: 2rem;
  border-radius: 12px;
  max-width: 600px;
  margin: 0 auto;
  box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}

.form-group {
  margin-bottom: 1.2rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.4rem;
  font-weight: 600;
  color: var(--navy);
}

.form-group input, .form-group textarea, .form-group select {
  width: 100%;
  padding: 0.8rem;
  border: 1px solid #ccc;
  border-radius: 6px;
  font-size: 1rem;
}

/* Responsive Nav */
@media (max-width: 768px) {
  header {
    flex-direction: column;
    gap: 1rem;
  }
}