:root {
  --navy: #0b1b3b;
  --green: #1f7a5c;
  --charcoal: #222831;
  --light-bg: #f5f7fb;
  --card-bg: #ffffff;
  --accent: #3b82f6;
  --radius: 10px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--charcoal);
  background: #ffffff;
  line-height: 1.6;
}

.container {
  width: 90%;
  max-width: 1000px;
  margin: 0 auto;
}

.site-header {
  background: #ffffff;
  border-bottom: 1px solid #e5e7eb;
  position: sticky;
  top: 0;
  z-index: 10;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 0;
}

.logo {
  font-weight: 700;
  color: var(--navy);
}

nav a {
  margin-left: 1rem;
  text-decoration: none;
  color: #4b5563;
  font-size: 0.95rem;
}

nav a:hover {
  color: var(--navy);
}

.hero {
  background: linear-gradient(135deg, var(--navy), var(--green));
  color: #ffffff;
  padding: 4rem 0 3.5rem;
}

.hero-content {
  max-width: 650px;
}

.tagline {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.8rem;
  opacity: 0.85;
}

.hero h1 {
  font-size: 2.2rem;
  margin: 0.75rem 0;
}

.hero-text {
  font-size: 1rem;
  max-width: 550px;
  opacity: 0.95;
}

.btn-primary {
  display: inline-block;
  margin-top: 1.25rem;
  padding: 0.75rem 1.5rem;
  background: #ffffff;
  color: var(--navy);
  border-radius: 999px;
  border: none;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
}

.btn-primary:hover {
  background: #e5e7eb;
}

.section {
  padding: 3rem 0;
}

.section-alt {
  background: var(--light-bg);
}

.section h2 {
  margin-top: 0;
  font-size: 1.6rem;
  color: var(--navy);
}

.section-intro {
  max-width: 550px;
  color: #4b5563;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.06);
}

.card h3 {
  margin-top: 0;
  color: var(--navy);
}

.price {
  font-weight: 700;
  color: var(--green);
  margin-bottom: 0.5rem;
}

.card ul {
  padding-left: 1.1rem;
  margin: 0.75rem 0 0;
}

.card li {
  margin-bottom: 0.25rem;
}

.form {
  margin-top: 1.5rem;
  max-width: 500px;
  display: grid;
  gap: 1rem;
}

.form label {
  display: flex;
  flex-direction: column;
  font-size: 0.9rem;
  color: #374151;
}

input,
select,
textarea {
  margin-top: 0.35rem;
  padding: 0.6rem 0.7rem;
  border-radius: 8px;
  border: 1px solid #d1d5db;
  font: inherit;
}

input:focus,
select:focus,
textarea:focus {
  outline: 2px solid var(--accent);
  border-color: var(--accent);
}

.note {
  font-size: 0.85rem;
  color: #6b7280;
  margin-top: 0.75rem;
}

.site-footer {
  background: #0f172a;
  color: #e5e7eb;
  padding: 1.5rem 0;
  font-size: 0.85rem;
}

.footer-content {
  text-align: center;
}

@media (max-width: 700px) {
  .nav {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.35rem;
  }

  nav a {
    margin-left: 0;
    margin-right: 0.75rem;
  }

  .hero {
    padding: 3rem 0 2.5rem;
  }

  .hero h1 {
    font-size: 1.8rem;
  }
}
