:root {
  --primary: #0b5d7a;
  --primary-dark: #073b4c;
  --accent: #ffb703;
  --background: #f5f8fa;
  --surface: #ffffff;
  --text: #18323d;
  --muted: #5d7078;
  --border: #dce7eb;
  --shadow: 0 14px 32px rgba(7, 59, 76, 0.12);
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--background);
  color: var(--text);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.6;
}

a {
  color: inherit;
}

.site-header {
  align-items: center;
  background: rgba(7, 59, 76, 0.96);
  color: #ffffff;
  display: flex;
  justify-content: space-between;
  padding: 1rem clamp(1.25rem, 5vw, 4rem);
  position: sticky;
  top: 0;
  z-index: 10;
}

.logo {
  font-size: 1.35rem;
  font-weight: 700;
  text-decoration: none;
}

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

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
}

nav a {
  font-size: 0.95rem;
  text-decoration: none;
}

nav a:hover,
nav a:focus-visible {
  color: var(--accent);
}

.hero {
  align-items: center;
  background:
    radial-gradient(circle at 20% 20%, rgba(255, 183, 3, 0.3), transparent 28%),
    linear-gradient(135deg, #073b4c 0%, #0b7285 55%, #3aa6b9 100%);
  color: #ffffff;
  display: flex;
  min-height: 78vh;
  padding: 5rem clamp(1.25rem, 8vw, 8rem);
}

.hero-small {
  min-height: 52vh;
}

.hero-content {
  max-width: 760px;
}

.eyebrow {
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  margin-bottom: 0.75rem;
  text-transform: uppercase;
}

.hero h1 {
  font-size: clamp(2.5rem, 7vw, 5rem);
  line-height: 1.05;
  margin-bottom: 1.25rem;
}

.hero p:not(.eyebrow) {
  font-size: clamp(1rem, 2vw, 1.25rem);
  margin-bottom: 2rem;
  max-width: 620px;
}

.button {
  background: var(--accent);
  border: 2px solid var(--accent);
  border-radius: 0.65rem;
  color: var(--primary-dark);
  display: inline-block;
  font-weight: 700;
  padding: 0.8rem 1.25rem;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.button:hover,
.button:focus-visible {
  box-shadow: 0 8px 20px rgba(255, 183, 3, 0.25);
  transform: translateY(-2px);
}

.button-secondary {
  background: transparent;
  border-color: var(--primary);
  color: var(--primary);
}

.section {
  margin: 0 auto;
  max-width: 1200px;
  padding: 5rem clamp(1.25rem, 5vw, 4rem);
}

.section-heading {
  margin: 0 auto 2.5rem;
  max-width: 680px;
  text-align: center;
}

.section-heading h2,
.about h2,
.contact h2 {
  font-size: clamp(1.8rem, 4vw, 2.75rem);
  line-height: 1.2;
  margin-bottom: 0.75rem;
}

.section-heading p:last-child,
.about > p,
.contact > p {
  color: var(--muted);
}

.cards {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 1rem;
  box-shadow: var(--shadow);
  padding: 2rem;
  transition: transform 0.2s ease;
}

.card:hover {
  transform: translateY(-5px);
}

.card-icon {
  display: block;
  font-size: 2.6rem;
  margin-bottom: 1rem;
}

.card h3 {
  margin-bottom: 0.55rem;
}

.card p {
  color: var(--muted);
}

.section-action {
  margin-top: 2.5rem;
  text-align: center;
}

.section-alt {
  background: #e8f2f5;
  border-radius: 1.25rem;
}

.about {
  align-items: center;
  display: grid;
  gap: 3rem;
  grid-template-columns: 1fr 1fr;
}

.contact {
  text-align: center;
}

.contact > p {
  margin: 0 auto 1.5rem;
  max-width: 600px;
}

footer {
  background: var(--primary-dark);
  color: #dce7eb;
  padding: 1.5rem;
  text-align: center;
}

@media (max-width: 760px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.75rem;
  }

  nav {
    gap: 0.75rem 1rem;
  }

  .hero {
    min-height: 65vh;
  }

  .cards,
  .about {
    grid-template-columns: 1fr;
  }

  .section {
    padding-block: 3.5rem;
  }
}
