:root {
  --color-primary: #0a4d68;
  --color-primary-dark: #07364a;
  --color-accent: #3db5d8;
  --color-background: #f5f7fb;
  --color-surface: #ffffff;
  --color-muted: #667085;
  --color-heading: #0f172a;
  --shadow-sm: 0 6px 16px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 32px 60px rgba(15, 23, 42, 0.12);
  --radius-lg: 18px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --max-width: 1200px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Inter", "Segoe UI", Roboto, sans-serif;
  background: var(--color-background);
  color: var(--color-heading);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a:hover,
a:focus {
  color: var(--color-primary);
}

img {
  max-width: 100%;
  display: block;
  border-radius: var(--radius-md);
}

.container {
  width: min(100% - 48px, var(--max-width));
  margin-inline: auto;
}

.site-header {
  background: var(--color-surface);
  border-bottom: 1px solid rgba(10, 77, 104, 0.1);
  position: sticky;
  top: 0;
  z-index: 10;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-block: 18px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
  color: var(--color-heading);
  letter-spacing: 0.02em;
}

.brand img {
  width: 42px;
  height: 42px;
  border-radius: 50%;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 28px;
  margin: 0;
  padding: 0;
}

.nav-links a {
  font-size: 0.98rem;
  font-weight: 500;
  color: var(--color-muted);
  transition: color 0.2s ease;
}

.nav-links a[aria-current="page"] {
  color: var(--color-primary);
}

.site-header .cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 18px;
  border-radius: 999px;
  background: rgba(10, 77, 104, 0.08);
  color: var(--color-primary);
  font-weight: 600;
  transition: background 0.2s ease;
}

.site-header .cta:hover,
.site-header .cta:focus {
  background: rgba(10, 77, 104, 0.16);
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 120px 0 90px;
  background: linear-gradient(135deg, rgba(10, 77, 104, 0.08), rgba(61, 181, 216, 0.12));
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, rgba(61, 181, 216, 0.25), transparent 55%),
    radial-gradient(circle at bottom left, rgba(10, 77, 104, 0.18), transparent 50%);
  opacity: 0.9;
}

.hero-content {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 56px;
  align-items: center;
}

.hero h1 {
  font-size: clamp(2.3rem, 3vw, 3.5rem);
  letter-spacing: -0.02em;
  margin-bottom: 18px;
}

.hero p {
  font-size: 1.1rem;
  color: var(--color-muted);
  margin-bottom: 32px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: var(--color-primary);
  color: #fff;
  padding: 14px 26px;
  border-radius: 999px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.button.secondary {
  background: transparent;
  color: var(--color-primary);
  border: 1px solid rgba(10, 77, 104, 0.24);
}

.button:hover,
.button:focus {
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.button.secondary:hover,
.button.secondary:focus {
  background: rgba(10, 77, 104, 0.06);
}

.badge-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 20px;
}

.badge {
  background: rgba(10, 77, 104, 0.08);
  color: var(--color-primary);
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
}

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
  margin-top: 60px;
}

.stat-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(15, 23, 42, 0.05);
}

.stat-value {
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: -0.03em;
  margin-bottom: 6px;
}

.section {
  padding: 90px 0;
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 48px;
}

.section-header h2 {
  font-size: clamp(1.9rem, 2.3vw, 2.5rem);
  margin-bottom: 16px;
}

.section-header p {
  color: var(--color-muted);
  margin: 0;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 28px;
}

.card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(15, 23, 42, 0.05);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.card h3 {
  margin: 0;
  font-size: 1.25rem;
}

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

.card a {
  margin-top: auto;
  font-weight: 600;
  color: var(--color-primary);
}

.image-panel {
  background: var(--color-surface);
  padding: 24px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.feature-list {
  display: grid;
  gap: 16px;
  margin-top: 24px;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.feature-item span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: rgba(61, 181, 216, 0.18);
  color: var(--color-primary);
  font-weight: 700;
}

.feature-item p {
  margin: 0;
  color: var(--color-muted);
}

.contact-section {
  background: linear-gradient(135deg, rgba(10, 77, 104, 0.94), rgba(10, 77, 104, 0.82));
  color: #f8fbfc;
  padding: 90px 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 36px;
  align-items: start;
}

.contact-card {
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: 32px;
  display: grid;
  gap: 16px;
}

.contact-card h3 {
  margin: 0;
}

.contact-card p,
.contact-card a {
  color: rgba(255, 255, 255, 0.88);
}

.contact-form {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-lg);
  display: grid;
  gap: 18px;
  color: var(--color-heading);
}

.contact-form label {
  font-weight: 600;
  color: var(--color-heading);
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(15, 23, 42, 0.08);
  font-size: 1rem;
  transition: border 0.2s ease, box-shadow 0.2s ease;
  font-family: inherit;
  color: var(--color-heading);
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(61, 181, 216, 0.2);
  outline: none;
}

.form-status {
  display: none;
  font-weight: 600;
}

.form-status.success {
  display: block;
  color: #1e9d74;
}

.form-status.error {
  display: block;
  color: #c12d3f;
}

.site-footer {
  background: #041926;
  color: rgba(255, 255, 255, 0.72);
  padding: 48px 0 36px;
  margin-top: 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 32px;
  align-items: start;
}

.footer-grid h4 {
  color: #fff;
  margin-top: 0;
}

.footer-bottom {
  margin-top: 32px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: space-between;
  font-size: 0.92rem;
}

.inline-link {
  color: var(--color-accent);
}

.page-hero {
  padding: 110px 0 70px;
  background: linear-gradient(120deg, rgba(10, 77, 104, 0.12), rgba(10, 77, 104, 0.02));
}

.page-hero h1 {
  font-size: clamp(2rem, 3vw, 3rem);
  margin-bottom: 16px;
}

.page-hero p {
  color: var(--color-muted);
  max-width: 640px;
}

.two-column {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 40px;
  align-items: center;
}

.highlight {
  background: rgba(10, 77, 104, 0.06);
  padding: 20px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(10, 77, 104, 0.12);
}

.contact-card .highlight {
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(255, 255, 255, 0.24);
  color: #fff;
}

.quote {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  border-left: 4px solid var(--color-primary);
  color: var(--color-muted);
  font-style: italic;
}

@media (max-width: 860px) {
  .nav-container {
    flex-wrap: wrap;
  }

  .nav-links {
    flex: 1 1 100%;
    justify-content: space-between;
    border-top: 1px solid rgba(15, 23, 42, 0.06);
    padding-top: 16px;
  }

  .site-header .cta {
    order: 3;
  }
}

@media (max-width: 600px) {
  .hero {
    padding: 90px 0 70px;
  }

  .stats {
    gap: 16px;
  }

  .contact-form {
    padding: 24px;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}