:root {
  --bg: #edf1f4;
  --bg-accent: #d9e2eb;
  --surface: #ffffff;
  --surface-alt: #f7f9fb;
  --text: #122234;
  --text-muted: #4f6072;
  --primary: #0f2c4f;
  --primary-strong: #0b223e;
  --accent: #2f7ab8;
  --accent-soft: #d9ebfb;
  --border: #d9e1e8;
  --shadow: 0 18px 45px rgba(12, 27, 44, 0.08);
  --radius-lg: 18px;
  --radius-md: 12px;
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2rem;
  --space-5: 3rem;
  --space-6: 4rem;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  font-family: "Manrope", "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.6;
  background:
    radial-gradient(circle at 15% 0%, var(--bg-accent), transparent 50%),
    radial-gradient(circle at 95% 15%, #e9eff6, transparent 45%),
    var(--bg);
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

a:focus-visible,
button:focus-visible {
  outline: 3px solid #ffb347;
  outline-offset: 3px;
}

.container {
  width: min(1100px, calc(100% - 2rem));
  margin: 0 auto;
}

.site-header {
  padding-top: var(--space-3);
}

.top-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-3);
  padding: 0.8rem 1rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(8px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--primary);
  font-weight: 800;
  letter-spacing: 0.02em;
}

.brand img {
  width: 34px;
  height: 34px;
  border-radius: 8px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  font-weight: 600;
}

.nav-links a {
  color: var(--text);
}

.btn,
.btn-secondary {
  display: inline-block;
  padding: 0.75rem 1.2rem;
  border-radius: 10px;
  font-weight: 700;
  border: 1px solid transparent;
  text-decoration: none;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.btn {
  background: var(--primary);
  color: #fff;
}

.btn:hover {
  background: var(--primary-strong);
  text-decoration: none;
}

.btn-secondary {
  background: var(--surface-alt);
  color: var(--primary);
  border-color: var(--border);
}

.btn-secondary:hover {
  background: #eef3f8;
  text-decoration: none;
}

.hero {
  margin-top: var(--space-4);
  padding: var(--space-6) var(--space-4);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  background:
    linear-gradient(130deg, rgba(8, 31, 58, 0.96), rgba(11, 47, 84, 0.88) 55%, rgba(23, 93, 146, 0.78)),
    url("/logo.png") right -140px bottom -120px/360px auto no-repeat;
  color: #fff;
}

.hero h1 {
  margin: 0;
  max-width: 18ch;
  font-family: "Source Serif 4", Georgia, serif;
  font-size: clamp(2.1rem, 4vw, 3.4rem);
  line-height: 1.12;
}

.hero p {
  max-width: 65ch;
  margin-top: var(--space-2);
  margin-bottom: var(--space-3);
  color: #d8e3ee;
}

.hero-actions {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.hero .btn-secondary {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.3);
  color: #fff;
}

main {
  padding-bottom: var(--space-6);
}

.section {
  margin-top: var(--space-5);
}

.section h2 {
  font-family: "Source Serif 4", Georgia, serif;
  font-size: clamp(1.45rem, 2vw, 2rem);
  margin: 0 0 var(--space-2);
  color: var(--primary);
}

.section p {
  max-width: 72ch;
  margin: 0 0 var(--space-2);
  color: var(--text-muted);
}

.grid {
  display: grid;
  gap: var(--space-3);
}

.grid.cols-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid.cols-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  box-shadow: 0 10px 30px rgba(18, 34, 52, 0.06);
}

.card h3 {
  margin: 0 0 0.65rem;
  color: var(--primary);
  font-size: 1.05rem;
}

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

.list-clean {
  margin: 0;
  padding-left: 1.2rem;
}

.stat {
  border-left: 3px solid var(--accent);
  padding-left: 0.9rem;
  color: var(--text-muted);
}

.legal-note {
  margin-top: var(--space-4);
  padding: var(--space-2);
  background: var(--accent-soft);
  border: 1px solid #bcd7ef;
  border-radius: 10px;
  color: #1a3654;
  font-size: 0.96rem;
}

.content-shell {
  margin-top: var(--space-4);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: var(--space-5) var(--space-4);
}

.content-shell h1 {
  font-family: "Source Serif 4", Georgia, serif;
  color: var(--primary);
  margin: 0 0 var(--space-2);
  font-size: clamp(2rem, 3vw, 2.6rem);
}

.content-shell h2 {
  margin-top: var(--space-4);
  color: var(--primary);
  font-size: 1.25rem;
}

.site-footer {
  margin-top: var(--space-5);
  background: var(--primary-strong);
  color: #d0dfef;
  padding: var(--space-4) 0;
}

.footer-grid {
  display: grid;
  gap: var(--space-2);
  grid-template-columns: 1.2fr 1fr 1fr;
}

.site-footer a {
  color: #9fc7ef;
}

.small {
  font-size: 0.9rem;
}

@media (max-width: 980px) {
  .grid.cols-4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 760px) {
  body {
    font-size: 16px;
  }

  .top-nav {
    border-radius: 16px;
    flex-direction: column;
    align-items: flex-start;
  }

  .nav-links {
    flex-wrap: wrap;
    gap: 0.9rem;
  }

  .hero {
    padding: var(--space-4) var(--space-3);
    background:
      linear-gradient(130deg, rgba(8, 31, 58, 0.96), rgba(11, 47, 84, 0.9)),
      url("/logo.png") right -95px bottom -85px/260px auto no-repeat;
  }

  .content-shell {
    padding: var(--space-4) var(--space-3);
  }

  .grid.cols-2,
  .grid.cols-4,
  .footer-grid {
    grid-template-columns: 1fr;
  }
}