:root {
  --bg: #f4f7fb;
  --surface: #ffffff;
  --surface-2: #eef4fa;
  --text: #0f172a;
  --muted: #475569;
  --primary: #005a8d;
  --primary-dark: #003d62;
  --accent: #0ea5a4;
  --border: #dbe5ef;
  --shadow: 0 20px 50px rgba(15, 23, 42, 0.08);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text);
}

a { color: inherit; text-decoration: none; }
.container {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
}
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(12px);
  background: #005a8d;
  border-bottom: 1px solid rgba(219,229,239,0.8);
}
.nav-wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  min-height: 78px;
}
.brand { display: flex; align-items: center; gap: 0.9rem; }
.brand-mark img {
    height: 60px;
    width: auto;
    display: block;
}
.brand-title { font-weight: 800; color:#dbe5ef }
.brand-subtitle { color: #dbe5ef; font-size: 0.92rem; }
.navbar { display: flex; gap: 1.25rem; flex-wrap: wrap; }
.navbar a { color:#dbe5ef; font-weight: 600; }
.navbar a:hover { color: var(--primary); }

.hero {
  padding: 5rem 0 4rem;
  background:
    radial-gradient(circle at top right, rgba(14,165,164,0.14), transparent 25%),
    linear-gradient(180deg, #f8fbff 0%, #f4f7fb 100%);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.9fr;
  gap: 2rem;
  align-items: center;
}
.eyebrow {
  display: inline-block;
  margin-bottom: 1rem;
  color: var(--primary);
  font-weight: 700;
  letter-spacing: 0.02em;
}
.hero h1 {
  margin: 0 0 1rem;
  font-size: clamp(2rem, 4vw, 3.7rem);
  line-height: 1.08;
}
.hero-text {
  font-size: 1.08rem;
  color: var(--muted);
  max-width: 62ch;
}
.hero-actions, .modal-actions {
  display: flex;
  gap: 0.9rem;
  flex-wrap: wrap;
  margin-top: 1.5rem;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.95rem 1.3rem;
  border-radius: 12px;
  font-weight: 700;
  border: 1px solid transparent;
  transition: transform 0.15s ease, opacity 0.15s ease, background 0.15s ease;
  cursor: pointer;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-secondary { background: white; border-color: var(--border); color: var(--text); }
.hero-card, .card, .download-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  box-shadow: var(--shadow);
}
.hero-card { padding: 1.6rem; }
.hero-card h3 { margin-top: 0; }
.hero-card ul { padding-left: 1.2rem; color: var(--muted); }
.hero-card li + li { margin-top: 0.7rem; }
.section { padding: 4.5rem 0; }
.section.alt { background: #f9fbfd; }
.section-head { margin-bottom: 2rem; }
.section-head span {
  color: var(--primary);
  font-weight: 700;
  display: inline-block;
  margin-bottom: 0.5rem;
}
.section-head h2 {
  margin: 0;
  font-size: clamp(1.7rem, 2.5vw, 2.5rem);
}
.two-col {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.2rem;
}
.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
}
.card { padding: 1.5rem; }
.card h3 { margin-top: 0; }
.card p { color: var(--muted); }
.download-panel {
  padding: 1.7rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}
.panel-label {
  display: inline-block;
  margin-bottom: 0.45rem;
  color: var(--primary);
  font-weight: 700;
}
.footer {
  background: #0f172a;
  color: #d7deea;
  padding-top: 3rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 1fr;
  gap: 2rem;
}
.footer h4, .footer-title { color: white; }
.footer ul { list-style: none; padding: 0; margin: 0; }
.footer li + li { margin-top: 0.6rem; }
.footer a:hover { color: white; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.12);
  margin-top: 2rem;
  padding: 1.25rem 0;
  color: #b8c3d6;
}
.modal {
  position: fixed;
  inset: 0;
  background: rgba(2, 6, 23, 0.55);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  z-index: 100;
}
.modal.active { display: flex; }
.modal-card {
  width: min(620px, 100%);
  background: white;
  border-radius: 22px;
  padding: 2rem;
  box-shadow: 0 40px 80px rgba(2, 6, 23, 0.25);
}
.badge {
  display: inline-block;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  background: rgba(0,90,141,0.1);
  color: var(--primary);
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 1rem;
}
.modal-card p, .modal-card small { color: var(--muted); }

@media (max-width: 900px) {
  .hero-grid, .two-col, .cards-grid, .footer-grid, .download-panel {
    grid-template-columns: 1fr;
    display: grid;
  }
  .download-panel { align-items: flex-start; }
  .nav-wrap { padding: 0.8rem 0; align-items: flex-start; flex-direction: column; }
}