:root {
  --bg: #ffffff;
  --text: #222b40;
  --muted: #6b7280;
  --primary: #1a4d7a;
  --primary-light: #2a6c9f;
  --border: #d1d5db;
  --shadow: 0 8px 20px rgba(34, 43, 64, 0.08);
  --radius: 12px;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: 'Inter', 'Roboto', 'Helvetica', 'Arial', sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-light); }

.page {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2rem 1rem 4rem;
}

header {
  border-bottom: 1px solid var(--border);
  background: #f7f9fc;
  position: sticky;
  top: 0;
  z-index: 200;
  box-shadow: 0 2px 12px rgba(34, 43, 64, 0.06);
}

.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.8rem 1rem;
}

.nav-link { font-weight: 600; color: var(--text); padding: 0.5rem 0.7rem; border-radius: 8px; transition: background 0.2s ease, color 0.2s ease; }
.nav-link:focus-visible { outline: 3px solid #a0c6eb; outline-offset: 2px; }
.nav-link:hover { background: #ddeaf9; color: #0f2f4d; }

.brand { font-size: 1.3rem; font-weight: 700; color: var(--primary); }

.main-nav { display: flex; gap: 0.8rem; flex-wrap: wrap; }

.nav-link { font-weight: 600; color: var(--text); padding: 0.4rem 0.6rem; border-radius: 6px; }
.nav-link:hover { background: #e8eff7; }

.hero {
  padding: 3rem 1rem 2.5rem;
  display: grid;
  gap: 1rem;
  background: linear-gradient(120deg, rgba(26,77,122,0.08), rgba(211,227,245,0.05));
  border-radius: 16px;
  border: 1px solid rgba(51, 81, 117, 0.12);
  box-shadow: var(--shadow);
}

.hero h1 { margin: 0; font-size: clamp(1.8rem, 4vw, 2.8rem); color: #0f2f4d; }
.hero p { margin: 0.6rem 0 0; color: var(--muted); font-size: 1.05rem; }

section { margin-top: 2.3rem; }

.feature-boxes {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
}

.feature {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  box-shadow: 0 4px 14px rgba(34, 43, 64, 0.06);
}

.feature h3 { margin-top: 0; color: var(--primary); }

.kpi-grid {
  display: grid;
  gap: 0.8rem;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  align-items: stretch;
  margin-top: 1rem;
}

.kpi {
  background: #fff;
  border: 1px solid #dde8f7;
  border-radius: 12px;
  padding: 1rem;
  text-align: center;
}

.kpi strong { display: block; font-size: 1.5rem; color: var(--primary); }
.kpi span { color: var(--muted); font-size: 0.9rem; }

section h2 { margin-bottom: 0.8rem; color: #0f2f4d; }
section p, section li { color: #334155; }

.card-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
}

.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem;
  box-shadow: var(--shadow);
}

.btn-neutral {
  display: inline-block;
  padding: 0.7rem 1.1rem;
  border-radius: 8px;
  border: 1px solid var(--primary);
  color: var(--primary);
  font-weight: 600;
}

.btn-neutral:hover { background: #e8f1fb; }

table {
  width: 100%;
  border-collapse: collapse;
  margin: 0.8rem 0 0.4rem;
}

table th,
table td {
  border: 1px solid #d6dce8;
  padding: 0.65rem;
  text-align: left;
}

table th {
  background: #eef4fb;
  color: #0f2f4d;
  font-weight: 600;
}

table tbody tr:nth-child(odd) { background: #fbfdff; }

footer {
  background: #f8fafe;
  border-top: 1px solid var(--border);
  color: #4b5563;
  padding: 2rem 1rem;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.footer-links a { display: block; margin-bottom: 0.35rem; }

small { color: #6b7280; }

form {
  display: grid;
  gap: 0.9rem;
  max-width: 600px;
}

input, textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #ffffff;
  color: #182435;
}

label { font-weight: 600; }

@media (max-width: 768px) {
  .header-inner { flex-wrap: wrap; justify-content: center; }
  .main-nav { justify-content: center; }
}