/* NVAK Website Styles */
:root {
  --bg: #f8fafc;
  --text: #1f2937;
  --muted: #6b7280;
  --primary: #0f172a;
  --accent: #2563eb;
  --card: #ffffff;
  --border: #e5e7eb;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

header {
  background: var(--primary);
  color: white;
  padding: 24px 8%;
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.logo {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: 1px;
}

nav a {
  color: white;
  text-decoration: none;
  margin-left: 22px;
  font-weight: 500;
}

nav a:hover {
  color: #bfdbfe;
}

.hero {
  padding: 80px 8%;
  background: linear-gradient(135deg, #0f172a, #1e3a8a);
  color: white;
}

.hero h1 {
  font-size: 46px;
  line-height: 1.15;
  margin: 0 0 20px;
  max-width: 900px;
}

.hero p {
  font-size: 20px;
  max-width: 760px;
  color: #e5e7eb;
}

.btn {
  display: inline-block;
  margin-top: 24px;
  padding: 12px 20px;
  background: white;
  color: #0f172a;
  text-decoration: none;
  border-radius: 8px;
  font-weight: 700;
}

.btn:hover {
  background: #dbeafe;
}

section {
  padding: 56px 8%;
}

.section-title {
  font-size: 32px;
  margin-bottom: 12px;
  color: var(--primary);
}

.section-subtitle {
  color: var(--muted);
  max-width: 780px;
  margin-bottom: 32px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px;
  box-shadow: 0 8px 22px rgba(15, 23, 42, 0.06);
}

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

ul {
  padding-left: 20px;
}

.cta {
  background: #e0ecff;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.contact-box {
  background: white;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 28px;
  max-width: 760px;
  box-shadow: 0 8px 22px rgba(15, 23, 42, 0.06);
}

footer {
  background: #0f172a;
  color: #cbd5e1;
  padding: 28px 8%;
  text-align: center;
}

footer a {
  color: #bfdbfe;
}

@media (max-width: 900px) {
  .grid {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    font-size: 36px;
  }

  nav a {
    margin-left: 0;
    margin-right: 16px;
  }
}