* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: #f5f7fb;
  color: #1f2937;
  line-height: 1.6;
}

.container {
  width: 90%;
  max-width: 1100px;
  margin: 0 auto;
}

header {
  background: #0f172a;
  color: white;
  padding: 18px 0;
}

.header-wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.logo {
  font-size: 24px;
  font-weight: 700;
  text-decoration: none;
  color: white;
}

nav a {
  color: white;
  text-decoration: none;
  margin-left: 18px;
  font-size: 15px;
}

nav a:hover {
  text-decoration: underline;
}

.hero {
  background: linear-gradient(135deg, #0f172a, #1d4ed8);
  color: white;
  padding: 70px 0;
}

.hero h1 {
  font-size: 42px;
  line-height: 1.2;
  margin: 0 0 16px;
}

.hero p {
  font-size: 18px;
  max-width: 760px;
  margin-bottom: 28px;
}

.btn-group {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 12px 20px;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 700;
}

.btn-primary {
  background: white;
  color: #0f172a;
}

.btn-secondary {
  background: #22c55e;
  color: white;
}

.section {
  padding: 55px 0;
}

.section h2 {
  font-size: 30px;
  margin-bottom: 12px;
}

.section p.lead {
  color: #4b5563;
  max-width: 760px;
  margin-bottom: 28px;
}

.grid {
  display: grid;
  gap: 22px;
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.card {
  background: white;
  border-radius: 16px;
  padding: 22px;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
}

.card h3 {
  margin-top: 0;
  margin-bottom: 10px;
  font-size: 20px;
}

.card p {
  margin: 0;
  color: #4b5563;
}

.highlight {
  background: #e0f2fe;
  border-left: 5px solid #0284c7;
  padding: 18px;
  border-radius: 10px;
}

.footer {
  background: #0f172a;
  color: white;
  padding: 28px 0;
  margin-top: 40px;
}

.footer p {
  margin: 0;
  font-size: 14px;
  color: #cbd5e1;
}

.page-header {
  background: #e2e8f0;
  padding: 45px 0;
}

.page-header h1 {
  margin: 0;
  font-size: 36px;
}

.content {
  padding: 45px 0;
}

.content-box {
  background: white;
  border-radius: 16px;
  padding: 28px;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
}

.content-box p:last-child {
  margin-bottom: 0;
}

.contact-box {
  background: #f8fafc;
  border: 1px solid #dbeafe;
  border-radius: 12px;
  padding: 18px;
  margin-top: 20px;
}

ul {
  padding-left: 20px;
}

@media (max-width: 768px) {
  .hero h1 {
    font-size: 32px;
  }

  nav a {
    margin-left: 0;
    margin-right: 14px;
  }
}