body {
  margin: 0;
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: #333;
}

.hero {
  background: url("logo.png") no-repeat center center/cover;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: white;
  position: relative;
}

.hero .overlay {
  background: rgba(0, 0, 0, 0.6);
  padding: 2rem;
  border-radius: 10px;
}

.hero-actions {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  align-items: center;
}

@media (min-width: 600px) {
  .hero-actions {
    flex-direction: row;
    justify-content: center;
  }
}

h1 {
  font-size: 3rem;
  margin-bottom: 0.5rem;
}

.section {
  padding: 3rem 2rem;
  text-align: center;
}

.section h2 {
  margin-bottom: 1rem;
  color: #004aad;
}

ul {
  list-style: none;
  padding: 0;
}

ul li {
  margin: 0.5rem 0;
}

a {
  color: #004aad;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.btn {
  display: inline-block;
  margin-top: 1rem;
  padding: 0.7rem 1.5rem;
  background: #004aad;
  color: white;
  border-radius: 5px;
  text-decoration: none;
}

.btn:hover {
  background: #00337a;
}

.btn-secondary {
  background: transparent;
  border: 2px solid #ffffff;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.2);
}

footer {
  background: #111;
  color: white;
  text-align: center;
  padding: 1rem;
}

.internal-header {
  background: #004aad;
  color: white;
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.internal-header a {
  color: white;
  font-weight: bold;
}

.internal-header nav a {
  margin-left: 1rem;
  font-weight: normal;
}

.intro {
  max-width: 800px;
  margin: 0 auto;
}

.plans-grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  max-width: 1100px;
  margin: 0 auto;
}

.plan-card {
  background: #f7f9fc;
  border-radius: 12px;
  padding: 2rem 1.5rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
  border: 1px solid rgba(0, 74, 173, 0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.plan-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 35px rgba(0, 0, 0, 0.12);
}

.plan-card.highlight {
  background: #004aad;
  color: white;
}

.plan-card h3 {
  margin-top: 0;
  font-size: 1.5rem;
}

.plan-card .price {
  font-size: 2rem;
  margin: 0.5rem 0 1rem;
}

.plan-card .duration {
  font-weight: bold;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 1rem;
  color: #004aad;
}

.plan-card.highlight .duration,
.plan-card.highlight a,
.plan-card.highlight .price {
  color: white;
}

.plan-features {
  margin: 1.5rem 0;
  padding: 0;
}

.plan-features li {
  margin: 0.5rem 0;
  position: relative;
  padding-left: 1.5rem;
}

.plan-features li::before {
  content: "✶";
  position: absolute;
  left: 0;
  color: #004aad;
}

.plan-card.highlight .plan-features li::before {
  color: #ffffff;
}

.plan-card .btn {
  margin-top: 1rem;
}

.guarantee {
  max-width: 700px;
  margin: 0 auto;
  background: rgba(0, 74, 173, 0.08);
  padding: 1.5rem;
  border-radius: 10px;
  border-left: 4px solid #004aad;
}