/* RESET + FONT */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
}

body {
  background: #f5f7fa;
  color: #0b1f33;
}

/* NAV */
nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 40px;
  background: white;
  border-bottom: 1px solid #e5e7eb;
}

nav h1 {
  font-size: 22px;
  font-weight: 800;
  color: #0b3c5d;
}

nav a {
  text-decoration: none;
  margin-left: 20px;
  color: #0b1f33;
  font-weight: 500;
}

/* HERO */
.hero {
  padding: 80px 20px;
  text-align: center;
  background: linear-gradient(135deg, #0b3c5d, #1e6091);
  color: white;
}

.hero h2 {
  font-size: 42px;
  max-width: 800px;
  margin: 0 auto 20px;
  font-weight: 800;
}

.hero p {
  font-size: 18px;
  max-width: 600px;
  margin: 0 auto 35px;
  opacity: 0.95;
}

.hero button {
  padding: 14px 28px;
  font-size: 16px;
  border: none;
  border-radius: 8px;
  background: white;
  color: #0b3c5d;
  font-weight: 700;
  cursor: pointer;
}

/* FEATURES */
.features {
  padding: 70px 20px;
  max-width: 1100px;
  margin: auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 30px;
}

.feature {
  background: white;
  padding: 30px;
  border-radius: 14px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.06);
}

.feature h3 {
  margin-bottom: 12px;
  color: #0b3c5d;
}

.feature p {
  font-size: 15px;
  line-height: 1.6;
  color: #4b5563;
}

/* CTA */
.cta {
  background: white;
  padding: 70px 20px;
  text-align: center;
  border-top: 1px solid #e5e7eb;
}

.cta h2 {
  font-size: 32px;
  margin-bottom: 15px;
}

.cta p {
  max-width: 600px;
  margin: 0 auto 30px;
  color: #4b5563;
}

.cta button {
  padding: 14px 28px;
  font-size: 16px;
  border-radius: 8px;
  border: none;
  background: #0b3c5d;
  color: white;
  font-weight: 700;
  cursor: pointer;
}

/* PRODUCTS PAGE */
.products-container {
  max-width: 1100px;
  margin: 50px auto;
  padding: 0 20px;
  text-align: center;
}

.products {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 25px;
  margin-top: 30px;
}

.product-item {
  background: white;
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.08);
  cursor: pointer;
  transition: transform 0.2s;
}

.product-item:hover {
  transform: scale(1.05);
}

.product-item img {
  width: 100%;
  border-radius: 5px;
}

.product-item h3 {
  margin-top: 15px;
  font-size: 18px;
}

/* FOOTER */
footer {
  text-align: center;
  padding: 25px;
  font-size: 14px;
  color: #6b7280;
}