* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: Arial, sans-serif;
}

body {
  color: #333;
  background: #fff;
}

.top-header {
  height: 70px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 25px 10%;
  background: #fff;
  border-bottom: 1px solid #eee;
}

.logo {
  font-size: 24px;
  font-weight: bold;
  color: #2364c8;
}

.info {
  display: flex;
  gap: 30px;
  font-size: 13px;
  font-weight: bold;
  color: #555;
}

.navbar {
  padding: 15px 10%;
  display: flex;
  justify-content: space-between;
  background: #fff;
  box-shadow: 0 3px 10px #00000010;
}

.navbar ul {
  display: flex;
  gap: 30px;
  list-style: none;
}

.navbar a {
  text-decoration: none;
  color: #333;
  font-size: 14px;
}

.menu-btn {
  display: none;
  border: none;
  background: none;
  font-size: 28px;
}

.hero {
  display: flex;
  min-height: 560px;
  padding: 70px 10%;
  background: linear-gradient(90deg, #f5f8ff, #ffffff);
  align-items: center;
  justify-content: space-between;
}

.hero-content {
  max-width: 500px;
}

.hero h1 {
  font-size: 52px;
  font-weight: 300;
  color: #333;
}

.hero h1 strong {
  color: #2364c8;
}

.hero p {
  margin: 20px 0;
  color: #666;
  line-height: 1.6;
}

.icons {
  display: flex;
  gap: 15px;
  margin: 25px 0;
}

.icons div {
  width: 55px;
  height: 55px;
  border: 1px solid #d6e0ff;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  font-size: 24px;
  background: #fff;
}

.btn {
  display: inline-block;
  background: #2364c8;
  color: #fff;
  padding: 15px 30px;
  text-decoration: none;
  border-radius: 30px;
}

.hero-img img {
  max-width: 520px;
  border-radius: 20px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  max-width: 1100px;
  margin: -70px auto 80px;
  border-radius: 12px;
  overflow: hidden;
  position: relative;
  z-index: 2;
}

.card {
  padding: 45px;
  color: #fff;
}

.blue {
  background: #3459b8;
}

.dark-blue {
  background: #486de0;
}

.green {
  background: #38c9c3;
}

.card h3 {
  margin-bottom: 15px;
}

.card p {
  margin-bottom: 12px;
  font-size: 14px;
}

.about {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 70px 10%;
  gap: 50px;
}

.about h2,
.specialties h2,
.contact h2 {
  font-size: 38px;
  margin-bottom: 20px;
}

.about p {
  line-height: 1.7;
  margin-bottom: 20px;
  color: #666;
}

.about ul {
  list-style: none;
  line-height: 2;
}

.about img {
  width: 420px;
  border-radius: 20px;
}

.specialties {
  padding: 70px 10%;
  background: #f5f8ff;
  text-align: center;
}

.grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 25px;
  margin-top: 35px;
}

.grid div {
  padding: 35px;
  background: #fff;
  border-radius: 15px;
  box-shadow: 0 10px 25px #00000010;
  font-weight: bold;
}

.contact {
  text-align: center;
  padding: 80px 10%;
}

.contact p {
  margin-bottom: 25px;
}

.whatsapp {
  background: #25d366;
  color: #fff;
  padding: 16px 35px;
  border-radius: 30px;
  text-decoration: none;
  font-weight: bold;
}

footer {
  text-align: center;
  padding: 25px;
  background: #1f2b46;
  color: #fff;
}

@media (max-width: 900px) {
  .info {
    display: none;
  }

  .menu-btn {
    display: block;
  }

  .navbar ul {
    display: none;
    position: absolute;
    top: 120px;
    left: 0;
    width: 100%;
    background: #fff;
    flex-direction: column;
    padding: 30px;
    box-shadow: 0 10px 20px #00000020;
  }

  .navbar ul.active {
    display: flex;
  }

  .hero {
    flex-direction: column;
    text-align: center;
  }

  .hero h1 {
    font-size: 38px;
  }

  .hero-img img {
    width: 100%;
    margin-top: 40px;
  }

  .cards {
    grid-template-columns: 1fr;
    margin: 0 20px 50px;
  }

  .about {
    flex-direction: column;
    text-align: center;
  }

  .about img {
    width: 100%;
  }

  .grid {
    grid-template-columns: 1fr;
  }
}