* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  color: #15324a;
  background: #f5fbff;
  line-height: 1.6;
}

.hero {
  min-height: 90vh;
  background:
    linear-gradient(120deg, rgba(3, 92, 150, 0.92), rgba(33, 178, 219, 0.82)),
    url('https://images.unsplash.com/photo-1576091160550-2173dba999ef?auto=format&fit=crop&w=1600&q=80');
  background-size: cover;
  background-position: center;
  color: white;
  padding: 28px 7%;
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.logo span {
  color: #bff3ff;
}

.btn-nav,
.btn-primary {
  display: inline-block;
  text-decoration: none;
  border-radius: 999px;
  font-weight: 700;
  transition: 0.2s ease;
}

.btn-nav {
  color: #065f93;
  background: white;
  padding: 11px 20px;
}

.btn-primary {
  color: #065f93;
  background: white;
  padding: 15px 26px;
  margin-top: 24px;
}

.btn-nav:hover,
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(0,0,0,0.18);
}

.hero-content {
  display: grid;
  grid-template-columns: 1.5fr 0.8fr;
  gap: 40px;
  align-items: center;
  min-height: 75vh;
}

.tag {
  display: inline-block;
  background: rgba(255,255,255,0.18);
  border: 1px solid rgba(255,255,255,0.28);
  padding: 8px 14px;
  border-radius: 999px;
  margin-bottom: 18px;
}

.hero h1 {
  max-width: 760px;
  font-size: clamp(38px, 6vw, 68px);
  line-height: 1.05;
  margin-bottom: 22px;
}

.hero-text p {
  max-width: 650px;
  font-size: 18px;
}

.hero-card {
  background: rgba(255,255,255,0.16);
  border: 1px solid rgba(255,255,255,0.28);
  backdrop-filter: blur(12px);
  border-radius: 28px;
  padding: 32px;
  box-shadow: 0 24px 60px rgba(0,0,0,0.2);
}

.section {
  padding: 80px 7%;
  text-align: center;
}

.section h2 {
  font-size: clamp(30px, 4vw, 46px);
  color: #064f7d;
  margin-bottom: 12px;
}

.section-subtitle {
  max-width: 720px;
  margin: 0 auto 42px;
  color: #4f6b7d;
}

.cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.card {
  background: white;
  border-radius: 24px;
  padding: 30px 22px;
  box-shadow: 0 16px 40px rgba(8, 75, 118, 0.12);
  text-align: left;
}

.icon {
  width: 48px;
  height: 48px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  background: #dff7ff;
  color: #047db1;
  font-weight: 900;
  margin-bottom: 18px;
}

.card h3 {
  color: #064f7d;
  margin-bottom: 10px;
}

.card p {
  color: #526b7b;
}

.banner {
  margin: 0 7%;
  padding: 58px 7%;
  border-radius: 32px;
  background: linear-gradient(120deg, #047db1, #29c4df);
  color: white;
  text-align: center;
}

.banner h2 {
  font-size: clamp(28px, 4vw, 44px);
  margin-bottom: 10px;
}

.contact {
  display: grid;
  grid-template-columns: 0.85fr 1fr;
  gap: 36px;
  text-align: left;
  align-items: start;
}

.contact-info p {
  color: #526b7b;
  margin: 16px 0 24px;
}

.contact-info ul {
  list-style: none;
}

.contact-info li {
  margin-bottom: 12px;
  color: #315a70;
}

.form {
  background: white;
  border-radius: 28px;
  padding: 32px;
  box-shadow: 0 18px 45px rgba(8, 75, 118, 0.14);
}

.form label {
  display: block;
  font-weight: 700;
  color: #064f7d;
  margin-bottom: 6px;
  margin-top: 14px;
}

.form input,
.form textarea {
  width: 100%;
  border: 1px solid #cfe7f2;
  border-radius: 14px;
  padding: 14px 15px;
  font-size: 16px;
  outline: none;
}

.form input:focus,
.form textarea:focus {
  border-color: #22b8d4;
  box-shadow: 0 0 0 4px rgba(34,184,212,0.14);
}

.form button {
  width: 100%;
  border: none;
  border-radius: 999px;
  background: #047db1;
  color: white;
  padding: 16px 20px;
  font-size: 17px;
  font-weight: 800;
  margin-top: 24px;
  cursor: pointer;
}

.form button:hover {
  background: #03618a;
}

footer {
  text-align: center;
  padding: 28px 7%;
  color: #5c7585;
  background: white;
}

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

  .cards {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero-card {
    max-width: 500px;
  }
}

@media (max-width: 560px) {
  .navbar {
    gap: 16px;
    align-items: flex-start;
    flex-direction: column;
  }

  .cards {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 56px 6%;
  }

  .banner {
    margin: 0 6%;
    padding: 42px 8%;
  }

  .form {
    padding: 24px;
  }
}