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

body {
  font-family: 'Segoe UI', Arial, sans-serif;
  background: linear-gradient(to bottom right, #d4f1f9, #b8dfe8);
  color: #003d5c;
  line-height: 1.8;
  font-size: 1.1rem;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: #0d5e7a;
  color: white;
  padding: 1.5rem 3rem;
  box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

header img {
  height: 140px;
  max-width: 550px;
  object-fit: contain;
  order: 2;
  filter: drop-shadow(2px 2px 4px rgba(0,0,0,0.2));
  background: white;
  padding: 0.8rem 1.5rem;
  border-radius: 12px;
}

header nav {
  order: 1;
}

nav a {
  color: white;
  margin: 0 1.2rem;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.2rem;
  transition: opacity 0.3s;
}

nav a:hover {
  opacity: 0.8;
  text-decoration: underline;
}

nav a.active {
  border-bottom: 3px solid white;
}

.banner {
  background: linear-gradient(135deg, #0d5e7a 0%, #1e88a8 100%);
  color: white;
  text-align: left;
  padding: 4rem 2rem;
  position: relative;
  overflow: hidden;
}

.banner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><rect width="100" height="100" fill="none"/><path d="M0 50 Q 25 30, 50 50 T 100 50" stroke="rgba(255,255,255,0.1)" stroke-width="2" fill="none"/></svg>') repeat;
  opacity: 0.3;
}

.banner-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  margin: 0;
  padding-left: 5%;
}

.banner h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
  color: white;
  text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
}

.banner p {
  font-size: 1.3rem;
  margin-bottom: 2rem;
  opacity: 0.95;
}

section {
  padding: 4rem 10%;
  background-color: white;
  margin: 2rem auto;
  border-radius: 15px;
  box-shadow: 0 6px 12px rgba(0,0,0,0.1);
  max-width: 1000px;
}

h2, h3 {
  color: #0d5e7a;
  margin-bottom: 1.5rem;
}

h2 {
  font-size: 2rem;
  text-align: center;
}

h3 {
  font-size: 1.5rem;
  margin-top: 2rem;
}

p {
  margin-bottom: 1rem;
}

ul {
  margin: 1rem 0 1rem 2rem;
  text-align: left;
}

li {
  margin-bottom: 0.8rem;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.service-card {
  background: linear-gradient(to bottom, #e8f7fb, #d4f1f9);
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 4px 8px rgba(0,0,0,0.08);
  transition: transform 0.3s;
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 6px 15px rgba(0,0,0,0.15);
}

.service-card h3 {
  margin-top: 0;
  color: #0d5e7a;
}

.button {
  display: inline-block;
  padding: 0.8rem 1.8rem;
  background-color: #0d5e7a;
  color: white;
  border-radius: 8px;
  text-decoration: none;
  margin-top: 1rem;
  font-weight: bold;
  transition: background-color 0.3s;
  cursor: pointer;
}

.button:hover {
  background-color: #084b5f;
}

.contact-info {
  background: #e8f7fb;
  padding: 2rem;
  border-radius: 10px;
  margin-top: 2rem;
}

.faq-item {
  background: #f0fafd;
  padding: 1.5rem;
  margin-bottom: 1rem;
  border-radius: 8px;
  border-left: 4px solid #0d5e7a;
  text-align: left;
}

.faq-item h3 {
  margin-top: 0;
  font-size: 1.3rem;
}

footer {
  background-color: #053649;
  color: #d4f1f9;
  padding: 2rem;
  text-align: center;
  font-size: 1rem;
}

footer a {
  color: #6bc5e8;
  text-decoration: none;
}

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

@media (max-width: 768px) {
  header {
    flex-direction: column;
    padding: 1rem;
  }
  header img {
    order: 1;
    margin-bottom: 1rem;
    height: 100px;
    max-width: 90%;
  }
  header nav {
    order: 2;
  }
  nav {
    margin-top: 1rem;
  }
  nav a {
    margin: 0 0.5rem;
    font-size: 1rem;
  }
  .banner h1 {
    font-size: 2rem;
  }
  .banner-content {
    padding-left: 0;
    text-align: center;
  }
  section {
    padding: 2rem 5%;
  }
}