/* Reset & base */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
body {
  font-family: 'Inter', sans-serif;
  background-color: #fff;
  color: #222;
  line-height: 1.6;
}
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Navbar */
#navbar {
  position: fixed;
  width: 100%;
  background: #ffffffee;
  box-shadow: 0 2px 5px rgb(0 0 0 / 0.1);
  z-index: 999;
}
.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}
.logo img {
  height: 40px;
}
.nav-links {
  list-style: none;
  display: flex;
  gap: 25px;
}
.nav-links a {
  text-decoration: none;
  color: #1a73e8;
  font-weight: 600;
  transition: color 0.3s ease;
}
.nav-links a:hover {
  color: #0049b7;
}

/* Sections */
.section {
  padding: 100px 0 60px 0;
  scroll-margin-top: 70px;
}

/* Headings */
h1, h2, h3 {
  color: #111;
  margin-bottom: 15px;
}

/* About */
#about p {
  font-size: 1rem;
  max-width: 800px;
  color: white;
}

.banner {
  background: #004d40;
  padding: 120px 20px 50px;
  text-align: left;
}

.banner h1 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 15px;
  color: white;
}

.banner p {
  max-width: 700px;
  font-size: 0.8rem;
  line-height: 1.6;
}

/* Certifications */
.certifications-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 30px;
}
.cert-card {
  flex: 1 1 220px;
  text-align: center;
  border: 1px solid #ddd;
  padding: 20px;
  border-radius: 8px;
  transition: box-shadow 0.3s ease;
  background-color: #f9f9f9;
}
.cert-card img {
  max-width: 80px;
  margin-bottom: 12px;
}
.cert-card p {
  font-weight: 600;
}

/* Services */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit,minmax(220px,1fr));
  gap: 30px;
}
.service-card {
  background: #f0f6ff;
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 2px 8px rgb(26 115 232 / 0.2);
  text-align: center;
  transition: box-shadow 0.3s ease;
}
.service-card:hover {
  box-shadow: 0 6px 15px rgb(26 115 232 / 0.4);
}
.service-card img {
  width: 60px;
  margin-bottom: 15px;
}
.service-card h3 {
  margin-bottom: 10px;
  color: #1a73e8;
}

/* Contact Form */
form {
  background: white;
  padding: 1.5rem;
  border-radius: 8px;
  max-width: 480px;
  margin: 0 auto;
  box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}
input[type="text"],
input[type="email"],
textarea {
  width: 100%;
  padding: 0.6rem;
  margin-bottom: 1rem;
  border: 1px solid #ccc;
  border-radius: 4px;
  font-size: 1rem;
  resize: vertical;
}
button {
  background-color: #00796b;
  color: white;
  border: none;
  padding: 0.7rem 1.5rem;
  font-size: 1rem;
  border-radius: 4px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}
button:hover {
  background-color: #004d40;
}

/* Footer */
footer {
  background-color: #004d40;
  color: white;
  text-align: center;
  padding: 1rem 0;
}

/* Fade-in animation */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  animation-fill-mode: forwards;
  animation-name: fadeInUp;
  animation-duration: 0.7s;
  animation-timing-function: ease-out;
  animation-delay: 0.2s;
}
@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
