/* Reset styles */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; color: #333; line-height: 1.6; background-color: #f9f9f9; }

/* Sticky Navigation */
header {
  position: relative;
  color: white;
  text-align: center;
  padding: 100px 20px 60px;
  background: linear-gradient(135deg, #0d47a1, #1976d2);
  background-size: 400% 400%;
  animation: gradientAnimation 15s ease infinite;
  z-index: 10;
}
nav {
  position: sticky;
  top: 0;
  background: rgba(13,71,161,0.95);
  display: flex;
  justify-content: center;
  padding: 10px 0;
  z-index: 1000;
  backdrop-filter: blur(5px);
}
nav a {
  color: white;
  text-decoration: none;
  margin: 0 15px;
  font-weight: bold;
  transition: color 0.3s, transform 0.3s;
  padding: 5px 10px;
  border-radius: 5px;
}
nav a:hover, nav a.active {
  color: #ffca28;
  transform: scale(1.1);
  background-color: rgba(255, 255, 255, 0.1);
}

header h1 { font-size: 3rem; margin-bottom: 20px; animation: fadeInDown 1s ease forwards; }
header p { font-size: 1.2rem; color: #cfd8dc; margin-bottom: 30px; animation: fadeInUp 1s ease forwards; }
header .cta-btn {
  background-color: #ffca28;
  color: #0d47a1;
  padding: 15px 30px;
  font-weight: bold;
  text-decoration: none;
  border-radius: 8px;
  transition: transform 0.3s, background 0.3s;
}
header .cta-btn:hover { transform: scale(1.05); background-color: #ffc107; }

section { padding: 80px 20px; max-width: 1200px; margin: auto; opacity: 0; transform: translateY(50px); transition: all 0.8s ease-in-out; }
section.visible { opacity: 1; transform: translateY(0); }

.intro { text-align: center; margin-bottom: 60px; }
.intro h2 { font-size: 2rem; margin-bottom: 20px; }
.intro p { font-size: 1.1rem; color: #555; max-width: 700px; margin: auto; }

/* Horizontal scroll logos */
.logos-container {
  overflow-x: auto;
  padding: 20px 0;
  display: flex;
  gap: 40px;
  scrollbar-width: none;
}
.logos-container::-webkit-scrollbar { display: none; }
.logos img { max-width: 100px; filter: grayscale(100%); transition: filter 0.3s, transform 0.3s, box-shadow 0.3s; border-radius: 10px; }
.logos img:hover { filter: grayscale(0%); transform: scale(1.2); box-shadow: 0 8px 20px rgba(0,0,0,0.2); }

/* Contact Section */
#contact { text-align: center; }
#contact a { color: #0d47a1; text-decoration: none; font-weight: bold; transition: color 0.3s; }
#contact a:hover { color: #1976d2; text-decoration: underline; }

footer {
  background-color: #212121;
  color: #cfd8dc;
  text-align: center;
  padding: 20px;
  font-size: 0.9rem;
}
footer a { color: #ffca28; text-decoration: none; }
footer a:hover { text-decoration: underline; }

/* Animations */
@keyframes fadeInDown { from { opacity: 0; transform: translateY(-20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeInUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes gradientAnimation {
  0% {background-position: 0% 50%;}
  50% {background-position: 100% 50%;}
  100% {background-position: 0% 50%;}
}

/* Services Grid */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 25px;
}
.service-box {
  background: white;
  border-radius: 12px;
  padding: 20px;
  text-align: center;
  box-shadow: 0 6px 15px rgba(0,0,0,0.1);
  transition: transform 0.3s, box-shadow 0.3s;
}
.service-box h3 {
  color: #0d47a1;
  margin-bottom: 10px;
}
.service-box p {
  font-size: 0.95rem;
  color: #555;
}
.service-box:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 25px rgba(0,0,0,0.2);
}