html {
  scroll-behavior: smooth;
}

/* Global Body */
body {
  font-family: 'Inter', sans-serif;
  line-height: 1.6;
  color: #1e293b; /* slate-800 */
  background: linear-gradient(to bottom right, #f0f7ff, #e0e7ff, #fafafa);
}

/* --- Section Styling --- */
section {
  transition: background-color 0.5s ease-in-out, background 0.5s ease-in-out;
}

/* Soft complementary backgrounds for variety */
section:nth-of-type(odd) {
  background: linear-gradient(to bottom right, #f1f5f9, #e2e8f0);
}
section:nth-of-type(even) {
  background: linear-gradient(to bottom right, #e0f2fe, #f0f9ff);
}

/* Animated gradient CTA */
section.bg-gradient-to-r {
  background-size: 200% auto;
  animation: gradientMove 8s ease infinite;
}
@keyframes gradientMove {
  0% { background-position: 0% center; }
  50% { background-position: 100% center; }
  100% { background-position: 0% center; }
}

/* --- Enhanced CTA Section --- */
.cta-section {
  background: linear-gradient(135deg, #e0f2fe 0%, #bae6fd 50%, #cffafe 100%);
  background-size: 200% 200%;
  animation: ctaGradient 10s ease infinite;
  color: #0f172a; /* dark slate text for readability */
}

@keyframes ctaGradient {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* Improve text contrast in CTA */
.cta-section h2 {
  color: #0f172a;
}
.cta-section p {
  color: #334155;
}
.cta-section a {
  background-color: #2563eb;
  color: #fff;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
}
.cta-section a:hover {
  background-color: #1d4ed8;
  transform: translateY(-2px);
}


/* Soft shadow base */
.shadow-soft {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
}

/* Headings */
h1, h2, h3 {
  letter-spacing: -0.01em;
  font-family: 'Inter', sans-serif;
}

/* Links & Buttons */
a, button {
  transition: all 0.25s ease-in-out;
}
a:hover, button:hover {
  transform: translateY(-1px);
}

/* Inputs & forms */
input, textarea {
  font-size: 1rem;
  transition: all 0.2s ease-in-out;
  background-color: #f8fafc;
}
input:focus, textarea:focus {
  border-color: #3b82f6;
  box-shadow: 0 0 0 3px rgba(59,130,246,0.2);
  background-color: #fff;
}

/* Navbar Animation */
#mainHeader {
  background-color: rgba(255, 255, 255, 0.9);
  transition: all 0.3s ease;
  animation: navSlide 0.6s ease-out;
}
#mainHeader.scrolled {
  background-color: rgba(240, 247, 255, 0.95);
  border-bottom: 1px solid #cbd5e1;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
  backdrop-filter: blur(12px);
}
@keyframes navSlide {
  from { transform: translateY(-30px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

/* Navbar Links */
.nav-link {
  color: #1e293b;
  position: relative;
  transition: color 0.3s ease;
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -3px;
  width: 0%;
  height: 2px;
  background-color: #2563eb;
  transition: width 0.3s ease;
}
.nav-link:hover { color: #2563eb; }
.nav-link:hover::after { width: 100%; }
.nav-link.active { color: #2563eb; font-weight: 600; }

/* Card Hover */
.card {
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}
.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.08);
}

/* Footer Gradient */
footer {
  background: linear-gradient(to right, #1d4ed8, #1e3a8a, #312e81);
  color: #ffffff;
  border-top: none;
  padding-top: 2.5rem;
  padding-bottom: 2.5rem;
}

footer a {
  color: #e2e8f0; /* light slate */
  transition: color 0.3s ease, transform 0.2s ease;
}

footer a:hover {
  color: #93c5fd; /* soft blue hover */
  transform: scale(1.1);
}

footer svg {
  transition: transform 0.3s ease;
}

footer svg:hover {
  transform: rotate(10deg) scale(1.15);
}

footer p {
  letter-spacing: 0.02em;
}

/* Responsive */
@media (max-width: 640px) {
  header nav { display: none; }
  section { text-align: center; }
  form { padding: 1.5rem; }
}

/* Subtle Image Hover */
img { transition: transform 0.3s ease; }
img:hover { transform: scale(1.03); }

/* Scroll Animation */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}
.animate-fadeIn { animation: fadeIn 0.4s ease forwards; }



/* WhatsApp hover enhancement */
footer a[href*="wa.me"]:hover {
  color: #22c55e; /* Tailwind green-500 */
  text-shadow: 0 0 10px rgba(34, 197, 94, 0.5);
}

/* Fade-in Animation for Elements */
.animate-fadeIn {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fadeInVisible {
  opacity: 1 !important;
  transform: translateY(0) !important;
}