/* ── Custom Styles ── */

/* Smooth scrolling */
html {
  scroll-behavior: smooth;
}

/* Selection color */
::selection {
  background: #efc350;
  color: #1B2A4A;
}

/* Navbar transitions */
#navbar {
  transition: background 0.3s ease, box-shadow 0.3s ease, padding 0.3s ease;
}

#navbar.scrolled {
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(12px);
  box-shadow: 0 4px 30px rgba(27, 42, 74, 0.08);
}

#navbar.scrolled .nav-link {
  color: #1B2A4A;
}

#navbar.scrolled .nav-link:hover {
  color: #d4870e;
  background: #fdf9ee;
}

/* Nav link underline on hover */
.nav-link {
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: #efc350;
  transition: all 0.3s ease;
  transform: translateX(-50%);
  border-radius: 1px;
}

.nav-link:hover::after {
  width: 60%;
}

/* Mobile menu */
#mobile-menu {
  animation: slideDown 0.3s ease;
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

.mobile-link {
  display: block;
}

/* Hero background */
.hero-bg {
  animation: heroZoom 20s ease-in-out infinite alternate;
}

@keyframes heroZoom {
  from { transform: scale(1); }
  to { transform: scale(1.05); }
}

/* Backdrop border for testimonials */
.backdrop-border {
  backdrop-filter: blur(8px);
}

/* Floating animation */
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.animate-float {
  animation: float 3s ease-in-out infinite;
}

/* Reveal animations */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal.visible.delay-100 { transition-delay: 100ms; }
.reveal.visible.delay-200 { transition-delay: 200ms; }
.reveal.visible.delay-300 { transition-delay: 300ms; }

/* Card hover effects */
.service-card {
  will-change: transform;
}

.service-card:hover {
  transform: translateY(-4px);
}

/* Back to top button */
#back-to-top {
  transition: opacity 0.3s ease, transform 0.3s ease;
}

#back-to-top.show {
  opacity: 1;
  pointer-events: auto;
}

#back-to-top.hide {
  opacity: 0;
  pointer-events: none;
}

/* Form focus styles */
input:focus, textarea:focus {
  box-shadow: 0 0 0 3px rgba(235, 175, 42, 0.15);
}

/* Custom scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: #f0f3fa;
}

::-webkit-scrollbar-thumb {
  background: #b8c8e8;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #8fa8d6;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; }
  .hero-bg { animation: none; }
}

/* Tablet adjustments */
@media (max-width: 768px) {
  .hero-bg {
    animation: none;
  }
}