/* Base styles */
html {
  scroll-behavior: smooth;
}

body {
  overflow-x: hidden;
}

/* Navbar scroll state */
header.scrolled {
  background: rgba(15, 22, 36, 0.95);
  backdrop-filter: blur(20px);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.15);
}

header.scrolled .nav-logo-text {
  color: #ffffff;
}

/* Mobile menu */
.mobile-link {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

#mobileMenu.open {
  opacity: 1;
  pointer-events: all;
}

#mobileMenu.closed {
  opacity: 0;
  pointer-events: none;
}

/* Hamburger animation */
#hamburger span {
  transition: transform 0.3s ease, opacity 0.3s ease;
}

#menuToggle.active #hamburger span:nth-child(1) {
  transform: translateY(4px) rotate(45deg);
}

#menuToggle.active #hamburger span:nth-child(2) {
  opacity: 0;
}

#menuToggle.active #hamburger span:nth-child(3) {
  transform: translateY(-4px) rotate(-45deg);
  width: 1.5rem;
}

/* Scroll reveal */
.scroll-reveal {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.scroll-reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .scroll-reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  html {
    scroll-behavior: auto;
  }
  .hero-gradient-orb,
  .hero-gradient-orb2,
  .hero-gradient-orb3 {
    animation: none;
  }
}

/* Hero gradient orbs animation */
@keyframes float1 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(30px, -20px) scale(1.05); }
}

@keyframes float2 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-20px, 30px) scale(1.08); }
}

@keyframes float3 {
  0%, 100% { transform: translate(-50%, -50%) scale(1); }
  50% { transform: translate(-48%, -52%) scale(1.03); }
}

.hero-gradient-orb {
  animation: float1 8s ease-in-out infinite;
}

.hero-gradient-orb2 {
  animation: float2 10s ease-in-out infinite;
}

.hero-gradient-orb3 {
  animation: float3 12s ease-in-out infinite;
}

/* Gallery hover */
.gallery-item img {
  transition: transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Service card hover */
.service-card {
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.4s ease;
}

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

/* Decorative lines */
.deco-line {
  animation: lineGrow 3s ease-in-out infinite;
}

@keyframes lineGrow {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 0.8; }
}

/* Form focus states */
input:focus,
select:focus,
textarea:focus {
  outline: none;
}

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

::-webkit-scrollbar-track {
  background: #f0f3f9;
}

::-webkit-scrollbar-thumb {
  background: #c9a84c;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #b8860b;
}