/* Base & Utilities */
html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  overflow-x: hidden;
}

/* Selection */
::selection {
  background: #7ECFC0;
  color: #0A1628;
}

/* Navbar */
#navbar {
  background: transparent;
}

#navbar.scrolled {
  background: rgba(250, 250, 248, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 rgba(10, 22, 40, 0.08);
}

/* Mobile menu */
#mobile-menu.open {
  opacity: 1;
  pointer-events: all;
}

#mobile-menu .menu-line:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
#mobile-menu .menu-line:nth-child(2) {
  opacity: 0;
}
#mobile-menu .menu-line:nth-child(3) {
  width: 24px;
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Marquee */
.marquee-track {
  animation: marquee 30s linear infinite;
}

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* Hero animations */
.hero-tagline {
  animation: slideUp 0.8s ease forwards 0.2s;
}
.hero-headline {
  animation: slideUp 0.8s ease forwards 0.4s;
}
.hero-subtitle {
  animation: slideUp 0.8s ease forwards 0.6s;
}
.hero-cta {
  animation: slideUp 0.8s ease forwards 0.8s;
}
.hero-stats {
  animation: slideUp 0.8s ease forwards 1s;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(32px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Reveal on scroll */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.reveal.delay-1 { transition-delay: 0.1s; }
.reveal.delay-2 { transition-delay: 0.2s; }
.reveal.delay-3 { transition-delay: 0.3s; }
.reveal.delay-4 { transition-delay: 0.4s; }

/* Service cards */
.service-card {
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1), background 0.5s ease;
}

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

/* Custom scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: #FAFAF8;
}
::-webkit-scrollbar-thumb {
  background: #0A1628;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #132240;
}

/* Focus styles */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 2px solid #7ECFC0;
  outline-offset: 2px;
}

/* Mobile nav link animation */
.mobile-nav-link {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

#mobile-menu.open .mobile-nav-link {
  opacity: 1;
  transform: translateY(0);
}

#mobile-menu.open .mobile-nav-link:nth-child(1) { transition-delay: 0.1s; }
#mobile-menu.open .mobile-nav-link:nth-child(2) { transition-delay: 0.15s; }
#mobile-menu.open .mobile-nav-link:nth-child(3) { transition-delay: 0.2s; }
#mobile-menu.open .mobile-nav-link:nth-child(4) { transition-delay: 0.25s; }
#mobile-menu.open .mobile-nav-link:nth-child(5) { transition-delay: 0.3s; }

/* Smooth image loading */
img {
  opacity: 1;
  transition: opacity 0.3s ease;
}

/* Print styles */
@media print {
  #navbar, .marquee, #gallery { display: none; }
  body { background: white; }
}