*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  overflow-x: hidden;
}

/* Hero Animations */
.hero-bg {
  will-change: transform;
}

.hero-bg img {
  will-change: transform;
}

@keyframes heroFadeUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes heroScale {
  from {
    transform: scale(1.1);
  }
  to {
    transform: scale(1);
  }
}

.hero-bg img {
  animation: heroScale 1.5s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

.hero-tag {
  animation: heroFadeUp 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.3s forwards;
}

.hero-title {
  animation: heroFadeUp 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.5s forwards;
}

.hero-subtitle {
  animation: heroFadeUp 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.7s forwards;
}

.hero-buttons {
  animation: heroFadeUp 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.9s forwards;
}

/* Reveal Animations */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

.reveal:nth-child(2) { transition-delay: 0.1s; }
.reveal:nth-child(3) { transition-delay: 0.2s; }
.reveal:nth-child(4) { transition-delay: 0.3s; }

/* Service Card Stagger */
.service-card {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.service-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.service-card:nth-child(1) { transition-delay: 0.05s; }
.service-card:nth-child(2) { transition-delay: 0.1s; }
.service-card:nth-child(3) { transition-delay: 0.15s; }
.service-card:nth-child(4) { transition-delay: 0.2s; }
.service-card:nth-child(5) { transition-delay: 0.25s; }
.service-card:nth-child(6) { transition-delay: 0.3s; }

/* Navigation */
#navbar.scrolled {
  background: rgba(13, 13, 13, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(232, 99, 75, 0.1);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

#navbar.scrolled .nav-link {
  color: #e0e0e0;
}

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

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

.menu-line {
  transform-origin: center;
}

#menu-toggle.active .menu-line:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

#menu-toggle.active .menu-line:nth-child(2) {
  opacity: 0;
}

#menu-toggle.active .menu-line:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
  width: 24px;
}

/* Mobile Links */
.mobile-link {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.4s ease, transform 0.4s ease, color 0.3s ease;
}

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

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

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

::-webkit-scrollbar-track {
  background: #0d0d0d;
}

::-webkit-scrollbar-thumb {
  background: #3a3a3a;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #e8634b;
}

/* Selection */
::selection {
  background: rgba(232, 99, 75, 0.3);
  color: #fff;
}

/* Image hover container */
.group img {
  transition: transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* Smooth focus outlines */
button:focus-visible,
a:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid #e8634b;
  outline-offset: 2px;
}

/* 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, .reveal.visible, .service-card, .service-card.visible {
    opacity: 1;
    transform: none;
  }
}