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

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

body {
  margin: 0;
  overflow-x: hidden;
}

::selection {
  background: rgba(232, 97, 74, 0.3);
  color: #f7f7f8;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: #14141c;
}
::-webkit-scrollbar-thumb {
  background: #3d3d50;
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: #e8614a;
}

/* Reveal animations */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.visible {
  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; }

/* Hero animations */
.hero-eyebrow {
  opacity: 0;
  animation: fadeUp 0.8s 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.hero-title {
  opacity: 0;
  animation: fadeUp 0.9s 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.hero-subtitle {
  opacity: 0;
  animation: fadeUp 0.9s 0.7s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.hero-ctas {
  opacity: 0;
  animation: fadeUp 0.9s 0.9s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(25px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Scroll line animation */
.scroll-line {
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(0.5); transform-origin: top; }
  50% { opacity: 1; transform: scaleY(1); }
}

/* Service card stagger */
.service-card {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* Nav background on scroll */
#nav.scrolled {
  background: rgba(12, 12, 18, 0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(61, 61, 80, 0.5);
}

/* Mobile menu animation */
#mobile-menu.open {
  animation: slideDown 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* Hamburger animation */
#menu-btn.active .menu-line:nth-child(1) {
  transform: rotate(45deg) translate(3px, 3px);
}
#menu-btn.active .menu-line:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
#menu-btn.active .menu-line:nth-child(3) {
  transform: rotate(-45deg) translate(3px, -3px);
  width: 16px;
}

/* Gradient orbs float */
.hero-gradient-orb {
  animation: float 8s ease-in-out infinite;
}

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

@keyframes float {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(20px, -20px); }
}

/* Focus styles */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 2px solid #e8614a;
  outline-offset: 2px;
  border-radius: 4px;
}

/* Smooth image loading */
img {
  image-rendering: -webkit-optimize-contrast;
}