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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  overflow-x: hidden;
}

/* Scroll reveal animations */
.scroll-reveal {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

@media (prefers-reduced-motion: no-preference) {
  .scroll-reveal {
    opacity: 0;
    transform: translateY(24px);
  }
  .scroll-reveal.revealed {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Navbar scroll state */
.nav-scrolled {
  background: rgba(17, 21, 26, 0.92) !important;
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

/* Mobile menu transitions */
.menu-line {
  display: block;
}

#menu-btn.active .menu-line:nth-child(1) {
  transform: rotate(45deg) translate(4px, 4px);
}
#menu-btn.active .menu-line:nth-child(2) {
  opacity: 0;
}
#menu-btn.active .menu-line:nth-child(3) {
  width: 5px;
  transform: rotate(-45deg) translate(4px, -4px);
  margin-left: 0;
}

/* Custom scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: #1C212A;
}
::-webkit-scrollbar-thumb {
  background: #545D6F;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #E85D4A;
}

/* Selection color */
::selection {
  background: rgba(232, 93, 74, 0.3);
  color: #fff;
}

/* Hero parallax subtle */
#hero {
  will-change: transform;
}

/* Button ripple-like hover glow */
button:hover, a:hover {
  cursor: pointer;
}

/* Focus visible for accessibility */
:focus-visible {
  outline: 2px solid #E85D4A;
  outline-offset: 2px;
}

/* Select dropdown arrow */
select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%239BA2B0' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 40px;
}