/* BASE */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; }

/* NAV SCROLLED STATE */
#site-header.scrolled {
  background: rgba(13, 13, 13, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  box-shadow: 0 4px 30px rgba(0,0,0,0.3);
}

/* MOBILE NAV LINKS */
.mobile-nav-link {
  position: relative;
  padding-left: 0;
}
.mobile-nav-link::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 0;
  height: 2px;
  background: #E8634B;
  transition: width 0.2s ease;
}
.mobile-nav-link:hover::before {
  width: 16px;
}

/* SCROLL REVEAL — progressive enhancement */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
  }
  .reveal.revealed {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Fallback: always visible if JS is disabled or reduced motion */
@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
  }
}

/* IMAGE PLACEHOLDERS — prevent layout shift */
img {
  max-width: 100%;
  height: auto;
}

/* SCROLLBAR */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: #1A1A1A; }
::-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;
}