/* ===== CUSTOM STYLES ===== */

/* Smooth scrolling */
html {
  scroll-behavior: smooth;
}

/* Header scroll state */
#site-header.scrolled {
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 20px rgba(0, 0, 0, 0.08);
}

#site-header.scrolled .nav-link,
#site-header.scrolled .font-display {
  color: #1c1917;
}

#site-header.scrolled .menu-line {
  background: #1c1917;
}

#site-header.scrolled .mobile-nav-link {
  color: #1c1917;
}

#site-header.scrolled .font-display.font-semibold {
  color: #1c1917 !important;
  -webkit-text-stroke: 0;
  text-shadow: none;
}

/* Nav link hover underline */
.nav-link {
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: currentColor;
  opacity: 0.4;
  transition: width 0.25s ease;
  border-radius: 2px;
}

.nav-link:hover::after {
  width: 100%;
}

/* Mobile menu animation */
#mobile-menu.open .menu-line:nth-child(1) {
  transform: translateY(5px) rotate(45deg);
}

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

#mobile-menu.open .menu-line:nth-child(3) {
  transform: translateY(-5px) rotate(-45deg);
  width: 5px;
}

/* Fade-in on scroll */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger children */
.fade-in-stagger > * {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.fade-in-stagger.visible > *:nth-child(1) { transition-delay: 0.05s; }
.fade-in-stagger.visible > *:nth-child(2) { transition-delay: 0.1s; }
.fade-in-stagger.visible > *:nth-child(3) { transition-delay: 0.15s; }
.fade-in-stagger.visible > *:nth-child(4) { transition-delay: 0.2s; }
.fade-in-stagger.visible > *:nth-child(5) { transition-delay: 0.25s; }
.fade-in-stagger.visible > *:nth-child(6) { transition-delay: 0.3s; }

.fade-in-stagger.visible > * {
  opacity: 1;
  transform: translateY(0);
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .fade-in, .fade-in-stagger > * {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .group:hover img, .rounded-2xl img, .group img {
    transform: none;
  }
}

/* Header height */
#site-header {
  min-height: 72px;
}