*, *::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;
}

/* Scroll reveal — progressive enhancement */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(32px);
    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.reveal-visible {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .reveal.reveal-visible {
    opacity: 1;
    transform: none;
  }
}

/* Hero animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Navbar scroll state */
#navbar.scrolled {
  background: rgba(253, 251, 249, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(123, 45, 59, 0.08);
}

#navbar.scrolled .nav-text {
  color: #1c1917;
}

#navbar.scrolled .nav-link {
  color: #78716c;
}

#navbar.scrolled .nav-link:hover {
  color: #7B2D3B;
}

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

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

.mobile-link {
  opacity: 0;
  transform: translateY(12px);
  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: 0.05s; }
#mobile-menu.open .mobile-link:nth-child(2) { transition-delay: 0.1s; }
#mobile-menu.open .mobile-link:nth-child(3) { transition-delay: 0.15s; }
#mobile-menu.open .mobile-link:nth-child(4) { transition-delay: 0.2s; }

/* Menu line animation */
.menu-line {
  display: block;
}

#menu-toggle.active .menu-line:nth-child(1) {
  transform: rotate(45deg) translate(3px, 3px);
}

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

#menu-toggle.active .menu-line:nth-child(3) {
  transform: rotate(-45deg) translate(3px, -3px);
  width: 1.25rem;
}

/* Selection color */
::selection {
  background: rgba(123, 45, 59, 0.15);
  color: #4a1822;
}

/* Custom scrollbar */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: #FDFBF9;
}

::-webkit-scrollbar-thumb {
  background: #d4a8a8;
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: #7B2D3B;
}

/* Focus styles */
a:focus-visible,
button:focus-visible {
  outline: 2px solid #7B2D3B;
  outline-offset: 4px;
  border-radius: 4px;
}

/* Smooth image loading */
img {
  image-rendering: auto;
  loading: lazy;
}

/* Prevent layout shift on anchor targets */
section[id] {
  scroll-margin-top: 80px;
}