/* === Base & Typography === */
html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  overflow-x: hidden;
}

::selection {
  background: #0D5C3F;
  color: #F5F0E8;
}

/* === Scroll Reveal Animations (progressive enhancement) === */
@media (prefers-reduced-motion: no-preference) {
  .reveal-fade {
    opacity: 0;
    transform: translateY(30px);
    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-fade.revealed {
    opacity: 1;
    transform: translateY(0);
  }

  .reveal-left {
    opacity: 0;
    transform: translateX(-40px);
    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-left.revealed {
    opacity: 1;
    transform: translateX(0);
  }

  .reveal-right {
    opacity: 0;
    transform: translateX(40px);
    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-right.revealed {
    opacity: 1;
    transform: translateX(0);
  }
}

/* === Scroll Indicator === */
.scroll-indicator {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.scroll-indicator span {
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(0.6); }
  50% { opacity: 1; transform: scaleY(1); }
}

/* === Mobile Menu === */
.mobile-link {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.3s ease, transform 0.3s ease, color 0.2s ease;
}

#mobileMenu.open .mobile-link {
  opacity: 1;
  transform: translateY(0);
}

#mobileMenu.open .mobile-link:nth-child(1) { transition-delay: 0.1s; }
#mobileMenu.open .mobile-link:nth-child(2) { transition-delay: 0.15s; }
#mobileMenu.open .mobile-link:nth-child(3) { transition-delay: 0.2s; }
#mobileMenu.open .mobile-link:nth-child(4) { transition-delay: 0.25s; }
#mobileMenu.open .mobile-link:nth-child(5) { transition-delay: 0.3s; }

/* === Menu Toggle Animation === */
.menu-line {
  transition: transform 0.3s ease, opacity 0.3s ease, width 0.3s ease;
}

body.menu-open .menu-line:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

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

body.menu-open .menu-line:nth-child(3) {
  width: 24px;
  transform: translateY(-6px) rotate(-45deg);
}

/* === Navbar Transition === */
#navbar.scrolled {
  box-shadow: 0 1px 20px rgba(0, 0, 0, 0.08);
}

/* === Image Hover === */
img {
  transition: transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* === Button Focus === */
a:focus-visible, button:focus-visible {
  outline: 2px solid #0D5C3F;
  outline-offset: 2px;
  border-radius: 2px;
}

/* === Smooth Image Loading === */
img {
  background-color: #EDE6D6;
}

/* === Custom Scrollbar === */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: #F5F0E8;
}

::-webkit-scrollbar-thumb {
  background: #0D5C3F;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #0a4a32;
}

/* === Mobile Responsive === */
@media (max-width: 767px) {
  .font-serif {
    line-height: 1.15;
  }
}