/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  overflow-x: hidden;
}

::selection {
  background: rgba(5, 74, 56, 0.15);
  color: #011f17;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: #fdf9ee;
}
::-webkit-scrollbar-thumb {
  background: #a7f3d0;
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: #6ee7b7;
}

/* Scroll Indicator */
.scroll-indicator {
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.4; transform: translateY(0); }
  50% { opacity: 1; transform: translateY(6px); }
}

/* Nav Link Hover */
.nav-link {
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: currentColor;
  transition: width 0.3s ease;
}
.nav-link:hover::after {
  width: 100%;
}

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

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

.mobile-link {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.3s ease, transform 0.3s ease, color 0.3s ease;
}

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

#mobileMenu.open .mobile-link:nth-child(1) { transition-delay: 0.05s; }
#mobileMenu.open .mobile-link:nth-child(2) { transition-delay: 0.1s; }
#mobileMenu.open .mobile-link:nth-child(3) { transition-delay: 0.15s; }
#mobileMenu.open .mobile-link:nth-child(4) { transition-delay: 0.2s; }
#mobileMenu.open .mobile-link:nth-child(5) { transition-delay: 0.25s; }

/* Menu Button */
#menuBtn.open .menu-line:nth-child(1) {
  top: 50%;
  transform: rotate(45deg);
}
#menuBtn.open .menu-line:nth-child(2) {
  top: 50%;
  transform: rotate(-45deg);
}

/* Reveal Animations */
.reveal {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Hero Animations */
.hero-sub {
  animation: fadeUp 0.8s ease forwards;
  animation-delay: 0.3s;
  opacity: 0;
}

.hero-title {
  animation: fadeUp 0.8s ease forwards;
  animation-delay: 0.5s;
  opacity: 0;
}

.hero-desc {
  animation: fadeUp 0.8s ease forwards;
  animation-delay: 0.7s;
  opacity: 0;
}

.hero-cta {
  animation: fadeUp 0.8s ease forwards;
  animation-delay: 0.9s;
  opacity: 0;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html {
    scroll-behavior: auto;
  }
  .reveal {
    opacity: 1;
    transform: none;
  }
  .hero-sub, .hero-title, .hero-desc, .hero-cta {
    opacity: 1;
    animation: none;
  }
  .scroll-indicator {
    animation: none;
    opacity: 0.6;
  }
}