/* Custom styles — editorial serif aesthetic */

:root {
  --terra-500: #B8582D;
  --terra-600: #964421;
  --sand-50: #FDF9F3;
  --sand-100: #F8EFD8;
  --sand-200: #F0DEAA;
  --stone-800: #292524;
  --stone-900: #1C1917;
}

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

/* Base font adjustments */
body {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Navbar scroll state */
nav.scrolled {
  background: rgba(253, 249, 243, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.06);
}

nav.scrolled #nav-logo,
nav.scrolled .nav-link {
  color: #1C1917 !important;
}

nav.scrolled .nav-link {
  color: #57534E !important;
}

/* Scroll reveal animations — progressive enhancement */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(24px);
    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);
  }

  .service-card {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s cubic-bezier(0.22, 1, 0.36, 1), transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
  }

  .service-card.revealed {
    opacity: 1;
    transform: translateY(0);
  }

  .approach-step {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.6s cubic-bezier(0.22, 1, 0.36, 1), transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
  }

  .approach-step.revealed {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Scroll indicator animation */
@keyframes scroll-indicator {
  0% { transform: translateY(-100%); }
  100% { transform: translateY(200%); }
}

.animate-scroll-indicator {
  animation: scroll-indicator 1.5s ease-in-out infinite;
}

/* Mobile menu button animation */
#menu-btn.active #bar1 {
  transform: translateY(8px) rotate(45deg);
}

#menu-btn.active #bar2 {
  opacity: 0;
}

#menu-btn.active #bar3 {
  transform: translateY(-8px) rotate(-45deg);
}

/* Mobile link animation */
.mobile-link {
  opacity: 0;
  transform: translateY(-8px);
  transition: opacity 0.3s ease, transform 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; }
#mobile-menu.open .mobile-link:nth-child(5) { transition-delay: 0.25s; }

/* Selection color */
::selection {
  background: rgba(184, 88, 45, 0.15);
  color: #1C1917;
}

/* Focus visible for accessibility */
:focus-visible {
  outline: 2px solid #B8582D;
  outline-offset: 2px;
}

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

::-webkit-scrollbar-track {
  background: #FDF9F3;
}

::-webkit-scrollbar-thumb {
  background: #D9C4A8;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #B8582D;
}