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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, svg {
  display: block;
  max-width: 100%;
}

::selection {
  background: #7FBFB5;
  color: #0A1F44;
}

/* Scroll-reveal animations — progressive enhancement */
.js .reveal-up,
.js .reveal-left,
.js .reveal-right {
  opacity: 1;
  transform: none;
  transition: none;
}

@media (prefers-reduced-motion: no-preference) {
  .reveal-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
  }
  .reveal-left {
    opacity: 0;
    transform: translateX(-30px);
    transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
  }
  .reveal-right {
    opacity: 0;
    transform: translateX(30px);
    transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
  }
  .reveal-up.revealed,
  .reveal-left.revealed,
  .reveal-right.revealed {
    opacity: 1;
    transform: none;
  }
}

/* Mobile menu */
.js #mobile-menu {
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease, pointer-events 0.3s ease;
}
.js #mobile-menu.open {
  opacity: 1;
  pointer-events: auto;
}
.js #mobile-menu.open .mobile-link {
  animation: mobileLinkIn 0.4s ease forwards;
  opacity: 0;
}
.js #mobile-menu.open .mobile-link:nth-child(1) { animation-delay: 0.05s; }
.js #mobile-menu.open .mobile-link:nth-child(2) { animation-delay: 0.1s; }
.js #mobile-menu.open .mobile-link:nth-child(3) { animation-delay: 0.15s; }
.js #mobile-menu.open .mobile-link:nth-child(4) { animation-delay: 0.2s; }
.js #mobile-menu.open .mobile-link:nth-child(5) { animation-delay: 0.25s; }

@keyframes mobileLinkIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Hamburger animation */
.js #mobile-toggle[aria-expanded="true"] #bar1 {
  transform: rotate(45deg) translate(5px, 5px);
}
.js #mobile-toggle[aria-expanded="true"] #bar2 {
  opacity: 0;
}
.js #mobile-toggle[aria-expanded="true"] #bar3 {
  transform: rotate(-45deg) translate(5px, -5px);
  width: 1.5rem;
}

/* Custom scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: #0A1F44;
}
::-webkit-scrollbar-thumb {
  background: #7FBFB5;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #5EA89D;
}