:root {
  --ease-out: cubic-bezier(.22, 1, .36, 1);
}

/* Texture stays static; movement is reserved for content and actions. */
.hero {
  position: relative;
  isolation: isolate;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image: linear-gradient(#ffffff04 1px, transparent 1px), linear-gradient(90deg, #ffffff04 1px, transparent 1px);
  background-size: 96px 96px;
  mask-image: linear-gradient(to bottom, transparent, #000 28%, #000 72%, transparent);
}

.site-header {
  transition: background 280ms ease, box-shadow 280ms ease, border-color 280ms ease;
}

.site-header.is-scrolled {
  border-bottom-color: #505155;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 5px;
  left: 0;
  width: 100%;
  height: 1px;
  background: var(--text);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 220ms var(--ease-out);
}

.nav-links a[aria-current]::after,
.nav-links a:hover::after,
.nav-links a:focus-visible::after {
  transform: scaleX(1);
}

.button:hover {
  transform: translateY(-2px);
}

.button:active {
  transform: translateY(0);
}

.skill-group {
  transition: background 200ms ease;
}

@media (hover: hover) and (pointer: fine) {
  body:not(.modal-open) .project-card:hover {
    border-color: #77787d;
    background: #222325;
  }
  body:not(.modal-open) .project-card:hover .project-bottom span {
    color: var(--text);
  }
  .skill-group:hover {
    background: #ffffff03;
  }
}

@media (prefers-reduced-motion: no-preference) {
  .motion-ready .hero h1,
  .motion-ready .hero-role,
  .motion-ready .hero-summary,
  .motion-ready .hero-actions,
  .motion-ready .social-row,
  .motion-ready .portrait {
    animation: hero-enter 480ms var(--ease-out) backwards;
  }
  .motion-ready .hero-role { animation-delay: 55ms; }
  .motion-ready .hero-summary { animation-delay: 90ms; }
  .motion-ready .hero-actions { animation-delay: 120ms; }
  .motion-ready .social-row { animation-delay: 145ms; }
  .motion-ready .portrait { animation-delay: 170ms; }

  .motion-ready .reveal-item:not(.is-visible) {
    opacity: 0;
    transform: translateY(12px);
  }
  .motion-ready .reveal-item.is-visible {
    animation: reveal-enter 480ms var(--ease-out) var(--reveal-delay, 0ms) backwards;
  }
  .motion-ready .reveal-item:focus-within {
    opacity: 1;
    transform: none;
    animation: none;
  }
  .motion-ready .experience-item.is-visible::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: -1px;
    width: 1px;
    background: #9c9da1;
    transform-origin: top;
    animation: timeline-enter 500ms var(--ease-out) var(--reveal-delay, 0ms) backwards;
  }
}

@keyframes hero-enter {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes reveal-enter {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes timeline-enter {
  from { transform: scaleY(0); }
  to { transform: scaleY(1); }
}

@media (prefers-reduced-motion: reduce) {
  .motion-ready .reveal-item {
    opacity: 1;
    transform: none;
  }
  .button:hover {
    transform: none;
  }
}

.ambient-background {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background-image: radial-gradient(ellipse 440px 360px at var(--ambient-x, 55%) var(--ambient-y, 25%), #ffffff08, transparent 75%), radial-gradient(circle, #ffffff07 .7px, transparent .9px);
  background-size: auto, 26px 26px;
}

.project-cover {
  margin: 0 0 28px;
}

.project-cover img {
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.career-caption {
  color: var(--muted);
  font-size: 11px;
  margin: -8px 0 28px;
}

.project-cover > video,
.project-cover > iframe {
  aspect-ratio: 16 / 10;
  object-fit: cover;
}