*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --black: #0a0a0a;
  --white: #fff;
  --red: #d10000;
  --mid: #5f6268;
  --light-rule: #d8d8d8;
  --border: 1px solid #d8d8d8;
}

html,
body {
  min-height: 100%;
}

body {
  background: var(--white);
  color: var(--black);
  font-family: "Noto Sans JP", "Space Mono", monospace, sans-serif;
  font-size: 13px;
  line-height: 1.55;
}

a {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 2px;
}

a:hover {
  color: var(--red);
}

.profile-column,
.projects-column {
  min-width: 0;
}

.profile-column h1 {
  margin-bottom: 20px;
}

.profile-column p {
  max-width: 220px;
  margin-bottom: 18px;
  color: var(--black);
  font-size: 14px;
  line-height: 1.45;
  letter-spacing: 0;
}

.profile-links {
  margin: 28px 0 0 18px;
}

.profile-links li {
  margin-bottom: 4px;
  color: var(--black);
  font-size: 13px;
  line-height: 1.45;
}

.projects-column > h2 {
  margin-bottom: 26px;
  font-size: 16px;
  font-weight: 400;
  line-height: 1.3;
  letter-spacing: 0;
  text-align: center;
}

.projects-column > h2 {
  padding: 0 24px;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
}

.project-stack {
  display: flex;
  min-width: 0;
  flex-direction: column;
}

.project-card {
  --project-copy-shift: 0px;
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border: var(--border);
  background: var(--white);
}

.project-card::after {
  position: absolute;
  z-index: 1;
  inset: 0;
  background: rgba(255, 255, 255, 0.82);
  content: "";
  opacity: 0;
  pointer-events: none;
  transition: opacity 520ms cubic-bezier(0.22, 1, 0.36, 1);
}

.project-stack + .project-stack .project-card {
  border-left: 0;
}

.project-stack .project-card + .project-card {
  border-top: 0;
}

.project-thumb {
  position: relative;
  z-index: 0;
  border-bottom: var(--border);
  background: #ececec;
}

.project-thumb:empty {
  min-height: 108px;
}

.project-thumb img,
.project-thumb video {
  display: block;
  width: 100%;
  height: auto;
}

.project-thumb video {
  pointer-events: none;
}

.renderer-thumb {
  background:
    linear-gradient(140deg, rgba(10, 10, 10, 0.72), rgba(209, 0, 0, 0.72)),
    radial-gradient(circle at 70% 28%, #fff7c9 0 8%, transparent 9%),
    linear-gradient(35deg, #17201e, #72533f 52%, #1c2428);
}

.fluid-thumb {
  background:
    radial-gradient(circle at 24% 56%, rgba(255, 255, 255, 0.85) 0 5%, transparent 6%),
    radial-gradient(circle at 68% 42%, rgba(255, 255, 255, 0.72) 0 6%, transparent 7%),
    linear-gradient(135deg, #0c1320, #2d88a8 46%, #d7f0f0);
}

.gnome-thumb {
  background: #fff;
}

.sdf-particle-thumb {
  background: #fff;
}

.python-raytracer-thumb {
  background: #fff;
}

.project-copy {
  position: relative;
  z-index: 2;
  padding: 18px 17px;
}

.project-heading {
  transform: translateY(0);
  transition: transform 620ms cubic-bezier(0.22, 1, 0.36, 1);
  will-change: transform;
}

.project-details {
  position: absolute;
  z-index: 2;
  top: 88px;
  right: 17px;
  left: 17px;
  max-width: 430px;
  color: var(--black);
  opacity: 0;
  pointer-events: none;
  transform: translateY(14px);
  transition:
    opacity 360ms cubic-bezier(0.22, 1, 0.36, 1),
    transform 560ms cubic-bezier(0.22, 1, 0.36, 1);
}

.project-details-intro {
  max-width: 360px;
  margin-bottom: 22px;
  font-size: 12px;
  line-height: 1.5;
}

.project-feature-list {
  margin: -10px 0 0 18px;
  padding: 0;
  font-size: 11px;
  line-height: 1.5;
}

.project-feature-list li {
  margin-bottom: 5px;
}

.project-details dl {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 12px 16px;
  margin: 0;
}

.project-details dt,
.project-details dd {
  margin: 0;
  font-size: 11px;
  line-height: 1.5;
}

.project-details dt {
  color: var(--mid);
}

@media (hover: hover) {
  .project-card:hover::after {
    opacity: 1;
  }

  .project-card:hover .project-heading {
    transform: translateY(calc(-1 * var(--project-copy-shift)));
  }

  .renderer-card:hover .project-details,
  .sdf-particle-card:hover .project-details,
  .gnome-card:hover .project-details,
  .fluid-card:hover .project-details,
  .python-raytracer-card:hover .project-details {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 280ms;
  }
}

.project-card:focus-within::after {
  opacity: 1;
}

.project-card:focus-within .project-heading {
  transform: translateY(calc(-1 * var(--project-copy-shift)));
}

.renderer-card:focus-within .project-details,
.sdf-particle-card:focus-within .project-details,
.gnome-card:focus-within .project-details,
.fluid-card:focus-within .project-details,
.python-raytracer-card:focus-within .project-details {
  opacity: 1;
  transform: translateY(0);
}

.project-copy h3 {
  margin-bottom: 2px;
  color: var(--black);
  font-size: 14px;
  font-weight: 400;
  line-height: 1.35;
  letter-spacing: 0;
}

.project-meta {
  color: var(--mid);
  font-size: 12px;
  line-height: 1.35;
  letter-spacing: 0;
}

.project-links {
  display: flex;
  align-items: flex-start;
  flex-direction: column;
  gap: 4px;
  margin-top: 10px;
  font-size: 11px;
  line-height: 1.3;
}

@media (prefers-reduced-motion: reduce) {
  .project-card::after,
  .project-heading,
  .project-details {
    transition-duration: 0.01ms;
  }
}

@media (max-width: 920px) {
  .profile-column {
    padding: 0;
    border: 0;
  }

  .projects-column {
    padding-top: 24px;
    border-top: var(--border);
  }

  .projects-column > h2 {
    text-align: left;
  }
}

@media (max-width: 560px) {
  .project-grid {
    display: flex;
    flex-direction: column;
  }

  .project-stack {
    display: contents;
  }

  .project-stack + .project-stack .project-card {
    border-left: var(--border);
  }

  .project-card {
    border-top: 0;
  }

  .renderer-card {
    order: 1;
    border-top: var(--border);
  }

  .sdf-particle-card {
    order: 2;
  }

  .gnome-card {
    order: 3;
  }

  .fluid-card {
    order: 4;
  }

  .python-raytracer-card {
    order: 5;
  }
}