:root {
  --bg: #000;
  --card: #141414;
  --card-edge: #1f1f1f;
  --card-hover: #181818;
  --chip: #1a1a1a;
  --text: #ededed;
  --muted: #7a7a7a;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, "Liberation Mono", monospace;
  color-scheme: dark;
}

* {
  box-sizing: border-box;
  margin: 0;
}

html {
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100dvh;
  background: var(--bg);
  color: var(--text);
  font-family: var(--mono);
  font-size: 15px;
  line-height: 1.5;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
  color: inherit;
}

::selection {
  background: var(--text);
  color: var(--bg);
}

.container {
  max-width: 880px;
  margin: 0 auto;
  padding: 40px 24px 96px;
}

/* Header */
.head {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
  padding: 56px 0;
}

.head h1 {
  font-size: clamp(40px, 8vw, 64px);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1;
}

.logo {
  width: auto;
  height: clamp(40px, 8vw, 64px);
  transition: transform 0.2s ease;
}

.logo:hover {
  transform: rotate(-6deg) scale(1.05);
}

.head a {
  color: var(--muted);
}

/* Filter chips */
.chips {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  padding: 0 4px 16px;
}

.chip {
  flex: none;
  padding: 7px 14px;
  border: 0;
  border-radius: 999px;
  background: var(--chip);
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

.chip:hover {
  color: var(--text);
}

.chip[aria-pressed="true"] {
  background: var(--text);
  color: var(--bg);
}

.chip:focus-visible,
.tag-link:focus-visible {
  outline: 2px solid var(--text);
  outline-offset: 2px;
}

/* Project cards */
.index {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.card {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 16px;
  min-height: 64px;
  padding: 12px 16px 12px 24px;
  border-radius: 32px;
  background: var(--card);
  box-shadow: inset 0 1px 0 var(--card-edge);
  transition: background 0.15s, transform 0.15s;
}

.card:hover {
  background: var(--card-hover);
  transform: translateY(-1px);
}

.text {
  min-width: 0;
}

.name {
  font-weight: 500;
}

.desc {
  color: var(--muted);
}

.platforms {
  display: flex;
  gap: 6px;
}

.tag {
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--chip);
  color: var(--muted);
  font-size: 12px;
  white-space: nowrap;
}

.tag-link {
  color: var(--text);
  transition: background 0.15s, color 0.15s;
}

.tag-link:hover {
  background: var(--text);
  color: var(--bg);
}

/* Tablet */
@media (max-width: 768px) {
  .card {
    border-radius: 28px;
  }
  .text {
    display: flex;
    flex-direction: column;
  }
  .desc {
    font-size: 14px;
  }
}

/* Document pages */
.doc {
  max-width: 680px;
  margin: 0 auto;
}

.doc h1 {
  font-size: clamp(28px, 6vw, 40px);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.doc .meta {
  margin-top: 8px;
  color: var(--muted);
  font-size: 13px;
}

.doc h2 {
  margin-top: 40px;
  font-size: 17px;
  font-weight: 500;
}

.doc p {
  margin-top: 12px;
  color: var(--muted);
}

.doc a {
  color: var(--text);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* Phone */
@media (max-width: 480px) {
  .container {
    padding: 24px 16px 64px;
  }
  .head {
    padding: 40px 0;
  }
  .chips {
    padding: 0 0 14px;
  }
  .card {
    grid-template-columns: 1fr;
    gap: 4px;
    padding: 14px 20px;
    border-radius: 24px;
  }
  .platforms {
    margin-top: 6px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .chip,
  .tag-link,
  .card,
  .logo {
    transition: none;
  }
  .card:hover,
  .logo:hover {
    transform: none;
  }
}