:root {
  --bg: #0d0f12;
  --panel: #12151a;
  --border: #1e232b;
  --text: #d7dbe0;
  --heading: #f0f3f6;
  --muted: #6b7280;
  --accent: #7ee787;
  --accent-hover: #b6f0bd;
  --blue: #79c0ff;
  --tag-bg: #1a1f27;
  --tag-fg: #c9d1d9;
}

* { box-sizing: border-box; }

.parallax {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
  background: var(--bg);
}

.parallax__grid {
  position: absolute;
  inset: -20% -20% -20% -20%;
  background-image:
    linear-gradient(rgba(126, 231, 135, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(126, 231, 135, 0.035) 1px, transparent 1px);
  background-size: 48px 48px;
  transform: translate3d(0, 0, 0);
  will-change: transform;
  mask-image: radial-gradient(ellipse at center, #000 40%, transparent 85%);
  -webkit-mask-image: radial-gradient(ellipse at center, #000 40%, transparent 85%);
}

.parallax__glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.35;
  will-change: transform;
}

.parallax__glow--a {
  width: 480px; height: 480px;
  top: -120px; left: -120px;
  background: radial-gradient(circle, rgba(126, 231, 135, 0.55), transparent 65%);
}

.parallax__glow--b {
  width: 560px; height: 560px;
  top: 40%; right: -180px;
  background: radial-gradient(circle, rgba(121, 192, 255, 0.4), transparent 65%);
}

.parallax__glow--c {
  width: 420px; height: 420px;
  bottom: -140px; left: 30%;
  background: radial-gradient(circle, rgba(126, 231, 135, 0.35), transparent 65%);
}

@media (prefers-reduced-motion: reduce) {
  .parallax__grid,
  .parallax__glow { transition: none !important; transform: none !important; }
}

html {
  background: var(--bg);
}

html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  color: var(--text);
  font-family: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: clamp(15px, 1.05vw, 17px);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

body { background: transparent; position: relative; }

.page {
  width: 100%;
  max-width: 880px;
  margin: 0 auto;
  padding: clamp(32px, 6vw, 80px) clamp(20px, 5vw, 48px) clamp(48px, 6vw, 96px);
}

.hero {
  margin-bottom: clamp(28px, 4vw, 48px);
}

.name {
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: clamp(2.4rem, 6vw, 4rem);
  font-weight: 700;
  color: var(--heading);
  margin: 0 0 12px;
  letter-spacing: -0.02em;
}

.tagline {
  color: var(--accent);
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: clamp(1rem, 1.4vw, 1.1rem);
  margin: 0;
  letter-spacing: 0.01em;
}

.intro {
  color: var(--text);
  font-size: clamp(1.05rem, 1.4vw, 1.2rem);
  max-width: 60ch;
  margin: 0;
}

.block {
  margin-bottom: clamp(36px, 5vw, 56px);
}

.label {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.9rem;
  font-weight: 500;
  text-transform: lowercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  margin: 0 0 20px;
}

.mark {
  display: inline-block;
  width: 10px;
  height: 10px;
  background: var(--accent);
  border-radius: 2px;
}

.tags {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 10px;
}

.tags li {
  padding: 6px 12px;
  background: var(--tag-bg);
  border: 1px solid var(--border);
  color: var(--tag-fg);
  border-radius: 4px;
  font-size: 0.9rem;
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.cards {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 14px;
}

.card {
  display: flex;
  flex-direction: column;
  padding: 18px 20px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  transition: border-color 0.15s ease, transform 0.15s ease;
  height: 100%;
  text-decoration: none;
  color: inherit;
}

.card:hover,
.card--linked:focus-visible {
  border-color: var(--accent);
  transform: translateY(-1px);
  outline: none;
}

.card--linked { cursor: pointer; }

.card__title {
  margin: 0 0 6px;
  font-size: 1rem;
  color: var(--heading);
  font-weight: 600;
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.card__desc {
  margin: 0 0 14px;
  font-size: 0.92rem;
  color: var(--muted);
  line-height: 1.5;
  flex: 1 1 auto;
}

.card__tag {
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.72rem;
  color: var(--muted);
  text-transform: lowercase;
  letter-spacing: 0.04em;
  opacity: 0.85;
}

.card__link {
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.8rem;
  color: var(--accent);
  transition: color 0.15s ease;
}

.card--linked:hover .card__link {
  color: var(--accent-hover);
}

.services {
  list-style: none;
  padding: 0;
  margin: 0;
  counter-reset: svc;
  display: grid;
  gap: 14px;
}

.service {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 18px;
  padding: 18px 20px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 6px;
  transition: transform 0.15s ease, border-color 0.15s ease;
}

.service:hover {
  transform: translateY(-1px);
  border-color: var(--accent);
}

.service__num {
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 1.1rem;
  color: var(--accent);
  font-weight: 600;
  line-height: 1.3;
}

.service__body { min-width: 0; }

.service__title {
  margin: 0 0 4px;
  font-size: 1.05rem;
  color: var(--heading);
  font-weight: 600;
}

.service__desc {
  margin: 0;
  font-size: 0.95rem;
  color: var(--muted);
  line-height: 1.55;
}

.service__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 4px 20px;
  font-size: 0.95rem;
  color: var(--muted);
  line-height: 1.55;
}

.service__list li {
  position: relative;
  padding-left: 16px;
}

.service__list li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 0.75em;
  top: 0.35em;
}

.links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.links li {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.links a {
  color: var(--accent);
  text-decoration: none;
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 1rem;
  border-bottom: 1px solid transparent;
  padding-bottom: 1px;
  transition: color 0.15s ease, border-color 0.15s ease;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.ico {
  width: 1.1em;
  height: 1.1em;
  flex: 0 0 auto;
  display: inline-block;
  vertical-align: -0.18em;
}

.links a:hover,
.links a:focus-visible {
  color: var(--accent-hover);
  border-bottom-color: var(--accent-hover);
  outline: none;
}

.link-btn {
  background: none;
  border: 0;
  padding: 0 0 1px;
  margin: 0;
  cursor: pointer;
  color: var(--accent);
  font: inherit;
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 1rem;
  border-bottom: 1px solid transparent;
  transition: color 0.15s ease, border-color 0.15s ease;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.link-btn:hover,
.link-btn:focus-visible {
  color: var(--accent-hover);
  border-bottom-color: var(--accent-hover);
  outline: none;
}

.copy-hint {
  font-size: 0.75em;
  opacity: 0.7;
  transition: color 0.15s ease, opacity 0.15s ease;
}

.copy-hint--ok {
  color: var(--accent);
  opacity: 1;
}

.copy-hint--err {
  color: #ff7b72;
  opacity: 1;
}

.arrow {
  color: var(--muted);
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

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

.foot {
  margin-top: clamp(48px, 8vw, 96px);
  padding-top: 20px;
  border-top: 1px solid var(--border);
  font-size: 0.85rem;
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.foot a { color: var(--accent); text-decoration: none; }
.foot a:hover { color: var(--accent-hover); }

/* project detail pages */
.back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
  margin-bottom: 32px;
  transition: color 0.15s ease;
}

.back:hover { color: var(--accent); }

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 16px;
}

.gallery figure {
  margin: 0;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
}

.gallery img {
  display: block;
  width: 100%;
  height: auto;
}

.gallery figcaption {
  padding: 10px 14px;
  border-top: 1px solid var(--border);
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.8rem;
  color: var(--muted);
}

.gallery--single {
  grid-template-columns: 1fr;
  max-width: 720px;
}

.feature-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 6px 24px;
  color: var(--text);
  font-size: 0.98rem;
  line-height: 1.55;
}

.feature-list li {
  position: relative;
  padding-left: 16px;
}

.feature-list li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 0.75em;
  top: 0.35em;
}

.prose {
  margin: 0;
  max-width: 68ch;
  color: var(--text);
  font-size: 1rem;
  line-height: 1.65;
}

.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

.meta-row .tag-pill {
  padding: 4px 10px;
  background: var(--tag-bg);
  border: 1px solid var(--border);
  color: var(--tag-fg);
  border-radius: 4px;
  font-size: 0.8rem;
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.toc {
  border: 1px solid var(--border);
  background: var(--panel);
  border-radius: 8px;
  padding: 18px 22px;
  margin-bottom: clamp(24px, 3vw, 40px);
}
.toc__title {
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.8rem;
  color: var(--muted);
  text-transform: lowercase;
  letter-spacing: 0.06em;
  margin: 0 0 12px 0;
}
.toc__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 8px 20px;
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.9rem;
}
.toc__list a {
  color: var(--text);
  text-decoration: none;
  padding: 4px 0;
  border-bottom: 1px dotted transparent;
  transition: color 0.15s ease, border-color 0.15s ease;
}
.toc__list a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}
.toc__list a::before {
  content: "› ";
  color: var(--accent);
}

.tldr {
  border-left: 3px solid var(--accent);
  background: rgba(126, 231, 135, 0.05);
  border-radius: 4px;
  padding: 16px 20px;
  margin: 8px 0 18px 0;
  font-size: 0.95rem;
  line-height: 1.55;
}
.tldr__label {
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.72rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  display: block;
  margin-bottom: 6px;
}
.tldr p { margin: 0; }
.tldr ul, .tldr ol { margin: 6px 0 0 0; padding-left: 20px; }
.tldr li { margin: 2px 0; }

.callout--warn {
  border-left: 3px solid #f0b849;
  background: rgba(240, 184, 73, 0.06);
  border-radius: 4px;
  padding: 14px 18px;
  margin: 12px 0;
  font-size: 0.92rem;
  line-height: 1.55;
}
.callout--warn .callout__label {
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.7rem;
  color: #f0b849;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  display: block;
  margin-bottom: 4px;
}

.kv {
  display: grid;
  grid-template-columns: minmax(160px, max-content) 1fr;
  gap: 6px 20px;
  margin: 10px 0 0 0;
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.9rem;
}
.kv dt {
  color: var(--muted);
  text-align: right;
}
.kv dd {
  margin: 0;
  color: var(--heading);
}

.cmp-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 10px;
  font-size: 0.92rem;
}
.cmp-table th, .cmp-table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}
.cmp-table th {
  color: var(--muted);
  font-weight: 500;
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.cmp-table code {
  background: var(--tag-bg);
  padding: 1px 6px;
  border-radius: 3px;
  font-size: 0.88em;
  color: var(--accent);
}

.sub {
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 1.05rem;
  color: var(--heading);
  margin: 22px 0 8px 0;
  font-weight: 600;
}
.sub .num {
  color: var(--accent);
  margin-right: 8px;
}

section.block[id] { scroll-margin-top: 24px; }