:root {
  color-scheme: dark;
  --bg: #07090d;
  --bg-2: #0c1016;
  --panel: rgba(14, 18, 26, 0.86);
  --panel-strong: rgba(18, 24, 35, 0.96);
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.16);
  --text: #f4f1ea;
  --muted: #aab4c5;
  --muted-2: #7c8798;
  --accent: #ff5a2a;
  --accent-2: #f2cc72;
  --accent-3: #7fb2ff;
  --shadow: 0 30px 90px rgba(0, 0, 0, 0.42);
  --radius: 1.4rem;
  --radius-lg: 2rem;
  --mono: "IBM Plex Mono", "SFMono-Regular", "Cascadia Mono", "Consolas", monospace;
  --serif: "Georgia", "Times New Roman", serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background:
    radial-gradient(circle at 15% 15%, rgba(255, 90, 42, 0.14), transparent 22%),
    radial-gradient(circle at 84% 14%, rgba(242, 204, 114, 0.10), transparent 18%),
    radial-gradient(circle at 50% 88%, rgba(127, 178, 255, 0.10), transparent 24%),
    linear-gradient(180deg, #0b0f15 0%, #07090d 100%);
  font-family: var(--mono);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(rgba(255, 255, 255, 0.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.028) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: radial-gradient(circle at center, black 28%, transparent 82%);
  opacity: 0.28;
}

a {
  color: inherit;
}

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

.page {
  position: relative;
  max-width: 1280px;
  margin: 0 auto;
  padding: 1.2rem;
}

.topbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.2rem 0 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: 0.76rem;
  font-weight: 800;
  color: var(--text);
}

.brand-mark {
  width: 0.92rem;
  height: 0.92rem;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 0 6px rgba(255, 90, 42, 0.08);
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  justify-content: flex-end;
}

.nav a {
  padding: 0.55rem 0.8rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  text-decoration: none;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.03);
  transition: transform 140ms ease, border-color 140ms ease, color 140ms ease, background 140ms ease;
}

.nav a:hover,
.nav a:focus-visible,
.nav a[aria-current="page"] {
  transform: translateY(-1px);
  border-color: rgba(255, 90, 42, 0.35);
  color: var(--text);
  background: rgba(255, 90, 42, 0.10);
}

.hero {
  position: relative;
  overflow: hidden;
  display: grid;
  gap: 1.25rem;
  padding: clamp(1.5rem, 3vw, 2.6rem);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), transparent 30%),
    radial-gradient(circle at 18% 14%, rgba(255, 90, 42, 0.20), transparent 24%),
    radial-gradient(circle at 86% 14%, rgba(242, 204, 114, 0.12), transparent 18%),
    linear-gradient(135deg, #141a25 0%, #0b1017 52%, #07090d 100%);
  box-shadow: var(--shadow);
  isolation: isolate;
}

.hero.hero-split {
  grid-template-columns: minmax(0, 1.15fr) minmax(260px, 0.85fr);
  align-items: start;
}

.eyebrow {
  margin: 0 0 0.6rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.28em;
  font-size: 0.74rem;
  font-weight: 800;
}

.title {
  margin: 0;
  max-width: 12ch;
  font-family: var(--serif);
  font-size: clamp(3rem, 8vw, 6.7rem);
  line-height: 0.9;
  letter-spacing: -0.05em;
}

.hero-copy {
  display: grid;
  gap: 1rem;
  max-width: 58rem;
  color: var(--muted);
  font-size: 1.03rem;
  line-height: 1.7;
}

.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.pill,
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.42rem;
  padding: 0.5rem 0.8rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
}

.pill strong,
.badge strong {
  color: var(--accent-2);
}

.hero-side {
  display: grid;
  gap: 1rem;
}

.cover-card {
  overflow: hidden;
  border-radius: 1.6rem;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
  box-shadow: var(--shadow);
}

.cover-card img {
  aspect-ratio: 1 / 1;
  width: 100%;
  object-fit: cover;
}

.card {
  padding: 1.1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow);
}

.card h2,
.card h3,
.section h2 {
  margin: 0 0 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.8rem;
  color: var(--accent-2);
}

.card p,
.section p {
  margin: 0;
  color: var(--muted);
}

.section {
  margin-top: 1.25rem;
  padding: 1.2rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--panel);
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow);
}

.section-header {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.8rem;
  margin-bottom: 1rem;
}

.section-header p {
  max-width: 58rem;
}

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

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.track-list,
.file-list,
.bullet-list,
.stack-list,
.page-list,
.note-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.track-list {
  display: grid;
  gap: 0.75rem;
}

.track {
  display: grid;
  grid-template-columns: 4rem 1fr;
  gap: 0.9rem;
  padding: 0.95rem 0;
  border-top: 1px solid var(--line);
}

.track:first-child {
  border-top: 0;
  padding-top: 0;
}

.track-no {
  color: var(--accent);
  font-weight: 800;
  letter-spacing: 0.08em;
}

.track-title {
  margin: 0 0 0.2rem;
  font-size: 1.02rem;
  color: var(--text);
}

.track-summary {
  margin: 0;
  color: var(--muted);
}

.stack-list {
  display: grid;
  gap: 0.75rem;
}

.stack-item {
  display: flex;
  gap: 0.85rem;
  align-items: flex-start;
  padding: 0.85rem 0;
  border-top: 1px solid var(--line);
}

.stack-item:first-child {
  padding-top: 0;
  border-top: 0;
}

.stack-item strong {
  min-width: 9rem;
  color: var(--text);
}

.stack-item span {
  color: var(--muted);
}

.file-list {
  display: grid;
  gap: 0.7rem;
}

.file-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.85rem 0;
  border-top: 1px solid var(--line);
}

.file-row:first-child {
  border-top: 0;
  padding-top: 0;
}

.file-row code,
.inline-code {
  padding: 0.18rem 0.45rem;
  border-radius: 0.35rem;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
}

.file-row small {
  color: var(--muted-2);
}

.page-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 1.2rem;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
}

.page-card a {
  display: grid;
  gap: 0.75rem;
  padding: 1rem;
  text-decoration: none;
}

.page-card:hover,
.page-card:focus-within {
  border-color: rgba(255, 90, 42, 0.34);
}

.page-card h3 {
  margin: 0;
  font-size: 1.05rem;
  color: var(--text);
  text-transform: none;
  letter-spacing: 0;
}

.page-card p {
  color: var(--muted);
}

.page-card .subline {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--accent-2);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
}

.section-quote {
  padding: 1rem 1.1rem;
  border-left: 3px solid rgba(242, 204, 114, 0.65);
  background: rgba(255, 255, 255, 0.03);
  border-radius: 1rem;
  color: var(--text);
}

.footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.1rem 0 1.4rem;
  color: var(--muted-2);
  font-size: 0.9rem;
}

.divider {
  height: 1px;
  background: var(--line);
  margin: 0.9rem 0;
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.33rem 0.6rem;
  border-radius: 999px;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
}

.status.is-live {
  color: #b6ffcb;
  border-color: rgba(182, 255, 203, 0.24);
}

.status.is-placeholder {
  color: #ffd99c;
  border-color: rgba(255, 217, 156, 0.24);
}

.repo-frame {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.8fr);
  gap: 1rem;
}

.repo-pane,
.shell-pane,
.archive-pane {
  display: grid;
  gap: 1rem;
}

.repo-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.repo-path {
  font-size: 1.1rem;
  color: var(--text);
}

.repo-path code {
  color: var(--accent-2);
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.45rem 0.65rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.82rem;
}

.code-block {
  padding: 1rem;
  border-radius: 1rem;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  color: #d7deea;
  overflow: auto;
  white-space: pre-wrap;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.8rem;
}

.metric {
  padding: 0.9rem 1rem;
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: rgba(255, 255, 255, 0.03);
}

.metric strong {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--accent-2);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.72rem;
}

.metric span {
  color: var(--text);
}

.thumb {
  width: 100%;
  max-width: 260px;
  border-radius: 1.2rem;
  border: 1px solid var(--line);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.hero-callout {
  display: grid;
  gap: 0.8rem;
  padding: 1rem 1.05rem;
  border: 1px solid rgba(255, 255, 255, 0.10);
  border-radius: 1rem;
  background: rgba(255, 255, 255, 0.03);
}

.callout-title {
  color: var(--accent-2);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.75rem;
  font-weight: 800;
}

.timeline {
  display: grid;
  gap: 0.8rem;
}

.timeline-item {
  display: grid;
  grid-template-columns: 8rem 1fr;
  gap: 1rem;
  padding-top: 0.8rem;
  border-top: 1px solid var(--line);
}

.timeline-item:first-child {
  border-top: 0;
  padding-top: 0;
}

.timeline-item strong {
  color: var(--text);
}

.timeline-item span {
  color: var(--muted);
}

.matrix {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.9rem;
}

.matrix-card {
  padding: 1rem;
  border-radius: 1.1rem;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
}

.matrix-card h3 {
  margin: 0 0 0.4rem;
  color: var(--text);
  text-transform: none;
  letter-spacing: 0;
}

.matrix-card .role {
  color: var(--accent-2);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.72rem;
}

.matrix-card p {
  margin-top: 0.55rem;
  color: var(--muted);
}

.matrix-card .empty {
  margin-top: 0.7rem;
  padding: 0.4rem 0.55rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 217, 156, 0.25);
  color: #ffd99c;
  background: rgba(255, 217, 156, 0.06);
  display: inline-flex;
}

.split-note {
  color: var(--muted-2);
  font-size: 0.9rem;
}

.table {
  width: 100%;
  border-collapse: collapse;
  overflow: hidden;
}

.table th,
.table td {
  padding: 0.8rem 0.7rem;
  text-align: left;
  border-top: 1px solid var(--line);
  vertical-align: top;
}

.table th {
  color: var(--accent-2);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.72rem;
}

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

.table tr:first-child td {
  border-top: 0;
}

.table td:first-child,
.table th:first-child {
  padding-left: 0;
}

.table td:last-child,
.table th:last-child {
  padding-right: 0;
}

.call-to-action {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.button {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.72rem 0.95rem;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  text-decoration: none;
  background: rgba(255, 255, 255, 0.04);
  transition: transform 140ms ease, border-color 140ms ease, background 140ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
  border-color: rgba(255, 90, 42, 0.38);
  background: rgba(255, 90, 42, 0.12);
}

.button.primary {
  color: #120c08;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-color: transparent;
  font-weight: 800;
}

.button.primary:hover,
.button.primary:focus-visible {
  color: #120c08;
}

.help-text {
  color: var(--muted-2);
  font-size: 0.9rem;
}

.page-stack {
  display: grid;
  gap: 1rem;
}

@media (max-width: 980px) {
  .hero.hero-split,
  .repo-frame,
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

  .title {
    max-width: 10ch;
  }

  .timeline-item {
    grid-template-columns: 1fr;
    gap: 0.25rem;
  }
}

@media (max-width: 640px) {
  .page {
    padding: 0.8rem;
  }

  .hero,
  .section,
  .card {
    border-radius: 1.2rem;
  }

  .nav {
    justify-content: flex-start;
  }

  .track {
    grid-template-columns: 3rem 1fr;
  }
}