:root {
  color-scheme: dark;
  --bg: #070a12;
  --bg-2: #0b1020;
  --ink: #f4f8ff;
  --ink-2: #dbe7f7;
  --muted: #93a4ba;
  --line: rgba(173, 205, 255, 0.16);
  --line-strong: rgba(173, 205, 255, 0.3);
  --surface: rgba(13, 20, 34, 0.78);
  --surface-2: rgba(19, 31, 50, 0.84);
  --surface-solid: #101827;
  --accent: #00e5ff;
  --accent-2: #a6ff4d;
  --accent-3: #ffb020;
  --danger: #ff5e57;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.46);
  --glow: 0 0 42px rgba(0, 229, 255, 0.16);
  --radius: 18px;
  --radius-small: 12px;
  --body-font: "Manrope", "Segoe UI", sans-serif;
  --display-font: "Sora", "Segoe UI", sans-serif;
  --mono-font: "IBM Plex Mono", "Cascadia Code", monospace;
}

:root[data-theme="light"] {
  color-scheme: light;
  --bg: #f4f7fb;
  --bg-2: #eaf0f7;
  --ink: #07111f;
  --ink-2: #172538;
  --muted: #5d6d81;
  --line: rgba(14, 30, 50, 0.14);
  --line-strong: rgba(14, 30, 50, 0.26);
  --surface: rgba(255, 255, 255, 0.78);
  --surface-2: rgba(247, 251, 255, 0.9);
  --surface-solid: #ffffff;
  --accent: #006dff;
  --accent-2: #228b22;
  --accent-3: #c56b00;
  --danger: #c23128;
  --shadow: 0 20px 55px rgba(20, 35, 55, 0.13);
  --glow: 0 0 32px rgba(0, 109, 255, 0.1);
}

* {
  box-sizing: border-box;
}

html {
  background: var(--bg);
  color: var(--ink);
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  font-family: var(--body-font);
  color: var(--ink);
  background:
    radial-gradient(circle at 16% -12%, rgba(0, 229, 255, 0.24), transparent 34%),
    radial-gradient(circle at 86% 4%, rgba(166, 255, 77, 0.12), transparent 26%),
    radial-gradient(circle at 74% 86%, rgba(255, 176, 32, 0.12), transparent 28%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%);
}

:root[data-theme="light"] body {
  background:
    radial-gradient(circle at 12% -16%, rgba(0, 109, 255, 0.18), transparent 32%),
    radial-gradient(circle at 88% 2%, rgba(34, 139, 34, 0.12), transparent 24%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -3;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(173, 205, 255, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(173, 205, 255, 0.045) 1px, transparent 1px);
  background-size: 52px 52px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 78%);
}

:root[data-theme="light"] body::before {
  background-image:
    linear-gradient(rgba(14, 30, 50, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(14, 30, 50, 0.04) 1px, transparent 1px);
}

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

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

button,
input,
select {
  font: inherit;
}

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

h1,
h2,
h3,
h4,
p {
  margin: 0;
}

h1,
h2,
h3,
h4 {
  font-family: var(--display-font);
  font-weight: 800;
  letter-spacing: -0.03em;
}

p {
  line-height: 1.68;
}

.skip-link {
  position: fixed;
  left: 16px;
  top: 16px;
  z-index: 20;
  transform: translateY(-140%);
  padding: 10px 14px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: var(--surface-solid);
  color: var(--ink);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-backdrop {
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background:
    linear-gradient(120deg, transparent 0 48%, rgba(0, 229, 255, 0.1) 48% 49%, transparent 49%),
    linear-gradient(30deg, transparent 0 64%, rgba(166, 255, 77, 0.08) 64% 65%, transparent 65%);
}

.site-shell {
  width: min(1240px, calc(100vw - 40px));
  margin: 0 auto;
  padding: 20px 0 92px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: grid;
  gap: 16px;
  padding: 12px 0 18px;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(7, 10, 18, 0.92), rgba(7, 10, 18, 0.68));
  backdrop-filter: blur(18px);
}

:root[data-theme="light"] .site-header {
  background: linear-gradient(180deg, rgba(244, 247, 251, 0.94), rgba(244, 247, 251, 0.72));
}

.site-header__band,
.site-header__hero,
.hub-nav,
.site-header__actions {
  display: flex;
  align-items: center;
}

.site-header__band {
  justify-content: space-between;
  gap: 16px;
}

.site-header__actions {
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
}

.site-header__eyebrow,
.section-heading__eyebrow,
.detail-card__eyebrow,
.metric-card__label,
.site-header__audience {
  font-family: var(--mono-font);
  font-size: 0.72rem;
  font-weight: 600;
  line-height: 1.3;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
}

.hub-utility {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.hub-utility__link,
.text-link {
  color: var(--accent);
  font-weight: 800;
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, var(--accent), transparent 60%);
  text-decoration-thickness: 1px;
  text-underline-offset: 5px;
}

.theme-toggle {
  min-height: 36px;
  padding: 8px 13px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--ink);
  font-family: var(--mono-font);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
}

.theme-toggle:hover {
  border-color: var(--accent);
  box-shadow: var(--glow);
}

.site-header__hero {
  justify-content: space-between;
  gap: 36px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 8px);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.08), transparent 36%),
    var(--surface);
  box-shadow: var(--shadow);
}

.site-header__title {
  max-width: 820px;
  margin-top: 6px;
  font-size: clamp(2.7rem, 6vw, 5.8rem);
  line-height: 0.92;
}

.site-header__body {
  max-width: 520px;
  color: var(--ink-2);
  font-size: 1.03rem;
}

.hub-nav {
  gap: 6px;
  flex-wrap: wrap;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.045);
}

:root[data-theme="light"] .hub-nav {
  background: rgba(255, 255, 255, 0.68);
}

.hub-nav__link {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 8px 14px;
  border-radius: 999px;
  color: var(--muted);
  font-weight: 800;
}

.hub-nav__link:hover,
.hub-nav__link.is-active {
  background: var(--ink);
  color: var(--bg);
}

.site-main {
  display: grid;
  gap: 54px;
  padding-top: 32px;
}

.content-section {
  display: grid;
  gap: 20px;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.section-heading__title {
  max-width: 900px;
  margin-top: 7px;
  font-size: clamp(1.55rem, 3vw, 2.55rem);
  line-height: 1.08;
}

.launch-board {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(330px, 0.78fr);
  gap: 18px;
  align-items: stretch;
}

.lead-feature,
.launch-rail,
.repo-card,
.news-card,
.resource-card,
.category-card,
.detail-card,
.stack-item,
.session-card,
.ops-panel,
.knowledge-panel,
.visual-card,
.status-card,
.lane-panel,
.metric-card,
.release-note {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.lead-feature {
  min-height: 530px;
  display: grid;
  grid-template-rows: minmax(260px, 1fr) auto;
  overflow: hidden;
}

.lead-feature__media,
.repo-card__media {
  position: relative;
  overflow: hidden;
  background: #050812;
}

.lead-feature__media::after,
.repo-card__media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, transparent 55%, rgba(0, 0, 0, 0.24));
}

.lead-feature__media img,
.repo-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(1.08) contrast(1.06);
}

.lead-feature__body {
  display: grid;
  gap: 14px;
  padding: 28px;
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, var(--surface-2), var(--surface-solid));
}

.lead-feature__title {
  font-size: clamp(2.1rem, 4vw, 3.4rem);
  line-height: 1;
}

.lead-feature__summary,
.release-note__summary,
.repo-card__summary,
.repo-card__detail,
.news-card__summary,
.resource-card__summary,
.category-card__summary,
.stack-item__summary,
.section-intro,
.detail-card p,
.ops-list__item,
.knowledge-preview,
.session-meta,
.lane-panel__summary {
  color: var(--muted);
}

.launch-rail {
  display: grid;
  gap: 14px;
  align-content: stretch;
  padding: 16px;
  background: linear-gradient(180deg, rgba(0, 229, 255, 0.06), rgba(255, 255, 255, 0.035));
}

.launch-metrics,
.hero-grid,
.visual-summary-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.metric-card {
  padding: 18px;
  background: var(--surface-2);
}

.metric-card--compact {
  min-height: 112px;
}

.metric-card__value,
.category-card__count,
.status-card__value {
  margin-top: 8px;
  font-family: var(--display-font);
  font-size: 2.35rem;
  font-weight: 800;
  line-height: 1;
}

.metric-card__detail {
  margin-top: 8px;
  color: var(--muted);
}

.release-note {
  display: grid;
  gap: 10px;
  padding: 18px;
  background:
    linear-gradient(135deg, rgba(0, 229, 255, 0.14), rgba(166, 255, 77, 0.06)),
    var(--surface-solid);
}

.release-note__title {
  font-size: 1.28rem;
  line-height: 1.25;
}

.source-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.source-strip span {
  display: inline-flex;
  padding: 7px 10px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--ink-2);
  font-family: var(--mono-font);
  font-size: 0.72rem;
  font-weight: 600;
}

.action-row,
.filter-bar,
.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.button-link,
.filter-control,
.load-more-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 10px 16px;
  border: 1px solid color-mix(in srgb, var(--accent), white 14%);
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), color-mix(in srgb, var(--accent), var(--accent-2) 28%));
  color: #041018;
  font-weight: 900;
  cursor: pointer;
}

.button-link:hover,
.load-more-button:hover {
  transform: translateY(-1px);
  color: #041018;
  box-shadow: var(--glow);
}

.button-link--ghost,
.load-more-button--ghost,
.filter-control {
  background: rgba(255, 255, 255, 0.045);
  color: var(--ink);
}

.button-link--ghost:hover,
.filter-control:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.filter-bar {
  position: sticky;
  top: 202px;
  z-index: 6;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--bg), transparent 12%);
  backdrop-filter: blur(18px);
}

.filter-control {
  min-width: 170px;
}

.filter-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 42px;
  padding: 9px 13px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.045);
  color: var(--ink);
  font-weight: 800;
  cursor: pointer;
}

.filter-toggle input {
  accent-color: var(--accent);
}

.card-grid,
.detail-grid,
.visualisation-grid,
.status-grid,
.lane-grid,
.dashboard-grid,
.ops-layout,
.knowledge-layout,
.session-layout {
  display: grid;
  gap: 16px;
}

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

.card-grid--feature {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.repo-card,
.news-card,
.resource-card,
.category-card,
.detail-card,
.stack-item,
.session-card,
.ops-panel,
.knowledge-panel,
.visual-card,
.status-card,
.lane-panel {
  position: relative;
  overflow: hidden;
  padding: 18px;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.repo-card {
  display: grid;
  gap: 14px;
  padding: 0;
}

.repo-card > :not(.repo-card__media) {
  margin-left: 18px;
  margin-right: 18px;
}

.repo-card > :last-child {
  margin-bottom: 18px;
}

.repo-card__media {
  aspect-ratio: 16 / 9;
  border-bottom: 1px solid var(--line);
}

.repo-card:hover,
.news-card:hover,
.resource-card:hover,
.category-card:hover,
.lane-panel:hover {
  transform: translateY(-3px);
  border-color: color-mix(in srgb, var(--accent), transparent 20%);
  box-shadow: var(--shadow), var(--glow);
}

.repo-card__topline,
.news-card__meta,
.detail-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.repo-card__title,
.news-card__title,
.resource-card__title,
.category-card__title,
.stack-item__title,
.session-card__title,
.ops-panel__title,
.release-note__title {
  font-size: 1.22rem;
  line-height: 1.2;
}

.repo-card__title a,
.news-card__title a,
.resource-card__title a {
  text-decoration: underline;
  text-decoration-color: transparent;
  text-decoration-thickness: 1px;
  text-underline-offset: 5px;
}

.repo-card__title a:hover,
.news-card__title a:hover,
.resource-card__title a:hover {
  text-decoration-color: currentColor;
}

.repo-card__detail {
  font-size: 0.95rem;
}

.repo-card__footer,
.lane-panel__header,
.lane-panel__meta,
.session-card__header,
.ops-panel__header {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: start;
  flex-wrap: wrap;
}

.repo-card__footer {
  padding-top: 12px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-family: var(--mono-font);
  font-size: 0.78rem;
}

.pill,
.tag-chip,
.status-chip {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 5px 9px;
  font-family: var(--mono-font);
  font-size: 0.72rem;
  font-weight: 600;
  line-height: 1.2;
}

.pill {
  border: 1px solid color-mix(in srgb, var(--accent), transparent 58%);
  background: color-mix(in srgb, var(--accent), transparent 88%);
  color: var(--accent);
}

.pill--soft,
.tag-chip {
  border: 1px solid color-mix(in srgb, var(--accent-2), transparent 62%);
  background: color-mix(in srgb, var(--accent-2), transparent 9%);
  color: var(--accent-2);
}

:root[data-theme="light"] .pill--soft,
:root[data-theme="light"] .tag-chip {
  background: color-mix(in srgb, var(--accent-2), transparent 86%);
}

.status-chip {
  border: 1px solid var(--line);
  color: var(--muted);
}

.status-chip.is-green {
  border-color: color-mix(in srgb, var(--accent-2), transparent 52%);
  background: color-mix(in srgb, var(--accent-2), transparent 88%);
  color: var(--accent-2);
}

.status-chip.is-yellow {
  border-color: color-mix(in srgb, var(--accent-3), transparent 52%);
  background: color-mix(in srgb, var(--accent-3), transparent 88%);
  color: var(--accent-3);
}

.status-chip.is-red {
  border-color: color-mix(in srgb, var(--danger), transparent 52%);
  background: color-mix(in srgb, var(--danger), transparent 88%);
  color: var(--danger);
}

.category-card--link {
  display: block;
}

.category-card__count {
  color: var(--accent);
}

.category-card__summary,
.category-card__meta {
  margin-top: 12px;
}

.stack-list,
.ops-list,
.knowledge-nav,
.visual-bar,
.dashboard-main,
.dashboard-side,
.knowledge-panel,
.ops-panel,
.session-card,
.lane-panel,
.lane-panel__list,
.news-card__highlights {
  display: grid;
  gap: 12px;
}

.stack-item {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: start;
}

.stack-item--long {
  display: block;
}

.lane-panel__item {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding-top: 10px;
  border-top: 1px solid var(--line);
  color: var(--ink);
}

.news-card {
  display: grid;
  gap: 12px;
}

.news-card__highlight {
  position: relative;
  padding-left: 14px;
  color: var(--muted);
}

.news-card__highlight::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: var(--accent);
  box-shadow: 0 0 18px color-mix(in srgb, var(--accent), transparent 34%);
}

.detail-hero {
  display: grid;
  gap: 16px;
  padding: 28px;
  border: 1px solid var(--line-strong);
  border-radius: calc(var(--radius) + 6px);
  background:
    linear-gradient(135deg, rgba(0, 229, 255, 0.1), transparent 40%),
    var(--surface);
  box-shadow: var(--shadow);
}

.detail-hero__title {
  font-size: clamp(2.2rem, 5vw, 4rem);
  line-height: 1;
}

.detail-hero__summary {
  max-width: 780px;
  color: var(--muted);
}

.detail-grid,
.status-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

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

.dashboard-grid {
  grid-template-columns: 1.2fr 0.8fr;
}

.ops-layout,
.knowledge-layout,
.session-layout {
  grid-template-columns: 1fr 1fr;
}

.visual-card,
.status-card {
  background: var(--surface-2);
}

.visual-bar__row {
  display: grid;
  grid-template-columns: 150px 1fr 44px;
  gap: 10px;
  align-items: center;
  font-size: 0.92rem;
}

.visual-bar__meter {
  height: 10px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
}

:root[data-theme="light"] .visual-bar__meter {
  background: rgba(7, 17, 31, 0.1);
}

.visual-bar__fill {
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2), var(--accent-3));
}

.knowledge-preview {
  white-space: pre-wrap;
}

.link-list,
.bullet-list {
  display: grid;
  gap: 8px;
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
}

.empty-state {
  color: var(--muted);
  font-style: italic;
}

body.has-motion [data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 420ms ease, transform 420ms ease;
}

body.has-motion [data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}

@media (max-width: 1120px) {
  .launch-board,
  .card-grid,
  .card-grid--feature,
  .detail-grid,
  .visualisation-grid,
  .visual-summary-grid,
  .lane-grid,
  .dashboard-grid,
  .ops-layout,
  .knowledge-layout,
  .session-layout,
  .status-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .launch-board {
    grid-template-columns: 1fr;
  }

  .site-header__hero {
    align-items: start;
    flex-direction: column;
  }
}

@media (max-width: 760px) {
  .site-shell {
    width: min(100vw - 24px, 100%);
    padding-top: 12px;
  }

  .site-header {
    position: static;
  }

  .site-header__band,
  .site-header__hero,
  .section-heading,
  .stack-item,
  .repo-card__footer {
    align-items: start;
    flex-direction: column;
  }

  .site-header__actions {
    justify-content: flex-start;
  }

  .site-main {
    gap: 36px;
    padding-top: 18px;
  }

  .launch-board,
  .launch-metrics,
  .hero-grid,
  .card-grid,
  .card-grid--feature,
  .detail-grid,
  .visualisation-grid,
  .visual-summary-grid,
  .lane-grid,
  .dashboard-grid,
  .ops-layout,
  .knowledge-layout,
  .session-layout,
  .status-grid {
    grid-template-columns: 1fr;
  }

  .lead-feature {
    min-height: 0;
  }

  .filter-bar {
    position: static;
  }

  .filter-control,
  .filter-toggle,
  .button-link,
  .load-more-button {
    width: 100%;
  }

  .visual-bar__row {
    grid-template-columns: 1fr;
  }
}