:root {
  color-scheme: dark;
  --bg: #09111a;
  --bg-glow: #17324d;
  --panel: rgba(16, 24, 38, 0.92);
  --panel-strong: rgba(19, 34, 54, 0.96);
  --panel-soft: rgba(12, 19, 30, 0.82);
  --border: rgba(112, 176, 216, 0.18);
  --border-strong: rgba(126, 231, 214, 0.34);
  --text: #e9f4ff;
  --muted: #9fb4c8;
  --accent: #7ee7d6;
  --accent-strong: #b6fff0;
  --warn: #ffc27c;
  --danger: #ff9f9f;
  --shadow: 0 30px 80px rgba(0, 0, 0, 0.45);
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
}

body {
  margin: 0;
  min-height: 100%;
  font-family: "Segoe UI", "Inter", "Helvetica Neue", system-ui, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(126, 231, 214, 0.08), transparent 32%),
    radial-gradient(circle at top right, rgba(96, 167, 255, 0.16), transparent 28%),
    linear-gradient(180deg, var(--bg-glow) 0%, var(--bg) 28%, #060b12 100%);
}

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

a:hover {
  text-decoration: underline;
}

.shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 80px;
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  margin-bottom: 28px;
}

.brand {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.nav-links {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

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

.hero,
.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.hero {
  padding: 28px;
  margin-bottom: 24px;
}

.hero-download {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.9fr);
  gap: 22px;
  align-items: stretch;
}

.hero-copy {
  display: grid;
  gap: 16px;
}

.hero-text {
  font-size: 1.08rem;
  max-width: 62ch;
}

.release-chip {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  background: rgba(126, 231, 214, 0.08);
  color: var(--accent-strong);
  font-size: 0.9rem;
  font-weight: 600;
}

.eyebrow {
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.72rem;
  font-weight: 700;
}

h1,
h2 {
  margin: 0;
}

h1 {
  font-size: clamp(2.4rem, 4vw, 4.3rem);
  line-height: 0.98;
  letter-spacing: -0.04em;
}

h2 {
  font-size: 1.35rem;
}

p {
  color: var(--muted);
  line-height: 1.65;
  margin: 0;
}

.recommendation {
  color: var(--accent-strong);
  font-weight: 600;
}

.release-links,
.cta-row,
.footer-links {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.release-links a {
  color: var(--accent-strong);
}

.download-grid {
  display: grid;
  gap: 16px;
}

.download-card {
  display: grid;
  gap: 14px;
  padding: 22px;
  border-radius: 22px;
  border: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(20, 33, 52, 0.94), rgba(10, 18, 28, 0.95));
}

.download-card.is-recommended {
  border-color: var(--border-strong);
  box-shadow: 0 18px 40px rgba(16, 90, 87, 0.28);
}

.download-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}

.download-platform {
  color: var(--accent-strong);
  font-weight: 700;
  letter-spacing: 0.03em;
}

.download-recommended {
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  background: rgba(126, 231, 214, 0.1);
  color: var(--accent-strong);
  font-size: 0.78rem;
  font-weight: 700;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 12px 18px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--text);
  font-weight: 700;
  background: rgba(19, 34, 54, 0.82);
}

.button:hover {
  text-decoration: none;
}

.button-primary {
  background: linear-gradient(135deg, var(--accent) 0%, #61b6ff 100%);
  color: #08101a;
  border-color: transparent;
}

.status-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
  padding: 18px 22px;
  margin-bottom: 24px;
}

.panel {
  padding: 22px;
}

.panel-inline {
  background: var(--panel-soft);
}

.panel strong {
  display: block;
  color: var(--text);
  margin-bottom: 6px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin-top: 24px;
}

.grid-compact {
  margin-top: 0;
}

.details-layout {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 16px;
  margin-top: 24px;
}

.hero-proof {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(300px, 0.85fr);
  gap: 22px;
  align-items: stretch;
}

.proof-poster {
  display: grid;
  align-items: stretch;
}

.proof-poster img {
  width: 100%;
  height: 100%;
  min-height: 300px;
  border-radius: 22px;
  border: 1px solid var(--border);
  object-fit: cover;
}

.proof-highlight {
  padding: 22px;
  margin-bottom: 24px;
  background: linear-gradient(180deg, rgba(20, 33, 52, 0.94), rgba(9, 17, 26, 0.98));
  border: 1px solid var(--border-strong);
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.architecture-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(300px, 0.95fr);
  gap: 22px;
  align-items: stretch;
}

.architecture-system-card,
.architecture-highlight,
.architecture-card,
.command-matrix > div,
.faq-list details {
  border: 1px solid var(--border);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.architecture-system-card {
  display: grid;
  align-content: center;
  gap: 10px;
  padding: 22px;
  border-radius: 24px;
  background:
    linear-gradient(180deg, rgba(19, 34, 54, 0.94), rgba(8, 14, 24, 0.96));
}

.architecture-node {
  padding: 13px 15px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(7, 14, 24, 0.9);
  color: var(--text);
  font-weight: 800;
}

.architecture-node.is-user,
.architecture-node.is-agent {
  border-color: rgba(255, 194, 124, 0.35);
}

.architecture-node.is-core,
.architecture-node.is-repo {
  border-color: var(--border-strong);
}

.architecture-arrow {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.architecture-highlight {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
  gap: 20px;
  padding: 24px;
  margin-bottom: 24px;
  border-color: var(--border-strong);
  border-radius: 24px;
  background:
    linear-gradient(135deg, rgba(14, 27, 43, 0.98), rgba(8, 14, 24, 0.96));
}

.architecture-highlight > div:first-child {
  display: grid;
  gap: 12px;
}

.architecture-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 16px;
}

.architecture-card {
  display: grid;
  gap: 10px;
  padding: 20px;
  border-radius: 20px;
}

.architecture-card h3,
.command-matrix strong {
  margin: 0;
  color: var(--text);
}

.lifecycle-strip {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  padding: 18px;
  border-radius: 22px;
  border: 1px solid var(--border-strong);
  background: rgba(8, 14, 24, 0.82);
}

.lifecycle-strip span {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  padding: 9px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--accent-strong);
  background: rgba(126, 231, 214, 0.08);
  font-weight: 800;
}

.lifecycle-strip-compact {
  align-content: start;
}

.command-matrix {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 14px;
}

.command-matrix > div {
  display: grid;
  gap: 8px;
  padding: 18px;
  border-radius: 18px;
}

.command-matrix span {
  color: var(--muted);
  line-height: 1.55;
}

.faq-list {
  display: grid;
  gap: 12px;
}

.faq-list details {
  padding: 18px;
  border-radius: 18px;
}

.faq-list summary {
  cursor: pointer;
  color: var(--text);
  font-weight: 800;
}

.faq-list p {
  margin-top: 10px;
}

.proof-highlight-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(260px, 0.8fr);
  gap: 18px;
  align-items: stretch;
}

.proof-highlight-copy {
  display: grid;
  gap: 14px;
}

.proof-highlight-stats {
  display: grid;
  gap: 12px;
}

.proof-stat {
  display: grid;
  gap: 4px;
  padding: 16px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: rgba(8, 14, 24, 0.82);
}

.proof-stat-value {
  font-size: clamp(1.8rem, 3vw, 2.7rem);
  font-weight: 800;
  color: var(--accent-strong);
  letter-spacing: -0.04em;
}

.proof-stat-label {
  color: var(--muted);
  font-size: 0.92rem;
}

.proof-section {
  display: grid;
  gap: 18px;
  margin-top: 24px;
}

.section-header {
  display: grid;
  gap: 10px;
}

.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
}

.video-card {
  display: grid;
  gap: 14px;
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.video-card-primary {
  grid-column: span 2;
}

.video-card img,
.proof-video {
  width: 100%;
  max-height: 280px;
  object-fit: cover;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: #050912;
}

.video-card-primary .proof-video {
  max-height: 520px;
}

.video-copy {
  display: grid;
  gap: 10px;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 16px;
}

.metric-card {
  display: grid;
  gap: 12px;
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.metric-row {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
}

.metric-row span,
.metric-row strong {
  font-size: 0.9rem;
}

.metric-track {
  position: relative;
  height: 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

.metric-fill {
  display: block;
  height: 100%;
  border-radius: 999px;
}

.metric-fill-a {
  background: linear-gradient(90deg, #ff8b6b 0%, #ffba9a 100%);
}

.metric-fill-b {
  background: linear-gradient(90deg, #7ee7d6 0%, #61b6ff 100%);
}

.method-grid,
.evidence-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

.method-grid > div,
.evidence-card {
  display: grid;
  gap: 8px;
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.method-grid strong,
.evidence-card h3 {
  color: var(--text);
}

.proof-cta {
  padding: 24px;
  border: 1px solid var(--border-strong);
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(20, 33, 52, 0.94), rgba(10, 18, 28, 0.98));
  box-shadow: var(--shadow);
}

.detail-panel {
  display: grid;
  gap: 14px;
}

.detail-link-row {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

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

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

.list {
  display: grid;
  gap: 10px;
}

.list div {
  color: var(--muted);
  line-height: 1.55;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 20px;
  margin-top: 34px;
  padding-top: 22px;
  border-top: 1px solid var(--border);
}

.site-footer strong {
  display: block;
  color: var(--text);
  margin-bottom: 6px;
}

.site-footer span {
  display: block;
  max-width: 560px;
  line-height: 1.6;
  color: var(--muted);
}

code {
  background: rgba(7, 14, 24, 0.92);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 2px 6px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}

pre {
  margin: 0;
  padding: 16px 18px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: rgba(6, 11, 18, 0.96);
  overflow-x: auto;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.03);
}

pre code {
  display: block;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--accent-strong);
  line-height: 1.6;
  white-space: pre;
}

@media (max-width: 900px) {
  .hero-download,
  .architecture-hero,
  .architecture-highlight,
  .hero-proof,
  .proof-highlight-grid {
    grid-template-columns: 1fr;
  }

  .video-card-primary {
    grid-column: span 1;
  }
}

@media (max-width: 720px) {
  .shell {
    width: min(100%, calc(100% - 20px));
    padding-top: 18px;
  }

  .nav,
  .site-footer {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero,
  .panel {
    border-radius: 20px;
  }

  h1 {
    font-size: clamp(2rem, 11vw, 3rem);
  }
}