:root {
  color-scheme: dark;
  --bg: #08111f;
  --bg-soft: #0d1a2d;
  --panel: #101d31;
  --panel-strong: #14243c;
  --text: #edf4ff;
  --muted: #a9b8cd;
  --line: rgba(173, 195, 224, 0.18);
  --accent: #68d9c4;
  --accent-strong: #46bfa9;
  --warning: #ffd166;
  --danger: #ff8a8a;
  --shadow: 0 22px 70px rgba(0, 0, 0, 0.32);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 20% 0%, rgba(104, 217, 196, 0.12), transparent 28rem),
    linear-gradient(180deg, #08111f 0%, #0a1321 48%, #08111f 100%);
  color: var(--text);
  line-height: 1.6;
}

a {
  color: inherit;
}

code,
pre {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1rem clamp(1rem, 4vw, 3rem);
  background: rgba(8, 17, 31, 0.88);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text);
  font-weight: 800;
  letter-spacing: -0.03em;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 2.25rem;
  height: 2.25rem;
  place-items: center;
  border: 1px solid rgba(104, 217, 196, 0.5);
  border-radius: 0.7rem;
  background: rgba(104, 217, 196, 0.1);
  color: var(--accent);
  font-size: 0.8rem;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.35rem 1rem;
  color: var(--muted);
  font-size: 0.94rem;
}

.site-nav a,
.site-footer a,
.text-link {
  text-decoration: none;
}

.site-nav a:hover,
.site-footer a:hover,
.text-link:hover {
  color: var(--accent);
}

.section-shell {
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.94fr) minmax(380px, 0.82fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
  min-height: 680px;
  padding: clamp(3.2rem, 7vw, 5.8rem) 0;
}

.eyebrow {
  margin: 0 0 0.9rem;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 14ch;
  margin-bottom: 1.25rem;
  font-size: clamp(2.75rem, 5.8vw, 4.5rem);
  line-height: 0.98;
  letter-spacing: -0.065em;
}

h2 {
  margin-bottom: 1rem;
  font-size: clamp(1.8rem, 4vw, 3rem);
  line-height: 1.04;
  letter-spacing: -0.05em;
}

h3 {
  font-size: clamp(1.35rem, 3vw, 2rem);
  line-height: 1.12;
  letter-spacing: -0.04em;
}

.lead {
  max-width: 62ch;
  color: #d3dfef;
  font-size: clamp(1.05rem, 1.8vw, 1.22rem);
}

.narrow {
  max-width: 760px;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 1.7rem;
}

.trust-line {
  max-width: 58ch;
  margin: 1.15rem 0 0;
  color: var(--muted);
  font-size: 0.98rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.78rem 1.15rem;
  border: 1px solid var(--line);
  border-radius: 0.9rem;
  color: var(--text);
  font-weight: 800;
  text-decoration: none;
}

.button.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #05201b;
}

.button.primary:hover {
  background: var(--accent-strong);
}

.button.secondary {
  background: rgba(255, 255, 255, 0.04);
}

.button.disabled {
  cursor: not-allowed;
  background: rgba(255, 255, 255, 0.05);
  color: #7f8fa6;
}

.full {
  width: 100%;
}

.diagnostic-panel,
.content-card,
.edition-card,
.download-choice,
.link-grid a {
  border: 1px solid var(--line);
  background: rgba(16, 29, 49, 0.78);
  box-shadow: var(--shadow);
}

.code-block {
  overflow: auto;
  margin: 0;
  padding: 1.25rem;
  color: #d8f8ef;
  font-size: 0.92rem;
  white-space: pre-wrap;
}

.diagnostic-panel {
  padding: clamp(1.1rem, 3vw, 1.6rem);
  border-radius: 1.5rem;
  background:
    linear-gradient(180deg, rgba(20, 36, 60, 0.94), rgba(11, 22, 38, 0.96)),
    radial-gradient(circle at top right, rgba(104, 217, 196, 0.16), transparent 18rem);
}

.panel-header,
.panel-footer,
.summary-score,
.signal-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.panel-header h2 {
  margin: 0;
  font-size: clamp(1.35rem, 2.8vw, 2rem);
}

.panel-kicker,
.arch-label {
  margin: 0 0 0.35rem;
  color: var(--accent);
  font-size: 0.74rem;
  font-weight: 900;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.status-pill {
  padding: 0.36rem 0.65rem;
  border: 1px solid rgba(104, 217, 196, 0.42);
  border-radius: 999px;
  background: rgba(104, 217, 196, 0.1);
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
}

.summary-score {
  margin: 1.25rem 0;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: rgba(0, 0, 0, 0.2);
}

.summary-score span,
.panel-footer,
.signal-list small {
  color: var(--muted);
}

.summary-score strong {
  max-width: 13rem;
  color: var(--text);
  font-size: 1.25rem;
  line-height: 1.1;
  text-align: right;
}

.signal-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.signal-list li {
  justify-content: flex-start;
  padding: 0.85rem 0;
  border-top: 1px solid var(--line);
}

.signal-list strong,
.signal-list small {
  display: block;
}

.signal {
  flex: 0 0 auto;
  width: 0.72rem;
  height: 0.72rem;
  border-radius: 999px;
}

.signal.ok {
  background: var(--accent);
}

.signal.warning {
  background: var(--warning);
}

.signal.info {
  background: #7db4ff;
}

.panel-footer {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  font-size: 0.86rem;
}

.trust-band {
  border-block: 1px solid var(--line);
  background: rgba(104, 217, 196, 0.06);
}

.trust-grid,
.split {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1fr);
  gap: clamp(2rem, 6vw, 4rem);
  padding: clamp(2.7rem, 6vw, 5rem) 0;
}

.check-list,
.plain-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.check-list li,
.plain-list li {
  margin: 0.65rem 0;
  color: var(--muted);
}

.check-list li::before {
  content: "";
  display: inline-block;
  width: 0.52rem;
  height: 0.52rem;
  margin-right: 0.65rem;
  border-radius: 999px;
  background: var(--accent);
  box-shadow: 0 0 18px rgba(104, 217, 196, 0.55);
}

.compact {
  columns: 2;
}

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

.capability-grid article {
  padding: 1.35rem;
  border: 1px solid var(--line);
  border-radius: 1.1rem;
  background: rgba(255, 255, 255, 0.035);
}

.capability-grid h3 {
  margin-bottom: 0.6rem;
  font-size: 1.18rem;
}

.capability-grid p,
.edition-card p,
.content-card p,
.link-grid span,
.small-text {
  color: var(--muted);
}

.editions {
  padding: clamp(2.7rem, 6vw, 5rem) 0;
}

.section-heading {
  max-width: 720px;
  margin-bottom: 1.5rem;
}

.edition-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.55fr);
  gap: clamp(1.5rem, 5vw, 4rem);
  align-items: start;
  margin: 1.2rem 0;
  padding: clamp(1.2rem, 4vw, 2rem);
  border-radius: 1.4rem;
}

.pro-card {
  background: linear-gradient(135deg, rgba(16, 29, 49, 0.92), rgba(20, 36, 60, 0.9));
}

.edition-label {
  color: var(--warning);
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.download-panel {
  padding: 1.2rem;
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: rgba(0, 0, 0, 0.18);
}

.download-panel h4 {
  margin-bottom: 0.6rem;
  font-size: 1.08rem;
}

.notice {
  padding: 0.75rem;
  border: 1px solid rgba(255, 209, 102, 0.35);
  border-radius: 0.8rem;
  background: rgba(255, 209, 102, 0.08);
  color: #ffe4a3 !important;
}

.notice.success {
  border-color: rgba(104, 217, 196, 0.35);
  background: rgba(104, 217, 196, 0.08);
  color: #baf3e8 !important;
}

.artifact-list {
  margin: 1rem 0;
}

.artifact-list div {
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--line);
}

.artifact-list dt {
  color: var(--muted);
  font-size: 0.8rem;
  text-transform: uppercase;
}

.artifact-list dd {
  margin: 0.15rem 0 0;
}

.code-block {
  border: 1px solid var(--line);
  border-radius: 0.9rem;
  background: rgba(0, 0, 0, 0.32);
}

.text-link {
  display: inline-block;
  margin-top: 1rem;
  color: var(--accent);
  font-weight: 800;
}

.button-stack {
  display: grid;
  gap: 0.65rem;
  margin-top: 1rem;
}

.price {
  margin-bottom: 0.75rem;
  color: var(--accent) !important;
  font-size: 2.8rem;
  font-weight: 900;
  letter-spacing: -0.06em;
}

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

.download-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin: 1.5rem 0;
}

.download-choice {
  display: grid;
  gap: 0.85rem;
  align-content: start;
  padding: 1.25rem;
  border-radius: 1.1rem;
}

.download-choice h2 {
  margin: 0;
  font-size: clamp(1.3rem, 2.5vw, 1.8rem);
}

.download-choice p {
  color: var(--muted);
}

.download-choice code,
.canonical-list code {
  overflow-wrap: anywhere;
}

.download-state-card {
  margin-top: 1.5rem;
}

.canonical-list li {
  margin: 0.45rem 0;
}

.link-grid a,
.content-card {
  border-radius: 1rem;
  padding: 1.25rem;
}

.link-grid a {
  display: grid;
  gap: 0.35rem;
  text-decoration: none;
}

.page {
  padding: clamp(3rem, 8vw, 6rem) 0;
}

.page h1 {
  max-width: 820px;
  font-size: clamp(2.5rem, 5vw, 4.25rem);
}

.content-card {
  margin: 1rem 0;
}

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

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 2rem clamp(1rem, 4vw, 3rem);
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.site-footer p {
  margin: 0;
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

@media (max-width: 860px) {
  .site-header,
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }

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

  .hero,
  .trust-grid,
  .split,
  .edition-card,
  .two-column {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .compact,
  .capability-grid,
  .link-grid {
    columns: initial;
    grid-template-columns: 1fr;
  }
}

@media (max-width: 520px) {
  .section-shell {
    width: min(100% - 1rem, 1120px);
  }

  .site-header {
    position: static;
  }

  h1 {
    font-size: 3rem;
  }

  .code-block {
    font-size: 0.82rem;
  }
}

@media (max-width: 980px) {
  .download-grid {
    grid-template-columns: 1fr;
  }
}