:root {
  --bg: #07111d;
  --bg-elevated: #0c1a29;
  --panel: rgba(18, 33, 51, 0.9);
  --panel-soft: rgba(23, 41, 63, 0.72);
  --line: rgba(120, 189, 255, 0.22);
  --text: #f5f9ff;
  --muted: #9fb3cb;
  --blue: #5fc8ff;
  --violet: #8c5bff;
  --magenta: #e4458f;
  --jade: #15b88a;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --max-width: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: dark;
}

body {
  margin: 0;
  font-family: "SF Pro Display", "SF Pro Text", "Helvetica Neue", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(95, 200, 255, 0.18), transparent 30%),
    radial-gradient(circle at top right, rgba(140, 91, 255, 0.16), transparent 32%),
    linear-gradient(180deg, #081321 0%, var(--bg) 100%);
}

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

.site-shell {
  min-height: 100vh;
  padding: 24px;
}

.site-frame {
  width: min(100%, var(--max-width));
  margin: 0 auto;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.brand-mark {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue), var(--violet));
  box-shadow: 0 0 0 6px rgba(95, 200, 255, 0.1);
}

.nav-links {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 10px;
}

.method-link-strip {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 10px;
}

.nav-pill,
.prompt-button,
.hero-action,
.route-card-link,
.method-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 16px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  font-size: 0.95rem;
  font-weight: 600;
}

.nav-pill:hover,
.prompt-button:hover,
.hero-action:hover,
.route-card-link:hover,
.method-link:hover {
  border-color: rgba(95, 200, 255, 0.45);
  background: rgba(255, 255, 255, 0.07);
}

.nav-pill.is-active,
.method-link.is-active {
  background: rgba(140, 91, 255, 0.14);
  border-color: rgba(140, 91, 255, 0.48);
}

.hero {
  padding: 32px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(140, 91, 255, 0.24);
  background:
    linear-gradient(180deg, rgba(19, 35, 54, 0.96) 0%, rgba(12, 25, 39, 0.94) 100%);
  box-shadow: var(--shadow);
}

.hero-eyebrow,
.section-eyebrow,
.stack-title,
.list-title {
  margin: 0 0 10px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.hero h1,
.page-title {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 0.98;
  letter-spacing: -0.04em;
}

.hero-copy,
.page-copy,
.support-copy {
  max-width: 760px;
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.6;
}

.hero-actions,
.prompt-actions,
.route-card-actions,
.method-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

.hero-action.is-primary,
.route-card-link.is-primary,
.prompt-button.is-primary {
  background: linear-gradient(135deg, rgba(95, 200, 255, 0.18), rgba(140, 91, 255, 0.18));
  border-color: rgba(95, 200, 255, 0.45);
}

.layout-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(280px, 0.9fr);
  gap: 20px;
  margin-top: 24px;
}

.stack,
.panel,
.route-card,
.prompt-card {
  display: block;
  padding: 22px;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
}

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

.route-grid {
  display: grid;
  gap: 16px;
  margin-top: 18px;
}

.route-grid.two-up {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.route-card h3,
.prompt-card h3,
.panel h2,
.panel h3 {
  margin: 0;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
}

.route-card p,
.prompt-card p,
.panel p,
.list-item p,
.issue p {
  margin: 10px 0 0;
  color: var(--muted);
  line-height: 1.55;
}

.route-card.is-link,
.list-item.is-link {
  transition: transform 120ms ease, border-color 120ms ease, background 120ms ease;
}

.route-card.is-link:hover,
.list-item.is-link:hover {
  transform: translateY(-1px);
  border-color: rgba(95, 200, 255, 0.45);
  background: rgba(23, 41, 63, 0.94);
}

.symposium-card {
  min-height: 100%;
}

.symposium-pills {
  margin-top: 16px;
}

.tile-link-label {
  margin-top: 14px;
  color: var(--text);
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.data-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 36px;
  padding: 0 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text);
  font-size: 0.9rem;
}

.data-pill strong {
  color: var(--muted);
  font-weight: 600;
}

.list {
  display: grid;
  gap: 14px;
  margin-top: 16px;
}

.list-item,
.issue {
  padding: 16px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.list-item h4,
.issue h4 {
  margin: 0;
  font-size: 1rem;
}

.prompt-grid {
  display: grid;
  gap: 16px;
  margin-top: 18px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.prompt-card code {
  display: block;
  margin-top: 12px;
  padding: 14px;
  border-radius: var(--radius-sm);
  background: rgba(0, 0, 0, 0.26);
  color: #d8e6f7;
  font-family: "SF Mono", "Menlo", monospace;
  font-size: 0.84rem;
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-word;
}

.status-note {
  margin-top: 14px;
  color: var(--jade);
  font-size: 0.9rem;
  font-weight: 700;
}

.footer-note {
  margin-top: 18px;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.6;
}

@media (max-width: 860px) {
  .site-shell {
    padding: 18px;
  }

  .layout-grid {
    grid-template-columns: 1fr;
  }

  .hero,
  .stack,
  .panel,
  .route-card,
  .prompt-card {
    padding: 18px;
  }

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