:root {
  --bg-dark: #0a0a0a;
  --bg-darker: #050505;
  --text-primary: #e8e8e8;
  --text-secondary: #a0a0a0;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --border: #1a1a1a;
  --card: rgba(255, 255, 255, 0.03);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg-dark);
  color: var(--text-primary);
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
}

a {
  color: inherit;
}

.page-shell {
  min-height: 100vh;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 24px;
  background: rgba(10, 10, 10, 0.82);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.brand {
  text-decoration: none;
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.03em;
}

.nav {
  display: flex;
  gap: 20px;
  align-items: center;
}

.nav a {
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 14px;
}

.nav a:hover {
  color: var(--text-primary);
}

.nav-portal {
  padding: 8px 16px;
  background: var(--accent);
  color: #fff !important;
  border-radius: 6px;
}

.landing-hero,
.content-hero {
  padding: 140px 0 100px;
}

.landing-hero h1,
.content-hero h1 {
  margin: 0 0 24px;
  font-size: clamp(3rem, 7vw, 4.8rem);
  line-height: 1.06;
  letter-spacing: -0.04em;
  max-width: 12ch;
}

.hero-subtitle,
.lede,
.section-intro,
.section-copy,
.vision,
.intro-text,
.cta-section p,
.content-card p,
.quiet-note {
  color: var(--text-secondary);
}

.hero-subtitle,
.lede {
  font-size: 1.25rem;
  max-width: 48rem;
}

.eyebrow {
  margin-bottom: 16px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 12px;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
  margin-top: 28px;
}

.cta-row.center {
  justify-content: center;
}

.button {
  display: inline-block;
  text-decoration: none;
  padding: 14px 24px;
  border-radius: 8px;
  border: 1px solid var(--border);
  font-weight: 600;
}

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

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

.button.secondary:hover {
  border-color: #2a2a2a;
  background: rgba(255, 255, 255, 0.04);
}

.landing-intro,
.landing-section,
.content-section {
  padding: 96px 0;
  border-top: 1px solid var(--border);
}

.landing-section.dark,
.content-section.dark {
  background: var(--bg-darker);
}

.intro-grid,
.prose-grid,
.details-layout {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 32px;
}

.intro-text {
  font-size: 1.2rem;
}

.landing-section h2,
.content-card h2,
.product-card h2,
.content-section h2 {
  margin: 0 0 24px;
  font-size: clamp(2rem, 5vw, 3rem);
  letter-spacing: -0.03em;
}

.section-intro,
.section-copy {
  max-width: 52rem;
  font-size: 1.15rem;
}

.agent-grid,
.product-grid,
.applications,
.trading-flow {
  display: grid;
  gap: 20px;
  margin-top: 40px;
}

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

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

.applications {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.trading-flow {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.agent-card,
.product-card,
.content-card,
.flow-step,
.app-item,
.result-box,
.status-banner {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 24px;
}

.agent-icon,
.flow-number {
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: rgba(59, 130, 246, 0.14);
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 14px;
}

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

.framework-list li,
.signal-list li {
  padding: 12px 0 12px 22px;
  color: var(--text-secondary);
  position: relative;
}

.framework-list li::before,
.signal-list li::before {
  content: "+";
  position: absolute;
  left: 0;
  color: var(--accent);
}

.principles,
.centered-copy {
  text-align: center;
}

.principle-tags,
.evolution-path {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 24px;
}

.principle-tags span,
.evolution-path span,
.inline-code {
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid rgba(59, 130, 246, 0.36);
  background: rgba(59, 130, 246, 0.08);
  color: var(--text-primary);
}

.trading-framework {
  margin-top: 34px;
}

.result-box {
  margin-top: 32px;
  border-color: rgba(59, 130, 246, 0.5);
  background: rgba(59, 130, 246, 0.06);
}

.result-footer,
.contact-line a,
.release-row span,
.release-details dt {
  color: var(--text-secondary);
}

.content-hero .container,
.landing-hero .container,
.landing-section .container,
.content-section .container {
  max-width: 1100px;
}

.hero-copy.narrow {
  max-width: 46rem;
}

.status-banner.error {
  margin: 18px 24px;
  background: rgba(90, 20, 20, 0.3);
  color: #ffd2d2;
}

.meta-row,
.release-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  color: var(--text-secondary);
}

.release-callout {
  margin-top: 28px;
  padding: 24px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: 10px;
}

.release-details {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.release-details div {
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.02);
}

.release-details dd {
  margin: 6px 0 0;
}

.notes-block {
  margin-top: 16px;
  color: var(--text-secondary);
}

.release-list,
.faq-list {
  display: grid;
  gap: 14px;
}

.release-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  padding: 16px 0;
  border-top: 1px solid var(--border);
}

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

.accent-sunrise,
.accent-harbor,
.accent-ember {
  background: rgba(255, 255, 255, 0.04);
}

.footer {
  padding: 48px 24px;
  border-top: 1px solid var(--border);
  color: var(--text-secondary);
  text-align: center;
}

@media (max-width: 900px) {
  .agent-grid,
  .trading-flow,
  .intro-grid,
  .prose-grid,
  .details-layout {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 700px) {
  .site-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
  }

  .nav {
    flex-wrap: wrap;
  }

  .landing-hero,
  .content-hero {
    padding-top: 120px;
  }

  .agent-grid,
  .trading-flow,
  .intro-grid,
  .prose-grid,
  .details-layout,
  .release-details {
    grid-template-columns: 1fr;
  }

  .landing-hero h1,
  .content-hero h1 {
    max-width: none;
  }
}