:root {
  color-scheme: dark;
  --bg: #0a0a0a;
  --panel: #111111;
  --panel-2: #151515;
  --text: #f5f5f5;
  --muted: #b7b7b7;
  --quiet: #6b6b6b;
  --rule: #2a2a2a;
  --rule-strong: #3a3a3a;
  --teal: #00bfa6;
  --mint: #7fffd4;
  --max: 1280px;
  --measure: 72ch;
  --serif: "Playfair Display", Georgia, "Times New Roman", serif;
  --sans: 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: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(to right, rgba(245, 245, 245, 0.035) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(245, 245, 245, 0.025) 1px, transparent 1px);
  background-size: 96px 96px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.45), transparent 62%);
}

a {
  color: inherit;
  text-decoration-color: rgba(0, 191, 166, 0.7);
  text-underline-offset: 0.18em;
  transition: color 150ms ease, border-color 150ms ease, background 150ms ease;
}

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

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

.skip-link {
  position: absolute;
  left: 16px;
  top: 12px;
  z-index: 20;
  transform: translateY(-140%);
  background: var(--text);
  color: var(--bg);
  padding: 8px 12px;
  border-radius: 4px;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(10, 10, 10, 0.88);
  border-bottom: 1px solid var(--rule);
  backdrop-filter: blur(14px);
}

.header-inner,
.section-inner,
.footer-inner {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  color: var(--text);
}

.brand-logo {
  display: block;
  height: 52px;
  width: auto;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 4px;
  flex-wrap: wrap;
}

.site-nav a {
  border: 1px solid transparent;
  border-radius: 4px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1;
  padding: 10px 12px;
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  border-color: var(--rule-strong);
  color: var(--text);
  background: rgba(245, 245, 245, 0.04);
}

.section {
  position: relative;
  border-bottom: 1px solid var(--rule);
  padding: 104px 0;
}

.section.compact {
  padding: 58px 0;
}

.hero {
  padding: 96px 0 96px;
}

.single-hero {
  min-height: calc(100vh - 77px);
  display: flex;
  align-items: flex-start;
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 20px;
  color: var(--mint);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  line-height: 1.3;
  text-transform: uppercase;
}

.kicker::before {
  content: "";
  width: 26px;
  border-top: 1px solid var(--teal);
}

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

h1,
.display {
  max-width: 1080px;
  margin-bottom: 28px;
  font-family: var(--serif);
  font-size: clamp(4rem, 8.4vw, 8.6rem);
  font-weight: 500;
  line-height: 0.95;
  letter-spacing: 0;
}

h2 {
  max-width: 820px;
  margin-bottom: 22px;
  font-family: var(--serif);
  font-size: clamp(2.1rem, 4vw, 4.35rem);
  font-weight: 500;
  line-height: 1.02;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 12px;
  font-size: 1.05rem;
  line-height: 1.3;
}

.lead {
  max-width: var(--measure);
  color: var(--muted);
  font-size: clamp(1.12rem, 1.8vw, 1.32rem);
}

.hero-lead {
  max-width: 880px;
  font-size: clamp(1.22rem, 2vw, 1.52rem);
}

.prose {
  max-width: var(--measure);
  color: var(--muted);
}

.prose p:last-child,
.lead:last-child {
  margin-bottom: 0;
}

.accent {
  color: var(--mint);
}

.rule {
  height: 1px;
  margin: 42px 0;
  background: var(--rule);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.72fr);
  gap: 64px;
  align-items: end;
}

.hero-copy {
  max-width: 880px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border: 1px solid var(--rule-strong);
  border-radius: 4px;
  padding: 10px 16px;
  color: var(--text);
  font-weight: 700;
  line-height: 1.2;
  text-decoration: none;
}

.button.primary {
  border-color: var(--teal);
  background: var(--teal);
  color: #06110f;
}

.button:hover {
  border-color: var(--mint);
  color: var(--mint);
}

.button.primary:hover {
  background: var(--mint);
  color: #06110f;
}

.aside-note {
  border-left: 1px solid var(--teal);
  padding-left: 22px;
  color: var(--muted);
}

.aside-note strong {
  color: var(--text);
}

.metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin-top: 42px;
  background: var(--rule);
  border: 1px solid var(--rule);
}

.metric {
  min-height: 132px;
  background: var(--bg);
  padding: 24px;
}

.metric b {
  display: block;
  margin-bottom: 8px;
  color: var(--mint);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.metric span {
  color: var(--muted);
}

.two-col {
  display: grid;
  grid-template-columns: minmax(220px, 0.62fr) minmax(0, 1.18fr);
  gap: 72px;
}

.section-label {
  max-width: 300px;
  color: var(--quiet);
  font-size: 0.92rem;
}

.list-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
}

.card {
  min-height: 240px;
  background: var(--panel);
  padding: 28px;
}

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

.card p:last-child,
.card ul:last-child {
  margin-bottom: 0;
}

.card .number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  margin-bottom: 34px;
  border: 1px solid var(--teal);
  border-radius: 50%;
  color: var(--mint);
  font-size: 0.8rem;
  font-weight: 800;
}

.card.link-card {
  display: flex;
  min-height: 190px;
  flex-direction: column;
  justify-content: space-between;
  text-decoration: none;
}

.card.link-card:hover {
  background: var(--panel-2);
}

.link-end {
  color: var(--mint);
  font-weight: 700;
}

.plain-list {
  display: grid;
  gap: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.plain-list li {
  border-top: 1px solid var(--rule);
  padding-top: 18px;
  color: var(--muted);
}

.plain-list strong {
  color: var(--text);
}

.diagram {
  display: grid;
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
}

.diagram-row {
  display: grid;
  grid-template-columns: 220px 1fr;
  min-height: 112px;
  background: var(--bg);
}

.diagram-term {
  display: flex;
  align-items: center;
  border-right: 1px solid var(--rule);
  padding: 26px;
  color: var(--mint);
  font-weight: 800;
}

.diagram-copy {
  padding: 24px 28px;
  color: var(--muted);
}

.process-line {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 34px;
  border: 1px solid var(--rule);
}

.process-step {
  min-height: 170px;
  border-right: 1px solid var(--rule);
  padding: 24px;
}

.process-step:last-child {
  border-right: 0;
}

.process-step .dot {
  width: 14px;
  height: 14px;
  margin-bottom: 36px;
  border-radius: 50%;
  background: var(--teal);
}

.process-step p {
  color: var(--muted);
}

.mode-table {
  width: 100%;
  border-collapse: collapse;
  border-top: 1px solid var(--rule);
  color: var(--muted);
}

.mode-table th,
.mode-table td {
  border-bottom: 1px solid var(--rule);
  padding: 18px 0;
  text-align: left;
  vertical-align: top;
}

.mode-table th {
  width: 30%;
  padding-right: 24px;
  color: var(--text);
  font-size: 1rem;
}

.quote {
  max-width: 900px;
  margin: 0;
  color: var(--text);
  font-family: var(--serif);
  font-size: clamp(2rem, 4vw, 4.4rem);
  line-height: 1.05;
}

.quote small {
  display: block;
  margin-top: 22px;
  color: var(--quiet);
  font-family: var(--sans);
  font-size: 0.95rem;
}

.contact-band {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 48px;
  align-items: center;
}

.contact-band h2 {
  margin-bottom: 0;
}

.site-footer {
  padding: 42px 0;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  color: var(--quiet);
  font-size: 14px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-links a {
  color: var(--muted);
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--mint);
}

.page-intro {
  padding: 88px 0 64px;
}

.page-intro h1 {
  max-width: 1000px;
}

@media (max-width: 900px) {
  .header-inner {
    align-items: flex-start;
    flex-direction: column;
    padding: 18px 0;
  }

  .site-header {
    position: static;
  }

  .brand-logo {
    height: 44px;
  }

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

  .site-nav a {
    padding: 9px 9px;
  }

  .hero-grid,
  .two-col,
  .contact-band {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .list-grid,
  .metrics,
  .process-line {
    grid-template-columns: 1fr;
  }

  .process-step {
    border-right: 0;
    border-bottom: 1px solid var(--rule);
  }

  .process-step:last-child {
    border-bottom: 0;
  }

  .diagram-row {
    grid-template-columns: 1fr;
  }

  .diagram-term {
    border-right: 0;
    border-bottom: 1px solid var(--rule);
  }

  .footer-inner {
    flex-direction: column;
  }
}

@media (max-width: 560px) {
  .header-inner,
  .section-inner,
  .footer-inner {
    width: min(var(--max), calc(100% - 28px));
  }

  .section,
  .hero {
    padding: 64px 0;
  }

  .single-hero {
    min-height: auto;
  }

  h1,
  .display {
    font-size: clamp(3.15rem, 15vw, 4.9rem);
  }

  .lead {
    font-size: 1.05rem;
  }

  .card,
  .metric,
  .process-step,
  .diagram-term,
  .diagram-copy {
    padding: 22px;
  }

  .mode-table,
  .mode-table tbody,
  .mode-table tr,
  .mode-table th,
  .mode-table td {
    display: block;
    width: 100%;
  }

  .mode-table th {
    padding-bottom: 6px;
  }

  .mode-table td {
    padding-top: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}