:root {
  --ink: #1a1a1a;
  --ink-2: #2a2a2a;
  --ink-3: #3d3d3d;
  --muted: #6a6a68;
  --line: #e4e4df;
  --paper: #ffffff;
  --cream: #f5f5f3;
  --yellow: #f5c518;
  --ok: #2f7a4b;
  --warn: #b6791d;
  --bad: #a4291e;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 24px;
  min-height: 72px;
  padding: 0 max(24px, calc((100vw - var(--max)) / 2));
  background: rgba(255, 255, 255, .94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: saturate(140%) blur(8px);
}

.brand {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  text-decoration: none;
}

.brand-logo {
  display: block;
  width: clamp(152px, 18vw, 212px);
  height: auto;
  max-height: 44px;
  object-fit: contain;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-left: auto;
  font-size: 14px;
}

.site-nav a,
.footer-links a {
  color: var(--ink-3);
  text-decoration: none;
}

.site-nav a:hover,
.footer-links a:hover {
  color: var(--ink);
}

.nav-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 42px;
  padding: 10px 18px;
  border: 1px solid var(--yellow);
  border-radius: 6px;
  background: var(--yellow);
  color: var(--ink);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.2;
  text-decoration: none;
  transition: transform .15s ease, background .15s ease;
}

.nav-cta:hover,
.button:hover {
  background: #ffd02a;
  transform: translateY(-1px);
}

.button.secondary {
  border-color: rgba(255, 255, 255, .55);
  background: transparent;
  color: var(--paper);
}

.hero {
  background: var(--ink);
  color: var(--paper);
}

.section {
  padding: clamp(56px, 7vw, 96px) max(24px, calc((100vw - var(--max)) / 2));
}

.section.alt {
  background: var(--cream);
}

.section.dark {
  background: var(--ink);
  color: var(--paper);
}

.wrap {
  max-width: var(--max);
  margin: 0 auto;
}

.hero-grid,
.split,
.cta-band,
.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(300px, .9fr);
  gap: clamp(32px, 6vw, 72px);
  align-items: center;
}

.eyebrow,
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
  color: var(--yellow);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.section-label {
  color: var(--muted);
}

.section-label::before {
  content: "";
  display: block;
  width: 24px;
  height: 1px;
  background: currentColor;
}

h1,
h2,
h3 {
  margin: 0;
  letter-spacing: -.02em;
  line-height: 1.08;
}

h1 {
  max-width: 820px;
  font-size: clamp(38px, 6vw, 68px);
  font-weight: 600;
}

h2 {
  max-width: 760px;
  font-size: clamp(30px, 4vw, 46px);
  font-weight: 600;
}

h3 {
  font-size: 20px;
}

p {
  margin: 16px 0 0;
  color: var(--ink-3);
}

.hero p,
.dark p {
  color: #d5d5cf;
}

.lead {
  max-width: 760px;
  font-size: clamp(18px, 2.2vw, 22px);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.signal-list {
  display: grid;
  gap: 12px;
  margin: 34px 0 0;
  padding: 0;
  list-style: none;
}

.signal-list li {
  padding: 14px 16px;
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: 6px;
  color: #efefe9;
}

.system-map {
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: 8px;
  background: #202020;
}

.system-step {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(255, 255, 255, .1);
  color: #efefe9;
}

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

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 4px 9px;
  border-radius: 6px;
  background: var(--yellow);
  color: var(--ink);
  font-size: 12px;
  font-weight: 700;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 34px;
}

.card {
  min-height: 100%;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--paper);
}

.card p {
  font-size: 15px;
}

.icon-box {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  margin-bottom: 18px;
  border-radius: 6px;
  background: var(--yellow);
  font-weight: 700;
}

.timeline {
  display: grid;
  gap: 14px;
  margin-top: 34px;
}

.timeline-item {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 18px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--paper);
}

.timeline-number {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 6px;
  background: var(--ink);
  color: var(--yellow);
  font-weight: 700;
}

.cta-band {
  padding: clamp(34px, 5vw, 54px);
  border-radius: 8px;
  background: var(--yellow);
}

.cta-band p {
  color: var(--ink-2);
}

.cta-band .button {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--paper);
}

.site-footer {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  padding: 42px max(24px, calc((100vw - var(--max)) / 2));
  background: var(--ink);
  color: var(--paper);
}

.footer-brand {
  display: grid;
  gap: 14px;
  max-width: 380px;
}

.footer-wordmark {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--paper);
  font-size: 20px;
  font-weight: 700;
  text-decoration: none;
}

.footer-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 7px;
  background: var(--yellow);
  color: var(--ink);
  font-size: 13px;
  font-weight: 800;
}

.site-footer p,
.site-footer a {
  color: #c8c8c2;
}

.footer-links {
  display: flex;
  gap: 18px;
  font-size: 14px;
}

.placeholder {
  min-height: 54vh;
}

.temporary-home {
  min-height: calc(100vh - 72px);
  display: grid;
  align-items: center;
}

.temporary-panel {
  display: grid;
  gap: 12px;
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: 8px;
  background: #202020;
  box-shadow: 0 24px 60px rgba(0, 0, 0, .22);
}

.temporary-panel a {
  display: grid;
  gap: 6px;
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 6px;
  text-decoration: none;
}

.temporary-panel a:hover {
  border-color: var(--yellow);
}

.temporary-panel strong {
  color: var(--paper);
  font-size: 18px;
}

.temporary-panel span {
  color: #d5d5cf;
  font-size: 14px;
}

.panel-kicker {
  color: var(--yellow);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

.blog-toolbar {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 28px;
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.blog-card {
  display: flex;
  flex-direction: column;
  min-height: 260px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
}

.blog-card.featured {
  grid-column: span 2;
  background: var(--ink);
  color: var(--paper);
}

.blog-topic {
  margin-bottom: 18px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
}

.blog-card.featured .blog-topic {
  color: var(--yellow);
}

.blog-card h3 {
  font-size: clamp(20px, 2.2vw, 28px);
}

.blog-card a {
  text-decoration: none;
}

.blog-card p {
  margin-top: auto;
  padding-top: 22px;
}

.blog-card.featured p {
  color: #d5d5cf;
}

@media (max-width: 980px) {
  .site-header {
    flex-wrap: wrap;
    padding-top: 14px;
    padding-bottom: 14px;
  }

  .brand-logo {
    width: 164px;
    max-height: 42px;
  }

  .site-nav {
    order: 3;
    width: 100%;
    flex-wrap: wrap;
    gap: 10px 16px;
    overflow: visible;
  }

  .site-nav a {
    line-height: 1.25;
  }

  .hero-grid,
  .split,
  .cta-band {
    grid-template-columns: 1fr;
  }

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

  .blog-toolbar {
    align-items: start;
    flex-direction: column;
  }

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

  .blog-card.featured {
    grid-column: span 2;
  }

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

@media (max-width: 640px) {
  .nav-cta {
    width: 100%;
  }

  .actions {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

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

  .blog-card,
  .blog-card.featured {
    grid-column: auto;
    min-height: 220px;
  }
}