:root {
  --bg: #fafafa;
  --surface: #ffffff;
  --text: #1a1a1a;
  --muted: #666666;
  --line: #d9dde3;
  --line-strong: #c5ccd6;
  --accent: #0f62fe;
  --accent-soft: #e8f0ff;
  --success: #16a34a;
  --shadow: 0 10px 30px rgba(15, 24, 40, 0.04);
  --radius: 18px;
  --radius-small: 12px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
}

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

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

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

.shell {
  width: min(1080px, calc(100vw - 2rem));
  margin: 0 auto;
}

.narrow {
  width: min(760px, calc(100vw - 2rem));
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(250, 250, 250, 0.96);
  border-bottom: 1px solid rgba(197, 204, 214, 0.7);
  backdrop-filter: blur(10px);
}

.header-row,
.footer-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 72px;
}

.brand {
  display: inline-flex;
  align-items: center;
}

.header-nav {
  display: flex;
  gap: 1.25rem;
  color: var(--muted);
  font-size: 0.96rem;
}

.header-nav a:hover,
.header-nav a:focus-visible {
  color: var(--text);
}

.hero,
.section {
  padding: 4rem 0;
}

.hero {
  padding-top: 5rem;
}

.hero-grid,
.install-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
  gap: 1.5rem;
}

.eyebrow,
.section-kicker,
.panel-label {
  margin: 0 0 0.85rem;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 10ch;
  font-size: clamp(2.7rem, 6vw, 5.2rem);
  line-height: 0.94;
  letter-spacing: -0.06em;
}

h2 {
  max-width: 15ch;
  font-size: clamp(1.9rem, 4vw, 3rem);
  line-height: 1;
  letter-spacing: -0.05em;
}

h3 {
  font-size: 1.15rem;
  line-height: 1.2;
  letter-spacing: -0.03em;
}

.hero-text,
.section-text,
.section-note,
.panel-note,
.tile p,
.link-card span,
.metric span,
.hero-facts dd,
.footer-row,
.journey-card p {
  color: var(--muted);
}

.hero-text,
.section-text {
  max-width: 62ch;
  margin-top: 1.25rem;
  font-size: 1.05rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 1rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  font-weight: 600;
}

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

.button-secondary {
  background: var(--surface);
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

.hero-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin: 2rem 0 0;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
}

.hero-facts dt {
  margin-bottom: 0.3rem;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.hero-facts dd {
  margin: 0;
  font-size: 0.95rem;
}

.hero-panel,
.journey-card,
.tile,
.metric,
.link-card,
.install-block {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.hero-panel,
.journey-card,
.tile,
.metric,
.link-card {
  padding: 1.5rem;
}

.hero-panel {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.hero-panel pre,
.journey-card pre,
.install-block {
  overflow-x: auto;
  margin-top: 1rem;
  padding: 1rem;
  background: #f3f5f8;
  border: 1px solid #e2e7ef;
  border-radius: var(--radius-small);
  font-size: 0.88rem;
  line-height: 1.5;
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.journey-grid,
.tile-grid,
.metrics-grid,
.links-grid {
  display: grid;
  gap: 1rem;
}

.journey-grid,
.tile-grid,
.links-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.metrics-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.journey-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 1rem;
  color: var(--muted);
  font-size: 0.83rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.status {
  color: var(--success);
  font-weight: 700;
}

.tile h3,
.journey-card h3,
.metric strong {
  margin-bottom: 0.75rem;
}

.metrics-section {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.metric {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 160px;
}

.metric strong {
  font-size: clamp(1.9rem, 4vw, 2.5rem);
  line-height: 1;
  letter-spacing: -0.06em;
}

.install-block {
  margin: 0;
}

.links-panel {
  padding: 0;
}

.link-card {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  min-height: 150px;
}

.link-card strong {
  font-size: 1.05rem;
}

.muted-card {
  background: #f6f7f9;
  border-style: dashed;
}

.site-footer {
  border-top: 1px solid var(--line);
}

.site-footer p {
  font-size: 0.95rem;
}

@media (max-width: 960px) {
  .hero-grid,
  .install-grid,
  .journey-grid,
  .tile-grid,
  .metrics-grid,
  .links-grid {
    grid-template-columns: 1fr;
  }

  .hero-facts {
    grid-template-columns: 1fr;
  }

  .section-head,
  .header-row,
  .footer-row {
    align-items: flex-start;
    flex-direction: column;
  }

  .header-row {
    padding: 1rem 0;
  }
}

@media (max-width: 640px) {
  .hero,
  .section {
    padding: 3rem 0;
  }

  .hero {
    padding-top: 4rem;
  }

  .header-nav {
    flex-wrap: wrap;
    gap: 0.75rem 1rem;
  }

  .hero-actions {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }
}