:root {
  color-scheme: light;
  --bg: var(--brand-background);
  --card: var(--brand-surface);
  --text: var(--brand-foreground);
  --muted: var(--brand-muted);
  --line: var(--brand-border);
  --brand: var(--brand-primary);
  --accent: var(--brand-primary-hover);
  --tint: var(--brand-tint);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: var(--brand-font);
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
a { color: var(--brand); }
img { max-width: 100%; height: auto; display: block; }
.wrap { max-width: 1280px; margin: 0 auto; padding: 0 40px; }
.skip-link {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 10;
  padding: 12px 20px;
  background: var(--card);
  transform: translateY(-200%);
}
.skip-link:focus { transform: translateY(0); }
a:focus-visible, summary:focus-visible { outline: 3px solid var(--brand); outline-offset: 5px; }
nav {
  padding: 24px 0;
  margin: 0;
  gap: 24px;
  border-bottom: 1px solid var(--line);
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -.04em;
}
.logo span { color: var(--brand); }
.logo img { width: 32px; height: 32px; flex: 0 0 auto; }
.nav-links { gap: 24px; }
.nav-links a { color: var(--muted); font-size: 14px; }
.nav-links a:hover, footer a:hover { color: var(--brand); text-decoration: underline; text-underline-offset: 4px; }
.cta-link, .secondary-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  min-height: 48px;
  padding: 12px 20px;
  border: 1px solid var(--brand);
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
}
.cta-link { color: var(--card); background: var(--brand); }
.cta-link:hover { background: var(--accent); border-color: var(--accent); }
.secondary-link { color: var(--text); background: transparent; border-color: var(--line); }
.secondary-link:hover { border-color: var(--brand); color: var(--brand); }
.eyebrow, .section-label {
  color: var(--brand);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.eyebrow { display: flex; align-items: center; gap: 12px; margin-bottom: 24px; }
.eyebrow::before { content: ""; width: 24px; height: 2px; background: var(--brand); }
h1, h2, h3, p { margin: 0; }
h1 {
  font-size: clamp(44px, 5.2vw, 72px);
  line-height: 1.04;
  font-weight: 600;
  letter-spacing: -.055em;
}
h1 span { color: var(--brand); }
h2 { font-size: clamp(28px, 3vw, 40px); line-height: 1.15; letter-spacing: -.04em; font-weight: 600; }
h3 { font-size: 23px; line-height: 1.25; letter-spacing: -.025em; font-weight: 600; }
p { color: var(--muted); line-height: 1.6; }
.hero {
  display: grid;
  grid-template-columns: .95fr 1.05fr;
  align-items: center;
  gap: 24px;
  padding: 64px 0 48px;
}
.hero-copy { max-width: 520px; }
.lead { max-width: 420px; font-size: 18px; margin-top: 24px; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.hero-trust { margin-top: 16px; font-size: 12px; }
.hero-art { min-width: 0; margin: 0; }
.hero-art img { width: 100%; }
figcaption { margin-top: 12px; text-align: center; color: var(--muted); font-size: 12px; }
.connection-strip {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px 24px;
  padding: 24px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.connection-strip p { font-size: 13px; }
.connection-strip ul { display: flex; flex-wrap: wrap; gap: 16px 32px; list-style: none; padding: 0; margin: 0; }
.connection-strip li { font-weight: 600; font-size: 18px; color: var(--accent); }
.section-heading { display: flex; flex-wrap: wrap; align-items: end; justify-content: space-between; gap: 20px; margin-bottom: 28px; }
.section-heading h2 { margin-top: 12px; max-width: 600px; }
.text-link { display: inline-flex; align-items: center; gap: 16px; font-size: 14px; font-weight: 600; text-decoration: none; }
.text-link:hover { text-decoration: underline; text-underline-offset: 4px; }
.memory-section { padding: 72px 0 0; }
.feature-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 24px; }
.feature-card { min-width: 0; overflow: hidden; background: var(--card); border: 1px solid var(--line); border-radius: 12px; }
.feature-card img { width: 100%; }
.feature-copy { padding: 24px 28px 28px; }
.feature-copy h3 { margin: 12px 0; }
.feature-copy p { font-size: 15px; max-width: 440px; }
.feature-copy .text-link { margin-top: 16px; }
.process {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  list-style: none;
  padding: 32px 0;
  margin: 0;
}
.process li { display: flex; gap: 16px; align-items: start; }
.step-number { font-family: Consolas, monospace; color: var(--brand); font-size: 13px; padding-top: 4px; }
.process h3 { font-size: 17px; margin-bottom: 8px; }
.process p { font-size: 13px; }
.connections-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  padding: 36px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.connections-section h2 { font-size: 28px; margin: 12px 0; }
.connections-section p { font-size: 14px; max-width: 450px; margin-bottom: 16px; }
.connections-detail { display: flex; flex-direction: column; justify-content: center; align-items: start; }
.protocols { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
.protocols span { border: 1px solid var(--line); border-radius: 4px; padding: 8px 12px; font-family: Consolas, monospace; font-size: 13px; color: var(--accent); }
.examples-section { padding: 64px 0; }
.example-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.example-card { position: relative; display: block; color: var(--text); text-decoration: none; border-bottom: 1px solid var(--line); padding-bottom: 16px; }
.example-card img { display: block; width: 100%; height: auto; background: var(--tint); border-radius: 8px; margin-bottom: 16px; }
.example-card .section-label { font-size: 10px; letter-spacing: .08em; }
.example-card h3 { font-size: 18px; padding-right: 24px; margin-top: 8px; }
.example-card p { font-size: 13px; margin-top: 4px; }
.examples-note { font-size: 12px; margin-top: 20px; }
.example-arrow { position: absolute; right: 0; bottom: 32px; color: var(--brand); }
.example-card:hover h3 { color: var(--brand); text-decoration: underline; text-underline-offset: 4px; }
.cta-block { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 24px; padding: 36px; background: var(--tint); border: 1px solid var(--line); border-radius: 12px; }
.cta-block h2 { font-size: 32px; }
.cta-block p { margin-top: 12px; font-size: 14px; }
footer { padding: 32px 0; margin-top: 40px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; line-height: 1.7; }
footer a { color: var(--muted); text-decoration: none; }
.footer-links { gap: 12px 24px; margin-bottom: 20px; }

@media (max-width: 1024px) {
  .wrap { padding: 0 28px; }
  nav { gap: 16px; }
  .nav-links { order: 3; width: 100%; }
  .hero { padding-top: 48px; }
  .feature-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 767px) {
  .wrap { padding: 0 20px; }
  nav { padding: 20px 0; }
  .nav-links { gap: 8px 20px; }
  .nav-links a { display: inline-flex; align-items: center; min-height: 36px; }
  .logo { font-size: 18px; }
  .logo img { width: 24px; height: 24px; }
  .hero { grid-template-columns: minmax(0, 1fr); padding: 40px 0 24px; gap: 32px; }
  .hero-copy { max-width: 560px; }
  .lead { font-size: 17px; }
  .hero-art { max-width: 560px; width: 100%; justify-self: center; }
  .connection-strip ul { gap: 12px 24px; }
  .connection-strip li { font-size: 16px; }
  .memory-section { padding-top: 48px; }
  .feature-grid { grid-template-columns: minmax(0, 1fr); }
  .feature-copy { padding: 24px; }
  .process { grid-template-columns: minmax(0, 1fr); gap: 24px; }
  .connections-section { grid-template-columns: minmax(0, 1fr); gap: 16px; padding: 32px 0; }
  .examples-section { padding: 48px 0; }
  .example-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px 16px; }
  .example-card h3 { font-size: 15px; }
  .example-card p { font-size: 12px; }
  .example-arrow { display: none; }
  .cta-block { padding: 24px; }
}
@media (max-width: 480px) {
  .wrap { padding: 0 16px; }
  nav > .cta-link { min-height: 44px; padding: 8px 12px; }
  .nav-links { column-gap: 16px; }
  .nav-links a { font-size: 13px; }
  h1 { font-size: 44px; }
  .example-grid { grid-template-columns: minmax(0, 1fr); gap: 24px; }
  .example-card h3 { font-size: 18px; }
  .example-card p { font-size: 13px; }
  .example-arrow { display: block; }
  .cta-block h2 { font-size: 28px; }
}