@import url('/shared/site-theme.css');
.topbar, main, footer { width: min(100%, 1100px); margin-inline: auto; padding-inline: clamp(16px, 4vw, 40px); }
.topbar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; padding-block: max(18px, env(safe-area-inset-top)) 18px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--text); font-size: 14px; font-weight: 750; letter-spacing: 0.12em; text-decoration: none; min-height: 44px; }
.brand img { flex: none; }
.header-actions, .hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }
main { padding-bottom: 64px; }
.hero { padding-block: clamp(32px, 6vw, 72px) 32px; }
.eyebrow { color: var(--link); font-size: 12px; letter-spacing: 0.14em; font-weight: 750; margin: 0 0 12px; }
h1, h2, h3 { line-height: 1.2; letter-spacing: -0.035em; text-wrap: balance; overflow-wrap: anywhere; }
h1 { font-size: clamp(2.2rem, 5.5vw, 4rem); max-width: 18ch; margin: 0 0 24px; font-weight: 700; }
h1 span { color: var(--link); }
h2 { font-size: clamp(1.65rem, 3.4vw, 2.3rem); max-width: 28ch; margin: 0 0 24px; }
h3 { font-size: 1.08rem; margin: 0 0 10px; letter-spacing: -0.015em; }
p { margin: 0 0 16px; max-width: 74ch; }
.lead { font-size: clamp(1.08rem, 2vw, 1.25rem); max-width: 58ch; color: var(--text-dim); }
.hero-actions { margin-block: 24px 16px; }
.sub { color: var(--text-dim); font-size: 0.9rem; }
.toc { display: flex; flex-wrap: wrap; gap: 8px; padding-block: 16px; border-block: 1px solid var(--stroke-strong); }
.toc a { display: inline-flex; align-items: center; min-height: 44px; padding: 8px 14px; border: 1px solid var(--stroke); border-radius: 999px; background: var(--panel-soft); color: var(--text); text-decoration: none; }
.toc a:hover { border-color: var(--link); }
main > section:not(.hero) { margin-top: clamp(48px, 7vw, 80px); }
.cards { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.cards li, .panel, .flow-row { border: 1px solid var(--stroke); background: var(--panel); border-radius: var(--radius-lg); }
.cards li { padding: 24px; min-width: 0; }
.cards p, .panel p { color: var(--text-dim); }
.cards li > :last-child, .panel > :last-child { margin-bottom: 0; }
.feature-icon { width: 44px; height: 44px; display: grid; place-items: center; background: rgba(var(--blue-rgb), 0.16); color: var(--link); border-radius: var(--radius-sm); margin-bottom: 20px; }
.feature-icon svg { width: 26px; height: 26px; stroke: currentColor; stroke-width: 1.7; fill: none; stroke-linecap: round; stroke-linejoin: round; }
.steps { list-style: none; counter-reset: steps; margin: 0 0 24px; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.steps li { counter-increment: steps; min-width: 0; }
.steps li::before { content: '0' counter(steps); display: block; color: var(--link); font-size: 1.5rem; font-weight: 700; margin-bottom: 16px; }
.steps p, .flow p, .feature-list, dd { color: var(--text-dim); }
.callout { border: 1px solid var(--stroke-strong); border-radius: var(--radius-md); padding: 20px 24px; background: var(--bg-elev); }
.section-subtitle { margin-top: 32px; font-size: 1.2rem; }
.journey { margin: 20px 0; padding: 16px; border: 1px solid var(--stroke-strong); border-radius: var(--radius-lg); background: radial-gradient(ellipse at 50% 40%, var(--accent-soft), transparent 70%), var(--panel); }
.journey-map { position: relative; height: clamp(300px, 38vw, 430px); isolation: isolate; }
.journey-art, .journey-canvas { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.journey-art { color: var(--text-dim); }
.journey-canvas canvas { display: block; width: 100%; height: 100%; }
.journey[data-renderer='webgl'] .journey-fallback { visibility: hidden; }
.journey-signal { stroke: var(--text-dim); }
.journey-direct { stroke: var(--link); stroke-width: 5; }
.journey-relay { stroke: var(--orange); }
.journey-label { position: absolute; transform: translate(-50%, -50%); text-align: center; font-size: 0.9rem; line-height: 1.4; width: max-content; max-width: 45%; }
.journey-label b { display: block; }
.journey-label small { display: block; font-size: 0.8rem; color: var(--text-dim); }
.journey-intro { left: 50%; top: 7%; }
.journey-you { left: 16%; top: 66%; }
.journey-them { left: 84%; top: 66%; }
.journey-preferred { left: 50%; top: 43%; color: var(--link); padding: 6px 10px; border-radius: var(--radius-sm); background: var(--panel-solid); }
.journey-backup { left: 50%; top: 94%; }
.journey-backup b { color: var(--text); }
.journey figcaption { margin-top: 22px; color: var(--text-dim); font-size: 0.9rem; max-width: 74ch; }
.journey-motion { margin-top: 12px; }
.flow { display: grid; gap: 12px; margin-top: 20px; }
.flow-row { display: grid; grid-template-columns: 40px minmax(0, 1fr); gap: 16px; padding: 20px 24px; }
.step-label { color: var(--link); font-weight: 700; }
.flow p { margin-bottom: 0; }
.split { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin-bottom: 20px; }
.panel { padding: 24px; min-width: 0; }
.feature-list { padding-left: 22px; max-width: 78ch; }
.feature-list li { padding-left: 6px; margin-bottom: 16px; }
.feature-list strong, dt { color: var(--text); }
code { overflow-wrap: anywhere; font-size: 0.95em; }
.transfer-features { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 24px; }
.transfer-features > div { border-top: 1px solid var(--stroke-strong); padding-block: 16px; min-width: 0; }
dt { font-weight: 700; margin-bottom: 8px; }
dd { margin: 0; }
details { margin-block: 12px; padding: 4px 20px; background: var(--panel); border: 1px solid var(--stroke); border-radius: var(--radius-md); }
summary { cursor: pointer; padding: 16px 4px; min-height: 44px; }
summary h3 { display: inline; line-height: 1.5; font-size: 1rem; letter-spacing: -0.01em; }
details[open] summary { margin-bottom: 8px; }
details p { color: var(--text-dim); }
.closing { background: var(--bg-elev); }
.closing h2 { margin-bottom: 12px; }
footer { border-top: 1px solid var(--stroke-strong); padding-block: 24px max(24px, env(safe-area-inset-bottom)); }
footer nav { display: flex; flex-wrap: wrap; gap: 4px 20px; margin-block: 12px; }
footer nav a { display: inline-flex; align-items: center; min-height: 44px; }
footer p { color: var(--text-dim); font-size: 0.9rem; }
@media (max-width: 850px) { .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 600px) {
  .journey { padding: 12px; }
  .journey-label { font-size: 0.78rem; }
  .journey-label small { font-size: 0.75rem; }
  .journey-preferred { max-width: 57%; }
  .journey-symbol { transform-box: fill-box; transform-origin: center; transform: scaleX(2); }
  .topbar { gap: 8px; }
  .header-actions { gap: 8px; }
  .header-actions .button, .header-actions .chip { padding: 10px 12px; font-size: 0.85rem; }
  .cards, .steps, .split, .transfer-features { grid-template-columns: minmax(0, 1fr); }
  .cards li, .panel { padding: 20px; }
  .steps { gap: 16px; }
  .steps li::before { margin-bottom: 8px; }
  .flow-row { padding: 20px; grid-template-columns: 28px minmax(0, 1fr); gap: 12px; }
  .callout { padding: 20px; }
  .hero-actions > a { flex: 1 1 100%; }
}
@media (max-width: 360px) {
  .topbar { align-items: flex-start; }
  .header-actions { width: 100%; }
  .header-actions > * { flex: 1; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { scroll-behavior: auto !important; animation: none !important; transition: none !important; } }
@media (forced-colors: active) {
  .journey-canvas { display: none; }
  .journey[data-renderer='webgl'] .journey-fallback { visibility: visible; }
  .journey, .journey-preferred { border: 1px solid CanvasText; }
  .journey-art, .journey-signal, .journey-direct, .journey-relay { stroke: CanvasText; }
  body::before, .aurora { display: none; }
  .button, .chip, .toc a, .cards li, .panel, .flow-row, details, .callout { border: 1px solid ButtonText; }
}