* { box-sizing: border-box; }
html, body { margin: 0; background: var(--ground); color: var(--ink); }
body { font: 400 16px/1.4 var(--font-body); }
a { color: inherit; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible { outline: 3px solid var(--ok); outline-offset: 2px; }
h1, h2, p { margin: 0; }
h1, h2 { font-family: var(--font-display); font-weight: 700; text-transform: uppercase; }
h1 { font-size: 96px; line-height: .88; }
h2 { font-size: 56px; line-height: .95; }
h2.small { font-size: 44px; }

.wrap { max-width: 1200px; margin: 0 auto; padding: 0 var(--space-10); }
.stack { display: flex; flex-direction: column; gap: var(--space-6); }
.stack-tight { display: flex; flex-direction: column; gap: var(--space-2); }
.section { padding-top: 96px; padding-bottom: 96px; }
.page-head { padding-top: 64px; padding-bottom: 64px; }
.page { padding-top: 64px; padding-bottom: 96px; }
.pad-bottom { padding-bottom: 96px; }
.plain { list-style: none; margin: 0; padding: 0; }
.band-surface { background: var(--surface); }
.lead { font-size: 20px; line-height: 1.45; max-width: 680px; }
.body-lg { font-size: 18px; }
.label { font: 600 14px/1.2 var(--font-display); letter-spacing: .12em; text-transform: uppercase; color: var(--ink-muted); }
.label.ink { color: var(--ink); }
.caption { font-size: 14px; line-height: 1.35; color: var(--ink-muted); }
.ruled { border-top: var(--rule-width) solid var(--rule); }

.site-header { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--space-4); padding-top: var(--space-4); padding-bottom: var(--space-4); }
.wordmark { display: flex; align-items: center; gap: 10px; min-height: var(--target-min); text-decoration: none; font: 700 28px/1 var(--font-display); letter-spacing: .04em; }
.dot { width: 10px; height: 10px; background: var(--ok); border-radius: var(--radius-1); display: inline-block; }
.nav { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-2); }
.nav a:not(.btn) { display: inline-flex; align-items: center; min-height: var(--target-min); padding: 0 12px; text-decoration: none; font: 700 16px/1 var(--font-display); letter-spacing: .12em; }
.nav a[aria-current="page"]:not(.btn) { box-shadow: inset 0 -2px 0 var(--ink); }

.btn { display: inline-flex; align-items: center; justify-content: center; min-height: var(--target-min); padding: 0 var(--space-6); border: 0; border-radius: var(--radius-0);
  font: 700 18px/1 var(--font-display); letter-spacing: .12em; text-transform: uppercase; text-decoration: none; cursor: pointer; }
.btn-primary { background: var(--action); color: var(--ink-inverse); }
.btn-secondary { border: var(--rule-width) solid var(--rule); color: var(--ink); background: transparent; }
.btn-alarm { background: var(--alarm); color: var(--ink-inverse); }
.btn-wide { min-height: var(--target-primary); font-size: 22px; width: 100%; }
.actions { display: flex; flex-wrap: wrap; gap: var(--space-2); }

.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-10); }
.grid-2.tight { gap: var(--space-2); }
.grid-2.fields { gap: var(--space-4); }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-2); }
.center { align-items: center; }
.start { align-items: start; }

.tile { background: var(--surface); padding: 20px; display: flex; flex-direction: column; gap: var(--space-3); }
.tile.outlined { background: var(--ground); border: var(--rule-width) solid var(--rule); }
.tile p { font-size: 16px; }
.icon { width: 28px; height: 28px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: square; stroke-linejoin: miter; }
.reading { font: 600 52px/.95 var(--font-display); font-variant-numeric: tabular-nums; }

.hero { display: flex; gap: 64px; align-items: center; padding-top: 64px; padding-bottom: 96px; }
.hero-copy { flex: 1 1 0; min-width: 0; }
.hero h1 { font-size: 104px; }

.device { flex: 0 0 360px; border: var(--rule-width) solid var(--rule); background: var(--ground); padding: var(--space-4); display: flex; flex-direction: column; gap: var(--space-4); }
.device-top { display: flex; justify-content: space-between; align-items: center; }
.device-top .boat { font: 700 28px/1 var(--font-display); letter-spacing: .04em; }
.device-top .label { display: flex; align-items: center; gap: var(--space-2); }
.status-band { background: var(--action); color: var(--ink-inverse); padding: 14px var(--space-4); display: flex; justify-content: space-between; align-items: center; gap: var(--space-4); }
.status-band .status { font: 700 30px/1 var(--font-display); letter-spacing: .06em; }
.status-band .summary { font-size: 14px; text-align: right; }
.readings { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-2); }
.reading-tile { background: var(--surface); padding: var(--space-3); display: flex; flex-direction: column; gap: var(--space-1); }
.reading-tile .value { font: 600 40px/1 var(--font-display); font-variant-numeric: tabular-nums; }
.reading-tile .unit { font-size: 22px; color: var(--ink-muted); }
.reading-tile.caution { background: var(--ground); border: var(--rule-width) solid var(--caution); padding: 10px; }
.reading-tile.caution .label { color: var(--caution); }
.first-mate { border-top: var(--rule-width) solid var(--ink); padding-top: var(--space-3); display: flex; flex-direction: column; gap: 6px; }

.alarm-card { background: var(--ground); max-width: 390px; width: 100%; justify-self: center; }
.alarm-header { background: var(--alarm); color: var(--ink-inverse); padding: 18px var(--space-4) var(--space-4); display: flex; flex-direction: column; gap: 6px; }
.alarm-header .meta { display: flex; justify-content: space-between; font: 700 15px/1 var(--font-display); letter-spacing: .16em; }
.alarm-header .title { display: flex; align-items: center; gap: var(--space-3); font: 700 44px/.95 var(--font-display); }
.alarm-body { padding: var(--space-4); display: flex; flex-direction: column; gap: var(--space-4); }
.reading-xl { font: 600 120px/.85 var(--font-display); font-variant-numeric: tabular-nums; }
.callout { background: var(--ground); border: var(--rule-width) solid var(--caution); padding: var(--space-4); display: flex; flex-direction: column; gap: var(--space-1); font-size: 17px; }
.callout .label { color: var(--caution); }

.cta { background: var(--action); color: var(--ink-inverse); }
.cta .wrap { padding-top: 64px; padding-bottom: 64px; display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: var(--space-6); }
.cta .btn { background: var(--ink-inverse); color: var(--action); }

.flow { display: grid; grid-template-columns: minmax(0, 1fr) 56px minmax(0, 1fr) 56px minmax(0, 1fr); }
.flow .tile { background: var(--ground); }
.flow-arrow { display: flex; align-items: center; justify-content: center; color: var(--ink-muted); }
.layers { border-bottom: var(--rule-width) solid var(--rule); }
.layers li { display: grid; grid-template-columns: 64px minmax(0, 1fr); gap: var(--space-4); border-top: var(--rule-width) solid var(--rule); padding: 20px 0; }
.layers .reading { font-size: 40px; }
.layers p + p { margin-top: var(--space-1); }
.prose { display: flex; flex-direction: column; gap: var(--space-4); font-size: 17px; }

.plan { background: var(--surface); padding: var(--space-6); display: flex; flex-direction: column; gap: 20px; }
.plan.featured { background: var(--ground); border: var(--rule-width) solid var(--ink); }
.plan .btn { margin-top: auto; }
.price { font: 600 72px/.9 var(--font-display); font-variant-numeric: tabular-nums; }
.price + .caption { margin-top: 6px; }
.checks { display: flex; flex-direction: column; gap: 10px; }
.checks li { display: flex; gap: 10px; align-items: flex-start; }
.check { flex: 0 0 20px; width: 20px; height: 20px; fill: none; stroke: var(--ok); stroke-width: 2.4; stroke-linecap: square; stroke-linejoin: miter; margin-top: 1px; }
.checks.ruled-list { gap: 0; border-bottom: var(--rule-width) solid var(--rule); }
.checks.ruled-list li { border-top: var(--rule-width) solid var(--rule); padding: var(--space-4) 0; font-size: 17px; gap: var(--space-3); }
.table-scroll { overflow-x: auto; }
table { width: 100%; min-width: 720px; border-collapse: collapse; }
th, td { text-align: left; padding: 14px 12px; border-bottom: var(--rule-width) solid var(--rule); vertical-align: top; }
th { font: 600 14px/1.2 var(--font-display); letter-spacing: .12em; text-transform: uppercase; color: var(--ink-muted); }
th[scope="row"] { font: 700 18px/1.2 var(--font-display); letter-spacing: .06em; color: var(--ink); }
.faq { max-width: 880px; }
.faq dl { margin: 0; border-bottom: var(--rule-width) solid var(--rule); }
.faq dt { border-top: var(--rule-width) solid var(--rule); padding-top: 20px; font: 600 18px/1.2 var(--font-display); letter-spacing: .12em; text-transform: uppercase; }
.faq dd { margin: 6px 0 0; padding-bottom: 20px; font-size: 17px; }

.beta { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 64px; align-items: start; }
.form { background: var(--surface); padding: 32px; display: flex; flex-direction: column; gap: 20px; }
[hidden] { display: none !important; }
.field { display: flex; flex-direction: column; gap: 6px; }
.hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.field textarea { width: 100%; background: var(--surface); color: var(--ink); border: var(--rule-width) solid var(--rule); border-radius: var(--radius-0); padding: 12px 14px; font: 400 17px var(--font-body); resize: vertical; }
.field input, .field select { min-height: var(--target-min); width: 100%; background: var(--surface); color: var(--ink); border: var(--rule-width) solid var(--rule); border-radius: var(--radius-0); padding: 0 14px; font: 400 17px var(--font-body); }
.consent { display: flex; gap: var(--space-3); align-items: flex-start; min-height: var(--target-min); }
.consent input { width: 24px; height: 24px; margin: 2px 0 0; flex: 0 0 24px; accent-color: var(--action); }

.site-footer { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-start; gap: var(--space-6); padding-top: var(--space-10); padding-bottom: var(--space-10); }
.site-footer .wordmark { font-size: 22px; min-height: 0; }
.site-footer .about { display: flex; flex-direction: column; gap: var(--space-2); max-width: 420px; }

.ill { display: block; width: 100%; height: auto; }
.ill * { vector-effect: non-scaling-stroke; stroke-width: 2; stroke-linecap: square; stroke-linejoin: miter; }
.ill .ln { fill: none; stroke: var(--ink); }
.ill .hull { fill: var(--surface); stroke: var(--ink); }
.ill .raised { fill: var(--surface-raised); stroke: var(--ink); }
.ill .glass { fill: var(--ground); stroke: var(--ink); }
.ill .mute { fill: none; stroke: var(--ink-muted); }
.ill .furl { fill: none; stroke: var(--ink-muted); stroke-width: 6; stroke-linecap: butt; }
.ill .water { fill: none; stroke: var(--rule); }
.ill .fence { fill: none; stroke: var(--ink-muted); stroke-dasharray: 8 8; }
.ill .ink { fill: var(--ink); }
.ill .dim { fill: var(--ink-muted); }
.ill .hub { fill: var(--ok); animation: hub-light 3s ease-in-out infinite; }
@keyframes hub-light { 50% { opacity: .35; } }
@media (prefers-reduced-motion: reduce) { .ill .hub { animation: none; } }
.scene-caption { display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--space-4); padding-top: var(--space-3); }
.scene-caption .label { display: flex; align-items: center; gap: var(--space-2); }
.boat-tile { padding: var(--space-6); gap: var(--space-4); }
.step-art { background: var(--ground); border: var(--rule-width) solid var(--surface); padding: var(--space-4); }

@media (max-width: 860px) {
  .wrap { padding: 0 var(--space-4); }
  .grid-2, .grid-3, .beta, .flow { grid-template-columns: minmax(0, 1fr); }
  .hero { flex-direction: column; align-items: stretch; }
  .device { flex-basis: auto; }
  h1, .hero h1 { font-size: 64px; }
  h2 { font-size: 44px; }
  .flow-arrow { transform: rotate(90deg); height: 48px; }
  .nav a:not(.btn) { padding: 0 8px; }
  .form { padding: var(--space-4); }
}

.guide > * { max-width: 760px; }