/* Ferry's marketing page. Colours, fonts and radii come from ferry-web's tokens (tokens.css), per theme.
   This file adds only a marketing type scale, spacing and motion, as variables below. */

@font-face { font-family: "Geist Variable"; src: url("fonts/geist-latin-wght-normal.woff2") format("woff2"); font-weight: 100 900; font-display: swap; }
@font-face { font-family: "Geist Mono Variable"; src: url("fonts/geist-mono-latin-wght-normal.woff2") format("woff2"); font-weight: 100 900; font-display: swap; }
@font-face { font-family: "Host Grotesk Variable"; src: url("fonts/host-grotesk-latin-wght-normal.woff2") format("woff2"); font-weight: 300 800; font-display: swap; }
@font-face { font-family: "Albert Sans Variable"; src: url("fonts/albert-sans-latin-wght-normal.woff2") format("woff2"); font-weight: 100 900; font-display: swap; }
@font-face { font-family: "Bricolage Grotesque Variable"; src: url("fonts/bricolage-grotesque-latin-wght-normal.woff2") format("woff2"); font-weight: 200 800; font-display: swap; }

:root {
  --t-hero: clamp(2.4rem, 1.4rem + 4.6vw, 4.9rem);
  --t-h2: clamp(1.7rem, 1.2rem + 2vw, 2.7rem);
  --t-lede: clamp(1.05rem, 0.98rem + 0.35vw, 1.25rem);
  --t-body: 1rem;
  --t-small: 0.875rem;
  --t-mono: 0.84rem;
  --gutter: clamp(16px, 4vw, 28px);
  --band: clamp(72px, 10vw, 136px);
  --ease: cubic-bezier(0.23, 1, 0.32, 1);
  --ring: 0 0 0 1px var(--ds-color-line);
}

* { box-sizing: border-box; }
html { background: var(--ds-color-canvas); color: var(--ds-color-ink); scroll-behavior: smooth; scroll-padding-top: 76px; }
body {
  margin: 0; background: var(--ds-color-canvas); color: var(--ds-color-ink);
  font-family: var(--ds-font-family-text); font-size: var(--t-body); line-height: 1.6;
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
}
h1, h2, h3 { font-family: var(--ds-font-family-display); font-weight: var(--ds-type-display--font-weight, 650); text-wrap: balance; margin: 0; }
p { margin: 0; text-wrap: pretty; }
code, .mono { font-family: var(--ds-font-family-mono); font-size: 0.92em; }
p code, li code, summary code { background: var(--ds-color-sunken); box-shadow: var(--ring); border-radius: 5px; padding: 0.05em 0.35em; }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--ds-color-focus); outline-offset: 3px; border-radius: 4px; }
[hidden] { display: none !important; }

.wrap { width: 100%; max-width: 1180px; margin: 0 auto; padding-inline: var(--gutter); }
.narrow { max-width: 780px; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--ds-color-accent); color: var(--ds-color-on-accent); padding: 8px 12px; border-radius: var(--ds-radius-control); z-index: 20; }
.skip:focus { left: 8px; }

/* Top bar */
.top { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 10; background: color-mix(in oklch, var(--ds-color-canvas) 86%, transparent); backdrop-filter: saturate(1.4) blur(10px); box-shadow: 0 1px 0 var(--ds-color-line); }
.top-row { display: flex; align-items: center; gap: 20px; min-height: 60px; }
.brand { display: inline-flex; align-items: center; gap: 9px; text-decoration: none; font-family: var(--ds-font-family-display); font-weight: 700; font-size: 1.12rem; letter-spacing: -0.01em; }
.brand-mark { width: 26px; height: 26px; fill: none; stroke: var(--ds-color-accent); stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }
.nav { display: flex; gap: 4px; margin-left: 8px; }
.nav a { text-decoration: none; color: var(--ds-color-ink-muted); font-size: var(--t-small); padding: 6px 10px; border-radius: var(--ds-radius-control); transition: color 160ms var(--ease), background-color 160ms var(--ease); }
.nav a:hover { color: var(--ds-color-ink); background: var(--ds-color-sunken); }
.themes { margin-left: auto; display: inline-flex; padding: 3px; gap: 2px; border-radius: var(--ds-radius-pill); background: var(--ds-color-sunken); box-shadow: var(--ring); }
.themes button { font: inherit; font-size: 0.8rem; border: 0; background: transparent; color: var(--ds-color-ink-muted); padding: 5px 11px; min-height: 30px; border-radius: var(--ds-radius-pill); cursor: pointer; transition: background-color 160ms var(--ease), color 160ms var(--ease); }
.themes button[aria-checked="true"] { background: var(--ds-color-surface); color: var(--ds-color-ink); box-shadow: var(--ring); }
@media (max-width: 860px) { .nav { display: none; } }
@media (max-width: 420px) { .themes button { padding: 5px 8px; } .brand span { display: none; } }

/* Buttons */
.btn { font: inherit; font-weight: 600; font-size: 0.95rem; display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 44px; padding: 0 18px; border-radius: var(--ds-radius-control); border: 0; cursor: pointer; text-decoration: none; transition: transform 140ms var(--ease), background-color 160ms var(--ease), box-shadow 160ms var(--ease), opacity 160ms var(--ease); }
.btn:active { transform: scale(0.97); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; transform: none; }
.btn-primary { background: var(--ds-color-accent); color: var(--ds-color-on-accent); }
.btn-primary:hover { background: color-mix(in oklch, var(--ds-color-accent) 88%, var(--ds-color-ink)); }
.btn-quiet { background: var(--ds-color-surface); color: var(--ds-color-ink); box-shadow: var(--ring); }
.btn-quiet:hover:not(:disabled) { box-shadow: 0 0 0 1px var(--ds-color-line-strong); }
.btn-danger { background: var(--ds-color-danger); color: var(--ds-color-on-danger); }
.chip { font: inherit; font-size: 0.78rem; border: 0; cursor: pointer; padding: 4px 10px; border-radius: var(--ds-radius-pill); background: var(--ds-color-accent-soft); color: var(--ds-color-on-accent-soft); }

/* Hero */
.hero { position: relative; overflow: hidden; padding-block: clamp(48px, 8vw, 104px) clamp(56px, 9vw, 120px); isolation: isolate; }
.contours { position: absolute; inset: 0; width: 100%; height: 100%; z-index: -1; opacity: 0.9; mask-image: linear-gradient(to bottom, var(--ds-color-ink) 55%, transparent); } /* slop-guard: ignore decorative-gradient: an alpha mask that fades the chart out; it paints no colour */
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: clamp(32px, 5vw, 64px); align-items: center; }
@media (max-width: 960px) { .hero-grid { grid-template-columns: 1fr; } }
.kicker { color: var(--ds-color-ink-muted); font-size: var(--t-small); margin-bottom: 18px; display: inline-flex; align-items: center; gap: 10px; }
.kicker::before { content: ""; width: 22px; height: 2px; background: var(--ds-color-accent); border-radius: 2px; }
.hero h1 { font-size: var(--t-hero); line-height: 1.02; letter-spacing: -0.035em; max-width: 13ch; }
.lede { font-size: var(--t-lede); color: var(--ds-color-ink-muted); margin-top: 22px; max-width: 34em; line-height: 1.55; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.live-pill { margin-top: 22px; display: inline-flex; align-items: center; gap: 9px; font-size: var(--t-small); color: var(--ds-color-ink-muted); padding: 6px 12px 6px 10px; border-radius: var(--ds-radius-pill); background: var(--ds-color-surface); box-shadow: var(--ring); }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--ds-color-success); box-shadow: 0 0 0 3px var(--ds-color-success-soft); }

/* Terminal */
.term-card { margin: 0; background: var(--ds-color-surface); border-radius: var(--ds-radius-card); box-shadow: var(--ring), 0 24px 48px -28px color-mix(in oklch, var(--ds-color-scrim) 55%, transparent); overflow: hidden; }
.term-bar { display: flex; align-items: center; gap: 12px; padding: 10px 14px; box-shadow: 0 1px 0 var(--ds-color-line); }
.term-lights { display: inline-flex; gap: 6px; }
.term-lights i { width: 10px; height: 10px; border-radius: 50%; background: var(--ds-color-line); }
.term-title { font-family: var(--ds-font-family-mono); font-size: 0.78rem; color: var(--ds-color-ink-faint); }
.term-replay { margin-left: auto; font: inherit; font-size: 0.78rem; background: none; border: 0; color: var(--ds-color-accent); cursor: pointer; padding: 4px 6px; border-radius: 6px; }
.term { margin: 0; padding: 16px 18px 20px; font-family: var(--ds-font-family-mono); font-size: var(--t-mono); line-height: 1.7; min-height: 21em; white-space: pre-wrap; overflow-wrap: anywhere; color: var(--ds-color-ink); background: var(--ds-color-sunken); }
.term-small { min-height: 15em; border-radius: 0 0 var(--ds-radius-card) var(--ds-radius-card); }
.term .p { color: var(--ds-color-accent); }
.term .m { color: var(--ds-color-ink-muted); }
.term .ok { color: var(--ds-color-success); font-weight: 600; }
.term .bad { color: var(--ds-color-danger); font-weight: 600; }
.term .caret { display: inline-block; width: 0.55em; height: 1.1em; vertical-align: -0.18em; background: var(--ds-color-accent); animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.term-card figcaption, .code-card figcaption { font-size: 0.78rem; color: var(--ds-color-ink-faint); padding: 10px 16px 12px; }

/* Deploy steps rail */
.rail { list-style: none; margin: 0; padding: 14px 16px 12px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; }
.rail li { position: relative; font-size: 0.75rem; color: var(--ds-color-ink-faint); padding-top: 12px; transition: color 200ms var(--ease); }
.rail li::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 5px; border-radius: 3px; background: var(--ds-color-line); }
.rail li::after { content: ""; position: absolute; top: 0; left: 0; height: 5px; width: 100%; border-radius: 3px; background: var(--ds-color-accent); transform: scaleX(0); transform-origin: left; transition: transform 280ms var(--ease); }
.rail li[data-state="active"]::after { transform: scaleX(0.55); animation: work 1.2s var(--ease) infinite alternate; }
.rail li[data-state="done"]::after { transform: scaleX(1); }
.rail li[data-state="live"]::after { transform: scaleX(1); background: var(--ds-color-success); }
.rail li[data-state="failed"]::after { transform: scaleX(1); background: var(--ds-color-danger); }
.rail li[data-state="active"], .rail li[data-state="done"] { color: var(--ds-color-ink); }
.rail li[data-state="live"] { color: var(--ds-color-success); font-weight: 600; }
.rail li[data-state="failed"] { color: var(--ds-color-danger); font-weight: 600; }
@keyframes work { from { transform: scaleX(0.2); } to { transform: scaleX(0.85); } }
.rail-small { background: var(--ds-color-surface); border-radius: var(--ds-radius-card) var(--ds-radius-card) 0 0; box-shadow: 0 1px 0 var(--ds-color-line); }

/* Bands */
.band { padding-block: var(--band); }
.band-sunk { background: var(--ds-color-sunken); box-shadow: 0 -1px 0 var(--ds-color-line), 0 1px 0 var(--ds-color-line); }
.band h2 { font-size: var(--t-h2); line-height: 1.1; letter-spacing: -0.025em; max-width: 20ch; }
.section-head { display: grid; gap: 18px; max-width: 760px; margin-bottom: clamp(32px, 5vw, 52px); }
.section-head p, .split-copy > p { color: var(--ds-color-ink-muted); font-size: 1.05rem; max-width: 38em; }
.split { display: grid; grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr); gap: clamp(32px, 6vw, 80px); align-items: start; }
.split-rev .split-copy { order: 2; }
@media (max-width: 900px) { .split { grid-template-columns: 1fr; } .split-rev .split-copy { order: 0; } }
.split-copy { display: grid; gap: 20px; }
.facts { list-style: none; padding: 0; margin: 6px 0 0; display: grid; gap: 16px; }
.facts li { padding-left: 18px; position: relative; color: var(--ds-color-ink-muted); }
.facts li::before { content: ""; position: absolute; left: 0; top: 0.62em; width: 7px; height: 7px; border-radius: 2px; background: var(--ds-color-accent); }
.facts strong { color: var(--ds-color-ink); font-weight: 600; }

/* Compose file */
.code-card { margin: 0; background: var(--ds-color-surface); border-radius: var(--ds-radius-card); box-shadow: var(--ring); overflow: hidden; }
.code-head { display: flex; align-items: center; justify-content: space-between; padding: 10px 14px; box-shadow: 0 1px 0 var(--ds-color-line); font-size: 0.8rem; color: var(--ds-color-ink-muted); }
.code { margin: 0; padding: 16px 0; font-family: var(--ds-font-family-mono); font-size: var(--t-mono); line-height: 1.75; background: var(--ds-color-sunken); overflow-x: auto; }
.code code { display: block; padding-inline: 18px; min-width: max-content; }
.code .k { color: var(--ds-color-ink); }
.code .s { color: var(--ds-color-accent); }
.code .add { display: inline-block; width: calc(100% + 36px); margin-inline: -18px; padding-inline: 18px; background: var(--ds-color-success-soft); box-shadow: inset 3px 0 0 var(--ds-color-success); transition: background-color 280ms var(--ease), box-shadow 280ms var(--ease); }
.code .strike { text-decoration: line-through; text-decoration-color: var(--ds-color-danger); color: var(--ds-color-ink-faint); transition: color 280ms var(--ease); }
.code .note { font-family: var(--ds-font-family-text); font-size: 0.74rem; color: var(--ds-color-ink-faint); padding: 1px 7px; border-radius: var(--ds-radius-pill); box-shadow: var(--ring); background: var(--ds-color-surface); margin-left: 8px; white-space: nowrap; }
[data-diff="off"] .add { background: transparent; box-shadow: none; }
[data-diff="off"] .strike { text-decoration: none; color: var(--ds-color-ink); }
[data-diff="off"] .note { opacity: 0; }

/* Failure simulation */
.sim { display: grid; gap: 16px; }
.sim-controls { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }
.sim-tag { font-size: 0.75rem; color: var(--ds-color-ink-faint); padding: 3px 9px; border-radius: var(--ds-radius-pill); box-shadow: var(--ring); background: var(--ds-color-surface); }
.fault { display: grid; grid-template-columns: auto 1fr auto; gap: 14px; align-items: center; padding: 16px 18px; border-radius: var(--ds-radius-card); background: var(--ds-color-danger-soft); box-shadow: inset 0 0 0 1px color-mix(in oklch, var(--ds-color-danger) 45%, transparent); animation: rise 280ms var(--ease); }
.fault svg { width: 24px; height: 24px; fill: none; stroke: var(--ds-color-danger); stroke-width: 1.8; stroke-linejoin: round; stroke-linecap: round; }
.fault-what { font-weight: 650; }
.fault-safe { color: var(--ds-color-ink-muted); }
.fault-act { font-size: var(--t-small); font-weight: 600; color: var(--ds-color-danger); }
@media (max-width: 560px) { .fault { grid-template-columns: auto 1fr; } .fault-act { grid-column: 2; } }
@keyframes rise { from { opacity: 0; transform: translateY(6px); } }
.sim-grid { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 16px; }
@media (max-width: 860px) { .sim-grid { grid-template-columns: 1fr; } }
.sim-term { border-radius: var(--ds-radius-card); box-shadow: var(--ring); overflow: hidden; }
.visitor { background: var(--ds-color-surface); border-radius: var(--ds-radius-card); box-shadow: var(--ring); overflow: hidden; display: grid; grid-template-rows: auto 1fr; }
.visitor-bar { display: flex; align-items: center; gap: 8px; padding: 10px 14px; background: var(--ds-color-sunken); box-shadow: 0 1px 0 var(--ds-color-line); font-size: 0.78rem; color: var(--ds-color-ink-muted); }
.lock { width: 9px; height: 9px; border: 2px solid var(--ds-color-success); border-radius: 2px; }
.visitor-body { padding: 22px; display: grid; align-content: center; gap: 6px; }
.visitor-deploy { font-family: var(--ds-font-family-display); font-size: 2.2rem; font-weight: 700; letter-spacing: -0.03em; transition: color 280ms var(--ease); }
.visitor-deploy[data-new] { color: var(--ds-color-success); }
.visitor-note { color: var(--ds-color-ink-muted); font-size: var(--t-small); }
.visitor-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin: 16px 0 0; }
.visitor-stats div { padding: 10px 12px; border-radius: var(--ds-radius-control); background: var(--ds-color-sunken); }
.visitor-stats dt { font-size: 0.75rem; color: var(--ds-color-ink-faint); }
.visitor-stats dd { margin: 2px 0 0; font-size: 1.15rem; font-variant-numeric: tabular-nums; }

/* Backups */
.quote { margin: 0; padding: 4px 0 4px 18px; box-shadow: inset 3px 0 0 var(--ds-color-accent); }
.quote p { font-family: var(--ds-font-family-display); font-size: 1.25rem; line-height: 1.35; letter-spacing: -0.01em; }
.quote footer { margin-top: 6px; font-size: 0.8rem; color: var(--ds-color-ink-faint); }
.nights { display: grid; gap: 14px; }
.night-strip { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(7, 1fr); gap: 8px; }
.night-strip li { display: grid; gap: 6px; justify-items: center; padding: 12px 4px 10px; border-radius: var(--ds-radius-control); background: var(--ds-color-surface); box-shadow: var(--ring); font-size: 0.72rem; color: var(--ds-color-ink-faint); transition: box-shadow 280ms var(--ease), color 280ms var(--ease); }
.night-strip .moon { width: 18px; height: 18px; border-radius: 50%; background: var(--ds-color-line); transition: background-color 280ms var(--ease), box-shadow 280ms var(--ease); }
.night-strip li[data-state="kept"] { color: var(--ds-color-ink-muted); }
.night-strip li[data-state="kept"] .moon { background: var(--ds-color-accent); }
.night-strip li[data-state="drilled"] { box-shadow: 0 0 0 2px var(--ds-color-success); color: var(--ds-color-ink); }
.night-strip li[data-state="drilled"] .moon { background: var(--ds-color-success); box-shadow: 0 0 0 4px var(--ds-color-success-soft); }
@media (max-width: 480px) { .night-strip { gap: 4px; } .night-strip li { font-size: 0.64rem; } }
.drill { display: flex; align-items: center; gap: 10px; }
.nights .term-small { border-radius: var(--ds-radius-card); box-shadow: var(--ring); min-height: 10em; }

/* Footprint bars */
.bars { display: grid; gap: 14px; max-width: 900px; }
.bar-row { display: grid; grid-template-columns: minmax(150px, 220px) 1fr 70px; gap: 16px; align-items: center; }
@media (max-width: 620px) { .bar-row { grid-template-columns: 1fr 64px; } .bar { grid-column: 1 / -1; grid-row: 2; } }
.bar-label { font-weight: 600; }
.bar-label small { display: block; font-weight: 400; font-size: 0.78rem; color: var(--ds-color-ink-faint); }
.bar { height: 14px; border-radius: 7px; background: var(--ds-color-surface); box-shadow: var(--ring); overflow: hidden; }
.bar i { display: block; height: 100%; width: var(--w, 0%); background: var(--ds-color-chart-2); border-radius: 7px; transition: width 900ms var(--ease); }
.bar-ferry .bar i { background: var(--ds-color-chart-1); min-width: 6px; }
.bar-value { text-align: right; font-variant-numeric: tabular-nums; }
.source { margin-top: 24px; font-size: 0.8rem; color: var(--ds-color-ink-faint); max-width: 62em; }

/* Live panel */
.live-card { background: var(--ds-color-surface); border-radius: var(--ds-radius-card); box-shadow: var(--ring); padding: 8px 20px 18px; }
.live-card dl { margin: 0; display: grid; }
.live-card dl div { display: flex; justify-content: space-between; gap: 16px; padding: 12px 0; box-shadow: 0 1px 0 var(--ds-color-line); }
.live-card dt { color: var(--ds-color-ink-muted); font-size: var(--t-small); }
.live-card dd { margin: 0; text-align: right; font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
.live-card dd[data-state="live"] { color: var(--ds-color-success); font-weight: 600; }
.live-card dd[data-state="down"] { color: var(--ds-color-danger); font-weight: 600; }
.spark { width: 100%; height: 48px; margin-top: 14px; display: block; }
.spark polyline { fill: none; stroke: var(--ds-color-chart-1); stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; vector-effect: non-scaling-stroke; }
.live-foot { font-size: 0.75rem; color: var(--ds-color-ink-faint); margin-top: 6px; }

/* Answers */
#answers h2 { margin-bottom: 24px; }
details { border-radius: var(--ds-radius-control); background: var(--ds-color-surface); box-shadow: var(--ring); margin-bottom: 10px; }
summary { cursor: pointer; list-style: none; padding: 16px 48px 16px 18px; font-weight: 600; position: relative; }
summary::-webkit-details-marker { display: none; }
summary::after { content: ""; position: absolute; right: 20px; top: 50%; width: 9px; height: 9px; border-right: 2px solid var(--ds-color-ink-muted); border-bottom: 2px solid var(--ds-color-ink-muted); transform: translateY(-70%) rotate(45deg); transition: transform 200ms var(--ease); }
details[open] summary::after { transform: translateY(-30%) rotate(-135deg); }
details p { padding: 0 18px 18px; color: var(--ds-color-ink-muted); }

/* Footer */
.foot { padding-block: 44px calc(44px + env(safe-area-inset-bottom, 0px)); box-shadow: 0 -1px 0 var(--ds-color-line); }
.foot-row { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; }
.foot p { font-family: var(--ds-font-family-display); font-size: 1.15rem; font-weight: 600; }

/* Scroll reveal: content is visible without script; with it, sections settle in once. */
.js [data-reveal] { opacity: 0; transform: translateY(14px); transition: opacity 600ms var(--ease), transform 600ms var(--ease); }
.js [data-reveal][data-shown] { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 1ms !important; animation-iteration-count: 1 !important; transition-duration: 1ms !important; }
  .js [data-reveal] { opacity: 1; transform: none; }
}