/* Conduits — matches myconduits.com: black ground, Playfair Display headings,
   letter-spaced Montserrat wordmark, Source Sans body, teal accent, white
   uppercase buttons, outlined fields. One deliberate dark look.
   Fonts are self-hosted (SIL Open Font License; see /static/fonts/LICENSE-*.txt). */
@font-face { font-family: "Playfair Display"; src: url("/static/fonts/playfair-display-latin-400-normal.woff2") format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Source Sans 3"; src: url("/static/fonts/source-sans-3-latin-400-normal.woff2") format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Source Sans 3"; src: url("/static/fonts/source-sans-3-latin-600-normal.woff2") format("woff2"); font-weight: 600; font-display: swap; }
@font-face { font-family: "Montserrat"; src: url("/static/fonts/montserrat-latin-600-normal.woff2") format("woff2"); font-weight: 600; font-display: swap; }

:root {
  color-scheme: dark;
  --bg: #000000;
  --surface: #111111;
  --surface-2: #181818;
  --line: #2b2b2b;
  --text: #f2f2f2;
  --soft: #e2e2e2;
  --muted: #a6a6a6;
  --heading-2: #c8c8c8;
  --teal: #09757a;
  --teal-bright: #3cc4c9;
  --gold: #d9ae4a;
  --crimson: #e05a4f;
  --blue: #5fb0ee;
  --silver: #c3c7cc;
  --ok: #6fd39a;
  --warn: #f0c35a;
  --bad: #ff8a7a;
  --radius: 4px;
  --serif: "Playfair Display", Georgia, "Times New Roman", serif;
  --sans: "Source Sans 3", "Source Sans Pro", "Helvetica Neue", Arial, sans-serif;
  --wordmark: "Montserrat", "Helvetica Neue", Arial, sans-serif;
}
* { box-sizing: border-box; }
html { background: var(--bg); }
body { margin: 0; font-family: var(--sans); color: var(--text); background: var(--bg); line-height: 1.6; font-size: 1.0625rem; }
.wrap { max-width: 72rem; margin-inline: auto; padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }
a { color: var(--teal-bright); text-underline-offset: 3px; }
a:hover { color: #7fdde0; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, summary:focus-visible { outline: 2px solid var(--teal-bright); outline-offset: 3px; }
.skip { position: absolute; left: -999px; top: 0; background: var(--text); color: var(--bg); padding: .5rem 1rem; z-index: 10; }
.skip:focus { left: 1rem; }

h1, h2, h3 { font-family: var(--serif); font-weight: 400; line-height: 1.2; text-wrap: balance; }
h1 { font-size: clamp(2.1rem, 5vw, 3.2rem); margin: 2rem 0 1rem; color: #fff; }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); margin: 2.25rem 0 .9rem; color: var(--heading-2); }
h2::after { content: ""; display: block; width: 54px; height: 1px; background: var(--muted); margin-top: .7rem; }
.card h2::after, .card h3::after, .hero-copy h2::after { display: none; }
h3 { font-size: 1.3rem; margin: 1rem 0 .4rem; color: #fff; }
p { max-width: 68ch; }
.lede { font-size: 1.2rem; color: var(--soft); }
.note, .tag, .hint, .progress { color: var(--muted); }
.note { font-size: .95rem; }

/* header */
.top { background: var(--bg); border-top: 3px solid var(--teal); border-bottom: 1px solid #1d1d1d; position: relative; z-index: 2; }
.top-row { display: flex; flex-wrap: wrap; align-items: center; gap: .75rem 2rem; padding-block: 1rem; }
.brand { font-family: var(--wordmark); font-weight: 600; letter-spacing: .28em; text-transform: uppercase; font-size: 1.15rem; color: #fff; text-decoration: none; }
.brand:hover { color: #fff; }
.mark { display: none; }
.nav { list-style: none; display: flex; flex-wrap: wrap; gap: .25rem 1.4rem; margin: 0; padding: 0; }
.nav a, .signin { color: var(--soft); text-decoration: none; font-size: .95rem; letter-spacing: .04em; padding: .25rem 0; border-bottom: 1px solid transparent; }
.nav a[aria-current="page"], .nav a:hover, .signin:hover { color: #fff; border-bottom-color: var(--teal-bright); }
.account { margin-left: auto; font-size: .95rem; color: var(--muted); }
button.link { background: none; border: 0; color: var(--soft); text-decoration: underline; cursor: pointer; font: inherit; padding: 0; }
.inline { display: inline; }

.demo-banner { background: #2a2108; color: #f6dc95; border-top: 1px solid #4d3c0e; padding-block: .55rem; font-size: .95rem; }
.flash { background: var(--surface); border: 1px solid var(--line); border-left: 3px solid var(--teal-bright); padding: .7rem 1rem; border-radius: var(--radius); }
.error { border-left-color: var(--bad); }
.assume { display: inline-block; font-size: .75rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--warn); border: 1px solid currentColor; border-radius: 3px; padding: 0 .45rem; }

/* buttons: white, uppercase, letter-spaced, like the SEND button */
.btn { display: inline-block; background: #fff; color: #000; border: 1px solid #fff; border-radius: var(--radius); padding: .85rem 1.6rem; font: 600 .82rem/1.2 var(--sans); letter-spacing: .16em; text-transform: uppercase; text-decoration: none; cursor: pointer; }
.btn:hover { background: var(--soft); color: #000; }
.btn.secondary { background: transparent; color: #fff; border-color: var(--soft); }
.btn.secondary:hover { background: #fff; color: #000; }
.btn[disabled] { background: var(--surface-2); color: var(--muted); border-color: var(--line); cursor: not-allowed; }
.cta-row { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 1.4rem; }

/* home hero with the transit grid */
.hero-map { position: relative; overflow: hidden; background: #050505; border-bottom: 1px solid #1d1d1d; min-height: 30rem; display: grid; place-items: center; }
.transit { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-map::after { content: ""; position: absolute; inset: 0; background: radial-gradient(ellipse 60% 70% at 50% 50%, rgba(0,0,0,.9) 0%, rgba(0,0,0,.68) 55%, rgba(0,0,0,.15) 100%); pointer-events: none; }
.hero-copy { position: relative; z-index: 1; text-align: center; padding-block: 4rem; }
.hero-copy .eyebrow { font-family: var(--wordmark); font-weight: 600; letter-spacing: .32em; text-transform: uppercase; color: #fff; margin: 0 auto; }
.hero-copy h1 { margin: 1rem auto; max-width: 18ch; }
.hero-copy .lede { margin-inline: auto; }
.hero-copy .cta-row { justify-content: center; }
.grid-line { stroke: #1a1a1a; stroke-width: 1; }
.route { fill: none; stroke-width: 6; stroke-linecap: round; stroke-linejoin: round; opacity: .85; }
.route-teal { stroke: var(--teal-bright); } .route-gold { stroke: var(--gold); } .route-silver { stroke: var(--silver); }
.route-crimson { stroke: var(--crimson); } .route-blue { stroke: var(--blue); }
.station { fill: #000; stroke: #fff; stroke-width: 2.5; }
.station.interchange { stroke-width: 3.5; }
.train rect { stroke: #000; stroke-width: 1.5; }
.train-teal rect { fill: var(--teal-bright); } .train-gold rect { fill: var(--gold); } .train-silver rect { fill: #fff; }
.train-crimson rect { fill: var(--crimson); } .train-blue rect { fill: var(--blue); }
.headlight { fill: #fff8d6; }
@media (prefers-reduced-motion: reduce) { .transit-trains { display: none; } }

.home-section { text-align: center; }
.home-section h2::after { margin-inline: auto; }
.home-section > p { margin-inline: auto; }
.home-section ol { display: inline-block; text-align: left; }

/* panels and content */
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 17rem), 1fr)); gap: 1rem; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 6px; padding: 1.2rem 1.3rem; min-width: 0; text-align: left; }
.card h2, .card h3 { margin-top: 0; }
.card .tag { font-size: .85rem; letter-spacing: .08em; text-transform: uppercase; margin: 0 0 .4rem; }
.points { padding-left: 1.2rem; margin: .5rem 0; }
.kv { display: grid; grid-template-columns: max-content 1fr; gap: .3rem 1.2rem; margin: 0; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; }

.tabs { display: flex; flex-wrap: wrap; gap: .5rem 1.2rem; list-style: none; padding: 0; margin: 0 0 1.2rem; border-bottom: 1px solid var(--line); }
.tabs a { display: inline-block; padding: .5rem 0; text-decoration: none; color: var(--muted); border-bottom: 2px solid transparent; letter-spacing: .04em; }
.tabs a[aria-current="page"] { border-bottom-color: var(--teal-bright); color: #fff; }

table { width: 100%; border-collapse: collapse; font-size: .97rem; font-variant-numeric: tabular-nums; }
th, td { text-align: left; padding: .55rem .7rem; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 600; font-size: .85rem; letter-spacing: .06em; text-transform: uppercase; }
td.num, th.num { text-align: right; }
.scroll { overflow-x: auto; }
.pill { display: inline-block; font-size: .8rem; padding: 0 .55rem; border-radius: 999px; border: 1px solid var(--line); color: var(--soft); }
.pill.ok { color: var(--ok); } .pill.warn { color: var(--warn); } .pill.bad { color: var(--bad); } .pill.muted { color: var(--muted); }

/* forms: outlined fields like "Drop us a line!" */
form.stack { display: grid; gap: 1rem; max-width: 38rem; }
label { font-weight: 600; display: block; color: var(--soft); }
.hint { font-weight: 400; font-size: .92rem; display: block; }
input[type=text], input[type=email], input[type=tel], input[type=password], input[type=number], select, textarea {
  width: 100%; padding: .85rem 1rem; border: 1px solid var(--soft); border-radius: var(--radius); font: inherit; background: #000; color: #fff; }
input::placeholder, textarea::placeholder { color: var(--muted); }
textarea { min-height: 8rem; }
fieldset { border: 1px solid var(--line); border-radius: 6px; padding: .9rem 1.1rem; }
legend { font-family: var(--serif); font-size: 1.25rem; padding: 0 .4rem; color: #fff; }
.choice { display: flex; gap: .6rem; align-items: baseline; font-weight: 400; margin: .4rem 0; color: var(--text); }
input[type=radio], input[type=checkbox] { accent-color: var(--teal-bright); }
.hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }

/* Concierge preview and checklist */
.mock { border: 1px solid var(--line); border-radius: 6px; overflow: hidden; background: var(--surface); }
.mock-bar { background: #0b2e30; color: #fff; padding: .6rem .9rem; font-family: var(--wordmark); font-weight: 600; letter-spacing: .06em; display: flex; flex-wrap: wrap; gap: .3rem 1rem; }
.mock-bar span { font-family: var(--sans); font-weight: 400; letter-spacing: 0; color: var(--soft); }
.mock-body { padding: .9rem; }
.checklist { list-style: none; padding: 0; margin: 0; display: grid; gap: .45rem; }
.checklist li { display: grid; grid-template-columns: 6.5rem 1fr 6rem; gap: .6rem; padding: .55rem .75rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.checklist li > span:first-child { color: var(--teal-bright); font-size: .85rem; letter-spacing: .08em; text-transform: uppercase; }
.checklist .who { color: var(--muted); text-align: right; }
@media (max-width: 34rem) { .checklist li { grid-template-columns: 1fr; } .checklist .who { text-align: left; } }
.meter-track { fill: #2b2b2b; } .meter-fill { fill: var(--teal-bright); }

.foot { border-top: 1px solid #1d1d1d; margin-top: 3.5rem; padding-block: 1.6rem; color: var(--muted); font-size: .92rem; text-align: center; }
.foot .wrap { display: grid; gap: .3rem; justify-items: center; }
.foot p { margin: 0; }
.hero-copy .btn.secondary { background: rgba(0, 0, 0, .75); }
.hero-copy .btn.secondary:hover { background: #fff; }
.home-section .cta-row { justify-content: center; }

/* interactive demo sandbox */
.sr { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.activity { list-style: none; padding: 0; margin: .5rem 0; display: grid; gap: .4rem; }
.activity li { padding: .5rem .75rem; border-left: 2px solid var(--teal-bright); background: var(--surface); border-radius: 0 var(--radius) var(--radius) 0; }
.activity .when { color: var(--muted); font-size: .85rem; letter-spacing: .04em; margin-right: .4rem; }
.events { list-style: none; padding: 0; margin: .5rem 0; display: grid; gap: .5rem; }
.events li { display: flex; flex-wrap: wrap; gap: .6rem 1rem; align-items: center; justify-content: space-between; padding: .6rem .8rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.events .btn { padding: .55rem 1rem; }
.check-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 11rem), 1fr)); gap: 0 1rem; }
.lessons { padding-left: 1.4rem; display: grid; gap: .35rem; }
.lessons .is-done { color: var(--muted); }
.lessons .is-next { color: #fff; font-weight: 600; }
.lesson { margin: 1rem 0; }
.end-session { margin-top: 2.5rem; padding-top: 1.2rem; border-top: 1px solid var(--line); }

/* supporting pages: transit rails in the side margins, a strip on narrow screens */
.transit-frame { position: fixed; inset: 0; pointer-events: none; z-index: 0; }
.rail { position: absolute; top: 0; height: 100%; width: max(0px, calc((100vw - 72rem) / 2 - 1.5rem)); opacity: .75; }
.rail-left { left: 0; -webkit-mask-image: linear-gradient(to right, #000 55%, transparent); mask-image: linear-gradient(to right, #000 55%, transparent); }
.rail-right { right: 0; -webkit-mask-image: linear-gradient(to left, #000 55%, transparent); mask-image: linear-gradient(to left, #000 55%, transparent); }
.transit-strip { display: none; width: 100%; height: 56px; border-bottom: 1px solid #1d1d1d; background: #050505; }
main, .foot { position: relative; z-index: 1; }
@media (max-width: 86rem) {
  .transit-frame { display: none; }
  .transit-strip { display: block; }
}