/* Reo marketing site: shared tokens, type, and components.
   Direction: a Reo-blue dusk sky with frosted cards above the fold, then one
   oat-paper column framed by hatched gutters. Cells butt together on shared
   hairlines; Reo blue is used as an outline and an underline, and ink carries
   the dark moments. See design.md. */

@font-face {
  font-family: "Hanken Grotesk";
  src: url("assets/hanken-grotesk.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Geist Mono";
  src: url("assets/geist-mono.woff2") format("woff2");
  font-weight: 400 500;
  font-style: normal;
  font-display: swap;
}

:root {
  --bg: #f2f0eb;
  --bg-2: #f7f5f2;
  --paper: #ffffff;
  --fg: #1c243c;
  --fg-muted: #5f6577;
  --brand: #286cf4;
  --accent: #1f5ad8;
  --accent-hover: #1846ad;
  --mist: #eef3ff;
  --tab-on: #ece9e2;
  --night: #1c243c;
  --night-hover: #27314f;
  --night-deep: #121829;
  --night-ring: #34416b;
  --warm: #f5cc88;
  --sky-top: #2a56c6;
  --sky-mid: #6f92e4;
  --sky-low: #b9c7f0;
  --horizon: #ecdcd6;
  --cloud: #fbe9e0;
  --font: "Hanken Grotesk", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "Geist Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --radius: 12px;
  --radius-sm: 8px;
  --card-radius: 16px;
  --pill: 999px;
  --hatch: 5px;
  --gutter: 32px;
  --glass: 24;
  --max: 1376px;
  --nav-h: 66px;
  --dur: 200ms;
  --sub: color-mix(in srgb, var(--fg-muted) 34%, transparent);
  --glass-bg: color-mix(in srgb, #fff calc(var(--glass) * 1%), transparent);
  --glass-line: color-mix(in srgb, #fff 36%, transparent);
  --hatch-bg: repeating-linear-gradient(45deg, var(--sub) 0 1px, transparent 1px var(--hatch));
  --shadow: 0 0 0 1px color-mix(in srgb, var(--fg) 4%, transparent),
    0 4px 8px -2px color-mix(in srgb, var(--fg) 6%, transparent),
    0 2px 4px 0 color-mix(in srgb, var(--fg) 4%, transparent);
  color-scheme: light;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-padding-top: calc(var(--nav-h) + 16px); }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 460 16px/1.5 var(--font);
  -webkit-font-smoothing: antialiased;
  font-variant-numeric: tabular-nums;
}
img { max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, p, figure, dl, dd { margin: 0; }
button { font: inherit; color: inherit; }
strong, b { font-weight: 600; }
:focus-visible { outline: 3px solid var(--brand); outline-offset: 2px; border-radius: 4px; }
.mono { font-family: var(--mono); font-size: 12.5px; font-weight: 400; }

.skip-link {
  position: absolute;
  left: 16px;
  top: -60px;
  z-index: 100;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  background: var(--paper);
  color: var(--fg);
  font-weight: 600;
}
.skip-link:focus { top: 12px; }

/* ---------- Brand ---------- */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 23px;
  letter-spacing: -0.035em;
  line-height: 1;
}
.brand svg { width: 32px; height: 32px; flex: none; }
.brand .arc { fill: var(--brand); }
.brand .r { fill: currentColor; }

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 40;
  padding-top: env(safe-area-inset-top, 0px);
  background: var(--paper);
  color: var(--fg);
  box-shadow: 0 1px 0 var(--sub);
  transition: background var(--dur) ease, color var(--dur) ease, box-shadow var(--dur) ease;
}
/* main.js adds this class while the page is scrolled to the top of the sky. */
.site-header.on-sky { background: transparent; color: #fff; box-shadow: none; }
.nav-in {
  max-width: calc(var(--max) + 2 * var(--gutter));
  margin: 0 auto;
  min-height: var(--nav-h);
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 0 var(--gutter);
}
.nav-links { display: flex; gap: 2px; margin-left: 12px; }
.nav-links a,
.signin {
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-weight: 540;
  font-size: 15px;
  white-space: nowrap;
  transition: background var(--dur) ease;
}
.nav-links a:hover,
.signin:hover { background: color-mix(in srgb, currentColor 10%, transparent); }
.nav-links a[aria-current="page"] { background: color-mix(in srgb, currentColor 12%, transparent); }
.nav-cta { margin-left: auto; display: flex; gap: 8px; align-items: center; }
.signup {
  display: inline-flex;
  align-items: center;
  height: 40px;
  padding: 0 14px;
  border-radius: var(--radius-sm);
  box-shadow: inset 0 0 0 1px currentColor;
  font-weight: 600;
  font-size: 14px;
  white-space: nowrap;
  color: var(--accent);
  transition: background var(--dur) ease;
}
.on-sky .signup { color: #fff; }
.signup:hover { background: color-mix(in srgb, currentColor 10%, transparent); }

/* ---------- Sky ---------- */
.sky {
  position: relative;
  overflow: hidden;
  color: #fff;
  background: linear-gradient(180deg, var(--sky-top) 0%, #3c69d6 26%, var(--sky-mid) 50%, var(--sky-low) 76%, var(--horizon) 100%);
}
.clouds {
  position: absolute;
  inset: -6% -12%;
  pointer-events: none;
  animation: drift 40s ease-in-out infinite alternate;
  background:
    radial-gradient(38% 12% at 18% 64%, color-mix(in srgb, var(--cloud) 85%, transparent), transparent 70%),
    radial-gradient(30% 10% at 30% 70%, color-mix(in srgb, #fff 55%, transparent), transparent 70%),
    radial-gradient(34% 11% at 78% 58%, color-mix(in srgb, var(--cloud) 80%, transparent), transparent 70%),
    radial-gradient(26% 9% at 88% 66%, color-mix(in srgb, #fff 50%, transparent), transparent 70%),
    radial-gradient(46% 14% at 52% 88%, color-mix(in srgb, var(--cloud) 90%, transparent), transparent 72%),
    radial-gradient(22% 7% at 62% 40%, color-mix(in srgb, #fff 22%, transparent), transparent 70%);
}
@keyframes drift { from { transform: translateX(-3%); } to { transform: translateX(3%); } }
.sky > :not(.clouds) { position: relative; }

/* Inner-page heroes are short, so their sky stays deep behind the text and
   only lightens toward the bottom edge. */
.page-hero {
  padding: calc(var(--nav-h) + 72px) 16px 96px;
  text-align: center;
  background: linear-gradient(180deg, var(--sky-top) 0%, #3863d2 45%, #4f7adf 75%, #7f9de6 100%);
}
.page-hero .clouds { inset: 20% -12% -30%; opacity: 0.7; }
.page-hero .highlight { color: #fff; }
.page-hero .page-status { color: color-mix(in srgb, #fff 82%, transparent); }
.page-hero h1 {
  font-size: clamp(40px, 5.4vw, 60px);
  font-weight: 540;
  line-height: 1;
  letter-spacing: -0.03em;
  max-width: 18ch;
  margin: 0 auto;
  text-wrap: balance;
}
.highlight { color: #e3eaff; }
.page-lead {
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.35;
  color: color-mix(in srgb, #fff 90%, transparent);
  max-width: 40ch;
  margin: 20px auto 0;
  text-wrap: balance;
}
.page-hero .go { margin-top: 30px; }
.page-status {
  margin-top: 18px;
  font-family: var(--mono);
  font-size: 12.5px;
  color: color-mix(in srgb, var(--fg) 80%, transparent);
}

/* ---------- Buttons and links ---------- */
.go {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  height: 52px;
  padding: 0 8px 0 20px;
  border-radius: var(--radius);
  background: var(--night);
  color: #fff;
  font-weight: 600;
  font-size: 16px;
  white-space: nowrap;
  box-shadow: 0 1px 2px color-mix(in srgb, var(--night) 24%, transparent), 0 0 0 1px var(--night-ring),
    inset 0 0 0 1px rgba(255, 255, 255, 0.12);
  transition: background var(--dur) ease;
}
.go .well {
  width: 48px;
  height: 36px;
  border-radius: var(--radius-sm);
  display: grid;
  place-items: center;
  color: #fff;
  background: linear-gradient(135deg, #6aa0ff 0%, var(--brand) 52%, #1a4fc4 100%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.14);
  transition: filter var(--dur) ease;
}
.go .well svg { transition: transform 0.3s ease-in-out; }
.go:hover { background: var(--night-hover); }
.go:hover .well { filter: hue-rotate(-16deg) saturate(1.25) brightness(1.08); }
.go:hover .well svg { transform: translateX(4px); }
.go.light { background: var(--paper); color: var(--night); box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.4); }
.go.light:hover { background: #eef1f8; }

.ghost {
  display: inline-flex;
  align-items: center;
  height: 52px;
  padding: 0 20px;
  border-radius: var(--radius);
  background: var(--glass-bg);
  box-shadow: inset 0 0 0 1px var(--glass-line);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  color: #fff;
  font-weight: 600;
  transition: background var(--dur) ease;
}
.ghost:hover { background: color-mix(in srgb, #fff 30%, transparent); }

.out {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 52px;
  padding: 0 20px;
  border-radius: var(--radius);
  box-shadow: inset 0 0 0 1px var(--accent);
  color: var(--accent);
  font-weight: 600;
  white-space: nowrap;
  transition: background var(--dur) ease, color var(--dur) ease;
}
.out:hover { background: color-mix(in srgb, var(--accent) 8%, transparent); color: var(--accent-hover); }

.link,
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--accent);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 5px;
}
.link:hover,
.text-link:hover { color: var(--accent-hover); }
.link svg { transition: transform 0.3s ease-in-out; }
.link:hover svg { transform: translateX(4px); }
.prose a:not([class]),
.help-articles a:not([class]),
.faq a:not([class]),
.faq-list a:not([class]) {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

svg.i {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex: none;
}

/* ---------- Framed paper column ---------- */
.frame {
  padding: 0 var(--gutter);
  background: var(--hatch-bg), var(--bg);
}
.frame > section,
.frame > .strip,
.frame > div {
  max-width: var(--max);
  margin: 0 auto;
  border-inline: 1px solid var(--sub);
  background: var(--bg);
}
.frame > .alt { background: var(--bg-2); }
.frame > * + * { border-top: 1px solid var(--sub); }
.frame > .strip { height: 36px; background: var(--hatch-bg), var(--bg); }
.pad { padding: 96px clamp(20px, 4.4vw, 64px); }
.sec-h {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.h-lg {
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 460;
  line-height: 1.02;
  letter-spacing: -0.025em;
  max-width: 21ch;
  text-wrap: balance;
}
.sec-lead { color: var(--fg-muted); font-size: 18px; max-width: 52ch; margin-top: 14px; }

/* ---------- Shared pieces ---------- */
.label-row {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 15px;
  padding-bottom: 14px;
  border-bottom: 1px dashed var(--sub);
}
.ico {
  width: 24px;
  height: 24px;
  border-radius: 6px;
  background: var(--brand);
  display: grid;
  place-items: center;
  color: #fff;
  flex: none;
}
.ico svg.i { width: 14px; height: 14px; stroke-width: 2; }
.ico.ink { background: var(--night); }
.ico.sky { background: #5b8def; }
.ico.gold { background: #c99a45; }
.ico.green { background: #4f8a63; }
.num {
  display: inline-grid;
  place-items: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--night);
  color: #fff;
  font: 500 12px/1 var(--mono);
  flex: none;
  vertical-align: middle;
}

.cells {
  display: grid;
  border-top: 1px solid var(--sub);
  border-left: 1px solid var(--sub);
}
.cells > * {
  border-right: 1px solid var(--sub);
  border-bottom: 1px solid var(--sub);
  background: var(--paper);
  padding: 28px 26px;
  min-width: 0;
}
.cells h3 { font-size: 22px; font-weight: 540; letter-spacing: -0.01em; margin-bottom: 8px; }
.cells p { color: var(--fg-muted); }
.k3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.hollow { list-style: none; padding: 0; margin: 28px 0 0; display: grid; gap: 14px; }
.hollow li { display: flex; gap: 12px; align-items: baseline; }
.hollow li::before {
  content: "";
  width: 11px;
  height: 11px;
  border-radius: 50%;
  box-shadow: inset 0 0 0 1.5px var(--fg);
  flex: none;
  transform: translateY(1px);
}

.tabs {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--sub);
  border-left: 1px solid var(--sub);
  background: var(--bg-2);
}
.tabs [role="tab"] {
  min-height: 68px;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 20px;
  font: 540 18px/1.15 var(--font);
  background: transparent;
  border: 0;
  border-right: 1px solid var(--sub);
  border-bottom: 1px solid var(--sub);
  text-align: left;
  cursor: pointer;
  transition: background var(--dur) ease;
}
.tabs [role="tab"]:hover { background: color-mix(in srgb, var(--tab-on) 60%, transparent); }
.tabs [role="tab"][aria-selected="true"] { background: var(--tab-on); }

/* ---------- Questions ---------- */
.faq-list { margin-top: 40px; border-top: 1px solid var(--sub); }
.faq-list details { border-bottom: 1px solid var(--sub); }
.faq-list summary {
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 22px 0;
  font-size: 20px;
  font-weight: 540;
  cursor: pointer;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary svg { color: var(--accent); transition: transform 0.3s ease-in-out; }
.faq-list details[open] summary svg { transform: rotate(180deg); }
.faq-list details p { color: var(--fg-muted); font-size: 17px; max-width: 64ch; padding-bottom: 24px; }

/* ---------- Ink closing band ---------- */
.frame > .band { background: var(--night); color: #fff; }
.band h2 {
  font-size: clamp(40px, 5.4vw, 64px);
  font-weight: 540;
  line-height: 0.98;
  letter-spacing: -0.03em;
  max-width: 14ch;
  text-wrap: balance;
}
.band p.l { font-size: 20px; color: color-mix(in srgb, #fff 78%, transparent); max-width: 40ch; margin-top: 18px; }
.band .go { margin-top: 32px; }
.band .mono { display: block; color: color-mix(in srgb, #fff 70%, transparent); margin-top: 18px; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--night-deep);
  color: #fff;
  padding: 64px var(--gutter) 56px;
}
.footer-in {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.9fr 3fr;
  gap: 32px;
}
.footer-intro p { color: color-mix(in srgb, #fff 70%, transparent); margin-top: 14px; max-width: 28ch; }
.footer-links { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 32px; }
.footer-link-group { display: grid; gap: 8px; align-content: start; }
.footer-link-group h2 { font-size: 14px; font-weight: 700; margin-bottom: 4px; }
.footer-link-group a { color: color-mix(in srgb, #fff 78%, transparent); }
.footer-link-group a:hover { color: #fff; }
.footer-bottom {
  max-width: var(--max);
  margin: 48px auto 0;
  padding-top: 20px;
  border-top: 1px solid color-mix(in srgb, #fff 14%, transparent);
  color: color-mix(in srgb, #fff 60%, transparent);
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  :root { --gutter: 16px; --nav-h: 108px; }
  .pad { padding: 64px 20px; }
  .nav-in { flex-wrap: wrap; gap: 4px 12px; padding-block: 10px; }
  .nav-links { order: 3; width: calc(100% + 24px); margin: 0 -12px; overflow-x: auto; }
  .tabs { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .tabs [role="tab"] { min-height: 56px; font-size: 16px; }
  .k3 { grid-template-columns: 1fr; }
  .footer-in { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .footer-links { grid-template-columns: 1fr 1fr; }
  .tabs { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 420px) {
  .go { white-space: normal; height: auto; min-height: 52px; padding-block: 8px; text-align: left; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
}