/* ==========================================================================
   Tabber — site styles
   Palette and type ramp are lifted from the app's Theme.swift so the site and
   the app read as one thing. The app is dark-only (.preferredColorScheme(.dark)
   is forced in TabberApp), so the site is too.
   ========================================================================== */

/* ---------- Fonts (Geist / Geist Mono, OFL — see fonts/OFL.txt) ---------- */

@font-face {
  font-family: 'Geist';
  src: url('../fonts/Geist-Regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Geist';
  src: url('../fonts/Geist-Medium.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Geist';
  src: url('../fonts/Geist-SemiBold.woff2') format('woff2');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Geist Mono';
  src: url('../fonts/GeistMono-Regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Geist Mono';
  src: url('../fonts/GeistMono-Medium.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Geist Mono';
  src: url('../fonts/GeistMono-SemiBold.woff2') format('woff2');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

/* ---------- Tokens ---------- */

:root {
  /* Theme.swift */
  --bg: #0C0C0D;
  --card: #151412;
  --accent: #3FBF7F;
  --ink-on-accent: #07120C;

  --text-bright: #F4F1EB;
  --text: #EDEAE4;
  --text-strong: #F0EDE7;
  --text-receipt: #DEDAD3;
  --text-item: #E6E2DB;

  /* Dim text tones. Theme.swift has six steps here; on the web they have to
     clear WCAG AA (4.5:1), and on a #0C0C0D background the room between the
     AA floor and --secondary is about half a stop — not enough for six steps,
     or even three. So --mono-ink and --tertiary are now aliases, and the
     hierarchy they used to carry is carried by size, weight and letter-spacing
     instead. Every value below is >= 4.5:1 on the lightest surface it lands on
     (--fill-raised). This is the one place the site deliberately diverges from
     the app's palette; the app is read at arm's length, the site isn't. */
  --muted: #9A958C;          /* 5.7:1  ledes, prose body            */
  --secondary: #8B867E;      /* 4.7:1  section intros, callouts     */
  --secondary-dim: #8A847B;  /* 4.6:1  card body, steps, FAQ, items */
  --mono-ink: var(--secondary-dim); /* micro-labels, money sublines */
  --tertiary: var(--secondary-dim); /* smallest labels, hero note   */

  /* Non-text marks only — never used for text, so 4.5:1 does not apply.
     --decor-strong is for affordances, which still owe 3:1 (WCAG 1.4.11). */
  --faint: #4A4741;
  --decor-strong: #6E6A63;

  /* The app icon's field is #0C0C0D, the same value as --bg, so the tile has no
     edge of its own anywhere it appears. It gets one the way the cards do, in
     three parts: a hairline at the boundary, a brighter inset along the top so
     the edge implies a light source, and a shadow cast beneath to seat it on
     the page. Edging all four sides evenly is what made earlier attempts read
     as a border drawn around a square rather than as an object. */
  --icon-edge: rgba(255, 255, 255, 0.08);
  --icon-lit: rgba(255, 255, 255, 0.10);
  --icon-cast: rgba(0, 0, 0, 0.7);

  /* Avatar rotation — Theme.newPersonHexes. The full five are kept even though
     the mockups only use three, so the set still matches the app. */
  --p1: #8FBF6B;
  --p2: #C99BE0;
  --p3: #6BC5C0;
  --p4: #E8B44F;
  --p5: #B9A5F0;

  --hairline: rgba(255, 255, 255, 0.06);
  --hairline-strong: rgba(255, 255, 255, 0.1);
  --fill: rgba(255, 255, 255, 0.045);
  --fill-raised: rgba(255, 255, 255, 0.07);
  --dash: rgba(255, 255, 255, 0.14);

  --sans: 'Geist', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --mono: 'Geist Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

  --wrap: 1060px;
  --prose: 680px;
  --radius-card: 14px;
  --radius-btn: 18px;
}

/* ---------- Reset-ish ---------- */

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  color-scheme: dark;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- Layout ---------- */

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 22px;
}

section {
  padding: clamp(56px, 9vw, 104px) 0;
}

.section-hairline {
  border-top: 1px solid var(--hairline);
}

/* Anchored sections have to clear the sticky nav, the same way .prose h2 does. */
section[id] {
  scroll-margin-top: 78px;
}

/* ---------- Type ---------- */

h1,
h2,
h3,
h4 {
  margin: 0;
  color: var(--text-bright);
  font-weight: 600;
  line-height: 1.14;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.1rem, 5.6vw, 3.5rem);
  letter-spacing: -0.033em;
}

h2 {
  font-size: clamp(1.6rem, 3.6vw, 2.25rem);
  letter-spacing: -0.028em;
}

h3 {
  font-size: 1.0625rem;
}

p {
  margin: 0;
}

/* Mono uppercase micro-label — Text.microLabel() in Theme.swift */
.micro {
  display: block;
  font-family: var(--mono);
  font-size: 0.6875rem;
  font-weight: 400;
  line-height: 1.4;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mono-ink);
}

.micro-accent {
  color: var(--accent);
}

.lede {
  font-size: clamp(1.0625rem, 2.1vw, 1.1875rem);
  line-height: 1.62;
  color: var(--muted);
}

.money {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  font-feature-settings: 'tnum' 1;
  color: var(--text-receipt);
}

.section-head {
  max-width: 620px;
  margin-bottom: clamp(32px, 5vw, 52px);
}

.section-head .micro {
  margin-bottom: 14px;
}

.section-head p {
  margin-top: 16px;
  color: var(--secondary);
  font-size: 1.0625rem;
  line-height: 1.62;
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 15px 26px;
  border: 0;
  border-radius: var(--radius-btn);
  font-family: var(--sans);
  font-size: 1.0625rem;
  font-weight: 600;
  line-height: 1;
  text-align: center;
  cursor: pointer;
  transition: transform 0.16s ease, background-color 0.2s ease, opacity 0.2s ease;
}

.btn:hover {
  text-decoration: none;
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}

.btn-primary {
  background: var(--accent);
  color: var(--ink-on-accent);
}

.btn-primary:hover {
  background: #4ACB8B;
}

.btn-secondary {
  background: var(--fill-raised);
  color: var(--text);
  border: 1px solid var(--hairline-strong);
  border-radius: 16px;
  font-size: 1rem;
  font-weight: 500;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

/* ---------- Nav ---------- */

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(12, 12, 13, 0.82);
  backdrop-filter: saturate(150%) blur(14px);
  -webkit-backdrop-filter: saturate(150%) blur(14px);
  border-bottom: 1px solid var(--hairline);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  height: 62px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 600;
  font-size: 1.0625rem;
  letter-spacing: -0.015em;
}

.brand:hover {
  text-decoration: none;
}

/* The app icon itself, served at the size it renders (assets/app-icon-64.png
   covers 28px up to @2x). iOS masks home-screen icons at 22.37% of the side,
   and the source PNG is the unmasked App Store square — so the radius here is
   28 * 0.2237, matching the silhouette the icon has on the home screen.
   The icon's field is --bg, so at this size the tile reads as the bare green
   mark next to the wordmark; the radius still matters if it is ever set on a
   lighter surface. */
.brand-mark {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  flex: none;
  /* Shallower cast than the CTA: at 28px a deep one just smudges the nav bar. */
  box-shadow:
    inset 0 1px 0 var(--icon-lit),
    0 0 0 1px var(--icon-edge),
    0 2px 8px var(--icon-cast);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 26px;
}

.nav-links a {
  color: var(--secondary);
  font-size: 0.9375rem;
  transition: color 0.18s ease;
}

.nav-links a:hover,
.nav-links a[aria-current='page'] {
  color: var(--text);
  text-decoration: none;
}

/* The nav pill is a `.nav-links a` as well as a `.btn-primary`, and the nav
   selector is a specificity notch higher — so the ink has to be named here,
   hover included, or the muted nav-link colour lands on the green fill. */
.nav-links .nav-cta,
.nav-links .nav-cta:hover {
  color: var(--ink-on-accent);
}

.nav-cta {
  padding: 9px 16px;
  border-radius: 12px;
  font-size: 0.875rem;
}

@media (max-width: 720px) {
  .nav-links {
    gap: 18px;
  }
  .nav-links .nav-cta {
    display: none;
  }
}

@media (max-width: 420px) {
  .nav-links a:not(.nav-cta) {
    font-size: 0.875rem;
  }
  .nav-links {
    gap: 14px;
  }
}

/* Brand plus three links needs 366px. Below that the row used to overflow,
   and `body { overflow-x: hidden }` clipped it rather than letting it scroll,
   so Support became unreachable. Wrapping to a second line keeps every link
   on screen — including at 375px with the browser font size turned up. */
@media (max-width: 380px) {
  .nav-inner {
    height: auto;
    flex-wrap: wrap;
    gap: 6px 14px;
    padding-top: 11px;
    padding-bottom: 11px;
  }
}

/* ---------- Receipt paper ---------- */

/* Top-rounded card that a .tear hangs below — matches the app, where the
   receipt card is clipped with top radii only and PerforatedEdge sits under it. */
.paper-top {
  background: var(--card);
  border-radius: 12px 12px 0 0;
}

/* PerforatedEdge: an 11px paper strip with background-coloured half-circles
   bitten out of its top edge (r 5.4, pitch 12 — same geometry as the app). */
.tear {
  height: 11px;
  background: var(--card);
  -webkit-mask-image: radial-gradient(circle 5.4px at 6px 0, transparent 5.4px, #000 5.6px);
  mask-image: radial-gradient(circle 5.4px at 6px 0, transparent 5.4px, #000 5.6px);
  -webkit-mask-size: 12px 11px;
  mask-size: 12px 11px;
  -webkit-mask-repeat: repeat-x;
  mask-repeat: repeat-x;
}

/* ReceiptDash — the 4/4 dashed separator inside receipt cards. */
.dashed {
  height: 1px;
  border: 0;
  margin: 0;
  background-image: linear-gradient(to right, var(--dash) 50%, transparent 0%);
  background-size: 8px 1px;
  background-repeat: repeat-x;
}

/* ---------- Receipt line items ---------- */

.receipt-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 7px 0;
}

.receipt-row .name {
  color: var(--text-item);
  font-size: 0.9375rem;
}

.receipt-row .money {
  font-size: 0.90625rem;
  flex: none;
}

.receipt-row.is-total .name {
  color: var(--text-strong);
  font-weight: 600;
}

.receipt-row.is-total .money {
  color: var(--text-strong);
  font-weight: 600;
  font-size: 1rem;
}

.receipt-row.is-sub .name,
.receipt-row.is-sub .money {
  color: var(--secondary-dim);
  font-size: 0.875rem;
}

/* A whole receipt row as a link (404 page). The arrow alone was a 9x19px
   target; the row gives the 44px Apple and WCAG 2.5.8 both want. */
a.receipt-row {
  min-height: 44px;
  align-items: center;
}

a.receipt-row:hover {
  text-decoration: none;
}

a.receipt-row .name {
  color: var(--text-item);
  transition: color 0.18s ease;
}

a.receipt-row:hover .name {
  color: var(--text-bright);
}

a.receipt-row .money {
  color: var(--accent);
}

/* ---------- Avatars ---------- */

.avatar {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: #0A0A0A;
  font-weight: 600;
  font-size: 0.8125rem;
  flex: none;
  user-select: none;
}

/* ---------- Hero ---------- */

.hero {
  position: relative;
  padding: clamp(48px, 8vw, 92px) 0 clamp(56px, 8vw, 96px);
  overflow: hidden;
}

/* One restrained accent glow, well under the content. */
.hero::before {
  content: '';
  position: absolute;
  top: -220px;
  left: 50%;
  width: min(900px, 130vw);
  height: 620px;
  transform: translateX(-50%);
  background: radial-gradient(ellipse at center, rgba(63, 191, 127, 0.10), transparent 66%);
  pointer-events: none;
  z-index: 0;
}

.hero .wrap {
  position: relative;
  z-index: 1;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 340px);
  gap: clamp(36px, 6vw, 68px);
  align-items: center;
}

.hero h1 {
  margin-top: 18px;
}

.hero .lede {
  margin-top: 20px;
  max-width: 30em;
}

.hero .btn-row {
  margin-top: 32px;
}

.hero-note {
  margin-top: 18px;
  color: var(--tertiary);
  font-size: 0.8125rem;
}

@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: minmax(0, 1fr);
  }
  .hero-phone {
    justify-self: center;
  }
}

/* Full-width CTAs on narrow screens — easier targets, tidier stack. */
@media (max-width: 480px) {
  .btn-row {
    gap: 10px;
  }
  .btn-row .btn {
    width: 100%;
  }
  .cta .btn-row {
    justify-content: stretch;
  }
}

/* ---------- Phone mock ---------- */

.phone {
  width: 100%;
  max-width: 320px;
  border-radius: 42px;
  padding: 10px;
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.11), rgba(255, 255, 255, 0.03));
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.55);
}

/* 9:19.5 is the iPhone 15 Pro's screen (393x852pt). Without it the mock was
   whatever its content came to — 2.6:1, a fifth taller than a real phone.
   Height is now fixed and the scrolling region absorbs the difference, which
   is what the actual screen does: AssignView scrolls the receipt and the
   people under a pinned dock. */
.phone-screen {
  display: flex;
  flex-direction: column;
  aspect-ratio: 9 / 19.5;
  background: var(--bg);
  border-radius: 33px;
  overflow: hidden;
  padding: 14px 0 16px;
}

.phone-status {
  display: flex;
  justify-content: center;
  padding-bottom: 6px;
}

.phone-notch {
  width: 84px;
  height: 6px;
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.14);
}

.phone-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 18px 12px;
}

.phone-head .link {
  color: var(--accent);
  font-size: 0.8125rem;
}

.phone-title {
  padding: 2px 18px 12px;
}

.phone-title b {
  display: block;
  color: var(--text);
  font-size: 1.0625rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.phone-title span {
  display: block;
  margin-top: 2px;
  color: var(--secondary-dim);
  font-size: 0.75rem;
}

/* The scrolling half of the screen. Content taller than the space runs out
   under the mask rather than being cut on a hard edge — a viewport into more,
   the same as the real list. */
.phone-scroll {
  flex: 1;
  min-height: 0;
  overflow: hidden;
  padding: 0 14px;
  -webkit-mask-image: linear-gradient(#000 88%, transparent 100%);
  mask-image: linear-gradient(#000 88%, transparent 100%);
}

/* Pinned to the bottom, where the dock sits in AssignView. */
.phone-dock {
  flex: none;
  margin: 10px 14px 0;
  padding: 12px 14px;
  background: var(--fill);
  border: 1px solid var(--hairline-strong);
  border-radius: 14px;
}

.phone-dock p {
  font-size: 0.8125rem;
  color: var(--text-item);
  line-height: 1.5;
}

/* ---------- The sentence → people transformation ---------- */

.transform {
  display: grid;
  justify-items: center;
  gap: 22px;
}

.transform-arrow {
  color: var(--faint);
  font-size: 1.375rem;
  line-height: 1;
}

.quote-card {
  width: 100%;
  max-width: 620px;
  padding: 28px 30px 30px;
  text-align: center;
  background: var(--fill);
  border: 1px solid var(--hairline-strong);
  border-radius: var(--radius-card);
}

.quote-card blockquote {
  margin: 14px 0 0;
  font-size: clamp(1.125rem, 2.5vw, 1.4375rem);
  line-height: 1.48;
  color: var(--text-bright);
  letter-spacing: -0.018em;
}

.transform .people {
  width: 100%;
  grid-template-columns: repeat(auto-fit, minmax(228px, 1fr));
  gap: 12px;
}

/* Typing caret in the hero phone mock. Deliberately not scoped to a parent —
   it was `.quote-card .caret` once, which matched nothing and rendered the
   caret as a zero-width, transparent, unanimated span. */
.caret {
  display: inline-block;
  width: 2px;
  height: 1.05em;
  margin-left: 3px;
  vertical-align: -0.16em;
  background: var(--accent);
  animation: blink 1.15s steps(1) infinite;
}

@keyframes blink {
  0%,
  49% {
    opacity: 1;
  }
  50%,
  100% {
    opacity: 0;
  }
}

/* ---------- Person cards ---------- */

.people {
  display: grid;
  gap: 10px;
}

.person {
  background: var(--card);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-card);
  padding: 13px 15px;
}

.person-head {
  display: flex;
  align-items: center;
  gap: 11px;
}

.person-head .who {
  color: var(--text-strong);
  font-weight: 600;
  font-size: 0.9375rem;
  flex: 1;
  min-width: 0;
}

.person-head .money {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-strong);
}

.person-items {
  margin: 9px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 4px;
}

.person-items li {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 0.8125rem;
  color: var(--secondary-dim);
}

.person-items .money {
  font-size: 0.78125rem;
  color: var(--mono-ink);
}

.person-items .shared {
  color: var(--tertiary);
  font-size: 0.75rem;
}

/* ---------- Feature grid ---------- */

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(248px, 1fr));
  gap: 14px;
}

.feature {
  padding: 22px;
  background: var(--fill);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-card);
}

.feature h3 {
  margin-bottom: 9px;
  color: var(--text);
}

.feature p {
  color: var(--secondary-dim);
  font-size: 0.90625rem;
  line-height: 1.6;
}

.feature .micro {
  margin-bottom: 13px;
  color: var(--tertiary);
  letter-spacing: 0.16em;
  font-size: 0.65625rem;
}

/* ---------- Steps ---------- */

.steps {
  counter-reset: step;
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--fill);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-card);
  overflow: hidden;
}

.steps li {
  counter-increment: step;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  padding: 20px 22px;
}

.steps li + li {
  border-top: 1px solid var(--hairline);
}

.steps li::before {
  content: counter(step, decimal-leading-zero);
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--accent);
  padding-top: 3px;
  letter-spacing: 0.08em;
}

.steps h3 {
  margin-bottom: 5px;
  color: var(--text);
  font-size: 1rem;
}

.steps p {
  color: var(--secondary-dim);
  font-size: 0.9375rem;
  line-height: 1.6;
}

/* ---------- Privacy band ---------- */

.privacy-band {
  background: linear-gradient(180deg, rgba(63, 191, 127, 0.055), transparent 70%);
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
}

/* There are exactly four claims, so the columns are explicit rather than
   auto-fit: between roughly 640px and 830px auto-fit resolved to three columns
   and left the fourth card orphaned on a row of its own. 4 / 2 / 1 always
   fills every row it starts. */
.privacy-claims {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-top: 34px;
}

@media (max-width: 900px) {
  .privacy-claims {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 480px) {
  .privacy-claims {
    grid-template-columns: minmax(0, 1fr);
  }
}

.claim {
  padding: 18px 18px 20px;
  border: 1px solid var(--hairline-strong);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.02);
}

/* The figure leads the phrase on one line — "0 network calls" — so it reads as
   the first word of the claim rather than a number stranded above it. Inline
   rather than a flex row on purpose: if a lead phrase wraps, the second line
   should run the full width of the card, not indent into a gutter. */
.claim .k {
  font-family: var(--mono);
  font-size: 1.75rem;
  font-weight: 600;
  line-height: 1;
  color: var(--accent);
  letter-spacing: -0.01em;
  margin-right: 9px;
}

.claim-lead {
  color: var(--text);
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.35;
  letter-spacing: -0.01em;
}

.claim-sub {
  margin-top: 7px;
  color: var(--secondary-dim);
  font-size: 0.8125rem;
  line-height: 1.55;
}

/* ---------- Callout ---------- */

.callout {
  display: grid;
  gap: 10px;
  padding: 20px 22px;
  border-radius: var(--radius-card);
  background: var(--fill);
  border: 1px solid var(--hairline-strong);
}

.callout p {
  color: var(--secondary);
  font-size: 0.9375rem;
  line-height: 1.62;
}

.callout.accent {
  border-color: rgba(63, 191, 127, 0.28);
  background: rgba(63, 191, 127, 0.06);
}

/* ---------- FAQ ---------- */

.faq {
  display: grid;
  gap: 0;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-card);
  overflow: hidden;
  background: var(--fill);
}

.faq details + details {
  border-top: 1px solid var(--hairline);
}

.faq summary {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 22px;
  cursor: pointer;
  color: var(--text);
  font-weight: 500;
  font-size: 1rem;
  line-height: 1.5;
  list-style: none;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq summary::after {
  content: '+';
  flex: none;
  font-family: var(--mono);
  font-size: 1.125rem;
  line-height: 1.35;
  color: var(--decor-strong);
  transition: transform 0.2s ease, color 0.2s ease;
}

.faq details[open] summary::after {
  transform: rotate(45deg);
  color: var(--accent);
}

.faq summary:hover {
  background: rgba(255, 255, 255, 0.02);
}

.faq .answer {
  padding: 0 22px 20px;
  color: var(--secondary-dim);
  font-size: 0.9375rem;
  line-height: 1.65;
}

.faq .answer p + p {
  margin-top: 12px;
}

/* ---------- CTA band ---------- */

.cta {
  text-align: center;
}

.cta .wrap > * {
  margin-left: auto;
  margin-right: auto;
}

/* Same 22.37% radius as .brand-mark, at 80px. Centred by `.cta .wrap > *`.
   This is the one place the icon is shown *as* an icon — the thing you will
   tap on a home screen — so it is lifted the furthest off the page: same three
   parts as .brand-mark, with the cast deepened to match the size. `box-shadow`
   rather than `border`, so none of it sits inside the 80px. */
.cta-icon {
  width: 80px;
  height: 80px;
  border-radius: 18px;
  box-shadow:
    inset 0 1px 0 var(--icon-lit),
    0 0 0 1px var(--icon-edge),
    0 10px 28px var(--icon-cast);
  margin-bottom: 28px;
}

.cta .lede {
  margin-top: 18px;
  max-width: 34em;
}

.cta .btn-row {
  margin-top: 30px;
  justify-content: center;
}

.cta .hero-note {
  margin-top: 20px;
}

/* ---------- Prose (privacy / support) ---------- */

.page-head {
  padding: clamp(44px, 7vw, 76px) 0 clamp(24px, 4vw, 38px);
  border-bottom: 1px solid var(--hairline);
}

.page-head .micro {
  margin-bottom: 15px;
}

.page-head .lede {
  margin-top: 18px;
  max-width: var(--prose);
}

.page-head .updated {
  margin-top: 22px;
  color: var(--tertiary);
  font-size: 0.8125rem;
  font-family: var(--mono);
}

.prose {
  max-width: var(--prose);
  padding: clamp(38px, 6vw, 60px) 0 clamp(56px, 8vw, 88px);
}

.prose h2 {
  margin-top: 52px;
  margin-bottom: 16px;
  font-size: 1.375rem;
  scroll-margin-top: 84px;
}

.prose h2:first-child {
  margin-top: 0;
}

.prose h3 {
  margin-top: 32px;
  margin-bottom: 10px;
  color: var(--text);
  font-size: 1.0625rem;
}

.prose p {
  margin-bottom: 16px;
  color: var(--muted);
  line-height: 1.72;
}

.prose ul {
  margin: 0 0 18px;
  padding-left: 0;
  list-style: none;
}

.prose ul li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 11px;
  color: var(--muted);
  line-height: 1.7;
}

.prose ul li::before {
  content: '';
  position: absolute;
  left: 4px;
  top: 0.72em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--faint);
}

.prose strong {
  color: var(--text);
  font-weight: 600;
}

.prose a {
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(63, 191, 127, 0.4);
}

.prose .callout {
  margin: 26px 0;
}

.prose .callout p:last-child {
  margin-bottom: 0;
}

/* On privacy.html the contents block opens the page; on support.html it sits
   below the contact card and needs room above it. */
.toc:not(:first-child) {
  margin-top: 34px;
}

.toc {
  margin: 0 0 8px;
  padding: 20px 22px;
  background: var(--fill);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-card);
}

.toc .micro {
  margin-bottom: 12px;
  color: var(--tertiary);
}

.toc ol {
  margin: 0;
  padding-left: 20px;
  color: var(--secondary);
  font-size: 0.9375rem;
}

.toc li {
  margin-bottom: 6px;
}

.toc a {
  color: var(--secondary);
  text-decoration: none;
}

.toc a:hover {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* Contact block */
.contact-card {
  display: grid;
  gap: 6px;
  padding: 22px;
  border-radius: var(--radius-card);
  background: rgba(63, 191, 127, 0.06);
  border: 1px solid rgba(63, 191, 127, 0.28);
}

.contact-card .email {
  font-family: var(--mono);
  font-size: 1.0625rem;
  color: var(--accent);
  word-break: break-all;
}

/* ---------- Footer ---------- */

.footer {
  border-top: 1px solid var(--hairline);
  padding: 48px 0 56px;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 26px;
  justify-content: space-between;
  align-items: flex-start;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
}

/* The brand is 28px tall because the app icon sets its height, but a footer
   link's line box is only 24px (15px x 1.6). With `align-items: flex-start` on
   the row, that left the "Tabber" wordmark sitting 3.6px below the links.
   Matching the link line box to the mark's 28px puts both on the same optical
   baseline. `align-items: baseline` cannot do this: .brand is an inline-flex
   whose baseline is synthesised from the icon rather than the wordmark, which
   pushes the two 7.4px apart in the other direction. */
.footer-links a {
  color: var(--secondary);
  font-size: 0.9375rem;
  line-height: 28px;
}

.footer-links a:hover {
  color: var(--text);
  text-decoration: none;
}

.footer-fine {
  margin-top: 34px;
  color: var(--secondary-dim);
  font-size: 0.8125rem;
  line-height: 1.7;
  max-width: 56em;
}

/* Underlined because the link colour is no longer far enough from the
   surrounding text to carry the distinction on its own. */
.footer-fine a {
  color: var(--muted);
  text-decoration: underline;
  text-underline-offset: 2px;
  text-decoration-color: rgba(255, 255, 255, 0.2);
}

/* ---------- Reveal-on-scroll (progressive enhancement) ---------- */

.js .reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.6s ease, transform 0.6s cubic-bezier(0.22, 0.61, 0.36, 1);
}

.js .reveal.in {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .js .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .caret {
    animation: none;
  }
  .btn:hover {
    transform: none;
  }
}

/* ---------- Utilities ---------- */

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  padding: 12px 18px;
  background: var(--accent);
  color: var(--ink-on-accent);
  font-weight: 600;
  z-index: 100;
}

.skip-link:focus {
  left: 12px;
  top: 12px;
}

.mt-lg {
  margin-top: clamp(30px, 4vw, 44px);
}