/* kith4.app — one dark canvas, the app's own palette, colour only where it means something. */

:root {
  --canvas: #0a0a0c;
  --raised: #141418;
  --ink: #f5f5f7;
  --ink-2: #a1a1aa;
  --ink-3: #6b6b75;
  --hair: rgba(255, 255, 255, 0.08);
  --brand: #5856d6;
  --brand-hi: #7d7bff;
  --orange: #ff9500;
  --teal: #00c7be;
  --positive: #30d158;
  --negative: #ff453a;
  --max: 1120px;
  --gutter: clamp(20px, 5vw, 48px);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
main { overflow-x: clip; }

body {
  margin: 0;
  background: var(--canvas);
  color: var(--ink);
  font: 17px/1.55 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Inter", "Segoe UI", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-feature-settings: "ss01", "cv11";
}

a { color: inherit; text-decoration: none; }
img, svg { display: block; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }

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

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 28px;
}
.lockup { display: flex; align-items: center; gap: 12px; font-weight: 600; font-size: 17px; letter-spacing: -0.01em; }
.nav-links { display: flex; gap: 28px; font-size: 15px; color: var(--ink-2); }
.nav-links a:hover { color: var(--ink); }

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

.display {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Inter", system-ui, sans-serif;
  font-weight: 700;
  letter-spacing: -0.045em;
  line-height: 0.98;
  margin: 0;
}
.eyebrow {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin: 0 0 20px;
}
.lede { font-size: clamp(19px, 2.1vw, 23px); line-height: 1.45; color: var(--ink-2); letter-spacing: -0.01em; margin: 0; }
.muted { color: var(--ink-3); }

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

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  align-items: center;
  gap: clamp(40px, 6vw, 96px);
  padding-block: clamp(40px, 8vw, 104px) clamp(80px, 10vw, 144px);
}
.hero-copy { container-type: inline-size; }
/* Sized to its own column, not the window: "relationship." is ~5.1em wide
   at this tracking, so 18.5cqi always fits on one line and never breaks. */
.hero h1 { font-size: min(112px, 18.5cqi); margin-bottom: 32px; hyphens: none; }
.hero h1 .soft { color: var(--ink-3); }
.hero .lede { max-width: 30ch; margin-bottom: 44px; }

.store {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  padding: 14px 22px 14px 18px;
  border-radius: 14px;
  background: var(--ink);
  color: #000;
}
.store svg { flex: none; }
.store .top { display: block; font-size: 11px; line-height: 1.1; letter-spacing: 0.02em; opacity: 0.7; }
.store .main { display: block; font-size: 19px; line-height: 1.1; font-weight: 600; letter-spacing: -0.02em; }
.store-note { margin: 16px 0 0; font-size: 15px; color: var(--ink-3); }
.store-note a { color: var(--ink-2); border-bottom: 1px solid var(--hair); }
.store-note a:hover { color: var(--ink); }

.hero-stage { position: relative; display: flex; justify-content: center; }
.hero-stage::before {
  content: "";
  position: absolute;
  inset: 8% 0 0;
  background:
    radial-gradient(40% 36% at 30% 40%, rgba(88, 86, 214, 0.45), transparent 70%),
    radial-gradient(36% 32% at 72% 58%, rgba(0, 199, 190, 0.28), transparent 70%),
    radial-gradient(30% 28% at 50% 80%, rgba(255, 149, 0, 0.22), transparent 70%);
  filter: blur(40px);
  z-index: 0;
}
.hero-stage .phone { position: relative; z-index: 1; }

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

.phone {
  --w: 300px;
  width: var(--w);
  aspect-ratio: 300 / 624;
  padding: 11px;
  border-radius: 54px;
  background: linear-gradient(145deg, #3a3a40, #151518 40%, #2a2a2f);
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.06) inset,
    0 50px 100px -30px rgba(0, 0, 0, 0.8),
    0 30px 60px -40px rgba(0, 0, 0, 0.9);
  flex: none;
}
.screen {
  position: relative;
  height: 100%;
  border-radius: 43px;
  overflow: hidden;
  background: #f2f2f7;
  color: #000;
  font-size: 12px;
  line-height: 1.3;
  font-feature-settings: "tnum";
}
.island {
  position: absolute;
  top: 10px;
  left: 50%;
  width: 92px;
  height: 27px;
  margin-left: -46px;
  border-radius: 20px;
  background: #000;
  z-index: 3;
}
.status {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 26px 0 30px;
  height: 46px;
  font-weight: 600;
  font-size: 13px;
}
.status .icons { display: flex; gap: 5px; align-items: center; }
.status .batt { width: 22px; height: 11px; border-radius: 3px; border: 1.2px solid rgba(0, 0, 0, 0.45); padding: 1px; }
.status .batt i { display: block; height: 100%; width: 78%; background: #000; border-radius: 1.5px; }

.app { padding: 6px 14px 0; }
.app-title { font-size: 26px; font-weight: 700; letter-spacing: -0.02em; margin: 4px 2px 12px; }

.balance {
  background: #17171a;
  color: #fff;
  border-radius: 16px;
  padding: 16px 16px 15px;
  margin-bottom: 12px;
}
.balance .k { font-size: 9.5px; letter-spacing: 0.06em; text-transform: uppercase; color: rgba(255, 255, 255, 0.5); }
.balance .v { font-size: 30px; font-weight: 700; letter-spacing: -0.02em; margin: 3px 0 1px; }
.balance .s { font-size: 11px; color: rgba(255, 255, 255, 0.45); }
.pos { color: var(--positive); }
.neg { color: var(--negative); }

.card { background: #fff; border-radius: 14px; padding: 4px 12px; margin-bottom: 12px; }
.card-head { display: flex; justify-content: space-between; align-items: baseline; margin: 2px 4px 6px; }
.card-head b { font-size: 14px; font-weight: 700; }
.card-head span { font-size: 11px; color: var(--brand); }

.row { display: flex; align-items: center; gap: 10px; padding: 9px 0; }
.row + .row { border-top: 0.5px solid #e5e5ea; }
.av {
  width: 30px; height: 30px; border-radius: 50%;
  display: grid; place-items: center;
  color: #fff; font-weight: 600; font-size: 12px; flex: none;
}
.row .t { flex: 1; min-width: 0; }
.row .t b { display: block; font-size: 12.5px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.row .t span { display: block; font-size: 10.5px; color: #8e8e93; }
.row .amt { font-size: 12.5px; font-weight: 600; }

.tabbar {
  position: absolute; left: 0; right: 0; bottom: 0;
  height: 70px;
  padding: 10px 30px 0;
  display: flex; justify-content: space-between; align-items: flex-start;
  background: rgba(249, 249, 251, 0.82);
  -webkit-backdrop-filter: saturate(180%) blur(18px);
  backdrop-filter: saturate(180%) blur(18px);
  z-index: 2;
  border-top: 0.5px solid #d8d8dd;
}
.tabbar i { width: 22px; height: 22px; border-radius: 6px; background: #c7c7cc; }
.tabbar i.on { background: var(--brand); }
.tabbar .plus {
  width: 40px; height: 40px; margin-top: -6px; border-radius: 50%;
  background: var(--brand); color: #fff;
  display: grid; place-items: center; font-size: 22px; font-weight: 400;
}
.home-ind { position: absolute; bottom: 7px; left: 50%; width: 110px; margin-left: -55px; height: 4px; border-radius: 3px; background: #000; z-index: 3; }

/* ---------- Privacy section ---------- */

.band { padding: clamp(96px, 12vw, 176px) 0; border-top: 1px solid var(--hair); }
.band h2 { font-size: clamp(40px, 6vw, 80px); max-width: 14ch; margin-bottom: 28px; }
.band .lede { max-width: 40ch; }

.split-stage {
  margin-top: clamp(56px, 7vw, 96px);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: clamp(20px, 3vw, 44px);
}
.split-stage .phone { --w: 272px; justify-self: center; }
.split-stage figure { margin: 0; display: grid; justify-items: center; gap: 22px; }
.split-stage figcaption { font-size: 15px; color: var(--ink-2); text-align: center; }
.split-stage figcaption b { color: var(--ink); font-weight: 600; }
.divider {
  width: 1px; align-self: stretch;
  background: linear-gradient(to bottom, transparent, rgba(255, 255, 255, 0.18), transparent);
}

/* ---------- Principles ---------- */

.principles {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(32px, 4vw, 64px);
  margin-top: clamp(56px, 6vw, 88px);
}
.principle .dot { width: 10px; height: 10px; border-radius: 50%; margin-bottom: 24px; }
.principle h3 { margin: 0 0 12px; font-size: 22px; font-weight: 650; letter-spacing: -0.02em; }
.principle p { margin: 0; color: var(--ink-2); font-size: 16px; }

/* ---------- Closing ---------- */

.closing { text-align: left; }
.closing h2 { max-width: 16ch; }
.closing .store { margin-top: 44px; }

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

.foot {
  border-top: 1px solid var(--hair);
  padding-block: 36px 56px;
  display: flex; flex-wrap: wrap; gap: 12px 28px; align-items: center;
  font-size: 14px; color: var(--ink-3);
}
.foot .grow { flex: 1; }
.foot a:hover { color: var(--ink); }

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

.prose { max-width: 700px; padding-block: clamp(32px, 6vw, 72px) 96px; }
.prose h1 { font-size: clamp(44px, 7vw, 72px); margin-bottom: 16px; }
.prose .updated { color: var(--ink-3); font-size: 15px; margin: 0 0 56px; }
.prose h2 { font-size: 21px; font-weight: 650; letter-spacing: -0.015em; margin: 56px 0 14px; }
.prose p, .prose li { color: #c8c8d0; }
.prose a { color: var(--brand-hi); }
.prose a:hover { text-decoration: underline; }
.prose strong { color: var(--ink); }
.prose ul { padding-left: 20px; }
.prose li { margin-bottom: 8px; }
.prose table { width: 100%; border-collapse: collapse; margin: 20px 0; font-size: 15px; }
.prose th, .prose td { text-align: left; vertical-align: top; padding: 12px 14px 12px 0; border-bottom: 1px solid var(--hair); }
.prose th { color: var(--ink-3); font-weight: 600; font-size: 13px; letter-spacing: 0.04em; text-transform: uppercase; }
.table-scroll { overflow-x: auto; }

/* ---------- Responsive ---------- */

.principles.four { grid-template-columns: repeat(4, minmax(0, 1fr)); }
@media (max-width: 1100px) {
  .principles.four { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; }
  .hero-stage { margin-top: 8px; }
  .split-stage { grid-template-columns: 1fr; gap: 56px; }
  .divider { display: none; }
  .principles, .principles.four { grid-template-columns: 1fr; }
}
@media (max-width: 420px) {
  .phone { --w: 272px; }
  .nav-links { gap: 18px; }
}

/* ---------- The family ---------- */

.family {
  margin-top: clamp(56px, 7vw, 96px);
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
  gap: clamp(40px, 6vw, 88px);
  align-items: center;
}
.family svg { width: 100%; max-height: 420px; height: auto; overflow: visible; }
.family svg text { font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Inter", system-ui, sans-serif; }
.ledgers { display: grid; gap: 28px; }
.ledger { padding-left: 20px; border-left: 2px solid; }
.ledger b { display: block; font-size: 19px; font-weight: 650; letter-spacing: -0.015em; margin-bottom: 4px; }
.ledger span { color: var(--ink-2); font-size: 16px; }
.family-note { margin: 40px 0 0; font-size: 15px; color: var(--ink-3); }

@media (max-width: 900px) {
  .family { grid-template-columns: 1fr; }
}

/* ---------- Scenario switch (Couple / Family / Blended family) ---------- */

.seg {
  display: inline-flex;
  padding: 4px;
  gap: 2px;
  margin-top: clamp(40px, 5vw, 56px);
  border-radius: 999px;
  background: var(--raised);
  box-shadow: inset 0 0 0 1px var(--hair);
}
.seg button {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--ink-2);
  font: inherit;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.01em;
  padding: 10px 20px;
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}
.seg button:hover { color: var(--ink); }
.seg button[aria-selected="true"] { background: var(--ink); color: #000; }
.seg button:focus-visible { outline: 2px solid var(--brand-hi); outline-offset: 2px; }
.scenario[hidden] { display: none; }
.scenario .family { margin-top: clamp(40px, 5vw, 64px); }
.scenario .lede { margin-top: 32px; max-width: 46ch; }

@media (max-width: 420px) {
  .seg button { padding: 9px 13px; font-size: 14px; }
}

/* ---------- A closer look ---------- */

.look {
  margin-top: clamp(56px, 7vw, 88px);
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(20px, 2.5vw, 36px);
}
.look figure { margin: 0; display: grid; justify-items: center; gap: 20px; align-content: start; }
.look figcaption { font-size: 15px; color: var(--ink-2); text-align: center; max-width: 22ch; }
.look figcaption b { color: var(--ink); font-weight: 600; }
/* Drawn at the full 300px design size, then scaled whole — reflowing a
   phone screen to fit a narrow column breaks it. */
.phone.sm { --w: 300px; zoom: 0.76; }

.search {
  display: flex; align-items: center; gap: 6px;
  background: #e3e3e8; border-radius: 10px; padding: 7px 10px; margin: 0 0 10px;
  font-size: 12.5px; color: #000;
}
.segmini { display: flex; background: #e3e3e8; border-radius: 8px; padding: 2px; margin-bottom: 12px; font-size: 11px; }
.segmini > * { flex: 1; text-align: center; padding: 4px 0; border-radius: 6px; color: #3c3c43; }
.segmini b { background: #fff; font-weight: 600; box-shadow: 0 1px 2px rgba(0,0,0,.12); color: #000; }
.month { font-size: 10.5px; font-weight: 600; color: #8e8e93; text-transform: uppercase; letter-spacing: .05em; margin: 4px 4px 6px; }

.timeline { padding: 8px 12px; }
.hist { display: flex; gap: 10px; padding: 8px 0; position: relative; }
.hist + .hist { border-top: 0.5px solid #e5e5ea; }
.hist > i { width: 8px; height: 8px; border-radius: 50%; margin-top: 4px; flex: none; }
.hist .k { display: block; font-size: 9px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; }
.hist b { display: block; font-size: 12.5px; font-weight: 600; }
.hist b em { font-style: normal; font-weight: 600; color: #3c3c43; margin-left: 4px; }
.hist span:last-child { display: block; font-size: 10px; color: #8e8e93; }

.amount { font-size: 38px; font-weight: 700; letter-spacing: -0.03em; text-align: center; margin: 4px 0 14px; }
.form { padding: 2px 12px; }
.f { display: flex; justify-content: space-between; align-items: center; padding: 9px 0; font-size: 12.5px; }
.f + .f, .form .f + .row { border-top: 0.5px solid #e5e5ea; }
.f span { color: #3c3c43; }
.f b { font-weight: 600; }
.f .pill { background: rgba(88, 86, 214, 0.12); color: var(--brand); padding: 3px 9px; border-radius: 999px; font-size: 11px; }
.save {
  position: absolute; left: 14px; right: 14px; bottom: 28px;
  background: var(--brand); color: #fff; text-align: center; font-weight: 600; font-size: 14px;
  padding: 11px 0; border-radius: 12px;
}

@media (max-width: 1100px) {
  .look { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: 56px; }
  .phone.sm { zoom: 0.9; }
}
@media (max-width: 560px) {
  .look { grid-template-columns: 1fr; }
  .phone.sm { zoom: 0.9; }
}

/* ---------- Real screenshots ---------- */

.device {
  width: 280px;
  padding: 10px;
  border-radius: 50px;
  background: linear-gradient(145deg, #3a3a40, #151518 40%, #2a2a2f);
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.06) inset,
    0 50px 100px -30px rgba(0, 0, 0, 0.8),
    0 30px 60px -40px rgba(0, 0, 0, 0.9);
  flex: none;
}
.device img { width: 100%; height: auto; border-radius: 40px; background: #f2f2f7; }
.device.lg { width: 320px; }
.device.lg img { border-radius: 46px; }
.hero-stage .device { position: relative; z-index: 1; }

/* ---------- Feature rows ---------- */

.feature {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(40px, 7vw, 112px);
  align-items: center;
}
.feature.flip .feature-copy { order: 2; }
.feature .lede { max-width: 34ch; }
.feature-visual { display: flex; justify-content: center; }
.pair { display: flex; gap: 20px; align-items: flex-start; }
.pair .device { width: 240px; }
.pair .device img { border-radius: 34px; }
.pair .device:last-child { margin-top: 56px; }

.points-list { list-style: none; padding: 0; margin: 36px 0 0; display: grid; gap: 18px; max-width: 40ch; }
.points-list li { color: var(--ink-2); font-size: 16px; padding-left: 18px; position: relative; }
.points-list li::before { content: ""; position: absolute; left: 0; top: 0.62em; width: 6px; height: 6px; border-radius: 50%; background: var(--brand-hi); }
.points-list b { color: var(--ink); font-weight: 600; }

.free-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(24px, 4vw, 64px); margin-top: 8px; }
.free h2 { max-width: 16ch; }
.free .lede { max-width: none; }

@media (max-width: 900px) {
  .feature { grid-template-columns: 1fr; }
  .feature.flip .feature-copy { order: 0; }
  .free-grid { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .pair .device { width: 46vw; padding: 6px; border-radius: 30px; }
  .pair .device img { border-radius: 24px; }
  .pair .device:last-child { margin-top: 36px; }
}

/* ---------- Tour: one row of real screens ---------- */

.tour {
  margin-top: clamp(56px, 7vw, 88px);
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: clamp(16px, 2vw, 28px);
  align-items: start;
}
.tour-item { margin: 0; display: grid; gap: 22px; justify-items: center; }
.tour-item .device { width: 100%; max-width: 232px; padding: 7px; border-radius: 36px; }
.tour-item .device img { border-radius: 29px; }
.tour-item:nth-child(even) { margin-top: 48px; }
.tour-item figcaption { text-align: center; max-width: 22ch; }
.tour-item figcaption b { display: block; font-size: 17px; font-weight: 650; letter-spacing: -0.01em; margin-bottom: 6px; }
.tour-item figcaption span { display: block; font-size: 15px; color: var(--ink-2); line-height: 1.45; }

@media (max-width: 1100px) {
  .tour { grid-template-columns: repeat(3, minmax(0, 1fr)); row-gap: 56px; }
  .tour-item:nth-child(even) { margin-top: 0; }
}
@media (max-width: 700px) {
  .tour { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}