@import url('https://fonts.googleapis.com/css2?family=Chivo:ital,wght@0,400;0,500;0,600;0,700;0,800;0,900&display=swap');

:root {
  --paper: #f5f8fc;
  --paper-strong: #ffffff;
  --ink: #0d2a52;
  --ink-muted: #445878;
  --rule: #bac9dc;
  --rule-strong: #7890ad;
  --blue: #2f6df6;
  --blue-soft: #e8efff;
  --amber: #e9a813;
  --amber-soft: #fff4d4;
  --mint: #1da783;
  --mint-soft: #dff8f0;
  --focus: #1849bd;
  --max-width: 1460px;
  --page-gutter: clamp(1rem, 3vw, 2.6rem);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: 'Chivo', ui-sans-serif, system-ui, sans-serif;
  line-height: 1.5;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  border: 1px solid rgba(47, 109, 246, 0.18);
  pointer-events: none;
  content: '';
}

a {
  color: inherit;
}

button,
input,
summary {
  font: inherit;
}

::selection {
  background: var(--amber-soft);
  color: var(--ink);
}

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

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 100;
  padding: 0.7rem 1rem;
  background: var(--ink);
  color: white;
  text-decoration: none;
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header,
main,
footer {
  width: min(calc(100% - (var(--page-gutter) * 2)), var(--max-width));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  min-height: 74px;
  border-bottom: 1px solid var(--rule-strong);
  background: rgba(245, 248, 252, 0.94);
  transition: background 280ms ease;
}

.site-header::before,
.site-header::after {
  display: none;
}

.site-header::before { left: 0; }
.site-header::after { right: 0; }

.site-header[data-compact='true'] {
  min-height: 62px;
  background: rgba(245, 248, 252, 0.985);
}

.brand {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  min-height: 44px;
  gap: 0.7rem;
  color: var(--ink);
  font-size: 1.22rem;
  font-weight: 800;
  letter-spacing: -0.025em;
  text-decoration: none;
}

.brand img {
  border-radius: 8px;
  box-shadow: 0 7px 16px -10px rgba(13, 42, 82, 0.55);
}

.site-header nav {
  display: flex;
  align-items: center;
  gap: clamp(1.25rem, 3vw, 3rem);
}

.site-header nav a,
footer a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: 0.83rem;
  font-weight: 700;
  text-underline-offset: 0.3rem;
  text-decoration-thickness: 1px;
}

.header-actions {
  display: flex;
  align-items: center;
  justify-self: end;
  gap: 0.65rem;
}

.language-switch {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 58px;
  min-height: 44px;
  gap: 0.4rem;
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--rule-strong);
  border-radius: 12px;
  background: var(--paper-strong);
  color: var(--ink);
  font-size: 0.78rem;
  font-weight: 800;
  cursor: pointer;
  transition: background 220ms ease, transform 220ms var(--ease-out);
}

.language-switch:hover {
  background: var(--blue-soft);
  transform: translateY(-2px);
}

.language-switch svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.6;
}

.header-app-link {
  justify-self: end;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  gap: 0.75rem;
  padding: 0.8rem 1.15rem;
  border: 1px solid var(--ink);
  border-radius: 12px;
  background: var(--blue);
  box-shadow: 0 10px 22px -16px rgba(13, 42, 82, 0.9);
  color: white;
  font-weight: 800;
  text-decoration: none;
  transition: transform 220ms var(--ease-out), background 220ms ease, box-shadow 220ms ease;
}

.button:hover {
  background: #1f56d7;
  box-shadow: 0 14px 30px -16px rgba(13, 42, 82, 0.95);
  transform: translateY(-2px);
}

.button--compact {
  min-height: 44px;
  padding: 0.6rem 0.95rem;
  font-size: 0.85rem;
}

.button--mint {
  border-color: #0c7157;
  background: var(--mint);
  color: #042b23;
}

.button--mint:hover {
  background: #4ac6a5;
}

.hero {
  display: grid;
  grid-template-columns: minmax(320px, 0.82fr) minmax(560px, 1.18fr);
  align-items: center;
  gap: clamp(2.5rem, 6vw, 7rem);
  min-height: calc(100svh - 75px);
  padding-block: clamp(3.5rem, 7vw, 7.5rem);
}

.hero-copy {
  z-index: 2;
}

.hero-copy h1,
.section-heading h2,
.closing h2 {
  margin: 0;
  font-weight: 900;
  letter-spacing: -0.035em;
  line-height: 0.94;
  text-wrap: balance;
}

.hero-copy h1 {
  max-width: 9ch;
  font-size: clamp(3.35rem, 7.4vw, 6rem);
}

.hero-copy > p:first-of-type {
  max-width: 35rem;
  margin: 1.8rem 0 0;
  color: var(--ink-muted);
  font-size: clamp(1rem, 1.4vw, 1.18rem);
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem 1.25rem;
  margin-top: 2rem;
}

.text-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  gap: 0.6rem;
  font-size: 0.9rem;
  font-weight: 800;
  text-underline-offset: 0.35rem;
}

.hero-note {
  max-width: 31rem;
  margin: 1.25rem 0 0;
  color: var(--ink-muted);
  font-size: 0.76rem;
  font-weight: 600;
}

.product-preview {
  position: relative;
  padding: clamp(0.35rem, 0.8vw, 0.65rem);
  border: 1px solid var(--rule);
  border-radius: 16px;
  background: var(--paper-strong);
  box-shadow: 0 34px 74px -44px rgba(13, 42, 82, 0.72);
  transform: rotate(0.6deg);
}

.product-preview::before {
  position: absolute;
  inset: -18px 34px 18px -24px;
  z-index: -1;
  border-radius: 16px;
  background: var(--blue-soft);
  content: '';
  transform: rotate(-1.8deg);
}

.product-preview > img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 12px;
}

.example-section {
  padding-block: clamp(5rem, 10vw, 9rem);
  border-top: 1px solid var(--rule);
}

.month-map {
  position: relative;
  display: grid;
  grid-template-columns: minmax(160px, 0.8fr) minmax(250px, 1.2fr) minmax(160px, 0.8fr);
  grid-template-rows: auto minmax(265px, auto) auto auto;
  gap: 1rem;
  min-height: 700px;
  padding: clamp(1.2rem, 2.5vw, 2rem);
  border: 1px solid var(--rule-strong);
  border-radius: 16px;
  background:
    linear-gradient(rgba(13, 42, 82, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(13, 42, 82, 0.045) 1px, transparent 1px),
    rgba(255, 255, 255, 0.76);
  background-size: 20px 20px;
  box-shadow: 0 26px 60px -42px rgba(13, 42, 82, 0.58);
  isolation: isolate;
  overflow: hidden;
}

.month-map::before {
  position: absolute;
  inset: 0;
  z-index: -2;
  background: linear-gradient(150deg, rgba(47, 109, 246, 0.06), transparent 32%, rgba(29, 167, 131, 0.08));
  content: '';
}

.map-registration span {
  position: absolute;
  width: 14px;
  height: 14px;
  border: 1px solid var(--blue);
  border-radius: 50%;
}

.map-registration {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.map-registration span::before,
.map-registration span::after {
  position: absolute;
  top: 50%;
  left: 50%;
  background: var(--blue);
  content: '';
  transform: translate(-50%, -50%);
}

.map-registration span::before { width: 20px; height: 1px; }
.map-registration span::after { width: 1px; height: 20px; }
.map-registration span:nth-child(1) { top: 12px; left: 12px; }
.map-registration span:nth-child(2) { top: 12px; right: 12px; }
.map-registration span:nth-child(3) { right: 12px; bottom: 12px; }
.map-registration span:nth-child(4) { bottom: 12px; left: 12px; }

.map-heading {
  grid-column: 1 / -1;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.4rem 1.6rem 1rem;
  border-bottom: 1px solid var(--rule);
}

.map-heading h2 {
  margin: 0;
  font-size: 1.02rem;
  font-weight: 900;
  letter-spacing: -0.02em;
}

.map-heading p {
  max-width: 33rem;
  margin: 0;
  color: var(--ink-muted);
  font-size: 0.75rem;
}

.income-panel,
.shared-month,
.fair-split,
.settlement {
  position: relative;
  z-index: 2;
}

.income-panel {
  align-self: center;
  min-width: 0;
  padding: 1rem;
  border: 1px solid currentColor;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.82);
}

.income-panel--alex { color: var(--blue); }
.income-panel--sam { color: #b77900; }

.income-title {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  padding-bottom: 0.7rem;
  border-bottom: 1px solid currentColor;
}

.income-title span,
.shared-total span,
.fair-split > span,
.settlement > span {
  font-size: 0.66rem;
  font-weight: 900;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.income-title strong {
  color: var(--ink);
  font-size: clamp(1.3rem, 2vw, 1.75rem);
  font-variant-numeric: tabular-nums;
}

.income-panel label {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.income-panel input[type='range'] {
  width: 100%;
  min-height: 44px;
  margin: 0.8rem 0 0;
  accent-color: currentColor;
  cursor: pointer;
}

.income-panel p {
  margin: 0.1rem 0 0;
  color: var(--ink-muted);
  font-size: 0.7rem;
}

.income-panel p strong {
  color: currentColor;
  font-size: 0.85rem;
}

.shared-month {
  align-self: stretch;
  padding: 1rem;
  border: 1px solid var(--rule-strong);
  border-radius: 16px;
  background: rgba(245, 248, 252, 0.88);
}

.shared-total {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.8rem;
  padding-bottom: 0.8rem;
  border-bottom: 1px solid var(--rule);
}

.shared-total strong {
  font-size: 1.35rem;
  font-variant-numeric: tabular-nums;
}

.shared-month ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.shared-month li {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.52rem 0;
  border-bottom: 1px dotted var(--rule-strong);
  color: var(--ink-muted);
  font-size: 0.71rem;
}

.shared-month li:last-child { border-bottom: 0; }
.shared-month li strong { color: var(--ink); font-variant-numeric: tabular-nums; }

.flow-lines {
  position: absolute;
  top: 126px;
  left: 0;
  z-index: 1;
  width: 100%;
  height: 480px;
  pointer-events: none;
}

.flow {
  fill: none;
  stroke-linecap: round;
  stroke-width: 16;
  stroke-dasharray: 8 11;
  opacity: 0.48;
}

.flow--blue { stroke: var(--blue); stroke-width: var(--alex-flow, 16px); }
.flow--amber { stroke: var(--amber); stroke-width: var(--sam-flow, 16px); }
.flow--mint { stroke: var(--mint); }

.month-map[data-animated='true'] .flow {
  animation: route-draw 1600ms var(--ease-out) both;
}

.month-map[data-animated='true'] .flow--amber { animation-delay: 120ms; }
.month-map[data-animated='true'] .flow--mint { animation-delay: 320ms; }

.fair-split {
  grid-column: 1 / -1;
  justify-self: center;
  width: min(100%, 470px);
  padding: 0.75rem 1rem;
  border-top: 1px solid var(--rule-strong);
  border-bottom: 1px solid var(--rule-strong);
  background: rgba(255, 255, 255, 0.72);
  text-align: center;
}

.fair-split p {
  margin: 0.3rem 0 0;
  color: var(--ink-muted);
  font-size: 0.75rem;
}

.fair-split strong { color: var(--ink); font-variant-numeric: tabular-nums; }

.settlement {
  grid-column: 1 / -1;
  justify-self: center;
  width: min(100%, 520px);
  padding: 1rem 1.4rem 1.2rem;
  border: 1px solid #0d775c;
  border-radius: 16px;
  background: var(--mint-soft);
  box-shadow: 0 22px 44px -32px rgba(13, 119, 92, 0.7);
  color: #073b2f;
  text-align: center;
}

.settlement strong {
  display: block;
  margin-top: 0.2rem;
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.035em;
  line-height: 1;
}

.settlement p {
  margin: 0.6rem 0 0;
  font-size: 0.74rem;
  font-weight: 700;
}

.example-disclaimer {
  grid-column: 1 / -1;
  margin: 0.1rem 0 0;
  color: var(--ink-muted);
  font-size: 0.65rem;
  text-align: center;
}

.route-section,
.capabilities,
.questions {
  padding-block: clamp(5rem, 10vw, 9rem);
  border-top: 1px solid var(--rule-strong);
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(260px, 0.75fr) minmax(260px, 1fr);
  gap: 2rem;
  align-items: end;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.section-heading h2,
.closing h2 {
  font-size: clamp(2.4rem, 5vw, 4.75rem);
}

.section-heading > p,
.section-heading--wide > p {
  max-width: 42rem;
  margin: 0;
  color: var(--ink-muted);
  font-size: 1rem;
}

.route-steps {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.route-steps::before {
  position: absolute;
  top: 27px;
  left: 5%;
  z-index: -1;
  width: 90%;
  height: 2px;
  background: linear-gradient(90deg, var(--blue), var(--blue) 62%, var(--mint) 62%);
  content: '';
}

.route-steps li {
  display: block;
  min-height: 190px;
  padding-right: clamp(1.3rem, 3vw, 3.5rem);
}

.route-steps li > div {
  margin-top: 1.35rem;
}

.route-number {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  border: 1px solid var(--ink);
  border-radius: 50%;
  background: var(--blue);
  color: white;
  font-size: 0.9rem;
  font-weight: 900;
}

.route-number--mint {
  background: var(--mint);
  color: #042b23;
}

.route-steps h3,
.capability-ledger h3 {
  margin: 0 0 0.55rem;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
}

.route-steps p,
.capability-ledger p {
  max-width: 31ch;
  margin: 0;
  color: var(--ink-muted);
  font-size: 0.87rem;
}

.section-heading--wide {
  grid-template-columns: minmax(320px, 1.1fr) minmax(260px, 0.9fr);
}

.capability-ledger {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.capability-ledger article {
  min-height: 230px;
  padding: 1.35rem;
  border: 1px solid var(--rule);
  border-radius: 14px;
  background: var(--paper-strong);
  transition: background 220ms ease, transform 220ms var(--ease-out);
}

.capability-ledger article:hover {
  background: var(--blue-soft);
  transform: translateY(-4px);
}

.capability-ledger svg {
  width: 34px;
  height: 34px;
  fill: none;
  stroke: var(--blue);
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.5;
}

.capability-ledger h3 { margin-top: 2.2rem; }
.capability-ledger p { max-width: 30ch; }

.questions {
  display: grid;
  grid-template-columns: minmax(280px, 0.7fr) minmax(360px, 1.3fr);
  gap: clamp(2rem, 7vw, 8rem);
}

.questions .section-heading {
  display: block;
  margin: 0;
}

.question-list {
  border-top: 1px solid var(--ink);
}

.question-list details {
  border-bottom: 1px solid var(--rule-strong);
}

.question-list summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  gap: 1rem;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 700;
  list-style: none;
}

.question-list summary::-webkit-details-marker { display: none; }
.question-list summary::after {
  flex: 0 0 auto;
  width: 1.7rem;
  height: 1.7rem;
  border: 1px solid var(--rule-strong);
  border-radius: 50%;
  content: '+';
  color: var(--blue);
  font-size: 1.3rem;
  font-weight: 500;
  line-height: 1.55rem;
  text-align: center;
}

.question-list details[open] summary::after { content: '−'; }
.question-list details p {
  max-width: 68ch;
  margin: -0.25rem 0 1.5rem;
  color: var(--ink-muted);
}

.closing {
  display: grid;
  grid-template-columns: auto minmax(280px, 1fr) auto;
  align-items: center;
  gap: clamp(1.4rem, 3vw, 2.5rem);
  margin-block: clamp(4rem, 8vw, 8rem);
  padding: clamp(1.8rem, 4vw, 3.2rem);
  border: 1px solid #0d775c;
  border-radius: 16px;
  background: var(--mint-soft);
}

.closing h2 { max-width: 15ch; font-size: clamp(2rem, 4.5vw, 4rem); }
.closing p { max-width: 52ch; margin: 0.8rem 0 0; color: #245d50; }

footer {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 1rem;
  min-height: 110px;
  border-top: 1px solid var(--rule-strong);
}

footer p {
  margin: 0;
  color: var(--ink-muted);
  font-size: 0.75rem;
}

footer > a:last-child { justify-self: end; }
.brand--footer { font-size: 1rem; }

@keyframes route-draw {
  from { stroke-dashoffset: 160; opacity: 0.08; }
  to { stroke-dashoffset: 0; opacity: 0.48; }
}

@media (max-width: 1100px) {
  .hero {
    grid-template-columns: minmax(280px, 0.8fr) minmax(480px, 1.2fr);
    gap: 2rem;
  }
  .month-map { min-height: 660px; }
  .capability-ledger { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 850px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .product-preview {
    max-width: 700px;
    margin-inline: auto;
  }
}

@media (max-width: 760px) {
  :root { --page-gutter: 1rem; }

  .site-header {
    grid-template-columns: 1fr auto;
    min-height: 66px;
  }

  .site-header nav { display: none; }
  .header-actions { gap: 0.5rem; }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 2.4rem;
  }

  .hero-copy h1 {
    max-width: 9ch;
    font-size: clamp(3.3rem, 15vw, 5rem);
  }

  .hero-copy > p:first-of-type { margin-top: 1.4rem; }
  .hero-actions { margin-top: 1.6rem; }
  .hero-note { margin-top: 1rem; }

  .product-preview {
    margin: 1.4rem 0 1rem;
    transform: none;
  }

  .product-preview::before { inset: -10px 18px 10px -10px; }

  .month-map {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto auto auto auto auto;
    min-height: 0;
    padding: 1rem;
  }

  .map-heading {
    align-items: start;
    flex-direction: column;
    padding-inline: 0.4rem;
  }

  .income-panel { align-self: stretch; }
  .income-title strong { font-size: 1.25rem; }

  .shared-month {
    grid-column: 1 / -1;
    grid-row: 3;
  }

  .shared-month ul {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 1rem;
  }

  .flow-lines { display: none; }
  .fair-split { grid-row: 4; }
  .settlement { grid-row: 5; }
  .example-disclaimer { grid-row: 6; }

  .section-heading,
  .section-heading--wide,
  .questions {
    grid-template-columns: 1fr;
  }

  .section-heading h2,
  .closing h2 {
    font-size: clamp(2.4rem, 11vw, 4rem);
  }

  .route-steps {
    grid-template-columns: 1fr;
  }

  .route-steps::before {
    top: 28px;
    bottom: 28px;
    left: 27px;
    width: 2px;
    height: auto;
    background: linear-gradient(var(--blue), var(--blue) 62%, var(--mint) 62%);
  }

  .route-steps li {
    display: grid;
    grid-template-columns: 56px 1fr;
    gap: 1rem;
    min-height: 150px;
    padding-right: 0;
  }

  .route-steps li > div { margin-top: 0; }
  .route-steps h3 { margin-top: 0.8rem; }

  .capability-ledger { grid-template-columns: 1fr 1fr; }

  .closing {
    grid-template-columns: auto 1fr;
  }

  .closing .button {
    grid-column: 1 / -1;
  }

  footer {
    grid-template-columns: 1fr auto;
    padding-block: 1.5rem;
  }

  footer p { display: none; }
}

@media (max-width: 520px) {
  .brand span { font-size: 1.05rem; }
  .brand img { width: 36px; height: 36px; }
  .language-switch { min-width: 54px; padding-inline: 0.6rem; }
  .header-app-link [data-i18n] { display: none; }
  .header-app-link { width: 44px; padding-inline: 0; }

  .month-map {
    display: block;
  }

  .map-heading,
  .income-panel,
  .shared-month,
  .fair-split,
  .settlement,
  .example-disclaimer {
    margin-bottom: 0.9rem;
  }

  .income-panel--alex { background: var(--blue-soft); }
  .income-panel--sam { background: var(--amber-soft); }
  .shared-month ul { display: block; }
  .settlement strong { font-size: 3rem; }
  .capability-ledger { grid-template-columns: 1fr; }
  .capability-ledger article { min-height: 0; }
  .questions { gap: 2.5rem; }
  .closing { grid-template-columns: 1fr; }
  .closing img { width: 50px; height: 50px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}