@font-face {
  font-family: "Instrument Sans";
  src: url("../fonts/instrument-sans-latin.woff2") format("woff2");
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
}

@font-face {
  font-family: "DM Mono";
  src: url("../fonts/dm-mono-500-latin.woff2") format("woff2");
  font-style: normal;
  font-weight: 500;
  font-display: swap;
}

:root {
  --paper: #f4f5ef;
  --paper-bright: #fbfcf7;
  --ink: #151915;
  --muted: #636b63;
  --line: rgba(21, 25, 21, 0.16);
  --lime: #d4ff65;
  --deep: #171b18;
  --deep-soft: #222822;
  --white: #f8faf3;
  --header-height: 76px;
  --page: min(1320px, calc(100vw - 80px));
  color-scheme: light;
  font-family:
    "Instrument Sans",
    "PingFang TC",
    "Hiragino Sans",
    "Apple SD Gothic Neo",
    system-ui,
    sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

html[data-persona="parents"] {
  --persona-wash: #f0d9a7;
  --persona-ink: #5c3d18;
}

html[data-persona="students"] {
  --persona-wash: #d4ff65;
  --persona-ink: #38540a;
}

html[data-persona="creators"] {
  --persona-wash: #9edfff;
  --persona-ink: #154f6a;
}

* {
  box-sizing: border-box;
}

html {
  overflow-x: clip;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: clip;
  background: var(--paper);
  color: var(--ink);
}

body::before {
  position: fixed;
  z-index: 100;
  inset: 0;
  border: 8px solid var(--ink);
  pointer-events: none;
  content: "";
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select {
  color: inherit;
  font: inherit;
}

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

.skip-link {
  position: fixed;
  z-index: 120;
  top: 14px;
  left: 50%;
  padding: 12px 18px;
  border: 2px solid var(--ink);
  background: var(--lime);
  transform: translate(-50%, -180%);
  transition: transform 180ms ease;
}

.skip-link:focus {
  transform: translate(-50%, 0);
}

.scroll-progress {
  position: fixed;
  z-index: 110;
  top: 0;
  left: 8px;
  width: calc(100% - 16px);
  height: 4px;
  background: transparent;
  pointer-events: none;
}

.scroll-progress i {
  display: block;
  width: 100%;
  height: 100%;
  background: var(--lime);
  transform: scaleX(0);
  transform-origin: left;
}

.persona-header {
  position: fixed;
  z-index: 90;
  top: 8px;
  right: 8px;
  left: 8px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: calc(var(--header-height) - 8px);
  padding: 0 max(28px, calc((100vw - 1320px) / 2));
  border-bottom: 1px solid rgba(248, 250, 243, 0.15);
  background: rgba(23, 27, 24, 0.94);
  color: var(--white);
  backdrop-filter: blur(18px);
}

.wordmark {
  display: inline-flex;
  align-items: baseline;
  font-size: 1.06rem;
  font-weight: 700;
  letter-spacing: -0.045em;
}

.wordmark b {
  color: var(--lime);
}

.persona-header__actions {
  display: flex;
  align-items: center;
  gap: 28px;
}

.persona-header__actions > span,
.text-link,
.eyebrow,
.hero-index,
.section-marker,
.conversion-board > p:first-child,
.allowance-demo__header,
.allowance-demo__total > span,
.allowance-demo > p,
.final-ticket > span,
.final-ticket > small {
  font-family: "DM Mono", monospace;
  font-size: 0.69rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.persona-header__actions > span {
  color: rgba(248, 250, 243, 0.62);
}

.text-link {
  position: relative;
  padding: 10px 0;
}

.text-link::after {
  position: absolute;
  right: 0;
  bottom: 4px;
  left: 0;
  height: 1px;
  background: var(--lime);
  content: "";
  transform: scaleX(0.25);
  transform-origin: right;
  transition: transform 240ms ease;
}

.text-link:hover::after,
.text-link:focus-visible::after {
  transform: scaleX(1);
  transform-origin: left;
}

.persona-hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(360px, 0.82fr);
  gap: clamp(50px, 8vw, 130px);
  align-items: center;
  min-height: 100svh;
  padding: calc(var(--header-height) + 86px) max(40px, calc((100vw - 1320px) / 2)) 90px;
  background:
    linear-gradient(rgba(21, 25, 21, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(21, 25, 21, 0.045) 1px, transparent 1px),
    radial-gradient(circle at 78% 30%, color-mix(in srgb, var(--persona-wash) 38%, transparent), transparent 34%),
    var(--paper);
  background-size: 72px 72px, 72px 72px, auto, auto;
}

.persona-hero::after {
  position: absolute;
  right: 7vw;
  bottom: 6vh;
  width: min(40vw, 580px);
  aspect-ratio: 1;
  border: 1px solid rgba(21, 25, 21, 0.18);
  border-radius: 50%;
  pointer-events: none;
  content: "";
}

.persona-hero__copy,
.conversion-board {
  position: relative;
  z-index: 1;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 24px;
  color: var(--persona-ink);
}

.eyebrow::before {
  width: 30px;
  height: 1px;
  background: currentColor;
  content: "";
}

.persona-hero h1 {
  max-width: 920px;
  margin: 0;
  font-size: clamp(4.5rem, 8.2vw, 9rem);
  font-weight: 540;
  letter-spacing: -0.085em;
  line-height: 0.84;
}

.persona-promise {
  max-width: 680px;
  margin: 42px 0 0;
  font-size: clamp(1.35rem, 2.1vw, 2.25rem);
  letter-spacing: -0.035em;
  line-height: 1.15;
}

.persona-actions {
  display: flex;
  align-items: center;
  gap: 22px;
  margin-top: 38px;
}

.primary-button {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  min-width: 250px;
  padding: 17px 20px 17px 24px;
  border: 2px solid var(--ink);
  border-radius: 999px;
  background: var(--ink);
  color: var(--white);
  font-weight: 650;
  transition: background 180ms ease, color 180ms ease, transform 180ms ease;
}

.primary-button span {
  display: grid;
  width: 30px;
  height: 30px;
  place-items: center;
  border-radius: 50%;
  background: var(--lime);
  color: var(--ink);
}

.primary-button:hover,
.primary-button:focus-visible {
  background: var(--lime);
  color: var(--ink);
  transform: translateY(-2px);
}

.persona-actions > span {
  max-width: 130px;
  color: var(--muted);
  font-family: "DM Mono", monospace;
  font-size: 0.66rem;
  line-height: 1.5;
  text-transform: uppercase;
}

.conversion-board {
  overflow: hidden;
  border: 2px solid var(--ink);
  background: var(--deep);
  color: var(--white);
  box-shadow: 20px 20px 0 color-mix(in srgb, var(--persona-wash) 60%, transparent);
}

.conversion-board > p {
  margin: 0;
  padding: 22px 24px;
}

.conversion-board > p:first-child {
  border-bottom: 1px solid rgba(248, 250, 243, 0.2);
  color: var(--lime);
}

.conversion-board > p:last-child {
  border-top: 1px solid rgba(248, 250, 243, 0.2);
  color: rgba(248, 250, 243, 0.72);
  font-size: 1rem;
  line-height: 1.5;
}

.conversion-board__row {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  min-height: 330px;
}

.conversion-board__row > div {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
  height: 100%;
  padding: 26px;
  text-align: center;
  flex-direction: column;
}

.conversion-board__row > div + div {
  border-left: 1px solid rgba(248, 250, 243, 0.14);
}

.conversion-board__row strong {
  font-size: clamp(3.4rem, 5vw, 6rem);
  font-weight: 520;
  letter-spacing: -0.075em;
  line-height: 0.9;
}

.conversion-board__row span {
  max-width: 140px;
  margin-top: 18px;
  color: rgba(248, 250, 243, 0.62);
  font-family: "DM Mono", monospace;
  font-size: 0.64rem;
  letter-spacing: 0.08em;
  line-height: 1.45;
  text-transform: uppercase;
}

.conversion-board__row i {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid rgba(248, 250, 243, 0.28);
  border-radius: 50%;
  color: var(--lime);
  font-style: normal;
}

.hero-index {
  position: absolute;
  right: max(40px, calc((100vw - 1320px) / 2));
  bottom: 28px;
  left: max(40px, calc((100vw - 1320px) / 2));
  display: flex;
  justify-content: space-between;
  color: var(--muted);
}

.section-grid {
  display: grid;
  grid-template-columns: 80px minmax(0, 1.2fr) minmax(300px, 0.8fr);
  gap: clamp(30px, 5vw, 80px);
}

.persona-tension {
  padding: 170px max(40px, calc((100vw - 1320px) / 2));
  border-top: 1px solid var(--line);
}

.section-marker {
  padding-top: 9px;
  color: var(--muted);
}

.section-heading h2,
.mechanism-copy h2,
.persona-final h2 {
  margin: 0;
  font-size: clamp(3rem, 5.4vw, 6.2rem);
  font-weight: 540;
  letter-spacing: -0.075em;
  line-height: 0.92;
}

.section-body,
.mechanism-copy > div > p,
.persona-final__copy > p:last-child {
  align-self: end;
  margin: 0;
  color: var(--muted);
  font-size: clamp(1.05rem, 1.45vw, 1.35rem);
  line-height: 1.55;
}

.persona-mechanism {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.65fr);
  gap: clamp(60px, 10vw, 150px);
  align-items: center;
  padding: 150px max(40px, calc((100vw - 1320px) / 2));
  background:
    linear-gradient(rgba(248, 250, 243, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(248, 250, 243, 0.04) 1px, transparent 1px),
    var(--deep);
  background-size: 72px 72px;
  color: var(--white);
}

.mechanism-copy > div > p {
  max-width: 760px;
  margin-top: 28px;
  color: rgba(248, 250, 243, 0.66);
}

.mechanism-copy .eyebrow {
  color: var(--lime);
}

.mechanism-steps {
  padding: 0;
  margin: 70px 0 0;
  list-style: none;
}

.mechanism-steps li {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 18px;
  padding: 23px 0;
  border-top: 1px solid rgba(248, 250, 243, 0.16);
}

.mechanism-steps li:last-child {
  border-bottom: 1px solid rgba(248, 250, 243, 0.16);
}

.mechanism-steps li > span {
  color: var(--lime);
  font-family: "DM Mono", monospace;
  font-size: 0.68rem;
}

.mechanism-steps b {
  display: block;
  font-size: 1.18rem;
}

.mechanism-steps p {
  max-width: 680px;
  margin: 6px 0 0;
  color: rgba(248, 250, 243, 0.6);
  line-height: 1.45;
}

.allowance-demo {
  overflow: hidden;
  border: 2px solid var(--white);
  background: var(--paper);
  color: var(--ink);
  box-shadow: 18px 18px 0 var(--lime);
}

.allowance-demo__header {
  display: flex;
  justify-content: space-between;
  padding: 20px;
  border-bottom: 1px solid var(--ink);
}

.allowance-demo__total {
  display: flex;
  align-items: end;
  justify-content: space-between;
  padding: 38px 20px 24px;
}

.allowance-demo__total strong {
  font-size: clamp(4rem, 6vw, 6rem);
  font-weight: 520;
  letter-spacing: -0.08em;
  line-height: 0.8;
}

.allowance-demo__meter {
  height: 20px;
  margin: 0 20px 28px;
  border: 1px solid var(--ink);
  background: rgba(21, 25, 21, 0.08);
}

.allowance-demo__meter i {
  display: block;
  width: 58%;
  height: 100%;
  background: var(--lime);
}

.allowance-demo ul {
  padding: 0;
  margin: 0;
  border-top: 1px solid var(--ink);
  list-style: none;
}

.allowance-demo li {
  display: flex;
  justify-content: space-between;
  padding: 17px 20px;
  border-bottom: 1px solid var(--line);
}

.allowance-demo li b {
  font-family: "DM Mono", monospace;
  font-size: 0.76rem;
}

.allowance-demo > p {
  margin: 0;
  padding: 20px;
  color: var(--muted);
}

.persona-outcomes {
  padding: 160px max(40px, calc((100vw - 1320px) / 2));
}

.outcomes-heading {
  grid-template-columns: 80px minmax(0, 1fr);
}

.outcomes-heading .section-heading {
  max-width: 900px;
}

.outcome-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 90px;
  border-top: 1px solid var(--ink);
  border-left: 1px solid var(--ink);
}

.outcome-card {
  min-height: 350px;
  padding: 28px;
  border-right: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  transition: background 220ms ease, transform 220ms ease;
}

.outcome-card:hover {
  background: color-mix(in srgb, var(--persona-wash) 42%, var(--paper));
  transform: translateY(-6px);
}

.outcome-card > span {
  color: var(--muted);
  font-family: "DM Mono", monospace;
  font-size: 0.7rem;
}

.outcome-card h3 {
  max-width: 320px;
  margin: 105px 0 16px;
  font-size: clamp(1.8rem, 2.7vw, 3rem);
  font-weight: 540;
  letter-spacing: -0.055em;
  line-height: 1;
}

.outcome-card p {
  max-width: 360px;
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
}

.persona-final {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(380px, 0.65fr);
  gap: clamp(60px, 9vw, 140px);
  align-items: center;
  padding: 150px max(40px, calc((100vw - 1320px) / 2));
  background: var(--persona-wash);
}

.persona-final__copy .eyebrow {
  color: var(--persona-ink);
}

.persona-final__copy > p:last-child {
  max-width: 680px;
  margin-top: 30px;
  color: color-mix(in srgb, var(--ink) 68%, var(--persona-ink));
}

.final-ticket {
  display: grid;
  grid-template-columns: 1fr auto;
  min-height: 350px;
  padding: 26px;
  border: 2px solid var(--ink);
  background: var(--paper-bright);
  transition: box-shadow 200ms ease, transform 200ms ease;
}

.final-ticket:hover,
.final-ticket:focus-visible {
  box-shadow: 14px 14px 0 var(--ink);
  transform: translate(-5px, -5px);
}

.final-ticket > span {
  align-self: start;
}

.final-ticket > strong {
  grid-column: 1 / -1;
  align-self: end;
  max-width: 360px;
  font-size: clamp(2.6rem, 4vw, 4.5rem);
  font-weight: 540;
  letter-spacing: -0.065em;
  line-height: 0.92;
}

.final-ticket > i {
  grid-row: 1;
  grid-column: 2;
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border-radius: 50%;
  background: var(--ink);
  color: var(--lime);
  font-style: normal;
}

.final-ticket > small {
  grid-column: 1 / -1;
  align-self: end;
  margin-top: 24px;
  color: var(--muted);
  line-height: 1.5;
}

.persona-footer {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 30px;
  align-items: center;
  padding: 48px max(40px, calc((100vw - 1320px) / 2));
  background: var(--deep);
  color: var(--white);
}

.persona-footer p {
  margin: 0;
  color: rgba(248, 250, 243, 0.6);
  text-align: center;
}

.persona-footer > div {
  display: flex;
  gap: 20px;
  color: rgba(248, 250, 243, 0.65);
  font-family: "DM Mono", monospace;
  font-size: 0.66rem;
  text-transform: uppercase;
}

.noscript-message {
  position: fixed;
  z-index: 130;
  right: 18px;
  bottom: 18px;
  left: 18px;
  padding: 16px 20px;
  border: 2px solid var(--ink);
  background: var(--lime);
  text-align: center;
}

.noscript-message a {
  text-decoration: underline;
}

.has-motion [data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 650ms cubic-bezier(0.22, 1, 0.36, 1),
    transform 650ms cubic-bezier(0.22, 1, 0.36, 1);
}

.has-motion [data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

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

@media (max-width: 1040px) {
  :root {
    --page: calc(100vw - 48px);
  }

  .persona-hero {
    grid-template-columns: 1fr;
    gap: 70px;
    padding-inline: 32px;
  }

  .persona-hero__copy {
    max-width: 900px;
  }

  .conversion-board {
    max-width: 720px;
  }

  .section-grid {
    grid-template-columns: 60px 1fr;
  }

  .section-body {
    grid-column: 2;
    max-width: 720px;
  }

  .persona-mechanism,
  .persona-final {
    grid-template-columns: 1fr;
  }

  .allowance-demo,
  .final-ticket {
    max-width: 720px;
  }
}

@media (max-width: 720px) {
  :root {
    --header-height: 68px;
  }

  body::before {
    border-width: 5px;
  }

  .persona-header {
    top: 5px;
    right: 5px;
    left: 5px;
    height: calc(var(--header-height) - 5px);
    padding: 0 16px;
  }

  .persona-header__actions > span {
    display: none;
  }

  .text-link {
    font-size: 0.59rem;
  }

  .persona-hero {
    min-height: auto;
    padding: calc(var(--header-height) + 62px) 20px 86px;
    background-size: 54px 54px, 54px 54px, auto, auto;
  }

  .persona-hero::after {
    right: -38vw;
    bottom: 8vh;
    width: 110vw;
  }

  .persona-hero h1 {
    font-size: clamp(3.7rem, 16.5vw, 5.6rem);
    letter-spacing: -0.075em;
    line-height: 0.87;
  }

  .persona-promise {
    margin-top: 28px;
    font-size: 1.4rem;
  }

  .persona-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .primary-button {
    width: 100%;
  }

  .persona-actions > span {
    max-width: none;
  }

  .conversion-board {
    box-shadow: 9px 9px 0 color-mix(in srgb, var(--persona-wash) 60%, transparent);
  }

  .conversion-board__row {
    min-height: 230px;
  }

  .conversion-board__row > div {
    padding: 14px;
  }

  .conversion-board__row strong {
    font-size: 3.3rem;
  }

  .conversion-board__row span {
    max-width: 100px;
    font-size: 0.55rem;
  }

  .conversion-board__row i {
    width: 32px;
    height: 32px;
  }

  .hero-index {
    right: 20px;
    bottom: 24px;
    left: 20px;
    font-size: 0.55rem;
  }

  .persona-tension,
  .persona-mechanism,
  .persona-outcomes,
  .persona-final {
    padding: 96px 20px;
  }

  .section-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .section-marker {
    display: none;
  }

  .section-body {
    grid-column: auto;
  }

  .section-heading h2,
  .mechanism-copy h2,
  .persona-final h2 {
    font-size: clamp(3.2rem, 14vw, 4.6rem);
  }

  .persona-mechanism {
    gap: 64px;
    background-size: 54px 54px;
  }

  .mechanism-steps {
    margin-top: 50px;
  }

  .allowance-demo {
    box-shadow: 9px 9px 0 var(--lime);
  }

  .allowance-demo__total strong {
    font-size: 3.7rem;
  }

  .outcomes-heading {
    display: block;
  }

  .outcome-grid {
    grid-template-columns: 1fr;
    margin-top: 56px;
  }

  .outcome-card {
    min-height: 280px;
  }

  .outcome-card h3 {
    margin-top: 74px;
  }

  .persona-final {
    gap: 56px;
  }

  .final-ticket {
    min-height: 320px;
  }

  .persona-footer {
    grid-template-columns: 1fr;
    padding: 42px 20px;
  }

  .persona-footer p {
    text-align: left;
  }

  .persona-footer > div {
    flex-wrap: wrap;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}