:root {
  --ink: #101a25;
  --ink-soft: #1a2938;
  --paper: #f4f3ed;
  --paper-warm: #e9e8df;
  --mint: #b9f27c;
  --coral: #ff7658;
  --sky: #addcf0;
  --muted: #91a1ad;
  --line: rgba(244, 243, 237, 0.15);
  --display: "Arial Rounded MT Bold", "Avenir Next", "Trebuchet MS", sans-serif;
  --body: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--body);
  -webkit-font-smoothing: antialiased;
}

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

a:focus-visible {
  outline: 3px solid var(--coral);
  outline-offset: 5px;
}

.site-shell {
  min-height: 100vh;
  overflow: hidden;
}

.site-header,
.hero,
.method,
.download,
.site-footer {
  width: min(1180px, calc(100% - 64px));
  margin-inline: auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 96px;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--display);
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -0.04em;
}

.brand-mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 10px;
  background: var(--mint);
  color: var(--ink);
  transform: rotate(-7deg);
}

.brand-mark svg {
  width: 26px;
  height: 26px;
  fill: currentColor;
}

.brand-mark circle {
  fill: var(--coral);
}

.header-nav {
  display: flex;
  gap: 34px;
  margin-left: 100px;
  color: var(--muted);
  font-size: 0.78rem;
  letter-spacing: 0.02em;
}

.header-nav a,
.header-link {
  transition: color 180ms ease;
}

.header-nav a:hover,
.header-link:hover {
  color: var(--mint);
}

.header-link {
  color: var(--mint);
  font-size: 0.78rem;
  font-weight: 700;
}

.header-link span,
.button span {
  display: inline-block;
  margin-left: 7px;
  font-size: 1rem;
  transition: transform 180ms ease;
}

.header-link:hover span,
.button:hover span {
  transform: translate(2px, -2px);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(420px, 1.08fr);
  gap: clamp(40px, 8vw, 118px);
  align-items: center;
  min-height: 690px;
  padding-block: 74px 92px;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 25px;
  color: var(--mint);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.eyebrow-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--coral);
  box-shadow: 0 0 0 4px rgba(255, 118, 88, 0.15);
}

h1,
h2,
p {
  margin-top: 0;
}

h1,
h2 {
  font-family: var(--display);
  font-weight: 800;
  letter-spacing: -0.075em;
}

h1 {
  max-width: 680px;
  margin-bottom: 30px;
  font-size: clamp(3.45rem, 6.4vw, 6.2rem);
  line-height: 0.93;
}

h1 em,
h2 em {
  color: var(--mint);
  font-style: normal;
}

.hero-lede {
  max-width: 440px;
  margin-bottom: 31px;
  color: #b9c5cb;
  font-size: 0.98rem;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 11px;
}

.button {
  display: inline-flex;
  align-items: center;
  min-height: 50px;
  padding: 0 21px;
  border: 1px solid transparent;
  border-radius: 7px;
  font-size: 0.78rem;
  font-weight: 800;
  transition: transform 180ms ease, background 180ms ease, color 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  background: var(--mint);
  color: var(--ink);
}

.button-primary:hover {
  background: #d2ff9e;
}

.button-quiet {
  border-color: rgba(244, 243, 237, 0.23);
  color: var(--paper);
}

.button-quiet:hover {
  border-color: var(--paper);
  background: rgba(244, 243, 237, 0.08);
}

.action-note {
  margin: 13px 0 0;
  color: #9cacb3;
  font-size: 0.67rem;
}

.hero-stats {
  display: flex;
  gap: 31px;
  margin-top: 68px;
}

.hero-stats > div {
  display: flex;
  gap: 11px;
  align-items: flex-start;
}

.hero-stats strong {
  color: var(--coral);
  font-family: var(--display);
  font-size: 0.78rem;
}

.hero-stats span {
  color: #82939f;
  font-size: 0.65rem;
  line-height: 1.35;
}

.hero-visual {
  position: relative;
  min-height: 525px;
  isolation: isolate;
}

.hero-visual::before {
  position: absolute;
  inset: 11% 5% 7% 9%;
  z-index: -2;
  border: 1px solid rgba(173, 220, 240, 0.24);
  border-radius: 50%;
  content: "";
  transform: rotate(-24deg) scaleY(0.66);
}

.hero-visual::after {
  position: absolute;
  top: 8%;
  right: 3%;
  z-index: -2;
  width: 66px;
  height: 66px;
  border-radius: 50%;
  background: var(--coral);
  content: "";
  opacity: 0.9;
}

.visual-orbit {
  position: absolute;
  z-index: -1;
  border: 1px solid rgba(185, 242, 124, 0.45);
  border-radius: 50%;
  transform: rotate(38deg) scaleY(0.4);
}

.visual-orbit-large {
  inset: 4% -7% 9% 3%;
}

.visual-orbit-small {
  inset: 21% 19% 18% 24%;
  border-color: rgba(255, 118, 88, 0.58);
  transform: rotate(-53deg) scaleY(0.45);
}

.visual-label {
  position: absolute;
  color: var(--sky);
  font-size: 0.63rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.visual-label span {
  color: var(--coral);
}

.visual-label-top {
  top: 2%;
  left: 14%;
  transform: rotate(-8deg);
}

.visual-label-bottom {
  right: 4%;
  bottom: 1%;
  transform: rotate(8deg);
}

.practice-card {
  position: absolute;
  top: 8%;
  left: 12%;
  width: min(370px, 75%);
  padding: 24px;
  border: 1px solid rgba(244, 243, 237, 0.1);
  border-radius: 18px;
  background: var(--paper);
  box-shadow: 20px 25px 70px rgba(0, 0, 0, 0.32);
  color: var(--ink);
  transform: rotate(-4deg);
}

.practice-card-top,
.practice-count,
.answer-row,
.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-kicker,
.card-menu,
.practice-count,
.card-footer {
  font-size: 0.62rem;
}

.card-kicker {
  color: #6e7d85;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.card-menu {
  color: #6b7a7f;
  letter-spacing: 0.1em;
}

.practice-progress {
  height: 5px;
  margin-top: 22px;
  overflow: hidden;
  border-radius: 5px;
  background: #d9ddd7;
}

.practice-progress span {
  display: block;
  width: 58%;
  height: 100%;
  border-radius: inherit;
  background: var(--coral);
}

.practice-count {
  margin: 13px 0 24px;
  color: var(--ink);
  font-weight: 800;
}

.practice-count span {
  color: #62747a;
  font-weight: 500;
}

.formula {
  display: flex;
  align-items: center;
  gap: 13px;
  margin-bottom: 14px;
  font-family: Georgia, serif;
  font-size: 1.75rem;
  letter-spacing: -0.07em;
}

.formula b {
  color: #b5bfbe;
  font-family: var(--body);
  font-size: 1rem;
  font-weight: 400;
}

.formula-accent {
  color: #0f716c;
}

.practice-question {
  max-width: 220px;
  margin-bottom: 19px;
  color: #66767d;
  font-size: 0.72rem;
  line-height: 1.45;
}

.answer-row {
  min-height: 37px;
  margin-top: 7px;
  padding: 0 13px;
  border: 1px solid #d8ddd7;
  border-radius: 7px;
  font-size: 0.76rem;
  font-weight: 800;
}

.answer-number {
  color: #43545b;
}

.answer-check {
  color: #198e76;
  font-size: 1rem;
}

.answer-row-muted {
  color: #687974;
}

.answer-empty {
  width: 13px;
  height: 13px;
  border: 1px solid #c8d0cb;
  border-radius: 50%;
}

.card-footer {
  margin-top: 19px;
  color: #148c79;
  font-weight: 800;
}

.card-footer span {
  font-size: 1rem;
}

.insight-card {
  position: absolute;
  right: 1%;
  bottom: 13%;
  display: flex;
  align-items: center;
  gap: 12px;
  width: 222px;
  padding: 15px;
  border: 1px solid rgba(244, 243, 237, 0.12);
  border-radius: 12px;
  background: var(--ink-soft);
  box-shadow: 12px 18px 35px rgba(0, 0, 0, 0.22);
  transform: rotate(5deg);
}

.insight-icon {
  display: grid;
  width: 33px;
  height: 33px;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 9px;
  background: var(--mint);
  color: var(--ink);
  font-weight: 900;
}

.insight-label {
  display: block;
  margin-bottom: 3px;
  color: #91a1ad;
  font-size: 0.57rem;
}

.insight-card strong {
  color: var(--paper);
  font-family: var(--display);
  font-size: 1.18rem;
  letter-spacing: -0.05em;
}

.mini-chart {
  width: 48px;
  height: 30px;
  margin-left: auto;
  overflow: visible;
}

.mini-chart path {
  fill: none;
  stroke: var(--coral);
  stroke-linecap: round;
  stroke-width: 3;
}

.method {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: clamp(40px, 10vw, 155px);
  padding-block: 90px 125px;
  border-top: 1px solid var(--line);
}

h2 {
  margin-bottom: 0;
  font-size: clamp(2.7rem, 5.2vw, 5.3rem);
  line-height: 0.96;
}

.method-copy > p {
  max-width: 470px;
  margin: 41px 0 45px;
  color: #aebcc1;
  font-size: 1.05rem;
  line-height: 1.65;
}

.feature-list {
  border-top: 1px solid var(--line);
}

.feature-item {
  display: grid;
  grid-template-columns: 38px 1fr;
  gap: 17px;
  padding: 19px 0;
  border-bottom: 1px solid var(--line);
}

.feature-number {
  display: grid;
  width: 27px;
  height: 27px;
  place-items: center;
  border: 1px solid #52636e;
  border-radius: 50%;
  color: var(--mint);
  font-family: Georgia, serif;
  font-size: 0.8rem;
}

.feature-item strong {
  display: block;
  margin-bottom: 5px;
  color: var(--paper);
  font-size: 0.82rem;
}

.feature-item p {
  margin: 0;
  color: #7f929e;
  font-size: 0.75rem;
  line-height: 1.5;
}

.download {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 70px;
  padding: 77px 73px 82px;
  border-radius: 4px;
  background: var(--paper);
  color: var(--ink);
}

.eyebrow-dark {
  color: #0f716c;
}

.download h2 em {
  color: #16857d;
}

.download-intro > p:last-child {
  max-width: 270px;
  margin: 26px 0 0;
  color: #52656b;
  font-size: 0.84rem;
  line-height: 1.6;
}

.download-options {
  display: grid;
  gap: 12px;
  align-content: center;
}

.download-card {
  display: grid;
  grid-template-columns: 45px 1fr auto;
  gap: 14px;
  align-items: center;
  min-height: 93px;
  padding: 16px 19px;
  border: 1px solid #d8d9d2;
  border-radius: 9px;
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.download-card:hover {
  box-shadow: 0 12px 22px rgba(16, 26, 37, 0.1);
  transform: translateX(4px);
}

.download-card-apk {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--paper);
}

.download-card-icon {
  display: grid;
  width: 41px;
  height: 41px;
  place-items: center;
  border-radius: 50%;
  background: var(--mint);
  color: var(--ink);
  font-size: 1.2rem;
  font-weight: 800;
}

.download-card-web .download-card-icon {
  background: var(--sky);
}

.download-card-text strong,
.download-card-text small {
  display: block;
}

.download-card-text strong {
  margin-bottom: 6px;
  font-size: 0.83rem;
}

.download-card-text small {
  color: #5d6c71;
  font-size: 0.67rem;
}

.download-card-apk .download-card-text small {
  color: #91a1ad;
}

.download-card-arrow {
  color: #76858a;
  font-size: 1.3rem;
  transition: transform 180ms ease;
}

.download-card:hover .download-card-arrow {
  transform: translateX(4px);
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 154px;
  color: #768793;
}

.brand-footer {
  color: var(--paper);
  font-size: 0.92rem;
}

.brand-footer .brand-mark {
  width: 28px;
  height: 28px;
  border-radius: 8px;
}

.brand-footer .brand-mark svg {
  width: 21px;
  height: 21px;
}

.site-footer p,
.footer-mark {
  margin: 0;
  font-size: 0.68rem;
}

.footer-mark {
  color: #8ba0a8;
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    padding-top: 65px;
  }

  .hero-copy {
    max-width: 700px;
  }

  .hero-visual {
    width: min(620px, 100%);
    margin-inline: auto;
  }

  .method,
  .download {
    grid-template-columns: 1fr;
  }

  .method {
    gap: 20px;
  }

  .download {
    gap: 38px;
  }
}

@media (max-width: 620px) {
  .site-header,
  .hero,
  .method,
  .download,
  .site-footer {
    width: min(100% - 38px, 1180px);
  }

  .site-header {
    min-height: 76px;
  }

  .header-nav {
    display: none;
  }

  .header-link {
    font-size: 0.68rem;
  }

  .hero {
    min-height: auto;
    padding-block: 65px 82px;
  }

  h1 {
    font-size: clamp(3.2rem, 15vw, 4.6rem);
  }

  .hero-lede {
    font-size: 0.9rem;
  }

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

  .button {
    justify-content: center;
  }

  .hero-stats {
    gap: 15px;
    justify-content: space-between;
    margin-top: 53px;
  }

  .hero-stats > div {
    gap: 7px;
  }

  .hero-stats span {
    font-size: 0.57rem;
  }

  .hero-visual {
    min-height: 420px;
    margin-top: 13px;
  }

  .practice-card {
    top: 7%;
    left: 4%;
    width: 79%;
    padding: 17px;
  }

  .formula {
    gap: 8px;
    font-size: 1.35rem;
  }

  .insight-card {
    right: 0;
    bottom: 11%;
    width: 195px;
    padding: 11px;
  }

  .visual-label-top {
    left: 9%;
  }

  .visual-label-bottom {
    right: 0;
    font-size: 0.55rem;
  }

  .method {
    padding-block: 72px 92px;
  }

  .method-copy > p {
    margin-top: 32px;
    font-size: 0.93rem;
  }

  .download {
    width: calc(100% - 20px);
    padding: 53px 25px 55px;
  }

  .site-footer {
    min-height: 130px;
    flex-wrap: wrap;
    gap: 10px;
    padding-block: 25px;
  }

  .site-footer p {
    order: 3;
    width: 100%;
  }
}

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

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}