:root {
  --ink: #101733;
  --ink-soft: #44506f;
  --navy: #111a3f;
  --navy-deep: #090f29;
  --surface: #ffffff;
  --surface-soft: #f5f7ff;
  --surface-tint: #edf1ff;
  --purple: #6c5ce7;
  --purple-dark: #5141ca;
  --purple-soft: #e9e5ff;
  --cyan: #51d2cf;
  --cyan-soft: #daf7f5;
  --amber: #ffbd59;
  --amber-dark: #ef9e25;
  --line: #dfe4f3;
  --success: #19795d;
  --danger: #a33343;
  --shadow-sm: 0 8px 24px rgba(17, 26, 63, 0.08);
  --shadow-md: 0 18px 50px rgba(17, 26, 63, 0.14);
  --shadow-lg: 0 30px 80px rgba(9, 15, 41, 0.22);
  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 30px;
  --container: 1160px;
  --header-height: 76px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 20px);
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background: var(--surface);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

body.menu-open {
  overflow: hidden;
}

img,
video {
  display: block;
  max-width: 100%;
}

img {
  height: auto;
}

a {
  color: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

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

button {
  color: inherit;
}

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

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 1000;
  transform: translateY(-150%);
  padding: 10px 16px;
  border-radius: 10px;
  color: var(--navy-deep);
  background: var(--amber);
  font-weight: 800;
  text-decoration: none;
  transition: transform 160ms ease;
}

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

.container {
  width: min(calc(100% - 40px), var(--container));
  margin-inline: auto;
}

.narrow {
  width: min(calc(100% - 40px), 820px);
  margin-inline: auto;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 14px;
  color: var(--purple-dark);
  font-size: 0.78rem;
  font-weight: 850;
  letter-spacing: 0.12em;
  line-height: 1.2;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 22px;
  height: 3px;
  border-radius: 99px;
  background: var(--cyan);
  content: "";
}

.eyebrow.on-dark {
  color: #c9c1ff;
}

.display-title,
.section-title,
.page-title,
.article-title {
  margin: 0;
  color: var(--ink);
  font-weight: 900;
  letter-spacing: -0.035em;
  line-height: 1.08;
}

.display-title {
  max-width: 720px;
  color: #ffffff;
  font-size: clamp(2.6rem, 6vw, 5.25rem);
}

.section-title {
  font-size: clamp(2rem, 4vw, 3.4rem);
}

.page-title {
  max-width: 850px;
  color: #ffffff;
  font-size: clamp(2.5rem, 5vw, 4.6rem);
}

.article-title {
  font-size: clamp(2.35rem, 5vw, 4.5rem);
}

.section-lead,
.page-lead {
  max-width: 720px;
  margin: 18px 0 0;
  color: var(--ink-soft);
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  line-height: 1.7;
}

.page-lead {
  color: #dfe3f6;
}

.section-heading {
  margin-bottom: 42px;
}

.section-heading.centered {
  max-width: 780px;
  margin-inline: auto;
  text-align: center;
}

.section-heading.centered .section-lead {
  margin-inline: auto;
}

.section {
  padding-block: clamp(72px, 9vw, 120px);
}

.section.soft {
  background: var(--surface-soft);
}

.section.tint {
  background: var(--surface-tint);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  min-height: var(--header-height);
  border-bottom: 1px solid rgba(223, 228, 243, 0.8);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(18px);
}

.header-inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-height);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  font-size: 1.15rem;
  font-weight: 900;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.brand img {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  box-shadow: 0 7px 18px rgba(108, 92, 231, 0.24);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.site-nav a {
  color: #303a59;
  font-size: 0.93rem;
  font-weight: 700;
  text-decoration: none;
}

.site-nav a:not(.button):hover {
  color: var(--purple-dark);
}

.site-nav a[aria-current="page"] {
  color: var(--purple-dark);
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: var(--surface);
  cursor: pointer;
}

.nav-toggle-lines,
.nav-toggle-lines::before,
.nav-toggle-lines::after {
  display: block;
  width: 22px;
  height: 2px;
  border-radius: 99px;
  background: var(--ink);
  content: "";
  transition: transform 180ms ease, opacity 180ms ease;
}

.nav-toggle-lines {
  position: relative;
}

.nav-toggle-lines::before {
  position: absolute;
  top: -7px;
}

.nav-toggle-lines::after {
  position: absolute;
  top: 7px;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-lines {
  background: transparent;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-lines::before {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-lines::after {
  transform: translateY(-7px) rotate(-45deg);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 48px;
  padding: 12px 20px;
  border: 1px solid transparent;
  border-radius: 14px;
  font-weight: 850;
  line-height: 1.2;
  text-decoration: none;
  transition:
    transform 160ms ease,
    box-shadow 160ms ease,
    background-color 160ms ease;
}

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

.button.primary {
  color: #ffffff;
  background: var(--purple);
  box-shadow: 0 12px 28px rgba(108, 92, 231, 0.28);
}

.button.primary:hover {
  background: var(--purple-dark);
  box-shadow: 0 16px 34px rgba(81, 65, 202, 0.3);
}

.button.secondary {
  border-color: #cdd3e7;
  color: var(--ink);
  background: #ffffff;
}

.button.amber {
  color: var(--navy-deep);
  background: var(--amber);
  box-shadow: 0 14px 32px rgba(255, 189, 89, 0.25);
}

.button.amber:hover {
  background: #ffca78;
}

.button.small {
  min-height: 42px;
  padding: 10px 16px;
  border-radius: 12px;
  font-size: 0.9rem;
}

.text-link {
  color: var(--purple-dark);
  font-weight: 800;
  text-underline-offset: 4px;
}

.text-link:hover {
  color: var(--navy);
}

.hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  color: #ffffff;
  background:
    radial-gradient(circle at 80% 15%, rgba(81, 210, 207, 0.24), transparent 27%),
    radial-gradient(circle at 15% 80%, rgba(108, 92, 231, 0.33), transparent 32%),
    linear-gradient(135deg, var(--navy-deep), var(--navy) 58%, #19265b);
}

.hero::before,
.hero::after {
  position: absolute;
  z-index: -1;
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 50%;
  content: "";
}

.hero::before {
  top: -260px;
  right: -170px;
  width: 680px;
  height: 680px;
}

.hero::after {
  right: 150px;
  bottom: -410px;
  width: 740px;
  height: 740px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(330px, 0.72fr);
  gap: clamp(48px, 7vw, 94px);
  align-items: center;
  min-height: calc(100svh - var(--header-height));
  padding-block: 74px 92px;
}

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

.hero-subtitle {
  max-width: 690px;
  margin: 24px 0 0;
  color: #dfe3f6;
  font-size: clamp(1.1rem, 2vw, 1.3rem);
  line-height: 1.75;
}

.hero-actions,
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-top: 30px;
}

.play-badge {
  display: inline-flex;
  border-radius: 12px;
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.play-badge:hover {
  transform: translateY(-2px);
  box-shadow: 0 15px 34px rgba(0, 0, 0, 0.25);
}

.play-badge img {
  width: 190px;
  height: auto;
}

.hero-proof {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  margin: 28px 0 0;
  padding: 0;
  color: #dfe3f6;
  font-size: 0.94rem;
  font-weight: 750;
  list-style: none;
}

.hero-proof li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.hero-proof li::before {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 21px;
  height: 21px;
  border-radius: 50%;
  color: var(--navy-deep);
  background: var(--cyan);
  content: "✓";
  font-size: 0.76rem;
  font-weight: 950;
}

.phone-stage {
  position: relative;
  min-height: 620px;
}

.phone-glow {
  position: absolute;
  inset: 12% -12% 8%;
  border-radius: 50%;
  background: rgba(81, 210, 207, 0.18);
  filter: blur(42px);
}

.phone-frame {
  position: absolute;
  top: 50%;
  left: 50%;
  width: min(330px, 82vw);
  padding: 12px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 48px;
  background: #090c18;
  box-shadow: var(--shadow-lg);
  transform: translate(-50%, -50%) rotate(3deg);
}

.phone-frame::before {
  position: absolute;
  top: 17px;
  left: 50%;
  z-index: 2;
  width: 36%;
  height: 22px;
  border-radius: 99px;
  background: #090c18;
  content: "";
  transform: translateX(-50%);
}

.phone-stage .phone-frame::before {
  display: none;
}

.phone-frame img {
  width: 100%;
  border-radius: 37px;
}

.floating-chip {
  position: absolute;
  z-index: 3;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 10px;
  align-items: center;
  padding: 12px 15px;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 16px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.93);
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(14px);
}

.floating-chip strong,
.floating-chip span {
  display: block;
}

.floating-chip strong {
  font-size: 0.88rem;
  line-height: 1.2;
}

.floating-chip span {
  color: var(--ink-soft);
  font-size: 0.72rem;
}

.floating-chip .chip-icon {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 11px;
  color: var(--purple-dark);
  background: var(--purple-soft);
  font-size: 1.1rem;
  font-weight: 900;
}

.floating-chip.streak {
  top: 13%;
  right: -4%;
}

.floating-chip.progress {
  bottom: 15%;
  left: -9%;
}

.audience-strip {
  border-bottom: 1px solid var(--line);
  background: #ffffff;
}

.audience-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px 24px;
  min-height: 70px;
  color: var(--ink-soft);
  font-size: 0.9rem;
  font-weight: 750;
  text-align: center;
}

.audience-inner strong {
  color: var(--ink);
}

.country-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 9px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.country-list li {
  padding: 6px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink);
  background: var(--surface-soft);
  font-size: 0.78rem;
  font-weight: 800;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.feature-card,
.article-card,
.topic-card,
.step-card,
.faq-item,
.info-card {
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

.feature-card {
  position: relative;
  overflow: hidden;
  min-height: 290px;
  padding: 30px;
  border-radius: var(--radius-md);
}

.feature-card::after {
  position: absolute;
  right: -48px;
  bottom: -58px;
  width: 150px;
  height: 150px;
  border-radius: 50%;
  background: var(--purple-soft);
  content: "";
}

.feature-card:nth-child(2)::after {
  background: var(--cyan-soft);
}

.feature-card:nth-child(3)::after {
  background: #fff1d8;
}

.feature-icon {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border-radius: 16px;
  color: var(--purple-dark);
  background: var(--purple-soft);
  font-size: 1.1rem;
  font-weight: 950;
}

.feature-card:nth-child(2) .feature-icon {
  color: #0f706e;
  background: var(--cyan-soft);
}

.feature-card:nth-child(3) .feature-icon {
  color: #925c0c;
  background: #fff1d8;
}

.feature-card h3,
.step-card h3,
.article-card h2,
.article-card h3,
.topic-card h3,
.info-card h2,
.info-card h3 {
  position: relative;
  z-index: 1;
  margin: 20px 0 10px;
  color: var(--ink);
  font-size: 1.35rem;
  line-height: 1.25;
}

.feature-card p,
.step-card p,
.article-card p,
.topic-card p,
.info-card p {
  position: relative;
  z-index: 1;
  margin: 0;
  color: var(--ink-soft);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  counter-reset: steps;
}

.step-card {
  position: relative;
  padding: 30px;
  border-radius: var(--radius-md);
  counter-increment: steps;
}

.step-card::before {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  color: #ffffff;
  background: var(--navy);
  content: counter(steps, decimal-leading-zero);
  font-size: 0.78rem;
  font-weight: 900;
}

.product-split {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: clamp(50px, 8vw, 100px);
  align-items: center;
}

.product-visual {
  position: relative;
  min-height: 600px;
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 30% 20%, rgba(81, 210, 207, 0.35), transparent 26%),
    linear-gradient(150deg, #161f4e, #0d1434);
  box-shadow: var(--shadow-md);
}

.product-visual .phone-frame {
  width: min(300px, 74vw);
  transform: translate(-50%, -50%) rotate(-3deg);
}

.check-list {
  display: grid;
  gap: 18px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 38px;
  color: var(--ink-soft);
}

.check-list li::before {
  position: absolute;
  top: 1px;
  left: 0;
  display: grid;
  place-items: center;
  width: 25px;
  height: 25px;
  border-radius: 8px;
  color: #ffffff;
  background: var(--success);
  content: "✓";
  font-size: 0.75rem;
  font-weight: 950;
}

.check-list strong {
  color: var(--ink);
}

.screenshot-track {
  display: flex;
  gap: 22px;
  padding: 4px 4px 20px;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  scroll-padding-inline: 4px;
  scroll-snap-type: x proximity;
  scrollbar-color: var(--primary) rgba(39, 48, 92, 0.1);
  scrollbar-width: thin;
}

.screenshot-card {
  flex: 0 0 clamp(260px, 30vw, 340px);
  margin: 0;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 25px;
  background: #ffffff;
  box-shadow: var(--shadow-sm);
  scroll-snap-align: start;
}

.screenshot-card img {
  width: 100%;
  max-height: 580px;
  border-radius: 16px;
  object-fit: contain;
  background: var(--surface-soft);
}

.screenshot-card figcaption {
  padding: 14px 4px 2px;
  color: var(--ink-soft);
  font-size: 0.9rem;
  font-weight: 750;
  text-align: center;
}

.proof-panel {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 34px;
  align-items: stretch;
}

.proof-highlight,
.proof-details {
  padding: clamp(30px, 5vw, 50px);
  border-radius: var(--radius-lg);
}

.proof-highlight {
  color: #ffffff;
  background:
    radial-gradient(circle at 85% 15%, rgba(81, 210, 207, 0.28), transparent 32%),
    var(--navy);
  box-shadow: var(--shadow-md);
}

.proof-highlight .big-number {
  margin: 0;
  color: var(--amber);
  font-size: clamp(3.5rem, 8vw, 6.5rem);
  font-weight: 950;
  letter-spacing: -0.06em;
  line-height: 0.95;
}

.proof-highlight h2 {
  margin: 18px 0 12px;
  font-size: 1.8rem;
  line-height: 1.2;
}

.proof-highlight p {
  margin: 0;
  color: #dfe3f6;
}

.proof-details {
  border: 1px solid var(--line);
  background: #ffffff;
  box-shadow: var(--shadow-sm);
}

.proof-details h2 {
  margin: 0 0 16px;
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  line-height: 1.15;
}

.proof-details p {
  color: var(--ink-soft);
}

.creator-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  margin-top: 24px;
}

.creator {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 16px;
  align-items: center;
}

.creator img {
  width: 72px;
  height: 72px;
  border-radius: 20px;
  object-fit: cover;
}

.creator strong,
.creator span {
  display: block;
}

.creator span {
  color: var(--ink-soft);
  font-size: 0.88rem;
}

.article-grid,
.topic-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.article-card,
.topic-card {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  padding: 28px;
  border-radius: var(--radius-md);
}

.article-card .article-meta {
  margin: 0;
  color: var(--purple-dark);
  font-size: 0.78rem;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.article-card .text-link,
.topic-card .text-link {
  margin-top: auto;
  padding-top: 22px;
}

.topic-card {
  position: relative;
  overflow: hidden;
}

.topic-card::before {
  width: 42px;
  height: 5px;
  border-radius: 99px;
  background: var(--cyan);
  content: "";
}

.topic-card:nth-child(2n)::before {
  background: var(--purple);
}

.faq-list {
  display: grid;
  gap: 14px;
  max-width: 860px;
  margin-inline: auto;
}

.faq-item {
  border-radius: 16px;
}

.faq-item summary {
  position: relative;
  padding: 22px 58px 22px 24px;
  cursor: pointer;
  font-weight: 850;
  list-style: none;
}

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

.faq-item summary::after {
  position: absolute;
  top: 50%;
  right: 24px;
  color: var(--purple-dark);
  content: "+";
  font-size: 1.5rem;
  transform: translateY(-50%);
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-item p {
  margin: 0;
  padding: 0 24px 24px;
  color: var(--ink-soft);
}

.cta-band {
  position: relative;
  overflow: hidden;
  color: #ffffff;
  background:
    radial-gradient(circle at 15% 30%, rgba(81, 210, 207, 0.28), transparent 26%),
    linear-gradient(125deg, var(--navy-deep), #212f6f);
}

.cta-band::after {
  position: absolute;
  top: -240px;
  right: -120px;
  width: 540px;
  height: 540px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  content: "";
}

.cta-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 40px;
  align-items: center;
  padding-block: clamp(70px, 9vw, 110px);
}

.cta-inner h2 {
  max-width: 700px;
  margin: 0;
  color: #ffffff;
  font-size: clamp(2.2rem, 5vw, 4rem);
  letter-spacing: -0.04em;
  line-height: 1.08;
}

.cta-inner p {
  max-width: 660px;
  margin: 18px 0 0;
  color: #dfe3f6;
  font-size: 1.1rem;
}

.site-footer {
  color: #dfe3f6;
  background: var(--navy-deep);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 0.8fr;
  gap: 50px;
  padding-block: 64px 44px;
}

.footer-brand .brand {
  color: #ffffff;
}

.footer-brand p {
  max-width: 410px;
  margin: 18px 0 0;
  color: #aeb6d5;
}

.footer-column h2 {
  margin: 0 0 16px;
  color: #ffffff;
  font-size: 0.84rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.footer-links {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-links a {
  color: #c9cfe5;
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--cyan);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding-block: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  color: #9099bd;
  font-size: 0.84rem;
}

.mobile-download {
  display: none;
}

.page-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(74px, 9vw, 120px);
  color: #ffffff;
  background:
    radial-gradient(circle at 80% 20%, rgba(81, 210, 207, 0.22), transparent 28%),
    linear-gradient(130deg, var(--navy-deep), #1c2863);
}

.page-hero::after {
  position: absolute;
  top: -220px;
  right: -100px;
  width: 540px;
  height: 540px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  content: "";
}

.page-hero .container,
.page-hero .narrow {
  position: relative;
  z-index: 1;
}

.page-hero .hero-actions {
  margin-top: 28px;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 20px;
  padding: 0;
  color: #b8c0dd;
  font-size: 0.84rem;
  font-weight: 700;
  list-style: none;
}

.breadcrumb li:not(:last-child)::after {
  margin-left: 8px;
  color: #7883a9;
  content: "/";
}

.breadcrumb a {
  color: #dfe3f6;
}

.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 270px;
  gap: 56px;
  align-items: start;
  padding-block: clamp(60px, 8vw, 100px);
}

.article-body {
  min-width: 0;
}

.article-body > *:first-child {
  margin-top: 0;
}

.article-body h2 {
  margin: 50px 0 16px;
  color: var(--ink);
  font-size: clamp(1.65rem, 3vw, 2.2rem);
  letter-spacing: -0.025em;
  line-height: 1.2;
}

.article-body h3 {
  margin: 34px 0 12px;
  font-size: 1.28rem;
}

.article-body p,
.article-body li {
  color: #35405f;
  font-size: 1.05rem;
  line-height: 1.85;
}

.article-body a:not(.button) {
  color: var(--purple-dark);
  font-weight: 750;
  text-underline-offset: 3px;
}

.article-body ul,
.article-body ol {
  padding-left: 24px;
}

.article-body blockquote {
  margin: 34px 0;
  padding: 22px 26px;
  border-left: 5px solid var(--cyan);
  border-radius: 0 16px 16px 0;
  color: var(--ink);
  background: var(--surface-soft);
  font-size: 1.12rem;
  font-weight: 750;
}

.article-meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin-top: 24px;
  color: #b8c0dd;
  font-size: 0.9rem;
}

.article-aside {
  position: sticky;
  top: calc(var(--header-height) + 24px);
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface-soft);
}

.article-aside h2 {
  margin: 0 0 14px;
  font-size: 1.2rem;
}

.article-aside p {
  margin: 0 0 18px;
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.article-aside .play-badge img {
  width: 170px;
}

.notice {
  margin-block: 34px;
  padding: 20px 22px;
  border: 1px solid #d6dcf0;
  border-radius: 15px;
  color: var(--ink-soft);
  background: var(--surface-soft);
  font-size: 0.92rem;
}

.notice strong {
  color: var(--ink);
}

.legal-body {
  padding-block: clamp(60px, 8vw, 100px);
}

.legal-body h2 {
  margin: 40px 0 12px;
  font-size: 1.45rem;
}

.legal-body p,
.legal-body li {
  color: #35405f;
  line-height: 1.8;
}

.legal-updated {
  margin: 0 0 30px;
  color: var(--ink-soft);
  font-size: 0.9rem;
}

.game-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.7fr);
  gap: 24px;
}

.game-card {
  min-height: 320px;
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: #ffffff;
  box-shadow: var(--shadow-sm);
}

.game-card.featured {
  position: relative;
  overflow: hidden;
  color: #ffffff;
  background:
    radial-gradient(circle at 85% 20%, rgba(81, 210, 207, 0.25), transparent 28%),
    var(--navy);
}

.game-card.featured h2,
.game-card.featured p {
  color: #ffffff;
}

.game-card h2 {
  margin: 18px 0 12px;
  font-size: 2rem;
  line-height: 1.15;
}

.game-card p {
  color: var(--ink-soft);
}

.game-card .button {
  margin-top: 24px;
}

.game-shell {
  min-height: 100vh;
  color: #ffffff;
  background:
    radial-gradient(circle at 20% 10%, rgba(108, 92, 231, 0.35), transparent 25%),
    radial-gradient(circle at 90% 70%, rgba(81, 210, 207, 0.2), transparent 30%),
    var(--navy-deep);
}

.game-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-block: 20px;
}

.game-topbar a {
  color: #ffffff;
  font-weight: 800;
  text-decoration: none;
}

.game-main {
  display: grid;
  grid-template-columns: minmax(0, 520px) minmax(250px, 340px);
  gap: clamp(34px, 7vw, 90px);
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - 90px);
  padding-block: 34px 72px;
}

.game-panel {
  padding: clamp(22px, 4vw, 34px);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.09);
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(18px);
}

.game-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 24px;
}

.game-heading h1 {
  margin: 0;
  font-size: clamp(2rem, 5vw, 3.1rem);
  letter-spacing: -0.04em;
  line-height: 1;
}

.game-score {
  min-width: 84px;
  padding: 8px 12px;
  border-radius: 12px;
  color: var(--navy-deep);
  background: var(--amber);
  font-size: 0.8rem;
  font-weight: 900;
  text-align: center;
}

.game-board {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(7px, 2vw, 12px);
  width: 100%;
}

.memory-card {
  position: relative;
  display: grid;
  place-items: center;
  width: 100%;
  min-width: 0;
  aspect-ratio: 1;
  border: 0;
  border-radius: clamp(10px, 2vw, 17px);
  color: transparent;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.16), rgba(255, 255, 255, 0.05)),
    var(--purple);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
  cursor: pointer;
  font-size: clamp(1.4rem, 6vw, 2.35rem);
  transition:
    transform 180ms ease,
    background-color 180ms ease,
    color 120ms ease;
}

.memory-card::before {
  color: rgba(255, 255, 255, 0.75);
  content: "?";
  font-size: clamp(1rem, 4vw, 1.6rem);
  font-weight: 950;
}

.memory-card:hover:not(:disabled) {
  transform: translateY(-3px);
}

.memory-card.is-revealed,
.memory-card.is-matched {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.2);
  transform: rotateY(0);
}

.memory-card.is-revealed::before,
.memory-card.is-matched::before {
  display: none;
}

.memory-card.is-matched {
  background: var(--success);
}

.memory-card:disabled {
  cursor: default;
}

.game-copy h2 {
  margin: 0 0 14px;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.1;
}

.game-copy p {
  color: #cbd2eb;
}

.game-copy .button {
  margin-top: 20px;
}

.game-help {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 15px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 12px;
  color: #ffffff;
  background: rgba(255, 255, 255, 0.08);
  cursor: pointer;
  font-weight: 800;
}

.dialog-backdrop {
  position: fixed;
  inset: 0;
  z-index: 500;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(5, 9, 25, 0.76);
  backdrop-filter: blur(8px);
}

.dialog-backdrop[hidden] {
  display: none;
}

.dialog-card {
  width: min(100%, 460px);
  padding: 32px;
  border-radius: 24px;
  color: var(--ink);
  background: #ffffff;
  box-shadow: var(--shadow-lg);
}

.dialog-card h2 {
  margin: 0 0 12px;
  font-size: 2rem;
}

.dialog-card p,
.dialog-card li {
  color: var(--ink-soft);
}

.dialog-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

@media (max-width: 960px) {
  .card-grid,
  .article-grid,
  .topic-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero-grid {
    grid-template-columns: minmax(0, 1fr) minmax(290px, 0.62fr);
    gap: 40px;
  }

  .phone-stage {
    min-height: 540px;
  }

  .proof-panel,
  .article-layout,
  .game-list {
    grid-template-columns: 1fr;
  }

  .article-aside {
    position: static;
  }

  .game-main {
    grid-template-columns: minmax(0, 520px);
  }

  .game-copy {
    max-width: 560px;
    text-align: center;
  }
}

@media (max-width: 820px) {
  :root {
    --header-height: 68px;
  }

  body {
    padding-bottom: 76px;
  }

  .container,
  .narrow {
    width: min(calc(100% - 30px), var(--container));
  }

  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    left: 0;
    display: grid;
    gap: 0;
    padding: 10px;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: #ffffff;
    box-shadow: var(--shadow-md);
  }

  .site-nav[hidden] {
    display: none;
  }

  .site-nav a {
    padding: 13px 14px;
    border-radius: 11px;
  }

  .site-nav a:not(.button):hover {
    background: var(--surface-soft);
  }

  .site-nav .button {
    margin-top: 5px;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-block: 68px 80px;
    text-align: center;
  }

  .hero-copy {
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .display-title {
    max-width: 680px;
  }

  .hero-actions,
  .hero-proof {
    justify-content: center;
  }

  .phone-stage {
    min-height: 590px;
  }

  .floating-chip.streak {
    right: 5%;
  }

  .floating-chip.progress {
    left: 3%;
  }

  .audience-inner {
    flex-direction: column;
    padding-block: 18px;
  }

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

  .screenshot-track {
    margin-right: -15px;
    padding-right: 15px;
    scroll-snap-type: x mandatory;
  }

  .screenshot-card {
    flex: 0 0 min(82vw, 360px);
    scroll-snap-align: center;
  }

  .product-split {
    grid-template-columns: 1fr;
  }

  .product-visual {
    min-height: 560px;
  }

  .cta-inner {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }

  .mobile-download {
    position: fixed;
    right: 12px;
    bottom: 12px;
    left: 12px;
    z-index: 150;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 54px;
    border-radius: 16px;
    color: var(--navy-deep);
    background: var(--amber);
    box-shadow: 0 16px 40px rgba(9, 15, 41, 0.28);
    font-weight: 900;
    text-decoration: none;
  }

  .game-shell {
    padding-bottom: 0;
  }
}

@media (max-width: 620px) {
  .section {
    padding-block: 68px;
  }

  .display-title {
    font-size: clamp(2.55rem, 13vw, 3.65rem);
  }

  .hero-subtitle {
    font-size: 1.05rem;
  }

  .hero-actions,
  .cta-actions {
    width: 100%;
    flex-direction: column;
    align-items: stretch;
  }

  .play-badge,
  .button {
    width: 100%;
  }

  .play-badge {
    justify-content: center;
    padding: 4px;
  }

  .hero-proof {
    display: grid;
    justify-content: stretch;
    text-align: left;
  }

  .phone-stage {
    min-height: 520px;
  }

  .phone-frame {
    width: min(275px, 76vw);
  }

  .floating-chip {
    padding: 10px 12px;
  }

  .floating-chip.streak {
    top: 7%;
    right: 0;
  }

  .floating-chip.progress {
    bottom: 7%;
    left: 0;
  }

  .card-grid,
  .article-grid,
  .topic-grid,
  .creator-row {
    grid-template-columns: 1fr;
  }

  .feature-card {
    min-height: 0;
  }

  .product-visual {
    min-height: 500px;
  }

  .proof-highlight,
  .proof-details {
    padding: 28px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-brand {
    grid-column: auto;
  }

  .footer-bottom {
    flex-direction: column;
  }

  .game-main {
    display: block;
    min-height: auto;
    padding-block: 18px 60px;
  }

  .game-panel {
    padding: 18px;
    border-radius: 22px;
  }

  .game-heading {
    align-items: center;
  }

  .game-copy {
    margin-top: 42px;
  }

  .dialog-card {
    padding: 26px;
  }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}