:root {
  --mx: 0;
  --my: 0;
  --ink: #2c2433;
  --muted: #70657a;
  --soft: #fff8fc;
  --surface: #ffffff;
  --pink: #ff67a8;
  --pink-strong: #ee3f8d;
  --blue: #4f95ff;
  --sky: #dff2ff;
  --mint: #43d3aa;
  --yellow: #ffd565;
  --violet: #8d74ff;
  --line: rgba(44, 36, 51, 0.12);
  --shadow: 0 26px 70px rgba(87, 58, 112, 0.16);
  --deep-shadow: 0 34px 90px rgba(64, 45, 87, 0.22);
  font-family: Inter, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  scroll-behavior: smooth;
  letter-spacing: 0;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  background: var(--soft);
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background:
    linear-gradient(180deg, #fff7fc 0%, #f4fbff 36%, #fffaf3 68%, #fff8fc 100%);
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -2;
  content: "";
  background:
    linear-gradient(120deg, rgba(255, 103, 168, 0.1), transparent 28%),
    linear-gradient(240deg, rgba(79, 149, 255, 0.11), transparent 32%),
    repeating-linear-gradient(
      135deg,
      rgba(255, 255, 255, 0.24) 0,
      rgba(255, 255, 255, 0.24) 2px,
      transparent 2px,
      transparent 22px
    );
}

body::after {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.48), transparent 28%, rgba(255, 255, 255, 0.34)),
    linear-gradient(180deg, transparent 0%, rgba(255, 255, 255, 0.5) 100%);
}

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

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

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 720px;
  margin-bottom: 22px;
  font-size: 78px;
  line-height: 0.98;
}

h2 {
  margin-bottom: 18px;
  font-size: 50px;
  line-height: 1.12;
}

h3 {
  margin-bottom: 12px;
  font-size: 28px;
  line-height: 1.26;
}

p {
  line-height: 1.78;
}

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

.site-header {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
  padding: 0 64px;
  background: rgba(255, 248, 252, 0.82);
  border-bottom: 1px solid rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(18px);
}

.brand,
.footer-brand {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  gap: 10px;
  font-weight: 900;
}

.brand img,
.footer-brand img {
  width: 42px;
  height: 42px;
  border-radius: 8px;
  box-shadow: 0 12px 28px rgba(255, 103, 168, 0.18);
}

.brand span,
.footer-brand span {
  font-size: 20px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 34px;
  color: #5c5266;
  font-size: 15px;
  font-weight: 800;
}

.nav-links a,
.header-download {
  transition:
    color 0.2s ease,
    transform 0.2s ease,
    box-shadow 0.2s ease;
}

.nav-links a:hover {
  color: var(--pink-strong);
}

.header-download {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 18px;
  color: #ffffff;
  font-size: 14px;
  font-weight: 900;
  background: linear-gradient(135deg, var(--pink), var(--blue));
  border-radius: 999px;
  box-shadow: 0 14px 30px rgba(238, 63, 141, 0.22);
}

.header-download:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 38px rgba(79, 149, 255, 0.24);
}

.hero {
  position: relative;
  isolation: isolate;
  min-height: calc(100svh - 88px);
  overflow: hidden;
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(440px, 1.08fr);
  align-items: center;
  gap: 54px;
  padding: 96px 72px 34px;
  background:
    linear-gradient(110deg, rgba(255, 255, 255, 0.88) 0%, rgba(255, 241, 250, 0.64) 44%, rgba(227, 246, 255, 0.7) 100%),
    linear-gradient(180deg, #fff7fc 0%, #f7fcff 100%);
}

.hero::before {
  position: absolute;
  inset: auto -6% -42px -6%;
  z-index: -1;
  height: 180px;
  content: "";
  background: linear-gradient(90deg, rgba(255, 103, 168, 0.18), rgba(67, 211, 170, 0.14), rgba(79, 149, 255, 0.18));
  transform: skewY(-2deg);
}

.hero::after {
  position: absolute;
  right: 6%;
  bottom: 28px;
  left: 6%;
  z-index: -1;
  height: 1px;
  content: "";
  background: linear-gradient(90deg, transparent, rgba(44, 36, 51, 0.16), transparent);
}

.hero-pattern {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
}

.heart {
  position: absolute;
  width: 20px;
  height: 20px;
  background: currentColor;
  border-radius: 6px 6px 3px 3px;
  box-shadow: 0 10px 24px color-mix(in srgb, currentColor 32%, transparent);
  transform: rotate(-45deg);
  animation: heartFloat 4.4s ease-in-out infinite;
}

.heart::before,
.heart::after {
  position: absolute;
  content: "";
  width: 20px;
  height: 20px;
  background: inherit;
  border-radius: 999px;
}

.heart::before {
  top: -10px;
  left: 0;
}

.heart::after {
  top: 0;
  left: 10px;
}

.heart--one {
  top: 18%;
  left: 8%;
  color: var(--pink);
}

.heart--two {
  top: 32%;
  right: 12%;
  color: var(--yellow);
  animation-delay: -1.1s;
  transform: rotate(-45deg) scale(0.78);
}

.heart--three {
  right: 44%;
  bottom: 18%;
  color: var(--mint);
  animation-delay: -2s;
  transform: rotate(-45deg) scale(0.9);
}

.ribbon {
  position: absolute;
  width: 188px;
  height: 42px;
  border-radius: 999px 8px 999px 8px;
  opacity: 0.42;
  filter: blur(0.2px);
  transform: rotate(-12deg);
}

.ribbon--pink {
  top: 126px;
  left: 34%;
  background: linear-gradient(90deg, rgba(255, 103, 168, 0.45), rgba(255, 213, 101, 0.2));
}

.ribbon--blue {
  right: 10%;
  bottom: 160px;
  background: linear-gradient(90deg, rgba(79, 149, 255, 0.38), rgba(67, 211, 170, 0.22));
  transform: rotate(14deg);
}

.hero-copy {
  position: relative;
  z-index: 2;
  max-width: 780px;
  transform: translate3d(calc(var(--mx) * 10px), calc(var(--my) * 8px), 0);
  transition: transform 0.18s ease-out;
}

.eyebrow {
  margin-bottom: 12px;
  color: var(--pink-strong);
  font-size: 14px;
  font-weight: 900;
}

.hero-text {
  max-width: 660px;
  margin-bottom: 34px;
  color: #5b5065;
  font-size: 21px;
}

.hero-actions,
.download-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
}

.download-button,
.store-button {
  display: inline-flex;
  min-width: 178px;
  min-height: 64px;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  padding: 12px 22px;
  border-radius: 999px;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease,
    border-color 0.2s ease;
}

.download-button span,
.store-button span {
  font-size: 13px;
  font-weight: 700;
  opacity: 0.72;
}

.download-button strong,
.store-button strong {
  font-size: 18px;
}

.download-button--dark,
.store-button--ios {
  color: #ffffff;
  background: linear-gradient(135deg, #2c2433, #4a3456);
  box-shadow: 0 20px 42px rgba(44, 36, 51, 0.26);
}

.download-button--light,
.store-button--android {
  color: #352b3e;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(44, 36, 51, 0.1);
  box-shadow: 0 18px 38px rgba(79, 149, 255, 0.12);
}

.download-button:hover,
.store-button:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

.hero-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.hero-metrics span {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 14px;
  color: #51435b;
  font-size: 14px;
  font-weight: 900;
  background: rgba(255, 255, 255, 0.66);
  border: 1px solid rgba(255, 255, 255, 0.86);
  border-radius: 999px;
  box-shadow: 0 12px 28px rgba(87, 58, 112, 0.09);
}

.hero-stage {
  position: relative;
  height: 552px;
  perspective: 1400px;
  transform:
    translate3d(calc(var(--mx) * -14px), calc(var(--my) * -10px), 0)
    rotateX(calc(var(--my) * -3deg))
    rotateY(calc(var(--mx) * 5deg));
  transform-style: preserve-3d;
  transition: transform 0.18s ease-out;
}

.hero-phone,
.phone-frame,
.flow-card figure {
  overflow: hidden;
  margin: 0;
  background: #ffffff;
  box-shadow: var(--deep-shadow);
}

.hero-phone {
  position: absolute;
  width: 260px;
  border: 10px solid rgba(255, 255, 255, 0.9);
  border-radius: 38px;
  transform-style: preserve-3d;
}

.hero-phone img,
.phone-frame img,
.flow-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}

.hero-phone--main {
  top: 28px;
  left: 50%;
  z-index: 3;
  height: 492px;
  transform: translateX(-50%) translateZ(70px);
  animation: phoneFloat 5.8s ease-in-out infinite;
}

.hero-phone--left {
  top: 96px;
  left: 3%;
  z-index: 2;
  height: 382px;
  opacity: 0.95;
  transform: rotate(-8deg) translateZ(10px);
  animation: phoneFloat 6.2s ease-in-out infinite -1.5s;
}

.hero-phone--right {
  right: 0;
  bottom: 30px;
  z-index: 1;
  height: 404px;
  opacity: 0.95;
  transform: rotate(7deg) translateZ(0);
  animation: phoneFloat 6.5s ease-in-out infinite -2.2s;
}

.hero-logo-card {
  position: absolute;
  right: 8%;
  top: 62px;
  z-index: 4;
  display: grid;
  place-items: center;
  gap: 8px;
  width: 132px;
  padding: 12px;
  color: #4f3d5b;
  font-size: 15px;
  font-weight: 900;
  text-align: center;
  background: rgba(255, 255, 255, 0.74);
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: 8px;
  box-shadow: 0 18px 38px rgba(238, 63, 141, 0.16);
  backdrop-filter: blur(16px);
  animation: badgeFloat 4.8s ease-in-out infinite;
}

.hero-logo-card img {
  width: 74px;
  height: 74px;
  border-radius: 8px;
}

.intro-strip {
  overflow: hidden;
  padding: 24px 72px 30px;
  color: var(--ink);
  background:
    linear-gradient(180deg, rgba(246, 252, 255, 0.2) 0%, rgba(255, 250, 244, 0.92) 100%),
    linear-gradient(90deg, rgba(255, 103, 168, 0.08), rgba(67, 211, 170, 0.08), rgba(79, 149, 255, 0.08));
  border-top: 1px solid rgba(44, 36, 51, 0.08);
}

.strip-track {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  width: min(1040px, 100%);
  gap: 10px;
  margin: 0 auto;
}

.strip-track span {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 16px;
  color: #57485f;
  font-size: 15px;
  font-weight: 900;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.88);
  border-radius: 999px;
  box-shadow: 0 10px 26px rgba(87, 58, 112, 0.08);
}

.strip-track span:nth-child(3n + 1) {
  background: rgba(255, 239, 248, 0.84);
}

.strip-track span:nth-child(3n + 2) {
  background: rgba(233, 246, 255, 0.86);
}

.strip-track span:nth-child(3n) {
  background: rgba(238, 255, 248, 0.86);
}

.section-heading {
  max-width: 820px;
  margin: 0 auto 58px;
  text-align: center;
}

.section-heading p:not(.eyebrow) {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 18px;
}

.section-heading--compact {
  margin-bottom: 34px;
}

.chapters,
.screens-flow,
.features,
.download-section {
  padding: 104px 72px;
}

.chapters {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.78), rgba(246, 252, 255, 0.88)),
    linear-gradient(90deg, rgba(255, 103, 168, 0.08), rgba(67, 211, 170, 0.08));
}

.chapters-carousel {
  display: contents;
}

.chapter {
  display: grid;
  grid-template-columns: minmax(260px, 0.82fr) minmax(0, 1fr);
  align-items: center;
  gap: 64px;
  width: min(1120px, 100%);
  margin: 0 auto;
  padding: 56px 0;
  border-top: 1px solid rgba(44, 36, 51, 0.1);
}

.chapter:first-of-type {
  border-top: 0;
}

.chapter--plaza {
  grid-template-columns: minmax(0, 1fr) minmax(260px, 0.82fr);
}

.chapter--plaza .chapter-visual {
  order: 2;
}

.chapter--plaza .chapter-copy {
  order: 1;
}

.chapter-visual {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 560px;
}

.chapter-visual::before {
  position: absolute;
  inset: 32px 18px;
  z-index: 0;
  content: "";
  background:
    linear-gradient(135deg, rgba(255, 103, 168, 0.25), rgba(255, 213, 101, 0.16)),
    linear-gradient(45deg, rgba(79, 149, 255, 0.18), rgba(67, 211, 170, 0.18));
  border-radius: 8px;
  transform: rotate(-4deg);
}

.chapter--plaza .chapter-visual::before {
  transform: rotate(4deg);
}

.chapter--message .chapter-visual::before {
  background:
    linear-gradient(135deg, rgba(79, 149, 255, 0.23), rgba(255, 103, 168, 0.16)),
    linear-gradient(45deg, rgba(255, 213, 101, 0.15), rgba(255, 255, 255, 0.45));
}

.phone-frame {
  position: relative;
  z-index: 1;
  width: min(330px, 86vw);
  height: 560px;
  border: 11px solid #ffffff;
  border-radius: 40px;
  transform:
    translate3d(calc(var(--mx) * 8px), calc(var(--my) * 6px), 0)
    rotateY(calc(var(--mx) * 4deg));
  transition: transform 0.18s ease-out;
}

.chapter-copy {
  max-width: 560px;
}

.scene-label {
  margin-bottom: 12px;
  color: var(--blue);
  font-size: 14px;
  font-weight: 900;
}

.chapter-copy p:not(.scene-label) {
  margin-bottom: 22px;
  color: var(--muted);
  font-size: 18px;
}

.chapter-points {
  display: grid;
  gap: 12px;
}

.chapter-points li {
  position: relative;
  min-height: 42px;
  padding: 10px 16px 10px 40px;
  color: #4f4559;
  font-weight: 800;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.86);
  border-radius: 8px;
  box-shadow: 0 12px 30px rgba(87, 58, 112, 0.08);
}

.chapter-points li::before {
  position: absolute;
  top: 15px;
  left: 16px;
  width: 10px;
  height: 10px;
  content: "";
  background: linear-gradient(135deg, var(--pink), var(--blue));
  border-radius: 999px;
  box-shadow: 0 0 0 5px rgba(255, 103, 168, 0.1);
}

.screens-flow {
  overflow: hidden;
  background:
    linear-gradient(180deg, #fffaf4 0%, #f6fbff 100%),
    linear-gradient(90deg, rgba(255, 213, 101, 0.1), rgba(79, 149, 255, 0.1));
}

.waterfall {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  width: min(1180px, 100%);
  margin: 0 auto;
  align-items: start;
}

.flow-card {
  overflow: hidden;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: 8px;
  box-shadow: 0 22px 60px rgba(87, 58, 112, 0.12);
  backdrop-filter: blur(12px);
}

.flow-card--short {
  margin-top: 72px;
}

.flow-card--mid {
  margin-top: 34px;
}

.flow-card figure {
  height: 390px;
  border-radius: 0;
  box-shadow: none;
}

.flow-card--tall figure {
  height: 500px;
}

.flow-card--mid figure {
  height: 440px;
}

.flow-card div {
  padding: 24px;
}

.flow-kicker {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  margin-bottom: 14px;
  padding: 0 12px;
  color: #ffffff;
  font-size: 13px;
  font-weight: 900;
  background: linear-gradient(135deg, var(--pink), var(--blue));
  border-radius: 999px;
}

.flow-card h3 {
  font-size: 24px;
}

.flow-card p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 16px;
}

.features {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.72), rgba(255, 247, 252, 0.82)),
    linear-gradient(120deg, rgba(67, 211, 170, 0.08), rgba(255, 103, 168, 0.08));
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  width: min(1120px, 100%);
  margin: 0 auto;
}

.feature-card {
  min-height: 240px;
  padding: 24px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(255, 255, 255, 0.86);
  border-radius: 8px;
  box-shadow: 0 18px 46px rgba(87, 58, 112, 0.1);
  transition:
    transform 0.22s ease,
    box-shadow 0.22s ease;
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 26px 70px rgba(87, 58, 112, 0.16);
}

.feature-card span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  margin-bottom: 28px;
  color: #ffffff;
  font-weight: 900;
  background: linear-gradient(135deg, var(--pink), var(--blue));
  border-radius: 8px;
}

.feature-card h3 {
  font-size: 24px;
}

.feature-card p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 16px;
}

.download-section {
  background:
    linear-gradient(135deg, rgba(44, 36, 51, 0.96), rgba(71, 53, 91, 0.96)),
    linear-gradient(90deg, rgba(255, 103, 168, 0.28), rgba(79, 149, 255, 0.24));
}

.download-panel {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 28px;
  width: min(1120px, 100%);
  margin: 0 auto;
  padding: 38px;
  color: #ffffff;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.16), rgba(255, 255, 255, 0.06)),
    linear-gradient(90deg, rgba(255, 103, 168, 0.18), rgba(79, 149, 255, 0.18));
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.18);
}

.download-panel > img {
  width: 104px;
  height: 104px;
  border-radius: 8px;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.18);
}

.download-panel h2 {
  margin-bottom: 10px;
  font-size: 42px;
}

.download-panel p:not(.eyebrow) {
  max-width: 520px;
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 17px;
}

.download-panel .eyebrow {
  color: #ffd9ec;
}

.download-panel .store-button--android {
  background: rgba(255, 255, 255, 0.94);
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 30px 72px;
  color: #5d5367;
  background: #fff8fc;
}

.site-footer p {
  margin-bottom: 0;
  font-size: 14px;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 28px;
  z-index: 80;
  width: min(90vw, 360px);
  padding: 14px 18px;
  color: #ffffff;
  font-size: 14px;
  font-weight: 800;
  text-align: center;
  pointer-events: none;
  background: rgba(44, 36, 51, 0.92);
  border-radius: 999px;
  box-shadow: var(--shadow);
  opacity: 0;
  transform: translate(-50%, 16px);
  transition:
    opacity 0.2s ease,
    transform 0.2s ease;
}

.toast.is-visible {
  opacity: 1;
  transform: translate(-50%, 0);
}

.motion-ready [data-animate] {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 0.75s ease,
    transform 0.75s ease;
}

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

@keyframes phoneFloat {
  0%,
  100% {
    margin-top: 0;
  }

  50% {
    margin-top: -14px;
  }
}

@keyframes badgeFloat {
  0%,
  100% {
    transform: translateY(0) rotate(2deg);
  }

  50% {
    transform: translateY(-10px) rotate(-2deg);
  }
}

@keyframes heartFloat {
  0%,
  100% {
    opacity: 0.62;
    margin-top: 0;
  }

  50% {
    opacity: 1;
    margin-top: -10px;
  }
}

@media (max-width: 1120px) {
  .site-header {
    padding: 0 32px;
  }

  .hero {
    grid-template-columns: 1fr;
    gap: 28px;
    padding-right: 38px;
    padding-left: 38px;
  }

  .hero-copy {
    max-width: 760px;
  }

  .hero-stage {
    width: min(760px, 100%);
    height: 590px;
    margin: 0 auto;
  }

  .chapters,
  .screens-flow,
  .features,
  .download-section {
    padding-right: 38px;
    padding-left: 38px;
  }

  .intro-strip {
    padding-right: 38px;
    padding-left: 38px;
  }

  .feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .download-panel {
    grid-template-columns: auto minmax(0, 1fr);
  }

  .download-actions {
    grid-column: 1 / -1;
  }
}

@media (max-width: 860px) {
  h1 {
    font-size: 54px;
  }

  h2 {
    font-size: 38px;
  }

  h3 {
    font-size: 25px;
  }

  .site-header {
    min-height: 64px;
    padding: 0 18px;
  }

  .brand img {
    width: 38px;
    height: 38px;
  }

  .nav-links {
    display: none;
  }

  .header-download {
    min-height: 38px;
    padding: 0 14px;
  }

  .hero {
    min-height: auto;
    padding: 78px 20px 28px;
  }

  .hero-text {
    font-size: 17px;
    line-height: 1.7;
  }

  .hero-stage {
    height: 286px;
  }

  .hero-phone {
    width: 146px;
    border-width: 6px;
    border-radius: 28px;
  }

  .hero-phone--main {
    top: 10px;
    height: 270px;
  }

  .hero-phone--left {
    top: 54px;
    left: 0;
    height: 222px;
  }

  .hero-phone--right {
    right: 0;
    bottom: 4px;
    height: 230px;
  }

  .hero-logo-card {
    top: 20px;
    right: 0;
    width: 116px;
  }

  .hero-logo-card img {
    width: 60px;
    height: 60px;
  }

  .chapters,
  .screens-flow,
  .features,
  .download-section {
    padding: 64px 20px;
  }

  .intro-strip {
    padding: 18px 20px 24px;
  }

  .strip-track {
    justify-content: flex-start;
  }

  .section-heading {
    margin-bottom: 28px;
    text-align: left;
  }

  .section-heading p:not(.eyebrow) {
    font-size: 16px;
  }

  .chapters-carousel,
  .waterfall {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: min(84vw, 344px);
    grid-template-columns: none;
    gap: 14px;
    width: auto;
    margin-right: -20px;
    margin-left: 0;
    padding-right: 20px;
    padding-bottom: 10px;
    overflow-x: auto;
    overscroll-behavior-x: contain;
    scroll-padding-left: 0;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
  }

  .chapters-carousel::-webkit-scrollbar,
  .waterfall::-webkit-scrollbar {
    display: none;
  }

  .chapter,
  .chapter--plaza {
    align-items: center;
    grid-template-columns: 108px minmax(0, 1fr);
    gap: 14px;
    width: auto;
    margin: 0;
    padding: 14px;
    background: rgba(255, 255, 255, 0.76);
    border: 1px solid rgba(255, 255, 255, 0.9);
    border-radius: 8px;
    box-shadow: 0 18px 46px rgba(87, 58, 112, 0.11);
    scroll-snap-align: start;
  }

  .chapter--plaza .chapter-visual,
  .chapter--plaza .chapter-copy {
    order: initial;
  }

  .chapter-visual {
    align-self: stretch;
    min-height: 0;
  }

  .chapter-visual::before {
    inset: 12px 2px;
    border-radius: 8px;
    transform: rotate(-3deg);
  }

  .phone-frame {
    align-self: center;
    width: 102px;
    height: 188px;
    border-width: 5px;
    border-radius: 24px;
    transform: none;
  }

  .chapter-copy {
    min-width: 0;
  }

  .scene-label {
    margin-bottom: 6px;
    font-size: 12px;
  }

  .chapter-copy h3 {
    margin-bottom: 7px;
    font-size: 18px;
    line-height: 1.28;
  }

  .chapter-copy p:not(.scene-label) {
    display: -webkit-box;
    overflow: hidden;
    margin-bottom: 9px;
    font-size: 13px;
    line-height: 1.55;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
  }

  .chapter-points {
    gap: 6px;
  }

  .chapter-points li {
    min-height: 0;
    padding: 6px 8px 6px 24px;
    font-size: 12px;
    line-height: 1.35;
    box-shadow: none;
  }

  .chapter-points li::before {
    top: 10px;
    left: 10px;
    width: 7px;
    height: 7px;
    box-shadow: 0 0 0 4px rgba(255, 103, 168, 0.1);
  }

  .waterfall {
    grid-auto-columns: min(78vw, 304px);
    grid-template-columns: none;
  }

  .flow-card--short,
  .flow-card--mid {
    margin-top: 0;
  }

  .flow-card {
    scroll-snap-align: start;
  }

  .flow-card figure,
  .flow-card--tall figure,
  .flow-card--mid figure {
    height: 272px;
  }

  .flow-card div {
    padding: 18px;
  }

  .flow-kicker {
    margin-bottom: 10px;
  }

  .flow-card h3 {
    font-size: 18px;
  }

  .flow-card p {
    font-size: 13px;
    line-height: 1.6;
  }

  .feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }

  .feature-card {
    min-height: 0;
    padding: 16px;
  }

  .feature-card span {
    width: 34px;
    height: 34px;
    margin-bottom: 14px;
    font-size: 13px;
  }

  .feature-card h3 {
    font-size: 18px;
  }

  .feature-card p {
    font-size: 13px;
    line-height: 1.55;
  }

  .download-panel {
    grid-template-columns: 64px minmax(0, 1fr);
    gap: 16px;
    padding: 22px;
  }

  .download-panel > img {
    width: 64px;
    height: 64px;
  }

  .download-panel h2 {
    font-size: 28px;
  }

  .download-panel p:not(.eyebrow) {
    font-size: 14px;
    line-height: 1.65;
  }

  .download-actions {
    grid-column: 1 / -1;
    align-items: stretch;
    flex-direction: row;
    gap: 10px;
  }

  .store-button {
    flex: 1 1 0;
    width: auto;
    min-width: 0;
    min-height: 58px;
    padding: 10px 14px;
  }

  .store-button strong {
    font-size: 15px;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: row;
    gap: 10px;
  }

  .download-button {
    flex: 1 1 0;
    min-width: 0;
    min-height: 58px;
    padding: 10px 14px;
  }

  .download-button strong {
    font-size: 16px;
  }

  .site-footer {
    flex-direction: column;
    align-items: flex-start;
    padding: 26px 20px;
  }
}

@media (max-width: 520px) {
  h1 {
    font-size: 40px;
  }

  h2 {
    font-size: 32px;
  }

  h3 {
    font-size: 22px;
  }

  .hero-stage {
    height: 260px;
  }

  .hero-phone {
    width: 132px;
  }

  .hero-phone--main {
    height: 248px;
  }

  .hero-phone--left {
    top: 52px;
    height: 204px;
  }

  .hero-phone--right {
    height: 210px;
  }

  .hero-logo-card {
    display: none;
  }

  .chapter-visual {
    min-height: 0;
  }

  .phone-frame {
    width: 98px;
    height: 178px;
  }

  .flow-card figure,
  .flow-card--tall figure,
  .flow-card--mid figure {
    height: 248px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
  }
}