:root {
  --brand: #5268f4;
  --brand-deep: #3649d6;
  --purple: #7758d9;
  --blue: #2e91e8;
  --green: #1fbb8b;
  --amber: #f1a12b;
  --coral: #dc5d78;
  --ink: #171a2d;
  --muted: #687086;
  --line: #e6e8f1;
  --surface: #ffffff;
  --surface-soft: #f6f7fb;
  --hero: #eef0ff;
  --container: 1180px;
  --header-height: 72px;
  color-scheme: light;
  font-family: Inter, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  font-synthesis: none;
  letter-spacing: 0;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 16px);
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--surface);
  color: var(--ink);
  line-height: 1.6;
  letter-spacing: 0;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.menu-open {
  overflow: hidden;
}

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

button,
input,
textarea,
select {
  font: inherit;
  letter-spacing: 0;
}

button {
  color: inherit;
}

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

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

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

.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 1000;
  padding: 10px 14px;
  border-radius: 6px;
  background: var(--ink);
  color: #fff;
  transform: translateY(-150%);
  transition: transform 160ms ease;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  border-bottom: 1px solid rgba(230, 232, 241, 0.86);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(16px);
}

.header-inner {
  width: min(var(--container), calc(100% - 48px));
  height: 100%;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 32px;
}

.brand {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  gap: 12px;
  font-size: 19px;
  font-weight: 800;
  line-height: 1;
}

.brand-logo {
  width: 42px;
  height: 42px;
  border-radius: 8px;
}

.desktop-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 30px;
  margin-left: auto;
}

.nav-link {
  position: relative;
  padding: 24px 2px 22px;
  font-size: 15px;
  font-weight: 600;
  color: #3e4354;
  transition: color 160ms ease;
}

.nav-link::after {
  position: absolute;
  right: 0;
  bottom: 14px;
  left: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--brand);
  content: "";
  transform: scaleX(0);
  transition: transform 160ms ease;
}

.nav-link:hover,
.nav-link:focus-visible,
.nav-link.is-active {
  color: var(--brand-deep);
}

.nav-link.is-active::after {
  transform: scaleX(1);
}

.header-download {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  padding: 0 20px;
  border-radius: 8px;
  background: var(--brand);
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  box-shadow: 0 8px 24px rgba(82, 104, 244, 0.24);
  transition: background 160ms ease, transform 160ms ease;
}

.header-download:hover,
.header-download:focus-visible {
  background: var(--brand-deep);
  transform: translateY(-1px);
}

.icon-button {
  width: 42px;
  height: 42px;
  display: inline-grid;
  place-items: center;
  flex: 0 0 auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  cursor: pointer;
  transition: border-color 160ms ease, color 160ms ease, background 160ms ease;
}

.icon-button:hover,
.icon-button:focus-visible {
  border-color: #b9c0ee;
  background: #f7f8ff;
  color: var(--brand-deep);
}

.menu-button,
.mobile-nav {
  display: none;
}

.mask-icon {
  display: inline-block;
  width: 1.25em;
  height: 1.25em;
  flex: 0 0 auto;
  background: currentColor;
  mask-repeat: no-repeat;
  mask-position: center;
  mask-size: contain;
  -webkit-mask-repeat: no-repeat;
  -webkit-mask-position: center;
  -webkit-mask-size: contain;
}

.icon-menu { mask-image: url("assets/icons/menu.svg"); -webkit-mask-image: url("assets/icons/menu.svg"); }
.icon-close { mask-image: url("assets/icons/close.svg"); -webkit-mask-image: url("assets/icons/close.svg"); }
.icon-download { mask-image: url("assets/icons/download.svg"); -webkit-mask-image: url("assets/icons/download.svg"); }
.icon-mic { mask-image: url("assets/icons/mic.svg"); -webkit-mask-image: url("assets/icons/mic.svg"); }
.icon-translate { mask-image: url("assets/icons/translate.svg"); -webkit-mask-image: url("assets/icons/translate.svg"); }
.icon-volume { mask-image: url("assets/icons/volume.svg"); -webkit-mask-image: url("assets/icons/volume.svg"); }
.icon-search { mask-image: url("assets/icons/search.svg"); -webkit-mask-image: url("assets/icons/search.svg"); }
.icon-customer { mask-image: url("assets/icons/customer-service.svg"); -webkit-mask-image: url("assets/icons/customer-service.svg"); }
.icon-map-pin { mask-image: url("assets/icons/map-pin.svg"); -webkit-mask-image: url("assets/icons/map-pin.svg"); }
.icon-chevron-left { mask-image: url("assets/icons/chevron-left.svg"); -webkit-mask-image: url("assets/icons/chevron-left.svg"); }
.icon-chevron-right { mask-image: url("assets/icons/chevron-right.svg"); -webkit-mask-image: url("assets/icons/chevron-right.svg"); }
.icon-chevron-down { mask-image: url("assets/icons/chevron-down.svg"); -webkit-mask-image: url("assets/icons/chevron-down.svg"); }

.hero {
  position: relative;
  height: min(680px, calc(100svh - 88px));
  min-height: 590px;
  overflow: hidden;
  background: var(--hero);
}

.hero::after {
  position: absolute;
  inset: auto 0 0;
  height: 1px;
  background: #dfe2f7;
  content: "";
}

.hero-inner {
  position: relative;
  width: min(var(--container), calc(100% - 48px));
  height: 100%;
  margin: 0 auto;
}

.hero-copy {
  position: relative;
  z-index: 5;
  width: 53%;
  max-width: 630px;
  padding-top: 86px;
}

.eyebrow,
.section-kicker {
  margin-bottom: 14px;
  color: var(--brand-deep);
  font-size: 14px;
  font-weight: 800;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.eyebrow::before {
  width: 26px;
  height: 3px;
  border-radius: 2px;
  background: var(--brand);
  content: "";
}

.hero h1 {
  max-width: 620px;
  margin-bottom: 18px;
  color: #18204c;
  font-size: 54px;
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: 0;
}

.hero h1 span {
  color: var(--brand);
}

.hero-lead {
  margin-bottom: 12px;
  font-size: 22px;
  font-weight: 700;
  color: #303750;
}

.hero-description {
  max-width: 480px;
  margin-bottom: 28px;
  color: #68718d;
  font-size: 16px;
}

.hero-actions {
  display: flex;
  max-width: 500px;
  flex-wrap: wrap;
  gap: 12px;
}

.download-button {
  min-width: 180px;
  min-height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0 20px;
  border: 1px solid var(--brand);
  border-radius: 8px;
  font-weight: 750;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.download-button.primary {
  background: var(--brand);
  color: #fff;
  box-shadow: 0 12px 28px rgba(67, 86, 221, 0.2);
}

.download-button.secondary {
  background: rgba(255, 255, 255, 0.76);
  color: var(--brand-deep);
}

.download-button:hover,
.download-button:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 14px 32px rgba(67, 86, 221, 0.25);
}

.download-button.primary:hover,
.download-button.primary:focus-visible {
  background: var(--brand-deep);
}

.platform-mark {
  width: 25px;
  height: 25px;
  display: inline-grid;
  place-items: center;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 900;
}

.harmony-mark {
  background: #e83f58;
  color: #fff;
}

.hero-product {
  position: absolute;
  z-index: 2;
  top: 18px;
  right: -34px;
  width: 560px;
  height: 650px;
}

.hero-product::before {
  position: absolute;
  top: 86px;
  right: 16px;
  width: 430px;
  height: 420px;
  border: 1px solid rgba(93, 106, 215, 0.22);
  border-radius: 50%;
  content: "";
}

.phone-shot {
  position: absolute;
  overflow: hidden;
  border: 5px solid #20233a;
  border-radius: 42px;
  background: #7f83da;
  box-shadow: 0 26px 60px rgba(40, 45, 97, 0.25);
}

.phone-shot img {
  width: 100%;
  max-width: none;
}

.phone-shot-main {
  z-index: 2;
  top: 20px;
  left: 32px;
  width: 300px;
  height: 620px;
  transform: rotate(-3deg);
}

.phone-shot-main img {
  transform: translateY(-7px);
}

.phone-shot-side {
  z-index: 1;
  top: 94px;
  right: 0;
  width: 252px;
  height: 516px;
  border-width: 4px;
  border-radius: 36px;
  transform: rotate(4deg);
}

.phone-shot-side img {
  transform: translateY(-7px);
}

.hero-product-label {
  position: absolute;
  z-index: 4;
  right: 10px;
  bottom: 26px;
  min-width: 220px;
  padding: 12px 16px;
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 14px 30px rgba(53, 61, 125, 0.16);
}

.hero-product-label strong,
.hero-product-label span {
  display: block;
}

.hero-product-label strong {
  font-size: 15px;
}

.hero-product-label span {
  margin-top: 2px;
  color: var(--muted);
  font-size: 12px;
}

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

.capability-inner {
  width: min(var(--container), calc(100% - 48px));
  min-height: 110px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  align-items: center;
}

.capability-item {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px 22px;
  border-right: 1px solid var(--line);
}

.capability-item:first-child {
  padding-left: 0;
}

.capability-item:last-child {
  padding-right: 0;
  border-right: 0;
}

.capability-item h2 {
  margin-bottom: 2px;
  font-size: 15px;
  line-height: 1.3;
}

.capability-item p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

.capability-icon {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  border-radius: 8px;
  font-size: 22px;
}

.capability-icon.purple { background: #f0ebff; color: var(--purple); }
.capability-icon.blue { background: #e8f3ff; color: var(--blue); }
.capability-icon.green { background: #e4f8f2; color: var(--green); }
.capability-icon.amber { background: #fff1da; color: var(--amber); }

.section {
  padding: 92px 0;
}

.section-inner {
  width: min(var(--container), calc(100% - 48px));
  margin: 0 auto;
}

.section-heading {
  max-width: 650px;
  margin: 0 auto 44px;
  text-align: center;
}

.section-heading h2 {
  position: relative;
  margin-bottom: 18px;
  font-size: 34px;
  font-weight: 850;
  line-height: 1.2;
}

.section-heading h2::after {
  position: absolute;
  bottom: -9px;
  left: 50%;
  width: 34px;
  height: 3px;
  border-radius: 3px;
  background: var(--brand);
  content: "";
  transform: translateX(-50%);
}

.section-heading > p:last-child {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 15px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 16px;
}

.feature-card {
  min-height: 236px;
  padding: 28px 22px;
  border: 1px solid var(--line);
  border-top: 3px solid var(--accent);
  border-radius: 8px;
  background: #fff;
  text-align: center;
  transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

.feature-card:hover {
  border-color: color-mix(in srgb, var(--accent) 38%, #e6e8f1);
  box-shadow: 0 18px 38px rgba(33, 37, 71, 0.09);
  transform: translateY(-4px);
}

.feature-card h3 {
  margin-bottom: 10px;
  font-size: 18px;
}

.feature-card p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 13px;
}

.feature-icon {
  width: 60px;
  height: 60px;
  display: grid;
  place-items: center;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--accent) 13%, white);
  color: var(--accent);
  font-size: 28px;
}

.accent-purple { --accent: var(--purple); }
.accent-blue { --accent: var(--blue); }
.accent-green { --accent: var(--green); }
.accent-amber { --accent: var(--amber); }
.accent-coral { --accent: var(--coral); }

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

.preview-inner {
  position: relative;
}

.preview-heading {
  margin-bottom: 38px;
}

.preview-controls {
  position: absolute;
  top: 72px;
  right: 0;
  display: flex;
  gap: 10px;
}

.carousel-button {
  color: var(--brand-deep);
}

.preview-track {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  padding: 8px 2px 18px;
  scroll-behavior: smooth;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
}

.preview-track::-webkit-scrollbar {
  display: none;
}

.preview-track:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 8px;
}

.preview-slide {
  width: calc((100% - 60px) / 4);
  min-width: calc((100% - 60px) / 4);
  aspect-ratio: 1242 / 2688;
  overflow: hidden;
  padding: 0;
  border: 1px solid #dfe2ed;
  border-radius: 8px;
  background: #8589dc;
  box-shadow: 0 12px 28px rgba(34, 39, 79, 0.1);
  cursor: zoom-in;
  scroll-snap-align: start;
  transition: box-shadow 180ms ease, transform 180ms ease;
}

.preview-slide:hover,
.preview-slide:focus-visible {
  box-shadow: 0 20px 42px rgba(34, 39, 79, 0.18);
  transform: translateY(-4px);
}

.preview-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.carousel-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 16px;
}

.carousel-dots button {
  width: 8px;
  height: 8px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: #cfd3e6;
  cursor: pointer;
  transition: width 160ms ease, border-radius 160ms ease, background 160ms ease;
}

.carousel-dots button.is-active {
  width: 24px;
  border-radius: 4px;
  background: var(--brand);
}

.download-section {
  background: #fff;
}

.download-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.platform-card {
  --platform-color: var(--brand);
  min-height: 245px;
  display: grid;
  grid-template-columns: 1fr 110px;
  grid-template-rows: 1fr auto;
  gap: 18px;
  padding: 26px;
  border: 1px solid color-mix(in srgb, var(--platform-color) 26%, #e5e7ef);
  border-radius: 8px;
  background: color-mix(in srgb, var(--platform-color) 5%, white);
}

.platform-ios { --platform-color: #4652bf; }
.platform-android { --platform-color: #1eaa76; }
.platform-harmony { --platform-color: #df4d67; }

.platform-content {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.platform-content h3 {
  margin-bottom: 4px;
  font-size: 19px;
}

.platform-content p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 13px;
}

.platform-badge {
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  border-radius: 8px;
  background: var(--platform-color);
  color: #fff;
  font-size: 14px;
  font-weight: 850;
}

.qr-code {
  width: 110px;
  height: 110px;
  padding: 7px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  image-rendering: pixelated;
}

.platform-card > a {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  grid-column: 1 / -1;
  border: 1px solid var(--platform-color);
  border-radius: 8px;
  background: #fff;
  color: var(--platform-color);
  font-size: 14px;
  font-weight: 750;
  transition: background 160ms ease, color 160ms ease;
}

.platform-card > a:hover,
.platform-card > a:focus-visible {
  background: var(--platform-color);
  color: #fff;
}

.faq-section {
  padding-top: 76px;
  background: var(--surface-soft);
}

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

.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: start;
  gap: 14px;
}

.faq-grid details {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

.faq-grid details[open] {
  border-color: #cbd0f5;
  box-shadow: 0 10px 24px rgba(35, 41, 86, 0.06);
}

.faq-grid summary {
  min-height: 62px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 15px 20px;
  font-size: 15px;
  font-weight: 750;
  cursor: pointer;
  list-style: none;
}

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

.faq-grid summary .mask-icon {
  color: var(--brand);
  transition: transform 180ms ease;
}

.faq-grid details[open] summary .mask-icon {
  transform: rotate(180deg);
}

.faq-grid details p {
  margin: 0;
  padding: 0 20px 18px;
  color: var(--muted);
  font-size: 13px;
}

.site-footer {
  border-top: 1px solid var(--line);
  background: #fff;
}

.footer-inner {
  width: min(var(--container), calc(100% - 48px));
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.1fr 1.4fr auto;
  gap: 64px;
  padding: 52px 0 40px;
}

.footer-brand p {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, minmax(100px, 1fr));
  gap: 28px;
}

.footer-links h2 {
  margin-bottom: 12px;
  font-size: 13px;
}

.footer-links a {
  display: block;
  margin: 7px 0;
  color: var(--muted);
  font-size: 12px;
}

.footer-links a:hover,
.footer-links a:focus-visible {
  color: var(--brand-deep);
}

.footer-app {
  display: flex;
  align-items: center;
  align-self: start;
  gap: 12px;
}

.footer-app img {
  width: 64px;
  height: 64px;
  border-radius: 8px;
}

.footer-app strong,
.footer-app span {
  display: block;
}

.footer-app strong {
  font-size: 14px;
}

.footer-app span {
  margin-top: 4px;
  color: var(--muted);
  font-size: 11px;
}

.footer-bottom {
  min-height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-top: 1px solid var(--line);
  color: #7b8193;
  font-size: 11px;
}

.preview-dialog {
  width: min(440px, calc(100% - 32px));
  max-height: calc(100svh - 32px);
  overflow: visible;
  padding: 0;
  border: 0;
  border-radius: 8px;
  background: transparent;
}

.preview-dialog::backdrop {
  background: rgba(20, 23, 42, 0.76);
  backdrop-filter: blur(7px);
}

.preview-dialog img {
  width: 100%;
  max-height: calc(100svh - 32px);
  border-radius: 8px;
  object-fit: contain;
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.4);
}

.dialog-close {
  position: absolute;
  z-index: 2;
  top: 10px;
  right: 10px;
  border-color: rgba(255, 255, 255, 0.8);
  background: rgba(255, 255, 255, 0.92);
  color: var(--ink);
}

@media (max-width: 1060px) {
  .desktop-nav {
    gap: 18px;
  }

  .hero-copy {
    width: 56%;
  }

  .hero h1 {
    font-size: 46px;
  }

  .hero-product {
    right: -98px;
    transform: scale(0.92);
    transform-origin: center right;
  }

  .feature-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .platform-card {
    grid-template-columns: 1fr 88px;
    padding: 22px;
  }

  .qr-code {
    width: 88px;
    height: 88px;
  }

  .footer-inner {
    grid-template-columns: 1fr 1.7fr;
  }

  .footer-app {
    display: none;
  }
}

@media (max-width: 820px) {
  :root {
    --header-height: 64px;
  }

  .header-inner,
  .hero-inner,
  .capability-inner,
  .section-inner,
  .footer-inner {
    width: min(100% - 32px, var(--container));
  }

  .desktop-nav,
  .header-download {
    display: none;
  }

  .menu-button {
    display: inline-grid;
    margin-left: auto;
  }

  .mobile-nav {
    position: fixed;
    inset: var(--header-height) 0 auto;
    display: grid;
    grid-template-columns: 1fr;
    gap: 4px;
    padding: 14px 16px 20px;
    border-bottom: 1px solid var(--line);
    background: #fff;
    box-shadow: 0 16px 28px rgba(26, 30, 62, 0.1);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-12px);
    transition: opacity 160ms ease, transform 160ms ease;
  }

  .mobile-nav.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .mobile-nav a {
    min-height: 44px;
    display: flex;
    align-items: center;
    padding: 0 12px;
    border-radius: 6px;
    font-size: 15px;
    font-weight: 700;
  }

  .mobile-nav a:hover,
  .mobile-nav a:focus-visible {
    background: #f1f3ff;
    color: var(--brand-deep);
  }

  .hero {
    height: calc(100svh - 96px);
    min-height: 560px;
    max-height: 700px;
  }

  .hero-copy {
    width: 100%;
    max-width: 520px;
    padding-top: 46px;
  }

  .hero h1 {
    font-size: 42px;
  }

  .hero-lead {
    font-size: 18px;
  }

  .hero-description {
    max-width: 430px;
    margin-bottom: 22px;
    font-size: 14px;
  }

  .hero-product {
    top: auto;
    right: -56px;
    bottom: -235px;
    width: 410px;
    height: 520px;
    transform: scale(0.78);
    transform-origin: bottom right;
  }

  .phone-shot-side,
  .hero-product-label {
    display: none;
  }

  .capability-inner {
    min-height: 100px;
    grid-template-columns: repeat(4, 220px);
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
  }

  .capability-inner::-webkit-scrollbar {
    display: none;
  }

  .capability-item {
    scroll-snap-align: start;
  }

  .capability-item:first-child {
    padding-left: 8px;
  }

  .section {
    padding: 72px 0;
  }

  .section-heading {
    margin-bottom: 36px;
  }

  .section-heading h2 {
    font-size: 30px;
  }

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

  .preview-controls {
    display: none;
  }

  .preview-slide {
    width: 42%;
    min-width: 42%;
  }

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

  .platform-card {
    min-height: 190px;
    grid-template-columns: 1fr 112px;
  }

  .qr-code {
    width: 112px;
    height: 112px;
  }

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

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 36px;
  }
}

@media (max-width: 560px) {
  .brand {
    gap: 9px;
    font-size: 17px;
  }

  .brand-logo {
    width: 38px;
    height: 38px;
  }

  .hero {
    height: calc(100svh - 88px);
    min-height: 574px;
  }

  .hero-copy {
    padding-top: 30px;
  }

  .eyebrow {
    margin-bottom: 10px;
    font-size: 12px;
  }

  .hero h1 {
    margin-bottom: 12px;
    font-size: 36px;
    line-height: 1.14;
  }

  .hero-lead {
    margin-bottom: 8px;
    font-size: 16px;
  }

  .hero-description {
    max-width: 330px;
    margin-bottom: 16px;
    font-size: 13px;
  }

  .hero-actions {
    max-width: 344px;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }

  .download-button {
    min-width: 0;
    min-height: 44px;
    padding: 0 10px;
    font-size: 13px;
  }

  .download-button.secondary {
    grid-column: 1 / -1;
    width: calc(50% - 4px);
  }

  .hero-product {
    right: -16px;
    bottom: -36px;
    transform: scale(0.68);
  }

  .section {
    padding: 60px 0;
  }

  .section-kicker {
    margin-bottom: 10px;
    font-size: 12px;
  }

  .section-heading h2 {
    font-size: 27px;
  }

  .section-heading > p:last-child {
    font-size: 13px;
  }

  .feature-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .feature-card {
    min-height: 0;
    display: grid;
    grid-template-columns: 52px 1fr;
    grid-template-rows: auto auto;
    column-gap: 16px;
    padding: 20px;
    text-align: left;
  }

  .feature-icon {
    width: 52px;
    height: 52px;
    grid-row: 1 / 3;
    margin: 0;
    font-size: 24px;
  }

  .feature-card h3 {
    align-self: end;
    margin-bottom: 4px;
    font-size: 16px;
  }

  .feature-card p {
    font-size: 12px;
  }

  .preview-slide {
    width: 78%;
    min-width: 78%;
  }

  .platform-card {
    min-height: 168px;
    grid-template-columns: 1fr 84px;
    gap: 12px;
    padding: 18px;
  }

  .platform-content {
    gap: 10px;
  }

  .platform-badge {
    width: 46px;
    height: 46px;
    font-size: 12px;
  }

  .platform-content h3 {
    font-size: 16px;
  }

  .platform-content p {
    font-size: 11px;
  }

  .qr-code {
    width: 84px;
    height: 84px;
  }

  .faq-grid summary {
    min-height: 58px;
    padding: 14px 16px;
    font-size: 14px;
  }

  .faq-grid details p {
    padding: 0 16px 16px;
  }

  .footer-links {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 360px) {
  .hero-product {
    right: -40px;
    bottom: -82px;
    transform: scale(0.58);
  }
}

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

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

/* 2026 product-site visual refresh */
.site-header {
  border-bottom-color: rgba(219, 221, 232, 0.78);
  box-shadow: 0 1px 0 rgba(20, 24, 45, 0.02);
}

.header-download {
  border-radius: 999px;
  box-shadow: none;
}

.hero {
  background:
    radial-gradient(circle at 87% 18%, rgba(136, 147, 255, 0.22), transparent 30%),
    linear-gradient(115deg, #f8f7f3 0%, #f4f3f7 48%, #eceeff 100%);
}

.hero::before {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(79, 88, 154, 0.035) 1px, transparent 1px), linear-gradient(90deg, rgba(79, 88, 154, 0.035) 1px, transparent 1px);
  background-size: 48px 48px;
  content: "";
  mask-image: linear-gradient(90deg, transparent, #000 55%, #000);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 55%, #000);
}

.eyebrow::before {
  width: 9px;
  height: 9px;
  border-radius: 50%;
}

.hero h1 {
  letter-spacing: -0.035em;
}

.download-button {
  border-radius: 999px;
}

.download-platform {
  width: 28px;
  height: 28px;
  display: inline-grid;
  place-items: center;
  flex: 0 0 auto;
  border-radius: 8px;
}

.download-platform img {
  width: 18px;
  height: 18px;
  object-fit: contain;
}

.appstore-download {
  background: linear-gradient(180deg, #42b5f5, #1376e5);
}

.android-download {
  background: #f7fbf8;
}

.appgallery-download {
  background: #d92c49;
}

.hero-product::before {
  border-color: rgba(82, 104, 244, 0.16);
}

.phone-shot {
  box-shadow: 0 34px 80px rgba(33, 38, 86, 0.22);
}

.capability-strip {
  position: relative;
  z-index: 2;
}

.capability-icon,
.capability-icon.purple,
.capability-icon.blue,
.capability-icon.green,
.capability-icon.amber {
  border: 1px solid #e6e7ee;
  border-radius: 12px;
  background: #f5f5f7;
  color: #343a68;
}

.features-section {
  overflow: hidden;
  background: #f7f6f2;
}

.features-section .section-heading {
  max-width: 760px;
  margin-right: 0;
  margin-left: 0;
  text-align: left;
}

.features-section .section-heading h2 {
  max-width: none;
  margin-bottom: 12px;
  font-size: clamp(38px, 4.5vw, 58px);
  letter-spacing: -0.04em;
}

.features-section .section-heading h2::after,
.preview-section .section-heading h2::after,
.download-section .section-heading h2::after,
.faq-section .section-heading h2::after {
  display: none;
}

.feature-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(340px, 0.88fr);
  grid-template-rows: auto 1fr;
  gap: 18px;
}

.feature-spotlight {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(42, 47, 79, 0.1);
  border-radius: 24px;
}

.feature-voice {
  min-height: 600px;
  display: grid;
  grid-row: 1 / 3;
  grid-template-rows: auto 1fr;
  padding: 44px;
  background: #e8eaff;
}

.feature-voice::after {
  position: absolute;
  right: -120px;
  bottom: -160px;
  width: 420px;
  height: 420px;
  border: 1px solid rgba(70, 81, 175, 0.14);
  border-radius: 50%;
  content: "";
}

.feature-copy-block {
  position: relative;
  z-index: 2;
  max-width: 480px;
}

.feature-index {
  display: block;
  margin-bottom: 28px;
  color: #6d7390;
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.feature-spotlight .feature-icon {
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  margin: 0 0 28px;
  border: 1px solid rgba(61, 72, 161, 0.14);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.66);
  color: #4857d7;
  font-size: 26px;
}

.feature-spotlight h3 {
  max-width: 540px;
  margin-bottom: 18px;
  font-size: clamp(30px, 3.4vw, 48px);
  line-height: 1.12;
  letter-spacing: -0.04em;
}

.feature-spotlight p {
  max-width: 520px;
  margin-bottom: 0;
  color: #596078;
  font-size: 15px;
  line-height: 1.85;
}

.voice-sample {
  position: relative;
  z-index: 2;
  align-self: end;
  width: min(430px, 88%);
  margin-top: 42px;
  margin-left: auto;
  padding: 24px 26px;
  border: 1px solid rgba(255, 255, 255, 0.78);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: 0 22px 54px rgba(54, 63, 139, 0.13);
  backdrop-filter: blur(12px);
  transform: rotate(-1.5deg);
}

.voice-status {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: #717895;
  font-size: 11px;
  font-weight: 700;
}

.voice-status i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #28b486;
  box-shadow: 0 0 0 5px rgba(40, 180, 134, 0.1);
}

.waveform {
  height: 54px;
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 17px 0 14px;
}

.waveform i {
  width: 6px;
  height: var(--wave-height, 22px);
  border-radius: 99px;
  background: #5667eb;
}

.waveform i:nth-child(2), .waveform i:nth-child(8) { --wave-height: 34px; }
.waveform i:nth-child(3), .waveform i:nth-child(7) { --wave-height: 45px; }
.waveform i:nth-child(4), .waveform i:nth-child(6) { --wave-height: 29px; }
.waveform i:nth-child(5) { --wave-height: 52px; }

.voice-sample p {
  margin-bottom: 2px;
  color: #7b8195;
  font-size: 13px;
}

.voice-sample strong {
  font-size: 22px;
}

.feature-convert {
  min-height: 340px;
  padding: 34px;
  background: #1c2135;
  color: #fff;
}

.feature-convert .feature-index,
.feature-convert p {
  color: #aeb4c8;
}

.feature-convert .feature-icon {
  border-color: rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.08);
  color: #aeb7ff;
}

.feature-convert h3 {
  font-size: clamp(28px, 2.7vw, 39px);
}

.translation-sample {
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 7px 12px;
  margin-top: 28px;
  padding: 18px 20px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.055);
}

.translation-sample span {
  color: #8f97b1;
  font-size: 11px;
}

.translation-sample p,
.translation-sample strong {
  color: #fff;
  font-size: 15px;
}

.translation-sample i {
  grid-column: 2;
  color: #7886f3;
  font-style: normal;
}

.feature-list {
  align-self: stretch;
  padding: 4px 28px;
  border: 1px solid rgba(42, 47, 79, 0.1);
  border-radius: 24px;
  background: #fff;
}

.feature-row {
  min-height: 116px;
  display: grid;
  grid-template-columns: 36px 48px 1fr;
  align-items: center;
  gap: 14px;
  padding: 18px 0;
  border-bottom: 1px solid #e9e8e3;
}

.feature-row:last-child {
  border-bottom: 0;
}

.feature-row .feature-index {
  margin: 0;
  color: #a0a3ae;
}

.feature-row-icon {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: #f1f2f8;
  color: #4857ca;
  font-size: 21px;
}

.feature-row h3 {
  margin-bottom: 3px;
  font-size: 16px;
}

.feature-row p {
  margin: 0;
  color: #747988;
  font-size: 12px;
  line-height: 1.55;
}

.preview-section {
  background: #1c2135;
  color: #fff;
}

.preview-section .section-kicker {
  color: #aeb7ff;
}

.preview-section .section-heading > p:last-child {
  color: #adb3c7;
}

.preview-slide {
  overflow: hidden;
  border-color: rgba(255, 255, 255, 0.12);
  border-radius: 20px;
  background: #6067bd;
  box-shadow: 0 22px 52px rgba(0, 0, 0, 0.22);
}

.carousel-button {
  border-color: rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

.download-section {
  background: #f7f6f2;
}

.platform-card {
  min-height: 260px;
  border-color: #ddddd8;
  border-radius: 20px;
  background: #fff;
  box-shadow: 0 14px 36px rgba(30, 34, 61, 0.045);
}

.platform-badge {
  border-radius: 14px;
  background: #f4f4f5;
}

.platform-badge img {
  display: block;
  object-fit: contain;
}

.appstore-badge {
  background: linear-gradient(180deg, #42b5f5, #1376e5);
}

.android-badge {
  border: 1px solid #dcecdf;
  background: #f7fbf8;
}

.appgallery-badge {
  background: #d92c49;
}

.platform-card > a {
  border-color: #262b3f;
  border-radius: 999px;
  color: #262b3f;
}

.platform-card > a:hover,
.platform-card > a:focus-visible {
  background: #262b3f;
  color: #fff;
}

.faq-section {
  background: #fff;
}

.faq-grid details,
.faq-grid details[open] {
  border-color: #e2e2de;
  border-radius: 14px;
  box-shadow: none;
}

.site-footer {
  border-top: 0;
  background: #171b2c;
  color: #fff;
}

.footer-brand p,
.footer-links a,
.footer-app span {
  color: #aeb3c2;
}

.footer-links a:hover,
.footer-links a:focus-visible {
  color: #fff;
}

.footer-bottom {
  min-height: 58px;
  gap: 26px;
  border-top-color: rgba(255, 255, 255, 0.1);
  color: #8e94a7;
}

@media (max-width: 1060px) {
  .feature-layout {
    grid-template-columns: minmax(0, 1fr) minmax(310px, 0.8fr);
  }

  .feature-voice {
    padding: 36px;
  }
}

@media (max-width: 820px) {
  .feature-layout {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
  }

  .feature-voice {
    min-height: 560px;
    grid-row: auto;
  }

  .feature-convert {
    min-height: 380px;
  }

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

  .footer-bottom {
    flex-direction: column;
    gap: 3px;
    padding: 14px 16px;
    text-align: center;
  }
}

@media (max-width: 560px) {
  .hero-actions .download-button {
    min-width: 0;
  }

  .feature-voice,
  .feature-convert {
    padding: 26px 22px;
    border-radius: 18px;
  }

  .feature-voice {
    min-height: 520px;
  }

  .feature-spotlight h3 {
    font-size: 31px;
  }

  .voice-sample {
    width: 100%;
    padding: 20px;
    transform: none;
  }

  .feature-list {
    padding: 2px 20px;
    border-radius: 18px;
  }

  .feature-row {
    grid-template-columns: 30px 42px 1fr;
    gap: 10px;
  }

  .feature-row-icon {
    width: 40px;
    height: 40px;
  }

  .platform-card {
    border-radius: 16px;
  }
}
