:root {
  --bg-dark: #0a1113;
  --bg-deep: #05090a;
  --bg-soft: #111b1e;
  --surface: #152225;
  --surface-strong: #1a2b2f;
  --surface-light: #eef3f3;
  --surface-white: #ffffff;

  --text: #f3f7f7;
  --text-soft: #9aacaf;
  --text-dark: #152326;
  --text-dark-soft: #67787b;

  --brand: #79cf4c;
  --brand-strong: #98e568;
  --brand-deep: #2f8339;
  --brand-soft: rgba(121, 207, 76, 0.14);

  --ios: #d7e1e3;
  --android: #78cf4c;
  --danger: #dd5959;
  --warning: #dcb55b;
  --blue: #6e9fe8;

  --line: rgba(255, 255, 255, 0.1);
  --line-dark: rgba(18, 48, 52, 0.14);

  --container: 1240px;
  --header-height: 74px;

  --radius-small: 8px;
  --radius-medium: 16px;
  --radius-large: 26px;
  --radius-round: 999px;

  --shadow-small: 0 14px 36px rgba(0, 0, 0, 0.16);
  --shadow-medium: 0 28px 80px rgba(0, 0, 0, 0.25);
  --shadow-large: 0 38px 110px rgba(0, 0, 0, 0.35);

  --transition: 180ms ease;
}

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

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

body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  background: var(--bg-dark);
  color: var(--text);
  font-family:
    Arial,
    "PingFang SC",
    "Microsoft YaHei",
    sans-serif;
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.menu-open {
  overflow: hidden;
}

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

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

button {
  border: 0;
  background: none;
  color: inherit;
  cursor: pointer;
}

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

button:focus-visible,
a:focus-visible {
  outline: 3px solid rgba(152, 229, 104, 0.78);
  outline-offset: 3px;
}

[hidden] {
  display: none !important;
}

.site-shell {
  position: relative;
  overflow: clip;
}

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

.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  color: var(--brand-strong);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.17em;
  line-height: 1.3;
  text-transform: uppercase;
}

.section-eyebrow::before {
  width: 26px;
  height: 1px;
  background: currentColor;
  content: "";
  opacity: 0.8;
}

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

h1,
h2,
h3 {
  margin-bottom: 0;
  line-height: 1.12;
  letter-spacing: -0.035em;
}

h1 {
  font-size: clamp(46px, 6.3vw, 88px);
  font-weight: 790;
}

h2 {
  font-size: clamp(35px, 4.5vw, 58px);
  font-weight: 770;
}

h3 {
  font-size: 21px;
  font-weight: 740;
}

p {
  margin-bottom: 0;
  color: var(--text-soft);
}

.skip-link {
  position: fixed;
  z-index: 5000;
  top: 14px;
  left: 14px;
  padding: 10px 14px;
  border-radius: 7px;
  background: #fff;
  color: #111;
  font-weight: 700;
  transform: translateY(-150%);
  transition: transform var(--transition);
}

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

/* Header */

.site-header {
  position: fixed;
  z-index: 1000;
  top: 0;
  right: 0;
  left: 0;
  height: var(--header-height);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(7, 12, 14, 0.72);
  backdrop-filter: blur(20px);
  transition:
    background-color var(--transition),
    box-shadow var(--transition),
    border-color var(--transition);
}

.site-header.is-scrolled {
  border-bottom-color: rgba(255, 255, 255, 0.1);
  background: rgba(7, 12, 14, 0.95);
  box-shadow: 0 14px 44px rgba(0, 0, 0, 0.2);
}

.header-inner {
  display: flex;
  height: 100%;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand-link {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
}

.brand-link img {
  width: 148px;
  height: auto;
}

.desktop-navigation {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 28px;
}

.desktop-navigation a {
  position: relative;
  color: #aebdc0;
  font-size: 14px;
  font-weight: 670;
  white-space: nowrap;
  transition: color var(--transition);
}

.desktop-navigation a::after {
  position: absolute;
  right: 0;
  bottom: -9px;
  left: 0;
  height: 2px;
  border-radius: var(--radius-round);
  background: var(--brand);
  content: "";
  transform: scaleX(0);
  transition: transform var(--transition);
}

.desktop-navigation a:hover,
.desktop-navigation a.is-active {
  color: var(--text);
}

.desktop-navigation a:hover::after,
.desktop-navigation a.is-active::after {
  transform: scaleX(1);
}

.header-actions {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 9px;
}

.header-platform-button {
  min-height: 40px;
  padding: 9px 15px;
  border: 1px solid rgba(121, 207, 76, 0.36);
  border-radius: 7px;
  background: rgba(121, 207, 76, 0.09);
  color: var(--brand-strong);
  font-size: 12px;
  font-weight: 790;
  transition:
    background-color var(--transition),
    color var(--transition),
    border-color var(--transition),
    transform var(--transition);
}

.header-platform-button:hover {
  border-color: var(--brand);
  background: rgba(121, 207, 76, 0.15);
  transform: translateY(-1px);
}

.header-platform-button.is-ios {
  border-color: rgba(215, 225, 227, 0.25);
  background: rgba(215, 225, 227, 0.08);
  color: #e6edef;
}

.header-platform-button.is-ios:hover {
  border-color: rgba(215, 225, 227, 0.5);
  background: rgba(215, 225, 227, 0.14);
}

.mobile-menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.mobile-menu-toggle span {
  display: block;
  width: 19px;
  height: 2px;
  border-radius: var(--radius-round);
  background: #fff;
  transition:
    transform var(--transition),
    opacity var(--transition);
}

.mobile-menu-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.mobile-menu-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-navigation {
  position: fixed;
  z-index: 999;
  top: var(--header-height);
  right: 0;
  left: 0;
  max-height: calc(100vh - var(--header-height));
  overflow-y: auto;
  padding: 12px 20px 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(7, 12, 14, 0.98);
  box-shadow: 0 20px 54px rgba(0, 0, 0, 0.34);
}

.mobile-navigation a {
  display: flex;
  min-height: 50px;
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  color: #d7e0e2;
  font-size: 15px;
  font-weight: 660;
}

/* Hero */

.mobile-hero {
  position: relative;
  min-height: 860px;
  overflow: hidden;
  padding: calc(var(--header-height) + 70px) 0 0;
  background:
    radial-gradient(circle at 75% 35%, rgba(121, 207, 76, 0.16), transparent 32%),
    linear-gradient(145deg, #0b1517 0%, #121e21 50%, #091214 100%);
}

.mobile-hero-background,
.mobile-hero-glow {
  position: absolute;
  inset: 0;
}

.mobile-hero-background img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.16;
  filter: saturate(0.55) contrast(1.02);
}

.mobile-hero-glow {
  background:
    linear-gradient(90deg, rgba(7, 13, 15, 0.96) 0%, rgba(7, 13, 15, 0.68) 48%, rgba(7, 13, 15, 0.25) 78%, rgba(7, 13, 15, 0.62) 100%),
    linear-gradient(180deg, rgba(7, 13, 15, 0.1) 0%, rgba(7, 13, 15, 0.72) 100%);
}

.mobile-hero-layout {
  position: relative;
  z-index: 3;
  display: grid;
  min-height: 700px;
  align-items: center;
  gap: 60px;
  grid-template-columns: minmax(0, 0.88fr) minmax(520px, 1.12fr);
}

.mobile-hero-copy {
  max-width: 620px;
}

.mobile-hero-copy h1 {
  margin-bottom: 25px;
}

.mobile-hero-copy h1 span {
  display: block;
  color: var(--brand-strong);
}

.mobile-hero-intro {
  max-width: 620px;
  font-size: 18px;
  line-height: 1.85;
}

.mobile-system-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.mobile-system-pills span {
  display: inline-flex;
  min-height: 34px;
  align-items: center;
  gap: 9px;
  padding: 7px 12px;
  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: var(--radius-round);
  background: rgba(255, 255, 255, 0.05);
  color: #d3dddf;
  font-size: 12px;
  font-weight: 720;
}

.mobile-system-pills i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--brand);
  box-shadow: 0 0 13px rgba(121, 207, 76, 0.68);
}

.mobile-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.primary-action,
.secondary-action {
  display: grid;
  min-width: 190px;
  min-height: 72px;
  align-content: center;
  padding: 13px 20px;
  border-radius: 10px;
  text-align: left;
  transition:
    transform var(--transition),
    background-color var(--transition),
    border-color var(--transition),
    box-shadow var(--transition);
}

.primary-action {
  background: var(--brand);
  color: #0c210f;
  box-shadow: 0 15px 34px rgba(121, 207, 76, 0.2);
}

.primary-action:hover {
  background: var(--brand-strong);
  transform: translateY(-2px);
}

.secondary-action {
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  backdrop-filter: blur(12px);
}

.secondary-action:hover {
  border-color: rgba(255, 255, 255, 0.28);
  background: rgba(255, 255, 255, 0.13);
  transform: translateY(-2px);
}

.primary-action span,
.secondary-action span,
.primary-action strong,
.secondary-action strong {
  display: block;
}

.primary-action span,
.secondary-action span {
  margin-bottom: 3px;
  font-size: 10px;
  font-weight: 820;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.primary-action strong,
.secondary-action strong {
  font-size: 15px;
}

.hero-support-links {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin-top: 20px;
}

.hero-support-links a {
  color: #8fa2a5;
  font-size: 13px;
  font-weight: 660;
  transition: color var(--transition);
}

.hero-support-links a:hover {
  color: var(--brand-strong);
}

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

.device-orbit {
  position: absolute;
  border: 1px solid rgba(121, 207, 76, 0.18);
  border-radius: 50%;
  pointer-events: none;
}

.device-orbit-one {
  top: 9%;
  right: 6%;
  width: 480px;
  height: 480px;
}

.device-orbit-two {
  top: 20%;
  right: 15%;
  width: 330px;
  height: 330px;
  border-color: rgba(255, 255, 255, 0.1);
}

.hero-device-image {
  position: absolute;
  z-index: 3;
  inset: 5% 0 0 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-device-image img {
  width: min(100%, 610px);
  max-height: 610px;
  object-fit: contain;
  filter: drop-shadow(0 34px 54px rgba(0, 0, 0, 0.38));
}

.floating-app-icon {
  position: absolute;
  z-index: 5;
  top: 6%;
  left: 5%;
  display: flex;
  width: 120px;
  min-height: 145px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 12px;
  padding: 15px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 21px;
  background: rgba(8, 16, 18, 0.8);
  box-shadow: var(--shadow-medium);
  backdrop-filter: blur(16px);
}

.floating-app-icon img {
  width: 72px;
  height: 72px;
  object-fit: contain;
}

.floating-app-icon span {
  color: #aebdc0;
  font-size: 10px;
  font-weight: 760;
  letter-spacing: 0.08em;
  text-align: center;
  text-transform: uppercase;
}

.device-status-panel {
  position: absolute;
  z-index: 5;
  min-width: 190px;
  padding: 15px 17px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  background: rgba(7, 14, 16, 0.84);
  box-shadow: var(--shadow-small);
  backdrop-filter: blur(14px);
}

.device-status-android {
  right: 3%;
  bottom: 18%;
}

.device-status-ios {
  left: 1%;
  bottom: 8%;
}

.device-status-label {
  display: block;
  margin-bottom: 5px;
  color: var(--brand-strong);
  font-size: 10px;
  font-weight: 820;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.device-status-panel strong,
.device-status-panel small {
  display: block;
}

.device-status-panel strong {
  margin-bottom: 3px;
  color: #edf3f4;
  font-size: 14px;
}

.device-status-panel small {
  color: #84979a;
  font-size: 10px;
}

.hero-bottom-rail {
  position: relative;
  z-index: 4;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(3, 8, 9, 0.34);
  backdrop-filter: blur(12px);
}

.hero-bottom-rail-inner {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.hero-bottom-rail-inner > div {
  min-height: 86px;
  padding: 18px 20px;
  border-right: 1px solid rgba(255, 255, 255, 0.08);
}

.hero-bottom-rail-inner > div:first-child {
  padding-left: 0;
}

.hero-bottom-rail-inner > div:last-child {
  padding-right: 0;
  border-right: 0;
}

.hero-bottom-rail-inner span,
.hero-bottom-rail-inner strong {
  display: block;
}

.hero-bottom-rail-inner span {
  margin-bottom: 5px;
  color: #6f8285;
  font-size: 9px;
  font-weight: 790;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.hero-bottom-rail-inner strong {
  color: #d9e2e3;
  font-size: 12px;
}

/* Experience overview */

.experience-overview {
  padding: 112px 0;
  background: #f1f5f5;
  color: var(--text-dark);
}

.experience-overview-layout {
  display: grid;
  align-items: start;
  gap: 80px;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
}

.experience-overview-heading {
  max-width: 560px;
}

.experience-overview-heading h2 {
  margin-bottom: 22px;
}

.experience-overview-heading p {
  margin-bottom: 28px;
  color: var(--text-dark-soft);
  font-size: 17px;
}

.inline-text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--brand-deep);
  font-size: 14px;
  font-weight: 760;
}

.inline-text-link::after {
  content: "→";
  transition: transform var(--transition);
}

.inline-text-link:hover::after {
  transform: translateX(4px);
}

.experience-track {
  border-top: 1px solid var(--line-dark);
}

.experience-track-item {
  display: grid;
  min-height: 128px;
  align-items: center;
  gap: 20px;
  padding: 25px 0;
  border-bottom: 1px solid var(--line-dark);
  grid-template-columns: 48px 1fr auto;
}

.experience-index {
  display: flex;
  width: 38px;
  height: 38px;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(47, 131, 57, 0.28);
  border-radius: 50%;
  color: var(--brand-deep);
  font-size: 10px;
  font-weight: 820;
}

.experience-track-item h3 {
  margin-bottom: 8px;
  font-size: 18px;
}

.experience-track-item p {
  color: var(--text-dark-soft);
  font-size: 14px;
}

.experience-state {
  padding: 6px 10px;
  border-radius: var(--radius-round);
  background: rgba(47, 131, 57, 0.1);
  color: var(--brand-deep);
  font-size: 9px;
  font-weight: 820;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.experience-visual-layout {
  position: relative;
  min-height: 610px;
  margin-top: 80px;
}

.experience-main-visual {
  position: absolute;
  top: 0;
  left: 4%;
  width: min(56%, 570px);
}

.experience-main-visual img {
  width: 100%;
  object-fit: contain;
  filter: drop-shadow(0 28px 60px rgba(16, 47, 51, 0.16));
}

.experience-detail-visual {
  position: absolute;
  right: 7%;
  bottom: 0;
  width: min(42%, 430px);
}

.experience-detail-visual img {
  width: 100%;
  object-fit: contain;
  filter: drop-shadow(0 30px 60px rgba(16, 47, 51, 0.15));
}

.experience-visual-note {
  position: absolute;
  z-index: 3;
  top: 10%;
  right: 0;
  width: 250px;
  padding: 20px;
  border: 1px solid var(--line-dark);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 18px 48px rgba(20, 48, 52, 0.1);
  backdrop-filter: blur(12px);
}

.experience-visual-note span,
.experience-visual-note strong {
  display: block;
}

.experience-visual-note span {
  margin-bottom: 8px;
  color: var(--brand-deep);
  font-size: 10px;
  font-weight: 820;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.experience-visual-note strong {
  margin-bottom: 10px;
  color: var(--text-dark);
  font-size: 15px;
}

.experience-visual-note p {
  color: var(--text-dark-soft);
  font-size: 12px;
}

/* Platform choice */

.platform-choice-section {
  padding: 112px 0;
  background:
    linear-gradient(180deg, #0a1416 0%, #0e1d20 100%);
}

.centered-section-heading {
  max-width: 760px;
  margin: 0 auto 54px;
  text-align: center;
}

.centered-section-heading .section-eyebrow {
  justify-content: center;
}

.centered-section-heading .section-eyebrow::after {
  width: 26px;
  height: 1px;
  background: currentColor;
  content: "";
  opacity: 0.8;
}

.centered-section-heading h2 {
  margin-bottom: 22px;
}

.centered-section-heading p {
  max-width: 680px;
  margin-inline: auto;
  font-size: 17px;
}

.system-switcher {
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-large);
  background: #111d20;
  box-shadow: var(--shadow-large);
}

.system-switcher-controls {
  display: grid;
  min-height: 90px;
  align-items: stretch;
  border-bottom: 1px solid rgba(255, 255, 255, 0.09);
  background: #0c1719;
  grid-template-columns: 1fr 90px 1fr;
}

.system-switcher-button {
  display: grid;
  align-content: center;
  padding: 18px 28px;
  color: #8ea0a3;
  text-align: left;
  transition:
    color var(--transition),
    background-color var(--transition);
}

.system-switcher-button:last-child {
  text-align: right;
}

.system-switcher-button:hover,
.system-switcher-button.is-active {
  background: rgba(121, 207, 76, 0.08);
  color: #fff;
}

.system-switcher-button span,
.system-switcher-button small {
  display: block;
}

.system-switcher-button span {
  margin-bottom: 4px;
  font-size: 19px;
  font-weight: 790;
}

.system-switcher-button small {
  font-size: 11px;
}

.system-switcher-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  color: #5f7174;
  font-size: 10px;
  font-weight: 820;
  letter-spacing: 0.12em;
}

.system-panel {
  display: grid;
  min-height: 580px;
  align-items: center;
  gap: 58px;
  padding: 54px;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.85fr);
}

.system-panel-copy {
  max-width: 640px;
}

.system-label {
  display: block;
  margin-bottom: 14px;
  color: var(--brand-strong);
  font-size: 11px;
  font-weight: 820;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.system-panel h3 {
  margin-bottom: 18px;
  font-size: 40px;
}

.system-panel p {
  margin-bottom: 25px;
  font-size: 16px;
}

.system-panel ul,
.installation-panel-copy ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.system-panel li,
.installation-panel-copy li {
  position: relative;
  padding: 12px 0 12px 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  color: #b3c1c3;
  font-size: 14px;
}

.system-panel li:first-child,
.installation-panel-copy li:first-child {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.system-panel li::before,
.installation-panel-copy li::before {
  position: absolute;
  top: 21px;
  left: 0;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--brand);
  content: "";
}

.system-panel-actions,
.installation-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
  margin-top: 28px;
}

.platform-download-button {
  min-height: 50px;
  padding: 12px 20px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 790;
  transition:
    transform var(--transition),
    background-color var(--transition),
    color var(--transition);
}

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

.android-button {
  background: var(--brand);
  color: #0a210e;
}

.android-button:hover {
  background: var(--brand-strong);
}

.ios-button {
  background: #e5ecee;
  color: #142225;
}

.ios-button:hover {
  background: #fff;
}

.system-panel-actions a,
.installation-actions a {
  color: var(--brand-strong);
  font-size: 14px;
  font-weight: 740;
}

.android-entry-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  padding: 32px;
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 22px;
  background:
    radial-gradient(circle at 50% 30%, rgba(121, 207, 76, 0.13), transparent 55%),
    rgba(255, 255, 255, 0.03);
}

.android-entry-icon {
  display: flex;
  width: 98px;
  height: 98px;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: 23px;
  background: rgba(255, 255, 255, 0.06);
}

.android-entry-icon img {
  width: 72px;
  height: 72px;
  object-fit: contain;
}

.android-entry-button-image {
  width: min(100%, 500px);
  object-fit: contain;
}

.android-entry-visual p {
  max-width: 360px;
  margin-top: 18px;
  color: #819396;
  font-size: 12px;
  text-align: center;
}

.ios-device-preview {
  position: relative;
  display: flex;
  min-height: 470px;
  align-items: center;
  justify-content: center;
}

.ios-device-preview > img {
  width: 210px;
  max-height: 430px;
  object-fit: contain;
  filter: drop-shadow(0 25px 46px rgba(0, 0, 0, 0.4));
}

.ios-device-caption {
  position: absolute;
  right: 5%;
  bottom: 8%;
  min-width: 190px;
  padding: 15px 17px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 11px;
  background: rgba(7, 14, 16, 0.86);
  box-shadow: var(--shadow-small);
  backdrop-filter: blur(13px);
}

.ios-device-caption span,
.ios-device-caption strong {
  display: block;
}

.ios-device-caption span {
  margin-bottom: 4px;
  color: #99aaad;
  font-size: 9px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.ios-device-caption strong {
  font-size: 13px;
}

/* Interface */

.app-interface-section {
  padding: 118px 0;
  overflow: hidden;
  background: #f4f7f7;
  color: var(--text-dark);
}

.app-interface-layout {
  display: grid;
  align-items: center;
  gap: 82px;
  grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
}

.app-interface-visual {
  position: relative;
  min-height: 660px;
}

.app-interface-background-text {
  position: absolute;
  top: 8%;
  left: -4%;
  color: rgba(20, 50, 54, 0.05);
  font-size: clamp(90px, 12vw, 170px);
  font-weight: 900;
  letter-spacing: -0.07em;
  line-height: 0.8;
}

.app-interface-visual > img {
  position: absolute;
  z-index: 2;
  top: 1%;
  left: 0;
  width: min(92%, 670px);
  max-height: 630px;
  object-fit: contain;
}

.app-interface-floating-screen {
  position: absolute;
  z-index: 4;
  right: 2%;
  bottom: 2%;
  width: 180px;
  padding: 7px;
  border: 1px solid var(--line-dark);
  border-radius: 24px;
  background: #fff;
  box-shadow: 0 26px 64px rgba(20, 48, 52, 0.18);
}

.app-interface-floating-screen img {
  width: 100%;
  border-radius: 18px;
  object-fit: contain;
}

.app-interface-content h2 {
  margin-bottom: 22px;
}

.app-interface-content > p {
  margin-bottom: 30px;
  color: var(--text-dark-soft);
  font-size: 17px;
}

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

.interface-feature-list article {
  display: grid;
  gap: 17px;
  padding: 21px 0;
  border-bottom: 1px solid var(--line-dark);
  grid-template-columns: 38px 1fr;
}

.interface-feature-list article > span {
  color: var(--brand-deep);
  font-size: 10px;
  font-weight: 840;
  letter-spacing: 0.11em;
}

.interface-feature-list h3 {
  margin-bottom: 7px;
  font-size: 17px;
}

.interface-feature-list p {
  color: var(--text-dark-soft);
  font-size: 13px;
}

.interface-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 20px;
  margin-top: 30px;
}

.outline-link-button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 11px 19px;
  border: 1px solid rgba(47, 131, 57, 0.38);
  border-radius: 8px;
  color: var(--brand-deep);
  font-size: 14px;
  font-weight: 760;
  transition:
    background-color var(--transition),
    border-color var(--transition);
}

.outline-link-button:hover {
  border-color: var(--brand-deep);
  background: rgba(47, 131, 57, 0.07);
}

/* Installation */

.installation-section {
  padding: 112px 0;
  background: #0a1416;
}

.installation-heading {
  max-width: 780px;
  margin-bottom: 52px;
}

.installation-heading h2 {
  margin-bottom: 22px;
}

.installation-heading p {
  max-width: 680px;
  font-size: 17px;
}

.installation-split {
  display: grid;
  gap: 22px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.android-installation-panel,
.ios-installation-panel {
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 22px;
  background: #111e21;
}

.installation-panel-header {
  display: flex;
  min-height: 62px;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 0 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.09);
  background: #0d181a;
}

.installation-panel-header span {
  color: #829598;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.installation-panel-header strong {
  color: #e7edef;
  font-size: 13px;
}

.installation-panel-content {
  display: grid;
  gap: 28px;
  padding: 28px;
}

.android-permission-window {
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 13px;
  background: #0d1719;
}

.permission-window-bar {
  display: flex;
  min-height: 50px;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 0 15px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.025);
}

.permission-window-bar span,
.permission-window-bar strong {
  font-size: 10px;
}

.permission-window-bar span {
  color: #a3b2b4;
  font-weight: 710;
}

.permission-window-bar strong {
  color: #687b7e;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.permission-status-list {
  padding: 10px;
}

.permission-status-item {
  display: grid;
  min-height: 68px;
  align-items: center;
  gap: 12px;
  padding: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  grid-template-columns: 40px 1fr auto;
}

.permission-status-item:last-child {
  border-bottom: 0;
}

.permission-icon {
  display: flex;
  width: 34px;
  height: 34px;
  align-items: center;
  justify-content: center;
  border-radius: 7px;
  background: rgba(121, 207, 76, 0.1);
  color: var(--brand-strong);
  font-size: 9px;
  font-weight: 840;
}

.permission-status-item strong,
.permission-status-item small {
  display: block;
}

.permission-status-item strong {
  color: #e0e7e8;
  font-size: 13px;
}

.permission-status-item small {
  color: #728487;
  font-size: 10px;
}

.permission-state {
  padding: 5px 8px;
  border-radius: var(--radius-round);
  background: rgba(220, 181, 91, 0.13);
  color: #d8b968;
  font-size: 9px;
  font-weight: 820;
}

.installation-panel-copy h3 {
  margin-bottom: 14px;
  font-size: 25px;
}

.installation-panel-copy > p {
  margin-bottom: 22px;
  font-size: 14px;
}

.ios-content-layout {
  grid-template-columns: 180px 1fr;
}

.ios-installation-visual {
  position: relative;
  display: flex;
  align-items: flex-start;
  justify-content: center;
}

.ios-installation-visual img {
  width: 160px;
  max-height: 350px;
  object-fit: contain;
  filter: drop-shadow(0 22px 38px rgba(0, 0, 0, 0.35));
}

.ios-installation-badge {
  position: absolute;
  right: -5px;
  bottom: 14%;
  padding: 6px 8px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 6px;
  background: rgba(9, 17, 19, 0.88);
  color: #a9b8ba;
  font-size: 8px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* Security */

.mobile-security-section {
  padding: 116px 0;
  background: #edf2f2;
  color: var(--text-dark);
}

.mobile-security-layout {
  display: grid;
  align-items: center;
  gap: 76px;
  grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
}

.mobile-security-visual {
  position: relative;
  padding-bottom: 66px;
}

.mobile-security-visual > img {
  width: 100%;
  border-radius: 20px;
  object-fit: contain;
  box-shadow: 0 30px 80px rgba(15, 47, 52, 0.14);
}

.security-status-strip {
  position: absolute;
  right: 5%;
  bottom: 0;
  left: 5%;
  display: grid;
  overflow: hidden;
  border: 1px solid var(--line-dark);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 20px 54px rgba(17, 49, 54, 0.12);
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.security-status-strip > div {
  padding: 16px;
  border-right: 1px solid var(--line-dark);
}

.security-status-strip > div:last-child {
  border-right: 0;
}

.security-status-strip span,
.security-status-strip strong {
  display: block;
}

.security-status-strip span {
  margin-bottom: 5px;
  color: #819194;
  font-size: 9px;
  font-weight: 790;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.security-status-strip strong {
  color: #273b3f;
  font-size: 11px;
}

.mobile-security-content h2 {
  margin-bottom: 22px;
}

.mobile-security-content > p {
  margin-bottom: 30px;
  color: var(--text-dark-soft);
  font-size: 17px;
}

.security-guidance-list {
  margin-bottom: 30px;
  border-top: 1px solid var(--line-dark);
}

.security-guidance-list article {
  display: grid;
  gap: 14px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line-dark);
  grid-template-columns: 14px 1fr;
}

.security-guidance-icon {
  width: 9px;
  height: 9px;
  margin-top: 7px;
  border-radius: 50%;
  background: var(--brand);
  box-shadow: 0 0 12px rgba(121, 207, 76, 0.46);
}

.security-guidance-list h3 {
  margin-bottom: 7px;
  font-size: 17px;
}

.security-guidance-list p {
  color: var(--text-dark-soft);
  font-size: 13px;
}

/* Version */

.mobile-version-section {
  padding: 112px 0;
  background:
    linear-gradient(180deg, #0b1517 0%, #101e21 100%);
}

.mobile-version-layout {
  display: grid;
  align-items: start;
  gap: 70px;
  grid-template-columns: minmax(300px, 0.75fr) minmax(0, 1.25fr);
}

.mobile-version-heading {
  max-width: 500px;
}

.mobile-version-heading h2 {
  margin-bottom: 22px;
}

.mobile-version-heading p {
  font-size: 17px;
}

.mobile-update-stage {
  display: grid;
  align-items: center;
  gap: 46px;
  grid-template-columns: 210px 1fr;
}

.mobile-help-device {
  display: flex;
  align-items: center;
  justify-content: center;
}

.mobile-help-device img {
  width: 190px;
  max-height: 430px;
  object-fit: contain;
  filter: drop-shadow(0 28px 44px rgba(0, 0, 0, 0.36));
}

.update-timeline {
  border-top: 1px solid rgba(255, 255, 255, 0.09);
}

.update-timeline-item {
  display: grid;
  gap: 18px;
  padding: 20px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.09);
  grid-template-columns: 42px 1fr;
}

.update-timeline-item > span {
  display: flex;
  width: 36px;
  height: 36px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  color: #718589;
  font-size: 10px;
  font-weight: 820;
}

.update-timeline-item.is-active > span {
  background: rgba(121, 207, 76, 0.14);
  color: var(--brand-strong);
}

.update-timeline-item h3 {
  margin-bottom: 7px;
  font-size: 17px;
}

.update-timeline-item p {
  font-size: 13px;
}

.update-timeline > .inline-text-link {
  margin-top: 24px;
  color: var(--brand-strong);
}

/* FAQ */

.mobile-faq-section {
  padding: 112px 0;
  background: #f2f5f5;
  color: var(--text-dark);
}

.mobile-faq-section .centered-section-heading p {
  color: var(--text-dark-soft);
}

.mobile-faq-layout {
  display: grid;
  align-items: start;
  gap: 50px;
  grid-template-columns: 260px minmax(0, 1fr);
}

.mobile-faq-index {
  position: sticky;
  top: calc(var(--header-height) + 26px);
  padding: 24px;
  border: 1px solid var(--line-dark);
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 20px 54px rgba(20, 48, 52, 0.08);
}

.mobile-faq-index > span,
.mobile-faq-index > strong {
  display: block;
}

.mobile-faq-index > span {
  margin-bottom: 8px;
  color: var(--brand-deep);
  font-size: 10px;
  font-weight: 820;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.mobile-faq-index > strong {
  margin-bottom: 12px;
  font-size: 18px;
}

.mobile-faq-index p {
  margin-bottom: 22px;
  color: var(--text-dark-soft);
  font-size: 13px;
}

.mobile-faq-shortcuts {
  display: grid;
  gap: 8px;
}

.mobile-faq-shortcuts a {
  display: flex;
  min-height: 42px;
  align-items: center;
  padding: 8px 11px;
  border: 1px solid var(--line-dark);
  border-radius: 7px;
  color: #41565a;
  font-size: 12px;
  font-weight: 690;
  transition:
    border-color var(--transition),
    color var(--transition),
    background-color var(--transition);
}

.mobile-faq-shortcuts a:hover {
  border-color: rgba(47, 131, 57, 0.34);
  background: rgba(47, 131, 57, 0.06);
  color: var(--brand-deep);
}

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

.faq-item {
  border-bottom: 1px solid var(--line-dark);
}

.faq-item h3 {
  margin: 0;
}

.faq-trigger {
  display: grid;
  width: 100%;
  min-height: 80px;
  align-items: center;
  gap: 20px;
  padding: 20px 2px;
  color: #213539;
  font-size: 16px;
  font-weight: 740;
  text-align: left;
  grid-template-columns: 1fr 22px;
}

.faq-trigger:hover {
  color: var(--brand-deep);
}

.faq-trigger i {
  position: relative;
  width: 20px;
  height: 20px;
}

.faq-trigger i::before,
.faq-trigger i::after {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 14px;
  height: 2px;
  border-radius: var(--radius-round);
  background: currentColor;
  content: "";
  transform: translate(-50%, -50%);
  transition: transform var(--transition);
}

.faq-trigger i::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.faq-trigger[aria-expanded="true"] i::after {
  transform: translate(-50%, -50%) rotate(0deg);
}

.faq-answer {
  padding: 0 44px 24px 2px;
}

.faq-answer p {
  color: var(--text-dark-soft);
  font-size: 14px;
}

/* CTA */

.mobile-download-cta {
  padding: 76px 0;
  background:
    linear-gradient(90deg, #102023 0%, #183429 50%, #101f22 100%);
}

.mobile-download-cta-layout {
  display: grid;
  align-items: center;
  gap: 52px;
  grid-template-columns: minmax(0, 0.8fr) minmax(520px, 1.2fr);
}

.mobile-download-cta-copy h2 {
  margin-bottom: 14px;
  font-size: 38px;
}

.mobile-download-cta-copy p {
  font-size: 14px;
}

.dual-system-download {
  display: grid;
  align-items: center;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.035);
  grid-template-columns: 1fr 110px 1fr;
}

.dual-system-button {
  min-height: 128px;
  padding: 20px;
  text-align: left;
  transition:
    background-color var(--transition),
    transform var(--transition);
}

.dual-system-button:hover {
  background: rgba(121, 207, 76, 0.09);
}

.ios-system-button {
  text-align: right;
}

.dual-system-button span,
.dual-system-button strong,
.dual-system-button small {
  display: block;
}

.dual-system-button span {
  margin-bottom: 7px;
  color: var(--brand-strong);
  font-size: 10px;
  font-weight: 830;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.ios-system-button span {
  color: #d9e2e4;
}

.dual-system-button strong {
  margin-bottom: 4px;
  font-size: 16px;
}

.dual-system-button small {
  color: #829598;
  font-size: 10px;
}

.dual-system-app-icon {
  display: flex;
  height: 100%;
  align-items: center;
  justify-content: center;
  border-right: 1px solid rgba(255, 255, 255, 0.09);
  border-left: 1px solid rgba(255, 255, 255, 0.09);
}

.dual-system-app-icon img {
  width: 72px;
  height: 72px;
  object-fit: contain;
}

/* Footer */

.site-footer {
  padding: 74px 0 28px;
  background: #040808;
}

.footer-layout {
  display: grid;
  gap: 42px;
  padding-bottom: 50px;
  grid-template-columns: minmax(260px, 1.4fr) repeat(3, minmax(130px, 0.6fr));
}

.footer-brand img {
  width: 150px;
  height: auto;
  margin-bottom: 20px;
}

.footer-brand p {
  max-width: 390px;
  font-size: 13px;
}

.footer-column {
  display: flex;
  align-items: flex-start;
  flex-direction: column;
  gap: 10px;
}

.footer-column h3 {
  margin-bottom: 9px;
  font-size: 14px;
  letter-spacing: 0;
}

.footer-column a,
.footer-column button {
  padding: 0;
  color: #819295;
  font-size: 13px;
  text-align: left;
  transition: color var(--transition);
}

.footer-column a:hover,
.footer-column button:hover {
  color: var(--brand-strong);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 30px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.07);
}

.footer-bottom p {
  max-width: 700px;
  color: #5f7174;
  font-size: 11px;
}

/* Toast */

.site-toast {
  position: fixed;
  z-index: 3000;
  right: 24px;
  bottom: 24px;
  display: flex;
  max-width: min(430px, calc(100% - 32px));
  min-height: 54px;
  align-items: center;
  gap: 12px;
  padding: 13px 17px;
  border: 1px solid rgba(121, 207, 76, 0.28);
  border-radius: 10px;
  background: rgba(8, 18, 20, 0.96);
  box-shadow: 0 25px 70px rgba(0, 0, 0, 0.4);
  color: #fff;
  backdrop-filter: blur(14px);
  animation: toast-in 220ms ease both;
}

.site-toast-indicator {
  width: 9px;
  height: 9px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--brand);
  box-shadow: 0 0 13px rgba(121, 207, 76, 0.72);
}

.site-toast-message {
  font-size: 13px;
  font-weight: 660;
}

@keyframes toast-in {
  from {
    opacity: 0;
    transform: translateY(14px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.noscript-notice {
  position: fixed;
  z-index: 4000;
  right: 15px;
  bottom: 15px;
  left: 15px;
  padding: 14px;
  border-radius: 8px;
  background: #fff2c9;
  color: #322400;
  font-size: 13px;
  text-align: center;
}

/* Responsive */

@media (max-width: 1120px) {
  .desktop-navigation {
    gap: 18px;
  }

  .mobile-hero-layout {
    gap: 38px;
    grid-template-columns: minmax(0, 0.9fr) minmax(450px, 1.1fr);
  }

  .app-interface-layout,
  .mobile-security-layout {
    gap: 54px;
  }

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

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

@media (max-width: 960px) {
  :root {
    --header-height: 70px;
  }

  .desktop-navigation,
  .header-platform-button {
    display: none;
  }

  .mobile-menu-toggle {
    display: flex;
  }

  .mobile-hero {
    min-height: auto;
  }

  .mobile-hero-layout {
    grid-template-columns: 1fr;
  }

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

  .mobile-device-stage {
    min-height: 590px;
  }

  .hero-bottom-rail-inner {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero-bottom-rail-inner > div:nth-child(2) {
    border-right: 0;
  }

  .hero-bottom-rail-inner > div:nth-child(-n + 2) {
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

  .experience-overview-layout,
  .app-interface-layout,
  .mobile-security-layout,
  .mobile-version-layout {
    grid-template-columns: 1fr;
  }

  .experience-overview-heading,
  .app-interface-content,
  .mobile-security-content,
  .mobile-version-heading {
    max-width: 760px;
  }

  .system-panel {
    grid-template-columns: 1fr;
  }

  .mobile-update-stage {
    max-width: 780px;
  }

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

  .mobile-faq-index {
    position: static;
  }

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

@media (max-width: 720px) {
  .site-container {
    width: min(calc(100% - 28px), var(--container));
  }

  .mobile-hero {
    padding-top: calc(var(--header-height) + 58px);
  }

  h1 {
    font-size: clamp(42px, 12vw, 58px);
  }

  h2 {
    font-size: clamp(32px, 9vw, 44px);
  }

  .mobile-hero-intro,
  .experience-overview-heading p,
  .centered-section-heading p,
  .app-interface-content > p,
  .installation-heading p,
  .mobile-security-content > p,
  .mobile-version-heading p {
    font-size: 16px;
  }

  .mobile-hero-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .primary-action,
  .secondary-action {
    width: 100%;
  }

  .mobile-device-stage {
    min-height: 500px;
  }

  .hero-device-image img {
    width: min(100%, 460px);
    max-height: 480px;
  }

  .floating-app-icon {
    top: 2%;
    left: 0;
    width: 98px;
    min-height: 120px;
  }

  .floating-app-icon img {
    width: 58px;
    height: 58px;
  }

  .device-status-panel {
    min-width: 155px;
    padding: 12px;
  }

  .device-status-android {
    right: 0;
    bottom: 17%;
  }

  .device-status-ios {
    bottom: 4%;
  }

  .experience-overview,
  .platform-choice-section,
  .app-interface-section,
  .installation-section,
  .mobile-security-section,
  .mobile-version-section,
  .mobile-faq-section {
    padding: 80px 0;
  }

  .experience-overview-layout {
    gap: 48px;
  }

  .experience-track-item {
    align-items: start;
    grid-template-columns: 40px 1fr;
  }

  .experience-state {
    grid-column: 2;
    justify-self: start;
  }

  .experience-visual-layout {
    min-height: 520px;
    margin-top: 56px;
  }

  .experience-main-visual {
    left: 0;
    width: 70%;
  }

  .experience-detail-visual {
    right: 0;
    width: 48%;
  }

  .experience-visual-note {
    top: auto;
    right: auto;
    bottom: 0;
    left: 0;
    width: 220px;
  }

  .system-switcher-controls {
    grid-template-columns: 1fr 52px 1fr;
  }

  .system-switcher-button {
    padding: 14px;
  }

  .system-switcher-button span {
    font-size: 16px;
  }

  .system-panel {
    min-height: auto;
    padding: 30px 20px;
  }

  .system-panel h3 {
    font-size: 32px;
  }

  .system-panel-actions,
  .installation-actions,
  .interface-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .system-panel-actions .platform-download-button,
  .installation-actions .platform-download-button,
  .interface-actions .outline-link-button,
  .system-panel-actions a,
  .installation-actions a,
  .interface-actions .inline-text-link {
    width: 100%;
    justify-content: center;
    text-align: center;
  }

  .android-entry-visual {
    padding: 24px 16px;
  }

  .app-interface-visual {
    min-height: 520px;
  }

  .app-interface-visual > img {
    width: 90%;
  }

  .app-interface-floating-screen {
    right: 0;
    width: 145px;
  }

  .ios-content-layout {
    grid-template-columns: 1fr;
  }

  .ios-installation-visual {
    justify-content: flex-start;
  }

  .ios-installation-badge {
    right: auto;
    left: 130px;
  }

  .mobile-security-visual {
    padding-bottom: 0;
  }

  .security-status-strip {
    position: static;
    margin-top: 12px;
    grid-template-columns: 1fr;
  }

  .security-status-strip > div {
    border-right: 0;
    border-bottom: 1px solid var(--line-dark);
  }

  .security-status-strip > div:last-child {
    border-bottom: 0;
  }

  .mobile-update-stage {
    gap: 30px;
    grid-template-columns: 150px 1fr;
  }

  .mobile-help-device img {
    width: 140px;
  }

  .mobile-download-cta {
    padding: 58px 0;
  }

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

  .dual-system-button,
  .ios-system-button {
    min-height: 100px;
    text-align: left;
  }

  .dual-system-app-icon {
    min-height: 96px;
    border: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.09);
    border-bottom: 1px solid rgba(255, 255, 255, 0.09);
  }

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

  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
    gap: 14px;
  }

  .site-toast {
    right: 16px;
    bottom: 16px;
    left: 16px;
    max-width: none;
  }
}

@media (max-width: 480px) {
  .site-container {
    width: min(calc(100% - 22px), var(--container));
  }

  .brand-link img {
    width: 132px;
  }

  .mobile-hero-copy h1 {
    font-size: 43px;
  }

  .mobile-system-pills {
    gap: 7px;
  }

  .mobile-system-pills span {
    width: 100%;
    justify-content: center;
  }

  .mobile-device-stage {
    min-height: 440px;
  }

  .floating-app-icon {
    display: none;
  }

  .device-status-panel {
    min-width: 142px;
  }

  .hero-bottom-rail-inner {
    grid-template-columns: 1fr;
  }

  .hero-bottom-rail-inner > div {
    padding: 15px 0;
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

  .hero-bottom-rail-inner > div:last-child {
    border-bottom: 0;
  }

  .experience-visual-layout {
    min-height: 450px;
  }

  .experience-visual-note {
    display: none;
  }

  .system-switcher-controls {
    grid-template-columns: 1fr;
  }

  .system-switcher-divider {
    min-height: 34px;
  }

  .system-switcher-button,
  .system-switcher-button:last-child {
    text-align: center;
  }

  .android-entry-icon {
    width: 82px;
    height: 82px;
  }

  .android-entry-icon img {
    width: 60px;
    height: 60px;
  }

  .app-interface-visual {
    min-height: 450px;
  }

  .app-interface-floating-screen {
    width: 120px;
  }

  .installation-panel-content {
    padding: 20px 16px;
  }

  .permission-status-item {
    grid-template-columns: 36px 1fr;
  }

  .permission-state {
    grid-column: 2;
    justify-self: start;
  }

  .mobile-update-stage {
    grid-template-columns: 1fr;
  }

  .mobile-help-device {
    justify-content: flex-start;
  }

  .mobile-help-device img {
    width: 160px;
  }

  .faq-trigger {
    min-height: 72px;
    font-size: 15px;
  }

  .faq-answer {
    padding-right: 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}
img[src*="app-icon"] { object-fit: contain; }