:root {
  --bg: #080808;
  --panel: #111;
  --panel2: #171717;
  --line: #2b2b2b;
  --text: #f5f5f5;
  --muted: #a3a3a3;
  --yellow: #f0b90b;
  --yellow2: #ffce36;
  --max: 1220px
}

* {
  box-sizing: border-box
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.65;
  overflow-x: hidden
}

body:before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background: radial-gradient(ellipse at 75% 5%, rgba(240, 185, 11, .11), transparent 32%), radial-gradient(ellipse at 8% 38%, rgba(255, 255, 255, .025), transparent 30%)
}

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

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

button,
input {
  font: inherit
}

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

.skip-link {
  position: absolute;
  top: 8px;
  left: -9999px;
  background: #fff;
  color: #000;
  padding: 10px 14px;
  z-index: 1000
}

.skip-link:focus {
  left: 8px
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(8, 8, 8, .91);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid #252525
}

.header-inner {
  width: min(1360px, calc(100% - 42px));
  height: 82px;
  margin: auto;
  display: flex;
  align-items: center;
  gap: 25px
}

.brand {
  display: flex;
  align-items: center;
  gap: 11px;
  flex-shrink: 0
}

.brand img {
  width: 60px;
  height: 60px;
  object-fit: contain
}

.brand span {
  display: flex;
  flex-direction: column;
  line-height: 1.2
}

.brand b {
  font-size: 17px;
  letter-spacing: .01em
}

.brand small {
  font-size: 10px;
  color: #929292;
  letter-spacing: .09em;
  margin-top: 5px
}

.nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  flex: 1
}

.nav-link {
  font-size: 13px;
  color: #aaa;
  padding: 10px 12px;
  border-radius: 10px;
  white-space: nowrap;
  transition: color .2s, background .2s
}

.nav-link:hover,
.nav-link.active {
  color: #fff;
  background: #1b1b1b
}

.nav-link.active {
  box-shadow: inset 0 -2px var(--yellow)
}

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

.btn {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0 18px;
  border: 1px solid transparent;
  border-radius: 11px;
  font-size: 13px;
  font-weight: 750;
  white-space: nowrap;
  cursor: pointer;
  transition: transform .22s, background .22s, border-color .22s, box-shadow .22s
}

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

.btn-yellow {
  background: var(--yellow);
  color: #111;
  box-shadow: 0 8px 25px rgba(240, 185, 11, .12)
}

.btn-yellow:hover {
  background: var(--yellow2);
  box-shadow: 0 10px 30px rgba(240, 185, 11, .19)
}

.btn-outline {
  background: #141414;
  border-color: #444;
  color: #fff
}

.btn-outline:hover {
  border-color: #777;
  background: #202020
}

.btn-light {
  background: #f5f5f5;
  color: #111
}

.btn-large {
  min-height: 52px;
  padding: 0 22px;
  font-size: 14px
}

.arrow {
  font-size: 16px;
  line-height: 1
}

.menu-toggle {
  display: none
}

.qr-wrap {
  position: relative;
  display: inline-flex
}

.qr-popover {
  position: absolute;
  z-index: 150;
  left: 50%;
  width: 208px;
  padding: 14px;
  border-radius: 16px;
  background: #fff;
  color: #111;
  border: 1px solid #ddd;
  box-shadow: 0 18px 50px #0008;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translate(-50%, 8px) scale(.97);
  transition: opacity .2s, transform .2s, visibility .2s
}

.qr-popover img {
  width: 145px;
  height: 145px;
  object-fit: contain
}

.qr-popover strong {
  font-size: 13px
}

.qr-popover span {
  font-size: 10px;
  color: #666;
  text-align: center
}

.qr-down .qr-popover {
  top: calc(100% + 12px)
}

.qr-up .qr-popover {
  bottom: calc(100% + 12px);
  transform: translate(-50%, -8px) scale(.97)
}

.qr-wrap:hover .qr-popover,
.qr-wrap:focus-within .qr-popover {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translate(-50%, 0) scale(1)
}

.hero {
  width: min(var(--max), calc(100% - 48px));
  min-height: 610px;
  margin: auto;
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(350px, .96fr);
  gap: 50px;
  align-items: center;
  padding: 62px 0 72px
}

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

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--yellow);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .15em
}

.eyebrow i {
  width: 25px;
  height: 2px;
  background: var(--yellow);
  display: inline-block
}

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

h1 {
  max-width: 720px;
  font-size: clamp(40px, 5vw, 68px);
  line-height: 1.06;
  letter-spacing: -.045em;
  margin: 19px 0 22px;
  font-weight: 790
}

.hero-lead {
  max-width: 590px;
  font-size: 16px;
  line-height: 1.9;
  color: #b5b5b5;
  margin-bottom: 27px
}

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

.hero-disclosure {
  max-width: 560px;
  margin: 17px 0 0;
  color: #777;
  font-size: 11px;
  line-height: 1.7
}

.hero-metrics {
  display: flex;
  gap: 28px;
  margin-top: 32px;
  padding-top: 20px;
  border-top: 1px solid #292929;
  max-width: 500px
}

.hero-metrics div {
  display: flex;
  flex-direction: column;
  gap: 3px
}

.hero-metrics strong {
  font-size: 22px;
  color: #f5f5f5
}

.hero-metrics span {
  font-size: 11px;
  color: #999
}

.hero-mini-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 24px
}

.hero-mini-tags span {
  border: 1px solid #353535;
  border-radius: 100px;
  padding: 7px 12px;
  color: #aaa;
  font-size: 11px
}

.domain-reminder {
  font-size: 11px;
  color: #aaa;
  margin-top: 20px
}

.hero-visual {
  position: relative;
  min-height: 500px;
  display: flex;
  align-items: center;
  justify-content: center;
  isolation: isolate
}

.hero-orbit {
  position: absolute;
  border: 1px solid rgba(240, 185, 11, .18);
  border-radius: 50%;
  aspect-ratio: 1;
  z-index: -1
}

.orbit-one {
  width: 95%;
  transform: rotate(-19deg)
}

.orbit-two {
  width: 78%;
  border-style: dashed;
  opacity: .7;
  transform: rotate(28deg)
}

.hero-image-card {
  position: relative;
  width: min(300px, 68%);
  height: 470px;
  padding: 0;
  border-radius: 24px;
  /* border: 1px solid #484848; */
  /* background: #111; */
  /* box-shadow: 0 30px 90px #000a, 0 0 0 7px #151515; */
  overflow: hidden;
  transform: rotate(2deg);
  transition: transform .4s
}

.hero-image-card img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: top
}

.hero-visual:hover .hero-image-card {
  transform: rotate(0) translateY(-4px)
}

.hero-chip {
  position: absolute;
  z-index: 4;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  background: #171717ee;
  border: 1px solid #414141;
  border-radius: 13px;
  box-shadow: 0 18px 40px #0007;
  backdrop-filter: blur(12px)
}

.chip-a {
  top: 15%;
  right: 0
}

.chip-b {
  bottom: 13%;
  left: 0
}

.chip-mark {
  width: 31px;
  height: 31px;
  border-radius: 9px;
  display: grid;
  place-items: center;
  background: var(--yellow);
  color: #111;
  font-size: 18px
}

.chip-dark {
  background: #333;
  color: #fff
}

.hero-chip b,
.hero-chip small {
  display: block
}

.hero-chip b {
  font-size: 11px
}

.hero-chip small {
  font-size: 10px;
  color: #999;
  margin-top: 2px
}

.section-wrap {
  width: min(var(--max), calc(100% - 48px));
  margin: 0 auto;
  padding: 55px 0 78px;
  border-top: 1px solid #242424
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 30px;
  margin-bottom: 28px
}

.section-head h2 {
  font-size: clamp(28px, 3.1vw, 42px);
  line-height: 1.16;
  letter-spacing: -.035em;
  margin: 10px 0 0
}

.section-head>p {
  max-width: 480px;
  font-size: 13px;
  line-height: 1.8;
  color: #999;
  margin: 0 0 3px
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px
}

.feature-card {
  position: relative;
  min-height: 220px;
  padding: 24px;
  border: 1px solid #2e2e2e;
  border-radius: 18px;
  background: linear-gradient(145deg, #171717, #0d0d0d);
  overflow: hidden;
  transition: transform .25s, border-color .25s, background .25s
}

.feature-card:after {
  content: "";
  position: absolute;
  width: 140px;
  height: 140px;
  right: -70px;
  top: -70px;
  border-radius: 50%;
  background: rgba(240, 185, 11, .055)
}

.feature-card:hover {
  transform: translateY(-5px);
  border-color: #6a571d;
  background: linear-gradient(145deg, #1c1a12, #101010)
}

.feature-icon {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  background: #272316;
  border: 1px solid #4a3b16;
  border-radius: 13px;
  color: var(--yellow);
  margin-bottom: 22px
}

.feature-icon svg,
.device-icon svg {
  width: 22px;
  height: 22px;
  stroke: currentColor;
  stroke-width: 1.7;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round
}

.feature-card h3 {
  font-size: 17px;
  margin-bottom: 8px
}

.feature-card p {
  font-size: 12px;
  line-height: 1.75;
  color: #999;
  margin-bottom: 20px
}

.card-more {
  display: inline-flex;
  gap: 8px;
  color: var(--yellow);
  font-size: 11px;
  font-weight: 750
}

.inline-link {
  font-size: 12px;
  color: var(--yellow);
  white-space: nowrap
}

.home-market {
  padding-top: 58px
}

.market-snapshot {
  display: grid;
  grid-template-columns: 1.35fr .85fr;
  gap: 14px
}

.snapshot-chart,
.snapshot-side {
  border: 1px solid #2c2c2c;
  border-radius: 20px;
  background: linear-gradient(145deg, #171717, #0d0d0d);
  padding: 23px;
  min-width: 0
}

.snapshot-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 20px
}

.snapshot-head>div span,
.snapshot-head strong {
  display: block
}

.snapshot-head>div span {
  font-size: 11px;
  color: #999
}

.snapshot-head strong {
  font-size: 24px;
  margin-top: 6px
}

.snapshot-head strong small {
  font-size: 11px;
  color: #888
}

.sample-badge {
  border: 1px solid #474747;
  border-radius: 7px;
  padding: 5px 8px;
  font-size: 10px;
  color: #aaa
}

.snapshot-chart svg {
  width: 100%;
  height: auto;
  margin-top: 20px
}

.grid-lines path {
  fill: none;
  stroke: #2b2b2b;
  stroke-width: 1
}

.snapshot-fill {
  fill: url(#none);
  fill: rgba(240, 185, 11, .1)
}

.snapshot-line {
  fill: none;
  stroke: var(--yellow);
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round
}

.snapshot-axis {
  display: flex;
  justify-content: space-between;
  color: #777;
  font-size: 10px;
  margin-top: 8px
}

.snapshot-side-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 14px;
  border-bottom: 1px solid #2a2a2a;
  font-size: 12px
}

.snapshot-side-head span {
  font-size: 10px;
  color: #777
}

.snapshot-asset {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 15px 0;
  border-bottom: 1px solid #252525
}

.snapshot-asset:last-child {
  border-bottom: 0
}

.coin-logo {
  width: 33px;
  height: 33px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  font-weight: 800
}

.coin-logo.btc {
  background: #f7931a;
  color: #fff
}

.coin-logo.eth {
  background: #627eea;
  color: #fff
}

.coin-logo.sol {
  background: #111;
  color: #b8a1ff;
  border: 1px solid #514178
}

.coin-logo.xrp {
  background: #23292f;
  color: #fff
}

.snapshot-asset span:nth-child(2) {
  display: flex;
  flex-direction: column
}

.snapshot-asset b {
  font-size: 11px
}

.snapshot-asset small {
  font-size: 10px;
  color: #777
}

.snapshot-asset strong {
  margin-left: auto;
  font-size: 11px;
  font-variant-numeric: tabular-nums
}

.screens-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr 1fr;
  gap: 13px
}

.screen-tile {
  height: 285px;
  position: relative;
  overflow: hidden;
  border: 1px solid #303030;
  border-radius: 17px;
  background: #101010
}

.screen-tile.tall {
  height: 330px
}

.screen-tile img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
  transition: transform .5s, opacity .3s
}

.screen-tile:hover img {
  transform: scale(1.035);
  opacity: .72
}

.screen-tile span {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 35px 16px 14px;
  font-weight: 750;
  font-size: 13px;
  background: linear-gradient(transparent, #000d)
}

.split-feature {
  display: grid;
  grid-template-columns: 1fr .85fr;
  gap: 55px;
  align-items: center
}

.split-copy h2 {
  font-size: clamp(30px, 3.5vw, 46px);
  line-height: 1.12;
  letter-spacing: -.04em;
  margin: 13px 0 18px
}

.split-copy p {
  font-size: 14px;
  color: #a4a4a4;
  line-height: 1.9;
  max-width: 570px;
  margin-bottom: 25px
}

.split-image {
  height: 400px;
  position: relative;
  border: 1px solid #333;
  border-radius: 22px;
  overflow: hidden;
  background: #101010
}

.split-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: top
}

.image-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 30px 20px 16px;
  background: linear-gradient(transparent, #000c);
  font-size: 12px
}

.product-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 18px
}

.product-tab {
  padding: 10px 15px;
  border-radius: 10px;
  border: 1px solid #333;
  background: #121212;
  color: #aaa;
  font-size: 12px;
  cursor: pointer
}

.product-tab.active,
.product-tab:hover {
  background: var(--yellow);
  border-color: var(--yellow);
  color: #111
}

.product-tab-panel {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px
}

.product-tab-panel[hidden] {
  display: none
}

.product-tab-panel article {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 125px;
  gap: 14px;
  align-items: center;
  min-height: 190px;
  padding: 22px;
  border: 1px solid #303030;
  border-radius: 18px;
  background: #111;
  overflow: hidden
}

.product-tab-panel article img {
  width: 125px;
  height: 150px;
  object-fit: cover;
  object-position: top;
  border-radius: 10px;
  border: 1px solid #383838
}

.matrix-index {
  position: absolute;
  top: 13px;
  right: 15px;
  font-size: 10px;
  color: #777;
  letter-spacing: .1em
}

.product-tab-panel h3 {
  font-size: 18px;
  margin: 0 0 8px
}

.product-tab-panel p {
  font-size: 12px;
  line-height: 1.8;
  color: #999;
  margin: 0
}

.security-checklist {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 11px;
  margin-bottom: 22px
}

.security-checklist label {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px;
  border: 1px solid #303030;
  border-radius: 14px;
  background: #111;
  cursor: pointer;
  transition: border-color .2s, background .2s
}

.security-checklist label:has(input:checked) {
  border-color: #80671b;
  background: #19170f
}

.security-checklist input {
  accent-color: var(--yellow);
  width: 17px;
  height: 17px;
  flex-shrink: 0
}

.security-checklist label span {
  display: flex;
  flex-direction: column;
  gap: 4px
}

.security-checklist b {
  font-size: 13px
}

.security-checklist small {
  font-size: 11px;
  color: #999
}

.security-checklist em {
  margin-left: auto;
  color: #777;
  font-size: 11px;
  font-style: normal
}

.security-note {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 22px;
  border: 1px solid #54451c;
  border-radius: 17px;
  background: linear-gradient(110deg, #211c0e, #111);
  margin: 22px 0 30px
}

.security-note-icon {
  width: 35px;
  height: 35px;
  flex-shrink: 0;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--yellow);
  color: #111;
  font-weight: 900
}

.security-note h3 {
  font-size: 16px;
  margin: 2px 0 7px
}

.security-note p {
  font-size: 12px;
  line-height: 1.8;
  color: #aaa;
  margin: 0
}

.device-options {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px
}

.device-options article {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 25px;
  border: 1px solid #303030;
  border-radius: 18px;
  background: linear-gradient(145deg, #171717, #0e0e0e)
}

.device-icon {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  background: #282316;
  color: var(--yellow);
  border: 1px solid #4a3b16;
  border-radius: 14px;
  margin-bottom: 21px
}

.device-options h3 {
  font-size: 18px;
  margin-bottom: 7px
}

.device-options p {
  font-size: 12px;
  line-height: 1.8;
  color: #999;
  min-height: 44px
}

.device-options .qr-wrap {
  margin-top: 12px
}

.install-steps {
  padding-top: 10px
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 13px
}

.steps-grid article {
  padding: 22px;
  border: 1px solid #2e2e2e;
  border-radius: 16px;
  background: #111
}

.steps-grid article>span {
  font-size: 11px;
  color: var(--yellow);
  letter-spacing: .1em
}

.steps-grid h3 {
  font-size: 16px;
  margin: 17px 0 8px
}

.steps-grid p {
  font-size: 12px;
  line-height: 1.8;
  color: #999;
  margin: 0
}

.faq-list {
  max-width: 1050px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 0 auto
}

.faq-item {
  border: 1px solid #2d2d2d;
  border-radius: 15px;
  background: #111;
  overflow: hidden
}

.faq-item summary {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 15px;
  padding: 19px 20px;
  font-size: 13px;
  font-weight: 750;
  cursor: pointer
}

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

.faq-item summary span {
  font-size: 22px;
  color: var(--yellow);
  font-weight: 400;
  transition: transform .2s
}

.faq-item[open] summary span {
  transform: rotate(45deg)
}

.faq-item p {
  padding: 0 20px 20px;
  color: #a5a5a5;
  font-size: 12px;
  line-height: 1.9;
  margin: 0
}

.faq-bottom-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  padding: 30px;
  border: 1px solid #3a321b;
  border-radius: 20px;
  background: linear-gradient(120deg, #1b180f, #101010);
  margin-bottom: 70px
}

.faq-bottom-card h2 {
  font-size: 26px;
  margin: 10px 0
}

.faq-bottom-card p {
  font-size: 12px;
  color: #aaa;
  margin: 0
}

.download-band {
  width: min(var(--max), calc(100% - 48px));
  margin: 0 auto 82px;
  padding: 42px 48px;
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 30px;
  align-items: center;
  border: 1px solid #3b3218;
  border-radius: 25px;
  background: radial-gradient(ellipse at 100% 0, rgba(240, 185, 11, .11), transparent 42%), linear-gradient(130deg, #171717, #0b0b0b);
  overflow: visible
}

.download-band-copy h2 {
  font-size: clamp(28px, 3.2vw, 42px);
  line-height: 1.15;
  letter-spacing: -.035em;
  margin: 13px 0
}

.download-band-copy p {
  max-width: 500px;
  font-size: 13px;
  line-height: 1.9;
  color: #aaa
}

.download-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 22px
}

.download-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 20px;
  font-size: 10px;
  color: #777
}

.download-meta i {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: #777
}

.download-band-art {
  position: relative;
  min-height: 280px;
  display: flex;
  align-items: center;
  justify-content: center
}

.phone-card {
  position: absolute;
  width: 145px;
  height: 250px;
  overflow: hidden;
  border-radius: 17px;
  border: 1px solid #555;
  background: #111;
  box-shadow: 0 20px 50px #0009
}

.phone-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top
}

.phone-card-back {
  transform: translateX(-34px) rotate(-9deg);
  opacity: .7
}

.phone-card-front {
  transform: translateX(35px) rotate(7deg)
}

.floating-label {
  position: absolute;
  bottom: 1px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 10px;
  color: #aaa;
  white-space: nowrap
}

.label-pulse {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--yellow);
  box-shadow: 0 0 12px #f0b90b88
}

.site-footer {
  border-top: 1px solid #282828;
  background: #070707
}

.footer-inner {
  width: min(var(--max), calc(100% - 48px));
  margin: auto;
  padding: 45px 0 35px;
  display: grid;
  grid-template-columns: 1.5fr .7fr .8fr;
  gap: 60px
}

.footer-brand img {
  width: 60px;
  height: 60px
}

.footer-about p {
  max-width: 520px;
  margin: 17px 0 0;
  color: #858585;
  font-size: 11px;
  line-height: 1.9
}

.footer-about .risk-copy {
  margin-top: 7px;
  color: #666
}

.footer-col {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  font-size: 11px;
  color: #999
}

.footer-col strong {
  font-size: 12px;
  color: #eee;
  margin-bottom: 6px
}

.footer-col a:hover {
  color: var(--yellow)
}

.footer-bottom {
  width: min(var(--max), calc(100% - 48px));
  margin: auto;
  min-height: 58px;
  border-top: 1px solid #202020;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  font-size: 10px;
  color: #666
}

@media(max-width:1100px) {
  .header-inner {
    gap: 13px
  }

  .nav-link {
    font-size: 11px;
    padding: 9px 8px
  }

  .header-actions .btn {
    font-size: 11px;
    padding-inline: 12px
  }

  .hero {
    gap: 28px
  }

  .hero-image-card {
    height: 430px
  }

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

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

  .screen-tile,
  .screen-tile.tall {
    height: 280px
  }

  .market-snapshot {
    grid-template-columns: 1fr
  }

  .snapshot-side {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 16px
  }

  .snapshot-side-head {
    grid-column: 1/-1
  }

  .snapshot-asset {
    padding-inline: 8px
  }
}

@media(max-width:820px) {
  .header-inner {
    height: 72px;
    width: calc(100% - 28px);
    gap: 10px
  }

  .brand img {
    width: 40px;
    height: 40px
  }

  .brand b {
    font-size: 15px
  }

  .menu-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    border: 1px solid #333;
    border-radius: 11px;
    background: #151515;
    order: 3
  }

  .menu-toggle span {
    height: 2px;
    width: 17px;
    background: #fff;
    display: block;
    margin: auto
  }

  .nav {
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    display: none;
    align-items: stretch;
    flex-direction: column;
    padding: 10px 15px 18px;
    background: #0b0b0b;
    border-bottom: 1px solid #333
  }

  .nav.open {
    display: flex
  }

  .nav-link {
    font-size: 14px;
    padding: 12px 13px
  }

  .header-actions {
    margin-left: auto
  }

  .header-actions .btn {
    min-height: 38px;
    padding-inline: 10px
  }

  .hero {
    grid-template-columns: 1fr;
    gap: 18px;
    padding: 35px 0 48px
  }

  .hero-visual {
    grid-row: 1;
    min-height: 390px
  }

  .hero-image-card {
    height: 370px;
    width: 230px
  }

  .chip-a {
    right: calc(50% - 190px);
    top: 13%
  }

  .chip-b {
    left: calc(50% - 190px);
    bottom: 12%
  }

  .hero-copy h1 {
    font-size: clamp(38px, 8vw, 58px)
  }

  .section-head {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px
  }

  .split-feature {
    grid-template-columns: 1fr;
    gap: 28px
  }

  .split-image {
    height: 360px;
    max-width: 500px;
    width: 100%;
    margin: auto
  }

  .product-tab-panel article {
    grid-template-columns: 1fr 105px
  }

  .product-tab-panel article img {
    width: 105px;
    height: 140px
  }

  .device-options {
    grid-template-columns: 1fr 1fr
  }

  .device-options article:last-child {
    grid-column: 1/-1
  }

  .download-band {
    grid-template-columns: 1fr;
    padding: 32px
  }

  .download-band-art {
    min-height: 270px
  }

  .footer-inner {
    grid-template-columns: 1fr 1fr;
    gap: 28px
  }

  .footer-about {
    grid-column: 1/-1
  }
}

@media(max-width:540px) {
  .header-inner {
    width: calc(100% - 18px);
    gap: 7px
  }

  .brand {
    gap: 6px
  }

  .brand img {
    width: 60px;
    height: 60px
  }

  .brand b {
    font-size: 12px
  }

  .brand small {
    font-size: 8px
  }

  .header-actions {
    gap: 5px
  }

  .header-actions .btn {
    font-size: 10px;
    min-height: 34px;
    padding: 0 8px;
    border-radius: 9px
  }

  .menu-toggle {
    width: 34px;
    height: 35px;
    flex-shrink: 0
  }

  .hero,
  .section-wrap,
  .download-band,
  .footer-inner,
  .footer-bottom {
    width: calc(100% - 28px)
  }

  .hero {
    padding-top: 24px;
    gap: 12px
  }

  .hero-visual {
    min-height: 320px
  }

  .hero-image-card {
    width: 182px;
    height: 305px;
    border-radius: 18px;
    box-shadow: 0 20px 55px #0009, 0 0 0 5px #151515
  }

  .hero-chip {
    padding: 8px 10px;
    gap: 7px;
    border-radius: 10px
  }

  .hero-chip b {
    font-size: 10px
  }

  .hero-chip small {
    font-size: 9px
  }

  .chip-mark {
    width: 26px;
    height: 26px
  }

  .chip-a {
    right: 0;
    top: 13%
  }

  .chip-b {
    left: 0;
    bottom: 10%
  }

  h1 {
    font-size: 37px;
    margin: 13px 0 15px
  }

  .hero-lead {
    font-size: 13px;
    line-height: 1.85;
    margin-bottom: 20px
  }

  .hero-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px
  }

  .hero-actions .btn {
    min-width: 0;
    min-height: 46px;
    padding: 0 9px;
    font-size: 11px
  }

  .hero-disclosure {
    font-size: 10px;
    margin-top: 13px
  }

  .hero-metrics {
    gap: 18px;
    margin-top: 23px;
    padding-top: 17px
  }

  .hero-metrics strong {
    font-size: 18px
  }

  .hero-metrics span {
    font-size: 9px
  }

  .hero-mini-tags span {
    font-size: 10px;
    padding: 6px 9px
  }

  .section-wrap {
    padding: 36px 0 48px
  }

  .section-head h2 {
    font-size: 27px
  }

  .section-head>p {
    font-size: 12px
  }

  .feature-grid {
    grid-template-columns: 1fr 1fr;
    gap: 9px
  }

  .feature-card {
    padding: 15px;
    min-height: 202px;
    border-radius: 14px
  }

  .feature-icon {
    width: 36px;
    height: 36px;
    margin-bottom: 15px
  }

  .feature-card h3 {
    font-size: 14px
  }

  .feature-card p {
    font-size: 11px
  }

  .card-more {
    font-size: 10px
  }

  .snapshot-chart,
  .snapshot-side {
    padding: 15px;
    border-radius: 15px
  }

  .snapshot-head strong {
    font-size: 20px
  }

  .snapshot-side {
    grid-template-columns: 1fr
  }

  .snapshot-asset {
    padding: 12px 3px
  }

  .screens-grid {
    gap: 9px
  }

  .screen-tile,
  .screen-tile.tall {
    height: 230px;
    border-radius: 13px
  }

  .screen-tile span {
    font-size: 12px;
    padding: 28px 11px 11px
  }

  .split-image {
    height: 290px
  }

  .split-copy h2 {
    font-size: 30px
  }

  .product-tabs {
    gap: 6px
  }

  .product-tab {
    font-size: 10px;
    padding: 9px
  }

  .product-tab-panel {
    grid-template-columns: 1fr;
    gap: 9px
  }

  .product-tab-panel article {
    grid-template-columns: minmax(0, 1fr) 95px;
    padding: 15px;
    min-height: 160px
  }

  .product-tab-panel article img {
    width: 95px;
    height: 125px
  }

  .product-tab-panel h3 {
    font-size: 15px
  }

  .product-tab-panel p {
    font-size: 11px
  }

  .security-checklist {
    grid-template-columns: 1fr;
    gap: 8px
  }

  .security-checklist label {
    padding: 14px
  }

  .security-note {
    padding: 16px;
    gap: 11px
  }

  .security-note h3 {
    font-size: 14px
  }

  .security-note p {
    font-size: 11px
  }

  .device-options {
    grid-template-columns: 1fr;
    gap: 9px
  }

  .device-options article,
  .device-options article:last-child {
    grid-column: auto;
    padding: 18px
  }

  .device-options p {
    min-height: 0
  }

  .steps-grid {
    grid-template-columns: 1fr;
    gap: 9px
  }

  .steps-grid article {
    padding: 17px
  }

  .steps-grid h3 {
    margin: 10px 0 6px
  }

  .faq-list {
    grid-template-columns: 1fr;
    gap: 9px
  }

  .faq-item summary {
    font-size: 12px;
    padding: 16px
  }

  .faq-item p {
    font-size: 11px;
    padding: 0 16px 16px
  }

  .faq-bottom-card {
    width: calc(100% - 28px);
    flex-direction: column;
    align-items: flex-start;
    padding: 20px;
    margin-bottom: 45px
  }

  .faq-bottom-card h2 {
    font-size: 23px
  }

  .download-band {
    padding: 24px 17px;
    margin-bottom: 48px;
    border-radius: 19px
  }

  .download-band-copy h2 {
    font-size: 28px
  }

  .download-band-copy p {
    font-size: 12px
  }

  .download-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 7px
  }

  .download-actions .btn {
    font-size: 10px;
    min-width: 0;
    padding: 0 7px;
    min-height: 46px
  }

  .download-band-art {
    min-height: 225px
  }

  .phone-card {
    width: 118px;
    height: 205px
  }

  .floating-label {
    bottom: 0
  }

  .footer-inner {
    grid-template-columns: 1fr 1fr;
    gap: 22px;
    padding: 32px 0 24px
  }

  .footer-about p {
    font-size: 10px
  }

  .footer-col {
    font-size: 10px
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    padding: 12px 0;
    gap: 4px
  }

  .qr-popover {
    width: 178px;
    padding: 10px
  }

  .qr-popover img {
    width: 122px;
    height: 122px
  }
}

@media(prefers-reduced-motion:reduce) {

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition: none !important;
    animation: none !important
  }
}

.will-reveal {
  opacity: 0;
  transform: translateY(13px);
  transition: opacity .45s ease, transform .45s cubic-bezier(.2, .7, .2, 1)
}

.will-reveal.is-visible {
  opacity: 1;
  transform: translateY(0)
}

@media(prefers-reduced-motion:reduce) {

  .will-reveal,
  .will-reveal.is-visible {
    opacity: 1;
    transform: none
  }
}

/* Reference-inspired home page composition: dark finance UI, yellow accents, chart card and modular sections. */
.reference-hero {
  width: min(1220px, calc(100% - 48px));
  min-height: 610px;
  margin: auto;
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(390px, .98fr);
  gap: 36px;
  align-items: center;
  padding: 55px 0 58px
}

.reference-hero-copy {
  position: relative;
  z-index: 3
}

.reference-hero-copy h1 {
  font-size: clamp(42px, 5.1vw, 67px);
  line-height: 1.08;
  letter-spacing: -.05em;
  margin: 19px 0 20px
}

.reference-hero-copy h1 em {
  font-style: normal;
  color: var(--yellow)
}

.reference-lead {
  max-width: 570px;
  color: #b1b1b1;
  font-size: 15px;
  line-height: 1.9;
  margin: 0 0 25px
}

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

.reference-proof-points {
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
  margin-top: 30px;
  padding-top: 18px;
  border-top: 1px solid #292929;
  max-width: 560px
}

.reference-proof-points span {
  font-size: 11px;
  color: #999;
  display: flex;
  gap: 8px;
  align-items: center
}

.reference-proof-points b {
  font-size: 13px;
  color: var(--yellow)
}

.reference-hero-visual {
  position: relative;
  min-height: 500px;
  display: flex;
  align-items: center;
  justify-content: center;
  isolation: isolate
}

.reference-glow {
  position: absolute;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(240, 185, 11, .15), rgba(240, 185, 11, .03) 48%, transparent 72%);
  z-index: -1
}

.reference-phone {
  position: absolute;
  left: 7%;
  top: 8%;
  width: 190px;
  height: 390px;
  /* border: 1px solid #505050; */
  border-radius: 24px;
  padding: 5px;
  /* background: #101010; */
  /* box-shadow: 0 28px 75px #000b; */
  overflow: hidden;
  transform: rotate(-7deg);
  z-index: 1
}

.reference-phone img {
  height: 100%;
  width: 100%;
  object-fit: cover;
  object-position: top;
  border-radius: 19px
}

.reference-market-card {
  position: absolute;
  right: 0;
  top: 16%;
  width: min(360px, 82%);
  padding: 20px;
  border: 1px solid #444;
  border-radius: 19px;
  background: linear-gradient(145deg, rgba(27, 27, 27, .97), rgba(12, 12, 12, .98));
  box-shadow: 0 25px 75px #000b;
  z-index: 3;
  backdrop-filter: blur(16px)
}

.market-card-top {
  display: flex;
  align-items: center;
  gap: 10px
}

.market-token {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  font-weight: 800;
  background: #f7931a;
  color: white
}

.market-card-top>div {
  display: flex;
  flex-direction: column;
  gap: 2px
}

.market-card-top>div b {
  font-size: 12px
}

.market-card-top>div small {
  font-size: 10px;
  color: #999
}

.sample-pill {
  margin-left: auto;
  padding: 4px 7px;
  border: 1px solid #51431b;
  border-radius: 6px;
  color: #d8bd5b;
  font-size: 9px;
  white-space: nowrap
}

.reference-price {
  display: block;
  font-size: 27px;
  letter-spacing: -.035em;
  margin-top: 20px
}

.reference-price small {
  font-size: 11px;
  color: #888;
  letter-spacing: 0
}

.reference-change {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  margin-top: 5px;
  font-size: 10px;
  color: var(--yellow)
}

.reference-change span {
  color: #777
}

.reference-chart {
  width: 100%;
  height: auto;
  margin-top: 13px
}

.ref-chart-grid {
  fill: none;
  stroke: #2b2b2b;
  stroke-width: 1
}

.ref-chart-area {
  fill: rgba(240, 185, 11, .12)
}

.ref-chart-line {
  fill: none;
  stroke: var(--yellow);
  stroke-width: 2.4;
  stroke-linecap: round;
  stroke-linejoin: round
}

.reference-market-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  padding-top: 12px;
  border-top: 1px solid #2b2b2b
}

.reference-market-stats div {
  display: flex;
  flex-direction: column;
  gap: 4px
}

.reference-market-stats small {
  font-size: 10px;
  color: #777
}

.reference-market-stats b {
  font-size: 12px
}

.reference-floating-card {
  position: absolute;
  bottom: 9%;
  left: 3%;
  z-index: 4;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 15px;
  border: 1px solid #3c3c3c;
  border-radius: 13px;
  background: #171717;
  box-shadow: 0 15px 45px #0009
}

.float-check {
  width: 30px;
  height: 30px;
  border-radius: 9px;
  display: grid;
  place-items: center;
  background: var(--yellow);
  color: #111;
  font-weight: 900
}

.reference-floating-card b,
.reference-floating-card small {
  display: block
}

.reference-floating-card b {
  font-size: 11px
}

.reference-floating-card small {
  font-size: 10px;
  color: #999;
  margin-top: 3px
}

.reference-metrics {
  width: min(1220px, calc(100% - 48px));
  margin: 0 auto 6px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border: 1px solid #2b2b2b;
  border-radius: 17px;
  background: linear-gradient(110deg, #151515, #0d0d0d);
  overflow: hidden
}

.reference-metrics>a {
  display: grid;
  grid-template-columns: 42px 1fr;
  grid-template-rows: auto auto;
  align-content: center;
  align-items: center;
  column-gap: 10px;
  min-height: 98px;
  padding: 18px 20px;
  border-right: 1px solid #292929;
  transition: background .2s
}

.reference-metrics>a:last-child {
  border-right: 0
}

.reference-metrics>a:hover {
  background: #1c1a12
}

.metric-symbol {
  grid-row: 1/3;
  width: 38px;
  height: 38px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: #292315;
  border: 1px solid #4b3d17;
  color: var(--yellow);
  font-size: 20px
}

.reference-metrics b {
  font-size: 12px
}

.reference-metrics small {
  font-size: 10px;
  color: #888;
  margin-top: 3px
}

.reference-section {
  padding-top: 70px
}

.reference-feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 13px
}

.reference-feature-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  min-height: 250px;
  padding: 22px;
  border: 1px solid #2e2e2e;
  border-radius: 17px;
  background: linear-gradient(145deg, #171717, #0c0c0c);
  overflow: hidden;
  transition: transform .22s, border-color .22s
}

.reference-feature-card:hover {
  transform: translateY(-4px);
  border-color: #6d591b
}

.ref-card-index {
  font-size: 9px;
  letter-spacing: .1em;
  color: #777
}

.ref-card-icon {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  margin: 20px 0 16px;
  background: #292315;
  border: 1px solid #4b3d17;
  border-radius: 12px;
  color: var(--yellow);
  font-size: 22px
}

.reference-feature-card h3 {
  font-size: 15px;
  margin: 0 0 8px
}

.reference-feature-card p {
  font-size: 11px;
  color: #999;
  line-height: 1.8;
  margin: 0 0 18px
}

.ref-card-link {
  font-size: 10px;
  color: var(--yellow);
  font-weight: 750;
  margin-top: auto
}

.reference-product-section {
  padding-top: 65px
}

.reference-product-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px
}

.reference-product-card {
  min-height: 220px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 22px 20px 22px 24px;
  border: 1px solid #2d2d2d;
  border-radius: 18px;
  background: linear-gradient(120deg, #171717, #0d0d0d);
  overflow: hidden;
  transition: border-color .2s, transform .2s
}

.reference-product-card:hover {
  border-color: #65531b;
  transform: translateY(-3px)
}

.reference-product-copy {
  position: relative;
  z-index: 2;
  max-width: 55%
}

.reference-product-copy>span {
  font-size: 10px;
  color: var(--yellow);
  letter-spacing: .12em
}

.reference-product-copy h3 {
  font-size: 19px;
  margin: 12px 0 8px
}

.reference-product-copy p {
  font-size: 11px;
  line-height: 1.8;
  color: #999;
  margin: 0
}

.reference-product-card img {
  width: 38%;
  height: 190px;
  object-fit: cover;
  object-position: top;
  border-radius: 11px;
  border: 1px solid #3c3c3c;
  mask-image: linear-gradient(to bottom, #000 80%, transparent 100%);
  transition: transform .35s
}

.reference-product-card:hover img {
  transform: translateY(-4px)
}

.reference-security {
  border-top: 1px solid #252525;
  border-bottom: 1px solid #252525;
  background: radial-gradient(ellipse at 0 50%, rgba(240, 185, 11, .07), transparent 45%), #0c0c0c;
  margin: 10px 0 30px
}

.reference-security-inner {
  width: min(1220px, calc(100% - 48px));
  margin: auto;
  padding: 65px 0;
  display: grid;
  grid-template-columns: .85fr 1.15fr;
  gap: 60px;
  align-items: center
}

.reference-security-copy h2 {
  font-size: clamp(31px, 3.6vw, 46px);
  line-height: 1.13;
  letter-spacing: -.04em;
  margin: 14px 0 18px
}

.reference-security-copy p {
  max-width: 440px;
  font-size: 12px;
  line-height: 1.9;
  color: #999;
  margin-bottom: 23px
}

.reference-security-list {
  border: 1px solid #303030;
  border-radius: 17px;
  overflow: hidden;
  background: #111
}

.reference-security-list>a {
  display: grid;
  grid-template-columns: 38px 1fr 20px;
  align-items: center;
  gap: 13px;
  padding: 17px 19px;
  border-bottom: 1px solid #292929;
  transition: background .2s
}

.reference-security-list>a:last-child {
  border-bottom: 0
}

.reference-security-list>a:hover {
  background: #1c1a12
}

.reference-security-list>a>span {
  font-size: 11px;
  color: var(--yellow)
}

.reference-security-list b,
.reference-security-list small {
  display: block
}

.reference-security-list b {
  font-size: 12px
}

.reference-security-list small {
  font-size: 10px;
  color: #888;
  margin-top: 4px
}

.reference-security-list i {
  font-size: 16px;
  color: #777;
  font-style: normal
}

.reference-faq-section {
  padding-top: 10px;
  padding-bottom: 75px
}

.reference-home-faq {
  max-width: 100%;
  grid-template-columns: repeat(2, minmax(0, 1fr))
}

@media(max-width:1100px) {
  .reference-hero {
    grid-template-columns: 1fr .9fr;
    gap: 20px
  }

  .reference-phone {
    left: 0;
    width: 155px;
    height: 340px
  }

  .reference-market-card {
    width: 82%
  }

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

  .reference-metrics>a {
    padding: 15px 12px
  }

  .reference-metrics small {
    font-size: 9px
  }

  .reference-security-inner {
    gap: 30px
  }
}

@media(max-width:820px) {
  .reference-hero {
    grid-template-columns: 1fr;
    gap: 10px;
    padding: 35px 0 38px
  }

  .reference-hero-visual {
    grid-row: 1;
    min-height: 435px
  }

  .reference-phone {
    left: 8%;
    top: 7%;
    width: 170px;
    height: 355px
  }

  .reference-market-card {
    right: 2%;
    top: 13%;
    width: min(350px, 78%)
  }

  .reference-floating-card {
    left: 5%;
    bottom: 4%
  }

  .reference-hero-copy h1 {
    font-size: clamp(40px, 7.5vw, 60px)
  }

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

  .reference-metrics>a:nth-child(2) {
    border-right: 0
  }

  .reference-metrics>a:nth-child(-n+2) {
    border-bottom: 1px solid #292929
  }

  .reference-product-grid {
    grid-template-columns: 1fr
  }

  .reference-security-inner {
    grid-template-columns: 1fr;
    gap: 25px
  }

  .reference-security-copy h2 br {
    display: none
  }
}

@media(max-width:540px) {
  .reference-hero {
    width: calc(100% - 28px);
    padding-top: 20px
  }

  .reference-hero-visual {
    min-height: 345px
  }

  .reference-phone {
    width: 125px;
    height: 270px;
    left: 0;
    top: 8%;
    border-radius: 18px
  }

  .reference-market-card {
    width: calc(100% - 75px);
    right: 0;
    top: 14%;
    padding: 13px;
    border-radius: 14px
  }

  .market-card-top {
    gap: 7px
  }

  .market-token {
    width: 27px;
    height: 27px;
    font-size: 13px
  }

  .market-card-top>div b {
    font-size: 10px
  }

  .market-card-top>div small {
    font-size: 8px
  }

  .sample-pill {
    font-size: 8px;
    padding: 3px 5px
  }

  .reference-price {
    font-size: 21px;
    margin-top: 13px
  }

  .reference-chart {
    margin-top: 8px
  }

  .reference-market-stats {
    gap: 8px;
    padding-top: 8px
  }

  .reference-market-stats b {
    font-size: 10px
  }

  .reference-market-stats small {
    font-size: 9px
  }

  .reference-floating-card {
    left: 0;
    bottom: 1%;
    padding: 9px 11px
  }

  .reference-floating-card b {
    font-size: 10px
  }

  .reference-floating-card small {
    font-size: 9px
  }

  .reference-hero-copy h1 {
    font-size: 38px
  }

  .reference-lead {
    font-size: 12px
  }

  .reference-hero-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px
  }

  .reference-hero-actions .btn {
    padding: 0 9px;
    font-size: 10px;
    min-height: 45px
  }

  .reference-proof-points {
    gap: 12px;
    margin-top: 22px
  }

  .reference-proof-points span {
    font-size: 9px
  }

  .reference-metrics {
    width: calc(100% - 28px)
  }

  .reference-metrics>a {
    grid-template-columns: 32px 1fr;
    column-gap: 7px;
    padding: 12px 9px;
    min-height: 78px
  }

  .metric-symbol {
    width: 30px;
    height: 30px;
    font-size: 17px
  }

  .reference-metrics b {
    font-size: 10px
  }

  .reference-metrics small {
    font-size: 8px
  }

  .reference-section {
    padding-top: 42px
  }

  .reference-feature-grid {
    grid-template-columns: 1fr 1fr;
    gap: 8px
  }

  .reference-feature-card {
    padding: 14px;
    min-height: 220px
  }

  .ref-card-index {
    font-size: 8px
  }

  .ref-card-icon {
    width: 34px;
    height: 34px;
    font-size: 18px;
    margin: 16px 0 13px
  }

  .reference-feature-card h3 {
    font-size: 13px
  }

  .reference-feature-card p {
    font-size: 10px
  }

  .ref-card-link {
    font-size: 9px
  }

  .reference-product-card {
    min-height: 170px;
    padding: 15px;
    gap: 7px
  }

  .reference-product-copy {
    max-width: 57%
  }

  .reference-product-copy h3 {
    font-size: 16px;
    margin: 9px 0 5px
  }

  .reference-product-copy p {
    font-size: 10px
  }

  .reference-product-card img {
    height: 145px;
    width: 38%
  }

  .reference-security-inner {
    width: calc(100% - 28px);
    padding: 42px 0
  }

  .reference-security-copy h2 {
    font-size: 30px
  }

  .reference-security-list>a {
    grid-template-columns: 28px 1fr 16px;
    padding: 14px 12px;
    gap: 8px
  }

  .reference-security-list b {
    font-size: 11px
  }

  .reference-security-list small {
    font-size: 9px
  }

  .reference-home-faq {
    grid-template-columns: 1fr
  }

  .reference-faq-section {
    padding-top: 0
  }
}

/* Hero download actions: two equal, accessible entry points. */
.reference-hero-actions {
  align-items: flex-start;
  gap: 12px
}

.hero-download-qr {
  min-width: 155px
}

.hero-download-qr>.btn {
  width: 100%;
  justify-content: center
}

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

.reference-product-card {
  min-height: 205px
}

.reference-product-copy {
  max-width: 59%
}

.reference-product-card img {
  width: 35%;
  object-fit: contain;
  object-position: center bottom;
  background: transparent;
  border: 0;
  mask-image: linear-gradient(to bottom, #000 88%, transparent 100%)
}

@media(max-width:540px) {
  .reference-hero-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    width: 100%
  }

  .hero-download-qr {
    min-width: 0
  }

  .hero-download-qr>.btn {
    font-size: 12px;
    padding-inline: 8px
  }

  .reference-product-card {
    min-height: 160px
  }

  .reference-product-copy {
    max-width: 60%
  }

  .reference-product-card img {
    width: 34%;
    height: 135px
  }
}


/* ===== Refresh 2026-10-27 ===== */
body {
  font-size: 16px
}

p {
  font-size: 15px
}

.block-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 30px;
  margin-bottom: 30px
}

.block-head h2 {
  font-size: clamp(32px, 3.4vw, 48px);
  line-height: 1.15;
  letter-spacing: -.035em;
  margin: 12px 0 0
}

.block-head>p {
  max-width: 560px;
  font-size: 17px;
  line-height: 1.8;
  color: #9d9d9d;
  margin: 0 0 5px
}

.center-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center
}

.center-block p {
  max-width: 760px
}

.feature-card h3,
.reference-feature-card h3,
.scene-card h3,
.advantage-card h3,
.device-options h3,
.faq-item summary,
.product-tab-panel article h3,
.reference-security-list b {
  font-size: 20px
}

.feature-card p,
.reference-feature-card p,
.scene-card p,
.advantage-card p,
.device-options p,
.faq-item p,
.product-tab-panel article p,
.security-note p,
.reference-security-list small {
  font-size: 15px;
  line-height: 1.9
}

.hero-lead,
.reference-lead {
  font-size: 18px
}

.nav-link {
  font-size: 14px
}

.brand b {
  font-size: 18px
}

.brand small {
  font-size: 11px
}

.btn {
  font-size: 14px
}

.btn-xl {
  min-height: 56px;
  padding: 0 28px;
  font-size: 16px;
  border-radius: 14px
}

.btn-icon {
  font-size: 18px;
  line-height: 1
}

/* replace old section head styling in pages */
.section-head {
  display: none !important
}

/* home download panel */
.home-download-panel {
  width: min(1220px, calc(100% - 48px));
  margin: 0 auto 40px
}

.home-download-panel-inner {
  padding: 36px 30px 28px;
  border-radius: 32px;
  background:
    radial-gradient(circle at 50% 0, rgba(240, 185, 11, .28), transparent 28%),
    linear-gradient(90deg, #071018, #121b28 55%, #171d26);
  border: 1px solid #232b33;
  box-shadow: 0 28px 60px rgba(0, 0, 0, .18);
  text-align: center;
  position: relative;
  overflow: hidden
}

.home-download-panel-inner:before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(transparent 0, transparent calc(100% - 1px), rgba(255, 255, 255, .04) calc(100% - 1px)),
    linear-gradient(90deg, transparent 0, transparent calc(100% - 1px), rgba(255, 255, 255, .04) calc(100% - 1px));
  background-size: 100% 54px, 54px 100%;
  pointer-events: none;
  opacity: .5
}

.home-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid rgba(240, 185, 11, .45);
  color: var(--yellow);
  background: rgba(240, 185, 11, .08);
  font-size: 14px;
  font-weight: 700;
  position: relative;
  z-index: 1
}

.light-badge {
  background: rgba(240, 185, 11, .08);
  border-color: #d0b159;
  color: #c99f17
}

.home-download-panel h2 {
  position: relative;
  z-index: 1;
  font-size: clamp(38px, 4vw, 58px);
  line-height: 1.16;
  letter-spacing: -.04em;
  margin: 22px 0 16px
}

.home-download-panel p {
  position: relative;
  z-index: 1;
  max-width: 780px;
  margin: 0 auto;
  color: #d0d4da;
  font-size: 17px;
  line-height: 1.9
}

.home-download-actions {
  position: relative;
  z-index: 1;
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 30px
}

.home-download-actions .btn-yellow {
  box-shadow: 0 10px 26px rgba(240, 185, 11, .24)
}

.home-download-actions .btn-light {
  background: #fff;
  color: #111
}

.home-download-meta {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: center;
  gap: 26px;
  flex-wrap: wrap;
  border-top: 1px solid rgba(255, 255, 255, .06);
  margin-top: 26px;
  padding-top: 22px;
  color: #c8ced6;
  font-size: 15px
}

.home-download-meta span {
  white-space: nowrap
}

/* advantage section */
.home-advantage-panel,
.home-product-panel {
  width: min(1220px, calc(100% - 48px));
  margin: 0 auto;
  padding: 72px 0 12px
}

.advantage-card-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  margin-top: 30px
}

.advantage-card {
  padding: 28px 26px;
  border: 1px solid #2f2f2f;
  border-radius: 24px;
  background: linear-gradient(145deg, #161616, #0f0f0f);
  box-shadow: 0 12px 32px rgba(0, 0, 0, .08)
}

.advantage-card.highlight-card {
  border-color: #5d4a19;
  box-shadow: 0 18px 40px rgba(240, 185, 11, .08)
}

.advantage-icon {
  width: 58px;
  height: 58px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  font-size: 28px;
  background: linear-gradient(145deg, #2a2416, #1a1a1a);
  border: 1px solid #4d3f1e;
  color: var(--yellow);
  margin-bottom: 20px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .05)
}

.advantage-card h3 {
  margin-bottom: 10px
}

.advantage-card p {
  color: #b1b1b1;
  margin: 0
}

/* scene/product section */
.scene-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 30px
}

.scene-card {
  display: grid;
  grid-template-columns: 68px 1fr;
  align-items: flex-start;
  gap: 18px;
  padding: 28px;
  border: 1px solid #2f2f2f;
  border-radius: 24px;
  background: linear-gradient(145deg, #171717, #0f0f0f);
  transition: transform .2s, border-color .2s
}

.scene-card:hover {
  transform: translateY(-3px);
  border-color: #5d4a19
}

.scene-icon {
  width: 58px;
  height: 58px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  font-size: 28px;
  background: linear-gradient(145deg, #222, #141414);
  border: 1px solid #353535;
  color: #f3f3f3;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .04)
}

.scene-card h3 {
  margin: 2px 0 10px
}

.scene-card p {
  margin: 0;
  color: #b1b1b1
}

/* make existing icons more vivid */
.feature-icon,
.device-icon,
.workflow-icon,
.feature-card .feature-icon,
.reference-feature-card .ref-card-icon {
  box-shadow: 0 10px 24px rgba(240, 185, 11, .08)
}

.feature-icon,
.device-icon {
  width: 54px;
  height: 54px;
  border-radius: 16px;
  background: linear-gradient(145deg, #2a2416, #171717);
  border-color: #55441a;
  color: var(--yellow)
}

.feature-icon svg,
.device-icon svg {
  width: 24px;
  height: 24px
}

.reference-feature-card .ref-card-icon {
  width: 54px;
  height: 54px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  background: linear-gradient(145deg, #2a2416, #171717);
  color: var(--yellow);
  font-size: 28px;
  border: 1px solid #58461b
}

.metric-symbol,
.workflow-number,
.matrix-index {
  font-size: 17px
}

.reference-metrics b,
.reference-feature-card h3,
.product-tab-panel article h3 {
  font-size: 20px
}

/* tweak existing sections */
.reference-security-copy p {
  font-size: 16px
}

.reference-security-list a {
  padding: 22px
}

.reference-security-list span {
  font-size: 16px
}

.reference-security-list b {
  display: block;
  margin-bottom: 4px
}

.faq-item summary {
  padding: 22px 22px
}

.faq-item p {
  padding: 0 22px 22px;
  color: #aaa
}

.download-band-copy p {
  font-size: 16px
}

.download-band-copy h2 {
  font-size: clamp(30px, 3.3vw, 44px)
}

.download-meta {
  font-size: 14px
}

/* responsive */
@media(max-width:1100px) {
  .advantage-card-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr))
  }

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

@media(max-width:820px) {

  .home-download-panel,
  .home-advantage-panel,
  .home-product-panel {
    width: calc(100% - 28px)
  }

  .home-download-panel h2 {
    font-size: clamp(30px, 7vw, 48px)
  }

  .home-download-panel p,
  .center-block p,
  .block-head>p {
    font-size: 16px
  }
}

@media(max-width:540px) {
  body {
    font-size: 15px
  }

  .block-head {
    gap: 12px;
    margin-bottom: 22px
  }

  .block-head h2 {
    font-size: clamp(28px, 8vw, 38px)
  }

  .feature-card h3,
  .reference-feature-card h3,
  .scene-card h3,
  .advantage-card h3,
  .device-options h3,
  .faq-item summary,
  .product-tab-panel article h3 {
    font-size: 18px
  }

  .feature-card p,
  .reference-feature-card p,
  .scene-card p,
  .advantage-card p,
  .device-options p,
  .faq-item p,
  .product-tab-panel article p,
  .security-note p,
  .reference-security-list small {
    font-size: 14px
  }

  .advantage-card-grid,
  .scene-grid {
    grid-template-columns: 1fr
  }

  .home-download-panel-inner {
    padding: 28px 16px 22px;
    border-radius: 24px
  }

  .home-download-actions {
    gap: 10px
  }

  .home-download-actions .btn,
  .home-download-actions .btn-xl {
    width: 100%
  }

  .home-download-meta {
    gap: 12px 18px;
    font-size: 13px
  }

  .advantage-card,
  .scene-card {
    padding: 22px
  }
}


/* Mobile refinement v4 — only tablet/mobile breakpoints; desktop rules remain unchanged. */
html, body { max-width: 100%; }
img, svg, video, canvas { max-width: 100%; }
button, a { -webkit-tap-highlight-color: transparent; }

@media (max-width: 820px) {
  .header-inner {
    height: 68px;
    width: calc(100% - 28px);
    gap: 9px;
  }
  .brand { gap: 7px; min-width: 0; flex: 0 1 auto; }
  .brand img { width: 38px; height: 38px; flex: 0 0 38px; object-fit: contain; }
  .brand b { font-size: 16px; line-height: 1.15; white-space: nowrap; }
  .menu-toggle { width: 42px; height: 42px; flex: 0 0 42px; }
  .header-actions { gap: 7px; min-width: 0; }
  .header-actions .btn,
  .header-actions .top-action {
    min-height: 42px;
    padding: 0 12px;
    font-size: 13px;
    line-height: 1.2;
    white-space: nowrap;
  }
  .nav-link { min-height: 44px; display: flex; align-items: center; font-size: 15px; }
  .reference-hero { width: calc(100% - 32px); padding-top: 28px; }
  .reference-hero-copy h1 { font-size: clamp(36px, 6vw, 52px); line-height: 1.13; }
  .reference-lead { font-size: 16px; line-height: 1.8; }
  .hero-disclosure { font-size: 12px; line-height: 1.75; }
  .reference-hero-actions { gap: 10px; }
  .reference-hero-actions .btn,
  .reference-hero-actions .btn-large {
    min-height: 48px;
    padding: 0 16px;
    font-size: 14px;
    justify-content: center;
    white-space: nowrap;
  }
  .reference-metrics { width: calc(100% - 32px); }
  .reference-metrics b { font-size: 14px; }
  .reference-metrics small { font-size: 12px; line-height: 1.45; }
  .home-download-panel,
  .home-advantage-panel,
  .home-product-panel,
  .reference-security-inner,
  .section-wrap {
    width: calc(100% - 32px);
  }
  .home-download-panel-inner { padding: 32px 24px 24px; }
  .home-download-panel h2 { font-size: clamp(30px, 5vw, 42px); line-height: 1.2; }
  .home-download-panel p { font-size: 16px; line-height: 1.8; }
  .home-download-actions { gap: 12px; }
  .home-download-actions .btn,
  .home-download-actions .btn-xl {
    min-height: 50px;
    font-size: 15px;
    padding: 0 18px;
  }
  .home-download-meta { gap: 12px 20px; font-size: 13px; line-height: 1.5; }
  .home-badge { min-height: 32px; font-size: 13px; }
  .block-head h2 { font-size: clamp(29px, 4.6vw, 40px); line-height: 1.2; }
  .block-head > p,
  .center-block p { font-size: 15px; line-height: 1.8; }
  .advantage-card-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
  .advantage-card { padding: 22px 20px; border-radius: 20px; }
  .advantage-icon { width: 48px; height: 48px; border-radius: 15px; font-size: 24px; margin-bottom: 15px; }
  .advantage-card h3 { font-size: 17px; line-height: 1.4; }
  .advantage-card p { font-size: 14px; line-height: 1.75; }
  .scene-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
  .scene-card { grid-template-columns: 48px minmax(0, 1fr); gap: 13px; padding: 20px 16px; border-radius: 20px; }
  .scene-icon { width: 46px; height: 46px; border-radius: 14px; font-size: 23px; }
  .scene-card h3 { font-size: 17px; line-height: 1.4; }
  .scene-card p { font-size: 14px; line-height: 1.7; }
  .reference-security-copy h2 { font-size: clamp(30px, 5vw, 42px); }
  .reference-security-copy p { font-size: 15px; line-height: 1.8; }
  .reference-security-list a { padding: 17px 16px; }
  .reference-security-list b { font-size: 15px; }
  .reference-security-list small { font-size: 13px; line-height: 1.6; }
  .reference-product-copy h3 { font-size: 17px; }
  .reference-product-copy p { font-size: 13px; line-height: 1.7; }
  .faq-list { grid-template-columns: 1fr; gap: 10px; }
  .faq-item summary { min-height: 54px; padding: 16px 18px; font-size: 15px; line-height: 1.55; gap: 12px; }
  .faq-item p { padding: 0 18px 18px; font-size: 14px; line-height: 1.8; }
  .btn { min-height: 44px; font-size: 14px; }
  .btn-large { min-height: 48px; }
  .site-footer { font-size: 13px; }
  .site-footer a { min-height: 40px; display: inline-flex; align-items: center; }
}

@media (max-width: 540px) {
  .header-inner {
    height: 64px;
    width: calc(100% - 20px);
    gap: 7px;
  }
  .brand { gap: 5px; }
  .brand img { width: 34px; height: 34px; flex-basis: 34px; }
  .brand b { font-size: 14px; }
  .menu-toggle { width: 38px; height: 38px; flex-basis: 38px; }
  .header-actions { gap: 5px; }
  .header-actions .qr-wrap { min-width: 0; }
  .header-actions .btn,
  .header-actions .top-action {
    min-height: 39px;
    padding: 0 8px;
    font-size: 11px;
    letter-spacing: -.02em;
  }
  .header-actions .arrow { display: none; }
  .nav { max-height: calc(100dvh - 64px); overflow-y: auto; overscroll-behavior: contain; }
  .nav-link { min-height: 46px; padding: 12px 16px; font-size: 15px; }
  .reference-hero { width: calc(100% - 24px); padding: 18px 0 28px; gap: 5px; }
  .reference-hero-visual { min-height: 330px; }
  .reference-hero-copy h1 { font-size: clamp(32px, 9vw, 40px); margin: 13px 0 12px; }
  .reference-lead { font-size: 15px; line-height: 1.75; margin-bottom: 18px; }
  .reference-hero-actions { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
  .reference-hero-actions .qr-wrap { min-width: 0; width: 100%; }
  .reference-hero-actions .btn,
  .reference-hero-actions .btn-large {
    width: 100%;
    min-height: 46px;
    padding: 0 7px;
    font-size: 13px;
  }
  .reference-hero-actions .arrow { display: none; }
  .hero-disclosure { font-size: 11px; }
  .reference-proof-points { gap: 9px 13px; }
  .reference-proof-points span { font-size: 11px; }
  .reference-metrics { width: calc(100% - 24px); }
  .reference-metrics > a { min-height: 78px; grid-template-columns: 30px minmax(0, 1fr); gap: 8px; padding: 11px 9px; }
  .metric-symbol { width: 29px; height: 29px; font-size: 16px; }
  .reference-metrics b { font-size: 12px; }
  .reference-metrics small { font-size: 10px; }
  .home-download-panel,
  .home-advantage-panel,
  .home-product-panel,
  .reference-security-inner,
  .section-wrap { width: calc(100% - 24px); }
  .home-download-panel { margin-bottom: 24px; }
  .home-download-panel-inner { padding: 27px 15px 21px; border-radius: 22px; }
  .home-download-panel h2 { font-size: clamp(27px, 7.4vw, 34px); margin: 17px 0 12px; line-height: 1.23; }
  .home-download-panel p { font-size: 14px; line-height: 1.75; }
  .home-download-actions { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; margin-top: 22px; }
  .home-download-actions .qr-wrap { min-width: 0; width: 100%; }
  .home-download-actions .btn,
  .home-download-actions .btn-xl { width: 100%; min-height: 46px; padding: 0 7px; font-size: 13px; border-radius: 12px; }
  .home-download-actions .btn-icon { font-size: 16px; }
  .home-download-meta { gap: 9px 12px; margin-top: 20px; padding-top: 16px; font-size: 11px; }
  .home-download-meta span { white-space: normal; }
  .home-advantage-panel,
  .home-product-panel { padding-top: 43px; }
  .block-head { align-items: flex-start; flex-direction: column; gap: 10px; margin-bottom: 20px; }
  .block-head h2 { font-size: clamp(27px, 7.8vw, 34px); margin-top: 10px; }
  .block-head > p,
  .center-block p { font-size: 14px; line-height: 1.75; }
  .center-block { align-items: center; text-align: center; }
  .advantage-card-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 9px; margin-top: 20px; }
  .advantage-card { padding: 16px 13px; border-radius: 17px; }
  .advantage-icon { width: 40px; height: 40px; border-radius: 12px; font-size: 21px; margin-bottom: 12px; }
  .advantage-card h3 { font-size: 14px; line-height: 1.45; margin-bottom: 7px; }
  .advantage-card p { font-size: 12px; line-height: 1.7; }
  .scene-grid { grid-template-columns: 1fr; gap: 9px; margin-top: 20px; }
  .scene-card { grid-template-columns: 44px minmax(0, 1fr); gap: 12px; padding: 17px 15px; border-radius: 17px; }
  .scene-icon { width: 42px; height: 42px; border-radius: 13px; font-size: 22px; }
  .scene-card h3 { font-size: 16px; margin: 0 0 5px; }
  .scene-card p { font-size: 13px; line-height: 1.7; }
  .reference-security { margin: 16px 0 24px; }
  .reference-security-inner { padding: 38px 0; gap: 20px; }
  .reference-security-copy h2 { font-size: 30px; margin: 12px 0; }
  .reference-security-copy p { font-size: 14px; line-height: 1.75; }
  .reference-security-copy .btn { width: 100%; justify-content: center; }
  .reference-security-list a { grid-template-columns: 27px minmax(0, 1fr) 15px; gap: 8px; padding: 14px 11px; }
  .reference-security-list b { font-size: 13px; }
  .reference-security-list small { font-size: 11px; line-height: 1.55; }
  .reference-product-grid { grid-template-columns: 1fr; gap: 9px; }
  .reference-product-card { min-height: 150px; padding: 14px; }
  .reference-product-copy { max-width: 60%; }
  .reference-product-copy h3 { font-size: 15px; }
  .reference-product-copy p { font-size: 12px; line-height: 1.65; }
  .reference-product-card img { height: 125px; }
  .reference-faq-section { padding-bottom: 42px; }
  .faq-item summary { padding: 15px 13px; font-size: 14px; min-height: 50px; }
  .faq-item p { padding: 0 13px 15px; font-size: 13px; }
  .btn { min-height: 44px; }
  .footer-inner, .footer-grid { gap: 20px; }
  .site-footer { padding-bottom: calc(24px + env(safe-area-inset-bottom)); }
  .qr-popover { width: min(190px, calc(100vw - 32px)); max-width: calc(100vw - 32px); }
}

@media (max-width: 370px) {
  .header-inner { width: calc(100% - 14px); gap: 5px; }
  .brand img { width: 30px; height: 30px; flex-basis: 30px; }
  .brand b { font-size: 12px; }
  .header-actions .btn,
  .header-actions .top-action { padding: 0 6px; font-size: 10px; }
  .menu-toggle { width: 34px; height: 34px; flex-basis: 34px; }
  .reference-hero-copy h1 { font-size: 30px; }
  .home-download-panel-inner { padding-inline: 11px; }
  .home-download-actions .btn,
  .home-download-actions .btn-xl { font-size: 12px; }
  .home-download-meta { gap: 8px 10px; font-size: 10px; }
  .advantage-card { padding: 13px 10px; }
  .advantage-card h3 { font-size: 13px; }
  .advantage-card p { font-size: 11px; }
}


/* V5: touch/mobile — click links directly; never show a QR popover.
   Desktop hover/focus behavior remains unchanged. */
@media (hover: none), (pointer: coarse), (max-width: 820px) {
  .qr-wrap .qr-popover,
  .qr-wrap:hover .qr-popover,
  .qr-wrap:focus-within .qr-popover,
  .qr-down .qr-popover,
  .qr-up .qr-popover {
    display: none !important;
    opacity: 0 !important;
    visibility: hidden !important;
    pointer-events: none !important;
  }
  .qr-wrap > a { touch-action: manipulation; }
}

/* V6: stable fixed header and horizontal-overflow containment on touch screens only. */
@media (max-width: 820px) {
  html { width: 100%; max-width: 100%; overflow-x: clip; scroll-padding-top: 84px; }
  body { width: 100%; min-width: 0; max-width: 100%; overflow-x: clip; padding-top: 68px; }
  .site-header {
    position: fixed !important;
    inset: 0 0 auto 0;
    width: 100%; max-width: 100%;
    z-index: 1000;
    transform: none !important;
    margin: 0;
  }
  .header-inner { width: calc(100% - 24px); max-width: 100%; min-width: 0; }
  .site-header .brand { min-width: 0; }
  .site-header .header-actions { min-width: 0; flex-shrink: 0; }
  .site-header .nav { top: 100%; max-width: 100%; max-height: calc(100dvh - 68px); overflow-y: auto; overflow-x: hidden; }
  main, section, .reference-hero, .section-wrap, .reference-metrics, .reference-security-inner, .home-download-panel, .home-advantage-panel, .home-product-panel, .download-band, .site-footer, .footer-inner { max-width: 100%; min-width: 0; }
  .reference-hero-copy, .reference-hero-visual, .reference-market-card, .reference-security-copy, .reference-security-list, .advantage-card, .scene-card, .reference-product-card { min-width: 0; }
  .reference-hero-copy h1, .reference-lead, .block-head h2, .home-download-panel h2, .home-download-panel p, .scene-card p, .advantage-card p { overflow-wrap: anywhere; }
  .reference-chart, .snapshot-chart svg, .reference-product-card img { max-width: 100%; }
  .qr-popover { max-width: calc(100vw - 24px); }
}
@media (max-width: 540px) {
  html { scroll-padding-top: 78px; }
  body { padding-top: 64px; }
  .site-header .nav { max-height: calc(100dvh - 64px); }
  .header-inner { width: calc(100% - 20px); }
  .reference-hero-actions .qr-wrap, .home-download-actions .qr-wrap { min-width: 0; max-width: 100%; }
  .reference-market-card { max-width: calc(100% - 65px); }
  .reference-hero-visual, .reference-phone, .home-download-panel-inner { max-width: 100%; }
  .scene-grid, .advantage-card-grid, .reference-product-grid, .faq-list { min-width: 0; }
}
@media (max-width: 370px) {
  .header-inner { width: calc(100% - 14px); }
  .site-header .header-actions .btn { padding-left: 5px; padding-right: 5px; }
}
