:root {
  font-family:
    Aptos,
    'Segoe UI',
    'Microsoft JhengHei',
    'Noto Sans TC',
    sans-serif;
  line-height: 1.55;
  font-weight: 400;
  color-scheme: dark;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  --ink: #f7f2ff;
  --muted: #baaee0;
  --line: rgba(205, 191, 255, 0.14);
  --line-strong: rgba(204, 153, 255, 0.44);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  color: var(--ink);
  background:
    radial-gradient(circle at 16% 12%, rgba(217, 70, 239, 0.22), transparent 22%),
    radial-gradient(circle at 88% 14%, rgba(99, 102, 241, 0.18), transparent 24%),
    radial-gradient(circle at 50% 100%, rgba(91, 33, 182, 0.2), transparent 30%),
    linear-gradient(180deg, #080512 0%, #0d0820 28%, #130a24 65%, #0b0716 100%);
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 32px 32px;
  opacity: 0.3;
}

a,
button {
  font: inherit;
}

a {
  color: inherit;
}

button {
  border: 0;
  background: none;
}

img {
  max-width: 100%;
}

#root {
  min-height: 100vh;
}

h1,
h2,
h3,
strong {
  margin: 0;
  font-family:
    'Iowan Old Style',
    Georgia,
    'Noto Serif TC',
    serif;
  color: var(--ink);
}

p,
li,
figure {
  margin: 0;
}
.page-shell {
  width: min(100%, 1180px);
  margin: 0 auto;
  padding: 10px;
}

.topbar {
  position: static;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 14px;
  margin-bottom: 12px;
  border: 1px solid var(--line);
  border-radius: 24px;
  backdrop-filter: blur(16px);
  background: rgba(18, 12, 33, 0.72);
  box-shadow: 0 18px 42px rgba(4, 2, 16, 0.35);
}

.brand-lockup {
  display: inline-flex;
  flex-direction: column;
  gap: 2px;
  text-decoration: none;
  color: var(--ink);
}

.brand-lockup span {
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.brand-lockup strong {
  font-size: 1rem;
}

.topbar nav {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}

.topbar nav a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 10px;
  border-radius: 999px;
  border: 1px solid transparent;
  text-decoration: none;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.04);
  transition:
    transform 160ms ease,
    border-color 160ms ease,
    color 160ms ease,
    background 160ms ease;
}

.topbar nav a:hover,
.topbar nav a:focus-visible {
  color: var(--ink);
  border-color: var(--line-strong);
  background: rgba(181, 76, 255, 0.12);
  transform: translateY(-1px);
}

.nav-long {
  display: none;
}

.nav-short {
  display: inline;
}

.intro-main {
  display: grid;
  gap: 12px;
  scroll-snap-type: y mandatory;
}

.slide {
  min-height: calc(100svh - 20px);
  display: grid;
  align-content: start;
  gap: 22px;
  padding: 20px;
  scroll-snap-align: start;
  border: 1px solid var(--line);
  border-radius: 28px;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(18, 12, 35, 0.92), rgba(11, 8, 24, 0.94)),
    linear-gradient(135deg, rgba(181, 76, 255, 0.18), rgba(110, 92, 255, 0.12));
  box-shadow: 0 28px 64px rgba(5, 3, 18, 0.38);
}

.slide::before {
  content: '';
  position: absolute;
}

.who-slide,
.doing-slide,
.done-slide,
.contact-slide {
  position: relative;
}

.who-slide::before,
.doing-slide::before,
.done-slide::before,
.contact-slide::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 85% 10%, rgba(217, 70, 239, 0.16), transparent 26%),
    radial-gradient(circle at 8% 100%, rgba(99, 102, 241, 0.14), transparent 24%);
}

.section-header,
.who-grid,
.action-grid,
.case-stage,
.contact-grid {
  position: relative;
  z-index: 1;
}

.section-header {
  display: grid;
  gap: 8px;
}

.section-header h2 {
  margin: 0;
  font-size: clamp(2rem, 8vw, 3.2rem);
}

.section-header p,
.role-line,
.action-card p,
.case-intro p,
.contact-summary p,
.contact-card span,
.proof-card figcaption {
  color: var(--muted);
}

.who-grid {
  display: grid;
  gap: 18px;
}

.who-copy {
  display: grid;
  gap: 14px;
}

.who-copy h1 {
  margin: 0;
  font-size: clamp(2.9rem, 13vw, 4.8rem);
  line-height: 0.94;
  letter-spacing: -0.06em;
}

.role-line {
  font-size: 1rem;
}

.chip-row,
.result-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.chip-row span,
.result-row span {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 12px;
  border-radius: 999px;
  border: 1px solid rgba(201, 166, 255, 0.2);
  background: rgba(255, 255, 255, 0.06);
}

.benefit-row,
.contact-benefits {
  display: grid;
  gap: 10px;
}

.benefit-card {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 12px;
  align-items: center;
  padding: 16px;
  border-radius: 22px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.05);
}

.benefit-card strong {
  display: block;
  font-size: 1.24rem;
  line-height: 1;
}

.benefit-card em {
  display: block;
  margin-top: 6px;
  font-style: normal;
  color: var(--ink);
  font-weight: 700;
}

.benefit-card span {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.92rem;
}

.benefit-card small,
.action-formula,
.estimate-card span {
  display: block;
  margin-top: 6px;
  color: rgba(186, 174, 224, 0.78);
  font-size: 0.84rem;
}

.hero-glyph,
.benefit-card,
.action-card,
.case-switch,
.case-panel,
.state-card,
.proof-card,
.contact-summary,
.contact-card,
.qr-card {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.hero-glyph {
  min-height: 280px;
  position: relative;
  border-radius: 26px;
  overflow: hidden;
}

.chaos-cluster,
.hero-stream,
.order-grid {
  position: absolute;
}

.chaos-cluster {
  inset: 18px auto 18px 18px;
  width: 42%;
}

.chaos-cluster span,
.order-grid span {
  position: absolute;
  width: 16px;
  height: 16px;
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(217, 70, 239, 0.95), rgba(122, 66, 255, 0.9));
  box-shadow: 0 0 0 8px rgba(181, 76, 255, 0.06);
}

.chaos-cluster span:nth-child(1) {
  top: 18px;
  left: 24px;
}

.chaos-cluster span:nth-child(2) {
  top: 64px;
  left: 78px;
}

.chaos-cluster span:nth-child(3) {
  top: 112px;
  left: 20px;
}

.chaos-cluster span:nth-child(4) {
  top: 158px;
  left: 94px;
}

.chaos-cluster span:nth-child(5) {
  top: 206px;
  left: 42px;
}

.chaos-cluster span:nth-child(6) {
  top: 92px;
  left: 126px;
}

.chaos-cluster span:nth-child(7) {
  top: 180px;
  left: 140px;
}

.hero-stream {
  inset: 50% auto auto 45%;
  width: 18%;
  height: 12px;
  transform: translateY(-50%);
  border-radius: 999px;
  background:
    linear-gradient(90deg, rgba(217, 70, 239, 0.08), rgba(95, 208, 255, 0.08)),
    linear-gradient(90deg, rgba(217, 70, 239, 0.9), rgba(95, 208, 255, 0.95));
  background-size: 100% 100%, 200% 100%;
  animation: pulse-track 3s linear infinite;
}

.hero-stream span {
  position: absolute;
  top: 50%;
  width: 12px;
  height: 12px;
  border-radius: 999px;
  transform: translateY(-50%);
  background: #ffffff;
}

.hero-stream span:nth-child(1) {
  left: 18%;
}

.hero-stream span:nth-child(2) {
  left: 48%;
}

.hero-stream span:nth-child(3) {
  left: 78%;
}

.order-grid {
  top: 50%;
  right: 30px;
  width: 34%;
  height: 170px;
  transform: translateY(-50%);
}

.order-grid span:nth-child(1) {
  top: 0;
  left: 0;
}

.order-grid span:nth-child(2) {
  top: 0;
  right: 0;
}

.order-grid span:nth-child(3) {
  top: 50%;
  left: 0;
  transform: translateY(-50%);
}

.order-grid span:nth-child(4) {
  top: 50%;
  right: 0;
  transform: translateY(-50%);
}

.order-grid span:nth-child(5) {
  bottom: 0;
  left: 0;
}

.order-grid span:nth-child(6) {
  bottom: 0;
  right: 0;
}

.benefit-glyph {
  width: 72px;
  height: 72px;
  position: relative;
  border-radius: 18px;
  border: 1px solid rgba(201, 166, 255, 0.18);
  background: rgba(255, 255, 255, 0.03);
}

.profit-bar,
.profit-arrow,
.speed-lane,
.speed-node,
.speed-tip,
.cost-ring,
.cost-cut {
  position: absolute;
}

.profit-bar {
  bottom: 14px;
  width: 10px;
  border-radius: 999px 999px 0 0;
  background: linear-gradient(180deg, #d946ef, #8b5cf6);
}

.profit-bar.a {
  left: 14px;
  height: 18px;
}

.profit-bar.b {
  left: 30px;
  height: 30px;
}

.profit-bar.c {
  left: 46px;
  height: 44px;
}

.profit-arrow {
  top: 14px;
  right: 12px;
  width: 28px;
  height: 28px;
  border-top: 3px solid #ffffff;
  border-right: 3px solid #ffffff;
  transform: rotate(45deg);
}

.speed-lane {
  left: 14px;
  right: 14px;
  height: 6px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
}

.speed-lane.a {
  top: 24px;
}

.speed-lane.b {
  top: 42px;
}

.speed-node {
  top: 20px;
  left: 18px;
  width: 20px;
  height: 20px;
  border-radius: 999px;
  background: linear-gradient(135deg, #d946ef, #8b5cf6);
}

.speed-tip {
  top: 33px;
  right: 16px;
  width: 20px;
  height: 20px;
  border-top: 3px solid #5fd0ff;
  border-right: 3px solid #5fd0ff;
  transform: rotate(45deg);
}

.cost-ring {
  border-radius: 999px;
  border: 2px solid rgba(201, 166, 255, 0.28);
}

.cost-ring.outer {
  inset: 10px;
}

.cost-ring.mid {
  inset: 20px;
}

.cost-ring.core {
  inset: 30px;
  background: rgba(95, 208, 255, 0.14);
}

.cost-cut {
  top: 16px;
  right: 16px;
  width: 24px;
  height: 24px;
  border-bottom: 3px solid #5fd0ff;
  border-left: 3px solid #5fd0ff;
  transform: rotate(-45deg);
}

.action-grid {
  display: grid;
  gap: 14px;
}

.action-card {
  position: relative;
  padding: 20px;
  border-radius: 24px;
}

.gain-pill {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  color: #f7dcff;
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  background: rgba(181, 76, 255, 0.16);
  border: 1px solid rgba(201, 166, 255, 0.22);
  margin-bottom: 12px;
}

.action-head {
  display: flex;
  align-items: center;
  gap: 14px;
}

.action-head h3 {
  margin: 0;
  font-size: 1.3rem;
}

.action-value,
.estimate-card strong {
  display: block;
  margin-top: 8px;
  font-size: 1.2rem;
  line-height: 1;
}

.action-glyph {
  width: 88px;
  height: 88px;
  flex: 0 0 88px;
  position: relative;
  border-radius: 22px;
  border: 1px solid rgba(201, 166, 255, 0.18);
  background: rgba(255, 255, 255, 0.03);
}

.tool-pill {
  position: absolute;
  left: 16px;
  right: 16px;
  height: 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
}

.tool-pill:nth-child(1) {
  top: 20px;
}

.tool-pill:nth-child(2) {
  top: 39px;
}

.tool-pill:nth-child(3) {
  top: 58px;
}

.tool-pill.active {
  background: linear-gradient(90deg, #d946ef, #8b5cf6, #5fd0ff);
}

.flow-dot,
.flow-link {
  position: absolute;
}

.flow-dot {
  width: 14px;
  height: 14px;
  border-radius: 999px;
  background: linear-gradient(135deg, #d946ef, #8b5cf6);
}

.flow-dot-a {
  top: 18px;
  left: 18px;
}

.flow-dot-b {
  top: 38px;
  right: 18px;
}

.flow-dot-c {
  bottom: 18px;
  left: 50%;
  transform: translateX(-50%);
}

.flow-link {
  height: 2px;
  background: linear-gradient(90deg, rgba(217, 70, 239, 0.24), rgba(95, 208, 255, 0.78));
}

.flow-link-a {
  top: 30px;
  left: 28px;
  width: 42px;
  transform: rotate(18deg);
}

.flow-link-b {
  bottom: 30px;
  left: 36px;
  width: 28px;
  transform: rotate(-54deg);
}

.poc-frame,
.poc-pulse,
.poc-check {
  position: absolute;
}

.poc-frame {
  inset: 18px;
  border-radius: 18px;
  border: 1px solid rgba(201, 166, 255, 0.22);
}

.poc-pulse {
  inset: 26px;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(217, 70, 239, 0.18), rgba(95, 208, 255, 0.12));
}

.poc-check {
  top: 34px;
  left: 30px;
  width: 30px;
  height: 16px;
  border-left: 4px solid #ffffff;
  border-bottom: 4px solid #ffffff;
  transform: rotate(-45deg);
}

.mini-pill {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  min-height: 30px;
  padding: 0 12px;
  border-radius: 999px;
  color: #f7dcff;
  font-size: 0.76rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  background: rgba(181, 76, 255, 0.16);
  border: 1px solid rgba(201, 166, 255, 0.22);
}

.case-stage {
  display: grid;
  gap: 14px;
}

.case-switcher {
  display: grid;
  gap: 12px;
}

.case-switch {
  display: grid;
  gap: 8px;
  padding: 18px;
  border-radius: 22px;
  text-align: left;
  cursor: pointer;
  transition:
    transform 160ms ease,
    border-color 160ms ease,
    background 160ms ease;
}

.case-switch span {
  color: var(--muted);
}

.case-switch:hover,
.case-switch:focus-visible,
.case-switch.is-active {
  transform: translateY(-2px);
  border-color: var(--line-strong);
  background: rgba(181, 76, 255, 0.1);
}

.case-panel {
  display: grid;
  gap: 16px;
  padding: 20px;
  border-radius: 26px;
}

.case-intro {
  display: grid;
  gap: 8px;
}

.case-intro h3,
.contact-summary strong {
  margin: 0;
}

.estimate-card {
  display: grid;
  gap: 4px;
  padding: 16px;
  border-radius: 18px;
  border: 1px solid rgba(201, 166, 255, 0.18);
  background: rgba(255, 255, 255, 0.05);
}

.case-compare {
  display: grid;
  gap: 14px;
}

.state-card {
  display: grid;
  gap: 14px;
  padding: 16px;
  border-radius: 22px;
}

.state-label {
  font-size: 1rem;
}

.status-scene {
  min-height: 170px;
  position: relative;
  overflow: hidden;
  border-radius: 18px;
  border: 1px solid var(--line);
}

.status-scene.bad {
  background:
    radial-gradient(circle at 20% 20%, rgba(217, 70, 239, 0.12), transparent 24%),
    linear-gradient(180deg, rgba(18, 12, 35, 0.92), rgba(8, 6, 18, 0.96));
}

.status-scene.good {
  background:
    radial-gradient(circle at 80% 18%, rgba(95, 208, 255, 0.18), transparent 26%),
    linear-gradient(180deg, rgba(18, 12, 35, 0.86), rgba(10, 12, 28, 0.88));
}

.status-scene.document .sheet,
.status-scene.audio .note-lines span,
.status-scene.cost .cost-bars span,
.status-scene.cost .cost-dots span {
  position: absolute;
}

.status-scene.document .sheet {
  width: 68px;
  height: 88px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.08);
}

.status-scene.document.bad .one {
  top: 18px;
  left: 18px;
  transform: rotate(-12deg);
}

.status-scene.document.bad .two {
  top: 40px;
  left: 76px;
  transform: rotate(10deg);
}

.status-scene.document.bad .three {
  top: 70px;
  left: 36px;
  transform: rotate(-18deg);
}

.status-scene.document.bad .four {
  top: 24px;
  right: 26px;
  transform: rotate(16deg);
}

.status-scene.document.good .sheet {
  background: linear-gradient(180deg, rgba(95, 208, 255, 0.12), rgba(181, 76, 255, 0.08));
}

.status-scene.document.good .one {
  top: 20px;
  left: 24px;
}

.status-scene.document.good .two {
  top: 20px;
  left: 100px;
}

.status-scene.document.good .three {
  top: 20px;
  right: 24px;
}

.status-scene.document.good .four {
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
}

.wave-bars,
.note-lines,
.cost-bars,
.cost-dots {
  position: absolute;
}

.wave-bars {
  left: 18px;
  right: 18px;
  bottom: 28px;
  display: flex;
  align-items: end;
  justify-content: space-between;
  height: 72px;
}

.wave-bars span {
  width: 10px;
  border-radius: 999px;
  background: linear-gradient(180deg, #d946ef, #8b5cf6);
}

.status-scene.audio.bad .wave-bars span:nth-child(1) {
  height: 18px;
}

.status-scene.audio.bad .wave-bars span:nth-child(2) {
  height: 56px;
}

.status-scene.audio.bad .wave-bars span:nth-child(3) {
  height: 24px;
}

.status-scene.audio.bad .wave-bars span:nth-child(4) {
  height: 68px;
}

.status-scene.audio.bad .wave-bars span:nth-child(5) {
  height: 16px;
}

.status-scene.audio.bad .wave-bars span:nth-child(6) {
  height: 42px;
}

.status-scene.audio.bad .wave-bars span:nth-child(7) {
  height: 28px;
}

.status-scene.audio.good .wave-bars span:nth-child(1) {
  height: 24px;
}

.status-scene.audio.good .wave-bars span:nth-child(2) {
  height: 34px;
}

.status-scene.audio.good .wave-bars span:nth-child(3) {
  height: 44px;
}

.status-scene.audio.good .wave-bars span:nth-child(4) {
  height: 60px;
}

.status-scene.audio.good .wave-bars span:nth-child(5) {
  height: 44px;
}

.status-scene.audio.good .wave-bars span:nth-child(6) {
  height: 34px;
}

.status-scene.audio.good .wave-bars span:nth-child(7) {
  height: 24px;
}

.note-lines {
  top: 24px;
  left: 18px;
  right: 18px;
  height: 40px;
}

.note-lines span {
  left: 0;
  right: 0;
  height: 7px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
}

.note-lines span:nth-child(1) {
  top: 0;
}

.note-lines span:nth-child(2) {
  top: 16px;
}

.note-lines span:nth-child(3) {
  top: 32px;
  width: 70%;
}

.status-scene.audio.good .note-lines span {
  background: linear-gradient(90deg, rgba(95, 208, 255, 0.8), rgba(181, 76, 255, 0.48));
}

.cost-bars {
  left: 24px;
  right: 24px;
  bottom: 26px;
  display: flex;
  align-items: end;
  justify-content: space-between;
  height: 90px;
}

.cost-bars span {
  width: 28px;
  border-radius: 12px 12px 0 0;
  background: rgba(255, 255, 255, 0.08);
}

.status-scene.cost.bad .cost-bars span:nth-child(1) {
  height: 28px;
}

.status-scene.cost.bad .cost-bars span:nth-child(2) {
  height: 76px;
}

.status-scene.cost.bad .cost-bars span:nth-child(3) {
  height: 18px;
}

.status-scene.cost.bad .cost-bars span:nth-child(4) {
  height: 62px;
}

.status-scene.cost.good .cost-bars span {
  background: linear-gradient(180deg, rgba(95, 208, 255, 0.95), rgba(139, 92, 246, 0.75));
}

.status-scene.cost.good .cost-bars span:nth-child(1) {
  height: 26px;
}

.status-scene.cost.good .cost-bars span:nth-child(2) {
  height: 42px;
}

.status-scene.cost.good .cost-bars span:nth-child(3) {
  height: 58px;
}

.status-scene.cost.good .cost-bars span:nth-child(4) {
  height: 74px;
}

.cost-dots {
  top: 22px;
  left: 22px;
  right: 22px;
  display: flex;
  gap: 10px;
}

.cost-dots span {
  width: 14px;
  height: 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
}

.status-scene.cost.good .cost-dots span:nth-child(2) {
  background: #d946ef;
}

.proof-card {
  display: grid;
  gap: 10px;
  padding: 14px;
  border-radius: 22px;
}

.proof-card img {
  width: 100%;
  display: block;
  border-radius: 18px;
  border: 1px solid var(--line);
}

.contact-grid {
  display: grid;
  gap: 16px;
}

.contact-summary,
.qr-card {
  padding: 20px;
  border-radius: 24px;
}

.contact-summary {
  display: grid;
  gap: 16px;
}

.contact-benefits {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.contact-benefits span {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 12px;
  border-radius: 999px;
  border: 1px solid rgba(201, 166, 255, 0.2);
  background: rgba(255, 255, 255, 0.05);
}

@media (max-width: 879px) {
  .benefit-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.contact-signal {
  width: 100%;
  max-width: 220px;
  height: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.contact-signal span {
  flex: 1 1 0;
  height: 10px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(217, 70, 239, 0.85), rgba(95, 208, 255, 0.95));
}

.contact-cards {
  display: grid;
  gap: 12px;
}

.contact-card {
  display: grid;
  gap: 6px;
  padding: 18px;
  border-radius: 22px;
  text-decoration: none;
}

.contact-card.is-primary {
  background: linear-gradient(135deg, rgba(181, 76, 255, 0.18), rgba(110, 92, 255, 0.1));
}

.qr-card {
  display: grid;
  place-items: center;
  gap: 12px;
  text-align: center;
}

.qr-grid {
  width: 184px;
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 6px;
}

.qr-grid span {
  aspect-ratio: 1;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.08);
}

.qr-grid span.filled {
  background: linear-gradient(135deg, #d946ef, #8b5cf6, #5fd0ff);
}

@keyframes pulse-track {
  0% {
    background-position: 0 0, 0 0;
  }
  100% {
    background-position: 0 0, 200% 0;
  }
}

@media (min-width: 880px) {
  .page-shell {
    padding: 18px;
  }

  .topbar {
    position: sticky;
    top: 14px;
    z-index: 20;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    border-radius: 999px;
    margin-bottom: 18px;
  }

  .topbar nav {
    display: flex;
    flex-wrap: wrap;
  }

  .nav-long {
    display: inline;
  }

  .nav-short {
    display: none;
  }

  .slide {
    min-height: calc(100svh - 38px);
    padding: 34px;
  }

  .who-grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(360px, 1.1fr);
    align-items: center;
  }

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

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

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

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

  .contact-grid {
    grid-template-columns: minmax(0, 1fr) minmax(280px, 0.9fr);
    align-items: start;
  }

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