:root {
  color-scheme: dark;
  --bg: #07111f;
  --panel: rgba(14, 28, 48, 0.78);
  --text: #f5f8ff;
  --muted: #9fb2ca;
  --cyan: #22d3ee;
  --green: #48e08b;
  --amber: #f7b84b;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 80% 20%, rgba(34, 211, 238, 0.28), transparent 35%),
    radial-gradient(circle at 20% 80%, rgba(72, 224, 139, 0.2), transparent 34%),
    linear-gradient(135deg, #06101d 0%, #0c1729 52%, #030712 100%);
}

.app-shell {
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto;
  padding: 52px 0;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 390px;
  align-items: center;
  gap: 52px;
  min-height: calc(100vh - 104px);
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--cyan);
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

h1 {
  max-width: 680px;
  margin: 0;
  font-size: clamp(48px, 8vw, 104px);
  line-height: 0.92;
  letter-spacing: -0.07em;
}

.hero-copy > p:not(.eyebrow) {
  max-width: 620px;
  color: var(--muted);
  font-size: 20px;
  line-height: 1.7;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

button {
  border: 0;
  border-radius: 999px;
  cursor: pointer;
  font: inherit;
  font-weight: 800;
  padding: 15px 22px;
}

.primary {
  background: linear-gradient(135deg, var(--cyan), #2563eb);
  color: #06101d;
}

.secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
  border: 1px solid rgba(255, 255, 255, 0.14);
}

.phone {
  position: relative;
  width: min(390px, 100%);
  min-height: 760px;
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 52px;
  background: linear-gradient(155deg, rgba(255, 255, 255, 0.18), rgba(255, 255, 255, 0.03));
  box-shadow: 0 34px 90px rgba(0, 0, 0, 0.5);
}

.phone-top {
  position: absolute;
  top: 20px;
  left: 50%;
  z-index: 4;
  width: 120px;
  height: 28px;
  transform: translateX(-50%);
  border-radius: 999px;
  background: #020617;
}

.screen {
  display: none;
  min-height: 724px;
  padding: 34px 22px 22px;
  border-radius: 40px;
  background: linear-gradient(180deg, #071627, #07111f);
  overflow: hidden;
}

.screen.active {
  display: block;
  animation: rise 0.45s ease both;
}

.status {
  display: flex;
  justify-content: space-between;
  color: var(--muted);
  font-size: 13px;
}

.screen h2 {
  margin: 28px 0 20px;
  font-size: 30px;
}

.camera-frame {
  display: grid;
  place-items: center;
  min-height: 340px;
  border: 2px solid rgba(34, 211, 238, 0.45);
  border-radius: 30px;
  background: linear-gradient(135deg, rgba(34, 211, 238, 0.12), rgba(255, 255, 255, 0.04));
}

.receipt {
  display: grid;
  gap: 10px;
  width: 210px;
  padding: 26px 18px;
  color: #111827;
  border-radius: 8px;
  background: #f8fafc;
  transform: rotate(-3deg);
  box-shadow: 0 16px 35px rgba(0, 0, 0, 0.35);
}

.scan-button {
  display: block;
  width: 86px;
  height: 86px;
  margin: 24px auto;
  padding: 0;
  border: 8px solid rgba(34, 211, 238, 0.25);
  background: var(--cyan);
  text-indent: -999px;
}

.mini-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.mini-grid span,
.alert-card,
.product-card,
.timeline li {
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.06);
}

.mini-grid span {
  padding: 14px 8px;
  color: var(--muted);
  font-size: 12px;
  text-align: center;
}

.product-card {
  display: grid;
  gap: 8px;
  padding: 20px;
}

.product-card span {
  color: var(--green);
}

.timeline {
  display: grid;
  gap: 13px;
  margin: 20px 0;
  padding: 0;
  list-style: none;
}

.timeline li {
  display: grid;
  gap: 6px;
  padding: 18px;
}

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

.alert-card {
  padding: 20px;
  color: var(--amber);
}

.proof {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.proof article {
  padding: 26px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 26px;
  background: var(--panel);
}

.proof strong {
  font-size: 22px;
}

.proof p {
  color: var(--muted);
  line-height: 1.7;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 860px) {
  .hero,
  .proof {
    grid-template-columns: 1fr;
  }

  .phone {
    margin: 0 auto;
  }
}