* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: #050505;
  color: #ffffff;
  font-family:
    ui-monospace,
    SFMono-Regular,
    Menlo,
    Monaco,
    Consolas,
    "Liberation Mono",
    "Courier New",
    monospace;
}

main {
  width: min(1180px, 100%);
  margin: 0 auto;
  padding: 40px 24px;
}

.hero {
  min-height: 92vh;
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 56px;
  align-items: center;
}

.brand {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: 40px;
}

.brand-logo-image {
  width: 72px;
  height: 72px;
  border-radius: 16px;
}

.brand-name {
  font-size: 42px;
  font-weight: 800;
  letter-spacing: -0.05em;
}

.brand-name span {
  color: #a3ff12;
}

.brand-subtitle {
  color: #a8a8a8;
  margin-top: 4px;
}

.hero-lead {
  max-width: 680px;
  margin: 0 0 40px;
  font-size: clamp(34px, 6vw, 72px);
  line-height: 0.98;
  letter-spacing: -0.07em;
  font-weight: 800;
}

.steps {
  display: grid;
  gap: 14px;
  max-width: 660px;
  margin-bottom: 36px;
}

.step {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 14px;
  align-items: start;
  padding: 16px;
  background: #111111;
  border: 1px solid #2a2a2a;
  border-radius: 16px;
  color: #d0d0d0;
  line-height: 1.5;
}

.step span {
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  background: #ffffff;
  color: #000000;
  border-radius: 999px;
  font-weight: 800;
}

.scanner-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 15px 22px;
  background: #ffffff;
  color: #000000;
  border: 0;
  border-radius: 999px;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

.scanner-btn:hover {
  background: #a3ff12;
}

.hero-right {
  display: flex;
  justify-content: center;
}

.qr-card {
  width: 100%;
  max-width: 380px;
  padding: 28px;
  background: #ffffff;
  color: #000000;
  border-radius: 28px;
  text-align: center;
}

.qr-card p {
  margin: 0 0 18px;
  color: #333333;
  line-height: 1.5;
}

.qr-card p:last-child {
  margin: 18px 0 0;
}

.hero-qr {
  width: 100%;
  max-width: 280px;
}

.scanner-overlay,
.qrx-experience-overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(0, 0, 0, 0.86);
}

.scanner-modal,
.qrx-experience-modal {
  width: min(720px, 100%);
  background: #080808;
  border: 1px solid #333333;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 24px 120px rgba(0, 0, 0, 0.7);
}

.qrx-experience-modal {
  width: min(1000px, 100%);
  height: min(760px, 90vh);
}

.scanner-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 18px 20px;
  background: #111111;
  border-bottom: 1px solid #333333;
}

.scanner-title {
  font-weight: 800;
}

.scanner-version {
  color: #a3ff12;
  font-size: 13px;
  margin-left: 8px;
}

.close-btn {
  width: 40px;
  height: 40px;
  border: 0;
  border-radius: 999px;
  background: #222222;
  color: #ffffff;
  font-size: 26px;
  cursor: pointer;
}

.close-btn:hover {
  background: #ffffff;
  color: #000000;
}

#reader {
  padding: 20px;
}

.scanner-result {
  padding: 18px 20px;
  color: #d0d0d0;
  border-top: 1px solid #333333;
}

.qrx-experience-frame {
  display: block;
  width: 100%;
  height: calc(100% - 77px);
  border: 0;
  background: #ffffff;
}

.hidden {
  display: none !important;
}

/*
  Flow Generator & Validator
*/

.flow-tool {
  margin: 0 auto 80px;
  padding: 34px;
  border: 1px solid #2f2f2f;
  border-radius: 28px;
  background:
    radial-gradient(circle at top left, rgba(163, 255, 18, 0.12), transparent 34%),
    #0b0b0b;
}

.flow-tool-header {
  margin-bottom: 28px;
}

.flow-kicker {
  color: #a3ff12;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 13px;
  margin-bottom: 10px;
}

.flow-tool h2 {
  margin: 0 0 14px;
  font-size: clamp(30px, 5vw, 52px);
  line-height: 1;
  letter-spacing: -0.06em;
}

.flow-tool h3 {
  margin: 0 0 18px;
  font-size: 22px;
}

.flow-tool-lead {
  max-width: 760px;
  color: #c8c8c8;
  line-height: 1.6;
  margin: 0 0 18px;
}

.flow-philosophy {
  display: inline-block;
  padding: 12px 14px;
  background: #151515;
  color: #a3ff12;
  border: 1px solid #2d2d2d;
  border-radius: 12px;
}

.flow-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 26px 0;
}

.flow-tab {
  padding: 12px 18px;
  border: 1px solid #444444;
  background: #111111;
  color: #ffffff;
  font: inherit;
  cursor: pointer;
  border-radius: 999px;
}

.flow-tab.active,
.flow-tab:hover {
  background: #ffffff;
  color: #000000;
}

.flow-panel {
  display: none;
}

.flow-panel.active {
  display: block;
}

.flow-checks {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-bottom: 24px;
}

.flow-check {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 58px;
  padding: 16px;
  background: #111111;
  border: 1px solid #2d2d2d;
  border-radius: 16px;
  cursor: pointer;
}

.flow-check:hover {
  border-color: #a3ff12;
}

.flow-check input {
  accent-color: #a3ff12;
}

.flow-fields {
  display: grid;
  gap: 16px;
  margin-bottom: 22px;
}

.flow-field {
  display: block;
}

.flow-field span {
  display: block;
  margin-bottom: 8px;
  color: #bdbdbd;
  font-size: 14px;
}

.flow-field input,
.flow-url-row input {
  width: 100%;
  padding: 15px 16px;
  background: #050505;
  color: #ffffff;
  border: 1px solid #444444;
  border-radius: 14px;
  font: inherit;
}

.flow-field input:focus,
.flow-url-row input:focus {
  outline: none;
  border-color: #a3ff12;
}

.flow-url-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  margin-bottom: 22px;
}

.flow-helper {
  color: #bdbdbd;
  line-height: 1.6;
}

.flow-code-box {
  margin-top: 24px;
  overflow: hidden;
  border: 1px solid #333333;
  border-radius: 18px;
  background: #050505;
}

.flow-code-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: #111111;
  border-bottom: 1px solid #333333;
}

.small-copy-btn {
  padding: 8px 12px;
  background: #222222;
  color: #ffffff;
  border: 1px solid #444444;
  border-radius: 999px;
  font: inherit;
  cursor: pointer;
}

.small-copy-btn:hover {
  background: #ffffff;
  color: #000000;
}

.flow-code {
  margin: 0;
  padding: 18px;
  overflow-x: auto;
  color: #f2f2f2;
  white-space: pre-wrap;
  line-height: 1.55;
}

.flow-result {
  margin-top: 20px;
}

.flow-status,
.flow-error,
.flow-summary {
  padding: 16px;
  background: #111111;
  border: 1px solid #333333;
  border-radius: 16px;
  line-height: 1.5;
}

.flow-error {
  color: #ff7b7b;
}

.flow-summary {
  display: grid;
  gap: 6px;
  margin-bottom: 18px;
}

.flow-summary span {
  color: #bdbdbd;
  word-break: break-all;
}

.flow-group {
  margin-bottom: 20px;
}

.flow-group h4 {
  margin: 0 0 10px;
  color: #a3ff12;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

.flow-result-item {
  padding: 16px;
  border: 1px solid #333333;
  border-radius: 16px;
  margin-bottom: 12px;
  background: #111111;
}

.flow-result-item div {
  margin-top: 8px;
  color: #ffffff;
  word-break: break-all;
}

.flow-result-item small {
  display: block;
  color: #999999;
  margin-top: 10px;
  word-break: break-all;
}

.flow-raw {
  margin-top: 24px;
  padding: 16px;
  border: 1px solid #333333;
  border-radius: 16px;
  background: #090909;
}

.flow-raw summary {
  cursor: pointer;
  color: #a3ff12;
  font-weight: 800;
}

.flow-raw pre {
  overflow-x: auto;
  white-space: pre-wrap;
  line-height: 1.5;
  color: #d0d0d0;
}

.qrx-demo-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
}

.qrx-demo {
  width: min(760px, 100%);
  padding: 24px;
}

.qrx-demo-card {
  padding: 34px;
  background: #ffffff;
  color: #000000;
  border-radius: 28px;
}

.qrx-demo-card .brand-name {
  margin-bottom: 22px;
}

.qrx-demo-card p {
  line-height: 1.6;
}

@media (max-width: 900px) {
  .hero {
    min-height: auto;
    grid-template-columns: 1fr;
    padding-top: 40px;
  }

  .hero-right {
    justify-content: flex-start;
  }

  .flow-checks {
    grid-template-columns: 1fr;
  }

  .flow-url-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  main {
    padding: 24px 16px;
  }

  .brand {
    align-items: flex-start;
  }

  .brand-logo-image {
    width: 56px;
    height: 56px;
  }

  .brand-name {
    font-size: 34px;
  }

  .hero-lead {
    font-size: 40px;
  }

  .flow-tool {
    padding: 22px;
    border-radius: 22px;
  }

  .flow-code-header {
    align-items: flex-start;
    flex-direction: column;
  }
}