:root {
  color-scheme: light;
  --bg: #f5f8ff;
  --surface: #ffffff;
  --surface-soft: #f8fbff;
  --line: rgba(83, 110, 194, 0.16);
  --line-strong: rgba(83, 110, 194, 0.28);
  --text: #111a3b;
  --muted: #5f6989;
  --accent: #5580f8;
  --accent-deep: #3f63d0;
  --accent-soft: rgba(85, 128, 248, 0.1);
  --warm: #f29b22;
  --warm-deep: #da7f02;
  --pass: #226953;
  --pass-soft: rgba(34, 105, 83, 0.08);
  --fail: #9d3553;
  --fail-soft: rgba(157, 53, 83, 0.08);
  --review: #8b5e19;
  --review-soft: rgba(139, 94, 25, 0.08);
  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 28px;
  --shadow-sm: 0 12px 32px rgba(17, 26, 59, 0.07);
  --shadow-lg: 0 26px 60px rgba(17, 26, 59, 0.1);
  --container: 1180px;
  --ease: 180ms ease;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, rgba(85, 128, 248, 0.12), transparent 24rem),
    linear-gradient(180deg, #eef5ff 0, #f7fbff 18rem, #ffffff 18rem);
  color: var(--text);
  font-family: "Source Sans 3", sans-serif;
  line-height: 1.5;
}

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

button,
input,
a {
  font: inherit;
}

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

button {
  color: inherit;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
  z-index: 30;
  padding: 0.65rem 0.9rem;
  border-radius: var(--radius-sm);
  background: var(--text);
  color: #fff;
  transition: none;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
  width: auto;
  height: auto;
  overflow: visible;
}

.site-shell {
  position: relative;
  width: 100%;
  overflow-x: clip;
}

.site-header {
  padding: 1.4rem 0 0;
}

.site-header__inner,
.demo-stage {
  width: min(calc(100% - 2rem), var(--container));
  margin: 0 auto;
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brandmark {
  display: inline-flex;
  align-items: center;
  padding: 0.55rem 0.9rem;
  border-radius: 999px;
  background: linear-gradient(135deg, #5c93f7 0, #4a83ec 100%);
  box-shadow: 0 12px 24px rgba(85, 128, 248, 0.18);
}

.brandmark img {
  width: clamp(11.5rem, 16vw, 14.5rem);
  height: auto;
}

.header-caption {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 600;
}

.page {
  padding: 1.35rem 0 3rem;
}

.demo-stage {
  display: grid;
  grid-template-columns: minmax(320px, 380px) minmax(0, 1fr);
  grid-template-areas:
    "copy viewer"
    "checks checks";
  gap: 1.5rem;
  align-items: start;
}

.demo-stage__copy,
.demo-stage__viewer {
  display: grid;
  gap: 1rem;
}

.demo-stage__copy {
  grid-area: copy;
}

.demo-stage__viewer {
  grid-area: viewer;
  height: 100%;
  align-self: stretch;
  grid-template-rows: auto minmax(0, 1fr);
}

.title-block {
  display: grid;
  gap: 0.75rem;
  padding-top: 0.4rem;
}

.demo-kicker {
  margin: 0;
  color: var(--accent-deep);
  font-size: 0.92rem;
  font-weight: 700;
}

.title-block h1 {
  margin: 0;
  font-family: "Lexend", sans-serif;
  max-width: 6ch;
  font-size: clamp(2.9rem, 5.6vw, 4.7rem);
  font-weight: 600;
  line-height: 0.92;
  letter-spacing: -0.06em;
}

.demo-lead {
  margin: 0;
  max-width: 28rem;
  color: var(--muted);
  font-size: 1.16rem;
}

.demo-value {
  margin: 0;
  max-width: 28rem;
  color: var(--text);
  font-size: 1rem;
  font-weight: 600;
}

.upload-card,
.checks-card,
.case-strip,
.viewer-stage {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

.upload-card,
.checks-card,
.case-strip {
  padding: 1.1rem;
}

.upload-form {
  display: grid;
  gap: 1rem;
}

.upload-dropzone {
  position: relative;
  min-height: 11.5rem;
  display: grid;
  align-content: center;
  justify-items: start;
  gap: 0.4rem;
  padding: 1.3rem;
  border: 2px dashed rgba(85, 128, 248, 0.54);
  border-radius: 24px;
  background:
    linear-gradient(180deg, rgba(85, 128, 248, 0.08), rgba(85, 128, 248, 0.03)),
    var(--surface-soft);
  cursor: pointer;
  transition:
    border-color var(--ease),
    background-color var(--ease),
    transform var(--ease),
    box-shadow var(--ease);
}

.upload-dropzone:hover,
.upload-dropzone:focus-within {
  border-color: rgba(85, 128, 248, 0.9);
  background:
    linear-gradient(180deg, rgba(85, 128, 248, 0.12), rgba(85, 128, 248, 0.05)),
    #ffffff;
  transform: translateY(-1px);
  box-shadow: 0 18px 36px rgba(85, 128, 248, 0.12);
}

.upload-dropzone input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

.upload-dropzone__icon {
  width: 3rem;
  height: 3rem;
  display: inline-grid;
  place-items: center;
  border-radius: 999px;
  background: rgba(85, 128, 248, 0.14);
  color: var(--accent-deep);
}

.upload-dropzone__icon svg {
  width: 1.35rem;
  height: 1.35rem;
}

.upload-dropzone__eyebrow {
  color: var(--accent-deep);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.upload-dropzone strong {
  font-family: "Lexend", sans-serif;
  font-size: 1.5rem;
  font-weight: 500;
  line-height: 1.1;
}

.upload-dropzone__hint {
  color: var(--muted);
  font-size: 1rem;
}

.upload-controls {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.8rem;
}

.guest-field {
  display: grid;
  gap: 0.35rem;
}

.guest-field span {
  font-size: 1rem;
  font-weight: 600;
}

.guest-field small {
  color: var(--muted);
  font-size: 0.92rem;
}

.guest-field input {
  min-height: 4rem;
  width: 100%;
  padding: 0 1rem;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface-soft);
  color: var(--text);
  transition:
    border-color var(--ease),
    box-shadow var(--ease),
    background-color var(--ease);
}

.guest-field input:focus-visible {
  outline: none;
  border-color: var(--accent);
  background: #ffffff;
  box-shadow: 0 0 0 3px rgba(85, 128, 248, 0.12);
}

.primary-button {
  min-height: 4rem;
  width: 100%;
  border: 0;
  border-radius: 999px;
  padding: 0.85rem 1.25rem;
  background: linear-gradient(180deg, #ffb537 0, var(--warm) 100%);
  color: #ffffff;
  font-family: "Lexend", sans-serif;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 16px 28px rgba(242, 155, 34, 0.2);
  transition:
    transform var(--ease),
    box-shadow var(--ease),
    background-color var(--ease),
    opacity var(--ease);
}

.primary-button:hover,
.primary-button:focus-visible {
  transform: translateY(-1px);
  box-shadow: 0 18px 32px rgba(242, 155, 34, 0.26);
  background: linear-gradient(180deg, #ffae21 0, var(--warm-deep) 100%);
}

.upload-status {
  margin: 0.9rem 0 0;
  color: var(--muted);
  font-size: 0.98rem;
}

.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.section-head h2 {
  margin: 0;
  font-family: "Lexend", sans-serif;
  font-size: 1.22rem;
  font-weight: 600;
  letter-spacing: -0.04em;
}

.checks-list {
  margin: 0.9rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0;
}

.checks-card--wide {
  grid-area: checks;
  padding: 1.2rem 1.3rem;
}

.checks-card--wide .checks-list {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0 1rem;
}

.checks-card--wide .checks-list li {
  border-top: 0;
  padding: 0.35rem 0 0;
}

.checks-list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.8rem;
  align-items: start;
  padding: 0.9rem 0;
  border-top: 1px solid var(--line);
}

.checks-list li:first-child {
  padding-top: 0;
  border-top: 0;
}

.checks-list__step {
  width: 2rem;
  height: 2rem;
  display: inline-grid;
  place-items: center;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-deep);
  font-size: 0.8rem;
  font-weight: 700;
}

.checks-list__body {
  display: grid;
  gap: 0.22rem;
}

.checks-list strong {
  font-size: 1rem;
  font-weight: 600;
}

.checks-list span {
  color: var(--muted);
  font-size: 0.98rem;
}

.case-strip {
  display: grid;
  gap: 0.85rem;
}

.case-links {
  display: flex;
  gap: 0.75rem;
  overflow-x: auto;
  padding-bottom: 0.2rem;
  scrollbar-width: thin;
}

.case-links::-webkit-scrollbar {
  height: 7px;
}

.case-links::-webkit-scrollbar-thumb {
  background: rgba(17, 26, 59, 0.14);
  border-radius: 999px;
}

.case-link {
  min-width: 13.5rem;
  max-width: 16rem;
  display: grid;
  gap: 0.4rem;
  padding: 0.85rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface-soft);
  text-align: left;
  cursor: pointer;
  transition:
    border-color var(--ease),
    background-color var(--ease),
    transform var(--ease),
    box-shadow var(--ease);
}

.case-link:hover,
.case-link:focus-visible,
.case-link.active {
  border-color: rgba(85, 128, 248, 0.46);
  background: linear-gradient(180deg, rgba(85, 128, 248, 0.08), #ffffff);
  transform: translateY(-1px);
  box-shadow: 0 12px 28px rgba(17, 26, 59, 0.08);
}

.case-link.active {
  border-color: rgba(85, 128, 248, 0.9);
  box-shadow: 0 14px 30px rgba(85, 128, 248, 0.12);
}

.case-link-index {
  width: 2rem;
  height: 2rem;
  display: inline-grid;
  place-items: center;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-deep);
  font-size: 0.92rem;
  font-weight: 700;
}

.case-link.active .case-link-index {
  background: var(--accent);
  color: #ffffff;
}

.case-link.active .case-link-copy strong {
  color: var(--accent-deep);
}

.case-link-copy strong,
.case-link-copy span {
  display: block;
}

.case-link-copy strong {
  font-size: 1rem;
  font-weight: 600;
}

.case-link-copy span {
  margin-top: 0.14rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.viewer-stage {
  --tilt-x: 0deg;
  --tilt-y: 0deg;
  --glow-x: 50%;
  --glow-y: 50%;
  height: 100%;
  display: grid;
  grid-template-columns: minmax(320px, 1fr) minmax(290px, 360px);
  gap: 1.2rem;
  align-items: stretch;
  padding: 1.15rem;
  background:
    radial-gradient(circle at var(--glow-x) var(--glow-y), rgba(85, 128, 248, 0.08), transparent 28%),
    var(--surface);
}

.receipt-scene {
  min-width: 0;
}

.receipt-stack {
  height: 100%;
  min-height: 34rem;
  display: grid;
  place-items: center;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 24px;
  background:
    linear-gradient(180deg, rgba(85, 128, 248, 0.06), rgba(85, 128, 248, 0.02)),
    var(--surface-soft);
  transform-style: preserve-3d;
  transform:
    perspective(1600px)
    rotateX(var(--tilt-x))
    rotateY(var(--tilt-y));
  transition: transform 220ms ease;
}

.receipt-stack img {
  width: 100%;
  max-height: 36rem;
  object-fit: contain;
  border-radius: 18px;
  background: #ffffff;
  box-shadow: 0 20px 40px rgba(17, 26, 59, 0.08);
}

.stage-copy {
  display: grid;
  align-content: start;
  gap: 1rem;
  min-width: 0;
  padding: 0.2rem 0.1rem 0.1rem;
}

.decision-line {
  display: flex;
  align-items: center;
}

.decision-pill {
  min-height: 2.35rem;
  display: inline-flex;
  align-items: center;
  padding: 0.4rem 0.8rem;
  border: 0;
  border-radius: 999px;
  font-size: 0.92rem;
  font-weight: 700;
}

.decision-pill.pass {
  color: var(--pass);
  background: var(--pass-soft);
}

.decision-pill.fail {
  color: var(--fail);
  background: var(--fail-soft);
}

.decision-pill.review {
  color: var(--review);
  background: var(--review-soft);
}

.stage-copy h2 {
  margin: 0;
  font-family: "Lexend", sans-serif;
  font-size: clamp(1.9rem, 3vw, 2.8rem);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.05em;
  overflow-wrap: anywhere;
}

.case-summary {
  margin: 0;
  color: var(--muted);
  font-size: 1.02rem;
}

.result-group {
  display: grid;
  gap: 0.2rem;
}

.result-group__head {
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.fact-strip {
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.55rem 1rem;
}

.fact-strip div {
  padding-top: 0.8rem;
  border-top: 1px solid var(--line);
}

.fact-strip dt {
  color: var(--muted);
  font-size: 0.88rem;
}

.fact-strip dd {
  margin: 0.12rem 0 0;
  font-size: 1rem;
  font-weight: 600;
  overflow-wrap: anywhere;
}

.reason-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.6rem;
}

.reason-list li {
  position: relative;
  padding-left: 1rem;
  color: var(--text);
}

.reason-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62rem;
  width: 0.38rem;
  height: 0.38rem;
  border-radius: 999px;
  background: var(--accent);
}

.cta-band {
  width: min(calc(100% - 2rem), var(--container));
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
  gap: 1.2rem;
  align-items: center;
  padding: 1.3rem 1.4rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(85, 128, 248, 0.06), #ffffff 58%);
  box-shadow: var(--shadow-sm);
}

.cta-band__copy {
  display: grid;
  gap: 0.45rem;
}

.cta-band__eyebrow {
  margin: 0;
  color: var(--accent-deep);
  font-size: 0.88rem;
  font-weight: 700;
}

.cta-band h2 {
  margin: 0;
  font-family: "Lexend", sans-serif;
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  font-weight: 600;
  letter-spacing: -0.05em;
  line-height: 1.02;
}

.cta-band p {
  margin: 0;
  max-width: 38rem;
  color: var(--muted);
  font-size: 1rem;
}

.cta-band__actions {
  display: grid;
  gap: 0.9rem;
}

.cta-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.cta-tags span {
  padding: 0.55rem 0.8rem;
  border-radius: 999px;
  background: var(--surface-soft);
  border: 1px solid var(--line);
  color: var(--text);
  font-size: 0.92rem;
  font-weight: 600;
}

.cta-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.primary-button--link {
  justify-content: center;
  display: inline-flex;
  align-items: center;
  width: auto;
  min-width: 16rem;
}

.secondary-button {
  min-height: 4rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.25rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: #ffffff;
  color: var(--text);
  font-family: "Lexend", sans-serif;
  font-size: 1rem;
  font-weight: 600;
  transition:
    transform var(--ease),
    border-color var(--ease),
    box-shadow var(--ease),
    background-color var(--ease);
}

.secondary-button:hover,
.secondary-button:focus-visible {
  transform: translateY(-1px);
  border-color: rgba(85, 128, 248, 0.54);
  box-shadow: 0 12px 24px rgba(17, 26, 59, 0.08);
  background: var(--surface-soft);
}

.site-footer {
  padding: 1.2rem 0 2.4rem;
}

.site-footer__inner {
  width: min(calc(100% - 2rem), var(--container));
  margin: 0 auto;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

.footer-meta,
.footer-links {
  display: grid;
  gap: 0.25rem;
}

.footer-meta strong {
  font-family: "Lexend", sans-serif;
  font-size: 1rem;
  font-weight: 600;
}

.footer-meta span,
.footer-links a {
  color: var(--muted);
  font-size: 0.95rem;
}

.footer-links {
  justify-items: end;
}

.footer-links a:hover,
.footer-links a:focus-visible {
  color: var(--accent-deep);
}

.upload-form.is-busy {
  opacity: 0.82;
}

.upload-form .primary-button:disabled {
  opacity: 0.8;
  cursor: wait;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
.case-link:focus-visible,
.upload-dropzone:focus-within {
  outline: none;
  box-shadow: 0 0 0 3px rgba(85, 128, 248, 0.14);
}

@media (max-width: 1080px) {
  .demo-stage {
    grid-template-columns: 1fr;
    grid-template-areas:
      "copy"
      "viewer"
      "checks";
  }

  .checks-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 1rem;
  }

  .checks-card--wide .checks-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .checks-card--wide .checks-list li {
    border-top: 1px solid var(--line);
    padding: 0.9rem 0;
  }

  .checks-card--wide .checks-list li:nth-child(-n + 2) {
    padding-top: 0;
    border-top: 0;
  }

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

  .cta-band {
    grid-template-columns: 1fr;
  }

  .receipt-stack {
    min-height: 26rem;
    transform:
      perspective(1600px)
      rotateX(0deg)
      rotateY(0deg);
  }
}

@media (max-width: 760px) {
  .site-header {
    padding-top: 1rem;
  }

  .site-header__inner,
  .demo-stage {
    width: min(calc(100% - 1rem), var(--container));
  }

  .site-header__inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .header-caption {
    font-size: 0.88rem;
  }

  .upload-card,
  .checks-card,
  .case-strip,
  .viewer-stage,
  .cta-band {
    padding: 1rem;
  }

  .fact-strip,
  .checks-list {
    grid-template-columns: 1fr;
  }

  .checks-card--wide .checks-list {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .checks-card--wide .checks-list li {
    border-top: 1px solid var(--line);
    padding: 0.9rem 0;
  }

  .checks-card--wide .checks-list li:first-child {
    padding-top: 0;
    border-top: 0;
  }

  .checks-card--wide {
    padding: 1rem;
  }

  .upload-dropzone {
    min-height: 10rem;
  }

  .upload-dropzone strong {
    font-size: 1.32rem;
  }

  .title-block h1 {
    font-size: clamp(2.35rem, 13vw, 3.7rem);
  }

  .demo-lead {
    font-size: 1.05rem;
  }

  .receipt-stack {
    min-height: 20rem;
    padding: 0.75rem;
  }

  .receipt-stack img {
    max-height: 28rem;
  }

  .cta-buttons {
    flex-direction: column;
  }

  .cta-tags {
    display: grid;
    grid-template-columns: 1fr;
  }

  .cta-tags span {
    width: 100%;
    justify-content: center;
    text-align: center;
  }

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

  .site-footer__inner {
    flex-direction: column;
  }

  .footer-links {
    justify-items: start;
  }
}

@media (max-width: 420px) {
  .title-block {
    gap: 0.65rem;
  }

  .demo-value {
    font-size: 0.95rem;
  }

  .upload-dropzone {
    min-height: 9.5rem;
    padding: 1.05rem;
  }

  .upload-dropzone strong {
    font-size: 1.18rem;
  }

  .case-link {
    min-width: 11.75rem;
  }

  .cta-band h2 {
    font-size: 1.95rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 1ms !important;
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
  }
}