:root {
  --topbar-height: 86px;
  --ink: #050505;
  --muted: #67625d;
  --paper: #fff8f1;
  --paper-deep: #f7ecdf;
  --card: #ffffff;
  --line: #171717;
  --blue: #1530ff;
  --blue-soft: #e8ebff;
  --orange: #f0642f;
  --green: #15803d;
  --shadow: 0 24px 70px rgba(5, 5, 5, 0.12);
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--topbar-height) + 24px);
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  letter-spacing: 0;
}

body::before {
  content: "";
  position: fixed;
  inset: 0 auto 0 72px;
  width: 1px;
  background: var(--line);
  opacity: 0.86;
  pointer-events: none;
  z-index: 4;
}

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

button,
label {
  font: inherit;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 5;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  min-height: var(--topbar-height);
  padding: 0 42px;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 248, 241, 0.92);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  width: fit-content;
  font-size: 24px;
  font-weight: 820;
}

.brand-mark,
.orbit-core,
.empty-mark {
  display: inline-block;
  width: 42px;
  height: 42px;
  background: var(--ink);
  clip-path: polygon(50% 0, 66% 34%, 100% 50%, 66% 66%, 50% 100%, 34% 66%, 0 50%, 34% 34%);
  transform: rotate(-22deg);
}

.nav-links {
  display: flex;
  gap: 36px;
  align-items: center;
  font-weight: 700;
}

.nav-links a {
  position: relative;
  line-height: 1;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -9px;
  height: 2px;
  background: var(--ink);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms ease;
}

.nav-links a:hover::after {
  transform: scaleX(1);
}

.nav-action {
  justify-self: end;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 20px;
  color: #fff;
  background: var(--blue);
  border-radius: 4px;
  font-weight: 820;
  box-shadow: 0 10px 24px rgba(21, 48, 255, 0.2);
}

.plus {
  display: inline-grid;
  place-items: center;
  width: 18px;
  height: 18px;
  border-radius: 3px;
  color: inherit;
  background: rgba(255, 255, 255, 0.22);
  font-weight: 900;
  line-height: 1;
}

main {
  overflow: hidden;
}

.hero-shell {
  position: relative;
  isolation: isolate;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 520px);
  align-items: center;
  gap: 56px;
  min-height: calc(100svh - var(--topbar-height));
  padding: 84px 96px 86px 148px;
  scroll-margin-top: calc(var(--topbar-height) + 24px);
}

.hero-copy {
  position: relative;
  z-index: 2;
  max-width: 780px;
}

.eyebrow,
.panel-kicker {
  margin: 0 0 14px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3,
h4,
p {
  margin-top: 0;
}

h1 {
  max-width: 720px;
  margin-bottom: 26px;
  font-size: clamp(56px, 6.25vw, 108px);
  line-height: 0.95;
  letter-spacing: 0;
}

h1::first-line,
.section-title h2 em,
.limits-copy h2 em {
  font-family: Georgia, "Times New Roman", serif;
  font-style: italic;
  font-weight: 500;
}

.intro {
  max-width: 520px;
  margin-left: 118px;
  color: #1f1e1c;
  font-size: 20px;
  line-height: 1.45;
  font-weight: 700;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 28px 0 0 118px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 54px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: 4px;
  cursor: pointer;
  font-weight: 860;
  transition:
    transform 160ms ease,
    box-shadow 160ms ease,
    background 160ms ease;
}

.button:hover:not(:disabled) {
  transform: translateY(-2px);
}

.button:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}

.button.primary,
.button.submit {
  color: #fff;
  background: var(--blue);
  box-shadow: 0 14px 32px rgba(21, 48, 255, 0.22);
}

.button.dark {
  color: #fff;
  background: #000;
}

.button.ghost {
  min-height: 42px;
  color: var(--ink);
  background: transparent;
  border-color: var(--ink);
}

.analyzer-panel {
  position: relative;
  z-index: 2;
  align-self: center;
  padding: 26px;
  background: var(--card);
  border: 1px solid rgba(5, 5, 5, 0.1);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.panel-header,
.report-heading,
.section-title {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
}

.panel-header h2 {
  margin: 0;
  font-size: 34px;
  line-height: 1;
}

.status-pill,
.label-badge,
.confidence-badge {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 12px;
  border-radius: 999px;
  background: var(--blue-soft);
  color: var(--blue);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.upload-form {
  display: grid;
  gap: 16px;
  margin-top: 24px;
}

#file-input {
  width: 1px;
  height: 1px;
  position: absolute;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

.drop-zone {
  display: grid;
  place-items: center;
  min-height: 252px;
  padding: 28px;
  border: 1.5px dashed rgba(5, 5, 5, 0.36);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(21, 48, 255, 0.06), transparent 38%),
    var(--paper);
  cursor: pointer;
  text-align: center;
  transition:
    border-color 160ms ease,
    background 160ms ease,
    transform 160ms ease;
}

.drop-zone.is-dragover {
  border-color: var(--blue);
  background: var(--blue-soft);
  transform: translateY(-2px);
}

.drop-icon {
  width: 68px;
  height: 68px;
  margin-bottom: 16px;
  background: var(--ink);
  clip-path: polygon(50% 0, 66% 34%, 100% 50%, 66% 66%, 50% 100%, 34% 66%, 0 50%, 34% 34%);
  transform: rotate(-20deg);
}

.drop-title {
  display: block;
  font-size: 26px;
  font-weight: 900;
}

.drop-meta {
  display: block;
  max-width: 330px;
  margin-top: 8px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.4;
}

.file-card {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr) 42px;
  align-items: center;
  gap: 14px;
  padding: 12px;
  border: 1px solid rgba(5, 5, 5, 0.12);
  border-radius: 8px;
  background: #fff;
}

.file-preview {
  width: 62px;
  height: 62px;
  border-radius: 6px;
  background:
    radial-gradient(circle at 35% 34%, #fff 0 10%, transparent 11%),
    var(--blue);
  background-size: cover;
  background-position: center;
}

.file-details {
  min-width: 0;
}

.file-details strong,
.file-details span {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.file-details strong {
  font-size: 15px;
}

.file-details span {
  margin-top: 4px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.icon-button {
  width: 40px;
  height: 40px;
  border: 1px solid rgba(5, 5, 5, 0.12);
  border-radius: 6px;
  background: var(--paper);
  cursor: pointer;
  font-size: 24px;
  line-height: 1;
}

.submit {
  width: 100%;
}

.privacy-note {
  margin-top: 18px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}

.orbit-art {
  position: absolute;
  right: -210px;
  top: 50%;
  z-index: 1;
  width: min(620px, 42vw);
  height: min(520px, 36vw);
  opacity: 0.32;
  pointer-events: none;
  transform: translateY(-50%);
}

.orbit {
  position: absolute;
  inset: 10%;
  border: 2px solid rgba(5, 5, 5, 0.62);
  border-radius: 50%;
  transform: rotate(-32deg) skew(-15deg);
}

.orbit-two {
  inset: 18%;
}

.orbit-three {
  inset: 28%;
}

.orbit-core {
  position: absolute;
  top: 45%;
  left: 47%;
  background: var(--ink);
}

.orbit-dot {
  position: absolute;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--ink);
}

.dot-a {
  top: 30%;
  right: 20%;
}

.dot-b {
  right: 23%;
  bottom: 30%;
}

.dot-c {
  left: 44%;
  bottom: 13%;
}

.orbit-label {
  position: absolute;
  font-size: 22px;
  font-weight: 700;
}

.label-a {
  top: 30%;
  right: 8%;
}

.label-b {
  right: 7%;
  bottom: 28%;
}

.label-c {
  left: 46%;
  bottom: 7%;
}

.report-section,
.signals-section,
.limits-section {
  padding: 92px 72px 92px 148px;
  border-top: 1px solid var(--line);
}

.report-heading h2,
.section-title h2,
.limits-copy h2 {
  margin: 0;
  font-size: clamp(42px, 5vw, 76px);
  line-height: 0.95;
}

.report-card {
  margin-top: 32px;
  padding: 34px;
  border-radius: 8px;
  background: var(--card);
  box-shadow: var(--shadow);
}

.report-card.empty {
  min-height: 360px;
  display: grid;
  place-items: center;
  box-shadow: none;
  border: 1px solid rgba(5, 5, 5, 0.12);
  background: rgba(255, 255, 255, 0.55);
}

.empty-state {
  max-width: 480px;
  text-align: center;
}

.empty-state h3 {
  margin: 24px 0 10px;
  font-size: 30px;
}

.empty-state p {
  color: var(--muted);
  line-height: 1.5;
  font-weight: 700;
}

.score-layout {
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr);
  gap: 32px;
  align-items: center;
}

.score-ring {
  --score: 0deg;
  width: 190px;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background:
    radial-gradient(circle at center, #fff 0 58%, transparent 59%),
    conic-gradient(var(--blue) var(--score), #ece7e0 0);
}

.score-ring span {
  font-size: 58px;
  font-weight: 920;
  line-height: 0.9;
}

.score-ring small {
  margin-top: -48px;
  color: var(--muted);
  font-weight: 900;
  text-transform: uppercase;
}

.score-copy h3 {
  max-width: 900px;
  margin: 18px 0 0;
  font-size: clamp(28px, 4vw, 54px);
  line-height: 1.02;
}

.detector-signal {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 14px;
  align-items: center;
  margin-top: 28px;
  padding: 16px;
  border: 1px solid rgba(21, 48, 255, 0.2);
  border-radius: 8px;
  background: var(--blue-soft);
}

.detector-signal span,
.detector-signal small {
  color: var(--blue);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.detector-signal strong {
  min-width: 0;
  overflow-wrap: anywhere;
  font-size: 18px;
}

.detector-signal small {
  justify-self: end;
  color: #3340a4;
  text-align: right;
}

.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.label-badge.is-low {
  color: var(--green);
  background: #e8f6ed;
}

.label-badge.is-mid {
  color: #915400;
  background: #fff1cc;
}

.label-badge.is-high {
  color: #ad2f12;
  background: #ffe8df;
}

.report-columns {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 18px;
  margin-top: 34px;
}

.report-columns h4 {
  margin-bottom: 14px;
  font-size: 14px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.stack {
  display: grid;
  gap: 12px;
}

.report-item {
  padding: 16px;
  border-radius: 8px;
  background: var(--paper);
}

.report-item strong {
  display: block;
  margin-bottom: 7px;
  font-size: 15px;
}

.report-item p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.45;
  font-weight: 700;
}

.severity {
  display: inline-flex;
  margin-left: 8px;
  color: var(--blue);
  font-size: 11px;
  font-weight: 900;
  text-transform: uppercase;
}

.signals-section {
  background: #000;
  color: var(--paper);
}

.signals-section .eyebrow {
  color: #8f9cff;
}

.signals-section .section-title {
  align-items: end;
}

.signal-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 18px;
  margin-top: 36px;
}

.signal-card {
  min-height: 260px;
  padding: 26px;
  border: 1px solid rgba(255, 248, 241, 0.24);
  border-radius: 8px;
  background: rgba(255, 248, 241, 0.05);
}

.signal-icon {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  margin-bottom: 56px;
  border-radius: 5px;
  font-size: 28px;
  font-weight: 900;
}

.signal-icon.warn {
  color: var(--orange);
  background: rgba(240, 100, 47, 0.14);
}

.signal-icon.positive {
  color: #fff;
  background: var(--blue);
}

.signal-card h3 {
  margin-bottom: 12px;
  font-size: 25px;
  line-height: 1;
}

.signal-card p {
  margin: 0;
  color: rgba(255, 248, 241, 0.68);
  line-height: 1.45;
  font-weight: 700;
}

.limits-section {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(360px, 0.6fr);
  gap: 28px;
  background:
    linear-gradient(115deg, rgba(21, 48, 255, 0.07), transparent 55%),
    var(--paper-deep);
}

.limits-copy p {
  max-width: 690px;
  color: #26231f;
  font-size: 20px;
  line-height: 1.45;
  font-weight: 700;
}

.limits-list {
  display: grid;
  gap: 14px;
  align-content: center;
}

.limits-list div {
  padding: 22px;
  border-radius: 8px;
  background: #fff;
  font-size: 19px;
  font-weight: 850;
}

.toast {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 20;
  max-width: 360px;
  padding: 16px 18px;
  color: #fff;
  background: #000;
  border-radius: 8px;
  box-shadow: var(--shadow);
  font-weight: 800;
}

@media (max-width: 1120px) {
  body::before {
    left: 32px;
  }

  .topbar {
    grid-template-columns: 1fr auto;
    padding: 0 26px 0 54px;
  }

  .nav-links {
    display: none;
  }

  .hero-shell,
  .limits-section {
    grid-template-columns: 1fr;
  }

  .hero-shell,
  .report-section,
  .signals-section,
  .limits-section {
    padding-left: 64px;
    padding-right: 26px;
  }

  .orbit-art {
    top: auto;
    right: -240px;
    bottom: -130px;
    opacity: 0.25;
  }

  .intro,
  .hero-actions {
    margin-left: 0;
  }

  .report-columns,
  .signal-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 720px) {
  :root {
    --topbar-height: 74px;
  }

  body::before {
    display: none;
  }

  .topbar {
    min-height: 74px;
    padding: 0 16px;
  }

  .brand {
    font-size: 18px;
  }

  .brand-mark {
    width: 32px;
    height: 32px;
  }

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

  .hero-shell,
  .report-section,
  .signals-section,
  .limits-section {
    padding: 54px 16px;
  }

  h1 {
    font-size: 58px;
  }

  .intro {
    font-size: 17px;
  }

  .hero-actions,
  .panel-header,
  .report-heading {
    flex-direction: column;
    align-items: stretch;
  }

  .button {
    width: 100%;
  }

  .analyzer-panel,
  .report-card {
    padding: 18px;
  }

  .drop-zone {
    min-height: 210px;
  }

  .score-layout,
  .detector-signal,
  .report-columns,
  .signal-grid,
  .limits-section {
    grid-template-columns: 1fr;
  }

  .detector-signal small {
    justify-self: start;
    text-align: left;
  }

  .score-ring {
    width: 164px;
  }
}