:root {
  color-scheme: dark;
  --bg: #2e4036;
  --surface: #36473d;
  --surface-strong: #3d5045;
  --text: #f2f0e9;
  --muted: #b9bdb9;
  --accent: #beb4a7;
  --line: rgba(242, 240, 233, 0.16);
  --shadow: 0 28px 90px rgba(11, 24, 17, 0.24);
  font-family: "Outfit", Inter, ui-sans-serif, system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  background:
    radial-gradient(circle at 75% 12%, rgba(190, 180, 167, 0.1), transparent 28rem),
    var(--bg);
}

body,
button,
input {
  font: inherit;
}

a {
  color: inherit;
}

button,
input {
  color: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  transform: translateY(-120%);
  padding: 12px 16px;
  background: var(--text);
  color: var(--bg);
  font-weight: 800;
  transition: transform 160ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: blur(18px);
}

.nav-shell {
  width: min(1180px, calc(100% - 32px));
  min-height: 76px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.98rem;
  font-weight: 900;
  letter-spacing: 0.11em;
  line-height: 1;
}

.brand img {
  width: 30px;
  height: 30px;
  flex: none;
}

.brand .brand-lockup {
  color: inherit;
}

.brand .brand-lockup > span {
  color: var(--accent);
}

.nav-links {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 10px 22px;
}

.nav-links a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.nav-links a:hover {
  color: var(--accent);
}

.nav-links .nav-cta {
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
}

.page-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.breadcrumb {
  padding-top: 28px;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.breadcrumb li:not(:last-child)::after {
  margin-left: 8px;
  content: "/";
  opacity: 0.55;
}

.hero {
  min-height: 660px;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(300px, 0.85fr);
  align-items: center;
  gap: clamp(40px, 8vw, 120px);
  padding: 88px 0 96px;
}

.eyebrow {
  margin: 0 0 20px;
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.24em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin-top: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 500;
}

h1 {
  max-width: 900px;
  margin-bottom: 28px;
  font-size: clamp(3.2rem, 7vw, 7.2rem);
  line-height: 0.94;
  letter-spacing: -0.045em;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(2.25rem, 4.7vw, 4.8rem);
  line-height: 1;
  letter-spacing: -0.035em;
}

h3 {
  margin-bottom: 12px;
  font-size: clamp(1.35rem, 2vw, 1.85rem);
  line-height: 1.12;
}

p {
  color: var(--muted);
  line-height: 1.72;
}

.lead {
  max-width: 760px;
  margin: 0;
  font-size: clamp(1.05rem, 1.8vw, 1.28rem);
}

.hero-actions,
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.button {
  min-height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 0 24px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  color: var(--text);
  text-decoration: none;
  font-size: 0.74rem;
  font-weight: 900;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  cursor: pointer;
  transition:
    transform 180ms ease,
    background-color 180ms ease,
    color 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  border-color: var(--accent);
  background: var(--accent);
  color: #18241d;
}

.hero-panel,
.card,
.metric,
.audit-panel,
.lab-panel {
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface) 94%, transparent);
  box-shadow: var(--shadow);
}

.hero-panel {
  padding: clamp(26px, 4vw, 46px);
}

.hero-panel strong {
  color: var(--text);
}

.hero-panel ul,
.check-list {
  display: grid;
  gap: 16px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.hero-panel li,
.check-list li {
  position: relative;
  padding-left: 24px;
  color: var(--muted);
  line-height: 1.55;
}

.hero-panel li::before,
.check-list li::before {
  position: absolute;
  top: 0.7em;
  left: 0;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  content: "";
}

.section {
  padding: 92px 0;
  border-top: 1px solid var(--line);
}

.section-head {
  max-width: 780px;
  margin-bottom: 44px;
}

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

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

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

.grid-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.card {
  min-height: 230px;
  padding: clamp(24px, 3vw, 38px);
}

.card-index {
  display: block;
  margin-bottom: 40px;
  color: var(--accent);
  font-size: 0.7rem;
  font-weight: 900;
  letter-spacing: 0.2em;
}

.card p:last-child {
  margin-bottom: 0;
}

.facts {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin: 36px 0 0;
}

.metric {
  min-height: 150px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 22px;
}

.metric dt {
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.metric dd {
  margin: 24px 0 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.8rem, 3vw, 3.4rem);
}

.commercial-note {
  margin-top: 24px;
  padding: 20px 24px;
  border-left: 2px solid var(--accent);
  background: rgba(190, 180, 167, 0.08);
}

.commercial-note p {
  margin: 0;
}

.faq-list {
  display: grid;
  gap: 12px;
}

details {
  border: 1px solid var(--line);
  background: var(--surface);
}

summary {
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 22px;
  font-weight: 800;
  cursor: pointer;
}

summary::after {
  color: var(--accent);
  content: "+";
  font-size: 1.3rem;
}

details[open] summary::after {
  content: "−";
}

details p {
  max-width: 820px;
  margin: 0;
  padding: 0 22px 24px;
}

.cta-band {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 36px;
  padding: clamp(30px, 5vw, 54px);
  border: 1px solid var(--line);
  background: var(--surface);
}

.cta-band h2 {
  max-width: 760px;
  margin-bottom: 12px;
}

.cta-band p {
  margin: 0;
}

.site-footer {
  margin-top: 96px;
  border-top: 1px solid var(--line);
}

.footer-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 44px 0;
  display: grid;
  grid-template-columns: 1.2fr repeat(2, 1fr);
  gap: 40px;
}

.footer-links {
  display: grid;
  align-content: start;
  gap: 12px;
}

.footer-links strong {
  margin-bottom: 8px;
  color: var(--accent);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.footer-links a {
  color: var(--muted);
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--text);
}

.footer-meta {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 22px 0 30px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.76rem;
}

.audit-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  margin-top: 30px;
}

.audit-form label {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

.audit-form input {
  min-height: 56px;
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 0;
  background: var(--surface);
  padding: 0 18px;
}

.audit-form input::placeholder {
  color: color-mix(in srgb, var(--muted) 74%, transparent);
}

.audit-status {
  min-height: 28px;
  margin-top: 14px;
  color: var(--muted);
}

.audit-result[hidden] {
  display: none;
}

.audit-result {
  margin-top: 44px;
}

.score-layout {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 30px;
  align-items: stretch;
}

.score-card {
  min-height: 240px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  background: var(--surface);
  text-align: center;
}

.score-value {
  display: block;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 5rem;
  line-height: 0.9;
}

.score-label {
  display: block;
  margin-top: 12px;
  color: var(--muted);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.category-card {
  min-height: 112px;
  padding: 20px;
  border: 1px solid var(--line);
  background: var(--surface);
}

.category-card span {
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.category-card strong {
  display: block;
  margin-top: 16px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 2rem;
}

.audit-checks {
  display: grid;
  gap: 10px;
  margin-top: 28px;
}

.audit-check {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 12px;
  padding: 18px;
  border: 1px solid var(--line);
  background: var(--surface);
}

.audit-check b {
  display: block;
  margin-bottom: 4px;
}

.audit-check p {
  margin: 0;
  font-size: 0.92rem;
}

.audit-check-icon {
  color: var(--accent);
  font-weight: 900;
}

.audit-check.is-failing {
  border-color: rgba(241, 157, 134, 0.55);
}

.audit-check.is-failing .audit-check-icon {
  color: #f19d86;
}

.audit-method {
  margin-top: 22px;
  font-size: 0.86rem;
}

.consent-banner {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 80;
  width: min(430px, calc(100% - 36px));
  padding: 22px;
  border: 1px solid var(--line);
  background: #1f3027;
  box-shadow: 0 20px 70px rgba(0, 0, 0, 0.42);
}

.consent-banner p {
  margin: 0;
  font-size: 0.92rem;
}

.consent-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.consent-actions button {
  min-height: 44px;
  padding: 0 16px;
  border: 1px solid var(--line);
  background: transparent;
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
}

.consent-actions .accept {
  background: var(--accent);
  color: #18241d;
}

.lab-story {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.8fr);
  gap: clamp(30px, 7vw, 100px);
}

.lab-stage-wrap {
  min-height: 360vh;
}

.lab-stage {
  position: sticky;
  top: 110px;
  min-height: calc(100vh - 150px);
  display: grid;
  place-items: center;
  overflow: hidden;
  border: 1px solid var(--line);
  background:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px),
    var(--surface);
  background-size: 44px 44px;
}

.lab-object {
  position: relative;
  width: min(74%, 560px);
  aspect-ratio: 1.15;
  perspective: 1000px;
}

.lab-layer {
  --offset: calc((var(--layer) - 2) * var(--progress) * 58px);
  position: absolute;
  inset: 16%;
  display: grid;
  place-items: center;
  transform:
    translate3d(0, var(--offset), calc(var(--layer) * 18px))
    rotateX(calc(58deg - (var(--progress) * 16deg)));
  border: 1px solid color-mix(in srgb, var(--accent) 58%, transparent);
  background: color-mix(in srgb, var(--bg) 82%, var(--accent));
  box-shadow: 0 26px 48px rgba(5, 15, 9, 0.28);
  color: var(--text);
  font-size: clamp(0.65rem, 1.4vw, 0.88rem);
  font-weight: 900;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  transition: border-color 180ms ease;
  will-change: transform;
}

.lab-layer:nth-child(2) {
  inset: 20%;
}

.lab-layer:nth-child(3) {
  inset: 24%;
}

.lab-layer:nth-child(4) {
  inset: 28%;
}

.lab-layer:nth-child(5) {
  inset: 32%;
}

.lab-chapters {
  display: grid;
  align-content: start;
}

.lab-chapter {
  min-height: 86vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  opacity: 0.48;
  transition: opacity 220ms ease;
}

.lab-chapter.is-active {
  opacity: 1;
}

.lab-chapter strong {
  color: var(--accent);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
}

.lab-chapter h2 {
  margin-top: 18px;
  font-size: clamp(2.25rem, 4vw, 4rem);
}

@media (max-width: 900px) {
  .nav-shell {
    min-height: 68px;
    align-items: flex-start;
    flex-direction: column;
    padding: 16px 0;
  }

  .nav-links {
    justify-content: flex-start;
    gap: 6px 16px;
  }

  .nav-links .nav-cta {
    padding: 0;
    border: 0;
  }

  .hero {
    min-height: auto;
    grid-template-columns: 1fr;
    padding: 72px 0 84px;
  }

  .grid-3,
  .grid-4,
  .facts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .footer-shell {
    grid-template-columns: 1fr 1fr;
  }

  .footer-shell > :first-child {
    grid-column: 1 / -1;
  }

  .lab-story {
    grid-template-columns: 1fr;
  }

  .lab-stage-wrap {
    min-height: 230vh;
  }

  .lab-stage {
    top: 150px;
    min-height: 56vh;
  }

  .lab-chapter {
    min-height: 54vh;
  }
}

@media (max-width: 620px) {
  .page-shell,
  .nav-shell,
  .footer-shell,
  .footer-meta {
    width: min(100% - 24px, 1180px);
  }

  .breadcrumb {
    padding-top: 22px;
  }

  h1 {
    font-size: clamp(2.75rem, 15vw, 4.7rem);
  }

  .section {
    padding: 72px 0;
  }

  .grid-2,
  .grid-3,
  .grid-4,
  .facts,
  .footer-shell,
  .score-layout,
  .category-grid {
    grid-template-columns: 1fr;
  }

  .footer-shell > :first-child {
    grid-column: auto;
  }

  .audit-form {
    grid-template-columns: 1fr;
  }

  .button {
    width: 100%;
  }

  .lab-stage {
    top: 148px;
    min-height: 48vh;
  }

  .lab-layer {
    --offset: calc((var(--layer) - 2) * var(--progress) * 38px);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
  }

  .lab-layer {
    --progress: 0.72 !important;
  }
}