:root {
  --color-bg: #f7f4ee;
  --color-surface: #fffdf8;
  --color-text: #2f2d2a;
  --color-muted: #6f6a61;
  --color-border: #d9d1c2;
  --color-accent: #6f7b3c;
  --color-accent-strong: #56622f;
  --color-warm: #b56f35;
  --color-graphite: #3d3a35;
  --shadow-soft: 0 14px 34px rgb(47 45 42 / 10%);
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

html {
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    "Noto Sans SC", "Microsoft YaHei", sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--color-bg);
}

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

p,
h1,
h2,
h3 {
  margin: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 16px;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg);
}

.brand {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  gap: 10px;
  font-weight: 700;
}

.brand-mark {
  width: 30px;
  height: 30px;
  border: 2px solid var(--color-graphite);
  border-radius: 6px;
  background: linear-gradient(135deg, var(--color-surface) 0 48%, var(--color-warm) 48% 100%);
}

.site-nav {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}

.nav-link {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  color: var(--color-muted);
  font-size: 14px;
  background: var(--color-surface);
}

.nav-link.is-active {
  border-color: var(--color-accent);
  color: var(--color-text);
  font-weight: 700;
}

.page-shell {
  width: min(1120px, 100%);
  margin: 0 auto;
  padding: 24px 16px 48px;
}

.access-page {
  display: grid;
  min-height: calc(100svh - 180px);
  place-items: center;
}

.access-panel {
  display: grid;
  width: min(520px, 100%);
  gap: 18px;
  padding: 28px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: var(--color-surface);
  box-shadow: var(--shadow-soft);
}

.access-panel h1 {
  font-size: clamp(32px, 7vw, 54px);
  line-height: 1;
}

.access-form {
  display: grid;
  gap: 12px;
}

.access-form label {
  color: var(--color-muted);
  font-size: 14px;
  font-weight: 700;
}

.access-form input[type="password"] {
  min-height: 48px;
  width: 100%;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 0 14px;
  color: var(--color-text);
  font: inherit;
  background: #fff;
}

.form-error {
  padding: 12px 14px;
  border: 1px solid #c76857;
  border-radius: 8px;
  color: #7d2d20;
  background: #fff2ef;
}

.hero {
  display: grid;
  gap: 24px;
  align-items: center;
  min-height: calc(100svh - 176px);
  padding: 18px 0 28px;
}

.eyebrow {
  color: var(--color-warm);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
}

.hero-copy {
  display: grid;
  gap: 16px;
}

.hero h1 {
  max-width: 760px;
  font-size: 36px;
  line-height: 1.08;
  letter-spacing: 0;
}

.lead {
  max-width: 720px;
  color: var(--color-muted);
  font-size: 17px;
  line-height: 1.72;
}

.cta-row {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  padding: 12px 18px;
  border: 1px solid var(--color-graphite);
  border-radius: 8px;
  font-weight: 700;
}

.button.primary {
  border-color: var(--color-accent-strong);
  background: var(--color-accent-strong);
  color: #fffdf8;
}

.button.secondary {
  background: var(--color-surface);
}

.image-comparison {
  display: grid;
  gap: 12px;
  padding: 12px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: var(--color-surface);
  box-shadow: var(--shadow-soft);
}

.comparison-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
}

.image-frame {
  display: grid;
  aspect-ratio: 4 / 5;
  min-height: 220px;
  place-items: center;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background:
    linear-gradient(90deg, rgb(61 58 53 / 8%) 1px, transparent 1px),
    linear-gradient(rgb(61 58 53 / 8%) 1px, transparent 1px),
    #ebe4d6;
  background-size: 22px 22px;
  color: var(--color-muted);
  text-align: center;
}

.image-frame.after {
  border-color: rgb(111 123 60 / 55%);
  background:
    linear-gradient(90deg, rgb(111 123 60 / 12%) 1px, transparent 1px),
    linear-gradient(rgb(111 123 60 / 12%) 1px, transparent 1px),
    #f2eadc;
  background-size: 22px 22px;
}

.frame-label {
  display: block;
  padding: 0 8px;
  font-weight: 800;
}

.caption {
  color: var(--color-muted);
  font-size: 14px;
  line-height: 1.6;
}

.section {
  display: grid;
  gap: 18px;
  padding: 32px 0;
  border-top: 1px solid var(--color-border);
}

.section h2 {
  font-size: 24px;
  line-height: 1.2;
  letter-spacing: 0;
}

.card-grid,
.process-grid,
.policy-grid {
  display: grid;
  gap: 12px;
}

.card,
.process-step,
.policy-card,
.notice {
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: var(--color-surface);
}

.card,
.process-step,
.policy-card {
  display: grid;
  gap: 10px;
  padding: 18px;
}

.card h3,
.process-step h3,
.policy-card h2,
.policy-card h3 {
  font-size: 18px;
  line-height: 1.3;
}

.card p,
.process-step p,
.policy-card p,
.policy-card li,
.notice p {
  color: var(--color-muted);
  line-height: 1.7;
}

.sample-preview {
  display: grid;
  gap: 12px;
}

.sample-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.sample-tile {
  display: grid;
  aspect-ratio: 1;
  place-items: center;
  border: 1px dashed var(--color-border);
  border-radius: 8px;
  background: #f0eadf;
  color: var(--color-muted);
  font-size: 14px;
  min-width: 0;
  overflow-wrap: anywhere;
  text-align: center;
}

.samples-page {
  display: grid;
  gap: 24px;
}

.samples-hero {
  display: grid;
  gap: 14px;
  padding: 20px 0 8px;
}

.samples-hero h1 {
  max-width: 760px;
  font-size: 34px;
  line-height: 1.12;
  letter-spacing: 0;
}

.samples-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.sample-card {
  display: grid;
  gap: 16px;
  min-width: 0;
  padding: 18px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: var(--color-surface);
}

.sample-card-header {
  display: grid;
  gap: 8px;
}

.sample-card h2 {
  font-size: 22px;
  line-height: 1.2;
  letter-spacing: 0;
}

.sample-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.sample-meta span {
  display: inline-flex;
  min-height: 34px;
  align-items: center;
  padding: 7px 10px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  color: var(--color-muted);
  font-size: 13px;
  background: #f0eadf;
}

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

.sample-pair figure {
  display: grid;
  gap: 8px;
  min-width: 0;
  margin: 0;
}

.sample-pair img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  max-height: 420px;
  object-fit: contain;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: #f0eadf;
}

.sample-pair figcaption {
  color: var(--color-muted);
  font-size: 13px;
  line-height: 1.5;
}

.sample-image-placeholder {
  display: grid;
  width: 100%;
  aspect-ratio: 4 / 3;
  min-height: 180px;
  place-items: center;
  padding: 12px;
  border: 1px dashed var(--color-border);
  border-radius: 8px;
  background: #f0eadf;
  color: var(--color-muted);
  text-align: center;
}

.sample-notes {
  display: grid;
  gap: 8px;
}

.sample-notes p,
.sample-disclaimer,
.empty-samples p {
  color: var(--color-muted);
  line-height: 1.7;
}

.sample-notes strong {
  display: block;
  margin-bottom: 2px;
  color: var(--color-text);
}

.sample-disclaimer {
  padding-top: 12px;
  border-top: 1px solid var(--color-border);
  font-size: 14px;
}

.empty-samples {
  display: grid;
  gap: 14px;
  padding: 22px;
  border: 1px dashed var(--color-border);
  border-radius: 8px;
  background: var(--color-surface);
}

.empty-samples h2 {
  font-size: 22px;
  line-height: 1.25;
  letter-spacing: 0;
}

.process-step strong {
  color: var(--color-warm);
  font-size: 13px;
}

.notice {
  display: grid;
  gap: 12px;
  padding: 18px;
  border-color: rgb(181 111 53 / 45%);
}

.success-panel {
  display: grid;
  gap: 18px;
  max-width: 780px;
  min-height: calc(100svh - 220px);
  align-content: center;
  padding: 32px 0;
}

.request-id {
  display: inline-flex;
  width: fit-content;
  min-height: 44px;
  align-items: center;
  padding: 10px 14px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: var(--color-surface);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-weight: 700;
}

.preview-panel {
  display: grid;
  gap: 18px;
  margin: 8px 0;
  padding: 18px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: #fff;
}

.preview-status {
  display: grid;
  gap: 8px;
}

.preview-status h2 {
  font-size: 24px;
  line-height: 1.15;
}

.preview-frame {
  display: grid;
  min-height: 260px;
  place-items: center;
  overflow: hidden;
  border: 1px dashed var(--color-border);
  border-radius: 8px;
  color: var(--color-muted);
  background: var(--color-bg);
}

.preview-frame img {
  display: block;
  width: 100%;
  height: auto;
}

.legal-page {
  display: grid;
  gap: 18px;
  padding-top: 24px;
}

.legal-page h1,
.success-panel h1 {
  font-size: 32px;
  line-height: 1.15;
  letter-spacing: 0;
}

.policy-card ul {
  margin: 0;
  padding-left: 20px;
}

.intake-page {
  display: grid;
  gap: 22px;
}

.intake-hero {
  display: grid;
  gap: 14px;
  padding: 20px 0 8px;
}

.intake-hero h1 {
  font-size: 34px;
  line-height: 1.12;
  letter-spacing: 0;
}

.intake-form {
  display: grid;
  gap: 16px;
  min-width: 0;
}

.form-section {
  display: grid;
  gap: 16px;
  min-width: 0;
  padding: 18px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: var(--color-surface);
}

.form-section-header {
  display: grid;
  gap: 8px;
  min-width: 0;
}

.form-section h2 {
  font-size: 22px;
  line-height: 1.25;
  letter-spacing: 0;
}

.form-section p,
.form-section small,
.form-actions p {
  color: var(--color-muted);
  line-height: 1.7;
}

.field-grid,
.choice-grid,
.checkbox-group {
  display: grid;
  gap: 12px;
  min-width: 0;
}

.field {
  display: grid;
  gap: 8px;
  min-width: 0;
  color: var(--color-text);
  font-weight: 700;
}

.field span,
.checkbox-row span,
.choice-card span {
  min-width: 0;
  overflow-wrap: anywhere;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  min-height: 44px;
  min-width: 0;
  padding: 11px 12px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  color: var(--color-text);
  font: inherit;
  font-weight: 500;
  background: #fffdf8;
}

.field input[type="file"] {
  padding: 10px;
}

.field textarea {
  resize: vertical;
  line-height: 1.6;
}

.field small {
  font-weight: 500;
}

.choice-card,
.checkbox-row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 10px;
  min-height: 44px;
  align-items: start;
  padding: 12px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: #f0eadf;
}

.choice-card input,
.checkbox-row input {
  width: 20px;
  height: 20px;
  margin: 2px 0 0;
  accent-color: var(--color-accent-strong);
}

.choice-card strong,
.choice-card small {
  display: block;
}

.choice-card small {
  margin-top: 3px;
  color: var(--color-muted);
  line-height: 1.5;
}

.checkbox-group {
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

.checkbox-group legend {
  margin-bottom: 10px;
  font-size: 16px;
  font-weight: 800;
}

.checkbox-row {
  color: var(--color-text);
  line-height: 1.55;
}

.checkbox-row a {
  color: var(--color-accent-strong);
  font-weight: 800;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.form-actions {
  display: grid;
  gap: 12px;
  align-items: center;
  padding: 16px 0 0;
}

.form-actions .button {
  width: 100%;
  cursor: pointer;
  font: inherit;
}

.site-footer {
  display: grid;
  gap: 10px;
  padding: 24px 16px 34px;
  border-top: 1px solid var(--color-border);
  color: var(--color-muted);
  font-size: 14px;
  line-height: 1.7;
}

.site-footer a {
  color: var(--color-accent-strong);
  font-weight: 700;
}

@media (min-width: 680px) {
  .site-header {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: 14px 28px;
  }

  .site-nav {
    display: flex;
  }

  .nav-link {
    min-width: 86px;
    padding: 0 14px;
  }

  .page-shell {
    padding: 36px 28px 64px;
  }

  .hero {
    grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
    min-height: calc(100svh - 132px);
  }

  .hero h1 {
    font-size: 52px;
  }

  .cta-row {
    flex-direction: row;
  }

  .button {
    width: fit-content;
  }

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

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

  .sample-preview {
    grid-template-columns: minmax(0, 0.8fr) minmax(280px, 1fr);
    align-items: center;
  }

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

  .samples-page {
    gap: 28px;
  }

  .samples-hero h1 {
    font-size: 44px;
  }

  .intake-page {
    gap: 28px;
  }

  .intake-hero h1 {
    font-size: 44px;
  }

  .form-section {
    padding: 22px;
  }

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

  .field.full {
    grid-column: 1 / -1;
  }

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

  .form-actions {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .form-actions .button {
    width: fit-content;
  }

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

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

  .site-footer {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    padding-right: 28px;
    padding-left: 28px;
  }
}