/* Sample proposal marketing page */

.sample-main {
  padding-top: var(--dn-header-h);
}

.sample-hero {
  padding: 3.5rem 0 2rem;
  text-align: center;
  background: var(--dn-gradient-subtle);
}

.sample-hero h1 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  letter-spacing: -0.03em;
  margin: 0 0 1rem;
  line-height: 1.15;
}

.sample-hero .hero-sub {
  max-width: 640px;
  margin: 0 auto 1.75rem;
}

.sample-hero .hero-cta {
  justify-content: center;
}

.sample-rail {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1rem;
  align-items: center;
  justify-content: center;
  padding: 1.25rem 1rem;
  position: sticky;
  top: var(--dn-header-h-shrink);
  z-index: 40;
  background: rgba(6, 8, 15, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--dn-border);
  font-size: 0.85rem;
}

.sample-rail a {
  color: var(--dn-text-muted);
  font-weight: 600;
}

.sample-rail a:hover { color: var(--dn-accent); }

.sample-section {
  padding: 4rem 0;
}

.sample-alt {
  background: var(--dn-bg-elevated);
}

.sample-card {
  background: var(--dn-bg-card);
  border: 1px solid var(--dn-border);
  border-radius: var(--dn-radius);
  padding: 1.5rem;
}

.sample-doc {
  background: #0b1220;
  border: 1px solid var(--dn-border);
  border-radius: var(--dn-radius-lg);
  padding: 1.75rem 1.5rem;
  max-height: 70vh;
  overflow: auto;
  box-shadow: var(--dn-shadow);
}

.markdown-sample h1,
.markdown-sample h2,
.markdown-sample h3 {
  letter-spacing: -0.02em;
  margin: 1.5rem 0 0.75rem;
}

.markdown-sample h1 { margin-top: 0; font-size: 1.5rem; }
.markdown-sample h2 { font-size: 1.15rem; color: #e2e8f0; }
.markdown-sample p,
.markdown-sample li {
  color: var(--dn-text-muted);
  font-size: 0.95rem;
  line-height: 1.65;
}

.markdown-sample table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
  font-size: 0.9rem;
}

.markdown-sample th,
.markdown-sample td {
  border: 1px solid var(--dn-border);
  padding: 0.5rem 0.65rem;
  text-align: left;
}

.markdown-sample th {
  background: rgba(59, 130, 246, 0.15);
  color: #e2e8f0;
}

.validation-panel .val-head {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: flex-start;
  margin-bottom: 1.25rem;
}

.validation-panel h3 { margin: 0 0 0.35rem; }
.muted { color: var(--dn-text-dim); font-size: 0.9rem; margin: 0; }

.val-score {
  font-size: 1.75rem;
  font-weight: 800;
  background: var(--dn-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.val-cols {
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 640px) {
  .val-cols { grid-template-columns: 1fr 1fr; }
}

.val-cols h4 {
  margin: 0 0 0.5rem;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--dn-text-dim);
}

.val-cols ul {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--dn-text-muted);
  font-size: 0.9rem;
}

.review-compare {
  display: grid;
  gap: 1rem;
}

@media (min-width: 768px) {
  .review-compare { grid-template-columns: 1fr 1fr; }
}

.review-after {
  border-color: rgba(59, 130, 246, 0.35);
}

.conf-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  margin: 1rem 0 1.5rem;
  text-align: center;
}

.conf-metrics strong {
  display: block;
  font-size: 1.5rem;
  font-weight: 800;
}

.conf-metrics span {
  font-size: 0.75rem;
  color: var(--dn-text-dim);
}

.conf-lists {
  display: grid;
  gap: 1rem;
}

@media (min-width: 768px) {
  .conf-lists { grid-template-columns: repeat(3, 1fr); }
}

.conf-lists h4 { margin: 0 0 0.5rem; font-size: 0.85rem; }
.conf-lists h4.ok { color: #4ade80; }
.conf-lists h4.warn { color: #facc15; }
.conf-lists h4.need { color: #93c5fd; }
.conf-lists ul {
  margin: 0;
  padding-left: 1.1rem;
  font-size: 0.85rem;
  color: var(--dn-text-muted);
}

.docx-preview { text-align: center; }

.docx-cover {
  border: 1px solid var(--dn-border);
  border-radius: var(--dn-radius-sm);
  padding: 2rem 1.5rem;
  margin-bottom: 1.25rem;
  background: linear-gradient(180deg, #0f172a 0%, #0b1220 100%);
}

.docx-brand {
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--dn-accent);
  font-weight: 700;
  margin: 0 0 1rem;
}

.docx-cover h3 {
  margin: 0 0 0.75rem;
  font-size: 1.35rem;
}

.docx-meta {
  list-style: none;
  padding: 0;
  margin: 0 0 1.5rem;
  color: var(--dn-text-muted);
  font-size: 0.9rem;
}

.docx-meta li { margin-bottom: 0.35rem; }

@media (max-width: 640px) {
  .sample-hero .hero-cta { flex-direction: column; align-items: stretch; }
  .sample-hero .btn { width: 100%; }
  .sample-doc { max-height: 55vh; padding: 1.25rem 1rem; }
}