/* Marketing and SEO pages: landing, demo gallery, brand pages.

   Loaded on top of app.css by public.html descendants so the public shell,
   navigation and footer keep a single source of truth. */

.seo-hero {
  padding: 18px 0 8px;
}

.seo-hero h1 {
  font-size: clamp(32px, 5vw, 54px);
  letter-spacing: -0.04em;
  line-height: 1.1;
  margin: 12px 0 16px;
}

.seo-hero.compact h1 {
  font-size: clamp(28px, 4vw, 42px);
}

.seo-lead {
  color: #c5cad4;
  font-size: 16px;
  line-height: 1.75;
  max-width: 760px;
}

.seo-lead a {
  color: #cbb8ff;
}

.seo-actions {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 24px 0 8px;
}

.seo-button {
  background: linear-gradient(180deg, #8a6dff, #6d4dff);
  border: 1px solid transparent;
  border-radius: 999px;
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  padding: 11px 20px;
  text-decoration: none;
}

.seo-button.ghost {
  background: #141821;
  border-color: var(--line-strong);
  color: var(--text);
}

.seo-facts {
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  list-style: none;
  margin: 28px 0 0;
  padding: 18px 0 0;
}

.seo-facts li {
  display: grid;
  gap: 2px;
}

.seo-facts strong {
  font-size: 20px;
}

.seo-facts span {
  color: var(--muted);
  font-size: 12px;
}

.seo-section {
  margin-top: 56px;
}

.seo-section h2 {
  font-size: 22px;
  letter-spacing: -0.01em;
  margin-bottom: 12px;
}

.seo-section-lead {
  color: #c5cad4;
  line-height: 1.75;
  max-width: 780px;
}

.seo-section-head {
  align-items: baseline;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: space-between;
}

.seo-more {
  color: #cbb8ff;
  font-size: 14px;
}

.seo-grid {
  display: grid;
  gap: 16px;
  margin-top: 18px;
}

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

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

.seo-card,
.seo-skill-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 18px;
}

.seo-card h3,
.seo-skill-card h3 {
  font-size: 16px;
  margin: 0 0 8px;
}

.seo-card p,
.seo-skill-card p {
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.7;
  margin: 0;
}

.seo-card code {
  background: #1b2029;
  border-radius: 6px;
  font-size: 12.5px;
  padding: 1px 5px;
}

.seo-card-link {
  display: grid;
  gap: 10px;
}

.seo-link {
  color: #cbb8ff;
  font-size: 13.5px;
  text-decoration: none;
}

.seo-link:hover {
  text-decoration: underline;
}

.seo-steps {
  color: #c5cad4;
  line-height: 1.75;
  margin-top: 14px;
  padding-left: 20px;
}

.seo-steps strong {
  color: var(--text);
  display: block;
}

.seo-steps span {
  display: block;
  font-size: 14px;
}

.seo-steps li + li {
  margin-top: 12px;
}

.seo-steps kbd,
.seo-hint kbd {
  background: #1b2029;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: #d7dbe3;
  font-size: 12px;
  padding: 1px 6px;
}

.seo-hint {
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.7;
  margin-top: 16px;
}

.seo-deck-grid {
  display: grid;
  gap: 22px 18px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 18px;
}

.seo-deck {
  display: grid;
  gap: 8px;
}

.seo-deck-thumb {
  border: 1px solid var(--line);
  border-radius: 14px;
  display: block;
  overflow: hidden;
}

.seo-deck-thumb img {
  aspect-ratio: 16 / 9;
  display: block;
  height: auto;
  object-fit: cover;
  width: 100%;
}

.seo-deck h3 {
  font-size: 15px;
  margin: 0;
}

.seo-deck p {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
  margin: 0;
}

.seo-deck small {
  color: var(--muted-2);
  font-size: 12px;
}

.seo-skill-card {
  display: grid;
  gap: 10px;
}

.seo-skill-card h3 small {
  color: var(--muted);
  display: block;
  font-size: 12px;
  font-weight: 400;
  margin-top: 4px;
}

.seo-inline-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.seo-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

.seo-chip {
  background: #141821;
  border: 1px solid var(--line);
  border-radius: 14px;
  display: grid;
  gap: 3px;
  min-width: 190px;
  padding: 12px 16px;
  text-decoration: none;
}

.seo-chip strong {
  font-size: 14px;
}

.seo-chip small {
  color: var(--muted);
  font-size: 12px;
}

.seo-faq {
  margin-top: 16px;
  max-width: 820px;
}

.seo-faq details {
  background: #11141a;
  border: 1px solid var(--line);
  border-radius: 12px;
  margin-bottom: 10px;
  padding: 12px 14px;
}

.seo-faq summary {
  cursor: pointer;
  font-weight: 650;
}

.seo-faq p {
  color: #c5cad4;
  font-size: 14px;
  line-height: 1.75;
  margin: 8px 0 0;
}

.seo-table-wrap {
  border: 1px solid var(--line);
  border-radius: 14px;
  margin-top: 16px;
  overflow-x: auto;
}

.seo-table {
  border-collapse: collapse;
  font-size: 14px;
  min-width: 620px;
  width: 100%;
}

.seo-table th,
.seo-table td {
  border-bottom: 1px solid var(--line);
  padding: 12px 16px;
  text-align: left;
  vertical-align: top;
}

.seo-table th {
  background: #141821;
  font-size: 13px;
}

.seo-table td:first-child {
  color: var(--muted);
  white-space: nowrap;
}

.seo-code {
  background: #0d1015;
  border: 1px solid var(--line);
  border-radius: 12px;
  color: #d7dbe3;
  font-size: 13px;
  line-height: 1.7;
  margin: 16px 0 0;
  overflow-x: auto;
  padding: 14px 16px;
}

.seo-cta {
  background: linear-gradient(140deg, #161a24, #10131a);
  border: 1px solid var(--line-strong);
  border-radius: 20px;
  margin-top: 64px;
  padding: 26px 24px;
}

.seo-cta h2 {
  font-size: 22px;
  margin: 0 0 8px;
}

.seo-cta p {
  color: #c5cad4;
  margin: 0;
  max-width: 640px;
}

@media (max-width: 960px) {
  .seo-grid.four {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (max-width: 720px) {
  .seo-grid.four,
  .seo-grid.two,
  .seo-deck-grid {
    grid-template-columns: 1fr;
  }

  .seo-facts {
    gap: 18px;
  }
}