/* ═══════════════════════════════════════════════════════
   SEO Landing Pages — Styles
   Uses existing design tokens from style.css
   ═══════════════════════════════════════════════════════ */

/* ── Hero ─────────────────────────────────────────────── */

.seo-hero {
  padding: 48px 0 36px;
}

.seo-hero-inner {
  display: grid;
  gap: 18px;
}

.seo-kicker {
  width: fit-content;
  min-height: 32px;
  padding: 0 14px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border-radius: var(--radius-xs);
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
}

.seo-kicker svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

.seo-hero h1 {
  font-size: clamp(2rem, 10vw, 3.6rem);
  line-height: 0.97;
  letter-spacing: -0.06em;
  max-width: 780px;
}

.seo-hero-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
  max-width: 640px;
}

.seo-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding-top: 4px;
}

.seo-btn-primary {
  min-height: 48px;
  padding: 0 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: var(--radius-xs);
  background: var(--accent);
  border: 1px solid var(--accent);
  color: #ffffff;
  font-weight: 700;
  font-size: 0.92rem;
  transition: background var(--transition), transform var(--transition);
}

.seo-btn-primary:hover {
  background: #2b2b2b;
  transform: translateY(-1px);
}

.seo-btn-secondary {
  min-height: 48px;
  padding: 0 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: var(--radius-xs);
  background: var(--surface);
  border: 1px solid var(--border-strong);
  color: var(--text);
  font-weight: 700;
  font-size: 0.92rem;
  transition: border-color var(--transition), background var(--transition);
}

.seo-btn-secondary:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
}

/* ── Sections ─────────────────────────────────────────── */

.seo-section {
  padding: 36px 0;
}

.seo-section + .seo-section {
  border-top: 1px solid var(--border);
}

.seo-section-header {
  display: grid;
  gap: 8px;
  margin-bottom: 24px;
}

.seo-section-label {
  color: var(--muted);
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 800;
}

.seo-section-title {
  font-size: clamp(1.4rem, 5vw, 2rem);
  line-height: 1.05;
  letter-spacing: -0.04em;
}

.seo-section-desc {
  color: var(--text-secondary);
  font-size: 0.9rem;
  max-width: 600px;
}

/* ── Feature Grid ─────────────────────────────────────── */

.seo-features {
  display: grid;
  gap: 12px;
}

.seo-feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 20px;
  display: grid;
  gap: 10px;
  transition: border-color var(--transition), transform var(--transition);
}

.seo-feature-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-1px);
}

.seo-feature-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--surface-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.seo-feature-title {
  font-size: 0.96rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.seo-feature-desc {
  color: var(--text-secondary);
  font-size: 0.84rem;
  line-height: 1.55;
}

/* ── Live Feed Section ────────────────────────────────── */

.seo-live-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

.seo-live-badge {
  min-height: 28px;
  padding: 0 10px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border-radius: var(--radius-xs);
  background: var(--success-bg);
  color: var(--success-text);
  font-size: 0.72rem;
  font-weight: 700;
}

.seo-live-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  animation: pulse 1.45s ease-in-out infinite;
}

.seo-live-grid {
  display: grid;
  gap: 12px;
}

.seo-live-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 16px;
  display: grid;
  gap: 8px;
  transition: border-color var(--transition), transform var(--transition);
}

.seo-live-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-1px);
}

.seo-live-card-meta {
  display: flex;
  align-items: center;
  gap: 8px;
}

.seo-live-card-title {
  font-size: 0.92rem;
  font-weight: 800;
  line-height: 1.35;
  letter-spacing: -0.02em;
}

.seo-live-card-summary {
  color: var(--text-secondary);
  font-size: 0.82rem;
  line-height: 1.55;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.seo-live-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding-top: 2px;
}

.seo-live-card-link {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: color var(--transition);
}

.seo-live-card-link:hover {
  color: var(--text);
}

.seo-live-loading {
  display: grid;
  gap: 12px;
}

.seo-live-skeleton {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 16px;
  display: grid;
  gap: 10px;
}

.seo-skel-line {
  height: 12px;
  border-radius: 999px;
  background: #e5e2d9;
  animation: pulse 1.45s ease-in-out infinite;
}

.seo-skel-line.title { height: 16px; width: 75%; }
.seo-skel-line.mid { width: 90%; }
.seo-skel-line.short { width: 40%; }

/* ── Comparison Table ─────────────────────────────────── */

.seo-compare-table {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  overflow: hidden;
  border-collapse: separate;
  border-spacing: 0;
}

.seo-compare-table thead th {
  background: var(--surface-muted);
  padding: 14px 16px;
  font-size: 0.82rem;
  font-weight: 800;
  text-align: left;
  letter-spacing: -0.01em;
  border-bottom: 1px solid var(--border);
}

.seo-compare-table thead th:first-child {
  border-top-left-radius: 20px;
}

.seo-compare-table thead th:last-child {
  border-top-right-radius: 20px;
}

.seo-compare-table tbody td {
  padding: 14px 16px;
  font-size: 0.86rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

.seo-compare-table tbody tr:last-child td {
  border-bottom: none;
}

.seo-compare-table .check {
  color: var(--success-text);
  font-weight: 700;
}

.seo-compare-table .cross {
  color: var(--danger-text);
  font-weight: 700;
}

.seo-compare-highlight {
  background: #f9f8f3;
}

/* ── FAQ Accordion ────────────────────────────────────── */

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

.seo-faq-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  transition: border-color var(--transition);
}

.seo-faq-item:hover {
  border-color: var(--border-strong);
}

.seo-faq-question {
  width: 100%;
  padding: 16px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  font-weight: 700;
  font-size: 0.9rem;
  text-align: left;
  color: var(--text);
  background: transparent;
  border: none;
  cursor: pointer;
}

.seo-faq-chevron {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  transition: transform 200ms ease;
  color: var(--muted);
}

.seo-faq-item.open .seo-faq-chevron {
  transform: rotate(180deg);
}

.seo-faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 280ms ease;
}

.seo-faq-item.open .seo-faq-answer {
  max-height: 400px;
}

.seo-faq-answer-inner {
  padding: 0 18px 18px;
  color: var(--text-secondary);
  font-size: 0.86rem;
  line-height: 1.65;
}

/* ── Bottom CTA ───────────────────────────────────────── */

.seo-bottom-cta {
  padding: 48px 0 36px;
  text-align: center;
}

.seo-bottom-cta-inner {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 36px 24px;
  display: grid;
  gap: 14px;
  justify-items: center;
}

.seo-bottom-cta h2 {
  font-size: clamp(1.4rem, 5vw, 1.9rem);
  letter-spacing: -0.04em;
  line-height: 1.05;
}

.seo-bottom-cta p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  max-width: 480px;
}

.seo-bottom-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  padding-top: 4px;
}

/* ── Language Tabs (for multilingual live feed) ────────── */

.seo-lang-tabs {
  display: flex;
  gap: 6px;
  margin-bottom: 18px;
  overflow-x: auto;
  scrollbar-width: none;
  padding-bottom: 2px;
}

.seo-lang-tabs::-webkit-scrollbar {
  display: none;
}

.seo-lang-tab {
  min-height: 36px;
  padding: 0 16px;
  display: inline-flex;
  align-items: center;
  border-radius: var(--radius-xs);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-secondary);
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition), color var(--transition);
  white-space: nowrap;
}

.seo-lang-tab:hover {
  border-color: var(--border-strong);
  background: var(--accent-soft);
}

.seo-lang-tab.active {
  border-color: var(--accent);
  background: var(--accent);
  color: #fff;
}

/* ── App cards (for alternatives page) ────────────────── */

.seo-app-grid {
  display: grid;
  gap: 12px;
}

.seo-app-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 20px;
  display: grid;
  gap: 12px;
  transition: border-color var(--transition), transform var(--transition);
}

.seo-app-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-1px);
}

.seo-app-card-header {
  display: flex;
  align-items: center;
  gap: 14px;
}

.seo-app-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--surface-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
}

.seo-app-name {
  font-weight: 800;
  font-size: 1rem;
  letter-spacing: -0.02em;
}

.seo-app-type {
  color: var(--muted);
  font-size: 0.78rem;
}

.seo-app-desc {
  color: var(--text-secondary);
  font-size: 0.86rem;
  line-height: 1.55;
}

.seo-app-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.seo-app-tag {
  min-height: 26px;
  padding: 0 10px;
  display: inline-flex;
  align-items: center;
  border-radius: var(--radius-xs);
  background: var(--surface-muted);
  color: var(--text-secondary);
  font-size: 0.72rem;
  font-weight: 700;
}

.seo-app-tag.highlight {
  background: var(--success-bg);
  color: var(--success-text);
}

/* ── Responsive ───────────────────────────────────────── */

@media (min-width: 720px) {
  .seo-hero {
    padding: 64px 0 44px;
  }

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

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

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

@media (min-width: 980px) {
  .seo-features {
    grid-template-columns: repeat(3, 1fr);
  }

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