/* ==========================================================================
   VideoTex — page-landing.css (owner: templates/video_app/landing.html)
   Clean, readable, SEO-focused styles adhering strictly to VideoTex theme tokens.
   ========================================================================== */

.yt-landing {
  max-width: 1160px;
  margin: 0 auto;
  padding: 24px 20px 64px;
  color: var(--yt-fg);
}

/* -- Hero Section -------------------------------------------------------- */
.yt-landing__hero {
  margin-bottom: 48px;
  padding-bottom: 36px;
  border-bottom: 1px solid var(--yt-border);
}

.yt-landing__eyebrow {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.yt-landing__title {
  font-size: clamp(28px, 4.2vw, 46px);
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: -0.02em;
  color: var(--yt-fg);
  margin-bottom: 18px;
  text-wrap: balance;
}

.yt-landing__lead {
  font-size: clamp(16px, 1.8vw, 18px);
  line-height: 1.6;
  color: var(--yt-fg-secondary);
  max-width: 82ch;
  margin-bottom: 28px;
  text-wrap: pretty;
}

.yt-landing__lead strong {
  color: var(--yt-fg);
  font-weight: 500;
}

.yt-landing__cta {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}

/* -- Live / High-Level Stats --------------------------------------------- */
.yt-landing__stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
}

.yt-landing__stat {
  background: var(--yt-bg-elevated);
  border: 1px solid var(--yt-border);
  border-radius: var(--yt-radius-md);
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
}

.yt-landing__stat-value {
  font-size: 26px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--yt-fg);
}

.yt-landing__stat-label {
  font-size: 13px;
  font-weight: 500;
  color: var(--yt-fg-secondary);
  margin-top: 4px;
}

.yt-landing__stat-sub {
  font-size: 11px;
  color: var(--yt-fg-secondary);
  opacity: 0.8;
  margin-top: 4px;
}


/* -- Sections ------------------------------------------------------------- */
.yt-landing__section {
  margin-bottom: 56px;
  scroll-margin-top: calc(var(--yt-masthead-h) + 24px);
}

.yt-landing__section-head {
  margin-bottom: 24px;
}

.yt-landing__kicker {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--yt-accent);
  margin-bottom: 8px;
}

.yt-landing__heading {
  font-size: clamp(22px, 2.6vw, 30px);
  font-weight: 700;
  line-height: 1.25;
  color: var(--yt-fg);
  margin-bottom: 10px;
}

.yt-landing__subheading {
  font-size: 16px;
  line-height: 1.55;
  color: var(--yt-fg-secondary);
  max-width: 82ch;
}

/* -- Prose & Long-form text ---------------------------------------------- */
.yt-landing__prose {
  font-size: 15px;
  line-height: 1.7;
  color: var(--yt-fg-secondary);
}

.yt-landing__prose p {
  margin-bottom: 16px;
}

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

.yt-landing__prose strong {
  color: var(--yt-fg);
  font-weight: 500;
}

.yt-landing__prose a {
  color: var(--yt-accent);
  text-decoration: underline;
}

.yt-landing__prose code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 13px;
  padding: 2px 6px;
  border-radius: 4px;
  background: var(--yt-bg-chip);
  color: var(--yt-fg);
  border: 1px solid var(--yt-border);
}

/* -- Feature Card Grid ---------------------------------------------------- */
.yt-landing__card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-top: 20px;
}

.yt-landing__card {
  background: var(--yt-bg-elevated);
  border: 1px solid var(--yt-border);
  border-radius: var(--yt-radius-md);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: border-color var(--yt-transition), background var(--yt-transition);
}

.yt-landing__card:hover {
  border-color: var(--yt-accent);
  background: var(--yt-bg-hover);
}

.yt-landing__card-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--yt-radius-sm);
  background: var(--yt-bg-chip);
  color: var(--yt-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.yt-landing__card-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--yt-fg);
  line-height: 1.3;
}

.yt-landing__card-desc {
  font-size: 14px;
  line-height: 1.6;
  color: var(--yt-fg-secondary);
}

/* -- Pipeline Steps ------------------------------------------------------- */
.yt-landing__steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 20px;
  margin-top: 20px;
}

.yt-landing__step {
  background: var(--yt-bg-elevated);
  border: 1px solid var(--yt-border);
  border-radius: var(--yt-radius-md);
  padding: 22px;
  position: relative;
}

.yt-landing__step-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.yt-landing__step-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--yt-brand);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  flex-shrink: 0;
}

.yt-landing__step-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--yt-fg);
}

.yt-landing__step-text {
  font-size: 14px;
  line-height: 1.6;
  color: var(--yt-fg-secondary);
}

.yt-landing__step-code {
  margin-top: 10px;
  padding: 8px 12px;
  background: var(--yt-bg-chip);
  border-radius: var(--yt-radius-sm);
  font-family: ui-monospace, monospace;
  font-size: 12px;
  color: var(--yt-fg);
  word-break: break-all;
}

/* -- Table Formatting ----------------------------------------------------- */
.yt-landing__table-wrap {
  overflow-x: auto;
  border: 1px solid var(--yt-border);
  border-radius: var(--yt-radius-md);
  background: var(--yt-bg-elevated);
  margin-top: 20px;
}

.yt-landing__table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 14px;
}

.yt-landing__table th,
.yt-landing__table td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--yt-border);
}

.yt-landing__table th {
  background: var(--yt-bg-chip);
  color: var(--yt-fg);
  font-weight: 600;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.yt-landing__table tr:last-child td {
  border-bottom: 0;
}

.yt-landing__table td {
  color: var(--yt-fg-secondary);
  line-height: 1.5;
}

.yt-landing__table td strong {
  color: var(--yt-fg);
  font-weight: 500;
}

/* -- Callout Box ---------------------------------------------------------- */
.yt-landing__callout {
  background: var(--yt-bg-elevated);
  border-left: 4px solid var(--yt-brand);
  border-radius: 0 var(--yt-radius-md) var(--yt-radius-md) 0;
  padding: 20px 24px;
  margin: 24px 0;
}

.yt-landing__callout-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--yt-fg);
  margin-bottom: 8px;
}

.yt-landing__callout-text {
  font-size: 14px;
  line-height: 1.6;
  color: var(--yt-fg-secondary);
}

/* -- FAQ Accordion -------------------------------------------------------- */
.yt-landing__faq {
  margin-top: 20px;
}

.yt-landing__faq .yt-details {
  background: var(--yt-bg-elevated);
  border: 1px solid var(--yt-border);
  border-radius: var(--yt-radius-sm);
  margin-bottom: 10px;
}

.yt-landing__faq .yt-details > summary {
  padding: 16px 20px;
  font-size: 15px;
  font-weight: 500;
  color: var(--yt-fg);
  cursor: pointer;
}

.yt-landing__faq .yt-details > summary:hover {
  color: var(--yt-accent);
}

.yt-landing__faq .yt-details__body {
  padding: 0 20px 18px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--yt-fg-secondary);
}

/* -- Quicklinks Matrix ---------------------------------------------------- */
.yt-landing__links-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
  margin-top: 16px;
}

.yt-landing__link-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  border-radius: var(--yt-radius-sm);
  border: 1px solid var(--yt-border);
  background: var(--yt-bg-elevated);
  color: var(--yt-fg);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  transition: all var(--yt-transition);
}

.yt-landing__link-btn:hover {
  background: var(--yt-bg-hover);
  border-color: var(--yt-accent);
  color: var(--yt-accent);
}

/* -- Responsive tweaks ---------------------------------------------------- */
@media (max-width: 768px) {
  .yt-landing {
    padding: 16px 12px 48px;
  }

  .yt-landing__hero {
    margin-bottom: 36px;
    padding-bottom: 24px;
  }

  .yt-landing__title {
    font-size: 26px;
  }

  .yt-landing__lead {
    font-size: 15px;
  }

  .yt-landing__cta {
    flex-direction: column;
    align-items: stretch;
  }

  .yt-landing__cta .yt-btn {
    width: 100%;
  }

  .yt-landing__card-grid,
  .yt-landing__steps {
    grid-template-columns: 1fr;
  }

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