/* ===== RELEASE NOTES PAGE ===== */
/* Matches the Loki-style landing page aesthetic */

.release-notes-page {
  background: #ffffff;
  padding: 7.5rem 1.5rem 4rem;
  min-height: 100vh;
}

/* Hero */
.release-notes-hero {
  margin: 0 auto 3.5rem;
  max-width: 720px;
  text-align: center;
}

.release-notes-hero-inner {
  background: transparent;
  padding: 0;
}

.release-notes-eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.75rem;
  font-weight: 700;
  color: #1e3a8a;
  margin-bottom: 0.75rem;
}

.release-notes-title {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  color: #0f172a;
  margin: 0 0 0.75rem;
  font-weight: 400;
}

.release-notes-sub {
  font-size: 1rem;
  color: #64748b;
  max-width: 520px;
  margin: 0 auto 1.5rem;
  line-height: 1.6;
}

.release-notes-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  justify-content: center;
  color: #94a3b8;
  font-size: 0.85rem;
  font-weight: 500;
}

.release-notes-link {
  color: #1e40af;
  text-decoration: none;
  font-weight: 600;
  transition: color 0.2s ease;
}

.release-notes-link:hover {
  color: #2563eb;
}

/* Timeline layout */
.release-notes-timeline {
  max-width: 680px;
  margin: 0 auto;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0;
}

/* Vertical line */
.release-notes-timeline::before {
  content: '';
  position: absolute;
  top: 0;
  left: 19px;
  bottom: 0;
  width: 2px;
  background: #e2e8f0;
}

/* Each release entry */
.release-entry {
  position: relative;
  padding-left: 52px;
  padding-bottom: 2.5rem;
}

.release-entry:last-child {
  padding-bottom: 0;
}

/* Timeline dot */
.release-entry-dot {
  position: absolute;
  left: 10px;
  top: 4px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #e2e8f0;
  border: 3px solid #ffffff;
  box-shadow: 0 0 0 2px #e2e8f0;
  z-index: 1;
}

.release-entry--current .release-entry-dot {
  background: #1e40af;
  box-shadow: 0 0 0 2px #1e40af, 0 0 0 5px rgba(30, 64, 175, 0.12);
}

/* Toggle button */
.release-entry-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  text-align: left;
  margin-bottom: 0.5rem;
}

.release-entry-toggle:hover .release-chevron {
  color: #1e40af;
}

/* Chevron */
.release-chevron {
  color: #94a3b8;
  flex-shrink: 0;
  transition: transform 0.25s ease, color 0.2s ease;
}

.release-entry-toggle[aria-expanded="true"] .release-chevron {
  transform: rotate(180deg);
}

/* Entry header (inside toggle) */
.release-entry-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.release-entry h2 {
  font-family: 'Inter', -apple-system, sans-serif;
  font-size: 1.125rem;
  font-weight: 700;
  color: #0f172a;
  margin: 0;
}

.release-tag {
  display: inline-flex;
  align-items: center;
  padding: 3px 8px;
  border-radius: 999px;
  background: rgba(30, 64, 175, 0.1);
  color: #1e40af;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.release-tag--muted {
  background: rgba(71, 85, 105, 0.08);
  color: #64748b;
}

.release-date {
  font-size: 0.8rem;
  color: #94a3b8;
  font-weight: 500;
}

/* Entry body (collapsible) */
.release-entry-body {
  overflow: hidden;
}

.release-entry-body[hidden] {
  display: none;
}

.release-summary {
  margin: 0 0 0.75rem;
  color: #475569;
  font-size: 0.9rem;
  line-height: 1.6;
}

.release-list {
  margin: 0;
  padding-left: 1.1rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  color: #64748b;
  font-size: 0.875rem;
  line-height: 1.55;
}

.release-list li::marker {
  color: #cbd5e1;
}

/* Mobile */
@media (max-width: 768px) {
  .release-notes-page {
    padding: 5rem 1rem 3rem;
  }

  .release-notes-timeline::before {
    left: 15px;
  }

  .release-entry {
    padding-left: 44px;
    padding-bottom: 2rem;
  }

  .release-entry-dot {
    left: 6px;
    width: 18px;
    height: 18px;
  }
}