/* ==========================================================================
   CAT360 Blog — Supplementary Styles
   Loaded only on blog pages. Uses design tokens from main.css.
   ========================================================================== */

/* ── Blog Content Layout (TOC sidebar + main article) ─────────────────── */

.blog-content__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  max-width: 48rem;
  margin: 0 auto;
}

@media (min-width: 992px) {
  .blog-content__layout {
    max-width: none;
    grid-template-columns: 14rem 1fr;
    gap: var(--space-xxl);
  }

  .blog-content__main {
    max-width: 48rem;
  }
}

/* ── Table of Contents ────────────────────────────────────────────────── */

.blog-toc {
  display: none;
}

@media (min-width: 992px) {
  .blog-toc {
    display: block;
    position: sticky;
    top: calc(var(--nav-height) + var(--space-lg));
    align-self: start;
    max-height: calc(100vh - var(--nav-height) - var(--space-xxl));
    overflow-y: auto;
  }
}

.blog-toc__heading {
  font-family: var(--font-primary);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--purple-heading);
  margin-bottom: var(--space-sm);
}

.blog-toc__list {
  list-style: none;
  padding: 0;
  margin: 0;
  border-left: 2px solid var(--gold-light);
}

.blog-toc__link {
  display: block;
  padding: 0.35rem 0 0.35rem var(--space-sm);
  font-size: 0.825rem;
  line-height: 1.4;
  color: var(--purple-primary);
  text-decoration: none;
  border-left: 2px solid transparent;
  margin-left: -2px;
  transition: color 0.2s, border-color 0.2s;
}

.blog-toc__link:hover,
.blog-toc__link.is-active {
  color: var(--purple-accent);
  border-left-color: var(--purple-accent);
}

/* ── Inline CTA ───────────────────────────────────────────────────────── */

.blog-cta-inline {
  background: linear-gradient(135deg, rgba(133, 71, 250, 0.08), rgba(133, 71, 250, 0.04));
  border: 1px solid rgba(133, 71, 250, 0.15);
  border-radius: var(--border-radius);
  padding: var(--space-lg);
  margin: var(--space-xl) 0;
  text-align: center;
}

.blog-cta-inline__heading {
  font-family: var(--font-primary);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--purple-heading);
  margin: 0 0 var(--space-xs);
}

.blog-cta-inline__text {
  color: var(--purple-primary);
  margin: 0 0 var(--space-md);
  font-size: 0.95rem;
  opacity: 0.85;
}

/* ── Newsletter Signup ────────────────────────────────────────────────── */

.blog-newsletter {
  background: var(--off-white);
  border-radius: var(--border-radius);
  padding: var(--space-lg);
  margin-top: var(--space-xl);
}

.blog-newsletter__heading {
  font-family: var(--font-primary);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--purple-heading);
  margin: 0 0 var(--space-xs);
}

.blog-newsletter__text {
  color: var(--purple-primary);
  font-size: 0.9rem;
  opacity: 0.8;
  margin: 0 0 var(--space-md);
}

.blog-newsletter__row {
  display: flex;
  gap: var(--space-xs);
}

.blog-newsletter__input {
  flex: 1;
  padding: 0.65rem var(--space-sm);
  border: 1px solid rgba(65, 29, 77, 0.2);
  border-radius: var(--border-radius);
  font-family: var(--font-secondary);
  font-size: 0.9rem;
  background: var(--white);
}

.blog-newsletter__input:focus {
  outline: none;
  border-color: var(--purple-accent);
  box-shadow: 0 0 0 3px rgba(133, 71, 250, 0.15);
}

.blog-newsletter__btn {
  white-space: nowrap;
}

.blog-newsletter__success {
  color: var(--success-green);
  font-weight: 600;
  margin-top: var(--space-sm);
}

@media (max-width: 479px) {
  .blog-newsletter__row {
    flex-direction: column;
  }
}

/* ── Gated Content ────────────────────────────────────────────────────── */

.blog-gated {
  margin: var(--space-xl) 0;
}

.blog-gated__card {
  background: var(--form-bg);
  border: 1px solid rgba(65, 29, 77, 0.12);
  border-radius: var(--border-radius);
  padding: var(--space-lg);
  text-align: center;
}

.blog-gated__icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-xs);
}

.blog-gated__title {
  font-family: var(--font-primary);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--purple-heading);
  margin: 0 0 var(--space-xs);
}

.blog-gated__text {
  color: var(--purple-primary);
  opacity: 0.8;
  margin: 0 0 var(--space-md);
  font-size: 0.9rem;
}

/* Modal overlay */
.blog-gated__overlay {
  position: fixed;
  inset: 0;
  background: rgba(57, 24, 71, 0.6);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-md);
}

.blog-gated__overlay[hidden] {
  display: none;
}

.blog-gated__modal {
  background: var(--white);
  border-radius: var(--border-radius);
  padding: var(--space-xl);
  max-width: 28rem;
  width: 100%;
  position: relative;
}

.blog-gated__close {
  position: absolute;
  top: var(--space-sm);
  right: var(--space-sm);
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--purple-primary);
  line-height: 1;
}

.blog-gated__form label {
  display: block;
  margin-bottom: var(--space-sm);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--purple-heading);
}

.blog-gated__input {
  width: 100%;
  padding: 0.65rem var(--space-sm);
  border: 1px solid rgba(65, 29, 77, 0.2);
  border-radius: var(--border-radius);
  font-family: var(--font-secondary);
  font-size: 0.9rem;
  margin-top: 0.25rem;
  box-sizing: border-box;
}

.blog-gated__input:focus {
  outline: none;
  border-color: var(--purple-accent);
  box-shadow: 0 0 0 3px rgba(133, 71, 250, 0.15);
}

.blog-gated__success {
  text-align: center;
  color: var(--success-green);
  font-weight: 600;
}

.blog-gated__download {
  color: var(--purple-accent);
  font-weight: 700;
}

/* ── Social Share ─────────────────────────────────────────────────────── */

.blog-share {
  display: flex;
  gap: var(--space-xs);
  margin-top: var(--space-sm);
}

.blog-share__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  background: var(--off-white);
  color: var(--purple-primary);
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: background-color 0.2s, color 0.2s;
}

.blog-share__btn:hover {
  background: var(--purple-accent);
  color: var(--white);
}

/* ── Sticky CTA Bar ───────────────────────────────────────────────────── */

.blog-sticky-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 900;
  background: var(--purple-dark);
  border-top: 2px solid var(--gold);
  transform: translateY(100%);
  transition: transform 0.3s ease;
}

.blog-sticky-cta.is-visible {
  transform: translateY(0);
}

.blog-sticky-cta[hidden] {
  display: none;
}

.blog-sticky-cta__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: var(--space-sm) var(--container-padding);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
}

.blog-sticky-cta__text {
  color: var(--white);
  margin: 0;
  font-size: 0.9rem;
}

.blog-sticky-cta__dismiss {
  background: none;
  border: none;
  color: rgba(255, 255, 255, 0.6);
  font-size: 1.25rem;
  cursor: pointer;
  padding: 0.25rem;
  line-height: 1;
}

.blog-sticky-cta__dismiss:hover {
  color: var(--white);
}

.btn--sm {
  padding: 0.45rem 1.25rem;
  font-size: 0.85rem;
}

@media (max-width: 767px) {
  .blog-sticky-cta__inner {
    flex-direction: column;
    gap: var(--space-xs);
    text-align: center;
  }

  .blog-sticky-cta__dismiss {
    position: absolute;
    top: var(--space-xs);
    right: var(--space-sm);
  }
}

/* ── Category Filter Bar ──────────────────────────────────────────────── */

.blog-filter {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.blog-filter__btn {
  font-family: var(--font-primary);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.5rem 1.25rem;
  border-radius: var(--border-radius-pill);
  border: 1px solid rgba(65, 29, 77, 0.2);
  background: var(--white);
  color: var(--purple-primary);
  cursor: pointer;
  transition: background-color 0.2s, color 0.2s, border-color 0.2s;
}

.blog-filter__btn:hover {
  border-color: var(--purple-accent);
  color: var(--purple-accent);
}

.blog-filter__btn.is-active {
  background: var(--purple-accent);
  color: var(--white);
  border-color: var(--purple-accent);
}

/* ── Blog Card Enhancements ───────────────────────────────────────────── */

.card--blog {
  transition: opacity 0.3s, transform 0.3s;
}

.card--blog.is-hidden {
  display: none;
}

.card__excerpt {
  font-size: 0.875rem;
  color: var(--purple-primary);
  opacity: 0.75;
  margin: var(--space-xs) 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}