/* ============================================
   Blog Page — NCS Brand Aligned
   ============================================ */

.blog-hero {
  position: relative;
  min-height: 50vh;
  display: flex;
  align-items: center;
  padding: 120px 0 72px;
  overflow: hidden;
}

.blog-hero__bg {
  position: absolute;
  inset: 0;
  background: var(--gradient-brand);
  z-index: -1;
}

.blog-hero__bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 75% 30%, rgba(0, 173, 239, 0.18) 0%, transparent 45%),
    radial-gradient(circle at 15% 70%, rgba(158, 42, 141, 0.12) 0%, transparent 50%);
}

.blog-hero__content {
  max-width: 680px;
}

.blog-hero__badge {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50px;
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

.blog-hero__title {
  font-size: clamp(2.25rem, 5vw, 3.25rem);
  font-weight: 800;
  color: var(--ncs-white);
  line-height: 1.1;
  margin-bottom: 1.25rem;
}

.blog-hero__desc {
  font-size: 1.0625rem;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.7;
}

/* Filters */
.blog-filters {
  background: var(--ncs-white);
  border-bottom: 1px solid var(--ncs-border);
  position: sticky;
  top: 72px;
  z-index: 50;
  box-shadow: var(--shadow-sm);
}

.blog-filters__inner {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  padding: 1rem 0;
}

.blog-filter-btn {
  padding: 0.5rem 1rem;
  border-radius: 50px;
  border: 1px solid var(--ncs-border);
  background: var(--ncs-white);
  color: var(--ncs-gray-light);
  font-family: var(--font);
  font-size: 0.8125rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
}

.blog-filter-btn:hover,
.blog-filter-btn.active {
  background: rgba(0, 173, 239, 0.1);
  border-color: var(--ncs-blue);
  color: var(--ncs-navy);
}

.blog-search {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--ncs-off-white);
  border: 1px solid var(--ncs-border);
  border-radius: 50px;
  padding: 0.5rem 1rem;
  margin-left: auto;
  min-width: 220px;
  transition: border-color var(--transition);
}

.blog-search:focus-within {
  border-color: var(--ncs-blue);
}

.blog-search input {
  border: none;
  background: none;
  outline: none;
  font-family: var(--font);
  font-size: 0.875rem;
  width: 100%;
  color: var(--ncs-gray);
}

/* Blog Layout */
.blog-section {
  padding: 3.5rem 0 5rem;
  background: var(--ncs-off-white);
}

.blog-featured {
  margin-bottom: 2.5rem;
}

.featured-post {
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: var(--ncs-white);
  border: 1px solid var(--ncs-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: all var(--transition);
}

.featured-post:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
  border-color: var(--ncs-blue);
}

.featured-post__visual {
  min-height: 280px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  position: relative;
}

.featured-post__visual--blue { background: linear-gradient(135deg, var(--ncs-navy-deep), var(--ncs-blue)); }
.featured-post__visual--magenta { background: var(--gradient-rocket); }
.featured-post__visual--teal { background: linear-gradient(135deg, var(--ncs-teal), var(--ncs-blue)); }

.featured-post__icon {
  font-size: 4rem;
  opacity: 0.9;
}

.featured-post__badge {
  position: absolute;
  top: 1.25rem;
  left: 1.25rem;
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(6px);
  color: var(--ncs-white);
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.375rem 0.75rem;
  border-radius: 50px;
  border: 1px solid rgba(255, 255, 255, 0.25);
}

.featured-post__content {
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.featured-post__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1rem;
  font-size: 0.8125rem;
  color: var(--ncs-gray-light);
}

.featured-post__category {
  color: var(--ncs-magenta);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.75rem;
}

.featured-post__title {
  font-size: 1.625rem;
  font-weight: 800;
  color: var(--ncs-navy);
  line-height: 1.25;
  margin-bottom: 1rem;
}

.featured-post__excerpt {
  font-size: 0.9375rem;
  color: var(--ncs-gray-light);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.featured-post__link {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--ncs-blue);
  transition: color var(--transition);
}

.featured-post:hover .featured-post__link {
  color: var(--ncs-magenta);
}

/* Blog Grid */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
}

.blog-card {
  background: var(--ncs-white);
  border: 1px solid var(--ncs-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}

.blog-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
  border-color: var(--ncs-blue);
}

.blog-card__visual {
  height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
}

.blog-card__visual--blue { background: linear-gradient(135deg, rgba(13, 71, 161, 0.15), rgba(0, 173, 239, 0.2)); }
.blog-card__visual--magenta { background: rgba(158, 42, 141, 0.12); }
.blog-card__visual--teal { background: rgba(0, 169, 157, 0.12); }
.blog-card__visual--navy { background: rgba(27, 54, 93, 0.12); }

.blog-card__body {
  padding: 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.blog-card__meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
  font-size: 0.75rem;
}

.blog-card__category {
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ncs-magenta);
}

.blog-card__date {
  color: var(--ncs-gray-muted);
}

.blog-card__title {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--ncs-navy);
  line-height: 1.35;
  margin-bottom: 0.75rem;
}

.blog-card__excerpt {
  font-size: 0.875rem;
  color: var(--ncs-gray-light);
  line-height: 1.65;
  margin-bottom: 1.25rem;
  flex: 1;
}

.blog-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
  margin-bottom: 1rem;
}

.blog-card__tag {
  font-size: 0.6875rem;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  background: var(--ncs-off-white);
  border: 1px solid var(--ncs-border);
  color: var(--ncs-gray-light);
}

.blog-card__read {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--ncs-blue);
}

.blog-card:hover .blog-card__read {
  color: var(--ncs-magenta);
}

.blog-empty {
  text-align: center;
  padding: 4rem 1.5rem;
  display: none;
}

.blog-empty h3 {
  font-size: 1.375rem;
  color: var(--ncs-navy);
  margin-bottom: 0.5rem;
}

.blog-empty p {
  color: var(--ncs-gray-light);
}

/* Newsletter */
.blog-newsletter {
  background: var(--gradient-brand);
  padding: 3.5rem 0;
}

.blog-newsletter__inner {
  text-align: center;
  max-width: 520px;
  margin: 0 auto;
}

.blog-newsletter__title {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--ncs-white);
  margin-bottom: 0.75rem;
}

.blog-newsletter__desc {
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 1.5rem;
  font-size: 0.9375rem;
}

.blog-newsletter__form {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  justify-content: center;
}

.blog-newsletter__form input {
  flex: 1;
  min-width: 220px;
  max-width: 320px;
  padding: 0.875rem 1.25rem;
  border-radius: 50px;
  border: none;
  font-family: var(--font);
  font-size: 0.9375rem;
}

/* Post Modal */
.post-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(27, 54, 93, 0.88);
  backdrop-filter: blur(6px);
  z-index: 2000;
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding: 2rem 1.5rem;
  overflow-y: auto;
}

.post-modal-overlay.open {
  display: flex;
}

.post-modal {
  background: var(--ncs-white);
  border-radius: var(--radius-lg);
  max-width: 760px;
  width: 100%;
  margin: auto;
  overflow: hidden;
}

.post-modal__header {
  background: var(--gradient-brand);
  padding: 2.5rem 2rem 2rem;
  position: relative;
}

.post-modal__close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: none;
  background: rgba(255, 255, 255, 0.15);
  color: var(--ncs-white);
  font-size: 1.25rem;
  cursor: pointer;
  transition: background var(--transition);
}

.post-modal__close:hover {
  background: rgba(255, 255, 255, 0.25);
}

.post-modal__category {
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ncs-blue);
  margin-bottom: 0.625rem;
}

.post-modal__title {
  font-size: clamp(1.375rem, 3vw, 1.875rem);
  font-weight: 800;
  color: var(--ncs-white);
  line-height: 1.25;
  margin-bottom: 1rem;
  padding-right: 2rem;
}

.post-modal__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.8);
}

.post-modal__body {
  padding: 2rem;
}

.post-modal__body h3 {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--ncs-navy);
  margin: 1.5rem 0 0.75rem;
}

.post-modal__body h3:first-child {
  margin-top: 0;
}

.post-modal__body p {
  font-size: 0.9375rem;
  color: var(--ncs-gray-light);
  line-height: 1.75;
  margin-bottom: 1rem;
}

.post-modal__body ul {
  margin: 0 0 1rem 1.25rem;
}

.post-modal__body ul li {
  font-size: 0.9375rem;
  color: var(--ncs-gray-light);
  line-height: 1.65;
  margin-bottom: 0.5rem;
}

.post-modal__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--ncs-border);
  margin-top: 1rem;
}

.post-modal__tag {
  font-size: 0.75rem;
  padding: 0.375rem 0.75rem;
  border-radius: 50px;
  background: rgba(0, 173, 239, 0.1);
  color: var(--ncs-navy);
  font-weight: 500;
}

@media (max-width: 768px) {
  .featured-post {
    grid-template-columns: 1fr;
  }

  .featured-post__visual {
    min-height: 180px;
  }

  .blog-search {
    margin-left: 0;
    width: 100%;
  }

  .blog-filters__inner {
    flex-direction: column;
    align-items: stretch;
  }

  .blog-filter-btn {
    text-align: center;
  }
}