/* ============================================
   АМИСТ — Blog System (Phase A Foundation)
   Landing listing hero + sticky hubbar + editorial grid
   ============================================ */

.news-landing-hero {
  position: relative;
  min-height: 62vh;
  max-height: 760px;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}

.news-landing-hero__media,
.news-landing-hero__media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.news-landing-hero__media img {
  object-fit: cover;
  object-position: center 42%;
}

.news-landing-hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(4, 13, 26, 0.9) 0%, rgba(4, 13, 26, 0.5) 45%, rgba(4, 13, 26, 0.15) 100%);
}

.news-landing-hero__content {
  position: relative;
  z-index: 1;
  color: var(--color-text-on-dark);
  padding-bottom: var(--space-16);
}

.news-landing-hero__label {
  display: inline-block;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 5px 12px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.24);
  margin-bottom: var(--space-4);
}

.news-landing-hero__title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4.8vw, 4rem);
  line-height: 1.05;
  margin: 0 0 var(--space-4);
  max-width: 900px;
}

.news-landing-hero__subtitle {
  margin: 0 0 var(--space-6);
  max-width: 760px;
  font-size: clamp(1rem, 1.2vw, 1.2rem);
  color: rgba(255, 255, 255, 0.88);
  line-height: 1.6;
}

.news-landing-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.news-listing {
  padding-top: var(--space-10);
}

.blog-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}

@media (min-width: 640px) {
  .blog-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Tablet breakpoint */
@media (min-width: 768px) and (max-width: 1023px) {
  .blog-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }

  .blog-hubbar {
    justify-content: center;
    flex-wrap: wrap;
  }

  .blog-hero__title {
    font-size: 2rem;
  }

  .blog-hero__desc {
    font-size: 1.1rem;
  }
}

@media (min-width: 1024px) {
  .blog-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.blog-card {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
}

.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.blog-card__image {
  aspect-ratio: 16/10;
  overflow: hidden;
}

.blog-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.blog-card:hover .blog-card__image img {
  transform: scale(1.05);
}

.blog-card__body {
  padding: var(--space-5) var(--space-6);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.blog-card__date {
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2);
}

.blog-card__title {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  color: var(--color-primary-800);
  line-height: var(--leading-tight);
  margin-bottom: var(--space-2);
}

.blog-card__excerpt {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.blog-card__link {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-accent);
  margin-top: var(--space-4);
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
}

.blog-card__hub {
  display: inline-block;
  font-size: 11px;
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 2px 10px;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-2);
}

.blog-card__hub--sakhalin { background: #E0EDFF; color: #1A3A6B; }
.blog-card__hub--kurily { background: #D4F4E0; color: #0F5132; }
.blog-card__hub--china { background: #FFE4E4; color: #991B1B; }
.blog-card__hub--company { background: #F3E8FF; color: #5B21B6; }

.blog-hubbar {
  position: sticky;
  top: 72px;
  z-index: calc(var(--z-header) - 1);
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  justify-content: center;
  padding: var(--space-3) var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  margin-bottom: var(--space-8);
  box-shadow: 0 10px 28px rgba(10, 25, 56, 0.08);
}

.blog-filters__count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 20px;
  height: 20px;
  padding: 0 6px;
  margin-left: 8px;
  border-radius: 99px;
  background: rgba(11, 29, 58, 0.08);
  font-size: 11px;
  font-weight: var(--font-semibold);
}

.blog-filters__btn {
  background: none;
  border: 1.5px solid var(--color-neutral-300);
  border-radius: var(--radius-full);
  padding: var(--space-2) var(--space-5);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition-base);
}

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

.blog-filters__btn--active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-text-on-dark);
}

.blog-filters__btn:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.blog-results-status {
  margin: var(--space-6) 0 var(--space-10);
  text-align: center;
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
}

.blog-grid--editorial {
  gap: var(--space-7);
}

@media (min-width: 1024px) {
  .blog-grid--editorial {
    grid-template-columns: repeat(12, minmax(0, 1fr));
  }

  .blog-card--featured {
    grid-column: span 7;
  }

  .blog-card--secondary {
    grid-column: span 5;
  }

  .blog-grid--editorial .blog-card:not(.blog-card--featured):not(.blog-card--secondary) {
    grid-column: span 4;
  }
}

.blog-spotlight {
  margin-top: var(--space-8);
}

.blog-spotlight__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-5);
}

.blog-spotlight__title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: clamp(1.3rem, 2.5vw, 2rem);
  color: var(--color-primary-800);
}

.blog-spotlight__more {
  color: var(--color-accent);
  font-size: var(--text-sm);
  text-decoration: none;
}

.blog-spotlight__rail {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(240px, 300px);
  gap: var(--space-4);
  overflow-x: auto;
  padding-bottom: var(--space-3);
}

.blog-spotlight-card {
  display: block;
  text-decoration: none;
  color: var(--color-primary-800);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.blog-spotlight-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}

.blog-spotlight-card img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
}

.blog-spotlight-card span {
  display: block;
  padding: var(--space-4);
  font-size: var(--text-sm);
  line-height: 1.5;
}

.blog-series {
  margin-top: var(--space-12);
}

.blog-series__head {
  margin-bottom: var(--space-5);
}

.blog-series__title {
  margin: 0 0 var(--space-2);
  font-family: var(--font-heading);
  font-size: clamp(1.3rem, 2.2vw, 2rem);
  color: var(--color-primary-800);
}

.blog-series__subtitle {
  margin: 0;
  color: var(--color-text-secondary);
  max-width: 760px;
}

.blog-series__grid {
  display: grid;
  grid-template-columns: repeat(1, minmax(0, 1fr));
  gap: var(--space-4);
}

@media (min-width: 900px) {
  .blog-series__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.blog-series-card {
  display: block;
  text-decoration: none;
  color: inherit;
  background: linear-gradient(160deg, var(--color-primary-600) 0%, var(--color-primary-700) 100%);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-card);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.blog-series-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-xl);
}

.blog-series-card__kicker {
  display: inline-block;
  color: rgba(255, 255, 255, 0.8);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: var(--space-3);
}

.blog-series-card__title {
  margin: 0 0 var(--space-3);
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  color: var(--color-text-on-dark);
}

.blog-series-card__text {
  margin: 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
}

@media (max-width: 768px) {
  .news-landing-hero {
    min-height: 56vh;
  }

  .news-landing-hero__content {
    padding-bottom: var(--space-10);
  }

  .blog-hubbar {
    top: 64px;
    justify-content: flex-start;
    overflow-x: auto;
    white-space: nowrap;
    flex-wrap: nowrap;
  }
}


.news-landing-overview {
  padding: 2rem 0 1rem;
  background: linear-gradient(180deg, rgba(8, 24, 50, 0.04) 0%, rgba(8, 24, 50, 0) 100%);
}

.news-landing-overview__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.9rem;
  margin-bottom: 0.9rem;
}

.news-overview-stat {
  border: 1px solid rgba(12, 37, 77, 0.12);
  border-radius: 16px;
  padding: 1rem 1.1rem;
  background: var(--color-bg);
  box-shadow: 0 8px 24px rgba(10, 25, 56, 0.06);
}

.news-overview-stat__value {
  display: block;
  font: 700 1.4rem/1.1 'Playfair Display', serif;
  color: var(--color-primary-700);
}

.news-overview-stat__label {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

.news-landing-overview__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.news-topic-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2rem;
  padding: 0.3rem 0.75rem;
  border-radius: 999px;
  border: 1px solid rgba(12, 37, 77, 0.14);
  background: rgba(255, 255, 255, 0.92);
  color: var(--color-primary-600);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.85rem;
}

.news-topic-chip:hover,
.news-topic-chip:focus-visible {
  border-color: rgba(12, 37, 77, 0.3);
  background: var(--color-bg);
}

.news-topic-chip--active,
.news-topic-chip[aria-current="true"] {
  border-color: rgba(12, 37, 77, 0.38);
  background: var(--color-primary-600);
  color: var(--color-text-on-dark);
}

@media (max-width: 860px) {
  .news-landing-overview__stats {
    grid-template-columns: 1fr;
  }
}


.blog-toolbar {
  display: grid;
  grid-template-columns: 1fr minmax(220px, 280px);
  gap: 0.8rem;
  margin: 1rem 0 1.1rem;
}

.blog-toolbar__search,
.blog-toolbar__sort {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.blog-toolbar__label {
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  font-weight: 700;
}

.blog-toolbar input,
.blog-toolbar select {
  min-height: 2.55rem;
  border-radius: 12px;
  border: 1px solid rgba(12, 37, 77, 0.16);
  background: var(--color-bg);
  padding: 0.55rem 0.8rem;
  font-size: 0.94rem;
  color: var(--color-primary-700);
}

.blog-toolbar input:focus,
.blog-toolbar select:focus {
  outline: 2px solid rgba(17, 85, 204, 0.3);
  outline-offset: 1px;
}

.blog-toolbar input:focus-visible,
.blog-toolbar select:focus-visible {
  outline: 2px solid rgba(17, 85, 204, 0.45);
  outline-offset: 2px;
}

.blog-empty-state {
  border: 1px dashed rgba(12, 37, 77, 0.24);
  border-radius: 14px;
  padding: 1rem;
  margin: 1rem 0 0.6rem;
  background: rgba(246, 249, 255, 0.9);
}

.blog-empty-state__title {
  margin: 0;
  font-size: 1.05rem;
  color: var(--color-primary-700);
}

.blog-empty-state__text {
  margin: 0.35rem 0 0;
  color: var(--color-text-secondary);
}

.blog-empty-state__reset {
  margin-top: 0.75rem;
}

@media (max-width: 860px) {
  .blog-toolbar {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .blog-card,
  .blog-filters__btn,
  .news-topic-chip {
    transition: none !important;
    animation: none !important;
    transform: none !important;
  }
}