/* ==========================================================================
   Brothers Net — Blog (podstrona)
   Inspiracja układem kart z dużym zdjęciem + overlay, własny styl BN
   ========================================================================== */

.blog-page {
  padding-top: var(--header-h);
}

.blog-hero {
  position: relative;
  padding: clamp(2.5rem, 6vw, 4.5rem) 0 clamp(2rem, 4vw, 3rem);
  overflow: hidden;
}

.blog-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 60% at 15% 20%, rgba(212, 175, 55, 0.12), transparent 55%),
    radial-gradient(ellipse 50% 50% at 90% 10%, rgba(42, 68, 112, 0.45), transparent 50%),
    linear-gradient(180deg, var(--navy-950) 0%, var(--navy-900) 100%);
  pointer-events: none;
  z-index: 0;
}

.blog-hero .container {
  position: relative;
  z-index: 1;
}

.blog-hero__eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold-400);
  margin-bottom: 0.75rem;
}

.blog-hero__title {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  font-weight: 600;
  line-height: 1.15;
  color: var(--white);
  max-width: 18ch;
  margin-bottom: 0.85rem;
}

.blog-hero__desc {
  max-width: 38rem;
  color: var(--gray-300);
  font-size: 1.05rem;
}

.blog-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.75rem;
}

.blog-filter {
  padding: 0.45rem 0.95rem;
  border: 1px solid rgba(184, 196, 212, 0.22);
  border-radius: var(--radius-sm);
  color: var(--gray-300);
  font-size: 0.875rem;
  font-weight: 500;
  transition: border-color var(--transition), color var(--transition), background var(--transition);
}

.blog-filter:hover,
.blog-filter:focus-visible {
  border-color: rgba(212, 175, 55, 0.55);
  color: var(--white);
  outline: none;
}

.blog-filter.is-active {
  border-color: var(--gold-400);
  color: var(--navy-950);
  background: var(--gold-400);
}

.blog-section {
  padding: 0 0 clamp(3.5rem, 8vw, 5.5rem);
}

.blog-featured {
  margin-bottom: clamp(2rem, 4vw, 2.75rem);
}

.blog-card {
  display: block;
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-md);
  background: var(--navy-800);
  isolation: isolate;
  transition: transform var(--transition), box-shadow var(--transition);
}

.blog-card:hover,
.blog-card:focus-visible {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md), var(--shadow-gold);
  outline: none;
}

.blog-card__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.blog-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.55s ease;
}

.blog-card:hover .blog-card__media img,
.blog-card:focus-visible .blog-card__media img {
  transform: scale(1.04);
}

.blog-card__overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(180deg, rgba(6, 13, 24, 0.15) 0%, rgba(6, 13, 24, 0.55) 45%, rgba(6, 13, 24, 0.92) 100%);
  pointer-events: none;
}

.blog-card__body {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 100%;
  padding: 1.35rem 1.35rem 1.5rem;
  color: var(--white);
}

.blog-card__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.85rem;
  margin-bottom: 0.65rem;
  font-size: 0.8rem;
  color: var(--gray-300);
}

.blog-card__cat {
  color: var(--gold-400);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 0.72rem;
}

.blog-card__title {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.2;
  color: var(--white);
  margin-bottom: 0.55rem;
}

.blog-card__excerpt {
  color: var(--gray-300);
  font-size: 0.95rem;
  line-height: 1.55;
  max-width: 42rem;
}

.blog-card--featured {
  min-height: clamp(22rem, 52vw, 28rem);
}

.blog-card--featured .blog-card__title {
  font-size: clamp(1.65rem, 3.5vw, 2.35rem);
  max-width: 22ch;
}

.blog-card--featured .blog-card__body {
  padding: clamp(1.5rem, 4vw, 2.5rem);
}

.blog-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

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

@media (min-width: 1024px) {
  .blog-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
  }
}

.blog-card--grid {
  min-height: 22rem;
}

.blog-card--grid .blog-card__title {
  font-size: clamp(1.2rem, 2vw, 1.45rem);
}

.blog-card--grid .blog-card__excerpt {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.blog-card[hidden] {
  display: none !important;
}

.blog-empty {
  display: none;
  margin-top: 1.5rem;
  color: var(--gray-400);
  text-align: center;
}

.blog-empty.is-visible {
  display: block;
}

/* Article
   -------------------------------------------------------------------------- */
.article-page {
  padding-top: var(--header-h);
}

.article-hero {
  position: relative;
  min-height: clamp(18rem, 48vw, 26rem);
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}

.article-hero__media {
  position: absolute;
  inset: 0;
}

.article-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.article-hero__overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(6, 13, 24, 0.25) 0%, rgba(6, 13, 24, 0.72) 55%, rgba(6, 13, 24, 0.96) 100%);
}

.article-hero__inner {
  position: relative;
  z-index: 1;
  width: 100%;
  padding: clamp(2rem, 5vw, 3.5rem) 0;
}

.article-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  margin-bottom: 0.85rem;
  font-size: 0.85rem;
  color: var(--gray-300);
}

.article-hero__cat {
  color: var(--gold-400);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.75rem;
}

.article-hero__title {
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 4.2vw, 3rem);
  font-weight: 600;
  line-height: 1.15;
  color: var(--white);
  max-width: 22ch;
}

.article-layout {
  padding: clamp(2rem, 5vw, 3.25rem) 0 clamp(3.5rem, 8vw, 5rem);
}

.article-content {
  max-width: 42rem;
  margin: 0 auto;
}

.article-content > p {
  color: var(--gray-300);
  font-size: 1.05rem;
  line-height: 1.75;
  margin-bottom: 1.25rem;
}

.article-content > p.article-lead {
  font-size: 1.15rem;
  color: var(--gray-100);
}

.article-content h2 {
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 2.5vw, 1.85rem);
  font-weight: 600;
  color: var(--white);
  margin: 2rem 0 0.85rem;
  line-height: 1.25;
}

.article-content ul {
  margin: 0 0 1.35rem 1.15rem;
  color: var(--gray-300);
  list-style: disc;
}

.article-content li {
  margin-bottom: 0.45rem;
  line-height: 1.6;
}

.article-cta {
  margin-top: 2.5rem;
  padding: 1.5rem 1.35rem;
  border: 1px solid rgba(212, 175, 55, 0.28);
  border-radius: var(--radius-md);
  background: linear-gradient(145deg, rgba(18, 34, 64, 0.9), rgba(10, 22, 40, 0.95));
  text-align: center;
}

.article-cta__title {
  font-family: var(--font-display);
  font-size: 1.45rem;
  color: var(--white);
  margin-bottom: 0.45rem;
}

.article-cta__text {
  color: var(--gray-300);
  margin-bottom: 1rem;
}

.article-cta .btn {
  display: inline-flex;
  justify-content: center;
  margin-inline: auto;
}

.article-back {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 1.5rem;
  color: var(--gray-300);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color var(--transition);
}

.article-back:hover,
.article-back:focus-visible {
  color: var(--gold-400);
  outline: none;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.nav__link.is-active {
  color: var(--gold-400);
}