/**
 * Style dla strony bloga - The Data Stream
 * Futurystyczny grid 4x3 z kartami artykułów
 */

:root {
  --blog-neon-cyan: #00f5ff;
  --blog-neon-purple: #8b5cf6;
  --blog-neon-pink: #ff00aa;
  --blog-bg-dark: #0a0a0f;
  --blog-text-primary: #e4e4e7;
  --font-display: 'Orbitron', 'Roboto', 'Share Tech Mono', sans-serif;
  --font-body: 'Lexend', 'Roboto', sans-serif;
}

.blog-wrap {
  position: relative;
  min-height: 100vh;
  background: var(--blog-bg-dark);
  color: var(--blog-text-primary);
  overflow-x: hidden;
}

/* ===== Spine (linia boczna) ===== */
.blog-spine {
  position: fixed;
  left: 2rem;
  top: 0;
  bottom: 0;
  width: 2px;
  z-index: 1;
  pointer-events: none;
}

.blog-spine-line {
  display: block;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    180deg,
    transparent 0%,
    var(--blog-neon-cyan) 20%,
    var(--blog-neon-cyan) 80%,
    transparent 100%
  );
  opacity: 0.3;
}

/* ===== Grid Overlay ===== */
.blog-grid-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    linear-gradient(rgba(0, 245, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 245, 255, 0.03) 1px, transparent 1px);
  background-size: 50px 50px;
  z-index: 0;
  pointer-events: none;
  animation: blog-grid-pulse 4s ease-in-out infinite;
}

@keyframes blog-grid-pulse {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 0.6; }
}

/* ===== Główna zawartość ===== */
.blog-main {
  position: relative;
  z-index: 2;
}

.blog-section {
  position: relative;
  padding: 4rem 2rem;
}

.blog-section-inner {
  max-width: 1300px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.blog-section-badge {
  position: absolute;
  right: 2rem;
  top: 2rem;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--blog-neon-cyan);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  z-index: 10;
  opacity: 0.6;
}

.blog-section-badge--hero {
  top: 50%;
  transform: translateY(-50%);
  right: 2rem;
  writing-mode: vertical-rl;
  text-orientation: mixed;
}

/* ===== Hero Sekcja ===== */
.blog-hero {
  min-height: 40vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6rem 2rem 4rem;
  background: radial-gradient(
    ellipse at center,
    rgba(0, 245, 255, 0.05) 0%,
    transparent 70%
  );
}

.blog-hero-content {
  text-align: center;
  max-width: 1000px;
  margin: 0 auto;
}

.blog-h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 4rem);
  font-weight: 900;
  color: var(--blog-neon-cyan);
  text-shadow: 
    0 0 30px rgba(0, 245, 255, 0.6),
    0 0 60px rgba(0, 245, 255, 0.3);
  margin-bottom: 1.5rem;
  letter-spacing: 0.15em;
  line-height: 1.2;
  text-transform: uppercase;
}

.blog-h1--decoding {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.blog-decoding-text {
  display: inline-block;
  min-height: 1.2em;
}

.blog-decoding-underline {
  display: block;
  height: 3px;
  background: linear-gradient(90deg, var(--blog-neon-cyan), var(--blog-neon-purple));
  border-radius: 2px;
  width: 0;
  max-width: 100%;
  transition: width 0.15s ease;
  box-shadow: 0 0 15px rgba(0, 245, 255, 0.5);
}

.blog-hero-subtitle {
  font-family: var(--font-body);
  font-size: clamp(1rem, 2vw, 1.3rem);
  color: var(--blog-text-primary);
  line-height: 1.8;
  opacity: 0.9;
}

.blog-archive-description {
  font-family: var(--font-body);
  font-size: clamp(0.9rem, 1.5vw, 1.1rem);
  color: var(--blog-text-primary);
  line-height: 1.8;
  opacity: 0.85;
  margin-top: 1.5rem;
  padding: 1.5rem;
  background: rgba(0, 245, 255, 0.05);
  border-left: 3px solid var(--blog-neon-cyan);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

/* ===== Sekcja Kategorii ===== */
.blog-categories-section {
  padding: 3rem 2rem;
  border-top: 1px solid rgba(0, 245, 255, 0.2);
  border-bottom: 1px solid rgba(0, 245, 255, 0.2);
}

.blog-categories-title {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 2.5vw, 1.8rem);
  font-weight: 700;
  color: var(--blog-neon-purple);
  text-align: center;
  margin-bottom: 2rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-shadow: 0 0 20px rgba(139, 92, 246, 0.5);
}

.blog-categories-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  max-width: 1200px;
  margin: 0 auto;
}

.blog-category-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 1.5rem;
  background: rgba(0, 245, 255, 0.05);
  border: 2px solid rgba(0, 245, 255, 0.3);
  text-decoration: none;
  color: inherit;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  min-width: 150px;
}

.blog-category-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: var(--blog-neon-cyan);
  transition: left 0.3s ease;
  z-index: -1;
}

.blog-category-item:hover {
  border-color: var(--blog-neon-pink);
  box-shadow: 
    0 0 20px rgba(255, 0, 170, 0.4),
    0 0 40px rgba(255, 0, 170, 0.2);
  transform: translateY(-3px);
}

.blog-category-item:hover::before {
  left: 0;
}

.blog-category-item:hover .blog-category-name,
.blog-category-item:hover .blog-category-count {
  color: var(--blog-bg-dark);
}

.blog-category-name {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--blog-neon-cyan);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: color 0.3s ease;
  text-align: center;
}

.blog-category-count {
  font-family: var(--font-body);
  font-size: 0.75rem;
  color: var(--blog-text-primary);
  opacity: 0.8;
  transition: color 0.3s ease;
}

/* ===== Grid Artykułów ===== */
.blog-posts-section {
  padding: 4rem 2rem;
}

.blog-posts-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  margin-bottom: 4rem;
}

.blog-card {
  position: relative;
  background: rgba(0, 245, 255, 0.03);
  border: 1px solid rgba(0, 245, 255, 0.2);
  transition: all 0.3s ease;
  overflow: hidden;
}

.blog-card:hover {
  border-color: var(--blog-neon-pink);
  box-shadow: 
    0 0 20px rgba(255, 0, 170, 0.3),
    0 0 40px rgba(255, 0, 170, 0.1);
  transform: translateY(-5px);
}

.blog-card-link {
  display: block;
  text-decoration: none;
  color: inherit;
  height: 100%;
}

.blog-card-thumb {
  position: relative;
  width: 100%;
  padding-top: 60%;
  overflow: hidden;
  background: rgba(0, 0, 0, 0.5);
}

.blog-card-thumb--no-image {
  background: linear-gradient(135deg, rgba(0, 245, 255, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
}

.blog-card-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(30%) contrast(1.2) brightness(0.8);
  transition: filter 0.3s ease;
}

.blog-card:hover .blog-card-image {
  filter: grayscale(0%) contrast(1.3) brightness(1);
}

.blog-card-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    135deg,
    rgba(139, 92, 246, 0.3) 0%,
    rgba(0, 245, 255, 0.2) 100%
  );
  mix-blend-mode: overlay;
  opacity: 0.6;
  transition: opacity 0.3s ease;
}

.blog-card:hover .blog-card-overlay {
  opacity: 0.8;
}

.blog-card-badge {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--blog-neon-cyan);
  background: rgba(0, 0, 0, 0.8);
  padding: 0.25rem 0.75rem;
  border: 1px solid rgba(0, 245, 255, 0.4);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  z-index: 2;
  box-shadow: 0 0 10px rgba(0, 245, 255, 0.3);
}

.blog-card-content {
  padding: 1.5rem;
}

.blog-card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  margin-top: 1rem;
  margin-bottom: 0;
  flex-wrap: wrap;
}

.blog-card-date,
.blog-card-category {
  font-family: var(--font-display);
  font-size: 0.75rem;
  color: var(--blog-neon-purple);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.blog-card-title {
  font-family: var(--font-display);
  font-size: clamp(1rem, 1.5vw, 1.3rem);
  font-weight: 700;
  color: var(--blog-neon-cyan);
  margin-bottom: 0.75rem;
  line-height: 1.3;
  transition: all 0.3s ease;
  text-shadow: 0 0 10px rgba(0, 245, 255, 0.3);
}

.blog-card:hover .blog-card-title {
  color: var(--blog-neon-pink);
  text-shadow: 0 0 20px rgba(255, 0, 170, 0.6);
  animation: blog-title-glitch 0.3s ease;
}

@keyframes blog-title-glitch {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-2px); }
  75% { transform: translateX(2px); }
}

.blog-card-excerpt {
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--blog-text-primary);
  line-height: 1.6;
  opacity: 0.85;
}

.blog-card-cursor {
  color: var(--blog-neon-cyan);
  animation: blog-cursor-blink 1s infinite;
  font-weight: 700;
}

@keyframes blog-cursor-blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

/* ===== Paginacja ===== */
.blog-pagination {
  margin-top: 4rem;
  padding-top: 3rem;
  border-top: 1px solid rgba(0, 245, 255, 0.2);
}

.blog-pagination-links {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.blog-pagination-links a,
.blog-pagination-links span {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--blog-neon-cyan);
  text-decoration: none;
  padding: 1rem 2rem;
  border: 2px solid rgba(0, 245, 255, 0.3);
  background: rgba(0, 245, 255, 0.05);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.blog-pagination-links span {
  color: var(--blog-neon-pink);
  border-color: var(--blog-neon-pink);
  background: rgba(255, 0, 170, 0.1);
  cursor: default;
}

.blog-pagination-links a::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: var(--blog-neon-cyan);
  transition: left 0.3s ease;
  z-index: -1;
}

.blog-pagination-links a:hover {
  color: var(--blog-bg-dark);
  border-color: var(--blog-neon-cyan);
  box-shadow: 0 0 30px rgba(0, 245, 255, 0.5);
}

.blog-pagination-links a:hover::before {
  left: 0;
}

/* ===== Brak postów ===== */
.blog-no-posts {
  text-align: center;
  padding: 4rem 2rem;
}

.blog-no-posts-text {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--blog-neon-cyan);
  margin-bottom: 1rem;
  letter-spacing: 0.1em;
}

.blog-no-posts-desc {
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--blog-text-primary);
  opacity: 0.7;
}

/* ===== Responsive ===== */
@media (max-width: 1400px) {
  .blog-posts-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 1024px) {
  .blog-posts-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }
  
  .blog-section-badge--hero {
    writing-mode: horizontal-tb;
    text-orientation: mixed;
    top: 2rem;
    transform: none;
  }
}

@media (max-width: 768px) {
  .blog-section {
    padding: 3rem 1.5rem;
  }
  
  .blog-posts-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .blog-spine {
    left: 0.75rem;
  }
  
  .blog-pagination-links {
    flex-direction: column;
  }
  
  .blog-pagination-prev a,
  .blog-pagination-next a {
    width: 100%;
    text-align: center;
  }
}