/* =============================================
   Bitcrack Cyber — Blog Page (Light Theme v1)
   ============================================ */

:root {
  --bg:#ffffff; --bg-card:#ffffff; --bg-elevated:#f8f8f8; --bg-surface:#f5f5f5;
  --text:#111111; --text-secondary:#404040; --text-muted:#737373;
  --accent:#dc2626; --accent-hover:#b91c1c; --accent-muted:rgba(220,38,38,0.08);
  --border:rgba(0,0,0,0.08); --border-light:rgba(0,0,0,0.12);
  --radius:8px; --radius-lg:12px; --transition:0.2s ease;
  --font:"Inter",system-ui,-apple-system,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font);-webkit-font-smoothing:antialiased;overflow-x:hidden}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 2rem}
a{color:inherit}

.section-label{display:inline-block;font-size:0.75rem;font-weight:600;text-transform:uppercase;letter-spacing:0.12em;color:var(--accent);margin-bottom:0.75rem}

/* =======================================================
   HERO
   ======================================================= */
.blog-hero {
  /* Shared visual treatment lives in static/css/light/page_hero.css. */
  padding: 10rem 0 4rem;
}

.blog-hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.blog-hero-content h1 {
  margin: 0 0 1rem;
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: #111111;
}

.blog-hero-content p {
  margin: 0;
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.7;
}


/* =========================================================
   BLOG SECTION
   ========================================================= */
.blog-section {
  padding: 7rem 0 6rem;
}


/* =========================================================
   FEATURED — latest article hero card
   ========================================================= */
.blog-featured {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 0;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 4rem;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}

.blog-featured:hover {
  border-color: rgba(220,38,38,0.25);
  box-shadow: 0 12px 32px rgba(0,0,0,0.08);
}

.blog-featured__image {
  display: block;
  background: var(--bg-surface);
  overflow: hidden;
  min-height: 320px;
}

.blog-featured__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}

.blog-featured:hover .blog-featured__image img {
  transform: scale(1.03);
}

.blog-featured:not(:has(.blog-featured__image)) {
  grid-template-columns: 1fr;
}

.blog-featured__body {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 2.5rem 2.75rem;
  justify-content: center;
}

.blog-featured__eyebrow {
  align-self: flex-start;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
}

.blog-featured__title {
  margin: 0;
  font-size: clamp(1.5rem, 2.4vw, 2rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: #111111;
}

.blog-featured__title a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease;
}

.blog-featured__title a:hover {
  color: var(--accent);
}

.blog-featured__excerpt {
  margin: 0;
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text-secondary);
}


/* =========================================================
   FILTER — category pills
   ========================================================= */
.blog-filter {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin-bottom: 2rem;
}

.blog-filter__label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.blog-filter__pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.blog-filter__pill {
  appearance: none;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 0.45rem 0.95rem;
  border-radius: 999px;
  font: inherit;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.blog-filter__pill:hover {
  color: var(--text);
  border-color: var(--border-light);
}

.blog-filter__pill.is-active {
  color: var(--accent);
  border-color: rgba(220,38,38,0.45);
  background: var(--accent-muted);
}


/* =========================================================
   Filter visibility helper
   ========================================================= */
.is-hidden {
  display: none !important;
}


/* =========================================================
   BLOG GRID — uniform 2-column
   ========================================================= */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.75rem;
}

.blog-card {
  display: flex;
  flex-direction: column;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}

.blog-card:hover {
  border-color: rgba(220,38,38,0.25);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.08);
}

.blog-card-image {
  display: block;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--bg-surface);
}

.blog-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}

.blog-card:hover .blog-card-image img {
  transform: scale(1.03);
}

.blog-card-body {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: 0.85rem;
}

.blog-card-title {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 700;
  color: #111111;
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.blog-card-title a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease;
}

.blog-card-title a:hover {
  color: var(--accent);
}

.blog-card-excerpt {
  margin: 0;
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.blog-card-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: auto;
  padding-top: 0.5rem;
  font-size: 0.85rem;
  line-height: 1.4;
  color: var(--text-secondary);
}

.blog-card-meta__by {
  color: var(--text-muted);
  font-weight: 400;
}

.blog-card-author {
  color: var(--text);
  font-weight: 600;
}

.blog-card-date,
.blog-card-readtime {
  color: var(--text-secondary);
  font-weight: 500;
}

.blog-card-sep {
  color: var(--text-muted);
  opacity: 0.6;
}


/* =========================================================
   SHARED BLOG ELEMENTS
   ========================================================= */
.blog-category {
  align-self: flex-start;
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  background: var(--accent-muted);
  padding: 0.25rem 0.6rem;
  border-radius: 4px;
}

.blog-read-more {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
  transition: gap 0.2s ease;
  margin-top: 0.25rem;
}

.blog-read-more:hover {
  gap: 0.65rem;
}

.blog-read-more i {
  font-size: 0.75rem;
  transition: transform 0.2s ease;
}

.blog-read-more:hover i {
  transform: translateX(2px);
}


/* =========================================================
   EMPTY STATE
   ========================================================= */
.blog-empty {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 4rem 2.5rem;
  text-align: center;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}

.blog-empty h2 {
  margin: 0 0 0.5rem;
  font-size: 1.5rem;
  font-weight: 700;
  color: #111111;
}

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


/* =========================================================
   PAGER
   ========================================================= */
.blog-pager {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  margin-top: 3rem;
  font-size: 0.9rem;
}

.blog-pager__link {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 600;
  padding: 0.5rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color 0.2s ease, color 0.2s ease;
}

.blog-pager__link:hover {
  color: var(--accent);
  border-color: rgba(220,38,38,0.35);
}

.blog-pager__info {
  color: var(--text-muted);
  font-size: 0.85rem;
}


/* =========================================================
   SCROLL REVEAL
   ========================================================= */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-stagger .reveal:nth-child(1) { transition-delay: 0s; }
.reveal-stagger .reveal:nth-child(2) { transition-delay: 0.1s; }
.reveal-stagger .reveal:nth-child(3) { transition-delay: 0.15s; }
.reveal-stagger .reveal:nth-child(4) { transition-delay: 0.2s; }
.reveal-stagger .reveal:nth-child(5) { transition-delay: 0.25s; }
.reveal-stagger .reveal:nth-child(6) { transition-delay: 0.3s; }


/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 1024px) {
  .blog-hero {
    padding: 8rem 0 3rem;
  }
}

@media (max-width: 1024px) {
  .blog-featured {
    grid-template-columns: 1fr;
  }
  .blog-featured__image {
    min-height: 220px;
    aspect-ratio: 16 / 9;
  }
  .blog-featured__body {
    padding: 2rem 2rem 2.25rem;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 1.25rem;
  }

  .blog-hero {
    padding: 7rem 0 2.5rem;
  }

  .blog-hero-content h1 {
    font-size: 2.25rem;
  }

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

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

  .blog-card-title {
    font-size: 1.15rem;
  }

  .blog-featured__body {
    padding: 1.75rem;
  }

  .blog-featured__title {
    font-size: 1.35rem;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 1rem;
  }

  .blog-hero {
    padding: 6rem 0 2rem;
  }

  .blog-hero-content h1 {
    font-size: 1.85rem;
  }

  .blog-hero-content p {
    font-size: 1rem;
  }

  .blog-section {
    padding: 2.5rem 0 4rem;
  }

  .blog-card-body {
    padding: 1.25rem;
    gap: 0.75rem;
  }

  .blog-card-title {
    font-size: 1.1rem;
  }

  .blog-empty {
    padding: 3rem 1.5rem;
  }
}