/* =========================================================
   BLOG page styles
   ========================================================= */

.blog-hero {
  padding: 80px 0 40px;
}
.crumbs {
  display: flex; align-items: center; gap: 10px;
  font-size: 13px;
  font-family: var(--f-mono);
  color: var(--ink-mute);
  letter-spacing: 0.05em;
  margin-bottom: 32px;
}
.crumbs a { color: var(--ink-dim); transition: color .2s; }
.crumbs a:hover { color: var(--mint); }
.crumbs span:last-child { color: var(--mint); }

.blog-hero__title {
  font-size: clamp(44px, 7vw, 84px);
  line-height: 0.98;
  letter-spacing: -0.04em;
  font-weight: 700;
  max-width: 900px;
  margin-bottom: 24px;
}
.blog-hero__title em {
  font-style: italic; font-weight: 400;
  background: var(--g-text);
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
}
.blog-hero__sub {
  max-width: 640px;
  font-size: 18px;
  color: var(--ink-dim);
  margin: 0 0 40px;
}

.filters {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  padding: 8px;
  background: rgba(255,255,255,.02);
  border: 1px solid var(--line);
  border-radius: 999px;
  width: fit-content;
  max-width: 100%;
  overflow-x: auto;
  scrollbar-width: none;
}
.filters::-webkit-scrollbar { display: none; }
.filter {
  padding: 10px 20px;
  border-radius: 999px;
  font-size: 14px;
  color: var(--ink-dim);
  white-space: nowrap;
  transition: all .25s;
}
.filter:hover { color: var(--ink); background: rgba(255,255,255,.04); }
.filter--active {
  background: var(--g-primary);
  color: #0a0f1a;
  font-weight: 500;
}

.featured { padding: 20px 0 60px; }
.featured__card {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 0;
  background: rgba(255,255,255,.02);
  border: 1px solid var(--line-2);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all .4s;
}
.featured__card:hover {
  transform: translateY(-4px);
  border-color: rgba(124,249,212,.25);
  box-shadow: 0 40px 80px -30px rgba(108,141,255,.3);
}
.featured__media {
  position: relative;
  min-height: 380px;
  overflow: hidden;
}
.featured__bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 30% 40%, rgba(124,249,212,.35), transparent 55%),
    radial-gradient(ellipse at 70% 70%, rgba(176,124,255,.3), transparent 55%),
    radial-gradient(ellipse at 50% 10%, rgba(108,141,255,.25), transparent 55%),
    #0d1118;
  transition: transform .8s;
}
.featured__media::before {
  content: "GPT";
  position: absolute; inset: 0;
  display: grid; place-items: center;
  font-family: var(--f-display);
  font-size: 180px; font-weight: 800;
  letter-spacing: -0.06em;
  background: var(--g-text);
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
  opacity: .15;
  z-index: 1;
}
.featured__card:hover .featured__bg { transform: scale(1.08); }
.featured__badge {
  position: absolute;
  top: 24px; left: 24px; z-index: 2;
  padding: 6px 14px;
  background: rgba(5,7,13,.7);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--mint);
  color: var(--mint);
  border-radius: 999px;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.featured__body {
  padding: 48px 44px;
  display: flex; flex-direction: column;
  justify-content: center;
}
.featured__body h2 {
  font-size: clamp(26px, 3vw, 38px);
  line-height: 1.15;
  letter-spacing: -0.025em;
  margin: 20px 0 16px;
}
.featured__body p {
  font-size: 15px; color: var(--ink-dim);
  margin: 0 0 28px;
}
.post__meta {
  display: flex; align-items: center; gap: 14px;
  font-family: var(--f-mono);
  font-size: 12px;
  color: var(--ink-mute);
  letter-spacing: 0.06em;
  flex-wrap: wrap;
}
.pill {
  padding: 4px 10px;
  background: rgba(124,249,212,.1);
  color: var(--mint);
  border: 1px solid rgba(124,249,212,.25);
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 10px;
  font-weight: 500;
}
.post__meta .dot {
  width: 3px; height: 3px;
  background: var(--ink-mute);
  border-radius: 50%;
}
.read-more {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--mint);
  font-weight: 500;
  font-size: 14px;
  transition: gap .25s;
}
.featured__card:hover .read-more { gap: 14px; }

.all-posts { padding: 20px 0 100px; }
.all-posts__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 20px;
}
.post--lg .post__cover { aspect-ratio: 16/10; }
.post--lg .post__body { padding: 28px 24px; }
.post--lg .post__body h3 { font-size: 19px; line-height: 1.3; }
.post[data-hidden="true"] { display: none; }

@media (max-width: 900px) {
  .blog-hero { padding: 60px 0 32px; }
  .featured__card { grid-template-columns: 1fr; }
  .featured__media { min-height: 240px; }
  .featured__body { padding: 32px 28px; }
  .featured__media::before { font-size: 140px; }
  .all-posts__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .blog-hero { padding: 40px 0 24px; }
  .crumbs { font-size: 12px; margin-bottom: 24px; flex-wrap: wrap; }
  .blog-hero__title {
    font-size: clamp(36px, 10vw, 54px);
    margin-bottom: 20px;
  }
  .blog-hero__sub { font-size: 16px; margin-bottom: 28px; }
  .filters {
    display: flex;
    gap: 6px;
    flex-wrap: nowrap;
    width: auto;
    max-width: 100%;
    padding: 6px 0;
    background: transparent;
    border: none;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scroll-snap-type: x proximity;
    scrollbar-width: none;
    overscroll-behavior-x: contain;
  }
  .filters::-webkit-scrollbar { display: none; }
  .filter {
    flex-shrink: 0;
    padding: 10px 18px;
    font-size: 13px;
    background: rgba(255,255,255,.03);
    border: 1px solid var(--line);
    border-radius: 999px;
    scroll-snap-align: start;
  }
  .filter--active {
    background: var(--g-primary);
    border-color: transparent;
  }
  .featured { padding: 12px 0 40px; }
  .featured__media { min-height: 180px; }
  .featured__media::before { font-size: 100px; }
  .featured__body { padding: 24px 20px; }
  .featured__body h2 { font-size: 22px; margin: 14px 0 12px; }
  .featured__body p { font-size: 14px; margin-bottom: 20px; }
  .featured__badge { top: 16px; left: 16px; padding: 5px 12px; font-size: 10px; }
  .all-posts { padding: 40px 0 60px; }
  .all-posts__grid {
    display: flex;
    flex-direction: column;
    grid-template-columns: none;
    gap: 16px;
  }
}