/* ============================================================
   AOLL — blog.css
   Blog listing + article detail. Namespaced .bl-*.
   Inherits tokens from aoll.css (auto light/dark).
   ============================================================ */

/* ---------- Shared hero ---------- */
.bl-hero { position: relative; overflow: hidden; padding: 4.5rem 0 2rem; text-align: center; isolation: isolate; }
.bl-hero::before {
  content: ""; position: absolute; inset: -30% -10% auto -10%; height: 90%;
  background: radial-gradient(640px 360px at 70% 0%, rgba(59,130,246,.24), transparent 62%),
              radial-gradient(520px 320px at 18% 18%, rgba(6,182,212,.18), transparent 62%);
  filter: blur(8px); z-index: -1;
}
.bl-eyebrow {
  display: inline-flex; align-items: center; gap: .5rem; padding: .4rem .9rem; border-radius: 999px;
  font-family: var(--ea-font-head); font-weight: 600; font-size: .8rem; letter-spacing: .04em; text-transform: uppercase;
  color: var(--ea-heading); background: var(--ea-bg-tint); border: 1px solid var(--ea-border-strong);
}
.bl-eyebrow .bl-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--ea-gradient); }
.bl-hero h1 { font-family: var(--ea-font-head); font-weight: 800; font-size: clamp(2.2rem, 4.4vw, 3rem); letter-spacing: -.025em; margin: 1rem 0 .7rem; }
.bl-hero p { color: var(--ea-muted); font-size: 1.1rem; max-width: 40rem; margin: 0 auto; }

/* ---------- Category chips ---------- */
.bl-cats { display: flex; flex-wrap: wrap; justify-content: center; gap: .5rem; margin-top: 1.75rem; }
.bl-cat {
  padding: .45rem .95rem; border-radius: 999px; font-size: .85rem; font-weight: 600;
  border: 1px solid var(--ea-border-strong); color: var(--ea-heading); background: var(--ea-bg-elev);
  transition: background .15s ease, color .15s ease, transform .15s ease;
}
.bl-cat:hover { background: var(--ea-bg-tint); color: var(--ea-teal); transform: translateY(-2px); }
.bl-cat.is-active { background: var(--ea-gradient); color: #fff; border-color: transparent; }

/* ---------- Post card ---------- */
.bl-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.bl-card {
  display: flex; flex-direction: column; overflow: hidden;
  border-radius: var(--ea-radius-lg); border: 1px solid var(--ea-border); background: var(--ea-bg-elev);
  box-shadow: var(--ea-shadow-sm); transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.bl-card:hover { transform: translateY(-6px); border-color: var(--ea-border-strong); box-shadow: var(--ea-shadow); }
.bl-thumb {
  position: relative; aspect-ratio: 16 / 9; display: grid; place-items: center; color: #fff; font-size: 2.2rem;
  background: linear-gradient(135deg, var(--brand-1) 0%, var(--brand-2) 45%, var(--brand-3) 100%);
}
.bl-thumb--alt { background: linear-gradient(135deg, var(--brand-3), var(--brand-1)); }
.bl-thumb--tri { background: linear-gradient(135deg, var(--brand-2), var(--brand-3) 60%, var(--brand-1)); }
.bl-thumb .bl-tag {
  position: absolute; top: .8rem; left: .8rem; background: rgba(8,12,30,.45); color: #fff;
  font-size: .72rem; font-weight: 600; padding: .25rem .7rem; border-radius: 999px; -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px);
}
.bl-body { padding: 1.3rem 1.4rem 1.5rem; display: flex; flex-direction: column; flex: 1; }
.bl-meta { display: flex; gap: .75rem; align-items: center; color: var(--ea-muted); font-size: .8rem; margin-bottom: .6rem; }
.bl-meta .bl-dotsep { width: 3px; height: 3px; border-radius: 50%; background: var(--ea-muted); }
.bl-card h3 { font-size: 1.15rem; line-height: 1.3; margin-bottom: .5rem; }
.bl-card h3 a { color: var(--ea-heading); }
.bl-card h3 a:hover { color: var(--ea-teal); }
.bl-card p { color: var(--ea-muted); font-size: .92rem; margin: 0 0 1rem; }
.bl-author { display: flex; align-items: center; gap: .55rem; margin-top: auto; }
.bl-avatar { width: 30px; height: 30px; border-radius: 50%; background: var(--ea-gradient); display: grid; place-items: center; color: #fff; font-size: .75rem; font-weight: 700; flex-shrink: 0; }
.bl-author span { font-size: .82rem; color: var(--ea-text); font-weight: 600; }

/* ---------- Featured post ---------- */
.bl-feature {
  display: grid; grid-template-columns: 1.1fr 1fr; gap: 0; overflow: hidden;
  border-radius: var(--ea-radius-lg); border: 1px solid var(--ea-border); background: var(--ea-bg-elev); box-shadow: var(--ea-shadow);
}
.bl-feature-media { position: relative; min-height: 320px; background: linear-gradient(135deg, var(--brand-1), var(--brand-3)); display: grid; place-items: center; color: #fff; font-size: 3rem; }
.bl-feature-body { padding: 2.2rem; display: flex; flex-direction: column; justify-content: center; }
.bl-feature-body h2 { font-size: clamp(1.5rem, 2.6vw, 2.1rem); line-height: 1.2; margin: .6rem 0 .8rem; }
.bl-feature-body h2 a { color: var(--ea-heading); }
.bl-feature-body h2 a:hover { color: var(--ea-teal); }
.bl-feature-body p { color: var(--ea-muted); margin-bottom: 1.2rem; }
.bl-pill { align-self: flex-start; background: var(--ea-gradient); color: #fff; font-size: .72rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; padding: .28rem .8rem; border-radius: 999px; }

/* ---------- Newsletter ---------- */
.bl-news {
  border-radius: var(--ea-radius-lg); background: var(--ea-gradient); color: #fff;
  padding: 2.5rem; text-align: center; position: relative; overflow: hidden; box-shadow: var(--ea-shadow-blue);
}
.bl-news::after { content: ""; position: absolute; inset: 0; background: radial-gradient(420px 200px at 50% 0%, rgba(255,255,255,.25), transparent 70%); pointer-events: none; }
.bl-news > * { position: relative; z-index: 1; }
.bl-news h2 { color: #fff; margin-bottom: .5rem; }
.bl-news p { color: rgba(255,255,255,.9); margin-bottom: 1.4rem; }
.bl-news form { display: flex; gap: .6rem; max-width: 460px; margin: 0 auto; flex-wrap: wrap; justify-content: center; }
.bl-news input { flex: 1; min-width: 220px; border: none; border-radius: 12px; padding: .8rem 1rem; }

/* ============================================================
   Article detail
   ============================================================ */
.bl-article-hero { padding: 3.5rem 0 1.5rem; text-align: center; }
.bl-article-hero h1 { font-family: var(--ea-font-head); font-weight: 800; font-size: clamp(2rem, 4vw, 3rem); line-height: 1.15; letter-spacing: -.02em; max-width: 50rem; margin: 1rem auto .9rem; }
.bl-article-meta { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: .8rem; color: var(--ea-muted); font-size: .9rem; }
.bl-article-meta .bl-avatar { width: 34px; height: 34px; font-size: .8rem; }
.bl-cover { max-width: 980px; margin: 2rem auto 0; aspect-ratio: 21 / 9; border-radius: var(--ea-radius-lg); background: linear-gradient(135deg, var(--brand-1), var(--brand-2) 50%, var(--brand-3)); display: grid; place-items: center; color: #fff; font-size: 3.4rem; box-shadow: var(--ea-shadow); }

.bl-prose { max-width: 720px; margin: 0 auto; }
.bl-prose > p { color: var(--ea-text); font-size: 1.08rem; line-height: 1.75; margin-bottom: 1.3rem; }
.bl-prose h2 { font-size: 1.6rem; margin: 2.2rem 0 .9rem; }
.bl-prose h3 { font-size: 1.25rem; margin: 1.8rem 0 .7rem; }
.bl-prose ul { margin: 0 0 1.3rem; padding-left: 1.2rem; }
.bl-prose li { color: var(--ea-text); line-height: 1.7; margin-bottom: .5rem; }
.bl-prose blockquote {
  border-left: 4px solid var(--ea-teal); background: var(--ea-bg-tint);
  margin: 1.6rem 0; padding: 1.1rem 1.4rem; border-radius: 0 12px 12px 0;
}
.bl-prose blockquote p { color: var(--ea-heading); font-style: italic; font-size: 1.12rem; margin: 0; }
.bl-prose img, .bl-prose .bl-inline-img { width: 100%; border-radius: var(--ea-radius); margin: 1.6rem 0; }
.bl-prose .bl-inline-img { aspect-ratio: 16/9; background: linear-gradient(135deg, var(--brand-2), var(--brand-3)); display: grid; place-items: center; color: #fff; font-size: 2rem; }

.bl-share { display: flex; align-items: center; gap: .6rem; max-width: 720px; margin: 2rem auto; padding-top: 1.5rem; border-top: 1px solid var(--ea-border); }
.bl-share span { color: var(--ea-muted); font-size: .9rem; margin-right: .25rem; }
.bl-share a { width: 40px; height: 40px; border-radius: 11px; display: grid; place-items: center; border: 1px solid var(--ea-border-strong); color: var(--ea-heading); background: var(--ea-bg-elev); transition: background .15s ease, color .15s ease, transform .15s ease; }
.bl-share a:hover { background: var(--ea-bg-tint); color: var(--ea-teal); transform: translateY(-2px); }

/* ---------- Images fill tiles ---------- */
.bl-thumb img, .bl-feature-media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.bl-cover { position: relative; overflow: hidden; }
.bl-cover img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }

/* ---------- Responsive ---------- */
@media (max-width: 991px) {
  .bl-grid { grid-template-columns: repeat(2, 1fr); }
  .bl-feature { grid-template-columns: 1fr; }
  .bl-feature-media { min-height: 220px; }
}
@media (max-width: 575px) { .bl-grid { grid-template-columns: 1fr; } }