/* ================================================
   JUST LASER ACADEMY — Blog listing page
   Extends styles.css palette & type system
   ================================================ */

.blog-header{
  position:relative;
  padding: 150px var(--pad) 70px;
  background: #08060a;
  overflow:hidden;
  border-bottom: 1px solid var(--rule);
}
.blog-header-glow{
  position:absolute; right:-15vw; top:-25vw;
  width: 55vw; height: 55vw; border-radius:50%;
  background: radial-gradient(circle at 30% 30%, var(--amber) 0%, var(--red) 35%, transparent 70%);
  filter: blur(90px); opacity:.32; pointer-events:none;
}
.blog-header-inner{ position:relative; max-width: var(--maxw); margin:0 auto; }
.blog-title{
  font-family: var(--f-display);
  font-size: clamp(48px, 7vw, 96px);
  line-height: .92; letter-spacing: -0.03em;
  margin: 0 0 22px;
  color: var(--ink);
}
.blog-title .ital{
  font-family: var(--f-body); font-style: italic; font-weight: 300;
  color: var(--ink-dim);
}
.blog-lead{
  max-width: 640px;
  font-size: clamp(16px, 1.3vw, 19px);
  line-height: 1.6;
  color: var(--ink-dim);
  margin: 0 0 32px;
}
.blog-header-meta{
  display:flex; align-items:center; gap: 18px;
  font-family: var(--f-mono); font-size: 11px; letter-spacing:.14em;
  color: var(--ink-soft); text-transform: uppercase;
}
.blog-header-meta .dot-sep{ opacity:.4; }

/* ============ EXPLORE STRIP (hover-expand gallery) ============ */
.explore-strip{
  max-width: var(--maxw); margin: 0 auto;
  padding: 64px var(--pad) 0;
}
.expand-row{
  display:flex; gap: 6px;
  height: 340px;
  margin-top: 36px;
}
.expand-item{
  position:relative; overflow:hidden; border-radius: 8px;
  cursor:pointer;
  flex: 0 0 68px;
  transition: flex-basis .6s cubic-bezier(.2,.8,.2,1);
  background: var(--bg-3);
  border: 1px solid var(--rule);
}
.expand-item.active{ flex-basis: 400px; }
.expand-item img{
  position:absolute; inset:0; width:100%; height:100%; object-fit: cover;
  filter: saturate(.9) contrast(1.05);
  transition: transform .6s ease;
}
.expand-item.active img{ transform: scale(1.02); }
.expand-item::after{
  content:""; position:absolute; inset:0;
  background: linear-gradient(0deg, rgba(8,6,10,.85) 0%, rgba(8,6,10,.15) 45%, rgba(8,6,10,.35) 100%);
}
.expand-label{
  position:absolute; left:0; right:0; bottom:0; z-index:2;
  padding: 18px 14px;
  font-family: var(--f-mono); font-size: 11px; letter-spacing:.1em;
  color: var(--ink); text-transform: uppercase; font-weight: 600;
  white-space: nowrap;
  writing-mode: vertical-rl;
  transition: writing-mode 0s, opacity .2s;
}
.expand-item.active .expand-label{ writing-mode: horizontal-tb; }
.expand-num{
  position:absolute; top:14px; left:14px; z-index:2;
  font-family: var(--f-mono); font-size: 10px; color: var(--red); font-weight:700;
}
@media (max-width: 780px){
  .expand-row{ height: 260px; }
  .expand-item{ flex-basis: 48px; }
  .expand-item.active{ flex-basis: 220px; }
}

/* ============ COURSES BENTO ============ */
.courses-bento{
  max-width: var(--maxw); margin: 0 auto;
  padding: 60px var(--pad) 100px;
  border-top: 1px solid var(--rule);
  margin-top: 20px;
}
.bento-grid{
  display:grid; grid-template-columns: repeat(3, 1fr);
  gap: 14px; margin-top: 36px;
}
.bento-card{
  position:relative; grid-column: span 1;
  padding: 26px 26px 22px;
  border-radius: 12px;
  border: 1px solid var(--rule);
  background: linear-gradient(155deg, var(--bg-2) 0%, var(--bg) 100%);
  overflow: hidden;
  transition: transform .3s ease, border-color .3s ease;
  display:flex; flex-direction:column; gap: 14px;
  min-height: 190px;
}
.bento-card.span-2{ grid-column: span 2; }
.bento-card:hover{ transform: translateY(-4px); border-color: rgba(211,30,42,.45); }
.bento-card::before{
  content:""; position:absolute; inset:0; pointer-events:none;
  background-image: radial-gradient(circle, rgba(246,241,235,.05) 1px, transparent 1px);
  background-size: 6px 6px;
  opacity: 0; transition: opacity .3s;
}
.bento-card:hover::before, .bento-card.hot::before{ opacity: 1; }
.bento-card-top{ display:flex; align-items:center; justify-content:space-between; }
.bento-icon{
  width: 30px; height:30px; border-radius: 8px;
  background: rgba(211,30,42,.12);
  display:flex; align-items:center; justify-content:center;
}
.bento-icon span{ width:9px; height:9px; border-radius:50%; background: var(--red); box-shadow: 0 0 10px var(--red); }
.bento-badge{
  font-family: var(--f-mono); font-size: 9.5px; letter-spacing:.1em; text-transform: uppercase;
  color: var(--ink-dim); background: rgba(246,241,235,.06);
  padding: 5px 10px; border-radius: 999px;
}
.bento-card h3{
  font-family: var(--f-display); font-size: 19px; letter-spacing:-0.01em; margin:0;
  color: var(--ink);
}
.bento-card h3 em{ font-style:normal; font-family: var(--f-mono); font-size:11px; color: var(--ink-soft); margin-left:8px; font-weight: 400; }
.bento-card p{ font-size: 13px; line-height:1.55; color: var(--ink-dim); margin:0; flex:1; }
.bento-bottom{ display:flex; align-items:center; justify-content:space-between; gap:10px; }
.bento-tags{ display:flex; gap:6px; flex-wrap:wrap; }
.bento-tags span{
  font-family: var(--f-mono); font-size: 9.5px; letter-spacing:.06em;
  color: var(--ink-soft); background: rgba(246,241,235,.05);
  padding: 4px 8px; border-radius: 6px;
}
.bento-cta{
  font-family: var(--f-mono); font-size: 11px; color: var(--ink-soft);
  opacity:0; transform: translateX(-4px);
  transition: opacity .2s, transform .2s, color .2s;
  white-space: nowrap;
}
.bento-card:hover .bento-cta{ opacity:1; transform:translateX(0); color: var(--amber); }
@media (max-width: 880px){
  .bento-grid{ grid-template-columns: repeat(2,1fr); }
  .bento-card.span-2{ grid-column: span 2; }
}
@media (max-width: 560px){
  .bento-grid{ grid-template-columns: 1fr; }
  .bento-card.span-2{ grid-column: span 1; }
}

/* ============ ANIMATED FLOW BACKGROUND ============ */
.bg-flow{
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  width: 100%;
  height: 100%;
}
.page-content{
  position: relative;
  z-index: 1;
}

/* ============ LAYOUT ============ */
.blog-layout{
  max-width: var(--maxw); margin: 0 auto;
  padding: 70px var(--pad) 140px;
  display:grid;
  grid-template-columns: 1fr 340px;
  gap: 64px;
  align-items:start;
}
.blog-main{ min-width: 0; }
.blog-side{
  position:sticky; top: 100px;
  display:flex; flex-direction:column; gap: 40px;
}

/* ============ FEATURED POST ============ */
.blog-featured{
  position: relative;
  display:grid;
  grid-template-columns: 1fr .92fr;
  gap: 56px;
  align-items:center;
  padding: 0 0 64px;
  margin-bottom: 64px;
  border-bottom: 1px solid var(--rule-strong);
}
.bf-media{
  position:relative;
  aspect-ratio: 4/3;
  overflow:hidden;
  border-radius: 6px;
  background: linear-gradient(155deg, var(--bg-3) 0%, var(--bg-2) 100%);
  border: 1px solid var(--rule);
  box-shadow: 0 30px 70px -20px rgba(0,0,0,.55);
}
.bf-media::before{
  content:""; position:absolute; inset:0; z-index:2; pointer-events:none;
  background: linear-gradient(155deg, rgba(211,30,42,.10) 0%, transparent 45%);
}
.bf-media image-slot{ width:100%; height:100%; }
.bf-eyebrow{
  display:flex; align-items:center; gap: 10px;
  font-family: var(--f-mono); font-size: 10px; letter-spacing:.18em;
  color: var(--ink-soft); text-transform: uppercase;
  margin-bottom: 16px;
}
.bf-eyebrow .tick{ width:14px; height:1px; background: var(--rule-strong); }
.bf-tag{
  display:inline-flex; align-items:center; gap: 8px;
  font-family: var(--f-mono); font-size: 10px; letter-spacing:.16em;
  text-transform: uppercase; color: var(--red); font-weight:600;
  margin-bottom: 18px;
}
.bf-tag::before{ content:""; width:7px; height:7px; background:var(--red); border-radius:50%; box-shadow:0 0 10px var(--red); }
.bf-title{
  font-family: var(--f-display);
  font-size: clamp(28px, 3vw, 42px);
  line-height: 1.05; letter-spacing: -0.02em;
  margin: 0 0 18px;
  color: var(--ink);
}
.bf-title a{ transition: color .2s; }
.bf-title a:hover{ color: var(--amber); }
.bf-excerpt{
  font-size: 15px; line-height: 1.6;
  color: var(--ink-dim);
  margin: 0 0 26px;
  max-width: 46ch;
}
.bf-meta{
  display:flex; align-items:center; gap: 14px;
  font-family: var(--f-mono); font-size: 11px;
  letter-spacing:.1em; color: var(--ink-soft);
  text-transform: uppercase;
  margin-bottom: 24px;
}
.bf-meta .dot-sep{ opacity:.5; }
.bf-readmore{
  display:inline-flex; align-items:center; gap: 12px;
  font-family: var(--f-mono); font-size: 12px; font-weight:600;
  letter-spacing:.1em; text-transform: uppercase;
  color: var(--ink); border-bottom: 1px solid var(--rule-strong);
  padding-bottom: 6px;
  transition: border-color .2s, color .2s, gap .2s;
}
.bf-readmore:hover{ color: var(--amber); border-color: var(--amber); gap: 16px; }
.bf-readmore span:last-child{ transition: transform .2s; }
.bf-readmore:hover span:last-child{ transform: translateX(3px); }

/* ============ POST GRID ============ */
.blog-grid-heading{
  display:flex; align-items:center; gap: 14px;
  margin-bottom: 28px;
}
.blog-grid-heading h2{
  font-family: var(--f-display);
  font-size: 22px; letter-spacing:-.01em;
  margin:0; color:var(--ink); text-transform: uppercase;
}
.blog-grid-heading .line{ flex:1; height:1px; background: var(--rule-strong); }

/* ============ FILTER CHIPS ============ */
.blog-filters{
  display:flex; flex-wrap:wrap; gap: 10px;
  margin-bottom: 40px;
}
.filter-chip{
  font-family: var(--f-mono); font-size: 11px; font-weight:600;
  letter-spacing:.08em; text-transform: uppercase;
  padding: 9px 16px;
  border: 1px solid var(--rule-strong);
  border-radius: 999px;
  color: var(--ink-dim);
  background: transparent;
  cursor: pointer;
  transition: border-color .2s, color .2s, background .2s;
  white-space: nowrap;
}
.filter-chip:hover{ border-color: var(--ink); color: var(--ink); }
.filter-chip.active{
  border-color: var(--red); background: rgba(211,30,42,.12); color: var(--ink);
}
.post-card.is-hidden{ display:none; }

.post-grid{
  display:grid; grid-template-columns: repeat(2, 1fr);
  gap: 48px 32px;
}
.post-card{
  display:flex; flex-direction:column;
  transition: opacity .3s ease;
}
.pc-media{
  position:relative;
  aspect-ratio: 16/10;
  overflow:hidden;
  border-radius: 6px;
  background: var(--bg-3);
  border: 1px solid var(--rule);
  margin-bottom: 22px;
}
.pc-media::after{
  content:""; position:absolute; inset:0; z-index:2; pointer-events:none;
  background: linear-gradient(180deg, transparent 60%, rgba(8,6,10,.55) 100%);
  opacity: 0; transition: opacity .35s ease;
}
.post-card:hover .pc-media::after{ opacity: 1; }
.pc-media image-slot{ width:100%; height:100%; transition: transform .5s cubic-bezier(.2,.8,.2,1); }
.post-card:hover .pc-media image-slot{ transform: scale(1.06); }
.pc-tag{
  font-family: var(--f-mono); font-size: 10px; letter-spacing:.14em;
  text-transform: uppercase; color: var(--red); font-weight:600;
  margin-bottom: 12px;
  display:block;
}
.pc-title{
  font-family: var(--f-display);
  font-size: clamp(19px, 1.8vw, 23px);
  line-height: 1.18; letter-spacing:-0.01em;
  margin: 0 0 12px;
  color: var(--ink);
}
.pc-title a{ transition: color .2s; }
.pc-title a:hover{ color: var(--amber); }
.pc-excerpt{
  font-size: 13.5px; line-height: 1.55;
  color: var(--ink-dim);
  margin: 0 0 14px;
  flex: 1;
}
.pc-meta{
  display:flex; align-items:center; justify-content:space-between; gap:10px;
  font-family: var(--f-mono); font-size: 10px;
  letter-spacing:.1em; color: var(--ink-soft);
  text-transform: uppercase;
  padding-top: 14px;
  border-top: 1px solid var(--rule);
}
.pc-readmore{
  display:inline-flex; align-items:center; gap: 6px;
  color: var(--ink-soft);
  opacity: 0; transform: translateX(-4px);
  transition: opacity .25s ease, transform .25s ease, color .2s;
}
.post-card:hover .pc-readmore{ opacity: 1; transform: translateX(0); color: var(--amber); }

.blog-loadmore{
  display:flex; justify-content:center;
  margin-top: 56px;
}
.blog-loadmore-btn{
  display:inline-flex; align-items:center; gap: 12px;
  padding: 16px 28px;
  border: 1px solid var(--rule-strong);
  border-radius: 999px;
  font-size: 13px; font-weight: 600;
  letter-spacing: .04em;
  color: var(--ink);
  transition: border-color .2s, background .2s;
}
.blog-loadmore-btn:hover{ border-color: var(--red); background: rgba(211,30,42,.06); }

/* ============ SIDEBAR ============ */
.side-block{
  padding-top: 4px;
}
.side-block + .side-block{
  padding-top: 32px;
  border-top: 1px solid var(--rule);
}
.side-block h3{
  display:flex; align-items:center; gap: 10px;
  font-family: var(--f-mono); font-size: 11px;
  letter-spacing:.18em; text-transform: uppercase;
  color: var(--ink); font-weight:600;
  margin: 0 0 22px;
}
.side-block h3::before{
  content:""; width: 14px; height: 1px; background: var(--red); flex-shrink:0;
}
.side-search{
  display:flex; align-items:center; gap: 10px;
  border: 1px solid var(--rule-strong);
  border-radius: 999px;
  padding: 13px 20px;
  background: var(--bg-2);
  transition: border-color .2s;
}
.side-search:focus-within{ border-color: var(--red); }
.side-search input{
  flex:1; background:none; border:none; outline:none;
  color: var(--ink); font-family: var(--f-body); font-size: 13px;
}
.side-search input::placeholder{ color: var(--ink-muted); }
.side-search svg{ flex-shrink:0; opacity:.7; }

.side-list{ list-style:none; margin:0; padding:0; counter-reset: side; display:flex; flex-direction:column; gap:16px; }
.side-list li{ border-bottom: 1px solid var(--rule); padding-bottom: 16px; }
.side-list li:last-child{ border-bottom:none; padding-bottom:0; }
.side-list a{
  position:relative;
  display:flex; gap: 12px;
  font-size: 14px; line-height: 1.4;
  color: var(--ink-dim);
  transition: color .2s;
}
.side-list a:hover{ color: var(--amber); }
.side-list.side-numbered{ counter-reset: sidenum; }
.side-list.side-numbered a::before{
  counter-increment: sidenum;
  content: counter(sidenum, decimal-leading-zero);
  font-family: var(--f-mono); font-size: 11px; color: var(--ink-muted);
  flex-shrink:0; padding-top: 1px;
}

.side-list.side-posts a{ color: var(--ink); font-weight: 500; display:block; margin-bottom: 4px; }
.side-list.side-posts span{
  display:block; font-family: var(--f-mono); font-size: 10px;
  letter-spacing:.1em; color: var(--ink-soft); text-transform: uppercase;
}

.side-cat-row{
  display:flex; align-items:center; justify-content:space-between;
  font-size: 14px; color: var(--ink-dim);
}
.side-cat-row a{ color: inherit; transition: color .2s; }
.side-cat-row a:hover{ color: var(--amber); }
.side-cat-row em{
  font-style:normal; font-family: var(--f-mono); font-size:11px;
  color: var(--ink-muted);
}

@media (max-width: 1080px){
  .blog-layout{ grid-template-columns: 1fr; }
  .blog-side{ position:static; }
}
@media (max-width: 780px){
  .blog-featured{ grid-template-columns: 1fr; }
  .post-grid{ grid-template-columns: 1fr; }
  .blog-filters{ flex-wrap: nowrap; overflow-x:auto; padding-bottom: 6px; -webkit-overflow-scrolling: touch; }
}