/* ============================================================
   BELAJAR.CSS — Halaman Ruang Belajar (listing) & Artikel
   Memakai base.css, layout.css, desktop.css, komunitas.css (tombol pill).
   ============================================================ */

/* ---------- HERO + SEARCH ---------- */
.bl-hero { background:var(--tosca); color:#fff; padding:2rem var(--pad) 2.5rem; text-align:center; }
.bl-hero-title { font-family:'Arial Black',Arial,sans-serif; font-weight:900; font-size:2.3rem; text-transform:uppercase; margin:.4rem 0 1.2rem; }
.bl-search { display:flex; gap:.5rem; max-width:520px; margin:0 auto; }
.bl-search input { flex:1; border:none; border-radius:999px; padding:.8rem 1.2rem; font-size:.9rem; color:var(--black); outline:none; }
.bl-search button { background:var(--orange); color:var(--black); border:none; border-radius:999px; font-weight:700; padding:.8rem 1.5rem; cursor:pointer; }

/* ---------- SECTION SHELL ---------- */
.bl-sec { padding:2.25rem var(--pad); }
.bl-sec-head { margin-bottom:1.25rem; }
.bl-eyebrow { color:var(--tosca); margin-bottom:.4rem; }
.bl-sec-title { font-family:'Arial Black',Arial,sans-serif; font-weight:900; font-size:1.5rem; text-transform:uppercase; color:var(--black); line-height:1.1; }
.bl-sec-sub { font-size:.82rem; color:var(--gray); line-height:1.6; margin-top:.5rem; max-width:42rem; }
.bl-sec-foot { margin-top:1.25rem; text-align:center; }

/* ---------- KARTU VOLUME (PELAJARAN) ---------- */
.vol-grid { display:grid; grid-template-columns:1fr 1fr; gap:1.25rem .9rem; }
.vol-card { display:flex; flex-direction:column; }
.vol-cover {
  position:relative; aspect-ratio:1 / 1;
  background:linear-gradient(160deg,var(--tosca),var(--tosca-dk));
  border-radius:10px; display:flex; align-items:center; justify-content:center;
  overflow:hidden; margin-bottom:.7rem;
}
.vol-cover img { width:100%; height:100%; object-fit:cover; }
.vol-cover .volnum { font-family:'Arial Black',Arial,sans-serif; font-weight:900; font-size:1.6rem; color:rgba(255,255,255,.92); }
.vol-pill {
  position:absolute; top:8px; left:8px; font-size:.62rem; font-weight:700;
  text-transform:uppercase; padding:.25rem .55rem; border-radius:999px;
  display:flex; align-items:center; gap:4px;
}
.vol-pill.free { background:#3DB548; color:#fff; }
.vol-pill.lock { background:rgba(0,0,0,.6); color:#fff; }
.vol-pill .dot { width:5px; height:5px; border-radius:50%; background:currentColor; }
.vol-media { display:flex; gap:.35rem; flex-wrap:wrap; margin-bottom:.4rem; }
.vol-chip { display:flex; align-items:center; gap:3px; background:var(--offwhite); border-radius:999px; padding:.2rem .45rem; font-size:.6rem; font-weight:700; color:var(--tosca-dk); }
.vol-chip img { width:11px; height:11px; object-fit:contain; }
.vol-eyebrow { font-size:.64rem; font-weight:700; text-transform:uppercase; color:var(--gray); }
.vol-name { font-family:'Arial Black',Arial,sans-serif; font-weight:900; font-size:.92rem; color:var(--black); line-height:1.18; margin:.15rem 0 .3rem; }
.vol-meta { font-size:.72rem; color:var(--gray); }

/* ---------- KARTU PEWARISAN (kategori) ---------- */
.pew-grid { display:grid; grid-template-columns:1fr 1fr; gap:1.1rem; }
.pew-card {
  background:linear-gradient(160deg,var(--tosca),var(--tosca-dk));
  color:#fff; border-radius:16px; padding:1.2rem 1.1rem;
  display:flex; flex-direction:column;
}
.pew-ico { width:46px; height:46px; border-radius:50%; background:#fff; display:flex; align-items:center; justify-content:center; margin-bottom:.8rem; box-shadow:0 6px 14px rgba(0,0,0,.18); }
.pew-ico img { width:24px; height:24px; object-fit:contain; }
.pew-name { font-family:'Arial Black',Arial,sans-serif; font-weight:900; font-size:.95rem; margin-bottom:.3rem; }
.pew-desc { font-size:.76rem; line-height:1.5; opacity:.95; flex:1; margin-bottom:.7rem; }
.pew-foot { display:flex; align-items:center; justify-content:space-between; }
.pew-tag { font-size:.62rem; font-weight:700; text-transform:uppercase; background:rgba(255,255,255,.18); padding:.22rem .5rem; border-radius:999px; }
.pew-soon { font-size:.62rem; font-weight:700; color:var(--orange); }

/* ---------- ARTIKEL (preview di belajar.html) ---------- */
.art-feat { display:flex; flex-direction:column; }
.art-feat-cover {
  aspect-ratio:16/9; border-radius:14px; margin-bottom:.9rem;
  background:linear-gradient(160deg,var(--tosca),var(--tosca-dk));
  display:flex; align-items:center; justify-content:center;
}
.art-feat-cover img { width:48px; height:48px; object-fit:contain; filter:brightness(0) invert(1); opacity:.85; }
.art-cat { display:inline-block; font-size:.62rem; font-weight:700; text-transform:uppercase; color:var(--tosca-dk); background:var(--offwhite); padding:.25rem .6rem; border-radius:999px; margin-bottom:.55rem; align-self:flex-start; }
.art-feat-title { font-family:'Arial Black',Arial,sans-serif; font-weight:900; font-size:1.15rem; color:var(--black); line-height:1.2; margin-bottom:.5rem; }
.art-feat-excerpt { font-size:.82rem; color:var(--gray); line-height:1.55; margin-bottom:.8rem; }
.art-byline { display:flex; align-items:center; gap:.5rem; font-size:.72rem; color:var(--gray); }
.art-byline .avt { width:24px; height:24px; border-radius:50%; background:var(--orange); flex:none; }

.art-list { display:flex; flex-direction:column; gap:.9rem; margin-top:1.1rem; }
.art-row { display:flex; gap:.8rem; align-items:flex-start; }
.art-row-cover { width:68px; height:68px; flex:none; border-radius:10px; background:var(--offwhite); display:flex; align-items:center; justify-content:center; overflow:hidden; }
.art-row-cover img { width:26px; height:26px; object-fit:contain; opacity:.7; }
.art-row-cat { font-size:.6rem; font-weight:700; text-transform:uppercase; color:var(--tosca-dk); }
.art-row-title { font-family:'Arial Black',Arial,sans-serif; font-weight:900; font-size:.84rem; color:var(--black); line-height:1.25; margin:.2rem 0 .2rem; }
.art-row-meta { font-size:.68rem; color:var(--gray); }

/* ---------- TABS / FILTER CHIPS ---------- */
.bl-filters { display:flex; gap:.5rem; overflow-x:auto; padding-bottom:.3rem; margin-bottom:1.4rem; }
.bl-chip { white-space:nowrap; font-size:.78rem; font-weight:700; padding:.5rem 1.05rem; border-radius:999px; border:1.5px solid var(--tosca); color:var(--tosca); background:#fff; cursor:pointer; }
.bl-chip.active { background:var(--tosca); color:#fff; }

/* ============================================================
   TABLET (≥ 680px)
   ============================================================ */
@media (min-width:680px) {
  .bl-hero-title { font-size:3.2rem; }
  .vol-grid { grid-template-columns:repeat(3,1fr); }
  .pew-grid { grid-template-columns:repeat(3,1fr); }
  .bl-sec-title { font-size:1.8rem; }
}

/* ============================================================
   DESKTOP (≥ 1024px)
   ============================================================ */
@media (min-width:1024px) {
  .bl-sec { padding:3rem 0; }
  .bl-sec .wrap, .bl-hero .wrap { max-width:1180px; margin:0 auto; }
  .vol-grid { grid-template-columns:repeat(4,1fr); }
  .pew-grid { grid-template-columns:repeat(5,1fr); }
  .bl-sec-title { font-size:2rem; }
  .bl-sec-head { display:flex; justify-content:space-between; align-items:flex-end; gap:1rem; }
  .bl-sec-foot { text-align:left; margin-top:0; }
  .art-grid-wrap { display:grid; grid-template-columns:1.4fr 1fr; gap:1.5rem; align-items:start; }
}