/* ==========================================================================
   Invishar — halaman kelas (course.html) & halaman materi (materi.html)
   Lanjutan dari css/style.css: semua warna, font, dan radius memakai token
   yang sama di :root, jadi palet cukup diganti dari satu tempat.
   Breakpoint mobile: 760px, mengikuti halaman utama.
   ========================================================================== */

/* ----------------------------------------------------------- 1. Umum */
.is-here { color: var(--green-900) !important; font-weight: 600 !important; }

.crumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-50);
  padding-top: 22px;
}
.crumb a { text-decoration: none; color: var(--ink-62); }
.crumb a:hover { color: var(--green-700); }

.kosong {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 18px 20px;
  font-size: 14.5px;
  color: var(--ink-70);
  margin: 20px 0;
}

/* Bilah progres, dipakai di dua halaman */
.bar {
  height: 6px;
  border-radius: var(--r-pill);
  background: rgba(26, 25, 23, 0.10);
  overflow: hidden;
}
.bar-fill {
  display: block;
  height: 100%;
  width: 0;
  border-radius: var(--r-pill);
  background: var(--green-500);
  transition: width .4s var(--ease);
}

/* Daftar berceklis & daftar bertitik */
.ceklis, .titik { list-style: none; margin: 0; padding: 0; }

.ceklis li {
  position: relative;
  padding: 0 0 0 30px;
  margin-bottom: 13px;
  font-size: 15px;
  line-height: 1.55;
  color: var(--ink-72);
}
.ceklis li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 1px;
  width: 20px;
  height: 20px;
  display: grid;
  place-items: center;
  font-size: 11px;
  font-weight: 700;
  border-radius: 50%;
  background: var(--green-100);
  color: var(--green-700);
}

.titik li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 10px;
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--ink-70);
}
.titik li::before {
  content: "";
  position: absolute;
  left: 3px;
  top: 9px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green-300);
}

/* -------------------------------------------------- 2. Hero halaman kelas */
.course-hero { padding-bottom: clamp(26px, 4vw, 38px); }

.course-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(280px, 1fr);
  gap: clamp(26px, 4vw, 44px);
  align-items: start;
  padding-top: 18px;
}

.course-hero-copy { min-width: 0; }
.course-hero-copy .kicker { margin-bottom: 14px; }
.course-hero-copy h1 {
  font-weight: 700;
  font-size: clamp(32px, 5.6vw, 56px);
  line-height: 1.02;
  letter-spacing: -0.042em;
  margin: 0 0 16px;
}
.course-hero-copy .lead { max-width: 48ch; margin-bottom: 22px; }

.meta-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.meta-chips li {
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-70);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  padding: 7px 14px;
}

/* Kartu progres hijau gelap */
.progress-card {
  background: var(--green-900);
  color: var(--on-dark);
  border-radius: var(--r-xl);
  padding: clamp(20px, 2.6vw, 26px);
  box-shadow: var(--sh-card-dark);
  position: sticky;
  top: 84px;
}
.progress-card .kicker { margin-bottom: 18px; }

.ring-row {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}

.ring {
  --p: 0%;
  flex: none;
  width: 68px;
  height: 68px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background:
    conic-gradient(var(--green-200) var(--p), rgba(238, 244, 234, 0.18) 0);
  transition: background .45s var(--ease);
}
.ring::before {
  content: "";
  grid-area: 1 / 1;
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: var(--green-900);
}
.ring-num {
  grid-area: 1 / 1;
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
}

.ring-teks {
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: 16px;
  letter-spacing: -0.02em;
  margin: 0 0 5px;
  font-variant-numeric: tabular-nums;
}
.ring-sub {
  font-size: 13.5px;
  line-height: 1.45;
  color: var(--on-dark-70);
  margin: 0;
}

.tautan-reset {
  display: block;
  width: 100%;
  margin-top: 12px;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 500;
  color: var(--on-dark-60);
  padding: 4px;
}
.tautan-reset:hover { color: var(--on-dark); text-decoration: underline; }

/* ------------------------------------------------------------- 3. Bilah tab */
.tabbar-wrap {
  position: sticky;
  top: 61px;
  z-index: 20;
  background: rgba(238, 244, 234, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.tabbar {
  display: flex;
  gap: 8px;
  padding-block: 12px;
  overflow-x: auto;
  scrollbar-width: none;
}
.tabbar::-webkit-scrollbar { display: none; }
.tabbar .tab { white-space: nowrap; }

.panel-area { padding-top: clamp(30px, 4.5vw, 46px); padding-bottom: clamp(20px, 3vw, 30px); }
.panel[hidden] { display: none; }
.panel h2 {
  font-weight: 700;
  font-size: clamp(24px, 3.6vw, 34px);
  letter-spacing: -0.036em;
  line-height: 1.08;
  margin: 0 0 10px;
}

/* --------------------------------------------------------- 4. Tab ikhtisar */
.ikhtisar-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(260px, 1fr);
  gap: clamp(26px, 4vw, 44px);
  align-items: start;
}
.ikhtisar-grid > div { min-width: 0; }
.ikhtisar-grid h2 { margin-bottom: 20px; }

.ikhtisar-sisi { display: grid; gap: 16px; }

.kotak {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 22px;
}
.kotak h3 {
  font-weight: 600;
  font-size: 17px;
  letter-spacing: -0.024em;
  margin: 0 0 14px;
}
.kotak li:last-child { margin-bottom: 0; }

/* ----------------------------------------------------------- 5. Tab materi */
#panel-materi .bar { margin-bottom: 26px; }

.modul-list { display: grid; gap: 26px; }

.modul-kepala {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 12px;
}
.modul-no {
  font-family: var(--font-ui);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--green-600);
  margin: 0;
}
.modul-kepala h3 {
  font-weight: 600;
  font-size: 19px;
  letter-spacing: -0.028em;
  margin: 0;
  min-width: 0;
}
.modul-jml {
  margin: 0 0 0 auto;
  font-size: 13px;
  color: var(--ink-50);
  white-space: nowrap;
}

/* Satu baris materi */
.baris {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px 18px;
  margin-bottom: 8px;
  text-decoration: none;
  color: inherit;
  transition: border-color .18s ease, transform .18s ease, box-shadow .18s ease;
}
.baris:hover {
  border-color: var(--green-300);
  color: inherit;
  transform: translateY(-2px);
  box-shadow: var(--sh-hover-soft);
}

.tanda {
  flex: none;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 1.5px solid var(--line-strong);
  display: grid;
  place-items: center;
  font-size: 12px;
  font-weight: 700;
  color: transparent;
  transition: background .18s ease, border-color .18s ease, color .18s ease;
}
.is-done .tanda {
  background: var(--green-500);
  border-color: var(--green-500);
  color: var(--white);
}

.baris-teks { min-width: 0; display: flex; flex-direction: column; gap: 3px; }
.baris-judul {
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: 15.5px;
  letter-spacing: -0.02em;
  line-height: 1.3;
}
.baris-ringkas {
  font-size: 13.5px;
  line-height: 1.45;
  color: var(--ink-58);
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.baris-durasi {
  margin-left: auto;
  font-size: 13px;
  color: var(--ink-50);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}
.baris-tonton {
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: 13.5px;
  color: var(--green-700);
  white-space: nowrap;
}
.baris.is-done .baris-judul { color: var(--ink-62); }

/* --------------------------------------------------------- 6. Tab tambahan */
#c-sumber .item-foot { justify-content: flex-end; }

.ajakan {
  padding-top: clamp(30px, 4vw, 44px);
  padding-bottom: clamp(50px, 7vw, 80px);
}
.ajakan-panel { align-items: center; }
.ajakan-meta { min-width: 0; }
.harga-besar {
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: clamp(32px, 5vw, 48px);
  letter-spacing: -0.04em;
  line-height: 1;
  margin: 0 0 12px;
  font-variant-numeric: tabular-nums;
}
.harga-sub {
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--on-dark-70);
  margin: 0;
  max-width: 34ch;
}

/* ======================================================================
   7. Halaman materi
   ====================================================================== */
.materi-wrap { padding-bottom: clamp(50px, 7vw, 80px); }

.materi-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 360px);
  gap: clamp(24px, 3vw, 36px);
  align-items: start;
  padding-top: 16px;
}

.materi-utama { min-width: 0; }
.materi-utama .kicker { margin-bottom: 10px; }
.materi-utama h1 {
  font-weight: 700;
  font-size: clamp(26px, 3.8vw, 38px);
  letter-spacing: -0.038em;
  line-height: 1.08;
  margin: 0 0 20px;
}

/* --- pemutar video --- */
.player {
  position: relative;
  aspect-ratio: 16 / 9;
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--green-900);
  box-shadow: var(--sh-card);
}
.player iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}
.player-sampul {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  padding: 0;
  border: none;
  background: var(--green-900);
  cursor: pointer;
  display: grid;
  place-items: center;
}
.player-sampul img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .78;
  transition: opacity .25s ease, scale .35s var(--ease);
}
.player-sampul:hover img { opacity: .62; scale: 1.03; }

.player-tombol {
  position: relative;
  width: 74px;
  height: 74px;
  border-radius: 50%;
  background: var(--bg);
  display: grid;
  place-items: center;
  box-shadow: 0 10px 26px rgba(20, 40, 16, 0.35);
  transition: transform .2s var(--ease), background .2s ease;
}
.player-tombol::before {
  content: "";
  width: 0;
  height: 0;
  margin-left: 5px;
  border-left: 20px solid var(--green-900);
  border-top: 12px solid transparent;
  border-bottom: 12px solid transparent;
}
.player-sampul:hover .player-tombol { transform: scale(1.07); background: var(--white); }

/* --- tindakan: paham + pindah materi --- */
.aksi {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 16px 18px;
  margin-top: 18px;
  transition: border-color .2s ease, background .2s ease;
}
.aksi:has(.paham.is-on) {
  border-color: var(--green-300);
  background: #f2f8ee;
}

.paham {
  display: flex;
  align-items: center;
  gap: 13px;
  min-width: 0;
  margin-right: auto;
  cursor: pointer;
  user-select: none;
}
.paham input {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
}
.paham-kotak {
  flex: none;
  width: 28px;
  height: 28px;
  border-radius: 9px;
  border: 1.8px solid var(--line-strong);
  background: var(--white);
  display: grid;
  place-items: center;
  transition: background .18s ease, border-color .18s ease, transform .12s ease;
}
.paham-kotak::before {
  content: "";
  width: 13px;
  height: 7px;
  border-left: 2.4px solid var(--white);
  border-bottom: 2.4px solid var(--white);
  transform: rotate(-45deg) scale(.5);
  opacity: 0;
  margin-top: -3px;
  transition: opacity .16s ease, transform .18s var(--ease);
}
.paham:hover .paham-kotak { border-color: var(--green-400); }
.paham.is-on .paham-kotak {
  background: var(--green-500);
  border-color: var(--green-500);
}
.paham.is-on .paham-kotak::before { opacity: 1; transform: rotate(-45deg) scale(1); }
.paham input:focus-visible + .paham-kotak {
  outline: 2px solid var(--green-500);
  outline-offset: 2px;
}

.paham-teks { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.paham-judul {
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: 15.5px;
  letter-spacing: -0.02em;
}
.paham-sub { font-size: 13px; color: var(--ink-58); line-height: 1.4; }

.aksi-tombol { display: flex; flex-wrap: wrap; gap: 9px; }
.aksi-tombol .btn { font-size: 14.5px; padding: 12px 20px; }
#m-next.is-siap {
  box-shadow: var(--sh-btn);
  animation: inv-tarik 1.6s ease-in-out 2;
}

@keyframes inv-tarik {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-3px); }
}

/* --- isi materi --- */
.materi-isi { margin-top: 30px; }
.materi-isi h2 {
  font-weight: 600;
  font-size: 21px;
  letter-spacing: -0.028em;
  margin: 0 0 10px;
}
.materi-isi h3 {
  font-weight: 600;
  font-size: 16px;
  letter-spacing: -0.022em;
  margin: 26px 0 14px;
}
.materi-isi p {
  font-size: 15.5px;
  line-height: 1.62;
  color: var(--ink-72);
  margin: 0;
  max-width: 62ch;
}

/* --- daftar putar --- */
.daftar {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  position: sticky;
  top: 84px;
}
.daftar-atas {
  padding: 18px 18px 16px;
  border-bottom: 1px solid var(--line);
  background: var(--white);
}
.daftar-judul {
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: 15.5px;
  letter-spacing: -0.024em;
  margin: 0 0 5px;
}
.daftar-prog {
  font-size: 13px;
  color: var(--ink-58);
  margin: 0 0 12px;
  font-variant-numeric: tabular-nums;
}

.daftar-isi {
  max-height: min(60vh, 520px);
  overflow-y: auto;
  padding: 8px;
  overscroll-behavior: contain;
}
.daftar-modul { padding: 6px 0; }
.daftar-modul-judul {
  font-family: var(--font-ui);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-50);
  margin: 6px 0 6px;
  padding: 0 10px;
}

.daftar-baris {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 10px;
  border-radius: 11px;
  text-decoration: none;
  color: inherit;
  transition: background .16s ease;
}
.daftar-baris:hover { background: rgba(26, 25, 23, 0.045); color: inherit; }
.daftar-baris .tanda { width: 21px; height: 21px; font-size: 11px; }

.daftar-teks { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.daftar-baris-judul {
  font-size: 14px;
  line-height: 1.35;
  color: var(--ink-80);
}
.daftar-baris-durasi {
  font-size: 12px;
  color: var(--ink-50);
  font-variant-numeric: tabular-nums;
}
.daftar-baris.is-done .daftar-baris-judul { color: var(--ink-58); }
.daftar-baris.is-now {
  background: var(--green-100);
}
.daftar-baris.is-now .daftar-baris-judul {
  font-family: var(--font-ui);
  font-weight: 600;
  letter-spacing: -0.018em;
  color: var(--green-900);
}
.daftar-baris.is-now .daftar-baris-durasi { color: var(--green-700); }

/* ======================================================================
   8. Galeri kelas — kelas.html
   ====================================================================== */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.galeri-hero { padding-bottom: clamp(24px, 3.4vw, 34px); }
.galeri-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(260px, 1fr);
  gap: clamp(26px, 4vw, 48px);
  align-items: end;
  padding-top: 20px;
}
.galeri-hero h1 {
  font-weight: 700;
  font-size: clamp(34px, 6vw, 62px);
  line-height: 1;
  letter-spacing: -0.045em;
  margin: 0 0 16px;
}
.galeri-hero .lead { max-width: 46ch; margin-bottom: 0; }

.galeri-angka {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  list-style: none;
  margin: 0;
  padding: 0;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
}
.galeri-angka li {
  background: var(--bg);
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.angka-num {
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: 26px;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--green-900);
  font-variant-numeric: tabular-nums;
}
.angka-lbl { font-size: 13px; color: var(--ink-62); }

/* --- sambungan "sedang Anda jalani" --- */
.lanjut-strip {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--green-900);
  color: var(--on-dark);
  border-radius: var(--r-lg);
  padding: 16px 20px;
  text-decoration: none;
  box-shadow: var(--sh-card-dark);
  transition: transform .2s var(--ease), box-shadow .2s ease;
}
.lanjut-strip:hover {
  color: var(--on-dark);
  transform: translateY(-2px);
  box-shadow: 0 16px 34px rgba(35, 68, 28, 0.26);
}

.lanjut-ring {
  --p: 0%;
  flex: none;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: conic-gradient(var(--green-200) var(--p), rgba(238, 244, 234, 0.18) 0);
}
.lanjut-ring::before {
  content: "";
  grid-area: 1 / 1;
  width: 39px;
  height: 39px;
  border-radius: 50%;
  background: var(--green-900);
}
.lanjut-ring span {
  grid-area: 1 / 1;
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: 12.5px;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
}

.lanjut-teks { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.lanjut-kicker {
  font-family: var(--font-ui);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--green-200);
}
.lanjut-judul {
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: 17px;
  letter-spacing: -0.024em;
}
.lanjut-sub {
  font-size: 13.5px;
  color: var(--on-dark-70);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.lanjut-aksi {
  margin-left: auto;
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: 14.5px;
  white-space: nowrap;
}

/* --- baris saringan --- */
.galeri-alat {
  display: flex;
  align-items: center;
  gap: 14px;
}
.galeri-alat .tabbar { flex: 1 1 auto; min-width: 0; }

.cari {
  position: relative;
  flex: none;
  width: min(260px, 40vw);
}
.cari input {
  width: 100%;
  font-family: var(--font-body);
  font-size: 15px;
  padding: 10px 14px 10px 38px;
  border: 1.5px solid var(--line-strong);
  border-radius: var(--r-pill);
  background: var(--surface);
  color: var(--ink);
  transition: border-color .16s ease, box-shadow .16s ease, background .16s ease;
}
.cari input::placeholder { color: var(--ink-50); }
.cari input:hover { border-color: var(--green-300); }
.cari input:focus {
  outline: none;
  background: var(--white);
  border-color: var(--green-400);
  box-shadow: 0 0 0 3px rgba(79, 143, 63, 0.15);
}
.cari input::-webkit-search-cancel-button { cursor: pointer; }

.cari-ikon {
  position: absolute;
  left: 15px;
  top: 50%;
  width: 11px;
  height: 11px;
  margin-top: -7px;
  border: 1.8px solid var(--ink-50);
  border-radius: 50%;
  pointer-events: none;
}
.cari-ikon::after {
  content: "";
  position: absolute;
  right: -5px;
  bottom: -4px;
  width: 6px;
  height: 1.8px;
  background: var(--ink-50);
  border-radius: 2px;
  transform: rotate(45deg);
}

/* --- kisi kartu --- */
.galeri {
  padding-top: clamp(26px, 4vw, 40px);
  padding-bottom: clamp(20px, 3vw, 30px);
}
.galeri-hitung {
  font-size: 13.5px;
  color: var(--ink-55);
  margin: 0 0 16px;
  font-variant-numeric: tabular-nums;
}

.galeri-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(290px, 100%), 1fr));
  gap: 20px;
}

.kartu {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  padding: 12px;
  text-decoration: none;
  color: inherit;
  transition: border-color .22s ease, transform .22s var(--ease), box-shadow .22s ease;
}
.kartu:hover {
  color: inherit;
  border-color: var(--green-300);
  transform: translateY(-5px);
  box-shadow: var(--sh-hover);
}
.kartu[hidden] { display: none; }

/* Sampul: tanpa berkas gambar — perpaduan warna + pola halus + ikon vektor. */
.sampul {
  position: relative;
  display: grid;
  place-items: center;
  aspect-ratio: 16 / 10;
  border-radius: 15px;
  overflow: hidden;
  color: var(--on-dark);
  background-image: linear-gradient(142deg, var(--g1), var(--g2));
}
.kartu[data-nada="0"] { --g1: #23441c; --g2: #4f8f3f; }
.kartu[data-nada="1"] { --g1: #2f5c26; --g2: #7fae6d; }
.kartu[data-nada="2"] { --g1: #1f3b2c; --g2: #3a7330; }
.kartu[data-nada="3"] { --g1: #3a5a1f; --g2: #9ec68e; }

/* Pola garis tipis, dibuat dari gradien supaya tidak perlu berkas gambar. */
.sampul::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    115deg,
    rgba(238, 244, 234, 0.10) 0 1px,
    transparent 1px 13px
  );
}
.sampul::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(70% 80% at 22% 12%, rgba(238, 244, 234, 0.22), transparent 62%);
}

/* Sampul berupa gambar sungguhan. Pola garis dimatikan supaya tidak
   mengotori foto, dan diganti gelap bertingkat di bawah agar label kategori
   tetap terbaca di atas gambar seterang apa pun. */
.sampul-gambar {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: scale .35s var(--ease);
}
.kartu:hover .sampul-gambar { scale: 1.04; }

.sampul-foto::before { display: none; }
.sampul-foto::after {
  background: linear-gradient(to top, rgba(20, 38, 16, 0.58), rgba(20, 38, 16, 0.05) 55%);
}

.sampul-ikon {
  position: relative;
  z-index: 1;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: rgba(238, 244, 234, 0.14);
  border: 1px solid rgba(238, 244, 234, 0.22);
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
  transition: transform .25s var(--ease), background .25s ease;
}
.sampul-ikon svg { width: 27px; height: 27px; }
.kartu:hover .sampul-ikon {
  transform: scale(1.08);
  background: rgba(238, 244, 234, 0.2);
}

.sampul-status,
.sampul-kategori {
  position: absolute;
  z-index: 1;
  font-family: var(--font-ui);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 5px 11px;
  border-radius: var(--r-pill);
}
.sampul-status {
  top: 12px;
  left: 12px;
  background: var(--on-dark);
  color: var(--green-900);
}
.sampul-status.is-nanti {
  background: rgba(238, 244, 234, 0.16);
  color: var(--on-dark);
  box-shadow: inset 0 0 0 1px rgba(238, 244, 234, 0.34);
}
.sampul-kategori {
  bottom: 12px;
  left: 12px;
  letter-spacing: 0.04em;
  text-transform: none;
  font-weight: 500;
  background: rgba(20, 38, 16, 0.34);
  color: var(--on-dark-76);
}

.kartu-isi {
  display: flex;
  flex-direction: column;
  gap: 9px;
  padding: 18px 8px 8px;
  flex: 1 1 auto;
}
.kartu-judul {
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: 20px;
  letter-spacing: -0.03em;
  line-height: 1.18;
}
.kartu-ringkas {
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--ink-70);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.kartu-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 12.5px;
  color: var(--ink-55);
  margin-top: 2px;
}
.kartu-meta > span { display: inline-flex; align-items: center; }
.kartu-meta > span + span::before {
  content: "";
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--ink-50);
  margin-right: 8px;
}

.kartu-kaki {
  display: flex;
  align-items: center;
  gap: 12px;
  border-top: 1px solid var(--line);
  padding-top: 13px;
  margin-top: auto;
}
.kartu-harga {
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: -0.02em;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}
.kartu-aksi {
  margin-left: auto;
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: 14px;
  color: var(--green-700);
  white-space: nowrap;
  transition: transform .2s var(--ease);
}
.kartu:hover .kartu-aksi { transform: translateX(3px); }

.kosong-hasil {
  background: var(--surface);
  border: 1px dashed var(--line-strong);
  border-radius: var(--r-md);
  padding: 30px 24px;
  text-align: center;
  font-size: 15px;
  color: var(--ink-65);
  margin: 0;
}
.tautan-teks {
  background: none;
  border: none;
  padding: 0;
  font: inherit;
  color: var(--green-700);
  font-weight: 600;
  cursor: pointer;
  text-decoration: underline;
}

/* ------------------------------------------------------------ 9. Responsif */
@media (max-width: 980px) {
  .course-hero-grid,
  .ikhtisar-grid { grid-template-columns: minmax(0, 1fr); }
  .progress-card { position: static; }
  .materi-grid { grid-template-columns: minmax(0, 1fr); }
  .daftar { position: static; }
  .daftar-isi { max-height: 420px; }

  .galeri-hero-grid { grid-template-columns: minmax(0, 1fr); align-items: start; }
  .galeri-angka { grid-template-columns: repeat(4, 1fr); }
}

@media (max-width: 760px) {
  /* Di bawah 760px bilah nav lebih tinggi karena tombol burger (44px). */
  .tabbar-wrap { top: 68px; }
  .tabbar { margin-inline: calc(var(--gutter) * -1); padding-inline: var(--gutter); }

  .baris { flex-wrap: wrap; row-gap: 6px; padding: 14px; }
  .baris-ringkas { display: none; }
  .baris-tonton { display: none; }

  .aksi { padding: 14px; }
  .aksi-tombol { width: 100%; }
  .aksi-tombol .btn { flex: 1 1 auto; }

  .ajakan-panel { align-items: start; }

  .galeri-angka { grid-template-columns: 1fr 1fr; }

  .galeri-alat { flex-wrap: wrap; gap: 10px; }
  .galeri-alat .tabbar { order: 2; flex-basis: 100%; }
  .cari { order: 1; width: 100%; }

  .lanjut-strip { flex-wrap: wrap; row-gap: 12px; padding: 16px; }
  .lanjut-aksi { margin-left: 66px; }
  .lanjut-sub { white-space: normal; }
}

/* ------------------------------------------------ 10. Hormati preferensi */
@media (prefers-reduced-motion: reduce) {
  #m-next.is-siap { animation: none; }
  .player-sampul:hover img { scale: 1; }
}

/* --- panel materi terkunci (kelas berbayar) --- */
.kunci-panel {
  border-radius: var(--r-lg);
  background: var(--white);
  box-shadow: var(--sh-card);
  border: 1px solid var(--line);
  padding: clamp(28px, 5vw, 48px) clamp(20px, 4vw, 40px);
  text-align: center;
  margin-bottom: 20px;
}
.kunci-ikon { font-size: 44px; margin-bottom: 12px; }
.kunci-panel h2 { margin: 0 0 10px; font-size: clamp(22px, 3.5vw, 30px); }
.kunci-panel p { color: var(--ink-70); max-width: 44ch; margin: 0 auto 22px; line-height: 1.6; }
.kunci-aksi { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }
.baris.is-kunci .baris-tonton { color: var(--ink-55); }