/* Extracted from course_detail.php in v1.3.1 for CSP/cache maintainability. */
:root {
  --sky:#eef6ff;--white:#fff;--ink:#0f1b2d;--slate:#3d5478;--muted:#7b93b3;--border:#dde8f5;
  --blue:#2563eb;--blue-l:#3b82f6;--blue-xl:#eff6ff;
  --violet:#7c3aed;--violet-l:#ede9fe;
  --amber:#f59e0b;--amber-l:#fef3c7;--amber-d:#d97706;
  --teal:#0d9488;--teal-l:#f0fdfa;
  --emerald:#059669;--emerald-l:#ecfdf5;
  --rose:#e11d48;--rose-l:#fff1f2;
  --radius:14px;
  --shadow-sm:0 2px 12px rgba(37,99,235,.08);
  --shadow-md:0 8px 32px rgba(37,99,235,.12);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
body{background:var(--sky);color:var(--ink);font-family:'Plus Jakarta Sans',sans-serif;overflow-x:hidden;}
[data-reveal]{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease;}
[data-reveal].revealed{opacity:1;transform:none;}

/* HERO */
.detail-hero{background:var(--white);border-bottom:1px solid var(--border);padding:60px 0 0;position:relative;overflow:hidden;}
.detail-hero::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 50% 80% at 100% 0%,#dbeafe 0%,transparent 55%),radial-gradient(ellipse 35% 60% at 0% 100%,#ede9fe 0%,transparent 50%);}
.detail-hero::after{content:'';position:absolute;inset:0;background-image:radial-gradient(circle,#cbd5e1 1px,transparent 1px);background-size:28px 28px;opacity:.28;}
.hero-inner{position:relative;z-index:2;}
.breadcrumb-bar{display:flex;align-items:center;gap:8px;font-size:.78rem;font-weight:600;color:var(--muted);margin-bottom:1.5rem;}
.breadcrumb-bar a{color:var(--blue);text-decoration:none;}.breadcrumb-bar a:hover{text-decoration:underline;}.breadcrumb-bar i{font-size:.6rem;}
.hero-cat{display:inline-flex;align-items:center;gap:6px;font-size:.72rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--blue);background:var(--blue-xl);border:1px solid #bfdbfe;padding:5px 14px;border-radius:100px;margin-bottom:1rem;}
.hero-title{font-family:'Fraunces',serif;font-size:clamp(2rem,4.5vw,3.6rem);font-weight:700;line-height:1.1;letter-spacing:-.02em;margin-bottom:1rem;max-width:700px;}
.hero-title span{background:linear-gradient(135deg,var(--blue),var(--violet));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;}
.hero-desc{font-size:.97rem;color:var(--slate);line-height:1.75;max-width:640px;margin-bottom:1.8rem;}
.hero-meta{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:2rem;}
.meta-pill{display:inline-flex;align-items:center;gap:7px;background:var(--white);border:1.5px solid var(--border);border-radius:100px;padding:7px 16px;font-size:.78rem;font-weight:600;color:var(--slate);box-shadow:var(--shadow-sm);}
.meta-pill i{color:var(--blue);}
.hero-image-strip{margin-top:2.5rem;border-radius:20px 20px 0 0;overflow:hidden;border:1.5px solid var(--border);border-bottom:none;box-shadow:0 -8px 40px rgba(37,99,235,.08);max-height:420px;}
.hero-image-strip img{width:100%;height:420px;object-fit:cover;display:block;}
.hero-image-placeholder{height:280px;background:linear-gradient(135deg,var(--blue-xl),var(--violet-l));display:flex;align-items:center;justify-content:center;flex-direction:column;gap:12px;border-radius:20px 20px 0 0;border:1.5px solid var(--border);border-bottom:none;}
.hero-image-placeholder i{font-size:3.5rem;color:var(--blue);opacity:.4;}
.hero-image-placeholder span{font-size:.82rem;font-weight:600;color:var(--muted);}

/* CONTENT */
.content-wrap{padding:48px 0 80px;}
.detail-card{background:var(--white);border:1.5px solid var(--border);border-radius:var(--radius);overflow:hidden;margin-bottom:24px;box-shadow:var(--shadow-sm);}
.detail-card-header{display:flex;align-items:center;gap:10px;padding:18px 24px;border-bottom:1px solid var(--border);font-size:.88rem;font-weight:700;color:var(--ink);}
.detail-card-header .hico{width:34px;height:34px;border-radius:9px;display:flex;align-items:center;justify-content:center;font-size:.9rem;flex-shrink:0;}
.detail-card-body{padding:24px;}
.info-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.info-item{display:flex;align-items:flex-start;gap:12px;padding:14px;background:var(--sky);border:1px solid var(--border);border-radius:10px;transition:all .25s;}
.info-item:hover{border-color:#bfdbfe;background:var(--blue-xl);}
.info-ico{width:36px;height:36px;border-radius:9px;display:flex;align-items:center;justify-content:center;font-size:.88rem;flex-shrink:0;}
.info-label{font-size:.7rem;color:var(--muted);font-weight:600;text-transform:uppercase;letter-spacing:.06em;margin-bottom:2px;}
.info-val{font-size:.88rem;font-weight:700;color:var(--ink);}
.level-badge{display:inline-flex;align-items:center;gap:4px;font-size:.75rem;font-weight:700;padding:3px 10px;border-radius:100px;}
.lv-Beginner{background:var(--emerald-l);color:var(--emerald);}
.lv-Intermediate{background:var(--amber-l);color:var(--amber);}
.lv-Advanced{background:var(--violet-l);color:var(--violet);}
.learning-outcomes-content{font-size:.9rem;line-height:1.8;color:var(--slate);}
.learning-outcomes-content ul{list-style:none;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:10px;}
.learning-outcomes-content li{position:relative;padding:12px 12px 12px 38px;background:var(--sky);border:1px solid var(--border);border-radius:10px;font-size:.84rem;font-weight:500;color:var(--slate);transition:all .25s;}
.learning-outcomes-content li:hover{border-color:#bfdbfe;background:var(--blue-xl);color:var(--ink);}
.learning-outcomes-content li::before{content:'\f058';font-family:'Font Awesome 5 Free';font-weight:900;position:absolute;left:12px;top:13px;color:var(--emerald);font-size:1rem;}
.outcome-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;}
.outcome-item{display:flex;align-items:center;gap:10px;padding:12px 14px;background:var(--sky);border:1px solid var(--border);border-radius:10px;font-size:.84rem;font-weight:500;color:var(--slate);transition:all .25s;}
.outcome-item:hover{border-color:#bfdbfe;background:var(--blue-xl);color:var(--ink);}
.outcome-item i{color:var(--emerald);flex-shrink:0;}

/* FREE LESSON PREVIEW CARD di konten kiri */
.free-preview-card{
  background:linear-gradient(135deg,rgba(13,148,136,.06),rgba(8,145,178,.06));
  border:1.5px solid rgba(13,148,136,.25);
  border-radius:var(--radius);
  padding:20px 24px;
  margin-bottom:24px;
  display:flex;align-items:center;gap:16px;
}
.fpc-ico{
  width:52px;height:52px;border-radius:14px;flex-shrink:0;
  background:linear-gradient(135deg,var(--teal),#0891b2);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:1.3rem;
  box-shadow:0 6px 16px rgba(13,148,136,.28);
}
.fpc-body{flex:1;}
.fpc-body h4{font-family:'Fraunces',serif;font-size:1rem;font-weight:700;color:var(--ink);margin-bottom:4px;}
.fpc-body p{font-size:.8rem;color:var(--slate);line-height:1.55;margin-bottom:0;}
.fpc-btn{
  display:inline-flex;align-items:center;gap:7px;padding:10px 18px;
  border-radius:10px;background:linear-gradient(135deg,var(--teal),#0891b2);
  color:#fff;font-family:'Plus Jakarta Sans',sans-serif;font-size:.8rem;font-weight:700;
  text-decoration:none;white-space:nowrap;flex-shrink:0;
  box-shadow:0 4px 12px rgba(13,148,136,.28);transition:all .22s;
}
.fpc-btn:hover{transform:translateY(-1px);box-shadow:0 6px 18px rgba(13,148,136,.38);color:#fff;}

/* SIDEBAR */
.sidebar-card{background:var(--white);border:1.5px solid var(--border);border-radius:20px;overflow:hidden;box-shadow:var(--shadow-md);position:sticky;top:24px;}
.price-block{background:linear-gradient(135deg,var(--blue),var(--violet));padding:28px 28px 24px;text-align:center;}
.price-val{font-family:'Fraunces',serif;font-size:2.6rem;font-weight:700;color:#fff;line-height:1;margin-bottom:4px;}
.price-free-badge{display:inline-flex;align-items:center;gap:6px;background:rgba(255,255,255,.2);color:#fff;border-radius:100px;padding:6px 18px;font-size:.82rem;font-weight:700;letter-spacing:.05em;}
.price-sub{font-size:.78rem;color:rgba(255,255,255,.7);margin-top:6px;}
.sidebar-body{padding:24px;}

/* alerts */
.alert-custom{display:flex;align-items:flex-start;gap:10px;padding:14px 16px;border-radius:10px;margin-bottom:16px;font-size:.83rem;font-weight:500;line-height:1.5;}
.alert-success-c{background:var(--emerald-l);color:#065f46;border:1px solid #a7f3d0;}
.alert-danger-c{background:var(--rose-l);color:#9f1239;border:1px solid #fecdd3;}
.alert-close{background:none;border:none;cursor:pointer;margin-left:auto;font-size:.9rem;opacity:.6;padding:0;color:inherit;}
.alert-close:hover{opacity:1;}

/* buttons */
.btn-cta{display:flex;align-items:center;justify-content:center;gap:9px;width:100%;padding:15px;border-radius:12px;border:none;cursor:pointer;font-family:'Plus Jakarta Sans',sans-serif;font-size:.92rem;font-weight:700;text-decoration:none;text-align:center;transition:all .25s;margin-bottom:10px;}
.btn-cta-primary{background:linear-gradient(135deg,var(--blue),var(--violet));color:#fff;box-shadow:0 6px 20px rgba(37,99,235,.28);}
.btn-cta-primary:hover{transform:translateY(-2px);box-shadow:0 10px 28px rgba(37,99,235,.38);color:#fff;}
.btn-cta-success{background:linear-gradient(135deg,var(--emerald),var(--teal));color:#fff;box-shadow:0 6px 20px rgba(5,150,105,.28);}
.btn-cta-success:hover{transform:translateY(-2px);color:#fff;}
.btn-cta-outline{background:var(--white);color:var(--blue);border:2px solid var(--blue-l);}
.btn-cta-outline:hover{background:var(--blue-xl);color:var(--blue);text-decoration:none;}
.btn-cta-teal{background:linear-gradient(135deg,var(--teal),#0891b2);color:#fff;box-shadow:0 6px 20px rgba(13,148,136,.28);}
.btn-cta-teal:hover{transform:translateY(-2px);color:#fff;}

/* ── TOMBOL PREVIEW ── */
.btn-cta-preview{
  background:linear-gradient(135deg,#0891b2,var(--teal));
  color:#fff;
  box-shadow:0 6px 20px rgba(8,145,178,.28);
  position:relative;overflow:hidden;
}
.btn-cta-preview:hover{transform:translateY(-2px);box-shadow:0 10px 28px rgba(8,145,178,.38);color:#fff;}
.btn-cta-preview::before{
  content:'';position:absolute;top:0;left:-60%;width:40%;height:100%;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.18),transparent);
  transform:skewX(-20deg);
  animation:shimmer 2.8s ease-in-out infinite;
}
@keyframes shimmer{0%{left:-60%;}100%{left:120%;}}
.preview-badge-pill{
  display:inline-flex;align-items:center;gap:4px;
  background:rgba(255,255,255,.22);
  padding:2px 9px;border-radius:100px;
  font-size:.68rem;font-weight:800;letter-spacing:.04em;margin-left:2px;
}

/* ── PREVIEW SEP ── */
.preview-sep{
  display:flex;align-items:center;gap:10px;
  margin:2px 0 10px;
  font-size:.7rem;font-weight:700;color:var(--muted);letter-spacing:.07em;
}
.preview-sep::before,.preview-sep::after{content:'';flex:1;height:1px;background:var(--border);}

/* ── LOGIN GATE BANNER ── */
.login-gate{background:linear-gradient(135deg,rgba(37,99,235,.06),rgba(124,58,237,.06));border:1.5px solid #bfdbfe;border-radius:14px;padding:20px;margin-bottom:14px;text-align:center;}
.login-gate-ico{width:48px;height:48px;border-radius:14px;margin:0 auto 12px;background:linear-gradient(135deg,var(--blue),var(--violet));display:flex;align-items:center;justify-content:center;font-size:1.2rem;color:#fff;}
.login-gate h4{font-family:'Fraunces',serif;font-size:1rem;font-weight:700;color:var(--ink);margin-bottom:6px;}
.login-gate p{font-size:.78rem;color:var(--slate);line-height:1.6;margin-bottom:14px;}
.login-gate-btns{display:flex;gap:8px;}
.btn-gate-login{flex:1;display:flex;align-items:center;justify-content:center;gap:7px;padding:11px;border-radius:10px;border:none;cursor:pointer;font-family:'Plus Jakarta Sans',sans-serif;font-size:.82rem;font-weight:700;background:linear-gradient(135deg,var(--blue),var(--violet));color:#fff;text-decoration:none;box-shadow:0 4px 14px rgba(37,99,235,.28);transition:all .22s;}
.btn-gate-login:hover{transform:translateY(-1px);color:#fff;}
.btn-gate-register{flex:1;display:flex;align-items:center;justify-content:center;gap:7px;padding:11px;border-radius:10px;border:1.5px solid var(--border);font-family:'Plus Jakarta Sans',sans-serif;font-size:.82rem;font-weight:700;background:var(--white);color:var(--slate);text-decoration:none;transition:all .22s;}
.btn-gate-register:hover{border-color:var(--blue);color:var(--blue);}

.enrolled-badge{display:flex;align-items:center;gap:10px;background:var(--emerald-l);border:1.5px solid #a7f3d0;border-radius:10px;padding:14px 16px;margin-bottom:16px;font-size:.84rem;font-weight:600;color:#065f46;}
.or-divider{display:flex;align-items:center;gap:10px;margin:16px 0;font-size:.75rem;font-weight:700;color:var(--muted);letter-spacing:.08em;}
.or-divider::before,.or-divider::after{content:'';flex:1;height:1px;background:var(--border);}

/* voucher */
.voucher-box{border:2px dashed var(--amber);border-radius:12px;padding:18px;background:var(--amber-l);margin-bottom:16px;transition:all .3s;}
.voucher-box:focus-within{border-color:#d97706;background:#fef9ec;}
.voucher-title{font-size:.82rem;font-weight:700;color:#92400e;margin-bottom:12px;display:flex;align-items:center;gap:7px;}
.voucher-input-row{display:flex;gap:8px;}
.voucher-input{flex:1;padding:10px 14px;border:1.5px solid #fde68a;border-radius:8px;font-family:'Courier New',monospace;font-size:.88rem;font-weight:700;letter-spacing:2px;text-transform:uppercase;outline:none;background:var(--white);color:var(--ink);transition:border-color .25s;}
.voucher-input:focus{border-color:var(--amber);box-shadow:0 0 0 3px rgba(245,158,11,.15);}
.voucher-input::placeholder{font-family:'Plus Jakarta Sans',sans-serif;font-weight:500;letter-spacing:normal;color:var(--muted);font-size:.8rem;}
.btn-voucher{display:flex;align-items:center;gap:6px;padding:10px 16px;border-radius:8px;border:none;cursor:pointer;background:linear-gradient(135deg,var(--amber),#d97706);color:#fff;font-family:'Plus Jakarta Sans',sans-serif;font-size:.8rem;font-weight:700;white-space:nowrap;transition:all .25s;}
.btn-voucher:hover{transform:translateY(-1px);box-shadow:0 4px 12px rgba(245,158,11,.3);}
.voucher-hint{font-size:.72rem;color:#92400e;margin-top:8px;}

/* payment */
.payment-bar{text-align:center;margin-bottom:20px;}
.payment-bar p{font-size:.72rem;color:var(--muted);font-weight:600;margin-bottom:10px;text-transform:uppercase;letter-spacing:.08em;}
.payment-logos{display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap;}
.payment-logos img{height:22px;opacity:.65;filter:grayscale(30%);transition:all .25s;}
.payment-logos img:hover{opacity:1;filter:none;}
.sidebar-divider{height:1px;background:var(--border);margin:20px 0;}
.includes-title{font-size:.8rem;font-weight:700;color:var(--ink);margin-bottom:14px;text-transform:uppercase;letter-spacing:.08em;}
.includes-list{list-style:none;padding:0;display:flex;flex-direction:column;gap:10px;}
.includes-item{display:flex;align-items:center;gap:10px;font-size:.82rem;color:var(--slate);font-weight:500;}
.inc-ico{width:30px;height:30px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:.78rem;flex-shrink:0;}
.trust-badge{display:flex;align-items:center;gap:8px;background:var(--blue-xl);border:1px solid #bfdbfe;border-radius:10px;padding:12px 14px;margin-top:16px;font-size:.78rem;font-weight:600;color:var(--blue);}
.disc-count{display:inline-flex;align-items:center;gap:5px;background:rgba(255,255,255,.2);padding:3px 10px;border-radius:100px;font-size:.75rem;font-weight:600;margin-left:6px;}

@media(max-width:991px){
  .info-grid{grid-template-columns:1fr 1fr;}
  .learning-outcomes-content ul{grid-template-columns:1fr;}
  .outcome-grid{grid-template-columns:1fr;}
  .sidebar-card{position:static;margin-top:32px;}
  .free-preview-card{flex-direction:column;text-align:center;}
  .fpc-btn{width:100%;justify-content:center;}
}
@media(max-width:576px){
  .info-grid{grid-template-columns:1fr;}
  .hero-meta{gap:8px;}
  .free-preview-card{padding:16px;}
}