/* SAT Business Academy — course-detail.html styles */


/* ============================================================
   SAT Business Academy — Shared Brand Stylesheet
   ============================================================ */

:root{
  --green:#00AB41;
  --green-deep:#00832F;
  --green-darker:#005C20;
  --green-soft:#D4F2DD;
  --green-tint:#E8F8EE;
  --yellow:#FFD60A;
  --yellow-deep:#E5BD00;
  --yellow-soft:#FFF4B8;
  --white:#ffffff;
  --off:#FAFAF5;
  --off-2:#F2F2EA;
  --ink:#0a1f12;
  --ink-soft:#3a4a40;
  --ink-mute:#6b7a70;
  --black:#0a0a0a;
  --rule:rgba(10,31,18,.14);
  --rule-soft:rgba(10,31,18,.07);
  --sale:#E5394B;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{background:var(--off);color:var(--ink);font-family:'Inter Tight',sans-serif;-webkit-font-smoothing:antialiased;}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
.wrap{max-width:1320px;margin:0 auto;padding:0 32px;position:relative;z-index:2}

/* ---------- TOP BAR ---------- */
}
/* ---------- NAV ---------- */
nav{position:sticky;top:0;z-index:50;background:var(--white);border-bottom:1px solid var(--rule);box-shadow:0 1px 0 rgba(0,0,0,.02)}
nav .wrap{display:flex;justify-content:space-between;align-items:center;padding:14px 32px;gap:32px}
.logo{display:flex;align-items:center;background:var(--black);padding:8px 14px;border-radius:8px;flex-shrink:0;transition:transform .3s}
.logo:hover{transform:translateY(-1px)}
.logo img{height:38px;width:auto;display:block}
.nav-search{flex:1;max-width:280px;position:relative}
.nav-search input{width:100%;padding:11px 16px 11px 40px;background:var(--off-2);border:1.5px solid transparent;border-radius:999px;font-family:inherit;font-size:13px;color:var(--ink);outline:none;transition:all .3s;font-weight:500}
.nav-search input:focus{border-color:var(--green);background:var(--white)}
.nav-search input::placeholder{color:var(--ink-mute);font-weight:400}
.nav-search > svg{position:absolute;left:14px;top:50%;transform:translateY(-50%);width:14px;height:14px;color:var(--ink-soft)}
.nav-links{display:flex;gap:28px;font-size:14px;font-weight:600}
.nav-links a{position:relative;padding:6px 0;transition:color .3s;white-space:nowrap}
.nav-links a:hover,.nav-links a.active{color:var(--green)}
.nav-links a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--green);transition:width .35s;border-radius:2px}
.nav-links a:hover::after,.nav-links a.active::after{width:100%}
.nav-actions{display:flex;align-items:center;gap:6px}
.icon-btn{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;transition:all .3s;position:relative;color:var(--ink)}
.icon-btn:hover{background:var(--green);color:var(--white)}
.icon-btn svg{width:18px;height:18px}
.cart-count{position:absolute;top:0;right:0;min-width:20px;height:20px;border-radius:999px;background:var(--yellow);color:var(--black);font-size:11px;display:grid;place-items:center;font-family:'JetBrains Mono',monospace;font-weight:700;border:2px solid var(--white);padding:0 5px}

/* ---------- BUTTONS ---------- */
.btn-primary{background:var(--green);color:var(--white);padding:18px 30px;border-radius:999px;font-size:14px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;display:inline-flex;align-items:center;gap:12px;transition:all .3s cubic-bezier(.2,.7,.3,1);box-shadow:0 8px 24px -8px rgba(0,171,65,.5)}
.btn-primary:hover{background:var(--green-deep);transform:translateY(-2px);box-shadow:0 14px 30px -10px rgba(0,171,65,.65)}
.btn-primary svg{width:14px;height:14px;transition:transform .3s}
.btn-primary:hover svg{transform:translateX(4px)}
.btn-yellow{background:var(--yellow);color:var(--black);padding:18px 30px;border-radius:999px;font-size:14px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;display:inline-flex;align-items:center;gap:12px;transition:all .3s cubic-bezier(.2,.7,.3,1)}
.btn-yellow:hover{background:var(--yellow-deep);transform:translateY(-2px);box-shadow:0 14px 30px -10px rgba(255,214,10,.6)}
.btn-ghost{color:var(--ink);padding:18px 4px;font-size:14px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;border-bottom:2px solid var(--ink);transition:all .3s;display:inline-flex;align-items:center;gap:8px}
.btn-ghost:hover{color:var(--green);border-color:var(--green);gap:14px}

/* ---------- BREADCRUMB ---------- */
.crumb{padding:24px 0;font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-mute);font-weight:500}
.crumb a{color:var(--ink-soft);transition:color .3s}
.crumb a:hover{color:var(--green)}
.crumb .sep{margin:0 12px;color:var(--ink-mute)}
.crumb .here{color:var(--ink);font-weight:600}

/* ---------- PAGE HEADER ---------- */
.page-head{padding:48px 0 60px;position:relative;overflow:hidden;border-bottom:1px solid var(--rule)}
.page-head::before{content:"";position:absolute;top:-100px;right:-150px;width:480px;height:480px;border-radius:50%;background:radial-gradient(circle, var(--yellow-soft) 0%, transparent 65%);z-index:1}
.page-head::after{content:"";position:absolute;bottom:-150px;left:-120px;width:480px;height:480px;border-radius:50%;background:radial-gradient(circle, var(--green-soft) 0%, transparent 65%);z-index:1}
.page-head .wrap{position:relative;z-index:2}
.page-eyebrow{font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--green-deep);display:inline-flex;align-items:center;gap:14px;margin-bottom:22px;background:var(--green-tint);padding:8px 16px;border-radius:999px;font-weight:600}
.page-eyebrow .dot{width:7px;height:7px;background:var(--green);border-radius:50%}
.page-title{font-family:'Fraunces',serif;font-weight:500;font-size:clamp(40px,5.8vw,84px);line-height:.98;letter-spacing:-.025em;max-width:980px}
.page-title em{font-style:italic;color:var(--green);font-weight:400}
.page-title .hl{position:relative;display:inline-block;z-index:1;padding:0 8px}
.page-title .hl::before{content:"";position:absolute;left:0;top:50%;width:100%;height:.6em;background:var(--yellow);transform:translateY(-12%) rotate(-1deg);z-index:-1;border-radius:4px}
.page-sub{font-size:18px;line-height:1.6;color:var(--ink-soft);max-width:680px;margin-top:24px}
.page-sub strong{color:var(--ink);font-weight:600}

/* ---------- FOOTER ---------- */
footer{background:var(--black);color:var(--white);padding:80px 0 32px;position:relative;z-index:2;margin-top:0}
footer::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 70% 30%, rgba(0,171,65,.18), transparent 50%);pointer-events:none}
.foot-top{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:60px;padding-bottom:60px;border-bottom:1px solid rgba(255,255,255,.1);position:relative}
.foot-brand{position:relative;z-index:2}
.foot-brand img{height:48px;width:auto;margin-bottom:22px;display:block}
.foot-brand p{font-size:14.5px;line-height:1.6;color:rgba(255,255,255,.65);max-width:340px;margin-bottom:24px}
.foot-social{display:flex;gap:10px}
.foot-social a{width:38px;height:38px;border-radius:50%;background:rgba(255,255,255,.07);display:grid;place-items:center;color:rgba(255,255,255,.7);transition:all .3s}
.foot-social a:hover{background:var(--green);color:var(--white);transform:translateY(-2px)}
.foot-social a svg{width:15px;height:15px}
.foot-col h4{font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--yellow);margin-bottom:20px;font-weight:700}
.foot-col ul{list-style:none;display:flex;flex-direction:column;gap:11px}
.foot-col a{font-size:14.5px;color:rgba(255,255,255,.7);transition:color .3s}
.foot-col a:hover{color:var(--green)}
.foot-bot{display:flex;justify-content:space-between;align-items:center;padding-top:32px;font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:rgba(255,255,255,.5);position:relative;flex-wrap:wrap;gap:16px;font-weight:500}
.foot-pay{display:flex;gap:10px;align-items:center;color:rgba(255,255,255,.55)}
.foot-pay span{padding:5px 11px;border:1px solid rgba(255,255,255,.18);border-radius:6px;font-size:10px;font-weight:700;letter-spacing:.08em}

/* ---------- CART DRAWER ---------- */
.cart-overlay{position:fixed;inset:0;background:rgba(10,31,18,.5);backdrop-filter:blur(4px);z-index:99;opacity:0;pointer-events:none;transition:opacity .3s}
.cart-overlay.open{opacity:1;pointer-events:auto}
.cart-drawer{position:fixed;top:0;right:0;bottom:0;width:min(440px,100%);background:var(--white);z-index:100;transform:translateX(100%);transition:transform .45s cubic-bezier(.2,.7,.3,1);display:flex;flex-direction:column;box-shadow:-30px 0 60px -20px rgba(10,31,18,.3)}
.cart-drawer.open{transform:translateX(0)}
.cart-head{padding:26px 28px;border-bottom:1px solid var(--rule);display:flex;justify-content:space-between;align-items:center}
.cart-head h3{font-family:'Fraunces',serif;font-weight:600;font-size:22px;letter-spacing:-.01em}
.cart-head h3 em{font-style:italic;color:var(--green);font-weight:500}
.cart-close{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;transition:background .3s}
.cart-close:hover{background:var(--off-2)}
.cart-close svg{width:16px;height:16px}
.cart-body{flex:1;overflow-y:auto;padding:20px 28px}
.cart-item{display:grid;grid-template-columns:64px 1fr auto;gap:16px;padding:18px 0;border-bottom:1px dashed var(--rule);align-items:center}
.cart-item-img{width:64px;height:80px;border-radius:6px;background:linear-gradient(135deg, var(--green), var(--green-darker));display:grid;place-items:center;font-family:'Fraunces',serif;font-style:italic;color:var(--yellow);font-size:24px;font-weight:500}
.cart-item-info h4{font-family:'Fraunces',serif;font-weight:600;font-size:15px;line-height:1.2;margin-bottom:4px}
.cart-item-info span{font-family:'JetBrains Mono',monospace;font-size:11px;color:var(--ink-mute);letter-spacing:.06em;font-weight:500}
.cart-item-price{font-family:'Fraunces',serif;font-weight:600;font-size:17px;color:var(--ink)}
.cart-item-price .cur{font-size:11px;color:var(--green);vertical-align:top;margin-right:1px}
.cart-foot{padding:24px 28px;border-top:1px solid var(--rule);background:var(--off)}
.cart-total{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:18px}
.cart-total span:first-child{font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-mute);font-weight:600}
.cart-total span:last-child{font-family:'Fraunces',serif;font-weight:600;font-size:30px;color:var(--ink);letter-spacing:-.015em}
.cart-total .cur{font-size:18px;color:var(--green);vertical-align:top}
.cart-checkout{width:100%;background:var(--green);color:var(--white);padding:18px;border-radius:999px;font-size:13px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;display:inline-flex;align-items:center;justify-content:center;gap:10px;transition:all .3s}
.cart-checkout:hover{background:var(--green-deep)}
.cart-checkout svg{width:14px;height:14px}
.cart-empty{padding:60px 28px;text-align:center;color:var(--ink-mute)}
.cart-empty p{font-family:'Fraunces',serif;font-style:italic;font-size:16px;margin-bottom:16px}

/* ---------- TOAST ---------- */
.toast{position:fixed;bottom:30px;left:50%;transform:translateX(-50%) translateY(120px);background:var(--ink);color:var(--white);padding:14px 22px;border-radius:999px;font-size:13px;font-weight:600;letter-spacing:.02em;box-shadow:0 16px 30px -14px rgba(10,31,18,.4);z-index:200;display:flex;align-items:center;gap:10px;transition:transform .4s cubic-bezier(.2,.7,.3,1);pointer-events:none}
.toast.show{transform:translateX(-50%) translateY(0)}
.toast .check{width:22px;height:22px;border-radius:50%;background:var(--green);display:grid;place-items:center;font-size:11px;color:var(--white)}

/* ---------- ANIMATIONS ---------- */
.reveal{opacity:0;transform:translateY(28px);transition:opacity 1s ease,transform 1s cubic-bezier(.2,.7,.3,1)}
.reveal.in{opacity:1;transform:none}
.stagger > *{opacity:0;transform:translateY(24px);transition:opacity .8s ease,transform .8s cubic-bezier(.2,.7,.3,1)}
.stagger.in > *{opacity:1;transform:none}
.stagger.in > *:nth-child(1){transition-delay:.05s}
.stagger.in > *:nth-child(2){transition-delay:.10s}
.stagger.in > *:nth-child(3){transition-delay:.15s}
.stagger.in > *:nth-child(4){transition-delay:.20s}
.stagger.in > *:nth-child(5){transition-delay:.25s}
.stagger.in > *:nth-child(6){transition-delay:.30s}
.stagger.in > *:nth-child(7){transition-delay:.35s}
.stagger.in > *:nth-child(8){transition-delay:.40s}

/* ---------- SHARED EBOOK CARD ---------- */
.ebook-card{background:var(--white);border-radius:14px;padding:24px 22px 22px;display:flex;flex-direction:column;transition:all .4s cubic-bezier(.2,.7,.3,1);border:1.5px solid var(--rule-soft);position:relative;overflow:hidden}
.ebook-card:hover{transform:translateY(-6px);box-shadow:0 26px 50px -28px rgba(10,31,18,.3);border-color:var(--green)}
.ebook-card:hover .ebook-cover{transform:rotate(0deg) translateY(-4px)}
.ebook-cover-wrap{aspect-ratio:1/1;display:grid;place-items:center;margin-bottom:20px;position:relative}
.ebook-cover{width:75%;aspect-ratio:3/4;border-radius:2px 8px 8px 2px;padding:24px 18px 18px 24px;display:flex;flex-direction:column;justify-content:space-between;color:var(--white);position:relative;overflow:hidden;transform:rotate(-3deg);transition:transform .6s cubic-bezier(.2,.7,.3,1);box-shadow:-3px 0 0 0 var(--yellow), 0 22px 40px -16px rgba(10,31,18,.4)}
.ebook-cover.c1{background:linear-gradient(150deg, var(--green) 0%, var(--green-deep) 100%)}
.ebook-cover.c2{background:linear-gradient(150deg, var(--green-deep) 0%, var(--green-darker) 100%)}
.ebook-cover.c3{background:linear-gradient(150deg, var(--black) 0%, var(--green-darker) 100%)}
.ebook-cover.c4{background:linear-gradient(150deg, var(--green-darker) 0%, var(--green) 100%)}
.ebook-cover.c5{background:linear-gradient(150deg, var(--ink) 0%, var(--green-deep) 100%)}
.ebook-cover.c6{background:linear-gradient(150deg, var(--green) 0%, var(--ink) 100%)}
.ebook-cover.c7{background:linear-gradient(150deg, var(--green-deep) 0%, var(--black) 100%)}
.ebook-cover.c8{background:linear-gradient(150deg, var(--green-darker) 0%, var(--green-deep) 100%)}
.ebook-cover::before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(0deg, transparent 0, transparent 18px, rgba(255,255,255,.05) 18px, rgba(255,255,255,.05) 19px)}
.ebook-cover-pub{font-family:'JetBrains Mono',monospace;font-size:8px;letter-spacing:.2em;text-transform:uppercase;color:var(--yellow);position:relative;z-index:2;font-weight:700}
.ebook-cover-title{font-family:'Fraunces',serif;font-weight:500;font-size:18px;line-height:1.05;letter-spacing:-.02em;position:relative;z-index:2}
.ebook-cover-title em{font-style:italic;color:var(--yellow);font-weight:400}
.ebook-cover-author{font-family:'Fraunces',serif;font-style:italic;font-size:11px;color:rgba(255,255,255,.85);position:relative;z-index:2}
.ebook-tag{position:absolute;top:14px;left:14px;background:var(--ink);color:var(--white);font-family:'JetBrains Mono',monospace;font-size:9px;letter-spacing:.14em;text-transform:uppercase;padding:5px 10px;border-radius:999px;z-index:3;font-weight:700}
.ebook-tag.new{background:var(--green)}
.ebook-tag.bestseller{background:var(--yellow);color:var(--black)}
.ebook-tag.sale{background:var(--sale);color:var(--white)}
.ebook-cat{font-family:'JetBrains Mono',monospace;font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--green-deep);margin-bottom:8px;font-weight:700}
.ebook-title{font-family:'Fraunces',serif;font-weight:600;font-size:18px;line-height:1.2;color:var(--ink);margin-bottom:10px;min-height:46px}
.ebook-title em{font-style:italic;font-weight:500;color:var(--green)}
.ebook-rating{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--ink-soft);margin-bottom:18px;font-family:'JetBrains Mono',monospace;font-weight:500}
.ebook-rating .stars{color:var(--yellow-deep)}
.ebook-foot{margin-top:auto;padding-top:16px;border-top:1px dashed var(--rule);display:flex;justify-content:space-between;align-items:center;gap:8px}
.ebook-price{display:flex;align-items:baseline;gap:6px}
.ebook-price .now{font-family:'Fraunces',serif;font-weight:600;font-size:21px;letter-spacing:-.015em;color:var(--ink)}
.ebook-price .now .cur{font-size:13px;color:var(--green);vertical-align:top;margin-right:1px}
.ebook-price .was{font-size:11px;color:var(--ink-mute);text-decoration:line-through;font-family:'JetBrains Mono',monospace}
.ebook-cart{width:38px;height:38px;border-radius:50%;background:var(--ink);color:var(--white);display:grid;place-items:center;transition:all .3s}
.ebook-cart:hover{background:var(--green);transform:scale(1.08)}
.ebook-cart svg{width:14px;height:14px}

/* ---------- SHARED COURSE CARD ---------- */
.course-card{background:var(--white);border:1.5px solid var(--rule-soft);border-radius:18px;overflow:hidden;display:flex;flex-direction:column;transition:all .4s cubic-bezier(.2,.7,.3,1);position:relative}
.course-card:hover{transform:translateY(-6px);box-shadow:0 26px 50px -28px rgba(10,31,18,.3);border-color:var(--green)}
.course-thumb{aspect-ratio:5/3;position:relative;overflow:hidden;display:grid;place-items:center}
.course-thumb.t1{background:linear-gradient(135deg, var(--green) 0%, var(--green-deep) 100%)}
.course-thumb.t2{background:linear-gradient(135deg, var(--black) 0%, var(--green-darker) 100%)}
.course-thumb.t3{background:linear-gradient(135deg, var(--green-deep) 0%, var(--green-darker) 100%)}
.course-thumb.t4{background:linear-gradient(135deg, var(--green) 0%, var(--black) 100%)}
.course-thumb.t5{background:linear-gradient(135deg, var(--green-darker) 0%, var(--green) 100%)}
.course-thumb.t6{background:linear-gradient(135deg, var(--black) 0%, var(--green-deep) 100%)}
.course-thumb::before{content:"";position:absolute;inset:0;background-image:repeating-linear-gradient(45deg, transparent 0, transparent 20px, rgba(255,255,255,.05) 20px, rgba(255,255,255,.05) 21px)}
.course-thumb-num{font-family:'Fraunces',serif;font-style:italic;font-weight:400;font-size:130px;color:var(--yellow);letter-spacing:-.04em;line-height:1;position:relative;z-index:2;text-shadow:0 6px 30px rgba(0,0,0,.25)}
.course-thumb-tag{position:absolute;top:14px;left:14px;font-family:'JetBrains Mono',monospace;font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:var(--white);background:rgba(0,0,0,.35);padding:7px 13px;border-radius:999px;backdrop-filter:blur(8px);z-index:2;font-weight:600}
.course-thumb-badge{position:absolute;top:14px;right:14px;background:var(--yellow);color:var(--black);font-family:'JetBrains Mono',monospace;font-size:10px;letter-spacing:.14em;text-transform:uppercase;padding:7px 13px;border-radius:999px;font-weight:700;z-index:2}
.course-thumb-badge.sale{background:var(--sale);color:var(--white)}
.course-thumb-watch{position:absolute;bottom:14px;right:14px;width:48px;height:48px;border-radius:50%;background:var(--yellow);color:var(--black);display:grid;place-items:center;z-index:2;cursor:pointer;transition:transform .3s}
.course-thumb-watch:hover{transform:scale(1.08)}
.course-thumb-watch svg{width:14px;height:14px;margin-left:2px}
.course-body{padding:24px 24px 22px;display:flex;flex-direction:column;flex:1}
.course-cat{font-family:'JetBrains Mono',monospace;font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:var(--green-deep);margin-bottom:10px;font-weight:700}
.course-title{font-family:'Fraunces',serif;font-weight:600;font-size:22px;line-height:1.2;letter-spacing:-.012em;color:var(--ink);margin-bottom:8px;min-height:52px}
.course-title em{font-style:italic;font-weight:500;color:var(--green)}
.course-meta{display:flex;align-items:center;gap:14px;font-size:13px;color:var(--ink-soft);margin-bottom:18px;flex-wrap:wrap}
.course-meta-item{display:flex;align-items:center;gap:5px;font-weight:500}
.course-meta-item svg{width:13px;height:13px;color:var(--green)}
.course-rating{display:flex;align-items:center;gap:6px;font-size:13px;color:var(--ink);margin-bottom:18px}
.course-rating .stars{color:var(--yellow-deep);letter-spacing:.05em;font-size:13px}
.course-rating .num{font-weight:700;font-family:'JetBrains Mono',monospace}
.course-rating .reviews{color:var(--ink-mute);font-family:'JetBrains Mono',monospace;font-size:11px}
.course-foot{margin-top:auto;padding-top:18px;border-top:1px dashed var(--rule);display:flex;justify-content:space-between;align-items:center;gap:12px}
.course-price{display:flex;align-items:baseline;gap:8px}
.course-price .now{font-family:'Fraunces',serif;font-weight:600;font-size:26px;letter-spacing:-.015em;color:var(--ink)}
.course-price .now .cur{font-size:15px;color:var(--green);vertical-align:top;margin-right:1px}
.course-price .was{font-size:13px;color:var(--ink-mute);text-decoration:line-through;font-family:'JetBrains Mono',monospace}
.course-cart{padding:11px 18px;background:var(--ink);color:var(--white);border-radius:999px;font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;display:inline-flex;align-items:center;gap:6px;transition:all .3s}
.course-cart:hover{background:var(--green);transform:translateY(-1px)}
.course-cart svg{width:13px;height:13px}

/* ---------- RESPONSIVE BASE ---------- */
@media (max-width: 1180px){
  .nav-links,.nav-search{display:none}
  .foot-top{grid-template-columns:1fr 1fr;gap:40px}
  }
@media (max-width: 640px){
  .foot-top{grid-template-columns:1fr}
  .foot-bot{flex-direction:column;text-align:center}
  .logo img{height:30px}
}


/* ---------- COURSE HERO (compact, text-led) ---------- */
.course-hero{padding:50px 0 56px;position:relative;overflow:hidden;border-bottom:1px solid var(--rule);background:linear-gradient(180deg, var(--off) 0%, var(--off-2) 100%)}
.course-hero::before{content:"";position:absolute;top:-100px;right:-150px;width:480px;height:480px;border-radius:50%;background:radial-gradient(circle, var(--green-soft) 0%, transparent 65%);z-index:1}
.course-hero::after{content:"";position:absolute;bottom:-150px;left:-150px;width:480px;height:480px;border-radius:50%;background:radial-gradient(circle, var(--yellow-soft) 0%, transparent 65%);z-index:1}
.course-hero .wrap{position:relative;z-index:2;max-width:880px}
.course-hero-cat{font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--green-deep);font-weight:700;margin-bottom:18px;display:inline-flex;align-items:center;gap:10px}
.course-hero-cat .badge{background:var(--yellow);color:var(--black);padding:4px 10px;border-radius:999px;font-size:10px;letter-spacing:.14em;font-weight:700}
.course-hero-title{font-family:'Fraunces',serif;font-weight:500;font-size:clamp(38px,5vw,68px);line-height:1.02;letter-spacing:-.025em;margin-bottom:20px;color:var(--ink)}
.course-hero-title em{font-style:italic;color:var(--green);font-weight:400}
.course-hero-tagline{font-family:'Fraunces',serif;font-style:italic;font-weight:400;font-size:21px;line-height:1.55;color:var(--ink-soft);margin-bottom:30px;max-width:760px}
.course-hero-meta{display:flex;align-items:center;gap:24px;flex-wrap:wrap;padding:18px 0;border-top:1px solid var(--rule);border-bottom:1px solid var(--rule)}
.course-hero-meta-item{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--ink-soft);font-weight:500}
.course-hero-meta-item .stars{color:var(--yellow-deep);letter-spacing:.04em;font-size:14px}
.course-hero-meta-item strong{color:var(--ink);font-family:'JetBrains Mono',monospace;font-weight:700}
.course-hero-meta-item svg{width:14px;height:14px;color:var(--green)}

/* ---------- BODY: TEXT + STICKY ENROLL ---------- */
.detail-body{padding:56px 0 100px}
.detail-body .wrap{display:grid;grid-template-columns:1fr 360px;gap:60px;align-items:flex-start}
.detail-main{min-width:0;max-width:720px}

/* youtube embed */
.video-embed{aspect-ratio:16/9;background:var(--ink);border-radius:18px;overflow:hidden;margin-bottom:36px;position:relative;box-shadow:0 24px 50px -28px rgba(10,31,18,.4)}
.video-embed iframe, .video-embed-placeholder{position:absolute;inset:0;width:100%;height:100%;border:0}
.video-embed-placeholder{display:grid;place-items:center;background:linear-gradient(135deg, var(--green-darker) 0%, var(--ink) 100%);cursor:pointer;transition:all .3s}
.video-embed-placeholder::before{content:"";position:absolute;inset:0;background-image:repeating-linear-gradient(45deg, transparent 0, transparent 20px, rgba(255,255,255,.05) 20px, rgba(255,255,255,.05) 21px);}
.video-embed-placeholder::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at center, transparent 0%, rgba(0,0,0,.4) 100%)}
.video-embed-placeholder .play-circle{position:relative;z-index:2;width:88px;height:88px;border-radius:50%;background:var(--yellow);color:var(--black);display:grid;place-items:center;transition:all .3s;box-shadow:0 12px 30px rgba(0,0,0,.4)}
.video-embed-placeholder:hover .play-circle{transform:scale(1.08)}
.video-embed-placeholder .play-circle svg{width:28px;height:28px;margin-left:4px}
.video-embed-placeholder .label{position:absolute;top:18px;left:18px;font-family:'JetBrains Mono',monospace;font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:var(--white);background:rgba(0,0,0,.35);padding:7px 14px;border-radius:999px;backdrop-filter:blur(8px);z-index:3;font-weight:700}
.video-embed-placeholder .preview-text{position:absolute;bottom:18px;left:18px;right:18px;text-align:center;font-family:'Fraunces',serif;font-style:italic;font-size:14px;color:rgba(255,255,255,.85);z-index:3;font-weight:400}

/* article body */
.article-body{font-size:17px;line-height:1.78;color:var(--ink-soft)}
.article-body p{margin-bottom:22px}
.article-body p:first-of-type::first-line{font-weight:600;color:var(--ink)}
.article-body p strong{color:var(--ink);font-weight:600}
.article-body h2{font-family:'Fraunces',serif;font-weight:500;font-size:clamp(28px,3.4vw,38px);line-height:1.1;letter-spacing:-.02em;color:var(--ink);margin:48px 0 20px}
.article-body h2 em{font-style:italic;color:var(--green);font-weight:400}
.article-body h2:first-child{margin-top:0}
.article-body h3{font-family:'Fraunces',serif;font-weight:600;font-size:22px;line-height:1.25;letter-spacing:-.012em;color:var(--ink);margin:32px 0 14px}
.article-body h3 em{font-style:italic;color:var(--green-deep);font-weight:500}

/* services list (block of cards inside article) */
.services-list{display:flex;flex-direction:column;gap:14px;margin:30px 0 36px}
.svc-row{background:var(--white);border:1.5px solid var(--rule-soft);border-radius:14px;padding:24px 26px;display:grid;grid-template-columns:54px 1fr;gap:20px;align-items:flex-start;transition:all .3s}
.svc-row:hover{border-color:var(--green);transform:translateX(4px)}
.svc-row .ico{width:54px;height:54px;border-radius:50%;background:var(--green-tint);color:var(--green-deep);display:grid;place-items:center;flex:0 0 54px}
.svc-row .ico svg{width:22px;height:22px}
.svc-row .body h4{font-family:'Fraunces',serif;font-weight:600;font-size:20px;color:var(--ink);margin-bottom:6px;letter-spacing:-.012em}
.svc-row .body h4 em{font-style:italic;color:var(--green);font-weight:500}
.svc-row .body p{font-size:15px;line-height:1.6;color:var(--ink-soft);margin:0}
.svc-row .body p strong{color:var(--ink);font-weight:600}

/* pull quote */
.pull-quote{margin:40px 0;padding:28px 36px;background:linear-gradient(160deg, var(--green-tint) 0%, var(--white) 100%);border-left:4px solid var(--green);border-radius:0 14px 14px 0;font-family:'Fraunces',serif;font-style:italic;font-weight:400;font-size:21px;line-height:1.5;color:var(--ink);letter-spacing:-.012em}
.pull-quote strong{font-style:normal;font-weight:600;color:var(--green-deep);background:var(--yellow-soft);padding:0 4px;border-radius:3px}

/* takeaway box */
.takeaway{margin:36px 0;background:var(--ink);color:var(--white);border-radius:18px;padding:28px 32px;position:relative;overflow:hidden}
.takeaway::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 80% 20%, rgba(0,171,65,.32), transparent 55%)}
.takeaway-content{position:relative;z-index:2}
.takeaway-label{font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--yellow);font-weight:700;margin-bottom:10px;display:flex;align-items:center;gap:10px}
.takeaway-label::before{content:"";width:24px;height:2px;background:var(--yellow);border-radius:2px}
.takeaway p{font-family:'Fraunces',serif;font-size:18px;line-height:1.55;color:rgba(255,255,255,.92);margin:0;font-style:italic}
.takeaway p strong{color:var(--white);font-weight:500;font-style:normal}

/* signature block */
.author-sign{margin-top:48px;padding-top:36px;border-top:1px solid var(--rule);display:flex;align-items:center;gap:18px}
.author-sign-img{width:60px;height:60px;border-radius:50%;background-image:url("assets/vathani.jpg");background-size:cover;background-position:center 18%;border:2px solid var(--yellow);flex:0 0 60px}
.author-sign-text .lbl{font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-mute);font-weight:700;margin-bottom:4px}
.author-sign-text .name{font-family:'Fraunces',serif;font-style:italic;font-weight:400;font-size:32px;color:var(--green-deep);letter-spacing:-.01em;line-height:1}

/* ---------- STICKY SIDEBAR ---------- */
.detail-side{position:sticky;top:100px;display:flex;flex-direction:column;gap:24px;align-self:flex-start;max-height:calc(100vh - 120px);overflow-y:auto;scrollbar-width:thin}
.detail-side::-webkit-scrollbar{width:4px}
.detail-side::-webkit-scrollbar-thumb{background:var(--rule);border-radius:4px}
.enroll-card{background:var(--white);border:1.5px solid var(--rule);border-radius:18px;overflow:hidden;box-shadow:0 24px 50px -28px rgba(10,31,18,.25)}
.enroll-card-top{aspect-ratio:5/3;background:linear-gradient(135deg, var(--green) 0%, var(--green-deep) 100%);position:relative;overflow:hidden;display:grid;place-items:center}
.enroll-card-top::before{content:"";position:absolute;inset:0;background-image:repeating-linear-gradient(45deg, transparent 0, transparent 20px, rgba(255,255,255,.05) 20px, rgba(255,255,255,.05) 21px);}
.enroll-card-top .num{position:relative;z-index:2;font-family:'Fraunces',serif;font-style:italic;font-weight:400;font-size:90px;color:var(--yellow);letter-spacing:-.04em;line-height:1;text-shadow:0 6px 30px rgba(0,0,0,.25)}
.enroll-card-top .tag{position:absolute;top:14px;left:14px;font-family:'JetBrains Mono',monospace;font-size:9px;letter-spacing:.14em;text-transform:uppercase;color:var(--white);background:rgba(0,0,0,.35);padding:6px 11px;border-radius:999px;backdrop-filter:blur(8px);z-index:3;font-weight:700}
.enroll-card-body{padding:24px 26px}
.enroll-price-row{display:flex;align-items:baseline;gap:12px;margin-bottom:6px}
.enroll-price{font-family:'Fraunces',serif;font-size:40px;font-weight:600;letter-spacing:-.02em;color:var(--ink);line-height:1}
.enroll-price .cur{font-size:18px;color:var(--green);vertical-align:top;margin-right:2px}
.enroll-was{font-size:15px;color:var(--ink-mute);text-decoration:line-through;font-family:'JetBrains Mono',monospace;font-weight:600}
.enroll-save{background:var(--sale);color:var(--white);font-family:'JetBrains Mono',monospace;font-size:10px;letter-spacing:.1em;text-transform:uppercase;padding:5px 11px;border-radius:999px;font-weight:700}
.enroll-stock{font-size:11.5px;color:var(--green-deep);font-family:'JetBrains Mono',monospace;letter-spacing:.08em;text-transform:uppercase;font-weight:600;display:flex;align-items:center;gap:7px;margin-bottom:20px}
.enroll-stock::before{content:"";width:7px;height:7px;background:var(--green);border-radius:50%}
.enroll-actions{display:flex;gap:9px;margin-bottom:22px;flex-wrap:wrap}
.btn-enroll{flex:1;min-width:0;background:var(--green);color:var(--white);padding:11px 16px;border-radius:8px;font-size:13px;font-weight:600;letter-spacing:.02em;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:all .25s;box-shadow:0 4px 12px -4px rgba(0,171,65,.4)}
.btn-enroll:hover{background:var(--green-deep);transform:translateY(-1px)}
.btn-enroll svg{width:13px;height:13px}
.btn-add-cart{flex:1;min-width:0;background:var(--ink);color:var(--white);padding:11px 16px;border-radius:8px;font-size:13px;font-weight:600;letter-spacing:.02em;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:all .25s}
.btn-add-cart:hover{background:var(--green-deep)}
.btn-add-cart svg{width:13px;height:13px}
.enroll-list{list-style:none;display:flex;flex-direction:column;gap:11px;padding-top:18px;border-top:1px dashed var(--rule)}
.enroll-list li{display:flex;gap:10px;align-items:center;font-size:13px;color:var(--ink-soft)}
.enroll-list li svg{width:14px;height:14px;color:var(--green);flex:0 0 14px}
.enroll-list li strong{color:var(--ink);font-weight:600}

/* details meta */
.side-meta-list{list-style:none;display:flex;flex-direction:column;gap:13px}
.side-meta-list li{display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--ink-soft)}
.side-meta-list li strong{color:var(--ink);font-family:'Fraunces',serif;font-weight:600;font-size:14px;font-style:italic}
.side-card{background:var(--white);border:1.5px solid var(--rule-soft);border-radius:18px;padding:24px 26px}
.side-card h4{font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-mute);font-weight:700;margin-bottom:16px}

/* ---------- RELATED ---------- */
.related{padding:80px 0 100px;background:var(--off-2);border-top:1px solid var(--rule)}
.related-head{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:40px;gap:30px}
.related-head h2{font-family:'Fraunces',serif;font-weight:500;font-size:clamp(28px,3.4vw,44px);line-height:1.05;letter-spacing:-.02em}
.related-head h2 em{font-style:italic;color:var(--green);font-weight:400}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}

@media (max-width:1080px){
  .detail-body .wrap{grid-template-columns:1fr;gap:50px;max-width:760px}
  .detail-side{position:static}
  .related-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:640px){
  .related-grid{grid-template-columns:1fr}
  .article-body{font-size:16px}
}