.form-group{margin-bottom:18px;}
  .form-group label{display:block;font-size:12px;color:var(--text-faint);text-transform:uppercase;letter-spacing:.05em;font-weight:600;margin-bottom:8px;}
  .form-group input{width:100%;padding:13px 16px;background:rgba(255,255,255,0.03);border:1px solid var(--border-strong);border-radius:10px;color:var(--white);font-size:14.5px;font-family:inherit;transition:border-color .2s, background .2s;}
  .form-group input:focus{outline:none;border-color:var(--blue);background:rgba(61,99,255,0.05);}

  /* ---------- Purchase page header ---------- */
  .funnel-nav{display:flex;align-items:center;justify-content:space-between;}
  .funnel-secure{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-dim);font-weight:500;}
  .funnel-secure svg{width:14px;height:14px;color:var(--green);flex-shrink:0;}
  @media (max-width:640px){ .funnel-secure span{display:none;} }

  .purchase-hero{padding:150px 0 8px;text-align:center;}
  .purchase-hero span.eyebrow{justify-content:center;}
  .purchase-hero h1{font-size:clamp(28px,4vw,42px);margin-top:14px;}
  .purchase-hero p{color:var(--text-dim);max-width:560px;margin:16px auto 0;font-size:15.5px;}

  /* ---------- Category filters ---------- */
  .filter-row{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin:36px 0 48px;}
  .filter-pill{padding:10px 22px;border-radius:100px;border:1px solid var(--border-strong);background:var(--card);color:var(--text-dim);font-size:13.5px;font-weight:600;transition:.2s;}
  .filter-pill:hover{border-color:rgba(61,99,255,0.5);color:var(--white);}
  .filter-pill.active{background:var(--blue);border-color:var(--blue);color:#fff;box-shadow:0 8px 20px -8px rgba(61,99,255,.65);}

  /* ---------- Layout ---------- */
  .purchase-layout{display:grid;grid-template-columns:1fr 380px;gap:40px;align-items:start;max-width:1180px;margin:0 auto;padding-bottom:80px;}
  @media (max-width:980px){ .purchase-layout{grid-template-columns:1fr;padding-bottom:120px;} }
  .product-grid-wrap{display:flex;flex-direction:column;gap:18px;}

  /* ---------- Product card ---------- */
  .pcard{background:var(--card);border:1px solid var(--border);border-radius:22px;padding:26px;display:grid;grid-template-columns:112px 1fr auto;gap:22px;align-items:start;position:relative;transition:transform .25s, border-color .25s, box-shadow .25s, background .25s;animation:cardIn .35s ease both;}
  @keyframes cardIn{from{opacity:0;transform:translateY(10px);}to{opacity:1;transform:translateY(0);}}
  .pcard.hidden-cat{display:none;}
  .pcard:hover{border-color:var(--border-strong);transform:translateY(-2px);}
  .pcard.selected{border-color:var(--blue);box-shadow:0 0 0 1px var(--blue), 0 26px 50px -22px rgba(61,99,255,.45);background:linear-gradient(160deg, rgba(61,99,255,.07), var(--card) 55%);}
  @media (max-width:700px){ .pcard{grid-template-columns:1fr;} }

  .pcard-cover{width:112px;height:112px;border-radius:16px;flex-shrink:0;position:relative;overflow:hidden;display:flex;align-items:flex-end;padding:12px;}
  .pcard-cover::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(0,0,0,.45));}
  .pcard-cover svg{width:26px;height:26px;color:#fff;position:relative;z-index:1;}
  .cov-course{background:linear-gradient(150deg,#12233F,#0A101C 65%);}
  .cov-live{background:linear-gradient(150deg,#1B2E1F,#0A0F0D 65%);}
  .cov-ebook{background:linear-gradient(150deg,#1B1230,#0A0D1C 65%);}
  .cov-telegram{background:linear-gradient(150deg,#0F2A22,#090F0D 65%);}
  @media (max-width:700px){ .pcard-cover{width:100%;height:88px;} }

  .pcard-best{position:absolute;top:-11px;left:26px;background:linear-gradient(180deg,#3F79FF,#2A5FEE);color:#fff;font-size:10.5px;font-weight:700;padding:5px 13px;border-radius:100px;letter-spacing:.02em;}

  .pcard-body h3{font-size:18px;}
  .pcard-body .desc{font-size:13.5px;color:var(--text-dim);margin-top:6px;line-height:1.5;}
  .pcard-meta{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px;}
  .meta-chip{font-size:11px;background:rgba(255,255,255,.05);border:1px solid var(--border);padding:4px 11px;border-radius:100px;color:var(--text-dim);display:inline-flex;align-items:center;gap:5px;}
  .meta-chip.lifetime{color:var(--green);border-color:rgba(52,211,153,.3);background:rgba(52,211,153,.08);}
  .pcard-features{margin:14px 0 0;display:flex;flex-direction:column;gap:6px;padding:0;list-style:none;}
  .pcard-features li{font-size:13px;color:var(--text-dim);display:flex;gap:8px;align-items:flex-start;}
  .pcard-features li svg{width:14px;height:14px;color:var(--blue);flex-shrink:0;margin-top:2px;}
  .pcard-details-toggle{margin-top:14px;font-size:13px;font-weight:600;color:var(--blue);display:inline-flex;align-items:center;gap:6px;background:none;border:none;cursor:pointer;padding:0;}
  .pcard-details-toggle svg{width:14px;height:14px;transition:transform .25s;}
  .pcard-details-toggle.open svg{transform:rotate(180deg);}

  .pcard-side{display:flex;flex-direction:column;align-items:flex-end;gap:14px;}
  @media (max-width:700px){ .pcard-side{flex-direction:row;align-items:center;justify-content:space-between;width:100%;} }
  .pcard-price{text-align:right;}
  .pcard-price .now{font-family:var(--font-display);font-weight:800;font-size:22px;}
  .pcard-price .was{font-size:12px;color:var(--text-faint);text-decoration:line-through;display:block;}
  .pcard-select{padding:10px 22px;border-radius:100px;font-weight:600;font-size:13.5px;border:1px solid var(--border-strong);color:var(--white);background:rgba(255,255,255,.04);transition:.2s;white-space:nowrap;}
  .pcard.selected .pcard-select{background:var(--blue);border-color:var(--blue);color:#fff;}
  .pcard.selected .pcard-select::after{content:' ✓';}

  .pcard-accordion{grid-column:1/-1;max-height:0;overflow:hidden;transition:max-height .4s ease;}
  .pcard-accordion.open{max-height:1200px;}
  .pcard-accordion-inner{border-top:1px solid var(--border);margin-top:18px;padding-top:20px;display:grid;gap:20px;}
  .acc-section h5{font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--text-faint);margin-bottom:9px;font-weight:700;}
  .acc-section p{font-size:13.5px;color:var(--text-dim);line-height:1.65;}
  .acc-section ul{padding-left:0;list-style:none;display:flex;flex-direction:column;gap:7px;}
  .acc-section ul li{font-size:13.5px;color:var(--text-dim);display:flex;gap:8px;align-items:flex-start;line-height:1.5;}
  .acc-section ul li svg{width:14px;height:14px;color:var(--blue);margin-top:2px;flex-shrink:0;}
  .faq-item{border-bottom:1px solid var(--border);padding:10px 0;}
  .faq-item:last-child{border-bottom:none;}
  .faq-item h6{font-size:13.5px;color:var(--white);font-weight:600;}
  .faq-item p{margin-top:4px;}
  .review-mini{display:flex;gap:10px;align-items:flex-start;padding:10px 0;border-bottom:1px solid var(--border);}
  .review-mini:last-child{border-bottom:none;}
  .review-mini .t-avatar{width:30px;height:30px;font-size:11px;}
  .review-mini .rname{font-size:13px;font-weight:600;color:var(--white);}
  .review-mini p{font-size:12.5px;color:var(--text-dim);margin-top:2px;}

  /* ---------- Sticky order summary ---------- */
  .order-summary{position:sticky;top:104px;background:var(--card);border:1px solid var(--border-strong);border-radius:20px;padding:28px;}
  .order-summary h4{font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--text-faint);margin-bottom:20px;font-weight:700;}
  .order-empty{text-align:center;padding:28px 6px;color:var(--text-faint);font-size:13.5px;line-height:1.6;}
  .order-empty svg{width:30px;height:30px;color:var(--text-faint);margin:0 auto 14px;display:block;}
  .order-item{display:flex;gap:14px;padding-bottom:20px;border-bottom:1px solid var(--border);margin-bottom:18px;}
  .order-item-thumb{width:52px;height:52px;border-radius:12px;flex-shrink:0;display:flex;align-items:center;justify-content:center;}
  .order-item-thumb svg{width:22px;height:22px;color:var(--blue);}
  .order-item-info h5{font-size:14px;line-height:1.35;}
  .order-item-info span{font-size:12px;color:var(--text-faint);}
  .order-line{display:flex;justify-content:space-between;font-size:13.5px;color:var(--text-dim);padding:7px 0;}
  .order-line.total{border-top:1px solid var(--border);margin-top:6px;padding-top:16px;font-size:18px;color:var(--white);font-weight:700;font-family:var(--font-display);}
  .order-line.total span:last-child{color:var(--white);}
  .coupon-toggle{display:block;margin:16px 0;font-size:13px;color:var(--blue);font-weight:600;cursor:pointer;list-style:none;}
  .coupon-toggle::-webkit-details-marker{display:none;}
  .coupon-body{display:flex;gap:8px;margin-bottom:6px;}
  .coupon-body input{flex:1;padding:11px 14px;background:rgba(255,255,255,0.03);border:1px solid var(--border-strong);border-radius:10px;color:var(--white);font-size:13px;font-family:inherit;}
  .coupon-body input:focus{outline:none;border-color:var(--blue);}
  .coupon-body button{padding:0 16px;border-radius:10px;border:1px solid var(--border-strong);font-size:12.5px;font-weight:600;color:var(--text-dim);white-space:nowrap;}
  .order-summary .btn{margin-top:10px;width:100%;}
  .order-summary .btn[disabled]{opacity:.45;pointer-events:none;}
  .trust-row{display:flex;flex-direction:column;gap:8px;margin-top:18px;}
  .trust-row div{display:flex;align-items:center;gap:8px;font-size:11.5px;color:var(--text-faint);}
  .trust-row svg{width:13px;height:13px;color:var(--green);flex-shrink:0;}

  /* ---------- Mobile sticky checkout bar ---------- */
  .mobile-checkout-bar{display:none;position:fixed;left:0;right:0;bottom:0;background:rgba(8,10,16,.94);backdrop-filter:blur(16px);border-top:1px solid var(--border-strong);padding:14px 20px;align-items:center;justify-content:space-between;gap:16px;z-index:80;transform:translateY(100%);transition:transform .3s ease;}
  .mobile-checkout-bar.visible{transform:translateY(0);}
  @media (max-width:980px){ .mobile-checkout-bar{display:flex;} }
  .mobile-checkout-info h6{font-size:13.5px;}
  .mobile-checkout-info span{font-size:12px;color:var(--text-faint);}
  .mobile-checkout-bar .btn{padding:11px 22px;font-size:13.5px;white-space:nowrap;}

  /* ---------- Payment modal ---------- */
  .modal-overlay{position:fixed;inset:0;background:rgba(5,7,11,.72);backdrop-filter:blur(6px);display:flex;align-items:center;justify-content:center;z-index:200;opacity:0;pointer-events:none;transition:opacity .25s ease;padding:20px;}
  .modal-overlay.open{opacity:1;pointer-events:auto;}
  .modal-card{background:var(--surface);border:1px solid var(--border-strong);border-radius:24px;max-width:420px;width:100%;padding:32px;position:relative;box-shadow:0 40px 90px -30px rgba(0,0,0,.75);transform:translateY(14px);transition:transform .3s ease;}
  .modal-overlay.open .modal-card{transform:translateY(0);}
  .modal-close{position:absolute;top:18px;right:18px;width:32px;height:32px;border-radius:50%;background:rgba(255,255,255,.05);display:flex;align-items:center;justify-content:center;color:var(--text-dim);}
  .modal-close:hover{background:rgba(255,255,255,.1);color:#fff;}
  .modal-close svg{width:15px;height:15px;}
  .modal-brand{display:flex;align-items:center;gap:9px;margin-bottom:20px;font-size:12.5px;color:var(--text-faint);}
  .modal-brand svg{width:15px;height:15px;color:var(--green);flex-shrink:0;}
  .modal-amount{font-family:var(--font-display);font-weight:800;font-size:30px;}
  .modal-amount-label{font-size:12.5px;color:var(--text-dim);margin:4px 0 24px;}
  .modal-step.hidden{display:none;}
  .modal-success{text-align:center;padding:8px 0 4px;}
  .modal-success .check{width:62px;height:62px;border-radius:50%;background:rgba(52,211,153,.12);border:1px solid rgba(52,211,153,.35);display:flex;align-items:center;justify-content:center;margin:0 auto 20px;}
  .modal-success .check svg{width:28px;height:28px;color:var(--green);}
  .modal-success h3{font-size:19px;}
  .modal-success p{font-size:13.5px;color:var(--text-dim);margin-top:8px;}
  .modal-spinner-wrap{text-align:center;padding:20px 0 8px;}
  .modal-spinner{width:38px;height:38px;border-radius:50%;border:3px solid var(--border-strong);border-top-color:var(--blue);animation:spin .8s linear infinite;margin:6px auto 18px;}
  @keyframes spin{to{transform:rotate(360deg);}}
  .modal-spinner-wrap p{font-size:13.5px;color:var(--text-dim);}