*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
    html{scroll-behavior:smooth;background:#08080c !important;}
    body{font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;background:#08080c !important;color:#e5e7eb;line-height:1.6;font-size:16px;padding-bottom:3rem;}
    html,body,#root,#app,[class*="wrapper"],[class*="page"]{background-color:#08080c !important;}
    a{color:inherit;text-decoration:none;}
    .wrap{max-width:960px;margin:0 auto;padding:0 1.5rem;}

    nav{position:sticky;top:0;z-index:100;background:rgba(8,8,12,.92);backdrop-filter:blur(14px);border-bottom:1px solid rgba(255,255,255,.08);padding:.9rem 0;}
    .nav-inner{display:flex;align-items:center;justify-content:space-between;gap:1rem;}
    .nav-brand{display:flex;align-items:center;gap:.55rem;font-weight:700;font-size:1rem;color:#fff;}
    .nav-brand img{height:32px;width:auto;}
    .nav-link{font-size:.86rem;color:#94a3b8;font-weight:500;}
    .nav-link:hover{color:#fff;}

    .hero{padding:4rem 0 2.5rem;text-align:center;}
    .hero-badge{display:inline-flex;align-items:center;gap:.45rem;background:rgba(212,175,55,.08);border:1px solid rgba(212,175,55,.28);color:#f4d27a;border-radius:999px;padding:.35rem 1rem;font-size:.72rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;margin-bottom:1.2rem;}
    .hero h1{font-size:clamp(1.85rem,4.5vw,2.75rem);font-weight:800;letter-spacing:-.03em;line-height:1.15;color:#fff;margin-bottom:.85rem;}
    .hero h1 span{color:#34d399;}
    .hero-sub{font-size:1.02rem;color:#94a3b8;max-width:640px;margin:0 auto;line-height:1.75;}
    .hero-note{font-size:.88rem;color:#64748b;max-width:640px;margin:.85rem auto 0;line-height:1.65;}

    .panel{background:#0c0c12;border:1px solid rgba(255,255,255,.1);border-radius:16px;padding:1.6rem 1.5rem;margin-bottom:1.25rem;}
    .panel-title{font-size:.72rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:#64748b;margin-bottom:1rem;}
    .panel-title em{color:#f4d27a;font-style:normal;}

    .tier-grid{display:grid;grid-template-columns:1fr 1fr;gap:.85rem;}
    .tier-card{position:relative;border:1.5px solid rgba(255,255,255,.1);border-radius:12px;padding:1.1rem 1rem;cursor:pointer;transition:border-color .2s,background .2s;background:rgba(255,255,255,.02);}
    .tier-card:hover{border-color:rgba(16,185,129,.35);}
    .tier-card.selected{border-color:#10b981;background:rgba(16,185,129,.06);}
    .tier-card input{position:absolute;opacity:0;width:1px;height:1px;margin:0;}
    .tier-name{font-size:.95rem;font-weight:700;color:#fff;margin-bottom:.25rem;}
    .tier-desc{font-size:.78rem;color:#94a3b8;line-height:1.45;margin-bottom:.55rem;}
    .tier-price{font-size:1.15rem;font-weight:800;color:#6ee7b7;letter-spacing:-.02em;}

    .course-list{display:flex;flex-direction:column;gap:.55rem;}
    .course-item{display:flex;align-items:flex-start;gap:.85rem;padding:.85rem 1rem;border:1px solid rgba(255,255,255,.08);border-radius:11px;background:rgba(255,255,255,.02);cursor:pointer;transition:border-color .2s,background .2s;}
    .course-item:hover{border-color:rgba(255,255,255,.16);}
    .course-item.checked{border-color:rgba(16,185,129,.4);background:rgba(16,185,129,.05);}
    .course-item input[type="checkbox"]{width:18px;height:18px;accent-color:#10b981;margin-top:2px;flex-shrink:0;cursor:pointer;}
    .course-meta{flex:1;min-width:0;}
    .course-title{font-size:.92rem;font-weight:600;color:#f1f5f9;line-height:1.35;}
    .course-group{font-size:.7rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#64748b;margin-top:.2rem;}
    .course-price{font-size:.88rem;font-weight:700;color:#94a3b8;white-space:nowrap;flex-shrink:0;}

    .contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:.85rem;}
    .field label{display:block;font-size:.8rem;font-weight:600;color:#cbd5e1;margin-bottom:.35rem;}
    .field input{width:100%;padding:.7rem .85rem;border:1px solid rgba(255,255,255,.14);border-radius:9px;background:#11111a;color:#fff;font-size:.92rem;font-family:inherit;}
    .field input::placeholder{color:#64748b;}
    .field input:focus{outline:none;border-color:#10b981;box-shadow:0 0 0 3px rgba(16,185,129,.15);}
    .field-hint{font-size:.75rem;color:#64748b;margin-top:.35rem;}

    .summary{background:linear-gradient(145deg,rgba(16,185,129,.08),rgba(212,175,55,.05));border-color:rgba(16,185,129,.25);}
    .summary-rows{display:flex;flex-direction:column;gap:.65rem;margin-bottom:1.1rem;}
    .summary-row{display:flex;justify-content:space-between;align-items:baseline;gap:1rem;font-size:.9rem;color:#94a3b8;}
    .summary-row strong{color:#e2e8f0;font-weight:600;}
    .summary-row.credit{color:#64748b;font-size:.84rem;}
    .summary-row.total{border-top:1px solid rgba(255,255,255,.12);padding-top:.85rem;margin-top:.25rem;}
    .summary-row.total span:first-child{font-size:1rem;font-weight:700;color:#fff;}
    .summary-row.total strong{font-size:1.35rem;font-weight:800;color:#6ee7b7;letter-spacing:-.02em;}
    .summary-note{font-size:.78rem;color:#64748b;line-height:1.55;margin-bottom:1.1rem;}
    .summary-empty{font-size:.9rem;color:#64748b;text-align:center;padding:1.5rem .5rem;}

    .btn-wa{display:flex;align-items:center;justify-content:center;gap:.55rem;width:100%;padding:1rem 1.25rem;border:none;border-radius:11px;background:#25d366;color:#04210f;font-size:1rem;font-weight:800;cursor:pointer;font-family:inherit;transition:transform .15s,box-shadow .15s;}
    .btn-wa:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 8px 24px rgba(37,211,102,.35);}
    .btn-wa:disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}
    .btn-secondary{display:inline-block;margin-top:1rem;font-size:.84rem;color:#94a3b8;text-decoration:underline;text-underline-offset:3px;}
    .btn-secondary:hover{color:#cbd5e1;}

    .disclaimer{margin-top:2rem;padding:1.1rem 1.2rem;border-radius:11px;background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.08);font-size:.8rem;color:#64748b;line-height:1.65;}
    .disclaimer strong{color:#94a3b8;}

    @media(max-width:720px){
      .tier-grid,.contact-grid{grid-template-columns:1fr;}
      .course-item{flex-wrap:wrap;}
      .course-price{width:100%;padding-left:2rem;}
    }