:root{--navy:#071a36;--navy2:#132b59;--blue:#126bc5;--purple:#6d3ac7;--pink:#ef4ca6;--gold:#ffd45e;--ink:#15213a;--muted:#66748a;--bg:#eef4fb;--green:#168352;--border:#d8e2ef}
*{box-sizing:border-box}
html{min-width:320px;background:var(--bg);scroll-behavior:smooth}
body{margin:0;min-width:320px;min-height:100vh;background:var(--bg);font-family:Arial,Helvetica,sans-serif;color:var(--ink);overflow-x:hidden}
a{color:#4d2ea8}
.page-border{position:fixed;inset:0;border:5px solid var(--pink);pointer-events:none;z-index:9999}
.hero-band{width:100%;background:linear-gradient(135deg,var(--navy) 0%,var(--navy2) 100%);color:#fff}
.shell{width:min(1080px,calc(100% - 38px));margin-inline:auto}
.topbar{padding:22px 0 12px;color:#dce9ff;font-weight:800}
.brand{color:#fff;font-size:21px;text-decoration:none;letter-spacing:.2px}
.hero{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(240px,.75fr);gap:32px;align-items:center;color:#fff;padding:34px 0 58px}
.hero-copy{min-width:0;padding-bottom:3px}
.eyebrow{display:inline-block;color:#ffd76b;font-size:13px;font-weight:900;letter-spacing:1.2px;text-transform:uppercase}
.hero h1{font-size:clamp(38px,6vw,64px);line-height:1.02;margin:10px 0 16px;overflow-wrap:anywhere}
.hero h1 span{color:#ff78bd}
.hero p{font-size:18px;line-height:1.65;color:#e2edff;max-width:680px;margin:0 0 16px}
.price{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;font-size:44px;font-weight:1000;color:var(--gold);margin:12px 0 8px}
.price small{font-size:15px;color:#dce9ff;font-weight:700}
.cta{display:inline-block;background:linear-gradient(135deg,#ff4da7,#7737d4);color:#fff;text-decoration:none;border:0;border-radius:12px;padding:15px 24px;font-weight:900;font-size:17px;box-shadow:0 10px 28px rgba(239,76,166,.3);cursor:pointer;min-height:50px}
.cta:hover,.cta:focus-visible{filter:brightness(1.06);outline:3px solid rgba(255,255,255,.4);outline-offset:2px}
.professor{text-align:center;align-self:end}
.professor img{display:block;max-width:310px;width:100%;height:auto;margin:0 auto;filter:drop-shadow(0 18px 30px rgba(0,0,0,.3))}
.main{padding-top:24px;padding-bottom:48px}
.card{background:#fff;border:1px solid var(--border);border-radius:18px;padding:26px;box-shadow:0 14px 40px rgba(21,47,84,.12);margin-bottom:20px}
.card h2{margin:0 0 12px;color:#0d2b58;font-size:clamp(22px,3vw,28px)}
.card p{line-height:1.55}
.three{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.feature{padding:17px;border:1px solid #e0e7f1;border-radius:13px;background:#f8fbff;min-width:0}
.feature strong{display:block;color:#532ca8;margin-bottom:5px}
.fine{display:block;color:var(--muted);font-size:13px;line-height:1.55}
.formgrid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.full{grid-column:1/-1}
label{display:block;font-weight:900;margin-bottom:7px}
input,select{width:100%;max-width:100%;padding:13px 14px;border:1px solid #c7d2e0;border-radius:10px;font:inherit;background:#fff;color:var(--ink)}
.go{width:100%;padding:15px;border:0;border-radius:11px;background:linear-gradient(135deg,#126bc5,#6d3ac7);color:#fff;font-weight:1000;font-size:17px;cursor:pointer;min-height:50px}
.success{background:#eaf8f1;border:1px solid #b8e4cb;color:#126a45;padding:14px 16px;border-radius:11px;margin-bottom:18px;overflow-wrap:anywhere}
.error{background:#fff1ef;border:1px solid #f1c2bc;color:#a5291d;padding:14px 16px;border-radius:11px;margin-bottom:18px;overflow-wrap:anywhere}
.playlist{border:3px solid var(--pink);background:#fff7fc;border-radius:16px;padding:20px;text-align:center}
.playlist .numbers{font-size:clamp(17px,3vw,25px);font-weight:1000;word-spacing:2px;line-height:1.6;color:#12264d;overflow-wrap:anywhere}
.actions{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin-top:18px}
.btn{border:0;border-radius:10px;padding:12px 17px;font-weight:900;text-decoration:none;cursor:pointer;min-height:44px;text-align:center}.btn.copy{background:#162a50;color:#fff}.btn.report{background:#6d3ac7;color:#fff}
.notice14{border-left:5px solid var(--pink);background:#fff7fc;padding:14px 16px;margin-top:18px;line-height:1.55}
.footer{text-align:center;color:#5e6d82;padding:25px 20px 40px;font-size:13px}
@media(max-width:860px){
  .hero{grid-template-columns:minmax(0,1fr) 240px;gap:18px}
  .professor img{max-width:240px}
  .hero p{font-size:17px}
}
@media(max-width:700px){
  .page-border{border-width:3px}
  .shell{width:min(100% - 28px,1080px)}
  .topbar{text-align:center;padding-top:20px}
  .hero{grid-template-columns:1fr;text-align:center;padding:26px 0 36px;gap:18px}
  .hero-copy{order:1}
  .professor{order:2;align-self:center}
  .hero p{margin-left:auto;margin-right:auto;font-size:16px;line-height:1.58}
  .professor img{max-width:205px}
  .price{justify-content:center;font-size:38px}
  .cta{width:min(100%,360px)}
  .three,.formgrid{grid-template-columns:1fr}
  .full{grid-column:auto}
  .card{padding:20px;border-radius:15px}
  .main{padding-top:18px}
  .actions{flex-direction:column;align-items:stretch}
  .btn{width:100%}
}
@media(max-width:420px){
  .shell{width:calc(100% - 22px)}
  .brand{font-size:18px}
  .hero h1{font-size:36px}
  .eyebrow{font-size:11px;letter-spacing:1px}
  .price{font-size:34px;gap:8px}
  .price small{font-size:13px}
  .card{padding:17px}
  .feature{padding:14px}
  .playlist{padding:16px 12px}
}

/* V4 hero containment safeguard */
.hero-band{display:block;height:auto!important;min-height:0!important;overflow:visible!important;padding-bottom:0!important}
.hero-band>.shell{display:block;height:auto!important;overflow:visible!important}
.hero{height:auto!important;min-height:0!important;overflow:visible!important}
.hero-copy{height:auto!important;overflow:visible!important}
@media(min-width:701px){.hero{padding-bottom:64px}}