:root{
  --red:#d81e2c;
  --red-dark:#a8151f;
  --ink:#15171a;
  --muted:#5b6168;
  --line:#e7e9ec;
  --bg:#ffffff;
  --bg-soft:#fafafb;
  --max:1140px;
  --radius:14px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,Helvetica,Arial,sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.55;
  -webkit-font-smoothing:antialiased;font-size:17px;
}
a{color:inherit;text-decoration:none}
img{max-width:100%}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
.accent{color:var(--red)}

/* Header */
header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);
  backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:66px;gap:18px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;letter-spacing:-.02em;flex:0 0 auto}
.mark{width:28px;height:28px;border-radius:7px;background:var(--red);position:relative;flex:0 0 auto}
.mark::before,.mark::after{content:"";position:absolute;background:#fff}
.mark::before{width:5px;height:16px;left:11.5px;top:6px}
.mark::after{height:5px;width:16px;top:11.5px;left:6px}
.navlinks{display:flex;align-items:center;gap:15px;font-size:14.5px;font-weight:500}
.navlinks a{color:var(--muted);transition:color .15s;white-space:nowrap}
.navlinks a:hover{color:var(--ink)}
.navlinks a.active{color:var(--red);font-weight:600}
.navlinks a.lock{display:inline-flex;align-items:center;gap:5px}
.langswitch{display:inline-flex;gap:9px;align-items:center;font-size:13px;font-weight:600;padding-left:4px}
.langswitch a{color:var(--muted)}
.langswitch a:hover{color:var(--ink)}
.langswitch a.active{color:var(--red)}
.btn{display:inline-block;background:var(--red);color:#fff;padding:10px 18px;border-radius:999px;
  font-weight:600;font-size:14.5px;transition:background .15s,transform .15s;border:none;cursor:pointer;font-family:inherit;white-space:nowrap}
.btn:hover{background:var(--red-dark);transform:translateY(-1px)}
.btn.ghost{background:transparent;color:var(--ink);border:1.5px solid var(--line)}
.btn.ghost:hover{border-color:var(--red);color:var(--red);background:transparent}
.btn.lg{padding:15px 28px;font-size:16px}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}
.menu-toggle{display:none;background:none;border:none;cursor:pointer;width:30px;height:30px;flex:0 0 auto}
.menu-toggle span{display:block;height:2px;background:var(--ink);margin:6px 0;transition:.2s}

/* Hero */
.hero{padding:90px 0 64px;border-bottom:1px solid var(--line)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  text-transform:uppercase;letter-spacing:.09em;color:var(--red);
  background:#fdeced;padding:6px 14px;border-radius:999px;margin-bottom:24px}
.hero h1{font-size:clamp(38px,5.5vw,68px);line-height:1.03;letter-spacing:-.03em;font-weight:800;max-width:15ch}
.hero p.lead{font-size:clamp(18px,2.2vw,22px);color:var(--muted);max-width:58ch;margin:26px 0 36px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:48px;align-items:center}
figure{margin:0}
.hero-img img{width:100%;border-radius:16px;display:block;box-shadow:0 30px 60px -38px rgba(0,0,0,.55)}
.hero-img figcaption{font-size:13px;color:var(--muted);margin-top:10px}
.heritage{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.heritage figure img{width:100%;height:300px;object-fit:cover;border-radius:14px;display:block}
.heritage figcaption{font-size:13px;color:var(--muted);margin-top:10px}

/* Section scaffolding */
section{padding:72px 0}
.section-head{max-width:64ch;margin-bottom:44px}
.kicker{font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--red);margin-bottom:14px}
h2{font-size:clamp(30px,4vw,44px);line-height:1.08;letter-spacing:-.02em;font-weight:800}
.section-head p{color:var(--muted);font-size:19px;margin-top:16px}
.soft{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.backlink{display:inline-block;margin-bottom:22px;font-size:14px;font-weight:600;color:var(--muted)}
.backlink:hover{color:var(--red)}

/* Home cards */
.home-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:8px}
.linkcard{border:1px solid var(--line);border-radius:var(--radius);padding:28px;background:#fff;display:block;transition:border-color .2s,transform .2s}
.linkcard:hover{border-color:var(--red);transform:translateY(-3px)}
.linkcard h3{font-size:20px;letter-spacing:-.01em;margin-bottom:8px}
.linkcard p{font-size:15px;color:var(--muted)}
.linkcard .go{margin-top:14px;font-size:14px;font-weight:600;color:var(--red)}

/* What is PBL */
.pbl{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.pbl .lede p{font-size:18px;color:var(--muted);margin-bottom:18px}
.pbl .lede p strong{color:var(--ink)}
.pbl-card{border:1px solid var(--line);border-left:4px solid var(--red);border-radius:var(--radius);
  padding:30px;background:#fff}
.pbl-card h4{font-size:13px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin-bottom:18px}
.pbl-card ol{list-style:none;counter-reset:s;display:flex;flex-direction:column;gap:16px}
.pbl-card li{counter-increment:s;position:relative;padding-left:42px;font-size:16px}
.pbl-card li::before{content:counter(s);position:absolute;left:0;top:-2px;width:28px;height:28px;
  background:var(--red);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:700}
.pbl-card li strong{display:block}
.pbl-card li span{color:var(--muted);font-size:15px}
.why-pbl{margin-top:52px}
.why-pbl h3{font-size:23px;letter-spacing:-.01em;margin-bottom:22px}
.reasons{display:grid;grid-template-columns:1fr 1fr;gap:18px 44px}
.reason{padding-bottom:16px;border-bottom:1px solid var(--line)}
.reason strong{display:block;margin-bottom:5px;font-size:16px}
.reason p{color:var(--muted);font-size:15px}
.stage-note{margin-top:30px;font-size:14px;color:var(--muted);font-style:italic;max-width:70ch}

/* Worked examples */
.samples{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.sample{border:1px solid var(--line);border-radius:var(--radius);background:#fff;padding:30px}
.sample .slabel{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.07em;color:var(--red);margin-bottom:10px}
.sample h3{font-size:21px;letter-spacing:-.01em;margin-bottom:14px}
.sample .scenario{background:var(--bg-soft);border-left:3px solid var(--red);border-radius:8px;
  padding:14px 16px;font-size:15px;color:var(--ink);margin-bottom:6px}
.sample .phase{margin-top:18px}
.sample .phase h4{font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin-bottom:5px}
.sample .phase p{font-size:15px;color:var(--muted)}

/* Group / delivery pricing box */
.delivery{margin-top:30px;border:1px solid var(--line);border-radius:var(--radius);padding:30px;background:#fff}
.delivery h3{font-size:20px;margin-bottom:10px}
.delivery p{color:var(--muted);font-size:16px;margin-bottom:18px;max-width:74ch}
.ptable{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;max-width:560px}
.ptable .pc{border:1px solid var(--line);border-radius:10px;padding:16px;text-align:center;background:var(--bg-soft)}
.ptable .pc .n{font-size:14px;color:var(--muted);margin-bottom:6px}
.ptable .pc .v{font-size:22px;font-weight:800;color:var(--ink)}
.ptable .pc .v span{font-size:13px;font-weight:500;color:var(--muted);display:block;margin-top:2px}

/* Steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step{border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px;background:#fff;
  transition:border-color .2s,transform .2s}
.step:hover{border-color:var(--red);transform:translateY(-3px)}
.step .num{font-size:14px;font-weight:800;color:var(--red);margin-bottom:14px}
.step h3{font-size:18px;letter-spacing:-.01em;margin-bottom:8px}
.step p{font-size:15px;color:var(--muted)}

/* Subjects */
.subjects{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.subj-col h3{font-size:15px;text-transform:uppercase;letter-spacing:.08em;color:var(--red);margin-bottom:18px;font-weight:700}
.pills{display:flex;flex-wrap:wrap;gap:10px}
.pill{display:inline-block;border:1px solid var(--line);border-radius:999px;padding:9px 16px;font-size:15px;font-weight:500;
  background:#fff;transition:.15s;color:var(--ink)}
a.pill:hover{border-color:var(--red);color:var(--red)}
.topic-box{margin-top:40px;border:1px solid var(--line);border-left:4px solid var(--red);
  border-radius:var(--radius);padding:30px;background:#fff}
.topic-box h4{font-size:14px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin-bottom:16px}
.topic-box .pill{background:var(--bg-soft)}
.subject-cta{margin-top:36px;display:flex;gap:14px;flex-wrap:wrap;align-items:center}

/* Advisors */
.advisor-lead{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:stretch}
.founder{border:1px solid var(--red);border-radius:var(--radius);padding:32px;background:#fffafa}
.founder .badge{display:inline-block;background:var(--red);color:#fff;font-size:12px;font-weight:700;
  text-transform:uppercase;letter-spacing:.06em;padding:5px 12px;border-radius:999px;margin-bottom:16px}
.founder h3{font-size:22px;margin-bottom:10px}
.founder p{color:var(--muted);font-size:16px;margin-bottom:14px}
.founder ul{list-style:none;display:flex;flex-direction:column;gap:10px}
.founder li{font-size:15px;padding-left:26px;position:relative}
.founder li::before{content:"";position:absolute;left:0;top:7px;width:14px;height:8px;
  border-left:2px solid var(--red);border-bottom:2px solid var(--red);transform:rotate(-45deg)}
.panel-note{border:1px solid var(--line);border-radius:var(--radius);padding:32px;background:#fff;display:flex;flex-direction:column;justify-content:center}
.panel-note h3{font-size:20px;margin-bottom:12px}
.panel-note p{color:var(--muted);font-size:16px;margin-bottom:18px}
.tutor-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:36px}
.tutor{border:1px solid var(--line);border-radius:var(--radius);padding:24px;background:#fff}
.tutor .av{width:44px;height:44px;border-radius:50%;background:var(--red);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:700;margin-bottom:14px}
.tutor h3{font-size:18px;margin-bottom:6px}
.tutor p{font-size:14px;color:var(--muted)}

/* Pricing */
.prices{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:stretch}
.price{border:1px solid var(--line);border-radius:var(--radius);padding:32px;background:#fff;display:flex;flex-direction:column}
.price.feat{border-color:var(--red);box-shadow:0 14px 40px -22px rgba(216,30,44,.5);position:relative}
.price h3{font-size:20px;margin-bottom:6px}
.price .who{font-size:14px;color:var(--muted);margin-bottom:18px}
.price .amt{font-size:38px;font-weight:800;letter-spacing:-.02em}
.price .amt span{font-size:15px;font-weight:500;color:var(--muted)}
.price ul{list-style:none;margin:22px 0 26px;display:flex;flex-direction:column;gap:11px}
.price li{font-size:15px;color:var(--ink);padding-left:26px;position:relative}
.price li::before{content:"";position:absolute;left:0;top:7px;width:14px;height:8px;
  border-left:2px solid var(--red);border-bottom:2px solid var(--red);transform:rotate(-45deg)}
.price .btn{margin-top:auto;text-align:center}
.membership{margin-top:26px;text-align:center;font-size:15px;color:var(--muted)}

/* FAQ */
.faq{max-width:820px;margin:0 auto}
.q{border-bottom:1px solid var(--line)}
.q button{width:100%;text-align:left;background:none;border:none;cursor:pointer;font-family:inherit;
  padding:22px 0;font-size:19px;font-weight:600;color:var(--ink);display:flex;justify-content:space-between;align-items:center;gap:20px}
.q button .pm{flex:0 0 auto;width:22px;height:22px;position:relative;transition:transform .2s}
.q button .pm::before,.q button .pm::after{content:"";position:absolute;background:var(--red);left:50%;top:50%}
.q button .pm::before{width:2px;height:14px;transform:translate(-50%,-50%)}
.q button .pm::after{width:14px;height:2px;transform:translate(-50%,-50%)}
.q.open .pm{transform:rotate(45deg)}
.q .a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.q .a p{padding:0 0 22px;color:var(--muted);font-size:16px;max-width:70ch}

/* Documents */
.doc-controls{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;align-items:center;margin-bottom:18px}
.doc-tabs{display:flex;flex-wrap:wrap;gap:8px}
.doc-tab{border:1px solid var(--line);background:#fff;border-radius:999px;padding:8px 16px;font-size:14px;font-weight:600;cursor:pointer;color:var(--muted);font-family:inherit;transition:.15s}
.doc-tab:hover{border-color:var(--red);color:var(--red)}
.doc-tab.active{background:var(--red);border-color:var(--red);color:#fff}
.doc-year{padding:9px 14px;border:1px solid var(--line);border-radius:10px;font-size:14px;font-family:inherit;background:#fff;color:var(--ink)}
.doc-count{font-size:14px;color:var(--muted);margin-bottom:14px}
.doc-list{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.doc-item{display:flex;align-items:center;gap:20px;padding:20px 4px;border-bottom:1px solid var(--line)}
.doc-item .ico{flex:0 0 auto;width:40px;height:48px;border-radius:6px;background:#fdeced;display:flex;align-items:flex-end;justify-content:center;padding-bottom:7px}
.doc-item .ico span{font-size:9px;font-weight:800;color:var(--red);letter-spacing:.04em}
.doc-item .meta{flex:1;min-width:0}
.doc-item .tag{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--red);margin-bottom:4px}
.doc-item .tag .yr{color:var(--muted);margin-left:8px}
.doc-item h3{font-size:17px;letter-spacing:-.01em;font-weight:600}
.doc-item .dl{flex:0 0 auto}
.doc-empty{padding:30px 0;color:var(--muted)}

/* Advisor gate */
.gate{max-width:420px;margin:0 auto;border:1px solid var(--line);border-radius:var(--radius);padding:36px;background:#fff;text-align:center}
.gate .lockico{width:48px;height:48px;border-radius:12px;background:#fdeced;display:flex;align-items:center;justify-content:center;margin:0 auto 18px;font-size:22px}
.gate h2{font-size:24px;margin-bottom:8px}
.gate p{color:var(--muted);font-size:15px;margin-bottom:22px}
.gate input{width:100%;padding:13px 15px;border:1px solid var(--line);border-radius:10px;font-size:16px;font-family:inherit;margin-bottom:14px}
.gate input:focus{outline:none;border-color:var(--red);box-shadow:0 0 0 3px #fdeced}
.gate .err{color:var(--red);font-size:14px;min-height:18px;margin-top:10px}
.advisor-content{display:none}
.res-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:8px}
.res{border:1px solid var(--line);border-radius:var(--radius);padding:24px;background:#fff}
.res h3{font-size:17px;margin-bottom:6px}
.res p{font-size:14px;color:var(--muted);margin-bottom:12px}

/* Booking / checkout */
.booking{border:1px solid var(--line);border-radius:24px;background:#fff;overflow:hidden;
  box-shadow:0 30px 70px -50px rgba(0,0,0,.4)}
.booking-head{padding:30px 36px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.booking-head h3{font-size:22px}
.stepbar{display:flex;gap:8px;margin-left:auto}
.dot{width:30px;height:6px;border-radius:999px;background:var(--line);transition:.25s}
.dot.on{background:var(--red)}
.booking-body{padding:36px}
.bk-step{display:none}
.bk-step.active{display:block;animation:fade .25s ease}
@keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.field{margin-bottom:22px}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px}
.field input,.field select,.field textarea{width:100%;padding:13px 15px;border:1px solid var(--line);
  border-radius:10px;font-size:16px;font-family:inherit;background:#fff;color:var(--ink)}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--red);box-shadow:0 0 0 3px #fdeced}
.opt-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.opt{border:1.5px solid var(--line);border-radius:12px;padding:18px;cursor:pointer;transition:.15s;background:#fff}
.opt:hover{border-color:var(--red)}
.opt.sel{border-color:var(--red);background:#fffafa}
.opt .ot{font-weight:700;font-size:16px;margin-bottom:4px}
.opt .op{font-size:14px;color:var(--muted)}
.opt .opr{font-weight:700;color:var(--red);margin-top:10px;font-size:15px}
.bk-actions{display:flex;justify-content:space-between;gap:12px;margin-top:30px}
.summary{border:1px solid var(--line);border-radius:12px;background:var(--bg-soft);padding:22px;margin-bottom:24px}
.summary .row{display:flex;justify-content:space-between;padding:9px 0;font-size:15px;border-bottom:1px solid var(--line)}
.summary .row:last-child{border-bottom:none;font-weight:700;font-size:18px;padding-top:14px}
.summary .row span:first-child{color:var(--muted)}
.pay-note{background:#fdeced;border:1px solid #f6c6cb;border-radius:10px;padding:16px 18px;font-size:14px;color:#7a1b22;margin-top:18px}
.pay-row{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:13px;margin-top:16px;justify-content:center}
.done{text-align:center;padding:20px 0}
.done .check{width:64px;height:64px;border-radius:50%;background:#fdeced;margin:0 auto 20px;position:relative}
.done .check::after{content:"";position:absolute;left:23px;top:18px;width:16px;height:28px;
  border-right:4px solid var(--red);border-bottom:4px solid var(--red);transform:rotate(40deg)}
.done h3{font-size:24px;margin-bottom:10px}
.done p{color:var(--muted);max-width:44ch;margin:0 auto}

/* Footer */
footer{border-top:1px solid var(--line);padding:54px 0 40px;margin-top:90px}
.foot{display:flex;justify-content:space-between;flex-wrap:wrap;gap:30px}
.foot .logo{font-size:18px}
.foot-links{display:flex;gap:40px;flex-wrap:wrap}
.foot-col h5{font-size:13px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin-bottom:14px}
.foot-col a{display:block;color:var(--ink);font-size:15px;margin-bottom:9px;opacity:.8}
.foot-col a:hover{opacity:1;color:var(--red)}
.foot-bottom{margin-top:46px;padding-top:24px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:14px;font-size:14px;color:var(--muted)}

/* Responsive */
@media(max-width:992px){
  .steps{grid-template-columns:1fr 1fr}
  .grid3,.tutor-grid,.prices,.compare,.subjects,.pbl,.advisor-lead,.reasons,.samples,.home-grid,.res-grid,.hero-grid,.heritage{grid-template-columns:1fr}
  .hero-img img{height:300px;object-fit:cover;object-position:center}
  .ptable{grid-template-columns:1fr 1fr}
  .opt-grid{grid-template-columns:1fr}
  .navlinks{position:fixed;top:66px;left:0;right:0;background:#fff;flex-direction:column;
    align-items:flex-start;gap:0;padding:8px 24px 20px;border-bottom:1px solid var(--line);
    transform:translateY(-150%);transition:transform .25s;box-shadow:0 20px 40px -30px rgba(0,0,0,.4);max-height:calc(100vh - 66px);overflow:auto}
  .navlinks.show{transform:translateY(0)}
  .navlinks a{padding:13px 0;width:100%;border-bottom:1px solid var(--line)}
  .navlinks .btn{margin-top:14px}
  .menu-toggle{display:block}
  section{padding:56px 0}
  .booking-body{padding:24px}
}
@media(max-width:560px){
  .steps{grid-template-columns:1fr}
  .hero{padding:56px 0 44px}
  .booking-head{padding:22px 24px}
  .doc-item{flex-wrap:wrap}
  .doc-item .dl{width:100%}
}