:root{--teal:#004648;--teal2:#0a5a5c;--pink:#FF2D58;--pink-d:#d91e47;--gray:#6F6F6F;--light:#F4F7F7;--line:#E1E8E8;--r:6px;--nav:76px}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:var(--nav)}
body{margin:0;font:400 1rem/1.65 "Segoe UI",system-ui,-apple-system,Roboto,Helvetica,Arial,sans-serif;color:#1d2b2b;background:#fff;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
h1,h2,h3{font-family:Georgia,"Times New Roman",serif;color:var(--teal);line-height:1.2;margin:0 0 .6em;font-weight:700}
h1{font-size:clamp(2.1rem,5vw,3.6rem)}
h2{font-size:clamp(1.6rem,3.2vw,2.3rem)}
h3{font-size:1.2rem}
p{margin:0 0 1em}
a{color:var(--teal)}
:focus-visible{outline:3px solid var(--pink);outline-offset:2px}
.wrap{width:min(1180px,100% - 2.5rem);margin-inline:auto}
.skip{position:absolute;left:-999px;top:0;background:#fff;padding:.6rem 1rem;z-index:100}
.skip:focus{left:0}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;min-height:46px;padding:.65rem 1.3rem;border-radius:var(--r);font:700 1rem/1.2 inherit;text-decoration:none;border:2px solid transparent;cursor:pointer;transition:background .2s,color .2s,border-color .2s;text-align:center}
.btn-lg{min-height:54px;padding:.8rem 1.7rem;font-size:1.05rem}
.btn-pink{background:var(--pink);color:#fff}
.btn-pink:hover{background:var(--pink-d)}
.btn-pink:disabled{opacity:.6;cursor:not-allowed}
.btn-outline{border-color:var(--teal);color:var(--teal);background:#fff}
.btn-outline:hover{background:var(--teal);color:#fff}
.btn-ghost{border-color:rgba(255,255,255,.6);color:#fff}
.btn-ghost:hover{background:#fff;color:var(--teal)}
.btns{display:flex;flex-wrap:wrap;gap:.9rem}

/* nav */
.site-header{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .2s}
.site-header.scrolled{box-shadow:0 2px 14px rgba(0,70,72,.12)}
.nav{display:flex;align-items:center;justify-content:space-between;min-height:var(--nav);gap:1rem}
.brand img{height:56px;width:auto}
.menu{display:flex;align-items:center;gap:1.6rem;flex:1;justify-content:space-between;margin-left:2rem}
.menu ul{display:flex;gap:1.5rem;list-style:none;margin:0;padding:0}
.menu ul a{text-decoration:none;font-weight:600;color:var(--teal);padding:.4rem 0;border-bottom:2px solid transparent}
.menu ul a:hover{border-color:var(--pink)}
.actions{display:flex;gap:.7rem}
.burger{display:none;background:none;border:2px solid var(--teal);color:var(--teal);width:46px;height:46px;border-radius:var(--r);font-size:1.2rem;cursor:pointer}

/* hero */
.hero{background:var(--teal);color:#fff;padding:clamp(3rem,7vw,6rem) 0}
.hero h1{color:#fff}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:3rem;align-items:center}
.kicker{color:#ffb3c2;font-weight:600;margin-bottom:1rem}
.lead{font-size:1.15rem;color:#dbe9e9;max-width:56ch}
.tags{list-style:none;padding:0;margin:1.4rem 0 2rem;display:flex;flex-wrap:wrap;gap:.6rem}
.tags li{border:1px solid rgba(255,255,255,.3);padding:.35rem .8rem;border-radius:var(--r);font-size:.92rem}
.tags i{color:var(--pink);margin-right:.35rem}
.viz{background:#fff;color:#1d2b2b;border-radius:var(--r);padding:1rem 1.2rem 1.2rem;box-shadow:0 20px 50px rgba(0,0,0,.3)}
.win-bar{display:flex;align-items:center;gap:.4rem;margin-bottom:.8rem}
.win-bar span{width:10px;height:10px;border-radius:50%;background:var(--line)}
.win-bar span:first-child{background:var(--pink)}
.win-bar b{margin-left:.6rem;font-size:.8rem;color:var(--gray);font-weight:600}
.viz table{width:100%;border-collapse:collapse;font-size:.85rem}
.viz th{background:var(--teal);color:#fff;text-align:left;padding:.4rem .6rem;font-weight:600}
.viz td{padding:.4rem .6rem;border-bottom:1px solid var(--line)}
.bars{display:flex;align-items:flex-end;gap:.5rem;height:110px;margin:1rem 0;border-bottom:2px solid var(--line)}
.bars i{flex:1;background:var(--teal);border-radius:3px 3px 0 0}
.bars i.hi{background:var(--pink)}
.viz pre{margin:0;background:var(--light);padding:.8rem;border-left:3px solid var(--pink);font:.8rem/1.5 Consolas,Menlo,monospace;color:var(--teal);overflow-x:auto}

/* strip */
.strip{background:var(--light);border-bottom:1px solid var(--line)}
.strip-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem;padding:2rem 0}
.strip-grid div{position:relative;padding-left:3rem}
.strip-grid i{position:absolute;left:0;top:.2rem;font-size:1.5rem;color:var(--pink);width:2rem;text-align:center}
.strip-grid h2{font:700 1.05rem/1.3 "Segoe UI",system-ui,sans-serif;margin:0 0 .2rem}
.strip-grid p{margin:0;color:var(--gray);font-size:.92rem;line-height:1.5}

/* sections */
.sec{padding:clamp(3.5rem,7vw,6rem) 0}
.sec.alt{background:var(--light)}
.sec.dark{background:var(--teal);color:#dbe9e9}
.sec.dark h2,.sec.dark h3{color:#fff}
.head{max-width:680px;margin-bottom:2.5rem}
.head p{color:var(--gray);font-size:1.1rem}
.center{text-align:center}.center .head,.center p{margin-inline:auto}
.narrow{max-width:820px}
.two{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:start}
.two p{color:#3b4a4a}
.mini{font-weight:700;color:var(--teal);margin-bottom:.8rem}
.chips{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:.6rem}
.chips li{background:#fff;border:1px solid var(--line);border-left:3px solid var(--pink);padding:.45rem .9rem;border-radius:var(--r);font-weight:600;color:var(--teal)}

/* cards */
.cards3{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}
.cards5{display:grid;grid-template-columns:repeat(5,1fr);gap:1.2rem}
.card,.course{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:1.6rem;box-shadow:0 2px 8px rgba(0,70,72,.05)}
.card>i{font-size:1.6rem;color:var(--pink);margin-bottom:1rem}
.card p{color:var(--gray);margin:0}
.course{display:flex;flex-direction:column;border-top:4px solid var(--teal)}
.course .ico{width:56px;height:56px;border-radius:var(--r);background:var(--teal);color:#fff;display:grid;place-items:center;font-size:1.5rem;margin-bottom:1rem}
.meta{display:flex;flex-direction:column;margin-bottom:1rem}
.meta b{color:var(--pink-d)}
.meta span{color:var(--gray);font-size:.92rem}
.course>p:not(.meta){color:#3b4a4a}
.incl{list-style:none;padding:0;margin:.4rem 0 1.5rem}
.incl li{padding:.3rem 0;font-size:.95rem}
.incl i{color:var(--teal);width:1.6rem}
.course .btn{margin-top:auto}

/* steps */
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem}
.steps li{border-top:3px solid var(--pink);padding-top:1rem}
.steps span{font:700 2rem/1 Georgia,serif;color:#ffb3c2;display:block;margin-bottom:.6rem}
.steps p{margin:0}

/* format */
.stats{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:var(--r);margin-bottom:2rem}
.stats div{padding:1.6rem 1rem;text-align:center;border-right:1px solid var(--line)}
.stats div:last-child{border:0}
.stats b{display:block;font:700 clamp(1.5rem,3vw,2.2rem)/1.1 Georgia,serif;color:var(--teal)}
.stats span{color:var(--gray)}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:.4rem 1.5rem}

/* instructor */
.facts{list-style:none;margin:0;padding:0}
.facts li{display:flex;gap:1rem;padding:.9rem 0;border-bottom:1px solid var(--line)}
.facts li:first-child{padding-top:0}
.facts i{color:var(--pink);width:1.4rem;text-align:center;margin-top:.25rem}

/* payment */
.pay{background:var(--light);padding:clamp(2.5rem,5vw,4rem) 0}
.pay-box{display:flex;justify-content:space-between;align-items:center;gap:2rem;flex-wrap:wrap;background:#fff;border:1px solid var(--line);border-left:5px solid var(--pink);border-radius:var(--r);padding:2rem}
.pay-box>div{flex:1 1 380px}
.pay-box p{margin:0;color:#3b4a4a}

/* faq */
.faq .q{background:#fff;border:1px solid var(--line);border-radius:var(--r);margin-bottom:.7rem}
.faq h3{margin:0;font:inherit}
.faq button{width:100%;display:flex;justify-content:space-between;align-items:center;gap:1rem;background:none;border:0;padding:1.1rem 1.3rem;font:700 1.02rem/1.4 inherit;color:var(--teal);text-align:left;cursor:pointer;min-height:56px}
.faq button i{color:var(--pink);transition:transform .2s}
.faq button[aria-expanded="true"] i{transform:rotate(45deg)}
.faq [role=region]{padding:0 1.3rem 1.1rem}
.faq [role=region] p{margin:0;color:#3b4a4a}

/* cta */
.cta p{max-width:560px;font-size:1.1rem;margin-bottom:1.8rem}
.cta .btns{justify-content:center}

/* contact */
.cinfo{list-style:none;padding:0;margin:1.5rem 0 0}
.cinfo li{display:flex;gap:1rem;margin-bottom:1.4rem}
.cinfo>li>i{width:44px;height:44px;flex:none;display:grid;place-items:center;background:var(--teal);color:#fff;border-radius:var(--r)}
.cinfo b{display:block;color:var(--teal)}
.cinfo address{font-style:normal;color:#3b4a4a}
#contact-form{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:2rem;box-shadow:0 8px 24px rgba(0,70,72,.08)}
.f{margin-bottom:1rem}
.f label{display:block;font-weight:600;color:var(--teal);margin-bottom:.3rem;font-size:.95rem}
.f label span{color:var(--pink-d)}
.f input,.f textarea{width:100%;padding:.75rem .9rem;border:1.5px solid #b8c4c4;border-radius:var(--r);font:inherit;color:#1d2b2b;background:#fff}
.f input:focus,.f textarea:focus{border-color:var(--teal);outline:3px solid rgba(0,70,72,.25)}
.f [aria-invalid=true]{border-color:#c0162f}
.err{display:block;color:#b0122a;font-weight:600;min-height:0;margin-top:.25rem}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.hp{position:absolute;left:-9999px;height:0;overflow:hidden}
#form-status{margin:1rem 0 0;font-weight:600}
#form-status.ok{color:var(--teal);background:var(--light);border-left:4px solid var(--teal);padding:.8rem 1rem}
#form-status.bad{color:#b0122a;background:#fdeef1;border-left:4px solid #b0122a;padding:.8rem 1rem}

/* footer */
.footer{background:var(--teal);color:#cfe0e0;padding-top:3rem}
.footer img{background:#fff;padding:.4rem .6rem;border-radius:var(--r);margin-bottom:1rem}
.foot-grid{display:grid;grid-template-columns:1.3fr 1fr 1.3fr;gap:2.5rem}
.footer h3{color:#fff;font:700 1rem/1.3 "Segoe UI",sans-serif;margin-bottom:.8rem}
.footer ul{list-style:none;margin:0;padding:0}
.footer li{margin-bottom:.4rem}
.footer a{color:#cfe0e0;text-decoration:none}
.footer a:hover{color:#fff;text-decoration:underline}
.copy{margin-top:2.5rem;padding:1.2rem 0;border-top:1px solid rgba(255,255,255,.2);font-size:.9rem}

/* responsive */
@media(max-width:1020px){
  .cards5{grid-template-columns:repeat(3,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .menu{margin-left:1rem;gap:1rem}.menu ul{gap:1rem}
  .actions .btn{padding:.6rem .9rem;font-size:.92rem}
}
@media(max-width:900px){
  .burger{display:block}
  .menu{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;padding:1rem 1.25rem 1.5rem;margin:0;box-shadow:0 12px 20px rgba(0,70,72,.12)}
  .menu.open{display:flex}
  .menu ul{flex-direction:column;gap:0}
  .menu ul a{display:block;padding:.9rem 0;border-bottom:1px solid var(--line)}
  .actions{flex-direction:column;margin-top:1rem}
  .actions .btn{min-height:50px;font-size:1rem}
  .hero-grid,.two,.foot-grid{grid-template-columns:1fr}
  .cards3{grid-template-columns:1fr}
  .strip-grid{grid-template-columns:1fr 1fr}
  .stats{grid-template-columns:1fr 1fr}
  .stats div:nth-child(2){border-right:0}
  .stats div:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .grid3{grid-template-columns:1fr 1fr}
}
@media(max-width:600px){
  .cards5,.steps,.strip-grid,.grid3,.row2{grid-template-columns:1fr}
  .btns .btn,.pay-box .btn{width:100%}
  #contact-form{padding:1.3rem}
  .brand img{height:48px}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}