:root{
  --ground:#F6F4EE; --ink:#14201C; --muted:#3F4B46; --soft:#4A5752;
  --line:#DDD8CC; --line2:#E8E4DA; --accent:#0F5C4E; --accent-dark:#0A4439;
  --sage:#E3EBE4; --sage-ink:#1F3A33; --mint:#8FC7B6;
  --serif:"Fraunces",Georgia,serif; --sans:"Instrument Sans","Helvetica Neue",Helvetica,sans-serif;
  --pad:clamp(20px,6.5vw,96px);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--ground);color:var(--ink);font-family:var(--sans);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:var(--accent)}a:hover{color:var(--accent-dark)}
:focus-visible{outline:3px solid var(--accent);outline-offset:3px;border-radius:6px}
h1,h2,h3{font-family:var(--serif);font-weight:500;letter-spacing:-0.02em;margin:0}
p,ul,ol{margin:0}
.wrap{max-width:1440px;margin:0 auto;padding-left:var(--pad);padding-right:var(--pad)}
.eyebrow{font-size:14px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--accent)}
.h2{font-size:clamp(34px,4.2vw,52px);line-height:1.08}
.h3{font-size:clamp(28px,3vw,38px);line-height:1.12}
.lead{font-size:18px;color:var(--muted)}
.muted{color:var(--muted)}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:0 28px;border-radius:999px;font-weight:600;font-size:17px;text-decoration:none;border:1.5px solid transparent;font-family:inherit;cursor:pointer}
.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-dark);color:#fff}
.btn-ghost{border-color:var(--ink);color:var(--ink)}.btn-ghost:hover{background:var(--ink);color:#fff}
.btn-light{background:#fff;color:var(--accent-dark)}.btn-light:hover{background:var(--sage);color:var(--accent-dark)}
.grid{display:grid;gap:24px}
.sec{padding-top:112px;padding-bottom:112px}
.sec-top{padding-top:112px}
section{scroll-margin-top:88px}
.stack{display:flex;flex-direction:column;gap:20px}
.stack-lg{display:flex;flex-direction:column;gap:56px}

/* header */
header{position:sticky;top:0;z-index:10;background:rgba(246,244,238,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav{height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink)}
.brand span{font-family:var(--serif);font-size:26px;font-weight:600;letter-spacing:-.01em}
.links{display:flex;align-items:center;gap:32px}
.links a{color:var(--ink);text-decoration:none;font-size:16px;padding:4px 0;border-bottom:2px solid transparent}
.links a:hover{color:var(--accent)}
.links a[aria-current="page"]{border-bottom-color:var(--accent);color:var(--accent)}
.links .btn{min-height:44px;padding:0 22px;font-size:16px;color:#fff;border:0}
.menu-btn{display:none;background:none;border:0;width:44px;height:44px;cursor:pointer;color:var(--ink)}

/* page hero (inner pages) */
.phero{padding-top:clamp(56px,7vw,96px);padding-bottom:clamp(56px,7vw,96px);border-bottom:1px solid var(--line)}
.phero .inner{display:grid;grid-template-columns:1.2fr 1fr;gap:80px;align-items:end}
.phero h1{font-size:clamp(42px,5vw,64px);line-height:1.04;letter-spacing:-.025em}
.phero .lead{font-size:20px;line-height:1.55}

/* home hero */
.hero{padding-top:clamp(56px,8vw,104px);padding-bottom:clamp(64px,8vw,112px);grid-template-columns:1fr 1fr;gap:80px;align-items:center}
.hero h1{font-size:clamp(44px,5.6vw,72px);line-height:1.02;letter-spacing:-.025em}
.hero .lead{font-size:20px;max-width:540px;line-height:1.55}
.cta-row{display:flex;flex-wrap:wrap;gap:14px;padding-top:8px}
.panel{background:#fff;border:1px solid var(--line);border-radius:24px;padding:clamp(24px,3vw,40px)}
.panel h2{font-size:24px;padding-bottom:16px}
.row{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:18px 0;border-top:1px solid var(--line2)}
.row b{font-size:18px}.row span{font-size:15px;color:var(--soft);white-space:nowrap}
.note{margin-top:16px;padding:18px 20px;border-radius:14px;background:var(--sage);font-size:15px;color:var(--sage-ink)}

/* heads */
.head{display:flex;justify-content:space-between;align-items:flex-end;gap:32px 80px;flex-wrap:wrap}
.head-copy{display:flex;flex-direction:column;gap:16px;max-width:720px}
.head .lead{max-width:440px}

/* cards */
.cards2{grid-template-columns:repeat(2,minmax(0,1fr))}
.cards3{grid-template-columns:repeat(3,minmax(0,1fr))}
.cards4{grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.cards5{grid-template-columns:repeat(5,minmax(0,1fr));gap:20px}
.card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:36px;display:flex;flex-direction:column;gap:16px}
.card h3{font-size:28px}
.card p{color:var(--muted)}
.card .more{margin-top:auto;font-weight:600;text-decoration:none}
.point{background:#fff;border:1px solid var(--line);border-radius:20px;padding:32px;display:flex;flex-direction:column;gap:12px}
.point h3,.steps h3,.plain h3{font-family:var(--sans);font-size:21px;font-weight:600;letter-spacing:0}
.point p{font-size:16px;color:var(--muted)}

/* dark */
.dark{background:var(--ink);color:var(--ground)}
.dark .lead,.dark p{color:#C9D3CE}
.dark .eyebrow{color:var(--mint)}
.prog{border:1px solid #34443E;border-radius:20px;padding:32px;display:flex;flex-direction:column;gap:16px}
.prog h3{font-size:26px;color:var(--ground)}
.prog p{font-size:16px}
.prog .codes{font-size:14px;color:var(--mint);margin-top:auto}
.prog a{color:var(--mint)}

/* two-col */
.split{grid-template-columns:1fr 1fr;gap:80px;align-items:start}
.sticky{position:sticky;top:120px}

/* steps */
.steps{list-style:none;padding:0;grid-template-columns:repeat(4,minmax(0,1fr));gap:40px}
.steps.five{grid-template-columns:repeat(5,minmax(0,1fr));gap:32px}
.steps li{display:flex;flex-direction:column;gap:12px;padding-top:24px;border-top:2px solid var(--ink)}
.steps .n{font-family:var(--serif);font-size:20px;color:var(--accent)}
.steps p{font-size:16px;color:var(--muted)}

/* program detail */
.program{display:grid;grid-template-columns:1fr 1.25fr;gap:80px;padding-top:96px;padding-bottom:96px;border-top:1px solid var(--line)}
.program:first-of-type{border-top:0}
.tag{display:inline-block;align-self:flex-start;font-size:14px;font-weight:600;color:var(--accent-dark);background:var(--sage);padding:6px 14px;border-radius:999px}
.facts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.fact{background:#fff;border:1px solid var(--line);border-radius:20px;padding:28px;display:flex;flex-direction:column;gap:12px}
.fact h3{font-family:var(--sans);font-size:18px;font-weight:600;letter-spacing:0}
.fact.wide{grid-column:1 / -1}
ul.ticks{list-style:none;padding:0;display:flex;flex-direction:column;gap:10px;font-size:16px;color:var(--muted)}
ul.ticks li{padding-left:28px;position:relative}
ul.ticks li::before{content:"";position:absolute;left:2px;top:9px;width:12px;height:7px;border-left:2px solid var(--accent);border-bottom:2px solid var(--accent);transform:rotate(-45deg)}

/* audience detail */
.aud{display:grid;grid-template-columns:1fr 1.25fr;gap:80px;padding-top:96px;padding-bottom:96px;border-top:1px solid var(--line)}
.aud:first-of-type{border-top:0}

/* bands */
.band{border-radius:32px;padding:clamp(32px,5.5vw,80px);grid-template-columns:1fr 1fr;gap:clamp(40px,5.5vw,80px)}
.band h2{font-size:clamp(32px,3.6vw,46px);line-height:1.1}
.sage{background:var(--sage)}
.sage .eyebrow{color:var(--accent-dark)}
.sage p{color:var(--sage-ink)}
.checks{display:flex;flex-direction:column;gap:28px}
.check{display:flex;gap:18px}.check svg{flex-shrink:0;margin-top:3px}
.check b{display:block;font-size:20px;margin-bottom:4px}

/* quote-ish statement */
.statement{font-family:var(--serif);font-size:clamp(30px,3.4vw,44px);line-height:1.2;letter-spacing:-.015em;max-width:1000px}

/* faq */
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line);padding:24px 0}
.faq summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:24px;font-size:20px;font-weight:600}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--serif);font-size:28px;line-height:1;color:var(--accent)}
.faq details[open] summary::after{content:"–"}
.faq details p{padding-top:14px;color:var(--muted);max-width:820px}

/* cta band */
.cta{background:var(--accent);color:#fff;border-radius:32px;padding:clamp(32px,5.5vw,80px);display:flex;justify-content:space-between;align-items:center;gap:40px;flex-wrap:wrap}
.cta h2{font-size:clamp(32px,3.8vw,48px);line-height:1.08;max-width:720px}
.cta p{color:#E4F0EC;margin-top:12px;font-size:18px}

/* contact */
.contact{background:var(--accent);color:#fff}
.contact h2{font-size:clamp(34px,4.2vw,52px);line-height:1.06}
.contact .stack p{color:#E4F0EC;font-size:18px}
form{display:flex;flex-direction:column;gap:16px}
.two{display:grid;grid-template-columns:1fr 1fr;gap:16px}
label{display:flex;flex-direction:column;gap:8px;font-size:15px;font-weight:600}
input,select,textarea{min-height:52px;padding:0 16px;border:0;border-radius:12px;font-size:16px;font-family:inherit;color:var(--ink);background:#fff}
textarea{padding:14px 16px;min-height:120px;resize:vertical}
input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid var(--ink);outline-offset:2px}
.btn-dark{background:var(--ink);color:#fff;margin-top:8px;min-height:56px;border:0}.btn-dark:hover{background:#000;color:#fff}
.hp{position:absolute;left:-9999px}

/* footer */
footer{border-top:1px solid var(--line);margin-top:112px}
.foot{padding-top:64px;padding-bottom:48px;display:grid;grid-template-columns:1.4fr repeat(3,minmax(0,1fr));gap:40px;font-size:15px;color:var(--soft)}
.foot .brandname{font-family:var(--serif);font-size:24px;font-weight:600;color:var(--ink);display:block;margin-bottom:10px}
.foot h4{margin:0 0 12px;font-size:15px;color:var(--ink)}
.foot ul{list-style:none;padding:0;display:flex;flex-direction:column;gap:8px}
.foot a{color:var(--soft);text-decoration:none}.foot a:hover{color:var(--accent)}
.legal{padding-top:20px;padding-bottom:40px;border-top:1px solid var(--line2);font-size:14px;color:var(--soft);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}

/* responsive */
@media (max-width:1100px){
  .cards4,.cards5,.steps,.steps.five{grid-template-columns:repeat(2,minmax(0,1fr))}
  .foot{grid-template-columns:1fr 1fr}
}
@media (max-width:900px){
  .links{display:none;position:absolute;top:76px;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;background:var(--ground);border-bottom:1px solid var(--line);padding:8px var(--pad) 20px}
  .links a{padding:14px 0;border-bottom:1px solid var(--line2)}
  .links .btn{margin-top:12px}
  .links.open{display:flex}
  .menu-btn{display:inline-flex;align-items:center;justify-content:center}
  .hero,.split,.band,.program,.aud,.phero .inner{grid-template-columns:1fr;gap:40px}
  .sticky{position:static}
  .cards3,.cards2{grid-template-columns:1fr}
}
@media (max-width:600px){
  .cards4,.cards5,.steps,.steps.five,.two,.facts,.foot{grid-template-columns:1fr}
  .row{flex-direction:column;align-items:flex-start;gap:4px}
  .sec{padding-top:72px;padding-bottom:72px}.sec-top{padding-top:72px}
  .program,.aud{padding-top:64px;padding-bottom:64px}
  .band,.cta{border-radius:24px}
  .card,.prog,.point{padding:28px}
  footer{margin-top:72px}
}

/* dropdown */
.dd{position:relative}
.dd-btn{display:inline-flex;align-items:center;gap:6px;background:none;border:0;border-bottom:2px solid transparent;padding:4px 0;font:inherit;font-size:16px;color:var(--ink);cursor:pointer}
.dd-btn:hover,.dd-btn.is-current{color:var(--accent)}
.dd-btn.is-current{border-bottom-color:var(--accent)}
.dd-btn svg{transition:transform .15s}
.dd.open .dd-btn svg{transform:rotate(180deg)}
.dd-menu{display:none;position:absolute;top:calc(100% + 14px);left:-20px;min-width:300px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:8px;box-shadow:0 12px 32px rgba(20,32,28,.12);z-index:20}
.dd:hover .dd-menu,.dd:focus-within .dd-menu,.dd.open .dd-menu{display:flex;flex-direction:column}
.dd-menu::before{content:"";position:absolute;top:-16px;left:0;right:0;height:16px}
.links .dd-menu a{display:flex;flex-direction:column;gap:2px;padding:12px 14px;border-radius:10px;border-bottom:0}
.links .dd-menu a:hover{background:var(--sage);color:var(--ink)}
.dd-menu b{font-size:16px}
.dd-menu span{font-size:14px;color:var(--soft)}
.links .dd-menu a[aria-current="page"]{background:var(--sage);color:var(--ink)}

/* challenge pairs */
.pairs{display:flex;flex-direction:column}
.pair{display:grid;grid-template-columns:1fr 1fr;gap:48px;padding:28px 0;border-top:1px solid rgba(20,32,28,.14)}
.pair:first-child{border-top:0;padding-top:0}
.pair p{font-size:18px}
.lbl{display:block;font-size:14px;font-weight:600;color:var(--soft);margin-bottom:6px}
.lbl.acc{color:var(--accent-dark)}

@media (max-width:900px){
  .dd-btn{width:100%;justify-content:space-between;padding:14px 0;border-bottom:1px solid var(--line2)}
  .dd-menu{position:static;display:flex;flex-direction:column;box-shadow:none;border:0;background:none;padding:0 0 8px 12px;min-width:0}
  .dd-menu::before{display:none}
  .links .dd-menu a{padding:10px 0;border-radius:0}
  .dd-btn svg{display:none}
  .pair{grid-template-columns:1fr;gap:12px}
}