:root{
  --blue:#3266ff;
  --blue-deep:#073875;
  --blue-ink:#12335f;
  --blue-pale:#edf3ff;
  --green:#66f172;
  --green-deep:#47a958;
  --green-pale:#effff1;
  --grey:#575757;
  --ink:#232a36;
  --muted:#687182;
  --line:#dfe5ef;
  --white:#fff;
  --radius:22px;
  --shadow:0 20px 60px rgba(22,53,119,.12);
  --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);font-family:"Roboto",Arial,sans-serif;font-weight:300;line-height:1.65;background:#fff}
img{display:block;max-width:100%}
a{color:inherit}
button,input,textarea,select{font:inherit}
.container{width:min(var(--max),calc(100% - 40px));margin-inline:auto}
.section-pad{padding:96px 0}
.split{display:grid;grid-template-columns:1.15fr .85fr;gap:72px;align-items:center}
.narrow{max-width:760px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip-link{position:fixed;left:16px;top:-70px;z-index:999;background:#fff;color:var(--blue);padding:12px 16px;border-radius:8px;font-weight:600}
.skip-link:focus{top:16px}

h1,h2,h3,.eyebrow,.button,.card-number,.impact-number{font-family:"Work Sans",Arial,sans-serif}
h1,h2,h3{margin:0 0 20px;line-height:1.08;letter-spacing:-.035em}
h1{font-size:clamp(2.65rem,6vw,5.4rem);max-width:930px;color:#fff}
h2{font-size:clamp(2.15rem,4vw,3.7rem);color:var(--blue-ink)}
h3{font-size:1.34rem;color:var(--blue-ink)}
p{margin:0 0 20px}
.lead{font-size:1.2rem;line-height:1.65;color:#3c4656}
.eyebrow{margin-bottom:14px;color:var(--blue);font-size:.78rem;font-weight:800;letter-spacing:.16em;text-transform:uppercase}
.eyebrow-light{color:var(--green)}
.small-note,.field-help{font-size:.9rem;color:var(--muted)}

.site-header{position:sticky;top:0;z-index:90;background:rgba(255,255,255,.96);border-bottom:1px solid rgba(22,44,89,.08);backdrop-filter:blur(10px)}
.nav-wrap{height:92px;display:flex;align-items:center;justify-content:space-between;gap:28px}
.brand img{width:116px;height:auto}
.primary-nav{display:flex;align-items:center;gap:27px;font-family:"Work Sans",Arial,sans-serif;font-size:.92rem;font-weight:600}
.primary-nav a{text-decoration:none;color:#333b49}
.primary-nav a:hover,.primary-nav a:focus{color:var(--blue)}
.nav-toggle{display:none;background:none;border:0;padding:8px}
.nav-toggle span:not(.sr-only){display:block;width:26px;height:2px;background:var(--blue);margin:5px 0}

.hero{position:relative;min-height:760px;display:flex;align-items:center;overflow:hidden;background:var(--blue-ink)}
.hero-image,.hero-shade{position:absolute;inset:0;width:100%;height:100%}
.hero-image{object-fit:cover;object-position:center 48%}
.hero-shade{background:linear-gradient(90deg,rgba(11,30,78,.92) 0%,rgba(23,54,133,.78) 48%,rgba(26,53,103,.22) 100%)}
.hero-content{position:relative;z-index:2;padding:120px 0 150px}
.hero-copy{max-width:760px;color:rgba(255,255,255,.92);font-size:1.25rem;line-height:1.55}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:32px}
.hero-wave{position:absolute;left:-5%;right:-5%;bottom:-74px;height:145px;background:#fff;border-radius:50% 50% 0 0/52% 52% 0 0;z-index:3}

.intro{padding-top:120px}
.impact-panel{background:var(--blue);color:#fff;padding:46px;border-radius:var(--radius);box-shadow:var(--shadow);position:relative;overflow:hidden}
.impact-panel:after{content:"";position:absolute;width:180px;height:180px;border-radius:50%;right:-60px;bottom:-60px;background:var(--green);opacity:.24}
.impact-panel strong{display:block;font-family:"Work Sans";font-size:1.2rem;margin-bottom:16px}
.impact-number{display:block;font-size:4rem;line-height:1;font-weight:800;color:var(--green);margin-bottom:12px}
.impact-panel p{margin:0;color:rgba(255,255,255,.9)}

.blue-tint{background:var(--blue-pale)}
.green-tint{background:var(--green-pale)}
.section-heading{margin-bottom:44px}
.card-grid{display:grid;gap:22px}
.four-cards{grid-template-columns:repeat(4,1fr)}
.three-cards{grid-template-columns:repeat(3,1fr)}
.icon-card,.detail-card{background:#fff;border-radius:18px;padding:30px;border:1px solid rgba(50,102,255,.12);box-shadow:0 14px 35px rgba(31,70,144,.07)}
.icon-card p,.detail-card p{margin:0;color:#596273}
.card-number{display:inline-grid;place-items:center;width:46px;height:46px;border-radius:50%;background:var(--green);color:#17331b;font-weight:800;margin-bottom:34px}

.photo-story-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:76px;align-items:center}
.photo-stack{position:relative;min-height:630px}
.photo-stack figure{margin:0;overflow:hidden;border-radius:var(--radius);box-shadow:var(--shadow)}
.photo-stack img{width:100%;height:100%;object-fit:cover}
.photo-large{position:absolute;left:0;top:0;width:78%;height:520px}
.photo-small{position:absolute;right:0;bottom:0;width:53%;height:310px;border:10px solid #fff}
.tick-list{list-style:none;padding:0;margin:28px 0}
.tick-list li{position:relative;padding:9px 0 9px 35px;color:#3e4858}
.tick-list li:before{content:"✓";position:absolute;left:0;top:7px;width:23px;height:23px;display:grid;place-items:center;border-radius:50%;background:var(--green);font-weight:700;color:#17331b}

.dark-section{background:var(--blue-ink);color:#fff}
.light-heading h2{color:#fff}
.light-heading p:last-child{color:#dbe3f7}
.timeline{list-style:none;margin:52px 0 0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:34px 28px;counter-reset:steps}
.timeline li{position:relative;padding-top:4px}
.step-dot{width:48px;height:48px;border-radius:50%;display:grid;place-items:center;background:var(--green);color:#18351d;font-family:"Work Sans";font-weight:800;margin-bottom:22px;box-shadow:0 0 0 9px rgba(102,241,114,.1)}
.timeline h3{color:#fff;margin-bottom:10px}
.timeline p{color:#cdd7ee;margin:0;font-size:.96rem}

.sustainability-grid{grid-template-columns:1.05fr .95fr}
.rounded-photo{margin:0;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);height:620px}
.rounded-photo img{width:100%;height:100%;object-fit:cover;object-position:center 40%}
.year-path{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;margin:34px 0 22px}
.year-path div{background:var(--blue-pale);border-radius:12px;padding:15px 9px;text-align:center;border-top:4px solid var(--blue)}
.year-path strong,.year-path span{display:block}
.year-path strong{font-family:"Work Sans";font-size:.82rem;color:var(--blue)}
.year-path span{font-size:.78rem;color:#48556b}

.checker-shell{display:grid;grid-template-columns:.72fr 1.28fr;gap:66px;align-items:start}
.checker-intro{position:sticky;top:132px}
.checker{background:#fff;border-radius:var(--radius);padding:38px;box-shadow:var(--shadow)}
.checker fieldset{border:0;border-bottom:1px solid var(--line);padding:0 0 25px;margin:0 0 25px}
.checker legend{font-family:"Work Sans";font-weight:600;line-height:1.4;margin-bottom:14px;color:#27344b}
.checker label{display:inline-flex;gap:8px;align-items:center;margin:3px 20px 5px 0;cursor:pointer}
.checker input[type=radio]{accent-color:var(--blue);width:18px;height:18px}
.checker-actions{padding-top:5px}
.checker-result{margin-top:24px;padding:24px;border-radius:14px;background:var(--blue-pale);border-left:5px solid var(--blue)}
.checker-result.success{background:var(--green-pale);border-left-color:var(--green-deep)}
.checker-result h3{margin-bottom:9px}
.checker-result p{margin-bottom:14px}

.register-grid{display:grid;grid-template-columns:.72fr 1.28fr;gap:66px;align-items:start}
.register-copy{position:sticky;top:132px}
.info-box{margin-top:30px;padding:24px;border-radius:16px;background:var(--blue-pale);border-left:5px solid var(--blue)}
.info-box strong{font-family:"Work Sans";color:var(--blue-ink)}
.info-box p{margin:6px 0 0}
.interest-form{padding:38px;border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 18px 50px rgba(28,54,108,.08)}
.interest-form>label,.form-row label{display:block;font-family:"Work Sans";font-weight:600;color:#28354b;margin-bottom:22px}
.form-row{display:grid;gap:18px}
.two-col{grid-template-columns:1fr 1fr}
input[type=text],input[type=email],input[type=number],textarea,select{width:100%;margin-top:8px;border:1px solid #cbd4e2;border-radius:10px;padding:13px 14px;background:#fff;color:#1f2734;font-family:"Roboto";font-weight:400;outline:none}
textarea{resize:vertical}
input:focus,textarea:focus,select:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(50,102,255,.12)}
.field-help{display:block;font-family:"Roboto";font-weight:300;margin-top:4px}
.support-options{border:0;margin:6px 0 24px;padding:0}
.support-options legend{font-family:"Work Sans";font-weight:600;margin-bottom:12px}
.support-options label{display:inline-flex;align-items:center;gap:7px;margin:0 18px 10px 0}
.support-options input,.declaration input{accent-color:var(--blue)}
.declaration{display:flex!important;gap:10px;align-items:flex-start;font-family:"Roboto"!important;font-weight:300!important;font-size:.92rem}
.declaration input{margin-top:5px}
.prototype-message{margin:18px 0 0;padding:14px;border-radius:10px;background:var(--green-pale);color:#31533a}

.detail-card{border-top:5px solid var(--blue)}
.detail-card:nth-child(2){border-top-color:var(--green-deep)}
.detail-card:nth-child(3){border-top-color:var(--green)}

.faq-grid{display:grid;grid-template-columns:.65fr 1.35fr;gap:80px;align-items:start}
.faq-list details{border-top:1px solid var(--line);padding:22px 0}
.faq-list details:last-child{border-bottom:1px solid var(--line)}
.faq-list summary{font-family:"Work Sans";font-size:1.08rem;font-weight:600;color:var(--blue-ink);cursor:pointer;list-style:none;padding-right:32px;position:relative}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary:after{content:"+";position:absolute;right:0;top:-2px;color:var(--blue);font-size:1.5rem}
.faq-list details[open] summary:after{content:"−"}
.faq-list details p{padding:13px 35px 0 0;margin:0;color:#596273}

.final-banner{background:var(--blue);color:#fff;padding:70px 0;position:relative;overflow:hidden}
.final-banner:after{content:"";position:absolute;right:-80px;top:-160px;width:420px;height:420px;border-radius:50%;border:70px solid rgba(102,241,114,.14)}
.final-banner-inner{position:relative;z-index:2;display:flex;justify-content:space-between;align-items:center;gap:50px}
.final-banner h2{color:#fff;max-width:790px;margin:0}

.site-footer{background:#0f1e42;color:#dce5fa;padding:70px 0 25px}
.footer-grid{display:grid;grid-template-columns:1.4fr .7fr .7fr;gap:70px;padding-bottom:45px}
.footer-brand img{width:145px;margin-bottom:24px}
.footer-brand p{max-width:400px;color:#bfcbe6}
.site-footer h2{font-size:1rem;color:#fff;letter-spacing:0;margin-bottom:20px}
.site-footer a{display:block;text-decoration:none;color:#c4cee5;margin:8px 0}
.site-footer a:hover{color:var(--green)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.13);padding-top:22px;font-size:.85rem;color:#9eacc9}
.footer-bottom p{margin:0}

@media (max-width:1050px){
  .primary-nav{gap:16px;font-size:.86rem}
  .four-cards{grid-template-columns:repeat(2,1fr)}
  .timeline{grid-template-columns:repeat(2,1fr)}
  .photo-story-grid,.checker-shell,.register-grid{grid-template-columns:1fr;gap:48px}
  .checker-intro,.register-copy{position:static}
}
@media (max-width:820px){
  .section-pad{padding:72px 0}
  .nav-wrap{height:76px}
  .brand img{width:94px}
  .nav-toggle{display:block}
  .primary-nav{display:none;position:absolute;top:76px;left:0;right:0;background:#fff;padding:20px;flex-direction:column;align-items:stretch;border-top:1px solid var(--line);box-shadow:0 20px 40px rgba(20,42,88,.12)}
  .primary-nav.open{display:flex}
  .primary-nav .nav-cta{text-align:center}
  .hero{min-height:670px}
  .hero-content{padding:100px 0 130px}
  .hero-shade{background:linear-gradient(90deg,rgba(11,30,78,.9),rgba(23,54,133,.68))}
  .split,.sustainability-grid,.faq-grid{grid-template-columns:1fr;gap:45px}
  .photo-stack{min-height:520px}
  .photo-large{height:430px}
  .photo-small{height:230px}
  .rounded-photo{height:520px}
  .three-cards{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-brand{grid-column:1/-1}
  .final-banner-inner{align-items:flex-start;flex-direction:column}
}
@media (max-width:600px){
  .container{width:min(var(--max),calc(100% - 28px))}
  h1{font-size:2.65rem}
  h2{font-size:2.15rem}
  .hero{min-height:680px}
  .hero-image{object-position:56% center}
  .hero-copy{font-size:1.08rem}
  .hero-actions .button{width:100%}
  .four-cards,.timeline,.year-path,.two-col{grid-template-columns:1fr}
  .photo-stack{min-height:auto;display:grid;gap:14px}
  .photo-large,.photo-small{position:static;width:100%;height:300px;border:0}
  .photo-small{height:220px}
  .checker,.interest-form{padding:24px 19px}
  .checker label{display:flex;margin-right:0}
  .rounded-photo{height:430px}
  .footer-grid{grid-template-columns:1fr;gap:34px}
  .footer-brand{grid-column:auto}
}