.green-hydrogen-page .main-nav .nav-group:first-of-type>summary{color:#79d4f1}
.hydrogen-hero{position:relative;isolation:isolate;min-height:485px;display:flex;align-items:center;overflow:hidden;background:linear-gradient(110deg,#53617a 0%,#8998b3 53%,#b5cefb 100%)}
.hydrogen-hero::before{content:"";position:absolute;inset:0;z-index:-1;background:radial-gradient(circle at 82% 18%,rgba(255,255,255,.24),transparent 37%),linear-gradient(90deg,rgba(9,23,47,.45),rgba(9,23,47,.03))}
.hydrogen-hero::after{content:"";position:absolute;right:-150px;bottom:-430px;width:670px;height:670px;border:1px solid rgba(255,255,255,.19);border-radius:50%;box-shadow:0 0 0 95px rgba(255,255,255,.035),0 0 0 190px rgba(255,255,255,.025);pointer-events:none}
.hydrogen-hero-inner{padding:150px 0 88px}
.hydrogen-hero .eyebrow{color:#edf7ff;border-color:rgba(255,255,255,.48);background:rgba(9,32,64,.09)}
.hydrogen-hero h1{margin:23px 0 15px;color:#fff;font-size:clamp(44px,5.2vw,72px);line-height:1.08;letter-spacing:-.055em;font-weight:350}
.hydrogen-hero h1 strong{font-weight:800}
.hydrogen-hero p{max-width:570px;margin:0 0 25px;color:#edf5ff;font-size:16px;line-height:1.65}

.hydrogen-intro{padding:104px 0 215px;background:#fff}
.hydrogen-content{max-width:1240px}
.hydrogen-intro h2{max-width:980px;margin:20px 0 0;color:#253654;font-size:clamp(28px,3.2vw,45px);font-weight:350;line-height:1.28;letter-spacing:-.04em}
.hydrogen-intro h2 strong{font-weight:800;color:#172744}
.hydrogen-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:25px;max-width:1030px;margin:112px auto 0}
.hydrogen-card{display:flex;flex-direction:column;align-items:center;min-height:320px;padding:34px 40px 36px;border:1px solid #e6edf3;border-radius:18px;background:#fff;text-align:center;box-shadow:0 10px 28px rgba(17,41,72,.065);transition:transform .25s,box-shadow .25s,border-color .25s}
.hydrogen-card:hover{transform:translateY(-5px);box-shadow:0 20px 42px rgba(17,41,72,.11);border-color:#cbdfea}
.hydrogen-card-icon{width:68px;height:68px;display:grid;place-items:center;flex:none;margin-bottom:18px;border-radius:50%}
.hydrogen-card-icon .icon{width:32px;height:32px;stroke-width:1.65}
.hydrogen-card-icon.green{background:#e8f7f0;color:#298667}
.hydrogen-card-icon.blue{background:#e5f2ff;color:#267dca}
.hydrogen-card h3{max-width:350px;margin:0 0 12px;color:#203453;font-size:20px;font-weight:750;line-height:1.3;text-transform:uppercase}
.hydrogen-card>p{max-width:365px;margin:0;color:#778697;font-size:14px;line-height:1.65}
.hydrogen-card-link{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:37px;margin-top:auto;padding:7px 13px;border:1px solid #83badb;border-radius:7px;color:#1c75b4;background:#fff;font-size:12px;font-weight:750;transition:background .2s,color .2s,border-color .2s}
.hydrogen-card-link:hover{background:#e8f4fc;border-color:#3d9dd5}
.hydrogen-card:first-child .hydrogen-card-link{border-color:#8ec5aa;color:#278665}
.hydrogen-card:first-child .hydrogen-card-link:hover{background:#e8f7f0}
.hydrogen-card-link .icon{width:13px;height:13px}

@media(max-width:760px){
  .hydrogen-hero{min-height:420px}.hydrogen-hero-inner{padding:135px 0 70px}.hydrogen-hero h1{font-size:clamp(40px,9vw,56px)}.hydrogen-hero p{font-size:14px}
  .hydrogen-intro{padding:76px 0 145px}.hydrogen-intro h2{font-size:clamp(27px,5.5vw,38px)}.hydrogen-cards{gap:16px;margin-top:65px}.hydrogen-card{padding:28px 22px 30px}.hydrogen-card h3{font-size:17px}.hydrogen-card>p{font-size:13px}
}
@media(max-width:600px){
  .hydrogen-cards{grid-template-columns:1fr;max-width:460px}.hydrogen-card{min-height:290px}
}
@media(max-width:480px){
  .hydrogen-hero h1{font-size:40px}.hydrogen-hero p{font-size:13px}.hydrogen-intro h2{font-size:29px}.hydrogen-cards{margin-top:54px}.hydrogen-intro{padding-bottom:120px}
}