.home-hero{background:radial-gradient(circle at 80% 30%,#1b6077 0,#103d59 35%,#092b49 75%);color:#e3f0f5;overflow:hidden}
.hero-grid{min-height:620px;display:grid;grid-template-columns:1fr .82fr;align-items:center;gap:3rem;padding-block:5rem}
.hero-copy{position:relative;z-index:1}
.home-hero h1{color:#fff;max-width:770px;margin-bottom:1.35rem}
.hero-lede{font-size:1.17rem;max-width:590px;line-height:1.65;color:#d4e6ec}
.hero-note{font-size:.83rem;letter-spacing:.02em;margin:1.4rem 0 0;color:#a9ccd8}
.hero-art{height:450px;position:relative;display:grid;place-items:center}
.hero-orbit{width:390px;height:390px;border:1px solid #d7f5fb60;border-radius:50%;box-shadow:0 0 0 36px #ffffff07,0 0 0 73px #ffffff06;transform:rotate(-30deg)}
.hero-orbit:before,.hero-orbit:after{content:"";position:absolute;width:10px;height:10px;border-radius:50%;background:#f4b544;top:12%;left:17%}
.hero-orbit:after{top:70%;left:auto;right:5%;background:#a9e0e7}
.hero-disc{position:absolute;width:270px;height:270px;background:#edaf3c;border-radius:50%;display:grid;place-items:center;color:#103758;box-shadow:0 0 90px #f4b54445}
.hero-disc span{font-size:2rem;line-height:1.04;font-weight:900;letter-spacing:-.05em;text-align:center}
.hero-line{position:absolute;width:170px;height:1px;background:#d4e6ec80;transform:rotate(-24deg)}
.line-one{left:-2%;top:27%}.line-two{right:-9%;bottom:23%}
.art-caption{position:absolute;right:-1rem;bottom:-1.2rem;font-size:.75rem;letter-spacing:.2em;color:#a9ccd8}
.solutions{background:#f5f9fb}
.solution-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.2rem}
.solution-card{min-height:360px;position:relative;overflow:hidden;padding:2rem;border:1px solid #cfdee5;border-radius:.65rem;background:#fff;display:flex;flex-direction:column;align-items:flex-start}
.solution-index{font-weight:800;letter-spacing:.12em;font-size:.73rem;color:#477088}
.solution-mark{position:absolute;right:1.5rem;top:1rem;font-size:8rem;line-height:1;color:#ecb54740}
.air-mark{color:#77bac250}
.solution-card h3{margin:auto 0 .6rem;font-size:2rem}
.solution-card p{max-width:440px;color:var(--muted)}
.text-link{font-weight:800;text-decoration:none;color:#006d85}
.text-link:hover{text-decoration:underline}
.split-grid{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:clamp(2rem,7vw,7rem)}
.split-grid p:not(.eyebrow){font-size:1.08rem;color:var(--muted);max-width:550px}
.split-grid .button{margin-top:1rem}
.diagram-panel,.air-visual{min-height:415px;position:relative;overflow:hidden;border-radius:.7rem;background:#e8f1f2}
.diagram-sun{position:absolute;font-size:11rem;right:4%;top:-15%;color:#edaf3c}
.diagram-ray{position:absolute;width:75%;height:1px;background:#89b0bd;top:40%;left:13%;transform:rotate(-25deg)}
.diagram-roof{position:absolute;left:15%;bottom:25%;width:70%;height:24%;border-top:20px solid #105676;transform:skewY(-10deg);background:repeating-linear-gradient(90deg,#387f92 0 12%,#d4e9ea 12% 13%)}
.diagram-label,.air-visual-label{position:absolute;bottom:1.5rem;left:1.5rem;font-size:.76rem;font-weight:800;letter-spacing:.13em}
.air-feature{background:#f5f9fb}
.air-visual{background:linear-gradient(145deg,#0e4263,#168392);color:#dcf2f2}
.air-wave{position:absolute;border:1px solid #b9eaf088;border-radius:50%;width:55%;aspect-ratio:1;left:13%;top:18%;box-shadow:0 0 0 30px #ffffff0b,0 0 0 60px #ffffff0b}
.wave-b{left:27%;top:25%;width:55%}.wave-c{left:40%;top:32%;width:55%}
.process{background:#fff}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem}
.steps>div{border-top:2px solid #a8c6cf;padding:1.2rem 1rem 0 0}
.steps strong{display:block;font-size:.85rem;color:#007991;margin-bottom:1.5rem}
.steps h3{font-size:1.35rem;margin-bottom:.55rem}
.steps p{color:var(--muted)}
.contact-band{background:#103758;color:#d5e8ef;padding:4rem 0}
.contact-grid{display:flex;justify-content:space-between;gap:2rem;align-items:center}
.contact-grid h2{color:#fff;margin-bottom:.6rem}
.contact-grid p:last-child{margin:0}
@media(max-width:900px){.hero-grid{grid-template-columns:1fr;gap:0;padding-block:4rem}.hero-art{height:300px;margin-top:1.5rem}.hero-orbit{width:265px;height:265px}.hero-disc{width:190px;height:190px}.hero-disc span{font-size:1.45rem}.art-caption{right:0;bottom:0}}
@media(max-width:700px){.hero-grid{min-height:auto;padding-block:4rem 2rem}.home-hero h1{font-size:clamp(2.9rem,13vw,4.2rem)}.hero-lede{font-size:1.05rem}.solution-grid,.split-grid,.steps{grid-template-columns:1fr}.solution-card{min-height:300px}.diagram-panel,.air-visual{min-height:300px}.air-feature .air-visual{order:2}.contact-grid{align-items:flex-start;flex-direction:column}.contact-grid .button{width:100%}}