
:root{--ink:#111827;--muted:#5b6472;--line:#d8e3dd;--green:#0b6b3a;--green2:#12804a;--mint:#eaf7ef;--lime:#b7e4c7;--gold:#d49f2a;--teal:#0f766e;--cream:#fbfaf4;--white:#fff;--coal:#17201a}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,Arial,Helvetica,sans-serif;color:var(--ink);background:var(--cream);line-height:1.6}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.container{width:min(1180px,92%);margin:auto}.topbar{background:#0b2e1f;color:#eaf7ef;font-size:.85rem;padding:.45rem 0}.topbar .container{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap}.nav{position:sticky;top:0;z-index:5;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(8px)}.nav-inner{height:76px;display:flex;align-items:center;justify-content:space-between;gap:1rem}.brand{display:flex;align-items:center;gap:.75rem;font-weight:800;letter-spacing:-.03em}.brand img{width:42px;height:42px}.brand span{font-size:1.15rem}.menu{display:flex;align-items:center;gap:1.4rem;font-weight:700;font-size:.95rem}.menu a{padding:.5rem .1rem;border-bottom:2px solid transparent}.menu a:hover,.menu a.active{border-color:var(--green);color:var(--green)}
.menu-toggle{display:none;border:1px solid var(--line);background:#fff;color:var(--green);border-radius:14px;padding:.62rem .72rem;font-weight:900;align-items:center;gap:.5rem;cursor:pointer}
.menu-toggle .bars{display:grid;gap:4px}
.menu-toggle .bars span{display:block;width:22px;height:2px;background:var(--green);border-radius:99px}
.btn{display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--green);background:var(--green);color:#fff;padding:.75rem 1rem;border-radius:999px;font-weight:800;transition:.2s}.btn:hover{transform:translateY(-1px);background:#084f2c}.btn.secondary{background:#fff;color:var(--green)}.btn.secondary:hover{background:var(--mint)}.hero{background:linear-gradient(110deg,rgba(5,37,23,.94),rgba(9,92,53,.78)),url('../img/hero-energy.svg') center/cover; color:#fff}.hero-grid{display:grid;grid-template-columns:1.14fr .86fr;gap:3rem;align-items:center;min-height:620px;padding:5rem 0}.eyebrow{display:inline-flex;gap:.5rem;align-items:center;color:#c9f7d7;text-transform:uppercase;font-size:.8rem;letter-spacing:.12em;font-weight:900}.eyebrow:before{content:"";width:32px;height:2px;background:var(--gold)}h1{font-size:clamp(2.4rem,6vw,5.6rem);line-height:.95;letter-spacing:-.07em;margin:.8rem 0 1.2rem}h2{font-size:clamp(1.8rem,4vw,3.1rem);line-height:1.05;letter-spacing:-.05em;margin:0 0 1rem}h3{font-size:1.35rem;line-height:1.2;margin:.2rem 0 .55rem}.lede{font-size:1.18rem;color:#e6f6ec;max-width:720px}.hero-card{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);border-radius:28px;padding:1.3rem;box-shadow:0 20px 60px rgba(0,0,0,.25)}.hero-card img{border-radius:20px}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin-top:-42px;position:relative;z-index:2}.stat{background:#fff;padding:1.6rem}.stat strong{display:block;color:var(--green);font-size:2rem;line-height:1}.stat span{font-weight:700;color:var(--muted);font-size:.9rem}.section{padding:5rem 0}.section.alt{background:#fff}.split{display:grid;grid-template-columns:.9fr 1.1fr;gap:3rem;align-items:start}.muted{color:var(--muted)}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem}.card{background:#fff;border:1px solid var(--line);border-radius:24px;overflow:hidden;box-shadow:0 10px 30px rgba(15,35,25,.07);transition:.2s}.card:hover{transform:translateY(-3px);box-shadow:0 18px 45px rgba(15,35,25,.12)}.card-body{padding:1.35rem}.tag{display:inline-block;background:var(--mint);color:var(--green);font-weight:900;border-radius:999px;padding:.28rem .65rem;font-size:.76rem;margin-bottom:.8rem}.card img{height:190px;width:100%;object-fit:cover;background:var(--mint)}.feature{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem}.feature-box{border-radius:28px;padding:2rem;background:linear-gradient(145deg,#f1fbf4,#fff);border:1px solid var(--line)}.feature-box.dark{background:linear-gradient(145deg,#0b2e1f,#0f5b38);color:#fff}.article-hero{padding:4rem 0;background:linear-gradient(135deg,#0b2e1f,#157347);color:#fff}.article-layout{display:grid;grid-template-columns:minmax(0,760px) 300px;gap:3rem;align-items:start}.article{background:#fff;border:1px solid var(--line);border-radius:24px;padding:2.2rem}.article p{font-size:1.05rem}.sidebar{position:sticky;top:96px;background:#fff;border:1px solid var(--line);border-radius:24px;padding:1.25rem}.list{display:grid;gap:.8rem}.list a{padding:.9rem;border:1px solid var(--line);border-radius:16px;background:#fff}.list a:hover{border-color:var(--green);color:var(--green)}.cta{background:linear-gradient(120deg,#0b2e1f,#12804a 65%,#b7e4c7);color:#fff;border-radius:34px;padding:3rem;display:grid;grid-template-columns:1fr auto;gap:1.5rem;align-items:center}.footer{background:#0b1510;color:#eaf7ef;padding:3.5rem 0 1.5rem}.footer-grid{display:grid;grid-template-columns:1.2fr repeat(3,1fr);gap:2rem}.footer a{color:#d7f5df;display:block;margin:.4rem 0}.small{font-size:.9rem;color:#c2d8ca}.page-title{padding:4.2rem 0;background:linear-gradient(120deg,#f2fbf5,#fff)}.two{display:grid;grid-template-columns:repeat(2,1fr);gap:1.2rem}.form{display:grid;gap:.8rem}.form input,.form textarea{width:100%;padding:.9rem 1rem;border:1px solid var(--line);border-radius:14px;font:inherit}.notice{background:#fff8df;border:1px solid #f0d77b;border-radius:18px;padding:1rem;color:#4d3a05}@media (max-width:900px){.nav-inner{height:auto;min-height:72px;padding:1rem 0;align-items:center;position:relative}.menu-toggle{display:inline-flex}.menu{display:none;position:absolute;left:0;right:0;top:100%;background:#fff;border:1px solid var(--line);border-radius:0 0 24px 24px;box-shadow:0 18px 45px rgba(15,35,25,.12);padding:1rem;width:100%;z-index:10}.menu.is-open{display:grid;grid-template-columns:1fr;gap:.2rem}.menu a{display:block;padding:.9rem 1rem;border-bottom:0;border-radius:14px}.menu a:hover,.menu a.active{background:var(--mint);border-color:transparent}.menu .btn{width:100%;margin-top:.4rem}.hero-grid,.split,.feature,.article-layout,.footer-grid,.cta{grid-template-columns:1fr}.hero-grid{min-height:auto;padding:3.5rem 0}.stats,.cards,.two{grid-template-columns:1fr}.article{padding:1.3rem}.sidebar{position:static}h1{font-size:3.1rem}.cta{padding:2rem}.card img{height:160px}}@media (max-width:520px){.brand span{font-size:1rem}.menu{font-size:.86rem}.btn{width:100%;}.hero-card{display:none}.section{padding:3rem 0}.topbar .container{display:block}.stat{padding:1.2rem}}
