:root{
  --ink:#101513; --ink-2:#1b2320; --paper:#f6f7f4; --white:#fff;
  --muted:#66706b; --line:#dce2dc; --green:#789b43; --green-dark:#4e6e28;
  --accent:#b9d957; --max:1280px; --radius:22px; --shadow:0 20px 60px rgba(16,21,19,.10)
}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:88px}
body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;line-height:1.55}
a{color:inherit;text-decoration:none}img{max-width:100%;display:block}
button,input,textarea,select{font:inherit}.container{width:min(92%,var(--max));margin:auto}
.skip{position:fixed;left:16px;top:10px;transform:translateY(-150%);z-index:999;background:var(--accent);padding:10px 16px;border-radius:999px;font-weight:800}.skip:focus{transform:none}
.header{position:fixed;z-index:100;top:0;left:0;right:0;background:rgba(246,247,244,.90);backdrop-filter:blur(16px);border-bottom:1px solid rgba(16,21,19,.08)}
.nav{min-height:78px;display:flex;align-items:center;gap:30px}
.brand{display:flex;align-items:center;gap:12px;font-weight:900;letter-spacing:-.04em;white-space:nowrap}.brand img{width:52px;height:52px;object-fit:contain;border-radius:8px}.brand span{color:var(--green-dark)}
.navlinks{display:flex;align-items:center;gap:25px;margin-left:auto;font-size:.78rem;font-weight:800;color:#46504b}.navlinks a:hover,.navlinks a[aria-current=page]{color:var(--green-dark)}
.cta{background:var(--ink);color:#fff;padding:12px 17px;border-radius:999px;font-size:.76rem;font-weight:900}
.menu{display:none;margin-left:auto;border:1px solid var(--line);background:#fff;border-radius:12px;padding:10px 13px;font-weight:900}
.mobile{display:none;border-top:1px solid var(--line);padding:10px 4% 16px;background:rgba(246,247,244,.98)}.mobile a{display:block;padding:12px 0;font-weight:800}
.hero{min-height:100svh;padding:150px 0 90px;background:linear-gradient(115deg,#f6f7f4 0%,#eef1ea 55%,#e5ebdf 100%);display:flex;align-items:center}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}
.kicker{font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;color:var(--green-dark);font-weight:900}
h1,h2,h3{line-height:1.02;letter-spacing:-.055em;margin:0}h1{font-size:clamp(3.4rem,7.5vw,7.6rem);margin:18px 0 25px}h2{font-size:clamp(2.4rem,5.2vw,5.3rem)}h3{font-size:1.5rem}
.lead{max-width:680px;color:#505b55;font-size:1.12rem;line-height:1.75}
.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:0 22px;border-radius:999px;font-weight:900;font-size:.78rem;letter-spacing:.02em}.btn.primary{background:var(--ink);color:#fff}.btn.secondary{border:1px solid #b9c3ba;background:rgba(255,255,255,.55)}
.visual{min-height:570px;border-radius:28px;overflow:hidden;background:#dce4d7;position:relative;box-shadow:var(--shadow);border:1px solid rgba(16,21,19,.08)}
.visual img{width:100%;height:100%;min-height:570px;object-fit:cover}.visual-fallback{height:100%;min-height:570px;display:grid;place-items:center;background:linear-gradient(145deg,#dfe7da,#cbd7c4);color:#4e5d4d;font-weight:900;letter-spacing:.12em;text-transform:uppercase}
.visual-label{position:absolute;left:20px;bottom:20px;background:rgba(16,21,19,.88);color:#fff;padding:14px 16px;border-radius:13px;font-size:.72rem;font-weight:800}
.strip{background:var(--ink);color:#fff}.strip-grid{display:grid;grid-template-columns:repeat(4,1fr)}.strip-item{padding:23px;border-right:1px solid rgba(255,255,255,.12)}.strip-item:last-child{border:0}.strip-item b{display:block;color:var(--accent);font-size:1.05rem}.strip-item span{display:block;color:#bac2bd;font-size:.72rem;margin-top:3px}
.section{padding:105px 0}.section.dark{background:var(--ink);color:#fff}.section.soft{background:#edf1ea}.head{max-width:820px;margin-bottom:45px}.head p{max-width:720px;color:var(--muted);font-size:1.03rem;line-height:1.75;margin-top:22px}.dark .head p{color:#b9c2bd}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:27px;box-shadow:0 8px 35px rgba(16,21,19,.04)}.dark .card{background:#171d1a;border-color:rgba(255,255,255,.10)}.card .num{font-size:.7rem;color:var(--green-dark);font-weight:900;letter-spacing:.15em}.dark .card .num{color:var(--accent)}.card h3{margin:18px 0 10px}.card p{color:var(--muted);font-size:.92rem;line-height:1.7}.dark .card p{color:#b8c1bc}
.product{display:grid;grid-template-columns:1.05fr .95fr;gap:0;border:1px solid var(--line);border-radius:28px;overflow:hidden;background:#fff;box-shadow:var(--shadow)}.product-copy{padding:50px}.product-media{min-height:530px;background:#e4eadf}.product-media img{width:100%;height:100%;object-fit:cover}.facts{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-top:28px}.fact{padding:15px;border:1px solid var(--line);border-radius:12px;background:#fafbf9}.fact b{display:block;font-size:1.05rem}.fact span{display:block;color:var(--muted);font-size:.68rem;margin-top:3px}
.process{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}.process .card{position:relative}.process .num{font-size:1.5rem}
.sip{display:grid;grid-template-columns:.8fr 1.2fr;gap:45px;align-items:center}.diagram{min-height:480px;border-radius:25px;background:#202824;color:#fff;display:grid;place-items:center;padding:35px}.layers{width:min(360px,90%)}.layer{padding:28px 18px;border:1px solid rgba(255,255,255,.18);text-align:center;font-weight:900}.layer.core{background:#aeb9a5;color:#172019}.layer.face{background:#3d4a43}.layer small{display:block;font-weight:600;opacity:.72;margin-top:5px}
.accordion{border-top:1px solid var(--line)}details{border-bottom:1px solid var(--line)}summary{cursor:pointer;list-style:none;padding:23px 45px 23px 0;font-weight:850;font-size:1.1rem;position:relative}summary::-webkit-details-marker{display:none}summary:after{content:"+";position:absolute;right:5px;font-size:1.5rem;color:var(--green-dark)}details[open] summary:after{content:"−"}details p{max-width:800px;color:var(--muted);padding:0 0 24px;margin:0}
.form-wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:45px}.form{background:#fff;border:1px solid var(--line);border-radius:22px;padding:30px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.field{display:grid;gap:7px}.field.full{grid-column:1/-1}.field label{font-size:.74rem;font-weight:900}.field input,.field textarea,.field select{width:100%;border:1px solid #ccd4cd;border-radius:12px;padding:13px;background:#fbfcfa;color:var(--ink)}.field textarea{min-height:135px;resize:vertical}.note{font-size:.76rem;color:var(--muted);line-height:1.6}
.footer{background:#0d1210;color:#fff;padding:60px 0 25px}.footer-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr 1fr;gap:35px}.footer p,.footer a,.footer small{color:#aeb8b2;font-size:.8rem;line-height:1.8}.footer h4{margin:0 0 12px}.footer-bottom{border-top:1px solid rgba(255,255,255,.10);margin-top:35px;padding-top:18px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
.notice{padding:18px 20px;border:1px solid #d3dccf;background:#f0f4ed;border-radius:15px;color:#526052;font-size:.84rem}
.reveal{opacity:0;transform:translateY(18px);transition:.7s ease}.reveal.visible{opacity:1;transform:none}
@media(max-width:1050px){.navlinks{gap:15px}.hero-grid,.product,.sip,.form-wrap{grid-template-columns:1fr}.visual,.visual img,.visual-fallback{min-height:430px}.grid-4{grid-template-columns:1fr 1fr}.process{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:760px){.navlinks,.header>.container>.cta{display:none}.menu{display:block}.mobile.open{display:block}.hero{padding-top:125px}.hero-grid{gap:35px}h1{font-size:clamp(3rem,15vw,5rem)}.strip-grid{grid-template-columns:1fr 1fr}.strip-item:nth-child(2n){border-right:0}.section{padding:75px 0}.grid-4,.process,.facts,.form-grid,.footer-grid{grid-template-columns:1fr}.field.full{grid-column:auto}.product-copy{padding:32px}.visual,.visual img,.visual-fallback{min-height:320px}.diagram{min-height:350px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.reveal{opacity:1;transform:none;transition:none}}