/* Quiet Engine Co. — plain CSS, no build step */
:root{--green:#245e48;--green-d:#1b4837;--cream:#f2d7a8;--bg:#f6f4ee;--ink:#1f2a26;--muted:#5b6862;--line:#e2ded3;--card:#fff;--radius:14px}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{display:flex;flex-direction:column;min-height:100vh;margin:0;font:17px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;color:var(--ink);background:var(--bg)}
main{flex:1}
img{max-width:100%;height:auto;display:block}
a{color:var(--green)}
a:hover{color:var(--green-d)}
h1,h2,h3{line-height:1.2;letter-spacing:-.01em;margin:0 0 .5em}
h1{font-size:clamp(2rem,4.5vw,3rem)}
h2{font-size:clamp(1.4rem,2.6vw,1.8rem)}
h3{font-size:1.08rem}
p{margin:0 0 1em}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
.narrow{max-width:760px}
.skip{position:absolute;left:-999px}.skip:focus{left:10px;top:10px;background:#fff;padding:8px;z-index:9}
.promo{background:var(--cream);color:var(--ink);text-align:center;font-size:.92rem;padding:8px 16px}
.promo a{color:var(--green-d)}
.site-header{background:var(--green);color:#fff}
.bar{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:64px;flex-wrap:wrap;padding-top:8px;padding-bottom:8px}
.brand{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none;font-weight:700;font-size:1.1rem}
.brand img{border-radius:8px}
nav{display:flex;flex-wrap:wrap;gap:4px 18px}
nav a{color:#e6efe9;text-decoration:none;font-size:.97rem;padding:4px 0;border-bottom:2px solid transparent}
nav a:hover,nav a[aria-current=page]{color:#fff;border-bottom-color:var(--cream)}
.hero{background:linear-gradient(180deg,var(--green) 0,var(--green) 100%);color:#fff;padding:56px 0 64px}
.hero-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:40px;align-items:center}
.eyebrow{text-transform:uppercase;letter-spacing:.12em;font-size:.8rem;font-weight:700;color:var(--cream);margin-bottom:.6em}
.page-head .eyebrow{color:var(--green)}
.lede{font-size:1.12rem;color:inherit;opacity:.92;max-width:40em}
.hero-art{display:flex;gap:16px;justify-content:center}
.hero-art img{width:48%;border-radius:10px;box-shadow:0 10px 30px rgba(0,0,0,.25)}
.hero-art img:nth-child(2){margin-top:40px}
.cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:1.4em}
.btn{display:inline-block;background:var(--cream);color:var(--green-d);font-weight:700;text-decoration:none;padding:12px 20px;border-radius:999px;border:2px solid var(--cream)}
.btn:hover{background:#fff;border-color:#fff;color:var(--green-d)}
.btn.ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.btn.ghost:hover{border-color:#fff;background:rgba(255,255,255,.08)}
main .section .btn,.page-head .btn{background:var(--green);border-color:var(--green);color:#fff}
main .section .btn:hover,.page-head .btn:hover{background:var(--green-d);border-color:var(--green-d)}
main .section .btn.ghost,.page-head .btn.ghost{background:transparent;color:var(--green);border-color:var(--green)}
main .callout .btn.light{background:var(--cream);border-color:var(--cream);color:var(--green-d)}
.btn.small{padding:7px 14px;font-size:.88rem}
.section{padding-top:48px;padding-bottom:8px}
.section-head{display:flex;justify-content:space-between;align-items:baseline;gap:12px;flex-wrap:wrap}
.pillars{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.pillars li{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px}
.pillars p{color:var(--muted);font-size:.95rem;margin:0}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid.four{grid-template-columns:repeat(4,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column}
.thumb{display:block;background:var(--bg);aspect-ratio:1/1}
.thumb img{width:100%;height:100%;object-fit:cover}
.card-body{padding:16px 18px 18px;display:flex;flex-direction:column;flex:1}
.card h3 a{color:var(--ink);text-decoration:none}
.card h3 a:hover{color:var(--green)}
.fmt{font-size:.78rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin-bottom:.4em;font-weight:600}
.blurb{color:var(--muted);font-size:.93rem;flex:1}
.card-foot{display:flex;justify-content:space-between;align-items:center;margin:0}
.price{font-weight:800;font-size:1.15rem}
.price.free{color:var(--green)}
.callout{background:var(--green);color:#fff;border-radius:var(--radius);padding:28px;display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}
.callout p{opacity:.92;margin:0;max-width:44em}
.page-head{padding:48px 0 8px;border-bottom:1px solid var(--line);background:#fbfaf6}
.page-head .lede{color:var(--muted)}
.jump{font-size:.95rem}
.prose h2{margin-top:1.6em;font-size:1.3rem}
.prose ul{padding-left:1.2em}
.small{font-size:.9rem;color:var(--muted)}
.nl-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:32px;align-items:start}
.nl-art{border-radius:10px;box-shadow:0 8px 24px rgba(0,0,0,.12)}
.contact-cards{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:1.2em 0}
.box{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px}
.box h2{margin-top:0;font-size:1.1rem}
address{font-style:normal}
.site-footer{margin-top:64px;background:var(--green-d);color:#d7e3dc;font-size:.93rem}
.site-footer a{color:#fff}
.foot{display:grid;grid-template-columns:2fr 1fr 1fr;gap:20px;padding-top:32px}
.brand-foot{font-weight:700;color:#fff;font-size:1.05rem}
.fine{border-top:1px solid rgba(255,255,255,.12);padding-top:16px;padding-bottom:24px;font-size:.82rem;opacity:.85}
@media (max-width:900px){
 .grid,.grid.four{grid-template-columns:repeat(2,1fr)}
 .pillars{grid-template-columns:repeat(2,1fr)}
 .hero-grid{grid-template-columns:1fr}
 .hero-art{max-width:420px;margin:0 auto}
}
@media (max-width:560px){
 body{font-size:16px}
 .grid,.grid.four,.pillars,.contact-cards,.nl-grid,.foot{grid-template-columns:1fr}
 .hero{padding:36px 0 44px}
 .hero-art{display:none}
 .bar{justify-content:center}
 nav{justify-content:center}
 .nl-art{max-width:260px;margin:0 auto}
}
@media (prefers-reduced-motion:no-preference){.btn,.card{transition:background .15s,border-color .15s}}