:root{font-family:Arial,Helvetica,sans-serif;color:#f4f4f4;background:#333;font-size:16px}
*{box-sizing:border-box}body{margin:0}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}
.top{background:#242424;color:#dedede;font-size:.83rem;padding:10px max(5%,calc((100% - 1180px)/2))}
header{background:#303030;position:sticky;top:0;z-index:3;box-shadow:0 2px 14px #1118}
.head{max-width:1180px;margin:auto;display:flex;justify-content:space-between;align-items:center;padding:20px 18px;gap:20px}
.brand img{width:154px;height:auto}.footlogo{width:145px;height:auto;margin-bottom:16px}
nav{display:flex;gap:26px;align-items:center;flex-wrap:wrap}nav a{font-size:.87rem;text-transform:uppercase;letter-spacing:.055em;font-weight:700}nav a:hover,nav .active{color:#da7a18}
.hero{min-height:510px;background:linear-gradient(90deg,#1e1e1ee8,#29292966),url('assets/factory.jpg') center/cover;display:flex;align-items:center;color:white}
.hero .inner{max-width:1180px;padding:52px 18px;margin:auto;width:100%}.eyebrow{text-transform:uppercase;letter-spacing:.19em;color:#e99b44;font-size:.82rem;font-weight:700}
h1{font-size:clamp(2.5rem,5vw,4.5rem);line-height:1.1;margin:17px 0;max-width:780px}h2{font-size:clamp(1.8rem,3vw,2.5rem);margin:0 0 22px;color:#f4f4f4}h3{font-size:1.15rem;margin:18px 0 8px}
.hero p{font-size:1.14rem;line-height:1.7;max-width:570px;color:#f0f4f8}.btn{display:inline-block;margin-top:22px;padding:14px 23px;background:#df8422;color:#fff;font-weight:700;font-size:.87rem;text-transform:uppercase;letter-spacing:.06em}
.wrap{max-width:1180px;margin:auto;padding:76px 18px}.lead{font-size:1.12rem;line-height:1.75;max-width:770px;color:#dedede}p{line-height:1.7;color:#cecece}
.split{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:68px}.split img{width:100%;height:390px;object-fit:cover}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.card{border:1px solid #565656;background:#414141;overflow:hidden}.card img{width:100%;height:225px;object-fit:cover}.card div{padding:20px}.card p{margin:6px 0 0;font-size:.93rem}
.band{background:#292929}.pagehead{background:#292929;color:white;padding:65px 18px}.pagehead div{max-width:1180px;margin:auto}.pagehead h1{font-size:2.7rem;margin:0}
.two{display:grid;grid-template-columns:repeat(2,1fr);gap:38px}.project img{width:100%;height:300px;object-fit:cover}.project h3{margin:16px 0 0}
footer{background:#242424;color:#f0f0f0;padding:45px 18px}footer .foot{max-width:1180px;margin:auto;display:flex;justify-content:space-between;gap:22px}footer p{color:#cecece;margin:5px 0}footer a:hover{color:#efa351}
.notice{background:#fff3db;color:#57401a;padding:12px 18px;text-align:center;font-size:.9rem}
@media(max-width:760px){.top{display:none}.head{align-items:flex-start;flex-direction:column}.brand img{width:130px}nav{gap:13px}nav a{font-size:.76rem}.hero{min-height:440px}.wrap{padding:50px 18px}.split,.two{grid-template-columns:1fr;gap:30px}.grid{grid-template-columns:1fr 1fr;gap:14px}.card img{height:170px}.card div{padding:12px}footer .foot{flex-direction:column}}
@media(max-width:480px){.grid{grid-template-columns:1fr}.card img{height:220px}}
/* Branded overlays on site photographs. */
.photo{position:relative;display:block;margin:0;overflow:hidden;line-height:0}
.photo img{user-select:none;-webkit-user-select:none;-webkit-user-drag:none}
.photo::after{content:"";position:absolute;inset:0;pointer-events:none;background:url('assets/zhelf-logo-orange.png') center/48% auto no-repeat;opacity:.56;filter:drop-shadow(0 1px 3px #000a)}
.hero{position:relative;isolation:isolate}
.hero::after{content:"";position:absolute;right:4%;bottom:6%;width:min(27%,280px);height:85px;pointer-events:none;background:url('assets/zhelf-logo-orange.png') center/contain no-repeat;opacity:.66;filter:drop-shadow(0 1px 4px #000)}
.hero .inner{position:relative;z-index:1}
@media(max-width:760px){.hero::after{width:155px;height:50px;right:18px;bottom:15px}.photo::after{background-size:55% auto}}