/* SKYLINE AIR COMPRESSORS — B2B industrial theme */
:root{
  --blue:#1a4b9b; --blue-dark:#0f2c5c; --blue-light:#e8effa;
  --accent:#f5a623; --ink:#1c2333; --muted:#5b6577; --line:#dde3ee;
  --bg:#ffffff; --bg-soft:#f4f6fa;
}
*{box-sizing:border-box; margin:0; padding:0}
html{scroll-behavior:smooth}
body{font-family:"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif; color:var(--ink); line-height:1.65; background:var(--bg)}
[dir="rtl"] body{font-family:"Segoe UI",Tahoma,Arial,sans-serif}
img{max-width:100%; height:auto; display:block}
a{color:var(--blue); text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:1180px; margin:0 auto; padding:0 20px}

/* header */
.topbar{background:var(--blue-dark); color:#cdd8ec; font-size:13px; padding:6px 0}
.topbar .wrap{display:flex; justify-content:space-between; gap:12px; flex-wrap:wrap}
.topbar a{color:#fff}
header.site{background:#fff; border-bottom:3px solid var(--blue); position:sticky; top:0; z-index:50}
.header-in{display:flex; align-items:center; gap:18px; padding:10px 20px}
.brand img{height:56px; width:auto}
.brand-txt{line-height:1.25}
.brand-txt strong{font-size:17px; color:var(--blue-dark); letter-spacing:.5px; display:block}
.brand-txt span{font-size:12px; color:var(--muted)}
nav.main{margin-inline-start:auto}
nav.main ul{display:flex; gap:4px; list-style:none; flex-wrap:wrap}
nav.main a{display:block; padding:10px 13px; color:var(--ink); font-weight:600; font-size:15px; border-radius:6px}
nav.main a:hover{background:var(--blue-light); text-decoration:none}
nav.main a.active{background:var(--blue); color:#fff}
.langswitch{display:flex; gap:6px; align-items:center; font-size:13px}
.langswitch a{padding:5px 9px; border:1px solid var(--line); border-radius:20px; color:var(--muted); font-weight:600}
.langswitch a:hover{border-color:var(--blue); color:var(--blue); text-decoration:none}
.langswitch a.cur{background:var(--blue); border-color:var(--blue); color:#fff}

/* hero */
.hero{background:linear-gradient(115deg,var(--blue-dark) 0%,var(--blue) 65%,#2f66c4 100%); color:#fff; padding:64px 0}
.hero .kicker{display:inline-block; background:rgba(255,255,255,.14); border:1px solid rgba(255,255,255,.35); padding:5px 14px; border-radius:20px; font-size:13px; letter-spacing:1px; margin-bottom:16px}
.hero h1{font-size:42px; line-height:1.2; margin-bottom:14px; letter-spacing:1px}
.hero p.sub{font-size:18px; color:#dbe6fa; max-width:720px; margin-bottom:26px}
.btn{display:inline-block; padding:12px 26px; border-radius:6px; font-weight:700; font-size:15px; border:2px solid transparent; cursor:pointer}
.btn-primary{background:var(--accent); color:#1c2333}
.btn-primary:hover{background:#e09400; text-decoration:none}
.btn-outline{border-color:#fff; color:#fff; margin-inline-start:10px}
.btn-outline:hover{background:rgba(255,255,255,.12); text-decoration:none}
.btn-blue{background:var(--blue); color:#fff}
.btn-blue:hover{background:var(--blue-dark); text-decoration:none}

/* sections */
section.block{padding:56px 0}
section.block.soft{background:var(--bg-soft)}
.sec-title{font-size:30px; color:var(--blue-dark); margin-bottom:8px}
.sec-sub{color:var(--muted); margin-bottom:30px; max-width:760px}
.grid{display:grid; gap:22px}
.grid.cats{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
.grid.why{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.card{background:#fff; border:1px solid var(--line); border-radius:10px; overflow:hidden; display:flex; flex-direction:column; transition:box-shadow .2s}
.card:hover{box-shadow:0 8px 26px rgba(26,75,155,.14)}
.card .ph{aspect-ratio:4/3; overflow:hidden; background:#fff; display:flex; align-items:center; justify-content:center}
.card .ph img{width:100%; height:100%; object-fit:contain; padding:14px}
.card .cb{padding:20px; display:flex; flex-direction:column; gap:10px; flex:1}
.card h3{font-size:19px; color:var(--blue-dark)}
.card p{color:var(--muted); font-size:14.5px; flex:1}
.card .go{font-weight:700; font-size:14px}

/* stats */
.stats{background:var(--blue-dark); color:#fff}
.stats .grid{grid-template-columns:repeat(auto-fit,minmax(160px,1fr)); text-align:center}
.stat b{font-size:38px; display:block; color:var(--accent)}
.stat span{font-size:14px; color:#cdd8ec}

/* why */
.why-item{background:#fff; border:1px solid var(--line); border-radius:10px; padding:24px; border-top:4px solid var(--blue)}
.why-item h3{font-size:17px; color:var(--blue-dark); margin-bottom:8px}
.why-item p{font-size:14.5px; color:var(--muted)}

/* certs */
.certs{display:flex; flex-wrap:wrap; gap:12px}
.cert{background:#fff; border:1px solid var(--line); border-radius:8px; padding:12px 20px; font-weight:600; color:var(--blue-dark); font-size:14.5px}
.cert::before{content:"✓ "; color:var(--accent); font-weight:800}

/* page head */
.pagehead{background:var(--blue-light); padding:40px 0; border-bottom:1px solid var(--line)}
.pagehead h1{font-size:32px; color:var(--blue-dark)}
.pagehead p{color:var(--muted); margin-top:6px; max-width:800px}
.crumb{font-size:13px; color:var(--muted); margin-bottom:8px}
.crumb a{color:var(--blue)}

/* tables */
.tblwrap{overflow-x:auto; margin:18px 0 34px; border:1px solid var(--line); border-radius:8px}
table.spec{border-collapse:collapse; width:100%; font-size:13.5px; min-width:860px}
table.spec th{background:var(--blue); color:#fff; padding:10px 8px; text-align:center; font-weight:600; white-space:nowrap}
table.spec th small{display:block; font-weight:400; opacity:.85; font-size:11px}
table.spec td{padding:8px; border-bottom:1px solid var(--line); text-align:center; white-space:nowrap}
table.spec tr:nth-child(even) td{background:#f7f9fd}
table.spec tr:hover td{background:#eef3fc}
.series{margin-bottom:10px}
.series h2{font-size:22px; color:var(--blue-dark); padding-top:26px; border-top:2px solid var(--line); margin-top:8px; padding-bottom:4px}
.series h2:first-child{border-top:none; padding-top:0; margin-top:0}
.cat-hero{display:grid; grid-template-columns:1fr 1fr; gap:30px; align-items:center; margin:26px 0}
.cat-hero img{border:1px solid var(--line); border-radius:10px; padding:18px; background:#fff}
.cat-hero p{color:var(--muted); font-size:16px}

/* screw */
.screw-grid{display:grid; grid-template-columns:1fr 1fr; gap:26px; margin:26px 0}
.screw-card{background:#fff; border:1px solid var(--line); border-radius:10px; overflow:hidden}
.screw-card img{width:100%; aspect-ratio:4/3; object-fit:cover}
.screw-card .cb{padding:22px}
.screw-card h2{color:var(--blue-dark); font-size:21px; margin-bottom:8px}
.screw-card p{color:var(--muted); font-size:14.5px; margin-bottom:12px}
.screw-card ul{margin-inline-start:20px; color:var(--ink); font-size:14.5px}
.notice{background:#fff8e8; border:1px solid #f0d488; border-radius:8px; padding:16px 20px; margin:22px 0; font-size:14.5px}
.notice strong{color:#8a6100}
.illus-note{font-size:13px; color:var(--muted); font-style:italic; margin-top:14px}

/* about */
.about-grid{display:grid; grid-template-columns:2fr 1fr; gap:34px; margin-top:8px}
.about-grid p{margin-bottom:16px; color:#333}
.facts{background:var(--bg-soft); border:1px solid var(--line); border-radius:10px; padding:24px; align-self:start}
.facts h2{font-size:19px; color:var(--blue-dark); margin-bottom:12px}
.facts dl{display:grid; grid-template-columns:auto 1fr; gap:8px 14px; font-size:14px}
.facts dt{font-weight:700; color:var(--blue-dark)}
.facts dd{color:var(--muted)}

/* contact */
.contact-grid{display:grid; grid-template-columns:1fr 1.2fr; gap:34px; margin-top:26px}
.info-card{background:var(--bg-soft); border:1px solid var(--line); border-radius:10px; padding:26px}
.info-card h2{font-size:19px; color:var(--blue-dark); margin-bottom:14px}
.info-card p{margin-bottom:10px; font-size:15px}
.info-card .lbl{font-weight:700; color:var(--blue-dark); display:inline-block; min-width:74px}
form.inquiry{background:#fff; border:1px solid var(--line); border-radius:10px; padding:26px}
form.inquiry label{display:block; font-weight:600; font-size:14px; margin:14px 0 6px}
form.inquiry label:first-child{margin-top:0}
form.inquiry input, form.inquiry select, form.inquiry textarea{width:100%; padding:11px 12px; border:1px solid var(--line); border-radius:6px; font-size:15px; font-family:inherit}
form.inquiry textarea{min-height:130px; resize:vertical}
form.inquiry input:focus, form.inquiry textarea:focus{outline:2px solid var(--blue); border-color:var(--blue)}
form.inquiry .row2{display:grid; grid-template-columns:1fr 1fr; gap:14px}
.form-note{font-size:13px; color:var(--muted); margin-top:12px}

/* cta band */
.ctaband{background:linear-gradient(115deg,var(--blue) 0%,var(--blue-dark) 100%); color:#fff; padding:44px 0; text-align:center}
.ctaband h2{font-size:26px; margin-bottom:8px}
.ctaband p{color:#dbe6fa; margin-bottom:20px}

/* footer */
footer.site{background:var(--blue-dark); color:#cdd8ec; padding:46px 0 0; margin-top:0}
.fgrid{display:grid; grid-template-columns:1.4fr 1fr 1.2fr; gap:30px; padding-bottom:30px}
footer.site h3{color:#fff; font-size:16px; margin-bottom:12px}
footer.site p, footer.site li{font-size:14px}
footer.site ul{list-style:none}
footer.site li{margin-bottom:7px}
footer.site a{color:#cdd8ec}
footer.site a:hover{color:#fff}
.copyright{border-top:1px solid rgba(255,255,255,.15); padding:16px 0; font-size:13px; text-align:center; color:#9fb0cc}

/* gateway */
.gateway{min-height:100vh; display:flex; align-items:center; justify-content:center; background:linear-gradient(135deg,var(--blue-dark),var(--blue)); color:#fff; text-align:center; padding:40px 20px}
.gateway img{height:90px; margin:0 auto 20px}
.gateway h1{font-size:30px; margin-bottom:8px}
.gateway p{color:#dbe6fa; margin-bottom:26px}
.gateway .langs{display:flex; gap:12px; justify-content:center; flex-wrap:wrap}
.gateway .langs a{background:#fff; color:var(--blue-dark); font-weight:700; padding:12px 26px; border-radius:8px; font-size:16px}
.gateway .langs a:hover{background:var(--accent); color:#1c2333; text-decoration:none}

/* responsive */
@media (max-width:900px){
  .cat-hero, .screw-grid, .about-grid, .contact-grid{grid-template-columns:1fr}
  .fgrid{grid-template-columns:1fr 1fr}
  .hero h1{font-size:30px}
  nav.main{order:3; width:100%}
  nav.main ul{overflow-x:auto; flex-wrap:nowrap}
  nav.main a{white-space:nowrap; font-size:14px; padding:8px 10px}
  .header-in{flex-wrap:wrap}
}
@media (max-width:600px){
  .fgrid{grid-template-columns:1fr}
  form.inquiry .row2{grid-template-columns:1fr}
  section.block{padding:38px 0}
  .hero{padding:44px 0}
}