:root{--bg:#ffffff;--bg-alt:#f5f5f5;--panel:#ffffff;--input-bg:#fff;--text:#4a4a4a;--muted:#777;--heading:#151515;--accent:#d8001d;--on-accent:#fff;--line:#e6e6e6;
--nav:#151515;--header-bg:rgba(255,255,255,.95);--head-bg:#151515;--footer-bg:#151515;--footer-text:#b5b5b5;--hero-overlay:linear-gradient(90deg,rgba(0,0,0,.72),rgba(0,0,0,.25));
--radius:4px;--font-body:'Roboto',system-ui,sans-serif;--font-head:'Rubik',system-ui,sans-serif;--head-weight:600}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:90px}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.7 var(--font-body);-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4,h5{font-family:var(--font-head);color:var(--heading);line-height:1.25;margin:0 0 .6em;font-weight:var(--head-weight)}
p{margin:0 0 1em}
.container{width:min(1200px,100% - 32px);margin-inline:auto}
.narrow{max-width:880px}
.skip{position:absolute;left:-999px}.skip:focus{left:16px;top:16px;z-index:100;background:#fff;color:#000;padding:8px 12px}
.btn{display:inline-block;background:var(--accent);color:var(--on-accent);padding:12px 26px;border:2px solid var(--accent);border-radius:var(--radius);font-weight:600;letter-spacing:.02em;cursor:pointer;font-family:var(--font-head);transition:.2s}
.btn:hover{text-decoration:none;filter:brightness(1.08)}
.btn-ghost{background:transparent;color:var(--accent)}
.btn-sm{padding:8px 16px;font-size:.9rem}
.kicker{text-transform:uppercase;letter-spacing:.18em;font-size:.8rem;color:var(--accent);margin:0 0 .4em;font-weight:600}
/* header */
.site-header{position:sticky;top:0;z-index:50;background:var(--header-bg);border-bottom:1px solid var(--line);backdrop-filter:saturate(1.4) blur(6px)}
.header-inner{display:flex;align-items:center;justify-content:space-between;min-height:76px;gap:16px}
.brand img{height:48px;width:auto}
.main-nav{display:flex;align-items:center;gap:22px}
.main-nav>ul{display:flex;gap:4px;list-style:none;margin:0;padding:0}
.main-nav li{position:relative}
.main-nav a{display:block;padding:10px 12px;color:var(--nav);font-family:var(--font-head);font-weight:500;font-size:.95rem}
.main-nav a:hover{color:var(--accent);text-decoration:none}
.main-nav .sub{position:absolute;top:100%;left:0;min-width:260px;background:var(--panel);border:1px solid var(--line);list-style:none;margin:0;padding:8px 0;display:none;box-shadow:0 12px 30px rgba(0,0,0,.18);max-height:70vh;overflow:auto}
.main-nav li:hover>.sub,.main-nav li:focus-within>.sub{display:block}
.main-nav .sub a{padding:7px 18px;font-size:.9rem}
.nav-cta{color:var(--on-accent)!important}
.nav-toggle{display:none;background:none;border:0;padding:10px;cursor:pointer}
.nav-toggle span{display:block;width:24px;height:2px;background:var(--heading);margin:5px 0}
@media (max-width:960px){
 .nav-toggle{display:block}
 .main-nav{position:fixed;inset:76px 0 0;background:var(--panel);flex-direction:column;align-items:stretch;padding:16px;overflow:auto;display:none}
 .main-nav.is-open{display:flex}
 .main-nav>ul{flex-direction:column}
 .main-nav .sub{position:static;display:block;box-shadow:none;border:0;padding-left:12px;max-height:none}
}
/* hero */
.hero{position:relative;min-height:min(78vh,720px);display:grid;color:#fff;overflow:hidden;background:#111}
.hero-slides{display:grid}
.hero-slide{grid-area:1/1;background:center/cover no-repeat;display:flex;align-items:center;opacity:0;transition:opacity .8s;position:relative}
.hero-slide::before{content:"";position:absolute;inset:0;background:var(--hero-overlay)}
.hero-slide.is-active{opacity:1}
.hero-text{position:relative;padding:120px 0}
.hero-text h1,.hero-text h2{color:#fff;font-size:clamp(2rem,4.5vw,3.6rem);max-width:820px}
.hero-text p{max-width:640px;font-size:1.1rem;color:rgba(255,255,255,.88)}
.hero-dots{position:absolute;bottom:24px;left:50%;transform:translateX(-50%);display:flex;gap:10px}
.hero-dots button{width:12px;height:12px;border-radius:50%;border:2px solid #fff;background:transparent;cursor:pointer;padding:0}
.hero-dots button.is-active{background:#fff}
/* sections */
.section{padding:84px 0}
.section-alt{background:var(--bg-alt)}
.section-title{font-size:clamp(1.7rem,3vw,2.4rem)}
.section-intro{max-width:720px;color:var(--muted);margin-bottom:28px}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:24px;margin-top:28px}
.card{display:flex;flex-direction:column;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;color:var(--text);transition:.2s}
.card:hover{text-decoration:none;transform:translateY(-3px);box-shadow:0 14px 30px rgba(0,0,0,.14);border-color:var(--accent)}
.card-img{aspect-ratio:4/3;overflow:hidden;background:var(--bg-alt)}
.card-img img{width:100%;height:100%;object-fit:cover}
.card-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:6px}
.card-title{font-family:var(--font-head);color:var(--heading);font-weight:600;font-size:1.08rem}
.card-text{font-size:.93rem;color:var(--muted)}
.logos{list-style:none;padding:0;margin:28px 0 0;display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:16px}
.logos li{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:14px;display:grid;place-items:center;aspect-ratio:3/2}
.logos img{max-height:70px;width:auto;object-fit:contain}
/* prose */
.prose h2{font-size:1.6rem;margin-top:1.4em}.prose h3{font-size:1.3rem;margin-top:1.2em}.prose h4{font-size:1.1rem}
.prose img{margin:12px 0;border-radius:var(--radius)}
.prose ul,.prose ol{padding-left:1.3em}
.prose table{width:100%;border-collapse:collapse;margin:1em 0}
.prose td,.prose th{border:1px solid var(--line);padding:8px}
/* page head + detail */
.page-head{background:var(--head-bg);color:#fff;padding:64px 0 48px}
.page-head h1{color:#fff;font-size:clamp(1.8rem,4vw,2.8rem);margin:0}
.crumbs{font-size:.88rem;margin-bottom:10px;color:rgba(255,255,255,.75)}
.crumbs a{color:rgba(255,255,255,.9)}
.detail-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:48px;align-items:start}
.side{position:sticky;top:100px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.side h2{font-size:1.1rem}
.side ul{list-style:none;padding:0;margin:0 0 18px;max-height:55vh;overflow:auto}
.side li a{display:block;padding:6px 0;color:var(--text);border-bottom:1px solid var(--line);font-size:.93rem}
.side li.is-current a{color:var(--accent);font-weight:600}
@media (max-width:900px){.detail-grid{grid-template-columns:1fr}.side{position:static}}
/* contact */
.contact-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:48px}
.contact-list{list-style:none;padding:0;margin:0 0 20px}
.contact-list.big li{display:grid;gap:2px;margin-bottom:14px}
.contact-list.big span{font-size:.8rem;text-transform:uppercase;letter-spacing:.12em;color:var(--muted)}
.contact-form{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:28px;display:grid;gap:14px}
.contact-form label{display:grid;gap:6px;font-size:.9rem;color:var(--heading)}
.contact-form input,.contact-form textarea{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:var(--radius);background:var(--input-bg);color:var(--text);font:inherit}
.contact-form input:focus,.contact-form textarea:focus{outline:2px solid var(--accent);outline-offset:1px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.hp{position:absolute;left:-9999px}
.alert{padding:12px 14px;border-radius:var(--radius);margin:0}
.alert-ok{background:#e7f6ec;color:#11602f}.alert-err{background:#fdeceb;color:#8a1c14}
@media (max-width:820px){.contact-grid,.row2{grid-template-columns:1fr}.section{padding:60px 0}}
/* footer */
.site-footer{background:var(--footer-bg);color:var(--footer-text);padding:64px 0 0;font-size:.94rem}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1.2fr;gap:36px}
.site-footer h3{color:#fff;font-size:1rem;text-transform:uppercase;letter-spacing:.1em}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer li{margin-bottom:8px}
.site-footer a{color:var(--footer-text)}.site-footer a:hover{color:#fff}
.footer-logo{height:44px;width:auto;margin-bottom:16px}
.social{display:flex;gap:14px;margin-top:12px!important}
.copy{border-top:1px solid rgba(255,255,255,.12);margin-top:44px;padding:18px 0;font-size:.85rem;color:var(--footer-text)}
@media (max-width:900px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.footer-grid{grid-template-columns:1fr}}
.float-call{position:fixed;right:18px;bottom:18px;width:54px;height:54px;border-radius:50%;background:var(--accent);color:var(--on-accent);display:grid;place-items:center;font-size:1.5rem;box-shadow:0 8px 20px rgba(0,0,0,.25);z-index:40}
.float-call:hover{text-decoration:none}