:root{--ink:#14181d;--ink2:#1e242b;--text:#2b3138;--muted:#66707a;--line:#e3e7eb;--bg:#fff;--soft:#f3f6f8;--accent:#00b4e5;--accent-d:#0092bb;--r:14px;--shadow:0 10px 30px rgba(20,24,29,.08);--font:"Segoe UI",system-ui,-apple-system,"Helvetica Neue",Roboto,Arial,sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:var(--font);color:var(--text);background:var(--bg);line-height:1.65;font-size:17px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}a{color:var(--accent-d);text-decoration:none}a:hover{color:var(--accent)}
h1,h2,h3,h4{color:var(--ink);line-height:1.2;margin:0 0 .6em;font-weight:800;letter-spacing:-.01em}
h1{font-size:clamp(2rem,4.4vw,3.4rem)}h2{font-size:clamp(1.6rem,2.8vw,2.3rem)}h3{font-size:1.25rem}
p{margin:0 0 1em}
.wrap{width:min(1200px,100% - 40px);margin:0 auto}.narrow{max-width:820px}.center{text-align:center}.center .hero-actions{justify-content:center}
.kicker{display:inline-block;font-size:.8rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin-bottom:.8rem}
svg{width:1em;height:1em;fill:currentColor;flex:none}
.btn{display:inline-flex;align-items:center;gap:.55em;padding:.85em 1.5em;border-radius:999px;font-weight:700;font-size:.95rem;border:2px solid transparent;transition:.2s;cursor:pointer;font-family:inherit}
.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-d);color:#fff;transform:translateY(-1px)}
.btn-ghost{border-color:rgba(255,255,255,.6);color:#fff}.btn-ghost:hover{background:#fff;color:var(--ink)}
.btn-outline{border-color:var(--ink);color:var(--ink)}.btn-outline:hover{background:var(--ink);color:#fff}
/* top + header */
.topbar{background:var(--ink);color:#b9c2cb;font-size:.85rem}.topbar .wrap{display:flex;justify-content:space-between;gap:1rem;padding:.5rem 0}
.topbar a{color:#d9e0e6}.topbar a:hover{color:var(--accent)}.topbar span,.topbar a{display:inline-flex;align-items:center;gap:.4em}.tb-right{display:flex;gap:1.4rem}.topbar svg{color:var(--accent)}
.header{position:sticky;top:0;z-index:50;background:rgba(20,24,29,.97);backdrop-filter:blur(8px);border-bottom:1px solid rgba(255,255,255,.06)}
.header .wrap{display:flex;align-items:center;gap:2rem;height:84px}
.brand{display:flex;align-items:center;gap:.8rem;color:#fff}.brand img{height:54px;width:auto}.brand span{font-weight:700;font-size:.95rem;line-height:1.15;color:#fff}.brand small{display:block;font-weight:400;color:#9aa5af;font-size:.78rem}
.nav{display:flex;gap:.3rem;margin-left:auto}.nav a{color:#dfe5ea;font-weight:600;padding:.5rem .9rem;border-radius:8px;font-size:.97rem}.nav a:hover,.nav a.active{color:var(--accent)}
.header-cta{padding:.7em 1.3em}
.burger{display:none;background:none;border:0;width:44px;height:44px;margin-left:auto;cursor:pointer;padding:10px}.burger span{display:block;height:2px;background:#fff;margin:6px 0;transition:.25s}
/* hero */
.hero{position:relative;min-height:min(86vh,760px);display:flex;align-items:center;color:#fff;overflow:hidden;background:var(--ink)}
.hero-slide{position:absolute;inset:0;background-size:cover;background-position:center;opacity:0;transform:scale(1.06);transition:opacity 1.2s ease,transform 7s ease}
.hero-slide.on{opacity:1;transform:scale(1)}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(14,17,21,.9) 0%,rgba(14,17,21,.65) 50%,rgba(14,17,21,.25) 100%)}
.hero-inner{position:relative;z-index:2;padding:5rem 0}.hero h1{color:#fff;max-width:820px}.hero p{max-width:640px;color:#d3dae0;font-size:1.1rem}
.hero-actions{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:1.8rem}
.hero-dots{position:absolute;z-index:3;bottom:28px;left:50%;transform:translateX(-50%);display:flex;gap:8px}.hero-dots button{width:34px;height:4px;border:0;border-radius:2px;background:rgba(255,255,255,.35);cursor:pointer;padding:0}.hero-dots button.on{background:var(--accent)}
/* stats */
.stats{background:var(--accent);color:#fff}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{padding:2.2rem 1rem;text-align:center;border-right:1px solid rgba(255,255,255,.25)}.stat:last-child{border:0}
.stat strong{display:block;font-size:clamp(2rem,3.6vw,2.9rem);font-weight:800;line-height:1.1}.stat span{font-size:.9rem;opacity:.92;text-transform:uppercase;letter-spacing:.08em;font-weight:600}
/* sections */
.section{padding:clamp(3.5rem,8vw,6.5rem) 0}.section.alt{background:var(--soft)}
.section-head{margin-bottom:2.6rem;max-width:720px}.section-head.row{display:flex;justify-content:space-between;align-items:flex-end;max-width:none;gap:1rem;flex-wrap:wrap}
.lead{font-size:1.15rem;color:var(--muted)}
.services{display:grid;grid-template-columns:repeat(4,1fr);gap:1.4rem}
.service{background:#fff;border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow);color:var(--text);display:flex;flex-direction:column;transition:.25s;border:1px solid var(--line)}
.service:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(20,24,29,.14);color:var(--text)}
.service-img{aspect-ratio:4/3;overflow:hidden}.service-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s}.service:hover .service-img img{transform:scale(1.06)}
.service-body{padding:1.4rem 1.4rem 1.6rem;display:flex;flex-direction:column;flex:1}.service ul{list-style:none;padding:0;margin:0 0 1.2rem;flex:1}
.service li{display:flex;align-items:center;gap:.5em;padding:.18rem 0;font-size:.95rem}.service li svg{color:var(--accent)}.service li.more{padding-left:1.5em;color:var(--muted)}
.link{display:inline-flex;align-items:center;gap:.4em;font-weight:700;color:var(--accent-d)}
.checks{list-style:none;padding:0;margin:1.2rem 0 1.8rem}.checks li{display:flex;gap:.6em;align-items:flex-start;padding:.35rem 0;font-weight:500}.checks svg{color:#fff;background:var(--accent);border-radius:50%;padding:3px;width:1.3em;height:1.3em;margin-top:.15em}
.checks.two{display:grid;grid-template-columns:1fr 1fr;column-gap:1.5rem}
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,5vw,4.5rem);align-items:center}
.split-img img{border-radius:var(--r);box-shadow:var(--shadow);width:100%;aspect-ratio:4/3;object-fit:cover}
.band{position:relative;padding:clamp(4rem,9vw,7rem) 0;background:var(--ink) var(--img) center/cover;color:#fff;text-align:center}
.band::before{content:"";position:absolute;inset:0;background:rgba(14,17,21,.62)}.band .wrap{position:relative}.band h2{color:#fff;font-size:clamp(2rem,4vw,3rem)}
.guarantee{position:relative;background:var(--ink) var(--img) center/cover;color:#fff;padding:clamp(3.5rem,7vw,5.5rem) 0}
.guarantee::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(14,17,21,.95),rgba(14,17,21,.75))}
.guarantee .wrap{position:relative;display:flex;gap:3rem;align-items:center}.guarantee h2{color:#fff}.guarantee p{color:#d3dae0;max-width:720px;font-size:1.08rem;margin:0}
.guarantee-badge{flex:none;width:150px;height:150px;border-radius:50%;border:3px solid var(--accent);display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center}
.guarantee-badge strong{font-size:3rem;line-height:1;color:var(--accent)}.guarantee-badge span{font-size:.75rem;text-transform:uppercase;letter-spacing:.08em;font-weight:700}
.news{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem}
.news-card{background:#fff;border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow)}.news-img{aspect-ratio:4/3;overflow:hidden}.news-img img{width:100%;height:100%;object-fit:cover}
.news-body{padding:1.3rem 1.4rem}.news-body time{font-size:.82rem;color:var(--accent-d);font-weight:700}.news-body h3{margin:.3rem 0 .5rem;font-size:1.12rem}.news-body p{font-size:.95rem;color:var(--muted);margin:0}
.refs{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem}.ref{margin:0}.ref img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r);transition:.3s}.ref a:hover img{filter:brightness(.85)}
.ref figcaption{font-weight:700;color:var(--ink);margin-top:.8rem;line-height:1.35}
/* testimonials */
.testimonials{background:var(--soft)}.t-track{display:grid;grid-auto-flow:column;grid-auto-columns:calc((100% - 2.8rem)/3);gap:1.4rem;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;padding-bottom:.5rem}.t-track::-webkit-scrollbar{display:none}
.t-card{scroll-snap-align:start;margin:0;background:#fff;border-radius:var(--r);padding:1.8rem;box-shadow:var(--shadow);display:flex;flex-direction:column}
.stars{color:#f5b400;display:flex;gap:2px;margin-bottom:1rem}.t-card blockquote{margin:0 0 1rem;flex:1;font-size:.97rem}.t-card blockquote p:last-child{margin:0}.t-card figcaption{font-weight:800;color:var(--ink)}
.t-controls{display:flex;gap:.6rem;margin-top:1.4rem}.t-controls button{width:46px;height:46px;border-radius:50%;border:2px solid var(--ink);background:none;cursor:pointer;color:var(--ink);display:grid;place-items:center}.t-controls button:hover{background:var(--ink);color:#fff}.t-prev svg{transform:rotate(180deg)}
.t-note{margin-top:1.4rem;font-size:.85rem;color:var(--muted)}.t-note summary{cursor:pointer;font-weight:600}
/* contact */
.contact-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:clamp(2rem,5vw,4.5rem);align-items:start}
.contact-list{list-style:none;padding:0;margin:1.6rem 0}.contact-list li{display:flex;gap:.9rem;padding:.6rem 0}.contact-list svg{color:var(--accent);width:1.3em;height:1.3em;margin-top:.2em}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);padding:clamp(1.5rem,3vw,2.4rem)}
.form label{display:block;font-weight:600;font-size:.9rem;color:var(--ink);margin-bottom:1rem}
.form input:not([type=checkbox]),.form textarea,.form select{display:block;width:100%;margin-top:.35rem;padding:.8rem .95rem;border:1px solid #cfd6dc;border-radius:10px;font:inherit;font-weight:400;color:var(--text);background:#fff}
.form input:focus,.form textarea:focus,.form select:focus{outline:2px solid var(--accent);border-color:transparent}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}.form .check{display:flex;gap:.7rem;font-weight:400;font-size:.82rem;color:var(--muted)}.form .check input{margin-top:.25rem;accent-color:var(--accent)}
.form small{display:block;margin-top:.8rem;color:var(--muted)}.hp{position:absolute;left:-9999px}
.form-msg{padding:.9rem 1rem;border-radius:10px;font-weight:600}.form-msg.ok{background:#e3f7ee;color:#11734a}.form-msg.err{background:#fde8e8;color:#a32020}
/* page head */
.page-head{position:relative;background:var(--ink) var(--img) center/cover;color:#fff;padding:clamp(4rem,9vw,7rem) 0 clamp(3rem,6vw,4.5rem)}
.page-head::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(14,17,21,.92),rgba(14,17,21,.55))}.page-head .wrap{position:relative}.page-head h1{color:#fff}.page-head p{color:#d3dae0;max-width:640px;font-size:1.1rem;margin:0}
.svc-detail{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,5vw,4.5rem);align-items:center;padding:2.5rem 0;scroll-margin-top:110px}.svc-detail+.svc-detail{border-top:1px solid var(--line)}.svc-detail.rev .split-img{order:2}
.team{display:grid;grid-template-columns:repeat(4,1fr);gap:1.4rem}.member{margin:0;text-align:center}.member img{width:100%;aspect-ratio:1;object-fit:cover;border-radius:var(--r);box-shadow:var(--shadow)}
.member figcaption{margin-top:1rem}.member strong{display:block;color:var(--ink);font-size:1.1rem}.member span{color:var(--accent-d);font-weight:600;font-size:.92rem}
.gallery{display:grid;grid-template-columns:repeat(5,1fr);gap:.7rem}.g-item{display:block;overflow:hidden;border-radius:10px}.gallery img{width:100%;aspect-ratio:1;object-fit:cover;transition:transform .4s}.gallery a:hover img{transform:scale(1.07)}
.legal h2{font-size:1.5rem;margin-top:2.2rem}.legal h3{font-size:1.2rem;margin-top:1.8rem}.legal h4,.legal h5{font-size:1.05rem;margin-top:1.4rem}.legal p,.legal li{color:#3d444b;overflow-wrap:anywhere}
/* lightbox */
.lightbox{position:fixed;inset:0;z-index:100;background:rgba(10,12,15,.94);display:flex;align-items:center;justify-content:center}.lightbox[hidden]{display:none}
.lightbox img{max-width:90vw;max-height:86vh;border-radius:8px}.lightbox button{position:absolute;background:none;border:0;color:#fff;font-size:3rem;cursor:pointer;padding:1rem;line-height:1}
.lb-close{top:10px;right:20px}.lb-prev{left:10px}.lb-next{right:10px}
/* footer */
.footer{background:var(--ink);color:#aab4bd;font-size:.95rem}.footer-grid{display:grid;grid-template-columns:1.3fr 1fr .8fr .8fr;gap:2.5rem;padding:4.5rem 0 3rem}
.footer h4{color:#fff;font-size:1rem;margin-bottom:1rem}.footer a{color:#d9e0e6}.footer a:hover{color:var(--accent)}.footer ul{list-style:none;padding:0;margin:0}.footer li{padding:.25rem 0}
.footer-logo{height:80px;width:auto;margin-bottom:1.2rem}.social{display:flex;gap:.6rem}.social a{width:40px;height:40px;border-radius:50%;background:rgba(255,255,255,.08);display:grid;place-items:center}.social a:hover{background:var(--accent);color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:1.2rem 0;font-size:.85rem}
/* reveal */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none}.hero-slide{transition:none}}
/* responsive */
@media (max-width:1100px){.header-cta{display:none}.services{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr 1fr}.gallery{grid-template-columns:repeat(4,1fr)}}
@media (max-width:900px){
  .tb-left{display:none}.topbar .wrap{justify-content:center}
  .burger{display:block}.nav{position:fixed;top:0;right:0;bottom:0;width:min(320px,85vw);flex-direction:column;background:var(--ink);padding:6rem 1.5rem 2rem;transform:translateX(100%);transition:.3s;margin:0;gap:.2rem;box-shadow:-10px 0 30px rgba(0,0,0,.3)}
  .nav a{font-size:1.15rem;padding:.8rem 1rem}.nav.open{transform:none}.burger{position:relative;z-index:60}
  .burger[aria-expanded=true] span:nth-child(1){transform:translateY(8px) rotate(45deg)}.burger[aria-expanded=true] span:nth-child(2){opacity:0}.burger[aria-expanded=true] span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}
  .split,.svc-detail,.contact-grid{grid-template-columns:1fr}.svc-detail.rev .split-img{order:0}
  .stats-grid{grid-template-columns:1fr 1fr}.stat:nth-child(2){border-right:0}.stat:nth-child(-n+2){border-bottom:1px solid rgba(255,255,255,.25)}
  .news,.refs{grid-template-columns:1fr 1fr}.team{grid-template-columns:1fr 1fr}.gallery{grid-template-columns:repeat(3,1fr)}
  .t-track{grid-auto-columns:80%}.guarantee .wrap{flex-direction:column;align-items:flex-start;gap:1.5rem}
}
@media (max-width:600px){
  body{font-size:16px}.tb-right{gap:1rem}.tb-right a:last-child{display:none}.header .wrap{height:70px}.brand img{height:44px}.brand span{display:none}
  .services,.news,.refs,.form-row,.checks.two{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.gallery{grid-template-columns:1fr 1fr}.t-track{grid-auto-columns:90%}
  .hero{min-height:620px}.hero::after{background:rgba(14,17,21,.72)}
}