/* Surface Coating Experts — design system */
:root{
  --ink:#15181E; --ink-soft:#2B313B; --bg:#ffffff;
  --surface:#F4F6F8; --surface-2:#ECEFF3; --muted:#59636F;
  --line:#E2E6EC; --accent:#D2232A; --accent-d:#A81B21; --gold:#D2232A;
  --maxw:1200px; --r:14px; --r-sm:10px;
  --shadow:0 10px 30px rgba(20,24,30,.08); --shadow-lg:0 24px 60px rgba(20,24,30,.16);
  --hsans:'Archivo',system-ui,Segoe UI,Roboto,Helvetica,Arial,sans-serif;
  --bsans:'Inter',system-ui,Segoe UI,Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--bsans);color:var(--ink);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--hsans);font-weight:800;line-height:1.08;letter-spacing:-.02em}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.eyebrow{font-family:var(--hsans);font-weight:700;text-transform:uppercase;letter-spacing:.16em;font-size:.78rem;color:var(--accent)}
.section{padding:84px 0}
.section--tight{padding:60px 0}
.section-head{max-width:680px;margin-bottom:44px}
.section-head h2{font-size:clamp(1.8rem,3.4vw,2.7rem);margin:12px 0 14px}
.section-head p{color:var(--muted);font-size:1.06rem}
.center{text-align:center;margin-left:auto;margin-right:auto}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:.5em;font-family:var(--hsans);font-weight:700;font-size:.98rem;
  padding:14px 24px;border-radius:var(--r-sm);border:2px solid transparent;cursor:pointer;transition:.18s;white-space:nowrap}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:var(--accent-d)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:#000}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--ink)}
.btn-light{background:#fff;color:var(--ink)}
.btn-light:hover{background:#f0f0f0}
.btn-outline-w{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.btn-outline-w:hover{border-color:#fff;background:rgba(255,255,255,.1)}
.btn-lg{padding:17px 30px;font-size:1.05rem}

/* topbar */
.topbar{background:var(--ink);color:#cfd5dd;font-size:.85rem}
.topbar .container{display:flex;justify-content:space-between;align-items:center;height:40px;gap:18px}
.topbar a{color:#cfd5dd}
.topbar .tb-right{display:flex;gap:20px;align-items:center}
.topbar .stars{color:var(--gold);letter-spacing:1px}
.tb-hide{display:inline}

/* header */
.header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.header.scrolled{box-shadow:0 6px 24px rgba(20,24,30,.08)}
.nav{display:flex;align-items:center;justify-content:space-between;height:74px}
.brand{display:flex;align-items:center;line-height:1}
.brand-logo{height:48px;width:auto;display:block}
.menu{display:flex;align-items:center;gap:6px;list-style:none}
.menu>li{position:relative}
.menu>li>a{display:flex;align-items:center;gap:5px;padding:10px 14px;font-weight:600;font-size:.97rem;border-radius:8px;color:var(--ink-soft)}
.menu>li>a:hover{color:var(--ink);background:var(--surface)}
.menu .caret{font-size:.6rem;opacity:.6}
.dropdown{position:absolute;top:calc(100% + 6px);left:0;min-width:230px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-sm);box-shadow:var(--shadow);padding:8px;opacity:0;visibility:hidden;transform:translateY(6px);transition:.16s;list-style:none}
.menu>li:hover .dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown a{display:block;padding:9px 12px;border-radius:7px;font-size:.93rem;color:var(--ink-soft)}
.dropdown a:hover{background:var(--surface);color:var(--accent)}
.nav-cta{display:flex;align-items:center;gap:14px}
.nav-phone{font-family:var(--hsans);font-weight:800;font-size:1rem;color:var(--ink);display:inline-flex;align-items:center;gap:7px}
.nav-phone svg{color:var(--accent)}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.burger span{width:24px;height:2.5px;background:var(--ink);border-radius:2px;transition:.2s}

/* hero */
.hero{position:relative;min-height:640px;display:flex;align-items:center;color:#fff;overflow:hidden}
.hero-bg{position:absolute;inset:0;background:#0c0f14 center/cover no-repeat}
.hero-bg::after{content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(10,13,18,.92) 0%,rgba(10,13,18,.7) 40%,rgba(10,13,18,.25) 100%)}
.hero .container{position:relative;z-index:2;padding-top:70px;padding-bottom:70px}
.hero-eyebrow{color:#fff;background:rgba(210,35,42,.9);display:inline-block;padding:6px 14px;border-radius:50px;
  font-family:var(--hsans);font-weight:700;letter-spacing:.12em;text-transform:uppercase;font-size:.72rem}
.hero h1{font-size:clamp(2.3rem,5.2vw,4rem);max-width:15ch;margin:20px 0 18px}
.hero p{font-size:clamp(1.05rem,1.8vw,1.28rem);max-width:46ch;color:#e7ebf0}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}
.hero-trust{display:flex;gap:26px;flex-wrap:wrap;margin-top:38px;padding-top:26px;border-top:1px solid rgba(255,255,255,.16)}
.hero-trust .ht{display:flex;flex-direction:column}
.hero-trust b{font-family:var(--hsans);font-size:1.5rem;line-height:1}
.hero-trust small{font-size:.8rem;color:#c4cbd3;margin-top:4px}
.hero-trust .stars{color:var(--gold)}

/* trust strip */
.strip{background:var(--ink);color:#dfe4ea}
.strip .container{display:flex;flex-wrap:wrap;justify-content:space-between;gap:18px;padding:22px 24px}
.strip .item{display:flex;align-items:center;gap:10px;font-size:.95rem}
.strip .item b{font-family:var(--hsans);color:#fff}
.strip .stars{color:var(--gold)}

/* services */
.grid{display:grid;gap:22px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:.2s;display:flex;flex-direction:column}
.card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px)}
.card .ph{aspect-ratio:4/3;background:var(--surface-2) center/cover no-repeat}
.card .cbody{padding:20px 20px 22px}
.card h3{font-size:1.18rem;margin-bottom:6px}
.card p{color:var(--muted);font-size:.92rem;margin-bottom:12px}
.card .price{font-family:var(--hsans);font-weight:700;color:var(--accent);font-size:.92rem}
.svc-link{display:inline-block;margin-top:12px;font-weight:700;font-size:.9rem;color:var(--ink)}
.svc-link:hover{color:var(--accent)}

/* features */
.features{background:var(--surface)}
.feat{display:flex;gap:16px;align-items:flex-start}
.feat .ic{flex:0 0 46px;height:46px;border-radius:12px;background:var(--ink);color:#fff;display:grid;place-items:center;font-size:1.2rem}
.feat h3{font-size:1.08rem;margin-bottom:4px}
.feat p{color:var(--muted);font-size:.93rem}

/* pricing teaser */
.pricing-wrap{display:grid;grid-template-columns:1.1fr 1fr;gap:40px;align-items:center}
.price-list{list-style:none;border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.price-list li{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;border-bottom:1px solid var(--line)}
.price-list li:last-child{border-bottom:0}
.price-list li:nth-child(odd){background:var(--surface)}
.price-list .pn{font-weight:600}
.price-list .pv{font-family:var(--hsans);font-weight:800;color:var(--ink)}
.price-note{font-size:.85rem;color:var(--muted);margin-top:14px}

/* gallery */
.gallery{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:200px;gap:12px}
.gallery a{border-radius:var(--r-sm);overflow:hidden;background:var(--surface-2)}
.gallery img{width:100%;height:100%;object-fit:cover;transition:.4s}
.gallery a:hover img{transform:scale(1.06)}
.g-tall{grid-row:span 2}
.g-wide{grid-column:span 2}

/* reviews */
.reviews{background:var(--ink);color:#fff}
.rev-top{display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin-bottom:32px}
.rev-score{font-family:var(--hsans);font-weight:900;font-size:3rem;line-height:1}
.rev-top .stars{color:var(--gold);font-size:1.3rem}
.rev-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.rev{background:#1d222b;border:1px solid #2a313c;border-radius:var(--r);padding:22px}
.rev .stars{color:var(--gold);margin-bottom:10px}
.rev p{color:#d7dce3;font-size:.95rem}
.rev .who{margin-top:14px;font-family:var(--hsans);font-weight:700;font-size:.9rem}
.rev .who span{display:block;color:#9aa3ad;font-family:var(--bsans);font-weight:500;font-size:.8rem}

/* areas */
.areas{display:flex;flex-wrap:wrap;gap:14px}
.area-chip{display:flex;align-items:center;gap:8px;padding:14px 20px;border:1px solid var(--line);border-radius:50px;font-family:var(--hsans);font-weight:700}
.area-chip.primary{background:var(--ink);color:#fff;border-color:var(--ink)}
.area-chip:hover{border-color:var(--accent);color:var(--accent)}
.area-chip.primary:hover{color:#fff;background:var(--accent);border-color:var(--accent)}

/* FAQ */
.faq{max-width:820px;margin:0 auto}
.faq details{border:1px solid var(--line);border-radius:var(--r-sm);margin-bottom:12px;background:#fff}
.faq summary{list-style:none;cursor:pointer;padding:18px 22px;font-family:var(--hsans);font-weight:700;font-size:1.05rem;display:flex;justify-content:space-between;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.5rem;color:var(--accent);font-weight:400}
.faq details[open] summary::after{content:"–"}
.faq .ans{padding:0 22px 20px;color:var(--muted)}

/* CTA band */
.cta-band{background:var(--accent);color:#fff;text-align:center}
.cta-band h2{font-size:clamp(1.8rem,3.6vw,2.6rem)}
.cta-band p{max-width:54ch;margin:14px auto 28px;color:#ffe3e4;font-size:1.08rem}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* footer */
.footer{background:#0e1116;color:#aab2bc;font-size:.92rem}
.footer .container{padding-top:60px;padding-bottom:30px}
.foot-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.2fr;gap:32px;padding-bottom:36px;border-bottom:1px solid #20262f}
.footer h4{color:#fff;font-size:.85rem;letter-spacing:.12em;text-transform:uppercase;margin-bottom:16px}
.footer .brand b{color:#fff}.footer .brand span{color:#7d8893}
.footer ul{list-style:none}
.footer li{margin-bottom:9px}
.footer a:hover{color:#fff}
.foot-contact p{margin-bottom:9px}
.footer .socials{display:flex;gap:18px;margin-top:18px}
.footer .socials a{font-weight:600;color:#cdd4dc}
.footer .socials a:hover{color:#fff}
.foot-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;padding-top:22px;font-size:.84rem;color:#6b7681}

/* responsive */
@media(max-width:980px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .pricing-wrap{grid-template-columns:1fr;gap:28px}
  .rev-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .gallery{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:860px){
  .tb-hide{display:none}
  .menu,.nav-phone small{display:none}
  .burger{display:flex}
  .nav-cta .btn{display:none}
  .menu.open{display:flex;position:absolute;top:74px;left:0;right:0;flex-direction:column;align-items:stretch;
    background:#fff;border-bottom:1px solid var(--line);padding:12px;gap:2px;box-shadow:var(--shadow)}
  .menu.open>li>a{padding:14px}
  .menu.open .dropdown{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;
    padding:0 0 8px 14px;display:block}
  .hero{min-height:560px}
}
@media(max-width:560px){
  .section{padding:60px 0}
  .grid-4,.grid-3{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .gallery{grid-template-columns:1fr;grid-auto-rows:220px}
  .strip .container{gap:14px;justify-content:flex-start}
}