/* ===== [[CITY]] Paving — design system =====
   Charcoal + safety-amber (road-stripe) theme. Mobile-first, dependency-free. */
:root{
  --ink:#1b1f27;--ink2:#2a2f3a;--charcoal:#12151c;--amber:#f5b301;--amber-dk:#d99a00;
  --gray:#5b6472;--line:#e4e7ec;--bg:#ffffff;--bg2:#f6f7f9;--white:#fff;--ok:#1f9d55;
  --shadow:0 6px 24px rgba(17,21,28,.10);--radius:12px;--wrap:1160px;
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.6;font-size:17px;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{line-height:1.18;color:var(--ink);margin:0 0 .5em;font-weight:800;letter-spacing:-.01em}
h1{font-size:clamp(2rem,5vw,3.1rem)}
h2{font-size:clamp(1.5rem,3.4vw,2.2rem)}
h3{font-size:1.22rem}
p{margin:0 0 1rem}
a{color:var(--amber-dk);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;height:auto;display:block}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}
section{padding:64px 0}
.bg2{background:var(--bg2)}
.center{text-align:center}
.lead{font-size:1.15rem;color:var(--gray);max-width:720px}
.center .lead{margin-left:auto;margin-right:auto}

/* ---- buttons ---- */
.btn{display:inline-block;padding:15px 28px;border-radius:10px;font-weight:800;font-size:1.05rem;text-align:center;cursor:pointer;border:0;transition:transform .08s ease,box-shadow .2s}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn-amber{background:var(--amber);color:var(--charcoal);box-shadow:0 4px 14px rgba(245,179,1,.4)}
.btn-amber:hover{background:var(--amber-dk)}
.btn-dark{background:var(--ink);color:#fff}
.btn-ghost{background:transparent;color:#fff;border:2px solid rgba(255,255,255,.7)}
.btn-block{display:block;width:100%}

/* ---- utility bar ---- */
.topbar{background:var(--charcoal);color:#cfd4dd;font-size:.9rem}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:8px 20px;flex-wrap:wrap}
.topbar a{color:#fff;font-weight:700}
.topbar .promo{color:var(--amber);font-weight:700}

/* ---- header / nav ---- */
.site-head{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 2px 10px rgba(17,21,28,.04)}
.nav{display:flex;align-items:center;justify-content:space-between;padding:12px 20px;max-width:var(--wrap);margin:0 auto}
.brand{font-weight:900;font-size:1.28rem;color:var(--ink);letter-spacing:-.02em}
.brand span{color:var(--amber-dk)}
.nav-links{display:flex;gap:22px;align-items:center;list-style:none;margin:0;padding:0}
.nav-links a{color:var(--ink);font-weight:600;font-size:.98rem}
.nav-cta{background:var(--amber);color:var(--charcoal)!important;padding:10px 18px;border-radius:8px;font-weight:800}
.nav-cta:hover{background:var(--amber-dk);text-decoration:none}
.menu-btn{display:none;background:none;border:0;font-size:1.6rem;cursor:pointer;color:var(--ink)}

/* ---- hero ---- */
.hero{position:relative;color:#fff;background:var(--charcoal)}
.hero-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:1}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(115deg,rgba(15,18,24,.82) 0%,rgba(15,18,24,.5) 58%,rgba(15,18,24,.32) 100%)}
.hero-inner{position:relative;max-width:var(--wrap);margin:0 auto;padding:84px 20px 76px}
.hero h1{color:#fff;max-width:15ch}
.hero .lead{color:#e7eaef;max-width:640px}
.stars{color:var(--amber);font-weight:800;letter-spacing:1px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:26px}
.trust-strip{display:flex;flex-wrap:wrap;gap:10px 26px;margin-top:30px;padding-top:22px;border-top:1px solid rgba(255,255,255,.16);color:#e7eaef;font-weight:700;font-size:.96rem}
.trust-strip span::before{content:"✓";color:var(--amber);font-weight:900;margin-right:8px}

/* ---- services grid ---- */
.grid{display:grid;gap:22px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);transition:transform .1s,border-color .2s}
.card:hover{transform:translateY(-3px);border-color:var(--amber)}
.card h3{margin-bottom:.35em}
.card .ico{width:46px;height:46px;border-radius:10px;background:#fff5d6;color:var(--amber-dk);display:grid;place-items:center;font-size:1.4rem;margin-bottom:14px}
.card a{font-weight:800}

/* ---- split (res/com) ---- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.split .panel{border-radius:var(--radius);padding:34px;color:#fff}
.panel.res{background:linear-gradient(135deg,#2a2f3a,#1b1f27)}
.panel.com{background:linear-gradient(135deg,#b07d00,#d99a00)}
.panel h3{color:#fff;font-size:1.5rem}
.panel ul{padding-left:18px;margin:14px 0 20px}
.panel li{margin-bottom:6px}

/* ---- why / process ---- */
.why{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.why .item .n{font-size:1.7rem}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step}
.step{position:relative;padding:26px 20px;background:#fff;border:1px solid var(--line);border-radius:var(--radius)}
.step::before{counter-increment:step;content:counter(step);position:absolute;top:-16px;left:20px;width:36px;height:36px;background:var(--amber);color:var(--charcoal);font-weight:900;border-radius:50%;display:grid;place-items:center}

/* ---- area + map ---- */
.area-list{columns:3;column-gap:24px;margin-top:14px}
.area-list li{margin-bottom:8px;font-weight:600}
.map-facade{height:360px;border-radius:var(--radius);background:#2a2f3a url('/images/map-teaser.jpg') center/cover;display:grid;place-items:center;cursor:pointer;color:#fff}
.map-facade .btn{pointer-events:none}

/* ---- gallery ---- */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.gallery figure{margin:0;border-radius:10px;overflow:hidden;position:relative}
.gallery img{aspect-ratio:4/3;object-fit:cover;width:100%}

/* ---- reviews ---- */
.reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.review{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}
.review .stars{font-size:1rem}
.review cite{display:block;margin-top:12px;font-weight:800;font-style:normal;color:var(--ink)}

/* ---- FAQ ---- */
.faq details{background:#fff;border:1px solid var(--line);border-radius:10px;padding:6px 20px;margin-bottom:12px}
.faq summary{font-weight:800;cursor:pointer;padding:14px 0;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";float:right;color:var(--amber-dk);font-weight:900}
.faq details[open] summary::after{content:"–"}

/* ---- CTA band ---- */
.cta-band{background:var(--amber);color:var(--charcoal);text-align:center}
.cta-band h2{color:var(--charcoal)}
.cta-band .btn-dark{margin-top:8px}

/* ---- quote form ---- */
.quote{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:28px;border:1px solid var(--line)}
.quote label{display:block;font-weight:700;margin:12px 0 6px;font-size:.95rem}
.quote input,.quote select,.quote textarea{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:8px;font-size:1rem;font-family:inherit}
.quote textarea{min-height:110px;resize:vertical}

/* ---- footer ---- */
.site-foot{background:var(--charcoal);color:#aab2bf;padding:56px 0 24px;font-size:.95rem}
.site-foot h4{color:#fff;font-size:1.05rem;margin-bottom:14px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px}
.site-foot a{color:#cfd4dd}
.site-foot a:hover{color:var(--amber)}
.foot-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:34px;padding-top:18px;font-size:.85rem;color:#8892a0}

/* ---- sticky mobile bar ---- */
.mobile-bar{display:none;position:fixed;bottom:0;left:0;right:0;z-index:60;background:var(--ink);box-shadow:0 -4px 18px rgba(0,0,0,.25)}
.mobile-bar a{flex:1;text-align:center;padding:14px 6px;font-weight:800;color:#fff}
.mobile-bar .call{background:var(--ink2)}
.mobile-bar .quote-b{background:var(--amber);color:var(--charcoal)}

/* ---- breadcrumbs ---- */
.crumbs{font-size:.88rem;color:var(--gray);padding:14px 0}
.crumbs a{color:var(--gray)}

/* ---- responsive ---- */
@media(max-width:900px){
  .grid-3,.why,.reviews,.gallery{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .area-list{columns:2}
}
@media(max-width:640px){
  section{padding:48px 0}
  .nav-links{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;flex-direction:column;padding:16px 20px;gap:6px;border-bottom:1px solid var(--line)}
  .nav-links.open{display:flex}
  .nav-links a{padding:10px 0;width:100%;border-bottom:1px solid var(--bg2)}
  .menu-btn{display:block}
  .grid-3,.why,.reviews,.gallery,.steps{grid-template-columns:1fr}
  .area-list{columns:1}
  .mobile-bar{display:flex}
  body{padding-bottom:56px}
  .hero-inner{padding:56px 20px 52px}
}