/* ===========================================================================
   St. Charles Concrete Pros — stylesheet
   Mobile-first, fast, conversion-focused. No external dependencies.
   =========================================================================== */
:root{
  --slate:#16324f; --slate-2:#0d2137; --slate-3:#274b6d;
  --accent:#f59e0b; --accent-dark:#d97706;
  --ink:#1a2230; --muted:#5b6472; --line:#e4e7ec;
  --bg:#ffffff; --bg-alt:#f5f6f8; --bg-dark:#0a1a2c;
  --ok:#1f9d55;
  --radius:12px; --radius-sm:8px;
  --shadow:0 8px 30px rgba(17,24,39,.10);
  --shadow-lg:0 20px 50px rgba(17,24,39,.18);
  --wrap:1160px;
  --sans:"Segoe UI",system-ui,-apple-system,Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--sans);color:var(--ink);background:var(--bg);line-height:1.65;-webkit-font-smoothing:antialiased;font-size:17px}
img{max-width:100%;height:auto;display:block}
a{color:var(--accent-dark);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{line-height:1.18;color:var(--slate-2);margin:.2em 0 .5em;font-weight:800;letter-spacing:-.01em}
h1{font-size:clamp(1.8rem,4.4vw,3rem)}
h2{font-size:clamp(1.5rem,3.2vw,2.15rem)}
h3{font-size:clamp(1.2rem,2vw,1.5rem)}
p{margin:0 0 1rem}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 1.1rem}
.eyebrow{text-transform:uppercase;letter-spacing:.13em;font-size:.78rem;font-weight:800;color:var(--accent-dark);margin:0 0 .5rem}
.skip-link{position:absolute;left:-999px;top:0;background:var(--accent);color:#fff;padding:.6rem 1rem;z-index:200}
.skip-link:focus{left:0}

/* ---- Buttons ---- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.4rem;
  font-weight:800;font-size:1rem;padding:.85rem 1.4rem;border-radius:var(--radius-sm);
  border:2px solid transparent;cursor:pointer;transition:transform .08s ease,box-shadow .15s ease,background .15s;
  text-decoration:none;line-height:1.1}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 6px 18px rgba(245,158,11,.35)}
.btn-accent:hover{background:var(--accent-dark);color:#fff}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff}
.section-alt .btn-ghost,.prose .btn-ghost{color:var(--slate-2);border-color:var(--slate-3)}
.section-alt .btn-ghost:hover,.prose .btn-ghost:hover{background:var(--slate);color:#fff}
.btn-lg{font-size:1.08rem;padding:1rem 1.7rem}
.btn-block{width:100%}

/* ---- Header ---- */
.site-header{position:sticky;top:0;z-index:100;background:var(--slate);color:#fff;box-shadow:0 2px 12px rgba(0,0,0,.18)}
.header-inner{display:flex;align-items:center;gap:1rem;min-height:66px}
.brand{display:flex;align-items:center;gap:.6rem;color:#fff;font-size:1.12rem}
.brand:hover{text-decoration:none}
.brand-mark{background:var(--accent);color:#fff;font-weight:900;letter-spacing:.02em;
  padding:.35rem .5rem;border-radius:6px;font-size:.95rem}
.brand-text strong{font-weight:900}
.main-nav{display:none;margin-left:auto;align-items:center;gap:.3rem}
.main-nav>a,.nav-drop-btn{color:#e8eaee;font-weight:700;font-size:.96rem;padding:.6rem .7rem;
  background:none;border:0;cursor:pointer;font-family:inherit;border-radius:6px}
.main-nav>a:hover,.nav-drop-btn:hover{color:#fff;background:rgba(255,255,255,.08);text-decoration:none}
.nav-drop{position:relative}
.nav-drop-menu{position:absolute;top:100%;right:0;min-width:250px;background:#fff;border-radius:10px;
  box-shadow:var(--shadow-lg);padding:.4rem;display:none;flex-direction:column;z-index:120}
.nav-drop:hover .nav-drop-menu,.nav-drop:focus-within .nav-drop-menu{display:flex}
.nav-drop-menu a{color:var(--ink);padding:.55rem .7rem;border-radius:6px;font-size:.92rem;font-weight:600}
.nav-drop-menu a:hover{background:var(--bg-alt);text-decoration:none;color:var(--accent-dark)}
.header-phone{margin-left:.4rem;display:flex;flex-direction:column;align-items:flex-end;line-height:1.05;color:#fff}
.header-phone:hover{text-decoration:none}
.header-phone-label{font-size:.66rem;text-transform:uppercase;letter-spacing:.1em;color:var(--accent)}
.header-phone-num{font-weight:900;font-size:1.12rem}
.header-cta{margin-left:auto;padding:.55rem 1.05rem;font-size:.95rem;white-space:nowrap}
@media(min-width:900px){.header-cta{margin-left:.5rem}}

/* ---- Hero ---- */
.hero{background:linear-gradient(150deg,var(--slate-2) 0%,var(--slate) 55%,var(--slate-3) 100%);
  color:#fff;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;opacity:.10;
  background-image:linear-gradient(335deg,transparent 45%,rgba(245,158,11,.9) 46%,rgba(245,158,11,.9) 54%,transparent 55%),
  repeating-linear-gradient(0deg,rgba(255,255,255,.05) 0 1px,transparent 1px 42px);
  pointer-events:none}
.hero-inner{position:relative;display:grid;gap:2rem;padding:2.6rem 1.1rem 3rem}
.hero-copy h1{color:#fff}
.hero-lead{font-size:1.12rem;color:#d6dae1;max-width:56ch}
.hero-points{list-style:none;padding:0;margin:1rem 0 1.4rem;display:grid;gap:.35rem}
.hero-points li{color:#eef0f3;font-weight:600}
.hero-actions{display:flex;flex-wrap:wrap;gap:.7rem}
.center-actions{justify-content:center}

/* ---- Lead form card ---- */
.lead-card{background:#fff;color:var(--ink);border-radius:var(--radius);box-shadow:var(--shadow-lg);
  padding:1.4rem 1.3rem;border-top:5px solid var(--accent)}
.lead-title{margin:0 0 .2rem;font-size:1.35rem}
.lead-sub{margin:0 0 1rem;color:var(--muted);font-size:.94rem}
.lead-form .field{margin-bottom:.7rem}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:.7rem}
.lead-form label{display:block;font-size:.82rem;font-weight:700;color:var(--slate-3);margin-bottom:.25rem}
.lead-form input,.lead-form select,.lead-form textarea{width:100%;padding:.7rem .8rem;border:1.5px solid var(--line);
  border-radius:var(--radius-sm);font-size:1rem;font-family:inherit;background:#fff;color:var(--ink)}
.lead-form input:focus,.lead-form select:focus,.lead-form textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(245,158,11,.18)}
.lead-form textarea{resize:vertical}
.lead-form .btn{margin-top:.4rem}
.lead-fineprint{margin:.7rem 0 0;font-size:.82rem;color:var(--muted);text-align:center}

/* ---- Trust bar ---- */
.trust-bar{background:var(--bg-dark);color:#fff}
.trust-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:.6rem;padding:1.1rem 1.1rem}
.trust-item{display:flex;flex-direction:column;align-items:center;text-align:center;padding:.4rem}
.trust-num{font-size:1.35rem;font-weight:900;color:var(--accent)}
.trust-lbl{font-size:.8rem;color:#c6cbd3;letter-spacing:.02em}

/* ---- Sections ---- */
.section{padding:3rem 0}
.section-alt{background:var(--bg-alt)}
.section-head{text-align:center;max-width:760px;margin:0 auto 1.8rem}
.section-intro{color:var(--muted);font-size:1.05rem}

/* ---- Cards grid (services) ---- */
.card-grid{display:grid;grid-template-columns:1fr;gap:1rem}
.svc-card{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:1.4rem;box-shadow:0 2px 10px rgba(17,24,39,.05);transition:transform .12s,box-shadow .15s,border-color .15s;color:var(--ink)}
.svc-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:var(--accent);text-decoration:none}
.svc-icon{display:inline-flex;align-items:center;justify-content:center;width:52px;height:52px;
  margin-bottom:.7rem;border-radius:10px;background:rgba(245,158,11,.12);color:var(--accent-dark)}
.svc-card:hover .svc-icon{background:var(--accent);color:#fff}
.svc-svg{display:block}
.trust-star{color:#f6a609}
.svc-card h3{margin:.1rem 0 .35rem}
.svc-card p{color:var(--muted);font-size:.95rem;margin:0 0 .6rem}
.svc-link{color:var(--accent-dark);font-weight:800;font-size:.92rem}

/* ---- CTA band ---- */
.cta-band{background:linear-gradient(120deg,var(--accent) 0%,var(--accent-dark) 100%);color:#fff}
.cta-band-inner{display:grid;gap:1.1rem;padding:2rem 1.1rem;align-items:center}
.cta-band h2{color:#fff;margin:0 0 .2rem}
.cta-band p{margin:0;color:#fff3ec}
.cta-band-actions{display:flex;flex-wrap:wrap;gap:.7rem}
.cta-band .btn-accent{background:#fff;color:var(--accent-dark)}
.cta-band .btn-accent:hover{background:#0f1420;color:#fff}
.cta-band .btn-ghost{border-color:rgba(255,255,255,.7);color:#fff}

/* ---- Prose ---- */
.prose{max-width:820px;margin:0 auto}
.prose.center{text-align:center}
.prose h2{margin-top:0}
.prose h3{margin-top:1.8rem}
.prose-list,.check-list{margin:0 0 1.2rem;padding-left:0;list-style:none}
.prose-list{counter-reset:step;padding-left:0}
.prose-list li{position:relative;padding:.35rem 0 .35rem 2.4rem;counter-increment:step}
.prose-list li::before{content:counter(step);position:absolute;left:0;top:.35rem;background:var(--accent);color:#fff;
  width:1.7rem;height:1.7rem;border-radius:50%;display:grid;place-items:center;font-weight:800;font-size:.9rem}
.check-list{display:grid;gap:.5rem}
.check-list li{position:relative;padding-left:1.9rem}
.check-list li::before{content:"✓";position:absolute;left:0;top:0;color:var(--ok);font-weight:900}
.inline-cta{display:flex;flex-wrap:wrap;gap:1rem;align-items:center;justify-content:space-between;
  background:var(--slate);color:#fff;border-radius:var(--radius);padding:1.2rem 1.4rem;margin:1.8rem 0}
.inline-cta strong{display:block;font-size:1.1rem}
.inline-cta span{color:#c6cbd3;font-size:.92rem}

/* ---- FAQ ---- */
.faq details{border:1px solid var(--line);border-radius:var(--radius-sm);margin-bottom:.6rem;background:#fff;overflow:hidden}
.faq summary{cursor:pointer;padding:.95rem 1.1rem;font-weight:700;color:var(--slate-2);list-style:none;position:relative;padding-right:2.4rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:1.1rem;top:.85rem;font-size:1.3rem;color:var(--accent);font-weight:800}
.faq details[open] summary::after{content:"–"}
.faq .faq-a{padding:0 1.1rem 1rem;color:var(--muted)}
.faq .faq-a p{margin:0}

/* ---- Reviews ---- */
.reviews-grid{display:grid;gap:1rem;grid-template-columns:1fr}
.review{margin:0;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.3rem;box-shadow:0 2px 10px rgba(17,24,39,.05)}
.review .stars{color:#f6a609;font-size:1.1rem;letter-spacing:.1em;margin-bottom:.5rem}
.review p{font-style:italic;color:var(--slate-3)}
.review cite{font-style:normal;font-weight:700;color:var(--slate-2);font-size:.9rem}

/* ---- Area chips ---- */
.area-chips{list-style:none;padding:0;margin:1rem 0 0;display:flex;flex-wrap:wrap;gap:.55rem}
.area-chips a{display:inline-block;background:#fff;border:1px solid var(--line);border-radius:100px;
  padding:.5rem .95rem;font-size:.9rem;font-weight:600;color:var(--slate-3)}
.area-chips a:hover{background:var(--accent);color:#fff;border-color:var(--accent);text-decoration:none}

/* ---- Page hero (service/location) ---- */
.page-hero{background:linear-gradient(150deg,var(--slate-2),var(--slate));color:#fff;padding:1.6rem 0 2.4rem}
.page-hero h1{color:#fff}
.crumbs{font-size:.85rem;color:#aab1bd;margin-bottom:1rem}
.crumbs a{color:#d6dae1}
.page-hero-grid{display:grid;gap:2rem}

/* ---- Blog ---- */
.post-grid{display:grid;gap:1rem;grid-template-columns:1fr}
.post-card{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:1.5rem;box-shadow:0 2px 10px rgba(17,24,39,.05);color:var(--ink);
  transition:transform .12s,box-shadow .15s,border-color .15s}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:var(--accent);text-decoration:none}
.post-date{display:block;font-size:.78rem;font-weight:700;letter-spacing:.08em;color:var(--muted);
  text-transform:uppercase;margin-bottom:.4rem}
.post-card h2,.post-card h3{font-size:1.15rem;margin:.1rem 0 .5rem;line-height:1.35}
.post-card p{color:var(--muted);font-size:.94rem;margin:0 0 .7rem}
.post-body h2{margin-top:2rem;font-size:1.45rem}
.post-body ul{padding-left:1.2rem;margin:0 0 1.2rem}
.post-body ul li{margin:.35rem 0}
.footer-h4-gap{margin-top:1.4rem}
@media(min-width:640px){.post-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:900px){.post-grid{grid-template-columns:repeat(3,1fr)}}

/* ---- Contact split ---- */
.contact-split{display:grid;gap:2rem}
.contact-list{list-style:none;padding:0;margin:1rem 0 0;display:grid;gap:.5rem}
.contact-list li{padding-left:0}

/* ---- Thank you ---- */
.thankyou{padding:4rem 0}
.ty-check{width:80px;height:80px;border-radius:50%;background:var(--ok);color:#fff;font-size:2.6rem;
  display:grid;place-items:center;margin:0 auto 1.2rem;box-shadow:0 10px 30px rgba(31,157,85,.35)}

/* ---- Footer ---- */
.site-footer{background:var(--slate-2);color:#c6cbd3;padding-top:2.6rem;margin-top:0}
.footer-grid{display:grid;gap:1.8rem;grid-template-columns:1fr}
.footer-brand{margin-bottom:.8rem}
.footer-brand .brand-text{color:#fff}
.footer-about{font-size:.92rem;line-height:1.6}
.footer-nap{font-size:.9rem;line-height:1.9}
.footer-nap a,.footer-col a{color:#c6cbd3}
.footer-nap a:hover,.footer-col a:hover{color:var(--accent)}
.footer-col h4{color:#fff;font-size:1rem;margin:0 0 .7rem;text-transform:uppercase;letter-spacing:.05em}
.footer-col ul{list-style:none;padding:0;margin:0;display:grid;gap:.4rem}
.footer-col ul a{font-size:.92rem}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:2rem;padding:1.1rem 0;font-size:.82rem}
.footer-bottom-inner{display:grid;gap:.3rem;text-align:center}

/* ---- Mobile sticky call bar ---- */
.mobile-call-bar{position:fixed;left:0;right:0;bottom:0;z-index:90;background:var(--accent);color:#fff;
  text-align:center;font-weight:800;padding:.9rem;box-shadow:0 -3px 16px rgba(0,0,0,.2)}
.mobile-call-bar:hover{background:var(--accent-dark);color:#fff;text-decoration:none}
body{padding-bottom:56px}

/* ===========================================================================
   Responsive
   =========================================================================== */
@media(min-width:640px){
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .reviews-grid{grid-template-columns:repeat(3,1fr)}
  .trust-grid{grid-template-columns:repeat(4,1fr)}
  .footer-bottom-inner{grid-template-columns:1fr auto;text-align:left}
}
@media(min-width:900px){
  .main-nav{display:flex}
  .mobile-call-bar{display:none}
  body{padding-bottom:0}
  .hero-inner{grid-template-columns:1.05fr .95fr;align-items:center;padding:3.4rem 1.1rem 3.8rem}
  .card-grid{grid-template-columns:repeat(3,1fr)}
  .cta-band-inner{grid-template-columns:1fr auto}
  .page-hero-grid{grid-template-columns:1.05fr .95fr;align-items:start}
  .contact-split{grid-template-columns:1fr 1fr;align-items:start}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr}
}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}