/*
  benefitsofdryerventcleaning.com
  Mobile-first, performance-first CSS (no frameworks).
*/

:root{
  --bg: #0b1220;
  --surface: #0f1b33;
  --card: #101f3d;
  --text: #e9eefb;
  --muted: #b7c5e8;
  --brand: #6aa7ff;
  --brand-2: #7cf7d4;
  --warn: #ffcc66;
  --ok: #7cf7d4;
  --danger: #ff6a7a;
  --shadow: 0 10px 30px rgba(0,0,0,.28);
  --radius: 16px;
  --radius-sm: 12px;
  --max: 1100px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  color:var(--text);
  background: radial-gradient(1200px 700px at 20% 0%, rgba(106,167,255,.20), transparent 60%),
              radial-gradient(900px 550px at 90% 20%, rgba(124,247,212,.18), transparent 55%),
              var(--bg);
  line-height:1.55;
}
img{max-width:100%; height:auto}

a{color:inherit; text-decoration:none}
a:hover{text-decoration:underline}

.container{max-width:var(--max); margin:0 auto; padding:0 18px}

.skip-link{
  position:absolute; left:-999px; top:auto; width:1px; height:1px; overflow:hidden;
}
.skip-link:focus{
  left:18px; top:18px; width:auto; height:auto; padding:10px 12px;
  background:#fff; color:#111; border-radius:10px; z-index:9999;
}

/* Header */
.site-header{
  position:sticky; top:0; z-index:50;
  backdrop-filter: blur(10px);
  background: rgba(11,18,32,.65);
  border-bottom: 1px solid rgba(183,197,232,.12);
}
.header-inner{
  display:flex; align-items:center; justify-content:space-between;
  padding:12px 0;
}
.brand{
  display:flex; align-items:center; gap:10px;
  font-weight:800;
  letter-spacing:.2px;
}
.brand svg{width:34px; height:34px; flex:0 0 34px}
.brand small{display:block; font-weight:650; color:var(--muted); letter-spacing:0}

.nav-toggle{
  border:1px solid rgba(183,197,232,.18);
  background:rgba(15,27,51,.75);
  color:var(--text);
  border-radius:12px;
  padding:10px 12px;
  display:flex; align-items:center; gap:8px;
}
.nav-toggle span{font-weight:700}

.nav{
  position:fixed; inset:64px 12px auto 12px;
  background: rgba(15,27,51,.96);
  border:1px solid rgba(183,197,232,.12);
  border-radius: 18px;
  box-shadow: var(--shadow);
  padding:14px;
  transform: translateY(-12px);
  opacity:0;
  pointer-events:none;
  transition: opacity .18s ease, transform .18s ease;
}
.nav.open{opacity:1; transform: translateY(0); pointer-events:auto}
.nav ul{list-style:none; padding:0; margin:0; display:grid; gap:6px}
.nav a{
  display:flex; align-items:center; justify-content:space-between;
  padding:12px 12px;
  border-radius: 12px;
  background: rgba(16,31,61,.55);
  border:1px solid rgba(183,197,232,.10);
  font-weight:700;
}
.nav a:hover{text-decoration:none; border-color:rgba(106,167,255,.40)}

.header-ctas{display:none; gap:10px; align-items:center}

.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding:12px 14px;
  border-radius: 999px;
  font-weight:800;
  border: 1px solid rgba(183,197,232,.18);
  background: rgba(16,31,61,.62);
  box-shadow: 0 8px 20px rgba(0,0,0,.18);
}
.btn:hover{text-decoration:none; border-color: rgba(106,167,255,.55)}
.btn.primary{
  background: linear-gradient(135deg, rgba(106,167,255,1), rgba(124,247,212,1));
  color:#07101f;
  border-color: transparent;
}
.btn.primary:hover{filter:saturate(1.05) brightness(1.02)}
.btn.ghost{background:transparent}

.badge{
  display:inline-flex; align-items:center; gap:8px;
  padding:8px 12px;
  border-radius: 999px;
  border:1px solid rgba(183,197,232,.18);
  background: rgba(15,27,51,.55);
  color: var(--muted);
  font-weight:700;
  font-size:.95rem;
}

/* Hero */
.hero{padding:34px 0 22px}
.hero-grid{display:grid; gap:18px; align-items:center}
.h1{
  font-size: clamp(1.9rem, 5.5vw, 3.0rem);
  line-height:1.12;
  margin:10px 0 10px;
}
.lede{font-size:1.06rem; color:var(--muted); margin:0 0 14px}
.hero-actions{display:flex; flex-wrap:wrap; gap:10px; margin:12px 0 10px}
.hero-note{display:flex; gap:10px; flex-wrap:wrap; margin-top:10px}

.hero-media{
  border-radius: 22px;
  overflow:hidden;
  border:1px solid rgba(183,197,232,.12);
  box-shadow: var(--shadow);
  background: rgba(16,31,61,.35);
}
.hero-media picture, .hero-media img{display:block}

.kpis{display:grid; grid-template-columns:1fr 1fr; gap:10px; margin-top:14px}
.kpi{
  padding:12px;
  border-radius: var(--radius-sm);
  border:1px solid rgba(183,197,232,.12);
  background: rgba(16,31,61,.35);
}
.kpi strong{display:block; font-size:1.1rem}
.kpi span{color:var(--muted); font-weight:650}

/* Sections */
.section{padding:26px 0}
.section h2{font-size: clamp(1.35rem, 3.6vw, 2rem); margin:0 0 10px; line-height:1.2}
.section p{margin:0 0 10px; color:var(--muted)}

.cards{display:grid; gap:12px; margin-top:12px}
.card{
  border-radius: var(--radius);
  border:1px solid rgba(183,197,232,.12);
  background: rgba(16,31,61,.38);
  box-shadow: 0 10px 24px rgba(0,0,0,.18);
  padding:16px;
}
.card h3{margin:0 0 8px; font-size:1.12rem}
.card p{margin:0 0 10px}
.icon{
  width:44px; height:44px;
  border-radius: 14px;
  display:grid; place-items:center;
  background: rgba(106,167,255,.18);
  border: 1px solid rgba(106,167,255,.32);
  margin-bottom:10px;
}
.icon img{width:24px; height:24px}

.split{display:grid; gap:16px; align-items:start}
.split .media{
  border-radius: var(--radius);
  overflow:hidden;
  border:1px solid rgba(183,197,232,.12);
  box-shadow: var(--shadow);
}
.split .media img{display:block}

.list{
  margin:10px 0 0;
  padding-left: 18px;
  color: var(--muted);
}
.list li{margin:8px 0}

.callout{
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(106,167,255,.14), rgba(124,247,212,.10));
  border:1px solid rgba(183,197,232,.14);
  padding:16px;
}
.callout p{color:var(--text)}

/* Footer */
.site-footer{
  border-top:1px solid rgba(183,197,232,.12);
  padding:22px 0 28px;
  background: rgba(11,18,32,.65);
}
.footer-grid{display:grid; gap:14px}
.footer-grid p{color:var(--muted); margin:0 0 8px}
.footer-links{display:flex; flex-wrap:wrap; gap:10px}
.footer-links a{color:var(--muted); font-weight:700}
.footer-links a:hover{color:var(--text)}

.small{font-size:.95rem; color:var(--muted)}

/* Tables */
.table{
  width:100%;
  border-collapse: collapse;
  overflow:hidden;
  border-radius: var(--radius);
  border:1px solid rgba(183,197,232,.12);
}
.table th, .table td{padding:12px; border-bottom:1px solid rgba(183,197,232,.12); text-align:left}
.table th{background: rgba(16,31,61,.58)}
.table tr:last-child td{border-bottom:0}

/* Responsive */
@media (min-width: 860px){
  .nav-toggle{display:none}
  .nav{
    position:static; inset:auto; transform:none; opacity:1; pointer-events:auto;
    background: transparent; border:0; box-shadow:none; padding:0;
  }
  .nav ul{display:flex; gap:10px; align-items:center}
  .nav a{background:transparent; border:0; padding:10px 10px; font-weight:800; color:var(--muted)}
  .nav a:hover{color:var(--text); text-decoration:none}
  .header-ctas{display:flex}

  .hero{padding:46px 0 26px}
  .hero-grid{grid-template-columns: 1.05fr .95fr; gap:18px}
  .kpis{grid-template-columns:1fr 1fr}

  .cards{grid-template-columns: repeat(3, 1fr)}
  .split{grid-template-columns: 1fr 1fr}
  .footer-grid{grid-template-columns: 1.2fr .8fr}
}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  .nav{transition:none}
}

/*
  Components used by the page templates
  (added as overrides so markup stays clean and consistent).
*/

.hero{display:grid; gap:18px; align-items:center}
.kicker{
  display:inline-flex; align-items:center; gap:8px;
  font-weight:900;
  text-transform:uppercase;
  letter-spacing:.14em;
  font-size:.78rem;
  color:var(--brand-2);
  margin:0 0 10px;
}

.hero-cta{display:flex; flex-wrap:wrap; gap:10px; margin:12px 0 10px}
.fineprint{color:var(--muted); margin:10px 0 0; font-size:.95rem}

.grid-2, .grid-3{display:grid; gap:12px; margin-top:12px}

/* Numbered steps */
.steps{margin:12px 0 0; padding-left: 18px; color:var(--text)}
.steps li{margin:12px 0; padding:12px 12px; border-radius: 14px; background: rgba(16,31,61,.45); border:1px solid rgba(183,197,232,.12)}
.steps li p{margin:8px 0 0; color:var(--muted)}

/* FAQ details */
details.faq{margin:10px 0; border-radius: 14px; background: rgba(16,31,61,.45); border:1px solid rgba(183,197,232,.12); overflow:hidden}
details.faq summary{cursor:pointer; padding:14px 14px; font-weight:900; color:var(--text); list-style:none}
details.faq summary::-webkit-details-marker{display:none}
details.faq > div{padding:0 14px 14px}
details.faq p{margin:0; color:var(--muted)}

/* Footer list reset */
.footer-links{list-style:none; padding:0; margin:0}
.footer-links li{margin:0}

@media (min-width: 860px){
  .hero{grid-template-columns: 1.05fr .95fr}
  .grid-2{grid-template-columns: 1fr 1fr}
  .grid-3{grid-template-columns: repeat(3, 1fr)}
}

/* CTA section treatment */
.section.cta{
  border-radius: var(--radius);
  padding:20px;
  background: linear-gradient(135deg, rgba(106,167,255,.16), rgba(124,247,212,.10));
  border:1px solid rgba(183,197,232,.14);
}
.section.cta p{color:var(--text)}

.muted{color:var(--muted)}

/* Checklist list style (benefits page) */
.checklist{list-style:none; padding:0; margin:12px 0 0; display:grid; gap:10px}
.checklist li{padding:12px 12px; border-radius:14px; background: rgba(16,31,61,.45); border:1px solid rgba(183,197,232,.12); color:var(--muted)}
.checklist li strong{color:var(--text)}

/* Footer list variant (legacy) */
.footer-list{list-style:none; padding:0; margin:0; display:grid; gap:8px}
.footer-list a{color:var(--muted); font-weight:700}
.footer-list a:hover{color:var(--text)}