:root{
  --brand:#16A34A;
  --brand-600:#15803D;
  --brand-50:#ECFDF5;
  --brand-100:#DCFCE7;
  --ink:#0B1220;
  --muted:#6B7280;
  --muted-2:#9CA3AF;
  --bg:#F6F8FB;
  --card:#FFFFFF;
  --border:#E5E7EB;
  --dark:#0F172A;
  --radius:14px;
  --shadow:0 10px 30px rgba(11,18,32,0.08);
  --shadow-lg:0 24px 60px rgba(11,18,32,0.14);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter,system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;
  color:var(--ink);
  background:#fff;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
.hidden{display:none !important}
.text-center{text-align:center}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:11px;border:1px solid transparent;padding:13px 20px;
  font-weight:700;font-size:15px;cursor:pointer;text-decoration:none;transition:.18s ease
}
.btn-primary{background:var(--brand);color:#fff;border-color:var(--brand)}
.btn-primary:hover{background:var(--brand-600);border-color:var(--brand-600);transform:translateY(-1px)}
.btn-outline{background:#fff;color:var(--brand);border-color:var(--brand)}
.btn-outline:hover{background:var(--brand-50)}
.btn-dark{background:var(--dark);color:#fff;border-color:var(--dark)}
.btn-dark:hover{opacity:.92}
.btn-light{background:#fff;color:var(--dark);border-color:#fff}
.btn-light:hover{background:#F1F5F9}
.btn-lg{padding:16px 26px;font-size:16px}
.btn-block{width:100%}

/* ---- Topbar ---------- */
.topbar{background:var(--dark);color:#fff;font-size:14px;padding:9px 0;text-align:center}
.topbar a{color:#fff;text-decoration:none;font-weight:700}

/* ---- Header ---------- */
header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.95);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border)
}
.header{height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none}
.brand-badge{
  width:42px;height:42px;border-radius:11px;background:var(--brand);
  display:flex;align-items:center;justify-content:center;color:#fff;
  font-weight:800;font-size:15px;letter-spacing:.35px
}
.brand-title{font-weight:800;font-size:21px;letter-spacing:.2px}
.brand-sub{display:block;font-size:11px;font-weight:600;color:var(--muted);letter-spacing:.3px;margin-top:-2px}
nav{display:flex;gap:26px}
nav a{text-decoration:none;font-weight:700;font-size:13px;color:#374151;text-transform:uppercase;letter-spacing:.6px}
nav a:hover,nav a.active{color:var(--brand)}
.header-cta{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.tel{font-weight:800;text-decoration:none;white-space:nowrap}
.burger{display:none;background:none;border:1px solid var(--border);border-radius:10px;width:44px;height:44px;font-size:20px;cursor:pointer}

/* ---- Hero ---------- */
.hero{position:relative;min-height:78vh;display:flex;align-items:center;color:#fff;isolation:isolate;overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:0;z-index:-2;
  background:url('../img/hero-cleaner.jpg') center/cover no-repeat;
  filter:grayscale(6%) brightness(0.62)
}
.hero::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(90deg, rgba(15,23,42,.72) 0%, rgba(15,23,42,.4) 55%, rgba(15,23,42,.06) 100%)
}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;padding:60px 0}
.badge{
  display:inline-flex;gap:10px;align-items:center;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);
  color:#E5E7EB;border-radius:999px;padding:8px 13px;
  font-weight:800;font-size:12px;letter-spacing:.6px;text-transform:uppercase
}
.dot{width:8px;height:8px;border-radius:50%;background:#22C55E;box-shadow:0 0 0 4px rgba(34,197,94,.25)}
.hero h1{margin:16px 0 10px;font-size:48px;line-height:1.12;font-weight:800}
.lead{color:#E5E7EB;font-size:18px;max-width:640px;margin:0 0 22px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:8px}
.stats{margin-top:30px;display:flex;gap:34px;flex-wrap:wrap;color:#E5E7EB}
.stat .num{font-weight:800;font-size:26px;color:#fff}
.stat .lbl{font-size:12px;letter-spacing:.3px;opacity:.85}

.hero-card{
  background:#fff;color:var(--ink);border:1px solid var(--border);
  border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-lg)
}
.hero-card h3{margin:0 0 4px;font-size:18px}
.hero-sub{margin:0 0 12px;color:var(--muted);font-size:13px}
.hero-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.hero-list li{
  display:flex;justify-content:space-between;align-items:center;gap:10px;
  padding:12px 14px;border:1px solid var(--border);border-radius:11px;background:#FAFBFF
}
.hero-list .nm{font-weight:600;font-size:14px}
.hero-list .pr{font-weight:800;color:var(--brand);white-space:nowrap;font-size:14px}
.hint{display:inline-block;margin-bottom:12px;font-size:12px;color:#4B5563;background:#F0FDF4;padding:6px 11px;border-radius:999px;font-weight:700}

/* ---- Sections ---------- */
section{padding:88px 0}
.section-head{margin-bottom:40px;max-width:820px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.tag{
  display:inline-block;background:var(--brand-50);color:#065F46;
  padding:7px 12px;border-radius:999px;font-weight:800;font-size:12px;
  letter-spacing:.6px;text-transform:uppercase
}
.title{font-size:38px;line-height:1.18;margin:14px 0 8px;font-weight:800;letter-spacing:-.5px}
.desc{font-size:17px;color:var(--muted);max-width:760px}
.center .desc{margin-left:auto;margin-right:auto}

/* ---- Benefits ---------- */
.benefits{background:var(--bg)}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.benefit{background:var(--card);border:1px solid var(--border);border-radius:13px;padding:22px;transition:.18s}
.benefit:hover{box-shadow:var(--shadow);transform:translateY(-3px);border-color:#BEE3C8}
.benefit h3{margin:0 0 6px;font-size:16px}
.benefit p{margin:0;color:var(--muted);font-size:14px}
.i{width:44px;height:44px;border-radius:12px;background:var(--brand-50);display:flex;align-items:center;justify-content:center;margin-bottom:12px}
.i svg{color:var(--brand)}

/* ---- Services ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{background:#fff;border:1px solid var(--border);border-radius:14px;overflow:hidden;transition:.18s;display:flex;flex-direction:column}
.card:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px)}
.thumb{aspect-ratio:16/9;background:#F3F4F6;object-fit:cover;width:100%}
.card-body{padding:20px;display:flex;flex-direction:column;flex:1}
.card h3{margin:0 0 4px;font-size:18px}
.card .note{color:var(--muted);font-size:13px}
.price{font-weight:800;color:var(--brand);margin:8px 0 2px;font-size:17px}
.check{list-style:none;margin:12px 0 16px;padding:0;display:flex;flex-direction:column;gap:9px}
.check li{font-size:14px;color:#374151;display:flex;align-items:center;gap:9px}
.check li::before{content:"";flex:0 0 auto;width:18px;height:18px;border-radius:50%;background:var(--brand-100);border:2px solid var(--brand)}
.card .btn{margin-top:auto}

/* ---- Prices ---------- */
.prices{background:var(--bg)}
.ptable{background:#fff;border:1px solid var(--border);border-radius:14px;overflow:hidden}
.ptable-head{
  display:grid;grid-template-columns:1fr 180px;background:var(--dark);color:#fff;
  padding:15px 20px;font-weight:800;font-size:13px;letter-spacing:.55px;text-transform:uppercase
}
.prow{display:grid;grid-template-columns:1fr 180px;gap:12px;align-items:center;padding:15px 20px;border-top:1px solid var(--border)}
.prow:hover{background:#FAFBFF}
.pname{font-weight:600}
.pval{font-weight:800;color:var(--brand);text-align:right;white-space:nowrap}
.ptable-foot{padding:14px 20px;background:var(--brand-50);color:#065F46;font-size:13px;border-top:1px solid var(--border)}
.prices-note{margin-top:16px;font-size:13px;color:var(--muted);text-align:center}

/* ---- How ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.step{background:#fff;border:1px solid var(--border);border-radius:14px;padding:22px;position:relative}
.step::after{content:"→";position:absolute;right:-16px;top:50%;transform:translateY(-50%);color:#BEC5D0;font-weight:800;font-size:20px;z-index:1}
.step:last-child::after{content:""}
.sn{width:46px;height:46px;border-radius:13px;background:var(--brand-50);color:#065F46;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:18px;margin-bottom:12px}
.step h4{margin:0 0 6px;font-size:16px}
.step p{margin:0;color:var(--muted);font-size:14px}

/* ---- FAQ ---------- */
.faq{max-width:900px}
.faq details{background:#fff;border:1px solid var(--border);border-radius:12px;padding:14px 16px;margin-bottom:10px}
.faq summary{cursor:pointer;font-weight:700;font-size:15px;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";float:right;color:var(--brand);font-size:20px;font-weight:800}
.faq details[open] summary::after{content:"–"}
.faq p{color:#475569;margin:10px 0 0;font-size:14px}

/* ---- Blog ---------- */
.blog{background:var(--bg)}
.blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.post-card{background:#fff;border:1px solid var(--border);border-radius:14px;overflow:hidden;text-decoration:none;color:inherit;display:flex;flex-direction:column;transition:.18s}
.post-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px)}
.post-card .pthumb{aspect-ratio:16/9;object-fit:cover;width:100%;background:#F3F4F6}
.post-body{padding:18px 20px;display:flex;flex-direction:column;flex:1}
.post-cat{align-self:flex-start;background:var(--brand-50);color:#065F46;font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.5px;padding:5px 10px;border-radius:999px;margin-bottom:10px}
.post-body h3{margin:0 0 8px;font-size:17px;line-height:1.35}
.post-ex{color:var(--muted);font-size:14px;margin:0 0 14px;flex:1;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.post-meta{display:flex;justify-content:space-between;font-size:12px;color:var(--muted-2);border-top:1px solid var(--border);padding-top:12px}

/* ---- CTA band ---------- */
.cta-band{background:linear-gradient(120deg,#0F172A 0%,#16213a 100%);color:#fff;border-radius:18px;padding:44px;display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap}
.cta-band h3{margin:0 0 8px;font-size:26px}
.cta-band p{margin:0;color:#CBD5E1}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

.section-cta{padding:0 0 88px}

/* ---- Contacts ---------- */
.contacts .grid-2{display:grid;grid-template-columns:1.02fr .98fr;gap:24px}
.cards{display:flex;flex-direction:column;gap:12px}
.contact{display:flex;gap:14px;align-items:center;background:#fff;border:1px solid var(--border);border-radius:12px;padding:15px;text-decoration:none;color:inherit;transition:.18s}
.contact:hover{border-color:var(--brand);box-shadow:var(--shadow);transform:translateX(3px)}
.cico{width:44px;height:44px;border-radius:12px;background:var(--brand-50);display:flex;align-items:center;justify-content:center;flex:0 0 auto}
.cmeta{font-size:12px;color:var(--muted)}
.cval{font-weight:800}
.hours{display:flex;gap:14px;align-items:center;background:#fff;border:1px solid var(--border);border-radius:12px;padding:15px}

/* ---- Form ---------- */
.form{background:#fff;border:1px solid var(--border);border-radius:14px;padding:22px}
.form h3{margin:0 0 4px}
.form .form-sub{margin:0 0 16px;color:var(--muted);font-size:13px}
.frow{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.fg{display:flex;flex-direction:column;gap:6px;margin-bottom:12px}
label{font-size:13px;font-weight:700;color:#111827}
input,select,textarea{border:1.5px solid var(--border);border-radius:11px;padding:11px 12px;font-family:inherit;font-size:14px;background:#FAFBFF;outline:none;transition:.18s;width:100%}
input:focus,select:focus,textarea:focus{border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(22,163,74,.12)}
textarea{min-height:96px;resize:vertical}
.form small{display:block;margin-top:10px;color:var(--muted);font-size:12px}
.form-success{display:none;background:var(--brand-50);color:#065F46;border:1px solid var(--brand-100);border-radius:11px;padding:14px;font-size:15px;font-weight:700;margin-bottom:12px}

/* ---- Footer ---------- */
footer{background:var(--dark);color:#fff;padding:54px 0 24px}
.fgrid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px}
.fdesc{color:rgba(255,255,255,.8);font-size:14px;max-width:380px}
.flink{display:block;color:rgba(255,255,255,.85);text-decoration:none;margin:5px 0}
.flink:hover{color:#fff}
footer strong{display:block;margin-bottom:10px;font-size:15px}
.copy{margin-top:26px;padding-top:20px;border-top:1px solid rgba(255,255,255,.15);color:rgba(255,255,255,.65);font-size:12px;text-align:center}

/* ---- Floating actions ---------- */
.float{position:fixed;right:18px;bottom:18px;display:flex;flex-direction:column;gap:10px;z-index:70}
.fab{width:54px;height:54px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;text-decoration:none;box-shadow:0 8px 24px rgba(0,0,0,.22);transition:.18s;font-weight:800;font-size:15px}
.fab:hover{transform:scale(1.07)}
.fab-wa{background:#25D366}
.fab-tg{background:#229ED9}
.fab-call{background:var(--brand)}

/* ---- Modal ---------- */
.overlay{position:fixed;inset:0;background:rgba(15,23,42,.55);display:none;align-items:center;justify-content:center;padding:16px;z-index:90}
.overlay.open{display:flex}
.modal{background:#fff;border-radius:16px;max-width:540px;width:100%;padding:24px;box-shadow:0 22px 60px rgba(0,0,0,.25);position:relative;max-height:90vh;overflow:auto}
.modal h3{margin:0 0 6px;font-size:20px}
.modal p{margin:0 0 14px;color:#475569;font-size:14px}
.close{position:absolute;right:12px;top:12px;width:38px;height:38px;border-radius:11px;border:1px solid var(--border);background:#F8FAFF;cursor:pointer;font-weight:800;color:#111827;font-size:18px}

/* ---- Article page ---------- */
.article-hero{padding:56px 0 0;background:var(--bg)}
.article-hero .wrap{max-width:860px;margin:0 auto;padding:0 20px}
.breadcrumbs{font-size:13px;color:var(--muted);margin-bottom:16px}
.breadcrumbs a{color:var(--brand);text-decoration:none}
.article-hero h1{font-size:38px;line-height:1.2;margin:12px 0 14px;letter-spacing:-.5px}
.article-meta{display:flex;align-items:center;gap:16px;flex-wrap:wrap;color:var(--muted);font-size:13px;margin-bottom:24px}
.article-hero img{width:100%;max-height:440px;object-fit:cover;border-radius:16px;box-shadow:var(--shadow-lg)}

.article-body{max-width:780px;margin:44px auto 0;padding:0 20px 30px}
.article-body h2{font-size:26px;margin:38px 0 14px;letter-spacing:-.3px}
.article-body h3{font-size:20px;margin:30px 0 10px}
.article-body p{font-size:16.5px;color:#334155;margin:0 0 16px}
.article-body ul,.article-body ol{color:#334155;font-size:16px;padding-left:22px;margin:0 0 18px}
.article-body li{margin-bottom:8px}
.article-body img{width:100%;border-radius:14px;margin:20px 0}
.article-callout{
  background:var(--brand-50);border-left:4px solid var(--brand);
  padding:20px;border-radius:0 12px 12px 0;margin:26px 0
}
.article-callout p{color:#065F46;margin:0}
.checklist-block{background:#fff;border:1px solid var(--border);border-radius:14px;padding:22px;margin:28px 0;box-shadow:var(--shadow)}
.checklist-block h3{margin-top:0}
.faq-block{border-top:1px solid var(--border);margin-top:36px;padding-top:24px}
.faq-item{background:#fff;border:1px solid var(--border);border-radius:12px;padding:16px 18px;margin-bottom:12px}
.faq-item h4{margin:0 0 6px}
.faq-item p{margin:0;color:#475569;font-size:14px}

/* ---- Blog page banner ---------- */
.page-banner{background:var(--dark);color:#fff;padding:52px 0}
.page-banner h1{margin:0;font-size:34px}
.page-banner p{margin:8px 0 0;color:#CBD5E1;font-size:16px;max-width:700px}

/* ---- Toast ---------- */
#toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(20px);background:var(--dark);color:#fff;padding:14px 22px;border-radius:12px;font-weight:700;font-size:14px;box-shadow:var(--shadow-lg);opacity:0;transition:.25s;z-index:120;pointer-events:none}
#toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* ---- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce){*{transition:none !important;scroll-behavior:auto}}

/* ---- Responsive ---------- */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3,.blog-grid{grid-template-columns:repeat(2,1fr)}
  .contacts .grid-2{grid-template-columns:1fr}
  .fgrid{grid-template-columns:1fr 1fr}
  nav{display:none;position:absolute;top:76px;left:0;right:0;background:#fff;flex-direction:column;padding:16px 20px;gap:14px;border-bottom:1px solid var(--border)}
  nav.open{display:flex}
  nav a{padding:8px 0;font-size:15px;text-transform:none}
  .burger{display:block}
}
@media (max-width:640px){
  .grid-4,.grid-3,.blog-grid,.steps{grid-template-columns:1fr}
  .frow{grid-template-columns:1fr}
  .title{font-size:28px}
  .hero h1{font-size:32px}
  .fgrid{grid-template-columns:1fr}
  .ptable-head,.prow{grid-template-columns:1fr 130px}
  .header{height:70px}
  .tel{display:none}
  .cta-band{padding:28px;flex-direction:column;text-align:center}
  .article-hero h1{font-size:28px}
  .step::after{content:""}
}