/* ═══════════════════════════════════════════════════════════════
   ELITE EDGE WINDOW CLEANING — site-wide styles
   Light premium theme · accent #4f7cff · Inter + Space Grotesk
   ═══════════════════════════════════════════════════════════════ */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Space+Grotesk:wght@500;600;700&display=swap');

:root{
  --blue:#4f7cff; --blue-dark:#3b63d9; --blue-soft:#eef3ff; --blue-line:#d8e2ff;
  --ink:#0e1526; --body:#46506a; --mut:#7c869e;
  --bg:#ffffff; --soft:#f6f8fc; --line:#e6eaf3;
  --green:#1fa972;
  --rad:16px; --rad-sm:12px;
  --shadow:0 10px 30px rgba(14,21,38,.08);
  --shadow-sm:0 4px 14px rgba(14,21,38,.06);
  --max:1120px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Inter',system-ui,sans-serif;color:var(--body);background:var(--bg);line-height:1.65;font-size:16.5px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--blue);text-decoration:none}
h1,h2,h3,h4{font-family:'Space Grotesk',sans-serif;color:var(--ink);line-height:1.15;letter-spacing:-.02em}
h1{font-size:clamp(2rem,5vw,3.1rem)}
h2{font-size:clamp(1.55rem,3.4vw,2.2rem)}
h3{font-size:1.18rem}
.container{max-width:var(--max);margin:0 auto;padding:0 22px}

/* ── buttons ── */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-family:'Inter';font-weight:700;font-size:16px;border-radius:13px;padding:14px 26px;cursor:pointer;border:none;transition:transform .15s,box-shadow .15s,background .15s;white-space:nowrap}
.btn-blue{background:var(--blue);color:#fff;box-shadow:0 6px 18px rgba(79,124,255,.35)}
.btn-blue:hover{background:var(--blue-dark);transform:translateY(-1px)}
.btn-ghost{background:#fff;color:var(--ink);border:1.5px solid var(--line)}
.btn-ghost:hover{border-color:var(--blue);color:var(--blue)}
.btn-white{background:#fff;color:var(--blue)}
.btn-white:hover{transform:translateY(-1px)}
.btn-lg{padding:17px 32px;font-size:17px}

/* ── header ── */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border-bottom:1px solid transparent;transition:border-color .2s,box-shadow .2s}
.site-header.scrolled{border-bottom-color:var(--line);box-shadow:0 2px 14px rgba(14,21,38,.06)}
.header-in{display:flex;align-items:center;gap:26px;height:74px}
.logo{display:flex;align-items:center;gap:10px;font-family:'Space Grotesk';font-weight:700;font-size:20px;color:var(--ink)}
.logo img{height:44px;width:auto}
nav.main-nav{margin-left:auto}
nav.main-nav ul{display:flex;gap:26px;list-style:none}
nav.main-nav a{color:var(--ink);font-weight:600;font-size:15px}
nav.main-nav a:hover,nav.main-nav a.active{color:var(--blue)}
.header-cta{display:flex;align-items:center;gap:16px}
.header-phone{font-weight:700;color:var(--ink);font-size:15px}
.header-phone:hover{color:var(--blue)}
.header-cta .btn{padding:11px 20px;font-size:15px}
.burger{display:none;margin-left:auto;background:none;border:none;cursor:pointer;padding:8px}
.burger span{display:block;width:24px;height:2.5px;background:var(--ink);margin:5px 0;border-radius:2px;transition:.2s}

/* ── hero ── */
.hero{position:relative;overflow:hidden;background:
  radial-gradient(900px 480px at 85% -10%,rgba(79,124,255,.14),transparent 60%),
  radial-gradient(700px 420px at -10% 110%,rgba(79,124,255,.10),transparent 60%),
  var(--soft)}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.hero-in{padding:84px 0 66px;max-width:780px}
.hero .kicker,.kicker{display:inline-flex;align-items:center;gap:8px;background:var(--blue-soft);border:1px solid var(--blue-line);color:var(--blue-dark);font-weight:700;font-size:13px;letter-spacing:.04em;text-transform:uppercase;border-radius:999px;padding:7px 14px;margin-bottom:20px}
.hero h1{margin-bottom:14px}
.hero .sub{font-size:1.16rem;max-width:600px;margin-bottom:28px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;align-items:center;margin-bottom:26px}
.rating-pill{display:inline-flex;align-items:center;gap:9px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:9px 16px;font-weight:700;color:var(--ink);box-shadow:var(--shadow-sm);font-size:14.5px}
.rating-pill .stars{color:#f5a623;letter-spacing:1px}
.ticks{display:flex;gap:22px;flex-wrap:wrap;font-weight:600;color:var(--ink);font-size:14.5px}
.ticks span{display:inline-flex;align-items:center;gap:7px}
.ticks svg{color:var(--green)}

/* page hero (inner pages) */
.page-hero{background:
  radial-gradient(700px 400px at 90% -20%,rgba(79,124,255,.13),transparent 60%),var(--soft);
  padding:64px 0 50px;border-bottom:1px solid var(--line)}
.page-hero h1{margin-bottom:12px}
.page-hero .sub{font-size:1.1rem;max-width:640px}
.page-hero .hero-actions{margin:24px 0 0}

/* ── sections ── */
.section{padding:76px 0}
.section.soft{background:var(--soft)}
.sec-head{max-width:640px;margin-bottom:42px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-head h2{margin-bottom:12px}
.sec-head p{font-size:1.05rem}

/* ── cards ── */
.grid{display:grid;gap:24px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.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(--rad);overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .18s,box-shadow .18s}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.card .card-img{aspect-ratio:4/3;object-fit:cover;width:100%}
.card .card-body{padding:22px}
.card h3{margin-bottom:8px}
.card p{font-size:15px;margin-bottom:12px}
.card .more{font-weight:700;font-size:14.5px}
.icon-card{background:#fff;border:1px solid var(--line);border-radius:var(--rad);padding:26px;box-shadow:var(--shadow-sm)}
.icon-card .ic{width:46px;height:46px;border-radius:12px;background:var(--blue-soft);color:var(--blue);display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.icon-card h3{font-size:1.05rem;margin-bottom:6px}
.icon-card p{font-size:14.5px}

/* steps */
.step{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--rad);padding:28px;box-shadow:var(--shadow-sm)}
.step .num{font-family:'Space Grotesk';font-weight:700;font-size:15px;color:#fff;background:var(--blue);width:34px;height:34px;border-radius:10px;display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.step h3{margin-bottom:6px}
.step p{font-size:15px}

/* checklist */
.checks{list-style:none;display:grid;gap:11px}
.checks li{display:flex;gap:11px;align-items:flex-start;font-weight:500;color:var(--ink)}
.checks li::before{content:'';flex:none;width:20px;height:20px;margin-top:3px;border-radius:6px;background:var(--blue-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%234f7cff' stroke-width='3.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center/12px no-repeat}
.checks.two-col{grid-template-columns:1fr 1fr}

/* split section */
.split{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}
.split img{border-radius:var(--rad);box-shadow:var(--shadow);width:100%;object-fit:cover}
.split h2{margin-bottom:14px}
.split p{margin-bottom:16px}

/* ── before / after slider ── */
.ba{position:relative;border-radius:var(--rad);overflow:hidden;box-shadow:var(--shadow);aspect-ratio:4/3;user-select:none}
.ba img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.ba .after-wrap{position:absolute;inset:0;overflow:hidden}
.ba .divider{position:absolute;top:0;bottom:0;width:3px;background:#fff;box-shadow:0 0 12px rgba(0,0,0,.4)}
.ba .knob{position:absolute;top:50%;transform:translate(-50%,-50%);width:44px;height:44px;border-radius:50%;background:#fff;box-shadow:0 4px 14px rgba(0,0,0,.3);display:flex;align-items:center;justify-content:center;color:var(--blue);font-weight:800;font-size:15px;pointer-events:none}
.ba .tag{position:absolute;bottom:12px;background:rgba(14,21,38,.72);color:#fff;font-size:12.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;padding:5px 12px;border-radius:999px;pointer-events:none}
.ba .tag.before{left:12px}.ba .tag.after{right:12px}
.ba input[type=range]{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:ew-resize;margin:0}
.ba-static{position:relative;border-radius:var(--rad);overflow:hidden;box-shadow:var(--shadow-sm)}
.ba-static img{aspect-ratio:4/3;object-fit:cover;width:100%}
.ba-static .tag{position:absolute;top:12px;left:12px;background:rgba(14,21,38,.72);color:#fff;font-size:12.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;padding:5px 12px;border-radius:999px}

/* reviews */
.review-card{background:#fff;border:1px solid var(--line);border-radius:var(--rad);padding:26px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;gap:14px}
.review-card .stars{color:#f5a623;font-size:17px;letter-spacing:2px}
.review-card p{font-size:15.5px;color:var(--ink)}
.review-card .who{margin-top:auto;display:flex;align-items:center;gap:12px}
.review-card .avatar{width:42px;height:42px;border-radius:50%;background:var(--blue-soft);color:var(--blue);font-weight:700;display:flex;align-items:center;justify-content:center;font-size:16px}
.review-card .who b{color:var(--ink);display:block;line-height:1.2}
.review-card .who small{color:var(--mut);font-size:13px}

/* gallery */
.gallery-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.gallery-grid img{border-radius:var(--rad-sm);aspect-ratio:1/1;object-fit:cover;width:100%;box-shadow:var(--shadow-sm)}

/* chips */
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chips span,.chips a{background:#fff;border:1px solid var(--line);border-radius:999px;padding:9px 18px;font-weight:600;color:var(--ink);font-size:14.5px;box-shadow:var(--shadow-sm)}
.chips a:hover{border-color:var(--blue);color:var(--blue)}

/* FAQ */
.faq{max-width:760px;margin:0 auto;display:grid;gap:14px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:var(--rad-sm);box-shadow:var(--shadow-sm);overflow:hidden}
.faq summary{list-style:none;cursor:pointer;padding:19px 22px;font-weight:700;color:var(--ink);display:flex;justify-content:space-between;align-items:center;gap:14px;font-size:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:'+';font-size:22px;color:var(--blue);font-weight:600;transition:transform .2s;flex:none}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{padding:0 22px 20px;font-size:15.5px}

/* CTA band */
.cta-band{background:linear-gradient(120deg,var(--blue) 0%,#3d67e8 60%,#5f8aff 100%);border-radius:22px;padding:56px 48px;text-align:center;color:#fff;box-shadow:0 18px 44px rgba(79,124,255,.4)}
.cta-band h2{color:#fff;margin-bottom:10px}
.cta-band p{color:rgba(255,255,255,.9);max-width:520px;margin:0 auto 26px;font-size:1.08rem}
.cta-band .hero-actions{justify-content:center;margin:0}
.cta-band small{display:block;margin-top:18px;color:rgba(255,255,255,.85);font-weight:600}

/* ── forms ── */
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--rad);padding:30px;box-shadow:var(--shadow)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-grid .full{grid-column:1/-1}
label.f{display:block}
label.f .l{display:block;font-size:11.5px;font-weight:700;letter-spacing:.07em;text-transform:uppercase;color:var(--mut);margin-bottom:6px}
input,select,textarea{width:100%;font-family:'Inter';font-size:16px;background:var(--soft);color:var(--ink);border:1.5px solid var(--line);border-radius:11px;padding:13px 14px;outline:none;transition:border-color .15s}
input:focus,select:focus,textarea:focus{border-color:var(--blue);background:#fff}
textarea{min-height:96px;resize:vertical}
.form-note{font-size:13px;color:var(--mut);margin-top:12px;text-align:center}
.form-done{text-align:center;padding:36px 12px}
.form-done .big{font-size:52px;margin-bottom:12px}
.form-done h3{font-size:1.4rem;margin-bottom:8px}
.hidden{display:none!important}
.err{color:#d94f4f;font-size:14px;font-weight:600;margin-top:10px;text-align:center}

/* calculator */
.calc-controls .seg{display:flex;gap:8px;flex-wrap:wrap}
.calc-controls .seg button{flex:1;min-width:100px;background:var(--soft);border:1.5px solid var(--line);border-radius:11px;padding:12px 10px;font-family:'Inter';font-weight:600;font-size:14.5px;color:var(--body);cursor:pointer;transition:.15s}
.calc-controls .seg button.on{background:var(--blue-soft);border-color:var(--blue);color:var(--blue-dark)}
.calc-controls input[type=range]{-webkit-appearance:none;appearance:none;background:transparent;border:none;padding:10px 0}
.calc-controls input[type=range]::-webkit-slider-runnable-track{height:6px;border-radius:3px;background:linear-gradient(to right,var(--blue) var(--fill,50%),var(--line) var(--fill,50%))}
.calc-controls input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:24px;height:24px;border-radius:50%;background:#fff;border:3px solid var(--blue);margin-top:-9px;box-shadow:var(--shadow-sm);cursor:grab}
.addon{display:flex;align-items:center;gap:11px;background:var(--soft);border:1.5px solid var(--line);border-radius:11px;padding:12px 14px;cursor:pointer;font-size:14.5px;font-weight:600;color:var(--ink);transition:.15s}
.addon input{width:auto;accent-color:var(--blue)}
.addon.on{background:var(--blue-soft);border-color:var(--blue)}
.calc-price{background:var(--ink);border-radius:var(--rad);color:#fff;text-align:center;padding:26px;margin-top:22px}
.calc-price .lbl{font-size:12.5px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:#9fb2e8}
.calc-price .val{font-family:'Space Grotesk';font-weight:700;font-size:2.4rem;margin:4px 0 2px}
.calc-price small{color:#8a93ab;font-size:12.5px}

/* footer */
.site-footer{background:var(--ink);color:#aab3c9;margin-top:0;padding:60px 0 0;font-size:14.5px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:38px;padding-bottom:44px}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:14px}
.site-footer .flogo{font-family:'Space Grotesk';font-weight:700;font-size:20px;color:#fff;margin-bottom:10px;display:block}
.site-footer .flogo b{color:var(--blue)}
.site-footer ul{list-style:none;display:grid;gap:9px}
.site-footer a{color:#aab3c9}
.site-footer a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.09);padding:20px 0;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13.5px;color:#7c869e}

/* mobile sticky CTA */
.mobile-cta{display:none;position:fixed;bottom:0;left:0;right:0;z-index:70;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-top:1px solid var(--line);padding:10px 14px calc(10px + env(safe-area-inset-bottom));gap:10px}
.mobile-cta .btn{flex:1;padding:13px 10px;font-size:15px}

/* reveal on scroll */
.rv{opacity:0;transform:translateY(18px);transition:opacity .5s ease,transform .5s ease}
.rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none}}

/* ── responsive ── */
@media (max-width:1000px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .gallery-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:820px){
  .grid-3,.grid-2{grid-template-columns:1fr}
  .split{grid-template-columns:1fr;gap:30px}
  .header-cta{display:none}
  .burger{display:block}
  nav.main-nav{position:fixed;inset:74px 0 auto 0;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow);transform:translateY(-130%);transition:transform .25s;z-index:55}
  nav.main-nav.open{transform:none}
  nav.main-nav ul{flex-direction:column;gap:0;padding:10px 22px 18px}
  nav.main-nav li{border-bottom:1px solid var(--soft)}
  nav.main-nav a{display:block;padding:14px 0;font-size:16px}
  .mobile-cta{display:flex}
  body{padding-bottom:74px}
  .section{padding:56px 0}
  .hero-grid{grid-template-columns:1fr;gap:8px}
  .hero-grid .hero-img{display:none}
  .hero-in{padding:60px 0 48px}
  .cta-band{padding:44px 24px}
  .form-grid{grid-template-columns:1fr}
  .checks.two-col{grid-template-columns:1fr}
}