:root{
  --blue:#1A4D8F;--blue-dark:#123A6E;--blue-soft:#EAF1FA;
  --cta:#15803D;--cta-dark:#166534;
  --ink:#1F2937;--ink-2:#4B5563;--line:#D9DEE5;--bg:#fff;--tint:#F4F6F9;
  --font:"Open Sans",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  --max:1200px;--gutter:clamp(16px,4vw,32px);--radius:10px;
  --shadow:0 1px 3px rgba(17,24,39,.08),0 6px 18px rgba(17,24,39,.07);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font);font-size:18px;line-height:1.6;color:var(--ink);background:var(--bg);padding-bottom:76px}
img{max-width:100%;height:auto;display:block}
a{color:var(--blue);text-decoration:underline;text-underline-offset:3px}
a:hover{color:var(--blue-dark)}
h1,h2,h3,h4{margin:0 0 .45em;line-height:1.2;font-weight:800;color:var(--ink)}
h1{font-size:clamp(2rem,4.6vw,3.1rem)}
h2{font-size:clamp(1.7rem,3.4vw,2.4rem)}
h3{font-size:1.3rem;font-weight:700}
h4{font-size:1rem;text-transform:uppercase;letter-spacing:.06em;color:var(--ink-2);margin-bottom:.7em}
p{margin:0 0 1em}
.muted{color:var(--ink-2)}
.center{text-align:center}
.container{max-width:var(--max);margin:0 auto;padding:0 var(--gutter)}
.narrow{max-width:860px}
.section{padding:clamp(52px,7vw,88px) 0;scroll-margin-top:96px}
.section--tint{background:var(--tint)}
.section--blue{background:var(--blue);color:#fff}
.section--blue h2,.section--blue p{color:#fff}
.section-head{max-width:760px;margin-bottom:clamp(24px,3vw,40px)}
.section-head p{color:var(--ink-2);font-size:1.1rem}
.eyebrow{font-size:.9rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:rgba(255,255,255,.85);margin-bottom:.8em}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5em;padding:.85em 1.5em;border-radius:8px;font-weight:700;font-size:1.05rem;text-decoration:none;border:2px solid transparent;cursor:pointer;line-height:1.2;transition:background .15s,transform .15s,box-shadow .15s;white-space:nowrap}
.btn:hover{transform:translateY(-1px);box-shadow:var(--shadow)}
.btn-cta{background:var(--cta);color:#fff}
.btn-cta:hover{background:var(--cta-dark);color:#fff}
.btn-lg{font-size:1.15rem;padding:1em 2em}
.btn-block{width:100%}
.link-arrow{font-weight:700;text-decoration:none}
.link-arrow::after{content:" →"}
.link-arrow:hover{text-decoration:underline}

/* Top bar + header */
.topbar{background:var(--blue-dark);color:#fff;font-size:.95rem;text-align:center;padding:8px 0;font-weight:600}
.topbar a{color:#fff}
.site-header{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 1px 0 rgba(0,0,0,.02)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:76px;max-width:1300px}
.logo{display:flex;flex-direction:column;text-decoration:none;line-height:1}
.logo-mark{font-weight:800;font-size:1.9rem;letter-spacing:.12em;color:var(--blue)}
.logo-sub{font-size:.7rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-2);margin-top:3px}
.nav{display:none;gap:16px}
.nav a{color:var(--ink);text-decoration:none;font-weight:600;font-size:.95rem;padding:6px 0;border-bottom:2px solid transparent;white-space:nowrap}
.nav a:hover{color:var(--blue);border-color:var(--blue)}
.header-cta{display:flex;align-items:center;gap:16px}
.header-phone{display:none;align-items:center;gap:8px;font-weight:800;font-size:1.25rem;color:var(--blue);text-decoration:none;white-space:nowrap}
.header-phone svg{width:22px;height:22px;fill:currentColor}
@media(min-width:1280px){.nav{display:flex}}
@media(min-width:1366px){.nav{gap:22px}.nav a{font-size:1rem}}
@media(min-width:700px){.header-phone{display:flex}}
@media(max-width:1365px){.logo-sub{display:none}}
@media(max-width:699px){.header-cta .btn{padding:.7em 1em;font-size:.95rem}.logo-mark{font-size:1.6rem}}

/* Hero */
.hero{padding:clamp(32px,5vw,64px) 0 clamp(40px,6vw,72px);background:linear-gradient(180deg,var(--blue-soft) 0%,#fff 70%)}
.hero-grid{display:grid;gap:36px;align-items:start}
@media(min-width:960px){.hero-grid{grid-template-columns:1.15fr .85fr;gap:48px}}
.hero h1 .accent{color:var(--blue)}
.hero-bullets{list-style:none;margin:0 0 24px;padding:0;display:grid;gap:10px}
.hero-bullets li{display:flex;align-items:center;gap:10px;font-weight:700;font-size:1.15rem}
.hero-bullets svg{width:26px;height:26px;fill:#fff;background:var(--cta);border-radius:50%;padding:4px;flex:none}
.hero-sub{color:var(--ink-2);font-size:1rem;margin-top:12px}
.hero .compare{max-width:560px;aspect-ratio:1/1}

/* Estimate form */
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:28px}
.estimate-form{display:grid;gap:14px;border-top:6px solid var(--cta)}
.estimate-form h2{font-size:1.6rem;margin:0}
.form-intro{color:var(--ink-2);margin:0 0 4px;font-size:1rem}
.field{display:grid;gap:6px}
.field label{font-weight:700;font-size:1rem}
.optional{font-weight:400;color:var(--ink-2)}
.field input,.field select{font:inherit;font-size:1.05rem;padding:.7em .9em;border:2px solid var(--line);border-radius:8px;background:#fff;color:var(--ink);width:100%;min-height:52px}
.field input:focus,.field select:focus{outline:3px solid var(--blue);outline-offset:1px;border-color:var(--blue)}
.field input[type=file]{padding:.55em}
.field input.touched:invalid,.field select.touched:invalid{border-color:#B91C1C}
.form-msg{margin:0;font-weight:700;min-height:1.4em;font-size:1rem}
.form-msg.ok{color:#047857}.form-msg.err{color:#B91C1C}
.form-note{margin:0;font-size:1rem;color:var(--ink-2)}

/* Trust strip */
.trust{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:22px 0}
.trust-grid{display:grid;gap:18px;grid-template-columns:repeat(2,1fr)}
@media(min-width:800px){.trust-grid{grid-template-columns:repeat(4,1fr)}}
.trust-item{display:grid;justify-items:center;text-align:center;gap:2px;font-size:.95rem;color:var(--ink-2)}
.trust-item strong{color:var(--ink);font-size:1.05rem}
.trust-item svg{width:30px;height:30px;fill:var(--blue)}
.stars{color:#F5A623;letter-spacing:.08em;font-size:1.2rem}

/* Compare slider */
.compare{position:relative;border-radius:var(--radius);overflow:hidden;aspect-ratio:3/4;background:var(--tint);box-shadow:var(--shadow);user-select:none;-webkit-user-select:none;touch-action:pan-y;cursor:ew-resize;--pos:50%}
.compare picture{display:contents}
.compare-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.compare-before-wrap{position:absolute;inset:0;width:var(--pos);overflow:hidden}
.compare-before-wrap .compare-img{width:auto;height:100%;max-width:none}
.compare-tag{position:absolute;top:12px;padding:5px 12px;border-radius:6px;font-size:.9rem;font-weight:800;background:rgba(255,255,255,.95);color:var(--ink);pointer-events:none}
.compare-tag--before{left:12px}.compare-tag--after{right:12px;background:var(--blue);color:#fff}
.compare-range{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.compare-range:focus-visible~.compare-handle span{outline:3px solid var(--cta);outline-offset:2px}
.compare-handle{position:absolute;top:0;bottom:0;left:var(--pos);width:3px;background:#fff;transform:translateX(-1.5px);pointer-events:none;box-shadow:0 0 0 1px rgba(0,0,0,.15)}
.compare-handle span{position:absolute;top:50%;left:50%;width:48px;height:48px;border-radius:50%;background:#fff;transform:translate(-50%,-50%);box-shadow:0 2px 10px rgba(0,0,0,.25);display:grid;place-items:center}
.compare-handle span::before{content:"";width:14px;height:14px;border-left:3px solid var(--blue);border-right:3px solid var(--blue)}
.gallery{display:grid;gap:24px;grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.gallery-item{margin:0}
.gallery-item figcaption{margin-top:12px;font-weight:700;font-size:1.05rem}

/* Cards */
.cards-grid{display:grid;gap:20px;grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.service-card{display:grid;gap:8px;align-content:start;border-top:4px solid var(--blue)}
.service-card p{margin:0;color:var(--ink-2)}
.service-card .from{font-weight:800;color:var(--ink);font-size:1.25rem;margin-top:4px}

/* Comparison table */
.table-wrap{overflow-x:auto;background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid var(--line)}
.cmp-table{width:100%;border-collapse:collapse;min-width:720px;font-size:1rem}
.cmp-table th,.cmp-table td{padding:16px 18px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line)}
.cmp-table thead th{background:var(--tint);font-size:1rem;font-weight:800}
.cmp-table thead th.is-oxyn{background:var(--blue);color:#fff}
.cmp-table tbody th{font-weight:700;width:18%}
.cmp-table td.is-oxyn{background:var(--blue-soft);font-weight:600}
.cmp-table td:not(.is-oxyn){color:var(--ink-2)}
.cmp-table tbody tr:last-child th,.cmp-table tbody tr:last-child td{border-bottom:0}
@media(max-width:760px){
  .table-wrap{overflow:visible;background:transparent;box-shadow:none;border:0}
  .cmp-table{min-width:0;display:block}
  .cmp-table thead{display:none}
  .cmp-table tbody,.cmp-table tr,.cmp-table th,.cmp-table td{display:block;width:auto}
  .cmp-table tr{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:14px;overflow:hidden}
  .cmp-table tbody th{width:auto;padding:14px 18px 4px;border:0;font-size:1.05rem;font-weight:800;color:var(--blue)}
  .cmp-table td{padding:10px 18px 12px;border:0}
  .cmp-table td::before{content:attr(data-label);display:block;font-size:.8rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-2);margin-bottom:2px}
  .cmp-table td.is-oxyn::before{color:var(--blue)}
}

/* Pricing */
.price-list{padding:8px 28px;max-width:860px;margin:0 auto 28px}
.price-row{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:18px 0;border-bottom:1px solid var(--line)}
.price-row:last-child{border-bottom:0}
.price-row strong{display:block;font-size:1.15rem}
.price-row span{color:var(--ink-2);font-size:1rem}
.price{font-weight:800;font-size:1.5rem;white-space:nowrap;color:var(--blue)}
.price small{font-size:.85rem;font-weight:600;color:var(--ink-2)}
.price-row--featured{background:var(--blue-soft);margin:0 -28px;padding:18px 28px;border-bottom:0}
.price-row--featured strong{color:var(--blue)}

/* Steps */
.steps{list-style:none;margin:0;padding:0;display:grid;gap:20px;grid-template-columns:repeat(auto-fit,minmax(230px,1fr))}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow)}
.step-num{display:inline-grid;place-items:center;width:44px;height:44px;border-radius:50%;background:var(--cta);color:#fff;font-weight:800;font-size:1.2rem;margin-bottom:14px}
.step p{margin:0;color:var(--ink-2)}

/* Reviews */
.rating{font-weight:700}
.reviews-grid{display:grid;gap:20px;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));margin-bottom:28px}
.review{margin:0}
.review p{font-size:1.05rem}
.review footer{color:var(--ink-2);font-size:1rem}
.video-slot{max-width:760px;margin:0 auto 24px}
.video-placeholder{aspect-ratio:16/9;background:#E5E9EF;border-radius:var(--radius);display:grid;place-items:center;color:var(--ink-2);font-weight:700}

/* Business */
.biz{display:grid;gap:28px;align-items:center}
@media(min-width:900px){.biz{grid-template-columns:1fr auto}}
.biz p{max-width:640px;font-size:1.1rem}

/* Areas */
.area-grid{display:grid;gap:36px;align-items:center}
@media(min-width:860px){.area-grid{grid-template-columns:1fr 1fr}}
.borough-list{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:10px}
.borough-list a{display:inline-block;padding:10px 18px;border-radius:8px;background:var(--blue-soft);border:1px solid #C9D8EC;font-weight:700;text-decoration:none}
.borough-list a:hover{background:var(--blue);color:#fff}
.map{margin:0;background:#fff;border-radius:var(--radius);padding:16px;box-shadow:var(--shadow);border:1px solid var(--line)}
.map svg{width:100%;height:auto}
.borough{fill:var(--blue-soft);stroke:var(--blue);stroke-width:2;stroke-linejoin:round;transition:fill .15s}
.map a:hover .borough{fill:#C9D8EC}
.map a{text-decoration:none}
.map text{font-family:var(--font);font-size:16px;font-weight:700;fill:var(--ink);pointer-events:none;text-decoration:none}

/* FAQ */
.faq details{background:#fff;border:1px solid var(--line);border-radius:var(--radius);margin-bottom:12px;padding:0 20px}
.faq summary{cursor:pointer;list-style:none;padding:18px 40px 18px 0;font-weight:700;font-size:1.1rem;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:0;top:50%;transform:translateY(-50%);font-size:1.6rem;font-weight:400;color:var(--blue)}
.faq details[open] summary::after{content:"−"}
.faq details p{margin:0 0 18px;color:var(--ink-2)}

/* Blog */
.blog-grid{display:grid;gap:24px;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));margin-bottom:24px}
.blog-card{padding:0;overflow:hidden;display:grid;grid-template-rows:auto 1fr}
.blog-card img{aspect-ratio:4/3;object-fit:cover;width:100%}
.blog-body{padding:22px 24px 26px}
.blog-body h3{font-size:1.2rem}
.blog-body h3 a{color:var(--ink);text-decoration:none}
.blog-body h3 a:hover{color:var(--blue)}
.blog-body p{color:var(--ink-2);font-size:1rem}

/* Footer */
.site-footer{background:#15213A;color:#D7DEE8;padding:56px 0 28px;font-size:1rem}
.site-footer h4{color:#fff}
.site-footer a{color:#fff}
.site-footer .muted{color:#A9B4C4}
.footer-grid{display:grid;gap:32px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.logo--footer .logo-mark{color:#fff}
.footer-phone{font-size:1.3rem;font-weight:800;text-decoration:none}
.footer-links{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}
.badge-pill{font-size:.85rem;font-weight:700;padding:6px 10px;border:1px solid rgba(255,255,255,.3);border-radius:6px}
.footer-bottom{margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,.15);font-size:.9rem;color:#A9B4C4}

/* Sticky mobile bar */
.sticky-bar{position:fixed;left:0;right:0;bottom:0;z-index:60;display:grid;grid-template-columns:1fr 1.4fr;gap:10px;padding:10px 12px calc(10px + env(safe-area-inset-bottom));background:#fff;border-top:1px solid var(--line);box-shadow:0 -4px 16px rgba(0,0,0,.08)}
.sticky-btn{display:flex;align-items:center;justify-content:center;gap:8px;min-height:52px;border-radius:8px;font-weight:800;font-size:1.05rem;text-decoration:none;background:var(--cta);color:#fff}
.sticky-btn:hover{background:var(--cta-dark);color:#fff}
.sticky-btn svg{width:20px;height:20px;fill:currentColor}
.sticky-btn--cta{background:var(--cta)}
@media(min-width:900px){.sticky-bar{display:none}body{padding-bottom:0}}

/* Reveal */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .5s ease,transform .5s ease}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}.btn:hover{transform:none}}

/* Inner pages */
.page{padding:48px 0 72px}
.page h1{margin-bottom:.5em}
.page .lead{font-size:1.15rem;color:var(--ink-2)}
.page-cta{margin-top:40px;padding:28px;background:var(--blue-soft);border-radius:var(--radius)}