/* ===== Northline — one-page trades/contractor template =====
   Rebrand by editing these variables. */
:root{
  --ink:#0f1c2e; --ink-2:#1b2d45; --muted:#5d6b7e; --bg:#f6f7f9; --surface:#fff;
  --accent:#f4a300; --accent-dark:#d68f00; --line:#e1e5eb; --radius:12px;
  --font:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.6}
a{color:inherit}
.container{max-width:1140px;margin:0 auto;padding:0 22px}
.narrow{max-width:760px}
.center{text-align:center}
.demo-banner{background:#fff3cd;color:#664d03;font-size:.85rem;text-align:center;padding:6px 40px;position:relative}
.demo-banner button{position:absolute;right:10px;top:2px;border:0;background:none;font-size:1.2rem;cursor:pointer;color:inherit}
.ex{font-size:.72rem;font-weight:500;opacity:.7}
h1,h2,h3{line-height:1.15;margin:0 0 .5em;letter-spacing:-.01em}
h1{font-size:clamp(2.4rem,5vw,3.6rem);font-weight:800}
h1 span{color:var(--accent)}
h2{font-size:clamp(1.8rem,3vw,2.4rem);font-weight:800}
.kicker{text-transform:uppercase;letter-spacing:.14em;font-size:.78rem;font-weight:700;color:var(--accent-dark);margin:0 0 8px}

.topbar{background:var(--ink);color:#c9d3e0;font-size:.85rem}
.topbar-inner{display:flex;justify-content:space-between;padding:7px 22px;flex-wrap:wrap;gap:6px}
.topbar a{color:#fff;font-weight:600;text-decoration:none}

.site-header{background:var(--surface);position:sticky;top:0;z-index:10;box-shadow:0 1px 0 var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:800;font-size:1.25rem;line-height:1}
.brand small{display:block;font-size:.7rem;font-weight:600;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);margin-top:3px}
.logo-box{width:40px;height:40px;background:var(--accent);color:var(--ink);display:grid;place-items:center;border-radius:8px;font-size:1.3rem}
.nav-links{display:flex;gap:26px;align-items:center}
.nav-links a{text-decoration:none;font-weight:600;color:var(--ink-2)}
.nav-toggle{display:none;border:0;background:none;font-size:1.6rem;cursor:pointer}

.btn{display:inline-block;background:var(--accent);color:var(--ink)!important;padding:11px 20px;border-radius:8px;font-weight:700;text-decoration:none;border:2px solid var(--accent);cursor:pointer;font-size:1rem;transition:background .2s,transform .2s}
.btn:hover{background:var(--accent-dark);border-color:var(--accent-dark);transform:translateY(-1px)}
.btn-lg{padding:15px 26px;font-size:1.05rem}
.btn-ghost{background:transparent;color:#fff!important;border-color:rgba(255,255,255,.5)}
.btn-ghost:hover{background:rgba(255,255,255,.1);border-color:#fff}

.hero{background:linear-gradient(120deg,var(--ink) 0%,var(--ink-2) 100%);color:#fff;padding:80px 0 90px;position:relative;overflow:hidden}
.hero:after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:32px 32px;pointer-events:none}
.hero-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:50px;align-items:center;position:relative;z-index:1}
.hero .kicker{color:var(--accent)}
.lead{font-size:1.15rem;color:#c9d3e0;max-width:34em}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin:28px 0}
.trust{list-style:none;padding:0;margin:0;display:flex;gap:22px;flex-wrap:wrap;color:#c9d3e0;font-size:.95rem}
.trust li:before{content:"✔";color:var(--accent);margin-right:7px;font-weight:700}
.hero-panel{position:relative}
.blueprint{display:grid;grid-template-columns:1.4fr 1fr;grid-template-rows:140px 120px;gap:0;border:3px solid rgba(255,255,255,.7);border-radius:6px;background:rgba(80,140,220,.12)}
.bp-room{border:1.5px dashed rgba(255,255,255,.45);display:flex;align-items:flex-end;padding:10px;font-size:.8rem;letter-spacing:.15em;text-transform:uppercase;color:rgba(255,255,255,.75)}
.r1{grid-row:span 2;background:repeating-linear-gradient(0deg,transparent,transparent 22px,rgba(255,255,255,.06) 22px,rgba(255,255,255,.06) 23px)}
.stat-card{position:absolute;left:-28px;bottom:-34px;background:var(--surface);color:var(--ink);padding:16px 22px;border-radius:var(--radius);box-shadow:0 20px 40px rgba(0,0,0,.3);display:flex;gap:14px;align-items:center}
.stat-card b{font-size:2.3rem;color:var(--accent-dark)}
.stat-card b:after{content:"+"}
.stat-card span{font-size:.85rem;line-height:1.3;color:var(--muted)}
.stat-card em{font-size:.72rem}

.section{padding:90px 0}
.alt{background:#eceff3}
.dark{background:var(--ink);color:#fff}
.dark .kicker{color:var(--accent)}
.muted-light{color:#aab6c6}
.muted-light a{color:var(--accent)}

.services{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:36px}
.service{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:28px;transition:transform .2s,box-shadow .2s;border-top:4px solid var(--accent)}
.service:hover{transform:translateY(-4px);box-shadow:0 14px 30px rgba(15,28,46,.08)}
.service .icon{font-size:1.8rem;margin-bottom:6px}
.service p{color:var(--muted);margin:0}

.section-head{display:flex;justify-content:space-between;align-items:flex-end;flex-wrap:wrap;gap:16px;margin-bottom:28px}
.filters{display:flex;gap:8px;flex-wrap:wrap}
.filter{background:transparent;border:1.5px solid rgba(255,255,255,.3);color:#fff;padding:8px 16px;border-radius:999px;cursor:pointer;font-weight:600}
.filter.active{background:var(--accent);border-color:var(--accent);color:var(--ink)}
.projects{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.project{margin:0;border-radius:var(--radius);overflow:hidden;background:var(--ink-2);transition:opacity .3s,transform .3s}
.project.hide{display:none}
.ph{height:210px;display:grid;place-items:center;color:rgba(255,255,255,.75);font-weight:600;font-size:.85rem;letter-spacing:.08em;text-transform:uppercase}
.ph1{background:linear-gradient(135deg,#8a6a4f,#c2a07e)}.ph2{background:linear-gradient(135deg,#4f7a8a,#9cc3cf)}.ph3{background:linear-gradient(135deg,#5a5f6b,#9aa1ae)}
.ph4{background:linear-gradient(135deg,#6b4f3a,#b58b61)}.ph5{background:linear-gradient(135deg,#3d6b63,#8cc0b4)}.ph6{background:linear-gradient(135deg,#4a4e69,#9a8c98)}
.project figcaption{padding:14px 16px}
.project b{display:block}.project span{font-size:.85rem;color:#aab6c6}

.steps{list-style:none;padding:0;margin:40px 0 0;display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:s}
.steps li{background:var(--surface);border-radius:var(--radius);padding:26px;border:1px solid var(--line);position:relative}
.steps li b{display:grid;place-items:center;width:44px;height:44px;border-radius:50%;background:var(--ink);color:var(--accent);font-size:1.2rem;margin-bottom:14px}
.steps p{color:var(--muted);margin:0}

.reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:30px}
.reviews blockquote{margin:0;background:var(--surface);border-radius:var(--radius);padding:26px;border:1px solid var(--line)}
.stars{color:var(--accent);letter-spacing:2px;margin-bottom:8px}
.reviews cite{display:block;margin-top:12px;font-style:normal;color:var(--muted);font-size:.85rem}

details{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:18px 22px;margin:12px 0}
summary{font-weight:700;cursor:pointer;list-style:none;display:flex;justify-content:space-between}
summary:after{content:"+";font-size:1.3rem;color:var(--accent-dark)}
details[open] summary:after{content:"–"}
details p{color:var(--muted);margin:10px 0 0}

.quote-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:50px;align-items:start}
.quote-form{background:var(--surface);color:var(--ink);border-radius:var(--radius);padding:30px;display:grid;gap:14px}
.quote-form .row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.quote-form label{display:grid;gap:5px;font-weight:600;font-size:.9rem}
.quote-form input,.quote-form select,.quote-form textarea{font:inherit;padding:11px 12px;border:1.5px solid var(--line);border-radius:8px;background:#fbfcfd}
.quote-form input:focus,.quote-form select:focus,.quote-form textarea:focus{outline:none;border-color:var(--accent)}
.quote-form .invalid{border-color:#d9534f}
.form-msg{margin:0;font-weight:600}
.form-msg.ok{color:#1f8a4c}.form-msg.err{color:#c0392b}

.site-footer{background:#0a1422;color:#8a97a8;padding:24px 0;font-size:.9rem}
.footer-grid{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}
.footer-grid p{margin:0}
.sticky-call{display:none}

@media (max-width:900px){
  .hero-grid,.quote-grid{grid-template-columns:1fr}
  .hero-panel{display:none}
  .services,.projects,.reviews{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  .services,.projects,.reviews,.steps,.quote-form .row{grid-template-columns:1fr}
  .nav-toggle{display:block}
  .nav-links{display:none;position:absolute;top:72px;left:0;right:0;background:var(--surface);flex-direction:column;padding:18px;box-shadow:0 10px 20px rgba(0,0,0,.08)}
  .nav-links.open{display:flex}
  .sticky-call{display:block;position:fixed;bottom:0;left:0;right:0;background:var(--accent);color:var(--ink);text-align:center;padding:14px;font-weight:800;text-decoration:none;z-index:20}
  body{padding-bottom:52px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}