/* ============================================================
   Lynnwood Air Comfort — main stylesheet
   Vanilla CSS. No frameworks. Mobile-first.
   ============================================================ */
:root{
  --navy:#0b2a4a;
  --navy-deep:#071e35;
  --navy-soft:#123a63;
  --amber:#f59e0b;
  --amber-dark:#d97706;
  --amber-light:#fef3c7;
  --ink:#1f2937;
  --muted:#5b6b7c;
  --line:#e2e8f0;
  --bg:#ffffff;
  --bg-soft:#f4f7fa;
  --ice:#e9f3fa;
  --ice-soft:#f2f8fc;
  --sky-glow:#7dd3fc;
  --radius:12px;
  --shadow:0 8px 24px rgba(7,30,53,.10);
  --font:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  color:var(--ink);
  line-height:1.65;
  background:linear-gradient(180deg,#fbfdfe 0%,#f3f8fc 100%);
  background-attachment:fixed;
  font-size:17px;
}
img,svg{max-width:100%;height:auto}
a{color:var(--navy-soft);text-decoration:none}
a:hover{text-decoration:underline}
.container{width:min(1140px,92%);margin:0 auto}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--amber);color:#000;padding:.6rem 1rem;z-index:200;border-radius:0 0 8px 0}
.skip-link:focus{left:0}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:var(--navy-deep);
  color:#fff;
  box-shadow:0 2px 12px rgba(0,0,0,.25);
}
.header-inner{display:flex;align-items:center;gap:1rem;padding:.7rem 0}
.brand{display:flex;align-items:center;gap:.6rem;white-space:nowrap;flex-shrink:0;color:#fff;font-weight:800;font-size:1.25rem;letter-spacing:.2px}
.brand:hover{text-decoration:none}
.brand-mark{
  width:40px;height:40px;border-radius:10px;flex:0 0 40px;
  background:linear-gradient(135deg,var(--amber),var(--amber-dark));
  display:grid;place-items:center;color:#071e35;font-weight:900;font-size:1.2rem;
}
.brand small{display:block;font-size:.68rem;font-weight:600;color:#b9c7d6;letter-spacing:1.5px;text-transform:uppercase}
.main-nav{margin-left:auto}
.main-nav ul{display:flex;align-items:center;gap:.25rem;list-style:none}
.main-nav a{white-space:nowrap;color:#e6edf5;padding:.55rem .8rem;border-radius:8px;font-weight:600;font-size:.95rem;display:inline-block}
.main-nav a:hover{background:rgba(255,255,255,.08);text-decoration:none}
.has-dropdown{position:relative}
/* FIX: scoped under .main-nav so it beats ".main-nav ul{display:flex}" (dropdowns were always visible, laid out sideways) */
.main-nav .dropdown{
  position:absolute;top:100%;left:0;min-width:260px;z-index:110;
  background:#fff;border-radius:10px;box-shadow:var(--shadow);
  padding:.5rem;display:none;flex-direction:column;align-items:stretch;gap:0;
  border:1px solid var(--line);
}
.main-nav .dropdown li{width:100%}
.main-nav .dropdown a{white-space:nowrap}
.main-nav .has-dropdown:hover .dropdown,
.main-nav .has-dropdown:focus-within .dropdown,
.main-nav .has-dropdown.open .dropdown{display:flex}
/* Touch devices: tap toggles one dropdown at a time (no stuck-hover overlap) */
@media (hover:none){
  .main-nav .has-dropdown:hover:not(.open) .dropdown,
  .main-nav .has-dropdown:focus-within:not(.open) .dropdown{display:none}
}
.main-nav .dropdown a{color:var(--ink);display:block;padding:.6rem .8rem;font-size:.92rem}
.main-nav .dropdown a:hover{background:var(--bg-soft);color:var(--navy)}
.btn{
  display:inline-block;border:0;cursor:pointer;
  background:var(--amber);color:#1a1206;font-weight:800;
  padding:.8rem 1.6rem;border-radius:10px;font-size:1rem;
  transition:transform .12s ease,background .12s ease;
}
.btn:hover{background:var(--amber-dark);text-decoration:none;color:#fff;transform:translateY(-1px)}
.btn-outline{background:transparent;color:#fff;border:2px solid rgba(255,255,255,.6)}
.btn-outline:hover{border-color:#fff;background:rgba(255,255,255,.1);color:#fff}
.btn-phone{background:var(--amber);color:#1a1206;white-space:nowrap;flex-shrink:0}
.header-phone{margin-left:.5rem}
.nav-toggle{display:none;background:none;border:0;color:#fff;font-size:1.7rem;cursor:pointer;margin-left:auto;padding:.4rem}

/* ---------- Hero ---------- */
.hero{
  background:
    radial-gradient(900px 480px at 85% -10%,rgba(125,211,252,.22),transparent 60%),
    radial-gradient(700px 420px at 8% 110%,rgba(125,211,252,.12),transparent 60%),
    radial-gradient(1200px 500px at 80% -10%,rgba(245,158,11,.14),transparent 60%),
    linear-gradient(180deg,#0e3358 0%,var(--navy-deep) 100%);
  color:#fff;padding:3.5rem 0 4rem;
  border-bottom:1px solid rgba(125,211,252,.15);
}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:2.5rem;align-items:start}
.eyebrow{
  display:inline-block;background:rgba(245,158,11,.15);color:var(--amber);
  border:1px solid rgba(245,158,11,.4);
  font-size:.78rem;font-weight:800;letter-spacing:1.5px;text-transform:uppercase;
  padding:.35rem .8rem;border-radius:999px;margin-bottom:1rem;
}
.hero h1{font-size:2.6rem;line-height:1.15;margin-bottom:1rem;letter-spacing:-.5px}
.hero p.lead{font-size:1.15rem;color:#cdd9e6;max-width:34rem;margin-bottom:1.6rem}
.hero-ctas{display:flex;gap:.8rem;flex-wrap:wrap;margin-bottom:1.8rem}
.trust-badges{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.6rem;max-width:34rem}
.trust-badges div{
  display:flex;align-items:center;gap:.55rem;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);
  border-radius:10px;padding:.6rem .8rem;font-size:.88rem;font-weight:600;color:#e6edf5;
}
.trust-badges span.tick{
  flex:0 0 22px;width:22px;height:22px;border-radius:50%;
  background:var(--amber);color:#1a1206;display:grid;place-items:center;font-weight:900;font-size:.8rem;
}
/* Quote card */
.quote-card{
  background:#fff;color:var(--ink);border-radius:16px;
  padding:1.6rem;box-shadow:0 20px 50px rgba(0,0,0,.35);
}
.quote-card h2{font-size:1.3rem;margin-bottom:.3rem;color:var(--navy)}
.quote-card p{font-size:.9rem;color:var(--muted);margin-bottom:1rem}
.lead-form{display:block}
.field{margin-bottom:.85rem}
.field label{display:block;font-size:.82rem;font-weight:700;margin-bottom:.3rem;color:var(--navy)}
.field input,.field select,.field textarea{
  width:100%;padding:.7rem .8rem;border:1.5px solid var(--line);border-radius:8px;
  font-size:.95rem;font-family:inherit;color:var(--ink);background:#fff;
}
.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid var(--amber);border-color:var(--amber)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:.85rem}
.form-note{font-size:.78rem;color:var(--muted);margin-top:.7rem}
.form-success{
  display:none;background:#ecfdf5;border:1.5px solid #6ee7b7;color:#065f46;
  border-radius:10px;padding:1rem;font-weight:600;margin-top:.5rem;
}

/* ---------- Sections ---------- */
section.block{padding:3.5rem 0}
section.block.soft{background:linear-gradient(180deg,var(--ice-soft),var(--ice));border-top:1px solid #dbe9f3;border-bottom:1px solid #dbe9f3}
.kicker{color:var(--amber-dark);font-weight:800;font-size:.8rem;letter-spacing:2px;text-transform:uppercase;margin-bottom:.5rem}
h2.section-title{font-size:2rem;color:var(--navy);margin-bottom:.6rem;letter-spacing:-.4px}
.section-sub{color:var(--muted);max-width:44rem;margin-bottom:2rem}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:1.25rem}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:1.25rem}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:1.6rem;box-shadow:0 2px 8px rgba(7,30,53,.05);
  display:flex;flex-direction:column;
}
.card h3{color:var(--navy);font-size:1.15rem;margin-bottom:.5rem}
.card p{color:var(--muted);font-size:.95rem;flex:1}
.card .card-link{margin-top:1rem;font-weight:800;color:var(--amber-dark)}
.card-icon{
  width:48px;height:48px;border-radius:12px;margin-bottom:1rem;
  background:linear-gradient(135deg,var(--navy),var(--navy-soft));
  display:grid;place-items:center;color:var(--amber);font-size:1.4rem;font-weight:900;
}
/* Process steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:1.25rem;counter-reset:step}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.6rem;position:relative}
.step::before{
  counter-increment:step;content:counter(step);
  width:38px;height:38px;border-radius:50%;background:var(--amber);
  color:#1a1206;font-weight:900;display:grid;place-items:center;margin-bottom:1rem;font-size:1.05rem;
}
.step h3{color:var(--navy);font-size:1.05rem;margin-bottom:.4rem}
.step p{font-size:.92rem;color:var(--muted)}
/* Brands strip */
.brands{display:flex;flex-wrap:wrap;gap:.7rem;align-items:center}
.brand-chip{
  border:1.5px solid var(--line);border-radius:999px;padding:.5rem 1.2rem;
  font-weight:800;color:var(--navy);background:#fff;font-size:.95rem;letter-spacing:.4px;
}
/* Pricing table */
.price-table{width:100%;border-collapse:collapse;background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:0 2px 8px rgba(7,30,53,.05)}
.price-table th,.price-table td{padding:1rem 1.2rem;text-align:left;border-bottom:1px solid var(--line)}
.price-table th{background:var(--navy);color:#fff}
.price-table tr:last-child td{border-bottom:0}
.price-table td.range{font-weight:800;color:var(--navy);white-space:nowrap}
/* Areas */
.area-list{display:flex;flex-wrap:wrap;gap:.6rem;list-style:none}
.area-list a,.area-list span{
  background:#fff;border:1.5px solid var(--line);border-radius:999px;
  padding:.5rem 1.1rem;font-weight:700;font-size:.92rem;color:var(--navy);display:inline-block;
}
.area-list a:hover{border-color:var(--amber);text-decoration:none}
/* FAQ */
.faq details{
  background:#fff;border:1px solid var(--line);border-radius:10px;
  margin-bottom:.7rem;overflow:hidden;
}
.faq summary{
  cursor:pointer;padding:1.1rem 1.3rem;font-weight:700;color:var(--navy);
  list-style:none;display:flex;justify-content:space-between;align-items:center;gap:1rem;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.4rem;color:var(--amber-dark);font-weight:900;flex:0 0 auto}
.faq details[open] summary::after{content:"–"}
.faq .faq-body{padding:0 1.3rem 1.2rem;color:var(--muted)}
/* CTA band */
.cta-band{
  background:linear-gradient(120deg,var(--navy-deep),var(--navy-soft));
  color:#fff;border-radius:18px;padding:2.8rem;text-align:center;
  box-shadow:var(--shadow);
}
.cta-band h2{color:#fff;font-size:1.9rem;margin-bottom:.6rem}
.cta-band p{color:#cdd9e6;max-width:36rem;margin:0 auto 1.5rem}
.cta-band .hero-ctas{justify-content:center;margin-bottom:0}
/* Reviews placeholder */
.review-note{
  background:var(--amber-light);border:1.5px dashed var(--amber-dark);
  border-radius:var(--radius);padding:1.6rem;color:#7c4a03;font-size:.95rem;
}
/* Breadcrumbs */
.breadcrumbs{font-size:.85rem;color:var(--muted);padding:1.2rem 0 0}
.breadcrumbs a{color:var(--navy-soft)}
.breadcrumbs span.sep{margin:0 .4rem}
/* Article */
.article{max-width:760px}
.article h1{color:var(--navy);font-size:2.2rem;letter-spacing:-.5px;margin-bottom:.6rem;line-height:1.2}
.article h2{color:var(--navy);font-size:1.5rem;margin:2rem 0 .7rem}
.article h3{color:var(--navy);font-size:1.2rem;margin:1.5rem 0 .5rem}
.article p,.article li{color:#374151}
.article p{margin-bottom:1rem}
.article ul,.article ol{margin:0 0 1.2rem 1.4rem}
.article li{margin-bottom:.45rem}
.article-meta{color:var(--muted);font-size:.88rem;margin-bottom:1.5rem}
.page-hero{
  background:
    radial-gradient(800px 380px at 85% -10%,rgba(125,211,252,.20),transparent 60%),
    linear-gradient(180deg,#0e3358,var(--navy-deep));
  color:#fff;padding:2.8rem 0;
  border-bottom:1px solid rgba(125,211,252,.15);
}
.page-hero h1{font-size:2.3rem;letter-spacing:-.5px;margin-bottom:.5rem}
.page-hero p{color:#cdd9e6;max-width:40rem}
.toc{background:var(--bg-soft);border:1px solid var(--line);border-radius:10px;padding:1.2rem 1.4rem;margin:1.5rem 0}
.toc strong{color:var(--navy)}
.toc ul{margin:.5rem 0 0 1.2rem}
/* Map */
.map-wrap{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}
.map-wrap iframe{width:100%;height:380px;border:0;display:block}
/* Footer */
.site-footer{background:var(--navy-deep);color:#cdd9e6;padding:3.2rem 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:2rem;padding-bottom:2.2rem}
.site-footer h4{color:#fff;font-size:1rem;margin-bottom:.9rem;letter-spacing:.5px}
.site-footer ul{list-style:none}
.site-footer li{margin-bottom:.5rem}
.site-footer a{color:#cdd9e6;font-size:.93rem}
.site-footer a:hover{color:var(--amber)}
.footer-brand p{font-size:.92rem;margin:.8rem 0}
.nap{font-size:.92rem;line-height:1.8}
.nap strong{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:1.2rem 0;font-size:.82rem;color:#8fa2b8;display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap}
/* Sticky mobile call bar */
.sticky-call{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:90;
  background:var(--navy-deep);padding:.7rem 1rem calc(.7rem + env(safe-area-inset-bottom));
  box-shadow:0 -4px 16px rgba(0,0,0,.3);
}
.sticky-call a{
  display:block;text-align:center;background:var(--amber);color:#1a1206;
  font-weight:900;font-size:1.05rem;border-radius:10px;padding:.8rem;
}
.sticky-call a:hover{text-decoration:none}
/* Blog cards */
.post-card h3{font-size:1.15rem}
.post-meta{font-size:.82rem;color:var(--muted);margin-bottom:.6rem}

/* ---------- Mobile / tablet header (collapses before the desktop nav gets cramped) ---------- */
@media (max-width:1080px){
  .nav-toggle{display:block}
  .header-phone{display:none}
  .main-nav{
    display:none;position:absolute;top:100%;left:0;right:0;margin-left:0;
    background:var(--navy-deep);padding:.8rem 4%;box-shadow:0 12px 24px rgba(0,0,0,.35);
    max-height:calc(100vh - 100%);max-height:calc(100dvh - 76px);overflow-y:auto;-webkit-overflow-scrolling:touch;
  }
  .main-nav.open{display:block}
  .main-nav ul{flex-direction:column;align-items:stretch}
  .main-nav a{display:block}
  /* submenus: collapsed accordion, tap parent to expand */
  .main-nav .dropdown{position:static;display:none;background:transparent;box-shadow:none;border:0;padding:0 0 .4rem 1rem;min-width:0}
  .main-nav .has-dropdown.open .dropdown{display:block}
  .main-nav .has-dropdown:hover:not(.open) .dropdown,
  .main-nav .has-dropdown:focus-within:not(.open) .dropdown{display:none}
  .main-nav .dropdown a{color:#cdd9e6;white-space:normal}
  .main-nav .dropdown a:hover{background:rgba(255,255,255,.08);color:#fff}
  .main-nav .has-dropdown>a::after{content:" ▾";font-size:.8em;opacity:.7}
}

/* ---------- Responsive ---------- */
@media (max-width:960px){
  .hero-grid{grid-template-columns:1fr}
  .hero h1{font-size:2.1rem}
  .grid-3{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  body{font-size:16px}
  .grid-3,.grid-2,.steps{grid-template-columns:1fr}
  .trust-badges{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .sticky-call{display:block}
  body{padding-bottom:76px}
  .cta-band{padding:2rem 1.2rem}
  section.block{padding:2.5rem 0}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition:none!important}
}

/* ===== v4 redesign layer ===== */
:root{--cta:#1d6fe0;--cta-dark:#1558b8;--cyan:#38bdf8;--ink:#1f2933}
body{font-family:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:var(--ink);background:#fff}
.btn{background:var(--cta);color:#fff;border-radius:10px}.btn:hover{background:var(--cta-dark);color:#fff}
.btn-phone{background:var(--cta);color:#fff}.btn-ghost{background:transparent;color:var(--navy);border:2px solid var(--navy)}
.vhero .btn-ghost{color:#fff;border-color:rgba(255,255,255,.7)}.btn-ghost:hover{background:var(--navy);color:#fff}
.brand-mark{background:linear-gradient(135deg,var(--cyan),var(--cta))}
:focus-visible{outline:3px solid var(--cyan);outline-offset:2px}
.vhero{background:linear-gradient(180deg,#0e3358,var(--navy-deep));color:#fff;padding:3.5rem 0}
.vhero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:2.5rem;align-items:start}
.vhero h1{font-size:clamp(2rem,5vw,3.1rem);line-height:1.12;margin:.4rem 0 1rem;color:#fff}
.vlead{font-size:1.1rem;color:#d6e2ee;max-width:34em}.vcta{display:flex;flex-wrap:wrap;gap:.75rem;margin:1.4rem 0}
.vey{color:var(--cta);font-weight:800;font-size:.8rem;letter-spacing:1.5px;text-transform:uppercase}.vhero .vey{color:var(--cyan)}
.vtrust{list-style:none;padding:0;display:flex;flex-wrap:wrap;gap:.5rem 1.2rem;color:#cfe0ef;font-size:.92rem}.vtrust li:before{content:"✓ ";color:var(--cyan)}
.quote-card{background:#fff;color:var(--ink);border-radius:16px;padding:1.6rem;box-shadow:0 20px 40px rgba(0,0,0,.25)}
.vsm{font-size:.85rem;color:#52606d}.field input,.field select,.field textarea{width:100%;font:inherit;padding:.7rem;border:1px solid #c5d0db;border-radius:8px}
.vbar{background:var(--navy);color:#e6edf5}.vbar .container{display:flex;flex-wrap:wrap;justify-content:center;gap:.5rem 2rem;padding:.9rem 0;font-weight:600;font-size:.92rem}
.vhead{max-width:44rem;margin-bottom:2rem}.vhead h2{font-size:clamp(1.6rem,3.5vw,2.2rem);color:var(--navy);margin:.3rem 0 .5rem}
.vgrid{display:grid;gap:1.1rem}.g3{grid-template-columns:repeat(3,1fr)}.g2{grid-template-columns:repeat(2,1fr)}
.vc{background:#fff;border:1px solid #dbe4ee;border-radius:14px;padding:1.3rem;transition:transform .2s,box-shadow .2s}
.vc:hover{transform:translateY(-3px);box-shadow:0 10px 24px rgba(11,42,74,.1)}.vc h3{color:var(--navy);font-size:1.05rem;margin-bottom:.35rem}
.block.soft{background:#f3f7fb}.ph{border:2px dashed #8aa0b5;background:#f8fbfe;color:#52606d;text-align:center;padding:2.2rem 1rem;font-weight:600}
.vph{font-weight:700;color:#52606d}.vf{background:#fff;border:1px solid #dbe4ee;border-radius:12px;padding:1rem 1.2rem;margin-bottom:.7rem}.vf summary{font-weight:700;cursor:pointer;color:var(--navy)}
.html-js .rv,.js .rv{opacity:0;transform:translateY(14px);transition:opacity .5s,transform .5s}.js .rv.in{opacity:1;transform:none}
.vsticky{display:none}
@media(max-width:960px){.vhero-grid{grid-template-columns:1fr}.g3{grid-template-columns:1fr 1fr}}
@media(max-width:640px){.g3,.g2{grid-template-columns:1fr}.sticky-call{display:none!important}
.vsticky{display:flex;gap:.6rem;position:fixed;left:0;right:0;bottom:0;z-index:90;background:var(--navy-deep);padding:.6rem .8rem calc(.6rem + env(safe-area-inset-bottom))}.vsticky .btn{flex:1;text-align:center;padding:.8rem .5rem}.vsticky .btn-ghost{color:#fff;border-color:#fff}body{padding-bottom:72px}}
@media(prefers-reduced-motion:reduce){.js .rv{opacity:1;transform:none;transition:none}.vc{transition:none}}