/* Design tokens adapted from Matt's refrigerationnow-site (own code). System fonts only: no third-party requests. */
:root{--bg:#0b1626;--bg2:#10213a;--fg:#f7f5f0;--muted:#aab6c8;--paper:#f6f3ec;--ink:#0e1a2b;--ink-muted:#56667c;--line:#dcd8ce;--r:14px;--accent:#f0640f;--card:rgba(255,255,255,.045);--cardline:rgba(255,255,255,.12)}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;padding-bottom:76px;-webkit-font-smoothing:antialiased}
a{color:inherit}
img,svg{max-width:100%}
.skip{position:absolute;left:-999px}.skip:focus{left:8px;top:8px;background:#fff;color:#000;padding:8px;z-index:99}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}.narrow{max-width:720px}
.demo-banner{background:#fff3c4;color:#4a3b00;font-size:.85rem;line-height:1.4;text-align:center;padding:8px 14px;font-weight:600}
.top{position:sticky;top:0;background:rgba(11,22,38,.94);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-bottom:1px solid rgba(255,255,255,.08);z-index:20;color:#f7f5f0}
.bar{display:flex;align-items:center;gap:12px;min-height:66px}
.brand{font-weight:800;text-decoration:none;font-size:1.1rem;margin-right:auto;letter-spacing:-.01em;display:flex;align-items:center;gap:10px}
.mark{width:30px;height:30px;border-radius:8px;background:var(--accent);color:#0e1a2b;display:inline-grid;place-items:center;font-weight:800;font-size:.95rem}
nav{display:none;gap:22px}nav a{text-decoration:none;color:#aab6c8;font-weight:600;font-size:.95rem}nav a:hover{color:#fff}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:50px;padding:0 26px;border:0;border-radius:12px;background:var(--accent);color:#0e1a2b;font:700 1rem/1 inherit;font-family:inherit;text-decoration:none;cursor:pointer;box-shadow:0 8px 24px -10px var(--accent);transition:transform .15s,filter .15s}
.btn:hover{filter:brightness(1.07);transform:translateY(-1px)}
.btn:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:2px}
.btn-sm{min-height:44px;padding:0 16px;box-shadow:none}
.btn span{white-space:nowrap}.btn svg{flex:none}
.btn-ghost{background:transparent;color:inherit;border:1.5px solid currentColor;box-shadow:none;opacity:.9}
.hero{position:relative;overflow:hidden;padding:56px 0 64px;background:radial-gradient(900px 420px at 85% -10%,color-mix(in srgb,var(--accent) 30%,transparent),transparent 70%),linear-gradient(180deg,var(--bg2),var(--bg))}
.hero-grid{display:grid;gap:36px;align-items:start}
.small-hero{padding:44px 0 32px}
.eyebrow{display:inline-block;color:var(--accent);font-weight:700;font-size:.85rem;margin:0 0 14px;text-transform:uppercase;letter-spacing:.09em}.eyebrow a{text-decoration:none}
h1{font-size:clamp(2.1rem,6vw,3.7rem);line-height:1.04;margin:0 0 18px;letter-spacing:-.025em;font-weight:800}
h2{font-size:clamp(1.55rem,4vw,2.2rem);line-height:1.15;margin:0 0 10px;letter-spacing:-.015em}
h3{margin:0 0 6px;font-size:1.12rem}
.lede{font-size:1.15rem;color:var(--muted);max-width:620px;margin:0 0 26px}
.sec-sub{color:var(--muted);margin:0 0 28px;max-width:600px}
.cta{display:flex;flex-wrap:wrap;align-items:center;gap:18px;margin:0}
.link{font-weight:700;text-underline-offset:4px}
.artwrap{margin-top:28px}.art{width:100%;max-width:380px;margin:0;display:block;filter:drop-shadow(0 30px 40px rgba(0,0,0,.35))}
.heroside{display:grid;gap:20px;align-self:start}
.quote-card{background:var(--paper);color:var(--ink);border-radius:18px;padding:24px;box-shadow:0 30px 60px -24px rgba(0,0,0,.6)}
.quote-card h2{font-size:1.35rem;margin:0 0 4px}.quote-card .lede{font-size:.95rem;color:var(--ink-muted);margin:0 0 16px}
.band{background:var(--paper);color:var(--ink);border-bottom:1px solid var(--line)}
.trust{list-style:none;padding:20px;margin:0 auto;display:grid;gap:14px;max-width:1120px}
.trust li{display:flex;gap:12px;align-items:center;font-weight:700;font-size:.95rem}
.trust .ic{flex:none;width:36px;height:36px;border-radius:10px;background:color-mix(in srgb,var(--accent) 22%,#fff);color:#0e1a2b;display:grid;place-items:center}
.ticks li{display:flex;gap:10px;align-items:flex-start}.ticks svg{flex:none;margin-top:4px;color:var(--accent)}
.sec{padding:60px 0}.alt{background:var(--paper);color:var(--ink)}.alt .lede,.alt .sec-sub{color:var(--ink-muted)}
.grid{list-style:none;padding:0;margin:0;display:grid;gap:16px}
.card{position:relative;border:1px solid var(--cardline);border-radius:var(--r);padding:22px;background:var(--card);transition:transform .18s,border-color .18s}
.card:hover{transform:translateY(-3px);border-color:var(--accent)}
.card .num{display:inline-grid;place-items:center;width:38px;height:38px;border-radius:11px;background:color-mix(in srgb,var(--accent) 24%,transparent);color:var(--accent);font-weight:800;margin-bottom:12px}
.card a{text-decoration:none;display:block}.card p{margin:0;color:var(--muted)}.more{display:inline-block;margin-top:12px;color:var(--accent);font-weight:700}
.steps{list-style:none;padding:0;margin:0;display:grid;gap:16px;counter-reset:s}
.steps li{counter-increment:s;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:22px 22px 22px 70px;position:relative}
.steps li::before{content:counter(s);position:absolute;left:20px;top:20px;width:34px;height:34px;border-radius:50%;background:var(--ink);color:#fff;display:grid;place-items:center;font-weight:800}
.steps h3{color:var(--ink)}.steps p{margin:0;color:var(--ink-muted)}
.chips{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:10px}
.chips li{border:1px solid var(--cardline);background:var(--card);border-radius:999px;padding:8px 18px;font-weight:600}
.alt .chips li{border-color:var(--line);background:#fff}
.cta-band{background:linear-gradient(135deg,var(--accent),color-mix(in srgb,var(--accent) 60%,#0b1626));color:#0e1a2b;padding:48px 0;text-align:center}
.cta-band h2{margin:0 0 8px}.cta-band p{margin:0 0 20px;font-size:1.1rem}
.cta-band .btn{background:#0e1a2b;color:#fff;box-shadow:none}
form{display:grid;gap:14px}
label{display:grid;gap:6px;font-weight:600}
input,select,textarea{font:inherit;padding:12px;border:1px solid #b9b5aa;border-radius:10px;background:#fff;color:#111;min-height:46px;width:100%}
.hp{position:absolute;left:-9999px;opacity:0;height:0;width:0}
.small{font-size:.9rem;color:var(--ink-muted);margin:0}.foot .small{color:var(--muted)}
.faq{border-bottom:1px solid var(--cardline);padding:14px 0}.faq summary{font-weight:700;cursor:pointer;min-height:44px;display:flex;align-items:center}.faq p{color:var(--muted);margin:8px 0 0}
.alt .faq{border-color:var(--line)}.alt .faq p{color:var(--ink-muted)}
.ticks{list-style:none;padding:0;display:grid;gap:10px}
.foot{border-top:1px solid rgba(255,255,255,.1);padding:34px 0;color:var(--muted);background:#08111e}.foot p{margin:4px 0}
.callbar{position:fixed;left:0;right:0;bottom:0;padding:10px 16px calc(10px + env(safe-area-inset-bottom));background:rgba(11,22,38,.97);border-top:1px solid rgba(255,255,255,.12);z-index:30}
.callbar .btn{width:100%}
.error{color:#b42318}.ok{color:#0a6b3a}
/* light theme: warm paper hero, dark ink text (used by the roofing demo) */
.theme-light{background:var(--paper);color:var(--ink)}
.theme-light .hero{background:radial-gradient(900px 420px at 85% -10%,color-mix(in srgb,var(--accent) 28%,transparent),transparent 70%),linear-gradient(180deg,#fff,var(--paper))}
.theme-light .lede,.theme-light .sec-sub{color:var(--ink-muted)}
.theme-light .card{background:#fff;border-color:var(--line)}.theme-light .card p{color:var(--ink-muted)}
.theme-light .more{color:color-mix(in srgb,var(--accent) 70%,#000)}
.theme-light .eyebrow{color:color-mix(in srgb,var(--accent) 65%,#000)}
.theme-light .chips li{background:#fff;border-color:var(--line)}
.theme-light .faq{border-color:var(--line)}.theme-light .faq p{color:var(--ink-muted)}
.theme-light .alt{background:#ece7da}
.theme-light .quote-card{background:#fff;border:1px solid var(--line);box-shadow:0 30px 60px -30px rgba(14,26,43,.35)}
.theme-light .band{background:#fff}
.theme-light .btn-ghost{color:var(--ink)}
.theme-light .art{filter:drop-shadow(0 24px 30px rgba(14,26,43,.18))}
@media(min-width:720px){nav{display:flex}.grid{grid-template-columns:repeat(2,1fr)}.trust{grid-template-columns:repeat(2,1fr)}.callbar{display:none}body{padding-bottom:0}.steps{grid-template-columns:repeat(3,1fr)}.steps li{padding:70px 22px 22px}.steps li::before{left:22px;top:22px}}
@media(min-width:960px){.grid.g2{grid-template-columns:repeat(2,1fr)}.hero{padding:72px 0 80px}.hero-grid{grid-template-columns:1.1fr .9fr}.trust{grid-template-columns:repeat(4,1fr)}.grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:480px){.brand{font-size:.95rem;line-height:1.25}.mark{flex:none}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.btn,.card{transition:none}}