/* Pinpoint — Duct Guide Site
   Identity: original Wix-era Pinpoint — black header band, lime-green
   wordmark, orange letter-spaced accents, pale sky-blue nav band,
   dark navy sections, sky-blue highlights. Serif display headings,
   condensed-sans panel headings. No external fonts or assets. */
:root{
  --ink:#1a1a1a;
  --muted:#5c5c5c;
  --line:#d7dee6;
  --card:#ffffff;
  --bg:#0A1E3C;          /* dark navy */
  --black:#000000;
  --lime:#32CD32;         /* wordmark green */
  --orange:#FF8C00;       /* tagline / accent */
  --navband:#A9CCE3;      /* pale sky blue */
  --royal:#2176D2;
  --sky:#3FA9F5;
  --dodger:#1E90FF;
  --titlebar:#7FB8F0;     /* light-blue card title bars */
  --serif:Georgia,'Times New Roman',Times,serif;
  --condensed:'Oswald','Arial Narrow','Helvetica Neue Condensed','Helvetica Neue',Arial,sans-serif;
  --radius:10px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  color:#e8eef5;
  background:var(--bg);
  line-height:1.65;
  font-size:1.05rem;
}
a{color:var(--sky)}
a:hover{color:var(--dodger)}
img{max-width:100%;height:auto}

/* Layout */
.wrap{max-width:46rem;margin:0 auto;padding:0 1.25rem}
.wrap-wide{max-width:60rem;margin:0 auto;padding:0 1.25rem}

/* Header — black band, logo + lime wordmark + orange tagline */
.site-header{
  background:var(--black);
  position:sticky;top:0;z-index:50;
}
.site-header .wrap-wide{
  display:flex;align-items:center;justify-content:space-between;
  padding-top:.65rem;padding-bottom:.65rem;gap:1rem;
}
.brand{
  display:flex;align-items:center;gap:.65rem;
  text-decoration:none;line-height:1.15;
}
.brand img.logo{width:2.5rem;height:2.5rem;flex:none}
.brand .wordmark{
  font-weight:800;font-size:1.45rem;letter-spacing:.04em;
  text-transform:uppercase;color:var(--lime);
  font-family:Arial,Helvetica,sans-serif;
}
.brand .wordmark span{color:var(--orange)}
.brand .tagline{
  display:block;font-size:.62rem;font-weight:700;
  letter-spacing:.32em;text-transform:uppercase;color:var(--orange);
}
/* Nav — pale sky-blue band, dark bold labels */
.nav-band{background:var(--navband)}
.nav-band .wrap-wide{display:flex;flex-wrap:wrap;justify-content:space-between;gap:.5rem 1.5rem;padding-top:.45rem;padding-bottom:.45rem}
figure[id]{scroll-margin-top:1.25rem}
.nav-band a{
  text-decoration:none;color:#0d2138;
  font-weight:700;font-size:.95rem;font-family:var(--condensed);
  letter-spacing:.03em;text-transform:uppercase;
}
.nav-band a:hover{color:var(--royal)}

/* Hero — dark navy, serif display heading */
.hero{
  background:linear-gradient(160deg,#071630 0%,#0A1E3C 55%,#123a6e 100%);
  color:#fff;
  padding:4rem 0 3.5rem;
  text-align:center;
  border-bottom:4px solid var(--royal);
}
.hero h1{
  font-family:var(--serif);font-weight:700;
  font-size:2.4rem;line-height:1.2;margin:0 0 1rem;
  max-width:40rem;margin-left:auto;margin-right:auto;
}
.hero p.lead{
  font-size:1.2rem;opacity:.92;max-width:36rem;
  margin:0 auto 2rem;
}
.hero .cta-row{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}
.btn{
  display:inline-block;padding:.85rem 1.75rem;border-radius:8px;
  font-weight:700;font-size:1.05rem;text-decoration:none;
  transition:transform .12s ease, box-shadow .12s ease;
}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--lime);color:#06280a;box-shadow:0 4px 14px rgba(0,0,0,.35)}
.btn-primary:hover{color:#000}
.btn-ghost{background:rgba(63,169,245,.15);color:#fff;border:1px solid var(--sky)}
.btn-ghost:hover{color:#fff;background:rgba(63,169,245,.3)}
.trust{
  margin-top:1.75rem;font-size:.85rem;opacity:.85;
  letter-spacing:.18em;text-transform:uppercase;color:var(--orange);
  font-weight:700;
}

/* Homepage sections */
.section{padding:3rem 0}
.section h2{
  text-align:center;font-size:1.9rem;margin:0 0 .5rem;
  font-family:var(--condensed);font-weight:700;letter-spacing:.03em;
  text-transform:uppercase;color:#fff;
}
.section .sub{text-align:center;color:#b9c9da;max-width:36rem;margin:0 auto 2.5rem}
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(15rem,1fr));gap:1.25rem}
.step{
  background:var(--card);color:var(--ink);
  border-radius:var(--radius);overflow:hidden;
  box-shadow:0 6px 20px rgba(0,0,0,.3);
  padding:0 1.5rem 1.5rem;
  display:flex;flex-direction:column;
}
.step .num{
  display:inline-flex;align-items:center;justify-content:center;
  width:2.25rem;height:2.25rem;border-radius:50%;
  background:var(--royal);color:#fff;font-weight:800;
  margin:1rem 0 .6rem;flex:none;align-self:flex-start;
}
.step h3{
  order:-1;
  background:var(--titlebar);color:#0d2138;
  margin:0 -1.5rem 0;padding:.7rem 1.5rem;
  font-family:var(--condensed);font-weight:700;font-size:1.15rem;
  letter-spacing:.03em;text-transform:uppercase;
}
.step p{margin:0;color:var(--muted);font-size:.95rem}

/* App teaser — dark navy card, app logo on dark ground */
.app-teaser{
  background:linear-gradient(165deg,#0d2c56,#081c38);
  border:2px solid var(--sky);border-radius:var(--radius);
  padding:2.25rem 2rem;margin:2.5rem auto;max-width:44rem;text-align:center;
  box-shadow:0 10px 30px rgba(0,0,0,.45);color:#e8eef5;
}
.app-teaser img.app-logo{width:5.5rem;height:5.5rem;margin:0 auto .75rem}
.app-teaser .kicker{
  display:inline-block;background:var(--orange);color:#1a1000;
  font-size:.75rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase;
  padding:.25rem .75rem;border-radius:99px;margin-bottom:1rem;
}
.app-teaser h2{
  margin:0 0 .5rem;font-size:1.7rem;color:#fff;
  font-family:var(--serif);text-align:center;text-transform:none;letter-spacing:0;
}
.app-teaser p{color:#c3d3e4;margin:0 0 1.25rem}
.features{
  list-style:none;margin:0 0 1.5rem;padding:0;text-align:left;
  display:grid;grid-template-columns:1fr 1fr;gap:.55rem 1.75rem;
}
.features li{
  position:relative;padding-left:1.35rem;font-size:.95rem;color:#dbe7f3;
  line-height:1.45;
}
.features li::before{
  content:"▸";position:absolute;left:.15rem;color:var(--orange);font-weight:700;
}
.features li strong{color:#fff}
.notify-form{display:flex;gap:.5rem;max-width:26rem;margin:0 auto}
.notify-form input[type=email]{
  flex:1;padding:.7rem .9rem;border:1px solid var(--sky);border-radius:6px;
  font-size:1rem;background:#fff;color:var(--ink);
}
.notify-form button{
  padding:.7rem 1.25rem;background:var(--royal);color:#fff;border:none;
  border-radius:6px;font-weight:700;font-size:1rem;cursor:pointer;white-space:nowrap;
}
.notify-form button:hover{background:var(--dodger)}
.notify-note{font-size:.8rem;color:#9db4ca;margin-top:.75rem !important}

/* ---------- Guide page: black page, centered white card ---------- */
body.guide-page{background:var(--black)}
body.guide-page main.wrap{padding-top:2rem;padding-bottom:1rem}
article.guide{
  background:#fff;color:var(--ink);
  font-family:var(--serif);
  border-radius:12px;
  padding:2.75rem 2.5rem 2rem;
  box-shadow:0 12px 40px rgba(0,0,0,.6);
}
article.guide a{color:var(--royal)}
article.guide a:hover{color:var(--accent-d,#134a87)}
article.guide h1{
  font-family:var(--condensed);font-weight:700;color:#000;
  font-size:2.1rem;line-height:1.25;margin:0 0 .5rem;
  letter-spacing:.01em;
}
article.guide .subtitle{color:var(--muted);font-size:1.15rem;margin:0 0 2rem;font-style:italic}
article.guide .restored-subtitle{font-style:italic;color:var(--muted);font-size:1.05rem;margin:0 0 .35rem}
article.guide .byline{font-size:.9rem;color:var(--muted);margin:0 0 1rem;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}
article.guide .hero-line{font-family:var(--condensed);font-weight:700;font-size:1.35rem;color:#000;letter-spacing:.02em;margin:0 0 .75rem}
article.guide h2{
  font-family:var(--condensed);font-weight:700;color:#000;
  font-size:1.55rem;margin:2.5rem 0 1rem;padding-top:1.25rem;
  border-top:1px solid var(--line);letter-spacing:.02em;
}
article.guide h2:first-of-type{border-top:none;padding-top:0;margin-top:2rem}
article.guide h3{
  font-family:var(--condensed);font-weight:700;color:#000;
  font-size:1.25rem;margin:1.75rem 0 .75rem;letter-spacing:.02em;
}
article.guide figure{margin:1.75rem 0;text-align:center}
article.guide figure img{
  border-radius:8px;box-shadow:0 4px 18px rgba(0,0,0,.12);
  border:1px solid var(--line);
}
article.guide figcaption{font-size:.85rem;color:var(--muted);margin-top:.5rem;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}
article.guide .app-teaser{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}
article.guide .app-teaser h2{
  font-family:var(--serif);color:#fff;border-top:none;padding-top:0;
  margin:0 0 .5rem;letter-spacing:0;text-transform:none;font-size:1.7rem;
}
.rule-box{
  background:#eef4fb;border-left:4px solid var(--royal);
  padding:1rem 1.25rem;border-radius:0 8px 8px 0;margin:1.5rem 0;
}
.rule-box strong{color:#134a87}
.warn-box{
  background:#fff4e0;border-left:4px solid var(--orange);
  padding:1rem 1.25rem;border-radius:0 8px 8px 0;margin:1.5rem 0;
}
table.chart{
  width:100%;border-collapse:collapse;margin:1.5rem 0;font-size:.92rem;
  background:#fff;border-radius:8px;overflow:hidden;
  box-shadow:0 2px 10px rgba(0,0,0,.06);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
table.chart th{
  background:var(--royal);color:#fff;padding:.6rem .75rem;text-align:left;
  font-weight:700;
}
table.chart td{padding:.55rem .75rem;border-bottom:1px solid var(--line)}
table.chart tr:nth-child(even) td{background:#f4f8fc}
.glossary dt{font-weight:700;margin-top:1rem}
.glossary dd{margin:.25rem 0 0;color:var(--muted)}

/* Inline CTA */
.inline-cta{
  background:linear-gradient(135deg,#0A1E3C,#2176D2);color:#fff;
  border-radius:var(--radius);padding:1.75rem;margin:2.5rem 0;text-align:center;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
.inline-cta h3{margin:0 0 .5rem;color:#fff;font-family:var(--condensed);letter-spacing:.03em;text-transform:uppercase}
.inline-cta p{opacity:.92;margin:0 0 1.25rem}
.inline-cta .btn-primary{box-shadow:none}

/* Footer — black */
footer{
  background:var(--black);color:#bdbdbd;padding:2.5rem 0;margin-top:3rem;
  font-size:.9rem;border-top:3px solid var(--royal);
}
footer .wrap-wide{display:flex;justify-content:space-between;flex-wrap:wrap;gap:1rem}
footer a{color:#e0e0e0}
footer .fine{width:100%;margin-top:1rem;opacity:.6;font-size:.8rem}

/* Mobile */
@media(max-width:40rem){
  .hero h1{font-size:1.8rem}
  .hero{padding:3rem 0 2.5rem}
  article.guide{padding:1.75rem 1.25rem 1.25rem}
  article.guide h1{font-size:1.7rem}
  .notify-form{flex-direction:column}
  .features{grid-template-columns:1fr}
  .brand .tagline{display:none}
  table.chart{font-size:.8rem}
  table.chart th,table.chart td{padding:.4rem .5rem}
}

/* Table of contents */
nav.toc{background:#f4f8fc;border:1px solid #cfdce9;border-radius:10px;padding:1rem 1.25rem;margin:1.5rem 0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}
nav.toc strong{display:block;margin-bottom:.5rem;font-size:1.05rem}
nav.toc ol{margin:0;padding-left:1.4rem;columns:2;column-gap:2rem}
nav.toc li{margin:.25rem 0;font-size:.95rem}
nav.toc a{color:var(--royal);text-decoration:none}
nav.toc a:hover{text-decoration:underline}
@media(max-width:40rem){nav.toc ol{columns:1}}