/* Hubvane — shared site styles. Auto light/dark via prefers-color-scheme. Brand: teal #0D3947, cyan #36CBD5, gold #F7AE46 */
:root{
  --teal:#0D3947; --teal2:#0a2c37; --cyan:#36CBD5; --gold:#F7AE46;
  --ink:#15303a; --muted:#5b727a; --line:#e4eef0; --bg:#fff; --soft:#f4fbfc;
  --accent:#0e7585; --card:#fff;
  /* brand surfaces (LIGHT mode defaults) */
  --header-bg:rgba(255,255,255,.9); --header-border:rgba(13,57,71,.10);
  --nav-link:#2a4750; --drawer-bg:#fff;
  --hero-grad:linear-gradient(160deg,#eef6f8,#dce9ec); --hero-fg:#15303a; --hero-lead:#46606a; --hero-proof:#5b727a; --hl:#0e7585;
  --ghost-fg:#0e5560; --ghost-border:rgba(13,57,71,.32);
  --foot-bg:#eef4f5; --foot-fg:#46606a; --foot-link:#2a4750; --foot-border:rgba(13,57,71,.12);
  --maxw:1140px; --radius:16px;
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,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;-webkit-font-smoothing:antialiased}
h1,h2,h3{line-height:1.15;letter-spacing:-.5px;margin:0 0 .4em}
h1{font-size:clamp(2rem,4.6vw,3.2rem);font-weight:800}
h2{font-size:clamp(1.5rem,3.2vw,2.3rem);font-weight:800}
h3{font-size:1.2rem;font-weight:700}
p{margin:0 0 1em}
a{color:var(--teal)}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.eyebrow{display:inline-block;font-size:.8rem;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;color:var(--accent)}
.teal-sec .eyebrow,.final .eyebrow{color:var(--cyan)}
.hero .eyebrow{color:var(--accent)}
.btn{display:inline-block;border:0;cursor:pointer;font-family:inherit;font-weight:700;font-size:1rem;padding:15px 26px;border-radius:999px;text-decoration:none;transition:transform .15s,box-shadow .15s}
.btn-gold{background:var(--gold);color:#3a2a06;box-shadow:0 8px 22px rgba(247,174,70,.35)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(247,174,70,.45)}
.btn-teal{background:var(--teal);color:#fff}
.btn-teal:hover{transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--ghost-fg);border:1.5px solid var(--ghost-border)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}

/* Header */
header.site{position:sticky;top:0;z-index:50;background:var(--header-bg);backdrop-filter:blur(10px);border-bottom:1px solid var(--header-border)}
.nav{position:relative;display:flex;align-items:center;justify-content:space-between;height:70px}
.nav .logo{display:flex;align-items:center;gap:10px;text-decoration:none}
.nav .logo img{height:32px;display:block}
.nav-links{display:flex;gap:26px;align-items:center}
.nav-links a{color:var(--nav-link);text-decoration:none;font-weight:600;font-size:.94rem}
.nav-links a:hover{color:var(--teal)}
.nav .btn{padding:11px 20px;font-size:.9rem}
.menu-btn{display:none;background:none;border:0;color:var(--nav-link);font-size:1.6rem;line-height:1;cursor:pointer;padding:6px}

/* Hero */
.hero{background:var(--hero-grad);color:var(--hero-fg)}
.hero .wrap{padding:70px 24px 80px;max-width:820px}
.hero h1{color:var(--hero-fg)}.hero .hl{color:var(--hl)}
.hero p.lead{font-size:1.18rem;color:var(--hero-lead);max-width:46ch}
.hero .cta-row{display:flex;gap:14px;flex-wrap:wrap;margin:26px 0 18px}
.proof-line{font-size:.95rem;color:var(--hero-proof);border-left:3px solid var(--gold);padding-left:14px;max-width:52ch}
.proof-line b{color:var(--hero-fg)}

/* Sections */
section{padding:72px 0}
.section-head{text-align:center;max-width:640px;margin:0 auto 44px}
.section-head p{color:var(--muted);font-size:1.1rem}
.soft{background:var(--soft)}
.teal-sec{background:linear-gradient(160deg,var(--teal),var(--teal2));color:#fff}
.teal-sec .section-head p{color:#cfe6ea}
.prose{max-width:760px;margin:0 auto}
.prose h2{margin-top:1.4em}
.prose h3{margin-top:1.3em;color:var(--accent)}

/* Cards / grids */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:.18s}
.card:hover{border-color:var(--cyan);transform:translateY(-3px);box-shadow:0 14px 30px rgba(13,57,71,.08)}
.card .ic{width:44px;height:44px;border-radius:12px;background:var(--soft);display:flex;align-items:center;justify-content:center;font-size:1.4rem;margin-bottom:14px}
.card p{color:var(--muted);font-size:.96rem;margin:0}
.nerve-card{background:rgba(255,255,255,.04);border:1px solid rgba(54,203,213,.25);border-radius:var(--radius);padding:24px 22px}
.nerve-card .k{color:var(--gold);font-weight:700;font-size:.78rem;letter-spacing:1.5px;text-transform:uppercase}
.nerve-card h3{color:#fff;margin:.3em 0}
.nerve-card p{color:#b9d4d9;font-size:.94rem;margin:0}

/* Stat strip */
.stat-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
.stat .n{font-size:2.3rem;font-weight:800;color:var(--gold)}
.stat p{color:#cfe6ea;font-size:.9rem;margin:.2em 0 0}
.stat .src{color:#a9c6cf;font-size:.72rem}

/* Audit list */
.bay-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;max-width:820px;margin:0 auto}
.bay{display:flex;gap:14px;align-items:flex-start;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px}
.bay .num{flex:none;width:34px;height:34px;border-radius:8px;background:var(--teal);color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center}
.bay b{display:block}.bay p{margin:.2em 0 0;color:var(--muted);font-size:.92rem}

/* FAQ */
.faq{max-width:780px;margin:0 auto}
.qa{border-bottom:1px solid var(--line)}
.qa button{width:100%;text-align:left;background:none;border:0;padding:22px 0;font-family:inherit;font-size:1.08rem;font-weight:700;color:var(--ink);cursor:pointer;display:flex;justify-content:space-between;gap:16px}
.qa .a{max-height:0;overflow:hidden;transition:max-height .3s}
.qa .a p{padding-bottom:20px;margin:0;color:var(--muted)}
.qa.open .a{max-height:400px}
.qa .chev{color:var(--accent);transition:transform .3s}.qa.open .chev{transform:rotate(180deg)}

/* CTA + footer */
.final{background:linear-gradient(160deg,var(--teal),var(--teal2));color:#fff;text-align:center}
.final h2{color:#fff}
.final p{color:#cfe6ea;max-width:48ch;margin:0 auto 24px}
footer.site{background:var(--foot-bg);color:var(--foot-fg);padding:48px 0 32px;font-size:.92rem}
.foot-grid{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap;margin-bottom:24px}
footer.site p{color:var(--foot-fg)!important}
footer.site a{color:var(--foot-link)!important;text-decoration:none;margin-right:16px}
footer.site a:hover{color:var(--teal)}
.foot-bottom{border-top:1px solid var(--foot-border);padding-top:18px;color:var(--foot-fg);font-size:.82rem}

/* Mobile nav (hamburger drawer) */
@media (max-width:880px){
  .menu-btn{display:block}
  .nav-links{display:none;position:absolute;top:70px;left:0;right:0;flex-direction:column;align-items:flex-start;
    background:var(--drawer-bg);padding:12px 24px 18px;gap:4px;border-bottom:1px solid var(--header-border);
    box-shadow:0 18px 40px rgba(0,0,0,.18)}
  .nav.open .nav-links{display:flex}
  .nav-links a{padding:11px 0;width:100%;font-size:1rem}
  .nav-links .btn{margin-top:6px}
  .grid-3,.grid-4,.bay-list,.stat-strip{grid-template-columns:1fr}
  .stat-strip{grid-template-columns:1fr 1fr}
}

/* ---- DARK mode: follows the visitor's system setting / time of day ---- */
@media (prefers-color-scheme: dark){
  :root{
    --bg:#0b1f27; --soft:#0e2731; --card:#102a34; --ink:#e7f1f3; --muted:#a3bcc3; --line:#1d3b45; --accent:#5fd6df;
    --header-bg:rgba(13,57,71,.95); --header-border:rgba(255,255,255,.08);
    --nav-link:#cfe6ea; --drawer-bg:var(--teal2);
    --hero-grad:radial-gradient(1100px 560px at 75% -10%, #14506180, transparent),linear-gradient(160deg,var(--teal),var(--teal2));
    --hero-fg:#fff; --hero-lead:#d4e7ea; --hero-proof:#bcd6db; --hl:var(--cyan);
    --ghost-fg:#fff; --ghost-border:rgba(255,255,255,.4);
    --foot-bg:#04181f; --foot-fg:#9fc1c8; --foot-link:#cfe6ea; --foot-border:rgba(255,255,255,.08);
  }
  body{background:var(--bg);color:var(--ink)}
  .card,.bay{background:var(--card);border-color:var(--line)}
  .card .ic{background:#0b2630}
  .qa button{color:var(--ink)}
  a{color:var(--cyan)}
}