*{box-sizing:border-box}
:root{
  --bg:#0a0d12;
  --bg2:#0f141b;
  --surface:#131922;
  --surface2:#171f2a;
  --text:#f4f7fb;
  --muted:#9ca9b8;
  --line:#252f3b;
  --accent:#83d9c2;
  --accent2:#b6f1e1;
  --max:1180px;
}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit}
.shell{width:min(calc(100% - 40px),var(--max));margin-inline:auto}
.site-header{
  position:sticky;top:0;z-index:20;
  border-bottom:1px solid rgba(255,255,255,.06);
  background:rgba(10,13,18,.86);
  backdrop-filter:blur(18px);
}
.nav-wrap{height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:inline-flex;align-items:center;gap:11px;text-decoration:none;font-weight:750;letter-spacing:-.02em;font-size:1.08rem}
.brand-mark{
  width:31px;height:31px;border:1px solid #506171;border-radius:9px;
  display:grid;place-items:center;
  color:var(--accent2);background:linear-gradient(145deg,#17212b,#0f151c);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.025);
}
.nav{display:flex;align-items:center;gap:28px}
.nav a{text-decoration:none;color:#b9c3ce;font-size:.92rem}
.nav a:hover{color:#fff}
.nav .nav-cta{
  color:#ecfffa;border:1px solid #355b51;padding:8px 14px;border-radius:9px;background:#12241f;
}
.hero{padding:110px 0 92px;overflow:hidden;background:
  radial-gradient(circle at 70% 20%,rgba(71,169,143,.13),transparent 30%),
  radial-gradient(circle at 20% 0%,rgba(74,116,163,.10),transparent 25%);
}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(320px,.7fr);gap:70px;align-items:center}
.eyebrow{
  margin:0 0 18px;text-transform:uppercase;letter-spacing:.14em;font-size:.72rem;
  font-weight:800;color:var(--accent);
}
h1,h2,h3{line-height:1.08;letter-spacing:-.035em}
h1{font-size:clamp(3.2rem,7vw,6.6rem);margin:0 0 28px;max-width:900px}
h1 span{color:var(--accent2)}
.lede{font-size:clamp(1.08rem,1.8vw,1.34rem);color:#b6c1cd;max-width:720px;margin:0 0 36px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.button{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:48px;padding:0 19px;border-radius:10px;text-decoration:none;
  font-weight:750;font-size:.92rem;border:1px solid transparent;transition:.18s ease;
}
.button.primary{background:var(--accent2);color:#09120f}
.button.primary:hover{transform:translateY(-1px);background:#d2fff3}
.button.secondary{border-color:#313d49;background:#11171e;color:#d8e0e8}
.button.secondary:hover{border-color:#4b5b6b;background:#151d26}
.hero-panel{border:1px solid var(--line);border-radius:18px;background:rgba(18,24,32,.78);padding:14px;box-shadow:0 24px 60px rgba(0,0,0,.22)}
.signal-card{display:grid;grid-template-columns:52px 1fr;gap:14px;padding:22px;border-bottom:1px solid var(--line)}
.signal-card:last-child{border-bottom:0}
.signal-number{font-variant-numeric:tabular-nums;color:#607080;font-size:.78rem}
.signal-card strong{display:block;font-size:1.02rem;margin-bottom:4px}
.signal-card p{margin:0;color:var(--muted);font-size:.92rem}
.section{padding:96px 0}
.section.muted{background:var(--bg2);border-block:1px solid rgba(255,255,255,.04)}
.section-heading{max-width:780px;margin-bottom:44px}
.section-heading h2,.split h2,.research-grid h2,.contact-card h2{font-size:clamp(2.2rem,4.2vw,4rem);margin:0 0 18px}
.section-heading>p:last-child,.research-copy,.contact-card p{color:var(--muted);font-size:1.04rem}
.cards{display:grid;gap:18px}
.cards.three{grid-template-columns:repeat(3,1fr)}
.card{border:1px solid var(--line);background:var(--surface);padding:30px;border-radius:16px;min-height:235px}
.card-label{display:block;color:var(--accent);text-transform:uppercase;letter-spacing:.12em;font-size:.69rem;font-weight:800;margin-bottom:24px}
.card h3{font-size:1.45rem;margin:0 0 12px}
.card p{margin:0;color:var(--muted)}
.split{display:grid;grid-template-columns:.85fr 1.15fr;gap:80px}
.principles{display:grid;gap:0}
.principle{padding:4px 0 28px;margin-bottom:28px;border-bottom:1px solid var(--line)}
.principle:last-child{border-bottom:0;margin-bottom:0}
.principle h3{font-size:1.2rem;margin:0 0 8px}
.principle p{margin:0;color:var(--muted)}
.research-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:start}
.research-note{border-left:2px solid #355b51;padding-left:16px;color:#82909f;font-size:.9rem;margin-top:28px}
.research-box{border:1px solid #315249;background:linear-gradient(145deg,#10201c,#111820);border-radius:18px;padding:30px}
.status{display:inline-flex;align-items:center;gap:8px;color:#a6ead8;font-size:.8rem;text-transform:uppercase;letter-spacing:.1em;font-weight:800}
.dot{width:7px;height:7px;border-radius:100%;background:var(--accent);box-shadow:0 0 14px rgba(131,217,194,.65)}
.research-box h3{font-size:1.7rem;margin:22px 0}
.research-box ul{margin:0;padding-left:20px;color:#aebac6}
.research-box li{margin:9px 0}
.contact-section{padding-top:40px}
.contact-card{
  display:flex;align-items:center;justify-content:space-between;gap:36px;
  border:1px solid var(--line);border-radius:20px;padding:44px;
  background:linear-gradient(135deg,#111820,#101916);
}
.contact-card h2{font-size:clamp(2rem,4vw,3.3rem)}
.contact-card p{max-width:690px;margin-bottom:0}
.site-footer{border-top:1px solid var(--line);padding:30px 0 42px;background:#080b0f}
.footer-wrap{display:grid;grid-template-columns:1fr auto;gap:20px;align-items:center}
.footer-brand{font-size:.95rem}
.footer-links{display:flex;gap:20px}
.footer-links a{color:#929eaa;text-decoration:none;font-size:.86rem}
.copyright{grid-column:1/-1;color:#5f6b76;font-size:.78rem;margin:4px 0 0}
.legal-main{padding:80px 0 100px}
.legal{max-width:820px}
.legal h1{font-size:clamp(2.8rem,6vw,5rem)}
.legal h2{font-size:1.35rem;margin:40px 0 10px}
.legal p{color:#a9b4bf}
.legal a{color:var(--accent2)}
.legal-updated{font-size:.9rem}
@media (max-width:900px){
  .nav a:not(.nav-cta){display:none}
  .hero{padding:80px 0 68px}
  .hero-grid,.split,.research-grid{grid-template-columns:1fr;gap:42px}
  .hero-panel{max-width:650px}
  .cards.three{grid-template-columns:1fr}
  .card{min-height:0}
  .contact-card{align-items:flex-start;flex-direction:column}
}
@media (max-width:560px){
  .shell{width:min(calc(100% - 28px),var(--max))}
  .nav-wrap{height:64px}
  h1{font-size:3.25rem}
  .section{padding:72px 0}
  .signal-card{padding:18px 12px}
  .contact-card{padding:28px 22px}
}

.audit-layout{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:70px;
  align-items:start;
}

.audit-copy h1{
  font-size:clamp(2.8rem,5vw,5rem);
}

.audit-form{
  border:1px solid var(--line);
  background:var(--surface);
  border-radius:18px;
  padding:30px;
}

.audit-form label{
  display:block;
  margin:18px 0 7px;
  font-size:.88rem;
  font-weight:700;
}

.audit-form input,
.audit-form textarea,
.audit-form select{
  width:100%;
  padding:12px 13px;
  border-radius:8px;
  border:1px solid #34404c;
  background:#0d1218;
  color:var(--text);
  font:inherit;
}

.audit-form textarea{
  min-height:130px;
  resize:vertical;
}

.audit-form .checkbox-row{
  display:flex;
  align-items:flex-start;
  gap:10px;
}

.audit-form .checkbox-row input{
  width:auto;
  margin-top:5px;
}

.audit-submit{
  margin-top:22px;
  border:0;
  cursor:pointer;
}

.form-note{
  color:var(--muted);
  font-size:.8rem;
  margin-top:14px;
}

.form-message{
  margin-top:16px;
  min-height:24px;
  color:var(--muted);
}

.form-message.success{
  color:var(--accent2);
}

.form-message.error{
  color:#ffb3b3;
}

@media (max-width:900px){
  .audit-layout{
    grid-template-columns:1fr;
    gap:42px;
  }
}