:root {
  --bg:#050b11; --surface:#0a1a2f; --surface-2:#10233c; --text:#f4f7fb;
  --muted:#aab4c3; --line:rgba(255,255,255,.11); --gold:#d4af37;
  --gold-soft:#f8e7a6; --max:1120px; --radius:18px;
}
*{box-sizing:border-box} html{scroll-behavior:smooth}
body{
  margin:0; font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  background:radial-gradient(circle at 15% 0%,rgba(31,59,90,.22),transparent 30rem),var(--bg);
  color:var(--text); line-height:1.65;
}
a{color:inherit}.skip-link{position:absolute;left:-9999px;top:0;z-index:100;background:var(--gold);color:#050b11;padding:.75rem 1rem}
.skip-link:focus{left:1rem;top:1rem}
.site-header{
  position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:1.5rem;
  padding:1rem max(1.25rem,calc((100vw - var(--max))/2));border-bottom:1px solid var(--line);
  background:rgba(5,11,17,.9);backdrop-filter:blur(16px)
}
.brand{display:inline-flex;align-items:center;gap:.75rem;text-decoration:none;font-size:.9rem;font-weight:700;letter-spacing:.11em}
nav{display:flex;align-items:center;flex-wrap:wrap;gap:.2rem}
nav a{padding:.55rem .7rem;border-radius:999px;text-decoration:none;color:#dfe5ee;font-size:.86rem}
nav a:hover,nav a[aria-current="page"]{background:rgba(255,255,255,.07);color:#fff}
main{width:min(var(--max),calc(100% - 2rem));margin:0 auto;padding:2.25rem 0 5rem}
section{margin-top:4rem}
.hero,.page-hero{
  margin-top:0;padding:clamp(2rem,6vw,5rem);border:1px solid var(--line);border-radius:28px;
  background:radial-gradient(circle at top left,rgba(42,79,116,.75),transparent 42rem),linear-gradient(145deg,rgba(16,35,60,.95),rgba(5,11,17,.96));
  box-shadow:0 28px 70px rgba(0,0,0,.38)
}
.page-hero{padding-block:clamp(2rem,4vw,3.5rem)}
.hero h1,.page-hero h1{max-width:900px;margin:.5rem 0 1rem;font-size:clamp(2.2rem,6vw,4.8rem);line-height:1.04;letter-spacing:-.035em}
.page-hero h1{font-size:clamp(2rem,5vw,3.8rem)}
.lead{max-width:760px;font-size:clamp(1.08rem,2.1vw,1.35rem);color:#e3e8ef}
.eyebrow,.kicker{display:inline-block;color:var(--gold-soft);text-transform:uppercase;letter-spacing:.12em;font-weight:700;font-size:.74rem}
.section-heading{margin-bottom:1.25rem}
.section-heading h2,.split h2,.callout h2{max-width:800px;margin:.35rem 0 .65rem;font-size:clamp(1.65rem,3vw,2.55rem);line-height:1.18;letter-spacing:-.02em}
.actions{display:flex;flex-wrap:wrap;gap:.75rem;margin-top:1.75rem}
.button{display:inline-block;padding:.78rem 1.25rem;border:1px solid rgba(255,255,255,.24);border-radius:999px;text-decoration:none;font-weight:650;font-size:.92rem}
.button:hover{border-color:rgba(255,255,255,.5)}.button.primary{background:var(--gold);border-color:var(--gold);color:#050b11}
.card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem}
.card-grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}
.card{padding:1.45rem;border:1px solid var(--line);border-radius:var(--radius);background:linear-gradient(150deg,rgba(16,35,60,.93),rgba(10,26,47,.84));box-shadow:0 16px 35px rgba(0,0,0,.18)}
.card h3{margin:.45rem 0 .35rem;font-size:1.12rem}.card p{margin-bottom:0;color:#c9d1dc}
.status{display:inline-flex;align-items:center;width:fit-content;padding:.28rem .55rem;border:1px solid rgba(116,194,255,.35);border-radius:999px;color:#cfeeff;background:rgba(26,111,160,.13);font-size:.7rem;font-weight:700;letter-spacing:.07em;text-transform:uppercase}
.status.amber{border-color:rgba(212,175,55,.45);color:var(--gold-soft);background:rgba(212,175,55,.1)}
.status.muted{border-color:rgba(255,255,255,.22);color:#c8d0dc;background:rgba(255,255,255,.05)}
.split{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:clamp(2rem,6vw,5rem);align-items:start}
.principles{display:grid;gap:.8rem}.principles div{padding:1rem 0;border-bottom:1px solid var(--line)}
.principles strong,.principles span{display:block}.principles span{margin-top:.2rem;color:var(--muted)}
.callout,.notice{padding:1.5rem;border:1px solid rgba(212,175,55,.28);border-radius:var(--radius);background:rgba(212,175,55,.07)}
.callout{padding:clamp(1.5rem,4vw,2.5rem)}.notice{color:#f1e7c4}.text-link{color:var(--gold-soft);text-underline-offset:.2em}
.project-list{display:grid;gap:.75rem;margin-top:1.2rem}
.project{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:1rem 1.1rem;border:1px solid var(--line);border-radius:14px;background:rgba(255,255,255,.025);text-decoration:none}
.project:hover{background:rgba(255,255,255,.05)}.project strong,.project small{display:block}.project small{margin-top:.15rem;color:var(--muted)}
.title-row{display:flex;align-items:center;flex-wrap:wrap;gap:1rem}.title-row h1{margin-right:auto}.check-list{padding-left:1.2rem}.check-list li{margin:.55rem 0;padding-left:.25rem}
.site-footer{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:2rem;padding:2rem max(1.25rem,calc((100vw - var(--max))/2));border-top:1px solid var(--line);color:var(--muted);font-size:.78rem}
.site-footer strong{color:#e8edf4}
@media (max-width:880px){
  .site-header{align-items:flex-start;flex-direction:column}
  .card-grid,.card-grid.three,.split,.site-footer{grid-template-columns:1fr}
  .project{align-items:flex-start;flex-direction:column}
}
@media (max-width:560px){
  main{width:min(100% - 1rem,var(--max))}.hero,.page-hero{border-radius:20px}.brand{font-size:.78rem}nav a{padding-inline:.55rem}
}

/* ScubaRC gold refinements */
.site-header {
  border-bottom-color: rgba(212, 175, 55, 0.38);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.24);
}

.hero,
.page-hero {
  border-color: rgba(212, 175, 55, 0.22);
}

nav a {
  transition: background 160ms ease, color 160ms ease;
}

nav a:hover,
nav a[aria-current="page"] {
  background: rgba(212, 175, 55, 0.11);
  color: var(--gold-soft);
}

.card {
  border-color: rgba(212, 175, 55, 0.18);
  transition: transform 160ms ease, border-color 160ms ease;
}

.card:hover {
  transform: translateY(-2px);
  border-color: rgba(212, 175, 55, 0.4);
}

.project:hover {
  border-color: rgba(212, 175, 55, 0.38);
}

.section-heading::after {
  content: "";
  display: block;
  width: 3.2rem;
  height: 2px;
  margin-top: 0.8rem;
  background: linear-gradient(90deg, var(--gold), transparent);
}

/* Founding context layout */
.founding-split {
  grid-template-columns: minmax(460px, 1.1fr) minmax(0, 0.9fr);
}

.founding-heading span {
  display: block;
  white-space: nowrap;
}

@media (max-width: 980px) {
  .founding-split {
    grid-template-columns: 1fr;
  }

  .founding-heading span {
    white-space: normal;
  }
}