:root {
  --navy: #0b1f33;
  --slate: #20374f;
  --mist: #edf4f8;
  --silver: #c9d6df;
  --copper: #b8794a;
  --text: #102030;
  --muted: #64798a;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Segoe UI", Arial, sans-serif;
  background: var(--mist);
  color: var(--text);
}

.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 6vw;
  background: var(--navy);
  color: white;
}
.brand { font-weight: 800; letter-spacing: .08em; }
nav { display: flex; gap: 24px; }
nav a { color: white; text-decoration: none; }

.hero {
  min-height: 88vh;
  display: grid;
  grid-template-columns: 1fr 430px;
  gap: 60px;
  align-items: center;
  padding: 80px 6vw;
  background: linear-gradient(135deg, var(--mist), #ffffff);
}
.overline {
  color: var(--copper);
  text-transform: uppercase;
  letter-spacing: .18em;
  font-size: .78rem;
  font-weight: 900;
}
h1, h2 { margin: 0 0 22px; line-height: 1.02; letter-spacing: -0.04em; }
h1 { font-size: clamp(3rem, 7vw, 6.7rem); }
h2 { font-size: clamp(2.1rem, 4.8vw, 4.8rem); }
h3 { color: var(--navy); }
p { color: var(--muted); line-height: 1.75; }
.lead { font-size: 1.18rem; max-width: 820px; }

.vault {
  display: grid;
  place-items: center;
  min-height: 430px;
  background: radial-gradient(circle, white, var(--silver));
  border-radius: 42px;
  box-shadow: inset 0 0 60px rgba(11,31,51,.12), 0 28px 70px rgba(11,31,51,.14);
}
.vault-door {
  width: 280px;
  height: 280px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: conic-gradient(from 20deg, var(--slate), var(--silver), var(--navy), var(--silver), var(--slate));
  border: 18px solid var(--navy);
  color: white;
  font-size: 2rem;
  font-weight: 900;
}
.vault-door span {
  position: absolute;
  width: 70px;
  height: 70px;
  border: 10px solid white;
  border-radius: 50%;
}

section { padding: 94px 6vw; }
.intro { max-width: 1000px; }
.principles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-top: 32px;
}
.principles article {
  background: white;
  padding: 34px;
  border-radius: 26px;
  border: 1px solid var(--silver);
}
.services { background: var(--navy); }
.services h2 { color: white; }
.ledger {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
  background: rgba(255,255,255,.15);
}
.ledger div {
  background: var(--navy);
  padding: 28px;
}
.ledger span { display: block; color: var(--copper); font-weight: 900; font-size: 1.25rem; margin-bottom: 8px; }
.ledger p { color: #c7d5df; }

.assurance {
  display: grid;
  grid-template-columns: .85fr 1.15fr;
  gap: 48px;
}
.assurance-card {
  background: white;
  border-radius: 34px;
  padding: 34px;
  align-self: start;
}
ol { margin: 0; padding-left: 0; list-style: none; counter-reset: item; }
ol li {
  counter-increment: item;
  position: relative;
  padding: 24px 24px 24px 82px;
  border-bottom: 1px solid var(--silver);
}
ol li::before {
  content: counter(item);
  position: absolute;
  left: 0;
  top: 22px;
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--copper);
  color: white;
  font-weight: 900;
}
ol strong { font-size: 1.25rem; color: var(--navy); }

.narrative {
  background: white;
  text-align: center;
}
.narrative p { max-width: 920px; margin: auto; font-size: 1.16rem; }
.contact {
  background: var(--copper);
  color: white;
}
.contact h2, .contact p, .contact a { color: white; }
.contact a { font-weight: 900; font-size: 1.55rem; }

@media (max-width: 900px) {
  .header { flex-direction: column; gap: 14px; align-items: flex-start; }
  nav { flex-wrap: wrap; }
  .hero, .assurance { grid-template-columns: 1fr; }
  .principles, .ledger { grid-template-columns: 1fr; }
}