:root {
  --blue: #00599a;
  --blue-dark: #004a80;
  --blue-light: #3b8fd6;
  --navy: #0b1f3a;
  --navy-2: #10305b;
  --ink: #16202e;
  --muted: #566274;
  --bg: #ffffff;
  --bg-alt: #f3f6fa;
  --card: #ffffff;
  --line: #dde3ea;
  --hero-fg: #ffffff;
  --hero-muted: #c3d1e3;
  --shadow: 0 10px 30px rgba(11, 31, 58, 0.10), 0 1px 2px rgba(11, 31, 58, 0.06);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --ink: #e8edf3;
    --muted: #9fb0c4;
    --bg: #0d1726;
    --bg-alt: #111f33;
    --card: #162943;
    --line: #26395a;
    --blue: #4a9ee0;
    --blue-dark: #3b8fd6;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3 { font-family: "Jost", "Inter", sans-serif; line-height: 1.12; margin: 0 0 0.6em; letter-spacing: -0.01em; }
h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); font-weight: 600; }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.5rem); font-weight: 600; }
h3 { font-size: 1.45rem; font-weight: 600; }
p { margin: 0 0 1em; }
a { color: var(--blue); }
img { display: block; max-width: 100%; height: auto; }
.container { width: min(1120px, 100% - 2rem); margin-inline: auto; }
.skip { position: absolute; left: -999px; top: 0; }
.skip:focus { left: 1rem; top: 1rem; background: var(--blue); color: #fff; padding: 0.5rem 1rem; z-index: 10; }

.eyebrow {
  font-family: "Jost", sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--blue);
  margin-bottom: 0.9rem;
}
.lead { font-size: 1.15rem; color: var(--muted); max-width: 40rem; }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  font-family: "Jost", sans-serif; font-weight: 500; font-size: 1rem; letter-spacing: 0.02em;
  padding: 0.85rem 1.5rem; border-radius: 6px; text-decoration: none;
  border: 1.5px solid transparent; transition: background 0.15s, border-color 0.15s, transform 0.15s;
}
.btn-primary { background: var(--blue); color: #fff; }
.btn-primary:hover { background: var(--blue-dark); transform: translateY(-1px); }
.btn-ghost { border-color: currentColor; color: inherit; }
.btn-ghost:hover { background: rgba(127, 150, 180, 0.12); }
.btn-small { padding: 0.55rem 1.1rem; font-size: 0.95rem; background: var(--blue); color: #fff; }
.actions { display: flex; gap: 0.9rem; flex-wrap: wrap; margin-top: 1.8rem; }

/* header */
.site-header { position: sticky; top: 0; z-index: 5; background: var(--bg); border-bottom: 1px solid var(--line); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 76px; gap: 1rem; }
.brand img { height: 44px; width: auto; }
.brand-dark { display: none; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .brand-light { display: none; } :root:not([data-theme="light"]) .brand-dark { display: block; } }
.nav { display: flex; align-items: center; gap: 1.6rem; }
.nav a { font-family: "Jost", sans-serif; font-weight: 500; text-decoration: none; color: var(--ink); }
.nav a:not(.btn):hover { color: var(--blue); }
.nav .btn-small { color: #fff; }
@media (max-width: 640px) { .nav a:not(.btn) { display: none; } }

/* hero */
.hero {
  position: relative; overflow: hidden; color: var(--hero-fg);
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-2) 60%, #0d3f78 100%);
}
.hero .eyebrow { color: #8fc1f2; }
.hero .lead { color: var(--hero-muted); }
.hero-inner { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 2rem; align-items: center; padding: 6rem 0 4rem; min-height: 520px; }
.hero-art { position: relative; height: 100%; min-height: 260px; }
.hero-art img {
  position: absolute; right: -8%; top: 50%; transform: translateY(-50%);
  width: 130%; max-width: none; opacity: 0.08; filter: blur(0.2px);
}
.hero .btn-ghost { color: #fff; border-color: rgba(255,255,255,0.55); }
.hero .btn-ghost:hover { background: rgba(255,255,255,0.1); }
.trust {
  display: flex; flex-wrap: wrap; gap: 0.5rem 2.2rem; padding: 1.1rem 0 1.6rem;
  border-top: 1px solid rgba(255,255,255,0.14); color: var(--hero-muted);
  font-size: 0.9rem; font-family: "Jost", sans-serif; letter-spacing: 0.02em;
}
.trust span::before { content: ""; display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: var(--blue-light); margin-right: 0.6rem; vertical-align: middle; }
@media (max-width: 860px) {
  .hero-inner { grid-template-columns: 1fr; padding: 4rem 0 2.5rem; min-height: 0; }
  .hero-art { position: absolute; inset: 0; min-height: 0; pointer-events: none; }
  .hero-art img { width: 90%; right: -30%; top: 55%; opacity: 0.05; }
  .hero-copy { position: relative; }
}

/* services */
.services { background: var(--bg-alt); padding: 5.5rem 0; }
.services h2 { max-width: 30rem; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1.6rem; margin-top: 2.5rem; }
.card { background: var(--card); border-radius: 12px; padding: 2.2rem 2.2rem 1.8rem; box-shadow: var(--shadow); border: 1px solid var(--line); }
.card .icon { width: 52px; height: 52px; border-radius: 10px; background: var(--blue); color: #fff; display: grid; place-items: center; margin-bottom: 1.3rem; }
.card > p { color: var(--muted); }
.card ul { list-style: none; padding: 0; margin: 1.3rem 0 0; }
.card li { position: relative; padding-left: 1.7rem; margin-bottom: 0.75rem; }
.card li::before {
  content: ""; position: absolute; left: 0; top: 0.55rem; width: 0.9rem; height: 0.45rem;
  border-left: 2px solid var(--blue); border-bottom: 2px solid var(--blue); transform: rotate(-45deg);
}
.card strong { font-weight: 600; }

/* contact */
.contact { padding: 5.5rem 0; }
.contact-inner { text-align: center; max-width: 42rem; margin-inline: auto; }
.contact-inner .lead { margin-inline: auto; }
.contact .actions { justify-content: center; }

/* footer */
.site-footer { background: var(--navy); color: #c3d1e3; padding: 3rem 0; font-size: 0.92rem; }
.footer-inner { display: grid; grid-template-columns: auto 1fr auto; gap: 2rem; align-items: start; }
.site-footer address { font-style: normal; line-height: 1.7; }
.site-footer strong { color: #fff; }
.fineprint { margin: 0; text-align: right; color: #8fa3bd; }
@media (max-width: 760px) { .footer-inner { grid-template-columns: 1fr; } .fineprint { text-align: left; } }