:root {
  --ink: #17120f;
  --paper: #edf4fb;
  --muted: #54687a;
  --panel: #f8fbff;
  --accent: #1f5b8f;
  --accent-dark: #103a5c;
  --line: rgba(23, 18, 15, .14);
  --shadow: 0 24px 60px rgba(23, 18, 15, .16);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.55;
}
a { color: inherit; }
.site-header {
  min-height: 100vh;
  background:
    radial-gradient(circle at 85% 20%, rgba(45,110,163,.20), transparent 36rem),
    linear-gradient(135deg, #06111d 0%, #0d2f52 45%, #1f5b8f 100%);
  color: #fff8ed;
}
.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.2rem clamp(1rem, 4vw, 4rem);
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(14px);
  background: rgba(11, 28, 45, .70);
  border-bottom: 1px solid rgba(255,255,255,.12);
}
.brand { font-weight: 800; letter-spacing: .04em; text-transform: uppercase; text-decoration: none; }
.nav-links { display: flex; gap: 1.2rem; }
.nav-links a { color: #fff8ed; text-decoration: none; opacity: .86; }
.nav-links a:hover { opacity: 1; }
.nav-toggle { display: none; }
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(18rem, .7fr);
  gap: clamp(2rem, 7vw, 7rem);
  align-items: end;
  padding: clamp(5rem, 9vw, 9rem) clamp(1rem, 6vw, 6rem) clamp(4rem, 7vw, 7rem);
}
.eyebrow, .section-kicker {
  margin: 0 0 .9rem;
  text-transform: uppercase;
  letter-spacing: .18em;
  font-size: .75rem;
  font-weight: 800;
  color: var(--accent);
}
.hero .eyebrow { color: #b7dcff; }
h1, h2, h3 { line-height: 1.02; margin: 0; }
h1 { font-size: clamp(2.7rem, 7vw, 6.8rem); letter-spacing: -.07em; max-width: 13ch; }
h2 { font-size: clamp(2rem, 4vw, 4.4rem); letter-spacing: -.05em; max-width: 14ch; }
h3 { font-size: 1.2rem; }
.lede { max-width: 43rem; font-size: clamp(1.1rem, 1.6vw, 1.4rem); color: rgba(255,248,237,.82); }
.hero-actions { display: flex; gap: .9rem; flex-wrap: wrap; margin-top: 2rem; }
.button {
  padding: .9rem 1.2rem;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 800;
  border: 1px solid rgba(255,255,255,.22);
}
.button.primary { background: #eef6ff; color: #123b63; }
.button.secondary { color: #fff8ed; }
.hero-card {
  display: grid;
  gap: .75rem;
  padding: 1.2rem;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 1.5rem;
  box-shadow: var(--shadow);
}
.hero-card span {
  padding: .9rem 1rem;
  background: rgba(255,255,255,.09);
  border-radius: 1rem;
}
.section { padding: clamp(4rem, 8vw, 8rem) clamp(1rem, 6vw, 6rem); }
.about { background: var(--panel); }
.columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1.2rem, 4vw, 4rem);
  margin-top: 2rem;
  max-width: 74rem;
}
.columns p { font-size: 1.05rem; color: var(--muted); }
.credits { background: #d2e5f6; }
.credit-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 2.5rem;
}
.credit-grid article, .contact-grid article {
  padding: 1.2rem;
  background: rgba(255,255,255,.56);
  border: 1px solid var(--line);
  border-radius: 1.25rem;
}
ul { padding-left: 1.1rem; color: var(--muted); }
li + li { margin-top: .55rem; }
.note { margin-top: 2rem; color: var(--muted); }
.feature {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: clamp(2rem, 6vw, 6rem);
  padding: clamp(4rem, 8vw, 8rem) clamp(1rem, 6vw, 6rem);
  color: #fff8ed;
  background: linear-gradient(135deg, #0c2742, #1f5b8f);
}
.feature p { font-size: 1.08rem; color: rgba(255,248,237,.84); }
.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}
.small { color: var(--muted); font-size: .95rem; }
footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 2rem clamp(1rem, 6vw, 6rem);
  border-top: 1px solid var(--line);
}
@media (max-width: 900px) {
  .hero, .columns, .feature, .contact-grid { grid-template-columns: 1fr; }
  .credit-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 680px) {
  .nav-toggle {
    display: inline-flex;
    border: 1px solid rgba(255,255,255,.25);
    background: transparent;
    color: #fff8ed;
    border-radius: 999px;
    padding: .5rem .8rem;
  }
  .nav-links {
    position: absolute;
    inset: 100% 1rem auto 1rem;
    display: none;
    flex-direction: column;
    padding: 1rem;
    background: rgba(11,28,45,.96);
    border: 1px solid rgba(255,255,255,.15);
    border-radius: 1rem;
  }
  .nav-links.open { display: flex; }
  .hero { padding-top: 4rem; }
  .credit-grid { grid-template-columns: 1fr; }
  footer { flex-direction: column; }
}