:root {
  --navy: #0f2440;
  --navy-light: #1c3a63;
  --gold: #c9a227;
  --ink: #22303f;
  --muted: #5b6b7c;
  --bg: #f7f9fb;
  --card: #ffffff;
  --line: #e3e9ef;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
}

a { color: var(--navy-light); }

.container { max-width: 960px; margin: 0 auto; padding: 0 1.5rem; }

/* Header */
header {
  background: var(--navy);
  color: #fff;
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem 0;
}
.brand {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: #fff;
  text-decoration: none;
}
.brand span { color: var(--gold); }
.nav-links a {
  color: #d7dfea;
  text-decoration: none;
  margin-left: 1.75rem;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
}
.nav-links a:hover, .nav-links a.active { color: #fff; border-bottom: 2px solid var(--gold); padding-bottom: 3px; }

/* Hero */
.hero {
  background: linear-gradient(160deg, var(--navy) 0%, var(--navy-light) 100%);
  color: #fff;
  padding: 4.5rem 0 5rem;
  text-align: center;
}
.hero h1 { font-size: 2.4rem; letter-spacing: 0.04em; margin-bottom: 0.75rem; }
.hero p { color: #c6d2e2; font-size: 1.15rem; max-width: 620px; margin: 0 auto; }
.hero .rule { width: 64px; height: 3px; background: var(--gold); margin: 1.5rem auto 0; border: none; }

/* Main */
main { padding: 3.5rem 0 4.5rem; }
section + section { margin-top: 3rem; }
h2 {
  font-size: 1.5rem;
  color: var(--navy);
  margin-bottom: 1rem;
}
.lead { font-size: 1.08rem; }
p + p { margin-top: 1rem; }

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
  margin-top: 1.5rem;
}
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 1.5rem;
}
.card h3 { color: var(--navy); font-size: 1.05rem; margin-bottom: 0.5rem; }
.card p { color: var(--muted); font-size: 0.95rem; }

/* Contact form */
.contact-wrap {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 2.5rem;
  align-items: start;
}
@media (max-width: 720px) { .contact-wrap { grid-template-columns: 1fr; } }

form {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 2rem;
}
label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--navy);
  margin-bottom: 0.35rem;
}
input, textarea {
  width: 100%;
  padding: 0.7rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  font: inherit;
  margin-bottom: 1.15rem;
  background: #fff;
}
input:focus, textarea:focus {
  outline: none;
  border-color: var(--navy-light);
  box-shadow: 0 0 0 3px rgba(28, 58, 99, 0.12);
}
button {
  background: var(--navy);
  color: #fff;
  border: none;
  border-radius: 6px;
  padding: 0.8rem 2rem;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  letter-spacing: 0.03em;
}
button:hover { background: var(--navy-light); }

/* Footer */
footer {
  background: var(--navy);
  color: #9fb0c5;
  padding: 1.75rem 0;
  font-size: 0.9rem;
  text-align: center;
}