.hero{min-height:100vh;display:flex;align-items:center;background:linear-gradient(rgba(0,40,60,.55),rgba(0,40,60,.7)),#0d2a38;color:#fff}
.hero__eyebrow{text-transform:uppercase;letter-spacing:.2em}
.hero__lead{max-width:650px;font-size:1.2rem}
.hero__actions{display:flex;gap:1rem;flex-wrap:wrap;margin-top:2rem}
.section-alt{background:#eef7fb}
.dark{background:#0d2a38;color:#fff}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:2rem}
.placeholder{border:2px dashed #18B7D8;border-radius:16px;padding:4rem;text-align:center}