:root{
  --primary:#0a2540; /* deep navy */
  --secondary:#00a3a3; /* teal */
  --accent:#8bc34a; /* lime */
  --dark:#0b1722;
}
body{font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;}
.bg-primary{background-color:var(--primary)!important}
.btn-primary{background-color:var(--primary);border-color:var(--primary)}
.btn-primary:hover{background-color:#093055;border-color:#093055}
.btn-outline-primary{color:var(--primary);border-color:var(--primary)}
.btn-outline-primary:hover{background-color:var(--primary);color:#fff}
.btn-accent{background-color:var(--accent);border-color:var(--accent);color:#0a2540}
.btn-accent:hover{background-color:#7fbf3f;color:#0a2540}
.navbar-brand span{letter-spacing:.2px}
.hero .hero-img{height:520px;object-fit:cover;filter:brightness(.7)}
.carousel-caption{bottom:3rem}
.icon-tile{width:48px;height:48px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--secondary),#45d1d1);color:white;font-size:20px}
.rate-tile{background:linear-gradient(180deg, #f7fbff, #eef6ff);border:1px solid #e0ecff;border-radius:12px;padding:20px}
.rate-tile .label{font-weight:600;color:#335}
.rate-tile .value{font-size:28px;font-weight:800;color:var(--primary)}
.rate-tile .value .unit{font-size:16px;font-weight:600;color:#445}
footer h6{letter-spacing:.5px}