:root {
  --bg-dark:#0f172a;
  --bg-card:#111827cc;
  --brand:#22c55e;
  --brand-600:#16a34a;
  --text:#e5e7eb;
  --muted:#9ca3af;
}

body,html {
  margin:0; padding:0; height:100%;
  font-family:'Inter',system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,"Helvetica Neue",Arial;
  background:#0f172a; color:var(--text);
}

/* header, hero, grid, card, footer styles */
header {display:flex;align-items:center;justify-content:space-between;padding:18px 28px;background:#111827;border-bottom:1px solid rgba(255,255,255,0.06);}
.brand {display:flex;align-items:center;gap:10px;font-weight:700;font-size:24px;color:var(--brand);}
.brand .dot{width:12px;height:12px;border-radius:50%;background:var(--brand);box-shadow:0 0 32px rgba(34,197,94,0.7);}
.nav-actions button{margin-left:10px;padding:10px 14px;border-radius:10px;border:1px solid rgba(255,255,255,0.15);background:transparent;color:var(--text);cursor:pointer}
.nav-actions .primary{background:var(--brand);border:none;color:#06220f;font-weight:700}

main{max-width:1200px;margin:0 auto;padding:20px;}
.hero{background:url('https://plus.unsplash.com/premium_photo-1681821686369-dfecd80af12e?auto=format&fit=crop&w=1600&q=80') center/cover no-repeat;padding:80px 20px 100px;border-radius:12px;color:white;text-shadow:0 0 10px rgba(0,0,0,0.5);}
.hero h1{font-size:clamp(28px,5vw,56px);margin-bottom:10px;}
.hero p{font-size:clamp(16px,2vw,22px);margin-bottom:40px;}

.search-box{display:flex;gap:15px;max-width:900px;margin:0 auto;background:rgba(0,0,0,0.6);padding:20px;border-radius:12px;}
.search-box input,.search-box select{flex:1;padding:12px 15px;border-radius:8px;border:none;font-size:1rem;color:var(--bg-dark);}
.search-box button{background:var(--brand);border:none;border-radius:8px;padding:12px 25px;font-size:1.1rem;font-weight:700;color:#06220f;cursor:pointer;}
.search-box button:hover{background:var(--brand-600);}

h2{margin-top:40px;margin-bottom:24px;font-weight:700;font-size:28px;color:var(--brand);}
.driver-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}

.card{background:var(--bg-card);border-radius:16px;overflow:hidden;box-shadow:0 10px 30px rgba(0,0,0,0.25);display:flex;flex-direction:column;}
.card header{display:flex;align-items:center;gap:15px;padding:20px;}
.avatar{width:56px;height:56px;border-radius:50%;overflow:hidden;border:2px solid rgba(255,255,255,0.2);}
.avatar img{width:100%;height:100%;object-fit:cover;}
.driver-name{font-weight:700;font-size:18px;}
.driver-vehicle{font-size:14px;color:var(--muted);}
.rating{background:#22c55e;color:#06220f;padding:4px 10px;border-radius:12px;font-weight:700;font-size:14px;}

.car-image{height:154px;width:100%;object-fit:cover;}
.card-body{padding:15px 20px;flex-grow:1;display:flex;flex-direction:column;justify-content:space-between;}
.details{display:flex;justify-content:space-between;margin-bottom:12px;font-weight:600;}
.btn-group{display:flex;gap:15px;}
button{background:transparent;border:2px solid var(--brand);color:var(--brand);padding:10px 20px;border-radius:12px;font-weight:700;cursor:pointer;flex:1;}
button.primary{background:var(--brand);color:#06220f;border:none;}
button:hover{background:var(--brand-600);border-color:var(--brand-600);color:#06220f;}

footer{margin-top:60px;padding:20px;text-align:center;font-size:13px;color:var(--muted);}
@media(max-width:900px){.driver-grid{grid-template-columns:1fr;}.search-box{flex-direction:column;}.btn-group{flex-direction:column;}button{width:100%;}}