/* --- GLOBAL VARIABLES --- */
:root {
    --primary: #fbbf24; /* Taxi Yellow */
    --primary-hover: #d97706;
    --dark: #111827; /* Near Black */
    --light: #f3f4f6;
    --white: #ffffff;
    --text-gray: #6b7280;
    --border: #e5e7eb;
    --font-main: 'Segoe UI', Roboto, sans-serif;
}

/* --- RESET & BASE --- */
* { margin: 0; padding: 0; box-sizing: border-box; font-family: var(--font-main); }
body { background: var(--white); color: var(--dark); line-height: 1.6; }
a { text-decoration: none; color: inherit; transition: 0.3s; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

/* --- UTILITIES --- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.btn { display: inline-block; padding: 12px 24px; border-radius: 6px; font-weight: 600; cursor: pointer; border: none; }
.btn-primary { background: var(--primary); color: var(--dark); }
.btn-primary:hover { background: var(--primary-hover); }
.btn-outline { border: 2px solid var(--primary); color: var(--dark); }
.btn-outline:hover { background: var(--primary); }
.section-pad { padding: 80px 0; }
.text-center { text-align: center; }

/* --- HEADER --- */
header { background: var(--white); box-shadow: 0 2px 10px rgba(0,0,0,0.05); position: sticky; top: 0; z-index: 1000; }
.top-bar { background: var(--dark); color: var(--white); padding: 8px 0; font-size: 0.85rem; }
.top-flex { display: flex; justify-content: space-between; }
.nav-container { display: flex; justify-content: space-between; align-items: center; padding: 15px 20px; }
.logo { font-size: 1.5rem; font-weight: 800; color: var(--dark); }
.logo span { color: var(--primary-hover); }

.nav-links { display: flex; gap: 30px; }
.nav-links a { font-weight: 500; font-size: 1rem; }
.nav-links a:hover, .nav-links a.active { color: var(--primary-hover); }

/* --- HERO SECTION --- */
.hero { 
    background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)), url('https://images.unsplash.com/photo-1549317661-bd32c8ce0db2?q=80&w=1920');
    background-size: cover; background-position: center; height: 600px; color: var(--white);
    display: flex; align-items: center; text-align: center;
}
.hero h1 { font-size: 3.5rem; margin-bottom: 20px; }
.hero p { font-size: 1.2rem; margin-bottom: 30px; opacity: 0.9; }

/* --- BOOKING FORM (Floating) --- */
.booking-strip { background: var(--white); padding: 30px; border-radius: 8px; box-shadow: 0 10px 30px rgba(0,0,0,0.1); margin-top: -50px; position: relative; z-index: 10; }
.form-flex { display: flex; gap: 15px; align-items: flex-end; }
.form-group { flex: 1; }
.form-group label { display: block; font-size: 0.85rem; color: var(--text-gray); margin-bottom: 5px; font-weight: 600; }
.form-control { width: 100%; padding: 12px; border: 1px solid var(--border); border-radius: 4px; font-size: 1rem; }

/* --- CARDS (Used in Fleet) --- */
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; }
.card { border: 1px solid var(--border); border-radius: 8px; overflow: hidden; transition: 0.3s; }
.card:hover { transform: translateY(-5px); box-shadow: 0 10px 20px rgba(0,0,0,0.08); }
.card-body { padding: 20px; }
.card-price { color: var(--primary-hover); font-size: 1.5rem; font-weight: 700; margin: 10px 0; }

/* --- FOOTER --- */
footer { background: var(--dark); color: var(--white); padding: 60px 0 20px; }
.footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 40px; margin-bottom: 40px; }
.footer h4 { color: var(--primary); margin-bottom: 20px; }
.footer ul li { margin-bottom: 10px; }
.footer ul li a { color: #9ca3af; }
.footer ul li a:hover { color: var(--white); }
.copyright { border-top: 1px solid #374151; padding-top: 20px; text-align: center; color: #9ca3af; font-size: 0.9rem; }

/* --- RESPONSIVE --- */
@media (max-width: 768px) {
    .nav-links { display: none; } /* Mobile menu hidden for simplicity in prototype */
    .form-flex { flex-direction: column; }
    .hero h1 { font-size: 2.2rem; }
}