/* 
   Car Sales in Afghanistan - Premium Master Styles
   University Final-Year Project 2026
   No Bootstrap - 100% Custom CSS
*/

:root {
    --bg-dark: #0f0f12;
    --bg-surface: #1a1a22;
    --bg-card: rgba(255, 255, 255, 0.05);
    --accent-gold: #d4af37;
    --accent-gold-hover: #b8962d;
    --text-main: #ffffff;
    --text-muted: #a0a0a5;
    --glass-border: rgba(255, 255, 255, 0.1);
    --shadow-main: 0 8px 32px 0 rgba(0, 0, 0, 0.8);
    --radius-lg: 16px;
    --radius-md: 12px;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Custom Responsive Grid System */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.row {
    display: flex;
    flex-wrap: wrap;
    margin: 0 -15px;
}

.col-3 { flex: 0 0 25%; padding: 15px; }
.col-4 { flex: 0 0 33.333%; padding: 15px; }
.col-6 { flex: 0 0 50%; padding: 15px; }
.col-12 { flex: 0 0 100%; padding: 15px; }

@media (max-width: 992px) {
    .col-4, .col-6 { flex: 0 0 50%; }
}

@media (max-width: 768px) {
    .col-3, .col-4, .col-6 { flex: 0 0 100%; }
}

/* Glassmorphism Components */
.glass-card {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 25px;
    box-shadow: var(--shadow-main);
    position: relative;
}

/* Header & Nav */
header {
    background: rgba(15, 15, 18, 0.9);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--glass-border);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    font-size: 24px;
    font-weight: 800;
    color: var(--accent-gold);
    text-transform: uppercase;
    letter-spacing: 2px;
    text-decoration: none;
}

.nav-links {
    display: flex;
    gap: 30px;
    list-style: none;
}

.nav-links a {
    color: var(--text-main);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--accent-gold);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: var(--radius-md);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-gold), #b8962d);
    color: #000;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(212, 175, 55, 0.4);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--accent-gold);
    color: var(--accent-gold);
}

.btn-outline:hover {
    background: var(--accent-gold);
    color: #000;
}

/* Hero Section */
.hero {
    position: relative;
    padding: 160px 0;
    text-align: center;
    background: linear-gradient(rgba(15, 15, 18, 0.7), rgba(15, 15, 18, 0.7)), url('../images/hero-bg.jpg');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 80vh;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 150px;
    background: linear-gradient(to top, var(--bg-dark), transparent);
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: 20px;
    font-weight: 900;
    line-height: 1.1;
    text-shadow: 0 4px 20px rgba(0,0,0,0.5);
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto 40px;
}

/* Car Cards */
.car-grid {
    padding: 60px 0;
}

.section-title {
    margin-bottom: 40px;
    font-size: 2rem;
    border-left: 4px solid var(--accent-gold);
    padding-left: 15px;
}

.car-card {
    transition: transform 0.3s ease;
}

.car-card:hover {
    transform: translateY(-10px);
}

.car-img-container {
    width: 100%;
    height: 200px;
    background: #333;
    border-radius: var(--radius-md);
    margin-bottom: 15px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #666;
}

.car-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.car-info h3 {
    margin-bottom: 5px;
    font-size: 1.25rem;
}

.car-details {
    display: flex;
    justify-content: space-between;
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 15px;
}

.car-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-gold);
}

.badge-hot {
    background: #ff4d4d;
    color: white;
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 800;
    text-transform: uppercase;
    position: absolute;
    top: 15px;
    right: 15px;
    z-index: 10;
}

/* Footer */
footer {
    padding: 60px 0 20px;
    background: var(--bg-surface);
    border-top: 1px solid var(--glass-border);
    margin-top: 100px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    margin-bottom: 40px;
}

.footer-bottom {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
    border-top: 1px solid var(--glass-border);
    padding-top: 20px;
}

/* Utility classes */
.text-gold { color: var(--accent-gold); }
.mt-4 { margin-top: 1.5rem; }
.mb-4 { margin-bottom: 1.5rem; }
.d-flex { display: flex; }
.justify-between { justify-content: space-between; }
.align-center { align-items: center; }
.text-center { text-align: center; }
.w-100 { width: 100%; }