:root {
    --gold-main: #d4af37;
    --deep-bg: #0f0f0f;
    --card-surface: #1a1a1a;
    --text-pure: #ffffff;
    --danger-red: #cc0000;
    --speed: 0.25s ease-in-out;
}


* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}


::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #111;
}
::-webkit-scrollbar-thumb {
    background: var(--gold-main);
    border-radius: 10px;
}

body {
    background-color: #121212; 
    color: #efefef;
    line-height: 1.6;
    overflow-x: hidden;
}


header {
    background: #000;
    padding: 1rem 6%;
    border-bottom: 2px solid var(--gold-main);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 999;
}

.brand-wrap h1 {
    font-size: 1.6rem;
    letter-spacing: 1px;
}

nav ul {
    display: flex; 
    list-style: none;
    gap: 22px;
}

nav a {
    color: #ccc;
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: var(--speed);
}

nav a:hover, nav a.active {
    color: var(--gold-main);
    text-shadow: 0 0 8px rgba(212, 175, 55, 0.4);
}


.grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); 
    gap: 30px;
    padding: 50px 6%;
}

.car-card {
    background: var(--card-surface);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid #2a2a2a;
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    text-align: center;
    padding-bottom: 20px;
}

.car-card:hover {
    transform: scale(1.03);
    border-color: var(--gold-main);
    box-shadow: 0 10px 25px rgba(0,0,0,0.5);
}

.car-img {
    width: 100%;
    height: 210px;
    object-fit: cover; 
    border-bottom: 1px solid #333;
}


.form-section, .upload-card {
    max-width: 550px;
    margin: 60px auto;
    background: #1a1a1a;
    padding: 35px;
    border-radius: 10px;
    border: 1px solid #333;
}

.input-block, .field-wrap {
    margin-bottom: 18px;
}

label {
    display: block;
    font-size: 0.85rem;
    margin-bottom: 6px;
    color: var(--gold-main);
    text-transform: uppercase;
}

input, select {
    width: 100%;
    padding: 14px;
    background: #0a0a0a;
    border: 1px solid #444;
    color: #fff;
    border-radius: 6px;
    outline: none;
}

input:focus {
    border-color: var(--gold-main);
}


.btn, button {
    background: var(--gold-main);
    color: #000;
    border: none;
    padding: 12px 24px;
    font-weight: 700;
    text-transform: uppercase;
    cursor: pointer;
    border-radius: 4px;
    transition: 0.2s;
}

.btn:hover, button:hover {
    background: #fff;
    transform: translateY(-2px);
}

.btn-danger {
    background: var(--danger-red);
    color: white;
}

.btn-danger:hover {
    background: #ff0000;
}


.summary-card {
    background: #222;
    padding: 20px;
    border-radius: 15px;
    border: 1px dashed var(--gold-main);
    text-align: center;
}


@media (max-width: 768px) {
    header {
        flex-direction: column;
        padding: 20px;
    }
    
    nav ul {
        margin-top: 15px;
        flex-wrap: wrap;
        justify-content: center;
    }
}

footer {
    text-align: center;
    padding: 60px 20px;
    background: #000;
    color: #555;
    font-size: 0.8rem;
    border-top: 1px solid #222;
}