/* Color Variables */
:root {
    --black: #0F0F0F;
    --dark-gray: #1C1C1C;
    --silver: #C0C0C0;
    --dark-blue: #1E3A8A;
    --white: #FFFFFF;
    --light-gray: #888888;
}

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

body {
    font-family: Arial, sans-serif;
    background-color: var(--black);
    color: var(--silver);
    line-height: 1.6;
    scroll-behavior: smooth;
}

h1, h2, h3, h4 {
    color: var(--white);
    font-weight: 600;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Navigation */
.navbar {
    background-color: rgba(15, 15, 15, 0.95);
    padding: 1rem 0;
    z-index: 999;
    transition: all 0.3s ease;
}

.navbar.sticky {
    position: sticky;
    top: 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.4);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo h2 {
    font-size: 1.4rem;
    letter-spacing: 1px;
}

.tagline {
    font-size: 0.8rem;
    color: var(--light-gray);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    color: var(--silver);
    text-decoration: none;
    font-weight: 400;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:hover, .nav-link.active {
    color: var(--white);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--dark-blue);
}

.btn-nav {
    background-color: var(--dark-blue);
    padding: 0.5rem 1.2rem;
    border-radius: 6px;
    color: var(--white) !important;
}

.btn-nav:hover {
    background-color: #2548b0;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 2px;
    background-color: var(--white);
}

/* Hero Section */
.hero-full {
    min-height: 100vh;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.overlay-dark {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(15,15,15,0.75);
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 0.5rem;
    letter-spacing: 2px;
}

.sub-head {
    font-size: 1.4rem;
    color: var(--silver);
    margin-bottom: 1.5rem;
}

.desc {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    color: var(--light-gray);
}

.hero-buttons {
    display: flex;
    gap: 1.2rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 0.9rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background-color: var(--dark-blue);
    color: var(--white);
}

.btn-primary:hover {
    background-color: #2548b0;
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(30, 58, 138, 0.3);
}

.btn-outline {
    background-color: transparent;
    color: var(--white);
    border: 2px solid var(--dark-blue);
}

.btn-outline:hover {
    background-color: var(--dark-blue);
    transform: translateY(-3px);
}

/* General Section */
.section {
    padding: 4rem 0;
}

.section-title {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 1rem;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 70px;
    height: 3px;
    background-color: var(--dark-blue);
}

.demo-note {
    text-align: center;
    color: var(--light-gray);
    font-style: italic;
    margin-bottom: 2.5rem;
}

/* 4‑Column Grid */
.grid-4 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.8rem;
}

/* Featured Cars */
.featured-img {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
    transition: transform 0.35s ease;
    aspect-ratio: 4 / 3;
    max-width: 320px;
    margin: 0 auto;
}

.featured-img:hover {
    transform: translateY(-6px);
}

.featured-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* Collection Grid */
.grid-collection {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
}

.collection-item {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
    transition: transform 0.3s ease;
    aspect-ratio: 4 / 3;
    max-width: 320px;
    margin: 0 auto;
}

.collection-item:hover {
    transform: translateY(-5px);
}

.collection-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* Service Cards */
.service-card {
    background: var(--dark-gray);
    padding: 1.5rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
    transition: transform 0.3s ease;
}

.service-card:hover {
    transform: translateY(-6px);
}

.service-card h3 {
    margin-bottom: 0.8rem;
    color: var(--dark-blue);
}

/* About Section */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.about-img {
    width: 100%;
    max-width: 450px;
    margin: 0 auto;
    border-radius: 14px;
    box-shadow: 0 6px 20px rgba(0,0,0,0.4);
    aspect-ratio: 4 / 3;
    object-fit: cover;
}

.about-text p {
    margin-bottom: 1.2rem;
    color: var(--silver);
}

.sub-heading {
    margin: 2rem 0 1rem;
    font-size: 1.4rem;
}

.benefit-list {
    list-style: none;
}

.benefit-list li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.benefit-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--dark-blue);
    font-weight: bold;
}

/* Contact Section */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.contact-info p {
    margin-bottom: 1rem;
    font-size: 1rem;
}

.map-box {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

/* Footer */
.footer {
    background-color: var(--dark-gray);
    text-align: center;
    padding: 2rem 0;
}

.footer h3 {
    margin-bottom: 0.4rem;
}

/* Animation */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.7s ease;
}

.fade-up.active {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive */
@media(max-width: 992px) {
    .about-content, .contact-grid {
        grid-template-columns: 1fr;
    }
}

@media(max-width: 768px) {
    .nav-menu {
        position: absolute;
        top: 100%;
        left: -100%;
        flex-direction: column;
        background-color: var(--dark-gray);
        width: 100%;
        padding: 1.5rem 0;
        transition: left 0.4s ease;
    }
    .nav-menu.active {
        left: 0;
    }
    .hamburger {
        display: flex;
    }
    .hero-content h1 {
        font-size: 2.4rem;
    }
    .grid-4, .grid-collection {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
}