/* DESIGN SYSTEM : VITESSE & PRÉCISION (Auto / Moto / Detailing) */
:root {
    --color-primary: #1A1A1A; /* Carbone / Asphalte */
    --color-primary-light: #2D2D2D; /* Gris métallisé sombre */
    --color-accent: #E63946; /* Rouge Racing */
    --color-accent-hover: #D62828;
    --color-text: #FFFFFF;
    --color-text-light: #A0AEC0;
    --color-bg: #0D0D0D; /* Noir profond */
    --color-white: #141414; /* Gris très sombre pour les cartes */
    --font-heading: 'Syncopate', 'Montserrat', sans-serif;
    --font-body: 'Inter', sans-serif;
}

/* RESET & BASE */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-body);
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.6;
    overflow-x: hidden;
}

/* TYPOGRAPHY */
h1, h2, h3, h4 {
    font-family: var(--font-heading);
    text-transform: uppercase;
    font-weight: 800;
    letter-spacing: 1px;
}

.section-title {
    font-size: 2.5rem;
    color: var(--color-text);
    margin-bottom: 15px;
    text-align: center;
    position: relative;
    padding-bottom: 15px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%) skewX(-20deg);
    width: 60px;
    height: 4px;
    background: var(--color-accent);
}

.section-desc {
    text-align: center;
    color: var(--color-text-light);
    max-width: 600px;
    margin: 0 auto 40px;
}

/* LAYOUT */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: 80px 0;
}

/* HEADER & NAV */
.header {
    background: rgba(13, 13, 13, 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

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

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--color-text);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
    text-transform: uppercase;
    font-style: italic;
}

.logo i {
    color: var(--color-accent);
}

.nav-links {
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--color-text-light);
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    transition: color 0.3s;
    letter-spacing: 1px;
}

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

/* BUTTONS */
.btn {
    display: inline-block;
    padding: 12px 28px;
    font-weight: bold;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    transform: skewX(-10deg);
    border: none;
    cursor: pointer;
    text-align: center;
}

.btn span {
    display: inline-block;
    transform: skewX(10deg);
}

.btn-primary {
    background: var(--color-accent);
    color: white !important;
}

.btn-primary:hover {
    background: var(--color-accent-hover);
    box-shadow: 0 10px 20px rgba(230, 57, 70, 0.3);
}

/* HERO SECTION */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    background: var(--color-bg);
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.4;
    filter: grayscale(80%) contrast(120%);
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, var(--color-bg) 0%, rgba(13,13,13,0.7) 100%);
}

.hero-content {
    position: relative;
    z-index: 10;
    max-width: 600px;
}

.hero h1 {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 20px;
    text-shadow: 0 5px 15px rgba(0,0,0,0.5);
    font-style: italic;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    color: var(--color-text-light);
}

/* CARDS */
.auto-card {
    background: var(--color-white);
    padding: 30px;
    border-radius: 4px;
    border-top: 3px solid transparent;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.auto-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: repeating-linear-gradient(
        45deg,
        rgba(255,255,255,0.02),
        rgba(255,255,255,0.02) 10px,
        transparent 10px,
        transparent 20px
    );
    opacity: 0;
    transition: opacity 0.3s;
}

.auto-card:hover {
    transform: translateY(-5px);
    border-top-color: var(--color-accent);
    background: #1A1A1A;
}

.auto-card:hover::before {
    opacity: 1;
}

.auto-card i {
    font-size: 2.5rem;
    color: var(--color-accent);
    margin-bottom: 20px;
    display: inline-block;
}

/* FORMS */
input, select, textarea {
    background: var(--color-primary);
    border: 1px solid var(--color-primary-light);
    color: var(--color-text);
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--color-accent);
}

/* UTILS */
.text-center { text-align: center; }
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}
.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 900px) {
    .mobile-toggle { display: block !important; }
    .nav-links { display: none; flex-direction: column; position: absolute; top: 100%; left: 0; right: 0; background: var(--color-primary); padding: 20px; box-shadow: 0 10px 30px rgba(0,0,0,0.5); gap: 15px; }
    .nav-links.active { display: flex; }
    .about-grid { grid-template-columns: 1fr !important; gap: 40px !important; }
    .contact-grid { grid-template-columns: 1fr !important; gap: 40px !important; }
    .form-2col { grid-template-columns: 1fr !important; }
    .services-grid { grid-template-columns: 1fr !important; }
    .hero h1 { font-size: 2.6rem; }
    .hero p { font-size: 1rem; }
    .header-container { height: 70px; }
}

/* Avis clients */
.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}
.review-card {
    background: var(--color-white);
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.06);
}
.review-card .stars {
    color: var(--color-accent);
    margin-bottom: 15px;
    font-size: 14px;
}
.review-text {
    color: var(--color-text);
    font-style: italic;
    line-height: 1.6;
    margin-bottom: 20px;
}
.review-author h4 {
    margin: 0;
    font-size: 15px;
    color: var(--color-primary);
}
.review-author span {
    font-size: 12px;
    color: var(--color-text-light);
}