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

body {
    font-family: 'Montserrat', sans-serif;
    background: #ffffff;
    color: #222;
    line-height: 1.6;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: auto;
}

.section-padding {
    padding: 90px 0;
}

/* HEADER */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(0,0,0,0.85);
    z-index: 999;
    padding: 20px 0;
}

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

.logo a {
    color: white;
    text-decoration: none;
    font-size: 28px;
    font-weight: 700;
}

.logo span {
    color: #c8a96b;
}

.navbar ul {
    display: flex;
    list-style: none;
    gap: 30px;
}

.navbar li {
    position: relative;
}

.navbar a {
    color: white;
    text-decoration: none;
    transition: 0.3s;
}

.navbar a:hover {
    color: #c8a96b;
}


/* DROPDOWN */

.submenu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 100%;
    width: max-content;
    background: rgba(0,0,0,0.95);
    border-radius: 10px;
    padding: 10px 0;
    display: flex;
    flex-direction: column;
    gap: 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
    z-index: 999;
}

.submenu li {

    width: 100%;

}

.submenu a {
    padding: 12px 20px;
    color: white;
    font-size: 14px;
    white-space: nowrap;
    transition: 0.3s;
}

.submenu a:hover {
    color: #c8a96b;
}

/* Affichage au survol */

.dropdown:hover .submenu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.btn-nav {
    border: 1px solid #c8a96b;
    padding: 10px 18px;
    border-radius: 30px;
}

/* HERO */
.hero {
    height: 100vh;
    background: url('../img/hero.jpg') center/cover no-repeat;
    position: relative;
    display: flex;
    align-items: center;
    color: white;
    overflow: hidden;
}

/* Filigrane véhicule premium */
.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: url('../img/voiture-premium-profil.png') center/cover no-repeat;
    opacity: 0.08;
    z-index: 1;
}

.overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.6);
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    max-width: 700px;
}

.hero h1 {
    font-size: 58px;
    line-height: 1.2;
    margin-bottom: 25px;
}

.hero p {
    font-size: 20px;
    margin-bottom: 35px;
}

.hero-buttons {
    display: flex;
    gap: 20px;
}

.btn-primary,
.btn-secondary {
    padding: 15px 30px;
    border-radius: 40px;
    text-decoration: none;
    font-weight: 600;
    transition: 0.3s;
}

.btn-primary {
    background: #c8a96b;
    color: black;
}

.btn-secondary {
    border: 1px solid white;
    color: white;
}

.btn-primary:hover,
.btn-secondary:hover {
    transform: translateY(-2px);
}

/* TITRES */
.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 40px;
    margin-bottom: 15px;
}

/* SERVICES */
.services-grid,
.advantages-grid,
.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 30px;
}

.service-card,
.advantage-box,
.step-card {
    padding: 35px;
    border-radius: 20px;
    background: #f8f8f8;
    transition: 0.3s;
}

.advantage-box {
    color : #222;
}


.service-card:hover,
.advantage-box:hover,
.step-card:hover {
    transform: translateY(-5px);
}

.dark-section {
    background: #111;
    color: white;
}

.light h2 {
    color: white;
}

.step-card span {
    font-size: 40px;
    font-weight: bold;
    color: #c8a96b;
}

/* CTA */
.cta {
    background: #c8a96b;
    text-align: center;
}

.cta h2 {
    font-size: 42px;
    margin-bottom: 20px;
}

.cta p {
    margin-bottom: 30px;
}

/* FOOTER */
.footer {
    background: #000;
    color: white;
    text-align: center;
    padding: 40px 0;
}

/* RESPONSIVE */
@media (max-width: 768px) {

    .hero h1 {
        font-size: 40px;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .navbar ul {
        gap: 15px;
        font-size: 14px;
    }

}