/* Variables personnalisées - Thème sobre noir et blanc */
:root {
    --primary-black: #000000;
    --secondary-black: #333333;
    --light-gray: #f8f9fa;
    --border-gray: #dee2e6;
}

/* Smooth scroll */
html {
    scroll-behavior: smooth;
}

body {
    color: var(--secondary-black);
}

/* Navigation active state */
.nav-link {
    color: var(--secondary-black) !important;
    font-weight: 400;
}

.nav-link.active {
    color: var(--primary-black) !important;
    font-weight: 600;
    border-bottom: 2px solid var(--primary-black);
}

/* Section title styling */
.section-title {
    color: var(--primary-black);
    font-weight: 600;
}

/* Social links - sobre */
.social-link {
    color: var(--secondary-black);
    text-decoration: none;
}

.social-link:hover {
    color: var(--primary-black);
}

/* Cards - sobre sans effets extravagants */
.brand-card {
    border: 1px solid var(--border-gray);
    transition: box-shadow 0.2s ease;
}

.brand-card:hover {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* Boutons sobres */
.btn-primary {
    background-color: var(--primary-black) !important;
    border-color: var(--primary-black) !important;
    color: white !important;
}

.btn-primary:hover {
    background-color: var(--secondary-black) !important;
    border-color: var(--secondary-black) !important;
}

/* Links sobres */
a {
    color: var(--primary-black);
}

a:hover {
    color: var(--secondary-black);
}

/* Menu burger */
.navbar-toggler {
    border: none;
    background: transparent;
    padding: 0.5rem;
}

.navbar-toggler-icon {
    display: inline-block;
    width: 24px;
    height: 2px;
    background-color: var(--primary-black);
    position: relative;
    transition: all 0.3s ease;
}

.navbar-toggler-icon::before,
.navbar-toggler-icon::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background-color: var(--primary-black);
    left: 0;
    transition: all 0.3s ease;
}

.navbar-toggler-icon::before {
    top: -8px;
}

.navbar-toggler-icon::after {
    top: 8px;
}

.navbar-toggler.active .navbar-toggler-icon {
    background-color: transparent;
}

.navbar-toggler.active .navbar-toggler-icon::before {
    transform: rotate(45deg);
    top: 0;
}

.navbar-toggler.active .navbar-toggler-icon::after {
    transform: rotate(-45deg);
    top: 0;
}

/* Mobile menu */
.mobile-menu {
    display: none;
    border-top: 1px solid var(--border-gray);
}

.mobile-menu.show {
    display: block;
}

.mobile-menu .nav-link {
    padding: 0.5rem 0;
    border-bottom: 1px solid transparent;
}

.mobile-menu .nav-link:hover {
    color: var(--primary-black) !important;
}