/**
 * header.css — Navigation et en-tête du site
 *
 * @package developer
 * @since   1.0.0
 */

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: var(--z-sticky);
    transition: background-color var(--transition-base), padding var(--transition-base), box-shadow var(--transition-base);
    padding: var(--space-md) 0;
    background-color: transparent;
}

.site-header--scrolled {
    background-color: rgba(7, 5, 4, 0.95);
    backdrop-filter: blur(10px);
    padding: var(--space-xs) 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    border-bottom: 1px solid rgba(197, 141, 38, 0.15);
}

.site-header__container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Logo */
.site-header__logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    text-decoration: none;
}

.site-header__logo-text {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    letter-spacing: var(--letter-spacing-wider);
    color: var(--color-white);
    text-transform: uppercase;
}

.site-header__logo-text span {
    color: var(--color-gold);
}

.site-header__logo-img {
    max-height: 80px;
    width: auto;
    display: block;
}

/* Navigation Desktop */
.nav-desktop {
    display: none;
}

.nav-desktop__list {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.nav-desktop__link {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-white);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wide);
    position: relative;
    padding: var(--space-xs) 0;
    transition: color var(--transition-fast);
}

.nav-desktop__link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-gold);
    transition: width var(--transition-base);
}

.nav-desktop__link:hover,
.nav-desktop__link--active {
    color: var(--color-gold);
}

.nav-desktop__link:hover::after,
.nav-desktop__link--active::after {
    width: 100%;
}

/* Actions Header (Téléphone & Devis) */
.header-actions {
    display: none;
    align-items: center;
    gap: var(--space-md);
}

.header-actions__phone {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    color: var(--color-white);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    transition: color var(--transition-fast);
}

.header-actions__phone:hover {
    color: var(--color-gold);
}

.header-actions__phone svg {
    color: var(--color-gold);
}

/* Menu Mobile Burger */
.burger-menu {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 20px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: calc(var(--z-overlay) + 1);
}

.burger-menu__line {
    width: 100%;
    height: 2px;
    background-color: var(--color-gold);
    transition: transform var(--transition-base), opacity var(--transition-base);
}

.burger-menu--active .burger-menu__line:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
}

.burger-menu--active .burger-menu__line:nth-child(2) {
    opacity: 0;
}

.burger-menu--active .burger-menu__line:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
}

/* Menu Mobile Drawer */
.nav-mobile {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    max-width: 400px;
    height: 100vh;
    background-color: var(--color-black);
    z-index: var(--z-overlay);
    padding: 100px var(--space-xl) var(--space-2xl);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: right var(--transition-spring);
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.5);
    border-left: 1px solid rgba(197, 141, 38, 0.2);
}

.nav-mobile--open {
    right: 0;
}

.nav-mobile__list {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.nav-mobile__link {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-white);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wider);
    transition: color var(--transition-fast);
}

.nav-mobile__link:hover,
.nav-mobile__link--active {
    color: var(--color-gold);
}

.nav-mobile__footer {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    padding-top: var(--space-xl);
    border-top: 1px solid rgba(216, 210, 200, 0.1);
}

.mobile-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: calc(var(--z-overlay) - 1);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-base), visibility var(--transition-base);
}

.mobile-overlay--visible {
    opacity: 1;
    visibility: visible;
}