/* =========================================================
   VENTURI DECO — HEADER ET NAVIGATION
   Utilisé sur toutes les pages
   ========================================================= */

/* Header principal */
.site-header {
    position: fixed;
    top: 0;
    right: 0;
    left: 0;
    z-index: var(--z-header);

    height: var(--header-height);

    border-bottom: 1px solid transparent;
    background: transparent;

    transition:
        height var(--transition-normal),
        background-color var(--transition-normal),
        border-color var(--transition-normal),
        box-shadow var(--transition-normal),
        backdrop-filter var(--transition-normal);
}

/* Header après défilement */
.site-header.is-scrolled {
    height: 78px;

    border-color: var(--color-border);
    background: rgba(7, 7, 7, 0.88);

    box-shadow:
        0 10px 40px rgba(0, 0, 0, 0.25);

    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}

/* Contenu intérieur du header */
.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-lg);

    width:
        min(
            calc(100% - (var(--page-padding) * 2)),
            var(--container-width)
        );

    height: 100%;
    margin-inline: auto;
}

/* Logo */
.site-logo {
    position: relative;
    z-index: calc(var(--z-menu) + 1);

    display: inline-flex;
    align-items: center;
    flex-shrink: 0;
}

.site-logo img {
    width: 175px;
    max-height: 68px;

    object-fit: contain;

    filter:
        drop-shadow(
            0 5px 16px rgba(0, 0, 0, 0.55)
        );

    transition:
        width var(--transition-normal),
        transform var(--transition-fast);
}

.site-logo:hover img {
    transform: scale(1.025);
}

.site-header.is-scrolled .site-logo img {
    width: 150px;
}

/* Navigation */
.site-nav {
    display: flex;
    align-items: center;
}

.site-nav__list {
    display: flex;
    align-items: center;
    gap: clamp(
        20px,
        2.5vw,
        38px
    );

    list-style: none;
}

/* Liens du menu */
.site-nav__link {
    position: relative;

    display: inline-flex;
    align-items: center;

    padding-block: 12px;

    color: var(--color-white);

    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    line-height: 1;
    text-transform: uppercase;
}

.site-nav__link::after {
    content: "";

    position: absolute;
    right: 0;
    bottom: 4px;
    left: 0;

    height: 2px;

    background: var(--color-orange);

    transform: scaleX(0);
    transform-origin: right;

    transition:
        transform var(--transition-normal);
}

.site-nav__link:hover,
.site-nav__link.is-active,
.site-nav__link[aria-current="page"] {
    color: var(--color-orange);
}

.site-nav__link:hover::after,
.site-nav__link.is-active::after,
.site-nav__link[aria-current="page"]::after {
    transform: scaleX(1);
    transform-origin: left;
}

/* Bouton contact du menu */
.site-nav__link--contact {
    padding: 15px 20px;

    border: 1px solid rgba(255, 255, 255, 0.48);

    transition:
        color var(--transition-fast),
        border-color var(--transition-fast),
        background-color var(--transition-fast);
}

.site-nav__link--contact::after {
    display: none;
}

.site-nav__link--contact:hover,
.site-nav__link--contact.is-active,
.site-nav__link--contact[aria-current="page"] {
    border-color: var(--color-orange);
    background: var(--color-orange);
    color: var(--color-white);
}

/* Bouton du menu mobile */
.menu-toggle {
    position: relative;
    z-index: calc(var(--z-menu) + 1);

    display: none;
    align-items: center;
    justify-content: center;

    width: 48px;
    height: 48px;

    color: var(--color-white);
}

/* Lignes du bouton mobile */
.menu-toggle__lines {
    position: relative;

    display: block;

    width: 28px;
    height: 18px;
}

.menu-toggle__line {
    position: absolute;
    left: 0;

    display: block;

    width: 28px;
    height: 2px;

    border-radius: var(--radius-round);
    background: currentColor;

    transition:
        top var(--transition-normal),
        transform var(--transition-normal),
        opacity var(--transition-fast);
}

.menu-toggle__line:nth-child(1) {
    top: 0;
}

.menu-toggle__line:nth-child(2) {
    top: 8px;
}

.menu-toggle__line:nth-child(3) {
    top: 16px;
}

/* Transformation en croix */
.menu-toggle.is-open .menu-toggle__line:nth-child(1) {
    top: 8px;
    transform: rotate(45deg);
}

.menu-toggle.is-open .menu-toggle__line:nth-child(2) {
    opacity: 0;
}

.menu-toggle.is-open .menu-toggle__line:nth-child(3) {
    top: 8px;
    transform: rotate(-45deg);
}

/* Fond du menu mobile */
.menu-backdrop {
    position: fixed;
    inset: 0;
    z-index: calc(var(--z-header) - 1);

    visibility: hidden;

    background: rgba(0, 0, 0, 0.65);
    opacity: 0;

    transition:
        visibility var(--transition-normal),
        opacity var(--transition-normal);
}

.menu-backdrop.is-visible {
    visibility: visible;
    opacity: 1;
}