/**
 * Enhanced Header & Navigation
 * Design professionnel et moderne
 *
 * @package NormandieSeminaire
 * @since 1.0.0
 */

/* ==========================================================================
   TOP BANNER - Amélioration
   ========================================================================== */

.top-banner {
    background: linear-gradient(135deg, var(--color-fond-sombre) 0%, #1a2540 100%);
    padding: var(--space-2) 0;
    position: relative;
    overflow: hidden;
}

.top-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    pointer-events: none;
}

.top-banner__text {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    margin: 0;
    font-size: var(--text-xs);
    color: var(--color-gris-300);
    text-align: center;
    flex-wrap: wrap;
}

.top-banner__highlight {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--color-or);
    font-weight: 600;
}

.top-banner__highlight::before {
    content: '';
    display: inline-block;
    width: 8px;
    height: 8px;
    background: var(--color-or);
    border-radius: 50%;
    animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
}

.top-banner__separator {
    color: var(--color-gris-600);
}

@media (max-width: 640px) {
    .top-banner__text {
        font-size: 11px;
    }
    .top-banner__separator {
        display: none;
    }
    .top-banner__text > span:last-child {
        display: none;
    }
}

/* ==========================================================================
   SITE HEADER - Style Premium
   ========================================================================== */

.site-header {
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    background: var(--color-blanc);
    border-bottom: 1px solid var(--color-gris-100);
    transition: all var(--transition-normal);
}

.site-header.is-scrolled {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border-bottom-color: transparent;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-6);
    min-height: 72px;
    padding: var(--space-2) 0;
}

@media (min-width: 1024px) {
    .header-inner {
        min-height: 80px;
    }
}

/* ==========================================================================
   LOGO - Style raffiné
   ========================================================================== */

.site-branding {
    flex-shrink: 0;
}

.site-logo img {
    max-height: 50px;
    width: auto;
}

.site-logo-text {
    display: flex;
    flex-direction: column;
    text-decoration: none;
    line-height: 1.2;
}

.site-title {
    font-family: var(--font-display);
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--color-gris-900);
    letter-spacing: -0.02em;
    transition: color var(--transition-fast);
}

.site-logo-text:hover .site-title {
    color: var(--color-rouge-normand);
}

.site-tagline {
    font-size: var(--text-xs);
    color: var(--color-or);
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

/* ==========================================================================
   NAVIGATION - Style professionnel
   ========================================================================== */

.primary-navigation {
    display: none;
    flex: 1;
    justify-content: center;
}

@media (min-width: 1024px) {
    .primary-navigation {
        display: flex;
    }
}

/* Menu principal */
.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-menu .menu-item {
    position: relative;
}

.nav-menu .menu-item > a {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-2) var(--space-4);
    color: var(--color-gris-700);
    font-size: var(--text-sm);
    font-weight: 500;
    text-decoration: none;
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.nav-menu .menu-item > a:hover {
    color: var(--color-rouge-normand);
    background: rgba(185, 28, 28, 0.06);
}

.nav-menu .menu-item.current-menu-item > a,
.nav-menu .menu-item.current-menu-ancestor > a {
    color: var(--color-rouge-normand);
    background: rgba(185, 28, 28, 0.08);
}

/* Items avec sous-menu */
.nav-menu .menu-item-has-children > a::after {
    content: '';
    display: inline-block;
    width: 0;
    height: 0;
    margin-left: var(--space-1);
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 4px solid currentColor;
    transition: transform var(--transition-fast);
}

.nav-menu .menu-item-has-children:hover > a::after {
    transform: rotate(180deg);
}

/* Sous-menu dropdown */
.nav-menu .sub-menu {
    position: absolute;
    top: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    min-width: 220px;
    padding: var(--space-2);
    background: var(--color-blanc);
    border-radius: var(--radius-xl);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.12), 0 2px 10px rgba(0, 0, 0, 0.08);
    border: 1px solid var(--color-gris-100);
    list-style: none;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
    z-index: 100;
}

.nav-menu .sub-menu::before {
    content: '';
    position: absolute;
    top: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    border-bottom: 8px solid var(--color-blanc);
    filter: drop-shadow(0 -2px 2px rgba(0,0,0,0.05));
}

.nav-menu .menu-item-has-children:hover > .sub-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.nav-menu .sub-menu .menu-item a {
    display: block;
    padding: var(--space-3) var(--space-4);
    color: var(--color-gris-700);
    font-size: var(--text-sm);
    font-weight: 500;
    text-decoration: none;
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
}

.nav-menu .sub-menu .menu-item a:hover {
    background: var(--color-gris-50);
    color: var(--color-rouge-normand);
    padding-left: var(--space-5);
}

.nav-menu .sub-menu .menu-item.current-menu-item a {
    background: rgba(185, 28, 28, 0.06);
    color: var(--color-rouge-normand);
}

/* ==========================================================================
   HEADER PHONE - Numéro de téléphone
   ========================================================================== */

.header-phone {
    display: none;
    flex-shrink: 0;
}

@media (min-width: 768px) {
    .header-phone {
        display: block;
    }
}

.header-phone__link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    color: var(--color-gris-700);
    font-size: var(--text-sm);
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-lg);
    background: var(--color-gris-50);
    border: 1px solid var(--color-gris-200);
    transition: all var(--transition-fast);
}

.header-phone__link:hover {
    color: var(--color-rouge-normand);
    background: rgba(185, 28, 28, 0.06);
    border-color: rgba(185, 28, 28, 0.2);
}

.header-phone__link .icon {
    width: 16px;
    height: 16px;
    color: var(--color-rouge-normand);
}

.header-phone__number {
    letter-spacing: 0.02em;
}

/* ==========================================================================
   HEADER CTA - Bouton premium
   ========================================================================== */

.header-cta {
    flex-shrink: 0;
    display: none;
}

@media (min-width: 768px) {
    .header-cta {
        display: block;
    }
}

.header-cta .btn {
    padding: var(--space-3) var(--space-5);
    font-size: var(--text-sm);
    font-weight: 600;
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 12px rgba(185, 28, 28, 0.25);
    transition: all var(--transition-fast);
}

.header-cta .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(185, 28, 28, 0.35);
}

/* ==========================================================================
   MOBILE MENU TOGGLE
   ========================================================================== */

.mobile-menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    padding: 0;
    background: var(--color-gris-50);
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
}

@media (min-width: 1024px) {
    .mobile-menu-toggle {
        display: none;
    }
}

.mobile-menu-toggle:hover {
    background: var(--color-gris-100);
}

.mobile-menu-toggle[aria-expanded="true"] {
    background: var(--color-rouge-normand);
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger-line {
    background: var(--color-blanc);
}

.hamburger {
    display: flex;
    flex-direction: column;
    gap: 5px;
    width: 20px;
}

.hamburger-line {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--color-gris-700);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ==========================================================================
   MOBILE NAVIGATION - Style moderne
   ========================================================================== */

.mobile-navigation {
    position: fixed;
    inset: 0;
    z-index: calc(var(--z-sticky) - 1);
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.mobile-navigation.is-open {
    opacity: 1;
    visibility: visible;
}

.mobile-navigation__inner {
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    max-width: 360px;
    height: 100%;
    padding: calc(72px + var(--space-8)) var(--space-6) var(--space-8);
    background: var(--color-blanc);
    transform: translateX(100%);
    transition: transform var(--transition-normal);
    overflow-y: auto;
}

.mobile-navigation.is-open .mobile-navigation__inner {
    transform: translateX(0);
}

.mobile-nav-menu {
    list-style: none;
    margin: 0;
    padding: 0;
}

.mobile-nav-menu .menu-item > a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4);
    color: var(--color-gris-800);
    font-size: var(--text-base);
    font-weight: 500;
    text-decoration: none;
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-1);
    transition: all var(--transition-fast);
}

.mobile-nav-menu .menu-item > a:hover {
    background: var(--color-gris-50);
    color: var(--color-rouge-normand);
}

.mobile-nav-menu .current-menu-item > a {
    background: rgba(185, 28, 28, 0.08);
    color: var(--color-rouge-normand);
}

.mobile-nav-menu .sub-menu {
    list-style: none;
    padding: 0 0 0 var(--space-4);
    margin: 0;
}

.mobile-nav-menu .sub-menu a {
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-sm);
    color: var(--color-gris-600);
}

.mobile-navigation__cta {
    padding-top: var(--space-6);
    border-top: 1px solid var(--color-gris-200);
    margin-top: var(--space-6);
}

.mobile-navigation__cta .btn {
    width: 100%;
    justify-content: center;
}

/* ==========================================================================
   STICKY CTA MOBILE
   ========================================================================== */

.sticky-cta {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: var(--z-sticky);
    padding: var(--space-4);
    background: linear-gradient(to top, var(--color-blanc) 70%, transparent);
    opacity: 0;
    visibility: hidden;
    transform: translateY(100%);
    transition: all var(--transition-normal);
}

.sticky-cta.is-visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

@media (min-width: 768px) {
    .sticky-cta {
        display: none;
    }
}

.sticky-cta .btn {
    width: 100%;
    justify-content: center;
    padding: var(--space-4);
    font-size: var(--text-base);
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.15);
}