/* ===================================================
   HEADER - SENEGAL HABITAT
=================================================== */

/* Top Bar */
.header-topbar {
    background: var(--color-primary-dark);
    padding: 0.5rem 0;
    font-size: 0.8rem;
}

.topbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.topbar-contact {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    flex-wrap: wrap;
}

.topbar-link {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.topbar-link:hover {
    color: var(--color-gold);
}

.topbar-link i {
    color: var(--color-gold);
    font-size: 0.75rem;
}

.topbar-social {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.topbar-social .social-link {
    width: 28px;
    height: 28px;
    font-size: 0.75rem;
    background: rgba(255,255,255,0.1);
}

.topbar-social .social-link:hover {
    background: var(--color-gold);
    color: var(--color-primary);
    transform: none;
}

.topbar-social .whatsapp-icon {
    background: var(--color-whatsapp);
}

/* Main Header */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    width: 100%;
    box-shadow: var(--shadow-sm);
}

.header-main {
    background: var(--color-white);
    border-bottom: 2px solid var(--color-gray);
    transition: all var(--transition-base);
}

.header-main.scrolled {
    box-shadow: var(--shadow-lg);
    border-bottom-color: transparent;
}

.header-main-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    padding: 1rem 0;
}

/* Logo */
.site-logo {
    flex-shrink: 0;
    text-decoration: none;
}

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

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1;
}

.logo-main {
    font-family: var(--font-primary);
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--color-primary);
    letter-spacing: 0.05em;
}

.logo-sub {
    font-family: var(--font-secondary);
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--color-gold);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-top: 2px;
}

/* Footer logo */
.footer-logo .logo-main { color: var(--color-white); }

/* Nav Menu */
.main-nav {
    flex: 1;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 0;
    list-style: none;
    padding: 0;
    margin: 0;
}

.nav-menu > li {
    position: relative;
}

.nav-menu > li > a {
    display: block;
    padding: 0.65rem 0.9rem;
    color: var(--color-gray-dark);
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    transition: color var(--transition-fast);
    white-space: nowrap;
    position: relative;
}

.nav-menu > li > a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0.9rem;
    right: 0.9rem;
    height: 2px;
    background: var(--color-gold);
    transform: scaleX(0);
    transition: transform var(--transition-base);
    transform-origin: left;
}

.nav-menu > li > a:hover,
.nav-menu > li.current-menu-item > a,
.nav-menu > li.current-menu-ancestor > a {
    color: var(--color-primary);
}

.nav-menu > li > a:hover::after,
.nav-menu > li.current-menu-item > a::after,
.nav-menu > li.current-menu-ancestor > a::after {
    transform: scaleX(1);
}

/* Sub Menu */
.nav-menu .sub-menu {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    min-width: 220px;
    background: var(--color-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--color-gray);
    padding: 0.5rem 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition-base);
    z-index: 100;
    list-style: none;
}

.nav-menu > li:hover .sub-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.nav-menu .sub-menu li a {
    display: block;
    padding: 0.6rem 1.25rem;
    color: var(--color-gray-dark);
    font-size: 0.875rem;
    font-weight: 500;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.nav-menu .sub-menu li a:hover {
    color: var(--color-primary);
    background: var(--color-gray-light);
    padding-left: 1.5rem;
}

/* Header CTA */
.header-cta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-shrink: 0;
}

/* Mobile Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    flex-shrink: 0;
}

.hamburger-line {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-primary);
    border-radius: 2px;
    transition: transform var(--transition-base), opacity var(--transition-fast);
}

.mobile-menu-toggle.active .hamburger-line:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
.mobile-menu-toggle.active .hamburger-line:nth-child(2) {
    opacity: 0;
}
.mobile-menu-toggle.active .hamburger-line:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    left: -100%;
    width: min(380px, 100vw);
    height: 100vh;
    background: var(--color-white);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    transition: left var(--transition-base);
    box-shadow: var(--shadow-xl);
}

.mobile-menu.open {
    left: 0;
}

.mobile-menu-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--color-gray);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--color-primary);
}

.mobile-menu-header .logo-main,
.mobile-menu-header .logo-sub {
    color: var(--color-white);
}
.mobile-menu-header .logo-sub { color: var(--color-gold); }

.mobile-menu-close {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.1rem;
}

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

.mobile-nav-menu li a {
    display: block;
    padding: 1rem 1.5rem;
    font-weight: 600;
    color: var(--color-primary);
    text-decoration: none;
    border-bottom: 1px solid var(--color-gray-light);
    transition: all var(--transition-fast);
}

.mobile-nav-menu li a:hover {
    background: var(--color-gray-light);
    color: var(--color-gold);
    padding-left: 2rem;
}

.mobile-nav-menu .sub-menu {
    list-style: none;
    padding: 0;
    background: var(--color-gray-light);
}

.mobile-nav-menu .sub-menu li a {
    padding: 0.75rem 1.5rem 0.75rem 2.5rem;
    font-size: 0.9rem;
    font-weight: 500;
}

.mobile-menu-footer {
    margin-top: auto;
    padding: 1.5rem;
    background: var(--color-gray-light);
    border-top: 1px solid var(--color-gray);
}

.mobile-contact-info {
    margin-top: 1rem;
    text-align: center;
}

.mobile-contact-info a {
    color: var(--color-primary);
    font-weight: 600;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.mobile-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 9998;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    backdrop-filter: blur(2px);
}

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

/* ===================================================
   RESPONSIVE
=================================================== */
@media (max-width: 1024px) {
    .header-cta .btn:last-child {
        display: none;
    }
}

@media (max-width: 900px) {
    .main-nav { display: none; }
    .header-cta { display: none; }
    .mobile-menu-toggle { display: flex; }
    .topbar-address { display: none; }
}

@media (max-width: 640px) {
    .topbar-contact { gap: 0.75rem; }
    .topbar-contact .topbar-link:not(:first-child) { display: none; }
}