/* ==================== HEADER STYLES - CENTRALIZED ==================== */

/* ==================== HEADER TRANSPARENT TO SOLID ==================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: transparent;
    z-index: 1000;
    transition: var(--transition);
}

.header.scrolled,
.header.menu-open {
    background: var(--white);
    box-shadow: var(--shadow);
}

.header.scrolled .nav-menu a,
.header.menu-open .nav-menu a {
    color: var(--gray-600);
    text-shadow: none;
}

.header.scrolled .nav-menu a:hover,
.header.scrolled .nav-menu a.active,
.header.menu-open .nav-menu a:hover,
.header.menu-open .nav-menu a.active {
    color: var(--primary);
}

.header.scrolled .header-phone,
.header.menu-open .header-phone {
    color: var(--primary);
}

.header.scrolled .header-phone-text span,
.header.menu-open .header-phone-text span {
    color: var(--gray-400);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 0;
    gap: 32px;
}

.logo img {
    height: 55px;
    width: auto;
    transition: var(--transition);
    filter: brightness(0) invert(1);
}

.header.scrolled .logo img,
.header.menu-open .logo img {
    filter: none;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 24px;
}

/* ==================== NAVIGATION MENU ==================== */
.nav-menu {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav-menu a {
    font-weight: 500;
    color: var(--white);
    transition: var(--transition);
    position: relative;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
    text-decoration: none;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--white);
    opacity: 0.8;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--white);
    transition: width 0.3s;
}

.header.scrolled .nav-menu a::after,
.header.menu-open .nav-menu a::after {
    background: var(--accent);
}

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

/* ==================== NAV CTA BUTTON ==================== */
.nav-menu .nav-cta {
    background: var(--accent);
    color: var(--white) !important;
    padding: 10px 20px;
    border-radius: var(--radius-full);
    font-weight: 600;
    text-shadow: none;
    opacity: 1 !important;
}

.nav-menu .nav-cta:hover {
    background: var(--accent-dark);
    transform: translateY(-2px);
}

.nav-menu .nav-cta::after {
    display: none;
}

/* ==================== HEADER PHONE ==================== */
.header-phone {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 600;
    color: var(--accent);
    background: var(--white);
    padding: 10px 20px;
    border-radius: var(--radius-full);
    box-shadow: var(--shadow);
    text-decoration: none;
    transition: var(--transition);
    border: none;
}

.header-phone:hover {
    background: var(--gray-50);
    transform: translateY(-2px);
}

.header-phone-icon {
    font-size: 18px;
}

.header-phone-text span {
    display: block;
    font-size: 11px;
    color: var(--accent-dark);
    font-weight: 400;
}

/* ==================== MOBILE TOGGLE ==================== */
.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
}

.mobile-toggle span {
    width: 24px;
    height: 2px;
    background: var(--white);
    transition: var(--transition);
}

.header.scrolled .mobile-toggle span,
.header.menu-open .mobile-toggle span {
    background: var(--primary);
}

/* ==================== DYNAMIC RESPONSIVE HEADER (.is-mobile) ==================== */
.header.is-mobile .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    gap: 12px;
    padding: 16px 24px;
    box-shadow: var(--shadow-lg);
    text-align: center;
    align-items: center;
}

.header.is-mobile .nav-menu.active {
    display: flex;
}

.header.is-mobile .nav-menu a {
    color: var(--gray-600);
    text-shadow: none;
}

.header.is-mobile .nav-menu a::after {
    display: none;
}

.header.is-mobile .nav-menu a:hover,
.header.is-mobile .nav-menu a.active {
    color: var(--accent);
    opacity: 1;
}

.header.is-mobile .mobile-toggle {
    display: flex;
}

.header.is-mobile .header-phone {
    display: none;
}

.header.is-mobile {
    background: var(--white);
    box-shadow: var(--shadow);
}

.header.is-mobile .logo img {
    filter: none;
}

.header.is-mobile .mobile-toggle span {
    background: var(--primary);
}

/* ==================== HEADER SOLID (white background by default) ==================== */
.header-solid {
    background: var(--white);
    box-shadow: var(--shadow);
}

.header-solid .logo img {
    filter: none;
}

.header-solid .nav-menu a {
    color: var(--gray-600);
    text-shadow: none;
}

.header-solid .nav-menu a:hover,
.header-solid .nav-menu a.active {
    color: var(--accent);
}

.header-solid .mobile-toggle span {
    background: var(--primary);
}

/* ==================== RESPONSIVE BREAKPOINT ==================== */
@media (max-width: 1100px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        gap: 12px;
        padding: 16px 24px;
        box-shadow: var(--shadow-lg);
        text-align: center;
        align-items: center;
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-menu .nav-cta {
        display: none !important;
    }

    .nav-menu a {
        color: var(--gray-600);
        text-shadow: none;
    }

    .nav-menu a::after {
        display: none;
    }

    .nav-menu a:hover,
    .nav-menu a.active {
        color: var(--accent);
        opacity: 1;
    }

    .mobile-toggle {
        display: flex;
    }

    .header-phone {
        display: none;
    }
}