/* ==========================================================================
   HEADER - Terapeutas no Digital
   ========================================================================== */

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: transparent;
    transition: all 200ms ease;
    transition: all var(--transition-base);
}

.site-header.scrolled {
    background: #4338CA;
    background: var(--color-primary);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    box-shadow: var(--shadow-md);
}

.site-header.scrolled .nav-menu a,
.site-header.scrolled .nav-menu .menu-item a {
    color: #FFFFFF;
    color: var(--color-white);
}

.site-header.scrolled .header-icon {
    color: #FFFFFF;
    color: var(--color-white);
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1400px;
    margin: 0 auto;
    padding: 1rem 2rem;
    padding: var(--spacing-lg) var(--spacing-2xl);
}

/* Logo */
.site-branding {
    flex-shrink: 0;
}

.site-logo {
    display: block;
}

.site-logo img,
.custom-logo {
    height: 98px;
    width: auto;
}

.logo-placeholder {
    width: 98px;
    height: 98px;
}

.logo-circle {
    width: 98px;
    height: 98px;
    border: 2px solid #F4D03F;
    border: 2px solid var(--color-accent);
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    background: transparent;
    padding: 8px;
}

.logo-text-top {
    font-size: 5px;
    font-weight: 700;
    font-weight: var(--font-weight-bold);
    color: #F4D03F;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.3px;
    text-align: center;
    line-height: 1.2;
}

.logo-icon {
    font-size: 18px;
    color: #F4D03F;
    color: var(--color-accent);
    margin: 2px 0;
}

.logo-text-bottom {
    font-size: 5px;
    font-weight: 600;
    font-weight: var(--font-weight-semibold);
    color: #F4D03F;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

/* Navigation */
.main-navigation {
    display: flex;
    align-items: center;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
    gap: var(--spacing-2xl);
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-menu li,
.nav-menu .menu-item {
    position: relative;
    list-style: none;
}

.nav-menu a,
.nav-menu .menu-item a {
    font-size: 1rem;
    font-size: var(--font-size-base);
    font-weight: 500;
    font-weight: var(--font-weight-medium);
    color: #FFFFFF;
    color: var(--color-white);
    padding: 0.5rem 0;
    padding: var(--spacing-sm) 0;
    transition: color 200ms ease;
    transition: color var(--transition-base);
    text-decoration: none;
}

.nav-menu a:hover,
.nav-menu .menu-item a:hover {
    color: #F4D03F;
    color: var(--color-accent);
}

.nav-menu .current-menu-item a,
.nav-menu .current_page_item a {
    color: #F4D03F;
    color: var(--color-accent);
    text-decoration: underline;
    text-underline-offset: 6px;
    text-decoration-thickness: 2px;
    text-decoration-color: var(--color-accent);
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
    gap: var(--spacing-lg);
}

.btn-ebook {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    gap: var(--spacing-sm);
    padding: 10px 20px;
    background: #F4D03F;
    background: var(--color-accent);
    color: #111827;
    color: var(--color-gray-900);
    font-weight: 600;
    font-weight: var(--font-weight-semibold);
    font-size: 0.875rem;
    font-size: var(--font-size-sm);
    border-radius: 9999px;
    border-radius: var(--radius-full);
    border: 2px solid #F4D03F;
    border: 2px solid var(--color-accent);
    transition: all 200ms ease;
    transition: all var(--transition-base);
    text-decoration: none;
}

.btn-ebook:hover {
    background: #D4A72C;
    background: var(--color-accent-dark);
    border-color: #D4A72C;
    border-color: var(--color-accent-dark);
    transform: translateY(-2px);
}

.btn-ebook svg {
    width: 18px;
    height: 18px;
}

.header-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    color: #FFFFFF;
    color: var(--color-white);
    transition: all 200ms ease;
    transition: all var(--transition-base);
}

.header-icon:hover {
    color: #F4D03F;
    color: var(--color-accent);
}

.header-icon svg {
    width: 24px;
    height: 24px;
}

.cart-icon {
    position: relative;
}

.cart-count {
    position: absolute;
    top: 0;
    right: 0;
    width: 18px;
    height: 18px;
    background: #F4D03F;
    background: var(--color-accent);
    color: #111827;
    color: var(--color-gray-900);
    font-size: 11px;
    font-weight: 700;
    font-weight: var(--font-weight-bold);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    width: 40px;
    height: 40px;
    padding: 0;
    background: none;
    border: none;
    cursor: pointer;
}

.hamburger {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 24px;
    height: 24px;
    margin: 0 auto;
}

.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-white);
    transition: all var(--transition-base);
}

.site-header.scrolled .hamburger span {
    background: var(--color-white);
}

.mobile-menu-toggle.active .hamburger span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-toggle.active .hamburger span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active .hamburger span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Navigation */
.mobile-navigation {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-white);
    z-index: 999;
    padding-top: 100px;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

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

.mobile-nav-content {
    padding: var(--spacing-2xl);
}

.mobile-nav-menu {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.mobile-nav-menu a {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-medium);
    color: var(--color-gray-800);
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--color-gray-200);
}

.mobile-nav-footer {
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-2xl);
    border-top: 1px solid var(--color-gray-200);
}

/* Responsive */
@media (max-width: 1024px) {
    .main-navigation {
        display: none;
    }
    
    .btn-ebook {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .mobile-navigation {
        display: block;
    }
}

@media (max-width: 768px) {
    .header-container {
        padding: var(--spacing-md) var(--spacing-lg);
    }
    
    .site-logo img,
    .custom-logo,
    .logo-placeholder,
    .logo-circle {
        width: 70px;
        height: 70px;
    }
    
    .logo-text-top,
    .logo-text-bottom {
        font-size: 4px;
    }
    
    .logo-icon {
        font-size: 14px;
    }
}