/* ========================================
   HEADER COMPONENT
   ======================================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: var(--white);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
}

.header.scrolled .header-top-mobile {
    display: none;
}

.header.scrolled .header-top {
    display: none;
}

/* Mobile Top Bar */
.header-top-mobile {
    display: none;
    background-color: var(--black);
    color: var(--white);
    padding: 0.5rem 0;
}

.mobile-contact-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem 0.5rem;
    font-size: 0.75rem;
    justify-items: center;
    text-align: center;
}

.mobile-contact-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    color: var(--white);
    text-decoration: none;
    transition: color var(--transition-fast);
    padding: 0.25rem;
}

.mobile-contact-item:hover {
    color: var(--primary);
}

.mobile-contact-item i {
    width: 12px;
    height: 12px;
    flex-shrink: 0;
}

.mobile-contact-item span {
    font-size: 0.7rem;
    line-height: 1.2;
}

/* Desktop Top Bar */
.header-top {
    background-color: var(--black);
    color: var(--white);
    padding: 0.75rem 0;
    font-size: 0.875rem;
}

.header-top-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.header-contact {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

.contact-item {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--white);
    text-decoration: none;
    transition: color var(--transition-fast);
    min-width: 1px;
    min-height: 1px;
}

.contact-item:hover {
    color: var(--primary);
}

.contact-item i {
    width: 16px;
    height: 16px;
}

/* Header Top Right Section */
.header-top-right {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

/* Social Links in Header */
.social-links-header {
    display: flex;
    gap: 0.75rem;
    align-items: center;
}

.social-link-header {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--white);
    transition: all var(--transition-normal);
    text-decoration: none;
}

.social-link-header:hover {
    background-color: var(--primary);
    transform: translateY(-2px);
}

.social-link-header i {
    width: 16px;
    height: 16px;
}

/* Language Switcher */
.language-switcher {
    display: flex;
    gap: 0.5rem;
}

.lang-btn {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: var(--white);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.875rem;
    transition: all var(--transition-fast);
}

.lang-btn.active,
.lang-btn:hover {
    background-color: var(--primary);
    border-color: var(--primary);
}

/* Main Header */
.header-main {
    padding: 1rem 0;
    background-color: var(--white);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
}

/* Text Logo */
.logo-text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-decoration: none;
    line-height: 1;
}

.logo-melyos {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--black);
    letter-spacing: 0.05em;
}

.logo-group {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    color: var(--primary);
    letter-spacing: 0.15em;
    margin-top: -0.25rem;
}

.header.scrolled .logo-melyos {
    font-size: 1.5rem;
}

.header.scrolled .logo-group {
    font-size: 0.875rem;
}

/* Navigation */
.nav-menu {
    display: flex;
    gap: 2rem;
    list-style: none;
    align-items: center;
}

.nav-link {
    color: var(--black);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: color var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary);
    transition: width var(--transition-normal);
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary);
}

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

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
}

.menu-toggle i {
    width: 24px;
    height: 24px;
    color: var(--black);
}

/* Hide mobile-only elements on desktop */
.mobile-lang-switcher,
.mobile-menu-logo,
.menu-close {
    display: none;
}

/* Mobile Styles */
@media (max-width: 1024px) {
    .header-top-content {
        justify-content: center;
    }
    
    .header-contact {
        gap: 1rem;
        font-size: 0.8rem;
    }
    
    .header-top-right {
        gap: 1rem;
    }
    
    .social-links-header {
        gap: 0.5rem;
    }
    
    .social-link-header {
        width: 28px;
        height: 28px;
    }
    
    .social-link-header i {
        width: 14px;
        height: 14px;
    }
    
    .nav-menu {
        gap: 1.5rem;
    }
}

@media (max-width: 768px) {
    /* Show mobile top bar, hide desktop top bar */
    .header-top-mobile {
        display: block;
    }
    
    .header-top {
        display: none;
    }
    
    .header-main {
        padding: 1.5rem 0;
        background-color: var(--white);
    }
    
    .header.scrolled .header-main {
        padding: 1rem 0;
    }
    
    .header-content {
        justify-content: center;
    }
    
    .logo-text {
        position: absolute;
        left: 50%;
        transform: translateX(-50%);
    }
    
    .logo-melyos {
        font-size: 2rem;
    }
    
    .logo-group {
        font-size: 1.125rem;
    }
    
    .header.scrolled .logo-melyos {
        font-size: 1.75rem;
    }
    
    .header.scrolled .logo-group {
        font-size: 1rem;
    }
    
    .menu-toggle {
        display: block;
        z-index: 10;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background-color: var(--white);
        flex-direction: column;
        padding: 6rem 2rem 2rem;
        box-shadow: var(--shadow-lg);
        transform: translateX(-100%);
        transition: transform var(--transition-normal);
        gap: 1.5rem;
        overflow-y: auto;
        z-index: 999;
    }
    
    /* Mobile menu close button */
    .menu-close {
        display: block;
        position: absolute;
        top: 1.5rem;
        right: 1.5rem;
        background: transparent;
        border: none;
        cursor: pointer;
        padding: 0.5rem;
        z-index: 1000;
        transition: all var(--transition-fast);
    }
    
    .menu-close:hover {
        transform: rotate(90deg);
    }
    
    .menu-close i {
        width: 32px;
        height: 32px;
        color: var(--black);
    }
    
    .nav-menu.active {
        transform: translateX(0);
    }
    
    .nav-link {
        font-size: 1.25rem;
        padding: 0.5rem 0;
        width: 100%;
        text-align: center;
    }
    
    .nav-menu .btn {
        width: 100%;
        justify-content: center;
        margin-top: 0.5rem;
        font-size: 1.125rem;
        padding: 1rem;
    }
    
    /* Mobile Language Switcher in Menu */
    .mobile-lang-switcher {
        display: flex;
        justify-content: center;
        gap: 1rem;
        padding: 1rem 0;
        border-top: 1px solid var(--gray-200);
        margin-top: 1rem;
    }
    
    .lang-btn-mobile {
        background: transparent;
        border: 2px solid var(--gray-300);
        color: var(--black);
        padding: 0.5rem 1.5rem;
        border-radius: var(--radius-md);
        cursor: pointer;
        font-size: 1rem;
        font-weight: 600;
        transition: all var(--transition-fast);
    }
    
    .lang-btn-mobile.active,
    .lang-btn-mobile:hover {
        background-color: var(--primary);
        border-color: var(--primary);
        color: var(--white);
    }
    
    /* Mobile Large Logo in Menu */
    .mobile-menu-logo {
        display: flex;
        justify-content: center;
        padding: 2rem 0;
        border-top: 1px solid var(--gray-200);
        margin-top: auto;
    }
    
    .mobile-logo-large {
        display: flex;
        flex-direction: column;
        align-items: center;
        line-height: 1;
    }
    
    .mobile-logo-melyos {
        font-family: var(--font-heading);
        font-size: 3rem;
        font-weight: 700;
        color: var(--black);
        letter-spacing: 0.05em;
    }
    
    .mobile-logo-group {
        font-family: var(--font-heading);
        font-size: 1.5rem;
        font-weight: 600;
        color: var(--primary);
        letter-spacing: 0.2em;
        margin-top: -0.5rem;
    }
}

@media (max-width: 480px) {
    .mobile-contact-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 0.6rem 0.4rem;
    }
    
    .mobile-contact-item {
        gap: 0.25rem;
        padding: 0.2rem;
    }
    
    .mobile-contact-item i {
        width: 10px;
        height: 10px;
    }
    
    .mobile-contact-item span {
        font-size: 0.65rem;
    }
    
    .logo-melyos {
        font-size: 1.75rem;
    }
    
    .logo-group {
        font-size: 1rem;
    }
    
    .header.scrolled .logo-melyos {
        font-size: 1.5rem;
    }
    
    .header.scrolled .logo-group {
        font-size: 0.875rem;
    }
    
    .mobile-logo-melyos {
        font-size: 2.5rem;
    }
    
    .mobile-logo-group {
        font-size: 1.25rem;
    }
}