/* 
 * Header & Navigation Styles
 * Çetin Otomotiv
 */

/* ===== Header ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: var(--transition);
}

/* Top Bar */
.top-bar {
    background: var(--bg-navy);
    padding: 10px 0;
    font-size: 0.85rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.top-bar-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.top-bar-left {
    display: flex;
    align-items: center;
    gap: 30px;
}

.top-bar-left a,
.top-bar-left span {
    color: rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 500;
}

.top-bar-left a:hover {
    color: white;
}

.top-bar-left i {
    color: var(--primary-light);
}

.top-bar-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.top-bar-right a {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.1rem;
    transition: var(--transition);
}

.top-bar-right a:hover {
    color: white;
    transform: scale(1.1);
}

/* Main Header - Transparent */
.navbar {
    background: transparent;
    padding: 15px 0;
    transition: var(--transition);
}

.navbar-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
}

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

.logo-text {
    display: flex;
    flex-direction: column;
    margin-left: 12px;
}

.logo-title {
    font-size: 1.5rem;
    font-weight: 800;
    color: white;
    letter-spacing: -0.5px;
    line-height: 1;
    transition: var(--transition);
}

.logo-subtitle {
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition);
}

/* Navigation */
.nav-menu {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    padding: 10px 18px;
    font-size: 0.9rem;
    font-weight: 600;
    color: white;
    position: relative;
    transition: var(--transition);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
    transform: translateX(-50%);
}

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

.nav-link:hover::after,
.nav-link.active::after {
    width: 30px;
}

/* Header CTA */
.header-cta {
    display: flex;
    align-items: center;
    gap: 15px;
}

.header-phone {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50px;
    color: white;
    font-weight: 600;
    transition: var(--transition);
}

.header-phone i {
    font-size: 1.1rem;
}

.header-phone:hover {
    background: var(--primary);
}

.btn-header {
    padding: 12px 28px;
    background: var(--primary);
    color: white;
    font-weight: 700;
    border-radius: 0;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition);
}

.btn-header:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
}

/* Header Scrolled State - White Background */
.header.scrolled .navbar {
    background: var(--bg-white);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    padding: 10px 0;
}

.header.scrolled .logo img {
    filter: none;
}

.header.scrolled .logo-title {
    color: var(--text-dark);
}

.header.scrolled .logo-subtitle {
    color: var(--text-gray);
}

.header.scrolled .nav-link {
    color: var(--text-dark);
}

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

.header.scrolled .header-phone {
    background: var(--bg-light);
    color: var(--text-dark);
}

.header.scrolled .header-phone:hover {
    background: var(--primary);
    color: white;
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 10px;
    cursor: pointer;
    z-index: 1001;
}

.menu-toggle span {
    width: 25px;
    height: 2px;
    background: white;
    transition: var(--transition);
}

.header.scrolled .menu-toggle span {
    background: var(--text-dark);
}

/* Authorized Badge */
.auth-badge-nav {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    background: linear-gradient(135deg, #00a86b, #00c77f);
    color: white;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: 4px;
    margin-left: 10px;
}

.auth-badge-nav i {
    font-size: 0.75rem;
}

/* Responsive Header */
@media (max-width: 1200px) {
    .nav-link {
        padding: 10px 14px;
    }
}

@media (max-width: 992px) {
    .top-bar {
        display: none;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 300px;
        height: 100vh;
        background: var(--bg-white);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 0;
        transition: var(--transition);
        box-shadow: -10px 0 50px rgba(0, 0, 0, 0.15);
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-link {
        color: var(--text-dark);
        padding: 20px 40px;
        width: 100%;
        text-align: center;
        border-bottom: 1px solid var(--border-color);
    }
    
    .nav-link:hover {
        background: var(--bg-light);
    }
    
    .header-cta {
        display: none;
    }
    
    .auth-badge-nav {
        margin: 0;
        margin-bottom: 20px;
    }
}

@media (max-width: 768px) {
    .navbar {
        padding: 12px 0;
    }
    
    .logo img {
        height: 45px;
    }
    
    .logo-title {
        font-size: 1.25rem;
    }
    
    .logo-subtitle {
        font-size: 0.6rem;
    }
}