/* CSS Variables */
:root {
    --primary-color: #667eea;
    --secondary-color: #764ba2;
    --accent-color: #f093fb;
    --text-dark: #2c3e50;
    --text-light: #7f8c8d;
    --white: #ffffff;
    --light-bg: #f8f9fa;
    --shadow-light: 0 2px 10px rgba(0,0,0,0.1);
    --shadow-medium: 0 4px 20px rgba(0,0,0,0.15);
    --shadow-heavy: 0 8px 30px rgba(0,0,0,0.2);
    --border-radius: 12px;
    --transition-smooth: all 0.3s ease;
    --transition-bounce: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

/* ===== HEADER STYLES ===== */
.header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1rem 0;
    transition: var(--transition-smooth);
    box-shadow: var(--shadow-light);
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    box-shadow: var(--shadow-medium);
    padding: 0.5rem 0;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 1rem;
    text-decoration: none;
}

/* Logo görseli uyarlaması */
.logo-icon {
    width: 44px;
    height: 44px;
    background: none;    /* ikon arka planını kaldır */
    box-shadow: none;    /* varsa gölgeyi kaldır */
    padding: 0;
    border-radius: 8px;
    overflow: hidden;    /* görsel taşmasın */
}
.logo-icon img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;   /* görsel kutuyu düzgün doldursun */
}
/* Mobilde biraz küçültelim */
@media (max-width: 768px) {
    .logo-icon {
        width: 36px;
        height: 36px;
    }
}

.logo:hover .logo-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: var(--shadow-medium);
}

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

.logo-ana {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--text-dark);
    letter-spacing: 1px;
    font-family: 'Playfair Display', serif;
}

.logo-alt {
    font-size: 0.9rem;
    font-weight: 400;
    color: var(--text-light);
    letter-spacing: 2px;
}

.logo-subtitle {
    font-size: 0.7rem;
    font-weight: 300;
    color: var(--primary-color);
    letter-spacing: 1px;
    margin-top: 2px;
}

.navigation {
    flex: 1;
    display: flex;
    justify-content: center;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.5rem;
    margin: 0;
    padding: 0;
}

.nav-menu a {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    transition: var(--transition-smooth);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    position: relative;
}

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

.nav-menu a:hover::before {
    width: 80%;
}

.nav-menu a:hover {
    color: var(--primary-color);
    transform: translateY(-2px);
}

.header-contact {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.contact-phone {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-dark);
    font-weight: 500;
}

.contact-phone i {
    color: var(--primary-color);
    font-size: 1.1rem;
}

.header-dugme {
    background: var(--primary-gradient);
    color: var(--white);
    padding: 0.7rem 1.5rem;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition-bounce);
    box-shadow: var(--shadow-light);
    border: none;
    cursor: pointer;
}

.header-dugme:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: var(--shadow-medium);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 0.5rem;
    gap: 0.3rem;
    background: none;
    border: none;
    z-index: 1001;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    border-radius: 2px;
    transition: var(--transition-smooth);
    display: block;
}

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

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

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Mobile Overlay - tüm sayfalarda geçerli */
.mobile-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    opacity: 0;
    transition: var(--transition-smooth);
    pointer-events: none; /* Pasifken tıklamaları geçirsin */
}

.mobile-overlay.active {
    opacity: 1;
    pointer-events: auto; /* Sadece aktifken tıklamaları yakalasın */
}

/* Mobile Responsive Design */
@media (max-width: 768px) {
    .header-content {
        padding: 0 1rem;
        position: relative;
    }
    
    .mobile-menu-toggle {
        display: flex;
        order: 3;
    }
    
    .mobile-overlay {
        display: block; /* Mobilde görünür (ama pasifken tıklamaları engellemez) */
    }
    
    .navigation {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(15px);
        -webkit-backdrop-filter: blur(15px);
        box-shadow: var(--shadow-heavy);
        transition: var(--transition-smooth);
        z-index: 1000;
        padding-top: 80px;
        overflow-y: auto;
    }
    
    .navigation.active {
        right: 0;
    }
    
    .nav-menu {
        flex-direction: column;
        gap: 0;
        padding: 2rem 0;
        width: 100%;
    }
    
    .nav-menu li {
        border-bottom: 1px solid rgba(0,0,0,0.1);
        width: 100%;
    }
    
    .nav-menu li:last-child {
        border-bottom: none;
    }
    
    .nav-menu a {
        padding: 1.2rem 2rem;
        justify-content: flex-start;
        border-radius: 0;
        width: 100%;
        font-size: 1.1rem;
    }
    
    .nav-menu a::before {
        display: none;
    }
    
    .nav-menu a:hover {
        background: var(--light-bg);
        transform: none;
    }
    
    .header-contact {
        order: 2;
    }
    
    .header-dugme {
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
    }
    
    .btn-text {
        display: none;
    }
    
    .btn-text-mobile {
        display: inline;
    }
    
    .logo {
        order: 1;
    }
}

@media (max-width: 480px) {
    .header-content {
        padding: 0 0.5rem;
    }
    
    .logo-ana {
        font-size: 1.2rem;
    }
    
    .logo-alt {
        font-size: 0.8rem;
    }
    
    .logo-subtitle {
        font-size: 0.6rem;
    }
    
    .header-dugme {
        padding: 0.4rem 0.8rem;
        font-size: 0.8rem;
    }
    
    .logo-icon {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }
    
    .navigation {
        width: 100%;
        right: -100%;
    }
}

/* Desktop için btn-text-mobile gizle */
@media (min-width: 769px) {
    .btn-text-mobile {
        display: none;
    }
    
    .btn-text {
        display: inline;
    }
}

/* Header scroll effect */
.header-scroll-effect {
    transform: translateY(-100%);
    transition: transform 0.3s ease;
}

.header-scroll-effect.show {
    transform: translateY(0);
}