/* --- Genel Sıfırlama ve Temel Stiller --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: #f9fafb;
    color: #1f2937;
}

.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* --- Animasyonlar --- */
@keyframes pulse-glow {
    0%, 100% {
        box-shadow: 0 0 5px rgba(249, 115, 22, 0.7), 0 0 10px rgba(249, 115, 22, 0.5);
    }
    50% {
        box-shadow: 0 0 20px rgba(249, 115, 22, 1), 0 0 30px rgba(249, 115, 22, 0.7);
    }
}


/* --- ANA HEADER ALANI --- */
.site-header {
    position: fixed; /* Header'ı sayfanın üstüne sabitler */
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.75); /* Yarı saydam beyaz "buzlu cam" efekti */
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px); /* Safari uyumluluğu */
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

/* --- Üst Bilgi Barı --- */
.header-top-bar {
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05); /* Şeffaf arka plana uygun ince çizgi */
}

.header-top-bar .container {
    display: flex;
    justify-content: flex-end;
    align-items: center;
}

.header-top-bar .contact-info {
    display: flex;
    gap: 1.5rem;
}

.header-top-bar a {
    color: #4b5563; /* Koyu Gri */
    text-decoration: none;
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: color 0.2s ease-in-out;
}

.header-top-bar a:hover {
    color: #f97316;
}

/* --- Ana Navigasyon Alanı --- */
.header-main-nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 85px; /* Yükseklik ayarlandı */
}

.logo img {
    height: 75px; /* Logo büyütüldü */
    display: block;
    transition: transform 0.3s ease;
}
.logo:hover img {
    transform: scale(1.05);
}

.desktop-nav-menu {
    display: none;
    gap: 2.5rem;
}

.nav-link {
    color: #374151; /* Koyu Gri */
    text-decoration: none;
    font-weight: 500;
    position: relative;
    padding: 0.5rem 0;
    transition: color 0.2s ease-in-out;
    display: flex; /* İkon ve metni hizalamak için */
    align-items: center; /* İkon ve metni dikeyde ortalamak için */
    gap: 0.5rem; /* İkon ve metin arasına boşluk */
}

.nav-link svg {
    width: 1.25rem;
    height: 1.25rem;
}

.nav-link:hover {
    color: #f97316;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: #f97316;
    transition: width 0.3s ease-in-out;
}

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

.nav-link.active {
    color: #f97316; /* Aktif link rengi turuncu */
    font-weight: 600;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.cta-button {
    background-color: #f97316;
    color: #ffffff;
    padding: 0.7rem 1.8rem; /* İç boşluk ayarlandı */
    border-radius: 50px; /* Tam yuvarlak köşeler */
    text-decoration: none;
    font-weight: 600;
    transition: background-color 0.2s ease-in-out, transform 0.2s ease;
    display: none;
    animation: pulse-glow 2.5s infinite ease-in-out; /* Animasyon eklendi */
}

.cta-button:hover {
    background-color: #fb923c;
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(249, 115, 22, 0.3);
}

.mobile-menu-toggle {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    color: #374151; /* Koyu Gri */
}
.mobile-menu-toggle:hover {
    color: #f97316;
}
.mobile-menu-toggle .icon-menu {
    width: 28px;
    height: 28px;
}

/* --- MOBİL NAVİGASYON PANELİ --- */
.mobile-nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(17, 24, 39, 0.95);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    z-index: 2000;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.mobile-nav-overlay.is-open {
    opacity: 1;
    visibility: visible;
}

.mobile-menu-close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: none;
    border: none;
    color: #d1d5db;
    font-size: 2.5rem;
    cursor: pointer;
}

.mobile-nav-menu {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    text-align: center;
}

.mobile-nav-menu .nav-link {
    font-size: 1.5rem;
    color: #e5e7eb;
    text-shadow: none;
}

.mobile-nav-menu .cta-button {
    display: inline-block;
    margin-top: 1.5rem;
    padding: 0.8rem 2rem;
    font-size: 1.1rem;
}


/* --- RESPONSIVE AYARLAR (TABLET VE ÜSTÜ) --- */
@media (min-width: 1024px) {
    .desktop-nav-menu {
        display: flex;
    }
    .cta-button {
        display: inline-block;
    }
    .mobile-menu-toggle {
        display: none;
    }
}

/* --- MOBİL İÇİN ÖZEL HEADER AYARLARI --- */
@media (max-width: 767px) {
    .header-top-bar .container {
        justify-content: center; /* İletişim bilgilerini ortala */
    }
    .header-top-bar .contact-info {
        gap: 1rem; /* İkonlar arası boşluğu azalt */
        flex-wrap: nowrap; /* Asla alt satıra inmesin */
    }
    .header-top-bar a {
        font-size: 0.8rem; /* Yazı boyutunu sığması için küçült */
    }
    .header-main-nav .container {
        height: 70px; /* Mobil için ana header yüksekliğini biraz azalt */
    }
    .logo img {
        height: 60px; /* Mobil için logoyu biraz küçült */
    }
}