/* --- GENEL AYARLAR VE DEĞİŞKENLER (WARM EARTHY LUXURY) --- */
:root {
    /* Ana Renk: Keskin siyah yerine "Sıcak Koyu Antrasit / Toprak" */
    --primary-color: #2C2A29; 
    
    /* Vurgu Rengi: "Mat Bronz / Doğal Ahşap" */
    --accent-color: #A67B5B; 
    
    /* Metin Renkleri */
    --text-dark: #3E3C38; /* Çok koyu gri */
    --text-light: #F9F8F6;
    
    /* Arka Planlar */
    --bg-body: #FFFEFA;    /* Sayfa geneli kırık beyaz */
    --bg-cream: #F2EFE9;   /* Navbar ve bloklar için KREM/KEMİK rengi */
    --bg-light: #FAF9F6;
    
    /* Kenarlıklar & Gölgeler */
    --border-color: #E6E2DC; 
    --shadow-soft: 0 10px 40px rgba(44, 42, 41, 0.05);
}

body {
    font-family: 'Open Sans', sans-serif;
    color: var(--text-dark);
    background-color: var(--bg-body);
    overflow-x: hidden;
    line-height: 1.8;
    font-weight: 300; /* İnce, zarif okuma */
}

/* Başlıklar: Mimari, Geniş ve Güçlü */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    color: var(--primary-color);
    letter-spacing: 0.5px;
    font-weight: 500;
}

a { 
    text-decoration: none; 
    transition: all 0.3s ease;
}

/* --- LOGO AYARLARI --- */
.navbar-logo {
    height: 75px; /* Logo boyutu tok ve belirgin */
    width: auto;
    object-fit: contain;
    transition: all 0.4s ease;
    /* Hero üzerindeyken okunabilirlik için gölge */
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.6));
}

.footer-logo {
    height: 80px;
    width: auto;
    display: block;
    opacity: 0.85;
}

/* --- NAVBAR (Header) --- */
.navbar {
    transition: all 0.5s ease;
    padding: 1.2rem 0;
    background-color: transparent; /* Başlangıçta şeffaf */
    z-index: 1000;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.navbar-brand { padding: 0; }

/* Menü Linkleri - Başlangıç (Hero Üstü) */
.nav-link {
    color: #FFFFFF !important; /* Başlangıçta BEYAZ */
    font-family: 'Montserrat', sans-serif;
    font-weight: 500;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-left: 20px;
    transition: color 0.3s;
    text-shadow: 0 2px 10px rgba(0,0,0,0.5); /* Okunabilirlik gölgesi */
}

.nav-link:hover, .nav-link.active {
    color: var(--accent-color) !important;
    opacity: 1;
}

/* --- NAVBAR SCROLLED (Aşağı İnilince) --- */
.navbar.scrolled {
    /* İSTEĞİNİZ: Göz yormayan KREM rengi */
    background-color: var(--bg-cream) !important; 
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
    padding: 0.8rem 0;
}

/* Linkler krem zemin üstünde koyu renk olmalı */
.navbar.scrolled .nav-link {
    color: var(--primary-color) !important;
    text-shadow: none;
    font-weight: 600;
}
.navbar.scrolled .nav-link:hover, .navbar.scrolled .nav-link.active {
    color: var(--accent-color) !important;
}

/* --- SCROLLED LOGO (İsteğiniz Üzerine Düzenlendi) --- */
.navbar.scrolled .navbar-logo {
    height: 60px;
    
    /* İŞTE SİHİRLİ KOD: */
    /* 1. contrast(1.4): Logodaki renk geçişlerini keskinleştirir (Yazı kenarları netleşir) */
    /* 2. brightness(0.6): Gümüş rengini koyu gri/siyah tonuna çeker (Okunabilirlik artar) */
    /* 3. drop-shadow(...): Arkasına hafif ama sert bir gölge atarak zeminden ayırır */
    
   
    
    /* Not: Bu işlem logoyu bozmaz, sadece "Koyu Metal" görünümü verir. */
}

/* Dil Butonu Scrolled Ayarı */
.navbar.scrolled .lang-btn {
    border-color: var(--primary-color);
    color: var(--primary-color);
}
.navbar.scrolled .lang-btn:hover {
    background: var(--primary-color);
    color: #fff;
}

/* Alt Sayfalar için Statik Navbar */
.navbar-dark-static {
    background-color: var(--primary-color) !important;
}
.navbar-dark-static .navbar-logo { filter: drop-shadow(0 2px 4px rgba(0,0,0,0.3)); } 


/* Dropdown Menu */
.dropdown-menu {
    border: 1px solid var(--border-color);
    background-color: #fff;
    box-shadow: var(--shadow-soft);
    border-radius: 2px;
    padding: 0;
    margin-top: 15px;
    border-top: 3px solid var(--accent-color);
}
.dropdown-item {
    font-family: 'Montserrat', sans-serif;
    font-size: 0.85rem;
    color: var(--text-dark);
    padding: 12px 20px;
    border-bottom: 1px solid #f9f9f9;
    transition: all 0.3s;
}
.dropdown-item:last-child { border-bottom: none; }
.dropdown-item:hover {
    background-color: var(--bg-cream);
    color: var(--accent-color);
    padding-left: 25px;
}

/* Dil Butonu */
.lang-btn {
    background: transparent;
    border: 1px solid rgba(255,255,255,0.6);
    color: white;
    padding: 6px 14px;
    border-radius: 2px;
    margin-left: 15px;
    cursor: pointer;
    font-weight: 500;
    font-size: 0.8rem;
    font-family: 'Montserrat', sans-serif;
    transition: 0.3s;
}
.lang-btn:hover {
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: white;
}

/* --- HERO SECTION --- */
.hero-section {
    height: 100vh;
    background: url('gokdelen1.jpg') no-repeat center center/cover;
    position: relative;
    display: flex;
    align-items: center;
    color: #fff;
    background-attachment: fixed;
}

/* Overlay: Sıcak Siyah/Kahve tonu */
.hero-overlay {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(to right, rgba(0,0,0,0.6), rgba(44,42,41,0.2));
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
    margin: 0 auto;
}

/* HERO TEXT (Okunabilirlik Fix) */
.hero-title {
    font-size: 4rem; 
    font-weight: 600; 
    text-transform: uppercase;
    letter-spacing: 4px; 
    margin-bottom: 25px;
    line-height: 1.1;
    color: #FFFFFF !important;
    text-shadow: 0 4px 20px rgba(0,0,0,0.7); /* Güçlü gölge */
}

.hero-section p.lead {
    font-weight: 400;
    font-size: 1.25rem;
    color: #FFFFFF !important;
    opacity: 1; 
    margin-bottom: 40px;
    text-shadow: 0 2px 10px rgba(0,0,0,0.7);
}

/* Butonlar (Luxury Style) */
.btn-custom {
    background-color: var(--accent-color);
    color: #fff;
    padding: 15px 45px;
    border-radius: 2px;
    font-weight: 600;
    font-family: 'Montserrat', sans-serif;
    letter-spacing: 1px;
    text-transform: uppercase;
    font-size: 0.85rem;
    border: 1px solid var(--accent-color);
    transition: all 0.3s ease;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}
.btn-custom:hover {
    background-color: #fff;
    color: var(--accent-color);
    border-color: #fff;
    transform: translateY(-3px);
}

/* --- ISTATISTIKLER --- */
.stats-section {
    background-color: var(--primary-color);
    color: #fff;
    padding: 90px 0;
}
.stat-item h3 { 
    font-size: 3.5rem; 
    font-weight: 300; 
    color: var(--accent-color); 
    font-family: 'Montserrat', sans-serif; 
}
.stat-item p { 
    margin-top: 10px;
    font-size: 0.9rem; 
    text-transform: uppercase; 
    letter-spacing: 2px; 
    opacity: 0.7; 
}

/* --- GENEL SECTION BAŞLIKLARI --- */
.section-title {
    text-align: center;
    margin-bottom: 70px;
}
.section-title h2 {
    color: var(--primary-color);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 3px;
    position: relative;
    display: inline-block;
    padding-bottom: 20px;
    font-size: 2.2rem;
}
.section-title h2::after {
    content: '';
    position: absolute;
    bottom: 0; left: 50%; transform: translateX(-50%);
    width: 50px; height: 2px; 
    background-color: var(--accent-color);
}

/* --- KARTLAR (Soft & Organic) --- */
.service-card {
    background: #fff;
    padding: 45px 35px;
    border-radius: 2px;
    border: 1px solid var(--border-color);
    box-shadow: none;
    transition: all 0.4s ease;
    height: 100%;
}
.service-card:hover {
    transform: translateY(-8px);
    border-color: var(--accent-color);
    box-shadow: var(--shadow-soft);
}
.service-icon {
    font-size: 2.5rem;
    color: var(--accent-color);
    margin-bottom: 25px;
}
.service-card h4 {
    font-size: 1.15rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 15px;
    color: var(--text-dark);
}
.service-card p {
    color: #666;
    font-size: 0.95rem;
}

/* --- GALERİ --- */
.filter-button-group .btn {
    border-radius: 0;
    margin: 0 10px;
    border: none;
    border-bottom: 2px solid transparent;
    color: #888;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
    background: transparent;
}
.filter-button-group .btn.active, .filter-button-group .btn:hover {
    background-color: transparent;
    color: var(--primary-color);
    border-color: var(--accent-color);
}

.gallery-link {
    display: block;
    position: relative;
    overflow: hidden;
    border-radius: 2px;
}
.gallery-link img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    transition: transform 0.8s ease;
    filter: sepia(10%) contrast(95%); /* Hafif vintage film havası */
}
.gallery-link:hover img {
    transform: scale(1.05);
    filter: sepia(0%) contrast(100%);
}
.gallery-overlay {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(44, 42, 41, 0.4); 
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.4s ease;
}
.gallery-link:hover .gallery-overlay { opacity: 1; }

.gallery-icon {
    width: 60px; height: 60px;
    background: rgba(255,255,255,0.95);
    color: var(--primary-color);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.2rem;
    transition: 0.3s;
}
.gallery-item .fw-bold {
    margin-top: 20px !important;
    font-family: 'Montserrat', sans-serif;
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
    font-size: 0.9rem;
    color: var(--primary-color);
}

/* --- TESTIMONIALS (Cream Background) --- */
.testimonial-section {
    background-color: var(--bg-cream);
    padding: 100px 0;
}
.testimonial-card {
    background: transparent;
    padding: 20px;
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}
.client-img {
    width: 80px; height: 80px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 25px;
    border: 1px solid var(--accent-color);
    padding: 4px;
    background: #fff;
}
.testimonial-card p {
    font-family: 'Open Sans', sans-serif;
    font-style: italic;
    font-size: 1.3rem;
    color: var(--text-dark);
    line-height: 1.6;
}
.testimonial-card h5 {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-top: 25px;
    color: var(--accent-color);
    font-weight: 600;
}

/* --- FAB (WHATSAPP PREMIUM) --- */
.fab-container {
    position: fixed;
    bottom: 35px;
    right: 35px;
    z-index: 999;
}
.fab-btn {
    width: 65px; height: 65px;
    /* Bronz/Ahşap rengi */
    background-color: var(--accent-color); 
    color: #fff;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 32px;
    /* Soft, kaliteli gölge */
    box-shadow: 0 5px 25px rgba(166, 123, 91, 0.4); 
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    animation: none; /* Animasyon yok, statik lüks */
}
.fab-btn:hover {
    background-color: var(--primary-color); /* Hoverda koyu antrasit */
    transform: translateY(-5px) scale(1.05);
    color: #fff;
}

/* --- FOOTER --- */
footer {
    background-color: #1F1D1C; /* Derin Toprak/Siyah */
    color: #888;
    padding: 90px 0 30px;
    border-top: 4px solid var(--accent-color);
}
footer h5 { 
    color: #fff; 
    margin-bottom: 30px; 
    font-weight: 500; 
    font-family: 'Montserrat', sans-serif;
    letter-spacing: 1px;
    font-size: 0.95rem;
    text-transform: uppercase;
}
footer ul li { margin-bottom: 15px; }
footer ul li a { 
    color: #888; 
    font-size: 0.9rem;
    transition: 0.3s; 
}
footer ul li a:hover { color: var(--accent-color); padding-left: 5px; }

.social-icons a {
    display: inline-block;
    width: 45px; height: 45px;
    background: rgba(255,255,255,0.05);
    color: #fff;
    text-align: center;
    line-height: 45px;
    border-radius: 50%;
    margin-right: 10px;
    transition: 0.3s;
    border: 1px solid transparent;
}
.social-icons a:hover { 
    background: transparent; 
    border-color: var(--accent-color);
    color: var(--accent-color);
}
.footer-logo { filter: grayscale(100%) opacity(0.7); transition: 0.3s; }
.footer-logo:hover { filter: none; opacity: 1; }

/* --- BREADCRUMB --- */
.breadcrumb-area {
    background-color: var(--bg-cream);
    padding: 20px 0;
    border-bottom: 1px solid var(--border-color);
}
.breadcrumb-item a { color: var(--text-dark); opacity: 0.7; font-size: 0.85rem; font-weight: 600; }
.breadcrumb-item a:hover { color: var(--accent-color); opacity: 1; }
.breadcrumb-item.active { color: #999; font-size: 0.85rem; }

/* --- ALT SAYFA HEADER --- */
.page-header {
    height: 50vh;
    background: linear-gradient(rgba(44, 42, 41, 0.7), rgba(44, 42, 41, 0.5)), url('1.png') no-repeat center center/cover;
    background-attachment: fixed;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: #fff;
    margin-top: -86px; 
    padding-top: 86px;
}
.page-header h1 {
    font-weight: 500;
    letter-spacing: 5px;
    text-transform: uppercase;
    text-shadow: 0 4px 15px rgba(0,0,0,0.5);
}

/* --- KONUT PROJESİ ÖZEL --- */
.badge-custom {
    font-family: 'Montserrat', sans-serif;
    font-weight: 500;
    letter-spacing: 0.5px;
    border-radius: 2px;
}
.project-horizontal-card {
    background: #fff;
    border: 1px solid var(--border-color);
    box-shadow: none !important;
    transition: all 0.3s ease;
}
.project-horizontal-card:hover {
    border-color: var(--accent-color);
    transform: translateY(-2px);
}
.contact-box {
    background-color: var(--bg-cream);
    border-left: 3px solid var(--accent-color);
    border-radius: 2px;
}
.feature-icon { color: var(--accent-color) !important; }

/* --- Responsive Düzeltmeler --- */
@media (max-width: 991px) {
    .navbar-collapse {
        background-color: var(--bg-cream);
        padding: 20px;
        margin-top: 15px;
        border-radius: 2px;
        box-shadow: 0 10px 30px rgba(0,0,0,0.1);
        border: 1px solid var(--border-color);
    }
    .navbar-collapse .nav-link {
        color: var(--primary-color) !important;
        text-shadow: none;
    }
    .hero-title { font-size: 2.5rem; }
}

/* --- MOBİL DÜZELTMELERİ (RESPONSIVE FIX) --- */
@media (max-width: 991px) {
    
    /* 1. Logoyu mobilde küçült (Üst üste binmeyi azaltır) */
    .navbar-logo {
        height: 50px !important; /* Masaüstünde 75px idi, mobilde 50px yaptık */
        margin-left: 10px; /* Soldan hafif boşluk */
    }

    /* 2. Sayfa Başlığını Aşağı İt (Padding artırıyoruz) */
    .page-header {
        /* Yazının logonun altında kalmaması için üst boşluğu artırıyoruz */
        padding-top: 150px !important; 
        
        /* Mobilde arka plan resminin daha iyi görünmesi için yüksekliği artırabiliriz */
        height: 60vh; 
        margin-top: -100px; /* Navbar arkasına girmesi için ayar */
    }

    /* 3. Başlık Fontunu Mobilde Küçült (Ekrana sığması için) */
    .page-header h1 {
        font-size: 2.5rem !important;
        line-height: 1.2;
        padding: 0 15px; /* Yanlardan boşluk */
    }

    /* 4. Alt açıklama metnini düzenle */
    .page-header p.lead {
        font-size: 1rem !important;
        padding: 0 20px;
    }
    
    /* 5. Navbar Mobilde Arka Plan Rengi (Opsiyonel) */
    /* Menü açıldığında veya mobildeyken okunabilirlik için hafif zemin */
    .navbar {
        background-color: rgba(0,0,0,0.2); /* Çok hafif karartı */
    }
}

/* --- MOBİL NAVBAR TAŞMA VE TİTREME DÜZELTMESİ --- */
@media (max-width: 991px) {
    /* Navbar'ı ekrana sabitle ve taşmayı zorla engelle */
    .navbar {
        width: 100vw; /* Ekran genişliği kadar olsun */
        overflow-x: hidden; /* Yanlardan taşmayı engelle */
        padding: 15px 0 !important; /* Dolguyu sabitle (Animasyon titremesini önler) */
        position: fixed; /* Mobilde kesinlikle sabit kalsın */
    }

    /* Container yapısının dışarı taşmasını engelle */
    .navbar .container {
        max-width: 100%;
        padding-left: 15px;
        padding-right: 15px;
        margin: 0; /* Ekstra marginleri sıfırla */
    }
}

/* Tüm site genelinde yatay taşmayı engelle (Index.html için kritik) */
body, html {
    overflow-x: hidden;
    width: 100%;
}