/* ---------------------------------
1. PRIMARY STYLES - RESET VE SIFIRLAMA
--------------------------------- */

/* KESİN ÇÖZÜM: Tüm elementlerin varsayılan boşluğunu sıfırla */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box; /* Padding eklediğinde kutu büyümesin */
}

/* HTML ve BODY'nin ekranı tam kaplamasını garanti et */
html, body {
    width: 100%;
    height: 100%;
    margin: 0 !important;
    padding: 0 !important;
    overflow-x: hidden; /* Yatay kaydırmayı engelle */
}

body {
    font-family: 'Open Sans', sans-serif;
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    color: #333;
    font-size: 16px;
}

/* ---------------------------------
   FONTLAR VE TİPOGRAFİ
--------------------------------- */
h1, h2, h3, h4, h5, h6 { line-height: 1.5; font-family: 'Poppins', sans-serif; margin-bottom: 15px; }
p { line-height: 1.6; font-size: 1.05em; color: #555; margin-bottom: 15px; }

h1 { font-size: 3.5em; line-height: 1.1; }
h2 { font-size: 3em; }

a { text-decoration: none; color: inherit; transition: all .3s; }
ul, li { list-style: none; display: inline-block; }
img { width: 100%; }

/* ---------------------------------
2. COMMONS & MAIN AREA
--------------------------------- */
.center-text { text-align: center; }
.display-table { display: table; height: 100%; width: 100%; }
.display-table-cell { display: table-cell; vertical-align: middle; }
.font-white { color: #fff; }

.main-area {
    position: relative;
    height: 100vh; /* Ekran yüksekliğinin %100'ü */
    width: 100%;
    z-index: 1;
    padding: 0 20px;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed; /* Görselin sabit kalmasını sağlar */
}

/* Siyah Perde (Okunabilirlik İçin) */
.main-area:after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: -1;
    opacity: 0.6; /* Koyuluk oranı */
    background: #000;
}

.main-area .desc { margin: 20px auto; max-width: 700px; }

.main-area .social-btn > li > a { 
    margin: 0 10px; 
    padding-bottom: 5px; 
    border-bottom: 1px solid transparent; 
}
.main-area .social-btn > li > a:hover { border-bottom: 1px solid #fff; }

/* ---------------------------------
4. ÖZEL BUTON STİLLERİ
--------------------------------- */

/* Butonları saran kapsayıcı */
.btn-container {
    margin-top: 30px;
    margin-bottom: 20px;
    text-align: center;
}

/* REKLAMPOWER BUTONU */
.reklampower-btn {
    display: inline-block !important;
    padding: 15px 30px !important;
    background-color: #CC0000 !important; /* Saf Kırmızı */
    color: white !important;
    border-radius: 25px !important;
    font-weight: bold !important;
    text-transform: uppercase !important;
    letter-spacing: 1px !important;
    border: none !important;
    margin: 10px !important; /* Mobilde yapışmasın diye */
    box-shadow: 0 4px 6px rgba(0,0,0,0.3) !important;
}
.reklampower-btn:hover { background-color: #8B0000 !important; cursor: pointer; }

/* İLETİŞİM BUTONU */
.iletisim-btn {
    display: inline-block !important;
    padding: 15px 30px !important;
    background-color: #3498DB !important; /* Mavi */
    color: white !important;
    border-radius: 25px !important;
    font-weight: bold !important;
    text-transform: uppercase !important;
    letter-spacing: 1px !important;
    border: none !important;
    margin: 10px !important; /* Mobilde yapışmasın diye */
    box-shadow: 0 4px 6px rgba(0,0,0,0.3) !important;
}
.iletisim-btn:hover { background-color: #2980B9 !important; cursor: pointer; }