/* --- Değişkenler ve Genel --- */
:root {
    --primary: #e63946;
    --dark: #1a1a1a;
    --white: #ffffff;
    --light-gray: #f8f9fa;
}

body {
    margin: 0;
    font-family: 'Poppins', sans-serif;
    scroll-behavior: smooth;
    line-height: 1.6;
}

/* --- Navigasyon --- */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 5%;
    background: var(--dark);
    color: var(--white);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.brand { display: flex; align-items: center; gap: 12px; }
.dc-box {
    background: var(--primary);
    color: var(--white);
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 4px;
}
.brand-text {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 1.3rem;
    text-transform: uppercase;
}

.nav-links { display: flex; list-style: none; gap: 20px; margin: 0; }
.nav-links a { color: #ddd; text-decoration: none; transition: 0.3s; }
.nav-links a:hover { color: var(--primary); }

/* --- Hero --- */
#hero {
    height: 65vh;
    background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)), url('https://images.unsplash.com/photo-1518770660439-4636190af475?w=1200&q=80');
    background-size: cover;
    background-position: center;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: var(--white);
}
.btn-main {
    background: var(--primary);
    color: var(--white);
    padding: 12px 32px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: 600;
    transition: 0.3s;
}

/* --- Hakkımızda (Görsel Bölümü) --- */
#about {
    height: 500px;
    background: url('sirket.jpeg') no-repeat center center/cover;
    position: relative;
}
.about-overlay {
    background: rgba(0, 0, 0, 0.6);
    width: 100%; height: 100%;
    display: flex; align-items: center; padding: 0 10%;
}
.about-content { max-width: 600px; color: white; }
.about-content h2 { font-family: 'Montserrat', sans-serif; font-size: 2.5rem; border-left: 5px solid var(--primary); padding-left: 15px; }

/* --- Hizmetler --- */
#services { padding: 70px 5%; text-align: center; }
.service-container { display: flex; gap: 20px; justify-content: center; flex-wrap: wrap; }
.service-card {
    background: var(--white); padding: 30px; border-radius: 10px; width: 260px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05); transition: 0.3s;
}
.service-card:hover { transform: translateY(-10px); border-bottom: 4px solid var(--primary); }

/* --- Teknik Destek --- */
#support { padding: 80px 5%; }
.support-container { display: flex; align-items: center; gap: 50px; max-width: 1100px; margin: 0 auto; }
.support-image img { width: 100%; border-radius: 15px; box-shadow: 20px 20px 0px var(--primary); }

/* --- İletişim --- */
#contact { padding: 70px 5%; background: var(--light-gray); text-align: center; }
.contact-container { max-width: 500px; margin: 0 auto; background: var(--white); padding: 40px; border-radius: 10px; }
.contact-direct { display: flex; justify-content: center; gap: 20px; margin-bottom: 20px; flex-wrap: wrap; }
.direct-item { text-decoration: none; color: var(--dark); font-weight: 600; }
form { display: flex; flex-direction: column; gap: 15px; }
input, textarea { padding: 12px; border: 1px solid #ddd; border-radius: 5px; }
.btn-submit { background: var(--dark); color: var(--white); border: none; padding: 15px; cursor: pointer; font-weight: 600; }

footer { background: var(--dark); color: #888; text-align: center; padding: 25px; }

/* --- Mobil Uyumluluk --- */
@media (max-width: 768px) {
    nav { flex-direction: column; gap: 15px; }
    .support-container { flex-direction: column; }
    .about-content h2 { font-size: 1.8rem; }
}
/* --- Hakkımızda Bölümü (Arka Plan Fotoğraflı) --- */
#about {
    height: 500px;
    /* Yüklediğin dosyanın tam adı ile eşleşmeli */
    background: url('sirket.jpeg') no-repeat center center/cover;
    position: relative;
    display: flex;
    align-items: center;
}

.about-overlay {
    background: rgba(0, 0, 0, 0.65); /* Fotoğrafın üzerindeki metnin okunması için hafif karartma */
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    padding: 0 10%;
}
/* Logo Boyutu */
.nav-logo {
    height: 50px; /* İstediğin boyuta göre ayarla */
    width: auto;
}

/* Hakkımızda Bölümü (Bina Görseli) */
#about {
    height: 550px;
    background: url('sirket.jpeg') no-repeat center center/cover;
    display: flex;
    align-items: center;
}