/* ===================================
   RESET VE GENEL AYARLAR
=================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}

body {
    background-color: #f4f4f9;
    color: #333;
    line-height: 1.6;
}

/* ===================================
   NAVBAR (ÜST MENÜ)
=================================== */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 10% ;
    background: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.logo {
    font-size: 24px;
    font-weight: bold;
    color: #6c63ff;
}

.nav-links {
    list-style: none;
    display: flex;
}

.nav-links li {
    margin-left: 20px;
}

.nav-links a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: 0.3s;
}

.nav-links a:hover {
    color: #6c63ff;
}

/* ===================================
   HERO BÖLÜMÜ
=================================== */
.hero {
    height: 80vh;
    background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)), url('https://images.unsplash.com/photo-1498050108023-c5249f4df085') no-repeat center center/cover;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: white;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 20px;
}

.cta-btn {
    padding: 12px 30px;
    font-size: 18px;
    background-color: #6c63ff;
    color: white;
    border: none;
    border-radius: 25px;
    cursor: pointer;
    transition: 0.3s;
}

.cta-btn:hover {
    background-color: #5751d9;
    transform: scale(1.05);
}

/* ===================================
   ÖZELLİK KARTLARI
=================================== */
.features {
    display: flex;
    justify-content: space-around;
    padding: 50px 10%;
    background: #fff;
}

.card {
    background: #f9f9f9;
    padding: 30px;
    border-radius: 15px;
    width: 30%;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

/* ===================================
   FOOTER (ALT KISIM)
=================================== */
footer {
    text-align: center;
    padding: 20px;
    background: #333;
    color: white;
    margin-top: 0;
}

/* ===================================
   RESPONSIVE TASARIM
=================================== */
@media (max-width: 768px) {
    .navbar {
        flex-direction: column;
        padding: 15px 5%;
    }
    
    .nav-links {
        margin-top: 15px;
        flex-direction: column;
        text-align: center;
    }
    
    .nav-links li {
        margin: 10px 0;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .features {
        flex-direction: column;
        padding: 30px 5%;
    }
    
    .card {
        width: 100%;
        margin-bottom: 20px;
    }
    
    .cta-btn {
        padding: 10px 25px;
        font-size: 16px;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.5rem;
    }
    
    .hero {
        height: 60vh;
    }
    
    .navbar {
        padding: 10px 3%;
    }
    
    .logo {
        font-size: 20px;
    }
}