/* --- GLOBAL STYLES --- */
:root {
    --bg-dark: #0b0b0e;
    --card-bg: #15151a;
    --accent: #00ffcc;
    --accent-purple: #8a2be2;
    --text-main: #e0e0e0;
    --text-dim: #a0a0a0;
    --transition: all 0.3s ease;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
    padding-top: 80px; /* Menü boşluğu */
}

/* --- MENÜ (NAVIGASYON) --- */
nav {
    position: fixed; top: 0; width: 100%; height: 80px;
    background: rgba(11, 11, 14, 0.95); backdrop-filter: blur(10px);
    padding: 0 10%; display: flex; justify-content: space-between; align-items: center;
    z-index: 1000; border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}
.logo { font-size: 1.5rem; font-weight: 900; color: var(--accent); text-transform: uppercase; letter-spacing: 2px; text-decoration: none;}
nav ul { display: flex; list-style: none; }
nav ul li { margin-left: 30px; }
nav ul li a { text-decoration: none; color: white; font-weight: 500; font-size: 0.9rem; transition: var(--transition); }
nav ul li a:hover, nav ul li a.active { color: var(--accent); }

/* --- ORTAK BÖLÜMLER --- */
section { padding: 80px 10%; min-height: calc(100vh - 180px); }
.section-title { font-size: 2.5rem; margin-bottom: 50px; text-align: center; color: white; }

/* Butonlar ve Kartlar */
.btn-main {
    padding: 15px 40px; background: var(--accent); color: black; text-decoration: none;
    font-weight: 800; border-radius: 5px; transition: var(--transition); text-transform: uppercase; display: inline-block;
}
.btn-main:hover { transform: translateY(-5px); box-shadow: 0 10px 20px rgba(0, 255, 204, 0.3); }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; }
.card { background: var(--card-bg); border-radius: 12px; overflow: hidden; transition: 0.4s; border: 1px solid rgba(255,255,255,0.05); cursor: pointer; }
.card:hover { border-color: var(--accent); transform: scale(1.02); }
.card-img { height: 200px; background: #222; position: relative; }
.card-content { padding: 25px; }
.card-content h3 { margin-bottom: 10px; color: var(--accent); }
.tag { font-size: 0.7rem; background: rgba(0,255,204,0.1); color: var(--accent); padding: 4px 10px; border-radius: 20px; }

/* Formlar (Kayıt / Giriş) */
.auth-wrapper {
    display: flex; align-items: center; justify-content: center; min-height: calc(100vh - 160px);
}
.auth-container {
    width: 100%; max-width: 450px; background: var(--card-bg);
    padding: 50px; border-radius: 20px; box-shadow: 0 20px 50px rgba(0,0,0,0.5); border: 1px solid rgba(255,255,255,0.05);
}
.auth-container h2 { margin-bottom: 30px; text-align: center; color: white; }
input {
    width: 100%; padding: 15px; margin-bottom: 20px; background: #08080a; border: 1px solid #333;
    border-radius: 8px; color: white; outline: none; font-family: 'Inter', sans-serif;
}
input:focus { border-color: var(--accent); }
.auth-btn { width: 100%; padding: 15px; background: var(--accent-purple); color: white; border: none; border-radius: 8px; font-weight: bold; cursor: pointer; transition: var(--transition); }
.auth-btn:hover { background: #7020b8; }
.auth-link { display: block; text-align: center; margin-top: 20px; color: var(--text-dim); text-decoration: none; font-size: 0.9rem;}
.auth-link:hover { color: var(--accent); }

footer { text-align: center; padding: 40px; color: var(--text-dim); font-size: 0.8rem; border-top: 1px solid #111; background: var(--bg-dark); }