/* --- GENEL AYARLAR --- */
:root {
    --bg-color: #0b0d17;
    --card-bg: #15192b;
    --primary: #00f3ff; /* Neon Mavi */
    --secondary: #bc13fe; /* Neon Mor */
    --text-color: #e0e6ed;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', sans-serif;
    scroll-behavior: smooth; /* Yumuşak kaydırma */
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
}

a { text-decoration: none; color: white; }
ul { list-style: none; }

/* --- NAVBAR --- */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 50px;
    background: rgba(11, 13, 23, 0.95);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    letter-spacing: 1px;
}

.renkli { color: var(--primary); }

.nav-links { display: flex; gap: 30px; }
.nav-links a { transition: color 0.3s; }
.nav-links a:hover { color: var(--primary); }

.btn-nav {
    background: var(--primary);
    color: #000 !important;
    padding: 8px 20px;
    border-radius: 20px;
    font-weight: bold;
}

/* --- HERO BÖLÜMÜ --- */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 10%;
    background: radial-gradient(circle at center, #1b2236 0%, #0b0d17 70%);
}

.hero-text { max-width: 50%; }

.hero-text h1 {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 20px;
}

.gradient-text {
    background: linear-gradient(to right, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    color: transparent;
}

.btn-hero {
    display: inline-block;
    margin-top: 30px;
    padding: 12px 30px;
    border: 2px solid var(--primary);
    color: var(--primary);
    border-radius: 5px;
    font-weight: bold;
    transition: 0.3s;
}

.btn-hero:hover {
    background: var(--primary);
    color: #000;
}

/* --- ANTI-GRAVITY EFEKTİ --- */
.hero-visual {
    position: relative;
    font-size: 15rem;
    color: rgba(255, 255, 255, 0.05);
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-visual i {
    z-index: 2;
    color: var(--primary);
    filter: drop-shadow(0 0 20px var(--primary));
}

.anti-gravity {
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-30px); }
    100% { transform: translateY(0px); }
}

/* --- KARTLAR --- */
.bolum { padding: 80px 10%; }
.bolum-baslik { text-align: center; font-size: 2.5rem; margin-bottom: 50px; }

.kart-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.kart {
    background: var(--card-bg);
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    transition: 0.3s;
    border: 1px solid transparent;
}

.kart:hover {
    transform: translateY(-10px); /* Karta gelince yukarı kalkar */
    border-color: var(--secondary);
    box-shadow: 0 10px 30px rgba(188, 19, 254, 0.2);
}

.ikon-kutusu {
    font-size: 3rem;
    color: var(--secondary);
    margin-bottom: 20px;
}

/* --- LİSTE VE FOOTER --- */
.koyu-bolum { background: #0f121f; }
.custom-list { max-width: 600px; margin: auto; }

.custom-list li {
    background: var(--card-bg);
    margin-bottom: 15px;
    padding: 15px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.custom-list i { color: #00ff88; font-size: 1.2rem; }

footer {
    text-align: center;
    padding: 40px;
    background: #05060a;
    color: #777;
    border-top: 1px solid #222;
}

.socials { margin-top: 10px; font-size: 1.2rem; display: flex; justify-content: center; gap: 20px;}
.socials a { color: #777; transition: 0.3s; }
.socials a:hover { color: var(--primary); }

/* --- MOBİL UYUMLULUK --- */
@media (max-width: 768px) {
    .navbar { padding: 20px; }
    .nav-links { display: none; } /* Mobilde menüyü gizle (basitlik için) */
    .hero { flex-direction: column; text-align: center; height: auto; padding: 100px 20px; }
    .hero-text { max-width: 100%; margin-bottom: 50px; }
    .hero-text h1 { font-size: 2.5rem; }
}