:root {
    --bg-color: #0b0f19;
    --text-color: #ffffff;
    --text-muted: #a0aec0;
    --primary-neon: #00f3ff;
    --secondary-neon: #ff0055;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    overflow-x: hidden;
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Navbar altından içeriği zorla aşağı itiyoruz */
.main-content {
    flex: 1;
    padding-top: 120px; 
}

/* Background Animated Shapes */
.bg-shape {
    position: fixed;
    border-radius: 50%;
    filter: blur(100px);
    z-index: -1;
    animation: float 10s infinite alternate;
}
.bg-shape-1 {
    width: 40vw; height: 40vw; max-width: 400px; max-height: 400px;
    background: var(--primary-neon); top: -10%; left: -10%; opacity: 0.15;
}
.bg-shape-2 {
    width: 50vw; height: 50vw; max-width: 500px; max-height: 500px;
    background: var(--secondary-neon); bottom: -10%; right: -10%; opacity: 0.15;
    animation-delay: 2s;
}

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

/* Container */
.container {
    width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 20px;
}

/* Glassmorphism */
.glass-panel {
    background: var(--glass-bg); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border); border-radius: 16px; padding: 30px;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
}

/* Neon Text & Buttons */
.neon-text { color: #fff; text-shadow: 0 0 5px var(--primary-neon), 0 0 15px var(--primary-neon); }
.highlight { color: var(--secondary-neon); text-shadow: 0 0 5px var(--secondary-neon), 0 0 15px var(--secondary-neon); }

.btn-neon {
    display: inline-block; padding: 12px 24px; color: #fff; text-decoration: none; font-weight: 600;
    border: 2px solid var(--secondary-neon); border-radius: 30px; background: transparent;
    transition: var(--transition); box-shadow: 0 0 10px var(--secondary-neon) inset, 0 0 10px var(--secondary-neon);
    cursor: pointer; text-align: center;
}
.btn-neon:hover {
    background: var(--secondary-neon); color: #fff; transform: translateY(-3px);
    box-shadow: 0 0 20px var(--secondary-neon) inset, 0 0 20px var(--secondary-neon);
}

/* Navbar */
.glass-navbar {
    position: fixed; top: 0; width: 100%; z-index: 1000;
    background: rgba(11, 15, 25, 0.85); backdrop-filter: blur(15px); -webkit-backdrop-filter: blur(15px);
    border-bottom: 1px solid var(--glass-border); padding: 15px 0; transition: var(--transition);
}
.nav-container { display: flex; justify-content: space-between; align-items: center; }
.logo { font-size: 24px; font-weight: 800; text-decoration: none; letter-spacing: 1px; }
.nav-links { display: flex; align-items: center; gap: 30px; }
.nav-links a:not(.btn-neon) { color: var(--text-color); text-decoration: none; font-weight: 600; transition: var(--transition); position: relative; }
.nav-links a:not(.btn-neon):hover, .nav-links a.active-link { color: var(--primary-neon); }
.nav-links a:not(.btn-neon)::after { content: ''; position: absolute; width: 0; height: 2px; background: var(--primary-neon); bottom: -5px; left: 0; transition: var(--transition); }
.nav-links a:not(.btn-neon):hover::after, .nav-links a.active-link::after { width: 100%; }
.mobile-menu-btn { display: none; font-size: 26px; cursor: pointer; color: var(--primary-neon); }

/* Çoklu Sayfa Başlıkları */
.page-header { text-align: center; padding: 40px 0; }
.page-header h1 { font-size: 3rem; text-transform: uppercase; letter-spacing: 2px; }

/* Ana Sayfa Hero Bölümü */
.hero { 
    display: flex; align-items: center; justify-content: space-between; 
    padding-top: 20px; padding-bottom: 40px;
}
.hero-content { flex: 1; padding-right: 50px; }
.hero-content h1 { font-size: 3.5rem; margin-bottom: 20px; line-height: 1.2; font-weight: 800; word-wrap: break-word; }
.hero-content p { font-size: 1.1rem; color: var(--text-muted); margin-bottom: 30px; }
.hero-buttons { display: flex; gap: 15px; flex-wrap: wrap; }
.hero-image { flex: 1; text-align: center; position: relative; }
.hero-image img { width: 100%; max-width: 400px; border-radius: 50%; box-shadow: 0 0 40px rgba(0, 243, 255, 0.3); animation: float 6s ease-in-out infinite; object-fit: cover; }

/* Grid Yapıları */
.video-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; }
.video-card { transition: var(--transition); text-decoration: none; display: block; height: 100%; }
.video-card:hover { transform: translateY(-10px); border-color: var(--primary-neon); box-shadow: 0 10px 30px rgba(0, 243, 255, 0.15); }
.video-thumb { position: relative; width: 100%; padding-top: 56.25%; border-radius: 10px; overflow: hidden; background: #000; }
.video-thumb img { position: absolute; top: 0; left: 0; width: 100%; height: 100%; object-fit: cover; transition: var(--transition); opacity: 0.9; }
.video-card:hover .video-thumb img { transform: scale(1.05); opacity: 1; }
.play-icon { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); font-size: 3rem; color: #fff; opacity: 0; transition: var(--transition); text-shadow: 0 0 20px var(--secondary-neon); z-index: 2; }
.video-card:hover .play-icon { opacity: 1; }
.video-info { padding: 20px 10px 10px; }
.video-title { color: #fff; font-size: 1.1rem; font-weight: 600; line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* İstatistikler */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 30px; text-align: center; }
.stat-card i { font-size: 3.5rem; color: var(--primary-neon); margin-bottom: 20px; text-shadow: 0 0 15px rgba(0, 243, 255, 0.5); }
.stat-number { font-size: 2.5rem; font-weight: 800; color: #fff; margin-bottom: 5px; word-wrap: break-word; }
.stat-label { color: var(--text-muted); text-transform: uppercase; letter-spacing: 2px; font-size: 0.9rem; font-weight: 600; }

/* İletişim Formu */
.contact-wrapper { max-width: 600px; margin: 0 auto; }
.form-group { margin-bottom: 25px; }
.form-control { width: 100%; padding: 16px; background: rgba(255, 255, 255, 0.03); border: 1px solid var(--glass-border); border-radius: 12px; color: #fff; font-family: inherit; font-size: 1rem; transition: var(--transition); }
.form-control:focus { outline: none; border-color: var(--primary-neon); box-shadow: 0 0 20px rgba(0, 243, 255, 0.2); background: rgba(255, 255, 255, 0.08); }
textarea.form-control { resize: vertical; min-height: 160px; }
.submit-btn { width: 100%; padding: 16px; font-size: 1.1rem; letter-spacing: 1px; }

#form-messages { margin-top: 20px; padding: 15px; border-radius: 8px; display: none; text-align: center; font-weight: 600; }
.msg-success { background: rgba(46, 213, 115, 0.1); color: #2ed573; border: 1px solid rgba(46, 213, 115, 0.3); }
.msg-error { background: rgba(255, 71, 87, 0.1); color: #ff4757; border: 1px solid rgba(255, 71, 87, 0.3); }

/* Scroll Animasyonları */
.animate-on-scroll { opacity: 0; transform: translateY(40px); transition: 0.8s all cubic-bezier(0.17, 0.84, 0.44, 1); }
.animate-on-scroll.visible { opacity: 1; transform: translateY(0); }

/* Footer */
.glass-footer { background: var(--glass-bg); backdrop-filter: blur(10px); border-top: 1px solid var(--glass-border); padding: 50px 0 20px; margin-top: auto; }
.footer-container { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; margin-bottom: 30px; }
.footer-info p { color: var(--text-muted); margin-top: 15px; }
.social-icons { display: flex; gap: 15px; margin-top: 15px; }
.social-icons a { display: flex; align-items: center; justify-content: center; width: 45px; height: 45px; background: var(--glass-bg); border: 1px solid var(--glass-border); border-radius: 50%; color: #fff; text-decoration: none; font-size: 20px; transition: var(--transition); }
.social-icons a:hover { background: var(--primary-neon); border-color: var(--primary-neon); box-shadow: 0 0 15px var(--primary-neon); transform: translateY(-5px); }
.footer-bottom { text-align: center; padding-top: 20px; border-top: 1px solid var(--glass-border); color: var(--text-muted); font-size: 14px; }


/* =========================================================================
   MOBİL İÇİN KESİN ÇÖZÜM (Kuvvetlendirilmiş Kurallar - !important)
   ========================================================================= */

@media (max-width: 991px) {
    /* Navbar'ın altından yazıyı kurtarmak için ekstra itme */
    .hero { 
        flex-direction: column; 
        text-align: center; 
        padding-top: 40px !important; 
        margin-top: 20px !important;
    }
    .hero-content { 
        padding-right: 0 !important; 
        margin-bottom: 40px !important; 
    }
    .hero-buttons { justify-content: center !important; }
}

@media (max-width: 768px) {
    .nav-links {
        position: absolute; top: 70px; left: -100%; flex-direction: column;
        background: rgba(11, 15, 25, 0.98); backdrop-filter: blur(15px); -webkit-backdrop-filter: blur(15px);
        width: 100%; text-align: center; padding: 30px 0; transition: 0.4s;
        border-bottom: 1px solid var(--primary-neon); box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    }
    .nav-links.active { left: 0; }
    .mobile-menu-btn { display: block; }
    
    .hero-content h1 { font-size: 2rem !important; line-height: 1.3 !important; margin-top: 10px !important; }
    .hero-content p { font-size: 1rem !important; }
    .page-header h1 { font-size: 2rem !important; }

    /* DEVASA RESMİ ZORLA KÜÇÜLTME */
    .hero-image {
        width: 100% !important;
        display: flex !important;
        justify-content: center !important;
        margin-top: 20px !important;
    }
    .hero-image img {
        width: 200px !important; 
        height: 200px !important;
        max-width: 200px !important; 
        border-radius: 50% !important; /* Tam yuvarlak kalmasını sağlar */
        margin: 0 auto !important;
        display: block !important;
    }
    
    .footer-container { grid-template-columns: 1fr; text-align: center; }
    .social-icons { justify-content: center; }
}

@media (max-width: 480px) {
    .hero-content h1 { font-size: 1.8rem !important; }
    .btn-neon { width: 100% !important; margin-bottom: 10px !important; display: block !important; }
    .hero-image img { width: 180px !important; height: 180px !important; max-width: 180px !important; }
}