* { box-sizing: border-box; margin: 0; padding: 0; }
body {
    font-family: 'Roboto', sans-serif;
    color: #ffffff;
    background-color: #08090d;
    min-height: 100vh;
}

h1, h2, h3, h4, legend, .siber-buton, th, .sayac-kutu span {
    font-family: 'Orbitron', sans-serif;
}

#arkaplan-video {
    position: fixed;
    right: 0; bottom: 0;
    min-width: 100%; min-height: 100%;
    z-index: -2;
    object-fit: cover;
}

.video-perde {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: radial-gradient(circle, rgba(10,10,15,0.7) 0%, rgba(5,5,8,0.92) 100%);
    z-index: -1;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 40px;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 2px solid #ff0055;
    box-shadow: 0 4px 25px rgba(255, 0, 85, 0.3);
}

.header-left { display: flex; align-items: center; gap: 15px; }

.back-link {
    color: #00ffcc;
    text-decoration: none;
    font-size: 13px;
    font-weight: bold;
    border: 1px solid #00ffcc;
    padding: 6px 14px;
    border-radius: 20px;
    transition: 0.3s;
}

.back-link:hover { background: #00ffcc; color: #000; box-shadow: 0 0 15px #00ffcc; }

.logo { margin: 0; font-size: 26px; letter-spacing: 2px; }
.logo span { color: #00ffcc; text-shadow: 0 0 10px #00ffcc; }

nav a {
    color: #fff;
    text-decoration: none;
    margin-left: 20px;
    font-weight: bold;
    font-size: 15px;
    transition: 0.3s;
    padding-bottom: 5px;
}

nav a:hover, nav a.aktif {
    color: #00ffcc;
    border-bottom: 2px solid #00ffcc;
    text-shadow: 0 0 8px #00ffcc;
}

.merkez-icerik {
    text-align: center;
    margin: 40px auto;
    max-width: 800px;
    padding: 0 20px;
}

.badge-tag {
    display: inline-block;
    background: rgba(255, 0, 85, 0.2);
    border: 1px solid #ff0055;
    color: #ff0055;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: bold;
    margin-bottom: 15px;
}

.glitch-baslik { font-size: 42px; text-shadow: 0 0 20px #ff0055, 0 0 40px #ff0055; margin-bottom: 10px; }
.alt-baslik { font-size: 17px; color: #ccc; margin-bottom: 25px; }

/* GERİ SAYIM SAYACI */
.sayac-kapsayici {
    background: rgba(15, 20, 30, 0.75);
    border: 1px solid rgba(0, 255, 204, 0.3);
    padding: 20px;
    border-radius: 15px;
    margin: 25px 0;
    box-shadow: 0 0 20px rgba(0, 255, 204, 0.15);
}
.sayac-kapsayici h3 { font-size: 15px; color: #00ffcc; margin-bottom: 15px; }
.sayac-kutulari { display: flex; justify-content: center; gap: 20px; }
.sayac-kutu { background: #000; padding: 12px 20px; border-radius: 10px; border: 1px solid #ff0055; min-width: 75px; }
.sayac-kutu span { display: block; font-size: 26px; color: #fff; font-weight: bold; }
.sayac-kutu small { font-size: 11px; color: #aaa; text-transform: uppercase; }

/* SES KUTUSU & SOUNDBOARD */
.ses-kutusu { margin: 25px auto; background: rgba(0,0,0,0.7); padding: 15px; width: 360px; border-radius: 12px; border: 1px solid #00ffcc; }

.soundboard-container {
    background: rgba(10, 15, 25, 0.8);
    border: 1px solid rgba(255, 0, 85, 0.3);
    padding: 20px;
    border-radius: 15px;
    margin: 25px 0;
}
.soundboard-container h4 { color: #ff0055; font-size: 14px; margin-bottom: 15px; }
.sound-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.sound-grid button {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: #fff;
    padding: 10px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: bold;
    font-size: 13px;
    transition: 0.3s;
}
.sound-grid button:hover { background: #00ffcc; color: #000; border-color: #00ffcc; box-shadow: 0 0 15px #00ffcc; }

/* SİBER BUTON */
.siber-buton {
    display: inline-block;
    background: #ff0055;
    color: #fff;
    padding: 16px 45px;
    font-size: 18px;
    font-weight: bold;
    text-decoration: none;
    border: none;
    border-radius: 30px;
    cursor: pointer;
    box-shadow: 0 0 20px rgba(255, 0, 85, 0.6);
    transition: 0.3s;
}
.siber-buton:hover { background: #00ffcc; color: #000; box-shadow: 0 0 30px rgba(0, 255, 204, 0.9); transform: scale(1.05); }

/* SSS AKORDEON */
.sss-bolumu { margin-top: 40px; text-align: left; }
.sss-bolumu h3 { font-size: 18px; color: #00ffcc; margin-bottom: 15px; text-align: center; }
.sss-item {
    background: rgba(15, 20, 30, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    padding: 12px 18px;
    margin-bottom: 10px;
    cursor: pointer;
}
.sss-item summary { font-weight: bold; color: #fff; }
.sss-item p { margin-top: 10px; color: #aaa; font-size: 14px; line-height: 1.5; }

/* FORM VE TABLO STİLLERİ */
.form-kapsayici { max-width: 520px; margin: 40px auto; padding: 20px; }
fieldset { border: 2px solid #00ffcc; border-radius: 10px; padding: 30px; background: #151520; box-shadow: 0 0 20px rgba(0, 255, 204, 0.1); }
legend { font-size: 20px; color: #00ffcc; padding: 0 10px; }
.form-grup { margin-bottom: 18px; }
.form-grup label { display: block; margin-bottom: 6px; font-weight: bold; color: #aaa; font-size: 14px; }
.form-grup input[type="text"], .form-grup input[type="email"], .form-grup input[type="number"], .form-grup select { width: 100%; padding: 11px; background: #0d0d12; border: 1px solid #333; color: #fff; border-radius: 5px; font-size: 15px; }
.radyo-grup label { display: inline; margin-right: 15px; color: #fff; }
.checkbox-grup { display: flex; align-items: center; gap: 10px; }
.checkbox-grup label { display: inline; margin: 0; color: #ddd; font-size: 13px; }

.tablo-kapsayici { max-width: 950px; margin: 40px auto; padding: 20px; text-align: center; }
table { width: 100%; border-collapse: collapse; margin-top: 20px; background: #151520; border-radius: 8px; overflow: hidden; }
th, td { padding: 14px; text-align: left; border-bottom: 1px solid #2a2a35; font-size: 14px; }
th { background-color: #ff0055; color: #fff; text-transform: uppercase; }
tbody tr:nth-child(even) { background-color: #1a1a28; }
tbody tr:hover { background-color: #222230; color: #00ffcc; }

.tek-sil-btn { background: #ff0055; color: #fff; border: none; padding: 5px 10px; border-radius: 4px; cursor: pointer; font-weight: bold; }
.sil-buton { background: #333; color: #aaa; border: 1px solid #555; padding: 10px 20px; margin-top: 20px; cursor: pointer; border-radius: 5px;}
.sil-buton:hover { background: red; color: white; border-color: red;}