/* ================= DEĞİŞKENLER (NEON PALET) ================= */
:root {
    --bg-dark: #050505;       /* Zifiri Siyah */
    --bg-card: #0f0f0f;       /* Çok Koyu Gri */
    --neon-pink: #FF0055;     /* Hot Neon Pink (Ana Renk) */
    --neon-blue: #00f3ff;     /* Cyber Blue (Vurgular) */
    --text-main: #ffffff;
    --font-head: 'Orbitron', sans-serif; /* Fütüristik Font */
    --font-body: 'Montserrat', sans-serif;
    
    /* Parlama Efektleri */
    --glow-text: 0 0 10px rgba(255, 0, 85, 0.8), 0 0 20px rgba(255, 0, 85, 0.5);
    --glow-box: 0 0 20px rgba(255, 0, 85, 0.2);
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: var(--font-body);
    overflow-x: hidden; /* Yatay taşmayı engelle */
}

/* ================= PRELOADER (TARAYICI EFEKTİ) ================= */
#preloader-overlay {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: #000;
    z-index: 99999;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    transition: transform 0.8s ease-in-out;
}

#preloader-overlay.loaded { transform: translateY(-100%); }

.scanner {
    width: 300px; height: 4px; background: #222; border-radius: 4px; position: relative; overflow: hidden;
    box-shadow: 0 0 15px var(--neon-pink);
}

.scanner::after {
    content: ''; position: absolute; top: 0; left: 0; width: 30%; height: 100%;
    background: var(--neon-pink);
    box-shadow: 0 0 20px var(--neon-pink);
    animation: scan 1.5s infinite alternate ease-in-out;
}

.system-text {
    font-family: var(--font-head); margin-top: 20px; letter-spacing: 3px;
    color: var(--neon-pink); text-shadow: var(--glow-text); animation: blink 0.5s infinite alternate;
}

@keyframes scan { 0% { left: 0; } 100% { left: 70%; } }
@keyframes blink { from { opacity: 1; } to { opacity: 0.6; } }

/* ================= NAVBAR (DARK GLASS) ================= */
.navbar-custom {
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 0, 85, 0.2);
    transition: 0.3s;
}

.navbar-brand {
    font-family: var(--font-head);
    font-weight: 900;
    color: #fff !important;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.nav-link {
    color: #bbb !important;
    font-family: var(--font-head);
    font-size: 0.8rem;
    transition: 0.3s;
}

.nav-link:hover {
    color: var(--neon-pink) !important;
    text-shadow: 0 0 8px var(--neon-pink);
}

/* ================= HERO SECTION (DÜZELTİLDİ) ================= */
.hero-section {
    height: 100vh;
    width: 100%;
    /* Burası resmi düzeltir: Tekrar yok, tam ekran kaplama */
    background-size: cover; 
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
    display: flex;
    align-items: center; /* İçeriği dikey ortala */
}

/* Karanlık Perde: Yazıların okunması için şart */
.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, rgba(0,0,0,0.4) 0%, rgba(0,0,0,0.8) 70%, var(--bg-dark) 100%);
    z-index: 1;
}

/* İçeriği perdenin önüne al */
.hero-content {
    position: relative;
    z-index: 2;
}

.neon-title {
    font-family: var(--font-head);
    font-weight: 900;
    color: #fff; /* BEYAZ YAZI */
    text-transform: uppercase;
    line-height: 1;
    text-shadow: 0 5px 20px rgba(0,0,0,0.9); /* Siyah gölge */
}

.neon-pink-text {
    color: var(--neon-pink);
    text-shadow: var(--glow-text);
}

.hero-desc {
    color: #e0e0e0;
    background: rgba(0, 0, 0, 0.5); /* Yarı saydam siyah kutu */
    padding: 15px;
    border-left: 3px solid var(--neon-pink);
    backdrop-filter: blur(4px);
}

.btn-neon {
    background: transparent;
    color: var(--neon-pink);
    border: 2px solid var(--neon-pink);
    font-family: var(--font-head);
    text-transform: uppercase;
    letter-spacing: 2px;
    padding: 15px 40px;
    transition: 0.3s;
    text-decoration: none;
    display: inline-block;
    font-weight: bold;
}

.btn-neon:hover {
    background: var(--neon-pink);
    color: #fff;
    box-shadow: 0 0 30px var(--neon-pink);
}

/* ================= KARTLAR VE İSTATİSTİKLER ================= */
.stat-box h2 { font-family: var(--font-head); font-size: 3rem; margin-bottom: 0;}
.stat-box p { color: #888; letter-spacing: 2px; font-size: 0.8rem; }

.dark-card {
    background: var(--bg-card);
    border: 1px solid #222;
    border-radius: 0; /* Köşeli tasarım daha Cyberpunk durur */
    overflow: hidden;
    position: relative;
    transition: 0.4s;
    margin-bottom: 3rem;
}

.dark-card:hover {
    border-color: var(--neon-pink);
    box-shadow: var(--glow-box);
    transform: translateY(-5px);
}

.process-img {
    width: 100%; height: 100%; min-height: 350px; object-fit: cover;
    filter: grayscale(100%) contrast(1.2); /* Siyah Beyaz ve Kontrastlı */
    transition: 0.5s;
}

.dark-card:hover .process-img {
    filter: grayscale(0%) contrast(1); /* Renklenir */
}

.badge-neon {
    background: var(--neon-pink); color: #fff;
    padding: 5px 10px; font-family: var(--font-head); font-size: 0.7rem;
    box-shadow: 0 0 10px var(--neon-pink);
    display: inline-block;
}

/* ================= FOOTER ================= */
footer {
    border-top: 1px solid #222;
    background: #000;
}