@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;700;900&family=JetBrains+Mono:wght@400;700&display=swap');

/* --- GLOBAL SİSTEM AYARLARI --- */
* {
    box-sizing: border-box; /* Padding'in genişliği bozmasını engeller (Kayma Fix) */
}

:root {
    --bg: #0d1117;
    --card-bg: #161b22;
    --border: #30363d;
    --accent: #58a6ff;
    --text-dim: #8b949e;
    --glass: rgba(255, 255, 255, 0.02);
    --glass-border: rgba(255, 255, 255, 0.08);
    --accent-glow: rgba(88, 166, 255, 0.15);
}

body, html {
    margin: 0; padding: 0;
    background-color: var(--bg);
    color: #f0f6fc;
    font-family: 'Inter', sans-serif;
    scroll-behavior: smooth;
    overflow-x: hidden; /* Sağ tarafa kaymayı kesin yasaklar */
    width: 100%;
}

.main-container { max-width: 1100px; margin: auto; padding: 40px; }

/* --- MASTER HEADER (3 PARÇALI YAPI) --- */
.hub-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 40px;
    position: fixed; /* Sayfayı kaydırsan da üstte asılı kalır */
    width: 100%;
    top: 0;
    left: 0;
    z-index: 1000;
    background: rgba(13, 17, 23, 0.85);
    backdrop-filter: blur(15px);
    border-bottom: 1px solid var(--glass-border);
}

/* 1. Sol Kısım: Logo */
.logo-wrapper {
    display: flex;
    align-items: center;
    gap: 15px;
    flex: 1; /* Eşit alan kaplar */
    cursor: pointer;
    transition: 0.3s;
}

.logo-wrapper:hover { transform: translateX(5px); }

.logo-wrapper img {
    width: 55px !important; /* Büyük logo */
    height: 55px !important;
    border-radius: 12px;
    border: 1px solid var(--glass-border);
    box-shadow: 0 0 20px var(--accent-glow);
}

.logo-text h2 {
    font-size: 1.5rem;
    font-weight: 900;
    margin: 0;
    letter-spacing: -1px;
}

/* 2. Orta Kısım: İmza */
.brand-signature {
    flex: 1;
    text-align: center;
}

.brand-signature h2 {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--accent);
    margin: 0;
    font-weight: 500;
    animation: pulse 4s infinite ease-in-out;
}

/* 3. Sağ Kısım: Navigasyon */
.hub-nav {
    flex: 1;
    display: flex;
    justify-content: flex-end;
    gap: 25px;
}

.hub-nav a {
    color: var(--text-dim);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
    transition: 0.3s;
}

.hub-nav a:hover { color: var(--accent); }

/* --- İÇERİK DÜZENLEMELERİ --- */
.hero, .hero-elite, .hero-minimal {
    padding-top: 140px !important; /* Fixed header altında kalmaması için */
}

.mega-title { font-size: 5rem; line-height: 1; margin: 0; font-weight: 900; letter-spacing: -2px; }

/* STORE & CARDS */
.product-card, .qa-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    padding: 30px;
    border-radius: 20px;
    transition: 0.3s ease;
}

.product-card:hover { 
    border-color: var(--accent); 
    transform: translateY(-8px); 
    box-shadow: 0 10px 30px rgba(0,0,0,0.4); 
}

/* --- ANIMASYONLAR --- */
@keyframes pulse {
    0%, 100% { opacity: 0.4; text-shadow: 0 0 5px var(--accent); }
    50% { opacity: 1; text-shadow: 0 0 20px var(--accent); }
}

/* --- MOBİL UYUMLULUK --- */
@media (max-width: 850px) {
    .brand-signature { display: none; } /* Mobilde imzayı gizle (kayma engellenir) */
    
    .hub-header { padding: 15px 20px; }
    
    .logo-wrapper img {
        width: 40px !important;
        height: 40px !important;
    }
    
    .logo-text h2 { font-size: 1.1rem; }
    
    .hub-nav { gap: 15px; }
    
    .mega-title { font-size: 3rem; }
}