/* J2ST ELITE DESIGN SYSTEM */
:root {
    --bg: #000000;
    --text: #ffffff;
    --muted: #666666;
    --border: rgba(255, 255, 255, 0.08);
    --font: 'Satoshi', sans-serif;
}

/* --- Foundation --- */
* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Satoshi', sans-serif; cursor: default; }
html { scroll-behavior: smooth; background: #000; }
body { background: #000; color: var(--text); overflow-x: hidden; -webkit-font-smoothing: antialiased; min-height: 100vh; }
::-webkit-scrollbar { display: none; }

/* --- Fixed Background --- */
.background-wrapper { 
    position: fixed; top: 0; left: 0; width: 100%; height: 100%; z-index: -1; 
    background: #000;
    pointer-events: none; 
}
#bg-particles { width: 100%; height: 100%; opacity: 0.2; }

/* --- Header --- */
.navbar { position: absolute; top: 0; width: 100%; padding: 40px 0; z-index: 1000; }
.nav-container { max-width: 1400px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; padding: 0 60px; }
.logo { font-size: 24px; font-weight: 900; letter-spacing: -1px; color: #fff; text-transform: uppercase; }
.shop-btn { background: #fff; color: #000; border: none; padding: 10px 24px; border-radius: 4px; font-weight: 700; font-size: 11px; text-transform: uppercase; cursor: pointer; transition: 0.2s; letter-spacing: 1px; text-decoration: none; }
.shop-btn:hover { background: #ddd; transform: translateY(-2px); }

/* --- Hero Section --- */
.hero-section { min-height: 100vh; display: flex; flex-direction: column; justify-content: center; align-items: center; text-align: center; padding: 0 20px; position: relative; z-index: 10; }
.hero-content { max-width: 900px; }

.community-link { background: rgba(255,255,255,0.05); border: 1px solid var(--border); padding: 9px 22px; border-radius: 4px; font-size: 10px; font-weight: 700; color: #fff; margin-bottom: 40px; display: inline-block; text-transform: uppercase; letter-spacing: 3px; text-decoration: none; transition: 0.3s; }
.community-link:hover { background: rgba(255,255,255,0.1); border-color: #fff; }

.hero-title { font-size: clamp(40px, 8vw, 90px); font-weight: 900; line-height: 1.0; letter-spacing: -3px; margin-bottom: 25px; color: #fff; }
.highlight { color: #555; }

.hero-subtitle { font-size: 16px; color: #666; margin-bottom: 50px; max-width: 550px; margin-left: auto; margin-right: auto; line-height: 1.6; font-weight: 500; }

.cta-group { display: flex; gap: 20px; justify-content: center; }
.btn-primary { background: #fff; color: #000; border: none; padding: 18px 45px; border-radius: 4px; font-weight: 700; font-size: 15px; text-transform: uppercase; cursor: pointer; transition: 0.3s; letter-spacing: 1px; }
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 10px 30px rgba(255,255,255,0.1); }
.btn-secondary { background: rgba(255,255,255,0.03); color: #fff; border: 1px solid var(--border); padding: 18px 45px; border-radius: 4px; font-weight: 700; font-size: 15px; text-transform: uppercase; cursor: pointer; transition: 0.3s; backdrop-filter: blur(10px); }
.btn-secondary:hover { background: rgba(255,255,255,0.08); border-color: #fff; }

/* --- Auth Modal --- */
.modal-overlay { 
    position: fixed; top: 0; left: 0; width: 100%; height: 100%; 
    background: rgba(0,0,0,0.8); backdrop-filter: blur(20px); 
    z-index: 10000; display: none; justify-content: center; align-items: center; 
    transition: 0.4s; padding: 20px; 
}
.modal-overlay.active { display: flex; }

.modal-box { 
    background: #050505; 
    border: 1px solid rgba(255, 255, 255, 0.1); 
    border-radius: 24px; padding: 50px; 
    width: 100%; max-width: 480px; 
    position: relative; 
    box-shadow: 0 40px 100px rgba(0, 0, 0, 1);
    animation: modalIn 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalIn { from { opacity: 0; transform: translateY(30px) scale(0.95); } to { opacity: 1; transform: translateY(0) scale(1); } }

.close-modal { position: absolute; top: 25px; right: 25px; background: none; border: none; color: #444; font-size: 28px; cursor: pointer; transition: 0.3s; line-height: 1; }
.close-modal:hover { color: #fff; }

.auth-header { text-align: center; margin-bottom: 35px; }
.auth-header h2 { font-size: 28px; font-weight: 900; color: #fff; margin-bottom: 8px; }
.auth-header p { font-size: 14px; color: #666; font-weight: 500; }

.auth-tabs { display: flex; gap: 30px; justify-content: center; margin-bottom: 35px; border-bottom: 1px solid rgba(255,255,255,0.05); }
.auth-tab { background: none; border: none; color: #444; font-size: 13px; font-weight: 800; padding-bottom: 15px; cursor: pointer; text-transform: uppercase; letter-spacing: 1px; transition: 0.3s; }
.auth-tab.active { color: #fff; border-bottom: 2px solid #fff; }

.auth-view { display: none; }
.auth-view.active { display: block; }

.divider { text-align: center; margin: 25px 0; position: relative; }
.divider::before { content: ''; position: absolute; top: 50%; left: 0; width: 100%; height: 1px; background: rgba(255,255,255,0.05); }
.divider span { position: relative; background: #050505; padding: 0 15px; font-size: 10px; color: #444; font-weight: 900; letter-spacing: 2px; text-transform: uppercase; }

.input-group { margin-bottom: 20px; }
.input-group label { display: block; font-size: 11px; color: #666; font-weight: 800; text-transform: uppercase; margin-bottom: 12px; letter-spacing: 1px; }
.input-group input { width: 100%; background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.08); padding: 18px; border-radius: 12px; color: #fff; font-size: 15px; outline: none; transition: 0.3s; }
.input-group input:focus { border-color: #fff; background: rgba(255,255,255,0.05); }

.full-width { width: 100%; }

@media (max-width: 900px) {
    .nav-container { padding: 0 30px; }
    .hero-title { font-size: 48px; letter-spacing: -2px; }
    .cta-group { flex-direction: column; width: 100%; }
    .btn-primary, .btn-secondary { width: 100%; }
}