/* --- CONFIGURACIÓN BASE --- */
body {
    background-color: #020408; 
    color: #e2e8f0;
    overflow-x: hidden;
    cursor: default;
}

/* --- FONDOS --- */
.bg-tech-grid {
    position: fixed;
    top: 0; left: 0; width: 100vw; height: 100vh;
    z-index: -2;
    background-image: 
        linear-gradient(rgba(59, 130, 246, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(59, 130, 246, 0.03) 1px, transparent 1px);
    background-size: 40px 40px;
    background-position: center top;
}

.lab-bg {
    background-image: 
        linear-gradient(90deg, 
            rgba(59, 130, 246, 0.15) 1px, 
            transparent 1px, 
            transparent 20px,
            rgba(59, 130, 246, 0.05) 21px,
            transparent 22px
        );
    background-size: 40px 100%;
}

/* --- EFECTOS --- */
.cursor-glow {
    position: fixed;
    top: 0; left: 0;
    width: 600px; 
    height: 600px;
    background: radial-gradient(circle, rgba(16, 185, 129, 0.25) 0%, transparent 70%); 
    transform: translate(-50%, -50%);
    border-radius: 50%;
    pointer-events: none;
    z-index: -1; 
    transition: opacity 0.3s ease;
    mix-blend-mode: screen;
}

.glass-panel {
    background: rgba(10, 15, 30, 0.4); 
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(59, 130, 246, 0.15);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.mobile-menu {
    background: rgba(2, 4, 8, 0.98);
    backdrop-filter: blur(20px);
}

/* --- ANIMACIONES --- */
@keyframes scroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

.ticker-wrap {
    width: 100%;
    overflow: hidden;
    background: rgba(2, 4, 8, 0.8);
    border-bottom: 1px solid rgba(59, 130, 246, 0.1);
    backdrop-filter: blur(5px);
    white-space: nowrap; 
}

.ticker-track {
    display: flex; 
    width: max-content; 
    animation: scroll 60s linear infinite; 
}

.ticker-item {
    display: inline-flex;
    align-items: center;
    padding: 0 4rem; 
    color: #94a3b8;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    height: 36px; 
}

.sigma-symbol {
    font-family: 'Times New Roman', serif;
    font-weight: 700;
    line-height: 1;
}

select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%233b82f6' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 0.5rem center;
    background-repeat: no-repeat;
    background-size: 1.5em 1.5em;
}