/* ===========================
   VARIABLES Y ESTILOS BASE
   =========================== */

:root {
    /* Colores */
    --bg-dark: #080a0c;
    --bg-panel: rgba(18, 20, 25, 0.8);
    --accent: #00d4ff;
    --accent-glow: rgba(0, 212, 255, 0.25);
    --text-main: #e0e0e0;
    --text-muted: #9ca3af;
    --border-color: rgba(255, 255, 255, 0.06);
    
    /* Dimensiones */
    --nav-height: 70px;
    --card-radius: 12px;
    --container-max-width: 1300px;
    --container-width: 90%;
    
    /* Transiciones */
    --transition-fast: 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
    --transition-medium: 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
    --transition-slow: 1s cubic-bezier(0.2, 0.8, 0.2, 1);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Roboto', sans-serif;
    background-color: var(--bg-dark);
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(0, 212, 255, 0.05) 0%, transparent 25%),
        radial-gradient(circle at 90% 80%, rgba(0, 212, 255, 0.05) 0%, transparent 25%);
    color: var(--text-main);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Orbitron', sans-serif;
    color: #fff;
    letter-spacing: 1px;
    font-weight: 700;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-fast);
}

/* Container Principal */
.container {
    width: var(--container-width);
    max-width: var(--container-max-width);
    margin: 0 auto;
}

main {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding-bottom: 80px;
}

/* Animaciones Base */
@keyframes spin {
    100% { transform: rotate(360deg); }
}

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

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Utilidades */
.reveal-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: var(--transition-slow);
}

.reveal-right {
    opacity: 0;
    transform: translateX(50px);
    transition: var(--transition-slow);
}

.reveal-up {
    opacity: 0;
    transform: translateY(40px);
    transition: var(--transition-slow);
}

.active {
    opacity: 1;
    transform: translate(0);
}

/* Responsive Base */
@media (max-width: 768px) {
    :root {
        --container-width: 95%;
        --nav-height: 60px;
    }
}