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

html {
    scroll-behavior: smooth;
}

body {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--secondary-dark) 50%, var(--tertiary-dark) 100%);
    color: var(--text-light);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 30%, rgba(0, 217, 255, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(0, 102, 255, 0.06) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

.container {
    position: relative;
    z-index: 1;
}

h1, h2, h3, h4 {
    font-family: 'Rajdhani', sans-serif;
    font-weight: 700;
    letter-spacing: 0.5px;
}

a {
    color: inherit;
    text-decoration: none;
}

button {
    font-family: 'Rajdhani', sans-serif;
    cursor: pointer;
}

ul {
    list-style: none;
}

/* ANIMACIONES */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideDown {
    from { 
        opacity: 0;
        transform: translateY(-20px);
    }
    to { 
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideUp {
    from { 
        opacity: 0;
        transform: translateY(40px);
    }
    to { 
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInRight {
    from { 
        opacity: 0;
        transform: translateX(100px);
    }
    to { 
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideOutRight {
    from { 
        opacity: 1;
        transform: translateX(0);
    }
    to { 
        opacity: 0;
        transform: translateX(100px);
    }
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
    }
    50% {
        box-shadow: 0 0 0 10px rgba(37, 211, 102, 0);
    }
}

@keyframes glow {
    0%, 100% {
        box-shadow: 0 0 20px rgba(0, 217, 255, 0.3);
    }
    50% {
        box-shadow: 0 0 30px rgba(0, 217, 255, 0.6);
    }
}

/* SCROLL REVEAL */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* SCROLLBAR PERSONALIZADO */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--primary-dark);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--accent-cyan), var(--accent-blue));
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-cyan);
}