/* Variables y Tokens de Diseño Blog */
:root {
    --neon-cyan: #06b6d4;
    --neon-purple: #8b5cf6;
    --neon-green: #22c55e;
    --dark-bg: #0B0F19;
    --glass-bg: rgba(17, 24, 39, 0.7);
}

/* Barra de Progreso de Lectura */
.progress-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: transparent;
    z-index: 100;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(to right, var(--neon-cyan), var(--neon-purple));
    width: 0%;
    box-shadow: 0 0 15px var(--neon-cyan);
}

/* Modal Exit-Intent Premium */
.exit-modal {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(12px);
    display: none;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.exit-modal.active {
    display: flex;
    opacity: 1;
}

.exit-modal-content {
    background: var(--dark-bg);
    border: 1px solid rgba(6, 182, 212, 0.3);
    border-radius: 40px;
    padding: 3rem;
    max-width: 600px;
    width: 90%;
    text-align: center;
    transform: scale(0.9);
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: 0 25px 50px -12px rgba(6, 182, 212, 0.2);
    position: relative;
    overflow: hidden;
}

.exit-modal.active .exit-modal-content {
    transform: scale(1);
}

.exit-modal-content::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.05) 0%, transparent 70%);
    pointer-events: none;
}

/* Lead Magnet Box Component */
.lead-magnet-box {
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 40px;
    padding: 2.5rem;
    margin: 4rem 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    backdrop-filter: blur(5px);
}

.lead-magnet-box h4 {
    color: white;
    font-size: 1.5rem;
    margin-bottom: 1rem;
    font-family: 'Space Grotesk', sans-serif;
}

.lead-magnet-box p {
    color: #94a3b8;
    margin-bottom: 2rem;
    font-size: 0.95rem;
}

/* Botones Premium */
.btn-premium {
    background: linear-gradient(135deg, var(--neon-cyan) 0%, #0891b2 100%);
    color: black;
    padding: 1rem 2rem;
    border-radius: 16px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 0.75rem;
    transition: all 0.3s ease;
    box-shadow: 0 10px 20px -10px rgba(6, 182, 212, 0.5);
    cursor: pointer;
}

.btn-premium:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 15px 30px -10px rgba(6, 182, 212, 0.6);
}

/* Forms */
.premium-input {
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 12px;
    padding: 1rem;
    color: white;
    width: 100%;
    margin-bottom: 1rem;
    outline: none;
    transition: border-color 0.3s;
}

.premium-input:focus {
    border-color: var(--neon-cyan);
}