.content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

.content h1 {
    font-size: 3rem;
    margin-bottom: 2rem;
    text-align: center;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    position: relative;
    text-shadow: var(--neon-shadow);
}

section {
    margin-bottom: 3rem;
    background: var(--card-bg);
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.2);
    border: 1px solid rgba(56, 189, 248, 0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-1);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

section:hover::before {
    transform: scaleX(1);
}

section h2 {
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid rgba(56, 189, 248, 0.2);
    font-size: 2rem;
    position: relative;
}

.teoria {
    position: relative;
}

.teoria ul {
    list-style: none;
    margin-left: 1rem;
    margin-top: 1rem;
}

.teoria ul li {
    margin-bottom: 0.8rem;
    padding-left: 1.5rem;
    position: relative;
}

.teoria ul li::before {
    content: '•';
    color: var(--secondary-color);
    position: absolute;
    left: 0;
    font-size: 1.2em;
}

.formula {
    background-color: rgba(15, 23, 42, 0.6);
    padding: 2rem;
    margin: 1.5rem 0;
    border-radius: 12px;
    text-align: center;
    overflow-x: auto;
    border: 1px solid rgba(56, 189, 248, 0.3);
    box-shadow: 0 4px 20px rgba(56, 189, 248, 0.1);
    backdrop-filter: blur(10px);
}

.formula-card {
    background-color: rgba(30, 41, 59, 0.4);
    padding: 2rem;
    margin-bottom: 2rem;
    border: 1px solid rgba(56, 189, 248, 0.3);
    border-radius: 12px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(56, 189, 248, 0.1);
}

.formula-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 32px rgba(56, 189, 248, 0.2);
}

.formula-card h3 {
    color: var(--secondary-color);
    margin-bottom: 1.2rem;
    font-size: 1.5rem;
}

.esempio-card {
    background-color: rgba(30, 41, 59, 0.4);
    padding: 2rem;
    margin-bottom: 2rem;
    border: 1px solid rgba(56, 189, 248, 0.3);
    border-radius: 12px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(56, 189, 248, 0.1);
}

.esempio-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 32px rgba(56, 189, 248, 0.2);
}

.esempio-card h3 {
    color: var(--secondary-color);
    margin-bottom: 1.2rem;
    font-size: 1.5rem;
}

.soluzione {
    background-color: rgba(15, 23, 42, 0.6);
    padding: 2rem;
    margin-top: 1.5rem;
    border-radius: 12px;
    border: 1px solid rgba(56, 189, 248, 0.3);
    box-shadow: 0 4px 20px rgba(56, 189, 248, 0.1);
    backdrop-filter: blur(10px);
}

.soluzione p {
    margin-bottom: 1rem;
    line-height: 1.8;
}

/* Animazioni per le formule matematiche */
.formula, .soluzione {
    animation: fadeIn 0.5s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .content {
        padding: 1rem;
    }

    .content h1 {
        font-size: 2.2rem;
    }

    section {
        padding: 1.5rem;
    }

    section h2 {
        font-size: 1.8rem;
    }

    .formula, .soluzione {
        padding: 1.5rem;
        font-size: 0.9rem;
    }

    .formula-card, .esempio-card {
        padding: 1.5rem;
    }

    .formula-card:hover, .esempio-card:hover {
        transform: none;
    }
}

/* Print styles */
@media print {
    nav {
        display: none;
    }

    .content {
        max-width: 100%;
        padding: 0;
    }

    section {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ddd;
    }

    .formula, .soluzione {
        break-inside: avoid;
    }
}