body {
    font-family: 'Inter', sans-serif;
    background-color: #fafaf9; /* stone-50 */
}
.section-title {
    font-weight: 900;
    font-size: 2.25rem; /* text-4xl */
    line-height: 2.5rem;
    color: #1c1917; /* stone-900 */
}
.section-subtitle {
    font-size: 1.125rem; /* text-xl */
    color: #78716c; /* stone-500 */
    max-width: 42rem; /* max-w-2xl */
    margin-left: auto;
    margin-right: auto;
}
.tab {
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    border-radius: 9999px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}
.tab.active {
    background-color: #0891b2; /* cyan-600 */
    color: white;
}
.tab:not(.active) {
    background-color: #e7e5e4; /* stone-200 */
    color: #57534e; /* stone-600 */
}
.tab:not(.active):hover {
    background-color: #d6d3d1; /* stone-300 */
}
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}
.chart-container {
    position: relative;
    width: 100%;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
    height: auto;
    aspect-ratio: 1/1;
}

/* Estilos para el Botón de Audio Flotante */
.audio-button {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 60px;
    height: 60px;
    background-color: #0891b2; /* cyan-600 */
    color: white;
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 1000;
}

.audio-button:hover {
    background-color: #0e7490; /* cyan-700 */
    transform: scale(1.1);
}

.audio-button svg {
    width: 28px;
    height: 28px;
}