:root {
  --primary: #2ed06e; 

  --secondary: #1e293b; 

  --accent-light: #22c55e;

  --accent-contrast: #10b981; 

  --text-color: #374151; 

  --text-muted: #6b7280; 

  --bg-light: #f9fafb; 

  --bg-card: #ffffff; 

  --border-color: #e5e7eb; 
}

body {
    font-family: 'Poppins', sans-serif !important;
    color: var(--text-color);
    line-height: 1.7;
    background-color: #fff;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', sans-serif !important;
    color: var(--secondary);
    font-weight: 700;
}


/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent-light) 100%);
    min-height: 100vh; 
    padding-top: 5rem; 
}

.hero-section h1 {
    color: #fff;
    font-size: 3.8rem; 
}

.hero-section p.lead {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.35rem;
}

.hero-section .btn-primary {
    background-color: #fff;
    border-color: #fff;
    color: var(--primary);
    font-weight: 600;
    padding: 0.8rem 2rem;
    border-radius: 0.5rem;
    transition: all 0.3s ease;
}

.hero-section .btn-primary:hover {
    background-color: rgba(255, 255, 255, 0.9);
    border-color: rgba(255, 255, 255, 0.9);
    transform: translateY(-3px);
}

.hero-graph-placeholder {
    height: 300px;
    background-color: rgba(255, 255, 255, 0.15);
    border: 2px dashed rgba(255, 255, 255, 0.4);
    color: #fff;
    font-size: 1.5rem;
}
.hero-graph-placeholder .fa-chart-pie {
    color: #fff !important; /* Asegurar color blanco para el icono en el hero */
}


/* Secciones Generales */
section {
    padding-top: 5rem;
    padding-bottom: 5rem;
}

.bg-light {
    background-color: var(--bg-light) !important;
}

.text-primary { color: var(--primary) !important; }
.text-secondary { color: var(--secondary) !important; }
.text-info { color: #000000 !important; } /* Bootstrap default info */
.text-success { color: #28a745 !important; } /* Bootstrap default success */
.text-danger { color: #dc3545 !important; } /* Bootstrap default danger */
.text-warning { color: #ffc107 !important; } /* Bootstrap default warning */


/* Contenido Teórico y Tarjetas */
.card {
    border: none;
    border-radius: 1rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover.animated-card {
    transform: translateY(-5px);
    box-shadow: 0 1rem 3rem rgba(0,0,0,.175) !important;
}

.card-title {
    font-weight: 600;
}

.formula-box {
    background-color: #e2e8f0;
    border-left: 5px solid var(--primary);
    padding: 1.25rem;
    margin-bottom: 1.5rem;
    font-family: 'Consolas', 'Courier New', monospace;
    font-size: 1.1rem;
    color: #2d3748;
}

.alert-info {
    background-color: #2ed06e; /* Un azul muy claro */
    color: #000000;
    border-left: 5px solid #007bff;
}

.alert-info .alert-heading {
    color: #000000;
}

blockquote {
    font-style: italic;
    color: var(--text-muted);
}

/* Botones en secciones */
.btn-outline-primary {
    color: var(--primary);
    border-color: var(--primary);
}
.btn-outline-primary:hover {
    background-color: var(--primary);
    color: #fff;
}
.btn-outline-danger {
    color: var(--danger);
    border-color: var(--danger);
}
.btn-outline-danger:hover {
    background-color: var(--danger);
    color: #fff;
}
.btn-outline-success {
    color: var(--success);
    border-color: var(--success);
}
.btn-outline-success:hover {
    background-color: var(--success);
    color: #fff;
}


/* Footer */
footer {
    background-color: var(--secondary) !important;
    color: rgba(255, 255, 255, 0.8) !important;
}

footer .fa-heart {
    color: #e53e3e !important;
}

/* Responsividad (ajustes menores para pantallas pequeñas) */
@media (max-width: 768px) {
    .hero-section {
        min-height: 80vh;
        padding-top: 4rem;
    }
    .hero-section h1 {
        font-size: 2.5rem;
        margin-bottom: 1.5rem !important;
    }
    .hero-section p.lead {
        font-size: 1.1rem;
        margin-bottom: 2rem !important;
    }
    .hero-graph-placeholder {
        height: 200px;
        margin-top: 3rem !important;
    }
    section {
        padding-top: 3rem;
        padding-bottom: 3rem;
    }
    .display-4 {
        font-size: 2.5rem;
    }
    .fs-5 {
        font-size: 1rem !important;
    }
}