:root {
    --primary-dark: #1a2a3a;
    --accent-red: #e74c3c;
    --bg-light: #f4f6f8;
    --border-color: #eee;
}

.course-page {
    padding: 40px 20px;
    background: #fff;
}

.hero-course {
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.4));
    background-size: cover;
    background-position: center;
    color: white;
    padding: 60px 20px;
    border-radius: 8px;
    margin-bottom: 40px;
    border-left: 10px solid var(--accent-red);
}

.hero-course-intro {
    background-image: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.4)), url('../assets/introduccion-a-la-lucha-contra-incendios.png');
}

.hero-course h1 {
    font-size: 2.5rem;
    margin-bottom: 15px;
    line-height: 1.2;
}

.tag-corporativo {
    background: var(--accent-red);
    color: #fff;
    padding: 6px 16px;
    border-radius: 4px;
    font-weight: bold;
    font-size: 0.85rem;
    text-transform: uppercase;
    display: inline-block;
    margin-bottom: 20px;
}

.grid-container {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: 40px;
}

.section-card {
    margin-bottom: 24px;
    padding: 20px;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 6px 18px rgba(0,0,0,0.03);
}

.section-card h2 {
    color: var(--primary-dark);
    margin-bottom: 20px;
    font-size: 1.6rem;
    display: flex;
    align-items: center;
    gap: 10px;
    border-bottom: 2px solid var(--accent-red);
    padding-bottom: 5px;
    width: fit-content;
}

.description-box {
    line-height: 1.7;
    color: #444;
    margin-bottom: 30px;
}

.description-box p {
    margin-bottom: 15px;
}

.temario-clase {
    background: #f9f9f9;
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    border: 1px solid var(--border-color);
}

.temario-clase ol {
    padding-left: 20px;
}

.temario-clase ol li {
    margin-bottom: 10px;
    line-height: 1.6;
}

.temario-clase ol li ol {
    list-style-type: lower-alpha; /* usa letras para subniveles */
    padding-left: 18px;
    margin-top: 8px;
}

/* Numeración del temario: números en el color de acento y en negrita */
.temario-clase ol li::marker {
    color: var(--accent-red);
    font-weight: 700;
    font-size: 1rem;
}

/* Subniveles mantienen el mismo color pero ligeramente más pequeños */
.temario-clase ol li ol li::marker {
    color: var(--accent-red);
    font-weight: 700;
    font-size: 0.95rem;
}

.temario-clase h4 {
    color: var(--accent-red);
    margin-bottom: 12px;
    border-bottom: 1px solid #ddd;
    padding-bottom: 5px;
    font-size: 1.1rem;
}

.temario-clase ul {
    list-style: none;
    padding-left: 0;
}

.temario-clase ul li {
    padding: 6px 0;
    position: relative;
    padding-left: 24px;
    font-size: 0.95rem;
    line-height: 1.6;
}

.temario-clase ul li::before {
    content: '■';
    position: absolute;
    left: 0;
    color: var(--primary-dark);
    font-size: 0.7rem;
    top: 7px;
}

/* Mejoras específicas para listas dentro de description-box (Requisitos materiales) */
.description-box ul {
    list-style: disc;
    margin-left: 1.1rem;
    padding-left: 1.1rem;
}

.description-box ul li {
    margin-bottom: 8px;
    padding-right: 14px; /* espacio a la derecha para evitar corte visual */
}

.description-box ul li::marker {
    color: var(--accent-red);
}

.sidebar-info {
    background: var(--bg-light);
    padding: 25px;
    border-radius: 8px;
    position: sticky;
    top: 100px;
    border: 1px solid #e0e0e0;
}

.info-row {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid #ddd;
    font-size: 0.95rem;
}

.info-row strong {
    color: var(--primary-dark);
}

.inscription-box {
    margin-top: 25px;
    text-align: center;
}

.btn-payment {
    background: #009ee3;
    color: white;
    padding: 12px;
    border-radius: 5px;
    display: block;
    margin-top: 10px;
    font-weight: bold;
    text-decoration: none;
    transition: opacity 0.3s, transform 0.15s;
}

.btn-payment:hover {
    opacity: 0.9;
}

.btn-primary {
    background: var(--accent-red);
    color: white;
    padding: 12px;
    border-radius: 5px;
    display: block;
    font-weight: bold;
    text-decoration: none;
    text-align: center;
    transition: opacity 0.2s, transform 0.12s;
}

.btn-primary:hover {
    opacity: 0.95;
    transform: translateY(-2px);
}

.btn-whatsapp {
    background: #25d366;
    color: white;
    padding: 12px;
    border-radius: 5px;
    display: block;
    font-weight: bold;
    text-decoration: none;
    text-align: center;
    transition: opacity 0.2s, transform 0.12s;
}

.btn-whatsapp:hover {
    opacity: 0.95;
    transform: translateY(-2px);
}

.btn-payment:hover {
    opacity: 0.9;
    transform: translateY(-2px);
}

.eval-box {
    background: #e3f2fd;
    padding: 25px;
    border-radius: 8px;
    border-left: 6px solid #1976d2;
}

@media (max-width: 992px) {
    .grid-container {
        grid-template-columns: 1fr;
    }

    .sidebar-info {
        position: static;
    }

    .main-content {
        order: 2;
    }

    .sidebar {
        order: 1;
    }
}