/* --- HEADER SECTION --- */
.content-wrapper {
    max-width: 1100px;
    margin: 0 auto;
    padding: 40px 20px;
    text-align: left;
}

/* Page title (was h2, now h1) */
h1.section-title-logo {
    text-align: center;
    display: block;
    width: 100%;
    font-size: 16px !important; 
    color: #0073a5 !important; 
    margin-bottom: 5px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.cefr-subtitle {
    text-align: center;
    display: block;
    width: 100%;
    font-size: 16px;
    color: #666;
    margin-bottom: 40px;
}

/* --- INTRO SECTION (TEXT & IMAGE) --- */
.intro-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 50px; 
    max-width: 1050px;
    margin: 0 auto 60px auto; 
}

.intro-text-column {
    flex: 1.5; 
    text-align: left;
    line-height: 1.8;
    color: #444;
    font-size: 15px;
}

.intro-image-column {
    flex: 1;
    text-align: right;
}

.levels-small-img {
    width: 100%;
    max-width: 350px; 
    height: auto;
    border-radius: 0 !important;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

/* --- LEVELS ACCORDIONS --- */

/* Main groups A, B, C (was h3, now h2) */
h2.level-group-title {
    font-size: 14px; 
    font-weight: bold;
    color: #0073a5; 
    margin: 40px 0 15px 0;
    padding-bottom: 8px;
    border-bottom: 1px solid #eaeaea;
    text-transform: uppercase;
}

.sub-level-box {
    margin-bottom: 10px;
    padding-left: 20px;
}

.sub-level-box summary {
    font-size: 14px; 
    font-weight: bold;
    color: #0073a5; 
    cursor: pointer;
    padding: 10px 0;
    list-style: none;
}

.sub-level-box summary:hover {
    color: #008cc0;
}

.level-detail-text {
    background-color: #F3FCFF;
    padding: 30px;
    border-left: 5px solid #00B0F0;
    margin-top: 5px;
    line-height: 1.7;
    color: #444;
}


/* Section titles inside levels (Understanding, Speaking...) */
.level-detail-text h3 {
    margin-top: 25px !important;
    margin-bottom: 10px !important;
    color: #0073a5 !important; /* Mismo azul que el grupo LEVEL A */
    text-transform: uppercase !important;
    font-size: 14px !important; /* Tamaño unificado */
    font-weight: bold !important; /* Para que todos resalten igual */
    border-bottom: 1px solid #cceeff;
    padding-bottom: 5px;
}

.level-detail-text p {
    margin-bottom: 15px;
    font-size: 14px;
}


/* --- MOBILE RESPONSIVE --- */
@media (max-width: 850px) {
    .intro-container {
        flex-direction: column;
        text-align: center;
    }
    .intro-text-column { text-align: center; }
}