.container-nosotros {
    font-family: 'Source Serif Pro', serif;
    max-width: 1400px;
    width: 95%;
    margin: 2rem auto;
    padding: 0 1rem 2rem;
    display: grid;   
    grid-template-areas:   
    "aa aa aa aa aa aa aa aa aa aa aa aa"
    "bb bb bb bb bb bb bb bb bb bb bb bb"
    "cc cc cc cc cc cc dd dd dd dd dd dd"
    "ee ee ee ee ee ee ff ff ff ff ff ff"
    "gg gg gg gg gg gg gg gg gg gg gg gg";
    grid-template-rows: minmax(300px, 400px) auto minmax(250px, auto) minmax(250px, auto) auto;
    grid-template-columns: repeat(12, 1fr);
    gap: 1.5rem;
    border-radius: 10px;
}

.sec1 {
    border-radius: 15px;
    grid-area: aa;
    overflow: hidden;
    background-image: url("https://images.unsplash.com/photo-1526256262350-7da7584cf5eb?ixlib=rb-1.2.1&ixid=MnwxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8&auto=format&fit=crop&w=1470&q=80");
    background-size: cover;
    background-position: center;
    position: relative;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
}

.sec1::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.3);
}

.sec2 {
    border-radius: 15px;
    grid-area: bb;
    background: white;
    padding: 3rem 2.5rem;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    animation: fadeInUp 0.6s ease;
    min-height: fit-content;
}

.sec2 > h1 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: bold;
    color: #667eea;
    margin-bottom: 1.5rem;
}

.sec2 > h2, .sec3 > h2, .sec6 > h2, .sec7 > h2 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    padding: 10px 0;
    font-weight: bold;
    color: #667eea;
    margin-top: 1.5rem;
}

.sec2 > p, .sec3 > p, .sec6 > p {
    font-size: clamp(1rem, 1.5vw, 1.2rem);
    line-height: 1.8;
    color: #555;
    margin-bottom: 1rem;
    text-align: justify;
}

.sec3 { 
    border-radius: 15px;
    grid-area: cc;
    background: white;
    padding: 2.5rem 2rem;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    animation: fadeInUp 0.7s ease;
    min-height: fit-content;
    display: flex;
    flex-direction: column;
}

.sec4 {
    border-radius: 15px;
    grid-area: dd;
    overflow: hidden; 
    background-image: url("https://cdn.pixabay.com/photo/2017/02/08/08/55/difference-2048174_960_720.jpg");
    background-size: cover;
    background-position: center;
    position: relative;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
    animation: fadeInUp 0.8s ease;
}

.sec4::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(102, 126, 234, 0.3);
}

.sec5 {
    border-radius: 15px;
    grid-area: ee;
    overflow: hidden; 
    background-image: url("https://cdn.pixabay.com/photo/2012/11/06/04/15/stestoskop-64276_960_720.jpg");
    background-size: cover;
    background-position: center;
    position: relative;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
    animation: fadeInUp 0.9s ease;
}

.sec5::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(118, 75, 162, 0.3);
}

.sec6 {
    border-radius: 15px;
    grid-area: ff;
    background: white;
    padding: 2.5rem 2rem;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    animation: fadeInUp 1s ease;
    min-height: fit-content;
    display: flex;
    flex-direction: column;
}

.sec7 {
    border-radius: 15px;
    grid-area: gg;
    background: white;
    padding: 2.5rem 2rem;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    animation: fadeInUp 1.1s ease;
    min-height: fit-content;
}

/* Animación */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}
/****************** SEDES ****************************/
.container-sedes {
    width: 100%;
    display: grid;   
    grid-template-areas:   
    "aa aa aa aa cc cc cc cc ee ee ee ee"
    "bb bb bb bb dd dd dd dd ff ff ff ff";
    grid-template-rows: auto minmax(200px, 250px);
    grid-template-columns: repeat(12, 1fr);
    gap: 1.5rem;
    border-radius: 10px;
    margin-top: 2rem;
}

.sed-uno {
    border-radius: 12px;
    grid-area: aa;
    overflow: hidden; 
    background-image: url("../img/sedes/cbacap.jpg"); 
    background-size: cover;
    background-position: center;
    padding: 1.5rem;
    display: flex;
    align-items: flex-end;
    position: relative;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.sed-uno::before,
.sed-dos::before,
.sed-tres::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.7), transparent);
}

.sed-uno-img {
    border-radius: 12px;
    grid-area: bb;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.sed-uno-img iframe,
.sed-dos-img iframe,
.sed-tres-img iframe {
    width: 100%;
    height: 100%;
    border: none;
    display: block;
}

.sed-dos {
    border-radius: 12px;
    grid-area: cc;
    overflow: hidden;
    background-image: url("../img/sedes/altagracia.png"); 
    background-size: cover;
    background-position: center;
    padding: 1.5rem;
    display: flex;
    align-items: flex-end;
    position: relative;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.sed-dos-img {
    border-radius: 12px;
    grid-area: dd;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.sed-tres {
    border-radius: 12px;
    grid-area: ee;
    overflow: hidden; 
    background-image: url("../img/sedes/cosquin.jpg");
    background-size: cover;
    background-position: center;
    padding: 1.5rem;
    display: flex;
    align-items: flex-end;
    position: relative;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.sed-tres-img {
    border-radius: 12px;
    grid-area: ff;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.sed-uno > h3, .sed-dos > h3, .sed-tres > h3 {
    color: white;
    font-size: clamp(1.3rem, 2.5vw, 1.8rem);
    font-weight: bold;
    position: relative;
    z-index: 2;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.7);
}

/* ==================== RESPONSIVE DESIGN ==================== */
@media (max-width: 992px) {
    .container-nosotros {
        width: 98%;
        grid-template-areas:   
        "aa aa aa aa aa aa aa aa aa aa aa aa"
        "bb bb bb bb bb bb bb bb bb bb bb bb"
        "cc cc cc cc cc cc cc cc cc cc cc cc"
        "dd dd dd dd dd dd dd dd dd dd dd dd"
        "ee ee ee ee ee ee ee ee ee ee ee ee"
        "ff ff ff ff ff ff ff ff ff ff ff ff"
        "gg gg gg gg gg gg gg gg gg gg gg gg";
        grid-template-rows: minmax(250px, 350px) auto auto minmax(200px, 250px) auto minmax(200px, 250px) auto;
        gap: 1.2rem;
    }

    .container-sedes {
        grid-template-areas:   
        "aa aa aa aa aa aa bb bb bb bb bb bb"
        "cc cc cc cc cc cc dd dd dd dd dd dd"
        "ee ee ee ee ee ee ff ff ff ff ff ff";
        grid-template-rows: auto minmax(180px, 220px) minmax(180px, 220px);
    }
}

@media (max-width: 768px) {
    .container-nosotros {
        margin: 1rem auto;
        padding: 0 0.5rem;
        gap: 1rem;
    }

    .sec2, .sec3, .sec6, .sec7 {
        padding: 2rem 1.5rem;
    }

    .sec2 > h1 {
        margin-bottom: 1rem;
    }

    .sec2 > h2, .sec3 > h2, .sec6 > h2, .sec7 > h2 {
        margin-top: 1rem;
    }

    .container-sedes {
        grid-template-areas:   
        "aa aa aa aa aa aa aa aa aa aa aa aa"
        "bb bb bb bb bb bb bb bb bb bb bb bb"
        "cc cc cc cc cc cc cc cc cc cc cc cc"
        "dd dd dd dd dd dd dd dd dd dd dd dd"
        "ee ee ee ee ee ee ee ee ee ee ee ee"
        "ff ff ff ff ff ff ff ff ff ff ff ff";
        grid-template-rows: auto repeat(3, minmax(200px, 250px));
        gap: 1rem;
    }

    .sed-uno-img iframe,
    .sed-dos-img iframe,
    .sed-tres-img iframe {
        height: 250px;
    }
}

@media (max-width: 480px) {
    .container-nosotros {
        gap: 0.8rem;
        grid-template-rows: minmax(200px, 300px) auto auto minmax(180px, 220px) auto minmax(180px, 220px) auto;
    }

    .sec2, .sec3, .sec6, .sec7 {
        padding: 1.5rem 1rem;
    }

    .sed-uno-img iframe,
    .sed-dos-img iframe,
    .sed-tres-img iframe {
        height: 200px;
    }
}