body {
    margin: 0;
    font-family: 'DM Sans', sans-serif;
    background: #f6f6f6;
}

/* CONTENEDOR */
.proyecto {
    max-width: 1200px;
    margin: 40px auto;
    padding: 0 20px;
}

/* HEADER */
.header-proyecto {
    margin-bottom: 25px;
}

.header-proyecto h1 {
    font-family: 'Playfair Display';
    font-size: 38px;
    margin: 0;
}

.sub {
    font-size: 12px;
    letter-spacing: 2px;
    color: #666;
    margin-top: 6px;
}

.descripcion {
    max-width: 600px;
    margin-top: 15px;
    line-height: 1.6;
    color: #333;
}

/* GALERÍA DESKTOP */
.galeria {
    display: flex;
    gap: 10px;
}

/* MINIATURAS */
.thumbs {
    width: 90px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.thumbs img {
    width: 100%;
    height: 80px;
    object-fit: cover;
    cursor: pointer;
    opacity: 0.7;
    transition: 0.3s;
}

.thumbs img:hover {
    opacity: 1;
}

/* IMAGEN PRINCIPAL */
.viewer {
    position: relative;
    flex: 1;
    cursor: grab;
}

.viewer:active {
    cursor: grabbing;
}

.viewer img {
    width: 100%;
    height: auto;
    display: block;
}

/* FLECHAS */
.flecha {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    background: rgba(0,0,0,0.35);
    backdrop-filter: blur(6px);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.izquierda { left: 15px; }
.derecha { right: 15px; }

/* 📱 CELULAR (AQUÍ ESTÁ EL FIX 🔥) */
@media (max-width: 768px) {

    .galeria {
        flex-direction: column;
    }

    /* 👇 ORDEN CORRECTO */
    .viewer {
        order: 1;
        height: 300px;
    }

    .thumbs {
        order: 2;
        flex-direction: row;
        width: 100%;
        overflow-x: auto;
        gap: 8px;
    }

    .viewer img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

    .thumbs img {
        width: 85px;
        height: 60px;
        flex-shrink: 0;
    }

}