/* ============================= */
/* BASE Y BODY */
/* ============================= */
body {
    font-family: Arial, sans-serif;
    margin: 20px;
    background-color: #f7f9fc;
    color: #333;
    text-align: justify;
}

header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 20px;
    flex-wrap: wrap; /* permite que elementos no se recorten */
}

.logo {
    width: 400px !important; /* tamaño mayor */
    max-width: 100%;
    height: auto;
    flex-shrink: 0; /* evita que se encoja con el flex */
}

.titles h1 {
    font-size: 3em;
    margin: 0;
}

.titles h3 {
    font-size: 1.2em; /* más pequeño para el título largo */
    margin-top: 5px;
    font-weight: normal;
    color: #555;
}

nav {
    margin-bottom: 30px;
    font-size: 1.1em;
}

nav a {
    margin-right: 15px;
    text-decoration: none;
    color: #2c3e50;
}

nav a:hover {
    text-decoration: underline;
}

section {
    margin-bottom: 40px;
    background-color: #fff;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0,0,0,0.05);
}

/* ============================= */
/* FIGURES GALLERY */
/* ============================= */
.figures-description {
    margin-bottom: 20px;
    font-size: 1em;
    color: #444;
    text-align: justify;
}

.figures-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 260px)); /* ancho fijo máximo */
    justify-content: center; /* centra las figuras cuando hay pocas */
    gap: 25px;
}


.figure {
    margin-bottom: 30px;
    text-align: center;
    background: #ffffff;
    padding: 12px;
    border-radius: 10px;
    border: 1px solid #e3e6ea;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    position: relative; /* para tooltip */
    overflow: visible; /* muy importante para que el tooltip no se corte */
    max-width: 380px; /* limita el ancho incluso si hay pocas columnas */
    margin: 0 auto;    /* centra la figura cuando no hay muchas */
    width: 100%;      /* para que el contenido se ajuste al max-width */
}

.figure:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 22px rgba(0,0,0,0.12);
}

.figure p {
    font-weight: bold;
    margin-bottom: 5px;
}

.figure img {
    border: 1px solid #ccc;
    max-width: 100%;
    height: auto;
}

/* ============================= */
/* TOOLTIP CON ICONO ℹ️ */
/* ============================= */
.tooltip-icon {
    position: relative; /* clave: ahora el tooltip se posiciona respecto al icono */
    display: inline-block;
    margin-left: 5px;
    color: #2c3e50;
    font-weight: bold;
    cursor: pointer;
    border-radius: 50%;
    width: 18px;
    height: 18px;
    text-align: center;
    line-height: 18px;
    background: #ddd;
    font-size: 0.9em;
}

.tooltip-text {
    visibility: hidden;
    opacity: 0;
    width: 220px;
    background-color: #2c3e50;
    color: #fff;
    text-align: center;
    border-radius: 6px;
    padding: 8px 10px;
    position: absolute; /* ahora relativo al icono */
    top: 75%;           /* justo debajo del icono */
    left: 50%;
    transform: translateX(-50%);
    z-index: 999;
    transition: opacity 0.3s;
    white-space: normal;
    max-height: 150px;    /* scroll si es texto largo */
    overflow-y: auto;
}

.tooltip-text::after {
    content: "";
    position: absolute;
    top: -5px; /* la flecha apuntando hacia arriba */
    left: 50%;
    transform: translateX(-50%);
    border-width: 5px;
    border-style: solid;
    border-color: transparent transparent #2c3e50 transparent;
}

.tooltip-icon:hover + .tooltip-text,
.tooltip-icon:focus + .tooltip-text {
    visibility: visible;
    opacity: 1;
}

/* ============================= */
/* FIGURE THUMBNAILS */
/* ============================= */
.thumbnail {
    width: 100%;
    max-width: 260px;
    height: auto;
    border-radius: 8px;
    border: 1px solid #ccc;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.thumbnail:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 20px rgba(0,0,0,0.15);
}

.figures-gallery .figure p {
    margin-top: 8px;
    font-size: 0.95em;
    font-weight: normal;
    color: #555;
}

/* ============================= */
/* HEADINGS PARA SECCIONES */
/* ============================= */
h3 {
    margin-top: 35px;
    margin-bottom: 15px;
    color: #2c3e50;
    border-left: 4px solid #2c3e50;
    padding-left: 10px;
}

/* ============================= */
/* MODAL PARA IMAGEN AMPLIADA */
/* ============================= */
#imgModal {
    display: none;
    position: fixed;
    z-index: 1000;
    padding-top: 60px;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.9);
}

#imgModal img {
    margin: auto;
    display: block;
    max-width: 90%;
    max-height: 85%;
    border-radius: 8px;
}

#modalCaption {
    text-align: center;
    color: #fff;
    margin-top: 15px;
    font-size: 1em;
}

#imgModal .modal-close {
    position: absolute;
    top: 30px;
    right: 45px;
    color: #fff;
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
    transition: 0.3s;
}

#imgModal .modal-close:hover {
    color: #ccc;
}

/* ============================= */
/* FOOTER Y OTROS ELEMENTOS */
/* ============================= */
footer {
    margin-top: 50px;
    text-align: center;
    color: #777;
    font-size: 0.9em;
}

/* Team section hover info */
.team-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}

.team-member {
    width: 220px;
    margin: 20px;
    text-align: center;
}

.team-member img.team-photo {
    width: 180px;
    height: auto;
    border-radius: 50%;
    border: 2px solid #2c3e50;
    cursor: pointer;
}

.team-member h3, .team-member p {
    margin: 5px 0;
}

/* Partners logos */
#partners {
    background-color: #ffffff;
    padding: 10px 0;
    overflow-x: auto;
    white-space: nowrap;
}

.partners-logos {
    display: inline-flex;
    align-items: center;
    gap: 40px;
    padding: 0 20px;
}

.partners-logos img {
    height: 60px;
    width: auto;
    object-fit: contain;
    transition: transform 0.3s ease;
    display: inline-block;
}

.partners-logos img:hover {
    transform: scale(1.2);
    transform-origin: center;
}

@media (max-width: 768px) {
    .partners-logos img {
        height: 45px;
    }
    .partners-logos {
        gap: 25px;
    }
}


/* ============================= */
/* TEAM MEMBER MODAL (hover) */
/* ============================= */
.team-member {
    position: relative; /* necesario para posicionar el modal relativo a la foto */
}

.team-member .modal {
    display: none; /* oculto por defecto */
    position: absolute; /* sobre la imagen */
    top: 50%;
    left: 110%; /* a la derecha de la imagen */
    transform: translateY(-50%);
    width: 280px;
    max-height: 300px;
    overflow-y: auto;
    background-color: #2c3e50;
    color: #fff;
    padding: 12px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
    z-index: 1000;
    transition: opacity 0.3s ease;
}

/* Mostrar modal al pasar el ratón sobre la foto */
.team-member img.team-photo:hover + .modal,
.team-member img.team-photo:focus + .modal {
    display: block;
}

/* Scroll interno si el contenido es largo */
.team-member .modal::-webkit-scrollbar {
    width: 6px;
}
.team-member .modal::-webkit-scrollbar-thumb {
    background-color: #555;
    border-radius: 3px;
}

/* ============================= */
/* FIXED SIDEBAR */
/* ============================= */
#sidebar {
    position: fixed;
    top: 100px; /* ajustar según header */
    right: 0;
    width: 220px;
    background-color: #f7f9fc;
    border-left: 2px solid #2c3e50;
    padding: 20px;
    box-shadow: -3px 0 8px rgba(0,0,0,0.1);
    z-index: 9999;
}

#sidebar h3 {
    margin-top: 0;
    color: #2c3e50;
    font-size: 1.2em;
    border-bottom: 1px solid #2c3e50;
    padding-bottom: 5px;
}

#sidebar ul { list-style: none; padding-left: 0; margin-top: 10px; }
#sidebar ul li { margin: 12px 0; }
#sidebar ul li a { text-decoration: none; color: #2c3e50; font-weight: 500; transition: color 0.3s; }
#sidebar ul li a:hover { color: #1b2533; text-decoration: underline; }

/* Responsive sidebar */
@media (max-width: 1024px) { 
    #sidebar { display: none; } 
}


.center-image {
    display: block;
    margin: 0 auto;
}