/* 
Mariposas - Diseño responsive
Sara Díaz Úbeda
*/

:root{
    --lavanda: #e9ddff;
    --morado:  #6a4ea3;
    --moradoOsc:  #3d2c60;
    --gris: #333333;
    --gris-claro: #666666;
    --blanco-trans: rgba(255,255,255,0.95);
    --lightYellow: #fff8e1;
    --lightPurple:  #c7b4ec;
    --lightPink:  #dcb4ec;
    --fondoLila: #f8edfd;

    --max-w: 1100px;
    --radius: 14px;
    --gap: 18px;
    --shadow: 0 6px 18px rgba(106,78,163,0.12);
    --trans-fast: 180ms ease;
}

*{
    margin:0;
    padding:0;
    box-sizing: border-box;
}

html,body { height:100%; }
body{
     margin:0;
    font-family: "Helvetica Neue", Arial, Helvetica, sans-serif;
    color:var(--gris);

    background: linear-gradient(
        180deg,
        var(--morado) 0%,
        var(--lightYellow) 50%,
        var(--lavanda) 100%
    );

    background-attachment: fixed; 
    line-height:1.45;
    padding:24px;
}

#contenedor{
    max-width:var(--max-w);
    margin:0 auto;
    background: linear-gradient(180deg, var(--blanco-trans), rgba(255,255,255,0.88));
    border-radius: calc(var(--radius) + 4px);
    padding:28px;
    box-shadow: var(--shadow);
    border: 1px solid rgba(106,78,163,0.06);
    overflow:hidden;
    position: relative;
    z-index: 10; 
}


#intro{
    display:flex;
    gap:var(--gap);
    align-items:flex-start;
    margin-bottom:22px;
    flex-wrap:wrap;
}


#titulo {
    position: relative; 
    background: linear-gradient(180deg, var(--lightPink), var(--lightPurple));
    padding: 18px;
    border-radius: var(--radius);
    box-shadow: 0 8px 20px rgba(106,78,163,0.06);
    border: 1px solid rgba(106,78,163,0.08);
    text-align: center;
    justify-content: center;
    min-width: 100%;
}

/* Mariposas */
#extraDiv1 {
    display:block !important;
    position: absolute;   
    top: 0;
    left: 0;
    width: 700px;
    height: 700px;

    background-image: url('mariposa3.png');
    background-size: contain;
    background-repeat: no-repeat;
    opacity: 0.2;
    z-index: 1;  
    pointer-events: none;
}

#extraDiv2 {
    display:block !important;
    position: absolute;  
    top: 50%;
    right: 0;
    width: 700px;
    height: 700px;

    background-image: url('mariposa3.png');
    background-size: contain;
    background-repeat: no-repeat;
    opacity: 0.2;
    z-index: 1; 
    pointer-events: none;
}

#extraDiv3 {
    display:block !important;
    position: absolute;   
    top: 100%;
    left: 0;
    width: 700px;
    height: 700px;

    background-image: url('mariposa3.png');
    background-size: contain;
    background-repeat: no-repeat;
    opacity: 0.2;
    z-index: 1;  
    pointer-events: none;
}

#extraDiv4 {
    display:block !important;
    position: absolute;   
    top: 150%;
    right: 0;
    width: 700px;
    height: 700px;

    background-image: url('mariposa3.png');
    background-size: contain;
    background-repeat: no-repeat;
    opacity: 0.2;
    z-index: 1; 
    pointer-events: none;
}

#extraDiv5 {
    display:block !important;
    position: absolute;  
    top: 230%;
    left: 0;
    width: 700px;
    height: 700px;

    background-image: url('mariposa3.png');
    background-size: contain;
    background-repeat: no-repeat;
    opacity: 0.2;
    z-index: 1;  
    pointer-events: none;
}

#extraDiv6 {
    display:block !important;
    position: absolute;   
    top: 300%;
    right: 0;
    width: 700px;
    height: 700px;

    background-image: url('mariposa3.png');
    background-size: contain;
    background-repeat: no-repeat;
    opacity: 0.2;
    z-index: 1;  
    pointer-events: none;
}

#titulo h1{
    margin:0 0 8px 0;
    font-size:2rem;
    letter-spacing:0.6px;
    color:var(--morado);
}
#titulo h2{
    margin:0;
    font-size:1rem;
    color:var(--gris-claro);
    font-weight:500;
}


#resumen{
    flex:1 1 520px;
    min-width:260px;
    background: var(--fondoLila);
    padding:18px;
    border-radius: var(--radius);
    border:1px solid rgba(106,78,163,0.04);
}
#resumen p{ 
    margin:0 0 12px 0; 
}
#resumen .p1{ 
    font-weight:600; 
    color:var(--morado); 
}
#resumen .p2, #resumen .p3, #resumen .p4{ 
    color:var(--gris-claro); 
}
#resumen .ul1 {
    display: block;
    list-style:circle;
    padding-left:0;
    margin:8px 0 0 0;
    margin-bottom: 1.2em;
}

#resumen .ul1 li{ 
    background-color: var(--lightYellow); 
    margin-bottom: 1em;
}

#resumen .ul1 li:hover{ 
    background-color: var(--lightPink);
    transform: translateY(-4px);
}

#comentario{
    margin-top:14px;
    padding:14px;
    background: var(--fondoLila);
    border-radius: 10px;
    border:1px dashed rgba(106,78,163,0.08);
}
#comentario p{ 
    margin:8px 0; 
    color:var(--gris-claro); 
}

#enlacesintra{ 
    margin:16px 0;
    margin-bottom: 2em;
}
#enlacesintra h3.intra{ 
    margin:0 0 8px 0; 
    color:var(--morado); 
}
.ul1{ 
    list-style: none; 
    padding-left:0; 
    margin:6px 0 0 0; 
    display:flex; 
    flex-wrap:wrap; 
    gap:10px; 
}
.ul1 li{ 
    background: rgba(106,78,163,0.06); 
    padding:8px 12px; 
    border-radius:8px; 
    font-size:0.95rem; 
}
.ul1 li:hover {
    background-color: var(--lightPurple);
}
#apartados{
    display:grid;
    grid-template-columns: 1fr 1fr;
    gap:18px;
    margin-top:12px;
}


#apartados > div{
    padding:16px;
    border-radius:12px;
    box-shadow: 0 8px 18px rgba(26,26,26,0.03);
    border:1px solid rgba(0,0,0,0.02);
}
#apartados h3{ 
    margin-top:0; 
    color:var(--morado); 
}
#apartados p.p1, #apartados p.p2, #apartados p.p3{ 
    color:var(--gris-claro); 
}

#apartados > div:hover{
    transform: translateY(-6px); 
    transition: transform 220ms ease; 
    box-shadow: 0 14px 40px rgba(106,78,163,0.08); 
}


img{ 
    max-width:100%; 
    height:auto; 
    display:block; 
}

#objetivos {
    display: block;       
    width: 100%;
    margin-bottom: 24px;   
}

#objetivos:hover {
    box-shadow: 0 8px 18px rgba(26,26,26,0.3);
}

#contenidos {
    display: grid;
    grid-template-columns: 1fr; 
    gap: 18px;
    margin-bottom: 24px;
    background: var(--fondoLila);
}

#contenidos .ul1 {
    display: grid;
    grid-template-columns: 1fr;  
    gap: 16px;
    list-style: none;
    padding-left: 0;
}

#contenidos .ul1 > li {
    background: white;
    padding: 16px;
    border-radius: 12px;
    box-shadow: 0 8px 18px rgba(26,26,26,0.03);
    border:1px solid rgba(0,0,0,0.02);
    margin-bottom: 1em;
}

#contenidos .ul1 > li >ul >li {
    margin-bottom: 1em;
    background-color: var(--lightYellow); 
}

#contenidos .ul1 > li >ul >li:hover{
    margin-bottom: 1em;
    background-color: var(--lightPink); 
}

#profesores, #bibliografia {
    display: block; 
    width: 100%;
    margin-bottom: 16px;
}

ul.ul2{ 
    margin:10px 0 0 18px; 
    color:var(--gris-claro);
 }
ul.ul2 li{ 
    margin:6px 0; 
}

#profesores dl{ 
    margin:0; 
}
#profesores dt{ 
    font-weight:700; 
    color:var(--morado); 
    margin-top:6px; 
}

#profesores dt a:hover{ 
    color:var(--lightPurple); 
}

#profesores dd{ 
    margin:0 0 8px 12px;
     color:var(--gris-claro); 
}

#bibliografia dt{
    color:var(--moradoOsc);
    font-weight: bold;
}

#enlaces{
    display:flex;
    gap:12px;
    flex-wrap:wrap;
    margin-top:18px;
}
#enlaces > div{
    flex:1 1 220px;
    min-width:180px;
    background: linear-gradient(180deg, rgba(249,246,255,0.9), rgba(255,255,255,0.95));
    padding:12px;
    border-radius:10px;
    border:1px solid rgba(106,78,163,0.03);
}
#enlaces h3{ 
    margin:0 0 8px 0; 
    color:var(--morado); 
    font-size:1rem; 
}
#enlaces ul{ 
    padding-left:16px; 
    margin:0; color:var(--gris-claro);
 }
#enlaces a{ 
    text-decoration:none; 
    color:var(--morado); 
    border-bottom:1px solid rgba(106,78,163,0.06); 
    padding-bottom:2px; 
}

#enlaces a:hover{ 
    background-color: var(--lightPink);
    font-weight: bold;
}

#enlacesversiones{ 
    margin-top:14px; 
}
#enlacesversiones ul{ 
    display:flex; gap:8px; 
    padding-left:0; 
    list-style:none; 
}

#extraDiv1, #extraDiv2, #extraDiv3, #extraDiv4, #extraDiv5, #extraDiv6{
    display:none;
}

a { 
    color: var(--morado); 
}
a.c { 
    color: var(--gris-claro); 
    text-decoration:underline; 
}
p span { 
    display: inline; 
}

a:focus, button:focus { 
    outline: 3px solid rgba(106,78,163,0.18); 
    outline-offset:2px; 
}


@media (max-width: 800px){
    #apartados{ grid-template-columns: 1fr; }
    #intro{ flex-direction:column; }
    #titulo, #resumen{ width:100%; }
    #enlaces{ flex-direction:column; }
    body { padding:14px; }
    #contenedor { padding:18px; }
    #apartados{
        display: flex;
        flex-direction: column;
    }
}

@media (min-width: 801px) and (max-width: 1199px){
    #intro{ flex-direction:column; }
    #titulo h1{ font-size:1.6rem; }
    #apartados{
        display: flex;
        flex-direction: column;
    }
}


@media (min-width: 1200px){
    #intro{ flex-direction:column; }
    #titulo h1{ font-size:1.9rem; }
    #apartados{
        display: flex;
        flex-direction: column;
    }
}