html, body{
  width: 100vw;
  margin: 0;
  padding: 0;
  background-color: #E8E8E8;
  font-family: helvetica, sans-serif;
  font-size: 12pt;
  overflow-x: hidden;
  overflow-y: auto; /* <- default: sí hay scroll */
  display: block;
}

/* Home (index) se queda fijo */
body.home{
  overflow-y: hidden;
}

/* Subpáginas: sí scrollean */
body.subpage{
  overflow-y: auto;
}

* {
  box-sizing: border-box;
}

background-image {
  background-color: #e8e8e89a;
}

img {
  -webkit-user-select: none;
     -moz-user-select: none;
      -ms-user-select: none;
          user-select: none;
}

a {
  color: #000000;
  text-decoration: none;
}

.section {
  position: relative;
  width: 100vw;
}

.section--top {
  position: relative;
      width: 100%;
      height: 100vh;
    background: url('../images/underconst-02.png') center/cover no-repeat;
     background-color: rgb(229, 231, 226); /* temporal, para verificar */
     background-size: 90% auto;
}
#threeCanvas {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1;
  display: block;
  width: 100%;
  height: 100%;
}

#drawingCanvas {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 0;
  display: block;
  width: 100%;
  height: 100%;
   cursor: pointer; /* Siempre manita */
}

.section--about {
  padding: 20px;
  padding-top: 60px;
}

@media(min-width: 500px) {
  .section--about {
    padding: 60px;
  }
}

.about__text {
  margin-top: 0;
  margin-bottom: 60px;
  text-align: justify;
}

.border {
  border-bottom: 1px solid #000000;
}

#drawingCanvas {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 2;
}

.gallery__item {
  padding: 20px;
  padding-top: 0;
  max-width: 1024px;
  margin-left: auto;
  margin-right: auto;
}

#pluku-logo {
  position: absolute;
  width: 120px; /* ajusta a tu gusto */
  opacity: 0;
  pointer-events: none;
  transition: opacity 2s ease, transform 10s linear;
    pointer-events: auto; /* permitir click */
  cursor: pointer;
  z-index: 100; /* sobre los canvas */
}

#pluku-logo:hover {
  transform: scale(1.1);
}

/* LANDING OVERLAY (tipo Pluku, sobrio) */
.section--top { position: relative; }
#threeCanvas, #drawingCanvas {
  position: absolute;
  inset: 0;
}

.landing{
  position: relative;
  z-index: 3;
  height: 100vh;
  width: 100%;
  display: grid;
  grid-template-rows: auto auto 1fr auto;
  gap: 18px;
  padding: 42px 48px;
  color: #000;
}

/* bloque central acotado (sobrio y espaciado) */
.landing__header,
.landing__block,
.landing__nav,
.landing__footer{
  max-width: 880px;
}

.landing__title{
  font-size: 12pt;
  font-weight: 400;
  letter-spacing: 0.08em;
}

.landing__tag{
  margin-top: 6px;
  font-size: 10pt;
  opacity: 0.7;
}

.landing__statement{
  font-size: 11pt;
  line-height: 1.55;
  max-width: 680px;
}

.landing__downloads{
  margin-top: 14px;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.dl{
  display: inline-block;
  border-bottom: 1px solid rgba(0,0,0,0.35);
  padding-bottom: 2px;
}

.landing__nav{
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 28px;
  align-content: start;
  margin-top: 10px;
}

.navcol__title{
  font-size: 10pt;
  font-weight: 400;
  letter-spacing: 0.06em;
  margin-bottom: 10px;
}

.navlist{
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 8px;
}

.navlist--nested{
  margin-top: 8px;
  padding-left: 14px;
  gap: 6px;
  opacity: 0.9;
}

.navnote{
  margin-top: 12px;
  font-size: 10pt;
  opacity: 0.65;
}

.landing__footer{
  display: flex;
  gap: 10px;
  align-items: center;
  font-size: 10pt;
  opacity: 0.75;
}

.landing__dot{ opacity: 0.6; }

/* responsive mínimo (sin “resolver todo” todavía) */
@media (max-width: 860px){
  .landing{ padding: 28px 22px; }
  .landing__nav{ grid-template-columns: 1fr; gap: 18px; }
}

@media (max-width: 768px) {
  #pluku-logo {
    width: 80px;
  }
}

@media (max-width: 480px) {
  #pluku-logo {
    width: 60px;
  }
}


@media(min-width: 500px) {
  .gallery__item {
    padding: 60px;
    padding-top: 0;
  }
}

.gallery__img {
  width: 100%;
}



/* SUBPAGES */
.subpage{
  background: #e8e8e8;
  color: #000;
}

.page{
  max-width: 920px;
  padding: 42px 48px;
}

.page__top{
  display: grid;
  gap: 10px;
  margin-bottom: 22px;
}

.back{
  display: inline-block;
  width: fit-content;
  border-bottom: 1px solid rgba(0,0,0,0.35);
  padding-bottom: 2px;
  opacity: .8;
}

.page__title{
  font-size: 12pt;
  font-weight: 400;
  letter-spacing: .08em;
}

.page__text{
  max-width: 680px;
  font-size: 11pt;
  line-height: 1.6;
  margin-bottom: 26px;
}

.page__media{
  display: grid;
  gap: 18px;
}

.media{
  margin: 0;
}

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

.page__footer{
  display: flex;
  gap: 10px;
  align-items: center;
  margin-top: 30px;
  font-size: 10pt;
  opacity: .75;
}

.page__footer .dot{ opacity: .6; }

@media (max-width: 860px){
  .page{ padding: 28px 22px; }
}