html, body {
  margin: 0; padding: 0;
  width: 100%; height: 100%;
}
body {
  background: #0A0A0A;
  font-family: 'Crimson Text', serif;
  font-weight: 200;
  position: relative;

  user-select: none;
  z-index: 0;
  overflow: hidden;
}


h1{
  font-family: "Crimson Text";
  font-weight: 100;
}

.frame{
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: 1rem;
  margin-left: 1rem;
  width:calc(100vw - 2rem);
  height: calc(100vh - 2rem);
  position:relative;
  border: 1px solid rgba(255, 255, 255, 0.1);
  overflow:hidden;
}
canvas {
  align-self: stretch;
  width: auto;
  height: 100%;
  margin-right:8rem;
  z-index: 1;
  background: transparent;
  max-height: 100%;
}

.site-nav {
  position: absolute;
  top: 1rem;
  left: 1rem;
  padding: clamp(0.5rem,1vw,1.5rem);
  color: #fff;
  z-index: 10;
  border-left: 1px solid rgba(255, 255, 255, 0.8);
}

.site-nav .site-title {
  font-size: clamp(1.5rem,2.083vw,2.5rem);
  font-size: 3rem;
  margin: 0 0 1rem 0;
  padding-left: 1rem;
  margin-bottom: 3rem;
  position: relative;
}

.site-nav::before {
  content: '';
  position: absolute;
  top: 0; bottom: 0;
  left: 0;
  width: 1px;
}

.site-nav ul {
  list-style: none;
  margin: 0; padding: 0;
}
.site-nav ul li {
  margin-bottom: clamp(0.75rem,2.147vh,1.5rem);
}
.site-nav ul li:last-child { margin-bottom: 0; }
.site-nav ul li a {
  color: inherit;
  text-decoration: none;
  font-size: clamp(1rem,1.302vw,1.5rem);
  display: inline-block;
  padding-left: 1rem;
  transition: opacity 0.2s ease;
}
.site-nav ul li a:hover {
  opacity: 0.6;
}

.submenu {
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
  position: absolute;
  left: 8rem;
  padding-left: 1rem;
  width: 12rem;
  color: #fff;
}

/* project & contact submenus (list style) */
.submenu ul {
  list-style: none;
  margin: 0; padding: 0;
}
.submenu li + li {
  margin-top: 1.5rem;
}
.submenu li:last-child {
  margin-bottom: 0;
}
.submenu a {
  color: #fff;
  text-decoration: none;
  font-size: clamp(1rem,1.302vw,1.5rem);
  opacity: 1;
  transition: opacity 0.2s ease;
}
.submenu a:hover {
  opacity: 0.6;
}

/* About submenu (text block) */
#about-menu p {
  font-size: clamp(1rem,1.302vw,1.5rem);
  line-height: 1.6;
  margin: 0;
  color: #fff;
  opacity: 1;
  transition: opacity 0.2s ease;
}
#about-menu p:hover {
  opacity: 0.6;
}

/* Show correct submenu */
.site-nav.submenu-open-projects #projects-menu,
.site-nav.submenu-open-contact #contact-menu {
  opacity: 1;
  pointer-events: auto;
}

/* Dim all links when submenu is active */
.site-nav.submenu-open-projects ul li a,
.site-nav.submenu-open-about ul li a,
.site-nav.submenu-open-contact ul li a {
  opacity: 0.6;
}
.site-nav.submenu-open-about #about-menu{
  opacity:0.6;
}
/* Highlight the active one */
.site-nav.submenu-open-projects #projects-link,
.site-nav.submenu-open-about #about-link,
.site-nav.submenu-open-contact #contact-link {
  opacity: 1;
}


@media (max-width: 600px) {
  canvas {
    margin-right:0;
    margin-top:3rem;
  }
  .submenu{
    left:6rem;
  }
}