main {
  display: block;
  margin: 0;
  padding-top: 0;
}

.ms-menu {
  background: linear-gradient(rgb(var(--primary-bg-color)) 0%, rgba(var(--primary-bg-color), 75%) 60%, transparent 100%);
}

.ms-menu.menu-expanded, .ms-menu.menu-expanded .ms-menu-link {
  background: rgb(var(--primary-bg-color));
}

@media (min-width: 768px) {
  .ms-menu, .ms-menu.menu-expanded {
    background: linear-gradient(rgb(var(--primary-bg-color)) 0%, rgba(var(--primary-bg-color), 75%) 60%, transparent 100%);
  }

  .ms-menu .ms-menu-link {
    background: transparent;
  }
}

#header-background {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 50px;
  z-index: 5;
  background: rgb(var(--primary-bg-color));
}

section.sec-experience {
  position: relative;
  z-index: 10;
  margin: 0;
  color: rgb(var(--action-bg-color));
  background-color: rgb(var(--primary-bg-color));
  width: 100%;
  height: calc(60svh + 50px);
}

section.sec-experience h1,
section.sec-experience h2,
section.sec-experience h3,
section.sec-experience h4,
section.sec-experience h5,
section.sec-experience h6
{
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  color: inherit;
  word-wrap: break-word;
  z-index: 10;
  text-align: center;
  --exp-text-shadow-blur: 2rem;
  /* multiple shadows to achieve higher intensity */
  text-shadow: 0 0 var(--exp-text-shadow-blur) rgb(var(--primary-bg-color)), 0 0 var(--exp-text-shadow-blur) rgb(var(--primary-bg-color)), 0 0 var(--exp-text-shadow-blur) rgb(var(--primary-bg-color)), 0 0 var(--exp-text-shadow-blur) rgb(var(--primary-bg-color)), 0 0 var(--exp-text-shadow-blur) rgb(var(--primary-bg-color)), 0 0 var(--exp-text-shadow-blur) rgb(var(--primary-bg-color)), 0 0 var(--exp-text-shadow-blur) rgb(var(--primary-bg-color));
}

#exp-background {
  margin: auto;
  width: 100%;
  height: 100%;
  max-width: 1400px;
  overflow: clip;
  background-image: url("/assets/img/opera_hall_with_pianist.svg");
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  /* ToDo: backwards compatibility */
  mask-image: linear-gradient(90deg, transparent 0, black 15%, black 85%, transparent 100%), radial-gradient(circle farthest-corner at 50% 100%, black 80%, transparent 90%);
  mask-composite: intersect;
}

@media (prefers-color-scheme: dark) {
  #exp-background {
    background-image: url("/assets/img/opera_hall_with_pianist_dark.svg");
  }
}

@media (min-width: 768px) {
  section.sec-experience div {
    mask-image: radial-gradient(circle farthest-side at -30% 50%, black 90%, transparent 100%), radial-gradient(circle farthest-side at 100% 50%, black 80%, transparent 100%), radial-gradient(circle farthest-corner at 50% 170%, black 80%, transparent 90%);;
  }
}


section.sec-promo {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  min-height: calc(40svh - 50px);
  max-width: 740px;
  margin: auto;
  padding: 2rem 1rem 1rem;
}

section.sec-promo * {
  margin-top: 0;
  margin-bottom: 0;
}

section.sec-promo *:nth-last-child(2) {
  flex-grow: 1;
}

section.sec-promo svg {
  display: block;
  margin: 1rem auto 0;
  height: 50px;
  width: 50px;
  color: rgb(var(--secondary-bg-color));
}

section.sec-promo .bottom-sticky {
  position: sticky;
  bottom: 0.5rem;
  filter: drop-shadow( 0 0 0.5rem rgb(var(--secondary-bg-color))) drop-shadow( 0 0 0.5rem rgba(var(--secondary-bg-color), 0.2));
}

section.sec-promo .bouncing {
  animation-name: bounce-top;
  animation-duration: 5s;
  animation-timing-function: linear;
  animation-delay: 2s;
  animation-iteration-count: infinite;
  animation-direction: normal;
  animation-fill-mode: none;
}

/* Bouncing animation for arrows down */
@keyframes bounce-top {

  0% {
    transform:translateY(0);
  }
  12.5% {
    transform:translateY(0);
  }
  20% {
    transform:translateY(-18px);
  }
  27.5% {
    transform:translateY(0);
  }
  32.5% {
    transform:translateY(-12px);
  }
  37.5% {
    transform:translateY(0);
  }
  41% {
    transform:translateY(-6px);
  }
  43.5% {
    transform:translateY(0);
  }
  46.5% {
    transform:translateY(-4px);
  }
  50% {
    transform:translateY(0);
  }
  100% {
    transform:translateY(0);
  }
}


section.sec-howto {
  /*color: rgb(var(--primary-bg-color));*/
  background-color: rgb(var(--secondary-bg-color));
}

section.sec-howto > div {
  max-width: 740px;
  margin: auto;
  padding: 1rem;
}

@media (min-width: 576px) {
  section.sec-howto .kk-steplist {
    row-gap: 2rem;
  }
}

section.sec-howto .btn-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 2rem 0 1rem;
}

section.sec-impressions {
  max-width: 1300px;
  margin: 0;
  padding: 1rem;
}

@media (min-width: 1200px) {
  section.sec-impressions {
    margin: 2rem auto 0;
  }
}

section.sec-impressions h1,
section.sec-impressions h2,
section.sec-impressions h3,
section.sec-impressions h4,
section.sec-impressions h5,
section.sec-impressions h6 {
  max-width: 740px;
  margin: 1rem auto;
}

section.sec-news {
  max-width: 1300px;
  margin: 1rem auto 0;
  padding: 1rem;
}

section.sec-news h1,
section.sec-news h2,
section.sec-news h3,
section.sec-news h4,
section.sec-news h5,
section.sec-news h6 {
  max-width: 740px;
  margin: 0 auto 1rem auto;
}

@media (min-width: 1200px) {
  section.sec-news .kk-card-list {
    grid-template-columns: repeat(2, 1fr);
  }
}