@import url('https://fonts.googleapis.com/css2?family=Google+Sans+Code:ital,wght@0,300..800;1,300..800&family=Google+Sans:ital,opsz,wght@0,17..18,400..700;1,17..18,400..700&display=swap');

@view-transition {
  navigation: auto;
}

body {
  transition: background-color 1s ease;
  margin: 0;
  min-height: 100vh;
  text-align: center;
  font-family: "Google Sans", sans-serif;
  color: var(--core-white);
  overflow-x: hidden;
}

/* --- THEMES --- */
.theme-blue {
  background-color: var(--ictpc-bright-blue);
}

.theme-black {
  background-color: var(--core-black);
}

/* --- BACKGROUND IMAGE HEADER --- */
.bg-header {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: min(400px, 60vh);
  z-index: -1;
  opacity: 0.25;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(to bottom, black 60%, transparent 100%);
  mask-image: linear-gradient(to bottom, black 60%, transparent 100%);
}

.bg-header img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* --- TOP LOGOS --- */
#top-logos {
  width: clamp(100px, 15vw, 180px);
  height: auto;
  margin: 0 20px;

  flex-shrink: 0;
}

/* --- MARQUEE --- */
.marquee-container,
.container,
nav {
  position: relative;
  z-index: 1;
  font-family: "Google Sans Code";
}

.marquee-container {
  margin-top: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  overflow: hidden;
  font-size: clamp(16px, 2.5vw, 27px);
}

.marquee-wrapper {
  flex: 1;
  overflow: hidden;
  white-space: nowrap;
  color: var(--core-white);
}

.track-left,
.track-right {
  display: inline-flex;
}

.track-left p,
.track-right p {
  padding-right: 20px;
  margin: 0;
}

.track-left {
  animation: scroll-left 30s linear infinite;
}

.track-right {
  animation: scroll-right 30s linear infinite;
}

@keyframes scroll-left {
  0% {
    transform: translateX(0);
  }

  100% {
    transform: translateX(-50%);
  }
}

@keyframes scroll-right {
  0% {
    transform: translateX(-50%);
  }

  100% {
    transform: translateX(0);
  }
}

.marquee-container p {
  font-size: inherit !important;
  margin: 0 !important;
  padding-right: 20px;
  line-height: normal;
}

/* --- BACK BUTTON  --- */
.back-btn {
  display: inline-flex;
  width: fit-content;

  /* DYNAMIC MARGIN: */
  margin-top: 60px;
  margin-left: max(20px, 10vw);

  padding: 6px 12px;

  border: none;
  text-decoration: none;
  font-weight: bold;
  color: var(--core-black);
  background-color: var(--core-white);

  transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.back-btn:hover {
  transform: translateY(-4px);
}

.back-btn:active {
  transform: translateY(-2px) scale(0.98);
}