* {
  font-family: "Open Sans", verdana, sans-serif;
  padding: 0;
  margin: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  width: 100vw;
  min-height: 100vh;
  overflow-x: hidden;
}
:root {
  font-size: calc(8px + 0.3vh + 0.3vw);
  --login-fnt-sz: 1.3rem;
  --clr-ylw-1: #f1d302;
  --clr-ylw-2: rgba(240, 211, 2, 0.12);
  --clr-blu-1: #235789;
  --clr-overlay-1: rgba(35, 87, 137, 0.5);
  --clr-overlay-2: rgba(35, 87, 137, 0.8);

  /*TRANSITIONS*/
  --main-transition: 0.3s;
  --long-transition: 1s;
}

body::-webkit-scrollbar {
  width: 0.5rem;
  height: 0.5rem;
  z-index: 1;
}
body::-webkit-scrollbar-track {
  background: #235789;
}
body::-webkit-scrollbar-thumb {
  background-image: linear-gradient(transparent, var(--clr-ylw-1), transparent);
}
body::-webkit-scrollbar-thumb:horizontal{
  background-image: linear-gradient(90deg, transparent, var(--clr-ylw-1), transparent);
}

.background {
  position: fixed;
  width: 100vw;
  height: 100vh;
  top: 0;
  left: 0;
  z-index: -1;
}
.background video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.main-txt-clr {
  color: var(--clr-ylw-1);
}
.main-bg-clr {
  background-color: var(--clr-overlay-1);
}
.overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

section {
  position: relative;
  width: 100%;
  min-height: 50vh;
  overflow-x: hidden;
  box-sizing: border-box;
}

.down-arrow {
  position: relative;
  top: 100px;
  width: 100%;
  height: 200px;
  display: flex;
  justify-content: space-evenly;
  align-items: center;
}

.down-arrow i {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 30px;
  height: 30px;
  font-size: 30px;
  color: var(--clr-ylw-1);
  cursor: pointer;
  animation: bob 4s ease-in-out infinite;
}

.up-arrow {
  position: fixed;
  bottom: 0;
  right: 0.4rem;
  background: rgba(0,0,0,0.4);
  width: 40px;
  height: 40px;
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  pointer-events: none;
  transition: 0.4s;
}

.up-arrow a i {
  font-size: 30px;
  color: white;
  text-decoration: none;
}

/* KEYFRAMES */
@keyframes bob {
  0%,
  100% {
    top: 50%;
  }
  50% {
    top: 60%;
  }
}
@keyframes fade-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}
@keyframes fade-in-up {
  from {
    transform: translateY(50%);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}
@keyframes fade-in-left {
  from {
    transform: translateX(-50%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}
@keyframes fade-in-right {
  from {
    transform: translateX(25%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

/* KEYFRAME CLASSES */
.fade-in {
  animation: fade-in 1s forwards;
}
.fade-in-left {
  animation: fade-in-left 1.5s forwards;
}
.fade-in-right {
  animation: fade-in-right 1.5s forwards;
}
.fade-in-up {
  animation: fade-in-up 1s forwards;
}