::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background-color: var(--color--black-30);
  border-radius: 999px;
  border: 3px solid transparent;
  background-clip: padding-box;

  &:hover {
    background-color: var(--color--black-20);
  }
}

body {
  --total-sentences: 6;
  --anim--start-delay: 0.3s;
  --anim--blurb-p1-delay: calc(2s + var(--anim--start-delay));
  --anim--blurb-p2-delay: calc(1.3s + var(--anim--blurb-p1-delay));
  --anim--blurb-p3-delay: calc(0.5s + var(--anim--blurb-p2-delay));
  --anim--blurb-p4-delay: calc(0.5s + var(--anim--blurb-p3-delay));
  --anim--chrome-button-delay: calc(0.6s + var(--anim--blurb-p4-delay));
  --anim--logo-delay: calc(0.8s + var(--anim--blurb-p3-delay));
  --anim--sentences-start-delay: calc(0.3s + var(--anim--logo-delay));
  --anim--sentences-sequence-delay: 0.2s; 
  --anim--shameless-plug-delay: calc(1.2s + var(--anim--sentences-start-delay) + (var(--total-sentences) * var(--anim--sentences-sequence-delay)));

  height: 100vh;
  width: 100vw;
  font-family: var(--font-family--sans-serif);
  overflow-x: hidden;
  background: var(--color--bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;

  &::before {
    content: '';
    position: fixed;
    top: -1rem;
    left: 0;
    height: 1rem;
    width: 100%;
    background: var(--color--black-30);
    box-shadow: var(--box-shadow--top);
  }
}

main {
  display: flex;
  flex-direction: column;
  font-family: var(--font-family--display-clean);
  gap: 0.5rem;
  width: min(90%, 1200px);
  container-type: inline-size;
}

a {
  color: inherit;
  font-weight: 600;
  text-underline-offset: 0.25rem;
  text-decoration-thickness: 1px;
  text-decoration-color: var(--color--black-50);
}

.yellopages {
  color: var(--color--bg);
  font-weight: 900;
}

.tabmonster {
  color: var(--color--monster);
  font-weight: 900;
}

.blurb {
  font-weight: 400;
  font-size: clamp(1rem, 2cqw, 1.5rem);
  letter-spacing: -0.01rem;
}

.blurb-one { 
  opacity: 0;
  animation: fadeIn 0.25s var(--easing--bezier) forwards;
  animation-delay: var(--anim--start-delay);
}

.blurb-two {
  > * {
    display: inline-block;
    opacity: 0;
    animation: fadeIn 0.6s linear forwards;
  }
  .p1 { animation-delay: var(--anim--blurb-p1-delay); }
  .p2 { animation-delay: var(--anim--blurb-p2-delay); }
  .p3 { animation-delay: var(--anim--blurb-p3-delay); }
  .p4 { animation-delay: var(--anim--blurb-p4-delay); }
}

.central { 
  opacity: 0;
  align-self: flex-end;
  animation: sideReveal 1.6s ease-out forwards;
  margin: 1rem 0;
  background: var(--color--bg);
  animation-delay: var(--anim--logo-delay);

  span {
    position: relative;
    font-family: var(--font-family--display);
    font-size: clamp(4.8rem, 8cqw, 7.5rem);
    padding: 0.5rem clamp(1rem, 2cqw, 2rem);
    line-height: 1;
    color: var(--color--black);
    background-color: var(--color--bg);

    &::after {
      content: '';
      position: absolute;
      top: 50%;
      transform: translateY(-50%);
      left: -100vw;
      width: 200vw;
      height: clamp(2px, 0.35cqw, 4px);
      background: linear-gradient(90deg, var(--color--black) 0%, var(--color--black) 90%, var(--color--bg) 100%);
      z-index: -1;
      opacity: 0;
      animation: lineIn 2.8s ease-out forwards;
      animation-delay: var(--anim--logo-delay);
    }
  }
}

.sentence {
  opacity: 0;
  width: fit-content;
  align-self: flex-end;
  font-size: clamp(1.2rem, 3cqw, 2rem);
  font-weight: 600;
  animation: sideReveal 0.6s var(--easing--bezier) forwards;
  pointer-events: none;

  &.s1 { animation-delay: calc(var(--anim--sentences-start-delay) + (1 * var(--anim--sentences-sequence-delay))); }
  &.s2 { animation-delay: calc(var(--anim--sentences-start-delay) + (2 * var(--anim--sentences-sequence-delay))); }
  &.s3 { animation-delay: calc(var(--anim--sentences-start-delay) + (3 * var(--anim--sentences-sequence-delay))); }
  &.s4 { animation-delay: calc(var(--anim--sentences-start-delay) + (4 * var(--anim--sentences-sequence-delay))); }
  &.s5 { animation-delay: calc(var(--anim--sentences-start-delay) + (5 * var(--anim--sentences-sequence-delay))); }
  &.s6 { animation-delay: calc(var(--anim--sentences-start-delay) + (6 * var(--anim--sentences-sequence-delay))); }
}

.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;

  &.active {
    opacity: 1;
    pointer-events: auto;

    .modal-content {
      animation: modalPopIn 0.2s var(--easing--bezier) forwards;
    }
  }

  .modal-content {
    background: var(--color--black-90);
    color: var(--color--white);
    width: 90%;
    height: 90%;
    border-radius: var(--border-radius--slight);
    padding: 3rem;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0rem;
    transform: scale(0.9) rotate(-10deg);
    opacity: 0;
    border-radius: var(--border-radius--slight);
    font-family: var(--font-family--display-clean);

    > * {
      transition: var(--transition--norm-all);
    }

    .modal-close {
      position: absolute;
      top: 1rem;
      left: 1rem;
      font-size: 5rem;
      width: 5rem;
      height: 5rem;
      cursor: pointer;
      color: var(--color--white);
      display: flex;
      align-items: center;
      justify-content: center;

      &:hover {
        scale: 1.4;
      }
    }

    .modal-arrow {
      position: absolute;
      top: 50%;
      transform: translateY(-50%);
      font-size: 9rem;
      cursor: pointer;
      color: var(--color--white);
      width: 5rem;
      display: flex;
      align-items: center;
      justify-content: center;
      user-select: none;
      outline: none;

      &:hover {
        transform: translateY(-50%) scale(1.3);
      }

      &.modal-arrow-left {
        left: 1.5rem;
      }

      &.modal-arrow-right {
        right: 1.5rem;
      }
    }

    .modal-header {
      font-size: clamp(2rem, 3cqw, 2.4rem);
      font-weight: 900;
      letter-spacing: var(--letter-spacing--tighter);
      margin-bottom: 0.8rem;
      width: min(80%, 1000px);
      text-align: center;
      line-height: 1.2;
      text-wrap: balance;
    }

    .modal-caption {
      font-size: clamp(1rem, 1.5cqw, 1.2rem);
      line-height: 1.4;
      text-align: center;
      width: min(80%, 1000px);
      margin-bottom: 1.5rem;
      text-wrap: balance;
    }

    .modal-video {
      flex: 1;
      width: calc(100% - (2 * 5vw));
      min-height: 0; 
      display: flex;
      align-items: center;
      justify-content: center;
      overflow: hidden;
      position: relative;
      
      video {
        max-width: 100%;
        max-height: 100%;
        width: auto;
        height: auto;
        object-fit: contain;
        opacity: 0;
        transition: opacity 0.25s ease;
      }
      
      &.fade-in video {
        opacity: 1;
      }
    }

    &.transitioning {
      .modal-header,
      .modal-caption,
      .modal-video {
        opacity: 0;
        transform: translateX(20px);
      }
    }
  }
}

.chrome-button {
  position: fixed;
  pointer-events: none;
  opacity: 0;
  top: 1.5rem;
  right: 1.5rem;
  z-index: 10;
  background: var(--color--monster);
  color: var(--color--white);
  border: var(--border--norm);
  border-color: var(--color--black-20);
  border-radius: var(--border-radius--circular);
  width: 120px;
  height: 120px;
  font-size: 1.2rem;
  line-height: 1;
  font-family: var(--font-family--display-clean);
  font-weight: 700;
  text-decoration: none;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2rem;
  animation: 
    chromeBtnPopIn 0.5s var(--easing--bezier) var(--anim--chrome-button-delay) forwards,
    chromeBtnPulse 2s ease-in-out calc(0.5s + var(--anim--chrome-button-delay)) infinite;
  transition: var(--transition--norm-all);

  &:hover {
    scale: 1.1;
  }
}

@keyframes sideReveal {
  from {
    pointer-events: all;
    opacity: 0;
    transform: translateX(100px);
  }
  to {
    pointer-events: all;
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes lineIn {
  from {
    opacity: 1;
    transform: translateX(-180vw);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes modalPopIn {
  0% {
    opacity: 0;
    transform: scale(0.9) rotate(-10deg);
  }
  100% {
    opacity: 1;
    transform: scale(1) rotate(0);
  }
}

@keyframes chromeBtnPopIn {
  0% {
    pointer-events: all;
    opacity: 0;
    transform: scale(1.4) rotate(0deg);
  }
  50% {
    pointer-events: all;
    opacity: 1;
    transform: scale(0.9) rotate(20deg);
  }
  100% {
    pointer-events: all;
    opacity: 1;
    transform: scale(1) rotate(5deg);
  }
}

@keyframes chromeBtnPulse {
  0%, 100% {
    transform: scale(1) rotate(5deg);
  }
  50% {
    transform: scale(1.05) rotate(5deg);
  }
}

/************************************/
/* Shameless plug 
/************************************/

.shameless-plug {
  position: fixed;
  bottom: 0rem;
  left: 1rem;
  z-index: 10;
  align-items: center;
  display: flex;
  animation: shamelessPlugMovement 5s ease-in-out calc(1.5s + var(--anim--shameless-plug-delay)) infinite;

  img {
    opacity: 0;
    width: 60px;      
    height: 60px;     
    border-radius: 50%; 
    object-fit: cover;  
    border: solid 2px #000;
    animation: 
      wigglePlug 1s infinite linear,
      popPlugImage 0.4s ease-in-out var(--anim--shameless-plug-delay) forwards;
    z-index: 1;
  }

  a {
    opacity: 0;
    background: #000;
    border-radius: var(--border-radius--slight);
    color: #fff;
    padding: 0.4rem 1.2rem;
    font-size: 0.8rem;
    letter-spacing: -0.05rem;
    font-weight: 600;
    animation: 
      wigglePlug 3s infinite linear,
      popPlugText 0.3s ease-out calc(0.3s + var(--anim--shameless-plug-delay)) forwards;
    text-decoration: none;
    margin: 0 0 50px -10px;
  }
}

@keyframes wigglePlug {
  0% { rotate: 0; }
  50% { rotate: -5deg; }
  100% { rotate: 0; }
}

@keyframes popPlugText {
  0% {
    opacity: 0;
    transform: scale(0);
  }
  70% {
    opacity: 1;
    transform: scale(1.04);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes popPlugImage {
  0% {
    opacity: 0;
    transform: scale(0) rotate(20deg);
  }
  70% {
    opacity: 1;
    transform: scale(1.2) rotate(-5deg);
  }
  100% {
    opacity: 1;
    transform: scale(1) rotate(-5deg);
  }
}

@keyframes shamelessPlugMovement {
  0% {
    transform: translateX(0) translateY(0);
  }
  50% {
    transform: translateX(-5px) translateY(10px);
  }
  100% {
    transform: translateX(0) translateY(0);
  }
}

/************************************/
/* Mobile
/************************************/

.mobile-only {
  display: none;
}

.desktop-only {
  display: flex;
}

@media (max-width: 600px) {
  .desktop-only,
  .chrome-button,
  .shameless-plug  {
    display: none;
  }

  .mobile-only {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    gap: 2rem;
    width: min(90%, 400px);
  }

  .mobile-central {
    margin: 0;
    align-self: center;
    opacity: 1;
    animation: none;
    width: 100vw;
    position: relative;

    span {
      font-family: var(--font-family--display);
      font-size: 4rem;
      padding: 0.5rem 1rem;
      line-height: 1;
      background: var(--color--bg);

      &::after {
        content: '';
        position: absolute;
        top: 50%;
        left: 0%;
        width: 100%;
        height: 2px;
        background: var(--color--black);
        z-index: -1;
      }
    }
  }

  .sentence {
    align-self: center;
  }

  .mobile-message {
    font-size: 1.2rem;
    line-height: 1.6;
    color: var(--color--black);
    opacity: 1;
  }
}