:root {
  --color-bg: #000;
  --color-text: #fff;
  --container-padding: clamp(16px, 3vw, 32px);
  --section-padding: clamp(2rem, 6vw, 6rem);
  --button-gradient: linear-gradient(90deg, #03a9f4, #f441a5);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  overflow-x: hidden;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: Arial, sans-serif;
}

body {
  min-height: 100vh;
}

a {
  text-decoration: none;
}

.parallax {
  position: relative;
  width: 100%;
  overflow: hidden;
  background: #000;
}

.parallax__header {
  position: relative;
  width: 100%;
  height: calc(var(--vh, 1vh) * 100);
  min-height: calc(var(--vh, 1vh) * 100);
}

.parallax__visuals {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #000;
}

.parallax__layers {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.parallax__layer-title {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 5;
  pointer-events: none;
}

.parallax__title {
  margin: 0;
  color: #fff;
  text-align: center;
  font-family: "PP Neue Corp Wide", sans-serif;
  font-size: clamp(2rem, 8vw, 7rem);
  font-weight: 800;
  line-height: 1;
}

.parallax__layer-img {
  position: absolute;
  left: 0;
  display: block;
  width: 100%;
  max-width: none;
  pointer-events: none;
  will-change: transform;
}

/* Cielo */
.parallax__sky {
  top: -10%;
  height: 100%;
  object-fit: cover;
  object-position: center 36%;
}

/* Montaña */
.parallax__mountain {
  bottom: 10%;
  height: auto;
  object-fit: contain;
  object-position: center bottom;
}

/* Suelo + pareja */
.parallax__foreground {
  bottom: -35%;
  height: auto;
  object-fit: contain;
  object-position: center bottom;
  z-index: 6;
}

.parallax__radial-gradient {
  position: absolute;
  inset: 0;
  z-index: 10;
  pointer-events: none;
  background-image: radial-gradient(
    circle farthest-corner at 50% 50%,
    transparent 42%,
    rgba(0, 0, 0, 0.68) 100%
  );
  opacity: 0.55;
}

.parallax__fade {
  --color-dark-rgb: 0, 0, 0;
  position: absolute;
  left: 0;
  bottom: 0;
  z-index: 20;
  width: 100%;
  height: clamp(120px, 19vh, 220px);
  pointer-events: none;
  background: linear-gradient(
    to top,
    rgba(var(--color-dark-rgb), 1) 0%,
    rgba(var(--color-dark-rgb), 0.78) 18%,
    rgba(var(--color-dark-rgb), 0.58) 34%,
    rgba(var(--color-dark-rgb), 0.38) 50%,
    rgba(var(--color-dark-rgb), 0.18) 70%,
    rgba(var(--color-dark-rgb), 0.06) 86%,
    transparent 100%
  );
}

.parallax__black-line-overflow {
  position: absolute;
  left: 0;
  bottom: -1px;
  z-index: 30;
  width: 100%;
  height: 2px;
  background: #000;
}

.parallax__content {
  position: relative;
  z-index: 40;
  min-height: 28vh;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 0 var(--container-padding) clamp(2rem, 6vw, 4rem);
  background: #000;
}

.container {
  position: relative;
  z-index: 50;
  margin-top: -1.2rem;
  padding: 3px;
  border-radius: 0.9em;
  background: var(--button-gradient);
  transition: all 0.4s ease;
  will-change: filter, transform;
}

.container::before {
  content: "";
  position: absolute;
  inset: 0;
  margin: auto;
  border-radius: 0.9em;
  z-index: -1;
  background: var(--button-gradient);
  transition: filter 0.4s ease;
}

.container:hover::before {
  filter: blur(1.1em);
}

.container:active::before {
  filter: blur(0.2em);
}

.button-link {
  display: inline-block;
}

button {
  display: inline-block;
  min-width: 110px;
  border: none;
  cursor: pointer;
  border-radius: 0.5em;
  background: #000;
  color: #fff;
  box-shadow: 2px 2px 3px rgba(0, 0, 0, 0.7);
  font-size: clamp(1rem, 1.6vw, 1.2rem);
  padding: 0.75em 1em;
}

@font-face {
  font-family: "PP Neue Corp Wide";
  src: url("https://cdn.prod.website-files.com/671752cd4027f01b1b8f1c7f/6717e399d30a606fed425914_PPNeueCorp-WideUltrabold.woff2")
    format("woff2");
  font-weight: 800;
  font-style: normal;
  font-display: swap;
}

/* TABLET */
@media (max-width: 1200px) {
  .parallax__header {
    height: calc(var(--vh, 1vh) * 72);
    min-height: calc(var(--vh, 1vh) * 72);
  }

  .parallax__sky {
    top: -2%;
    height: 106%;
    object-position: 58% 24%;
  }

  .parallax__mountain {
    width: 164%;
    left: -32%;
    bottom: 15%;
  }

  .parallax__foreground {
    width: 170%;
    left: -35%;
    bottom: -10%;
    z-index: 6;
  }

  .parallax__fade {
    height: 20svh;
  }

  .parallax__content {
    min-height: 24svh;
    padding-bottom: 2.25rem;
  }

  .container {
    margin-top: -0.75rem;
  }

  button {
    min-width: 102px;
    font-size: 0.98rem;
  }
}

@media (max-width: 480px) {
  .parallax__header {
    height: calc(var(--vh, 1vh) * 66);
    min-height: calc(var(--vh, 1vh) * 66);
  }

  .parallax__sky {
    top: -1%;
    height: 103%;
    object-position: 60% 22%;
  }

  .parallax__mountain {
    width: 198%;
    left: -49%;
    bottom: 14%;
  }

  .parallax__foreground {
    width: 206%;
    left: -53%;
    bottom: -9%;
    z-index: 6;
  }

  .parallax__fade {
    height: 18svh;
  }

  .parallax__content {
    min-height: 60svh;
    padding-bottom: 2rem;
  }

  .container {
    margin-top: -0.35rem;
    margin-top: 40%;
  }

  button {
    min-width: 98px;
    font-size: 0.95rem;
    padding: 0.75em 0.95em;
  }
}