/* Home intro: the first screen before the homepage (enter / login / join). */
.site-intro {
  --intro-gutter: var(--layout-gutter-desktop);
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  display: flex;
  overflow-y: auto;
  overscroll-behavior: contain;
  background: var(--semantic-background-normal-normal);
  color: var(--semantic-label-normal);
  transition: opacity var(--duration-slow) var(--easing-exit),transform var(--duration-slow) var(--easing-exit),visibility 0s linear var(--duration-slow);
}

html:not(.intro-seen) {
  overflow: hidden;
}

html.intro-seen .site-intro {
  display: none;
}

html.intro-leaving .site-intro {
  opacity: 0;
  transform: translateY(calc(var(--space-24) * -1));
  visibility: hidden;
  pointer-events: none;
}

.site-intro-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.site-intro::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(100deg,var(--semantic-static-white) 0%,color-mix(in srgb,var(--semantic-static-white) 94%,transparent) 42%,color-mix(in srgb,var(--semantic-static-white) 62%,transparent) 100%),
    linear-gradient(0deg,color-mix(in srgb,var(--semantic-primary-normal) 14%,transparent),transparent 55%);
}

.site-intro-inner {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: var(--space-48);
  width: min(var(--container),calc(100% - var(--intro-gutter) * 2));
  min-height: 100%;
  margin: auto;
  padding-block: var(--space-40) var(--space-64);
}

.site-intro-brand {
  align-self: flex-start;
}

.site-intro-brand img {
  display: block;
  width: auto;
  height: var(--space-80);
}

.site-intro-layout {
  display: grid;
  grid-template-columns: minmax(0,1.15fr) minmax(360px,460px);
  align-items: center;
  gap: var(--space-80);
  margin-block: auto;
}

.site-intro h2 {
  line-height: 0;
}

.site-intro h2 img {
  display: block;
  width: min(100%,680px);
  height: auto;
}

.site-intro-summary {
  margin-top: var(--space-32);
  color: var(--semantic-label-neutral);
  font-size: var(--type-body-1-size);
  line-height: var(--type-body-1-line);
  word-break: keep-all;
}

.site-intro-stats {
  display: grid;
  grid-template-columns: repeat(auto-fill,minmax(240px,1fr));
  gap: var(--space-16);
  margin-top: var(--space-40);
  list-style: none;
}

.site-intro-stats li {
  display: grid;
  align-content: start;
  gap: var(--space-4);
  padding: var(--space-20) var(--space-24);
  border: var(--border-thin) solid var(--semantic-line-normal-alternative);
  border-radius: var(--radius-16);
  background: var(--semantic-static-white);
  box-shadow: var(--semantic-elevation-shadow-normal-large);
  opacity: 0;
  transform: translateY(var(--space-20));
  animation: site-intro-stat-in var(--duration-slow) var(--easing-enter) forwards;
  animation-delay: calc(var(--duration-slow) * 2);
}

.site-intro-stats li:nth-child(2) { animation-delay: calc(var(--duration-slow) * 3.5); }
.site-intro-stats li:nth-child(3) { animation-delay: calc(var(--duration-slow) * 5); }
.site-intro-stats li:nth-child(4) { animation-delay: calc(var(--duration-slow) * 6.5); }
.site-intro-stats li:nth-child(5) { animation-delay: calc(var(--duration-slow) * 8); }
.site-intro-stats li:nth-child(6) { animation-delay: calc(var(--duration-slow) * 9.5); }

.site-intro-stats strong {
  color: var(--brand-primary-heavy);
  font-size: var(--type-title-2-size);
  line-height: var(--type-title-2-line);
  letter-spacing: -0.02em;
  font-weight: var(--font-weight-bold);
  white-space: nowrap;
}

.site-intro-stats span {
  color: var(--semantic-label-normal);
  font-size: var(--type-label-2-size);
  line-height: var(--type-label-2-line);
  font-weight: var(--font-weight-semibold);
  word-break: keep-all;
}

@keyframes site-intro-stat-in {
  to {
    opacity: 1;
    transform: none;
  }
}

.site-intro-stat-note {
  font-style: normal;
  font-weight: var(--font-weight-regular);
  color: var(--semantic-label-alternative);
  white-space: nowrap;
}

.site-intro-card-enter i {
  transition: transform var(--duration-normal) var(--easing-standard);
}

.site-intro-card-enter:hover i {
  transform: translateX(var(--space-4));
}

.site-intro-cards {
  display: grid;
  gap: var(--space-20);
}

.site-intro-card {
  padding: var(--space-32);
  border-radius: var(--radius-24);
  border: var(--border-thin) solid var(--semantic-line-normal-alternative);
  background: var(--semantic-static-white);
  color: var(--semantic-label-normal);
  box-shadow: var(--semantic-elevation-shadow-normal-xlarge);
}

.site-intro-card h3 {
  font-size: var(--type-heading-2-size);
  line-height: var(--type-heading-2-line);
  font-weight: var(--font-weight-regular);
  word-break: keep-all;
}

.site-intro-card h3 b {
  font-weight: var(--font-weight-bold);
}

.site-intro-card-enter {
  width: 100%;
  margin-top: var(--space-24);
}

.site-intro-login {
  width: 100%;
  margin-top: var(--space-12);
}

/* Speech bubble under the login button: tells registered athletes to sign in. */
.site-intro-bubble {
  position: relative;
  margin-top: var(--space-16);
  padding: var(--space-10) var(--space-16);
  border-radius: var(--radius-12);
  background: var(--semantic-brand-subtle);
  color: var(--semantic-primary-normal);
  font-size: var(--type-label-2-size);
  font-weight: var(--font-weight-semibold);
  line-height: var(--type-label-2-line);
  text-align: center;
  word-break: keep-all;
}

.site-intro-bubble::before {
  content: "";
  position: absolute;
  bottom: 100%;
  left: 50%;
  border: var(--space-8) solid transparent;
  border-bottom-color: var(--semantic-brand-subtle);
  transform: translateX(-50%);
}

.site-intro-bubble[hidden] {
  display: none;
}

.site-intro-link-card {
  display: flex;
  align-items: center;
  gap: var(--space-20);
  padding-block: var(--space-24);
  transition: transform var(--duration-normal) var(--easing-standard);
}

.site-intro-link-card:hover {
  transform: translateY(calc(var(--space-4) * -1));
}

.site-intro-card-icon {
  display: grid;
  flex: none;
  place-items: center;
  width: var(--space-64);
  height: var(--space-64);
  border-radius: var(--radius-full);
  background: var(--semantic-primary-normal);
  color: var(--semantic-static-white);
  font-size: var(--type-title-3-size);
}

.site-intro-card-text {
  display: grid;
  gap: var(--space-4);
  min-width: 0;
}

.site-intro-card-text strong {
  font-size: var(--type-headline-1-size);
  line-height: var(--type-headline-1-line);
}

.site-intro-card-text span {
  color: var(--semantic-label-alternative);
  font-size: var(--type-label-2-size);
  line-height: var(--type-label-2-line);
  word-break: keep-all;
}

.site-intro-link-card > i {
  margin-left: auto;
  color: var(--semantic-label-assistive);
  font-size: var(--type-heading-1-size);
}

.site-intro :focus-visible {
  outline: var(--space-2) solid var(--semantic-primary-normal);
  outline-offset: var(--space-2);
}

@media (max-width:1100px) {
  .site-intro-layout {
    grid-template-columns: minmax(0,1fr) minmax(320px,400px);
    gap: var(--space-40);
  }
}

@media (max-width:800px) {
  .site-intro {
    --intro-gutter: var(--layout-gutter-mobile);
  }

  .site-intro-inner {
    gap: var(--space-32);
    padding-block: var(--space-24) var(--space-40);
  }

  .site-intro-brand img {
    height: var(--space-56);
  }

  .site-intro-layout {
    grid-template-columns: minmax(0,1fr);
    gap: var(--space-32);
  }

  .site-intro-summary br {
    display: none;
  }

  .site-intro-stats {
    grid-template-columns: repeat(2,minmax(0,1fr));
    gap: var(--space-12);
    margin-top: var(--space-28);
  }

  .site-intro-stats li {
    min-width: 0;
    padding: var(--space-16);
  }

  .site-intro-stats strong {
    font-size: var(--type-headline-1-size);
    line-height: var(--type-headline-1-line);
  }

  .site-intro-stats span {
    font-size: var(--type-caption-2-size);
    line-height: var(--type-caption-2-line);
  }

  .site-intro-stat-note {
    display: block;
  }

  .site-intro-card {
    padding: var(--space-24);
    border-radius: var(--radius-20);
  }

  .site-intro-link-card {
    gap: var(--space-12);
  }

  .site-intro-card-text strong {
    font-size: var(--type-label-1-size);
    line-height: var(--type-label-1-line);
  }

  .site-intro-card-icon {
    width: var(--space-48);
    height: var(--space-48);
    font-size: var(--type-heading-2-size);
  }
}

@media (prefers-reduced-motion:reduce) {
  .site-intro,.site-intro-card-enter i,.site-intro-link-card {
    transition: none;
  }

  .site-intro-stats li {
    opacity: 1;
    transform: none;
    animation: none;
  }
}

html.reduce-motion .site-intro-stats li {
  opacity: 1;
  transform: none;
  animation: none;
}