/* Shared motion and the invitation page's glass treatment. */
:root {
  --ease-pop: cubic-bezier(.23, 1, .32, 1);
}

/* Metrics read as one line of figures, rather than individual boxes. */
.summit-stats > div {
  position: relative;
  padding: 12px 10px;
  border-radius: 0;
  border-left: 0;
}
.summit-stats > div + div {
  border-left: 0;
}
.summit-stats > div + div::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 1px;
  height: 32px;
  background: rgba(196, 214, 229, .24);
  transform: translateY(-50%);
}
.summit-stats > div::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: calc(50% - 16px);
  width: 32px;
  height: 2px;
  border-radius: 2px;
  background: #83c4f6;
  opacity: 0;
  transform: scaleX(.5);
  transition: opacity 180ms ease, transform 200ms var(--ease-pop);
}
.stat-value {
  transition: color 180ms ease, transform 200ms var(--ease-pop);
}
.summit-stats dd {
  color: #d9e8f4;
}

/* Every timing, including the launch, responds to the whole row. */
.timeline li {
  cursor: default;
  isolation: isolate;
}
.timeline li::after {
  content: "";
  position: absolute;
  inset: 5px -16px 9px 207px;
  z-index: -1;
  border: 1px solid rgba(114, 186, 240, .24);
  border-radius: 12px;
  background: linear-gradient(110deg, rgba(30, 115, 190, .19), rgba(30, 115, 190, .04));
  opacity: 0;
  transition: opacity 180ms ease;
  pointer-events: none;
}
.timeline li::before {
  transition: background-color 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}
.timeline time,
.launch time {
  font-variant-numeric: tabular-nums;
  transition: color 180ms ease, transform 200ms var(--ease-pop);
}
.timeline li > div {
  transition: transform 200ms var(--ease-pop);
}
.launch {
  cursor: default;
  transition: border-color 180ms ease, background-color 180ms ease, transform 220ms var(--ease-pop), box-shadow 220ms ease;
}
.audience-list li {
  cursor: default;
  transition: transform 200ms var(--ease-pop), background-color 180ms ease, border-color 180ms ease, box-shadow 200ms ease;
}

/* A decorative background shared with the summit's orbital imagery. */
.registration-page {
  position: relative;
  isolation: isolate;
  background: #04111d;
}
.registration-ambient {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
  background:
    radial-gradient(ellipse at 92% 30%, rgba(40, 124, 199, .38), transparent 54%),
    radial-gradient(ellipse at 4% 80%, rgba(19, 79, 129, .31), transparent 52%),
    linear-gradient(125deg, #020b13, #071d30 65%, #04111d);
}
.registration-orbit {
  position: absolute;
  top: -190px;
  right: -235px;
  width: min(1080px, 88vw);
  height: auto;
  max-width: none;
  opacity: .75;
  transform: rotate(-12deg);
}
.registration-ambient::before,
.registration-ambient::after {
  content: "";
  position: absolute;
  border-radius: 50%;
}
.registration-ambient::before {
  width: 350px;
  height: 350px;
  right: 10%;
  top: 14%;
  background: radial-gradient(circle at 30% 25%, rgba(127, 196, 250, .3), rgba(30, 115, 190, .08) 60%, transparent 72%);
}
.registration-ambient::after {
  width: 440px;
  height: 440px;
  left: -205px;
  bottom: -175px;
  border: 1px solid rgba(151, 204, 247, .13);
  box-shadow: 0 0 0 60px rgba(151, 204, 247, .035), 0 0 0 120px rgba(151, 204, 247, .02);
}
.registration-header {
  padding-block: 32px;
}
.registration-layout {
  gap: clamp(40px, 5vw, 76px);
  padding-block: 44px 78px;
}
.registration-intro {
  padding-top: 18px;
}
.registration-intro .eyebrow {
  max-width: 350px;
  color: #c5e4fb;
  font-size: 13px;
  line-height: 1.8;
  letter-spacing: .055em;
}
.registration-intro > p:last-child {
  padding-top: 24px;
  border-top: 1px solid rgba(190, 220, 243, .18);
  font-size: 15px;
  line-height: 1.8;
}
.registration-intro .event-facts {
  gap: 24px;
  margin-top: 36px;
}
.registration-intro .event-facts dt {
  color: #a8cde9;
  font-size: 12px;
  letter-spacing: .055em;
}
.registration-intro .event-facts dd {
  color: #f3f9fd;
}
.registration-form {
  position: relative;
  isolation: isolate;
  min-width: 0;
  padding: clamp(26px, 3vw, 42px);
  border: 1px solid rgba(190, 222, 248, .3);
  border-radius: 24px;
  background:
    linear-gradient(145deg, rgba(30, 72, 105, .58), rgba(8, 25, 40, .78) 52%, rgba(11, 37, 59, .72));
  -webkit-backdrop-filter: blur(16px) saturate(135%);
  backdrop-filter: blur(16px) saturate(135%);
  box-shadow:
    0 28px 70px rgba(0, 4, 10, .32),
    0 8px 24px rgba(0, 4, 10, .16),
    inset 0 1px 0 rgba(234, 246, 255, .22),
    inset 0 -1px 0 rgba(151, 207, 248, .05);
}
.registration-form::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(ellipse at 0 0, rgba(173, 216, 249, .08), transparent 58%);
  pointer-events: none;
}
.registration-form h2 {
  font-size: clamp(25px, 2.3vw, 30px);
}
.registration-form .form-intro {
  color: #d0e2f0;
  line-height: 1.75;
}
.registration-form .fields {
  gap: 21px 18px;
  margin-top: 28px;
}
.registration-form .field label {
  color: #f0f7fc;
  font-size: 14px;
  margin-bottom: 8px;
}
.registration-form .field input,
.registration-form .field select {
  min-height: 50px;
  padding: 12px 14px;
  border: 1px solid rgba(177, 210, 235, .38);
  border-radius: 10px;
  background: rgba(2, 14, 25, .44);
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, .12);
  transition: border-color 160ms ease, background-color 160ms ease, box-shadow 160ms ease;
}
.registration-form .field input::placeholder {
  color: #b5ccde;
  opacity: 1;
}
.registration-form .field select {
  appearance: none;
  padding-right: 42px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 16 16'%3E%3Cpath d='m4 6 4 4 4-4' fill='none' stroke='%23c9e5fa' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 15px center;
}
.registration-form .field select option {
  background: #0a2134;
  color: #fff;
}
.registration-form .field input:focus,
.registration-form .field select:focus {
  border-color: #98d0fc;
  background-color: rgba(8, 29, 46, .72);
  outline: 2px solid rgba(156, 212, 253, .5);
  outline-offset: 3px;
  box-shadow: 0 0 0 5px rgba(78, 160, 225, .09);
}
.registration-form .field input[aria-invalid="true"] {
  border-color: #ffb6b6;
}
.registration-form .consent {
  color: #e2edf5;
  font-size: 13px;
  line-height: 1.8;
}
.registration-form .privacy-note {
  color: #c4d8e8;
  font-size: 12px;
  line-height: 1.8;
}
.registration-form .form-button {
  min-height: 52px;
  border-radius: 10px;
  border-color: rgba(180, 219, 249, .25);
  box-shadow: inset 0 1px 0 rgba(220, 239, 253, .16), 0 7px 20px rgba(0, 62, 109, .22);
}
.registration-footer {
  padding-bottom: 30px;
}

@media (hover: hover) and (pointer: fine) {
  .summit-stats > div:hover {
    transform: none;
    background: transparent;
  }
  .summit-stats > div:hover .stat-value {
    color: #94cefa;
    transform: translateY(-3px);
  }
  .summit-stats > div:hover::after {
    opacity: 1;
    transform: scaleX(1);
  }
  .timeline li:hover::after {
    opacity: 1;
  }
  .timeline li:hover::before {
    background: #83c4f6;
    border-color: #c6e8ff;
    box-shadow: 0 0 0 6px rgba(69, 157, 229, .1);
  }
  .timeline li:hover time {
    color: #b7defd;
    transform: translateX(3px);
  }
  .timeline li:hover > div {
    transform: translateX(3px);
  }
  .launch:hover {
    transform: translateY(-3px);
    border-color: rgba(161, 211, 251, .4);
    background-color: rgba(30, 115, 190, .23);
    box-shadow: 0 12px 24px rgba(0, 0, 0, .16);
  }
  .launch:hover time {
    color: #b7defd;
  }
  .audience-list li:hover {
    transform: translateY(-4px);
    background-color: rgba(30, 115, 190, .24);
    border-color: rgba(117, 191, 248, .45);
    box-shadow: 0 8px 18px rgba(0, 0, 0, .12);
  }
  .registration-form .field input:hover:not(:focus),
  .registration-form .field select:hover:not(:focus) {
    border-color: rgba(195, 225, 249, .7);
  }
}

@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .registration-form {
    background: linear-gradient(145deg, #183953, #0a1d2d 65%);
  }
}
@media (max-width: 1000px) {
  .timeline li::after {
    inset: 6px -12px 10px 42px;
  }
  .registration-intro {
    padding-top: 0;
  }
  .registration-intro > p:last-child {
    max-width: 780px;
  }
  .registration-layout {
    padding-top: 32px;
    gap: 36px;
  }
  .registration-form {
    width: 100%;
    max-width: none;
  }
  .registration-orbit {
    width: 950px;
    top: 40px;
    right: -420px;
    opacity: .55;
  }
}
@media (max-width: 600px) {
  .summit-stats > div {
    padding-inline: 6px;
  }
  .summit-stats dd {
    font-size: 11px;
  }
  .timeline li::after {
    inset: 0 -8px 10px 29px;
    border-radius: 10px;
  }
  .registration-header {
    padding-block: 24px;
  }
  .registration-layout {
    padding-block: 22px 48px;
    gap: 28px;
  }
  .registration-intro .eyebrow {
    font-size: 12px;
  }
  .registration-intro .event-facts {
    display: grid;
    gap: 16px;
    margin-top: 26px;
  }
  .registration-intro > p:last-child {
    font-size: 14px;
    padding-top: 20px;
  }
  .registration-form {
    padding: 26px 20px;
    border-radius: 20px;
    -webkit-backdrop-filter: blur(12px) saturate(120%);
    backdrop-filter: blur(12px) saturate(120%);
  }
  .registration-form .fields {
    gap: 19px;
    margin-top: 24px;
  }
  .registration-form .field input,
  .registration-form .field select {
    font-size: 16px;
  }
  .registration-orbit {
    top: 200px;
    right: -375px;
    width: 740px;
    opacity: .42;
  }
}
@media (prefers-reduced-motion: reduce) {
  .stat-value,
  .summit-stats > div::after,
  .timeline li::before,
  .timeline li::after,
  .timeline time,
  .timeline li > div,
  .launch,
  .launch time,
  .audience-list li,
  .registration-form .field input,
  .registration-form .field select {
    transition: none;
  }
  .summit-stats > div:hover .stat-value,
  .timeline li:hover time,
  .timeline li:hover > div,
  .launch:hover,
  .audience-list li:hover {
    transform: none;
  }
}
