:root {
  color-scheme: dark;
  --ink: #12130f;
  --canvas: #191a17;
  --paper: #fff8e7;
  --paper-muted: #eee5cd;
  --green: #35ba70;
  --green-dark: #11643b;
  --yellow: #ffd33d;
  --line: 4px;
  --shadow-offset: 10px;
  --page-gutter: clamp(0.75rem, 2.5vw, 2.5rem);
  font-family:
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  font-synthesis: none;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  background: var(--canvas);
  scroll-behavior: smooth;
}

body {
  min-height: 100dvh;
  margin: 0;
  overflow-x: hidden;
  background: var(--canvas);
  color: var(--paper);
}

a {
  color: inherit;
}

a:focus-visible {
  outline: 4px solid var(--yellow);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  inset-block-start: 0.75rem;
  inset-inline-start: 0.75rem;
  z-index: 10;
  padding: 0.75rem 1rem;
  border: 3px solid var(--ink);
  background: var(--yellow);
  color: var(--ink);
  font-weight: 900;
  transform: translateY(calc(-100% - 1rem));
}

.skip-link:focus {
  transform: translateY(0);
}

.site-shell {
  width: min(100%, 108rem);
  min-height: 100dvh;
  margin-inline: auto;
  padding: clamp(1rem, 2vw, 2rem) var(--page-gutter) clamp(3rem, 6vw, 6rem);
}

.masthead {
  min-height: 3rem;
  margin-block-end: clamp(0.75rem, 1.8vw, 1.5rem);
}

.masthead h1 {
  margin: 0;
  color: var(--paper);
  font-size: clamp(1rem, 1.6vw, 1.35rem);
  font-weight: 900;
  letter-spacing: -0.025em;
  line-height: 1.1;
}

.hero-frame {
  position: relative;
  overflow: hidden;
  border: var(--line) solid var(--ink);
  background: var(--green);
  box-shadow: var(--shadow-offset) var(--shadow-offset) 0 var(--ink);
  isolation: isolate;
}

.hero-frame picture {
  display: block;
  width: 100%;
  aspect-ratio: 4244 / 1868;
}

.hero-frame picture img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4244 / 1868;
  object-fit: contain;
}

.countdown-card {
  position: relative;
  z-index: 1;
  width: min(calc(100% - clamp(1rem, 8vw, 8rem)), 91rem);
  margin: -1.25rem auto 0;
  border: var(--line) solid var(--ink);
  background: var(--paper);
  box-shadow: var(--shadow-offset) var(--shadow-offset) 0 var(--ink);
  color: var(--ink);
}

.countdown-card::before {
  content: "";
  display: block;
  height: 0.65rem;
  border-block-end: var(--line) solid var(--ink);
  background: linear-gradient(90deg, var(--green) 0 72%, var(--yellow) 72% 100%);
}

.countdown-card__body {
  display: grid;
  grid-template-columns: minmax(13rem, 0.78fr) minmax(0, 2fr);
  align-items: stretch;
}

.countdown-card__intro {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
  padding: clamp(1.25rem, 2.5vw, 2.25rem);
  border-inline-end: var(--line) solid var(--ink);
}

.countdown-card__intro h2 {
  max-width: 15ch;
  margin: 0;
  font-size: clamp(1.45rem, 2.2vw, 2.35rem);
  font-weight: 950;
  letter-spacing: -0.055em;
  line-height: 1.04;
}

.countdown-card__target {
  display: grid;
  gap: 0.18rem;
  margin: 0.75rem 0 0;
  color: #3e4137;
  font-size: clamp(0.82rem, 1vw, 0.95rem);
  font-weight: 700;
  line-height: 1.45;
}

.countdown-card__target span {
  color: var(--green-dark);
}

.countdown-card__status {
  max-width: 20ch;
  margin: 0;
  font-size: clamp(1.8rem, 4vw, 3.6rem);
  font-weight: 950;
  letter-spacing: -0.06em;
  line-height: 1.05;
}

.countdown-card__status[hidden] {
  display: none;
}

.countdown-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  min-width: 0;
}

.countdown-unit {
  display: grid;
  place-content: center;
  min-width: 0;
  min-height: clamp(8.25rem, 15vw, 13.5rem);
  padding: 0.8rem 0.5rem;
  border-inline-end: var(--line) solid var(--ink);
  text-align: center;
}

.countdown-unit:last-child {
  border-inline-end: 0;
}

.countdown-unit--seconds {
  background: var(--green);
}

.countdown-unit__value {
  display: block;
  min-width: 2ch;
  font-size: clamp(3.1rem, 7vw, 7.2rem);
  font-variant-numeric: tabular-nums lining-nums;
  font-weight: 950;
  letter-spacing: -0.09em;
  line-height: 0.86;
}

.countdown-unit__label {
  display: block;
  margin-block-start: clamp(0.65rem, 1vw, 1rem);
  font-size: clamp(0.82rem, 1vw, 1rem);
  font-weight: 900;
  letter-spacing: 0.16em;
  line-height: 1;
}

.event-details {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) auto;
  align-items: stretch;
  border-block-start: var(--line) solid var(--ink);
  background: var(--paper-muted);
}

.event-detail {
  display: grid;
  align-content: center;
  gap: 0.25rem;
  min-width: 0;
  margin: 0;
  padding: 1rem clamp(1rem, 2vw, 1.6rem);
  border-inline-end: var(--line) solid var(--ink);
  font-size: clamp(0.85rem, 1.2vw, 1rem);
  font-style: normal;
  font-weight: 850;
  line-height: 1.35;
}

.event-detail__label {
  color: #535647;
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.12em;
}

.official-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 12.5rem;
  min-height: 4.75rem;
  padding: 0.9rem 1.35rem;
  border: 0;
  background: var(--yellow);
  color: var(--ink);
  font-size: 0.95rem;
  font-weight: 950;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  white-space: nowrap;
  transition:
    background-color 140ms ease,
    color 140ms ease,
    transform 140ms ease;
}

.official-link:hover {
  background: var(--ink);
  color: var(--paper);
}

.official-link:active {
  transform: translateY(2px);
}

.countdown-card[data-state="complete"] .countdown-card__body {
  display: block;
}

.countdown-card[data-state="complete"] .countdown-card__intro {
  min-height: clamp(8.25rem, 15vw, 13.5rem);
  border-inline-end: 0;
  background: var(--green);
}

.countdown-card[data-state="complete"] .countdown-card__intro h2,
.countdown-card[data-state="complete"] .countdown-card__target,
.countdown-card[data-state="complete"] .countdown-grid {
  display: none;
}

@media (max-width: 64rem) {
  .countdown-card__body {
    grid-template-columns: 1fr;
  }

  .countdown-card__intro {
    border-inline-end: 0;
    border-block-end: var(--line) solid var(--ink);
  }

  .countdown-card[data-state="complete"] .countdown-card__intro {
    border-block-end: 0;
  }

  .countdown-card__intro h2 {
    max-width: none;
  }

  .countdown-card__target {
    display: flex;
    flex-wrap: wrap;
    column-gap: 0.4rem;
  }

  .countdown-unit {
    min-height: clamp(7.5rem, 18vw, 10rem);
  }

  .countdown-unit__value {
    font-size: clamp(3.2rem, 10vw, 5.8rem);
  }

  .event-details {
    grid-template-columns: 1fr 1fr;
  }

  .event-detail:nth-child(2) {
    border-inline-end: 0;
  }

  .official-link {
    grid-column: 1 / -1;
    border-block-start: var(--line) solid var(--ink);
  }
}

@media (max-width: 47.99rem) {
  :root {
    --line: 3px;
    --shadow-offset: 6px;
  }

  .site-shell {
    padding-block-start: 0.75rem;
  }

  .countdown-card {
    width: 100%;
    margin-block-start: 1.25rem;
  }

  .countdown-card::before {
    height: 0.5rem;
  }

  .event-details {
    grid-template-columns: 1fr;
  }

  .event-detail {
    border-inline-end: 0;
    border-block-end: var(--line) solid var(--ink);
  }

  .event-detail:nth-child(2) {
    border-block-end: 0;
  }

  .official-link {
    min-width: 0;
    white-space: normal;
  }
}

@media (max-width: 30rem) {
  .countdown-card__intro {
    padding: 1.15rem;
  }

  .countdown-card__target {
    display: grid;
  }

  .countdown-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .countdown-unit {
    min-height: 7.5rem;
  }

  .countdown-unit:nth-child(2) {
    border-inline-end: 0;
  }

  .countdown-unit:nth-child(-n + 2) {
    border-block-end: var(--line) solid var(--ink);
  }

  .countdown-unit__value {
    min-width: 0;
    font-size: clamp(2.25rem, 18vw, 5rem);
  }

  .event-detail {
    padding: 0.9rem 1.15rem;
  }
}

.masthead,
.hero-frame,
.countdown-card {
  animation: enter 480ms cubic-bezier(0.16, 1, 0.3, 1) both;
}

.hero-frame {
  animation-delay: 70ms;
}

.countdown-card {
  animation-delay: 140ms;
}

.countdown-unit__value.is-changing {
  animation: tick 220ms cubic-bezier(0.2, 0.75, 0.3, 1);
}

@keyframes enter {
  from {
    opacity: 0;
    transform: translateY(0.85rem);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes tick {
  0% {
    opacity: 0.45;
    transform: translateY(-0.15em);
  }

  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (forced-colors: active) {
  .hero-frame,
  .countdown-card {
    border-color: CanvasText;
    box-shadow: none;
  }

  .countdown-card::before,
  .countdown-unit--seconds,
  .official-link {
    background: Canvas;
    color: CanvasText;
  }
}