:root {
  --bg: #f3efe7;
  --surface: rgba(255, 255, 255, 0.8);
  --surface-strong: rgba(255, 255, 255, 0.92);
  --surface-soft: rgba(255, 255, 255, 0.66);
  --line: rgba(20, 26, 41, 0.1);
  --line-strong: rgba(20, 26, 41, 0.18);
  --text: #111722;
  --muted: #5f6878;
  --shadow: 0 24px 60px rgba(21, 27, 41, 0.12);
  --mario: #1f7bdd;
  --rt3: #d19b5a;
  --raul: #c65f2d;
  --sprime: #7a5af5;
  --labs: #24b86f;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  font-family: "Space Grotesk", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(31, 123, 221, 0.12), transparent 30%),
    radial-gradient(circle at top right, rgba(209, 155, 90, 0.13), transparent 28%),
    radial-gradient(circle at bottom left, rgba(36, 184, 111, 0.1), transparent 28%),
    radial-gradient(circle at bottom right, rgba(122, 90, 245, 0.1), transparent 32%),
    linear-gradient(180deg, #f6f2ea 0%, #efe8de 100%);
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

.io-skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
}

.io-skip-link:focus {
  left: 1rem;
  top: 1rem;
  z-index: 1000;
  padding: 0.8rem 1rem;
  border-radius: 999px;
  background: #101725;
  color: #ffffff;
}

.io-shell {
  width: min(1240px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1rem 0 4rem;
}

.io-topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 0.8rem 0 1.4rem;
}

.io-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
}

.io-brand__mark {
  width: 2.7rem;
  height: 2.7rem;
  display: grid;
  place-items: center;
  border-radius: 14px;
  border: 1px solid rgba(17, 23, 34, 0.08);
  background: rgba(255, 255, 255, 0.85);
  box-shadow: 0 8px 20px rgba(17, 23, 34, 0.08);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.io-brand__name {
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.24em;
  text-transform: uppercase;
}

.io-brand__mode {
  display: block;
  margin-top: 0.2rem;
  color: var(--muted);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.io-topbar__actions,
.io-hero__actions,
.io-footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.io-pill,
.io-btn,
.io-footer__links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0.72rem 1rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: 0 12px 30px rgba(17, 23, 34, 0.06);
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.io-pill {
  color: var(--muted);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.io-btn {
  min-height: 50px;
  border-radius: 18px;
  background: #ffffff;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.io-pill:hover,
.io-pill:focus-visible,
.io-btn:hover,
.io-btn:focus-visible,
.io-link-card:hover,
.io-link-card:focus-visible,
.io-mini-card:hover,
.io-mini-card:focus-visible,
.io-card:hover,
.io-card:focus-within,
.io-footer__links a:hover,
.io-footer__links a:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 22px 36px rgba(17, 23, 34, 0.12);
  border-color: var(--line-strong);
  outline: none;
}

.io-btn--primary {
  background: #101725;
  border-color: transparent;
  color: #ffffff;
}

.io-hero,
.io-strip,
.io-cluster,
.io-deepcuts,
.io-footer,
.io-mini-card,
.io-card,
.io-link-card {
  border: 1px solid var(--line);
  background: var(--surface-strong);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.io-hero {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 1.2rem;
  align-items: stretch;
}

.io-hero__main,
.io-hero__side {
  border-radius: 30px;
}

.io-hero__main {
  padding: 2rem;
}

.io-hero__side {
  display: grid;
  gap: 1rem;
  padding: 1.5rem;
}

.io-kicker,
.io-stat__label,
.io-card__kicker,
.io-link-card__meta,
.io-footer__label,
.io-deepcuts__hint {
  color: var(--muted);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.66rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.io-hero__title,
.io-section-head h2,
.io-strip__header h2,
.io-deepcuts h2 {
  margin: 0.75rem 0 0;
  line-height: 0.92;
  letter-spacing: -0.08em;
}

.io-hero__title {
  max-width: 11ch;
  font-size: clamp(3.1rem, 7vw, 5.9rem);
}

.io-hero__copy,
.io-section-head p,
.io-strip__header p,
.io-note__copy,
.io-link-card p,
.io-mini-card p,
.io-card__copy,
.io-footer__copy,
.io-deepcuts p {
  margin: 1rem 0 0;
  color: #364154;
  line-height: 1.75;
}

.io-stat-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.8rem;
}

.io-stat {
  padding: 1rem;
  border-radius: 22px;
  border: 1px solid rgba(17, 23, 34, 0.07);
  background: rgba(255, 255, 255, 0.72);
}

.io-stat__value {
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: -0.06em;
}

.io-note {
  padding: 1rem 1.1rem;
  border-radius: 22px;
  background: linear-gradient(135deg, rgba(16, 23, 37, 0.96), rgba(34, 42, 60, 0.92));
  color: #edf3ff;
}

.io-note__title {
  font-size: 1.08rem;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.io-note__copy {
  color: rgba(237, 243, 255, 0.76);
}

.io-strip,
.io-worlds-shell,
.io-clusters-shell,
.io-deepcuts-shell {
  margin-top: 1.3rem;
}

.io-strip {
  padding: 1.4rem;
  border-radius: 28px;
}

.io-strip__cards {
  margin-top: 1rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.9rem;
}

.io-mini-card {
  padding: 1.1rem;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.78);
}

.io-mini-card__label {
  display: inline-flex;
  margin-bottom: 0.55rem;
  padding: 0.32rem 0.6rem;
  border-radius: 999px;
  background: rgba(17, 23, 34, 0.05);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.67rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.io-mini-card h3,
.io-link-card h3,
.io-card__title {
  margin: 0;
  letter-spacing: -0.04em;
}

.io-mini-card h3,
.io-link-card h3 {
  font-size: 1.24rem;
}

.io-mini-card__link,
.io-link-card__link {
  display: inline-flex;
  margin-top: 1rem;
  color: #22344f;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.io-section-head {
  margin-bottom: 1rem;
  max-width: 62rem;
}

.io-section-head--compact {
  margin-bottom: 1.2rem;
}

.io-worlds {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 1rem;
}

.io-card {
  position: relative;
  overflow: hidden;
  min-height: 300px;
  padding: 1.4rem;
  border-radius: 28px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.io-card::before {
  content: "";
  position: absolute;
  inset: auto -10% -16% auto;
  width: 190px;
  height: 190px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--card-color) 18%, white);
  opacity: 0.95;
}

.io-card > * {
  position: relative;
  z-index: 1;
}

.io-card--mario {
  --card-color: var(--mario);
  grid-column: span 5;
}

.io-card--rt3 {
  --card-color: var(--rt3);
  grid-column: span 3;
}

.io-card--raul {
  --card-color: var(--raul);
  grid-column: span 4;
}

.io-card--sprime {
  --card-color: var(--sprime);
  grid-column: span 6;
}

.io-card--labs {
  --card-color: var(--labs);
  grid-column: span 6;
}

.io-card__kicker {
  color: color-mix(in srgb, var(--card-color) 68%, #314);
}

.io-card__title {
  margin-top: 0.65rem;
  font-size: clamp(2.1rem, 4vw, 3.2rem);
  line-height: 0.96;
}

.io-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 1rem;
}

.io-tag {
  padding: 0.38rem 0.62rem;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--card-color) 26%, rgba(17, 23, 34, 0.08));
  background: color-mix(in srgb, var(--card-color) 11%, white);
  color: #394357;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.64rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.io-card__footer {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 1rem;
  margin-top: 1.4rem;
}

.io-card__stats {
  color: #4a5567;
  font-size: 0.9rem;
  line-height: 1.6;
}

.io-card__enter {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0.8rem 0.95rem;
  border-radius: 16px;
  border: 1px solid color-mix(in srgb, var(--card-color) 24%, rgba(17, 23, 34, 0.08));
  background: #ffffff;
  box-shadow: 0 10px 24px rgba(17, 23, 34, 0.08);
  font-weight: 700;
}

.io-card__visual {
  position: relative;
  margin-top: 1rem;
  height: 92px;
  overflow: hidden;
  border: 1px solid rgba(17, 23, 34, 0.08);
  border-radius: 18px;
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--card-color) 20%, white), rgba(255, 255, 255, 0.62)),
    rgba(255, 255, 255, 0.7);
}

.io-card__visual::before {
  content: "";
  position: absolute;
}

.io-card__visual--rings::before {
  inset: 50% auto auto 50%;
  width: 66px;
  height: 66px;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  border: 1px solid color-mix(in srgb, var(--card-color) 45%, transparent);
  box-shadow:
    0 0 0 14px color-mix(in srgb, var(--card-color) 18%, transparent),
    0 0 0 28px color-mix(in srgb, var(--card-color) 10%, transparent);
}

.io-card__visual--tracks::before {
  inset: 0;
  background:
    radial-gradient(circle at 20% 54%, color-mix(in srgb, var(--card-color) 68%, white) 0 6px, transparent 7px),
    radial-gradient(circle at 52% 36%, color-mix(in srgb, var(--card-color) 68%, white) 0 11px, transparent 12px),
    radial-gradient(circle at 78% 68%, color-mix(in srgb, var(--card-color) 68%, white) 0 8px, transparent 9px),
    linear-gradient(color-mix(in srgb, var(--card-color) 34%, transparent), color-mix(in srgb, var(--card-color) 34%, transparent)) 22% 54% / 28% 1px no-repeat,
    linear-gradient(color-mix(in srgb, var(--card-color) 34%, transparent), color-mix(in srgb, var(--card-color) 34%, transparent)) 54% 40% / 24% 1px no-repeat;
}

.io-card__visual--ledger::before {
  inset: 0;
  background:
    linear-gradient(90deg, transparent 0 18px, color-mix(in srgb, var(--card-color) 14%, transparent) 18px 21px, transparent 21px 44px),
    linear-gradient(color-mix(in srgb, var(--card-color) 38%, transparent), color-mix(in srgb, var(--card-color) 38%, transparent)) 20px 22px / 55% 10px no-repeat,
    linear-gradient(color-mix(in srgb, var(--card-color) 24%, transparent), color-mix(in srgb, var(--card-color) 24%, transparent)) 20px 42px / 42% 10px no-repeat,
    radial-gradient(circle at 84% 36%, color-mix(in srgb, var(--card-color) 35%, white) 0 18px, transparent 19px);
}

.io-card__visual--bars::before {
  left: 18px;
  right: 18px;
  bottom: 14px;
  top: 14px;
  background:
    linear-gradient(to top, color-mix(in srgb, var(--card-color) 72%, transparent) 0 32%, transparent 32%),
    linear-gradient(to top, color-mix(in srgb, var(--card-color) 72%, transparent) 0 58%, transparent 58%),
    linear-gradient(to top, color-mix(in srgb, var(--card-color) 72%, transparent) 0 18%, transparent 18%),
    linear-gradient(to top, color-mix(in srgb, var(--card-color) 72%, transparent) 0 82%, transparent 82%),
    linear-gradient(to top, color-mix(in srgb, var(--card-color) 72%, transparent) 0 44%, transparent 44%);
  background-size: 16% 100%;
  background-repeat: no-repeat;
  background-position: 0 0, 22% 0, 44% 0, 66% 0, 88% 0;
}

.io-card__visual--nodes::before {
  inset: 0;
  background:
    radial-gradient(circle at 18% 28%, color-mix(in srgb, var(--card-color) 64%, white) 0 7px, transparent 8px),
    radial-gradient(circle at 46% 54%, color-mix(in srgb, var(--card-color) 64%, white) 0 10px, transparent 11px),
    radial-gradient(circle at 76% 30%, color-mix(in srgb, var(--card-color) 64%, white) 0 7px, transparent 8px),
    radial-gradient(circle at 66% 76%, color-mix(in srgb, var(--card-color) 64%, white) 0 6px, transparent 7px),
    linear-gradient(color-mix(in srgb, var(--card-color) 34%, transparent), color-mix(in srgb, var(--card-color) 34%, transparent)) 20% 30% / 28% 1px no-repeat,
    linear-gradient(color-mix(in srgb, var(--card-color) 34%, transparent), color-mix(in srgb, var(--card-color) 34%, transparent)) 48% 50% / 26% 1px no-repeat,
    linear-gradient(color-mix(in srgb, var(--card-color) 34%, transparent), color-mix(in srgb, var(--card-color) 34%, transparent)) 46% 56% / 20% 1px no-repeat;
}

.io-clusters {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.io-cluster {
  padding: 1.35rem;
  border-radius: 28px;
}

.io-cluster__links {
  margin-top: 1rem;
  display: grid;
  gap: 0.85rem;
}

.io-link-card {
  display: grid;
  gap: 0.7rem;
  padding: 1rem;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.78);
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.io-link-card__topline {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.9rem;
}

.io-link-card__meta {
  display: inline-flex;
  padding: 0.34rem 0.58rem;
  border-radius: 999px;
  background: rgba(17, 23, 34, 0.06);
  color: #445065;
}

.io-link-card__link {
  color: #22344f;
}

.io-link-card--static {
  background: rgba(255, 255, 255, 0.58);
  box-shadow: none;
}

.io-link-card--static:hover,
.io-link-card--static:focus-visible {
  transform: none;
  box-shadow: none;
}

.io-deepcuts {
  overflow: hidden;
  border-radius: 28px;
}

.io-deepcuts summary {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  padding: 1.15rem 1.35rem;
  cursor: pointer;
  list-style: none;
}

.io-deepcuts summary::-webkit-details-marker {
  display: none;
}

.io-deepcuts__content {
  padding: 0 1.35rem 1.35rem;
  border-top: 1px solid rgba(17, 23, 34, 0.08);
}

.io-deepcuts__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem;
}

.io-footer {
  margin-top: 1.3rem;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1rem;
  padding: 1.3rem 1.4rem;
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.74);
}

.io-footer__copy {
  max-width: 62ch;
}

.io-rise {
  animation: rise 480ms ease-out both;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(14px);
  }

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

@media (max-width: 1024px) {
  .io-hero,
  .io-footer {
    grid-template-columns: 1fr;
  }

  .io-worlds,
  .io-clusters,
  .io-strip__cards,
  .io-deepcuts__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .io-card--mario,
  .io-card--rt3,
  .io-card--raul,
  .io-card--sprime,
  .io-card--labs {
    grid-column: span 1;
  }
}

@media (max-width: 720px) {
  .io-shell {
    width: min(100% - 1rem, 1240px);
    padding-top: 0.6rem;
  }

  .io-topbar,
  .io-deepcuts summary {
    align-items: flex-start;
    flex-direction: column;
  }

  .io-topbar__actions,
  .io-hero__actions,
  .io-footer__links {
    width: 100%;
  }

  .io-pill,
  .io-btn,
  .io-card__enter,
  .io-footer__links a {
    width: 100%;
  }

  .io-stat-grid,
  .io-strip__cards,
  .io-worlds,
  .io-clusters,
  .io-deepcuts__grid {
    grid-template-columns: 1fr;
  }

  .io-card__footer,
  .io-link-card__topline {
    align-items: flex-start;
    flex-direction: column;
  }

  .io-hero__main,
  .io-hero__side,
  .io-strip,
  .io-cluster,
  .io-deepcuts,
  .io-card,
  .io-footer {
    border-radius: 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}