:root {
  --paper: #f7f7f5;
  --paper-strong: #ffffff;
  --ink: #110e08;
  --buy: #ccff00;
  --muted: #66665f;
  --rule: rgba(8, 8, 8, 0.88);
  --rule-soft: rgba(8, 8, 8, 0.22);
  --sans: "Hanken Grotesk", Arial, sans-serif;
  --mono: "Spline Sans Mono", ui-monospace, monospace;
  --page: min(1340px, calc(100% - 64px));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    linear-gradient(rgba(8, 8, 8, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(8, 8, 8, 0.045) 1px, transparent 1px),
    var(--paper);
  background-size: 72px 72px;
  color: var(--ink);
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0;
}

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

button {
  border: 0;
  border-radius: 0;
  background: none;
  color: inherit;
  cursor: pointer;
  font: inherit;
}

.site-header,
main,
footer {
  width: var(--page);
  margin-inline: auto;
}

.site-header {
  padding-top: 14px;
  background: var(--paper);
}

.header-line {
  min-height: 42px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  border-bottom: 1px solid var(--rule-soft);
}

.brand {
  font-family: var(--sans);
  font-size: 16px;
  font-weight: 900;
}

.chain {
  color: var(--muted);
  font-size: 11px;
  text-transform: uppercase;
}

.site-header nav {
  min-height: 56px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 32px;
  border-bottom: 1px solid var(--rule);
  color: var(--muted);
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
}

.site-header nav a {
  min-height: 56px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  border-bottom: 2px solid transparent;
}

.site-header nav a:hover,
.site-header nav a[aria-current="page"] {
  border-bottom-color: var(--ink);
  color: var(--ink);
}

main {
  background: rgba(247, 247, 243, 0.7);
}

.deck-intro {
  min-height: 300px;
  padding: 62px 32px 34px;
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(340px, 0.65fr);
  align-items: end;
  gap: 72px;
  border-bottom: 1px solid var(--rule);
}

.kicker {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 10px;
  text-transform: uppercase;
}

.deck-intro h1 {
  margin: 0;
  font-family: var(--sans);
  font-size: 90px;
  font-weight: 900;
  line-height: 0.82;
  text-transform: uppercase;
}

.deck-index > p {
  margin: 0;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--rule);
  font-family: var(--sans);
  font-size: 24px;
  font-weight: 900;
}

.deck-index dl {
  margin: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.deck-index dl > div {
  min-width: 0;
  min-height: 82px;
  padding: 14px;
  border-right: 1px solid var(--rule-soft);
}

.deck-index dl > div:last-child {
  border-right: 0;
}

.deck-index dt {
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 9px;
  text-transform: uppercase;
}

.deck-index dd {
  margin: 0;
  font-family: var(--sans);
  font-size: 31px;
  font-weight: 900;
  line-height: 1;
}

.reaction-library {
  padding: 40px 32px 64px;
  border-bottom: 1px solid var(--rule);
}

.reaction-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--rule);
  border-left: 1px solid var(--rule);
}

.reaction-card {
  min-width: 0;
  background: var(--paper-strong);
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.reaction-card > img {
  width: 100%;
  height: auto;
  display: block;
  aspect-ratio: 1;
  border-bottom: 1px solid var(--rule);
  background: var(--paper);
}

.reaction-meta {
  min-height: 86px;
  padding: 15px 16px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-bottom: 1px solid var(--rule-soft);
}

.reaction-meta span {
  color: var(--muted);
  font-size: 9px;
  text-transform: uppercase;
}

.reaction-meta h2 {
  margin: 0;
  font-family: var(--sans);
  font-size: 22px;
  font-weight: 900;
  line-height: 1;
  text-transform: uppercase;
}

.reaction-actions {
  min-height: 52px;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 1fr;
}

.reaction-actions button,
.reaction-actions a {
  min-width: 0;
  padding: 10px 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border-right: 1px solid var(--rule-soft);
  color: var(--muted);
  font-size: 9px;
  font-weight: 700;
  text-align: center;
  text-transform: uppercase;
}

.reaction-actions > :last-child {
  border-right: 0;
}

.reaction-actions button:hover,
.reaction-actions a:hover,
.reaction-actions button:focus-visible,
.reaction-actions a:focus-visible {
  outline: 0;
  background: var(--buy);
  color: var(--ink);
}

.grammar-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr)) minmax(190px, 0.9fr);
  border-left: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.grammar-strip > div,
.grammar-strip > a {
  min-width: 0;
  min-height: 110px;
  padding: 18px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-right: 1px solid var(--rule);
}

.grammar-strip span {
  color: var(--muted);
  font-size: 9px;
  text-transform: uppercase;
}

.grammar-strip strong {
  font-family: var(--sans);
  font-size: 20px;
  font-weight: 900;
  line-height: 1.05;
  text-transform: uppercase;
}

.grammar-strip > a {
  flex-direction: row;
  align-items: flex-end;
  background: var(--buy);
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
}

footer {
  min-height: 86px;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  color: var(--muted);
  font-size: 10px;
  text-transform: uppercase;
}

.toast {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 20;
  max-width: min(360px, calc(100% - 40px));
  padding: 13px 16px;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--paper);
  font-size: 10px;
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
  transition: opacity 150ms ease, transform 150ms ease;
}

.toast.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 980px) {
  :root {
    --page: min(100%, calc(100% - 34px));
  }

  .deck-intro {
    grid-template-columns: minmax(0, 1fr) minmax(290px, 0.75fr);
    gap: 36px;
  }

  .deck-intro h1 {
    font-size: 72px;
  }

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

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

  .grammar-strip > a {
    grid-column: span 2;
    min-height: 70px;
  }
}

@media (max-width: 620px) {
  :root {
    --page: min(100%, calc(100% - 24px));
  }

  body {
    background-size: 54px 54px;
  }

  .site-header {
    padding-top: 10px;
  }

  .header-line {
    min-height: 38px;
  }

  .brand {
    font-size: 14px;
  }

  .chain {
    font-size: 9px;
  }

  .site-header nav {
    min-height: 50px;
    justify-content: flex-start;
    gap: 20px;
    overflow-x: auto;
    scrollbar-width: none;
  }

  .site-header nav::-webkit-scrollbar {
    display: none;
  }

  .site-header nav a {
    min-height: 50px;
    flex: 0 0 auto;
  }

  .deck-intro {
    min-height: 0;
    padding: 42px 8px 30px;
    grid-template-columns: 1fr;
    align-items: start;
    gap: 32px;
  }

  .deck-intro h1 {
    font-size: 58px;
  }

  .deck-index > p {
    font-size: 19px;
  }

  .deck-index dl > div {
    min-height: 74px;
    padding: 12px 10px;
  }

  .deck-index dd {
    font-size: 26px;
  }

  .reaction-library {
    padding: 28px 8px 44px;
  }

  .reaction-grid {
    grid-template-columns: 1fr;
  }

  .reaction-meta {
    min-height: 78px;
  }

  .reaction-actions {
    min-height: 54px;
  }

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

  .grammar-strip > div {
    min-height: 96px;
  }

  .grammar-strip > a {
    grid-column: span 2;
  }

  footer {
    min-height: 100px;
    padding: 20px 8px;
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    gap: 8px;
  }
}