/* Domino Run — Appily Ninetysix help
   Fjalla One + Hind · flare magenta · tide blue · gold · cool field
   Standalone; not Cascade river / Punchcard / Chime / Hangrail / Solenoid / Louver */

:root {
  --dr-ink: #141828;
  --dr-field: #EAF4FF;
  --dr-field-deep: #D4E8FF;
  --dr-surface: #FFFFFF;
  --dr-flare: #FF008C;
  --dr-flare-deep: #D10072;
  --dr-tide: #0088FF;
  --dr-tide-deep: #006ED1;
  --dr-gold: #FFC700;
  --dr-mute: #3A4652;
  --dr-line: rgba(20, 24, 40, 0.12);
  --dr-line-strong: rgba(20, 24, 40, 0.28);
  --dr-ok: #12A36A;
  --font-dr-display: "Fjalla One", "Arial Narrow", sans-serif;
  --font-dr-body: "Hind", "Trebuchet MS", sans-serif;
  --dr-soft: cubic-bezier(0.22, 1, 0.36, 1);
  --dr-spring: cubic-bezier(0.22, 1.35, 0.36, 1);
  --dr-fast: 200ms var(--dr-soft);
}

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

html { scroll-behavior: smooth; }

body.dr-body {
  margin: 0;
  min-height: 100vh;
  color: var(--dr-ink);
  font-family: var(--font-dr-body);
  font-size: 16px;
  line-height: 1.55;
  background:
    radial-gradient(880px 500px at 100% -5%, rgba(255, 0, 140, 0.14), transparent 55%),
    radial-gradient(720px 460px at 0% 35%, rgba(0, 136, 255, 0.12), transparent 50%),
    radial-gradient(600px 400px at 55% 100%, rgba(255, 199, 0, 0.16), transparent 55%),
    linear-gradient(165deg, var(--dr-field) 0%, #F5FAFF 48%, var(--dr-field-deep) 100%);
  -webkit-font-smoothing: antialiased;
}

a { color: var(--dr-tide-deep); text-decoration: underline; text-underline-offset: 2px; }
a:hover { color: var(--dr-flare-deep); }
button { font: inherit; }

.dr-skip {
  position: absolute;
  left: 12px;
  top: -120px;
  z-index: 300;
  padding: 10px 14px;
  background: var(--dr-flare);
  color: #fff;
  font-family: var(--font-dr-display);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  border-radius: 2px;
}
.dr-skip:focus { top: 12px; }

/* ——— Dash hop nav ——— */
.dr-hop {
  position: sticky;
  top: 0;
  z-index: 70;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem clamp(1rem, 3vw, 2rem);
  background: rgba(20, 24, 40, 0.94);
  color: #fff;
  border-bottom: 3px solid var(--dr-flare);
  backdrop-filter: blur(12px);
}

.dr-hop-brand {
  display: inline-flex;
  align-items: baseline;
  gap: 0.45rem;
  color: #fff;
  text-decoration: none;
  border-radius: 2px;
}
.dr-hop-brand:hover { color: #fff; }
.dr-hop-brand:focus-visible {
  outline: 2px solid var(--dr-gold);
  outline-offset: 3px;
}
.dr-hop-brand strong {
  font-family: var(--font-dr-display);
  font-size: 1.4rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.dr-hop-brand span {
  font-family: var(--font-dr-display);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--dr-gold);
}

.dr-hop-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.2rem;
}
.dr-hop-links a {
  padding: 0.45rem 0.7rem;
  font-family: var(--font-dr-display);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.55);
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: 2px;
  transition: color var(--dr-fast), border-color var(--dr-fast), background var(--dr-fast);
}
.dr-hop-links a:hover,
.dr-hop-links a[aria-current="page"] {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.06);
}
.dr-hop-links a:focus-visible {
  outline: 2px solid var(--dr-gold);
  outline-offset: 2px;
}

/* ——— Mast + runway search ——— */
.dr-mast {
  padding: clamp(1.5rem, 4vw, 2.5rem) clamp(1rem, 3vw, 2rem) 1rem;
  max-width: 1100px;
  margin: 0 auto;
}
.dr-mast-kicker {
  margin: 0 0 0.35rem;
  font-family: var(--font-dr-display);
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--dr-flare-deep);
}
.dr-mast h1 {
  margin: 0 0 0.4rem;
  font-family: var(--font-dr-display);
  font-size: clamp(2.4rem, 6vw, 3.8rem);
  letter-spacing: 0.02em;
  line-height: 0.95;
  text-transform: uppercase;
}
.dr-mast-lede {
  margin: 0 0 1.25rem;
  max-width: 34rem;
  color: var(--dr-mute);
  font-size: 1.05rem;
}

.dr-runway {
  position: relative;
  display: grid;
  gap: 0.55rem;
  padding: 0.85rem 1rem 1rem;
  background: var(--dr-ink);
  color: #fff;
  border-radius: 2px;
  overflow: hidden;
  transition: box-shadow var(--dr-fast), transform var(--dr-fast);
}
.dr-runway.is-focused,
.dr-runway.is-live {
  box-shadow: 0 0 0 3px var(--dr-gold), 0 18px 36px rgba(255, 0, 140, 0.22);
}

.dr-runway-beam {
  position: absolute;
  left: 0;
  top: 0;
  height: 3px;
  width: 28%;
  background: linear-gradient(90deg, transparent, var(--dr-flare), var(--dr-tide), transparent);
  opacity: 0;
  transform: translateX(-40%);
  pointer-events: none;
}
.dr-runway.is-focused .dr-runway-beam,
.dr-runway.is-live .dr-runway-beam {
  opacity: 1;
  animation: drScan 1.4s var(--dr-soft) infinite;
}
@keyframes drScan {
  0% { transform: translateX(-40%); }
  100% { transform: translateX(380%); }
}

.dr-runway-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.65rem;
  align-items: end;
}
.dr-runway label {
  display: grid;
  gap: 0.3rem;
}
.dr-runway label span {
  font-family: var(--font-dr-display);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--dr-gold);
}
.dr-runway input[type="search"] {
  appearance: none;
  width: 100%;
  min-height: 2.9rem;
  padding: 0.55rem 0.85rem;
  font-family: var(--font-dr-body);
  font-size: 1.05rem;
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
  border: 1.5px solid rgba(255, 255, 255, 0.22);
  border-radius: 2px;
  outline: none;
  transition: border-color var(--dr-fast), background var(--dr-fast);
}
.dr-runway input::placeholder { color: rgba(255, 255, 255, 0.7); }
.dr-runway.is-focused input,
.dr-runway input:focus {
  border-color: var(--dr-flare);
  background: rgba(255, 0, 140, 0.12);
}
.dr-runway input:focus-visible {
  outline: 2px solid var(--dr-tide);
  outline-offset: 2px;
}

.dr-runway-meta {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  padding-bottom: 0.15rem;
}
.dr-hit-count {
  font-family: var(--font-dr-display);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--dr-tide);
}
.dr-clear {
  appearance: none;
  min-height: 2.4rem;
  padding: 0.35rem 0.85rem;
  font-family: var(--font-dr-display);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--dr-ink);
  background: var(--dr-gold);
  border: 0;
  border-radius: 2px;
  cursor: pointer;
  transform: translateX(8px);
  opacity: 0;
  transition: opacity var(--dr-fast), transform var(--dr-spring), background var(--dr-fast);
}
.dr-runway.is-live .dr-clear:not([hidden]) {
  opacity: 1;
  transform: translateX(0);
}
.dr-clear:hover { background: #ffe066; }
.dr-clear:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 2px;
}

.dr-empty {
  margin: 0;
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.7);
}

/* ——— Domino topics ——— */
.dr-dominos {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.65rem;
  padding: 0.25rem clamp(1rem, 3vw, 2rem) 1.5rem;
  max-width: 1100px;
  margin: 0 auto;
  perspective: 900px;
}

.dr-domino {
  appearance: none;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 0.35rem;
  min-height: 7.5rem;
  padding: 0.9rem 0.85rem;
  text-align: left;
  color: #fff;
  background: var(--dr-ink);
  border: 0;
  border-radius: 2px;
  cursor: pointer;
  transform-origin: bottom center;
  transform: rotateX(0deg) translateY(0);
  box-shadow: 0 10px 0 rgba(20, 24, 40, 0.18);
  transition:
    transform 420ms var(--dr-spring),
    box-shadow 280ms ease,
    filter 280ms ease,
    background 240ms ease;
}
.dr-domino::before {
  content: "";
  position: absolute;
  left: 0.75rem;
  right: 0.75rem;
  top: 0.75rem;
  height: 4px;
  border-radius: 2px;
  background: currentColor;
  opacity: 0.85;
}
.dr-domino small {
  font-family: var(--font-dr-display);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  opacity: 0.75;
}
.dr-domino strong {
  font-family: var(--font-dr-display);
  font-size: 1.15rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  line-height: 1.1;
}
.dr-domino[data-tone="all"] { --domino-face: var(--dr-ink); color: var(--dr-gold); background: var(--dr-ink); }
.dr-domino[data-tone="flare"] { background: var(--dr-flare-deep); color: #fff; }
.dr-domino[data-tone="tide"] { background: var(--dr-tide-deep); color: #fff; }
.dr-domino[data-tone="gold"] { background: var(--dr-gold); color: var(--dr-ink); }
.dr-domino[data-tone="ink"] { background: #243048; color: #fff; }

.dr-domino:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 0 rgba(20, 24, 40, 0.16);
}
.dr-domino.is-tipped {
  transform: rotateX(18deg) translateY(6px) scale(1.02);
  box-shadow: 0 4px 0 rgba(20, 24, 40, 0.2), 0 0 0 3px rgba(255, 199, 0, 0.55);
  z-index: 2;
  filter: none;
}
.dr-dominos:has(.dr-domino.is-tipped) .dr-domino:not(.is-tipped) {
  filter: grayscale(0.25) brightness(0.88);
  transform: rotateX(-6deg) translateY(2px);
}
.dr-domino:focus-visible {
  outline: 2px solid var(--dr-gold);
  outline-offset: 3px;
}

/* ——— Answer chapters / plates ——— */
.dr-shell {
  padding: 0 clamp(1rem, 3vw, 2rem) 6.5rem;
  max-width: 1100px;
  margin: 0 auto;
}

.dr-chapter {
  margin-bottom: 1.75rem;
}
.dr-chapter-head {
  margin-bottom: 0.75rem;
  padding-bottom: 0.55rem;
  border-bottom: 3px solid var(--dr-ink);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 8px), calc(100% - 16px) 100%, 0 100%);
}
.dr-chapter-head .stage {
  display: inline-block;
  margin-bottom: 0.25rem;
  font-family: var(--font-dr-display);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--dr-flare);
}
.dr-chapter-head h2 {
  margin: 0 0 0.25rem;
  font-family: var(--font-dr-display);
  font-size: clamp(1.4rem, 3vw, 1.85rem);
  letter-spacing: 0.03em;
  text-transform: uppercase;
  line-height: 1.05;
}
.dr-chapter-head p {
  margin: 0;
  color: var(--dr-mute);
}

.dr-plates {
  display: grid;
  gap: 0.55rem;
}

.dr-plate {
  background: var(--dr-surface);
  border: 1px solid var(--dr-line);
  border-radius: 2px;
  overflow: hidden;
  transition: border-color var(--dr-fast), box-shadow var(--dr-fast), transform var(--dr-fast);
}
.dr-plate.is-hit {
  border-color: var(--dr-tide);
  box-shadow: 0 0 0 2px rgba(0, 136, 255, 0.18);
}
.dr-plate.is-open {
  border-color: var(--dr-flare);
  box-shadow: 6px 8px 0 rgba(255, 0, 140, 0.12);
}

.dr-plate-q {
  appearance: none;
  width: 100%;
  display: grid;
  grid-template-columns: 3.2rem minmax(0, 1fr) 1.5rem;
  gap: 0.75rem;
  align-items: center;
  padding: 0.95rem 1rem;
  text-align: left;
  background: transparent;
  border: 0;
  cursor: pointer;
  color: inherit;
}
.dr-plate-q:focus-visible {
  outline: 2px solid var(--dr-tide);
  outline-offset: -2px;
}
.dr-plate-num {
  font-family: var(--font-dr-display);
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  color: var(--dr-tide);
}
.dr-plate.is-open .dr-plate-num { color: var(--dr-flare); }
.dr-plate-q strong {
  font-family: var(--font-dr-display);
  font-size: 1.05rem;
  font-weight: 400;
  letter-spacing: 0.02em;
  line-height: 1.25;
  text-transform: uppercase;
}
.dr-plate-chev {
  width: 12px;
  height: 12px;
  border-right: 2.5px solid var(--dr-mute);
  border-bottom: 2.5px solid var(--dr-mute);
  transform: rotate(45deg);
  transition: transform 280ms var(--dr-spring), border-color var(--dr-fast);
  justify-self: end;
}
.dr-plate.is-open .dr-plate-chev {
  transform: rotate(225deg);
  border-color: var(--dr-flare);
}

.dr-plate-a {
  padding: 0 1rem 1.05rem 4.95rem;
  color: var(--dr-mute);
  opacity: 0;
  position: relative;
}
.dr-plate-a::before {
  content: "";
  position: absolute;
  left: 1rem;
  top: 0;
  width: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--dr-flare), var(--dr-tide));
  transition: width 360ms var(--dr-soft);
}
.dr-plate.is-open .dr-plate-a::before { width: calc(100% - 2rem); }
.dr-plate-a a { font-weight: 600; }

/* ——— Contact ledge ——— */
.dr-ledge {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 60;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.85rem 1.25rem;
  padding: 0.85rem clamp(1rem, 3vw, 2rem);
  background: var(--dr-ink);
  color: #fff;
  border-top: 3px solid var(--dr-gold);
  clip-path: polygon(0 10px, 12px 0, calc(100% - 12px) 0, 100% 10px, 100% 100%, 0 100%);
}
.dr-ledge-copy strong {
  display: block;
  font-family: var(--font-dr-display);
  font-size: 1.05rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 0.15rem;
}
.dr-ledge-copy span {
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.9rem;
}
.dr-ledge-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.dr-btn,
a.dr-btn {
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.55rem;
  padding: 0.45rem 1.05rem;
  font-family: var(--font-dr-display);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  border: 2px solid transparent;
  border-radius: 2px;
  cursor: pointer;
  transition: transform var(--dr-fast), background var(--dr-fast), color var(--dr-fast), border-color var(--dr-fast);
}
.dr-btn:focus-visible {
  outline: 2px solid var(--dr-gold);
  outline-offset: 2px;
}
.dr-btn:active { transform: translateY(1px); }
.dr-btn--solid {
  background: var(--dr-flare);
  border-color: var(--dr-flare);
  color: #fff;
}
.dr-btn--solid:hover {
  background: var(--dr-flare-deep);
  border-color: var(--dr-ink);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 4px 4px 0 var(--dr-gold);
}
.dr-btn--ghost {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.55);
  color: #fff;
}
.dr-btn--ghost:hover {
  background: #fff;
  border-color: #fff;
  color: var(--dr-ink);
  transform: translateY(-2px);
}

.dr-colo {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem 1rem;
  padding: 1rem clamp(1rem, 3vw, 2rem) 5.5rem;
  max-width: 1100px;
  margin: 0 auto;
  font-family: var(--font-dr-display);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--dr-mute);
  border-top: 1px dashed var(--dr-line);
}
.dr-colo a {
  color: var(--dr-tide-deep);
  text-decoration: none;
}
.dr-colo a:hover { color: var(--dr-flare); }

@media (max-width: 900px) {
  .dr-dominos { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .dr-domino:nth-child(4),
  .dr-domino:nth-child(5) { min-height: 6.5rem; }
}

@media (max-width: 640px) {
  .dr-hop-links a:nth-child(n+4) { display: none; }
  .dr-dominos { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .dr-runway-row { grid-template-columns: 1fr; }
  .dr-plate-q {
    grid-template-columns: 2.4rem minmax(0, 1fr) 1.2rem;
    gap: 0.5rem;
  }
  .dr-plate-a { padding-left: 1rem; }
  .dr-ledge {
    clip-path: none;
    flex-direction: column;
    align-items: stretch;
  }
  .dr-ledge-actions { width: 100%; }
  .dr-ledge-actions .dr-btn { flex: 1; }
}

@media (prefers-reduced-motion: reduce) {
  .dr-runway-beam,
  .dr-domino,
  .dr-plate-chev,
  .dr-clear {
    animation: none !important;
    transition: none !important;
  }
  .dr-dominos:has(.dr-domino.is-tipped) .dr-domino:not(.is-tipped),
  .dr-domino.is-tipped,
  .dr-domino:hover {
    transform: none !important;
    filter: none !important;
  }
}