:root {
  --ink: 43 30 46;
  --paper: 255 246 238;

  --ease-out-expo: cubic-bezier(0.19, 1, 0.22, 1);
  --ease-out-quad: cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  font-family: 'Space Grotesk', system-ui, sans-serif;
  color: rgb(var(--ink));
  background: radial-gradient(120% 100% at 15% 0%, #ffe3c7 0%, #ffd3e0 42%, #d8c3f5 100%);
  overflow-x: hidden;
}

.stage {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 3rem 1.5rem;
  isolation: isolate;
}

.glow {
  position: absolute;
  inset: 0;
  z-index: -1;
  background: radial-gradient(45% 35% at 50% 38%, rgb(255 255 255 / 0.55) 0%, transparent 70%);
  pointer-events: none;
}

.eyebrow {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgb(var(--ink) / 0.55);
  margin-bottom: 1.75rem;
}

/* ---------- Draggable digits ---------- */
.digits {
  display: flex;
  gap: clamp(0.75rem, 3vw, 1.5rem);
  margin-bottom: 1rem;
  touch-action: none;
}

.digit {
  --hue: 18;
  width: clamp(76px, 16vw, 132px);
  height: clamp(76px, 16vw, 132px);
  border-radius: 28%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: hsl(var(--hue) 88% 62%);
  box-shadow:
    inset 0 3px 0 hsl(var(--hue) 90% 78% / 0.8),
    inset 0 -10px 18px hsl(var(--hue) 80% 35% / 0.35),
    0 22px 34px -14px hsl(var(--hue) 70% 40% / 0.55);
  cursor: grab;
  user-select: none;
  -webkit-user-select: none;
  touch-action: none;
  will-change: transform;
}

/* El flotado idle vive en un hijo, nunca en .digit: .digit es el que JS
   arrastra escribiendo su transform directamente, y una animación CSS de
   transform en el MISMO elemento le ganaría al estilo inline (las animaciones
   tienen más prioridad en la cascada que un inline-style, incluso pausadas) —
   eso era lo que hacía que el drag pareciera no moverse. */
.digit-face {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  font-size: clamp(2.2rem, 7vw, 4rem);
  font-weight: 700;
  color: white;
  animation: float 4.5s ease-in-out infinite;
}

.digit--a .digit-face {
  animation-delay: 0s;
}
.digit--b .digit-face {
  animation-delay: 0.4s;
  animation-duration: 5.2s;
}
.digit--c .digit-face {
  animation-delay: 0.8s;
  animation-duration: 4.8s;
}

.digit.is-dragging {
  cursor: grabbing;
  box-shadow:
    inset 0 3px 0 hsl(var(--hue) 90% 78% / 0.8),
    inset 0 -10px 18px hsl(var(--hue) 80% 35% / 0.35),
    0 30px 44px -14px hsl(var(--hue) 70% 35% / 0.65);
}

.digit.is-dragging .digit-face {
  animation-play-state: paused;
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0) rotate(-2deg);
  }
  50% {
    transform: translateY(-6px) rotate(2deg);
  }
}

@media (prefers-reduced-motion: reduce) {
  .digit-face {
    animation: none;
  }
}

@media (hover: hover) and (pointer: fine) {
  .digit:hover .digit-face {
    animation-play-state: paused;
  }
}

.hint {
  font-size: 0.82rem;
  color: rgb(var(--ink) / 0.45);
  margin-bottom: 2.5rem;
}

h1 {
  font-size: clamp(1.7rem, 5vw, 2.5rem);
  font-weight: 700;
  margin-bottom: 0.75rem;
  max-width: 20ch;
}

.lede {
  font-size: 1.05rem;
  color: rgb(var(--ink) / 0.6);
  max-width: 34ch;
  margin-bottom: 2.25rem;
  line-height: 1.6;
}

.btn-home {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.9rem 1.85rem;
  background: rgb(var(--ink));
  color: rgb(var(--paper));
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: 999px;
  transition:
    transform 200ms var(--ease-out-quad),
    box-shadow 200ms ease;
  box-shadow: 0 14px 26px -12px rgb(var(--ink) / 0.5);
}

@media (hover: hover) and (pointer: fine) {
  .btn-home:hover {
    transform: scale(1.03);
    box-shadow: 0 18px 32px -12px rgb(var(--ink) / 0.55);
  }
}

.btn-home:active {
  transform: scale(0.97);
}

.btn-arrow {
  transition: transform 200ms var(--ease-out-quad);
}

.btn-home:hover .btn-arrow {
  transform: translateX(3px);
}