:root {
  /* Studio (landing) palette — canon: That's Cool design system tokens */
  --ink: #0a0a0a;
  --paper-studio: #f6f2e8;
  --acid-studio: #11ed32;
  /* Type — landing intentionally uses unfussy system faces */
  --sans-studio: Arial, Helvetica, sans-serif;
  --mono-studio: "Courier New", Courier, monospace;
  /* Motion */
  --ease-out: cubic-bezier(0.2, 0, 0, 1);
  --dur-fast: 160ms;
  --dur-med: 180ms;
  /* Background textures — quiet: felt, not seen first */
  --dots-studio:
    radial-gradient(circle at 1px 1px, rgba(10, 10, 10, 0.09) 1px, transparent 1.15px)
    0 0 / 20px 20px;
  --grain: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='0.035'/%3E%3C/svg%3E");
}

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

html {
  min-width: 320px;
  background: var(--paper-studio);
  color: var(--ink);
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  min-height: 100svh;
  margin: 0;
  overflow-x: hidden;
  background: var(--grain), var(--dots-studio), var(--paper-studio);
  font-family: var(--sans-studio);
}

img {
  display: block;
  max-width: 100%;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 24px;
  left: 24px;
  padding: 10px 14px;
  border-radius: 999px; /* canon exception: the skip-link pill */
  background: var(--ink);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-decoration: none;
  transform: translateY(-220%);
  transition: transform var(--dur-fast) var(--ease-out);
}

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

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.edge-note {
  position: absolute;
  z-index: 7;
  margin: 0;
  pointer-events: none;
  color: var(--ink);
  font-family: var(--mono-studio);
  font-size: 0.62rem;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0.12em;
}

.edge-note--top {
  top: 28px;
  left: 32px;
}

.edge-note--side {
  top: 50%;
  right: 22px;
  writing-mode: vertical-rl;
  transform: translateY(-50%);
}

.edge-note--sass {
  bottom: 28px;
  left: 32px;
}

.edge-note--bottom {
  right: 32px;
  bottom: 28px;
}

.page-shell {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  overflow: hidden;
  isolation: isolate;
}

.hero {
  position: absolute;
  z-index: 1;
  inset: 0;
  display: grid;
  place-items: center;
  pointer-events: none;
}

.hero-mark {
  position: relative;
  width: min(45vw, 54svh, 560px);
  min-width: 390px;
  animation: arrive 760ms var(--ease-out) both;
}

.hero-mark::after {
  position: absolute;
  z-index: -1;
  right: 8%;
  bottom: 10%;
  width: 72%;
  height: 18%;
  border-radius: 50%;
  background: rgba(17, 237, 50, 0.15);
  content: "";
  filter: blur(30px);
}

.hero-logo {
  width: 100%;
  height: auto;
  filter:
    drop-shadow(9px 10px 0 var(--acid-studio))
    drop-shadow(0 12px 18px rgba(32, 35, 37, 0.22));
  transform: rotate(-1.5deg);
}

/* Product stickers — scattered around the mark, every one slightly rotated */

.products {
  position: absolute;
  z-index: 2;
  inset: 0;
  pointer-events: none;
  animation: arrive 680ms 130ms var(--ease-out) both;
}

.sticker-slot {
  position: absolute;
  pointer-events: auto;
}

.sticker-slot--stride {
  top: 9%;
  left: 4%;
  width: min(30vw, 460px);
}

.sticker-slot--longish {
  top: 16%;
  right: 6%;
  width: min(17vw, 250px);
}

.sticker-slot--coolguy {
  z-index: 20;
  bottom: 14%;
  left: 13%;
  width: 150px;
  animation: arrive 680ms 260ms var(--ease-out) both;
}

.sticker {
  --base-rotation: 0deg;
  --counter-tilt: 2.5deg;
  --lift: 0px;
  appearance: none;
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--ink);
  cursor: grab;
  font: inherit;
  touch-action: none;
  transform:
    translate3d(var(--drag-x, 0px), calc(var(--drag-y, 0px) + var(--lift)), 0)
    rotate(calc(var(--base-rotation) + var(--tilt-shift, 0deg)));
  transform-origin: 50% 50%;
  transition: transform var(--dur-med) var(--ease-out), filter var(--dur-med) var(--ease-out);
  user-select: none;
  -webkit-user-drag: none;
  text-decoration: none;
  -webkit-tap-highlight-color: transparent;
}

.sticker img {
  width: 100%;
  height: auto;
  pointer-events: none;
}

.sticker--stride {
  --base-rotation: -5deg;
}

.sticker--longish {
  --base-rotation: 7deg;
  --counter-tilt: -2.5deg;
}

.sticker--coolguy {
  --base-rotation: -6deg;
}

/* Hover: lift 5px and counter-rotate toward level — the sticker wobble.
   Kept applied while dragging so the lift never snaps mid-gesture. */
@media (hover: hover) {
  .sticker:hover {
    --lift: -5px;
    --tilt-shift: var(--counter-tilt);
  }
}

.sticker:focus-visible {
  outline: 3px solid var(--ink);
  outline-offset: 5px;
}

.sticker[data-dragging="true"] {
  z-index: 9;
  cursor: grabbing;
  filter: drop-shadow(0 8px 8px rgba(0, 0, 0, 0.16));
  transition-duration: 0ms;
}

/* Cool Guy's comic speech bubble — follows him while dragged */

.bubble {
  position: absolute;
  z-index: 21;
  bottom: calc(148px - var(--drag-y, 0px));
  left: calc(92px + var(--drag-x, 0px));
  padding: 10px 14px;
  border: 2px solid var(--ink);
  background: #fff;
  box-shadow: 4px 4px 0 var(--ink);
  font: 700 12px/1 var(--mono-studio);
  letter-spacing: 0.08em;
  white-space: nowrap;
  transform: rotate(-2deg) scale(0);
  transform-origin: 0 100%;
  transition: transform 220ms var(--ease-out);
  pointer-events: none;
}

.bubble[data-open="true"] {
  transform: rotate(-2deg) scale(1);
}

.bubble-tail {
  position: absolute;
  bottom: -9px;
  left: 10px;
  width: 14px;
  height: 14px;
  border-right: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
  background: #fff;
  transform: rotate(45deg) skew(12deg, 12deg);
}

@keyframes arrive {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 640px) {
  .edge-note--top {
    top: 20px;
    left: 20px;
  }

  .edge-note--side {
    display: none;
  }

  .edge-note--sass {
    bottom: 20px;
    left: 20px;
    /* Leave room for the copyright on the shared baseline; wraps upward if tight. */
    max-width: calc(100vw - 180px);
  }

  .edge-note--bottom {
    right: 20px;
    bottom: 20px;
  }

  .hero-mark {
    width: min(78vw, 480px);
    min-width: 0;
  }

  .hero-logo {
    filter:
      drop-shadow(6px 7px 0 var(--acid-studio))
      drop-shadow(0 9px 14px rgba(32, 35, 37, 0.2));
  }

  .sticker-slot--stride {
    top: 6%;
    left: 3%;
    width: min(52vw, 320px);
  }

  .sticker-slot--longish {
    top: 15%;
    right: 4%;
    width: min(34vw, 185px);
  }

  .sticker-slot--coolguy {
    bottom: 15%;
    left: 8%;
    width: 112px;
  }

  .bubble {
    bottom: calc(112px - var(--drag-y, 0px));
    left: calc(64px + var(--drag-x, 0px));
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .hero-mark,
  .products,
  .sticker-slot--coolguy {
    animation: none;
  }

  .skip-link,
  .sticker,
  .bubble {
    transition-duration: 0.01ms;
  }
}