:root {
  --bg: rgb(249, 245, 244);
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  background: var(--bg);
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  overflow-x: hidden;
}

.page {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 5vh 5vw 12vh;
}

/* Logo */

.logo {
  position: relative;
  width: min(70vw, 70vh, 660px);
  aspect-ratio: 1 / 1;
  margin: 0 auto;
  background: var(--bg);
  overflow: hidden;
  --dur: 0.75s;
  --fi: 1;
  --mi: 1;
}

.logo__layer {
  position: absolute;
  user-select: none;
  pointer-events: none;
}

.logo__text {
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
}

.logo__fleck {
  transform-origin: 50% 50%;
  animation: ssFleck var(--dur) linear infinite;
}

.logo__flame {
  transform-origin: 50% 82%;
  animation: ssFlame var(--dur) linear infinite;
}

@keyframes ssFlame {
  0%    { transform: translateX(0) scaleX(1) scaleY(1) rotate(0deg); animation-timing-function: steps(1, end); }
  16.67%{ transform: translateX(calc(var(--fi) * -4px)) scaleX(calc(1 - var(--fi) * 0.04)) scaleY(calc(1 + var(--fi) * 0.055)) rotate(calc(var(--fi) * -2deg)); animation-timing-function: steps(1, end); }
  33.33%{ transform: translateX(calc(var(--fi) * 4px))  scaleX(calc(1 + var(--fi) * 0.045)) scaleY(calc(1 - var(--fi) * 0.04)) rotate(calc(var(--fi) * 2deg)); animation-timing-function: steps(1, end); }
  50%   { transform: translateX(calc(var(--fi) * -2px)) scaleX(calc(1 - var(--fi) * 0.02)) scaleY(calc(1 + var(--fi) * 0.035)) rotate(calc(var(--fi) * -1.2deg)); animation-timing-function: steps(1, end); }
  66.67%{ transform: translateX(calc(var(--fi) * 3px))  scaleX(calc(1 + var(--fi) * 0.03)) scaleY(calc(1 - var(--fi) * 0.025)) rotate(calc(var(--fi) * 1.3deg)); animation-timing-function: steps(1, end); }
  83.33%{ transform: translateX(calc(var(--fi) * -1px)) scaleX(calc(1 - var(--fi) * 0.012)) scaleY(calc(1 + var(--fi) * 0.018)) rotate(calc(var(--fi) * -0.6deg)); animation-timing-function: steps(1, end); }
  100%  { transform: translateX(0) scaleX(1) scaleY(1) rotate(0deg); }
}

@keyframes ssFleck {
  0%    { transform: translate(0, 0) rotate(0deg); opacity: 1; animation-timing-function: steps(1, end); }
  16.67%{ transform: translate(calc(var(--mi) * var(--dir) * 3px),  calc(var(--mi) * -5px))  rotate(calc(var(--dir) * 5deg));  opacity: .92; animation-timing-function: steps(1, end); }
  33.33%{ transform: translate(calc(var(--mi) * var(--dir) * -3px), calc(var(--mi) * -9px))  rotate(calc(var(--dir) * -4deg)); opacity: 1;   animation-timing-function: steps(1, end); }
  50%   { transform: translate(calc(var(--mi) * var(--dir) * 5px),  calc(var(--mi) * -13px)) rotate(calc(var(--dir) * 6deg));  opacity: .85; animation-timing-function: steps(1, end); }
  66.67%{ transform: translate(calc(var(--mi) * var(--dir) * -4px), calc(var(--mi) * -8px))  rotate(calc(var(--dir) * -3deg)); opacity: 1;   animation-timing-function: steps(1, end); }
  83.33%{ transform: translate(calc(var(--mi) * var(--dir) * 2px),  calc(var(--mi) * -4px))  rotate(calc(var(--dir) * 3deg));  opacity: .95; animation-timing-function: steps(1, end); }
  100%  { transform: translate(0, 0) rotate(0deg); opacity: 1; }
}

/* Bubble */

.bubble {
  position: fixed;
  right: clamp(16px, 4vw, 36px);
  bottom: clamp(16px, 4vh, 36px);
  width: clamp(48px, 8vw, 72px);
  height: clamp(48px, 8vw, 72px);
  border-radius: 50%;
  background: #ffffff;
  border: none;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12), 0 1px 4px rgba(0, 0, 0, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  overflow: visible;
  transition: transform 0.12s ease;
  z-index: 10;
}

.bubble:active {
  transform: scale(0.9);
}

.bubble__emoji {
  font-size: clamp(22px, 3.6vw, 34px);
  line-height: 1;
  user-select: none;
}

/* Pepper burst particles — rendered in their own fixed layer so they
   never inherit the button's click/scale transform */

.pepper-layer {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9;
}

.pepper-particle {
  position: fixed;
  font-size: clamp(16px, 2.6vw, 26px);
  pointer-events: none;
  will-change: transform, opacity;
  animation: pepperBurst var(--burst-dur, 0.9s) ease-out forwards;
}

@keyframes pepperBurst {
  0% {
    transform: translate(-50%, -50%) translate(0, 0) scale(0.6) rotate(0deg);
    opacity: 1;
  }
  100% {
    transform: translate(-50%, -50%) translate(var(--tx), var(--ty)) scale(1.1) rotate(var(--rot));
    opacity: 0;
  }
}

/* Large screens / TV */
@media (min-width: 1600px) {
  .logo {
    width: min(45vw, 60vh, 660px);
  }
}

/* Small phones */
@media (max-width: 420px) {
  .page {
    padding: 4vh 6vw 16vh;
  }
  .logo {
    width: min(82vw, 82vh, 660px);
  }
}