:root {
  --bg: #fffaf0;
  --ink: #17130d;
  --muted: rgba(23, 19, 13, 0.54);
  --line: rgba(32, 26, 18, 0.14);
  --chip: #ffd26a;
  --chip-deep: #f6b93b;
  --blue: #26a7e0;
  --green: #149979;
  --coral: #ef7766;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  overflow: hidden;
  background: var(--bg);
  color: var(--ink);
  font-family: "Noto Sans KR", "Malgun Gothic", sans-serif;
}

button {
  color: inherit;
  font: inherit;
}

.intro-shell {
  position: relative;
  min-height: 100svh;
  overflow: hidden;
  isolation: isolate;
  background:
    radial-gradient(circle at 18% 22%, rgba(38, 167, 224, 0.16), transparent 24%),
    radial-gradient(circle at 78% 74%, rgba(20, 153, 121, 0.12), transparent 24%),
    linear-gradient(180deg, #fff3d4 0%, #fffaf0 62%, #fff7e6 100%);
}

.ball-field {
  position: absolute;
  inset: 0;
  z-index: 1;
  overflow: hidden;
  pointer-events: none;
}

.avatar-ball {
  position: absolute;
  width: var(--ball-size, 132px);
  height: var(--ball-size, 132px);
  border-radius: 50%;
  object-fit: cover;
  box-shadow:
    0 18px 38px rgba(73, 52, 25, 0.12),
    0 0 0 7px rgba(255, 255, 255, 0.54);
  will-change: transform;
}

.intro-shell::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    radial-gradient(circle at center, rgba(255, 250, 240, 0.18) 0 24%, rgba(255, 250, 240, 0.06) 52%, rgba(255, 250, 240, 0.36) 100%),
    linear-gradient(180deg, rgba(255, 250, 240, 0.03), rgba(255, 250, 240, 0.18));
  pointer-events: none;
}


.enter-stage {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 3;
  display: grid;
  justify-items: center;
  width: min(88vw, 960px);
  text-align: center;
  transform: translate(-50%, -50%);
}

.logo-title {
  display: grid;
  place-items: center;
  /* LOCKED: user approved this logo size. Do not change without explicit request. */
  width: min(35vw, 447px);
  margin: 0;
}

.logo-title img {
  display: block;
  width: 100%;
  height: auto;
  filter:
    drop-shadow(0 22px 46px rgba(73, 52, 25, 0.13))
    drop-shadow(0 0 24px rgba(255, 255, 255, 0.76));
}

.enter-button {
  position: relative;
  display: grid;
  grid-template-rows: 1fr auto;
  align-items: center;
  justify-content: center;
  gap: 5px;
  /* LOCKED: user approved this CLICK button size. Do not change without explicit request. */
  width: clamp(86px, 9vw, 112px);
  height: clamp(86px, 9vw, 112px);
  margin-top: 28px;
  padding: 15px 0 12px;
  border: 1px solid rgba(246, 185, 59, 0.58);
  border-radius: 50%;
  background:
    linear-gradient(135deg, rgba(255, 230, 142, 0.96), rgba(246, 185, 59, 0.96));
  color: #17130d;
  cursor: pointer;
  box-shadow: 0 16px 34px rgba(246, 185, 59, 0.28);
  transition: transform 200ms ease, box-shadow 200ms ease;
}

.enter-button::before {
  content: "";
  position: absolute;
  inset: -6px;
  border: 1px solid rgba(246, 185, 59, 0.24);
  border-radius: inherit;
}

.enter-button span {
  line-height: 1;
}

.mic-image {
  display: block;
  width: clamp(38px, 4.8vw, 56px);
  height: auto;
  margin: 0 auto;
}

.click-label {
  font-family: "Bebas Neue", sans-serif;
  font-size: clamp(17px, 2.2vw, 24px);
  letter-spacing: 0;
}

.enter-button:hover {
  box-shadow: 0 20px 42px rgba(246, 185, 59, 0.38);
  transform: translateY(-2px);
}

.intro-footer {
  position: absolute;
  right: 40px;
  bottom: 30px;
  z-index: 4;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

@media (max-width: 760px) {
  .intro-footer {
    right: 0;
    left: 0;
    text-align: center;
  }

  .logo-title {
    /* LOCKED: mobile logo size paired with approved desktop size. */
    width: min(44vw, 284px);
  }

  .avatar-ball {
    box-shadow:
      0 12px 26px rgba(73, 52, 25, 0.12),
      0 0 0 5px rgba(255, 255, 255, 0.54);
  }
}
