/* Hero Section Styles */
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  align-items: center;
  gap: clamp(1rem, 2vw, 1.5rem);
  padding-top: clamp(160px, 18vh, 200px);
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.hero-title {
  font-size: clamp(2.4rem, 4vw, 3.4rem);
  line-height: 1.08;
  font-weight: 700;
  letter-spacing: -0.02em;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.08em;
}

.hero-title-line {
  display: block;
  white-space: nowrap;
}

.hero-title .accent {
  color: var(--color-accent);
}

.hero-description {
  font-size: 1.15rem;
  color: var(--color-text-secondary);
  max-width: 34rem;
}

.hero-footnote {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* Hero Visual */
.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(1rem, 3vw, 2rem) 0;
  overflow: visible;
  cursor: pointer;
}

.visual-card {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: min(460px, 100%);
  min-height: clamp(360px, 40vw, 500px);
  overflow: visible;
  cursor: default;
}

/* Play/Pause Button Overlay */
.play-pause-overlay {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 10;
  pointer-events: none;
}

.play-pause-button {
  width: 180px;
  height: 180px;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.play-pause-button .button-bg {
  backdrop-filter: blur(12px);
}

.play-pause-button .pause-icon,
.play-pause-button .play-icon {
  transition: opacity 0.3s ease;
}

/* Default state - hide all icons */
.play-pause-button .pause-icon {
  opacity: 0;
}

.play-pause-button .play-icon {
  opacity: 0;
}

/* Paused state: show pause icon and button (only after first transition) */
.has-transitioned[data-playing="false"] .play-pause-overlay .play-pause-button {
  opacity: 1;
  animation: none !important;
}

.has-transitioned[data-playing="false"] .play-pause-button .pause-icon {
  opacity: 1;
  transition: none;
}

.has-transitioned[data-playing="false"] .play-pause-button .play-icon {
  opacity: 0;
  transition: none;
}

/* Playing state: show play icon briefly, then fade out entire button (only after first transition) */
.has-transitioned[data-playing="true"] .play-pause-overlay .play-pause-button {
  opacity: 1;
  animation: fadeOutImmediately 0.6s ease forwards;
}

.has-transitioned[data-playing="true"] .play-pause-button .pause-icon {
  opacity: 0;
}

.has-transitioned[data-playing="true"] .play-pause-button .play-icon {
  opacity: 1;
}

/* Fade out animation */
@keyframes fadeOutImmediately {
  0% {
    opacity: 1;
  }
  100% {
    opacity: 0;
  }
}

/* Candlesticks Styles */
.candles {
  width: min(520px, 100%);
  height: auto;
  display: block;
  pointer-events: none;
  filter: none;
}

.candles .motion {
  transform-box: fill-box;
  transform-origin: 50% 100%;
  animation: candleFloat var(--t1, 3.5s) ease-in-out infinite;
}

.candles .body {
  transform-box: fill-box;
  transform-origin: 50% 100%;
  animation: candleBreath var(--t2, 4.5s) ease-in-out infinite;
}

.candles .body .front {
  fill: url(#candleFront);
}

.candles .body .side {
  fill: url(#candleSide);
}

.candles .body .top {
  fill: url(#candleTop);
}

.candles .body .highlight {
  fill: url(#candleHighlight);
  opacity: 0.55;
}

.candles .wicks .wick {
  fill: url(#wickFill);
  opacity: 0.7;
}

.candles .wicks .wick--bottom {
  opacity: 0.52;
}

.candles .texture {
  mix-blend-mode: screen;
  opacity: 0.18;
}

/* Animation Control */
[data-playing="false"] .candles .motion,
[data-playing="false"] .candles .body,
[data-playing="false"] .candles .wick--top {
  animation-play-state: paused;
}

/* Keyframe Animations */
@keyframes candleFloat {
  0%, 100% {
    transform: translateY(0);
  }
  25% {
    transform: translateY(-12px);
  }
  50% {
    transform: translateY(-18px);
  }
  75% {
    transform: translateY(-12px);
  }
}

@keyframes candleBreath {
  0%, 100% {
    transform: scaleY(0.96) scaleX(1.01);
    opacity: 0.9;
  }
  50% {
    transform: scaleY(1.18) scaleX(0.99);
    opacity: 1;
  }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
  .hero-visual,
  .visual-card {
    cursor: default;
  }

  .candles .motion,
  .candles .body,
  .candles .wick--top,
  .candles .wick--top .wick-motion {
    animation: none !important;
  }
}