.fourth-countdown-page {
  min-height: 100vh;
}

#fireworksCanvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

.fourth-countdown-page .myHeader,
.fourth-countdown-page .myContent,
.fourth-countdown-page .myFooter {
  position: relative;
  z-index: 1;
}

.fourth-countdown-shell {
  width: 100%;
  max-width: 1120px;
  margin: 40px auto 58px;
  padding: 34px;
  background:
    linear-gradient(180deg, rgba(12, 25, 43, 0.94), rgba(5, 10, 19, 0.97)),
    rgba(7, 12, 24, 0.94);
  border: 1px solid rgba(0, 229, 255, 0.26);
  border-radius: 8px;
  box-shadow:
    0 18px 42px rgba(0, 0, 0, 0.42),
    0 0 34px rgba(0, 229, 255, 0.12),
    inset 0 1px 0 rgba(255, 255, 255, 0.06);
  color: #d7edf7;
  overflow: hidden;
}

.countdown-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(260px, 0.85fr);
  gap: 34px;
  align-items: center;
}

.countdown-copy {
  min-width: 0;
}

.countdown-kicker {
  margin: 0 0 12px;
  color: #00e5ff;
  font-size: 0.92rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  line-height: 1.4;
  text-transform: uppercase;
  text-shadow: 0 0 14px rgba(0, 229, 255, 0.34);
}

.countdown-copy h1 {
  margin: 0 0 18px;
  color: #f7fbff;
  font-size: clamp(2.1rem, 6vw, 4.6rem);
  line-height: 1.04;
  overflow-wrap: anywhere;
  text-shadow:
    0 0 18px rgba(0, 229, 255, 0.34),
    0 0 30px rgba(255, 45, 214, 0.24);
}

.countdown-intro {
  max-width: 620px;
  margin: 0;
  color: #c4d7e4;
  font-size: clamp(1rem, 2.2vw, 1.24rem);
  line-height: 1.65;
}

.union-art {
  display: block;
  width: min(100%, 380px);
  height: auto;
  margin: 0 auto;
  aspect-ratio: 1;
  object-fit: cover;
  border: 1px solid rgba(255, 45, 214, 0.32);
  border-radius: 8px;
  box-shadow:
    0 16px 36px rgba(0, 0, 0, 0.46),
    0 0 26px rgba(255, 45, 214, 0.16),
    0 0 18px rgba(0, 229, 255, 0.12);
}

.countdown-status {
  margin: 34px auto 18px;
  color: #cfe8f4;
  text-align: center;
  line-height: 1.5;
}

.countdown-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin: 0 auto 44px;
}

.countdown-unit {
  min-width: 0;
  min-height: 142px;
  padding: 22px 14px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: rgba(4, 8, 16, 0.64);
  border: 1px solid rgba(255, 45, 214, 0.25);
  border-radius: 8px;
  box-shadow:
    0 12px 28px rgba(0, 0, 0, 0.34),
    inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.countdown-number {
  color: #35f283;
  font-size: clamp(2.5rem, 7vw, 4.8rem);
  font-weight: 800;
  line-height: 1;
  text-shadow:
    0 0 20px rgba(29, 185, 84, 0.32),
    0 0 14px rgba(0, 229, 255, 0.12);
}

.countdown-label {
  margin-top: 10px;
  color: #b9cfdd;
  font-size: clamp(0.84rem, 2.1vw, 1.12rem);
  font-weight: 800;
  letter-spacing: 0;
  line-height: 1.2;
  text-transform: uppercase;
}

.fourth-complete {
  grid-column: 1 / -1;
  margin: 0;
  padding: 28px 20px;
  color: #f7fbff;
  font-size: clamp(1.55rem, 4.5vw, 3rem);
  font-weight: 800;
  line-height: 1.15;
  text-align: center;
  background: rgba(4, 8, 16, 0.68);
  border: 1px solid rgba(53, 242, 131, 0.36);
  border-radius: 8px;
  box-shadow:
    0 12px 28px rgba(0, 0, 0, 0.34),
    0 0 24px rgba(29, 185, 84, 0.16);
  text-shadow:
    0 0 18px rgba(0, 229, 255, 0.34),
    0 0 26px rgba(255, 45, 214, 0.24);
}

.music-sponsor {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(280px, 1.1fr);
  gap: 28px;
  align-items: center;
  padding-top: 30px;
  border-top: 1px solid rgba(0, 229, 255, 0.18);
}

.music-sponsor h2 {
  margin: 0 0 12px;
  color: #f7fbff;
  font-size: clamp(1.35rem, 3.2vw, 2.2rem);
  line-height: 1.16;
  overflow-wrap: anywhere;
  text-shadow: 0 0 18px rgba(255, 45, 214, 0.3);
}

.music-sponsor p {
  margin: 0 0 20px;
  color: #c4d7e4;
  line-height: 1.6;
}

.spotify-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 18px;
  color: #03110a;
  background: linear-gradient(135deg, #35f283, #00e5ff);
  border: 1px solid rgba(53, 242, 131, 0.72);
  border-radius: 8px;
  font-weight: 800;
  text-decoration: none;
  box-shadow:
    0 12px 28px rgba(29, 185, 84, 0.18),
    0 0 20px rgba(0, 229, 255, 0.12);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.spotify-link:hover,
.spotify-link:focus {
  color: #03110a;
  transform: translateY(-2px);
  box-shadow:
    0 14px 30px rgba(29, 185, 84, 0.26),
    0 0 26px rgba(0, 229, 255, 0.18);
}

.music-sponsor .spotify-embed {
  max-width: 600px;
  width: 100%;
  margin: 0 auto;
}

@media (max-width: 860px) {
  .fourth-countdown-shell {
    margin: 30px auto 46px;
    padding: 26px 18px;
  }

  .countdown-hero,
  .music-sponsor {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .countdown-intro {
    margin: 0 auto;
  }

  .union-art {
    width: min(100%, 320px);
  }

  .countdown-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }
}

@media (max-width: 520px) {
  .fourth-countdown-shell {
    padding: 22px 14px;
  }

  .countdown-copy h1 {
    font-size: 2.05rem;
  }

  .countdown-kicker {
    font-size: 0.78rem;
    letter-spacing: 0.1em;
  }

  .countdown-grid {
    grid-template-columns: 1fr;
  }

  .countdown-unit {
    min-height: 118px;
    padding: 18px 12px;
  }

  .countdown-number {
    font-size: 3rem;
  }

  .music-sponsor .spotify-embed {
    height: 280px;
  }
}