:root {
  --bg-1: #0f172a;
  --bg-2: #1f2937;
  --bg-3: #0b1020;
  --peach: #ffd6b0;
  --rose: #ff8fa3;
  --gold: #ffd166;
  --text: #fff7f2;
  --muted: #f9d9c4;
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  height: 100%;
}

body {
  margin: 0;
  overflow: hidden;
  color: var(--text);
  font-family: "ZCOOL XiaoWei", serif;
  background: radial-gradient(circle at 20% 20%, #2a3f57, transparent 35%),
    radial-gradient(circle at 80% 0%, #472847, transparent 30%),
    linear-gradient(135deg, var(--bg-1), var(--bg-2), var(--bg-3));
  background-size: 140% 140%;
  animation: bgShift 12s ease-in-out infinite alternate;
}

#sparkle {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  pointer-events: none;
}

.hero {
  position: relative;
  width: 100%;
  height: 100%;
  display: grid;
  place-items: center;
  z-index: 2;
  padding: 1.2rem;
}

.glow {
  position: absolute;
  border-radius: 999px;
  filter: blur(16px);
  opacity: 0.5;
  z-index: 1;
}

.glow-a {
  width: min(52vw, 380px);
  height: min(52vw, 380px);
  background: radial-gradient(circle, #ffbd8b, transparent 65%);
  top: 12%;
  left: 8%;
  animation: driftA 14s ease-in-out infinite;
}

.glow-b {
  width: min(46vw, 320px);
  height: min(46vw, 320px);
  background: radial-gradient(circle, #ff6f91, transparent 65%);
  bottom: 10%;
  right: 8%;
  animation: driftB 16s ease-in-out infinite;
}

.card {
  position: relative;
  z-index: 3;
  width: min(92vw, 760px);
  padding: clamp(1.8rem, 4vw, 3rem);
  text-align: center;
  border-radius: 30px;
  background: linear-gradient(
    160deg,
    rgba(255, 255, 255, 0.12),
    rgba(255, 255, 255, 0.05)
  );
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(9px);
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.35), 0 0 60px rgba(255, 170, 128, 0.12);
  animation: cardFloat 6s ease-in-out infinite;
}

.kicker {
  margin: 0;
  letter-spacing: 0.2em;
  color: var(--muted);
  font-size: clamp(0.7rem, 2vw, 0.92rem);
  opacity: 0.9;
}

.headline {
  margin: 0.65rem 0 0;
  font-family: "Playfair Display", serif;
  font-size: clamp(1.8rem, 5.2vw, 3.6rem);
  line-height: 1.18;
  font-weight: 700;
  text-shadow: 0 4px 26px rgba(255, 217, 194, 0.35);
}

.days {
  margin-top: 0.9rem;
  display: flex;
  justify-content: center;
  align-items: baseline;
  gap: 0.42em;
}

.days-number {
  font-family: "Playfair Display", serif;
  font-size: clamp(3.2rem, 14vw, 8rem);
  line-height: 1;
  font-weight: 700;
  background: linear-gradient(140deg, #ffffff, var(--peach) 44%, var(--gold));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-shadow: 0 0 36px rgba(255, 189, 139, 0.3);
  animation: numberPulse 2.4s ease-in-out infinite;
}

.days-text {
  font-size: clamp(1.2rem, 4vw, 2.6rem);
  color: #fff4ea;
}

.since {
  margin: 0.95rem 0 0;
  font-size: clamp(0.92rem, 2.5vw, 1.1rem);
  letter-spacing: 0.05em;
  color: rgba(255, 238, 220, 0.95);
}

@keyframes bgShift {
  from {
    background-position: 0% 0%;
  }
  to {
    background-position: 100% 100%;
  }
}

@keyframes cardFloat {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-6px);
  }
}

@keyframes numberPulse {
  0%,
  100% {
    transform: scale(1);
    filter: drop-shadow(0 0 0 rgba(255, 174, 120, 0.2));
  }
  50% {
    transform: scale(1.03);
    filter: drop-shadow(0 0 18px rgba(255, 174, 120, 0.48));
  }
}

@keyframes driftA {
  0%,
  100% {
    transform: translate(0, 0);
  }
  50% {
    transform: translate(25px, -20px);
  }
}

@keyframes driftB {
  0%,
  100% {
    transform: translate(0, 0);
  }
  50% {
    transform: translate(-24px, 16px);
  }
}

@media (max-width: 640px) {
  .card {
    border-radius: 24px;
    padding: 1.5rem 1.1rem;
  }

  .kicker {
    letter-spacing: 0.15em;
  }
}