:root {
  color-scheme: dark;
  --blue: #0057b7;
  --blue-deep: #003c82;
  --gold: #ffd700;
  --gold-soft: #ffe87a;
  --ink: #fffaf0;
  --shadow: #06101f;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--blue);
}

body {
  min-height: 100vh;
  margin: 0;
  overflow: hidden;
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 50% 42%, rgba(255, 255, 255, 0.2), transparent 19rem),
    linear-gradient(180deg, var(--blue) 0 50%, var(--gold) 50% 100%);
}

body::before {
  position: fixed;
  inset: 0;
  content: "";
  pointer-events: none;
  background:
    linear-gradient(120deg, transparent 0 44%, rgba(255, 255, 255, 0.28) 49%, transparent 54%),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.1) 0 1px, transparent 1px 42px),
    repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.08) 0 1px, transparent 1px 42px);
  mix-blend-mode: soft-light;
  opacity: 0.52;
}

body::after {
  position: fixed;
  inset: 0;
  content: "";
  pointer-events: none;
  background:
    radial-gradient(circle at 50% 50%, transparent 0 38%, rgba(0, 0, 0, 0.22) 78%),
    linear-gradient(180deg, rgba(0, 20, 64, 0.12), rgba(111, 81, 0, 0.12));
}

.sky {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 28% 30%, rgba(255, 215, 0, 0.28) 0 0.24rem, transparent 0.3rem),
    radial-gradient(circle at 74% 26%, rgba(255, 255, 255, 0.36) 0 0.12rem, transparent 0.18rem),
    radial-gradient(circle at 63% 72%, rgba(0, 87, 183, 0.28) 0 0.2rem, transparent 0.27rem),
    radial-gradient(circle at 18% 82%, rgba(255, 255, 255, 0.22) 0 0.12rem, transparent 0.18rem);
  filter: drop-shadow(0 0 18px rgba(255, 255, 255, 0.35));
}

.grain {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background-image:
    radial-gradient(circle at 30% 20%, rgba(255, 255, 255, 0.13) 0 1px, transparent 1px),
    radial-gradient(circle at 80% 70%, rgba(0, 0, 0, 0.1) 0 1px, transparent 1px);
  background-size: 3px 3px, 5px 5px;
  opacity: 0.22;
}

.stage {
  position: relative;
  z-index: 2;
  display: grid;
  min-height: 100vh;
  padding: clamp(1.5rem, 4vw, 4rem);
  place-items: center;
}

.name-mark {
  position: relative;
  display: grid;
  gap: clamp(0.8rem, 2vw, 1.2rem);
  place-items: center;
  text-align: center;
}

.name-mark::before {
  position: absolute;
  inset: 50% auto auto 50%;
  width: min(68vw, 34rem);
  aspect-ratio: 1;
  content: "";
  border: 1px solid rgba(255, 250, 240, 0.32);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  box-shadow:
    0 0 0 1.4rem rgba(0, 87, 183, 0.08),
    0 0 0 2.9rem rgba(255, 215, 0, 0.08),
    0 0 6rem rgba(255, 250, 240, 0.25);
}

.quiet {
  position: relative;
  margin: 0;
  color: rgba(255, 250, 240, 0.76);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: clamp(0.68rem, 1.7vw, 0.86rem);
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

h1 {
  position: relative;
  margin: 0;
  color: var(--ink);
  font-size: clamp(4.5rem, 18vw, 13.5rem);
  font-weight: 900;
  line-height: 0.78;
  letter-spacing: 0;
  text-shadow:
    0 0.05em 0 rgba(0, 87, 183, 0.42),
    0 -0.05em 0 rgba(255, 215, 0, 0.46),
    0 1.5rem 4rem rgba(6, 16, 31, 0.32);
}

.line {
  position: relative;
  width: min(72vw, 28rem);
  height: 0.25rem;
  border-radius: 999px;
  background: linear-gradient(90deg, transparent, var(--blue), var(--gold), transparent);
  box-shadow: 0 0 2rem rgba(255, 250, 240, 0.3);
}

.cursor {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  width: 1.4rem;
  height: 1.4rem;
  pointer-events: none;
  border: 2px solid var(--ink);
  border-radius: 50%;
  opacity: 0;
  transform: translate(-50%, -50%);
  transition: opacity 160ms ease, width 160ms ease, height 160ms ease;
  box-shadow:
    0 0 0 0.45rem rgba(0, 87, 183, 0.28),
    0 0 0 0.82rem rgba(255, 215, 0, 0.2),
    0 0 2rem rgba(255, 250, 240, 0.5);
}

.has-cursor {
  cursor: none;
}

.has-cursor .cursor {
  opacity: 1;
}

.trail {
  position: fixed;
  inset: 0;
  z-index: 19;
  pointer-events: none;
}

.hearts {
  position: fixed;
  inset: 0;
  z-index: 18;
  pointer-events: none;
  overflow: hidden;
}

.trail span {
  position: absolute;
  width: 0.42rem;
  height: 0.42rem;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  animation: spark 900ms ease-out forwards;
}

.trail .blue {
  background: var(--blue);
  box-shadow: 0 0 1rem rgba(0, 87, 183, 0.7);
}

.trail .gold {
  background: var(--gold);
  box-shadow: 0 0 1rem rgba(255, 215, 0, 0.7);
}

.hearts span {
  position: absolute;
  display: block;
  font-family: "Times New Roman", Georgia, serif;
  font-weight: 900;
  line-height: 1;
  opacity: 0;
  transform: translate(-50%, -50%) scale(0.25) rotate(0deg);
  animation: heart-burst 1450ms cubic-bezier(0.16, 0.82, 0.22, 1) var(--delay) forwards;
  will-change: transform, opacity, filter;
}

.heart-blue {
  color: var(--blue);
  text-shadow:
    0 0 0.45rem rgba(255, 250, 240, 0.75),
    0 0 1.4rem rgba(0, 87, 183, 0.9),
    0 0 2.8rem rgba(0, 87, 183, 0.45);
}

.heart-gold {
  color: var(--gold);
  text-shadow:
    0 0 0.45rem rgba(255, 250, 240, 0.7),
    0 0 1.4rem rgba(255, 215, 0, 0.9),
    0 0 2.8rem rgba(255, 215, 0, 0.45);
}

.heart-light {
  color: #fff6d8;
  text-shadow:
    0 0 0.45rem rgba(255, 215, 0, 0.9),
    0 0 1.4rem rgba(0, 87, 183, 0.75),
    0 0 2.8rem rgba(255, 250, 240, 0.5);
}

@keyframes spark {
  to {
    opacity: 0;
    transform: translate(calc(-50% + var(--drift-x)), calc(-50% + var(--drift-y))) scale(0.2);
  }
}

@keyframes heart-burst {
  0% {
    opacity: 0;
    filter: blur(0.4rem);
    transform: translate(-50%, -50%) scale(0.18) rotate(0deg);
  }

  12% {
    opacity: 1;
    filter: blur(0);
    transform: translate(-50%, -50%) scale(1.35) rotate(calc(var(--spin) * 0.14));
  }

  62% {
    opacity: 0.95;
    transform:
      translate(calc(-50% + var(--x) * 0.82), calc(-50% + var(--y) * 0.72))
      scale(1)
      rotate(calc(var(--spin) * 0.74));
  }

  100% {
    opacity: 0;
    filter: blur(0.08rem);
    transform:
      translate(calc(-50% + var(--x)), calc(-50% + var(--y) - 120px))
      scale(0.18)
      rotate(var(--spin));
  }
}

@media (max-width: 620px) {
  .stage {
    min-height: 100svh;
  }

  h1 {
    font-size: clamp(4rem, 25vw, 7rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
  }
}