:root {
  --page-gap: clamp(18px, 3vw, 40px);
  --card-radius: 6px;
  --card-bg: rgba(7, 7, 10, 0.72);
  --card-line: rgba(255, 255, 255, 0.12);
  --card-shadow: 0 28px 80px rgba(0, 0, 0, 0.42);
  --text-main: rgba(255, 255, 255, 0.98);
  --display-font: "Bahnschrift Condensed", "DIN Alternate", "Avenir Next Condensed",
    "Arial Narrow", "Helvetica Neue", sans-serif;
  --quote-font: "Times New Roman", Times, serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  min-height: 100vh;
  min-height: 100dvh;
  overflow: hidden;
  font-family: var(--display-font);
  user-select: none;
  -webkit-user-select: none;
  background:
    radial-gradient(circle at center, rgba(255, 255, 255, 0.7) 0, rgba(255, 255, 255, 0.22) 17%, transparent 40%),
    #f4ecf3;
}

.background-stage {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
  background:
    radial-gradient(circle at center, rgba(255, 255, 255, 0.56) 0, rgba(255, 255, 255, 0.16) 18%, transparent 46%),
    linear-gradient(180deg, #fff8f8 0%, #f6effd 100%);
}

.spiral-bg {
  position: absolute;
  top: 50%;
  left: 50%;
  width: max(150vw, 150vh);
  height: max(150vw, 150vh);
  transform: translate(-50%, -50%);
  transform-origin: center;
  animation: spiral-rotate 72s linear infinite;
}

@keyframes spiral-rotate {
  from {
    transform: translate(-50%, -50%) rotate(0deg);
  }

  to {
    transform: translate(-50%, -50%) rotate(360deg);
  }
}

.page-shell {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  min-height: 100dvh;
  padding: var(--page-gap);
  display: grid;
  place-items: center;
}

.hero-card {
  position: relative;
  width: min(100%, 560px);
  aspect-ratio: 1;
  padding: clamp(28px, 5vw, 52px);
  overflow: hidden;
  border: 1px solid var(--card-line);
  border-radius: var(--card-radius);
  background:
    linear-gradient(180deg, rgba(15, 15, 20, 0.78) 0%, rgba(0, 0, 0, 0.72) 100%);
  box-shadow: var(--card-shadow);
  backdrop-filter: blur(18px);
}

.hero-content {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-title {
  position: absolute;
  top: 50%;
  left: 50%;
  margin: 0;
  width: calc(100% - clamp(40px, 8vw, 72px));
  color: var(--text-main);
  font-family: var(--display-font);
  font-size: clamp(74px, 16vw, 160px);
  font-weight: 800;
  line-height: 0.9;
  letter-spacing: 0.04em;
  text-align: center;
  text-transform: uppercase;
  text-shadow: 0 0 30px rgba(255, 255, 255, 0.1);
  transform: translate(-50%, -50%);
}

.hero-quote {
  position: absolute;
  left: 50%;
  bottom: clamp(28px, 5vw, 44px);
  width: min(100%, 340px);
  margin: 0;
  color: rgba(255, 255, 255, 0.82);
  font-family: var(--quote-font);
  font-size: clamp(11px, 1.05vw, 14px);
  line-height: 1.45;
  letter-spacing: 0.03em;
  text-align: center;
  text-wrap: balance;
  transform: translateX(-50%);
}

@media (max-width: 640px) {
  .hero-card {
    width: min(100%, 88vw);
  }

  .hero-title {
    width: calc(100% - 32px);
    font-size: clamp(58px, 18vw, 110px);
    letter-spacing: 0.03em;
  }

  .hero-quote {
    width: min(100%, 280px);
    font-size: clamp(10px, 2.8vw, 12px);
  }
}