:root {
  --bg-main: #06090d;
  --bg-panel: rgba(9, 14, 20, 0.78);
  --text-main: #f4f8fb;
  --accent: #16cad8;
  --accent-dark: #297b86;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100svh;
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  color: var(--text-main);
  background:
    radial-gradient(1000px 400px at 85% -20%, rgba(22, 202, 216, 0.2), transparent 60%),
    radial-gradient(900px 400px at -10% 120%, rgba(41, 123, 134, 0.35), transparent 60%),
    var(--bg-main);
}

.page {
  min-height: 100vh;
  min-height: 100svh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.hero {
  position: relative;
  overflow: hidden;
  width: min(100%, 720px);
  text-align: center;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 20px;
  background: var(--bg-panel);
  backdrop-filter: blur(6px);
  padding: clamp(28px, 5vw, 56px) clamp(18px, 4vw, 42px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
  animation: card-in 0.75s cubic-bezier(0.2, 0.8, 0.2, 1) both;
}

.hero::before {
  content: "";
  position: absolute;
  inset: -40% -20% auto auto;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(22, 202, 216, 0.28) 0%, rgba(22, 202, 216, 0) 70%);
  filter: blur(3px);
  will-change: transform;
  animation: aura-orbit 10s linear infinite 1.1s;
}

.hero > * {
  position: relative;
  z-index: 1;
}

.logo {
  display: block;
  width: clamp(200px, 62vw, 380px);
  height: auto;
  margin: 0 auto 28px;
  will-change: transform, opacity;
  animation:
    logo-in 0.9s cubic-bezier(0.2, 0.8, 0.2, 1) both 0.12s,
    logo-float 6.5s ease-in-out infinite 1.1s;
}

h1 {
  margin: 0;
  font-size: clamp(1.5rem, 5vw, 2.4rem);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  will-change: transform, opacity;
  animation:
    title-in 0.85s cubic-bezier(0.2, 0.8, 0.2, 1) both 0.24s,
    title-glow 4.8s ease-in-out infinite 1.4s;
}

@keyframes card-in {
  from {
    opacity: 0;
    transform: translateY(24px) scale(0.98);
  }

  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes logo-in {
  from {
    opacity: 0;
    transform: translateY(14px) scale(0.95);
  }

  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes logo-float {
  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-7px);
  }
}

@keyframes title-in {
  from {
    opacity: 0;
    transform: translateY(16px);
    letter-spacing: 0.08em;
  }

  to {
    opacity: 1;
    transform: translateY(0);
    letter-spacing: 0.04em;
  }
}

@keyframes title-glow {
  0%,
  100% {
    text-shadow: 0 0 0 rgba(22, 202, 216, 0);
  }

  50% {
    text-shadow: 0 0 18px rgba(22, 202, 216, 0.35);
  }
}

@keyframes aura-orbit {
  0%,
  100% {
    transform: translate(0, 0) scale(1);
  }

  12.5% {
    transform: translate(-10px, 16px) scale(1.03);
  }

  25% {
    transform: translate(-24px, 24px) scale(1.06);
  }

  37.5% {
    transform: translate(-38px, 16px) scale(1.03);
  }

  50% {
    transform: translate(-48px, 0) scale(1);
  }

  62.5% {
    transform: translate(-38px, -16px) scale(0.97);
  }

  75% {
    transform: translate(-24px, -24px) scale(0.94);
  }

  87.5% {
    transform: translate(-10px, -16px) scale(0.97);
  }
}

@media (max-width: 420px) {
  .hero {
    border-radius: 16px;
    padding: 24px 16px;
  }

  h1 {
    letter-spacing: 0.03em;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
  }
}