* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  min-height: 100%;
  font-family: Arial, Helvetica, sans-serif;
  background: #0f172a;
  color: #ffffff;
  overflow-x: hidden;
}

body {
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(circle at top left, rgba(59, 130, 246, 0.35), transparent 35%),
    radial-gradient(circle at bottom right, rgba(14, 165, 233, 0.25), transparent 35%),
    linear-gradient(135deg, #020617 0%, #0f172a 45%, #111827 100%);
}

.page {
  width: 100%;
  min-height: 100vh;
  min-height: 100svh;
  display: grid;
  grid-template-rows: 1fr auto;
  align-items: center;
  justify-content: center;
  gap: 24px;
  padding: clamp(20px, 4vw, 40px);
  position: relative;
}

.card {
  width: min(920px, 100%);
  min-height: clamp(340px, 56svh, 480px);
  padding: clamp(32px, 6vw, 56px);
  border-radius: clamp(20px, 4vw, 32px);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  backdrop-filter: blur(18px);
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.45);
  display: flex;
  flex-direction: column;
  justify-content: center;
  text-align: center;
  position: relative;
  z-index: 2;
}

.badge {
  align-self: center;
  margin-bottom: 28px;
  padding: 10px 18px;
  border-radius: 999px;
  background: rgba(59, 130, 246, 0.16);
  border: 1px solid rgba(96, 165, 250, 0.45);
  color: #bfdbfe;
  font-size: 14px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  max-width: 100%;
  text-align: center;
}

h1 {
  font-size: clamp(42px, 12vw, 112px);
  line-height: 1;
  letter-spacing: 0;
  margin-bottom: 24px;
  overflow-wrap: anywhere;
}

h1 span {
  color: #38bdf8;
}

p {
  max-width: 720px;
  margin: 0 auto;
  font-size: clamp(18px, 2vw, 24px);
  line-height: 1.5;
  color: #cbd5e1;
}

.intro {
  margin-bottom: 28px;
}

.topics {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  max-width: 720px;
  margin: 0 auto;
  list-style: none;
}

.topic {
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.48);
  border: 1px solid rgba(148, 163, 184, 0.28);
  color: #e0f2fe;
  font-size: 15px;
  line-height: 1;
  white-space: nowrap;
}

.footer {
  position: relative;
  text-align: center;
  color: rgba(255, 255, 255, 0.45);
  font-size: 14px;
  z-index: 3;
  padding-inline: 16px;
}

.circle {
  position: absolute;
  border-radius: 50%;
  filter: blur(3px);
  opacity: 0.5;
  animation: float 8s ease-in-out infinite;
}

.circle.one {
  width: 180px;
  height: 180px;
  background: #2563eb;
  top: 8%;
  left: 10%;
}

.circle.two {
  width: 260px;
  height: 260px;
  background: #0284c7;
  right: 8%;
  bottom: 8%;
  animation-delay: 1.5s;
}

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

  50% {
    transform: translateY(-22px);
  }
}

@media (max-width: 640px) {
  .page {
    justify-content: stretch;
  }

  .card {
    width: 100%;
    min-height: auto;
  }

  .badge {
    margin-bottom: 20px;
    font-size: 12px;
  }

  p {
    font-size: 17px;
  }

  .topics {
    gap: 8px;
  }

  .topic {
    font-size: 13px;
    padding: 9px 12px;
  }

  .circle.one {
    width: 120px;
    height: 120px;
    left: -24px;
  }

  .circle.two {
    width: 160px;
    height: 160px;
    right: -36px;
    bottom: 12%;
  }
}

@media (max-height: 560px) {
  .page {
    align-items: start;
  }

  .card {
    min-height: auto;
  }
}