:root {
  --bg: #0f172a;
  --card: #111827;
  --card-border: rgba(255, 255, 255, 0.12);
  --text: #f8fafc;
  --muted: #94a3b8;
  --primary: #38bdf8;
  --primary-dark: #0284c7;
  --notice-bg: rgba(56, 189, 248, 0.12);
  --notice-border: rgba(56, 189, 248, 0.35);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(56, 189, 248, 0.18), transparent 32%),
    radial-gradient(circle at bottom right, rgba(14, 165, 233, 0.12), transparent 28%),
    var(--bg);
  color: var(--text);
  min-height: 100vh;
}

.page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px 18px;
}

.card {
  width: 100%;
  max-width: 680px;
  background: rgba(17, 24, 39, 0.86);
  border: 1px solid var(--card-border);
  border-radius: 28px;
  padding: 48px;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(18px);
  text-align: center;
}

.brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 28px;
}

.logo {
  width: 82px;
  height: 82px;
  position: relative;
  background: transparent;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  box-shadow: none;
}

.logo::before {
  content: "";
  position: absolute;
  width: 92px;
  height: 82px;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%) rotate(-8deg);
  z-index: 0;
  border-radius: 58% 42% 52% 48% / 48% 55% 45% 52%;
  background:
    radial-gradient(circle at 45% 45%,
      rgba(255, 255, 255, 0.88) 0%,
      rgba(255, 255, 255, 0.58) 32%,
      rgba(186, 230, 253, 0.24) 58%,
      rgba(186, 230, 253, 0.04) 78%,
      transparent 100%);
  filter: blur(9px);
  opacity: 0.95;
}

.logo::after {
  content: "";
  position: absolute;
  width: 68px;
  height: 62px;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%) rotate(12deg);
  z-index: 0;
  border-radius: 45% 55% 60% 40% / 52% 44% 56% 48%;
  background: rgba(255, 255, 255, 0.42);
  filter: blur(5px);
  opacity: 0.75;
}

.logo img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  filter: none;
}

h1 {
  margin: 0;
  font-size: 42px;
  letter-spacing: -0.04em;
}

.tagline {
  margin: 0 0 18px;
  font-size: 24px;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.description {
  margin: 0 auto;
  max-width: 540px;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.7;
}

.notice {
  margin: 30px auto 0;
  display: inline-block;
  padding: 12px 18px;
  border-radius: 999px;
  background: var(--notice-bg);
  border: 1px solid var(--notice-border);
  color: #bae6fd;
  font-size: 15px;
  font-weight: 500;
}

.actions {
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 26px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  text-decoration: none;
  font-weight: 700;
  box-shadow: 0 14px 32px rgba(56, 189, 248, 0.28);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.button:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 42px rgba(56, 189, 248, 0.36);
}

footer {
  margin-top: 34px;
  color: var(--muted);
  font-size: 14px;
}

.disclaimer {
  display: block;
  max-width: 560px;
  margin: 12px auto 0;
  padding-top: 12px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  color: rgba(148, 163, 184, 0.78);
  font-size: 12px;
  line-height: 1.6;
}

@media (max-width: 640px) {
  .card {
    padding: 36px 22px;
    border-radius: 22px;
  }

  .brand {
    flex-direction: column;
    gap: 14px;
  }

  .logo {
    width: 86px;
    height: 86px;
  }

  .logo::before {
    width: 96px;
    height: 86px;
  }

  .logo::after {
    width: 72px;
    height: 66px;
  }

  h1 {
    font-size: 34px;
  }

  .tagline {
    font-size: 21px;
  }

  .description {
    font-size: 16px;
  }

  .disclaimer {
    font-size: 11.5px;
  }
}