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

:root {
  --bg: #ffffff;
  --bg-accent: #f4f4f6;
  --text: #16161a;
  --muted: #6b6b76;
  --line: rgba(0, 0, 0, 0.1);
}

html,
body {
  height: 100%;
}

body {
  font-family: "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  background-image: radial-gradient(circle at 50% 30%, var(--bg-accent) 0%, var(--bg) 65%);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}

.page {
  min-height: 100%;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 6vh 5vw 0;
  text-align: center;
}

.content {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: clamp(1.25rem, 4vw, 2.5rem);
  animation: fade-up 0.9s ease-out both;
}

.logo {
  width: clamp(220px, 55vw, 520px);
  max-width: 100%;
  height: auto;
  display: block;
  object-fit: contain;
}

.title {
  font-size: clamp(1.9rem, 7vw, 4rem);
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.15;
}

.subtitle {
  font-size: clamp(1rem, 2.4vw, 1.25rem);
  color: var(--muted);
  max-width: 32ch;
  line-height: 1.6;
}

.footer {
  width: 100%;
  padding: 2rem 0 1.5rem;
  border-top: 1px solid var(--line);
  margin-top: 3rem;
  font-size: 0.85rem;
  color: var(--muted);
}

@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .content {
    animation: none;
  }
}

@media (max-width: 480px) {
  .page {
    padding: 4vh 1.5rem 0;
  }

  .footer {
    margin-top: 2rem;
  }
}