:root {
  color-scheme: dark;
  --bg: #08111f;
  --bg-deep: #0e1729;
  --text: #f5f7ff;
  --text-muted: #b4bfca;
  --border: rgba(255, 255, 255, 0.14);
  --accent: #8bb7ff;
  --accent-strong: #c4d8ff;
  --shadow: 0 30px 70px rgba(0, 0, 0, 0.28);
}

* {
  box-sizing: border-box;
}

html {
  font-size: 16px;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(139, 183, 255, 0.2), transparent 32%),
    linear-gradient(135deg, var(--bg) 0%, var(--bg-deep) 100%);
  line-height: 1.55;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background: linear-gradient(120deg, transparent, rgba(255, 255, 255, 0.035), transparent);
  pointer-events: none;
}

.page-shell {
  position: relative;
  isolation: isolate;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 2rem 1.25rem 2.5rem;
  overflow: hidden;
}

.ambient {
  position: absolute;
  width: clamp(12rem, 45vw, 26rem);
  aspect-ratio: 1;
  border-radius: 50%;
  filter: blur(8px);
  opacity: 0.7;
  pointer-events: none;
  animation: drift 18s ease-in-out infinite alternate;
}

.ambient-one {
  background: radial-gradient(circle, rgba(255, 255, 255, 0.18), transparent 70%);
  left: -4rem;
  top: -3rem;
}

.ambient-two {
  background: radial-gradient(circle, rgba(139, 183, 255, 0.18), transparent 70%);
  right: -2rem;
  bottom: -4rem;
  animation-duration: 22s;
}

.hero {
  position: relative;
  width: min(100%, 42rem);
  padding: clamp(1.6rem, 4vw, 2.35rem);
  border: 1px solid var(--border);
  border-radius: 1.75rem;
  background: rgba(5, 12, 24, 0.68);
  box-shadow: var(--shadow);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  text-align: center;
}

.hero-compact {
  width: min(100%, 35rem);
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 4rem;
  height: 4rem;
  margin-bottom: 1.1rem;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
}

.brand-mark svg {
  width: 2.35rem;
  height: 2.35rem;
  fill: none;
  stroke: var(--accent-strong);
  stroke-width: 2.55;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.coming-soon {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin: 0 0 1.2rem;
  padding: 0.42rem 0.8rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.05);
  color: var(--accent-strong);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.24em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(2rem, 5vw, 3.2rem);
  line-height: 1.06;
  letter-spacing: -0.035em;
  font-weight: 600;
}

.supporting {
  margin: 1rem auto 0;
  max-width: 37rem;
  font-size: clamp(1rem, 2.2vw, 1.14rem);
  color: var(--text-muted);
}

.closing {
  margin: 1rem auto 0;
  font-size: 1rem;
  color: var(--accent-strong);
}

.text-link {
  display: inline-block;
  margin-top: 1rem;
  color: var(--accent-strong);
  text-decoration: none;
  font-weight: 600;
}

.text-link:hover,
.text-link:focus-visible {
  text-decoration: underline;
}

.site-footer {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  align-items: center;
  margin-top: 1.2rem;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.92rem;
}

.site-footer a {
  color: inherit;
  text-decoration: none;
}

.site-footer a:hover,
.site-footer a:focus-visible {
  color: var(--accent-strong);
  text-decoration: underline;
}

@keyframes drift {
  from {
    transform: translate3d(0, 0, 0) scale(1);
  }
  to {
    transform: translate3d(1.2rem, -1rem, 0) scale(1.07);
  }
}

@media (min-width: 768px) {
  .page-shell {
    padding: 2.5rem 2rem 3rem;
  }

  .hero {
    padding: 2.6rem 3rem;
  }

  .site-footer {
    flex-direction: row;
    gap: 1.1rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}
