:root {
  --bg: #071f36;
  --bg-2: #0a2a45;
  --card: rgba(255, 255, 255, 0.08);
  --card-border: rgba(255, 255, 255, 0.14);
  --text: #f4f8ff;
  --muted: #c5d5e6;
  --accent: #5fd3ff;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.22);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  min-height: 100vh;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top, rgba(95, 211, 255, 0.18), transparent 32%),
    radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.08), transparent 22%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%);
}

img {
  display: block;
  max-width: 100%;
}

.page-shell {
  min-height: 100vh;
  padding: 32px 24px 22px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.hero-card {
  width: min(760px, 100%);
  margin: auto;
  padding: 42px 30px;
  border: 1px solid var(--card-border);
  border-radius: 28px;
  background: var(--card);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow);
  text-align: center;
}

.brand-mark {
  width: 220px;
  margin: 0 auto 26px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: 12px;
  font-weight: 800;
}

h1 {
  margin: 0;
  font-size: clamp(2.6rem, 6vw, 4.4rem);
  line-height: 0.95;
  letter-spacing: -0.05em;
}

.lead {
  width: min(540px, 100%);
  margin: 18px auto 0;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.7;
}

.site-footer {
  width: min(980px, 100%);
  margin: 0 auto;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: rgba(244, 248, 255, 0.86);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.footer-brand img {
  height: 30px;
  width: auto;
  object-fit: contain;
}

@media (max-width: 640px) {
  .page-shell {
    padding: 18px 16px 16px;
    gap: 20px;
  }

  .hero-card {
    padding: 30px 20px;
    border-radius: 22px;
  }

  .brand-mark {
    width: 165px;
    margin-bottom: 18px;
  }

  .eyebrow {
    margin-bottom: 9px;
    font-size: 11px;
    letter-spacing: 0.16em;
  }

  h1 {
    font-size: clamp(2.1rem, 9vw, 3rem);
    line-height: 1;
  }

  .lead {
    width: min(100%, 34rem);
    margin: 13px auto 0;
    font-size: 0.92rem;
    line-height: 1.52;
  }

  .site-footer {
    justify-content: space-between;
    align-items: center;
    flex-wrap: nowrap;
    gap: 10px;
    overflow: hidden;
    padding-bottom: 0;
  }

  .footer-brand {
    flex: 0 0 auto;
    white-space: nowrap;
    gap: 6px;
    font-size: 10px;
    min-width: 0;
  }

  .footer-brand span {
    max-width: 96px;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .footer-brand img {
    height: 19px;
    max-width: 82px;
  }
}