:root {
  color-scheme: dark;
  --bg: #0b1120;
  --panel: rgba(17, 26, 42, 0.95);
  --border: rgba(255, 255, 255, 0.08);
  --text: #f8fafc;
  --muted: #aab4ce;
  --accent: #8de0ff;
  --accent-strong: #52c7ff;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.25);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: radial-gradient(circle at top, rgba(82, 199, 255, 0.14), transparent 25%),
    radial-gradient(circle at 70% 10%, rgba(140, 224, 255, 0.18), transparent 20%),
    linear-gradient(180deg, #08101f 0%, #060b15 100%);
  color: var(--text);
}

body {
  display: grid;
  place-items: center;
  padding: 32px;
}

.page-shell {
  width: min(1024px, 100%);
}

.content-card {
  border: 1px solid var(--border);
  border-radius: 28px;
  padding: 42px;
  backdrop-filter: blur(24px);
  box-shadow: var(--shadow);
  background: var(--panel);
}

.logo {
  width: 240px;
  max-height: 120px;
  height: auto;
  border-radius: 2px;
  object-fit: contain;
  background: rgba(255, 255, 255, 0.04);
  margin-bottom: 24px;
  background-color: white;
}

.eyebrow {
  margin: 0 0 18px;
  font-size: 0.92rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}

h1 {
  margin: 0 0 20px;
  font-size: clamp(2.45rem, 5vw, 4rem);
  line-height: 1.02;
}

.description {
  max-width: 720px;
  margin: 0 0 28px;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.8;
}

.cta-block {
  display: grid;
  gap: 14px;
  grid-template-columns: 1fr auto;
  align-items: stretch;
  max-width: 720px;
}

input[type="email"] {
  width: 100%;
  min-height: 56px;
  padding: 0 18px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  font-size: 1rem;
}

button {
  min-width: 168px;
  border: none;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #06121f;
  font-weight: 700;
  cursor: pointer;
  transition: transform 180ms ease, box-shadow 180ms ease, opacity 180ms ease;
}

button:hover,
button:focus-visible {
  transform: translateY(-1px);
  box-shadow: 0 12px 28px rgba(82, 199, 255, 0.24);
  opacity: 0.98;
}

.note {
  margin: 24px 0 0;
  color: var(--muted);
}

.feature-grid {
  display: grid;
  gap: 18px;
  margin-top: 36px;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
}

.feature-grid article {
  padding: 24px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.feature-grid strong {
  display: block;
  margin-bottom: 8px;
  font-size: 1.05rem;
}

.feature-grid span {
  display: block;
  color: var(--muted);
  line-height: 1.7;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}