:root {
  --page-bg: #07101f;
  --page-bg-strong: #0c1730;
  --page-bg-deep: #040912;
  --panel: rgba(11, 17, 34, 0.9);
  --panel-border: rgba(138, 198, 255, 0.22);
  --text: #edf4ff;
  --muted: #b3c2de;
  --accent: #8fd3ff;
  --accent-strong: #57b8ff;
  --accent-soft: rgba(96, 178, 255, 0.16);
  --ink: #04111c;
  --shadow: rgba(0, 0, 0, 0.42);
  --radius-panel: 30px;
  --radius-card: 24px;
  --radius-field: 14px;
  --radius-pill: 999px;
  --font-sans: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--page-bg);
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-sans);
  color: var(--text);
  background:
    radial-gradient(circle at 20% 18%, rgba(46, 118, 255, 0.24), transparent 28%),
    radial-gradient(circle at 80% 16%, rgba(0, 212, 255, 0.16), transparent 24%),
    linear-gradient(180deg, var(--page-bg-strong) 0%, var(--page-bg) 58%, var(--page-bg-deep) 100%);
  padding: 28px 18px;
}

body.surface-centered {
  display: grid;
  place-items: center;
}

.panel {
  width: min(920px, 100%);
  margin: 0 auto;
  padding: 34px;
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-panel);
  background: var(--panel);
  box-shadow: 0 28px 88px var(--shadow);
  backdrop-filter: blur(14px);
}

.eyebrow {
  margin: 0;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.hero {
  display: grid;
  gap: 28px;
  align-items: start;
}

.hero-copy {
  min-width: 0;
  display: grid;
  gap: 18px;
  align-content: start;
}

h1 {
  margin: 0;
  font-size: clamp(2.6rem, 7vw, 5rem);
  line-height: 0.96;
  letter-spacing: -0.05em;
}

.intro {
  display: grid;
  gap: 10px;
  max-width: 34rem;
}

p {
  margin: 0;
  color: var(--muted);
  font-size: 1.02rem;
  line-height: 1.62;
}

strong {
  color: var(--text);
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.cta,
button.cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 20px;
  border: 0;
  border-radius: var(--radius-pill);
  text-decoration: none;
  font: inherit;
  font-weight: 700;
  transition: transform 140ms ease, box-shadow 140ms ease, opacity 140ms ease, background-color 140ms ease;
}

.cta:hover,
.cta:focus-visible,
button.cta:hover,
button.cta:focus-visible {
  transform: translateY(-1px);
}

.cta-primary,
button.cta-primary {
  color: var(--ink);
  background: linear-gradient(135deg, #92d8ff 0%, var(--accent-strong) 100%);
  box-shadow: 0 16px 40px rgba(71, 150, 255, 0.24);
}

.cta-secondary,
button.cta-secondary {
  color: var(--text);
  border: 1px solid rgba(153, 197, 255, 0.22);
  background: rgba(255, 255, 255, 0.04);
}

.brand-visual {
  filter: drop-shadow(0 14px 34px rgba(0, 0, 0, 0.28));
}

.brand-visual > picture,
.brand-visual > img,
.brand-visual picture > img {
  display: block;
  width: 100%;
  height: auto;
}

.soft-card {
  border: 1px solid rgba(153, 197, 255, 0.14);
  border-radius: var(--radius-card);
  background: var(--accent-soft);
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.18);
}

.surface-meta-footer {
  margin-top: 28px;
  padding-top: 18px;
  border-top: 1px solid rgba(153, 197, 255, 0.14);
}

.surface-meta-footer p {
  font-size: 0.94rem;
}

.surface-meta-footer a {
  color: var(--text);
  text-decoration: none;
}

.surface-meta-footer a:hover,
.surface-meta-footer a:focus-visible {
  color: var(--accent);
}

@media (max-width: 760px) {
  body {
    padding: 12px;
  }

  .hero {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  h1 {
    font-size: clamp(2.3rem, 12vw, 3.4rem);
  }

  p {
    font-size: 0.98rem;
    line-height: 1.56;
  }
}