:root {
  --bg: #07101f;
  --bg-soft: #0b1629;
  --card: rgba(255, 255, 255, 0.06);
  --card-strong: rgba(255, 255, 255, 0.1);
  --border: rgba(96, 165, 250, 0.18);
  --text: #f8fbff;
  --muted: #8aa5c7;
  --blue: #2f7cff;
  --cyan: #38bdf8;
  --green: #22c55e;
  --yellow: #facc15;
  --red: #ef4444;
  --radius: 22px;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
  --font: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select,
textarea {
  font-family: inherit;
}

.background-glow {
  position: fixed;
  inset: 0;
  background:
    radial-gradient(circle at 20% 10%, rgba(47, 124, 255, 0.24), transparent 32%),
    radial-gradient(circle at 80% 20%, rgba(56, 189, 248, 0.12), transparent 30%),
    radial-gradient(circle at 50% 90%, rgba(47, 124, 255, 0.14), transparent 36%);
  pointer-events: none;
  z-index: -1;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 0.8rem 1.25rem;
  border: 1px solid transparent;
  font-weight: 700;
  cursor: pointer;
  transition: 0.25s ease;
}

.btn-primary {
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  color: white;
  box-shadow: 0 0 35px rgba(47, 124, 255, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 55px rgba(56, 189, 248, 0.45);
}

.btn-ghost {
  color: var(--muted);
}

.btn-ghost:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
}

.btn-outline {
  border-color: var(--border);
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
}

.btn-outline:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}

.large {
  padding: 1rem 1.6rem;
}

.glass-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(20px);
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: 0.8s ease;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}