:root {
  --sf-section-pad: 5rem;
}

html {
  scroll-behavior: smooth;
}

body {
  background-color: #0b1220;
  color: #e6edf3;
}

.sf-nav {
  backdrop-filter: blur(10px);
  background: rgba(11, 18, 32, 0.72);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.sf-section {
  padding: var(--sf-section-pad) 0;
}

.sf-section-accent {
  background-color: rgb(28, 98, 131);
}

.sf-cta-btn {
  background-color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.85);
  color: rgb(28, 98, 131);
  font-size: clamp(0.85rem, 1.2vw, 0.95rem);
  padding-top: clamp(0.55rem, 1vw, 0.7rem);
  padding-bottom: clamp(0.55rem, 1vw, 0.7rem);
}

.sf-cta-btn:hover,
.sf-cta-btn:focus {
  background-color: rgba(255, 255, 255, 0.92);
  border-color: rgba(255, 255, 255, 1);
  color: rgb(28, 98, 131);
}

#home.sf-section {
  padding: 0;
  padding-top: 4vh;
}

.sf-hero-stack {
  min-height: 50vh;
  width: 70vw;
  margin-left: auto;
  margin-right: auto;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 1.25rem;
}

.sf-logo {
  width: 40vw;
  max-width: 40vw;
  height: auto;
  object-fit: contain;
}

.sf-section-light {
  background-color: #ffffff;
  color: #0b1220;
}

.sf-section-light .sf-muted {
  color: rgba(11, 18, 32, 0.7);
}

.sf-section-light .sf-card {
  background: rgba(11, 18, 32, 0.04);
  border: 1px solid rgba(11, 18, 32, 0.12);
}

.sf-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 1rem;
}

.sf-muted {
  color: rgba(230, 237, 243, 0.75);
}

.sf-badge {
  background: rgba(13, 110, 253, 0.18);
  border: 1px solid rgba(13, 110, 253, 0.35);
  color: #cfe2ff;
}

.sf-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}