/* ================================
   Reusable Components
   ================================ */

/* ================================
   Buttons
   ================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;

  padding: 0.85rem 1.4rem;
  border-radius: var(--radius-full);

  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.2px;

  cursor: pointer;
  user-select: none;

  transition:
    background var(--motion-medium) var(--ease-standard),
    color var(--motion-medium) var(--ease-standard),
    transform var(--motion-fast) var(--ease-standard),
    box-shadow var(--motion-fast) var(--ease-standard);
}

/* Button Variants */

.btn.primary {
  background: #ffffff;
  color: #0b1f2a;
}

.btn.primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(255, 255, 255, 0.15);
}

.btn.ghost {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.4);
  color: #ffffff;
}

.btn.ghost:hover {
  background: rgba(255, 255, 255, 0.08);
}

/* ================================
   CTA Button (Legacy)
   ================================ */

a.cta-button {
  display: inline-block;
  padding: 0.9rem 1.6rem;
  font-size: var(--fs-500);
  color: #000;
  background: var(--color-accent);
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-weight: 500;
  transition: all var(--motion-medium) var(--ease-standard);
}

a.cta-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(93, 220, 255, 0.3);
}

/* ================================
   System Visualization
   ================================ */

.system-visual {
  width: 100%;
  height: 320px;
  border-radius: var(--radius-lg);
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.03),
    rgba(255, 255, 255, 0.01)
  );
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.system-svg {
  width: 90%;
  height: auto;
}

.system-svg line {
  stroke: rgba(255, 255, 255, 0.18);
  stroke-width: 1;
}

.system-svg circle {
  fill: rgba(255, 255, 255, 0.35);
}

.system-svg circle.highlight {
  fill: #ffffff;
}