/* ============================================================
   Canonical buttons — marketing family (index, kmu, agentur,
   marketing-teams). The app family (base.html/styles.css) keeps
   its own button styles until token values are unified.
   Requires tokens.css (design tokens) to be loaded first.
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.95rem 1.6rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform var(--duration-fast) var(--ease-out-expo),
              box-shadow var(--duration-normal) var(--ease-out-quart),
              background var(--duration-normal) var(--ease-out-quart),
              color var(--duration-fast);
}

.btn-primary {
  position: relative;
  color: #fff;
  background: var(--gradient-hero);
  background-size: 200% 100%;
  background-position: 0% 0%;
  box-shadow: 0 4px 12px -4px rgba(15, 76, 129, 0.4),
              0 16px 32px -16px rgba(15, 76, 129, 0.3);
  overflow: hidden;
  transition: transform var(--duration-fast) var(--ease-out-expo),
              box-shadow var(--duration-normal) var(--ease-out-quart),
              background-position 0.5s var(--ease-out-quart);
}

.btn-primary::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.18) 0%,
    transparent 50%
  );
  opacity: 0;
  transition: opacity var(--duration-normal);
  pointer-events: none;
}

.btn-primary:hover {
  color: #fff;
  transform: translateY(-2px);
  background-position: 100% 0%;
  box-shadow: 0 6px 16px -4px rgba(15, 76, 129, 0.5),
              0 20px 40px -16px rgba(15, 76, 129, 0.35);
}

.btn-primary:hover::after {
  opacity: 1;
}

.btn-primary:active {
  transform: translateY(0) scale(0.98);
  box-shadow: 0 2px 8px -2px rgba(15, 76, 129, 0.4);
  transition-duration: 0.08s;
}


.btn-secondary {
  color: var(--color-ink);
  border-color: rgba(15, 76, 129, 0.15);
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.btn-secondary:hover {
  color: var(--color-accent);
  border-color: rgba(15, 76, 129, 0.3);
  background: rgba(255, 255, 255, 0.95);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.btn-secondary:active {
  transform: translateY(0) scale(0.98);
  transition-duration: 0.08s;
}

.full-width {
  width: 100%;
}