/* =========================================================
   BUTTONS & TAGS (Flexbox)
   ========================================================= */

/* ── Base Button ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-family);
  font-size: var(--text-sm);
  font-weight: var(--font-label);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  border-radius: var(--radius);
  padding: var(--space-3) var(--space-6);
  transition:
    background-color var(--transition-base),
    color var(--transition-base),
    filter var(--transition-base),
    transform var(--transition-fast);
  white-space: nowrap;
  cursor: pointer;
  border: none;
}

.btn:active {
  transform: scale(0.98);
}

/* Primary CTA — Metallic Goldenrod */
.btn-primary {
  background: var(--gradient-gold);
  color: var(--on-primary);
}

.btn-primary:hover {
  filter: brightness(1.10);
}

/* Secondary — Ghost */
.btn-secondary {
  background: transparent;
  color: var(--primary);
  border: 1px solid rgba(255, 228, 175, 0.25);
}

.btn-secondary:hover {
  background: var(--surface-container-high);
  border-color: rgba(255, 228, 175, 0.4);
}

/* Gold Outline — Contact & Action Buttons */
.btn-gold-outline {
  background: transparent;
  color: var(--primary-dim);
  border: 1px solid var(--primary-dim);
  font-size: var(--text-xs);
  padding: 6px 14px;
}

.btn-gold-outline:hover {
  background: rgba(250, 189, 0, 0.12);
  border-color: var(--primary-container);
  color: var(--primary);
}

/* Tertiary — Text link style */
.btn-tertiary {
  background: transparent;
  color: var(--secondary);
  padding-inline: 0;
  letter-spacing: var(--tracking-normal);
  text-transform: none;
  font-size: var(--text-base);
  font-weight: var(--font-label);
}

.btn-tertiary::after {
  content: ' →';
  transition: transform var(--transition-base);
  display: inline-block;
}

.btn-tertiary:hover::after {
  transform: translateX(5px);
}

/* ── Tags / Chips ── */
.tag {
  display: inline-flex;
  align-items: center;
  font-size: var(--text-xs);
  font-weight: var(--font-label);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  padding: 3px var(--space-3);
  border-radius: var(--radius);
  background: rgba(0, 98, 123, 0.3);
  color: var(--secondary-fixed);
  transition: background var(--transition-base);
}

.tag:hover {
  background: rgba(0, 98, 123, 0.5);
}

.tag--gold {
  background: rgba(250, 189, 0, 0.15);
  color: var(--primary-container);
}

.tag--teal {
  background: rgba(0, 77, 64, 0.3);
  color: var(--tertiary);
}