/* ======================================================
   Buttons — v0 Design System
   ====================================================== */

.btn-primary,
.btn-outline,
.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.625rem 1.5rem;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1.5;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all .3s cubic-bezier(.16,1,.3,1);
  text-decoration: none;
  white-space: nowrap;
  border: none;
}

.btn-primary svg,
.btn-outline svg,
.btn-ghost svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

/* --- Primary: Gold gradient background --- */
.btn-primary {
  background: linear-gradient(135deg, var(--gold-light), var(--gold), var(--gold-dark));
  color: var(--primary-foreground);
  box-shadow:
    0 1px 2px rgba(0,0,0,.4),
    0 0 16px rgba(201,168,76,.15),
    inset 0 1px 0 rgba(255,255,255,.15);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow:
    0 4px 12px rgba(0,0,0,.4),
    0 0 24px rgba(201,168,76,.25),
    inset 0 1px 0 rgba(255,255,255,.2);
  filter: brightness(1.05);
}

.btn-primary:active {
  transform: translateY(0);
}

/* --- Outline: Gold border --- */
.btn-outline {
  background: rgba(201,168,76,.04);
  color: var(--gold);
  border: 1px solid rgba(201,168,76,.25);
  box-shadow: 0 1px 2px rgba(0,0,0,.3);
}

.btn-outline:hover {
  background: rgba(201,168,76,.1);
  border-color: rgba(201,168,76,.4);
  box-shadow:
    0 4px 12px rgba(0,0,0,.3),
    0 0 16px rgba(201,168,76,.08);
}

/* --- Ghost: Subtle border --- */
.btn-ghost {
  background: transparent;
  color: var(--foreground);
  border: 1px solid var(--border);
}

.btn-ghost:hover {
  background: rgba(201,168,76,.05);
  border-color: rgba(201,168,76,.15);
  color: var(--gold);
}

/* --- Size Variants --- */
.btn-sm {
  padding: 0.375rem 1rem;
  font-size: 0.8rem;
}

.btn-lg {
  padding: 0.875rem 2rem;
  font-size: 1rem;
}

/* --- Hero CTA: extra large, clean --- */
.btn-hero {
  padding: 1.1rem 3rem;
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  border-radius: calc(var(--radius) + 2px);
  box-shadow:
    0 2px 8px rgba(0,0,0,.5),
    0 0 24px rgba(201,168,76,.18),
    inset 0 1px 0 rgba(255,255,255,.15);
}

.btn-hero svg {
  width: 20px;
  height: 20px;
}

.btn-hero:hover {
  transform: translateY(-2px);
  box-shadow:
    0 6px 20px rgba(0,0,0,.5),
    0 0 40px rgba(201,168,76,.3),
    inset 0 1px 0 rgba(255,255,255,.2);
  filter: brightness(1.08);
}

/* --- Focus Visible (keyboard navigation) --- */
.btn-primary:focus-visible,
.btn-outline:focus-visible,
.btn-ghost:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}