/* components.css — buttons, cards, shared widgets */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.92rem;
  font-weight: 600;
  padding: 0.85rem 1.5rem;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: transform var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out), background var(--dur-fast), color var(--dur-fast), border-color var(--dur-fast);
  white-space: nowrap;
}
.btn-primary {
  background: var(--color-gold-bright);
  color: var(--color-matte-black);
}
.btn-primary:hover { box-shadow: 0 12px 30px -10px rgba(212,175,55,0.55); transform: translateY(-2px); }
.btn-secondary {
  background: transparent;
  border-color: var(--color-border);
  color: var(--color-text);
}
.btn-secondary:hover { border-color: var(--color-gold); transform: translateY(-2px); }
.btn-ghost {
  background: transparent;
  color: var(--color-text-muted);
  padding-inline: 0.25rem;
  border-radius: 0;
}
.btn-ghost:hover { color: var(--color-gold-bright); }
.btn-sm { padding: 0.6rem 1.1rem; font-size: 0.82rem; }

/* Magnetic button wrapper effect handled via JS transform */
.magnetic { will-change: transform; }

/* ---- Cards ---- */
.card {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-m);
  transition: transform var(--dur-med) var(--ease-out), box-shadow var(--dur-med) var(--ease-out), border-color var(--dur-med);
}
.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lift);
  border-color: var(--color-gold);
}

.glass {
  background: var(--color-glass);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
}

/* ---- Grids ---- */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-3); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-3); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-3); }
@media (max-width: 960px) { .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }

/* ---- Section divider ---- */
.hairline {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-border) 20%, var(--color-border) 80%, transparent);
  border: none;
  margin: 0;
}

/* ---- Toast / success animation ---- */
.toast {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 200;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-gold-bright);
  padding: 1rem 1.25rem;
  border-radius: var(--radius-s);
  box-shadow: var(--shadow-lift);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  transform: translateY(140%);
  transition: transform var(--dur-med) var(--ease-out);
  max-width: 320px;
}
.toast.is-visible { transform: translateY(0); }
.toast svg { width: 20px; height: 20px; color: var(--color-gold-bright); flex-shrink: 0; }

/* ---- Back to top ---- */
.back-to-top {
  position: fixed;
  bottom: 1.5rem;
  left: 1.5rem;
  z-index: 90;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  display: grid;
  place-items: center;
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: opacity var(--dur-fast), transform var(--dur-fast);
  box-shadow: var(--shadow-soft);
}
.back-to-top.is-visible { opacity: 1; pointer-events: auto; transform: translateY(0); }
.back-to-top svg { width: 18px; height: 18px; }