/* ── Components ─────────────────────────────────────────── */

/* ── Language Toggle ── */
.lang-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  border: 1px solid var(--color-border);
  background: transparent;
  color: var(--color-text-secondary);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: all 200ms ease;
  -webkit-tap-highlight-color: transparent;
}

.lang-toggle:hover {
  border-color: var(--color-text-secondary);
  color: var(--color-text);
  background: rgba(255, 255, 255, 0.04);
}

/* ── Container ── */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

/* ── Section wrapper ── */
.section {
  padding-block: clamp(var(--space-16), 10vw, var(--space-32));
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin-inline: auto;
  margin-bottom: clamp(var(--space-12), 6vw, var(--space-20));
}

.section-header .h2 {
  margin-bottom: var(--space-4);
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  border-radius: var(--radius-full);
  transition:
    background     350ms cubic-bezier(0.16, 1, 0.3, 1),
    color          350ms cubic-bezier(0.16, 1, 0.3, 1),
    transform      250ms cubic-bezier(0.34, 1.56, 0.64, 1),
    box-shadow     350ms cubic-bezier(0.16, 1, 0.3, 1),
    border-color   350ms cubic-bezier(0.16, 1, 0.3, 1);
  white-space: nowrap;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  will-change: transform;
}

.btn:active {
  transform: scale(0.95) !important;
  transition-duration: 100ms;
}

/* Primary — белая кнопка */
.btn-primary {
  background: var(--color-accent);
  color: var(--color-bg);
  border: 1.5px solid var(--color-accent);
}

.btn-primary:hover {
  background: var(--color-accent-dim);
  border-color: var(--color-accent-dim);
  box-shadow: 0 0 32px rgba(255,255,255,0.15);
  transform: translateY(-1px);
}

/* Secondary — прозрачная с обводкой */
.btn-secondary {
  background: transparent;
  color: var(--color-text);
  border: 1.5px solid var(--color-border-hover);
}

.btn-secondary:hover {
  border-color: var(--color-accent);
  background: var(--color-accent-glow);
  transform: translateY(-1px);
}

/* Ghost — очень тихая */
.btn-ghost {
  background: transparent;
  color: var(--color-text-secondary);
  border: 1.5px solid transparent;
  padding: var(--space-3) var(--space-6);
}

.btn-ghost:hover {
  color: var(--color-text);
  background: var(--color-surface);
}

/* Disabled */
.btn-disabled {
  opacity: 0.35;
  cursor: not-allowed;
  pointer-events: none;
}

/* ── Cards ── */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  transition:
    border-color 400ms cubic-bezier(0.16, 1, 0.3, 1),
    transform    400ms cubic-bezier(0.16, 1, 0.3, 1),
    box-shadow   400ms cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform;
}

.card:hover {
  border-color: var(--color-border-hover);
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg), var(--glow-white);
}

.card-featured {
  border-color: rgba(255,255,255,0.2);
  background: var(--color-surface-2);
  position: relative;
}

.card-featured::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: calc(var(--radius-lg) + 1px);
  background: linear-gradient(135deg, rgba(255,255,255,0.15), rgba(255,255,255,0.02));
  z-index: -1;
}

/* ── Badge / Tag ── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-wide);
  border-radius: var(--radius-full);
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--color-border-hover);
  color: var(--color-text-secondary);
  white-space: nowrap;
}

.badge-accent {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.2);
  color: var(--color-text);
}

/* ── Divider ── */
.divider {
  width: 100%;
  height: 1px;
  background: var(--color-border);
}

/* ── Icon wrapper ── */
.icon-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  flex-shrink: 0;
  transition: border-color var(--duration-normal) var(--ease-out);
}

.card:hover .icon-wrap {
  border-color: var(--color-border-hover);
}

/* ── Reveal animation ── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 700ms cubic-bezier(0.16, 1, 0.3, 1),
    transform 700ms cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Static delay classes (for manually-placed elements) */
.reveal-delay-1 { transition-delay: 80ms; }
.reveal-delay-2 { transition-delay: 160ms; }
.reveal-delay-3 { transition-delay: 240ms; }
.reveal-delay-4 { transition-delay: 320ms; }

/* ── Payment Method Selector ── */
.pay-method-selector {
  margin-bottom: var(--space-5);
}

.pay-method-label {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-3);
  font-weight: 500;
  letter-spacing: 0.02em;
}

.pay-method-btn {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  width: 100%;
  padding: var(--space-3) var(--space-4);
  margin-bottom: var(--space-2);
  border-radius: 12px;
  border: 1.5px solid var(--color-border);
  background: transparent;
  color: var(--color-text);
  cursor: pointer;
  transition: all 200ms ease;
  -webkit-tap-highlight-color: transparent;
  text-align: left;
}

.pay-method-btn:hover {
  border-color: var(--color-border-hover);
  background: rgba(255, 255, 255, 0.02);
}

.pay-method-btn.active {
  border-color: var(--color-accent, #6366f1);
  background: rgba(99, 102, 241, 0.06);
}

.pay-method-icon {
  font-size: 1.4rem;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.04);
  flex-shrink: 0;
}

.pay-method-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.pay-method-name {
  font-size: 0.9rem;
  font-weight: 600;
}

.pay-method-desc {
  font-size: 0.75rem;
  color: var(--color-text-secondary);
  opacity: 0.7;
}