/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  font-weight: 600;
  font-size: 0.9375rem;
  border-radius: var(--radius-full);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn--primary {
  background: var(--color-primary);
  color: var(--color-bg);
}
.btn--primary:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-glow);
}
.btn--outline {
  background: transparent;
  border-color: var(--color-border-strong);
  color: var(--color-text);
}
.btn--outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.btn--sm { padding: 0.625rem 1.25rem; font-size: 0.875rem; }
.btn:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }

/* Cards */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.card:hover {
  border-color: var(--color-border-strong);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}
.card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: rgba(245, 158, 11, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
  font-size: 1.25rem;
}

/* Section */
.section { padding: var(--space-2xl) 0; }
.section--surface { background: var(--color-surface); }
.section__eyebrow {
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-primary);
  margin-bottom: var(--space-xs);
}
.section__title { margin-bottom: var(--space-sm); }
.section__desc {
  max-width: 640px;
  margin-bottom: var(--space-lg);
}
.section__desc--center { margin-inline: auto; text-align: center; }

/* Stats */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}
@media (min-width: 768px) {
  .stats-grid { grid-template-columns: repeat(4, 1fr); }
}
.stat-card {
  text-align: center;
  padding: var(--space-lg) var(--space-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}
.stat-card__value {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--space-xs);
}
.stat-card__label {
  font-size: 0.875rem;
  color: var(--color-muted);
}

/* Grid layouts */
.grid-2 { display: grid; gap: var(--space-md); }
.grid-3 { display: grid; gap: var(--space-md); }
@media (min-width: 768px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
}

/* Module accordion */
.accordion { display: flex; flex-direction: column; gap: var(--space-xs); }
.accordion__item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-surface);
}
.accordion__trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  padding: var(--space-md);
  background: none;
  border: none;
  color: var(--color-text);
  font-family: var(--font-heading);
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  transition: background var(--transition);
}
.accordion__trigger:hover { background: rgba(255,255,255,0.03); }
.accordion__trigger[aria-expanded="true"] { color: var(--color-primary); }
.accordion__icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  transition: transform var(--transition);
}
.accordion__trigger[aria-expanded="true"] .accordion__icon { transform: rotate(45deg); }
.accordion__panel {
  display: none;
  padding: 0 var(--space-md) var(--space-md);
  color: var(--color-muted);
  border-top: 1px solid var(--color-border);
}
.accordion__panel.is-open { display: block; }

/* Forms */
.form-group { margin-bottom: var(--space-md); }
.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: 0.375rem;
}
.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  transition: border-color var(--transition);
}
.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-primary);
}
.form-input.is-error,
.form-textarea.is-error { border-color: #EF4444; }
.form-error {
  font-size: 0.8125rem;
  color: #EF4444;
  margin-top: 0.25rem;
}
.form-textarea { min-height: 140px; resize: vertical; }

/* Toast */
.toast-container {
  position: fixed;
  bottom: var(--space-md);
  right: var(--space-md);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}
.toast {
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  font-weight: 500;
  box-shadow: var(--shadow-md);
  animation: toast-in 0.3s ease;
}
.toast--success { background: var(--color-accent); color: var(--color-bg); }
.toast--error { background: #EF4444; color: #fff; }
@keyframes toast-in {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Timeline */
.timeline { position: relative; padding-left: 2rem; }
.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-primary), transparent);
}
.timeline__item {
  position: relative;
  padding-bottom: var(--space-lg);
}
.timeline__item::before {
  content: '';
  position: absolute;
  left: -2rem;
  top: 0.5rem;
  width: 12px;
  height: 12px;
  margin-left: -5px;
  border-radius: 50%;
  background: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(245, 158, 11, 0.2);
}

/* Partner grid */
.partner-grid {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--space-lg);
}
.partner-logo {
  height: 48px;
  width: auto;
  opacity: 0.7;
  filter: grayscale(100%) brightness(1.2);
  transition: opacity var(--transition), filter var(--transition);
}
.partner-logo:hover {
  opacity: 1;
  filter: grayscale(0%);
}

/* Badge */
.badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-full);
  background: rgba(245, 158, 11, 0.15);
  color: var(--color-primary);
}
.badge--accent {
  background: rgba(34, 197, 94, 0.15);
  color: var(--color-accent);
}

/* Reveal animation */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}