.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(15, 17, 21, 0.7);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.site-header.is-scrolled {
  background: rgba(15, 17, 21, 0.9);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  font-weight: 700;
}

.main-nav {
  display: flex;
  gap: var(--space-4);
  font-size: 14px;
}

.site-footer {
  padding: var(--space-6) 0;
  border-top: 1px solid var(--border);
  color: var(--muted);
  text-align: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 48px;
  padding: 0 var(--space-4);
  border-radius: var(--radius);
  border: 0;
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  transition: transform var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease);
}

.btn--primary {
  background: var(--accent);
  color: #04130A;
}

.btn--primary:hover {
  background: var(--accent-600);
  transform: translateY(-1px);
}

.btn--secondary {
  background: #1A1F2A;
  border: 1px solid var(--border);
  color: var(--text);
}

.btn--ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}

.sticky-cta {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  padding: env(safe-area-inset-bottom) var(--space-5) var(--space-5);
  background: rgba(15, 17, 21, 0.9);
  border-top: 1px solid var(--border);
  display: none;
}

.sticky-cta.is-visible {
  display: block;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.step-card,
.feature-card,
.testimonial-card,
.price-card {
  padding: var(--space-6);
}

.price {
  font-size: 32px;
  font-weight: 700;
}

.badges {
  display: flex;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
}

.accordion-item {
  border-bottom: 1px solid var(--border);
}

.accordion-button {
  width: 100%;
  text-align: left;
  padding: var(--space-5);
  background: none;
  border: 0;
  color: var(--text);
  font-size: 15px;
}

.accordion-button[aria-expanded="true"] {
  color: var(--accent);
}

.accordion-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height 220ms var(--ease);
}

.accordion-panel.is-open {
  max-height: 600px;
}

.progress {
  height: 8px;
  background: #1B2130;
  border-radius: 999px;
  overflow: hidden;
}

.progress__bar {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--accent), #34D399);
  transition: width var(--dur-fast) var(--ease);
}

.option-list {
  display: grid;
  gap: var(--space-4);
}

.option-card {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px var(--space-5);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #121620;
  cursor: pointer;
  transition: border var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease);
}

.option-card:hover {
  border-color: #2A3242;
}

.option-card.is-selected {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.18);
}

.option-card input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 16px;
}

.field label {
  font-size: 14px;
}

.field select {
  padding: 8px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background-color: #020617;
  color: var(--text);
}

.faq-list {
  display: grid;
  gap: var(--space-4);
}

@media (max-width: 640px) {
  .main-nav {
    display: none;
  }
}