.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: 600;
  padding: 0.75rem 1.4rem;
  border-radius: var(--radius-md);
  text-decoration: none;
  cursor: pointer;
  transition: transform var(--transition-fast), background-color var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
  border: 1px solid transparent;
  line-height: 1.35;
  text-align: center;
  max-width: 100%;
  word-break: normal;
  overflow-wrap: break-word;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: var(--color-primary-gradient);
  color: var(--color-white);
  box-shadow: 0 4px 14px rgba(7, 94, 171, 0.28);
}

.btn-primary:hover {
  color: var(--color-white);
  background: linear-gradient(135deg, #086bbf 0%, #075294 100%);
  box-shadow: 0 6px 20px rgba(7, 94, 171, 0.38);
}

.btn-secondary {
  background-color: var(--color-surface-alt);
  color: var(--color-text);
  border-color: var(--color-border);
}

.btn-secondary:hover {
  background-color: var(--color-border);
  color: var(--color-text);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-outline:hover {
  background-color: var(--color-primary-light);
  color: var(--color-primary-dark);
}

.btn-whatsapp {
  background-color: var(--color-whatsapp);
  color: var(--color-white);
  box-shadow: 0 4px 14px rgba(37, 211, 102, 0.3);
}

.btn-whatsapp:hover {
  background-color: var(--color-whatsapp-dark);
  color: var(--color-white);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
}

.btn-call {
  background-color: var(--color-surface-card);
  color: var(--color-text);
  border: 1px solid var(--color-border-strong);
}

.btn-call:hover {
  background-color: var(--color-surface);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-lg {
  padding: 0.95rem 1.85rem;
  font-size: var(--text-base);
  border-radius: var(--radius-lg);
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: var(--text-xs);
  border-radius: var(--radius-sm);
}

.btn-block {
  display: flex;
  width: 100%;
}

/* Cards */
.card {
  background-color: var(--color-surface-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 3vw, 2.25rem);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
  position: relative;
  max-width: 100%;
  min-width: 0;
}

.card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-border-strong);
}

.card-interactive:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: var(--color-primary);
}

/* Pricing Cards */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(2rem, 4vw, 3.25rem);
  max-width: 980px;
  margin-left: auto;
  margin-right: auto;
}

.card-pricing {
  padding: clamp(2rem, 4vw, 3rem) clamp(1.75rem, 3.5vw, 2.5rem);
  border-radius: var(--radius-xl);
  display: flex;
  flex-direction: column;
  height: 100%;
  position: relative;
  background: var(--color-surface-card);
}

.card-pricing.featured {
  border: 2px solid var(--color-primary);
  box-shadow: 0 12px 36px rgba(7, 94, 171, 0.16);
}

.badge-pricing-popular {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-primary);
  color: var(--color-white);
  padding: 4px 16px;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  box-shadow: 0 4px 10px rgba(7, 94, 171, 0.3);
}

.pricing-plan-name {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.pricing-plan-desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  min-height: 44px;
  margin-bottom: var(--space-4);
}

.pricing-amount-wrap {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--color-border);
}

.pricing-amount {
  font-size: 3.25rem;
  font-weight: 800;
  color: var(--color-text);
  line-height: 1;
}

.pricing-period {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-weight: 500;
}

.pricing-features-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-8);
  flex-grow: 1;
}

.pricing-feature-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-soft);
}

.pricing-disclaimer {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-align: center;
  margin-top: var(--space-3);
}

/* OS Cards */
.card-os {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: clamp(1.5rem, 3vw, 2.25rem) clamp(1rem, 2vw, 1.5rem);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: var(--color-surface-card);
  transition: all var(--transition-base);
  text-decoration: none;
}

.card-os:hover {
  transform: translateY(-4px);
  border-color: var(--color-primary);
  box-shadow: 0 10px 24px rgba(7, 94, 171, 0.12);
}

.card-os-icon {
  width: 56px;
  height: 56px;
  margin-bottom: var(--space-3);
}

.card-os-title {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 2px;
}

.card-os-tag {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* Category Cards */
.card-category {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding: clamp(1.25rem, 2.5vw, 1.75rem);
  border-radius: var(--radius-lg);
  background: var(--color-surface-card);
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
}

.card-category:hover {
  transform: translateY(-3px);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.category-icon {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
}

.category-title {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 4px;
}

.category-desc {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin: 0;
  line-height: 1.5;
}

/* Process Step Timeline */
.process-timeline {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: clamp(1rem, 2vw, 1.5rem);
  position: relative;
}

.step-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: clamp(1.75rem, 3vw, 2.25rem) var(--space-4);
  border-radius: var(--radius-lg);
  background: var(--color-surface-card);
  border: 1px solid var(--color-border);
  position: relative;
  z-index: 1;
}

.step-number {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: var(--text-sm);
  margin-bottom: var(--space-4);
}

.step-title {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.step-desc {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: 1.5;
  margin: 0;
}

/* Accordion FAQ */
.accordion-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  max-width: 820px;
  margin-left: auto;
  margin-right: auto;
}

.accordion-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface-card);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.accordion-item.is-open {
  border-color: var(--color-primary);
}

.accordion-header {
  width: 100%;
  padding: clamp(1.1rem, 2.5vw, 1.35rem) clamp(1.25rem, 3vw, 1.6rem);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  text-align: left;
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text);
  cursor: pointer;
  background: none;
  border: none;
}

.accordion-header:hover {
  color: var(--color-primary);
}

.accordion-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  transition: transform var(--transition-base);
}

.accordion-item.is-open .accordion-icon {
  transform: rotate(180deg);
}

.accordion-content {
  display: none;
  padding: 0 clamp(1.25rem, 3vw, 1.6rem) clamp(1.25rem, 3vw, 1.6rem) clamp(1.25rem, 3vw, 1.6rem);
  font-size: var(--text-sm);
  color: var(--color-text-soft);
  line-height: 1.7;
}

.accordion-item.is-open .accordion-content {
  display: block;
}

/* Sticky Mobile Action Bar */
.sticky-mobile-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid var(--color-border);
  padding: var(--space-3) var(--space-4);
  padding-bottom: calc(var(--space-3) + env(safe-area-inset-bottom, 0px));
  z-index: 998;
  box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.08);
}

.sticky-mobile-actions {
  display: grid;
  grid-template-columns: auto auto 1fr;
  gap: var(--space-2);
  align-items: center;
}

/* Trust Line */
.trust-line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-4);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-muted);
}

.trust-item {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
}