/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-family);
  font-size: var(--font-size-cta);
  font-weight: var(--font-weight-cta);
  line-height: var(--line-height-cta);
  letter-spacing: var(--letter-spacing-cta);
  padding: 12px 24px;
  border-radius: var(--border-radius);
  transition: background-color var(--duration-fast) ease-out,
              color var(--duration-fast) ease-out,
              transform var(--duration-fast) ease-out,
              border-color var(--duration-fast) ease-out;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  white-space: nowrap;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-button-hover);
}

.btn:active {
  transform: scale(0.98);
  box-shadow: none;
}

.btn:focus-visible {
  outline: 2px solid var(--color-teal-dark);
  outline-offset: 2px;
}

.btn--primary {
  background-color: var(--color-cta-primary-bg);
  color: var(--color-cta-primary-text);
  border-color: var(--color-cta-primary-bg);
}

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

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

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

.btn--danger {
  background-color: var(--color-error-main);
  color: var(--color-white);
}

.btn--danger:hover {
  background-color: #A8453C;
}

.btn--sm {
  font-size: 14px;
  font-weight: 700;
  padding: 10px 20px;
}

.btn-group {
  display: flex;
  gap: var(--space-base);
  flex-wrap: wrap;
}

.btn-group--center {
  justify-content: center;
}

/* === Cards === */
.card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: var(--space-lg);
  box-shadow: var(--shadow-card);
  transition: box-shadow var(--duration-normal) ease-out, transform var(--duration-normal) ease-out;
}

.card:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
}

.card:focus-within {
  box-shadow: var(--shadow-card-hover);
  outline: 2px solid var(--color-teal-light);
  outline-offset: 2px;
}

@media (min-width: 1024px) {
  .card {
    padding: var(--space-xl);
  }
}

.card__icon {
  width: 48px;
  height: 48px;
  color: var(--color-icon);
  margin-bottom: var(--space-base);
}

.card__title {
  font-size: 22px;
  line-height: 1.32;
  margin-bottom: var(--space-sm);
}

@media (max-width: 767px) {
  .card__title {
    font-size: 20px;
  }
}

/* === Step Cards === */
.step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
}

@media (min-width: 1024px) {
  .step {
    flex-direction: row;
    text-align: left;
    align-items: flex-start;
  }
}

.step__badge {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: var(--color-step-badge-bg);
  color: var(--color-step-badge-text);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 700;
  flex-shrink: 0;
  margin-bottom: var(--space-base);
}

@media (min-width: 1024px) {
  .step__badge {
    margin-bottom: 0;
    margin-right: var(--space-lg);
  }
}

.step__content {
  flex: 1;
}

/* === Pricing Cards === */
.pricing-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
}

.pricing-card--featured {
  border: 2px solid var(--color-pricing-highlight);
  box-shadow: var(--shadow-featured);
  position: relative;
  padding: calc(var(--space-xl) + 8px) calc(var(--space-xl) + 4px);
  background: linear-gradient(180deg, rgba(var(--color-amber-rgb), 0.03) 0%, var(--color-surface) 40%);
}

@media (max-width: 767px) {
  .pricing-grid {
    gap: var(--space-xl);
  }
}

.pricing-card--featured::before {
  content: 'Recommended';
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--color-pricing-highlight);
  color: var(--color-white);
  font-size: 12px;
  font-weight: 700;
  padding: 4px 16px;
  border-radius: 12px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.pricing-card__name {
  margin-bottom: var(--space-sm);
}

.pricing-card__price {
  font-size: 36px;
  font-weight: 600;
  margin-bottom: var(--space-lg);
}

.pricing-card__features {
  flex: 1;
  margin-bottom: var(--space-lg);
}

.pricing-card__feature {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
}

.pricing-card__check {
  color: var(--color-pricing-check);
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  margin-top: 4px;
}

.pricing-card__period {
  font-size: 18px;
  font-weight: 400;
}

/* === FAQ Accordion === */
.faq-category {
  margin-bottom: var(--space-xl);
}

.faq-category__title {
  margin-bottom: var(--space-base);
}

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

.faq-item:last-child {
  border-bottom: none;
}

.faq-item__question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-base) 0;
  font-size: var(--font-size-body);
  font-weight: 600;
  color: var(--color-text);
  text-align: left;
  cursor: pointer;
  background: none;
  border: none;
  font-family: var(--font-family);
  gap: var(--space-base);
  min-height: 44px;
}

.faq-item__question {
  transition: background-color var(--duration-fast) ease-out;
}

.faq-item__question:hover {
  background-color: rgba(var(--color-teal-rgb), 0.04);
}

.faq-item__question:active {
  background-color: rgba(var(--color-teal-rgb), 0.08);
}

.faq-item__question:focus-visible {
  outline: 2px solid var(--color-teal-dark);
  outline-offset: 2px;
  border-radius: var(--border-radius-sm);
}

.faq-item__chevron {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  transition: transform var(--duration-normal) ease-out;
  color: var(--color-teal-dark);
}

.faq-item[open] .faq-item__chevron {
  transform: rotate(180deg);
}

.faq-item__answer {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--duration-slow) ease-out;
}

.faq-item[open] .faq-item__answer {
  grid-template-rows: 1fr;
}

.faq-item__answer-inner {
  overflow: hidden;
}

.faq-item__answer-inner p {
  padding-bottom: var(--space-base);
  color: var(--color-text);
  max-width: var(--max-width-line);
}

/* === Header === */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  z-index: var(--z-header);
  display: flex;
  align-items: center;
  background-color: var(--color-bg);
  transition: background-color var(--duration-normal) ease-out,
              box-shadow var(--duration-normal) ease-out;
}

.header.is-scrolled {
  background-color: var(--color-header-scrolled-bg);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: var(--shadow-header);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--page-padding-mobile);
}

@media (min-width: 768px) {
  .header__inner {
    padding: 0 var(--page-padding-tablet);
  }
}

@media (min-width: 1024px) {
  .header__inner {
    padding: 0 var(--page-padding-desktop);
  }
}

.header__logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--color-text);
  text-decoration: none;
}

.header__logo-img {
  height: 32px;
  width: auto;
}

.header__logo-text {
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.header__nav {
  display: none;
  align-items: center;
  gap: var(--space-xl);
}

@media (min-width: 768px) {
  .header__nav {
    display: flex;
  }
}

.header__nav-link {
  font-size: var(--font-size-nav);
  font-weight: var(--font-weight-nav);
  line-height: var(--line-height-nav);
  color: var(--color-text);
  transition: color var(--duration-fast) ease-out;
  padding: var(--space-sm) 0;
  position: relative;
}

.header__nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-teal);
  transition: width var(--duration-normal) ease-out;
}

.header__nav-link:hover::after {
  width: 100%;
}

.header__nav-link:hover {
  color: var(--color-teal);
}

.header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-base);
}

.header__hamburger {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  color: var(--color-text);
  border-radius: var(--border-radius);
  transition: background-color var(--duration-fast) ease-out;
}

.header__hamburger:hover,
.header__hamburger:active {
  background-color: rgba(var(--color-black-rgb), 0.05);
}

.header__hamburger:focus-visible {
  outline: 2px solid var(--color-teal-dark);
  outline-offset: 2px;
}

@media (min-width: 768px) {
  .header__hamburger {
    display: none;
  }
}

/* === Mobile Nav === */
.mobile-nav-overlay {
  position: fixed;
  inset: 0;
  background-color: var(--color-overlay);
  z-index: var(--z-overlay);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--duration-normal) ease-out,
              visibility var(--duration-normal) ease-out;
}

.mobile-nav-overlay.is-open {
  opacity: 1;
  visibility: visible;
}

.mobile-nav {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 280px;
  background-color: var(--color-surface);
  z-index: var(--z-mobile-nav);
  transform: translateX(100%);
  transition: transform var(--duration-slow) var(--ease-out-cubic);
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
}

.mobile-nav.is-open {
  transform: translateX(0);
}

.mobile-nav::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(to right, var(--color-amber), var(--color-teal));
}

.mobile-nav__close {
  align-self: flex-end;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text);
  margin-bottom: var(--space-lg);
}

.mobile-nav__link {
  display: flex;
  align-items: center;
  font-size: var(--font-size-body);
  font-weight: 500;
  color: var(--color-text);
  padding: var(--space-md) 0;
  min-height: 48px;
  border-bottom: 1px solid var(--color-border);
}

.mobile-nav__link:hover {
  color: var(--color-teal);
}

.mobile-nav__cta {
  margin-top: var(--space-lg);
}

/* === Footer === */
.footer {
  background-color: var(--color-footer-bg);
  color: var(--color-footer-text);
  padding-top: var(--space-3xl);
  padding-bottom: var(--space-xl);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

@media (min-width: 768px) {
  .footer__grid {
    grid-template-columns: 1.5fr 1fr 1.5fr;
  }
}

.footer__brand-tagline {
  margin-top: var(--space-sm);
  color: var(--color-footer-text);
  font-size: var(--font-size-body-sm);
}

.footer__heading {
  font-size: var(--font-size-body-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: var(--space-base);
  color: var(--color-footer-text);
}

.footer__link {
  display: block;
  color: var(--color-footer-link);
  font-size: var(--font-size-body-sm);
  padding: var(--space-xs) 0;
  transition: color var(--duration-fast) ease-out;
}

.footer__link:hover {
  color: var(--color-footer-link-hover);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.footer__badges {
  display: flex;
  gap: var(--space-base);
  flex-wrap: wrap;
}

@media (min-width: 768px) {
  .footer__badges {
    flex-wrap: nowrap;
  }
}

.footer__badge {
  min-height: 44px;
  width: auto;
}

.footer__bottom {
  border-top: 1px solid var(--color-footer-border);
  padding-top: var(--space-lg);
  text-align: center;
}

.footer__copyright {
  font-size: var(--font-size-label-sm);
  color: var(--color-footer-text);
}

/* === Store Badges === */
.store-badges {
  display: flex;
  gap: var(--space-base);
  flex-wrap: wrap;
}

.store-badges--center {
  justify-content: center;
}

/* Store badges */
.store-badge-img {
  height: 40px;
  width: 135px;
  object-fit: contain;
  transition: opacity var(--duration-fast) ease-out;
  border-radius: 6px;
}

.store-badge-img:hover {
  opacity: 0.85;
}

/* === Legal page styles === */
.legal-content {
  max-width: var(--max-width-text);
  margin: 0 auto;
}

.legal-content h2 {
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-base);
}

.legal-content h3 {
  font-size: var(--font-size-h4);
  margin-top: var(--space-xl);
  margin-bottom: var(--space-sm);
}

.legal-content p {
  margin-bottom: var(--space-base);
  max-width: var(--max-width-line);
}

.legal-content ul, .legal-content ol {
  margin-bottom: var(--space-base);
  padding-left: var(--space-lg);
}

.legal-content li {
  margin-bottom: var(--space-sm);
  list-style: disc;
}

.legal-content ol li {
  list-style: decimal;
}

.legal-content table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: var(--space-lg);
  font-size: var(--font-size-body-sm);
}

.legal-content th,
.legal-content td {
  text-align: left;
  padding: var(--space-sm) var(--space-md);
  border-bottom: 1px solid var(--color-border);
}

.legal-content th {
  font-weight: 600;
  color: var(--color-text);
  background-color: var(--color-bg-alt);
  border-bottom: 2px solid var(--color-border);
}

.legal-content td {
  vertical-align: top;
}

.table-responsive {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin-bottom: var(--space-lg);
}

.legal-content a {
  color: var(--color-link);
}

.legal-content a:hover {
  color: var(--color-link-hover);
}

.legal-content a,
.tips-content a,
.faq-item__answer a {
  text-decoration: underline;
  text-decoration-color: var(--color-teal-light);
  text-underline-offset: 3px;
}

.legal-content a:hover,
.tips-content a:hover,
.faq-item__answer a:hover {
  text-decoration-color: var(--color-teal);
}

/* === Form styles === */
.form__checkbox {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  cursor: pointer;
  min-height: 44px;
  padding: var(--space-sm) 0;
}

.form__checkbox input[type="checkbox"] {
  width: 20px;
  height: 20px;
  min-width: 20px;
  margin-top: 2px;
  accent-color: var(--color-teal);
  cursor: pointer;
}

.form {
  max-width: 480px;
  margin: 0 auto;
}

.form__group {
  margin-bottom: var(--space-lg);
}

.form__label {
  display: block;
  font-weight: 500;
  margin-bottom: var(--space-sm);
  color: var(--color-text);
}

.form__input,
.form__select,
.form__textarea {
  width: 100%;
  padding: var(--space-md) var(--space-base);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--border-radius);
  font-family: var(--font-family);
  font-size: var(--font-size-body);
  color: var(--color-text);
  background-color: var(--color-surface);
  transition: border-color var(--duration-fast) ease-out;
}

.form__input:focus,
.form__select:focus,
.form__textarea:focus {
  outline: none;
  border-color: var(--color-teal);
  box-shadow: var(--shadow-focus-ring);
}

.form__textarea {
  min-height: 100px;
  resize: vertical;
}

.form__required {
  color: var(--color-text-secondary);
  font-size: var(--font-size-body-sm);
}

/* Callout */
.callout {
  padding: var(--space-lg);
  border-radius: var(--border-radius);
  margin-bottom: var(--space-lg);
}

.callout--warning {
  background-color: rgba(var(--color-amber-rgb), 0.08);
  border-left: 3px solid var(--color-amber);
}

/* === Header Download button: hide on mobile === */
.header__actions .btn {
  display: none;
}

@media (min-width: 768px) {
  .header__actions .btn {
    display: inline-flex;
  }
}

/* === Utility: visually hidden === */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}