/* ==========================================================================
   PetFiles — Components (Buttons, Cards, Nav, Accordion, Badges)
   ========================================================================== */

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-2xl);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  line-height: 1;
  border-radius: var(--radius-pill);
  transition: all var(--transition-base);
  text-decoration: none;
  white-space: nowrap;
}

.btn--primary {
  background-color: var(--color-primary);
  color: #fff;
}

.btn--primary:hover {
  background-color: var(--color-primary-light);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn--secondary {
  background-color: var(--color-secondary);
  color: var(--color-primary-variant);
}

.btn--secondary:hover {
  background-color: var(--color-secondary-light);
  color: var(--color-primary-variant);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn--outline {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn--outline:hover {
  background-color: var(--color-primary);
  color: #fff;
}

.btn--lg {
  padding: var(--space-lg) var(--space-3xl);
  font-size: var(--font-size-md);
}

/* Store badges */
.store-badge {
  display: inline-block;
  height: 48px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.store-badge:hover {
  transform: translateY(-2px);
  opacity: 0.9;
}

.store-badge img {
  height: 100%;
  width: auto;
}

/* ---- Navigation ---- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  transition: background-color var(--transition-base), box-shadow var(--transition-base),
              backdrop-filter var(--transition-base);
}

.nav--scrolled {
  background-color: rgba(249, 248, 244, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
}

[data-theme="dark"] .nav--scrolled,
.dark .nav--scrolled {
  background-color: rgba(15, 18, 16, 0.92);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .nav--scrolled {
    background-color: rgba(15, 18, 16, 0.92);
  }
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-2xl);
}

.nav__brand {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  text-decoration: none;
}

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

.nav__brand img {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-3xl);
}

.nav__link {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

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

/* Dark mode toggle */
.theme-toggle {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  color: var(--color-text-secondary);
  transition: background-color var(--transition-fast), color var(--transition-fast);
  cursor: pointer;
  background: none;
  border: none;
  font-size: var(--font-size-lg);
}

.theme-toggle:hover {
  background-color: var(--color-surface);
  color: var(--color-primary);
}

/* Mobile hamburger */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  padding: 4px 0;
  background: none;
  border: none;
  cursor: pointer;
}

.nav__hamburger span {
  display: block;
  height: 2px;
  width: 100%;
  background-color: var(--color-text-primary);
  border-radius: 2px;
  transition: all var(--transition-base);
}

.nav__hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav__hamburger.active span:nth-child(2) {
  opacity: 0;
}

.nav__hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile menu */
.nav__mobile {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(249, 248, 244, 0.72);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  padding: var(--space-3xl) var(--space-2xl);
  flex-direction: column;
  gap: var(--space-2xl);
  z-index: 999;
  opacity: 0;
  transform: translateY(-10px);
  transition: opacity var(--transition-base), transform var(--transition-base);
}

.nav__mobile.active {
  display: flex;
  opacity: 1;
  transform: translateY(0);
}

[data-theme="dark"] .nav__mobile,
.dark .nav__mobile {
  background-color: rgba(15, 18, 16, 0.72);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .nav__mobile {
    background-color: rgba(15, 18, 16, 0.72);
  }
}

.nav__mobile .nav__link {
  font-size: var(--font-size-lg);
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--color-surface-border);
}

@media (max-width: 768px) {
  .nav__links,
  .nav__actions .btn {
    display: none;
  }

  .nav__hamburger {
    display: flex;
  }
}

/* ---- Cards ---- */
.card {
  background-color: var(--color-bg);
  border-radius: var(--radius-default);
  padding: var(--space-3xl);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

.card__icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-primary);
  border-radius: var(--radius-default);
  margin-bottom: var(--space-xl);
  color: #fff;
  font-size: var(--font-size-xl);
}

.card__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-sm);
}

.card__text {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

/* ---- Pricing Cards ---- */
.pricing-card {
  background-color: var(--color-bg);
  border: 2px solid var(--color-surface-border);
  border-radius: var(--radius-xl);
  padding: var(--space-4xl);
  text-align: center;
  position: relative;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.pricing-card--featured {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
  transform: scale(1.05);
}

.pricing-card--featured:hover {
  transform: scale(1.07) translateY(-4px);
}

.pricing-card--featured .pricing-card__price,
.pricing-card--featured .pricing-card__name,
.pricing-card--featured .pricing-card__feature {
  color: #fff;
}

.pricing-card--featured .pricing-card__feature-icon {
  color: var(--color-secondary);
}

.pricing-card__badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--color-secondary);
  color: var(--color-primary-variant);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  padding: var(--space-xs) var(--space-lg);
  border-radius: var(--radius-pill);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.pricing-card__name {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-lg);
}

.pricing-card__price {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-xs);
}

.pricing-card__price span {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-regular);
  opacity: 0.7;
}

.pricing-card__period {
  font-size: var(--font-size-sm);
  opacity: 0.7;
  margin-bottom: var(--space-3xl);
}

.pricing-card__features {
  text-align: left;
  margin-bottom: var(--space-3xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.pricing-card__feature {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.pricing-card__feature-icon {
  color: var(--color-success);
  font-size: var(--font-size-base);
  flex-shrink: 0;
}

/* ---- Badge ---- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 2px var(--space-sm);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-pill);
  background-color: var(--color-secondary);
  color: var(--color-primary-variant);
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

/* ---- Accordion (FAQ) ---- */
.accordion {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.accordion__item {
  border: 1px solid var(--color-surface-border);
  border-radius: var(--radius-default);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.accordion__item[open] {
  border-color: var(--color-primary);
}

.accordion__trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--space-xl) var(--space-2xl);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  cursor: pointer;
  list-style: none;
  transition: color var(--transition-fast);
}

.accordion__trigger::-webkit-details-marker {
  display: none;
}

.accordion__trigger::after {
  content: '+';
  font-size: var(--font-size-xl);
  color: var(--color-text-muted);
  transition: transform var(--transition-base);
  flex-shrink: 0;
  margin-left: var(--space-lg);
}

.accordion__item[open] .accordion__trigger::after {
  content: '−';
  color: var(--color-primary);
}

.accordion__content {
  padding: 0 var(--space-2xl) var(--space-xl);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
}

/* ---- Store badge theme switching ---- */
.store-badge__dark {
  display: none;
}

[data-theme="dark"] .store-badge__light,
.dark .store-badge__light {
  display: none;
}

[data-theme="dark"] .store-badge__dark,
.dark .store-badge__dark {
  display: inline;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .store-badge__light {
    display: none;
  }

  :root:not([data-theme="light"]) .store-badge__dark {
    display: inline;
  }
}

/* ---- "New" badge ---- */
.badge--new {
  background-color: var(--color-primary);
  color: #fff;
  font-size: var(--font-size-xs);
  padding: var(--space-xs) var(--space-lg);
}

[data-theme="dark"] .badge--new,
.dark .badge--new {
  background-color: #3A5D4E;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .badge--new {
    background-color: #3A5D4E;
  }
}

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

/* ---- Android coming soon (hero) ---- */
.hero__android-soon {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-sm);
}

/* ---- Screenshot Modal ---- */
.screenshot-modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.88);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  cursor: zoom-out;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

.screenshot-modal.active {
  opacity: 1;
  visibility: visible;
}

.screenshot-modal__img {
  max-height: 90vh;
  max-width: 90vw;
  width: auto;
  height: auto;
  border-radius: var(--radius-xl);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.5);
  cursor: default;
  transform: scale(0.92);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.screenshot-modal.active .screenshot-modal__img {
  transform: scale(1);
}

.screenshot-modal__close {
  position: absolute;
  top: var(--space-2xl);
  right: var(--space-2xl);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-2xl);
  color: rgba(255, 255, 255, 0.7);
  background: rgba(255, 255, 255, 0.1);
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.screenshot-modal__close:hover {
  background: rgba(255, 255, 255, 0.2);
  color: #fff;
}

/* ---- Muted footer link ---- */
.footer__link--muted {
  color: rgba(255, 255, 255, 0.5);
  cursor: default;
}

/* ---- Pricing Toggle ---- */
.pricing-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  margin-bottom: var(--space-4xl);
}

.pricing-toggle__label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  cursor: pointer;
}

.pricing-toggle__label.active {
  color: var(--color-text-primary);
  font-weight: var(--font-weight-semibold);
}

.pricing-toggle__switch {
  position: relative;
  width: 48px;
  height: 26px;
  background-color: var(--color-surface-border);
  border-radius: 13px;
  cursor: pointer;
  transition: background-color var(--transition-base);
}

.pricing-toggle__switch.active {
  background-color: var(--color-primary);
}

.pricing-toggle__switch::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 20px;
  height: 20px;
  background-color: #fff;
  border-radius: var(--radius-full);
  transition: transform var(--transition-base);
}

.pricing-toggle__switch.active::after {
  transform: translateX(22px);
}

.pricing-toggle__save {
  font-size: var(--font-size-xs);
  color: var(--color-success);
  font-weight: var(--font-weight-semibold);
}

/* ---- Breadcrumb ---- */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-2xl);
}

.breadcrumb a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.breadcrumb a:hover {
  color: var(--color-primary-light);
}

.breadcrumb__separator {
  color: var(--color-text-muted);
}