/* ============================================================
   EthosEcho — Components
   Nav, Footer, FAQ Accordion, CTA, Cards, Breadcrumbs, Badge
   ============================================================ */

/* --- Navigation --- */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-height);
  background-color: color-mix(in srgb, var(--color-bg) 85%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  view-transition-name: nav;
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--space-lg);
}

.nav__logo {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--color-text);
  text-decoration: none;
  letter-spacing: -0.03em;
}

.nav__logo:hover {
  text-decoration: none;
  color: var(--color-primary);
}

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

.nav__link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--duration-fast);
}

.nav__link:hover {
  color: var(--color-primary);
  text-decoration: none;
}

.nav__cta {
  font-size: var(--text-sm);
}

/* Mobile nav toggle */
.nav__toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
}

.nav__toggle-bar {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-text);
  margin: 5px 0;
  transition: transform var(--duration-normal) var(--ease-out);
}

@media (max-width: 768px) {
  .nav__links {
    display: none;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    flex-direction: column;
    background-color: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-lg);
    gap: var(--space-md);
  }

  .nav__links.is-open {
    display: flex;
  }

  .nav__toggle {
    display: block;
  }
}

/* --- Breadcrumbs --- */
.breadcrumbs {
  padding-block: var(--space-md);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.breadcrumbs__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-xs);
}

.breadcrumbs__separator {
  color: var(--color-text-muted);
  user-select: none;
}

.breadcrumbs__link {
  color: var(--color-text-secondary);
}

.breadcrumbs__current {
  color: var(--color-text);
  font-weight: 500;
}

/* --- FAQ Accordion --- */
.faq {
  max-width: var(--max-width-narrow);
  margin-inline: auto;
}

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

.faq__item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg) 0;
  cursor: pointer;
  font-weight: 600;
  font-size: var(--text-lg);
  color: var(--color-text);
  list-style: none;
  transition: color var(--duration-fast);
}

.faq__item summary::-webkit-details-marker {
  display: none;
}

.faq__item summary::after {
  content: "+";
  font-size: var(--text-xl);
  font-weight: 300;
  color: var(--color-text-muted);
  transition: transform var(--duration-normal) var(--ease-out);
  flex-shrink: 0;
  margin-left: var(--space-md);
}

.faq__item[open] summary::after {
  transform: rotate(45deg);
}

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

.faq__answer {
  padding-bottom: var(--space-lg);
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* --- CTA Section --- */
.cta-section {
  text-align: center;
  padding-block: var(--space-4xl);
  margin-bottom: var(--space-2xl);
  view-transition-name: cta;
}

.cta-section__heading {
  margin-bottom: var(--space-md);
}

.cta-section__sub {
  margin-bottom: var(--space-xl);
  color: var(--color-text-secondary);
  margin-inline: auto;
}

.cta-section__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}

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

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

.card__title {
  font-weight: 600;
  font-size: var(--text-lg);
  margin-bottom: var(--space-sm);
}

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

/* --- Privacy Badge --- */
.privacy-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: var(--text-sm);
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.privacy-badge__icon {
  width: 20px;
  height: 20px;
}

/* --- Rating Stars --- */
.rating {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
}

.rating__stars {
  display: flex;
  gap: 2px;
  color: #FBBF24;
}

.rating__count {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* --- Footer --- */
.footer {
  border-top: 1px solid var(--color-border);
  padding-block: var(--space-3xl) var(--space-xl);
  background-color: var(--color-bg-alt);
  view-transition-name: footer;
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr repeat(4, 1fr);
  gap: var(--space-2xl);
  margin-bottom: var(--space-2xl);
}

.footer__brand-name {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: var(--space-sm);
  letter-spacing: -0.03em;
}

.footer__brand-desc {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  max-width: 30ch;
}

.footer__col-title {
  font-weight: 700;
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

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

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

.footer__bottom {
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.footer__copyright {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.footer__bottom-links {
  display: flex;
  gap: var(--space-lg);
}

.footer__bottom-link {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

@media (max-width: 768px) {
  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
  }

  .footer__brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 480px) {
  .footer__grid {
    grid-template-columns: 1fr;
  }
}