/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 24px;
}

.logo {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  white-space: nowrap;
  flex-shrink: 0;
}

.logo__accent {
  color: var(--color-primary);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.site-nav a {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color 0.2s;
}

.site-nav a:hover {
  color: var(--color-text);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, color 0.2s, box-shadow 0.2s;
  white-space: nowrap;
}

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

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

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

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

.btn--dark {
  background: var(--color-footer);
  color: #fff;
  border-color: var(--color-footer);
}

.btn--dark:hover {
  background: #1E293B;
}

.btn--lg {
  padding: 14px 28px;
  font-size: 1rem;
}

.btn--icon svg {
  width: 18px;
  height: 18px;
}

/* Cards */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
}

.card--shadow {
  box-shadow: var(--shadow-md);
  border: none;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  font-size: 0.8125rem;
  font-weight: 600;
  border-radius: var(--radius-pill);
}

.badge--success {
  background: var(--color-success-light);
  color: var(--color-success);
}

.badge--error {
  background: var(--color-error-light);
  color: var(--color-error);
}

.badge--primary {
  background: var(--color-primary-light);
  color: var(--color-primary);
}

/* Floating URL input */
.floating-input {
  display: flex;
  align-items: center;
  background: var(--color-surface);
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-float);
  padding: 8px 8px 8px 24px;
  max-width: 640px;
  width: 100%;
  margin: 0 auto;
  border: 1px solid rgba(0, 0, 0, 0.04);
}

.floating-input__field {
  flex: 1;
  border: none;
  outline: none;
  background: transparent;
  font-size: 1rem;
  color: var(--color-text);
  min-width: 0;
  padding: 12px 16px 12px 0;
}

.floating-input__field::placeholder {
  color: #9CA3AF;
}

.floating-input__btn {
  flex-shrink: 0;
  padding: 14px 28px;
  border-radius: var(--radius-pill);
  border: none;
  background: var(--color-primary);
  color: #fff;
  font-weight: 600;
  font-size: 0.9375rem;
  cursor: pointer;
  transition: background 0.2s;
}

.floating-input__btn:hover {
  background: var(--color-primary-hover);
}

/* Icon circle */
.icon-circle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-primary-light);
  color: var(--color-primary);
  flex-shrink: 0;
}

.icon-circle svg {
  width: 22px;
  height: 22px;
}

/* Stars */
.stars {
  display: flex;
  gap: 2px;
  color: #FBBF24;
}

.stars svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

/* Avatar */
.avatar {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-weight: 700;
  font-size: 0.875rem;
  flex-shrink: 0;
}

/* Footer */
.site-footer {
  background: var(--color-footer);
  color: #fff;
  padding: 64px 0 32px;
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.site-footer__brand p {
  color: var(--color-footer-muted);
  font-size: 0.9375rem;
  line-height: 1.7;
  margin-top: 16px;
  max-width: 280px;
}

.site-footer__logo {
  font-size: 1.25rem;
  font-weight: 800;
  color: #fff;
}

.site-footer__heading {
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-footer-muted);
  margin-bottom: 20px;
}

.site-footer__links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.site-footer__links a {
  font-size: 0.9375rem;
  color: #CBD5E1;
  transition: color 0.2s;
}

.site-footer__links a:hover {
  color: #fff;
}

.site-footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.875rem;
  color: var(--color-footer-muted);
  gap: 16px;
  flex-wrap: wrap;
}

.site-footer__legal {
  display: flex;
  gap: 24px;
}

.site-footer__legal a {
  color: var(--color-footer-muted);
  transition: color 0.2s;
}

.site-footer__legal a:hover {
  color: #fff;
}

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

.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0;
  font-size: 1.0625rem;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  gap: 16px;
}

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

.faq-item summary::after {
  content: '+';
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--color-text-muted);
  flex-shrink: 0;
  transition: transform 0.2s;
}

.faq-item[open] summary::after {
  content: '−';
}

.faq-item__answer {
  padding: 0 0 24px;
  color: var(--color-text-muted);
  line-height: 1.7;
  font-size: 0.9375rem;
}

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  color: var(--color-text);
}

.nav-toggle svg {
  width: 24px;
  height: 24px;
}

@media (max-width: 768px) {
  .site-nav {
    display: none;
  }

  .header-actions .btn--ghost {
    display: none;
  }

  .nav-toggle {
    display: block;
  }

  .site-footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .floating-input {
    flex-direction: column;
    border-radius: var(--radius-lg);
    padding: 16px;
    gap: 12px;
  }

  .floating-input__field {
    width: 100%;
    text-align: center;
    padding: 8px;
  }

  .floating-input__btn {
    width: 100%;
    border-radius: var(--radius-sm);
  }
}

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

  .site-footer__bottom {
    flex-direction: column;
    text-align: center;
  }
}