/* ========================================
   Component Styles
   ======================================== */

/* --- Header --- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--header-height);
  background: rgba(250, 245, 237, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  transition: height var(--transition-base), box-shadow var(--transition-base);
}

@media (prefers-color-scheme: dark) {
  .site-header { background: rgba(33, 31, 28, 0.85); }
}

.site-header.scrolled {
  height: var(--header-height-scrolled);
  box-shadow: var(--card-shadow);
}

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

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  text-decoration: none;
  transition: opacity var(--transition-fast);
}

.logo:hover { opacity: 0.8; color: var(--text-primary); }

.logo-icon {
  width: 32px; height: 32px;
  background: var(--accent-blue);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 0.875rem;
  transition: transform var(--spring);
  flex-shrink: 0;
}

.logo:hover .logo-icon { transform: scale(1.05); }

/* Desktop Navigation */
.nav-desktop {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-desktop a {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  font-weight: 500;
  text-decoration: none;
  transition: color var(--transition-fast);
  position: relative;
}

.nav-desktop a:hover,
.nav-desktop a.active { color: var(--text-primary); }

.nav-desktop a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 2px;
  background: var(--accent-blue);
  border-radius: 1px;
  transition: width var(--transition-base);
}

.nav-desktop a:hover::after,
.nav-desktop a.active::after { width: 100%; }

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Mobile Nav Toggle */
.mobile-nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
  background: none;
  border: none;
  cursor: pointer;
}

.mobile-nav-toggle span {
  width: 20px; height: 2px;
  background: var(--text-primary);
  border-radius: 1px;
  transition: all var(--transition-base);
}

.mobile-nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.mobile-nav-toggle.active span:nth-child(2) { opacity: 0; }
.mobile-nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Navigation */
.nav-mobile {
  display: none;
  position: absolute;
  top: 100%; left: 0; right: 0;
  background: var(--card-bg);
  border-bottom: 1px solid var(--border-color);
  box-shadow: var(--card-shadow);
  padding: 16px var(--container-padding);
  flex-direction: column;
  gap: 4px;
}

.nav-mobile.active { display: flex; }

.nav-mobile a {
  color: var(--text-secondary);
  font-size: 1rem;
  font-weight: 500;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.nav-mobile a:hover {
  background: var(--accent-blue-light);
  color: var(--accent-blue);
}

@media (max-width: 768px) {
  .nav-desktop { display: none; }
  .mobile-nav-toggle { display: flex; }
  .footer-info {
    flex-direction: column;
    gap: 4px;
  }
}

/* --- Skip Link --- */
.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
  z-index: 999;
  text-decoration: none;
}

.skip-link:focus {
  left: 16px;
  top: 16px;
  background: var(--accent-blue);
  color: white;
  padding: 8px 16px;
  border-radius: 4px;
}

/* --- Mobile Nav Backdrop --- */
.nav-mobile.active::before {
  content: '';
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.3);
  z-index: -1;
}

/* --- Footer --- */
.site-footer {
  background: var(--card-bg);
  border-top: 1px solid var(--border-color);
  padding: 32px 0;
  margin-top: 0;
}

.footer-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  text-align: center;
}

.footer-brand {
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--text-primary);
}

.footer-info {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 24px;
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

.footer-info a {
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.footer-info a:hover { color: var(--accent-blue); }

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.8125rem;
  transition: color var(--transition-fast);
}

.footer-links a:hover { color: var(--accent-blue); }

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 8px 24px;
}

.footer-links-inline {
  color: var(--text-secondary);
  font-size: 0.75rem;
  opacity: 0.8;
  transition: color var(--transition-fast);
}

.footer-links-inline:hover { color: var(--accent-blue); opacity: 1; }

.footer-copyright {
  color: var(--text-secondary);
  font-size: 0.75rem;
  opacity: 0.8;
}

.footer-icp {
  font-size: 0.75rem;
  opacity: 0.6;
}

.footer-icp a {
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.footer-icp a:hover {
  color: var(--accent-blue);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 50px;
  font-size: 0.9375rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  border: none;
  transition: all var(--transition-base);
  text-decoration: none;
}

.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--accent-blue);
  color: white;
  box-shadow: 0 4px 12px rgba(90, 143, 184, 0.3);
}

.btn-primary:hover {
  background: var(--accent-blue-hover);
  color: white;
  box-shadow: 0 6px 20px rgba(90, 143, 184, 0.4);
}

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

.btn-outline:hover {
  background: var(--accent-blue-light);
  color: var(--accent-blue);
}

/* --- Cards --- */
.card {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--card-shadow);
  transition: all var(--transition-base);
}

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

.warm-card {
  background: var(--card-bg);
  border-radius: var(--radius-xl);
  padding: 40px;
  box-shadow: var(--card-shadow);
}

/* --- Feature Icon --- */
.feature-icon {
  width: 48px; height: 48px;
  border-radius: var(--radius-sm);
  background: var(--accent-blue-light);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
  color: var(--accent-blue);
}

.feature-icon svg { width: 24px; height: 24px; }

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

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.0625rem;
  font-weight: 500;
  color: var(--text-primary);
  text-align: left;
  font-family: inherit;
  transition: color var(--transition-fast);
}

.faq-question:hover { color: var(--accent-blue); }

.faq-arrow {
  width: 20px; height: 20px;
  color: var(--text-secondary);
  transition: transform var(--transition-base);
  flex-shrink: 0;
}

.faq-item.active .faq-arrow { transform: rotate(180deg); }

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base), padding var(--transition-base);
}

.faq-item.active .faq-answer {
  max-height: 500px;
  padding-bottom: 20px;
}

.faq-answer p {
  font-size: 0.9375rem;
  line-height: 1.8;
}

/* --- Divider --- */
.divider {
  width: 48px; height: 3px;
  background: var(--accent-blue);
  border-radius: 2px;
  margin: 16px 0;
}