/* === Site Header === */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s, box-shadow 0.3s;
  height: var(--header-height);
}

.site-header.scrolled {
  border-bottom-color: var(--color-border);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

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

.header-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-weight: 700;
  font-size: var(--font-size-lg);
  color: var(--color-text);
}

.header-logo:hover {
  color: var(--color-text);
}

.header-logo img,
.header-logo svg {
  height: 44px;
  width: auto;
}

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

.header-nav a {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  font-weight: 500;
  transition: color 0.2s;
}

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

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
  color: var(--color-text);
}

@media (max-width: 768px) {
  .nav-toggle {
    display: block;
  }

  .header-nav {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    padding: var(--space-lg);
    gap: var(--space-lg);
    border-bottom: 1px solid var(--color-border);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  }

  .header-nav.open {
    display: flex;
  }
}

/* === Site Footer === */
.site-footer {
  background: var(--color-text);
  color: #ccc;
  padding: var(--space-3xl) 0 var(--space-xl);
}

.footer-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

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

.footer-brand p {
  margin-top: var(--space-sm);
  font-size: var(--font-size-sm);
  max-width: 320px;
}

.footer-links h4 {
  color: #fff;
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-md);
}

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

.footer-links a {
  color: #aaa;
  font-size: var(--font-size-sm);
  transition: color 0.2s;
}

.footer-links a:hover {
  color: #fff;
}

.footer-bottom {
  border-top: 1px solid #333;
  padding-top: var(--space-lg);
  font-size: var(--font-size-xs);
  color: #888;
  text-align: center;
}

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

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.75rem 1.5rem;
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  font-weight: 600;
  border-radius: var(--border-radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
  line-height: 1;
}

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

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

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

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

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

.btn-lg {
  padding: 1rem 2rem;
  font-size: var(--font-size-base);
}

/* === Cards === */
.card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: var(--space-xl);
  transition: box-shadow 0.3s, transform 0.3s;
}

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

.card-icon {
  width: 48px;
  height: 48px;
  background: var(--color-primary-light);
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
  color: var(--color-primary);
}

.card h3 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-sm);
}

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

/* === Badge === */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 0.35rem 0.75rem;
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-size: var(--font-size-xs);
  font-weight: 600;
  border-radius: 999px;
}

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

.accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding: var(--space-lg) 0;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-text);
  text-align: left;
  line-height: 1.4;
}

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

.accordion-trigger:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: -2px;
}

.accordion-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  transition: transform 0.3s;
}

.accordion-item.open .accordion-icon {
  transform: rotate(45deg);
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.accordion-content-inner {
  padding-bottom: var(--space-lg);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  line-height: 1.7;
}

.accordion-content-inner p + p {
  margin-top: var(--space-sm);
}

/* === Comparison Table === */
.comparison-table-wrapper {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  background: var(--color-bg);
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-size-sm);
}

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

.comparison-table thead th {
  background: var(--color-bg-dark);
  color: #fff;
  font-weight: 700;
  font-size: var(--font-size-sm);
}

.comparison-table thead th:first-child {
  border-top-left-radius: var(--border-radius-lg);
}

.comparison-table thead th:last-child {
  border-top-right-radius: var(--border-radius-lg);
}

.comparison-table tbody tr:last-child td {
  border-bottom: none;
}

.comparison-table tbody tr:hover {
  background: var(--color-bg-alt);
}

.comparison-table .check {
  color: var(--color-success);
  font-weight: 700;
}

.comparison-table .cross {
  color: #ccc;
}

.comparison-table .highlight-col {
  background: rgba(46, 204, 113, 0.06);
}

.comparison-table thead .highlight-col {
  background: var(--color-primary);
}

.comparison-table .comparison-group-header td {
  background: var(--color-bg-alt);
  font-weight: 700;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-secondary);
  padding: var(--space-sm) var(--space-lg);
}

.comparison-table .comparison-group-header:hover {
  background: none;
}

/* Comparison Table — Mobile Stacked Layout */
@media (max-width: 768px) {
  .comparison-table thead {
    display: none;
  }

  .comparison-table,
  .comparison-table tbody,
  .comparison-table tr,
  .comparison-table td {
    display: block;
    width: 100%;
  }

  .comparison-table tr {
    padding: var(--space-md) var(--space-lg);
    border-bottom: 1px solid var(--color-border);
  }

  .comparison-table tbody tr:last-child {
    border-bottom: none;
  }

  .comparison-table td {
    padding: var(--space-xs) var(--space-lg);
    border-bottom: none;
    text-align: left;
  }

  .comparison-table td:first-child {
    font-weight: 700;
    color: var(--color-text);
    padding-top: var(--space-sm);
    padding-bottom: var(--space-xs);
  }

  .comparison-table td:not(:first-child)::before {
    content: attr(data-label);
    font-weight: 600;
    color: var(--color-text);
    margin-right: var(--space-sm);
  }

  .comparison-table td:last-child {
    padding-bottom: var(--space-sm);
  }

  .comparison-table .highlight-col {
    background: none;
  }

  .comparison-table tbody tr:hover {
    background: none;
  }

  .comparison-table .comparison-group-header {
    display: none;
  }
}

/* === Steps === */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  counter-reset: step;
}

.step {
  text-align: center;
  position: relative;
}

.step-number {
  width: 48px;
  height: 48px;
  background: var(--color-primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: var(--font-size-lg);
  margin: 0 auto var(--space-md);
}

.step h3 {
  font-size: var(--font-size-base);
  margin-bottom: var(--space-sm);
}

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

@media (max-width: 768px) {
  .steps {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin: 0 auto;
  }
}

/* === Section-Dark Overrides === */
.section-dark .step-number {
  background: #fff;
  color: var(--color-bg-dark);
}

.section-dark .step h3 {
  color: #fff;
}

.section-dark .step p {
  color: rgba(255, 255, 255, 0.7);
}

/* === Section-Accent-Strong Overrides === */
.section-accent-strong .btn-primary {
  background: #fff;
  color: var(--color-primary);
  border-color: #fff;
}

.section-accent-strong .btn-primary:hover {
  background: rgba(255, 255, 255, 0.9);
  border-color: rgba(255, 255, 255, 0.9);
  color: var(--color-primary-dark);
}

.section-accent-strong .badge {
  background: rgba(255, 255, 255, 0.2);
  color: #fff;
}

/* === Page Header === */
.page-header {
  padding: var(--space-3xl) 0 var(--space-2xl);
  background: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
}

.page-header h1 {
  margin-bottom: var(--space-sm);
}

.page-header p {
  color: var(--color-text-secondary);
  font-size: var(--font-size-lg);
  max-width: 600px;
}

/* === Content Styles (for guide/support/privacy pages) === */
.content h2 {
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--color-border);
}

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

.content h4 {
  margin-top: var(--space-lg);
  margin-bottom: var(--space-sm);
  font-size: var(--font-size-base);
}

.content p {
  margin-bottom: var(--space-md);
  color: var(--color-text-secondary);
}

.content ul,
.content ol {
  margin-bottom: var(--space-md);
  padding-left: var(--space-xl);
}

.content ul {
  list-style: disc;
}

.content ol {
  list-style: decimal;
}

.content li {
  margin-bottom: var(--space-xs);
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.content strong {
  color: var(--color-text);
}

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

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

.content table th {
  background: var(--color-bg-alt);
  font-weight: 600;
}

.content .callout {
  background: var(--color-primary-light);
  border-left: 4px solid var(--color-primary);
  padding: var(--space-md) var(--space-lg);
  border-radius: 0 var(--border-radius) var(--border-radius) 0;
  margin-bottom: var(--space-xl);
}

.content .callout p {
  color: var(--color-text);
  margin-bottom: 0;
}

/* === Feature Showcase === */
.feature-row {
  padding: var(--space-3xl) 0;
}

.feature-row:first-of-type {
  padding-top: 0;
}

.feature-row:nth-child(even) {
  background: var(--color-bg);
}

.feature-row__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.feature-row--reversed .feature-media {
  order: -1;
}

.feature-text {
  max-width: 480px;
}

.feature-label {
  display: inline-block;
  font-size: var(--font-size-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

.feature-text h3 {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--space-md);
}

.feature-text p {
  color: var(--color-text-secondary);
  font-size: var(--font-size-lg);
  line-height: 1.7;
  margin-bottom: var(--space-lg);
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  list-style: none;
  padding: 0;
}

.feature-list li {
  position: relative;
  padding-left: var(--space-lg);
  color: var(--color-text-secondary);
  font-size: var(--font-size-base);
  line-height: 1.6;
}

.feature-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
}

.feature-media {
  display: flex;
  justify-content: center;
  gap: var(--space-lg);
  align-items: flex-start;
  flex-wrap: nowrap;
}

.feature-screenshot {
  width: 240px;
  flex-shrink: 1;
  min-width: 0;
  height: auto;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
}

.feature-screenshot:nth-child(2) {
  margin-top: var(--space-3xl);
}

.feature-screenshot--solo {
  width: 280px;
}

/* Feature Showcase Responsive */
@media (max-width: 1024px) {
  .feature-screenshot {
    width: 200px;
  }

  .feature-screenshot--solo {
    width: 240px;
  }

  .feature-text h3 {
    font-size: var(--font-size-xl);
  }
}

@media (max-width: 768px) {
  .feature-row__inner {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
    text-align: center;
  }

  .feature-row--reversed .feature-media {
    order: 0;
  }

  .feature-text {
    max-width: 100%;
  }

  .feature-list {
    max-width: fit-content;
    margin: 0 auto;
    text-align: left;
  }

  .feature-media {
    justify-content: center;
  }

  .feature-screenshot {
    width: 180px;
  }

  .feature-screenshot--solo {
    width: 220px;
  }

  .feature-screenshot:nth-child(2) {
    margin-top: 0;
  }

  /* Switch fade animations to vertical on mobile */
  .feature-row .fade-left,
  .feature-row .fade-right {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
  }

  .feature-row .fade-left.visible,
  .feature-row .fade-right.visible {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 480px) {
  .feature-screenshot {
    width: 140px;
  }

  .feature-screenshot--solo {
    width: 200px;
  }

  .feature-screenshot:nth-child(2) {
    margin-top: 0;
  }
}