/* Landing Pages CSS - NihongoPlay */
/* Uses global CSS variables from global.css */

/* Container */
.landing-container {
  max-width: 900px;
  margin: 0 auto;
  padding: 70px 1.5rem 3rem;
}

/* Breadcrumb */
.breadcrumb {
  padding: 1rem 0;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.breadcrumb a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
}

.breadcrumb a:hover {
  text-decoration: underline;
}

.breadcrumb-separator {
  margin: 0 0.5rem;
  color: var(--text-muted);
}

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

/* Hero Section */
.landing-hero {
  text-align: center;
  padding: 2rem 0 3rem;
  border-bottom: 1px solid var(--card-border);
  margin-bottom: 2rem;
}

.landing-hero__title {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 0.5rem;
  line-height: 1.2;
  letter-spacing: -0.5px;
}

.landing-hero__subtitle {
  font-size: 1.25rem;
  color: var(--accent);
  margin: 0 0 1rem;
  font-weight: 600;
}

.landing-hero__description {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 1.5rem;
  line-height: 1.6;
}

.landing-hero__cta {
  margin-bottom: 1.5rem;
}

/* Primary Button */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: 10px;
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s ease;
  border: none;
}

.btn-primary {
  background: var(--accent);
  color: white;
}

.btn-primary:hover {
  background: var(--accent-light);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(243, 14, 114, 0.3);
}

.btn-secondary {
  background: var(--card-bg);
  color: var(--text-primary);
  border: 1px solid var(--card-border);
}

.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn-large {
  padding: 1rem 2rem;
  font-size: 1.1rem;
}

.landing-hero__meta {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  flex-wrap: wrap;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.landing-hero__meta span {
  display: flex;
  align-items: center;
  gap: 0.375rem;
}

.landing-hero__meta i {
  color: var(--accent);
}

/* Table of Contents */
.toc {
  background: var(--light-gray);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 1.25rem 1.5rem;
  margin-bottom: 2rem;
}

.toc h2 {
  font-size: 0.9rem;
  font-weight: 600;
  margin: 0 0 0.75rem;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.toc ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
}

.toc a {
  color: var(--accent);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
}

.toc a:hover {
  text-decoration: underline;
}

/* Landing Section */
.landing-section {
  padding: 2.5rem 0;
  border-bottom: 1px solid var(--card-border);
}

.landing-section:last-of-type {
  border-bottom: none;
}

.landing-section h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 1rem;
}

.landing-section h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 1.5rem 0 0.75rem;
}

.landing-section p {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 1rem;
}

/* Info Cards */
.info-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 1.5rem;
}

.info-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 1.5rem 1rem;
  text-align: center;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.info-card:hover {
  border-color: var(--accent);
  box-shadow: 0 4px 12px var(--shadow-color);
}

.info-card__icon {
  font-size: 2.5rem;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.info-card h3 {
  font-size: 1rem;
  font-weight: 600;
  margin: 0 0 0.5rem;
  color: var(--text-primary);
}

.info-card p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin: 0;
  line-height: 1.5;
}

/* Chart Controls */
.chart-controls {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

/* Hiragana Chart */
.hiragana-chart {
  margin: 1.5rem 0;
  overflow-x: auto;
}

.chart-row {
  display: grid;
  grid-template-columns: 55px repeat(5, 1fr);
  gap: 8px;
  margin-bottom: 8px;
}

.chart-label {
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.7rem;
  color: var(--accent);
  background: transparent;
  text-transform: uppercase;
  white-space: nowrap;
}

.kana-cell {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--card-bg);
  border: 2px solid var(--card-border);
  border-radius: 10px;
  padding: 12px 8px;
  cursor: pointer;
  transition: all 0.2s ease;
  position: relative;
  min-height: 75px;
}

.kana-cell:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px var(--shadow-hover);
}

.kana-cell:active {
  transform: scale(0.95);
}

.kana-cell.empty {
  background: transparent;
  border: 2px dashed var(--card-border);
  cursor: default;
  opacity: 0.4;
}

.kana-cell.empty:hover {
  transform: none;
  box-shadow: none;
  border-color: var(--card-border);
}

.kana-cell .kana {
  font-size: 1.75rem;
  font-weight: 500;
  color: var(--text-primary);
  line-height: 1;
}

.kana-cell .romaji {
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-top: 4px;
  font-weight: 500;
  transition: opacity 0.2s;
}

.kana-cell .romaji.hidden {
  opacity: 0;
}

/* Audio indicator */
.kana-cell:not(.empty)::after {
  content: '\f028';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  position: absolute;
  top: 4px;
  right: 6px;
  font-size: 0.6rem;
  color: var(--accent);
  opacity: 0;
  transition: opacity 0.2s;
}

.kana-cell:not(.empty):hover::after {
  opacity: 1;
}

/* Speaking animation */
.kana-cell.speaking {
  border-color: var(--green);
  background: rgba(16, 185, 129, 0.08);
}

.kana-cell.speaking::after {
  opacity: 1;
  color: var(--green);
}

/* Methods Section */
.methods-list {
  margin-top: 1.5rem;
}

.method-item {
  display: flex;
  gap: 1rem;
  padding: 1.25rem;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  margin-bottom: 1rem;
  transition: border-color 0.2s;
}

.method-item:hover {
  border-color: var(--accent);
}

.method-item__number {
  width: 2rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent);
  color: white;
  border-radius: 50%;
  font-weight: 700;
  font-size: 0.9rem;
  flex-shrink: 0;
}

.method-item__content h3 {
  margin: 0 0 0.5rem;
  font-size: 1rem;
  color: var(--text-primary);
}

.method-item__content p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* CTA Box */
.cta-box {
  background: var(--card-bg);
  border: 2px solid var(--accent);
  border-radius: 16px;
  padding: 2.5rem 2rem;
  text-align: center;
  margin: 2.5rem 0;
  position: relative;
  overflow: hidden;
}

.cta-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--accent);
}

.cta-box h3 {
  font-size: 1.5rem;
  color: var(--text-primary);
  margin: 0 0 0.75rem;
}

.cta-box h3 i {
  color: var(--accent);
  margin-right: 0.5rem;
}

.cta-box p {
  color: var(--text-secondary);
  margin: 0 0 1.5rem;
  font-size: 1rem;
}

.cta-box h2 {
  font-size: 1.5rem;
  color: var(--text-primary);
  margin: 0 0 0.75rem;
}

.cta-features {
  list-style: none;
  padding: 0;
  margin: 0 0 1.5rem;
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  flex-wrap: wrap;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.cta-features li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.cta-features i {
  color: var(--green);
}

.cta-box .btn {
  margin-top: 0.5rem;
}

/* Comparison Table (div-based) */
.comparison-table {
  margin: 1.5rem 0;
  background: var(--card-bg);
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--card-border);
}

.comparison-row {
  display: grid;
  grid-template-columns: minmax(120px, 1fr) 2fr 2fr;
  border-bottom: 1px solid var(--card-border);
}

.comparison-row:last-child {
  border-bottom: none;
}

.comparison-header {
  background: var(--light-gray);
}

.comparison-header .comparison-cell {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.comparison-cell {
  padding: 1rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.5;
}

.comparison-cell:first-child {
  color: var(--text-primary);
  font-weight: 500;
}

.comparison-cell strong {
  color: var(--accent);
  font-weight: 600;
}

/* Japanese characters in comparison */
.comparison-cell .jp-char {
  font-size: 1.25rem;
  color: var(--accent);
  margin-left: 0.25rem;
}

/* Words Grid */
.words-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.word-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 10px;
  padding: 1rem 0.75rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s ease;
}

.word-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px var(--shadow-color);
}

.word-card .japanese {
  font-size: 1.35rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.word-card .romaji {
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-bottom: 0.25rem;
}

.word-card .meaning {
  font-size: 0.75rem;
  color: var(--accent);
  font-weight: 600;
}

/* FAQ Section - Native details/summary */
.faq-list {
  margin-top: 1.5rem;
}

.faq-item {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  margin-bottom: 0.75rem;
  overflow: hidden;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.faq-item:hover {
  border-color: var(--accent);
}

.faq-item[open] {
  border-color: var(--accent);
  box-shadow: 0 4px 12px var(--shadow-color);
}

.faq-item summary {
  padding: 1.25rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  transition: background 0.2s;
}

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

.faq-item summary::after {
  content: '+';
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--accent);
  flex-shrink: 0;
  transition: transform 0.3s;
}

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

.faq-item summary:hover {
  background: var(--light-gray);
}

.faq-item p {
  margin: 0;
  padding: 0 1.5rem 1.25rem;
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--text-secondary);
}

/* Final CTA */
.final-cta {
  text-align: center;
  padding: 3rem 0;
  border-bottom: none;
}

.final-cta h2 {
  font-size: 1.75rem;
  margin-bottom: 0.75rem;
}

.final-cta p {
  max-width: 500px;
  margin: 0 auto 1.5rem;
}

/* Footer */
.landing-footer {
  text-align: center;
  padding: 2rem 1.5rem;
  color: var(--text-muted);
  font-size: 0.85rem;
  border-top: 1px solid var(--card-border);
  background: var(--light-gray);
}

/* Responsive */
@media (max-width: 768px) {
  .landing-container {
    padding: 70px 1rem 2rem;
  }

  .landing-hero__title {
    font-size: 1.75rem;
  }

  .landing-hero__subtitle {
    font-size: 1.1rem;
  }

  .landing-hero__description {
    font-size: 1rem;
  }

  .landing-hero__meta {
    flex-direction: column;
    gap: 0.5rem;
  }

  .toc ul {
    flex-direction: column;
    gap: 0.5rem;
  }

  .info-cards {
    grid-template-columns: 1fr;
  }

  .chart-row {
    grid-template-columns: 40px repeat(5, 1fr);
    gap: 6px;
  }

  .chart-label {
    font-size: 0.6rem;
  }

  .kana-cell {
    padding: 8px 4px;
    min-height: 60px;
  }

  .kana-cell .kana {
    font-size: 1.4rem;
  }

  .kana-cell .romaji {
    font-size: 0.6rem;
  }

  .kana-cell::after {
    display: none;
  }

  .method-item {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .cta-box {
    padding: 1.75rem 1.25rem;
  }

  .cta-box h3 {
    font-size: 1.25rem;
  }

  .cta-box__features {
    flex-direction: column;
    gap: 0.5rem;
  }

  .comparison-row {
    grid-template-columns: 1fr;
  }

  .comparison-cell {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--card-border);
  }

  .comparison-cell:first-child {
    background: var(--light-gray);
    font-weight: 600;
  }

  .comparison-header {
    display: none;
  }

  .words-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .final-cta h2 {
    font-size: 1.5rem;
  }
}

@media (max-width: 480px) {
  .chart-row {
    grid-template-columns: 30px repeat(5, 1fr);
    gap: 4px;
  }

  .kana-cell {
    min-height: 50px;
    padding: 6px 2px;
    border-radius: 8px;
  }

  .kana-cell .kana {
    font-size: 1.2rem;
  }

  .kana-cell .romaji {
    font-size: 0.55rem;
    margin-top: 2px;
  }
}

/* Print styles */
@media print {
  .landing-hero__cta,
  .chart-controls,
  .cta-box,
  .final-cta,
  nav,
  .toc,
  .landing-footer {
    display: none !important;
  }

  .hiragana-chart {
    page-break-inside: avoid;
  }

  .kana-cell::after {
    display: none;
  }

  .landing-container {
    padding-top: 0;
  }
}