:root {
  --lc-mint: #2BB3A3;
  --lc-mint-light: #E8F8F5;
  --lc-mint-dark: #1F8A7D;
  --lc-navy: #1E3A5F;
  --lc-navy-light: #2C5282;
  --lc-gray-50: #F8FAFC;
  --lc-gray-100: #F1F5F9;
  --lc-gray-200: #E2E8F0;
  --lc-gray-300: #CBD5E1;
  --lc-gray-500: #64748B;
  --lc-gray-700: #334155;
  --lc-gray-900: #0F172A;
  --lc-white: #FFFFFF;
  --lc-radius: 12px;
  --lc-radius-sm: 8px;
  --lc-radius-lg: 16px;
  --lc-shadow: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --lc-shadow-md: 0 4px 6px rgba(0,0,0,0.05), 0 2px 4px rgba(0,0,0,0.04);
  --lc-shadow-lg: 0 10px 25px rgba(0,0,0,0.08), 0 4px 10px rgba(0,0,0,0.04);
  --lc-container: 1120px;
  --lc-content-width: 780px;
  --lc-transition: 200ms ease;
  --lc-font: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--lc-font);
  color: var(--lc-gray-900);
  background: var(--lc-white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }

.lc-container {
  width: 100%;
  max-width: var(--lc-container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== HEADER ===== */
.lc-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--lc-gray-200);
  transition: box-shadow var(--lc-transition);
}
.lc-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.lc-header__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--lc-navy);
}
.lc-header__logo-icon {
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--lc-mint), var(--lc-mint-dark));
  border-radius: var(--lc-radius-sm);
  font-size: 1.1rem;
  flex-shrink: 0;
}
.lc-header__brand-name { white-space: nowrap; }

.lc-nav-list {
  list-style: none;
  display: flex;
  gap: 8px;
}
.lc-nav-list li a {
  display: block;
  padding: 8px 16px;
  border-radius: var(--lc-radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--lc-gray-700);
  transition: all var(--lc-transition);
}
.lc-nav-list li a:hover {
  background: var(--lc-mint-light);
  color: var(--lc-mint-dark);
}
.lc-header__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none; border: none; cursor: pointer;
  padding: 8px;
}
.lc-header__toggle span {
  width: 22px; height: 2px;
  background: var(--lc-navy);
  border-radius: 2px;
  transition: all var(--lc-transition);
}

/* ===== FOOTER ===== */
.lc-footer {
  background: var(--lc-gray-900);
  color: var(--lc-gray-300);
  padding: 56px 0 32px;
  margin-top: 80px;
}
.lc-footer__top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  flex-wrap: wrap;
  gap: 16px;
}
.lc-footer__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--lc-white);
  font-weight: 700;
  font-size: 1rem;
}
.lc-footer__logo-icon {
  width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--lc-mint), var(--lc-mint-dark));
  border-radius: var(--lc-radius-sm);
  font-size: 1rem;
}
.lc-footer__links { display: flex; gap: 20px; }
.lc-footer__links a {
  font-size: 0.85rem;
  color: var(--lc-gray-300);
  transition: color var(--lc-transition);
}
.lc-footer__links a:hover { color: var(--lc-mint); }
.lc-footer__notices {
  padding: 24px 0;
  font-size: 0.78rem;
  line-height: 1.8;
  color: var(--lc-gray-500);
}
.lc-footer__notices p { margin-bottom: 4px; }
.lc-footer__bottom {
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.08);
  font-size: 0.78rem;
  color: var(--lc-gray-500);
}

/* ===== CARDS ===== */
.lc-card {
  background: var(--lc-white);
  border-radius: var(--lc-radius);
  overflow: hidden;
  box-shadow: var(--lc-shadow);
  transition: all var(--lc-transition);
  display: flex;
  flex-direction: column;
}
.lc-card:hover {
  box-shadow: var(--lc-shadow-lg);
  transform: translateY(-2px);
}
.lc-card__thumb { position: relative; overflow: hidden; aspect-ratio: 16/9; }
.lc-card__thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 300ms ease; }
.lc-card:hover .lc-card__thumb img { transform: scale(1.03); }
.lc-card__body { padding: 20px; flex: 1; display: flex; flex-direction: column; }
.lc-card__cat {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--lc-mint);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin-bottom: 8px;
}
.lc-card__title {
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.45;
  color: var(--lc-gray-900);
  margin-bottom: 8px;
}
.lc-card__title a { color: inherit; }
.lc-card__excerpt {
  font-size: 0.88rem;
  color: var(--lc-gray-500);
  line-height: 1.65;
  flex: 1;
}
.lc-card--sm .lc-card__body { padding: 16px; }
.lc-card--sm .lc-card__title { font-size: 0.92rem; margin-bottom: 0; }

.lc-grid { display: grid; gap: 24px; }
.lc-grid--2 { grid-template-columns: repeat(2, 1fr); }
.lc-grid--3 { grid-template-columns: repeat(3, 1fr); }

/* ===== BADGE ===== */
.lc-badge {
  display: inline-block;
  padding: 4px 12px;
  background: var(--lc-mint-light);
  color: var(--lc-mint-dark);
  font-size: 0.78rem;
  font-weight: 600;
  border-radius: 100px;
}

/* ===== SECTION TITLE ===== */
.lc-section-title {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--lc-navy);
  margin-bottom: 32px;
  letter-spacing: -0.02em;
}

/* ===== SINGLE ARTICLE ===== */
.lc-article__hero {
  padding: 48px 0 32px;
  background: linear-gradient(180deg, var(--lc-mint-light) 0%, var(--lc-white) 100%);
}
.lc-article__meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  font-size: 0.85rem;
  color: var(--lc-gray-500);
}
.lc-article__title {
  font-size: 2rem;
  font-weight: 800;
  color: var(--lc-navy);
  line-height: 1.35;
  letter-spacing: -0.02em;
}
.lc-article__featured-img {
  margin: -16px auto 40px;
  max-width: var(--lc-content-width);
  border-radius: var(--lc-radius-lg);
  overflow: hidden;
  box-shadow: var(--lc-shadow-lg);
}
.lc-article__featured-img img { width: 100%; }
.lc-article__content {
  max-width: var(--lc-content-width);
  margin: 0 auto;
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--lc-gray-700);
}
.lc-article__content h2 {
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--lc-navy);
  margin: 48px 0 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--lc-mint-light);
  letter-spacing: -0.01em;
}
.lc-article__content h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--lc-navy-light);
  margin: 32px 0 14px;
}
.lc-article__content p { margin-bottom: 20px; }
.lc-article__content ul, .lc-article__content ol {
  margin: 16px 0 24px 20px;
}
.lc-article__content li { margin-bottom: 8px; }
.lc-article__content blockquote {
  border-left: 4px solid var(--lc-mint);
  background: var(--lc-mint-light);
  padding: 20px 24px;
  margin: 24px 0;
  border-radius: 0 var(--lc-radius-sm) var(--lc-radius-sm) 0;
  font-size: 0.98rem;
  color: var(--lc-gray-700);
}
.lc-article__content table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 0.92rem;
  border-radius: var(--lc-radius-sm);
  overflow: hidden;
  box-shadow: var(--lc-shadow);
}
.lc-article__content table thead th {
  background: var(--lc-navy);
  color: var(--lc-white);
  padding: 14px 16px;
  text-align: left;
  font-weight: 600;
  font-size: 0.88rem;
}
.lc-article__content table tbody td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--lc-gray-200);
}
.lc-article__content table tbody tr:nth-child(even) { background: var(--lc-gray-50); }
.lc-article__content table tbody tr:hover { background: var(--lc-mint-light); }
.lc-article__content img {
  border-radius: var(--lc-radius);
  margin: 24px 0;
  box-shadow: var(--lc-shadow);
}
.lc-article__content .wp-block-image { margin: 32px 0; }
.lc-article__content a {
  color: var(--lc-mint-dark);
  font-weight: 500;
  border-bottom: 1px solid transparent;
  transition: border-color var(--lc-transition);
}
.lc-article__content a:hover { border-bottom-color: var(--lc-mint); }

/* Info box / callout */
.lc-article__content .info-box,
.lc-article__content .callout-box {
  background: linear-gradient(135deg, var(--lc-mint-light), #f0fdf4);
  border: 1px solid rgba(43,179,163,0.2);
  border-radius: var(--lc-radius);
  padding: 24px;
  margin: 24px 0;
}

/* Chart bars */
.lc-article__content .chart-bar-wrap { margin: 24px 0; }
.lc-article__content .chart-bar {
  display: flex;
  align-items: center;
  margin-bottom: 12px;
  gap: 12px;
}
.lc-article__content .chart-bar__label {
  min-width: 100px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--lc-navy);
  text-align: right;
  flex-shrink: 0;
}
.lc-article__content .chart-bar__track {
  flex: 1;
  height: 28px;
  background: var(--lc-gray-100);
  border-radius: 14px;
  overflow: hidden;
  position: relative;
}
.lc-article__content .chart-bar__fill {
  height: 100%;
  background: linear-gradient(90deg, var(--lc-mint), var(--lc-mint-dark));
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding-right: 12px;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--lc-white);
  min-width: fit-content;
}

/* Timeline */
.lc-article__content .timeline {
  position: relative;
  padding-left: 32px;
  margin: 24px 0;
}
.lc-article__content .timeline::before {
  content: "";
  position: absolute;
  left: 11px;
  top: 0; bottom: 0;
  width: 2px;
  background: var(--lc-mint);
}
.lc-article__content .timeline-item {
  position: relative;
  margin-bottom: 24px;
  padding: 16px 20px;
  background: var(--lc-gray-50);
  border-radius: var(--lc-radius-sm);
}
.lc-article__content .timeline-item::before {
  content: "";
  position: absolute;
  left: -27px; top: 20px;
  width: 12px; height: 12px;
  background: var(--lc-mint);
  border-radius: 50%;
  border: 3px solid var(--lc-white);
}
.lc-article__content .timeline-item h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--lc-navy);
  margin-bottom: 6px;
}

/* Step diagram */
.lc-article__content .step-flow {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin: 24px 0;
  align-items: center;
}
.lc-article__content .step-flow__item {
  flex: 1;
  min-width: 120px;
  text-align: center;
  padding: 16px 12px;
  background: var(--lc-mint-light);
  border-radius: var(--lc-radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--lc-navy);
}
.lc-article__content .step-flow__arrow {
  font-size: 1.2rem;
  color: var(--lc-mint);
  flex-shrink: 0;
}

/* Checklist */
.lc-article__content .checklist {
  list-style: none;
  margin-left: 0;
  padding: 20px 24px;
  background: var(--lc-gray-50);
  border-radius: var(--lc-radius);
}
.lc-article__content .checklist li {
  padding-left: 28px;
  position: relative;
  margin-bottom: 10px;
}
.lc-article__content .checklist li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--lc-mint);
  font-weight: 700;
}

/* Legal / AI notices in articles */
.lc-article__content .legal-notice {
  font-size: 0.85em !important;
  color: #777 !important;
  background: #f8f9fa !important;
  border-left: 3px solid #cbd5e1 !important;
  padding: 10px 14px !important;
  margin-top: 2em !important;
  border-radius: 0 6px 6px 0 !important;
}
.lc-article__content .ai-notice {
  font-size: 0.85em;
  color: #888;
  margin-top: 2em;
}

/* FAQ */
.lc-article__content .faq-item {
  border: 1px solid var(--lc-gray-200);
  border-radius: var(--lc-radius-sm);
  margin-bottom: 12px;
  overflow: hidden;
}
.lc-article__content .faq-q {
  padding: 16px 20px;
  background: var(--lc-gray-50);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--lc-navy);
  cursor: pointer;
}
.lc-article__content .faq-a {
  padding: 16px 20px;
  font-size: 0.92rem;
  line-height: 1.7;
}

/* Related section */
.lc-related {
  padding: 64px 0;
  background: var(--lc-gray-50);
  margin-top: 64px;
}

/* ===== PAGE ===== */
.lc-page { padding: 48px 0 80px; }
.lc-page__title {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--lc-navy);
  margin-bottom: 32px;
}
.lc-page__content {
  max-width: var(--lc-content-width);
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--lc-gray-700);
}
.lc-page__content h2 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--lc-navy);
  margin: 32px 0 16px;
}
.lc-page__content p { margin-bottom: 16px; }
.lc-page__content ul { margin: 12px 0 20px 20px; }

/* ===== MAIN GRID ===== */
.lc-main .lc-container { padding-top: 48px; padding-bottom: 48px; }
.lc-main .lc-grid { margin-bottom: 40px; }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .lc-header__nav {
    display: none; position: absolute; top: 64px; left: 0; right: 0;
    background: var(--lc-white); border-bottom: 1px solid var(--lc-gray-200);
    box-shadow: var(--lc-shadow-lg);
  }
  .lc-header__nav.is-open { display: block; }
  .lc-nav-list { flex-direction: column; padding: 16px 24px; }
  .lc-header__toggle { display: flex; }
  .lc-header__brand-name { font-size: 0.92rem; }

  .lc-grid--2, .lc-grid--3 { grid-template-columns: 1fr; }

  .lc-article__title { font-size: 1.5rem; }
  .lc-article__content { font-size: 1rem; }
  .lc-article__content h2 { font-size: 1.25rem; }
  .lc-article__content table { font-size: 0.82rem; display: block; overflow-x: auto; }

  .lc-section-title { font-size: 1.25rem; }

  .lc-footer__top { flex-direction: column; align-items: flex-start; }

  .lc-article__content .step-flow { flex-direction: column; }
  .lc-article__content .step-flow__arrow { transform: rotate(90deg); }

  .lc-article__content .chart-bar { flex-direction: column; align-items: flex-start; }
  .lc-article__content .chart-bar__label { min-width: auto; text-align: left; }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .lc-grid--3 { grid-template-columns: repeat(2, 1fr); }
}

/* ===== ANIMATION ===== */
@media (prefers-reduced-motion: no-preference) {
  .lc-card { animation: fadeInUp 0.4s ease both; }
  @keyframes fadeInUp {
    from { opacity: 0; transform: translateY(16px); }
    to { opacity: 1; transform: translateY(0); }
  }
}

/* ===== SCROLL TOP BUTTON ===== */
.lc-scroll-top {
  position: fixed;
  bottom: 24px; right: 24px;
  width: 44px; height: 44px;
  background: var(--lc-navy);
  color: var(--lc-white);
  border: none; border-radius: 50%;
  cursor: pointer;
  display: none;
  align-items: center; justify-content: center;
  font-size: 1.2rem;
  box-shadow: var(--lc-shadow-lg);
  z-index: 50;
  transition: all var(--lc-transition);
}
.lc-scroll-top:hover { background: var(--lc-mint-dark); }

/* ===== WP PAGINATION ===== */
.nav-links { display: flex; gap: 8px; justify-content: center; margin: 32px 0; }
.nav-links .page-numbers {
  display: inline-flex;
  align-items: center; justify-content: center;
  width: 40px; height: 40px;
  border-radius: var(--lc-radius-sm);
  font-size: 0.9rem; font-weight: 600;
  border: 1px solid var(--lc-gray-200);
  transition: all var(--lc-transition);
}
.nav-links .page-numbers.current {
  background: var(--lc-navy); color: var(--lc-white); border-color: var(--lc-navy);
}
.nav-links .page-numbers:hover:not(.current) {
  background: var(--lc-mint-light); border-color: var(--lc-mint);
}