/* =========================
   Sub page hero (compact)
   ========================= */
.sub-hero {
  position: relative;
  padding: calc(var(--header-h) + 80px) 0 80px;
  overflow: hidden;
  isolation: isolate;
  background: linear-gradient(180deg, var(--ivory-soft) 0%, var(--ivory) 70%, #ffffff 100%);
}
.sub-hero::before, .sub-hero::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  z-index: -1;
}
.sub-hero::before {
  width: 480px; height: 480px;
  top: -160px; left: -120px;
  background: radial-gradient(circle, rgba(43,182,138,0.30), transparent 70%);
}
.sub-hero::after {
  width: 380px; height: 380px;
  top: -120px; right: -80px;
  background: radial-gradient(circle, rgba(40,72,172,0.25), transparent 70%);
}
.sub-hero-inner {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
}
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-tertiary);
}
.breadcrumb a {
  color: var(--text-secondary);
  transition: color var(--t-fast);
}
.breadcrumb a:hover { color: var(--primary-700); }
.breadcrumb span { color: var(--text-tertiary); }
.sub-hero-tag {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(43,182,138,0.08);
  color: var(--primary-700);
  font-family: var(--font-mono), var(--font-sans);
  font-size: 12px;
  letter-spacing: 0.16em;
  font-weight: 600;
  text-transform: uppercase;
}
.sub-hero-title {
  font-size: clamp(34px, 4.6vw, 56px);
  font-weight: 800;
  letter-spacing: -0.032em;
  line-height: var(--lh-heading);
}
.sub-hero-desc {
  font-size: clamp(15px, 1.3vw, 17px);
  line-height: var(--lh-loose);
  color: var(--text-secondary);
  max-width: 640px;
}

/* =========================
   Sub page intro callout (definition card 등)
   ========================= */
.section-intro {
  padding: 8px 0 0;
}
.definition-card {
  position: relative;
  padding: 40px 44px;
  border-radius: var(--r-lg);
  background: linear-gradient(135deg, var(--surface) 0%, var(--ivory-soft) 100%);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 28px;
  align-items: start;
  overflow: hidden;
}
.definition-card::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(60% 80% at 100% 0%, rgba(43,182,138,0.08), transparent 60%),
    radial-gradient(40% 60% at 0% 100%, rgba(40,72,172,0.05), transparent 70%);
}
.def-mark {
  font-family: Georgia, "Noto Serif KR", serif;
  font-size: 104px;
  line-height: 0.78;
  font-weight: 700;
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  user-select: none;
  position: relative;
}
.def-body-wrap {
  display: flex;
  flex-direction: column;
  gap: 12px;
  position: relative;
}
.def-eyebrow {
  display: inline-block;
  font-family: var(--font-mono), var(--font-sans);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--primary-700);
  font-weight: 700;
  text-transform: uppercase;
}
.def-title-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
}
.def-title {
  font-size: clamp(22px, 2.4vw, 30px);
  font-weight: 800;
  line-height: var(--lh-heading);
  letter-spacing: -0.022em;
  color: var(--text-primary);
}
.def-body {
  font-size: clamp(15.5px, 1.25vw, 17.5px);
  line-height: var(--lh-loose);
  color: var(--text-secondary);
  max-width: 760px;
}
.def-source {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px 14px;
  font-size: 13px;
  color: var(--text-tertiary);
  margin-top: 6px;
}
.def-source a:not(.def-link-btn) {
  color: var(--primary-700);
  border-bottom: 1px solid var(--border-strong);
  padding-bottom: 1px;
  transition: color var(--t-fast), border-color var(--t-fast);
}
.def-source a:not(.def-link-btn):hover {
  color: var(--accent);
  border-color: var(--accent);
}
.def-link-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: 999px;
  background: rgba(43,182,138,0.10);
  border: 1px solid rgba(43,182,138,0.22);
  color: var(--primary-700);
  font-weight: 600;
  font-size: 13px;
  transition: background var(--t-fast), color var(--t-fast), border-color var(--t-fast), transform var(--t-fast);
}
.def-link-btn:hover {
  background: var(--primary-700);
  border-color: var(--primary-700);
  color: #fff;
  transform: translateY(-1px);
}

/* =========================
   Sub page CTA section
   ========================= */
.sub-cta {
  margin: 80px 0;
  padding: 48px 40px;
  background: linear-gradient(135deg, #0F4A36 0%, #2BB68A 55%, #2848AC 100%);
  border-radius: var(--r-xl);
  color: #fff;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  position: relative;
  overflow: hidden;
}
.sub-cta::before {
  content: "";
  position: absolute;
  width: 320px; height: 320px;
  right: -80px; top: -80px;
  background: radial-gradient(circle, rgba(40,72,172,0.45), transparent 70%);
  filter: blur(20px);
}
.sub-cta-text { position: relative; z-index: 1; }
.sub-cta-text h2 {
  font-size: 26px;
  margin-bottom: 6px;
  letter-spacing: -0.02em;
}
.sub-cta-text p {
  color: rgba(255,255,255,0.75);
  font-size: 15px;
}
.sub-cta .btn {
  position: relative;
  z-index: 1;
  background: #fff;
  color: var(--primary-700);
  flex-shrink: 0;
}
.sub-cta .btn:hover {
  background: var(--ivory);
  transform: translateY(-2px);
  box-shadow: 0 16px 44px rgba(0,0,0,0.2);
}

/* =========================
   Evaluation
   ========================= */
.eval-tabs {
  display: inline-flex;
  padding: 6px;
  border-radius: 999px;
  background: var(--surface-muted);
  border: 1px solid var(--border);
  margin: 0 auto 40px;
  width: max-content;
  margin-left: auto; margin-right: auto;
  display: flex;
}
.eval-tab {
  padding: 10px 22px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 14.5px;
  color: var(--text-secondary);
  transition: color var(--t-fast), background var(--t-fast);
}
.eval-tab.is-active {
  background: var(--surface);
  color: var(--primary-700);
  box-shadow: var(--shadow-sm);
}

.eval-panel { max-width: 820px; margin: 0 auto; }
.eval-list { display: flex; flex-direction: column; gap: 16px; }
.eval-list li {
  padding: 22px 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
}
.eval-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 10px;
}
.eval-row span { font-weight: 600; font-size: 16px; }
.eval-row strong {
  font-family: var(--font-mono), var(--font-sans);
  color: var(--primary-700);
  font-size: 18px;
}
.eval-row em {
  font-style: normal;
  font-size: 11px;
  background: rgba(124,58,237,0.12);
  color: var(--accent-warm);
  padding: 2px 8px;
  border-radius: 999px;
  margin-left: 6px;
  font-weight: 700;
}
.bar {
  height: 6px;
  background: var(--surface-muted);
  border-radius: 999px;
  overflow: hidden;
}
.bar span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--primary-700), var(--accent-cyan));
  border-radius: 999px;
  transition: width var(--t-slow) var(--ease-out);
}
.eval-list li p {
  margin-top: 10px;
  color: var(--text-secondary);
  font-size: 14px;
}
.eval-bonus { border-color: rgba(124,58,237,0.3); background: rgba(124,58,237,0.04); }
.eval-bonus .eval-row strong { color: var(--accent-warm); }

.eval-extra {
  max-width: 820px;
  margin: 60px auto 0;
  padding: 28px 32px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
}
.eval-extra h3 {
  font-size: 17px;
  margin-bottom: 14px;
  color: var(--primary-700);
}
.eval-extra ul {
  display: flex;
  flex-direction: column;
  gap: 8px;
  color: var(--text-secondary);
  font-size: 14.5px;
}
.eval-extra li { display: flex; gap: 8px; }
.eval-extra li::before { content: "·"; color: var(--accent); font-weight: 800; }

/* =========================
   Open Data
   ========================= */
.data-filter {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}
.data-filter button {
  padding: 9px 18px;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 600;
  transition: color var(--t-fast), background var(--t-fast), border-color var(--t-fast);
}
.data-filter button:hover { color: var(--primary-700); border-color: var(--accent); }
.data-filter button.is-active {
  background: var(--primary-700);
  color: #fff;
  border-color: var(--primary-700);
}

.data-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 18px;
}
.data-card {
  padding: 26px 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  transition: transform var(--t-base) var(--ease-out), box-shadow var(--t-base), border-color var(--t-base);
  display: flex;
  flex-direction: column;
  gap: 8px;
  position: relative;
  overflow: hidden;
}
.data-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: var(--r-lg);
  padding: 1px;
  background: var(--grad-border);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity var(--t-base);
  pointer-events: none;
}
.data-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.data-card:hover::before { opacity: 1; }
.data-card .data-tag {
  font-family: var(--font-mono), var(--font-sans);
  font-size: 11px;
  letter-spacing: 0.14em;
  font-weight: 700;
  text-transform: uppercase;
  padding: 3px 9px;
  border-radius: 999px;
  width: max-content;
  background: rgba(43,182,138,0.10);
  color: var(--primary-700);
  margin-bottom: 4px;
}
.data-card .data-tag.partner {
  background: rgba(124,58,237,0.10);
  color: var(--accent-warm);
}
.data-card h3 { font-size: 17px; }
.data-card p { color: var(--text-secondary); font-size: 14px; flex: 1; }
.data-link {
  margin-top: 6px;
  font-family: var(--font-mono), var(--font-sans);
  font-size: 13px;
  color: var(--primary-700);
  font-weight: 600;
}

/* =========================
   FAQ + Notice
   ========================= */
.faq-section {
  max-width: 820px;
  margin: 0 auto 80px;
}
.faq-section + .faq-section { margin-top: 60px; }
.faq-section-title {
  font-size: 22px;
  margin-bottom: 24px;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--border);
  display: flex;
  align-items: center;
  gap: 10px;
}
.faq-section-title .num {
  font-family: var(--font-mono), var(--font-sans);
  font-size: 14px;
  color: var(--accent);
  font-weight: 700;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.faq-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  transition: border-color var(--t-base);
}
.faq-item[open] { border-color: var(--accent); }
.faq-item summary {
  padding: 20px 24px;
  cursor: pointer;
  font-weight: 600;
  position: relative;
  list-style: none;
  padding-right: 50px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "";
  position: absolute;
  right: 22px;
  top: 50%;
  width: 10px; height: 10px;
  border-right: 2px solid var(--text-tertiary);
  border-bottom: 2px solid var(--text-tertiary);
  transform: translateY(-70%) rotate(45deg);
  transition: transform var(--t-base);
}
.faq-item[open] summary::after { transform: translateY(-30%) rotate(-135deg); border-color: var(--accent); }
.faq-item p, .faq-item ul {
  padding: 0 24px 22px;
  color: var(--text-secondary);
  font-size: 15px;
}
.faq-item ul {
  padding-left: 44px;
  list-style: disc;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

/* =========================
   Legal / Document page (privacy.html)
   ========================= */
.legal-body {
  max-width: 820px;
  margin: 0 auto;
}
.legal-toc {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 24px 28px;
  margin-bottom: 48px;
}
.legal-toc h2 {
  font-size: 14px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  font-weight: 700;
  margin-bottom: 14px;
}
.legal-toc ol {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 6px 24px;
  font-size: 14.5px;
  color: var(--text-secondary);
  counter-reset: toc;
}
.legal-toc li { display: flex; gap: 10px; counter-increment: toc; }
.legal-toc li::before {
  content: counter(toc, decimal-leading-zero);
  font-family: var(--font-mono), var(--font-sans);
  color: var(--accent);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.08em;
}
.legal-toc a {
  color: var(--text-secondary);
  transition: color var(--t-fast);
}
.legal-toc a:hover { color: var(--primary-700); }

.legal-article + .legal-article { margin-top: 48px; }
.legal-article h2 {
  font-size: 22px;
  margin-bottom: 14px;
  letter-spacing: -0.02em;
  display: flex;
  align-items: baseline;
  gap: 10px;
}
.legal-article h2 .num {
  font-family: var(--font-mono), var(--font-sans);
  color: var(--accent);
  font-size: 14px;
  letter-spacing: 0.12em;
}
.legal-article p, .legal-article li {
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.75;
}
.legal-article ul, .legal-article ol {
  padding-left: 24px;
  margin: 10px 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.legal-article ul { list-style: disc; }
.legal-article ol { list-style: decimal; }
.legal-article p + p { margin-top: 10px; }
.legal-article strong { color: var(--text-primary); }
.legal-meta {
  margin: 40px 0 24px;
  padding: 18px 22px;
  background: var(--surface-muted);
  border-radius: var(--r-md);
  font-size: 14px;
  color: var(--text-secondary);
}

/* =========================
   Gallery
   ========================= */
.gallery-coming {
  max-width: 720px;
  margin: 0 auto 64px;
  padding: 56px 36px;
  text-align: center;
  background: linear-gradient(135deg, rgba(43,182,138,0.04), rgba(40,72,172,0.04));
  border: 1px dashed var(--border-strong);
  border-radius: var(--r-xl);
}
.gallery-coming .badge {
  display: inline-block;
  margin-bottom: 18px;
}
.gallery-coming h2 {
  font-size: clamp(24px, 2.6vw, 32px);
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}
.gallery-coming p {
  color: var(--text-secondary);
  font-size: 15px;
  margin-bottom: 24px;
}
.gallery-coming .countdown-mini {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 18px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 14px;
  color: var(--text-secondary);
}
.gallery-coming .countdown-mini strong {
  font-family: var(--font-mono), var(--font-sans);
  color: var(--primary-700);
  font-weight: 700;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.gallery-card {
  border-radius: var(--r-lg);
  background: var(--surface);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: transform var(--t-base) var(--ease-out), box-shadow var(--t-base);
  display: flex;
  flex-direction: column;
}
.gallery-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.gallery-thumb {
  aspect-ratio: 4 / 3;
  background: linear-gradient(135deg, var(--primary-700), var(--accent-cyan));
  position: relative;
  overflow: hidden;
}
.gallery-thumb::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(60% 60% at 20% 20%, rgba(255,255,255,0.18), transparent),
    radial-gradient(50% 50% at 80% 80%, rgba(124,58,237,0.30), transparent);
}
.gallery-body {
  padding: 22px 24px 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.gallery-rank {
  font-family: var(--font-mono), var(--font-sans);
  font-size: 11px;
  letter-spacing: 0.16em;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--primary-700);
  padding: 3px 9px;
  background: rgba(43,182,138,0.10);
  border-radius: 999px;
  width: max-content;
}
.gallery-rank.grand { color: #fff; background: linear-gradient(120deg, var(--primary-700), var(--accent-cyan)); }
.gallery-card h3 { font-size: 17px; }
.gallery-team { font-size: 13px; color: var(--text-tertiary); font-weight: 600; }
.gallery-desc { font-size: 14px; color: var(--text-secondary); margin-top: 6px; }
.gallery-card.placeholder {
  position: relative;
  border-style: dashed;
  background: var(--surface-muted);
}
.gallery-card.placeholder .gallery-thumb {
  background: linear-gradient(135deg, var(--surface-muted), #ffffff);
}
.gallery-card.placeholder .gallery-thumb::after { display: none; }
.gallery-card.placeholder .placeholder-marker {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: var(--text-tertiary);
}

.badge {
  padding: 4px 12px;
  border-radius: 999px;
  background: rgba(43,182,138,0.10);
  color: var(--primary-700);
  font-size: 12px;
  font-family: var(--font-mono), var(--font-sans);
  letter-spacing: 0.14em;
  font-weight: 700;
}