/* ============================================================
   KTradeAtlas — 글로벌 암호화폐 거래 & 전송 가이드
   Trust-blue theme · Pretendard · ko-KR
   ============================================================ */

:root {
  --blue-950: #071B3B;
  --blue-900: #0B2545;
  --blue-800: #0E2F6B;
  --blue-700: #133A7A;
  --blue-600: #1B56C4;
  --blue-500: #2E6FE0;
  --blue-400: #5B93EA;
  --blue-200: #B9D3F7;
  --blue-100: #E1ECFB;
  --blue-50:  #F3F7FC;

  --accent:      #F0A500;
  --accent-dark: #D98E00;
  --accent-soft: #FDF3DD;

  --text:   #152238;
  --muted:  #5B6B82;
  --border: #E3EAF4;
  --white:  #FFFFFF;

  --shadow-sm: 0 1px 3px rgba(11, 37, 69, .06);
  --shadow-md: 0 6px 20px rgba(11, 37, 69, .08);
  --shadow-lg: 0 14px 40px rgba(11, 37, 69, .14);

  --radius: 16px;
  --radius-lg: 22px;

  --container: 1120px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Pretendard Variable', Pretendard, -apple-system, BlinkMacSystemFont,
    system-ui, 'Apple SD Gothic Neo', 'Noto Sans KR', 'Malgun Gothic', sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.65;
  word-break: keep-all;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

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

/* ============ Header ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
  gap: 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 20px;
  letter-spacing: -0.02em;
}
.logo .logo-mark { flex-shrink: 0; }
.logo .logo-k { color: var(--blue-700); }
.logo .logo-rest { color: var(--text); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 2px;
  list-style: none;
}
.nav-links a {
  display: inline-block;
  padding: 8px 13px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  border-radius: 10px;
  transition: background .15s, color .15s;
  white-space: nowrap;
}
.nav-links a:hover { background: var(--blue-50); color: var(--blue-700); }
.nav-links .nav-cta a {
  background: var(--blue-800);
  color: #fff;
  padding: 10px 19px;
}
.nav-links .nav-cta a:hover { background: var(--blue-600); color: #fff; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  width: 24px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: .2s;
}

/* ============ Hero ============ */
.hero {
  background:
    radial-gradient(1100px 560px at 88% -8%, rgba(43, 111, 224, .55), transparent 60%),
    radial-gradient(820px 460px at -10% 112%, rgba(240, 165, 0, .16), transparent 55%),
    linear-gradient(160deg, var(--blue-950) 0%, var(--blue-800) 55%, var(--blue-700) 100%);
  color: #fff;
  padding: 80px 0 88px;
  overflow: hidden;
  position: relative;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 44px 44px;
  pointer-events: none;
  mask-image: radial-gradient(760px 420px at 68% 18%, #000, transparent);
}

.hero .container { position: relative; z-index: 1; }

.hero-grid {
  display: grid;
  grid-template-columns: 1.06fr .94fr;
  gap: 52px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, .12);
  border: 1px solid rgba(255, 255, 255, .22);
  padding: 7px 15px;
  border-radius: 999px;
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: .01em;
}
.hero-badge .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(240, 165, 0, .25);
}

.hero h1 {
  font-size: 48px;
  line-height: 1.2;
  letter-spacing: -0.025em;
  font-weight: 800;
  margin: 26px 0 18px;
  max-width: 640px;
}
.hero h1 .hl { color: var(--blue-200); }

.hero p.lead {
  font-size: 19px;
  line-height: 1.7;
  color: rgba(255, 255, 255, .86);
  max-width: 580px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 26px;
  border-radius: 12px;
  font-size: 16.5px;
  font-weight: 700;
  transition: transform .15s, background .15s, box-shadow .15s;
}
.btn-primary { background: var(--accent); color: #3A2400; }
.btn-primary:hover { background: var(--accent-dark); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-ghost { background: rgba(255,255,255,.10); color: #fff; border: 1px solid rgba(255,255,255,.28); }
.btn-ghost:hover { background: rgba(255,255,255,.18); transform: translateY(-2px); }

.hero-note {
  margin-top: 26px;
  font-size: 13.5px;
  color: rgba(255, 255, 255, .6);
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Hero search */
.hero-search {
  margin-top: 44px;
  display: flex;
  align-items: center;
  gap: 10px;
  background: #fff;
  border-radius: 16px;
  padding: 8px 8px 8px 20px;
  box-shadow: var(--shadow-lg);
  max-width: 680px;
}
.hero-search .search-icon { font-size: 18px; color: var(--muted); }
.hero-search input {
  flex: 1;
  border: 0;
  outline: 0;
  font-size: 16px;
  font-family: inherit;
  color: var(--text);
  background: transparent;
  min-width: 0;
}
.hero-search input::placeholder { color: #98A6B8; }
.hero-search button {
  border: 0;
  background: var(--blue-700);
  color: #fff;
  font-weight: 700;
  font-size: 15px;
  padding: 12px 24px;
  border-radius: 12px;
  cursor: pointer;
  white-space: nowrap;
}
.hero-search button:hover { background: var(--blue-600); }

/* Hero visual — light transfer-route diagram */
.hero-visual { display: flex; justify-content: center; }
.hv-stack {
  width: 100%;
  max-width: 360px;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.hv-card {
  background: rgba(255, 255, 255, .09);
  border: 1px solid rgba(255, 255, 255, .20);
  border-radius: 16px;
  padding: 18px 20px;
  backdrop-filter: blur(4px);
}
.hv-card-head {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 10px;
}
.hv-flag { font-size: 18px; color: #fff; }
.hv-label { font-size: 13px; font-weight: 700; color: rgba(255,255,255,.72); letter-spacing: .02em; }
.hv-exchanges { display: flex; gap: 8px; }
.hv-ex {
  font-size: 16px;
  font-weight: 700;
  background: rgba(255, 255, 255, .14);
  border: 1px solid rgba(255, 255, 255, .22);
  padding: 6px 14px;
  border-radius: 999px;
}
.hv-connector {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  padding: 6px 0;
}
.hv-connector .hv-vline {
  width: 1.5px;
  height: 16px;
  background: linear-gradient(rgba(255,255,255,.12), rgba(255,255,255,.35));
}
.hv-rule {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--blue-200);
  white-space: nowrap;
  letter-spacing: .01em;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .18);
  padding: 5px 13px;
  border-radius: 999px;
  margin: 2px 0;
}

/* ============ Section scaffolding ============ */
.section { padding: 76px 0; }
.section-alt { background: var(--blue-50); }

.section-head { max-width: 720px; margin-bottom: 42px; }
.section-head .eyebrow {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--blue-600);
  text-transform: uppercase;
}
.section-head h2 {
  font-size: 32px;
  line-height: 1.3;
  letter-spacing: -0.02em;
  font-weight: 800;
  margin: 10px 0 12px;
}
.section-head p { color: var(--muted); font-size: 17px; }

/* ============ Entry cards (4) ============ */
.entry-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.entry-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: transform .18s, box-shadow .18s, border-color .18s;
}
.entry-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--blue-200);
}
.entry-icon {
  width: 50px; height: 50px;
  display: grid; place-items: center;
  font-size: 25px;
  border-radius: 13px;
  background: var(--blue-50);
  border: 1px solid var(--blue-100);
}
.entry-card h3 { font-size: 19px; font-weight: 800; letter-spacing: -0.01em; }
.entry-card .entry-sub { font-size: 14px; font-weight: 600; color: var(--blue-600); }
.entry-card p { font-size: 16px; color: var(--muted); line-height: 1.6; }
.entry-card .entry-link {
  margin-top: auto;
  font-size: 15px; font-weight: 700; color: var(--blue-700);
  display: inline-flex; align-items: center; gap: 5px;
}

/* ============ Transfer routes ============ */
.routes-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.route-card {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 19px 20px;
  transition: transform .15s, box-shadow .15s, border-color .15s;
}
.route-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--blue-200);
}
.route-card .from-to {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}
.route-card .arrow {
  color: var(--blue-400);
  font-size: 15px;
  flex-shrink: 0;
}
.route-card .route-tag {
  margin-left: auto;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--blue-700);
  background: var(--blue-50);
  border: 1px solid var(--blue-100);
  padding: 4px 10px;
  border-radius: 999px;
  white-space: nowrap;
}

/* ============ Exchange cards ============ */
.exchange-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.exchange-card {
  display: flex;
  flex-direction: column;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 24px;
  transition: transform .18s, box-shadow .18s, border-color .18s;
}
.exchange-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--blue-200);
}
.exchange-top {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}
.exchange-logo {
  height: 44px;
  min-width: 48px;
  padding: 0 10px;
  border-radius: 11px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  border: 1px solid var(--border);
  flex-shrink: 0;
}
.exchange-logo img {
  height: 28px;
  width: auto;
  display: block;
  object-fit: contain;
}
.exchange-card h3 { font-size: 19px; font-weight: 800; }
.exchange-card .ex-region {
  font-size: 12px; font-weight: 700;
  padding: 3px 9px; border-radius: 999px;
}
.ex-region.domestic { background: var(--blue-50); color: var(--blue-700); border: 1px solid var(--blue-100); }
.ex-region.global { background: var(--accent-soft); color: var(--accent-dark); border: 1px solid #F5E2B8; }
.exchange-card .ex-role {
  font-size: 14.5px; font-weight: 600; color: var(--muted);
  margin-bottom: 4px;
}
.ex-links {
  margin-top: 14px;
  border-top: 1px solid var(--border);
  padding-top: 10px;
}
.ex-links a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 7px 0;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--blue-700);
}
.ex-links a::after { content: "›"; color: var(--blue-400); font-size: 19px; line-height: 1; }
.ex-links a:hover { color: var(--blue-600); }

/* ============ Travel Rule module ============ */
.travelrule-card {
  background: linear-gradient(150deg, var(--blue-900), var(--blue-700));
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 50px 50px;
  position: relative;
  overflow: hidden;
}
.travelrule-card::before {
  content: "";
  position: absolute;
  right: -60px; top: -60px;
  width: 260px; height: 260px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .06);
}
.travelrule-card h2 { font-size: 29px; font-weight: 800; letter-spacing: -0.02em; }
.travelrule-card .tr-lead {
  margin: 14px 0 30px;
  color: rgba(255, 255, 255, .82);
  font-size: 17px;
  max-width: 660px;
}
.tr-points {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-bottom: 30px;
}
.tr-point {
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: 14px;
  padding: 20px;
}
.tr-point .tr-num {
  font-size: 12px; font-weight: 700; letter-spacing: .06em;
  color: var(--accent);
}
.tr-point h4 { font-size: 16.5px; font-weight: 700; margin: 8px 0 6px; }
.tr-point p { font-size: 15.5px; color: rgba(255, 255, 255, .78); line-height: 1.6; }
.tr-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.tr-links a {
  font-size: 14.5px; font-weight: 600;
  background: rgba(255, 255, 255, .10);
  border: 1px solid rgba(255, 255, 255, .22);
  padding: 9px 15px;
  border-radius: 999px;
  transition: background .15s;
}
.tr-links a:hover { background: rgba(255, 255, 255, .20); }
.tr-source {
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, .14);
  font-size: 13px;
  color: rgba(255, 255, 255, .55);
}

/* ============ Trust module ============ */
.trust-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.trust-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 26px;
}
.trust-icon {
  width: 46px; height: 46px;
  display: grid; place-items: center;
  font-size: 22px;
  border-radius: 12px;
  background: var(--blue-50);
  border: 1px solid var(--blue-100);
  margin-bottom: 16px;
}

/* 통일된 선형 SVG 아이콘 크기 (1em = 부모 font-size) */
.entry-icon svg,
.trust-icon svg,
.hv-flag svg,
.search-icon svg {
  width: 1em;
  height: 1em;
  display: block;
}
.trust-item h3 { font-size: 18px; font-weight: 800; margin-bottom: 8px; }
.trust-item p { font-size: 16px; color: var(--muted); line-height: 1.6; }

/* ============ Latest guides ============ */
.latest-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.latest-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: transform .18s, box-shadow .18s, border-color .18s;
}
.latest-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--blue-200);
}
.latest-cat {
  align-self: flex-start;
  font-size: 12px; font-weight: 700;
  color: var(--blue-700);
  background: var(--blue-50);
  border: 1px solid var(--blue-100);
  padding: 3px 10px;
  border-radius: 999px;
}
.latest-card h3 {
  font-size: 17.5px;
  font-weight: 800;
  line-height: 1.4;
  letter-spacing: -0.01em;
}
.latest-card p { font-size: 14.5px; color: var(--muted); line-height: 1.6; }
.latest-date {
  margin-top: auto;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  gap: 5px;
}
.latest-date::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--blue-400);
}

/* ============ Footer ============ */
.site-footer {
  background: var(--blue-950);
  color: rgba(255, 255, 255, .72);
  padding: 60px 0 0;
  font-size: 14.5px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 32px;
  padding-bottom: 42px;
}
.footer-brand .logo { color: #fff; margin-bottom: 14px; }
.footer-brand .logo-rest { color: #fff; }
.footer-brand p { max-width: 320px; line-height: 1.65; }
.footer-col h4 {
  color: #fff; font-size: 14.5px; font-weight: 700; margin-bottom: 14px;
}
.footer-col a {
  display: block; padding: 5px 0; color: rgba(255,255,255,.66);
  transition: color .15s;
}
.footer-col a:hover { color: #fff; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .12);
  padding: 22px 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  color: rgba(255, 255, 255, .5);
  font-size: 13px;
}

/* ============ Responsive ============ */
@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; gap: 36px; }
  .hero-visual { display: none; }
  .entry-grid, .exchange-grid { grid-template-columns: repeat(2, 1fr); }
  .routes-grid { grid-template-columns: repeat(2, 1fr); }
  .tr-points, .trust-grid, .latest-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero h1 { font-size: 40px; }
}

@media (max-width: 720px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 70px; left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    background: #fff;
    border-bottom: 1px solid var(--border);
    padding: 12px 20px 20px;
    box-shadow: var(--shadow-md);
  }
  .nav-links.open { display: flex; }
  .nav-links li { width: 100%; }
  .nav-links a { display: block; padding: 12px 8px; }
  .nav-toggle { display: flex; }

  .hero { padding: 60px 0 70px; }
  .hero h1 { font-size: 33px; }
  .hero p.lead { font-size: 17px; }
  .section { padding: 54px 0; }
  .section-head h2 { font-size: 26px; }

  .entry-grid, .exchange-grid, .routes-grid { grid-template-columns: 1fr; }
  .travelrule-card { padding: 32px 26px; }
}

/* ============ Navigation dropdown & active ============ */
.nav-links .has-dropdown { position: relative; }
.nav-links .dropdown-menu {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: var(--shadow-md);
  min-width: 190px;
  padding: 8px;
  display: none;
  z-index: 60;
}
.nav-links .has-dropdown:hover .dropdown-menu,
.nav-links .has-dropdown:focus-within .dropdown-menu { display: block; }
.dropdown-menu li { list-style: none; }
.dropdown-menu a {
  display: block;
  padding: 9px 12px;
  border-radius: 8px;
  font-size: 14.5px;
}
.dropdown-menu a:hover { background: var(--blue-50); color: var(--blue-700); }
.nav-links a.active { color: var(--blue-700); background: var(--blue-50); }

/* ============ Breadcrumb ============ */
.breadcrumb {
  font-size: 13.5px;
  color: var(--muted);
  padding: 22px 0 0;
}
.breadcrumb ol { list-style: none; display: flex; flex-wrap: wrap; gap: 6px; }
.breadcrumb li { display: flex; align-items: center; gap: 6px; }
.breadcrumb li + li::before { content: "›"; color: #B6C2D2; }
.breadcrumb a:hover { color: var(--blue-700); }
.breadcrumb [aria-current] { color: var(--text); font-weight: 600; }

/* ============ Exchange page ============ */
.ex-page { padding-bottom: 76px; }
.ex-hero {
  display: flex;
  align-items: flex-start;
  gap: 22px;
  padding: 34px 0 6px;
}
.ex-hero-logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 14px 20px;
  flex-shrink: 0;
  box-shadow: 0 1px 3px rgba(21,34,56,.05);
}
.ex-hero-logo img {
  height: 46px;
  width: auto;
  display: block;
}
.ex-hero h1 { font-size: 34px; font-weight: 800; letter-spacing: -0.02em; margin-bottom: 10px; }
.ex-hero .ex-hero-lead { font-size: 17px; color: var(--muted); max-width: 700px; line-height: 1.7; }
.ex-hero .ex-hero-meta {
  display: flex; flex-wrap: wrap; gap: 8px;
  margin-top: 16px;
}
.ex-hero .ex-hero-meta span {
  font-size: 13px; font-weight: 600;
  color: var(--blue-700);
  background: var(--blue-50);
  border: 1px solid var(--blue-100);
  padding: 5px 12px;
  border-radius: 999px;
}

.ex-section { padding: 38px 0; }
.ex-section + .ex-section { border-top: 1px solid var(--border); }
.ex-section h2 {
  font-size: 24px; font-weight: 800; letter-spacing: -0.015em;
  margin-bottom: 8px;
}
.ex-section .ex-desc { font-size: 15.5px; color: var(--muted); margin-bottom: 22px; }

/* Task entry grid */
.task-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
.task-card {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px;
  font-size: 15.5px;
  font-weight: 700;
  transition: transform .15s, box-shadow .15s, border-color .15s, color .15s;
}
.task-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--blue-200);
  color: var(--blue-700);
}
.task-card .task-arrow { margin-left: auto; color: var(--blue-400); }

/* Info box */
.info-box {
  background: var(--blue-50);
  border: 1px solid var(--blue-100);
  border-radius: 14px;
  padding: 22px 24px;
}
.info-box h3 { font-size: 17px; font-weight: 800; margin-bottom: 12px; }
.info-box ul { display: flex; flex-direction: column; gap: 10px; }
.info-box li {
  font-size: 15px;
  color: var(--text);
  display: flex;
  gap: 10px;
  line-height: 1.6;
}
.info-box li::before { content: "✓"; color: var(--blue-600); font-weight: 800; flex-shrink: 0; }

/* FAQ */
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
}
.faq-item summary {
  cursor: pointer;
  padding: 18px 20px;
  font-size: 15.5px;
  font-weight: 700;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; font-size: 20px; color: var(--blue-500); font-weight: 600; }
.faq-item[open] summary::after { content: "−"; }
.faq-item .faq-body { padding: 0 20px 18px; font-size: 15px; color: var(--muted); line-height: 1.7; }

/* Related guides reuse latest-grid */
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.related-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px;
  transition: transform .15s, box-shadow .15s, border-color .15s;
}
.related-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--blue-200);
}
.related-card h3 { font-size: 16px; font-weight: 800; line-height: 1.4; }
.related-card .related-date { font-size: 12.5px; font-weight: 600; color: var(--muted); }

@media (max-width: 960px) {
  .task-grid { grid-template-columns: repeat(2, 1fr); }
  .related-grid { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .nav-links .dropdown-menu {
    position: static;
    display: block;
    box-shadow: none;
    border: 0;
    padding: 0 0 0 14px;
    min-width: 0;
  }
  .ex-hero { flex-direction: column; }
  .task-grid { grid-template-columns: 1fr; }
}

/* ============ Article page ============ */
.article-page { padding-bottom: 80px; }
.article-page .container { max-width: 800px; }

.article-header { padding: 30px 0 24px; border-bottom: 1px solid var(--border); }
.article-cat {
  display: inline-block;
  font-size: 12.5px; font-weight: 700; letter-spacing: .02em;
  color: var(--blue-700);
  background: var(--blue-50);
  border: 1px solid var(--blue-100);
  padding: 4px 12px;
  border-radius: 999px;
  margin-bottom: 14px;
}
.article-header h1 {
  font-size: 32px; font-weight: 800; letter-spacing: -0.02em;
  line-height: 1.3; margin-bottom: 14px;
}
.article-lead { font-size: 17px; color: var(--muted); line-height: 1.7; margin-bottom: 18px; }
.article-meta {
  display: flex; flex-wrap: wrap; gap: 16px;
  font-size: 13px; color: var(--muted);
}
.article-meta span { display: inline-flex; align-items: center; gap: 6px; }

/* TOC */
.article-toc {
  background: var(--blue-50);
  border: 1px solid var(--blue-100);
  border-radius: 14px;
  padding: 20px 22px;
  margin: 26px 0 8px;
}
.article-toc strong { font-size: 15px; font-weight: 800; display: block; margin-bottom: 12px; color: var(--blue-800); }
.article-toc ol { list-style: none; counter-reset: toc; display: flex; flex-direction: column; gap: 8px; }
.article-toc li { counter-increment: toc; }
.article-toc a {
  display: flex; gap: 10px; align-items: baseline;
  font-size: 14.5px; font-weight: 600; color: var(--text);
  transition: color .15s;
}
.article-toc a::before {
  content: counter(toc, decimal-leading-zero);
  font-size: 12px; font-weight: 800; color: var(--blue-500);
}
.article-toc a:hover { color: var(--blue-600); }

/* Prose */
.article-prose { padding: 30px 0 10px; }
.article-prose h2 {
  font-size: 24px; font-weight: 800; letter-spacing: -0.015em;
  margin: 40px 0 14px; padding-top: 8px;
  color: var(--blue-900);
}
.article-prose h2:first-child { margin-top: 0; }
.article-prose h3 { font-size: 18px; font-weight: 800; margin: 26px 0 10px; }
.article-prose p { font-size: 16px; line-height: 1.8; margin-bottom: 16px; }
.article-prose ul, .article-prose ol { margin: 0 0 16px 0; padding-left: 22px; }
.article-prose ul { list-style: disc; }
.article-prose ol { list-style: decimal; }
.article-prose li { font-size: 16px; line-height: 1.75; margin-bottom: 8px; }
.article-prose li::marker { color: var(--blue-500); }
.article-prose a { color: var(--blue-600); text-decoration: underline; text-underline-offset: 3px; }
.article-prose strong { font-weight: 700; }
.ph { color: var(--muted); font-size: 15px; }

/* Callout */
.callout {
  border-radius: 14px;
  padding: 18px 20px;
  margin: 20px 0;
  font-size: 15px;
  line-height: 1.7;
}
.callout strong { display: block; margin-bottom: 6px; font-size: 15px; }
.callout-warn { background: var(--accent-soft); border: 1px solid #F4E2B3; }
.callout-warn strong { color: var(--accent-dark); }
.callout-danger { background: #FDECEC; border: 1px solid #F5C6C6; }
.callout-danger strong { color: #C0392B; }
.callout-tip { background: #EDF7F0; border: 1px solid #C4E4CF; }
.callout-tip strong { color: #1E7A45; }

/* Steps */
.steps { counter-reset: step; display: flex; flex-direction: column; gap: 14px; margin: 20px 0; }
.step {
  counter-increment: step;
  position: relative;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px 20px 18px 60px;
}
.step::before {
  content: counter(step);
  position: absolute; left: 16px; top: 16px;
  width: 30px; height: 30px; border-radius: 50%;
  background: var(--blue-700); color: #fff;
  display: grid; place-items: center;
  font-size: 14px; font-weight: 800;
}
.step h3 { font-size: 16px; font-weight: 800; margin-bottom: 6px; }
.step p { font-size: 15px; color: var(--muted); line-height: 1.7; }

/* Table */
.article-prose table, .table {
  width: 100%; border-collapse: collapse;
  font-size: 14.5px; margin: 20px 0;
}
.article-prose th, .article-prose td, .table th, .table td {
  border: 1px solid var(--border);
  padding: 12px 14px;
  text-align: left;
  vertical-align: top;
}
.article-prose th, .table th {
  background: var(--blue-50);
  color: var(--blue-800);
  font-weight: 700;
}

/* Unified article facts strip (마지막 확인 / 난이도 / 읽는 시간) */
.article-facts {
  display: flex; flex-wrap: wrap; gap: 8px;
  margin-top: 16px;
}
.article-facts span {
  font-size: 12.5px; font-weight: 600;
  color: var(--muted);
  background: var(--blue-50);
  border: 1px solid var(--blue-100);
  padding: 5px 12px;
  border-radius: 999px;
}
.article-facts b { color: var(--blue-700); font-weight: 700; }

/* 빠른 답변 */
.quick-answer {
  background: linear-gradient(180deg, #F0F6FF, var(--blue-50));
  border: 1px solid var(--blue-100);
  border-left: 4px solid var(--blue-600);
  border-radius: 14px;
  padding: 20px 22px;
  margin: 24px 0 8px;
}
.quick-answer strong {
  display: flex; align-items: center; gap: 8px;
  font-size: 15.5px; font-weight: 800; color: var(--blue-800); margin-bottom: 10px;
}
.quick-answer strong::before { content: "\26A1\FE0E"; }
.quick-answer ul { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.quick-answer li {
  font-size: 15px; line-height: 1.6; padding-left: 16px; position: relative;
}
.quick-answer li::before {
  content: "·"; position: absolute; left: 4px; color: var(--blue-500); font-weight: 800;
}

/* Disclaimer */
.disclaimer {
  font-size: 13px; color: var(--muted);
  background: var(--blue-50);
  border: 1px solid var(--blue-100);
  border-radius: 10px;
  padding: 12px 16px;
  margin: 16px 0 0;
  line-height: 1.6;
}

/* Hub page (generic list hub) */
.hub-hero { padding: 40px 0 12px; }
.hub-hero h1 { font-size: 34px; font-weight: 800; letter-spacing: -0.02em; margin-bottom: 12px; }
.hub-hero p { font-size: 17px; color: var(--muted); max-width: 680px; line-height: 1.7; }
.hub-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  padding: 28px 0 8px;
}
.hub-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px;
  display: flex; flex-direction: column; gap: 8px;
  transition: transform .15s, box-shadow .15s, border-color .15s;
}
.hub-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: var(--blue-200); }
.hub-card h3 { font-size: 17px; font-weight: 800; }
.hub-card p { font-size: 14.5px; color: var(--muted); line-height: 1.6; }
.hub-card .hub-arrow { margin-top: 4px; color: var(--blue-400); font-weight: 700; }

@media (max-width: 720px) {
  .article-header h1 { font-size: 26px; }
  .hub-grid { grid-template-columns: 1fr; }
}