:root {
  color-scheme: light;
  --blue-900: #073b78;
  --blue-800: #064c9e;
  --blue-700: #075bb8;
  --blue-600: #0b67c9;
  --blue-100: #eaf4ff;
  --blue-050: #f4f9ff;
  --ink: #17243a;
  --muted: #5e6b7c;
  --paper: #ffffff;
  --surface: #ffffff;
  --surface-soft: #f7f9fc;
  --line: #dbe3ec;
  --line-strong: #c5d2e0;
  --shadow: 0 10px 30px rgba(19, 58, 104, 0.08);
  --shadow-small: 0 4px 14px rgba(19, 58, 104, 0.07);
  --radius: 14px;
  --radius-small: 9px;
  --content: 1240px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 150px; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
button { cursor: pointer; }
img { max-width: 100%; }
:focus-visible { outline: 3px solid rgba(11, 103, 201, .28); outline-offset: 3px; }
.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 200;
  padding: .75rem 1rem;
  background: var(--blue-900);
  color: white;
}
.skip-link:focus { left: 1rem; top: 1rem; }

.page-shell,
.header-shell,
.site-footer {
  width: min(var(--content), calc(100% - 32px));
  margin-inline: auto;
}

.utility-bar {
  border-bottom: 1px solid var(--line);
  background: #fff;
  color: var(--muted);
  font-size: .82rem;
}
.utility-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 38px;
  gap: 1rem;
}
.utility-links {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-weight: 700;
}
.utility-links > a:hover { color: var(--blue-700); }
.language-switch {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  border-left: 1px solid var(--line);
  padding-left: 1rem;
}
.language-switch a { color: var(--blue-700); font-weight: 850; }
.language-switch .current { text-decoration: underline; text-underline-offset: 4px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, .97);
  box-shadow: 0 4px 18px rgba(20, 53, 91, .05);
  backdrop-filter: blur(10px);
}
.header-main {
  display: grid;
  grid-template-columns: minmax(210px, .75fr) minmax(320px, 1.45fr) minmax(128px, .42fr);
  align-items: center;
  gap: 1rem;
  min-height: 84px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: .8rem;
  min-width: 0;
}
.brand-mark {
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 50% 50% 50% 14px;
  background: var(--blue-700);
  color: white;
  font-size: 1.5rem;
  box-shadow: var(--shadow-small);
}
.brand-copy { display: grid; min-width: 0; line-height: 1.14; }
.brand-copy strong {
  overflow: hidden;
  color: var(--blue-900);
  font-size: 1.05rem;
  font-weight: 900;
  letter-spacing: -.025em;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.brand-copy small { margin-top: .2rem; color: var(--muted); font-size: .74rem; font-weight: 650; }
.header-search {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  overflow: hidden;
  min-height: 48px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-small);
  background: #fff;
}
.header-search:focus-within { border-color: var(--blue-600); box-shadow: 0 0 0 3px rgba(11, 103, 201, .12); }
.header-search input {
  min-width: 0;
  border: 0;
  outline: 0;
  padding: .7rem .9rem;
  color: var(--ink);
  background: transparent;
}
.header-search button,
.header-search .search-label {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  background: var(--blue-700);
  color: white;
  padding: .7rem 1.1rem;
  font-weight: 850;
}
.header-search-link {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  overflow: hidden;
  min-height: 48px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-small);
  color: var(--muted);
}
.header-search-link > span:first-child {
  overflow: hidden;
  padding: .7rem .9rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.header-action {
  display: grid;
  justify-items: center;
  min-height: 48px;
  border: 1px solid var(--blue-700);
  border-radius: var(--radius-small);
  padding: .45rem .75rem;
  color: var(--blue-700);
  line-height: 1.1;
  text-align: center;
}
.header-action span { font-size: .72rem; font-weight: 750; }
.header-action strong { margin-top: .18rem; font-size: .92rem; }
.header-action:hover { background: var(--blue-050); }
.category-nav { background: var(--blue-800); color: white; }
.category-nav-inner {
  display: flex;
  align-items: stretch;
  overflow-x: auto;
  scrollbar-width: none;
}
.category-nav-inner::-webkit-scrollbar { display: none; }
.category-nav a {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  min-height: 48px;
  border-right: 1px solid rgba(255,255,255,.14);
  padding: .65rem .95rem;
  font-size: .86rem;
  font-weight: 780;
  white-space: nowrap;
}
.category-nav a:hover,
.category-nav a:focus-visible,
.category-nav a[aria-current="page"] { background: rgba(255,255,255,.13); outline-offset: -3px; }
.category-menu { gap: .55rem; background: var(--blue-700); font-weight: 900 !important; }
.menu-icon { font-size: 1.05rem; line-height: 1; }

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(300px, .72fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
  margin-top: 2rem;
  border: 1px solid #d8e9fb;
  border-radius: 22px;
  background: linear-gradient(110deg, var(--blue-050) 0%, #edf6ff 58%, #ffffff 100%);
  padding: clamp(2rem, 6vw, 5rem);
}
.hero-copy { min-width: 0; }
.eyebrow,
.module-kicker {
  margin: 0 0 .7rem;
  color: var(--blue-700);
  font-size: .76rem;
  font-weight: 900;
  letter-spacing: .11em;
  text-transform: uppercase;
}
h1, h2, h3 { margin-top: 0; color: var(--ink); letter-spacing: -.03em; }
h1 {
  max-width: 900px;
  margin-bottom: 0;
  font-size: clamp(2.75rem, 6.6vw, 5.8rem);
  line-height: .98;
  font-weight: 900;
}
h2 { margin-bottom: 0; font-size: clamp(2rem, 4vw, 3.35rem); line-height: 1.05; font-weight: 880; }
h3 { margin-bottom: 0; font-size: 1.22rem; line-height: 1.2; font-weight: 850; }
.lead { max-width: 780px; margin: 1.25rem 0 0; color: var(--muted); font-size: clamp(1.03rem, 1.8vw, 1.22rem); }
.hero-meta { display: flex; flex-wrap: wrap; gap: .55rem; margin-top: 1.25rem; }
.hero-meta span {
  border: 1px solid #cde2f8;
  border-radius: 999px;
  background: rgba(255,255,255,.74);
  padding: .35rem .65rem;
  color: var(--blue-800);
  font-size: .78rem;
  font-weight: 820;
}
.actions { display: flex; flex-wrap: wrap; gap: .7rem; margin-top: 1.6rem; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  border: 1px solid var(--blue-700);
  border-radius: var(--radius-small);
  padding: .65rem 1.05rem;
  color: var(--blue-700);
  font-weight: 850;
  transition: transform .18s ease, background .18s ease;
}
.button.primary { background: var(--blue-700); color: white; }
.button:hover { transform: translateY(-1px); }
.button:not(.primary):hover { background: var(--blue-050); }
.hero-card,
.panel,
.path-card,
.module-card,
.journey-step,
.identity-card,
.notice,
.language-door,
.quick-link {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow-small);
}
.hero-card { padding: clamp(1.35rem, 3.5vw, 2rem); }
.hero-card-label {
  display: inline-flex;
  border-radius: 999px;
  background: var(--blue-100);
  padding: .35rem .6rem;
  color: var(--blue-800);
  font-size: .72rem;
  font-weight: 900;
  letter-spacing: .06em;
  text-transform: uppercase;
}
.hero-card blockquote {
  margin: 1rem 0 0;
  color: var(--blue-900);
  font-size: clamp(1.3rem, 2.6vw, 1.9rem);
  font-weight: 820;
  line-height: 1.2;
  letter-spacing: -.025em;
}
.hero-card p { margin: 1rem 0 0; color: var(--muted); }
.quick-access {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  padding: 1.2rem 0 2rem;
}
.quick-link {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr) auto;
  align-items: center;
  gap: .8rem;
  padding: 1rem;
}
.quick-link:hover { border-color: #aacbeb; box-shadow: var(--shadow); }
.quick-icon {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--blue-100);
  color: var(--blue-700);
  font-weight: 950;
}
.quick-copy { display: grid; line-height: 1.2; }
.quick-copy strong { color: var(--blue-900); font-size: .96rem; }
.quick-copy small { margin-top: .25rem; color: var(--muted); }
.quick-arrow { color: var(--blue-700); font-size: 1.2rem; font-weight: 900; }
.section { padding: clamp(3.6rem, 7vw, 6rem) 0; }
.section + .section { border-top: 1px solid var(--line); }
.section-soft { position: relative; }
.section-soft::before {
  position: absolute;
  inset: 0 calc(50% - 50vw);
  z-index: -1;
  background: var(--surface-soft);
  content: "";
}
.section-head {
  display: grid;
  grid-template-columns: minmax(250px, .78fr) minmax(0, 1.22fr);
  gap: 2rem;
  align-items: start;
  margin-bottom: 2rem;
}
.section-head > p { max-width: 760px; margin: .45rem 0 0; color: var(--muted); }
.definition-grid,
.path-grid,
.journey-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}
.panel,
.path-card,
.journey-step { padding: 1.25rem; }
.panel p,
.path-card p,
.journey-step p { margin: .65rem 0 0; color: var(--muted); }
.panel { border-top: 4px solid var(--blue-600); }
.path-card { position: relative; overflow: hidden; border-top: 4px solid var(--blue-600); }
.path-card::after {
  position: absolute;
  right: -16px;
  bottom: -28px;
  width: 86px;
  height: 86px;
  border-radius: 50%;
  background: var(--blue-050);
  content: "";
}
.path-card .count { display: inline-block; margin-bottom: .7rem; color: var(--blue-700); font-size: .77rem; font-weight: 900; }

.map-tools {
  display: grid;
  grid-template-columns: minmax(260px, 1fr) minmax(0, auto);
  gap: 1rem;
  align-items: center;
  margin: 1.4rem 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  padding: .8rem;
  box-shadow: var(--shadow-small);
}
.map-search {
  min-height: 46px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-small);
  background: var(--surface);
  padding: .65rem .85rem;
  color: var(--ink);
}
.filter-buttons { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: .4rem; }
.filter-button {
  min-height: 40px;
  border: 1px solid var(--line);
  border-radius: var(--radius-small);
  background: var(--surface);
  padding: .45rem .68rem;
  color: var(--muted);
  font-weight: 780;
}
.filter-button:hover { border-color: #abc9e7; color: var(--blue-700); }
.filter-button.active { border-color: var(--blue-700); background: var(--blue-700); color: white; }
.module-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }
.module-card {
  position: relative;
  display: grid;
  gap: .65rem;
  min-height: 100%;
  padding: 1.2rem;
  box-shadow: none;
}
.module-card::before {
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  border-radius: var(--radius) 0 0 var(--radius);
  background: var(--blue-600);
  content: "";
}
.module-card:hover { border-color: #a8c9e9; box-shadow: var(--shadow); transform: translateY(-2px); }
.module-number { color: var(--blue-700); font-size: .75rem; font-weight: 950; letter-spacing: .1em; }
.module-card h3 { font-size: 1.18rem; }
.module-recognition { margin: 0; color: var(--muted); font-style: italic; }
.module-skill { margin: 0; border-top: 1px solid var(--line); padding-top: .65rem; font-size: .9rem; }
.module-skill strong { display: block; color: var(--blue-700); }
.status-pill {
  width: fit-content;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: .27rem .52rem;
  color: var(--muted);
  font-size: .69rem;
  font-weight: 900;
  letter-spacing: .07em;
  text-transform: uppercase;
}
.status-pill.in-progress { border-color: transparent; background: var(--blue-100); color: var(--blue-800); }
.empty-state { grid-column: 1 / -1; padding: 2rem; text-align: center; color: var(--muted); }
.journey-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.journey-step .step-number {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  margin-bottom: .8rem;
  border-radius: 50%;
  background: var(--blue-700);
  color: white;
  font-weight: 900;
}
.notice { padding: clamp(1.4rem, 4vw, 2rem); border-left: 5px solid var(--blue-600); background: var(--blue-050); }
.notice p:last-child { margin: .65rem 0 0; color: var(--muted); }
.site-footer {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1rem;
  border-top: 4px solid var(--blue-600);
  padding: 2rem 0 3rem;
  color: var(--muted);
  font-size: .88rem;
}
.site-footer p { margin: 0; }

.language-gate {
  min-height: 100vh;
  background: linear-gradient(180deg, var(--blue-800) 0 13px, transparent 13px), linear-gradient(135deg, var(--blue-050), #fff 62%);
}
.gate-shell {
  width: min(980px, calc(100% - 32px));
  margin-inline: auto;
  padding: clamp(3rem, 9vw, 7rem) 0;
  text-align: center;
}
.gate-shell h1 { margin-inline: auto; color: var(--blue-900); }
.gate-lead { max-width: 680px; margin: 1.2rem auto 0; color: var(--muted); font-size: 1.18rem; }
.brand-symbol {
  display: grid;
  place-items: center;
  width: 72px;
  height: 72px;
  margin: 0 auto 1.3rem;
  border-radius: 50% 50% 50% 22px;
  background: var(--blue-700);
  box-shadow: var(--shadow);
}
.brand-symbol::before { color: white; content: "+"; font-size: 2.4rem; font-weight: 350; }
.brand-symbol span { display: none; }
.language-doors { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; margin-top: 2.1rem; }
.language-door { display: grid; gap: .35rem; padding: 1.45rem; text-align: left; }
.language-door:hover { border-color: #a6c8e8; box-shadow: var(--shadow); transform: translateY(-2px); }
.door-label { color: var(--blue-700); font-size: .78rem; font-weight: 950; letter-spacing: .1em; }
.language-door strong { color: var(--blue-900); font-size: 1.35rem; }
.language-door small { color: var(--muted); }
.gate-note { margin-top: 1.5rem; color: var(--muted); font-size: .86rem; }

.breadcrumb { display: flex; flex-wrap: wrap; gap: .45rem; align-items: center; padding-top: 1.2rem; color: var(--muted); font-size: .82rem; }
.breadcrumb a { color: var(--blue-700); font-weight: 780; }
.module-hero { padding: clamp(2.7rem, 6vw, 5rem) 0 2rem; }
.module-hero h1 { max-width: 1040px; color: var(--blue-900); font-size: clamp(2.5rem, 6vw, 5rem); }
.module-quote {
  max-width: 820px;
  margin: 1.5rem 0 0;
  border-left: 4px solid var(--blue-600);
  padding-left: 1rem;
  color: var(--blue-900);
  font-size: clamp(1.25rem, 2.6vw, 1.8rem);
  font-weight: 750;
}
.identity-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; padding: 1rem 0 4rem; }
.identity-card { padding: 1.2rem; box-shadow: none; }
.identity-card span { display: block; margin-bottom: .45rem; color: var(--blue-700); font-size: .73rem; font-weight: 900; letter-spacing: .07em; text-transform: uppercase; }
.identity-card strong { font-size: 1.18rem; line-height: 1.22; }
.module-outline { display: grid; gap: .75rem; padding-bottom: 4rem; }
.outline-item {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  padding: 1.1rem;
}
.outline-item .outline-number {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--blue-100);
  color: var(--blue-700);
  font-weight: 950;
}
.outline-item p { margin: .4rem 0 0; color: var(--muted); }

@media (max-width: 1040px) {
  .header-main { grid-template-columns: minmax(200px, .7fr) minmax(260px, 1.2fr) auto; }
  .header-action span { display: none; }
  .hero,
  .section-head { grid-template-columns: 1fr; }
  .definition-grid,
  .path-grid,
  .module-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .journey-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .map-tools { grid-template-columns: 1fr; }
  .filter-buttons { justify-content: flex-start; }
}

@media (max-width: 760px) {
  html { scroll-padding-top: 120px; }
  .utility-bar { display: none; }
  .header-main { grid-template-columns: minmax(0, 1fr) auto; min-height: 70px; }
  .brand-mark { width: 40px; height: 40px; }
  .brand-copy small { display: none; }
  .header-search,
  .header-search-link { grid-column: 1 / -1; grid-row: 2; margin-bottom: .75rem; }
  .header-action { grid-column: 2; grid-row: 1; min-height: 40px; }
  .category-nav a { min-height: 44px; padding-inline: .78rem; font-size: .8rem; }
  .hero { margin-top: 1rem; padding: 1.4rem; border-radius: 16px; }
  h1 { font-size: clamp(2.45rem, 13vw, 4rem); }
  .quick-access,
  .definition-grid,
  .path-grid,
  .module-grid,
  .journey-grid,
  .identity-grid,
  .language-doors { grid-template-columns: 1fr; }
  .section { padding-block: 3.3rem; }
  .section-head { gap: 1rem; }
  .site-footer { grid-template-columns: 1fr; }
  .outline-item { grid-template-columns: 42px minmax(0, 1fr); padding: .95rem; }
}

@media (max-width: 430px) {
  .page-shell,
  .header-shell,
  .site-footer { width: min(var(--content), calc(100% - 22px)); }
  .brand-copy strong { font-size: .94rem; }
  .header-action { padding-inline: .55rem; }
  .header-search button,
  .header-search .search-label { padding-inline: .8rem; }
  .quick-link { grid-template-columns: 38px minmax(0, 1fr) auto; }
  .quick-icon { width: 38px; height: 38px; }
}

@media (prefers-reduced-motion: no-preference) {
  .module-card,
  .language-door,
  .quick-link { transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease; }
}