/* =========================================================
   IMPERIAL ITALIAN SCHOOL — үндсэн дизайн
   Хар ногоон + алтлаг өнгөт luxury загвар
   ========================================================= */

:root {
  --color-bg: #0a1e14;              /* хамгийн бараан ногоон */
  --color-bg-2: #0e2a1c;            /* хэсгийн ялгарал */
  --color-bg-3: #123726;            /* карт, панель */
  --color-line: #1e4a34;            /* хилийн шугам */
  --color-line-strong: #2a5f45;
  --color-gold: #d4b45f;            /* үндсэн алтлаг */
  --color-gold-bright: #e9c96f;
  --color-gold-dim: #a68a3a;
  --color-text: #ecebe4;
  --color-text-muted: #a9b5ae;
  --color-text-dim: #7a8a80;
  --color-danger: #d17b6b;
  --color-flag-green: #009246;
  --color-flag-white: #f1f2f1;
  --color-flag-red: #ce2b37;

  /* Гарчгийн фонт. "Playfair Display" нь Ө/Ү үсэггүй (cyrillic-ext дэмждэггүй)
     тул монгол гарчиг дундуур өөр фонт руу унадаг байсан. "Playfair" нь
     ижил загвартай боловч монгол кирилл бүрэн дэмждэг. */
  --font-serif: "Playfair", "Noto Serif", Georgia, "Times New Roman", serif;
  /* Бичвэрийн фонт — Inter монгол кирилл бүрэн дэмждэг. */
  --font-sans: "Inter", "Segoe UI", -apple-system, Arial, sans-serif;

  --max-width: 1360px;
  --radius: 4px;
  --shadow: 0 12px 40px rgba(0,0,0,0.35);
  --shadow-gold: 0 0 40px rgba(212,180,95,0.18);
}

/* ---------- Base ---------- */

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color 0.2s ease; }

/* Хөтчийн өгөгдмөл фонт форм болон товчлуур руу нэвчихээс сэргийлнэ */
button, input, select, textarea, optgroup { font-family: inherit; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 40px;
}

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--color-text);
  margin: 0 0 16px;
}

h1 { font-size: clamp(2.6rem, 6vw, 5.2rem); line-height: 1.05; }
h2 { font-size: clamp(1.9rem, 3.4vw, 2.8rem); line-height: 1.15; }
h3 { font-size: 1.3rem; }

/* Гарчиг дотрох онцлох үг. Налуу (italic) хэлбэрийг ашигладаггүй:
   кирилл үсгийн жинхэнэ налуу нь д, г, т зэргийн хэлбэрийг бүрэн өөрчилдөг
   тул өөр фонт мэт харагддаг. Ялгааг зөвхөн өнгөөр гаргана. */
.italic-accent {
  color: var(--color-gold);
  font-family: var(--font-serif);
  font-style: normal;
}

.eyebrow {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-gold);
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 14px;
}
.eyebrow::before {
  content: "";
  width: 40px;
  height: 1px;
  background: var(--color-gold);
}

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: rgba(10, 30, 20, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-line);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  padding: 18px 40px;
  max-width: var(--max-width);
  margin: 0 auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--color-gold);
}

.brand-seal {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  flex-shrink: 0;
  display: block;
  overflow: hidden;
}
.brand-seal img { width: 100%; height: 100%; object-fit: contain; display: block; }

.brand-text .name-main {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  letter-spacing: 0.15em;
  color: var(--color-gold);
  line-height: 1;
}

/* Нүүр хуудас руу шилждэг тусдаа шошго - лого өөрөө шилжилт хийхгүй */
.brand-text .name-home {
  display: flex;
  align-items: center;
  gap: 5px;
  margin-bottom: 6px;
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-gold-dim);
  white-space: nowrap;
  transition: color 0.2s ease;
}
.brand-text .name-home svg { width: 12px; height: 12px; flex-shrink: 0; }
.brand-text .name-home:hover { color: var(--color-gold); }
.brand { flex-shrink: 0; }

.brand-text .name-sub {
  white-space: nowrap;
  font-family: var(--font-sans);
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  color: var(--color-text-muted);
  margin-top: 4px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2px;
  list-style: none;
  margin: 0 0 0 auto;   /* цэс, Бүртгүүлэх, хэлний сонголт баруун тийш бүлэглэгдэнэ */
  padding: 0;
}

.nav-links a {
  display: inline-block;
  white-space: nowrap;
  padding: 10px 12px;
  font-size: 0.72rem;
  line-height: 1;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text);
  font-weight: 500;
  position: relative;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-gold);
}

.nav-links a.active::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 2px;
  height: 1px;
  background: var(--color-gold);
}

.header-cta {
  margin-left: 18px;
  flex-shrink: 0;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 26px;
  background: var(--color-gold);
  color: var(--color-bg);
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.15s ease;
}
.header-cta:hover { background: var(--color-gold-bright); }

.lang-switch {
  display: flex;
  align-items: center;
  gap: 2px;
  margin-left: 12px;
  padding: 3px;
  border: 1px solid var(--color-line-strong);
  flex-shrink: 0;
}
.lang-switch-item {
  padding: 5px 10px;
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  font-weight: 600;
  color: var(--color-text-muted);
}
.lang-switch-item.is-active { background: var(--color-gold); color: var(--color-bg); }
.lang-switch-item:hover:not(.is-active) { color: var(--color-gold); }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-gold);
  font-size: 1.6rem;
  cursor: pointer;
}

/* ---------- Nav dropdown ("Сурагчид" mega menu) ---------- */

.nav-item-dropdown { position: relative; }

.nav-dropdown-trigger {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
  padding: 10px 12px;
  font-size: 0.72rem;
  line-height: 1;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text);
  font-weight: 500;
  font-family: var(--font-sans);
  background: none;
  border: none;
  cursor: pointer;
}
.nav-dropdown-trigger:hover,
.nav-dropdown-trigger.active,
.nav-item-dropdown:hover .nav-dropdown-trigger,
.nav-item-dropdown.is-open .nav-dropdown-trigger { color: var(--color-gold); }

.nav-dropdown-caret {
  width: 9px;
  height: 9px;
  flex-shrink: 0;
  transition: transform 0.2s ease;
}
.nav-item-dropdown:hover .nav-dropdown-caret,
.nav-item-dropdown.is-open .nav-dropdown-caret { transform: rotate(180deg); }

.nav-dropdown-panel {
  position: absolute;
  top: 100%;
  left: 0;
  width: 320px;
  max-width: 88vw;
  padding: 10px;
  background: #0e2a1c;
  border: 1px solid var(--color-line);
  border-top: none;
  box-shadow: var(--shadow);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.18s ease, visibility 0.18s;
  z-index: 250;
}
.nav-item-dropdown:hover .nav-dropdown-panel,
.nav-item-dropdown.is-open .nav-dropdown-panel {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.nav-dropdown-grid {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.nav-dropdown-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 10px;
  border: 1px solid transparent;
  transition: border-color 0.2s ease, background 0.2s ease;
}
.nav-dropdown-item:hover { border-color: var(--color-line-strong); background: rgba(212,180,95,0.06); }

.nav-dropdown-icon { display: none; }

.nav-dropdown-item > span:last-child {
  flex: 1 1 auto;
  min-width: 0;
}

.nav-dropdown-title {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: var(--color-text);
  letter-spacing: 0.01em;
  overflow-wrap: break-word;
}
.nav-dropdown-item:hover .nav-dropdown-title { color: var(--color-gold); }

.nav-dropdown-desc {
  display: block;
  font-size: 0.75rem;
  color: var(--color-text-dim);
  margin-top: 2px;
  overflow-wrap: break-word;
}

/* ---------- Latest ticker ---------- */

.latest-bar {
  background: linear-gradient(90deg, #0a1e14 0%, #0e2a1c 100%);
  border-bottom: 1px solid var(--color-line);
  overflow: hidden;
  position: relative;
}
.latest-bar-inner {
  display: flex;
  align-items: center;
  padding: 0;
}
.latest-tag {
  background: var(--color-gold);
  color: var(--color-bg);
  padding: 10px 18px;
  font-size: 0.7rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  font-weight: 700;
  flex-shrink: 0;
}
.ticker-wrap {
  overflow: hidden;
  flex: 1;
  position: relative;
}
.ticker-track {
  display: flex;
  gap: 60px;
  padding: 10px 0;
  animation: ticker 45s linear infinite;
  white-space: nowrap;
  width: max-content;
}
.ticker-item {
  color: var(--color-text-muted);
  font-size: 0.85rem;
  letter-spacing: 0.02em;
  display: inline-flex;
  align-items: center;
  gap: 60px;
}
.ticker-item::before {
  content: "◆";
  color: var(--color-gold);
  font-size: 0.7rem;
  margin-right: 20px;
}
@keyframes ticker {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ---------- Hero ---------- */

.hero {
  min-height: 90vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  position: relative;
  overflow: hidden;
}

.hero-left {
  padding: 100px 40px 100px 80px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  z-index: 2;
}

.hero-left h1 {
  margin: 26px 0 30px;
  font-size: clamp(2.2rem, 4.2vw, 4rem);
  line-height: 1.12;
}

.hero-left p.lead {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  max-width: 46ch;
  margin: 0 0 40px;
}

.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

.hero-right {
  position: relative;
  background: radial-gradient(ellipse at center, #17402c 0%, #0a1e14 70%);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-right::before,
.hero-right::after {
  content: "";
  position: absolute;
  border: 1px dashed rgba(212,180,95,0.25);
  border-radius: 50%;
}
.hero-right::before { width: 76%; padding-bottom: 76%; top: 12%; left: 12%; }
.hero-right::after { width: 55%; padding-bottom: 55%; top: 22%; left: 22%; }

.hero-seal {
  position: relative;
  z-index: 2;
  width: 380px;
  height: 380px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  filter: drop-shadow(0 0 40px rgba(212,180,95,0.25));
}
.hero-seal img.hero-logo {
  width: 100%;
  height: auto;
  display: block;
  -webkit-mask-image: radial-gradient(circle, #000 68%, transparent 92%);
  mask-image: radial-gradient(circle, #000 68%, transparent 92%);
}

.hero-seal .seal-mark {
  width: 190px;
  height: 190px;
  border-radius: 8px;
  background: linear-gradient(160deg, #0a1e14, #12351f);
  border: 2px solid var(--color-gold);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--color-gold);
  font-family: var(--font-serif);
  gap: 4px;
  padding: 10px;
  text-align: center;
}
.seal-mark .globe {
  font-size: 2.4rem;
  line-height: 1;
}
.seal-mark .title {
  font-size: 0.85rem;
  letter-spacing: 0.18em;
  font-weight: 700;
}
.seal-mark .subtitle {
  font-size: 0.6rem;
  letter-spacing: 0.28em;
  color: var(--color-gold-dim);
}
.seal-mark .flag {
  display: flex;
  height: 6px;
  width: 60%;
  margin-top: 4px;
}
.seal-mark .flag span { flex: 1; }
.flag-g { background: var(--color-flag-green); }
.flag-w { background: var(--color-flag-white); }
.flag-r { background: var(--color-flag-red); }

.hero-seal .seal-caption {
  margin-top: 22px;
  font-size: 0.62rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--color-gold-dim);
}

/* Кристаллын шугаман сорил */
.hero-right .crosshair {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 100%;
  height: 40%;
  border-top: 1px solid var(--color-line);
  background: linear-gradient(180deg, transparent 0%, rgba(0,0,0,0.35) 100%);
}
.crosshair::before,
.crosshair::after {
  content: "";
  position: absolute;
}
.crosshair::before {
  left: 50%; top: 0; bottom: 0;
  border-left: 1px dashed rgba(212,180,95,0.2);
}
.crosshair::after {
  top: 50%; left: 0; right: 0;
  border-top: 1px dashed rgba(212,180,95,0.2);
}

/* Италийн туг зурвас */
/* Италийн тугны гурван өнгө — hero-гийн зүүн захаар бүтэн өндрөөр.
   Гар утсан дээр ч ижил харагдана (тусдаа дүрэмгүй). */
.flag-stripe {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 12px;
  display: flex;
  flex-direction: column;
  z-index: 3;
}
.flag-stripe span { flex: 1; }

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 32px;
  font-size: 0.78rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: var(--font-sans);
}

.btn-gold {
  background: var(--color-gold);
  color: var(--color-bg);
}
.btn-gold:hover { background: var(--color-gold-bright); box-shadow: var(--shadow-gold); }

.btn-outline {
  background: transparent;
  border-color: var(--color-gold);
  color: var(--color-gold);
}
.btn-outline:hover { background: var(--color-gold); color: var(--color-bg); }

.btn-ghost {
  background: transparent;
  border-color: var(--color-line-strong);
  color: var(--color-text);
}
.btn-ghost:hover { border-color: var(--color-gold); color: var(--color-gold); }

/* ---------- Sections ---------- */

.section { padding: 100px 0; position: relative; }
.section-alt { background: var(--color-bg-2); }
.section-dark { background: #06140d; }

.section-head {
  max-width: 780px;
  margin: 0 auto 70px;
  text-align: center;
}
.section-head h2 { margin-top: 20px; }
.section-head p {
  color: var(--color-text-muted);
  font-size: 1rem;
  max-width: 60ch;
  margin: 16px auto 0;
}

.divider-ornament {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: var(--color-gold);
  margin: 24px 0;
}
.divider-ornament::before,
.divider-ornament::after {
  content: "";
  width: 60px;
  height: 1px;
  background: var(--color-gold);
  opacity: 0.5;
}

/* ---------- Page Header ---------- */

.page-header {
  background: linear-gradient(180deg, #0e2a1c 0%, #0a1e14 100%);
  padding: 90px 0 70px;
  border-bottom: 1px solid var(--color-line);
  text-align: center;
}
.page-header .eyebrow { justify-content: center; display: inline-flex; }
.page-header h1 { margin: 24px 0 14px; font-size: clamp(2.4rem, 4vw, 3.6rem); }
.page-header .breadcrumb {
  color: var(--color-text-dim);
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.page-header .breadcrumb a { color: var(--color-gold); }

.subject-hero-icon {
  width: 128px;
  height: 128px;
  border-radius: 50%;
  overflow: hidden;
  margin: 0 auto 22px;
  border: 2px solid var(--color-gold);
  background: var(--color-bg-3);
  box-shadow: var(--shadow-gold);
}
.subject-hero-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}
.subject-hero-icon.is-missing { display: none; }

/* ---------- Cards & Grids ---------- */

.grid { display: grid; gap: 30px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.leadership-grid > .person-card:nth-child(5):last-child {
  grid-column: 1 / -1;
  justify-self: center;
  width: 100%;
  max-width: 300px;
}

.card {
  background: var(--color-bg-3);
  border: 1px solid var(--color-line);
  padding: 34px 28px;
  position: relative;
  transition: border-color 0.25s ease, transform 0.25s ease;
}
.card:hover {
  border-color: var(--color-gold);
  transform: translateY(-3px);
}
.card .num {
  font-family: var(--font-serif);
  color: var(--color-gold);
  font-size: 0.9rem;
  letter-spacing: 0.15em;
}
.card h3 { margin: 14px 0 12px; }
.card p { color: var(--color-text-muted); font-size: 0.95rem; margin: 0; }

.icon-line {
  width: 42px;
  height: 42px;
  border: 1px solid var(--color-gold);
  color: var(--color-gold);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-size: 1.1rem;
}

/* Programs (levels) */

.level-card {
  background: var(--color-bg-3);
  border: 1px solid var(--color-line);
  padding: 40px 32px;
  position: relative;
  overflow: hidden;
}
.level-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 4px; height: 60px;
  background: var(--color-gold);
}
.level-card .level-tag {
  color: var(--color-gold);
  font-size: 0.72rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
}
.level-card h3 {
  font-family: var(--font-serif);
  font-size: 1.9rem;
  margin: 10px 0 8px;
}
.level-card .grade-range {
  color: var(--color-gold-dim);
  font-family: var(--font-sans);
  font-style: italic;
  font-size: 1.1rem;
  margin-bottom: 20px;
}
.level-card p { color: var(--color-text-muted); font-size: 0.95rem; }
.level-card ul {
  list-style: none;
  padding: 0;
  margin: 20px 0;
}
.level-card li {
  padding: 8px 0 8px 22px;
  border-bottom: 1px solid var(--color-line);
  color: var(--color-text-muted);
  font-size: 0.9rem;
  position: relative;
}
.level-card li::before {
  content: "◆";
  position: absolute;
  left: 0;
  color: var(--color-gold);
  font-size: 0.6rem;
  top: 12px;
}
.level-card li:last-child { border-bottom: none; }

/* Stats row */

.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
  margin: 60px 0;
}
.stat-item {
  padding: 40px 28px;
  border-right: 1px solid var(--color-line);
  text-align: center;
}
.stat-item:last-child { border-right: none; }
.stat-item .num {
  font-family: var(--font-serif);
  font-size: 3.2rem;
  color: var(--color-gold);
  line-height: 1;
  display: block;
}
.stat-item .label {
  color: var(--color-text-muted);
  font-size: 0.78rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  margin-top: 12px;
  display: block;
}

/* News / articles */

.article-card {
  background: var(--color-bg-3);
  border: 1px solid var(--color-line);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: border-color 0.25s ease;
}
.article-card:hover { border-color: var(--color-gold); }
.article-thumb {
  height: 220px;
  background: linear-gradient(135deg, #123726, #06140d);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gold);
  font-size: 3rem;
  position: relative;
  border-bottom: 1px solid var(--color-line);
}
.article-thumb::after {
  content: "";
  position: absolute;
  inset: 20px;
  border: 1px solid rgba(212,180,95,0.2);
  pointer-events: none;
}
.article-thumb:has(img)::after { display: none; }
.article-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.article-feature {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  align-items: stretch;
}
.article-feature .article-thumb {
  height: 100%;
  min-height: 340px;
  border-bottom: none;
  border-right: 1px solid var(--color-line);
}
.article-feature .article-body { padding: 40px 44px; justify-content: center; }
.article-feature .article-body h3 { font-size: 1.7rem; }
.article-body { padding: 26px; flex: 1; display: flex; flex-direction: column; }
.article-meta {
  font-size: 0.72rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--color-gold);
}
.article-body h3 {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  margin: 14px 0 12px;
  line-height: 1.3;
}
.article-body p { color: var(--color-text-muted); font-size: 0.92rem; flex: 1; margin: 0 0 18px; }
.article-body .read {
  color: var(--color-gold);
  font-size: 0.78rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

/* Teacher / staff cards */

.person-card {
  background: var(--color-bg-3);
  border: 1px solid var(--color-line);
  padding: 30px 24px;
  text-align: center;
  transition: border-color 0.25s ease;
}
.person-card:hover { border-color: var(--color-gold); }
/* Хөрөг зургийн хүрээ — бүх багш ижил хэмжээтэй, зураг тасдагдахгүй бүтнээрээ багтана */
.person-photo {
  width: 100%;
  aspect-ratio: 1 / 1;
  margin: 0 auto 20px;
  background: radial-gradient(circle at 30% 30%, #1a4a30, #0a1e14);
  border: 2px solid var(--color-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  color: var(--color-gold);
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 700;
}
.person-photo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}
.person-card h3 {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  margin: 8px 0 4px;
}
.person-card .role {
  color: var(--color-gold);
  font-size: 0.72rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
}
.person-card .subject {
  color: var(--color-text-muted);
  font-size: 0.88rem;
  margin-top: 8px;
  font-style: italic;
  font-family: var(--font-sans);
}

/* Scholarship tiers */

.scholarship-tier {
  background: var(--color-bg-3);
  border: 1px solid var(--color-line);
  padding: 40px 30px;
  text-align: center;
  position: relative;
  transition: transform 0.25s ease, border-color 0.25s ease;
}
.scholarship-tier:hover { transform: translateY(-4px); border-color: var(--color-gold); }
.scholarship-tier.featured {
  border-color: var(--color-gold);
  background: linear-gradient(180deg, #123726 0%, #0e2a1c 100%);
  box-shadow: var(--shadow-gold);
}
.scholarship-tier.featured::before {
  content: "★ ХАМГИЙН ӨНДӨР";
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-gold);
  color: var(--color-bg);
  padding: 5px 16px;
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  font-weight: 700;
}
.scholarship-tier .percent {
  font-family: var(--font-serif);
  font-size: 4.2rem;
  color: var(--color-gold);
  line-height: 1;
}
.scholarship-tier .percent-sub {
  color: var(--color-text-muted);
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-top: 8px;
}
.scholarship-tier h3 {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  margin: 20px 0 14px;
}
.scholarship-tier ul {
  list-style: none;
  padding: 0;
  margin: 20px 0;
  text-align: left;
}
.scholarship-tier li {
  padding: 8px 0 8px 24px;
  color: var(--color-text-muted);
  font-size: 0.9rem;
  position: relative;
  border-bottom: 1px solid var(--color-line);
}
.scholarship-tier li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-gold);
  font-weight: 700;
}
.scholarship-tier li:last-child { border-bottom: none; }

/* ---------- Online Libraries ---------- */

.lib-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px; }

.lib-card {
  background: var(--color-bg-3);
  border: 1px solid var(--color-line);
  padding: 32px 30px;
  display: flex;
  flex-direction: column;
  transition: border-color 0.25s ease, transform 0.25s ease;
}
.lib-card:hover { border-color: var(--color-gold); transform: translateY(-3px); }

.lib-card-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 6px;
}
.lib-card h3 { margin: 0; font-size: 1.25rem; }
.lib-domain {
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--color-text-dim);
  white-space: nowrap;
}
.lib-desc { color: var(--color-text-muted); font-size: 0.92rem; margin: 8px 0 18px; }

.lib-meta { margin: 0 0 20px; display: flex; flex-direction: column; gap: 10px; }
.lib-meta-row { display: flex; gap: 10px; align-items: baseline; }
.lib-meta-label {
  flex: none;
  width: 76px;
  font-size: 0.66rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-gold-dim);
}
.lib-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.lib-tag {
  font-size: 0.72rem;
  letter-spacing: 0.02em;
  color: var(--color-text-muted);
  border: 1px solid var(--color-line-strong);
  padding: 4px 11px;
  border-radius: 100px;
}

.lib-card-foot {
  margin-top: auto;
  padding-top: 8px;
  display: flex;
  justify-content: flex-end;
}
.lib-visit {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  color: var(--color-gold);
  border-bottom: 1px solid var(--color-gold-dim);
  padding-bottom: 2px;
}
.lib-visit:hover { color: var(--color-gold-bright); border-color: var(--color-gold-bright); }

.lib-group { margin-top: 70px; }
.lib-group:first-child { margin-top: 0; }
.lib-group-head { margin-bottom: 30px; }
.lib-group-head .eyebrow { margin-bottom: 10px; }
.lib-group-head h3 {
  font-size: 1.5rem;
  margin: 0;
}

.lib-note {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.64rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-dim);
  border: 1px solid var(--color-line-strong);
  padding: 3px 10px;
  margin: -8px 0 16px;
}

/* ---------- Forms ---------- */

.form-box {
  background: var(--color-bg-3);
  border: 1px solid var(--color-line);
  padding: 44px;
}
.form-box h3 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  margin-bottom: 24px;
}
.form-row { margin-bottom: 18px; }
.form-row label {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 8px;
  font-weight: 500;
}
.form-row input,
.form-row select,
.form-row textarea {
  width: 100%;
  padding: 14px 16px;
  background: #06140d;
  border: 1px solid var(--color-line);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  transition: border-color 0.2s ease;
}
.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--color-gold);
}
.form-note {
  font-size: 0.82rem;
  color: var(--color-text-dim);
  margin-top: 14px;
  font-style: italic;
  font-family: var(--font-sans);
}
.form-success {
  display: none;
  background: rgba(0, 146, 70, 0.15);
  border: 1px solid var(--color-flag-green);
  color: #7fd4a0;
  padding: 14px 18px;
  margin-bottom: 20px;
  font-size: 0.9rem;
}

/* ---------- Contact / info ---------- */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
}
.contact-info-item {
  display: flex;
  gap: 18px;
  margin-bottom: 30px;
  padding-bottom: 30px;
  border-bottom: 1px solid var(--color-line);
}
.contact-info-item:last-of-type { border-bottom: none; }
.contact-info-item h4 {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  margin: 0 0 6px;
  color: var(--color-gold);
}
.contact-info-item p {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 0.95rem;
}
.map-box {
  border: 1px solid var(--color-line);
  height: 320px;
  overflow: hidden;
}
.map-box iframe {
  width: 100%; height: 100%; border: 0;
  filter: grayscale(0.5) invert(0.85) hue-rotate(150deg);
}

/* Steps */

.steps {
  counter-reset: step;
  display: grid;
  gap: 24px;
}
.step {
  display: flex;
  gap: 26px;
  background: var(--color-bg-3);
  border: 1px solid var(--color-line);
  padding: 30px 32px;
  align-items: flex-start;
}
.step-num {
  flex-shrink: 0;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: 2px solid var(--color-gold);
  color: var(--color-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 700;
}
.step h3 { font-family: var(--font-serif); font-size: 1.25rem; margin: 0 0 8px; }
.step p { margin: 0; color: var(--color-text-muted); font-size: 0.95rem; }

/* Gallery */

.gallery {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.gallery-item {
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, #123726, #06140d);
  border: 1px solid var(--color-line);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 0 18px;
  text-align: center;
  color: var(--color-gold);
  font-size: 2.5rem;
  transition: border-color 0.25s ease;
  position: relative;
}
.gallery-icon { font-size: 2.4rem; line-height: 1; }
.gallery-label {
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text);
}
.gallery-item::after {
  content: "";
  position: absolute;
  inset: 15px;
  border: 1px solid rgba(212,180,95,0.2);
  pointer-events: none;
}
.gallery-item:hover { border-color: var(--color-gold); }

/* Зурагтай хувилбар — дугуйлангийн хуудастай ижил гэрэл зураг */
.gallery-photo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}
.gallery-item:has(.gallery-photo) {
  justify-content: flex-end;
  padding: 0 18px 20px;
  overflow: hidden;
}
.gallery-item:has(.gallery-photo)::after { display: none; }
.gallery-item:has(.gallery-photo)::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(3,12,8,0.92) 0%, rgba(3,12,8,0.55) 42%, rgba(3,12,8,0.12) 100%);
  pointer-events: none;
}
.gallery-item:has(.gallery-photo) .gallery-label {
  position: relative;
  z-index: 1;
}
.gallery-item:hover .gallery-photo { transform: scale(1.05); }

/* ---------- Дугуйлан ---------- */

.club-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 44px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--color-line);
}
.club-filter {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  background: transparent;
  border: 1px solid var(--color-line-strong);
  padding: 10px 18px;
  cursor: pointer;
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}
.club-filter span {
  color: var(--color-gold-dim);
  margin-left: 6px;
  font-size: 0.72rem;
}
.club-filter:hover { color: var(--color-text); border-color: var(--color-gold-dim); }
.club-filter.is-active {
  color: var(--color-bg);
  background: var(--color-gold);
  border-color: var(--color-gold);
}
.club-filter.is-active span { color: rgba(10,30,20,0.65); }

.club-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.club-card {
  border: 1px solid var(--color-line);
  background: var(--color-bg-3);
  display: flex;
  flex-direction: column;
  cursor: pointer;
  transition: border-color 0.25s ease, transform 0.25s ease;
}
.club-card:hover,
.club-card:focus-visible {
  border-color: var(--color-gold);
  transform: translateY(-4px);
  outline: none;
}
.club-card.is-hidden { display: none; }

.club-art {
  position: relative;
  aspect-ratio: 16/11;
  background: linear-gradient(140deg, #16412d, #06140d);
  border-bottom: 1px solid var(--color-line);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

/* Жинхэнэ зураг байвал SVG-ийн оронд харагдана */
.club-photo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.club-card:hover .club-photo { transform: scale(1.05); }
/* Тод зургийг сайтын бараан өнгөнд зөөлрүүлэх нимгэн давхарга */
.club-art::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(10,30,20,0.12) 0%, rgba(10,30,20,0.55) 100%);
  opacity: 0;
  transition: opacity 0.25s ease;
}
.club-art:has(.club-photo)::after { opacity: 1; }
.club-svg {
  width: 74%;
  height: auto;
  color: var(--color-gold);
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: color 0.25s ease, transform 0.4s ease;
}
.club-card:hover .club-svg {
  color: var(--color-gold-bright);
  transform: scale(1.04);
}
.club-svg-text {
  font-family: var(--font-serif);
  font-size: 20px;
  fill: currentColor;
  stroke: none;
  text-anchor: middle;
}

.club-body {
  padding: 22px 22px 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.club-cat {
  font-size: 0.68rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-gold-dim);
  margin-bottom: 10px;
}
.club-card h3 {
  font-size: 1.18rem;
  margin: 0 0 6px;
}
.club-teacher {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 0.88rem;
}
.club-badge {
  align-self: flex-start;
  margin-top: 10px;
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-gold);
  border: 1px solid var(--color-gold-dim);
  padding: 3px 10px;
}
.club-more {
  margin-top: auto;
  padding-top: 18px;
  font-size: 0.76rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-gold);
}

.club-foot-note {
  margin-top: 44px;
  padding-top: 24px;
  border-top: 1px solid var(--color-line);
  color: var(--color-text-dim);
  font-size: 0.88rem;
}
.club-foot-note a { color: var(--color-gold); border-bottom: 1px solid var(--color-gold-dim); }

/* Дэлгэрэнгүй цонх */

.club-modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 30px 20px;
}
.club-modal[hidden] { display: none; }
.club-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(3, 12, 8, 0.82);
}
.club-modal-panel {
  position: relative;
  width: min(720px, 100%);
  max-height: 88vh;
  overflow-y: auto;
  background: var(--color-bg-2);
  border: 1px solid var(--color-line-strong);
  box-shadow: var(--shadow);
}
.club-modal-close {
  position: absolute;
  top: 12px;
  right: 14px;
  width: 38px;
  height: 38px;
  font-size: 1.6rem;
  line-height: 1;
  color: var(--color-text-muted);
  background: rgba(6, 20, 13, 0.6);
  border: 1px solid var(--color-line-strong);
  cursor: pointer;
  transition: color 0.2s ease, border-color 0.2s ease;
}
.club-modal-close:hover { color: var(--color-gold); border-color: var(--color-gold); }

.club-modal-art {
  background: linear-gradient(140deg, #16412d, #06140d);
  border-bottom: 1px solid var(--color-line);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 26px 0;
}
.club-modal-art .club-svg { width: 200px; transform: none; }
.club-modal-art.has-photo { padding: 0; display: block; }
.club-modal-art .club-photo {
  position: static;
  width: 100%;
  height: 240px;
  object-fit: cover;
  transform: none;
}

.club-modal-body { padding: 30px 34px 36px; }
.club-modal-body h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin: 0 0 18px;
}

.club-modal-meta {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 10px 20px;
  margin: 0 0 26px;
  padding: 18px 0;
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
  font-size: 0.9rem;
}
.club-modal-meta dt {
  color: var(--color-text-dim);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding-top: 3px;
}
.club-modal-meta dd { margin: 0; color: var(--color-text); }
.club-modal-meta dd.is-paid { color: var(--color-gold); }

.club-modal-content .club-lede {
  color: var(--color-text-muted);
  margin: 0 0 24px;
}
.club-modal-content h4 {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-gold-dim);
  margin: 0 0 14px;
}
.club-modal-content ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 11px;
}
.club-modal-content li {
  position: relative;
  padding-left: 22px;
  color: var(--color-text-muted);
  font-size: 0.94rem;
}
.club-modal-content li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--color-gold-dim);
}

body.club-modal-open { overflow: hidden; }

/* Багш, ажилтны дэлгэрэнгүй цонх */

.person-card { cursor: pointer; }

.person-modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 30px 20px;
}
.person-modal[hidden] { display: none; }
.person-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(3, 12, 8, 0.82);
}
.person-modal-panel {
  position: relative;
  width: min(480px, 100%);
  max-height: 88vh;
  overflow-y: auto;
  background: var(--color-bg-2);
  border: 1px solid var(--color-line-strong);
  box-shadow: var(--shadow);
  padding: 44px 34px 36px;
  text-align: center;
}
.person-modal-close {
  position: absolute;
  top: 12px;
  right: 14px;
  width: 38px;
  height: 38px;
  font-size: 1.6rem;
  line-height: 1;
  color: var(--color-text-muted);
  background: rgba(6, 20, 13, 0.6);
  border: 1px solid var(--color-line-strong);
  cursor: pointer;
  transition: color 0.2s ease, border-color 0.2s ease;
}
.person-modal-close:hover { color: var(--color-gold); border-color: var(--color-gold); }

.person-modal-photo {
  width: 320px;
  max-width: 100%;
  aspect-ratio: 1 / 1;
  margin: 0 auto 24px;
  background: radial-gradient(circle at 30% 30%, #1a4a30, #0a1e14);
  border: 2px solid var(--color-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  color: var(--color-gold);
  font-family: var(--font-serif);
  font-size: 3.6rem;
  font-weight: 700;
}
.person-modal-photo img { width: 100%; height: 100%; object-fit: cover; display: block; }

.person-modal-panel h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.3rem, 3vw, 1.6rem);
  margin: 0 0 6px;
}
.person-modal-role {
  color: var(--color-gold);
  font-size: 0.74rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}
.person-modal-subject {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  margin-top: 10px;
  font-style: italic;
  font-family: var(--font-sans);
}

body.person-modal-open { overflow: hidden; }

/* Notice */

.notice-box {
  background: rgba(212, 180, 95, 0.08);
  border-left: 3px solid var(--color-gold);
  padding: 20px 24px;
  color: var(--color-text-muted);
  font-size: 0.93rem;
  margin: 20px 0;
}

/* ---------- Social icons ---------- */

.socials {
  display: flex;
  gap: 12px;
}
.social-icon {
  width: 42px;
  height: 42px;
  border: 1px solid var(--color-line-strong);
  color: var(--color-gold);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: all 0.2s ease;
}
.social-icon:hover {
  background: var(--color-gold);
  color: var(--color-bg);
  border-color: var(--color-gold);
  transform: translateY(-2px);
}
.social-icon svg { width: 18px; height: 18px; fill: currentColor; }

/* ---------- Footer ---------- */

.site-footer {
  background: #06140d;
  border-top: 1px solid var(--color-line);
  padding: 80px 0 30px;
  margin-top: 40px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 50px;
  padding-bottom: 50px;
  border-bottom: 1px solid var(--color-line);
}
.footer-grid h4 {
  font-family: var(--font-sans);
  color: var(--color-gold);
  font-size: 0.78rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  margin: 0 0 20px;
}
.footer-grid ul { list-style: none; margin: 0; padding: 0; }
.footer-grid li { margin-bottom: 10px; font-size: 0.9rem; color: var(--color-text-muted); }
.footer-grid a:hover { color: var(--color-gold); }
.footer-brand {
  display: flex;
  gap: 14px;
  align-items: center;
  margin-bottom: 20px;
}
.footer-brand .brand-seal { width: 60px; height: 60px; }
.footer-about p { color: var(--color-text-muted); font-size: 0.92rem; }
.footer-bottom {
  padding-top: 25px;
  font-size: 0.78rem;
  color: var(--color-text-dim);
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  letter-spacing: 0.05em;
}

/* ---------- Subject / Хичээл pages ---------- */

.subject-intro-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 10px;
}
.subject-mini-card {
  background: var(--color-bg-3);
  border: 1px solid var(--color-line);
  padding: 20px 22px;
}
.subject-mini-card .level-tag {
  color: var(--color-gold);
  font-size: 0.68rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
}
.subject-mini-card p { color: var(--color-text-muted); font-size: 0.88rem; margin: 8px 0 0; }

.subject-tabs {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--color-line);
  margin: 46px 0 40px;
}
.subject-tab-btn {
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--color-text-muted);
  font-family: var(--font-serif);
  font-size: 1.15rem;
  padding: 10px 4px 16px;
  margin-right: 26px;
  cursor: pointer;
  transition: color 0.2s ease;
}
.subject-tab-btn .grade-tag {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-dim);
  margin-top: 4px;
}
.subject-tab-btn:hover { color: var(--color-text); }
.subject-tab-btn.is-active { color: var(--color-gold); border-bottom-color: var(--color-gold); }
.subject-tab-btn.is-active .grade-tag { color: var(--color-gold-dim); }

.subject-panel { display: none; }
.subject-panel.is-active { display: block; animation: subjectFade 0.3s ease; }
@keyframes subjectFade { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: translateY(0); } }

.lesson-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 24px;
}

.lesson-block {
  background: var(--color-bg-3);
  border: 1px solid var(--color-line);
  padding: 28px 26px;
}
.lesson-block h4 {
  font-family: var(--font-serif);
  color: var(--color-gold);
  font-size: 1.05rem;
  margin: 0 0 18px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.lesson-block h4::before {
  content: "";
  width: 18px;
  height: 1px;
  background: var(--color-gold-dim);
  display: inline-block;
}

.def-list { margin: 0; padding: 0; }
.def-list dt {
  font-family: var(--font-serif);
  color: var(--color-text);
  font-size: 0.95rem;
  margin-top: 16px;
}
.def-list dt:first-child { margin-top: 0; }
.def-list dd {
  margin: 4px 0 0;
  color: var(--color-text-muted);
  font-size: 0.88rem;
  line-height: 1.6;
}

.formula-list { list-style: none; margin: 0; padding: 0; }
.formula-list li {
  padding: 10px 0;
  border-bottom: 1px solid var(--color-line);
  font-size: 0.88rem;
  color: var(--color-text-muted);
}
.formula-list li:last-child { border-bottom: none; }
.formula-list .formula {
  display: block;
  font-family: var(--font-serif);
  font-style: normal; /* кирилл налуу үсэг хэлбэрээ өөрчилдөг — [[.italic-accent]]-тай ижил шалтгаан */
  font-size: 1.05rem;
  color: var(--color-gold-bright);
  margin-bottom: 4px;
  letter-spacing: 0.02em;
}

.diagram-block {
  background: var(--color-bg-3);
  border: 1px solid var(--color-line);
  padding: 30px 26px;
  margin-bottom: 24px;
}
.diagram-block h4 {
  font-family: var(--font-serif);
  color: var(--color-gold);
  font-size: 1.05rem;
  margin: 0 0 20px;
}
.diagram-block svg { display: block; width: 100%; height: auto; }
.diagram-caption {
  text-align: center;
  color: var(--color-text-dim);
  font-size: 0.82rem;
  margin: 16px 0 0;
  letter-spacing: 0.02em;
}
.diagram-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 24px;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--color-line);
  justify-content: center;
}
.diagram-legend span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  color: var(--color-text-muted);
}
.diagram-legend i {
  width: 12px;
  height: 12px;
  border-radius: 3px;
  display: inline-block;
}

/* Periodic table */
.periodic-wrap { overflow-x: auto; padding-bottom: 8px; }
.periodic-table {
  display: grid;
  grid-template-columns: repeat(18, minmax(46px, 1fr));
  gap: 3px;
  min-width: 900px;
}
.pt-el {
  position: relative;
  aspect-ratio: 1 / 1;
  border: 1px solid var(--color-line-strong);
  background: var(--color-bg-2);
  padding: 4px 5px;
  font-size: 0.62rem;
  color: var(--color-text-muted);
  cursor: default;
  transition: transform 0.15s ease, border-color 0.15s ease;
}
.pt-el:hover { transform: scale(1.12); border-color: var(--color-gold); z-index: 5; }
.pt-el .z { display: block; font-size: 0.6rem; color: var(--color-text-dim); }
.pt-el .sym { display: block; font-family: var(--font-serif); font-size: 1.05rem; color: var(--color-text); line-height: 1.1; }
.pt-el .nm { display: block; font-size: 0.52rem; color: var(--color-text-dim); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.pt-el.cat-alkali { background: rgba(209,123,107,0.16); }
.pt-el.cat-alkaline { background: rgba(212,180,95,0.14); }
.pt-el.cat-transition { background: rgba(42,95,69,0.5); }
.pt-el.cat-post { background: rgba(169,181,174,0.12); }
.pt-el.cat-metalloid { background: rgba(0,146,70,0.16); }
.pt-el.cat-nonmetal { background: rgba(233,201,111,0.1); }
.pt-el.cat-halogen { background: rgba(206,43,55,0.14); }
.pt-el.cat-noble { background: rgba(212,180,95,0.22); }
.pt-el.cat-lanthanide { background: rgba(169,181,174,0.2); }
.pt-el.cat-actinide { background: rgba(169,181,174,0.28); }
.pt-el.pt-placeholder { display: flex; align-items: center; justify-content: center; font-family: var(--font-sans); font-style: italic; color: var(--color-text-dim); }

/* ---------- Hero-гийн арын зураг (слайдшоу) ---------- */

/* Арын зураг цонхонд бэхлэгдэнэ: доош гүйлгэхэд бүх хуудасны ард тогтмол үлдэнэ.
   z-index:-1 тул дараагийн хэсгүүд дээр нь хагас тунгалаг давхарга болж харагдана.
   Гар утасны хаягийн мөр нуугдах/гарахад зураг үсрэхгүйн тулд lvh ашиглав. */
.hero-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  height: 100lvh;
  z-index: -1;
  overflow: hidden;
  background: var(--color-bg);
  pointer-events: none;
}

/* Арын зурагтай үед (бүх хуудсанд) хэсгүүдийг хагас тунгалаг болгож
   зургийг бүдэг харагдуулна — бичвэр уншигдахуйц хэвээр. */
body.has-fixed-bg .page-header      { background: linear-gradient(180deg, rgba(14, 42, 28, 0.70) 0%, rgba(10, 30, 20, 0.82) 100%); }
body.has-fixed-bg .section          { background: rgba(10, 30, 20, 0.84); }
body.has-fixed-bg .section-alt      { background: rgba(14, 42, 28, 0.86); }
body.has-fixed-bg .section-dark     { background: rgba(6, 20, 13, 0.88); }
body.has-fixed-bg .site-footer      { background: rgba(6, 20, 13, 0.95); }
.hero-bg-slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 1.4s ease;
  transform: scale(1.06);
  animation: heroDrift 24s ease-in-out infinite alternate;
}
.hero-bg-slide.is-on { opacity: 1; }

@keyframes heroDrift {
  from { transform: scale(1.06) translate3d(0, 0, 0); }
  to   { transform: scale(1.14) translate3d(-1.5%, -1%, 0); }
}

/* Зураг харагдахуйц, гэхдээ бичвэр уншигдахуйц хөшиг */
.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 120% 95% at 55% 45%, transparent 45%, rgba(4,12,8,0.78) 100%),
    linear-gradient(100deg,
      rgba(10,30,20,0.92) 0%,
      rgba(10,30,20,0.74) 34%,
      rgba(10,30,20,0.36) 66%,
      rgba(10,30,20,0.52) 100%),
    linear-gradient(to bottom,
      rgba(10,30,20,0.52) 0%,
      rgba(10,30,20,0.05) 30%,
      rgba(10,30,20,0.70) 100%);
}

/* --- Арын зурагтай үеийн бүтэн дэлгэцийн hero --- */

.hero.has-bg {
  grid-template-columns: 1fr;
  align-items: center;
  min-height: 88vh;
}
/* Тамга нь зургийг халхалдаг тул бүтэн зурагтай үед нуугдана */
.hero.has-bg .hero-right { display: none; }

.hero.has-bg .hero-left {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 130px 80px 150px;
}
.hero.has-bg .hero-left h1 {
  font-size: clamp(2.5rem, 5.6vw, 4.8rem);
  max-width: 18ch;
  text-shadow: 0 2px 30px rgba(0,0,0,0.45);
}
.hero.has-bg .hero-left p.lead {
  max-width: 54ch;
  color: var(--color-text);
  opacity: 0.88;
  text-shadow: 0 1px 20px rgba(0,0,0,0.5);
}

/* --- Слайдын заагч --- */

.hero-dots {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 46px;
  z-index: 3;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 80px;
  display: flex;
  gap: 12px;
  align-items: center;
}
.hero-dot {
  width: 40px;
  height: 3px;
  padding: 14px 0;
  background: none;
  border: none;
  cursor: pointer;
  position: relative;
}
.hero-dot::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 3px;
  margin-top: -1.5px;
  background: rgba(236,235,228,0.32);
  transition: background 0.25s ease;
}
.hero-dot:hover::before { background: rgba(236,235,228,0.6); }
.hero-dot.is-on::before { background: var(--color-gold); }

@media (prefers-reduced-motion: reduce) {
  .hero-bg-slide { animation: none; transform: none; transition: opacity 0.3s ease; }
}

@media (max-width: 900px) {
  /* Гар утсанд бичвэр зургийн дээр бүтнээрээ буудаг тул хөшгийг жигд болгоно */
  .hero-bg::after {
    background: linear-gradient(to bottom,
      rgba(10,30,20,0.78) 0%,
      rgba(10,30,20,0.70) 45%,
      rgba(10,30,20,0.90) 100%);
  }
  .hero.has-bg { min-height: 78vh; }
  .hero.has-bg .hero-left { padding: 90px 24px 110px; }
  .hero.has-bg .hero-left h1 { max-width: none; }
  .hero-dots { padding: 0 24px; bottom: 30px; }
  .hero-dot { width: 30px; }
}

/* ---------- Баруун захын унждаг цэс ---------- */

.nav-dropdown-panel-right { left: auto; right: 0; }
/* ---------- MBTI тест ---------- */

.mbti-intro-box {
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
}
.mbti-facts {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  margin: 30px 0 34px;
}
.mbti-fact {
  border: 1px solid var(--color-line);
  background: var(--color-bg-3);
  padding: 14px 22px;
  min-width: 150px;
}
.mbti-fact b {
  display: block;
  font-family: var(--font-serif);
  font-size: 1.6rem;
  color: var(--color-gold);
  line-height: 1.1;
}
.mbti-fact span {
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

#mbti-app { max-width: 860px; margin: 0 auto; }

.mbti-head { margin-bottom: 26px; }
.mbti-step {
  font-size: 0.72rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 12px;
}
.mbti-progress {
  height: 3px;
  background: var(--color-line);
  overflow: hidden;
}
.mbti-progress-bar {
  height: 100%;
  background: var(--color-gold);
  transition: width 0.3s ease;
}

.mbti-card {
  background: var(--color-bg-3);
  border: 1px solid var(--color-line);
  padding: 44px 36px;
}
.mbti-question {
  font-size: clamp(1.25rem, 2.6vw, 1.75rem);
  line-height: 1.35;
  margin: 0 0 34px;
  text-align: center;
}

.mbti-scale { display: grid; gap: 10px; }
.mbti-opt {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  padding: 14px 18px;
  background: none;
  border: 1px solid var(--color-line);
  color: var(--color-text-muted);
  font-size: 0.95rem;
  text-align: left;
  cursor: pointer;
  transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
}
.mbti-opt:hover { border-color: var(--color-gold); color: var(--color-text); }
.mbti-opt.is-picked {
  border-color: var(--color-gold);
  background: rgba(212,180,95,0.1);
  color: var(--color-text);
}
.mbti-opt-dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 1px solid var(--color-gold-dim);
  flex-shrink: 0;
}
.mbti-opt.is-picked .mbti-opt-dot {
  background: var(--color-gold);
  border-color: var(--color-gold);
  box-shadow: inset 0 0 0 3px var(--color-bg-3);
}

.mbti-nav {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  margin-top: 26px;
  flex-wrap: wrap;
}
.mbti-nav-center { justify-content: center; }
.mbti-nav .btn:disabled { opacity: 0.35; cursor: not-allowed; }

/* --- Үр дүн --- */

.mbti-result-head { text-align: center; margin-bottom: 44px; }
.mbti-type {
  font-family: var(--font-serif);
  font-size: clamp(3rem, 9vw, 5.4rem);
  letter-spacing: 0.1em;
  color: var(--color-gold);
  line-height: 1;
  margin: 14px 0 6px;
}
.mbti-type-name { margin: 0 0 6px; }
.mbti-type-tag { color: var(--color-text-muted); margin: 0; font-style: italic; }

.mbti-bars {
  display: grid;
  gap: 26px;
  background: var(--color-bg-3);
  border: 1px solid var(--color-line);
  padding: 34px 30px;
  margin-bottom: 40px;
}
.mbti-bar-axis {
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-dim);
  margin-bottom: 6px;
}
.mbti-bar-lead {
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}
.mbti-bar-pct {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--color-gold);
}
.mbti-bar-pole { font-size: 1.05rem; color: var(--color-text); }
.mbti-bar-pole-mn { font-size: 0.85rem; color: var(--color-text-muted); }

.mbti-bar-track {
  position: relative;
  height: 6px;
  background: var(--color-line);
  margin-bottom: 8px;
}
.mbti-bar-mid {
  position: absolute;
  left: 50%;
  top: -3px;
  bottom: -3px;
  width: 1px;
  background: var(--color-line-strong);
}
.mbti-bar-fill {
  position: absolute;
  top: 0;
  bottom: 0;
  background: var(--color-gold);
}
.mbti-bar-knob {
  position: absolute;
  top: 50%;
  width: 14px;
  height: 14px;
  margin-left: -7px;
  border-radius: 50%;
  background: var(--color-gold-bright);
  border: 2px solid var(--color-bg-3);
  transform: translateY(-50%);
}
.mbti-bar-ends {
  display: flex;
  justify-content: space-between;
  font-size: 0.78rem;
  color: var(--color-text-dim);
}
.mbti-bar-end.is-on { color: var(--color-gold); }

.mbti-desc {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  max-width: 62ch;
  margin: 0 auto 40px;
  text-align: center;
}
.mbti-cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.mbti-col {
  background: var(--color-bg-3);
  border: 1px solid var(--color-line);
  padding: 26px 24px;
}
.mbti-col h3 {
  font-size: 1.05rem;
  color: var(--color-gold);
  margin: 0 0 14px;
}
.mbti-list { margin: 0; padding-left: 18px; }
.mbti-list li {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin-bottom: 8px;
}
.mbti-note {
  margin-top: 40px;
  font-size: 0.8rem;
  color: var(--color-text-dim);
  text-align: center;
  max-width: 66ch;
  margin-left: auto;
  margin-right: auto;
}

@media (max-width: 860px) {
  .mbti-cols { grid-template-columns: 1fr; }
  .mbti-card { padding: 30px 20px; }
  .mbti-bars { padding: 24px 18px; }
  .mbti-nav .btn { flex: 1 1 auto; text-align: center; }
}
/* ---------- Responsive ---------- */

@media (min-width: 1025px) and (max-width: 1380px) {
  .navbar { padding: 16px 24px; }
  .nav-links a,
  .nav-dropdown-trigger { padding: 10px 8px; letter-spacing: 0.1em; }
  .header-cta { padding: 12px 16px; letter-spacing: 0.16em; margin-left: 12px; }
  .lang-switch { margin-left: 10px; }
  .brand { gap: 10px; }
  .brand-seal { width: 48px; height: 48px; }
}

@media (max-width: 1024px) {
  .nav-toggle { display: block; order: 1; margin-left: 12px; }
  .header-cta { margin-left: auto; }
  .nav-links {
    display: none;
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: #0a1e14;
    flex-direction: column;
    align-items: stretch;
    padding: 20px;
    border-bottom: 1px solid var(--color-line);
    gap: 0;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 0; border-bottom: 1px solid var(--color-line); }
  .nav-links a.active::after { left: 0; right: auto; width: 40px; }
  .nav-item-dropdown { border-bottom: 1px solid var(--color-line); }
  .nav-dropdown-trigger { padding: 12px 0; width: 100%; justify-content: space-between; }
  .nav-dropdown-panel {
    position: static;
    width: auto;
    max-width: none;
    transform: none;
    margin: 0 0 14px;
    padding: 6px 0 12px;
    background: none;
    border: none;
    box-shadow: none;
    display: none;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }
  .nav-item-dropdown.is-open .nav-dropdown-panel { display: block; }
  .subject-intro-grid { grid-template-columns: 1fr; }
  .lesson-grid { grid-template-columns: 1fr; }
  .hero { grid-template-columns: 1fr; min-height: auto; }
  .hero-left { padding: 60px 40px; }
  .hero-right { min-height: 500px; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .leadership-grid > .person-card:nth-child(5):last-child {
    grid-column: auto;
    justify-self: stretch;
    width: auto;
    max-width: none;
  }
  .gallery { grid-template-columns: repeat(3, 1fr); }
  .club-grid { grid-template-columns: repeat(3, 1fr); }
  .stats-row { grid-template-columns: repeat(2, 1fr); }
  .stat-item:nth-child(2) { border-right: none; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 720px) {
  .container { padding: 0 20px; }
  .navbar { padding: 14px 20px; }
  .header-cta { display: none; }
  .lang-switch { margin-left: auto; margin-right: 0; }
  .nav-toggle { order: 1; margin-left: 10px; }
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr; }
  .lib-grid { grid-template-columns: 1fr; }
  .article-feature { grid-template-columns: 1fr; }
  .article-feature .article-thumb {
    min-height: 0;
    height: 230px;
    border-right: none;
    border-bottom: 1px solid var(--color-line);
  }
  .article-feature .article-body { padding: 26px 22px 30px; }
  .article-feature .article-body h3 { font-size: 1.32rem; }
  .gallery { grid-template-columns: repeat(2, 1fr); }
  .club-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .club-body { padding: 18px 16px 20px; }
  .club-card h3 { font-size: 1.02rem; }
  .club-modal { padding: 0; }
  .club-modal-panel { max-height: 100vh; height: 100%; width: 100%; }
  .club-modal-body { padding: 24px 22px 32px; }
  .club-modal-meta { grid-template-columns: 1fr; gap: 4px 0; }
  .club-modal-meta dd { margin-bottom: 10px; }
  .stats-row { grid-template-columns: 1fr; }
  .stat-item { border-right: none; border-bottom: 1px solid var(--color-line); }
  .stat-item:last-child { border-bottom: none; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .contact-grid { grid-template-columns: 1fr; }
  .hero-left { padding: 40px 20px; }
  .hero-seal { width: 260px; height: 260px; }
  .hero-seal .seal-mark { width: 150px; height: 150px; }
  .section { padding: 60px 0; }
  .page-header { padding: 60px 0 40px; }
  .form-box { padding: 30px 24px; }
  .step { flex-direction: column; padding: 24px; }
  .subject-tabs { gap: 0; }
  .subject-tab-btn { margin-right: 18px; font-size: 1rem; }
  .lesson-block, .diagram-block { padding: 22px 18px; }
}