:root {
  --bg: #f3f7ff;
  --surface: rgba(255,255,255,.82);
  --surface-solid: #ffffff;
  --surface-muted: #eef4ff;
  --line: rgba(148, 163, 184, 0.22);
  --line-strong: rgba(148, 163, 184, 0.35);
  --text: #0f172a;
  --text-soft: #475569;
  --text-muted: #64748b;
  --primary: #1d4ed8;
  --primary-strong: #1e3a8a;
  --primary-soft: #dbeafe;
  --accent: #f59e0b;
  --success: #16a34a;
  --danger: #dc2626;
  --shadow-sm: 0 10px 25px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 18px 50px rgba(15, 23, 42, 0.10);
  --shadow-lg: 0 30px 70px rgba(29, 78, 216, 0.15);
  --radius-sm: 14px;
  --radius: 22px;
  --radius-lg: 32px;
  --container: 1240px;
  --transition: 220ms ease;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { margin: 0; padding: 0; max-width: 100%; overflow-x: hidden; }
body {
  font-family: 'Inter', system-ui, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(59,130,246,.12), transparent 26%),
    radial-gradient(circle at top right, rgba(245,158,11,.10), transparent 18%),
    linear-gradient(180deg, #f8fbff 0%, var(--bg) 100%);
  line-height: 1.55;
}
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input, textarea, select { font: inherit; }

.container {
  width: min(var(--container), calc(100% - 28px));
  margin: 0 auto;
}
.site-main {
  min-height: calc(100vh - 320px);
  padding: 28px 0 64px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 14px 0;
  transition: var(--transition);
}
.site-header.is-scrolled { padding: 10px 0; }
.header-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  background: rgba(255,255,255,.74);
  border: 1px solid rgba(255,255,255,.7);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-radius: 999px;
  padding: 10px 14px 10px 18px;
}
.site-header.is-scrolled .header-shell { box-shadow: var(--shadow-md); }

.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}
.brand-mark__badge {
  width: 46px;
  height: 46px;
  border-radius: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary), var(--primary-strong));
  color: #fff;
  font-weight: 800;
  box-shadow: 0 14px 28px rgba(29, 78, 216, .22);
  letter-spacing: .04em;
}
.brand-mark__text {
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.brand-mark__text strong {
  font: 800 1rem/1.1 'Manrope', 'Inter', sans-serif;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.brand-mark__text small {
  font-size: .78rem;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.main-nav {
  display: none;
  align-items: center;
  gap: 8px;
}
.nav-link,
.nav-link--dropdown {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 16px;
  border-radius: 999px;
  color: var(--text-soft);
  font-weight: 600;
  transition: var(--transition);
}
.nav-link:hover,
.nav-link--dropdown:hover,
.nav-link.is-active,
.nav-link--dropdown.is-active {
  background: var(--surface-muted);
  color: var(--primary-strong);
}
.nav-dropdown {
  position: relative;
}
.nav-dropdown__menu {
  position: absolute;
  top: calc(100% + 10px);
  left: 0;
  min-width: 240px;
  background: rgba(255,255,255,.96);
  border: 1px solid var(--line);
  border-radius: 22px;
  box-shadow: var(--shadow-md);
  padding: 10px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: var(--transition);
}
.nav-dropdown:hover .nav-dropdown__menu,
.nav-dropdown:focus-within .nav-dropdown__menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.nav-dropdown__item {
  display: block;
  padding: 11px 14px;
  border-radius: 14px;
  color: var(--text-soft);
}
.nav-dropdown__item:hover,
.nav-dropdown__item.is-active {
  background: var(--surface-muted);
  color: var(--primary-strong);
}
.nav-caret { font-size: .8rem; }

.header-actions { display: flex; align-items: center; gap: 10px; }
.header-cta {
  display: none;
  padding: 12px 18px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), #f97316);
  color: #fff;
  font-weight: 700;
  box-shadow: 0 16px 30px rgba(245, 158, 11, .28);
}
.menu-toggle {
  width: 46px;
  height: 46px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: #fff;
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  padding: 0 12px;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
}
.menu-toggle span {
  display: block;
  height: 2px;
  border-radius: 999px;
  background: var(--text);
}

.mobile-menu-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, .42);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 1090;
}
.mobile-menu-backdrop.is-active { opacity: 1; visibility: visible; }
.mobile-menu {
  position: fixed;
  top: 0;
  right: 0;
  width: min(360px, 100%);
  height: 100dvh;
  background: linear-gradient(180deg, #ffffff 0%, #f6f9ff 100%);
  z-index: 1100;
  box-shadow: -20px 0 60px rgba(15, 23, 42, .18);
  transform: translateX(100%);
  transition: var(--transition);
  padding: 18px;
  overflow-y: auto;
}
.mobile-menu.is-open { transform: translateX(0); }
.mobile-menu__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
}
.mobile-menu__close {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: #fff;
  cursor: pointer;
}
.mobile-nav { display: grid; gap: 10px; }
.mobile-nav__group {
  background: rgba(255,255,255,.8);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 10px;
}
.mobile-nav__link,
.mobile-nav__sublink {
  display: block;
  border-radius: 14px;
  padding: 12px 14px;
}
.mobile-nav__link { font-weight: 700; }
.mobile-nav__sublink { color: var(--text-soft); font-size: .95rem; }
.mobile-nav__link.is-active,
.mobile-nav__sublink.is-active,
.mobile-nav__link:hover,
.mobile-nav__sublink:hover {
  background: var(--surface-muted);
  color: var(--primary-strong);
}
.mobile-nav__sublist {
  display: grid;
  gap: 6px;
  padding-top: 6px;
}

.site-footer {
  margin-top: 24px;
  border-top: 1px solid rgba(148, 163, 184, 0.18);
  background: linear-gradient(180deg, rgba(255,255,255,.55) 0%, rgba(232,240,255,.88) 100%);
}
.footer-grid {
  display: grid;
  gap: 26px;
  padding: 34px 0;
}
.footer-brand,
.footer-col {
  background: rgba(255,255,255,.72);
  border: 1px solid rgba(255,255,255,.7);
  border-radius: 26px;
  padding: 24px;
  box-shadow: var(--shadow-sm);
}
.footer-text { margin: 16px 0 0; color: var(--text-soft); max-width: 640px; }
.footer-title { font: 800 1rem/1.2 'Manrope', sans-serif; margin-bottom: 14px; }
.footer-col { display: grid; align-content: start; gap: 10px; }
.footer-col a { color: var(--text-soft); }
.footer-col a:hover { color: var(--primary-strong); }
.footer-bottom {
  border-top: 1px solid rgba(148, 163, 184, 0.18);
  color: var(--text-muted);
  font-size: .92rem;
}
.footer-bottom__inner {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  padding: 18px 0 24px;
}

.page-header {
  display: grid;
  gap: 10px;
  margin-bottom: 24px;
  padding: 26px;
  border-radius: 28px;
  background: linear-gradient(135deg, rgba(255,255,255,.90), rgba(219,234,254,.76));
  border: 1px solid rgba(255,255,255,.85);
  box-shadow: var(--shadow-sm);
}
.page-title {
  margin: 0;
  font: 800 clamp(1.8rem, 4vw, 3rem)/1.08 'Manrope', sans-serif;
}
.page-subtitle { margin: 0; color: var(--text-soft); max-width: 760px; }
.inline-notice {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.88);
}
.empty-state {
  padding: 34px 20px;
  text-align: center;
  background: rgba(255,255,255,.76);
  border-radius: 24px;
  border: 1px solid var(--line);
}

@media (min-width: 960px) {
  .main-nav { display: flex; }
  .header-cta { display: inline-flex; }
  .menu-toggle { display: none; }
  .footer-grid { grid-template-columns: 1.4fr .8fr .8fr; }
}

@media (max-width: 959px) {
  .brand-mark__text strong { max-width: 180px; }
  .site-main { padding-top: 12px; }
}

@media (max-width: 640px) {
  .header-shell { border-radius: 28px; padding: 10px 12px; }
  .brand-mark__badge { width: 42px; height: 42px; border-radius: 14px; }
  .page-header { padding: 22px 18px; border-radius: 24px; }
  .footer-brand, .footer-col { padding: 20px; border-radius: 22px; }
}


/* ===== Shared UI system ===== */
.section-block,
.glass-card,
.ui-card,
.ui-panel {
  background: rgba(255,255,255,.84);
  border: 1px solid var(--line);
  border-radius: 28px;
  box-shadow: var(--shadow-sm);
}
.ui-card,
.ui-panel { padding: 24px; }
.glass-card {
  background: rgba(255,255,255,.74);
  border-color: rgba(255,255,255,.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}
.ui-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(219,234,254,.8);
  color: var(--primary-strong);
  font-size: .83rem;
  font-weight: 800;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.ui-heading {
  margin: 0;
  font: 800 clamp(1.5rem, 3vw, 2.3rem)/1.08 'Manrope', sans-serif;
}
.ui-copy,
.lead-copy {
  margin: 0;
  color: var(--text-soft);
}
.ui-meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.ui-chip,
.meta-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255,255,255,.82);
  border: 1px solid var(--line);
  color: var(--text-soft);
  font-weight: 700;
  font-size: .93rem;
}
.ui-chip--primary {
  background: linear-gradient(135deg, rgba(29,78,216,.12), rgba(59,130,246,.08));
  color: var(--primary-strong);
}
.ui-grid-2,
.ui-grid-3 {
  display: grid;
  gap: 18px;
}
.ui-actions { display:flex; flex-wrap:wrap; gap:12px; }
.ui-button,
.ui-button-secondary,
.ui-button-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 12px 18px;
  border-radius: 16px;
  border: 1px solid transparent;
  font-weight: 800;
  cursor: pointer;
  transition: var(--transition);
}
.ui-button {
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--primary-strong));
  box-shadow: 0 18px 36px rgba(29,78,216,.20);
}
.ui-button-secondary {
  background: linear-gradient(135deg, var(--accent), #f97316);
  color: #fff;
  box-shadow: 0 18px 36px rgba(245,158,11,.22);
}
.ui-button-ghost {
  background: rgba(255,255,255,.8);
  border-color: var(--line);
  color: var(--text);
}
.ui-button:hover,
.ui-button-secondary:hover,
.ui-button-ghost:hover {
  transform: translateY(-1px);
}
.ui-table-wrap {
  overflow: auto;
  border-radius: 22px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.68);
}
.ui-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 640px;
}
.ui-table th,
.ui-table td {
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid rgba(148,163,184,.16);
}
.ui-table th {
  background: rgba(219,234,254,.55);
  color: var(--primary-strong);
  font-size: .84rem;
  text-transform: uppercase;
  letter-spacing: .04em;
}
.ui-table tbody tr:hover td { background: rgba(248,250,252,.7); }
.ui-form-grid {
  display: grid;
  gap: 16px;
}
.ui-field {
  display: grid;
  gap: 8px;
}
.ui-label {
  color: var(--text-soft);
  font-weight: 700;
  font-size: .95rem;
}
.ui-input,
.ui-select,
.ui-textarea {
  width: 100%;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.92);
  padding: 14px 16px;
  color: var(--text);
  outline: none;
  transition: var(--transition);
}
.ui-input:focus,
.ui-select:focus,
.ui-textarea:focus {
  border-color: rgba(29,78,216,.36);
  box-shadow: 0 0 0 4px rgba(59,130,246,.10);
}
.ui-textarea { min-height: 140px; resize: vertical; }
.content-prose {
  color: var(--text-soft);
  line-height: 1.82;
}
.content-prose > *:first-child { margin-top: 0; }
.content-prose > *:last-child { margin-bottom: 0; }
.content-prose h2,
.content-prose h3,
.content-prose h4 {
  margin: 1.8rem 0 1rem;
  line-height: 1.2;
  color: var(--text);
}
.content-prose p,
.content-prose ul,
.content-prose ol,
.content-prose table,
.content-prose blockquote { margin: 0 0 1.15rem; }
.content-prose table { width:100%; border-collapse: collapse; overflow:hidden; border-radius: 18px; }
.content-prose table th,
.content-prose table td { border:1px solid rgba(148,163,184,.18); padding: 12px 14px; }
.content-prose table th { background: rgba(219,234,254,.5); }
.content-prose blockquote {
  padding: 18px 20px;
  border-left: 4px solid var(--accent);
  background: linear-gradient(135deg, rgba(255,247,237,.95), rgba(255,255,255,.92));
  border-radius: 0 20px 20px 0;
}
.breadcrumbs-modern {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}
.breadcrumbs-modern a,
.breadcrumbs-modern span {
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255,255,255,.72);
  border: 1px solid var(--line);
  color: var(--text-soft);
  font-size: .92rem;
}
.breadcrumbs-modern span[aria-current="page"] {
  color: var(--primary-strong);
  background: rgba(219,234,254,.72);
}
@media (min-width: 760px) {
  .ui-grid-2 { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .ui-grid-3 { grid-template-columns: repeat(3, minmax(0,1fr)); }
}
@media (max-width: 640px) {
  .ui-card,
  .ui-panel { padding: 18px; border-radius: 22px; }
  .ui-button,
  .ui-button-secondary,
  .ui-button-ghost { width: 100%; }
}