:root {
  --bq-dark: #071716;
  --bq-dark-soft: #102321;
  --bq-mint: #66f2c2;
  --bq-mint-dark: #0d7f63;
  --bq-gold: #d6a84f;
  --bq-gold-soft: #fff7e8;
  --bq-page: #f5faf8;
  --bq-surface: #ffffff;
  --bq-surface-2: #edf7f3;
  --bq-text: #10201f;
  --bq-muted: #60716e;
  --bq-border: #dce9e5;
  --bq-danger: #9b342e;
  --shadow-sm: 0 8px 28px rgba(7, 23, 22, .07);
  --shadow-lg: 0 24px 70px rgba(7, 23, 22, .13);
  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 30px;
  --container: 1460px;
  --content: 850px;
  color-scheme: light;
}

:root[data-theme="dark"] {
  --bq-page: #061311;
  --bq-surface: #0d201d;
  --bq-surface-2: #122b27;
  --bq-text: #e8fff7;
  --bq-muted: #abc0ba;
  --bq-border: #25423c;
  --bq-gold-soft: #2f281b;
  --shadow-sm: 0 8px 28px rgba(0, 0, 0, .22);
  --shadow-lg: 0 24px 70px rgba(0, 0, 0, .32);
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { min-width: 0; scroll-behavior: smooth; overflow-x: clip; }
body {
  margin: 0;
  min-width: 0;
  overflow-x: clip;
  background: var(--bq-page);
  color: var(--bq-text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}
body[dir="rtl"] { font-family: Tahoma, Arial, sans-serif; }
a { color: inherit; text-decoration: none; }
img, svg { max-width: 100%; display: block; }
button, input, select { font: inherit; }
button, select { cursor: pointer; }
:focus-visible { outline: 3px solid var(--bq-gold); outline-offset: 3px; }
::selection { background: var(--bq-mint); color: var(--bq-dark); }
.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: fixed;
  inset-inline-start: 16px;
  top: 10px;
  z-index: 1000;
  transform: translateY(-180%);
  padding: 10px 14px;
  border-radius: 10px;
  background: var(--bq-gold);
  color: var(--bq-dark);
  font-weight: 800;
}
.skip-link:focus { transform: translateY(0); }

.container { width: min(calc(100% - 40px), var(--container)); margin-inline: auto; }
.narrow { width: min(calc(100% - 40px), 850px); margin-inline: auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(220, 233, 229, .82);
  background: color-mix(in srgb, var(--bq-page) 88%, transparent);
  backdrop-filter: blur(16px);
}
.nav {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.logo {
  display: inline-flex;
  align-items: baseline;
  font-size: clamp(1.35rem, 3vw, 1.72rem);
  line-height: 1;
  font-weight: 950;
  letter-spacing: -.055em;
  white-space: nowrap;
}
.logo span { color: var(--bq-mint-dark); }
:root[data-theme="dark"] .logo span { color: var(--bq-mint); }
.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-links a, .icon-button, .language-select {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 12px;
  background: transparent;
  color: var(--bq-muted);
  font-weight: 760;
}
.nav-links a { padding: 0 13px; }
.nav-links a:hover, .nav-links a[aria-current="page"], .icon-button:hover { background: var(--bq-surface-2); color: var(--bq-text); }
.nav-actions { display: flex; align-items: center; gap: 8px; }
.language-control { position: relative; }
.language-compact { display: none; }
.language-select {
  max-width: 128px;
  padding: 0 30px 0 11px;
  border: 1px solid var(--bq-border);
  background: var(--bq-surface);
  color: var(--bq-text);
}
body[dir="rtl"] .language-select { padding: 0 11px 0 30px; }
.icon-button { width: 44px; border: 1px solid var(--bq-border); background: var(--bq-surface); color: var(--bq-text); }
.mobile-toggle { display: none; }

.hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--bq-border);
  background:
    radial-gradient(circle at 82% 16%, rgba(102, 242, 194, .2), transparent 25rem),
    radial-gradient(circle at 14% 85%, rgba(214, 168, 79, .13), transparent 24rem),
    linear-gradient(160deg, var(--bq-dark) 0%, #0c2a26 100%);
  color: #f4fffb;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  opacity: .2;
  pointer-events: none;
  background-image: linear-gradient(rgba(255,255,255,.06) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(to bottom, black, transparent 82%);
}
.hero-inner {
  position: relative;
  z-index: 1;
  min-height: 550px;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(350px, .92fr);
  align-items: center;
  gap: clamp(40px, 7vw, 100px);
  padding-block: 86px 76px;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 16px;
  color: var(--bq-gold);
  font-size: .76rem;
  font-weight: 900;
  letter-spacing: .16em;
  text-transform: uppercase;
}
.eyebrow::before { content: ""; width: 28px; height: 2px; background: currentColor; }
h1, h2, h3 { margin-top: 0; line-height: 1.12; letter-spacing: -.035em; }
h1 { max-width: 800px; margin-bottom: 20px; font-size: clamp(2.65rem, 7vw, 5.65rem); font-weight: 950; }
.hero-copy > p { max-width: 720px; margin: 0; color: #c6dbd5; font-size: clamp(1.03rem, 2vw, 1.23rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 0 18px;
  border: 1px solid transparent;
  border-radius: 13px;
  font-weight: 860;
  transition: transform .2s ease, border-color .2s ease, background .2s ease;
}
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--bq-mint); color: var(--bq-dark); box-shadow: 0 12px 30px rgba(102, 242, 194, .18); }
.button-secondary { border-color: rgba(255,255,255,.22); background: rgba(255,255,255,.08); color: #fff; }
.button-outline { border-color: var(--bq-border); background: var(--bq-surface); color: var(--bq-text); }
.button-gold { background: var(--bq-gold); color: var(--bq-dark); }

.search-panel {
  border: 1px solid rgba(255, 255, 255, .13);
  border-radius: var(--radius-lg);
  padding: clamp(22px, 4vw, 34px);
  background: rgba(255,255,255,.075);
  box-shadow: 0 30px 90px rgba(0,0,0,.2);
  backdrop-filter: blur(18px);
}
.search-panel-title { margin: 0 0 14px; font-size: 1rem; color: #fff; font-weight: 850; }
.search-box { position: relative; }
.search-box svg { position: absolute; inset-inline-start: 17px; top: 50%; transform: translateY(-50%); color: #55716b; pointer-events: none; }
.search-input {
  width: 100%;
  min-height: 60px;
  padding: 0 18px 0 50px;
  border: 1px solid transparent;
  border-radius: 16px;
  background: #fff;
  color: #10201f;
  box-shadow: 0 14px 38px rgba(0,0,0,.18);
}
body[dir="rtl"] .search-input { padding: 0 50px 0 18px; }
.search-input::placeholder { color: #70807d; }
.search-hint { margin: 11px 2px 0; color: #a9c0ba; font-size: .86rem; }
.search-results {
  display: grid;
  gap: 9px;
  margin-top: 14px;
}
.search-result {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 12px;
  border-radius: 14px;
  background: rgba(255,255,255,.11);
  color: #fff;
}
.search-result:hover { background: rgba(255,255,255,.17); }
.search-result-icon { width: 42px; aspect-ratio: 1; display: grid; place-items: center; border-radius: 12px; background: rgba(102,242,194,.15); color: var(--bq-mint); }
.search-result strong { display: block; line-height: 1.2; }
.search-result small { display: block; margin-top: 3px; color: #b8cec8; }
.search-empty { padding: 14px; border-radius: 13px; background: rgba(255,255,255,.08); color: #d3e3de; }

.stats-strip { position: relative; z-index: 3; margin-top: -29px; }
.stats-card {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--bq-border);
  border-radius: 18px;
  background: var(--bq-surface);
  box-shadow: var(--shadow-lg);
}
.stat { padding: 18px 24px; text-align: center; }
.stat + .stat { border-inline-start: 1px solid var(--bq-border); }
.stat strong { display: block; color: var(--bq-mint-dark); font-size: 1.25rem; line-height: 1.2; }
:root[data-theme="dark"] .stat strong { color: var(--bq-mint); }
.stat span { color: var(--bq-muted); font-size: .83rem; font-weight: 700; }

.section { padding-block: 82px; }
.section-tight { padding-block: 54px; }
.section-head { display: flex; justify-content: space-between; align-items: end; gap: 26px; margin-bottom: 30px; }
.section-head h2 { margin-bottom: 8px; font-size: clamp(1.85rem, 4vw, 3rem); font-weight: 920; }
.section-head p { max-width: 720px; margin: 0; color: var(--bq-muted); }
.text-link { color: var(--bq-mint-dark); font-weight: 850; white-space: nowrap; }
:root[data-theme="dark"] .text-link { color: var(--bq-mint); }

.content-grid {
  display: grid;
  grid-template-columns: minmax(175px, 230px) minmax(0, 1fr) minmax(175px, 230px);
  align-items: start;
  gap: 28px;
}
.rail { display: grid; gap: 18px; position: sticky; top: 100px; }
.rail-card, .card {
  border: 1px solid var(--bq-border);
  border-radius: var(--radius-md);
  background: var(--bq-surface);
  box-shadow: var(--shadow-sm);
}
.rail-card { padding: 19px; }
.rail-card h3 { margin-bottom: 12px; font-size: .92rem; letter-spacing: -.01em; }
.rail-links { display: grid; gap: 5px; }
.rail-links a { padding: 9px 10px; border-radius: 10px; color: var(--bq-muted); font-size: .9rem; font-weight: 700; }
.rail-links a:hover { background: var(--bq-surface-2); color: var(--bq-text); }
.ad-slot[hidden] { display: none !important; }
.main-column { min-width: 0; }

.project-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.project-card { position: relative; overflow: hidden; padding: clamp(22px, 4vw, 30px); }
.project-card::after { content: ""; position: absolute; width: 150px; height: 150px; inset-inline-end: -60px; bottom: -65px; border-radius: 50%; background: var(--bq-surface-2); }
.project-top { position: relative; z-index: 1; display: flex; justify-content: space-between; align-items: start; gap: 20px; }
.project-icon { width: 52px; aspect-ratio: 1; display: grid; place-items: center; border-radius: 15px; background: var(--bq-dark); color: var(--bq-mint); }
.project-badge { display: inline-flex; padding: 6px 10px; border-radius: 999px; background: var(--bq-gold-soft); color: #8a6117; font-size: .72rem; font-weight: 850; }
:root[data-theme="dark"] .project-badge { color: #f0c878; }
.project-card h3 { position: relative; z-index: 1; margin: 24px 0 9px; font-size: 1.45rem; }
.project-card p { position: relative; z-index: 1; margin: 0; color: var(--bq-muted); }
.project-card .button { position: relative; z-index: 1; margin-top: 23px; }

.task-grid, .principle-grid, .guide-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.task-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.task-card, .principle-card, .guide-card { padding: 25px; }
.task-card { display: flex; align-items: center; gap: 18px; }
.task-icon { flex: 0 0 auto; width: 48px; aspect-ratio: 1; display: grid; place-items: center; border-radius: 14px; background: var(--bq-surface-2); color: var(--bq-mint-dark); }
:root[data-theme="dark"] .task-icon { color: var(--bq-mint); }
.task-card h3, .principle-card h3, .guide-card h3 { margin-bottom: 7px; font-size: 1.08rem; }
.task-card p, .principle-card p, .guide-card p { margin: 0; color: var(--bq-muted); font-size: .94rem; }
.principle-card::before { content: ""; display: block; width: 36px; height: 4px; margin-bottom: 20px; border-radius: 999px; background: var(--bq-gold); }

.page-hero { padding-block: 76px 58px; border-bottom: 1px solid var(--bq-border); background: linear-gradient(145deg, var(--bq-dark), #0d302a); color: white; }
.page-hero h1 { max-width: 950px; font-size: clamp(2.35rem, 6vw, 4.8rem); }
.page-hero p { max-width: 760px; margin: 0; color: #c2d8d2; font-size: 1.08rem; }
.prose { font-size: 1.03rem; }
.prose h2 { margin-top: 2.4rem; margin-bottom: .75rem; font-size: 1.65rem; }
.prose p { color: var(--bq-muted); }
.prose .notice { margin-block: 25px; padding: 18px 20px; border-inline-start: 4px solid var(--bq-gold); border-radius: 0 14px 14px 0; background: var(--bq-gold-soft); color: var(--bq-text); }
body[dir="rtl"] .prose .notice { border-radius: 14px 0 0 14px; }
.legal-section { padding: 24px; margin-bottom: 16px; }
.legal-section h2 { margin: 0 0 9px; font-size: 1.25rem; }
.legal-section p { margin: 0; color: var(--bq-muted); }
.updated { color: var(--bq-muted); font-size: .92rem; }
.contact-card { padding: 28px; }
.contact-card p { color: var(--bq-muted); }

.site-footer { margin-top: 40px; padding-block: 58px 28px; background: var(--bq-dark); color: #d8ebe5; }
.footer-grid { display: grid; grid-template-columns: 1.5fr repeat(3, 1fr); gap: 38px; }
.footer-brand .logo span { color: var(--bq-mint); }
.footer-brand p { max-width: 420px; color: #9fb8b1; }
.footer-column h2 { margin-bottom: 13px; color: #fff; font-size: .84rem; letter-spacing: .08em; text-transform: uppercase; }
.footer-column a { display: block; width: fit-content; padding: 5px 0; color: #aec3bd; }
.footer-column a:hover { color: var(--bq-mint); }
.footer-bottom { display: flex; justify-content: space-between; gap: 22px; margin-top: 42px; padding-top: 22px; border-top: 1px solid #25413b; color: #86a29b; font-size: .84rem; }

.not-found { min-height: 62vh; display: grid; place-items: center; text-align: center; padding: 50px 20px; }
.not-found h1 { margin-bottom: 10px; font-size: clamp(4rem, 18vw, 9rem); color: var(--bq-mint-dark); }
.not-found p { color: var(--bq-muted); }

@media (max-width: 1120px) {
  .content-grid { grid-template-columns: minmax(0, 1fr); }
  .rail { display: none; }
  .hero-inner { grid-template-columns: minmax(0, 1fr); min-height: auto; }
  .hero-copy { max-width: 900px; }
  .search-panel { max-width: 760px; }
  .footer-grid { grid-template-columns: 1.3fr 1fr 1fr; }
  .footer-grid .footer-column:last-child { grid-column: 2 / -1; }
}

@media (max-width: 850px) {
  .container, .narrow { width: min(calc(100% - 28px), var(--container)); }
  .mobile-toggle { display: inline-flex; }
  .nav-links {
    position: fixed;
    inset: 76px 14px auto;
    display: none;
    padding: 12px;
    border: 1px solid var(--bq-border);
    border-radius: 18px;
    background: var(--bq-surface);
    box-shadow: var(--shadow-lg);
  }
  .nav-links[data-open="true"] { display: grid; }
  .nav-links a { justify-content: flex-start; }
  .language-select { max-width: 108px; }
  .hero-inner { padding-block: 65px 70px; }
  .stats-card { grid-template-columns: 1fr; }
  .stat + .stat { border-inline-start: 0; border-top: 1px solid var(--bq-border); }
  .project-grid, .task-grid, .principle-grid, .guide-grid { grid-template-columns: 1fr; }
  .section { padding-block: 62px; }
  .section-head { display: block; }
  .section-head .text-link { display: inline-block; margin-top: 13px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-grid .footer-column:last-child { grid-column: auto; }
}

@media (max-width: 560px) {
  .container, .narrow { width: min(calc(100% - 22px), var(--container)); }
  .nav { min-height: 68px; gap: 10px; }
  .site-header .nav-links { inset-block-start: 68px; }
  .language-control { width: 48px; min-height: 44px; display: grid; place-items: center; border: 1px solid var(--bq-border); border-radius: 12px; background: var(--bq-surface); }
  .language-compact { display: block; color: var(--bq-text); font-size: .72rem; font-weight: 900; letter-spacing: .04em; }
  .language-select { position: absolute; inset: 0; width: 100%; max-width: none; min-height: 44px; padding: 0; opacity: 0; }
  .hero-inner { gap: 32px; padding-block: 52px 60px; }
  h1 { font-size: clamp(2.45rem, 14vw, 4.1rem); }
  .hero-actions { display: grid; }
  .button { width: 100%; }
  .search-panel { padding: 18px; border-radius: 22px; }
  .search-result { grid-template-columns: 38px minmax(0, 1fr); }
  .search-result > svg:last-child { display: none; }
  .section { padding-block: 50px; }
  .project-card, .task-card, .principle-card, .guide-card { padding: 20px; }
  .task-card { align-items: flex-start; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-brand, .footer-grid .footer-column:last-child { grid-column: auto; }
  .footer-bottom { display: block; }
  .footer-bottom span { display: block; margin-top: 8px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}

@media print {
  .site-header, .site-footer, .rail, .hero-actions, .search-panel, .stats-strip { display: none !important; }
  body { background: white; color: black; }
  .page-hero { background: white; color: black; padding-block: 20px; }
  .page-hero p, .prose p, .legal-section p { color: #333; }
  .card, .legal-section { box-shadow: none; break-inside: avoid; }
}