/* Ukrainian public project-handbook workspace */
.sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  clip-path: inset(50%) !important;
}

.learning-page {
  --learning-panel: #faf8f3;
  --learning-line: rgba(21, 21, 21, 0.13);
  background: var(--paper);
}

.learning-page .site-header {
  color: var(--white);
  background: rgba(21, 21, 21, 0.94);
}

.learning-page .site-header.is-scrolled {
  color: var(--slate);
  background: rgba(245, 242, 235, 0.96);
}

.learning-hero {
  position: relative;
  overflow: hidden;
  min-height: min(860px, 92svh);
  padding: calc(var(--header-h) + 76px) 0 78px;
  color: var(--white);
  background:
    linear-gradient(108deg, rgba(21, 21, 21, 0.98) 0 43%, rgba(21, 21, 21, 0.82) 64%, rgba(21, 21, 21, 0.4) 100%),
    image-set(url("/assets/img/nature-botanical-1600.webp") 1x, url("/assets/img/nature-botanical-2400.webp") 2x) center / cover;
}

.learning-hero::before {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, transparent 0 24%, rgba(255, 255, 255, 0.08) 24% 24.08%, transparent 24.08% 100%),
    linear-gradient(0deg, rgba(129, 42, 62, 0.32), transparent 52%);
  content: "";
  pointer-events: none;
}

.learning-hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.72fr);
  gap: clamp(52px, 8vw, 132px);
  align-items: center;
}

.learning-hero-copy { max-width: 780px; }

.learning-hero h1 {
  max-width: 850px;
  margin: 22px 0 24px;
  font-family: "e-Ukraine Head", sans-serif;
  font-size: clamp(56px, 7.2vw, 114px);
  font-weight: 400;
  line-height: 0.91;
  letter-spacing: -0.058em;
}

.learning-hero h1 span { display: block; color: var(--sand); }

.learning-hero-lead {
  max-width: 690px;
  margin: 0 0 34px;
  color: rgba(255, 255, 255, 0.78);
  font-size: clamp(17px, 1.55vw, 22px);
  line-height: 1.62;
}

.learning-actions { display: flex; flex-wrap: wrap; gap: 12px; }

.learning-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin-top: 54px;
  background: rgba(255, 255, 255, 0.19);
  border: 1px solid rgba(255, 255, 255, 0.19);
}

.learning-stat {
  min-height: 110px;
  padding: 22px;
  background: rgba(21, 21, 21, 0.4);
  backdrop-filter: blur(10px);
}

.learning-stat strong {
  display: block;
  margin-bottom: 6px;
  color: var(--sand);
  font-family: "e-Ukraine Head", sans-serif;
  font-size: clamp(30px, 3vw, 46px);
  font-weight: 400;
  line-height: 1;
}

.learning-stat span {
  color: rgba(255, 255, 255, 0.68);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.handbook-object {
  position: relative;
  width: min(100%, 420px);
  aspect-ratio: 0.72;
  justify-self: end;
  perspective: 1200px;
}

.handbook-object::before {
  position: absolute;
  z-index: 0;
  inset: 12% -8% -5% 16%;
  border: 1px solid rgba(211, 183, 129, 0.5);
  content: "";
  transform: rotate(5deg);
}

.handbook-cover {
  position: absolute;
  z-index: 1;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
  padding: clamp(28px, 4vw, 52px);
  color: var(--white);
  background:
    linear-gradient(180deg, rgba(21, 21, 21, 0.28), rgba(21, 21, 21, 0.88)),
    url("/assets/img/hero-quarry-1024.webp") center / cover;
  border: 1px solid rgba(255, 255, 255, 0.34);
  box-shadow: -28px 38px 80px rgba(0, 0, 0, 0.46);
  transform: rotateY(-8deg) rotateZ(2deg);
  transform-origin: left center;
}

.handbook-cover::before {
  position: absolute;
  inset: 0 auto 0 0;
  width: 18px;
  background: var(--ore);
  box-shadow: 7px 0 0 rgba(211, 183, 129, 0.9);
  content: "";
}

.cover-kicker,
.cover-edition {
  position: relative;
  z-index: 1;
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.cover-title {
  position: relative;
  z-index: 1;
  max-width: 280px;
  font-family: "e-Ukraine Head", sans-serif;
  font-size: clamp(34px, 4vw, 54px);
  font-weight: 400;
  line-height: 0.98;
  letter-spacing: -0.04em;
}

.cover-edition { color: var(--sand); }

.learning-intro { padding: clamp(76px, 9vw, 132px) 0 46px; }

.learning-intro-grid {
  display: grid;
  grid-template-columns: minmax(250px, 0.54fr) minmax(0, 1.46fr);
  gap: clamp(44px, 9vw, 150px);
}

.learning-intro h2 {
  margin: 0;
  font-family: "e-Ukraine Head", sans-serif;
  font-size: clamp(38px, 5vw, 72px);
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.045em;
}

.learning-intro-copy {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
}

.learning-intro-copy p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 17px;
  line-height: 1.7;
}

.learning-intro-copy strong { color: var(--slate); font-weight: 500; }
.handbook-workspace { padding: 46px 0 clamp(88px, 10vw, 150px); }

.workspace-shell {
  display: grid;
  grid-template-columns: minmax(280px, 0.72fr) minmax(0, 1.78fr);
  gap: 28px;
  align-items: start;
}

.workspace-nav,
.workspace-main {
  border: 1px solid var(--learning-line);
  background: var(--learning-panel);
  box-shadow: 0 24px 70px rgba(21, 21, 21, 0.07);
}

.workspace-nav {
  position: sticky;
  top: calc(var(--header-h) + 22px);
  overflow: hidden;
}

.workspace-nav-head { padding: 24px 24px 20px; color: var(--white); background: var(--oak); }

.workspace-nav-head span,
.workspace-main-kicker {
  display: block;
  margin-bottom: 7px;
  color: var(--sand);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.workspace-nav-head h2 {
  margin: 0;
  font-family: "e-Ukraine Head", sans-serif;
  font-size: 25px;
  font-weight: 400;
}

.navigator-tabs { display: grid; grid-template-columns: 1fr 1fr; border-bottom: 1px solid var(--learning-line); }

.navigator-tab {
  min-height: 52px;
  padding: 12px;
  color: var(--ink-soft);
  background: transparent;
  border: 0;
  border-right: 1px solid var(--learning-line);
  cursor: pointer;
  font: inherit;
  font-size: 13px;
}

.navigator-tab:last-child { border-right: 0; }
.navigator-tab.is-active { color: var(--white); background: var(--ore); }

.navigator-list {
  max-height: min(58svh, 650px);
  overflow-y: auto;
  scrollbar-color: var(--ore) transparent;
}

.navigator-link {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 12px;
  width: 100%;
  padding: 15px 20px;
  text-align: left;
  color: var(--slate);
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--learning-line);
  cursor: pointer;
  font: inherit;
}

.navigator-link:hover,
.navigator-link:focus-visible { background: rgba(211, 183, 129, 0.2); }
.navigator-link span:first-child { color: var(--ore); font-family: "e-Ukraine Head", sans-serif; font-size: 12px; }
.navigator-link span:last-child { font-size: 13px; line-height: 1.42; }
.workspace-main { overflow: hidden; }

.search-panel { padding: clamp(28px, 4vw, 54px); color: var(--white); background: var(--slate); }

.search-panel h2 {
  max-width: 780px;
  margin: 0 0 12px;
  font-family: "e-Ukraine Head", sans-serif;
  font-size: clamp(32px, 4vw, 58px);
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.035em;
}

.search-panel > p { max-width: 760px; margin: 0 0 26px; color: rgba(255, 255, 255, 0.66); line-height: 1.6; }
.handbook-search-wrap { position: relative; }

.handbook-search-wrap::before {
  position: absolute;
  top: 50%;
  left: 22px;
  width: 18px;
  height: 18px;
  border: 2px solid var(--ore);
  border-radius: 50%;
  content: "";
  transform: translateY(-58%);
}

.handbook-search-wrap::after {
  position: absolute;
  top: calc(50% + 7px);
  left: 37px;
  width: 8px;
  height: 2px;
  background: var(--ore);
  content: "";
  transform: rotate(45deg);
}

.handbook-search {
  width: 100%;
  min-height: 70px;
  padding: 18px 58px;
  color: var(--slate);
  background: var(--paper);
  border: 2px solid transparent;
  border-radius: 0;
  outline: 0;
  font: inherit;
  font-size: 17px;
}

.handbook-search:focus { border-color: var(--sand); box-shadow: 0 0 0 4px rgba(211, 183, 129, 0.2); }

.search-clear {
  position: absolute;
  top: 50%;
  right: 12px;
  display: none;
  width: 42px;
  height: 42px;
  color: var(--slate);
  background: transparent;
  border: 0;
  cursor: pointer;
  font-size: 24px;
  transform: translateY(-50%);
}

.search-clear.is-visible { display: grid; place-items: center; }

.search-privacy {
  display: flex;
  gap: 9px;
  align-items: center;
  margin-top: 12px;
  color: rgba(255, 255, 255, 0.52);
  font-size: 11px;
}

.search-privacy::before { width: 7px; height: 7px; background: #74a283; border-radius: 50%; content: ""; }
.search-shortcuts { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }

.search-chip {
  min-height: 38px;
  padding: 8px 13px;
  color: rgba(255, 255, 255, 0.78);
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.2);
  cursor: pointer;
  font: inherit;
  font-size: 12px;
}

.search-chip:hover,
.search-chip:focus-visible { color: var(--slate); background: var(--sand); border-color: var(--sand); }
.workspace-content { min-height: 560px; padding: clamp(28px, 4vw, 54px); }

.workspace-content-head {
  display: flex;
  gap: 20px;
  align-items: end;
  justify-content: space-between;
  margin-bottom: 28px;
}

.workspace-content-head h3 { margin: 0; font-family: "e-Ukraine Head", sans-serif; font-size: clamp(26px, 3vw, 38px); font-weight: 400; }
.result-count { color: var(--ore); font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; }
.search-results { display: grid; gap: 10px; }

.result-card {
  display: grid;
  grid-template-columns: 60px minmax(0, 1fr) 26px;
  gap: 18px;
  width: 100%;
  padding: 20px;
  text-align: left;
  color: var(--slate);
  background: var(--white);
  border: 1px solid var(--learning-line);
  cursor: pointer;
  font: inherit;
  transition: border-color 180ms ease, transform 180ms ease, box-shadow 180ms ease;
}

.result-card:hover,
.result-card:focus-visible { border-color: var(--ore); box-shadow: 0 14px 34px rgba(21, 21, 21, 0.08); transform: translateY(-2px); }
.result-page { color: var(--ore); font-family: "e-Ukraine Head", sans-serif; font-size: 13px; }
.result-card h4 { margin: 0 0 6px; font-family: "e-Ukraine Head", sans-serif; font-size: 17px; font-weight: 400; }

.result-card p {
  display: -webkit-box;
  overflow: hidden;
  margin: 0;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.5;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.result-arrow { color: var(--river); font-size: 20px; }
.empty-results { padding: 40px; text-align: center; color: var(--ink-soft); border: 1px dashed rgba(21, 21, 21, 0.24); }
.reader-panel[hidden] { display: none; }
.reader-panel { animation: reader-in 260ms ease both; }

@keyframes reader-in { from { opacity: 0; transform: translateY(8px); } }

.reader-toolbar {
  display: flex;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--learning-line);
}

.reader-back { padding: 0; color: var(--ore); background: transparent; border: 0; cursor: pointer; font: inherit; font-size: 13px; }
.reader-page-label { color: var(--ink-soft); font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; }

.reader-panel h3 {
  max-width: 820px;
  margin: 0 0 12px;
  font-family: "e-Ukraine Head", sans-serif;
  font-size: clamp(34px, 4.5vw, 62px);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -0.04em;
}

.reader-section { margin-bottom: 30px; color: var(--ore); font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; }

.reader-text {
  max-width: 850px;
  color: #343332;
  font-size: clamp(16px, 1.5vw, 18px);
  line-height: 1.84;
  white-space: pre-line;
}

.reader-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; }

.learning-credit {
  padding: clamp(64px, 8vw, 108px) 0;
  color: var(--white);
  background: var(--ore);
}

.learning-credit-inner {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(36px, 8vw, 130px);
}

.learning-credit h2 { margin: 0; font-family: "e-Ukraine Head", sans-serif; font-size: clamp(34px, 4vw, 58px); font-weight: 400; line-height: 1; }
.learning-credit-copy { max-width: 780px; font-size: 17px; line-height: 1.7; }
.learning-credit-copy p { margin: 0 0 18px; }
.learning-credit-copy p:last-child { margin-bottom: 0; color: rgba(255,255,255,.66); font-size: 13px; }
.mobile-learning-bar { display: none; }

@media (max-width: 1000px) {
  .learning-hero { min-height: auto; }
  .learning-hero-grid { grid-template-columns: minmax(0, 1fr) 300px; gap: 38px; }
  .workspace-shell { grid-template-columns: 250px minmax(0, 1fr); }
}

@media (max-width: 820px) {
  .learning-hero { padding-top: calc(var(--header-h) + 52px); }
  .learning-hero-grid { grid-template-columns: 1fr; }
  .learning-hero-copy { max-width: 680px; }
  .handbook-object { width: min(68vw, 360px); justify-self: center; }
  .learning-intro-grid { grid-template-columns: 1fr; }
  .learning-intro-copy { max-width: 720px; }
  .workspace-shell { grid-template-columns: 1fr; }
  .workspace-nav { position: static; }
  .navigator-list { max-height: 360px; }
  .learning-credit-inner { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .learning-hero { padding: calc(var(--header-h) + 34px) 0 58px; }
  .learning-hero h1 { font-size: clamp(48px, 15vw, 70px); }
  .learning-actions .button { width: 100%; }
  .learning-stats { margin-top: 38px; }
  .learning-stat { min-height: 90px; padding: 16px 12px; }
  .learning-stat strong { font-size: 30px; }
  .learning-stat span { font-size: 9px; }
  .handbook-object { width: min(78vw, 330px); }
  .learning-intro { padding-top: 64px; }
  .learning-intro-copy { grid-template-columns: 1fr; }
  .workspace-nav { margin-inline: -1px; }
  .search-panel, .workspace-content { padding: 26px 20px; }
  .search-panel h2 { font-size: 34px; }
  .handbook-search { min-height: 62px; padding-left: 52px; font-size: 15px; }
  .handbook-search-wrap::before { left: 18px; }
  .handbook-search-wrap::after { left: 33px; }
  .workspace-content { min-height: 480px; }
  .workspace-content-head { display: block; }
  .result-count { display: block; margin-top: 8px; }
  .result-card { grid-template-columns: 46px minmax(0, 1fr) 18px; gap: 10px; padding: 16px 13px; }
  .reader-toolbar { align-items: flex-start; }
  .reader-panel h3 { font-size: 34px; }
  .reader-text { font-size: 15px; line-height: 1.72; }
  .reader-actions .button { width: 100%; }
  .mobile-learning-bar {
    position: fixed;
    z-index: 90;
    inset: auto 0 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    padding: 8px max(8px, env(safe-area-inset-right)) calc(8px + env(safe-area-inset-bottom)) max(8px, env(safe-area-inset-left));
    background: rgba(21, 21, 21, 0.95);
    border-top: 1px solid rgba(255,255,255,.16);
    backdrop-filter: blur(16px);
  }
  .mobile-learning-bar a { display: grid; min-height: 48px; place-items: center; color: var(--white); text-decoration: none; font-size: 12px; }
  .mobile-learning-bar a:first-child { color: var(--slate); background: var(--sand); }
  .learning-page .site-footer { padding-bottom: 72px; }
}

@media (prefers-reduced-motion: reduce) {
  .reader-panel { animation: none; }
  .handbook-cover { transform: none; }
}

@media print {
  .learning-hero, .learning-intro, .workspace-nav, .search-panel, .mobile-learning-bar, .learning-credit { display: none !important; }
  .workspace-shell { display: block; }
  .workspace-main { border: 0; box-shadow: none; }
}