/* ===== Karelia Zoloto — Due-Diligence Report · Screen-optimized stylesheet ===== */

:root {
  --bg: #f6f4ee;
  --paper: #ffffff;
  --ink: #1a1f1c;
  --ink-soft: #4a5450;
  --muted: #7a857f;
  --rule: #e3decf;
  --rule-soft: #efeadc;
  --primary: #0b3d2e;       /* deep forest green */
  --primary-2: #14543f;
  --primary-soft: #e8f0eb;
  --accent: #b8941f;        /* mineral gold */
  --accent-2: #d4af37;
  --accent-soft: #faf3df;
  --flag: #b8410f;
  --flag-soft: #fbeee5;
  --shadow: 0 1px 2px rgba(11,61,46,.04), 0 8px 24px rgba(11,61,46,.06);

  --maxw: 820px;
  --side-w: 280px;
  --top-h: 56px;

  --font: "Inter", "Segoe UI", "Helvetica Neue", "Liberation Sans", Arial, sans-serif;
  --serif: "Source Serif Pro", "Georgia", "Liberation Serif", serif;
  --mono: "JetBrains Mono", "Consolas", "Liberation Mono", "Courier New", monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* ---------- Top bar ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(11, 61, 46, 0.98);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid rgba(184, 148, 31, .35);
  height: var(--top-h);
  color: #f6f4ee;
}
.topbar-inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.topbar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
  letter-spacing: 0.2px;
}
.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--primary);
  font-weight: 800;
  font-size: 12px;
  letter-spacing: 0.5px;
}
.brand-text { font-size: 14px; }
.topbar-actions { display: flex; gap: 8px; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  color: #f6f4ee;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.15);
  cursor: pointer;
  transition: all .15s;
}
.btn:hover { background: rgba(255,255,255,.16); }
.btn-primary {
  background: var(--accent);
  color: var(--primary);
  border-color: var(--accent-2);
}
.btn-primary:hover { background: var(--accent-2); }

/* ---------- Sidebar TOC ---------- */
.sidebar {
  position: fixed;
  top: var(--top-h);
  left: 0;
  width: var(--side-w);
  height: calc(100vh - var(--top-h));
  overflow-y: auto;
  background: var(--paper);
  border-right: 1px solid var(--rule);
  padding: 24px 0;
  z-index: 50;
}
.sidebar-inner { padding: 0 20px 40px 20px; }
.sidebar-title {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--accent);
  margin-bottom: 12px;
}
.toc {
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: 13px;
  line-height: 1.4;
}
.toc li { margin: 0; padding: 0; }
.toc a {
  display: block;
  color: var(--ink-soft);
  text-decoration: none;
  padding: 5px 8px;
  border-left: 2px solid transparent;
  margin-left: -10px;
  border-radius: 0 4px 4px 0;
  transition: all .15s;
}
.toc a:hover {
  color: var(--primary);
  background: var(--primary-soft);
  border-left-color: var(--accent);
}
.toc a.active {
  color: var(--primary);
  font-weight: 600;
  border-left-color: var(--primary);
  background: var(--primary-soft);
}
.toc-h2 > a {
  font-weight: 600;
  color: var(--ink);
  margin-top: 6px;
}
.toc-h3 > a {
  padding-left: 18px;
  font-size: 12.5px;
}
.toc-h4 > a {
  padding-left: 28px;
  font-size: 12px;
  color: var(--muted);
}

/* ---------- Main column ---------- */
.main {
  margin-left: var(--side-w);
  padding: 0 32px 80px 32px;
}

/* ---------- Cover ---------- */
.cover {
  max-width: 960px;
  margin: 32px auto 48px auto;
  background: linear-gradient(180deg, #fffef8 0%, #f9f6e8 100%);
  border: 1px solid var(--rule);
  border-radius: 12px;
  box-shadow: var(--shadow);
  overflow: hidden;
  position: relative;
}
.cover::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary) 0%, var(--accent) 50%, var(--primary) 100%);
}
.cover-inner { padding: 56px 64px; }
.badge {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2.5px;
  color: var(--accent);
  margin-bottom: 24px;
  padding: 5px 12px;
  border: 1px solid var(--accent);
  border-radius: 100px;
  background: rgba(255,255,255,.5);
}
.cover-title {
  font-family: var(--serif);
  font-size: 56px;
  font-weight: 700;
  letter-spacing: -1.2px;
  color: var(--primary);
  margin: 0 0 14px 0;
  line-height: 1.05;
}
.cover-sub {
  font-size: 18px;
  color: var(--ink-soft);
  margin: 0 0 4px 0;
  font-weight: 500;
}
.cover-sub2 {
  font-size: 14px;
  color: var(--muted);
  margin: 0 0 36px 0;
}
.cover-meta {
  border-top: 1px solid var(--accent);
  border-bottom: 1px solid var(--accent);
  padding: 18px 0;
  margin: 0 0 28px 0;
}
.cm-row {
  display: flex;
  padding: 4px 0;
  font-size: 13.5px;
  align-items: baseline;
}
.cm-l {
  flex: 0 0 38%;
  text-transform: uppercase;
  font-size: 10.5px;
  letter-spacing: 1.2px;
  color: var(--muted);
  font-weight: 600;
}
.cm-v {
  flex: 1;
  color: var(--ink);
  font-weight: 500;
}
.cover-kpis {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin: 0 0 32px 0;
}
.kpi {
  padding: 14px 14px;
  background: #fff;
  border: 1px solid var(--rule);
  border-radius: 8px;
  border-top: 3px solid var(--primary);
}
.kpi-flag { border-top-color: var(--flag); background: var(--flag-soft); }
.kpi-label {
  font-size: 10px;
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--muted);
  margin-bottom: 6px;
  min-height: 24px;
}
.kpi-value {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.1;
  margin-bottom: 4px;
}
.kpi-flag .kpi-value { color: var(--flag); }
.kpi-sub {
  font-size: 11.5px;
  color: var(--ink-soft);
  line-height: 1.3;
}
.cover-foot {
  font-size: 11px;
  color: var(--muted);
  font-style: italic;
  line-height: 1.5;
  padding-top: 18px;
  border-top: 1px solid var(--rule);
}

/* ---------- Article ---------- */
.content {
  max-width: var(--maxw);
  margin: 0 auto;
  background: var(--paper);
  padding: 56px 64px;
  border: 1px solid var(--rule);
  border-radius: 12px;
  box-shadow: var(--shadow);
}

/* Hide the redundant top-level H1/H2 stack from cover */
.content > section.level1 > h1 { display: none; }
.content > section.level1 > section.level2 > h2:first-child,
.content > section.level1 > section.level2 > h2 + section.level3 > h3 {
  /* keep them; CSS targets below remove only the title trio */
}
.content section[id="sec-лицензионный-участок-недр-леппясюрский-рудное-золото"],
.content section[id="sec-птз-011986-бп--ооо-карелдрагмет"] > h2,
.content section[id="sec-суоярвский-муниципальный-район-республика-карелия-рф"] > h3 {
  display: none;
}

/* Typography */
.content h1, .content h2, .content h3, .content h4 {
  font-family: var(--serif);
  font-weight: 700;
  color: var(--primary);
  letter-spacing: -0.3px;
  line-height: 1.25;
  scroll-margin-top: calc(var(--top-h) + 16px);
}
.content h2 {
  font-size: 28px;
  margin: 48px 0 16px 0;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--accent);
}
.content section.level2:first-of-type h2 { margin-top: 0; }
.content h3 {
  font-size: 21px;
  margin: 32px 0 12px 0;
  color: var(--primary-2);
}
.content h4 {
  font-size: 16px;
  margin: 20px 0 8px 0;
  color: var(--ink);
  font-family: var(--font);
  font-weight: 700;
}

.content p {
  margin: 0 0 14px 0;
  color: var(--ink);
}

.content strong { color: var(--primary); font-weight: 700; }
.content em { color: var(--ink-soft); }

.content ul, .content ol {
  margin: 8px 0 18px 0;
  padding-left: 24px;
}
.content li { margin-bottom: 6px; }

.content a {
  color: var(--primary-2);
  text-decoration: underline;
  text-decoration-color: var(--accent);
  text-underline-offset: 2px;
}
.content a:hover { color: var(--accent); }

.content hr {
  border: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--rule) 20%, var(--rule) 80%, transparent);
  margin: 36px 0;
}

/* Code */
.content code {
  font-family: var(--mono);
  font-size: 13px;
  padding: 2px 6px;
  background: var(--accent-soft);
  color: #7a5a0f;
  border-radius: 3px;
}
.content pre {
  font-family: var(--mono);
  font-size: 12.5px;
  line-height: 1.5;
  background: #fdfaf0;
  border: 1px solid var(--rule);
  border-left: 4px solid var(--accent);
  border-radius: 6px;
  padding: 16px 18px;
  margin: 16px 0;
  overflow-x: auto;
  white-space: pre-wrap;
}
.content pre code {
  background: none;
  padding: 0;
  color: var(--ink);
  font-size: 12.5px;
}

/* Blockquote */
.content blockquote {
  margin: 16px 0;
  padding: 14px 20px;
  background: var(--primary-soft);
  border-left: 4px solid var(--primary);
  border-radius: 0 8px 8px 0;
  color: var(--ink);
  font-style: italic;
}
.content blockquote p:last-child { margin-bottom: 0; }

/* Tables */
.content table {
  border-collapse: collapse;
  width: 100%;
  margin: 18px 0 24px 0;
  font-size: 13.5px;
  background: #fff;
  border-radius: 6px;
  overflow: hidden;
  box-shadow: 0 1px 2px rgba(0,0,0,.04);
  display: block;
  overflow-x: auto;
}
.content table thead { background: var(--primary); }
.content table th {
  color: #fff;
  font-weight: 600;
  text-align: left;
  padding: 10px 12px;
  font-size: 12.5px;
  letter-spacing: 0.2px;
  border-bottom: 1px solid var(--primary-2);
}
.content table td {
  padding: 9px 12px;
  border-bottom: 1px solid var(--rule);
  vertical-align: top;
  line-height: 1.45;
}
.content table tr:nth-child(even) td { background: #faf8f0; }
.content table tr:last-child td { border-bottom: none; }
.content table tr:hover td { background: var(--primary-soft); }

/* Red flag highlight */
.flag {
  display: inline-block;
  margin-right: 2px;
  filter: drop-shadow(0 1px 1px rgba(184,65,15,.3));
}

/* Section dividers between major chapters */
.content > section.level1 > section.level2 {
  padding-top: 8px;
}

/* Footer */
.page-foot {
  max-width: var(--maxw);
  margin: 32px auto 0 auto;
  padding: 28px 64px;
  font-size: 13px;
  color: var(--ink-soft);
  line-height: 1.6;
  background: linear-gradient(180deg, transparent, rgba(11,61,46,.03));
  border-top: 1px solid var(--rule);
}
.page-foot > div { margin-bottom: 6px; }
.page-foot .muted { color: var(--muted); font-size: 11.5px; margin-top: 12px; font-style: italic; }
.page-foot a { color: var(--primary); }

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
  .sidebar { transform: translateX(-100%); transition: transform .25s; box-shadow: 0 0 32px rgba(0,0,0,.15); }
  body.toc-open .sidebar { transform: translateX(0); }
  .main { margin-left: 0; }
}
@media (max-width: 720px) {
  :root { --top-h: 52px; }
  .main { padding: 0 12px 60px 12px; }
  .cover-inner { padding: 32px 24px; }
  .cover-title { font-size: 36px; }
  .content { padding: 32px 24px; }
  .content h2 { font-size: 22px; }
  .content h3 { font-size: 18px; }
  .cover-kpis { grid-template-columns: repeat(2, 1fr); }
  .cm-row { flex-direction: column; padding: 6px 0; }
  .cm-l { flex: 1 1 auto; }
  .topbar-brand .brand-text { font-size: 12.5px; }
}

/* ---------- Print ---------- */
@media print {
  .topbar, .sidebar { display: none; }
  body { background: #fff; }
  .main { margin-left: 0; padding: 0; }
  .content, .cover { box-shadow: none; border: none; max-width: 100%; }
  .cover { page-break-after: always; }
  .content h2 { page-break-before: always; }
  .content section.level2:first-of-type h2 { page-break-before: avoid; }
}