:root {
  --green: #5f9b1f;
  --green-dark: #4a7d18;
  --lime: #9bc54a;
  --lime-light: #c5e07f;
  --dark: #1a1a1a;
  --gray: #f5f5f5;
  --gray2: #e0e0e0;
  --gray3: #999;
  --white: #ffffff;
  --red: #c93030;
  --orange: #e67e22;
  --blue: #3498db;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  color: var(--dark);
  background: var(--gray);
  line-height: 1.6;
  font-size: 16px;
}

/* === Хедер === */

.header {
  background: var(--white);
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 16px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-size: 24px;
  font-weight: 700;
  color: var(--dark);
  text-decoration: none;
}
.logo .accent { color: var(--green); }
.logo .ai { color: var(--lime); }

.nav {
  display: flex;
  gap: 28px;
}
.nav a {
  text-decoration: none;
  color: var(--dark);
  font-size: 15px;
  font-weight: 500;
  padding: 8px 0;
  border-bottom: 2px solid transparent;
  transition: border-color 0.15s, color 0.15s;
}
.nav a:hover { color: var(--green); }
.nav a.active {
  color: var(--green);
  border-bottom-color: var(--green);
}

/* === Hero === */

.hero {
  background: linear-gradient(135deg, var(--green), var(--lime));
  color: var(--white);
  padding: 80px 32px 100px;
  text-align: center;
}
.hero-inner {
  max-width: 1100px;
  margin: 0 auto;
}
.hero h1 {
  font-size: 56px;
  font-weight: 700;
  margin-bottom: 20px;
  line-height: 1.1;
}
.hero .subtitle {
  font-size: 22px;
  opacity: 0.95;
  margin-bottom: 30px;
}
.hero .meta {
  font-size: 16px;
  opacity: 0.85;
}

/* === Контейнер контента === */

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 60px 32px;
}

.container.narrow {
  max-width: 960px;
}

h2 {
  font-size: 36px;
  color: var(--green);
  margin-bottom: 25px;
  margin-top: 50px;
}
h2:first-child { margin-top: 0; }

h3 {
  font-size: 24px;
  color: var(--dark);
  margin-bottom: 15px;
  margin-top: 35px;
}

h4 {
  font-size: 18px;
  color: var(--dark);
  margin-bottom: 10px;
  margin-top: 20px;
}

p { margin-bottom: 15px; }

ul, ol {
  padding-left: 24px;
  margin-bottom: 20px;
}
li { margin-bottom: 8px; }

a {
  color: var(--green);
  text-decoration: underline;
  text-decoration-color: var(--lime);
  text-underline-offset: 3px;
}
a:hover { color: var(--green-dark); }

code {
  background: var(--gray);
  padding: 2px 8px;
  border-radius: 4px;
  font-family: "SF Mono", Monaco, Consolas, monospace;
  font-size: 14px;
  color: var(--dark);
}
pre {
  background: var(--dark);
  color: #e0e0e0;
  padding: 20px;
  border-radius: 6px;
  overflow-x: auto;
  margin: 20px 0;
  font-size: 14px;
  line-height: 1.5;
}
pre code {
  background: transparent;
  padding: 0;
  color: inherit;
}

/* === KPI карты === */

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin: 30px 0;
}
.kpi {
  background: var(--white);
  border-left: 6px solid var(--green);
  padding: 24px 28px;
  border-radius: 6px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}
.kpi.lime { border-left-color: var(--lime); }
.kpi.orange { border-left-color: var(--orange); }
.kpi.red { border-left-color: var(--red); }
.kpi .num {
  font-size: 36px;
  font-weight: 700;
  color: var(--green);
  margin-bottom: 6px;
  line-height: 1;
}
.kpi.orange .num { color: var(--orange); }
.kpi.red .num { color: var(--red); }
.kpi .label {
  font-size: 14px;
  color: var(--dark);
  line-height: 1.4;
}

/* === Таблицы === */

.table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
  font-size: 15px;
  background: var(--white);
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
  border-radius: 6px;
  overflow: hidden;
}
.table th, .table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--gray2);
  text-align: left;
  vertical-align: top;
}
.table th {
  background: var(--green);
  color: var(--white);
  font-weight: 600;
  font-size: 14px;
}
.table tr:nth-child(even) { background: #fafafa; }
.table tr:hover { background: #f0f7e8; }

/* === Callout === */

.callout {
  background: #f9fef0;
  border-left: 5px solid var(--green);
  padding: 20px 25px;
  margin: 20px 0;
  border-radius: 4px;
  font-size: 16px;
}
.callout.warn {
  background: #fff8ed;
  border-left-color: var(--orange);
}
.callout.danger {
  background: #fdf0f0;
  border-left-color: var(--red);
}
.callout.info {
  background: #eff7fd;
  border-left-color: var(--blue);
}

/* === Карточки === */

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin: 30px 0;
}
.card {
  background: var(--white);
  border-radius: 8px;
  padding: 28px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.06);
  border-top: 4px solid var(--green);
  transition: transform 0.15s, box-shadow 0.15s;
}
.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(0,0,0,0.1);
}
.card .title {
  font-size: 20px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 8px;
}
.card .subtitle {
  font-size: 13px;
  color: var(--gray3);
  margin-bottom: 15px;
}

/* === Аккордеон (раскрывающиеся секции) === */

.accordion {
  margin: 30px 0;
}
.acc-item {
  background: var(--white);
  border-radius: 6px;
  margin-bottom: 12px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.04);
  overflow: hidden;
}
.acc-header {
  padding: 18px 24px;
  cursor: pointer;
  font-weight: 600;
  font-size: 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--white);
  transition: background 0.15s;
  border-left: 4px solid var(--green);
}
.acc-header:hover { background: #f9fef0; }
.acc-header .chevron {
  font-size: 14px;
  color: var(--green);
  transition: transform 0.2s;
}
.acc-item.open .acc-header .chevron { transform: rotate(180deg); }
.acc-body {
  padding: 0 24px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
}
.acc-item.open .acc-body {
  padding: 20px 24px 28px;
  max-height: 5000px;
}

/* === Timeline === */

.timeline {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-top: 30px;
}
.timeline-item {
  background: var(--white);
  border-top: 6px solid var(--green);
  padding: 24px;
  border-radius: 6px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}
.timeline-item.m1 { border-top-color: var(--green); }
.timeline-item.m2 { border-top-color: var(--lime); }
.timeline-item.m3 { border-top-color: var(--orange); }
.timeline-item .month {
  font-size: 24px;
  font-weight: 700;
  color: var(--green);
  margin-bottom: 10px;
}
.timeline-item.m2 .month { color: var(--lime); }
.timeline-item.m3 .month { color: var(--orange); }

/* === Бэджи === */

.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
}
.badge.ok { background: #e8f5e0; color: var(--green-dark); }
.badge.warn { background: #fff3e0; color: var(--orange); }
.badge.danger { background: #fdedeb; color: var(--red); }
.badge.info { background: #e3f2fd; color: var(--blue); }

/* === Footer === */

.footer {
  background: var(--dark);
  color: #d0d0d0;
  padding: 40px 32px;
  text-align: center;
  font-size: 14px;
  margin-top: 80px;
}
.footer a { color: var(--lime); }

/* === Mermaid === */

.mermaid {
  background: var(--white);
  padding: 20px;
  border-radius: 6px;
  margin: 30px 0;
  text-align: center;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

/* === Адаптив === */

@media (max-width: 768px) {
  .header-inner { padding: 12px 16px; flex-direction: column; gap: 12px; }
  .nav { flex-wrap: wrap; gap: 14px; justify-content: center; }
  .hero { padding: 50px 16px 60px; }
  .hero h1 { font-size: 36px; }
  .hero .subtitle { font-size: 18px; }
  .container { padding: 40px 16px; }
  h2 { font-size: 28px; }
  h3 { font-size: 20px; }
  .table { font-size: 13px; }
  .table th, .table td { padding: 8px 10px; }
}

/* === Печать === */

@media print {
  .header, .footer { display: none; }
  .acc-body { max-height: none !important; padding: 20px 24px 28px !important; }
  .acc-item.open .chevron, .acc-header .chevron { display: none; }
  .hero { padding: 40px 20px; }
}