/* ===== Переменные и база ===== */
:root {
  --color-bg: #f7f9fc;
  --color-surface: #ffffff;
  --color-text: #1a2233;
  --color-text-muted: #5b6478;
  --color-border: #e3e8f0;
  --color-primary: #b91c1c;
  --color-primary-dark: #991b1b;
  --color-accent: #044962;
  --color-code-bg: #0f172a;
  --radius: 10px;
  --shadow: 0 4px 18px rgba(20, 30, 60, 0.06);
  --container-width: 1080px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #0f1420;
    --color-surface: #161d2c;
    --color-text: #e7ebf3;
    --color-text-muted: #9aa4bb;
    --color-border: #262f42;
    --shadow: 0 4px 18px rgba(0, 0, 0, 0.35);
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
}

h1, h2, h3, h4 { line-height: 1.25; }
a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

code, pre { font-family: Consolas, "Courier New", monospace; }
pre {
  background: var(--color-code-bg);
  color: #e2e8f0;
  padding: 16px 18px;
  border-radius: var(--radius);
  overflow-x: auto;
}
:not(pre) > code {
  background: rgba(185, 28, 28, 0.1);
  color: var(--color-primary-dark);
  padding: 2px 6px;
  border-radius: 5px;
  font-size: 0.9em;
}

/* ===== Шапка ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.05rem;
  color: var(--color-text);
}
.logo:hover { text-decoration: none; }
.logo strong { color: var(--color-primary); }

.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}
.main-nav a {
  color: var(--color-text-muted);
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 0.95rem;
  white-space: nowrap;
}
.main-nav a:hover { color: var(--color-text); text-decoration: none; background: var(--color-bg); }
.main-nav a.active { color: var(--color-primary); font-weight: 600; }
.main-nav a.nav-cta {
  background: var(--color-primary);
  color: #fff;
  margin-left: 6px;
}
.main-nav a.nav-cta:hover { background: var(--color-primary-dark); color: #fff; }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
}

@media (max-width: 760px) {
  .nav-toggle { display: flex; }
  .main-nav {
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: 8px 16px 16px;
    gap: 2px;
    display: none;
  }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 12px 10px; border-radius: 6px; }
  .main-nav a.nav-cta { margin-left: 0; text-align: center; }
}

/* ===== Hero (главная) ===== */
.hero {
  padding: 72px 0 56px;
  text-align: center;
  background: radial-gradient(ellipse at top, rgba(185, 28, 28, 0.08), transparent 60%);
}
.hero h1 {
  font-size: clamp(1.9rem, 4vw, 2.8rem);
  margin: 0 0 14px;
}
.hero p.lead {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  max-width: 640px;
  margin: 0 auto 30px;
}
.hero-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ===== Витрина скриншотов (главная) ===== */
.showcase {
  position: relative;
  max-width: 900px;
  margin: 56px auto 0;
  padding: 0 24px 40px;
}
.showcase-main {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 14px;
  box-shadow: 0 24px 55px rgba(20, 30, 60, 0.18);
  overflow: hidden;
}
.browser-chrome {
  display: flex;
  gap: 6px;
  padding: 11px 14px;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}
.browser-chrome span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-border);
}
.browser-chrome span:nth-child(1) { background: #f87171; }
.browser-chrome span:nth-child(2) { background: #fbbf24; }
.browser-chrome span:nth-child(3) { background: #34d399; }
.showcase-main img { display: block; width: 100%; }

.showcase-inset {
  position: absolute;
  right: 24px;
  bottom: 4px;
  width: 30%;
  border-radius: 10px;
  box-shadow: 0 16px 34px rgba(20, 30, 60, 0.25);
  border: 4px solid var(--color-surface);
}

@media (max-width: 640px) {
  .showcase-inset { display: none; }
}

.btn {
  display: inline-block;
  padding: 12px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 1rem;
  border: 1px solid transparent;
  cursor: pointer;
}
.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-dark); color: #fff; text-decoration: none; }
.btn-secondary { background: var(--color-surface); color: var(--color-text); border-color: var(--color-border); }
.btn-secondary:hover { border-color: var(--color-primary); text-decoration: none; }

.badge-free {
  display: inline-block;
  background: rgba(4, 73, 98, 0.1);
  color: var(--color-accent);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: 999px;
  margin-bottom: 18px;
}

/* ===== Секции / карточки ===== */
section { padding: 48px 0; }
section h2 {
  font-size: 1.8rem;
  text-align: center;
  margin-bottom: 10px;
}
section .section-lead {
  text-align: center;
  color: var(--color-text-muted);
  max-width: 620px;
  margin: 0 auto 36px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 22px;
}
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 26px;
  box-shadow: var(--shadow);
}
.card h3 { margin: 0 0 10px; font-size: 1.1rem; }
.card p { margin: 0; color: var(--color-text-muted); font-size: 0.96rem; }
.card .card-icon { font-size: 1.8rem; margin-bottom: 12px; display: block; }

.section-alt { background: var(--color-surface); border-top: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); }

/* ===== Установка ===== */
.steps { counter-reset: step; list-style: none; padding: 0; max-width: 720px; margin: 0 auto; }
.steps li {
  counter-increment: step;
  position: relative;
  padding: 4px 0 28px 52px;
  border-left: 2px solid var(--color-border);
  margin-left: 18px;
}
.steps li:last-child { border-left-color: transparent; padding-bottom: 0; }
.steps li::before {
  content: counter(step);
  position: absolute;
  left: -19px;
  top: 0;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}
.steps h3 { margin: 0 0 6px; }
.steps p { margin: 0; color: var(--color-text-muted); }

.notice {
  max-width: 720px;
  margin: 24px auto;
  background: rgba(185, 28, 28, 0.06);
  border-left: 4px solid var(--color-primary);
  border-radius: 8px;
  padding: 14px 18px;
  font-size: 0.95rem;
}
.notice strong { color: var(--color-primary); }
.notice p { margin: 0; }
.notice p + p { margin-top: 8px; }

table.req-table { width: 100%; border-collapse: collapse; max-width: 720px; margin: 0 auto; }
table.req-table th, table.req-table td {
  text-align: left;
  padding: 12px 16px;
  border-bottom: 1px solid var(--color-border);
}
table.req-table th { color: var(--color-text-muted); font-weight: 600; width: 220px; }

.req-option { font-weight: 600; }
.req-option .req-version { font-weight: 400; color: var(--color-text-muted); }
.req-or {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin: 4px 0;
}

/* ===== Галерея ===== */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}
.gallery-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.gallery-item img { width: 100%; display: block; aspect-ratio: 16 / 10; object-fit: cover; }
.gallery-item figcaption { padding: 12px 16px; color: var(--color-text-muted); font-size: 0.92rem; }

/* ===== Скачивание ===== */
.download-box {
  max-width: 560px;
  margin: 0 auto;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 34px;
  text-align: center;
}
.download-box .version { color: var(--color-text-muted); font-size: 0.9rem; margin-top: 10px; }
.download-meta { display: flex; justify-content: center; gap: 24px; margin-top: 18px; font-size: 0.88rem; color: var(--color-text-muted); }

/* ===== Wiki ===== */
.wiki-index h1, .wiki-article h1 { margin-top: 8px; }
.wiki-breadcrumb { font-size: 0.9rem; color: var(--color-text-muted); margin-bottom: 4px; }
.wiki-list { list-style: none; padding: 0; margin: 30px auto 0; max-width: 720px; display: grid; gap: 14px; }
.wiki-list li {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 16px 20px;
}
.wiki-list li p { margin: 4px 0 0; color: var(--color-text-muted); font-size: 0.92rem; }
.wiki-list-sub {
  list-style: none;
  margin: 14px 0 0;
  padding: 12px 0 0 16px;
  border-top: 1px solid var(--color-border);
  border-left: 2px solid var(--color-border);
  display: grid;
  gap: 10px;
}
.wiki-list-sub li { padding-left: 4px; }
.wiki-list-sub a strong { font-size: 0.95rem; }

/* Двухколоночная раскладка статьи: сайдбар со списком статей + контент */
.wiki-layout {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 48px;
  padding-top: 40px;
  padding-bottom: 60px;
  align-items: start;
}
.wiki-sidebar { position: sticky; top: 84px; }
.wiki-sidebar-title {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
  margin-bottom: 10px;
}
.wiki-sidebar ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 2px; }
.wiki-sidebar a {
  display: block;
  padding: 7px 10px;
  border-radius: 6px;
  color: var(--color-text-muted);
  font-size: 0.92rem;
  line-height: 1.35;
}
.wiki-sidebar a:hover { background: var(--color-bg); color: var(--color-text); text-decoration: none; }
.wiki-sidebar a.active {
  background: rgba(185, 28, 28, 0.08);
  color: var(--color-primary);
  font-weight: 600;
}
.wiki-sidebar-sub {
  margin: 2px 0 2px 14px !important;
  padding-left: 10px !important;
  border-left: 1px solid var(--color-border);
}
.wiki-sidebar-sub a { font-size: 0.86rem; }

.wiki-main { min-width: 0; }
.wiki-article { max-width: 720px; }
.wiki-article h2 {
  text-align: left;
  font-size: 1.4rem;
  margin-top: 44px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-border);
}
.wiki-article h3 {
  margin: 34px 0 12px;
  font-size: 1.12rem;
  color: var(--color-primary);
}
.wiki-article h4 {
  margin: 26px 0 12px;
  padding: 10px 14px;
  background: var(--color-bg);
  border-left: 3px solid var(--color-primary);
  border-radius: 6px;
  font-size: 1rem;
}
.wiki-article h4 code { background: none; padding: 0; color: inherit; }
.wiki-article ul, .wiki-article ol { padding-left: 22px; }

.wiki-pager {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  max-width: 720px;
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
}
.wiki-pager-link {
  display: flex;
  flex-direction: column;
  gap: 4px;
  max-width: 48%;
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  color: var(--color-text);
}
.wiki-pager-link:hover { border-color: var(--color-primary); text-decoration: none; }
.wiki-pager-link span {
  font-size: 0.76rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.wiki-pager-link strong { font-size: 0.92rem; }
.wiki-pager-next { margin-left: auto; text-align: right; align-items: flex-end; }

@media (max-width: 860px) {
  .wiki-layout { grid-template-columns: 1fr; padding-top: 24px; }
  .wiki-sidebar { display: none; }
}

.wiki-article .table-wrap { overflow-x: auto; margin: 20px 0; }
.wiki-article table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
  border: 1px solid var(--color-border);
}
.wiki-article th, .wiki-article td {
  text-align: left;
  padding: 8px 12px;
  border-bottom: 1px solid var(--color-border);
}
.wiki-article th { background: var(--color-bg); color: var(--color-text-muted); font-weight: 600; }
.wiki-article .shot-frame {
  display: block;
  width: fit-content;
  max-width: 100%;
  margin: 24px 0;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow);
  background: var(--color-surface);
}
.wiki-article .shot-frame-bar {
  display: flex;
  gap: 6px;
  padding: 10px 14px;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}
.wiki-article .shot-frame-bar span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-border);
}
.wiki-article .shot-frame-bar span:nth-child(1) { background: #f87171; }
.wiki-article .shot-frame-bar span:nth-child(2) { background: #fbbf24; }
.wiki-article .shot-frame-bar span:nth-child(3) { background: #34d399; }
.wiki-article .shot-frame img { display: block; max-width: 100%; height: auto; }

/* ===== Подвал ===== */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 26px 0;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}
.footer-inner {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px 18px;
  text-align: center;
}
.footer-support { color: var(--color-text-muted); }
.footer-support:hover { color: var(--color-primary); }