/* Armillaria landing — самодостаточный CSS, тёмная тема по умолчанию + светлая. */
:root {
  --bg: #0a0f0c;
  --bg-2: #0e150f;
  --panel: #131b16;
  --panel-2: #1a231d;
  --line: #223047;
  --text: #e6edf6;
  --muted: #8ea0b6;
  --accent: #e8a33d;
  --accent-2: #7ff0bd;
  --accent-ink: #1a1206;
  --danger: #f87171;
  --ok: #34d399;
  --radius: 14px;
  --maxw: 1120px;
  --shadow: 0 20px 50px rgba(0,0,0,.35);
}
:root[data-theme="light"] {
  --bg: #f4f1e8;
  --bg-2: #eae5d8;
  --panel: #ffffff;
  --panel-2: #f7f4ec;
  --line: #dce5f0;
  --text: #0d1826;
  --muted: #566175;
  --accent: #b9761c;
  --accent-2: #3fae83;
  --accent-ink: #ffffff;
  --shadow: 0 16px 40px rgba(20,40,80,.12);
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg: #f5f8fc; --bg-2: #eef3fa; --panel: #fff; --panel-2: #f2f6fc;
    --line: #dce5f0; --text: #0d1826; --muted: #566175; --accent: #b9761c;
    --accent-2: #3fae83; --accent-ink: #fff; --shadow: 0 16px 40px rgba(20,40,80,.12);
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
code, .mono { font-family: "SFMono-Regular", ui-monospace, "JetBrains Mono", Menlo, Consolas, monospace; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { line-height: 1.2; margin: 0 0 .4em; }

/* фон */
.bg-grid {
  position: fixed; inset: 0; z-index: -2;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 44px 44px;
  opacity: .12;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 30%, transparent 75%);
}
.bg-glow {
  position: fixed; top: -20%; left: 50%; transform: translateX(-50%);
  width: 900px; height: 700px; z-index: -1; pointer-events: none;
  background: radial-gradient(closest-side, rgba(232,163,61,.18), transparent 70%),
              radial-gradient(closest-side, rgba(59,130,246,.14), transparent 70%);
  background-position: 30% 30%, 70% 40%;
  background-repeat: no-repeat; filter: blur(10px);
}

/* шапка */
.nav {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; gap: 18px;
  max-width: var(--maxw); margin: 0 auto; padding: 14px 22px;
  backdrop-filter: blur(10px);
}
.nav::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: color-mix(in srgb, var(--bg) 72%, transparent);
  border-bottom: 1px solid var(--line);
}
.brand { display: inline-flex; align-items: center; gap: 9px; font-weight: 800; font-size: 19px; letter-spacing: -.02em; }
.brand b { color: var(--accent); font-weight: 800; }
.brand-mark { color: var(--accent); flex: none; }
.nav-links { display: flex; gap: 22px; margin-left: 8px; }
.nav-links a { color: var(--muted); font-size: 14.5px; font-weight: 500; }
.nav-links a:hover { color: var(--text); }
.nav-actions { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.icon-btn {
  width: 38px; height: 38px; border-radius: 10px; border: 1px solid var(--line);
  background: var(--panel); color: var(--text); cursor: pointer; font-size: 16px;
}
.icon-btn:hover { border-color: var(--accent); }

/* кнопки */
.btn {
  display: inline-flex; align-items: center; gap: 9px; justify-content: center;
  padding: 10px 18px; border-radius: 11px; font-weight: 650; font-size: 14.5px;
  border: 1px solid transparent; cursor: pointer; transition: transform .06s ease, background .15s, border-color .15s;
}
.btn:active { transform: translateY(1px); }
.btn-lg { padding: 14px 26px; font-size: 16px; border-radius: 13px; }
.btn-primary { background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: var(--accent-ink); }
.btn-primary:hover { filter: brightness(1.06); }
.btn-ghost { background: var(--panel); border-color: var(--line); color: var(--text); }
.btn-ghost:hover { border-color: var(--accent); }

/* hero */
.hero { max-width: var(--maxw); margin: 0 auto; padding: 70px 22px 40px; text-align: center; }
.pill {
  display: inline-flex; align-items: center; gap: 9px; padding: 6px 14px; border-radius: 999px;
  background: var(--panel); border: 1px solid var(--line); font-size: 13px; color: var(--muted); margin-bottom: 26px;
}
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--muted); box-shadow: 0 0 0 0 currentColor; }
.dot.ok { background: var(--ok); animation: pulse 2s infinite; }
.dot.bad { background: var(--danger); }
@keyframes pulse { 0%{ box-shadow: 0 0 0 0 rgba(52,211,153,.5);} 70%{ box-shadow: 0 0 0 8px rgba(52,211,153,0);} 100%{ box-shadow: 0 0 0 0 rgba(52,211,153,0);} }
.hero h1 { font-size: clamp(30px, 5.4vw, 56px); font-weight: 820; letter-spacing: -.03em; margin-bottom: 20px; }
.grad { background: linear-gradient(120deg, var(--accent), var(--accent-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { max-width: 720px; margin: 0 auto 30px; color: var(--muted); font-size: clamp(15px, 2.2vw, 19px); }
.lead b { color: var(--text); font-weight: 650; }
.hero-cta { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.hero-stats {
  display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-top: 46px;
}
.hero-stats > div {
  min-width: 140px; padding: 16px 20px; background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); display: flex; flex-direction: column; gap: 3px;
}
.hero-stats b { font-size: 22px; letter-spacing: -.02em; }
.hero-stats span { font-size: 12.5px; color: var(--muted); text-transform: uppercase; letter-spacing: .05em; }

/* секции */
.section { max-width: var(--maxw); margin: 0 auto; padding: 74px 22px; }
.section.alt { background: var(--bg-2); max-width: none; }
.section.alt > * { max-width: var(--maxw); margin-left: auto; margin-right: auto; }
.section-title { font-size: clamp(24px, 3.6vw, 36px); font-weight: 780; letter-spacing: -.02em; text-align: center; }
.section-sub { text-align: center; color: var(--muted); max-width: 720px; margin: 0 auto 42px; font-size: 16px; }
.section-sub b { color: var(--text); }
.section-sub code { background: var(--panel-2); padding: 2px 7px; border-radius: 6px; font-size: 13px; }

/* поток «как это работает» */
.flow { display: flex; align-items: stretch; gap: 10px; justify-content: center; flex-wrap: wrap; }
.flow-step {
  flex: 1 1 210px; max-width: 250px; background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 22px; text-align: left;
}
.flow-step h3 { font-size: 16px; }
.flow-step p { color: var(--muted); font-size: 14px; margin: 0; }
.flow-ic { font-size: 26px; margin-bottom: 10px; }
.flow-arrow { align-self: center; color: var(--accent); font-size: 22px; font-weight: 700; }

/* карточки заработка */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 16px; }
.card {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px;
  transition: transform .12s ease, border-color .15s;
}
.card:hover { transform: translateY(-3px); border-color: color-mix(in srgb, var(--accent) 50%, var(--line)); }
.card-ic { font-size: 24px; margin-bottom: 8px; }
.card h3 { font-size: 16px; }
.card p { color: var(--muted); font-size: 14px; margin: 0; }
.earn-note {
  margin-top: 34px; display: flex; gap: 26px; align-items: center; justify-content: space-between; flex-wrap: wrap;
  background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 12%, var(--panel)), var(--panel));
  border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 28px;
}
.earn-note h3 { font-size: 18px; }
.earn-note p { color: var(--muted); margin: 0; max-width: 640px; font-size: 14.5px; }

/* скачивание */
.rec { margin-bottom: 22px; }
.rec-card {
  display: flex; gap: 20px; align-items: center; flex-wrap: wrap;
  background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 16%, var(--panel)), var(--panel));
  border: 1px solid color-mix(in srgb, var(--accent) 40%, var(--line)); border-radius: var(--radius); padding: 24px 26px;
}
.rec-os { font-size: 34px; }
.rec-card .rec-txt { flex: 1 1 260px; }
.rec-card h3 { font-size: 20px; margin-bottom: 3px; }
.rec-card .muted { font-size: 13.5px; }
.dl-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 14px; }
.dl-card {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px;
  display: flex; flex-direction: column; gap: 10px;
}
.dl-card.is-rec { border-color: color-mix(in srgb, var(--accent) 55%, var(--line)); }
.dl-head { display: flex; align-items: center; gap: 12px; }
.dl-os { font-size: 24px; }
.dl-title { font-weight: 700; font-size: 15.5px; }
.dl-arch { color: var(--muted); font-size: 12.5px; }
.badge { margin-left: auto; font-size: 11px; font-weight: 700; padding: 3px 9px; border-radius: 999px;
  background: color-mix(in srgb, var(--accent) 20%, transparent); color: var(--accent); border: 1px solid color-mix(in srgb, var(--accent) 40%, transparent); }
.badge.soon { background: color-mix(in srgb, var(--muted) 18%, transparent); color: var(--muted); border-color: var(--line); }
.dl-meta { display: flex; align-items: center; gap: 10px; font-size: 12.5px; color: var(--muted); }
.dl-sha { font-family: ui-monospace, monospace; font-size: 11.5px; color: var(--muted); word-break: break-all; }
.dl-actions { display: flex; gap: 8px; margin-top: 2px; }
.dl-actions .btn { flex: 1; padding: 9px 12px; font-size: 13.5px; }
.copy-sha { border: 1px solid var(--line); background: var(--panel-2); color: var(--muted); border-radius: 9px;
  padding: 8px 11px; cursor: pointer; font-size: 12px; white-space: nowrap; }
.copy-sha:hover { border-color: var(--accent); color: var(--text); }
.dl-foot { margin-top: 26px; text-align: center; color: var(--muted); }
.dl-foot p { margin-bottom: 12px; }

/* состояние сети / спрос */
.net-summary { display: flex; gap: 14px; flex-wrap: wrap; justify-content: center; margin-bottom: 26px; }
.net-summary > div {
  min-width: 150px; padding: 16px 22px; background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); text-align: center;
}
.net-summary b { display: block; font-size: 26px; letter-spacing: -.02em; }
.net-summary b.hot { color: var(--danger); }
.net-summary span { font-size: 12.5px; color: var(--muted); text-transform: uppercase; letter-spacing: .05em; }
.net-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 12px; }
.net-card {
  background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 15px 17px;
  display: flex; flex-direction: column; gap: 8px; position: relative; overflow: hidden;
}
.net-card::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px; background: var(--line); }
.net-card.d-critical::before { background: var(--danger); }
.net-card.d-high::before { background: #f59e0b; }
.net-card.d-moderate::before { background: var(--accent-2); }
.net-card.d-satisfied::before { background: var(--ok); }
.net-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.net-region { font-weight: 700; font-size: 14.5px; }
.net-mult { font-weight: 800; font-size: 15px; padding: 2px 9px; border-radius: 999px; white-space: nowrap; }
.net-mult.up { background: color-mix(in srgb, var(--danger) 16%, transparent); color: var(--danger); }
.net-mult.base { background: color-mix(in srgb, var(--ok) 16%, transparent); color: var(--ok); }
.net-meta { display: flex; align-items: center; gap: 10px; font-size: 12.5px; color: var(--muted); }
.net-bar { height: 6px; border-radius: 4px; background: var(--panel-2); overflow: hidden; }
.net-bar > i { display: block; height: 100%; border-radius: 4px; }
.net-badge { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .04em; }
.net-badge.d-critical { color: var(--danger); }
.net-badge.d-high { color: #f59e0b; }
.net-badge.d-moderate { color: var(--accent-2); }
.net-badge.d-satisfied { color: var(--ok); }
.net-foot { text-align: center; margin-top: 20px; }

/* карта мира (NOC-стиль) над сеткой регионов */
.net-map-wrap { margin-bottom: 30px; }
/* контейнер со скроллом: узкий экран → горизонтальный скролл ВНУТРИ, страница не едет */
.net-map-scroll {
  position: relative; overflow-x: auto; overflow-y: hidden;
  border: 1px solid var(--line); border-radius: var(--radius);
  background:
    radial-gradient(120% 80% at 50% 0%, color-mix(in srgb, var(--accent) 7%, transparent), transparent 60%),
    var(--bg-2);
  box-shadow: var(--shadow);
}
.net-map { display: block; width: 100%; height: auto; min-width: 560px;
  --nm-ocean-hi: color-mix(in srgb, var(--accent) 9%, var(--bg-2));
  --nm-ocean-lo: color-mix(in srgb, var(--panel) 42%, var(--bg));
}
/* фон-океан (радиальный градиент для глубины) и суша */
.nm-ocean { fill: url(#nm-ocean-g); }
.nm-land {
  fill: color-mix(in srgb, var(--accent) 12%, var(--line));
  stroke: color-mix(in srgb, var(--accent) 42%, var(--line));
  stroke-width: 0.4; opacity: 0.5; stroke-linejoin: round;
}
:root[data-theme="light"] .nm-land,
:root:not([data-theme="dark"]) .nm-land { opacity: 0.62; }
/* очень тонкая сетка */
.nm-grat { stroke: var(--line); stroke-width: 0.3; opacity: 0.4; }
.nm-equator { stroke: color-mix(in srgb, var(--accent) 45%, var(--line)); stroke-width: 0.4; opacity: 0.45; }

/* тонкие дуги-связи регион→хаб (origin): струящийся пунктир */
.nm-links { fill: none; }
.nm-link {
  fill: none; stroke: url(#nm-link-g); stroke-width: 0.7;
  stroke-linecap: round; opacity: 0.5;
  stroke-dasharray: 3 7; animation: nm-flow 3.2s linear infinite;
}
.nm-link.hot { stroke-width: 0.9; opacity: 0.75; }
@keyframes nm-flow { to { stroke-dashoffset: -20; } }
@media (prefers-reduced-motion: reduce) { .nm-link { animation: none; } }

/* маркеры регионов */
.nm-glow { opacity: 0.5; filter: url(#nm-glow-f); }
.nm-hub-ring { fill: none; stroke: var(--accent); stroke-width: 0.8; opacity: 0.7; }
.nm-marker { stroke: color-mix(in srgb, #fff 82%, transparent); stroke-width: 0.6; cursor: pointer; transition: stroke-width .12s; }
.nm-core { fill: color-mix(in srgb, #fff 88%, transparent); pointer-events: none; }
.nm-marker:hover { stroke-width: 1.4; }
.nm-count { font-size: 7.5px; font-weight: 800; fill: #0b1220; text-anchor: middle; pointer-events: none; letter-spacing: -.02em; }
.nm-pulse { fill: none; stroke-width: 1; }
.nm-label {
  font-size: 9.5px; font-weight: 650; letter-spacing: -.01em;
  fill: color-mix(in srgb, var(--text) 82%, transparent); paint-order: stroke;
  stroke: color-mix(in srgb, var(--bg) 82%, transparent); stroke-width: 2.2px;
}
.nm-region:hover .nm-label { fill: var(--text); }
/* цвета спроса: critical=красный, high=оранжевый, moderate=синий, satisfied=зелёный */
.nm-marker.d-critical, .nm-glow.d-critical { fill: var(--danger); }
.nm-marker.d-high,     .nm-glow.d-high     { fill: #f59e0b; }
.nm-marker.d-moderate, .nm-glow.d-moderate { fill: var(--accent-2); }
.nm-marker.d-satisfied,.nm-glow.d-satisfied{ fill: var(--ok); }
.nm-pulse.d-critical { stroke: var(--danger); }
.nm-pulse.d-high     { stroke: #f59e0b; }

/* тултип наведения/тача */
.net-map-tip {
  position: absolute; z-index: 5; left: 0; top: 0; min-width: 170px; max-width: 250px;
  padding: 10px 12px; border-radius: 11px; pointer-events: none;
  background: color-mix(in srgb, var(--panel) 94%, transparent);
  border: 1px solid var(--line); box-shadow: var(--shadow);
  font-size: 12.5px; color: var(--muted); opacity: 0; visibility: hidden;
  transition: opacity .12s; backdrop-filter: blur(6px);
}
.net-map-tip.show { opacity: 1; visibility: visible; }
.net-map-tip b { display: block; color: var(--text); font-size: 13.5px; margin-bottom: 5px; }
.net-map-tip .tip-row { display: flex; justify-content: space-between; gap: 12px; margin-top: 2px; }
.net-map-tip .tip-row span:last-child { color: var(--text); font-weight: 600; }
.net-map-tip .tip-demand { display: inline-flex; align-items: center; gap: 6px; font-weight: 700; }
.net-map-tip .tip-demand i { width: 8px; height: 8px; border-radius: 50%; flex: none; }

/* легенда */
.net-map-legend { display: flex; flex-wrap: wrap; gap: 8px 18px; justify-content: center; margin-top: 14px; }
.nm-leg { display: inline-flex; align-items: center; gap: 7px; font-size: 12.5px; color: var(--muted); }
.nm-leg-dot { width: 10px; height: 10px; border-radius: 50%; flex: none; }
.nm-leg-dot.d-critical { background: var(--danger); }
.nm-leg-dot.d-high { background: #f59e0b; }
.nm-leg-dot.d-moderate { background: var(--accent-2); }
.nm-leg-dot.d-satisfied { background: var(--ok); }

/* табы установки */
.tabs { display: flex; gap: 8px; flex-wrap: wrap; justify-content: center; margin-bottom: 22px; }
.tabs button {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 9px 16px; border-radius: 999px; border: 1px solid var(--line); background: var(--panel);
  color: var(--muted); font-weight: 600; font-size: 14px; cursor: pointer;
}
.tabs button:hover { color: var(--text); }
.tab-ico { flex: none; opacity: .9; }
.tabs button.active { background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: var(--accent-ink); border-color: transparent; }
.tab-body { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 28px; }
.tab-body h3 { font-size: 18px; margin-top: 0; }
.tab-body h4 { font-size: 15px; margin: 22px 0 8px; }
.tab-body ol { padding-left: 20px; margin: 0 0 8px; }
.tab-body ol li { margin-bottom: 14px; }
.tab-body p { color: var(--muted); margin: 0 0 10px; }
.tab-body a { color: var(--accent); }
.note {
  border-left: 3px solid var(--accent); background: var(--panel-2); border-radius: 0 10px 10px 0;
  padding: 12px 16px; margin: 14px 0; font-size: 14px; color: var(--muted);
}
.note.warn { border-left-color: var(--danger); }
.note b { color: var(--text); }

/* блоки кода */
.code {
  position: relative; background: var(--bg); border: 1px solid var(--line); border-radius: 11px;
  padding: 14px 46px 14px 16px; overflow-x: auto; margin: 8px 0 14px;
}
:root[data-theme="light"] .code, :root:not([data-theme="dark"]) .code { background: #0c1017; }
.code pre { margin: 0; font-family: ui-monospace, "JetBrains Mono", Menlo, monospace; font-size: 13px; color: #dbe7f5; line-height: 1.7; white-space: pre; }
.code .cmt { color: #6b8299; }
.copy-btn {
  position: absolute; top: 8px; right: 8px; width: 30px; height: 30px; border-radius: 8px;
  border: 1px solid #2a3a52; background: #16202e; color: #9fb4cc; cursor: pointer; font-size: 13px;
}
.copy-btn:hover { color: #fff; border-color: var(--accent); }
.copy-btn.done { color: var(--ok); border-color: var(--ok); }

/* FAQ */
.faq { max-width: 820px; margin: 0 auto; display: flex; flex-direction: column; gap: 10px; }
.faq details {
  background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 4px 18px;
}
.faq summary { cursor: pointer; font-weight: 650; padding: 14px 0; list-style: none; display: flex; justify-content: space-between; align-items: center; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--accent); font-size: 20px; font-weight: 400; }
.faq details[open] summary::after { content: "−"; }
.faq details p { color: var(--muted); margin: 0 0 16px; font-size: 14.5px; }
.faq a { color: var(--accent); }

/* футер */
.footer { border-top: 1px solid var(--line); background: var(--bg-2); }
.footer-cols { max-width: var(--maxw); margin: 0 auto; padding: 48px 22px 20px; display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 30px; }
.footer-cols h4 { font-size: 13px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
.footer-cols a { display: block; color: var(--muted); font-size: 14px; padding: 4px 0; }
.footer-cols a:hover { color: var(--text); }
.footer-cols .muted { color: var(--muted); font-size: 13.5px; max-width: 300px; margin-top: 12px; }
.footer-bar { max-width: var(--maxw); margin: 0 auto; padding: 18px 22px; border-top: 1px solid var(--line);
  display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; font-size: 13px; color: var(--muted); }
.muted { color: var(--muted); }

@media (max-width: 820px) {
  .nav-links { display: none; }
  .flow-arrow { display: none; }
  .footer-cols { grid-template-columns: 1fr 1fr; }
  .earn-note { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 480px) {
  .footer-cols { grid-template-columns: 1fr; }
  .hero-stats > div { min-width: 44%; }
}

/* Language toggle (RU/EN) */
.lang-toggle { display: inline-flex; gap: 2px; align-items: center; }
.lang-toggle button {
  font: inherit; font-size: 12px; font-weight: 600; line-height: 1;
  padding: 5px 7px; border: 0; border-radius: 6px; cursor: pointer;
  background: transparent; color: inherit; opacity: .5;
}
.lang-toggle button.active { opacity: 1; background: rgba(125,125,125,.18); }
.lang-toggle button:hover { opacity: .85; }