/* ═══════════════════════════════════════════════════════════════
   Индустриальная Автоматизация — лендинг
   Палитра — из бренд-материалов (логотип + дашборд):
   навы #14202F/#24466D, синий #4DA3E8, оранжевый #EE9226.
   Цвета серий графиков (#3E92D8/#D0781A) валидированы для тёмной
   поверхности #1C2536 (CVD ΔE ≥ 24, контраст ≥ 3:1).
   ═══════════════════════════════════════════════════════════════ */
:root{
  /* фоны */
  --bg-dark:#141D2C;
  --bg-dark-2:#111927;
  --panel:#1C2536;
  --panel-2:#182134;
  --line:#2C3A54;
  --line-soft:#243149;
  /* бренд */
  --navy:#24466D;
  --blue:#4DA3E8;
  --blue-chart:#3E92D8;
  --orange:#EE9226;
  --orange-chart:#D0781A;
  --green:#3DBB6E;
  --red:#F05B5B;
  /* текст */
  --t-dark:#E9EEF6;
  --t-dark-mut:#93A2B8;
  --t-dark-dim:#5F7089;
  --ink:#1E2A3B;
  --ink-mut:#5E6B7E;
  /* светлые фоны */
  --bg-light:#FFFFFF;
  --bg-gray:#F2F5F9;
  --card-line:#E3E9F1;
  /* прочее */
  --r:14px;
  --font-h:"Montserrat",-apple-system,"Segoe UI",sans-serif;
  --font-b:"Inter",-apple-system,"Segoe UI",sans-serif;
  --pattern:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cg fill='none' stroke='%238FB0DA' stroke-opacity='.06' stroke-width='1.2'%3E%3Cpath d='M30 0v50h74'/%3E%3Ccircle cx='108' cy='50' r='3'/%3E%3Cpath d='M240 60h-58v72'/%3E%3Ccircle cx='182' cy='136' r='3'/%3E%3Cpath d='M60 240v-58h52'/%3E%3Ccircle cx='116' cy='182' r='3'/%3E%3Cpath d='M0 150h42v42'/%3E%3Ccircle cx='42' cy='196' r='3'/%3E%3C/g%3E%3C/svg%3E");
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font:400 16px/1.6 var(--font-b);
  color:var(--ink);
  background:var(--bg-light);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-family:var(--font-h);line-height:1.2;margin:0}
p{margin:0}
a{color:inherit;text-decoration:none}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer}
img,svg{display:block;max-width:100%}
section{scroll-margin-top:84px}

.container{max-width:1160px;margin:0 auto;padding:0 22px}
.container--wide{max-width:1300px}

.ico{width:1.35em;height:1.35em;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex:none}

/* ── кнопки ─────────────────────────────────────────────── */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:0;border-radius:11px;padding:14px 26px;
  font:600 15px/1 var(--font-b);letter-spacing:.01em;
  transition:transform .15s,box-shadow .15s,background .15s,border-color .15s;
}
.btn--primary{background:var(--orange);color:#161F2E;box-shadow:0 6px 22px rgba(238,146,38,.28)}
.btn--primary:hover{background:#F6A03A;transform:translateY(-1px)}
.btn--ghost{border:1px solid #3B4C6B;color:var(--t-dark);background:transparent}
.btn--ghost:hover{border-color:var(--blue);color:#fff}
.btn--sm{padding:10px 18px;font-size:14px}
.btn--block{width:100%}
.btn--sim{background:var(--orange);color:#161F2E;padding:9px 16px;font-size:13.5px;font-weight:700;border-radius:9px}
.btn--sim:hover{background:#F6A03A}
.btn--sim:disabled{background:#5B4A2E;color:#B9A784;cursor:default}

/* ── шапка ──────────────────────────────────────────────── */
.header{
  position:fixed;inset:0 0 auto 0;z-index:50;
  background:rgba(17,24,38,.82);
  backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(44,58,84,.6);
}
.nav{display:flex;align-items:center;gap:28px;height:68px}
.brand{display:flex;align-items:center;gap:11px;color:var(--t-dark)}
/* логотип: на тёмном фоне навы заменяется светло-стальным */
.mark{
  width:88px;height:46px;flex:none;
  --mk-primary:#D9E4F2;
  --mk-secondary:#8CA3BE;
  --mk-accent:var(--orange);
  --mk-bg:#131C2B;
}
.brand-text b{
  display:block;font:800 12.5px/1.18 var(--font-h);
  letter-spacing:.045em;text-transform:uppercase;color:#E7EDF6;
}
.brand-text>span{display:block;font-size:9px;letter-spacing:.06em;color:var(--t-dark-mut);margin-top:2px}
.nav-links{display:flex;gap:24px;margin-left:auto}
.nav-links a{font-size:14px;font-weight:500;color:#C4D0E0;transition:color .15s}
.nav-links a:hover{color:#fff}
.nav-cta{flex:none}
.burger{display:none;background:none;border:0;padding:8px;margin-left:auto}
.burger span{display:block;width:22px;height:2px;background:#DCE6F2;margin:5px 0;border-radius:2px;transition:.2s}

/* ── hero ───────────────────────────────────────────────── */
.hero{
  background:
    radial-gradient(1100px 480px at 50% -12%,rgba(77,163,232,.16),transparent 62%),
    var(--pattern),
    linear-gradient(180deg,#17222F 0%,var(--bg-dark) 55%,var(--bg-dark-2) 100%);
  color:var(--t-dark);
  padding:148px 0 96px;
}
.hero-inner{text-align:center;max-width:920px}
.eyebrow{
  font:700 12px/1.4 var(--font-b);letter-spacing:.16em;text-transform:uppercase;
  color:var(--orange);margin-bottom:18px;
}
.eyebrow--dark{color:var(--orange)}
.hero h1{
  font-size:clamp(30px,4.6vw,52px);font-weight:800;color:#F2F6FB;
  letter-spacing:.005em;margin-bottom:22px;
}
.hero h1 em{font-style:normal;color:var(--blue)}
.lead{font-size:clamp(15.5px,1.5vw,18px);color:#AAB8CC;max-width:820px;margin:0 auto 34px}
.hero-cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-bottom:34px}
.hero-chips{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-bottom:58px}
.hero-chips li{
  display:flex;align-items:center;gap:9px;
  font-size:13.5px;font-weight:500;color:#C7D3E3;
  background:rgba(28,37,54,.7);border:1px solid var(--line-soft);
  border-radius:99px;padding:9px 18px;
}
.hero-chips .ico{color:var(--orange);width:1.25em;height:1.25em}

/* ── консоль со схемой ──────────────────────────────────── */
.console{
  background:linear-gradient(180deg,#1B2536 0%,#161F2E 100%);
  border:1px solid var(--line);border-radius:22px;
  box-shadow:0 34px 90px rgba(4,10,20,.55),inset 0 1px 0 rgba(255,255,255,.045);
  overflow:hidden;
}
.console-bar{
  display:flex;align-items:center;gap:16px;flex-wrap:wrap;
  padding:15px 22px;border-bottom:1px solid var(--line-soft);
}
.cb-title{
  font:700 12.5px/1.3 var(--font-b);letter-spacing:.14em;text-transform:uppercase;
  color:#8FA0B8;
}
.badge{
  display:inline-flex;align-items:center;gap:8px;margin-left:auto;
  font:700 12px/1 var(--font-b);letter-spacing:.1em;text-transform:uppercase;
  border-radius:99px;padding:8px 15px;transition:.25s;
}
.badge i{width:8px;height:8px;border-radius:50%;flex:none}
.badge--ok{color:#63D893;background:rgba(61,187,110,.12);border:1px solid rgba(61,187,110,.35)}
.badge--ok i{background:var(--green);box-shadow:0 0 8px rgba(61,187,110,.8)}
.badge--warn{color:#F5B45C;background:rgba(238,146,38,.12);border:1px solid rgba(238,146,38,.4)}
.badge--warn i{background:var(--orange);box-shadow:0 0 8px rgba(238,146,38,.8);animation:blink 1s infinite}
.badge--alert{color:#F58A8A;background:rgba(240,91,91,.13);border:1px solid rgba(240,91,91,.4)}
.badge--alert i{background:var(--red);box-shadow:0 0 8px rgba(240,91,91,.8);animation:blink .7s infinite}
@keyframes blink{50%{opacity:.35}}

/* диаграмма */
.diagram{
  position:relative;container-type:inline-size;
  aspect-ratio:1200/540;margin:10px 14px 6px;
}
.wires{position:absolute;inset:0;width:100%;height:100%;z-index:1}
.wire{stroke:#46597C;stroke-width:2;fill:none;transition:stroke .3s,opacity .3s}
.wire--alert{stroke-dasharray:5 5;opacity:.35}
.pkt{fill:#64B3F2;opacity:.95}
.pkt--rag{fill:#F0A24C;opacity:.85}
.pkt--alert{fill:var(--red);opacity:0;transition:opacity .3s}
.wire-label{
  font:600 11px var(--font-b);letter-spacing:.08em;text-transform:uppercase;
  fill:#6E809C;
}
.wire-label--alert{fill:var(--red);opacity:0;transition:opacity .3s}

/* фазы симуляции */
.ph-detect [data-edge="e1"] .wire,
.ph-detect [data-edge="e2"] .wire{stroke:var(--red)}
.ph-detect [data-edge="e1"] .pkt,
.ph-detect [data-edge="e2"] .pkt{fill:var(--red)}
.ph-analyze [data-edge="rag"] .wire{stroke:var(--orange)}
.ph-notify [data-edge="e4"] .wire{stroke:var(--red);opacity:1}
.ph-notify .pkt--alert{opacity:1}
.ph-notify .wire-label--alert{opacity:1}

/* узлы */
.node{
  position:absolute;left:var(--x);top:var(--y);width:var(--w);z-index:2;
  background:linear-gradient(180deg,#232E44 0%,#1E2839 100%);
  border:1px solid #33415C;border-radius:12px;
  padding:.95em;
  font-size:12px;
  font-size:clamp(10.5px,1.05cqi,14px);
  cursor:pointer;outline:none;
  transition:border-color .2s,box-shadow .2s,transform .2s;
}
.node:hover{border-color:#4A6288;transform:translateY(-2px)}
.node:focus-visible,.node.active{border-color:var(--blue);box-shadow:0 0 0 2.5px rgba(77,163,232,.22)}
.node-head{display:flex;gap:.7em;align-items:flex-start}
.node-ico{
  width:2.7em;height:2.7em;border-radius:.65em;flex:none;
  display:flex;align-items:center;justify-content:center;
  background:rgba(77,163,232,.1);border:1px solid rgba(77,163,232,.22);
  color:var(--blue);
}
.node-ico .ico{width:1.5em;height:1.5em}
.node-ico--ai{background:rgba(238,146,38,.1);border-color:rgba(238,146,38,.28);color:var(--orange)}
.node h3{font:700 1.06em/1.25 var(--font-b);color:#E9EFF7;letter-spacing:.01em}
.node-head p{font-size:.82em;color:var(--t-dark-mut);margin-top:.25em;line-height:1.35}

/* датчики в узле установки */
.sensors{margin-top:.7em;display:grid;gap:.4em}
.sensors li{
  display:flex;align-items:center;gap:.5em;
  background:#18213398;border:1px solid #2C3850;border-radius:.6em;
  padding:.42em .65em;font-size:.86em;
}
.sensors span{color:var(--t-dark-mut)}
.sensors b{margin-left:auto;color:#EAF0F8;font-weight:600;white-space:nowrap;transition:color .3s}
.sensors b.val-alert{color:var(--red)}
.dot{width:.55em;height:.55em;border-radius:50%;background:var(--green);flex:none;box-shadow:0 0 6px rgba(61,187,110,.7)}
.dot--alert{background:var(--red);box-shadow:0 0 7px rgba(240,91,91,.9);animation:blink .7s infinite}

/* узел ИИ */
.node--ai{min-height:12.1em}
.node--ai::after{
  content:"";position:absolute;inset:-7px;border-radius:16px;
  border:1px solid rgba(238,146,38,.35);opacity:0;pointer-events:none;
  animation:aiPulse 2.8s ease-out infinite;
}
@keyframes aiPulse{0%{opacity:.55;transform:scale(.985)}70%{opacity:0;transform:scale(1.03)}100%{opacity:0}}
.node--ai.n-work::after{border-color:rgba(240,91,91,.5);animation-duration:1.1s}
.ai-status{
  margin-top:.85em;display:flex;align-items:center;gap:.55em;
  background:#18213398;border:1px solid #2C3850;border-radius:.6em;
  padding:.5em .65em;font-size:.85em;color:#B9C6D8;
}
.ai-live{width:.55em;height:.55em;border-radius:50%;background:var(--green);flex:none;animation:blink 1.6s infinite}
.n-work .ai-live{background:var(--orange)}

/* прочие узлы */
.node--tele{min-height:7em}
.node--rag{min-height:6.6em}
.node--rag.n-glow{border-color:var(--orange);box-shadow:0 0 0 2.5px rgba(238,146,38,.2)}
.node--scada{min-height:8em}
.node--person{min-height:9.3em}

.chip{
  display:inline-flex;align-items:center;gap:.5em;margin-top:.7em;
  font-size:.78em;font-weight:700;letter-spacing:.09em;text-transform:uppercase;
  border-radius:99px;padding:.4em .9em;transition:.25s;
}
.chip i{width:.6em;height:.6em;border-radius:50%;flex:none}
.chip--ok{color:#63D893;background:rgba(61,187,110,.1);border:1px solid rgba(61,187,110,.3)}
.chip--ok i{background:var(--green)}
.chip--alert{color:#F58A8A;background:rgba(240,91,91,.12);border:1px solid rgba(240,91,91,.38)}
.chip--alert i{background:var(--red);animation:blink .7s infinite}

.notif{
  margin-top:.75em;display:flex;align-items:center;gap:.55em;
  background:#18213398;border:1px solid #2C3850;border-radius:.6em;
  padding:.5em .65em;font-size:.85em;color:var(--t-dark-dim);
  transition:.3s;
}
.notif .ico{width:1.2em;height:1.2em}
.notif--alert{color:#FFD9A6;background:rgba(238,146,38,.14);border-color:rgba(238,146,38,.45)}
.notif--alert .ico{color:var(--orange);animation:ring .5s ease-in-out 3}
.notif--ok{color:#8FE0B0;background:rgba(61,187,110,.1);border-color:rgba(61,187,110,.35)}
@keyframes ring{25%{transform:rotate(-14deg)}75%{transform:rotate(14deg)}}

/* подвал консоли: описание + журнал */
/* minmax(0,…) — иначе nowrap-строки журнала распирают колонку */
.console-foot{
  display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:14px;
  padding:8px 14px 14px;
}
.cf-info{
  background:var(--panel-2);border:1px solid var(--line-soft);border-radius:12px;
  padding:16px 20px;min-height:118px;
}
.cf-info h4{font:700 13px/1.3 var(--font-b);letter-spacing:.05em;text-transform:uppercase;color:var(--blue);margin-bottom:7px}
.cf-info p{font-size:14px;color:#AEBBCD;line-height:1.55}
.incident-card{border-left:3px solid var(--orange);padding-left:14px}
.incident-card .ic-head{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:8px}
.incident-card .ic-head b{color:#F0D4AC;font-size:14px}
.ic-tag{
  font-size:10.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  color:#F5B45C;background:rgba(238,146,38,.13);border:1px solid rgba(238,146,38,.4);
  border-radius:99px;padding:3px 10px;
}
.incident-card li{font-size:13px;color:#AEBBCD;margin-top:5px;line-height:1.5}
.incident-card li b{color:#D9E3EF;font-weight:600}
.cf-log{
  background:#101827;border:1px solid var(--line-soft);border-radius:12px;
  padding:12px 16px;display:flex;flex-direction:column;
}
.cf-log-head{
  font:700 10.5px/1 var(--font-b);letter-spacing:.14em;text-transform:uppercase;
  color:var(--t-dark-dim);margin-bottom:8px;
}
.cf-log-body{
  font:11.5px/1.75 ui-monospace,"SF Mono",Consolas,monospace;
  color:#9FB0C7;height:88px;overflow-y:auto;scrollbar-width:thin;
}
.cf-log-body .t{color:#C9832F;margin-right:8px}
.cf-log-body div{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.cf-log-body .l-warn{color:#EFB667}
.cf-log-body .l-alert{color:#F58A8A}
.cf-log-body .l-ok{color:#63D893}

/* ── общие секции ───────────────────────────────────────── */
.sec{padding:96px 0}
.sec--light{background:var(--bg-light)}
.sec--gray{background:var(--bg-gray)}
.sec--dark{
  background:var(--pattern),linear-gradient(180deg,#16202F 0%,var(--bg-dark-2) 100%);
  color:var(--t-dark);
}
.sec h2{
  font-size:clamp(26px,3vw,38px);font-weight:800;letter-spacing:.005em;
  max-width:820px;margin-bottom:18px;
}
.sec--light h2,.sec--gray h2{color:var(--ink)}
.sec-lead{font-size:16.5px;color:var(--ink-mut);max-width:720px;margin-bottom:48px}
.sec-lead--dark{color:#A2B1C5}
.sec .eyebrow{margin-bottom:14px}
.sec--light .eyebrow,.sec--gray .eyebrow{color:#C77712}

/* карточки */
.grid{display:grid;gap:20px}
.grid--3{grid-template-columns:repeat(auto-fit,minmax(290px,1fr));margin-top:44px}
.grid--4{grid-template-columns:repeat(auto-fit,minmax(250px,1fr));margin-top:44px}
.card{
  position:relative;background:#fff;border:1px solid var(--card-line);border-radius:var(--r);
  padding:28px 26px;transition:transform .2s,box-shadow .2s,border-color .2s;
  overflow:hidden;
}
.card::before{
  content:"";position:absolute;inset:0 auto auto 0;width:100%;height:3px;
  background:linear-gradient(90deg,var(--orange),var(--blue));
  opacity:0;transition:opacity .2s;
}
.card:hover{transform:translateY(-4px);box-shadow:0 18px 44px rgba(20,35,60,.1);border-color:#D3DCE8}
.card:hover::before{opacity:1}
.card-ico{
  width:48px;height:48px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:#EDF3FA;color:var(--navy);margin-bottom:18px;
}
.card-ico .ico{width:24px;height:24px}
.card h3{font:700 17.5px/1.3 var(--font-b);color:var(--ink);margin-bottom:10px;letter-spacing:.005em}
.card p{font-size:14.5px;color:var(--ink-mut);line-height:1.6}
.card--num .num{
  position:absolute;top:20px;right:22px;
  font:800 15px var(--font-h);color:#C6D2E0;letter-spacing:.05em;
}

/* этапы */
.steps{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px;
  margin-top:44px;
}
.step{
  display:flex;align-items:center;gap:14px;
  background:#fff;border:1px solid var(--card-line);border-radius:12px;padding:16px 18px;
}
.step b{
  width:34px;height:34px;border-radius:50%;flex:none;
  display:flex;align-items:center;justify-content:center;
  background:var(--navy);color:#fff;font:700 14px var(--font-b);
}
.step span{font-size:13.5px;color:var(--ink);font-weight:500;line-height:1.35}

/* ── дашборд ────────────────────────────────────────────── */
.screen{
  background:linear-gradient(180deg,#1B2536,#151E2C);
  border:1px solid var(--line);border-radius:20px;
  box-shadow:0 30px 80px rgba(4,10,20,.5),inset 0 1px 0 rgba(255,255,255,.04);
  padding:18px;
}
.scr-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:16px}
.scr-col{display:grid;gap:16px;align-content:start}
.panel{
  background:var(--panel);border:1px solid var(--line-soft);border-radius:14px;
  padding:16px 18px 12px;
}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:10px}
.panel-head h4{
  font:700 12px/1.3 var(--font-b);letter-spacing:.13em;text-transform:uppercase;
  color:#B9C6D8;
}
.panel-head .chip{margin-top:0;font-size:10px}
.chart{width:100%;height:150px}
.tiles{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.tile{
  background:var(--panel);border:1px solid var(--line-soft);border-radius:14px;
  padding:16px 18px;
}
.tile span{
  display:block;font:700 11px/1.3 var(--font-b);letter-spacing:.12em;
  text-transform:uppercase;color:var(--t-dark-dim);margin-bottom:6px;
}
.tile b{font:800 clamp(22px,2.4vw,30px)/1.1 var(--font-h);color:#F2F6FB;white-space:nowrap}
.tile b i{font:600 .5em var(--font-b);font-style:normal;color:var(--t-dark-mut)}

/* цифры */
.stats{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px;
  margin-top:56px;
}
.stat{
  background:rgba(28,37,54,.6);border:1px solid var(--line-soft);border-radius:var(--r);
  padding:24px 26px;
}
.stat b{display:block;font:800 34px/1.1 var(--font-h);color:#F2F6FB;margin-bottom:8px;white-space:nowrap}
.stat span{font-size:13.5px;color:var(--t-dark-mut);line-height:1.5}
.footnote{margin-top:18px;font-size:12px;color:var(--t-dark-dim)}

/* ── отрасли ────────────────────────────────────────────── */
.ind-grid{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;
  margin-top:44px;
}
.ind{
  display:flex;align-items:center;gap:12px;
  background:#fff;border:1px solid var(--card-line);border-radius:12px;
  padding:18px 20px;transition:border-color .2s,transform .2s,box-shadow .2s;
}
.ind:hover{border-color:var(--blue);transform:translateY(-2px);box-shadow:0 10px 26px rgba(20,35,60,.08)}
.ind .ico{width:22px;height:22px;color:var(--navy)}
.ind span{font-size:14px;font-weight:600;color:var(--ink)}

/* ── CTA / форма ────────────────────────────────────────── */
.sec--cta{padding:100px 0}
.cta-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:56px;align-items:start}
.cta-list{display:grid;gap:18px;margin-top:34px}
.cta-list li{display:flex;gap:14px;align-items:flex-start;font-size:15px;color:#A9B7CA;line-height:1.55}
.cta-list li b{color:#E9EEF6;font-weight:600}
.cta-list .ico{color:var(--orange);width:22px;height:22px;margin-top:2px}
.lead-form{
  background:var(--panel);border:1px solid var(--line);border-radius:18px;
  padding:30px 30px 24px;box-shadow:0 24px 60px rgba(4,10,20,.4);
}
.lead-form h3{font:800 20px var(--font-h);color:#F2F6FB;margin-bottom:20px}
.lead-form label{
  display:block;font-size:12.5px;font-weight:600;color:var(--t-dark-mut);
  letter-spacing:.03em;margin-bottom:14px;
}
.lead-form input,.lead-form textarea{
  width:100%;margin-top:6px;
  background:#151E2C;border:1px solid #33415C;border-radius:10px;
  padding:12px 14px;color:var(--t-dark);font:400 14.5px var(--font-b);
  transition:border-color .15s,box-shadow .15s;resize:vertical;
}
.lead-form input::placeholder,.lead-form textarea::placeholder{color:#4E5F79}
.lead-form input:focus,.lead-form textarea:focus{
  outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(77,163,232,.16);
}
.lead-form input.err{border-color:var(--red)}
.lead-form .btn{margin-top:6px}
.consent{font-size:11.5px;color:var(--t-dark-dim);margin-top:14px;text-align:center;line-height:1.5}
.form-done{text-align:center;padding:34px 6px}
.form-done .ico{width:44px;height:44px;color:var(--green);margin:0 auto 16px}
.form-done h3{margin-bottom:10px}
.form-done p{font-size:14.5px;color:var(--t-dark-mut)}

/* ── подвал ─────────────────────────────────────────────── */
.footer{background:#0E1621;color:var(--t-dark-mut);border-top:1px solid #1D2A40}
.foot-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:44px;
  padding:56px 22px 40px;
}
.footer .mark{width:100px;height:52px;--mk-bg:#0E1621}
.foot-brand p{font-size:13.5px;line-height:1.6;margin-top:18px;max-width:340px}
.foot-nav,.foot-contacts{display:flex;flex-direction:column;gap:11px}
.foot-nav h4,.foot-contacts h4{
  font:700 12px/1 var(--font-b);letter-spacing:.14em;text-transform:uppercase;
  color:#5F7089;margin-bottom:6px;
}
.foot-nav a,.foot-contacts a{font-size:14px;color:#AEBBCD;transition:color .15s}
.foot-nav a:hover,.foot-contacts a:hover{color:#fff}
.foot-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding-top:22px;padding-bottom:26px;
  border-top:1px solid #1D2A40;font-size:12.5px;color:#54647D;
}

/* ── появление при скролле ──────────────────────────────── */
.rv{opacity:0;transform:translateY(20px);transition:opacity .6s ease,transform .6s ease}
.rv.in{opacity:1;transform:none}

/* ── адаптив ────────────────────────────────────────────── */
@media (max-width:1020px){
  .nav-links{display:none}
  .nav-cta{margin-left:auto}
  .burger{display:block;margin-left:6px}
  .nav-open .nav-links{
    display:flex;flex-direction:column;gap:4px;
    position:fixed;top:68px;left:0;right:0;
    background:#111826F2;backdrop-filter:blur(12px);
    border-bottom:1px solid var(--line-soft);
    padding:14px 22px 20px;margin:0;
  }
  .nav-open .nav-links a{padding:10px 0;font-size:15px}
  .nav-open .burger span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .nav-open .burger span:nth-child(2){opacity:0}
  .nav-open .burger span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
}

@media (max-width:880px){
  .hero{padding-top:124px}
  /* схема: вертикальный поток */
  .diagram{aspect-ratio:auto;display:flex;flex-direction:column;gap:30px;margin:16px 14px 8px}
  .wires{display:none}
  .node{position:relative;left:auto;top:auto;width:auto;min-height:0;font-size:14px}
  .node:not(:last-child)::before{
    content:"";position:absolute;left:50%;bottom:-31px;width:2px;height:30px;
    background:linear-gradient(180deg,#35435F,#35435F 55%,transparent 55%,transparent);
    background-size:2px 6px;
  }
  .node:not(:last-child)::after{
    content:"▾";position:absolute;left:50%;bottom:-28px;transform:translateX(-46%);
    color:#4A5B78;font-size:13px;
  }
  .console-foot{grid-template-columns:minmax(0,1fr)}
  .cf-log-body{height:110px}
  .console-bar{gap:10px}
  .badge{margin-left:0;order:3}
  .btn--sim{margin-left:auto}
}

@media (max-width:760px){
  .sec{padding:68px 0}
  .scr-grid{grid-template-columns:1fr}
  .cta-grid{grid-template-columns:1fr;gap:40px}
  .foot-grid{grid-template-columns:1fr;gap:32px;padding-top:44px}
  .stats{grid-template-columns:1fr 1fr}
  .stat b{font-size:28px}
  .hero{padding-bottom:64px}
  .hero-chips{margin-bottom:40px}
}
@media (max-width:560px){
  .nav{gap:14px}
  .nav-cta{display:none} /* CTA остаётся в hero и в меню-бургере */
}
@media (max-width:480px){
  .stats{grid-template-columns:1fr}
  .tiles{grid-template-columns:1fr 1fr}
  .brand-text>span{display:none}
}

/* ── ограничение анимаций ───────────────────────────────── */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .pkt{display:none}
  .node--ai::after,.badge i,.dot,.ai-live,.chip i{animation:none!important}
  .rv{opacity:1;transform:none;transition:none}
  *{transition-duration:.01ms!important}
}