/* Общий стиль кейс-страниц портфолио AktivForge */
:root{
  --charcoal:#0F1115;
  --steel:#1A1D24;
  --steel-2:#242830;
  --silver:#A9AFB7;
  --ember:#FF8A00;
  --ember-d:#D97400;
  --text:#EEF1F5;
  --muted:#8A929E;
  --line:#2B303A;
  --good:#3DD68C;
  --display:"Exo 2",system-ui,sans-serif;
  --sans:"Inter",-apple-system,"Segoe UI",sans-serif;
  --mono:ui-monospace,"SF Mono",Menlo,monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
body{background:var(--charcoal);color:var(--text);font-family:var(--sans);font-size:16.5px;line-height:1.68;-webkit-font-smoothing:antialiased}
.wrap{max-width:1080px;margin:0 auto;padding:0 32px}
h1,h2,h3,h4{font-family:var(--display);font-weight:700;line-height:1.14;letter-spacing:-.01em}
a{color:inherit;text-decoration:none}

.tag{display:inline-flex;align-items:center;gap:9px;font-family:var(--display);font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--ember);font-weight:600}
.tag::before{content:"";width:24px;height:2px;background:var(--ember)}

/* nav */
nav{position:sticky;top:0;z-index:50;background:rgba(15,17,21,.9);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:70px}
/* замок по брендбуку: знак + «Aktiv» серебром и «Forge» оранжевым + строка brand essence.
   Текст набран, а не картинкой — не мылится на плотных экранах */
.logo{display:flex;align-items:center;gap:12px}
.logo img{height:42px;width:auto;flex-shrink:0;display:block}
.logo-tx{display:flex;flex-direction:column;line-height:1}
.logo-tx b{font-family:var(--display);font-size:21px;font-weight:700;color:#fff;letter-spacing:.005em}
.logo-tx b i{font-style:normal;color:var(--ember)}
.logo-tx em{font-style:normal;font-size:9px;letter-spacing:.19em;text-transform:uppercase;color:var(--silver);margin-top:4px;white-space:nowrap}
.back{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--muted);transition:.18s}
.back:hover{color:var(--ember)}
.back svg{width:15px;height:15px;stroke:currentColor;fill:none;stroke-width:2.2}

/* hero */
header{padding:74px 0 58px;border-bottom:1px solid var(--line);position:relative;overflow:hidden}
.hglow{position:absolute;width:560px;height:560px;border-radius:50%;background:var(--ember);filter:blur(200px);opacity:.09;top:-280px;right:-140px;pointer-events:none}
header .wrap{position:relative;z-index:2}
header h1{font-size:52px;margin:18px 0 18px;max-width:820px}
header .sub{font-size:19px;color:var(--silver);max-width:680px}
.badge-real{display:inline-flex;align-items:center;gap:7px;background:rgba(61,214,140,.1);border:1px solid rgba(61,214,140,.32);color:var(--good);font-size:12.5px;font-weight:600;padding:5px 12px;border-radius:999px;margin-bottom:6px}
.badge-real svg{width:13px;height:13px;stroke:currentColor;fill:none;stroke-width:2.6}
.badge-demo{background:rgba(169,175,183,.08);border-color:rgba(169,175,183,.28);color:var(--silver)}

/* meta */
.meta{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin-top:44px}
.meta div{background:var(--charcoal);padding:20px 22px}
.meta small{display:block;font-family:var(--display);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin-bottom:5px}
.meta b{font-size:15.5px;font-weight:600}

section{padding:76px 0}
section.tight{padding-top:0}
.sec-head{margin-bottom:36px;max-width:720px}
.sec-head h2{font-size:36px;margin:14px 0 12px}
.sec-head p{color:var(--silver)}

/* prose */
.prose p{color:var(--silver);margin-bottom:16px;max-width:780px}
.prose p:last-child{margin-bottom:0}
.prose strong{color:var(--text);font-weight:600}

/* problem list */
.plist{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line)}
.plist > div{background:var(--charcoal);padding:30px 28px}
.plist h3{font-size:20px;margin-bottom:9px;display:flex;align-items:center;gap:10px}
.plist h3 i{width:26px;height:26px;border-radius:7px;display:grid;place-items:center;flex-shrink:0;font-style:normal;font-size:13px;font-family:var(--display);font-weight:700}
.plist .bad i{background:rgba(255,138,0,.14);color:var(--ember)}
.plist .good i{background:rgba(61,214,140,.14);color:var(--good)}
.plist p{color:var(--muted);font-size:15px}

/* solution blocks */
.sol{display:grid;gap:16px}
.sb{background:var(--steel);border:1px solid var(--line);border-left:3px solid var(--ember);border-radius:0 10px 10px 0;padding:26px 28px}
.sb h3{font-size:20px;margin-bottom:8px}
.sb p{color:var(--silver);font-size:15.5px}
.sb code{font-family:var(--mono);font-size:13.5px;background:var(--steel-2);border:1px solid var(--line);padding:2px 7px;border-radius:5px;color:var(--ember)}

/* results */
.res{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.rc{background:var(--steel);border:1px solid var(--line);border-radius:12px;padding:26px 24px}
.rc b{font-family:var(--display);font-size:38px;font-weight:700;color:var(--ember);display:block;line-height:1.05;margin-bottom:6px}
.rc span{font-size:14px;color:var(--silver);display:block}

/* stack chips */
.chips{display:flex;flex-wrap:wrap;gap:9px}
.chip{background:var(--steel);border:1px solid var(--line);border-radius:999px;padding:8px 17px;font-size:14px;color:var(--silver);font-family:var(--mono);font-size:13px}
.chip:hover{border-color:var(--ember);color:var(--ember)}

/* phone mockup */
.stage{background:var(--steel);border:1px solid var(--line);border-radius:16px;padding:44px;display:grid;place-items:center}
.phone{width:310px;background:#0B0E12;border:8px solid #262B34;border-radius:32px;overflow:hidden;box-shadow:0 40px 90px rgba(0,0,0,.55)}
.ph-bar{background:#1B2028;padding:12px 16px;display:flex;align-items:center;gap:10px;border-bottom:1px solid #262B34}
.ph-bar .pav{width:30px;height:30px;border-radius:50%;background:linear-gradient(135deg,var(--ember),#FFB65C);display:grid;place-items:center;font-size:12px;font-weight:700;color:var(--charcoal);font-family:var(--display)}
.ph-bar b{font-size:13.5px;display:block;line-height:1.25}
.ph-bar small{font-size:11px;color:var(--good)}
.ph-body{padding:16px 14px;display:flex;flex-direction:column;gap:9px;min-height:380px;background:#0B0E12}
.msg{max-width:82%;padding:9px 13px;border-radius:14px;font-size:13.5px;line-height:1.5}
.msg.in{background:#1E242D;border-bottom-left-radius:4px;align-self:flex-start}
.msg.out{background:var(--ember);color:#1A1206;border-bottom-right-radius:4px;align-self:flex-end;font-weight:500}
.msg b{display:block;font-weight:600;margin-bottom:2px}
.msg small{display:block;font-size:11.5px;opacity:.6;margin-top:3px}
.kb{display:flex;flex-wrap:wrap;gap:6px;margin-top:2px}
.kb span{background:#232A34;border:1px solid #313945;border-radius:8px;padding:7px 11px;font-size:12px;color:#B8C0CC;flex:1;text-align:center;min-width:0}

/* browser mockup */
.browser{width:100%;background:#0B0E12;border:1px solid var(--line);border-radius:12px;overflow:hidden;box-shadow:0 40px 90px rgba(0,0,0,.5)}
.br-bar{background:var(--steel-2);padding:10px 14px;display:flex;align-items:center;gap:8px;border-bottom:1px solid var(--line)}
.br-bar i{width:11px;height:11px;border-radius:50%;background:#3A414D}
.br-url{flex:1;background:#151920;border-radius:6px;padding:5px 12px;font-family:var(--mono);font-size:12px;color:var(--muted);margin-left:8px}

/* arch diagram */
.arch{display:flex;align-items:center;justify-content:center;gap:0;flex-wrap:wrap;padding:12px 0}
.node{background:var(--steel-2);border:1px solid var(--line);border-radius:10px;padding:16px 20px;text-align:center;min-width:132px}
.node.hot{border-color:var(--ember);background:rgba(255,138,0,.07)}
.node b{display:block;font-family:var(--display);font-size:14.5px;font-weight:600}
.node small{font-size:11.5px;color:var(--muted);font-family:var(--mono)}
.arrow{width:36px;height:2px;background:var(--line);position:relative;flex-shrink:0}
.arrow::after{content:"";position:absolute;right:0;top:-3px;border-left:7px solid var(--line);border-top:4px solid transparent;border-bottom:4px solid transparent}

footer{border-top:1px solid var(--line);padding:44px 0;margin-top:40px}
.f-in{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}
footer p{color:var(--muted);font-size:14px}
.btn{display:inline-flex;align-items:center;gap:9px;background:var(--ember);color:var(--charcoal);padding:12px 24px;border-radius:9px;font-weight:600;font-size:15px;transition:.2s;font-family:var(--sans)}
.btn:hover{background:#FFA033;transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--text);border:1px solid var(--line)}
.btn-ghost:hover{background:var(--steel);border-color:var(--ember);color:var(--ember);transform:none}

.note{background:rgba(169,175,183,.05);border:1px solid var(--line);border-radius:10px;padding:18px 22px;font-size:14.5px;color:var(--muted);display:flex;gap:12px;align-items:flex-start}
.note svg{width:18px;height:18px;stroke:var(--silver);fill:none;stroke-width:2;flex-shrink:0;margin-top:4px}

@media(max-width:900px){
  header h1{font-size:34px}
  .sec-head h2{font-size:27px}
  .meta,.res,.plist{grid-template-columns:1fr}
  .wrap{padding:0 20px}
  .stage{padding:24px}
  .arch{flex-direction:column}
  .arrow{width:2px;height:26px}
  .arrow::after{right:-3px;top:auto;bottom:0;border-left:4px solid transparent;border-right:4px solid transparent;border-top:7px solid var(--line);border-bottom:none}
}