:root{
  --bg:#ffffff;
  --bg-2:#fafafa;
  --ink:#0a0a0a;
  --ink-2:#3d3d3d;
  --ink-3:#767676;
  --line:#e6e6e6;
  --accent:#0a0a0a;
  --nav-bg:rgba(255,255,255,.85);
  --btn-hover:#2a2a2a;
  --max:880px;
  --serif:"Georgia","Times New Roman",serif;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif;
}
html[data-theme="dark"]{
  --bg:#0d0d0f;
  --bg-2:#161619;
  --ink:#f3f3f4;
  --ink-2:#c3c5c9;
  --ink-3:#8b8e94;
  --line:#27282d;
  --accent:#f3f3f4;
  --nav-bg:rgba(13,13,15,.85);
  --btn-hover:#ffffff;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--ink);font-family:var(--sans);line-height:1.55;-webkit-font-smoothing:antialiased;font-size:17px}
a{color:inherit}
.wrap{max-width:var(--max);margin:0 auto;padding:0 28px}

/* i18n */
html[data-lang="en"] .ru{display:none!important}
html[data-lang="ru"] .en{display:none!important}
.navright{display:flex;align-items:center;gap:20px}
.langtog{display:inline-flex;gap:2px;align-items:center;font-size:13px;user-select:none}
.lt{cursor:pointer;color:var(--ink-3);padding:3px 8px;border-radius:7px;transition:color .2s,background .2s}
.lt:hover{color:var(--ink)}
.lt.on{color:var(--ink);background:var(--bg-2)}
.themetog{cursor:pointer;background:none;border:none;color:var(--ink-3);font-size:15px;line-height:1;padding:3px 6px;border-radius:7px;transition:color .2s,background .2s}
.themetog:hover{color:var(--ink);background:var(--bg-2)}
html[data-theme="dark"] .themetog .t-moon{display:none}
html:not([data-theme="dark"]) .themetog .t-sun{display:none}

/* TOP BAR */
nav{position:sticky;top:0;z-index:50;background:var(--nav-bg);backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line)}
nav .wrap{display:flex;align-items:center;justify-content:space-between;height:62px;max-width:1080px}
.back{display:inline-flex;align-items:center;gap:8px;text-decoration:none;font-size:15px;color:var(--ink-2);transition:color .2s}
.back:hover{color:var(--ink)}
.back b{font-weight:600;font-size:16px;color:var(--ink);letter-spacing:-.02em}
.nav-cv{font-size:14px;color:var(--ink-3);text-decoration:none;border-bottom:1px solid var(--line);padding-bottom:2px;transition:color .2s,border-color .2s}
.nav-cv:hover{color:var(--ink);border-color:var(--ink)}

/* HERO */
header{padding:96px 0 56px;border-bottom:1px solid var(--line)}
.eyebrow{font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3);margin-bottom:22px}
h1{font-family:var(--serif);font-weight:400;font-size:clamp(38px,7vw,68px);line-height:1.04;letter-spacing:-.02em;margin-bottom:22px}
.sub{font-size:clamp(18px,2.2vw,22px);color:var(--ink-2);max-width:640px;margin-bottom:40px}
.facts{display:flex;flex-wrap:wrap;gap:36px;border-top:1px solid var(--line);padding-top:26px}
.fact .k{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3);margin-bottom:6px}
.fact .v{font-size:16px;color:var(--ink)}

/* METRICS */
.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;padding:56px 0;border-bottom:1px solid var(--line)}
.metric .num{font-family:var(--serif);font-size:clamp(34px,5vw,50px);line-height:1;letter-spacing:-.02em;margin-bottom:8px}
.metric .cap{font-size:14px;color:var(--ink-3);line-height:1.45}
@media(max-width:680px){.metrics{grid-template-columns:1fr;gap:24px}}

/* BODY SECTIONS */
section.blk{padding:56px 0;border-bottom:1px solid var(--line)}
.lbl{font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3);margin-bottom:22px}
h2{font-family:var(--serif);font-weight:400;font-size:clamp(26px,3.6vw,38px);line-height:1.12;letter-spacing:-.02em;margin-bottom:22px}
.prose{max-width:680px}
.prose p{color:var(--ink-2);font-size:18px;line-height:1.62;margin-bottom:18px}
.prose p strong{color:var(--ink);font-weight:600}

/* FIGURES — device mockups, never cropped */
figure{margin:44px 0 8px;display:flex;flex-direction:column;align-items:center;padding:40px 20px;background:#f4f4f6;border:1px solid #e4e4e8;border-radius:18px}
figure img{display:block;width:auto;height:auto;border-radius:14px}
figure.device img{max-width:300px;width:100%}
figure.med img{max-width:430px;width:100%}
figure.wide img{max-width:560px;width:100%}
figure.full img{max-width:100%;width:100%}
figure.dark{background:#141416;border-color:#2a2b30}
figure.dark figcaption{color:#9a9ca1}
figcaption{margin-top:18px;font-size:14px;color:#6b6b70;text-align:center;max-width:560px}

/* lists inside prose */
.prose ul.clean{list-style:none;margin:6px 0 18px;display:flex;flex-direction:column;gap:14px}
.prose ul.clean li{position:relative;padding-left:20px;color:var(--ink-2);font-size:17px;line-height:1.55}
.prose ul.clean li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;background:var(--ink)}
.prose ul.clean li b{color:var(--ink);font-weight:600}

/* pull quote */
.pq{max-width:720px;margin:34px 0;padding:0 0 0 26px;border-left:3px solid var(--ink);
  font-family:var(--serif);font-size:clamp(22px,3vw,30px);line-height:1.3;letter-spacing:-.01em}

/* strategy tiers */
.tiers{display:flex;flex-direction:column;gap:18px;margin:34px 0 8px}
.tier{border:1px solid var(--line);border-radius:14px;padding:24px 26px}
.tier .tlbl{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3);margin-bottom:8px}
.tier h4{font-family:var(--serif);font-weight:400;font-size:21px;letter-spacing:-.01em;margin-bottom:14px}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{font-size:13px;color:var(--ink-2);border:1px solid var(--line);border-radius:999px;padding:5px 12px;background:var(--bg-2)}

/* two-col facts (trends/threats) */
.tt{display:grid;grid-template-columns:1fr;gap:14px;margin:6px 0 18px}
.tt .row{border-top:1px solid var(--line);padding-top:14px}
.tt .row .t{font-weight:600;color:var(--ink);font-size:17px;margin-bottom:4px}
.tt .row .x{color:var(--ink-3);font-size:15px}

/* CTA */
.endcta{padding:72px 0;text-align:center}
.endcta h3{font-family:var(--serif);font-weight:400;font-size:clamp(26px,4vw,40px);margin-bottom:26px;letter-spacing:-.02em}
.btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 22px;border-radius:999px;font-size:15px;font-weight:500;text-decoration:none;border:1px solid var(--ink);transition:all .2s}
.btn-solid{background:var(--ink);color:var(--bg)}
.btn-solid:hover{background:var(--btn-hover)}
.btn-ghost{background:transparent;color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:var(--bg)}

footer{padding:34px 0;border-top:1px solid var(--line);font-size:13px;color:var(--ink-3);display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}

.next{display:flex;justify-content:space-between;align-items:center;padding:30px 0;border-top:1px solid var(--line);gap:16px}
.next a{text-decoration:none;color:var(--ink);font-family:var(--serif);font-size:20px;transition:color .2s}
.next a:hover{color:var(--ink-3)}
.next .l{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3);font-family:var(--sans);display:block;margin-bottom:4px}