@font-face{font-family:Manrope;src:url("assets/fonts/manrope-cyrillic-wght-normal.woff2") format("woff2");font-style:normal;font-weight:200 800;font-display:swap;unicode-range:U+0400-052F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}
@font-face{font-family:Manrope;src:url("assets/fonts/manrope-latin-wght-normal.woff2") format("woff2");font-style:normal;font-weight:200 800;font-display:swap;unicode-range:U+0000-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:Inter;src:url("assets/fonts/inter-cyrillic-wght-normal.woff2") format("woff2");font-style:normal;font-weight:100 900;font-display:swap;unicode-range:U+0400-052F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}
@font-face{font-family:Inter;src:url("assets/fonts/inter-latin-wght-normal.woff2") format("woff2");font-style:normal;font-weight:100 900;font-display:swap;unicode-range:U+0000-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:"JetBrains Mono";src:url("assets/fonts/jetbrains-mono-cyrillic-wght-normal.woff2") format("woff2");font-style:normal;font-weight:100 800;font-display:swap;unicode-range:U+0400-052F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}
@font-face{font-family:"JetBrains Mono";src:url("assets/fonts/jetbrains-mono-latin-wght-normal.woff2") format("woff2");font-style:normal;font-weight:100 800;font-display:swap;unicode-range:U+0000-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}

:root{--ink:#142022;--muted:#637174;--paper:#f6f4ef;--surface:#fff;--surface-2:#e9f1f0;--line:#d9dfdc;--deep:#10282c;--teal:#187a72;--teal-dark:#0f5c56;--coral:#a9432c;--gold:#d9a441;--max:1520px;--text-max:1080px;--visual-max:1320px;--radius:8px;--shadow:0 18px 50px rgba(16,40,44,.12)}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font:17px/1.72 Inter,"Segoe UI",Arial,sans-serif;text-rendering:optimizeLegibility}
img{display:block;max-width:100%}
a{color:var(--teal-dark);text-decoration-color:rgba(24,122,114,.4);text-underline-offset:3px}
a:hover{text-decoration-color:currentColor}
.shell{width:min(calc(100% - 40px),var(--max));margin-inline:auto}
.topbar{height:70px;border-bottom:1px solid rgba(217,223,220,.8);background:rgba(246,244,239,.92);backdrop-filter:blur(18px);position:sticky;top:0;z-index:10}
.topbar .shell{height:100%;display:flex;align-items:center;justify-content:space-between}
.brand{font:760 15px/1 Manrope,sans-serif;letter-spacing:.03em;text-decoration:none;color:var(--ink)}
.brand span{color:var(--teal)}
.topmeta{font:700 12px/1 "JetBrains Mono",monospace;letter-spacing:.11em;text-transform:uppercase;color:var(--muted)}
.hero{padding:64px 0 50px}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(360px,.85fr);gap:54px;align-items:center}
.eyebrow{margin:0 0 17px;font:750 13px/1.45 "JetBrains Mono",monospace;letter-spacing:.12em;text-transform:uppercase;color:var(--teal)}
h1,h2,h3{font-family:Manrope,"Segoe UI",sans-serif;line-height:1.08;letter-spacing:-.035em}
h1{max-width:800px;margin:0;font-size:clamp(48px,6vw,78px);font-weight:790}
.dek{max-width:760px;margin:28px 0 0;font-size:clamp(19px,2vw,23px);line-height:1.5;color:#425356}
.hero-photo{position:relative;min-height:580px;border-radius:14px;overflow:hidden;background:var(--deep);box-shadow:var(--shadow)}
.hero-photo img{width:100%;height:100%;position:absolute;inset:0;object-fit:cover}
.hero-photo:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 50%,rgba(16,40,44,.82))}
.hero-caption{position:absolute;left:28px;right:28px;bottom:24px;z-index:1;color:white;font:600 15px/1.45 Inter,sans-serif}
.hero-caption b{display:block;margin-bottom:7px;font:750 12px/1.3 "JetBrains Mono",monospace;letter-spacing:.11em;text-transform:uppercase;color:#82d2c9}
.status{margin-top:34px;padding:22px 24px;border:1px solid #b9cfcb;border-left:5px solid var(--teal);border-radius:var(--radius);background:var(--surface-2);font-size:15.5px;line-height:1.58}
.status b{color:var(--teal-dark)}
.article-shell{display:block;max-width:var(--visual-max)}
.article{min-width:0}
.article section{scroll-margin-top:100px;margin:0 0 86px}
.article section>p,.article section>h2,.article section>h3,.article section>ul,.article section>.kicker,.article section>.formula-grid,.article section>.callout,.article section>.evidence,.article section>.compare{width:100%;max-width:var(--text-max);margin-inline:auto}
.article h2{margin:0 0 24px;font-size:clamp(34px,4vw,49px);font-weight:780}
.article h3{margin:38px 0 16px;font-size:25px;font-weight:750}
.article p{margin:0 0 22px}
.article ul{margin:0 0 25px;padding-left:23px}
.article li{margin:9px 0}
.lead{font-size:21px;line-height:1.6;color:#33474a}
.kicker{display:inline-block;margin-bottom:18px;font:750 12px/1.4 "JetBrains Mono",monospace;letter-spacing:.12em;text-transform:uppercase;color:var(--coral)}
.diagram{width:100%;max-width:var(--visual-max);margin:48px auto;border:1px solid var(--line);border-radius:14px;overflow:hidden;background:var(--surface);box-shadow:var(--shadow)}
.diagram img{width:100%;height:auto}
.diagram figcaption,.photo figcaption{padding:14px 18px;border-top:1px solid var(--line);font-size:13px;line-height:1.5;color:var(--muted);background:var(--surface)}
.photo{width:100%;max-width:var(--visual-max);margin:42px auto;border-radius:12px;overflow:hidden;background:var(--surface);border:1px solid var(--line)}
.photo img{width:100%;max-height:620px;object-fit:cover}
.formula-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:30px 0}
.formula{padding:23px;border:1px solid var(--line);border-radius:10px;background:var(--surface)}
.formula b{display:block;margin-bottom:12px;font:750 12px/1.4 "JetBrains Mono",monospace;letter-spacing:.08em;text-transform:uppercase;color:var(--teal)}
.formula code{font:650 16px/1.5 "JetBrains Mono",monospace;color:var(--deep)}
.callout{margin:34px 0;padding:28px 30px;border-radius:10px;background:var(--deep);color:#e8f2f1}
.callout p:last-child{margin-bottom:0}
.callout strong{color:#7fd3ca}
.callout--gold{background:#fff7df;color:var(--ink);border:1px solid #e8ce8f}
.callout--gold strong{color:#8a6519}
.evidence{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin:30px 0}
.evidence-card{padding:24px;border-radius:10px;background:var(--surface);border:1px solid var(--line)}
.evidence-card strong{display:block;font:770 28px/1.1 Manrope,sans-serif;color:var(--deep)}
.evidence-card span{display:block;margin-top:10px;color:var(--muted);font-size:14px;line-height:1.5}
.compare{width:100%;border-collapse:separate;border-spacing:0;margin:30px 0;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:var(--surface);font-size:15px;line-height:1.5}
.compare th,.compare td{padding:17px 18px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line)}
.compare tr:last-child th,.compare tr:last-child td{border-bottom:0}
.compare th{width:31%;font-family:Manrope,sans-serif;color:var(--deep);background:#f0f4f2}
.result{width:100%;max-width:var(--visual-max);margin:95px auto 0;padding:64px;border-radius:16px;background:var(--deep);color:white;box-shadow:var(--shadow)}
.result .kicker{color:#78c9c1}
.result h2{color:white}
.result p{color:#d8e5e4}
.stack{margin-top:32px;padding-top:24px;border-top:1px solid #385356;font:650 13px/1.7 "JetBrains Mono",monospace;color:#8dcac5}
.page-footer{margin-top:100px;padding:38px 0 54px;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}
.page-footer .shell{display:flex;justify-content:space-between;gap:30px}
code{font-family:"JetBrains Mono",Consolas,monospace;font-size:.9em;color:var(--teal-dark)}
@media(max-width:980px){.hero-grid{grid-template-columns:1fr}.hero-photo{min-height:420px}.article{width:100%;max-width:none;margin-inline:auto}.diagram,.photo,.result{max-width:none}}
@media(max-width:620px){body{font-size:16px}.shell{width:min(calc(100% - 24px),var(--max))}.topmeta{display:none}.hero{padding-top:38px}.hero-photo{min-height:320px}.article section{margin-bottom:64px}.formula-grid,.evidence{grid-template-columns:1fr}.diagram{width:calc(100vw - 24px)}.callout{padding:23px 21px}.compare{font-size:13px}.compare th,.compare td{display:block;width:100%}.compare th{border-bottom:0;padding-bottom:8px}.result{padding:36px 24px}.page-footer .shell{display:block}.page-footer span{display:block;margin-top:8px}}
@media print{.topbar{display:none}.hero{padding-top:0}.hero-grid{grid-template-columns:1fr 360px}.article-shell{display:block}.article{max-width:none}.diagram{width:100%;box-shadow:none;break-inside:avoid}.result{background:#fff;color:var(--ink);border:2px solid var(--deep);box-shadow:none}.result h2,.result p{color:var(--ink)}}