/* Shared Sergey Kaminov site layer — lightweight, framework-free. */
:root,
[data-theme="lab"]{
  --sk-bg:#03060A;--sk-bg-2:#070C12;--sk-panel:rgba(12,18,26,.72);--sk-panel-2:rgba(18,25,34,.88);
  --sk-line:rgba(201,143,74,.22);--sk-line-2:rgba(230,194,122,.36);--sk-text:#F0E8D8;--sk-muted:#AFA89A;
  --sk-dim:#746E64;--sk-bronze:#C98F4A;--sk-gold:#E6C27A;--sk-teal:#2E7C78;--sk-teal-2:#4FB3AD;
  color-scheme:dark;
}
[data-theme="paper"]{
  --sk-bg:#F3EBDD;--sk-bg-2:#E8DDC9;--sk-panel:rgba(255,248,235,.76);--sk-panel-2:rgba(244,236,224,.92);
  --sk-line:rgba(155,106,50,.24);--sk-line-2:rgba(155,106,50,.42);--sk-text:#17130D;--sk-muted:#5F574B;
  --sk-dim:#82776A;--sk-bronze:#9B6A32;--sk-gold:#9c6f2c;--sk-teal:#2E7C78;--sk-teal-2:#1f5e5a;
  color-scheme:light;
}
.sk-page{
  min-height:100vh;background:var(--sk-bg);color:var(--sk-text);font-family:Inter,system-ui,sans-serif;line-height:1.6;
  background-image:radial-gradient(900px 640px at 82% -10%, color-mix(in srgb,var(--sk-teal) 13%, transparent), transparent 62%),radial-gradient(780px 560px at 8% 112%, color-mix(in srgb,var(--sk-bronze) 12%, transparent), transparent 64%);
}
.sk-simple-nav{position:sticky;top:0;z-index:20;display:flex;justify-content:space-between;gap:18px;align-items:center;padding:18px clamp(18px,5vw,56px);background:color-mix(in srgb,var(--sk-bg) 78%,transparent);backdrop-filter:blur(14px);border-bottom:1px solid var(--sk-line)}
.sk-simple-nav a{color:inherit;text-decoration:none}.sk-simple-nav .brand{font-family:Fraunces,serif;font-size:1.1rem}.sk-simple-nav .links{display:flex;gap:18px;flex-wrap:wrap;color:var(--sk-muted);font-size:.86rem}
.sk-wrap{width:min(1120px,calc(100% - 36px));margin:0 auto}.sk-hero{padding:clamp(70px,11vw,130px) 0 52px}.sk-eyebrow{font-family:'JetBrains Mono',monospace;text-transform:uppercase;letter-spacing:.18em;color:var(--sk-bronze);font-size:.72rem}.sk-hero h1{font-family:Fraunces,serif;font-weight:380;font-size:clamp(2.7rem,7vw,6.6rem);line-height:.98;letter-spacing:-.035em;margin:.28em 0}.sk-lede{max-width:760px;color:var(--sk-muted);font-size:clamp(1.04rem,1.9vw,1.24rem)}
.sk-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:16px;margin:28px 0}.sk-card{border:1px solid var(--sk-line);background:var(--sk-panel);border-radius:22px;padding:24px;box-shadow:0 24px 70px rgba(0,0,0,.18)}.sk-card h2,.sk-card h3{font-family:Fraunces,serif;font-weight:420;line-height:1.08;margin:.2em 0 .5em}.sk-card p{color:var(--sk-muted);margin:.5em 0}.sk-card ul{padding-left:1.1em;color:var(--sk-muted)}.sk-card li{margin:.45em 0}.sk-tagrow{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}.sk-tagrow span{font-family:'JetBrains Mono',monospace;font-size:.64rem;letter-spacing:.08em;text-transform:uppercase;border:1px solid var(--sk-line);border-radius:999px;padding:5px 8px;color:var(--sk-bronze)}
.sk-section{padding:44px 0;border-top:1px solid var(--sk-line)}.sk-section h2{font-family:Fraunces,serif;font-weight:430;font-size:clamp(2rem,4.6vw,3.8rem);line-height:1.02;margin:0 0 14px}.sk-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}.sk-btn{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--sk-line-2);border-radius:999px;padding:11px 16px;color:var(--sk-text);text-decoration:none;background:color-mix(in srgb,var(--sk-panel) 82%,transparent)}.sk-btn.primary{background:linear-gradient(135deg,color-mix(in srgb,var(--sk-bronze) 26%,transparent),color-mix(in srgb,var(--sk-teal) 18%,transparent));border-color:var(--sk-line-2)}
.sk-note{font-size:.92rem;color:var(--sk-dim);border-left:2px solid var(--sk-bronze);padding-left:14px;margin-top:18px}.sk-footer{padding:44px 0 70px;color:var(--sk-dim);border-top:1px solid var(--sk-line);font-size:.9rem}