/* ============================================================
   Statrum Blog — Shared Stylesheet
   Design: dark #0a0a0c + lime #d4ff4a
   Version: 2026-05-21
   ============================================================ */

/* ── RESET & TOKENS ──────────────────────────────────────────── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#0a0a0c;--bg-2:#0c0c10;--bg-3:#101015;
  --line:#1a1a22;--line-2:#232329;
  --text:#e4e4e8;--text-2:#9a9aa4;--text-3:#6e6e7a;--mute:#5a5a64;
  --lime:#d4ff4a;--lime-dim:rgba(212,255,74,0.08);--lime-glow:rgba(212,255,74,0.18);
  --r-sm:8px;--r-md:12px;--r-lg:18px;--r-xl:24px;
  --font:'Inter Tight',-apple-system,BlinkMacSystemFont,system-ui,sans-serif
}
html,body{background:var(--bg);color:var(--text);font-family:var(--font);-webkit-font-smoothing:antialiased;line-height:1.55;overflow-x:hidden}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}

/* ── NAV (floating pill) ─────────────────────────────────────── */
.nav{position:fixed;top:16px;left:50%;transform:translateX(-50%);z-index:100;display:flex;align-items:center;gap:6px;background:rgba(10,10,12,0.72);backdrop-filter:blur(20px) saturate(140%);-webkit-backdrop-filter:blur(20px) saturate(140%);border:1px solid rgba(255,255,255,0.08);border-radius:999px;padding:7px 10px 7px 18px;box-shadow:0 12px 40px rgba(0,0,0,0.45);width:min(1000px,calc(100% - 24px))}
.nav-brand{display:inline-flex;align-items:center;gap:9px;margin-right:18px;padding-right:18px;border-right:1px solid rgba(255,255,255,0.08);color:#fff;font-weight:800;font-size:15px;letter-spacing:-.01em}
.nav-brand-mark{width:28px;height:28px;border-radius:7px;background:#161616;display:inline-flex;align-items:center;justify-content:center}
.nav-links{display:flex;align-items:center;gap:2px}
.nav-link{padding:8px 14px;font-size:13.5px;font-weight:500;color:var(--text-2);border-radius:999px;transition:color .15s,background .15s}
.nav-link:hover{color:#fff;background:rgba(255,255,255,0.04)}
.nav-cta-wrap{margin-left:auto;display:flex;align-items:center;gap:8px}
.nav-login{padding:8px 14px;font-size:13.5px;font-weight:600;color:var(--text-2);transition:color .15s}
.nav-login:hover{color:#fff}
.nav-tariff{display:inline-flex;align-items:center;gap:6px;padding:9px 18px;background:var(--lime);color:#0c0c0e;border-radius:999px;font-size:13px;font-weight:800;letter-spacing:.01em;border:none;box-shadow:0 0 18px rgba(212,255,74,.30);transition:transform .15s,box-shadow .2s}
.nav-tariff:hover{transform:translateY(-1px);box-shadow:0 0 26px rgba(212,255,74,.45)}
@media(max-width:760px){.nav-link,.nav-login{display:none}}

/* ── LAYOUT ──────────────────────────────────────────────────── */
.container{width:100%;max-width:960px;margin:0 auto;padding:0 24px}
.page-body{padding-top:110px;padding-bottom:100px}
/* sidebar layout (CRM) */
.page-grid{display:grid;grid-template-columns:1fr 240px;gap:52px;align-items:start;margin-top:48px}
@media(max-width:740px){.page-grid{grid-template-columns:1fr}.sidebar{display:none}}
/* content+toc layout (vse-dannye) */
.content-grid{display:grid;grid-template-columns:1fr 240px;gap:52px;align-items:start;margin-top:48px}
@media(max-width:740px){.content-grid{grid-template-columns:1fr}.toc-wrap{display:none}}

/* ── BREADCRUMB ──────────────────────────────────────────────── */
.bc{display:flex;align-items:center;gap:7px;font-size:12.5px;color:var(--text-3);flex-wrap:wrap}
.bc a{color:var(--text-3);transition:color .15s}
.bc a:hover{color:var(--lime)}
.bc-sep{color:var(--mute)}

/* ── HERO ────────────────────────────────────────────────────── */
.art-hero{margin-top:28px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:11.5px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--lime);padding:5px 14px;border-radius:999px;background:var(--lime-dim);border:1px solid var(--lime-glow);margin-bottom:20px}
.eyebrow i{width:6px;height:6px;border-radius:999px;background:var(--lime);box-shadow:0 0 8px var(--lime)}
.art-h1{font-size:clamp(26px,3.8vw,40px);font-weight:800;letter-spacing:-.035em;line-height:1.12;color:#fff;margin-bottom:20px}
.art-meta{display:flex;align-items:center;gap:14px;font-size:13px;color:var(--text-3);margin-bottom:32px;flex-wrap:wrap}
.art-meta time{color:var(--text-2)}
.art-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--mute)}

/* ── COVER IMAGE ─────────────────────────────────────────────── */
.art-cover{border-radius:var(--r-xl);overflow:hidden;background:var(--bg-3);margin-bottom:8px;border:1px solid var(--line)}
.art-cover img{width:100%;height:auto;display:block}
figcaption{font-size:12px;color:var(--text-3);margin-top:8px;text-align:center}

/* ── BLUF ────────────────────────────────────────────────────── */
.bluf{background:var(--bg-3);border:1px solid var(--line-2);border-left:2px solid var(--lime);border-radius:0 var(--r-md) var(--r-md) 0;padding:18px 22px;margin-bottom:36px}
.bluf p{margin:0;font-size:15px;color:var(--text);line-height:1.65}

/* ── STAT ROW ────────────────────────────────────────────────── */
.stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:28px 0 36px}
@media(max-width:580px){.stat-row{grid-template-columns:1fr}}
.stat-card{background:var(--bg-3);border:1px solid var(--line);border-radius:var(--r-lg);padding:18px 20px}
.stat-card .num{font-size:32px;font-weight:800;color:var(--lime);letter-spacing:-.04em;line-height:1}
.stat-card .lbl{font-size:12px;color:var(--text-3);margin-top:7px;line-height:1.45}

/* ── ARTICLE BODY ────────────────────────────────────────────── */
.art-body{font-size:16px;line-height:1.78;color:var(--text-2)}
.art-body p{margin-bottom:22px}
.art-body h2{font-size:21px;font-weight:800;color:#fff;letter-spacing:-.025em;line-height:1.2;margin:48px 0 16px}
.art-body h3{font-size:16px;font-weight:700;color:var(--text);margin:28px 0 10px}
.art-body ul,.art-body ol{margin:0 0 22px 22px}
.art-body li{margin-bottom:9px}
.art-body strong{color:var(--text);font-weight:700}
.art-body a{color:var(--lime);text-decoration:underline;text-underline-offset:3px;text-decoration-color:rgba(212,255,74,.35)}
.art-body a:hover{text-decoration-color:var(--lime)}
.art-body blockquote{border-left:2px solid var(--lime);padding:14px 20px;background:linear-gradient(135deg,rgba(212,255,74,.05),transparent);border-radius:0 var(--r-md) var(--r-md) 0;margin:28px 0;font-style:italic;color:var(--text);font-size:15px}

/* ── SCENARIO CARDS ──────────────────────────────────────────── */
.scenario{background:linear-gradient(180deg,rgba(255,255,255,0.03),rgba(255,255,255,0.01));border:1px solid var(--line);border-radius:var(--r-lg);padding:20px 22px;margin-bottom:12px;transition:border-color .2s}
.scenario:hover{border-color:rgba(212,255,74,.18)}
.scenario-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:8px;display:flex;align-items:center;gap:9px}
.s-ico{width:24px;height:24px;background:var(--lime-dim);border-radius:7px;display:flex;align-items:center;justify-content:center;font-size:13px;flex-shrink:0;border:1px solid var(--lime-glow)}
.scenario p{font-size:14px;color:var(--text-2);margin:0;line-height:1.6}

/* ── COMPARE TABLE ───────────────────────────────────────────── */
.compare-wrap{overflow-x:auto;margin:28px 0}
.compare-table{width:100%;border-collapse:collapse;font-size:14px}
.compare-table th{background:var(--bg-3);color:var(--text);font-weight:700;padding:12px 16px;text-align:left;border-bottom:1px solid var(--line-2)}
.compare-table td{padding:11px 16px;border-bottom:1px solid var(--line);color:var(--text-2);vertical-align:top}
.compare-table tr:last-child td{border-bottom:none}
.compare-table .bad{color:#f87171}
.compare-table .good{color:var(--lime)}

/* ── FEATURE GRID ────────────────────────────────────────────── */
.feat-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:24px 0 32px}
@media(max-width:520px){.feat-grid{grid-template-columns:1fr}}
.feat-card{background:linear-gradient(180deg,rgba(255,255,255,0.03),rgba(255,255,255,0.01));border:1px solid var(--line);border-radius:var(--r-lg);padding:20px 22px;transition:border-color .2s,transform .2s}
.feat-card:hover{border-color:rgba(212,255,74,.2);transform:translateY(-2px)}
.feat-icon{font-size:22px;margin-bottom:12px}
.feat-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:7px}
.feat-desc{font-size:13px;color:var(--text-2);line-height:1.55}

/* ── TOC SIDEBAR ─────────────────────────────────────────────── */
.toc-wrap{position:sticky;top:80px}
.toc{background:var(--bg-3);border:1px solid var(--line);border-radius:var(--r-lg);padding:20px}
.toc-ttl{font-size:11px;font-weight:700;color:var(--text-3);letter-spacing:.1em;text-transform:uppercase;margin-bottom:14px}
.toc nav{display:flex;flex-direction:column;gap:1px}
.toc a{font-size:13px;color:var(--text-2);padding:6px 10px;border-radius:8px;transition:background .1s,color .1s;line-height:1.4}
.toc a:hover{background:var(--lime-dim);color:#fff}

/* ── INTERNAL LINK ───────────────────────────────────────────── */
.ilink{display:inline-flex;align-items:center;gap:7px;background:var(--bg-3);border:1px solid var(--line);border-radius:var(--r-md);padding:9px 15px;font-size:13px;color:var(--lime);margin:4px 0;transition:border-color .15s,background .15s}
.ilink:hover{background:var(--lime-dim);border-color:var(--lime-glow)}

/* ── CTA BLOCK ───────────────────────────────────────────────── */
.cta-block{background:linear-gradient(135deg,rgba(212,255,74,.07),rgba(212,255,74,.03));border:1px solid rgba(212,255,74,.18);border-radius:var(--r-xl);padding:32px;margin:48px 0;text-align:center;position:relative;overflow:hidden}
.cta-block::before{content:'';position:absolute;top:-60px;right:-60px;width:200px;height:200px;background:radial-gradient(circle,rgba(212,255,74,.15),transparent 70%);border-radius:50%;pointer-events:none}
.cta-block h3{font-size:21px;font-weight:800;color:#fff;letter-spacing:-.025em;margin-bottom:10px}
.cta-block p{font-size:14px;color:var(--text-2);margin-bottom:24px;max-width:460px;margin-left:auto;margin-right:auto}
.cta-btn{display:inline-flex;align-items:center;gap:8px;background:var(--lime);color:#0c0c0e;font-weight:800;font-size:14px;padding:13px 26px;border-radius:999px;box-shadow:0 0 22px rgba(212,255,74,.30);transition:transform .15s,box-shadow .2s}
.cta-btn:hover{transform:translateY(-1px);box-shadow:0 0 32px rgba(212,255,74,.45)}

/* ── FAQ ─────────────────────────────────────────────────────── */
.faq{margin:12px 0}
.faq details{border:1px solid var(--line);border-radius:var(--r-md);margin-bottom:8px;background:var(--bg-3);transition:border-color .2s}
.faq details[open]{border-color:var(--line-2)}
.faq summary{padding:16px 18px;font-size:15px;font-weight:600;color:var(--text);cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:12px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:'＋';font-size:16px;color:var(--lime);flex-shrink:0}
.faq details[open] summary::after{content:'－'}
.faq-body{padding:0 18px 16px;font-size:14px;color:var(--text-2);line-height:1.7}

/* ── SOURCES ─────────────────────────────────────────────────── */
.sources{margin-top:48px;padding-top:24px;border-top:1px solid var(--line)}
.sources p{font-size:12px;color:var(--text-3);line-height:1.8}
.sources a{color:var(--text-2);text-decoration:underline;text-underline-offset:2px}
.sources a:hover{color:var(--lime)}

/* ── FOOTER ──────────────────────────────────────────────────── */
.footer{border-top:1px solid rgba(255,255,255,.06);padding:48px 0 32px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px;align-items:start}
@media(max-width:640px){.footer-grid{grid-template-columns:1fr}}
.footer-brand b{font-size:17px;color:#fff;letter-spacing:-.02em}
.footer-brand p{font-size:13px;color:var(--text-3);margin:10px 0 0;max-width:280px;line-height:1.55}
.footer-col-title{font-size:11px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--text-3);margin:0 0 14px}
.footer-col a{display:block;padding:4px 0;font-size:13px;color:var(--text-2);transition:color .15s}
.footer-col a:hover{color:var(--lime)}
.footer-bar{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px;margin-top:40px;padding-top:22px;border-top:1px solid rgba(255,255,255,.06);font-size:12px;color:var(--text-3)}
.footer-bar a{color:var(--text-2);transition:color .15s}
.footer-bar a:hover{color:var(--lime)}