/* ═══════════════════════════════════════════════
   БУХЛИК — единая таблица стилей
   ═══════════════════════════════════════════════ */
*{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#F7F5F2;--card:#FFFFFF;--dark:#1B1B18;--text:#3A3A36;--muted:#8C8A84;
  --accent:#D35F2B;--accent2:#E8854A;--accent-bg:rgba(211,95,43,0.06);
  --accent-border:rgba(211,95,43,0.18);--green:#2D8A4E;--green-bg:rgba(45,138,78,0.06);
  --blue:#2B6CB0;--blue-bg:rgba(43,108,176,0.06);
  --border:#E8E6E1;--radius:14px;--shadow:0 2px 16px rgba(0,0,0,0.06);
}
html{scroll-behavior:smooth}
body{font-family:'Manrope',system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text);line-height:1.55;-webkit-font-smoothing:antialiased}

/* ── NAV ── */
.topbar{background:var(--dark);color:#fff;overflow-x:auto;-webkit-overflow-scrolling:touch;position:sticky;top:0;z-index:100}
.topbar::-webkit-scrollbar{height:0}
.topbar-inner{max-width:1100px;margin:0 auto;display:flex;align-items:center;padding:0 20px;min-height:48px}
.topbar .brand{font-weight:800;font-size:15px;color:var(--accent2);margin-right:20px;white-space:nowrap;letter-spacing:-.3px;display:flex;align-items:center;gap:7px;text-decoration:none}
.topbar .brand img{width:28px;height:28px;border-radius:6px}
.nav-links{display:flex;flex-wrap:nowrap}
@media(min-width:961px){.nav-links{flex:1;justify-content:space-between}}
.nav-links a{color:rgba(255,255,255,.6);font-size:12px;font-weight:600;padding:14px 10px;white-space:nowrap;text-decoration:none;transition:color .15s}
.nav-links a:hover{color:#fff}
.nav-links a.active{border-bottom:2px solid var(--accent2);color:var(--accent2)}

/* ── HERO ── */
.hero{max-width:1100px;margin:0 auto;padding:40px 20px 0;text-align:center}
.hero-sub{font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin-bottom:10px}
.hero h1{font-size:clamp(24px,4.2vw,38px);font-weight:800;color:var(--dark);line-height:1.15;margin-bottom:12px;letter-spacing:-.5px}
.hero p{font-size:15px;color:var(--muted);max-width:560px;margin:0 auto 32px}

/* ── LAYOUT ── */
.container{max-width:760px;margin:0 auto;padding:0 20px}
.container-wide{max-width:1000px;margin:0 auto;padding:0 20px}
.tool{max-width:760px;margin:0 auto 40px;padding:0 20px}

/* ── INPUTS ── */
.input-wrap{position:relative}
.main-input{width:100%;padding:18px 22px;font-family:inherit;font-size:22px;font-weight:700;color:var(--dark);background:var(--card);border:2px solid var(--border);border-radius:var(--radius);outline:none;transition:border-color .2s,box-shadow .2s}
.main-input:focus{border-color:var(--accent);box-shadow:0 0 0 4px rgba(211,95,43,.1)}
.main-input::placeholder{color:var(--muted);font-weight:400;font-size:16px}
.main-input.with-curr{padding-right:120px}
.input-curr{position:absolute;right:8px;top:50%;transform:translateY(-50%);display:flex;gap:4px}
.curr-btn{padding:8px 12px;border:1.5px solid var(--border);border-radius:8px;background:var(--bg);font-family:inherit;font-size:12px;font-weight:600;color:var(--muted);cursor:pointer;transition:all .15s}
.curr-btn.active{background:var(--accent);color:#fff;border-color:var(--accent)}
.curr-btn:hover:not(.active){border-color:var(--accent);color:var(--accent)}
.input-hint{font-size:12px;color:var(--muted);margin-top:8px;text-align:center}

.field{margin-bottom:14px}
.field-label{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin-bottom:6px;display:block}
.field-input,.field-select{width:100%;padding:12px 16px;font-family:inherit;font-size:16px;font-weight:600;color:var(--dark);background:var(--card);border:1.5px solid var(--border);border-radius:10px;outline:none;transition:border-color .15s;-webkit-appearance:none;appearance:none}
.field-input:focus,.field-select:focus{border-color:var(--accent)}
.field-input::placeholder{color:var(--muted);font-weight:400}
.field-select{cursor:pointer;background-image:url("data:image/svg+xml,%3Csvg width='10' height='6' viewBox='0 0 10 6' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1L5 5L9 1' stroke='%238C8A84' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;padding-right:36px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.row3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px}

/* ── BUTTONS / TOGGLES ── */
.btn-group{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}
.toggle-btn{padding:9px 16px;border:1.5px solid var(--border);border-radius:9px;background:var(--card);font-family:inherit;font-size:13px;font-weight:600;color:var(--muted);cursor:pointer;transition:all .15s}
.toggle-btn.active{background:var(--accent);color:#fff;border-color:var(--accent)}
.toggle-btn:hover:not(.active){border-color:var(--accent);color:var(--accent)}

.checkbox-row{display:flex;align-items:center;gap:10px;margin-bottom:12px;cursor:pointer;font-size:14px;color:var(--text)}
.checkbox-row input{width:18px;height:18px;accent-color:var(--accent);cursor:pointer}

/* ── RESULTS ── */
.results{display:none}
.results.show{display:block;animation:fadeUp .25s ease}
@keyframes fadeUp{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
.result-group{margin-bottom:24px}
.result-group-title{font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--accent);margin-bottom:10px;padding-left:2px}
.result-card{background:var(--card);border:1.5px solid var(--border);border-radius:var(--radius);margin-bottom:8px;display:flex;align-items:stretch;overflow:hidden;box-shadow:var(--shadow);transition:border-color .15s}
.result-card:hover{border-color:var(--accent-border)}
.result-body{flex:1;padding:14px 18px;font-size:15px;color:var(--text);line-height:1.5;word-break:break-word}
.result-body strong{font-weight:700;color:var(--dark)}
.result-body .label{font-size:11px;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.05em;display:block;margin-bottom:4px}
.copy-btn{background:var(--bg);border:none;border-left:1.5px solid var(--border);padding:0 18px;cursor:pointer;display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:13px;font-weight:600;font-family:inherit;transition:all .15s;min-width:56px;flex-shrink:0}
.copy-btn:hover{background:var(--accent);color:#fff}
.copy-btn.copied{background:var(--green);color:#fff}

/* ── BIG RESULT ── */
.big-result{background:var(--card);border:1.5px solid var(--accent-border);border-radius:var(--radius);padding:24px;text-align:center;box-shadow:var(--shadow);margin-bottom:8px}
.big-result .br-label{font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin-bottom:8px}
.big-result .br-value{font-size:34px;font-weight:800;color:var(--accent);letter-spacing:-.5px;line-height:1.1}
.big-result .br-sub{font-size:13px;color:var(--muted);margin-top:8px}

/* ── TABLE ── */
.calc-table{width:100%;border-collapse:collapse;background:var(--card);border:1.5px solid var(--border);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);font-size:14px}
.calc-table th{background:var(--bg);padding:12px 16px;text-align:left;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);border-bottom:1.5px solid var(--border)}
.calc-table td{padding:12px 16px;border-bottom:1px solid var(--border)}
.calc-table tr:last-child td{border-bottom:none}
.calc-table td:last-child,.calc-table th:last-child{text-align:right;font-weight:600;color:var(--dark)}
.calc-table tr.total td{background:var(--accent-bg);font-weight:700;color:var(--dark)}

/* ── INFO BOX ── */
.info-box{background:var(--blue-bg);border:1px solid rgba(43,108,176,.2);border-radius:10px;padding:14px 18px;font-size:13px;color:var(--text);line-height:1.6;margin-bottom:16px}
.info-box strong{color:var(--blue)}
.warn-box{background:#FFF8E6;border:1px solid #F0D080;border-radius:10px;padding:14px 18px;font-size:13px;color:#7A5C00;line-height:1.6;margin-bottom:16px}

/* ── BARS (progressive viz) ── */
.bars{display:flex;flex-direction:column;gap:8px;margin:16px 0}
.bar-item{display:flex;align-items:center;gap:12px}
.bar-label{font-size:13px;font-weight:600;color:var(--text);min-width:54px}
.bar-track{flex:1;height:28px;background:var(--bg);border-radius:6px;overflow:hidden;position:relative}
.bar-fill{height:100%;border-radius:6px;transition:width .4s ease;display:flex;align-items:center;padding-left:10px;font-size:12px;font-weight:600;color:#fff;white-space:nowrap}

/* ── SECTION DIVIDER ── */
.section-divider{border:none;border-top:1px solid var(--border);margin:40px auto 36px;max-width:760px}
.section-title{font-size:20px;font-weight:800;color:var(--dark);margin-bottom:6px;text-align:center;letter-spacing:-.3px}
.section-desc{font-size:14px;color:var(--muted);text-align:center;margin-bottom:20px}

/* ── TOOLS GRID (homepage links) ── */
.tools-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px;margin:20px 0}
.tool-link{background:var(--card);border:1.5px solid var(--border);border-radius:var(--radius);padding:18px 20px;text-decoration:none;transition:all .18s;display:block}
.tool-link:hover{border-color:var(--accent);transform:translateY(-2px);box-shadow:var(--shadow)}
.tool-link .tl-title{font-size:15px;font-weight:700;color:var(--dark);margin-bottom:4px}
.tool-link .tl-desc{font-size:13px;color:var(--muted);line-height:1.5}

/* ── SEO ── */
.seo{max-width:900px;margin:0 auto;padding:40px 20px 0;border-top:1px solid var(--border)}
.seo h2{font-size:17px;font-weight:800;color:var(--dark);text-align:center;margin-bottom:24px;letter-spacing:-.2px}
.seo-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.seo-grid h3{font-size:13px;font-weight:700;color:var(--accent);margin-bottom:8px}
.seo-grid p{font-size:13px;color:var(--muted);line-height:1.6}
.seo-text{max-width:760px;margin:0 auto;padding:30px 20px 0}
.seo-text h2{font-size:18px;font-weight:800;color:var(--dark);margin:24px 0 10px}
.seo-text h3{font-size:15px;font-weight:700;color:var(--dark);margin:18px 0 8px}
.seo-text p{font-size:14px;color:var(--text);line-height:1.7;margin-bottom:10px}
.seo-text ul{margin:0 0 12px 20px}
.seo-text li{font-size:14px;color:var(--text);line-height:1.7;margin-bottom:4px}

/* ── FAQ ── */
.faq{max-width:760px;margin:0 auto;padding:20px}
.faq-h{font-size:20px;font-weight:800;color:var(--dark);text-align:center;margin-bottom:8px;letter-spacing:-.3px}
.faq-item{border-bottom:1px solid var(--border);padding:16px 0}
.faq-q{font-size:15px;font-weight:700;color:var(--dark);margin-bottom:6px}
.faq-a{font-size:14px;color:var(--muted);line-height:1.6}
.faq-a a{color:var(--accent);text-decoration:none}

/* ── FOOTER ── */
footer{background:var(--dark);color:rgba(255,255,255,.7);margin-top:50px;padding:36px 20px 30px}
.footer-inner{max-width:1000px;margin:0 auto}
.footer-brand{font-size:18px;font-weight:800;color:var(--accent2);margin-bottom:14px}
.footer-cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:24px;margin-bottom:24px}
.footer-cols h4{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:rgba(255,255,255,.4);margin-bottom:10px}
.footer-cols a{display:block;color:rgba(255,255,255,.7);font-size:13px;text-decoration:none;padding:3px 0;transition:color .15s}
.footer-cols a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:18px;font-size:12px;color:rgba(255,255,255,.5);line-height:1.7}

/* ── RESPONSIVE ── */
@media(max-width:640px){
  .topbar-inner{padding:0 12px}
  .nav-links a{padding:12px 8px;font-size:11px}
  .hero{padding:28px 16px 0}
  .hero h1{font-size:23px}
  .hero p{font-size:14px}
  .main-input{font-size:16px;padding:14px 16px}
  .main-input::placeholder{font-size:14px}
  .main-input.with-curr{padding-right:98px}
  .input-curr{right:6px;gap:3px}
  .curr-btn{padding:6px 9px;font-size:11px}
  .field-input,.field-select{font-size:15px;padding:11px 14px}
  .field-input::placeholder{font-size:13.5px}
  .field-label{font-size:10.5px}
  .row2,.row3{grid-template-columns:1fr}
  .seo-grid{grid-template-columns:1fr}
  .big-result{padding:18px 16px}
  .big-result .br-value{font-size:26px}
  .container,.tool,.seo-text{padding-left:14px;padding-right:14px}
  .result-body{padding:12px 14px;font-size:14px}
  .copy-btn{min-width:48px;padding:0 12px;font-size:12px}
  .calc-table{font-size:13px}
  .calc-table th,.calc-table td{padding:10px 12px}
  .toggle-btn{padding:8px 13px;font-size:12.5px}
}

/* ═══ ПЛАШКА АКТУАЛЬНОСТИ ═══ */
.actuality{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;color:var(--green);background:var(--green-bg);border:1px solid rgba(45,138,78,.25);border-radius:20px;padding:6px 14px;margin-bottom:18px}
.act-dot{width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 0 3px rgba(45,138,78,.18);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.5}}