/* cliper.work — общий стиль SEO-страниц (калькулятор, блог, статьи) */
:root{--acc:#2563eb;--acc-soft:#eaf0ff;--ink:#0a0a0a;--muted:#5b5f6b;--border:#e7e8ee;--surface:#f6f7fb;--bg:#fff}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Gabarito',Tahoma,sans-serif;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased;line-height:1.6}
a{color:inherit;text-decoration:none}
.wrap{max-width:1080px;margin:0 auto;padding:0 22px}
.narrow{max-width:760px}
header{position:sticky;top:0;z-index:10;background:rgba(255,255,255,.86);backdrop-filter:blur(8px);border-bottom:1px solid var(--border)}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;letter-spacing:-.02em}
.brand img{width:28px;height:28px;border-radius:8px}
.nav-links{display:flex;align-items:center;gap:22px;font-weight:600;font-size:15px;color:var(--muted)}
.nav-links a:hover{color:var(--acc)}
.btn{display:inline-flex;align-items:center;gap:8px;font-weight:700;border-radius:12px;padding:13px 22px;font-size:15px;transition:transform .12s,background .15s;border:none;cursor:pointer}
.btn-primary{background:var(--acc);color:#fff}
.btn-primary:hover{transform:translateY(-1px)}
.btn-ghost{background:var(--surface);color:var(--ink);border:1px solid var(--border)}
@media(max-width:680px){.nav-links a.hide{display:none}}
.crumb{font-size:13px;color:var(--muted);padding:18px 0 0}
.crumb a:hover{color:var(--acc)}
.hero{padding:42px 0 24px}
.eyebrow{display:inline-block;font-weight:700;font-size:13px;letter-spacing:.04em;color:var(--acc);background:var(--acc-soft);border-radius:99px;padding:7px 14px;margin-bottom:18px}
h1{font-size:clamp(32px,5.5vw,52px);line-height:1.06;letter-spacing:-.03em;font-weight:900;max-width:20ch}
.lead{font-size:clamp(17px,2.4vw,20px);color:var(--muted);max-width:64ch;margin-top:18px}
.answer{background:var(--surface);border:1px solid var(--border);border-left:4px solid var(--acc);border-radius:14px;padding:22px 24px;margin:28px 0;font-size:16.5px;max-width:74ch}
.answer strong{color:var(--ink)}
section{padding:30px 0}
h2{font-size:clamp(23px,4vw,32px);line-height:1.14;letter-spacing:-.02em;font-weight:800;margin:6px 0 10px}
h3{font-size:20px;font-weight:700;margin:22px 0 6px}
.sub{color:var(--muted);max-width:62ch;margin-bottom:22px}
/* prose (articles) */
.prose p{margin:14px 0;font-size:17px;color:#23262e}
.prose ul,.prose ol{margin:14px 0 14px 22px}
.prose li{margin:8px 0;font-size:17px;color:#23262e}
.prose strong{color:var(--ink)}
.prose a{color:var(--acc);font-weight:600}
.prose a:hover{text-decoration:underline}
.note{background:var(--acc-soft);border-radius:12px;padding:16px 18px;font-size:15.5px;color:#1f2a44;margin:18px 0}
/* cards */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}
.card{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:24px;display:block}
a.card{transition:transform .12s,border-color .15s}
a.card:hover{transform:translateY(-2px);border-color:var(--acc)}
.card h3{font-size:18px;font-weight:700;margin:0 0 6px}
.card p{color:var(--muted);font-size:15px}
.card .tag{display:inline-block;font-size:12px;font-weight:700;color:var(--acc);background:var(--bg);border:1px solid var(--border);border-radius:99px;padding:4px 10px;margin-bottom:12px}
/* faq */
.faq{max-width:760px}
details{border:1px solid var(--border);border-radius:14px;padding:4px 20px;margin-bottom:12px;background:var(--bg)}
summary{font-weight:700;font-size:17px;padding:16px 0;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:12px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";color:var(--acc);font-weight:800;font-size:22px}
details[open] summary::after{content:"–"}
details p{color:var(--muted);font-size:15.5px;padding:0 0 18px}
/* calculator */
.calc{display:grid;grid-template-columns:1.1fr .9fr;gap:22px;align-items:start}
@media(max-width:820px){.calc{grid-template-columns:1fr}}
.calc-controls{background:var(--bg);border:1px solid var(--border);border-radius:18px;padding:26px}
.field{margin-bottom:22px}
.field label{display:flex;justify-content:space-between;align-items:baseline;font-weight:700;font-size:15px;margin-bottom:10px}
.field .val{color:var(--acc);font-weight:800;font-size:16px}
input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:6px;border-radius:99px;background:var(--border);outline:none}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:22px;height:22px;border-radius:50%;background:#fff;border:3px solid var(--acc);box-shadow:0 2px 10px rgba(37,99,235,.4);cursor:pointer}
.calc-result{background:var(--acc);color:#fff;border-radius:18px;padding:30px;position:sticky;top:80px}
.calc-result .big{font-size:clamp(34px,6vw,46px);font-weight:900;letter-spacing:-.02em;line-height:1.05}
.calc-result .cap{color:#cfe0ff;font-size:14px;font-weight:600;margin-bottom:6px}
.calc-result .row{display:flex;justify-content:space-between;border-top:1px solid rgba(255,255,255,.2);padding:14px 0;font-size:15px}
.calc-result .row span:last-child{font-weight:800}
.calc-result .btn-primary{background:#fff;color:var(--acc);width:100%;justify-content:center;margin-top:18px}
.band{background:var(--acc);border-radius:24px;padding:46px 32px;text-align:center;color:#fff;margin:24px 0 50px}
.band h2{color:#fff;margin:0}
.band p{color:#dce6ff;max-width:52ch;margin:10px auto 24px}
.band .btn-primary{background:#fff;color:var(--acc)}
footer{border-top:1px solid var(--border);padding:34px 0;color:var(--muted);font-size:14.5px}
.foot{display:flex;flex-wrap:wrap;gap:24px;justify-content:space-between;align-items:center}
.foot-links{display:flex;flex-wrap:wrap;gap:18px}
.foot-links a:hover{color:var(--acc)}