/* Стили статей «Полезное». Общие переменные — как на главной. */
:root{
  --green:#1ab248;
  --green-deep:#0b5f31;
  --btn:#006c36;
  --btn-hover:#0b5f31;
  --tint:#f1faf4;
  --tint-2:#e6f6ec;
  --ink:#1d2321;
  --muted:#525252;
  --line:#e2e9e5;
  --white:#fff;
  --shadow:0 10px 30px rgba(16,54,34,.08);
  --radius:18px;
  --wrap:1120px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--white);color:var(--ink);
  font:16px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--green-deep)}
a:hover{color:var(--btn-hover)}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}

/* ---------- шапка ---------- */
.top{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.top__in{display:flex;align-items:center;gap:16px;justify-content:space-between;height:68px}
.top__logo{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--ink);text-decoration:none;letter-spacing:-.02em}
.top__logo b{color:var(--green-deep)}
.top__logo span{font-size:13px;font-weight:600;color:var(--muted);display:block}
.top__nav{display:flex;align-items:center;gap:18px;font-size:15px}
.top__nav a{color:var(--ink);text-decoration:none}
.top__nav a:hover{color:var(--green-deep)}
.top__phone{font-weight:700;white-space:nowrap}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:12px 22px;
  border-radius:12px;background:var(--btn);color:#fff;font-weight:700;text-decoration:none;border:0;cursor:pointer;
  transition:background .2s ease,transform .2s ease}
.btn:hover{background:var(--btn-hover);color:#fff;transform:translateY(-1px)}
.btn--ghost{background:#fff;color:var(--green-deep);border:1.5px solid var(--green-deep)}
.btn--ghost:hover{background:var(--tint);color:var(--green-deep)}
.btn--sm{min-height:40px;padding:8px 16px;font-size:15px;border-radius:10px}

/* ---------- хлебные крошки ---------- */
.crumbs{font-size:14px;color:var(--muted);padding:18px 0 0}
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:6px;margin:0;padding:0}
.crumbs li+li::before{content:"/";margin-right:6px;color:#b9c7bf}
.crumbs a{color:var(--muted);text-decoration:none}
.crumbs a:hover{color:var(--green-deep);text-decoration:underline}

/* ---------- статья ---------- */
.article{padding:18px 0 40px}
.article__head{max-width:820px}
.article__kicker{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;
  color:var(--green-deep);background:var(--tint);border-radius:999px;padding:6px 12px;margin-bottom:14px}
.article h1{margin:0 0 14px;font-size:clamp(28px,4.2vw,46px);line-height:1.12;letter-spacing:-.03em;font-weight:800}
.article__meta{color:var(--muted);font-size:15px;margin:0 0 22px}
.article__lead{font-size:clamp(17px,2vw,20px);line-height:1.6;color:#2c3531;margin:0 0 26px;max-width:820px}

.article__body{max-width:720px;font-size:18px;line-height:1.65}
.article__body h2{margin:38px 0 14px;font-size:clamp(22px,2.6vw,30px);line-height:1.2;letter-spacing:-.02em;font-weight:800}
.article__body h3{margin:26px 0 10px;font-size:clamp(18px,2vw,22px);line-height:1.3;font-weight:700}
.article__body p{margin:0 0 16px}
.article__body ul,.article__body ol{margin:0 0 18px;padding-left:22px}
.article__body li{margin:0 0 8px}
.article__body li::marker{color:var(--green-deep)}
.article__body strong{font-weight:700}
.article__body a{text-decoration:underline;text-underline-offset:2px}
.article__body blockquote{margin:22px 0;padding:16px 20px;background:var(--tint);border-left:4px solid var(--green);
  border-radius:0 12px 12px 0;color:#2c3531}
.article__body blockquote p:last-child{margin-bottom:0}
.article__body code{background:var(--tint-2);padding:2px 6px;border-radius:6px;font-size:.92em}
.article__body .table-scroll{max-width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch}
.article__body .table-scroll:focus-visible{outline:3px solid var(--green-deep);outline-offset:4px;border-radius:6px}
.article__body table{width:100%;border-collapse:collapse;margin:20px 0;font-size:16px}
.article__body th,.article__body td{border-bottom:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top}
.article__body th{background:var(--tint);font-weight:700}
.article__body figcaption{font-size:14px;color:var(--muted);margin-top:8px}

/* оглавление */
.toc{margin:0 0 30px;padding:18px 20px;border:1px solid var(--line);border-radius:14px;background:#fcfdfc;max-width:720px}
.toc b{display:block;font-size:14px;letter-spacing:.04em;text-transform:uppercase;color:var(--muted);margin-bottom:10px}
.toc ol{margin:0;padding-left:20px;font-size:15px}
.toc li{margin:0 0 6px}
.toc a{text-decoration:none;color:var(--ink)}
.toc a:hover{color:var(--green-deep);text-decoration:underline}

/* врезка-заметка */
.note{margin:24px 0;padding:16px 18px;border-radius:14px;background:#fff8e6;border:1px solid #f0dca8}
.note b{display:block;margin-bottom:6px}
.note p:last-child{margin-bottom:0}

/* FAQ */
.faq{margin:36px 0 0;max-width:720px}
.faq h2{margin-top:0}
.faq details{border:1px solid var(--line);border-radius:12px;padding:0 16px;margin-bottom:10px;background:#fff}
.faq details[open]{background:#fcfdfc}
.faq summary{cursor:pointer;padding:14px 0;font-weight:700;list-style:none;position:relative;padding-right:28px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:0;top:12px;font-size:22px;color:var(--green-deep);line-height:1}
.faq details[open] summary::after{content:"–"}
.faq .faq__a{padding:0 0 14px;color:#2c3531}

/* CTA */
.cta{margin:44px 0 0;padding:26px;border-radius:var(--radius);background:var(--tint);border:1px solid #d7ecdf;max-width:820px}
.cta h2{margin:0 0 8px;font-size:clamp(20px,2.4vw,26px)}
.cta p{margin:0 0 16px;color:#2c3531}
.cta__row{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.cta__phone{font-weight:700;color:var(--ink);text-decoration:none}

/* читайте также */
.more{margin:48px 0 0;padding-top:26px;border-top:1px solid var(--line)}
.more h2{margin:0 0 18px;font-size:22px}
.more__grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px}
.more__card{display:block;padding:16px;border:1px solid var(--line);border-radius:14px;text-decoration:none;color:var(--ink);background:#fff;transition:box-shadow .2s ease,border-color .2s ease}
.more__card:hover{border-color:#bfe3cd;box-shadow:var(--shadow);color:var(--ink)}
.more__card .more__t{display:block;margin:0 0 6px;font-size:16px;line-height:1.35;font-weight:700}
.more__card span{color:var(--muted);font-size:14px}

/* хаб «Полезное» */
.hub{padding:20px 0 50px}
.hub h1{margin:0 0 10px;font-size:clamp(28px,4vw,44px);letter-spacing:-.03em;line-height:1.12}
.hub__lead{font-size:18px;color:#2c3531;max-width:760px;margin:0 0 28px}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:18px}
.card{display:flex;flex-direction:column;padding:22px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;text-decoration:none;color:var(--ink);transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease}
.card:hover{box-shadow:var(--shadow);transform:translateY(-2px);border-color:#bfe3cd;color:var(--ink)}
.card__tag{font-size:12px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--green-deep);margin-bottom:10px}
.card .card__t{font-size:19px;line-height:1.3;margin:0 0 8px;letter-spacing:-.01em;font-weight:700}
.card p{margin:0;color:var(--muted);font-size:15px}
.card__time{margin-top:14px;font-size:13px;color:var(--muted)}

/* подвал */
.foot{margin-top:52px;background:#0f1a14;color:#cfe0d6;padding:34px 0}
.foot__in{display:flex;flex-wrap:wrap;gap:20px;justify-content:space-between;align-items:flex-start}
.foot a{color:#fff;text-decoration:none}
.foot a:hover{text-decoration:underline}
.foot p{margin:6px 0 0;font-size:14px;color:#9db3a7}
.foot__links{display:flex;flex-wrap:wrap;gap:16px;font-size:15px}

.skip{position:absolute;left:-9999px;top:0;background:var(--green-deep);color:#fff;padding:10px 16px;border-radius:0 0 10px 0;z-index:100}
.skip:focus{left:0}

@media (max-width:760px){
  .article__body .table-scroll{border:1px solid var(--line);border-radius:12px}
  .article__body table{min-width:520px;margin:0}
  .top__nav{display:none}
  .article__body{font-size:16px}
  .cta{padding:20px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
}

/* --- инфографика (HTML-схемы в статьях) --- */
.fig{margin:30px 0;padding:0}
.fig__cap{margin:12px 0 0;font-size:13px;line-height:1.5;color:var(--muted)}
.fig__t{display:block;margin-bottom:12px;font-size:13px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--green-deep)}
.flow{display:grid;gap:10px;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));margin:0;padding:0;list-style:none}
.flow__s{position:relative;padding:16px 16px 14px;border:1px solid var(--line);border-radius:14px;background:#f6faf7}
.flow__n{display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;margin-bottom:10px;border-radius:50%;background:var(--green-deep);color:#fff;font-size:13px;font-weight:700}
.flow__s b{display:block;margin-bottom:4px;font-size:15px;line-height:1.35}
.flow__s span{font-size:14px;line-height:1.45;color:var(--muted)}
.chain{display:flex;flex-wrap:wrap;align-items:stretch;gap:8px;margin:0;padding:0;list-style:none}
.chain__s{flex:1 1 150px;padding:14px;border:1px solid var(--line);border-radius:12px;background:#f6faf7;font-size:14px;line-height:1.45}
.chain__s b{display:block;margin-bottom:4px;font-size:15px}
.chain__s em{display:block;margin-top:6px;font-style:normal;font-size:13px;color:var(--green-deep);font-weight:700}
.chain__a{display:flex;align-items:center;justify-content:center;flex:0 0 auto;color:var(--green-deep);font-size:20px;font-weight:700}
.formula{display:grid;gap:8px;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));align-items:stretch;margin:0}
.formula__p{padding:14px;border:1px dashed #bfe3cd;border-radius:12px;background:#fbfefc;font-size:14px;line-height:1.4}
.formula__p b{display:block;font-size:15px;margin-bottom:3px}
.formula__p i{font-style:normal;color:var(--muted);font-size:13px}
.formula__sum{grid-column:1/-1;margin-top:4px;padding:14px 16px;border-radius:12px;background:var(--green-deep);color:#fff;font-size:15px;font-weight:700}
.layers{display:grid;gap:6px;margin:0;padding:0;list-style:none}
.layers__l{display:flex;gap:12px;align-items:baseline;padding:11px 14px;border-radius:10px;background:#f6faf7;border-left:4px solid var(--green)}
.layers__l b{flex:0 0 140px;font-size:14px}
.layers__l span{font-size:14px;color:var(--muted)}
@media (max-width:640px){
  .chain__a{display:none}
  .layers__l b{flex:0 0 auto}
  .layers__l{flex-direction:column;gap:3px}
}



/* ---- Сводная страница вопросов ---- */
.faq__toc{margin:0 0 34px;padding:20px 22px;border:1px solid var(--line);border-radius:14px;background:var(--tint);max-width:760px}
.faq__toc h2{margin:0 0 12px;font-size:16px;letter-spacing:.04em;text-transform:uppercase;color:var(--green-deep)}
.faq__toc ol{margin:0;padding-left:20px;display:grid;gap:7px}
.faq__toc li{font-size:15.5px;line-height:1.45}
.faq__toc li span{color:var(--muted);font-size:13.5px}
.faq__group{margin:0 0 34px;max-width:760px;scroll-margin-top:84px}
.faq__i{border:1px solid var(--line);border-radius:12px;margin-bottom:10px;background:#fff;padding:0 16px}
.faq__i[open]{background:#fcfdfc}
.faq__i summary{cursor:pointer;padding:14px 28px 14px 0;font-weight:700;list-style:none;position:relative}
.faq__i summary::-webkit-details-marker{display:none}
.faq__i summary::after{content:"+";position:absolute;right:0;top:11px;font-size:22px;color:var(--green-deep);line-height:1}
.faq__i[open] summary::after{content:"3"}
.faq__i .faq__a{padding:0 0 14px;color:#2c3531}
.faq__i .faq__a>:last-child{margin-bottom:0}
.faq__more{margin:14px 0 0;font-weight:600}

/* ---- Карта сайта ---- */
.map{list-style:none;margin:0;padding:0;display:grid;gap:0;max-width:820px}
.map li{border-bottom:1px solid var(--line);padding:13px 0;display:flex;flex-wrap:wrap;gap:2px 12px;align-items:baseline}
.map a{font-weight:600}
.map span{color:var(--muted);font-size:14px}

/* ---- Иллюстрация статьи ---- */
.art-hero{margin:28px 0 0;border-radius:16px;overflow:hidden;border:1px solid var(--line);background:var(--tint)}
.art-hero img{display:block;width:100%;height:auto}

/* обложка в карточке хаба */
.card__img{width:100%;height:auto;display:block;border-radius:12px;margin:0 0 14px;aspect-ratio:1200/520;object-fit:cover;background:var(--tint)}