/* Ремонтный расчёт — общие стили сайта */
*{box-sizing:border-box}
:root{--bg:#f8f9f4;--surface:#fff;--text:#12241a;--muted:#566559;--green:#2f6a3f;--green-dark:#24542f;--green-light:#e6efe1;--band:#dfe9d9;--border:#dfe6da;--shadow:0 6px 22px rgba(28,52,34,.07);--err:#b42318}
html{scroll-behavior:smooth}
body{margin:0;padding:14px 24px 20px;background:var(--bg);color:var(--text);font-family:"Manrope",-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;line-height:1.55}
a{color:inherit}
a:focus-visible,input:focus-visible,select:focus-visible,button:focus-visible{outline:3px solid var(--green);outline-offset:3px;border-radius:6px}
.container{max-width:1280px;margin:0 auto}
body.inner .container{max-width:960px}

/* Шапка */
.site-header{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:24px;padding:12px 18px;background:var(--surface);border-radius:16px;box-shadow:var(--shadow)}
.brand{display:flex;align-items:center;gap:12px;width:fit-content;text-decoration:none}
.brand-icon{display:grid;place-items:center;width:46px;height:46px;flex-shrink:0;border-radius:13px;background:var(--green);color:#fff;font-size:24px;font-weight:800}
.brand strong,.brand small{display:block;line-height:1.25}
.brand strong{font-size:18px;font-weight:700}
.brand small{color:var(--muted);font-size:12px;font-weight:500}
.site-nav{display:flex;gap:36px}
.site-nav a{font-size:14px;font-weight:700;text-decoration:none;transition:color .2s}
.site-nav a:hover{color:var(--green)}
.home-link{justify-self:end;display:grid;place-items:center;width:36px;height:36px;color:var(--green)}
.home-link svg{width:24px;height:24px;fill:currentColor}
.crumbs{display:flex;flex-wrap:wrap;gap:8px;margin:16px 4px 14px;color:var(--muted);font-size:14px}
.crumbs a{text-decoration:none;font-weight:600}
.crumbs a:hover{color:var(--green)}
.crumbs span::before{content:"›";margin-right:8px}

/* Карточка калькулятора */
.card{padding:36px;background:var(--surface);border-radius:22px;box-shadow:var(--shadow)}
.card h1{margin:0 0 12px;font-size:clamp(28px,4vw,38px);font-weight:800;line-height:1.15;letter-spacing:-1px}
.card h1+p,.intro{max-width:680px;margin:0 0 28px;color:var(--muted);font-size:17px}
form h2{margin:30px 0 16px;font-size:20px;font-weight:800;letter-spacing:-.3px}
.fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
label{display:block;margin-bottom:7px;font-size:14px;font-weight:700;color:#2f4036}
input,select{display:block;width:100%;min-height:52px;padding:12px 15px;border:1px solid #cfd9cb;border-radius:12px;background:#fff;color:var(--text);font:inherit;font-size:16px;transition:border-color .18s,box-shadow .18s}
input:hover,select:hover{border-color:#a9bba6}
input:focus,select:focus{outline:none;border-color:var(--green);box-shadow:0 0 0 4px rgba(47,106,63,.15)}
.hint,form>p{margin:7px 0 0;color:var(--muted);font-size:13px}
form>p{margin-top:14px;font-size:14px}
.button{display:block;width:100%;min-height:58px;margin-top:28px;padding:15px 20px;border:0;border-radius:14px;background:var(--green);color:#fff;font:inherit;font-size:17px;font-weight:700;cursor:pointer;box-shadow:0 6px 16px rgba(47,106,63,.25);transition:background .18s}
.button:hover{background:var(--green-dark)}
.error:empty{display:none}
.error{margin-top:16px;color:var(--err);font-size:14px;font-weight:700}

/* Результат */
.result{display:none;margin-top:26px;padding:26px;border:1px solid #cfe0c9;border-radius:18px;background:var(--green-light)}
.result h2{margin:0 0 10px;font-size:20px;font-weight:800}
.main-result,.number{color:var(--green-dark);font-size:clamp(34px,5vw,44px);font-weight:800;line-height:1.15;letter-spacing:-1px}
#summary{margin:10px 0 18px;color:#33453a}
.details{padding-top:16px;border-top:1px solid #c5d8bf;font-size:15px;line-height:2;white-space:pre-line}
.result-row{display:flex;justify-content:space-between;gap:16px;padding:10px 0;border-bottom:1px solid #c5d8bf;font-size:15px}
.result-row:first-of-type{margin-top:14px}
.result-row span:last-child{font-weight:800;text-align:right}
.result-row[hidden]{display:none}
.ad-slot:empty{display:none}
.ad-slot{margin:24px 0}

/* Текст под калькулятором */
.info-section,.faq{margin-top:34px;padding:34px;background:var(--surface);border-radius:22px;box-shadow:var(--shadow)}
.info-section .faq{margin:34px 0 0;padding:0;box-shadow:none}
.info-section h2,.faq h2{margin:30px 0 12px;font-size:24px;font-weight:800;letter-spacing:-.5px;line-height:1.25}
.info-section>h2:first-child{margin-top:0}
.info-section h3{margin:22px 0 8px;font-size:18px;font-weight:800}
.info-section p,.info-section li{color:#2f4036;font-size:16px}
.info-section p{margin:0 0 14px}
.info-section ul{margin:0 0 14px;padding-left:22px}
.example{margin:20px 0;padding:20px 22px;border-left:4px solid var(--green);border-radius:0 14px 14px 0;background:var(--green-light)}
.example h3{margin-top:0}
.example p:last-child,.example ul:last-child{margin-bottom:0}
.note{margin:22px 0 0;padding:14px 18px;border:1px solid var(--border);border-radius:12px;background:#fafbf7;color:var(--muted);font-size:13px;line-height:1.7}
.table-wrap{overflow-x:auto;margin:16px 0}
table{width:100%;border-collapse:collapse;font-size:15px}
th,td{padding:11px 14px;border-bottom:1px solid var(--border);text-align:left}
th{background:var(--green-light);font-weight:800}

/* Другие калькуляторы */
.related{margin-top:34px}
.related h2{margin:0 0 14px;font-size:22px;font-weight:800}
.related-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}
.related-grid a{display:flex;align-items:center;gap:12px;padding:16px 18px;background:var(--surface);border-radius:16px;box-shadow:var(--shadow);font-weight:700;text-decoration:none}
.related-grid a:hover{color:var(--green)}
.related-grid span{display:grid;place-items:center;width:40px;height:40px;border-radius:12px;background:var(--green-light);font-size:22px}

/* Подвал */
footer{margin-top:30px;padding:8px 0 0;font-size:13px;font-weight:500;text-align:center}
.foot-links{display:flex;flex-wrap:wrap;justify-content:center;gap:8px 22px;margin-bottom:10px}
.foot-links a{font-weight:700;text-decoration:none}
.foot-links a:hover{color:var(--green)}
.foot-note{max-width:640px;margin:8px auto 0;color:var(--muted);font-size:12px}

/* Главная */
.hero{position:relative;display:flex;align-items:center;min-height:300px;margin-top:16px;padding:36px 48px;overflow:hidden;border-radius:22px;background:linear-gradient(100deg,#e4eddf 0%,#eef3e9 45%,#f2f5ee 100%)}
.hero-art{position:absolute;right:0;bottom:0;height:100%;width:auto;max-width:62%;object-fit:cover;object-position:right bottom;-webkit-mask-image:linear-gradient(to right,transparent 0,#000 32%);mask-image:linear-gradient(to right,transparent 0,#000 32%);pointer-events:none}
.hero-content{position:relative;z-index:1;max-width:720px}
.hero-label{display:inline-block;padding:5px 12px;border-radius:20px;background:rgba(47,106,63,.12);color:var(--green-dark);font-size:14px;font-weight:600}
.hero h1{margin:14px 0;font-size:clamp(30px,3.7vw,46px);font-weight:800;line-height:1.12;letter-spacing:-1px}
.hero p{max-width:540px;margin:0 0 24px;color:#33453a;font-size:17px;line-height:1.55}
.primary-button{display:inline-block;padding:13px 28px;border-radius:14px;background:var(--green);color:#fff;font-size:15px;font-weight:700;text-decoration:none;box-shadow:0 6px 16px rgba(47,106,63,.25);transition:background .2s}
.primary-button:hover{background:var(--green-dark)}
.section-title{margin:36px 0 4px;font-size:32px;font-weight:800;line-height:1.2;letter-spacing:-.6px}
.section-description{margin:0;color:var(--muted);font-size:16px}
.tools{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:18px}
.tool-card{display:flex;gap:18px;padding:18px;border-radius:18px;background:var(--surface);box-shadow:var(--shadow)}
.tool-thumb{display:grid;place-items:center;flex-shrink:0;width:108px;height:108px;border-radius:20px;background:var(--green-light);font-size:46px;overflow:hidden}
.tool-thumb img,.guide-thumb img{width:100%;height:100%;object-fit:cover}
.tool-card h3{margin:0 0 6px;font-size:21px;font-weight:800;letter-spacing:-.3px}
.tool-card p{margin:0 0 12px;color:var(--muted);font-size:14px;line-height:1.5}
.tool-link,.guide-body a{color:var(--green-dark);font-size:14px;font-weight:700;text-decoration:none}
.tool-link:hover,.guide-body a:hover{text-decoration:underline}
.guides{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;margin-top:18px}
.guide-card{display:flex;overflow:hidden;min-height:108px;border-radius:16px;background:var(--surface);box-shadow:var(--shadow)}
.guide-thumb{display:grid;place-items:center;flex:0 0 38%;background:var(--green-light);font-size:38px}
.guide-body{display:flex;flex-direction:column;justify-content:center;gap:8px;padding:14px 16px}
.guide-body h3{margin:0;font-size:16px;font-weight:800;line-height:1.3}
.soon{color:var(--muted);font-size:13px;font-weight:600}
.about{display:grid;grid-template-columns:1.4fr 1fr;margin-top:28px;padding:20px 28px;border-radius:18px;background:var(--band)}
.about-main{display:flex;gap:18px;align-items:center;padding-right:32px}
.about-icon{display:grid;place-items:center;flex-shrink:0;width:46px;height:46px;border-radius:50%;background:var(--green);color:#fff;font-size:24px;font-weight:800;font-family:Georgia,serif}
.about h2{margin:0 0 4px;font-size:18px;font-weight:800}
.about p{margin:0;color:#2f4036;font-size:14px;line-height:1.5}
.about-note{display:flex;align-items:center;padding-left:32px;border-left:2px solid var(--green)}
.about-note p{color:#5f6e63;font-size:13px}

/* Адаптив */
@media (max-width:1100px){.tools{grid-template-columns:1fr}.guides{grid-template-columns:repeat(2,minmax(0,1fr))}.hero-art{opacity:.55}}
@media (max-width:750px){
 body{padding:10px}
 .site-header{grid-template-columns:1fr auto;padding:12px 14px}
 .site-nav{grid-column:1/-1;grid-row:2;justify-content:center;gap:28px}
 .card,.info-section{padding:22px 17px;border-radius:18px}
 .fields{grid-template-columns:1fr;gap:15px}
 .result{padding:20px 16px}
 .hero{display:block;padding:28px 22px 250px}
 .hero-art{width:100%;max-width:100%;height:230px;opacity:1;-webkit-mask-image:linear-gradient(to bottom,transparent 0,#000 35%);mask-image:linear-gradient(to bottom,transparent 0,#000 35%)}
 .section-title{font-size:26px}
 .guides{grid-template-columns:1fr}
 .about{grid-template-columns:1fr;padding:20px}
 .about-main{padding-right:0}
 .about-note{margin-top:16px;padding:16px 0 0;border-left:0;border-top:2px solid var(--green)}
}
@media (max-width:480px){.tool-card{flex-direction:column}.tool-thumb{width:84px;height:84px;font-size:38px}.result-row{flex-direction:column;gap:2px}.result-row span:last-child{text-align:left}}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}

/* Схемы, действия и содержание */
.viz{display:grid;gap:16px;margin-top:20px}
.viz figure{margin:0;padding:16px;border:1px solid #cfe0c9;border-radius:14px;background:#fff}
.viz svg,.figure svg{display:block;width:100%;height:auto}
.viz figcaption,.figure figcaption{margin-top:8px;color:var(--muted);font-size:13px;line-height:1.5}
.viz-row{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.4fr);gap:16px}
.actions{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:18px}
.btn-secondary{padding:11px 18px;border:1px solid var(--green);border-radius:12px;background:#fff;color:var(--green-dark);font:inherit;font-size:14px;font-weight:700;cursor:pointer;transition:background .18s}
.btn-secondary:hover{background:var(--green-light)}
#copyStatus{color:var(--green-dark);font-size:14px;font-weight:700}
.toc{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.toc a{padding:8px 16px;border-radius:20px;background:var(--surface);box-shadow:var(--shadow);font-size:14px;font-weight:700;text-decoration:none}
.toc a:hover{color:var(--green)}
.figure{margin:20px 0;padding:18px;border-radius:16px;background:var(--green-light)}
.figure figcaption{color:#3d5144}
.steps-list{padding-left:22px}
.steps-list li{margin-bottom:8px}
@media (max-width:750px){.viz-row{grid-template-columns:1fr}}
@media print{
 body{background:#fff;padding:0}
 .site-header,.crumbs,.toc,.actions,.ad-slot,.related,footer,form,.info-section,.card h1+p{display:none!important}
 .card,.result{box-shadow:none}
 .result{display:block!important;border:1px solid #999;background:#fff}
}

[hidden]{display:none!important}

/* Красивые окна выбора */
.cs{position:relative}
.cs-native{position:absolute;left:0;top:0;width:1px;height:1px;opacity:0;pointer-events:none}
.cs-btn{display:flex;align-items:center;gap:10px;width:100%;min-height:52px;padding:12px 15px;border:1px solid #cfd9cb;border-radius:12px;background:#fff;color:var(--text);font:inherit;font-size:16px;text-align:left;cursor:pointer;transition:border-color .18s,box-shadow .18s}
.cs-btn:hover{border-color:#a9bba6}
.cs-btn[aria-expanded="true"]{border-color:var(--green);box-shadow:0 0 0 4px rgba(47,106,63,.15)}
.cs-text{flex:1}
.cs-chev{width:18px;height:18px;flex-shrink:0;color:var(--green);transition:transform .2s}
.cs-btn[aria-expanded="true"] .cs-chev{transform:rotate(180deg)}
.cs-ico{display:grid;place-items:center;width:30px;height:30px;flex-shrink:0;border-radius:9px;background:var(--green-light)}
.cs-ico svg{width:20px;height:20px;fill:none;stroke:var(--green);stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.cs-list{position:absolute;z-index:40;left:0;right:0;top:calc(100% + 6px);max-height:280px;margin:0;padding:6px;overflow:auto;list-style:none;border:1px solid var(--border);border-radius:14px;background:#fff;box-shadow:0 14px 34px rgba(28,52,34,.18)}
.cs-list li{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:10px;font-size:15px;font-weight:600;cursor:pointer}
.cs-list li.active,.cs-list li:hover{background:#f0f5ee}
.cs-list li[aria-selected="true"]{background:var(--green-light);color:var(--green-dark)}
.cs-list li[aria-selected="true"]::after{content:"";margin-left:auto;width:9px;height:9px;border-radius:50%;background:var(--green)}

/* Главная: разделы калькуляторов и иллюстрации */
.catalog{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;margin-top:20px}
.cat-col{display:flex;flex-direction:column;gap:14px;padding:18px;border:1px solid var(--border);border-radius:24px;background:rgba(255,255,255,.55)}
.cat-head{display:flex;align-items:center;gap:14px;padding:4px 4px 6px}
.cat-ico{display:grid;place-items:center;width:46px;height:46px;border-radius:14px;background:var(--green);color:#fff}
.cat-ico svg{width:26px;height:26px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.cat-head h3{margin:0;font-size:22px;font-weight:800;letter-spacing:-.4px;line-height:1.2}
.cat-head p{margin:2px 0 0;color:var(--muted);font-size:14px}
.cat-soon{margin:auto 4px 2px;padding:12px 14px;border:1px dashed #b9c9b5;border-radius:14px;color:var(--muted);font-size:14px}
.cat-soon strong{color:var(--text)}
.tool-thumb{width:96px;height:96px;border-radius:22px;background:none}
.tool-thumb img{width:100%;height:100%;object-fit:contain}
.guide-thumb{background:var(--green-light)}
.guide-thumb img{width:100%;height:100%;min-height:108px;object-fit:cover}
.related-grid span{width:44px;height:44px;border-radius:12px;background:none;overflow:hidden}
.related-grid span img{display:block;width:100%;height:100%}
@media (max-width:900px){.catalog{grid-template-columns:1fr}}

/* Кнопка «Наверх» */
.to-top{position:fixed;right:18px;bottom:calc(18px + env(safe-area-inset-bottom,0px));z-index:50;display:grid;place-items:center;width:48px;height:48px;padding:0;border:0;border-radius:50%;background:var(--green);color:#fff;cursor:pointer;box-shadow:0 8px 22px rgba(28,52,34,.3);transition:background .2s,transform .2s}
.to-top:hover{background:var(--green-dark);transform:translateY(-2px)}
.to-top svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:2.6;stroke-linecap:round;stroke-linejoin:round}
@media (max-width:750px){.to-top{right:12px;width:44px;height:44px}}
@media print{.to-top{display:none!important}}

/* Cookie-баннер и кнопки */
.consent{position:fixed;left:16px;right:16px;bottom:calc(16px + env(safe-area-inset-bottom,0px));z-index:60;display:flex;flex-wrap:wrap;align-items:center;gap:14px 20px;max-width:820px;margin:0 auto;padding:16px 20px;border:1px solid var(--border);border-radius:18px;background:#fff;box-shadow:0 14px 40px rgba(28,52,34,.22)}
.consent p{flex:1 1 320px;margin:0;font-size:14px;line-height:1.5}
.consent a{color:var(--green-dark);font-weight:700}
.consent-btns{display:flex;gap:10px}
.btn-primary{padding:11px 22px;border:1px solid var(--green);border-radius:12px;background:var(--green);color:#fff;font:inherit;font-size:14px;font-weight:700;cursor:pointer}
.btn-primary:hover{background:var(--green-dark)}
.ph{padding:0 5px;border-radius:5px;background:#fff1a8}
.legal h2{margin:28px 0 10px;font-size:22px;font-weight:800}
.legal p,.legal li{font-size:16px;color:#2f4036}
.legal .updated{color:var(--muted);font-size:14px}
.foot-legal{display:flex;flex-wrap:wrap;justify-content:center;gap:6px 18px;margin-bottom:10px;font-size:13px}
.foot-legal a{color:var(--muted);text-decoration:none}
.foot-legal a:hover{color:var(--green);text-decoration:underline}
@media print{.consent{display:none!important}}

/* Меню «Поделиться» */
.share{position:relative}
.share-menu{position:absolute;z-index:45;left:0;top:calc(100% + 6px);min-width:250px;padding:6px;border:1px solid var(--border);border-radius:14px;background:#fff;box-shadow:0 14px 34px rgba(28,52,34,.2)}
.share-menu button{display:flex;align-items:center;gap:12px;width:100%;padding:10px 12px;border:0;border-radius:10px;background:none;color:var(--text);font:inherit;font-size:15px;font-weight:600;text-align:left;cursor:pointer}
.share-menu button:hover,.share-menu button:focus-visible{background:#f0f5ee}
.share-ic{display:grid;place-items:center;width:28px;height:28px;flex-shrink:0;border-radius:50%;color:#fff;font-size:14px;font-weight:800}
/* Страница «Как мы считаем» */
.legal details{margin:0 0 10px;border:1px solid var(--border);border-radius:14px;background:#fff}
.legal summary{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:14px 18px;font-size:16px;font-weight:800;cursor:pointer;list-style:none}
.legal summary::-webkit-details-marker{display:none}
.legal summary::after{content:"+";color:var(--green);font-size:22px;font-weight:700;line-height:1}
.legal details[open] summary::after{content:"\2212"}
.legal details p{margin:0;padding:0 18px 16px;font-size:15px}
.legal .toggle-all{margin:8px 0 16px}
@media print{.share{display:none!important}}