/* Домики из профилированного бруса */
:root{
  --wood-1:#F3E3C6;
  --wood-2:#E6CFA5;
  --wood-3:#D4B483;
  --wood-end:#C99F63;
  --wood-line:#A9824E;
  --wood-bg:linear-gradient(180deg,#F7F2E8,#EFE7D6);
  /* анимации: быстрый старт, мягкая остановка */
  --hk-ease:cubic-bezier(.2,.7,.2,1);
  --hk-fast:.16s;
  --hk-mid:.26s;
  --hk-slow:.45s;
}

#config,#pieces,.hk-config{scroll-margin-top:84px}
.hk-sec-head{display:flex;justify-content:space-between;align-items:flex-end;gap:14px 24px;flex-wrap:wrap;margin-bottom:20px}
.hk-sec-head .section-title{margin:0}

/* Hero: фон и верхний отступ — общие .page-hero (style.css), здесь только нижний отступ */
.hk-hero{padding-bottom:40px}
.hk-hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:32px;align-items:center;margin-top:14px}
.hk-hero h1{margin:0 0 12px}
.hk-lead{font-size:18px;color:var(--muted);margin:0;max-width:540px}
.hk-hero-price{margin:16px 0 0;font-size:16px;color:var(--muted)}
.hk-hero-price b{margin-left:4px;font-size:22px;font-weight:800;color:var(--brand)}
.hk-hero-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}
.hk-hero-facts{list-style:none;margin:28px 0 0;padding:0;display:flex;gap:28px;flex-wrap:wrap}
.hk-hero-facts li{display:flex;flex-direction:column}
.hk-hero-facts b{font-size:22px;font-family:Merriweather, Georgia, serif;color:var(--brand);white-space:nowrap}
.hk-hero-facts span{font-size:13px;color:var(--muted)}
.hk-hero-pic{margin:0;background:#fff;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-soft)}
.hk-hero-pic img{width:100%;height:auto;aspect-ratio:1120/960;object-fit:contain}

/* Толщина */
.hk-thick{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.hk-thick .seg{width:290px}
.hk-thick-hint{font-size:14px;color:var(--muted);max-width:330px}
.seg{position:relative;isolation:isolate;display:grid;grid-auto-flow:column;grid-auto-columns:1fr;border:1px solid var(--border);border-radius:12px;background:#fff;padding:3px}
.seg::before{content:"";position:absolute;z-index:-1;top:3px;bottom:3px;left:3px;width:calc((100% - 6px) / var(--n, 2));border-radius:9px;background:var(--brand);box-shadow:0 4px 12px rgba(31,90,58,.25);transform:translateX(calc(var(--i, 0) * 100%));transition:transform var(--hk-mid) var(--hk-ease)}
.seg label{position:relative;cursor:pointer;-webkit-tap-highlight-color:transparent}
.seg input{position:absolute;opacity:0}
.seg span{display:block;text-align:center;padding:8px 4px;border-radius:9px;font-weight:600;font-size:15px;transition:color var(--hk-mid) var(--hk-ease)}
.seg input:checked+span{color:#fff}
.seg input:focus-visible+span{outline:2px solid var(--accent);outline-offset:-2px}

/* Готовые размеры */
.hk-presets{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:16px}
.hk-preset{font:inherit;color:inherit;text-align:left;cursor:pointer;padding:0 0 14px;display:flex;flex-direction:column;gap:2px;-webkit-tap-highlight-color:transparent;
  transition:transform var(--hk-mid) var(--hk-ease), box-shadow var(--hk-mid) var(--hk-ease), border-color var(--hk-mid) var(--hk-ease)}
.hk-preset:active{transform:translateY(-1px) scale(.985);transition-duration:var(--hk-fast)}
.hk-preset.is-active{border-color:var(--brand);box-shadow:0 0 0 2px var(--brand), var(--shadow-soft)}
.hk-preset:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.hk-preset-pic{display:block;background:var(--wood-bg);height:150px;padding:12px;margin-bottom:10px;overflow:hidden}
.hk-preset-pic .iso{width:100%;height:100%;transition:transform var(--hk-slow) var(--hk-ease)}
.hk-preset-name{font-weight:700;padding:0 14px}
.hk-preset-meta{font-size:13px;color:var(--muted);padding:0 14px}
.hk-preset-price{font-weight:800;color:var(--brand);padding:6px 14px 0;font-size:18px}

/* Конфигуратор */
.hk-config{display:grid;grid-template-columns:1fr 380px;overflow:visible}
.hk-config:hover{transform:none}
.hk-config-draw{background:var(--wood-bg);border-radius:var(--radius) 0 0 var(--radius);padding:20px;min-height:380px}
.hk-config-draw .iso{width:100%;height:100%;max-height:440px}
.hk-config-side{padding:22px;display:flex;flex-direction:column;gap:16px}
.hk-field>label{display:flex;justify-content:space-between;gap:8px;font-weight:600;font-size:14px;margin-bottom:4px}
.hk-field output{color:var(--brand);font-weight:700}
/* ползунок с кнопками «−» / «+» по краям (пальцем точнее, чем тянуть бегунок) */
.hk-range{display:flex;align-items:center;gap:10px}
.hk-step{flex:none;width:36px;height:36px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--border);border-radius:10px;background:#fff;
  font:inherit;font-size:20px;font-weight:700;line-height:1;color:var(--brand);cursor:pointer;-webkit-tap-highlight-color:transparent;
  transition:transform var(--hk-fast) var(--hk-ease), border-color var(--hk-mid) var(--hk-ease), opacity var(--hk-mid) var(--hk-ease)}
.hk-step:active{transform:scale(.92)}
.hk-step:disabled{opacity:.35;cursor:default;transform:none}
.hk-step:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
/* ползунок: заливка до значения (--p задаёт JS), бегунок увеличивается при захвате */
.hk-field input[type=range]{-webkit-appearance:none;appearance:none;flex:1;min-width:0;width:100%;height:36px;margin:0;padding:0;border:0;border-radius:0;background:transparent;cursor:pointer}
.hk-field input[type=range]:focus{outline:none;box-shadow:none}
.hk-field input[type=range]::-webkit-slider-runnable-track{height:6px;border-radius:999px;background:linear-gradient(var(--brand),var(--brand)) 0 / var(--p, 50%) 100% no-repeat, #E6E1D6}
.hk-field input[type=range]::-moz-range-track{height:6px;border-radius:999px;background:#E6E1D6}
.hk-field input[type=range]::-moz-range-progress{height:6px;border-radius:999px;background:var(--brand)}
.hk-field input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:22px;height:22px;margin-top:-8px;border-radius:50%;background:#fff;border:2px solid var(--brand);box-shadow:0 2px 6px rgba(16,19,21,.18);transition:transform var(--hk-fast) var(--hk-ease), box-shadow var(--hk-fast) var(--hk-ease)}
.hk-field input[type=range]::-moz-range-thumb{width:18px;height:18px;border-radius:50%;background:#fff;border:2px solid var(--brand);box-shadow:0 2px 6px rgba(16,19,21,.18);transition:transform var(--hk-fast) var(--hk-ease), box-shadow var(--hk-fast) var(--hk-ease)}
.hk-field input[type=range]:active::-webkit-slider-thumb{transform:scale(1.2);box-shadow:0 0 0 6px rgba(31,90,58,.14)}
.hk-field input[type=range]:active::-moz-range-thumb{transform:scale(1.2);box-shadow:0 0 0 6px rgba(31,90,58,.14)}
.hk-field input[type=range]:focus-visible::-webkit-slider-thumb{box-shadow:0 0 0 4px rgba(198,163,90,.45)}
.hk-field input[type=range]:focus-visible::-moz-range-thumb{box-shadow:0 0 0 4px rgba(198,163,90,.45)}
.hk-sum{list-style:none;margin:0;padding:12px 0 0;border-top:1px solid var(--border);font-size:14px}
.hk-sum li{display:flex;justify-content:space-between;gap:10px;padding:4px 0}
.hk-sum span{color:var(--muted)}
.hk-spec-wrap summary{cursor:pointer;font-size:14px;font-weight:600;color:var(--brand);list-style:none;display:inline-flex;align-items:center;gap:8px;-webkit-tap-highlight-color:transparent}
.hk-spec-wrap summary::-webkit-details-marker{display:none}
.hk-spec-wrap summary::before{content:"";width:6px;height:6px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(-45deg);transition:transform var(--hk-mid) var(--hk-ease)}
.hk-spec-wrap[open] summary::before{transform:rotate(45deg) translate(-2px,-1px)}
.hk-spec-body{padding-top:8px}
.hk-spec{width:100%;border-collapse:collapse;font-size:14px}
.hk-spec td{padding:6px 0;border-bottom:1px dashed rgba(16,19,21,.12)}
.hk-spec td:nth-child(2){color:var(--muted);padding:6px 8px}
.hk-spec td:last-child{text-align:right;white-space:nowrap}
.hk-config-total{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;padding-top:14px;border-top:1px solid var(--border);margin-top:auto}
.hk-total-label{font-size:13px;color:var(--muted)}
.hk-total{font-size:30px;font-weight:800;color:var(--brand);line-height:1.1;font-variant-numeric:tabular-nums}
.hk-preset-price{font-variant-numeric:tabular-nums}
.hk-turnkey-link{font-size:14px;font-weight:600;color:var(--brand)}
.hk-config-total .btn{min-width:190px}
.hk-config-total .btn.is-done{background:var(--brand-dark);border-color:var(--brand-dark)}
.hk-note{font-size:14px;color:var(--muted);margin:12px 0 0}

/* Изометрия */
.iso{display:block}
.iso polygon{stroke-linejoin:round}
.iso-log{stroke:var(--wood-line);stroke-width:.012}
.iso-log--front{fill:var(--wood-1)}
.iso-log--side{fill:var(--wood-2)}
.iso-end{fill:var(--wood-end);stroke:var(--wood-line);stroke-width:.012}
.iso-top{fill:#FBF3E4;stroke:var(--wood-line);stroke-width:.012}
.iso-inner{fill:var(--wood-3);stroke:none}
.iso-inner--b{fill:#DDC193}
.iso-floor{fill:#C9AE84}
.iso-door{fill:#5B4A36;opacity:.85}
.iso-window{fill:#6C8796;stroke:#fff;stroke-width:.03}
.iso-dim{stroke:var(--muted);stroke-width:.015}
.iso-dim-t{font-size:.26px;font-weight:700;fill:var(--text-main);font-family:Inter, system-ui, sans-serif}

/* Поштучно */
/* тёмно-зелёная панель; тонкие горизонтальные линии — как венцы бруса */
.hk-pieces{position:relative;isolation:isolate;overflow:hidden;display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;
  padding:44px 48px;border-radius:28px;color:#fff;
  background:
    radial-gradient(520px 320px at 0% 0%, rgba(198,163,90,.28), transparent 65%),
    radial-gradient(480px 300px at 100% 100%, rgba(0,0,0,.18), transparent 70%),
    linear-gradient(135deg,#246A45 0%,var(--brand-dark) 100%);
  box-shadow:0 24px 50px rgba(24,72,46,.22)}
.hk-pieces::before{content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;
  background:repeating-linear-gradient(180deg, rgba(255,255,255,.045) 0 1px, transparent 1px 32px);
  -webkit-mask-image:linear-gradient(90deg,#000 0%,transparent 70%);mask-image:linear-gradient(90deg,#000 0%,transparent 70%)}
.hk-pieces .section-title{color:#fff;margin-bottom:12px}
.hk-pieces p{margin:0 0 22px;max-width:440px;color:rgba(255,255,255,.82);font-size:16px}
.hk-eyebrow{display:inline-block;margin-bottom:12px;padding:5px 12px;border-radius:999px;font-size:12px;font-weight:600;letter-spacing:.02em;
  color:#F3E3C6;background:rgba(255,255,255,.08);border:1px solid rgba(243,227,198,.25)}
.hk-pieces .hk-pieces-table-wrap{color:var(--text-main);box-shadow:0 18px 40px rgba(0,0,0,.18);border-color:transparent}
.hk-pieces .hk-pieces-hint{margin:0;max-width:none;padding:12px 12px 2px;font-size:13px;color:var(--muted);text-align:center}
.hk-pieces-table-wrap{overflow-x:auto}
.hk-pieces-table-wrap:hover{transform:none}
.hk-pieces-table{width:100%;border-collapse:collapse;font-size:15px}
.hk-pieces-table th,.hk-pieces-table td{vertical-align:middle}
.hk-pieces-table th{padding:12px;text-align:center;font-size:13px;border-bottom:1px solid var(--border);white-space:nowrap}
.hk-pieces-table tbody th{text-align:left;font-weight:700}
.hk-pieces-table td{padding:4px 6px;text-align:center;border-bottom:1px dashed rgba(16,19,21,.12)}
.hk-pieces-table tr:last-child td,.hk-pieces-table tr:last-child th{border-bottom:none}
/* цена — это кнопка «в заказ»: рамка видна всегда, чтобы было понятно, что на неё можно нажать */
.piece-btn{font:inherit;width:100%;border:1px solid rgba(31,90,58,.16);background:rgba(31,90,58,.035);border-radius:10px;padding:6px 4px;cursor:pointer;display:flex;flex-direction:column;align-items:center;color:inherit;-webkit-tap-highlight-color:transparent;
  transition:background-color var(--hk-mid) var(--hk-ease), border-color var(--hk-mid) var(--hk-ease), transform var(--hk-fast) var(--hk-ease)}
.piece-btn b{font-weight:700;white-space:nowrap}
.piece-btn span{font-size:11px;font-weight:500;color:var(--brand);opacity:0;transform:translateY(-3px);transition:opacity var(--hk-mid) var(--hk-ease), transform var(--hk-mid) var(--hk-ease)}
.piece-btn:focus-visible{border-color:rgba(31,90,58,.45);background:rgba(31,90,58,.07)}
.piece-btn:focus-visible span{opacity:1;transform:none}
.piece-btn:active{transform:scale(.96);background:rgba(31,90,58,.1)}

/* FAQ: отступы у summary, а не у details — вся строка вопроса нажимается */
.hk-faq{max-width:820px}
.hk-faq details{border-bottom:1px solid var(--border)}
.hk-faq summary{cursor:pointer;font-weight:600;font-size:17px;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:14px 0;-webkit-tap-highlight-color:transparent;transition:color var(--hk-fast) var(--hk-ease)}
.hk-faq summary::-webkit-details-marker{display:none}
.hk-faq summary::after{content:"";flex:none;width:8px;height:8px;margin-right:4px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(45deg) translate(-2px,-2px);transition:transform var(--hk-mid) var(--hk-ease)}
.hk-faq details[open] summary::after{transform:rotate(-135deg) translate(-2px,-2px)}
/* отступ — padding, а не margin: иначе он появляется/исчезает рывком мимо анимации высоты */
.hk-faq p{margin:0;padding:0 0 14px;color:var(--muted)}

/* Наведение — только мышью: на телефоне после касания эффект «залипает» */
@media (hover:hover){
  .seg label:hover input:not(:checked)+span{color:var(--brand)}
  .hk-preset:hover{border-color:rgba(198,163,90,.6);transform:translateY(-3px);box-shadow:0 16px 30px rgba(16,19,21,.10)}
  .hk-preset.is-active:hover{border-color:var(--brand);box-shadow:0 0 0 2px var(--brand), 0 16px 30px rgba(16,19,21,.10)}
  .hk-preset:hover .hk-preset-pic .iso{transform:scale(1.05)}
  .hk-step:not(:disabled):hover{border-color:rgba(31,90,58,.45)}
  .hk-field input[type=range]:hover::-webkit-slider-thumb{transform:scale(1.1)}
  .hk-field input[type=range]:hover::-moz-range-thumb{transform:scale(1.1)}
  .piece-btn:hover{border-color:rgba(31,90,58,.45);background:rgba(31,90,58,.07)}
  .piece-btn:hover span{opacity:1;transform:none}
  .hk-faq summary:hover{color:var(--brand)}
}

/* ===== Анимации ===== */
@keyframes hkRise{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
@keyframes hkSwap{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}
@keyframes hkPop{from{opacity:.35;transform:scale(.965)}to{opacity:1;transform:none}}
@keyframes hkBump{0%{transform:scale(1)}35%{transform:scale(.95)}100%{transform:scale(1)}}

/* первый экран: текст, затем картинка */
.hk-hero-grid>*{animation:hkRise var(--hk-slow) var(--hk-ease) both}
.hk-hero-grid>*:nth-child(2){animation-delay:.08s}

/* появление блоков при прокрутке (классы ставит houses.js) */
.hk-js .hk-reveal{opacity:0;transform:translateY(16px);transition:opacity var(--hk-slow) var(--hk-ease) var(--d, 0s), transform var(--hk-slow) var(--hk-ease) var(--d, 0s)}
.hk-js .hk-reveal.is-in{opacity:1;transform:none}

.hk-swap{animation:hkSwap var(--hk-mid) var(--hk-ease)}
.hk-pop{animation:hkPop .32s var(--hk-ease)}
.hk-bump{animation:hkBump .3s var(--hk-ease)}

/* раскрытие «Состава комплекта» и FAQ (Chrome/Edge 131+; в остальных — без анимации) */
.hk-spec-wrap,.hk-faq details{interpolate-size:allow-keywords}
/* для высоты — ровная кривая без долгого «хвоста» (иначе последние пиксели ползут и кажется, что тормозит) */
.hk-spec-wrap::details-content,.hk-faq details::details-content{height:0;opacity:0;overflow:clip;
  transition:height .24s cubic-bezier(.4,0,.2,1), opacity .2s ease, content-visibility .24s allow-discrete}
.hk-spec-wrap[open]::details-content,.hk-faq details[open]::details-content{height:auto;opacity:1}

@media (prefers-reduced-motion: reduce){
  .hk-hero-grid>*,.hk-swap,.hk-pop,.hk-bump{animation:none !important}
  .seg::before,.seg span,.hk-preset,.hk-preset-pic .iso,.piece-btn,.piece-btn span,.hk-step{transition:none !important}
  .hk-spec-wrap::details-content,.hk-faq details::details-content{transition:none !important}
  .hk-preset:hover,.hk-preset:hover .hk-preset-pic .iso{transform:none}
}

@media (max-width:980px){
  .hk-hero-grid,.hk-pieces{grid-template-columns:1fr}
  .hk-presets{grid-template-columns:repeat(2,1fr)}
  .hk-config{grid-template-columns:1fr}
  .hk-config-draw{border-radius:var(--radius) var(--radius) 0 0;min-height:0;height:300px}
}
/* телефон: шапка при прокрутке вниз прячется (ui.js) — калькулятору хватает небольшого отступа */
@media (max-width:720px){
  .hk-config{scroll-margin-top:12px}
}
/* касание пальцем: места для нажатия не меньше 44 px, у цен в таблице — значок «+» */
@media (max-width:640px), (pointer:coarse){
  .seg span{padding:12px 4px}
  .hk-step{width:44px;height:44px}
  .hk-field input[type=range]{height:44px}
  .hk-field input[type=range]::-webkit-slider-thumb{width:28px;height:28px;margin-top:-11px}
  .hk-field input[type=range]::-moz-range-thumb{width:24px;height:24px}
  .hk-spec-wrap summary{min-height:44px}
  .piece-btn{flex-direction:row;justify-content:center;gap:3px;min-height:40px;padding:4px 2px}
  .piece-btn span{display:none}
  .piece-btn::after{content:"+";flex:none;width:16px;height:16px;border-radius:50%;background:var(--brand);color:#fff;font-size:13px;font-weight:700;line-height:16px;text-align:center}
}
@media (max-width:640px){
  .hk-hero{padding-bottom:24px}
  .hk-hero-grid{gap:18px;margin-top:10px}
  .hk-lead{font-size:16px}
  .hk-hero-price{margin-top:12px}
  .hk-hero-price b{font-size:20px}
  .hk-hero-actions{margin-top:14px}
  .hk-hero-facts{display:grid;grid-template-columns:repeat(3,auto);justify-content:start;gap:4px 18px;margin-top:18px}
  .hk-hero-facts b{font-size:17px}
  .hk-hero-facts span{font-size:14px;line-height:1.25}
  .hk-hero-pic img{height:210px;aspect-ratio:auto}
  .hk-thick,.hk-thick .seg{width:100%}
  .hk-presets{gap:10px}
  .hk-preset-pic{height:110px;padding:8px}
  .hk-preset-name{font-size:14px;padding:0 10px}
  .hk-preset-meta,.hk-preset-price{padding-left:10px;padding-right:10px}
  .hk-preset-meta{font-size:14px}
  .hk-preset-price{font-size:16px}
  .hk-config-draw{height:280px;padding:12px}
  .hk-config-side{padding:16px}
  .hk-config-total .btn{width:100%}
  .hk-total{font-size:26px}
  .hk-pieces-table{font-size:14px}
  .hk-pieces-table thead th{padding:10px 4px}
  .hk-pieces-table tbody th{padding:10px 6px 10px 8px;font-size:14px}
  .hk-pieces-table td{padding:4px 2px}
  .hk-pieces{padding:28px 18px;border-radius:22px;gap:24px}
}
/* узкие телефоны (320–360 px): заголовки колонок в две строки, без значка «+» — иначе таблица не помещается */
@media (max-width:360px){
  .hk-pieces{padding:24px 12px}
  .hk-pieces-table thead th{white-space:normal}
  .piece-btn::after{display:none}
}