@font-face {
  font-family: 'PT Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/pt-mono-400-cyrillic.woff2') format('woff2');
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
@font-face {
  font-family: 'PT Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/pt-mono-400-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'PT Sans';
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/pt-sans-400i-cyrillic.woff2') format('woff2');
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
@font-face {
  font-family: 'PT Sans';
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/pt-sans-400i-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'PT Sans';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/pt-sans-400-cyrillic.woff2') format('woff2');
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
@font-face {
  font-family: 'PT Sans';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/pt-sans-400-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'PT Sans';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('../fonts/pt-sans-700-cyrillic.woff2') format('woff2');
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
@font-face {
  font-family: 'PT Sans';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('../fonts/pt-sans-700-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'PT Sans Narrow';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/pt-sans-narrow-400-cyrillic.woff2') format('woff2');
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
@font-face {
  font-family: 'PT Sans Narrow';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/pt-sans-narrow-400-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'PT Sans Narrow';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('../fonts/pt-sans-narrow-700-cyrillic.woff2') format('woff2');
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
@font-face {
  font-family: 'PT Sans Narrow';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('../fonts/pt-sans-narrow-700-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}/* ЮСИТЕК — инженерный конструктив. 2026 redesign, single stylesheet. */

:root {
  --ink: #23272b;
  --steel: #2c4e6e;
  --steel-dark: #223d57;
  --signal: #e39b17;
  --panel: #eef1f4;
  --line: #d8dde3;
  --grey: #6b7480;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font: 400 17px/1.6 'PT Sans', 'Segoe UI', Tahoma, Arial, sans-serif;
  color: var(--ink);
  background: #fff;
}

.wrap {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 20px;
}

img { max-width: 100%; height: auto; }

a { color: var(--steel); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--steel-dark); }

:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 2px;
}

.num, .dt { font-family: 'PT Mono', 'Courier New', monospace; }

/* ---- чертёжная линейка вдоль левого края -------------------------------- */
.ruler { display: none; }
@media (min-width: 1180px) {
  .ruler {
    display: block;
    position: fixed;
    inset: 0 auto 0 0;
    width: 26px;
    z-index: 5;
    pointer-events: none;
    opacity: .55;
    border-right: 1px solid var(--line);
    background:
      repeating-linear-gradient(to bottom,
        transparent 0, transparent 9px,
        var(--line) 9px, var(--line) 10px) 0 0 / 12px 100% no-repeat,
      repeating-linear-gradient(to bottom,
        transparent 0, transparent 49px,
        #b9c2cc 49px, #b9c2cc 50px) 0 0 / 20px 100% no-repeat;
  }
}

/* ---- шапка --------------------------------------------------------------- */
.site-head { border-top: 3px solid var(--steel); }

.head-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 14px;
  padding-bottom: 14px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--ink);
}

.brand-sq {
  width: 10px;
  height: 10px;
  background: var(--signal);
  flex: none;
}

.brand-name {
  display: block;
  font: 700 30px/1 'PT Sans Narrow', 'Arial Narrow', Arial, sans-serif;
  letter-spacing: .04em;
  color: var(--ink);
}

.brand-sub {
  display: block;
  font-size: 12px;
  line-height: 1.3;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--grey);
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  font: 700 15px 'PT Sans Narrow', Arial, sans-serif;
  text-transform: uppercase;
  letter-spacing: .06em;
  padding: 8px 12px;
  cursor: pointer;
}

.nav-toggle-i {
  width: 16px;
  height: 12px;
  border-top: 2px solid var(--steel);
  border-bottom: 2px solid var(--steel);
  position: relative;
}
.nav-toggle-i::after {
  content: '';
  position: absolute;
  left: 0; right: 0; top: 3px;
  border-top: 2px solid var(--steel);
}

/* ---- навигация ----------------------------------------------------------- */
.site-nav { background: var(--steel); }

.nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
}

.nav-list > li { position: relative; }

.nav-list > li > a {
  display: block;
  padding: 11px 14px;
  font: 700 15px/1.2 'PT Sans Narrow', 'Arial Narrow', Arial, sans-serif;
  letter-spacing: .05em;
  color: #fff;
  text-decoration: none;
  border-bottom: 3px solid transparent;
  transition: background-color .15s ease;
}

.nav-list > li > a:hover,
.nav-list > li:focus-within > a { background: var(--steel-dark); color: #fff; }

.nav-list > li.active > a { border-bottom-color: var(--signal); }

.nav-list .sub {
  list-style: none;
  margin: 0;
  padding: 6px 0;
  position: absolute;
  left: 0;
  top: 100%;
  min-width: 240px;
  background: #fff;
  border: 1px solid var(--line);
  border-top: 3px solid var(--signal);
  box-shadow: 0 8px 18px rgba(35, 39, 43, .12);
  display: none;
  z-index: 20;
}

.nav-list > li:hover > .sub,
.nav-list > li:focus-within > .sub { display: block; }

.nav-list .sub a {
  display: block;
  padding: 7px 16px;
  font-size: 15px;
  color: var(--steel);
  text-decoration: none;
}

.nav-list .sub a:hover,
.nav-list .sub a:focus-visible { background: var(--panel); color: var(--steel-dark); }

/* ---- контент ------------------------------------------------------------- */
.main-col {
  max-width: 880px;
  padding-top: 28px;
  padding-bottom: 48px;
}

.crumbs {
  font-family: 'PT Mono', 'Courier New', monospace;
  font-size: 12px;
  color: var(--grey);
  margin-bottom: 22px;
  overflow-x: auto;
  white-space: nowrap;
}
.crumbs a { color: var(--grey); }
.crumbs a:hover { color: var(--steel); }

h1 {
  font: 700 34px/1.15 'PT Sans Narrow', 'Arial Narrow', Arial, sans-serif;
  color: var(--steel);
  margin: 0 0 6px;
  padding-bottom: 10px;
  position: relative;
}
h1::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 64px;
  height: 3px;
  background: var(--signal);
}

h2, h3, h4, .aside-h {
  font-family: 'PT Sans Narrow', 'Arial Narrow', Arial, sans-serif;
  font-weight: 700;
  color: var(--steel);
  line-height: 1.2;
  margin: 1.5em 0 .5em;
}
h2, .aside-h { font-size: 26px; }
h3 { font-size: 22px; }
h4 { font-size: 19px; }

.page { font-size: 17px; }
.page > h1 + * { margin-top: 18px; }
.page p, .page div, .page blockquote { margin: 0 0 1em; }
.page div:empty { margin: 0; }
.page blockquote { padding-left: 18px; border-left: 3px solid var(--panel); }

.page ul, .page ol { margin: 0 0 1.2em; padding-left: 22px; }
.page li { margin-bottom: .4em; }
.page ul > li { list-style: none; position: relative; }
.page ul > li::before {
  content: '';
  position: absolute;
  left: -18px;
  top: .55em;
  width: 8px;
  height: 3px;
  background: var(--signal);
}

.t-center { text-align: center; }
.t-right { text-align: right; }

.page img {
  border: 1px solid var(--line);
  padding: 3px;
  background: #fff;
  margin: 4px 6px 10px 0;
  vertical-align: top;
}

.dt { font-size: 15px; color: var(--grey); }

/* табы-переключатели (бывшие gif-кнопки: карта / квартиры / планировки) */
a.tab {
  display: inline-block;
  margin: 2px 6px 8px 0;
  padding: 5px 12px;
  border: 1px solid var(--line);
  border-bottom: 2px solid var(--signal);
  font: 700 14px/1.3 'PT Sans Narrow', Arial, sans-serif;
  letter-spacing: .04em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--steel);
  background: var(--panel);
}
a.tab:hover { background: #fff; }

/* ---- таблицы ------------------------------------------------------------- */
.tbl-scroll { overflow-x: auto; }

table.data {
  border-collapse: collapse;
  width: 100%;
  margin: 0 0 1.4em;
  font-size: 15px;
  line-height: 1.45;
}

table.data td, table.data th {
  border: 1px solid var(--line);
  padding: 7px 10px;
  vertical-align: top;
  text-align: left;
}

table.data tr:nth-child(even) td { background: var(--panel); }

table.data td.num {
  font-family: 'PT Mono', 'Courier New', monospace;
  font-size: 14px;
  white-space: nowrap;
}

table.data img { margin: 2px; }

/* ---- новости и проекты (главная) ----------------------------------------- */
.aside-news {
  margin-top: 36px;
  padding: 20px 22px;
  background: var(--panel);
  border-left: 3px solid var(--signal);
}
.aside-news h4 { margin-top: 0; font-size: 22px; }

.projects { margin-top: 36px; }

.pgrid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 14px;
}

.pcard {
  display: block;
  border: 1px solid var(--line);
  text-decoration: none;
  color: var(--ink);
  background: #fff;
  transition: border-color .15s ease;
}
.pcard:hover { border-color: var(--steel); }
.pcard img {
  display: block;
  width: 100%;
  height: 110px;
  object-fit: cover;
  border: 0;
  padding: 0;
  margin: 0;
}
.pcard-t {
  display: block;
  padding: 10px 12px;
  font: 700 16px/1.3 'PT Sans Narrow', Arial, sans-serif;
  color: var(--steel);
}

/* ---- подвал --------------------------------------------------------------- */
.site-foot {
  margin-top: 30px;
  background: var(--ink);
  color: #c9ced4;
  border-top: 3px solid var(--signal);
}

.foot-cols {
  display: flex;
  flex-wrap: wrap;
  gap: 28px 56px;
  padding-top: 34px;
  padding-bottom: 10px;
}

.foot-h {
  font: 700 13px/1.2 'PT Sans', Arial, sans-serif;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: #8d959e;
  margin-bottom: 12px;
}

.foot-col ul { list-style: none; margin: 0; padding: 0; }
.foot-col li { margin-bottom: 7px; }
.foot-col a {
  color: #e6e9ec;
  text-decoration: none;
  font-size: 15px;
}
.foot-col a:hover { color: #fff; text-decoration: underline; }

.foot-legal {
  border-top: 1px solid #3a4046;
  padding-top: 16px;
  padding-bottom: 26px;
  font-size: 14px;
  color: #9aa1a9;
}
.foot-legal a { color: #c9ced4; }
.legal-line { margin: 0 0 4px; }
.foot-legal b { color: #e6e9ec; }

/* ---- мобильная версия ------------------------------------------------------ */
@media (max-width: 860px) {
  .nav-toggle { display: inline-flex; }

  .site-nav { display: none; }
  .site-head.nav-open .site-nav { display: block; }

  .nav-list { flex-direction: column; padding: 4px 0 10px; }
  .nav-list > li > a { border-bottom: 0; border-left: 3px solid transparent; }
  .nav-list > li.active > a { border-left-color: var(--signal); }

  .nav-list .sub {
    position: static;
    display: block;
    background: transparent;
    border: 0;
    box-shadow: none;
    padding: 0 0 4px;
  }
  .nav-list .sub a { color: #d7dee6; padding: 6px 16px 6px 30px; }
  .nav-list .sub a:hover { background: var(--steel-dark); color: #fff; }
}

@media (max-width: 480px) {
  body { font-size: 16px; }
  h1 { font-size: 27px; }
  .brand-name { font-size: 25px; }
  .brand-sub { font-size: 10px; }
  .wrap { padding: 0 14px; }
  table.data { font-size: 14px; }
  table.data td, table.data th { padding: 5px 7px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition: none !important;
    animation: none !important;
    scroll-behavior: auto !important;
  }
}
