/* ==========================================================================
   Tochev & Co. — "Хоризонт" design system
   ========================================================================== */

:root{
  --bg:#FFFFFF;
  --surface:#F1F4F6;
  --surface-dark:#1B2B38;
  --surface-dark-2:#132029;
  --ink:#202B34;
  --ink-soft:#5B6770;
  --ink-faint:#8A96A0;
  --ink-on-dark:#EAF1F6;
  --ink-on-dark-soft:#A9BAC4;
  --accent:#4E7191;
  --accent-dark:#3A5972;
  --line:#DCE3E7;
  --line-on-dark:rgba(234,241,246,.16);
  --status-available:#4E7191;
  --status-taken:#5B6570;

  --sp-sm:12px;
  --sp-md:24px;
  --sp-lg:48px;
  --sp-xl:96px;

  --r-sm:6px;
  --r-md:12px;

  --font-h:'Cabinet Grotesk', 'Segoe UI', sans-serif;
  --font-b:'General Sans', 'Segoe UI', sans-serif;

  --shadow-1: 0 1px 2px rgba(27,43,56,.06), 0 6px 20px -10px rgba(27,43,56,.18);
  --shadow-lift: 0 10px 30px -12px rgba(27,43,56,.28);
  --container: 1180px;
}

*,*::before,*::after{ box-sizing:border-box; }
:where(html){ scroll-behavior:smooth; }
@media (prefers-reduced-motion: reduce){ :where(html){ scroll-behavior:auto; } *{ animation-duration:.01ms !important; transition-duration:.01ms !important; } }

:where(body,h1,h2,h3,h4,p,figure,blockquote,ul,ol,dl,dd){ margin:0; }
:where(ul,ol){ padding:0; list-style:none; }
:where(img,svg){ display:block; max-width:100%; }
:where(a){ color:inherit; text-decoration:none; }
:where(button,input,textarea){ font:inherit; color:inherit; }
:where(button){ background:none; border:none; cursor:pointer; }

body{
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-b);
  font-weight:400;
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}

h1,h2,h3,h4{ font-family:var(--font-h); font-weight:700; line-height:1.08; text-wrap:balance; color:var(--ink); }
h1{ font-size:clamp(34px,4.6vw,58px); }
h2{ font-size:clamp(26px,3vw,38px); }
h3{ font-size:20px; }
p{ color:var(--ink-soft); max-width:62ch; }

.container{ max-width:var(--container); margin:0 auto; padding:0 24px; }

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

.eyebrow{
  font-size:12px; font-weight:600; letter-spacing:.09em; text-transform:uppercase;
  color:var(--accent); display:inline-flex; align-items:center; gap:8px; margin-bottom:12px;
}

.btn{
  display:inline-flex; align-items:center; gap:8px;
  padding:14px 24px; border-radius:var(--r-sm);
  font-weight:600; font-size:14.5px; transition:transform .15s ease, background .15s ease;
}
.btn-primary{ background:var(--accent); color:#fff; }
.btn-primary:hover{ background:var(--accent-dark); transform:translateY(-1px); }
.btn-ghost{ border:1.5px solid var(--line); color:var(--ink); }
.btn-ghost:hover{ border-color:var(--accent); color:var(--accent); }
.btn-on-dark{ background:var(--ink-on-dark); color:var(--surface-dark); }
.btn-on-dark:hover{ background:#fff; }

.status-pill{
  display:inline-flex; align-items:center; gap:6px; padding:5px 12px; border-radius:99px;
  font-size:11.5px; font-weight:600; letter-spacing:.04em; text-transform:uppercase;
}
.status-pill.stroezh{ background:rgba(78,113,145,.12); color:var(--accent-dark); }
.status-pill.zavarshen{ background:rgba(63,125,78,.12); color:#2F6B41; }
.status-pill.predstoyasht{ background:rgba(32,43,52,.07); color:var(--ink-soft); }

/* ---------------- header ---------------- */
.site-header{
  position:sticky; top:0; z-index:50; background:rgba(255,255,255,.9); backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.site-header .row{ display:flex; align-items:center; justify-content:space-between; height:80px; gap:24px; }
.brand{ display:flex; align-items:center; gap:12px; }
.brand-mark{ width:36px; height:36px; flex:none; }
.brand-name{ font-family:var(--font-h); font-weight:700; font-size:20px; line-height:1; }
.brand-sub{ font-size:10.5px; color:var(--ink-faint); letter-spacing:.06em; text-transform:uppercase; margin-top:3px; }
.nav-primary{ display:flex; gap:32px; }
.nav-primary a{ font-size:14.5px; font-weight:500; color:var(--ink-soft); }
.nav-primary a:hover{ color:var(--ink); }
@media (max-width:880px){ .nav-primary{ display:none; } }

/* ---------------- hero ---------------- */
.hero{ padding:56px 0 var(--sp-xl); }
.hero-grid{ display:grid; grid-template-columns:1fr .95fr; gap:56px; align-items:center; }
@media (max-width:960px){ .hero-grid{ grid-template-columns:1fr; gap:32px; } }
.hero-copy p{ font-size:17.5px; margin:18px 0 30px; max-width:46ch; }
.hero-ctas{ display:flex; gap:14px; flex-wrap:wrap; }

.slideshow{ position:relative; border-radius:var(--r-md); overflow:hidden; box-shadow:var(--shadow-lift); aspect-ratio:4/3; background:var(--surface-dark); }
.slideshow img{ position:absolute; inset:0; width:100%; height:100%; object-fit:cover; opacity:0; transition:opacity .9s ease; }
.slideshow img.is-active{ opacity:1; }
.slideshow-dots{ position:absolute; bottom:16px; left:50%; transform:translateX(-50%); display:flex; gap:8px; z-index:2; }
.slideshow-dots button{ width:7px; height:7px; border-radius:50%; background:rgba(255,255,255,.5); }
.slideshow-dots button.is-active{ background:#fff; width:20px; border-radius:4px; }
.slideshow-cap{ margin-top:10px; font-size:12.5px; color:var(--ink-faint); }

/* ---------------- stats ---------------- */
.stats{ border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.stats-row{ display:grid; grid-template-columns:repeat(4,1fr); }
@media (max-width:760px){ .stats-row{ grid-template-columns:repeat(2,1fr); } }
.stat{ padding:28px 24px; border-left:1px solid var(--line); }
.stat:first-child{ border-left:none; }
.stat b{ display:block; font-family:var(--font-h); font-size:28px; color:var(--accent-dark); }
.stat span{ font-size:12.5px; color:var(--ink-soft); }

/* ---------------- section shell ---------------- */
.section{ padding:var(--sp-xl) 0; }
.section-tight{ padding:var(--sp-lg) 0; }
.section-head{ max-width:640px; margin-bottom:40px; }

/* ---------------- projects: asymmetric split ---------------- */
.projects-split{ display:grid; grid-template-columns:1.2fr .8fr; gap:1px; background:var(--line); border:1px solid var(--line); border-radius:var(--r-md); overflow:hidden; }
@media (max-width:860px){ .projects-split{ grid-template-columns:1fr; } }
.project-feature{ background:var(--surface-dark); color:var(--ink-on-dark); padding:40px; display:flex; flex-direction:column; gap:16px; justify-content:flex-end; min-height:360px; }
.project-feature .status-pill.stroezh{ background:rgba(234,241,246,.14); color:var(--ink-on-dark); }
.project-feature h3{ color:#fff; font-size:26px; }
.project-feature p{ color:var(--ink-on-dark-soft); }
.project-list{ background:var(--bg); display:flex; flex-direction:column; }
.project-row{ display:flex; align-items:center; justify-content:space-between; gap:16px; padding:20px 28px; border-bottom:1px solid var(--line); }
.project-row:last-child{ border-bottom:none; }
.project-row .pr-name{ font-family:var(--font-h); font-weight:700; font-size:16.5px; }
.project-row .pr-loc{ font-size:12.5px; color:var(--ink-faint); }

/* ---------------- visualizer ---------------- */
.visualizer{ display:grid; grid-template-columns:1.15fr .85fr; gap:var(--sp-lg); align-items:start; }
@media (max-width:960px){ .visualizer{ grid-template-columns:1fr; } }
.visualizer-legend{ display:flex; gap:20px; margin-bottom:18px; flex-wrap:wrap; }
.legend-chip{ display:flex; align-items:center; gap:8px; font-size:13px; color:var(--ink-soft); }
.legend-swatch{ width:14px; height:14px; border-radius:3px; }
.legend-swatch.avail{ background:rgba(78,113,145,.3); border:1.5px solid var(--status-available); }
.legend-swatch.taken{ background:rgba(91,101,112,.35); border:1.5px solid var(--status-taken); }

.stage{ position:relative; border-radius:var(--r-md); overflow:hidden; box-shadow:var(--shadow-1); }
.stage img{ width:100%; height:auto; display:block; }
.floor-hotspot{
  position:absolute; border-radius:4px; cursor:pointer;
  background:rgba(78,113,145,.24); border:1px solid rgba(78,113,145,.55);
  opacity:0; transition:opacity .25s ease; display:flex; align-items:center; justify-content:center;
}
.floor-hotspot:hover, .floor-hotspot:focus-visible, .floor-hotspot.is-active{ opacity:1; }
.floor-hotspot.is-unavailable{ background:rgba(91,101,112,.32); border-color:rgba(91,101,112,.6); }
.floor-hotspot__tag{
  font-family:var(--font-h); font-weight:700; font-size:13px; color:#fff;
  background:rgba(27,43,56,.55); padding:3px 10px; border-radius:99px; backdrop-filter:blur(2px);
}

.floor-panel{ background:var(--surface); border-radius:var(--r-md); padding:28px; min-height:420px; }
.floor-panel-head{ display:flex; justify-content:space-between; align-items:baseline; margin-bottom:18px; gap:12px; flex-wrap:wrap; }
.floor-panel-head h3{ font-size:22px; }
.floor-panel-head span{ font-size:12.5px; color:var(--ink-soft); }

.plan-mosaic{ display:flex; flex-wrap:wrap; gap:3px; border-radius:var(--r-sm); overflow:hidden; border:1px solid var(--line); background:var(--bg); }
.plan-unit{
  position:relative; min-height:112px; padding:14px; display:flex; flex-direction:column; justify-content:flex-end; gap:3px;
  background:rgba(78,113,145,.16); border:1px solid rgba(78,113,145,.4); transition:background .15s ease;
}
.plan-unit:hover{ background:rgba(78,113,145,.28); }
.plan-unit .pu-code{ font-family:var(--font-h); font-weight:700; font-size:15px; color:var(--accent-dark); }
.plan-unit .pu-meta{ font-size:11px; color:var(--ink-soft); }
.plan-unit .pu-price{ font-size:12.5px; font-weight:600; color:var(--ink); }

.unavailable-note{
  background:var(--surface-dark); color:var(--ink-on-dark); border-radius:var(--r-md);
  padding:32px 28px; display:flex; flex-direction:column; gap:8px;
}
.unavailable-note p{ color:var(--ink-on-dark-soft); font-size:14px; }

.placeholder-tag{ font-size:11px; color:var(--ink-faint); margin-top:14px; }

/* ---------------- modal ---------------- */
.unit-modal-backdrop{ position:fixed; inset:0; background:rgba(19,32,41,.6); display:none; align-items:center; justify-content:center; padding:20px; z-index:100; }
.unit-modal-backdrop.is-open{ display:flex; }
.unit-modal{ background:#fff; border-radius:var(--r-md); max-width:420px; width:100%; overflow:hidden; box-shadow:var(--shadow-lift); }
.unit-modal-top{ background:var(--surface-dark); color:var(--ink-on-dark); padding:22px 24px; position:relative; }
.unit-modal-top h4{ color:#fff; font-size:26px; }
.unit-modal-top span{ font-size:12.5px; color:var(--ink-on-dark-soft); }
.unit-modal-close{ position:absolute; top:14px; right:14px; color:var(--ink-on-dark); padding:6px; }
.unit-modal-body{ padding:22px 24px; }
.spec-row{ display:flex; justify-content:space-between; padding:9px 0; border-bottom:1px solid var(--line); font-size:13.5px; }
.spec-row:last-of-type{ border-bottom:none; }
.spec-row.total{ padding-top:16px; font-weight:700; font-size:16px; color:var(--accent-dark); }
.unit-modal-actions{ display:flex; gap:10px; margin-top:20px; }
.unit-modal-actions .btn{ flex:1; justify-content:center; }

/* ---------------- about / districts ---------------- */
.about-grid{ display:grid; grid-template-columns:1.1fr .9fr; gap:64px; }
@media (max-width:900px){ .about-grid{ grid-template-columns:1fr; gap:32px; } }
.about-grid p{ margin-bottom:16px; }
.districts{ border-top:1px solid var(--line); }
.district-row{ display:flex; justify-content:space-between; align-items:baseline; padding:18px 0; border-bottom:1px solid var(--line); }
.district-row b{ font-family:var(--font-h); font-size:18px; }
.district-row span{ font-size:12.5px; color:var(--ink-faint); }

/* ---------------- contact ---------------- */
.contact{ background:var(--surface-dark); color:var(--ink-on-dark); }
.contact h2{ color:#fff; }
.contact-grid{ display:grid; grid-template-columns:1fr 1fr; gap:56px; }
@media (max-width:900px){ .contact-grid{ grid-template-columns:1fr; gap:32px; } }
.contact-list{ display:flex; flex-direction:column; gap:18px; margin-top:24px; }
.contact-list a, .contact-list div{ display:flex; gap:12px; align-items:flex-start; font-size:15px; }
.contact-list .ci-label{ display:block; font-size:11px; text-transform:uppercase; letter-spacing:.06em; color:var(--ink-on-dark-soft); margin-bottom:2px; }
.contact-form{ display:flex; flex-direction:column; gap:12px; }
.contact-form input,.contact-form textarea{
  background:rgba(234,241,246,.06); border:1px solid rgba(234,241,246,.22); border-radius:var(--r-sm);
  padding:13px 14px; color:#fff; font-size:14px;
}
.contact-form ::placeholder{ color:var(--ink-on-dark-soft); }
.contact-form label{ font-size:11px; text-transform:uppercase; letter-spacing:.06em; color:var(--ink-on-dark-soft); }

/* ---------------- footer ---------------- */
.site-footer{ background:var(--surface-dark-2); color:var(--ink-on-dark-soft); padding:36px 0; }
.footer-row{ display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:14px; font-size:13px; }
.footer-row a{ color:var(--ink-on-dark-soft); }
.footer-nav{ display:flex; gap:20px; flex-wrap:wrap; }

.notice-bar{
  background:#FBF4E6; color:#6B5324; font-size:13px; text-align:center; padding:10px 16px;
  border-bottom:1px solid #EADFC0;
}

/* ---------------- mega menu ---------------- */
.nav-item{ position:relative; }
.nav-trigger{ display:flex; align-items:center; gap:5px; font-size:14.5px; font-weight:500; color:var(--ink-soft); padding:6px 0; }
.nav-trigger svg{ width:11px; height:11px; transition:transform .15s ease; }
.nav-item:hover .nav-trigger, .nav-item.is-open .nav-trigger{ color:var(--ink); }
.nav-item:hover .nav-trigger svg, .nav-item.is-open .nav-trigger svg{ transform:rotate(180deg); }
.mega-panel{
  position:absolute; top:100%; left:50%; transform:translateX(-50%) translateY(6px);
  width:520px; background:var(--bg); border:1px solid var(--line); border-radius:var(--r-md);
  box-shadow:var(--shadow-lift); padding:20px; display:none; grid-template-columns:1.1fr .9fr; gap:4px;
  z-index:60;
}
.nav-item:hover .mega-panel, .nav-item.is-open .mega-panel{ display:grid; }
.mega-col{ display:flex; flex-direction:column; }
.mega-col a{
  display:flex; flex-direction:column; gap:2px; padding:10px 12px; border-radius:var(--r-sm);
  font-size:14px; color:var(--ink);
}
.mega-col a:hover{ background:var(--surface); }
.mega-col a b{ font-family:var(--font-h); font-size:14.5px; }
.mega-col a span{ font-size:12px; color:var(--ink-faint); }
.mega-feature{
  background:var(--surface-dark); border-radius:var(--r-sm); padding:16px; display:flex; flex-direction:column; gap:8px;
  color:var(--ink-on-dark); margin-left:8px;
}
.mega-feature img{ border-radius:6px; height:90px; width:100%; object-fit:cover; }
.mega-feature b{ font-family:var(--font-h); font-size:15px; }
.mega-feature span{ font-size:11.5px; color:var(--ink-on-dark-soft); }
@media (max-width:880px){ .mega-panel{ display:none !important; } }

/* ---------------- construction stage stepper ---------------- */
.stage-stepper{ display:flex; gap:0; margin:18px 0 6px; }
.stage-step{ flex:1; display:flex; flex-direction:column; gap:8px; position:relative; padding-right:12px; }
.stage-step .dash{ height:3px; border-radius:2px; background:var(--line); }
.stage-step.is-done .dash{ background:var(--accent); }
.stage-step.is-current .dash{ background:var(--accent); }
.stage-step label{ font-size:11.5px; color:var(--ink-faint); line-height:1.35; }
.stage-step.is-current label{ color:var(--accent-dark); font-weight:600; }
.stage-step.is-done label{ color:var(--ink-soft); }

/* ---------------- big hero slideshow ---------------- */
.hero-big{ position:relative; height:min(86vh,720px); min-height:520px; overflow:hidden; }
.hero-big .hb-slide{ position:absolute; inset:0; opacity:0; transition:opacity 1.1s ease; }
.hero-big .hb-slide.is-active{ opacity:1; }
.hero-big .hb-slide img{ width:100%; height:100%; object-fit:cover; }
.hero-big::after{
  content:''; position:absolute; inset:0;
  background:linear-gradient(0deg, rgba(19,32,41,.82) 0%, rgba(19,32,41,.35) 45%, rgba(19,32,41,.15) 70%, rgba(19,32,41,.35) 100%);
  pointer-events:none;
}
.hero-big-content{ position:relative; z-index:2; height:100%; display:flex; flex-direction:column; justify-content:flex-end; padding-bottom:64px; }
.hero-big-content .eyebrow{ color:#BFD3E0; }
.hero-big-content .eyebrow::before{ content:none; }
.hero-big-content h1{ color:#fff; }
.hero-big-content p{ color:#D7E2E8; font-size:17.5px; margin:18px 0 30px; max-width:52ch; }
.hero-big-dots{ position:absolute; bottom:28px; right:24px; z-index:3; display:flex; gap:8px; }
.hero-big-dots button{ width:8px; height:8px; border-radius:50%; background:rgba(255,255,255,.45); }
.hero-big-dots button.is-active{ background:#fff; width:22px; border-radius:4px; }

/* ---------------- quick search bar ---------------- */
.quick-search{ margin-top:-40px; position:relative; z-index:5; }
.quick-search form{
  background:var(--bg); border-radius:var(--r-md); box-shadow:var(--shadow-lift);
  padding:20px; display:grid; grid-template-columns:repeat(4,1fr) auto; gap:12px; align-items:end;
}
@media (max-width:960px){ .quick-search form{ grid-template-columns:1fr 1fr; } }
.qs-field{ display:flex; flex-direction:column; gap:6px; }
.qs-field label{ font-size:11px; text-transform:uppercase; letter-spacing:.06em; color:var(--ink-faint); }
.qs-field select, .qs-field input{
  border:1px solid var(--line); border-radius:var(--r-sm); padding:11px 12px; font-size:14px; background:var(--bg); color:var(--ink);
}

/* ---------------- filter / search page ---------------- */
.search-layout{ display:grid; grid-template-columns:290px 1fr; gap:40px; align-items:start; }
@media (max-width:900px){ .search-layout{ grid-template-columns:1fr; } }
.filter-panel{ background:var(--surface); border-radius:var(--r-md); padding:24px; display:flex; flex-direction:column; gap:18px; position:sticky; top:96px; }
.filter-group{ display:flex; flex-direction:column; gap:6px; }
.filter-group label{ font-size:11.5px; text-transform:uppercase; letter-spacing:.05em; color:var(--ink-soft); font-weight:600; }
.filter-group select, .filter-group input{
  border:1px solid var(--line); border-radius:var(--r-sm); padding:10px 12px; font-size:14px; background:var(--bg); color:var(--ink);
}
.filter-range{ display:flex; gap:8px; }
.filter-range input{ width:0; flex:1; }
.filter-panel .btn{ justify-content:center; }
.filter-count{ font-size:13px; color:var(--ink-soft); margin-bottom:18px; }
.result-grid{ display:grid; grid-template-columns:repeat(auto-fill,minmax(240px,1fr)); gap:16px; }
.result-card{
  border:1px solid var(--line); border-radius:var(--r-md); padding:18px; display:flex; flex-direction:column; gap:6px;
  text-decoration:none; color:var(--ink); transition:box-shadow .15s ease, transform .15s ease;
}
.result-card:hover{ box-shadow:var(--shadow-1); transform:translateY(-2px); }
.result-card .rc-obekt{ font-size:11.5px; color:var(--accent); text-transform:uppercase; letter-spacing:.04em; font-weight:600; }
.result-card .rc-code{ font-family:var(--font-h); font-weight:700; font-size:19px; }
.result-card .rc-meta{ font-size:12.5px; color:var(--ink-soft); }
.result-card .rc-price{ font-family:var(--font-h); font-weight:700; font-size:17px; color:var(--accent-dark); margin-top:auto; padding-top:8px; }
.empty-state{ padding:60px 20px; text-align:center; color:var(--ink-faint); }

/* ---------------- custom dropdown (filters) ---------------- */
.filter-dropdown{ position:relative; }
.filter-dropdown-toggle{
  width:100%; display:flex; align-items:center; justify-content:space-between; gap:8px;
  background:none; border:none; text-align:left; padding:0; font-size:14px; font-weight:500; color:var(--ink); cursor:pointer;
}
.filter-dropdown-toggle span{ overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.filter-dropdown-toggle svg{ width:11px; height:11px; flex:none; color:var(--ink-faint); transition:transform .25s ease; }
.filter-dropdown.open .filter-dropdown-toggle svg{ transform:rotate(180deg); }
.filter-dropdown-panel{
  position:absolute; top:calc(100% + 10px); left:0; min-width:220px; max-height:300px; overflow-y:auto;
  background:rgba(255,255,255,.98); backdrop-filter:blur(10px); border:1px solid var(--line); border-radius:var(--r-sm);
  box-shadow:var(--shadow-lift); display:none; z-index:70; padding:6px;
}
.filter-dropdown.open .filter-dropdown-panel{ display:block; }
.filter-dropdown-panel button{ display:block; width:100%; text-align:left; padding:9px 12px; border-radius:6px; font-size:13.5px; color:var(--ink); }
.filter-dropdown-panel button:hover{ background:var(--surface); }
.filter-dropdown-panel button.active{ color:var(--accent-dark); font-weight:600; background:rgba(78,113,145,.1); }

/* quick-search / filter-panel fields now host the dropdown widget */
.qs-field .filter-dropdown-toggle, .filter-group .filter-dropdown-toggle{ padding:11px 12px; border:1px solid var(--line); border-radius:var(--r-sm); background:var(--bg); }
.filter-group .filter-dropdown-toggle{ background:var(--surface); border-color:transparent; }

/* quick-search glass elevation over the hero image */
.quick-search form{ background:rgba(255,255,255,.92); backdrop-filter:blur(14px); }

/* subtle Ken Burns zoom on the active big-hero slide */
.hero-big .hb-slide.is-active img{ animation:tochevKenBurns 8s ease forwards; }
@keyframes tochevKenBurns{ from{ transform:scale(1); } to{ transform:scale(1.055); } }
@media (prefers-reduced-motion: reduce){ .hero-big .hb-slide.is-active img{ animation:none; } }