/* HomeBee — slaboproud pro bytové domy.
   Vizuální jazyk: technický výkres. Papír, inkoust, a oxidová červená =
   barva, kterou se do výkresu kreslí NOVÉ vedení. */

:root {
  --paper:     #E9E7E0;
  --paper-2:   #DFDCD3;
  --paper-3:   #D3CFC4;
  --ink:       #16233F;
  --ink-2:     #4A5772;
  --new:       #B23A1E;
  --new-soft:  rgba(178, 58, 30, .10);
  --brass:     #8A6A1F;
  --line:      #B7B2A4;

  --display: "Bricolage Grotesque", Georgia, serif;
  --body:    "Public Sans", system-ui, -apple-system, sans-serif;
  --mono:    "IBM Plex Mono", ui-monospace, Menlo, monospace;

  --wrap: 1140px;
  --gutter: clamp(20px, 5vw, 48px);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.65;
  font-synthesis-weight: none;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--ink); text-underline-offset: .18em; text-decoration-thickness: 1px; }
a:hover { color: var(--new); }
:focus-visible { outline: 2px solid var(--new); outline-offset: 3px; }

h1, h2, h3 { font-family: var(--display); font-weight: 800; line-height: 1.05; letter-spacing: -.025em; margin: 0; }
h1 { font-size: clamp(2.3rem, 6vw, 4rem); }
h2 { font-size: clamp(1.75rem, 3.6vw, 2.6rem); }
h3 { font-size: 1.16rem; font-weight: 700; letter-spacing: -.01em; line-height: 1.3; }
p  { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }

.wrap { max-width: var(--wrap); margin-inline: auto; padding-inline: var(--gutter); }
.narrow { max-width: 62ch; }

/* Popisek výkresu: mono, prostrkaně, s krátkou linkou */
.eyebrow {
  font-family: var(--mono);
  font-size: .74rem;
  font-weight: 500;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-2);
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
}
.eyebrow::before { content: ""; width: 26px; height: 1px; background: var(--new); flex: none; }

/* ── Hlavička ─────────────────────────────────────────── */
.site-head {
  position: sticky; top: 0; z-index: 40;
  background: color-mix(in srgb, var(--paper) 92%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.head-in { display: flex; align-items: center; gap: 24px; min-height: 66px; }
.brand {
  font-family: var(--display); font-weight: 800; font-size: 1.32rem;
  letter-spacing: -.03em; text-decoration: none; color: var(--ink); flex: none;
}
.brand em { font-style: normal; color: var(--new); }
.site-nav { display: flex; gap: 22px; margin-left: auto; align-items: center; }
.site-nav a {
  font-size: .93rem; text-decoration: none; color: var(--ink-2);
  padding: 8px 0; border-bottom: 1px solid transparent;
}
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--ink); border-bottom-color: var(--new); }
.tel {
  font-family: var(--mono); font-size: .9rem; font-weight: 500;
  text-decoration: none; color: var(--ink);
  display: inline-flex; align-items: center; min-height: 44px; padding: 0 14px;
  border: 1px solid var(--ink); border-radius: 2px; white-space: nowrap;
}
.tel:hover { background: var(--ink); color: var(--paper); }
.nav-toggle { display: none; }

@media (max-width: 900px) {
  .site-nav { display: none; }
  .head-in { gap: 12px; }
  .tel { margin-left: auto; padding: 0 12px; font-size: .84rem; }
}

/* ── Tlačítka ─────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 48px; padding: 0 26px;
  font-family: var(--body); font-size: 1rem; font-weight: 600;
  text-decoration: none; border-radius: 2px; border: 1px solid var(--ink);
  background: var(--ink); color: var(--paper); cursor: pointer;
  transition: background .15s, color .15s;
}
.btn:hover { background: var(--new); border-color: var(--new); color: #fff; }
.btn-ghost { background: transparent; color: var(--ink); }
.btn-ghost:hover { background: var(--ink); color: var(--paper); border-color: var(--ink); }

/* ── Hero ─────────────────────────────────────────────── */
.hero { padding: clamp(48px, 8vw, 96px) 0 clamp(36px, 5vw, 64px); }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(32px, 5vw, 72px); align-items: center; }
.hero h1 { margin-bottom: 22px; }
.hero .lead { font-size: clamp(1.06rem, 1.6vw, 1.22rem); color: var(--ink-2); max-width: 46ch; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 32px; }
.hero-photo { position: relative; }
.hero-photo img { border: 1px solid var(--line); filter: saturate(.82) contrast(1.02); }
.hero-photo figcaption {
  font-family: var(--mono); font-size: .72rem; letter-spacing: .06em;
  color: var(--ink-2); margin-top: 10px; text-transform: uppercase;
}
@media (max-width: 880px) { .hero-grid { grid-template-columns: 1fr; } }

/* ── Kóty (číselné údaje jako na výkrese) ─────────────── */
.dims { display: flex; flex-wrap: wrap; gap: 0; margin-top: 44px; border-top: 1px solid var(--line); }
.dims div { flex: 1 1 130px; padding: 16px 18px 16px 0; border-right: 1px solid var(--line); }
.dims div:last-child { border-right: 0; }
.dims b { display: block; font-family: var(--display); font-size: 1.72rem; font-weight: 800; letter-spacing: -.03em; }
.dims span { font-family: var(--mono); font-size: .7rem; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-2); }

/* ── Sekce ────────────────────────────────────────────── */
section { padding: clamp(52px, 7vw, 92px) 0; }
section + section { border-top: 1px solid var(--line); }
.sec-head { max-width: 58ch; margin-bottom: clamp(32px, 4vw, 52px); }
.sec-head p { color: var(--ink-2); margin-top: 16px; }

/* ── Řez domem (signature) ────────────────────────────── */
.cutaway { display: grid; grid-template-columns: minmax(300px, 460px) 1fr; gap: clamp(28px, 5vw, 64px); align-items: start; }
.cutaway-fig { position: relative; }
.cutaway svg { width: 100%; height: auto; display: block; }
.layer-rect { fill: transparent; cursor: pointer; }
.layer-g .lbl { font-family: var(--mono); font-size: 9.5px; letter-spacing: .06em; fill: var(--ink-2); text-transform: uppercase; }
.layer-g .glow { fill: var(--new-soft); opacity: 0; transition: opacity .2s; }
.layer-g.is-on .glow { opacity: 1; }
.layer-g.is-on .lbl { fill: var(--new); }
.layer-g.is-on .node { fill: var(--new); }
.node { fill: var(--ink-2); transition: fill .2s; }
.node-s { stroke: var(--ink-2); fill: none; transition: stroke .2s; }
.node-box rect { fill: var(--paper); stroke: var(--ink-2); stroke-width: 1.4; transition: stroke .2s, fill .2s; }
.layer-g.is-on .node-s { stroke: var(--new); }
.layer-g.is-on .node-box rect { stroke: var(--new); fill: var(--new-soft); }
.route { stroke: var(--new); stroke-width: 1.5; fill: none; stroke-dasharray: 3 3; }
/* Čísla podlaží jsou kóta, ne dekorace — --line by mělo kontrast 1,7:1. */
.floor-lbl text { font-family: var(--mono); font-size: 8.5px; letter-spacing: .04em; fill: var(--ink-2); opacity: .75; }
.dim { stroke: var(--line); fill: none; stroke-width: 1; }
.dim text { font-family: var(--mono); font-size: 8.5px; letter-spacing: .1em; fill: var(--ink-2); stroke: none; text-transform: uppercase; }

.cutaway-list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.cutaway-list li { border-bottom: 1px solid var(--line); }
.cutaway-list button {
  width: 100%; text-align: left; background: none; border: 0; cursor: pointer;
  padding: 18px 4px; font: inherit; color: inherit;
  display: grid; grid-template-columns: 34px 1fr; gap: 14px; align-items: baseline;
}
.cutaway-list button:hover, .cutaway-list button[aria-expanded="true"] { color: var(--new); }
.cutaway-list .num { font-family: var(--mono); font-size: .76rem; color: var(--ink-2); letter-spacing: .06em; }
.cutaway-list button[aria-expanded="true"] .num { color: var(--new); }
.cutaway-list h3 { font-size: 1.05rem; }
.cutaway-list p { font-size: .95rem; color: var(--ink-2); margin: 8px 0 0; grid-column: 2; }
@media (max-width: 860px) { .cutaway { grid-template-columns: 1fr; } .cutaway-fig { max-width: 380px; } }

/* ── Karty systémů ────────────────────────────────────── */
.systems { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.system { background: var(--paper); padding: 28px 26px 30px; }
.system .k { font-family: var(--mono); font-size: .7rem; letter-spacing: .12em; color: var(--new); text-transform: uppercase; display: block; margin-bottom: 14px; }
.system h3 { margin-bottom: 10px; }
.system p { font-size: .95rem; color: var(--ink-2); }
.system ul { margin: 14px 0 0; padding-left: 1.1em; font-size: .9rem; color: var(--ink-2); }
.system li { margin-bottom: 5px; }

/* ── Zvýrazněný blok / varování ───────────────────────── */
.note {
  border-left: 3px solid var(--new);
  background: var(--new-soft);
  padding: 24px 26px;
  margin: 32px 0;
}
.note p { font-size: 1rem; }
.note strong { font-weight: 600; }

/* ── Checklist ────────────────────────────────────────── */
.checks { list-style: none; margin: 0; padding: 0; }
.checks > li { border-top: 1px solid var(--line); padding: 26px 0; display: grid; grid-template-columns: 46px 1fr; gap: 18px; }
.checks > li:last-child { border-bottom: 1px solid var(--line); }
.checks .n { font-family: var(--mono); font-size: .78rem; color: var(--new); letter-spacing: .06em; padding-top: 4px; }
.checks h3 { margin-bottom: 8px; }
.checks p { font-size: .96rem; color: var(--ink-2); }

/* ── Harmonogram ──────────────────────────────────────── */
.phases { list-style: none; margin: 0; padding: 0; }
.phases li { display: grid; grid-template-columns: 116px 1fr; gap: 22px; padding: 22px 0; border-top: 1px solid var(--line); align-items: start; }
.phases li:last-child { border-bottom: 1px solid var(--line); }
.phases .wk { font-family: var(--mono); font-size: .78rem; letter-spacing: .06em; color: var(--new); padding-top: 3px; }
.phases h3 { margin-bottom: 6px; }
.phases p { font-size: .95rem; color: var(--ink-2); }
@media (max-width: 620px) { .phases li, .checks > li { grid-template-columns: 1fr; gap: 8px; } }

/* ── Reference ────────────────────────────────────────── */
.ref { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 4vw, 56px); align-items: center; }
.ref img { border: 1px solid var(--line); filter: saturate(.8); }
.ref-tag {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--mono); font-size: .72rem; letter-spacing: .1em; text-transform: uppercase;
  color: var(--new); margin-bottom: 16px;
}
.ref-tag::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--new); }
.ref dl { display: grid; grid-template-columns: auto 1fr; gap: 6px 20px; margin: 24px 0 0; font-size: .93rem; }
.ref dt { font-family: var(--mono); font-size: .74rem; letter-spacing: .06em; text-transform: uppercase; color: var(--ink-2); padding-top: 3px; }
.ref dd { margin: 0; }
@media (max-width: 780px) { .ref { grid-template-columns: 1fr; } }

/* ── Formulář ─────────────────────────────────────────── */
.contact { display: grid; grid-template-columns: 1fr 1.15fr; gap: clamp(32px, 5vw, 72px); align-items: start; }
@media (max-width: 860px) { .contact { grid-template-columns: 1fr; } }
.form-row { display: grid; gap: 6px; margin-bottom: 18px; }
.form-row label { font-family: var(--mono); font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-2); }
.form-row input, .form-row textarea, .form-row select {
  font: inherit; font-size: 1rem; color: var(--ink);
  background: color-mix(in srgb, var(--paper) 55%, #fff);
  border: 1px solid var(--line); border-radius: 2px; padding: 13px 14px; min-height: 48px;
  width: 100%;
}
.form-row textarea { min-height: 128px; resize: vertical; }
.form-row input:focus, .form-row textarea:focus, .form-row select:focus { border-color: var(--ink); outline: none; box-shadow: 0 0 0 2px var(--new-soft); }
.form-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 18px; }
@media (max-width: 560px) { .form-2 { grid-template-columns: 1fr; } }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-note { font-size: .84rem; color: var(--ink-2); margin-top: 14px; }
.form-msg { padding: 16px 18px; border-left: 3px solid var(--new); background: var(--new-soft); margin-bottom: 22px; font-size: .95rem; }

.contact-side dl { display: grid; gap: 4px; margin: 0 0 28px; }
.contact-side dt { font-family: var(--mono); font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-2); }
.contact-side dd { margin: 0 0 16px; font-size: 1.02rem; }
.contact-side a { text-decoration: none; }

/* ── Patička ──────────────────────────────────────────── */
.site-foot { border-top: 1px solid var(--line); padding: 44px 0 56px; font-size: .9rem; color: var(--ink-2); }
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 32px; }
@media (max-width: 760px) { .foot-grid { grid-template-columns: 1fr 1fr; } }
.site-foot h4 { font-family: var(--mono); font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; color: var(--ink); margin: 0 0 14px; font-weight: 500; }
.site-foot ul { list-style: none; margin: 0; padding: 0; }
.site-foot li { margin-bottom: 8px; }
.site-foot a { text-decoration: none; }
.foot-legal { margin-top: 36px; padding-top: 20px; border-top: 1px solid var(--line); font-size: .82rem; display: flex; flex-wrap: wrap; gap: 6px 20px; }

/* ── Prokládaný pruh (CTA) ────────────────────────────── */
.band { background: var(--ink); color: var(--paper); }
.band h2 { color: var(--paper); }
.band p { color: color-mix(in srgb, var(--paper) 76%, transparent); }
.band .btn { background: var(--new); border-color: var(--new); color: #fff; }
.band .btn:hover { background: var(--paper); border-color: var(--paper); color: var(--ink); }
.band a:not(.btn) { color: var(--paper); }

/* ── Obsahové stránky ─────────────────────────────────── */
.page-head { padding: clamp(40px, 6vw, 76px) 0 clamp(24px, 3vw, 40px); }
.page-head h1 { max-width: 20ch; }
.page-head .lead { font-size: clamp(1.04rem, 1.5vw, 1.18rem); color: var(--ink-2); max-width: 58ch; margin-top: 22px; }
.prose h2 { margin: 52px 0 18px; }
.prose h3 { margin: 32px 0 10px; }
.prose ul { padding-left: 1.15em; }
.prose li { margin-bottom: 8px; }
.prose table { width: 100%; border-collapse: collapse; margin: 26px 0; font-size: .94rem; }
.prose th, .prose td { text-align: left; padding: 11px 14px 11px 0; border-bottom: 1px solid var(--line); vertical-align: top; }
.prose th { font-family: var(--mono); font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-2); font-weight: 500; }
.table-scroll { overflow-x: auto; }

.crumb { font-family: var(--mono); font-size: .74rem; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-2); padding-top: 26px; }
.crumb a { text-decoration: none; }

/* ─── Mobil: čitelnost a dotykové cíle ──────────────────────────────────────
   Drobné mono uppercase popisky jsou záměrný designový prvek a na desktopu
   zůstávají beze změny. Pod prstem ale 11px nefunguje — mobile audit hlásil
   12 dotykových cílů pod 44 px a 16 elementů s písmem pod 14 px (score 60).
   Proto override jen pro úzké displeje. */
@media (max-width: 768px) {
  /* Písmo minimálně 14 px všude, kde se čte souvislý text */
  .eyebrow,
  .ref-tag,
  .form-note,
  .form-row label,
  .contact-side dt,
  .site-foot h4,
  .hero-photo figcaption,
  .cutaway-list .num,
  .crumb,
  .prose th,
  .tel,
  .ref dt,
  .contact-side dd,
  .system .k,
  .dims div span,
  .foot-legal span,
  .foot-legal a { font-size: .875rem; }

  /* Dotykové cíle ≥ 44 px. inline-flex je nutný — samotné min-height
     na inline odkazu nemá žádný efekt. */
  a.brand,
  .site-foot ul li a,
  .contact-side dl dd a,
  .foot-grid p a {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
  }

  /* Odkaz uvnitř odstavce: nesmí se z něj stát blok, jinak se rozbije
     obtékání textu. Dotykovou plochu proto zvětšíme svislým paddingem. */
  .narrow p a {
    display: inline-block;
    padding-block: 12px;
  }

  /* Položky patičky si po zvětšení cílů nemusí držet vlastní odsazení */
  .site-foot li { margin-bottom: 0; }
}