/* =========================================================
   TOPIVO BERNARD s.r.o. – Design system
   Měď / mosaz / vodní modrá · IBM Plex Sans + Mono
   8px grid · jemné stíny · jednotné zaoblení
   ========================================================= */

:root {
  /* --- Barvy --- */
  --copper:        #9E4F2B;
  --copper-deep:   #7E3D1F;
  --copper-soft:   #c98a63;
  --brass:         #C2862E;
  --brass-soft:    #E7C88A;
  --water:         #1C5375;
  --water-deep:    #123C57;
  --water-mid:     #2E6E96;

  --ink:           #333333;
  --ink-soft:      #5b5750;
  --ink-faint:     #8a8479;
  --line:          #e6ddd0;
  --line-strong:   #d6c9b6;

  --paper:         #f7f3ed;
  --paper-2:       #efe8dd;
  --white:         #ffffff;
  --cream-card:    #fffdfa;

  /* --- Spacing --- */
  --s1: 4px;  --s2: 8px;  --s3: 16px; --s4: 24px; --s5: 32px;
  --s6: 48px; --s7: 64px; --s8: 96px; --s9: 128px;

  /* --- Radius --- */
  --r-sm: 8px;
  --r-md: 14px;
  --r-lg: 22px;
  --r-xl: 32px;
  --r-pill: 999px;

  /* --- Stíny --- */
  --sh-1: 0 1px 2px rgba(40,28,16,.05), 0 2px 6px rgba(40,28,16,.05);
  --sh-2: 0 2px 6px rgba(40,28,16,.06), 0 12px 28px rgba(40,28,16,.07);
  --sh-3: 0 8px 24px rgba(40,28,16,.10), 0 28px 60px rgba(40,28,16,.10);
  --sh-glass: 0 8px 32px rgba(18,40,60,.18);

  /* --- Layout --- */
  --site-w: 1240px;
  --measure: 68ch;

  /* --- Fonty --- */
  --sans: "IBM Plex Sans", system-ui, -apple-system, Segoe UI, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  --ease: cubic-bezier(.22,.61,.36,1);
  --ease-out: cubic-bezier(.16,1,.3,1);
  --nav-h: 104px;
}

/* =========================================================
   Reset
   ========================================================= */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; scroll-padding-top: var(--nav-h); }

body {
  font-family: var(--sans);
  color: var(--ink);
  background: var(--paper);
  font-size: 1.0625rem;
  line-height: 1.65;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img, svg, picture { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; border: none; background: none; }
input, select, textarea { font: inherit; color: inherit; }
ul { list-style: none; padding: 0; }

::selection { background: var(--brass-soft); color: var(--copper-deep); }
:focus-visible { outline: 3px solid var(--water-mid); outline-offset: 3px; border-radius: 4px; }

/* =========================================================
   Typografie
   ========================================================= */
h1, h2, h3, h4 {
  line-height: 1.12;
  font-weight: 700;
  letter-spacing: -0.015em;
  text-wrap: balance;
  color: var(--ink);
}
h1 { font-size: clamp(2.3rem, 1.4rem + 4.2vw, 4.4rem); }
h2 { font-size: clamp(1.85rem, 1.2rem + 2.8vw, 3.1rem); }
h3 { font-size: clamp(1.3rem, 1.05rem + 1.1vw, 1.7rem); }
h4 { font-size: clamp(1.05rem, .98rem + .5vw, 1.22rem); }
p { text-wrap: pretty; }

.eyebrow {
  font-family: var(--mono);
  font-size: .82rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--copper);
  display: inline-flex;
  align-items: center;
  gap: var(--s2);
}
.eyebrow::before { content: ""; width: 26px; height: 2px; background: var(--copper); display: inline-block; }
.eyebrow.on-dark { color: var(--brass-soft); }
.eyebrow.on-dark::before { background: var(--brass-soft); }

.lead {
  font-size: clamp(1.05rem, 1rem + .4vw, 1.22rem);
  color: var(--ink-soft);
  max-width: var(--measure);
  line-height: 1.7;
}

/* =========================================================
   Layout
   ========================================================= */
.wrap { width: 85%; max-width: var(--site-w); margin-inline: auto; }
.section { padding-block: clamp(var(--s7), 6vw, var(--s9)); }
.section-head { max-width: 760px; margin-bottom: var(--s6); }
.section-head .lead { margin-top: var(--s3); }
.center { text-align: center; margin-inline: auto; }
.center .eyebrow { justify-content: center; }
.center .lead { margin-inline: auto; }

.dark { background: var(--water-deep); color: #eaf1f5; }
#cisla { position: relative; isolation: isolate; }
#cisla::before { content: ""; position: absolute; inset: 0; z-index: -1; background: url('../Obrazky/ivt_tepelne_cerpadlo.jpg') center bottom/cover no-repeat; opacity: .07; }
.dark h1, .dark h2, .dark h3, .dark h4 { color: #ffffff; }
.dark .lead { color: #c4d3dd; }

/* =========================================================
   Tlačítka
   ========================================================= */
.btn {
  display: inline-flex; align-items: center; gap: var(--s2);
  padding: 15px 26px;
  background: var(--copper); color: #fff;
  border-radius: var(--r-pill);
  font-weight: 600; font-size: .98rem; letter-spacing: .005em;
  box-shadow: var(--sh-1);
  border: 1.5px solid transparent;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .25s var(--ease);
  will-change: transform;
}
.btn i { transition: transform .3s var(--ease); }
.btn:hover { transform: translateY(-2px); box-shadow: var(--sh-2); background: var(--copper-deep); }
.btn:hover i.fa-arrow-right { transform: translateX(4px); }
.btn:active { transform: translateY(0); }

.btn--outline-copper {
  background: transparent; color: var(--copper-deep); border-color: var(--copper-soft);
}
.btn--outline-copper:hover { background: var(--copper); color: #fff; border-color: var(--copper); }

.btn--ghost {
  background: transparent; color: var(--ink);
  border-color: var(--line-strong); box-shadow: none;
}
.btn--ghost:hover { background: var(--white); border-color: var(--copper); color: var(--copper-deep); }

.btn--glass {
  background: rgba(255,255,255,.14); color: #fff;
  border-color: rgba(255,255,255,.35);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  box-shadow: none;
}
.btn--glass:hover { background: rgba(255,255,255,.24); border-color: rgba(255,255,255,.6); }

.btn--lg { padding: 18px 32px; font-size: 1.05rem; }
.btn--sm { padding: 10px 20px; font-size: .88rem; }
.btn--block { width: 100%; justify-content: center; }

.link-arrow {
  display: inline-flex; align-items: center; gap: var(--s2);
  font-weight: 600; color: var(--copper-deep); font-size: .95rem;
}
.link-arrow i { transition: transform .3s var(--ease); }
.link-arrow:hover i { transform: translateX(4px); }

/* =========================================================
   Header / Nav
   ========================================================= */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 90;
  height: var(--nav-h);
  display: flex; align-items: center;
  transition: height .3s var(--ease), background .3s var(--ease), box-shadow .3s var(--ease);
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: var(--s4); }
.site-header.scrolled {
  height: 70px;
  background: rgba(247,243,237,.92);
  backdrop-filter: blur(14px) saturate(1.4); -webkit-backdrop-filter: blur(14px) saturate(1.4);
  box-shadow: 0 1px 0 var(--line), var(--sh-1);
}

.brand { display: flex; align-items: center; gap: var(--s3); flex-shrink: 0; }
.brand-mark { display: inline-flex; padding: 6px 10px; border-radius: var(--r-md); transition: background .3s var(--ease), box-shadow .3s var(--ease); }
.brand img { height: 80px; width: auto; transition: height .3s var(--ease); }
.site-header.scrolled .brand img { height: 56px; }

/* Hero-2 je světlý – nav bez invertování */
body[data-hero="2"] .nav-on-hero:not(.scrolled) .nav-links > li > a,
body[data-hero="2"] .nav-on-hero:not(.scrolled) .nav-toggle { color: var(--ink); }
body[data-hero="2"] .nav-on-hero:not(.scrolled) .brand-mark { background: transparent; box-shadow: none; }

.nav { display: flex; align-items: center; gap: var(--s5); }
.nav-links { display: flex; align-items: center; gap: 2px; }
.nav-links > li { position: relative; }
.nav-links > li > a {
  display: inline-flex; align-items: center; gap: 6px; padding: 10px 13px;
  border-radius: var(--r-sm); font-size: .93rem; font-weight: 500; color: var(--ink);
  transition: color .2s, background .2s; white-space: nowrap;
}
.nav-links > li > a:hover { color: var(--copper-deep); background: rgba(158,79,43,.07); }
.nav-links > li.has-sub > a::after {
  content: "\f078"; font-family: "Font Awesome 6 Free"; font-weight: 900;
  font-size: .6rem; opacity: .55; margin-left: 2px;
}

.subnav {
  position: absolute; top: calc(100% + 10px); left: 50%; transform: translateX(-50%) translateY(8px);
  min-width: 290px; background: var(--cream-card);
  border: 1px solid var(--line); border-radius: var(--r-md);
  box-shadow: var(--sh-3); padding: var(--s2);
  opacity: 0; visibility: hidden; transition: all .25s var(--ease); z-index: 5;
}
.nav-links > li.has-sub:hover .subnav { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.subnav a {
  display: flex; align-items: center; gap: var(--s3); padding: 11px 13px;
  border-radius: var(--r-sm); font-size: .92rem; font-weight: 500; color: var(--ink);
  transition: background .18s, color .18s;
}
.subnav a:hover { background: var(--paper); color: var(--copper-deep); }
.subnav a i { color: var(--copper); width: 18px; text-align: center; font-size: .9rem; }

.nav-cta {
  display: inline-flex; align-items: center; gap: 11px;
  background: var(--water); color: #fff;
  padding: 9px 12px 9px 16px; border-radius: var(--r-pill);
  box-shadow: var(--sh-1);
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .25s;
}
.nav-cta:hover { transform: translateY(-2px); background: var(--water-deep); box-shadow: var(--sh-2); }
.nav-cta .nc-ic { width: 34px; height: 34px; border-radius: 50%; background: rgba(255,255,255,.16); display: grid; place-items: center; font-size: .95rem; }
.nav-cta .nc-txt { display: flex; flex-direction: column; line-height: 1.1; }
.nav-cta .nc-txt small { font-family: var(--mono); font-size: .62rem; letter-spacing: .12em; text-transform: uppercase; opacity: .8; }
.nav-cta .nc-txt strong { font-size: .98rem; font-weight: 600; }

.nav-toggle { display: none; width: 46px; height: 46px; border-radius: var(--r-sm); align-items: center; justify-content: center; font-size: 1.3rem; color: var(--ink); }

/* Mobilní menu */
.mobile-menu {
  position: fixed; inset: 0; z-index: 100;
  background: var(--paper); transform: translateX(100%);
  transition: transform .4s var(--ease-out);
  display: flex; flex-direction: column; padding: var(--s4); overflow-y: auto;
}
.mobile-menu.open { transform: translateX(0); }
.mobile-menu .mm-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: var(--s5); }
.mobile-menu .mm-top img { height: 52px; }
.mm-close { width: 46px; height: 46px; font-size: 1.5rem; color: var(--ink); }
.mobile-menu nav a { display: flex; align-items: center; justify-content: space-between; padding: 16px 4px; font-size: 1.25rem; font-weight: 600; border-bottom: 1px solid var(--line); }
.mobile-menu nav a i { color: var(--copper); font-size: .9rem; }
.mm-sub { padding-left: var(--s3); }
.mm-sub a { font-size: 1.02rem; font-weight: 500; color: var(--ink-soft); }
.mobile-menu .nav-cta { margin-top: var(--s5); align-self: flex-start; }
body.no-scroll { overflow: hidden; }

/* =========================================================
   POPUP – Akce IVT
   ========================================================= */
.popup-overlay {
  position: fixed; inset: 0;
  background: rgba(18,40,60,.7);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  z-index: 200;
  display: flex; align-items: center; justify-content: center; padding: var(--s4);
  opacity: 0; visibility: hidden;
  transition: opacity .4s ease, visibility .4s ease;
}
.popup-overlay.is-visible { opacity: 1; visibility: visible; }

.popup {
  position: relative; background: var(--white);
  border-radius: var(--r-xl); padding: var(--s6) var(--s5);
  max-width: 520px; width: 100%; text-align: center;
  box-shadow: var(--sh-3);
  transform: translateY(30px) scale(.97);
  transition: transform .45s cubic-bezier(.34,1.4,.64,1);
  overflow: hidden;
}
.popup::before {
  content: ''; position: absolute; top:0; left:0; right:0; height: 4px;
  background: linear-gradient(90deg, var(--copper), var(--brass));
}
.popup-overlay.is-visible .popup { transform: translateY(0) scale(1); }

.popup__close {
  position: absolute; top: var(--s3); right: var(--s3);
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--paper); color: var(--ink-soft); font-size: 1.1rem;
  display: flex; align-items: center; justify-content: center;
  transition: background .2s, color .2s;
}
.popup__close:hover { background: var(--paper-2); color: var(--copper); }

.popup__badge {
  display: inline-block;
  background: linear-gradient(135deg, var(--copper), var(--copper-deep));
  color: #fff; font-family: var(--mono); font-size: .7rem; font-weight: 500;
  letter-spacing: .1em; text-transform: uppercase;
  padding: .4em 1.2em; border-radius: var(--r-pill);
  margin-bottom: var(--s3);
}

.popup__title { font-size: clamp(1.4rem,3vw,1.9rem); color: var(--water-deep); margin-bottom: var(--s2); }
.popup__text  { color: var(--ink-soft); font-size: .92rem; margin-bottom: var(--s4); max-width: 44ch; margin-inline: auto; }

.popup__models { display: grid; grid-template-columns: 1fr 1fr; gap: var(--s2); margin-bottom: var(--s4); }
.popup__model {
  background: var(--paper); border: 1px solid var(--line);
  border-radius: var(--r-md); padding: var(--s3) var(--s2);
  display: flex; flex-direction: column; gap: 5px; text-align: left;
}
.popup__model strong { font-family: var(--sans); font-size: .87rem; color: var(--water-deep); }
.popup__model span   { color: var(--copper); font-weight: 700; font-size: .95rem; }
.popup__model small  { color: var(--ink-faint); font-size: .77rem; }
.popup__cta { width: 100%; justify-content: center; }

/* =========================================================
   Hero – sdílené
   ========================================================= */
.hero { position: relative; min-height: 100svh; display: flex; align-items: center; isolation: isolate; }
.hero-variant { display: none; }
body[data-hero="2"] #hero-2 { display: flex; }
.hero-variant { width: 100%; min-height: 100svh; align-items: center; }

.trust-chips { display: flex; flex-wrap: wrap; gap: var(--s2); }
.chip {
  display: inline-flex; align-items: center; gap: 9px; padding: 9px 16px;
  border-radius: var(--r-pill); font-size: .9rem; font-weight: 500;
  background: var(--white); border: 1px solid var(--line); color: var(--ink);
  box-shadow: var(--sh-1);
}
.chip i { color: var(--copper); }

/* =========================================================
   Hero 2 – Editorial split (světlý)
   ========================================================= */
#hero-2 { background: var(--paper); }
#hero-2 .h2-grid {
  display: grid; grid-template-columns: 1.02fr 1fr;
  gap: clamp(var(--s5), 4vw, var(--s8));
  align-items: center;
  padding-top: calc(var(--nav-h) + var(--s5)); padding-bottom: var(--s7);
}
#hero-2 .h2-copy h1 { margin: var(--s4) 0; }
#hero-2 .h2-copy h1 .accent { color: var(--copper); }
#hero-2 .trust-chips { margin: var(--s5) 0 var(--s6); }
#hero-2 .h2-actions { display: flex; flex-wrap: wrap; gap: var(--s3); align-items: center; }

#hero-2 .h2-media { position: relative; }
#hero-2 .h2-photo {
  border-radius: var(--r-xl); overflow: hidden; box-shadow: var(--sh-3);
  aspect-ratio: 4/5; position: relative;
}
#hero-2 .h2-photo img { width: 100%; height: 100%; object-fit: cover; }
#hero-2 .h2-photo::before { content:""; position: absolute; inset: 0; z-index: 1; background: rgba(20,12,6,.13); }
#hero-2 .h2-photo::after { content:""; position: absolute; inset: 0; z-index: 1; background: linear-gradient(180deg, transparent 55%, rgba(18,40,60,.28)); }

#hero-2 .float-card {
  position: absolute; left: -40px; bottom: 36px; z-index: 3;
  background: rgba(247,243,237,.68);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(247,243,237,.5);
  border-radius: var(--r-lg); padding: 18px 22px; box-shadow: var(--sh-2);
  display: flex; align-items: center; gap: var(--s3); max-width: 290px;
}
#hero-2 .float-card .fc-ic { width: 46px; height: 46px; border-radius: 13px; background: var(--copper); color:#fff; display: grid; place-items: center; font-size: 1.15rem; flex-shrink: 0; }
#hero-2 .float-card small { font-family: var(--mono); font-size: .64rem; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-soft); }
#hero-2 .float-card strong { display: block; font-size: 1.12rem; color: var(--ink); }


/* =========================================================
   Trust bar
   ========================================================= */
.trustbar { background: var(--white); border-block: 1px solid var(--line); }
.trustbar .wrap { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: var(--s4); padding-block: var(--s4); }
.trustbar .tb-item { display: flex; align-items: center; gap: 12px; font-size: .94rem; color: var(--ink-soft); font-weight: 500; }
.trustbar .tb-item i { color: var(--copper); font-size: 1.15rem; }

/* =========================================================
   Služby
   ========================================================= */
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--s4); }

.service-card {
  border-radius: var(--r-lg); padding: 0;
  display: flex; flex-direction: column;
  position: relative; overflow: hidden;
  aspect-ratio: 3 / 4;
  transition: transform .4s var(--ease), box-shadow .4s var(--ease);
  box-shadow: var(--sh-1);
  background: var(--ink);
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--sh-3); }

/* Fotka na pozadí */
.service-bg {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover; object-position: center;
  transition: transform .55s var(--ease);
  z-index: 0;
}
.service-card:hover .service-bg { transform: scale(1.06); }

/* Tmavý přechod od spodku */
.service-card::after {
  content: ""; position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(to top, rgba(14,10,6,.85) 15%, rgba(14,10,6,.30) 40%, transparent 65%);
}

/* Číslo karty */
.service-num {
  position: absolute; top: 16px; right: 20px; z-index: 2;
  font-family: var(--mono); font-size: .8rem; font-weight: 500;
  color: rgba(255,255,255,.55);
}

/* Glass panel dole */
.service-body {
  position: relative; z-index: 2;
  margin-top: auto;
  padding: var(--s4) var(--s5) var(--s5);
  background: rgba(255,255,255,.08);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-top: 1px solid rgba(255,255,255,.15);
  display: flex; flex-direction: column; gap: var(--s2);
}
.service-card h3 { font-size: 1.12rem; color: #fff; margin: 0; }
.service-card p  { color: rgba(255,255,255,.78); font-size: .93rem; margin: 0; }
.service-card .link-arrow { color: var(--copper-light, #d4824e); margin-top: var(--s1); font-size: .9rem; }

/* =========================================================
   Čísla / Stats (dark sekce)
   ========================================================= */
.stats-block { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--s4); }
.stat { text-align: left; padding: var(--s4) 0; border-top: 2px solid rgba(255,255,255,.18); }
.dark .stat b { display: block; font-size: clamp(2.4rem, 1.6rem + 2.6vw, 3.6rem); font-weight: 700; letter-spacing: -.03em; color: #fff; }
.stat span { font-family: var(--mono); font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: #bcccd6; display: block; margin-top: 6px; }

.about-split { display: grid; grid-template-columns: 1.4fr 1fr; gap: clamp(var(--s6), 5vw, var(--s8)); align-items: start; margin-top: var(--s8); }
.about-split .lead { color: #cfdce4; }
.about-split .a-text p + p { margin-top: var(--s4); }
.about-split .a-text p:not(.lead) { color: #b0c4d0; }

.mini-cards { display: flex; flex-direction: column; gap: var(--s3); }
.mini-card {
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--r-md); padding: var(--s4); display: flex; gap: var(--s3); align-items: flex-start;
  transition: background .3s, transform .3s var(--ease);
}
.mini-card:hover { background: rgba(255,255,255,.1); transform: translateX(4px); }
.mini-card .mc-ic { width: 44px; height: 44px; border-radius: 12px; background: var(--copper); color:#fff; display: grid; place-items: center; font-size: 1.05rem; flex-shrink: 0; }
.mini-card h4 { color: #fff; margin-bottom: 4px; }
.mini-card p { color: #c4d3dd; font-size: .92rem; }
.mini-card a.phone { color: var(--brass-soft); font-family: var(--mono); font-weight: 500; font-size: 1.05rem; }

/* =========================================================
   Proč my
   ========================================================= */
.why { background: var(--paper); }
.why-grid {
  background: url('../Obrazky/rodina_topivo_bernard.png') center/cover no-repeat;
  border-radius: var(--r-xl); position: relative; overflow: hidden;
  padding: clamp(var(--s6), 5vw, var(--s8));
  display: flex; flex-direction: column; gap: var(--s6);
}
.why-grid::before {
  content: ""; position: absolute; inset: 0;
  background: rgba(16,24,38,.64); z-index: 0;
}
.why-grid > * { position: relative; z-index: 1; }
.why-aside { max-width: 620px; }
.why-aside .eyebrow { color: var(--brass-soft); }
.why-aside .eyebrow::before { background: var(--brass-soft); }
.why-aside h2 { color: #fff; }
.why-aside .lead { color: rgba(255,255,255,.82); }

.why-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--s3); }
.why-item {
  background: rgba(255,255,255,.09);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(255,255,255,.16);
  border-radius: var(--r-lg); padding: var(--s4); box-shadow: none;
}
.why-item:hover { transform: translateY(-4px); border-color: rgba(255,255,255,.3); box-shadow: none; }
.why-item .wi-ic { width: 44px; height: 44px; border-radius: 12px; background: var(--brass-soft); color: var(--water-deep); display:grid; place-items:center; font-size: 1.05rem; margin-bottom: var(--s3); }
.why-item h4 { color: #fff; margin-bottom: 6px; }
.why-item p { font-size: .94rem; color: rgba(255,255,255,.72); }

.why-aside .stamp {
  display: inline-flex; align-items: center; gap: 10px; font-family: var(--mono); font-size: .8rem;
  color: var(--copper-deep); background: var(--white); border: 1px solid var(--line);
  padding: 10px 16px; border-radius: var(--r-pill); margin-top: var(--s4); box-shadow: var(--sh-1);
}

/* =========================================================
   Reference slider
   ========================================================= */
.refs { background: var(--white); }
.ref-slider { position: relative; margin: var(--s6) auto 0; }
.ref-track { overflow: hidden; }
.ref-rail { display: flex; transition: transform .55s var(--ease-out); }
.ref-slide { min-width: calc(100% / 3); padding: 0 var(--s2); box-sizing: border-box; }

.ref-text-wrap { position: relative; }
.ref-text--clamped { overflow: hidden; display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 5; }
.ref-readmore { background: none; border: none; cursor: pointer; color: var(--copper); font-size: .85rem; font-weight: 600; padding: var(--s2) 0 0; display: inline-block; font-family: var(--sans); }
.ref-readmore:hover { color: var(--copper-deep); }

.ref-card {
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--r-xl);
  padding: clamp(var(--s5), 4vw, var(--s7)); position: relative; box-shadow: var(--sh-1);
}
.ref-card .quote-mark { font-family: Georgia, serif; font-size: 5rem; line-height: .6; color: var(--brass-soft); position: absolute; top: 30px; left: 30px; opacity: .5; }
.ref-stars { display: flex; gap: 4px; color: var(--brass); margin-bottom: var(--s3); position: relative; z-index: 1; }
.ref-text { font-size: clamp(1.05rem, 1rem + .55vw, 1.28rem); line-height: 1.65; color: var(--ink); position: relative; z-index: 1; max-width: 62ch; }
.ref-meta { display: flex; align-items: center; gap: var(--s3); margin-top: var(--s5); }
.ref-avatar { width: 52px; height: 52px; border-radius: 50%; background: linear-gradient(145deg, var(--copper), var(--brass)); color:#fff; display:grid; place-items:center; font-weight:700; font-size: 1.1rem; flex-shrink: 0; }
.ref-meta b { display: block; }
.ref-meta span { font-family: var(--mono); font-size: .74rem; letter-spacing: .06em; color: var(--ink-faint); text-transform: uppercase; }

.ref-nav { display: flex; align-items: center; justify-content: center; gap: var(--s3); margin-top: var(--s5); }
.ref-google-link { text-align: center; margin-top: var(--s4); }
.ref-arrow { width: 50px; height: 50px; border-radius: 50%; border: 1.5px solid var(--line-strong); display:grid; place-items:center; font-size: 1rem; color: var(--ink); transition: all .25s var(--ease); background:#fff; }
.ref-arrow:hover { background: var(--copper); color:#fff; border-color: var(--copper); transform: scale(1.05); }
.ref-dots { display: flex; gap: 8px; }
.ref-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--line-strong); transition: all .3s var(--ease); }
.ref-dot.active { background: var(--copper); width: 26px; border-radius: var(--r-pill); }

/* =========================================================
   PARALLAX CTA – potrubí
   ========================================================= */
.cta-parallax {
  position: relative;
  min-height: 400px;
  display: flex; align-items: center;
  overflow: hidden;
  background-image: url('../Obrazky/potrubi.jpeg');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}
@media (max-width: 880px) {
  .cta-parallax { background-attachment: scroll; }
}

.cta-parallax__overlay {
  position: absolute; inset: 0;
  background: linear-gradient(
    100deg,
    rgba(18,60,87,.88) 0%,
    rgba(18,60,87,.75) 50%,
    rgba(158,79,43,.65) 100%
  );
}

.cta-parallax__inner {
  position: relative; z-index: 1;
  padding-block: clamp(var(--s7), 8vw, var(--s9));
}

.cta-parallax__content { max-width: 680px; }

.cta-parallax__content .eyebrow { color: var(--brass-soft); }
.cta-parallax__content .eyebrow::before { background: var(--brass-soft); }

.cta-parallax__title {
  font-size: clamp(1.9rem, 4vw, 3rem);
  color: #fff; font-weight: 800; line-height: 1.12;
  margin: var(--s3) 0;
  text-shadow: 0 2px 24px rgba(0,0,0,.25);
}
.cta-parallax__title em { color: var(--brass-soft); font-style: normal; }

.cta-parallax__sub {
  color: rgba(255,255,255,.78);
  font-size: 1.05rem; margin-bottom: var(--s5); max-width: 52ch;
}

.cta-parallax__btns { display: flex; flex-wrap: wrap; gap: var(--s3); }

/* =========================================================
   Kontakt + mapa
   ========================================================= */
.contact { background: var(--paper); }
.contact-grid { display: grid; grid-template-columns: 1fr 1.05fr; gap: clamp(var(--s6), 5vw, var(--s8)); align-items: start; }
.contact-intro .lead { margin: var(--s3) 0 var(--s5); }
.or { font-family: var(--mono); font-size: .82rem; color: var(--ink-faint); text-transform: uppercase; letter-spacing: .1em; display: block; margin-top: var(--s4); }

.contact-persons { margin-top: var(--s5); display: flex; flex-direction: column; gap: var(--s4); }
.contact-person { display: flex; gap: var(--s4); align-items: center; }
.person-photo { width: 136px; min-width: 136px; aspect-ratio: 1; border-radius: 50%; object-fit: contain; object-position: center bottom; flex-shrink: 0; background: var(--paper); display: block; }
.person-photo--zoom { object-fit: cover; object-position: center 15%; }
.person-info { display: flex; flex-direction: column; gap: 3px; }
.person-info b { font-size: 1rem; color: var(--ink); display: block; }
.person-info small { font-family: var(--mono); font-size: .7rem; letter-spacing: .05em; color: var(--ink-faint); text-transform: uppercase; }
.person-info .btn { align-self: flex-start; margin-top: var(--s2); }

.form-card { background: var(--cream-card); border: 1px solid var(--line); border-radius: var(--r-xl); padding: clamp(var(--s5), 4vw, var(--s6)); box-shadow: var(--sh-2); }
.form-card h3 { margin-bottom: var(--s2); }
.form-card > p.muted { color: var(--ink-faint); font-size: .92rem; margin-bottom: var(--s5); }

.field { margin-bottom: var(--s4); }
.field label { display: block; font-size: .86rem; font-weight: 600; margin-bottom: 8px; color: var(--ink); }
.field label .req { color: #c0392b; }
.field input, .field select, .field textarea {
  width: 100%; padding: 14px 16px; border: 1.5px solid var(--line-strong);
  border-radius: var(--r-sm); background: var(--white);
  transition: border-color .2s, box-shadow .2s;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--copper);
  box-shadow: 0 0 0 3px rgba(158,79,43,.12);
}
.field textarea { resize: vertical; min-height: 120px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--s4); }

.hp-field { position: absolute; left: -9999px; opacity: 0; height: 0; overflow: hidden; pointer-events: none; }
.gdpr { display: flex; gap: 12px; align-items: flex-start; font-size: .86rem; color: var(--ink-soft); margin-bottom: var(--s4); }
.gdpr input { width: 18px; height: 18px; margin-top: 3px; accent-color: var(--copper); }

.form-success { display: none; padding: var(--s4); background: #eaf5ee; border: 1px solid #bfe0cb; border-radius: var(--r-md); color: #1f6b3b; font-weight: 500; align-items: center; gap: 12px; margin-bottom: var(--s4); }
.form-success.show { display: flex; }

/* Mapa – full width pod kontaktem, bez mezery */
.contact { padding-bottom: 0; }

.map-wrap {
  margin-top: var(--s8);
  position: relative;
  width: 100vw;
  left: 50%;
  right: 50%;
  margin-left: -50vw;
  margin-right: -50vw;
  line-height: 0;   /* eliminuje phantom mezeru pod iframe */
}
.map-wrap iframe { width: 100%; height: 480px; border: 0; display: block; filter: saturate(.9) contrast(.96); }

/* =========================================================
   Patička
   ========================================================= */
.site-footer { background: var(--water-deep); color: #cdd9e1; padding-top: var(--s8); }
.footer-top { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.1fr; gap: var(--s6); padding-bottom: var(--s7); border-bottom: 1px solid rgba(255,255,255,.12); }
.footer-brand img { height: 120px; margin-bottom: var(--s4); }
.footer-brand p { font-size: .94rem; max-width: 36ch; color: #aebecb; }
.footer-social { display: flex; gap: 12px; margin-top: var(--s4); }
.footer-social a { width: 42px; height: 42px; border-radius: 50%; background: rgba(255,255,255,.08); display:grid; place-items:center; font-size: 1.05rem; color:#fff; transition: background .25s, transform .25s; }
.footer-social a:hover { background: var(--copper); transform: translateY(-3px); }

.footer-col h4 { color:#fff; font-size: .95rem; margin-bottom: var(--s4); font-family: var(--mono); text-transform: uppercase; letter-spacing: .08em; font-weight: 500; }
.footer-col ul { display: grid; gap: 12px; }
.footer-col ul a { font-size: .94rem; color:#bcccd6; transition: color .2s, padding .2s; display: inline-flex; }
.footer-col ul a:hover { color:#fff; padding-left: 5px; }

.footer-info { font-size: .9rem; line-height: 1.8; color:#aebecb; }
.footer-info strong { color:#fff; }
.footer-info .row { display:flex; gap: 10px; }
.footer-info i { color: var(--brass-soft); width: 18px; margin-top: 6px; flex-shrink: 0; }
.footer-info a { color: #bcccd6; transition: color .2s; }
.footer-info a:hover { color: #fff; }

.footer-bottom { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: var(--s3); padding-block: var(--s4); font-size: .84rem; color:#8ea2af; }
.footer-bottom .fb-links { display: flex; gap: var(--s4); }
.footer-bottom a:hover { color:#fff; }

/* =========================================================
   FAB – plovoucí tlačítko Akce IVT
   ========================================================= */
.popup-fab {
  position: fixed; bottom: var(--s5); right: var(--s5); z-index: 9001;
  width: 60px; height: 60px; border-radius: 50%;
  background: var(--copper); color: #fff; border: none; cursor: pointer;
  display: grid; place-items: center; font-size: 1.35rem;
  box-shadow: 0 4px 20px rgba(158,79,43,.45);
  opacity: 0; transform: scale(0);
  transition: opacity .35s, transform .35s cubic-bezier(.34,1.4,.64,1);
}
.popup-fab.is-visible { opacity: 1; transform: scale(1); }
.popup-fab:hover { background: var(--copper-deep); transform: scale(1.1); }
.popup-fab__label {
  position: absolute; right: calc(100% + 10px); top: 50%; transform: translateY(-50%);
  background: var(--ink); color: #fff; font-size: .72rem; font-family: var(--mono);
  white-space: nowrap; padding: 4px 10px; border-radius: 20px; letter-spacing: .05em;
  opacity: 0; pointer-events: none; transition: opacity .2s;
}
.popup-fab:hover .popup-fab__label { opacity: 1; }

/* =========================================================
   Cookie banner
   ========================================================= */
.cookie-banner {
  position: fixed; bottom: 0; left: 0; right: 0;
  transform: translateY(100%);
  z-index: 9000;
  background: var(--water-deep); border-top: 1px solid rgba(255,255,255,.12);
  padding: var(--s4) var(--s5);
  box-shadow: 0 -4px 32px rgba(0,0,0,.3);
  transition: transform .45s cubic-bezier(.34,1.2,.64,1);
}
.cookie-banner.is-visible { transform: translateY(0); }
.cookie-banner__inner {
  max-width: 1160px; margin: 0 auto;
  display: flex; align-items: center; gap: var(--s5); justify-content: space-between; flex-wrap: wrap;
}
.cookie-banner__content { flex: 1; min-width: 220px; }
.cookie-banner__title { font-weight: 700; color: #fff; font-size: .95rem; margin-bottom: 4px; }
.cookie-banner__text { font-size: .83rem; color: rgba(255,255,255,.65); line-height: 1.55; }
.cookie-banner__text a { color: var(--brass-soft); text-decoration: underline; white-space: nowrap; }
.cookie-banner__actions { display: flex; gap: var(--s2); flex-wrap: wrap; align-items: center; flex-shrink: 0; }
.cookie-btn-outline { background: transparent; border-color: rgba(255,255,255,.35); color: rgba(255,255,255,.85); }
.cookie-btn-outline:hover { background: rgba(255,255,255,.1); border-color: rgba(255,255,255,.65); color: #fff; }

/* =========================================================
   Reveal on scroll
   ========================================================= */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s var(--ease-out), transform .7s var(--ease-out); }
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .08s; }
.reveal.d2 { transition-delay: .16s; }
.reveal.d3 { transition-delay: .24s; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; }
  .reveal { opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}

/* =========================================================
   Responsivita – Tablet ≤ 1080px
   ========================================================= */
@media (max-width: 1080px) {
  .nav-links { display: none; }
  .nav-toggle { display: inline-flex; }
  .nav-cta .nc-txt { display: none; }
  .nav-cta { padding: 9px; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr 1fr; gap: var(--s5); }
}

@media (max-width: 880px) {
  :root { --nav-h: 84px; }
  .wrap { width: 88%; }
  #hero-2 .h2-grid { grid-template-columns: 1fr; }
  #hero-2 .h2-media { order: -1; max-width: 460px; }
  #hero-2 .float-card { left: 0; }
  .about-split, .why-grid, .contact-grid { grid-template-columns: 1fr; }
  .why-aside { order: -1; }
  .stats-block { grid-template-columns: 1fr 1fr; gap: var(--s5); }
}

@media (max-width: 620px) {
  body { font-size: 1rem; }
  .wrap { width: 92%; }
  .services-grid { grid-template-columns: 1fr; }
  .why-list { grid-template-columns: 1fr; }
  .field-row { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; gap: var(--s5); }
  .contact-person { align-items: flex-start; }
  .ref-card .quote-mark { display: none; }
  .ref-slide { min-width: 100%; }
  .ref-text--clamped { -webkit-line-clamp: unset; overflow: visible; display: block; }
  .ref-readmore { display: none; }
}

/* =========================================================
   Inner pages – white header always on
   ========================================================= */
body.inner-page #siteHeader {
  height: 70px;
  background: rgba(247,243,237,.97);
  backdrop-filter: blur(14px) saturate(1.4);
  -webkit-backdrop-filter: blur(14px) saturate(1.4);
  box-shadow: 0 1px 0 var(--line), var(--sh-1);
}
body.inner-page #siteHeader .brand img { height: 56px; }

/* =========================================================
   Page hero (podstránky – menší, tmavě modrá)
   ========================================================= */
.page-hero {
  padding-top: calc(var(--nav-h) + var(--s5));
  padding-bottom: var(--s7);
  background: var(--water-deep);
  position: relative; isolation: isolate; overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(135deg, var(--water-deep) 0%, var(--water) 100%);
}
.page-hero::after {
  content: '';
  position: absolute; inset: 0; z-index: -1;
  background: radial-gradient(ellipse at 72% 60%, rgba(194,134,46,.14) 0%, transparent 55%);
}
.page-hero h1 { color: #fff; margin-top: var(--s2); font-size: clamp(1.75rem, 1.2rem + 2.6vw, 2.55rem); }
.page-hero .eyebrow { color: var(--brass-soft); }
.page-hero .eyebrow::before { background: var(--brass-soft); }
.page-hero .lead { color: rgba(255,255,255,.72); margin-top: var(--s2); max-width: 60ch; font-size: clamp(.88rem, .82rem + .3vw, 1rem); }
.page-hero + .section { padding-top: clamp(var(--s6), 4vw, var(--s7)); }

.breadcrumb {
  display: flex; align-items: center; gap: var(--s2);
  font-size: .79rem; color: rgba(255,255,255,.5);
  margin-bottom: var(--s4); font-family: var(--mono);
  flex-wrap: wrap;
}
.breadcrumb a { color: rgba(255,255,255,.75); transition: color .2s; }
.breadcrumb a:hover { color: #fff; }
.breadcrumb i { font-size: .6rem; opacity: .7; }

/* =========================================================
   Galerie – rozcestník (6 kategorií)
   ========================================================= */
.cat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s4);
  margin-top: var(--s6);
}
.cat-card {
  position: relative; border-radius: var(--r-lg);
  overflow: hidden; min-height: 290px;
  display: flex; flex-direction: column; justify-content: flex-end;
  text-decoration: none; color: #fff;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
  box-shadow: var(--sh-2);
}
.cat-card:hover { transform: translateY(-5px); box-shadow: var(--sh-3); }
.cat-card__bg { position: absolute; inset: 0; }
.cat-card__bg img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .5s var(--ease);
}
.cat-card:hover .cat-card__bg img { transform: scale(1.06); }
.cat-card__overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(18,40,60,.88) 0%, rgba(18,40,60,.4) 50%, rgba(18,40,60,.1) 100%);
  transition: background .3s;
}
.cat-card:hover .cat-card__overlay {
  background: linear-gradient(to top, rgba(18,40,60,.94) 0%, rgba(18,40,60,.55) 60%, rgba(18,40,60,.2) 100%);
}
.cat-card__body {
  position: relative; z-index: 1;
  padding: var(--s4);
  display: flex; flex-direction: column; gap: var(--s2);
}
.cat-card__ic {
  width: 46px; height: 46px; border-radius: var(--r-md);
  background: rgba(255,255,255,.14);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,.22);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; color: #fff; margin-bottom: var(--s1);
}
.cat-card h3 { color: #fff; font-size: clamp(1.1rem, .95rem + .7vw, 1.42rem); }
.cat-card__desc { font-size: .86rem; color: rgba(255,255,255,.72); line-height: 1.55; }
.cat-card__footer {
  display: flex; align-items: center; justify-content: space-between;
  margin-top: var(--s2);
}
.cat-card__meta {
  font-family: var(--mono); font-size: .7rem; color: rgba(255,255,255,.5);
  letter-spacing: .1em; text-transform: uppercase;
}
.cat-card .link-arrow {
  color: var(--brass-soft); font-size: .88rem;
  display: inline-flex; align-items: center; gap: var(--s2); font-weight: 600;
}
.cat-card .link-arrow i { transition: transform .3s var(--ease); }
.cat-card:hover .link-arrow i { transform: translateX(4px); }

/* Gradient fallback – pro kategorie bez foto */
.cat-bg--tc { background: linear-gradient(135deg, #0d3a52 0%, #1c5375 100%); }
.cat-bg--pt { background: linear-gradient(135deg, #5a3020 0%, #9e4f2b 100%); }
.cat-bg--vv { background: linear-gradient(135deg, #1a3a4a 0%, #2e6e96 100%); }
.cat-bg--vi { background: linear-gradient(135deg, #1c3a2c 0%, #2d6047 100%); }
.cat-bg--ko { background: linear-gradient(135deg, #3a1c1c 0%, #7a3535 100%); }
.cat-bg--kr { background: linear-gradient(135deg, #2a2216 0%, #5a4020 100%); }

/* =========================================================
   Galerie – projekt grid (stránka kategorie)
   ========================================================= */
.proj-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s3);
}
.proj-card {
  background: var(--cream-card);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), border-color .25s;
  text-decoration: none; color: inherit;
  display: flex; flex-direction: column;
}
.proj-card:hover { transform: translateY(-3px); box-shadow: var(--sh-2); border-color: var(--copper-soft); }
.proj-card__img {
  aspect-ratio: 4/3;
  background: var(--paper-2);
  overflow: hidden; position: relative;
  display: flex; align-items: center; justify-content: center;
}
.proj-card__img img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .4s var(--ease);
}
.proj-card:hover .proj-card__img img { transform: scale(1.05); }
.proj-card__placeholder {
  display: flex; flex-direction: column; align-items: center;
  justify-content: center; gap: var(--s2);
  color: var(--line-strong); width: 100%; height: 100%;
  position: absolute; inset: 0;
}
.proj-card__placeholder i { font-size: 1.8rem; }
.proj-card__placeholder span {
  font-size: .69rem; font-family: var(--mono);
  color: var(--ink-faint); letter-spacing: .08em; text-transform: uppercase;
}
.proj-count {
  position: absolute; top: var(--s2); right: var(--s2);
  background: rgba(18,40,60,.65);
  backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
  color: #fff; font-family: var(--mono); font-size: .66rem;
  padding: 3px 8px; border-radius: var(--r-pill);
  display: flex; align-items: center; gap: 4px; letter-spacing: .04em;
}
.proj-card__body {
  padding: var(--s3) var(--s3) var(--s4);
  display: flex; flex-direction: column; gap: var(--s1); flex: 1;
}
.proj-card__body h3 {
  font-size: .95rem; color: var(--ink); line-height: 1.35;
  font-weight: 600; letter-spacing: 0;
}
.proj-card__meta {
  font-family: var(--mono); font-size: .68rem; color: var(--ink-faint);
  letter-spacing: .07em; text-transform: uppercase;
}
.proj-card .link-arrow { font-size: .84rem; margin-top: auto; padding-top: var(--s2); color: var(--copper-deep); }

.cat-back {
  display: inline-flex; align-items: center; gap: var(--s2);
  font-size: .88rem; font-weight: 600; color: var(--copper-deep);
  padding: 12px 20px; background: var(--cream-card);
  border: 1px solid var(--line); border-radius: var(--r-pill);
  transition: border-color .2s, box-shadow .2s; margin-bottom: var(--s5);
}
.cat-back:hover { border-color: var(--copper-soft); box-shadow: var(--sh-1); }

@media (max-width: 900px) {
  .cat-grid { grid-template-columns: repeat(2, 1fr); gap: var(--s3); }
  .proj-grid { grid-template-columns: repeat(2, 1fr); }
  .cat-card { min-height: 240px; }
}
@media (max-width: 560px) {
  .cat-grid { grid-template-columns: 1fr; }
  .proj-grid { grid-template-columns: 1fr; }
  .cat-card { min-height: 200px; }
}