/* ==========================================================================
   Instalatér Chrudim — Michal Paulus
   Jeden stylopis pro celý web. Bez frameworku, bez závislostí.
   ========================================================================== */

:root {
  --ink: #0e1519;
  --ink-2: #16212a;
  --ink-3: #24343f;
  --paper: #f7f5f2;
  --paper-2: #efebe5;
  --white: #fff;
  --slate: #3d4f5a;
  --mute: #6c7c86;
  --line: #ddd8d1;
  --line-lt: rgba(255, 255, 255, .16);
  --copper: #a8482a;
  --copper-2: #c25c34;
  --copper-lt: #e6a184;

  --f-disp: "Barlow Condensed", "Arial Narrow", "Helvetica Neue", system-ui, sans-serif;
  --f-body: "Barlow", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  --wrap: 1140px;
  --gut: clamp(18px, 5vw, 40px);
  --sec: clamp(56px, 8vw, 104px);
  --r: 3px;
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { animation: none !important; transition: none !important; } }

body {
  margin: 0;
  background: var(--paper);
  color: var(--slate);
  font-family: var(--f-body);
  font-size: 17px;
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
  overflow-wrap: break-word;
}

h1, h2, h3 { font-family: var(--f-disp); font-weight: 700; color: var(--ink); line-height: 1.05; letter-spacing: -.005em; margin: 0 0 .5em; }
p { margin: 0 0 1.1em; }
a { color: var(--copper); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--copper-2); }
ul, ol { margin: 0 0 1.2em; padding-left: 1.1em; }
strong { color: var(--ink); font-weight: 600; }
svg.ico { width: 22px; height: 22px; flex: 0 0 auto; }

:focus-visible { outline: 2px solid var(--copper-2); outline-offset: 3px; border-radius: 2px; }

.wrap { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: var(--gut); }

.skip { position: absolute; left: -9999px; }
.skip:focus { left: 12px; top: 12px; z-index: 100; background: var(--ink); color: #fff; padding: 10px 16px; }

.eyebrow {
  font-family: var(--f-disp); font-weight: 600; font-size: 15px; letter-spacing: .16em;
  text-transform: uppercase; color: var(--copper); margin: 0 0 .7em;
}
.eyebrow--light { color: var(--copper-lt); }

/* ---------- hlavička ---------- */
.hdr {
  position: sticky; top: 0; z-index: 50;
  background: rgba(247, 245, 242, .93);
  backdrop-filter: saturate(1.4) blur(8px);
  border-bottom: 1px solid var(--line);
}
.hdr__in { display: flex; align-items: center; gap: 20px; min-height: 68px; }
.brand { display: flex; align-items: center; gap: 11px; text-decoration: none; color: inherit; margin-right: auto; }
.brand__mark {
  width: 38px; height: 38px; display: grid; place-items: center; background: var(--ink); color: var(--paper);
  font-family: var(--f-disp); font-weight: 700; font-size: 17px; letter-spacing: .04em;
  border-bottom: 3px solid var(--copper);
}
.brand__txt { display: flex; flex-direction: column; line-height: 1.15; }
.brand__txt strong { font-family: var(--f-disp); font-size: 21px; letter-spacing: .01em; color: var(--ink); }
.brand__txt span { font-size: 12.5px; color: var(--mute); letter-spacing: .02em; }

.nav ul { display: flex; gap: 26px; list-style: none; margin: 0; padding: 0; }
.nav a {
  font-size: 15.5px; font-weight: 500; color: var(--ink); text-decoration: none; padding: 6px 0;
  border-bottom: 2px solid transparent;
}
.nav a:hover, .nav a[aria-current="page"] { border-bottom-color: var(--copper); color: var(--copper); }

.hdr__tel {
  display: inline-flex; align-items: center; gap: 8px; text-decoration: none;
  background: var(--ink); color: var(--paper); font-weight: 600; font-size: 16px;
  padding: 10px 16px; border-radius: var(--r); white-space: nowrap;
}
.hdr__tel:hover { background: var(--copper); color: #fff; }
.hdr__tel .ico { width: 18px; height: 18px; }

.burger { display: none; width: 44px; height: 44px; border: 1px solid var(--line); background: var(--white); border-radius: var(--r); padding: 0; cursor: pointer; }
.burger span { display: block; width: 18px; height: 2px; background: var(--ink); margin: 3.5px auto; }

/* ---------- drobečky ---------- */
.crumbs { background: var(--paper-2); border-bottom: 1px solid var(--line); font-size: 14px; }
.crumbs ol { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; margin: 0; padding: 10px 0; }
.crumbs li + li::before { content: "›"; margin-right: 8px; color: var(--mute); }
.crumbs a { color: var(--mute); text-decoration: none; }
.crumbs a:hover { color: var(--copper); }
.crumbs span { color: var(--ink); }

/* ---------- hero ---------- */
.hero {
  position: relative; background: var(--ink); color: #cfd8dd; overflow: hidden;
  padding-block: clamp(52px, 9vw, 104px);
  border-bottom: 3px solid var(--copper);
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 36px 36px;
  mask-image: radial-gradient(120% 90% at 15% 10%, #000 35%, transparent 82%);
}
.hero::after {
  content: ""; position: absolute; right: -12%; top: -30%; width: 60%; height: 150%;
  background: radial-gradient(closest-side, rgba(194,92,52,.20), transparent 75%);
  pointer-events: none;
}
.hero__in { position: relative; display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, .85fr); gap: clamp(32px, 5vw, 72px); align-items: start; }
.hero--compact .hero__in { grid-template-columns: minmax(0, 1.5fr) minmax(0, .8fr); }
.hero__h { color: #fff; font-size: clamp(40px, 6.4vw, 68px); margin-bottom: .3em; }
.hero--compact .hero__h { font-size: clamp(36px, 5.4vw, 56px); }
.hero__lead { font-size: clamp(17px, 2vw, 20px); max-width: 60ch; color: #c3ced5; }
.hero__micro { font-size: 14.5px; color: #8a99a2; margin: 14px 0 0; }
.hero__facts { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line-lt); }
.hero__facts li { display: flex; flex-direction: column; gap: 2px; padding: 14px 0; border-bottom: 1px solid var(--line-lt); }
.hero__facts strong { font-family: var(--f-disp); font-size: 26px; color: #fff; letter-spacing: .01em; }
.hero__facts span { font-size: 14.5px; color: #93a2ab; }

/* ---------- tlačítka ---------- */
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin: 26px 0 0; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  min-height: 52px; padding: 0 22px; border-radius: var(--r);
  font-weight: 600; font-size: 17px; text-decoration: none; border: 2px solid transparent;
  transition: background-color .15s ease, color .15s ease, border-color .15s ease;
}
.btn--primary { background: var(--copper); color: #fff; }
.btn--primary:hover { background: var(--copper-2); color: #fff; }
.btn--ghost { border-color: currentColor; color: inherit; }
.btn--ghost:hover { background: rgba(255, 255, 255, .08); color: inherit; }
.sec--faq .btn--ghost, .art .btn--ghost { color: var(--ink); }

/* ---------- sekce ---------- */
.sec { padding-block: var(--sec); }
.sec__h { font-size: clamp(30px, 4.2vw, 44px); margin-bottom: .35em; }
.sec__h--sm { font-size: clamp(24px, 3vw, 30px); }
.sec__h--light { color: #fff; }
.sec__p { max-width: 62ch; }
.sec__p--lead { font-size: 18.5px; }

/* ---------- seznam služeb ---------- */
.svcs { list-style: none; margin: 40px 0 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; column-gap: clamp(32px, 5vw, 72px); }
.svc { position: relative; padding: 26px 0 30px; border-top: 1px solid var(--line); }
.svc__num { font-family: var(--f-disp); font-weight: 700; font-size: 14px; letter-spacing: .18em; color: var(--copper); }
.svc__ico { display: block; color: var(--ink); margin: 10px 0 12px; }
.svc__ico .ico { width: 30px; height: 30px; stroke-width: 1.4; }
.svc__h { font-size: 27px; margin: 0 0 .3em; }
.svc__h a { color: var(--ink); text-decoration: none; }
.svc__h a::after { content: ""; position: absolute; inset: 0; }
.svc:hover .svc__h a { color: var(--copper); }
.svc__p { margin: 0 0 14px; font-size: 16px; }
.svc__more { display: inline-flex; align-items: center; gap: 7px; font-family: var(--f-disp); font-weight: 600; text-transform: uppercase; letter-spacing: .12em; font-size: 13.5px; color: var(--copper); }
.svc__more .ico { width: 17px; height: 17px; }
.svc:hover .svc__more .ico { transform: translateX(3px); }
.svc__more .ico { transition: transform .15s ease; }

/* ---------- o mně + panel ---------- */
.about__in, .art__in, .areas__in, .contact__in { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, .85fr); gap: clamp(32px, 5vw, 68px); align-items: start; }
.sec--about { background: var(--white); border-block: 1px solid var(--line); }
.about__txt p { max-width: 60ch; }

.checks { list-style: none; margin: 22px 0 0; padding: 0; display: grid; gap: 10px; }
.checks--2 { grid-template-columns: 1fr 1fr; column-gap: 26px; }
.checks li { display: flex; gap: 10px; align-items: flex-start; font-size: 16px; }
.checks .ico { width: 19px; height: 19px; margin-top: 3px; color: var(--copper); stroke-width: 2.2; }

.panel { position: sticky; top: 92px; background: var(--ink-2); color: #c3ced5; padding: 28px; border-radius: var(--r); border-top: 4px solid var(--copper); }
.panel__h { color: #fff; font-size: 27px; }
.panel__p { font-size: 15.5px; color: #a9b7bf; }
.panel .cta-row { flex-direction: column; align-items: stretch; }
.panel .btn { width: 100%; }
.panel .btn--ghost { color: #dfe6ea; }
.panel__meta { margin: 22px 0 0; border-top: 1px solid var(--line-lt); padding-top: 16px; display: grid; gap: 12px; }
.panel__meta div { display: grid; gap: 2px; }
.panel__meta dt { display: flex; align-items: center; gap: 8px; font-size: 13px; text-transform: uppercase; letter-spacing: .1em; color: #8a99a2; font-family: var(--f-disp); font-weight: 600; }
.panel__meta dt .ico { width: 16px; height: 16px; }
.panel__meta dd { margin: 0; font-size: 15.5px; color: #dfe6ea; }

/* ---------- článkový text ---------- */
.art { max-width: 68ch; }
.art h2 { font-size: clamp(25px, 3.2vw, 33px); margin-top: 1.6em; }
.art h2:first-child { margin-top: 0; }
.art--center { max-width: 68ch; margin-inline: auto; }
.link-arrow { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; text-decoration: none; }
.link-arrow:hover { text-decoration: underline; }
.link-arrow .ico { width: 18px; height: 18px; }

.callout { background: var(--white); border: 1px solid var(--line); border-left: 4px solid var(--copper); padding: 18px 20px; margin: 24px 0; border-radius: var(--r); }
.callout p:last-child { margin: 0; }

/* ---------- postup ---------- */
.sec--steps { background: var(--white); border-block: 1px solid var(--line); }
.steps { list-style: none; margin: 36px 0 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(24px, 4vw, 56px); counter-reset: s; }
.steps li { position: relative; padding-top: 22px; border-top: 3px solid var(--ink); }
.steps__n { font-family: var(--f-disp); font-weight: 700; font-size: 46px; line-height: 1; color: var(--copper); display: block; margin-bottom: 6px; }
.steps h3 { font-size: 24px; margin-bottom: .3em; }
.steps p { font-size: 16px; margin: 0; }

/* ---------- oblast ---------- */
.chips { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; }
.chips li { background: var(--white); border: 1px solid var(--line); border-radius: 100px; padding: 7px 15px; font-size: 15px; color: var(--ink); }
.chips--big { margin: 22px 0 8px; }
.chips--big li { font-size: 16px; padding: 9px 18px; }
.chips a { text-decoration: none; }

/* ---------- FAQ ---------- */
.sec--faq { background: var(--white); border-block: 1px solid var(--line); }
.faq { margin-top: 32px; max-width: 80ch; }
.faq__i { border-top: 1px solid var(--line); }
.faq__i:last-child { border-bottom: 1px solid var(--line); }
.faq__i summary {
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
  cursor: pointer; list-style: none; padding: 20px 0;
  font-family: var(--f-disp); font-weight: 600; font-size: 22px; color: var(--ink); line-height: 1.2;
}
.faq__i summary::-webkit-details-marker { display: none; }
.faq__i summary:hover { color: var(--copper); }
.faq__i summary svg { width: 20px; height: 20px; flex: 0 0 auto; color: var(--copper); transition: transform .18s ease; }
.faq__i[open] summary svg { transform: rotate(45deg); }
.faq__a { padding: 0 0 20px; max-width: 70ch; }
.faq__a p:last-child { margin: 0; }

/* ---------- související ---------- */
.sec--related { background: var(--paper-2); border-top: 1px solid var(--line); }
.rel { list-style: none; margin: 26px 0 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 14px; }
.rel a { display: flex; gap: 13px; align-items: flex-start; background: var(--white); border: 1px solid var(--line); border-radius: var(--r); padding: 16px 18px; text-decoration: none; color: var(--slate); height: 100%; }
.rel a:hover { border-color: var(--copper); }
.rel .ico { color: var(--copper); margin-top: 2px; }
.rel span { display: flex; flex-direction: column; font-size: 14.5px; line-height: 1.45; }
.rel strong { font-family: var(--f-disp); font-size: 20px; color: var(--ink); line-height: 1.15; margin-bottom: 3px; }

/* ---------- kontakt ---------- */
.sec--contact { background: var(--ink); color: #c3ced5; }
.contact__p { max-width: 52ch; color: #b3c0c8; }
.contact__meta { margin: 0; display: grid; gap: 16px; align-content: start; border-top: 1px solid var(--line-lt); padding-top: 20px; }
.contact__meta div { display: grid; gap: 3px; }
.contact__meta dt { font-family: var(--f-disp); font-weight: 600; text-transform: uppercase; letter-spacing: .12em; font-size: 13px; color: #8a99a2; }
.contact__meta dd { margin: 0; font-size: 18px; color: #fff; }
.contact__meta a { color: #fff; }

.contact-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; margin-bottom: var(--sec); }
.ccard { background: var(--white); border: 1px solid var(--line); border-top: 4px solid var(--copper); border-radius: var(--r); padding: 26px; }
.ccard__h { display: flex; align-items: center; gap: 9px; font-size: 15px; text-transform: uppercase; letter-spacing: .12em; color: var(--mute); font-weight: 600; }
.ccard__h .ico { width: 18px; height: 18px; color: var(--copper); }
.ccard__big { font-family: var(--f-disp); font-weight: 700; font-size: clamp(24px, 3vw, 31px); line-height: 1.15; margin: 0 0 10px; }
.ccard__big a { color: var(--ink); text-decoration: none; }
.ccard__big a:hover { color: var(--copper); }
.ccard__addr { font-style: normal; font-size: 16.5px; color: var(--ink); margin-bottom: 12px; }
.ccard__note { font-size: 14.5px; color: var(--mute); margin: 0; }

/* ---------- patička ---------- */
.ftr { background: var(--ink-2); color: #93a2ab; font-size: 15px; padding-top: clamp(44px, 6vw, 72px); }
.ftr__in { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 32px; padding-bottom: 40px; }
.ftr__brand { font-family: var(--f-disp); font-weight: 700; font-size: 23px; color: #fff; margin: 0 0 12px; }
.ftr__addr { font-style: normal; line-height: 1.6; margin-bottom: 12px; }
.ftr__addr strong { color: #dfe6ea; }
.ftr__note { font-size: 14px; color: #7d8c95; margin: 0; }
.ftr__h { font-family: var(--f-disp); font-weight: 600; text-transform: uppercase; letter-spacing: .12em; font-size: 13.5px; color: #fff; margin: 0 0 12px; }
.ftr__list { list-style: none; margin: 0; padding: 0; display: grid; gap: 7px; }
.ftr a { color: #b6c3ca; text-decoration: none; }
.ftr a:hover { color: #fff; text-decoration: underline; }
.ftr__areas { line-height: 1.8; margin: 0; }
.ftr__bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px; border-top: 1px solid var(--line-lt); padding-block: 18px; font-size: 13.5px; color: #7d8c95; }
.ftr__bottom p { margin: 0; }

/* ---------- mobilní lišta s telefonem ---------- */
.callbar { display: none; }

/* ==========================================================================
   Responzivita
   ========================================================================== */
@media (max-width: 1000px) {
  .hero__in, .about__in, .art__in, .areas__in, .contact__in { grid-template-columns: 1fr; }
  .hero--compact .hero__in { grid-template-columns: 1fr; }
  .panel { position: static; }
  .art, .about__txt p { max-width: none; }
  .ftr__in { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 860px) {
  .svcs { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; gap: 26px; }
  .nav {
    position: fixed; inset: 68px 0 auto; background: var(--paper); border-bottom: 1px solid var(--line);
    padding: 8px var(--gut) 20px; display: none; box-shadow: 0 18px 30px -22px rgba(0,0,0,.5);
  }
  body.nav-open .nav { display: block; }
  .nav ul { flex-direction: column; gap: 0; }
  .nav a { display: block; padding: 14px 0; border-bottom: 1px solid var(--line); font-size: 17px; }
  .nav a:hover, .nav a[aria-current="page"] { border-bottom-color: var(--line); }
  .burger { display: block; order: 3; }
  .hdr__tel span { display: none; }
  .hdr__tel { padding: 10px 12px; }
  .hdr__tel .ico { width: 20px; height: 20px; }
}

@media (max-width: 640px) {
  body { font-size: 16.5px; padding-bottom: 62px; }
  .checks--2 { grid-template-columns: 1fr; }
  .ftr__in { grid-template-columns: 1fr; gap: 26px; }
  .cta-row { flex-direction: column; align-items: stretch; }
  .btn { width: 100%; }
  .brand__txt span { display: none; }
  .panel { padding: 22px; }
  .callbar {
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 60; display: grid;
    grid-template-columns: 1.6fr 1fr; background: var(--ink); border-top: 1px solid var(--line-lt);
    padding: 7px; gap: 7px;
  }
  .callbar__a {
    display: flex; align-items: center; justify-content: center; gap: 8px; min-height: 46px;
    color: #dfe6ea; text-decoration: none; font-weight: 600; border-radius: var(--r); border: 1px solid var(--line-lt);
  }
  .callbar__a--main { background: var(--copper); color: #fff; border-color: var(--copper); }
  .callbar .ico { width: 19px; height: 19px; }
}

@media print {
  .hdr, .callbar, .crumbs, .sec--related { display: none; }
  body { background: #fff; color: #000; }
  .hero, .sec--contact, .ftr { background: #fff !important; color: #000 !important; }
  .hero__h, .sec__h--light, .contact__meta dd, .contact__meta a { color: #000 !important; }
}