/* katalogisp.cz — design dle DESIGN.md. Self-host, žádné externí CDN. */

/* ---------- Fonty (latin + latin-ext, font-display: swap) ---------- */
@font-face {
  font-family: "Space Grotesk";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("/assets/fonts/space-grotesk-500-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215;
}
@font-face {
  font-family: "Space Grotesk";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("/assets/fonts/space-grotesk-500-latin-ext.woff2") format("woff2");
  unicode-range: U+0100-024F, U+0259, U+1E00-1EFF, U+2020, U+20A0-20AB, U+20AD-20CF, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "Space Grotesk";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("/assets/fonts/space-grotesk-700-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215;
}
@font-face {
  font-family: "Space Grotesk";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("/assets/fonts/space-grotesk-700-latin-ext.woff2") format("woff2");
  unicode-range: U+0100-024F, U+0259, U+1E00-1EFF, U+2020, U+20A0-20AB, U+20AD-20CF, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "IBM Plex Sans";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("/assets/fonts/ibm-plex-sans-400-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215;
}
@font-face {
  font-family: "IBM Plex Sans";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("/assets/fonts/ibm-plex-sans-400-latin-ext.woff2") format("woff2");
  unicode-range: U+0100-024F, U+0259, U+1E00-1EFF, U+2020, U+20A0-20AB, U+20AD-20CF, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "IBM Plex Sans";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("/assets/fonts/ibm-plex-sans-600-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215;
}
@font-face {
  font-family: "IBM Plex Sans";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("/assets/fonts/ibm-plex-sans-600-latin-ext.woff2") format("woff2");
  unicode-range: U+0100-024F, U+0259, U+1E00-1EFF, U+2020, U+20A0-20AB, U+20AD-20CF, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "IBM Plex Mono";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("/assets/fonts/ibm-plex-mono-400-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215;
}
@font-face {
  font-family: "IBM Plex Mono";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("/assets/fonts/ibm-plex-mono-400-latin-ext.woff2") format("woff2");
  unicode-range: U+0100-024F, U+0259, U+1E00-1EFF, U+2020, U+20A0-20AB, U+20AD-20CF, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

/* ---------- Tokeny ---------- */
:root {
  --papir: #F5F8F7;
  --karta: #FFFFFF;
  --inkoust: #10282E;
  --inkoust-60: #4E6268;
  --teal: #0F8A76;
  --jantar: #E8A13C;
  --linka: #DCE5E3;

  --tech-optika: #0F8A76;
  --tech-fwa: #E8A13C;
  --tech-dsl: #7A8AA0;
  --tech-mobil: #7C6FD0;

  --font-display: "Space Grotesk", system-ui, sans-serif;
  --font-text: "IBM Plex Sans", system-ui, sans-serif;
  --font-data: "IBM Plex Mono", ui-monospace, monospace;

  --radius: 12px;
  --maxw: 1180px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--papir);
  color: var(--inkoust);
  font-family: var(--font-text);
  font-size: 1.06rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--teal); text-decoration: none; }
a:hover { text-decoration: underline; }
ul, ol { padding-left: 1.2em; }
button, input, select, textarea { font-family: inherit; font-size: 1rem; }

:focus-visible {
  outline: 3px solid var(--teal);
  outline-offset: 2px;
  border-radius: 4px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
  margin: 0 0 0.5em;
}
h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); line-height: 1.1; }
h2 { font-size: 1.6rem; }
.data, .mono, code {
  font-family: var(--font-data);
  font-size: 0.88rem;
}

.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- Wordmark (dotless "i" + vlastní teal tečka) ---------- */
.wordmark {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.3rem;
  color: var(--inkoust);
  display: inline-flex;
  align-items: baseline;
  white-space: nowrap;
}
.wordmark .dot-i {
  position: relative;
  display: inline-block;
}
.wordmark .dot-i::before {
  content: "";
  position: absolute;
  top: 0.02em;
  left: 50%;
  transform: translateX(-50%);
  width: 0.16em;
  height: 0.16em;
  border-radius: 50%;
  background: var(--teal);
}

/* ---------- Header ---------- */
.header {
  padding: 22px 0;
  border-bottom: 1px solid var(--linka);
  background: var(--papir);
}
.header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.header nav {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}
.header nav a {
  color: var(--inkoust);
  font-weight: 600;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}
.header nav a:hover { color: var(--teal); }

/* ---------- Hero ---------- */
.hero {
  padding: 48px 0 32px;
}
.hero .wrap {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: center;
}
@media (max-width: 860px) {
  .hero .wrap { grid-template-columns: 1fr; }
  /* mobil: vyhledávání první, mapa až pod ním (spec) */
  .mapa-cr { max-width: 320px; margin: 0 auto; }
}
.hero p.podtitulek {
  font-size: 1.15rem;
  color: var(--inkoust-60);
  max-width: 46ch;
  margin: 0 0 28px;
}
.mapa-sloupec { text-align: center; }
.mapa-cr { width: 100%; height: auto; max-width: 560px; }
.mapa-popisek {
  font-size: 0.9rem;
  color: var(--inkoust-60);
  margin-top: 8px;
}

.dot--pulse {
  animation: dot-pulse 3.2s ease-in-out infinite;
}
@keyframes dot-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}
@media (prefers-reduced-motion: reduce) {
  .dot--pulse { animation: none; }
}

/* ---------- Vyhledávač / combobox ---------- */
.vyhledavac {
  position: relative;
  max-width: 520px;
}
.vyhledavac label {
  display: block;
  font-weight: 600;
  margin-bottom: 8px;
}
.vyhledavac input[type="text"] {
  width: 100%;
  padding: 14px 16px;
  border: 2px solid var(--linka);
  border-radius: var(--radius);
  background: var(--karta);
  color: var(--inkoust);
  min-height: 44px;
}
.vyhledavac input[type="text"]:focus {
  border-color: var(--teal);
  outline: none;
}
.napoveda {
  position: absolute;
  top: calc(100% + 6px);
  left: 0; right: 0;
  background: var(--karta);
  border: 1px solid var(--linka);
  border-radius: var(--radius);
  box-shadow: 0 8px 24px rgba(16,40,46,0.12);
  max-height: 320px;
  overflow-y: auto;
  z-index: 20;
  list-style: none;
  margin: 0;
  padding: 6px;
  display: none;
}
.napoveda.otevrena { display: block; }
.napoveda li {
  padding: 10px 12px;
  border-radius: 8px;
  cursor: pointer;
  min-height: 44px;
  display: flex;
  align-items: center;
}
.napoveda li[aria-selected="true"],
.napoveda li:hover {
  background: var(--papir);
  color: var(--teal);
}
.vyhledavac-stav {
  margin-top: 10px;
  font-size: 0.92rem;
  color: var(--inkoust-60);
  min-height: 1.2em;
}

/* ---------- Trust řádek ---------- */
.trust {
  padding: 18px 0;
  border-top: 1px solid var(--linka);
  border-bottom: 1px solid var(--linka);
}
.trust .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 28px;
  font-family: var(--font-display);
  font-weight: 500;
  color: var(--inkoust-60);
  font-size: 0.98rem;
}
.trust strong { color: var(--inkoust); font-weight: 700; }

/* ---------- Výsledky pokrytí ---------- */
.vysledky-sekce { padding: 40px 0; scroll-margin-top: 20px; }
.vysledky-sekce[hidden] { display: none; }
.vysledky-hlavicka { margin-bottom: 18px; }
.vysledky-hlavicka h2 { margin-bottom: 4px; }
.karty-nabidek {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
}
.karta-nabidky {
  background: var(--karta);
  border: 1px solid var(--linka);
  border-radius: var(--radius);
  padding: 18px;
}
.karta-nabidky h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  margin: 0 0 8px;
}
.karta-nabidky .rychlost {
  font-family: var(--font-data);
  font-size: 1.15rem;
  margin: 8px 0;
  display: block;
}
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
  color: #fff;
  margin-right: 6px;
}
.badge--optika { background: var(--tech-optika); }
.badge--fwa { background: var(--tech-fwa); color: #10282E; }
.badge--dsl { background: var(--tech-dsl); }
.badge--mobil { background: var(--tech-mobil); }
.badge--vhcn {
  background: transparent;
  border: 1px solid var(--teal);
  color: var(--teal);
}
.stav-prazdny, .stav-chyba {
  background: var(--karta);
  border: 1px solid var(--linka);
  border-radius: var(--radius);
  padding: 24px;
}
.stav-chyba { border-color: var(--jantar); }
.v-okoli-seznam { margin-top: 10px; }

/* ---------- Sekce obecně ---------- */
.sekce { padding: 48px 0; }
.sekce--karta { background: var(--karta); border-top: 1px solid var(--linka); border-bottom: 1px solid var(--linka); }
.duvody {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 24px;
}
@media (max-width: 860px) { .duvody { grid-template-columns: 1fr; } }
.duvody article h3 { font-size: 1.1rem; margin-bottom: 8px; }
.foto-galerie {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 28px;
}
@media (max-width: 640px) { .foto-galerie { grid-template-columns: 1fr; } }
.foto-galerie img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-radius: var(--radius);
}

.kroky {
  list-style: none;
  padding: 0;
  margin: 24px 0 0;
  counter-reset: krok;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
@media (max-width: 860px) { .kroky { grid-template-columns: 1fr; } }
.kroky li {
  counter-increment: krok;
  background: var(--karta);
  border: 1px solid var(--linka);
  border-radius: var(--radius);
  padding: 20px;
}
.kroky li::before {
  content: counter(krok);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--inkoust);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 700;
  margin-bottom: 10px;
}

.katalog-teaser { text-align: left; }
.katalog-teaser form {
  display: flex;
  gap: 10px;
  margin-top: 16px;
  flex-wrap: wrap;
}
.katalog-teaser input[type="search"] {
  flex: 1;
  min-width: 220px;
  padding: 12px 14px;
  border: 2px solid var(--linka);
  border-radius: var(--radius);
  min-height: 44px;
}

.cta-box {
  background: var(--inkoust);
  color: #fff;
  border-radius: var(--radius);
  padding: 32px;
  text-align: center;
}
.cta-box h2 { color: #fff; }
.cta-box a.btn { margin-top: 12px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 20px;
  border-radius: 999px;
  background: var(--teal);
  color: #fff;
  font-weight: 600;
  border: none;
  cursor: pointer;
}
.btn:hover { background: #0c6f5f; text-decoration: none; }
.btn--tmave { background: var(--inkoust); }
.btn--svetle { background: #fff; color: var(--inkoust); }

/* ---------- Footer ---------- */
.footer {
  background: var(--inkoust);
  color: #C9D6D3;
  padding: 40px 0 28px;
  margin-top: 20px;
}
.footer a { color: #fff; }
.footer .wordmark { color: #fff; }
.footer .wordmark .dot-i::before { background: var(--teal); }
.footer .sloupce {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 24px;
  margin-top: 24px;
}
@media (max-width: 720px) { .footer .sloupce { grid-template-columns: 1fr; } }
.footer nav { display: flex; flex-direction: column; }
/* touch targety ≥44 px (mobile audit) — výška přes padding, bez layout shiftu navíc */
.footer nav a { display: flex; align-items: center; min-height: 44px; }
.wordmark { display: inline-flex; align-items: center; min-height: 44px; }
.footer small a { padding-block: 14px; margin-block: -14px; }
.footer small { display: block; margin-top: 24px; color: #8FA5A0; font-size: 0.82rem; }

/* ---------- Katalog ---------- */
.filtr-panel {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 24px 0 32px;
  background: var(--karta);
  border: 1px solid var(--linka);
  border-radius: var(--radius);
  padding: 16px;
}
.filtr-panel input[type="search"],
.filtr-panel select {
  padding: 10px 12px;
  border: 2px solid var(--linka);
  border-radius: 8px;
  min-height: 44px;
}
.filtr-panel input[type="search"] { flex: 2; min-width: 200px; }
.filtr-panel select { flex: 1; min-width: 160px; }
.filtr-toggle { display: flex; align-items: center; gap: 8px; min-height: 44px; }

.pismeno-skupina { margin-bottom: 8px; }
.pismeno-skupina h2 {
  font-size: 1.2rem;
  border-bottom: 2px solid var(--linka);
  padding-bottom: 6px;
  margin-top: 36px;
}
.radek-isp {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px solid var(--linka);
  flex-wrap: wrap;
}
/* [hidden] má stejnou specificitu jako .radek-isp/.pismeno-skupina, ale
   autorský stylesheet se kaskáduje AŽ PO UA výchozím [hidden]{display:none} —
   bez explicitního pravidla by JS filtr skryté řádky nadále zobrazoval. */
.radek-isp[hidden],
.pismeno-skupina[hidden] {
  display: none;
}
.radek-isp .nazev-isp { font-weight: 600; flex: 1; min-width: 200px; }
.radek-isp .kraj-isp { color: var(--inkoust-60); font-size: 0.92rem; min-width: 160px; }
.pocet-vysledku { color: var(--inkoust-60); margin: 10px 0 0; }
.abeceda-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 18px 0;
}
.abeceda-nav a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px; height: 32px;
  border-radius: 6px;
  background: var(--karta);
  border: 1px solid var(--linka);
  color: var(--inkoust);
  font-family: var(--font-data);
  font-size: 0.85rem;
}
.abeceda-nav a:hover { border-color: var(--teal); color: var(--teal); text-decoration: none; }

/* ---------- Detail ISP ---------- */
.breadcrumb {
  font-size: 0.9rem;
  color: var(--inkoust-60);
  margin-bottom: 18px;
}
.breadcrumb a { color: var(--inkoust-60); }
.datova-karta {
  background: var(--karta);
  border: 1px solid var(--linka);
  border-radius: var(--radius);
  padding: 24px;
  margin: 24px 0;
}
.datova-karta dl {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 10px 20px;
  margin: 0;
}
.datova-karta dt { color: var(--inkoust-60); }
.datova-karta dd {
  margin: 0;
  font-family: var(--font-data);
  font-size: 0.92rem;
}
.badge-sluzby { margin-top: 10px; }
.badge-sluzba {
  display: inline-block;
  background: var(--papir);
  border: 1px solid var(--linka);
  border-radius: 999px;
  padding: 3px 10px;
  font-size: 0.82rem;
  margin: 3px 6px 3px 0;
}
.disclaimer {
  font-size: 0.85rem;
  color: var(--inkoust-60);
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--linka);
}

/* ---------- Formulář (kontakt) ---------- */
.formular { max-width: 560px; }
.formular .pole { margin-bottom: 18px; }
.formular label { display: block; font-weight: 600; margin-bottom: 6px; }
.formular input[type="text"],
.formular input[type="email"],
.formular textarea {
  width: 100%;
  padding: 12px 14px;
  border: 2px solid var(--linka);
  border-radius: var(--radius);
  background: var(--karta);
  color: var(--inkoust);
  min-height: 44px;
}
.formular textarea { min-height: 120px; resize: vertical; }
.formular .checkbox-pole { display: flex; align-items: flex-start; gap: 10px; }
.formular .checkbox-pole input { width: 20px; height: 20px; margin-top: 3px; }
.formular .honeypot { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-uspech {
  display: none;
  background: var(--karta);
  border: 1px solid var(--teal);
  border-radius: var(--radius);
  padding: 20px;
}
.form-chyba { color: #B14A2A; margin-top: 10px; display: none; }

/* ---------- 404 ---------- */
.stranka-404 { padding: 80px 0; text-align: center; }
.stranka-404 .vyhledavac { margin: 0 auto; text-align: left; }

/* ---------- Utility ---------- */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}