/* HGM-Žilina — dizajnové tokeny */
:root {
  --ink: #10282c;
  --ink-60: #46595c;
  --paper: #f2f5f4;
  --biela: #ffffff;
  --teal: #008b97;
  --teal-tmava: #045b64;
  --voda: #bfe4e7;
  --cara: rgba(16, 40, 44, 0.14);
  --mono: 'IBM Plex Mono', ui-monospace, monospace;
  --display: 'Bricolage Grotesque', 'Instrument Sans', sans-serif;
  --text: 'Instrument Sans', system-ui, sans-serif;
  --max: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--text);
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper);
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

h1, h2, h3 { font-family: var(--display); line-height: 1.12; margin: 0 0 0.5em; }
a { color: var(--teal-tmava); }
:focus-visible { outline: 3px solid var(--teal); outline-offset: 2px; }

/* Hlavička */
.hlavicka {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 14px clamp(16px, 4vw, 40px);
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--cara);
}
.logo { display: flex; align-items: center; text-decoration: none; }
.logo img { display: block; mix-blend-mode: multiply; } /* biele pozadie PNG splynie so svetlou hlavičkou */
.nav { display: flex; align-items: center; gap: clamp(10px, 2vw, 26px); flex-wrap: wrap; }
.nav a { text-decoration: none; color: var(--ink); font-weight: 500; font-size: 15.5px; }
.nav a:hover { color: var(--teal-tmava); }
.nav-cta {
  color: var(--biela) !important; background: var(--teal-tmava);
  padding: 7px 16px; border-radius: 999px;
}
.nav-cta:hover { background: var(--teal); }
@media (max-width: 760px) {
  .hlavicka { flex-direction: column; align-items: center; gap: 10px; padding-bottom: 12px; }
  .nav { justify-content: center; row-gap: 6px; }
  .nav a { font-size: 14.5px; }
}

/* Eyebrow + sekcie */
.eyebrow {
  font-family: var(--mono); font-size: 12.5px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--teal-tmava); display: inline-block; margin-bottom: 10px;
}
.sekcia { padding: clamp(56px, 9vw, 110px) clamp(16px, 4vw, 40px); }
.sekcia > * { max-width: var(--max); margin-left: auto; margin-right: auto; }
.sekcia-hlava h2 { font-size: clamp(30px, 4.6vw, 46px); font-weight: 600; }
.sekcia-hlava { margin-bottom: clamp(28px, 4vw, 52px); }

/* Hero */
.hero { position: relative; background: linear-gradient(180deg, var(--biela) 0%, var(--paper) 70%); overflow: hidden; }
.hero-vnutro {
  max-width: var(--max); margin: 0 auto;
  padding: clamp(64px, 10vw, 130px) clamp(16px, 4vw, 40px) clamp(180px, 22vw, 260px);
}
.hero h1 {
  font-size: clamp(42px, 7.6vw, 88px); font-weight: 700; letter-spacing: -0.015em;
  max-width: 13ch; margin-bottom: 0.35em;
}
.hero h1 .bodka { color: var(--teal); }
.hero-pod { font-size: clamp(17px, 2vw, 21px); color: var(--ink-60); max-width: 58ch; margin: 0 0 28px; }
.hero-akcie { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-fakty { display: flex; gap: clamp(24px, 5vw, 64px); margin: 44px 0 0; flex-wrap: wrap; }
.hero-fakty dt { font-family: var(--display); font-weight: 700; font-size: clamp(28px, 3.4vw, 40px); color: var(--teal-tmava); }
.hero-fakty dd { margin: 0; font-family: var(--mono); font-size: 13px; color: var(--ink-60); }
.strata { position: absolute; left: 0; right: 0; bottom: 0; width: 100%; height: clamp(120px, 16vw, 190px); display: block; }
.strata .vrstva { transform-box: view-box; animation: vrstva-nabeh 0.9s cubic-bezier(0.2, 0.7, 0.3, 1) both; }
.strata .vrstva-2 { animation-delay: 0.15s; }
.strata .vrstva-3 { animation-delay: 0.3s; }
@keyframes vrstva-nabeh { from { transform: translateY(26px); opacity: 0; } to { transform: none; opacity: 1; } }
.strata .voda-g {
  transform-box: view-box;
  animation: voda-nabeh 1s 0.55s ease-out both, voda-dych 7s 1.6s ease-in-out infinite alternate;
}
@keyframes voda-nabeh { from { opacity: 0; } to { opacity: 1; } }
@keyframes voda-dych { from { transform: translateY(-2.5px); } to { transform: translateY(2.5px); } }
.strata .waterline { animation: voda-drift 9s linear infinite; }
@keyframes voda-drift { from { stroke-dashoffset: 0; } to { stroke-dashoffset: -84; } }
.strata .water-sheen { animation: voda-trblet 6s ease-in-out infinite alternate; }
@keyframes voda-trblet { from { opacity: 0.12; } to { opacity: 0.32; } }
@media (max-width: 720px) { .strata-koty { display: none; } }

/* Vodný predel medzi sekciami */
.vlny { position: relative; height: 56px; overflow: hidden; margin-bottom: -1px; }
.vlna { position: absolute; bottom: 0; left: 0; width: 200%; height: 100%; display: block; }
.vlna-zadna { animation: vlna-posun 26s linear infinite reverse; }
.vlna-predna { animation: vlna-posun 16s linear infinite; }
@keyframes vlna-posun { from { transform: translateX(0); } to { transform: translateX(-33.333%); } }
@media (prefers-reduced-motion: reduce) { .vlna, .strata .vrstva, .strata .voda-g { animation: none; opacity: 1; transform: none; } }

/* Tlačidlá */
.btn {
  display: inline-block; font-weight: 600; text-decoration: none; cursor: pointer;
  font-family: var(--text); font-size: 16px;
  color: var(--biela); background: var(--teal-tmava);
  border: 2px solid var(--teal-tmava); border-radius: 999px; padding: 11px 26px;
}
.btn:hover { background: var(--teal); border-color: var(--teal); }
.btn-tichy { color: var(--teal-tmava); background: transparent; }
.btn-tichy:hover { color: var(--biela); }
.btn-mini { padding: 7px 16px; font-size: 14.5px; }

/* Strediská služieb */
.strediska { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
@media (max-width: 960px) { .strediska { grid-template-columns: 1fr; } }
.stredisko {
  background: var(--biela); border: 1px solid var(--cara); border-radius: 14px;
  padding: 26px 24px; border-top: 5px solid var(--teal);
}
.stredisko h3 { font-size: 22px; font-weight: 600; }
.stredisko details { border-top: 1px solid var(--cara); }
.stredisko summary {
  cursor: pointer; font-weight: 600; padding: 11px 0; list-style: none;
  display: flex; justify-content: space-between; align-items: center; gap: 8px;
}
.stredisko summary::-webkit-details-marker { display: none; }
.stredisko summary::after { content: '+'; font-family: var(--mono); color: var(--teal); font-size: 18px; }
.stredisko details[open] summary::after { content: '−'; }
.stredisko ul { margin: 0 0 14px; padding-left: 20px; }
.stredisko li { margin: 5px 0; }
.stredisko p { color: var(--ink-60); font-size: 15.5px; }

/* Tmavá sekcia — o spoločnosti */
.sekcia-tmava { background: var(--ink); color: var(--paper); }
.sekcia-tmava .eyebrow { color: var(--voda); }
.sekcia-tmava a { color: var(--voda); }
.dva-stlpce { display: grid; grid-template-columns: 1.1fr 1fr; gap: clamp(28px, 5vw, 72px); }
@media (max-width: 860px) { .dva-stlpce { grid-template-columns: 1fr; } }
.dva-stlpce p { color: color-mix(in srgb, var(--paper) 86%, transparent); }
.preco-nadpis { font-size: 19px; margin-top: 30px; color: var(--voda); }
.preco { padding-left: 0; list-style: none; margin: 0; }
.preco li { padding: 9px 0 9px 26px; position: relative; border-bottom: 1px solid rgba(242, 245, 244, 0.14); }
.preco li::before { content: '▸'; position: absolute; left: 2px; color: var(--teal); }
.hodnoty { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: clamp(36px, 5vw, 64px); }
@media (max-width: 860px) { .hodnoty { grid-template-columns: 1fr; } }
.hodnota { border: 1px solid rgba(242, 245, 244, 0.18); border-radius: 12px; padding: 18px 20px; }
.hodnota h4 { margin: 0 0 6px; font-family: var(--display); font-size: 17px; color: var(--voda); }
.hodnota p { margin: 0; font-size: 14.5px; color: color-mix(in srgb, var(--paper) 78%, transparent); }

/* Klienti */
.klienti { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 10px; }
.klienti li {
  font-family: var(--mono); font-size: 13.5px;
  background: var(--biela); border: 1px solid var(--cara); border-radius: 999px; padding: 7px 15px;
}
.odkazy-pas { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 34px; }

/* Kontakt */
.sekcia-kontakt { background: var(--biela); border-top: 1px solid var(--cara); }
.kontakt-mriezka { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 5vw, 72px); }
@media (max-width: 860px) { .kontakt-mriezka { grid-template-columns: 1fr; } }
.kontakt-adresa { font-size: 18px; line-height: 1.7; }
.osoby { display: grid; gap: 2px; margin-top: 22px; }
.osoba { display: flex; flex-direction: column; padding: 12px 0; border-top: 1px solid var(--cara); }
.osoba-usek { font-family: var(--mono); font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--teal-tmava); }
.osoba-funkcia { color: var(--ink-60); font-size: 14.5px; }
.osoba-tel { text-decoration: none; font-weight: 500; }
.formular { display: grid; gap: 14px; align-content: start; }
.formular label { display: grid; gap: 6px; font-weight: 600; font-size: 15px; }
.formular input, .formular textarea {
  font: inherit; padding: 11px 14px; border: 1.5px solid var(--cara); border-radius: 10px;
  background: var(--paper); color: var(--ink);
}
.formular input:focus, .formular textarea:focus { border-color: var(--teal); outline: none; }
.oblasti { border: none; margin: 0; padding: 0; }
.oblasti legend { font-weight: 600; font-size: 15px; padding: 0; margin-bottom: 10px; }
.oblasti-pozn { font-weight: 400; color: var(--ink-60); font-size: 13.5px; }
.formular label.chip { display: inline-block; margin: 0 8px 8px 0; position: relative; }
.chip input { position: absolute; opacity: 0; pointer-events: none; }
.chip span {
  display: inline-block; cursor: pointer; font-size: 14px; line-height: 1.3;
  border: 1.5px solid var(--cara); border-radius: 999px; padding: 7px 14px;
  background: var(--paper); color: var(--ink); user-select: none;
}
.chip input:checked + span { background: var(--teal-tmava); border-color: var(--teal-tmava); color: var(--biela); }
.chip input:focus-visible + span { outline: 3px solid var(--teal); outline-offset: 2px; }
.chip span:hover { border-color: var(--teal); }
.form-stav { margin: 0; font-size: 15px; min-height: 1.4em; }
.form-stav.ok { color: var(--teal-tmava); }
.form-stav.chyba { color: #a4372c; }

/* Podstránky */
.podstranka .sekcia-hlava h2 { max-width: 24ch; }
.ref-kategoria, .cert-skupina { margin-bottom: clamp(34px, 4vw, 54px); }
.ref-kategoria h3, .cert-skupina h3 { font-size: 23px; font-weight: 600; border-bottom: 2px solid var(--teal); padding-bottom: 8px; }
.ref-pocet { font-family: var(--mono); font-size: 14px; color: var(--teal-tmava); vertical-align: middle; }
.ref-zoznam, .cert-zoznam { list-style: none; padding: 0; margin: 0; }
.ref-zoznam li {
  display: grid; grid-template-columns: 1fr auto; gap: 8px 24px;
  padding: 11px 0; border-bottom: 1px solid var(--cara);
}
@media (max-width: 720px) { .ref-zoznam li { grid-template-columns: 1fr; gap: 2px; } }
.ref-klient { font-family: var(--mono); font-size: 13px; color: var(--ink-60); text-align: right; }
@media (max-width: 720px) { .ref-klient { text-align: left; } }
.cert-zoznam li { border-bottom: 1px solid var(--cara); }
.cert-zoznam a {
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
  padding: 12px 0; text-decoration: none; font-weight: 500;
}
.cert-zoznam a:hover { color: var(--teal); }
.cert-pdf { font-family: var(--mono); font-size: 11.5px; border: 1px solid var(--cara); border-radius: 4px; padding: 2px 7px; color: var(--ink-60); }

/* Pätka */
.pata { background: var(--ink); color: var(--paper); padding: 30px clamp(16px, 4vw, 40px); }
.pata-vnutro { max-width: var(--max); margin: 0 auto; }
.pata a { color: var(--voda); }
.pata-mono { font-family: var(--mono); font-size: 13px; color: color-mix(in srgb, var(--paper) 70%, transparent); }

/* Cookie lišta */
.cookiebar {
  position: fixed; left: 16px; right: 16px; bottom: 16px; z-index: 40;
  max-width: 560px; margin: 0 auto;
  background: var(--ink); color: var(--paper);
  border-radius: 14px; padding: 16px 20px;
  display: flex; gap: 16px; align-items: center; flex-wrap: wrap;
  box-shadow: 0 12px 40px rgba(16, 40, 44, 0.35);
}
.cookiebar p { margin: 0; font-size: 14px; flex: 1 1 260px; }
.cookiebar-akcie { display: flex; gap: 8px; }
.cookiebar .btn-tichy { color: var(--voda); border-color: var(--voda); }