/* ==========================================================================
   ROSTRA — design tokeny a základní styly
   Barvy: navy #13244f je změřená reálná barva z firemního loga (Pantone 2757-C / RAL 5002).
   Bez červeného akcentu (na přání klienta) — monochromatická paleta z navy + neutrály.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@500;600;700;800&family=Mulish:ital,wght@0,400;0,600;0,700;1,400&display=swap');

:root {
  /* Barvy */
  --navy-900: #0a1730;
  --navy-800: #13244f; /* brand — přímo z loga */
  --navy-700: #1c3266;
  --navy-600: #28417d;
  --navy-500: #3a56a0;
  --navy-100: #eef1f8;

  --white: #ffffff;
  --grey-050: #f6f7f9;
  --grey-100: #eef0f4;
  --grey-200: #e2e5ea;
  --grey-300: #cfd3da;
  --grey-400: #9aa0a6;
  --grey-500: #63686b;

  --ink: #1f2430;
  --ink-muted: #5b6270;

  /* Typografie */
  --font-display: 'Poppins', 'Segoe UI', system-ui, sans-serif;
  --font-body: 'Mulish', 'Segoe UI', system-ui, sans-serif;

  --text-xs: 0.8rem;
  --text-sm: 0.9rem;
  --text-base: 1rem;
  --text-lg: 1.25rem;
  --text-xl: 1.563rem;
  --text-2xl: 1.953rem;
  --text-3xl: 2.441rem;
  --text-4xl: 3.052rem;

  /* Prostor */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 1rem;
  --space-4: 1.5rem;
  --space-5: 2rem;
  --space-6: 3rem;
  --space-7: 4rem;
  --space-8: 6rem;

  --container-max: 1200px;
  --radius-sm: 3px;
  --radius-md: 6px;
  --shadow-md: 0 10px 30px rgba(10, 23, 48, 0.12);
  --dur: 200ms;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--white);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: var(--navy-700); text-decoration: none; }
a:hover { color: var(--navy-500); }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--navy-800);
  line-height: 1.2;
  margin: 0 0 var(--space-3);
}
h1 { font-size: clamp(2rem, 4vw, var(--text-4xl)); font-weight: 700; }
h2 { font-size: clamp(1.6rem, 3vw, var(--text-3xl)); font-weight: 700; }
h3 { font-size: var(--text-xl); font-weight: 600; }
h4 { font-size: var(--text-lg); font-weight: 600; }

p { margin: 0 0 var(--space-3); max-width: 65ch; }
ul, ol { padding-left: 1.25em; }

:focus-visible {
  outline: 3px solid var(--navy-500);
  outline-offset: 2px;
}

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-4);
}

.section { padding: var(--space-8) 0; }
.section--alt { background: var(--grey-050); }
.section--navy { background: var(--navy-800); color: rgba(255,255,255,.9); }
.section--navy h2, .section--navy h3 { color: #fff; }
.section--navy p { color: rgba(255,255,255,.78); }

@media (max-width: 720px) {
  .section { padding: var(--space-6) 0; }
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-sm);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--navy-500);
  margin-bottom: var(--space-2);
}
.section--navy .eyebrow { color: #9db0e0; }

.section-head { max-width: 720px; margin-bottom: var(--space-6); }
.section-head--center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head .rule {
  width: 56px; height: 3px; background: var(--navy-700);
  margin: var(--space-3) 0; border: 0;
}
.section-head--center .rule { margin-left: auto; margin-right: auto; }
.section--navy .section-head .rule { background: #fff; }

/* ---------- Tlačítka ---------- */
.btn {
  display: inline-flex; align-items: center; gap: .5em;
  font-family: var(--font-display); font-weight: 600; font-size: var(--text-base);
  padding: .85em 1.6em; border-radius: var(--radius-sm);
  border: 2px solid transparent; cursor: pointer;
  transition: background var(--dur), color var(--dur), border-color var(--dur);
}
.btn-primary { background: var(--navy-800); color: #fff; }
.btn-primary:hover { background: var(--navy-600); color: #fff; }
.btn-outline { background: transparent; border-color: currentColor; color: var(--navy-800); }
.btn-outline:hover { background: var(--navy-800); color: #fff; }
.btn-outline-light { background: transparent; border-color: rgba(255,255,255,.6); color: #fff; }
.btn-outline-light:hover { background: #fff; color: var(--navy-800); }
.btn-row { display: flex; flex-wrap: wrap; gap: var(--space-3); }

/* Primární tlačítko na tmavém podkladu (hero foto, CTA pás) — navy na navy by nebylo vidět */
.hero .btn-primary, .cta-band .btn-primary {
  background: #fff; color: var(--navy-800);
}
.hero .btn-primary:hover, .cta-band .btn-primary:hover {
  background: var(--navy-100); color: var(--navy-800);
}

/* ---------- Hlavička ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: var(--navy-800);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--space-4); padding: .7rem var(--space-4);
  max-width: var(--container-max); margin: 0 auto;
}
.logo-link { display: flex; align-items: center; }
.logo-link img { height: 34px; width: auto; }

.main-nav { display: flex; align-items: center; gap: var(--space-5); }
.main-nav ul { list-style: none; display: flex; gap: var(--space-4); margin: 0; padding: 0; }
.main-nav a {
  color: rgba(255,255,255,.85); font-family: var(--font-display);
  font-weight: 500; font-size: var(--text-sm); letter-spacing: .01em;
  padding: .3em 0; border-bottom: 2px solid transparent;
}
.main-nav a:hover, .main-nav a[aria-current="page"] {
  color: #fff; border-bottom-color: #fff;
}

.header-actions { display: flex; align-items: center; gap: var(--space-4); }
.header-phone {
  color: #fff; font-family: var(--font-display); font-weight: 600;
  font-size: var(--text-sm); white-space: nowrap; display: flex; align-items: center; gap: .4em;
}
.btn-kariera {
  background: #fff; color: var(--navy-800); font-family: var(--font-display);
  font-weight: 700; font-size: var(--text-sm); padding: .55em 1.1em;
  border-radius: var(--radius-sm); white-space: nowrap;
}
.btn-kariera:hover { background: var(--navy-100); color: var(--navy-800); }

.nav-toggle {
  display: none; background: none; border: 0; color: #fff; font-size: 1.6rem;
  cursor: pointer; padding: .2em .4em;
  min-width: 44px; min-height: 44px;
  align-items: center; justify-content: center;
}

@media (max-width: 900px) {
  .main-nav { position: fixed; inset: 56px 0 0 0; background: var(--navy-800);
    flex-direction: column; align-items: flex-start; padding: var(--space-4);
    transform: translateX(100%); visibility: hidden;
    transition: transform var(--dur), visibility 0s var(--dur);
    overflow-y: auto;
  }
  .main-nav.is-open { transform: translateX(0); visibility: visible; transition: transform var(--dur); }
  .main-nav ul { flex-direction: column; width: 100%; gap: var(--space-2); }
  .main-nav a { display: block; padding: .6em 0; }
  .nav-toggle { display: flex; }
  .header-phone span.phone-text { display: none; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative; color: #fff;
  min-height: 560px; display: flex; align-items: center;
  background-size: cover; background-position: center;
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(120deg, rgba(10,23,48,.92) 0%, rgba(10,23,48,.72) 45%, rgba(10,23,48,.5) 100%);
}
.hero-inner { position: relative; z-index: 1; padding: var(--space-7) var(--space-4); max-width: var(--container-max); margin: 0 auto; width: 100%; }
.hero h1 { color: #fff; max-width: 16ch; }
.hero .lead { color: rgba(255,255,255,.85); font-size: var(--text-lg); max-width: 50ch; }
.hero .eyebrow { color: #b9c6ea; }

/* ---------- Statistiky ---------- */
.stat-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px;
  background: var(--grey-200); border: 1px solid var(--grey-200);
  margin-top: -56px; position: relative; z-index: 2;
  box-shadow: var(--shadow-md);
}
.stat-tile { background: #fff; padding: var(--space-5) var(--space-4); text-align: center; }
.stat-value { display: block; font-family: var(--font-display); font-weight: 800; font-size: var(--text-2xl); color: var(--navy-800); }
.stat-label { display: block; font-size: var(--text-sm); color: var(--ink-muted); margin-top: .2em; }
@media (max-width: 720px) {
  .stat-grid { grid-template-columns: repeat(2, 1fr); margin-top: 0; }
}

/* ---------- Split (text/obrázek) ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-7); align-items: center; }
.split.split--reverse .split-media { order: 2; }
.split-media img { width: 100%; height: 100%; object-fit: cover; border-radius: var(--radius-md); }
.split-media figcaption { font-size: var(--text-sm); color: var(--ink-muted); margin-top: var(--space-2); }
@media (max-width: 860px) {
  .split { grid-template-columns: 1fr; gap: var(--space-5); }
  .split.split--reverse .split-media { order: 0; }
}

/* ---------- Dvě divize ---------- */
.company-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); }
.company-card {
  position: relative; min-height: 340px; display: flex; flex-direction: column; justify-content: flex-end;
  padding: var(--space-5); color: #fff; background-size: cover; background-position: center;
  border-radius: var(--radius-md); overflow: hidden;
}
.company-card::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(0deg, rgba(10,23,48,.92) 10%, rgba(10,23,48,.25) 75%);
}
.company-card > * { position: relative; z-index: 1; }
.company-tag {
  display: inline-block; background: rgba(255,255,255,.16); border: 1px solid rgba(255,255,255,.4);
  padding: .3em .8em; font-size: var(--text-xs); font-weight: 700; letter-spacing: .08em;
  text-transform: uppercase; border-radius: var(--radius-sm); margin-bottom: var(--space-2); width: fit-content;
}
.company-card h3 { color: #fff; font-size: var(--text-2xl); margin-bottom: .3em; }
.company-card p { color: rgba(255,255,255,.85); margin-bottom: var(--space-3); }
.company-card .btn-outline-light { align-self: flex-start; }
@media (max-width: 720px) { .company-grid { grid-template-columns: 1fr; } }

/* ---------- Karty (3 sloupce) ---------- */
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-4); }
.card {
  border: 1px solid var(--grey-200); border-radius: var(--radius-md);
  padding: var(--space-4); background: #fff; transition: box-shadow var(--dur), transform var(--dur);
}
.card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.card h4 { margin-bottom: .4em; }
.card p { margin-bottom: 0; font-size: var(--text-sm); color: var(--ink-muted); }
@media (max-width: 860px) { .card-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .card-grid { grid-template-columns: 1fr; } }

/* ---------- Checklist ---------- */
.checklist { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: 1fr 1fr; gap: .6em var(--space-4); }
.checklist li { padding-left: 1.6em; position: relative; font-size: var(--text-sm); }
.checklist li::before { content: "✓"; position: absolute; left: 0; color: var(--navy-700); font-weight: 700; }
@media (max-width: 560px) { .checklist { grid-template-columns: 1fr; } }

/* ---------- Seznam značek (textová "logo wall", dokud nemáme loga partnerů jako soubory) ---------- */
.brand-list { display: flex; flex-wrap: wrap; align-items: center; gap: .6em; }
.brand-list + .brand-list { margin-top: var(--space-3); }
.brand-list-label {
  font-family: var(--font-display); font-weight: 700; font-size: var(--text-xs);
  letter-spacing: .08em; text-transform: uppercase; color: #9db0e0; margin-right: .4em;
}
.brand-chip {
  display: inline-block; padding: .35em .9em; border: 1px solid rgba(255,255,255,.35);
  border-radius: 999px; font-size: var(--text-sm); font-weight: 600; color: #fff;
}
.section:not(.section--navy) .brand-list-label { color: var(--navy-500); }
.section:not(.section--navy) .brand-chip { border-color: var(--grey-300); color: var(--navy-800); background: var(--grey-050); }

/* ---------- Citace / reference ---------- */
.quote-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: rgba(255,255,255,.15); border: 1px solid rgba(255,255,255,.15); margin-top: var(--space-5); }
.quote-tile { background: var(--navy-700); padding: var(--space-5); display: flex; flex-direction: column; gap: var(--space-3); }
.quote-tile .quote-name { font-family: var(--font-display); font-weight: 700; letter-spacing: .04em; color: #fff; }
.quote-tile p { color: rgba(255,255,255,.82); font-size: var(--text-sm); margin: 0; }
@media (max-width: 860px) { .quote-grid { grid-template-columns: 1fr; } }

/* ---------- CTA pás ---------- */
.cta-band {
  background: var(--navy-900); color: #fff; padding: var(--space-6) 0;
}
.cta-band .container { display: flex; align-items: center; justify-content: space-between; gap: var(--space-5); flex-wrap: wrap; }
.cta-band h3 { color: #fff; margin-bottom: .2em; }
.cta-band p { color: rgba(255,255,255,.75); margin-bottom: 0; }

/* ---------- Galerie ---------- */
.gallery { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-2); }
.gallery figure { margin: 0; overflow: hidden; border-radius: var(--radius-sm); position: relative; }
.gallery img { width: 100%; height: 220px; object-fit: cover; transition: transform var(--dur); }
.gallery a:hover img { transform: scale(1.04); }
.gallery figcaption {
  position: absolute; left: 0; right: 0; bottom: 0; padding: .5em .7em;
  background: linear-gradient(0deg, rgba(10,23,48,.85), transparent);
  color: #fff; font-size: var(--text-xs);
}
@media (max-width: 900px) { .gallery { grid-template-columns: repeat(2, 1fr); } }

/* ---------- Kroky ---------- */
.steps { display: grid; grid-template-columns: repeat(6, 1fr); gap: var(--space-3); counter-reset: step; }
.step { text-align: left; }
.step-num {
  width: 40px; height: 40px; background: var(--navy-800); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-weight: 700; border-radius: var(--radius-sm);
  margin-bottom: var(--space-2);
}
.step h4 { font-size: var(--text-base); margin-bottom: .3em; }
.step p { font-size: var(--text-sm); color: var(--ink-muted); margin: 0; }
@media (max-width: 960px) { .steps { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 620px) { .steps { grid-template-columns: repeat(2, 1fr); } }

/* ---------- Tabulka technických dat ---------- */
.table-wrap { overflow-x: auto; margin: var(--space-4) 0; }
table.spec-table { width: 100%; border-collapse: collapse; font-size: var(--text-sm); min-width: 560px; }
.spec-table th, .spec-table td { padding: .6em .8em; border-bottom: 1px solid var(--grey-200); text-align: left; }
.spec-table th { font-family: var(--font-display); font-weight: 700; color: var(--navy-800); background: var(--grey-050); white-space: nowrap; }
.spec-table tr:hover td { background: var(--grey-050); }

/* ---------- FAQ ---------- */
.faq-item { border-bottom: 1px solid var(--grey-200); }
.faq-q {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: var(--space-3);
  background: none; border: 0; text-align: left; cursor: pointer;
  padding: var(--space-4) 0; font-family: var(--font-display); font-weight: 600; font-size: var(--text-base); color: var(--navy-800);
}
.faq-q .faq-icon { flex-shrink: 0; font-size: 1.3em; transition: transform var(--dur); color: var(--navy-700); }
.faq-item[open] .faq-icon { transform: rotate(45deg); }
.faq-a { padding: 0 0 var(--space-4); color: var(--ink-muted); }
.faq-a p:last-child { margin-bottom: 0; }

/* ---------- Milníky (timeline) ---------- */
.timeline { list-style: none; margin: 0; padding: 0; border-left: 2px solid var(--grey-200); }
.timeline li { position: relative; padding: 0 0 var(--space-4) var(--space-5); }
.timeline li::before {
  content: ""; position: absolute; left: -7px; top: 4px; width: 12px; height: 12px;
  background: var(--navy-800); border-radius: 50%; border: 2px solid #fff; box-shadow: 0 0 0 2px var(--grey-200);
}
.timeline .year { font-family: var(--font-display); font-weight: 700; color: var(--navy-800); margin-right: .5em; }
.timeline p { display: inline; margin: 0; color: var(--ink-muted); font-size: var(--text-sm); }

/* ---------- Poptávkový průvodce ---------- */
.wizard { background: #fff; border: 1px solid var(--grey-200); border-radius: var(--radius-md); padding: var(--space-5); box-shadow: var(--shadow-md); }
.wizard-step { display: none; }
.wizard-step.is-active { display: block; }
.wizard-progress { display: flex; gap: .4em; margin-bottom: var(--space-4); }
.wizard-progress span { flex: 1; height: 4px; background: var(--grey-200); border-radius: 2px; }
.wizard-progress span.is-done { background: var(--navy-800); }
.wizard-options { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-3); margin: var(--space-4) 0; }
.wizard-option {
  border: 2px solid var(--grey-200); border-radius: var(--radius-md); padding: var(--space-3) var(--space-4);
  background: #fff; cursor: pointer; text-align: left; font: inherit; color: var(--ink);
  transition: border-color var(--dur), background var(--dur);
}
.wizard-option:hover, .wizard-option:focus-visible { border-color: var(--navy-500); }
.wizard-option.is-selected { border-color: var(--navy-800); background: var(--navy-100); }
.wizard-result { display: none; }
.wizard-result.is-active { display: block; }
.wizard-result .result-badge {
  display: inline-block; background: var(--navy-800); color: #fff; padding: .3em .9em;
  border-radius: var(--radius-sm); font-family: var(--font-display); font-weight: 700; margin-bottom: var(--space-3);
}
@media (max-width: 560px) { .wizard-options { grid-template-columns: 1fr; } }

/* ---------- Formulář ---------- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-3); }
.form-grid .full { grid-column: 1 / -1; }
label { display: block; font-size: var(--text-sm); font-weight: 600; margin-bottom: .3em; color: var(--navy-800); }
input, select, textarea {
  width: 100%; font: inherit; padding: .7em .8em; border: 1px solid var(--grey-300);
  border-radius: var(--radius-sm); background: #fff; color: var(--ink);
}
input:focus, select:focus, textarea:focus { border-color: var(--navy-500); outline: none; box-shadow: 0 0 0 3px rgba(58,86,160,.18); }
.form-note { font-size: var(--text-xs); color: var(--ink-muted); }
@media (max-width: 620px) { .form-grid { grid-template-columns: 1fr; } }

/* ---------- Patička ---------- */
.site-footer { background: var(--navy-900); color: rgba(255,255,255,.75); padding: var(--space-7) 0 var(--space-4); }
.footer-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr 1fr; gap: var(--space-5); }
.footer-grid h4 { color: #fff; font-size: var(--text-base); margin-bottom: var(--space-3); }
.footer-grid ul { list-style: none; padding: 0; margin: 0; display: grid; gap: .5em; }
.footer-grid a { color: rgba(255,255,255,.75); }
.footer-grid a:hover { color: #fff; }
.footer-logo img { height: 30px; margin-bottom: var(--space-3); }
.footer-grid p { color: rgba(255,255,255,.65); font-size: var(--text-sm); }
.footer-certs { display: flex; flex-wrap: wrap; gap: var(--space-3); align-items: center; margin-top: var(--space-6); padding-top: var(--space-5); border-top: 1px solid rgba(255,255,255,.14); }
.footer-certs img { height: 56px; width: auto; background: #fff; padding: 4px; border-radius: 3px; }
.footer-bottom {
  margin-top: var(--space-5); padding-top: var(--space-4); border-top: 1px solid rgba(255,255,255,.14);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: var(--space-2);
  font-size: var(--text-xs); color: rgba(255,255,255,.55);
}
@media (max-width: 900px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .footer-grid { grid-template-columns: 1fr; } }

/* ---------- Kariéra: pozice ---------- */
.job-cols { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-6); }
.job-list { list-style: none; margin: 0; padding: 0; }
.job-list li { border-bottom: 1px solid var(--grey-200); padding: .8em 0; font-weight: 600; color: var(--navy-800); }
@media (max-width: 720px) { .job-cols { grid-template-columns: 1fr; } }

/* ---------- Skip link, utility ---------- */
.skip-link {
  position: absolute; left: -9999px; top: 0; background: #fff; color: var(--navy-800);
  padding: .8em 1.2em; z-index: 100; border-radius: 0 0 var(--radius-sm) 0;
}
.skip-link:focus { left: 0; }
.mt-0 { margin-top: 0; }
.text-muted { color: var(--ink-muted); }
.placeholder { background: #fff3cd; border: 1px dashed #d1a300; padding: .2em .5em; border-radius: 3px; font-size: .9em; }