:root {
  /* MODRÁ PROFESIONALITA (Indigo/Cyan) */
  --primary-color: #3f51b5; /* Hluboká Indigo Modrá (Důvěra, Autorita) */
  --secondary-color: #00bcd4; /* Světlejší Cyan/Azurová (Moderní Akcent, Čitelnější) */
  --text-dark: #212121; /* Velmi tmavá pro ostrý kontrast */
  --text-medium: #616161;
  --text-light: #ffffff;
  --background-light: #ffffff;
  --background-soft: #f9f9f9;

  --font-family: "Inter", sans-serif;
  --border-radius-sm: 8px;
  --shadow-subtle: 0 2px 10px rgba(0, 0, 0, 0.04);
  --shadow-accent: 0 8px 20px rgba(0, 188, 212, 0.3);
}

/* --- Základní styly a reset --- */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-family);
  line-height: 1.6;
  color: var(--text-medium);
  background-color: var(--background-light);
  padding-top: 80px;
}

section {
  padding: 100px 7%;
  max-width: 1400px;
  margin: 0 auto;
}

/* --- Hlavička (Fixed Header - Ostrá linie) --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: var(--background-light);
  box-shadow: var(--shadow-subtle);
  z-index: 1000;
  padding: 20px 7%;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.7rem;
  font-weight: 900;
  color: var(--primary-color);
}

.header nav ul {
  list-style: none;
  display: flex;
  align-items: center;
}

.header nav ul li {
  margin-left: 35px;
}

.header nav ul li a {
  text-decoration: none;
  color: var(--text-dark);
  font-weight: 600;
  transition: color 0.3s;
}

.header nav ul li a:hover {
  color: var(--secondary-color);
}

/* CTA v Navigaci */
.cta-nav a {
  background-color: var(--secondary-color) !important;
  color: var(--text-dark) !important;
  padding: 10px 20px;
  border-radius: var(--border-radius-sm);
  box-shadow: 0 0 10px rgba(0, 188, 212, 0.5);
}

.cta-nav a:hover {
  box-shadow: var(--shadow-accent);
}

/* --- Tlačítka (CTA) --- */
.button {
  display: inline-block;
  padding: 16px 35px;
  text-decoration: none;
  border-radius: var(--border-radius-sm);
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: 0.8px;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
}

.cta-primary {
  background-color: var(--secondary-color);
  color: var(--text-dark);
  box-shadow: var(--shadow-accent);
}

.cta-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(0, 188, 212, 0.5);
}

/* --- Hero Sekce --- */
.hero {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  padding: 150px 7% 100px;
}

.hero-content {
  flex: 3;
}

/* STYLY PRO VÁŠ OBRÁZEK heropng.png */
.hero-visual {
  flex: 2;
  min-height: 400px; /* Výška vizuálu, doporučeno pro izometrickou grafiku */

  /* ZDE JE INTEGRACE OBRÁZKU */
  background: url("heropng.png") no-repeat center center;
  background-size: contain; /* Zajistí, že se celý obrázek vejde */

  /* Odstranění původních placeholderů */
  background-color: transparent;
  border: none;
  border-radius: 0;
  box-shadow: none;

  /* Zajištění centrování obsahu */
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Odstraníme textový placeholder, který tam byl dříve */
.hero-visual::after {
  content: "";
}
/* KONEC STYLŮ PRO VÁŠ OBRÁZEK heropng.png */

.hero h1 {
  font-size: 3.8rem;
  font-weight: 900;
  color: var(--text-dark);
  line-height: 1.1;
  letter-spacing: -1.5px;
}

.hero h1 strong {
  color: var(--primary-color);
}

.hero p {
  font-size: 1.25rem;
  margin-top: 25px;
  margin-bottom: 50px;
  color: var(--text-medium);
}

/* ========================================= */
/* --- Sekce Důkaz Segmentu (Specializace) --- */
/* ========================================= */
.dukaz-segmentu {
  background-color: var(--background-soft);
  padding: 70px 7%;
  text-align: center;
}

.dukaz-content {
  max-width: 800px;
  margin: 0 auto;
}

.dukaz-nadpis {
  font-size: 2.2rem;
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-dark);
  margin-bottom: 20px;
}

.dukaz-nadpis strong {
  color: var(--primary-color);
  font-weight: 900;
}

.dukaz-text {
  font-size: 1.15rem;
  color: var(--text-medium);
  margin-top: 15px;
}

.dukaz-text strong {
  color: var(--text-dark);
}

/* --- Sekce Služby --- */
.sluzby {
  background-color: var(--background-light);
  text-align: center;
  padding-top: 100px;
}

.sluzby h2 {
  margin-bottom: 50px;
  font-size: 2.2rem;
  color: var(--text-dark);
}

.sluzba-karty {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.karta {
  background-color: var(--background-soft);
  padding: 30px;
  border-radius: var(--border-radius-sm);
  text-align: left;
  box-shadow: var(--shadow-subtle);
  border: 1px solid #ededed;
  transition: transform 0.3s ease;
}
 
.karta:hover {
  transform: translateY(-5px);
  border-color: var(--secondary-color);
}

.karta h3 {
  color: var(--primary-color);
  font-size: 1.4rem;
  font-weight: 800;
  margin-bottom: 15px;
  position: relative;
  padding-left: 25px;
}

.karta h3::before {
  content: "🔷";
  position: absolute;
  left: 0;
  color: var(--secondary-color);
  font-size: 1em;
}

/* --- Sekce Proces --- */
.proces {
  background-color: var(--background-light);
  text-align: center;
}

.section-heading-dark {
  margin-bottom: 50px;
  font-size: 2.2rem;
  color: var(--text-dark);
}

.proces-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin-top: 50px;
}

.proces-krok {
  text-align: left;
  padding: 0 15px;
  position: relative;
}

.proces-krok h3 {
  color: var(--text-dark);
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 15px;
}

.cislo-kroku {
  display: block;
  font-size: 3rem;
  font-weight: 900;
  color: var(--secondary-color);
  margin-bottom: 10px;
}

.proces-krok:not(:last-child)::after {
  content: "→";
  position: absolute;
  top: 50px;
  right: -20px;
  transform: translateY(-50%);
  font-size: 2rem;
  color: #e0e0e0;
}

/* --- Sekce FAQ --- */
.faq {
  background-color: var(--background-light);
  text-align: center;
  padding-bottom: 50px;
}

.faq-list {
  max-width: 800px;
  margin: 40px auto 0;
  text-align: left;
}

.faq-item {
  border-bottom: 1px solid #eeeeee;
  padding: 20px 0;
  cursor: pointer;
}

.faq-otazka {
  font-size: 1.2rem;
  color: var(--text-dark);
  font-weight: 700;
  position: relative;
  padding-right: 30px;
}

.faq-otazka::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 0;
  color: var(--secondary-color);
  font-size: 1.5rem;
  transition: transform 0.3s;
}

.faq-odpoved {
  margin-top: 10px;
  color: var(--text-medium);
}

/* ============================================== */
/* --- CTA Sekce / KONTAKT S TELEFONEM A EMAILEM --- */
/* ============================================== */
.cta-section {
  background-color: var(--primary-color);
  padding: 100px 7%;
  text-align: center;
  color: var(--text-light);
}

.cta-section h2 {
  font-size: 2.5rem;
  margin-bottom: 40px;
  color: var(--text-light);
}

.contact-methods {
  max-width: 550px;
  margin: 0 auto;
}

.call-to-action-phone {
  margin-bottom: 30px;
  padding: 20px;
  background-color: rgba(0, 0, 0, 0.15);
  border-radius: var(--border-radius-sm);
}

.phone-label {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 5px;
  color: var(--secondary-color);
}

.phone-number {
  display: block;
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--text-light);
  text-decoration: none;
  transition: color 0.3s;
}

.phone-number:hover {
  color: var(--secondary-color);
  text-decoration: none;
}

.phone-info {
  font-size: 0.9rem;
  margin-top: 10px;
  color: rgba(255, 255, 255, 0.8);
}

.phone-info strong {
  color: var(--text-light);
}

.separator-text {
  margin: 20px 0;
  font-size: 0.9rem;
  letter-spacing: 2px;
  opacity: 0.7;
}

.mailto-cta {
  width: 100%;
}

.email-address-text {
  margin-top: 20px;
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.9);
}

/* --- Patička --- */
.footer {
  background-color: var(--text-dark);
  color: var(--background-soft);
  text-align: center;
  padding: 30px 7%;
  font-size: 0.9rem;
}

/* ========================================= */
/* --- Základní Responsivita (Mobily) --- */
/* ========================================= */

@media (max-width: 768px) {
  /* Zmenšení paddingu sekcí */
  section {
    padding: 50px 5%;
  }

  .dukaz-segmentu {
    padding: 40px 5%;
  }
  .dukaz-nadpis {
    font-size: 1.8rem;
  }

  /* Hero sekce na mobilech */
  .hero {
    flex-direction: column;
    text-align: center;
    padding-top: 100px;
  }

  .hero h1 {
    font-size: 2.5rem;
    letter-spacing: -1px;
  }

  .hero p {
    font-size: 1.1rem;
  }

  /* Vizuál na mobilu jde nad text */
  .hero-visual {
    order: -1;
    min-height: 250px; /* Menší výška na mobilu */
    width: 100%;
    margin-bottom: 30px;
  }

  /* Navigace */
  .header nav {
    display: none;
  }

  .header {
    justify-content: center;
  }

  /* Služby */
  .sluzba-karty {
    grid-template-columns: 1fr;
  }

  /* Proces na mobilech (vertikální seznam) */
  .proces-grid {
    grid-template-columns: 1fr;
    gap: 50px;
  }

  .proces-krok {
    padding: 0;
  }

  .proces-krok:not(:last-child)::after {
    content: "↓";
    position: absolute;
    top: 120px;
    left: 50%;
    transform: translateX(-50%);
    right: auto;
  }

  /* FAQ */
  .faq-list {
    padding: 0 10px;
  }

  .faq-otazka {
    font-size: 1.1rem;
  }

  /* Kontakt */
  .cta-section h2 {
    font-size: 2rem;
  }

  .phone-number {
    font-size: 2rem;
  }

  .mailto-cta {
    display: block;
  }
}