:root {
  --primary-color: #003399;
  --secondary-color: #0066cc;
  --accent-color: #cc0000;
  --light-bg: #f8f9fa;
  --dark-bg: #212529;
  --text-color: #333;
  --light-text: #fff;
  --transition: all 0.3s ease;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Poppins', sans-serif;
}

html {
  scroll-behavior: smooth;
}

body {
  color: var(--text-color);
  background-color: #fff;
  line-height: 1.6;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header styles */
header {
  background-color: var(--primary-color);
  color: var(--light-text);
  position: fixed;
  width: 100%;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 0;
}

.logo {
  display: flex;
  align-items: center;
}

.logo img {
  height: 90px;
  margin-right: 10px;
  max-width: 200px;
}

.logo h1 {
  font-size: 24px;
  font-weight: 700;
}

.nav-links {
  display: flex;
  list-style: none;
}

.nav-links li {
  margin-left: 30px;
}

.nav-links a {
  color: var(--light-text);
  text-decoration: none;
  font-weight: 500;
  font-size: 16px;
  transition: var(--transition);
}

.nav-links a:hover {
  color: #ccc;
}

.language-selector {
  display: flex;
  align-items: center;
  margin-left: 20px;
}

.language-selector a {
  color: var(--light-text);
  text-decoration: none;
  font-size: 14px;
  padding: 5px;
  margin-left: 5px;
  transition: var(--transition);
}

.language-selector a.active {
  font-weight: bold;
  text-decoration: underline;
}

.language-selector a:hover {
  color: #ccc;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
}

.menu-toggle span {
  width: 25px;
  height: 3px;
  background-color: var(--light-text);
  margin: 2px 0;
  transition: var(--transition);
}

/* Hero section */
.hero {
  padding-top: 150px;
  padding-bottom: 100px;
  background-image: url('../images/hero-bg.png');
  background-size: cover;
  background-position: center;
  color: var(--light-text);
  text-align: center;
  position: relative;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.7);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 0 auto;
}

.hero h2 {
  font-size: 48px;
  font-weight: 700;
  margin-bottom: 20px;
}

.hero h2 span {
  color: var(--accent-color);
}

.hero p {
  font-size: 18px;
  margin-bottom: 30px;
}

.btn {
  display: inline-block;
  padding: 12px 30px;
  background-color: var(--accent-color);
  color: var(--light-text);
  text-decoration: none;
  border-radius: 5px;
  font-weight: 500;
  transition: var(--transition);
  border: none;
  cursor: pointer;
}

.btn:hover {
  background-color: #aa0000;
  transform: translateY(-2px);
}

.btn-outline {
  background-color: transparent;
  border: 2px solid var(--light-text);
}

.btn-outline:hover {
  background-color: var(--light-text);
  color: var(--primary-color);
}

/* About section */
.about {
  padding: 40px 0;
  background-color: var(--light-bg);
}

.section-title {
  text-align: center;
  margin-bottom: 30px;
}

.section-title h3 {
  font-size: 36px;
  color: var(--primary-color);
  position: relative;
  display: inline-block;
  padding-bottom: 15px;
}

.section-title h3::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 3px;
  background-color: var(--accent-color);
}

.about-content {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
}

.about-text {
  flex: 1;
  min-width: 300px;
  padding-right: 30px;
}

.about-text h4 {
  font-size: 24px;
  margin-bottom: 15px;
  color: var(--primary-color);
}

.about-features {
  flex: 1;
  min-width: 300px;
}

.feature {
  margin-bottom: 20px;
  display: flex;
  align-items: flex-start;
}

.feature i {
  color: var(--accent-color);
  font-size: 24px;
  margin-right: 15px;
  margin-top: 5px;
}

.feature-content h5 {
  font-size: 20px;
  margin-bottom: 5px;
  color: var(--primary-color);
}

/* Ecosystem section */
.ecosystem {
  padding: 50px 0;
  background-color: #fff;
}

.ecosystem-content {
  text-align: center;
}

.ecosystem-image {
  margin: 60px 0;
}

.ecosystem-image img {
  max-width: 80%;
  height: auto;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  border-radius: 10px;
  display: block;
  margin: 0 auto; /* Vycentrovat obrázek */
}

.ecosystem-benefits {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-around;
  margin-top: 30px;
}

.benefit {
  flex: 1;
  min-width: 250px;
  margin: 15px;
  padding: 20px;
  background-color: var(--light-bg);
  border-radius: 10px;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
  transition: var(--transition);
}

.benefit:hover {
  transform: translateY(-5px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.benefit i {
  color: var(--accent-color);
  font-size: 24px;
  margin-bottom: 15px;
}

.benefit h5 {
  font-size: 18px;
  margin-bottom: 10px;
  color: var(--primary-color);
}

/* Solutions section */
.solutions {
  padding: 40px 0;
  background-color: var(--light-bg);
}

.solution-tabs {
  display: flex;
  justify-content: center;
  margin-bottom: 30px;
}

.solution-tab {
  padding: 10px 20px;
  margin: 0 5px;
  background-color: var(--primary-color);
  color: var(--light-text);
  border: none;
  border-radius: 5px;
  cursor: pointer;
  transition: var(--transition);
}

.solution-tab:hover {
  background-color: var(--secondary-color);
}

.solution-tab.active {
  background-color: var(--accent-color);
}

.solution-content {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-around;
}

.solution-card {
  flex: 1;
  min-width: 300px;
  max-width: 350px;
  margin: 15px;
  background-color: #fff;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
  transition: var(--transition);
}

.solution-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.solution-image {
  height: 200px;
  overflow: hidden;
}

.solution-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.solution-card:hover .solution-image img {
  transform: scale(1.05);
}

.solution-info {
  padding: 20px;
}

.solution-info h4 {
  font-size: 20px;
  margin-bottom: 10px;
  color: var(--primary-color);
}

.solution-info p {
  margin-bottom: 15px;
}

.solution-info a {
  color: var(--accent-color);
  text-decoration: none;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  transition: var(--transition);
}

.solution-info a i {
  margin-left: 5px;
}

.solution-info a:hover {
  color: var(--primary-color);
}

/* Benefits section */
.benefits {
  padding: 50px 0;
  background-color: #fff;
}

.benefits-content {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-around;
}

.benefit-card {
  flex: 1;
  min-width: 280px;
  max-width: 350px;
  margin: 15px;
  padding: 30px 20px;
  background-color: var(--light-bg);
  border-radius: 10px;
  text-align: center;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
  transition: var(--transition);
}

.benefit-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.benefit-card i {
  color: var(--accent-color);
  font-size: 30px;
  margin-bottom: 20px;
}

.benefit-card h4 {
  font-size: 20px;
  margin-bottom: 15px;
  color: var(--primary-color);
}

.benefit-card p {
  font-size: 15px;
}

/* Team section */
.team {
  padding: 50px 0;
  background-color: var(--light-bg);
}

.team-content {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
}

.team-member {
  width: 250px;
  margin: 20px;
  text-align: center;
}

.team-photo {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  overflow: hidden;
  margin: 0 auto 20px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.team-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.team-member h4 {
  font-size: 20px;
  margin-bottom: 5px;
  color: var(--primary-color);
}

.team-member p {
  color: var(--accent-color);
  font-size: 14px;
  margin-bottom: 10px;
}

.team-member .bio {
  font-size: 14px;
}

/* Partners Section */
.partners {
  padding: 50px 0;
  background-color: #f9f9f9;
}

.partners-content {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); /* Menší velikost než u team sekce */
  gap: 25px; /* Menší mezera */
  margin-top: 40px;
}

/* Pro větší obrazovky zobrazit 4 partnery v řadě */
@media (min-width: 1200px) {
  .partners-content {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Pro středně velké obrazovky zobrazit 3 partnery v řadě */
@media (min-width: 768px) and (max-width: 1199px) {
  .partners-content {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Pro menší obrazovky zobrazit 2 partnery v řadě */
@media (min-width: 480px) and (max-width: 767px) {
  .partners-content {
    grid-template-columns: repeat(2, 1fr);
  }
}

.partner-member {
  background-color: #fff;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  padding: 20px; /* Menší padding */
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.partner-member:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.partner-logo {
  width: 200px; /* Menší logo */
  height: 200px; /* Menší logo */
  margin: 0 auto 15px;
  overflow: hidden;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #f5f5f5;
}

.partner-logo img {
  max-width: 90%;
  max-height: 90%;
}

.partner-member h4 {
  margin-bottom: 5px;
  color: #333;
  font-size: 0.95em; /* Menší písmo */
}

.partner-member p {
  color: #666;
  margin-bottom: 10px;
  font-size: 0.85em; /* Menší písmo */
}

.partner-member .bio {
  font-size: 0.8em; /* Menší písmo */
  line-height: 1.5;
  color: #777;
}


/* Contact section */
.contact {
  padding: 80px 0;
  background-color: #fff;
}

.contact-content {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
}

.contact-info {
  flex: 1;
  min-width: 300px;
  margin-bottom: 30px;
}

.contact-info h4 {
  font-size: 24px;
  margin-bottom: 20px;
  color: var(--primary-color);
}

.contact-detail {
  display: flex;
  align-items: flex-start;
  margin-bottom: 20px;
}

.contact-detail i {
  color: var(--accent-color);
  font-size: 20px;
  margin-right: 15px;
  margin-top: 5px;
}

.contact-detail-content h5 {
  font-size: 18px;
  margin-bottom: 5px;
  color: var(--primary-color);
}

.contact-form {
  flex: 1;
  min-width: 300px;
}

.contact-form h4 {
  font-size: 24px;
  margin-bottom: 20px;
  color: var(--primary-color);
}

.form-group {
  margin-bottom: 20px;
}

.form-control {
  width: 100%;
  padding: 12px;
  border: 1px solid #ddd;
  border-radius: 5px;
  font-size: 16px;
  transition: var(--transition);
}

.form-control:focus {
  border-color: var(--primary-color);
  outline: none;
}

textarea.form-control {
  resize: vertical;
  min-height: 120px;
}

/* Footer */
footer {
  background-color: var(--dark-bg);
  color: var(--light-text);
  padding: 50px 0 20px;
}

.footer-content {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  margin-bottom: 30px;
}

.footer-col {
  flex: 1;
  min-width: 250px;
  margin-bottom: 30px;
}

.footer-col h4 {
  font-size: 18px;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--accent-color);
  display: inline-block;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: #ccc;
  text-decoration: none;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--accent-color);
  padding-left: 5px;
}

.footer-bottom {
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid #444;
}

.footer-bottom p {
  font-size: 14px;
}

/* Solution detail pages */
.solution-hero {
  padding-top: 160px;
  padding-bottom: 60px;
  background-color: var(--primary-color);
  color: var(--light-text);
}

.solution-hero h2 {
  font-size: 36px;
  margin-bottom: 20px;
}

.solution-hero p {
  font-size: 18px;
  max-width: 800px;
}

.solution-section {
  padding: 60px 0;
}

.solution-section:nth-child(odd) {
  background-color: var(--light-bg);
}

.solution-section h3 {
  font-size: 28px;
  color: var(--primary-color);
  margin-bottom: 20px;
}

.solution-challenges {
  background-color: #f0f0f0;
  padding: 30px;
  border-radius: 10px;
  margin-bottom: 40px;
}

.challenge-list {
  list-style: none;
}

.challenge-list li {
  padding: 10px 0;
  padding-left: 30px;
  position: relative;
}

.challenge-list li::before {
  content: '•';
  color: var(--accent-color);
  font-size: 24px;
  position: absolute;
  left: 0;
  top: 5px;
}

.solution-features {
  margin-top: 30px;
}

.solution-feature {
  margin-bottom: 30px;
  padding: 20px;
  background-color: #fff;
  border-radius: 10px;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
}

.solution-feature h4 {
  font-size: 22px;
  color: var(--primary-color);
  margin-bottom: 15px;
}

.solution-feature p {
  margin-bottom: 15px;
}

.solution-feature ul {
  padding-left: 20px;
  margin-bottom: 15px;
}

.solution-feature ul li {
  margin-bottom: 10px;
}

.solution-benefits {
  margin-top: 30px;
}

.solution-benefit {
  display: flex;
  align-items: flex-start;
  margin-bottom: 20px;
}

.solution-benefit i {
  color: var(--accent-color);
  font-size: 24px;
  margin-right: 15px;
  margin-top: 5px;
}

.solution-benefit-content h5 {
  font-size: 18px;
  margin-bottom: 5px;
  color: var(--primary-color);
}

.use-cases {
  margin-top: 30px;
}

.use-case {
  margin-bottom: 20px;
  padding: 20px;
  background-color: #fff;
  border-radius: 10px;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
}

.use-case h4 {
  font-size: 20px;
  color: var(--primary-color);
  margin-bottom: 10px;
}

.cta-section {
  background-color: var(--primary-color);
  color: var(--light-text);
  padding: 60px 0;
  text-align: center;
}

.cta-section h3 {
  font-size: 30px;
  margin-bottom: 20px;
}

.cta-section p {
  max-width: 700px;
  margin: 0 auto 30px;
  font-size: 18px;
}

/* AR feature highlight */
.ar-feature {
  background-color: #f8f8f8;
  padding: 30px;
  border-radius: 10px;
  border-left: 5px solid var(--accent-color);
  margin: 40px 0;
}

.ar-feature h4 {
  color: var(--accent-color);
  font-size: 24px;
  margin-bottom: 15px;
}

.ar-feature-content {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
}

.ar-feature-text {
  flex: 1;
  min-width: 300px;
}

.ar-feature-image {
  flex: 1;
  min-width: 300px;
  text-align: center;
  margin-top: 20px;
}

.ar-feature-image img {
  max-width: 100%;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

/* Responsive styles */
@media screen and (max-width: 991px) {
  .hero h2 {
    font-size: 36px;
  }
  
  .section-title h3 {
    font-size: 30px;
  }
  
  .about-text {
    padding-right: 0;
    margin-bottom: 30px;
  }
}

@media screen and (max-width: 768px) {
  .nav-links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 80px;
    left: 0;
    width: 100%;
    background-color: var(--primary-color);
    padding: 20px;
    box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
  }
  
  .nav-links.active {
    display: flex;
  }
  
  .nav-links li {
    margin-left: 0;
    margin-bottom: 15px;
  }
  
  .menu-toggle {
    display: flex;
  }
  
  .hero h2 {
    font-size: 30px;
  }
  
  .hero p {
    font-size: 16px;
  }
  
  .section-title h3 {
    font-size: 26px;
  }
}

@media screen and (max-width: 576px) {
  .hero h2 {
    font-size: 26px;
  }
  
  .section-title h3 {
    font-size: 24px;
  }
  
  .solution-tab {
    padding: 8px 12px;
    font-size: 14px;
  }
  
  .footer-col {
    min-width: 100%;
  }
}