/* Základní nastavení */
:root {
  --primary-color: #3498db;
  --secondary-color: #2980b9;
  --accent-color: #f39c12;
  --text-color: #333;
  --text-light: #666;
  --bg-color: #ffffff;
  --bg-light: #f5f5f5;
  --bg-dark: #e0e0e0;
  --border-color: #ddd;
  --success-color: #2ecc71;
  --error-color: #e74c3c;
  --border-radius: 4px;
  --box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
  --transition: all 0.3s ease;
  --font-main: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  --font-headings: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

/* Tmavý režim */
.dark-mode {
  --primary-color: #3498db;
  --secondary-color: #2980b9;
  --accent-color: #f39c12;
  --text-color: #f5f5f5;
  --text-light: #cccccc;
  --bg-color: #222;
  --bg-light: #333;
  --bg-dark: #444;
  --border-color: #555;
  --box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
}

/* Reset */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-main);
  color: var(--text-color);
  background-color: var(--bg-color);
  line-height: 1.6;
  transition: var(--transition);
}

img {
  max-width: 100%;
  height: auto;
}

a {
  color: var(--primary-color);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--secondary-color);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-headings);
  margin-bottom: 1rem;
  line-height: 1.3;
  color: var(--text-color);
}

h1 {
  font-size: 2.5rem;
}

h2 {
  font-size: 2rem;
}

h3 {
  font-size: 1.5rem;
}

p {
  margin-bottom: 1rem;
}

ul, ol {
  margin-bottom: 1rem;
  padding-left: 1.5rem;
}

li {
  margin-bottom: 0.5rem;
}

/* Kontejner */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* Tlačítka */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  background-color: var(--primary-color);
  color: white;
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
  font-weight: 600;
}

.btn:hover {
  background-color: var(--secondary-color);
  color: white;
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.9rem;
}

.btn-submit {
  background-color: var(--success-color);
}

.btn-submit:hover {
  background-color: #27ae60;
}

/* Header */
header {
  background-color: var(--bg-color);
  box-shadow: var(--box-shadow);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: var(--transition);
}

header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem;
}

.logo img {
  height: 50px;
  width: auto;
}

nav ul {
  display: flex;
  list-style: none;
  padding: 0;
  margin: 0;
}

nav ul li {
  margin: 0 0.5rem;
}

nav ul li a {
  display: block;
  padding: 0.5rem 1rem;
  color: var(--text-color);
  font-weight: 600;
  transition: var(--transition);
  border-radius: var(--border-radius);
}

nav ul li a:hover,
nav ul li a.active {
  color: var(--primary-color);
  background-color: var(--bg-light);
}

/* Přepínač tmavého režimu */
.theme-toggle {
  margin-left: 1rem;
}

.theme-toggle button {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-color);
  padding: 0.5rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.theme-toggle button:hover {
  background-color: var(--bg-light);
}

.dark-mode .sun-icon {
  display: block;
}

.dark-mode .moon-icon {
  display: none;
}

.sun-icon {
  display: none;
}

.moon-icon {
  display: block;
}

/* Hero sekce */
.hero {
  background-color: var(--bg-light);
  padding: 4rem 0;
  text-align: center;
  transition: var(--transition);
}

.hero h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.hero p {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  color: var(--text-light);
}

/* Služby */
.services {
  padding: 4rem 0;
}

.services h2 {
  text-align: center;
  margin-bottom: 3rem;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.service-card {
  background-color: var(--bg-light);
  padding: 2rem;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  text-align: center;
  transition: var(--transition);
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.service-icon {
  margin-bottom: 1.5rem;
  color: var(--primary-color);
}

.service-card h3 {
  margin-bottom: 1rem;
}

/* Statistiky */
.statistics {
  padding: 4rem 0;
  background-color: var(--bg-light);
}

.statistics h2 {
  text-align: center;
  margin-bottom: 1rem;
}

.statistics p {
  text-align: center;
  margin-bottom: 2rem;
  color: var(--text-light);
}

.chart-container {
  max-width: 800px;
  margin: 0 auto;
  background-color: var(--bg-color);
  padding: 2rem;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
}

/* Blog preview */
.blog-preview {
  padding: 4rem 0;
}

.blog-preview h2 {
  text-align: center;
  margin-bottom: 3rem;
}

.blog-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.blog-card {
  background-color: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--box-shadow);
  transition: var(--transition);
}

.blog-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.blog-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.blog-card h3 {
  padding: 1.5rem 1.5rem 0.5rem;
  font-size: 1.25rem;
}

.blog-card p {
  padding: 0 1.5rem 1rem;
  color: var(--text-light);
}

.blog-card .btn {
  margin: 0 1.5rem 1.5rem;
}

.blog-cta {
  text-align: center;
}

/* Testimonials */
.testimonials {
  padding: 4rem 0;
  background-color: var(--bg-light);
}

.testimonials h2 {
  text-align: center;
  margin-bottom: 3rem;
}

.testimonial-slider {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.testimonial {
  background-color: var(--bg-color);
  padding: 2rem;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  transition: var(--transition);
}

.testimonial:hover {
  transform: translateY(-5px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.testimonial-content {
  margin-bottom: 1.5rem;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
}

.testimonial-author img {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  margin-right: 1rem;
  object-fit: cover;
}

.testimonial-author h4 {
  margin: 0;
  font-size: 1rem;
}

.testimonial-author p {
  margin: 0;
  color: var(--text-light);
  font-size: 0.9rem;
}

/* Footer */
footer {
  background-color: var(--bg-dark);
  color: var(--text-color);
  padding: 3rem 0 1rem;
  transition: var(--transition);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-logo img {
  height: 60px;
  margin-bottom: 1rem;
}

.footer-links h3,
.footer-contact h3,
.footer-social h3 {
  font-size: 1.1rem;
  margin-bottom: 1rem;
}

.footer-links ul {
  list-style: none;
  padding: 0;
}

.footer-links ul li {
  margin-bottom: 0.5rem;
}

.footer-contact p,
.footer-links ul li a {
  color: var(--text-color);
  transition: var(--transition);
  display: flex;
  align-items: center;
}

.footer-contact p svg,
.footer-links ul li a svg {
  margin-right: 0.5rem;
}

.footer-links ul li a:hover {
  color: var(--primary-color);
}

.social-icons {
  display: flex;
  gap: 1rem;
}

.social-icons a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background-color: var(--bg-color);
  border-radius: 50%;
  color: var(--primary-color);
  transition: var(--transition);
}

.social-icons a:hover {
  background-color: var(--primary-color);
  color: white;
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
  font-size: 0.9rem;
}

/* Page header */
.page-header {
  background-color: var(--bg-light);
  padding: 3rem 0;
  text-align: center;
  transition: var(--transition);
}

.page-header h1 {
  margin-bottom: 0.5rem;
}

.page-header p {
  color: var(--text-light);
  font-size: 1.1rem;
}

/* Blog list */
.blog-list {
  padding: 4rem 0;
}

.blog-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.blog-item {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 2rem;
  background-color: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--box-shadow);
  transition: var(--transition);
}

.blog-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.blog-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.blog-content {
  padding: 2rem;
}

.blog-meta {
  display: flex;
  gap: 1rem;
  margin-bottom: 1rem;
  font-size: 0.9rem;
  color: var(--text-light);
}

.blog-item h2 {
  margin-bottom: 1rem;
  font-size: 1.5rem;
}

.blog-item p {
  margin-bottom: 1.5rem;
}

/* Blog post */
.blog-post {
  padding: 4rem 0;
}

.post-header {
  margin-bottom: 2rem;
  text-align: center;
}

.post-meta {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-top: 1rem;
  color: var(--text-light);
}

.post-image {
  margin-bottom: 2rem;
}

.post-image img {
  width: 100%;
  height: auto;
  border-radius: var(--border-radius);
}

.post-content {
  margin-bottom: 2rem;
}

.post-content h2 {
  margin-top: 2rem;
}

.post-content h3 {
  margin-top: 1.5rem;
}

.post-content ul,
.post-content ol {
  margin: 1rem 0 1.5rem 1.5rem;
}

.post-tags {
  margin-bottom: 2rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

.post-tags span {
  font-weight: bold;
}

.post-tags a {
  background-color: var(--bg-light);
  padding: 0.25rem 0.75rem;
  border-radius: var(--border-radius);
  font-size: 0.9rem;
  transition: var(--transition);
}

.post-tags a:hover {
  background-color: var(--primary-color);
  color: white;
}

.post-navigation {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  border-top: 1px solid var(--border-color);
  padding-top: 2rem;
}

.post-nav-prev,
.post-nav-next {
  transition: var(--transition);
}

.post-nav-next {
  text-align: right;
}

.nav-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: bold;
  margin-bottom: 0.5rem;
}

.post-nav-prev .nav-label {
  justify-content: flex-start;
}

.post-nav-next .nav-label {
  justify-content: flex-end;
}

.nav-title {
  color: var(--text-color);
  transition: var(--transition);
}

.post-nav-prev:hover .nav-title,
.post-nav-next:hover .nav-title {
  color: var(--primary-color);
}

/* Contact form */
.contact-section {
  padding: 4rem 0;
}

.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 2rem;
}

.contact-info {
  background-color: var(--bg-light);
  padding: 2rem;
  border-radius: var(--border-radius);
}

.contact-info h2 {
  margin-bottom: 2rem;
}

.info-item {
  display: flex;
  margin-bottom: 1.5rem;
}

.info-item .icon {
  margin-right: 1rem;
  color: var(--primary-color);
}

.info-item h3 {
  margin-bottom: 0.5rem;
  font-size: 1.1rem;
}

.info-item p {
  color: var(--text-light);
  margin: 0;
}

.info-item a {
  color: var(--text-light);
  transition: var(--transition);
}

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

.social-media {
  margin-top: 2rem;
}

.social-media h3 {
  margin-bottom: 1rem;
  font-size: 1.1rem;
}

.contact-form {
  background-color: var(--bg-color);
  padding: 2rem;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
}

.contact-form h2 {
  margin-bottom: 2rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  background-color: var(--bg-color);
  color: var(--text-color);
  transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--primary-color);
  outline: none;
}

.form-group.checkbox {
  display: flex;
  align-items: center;
}

.form-group.checkbox input {
  width: auto;
  margin-right: 0.5rem;
}

.btn-submit {
  width: 100%;
}

/* Map section */
.map-section {
  padding: 4rem 0;
  background-color: var(--bg-light);
}

.map-section h2 {
  text-align: center;
  margin-bottom: 2rem;
}

.map-container {
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--box-shadow);
}

/* About page */
.about-intro {
  padding: 4rem 0;
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: center;
}

.about-text h2 {
  margin-bottom: 1.5rem;
}

.about-image img {
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
}

.mission-vision {
  padding: 4rem 0;
  background-color: var(--bg-light);
}

.mission-vision-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.mission, .vision {
  background-color: var(--bg-color);
  padding: 2rem;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  text-align: center;
}

.mission .icon, .vision .icon {
  margin-bottom: 1.5rem;
  color: var(--primary-color);
}

.our-expertise {
  padding: 4rem 0;
}

.our-expertise h2 {
  text-align: center;
  margin-bottom: 2rem;
}

.expertise-list {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  list-style: none;
  padding: 0;
}

.expertise-list li {
  background-color: var(--bg-light);
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius);
  transition: var(--transition);
}

.expertise-list li:hover {
  background-color: var(--primary-color);
  color: white;
}

.team-section {
  padding: 4rem 0;
  background-color: var(--bg-light);
}

.team-section h2 {
  text-align: center;
  margin-bottom: 1rem;
}

.team-intro {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 3rem;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.team-member {
  background-color: var(--bg-color);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--box-shadow);
  transition: var(--transition);
}

.team-member:hover {
  transform: translateY(-5px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.member-image img {
  width: 100%;
  height: 250px;
  object-fit: cover;
}

.member-info {
  padding: 1.5rem;
}

.member-info h3 {
  margin-bottom: 0.25rem;
}

.member-info .position {
  color: var(--primary-color);
  font-weight: 600;
  margin-bottom: 1rem;
}

.member-info .bio {
  margin-bottom: 1rem;
}

.member-social {
  display: flex;
  gap: 0.75rem;
}

.member-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background-color: var(--bg-light);
  border-radius: 50%;
  color: var(--primary-color);
  transition: var(--transition);
}

.member-social a:hover {
  background-color: var(--primary-color);
  color: white;
}

.certifications {
  padding: 4rem 0;
}

.certifications h2 {
  text-align: center;
  margin-bottom: 3rem;
}

.cert-logos {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  text-align: center;
}

.cert-logo img {
  height: 100px;
  margin-bottom: 1rem;
  object-fit: contain;
}

.cert-logo p {
  font-weight: 600;
}

/* Cookie banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--bg-color);
  box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
  padding: 1rem;
  z-index: 1000;
  transition: var(--transition);
}

.cookie-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.cookie-content p {
  margin-bottom: 1rem;
}

.cookie-buttons {
  display: flex;
  gap: 1rem;
  margin-bottom: 1rem;
}

.cookie-buttons .accept {
  background-color: var(--success-color);
}

.cookie-buttons .customize {
  background-color: var(--primary-color);
}

.cookie-buttons .reject {
  background-color: var(--text-light);
}

/* Thank you popup */
.thank-you-popup {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 1100;
  justify-content: center;
  align-items: center;
}

.popup-content {
  background-color: var(--bg-color);
  padding: 2rem;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  position: relative;
  max-width: 500px;
  width: 90%;
  text-align: center;
}

.close-popup {
  position: absolute;
  top: 1rem;
  right: 1rem;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-light);
  transition: var(--transition);
}

.close-popup:hover {
  color: var(--primary-color);
}

/* Responsivní design */
@media (max-width: 1024px) {
  .about-content,
  .mission-vision-content {
    grid-template-columns: 1fr;
  }
  
  .about-image {
    order: -1;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 1.5rem;
  }
  
  header .container {
    flex-direction: column;
  }
  
  .logo {
    margin-bottom: 1rem;
  }
  
  nav ul {
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .hero h1 {
    font-size: 2.5rem;
  }
  
  .blog-item {
    grid-template-columns: 1fr;
  }
  
  .blog-image img {
    height: 250px;
  }
  
  .contact-wrapper {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 2rem;
  }
  
  .services-grid,
  .blog-cards,
  .testimonial-slider,
  .team-grid,
  .cert-logos {
    grid-template-columns: 1fr;
  }
  
  .post-navigation {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .post-nav-next {
    text-align: left;
  }
  
  .cookie-buttons {
    flex-direction: column;
  }
}