/* Reset */
* {
  margin: 0; padding: 0; box-sizing: border-box;
  
}
h2 {
  font-size: 2.5rem;                /* Veći, ali responsive */
  font-weight: 700;                 /* Bold */
  text-align: center;
  margin: 3rem 0 1.5rem;
  color: #ffffff;                  /* Bijeli tekst */
  text-shadow: 0 4px 12px rgba(0, 0, 0, 0.6); /* Duboka sjena */
  font-family: 'Segoe UI', Roboto, sans-serif;
  letter-spacing: 0.5px;
  position: relative;
}


body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(135deg, #f9fafb, #e3f2fd, #f3e5f5);
  background-attachment: fixed;
  color: #333;
  line-height: 1.6;
  background-size: 200% 200%;
  animation: gradientFlow 15s ease infinite;
}

@keyframes gradientFlow {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}



header {
  background: #0c003d;
  color: white;
  padding: 3rem 1rem;
  box-shadow: 0 8px 20px rgba(0,0,0,0.1);
}




.header-divider {
  height: 5px;
  background: linear-gradient(90deg, #ffcd00, #4f46e5, #ffcd00);
  background-size: 200% 100%;
  animation: glowMove 5s linear infinite;
  box-shadow: 0 0 12px rgba(79,70,229,0.6);
}

@keyframes glowMove {
  0% { background-position: 0 0; }
  100% { background-position: 200% 0; }
}


.header-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}
.text-section {
  flex: 1 1 400px;
}
.text-section h1 {
  font-size: 3rem;
  margin-bottom: 0.5rem;
}
.text-section p {
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  max-width: 500px;
}
.btn-download {
  display: inline-block;
  background: #ffcd00;
  color: #4f46e5;
  font-weight: 700;
  padding: 0.8rem 2rem;
  border-radius: 6px;
  text-decoration: none;
  box-shadow: 0 4px 8px rgba(255 255 255 / 0.4);
  transition: background-color 0.3s ease, color 0.3s ease;
  margin-right: 1rem;
}
.btn-download:hover {
  background: #3730a3;
  color: white;
}
.btn-trailer {
  background: transparent;
  border: 2px solid white;
  color: white;
  padding: 0.7rem 1.5rem;
  font-size: 1rem;
  border-radius: 6px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}
.btn-trailer:hover {
  background-color: rgba(255,255,255,0.2);
  color: yellow;
  
}
.video-thumbnail img {
  max-width: 560px;
  border-radius: 12px;
  box-shadow: 0 8px 20px rgba(0,0,0,0.3);
  cursor: pointer;
  display: block;
}

/* Modal styles */
.modal {
  display: none; /* Hidden by default */
  position: fixed; 
  z-index: 1000; 
  left: 0;
  top: 0;
  width: 100%; 
  height: 100%; 
  overflow: auto;
  background-color: rgba(0,0,0,0.8);
}
.modal-content {
  position: relative;
  margin: 10% auto;
  padding: 0;
  width: 90%;
  max-width: 600px;
  border-radius: 12px;
  background-color: #000;
}
.close-btn {
  color: white;
  position: absolute;
  top: 10px;
  right: 20px;
  font-size: 30px;
  font-weight: bold;
  cursor: pointer;
  z-index: 1010;
}
.modal-content iframe {
  width: 100%;
  height: 315px;
  border-radius: 12px;
}

/* Sections */
section {
  max-width: 900px;
  margin: 3rem auto;
  padding: 0 1rem;
}
section h2 {
  font-size: 2rem;
  margin-bottom: 1rem;
  text-align: center;
  color: #4f46e5;
}
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit,minmax(250px,1fr));
  gap: 1.5rem;
}
.feature-card {
  background: white;
  padding: 1.5rem;
  border-radius: 10px;
  box-shadow: 0 6px 15px rgb(0 0 0 / 0.05);
  text-align: center;
  transition: transform 0.3s ease;
}
.feature-card:hover {
  transform: translateY(-5px);
}
.feature-card h3 {
  margin-bottom: 0.75rem;
  color: #4338ca;
}
.screenshots {
  display: flex;
  overflow-x: auto;
  gap: 1rem;
  padding-bottom: 1rem;
}
.screenshots img {
  max-height: 400px;
  border-radius: 12px;
  box-shadow: 0 8px 20px rgb(0 0 0 / 0.1);
  flex-shrink: 0;
}
.reviews {
  background: #eef2ff;
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 0 10px rgb(79 70 229 / 0.15);
  max-width: 700px;
  margin: 0 auto;
}
.review {
  margin-bottom: 1.5rem;
  font-style: italic;
}
.app-description {
  padding: 3rem 1.5rem;
  max-width: 900px;
  margin: 0 auto;
  line-height: 1.7;
  color: #333;
  background-color: #fdfdfd;
  box-shadow: 2px 4px 8px #808080;
  border-radius: 12px; 
}

.app-description h2 {
  font-size: 2rem;
  margin-bottom: 1rem;
  text-align: center;
}

.app-description h3 {
  margin-top: 2rem;
  font-size: 1.4rem;
}

.app-description ul {
  margin-top: 1rem;
  padding-left: 1.5rem;
}

.app-description li {
  margin-bottom: 0.6rem;
}
.lightbox {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 999;
  flex-direction: column;
}

.lightbox.hidden {
  display: none;
}

#lightbox-image {
  max-width: 90%;
  max-height: 80%;
  margin: 1rem 0;
  border-radius: 8px;
}

.close-lightbox {
  color: #fff;
  font-size: 2rem;
  position: absolute;
  top: 20px;
  right: 30px;
  cursor: pointer;
}

.nav-buttons {
  display: flex;
  gap: 2rem;
}

.nav-buttons button {
  background: none;
  border: none;
  color: #fff;
  font-size: 3rem;
  cursor: pointer;
  user-select: none;
}

.screenshots img {
  cursor: pointer;
  transition: transform 0.2s;
}

.screenshots img:hover {
  transform: scale(1.05);
}
.language-support {
  text-align: center;
  padding: 3rem 1rem;
  background-color: #f9f9f9;
  border-top: 1px solid #e0e0e0;
  box-shadow: 2px 4px 8px #808080;
  border-radius: 12px; 
}

.language-support h2 {
  font-size: 2rem;
  margin-bottom: 1rem;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.2);
}

.language-support .flags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 1rem;
}

.language-support .flags img {
  border-radius: 4px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.15);
  transition: transform 0.2s ease;
}

.language-support .flags img:hover {
  transform: scale(1.1);
}
.flags-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding: 1rem 0;
  align-items: center;
  justify-content: center;
}

.language-list {
  margin-top: 1rem;
  font-size: 0.95rem;
  line-height: 1.6;
  color: #444;
  text-align: center;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}
#toTopBtn {
  position: fixed;
  bottom: 320px;
  right: 40px;
  z-index: 100;
  background-color: #007bff;
  color: white;
  border: none;
  padding: 12px 16px;
  border-radius: 50%;
  font-size: 24px;
  cursor: pointer;
  box-shadow: 0 4px 8px rgba(0,0,0,0.3);
  display: none; /* sakriven dok se ne skrola malo */
  transition: background-color 0.3s ease;
}

#toTopBtn:hover {
  background-color: #0056b3;
}


.btn-home {
  position: absolute;
  top: 490px; /* ili visina headera + malo razmaka */
  right: 65%;
  background: #222;
  color: #f0f0f0;
  padding: 10px 16px;
  border-radius: 50px;
  font-size: 14px;
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
  border: none;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  transition: background 0.25s ease, transform 0.15s ease;
  display: flex;
  align-items: center;
  gap: 8px;
  z-index: 9999;
}

.btn-home:hover {
  background: #444;
  transform: translateY(-2px);
}

.btn-home:active {
  transform: translateY(0);
}

.btn-home svg {
  width: 18px;
  height: 18px;
  fill: #f0f0f0;
}




footer {
  background: #0c003d;
  color: white;
  padding: 1.5rem 1rem;
  text-align: center;
  margin-top: 3rem;
}




footer a {
  color: #50e3c2;
  text-decoration: none;
  margin: 0 0.5rem;
}
footer a:hover {
  text-decoration: underline;
}

.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.8);
}

.modal-content {
  position: relative;
  margin: 5% auto;
  padding: 0;
  width: 90%;
  max-width: 800px;
  background-color: #000;
  border-radius: 10px;
  overflow: hidden;
}

#youtube-video {
  width: 100%;
  height: 450px;
  border: none;
}

.close-btn {
  position: absolute;
  top: 10px;
  right: 15px;
  color: #fff;
  font-size: 28px;
  font-weight: bold;
  cursor: pointer;
}

.video-thumbnail img {
  width: 100%;
  max-width: 480px;
  cursor: pointer;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.user-manual {
  background-color: #f9f9f9;
  padding: 40px 20px;
  margin-top: 40px;
  border-top: 2px solid #ddd;
  box-shadow: 2px 4px 8px #808080;
  border-radius: 12px; 
}

.user-manual h2 {
  font-size: 1.8rem;
  margin-bottom: 20px;
}

.user-manual ol {
  padding-left: 20px;
  line-height: 1.6;
}

.user-manual ol li {
  margin-bottom: 10px;
}

/* language button */
#language-btn {
  background: linear-gradient(270deg, #6a11cb, #2575fc, #6a11cb);
  background-size: 600% 600%;
  animation: gradientShift 8s ease infinite;
  color: white;
  margin-left: 20%;
  width: 100%;
  border: none;
  padding: 10px 20px;
  border-radius: 8px;
  cursor: pointer;
  transition: box-shadow 0.3s ease;
  position: relative;
  font-weight: 600;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.language-dropdown {
  position: relative;
  margin-left: 85%;
  display: inline-block; /* da se button i menu drže zajedno */
}


#language-btn:hover {
  box-shadow: 0 0 10px rgba(37, 117, 252, 0.7), 0 0 20px rgba(106, 17, 203, 0.7);
}

@keyframes gradientShift {
  0%{background-position:0% 50%;}
  50%{background-position:100% 50%;}
  100%{background-position:0% 50%;}
}
 
#language-menu {
  background: rgba(20, 20, 30, 0.75);
  backdrop-filter: blur(10px);
  border-radius: 12px;
  padding: 12px 20px;
  box-shadow:
    0 0 10px rgba(106, 17, 203, 0.8),
    0 0 20px rgba(37, 117, 252, 0.6);
  color: #e0e0ff;
  font-weight: 600;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  position: absolute;
  top: 110%; /* malo ispod buttona */
  left: 0;
  min-width: 160px;
  opacity: 0;
  transform: translateY(-10px) rotateX(15deg);
  pointer-events: none;
  transition: opacity 0.4s ease, transform 0.4s ease;
  z-index: 9999;
}

#language-menu[aria-hidden="false"],
#language-menu:not([hidden]) {
  opacity: 1;
  width: 120%;
  transform: translateY(0) rotateX(0);
  pointer-events: auto;
}

#language-menu li button {
  background: transparent;
  border: none;
  color: #c0c0ff;
  width: 100%;
  padding: 8px 10px;
  text-align: left;
  border-radius: 6px;
  cursor: pointer;
  transition: background-color 0.3s ease, color 0.3s ease, box-shadow 0.3s ease;
  font-weight: 600;
  font-family: inherit;
}

#language-menu li button:hover,
#language-menu li button:focus {
  background: rgba(106, 17, 203, 0.6);
  color: #fff;
  box-shadow:
    0 0 10px rgba(106, 17, 203, 0.9),
    0 0 20px rgba(37, 117, 252, 0.7);
  outline: none;
}

/* how to use part */
.how-to-use {
  background-color: #f9f9f9;
  padding: 2rem;
  border-radius: 12px; 
  box-shadow: 2px 4px 8px #808080;
  margin: 2rem auto;
  max-width: 800px;
}

.how-to-use h2 {
  font-size: 2rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 1.5rem;
  color: #4338ca;
}

.how-to-steps {
  list-style: decimal inside;
  padding-left: 1rem;
  font-size: 1.125rem;
  line-height: 1.75;
  color: #444;
  font-weight: bold;
  text-align: center;
}

.how-to-steps li {
  margin-bottom: 1rem;
}

.how-to-steps li strong {
  font-weight: 700;
  color: #000;
}

.how-to-footer {
  font-size: 1rem;
  margin-top: 1rem;
  font-weight: 600;
  text-align: center;
  color: #d9534f; /* Warning red */
}

/* kontakt forma */
#contact-form {
  max-width: 500px;
  margin: auto;
  padding: 1.5rem;
  background: #f9f9f9;
  border-radius: 10px;
  box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

#contact-form input,
#contact-form textarea,
#contact-form button {
  width: 100%;
  padding: 12px;
  margin-bottom: 15px;
  border: 1px solid #ccc;
  border-radius: 6px;
  font-family: inherit;
  font-size: 16px;
}

#contact-form button {
  background-color: #1162cb;
  color: white;
  border: none;
  cursor: pointer;
  transition: background 0.3s ease;
}

#contact-form button:hover {
  background-color: rgba(37, 117, 252, 0.7);
}

#contact-form {
  box-shadow: 2px 4px 8px #808080;
}

.contactUs {
  color: #007BFF; /* plava boja za naglasak, možeš promijeniti */
  font-size: 1.1em; /* veličina teksta */
  text-align: center; /* centriranje */
  margin: 20px 0; /* razmak gore-dole */
}




@media (max-width: 760px) {
   h2 {
    font-size: 1.8rem; /* Manje za mobilne */
  }

  .header-content {
    flex-direction: column;
    text-align: center;
  }
  .text-section, .video-thumbnail {
    max-width: 100%;
  }
  .text-section h1 {
    font-size: 2.5rem;
  }
  .text-section p {
    font-size: 1.2rem;
    max-width: 100%;
  }
  .video-thumbnail img {
    max-width: 100%;
  }

  /* language button */
#language-btn {
  background: linear-gradient(270deg, #6a11cb, #2575fc, #6a11cb);
  background-size: 600% 600%;
  animation: gradientShift 8s ease infinite;
  color: white;
  margin-left: 20%;
  width: 100%;
  border: none;
  padding: 10px 20px;
  border-radius: 8px;
  cursor: pointer;
  transition: box-shadow 0.3s ease;
  position: relative;
  font-weight: 600;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.language-dropdown {
  position: relative;
  margin-left: 85%;
  display: inline-block; /* da se button i menu drže zajedno */
}


#language-btn:hover {
  box-shadow: 0 0 10px rgba(37, 117, 252, 0.7), 0 0 20px rgba(106, 17, 203, 0.7);
}

@keyframes gradientShift {
  0%{background-position:0% 50%;}
  50%{background-position:100% 50%;}
  100%{background-position:0% 50%;}
}
 
#language-menu {
  background: rgba(20, 20, 30, 0.75);
  backdrop-filter: blur(10px);
  border-radius: 12px;
  padding: 12px 20px;
  box-shadow:
    0 0 10px rgba(106, 17, 203, 0.8),
    0 0 20px rgba(37, 117, 252, 0.6);
  color: #e0e0ff;
  font-weight: 600;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  position: absolute;
  top: 110%; /* malo ispod buttona */
  left: 0;
  min-width: 160px;
  opacity: 0;
  transform: translateY(-10px) rotateX(15deg);
  pointer-events: none;
  transition: opacity 0.4s ease, transform 0.4s ease;
  z-index: 9999;
}

#language-menu[aria-hidden="false"],
#language-menu:not([hidden]) {
  opacity: 1;
  width: 120%;
  transform: translateY(0) rotateX(0);
  pointer-events: auto;
}

#language-menu li button {
  background: transparent;
  border: none;
  color: #c0c0ff;
  width: 100%;
  padding: 8px 10px;
  text-align: left;
  border-radius: 6px;
  cursor: pointer;
  transition: background-color 0.3s ease, color 0.3s ease, box-shadow 0.3s ease;
  font-weight: 600;
  font-family: inherit;
}

#language-menu li button:hover,
#language-menu li button:focus {
  background: rgba(106, 17, 203, 0.6);
  color: #fff;
  box-shadow:
    0 0 10px rgba(106, 17, 203, 0.9),
    0 0 20px rgba(37, 117, 252, 0.7);
  outline: none;
}

/* how to use part */
.how-to-use {
  background-color: #f9f9f9;
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
  margin: 2rem auto;
  max-width: 800px;
}

.how-to-use h2 {
  font-size: 2rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 1.5rem;
  color: #4338ca;
}

.how-to-steps {
  list-style: decimal inside;
  padding-left: 1rem;
  font-size: 1.125rem;
  line-height: 1.75;
  color: #444;
}

.how-to-steps li {
  margin-bottom: 1rem;
}

.how-to-steps li strong {
  font-weight: 700;
  color: #000;
}

.how-to-footer {
  font-size: 1rem;
  margin-top: 1rem;
  font-weight: 600;
  text-align: center;
  color: #d9534f; /* Warning red */
}

/* kontakt forma */
#contact-form {
  max-width: 500px;
  margin: auto;
  padding: 1.5rem;
  background: #f9f9f9;
  border-radius: 10px;
  box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

#contact-form input,
#contact-form textarea,
#contact-form button {
  width: 100%;
  padding: 12px;
  margin-bottom: 15px;
  border: 1px solid #ccc;
  border-radius: 6px;
  font-family: inherit;
  font-size: 16px;
}

#contact-form button {
  background-color: #4CAF50;
  color: white;
  border: none;
  cursor: pointer;
  transition: background 0.3s ease;
}

#contact-form button:hover {
  background-color: #45a049;
}

}


/* Responsive */
@media (max-width: 800px) {

    h2 {
    font-size: 1.8rem; /* Manje za mobilne */
  }

  .header-content {
    flex-direction: column;
    text-align: center;
  }
  .text-section, .video-thumbnail {
    max-width: 100%;
  }
  .text-section h1 {
    font-size: 2.5rem;
  }
  .text-section p {
    font-size: 1.2rem;
    max-width: 100%;
  }
  .video-thumbnail img {
    max-width: 100%;
  }

  /* language button */
#language-btn {
  background: linear-gradient(270deg, #6a11cb, #2575fc, #6a11cb);
  background-size: 600% 600%;
  animation: gradientShift 8s ease infinite;
  color: white;
  margin-left: 20%;
  width: 100%;
  border: none;
  padding: 10px 20px;
  border-radius: 8px;
  cursor: pointer;
  transition: box-shadow 0.3s ease;
  position: relative;
  font-weight: 600;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.language-dropdown {
  position: relative;
  margin-left: 85%;
  display: inline-block; /* da se button i menu drže zajedno */
}


#language-btn:hover {
  box-shadow: 0 0 10px rgba(37, 117, 252, 0.7), 0 0 20px rgba(106, 17, 203, 0.7);
}

@keyframes gradientShift {
  0%{background-position:0% 50%;}
  50%{background-position:100% 50%;}
  100%{background-position:0% 50%;}
}
 
#language-menu {
  background: rgba(20, 20, 30, 0.75);
  backdrop-filter: blur(10px);
  border-radius: 12px;
  padding: 12px 20px;
  box-shadow:
    0 0 10px rgba(106, 17, 203, 0.8),
    0 0 20px rgba(37, 117, 252, 0.6);
  color: #e0e0ff;
  font-weight: 600;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  position: absolute;
  top: 110%; /* malo ispod buttona */
  left: 0;
  min-width: 160px;
  opacity: 0;
  transform: translateY(-10px) rotateX(15deg);
  pointer-events: none;
  transition: opacity 0.4s ease, transform 0.4s ease;
  z-index: 9999;
}

#language-menu[aria-hidden="false"],
#language-menu:not([hidden]) {
  opacity: 1;
  width: 120%;
  transform: translateY(0) rotateX(0);
  pointer-events: auto;
}

#language-menu li button {
  background: transparent;
  border: none;
  color: #c0c0ff;
  width: 100%;
  padding: 8px 10px;
  text-align: left;
  border-radius: 6px;
  cursor: pointer;
  transition: background-color 0.3s ease, color 0.3s ease, box-shadow 0.3s ease;
  font-weight: 600;
  font-family: inherit;
}

#language-menu li button:hover,
#language-menu li button:focus {
  background: rgba(106, 17, 203, 0.6);
  color: #fff;
  box-shadow:
    0 0 10px rgba(106, 17, 203, 0.9),
    0 0 20px rgba(37, 117, 252, 0.7);
  outline: none;
}

/* how to use part */
.how-to-use {
  background-color: #f9f9f9;
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
  margin: 2rem auto;
  max-width: 800px;
}

.how-to-use h2 {
  font-size: 2rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 1.5rem;
  color: #4338ca;
}

.how-to-steps {
  list-style: decimal inside;
  padding-left: 1rem;
  font-size: 1.125rem;
  line-height: 1.75;
  color: #444;
}

.how-to-steps li {
  margin-bottom: 1rem;
}

.how-to-steps li strong {
  font-weight: 700;
  color: #000;
}

.how-to-footer {
  font-size: 1rem;
  margin-top: 1rem;
  font-weight: 600;
  text-align: center;
  color: #d9534f; /* Warning red */
}

/* kontakt forma */
#contact-form {
  max-width: 500px;
  margin: auto;
  padding: 1.5rem;
  background: #f9f9f9;
  border-radius: 10px;
  box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

#contact-form input,
#contact-form textarea,
#contact-form button {
  width: 100%;
  padding: 12px;
  margin-bottom: 15px;
  border: 1px solid #ccc;
  border-radius: 6px;
  font-family: inherit;
  font-size: 16px;
}

#contact-form button {
  background-color: #4CAF50;
  color: white;
  border: none;
  cursor: pointer;
  transition: background 0.3s ease;
}

#contact-form button:hover {
  background-color: #45a049;
}

}

@media (max-width: 600px) {
  h2 {
    font-size: 1.8rem; /* Manje za mobilne */
  }

  /* language button */
#language-btn {
  background: linear-gradient(270deg, #6a11cb, #2575fc, #6a11cb);
  background-size: 600% 600%;
  animation: gradientShift 8s ease infinite;
  color: white;
  margin-left: 20%;
  width: 100%;
  border: none;
  padding: 10px 20px;
  border-radius: 8px;
  cursor: pointer;
  transition: box-shadow 0.3s ease;
  position: relative;
  font-weight: 600;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.language-dropdown {
  position: relative;
  margin-left: 85%;
  display: inline-block; /* da se button i menu drže zajedno */
}


#language-btn:hover {
  box-shadow: 0 0 10px rgba(37, 117, 252, 0.7), 0 0 20px rgba(106, 17, 203, 0.7);
}

@keyframes gradientShift {
  0%{background-position:0% 50%;}
  50%{background-position:100% 50%;}
  100%{background-position:0% 50%;}
}
 
#language-menu {
  background: rgba(20, 20, 30, 0.75);
  backdrop-filter: blur(10px);
  border-radius: 12px;
  padding: 12px 20px;
  box-shadow:
    0 0 10px rgba(106, 17, 203, 0.8),
    0 0 20px rgba(37, 117, 252, 0.6);
  color: #e0e0ff;
  font-weight: 600;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  position: absolute;
  top: 110%; /* malo ispod buttona */
  left: 0;
  min-width: 160px;
  opacity: 0;
  transform: translateY(-10px) rotateX(15deg);
  pointer-events: none;
  transition: opacity 0.4s ease, transform 0.4s ease;
  z-index: 9999;
}

#language-menu[aria-hidden="false"],
#language-menu:not([hidden]) {
  opacity: 1;
  width: 120%;
  transform: translateY(0) rotateX(0);
  pointer-events: auto;
}

#language-menu li button {
  background: transparent;
  border: none;
  color: #c0c0ff;
  width: 100%;
  padding: 8px 10px;
  text-align: left;
  border-radius: 6px;
  cursor: pointer;
  transition: background-color 0.3s ease, color 0.3s ease, box-shadow 0.3s ease;
  font-weight: 600;
  font-family: inherit;
}

#language-menu li button:hover,
#language-menu li button:focus {
  background: rgba(106, 17, 203, 0.6);
  color: #fff;
  box-shadow:
    0 0 10px rgba(106, 17, 203, 0.9),
    0 0 20px rgba(37, 117, 252, 0.7);
  outline: none;
}

/* how to use part */
.how-to-use {
  background-color: #f9f9f9;
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
  margin: 2rem auto;
  max-width: 800px;
}

.how-to-use h2 {
  font-size: 2rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 1.5rem;
  color: #4338ca;
}

.how-to-steps {
  list-style: decimal inside;
  padding-left: 1rem;
  font-size: 1.125rem;
  line-height: 1.75;
  color: #444;
}

.how-to-steps li {
  margin-bottom: 1rem;
}

.how-to-steps li strong {
  font-weight: 700;
  color: #000;
}

.how-to-footer {
  font-size: 1rem;
  margin-top: 1rem;
  font-weight: 600;
  text-align: center;
  color: #d9534f; /* Warning red */
}

/* kontakt forma */
#contact-form {
  max-width: 500px;
  margin: auto;
  padding: 1.5rem;
  background: #f9f9f9;
  border-radius: 10px;
  box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

#contact-form input,
#contact-form textarea,
#contact-form button {
  width: 100%;
  padding: 12px;
  margin-bottom: 15px;
  border: 1px solid #ccc;
  border-radius: 6px;
  font-family: inherit;
  font-size: 16px;
}

#contact-form button {
  background-color: #4CAF50;
  color: white;
  border: none;
  cursor: pointer;
  transition: background 0.3s ease;
}

#contact-form button:hover {
  background-color: #45a049;
}

}

@media (max-width: 480px) {
  h2 {
    font-size: 1.4rem;  /* Još manji naslovi za male ekrane */
  }

  .header-content {
    flex-direction: column;
    text-align: center;
    padding: 0 1rem;
  }

  .text-section, .video-thumbnail {
    max-width: 100%;
  }

  .text-section h1 {
    font-size: 1.8rem;
  }

  .text-section p {
    font-size: 1rem;
    max-width: 100%;
  }

  .btn-download, .btn-trailer {
    padding: 0.6rem 1.2rem;
    font-size: 0.9rem;
    margin: 0.5rem 0;
    width: 100%;
    box-sizing: border-box;
  }

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

  .features {
    grid-template-columns: 1fr; /* Stavi kartice u jedan stupac */
  }


  footer {
    font-size: 0.9rem;
    padding: 1rem;
  }

  .user-manual {
  background-color: #f9f9f9;
  padding: 40px 20px;
  margin-top: 40px;
  border-top: 2px solid #ddd;
}

.user-manual h2 {
  font-size: 1.8rem;
  margin-bottom: 20px;
}

.user-manual ol {
  padding-left: 20px;
  line-height: 1.6;
}

.user-manual ol li {
  margin-bottom: 10px;
}

/* language button */
#language-btn {
  background: linear-gradient(270deg, #6a11cb, #2575fc, #6a11cb);
  background-size: 600% 600%;
  animation: gradientShift 8s ease infinite;
  color: white;
  margin-left: 20%;
  width: 100%;
  border: none;
  padding: 10px 20px;
  border-radius: 8px;
  cursor: pointer;
  transition: box-shadow 0.3s ease;
  position: relative;
  font-weight: 600;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.language-dropdown {
  position: relative;
  margin-left: 85%;
  display: inline-block; /* da se button i menu drže zajedno */
}


#language-btn:hover {
  box-shadow: 0 0 10px rgba(37, 117, 252, 0.7), 0 0 20px rgba(106, 17, 203, 0.7);
}

@keyframes gradientShift {
  0%{background-position:0% 50%;}
  50%{background-position:100% 50%;}
  100%{background-position:0% 50%;}
}
 
#language-menu {
  background: rgba(20, 20, 30, 0.75);
  backdrop-filter: blur(10px);
  border-radius: 12px;
  padding: 12px 20px;
  box-shadow:
    0 0 10px rgba(106, 17, 203, 0.8),
    0 0 20px rgba(37, 117, 252, 0.6);
  color: #e0e0ff;
  font-weight: 600;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  position: absolute;
  top: 110%; /* malo ispod buttona */
  left: 0;
  min-width: 160px;
  opacity: 0;
  transform: translateY(-10px) rotateX(15deg);
  pointer-events: none;
  transition: opacity 0.4s ease, transform 0.4s ease;
  z-index: 9999;
}

#language-menu[aria-hidden="false"],
#language-menu:not([hidden]) {
  opacity: 1;
  width: 120%;
  transform: translateY(0) rotateX(0);
  pointer-events: auto;
}

#language-menu li button {
  background: transparent;
  border: none;
  color: #c0c0ff;
  width: 100%;
  padding: 8px 10px;
  text-align: left;
  border-radius: 6px;
  cursor: pointer;
  transition: background-color 0.3s ease, color 0.3s ease, box-shadow 0.3s ease;
  font-weight: 600;
  font-family: inherit;
}

#language-menu li button:hover,
#language-menu li button:focus {
  background: rgba(106, 17, 203, 0.6);
  color: #fff;
  box-shadow:
    0 0 10px rgba(106, 17, 203, 0.9),
    0 0 20px rgba(37, 117, 252, 0.7);
  outline: none;
}

/* how to use part */
.how-to-use {
  background-color: #f9f9f9;
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
  margin: 2rem auto;
  max-width: 800px;
}

.how-to-use h2 {
  font-size: 2rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 1.5rem;
  color: #4338ca;
}

.how-to-steps {
  list-style: decimal inside;
  padding-left: 1rem;
  font-size: 1.125rem;
  line-height: 1.75;
  color: #444;
}

.how-to-steps li {
  margin-bottom: 1rem;
}

.how-to-steps li strong {
  font-weight: 700;
  color: #000;
}

.how-to-footer {
  font-size: 1rem;
  margin-top: 1rem;
  font-weight: 600;
  text-align: center;
  color: #d9534f; /* Warning red */
}

/* kontakt forma */
#contact-form {
  max-width: 500px;
  margin: auto;
  padding: 1.5rem;
  background: #f9f9f9;
  border-radius: 10px;
  box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

#contact-form input,
#contact-form textarea,
#contact-form button {
  width: 100%;
  padding: 12px;
  margin-bottom: 15px;
  border: 1px solid #ccc;
  border-radius: 6px;
  font-family: inherit;
  font-size: 16px;
}

#contact-form button {
  background-color: #4CAF50;
  color: white;
  border: none;
  cursor: pointer;
  transition: background 0.3s ease;
}

#contact-form button:hover {
  background-color: #45a049;
}

}


@media (max-width: 412px) {
  h2 {
    font-size: 1.4rem;  /* Još manji naslovi za male ekrane */
  }

  .header-content {
    flex-direction: column;
    text-align: center;
    padding: 0 1rem;
  }

  #invoicer-x-logo2 {
    margin-top: -150px; /* Pomakni logo prema gore */
    max-width: 70%;    /* Po želji smanji veličinu loga za male ekrane */
    height: auto;

  }

  .text-section, .video-thumbnail {
    max-width: 100%;
  }

  .text-section h1 {
    font-size: 1.8rem;
  }

  .text-section p {
    font-size: 1rem;
    max-width: 100%;
  }

  .btn-download, .btn-trailer {
    padding: 0.6rem 1.2rem;
    font-size: 0.9rem;
    margin: 0.5rem 0;
    width: 100%;
    box-sizing: border-box;
  }

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

  .features {
    grid-template-columns: 1fr; /* Stavi kartice u jedan stupac */
  }


  footer {
    font-size: 0.9rem;
    padding: 1rem;
  }

  .user-manual {
  background-color: #f9f9f9;
  padding: 40px 20px;
  margin-top: 40px;
  border-top: 2px solid #ddd;
}

.user-manual h2 {
  font-size: 1.8rem;
  margin-bottom: 20px;
}

.user-manual ol {
  padding-left: 20px;
  line-height: 1.6;
}

.user-manual ol li {
  margin-bottom: 10px;
}

/* language button */
#language-btn {
  background: linear-gradient(270deg, #6a11cb, #2575fc, #6a11cb);
  background-size: 600% 600%;
  animation: gradientShift 8s ease infinite;
  color: white;
  margin-left: 20%;
  width: 100%;
  border: none;
  padding: 10px 20px;
  border-radius: 8px;
  cursor: pointer;
  transition: box-shadow 0.3s ease;
  position: relative;
  font-weight: 600;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.language-dropdown {
  position: relative;
  margin-left: 85%;
  display: inline-block; /* da se button i menu drže zajedno */
}


#language-btn:hover {
  box-shadow: 0 0 10px rgba(37, 117, 252, 0.7), 0 0 20px rgba(106, 17, 203, 0.7);
}

@keyframes gradientShift {
  0%{background-position:0% 50%;}
  50%{background-position:100% 50%;}
  100%{background-position:0% 50%;}
}
 
#language-menu {
  background: rgba(20, 20, 30, 0.75);
  backdrop-filter: blur(10px);
  border-radius: 12px;
  padding: 12px 20px;
  box-shadow:
    0 0 10px rgba(106, 17, 203, 0.8),
    0 0 20px rgba(37, 117, 252, 0.6);
  color: #e0e0ff;
  font-weight: 600;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  position: absolute;
  top: 110%; /* malo ispod buttona */
  left: 0;
  min-width: 160px;
  opacity: 0;
  transform: translateY(-10px) rotateX(15deg);
  pointer-events: none;
  transition: opacity 0.4s ease, transform 0.4s ease;
  z-index: 9999;
}

#language-menu[aria-hidden="false"],
#language-menu:not([hidden]) {
  opacity: 1;
  width: 120%;
  transform: translateY(0) rotateX(0);
  pointer-events: auto;
}

#language-menu li button {
  background: transparent;
  border: none;
  color: #c0c0ff;
  width: 100%;
  padding: 8px 10px;
  text-align: left;
  border-radius: 6px;
  cursor: pointer;
  transition: background-color 0.3s ease, color 0.3s ease, box-shadow 0.3s ease;
  font-weight: 600;
  font-family: inherit;
}

#language-menu li button:hover,
#language-menu li button:focus {
  background: rgba(106, 17, 203, 0.6);
  color: #fff;
  box-shadow:
    0 0 10px rgba(106, 17, 203, 0.9),
    0 0 20px rgba(37, 117, 252, 0.7);
  outline: none;
}

/* how to use part */
.how-to-use {
  background-color: #f9f9f9;
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
  margin: 2rem auto;
  max-width: 800px;
}

.how-to-use h2 {
  font-size: 2rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 1.5rem;
  color: #4338ca;
}

.how-to-steps {
  list-style: decimal inside;
  padding-left: 1rem;
  font-size: 1.125rem;
  line-height: 1.75;
  color: #444;
}

.how-to-steps li {
  margin-bottom: 1rem;
}

.how-to-steps li strong {
  font-weight: 700;
  color: #000;
}

.how-to-footer {
  font-size: 1rem;
  margin-top: 1rem;
  font-weight: 600;
  text-align: center;
  color: #d9534f; /* Warning red */
}

/* kontakt forma */
#contact-form {
  max-width: 500px;
  margin: auto;
  padding: 1.5rem;
  background: #f9f9f9;
  border-radius: 10px;
  box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

#contact-form input,
#contact-form textarea,
#contact-form button {
  width: 100%;
  padding: 12px;
  margin-bottom: 15px;
  border: 1px solid #ccc;
  border-radius: 6px;
  font-family: inherit;
  font-size: 16px;
}

#contact-form button {
  background-color: #4CAF50;
  color: white;
  border: none;
  cursor: pointer;
  transition: background 0.3s ease;
}

#contact-form button:hover {
  background-color: #45a049;
}

}

@media (max-width: 896px) {
   h2 {
    font-size: 1.4rem;  /* Još manji naslovi za male ekrane */
  }

  .header-content {
    flex-direction: column;
    text-align: center;
    padding: 0 1rem;
  }

  #invoicer-x-logo2 {
    margin-top: -70px; /* Pomakni logo prema gore */
    max-width: 70%;    /* Po želji smanji veličinu loga za male ekrane */
    height: auto;

  }

  .text-section, .video-thumbnail {
    max-width: 100%;
  }

  .text-section h1 {
    font-size: 1.8rem;
  }

  .text-section p {
    font-size: 1rem;
    max-width: 100%;
  }

  .btn-download, .btn-trailer {
    padding: 0.6rem 1.2rem;
    font-size: 0.9rem;
    margin: 0.5rem 0;
    width: 100%;
    box-sizing: border-box;
    
  }

  

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

  .features {
    grid-template-columns: 1fr; /* Stavi kartice u jedan stupac */
  }


  footer {
    font-size: 0.9rem;
    padding: 1rem;
  }

  .user-manual {
  background-color: #f9f9f9;
  padding: 40px 20px;
  margin-top: 40px;
  border-top: 2px solid #ddd;
}

.user-manual h2 {
  font-size: 1.8rem;
  margin-bottom: 20px;
}

.user-manual ol {
  padding-left: 20px;
  line-height: 1.6;
}

.user-manual ol li {
  margin-bottom: 10px;
}

/* language button */
#language-btn {
  position: relative;
  background: linear-gradient(270deg, #6a11cb, #2575fc, #6a11cb);
  background-size: 600% 600%;
  animation: gradientShift 8s ease infinite;
  color: white;
  margin-left: 7%;
  width: 100%;
  border: none;
  padding: 10px 20px;
  border-radius: 8px;
  cursor: pointer;
  transition: box-shadow 0.3s ease;
  position: relative;
  font-weight: 600;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.language-dropdown {
  position: relative;
  margin-left: 34%;
  display: inline-block; /* da se button i menu drže zajedno */
}


#language-btn:hover {
  box-shadow: 0 0 10px rgba(37, 117, 252, 0.7), 0 0 20px rgba(106, 17, 203, 0.7);
}

@keyframes gradientShift {
  0%{background-position:0% 50%;}
  50%{background-position:100% 50%;}
  100%{background-position:0% 50%;}
}
 
#language-menu {
  background: rgba(20, 20, 30, 0.75);
  backdrop-filter: blur(10px);
  border-radius: 12px;
  padding: 12px 20px;
  box-shadow:
    0 0 10px rgba(106, 17, 203, 0.8),
    0 0 20px rgba(37, 117, 252, 0.6);
  color: #e0e0ff;
  font-weight: 600;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  position: absolute;
  top: 110%; /* malo ispod buttona */
  left: 0;
  min-width: 160px;
  opacity: 0;
  transform: translateY(-10px) rotateX(15deg);
  pointer-events: none;
  transition: opacity 0.4s ease, transform 0.4s ease;
  z-index: 9999;
}

#language-menu[aria-hidden="false"],
#language-menu:not([hidden]) {
  opacity: 1;
  width: 120%;
  transform: translateY(0) rotateX(0);
  pointer-events: auto;
}

#language-menu li button {
  background: transparent;
  border: none;
  color: #c0c0ff;
  width: 100%;
  padding: 8px 10px;
  text-align: left;
  border-radius: 6px;
  cursor: pointer;
  transition: background-color 0.3s ease, color 0.3s ease, box-shadow 0.3s ease;
  font-weight: 600;
  font-family: inherit;
}

#language-menu li button:hover,
#language-menu li button:focus {
  background: rgba(106, 17, 203, 0.6);
  color: #fff;
  box-shadow:
    0 0 10px rgba(106, 17, 203, 0.9),
    0 0 20px rgba(37, 117, 252, 0.7);
  outline: none;
}

/* how to use part */
.how-to-use {
  background-color: #f9f9f9;
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
  margin: 2rem auto;
  max-width: 800px;
}

.how-to-use h2 {
  font-size: 2rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 1.5rem;
  color: #4338ca;
}

.how-to-steps {
  list-style: decimal inside;
  padding-left: 1rem;
  font-size: 1.125rem;
  line-height: 1.75;
  color: #444;
}

.how-to-steps li {
  margin-bottom: 1rem;
}

.how-to-steps li strong {
  font-weight: 700;
  color: #000;
}

.how-to-footer {
  font-size: 1rem;
  margin-top: 1rem;
  font-weight: 600;
  text-align: center;
  color: #d9534f; /* Warning red */
}

/* kontakt forma */
#contact-form {
  max-width: 500px;
  margin: auto;
  padding: 1.5rem;
  background: #f9f9f9;
  border-radius: 10px;
  box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

#contact-form input,
#contact-form textarea,
#contact-form button {
  width: 100%;
  padding: 12px;
  margin-bottom: 15px;
  border: 1px solid #ccc;
  border-radius: 6px;
  font-family: inherit;
  font-size: 16px;
}

#contact-form button {
  background-color: #4CAF50;
  color: white;
  border: none;
  cursor: pointer;
  transition: background 0.3s ease;
}

#contact-form button:hover {
  background-color: #45a049;
}


}