:root {
  --tekst-orange: #ff751f;
  --tekst-white: #fff;
  --background-orange: #ff751f;
  --background-grey: rgba(0, 0, 0, 0.157);
  --black-text: black;
}

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

body {
  background-color: #3e3b3b;
  font-family: "Cardo", serif;
}

.main-navigation {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-left: 15px;
  margin-right: 15px;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background-color: #3e3b3b;
}
.main-navigation nav ul a {
  color: var(--tekst-orange);
  list-style: none;
  text-decoration: none;
  border: 1px solid #00000028;
  padding: 10px 30px;
  background-color: #00000028;
  border-radius: 40px;
}

.main-navigation nav ul a:hover {
  background-color: var(--background-orange);
  color: var(--tekst-white);
  transition: 0.4s;
}

ul {
  display: flex;
  gap: 30px;
  margin-left: -100px;
}
.hamburger {
  display: none;
  font-size: 30px;
  cursor: pointer;
}

.main-navigation .secondary-cta-btn a {
  color: var(--tekst-white);
  text-decoration: none;
  border: 1px solid #ff751f;
  background-color: var(--background-orange);
  border-radius: 30px;
  padding: 10px 40px;
}

.main-navigation .secondary-cta-btn a:hover {
  background-color: #00000028;
  color: var(--tekst-orange);
  box-shadow: 1px 1px 6px 1px #000000;
}

img {
  max-width: 194px;
}

.naslov h1 {
  margin-top: 30px;
  color: var(--tekst-white);
  text-align: center;
}

.container {
  max-width: 1200px;
  width: 100%;
  margin: 30px auto;
}

.lesson {
  background: white;
  border-radius: 8px;
  overflow: hidden;
}

.lesson-header {
  padding: 15px;
  background: var(--background-orange);
  color: white;
  font-weight: bold;
}

.lesson-content {
  display: none;
  padding: 15px;
}

h3,
.lesson p {
  margin-bottom: 10px;
  color: var(--black-text);
}

.lesson-content video {
  width: 100%;
  margin-top: 10px;
}

.download {
  margin-top: 10px;
}

.opis {
  background-color: var(--background-grey);
  padding: 20px;
  border: 1px solid #3c3b3b97;
  border-radius: 10px;
  margin-bottom: 10px;
}

.opis p {
  color: var(--tekst-white);
}

.opis h3 {
  color: var(--tekst-white);
}

.opis .download a {
  color: aqua;
  text-decoration: none;
}

bold {
  color: var(--tekst-orange);
}

.page-section {
  background-color: #3e3b3b;
  padding: 100px 0px;
}

.page-section p {
  color: white;
}

.page-section h1 {
  color: white;
  text-align: center;
  margin-bottom: 10px;
}

.page-section h3 {
  color: white;
  margin-top: 40px;
}

.page-section form {
  background-color: var(--background-grey);
  padding: 40px;
  border-radius: 10px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  align-items: stretch;
}

.page-section form input[type="text"],
.page-section form input[type="email"],
.page-section form input[type="password"] {
  min-height: 50px;
  background-color: rgba(255, 255, 255, 0.2) !important;
  border: 1px solid rgba(255, 255, 255, 0.5);
  color: black;
  font-size: 17px;
  color: white;
  padding: 0px 15px;
  width: 100%;
  border-radius: 40px;
}

.page-section form label {
  color: white;
}

.page-section form input::placeholder {
  color: white;
}

.page-section form button {
  color: var(--tekst-orange);
  list-style: none;
  text-decoration: none;
  border: 1px solid var(--background-orange);
  padding: 10px 50px;
  background-color: #00000028;
  border-radius: 40px;
}

.page-section form button:hover {
  background-color: var(--background-orange);
  color: var(--tekst-white);
  transition: 0.4s;
}

.videos-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  margin: 0 10px 0 10px;
  text-align: center;
}

.videos-grid p {
  color: white;
}

.checkbox-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

nav ul li {
  list-style: none;
}

.custom-video-wrapper {
  position: relative;
  width: 100%;
  max-width: 900px;
  height: 100%;
   margin: 0 10px 0 10px;
}

.custom-video-wrapper video {
  display: block;
  width: 100%;
  height: 100%;
}

.video-blocker {
  position: absolute;
  inset: 0;
  z-index: 2;
  background: transparent;
}

.video-controls {
  margin-top: 15px;
}

.video-controls button {
  padding: 12px 24px;
  cursor: pointer;
}

.video-blocker {
  display: none;
}

@media  (max-width: 1336px) {
  :first-child.lesson {
    margin-top: 50px;
  }

  .lesson {
    margin-left: 10px;
    margin-right: 10px;
  }
  .opis {
    margin-left: 10px;
    margin-right: 10px;
  }

  .page-section form {
    margin: 0 10px 0 10px;
  }
}

@media (max-width: 991px) {
  .container {
    max-width: 1000px;
  }

  .checkbox-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16PX;
  }
}

@media (max-width: 767px) {
  .container {
    max-width: 845px;
  }
}

@media (max-width: 601px) {
  .container {
    max-width: 680px;
    width: 100%;
  }

  .lesson-header {
    font-size: 13px;
  }

  .opis h3 {
    font-size: 15px;
  }

  .checkbox-grid {
    grid-template-columns: repeat(1, 1fr);
  }

  .videos-grid {
    grid-template-columns: repeat(1, 1fr);
  }

  .page-section h3 {
    font-size: 18px;
  }

  .page-section h1 {
    font-size: 25px;
  }
}