/* Full-Stack Web Development Mastery Page */
#full-stack-mastery .hero {
  background: linear-gradient(rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.3)),
    url(../images/webdev.jpeg);
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center;
  height: 60vh;
  color: #f8f8f8;
  padding-top: 8%;
  text-align: center;
}

.grid-lines.global {
  display: flex;
  mix-blend-mode: soft-light;
}

.grid-lines {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 2;
  box-sizing: border-box;
  user-select: none;
  pointer-events: none;
  transition: all 0.8s ease-out;
}

.grid-lines.gray .line-25,
.grid-lines.grey .line-50 {
  border-color: var(--tertiary-color);
}

.line-25 {
  width: 20vw;
  border-right: 1px solid rgba(255, 255, 255, 0.9);
}

.line-25:last-child {
  border-right: none;
}

.line-50 {
  width: 60vw;
  border-right: 1px solid rgba(255, 255, 255, 0.9);
}

#full-stack-mastery .hero h1 {
  padding: 2%;
  width: 80%;
  margin: 0 auto;
  font-size: 70px;
  border-top: 1px solid rgba(255, 255, 255, 0.5);
}

#full-stack-mastery .hero h2 {
  width: 80%;
  padding-bottom: 10px;
  margin: 0 auto;
  font-size: 45px;
}

#full-stack-mastery .hero p {
  width: 60%;
  margin: 20px auto;
  font-size: 20px;
  line-height: 1.8;
}

#full-stack-mastery #content {
  display: flex;
  justify-content: space-between;
}

aside {
  max-width: 360px;
  margin: 0 0 30px;
  padding: 10px 20px 25px;
  background: var(--background-color);
  border-radius: 12px;
  box-shadow: 0 4px 15px var(--shadow-light);
  text-align: left;
  position: sticky;
  top: 20px;
  animation: fadeInUp 0.8s ease-out;
}

aside .feedback h2 {
  font-size: 16.5px;
  font-weight: 1000;
}

aside .feedback .score {
  display: inline-block;
  margin: 0 10px;
}

aside .feedback .top-rated {
  display: inline-block;
  background: var(--secondary-color);
  color: var(--background-color);
  padding: 5px 10px;
  border-radius: 5px;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 10px;
}

aside #course-over h2 {
  font-size: 19px;
  font-weight: 1000;
  margin-bottom: 5px;
  color: var(--p-color2);
}

aside #course-over p {
  font-size: 15px;
  margin-bottom: 5px;
  color: var(--p-color1);
}

aside #course-over .language-options {
  font-size: 15px;
  margin-bottom: 5px;
  color: var(--p-color2);
}

aside .instructors h2 {
  font-size: 19px;
  font-weight: 1000;
  margin-bottom: 5px;
  color: var(--p-color2);
}

.enrollment,
.instructors {
  font-size: 15px;
  color: var(--p-color1);
  margin: 5px 0;
}

aside .last-update {
  font-size: 16px;
  font-weight: 800;
}

.cost {
  margin-top: 20px;
}

.pricing-info {
  margin-bottom: 15px;
}

.current-cost {
  font-family: "inter", sans-serif;
  font-weight: 800;
  font-size: 24px;
  color: var(--primary-color);
}

.initial-cost {
  font-family: "inter", sans-serif;
  font-weight: 600;
  font-size: 16px;
  text-decoration: line-through;
  color: rgb(158, 0, 0);
}

.savings {
  font-family: "inter", sans-serif;
  font-weight: 700;
  font-size: 16px;
  color: #28a745;
}

.deal-timer {
  font-size: 16px;
  color: #dc3545;
  font-weight: 600;
  margin: 5px 0;
}

.refund-policy {
  font-size: 14px;
  color: var(--tertiary-color);
  margin: 10px 0 20px;
}

#coursedes {
  text-align: left;
  margin-left: 10%;
}

.course-features,
.feedback,
.learning-goals,
.corporate-trust,
.practice-tasks,
.group-training,
.course-outline {
  margin: 40px 0;
  animation: fadeInUp 1s ease-out;
}

#coursedes h2 {
  font-size: 24px;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 20px;
  position: relative;
}

#coursedes h2::after {
  content: "";
  position: absolute;
  width: 50px;
  height: 2px;
  background: var(--secondary-color);
  bottom: -5px;
  left: 0;
  transition: width 0.3s ease;
}

.course-features:hover h2::after,
.learning-goals:hover h2::after,
.corporate-trust:hover h2::after,
.practice-tasks:hover h2::after,
.group-training:hover h2::after,
.course-outline:hover h2::after {
  width: 100px;
}

#coursedes ul {
  list-style: none;
  padding: 0;
}

#coursedes ul li {
  font-size: 16px;
  padding: 10px 0;
  position: relative;
  padding-left: 25px;
  color: var(--text-color);
}

#coursedes ul li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--secondary-color);
  font-weight: bold;
}

#coursedes .practice-tasks p {
  font-size: 16px;
  color: var(--p-color2);
  margin-bottom: 20px;
}

#coursedes .practice-tasks img {
  width: 100%;
  max-width: 600px;
  border-radius: 12px;
  box-shadow: 0 4px 15px var(--shadow-light);
  transition: transform 0.4s ease;
}

#coursedes body.dark .practice-tasks img {
  box-shadow: 0 4px 15px var(--shadow-light);
}

#coursedes .practice-tasks img:hover {
  transform: scale(1.05);
}

#coursedes .group-training p {
  font-size: 16px;
  color: var(--p-color2);
  margin-bottom: 20px;
}

#coursedes .course-outline p {
  font-size: 16px;
  color: var(--p-color2);
}

/* Full-Stack Mastery: Responsive Design */
@media (max-width: 768px) {

  aside,
  #coursedes {
    max-width: 100%;
    padding: 15px;
  }

  h2 {
    font-size: 20px;
  }

  ul li {
    font-size: 14px;
  }

  .company-icons {
    flex-direction: column;
    align-items: center;
  }

  .discount-code input {
    width: 60%;
  }

  .btn {
    padding: 10px 20px;
    font-size: 14px;
  }
}