/* container */
.container {
  padding-right: 20px;
  padding-left: 20px;
  margin-right: auto;
  margin-left: auto;
  overflow: hidden;
}
@media (min-width: 768px) {
  .container {
    width: 750px;
  }
}
@media (min-width: 992px) {
  .container {
    width: 970px;
  }
}
@media (min-width: 1200px) {
  .container {
    width: 1170px;
  }
}

/* Framework styles */
.section-header {
  margin-bottom: 3rem;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.section-header .section-heading {
  font-size: 3rem;
  font-weight: 800;
  letter-spacing: 0.3rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
  position: relative;
}

.section-header .section-heading::before {
  content: "{";
  color: var(--secondary-color);
  font-weight: 500;
}

.section-header .section-heading::after {
  content: "}";
  color: var(--secondary-color);
  font-weight: 500;
}

.section-header .section-description {
  color: var(--paragraph-font-color);
  font-size: 1.2rem;
  max-width: 50ch;
  text-align: center;
  position: relative;
}

.section-header .section-description::before,
.section-header .section-description::after {
  color: var(--secondary-color);
  font-weight: bold;
  font-size: 2rem;
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
}

.section-header .section-description::before {
  content: "<!-- ";
  left: -4rem;
}

.section-header .section-description::after {
  content: " -->";
  right: -4rem;
}

.glass {
  background-color: rgba(0, 0, 0, 0.404);
  border-radius: 15px;
  padding: 20px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
  color: white;
  text-align: center;
}

/* Marquee */
.marquee {
  --marquee-width: 90%;
  width: var(--marquee-width);
  overflow: hidden;
  margin-inline: auto;
  mask: linear-gradient(90deg, transparent, white 20%, white 80%, transparent);
}
.marquee .marquee-content {
  --skill-gap: 2rem;
  display: flex;
  align-items: center;
  width: fit-content;
  padding-block: 1rem;
  gap: var(--skill-gap);
  animation: marquee 10s linear infinite;
}

.marquee .marquee-content:hover {
  animation-play-state: paused;
}

.marquee .marquee-content .skill {
  min-width: 100px;
  opacity: 0.5;
  transition: var(--slow-transition);
}

.marquee .marquee-content .skill:hover {
  opacity: 1;
}

@keyframes marquee {
  to {
    transform: translateX(calc(-50% - (0.5 * var(--skill-gap))));
  }
}