.timeline-section {
  max-width: 1200px;
  width: fit-content;
  margin: 0 auto;
  padding: 60px;
  background-color: #eaebea;
  border-top-left-radius: 30px;
  border-top-right-radius: 30px;
  height: fit-content;
  overflow: hidden;
    background: #EAEBEB;
    position: relative;
}

.timeline-title {
    color: #000;
    text-align: center;
    font-family: Montserrat;
    font-size: 36px;
    font-style: normal;
    font-weight: 500;
    margin-top: 60px;
    margin-bottom: 60px;
}

.timeline-title .highlight {
    background: linear-gradient(90deg, #6EC7AE 6.53%, #152823 122.81%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-family: Montserrat;
    font-weight: 700;
}

.timeline {
  display: flex;
  flex-direction: column;
  position: relative;
  margin-left: 90px;
  gap: 60px;
  height: 100%;
}

.timeline-item {
  position: relative;
  z-index: 2;
}

.timeline-content {
  padding: 30px;
  background-color: #f5f5f7;
  border-radius: 15px;
}

.timeline-year {
    color: #1C1C1E;
    font-family: Montserrat;
    font-size: 40px;
    font-style: normal;
    font-weight: 700;
    line-height: normal;
    margin-bottom: 15px;
}

.timeline-heading {
    color: #000;
    font-family: Montserrat;
    font-size: 24px;
    font-style: normal;
    font-weight: 600;
    line-height: normal;
    margin-bottom: 15px;
    transition: all 0.2s ease;
}

.timeline-content p {
    color: #2c2c30;
    font-family: 'Geologica';
    font-size: 18px;
    font-style: normal;
    font-weight: 300;
}

.triangle-column {
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  pointer-events: none;
  width: 30px;
  margin-right: 0;
}

.triangle-icon {
  width: 30px;
  height: auto;
  opacity: 0.15;
  transform: translateY(5px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.triangle-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px; /* съответства на spacing в JS */
  height: 1000px;
}

@keyframes fadeInUp {
  from {
    opacity: 0.15;
    transform: translateY(5px);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1.1);
  }
}

.triangle-icon.visible {
  animation: fadeInUp 0.6s ease-out forwards;
}

@keyframes fadeOutDown {
  from {
    opacity: 1;
    transform: translateY(0);
  }
  to {
    opacity: 0.15;
    transform: translateY(5px);
  }
}

.triangle-icon.hidden {
  animation: fadeOutDown 0.6s ease-out forwards;
}


.timeline-row {
  display: flex;
  align-items: flex-start;
  position: relative;
}

.timeline-main {
  flex: 1;
  margin-left: 60px;
}

@media (max-width: 1280px) {
  .timeline-section {
    max-width: 100%;
    margin: 0 30px;
  }
}

@media (max-width: 1024px) {
  .timeline-title{
    font-size: 30px;
    padding-left: 30px;
    padding-right: 30px;
  }
  .timeline-section {
    padding: 30px;
    margin: 0 15px;
  }
  .timeline-year{
    font-size: 32px;
  }
  .triangle-column{
    margin-right: 0px;
  }
  .timeline-content{
    padding: 15px;
  }
  .timeline-heading{
    font-size: 22px;
  }
  .timeline{
    margin-left: 50px; 
  }
  .triangle-column{
    width: 24px;
    margin-right: -10px;
  }
  .triangle-column img{
    width: 24px;
  }
}

@media (max-width: 600px) {

  .timeline-section {
    padding-left: 23px;
    padding-right: 15px;
    padding-top: 25px;
    padding-bottom: 15px;
  }
  .timeline-section{
        border-top-right-radius: 0px;
        border-top-left-radius: 0px;
        margin-right: 0px;
        margin-left: 0px;
    }
  .timeline-title{
    font-size: 28px;
  }
  .timeline{
    gap: 60px;
  }
}

@media (max-width: 376px) {
    .timeline-section{
        border-top-right-radius: 0px;
    }
}

/* Overlay triangle at the bottom left of the timeline section */
.triangle-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 200px;
  background: linear-gradient(to bottom, rgba(234, 235, 234, 0) 0%, #eaebea 100%);
  pointer-events: none;
  z-index: 1;
}