:root {
  --accent-color: #36ab65;
}

/* Pulsating Register Button
------------------------------*/
.hero-btn {
  color: var(--contrast-color);
  padding: .75rem 2rem;
  background: var(--accent-color);
  border-radius: 2rem;
  display: block;
  box-shadow: 0 0 0 5px color-mix(in srgb, var(--accent-color), transparent 75%);
}

.hero-btn:hover {
  color: var(--contrast-color);
  background: color-mix(in srgb, var(--accent-color), transparent 15%);
}

#tentang {
  overflow: initial;
  scroll-margin-top: 92px;
}

@media (max-width: 1199px) {
  #tentang {
    scroll-margin-top: 76px;
  }
}

#call-paper {
  padding: 60px;
  background: url(../img/call-paper-bg.jpg) center center no-repeat;
  background-size: cover;
  position: relative;
}

#call-paper::before {
  content: "";
  background: rgba(6, 12, 34, 0.6);
  position: absolute;
  bottom: 0;
  top: 0;
  left: 0;
  right: 0;
}

@media (min-width: 1024px) {
  #call-paper {
      background-attachment: fixed;
  }
}

.section-header {
  margin-bottom: 60px;
  position: relative;
  padding-bottom: 20px;
}

.section-header::before {
  content: '';
  position: absolute;
  display: block;
  width: 60px;
  height: 5px;
  background: var(--accent-color);
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
}

#call-paper .section-header h2, #call-paper p {
  color: #fff;
}

.section-header h2 {
  font-size: 36px;
  text-transform: uppercase;
  text-align: center;
  font-weight: 700;
  margin-bottom: 10px;
}

.section-header p {
  text-align: center;
  padding: 0;
  margin: 0;
  font-size: 18px;
  font-weight: 400;
  color: #9195a2;
}

#call-paper .submit-btn {
  position: relative;
  border: 0;
  padding: 9px 25px;
  cursor: pointer;
  background: var(--accent-color);
  color: #fff;
  transition: all 0.3s ease;
  outline: none;
  font-size: 14px;
  border-radius: 50px;
}

.register-btn {
  color: var(--contrast-color);
  background-color: var(--accent-color);
  border: 2px solid var(--accent-color);
  display: inline-block;
  padding: 12px 40px;
  border-radius: 4px;
  transition: none;
  font-size: 16px;
  font-weight: 500;
  transition: 0.3s;
  font-family: var(--heading-font);
}

.register-btn:hover, .register-btn:disabled {
  background: color-mix(in srgb, var(--accent-color), transparent 20%);
  border: 2px solid color-mix(in srgb, var(--accent-color), transparent 20%);
}

.archives-item {
  border-bottom: 1px solid color-mix(in srgb, var(--default-color), transparent 85%);
  padding-top: 15px;
  padding-bottom: 15px;
  transition: background-color ease-in-out 0.3s;
}