@keyframes heartbeat {
  0% { transform: scale(0); }
  25% { transform: scale(1.2); }
  50% { transform: scale(1); }
  75% { transform: scale(1.2); }
  100% { transform: scale(1); }
}

.slider-container {
  position: relative;
  margin: 0 auto;
  width: 800px;
  height: 600px;
  overflow: hidden; /* чтобы слайды не вылазили */
  z-index: 1;
}

/* bullets */
.slider-container .bullet-container {
  position: absolute;
  bottom: 10px;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10; /* поверх слайдов */
}

.slider-container .bullet-container .bullet {
  margin-right: 14px;
  height: 20px;
  width: 20px;
  border-radius: 50%;
  background-color: white;
  opacity: 0.5;
}

.slider-container .bullet-container .bullet:last-child {
  margin-right: 0;
}

.slider-container .bullet-container .bullet.active {
  opacity: 1;
}

/* slider content */
.slider-container .slider-content {
  position: relative;
  left: 50%;
  top: 50%;
  width: 70%;
  height: 60%;
  transform: translate(-50%, -50%);
  z-index: 1; /* под стрелками и текстом */
}

.slider-container .slider-content .slider-single {
  position: absolute;
  z-index: 1;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  transition: z-index 0ms 250ms;
}

.slider-container .slider-content .slider-single-image {
  position: relative;
  width: 100%;
  height: 100%;
  transition: 500ms cubic-bezier(0.17, 0.67, 0.55, 1.43);
  transform: scale(0);
  opacity: 0;
  z-index: 1;
}

.slider-container .slider-content .slider-single-download {
  position: absolute;
  display: block;
  right: -22px;
  bottom: 12px;
  padding: 15px;
  color: #333;
  background-color: #fdc84b;
  font-size: 18px;
  font-weight: 600;
  font-family: "karla";
  border-radius: 5px;
  box-shadow: 0px 4px 10px rgba(0,0,0,0.3);
  transition: 500ms cubic-bezier(0.17,0.67,0.55,1.43);
  opacity: 0;
}

.slider-container .slider-content .slider-single-title {
  display: block;
  float: left;
  margin: 16px 0 0 20px;
  font-size: 20px;
  font-family: "karla";
  font-weight: 400;
  color: #fff;
  transition: 500ms cubic-bezier(0.17,0.67,0.55,1.43);
  opacity: 0;
}
.slider-single-title {
  display: block;
  width: 100%;          /* занимать всю ширину слайда */
  text-align: center;   /* центрирование текста */
  margin: 5px 0 0 0;    /* верхний отступ */
  font-size: 16px;      /* мобильный размер */
  font-family: "karla";
  font-weight: 400;
  color: #ffffff;
  transition: 500ms cubic-bezier(0.17,0.67,0.55,1.43);
  opacity: 0;
}


.slider-container .slider-content .slider-single-likes {
  display: block;
  float: right;
  margin: 16px 20px 0 0;
  transition: 500ms cubic-bezier(0.17,0.67,0.55,1.43);
  opacity: 0;
}

.slider-container .slider-content .slider-single-likes i {
  font-size: 20px;
  display: inline-block;
  vertical-align: middle;
  margin-right: 5px;
  color: #ff6060;
  transition: 500ms cubic-bezier(0.17,0.67,0.55,1.43);
  transform: scale(0);
}

.slider-container .slider-content .slider-single-likes p {
  display: inline-block;
  vertical-align: middle;
  margin: 0;
  color: #fff;
}

/* states */
.slider-container .slider-content .slider-single.preactivede .slider-single-image { transform: translateX(-50%) scale(0); }
.slider-container .slider-content .slider-single.preactive { z-index: 1; }
.slider-container .slider-content .slider-single.preactive .slider-single-image { opacity: 0.3; transform: translateX(-50%) scale(0.8); }
.slider-container .slider-content .slider-single.preactive .slider-single-download,
.slider-container .slider-content .slider-single.preactive .slider-single-title,
.slider-container .slider-content .slider-single.preactive .slider-single-likes { transform: translateX(-150px); }

.slider-container .slider-content .slider-single.proactive { z-index: 1; }
.slider-container .slider-content .slider-single.proactive .slider-single-image { opacity: 0.3; transform: translateX(50%) scale(0.8); }
.slider-container .slider-content .slider-single.proactive .slider-single-download,
.slider-container .slider-content .slider-single.proactive .slider-single-title,
.slider-container .slider-content .slider-single.proactive .slider-single-likes { transform: translateX(150px); }

.slider-container .slider-content .slider-single.proactivede .slider-single-image { transform: translateX(50%) scale(0); }

.slider-container .slider-content .slider-single.active { z-index: 2; }
.slider-container .slider-content .slider-single.active .slider-single-image { opacity: 1; transform: translateX(0) scale(1); }
.slider-container .slider-content .slider-single.active .slider-single-download { opacity: 1; transition-delay: 100ms; transform: translateX(0); }
.slider-container .slider-content .slider-single.active .slider-single-title { opacity: 1; transition-delay: 200ms; transform: translateX(0); }
.slider-container .slider-content .slider-single.active .slider-single-likes { opacity: 1; transition-delay: 300ms; transform: translateX(0); text-decoration: none; }
.slider-container .slider-content .slider-single.active .slider-single-likes i { animation-name: heartbeat; animation-duration: 500ms; animation-delay: 900ms; animation-iteration-count: 1; animation-fill-mode: forwards; }

/* arrows */
.slider-container .slider-left, .slider-container .slider-right {
  position: absolute;
  z-index: 10; /* поверх всех слайдов */
  top: 50%;
  width: 50px;
  height: 50px;
  padding: 0;
  border: none;
  border-radius: 50%;
  color: #fff;
  transform: translateY(-50%);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.slider-container .slider-left { left: 10px; }
.slider-container .slider-right { right: 10px; }

.slider-arrow { position: absolute; width: 50px; height: 50px; cursor: pointer; }
.slider-arrow::before { content: ''; position: absolute; top: 50%; left: 50%; width: 14px; height: 14px; border-top: 3px solid #fdc84b; border-right: 3px solid #fdc84b; transform: translate(-50%, -50%) rotate(45deg); }
.slider-left::before { transform: translate(-50%, -50%) rotate(-135deg); }
.slider-right::before { transform: translate(-50%, -50%) rotate(45deg); }
.slider-arrow:hover::before { border-color: #fff; }

/* тексты слайдера */
.slider-main-text {
  font-family: 'Nanum Myeongjo', Georgia, "Times New Roman", serif;
  font-size: 69px;
  color: #cab6a1 !important;
  top: -35%;         /* подняли выше */
  left: 50%;       /* центр по горизонтали */
  transform: translateX(-50%);
  z-index: 10 !important;
  position: absolute;
  text-align: center;
}

.slider-sub-text {
  font-family: 'Roboto', Helvetica, Arial, Lucida, sans-serif;
  font-weight: 500;
  text-transform: uppercase;
  font-size: 20px;
  color: #fff;
  top: -10%;        /* чуть ниже main-text */
  left: 50%;       /* центр по горизонтали */
  transform: translateX(-50%);
  z-index: 10;
  position: absolute;
  text-align: center;
}

/* медиа-запросы */
@media (max-width: 992px) {
  .slider-container { width: 90%; height: 500px; }
  .slider-main-text { font-size: 55px; top: -35%; left: 50%; transform: translateX(-50%); }
  .slider-sub-text { font-size: 18px; top: -15%; left: 50%; transform: translateX(-50%); }
  .slider-single-title { font-size: 18px; }
}

@media (max-width: 576px) {
  .slider-container { width: 100%; height: 400px; }
  .slider-main-text { font-size: 36px; top: -35%; left: 50%; transform: translateX(-50%); }
  .slider-sub-text { font-size: 16px; top: -15%; left: 50%; transform: translateX(-50%); }
   .slider-single-title {
    font-size: 16px;
    margin: 5px 0 0 0;
    text-align: center;
  }
  .slider-single-likes { margin: 5px 10px; }
  .slider-left, .slider-right { width: 40px; height: 40px; }
}