html {
  scroll-behavior: smooth;
}

body {
  font-family: "Golos Text", "Arial", sans-serif;
  padding: 0;
  margin: 0 auto;
  color: #313131;
}

.header {
  width: 100%;
  min-height: 700px;
  background-image: url("../images/background-header.png");
  background-size: cover;
  background-position: center;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: relative;
}

.header__section {
  margin-left: 72px;
  margin-top: 26px;
  max-width: 542px;
  min-height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  box-sizing: border-box;
}

section {
  max-width: 1222px;
  margin: 0 auto;
}

.logo {
  text-decoration: none;
  width: 245px;
}

.logo-text {
  color: #595653;
  font-size: 16.65px;
  font-weight: bold;
  display: inline-block;
  text-transform: uppercase;
}

.header-title {
  font-size: 60px;
  margin: 62px 0 24px;
  line-height: 110%;
}

.text-align {
  display: inline-flex;
  text-align: center;
  padding-left: 30px;
}

.description {
  text-align: center;
  font-size: 18px;
  line-height: 130%;
  margin-bottom: 37px;
  color: #313131;
}

.buttons {
  display: flex;
  gap: 15px;
}

.button {
  width: 263px;
  padding: 18px 20px;
  font-size: 16px;
  border: none;
  border-radius: 66px;
  cursor: pointer;
  transition: background-color 0.3s, color 0.3s;
  font-weight: 500;
}

.button-primary {
  background-color: #1f1f1f;
  color: #fff;
}

.button-primary:hover {
  background-color: #fbce51;
  color: #1f1f1f;
}

.button-secondary {
  background-color: transparent;
  color: #1f1f1f;
  border: 2px solid #1f1f1f;
}

.button-secondary:hover {
  background-color: #1f1f1f;
  color: #fff;
}

.marquee {
  width: 100%;
  background-color: #f54932;
  color: white;
  overflow: hidden;
  white-space: nowrap;
  box-sizing: border-box;
  display: flex;
  height: 60px;
  z-index: 1;
  position: relative;
}

.marquee span {
  display: inline-block;
  animation: marquee 15s linear infinite;
  font-size: 22px;
  margin: 18px;
  white-space: nowrap;
}

@keyframes marquee {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-100%);
  }
}

.about-lecture {
  display: flex;
  justify-content: space-between;
  margin: 100px auto 32px;
  width: 100%;
}

.about-lecture__text {
  font-size: 36px;
  margin-right: 64px;
  line-height: 135%;
}

.about-lecture img {
  margin-top: -20px;
}

.second-font {
  font-family: "Merriweather", serif;
  font-weight: 400;
  text-transform: uppercase;
}

.red-text {
  color: #f54932;
  font-weight: bold;
}

.align-center {
  text-align: center;
}

.event {
  display: flex;
  gap: 40px;
  max-height: 527px;
  margin: 64px auto 100px;
  width: 100%;
}

.event-title {
  text-align: left;
  font-size: 36px;
  margin-bottom: 20px;
  line-height: 135%;
  margin-bottom: 60px;
}

.event-img {
  max-width: 474px;
  width: 100%;
  position: relative;
}

.event-img::before {
  content: "";
  background-image: url(../images/chess-event.png);
  background-size: cover;
  position: absolute;
  width: 528px;
  height: 609px;
  left: -35px;
  top: -30px;
  background-repeat: no-repeat;
}

.chess-event {
  width: 100%;
}

.event-details {
  width: 100%;
  border-collapse: collapse;
  margin-top: 20px;
  font-size: 20px;
}

.event-details td {
  padding: 12px 10px;
  vertical-align: middle;
}

.red-line {
  text-decoration-color: #f54932;
}

.event-details td:first-child {
  text-align: left;
  width: 43%;
  color: rgba(49, 49, 49, 0.7);
  max-width: 306px;
}

.event-details td:last-child {
  text-align: left;
  font-weight: 600;
}

tr td:first-child {
  border-right: 2px solid #d0d0d0;
}

tr:not(:last-child) td {
  border-bottom: 2px solid #d0d0d0;
}

.event-details td:first-child {
  padding: 16px 16px 16px 0;
}

.event-details td:last-child {
  padding: 16px;
}

.event-details tbody tr:first-child > td {
  padding-top: 0;
}

.event-details tbody tr:last-child > td {
  padding-bottom: 0;
}

.contact-info {
  margin-top: 48px;
  text-align: center;
  font-size: 20px;
  color: #3057a2;
  text-align: left;
}

.transformation-stages {
  position: relative;
  margin: 0 auto;
  padding: 100px 0;
}

.transformation-stages h2 {
  font-size: 54px;
  margin-bottom: 10px;
  line-height: 1.2;
}

.transformation-stages .subtitle {
  display: inline-block;
  font-size: 16px;
  color: #3057a2;
  margin-top: 5px;
  font-family: "Golos Text", sans-serif;
  text-transform: initial;
}

.stages-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: auto;
  gap: 20px;
  margin-top: 54px;
}

.stage-item {
  background-color: #e9ded4;
  background-image: url(../images/stages-card-bg.png);
  padding: 20px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.stage-number {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  background-color: white;
  color: black;
  font-size: 20px;
  font-weight: bold;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.stage-item p {
  margin: 0;
  font-size: 20px;
  line-height: 120%;
  text-align: left;
  font-weight: 500;
}

.stage-item-tall {
  grid-row: span 2;
}

.stage-item-wide {
  grid-column: span 2;
}

.stage-text-p {
  width: 445px;
}

.stage-image {
  position: absolute;
  top: 425px;
  right: -50px;
  margin-top: 30px;
  width: 376px;
  max-width: 100%;
  height: auto;
}

.stages-carousel-controls {
  display: none;
}

.players {
  position: relative;
  margin-top: 100px;
}

.players-title {
  font-size: 54px;
  margin-bottom: 60px;
}

.carousel-controls {
  display: flex;
  position: absolute;
  z-index: 1;
  right: 0;
  align-items: center;
  justify-content: center;
  gap: 7px;
}

.carousel-container {
  margin: 0 auto;
  width: 100%;
  overflow: hidden;
  position: relative;
  background-color: #fff;
  margin-bottom: 140px;
}

.carousel {
  display: flex;
  transition: transform 1s ease;
}

.carousel-item {
  flex: 0 0 33.33%;
  box-sizing: border-box;
  text-align: center;
  max-width: 394px;
  min-height: 462px;
}

.carousel-item:not(:last-child) {
  margin-right: 20px;
}

.player {
  font-size: 24px;
  padding-top: 28px;
  padding-bottom: 6px;
  font-weight: 600;
}

.titel {
  font-size: 20px;
  color: rgba(49, 49, 49, 0.6);
}

.player-more-info {
  padding: 9px 12px;
  color: #3057a2;
  font-size: 16px;
  font-weight: 500;
  border: 1px solid #3057a2;
  border-radius: 62px;
  line-height: 100%;
  background-color: transparent;
  margin-top: 20px;
}

.player-more-info:hover {
  background-color: #3057a2;
  color: #fff;
}

.button-controls {
  background-color: transparent;
  color: #fff;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.button-controls:hover svg circle {
  fill: #fbce51;
}

.button-controls:disabled svg circle {
  fill: #d9d9d9;
  /* у вас в макета сразу два цвета для диза */
}

.carousel-indicator {
  font-size: 16px;
  font-weight: 400;
  color: rgba(49, 49, 49, 0.6);
}

.current-index {
  color: #313131;
}

.footer {
  width: 100%;
  background-color: #e9ded4;
  padding: 40px 72px;
  margin: 0 auto;
  color: rgba(49, 49, 49, 0.6);
}

@media (max-width: 1024px) {
  .header {
    background-image: url(../images/background-header375.png);
    min-height: 500px;
  }

  .header__section {
    margin-left: 20px;
    margin-top: 20px;
    max-width: 100%;
    padding: 20px;
    margin: 0;
    min-height: 780px;
    justify-content: unset;
  }

  .logo-text {
    font-size: 14px;
  }

  .header-title {
    font-size: 36px;
    margin: 40px 0 24px;
    line-height: 110%;
  }

  .description {
    text-align: left;
  }

  .buttons {
    flex-direction: column;
    width: 100%;
    align-items: center;
  }

  .button {
    width: 100%;
    line-height: 8px;
  }

  .button-secondary {
    background-color: rgba(255, 255, 255, 0.9);
    border: none;
  }

  .marquee {
    height: 38px;
  }

  .marquee span {
    font-size: 16px;
    margin: 10px;
  }

  .about-lecture {
    flex-direction: column;
    margin: 48px auto 0;
    padding: 0 20px;
  }

  .about-lecture__text {
    font-size: 28px;
    margin-right: 0;
    margin-bottom: 20px;
  }

  .about-lecture img {
    width: 100%;
    height: auto;
    margin-top: 0;
    margin-bottom: 20px;
  }

  .event {
    flex-direction: column;
    margin: 0 auto;
    max-height: none;
    gap: 22px;
  }

  .event-title {
    font-size: 28px;
    margin-bottom: 44px;
  }

  .event-img {
    width: 100%;
    min-height: 420px;
  }

  .event-img::before {
    width: 100%;
    height: 100%;
    left: 0;
    top: 0;
    background-size: cover;
    background-position: center;
  }

  .chess-event {
    width: 100%;
    padding: 0 20px;
  }

  .event-details tbody,
  .event-details tr {
    display: block;
    width: 100%;
  }

  .event-details td {
    display: block;
    width: 100%;
  }

  .event-details td:first-child {
    width: 100%;
    max-width: 100%;
    border: none;
    padding: 12px 12px 12px 0;
  }

  .event-details td:last-child {
    padding: 0 12px 16px 0;
  }

  .event-details tr:nth-child(4) {
    display: flex;
    flex-wrap: nowrap;
  }

  .event-details tr:nth-child(4) td {
    display: inline-block;
    width: 47%;
    padding-top: 12px;
  }

  .event-details tbody tr:last-child > td {
    padding-bottom: 12px;
  }

  tr:not(:last-child) td {
    border: none;
  }

  tr:not(:last-child) {
    border-bottom: 2px solid #d0d0d0;
  }

  .contact-info {
    font-size: 16px;
    margin-top: 40px;
  }

  .transformation-stages {
    padding: 50px 20px;
    padding-top: 120px;
  }

  .transformation-stages h2 {
    font-size: 24px;
  }

  .transformation-stages .subtitle {
    font-size: 14px;
  }

  .stages-grid {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    gap: 0;
    margin-top: 148px;
  }

  .stage-item {
    flex: 0 0 100%;
    scroll-snap-align: start;
    padding: 0 24px;
    box-sizing: border-box;
    padding-top: 62px;
  }

  .slide.active .stage-item:nth-child(2) {
    padding-top: 0;
  }

  .stage-item p {
    font-size: 18px;
  }

  .stage-item-tall,
  .stage-item-wide {
    grid-row: initial;
    grid-column: initial;
  }

  .stage-text-p {
    width: auto;
  }

  .stage-image {
    width: 50%;
    margin-top: 20px;
    top: 290px;
    right: 0;
    z-index: 1;
  }

  .stages-carousel-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin-top: 20px;
  }

  .stages-grid {
    position: relative;
    height: 300px;
    overflow: hidden;
  }
  /* Оборачиваем этапы в контейнеры .slide */
  .stages-grid .slide {
    display: none;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    flex-direction: column;
    gap: 10px;
    padding: 0;
    box-sizing: border-box;
    overflow-y: auto;
  }
  .stages-grid .slide.active {
    display: flex;
    gap: 28px;
  }

  /* Контейнер с кнопками и пагинацией */
  .stages-carousel-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 16px;
    margin-top: 28px;
  }
  .stages-carousel-controls .button-controls {
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
  }
  .stages-carousel-controls .button-controls:disabled {
    opacity: 0.3;
    cursor: default;
  }

  /* Скрываем старый цифровой индикатор */
  .transformation-stages .carousel-indicator {
    display: none;
  }

  /* Пагинационные точки */
  .pagination {
    display: flex;
    gap: 8px;
  }
  .pagination-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #d9d9d9;
    cursor: pointer;
  }
  .pagination-dot.active {
    background: #313131;
  }

  /* Заголовок и подзаголовок */
  .transformation-stages .second-font {
    font-size: 36px;
    line-height: 110%;
  }
  .transformation-stages .subtitle {
    display: block;
    font-size: 18px;
    color: #3057a2;
    margin-top: 12px;
    font-family: "Golos Text", sans-serif;
  }

  .button-controls svg {
    width: 36px;
    height: 36px;
  }

  .players {
    margin-top: 70px;
    padding: 0 20px;
  }

  .players-title {
    font-size: 36px;
    margin-bottom: 40px;
  }

  .carousel-controls {
    position: static;
    margin-top: 40px;
  }

  .carousel-container {
    margin-bottom: 100px;
  }

  .carousel-item {
    flex: 0 0 100%;
    max-width: 100%;
    margin-right: 0;
    width: 100%;
    min-height: auto;
  }

  .carousel-item img {
    width: 244px;
    height: 244px;
  }

  .player {
    font-size: 20px;
  }

  .titel {
    font-size: 16px;
  }

  .footer {
    padding: 40px 20px 60px;
  }
}

@media (max-width: 768px) {
  .carousel-item:not(:last-child) {
    margin-right: 0;
  }
}

@media (max-width: 400px) {
  .stage-image {
    width: 90%;
  }
}

@media (min-width: 1920px) {
  .header {
    background-image: url(../images/background-header1920.png);
  }
}

/* Анимация коня в шапке */

.swing img {
  display: none;
}

@media screen and (min-width: 1024px) and (max-width: 1920px) {
  .swing img {
    display: inline-block;
    width: 154px;
    height: 244px;
  }

  .shift {
    display: inline-block;
    transform-origin: 0 0;
    animation: shift 2s ease-in-out infinite alternate;
    position: absolute;
    bottom: -100px;
    right: 20%;
  }

  @keyframes shift {
    from {
      transform: translate(0, 0);
    }
    to {
      transform: translate(-100px, -100px);
    }
  }

  .swing {
    display: inline-block;
    transform-origin: 50% 50%;
    animation: swing 2s ease-in-out infinite alternate;
  }

  @keyframes swing {
    from {
      transform: rotate(-10deg);
    }
    to {
      transform: rotate(10deg);
    }
  }
}