:root {
  --paper: #e9ded4;
  --ink: #313131;
  --muted: #595653;
  --red: #f54932;
  --blue: #3057a2;
  --line: rgba(49, 49, 49, 0.2);
  --container: 1222px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: #fff;
  font-family: Arial, Helvetica, sans-serif;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image: url("assets/paper-texture.jpg");
  background-size: 640px auto;
  opacity: 0.045;
  mix-blend-mode: multiply;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
}

.container {
  width: min(var(--container), calc(100% - 40px));
  margin-inline: auto;
}

.hero {
  min-height: 700px;
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background:
    linear-gradient(rgba(233, 222, 212, 0.78), rgba(233, 222, 212, 0.78)),
    url("assets/hero-background.png") center / cover no-repeat,
    var(--paper);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    url("assets/paper-texture.jpg") center / 640px auto repeat;
  mix-blend-mode: multiply;
  opacity: 0.42;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background: url("assets/hero-background.png") center / cover no-repeat;
  mix-blend-mode: multiply;
  opacity: 0.26;
}

.hero__inner {
  position: static;
  z-index: 1;
  padding-top: 26px;
}

.logo {
  position: relative;
  z-index: 3;
  display: block;
  width: 246px;
  height: 36px;
  text-decoration: none;
}

.logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.hero__content {
  position: relative;
  z-index: 3;
  width: min(100%, 542px);
  padding-top: 60px;
}

h1,
h2 {
  font-family: "Merriweather", Georgia, "Times New Roman", serif;
  margin: 0;
  font-weight: 400;
  text-transform: uppercase;
}

h1 {
  font-size: clamp(36px, 5vw, 60px);
  line-height: 1.1;
}

h1 span {
  display: block;
}

h1 span:nth-child(2) {
  text-align: center;
}

h1 span:nth-child(3),
h1 span:nth-child(4) {
  text-align: right;
}

.hero__content p {
  margin: 24px 0 0;
  color: var(--ink);
  font-size: 18px;
  line-height: 1.3;
  text-align: center;
}

.hero__actions {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 40px;
}

.button {
  min-height: 72px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 2px solid #1f1f1f;
  border-radius: 66px;
  padding: 13px 36px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.3;
  text-align: center;
  text-decoration: none;
  transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.button:hover {
  transform: translateY(-2px);
}

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

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

.button--light {
  color: #1f1f1f;
  background: rgba(255, 255, 255, 0.32);
}

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

.hero__scene {
  position: absolute;
  left: 50%;
  right: auto;
  bottom: -24px;
  z-index: 1;
  width: 118vw;
  height: auto;
  pointer-events: none;
  max-width: none;
  transform: translateX(-50%);
}

.ticker {
  position: relative;
  z-index: 4;
  margin-top: -15px;
  width: 100%;
  max-width: 100vw;
  overflow: hidden;
  background: var(--red);
  color: #fff;
  contain: paint;
}

.ticker__track {
  width: max-content;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px 0;
  font-family: "Merriweather", Georgia, "Times New Roman", serif;
  font-size: 22px;
  line-height: 1.1;
  text-transform: uppercase;
  white-space: nowrap;
  animation: ticker 34s linear infinite;
}

.ticker__track span {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.ticker__track span::after {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

.section {
  padding: 80px 0;
}

.lecture {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 394px;
  align-items: center;
  gap: 64px;
}

.lecture h2,
.session h2 {
  font-size: clamp(28px, 3.05vw, 36px);
  line-height: 1.35;
}

strong {
  color: var(--red);
  font-weight: inherit;
}

.lecture img {
  width: 394px;
  aspect-ratio: 394 / 250;
  border-radius: 50%;
  object-fit: cover;
}

.session {
  display: grid;
  grid-template-columns: 474px minmax(0, 1fr);
  gap: 44px;
  align-items: center;
  margin-top: 64px;
}

.session__image {
  position: relative;
}

.session__image img {
  position: relative;
  width: 100%;
  min-height: 0;
  object-fit: contain;
}

.event-table {
  margin: 58px 0 0;
  border-collapse: collapse;
  font-size: 20px;
  line-height: 1.2;
}

.event-table div {
  display: grid;
  grid-template-columns: 306px minmax(0, 1fr);
  border-bottom: 2px solid var(--line);
}

.event-table div:last-child {
  border-bottom: 0;
}

.event-table dt,
.event-table dd {
  margin: 0;
  padding: 15px 0;
}

.event-table dt {
  color: var(--muted);
  border-right: 2px solid var(--line);
  padding-right: 16px;
}

.event-table dd {
  font-weight: 700;
  padding-left: 16px;
}

.event-table s {
  margin-right: 8px;
  color: var(--red);
  text-decoration-color: var(--red);
}

.note {
  margin: 32px 0 0;
  color: var(--blue);
  font-size: 20px;
  line-height: 1.2;
}

.section-head {
  position: relative;
  display: block;
  max-width: 760px;
}

.section-head h2,
.players__head h2 {
  font-size: clamp(36px, 4.8vw, 54px);
  line-height: 1.2;
}

.section-head p {
  max-width: 280px;
  position: absolute;
  left: 300px;
  top: 74px;
  margin: 0;
  color: var(--blue);
  font-size: 20px;
  line-height: 1.2;
}

.stages {
  overflow: hidden;
}

.stage-carousel {
  position: relative;
  margin-top: 54px;
}

.stage-carousel__viewport {
  position: relative;
}

.stage-slide {
  display: contents;
}

.stage-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: minmax(112px, auto);
  gap: 20px;
}

.stage-card {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  gap: 16px;
  min-height: 112px;
  padding: 20px;
  background:
    linear-gradient(rgba(255,255,255,0.2), rgba(255,255,255,0.2)),
    url("assets/step-bg.png") center / cover;
  font-size: 20px;
  font-weight: 600;
  line-height: 1.2;
}

.stage-slide:nth-child(2) .stage-card {
  grid-row: span 2;
}

.stage-card--wide {
  grid-column: span 2;
  padding-right: 318px;
}

.stage-card span {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border-radius: 50%;
  background: #fff;
  font-weight: 700;
}

.stage-plane {
  position: absolute;
  right: -70px;
  bottom: 18px;
  width: min(31vw, 402px);
  pointer-events: none;
}

.carousel-controls {
  display: flex;
  align-items: center;
  gap: 12px;
}

.circle-btn {
  position: relative;
  width: 44px;
  height: 44px;
  display: block;
  border: 0;
  border-radius: 50%;
  color: #fff;
  background: var(--ink);
  font-size: 0;
  line-height: 1;
  cursor: pointer;
  transition: background-color 0.2s ease, opacity 0.2s ease, transform 0.2s ease;
}

.circle-btn::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 10px;
  height: 10px;
  border: solid currentColor;
  border-width: 0 2px 2px 0;
}

.circle-btn[aria-label*="Предыдущ"]::before {
  transform: translate(-40%, -50%) rotate(135deg);
}

.circle-btn[aria-label*="Следующ"]::before {
  transform: translate(-60%, -50%) rotate(-45deg);
}

.circle-btn:hover:not(:disabled) {
  background: #fbce51;
  color: var(--ink);
  transform: scale(1.04);
}

.circle-btn:disabled {
  opacity: 0.25;
  cursor: default;
}

.stage-controls {
  display: none;
  justify-content: center;
  margin-top: 28px;
}

.dots {
  display: inline-flex;
  gap: 6px;
}

.dots button {
  width: 10px;
  height: 10px;
  border: 0;
  border-radius: 50%;
  padding: 0;
  background: #d9d9d9;
}

.dots button.is-active {
  background: var(--ink);
}

.players {
  padding-top: 120px;
  overflow: hidden;
}

.players .container {
  position: relative;
}

.players__head {
  padding-right: 180px;
}

.players-controls {
  position: absolute;
  top: 10px;
  right: 0;
}

.counter {
  min-width: 46px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  color: rgba(49, 49, 49, 0.6);
  font-size: 16px;
  line-height: 1;
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

.counter b {
  color: var(--ink);
}

.players__viewport {
  overflow: hidden;
  margin-top: 60px;
}

.players__track {
  display: flex;
  will-change: transform;
  transition: transform 0.45s ease;
}

.player-card {
  flex: 0 0 calc(100% / 3);
  min-width: 0;
  padding: 0 37px;
  text-align: center;
}

.player-card img {
  width: min(100%, 320px);
  aspect-ratio: 1;
  margin: 0 auto;
  border-radius: 50%;
  object-fit: contain;
  object-position: center bottom;
  padding: 30px 0px 0;
  background:
    url("assets/participant-bg.png") center / cover no-repeat,
    var(--paper);
}

.player-card h3 {
  margin: 28px 0 0;
  font-size: 24px;
  line-height: 1.2;
}

.player-card p {
  margin: 6px 0 0;
  color: rgba(49, 49, 49, 0.6);
  font-size: 20px;
  line-height: 1.2;
}

.player-card a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 35px;
  margin-top: 20px;
  border: 1px solid var(--blue);
  border-radius: 62px;
  padding: 7px 12px;
  color: var(--blue);
  font-weight: 600;
  text-decoration: none;
  transition: color 0.2s ease, background-color 0.2s ease;
}

.player-card a:hover {
  color: #fff;
  background: var(--blue);
}

.ticker--bottom {
  margin-top: 60px;
}

.footer {
  padding: 40px 0 68px;
  color: rgba(49, 49, 49, 0.62);
  background: var(--paper);
  font-size: 16px;
  line-height: 1.2;
}

.footer p {
  max-width: 1120px;
  margin: 0;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes ticker {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

@media (max-width: 1020px) {
  .hero {
    min-height: 800px;
  }

  .hero::before {
    background:
      url("assets/paper-texture.jpg") center / 640px auto repeat;
  }

  .hero__scene {
    right: auto;
    width: 126vw;
    max-width: none;
    bottom: -13px;
    transform: translateX(-50%);
  }

  .hero__content {
    padding-top: 42px;
  }

  .lecture,
  .session {
    grid-template-columns: 1fr;
  }

  .lecture {
    gap: 26px;
  }

  .lecture img {
    width: min(100%, 420px);
    justify-self: center;
  }

  .session__image {
    max-width: 520px;
    margin-inline: auto;
  }

  .section-head p {
    left: 250px;
    top: 64px;
    max-width: 220px;
  }

  .stage-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .stage-slide:nth-child(2) .stage-card {
    grid-row: auto;
  }

  .stage-card--wide {
    grid-column: span 2;
    padding-right: 250px;
  }

  .player-card {
    flex-basis: 50%;
  }
}

@media (max-width: 700px) {
  .container {
    width: min(100% - 40px, 520px);
  }

  .hero {
    min-height: 800px;
  }

  .hero::before {
    background:
      url("assets/paper-texture.jpg") center / 520px auto repeat;
  }

  .hero__scene {
    left: 10%;
    right: auto;
    bottom: -13px;
    width: max(100vw, 820px);
    max-width: none;
    transform: translateX(-50%);
  }

  .hero__inner {
    padding-top: 18px;
  }

  .logo {
    width: 213px;
    height: 31px;
  }

  .hero__content {
    padding-top: 40px;
  }

  h1 {
    font-size: clamp(34px, 10.4vw, 42px);
  }

  .hero__content p {
    text-align: left;
  }

  .hero__actions {
    grid-template-columns: 1fr;
    gap: 14px;
    margin-top: 32px;
  }

  .button {
    min-height: 47px;
    padding: 12px 18px;
  }

  .button--light {
    border-color: transparent;
    background: #fff;
  }

  .ticker__track {
    padding: 10px 0;
    font-size: 16px;
    animation-duration: 28s;
  }

  .section {
    padding: 48px 0;
  }

  .lecture h2,
  .session h2 {
    font-size: 28px;
  }

  .lecture h2 {
    display: contents;
  }

  .lecture__lead,
  .lecture__tail {
    display: block;
  }

  .lecture__lead {
    order: 1;
  }

  .lecture img {
    order: 2;
    width: 100%;
  }

  .lecture__tail {
    order: 3;
  }

  .session {
    gap: 24px;
    margin-top: 36px;
  }

  .session__image img {
    min-height: 320px;
  }

  .event-table {
    margin-top: 30px;
    font-size: 20px;
  }

  .event-table div {
    display: block;
    padding: 15px 0;
  }

  .event-table dt,
  .event-table dd {
    padding: 0;
    border: 0;
  }

  .event-table dd {
    padding-top: 12px;
  }

  .note {
    font-size: 18px;
  }

  .section-head {
    display: block;
  }

  .section-head p {
    position: static;
    max-width: 280px;
    margin: 12px 0 0;
  }

  .stage-carousel {
    margin-top: 134px;
  }

  .stage-carousel__viewport {
    overflow: hidden;
  }

  .stage-grid {
    display: flex;
    gap: 0;
    transition: transform 0.35s ease;
  }

  .stage-slide {
    flex: 0 0 100%;
    min-height: 300px;
    display: grid;
    align-content: start;
    gap: 28px;
    padding: 60px 20px 28px;
    background:
      linear-gradient(rgba(255,255,255,0.08), rgba(255,255,255,0.08)),
      url("assets/step-bg.png") center / cover;
  }

  .stage-card {
    min-height: auto;
    align-content: start;
    padding: 0;
    background: none;
    font-size: 18px;
  }

  .stage-slide:nth-child(2),
  .stage-slide:nth-child(4),
  .stage-slide--wide {
    align-content: start;
  }

  .stage-card--wide {
    padding-right: 20px;
  }

  .stage-plane {
    top: -140px;
    right: 18px;
    bottom: auto;
    width: 338px;
    max-width: 90vw;
    z-index: 2;
  }

  .stage-controls {
    display: flex;
  }

  .players {
    padding-top: 70px;
  }

  .players__head {
    display: block;
    padding-right: 0;
  }

  .players-controls {
    position: static;
    justify-content: center;
    margin-top: 32px;
  }

  .players__viewport {
    margin-top: 40px;
  }

  .player-card {
    flex-basis: 100%;
    padding: 0;
  }

  .player-card img {
    width: min(100%, 320px);
    aspect-ratio: 1;
    margin: 0 auto;
    border-radius: 50%;
    object-fit: contain;
    object-position: center bottom;
    padding: 30px 0px 0;
    background:
      url("assets/participant-bg.png") center / cover no-repeat,
      var(--paper);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
  }
}