* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  background: #080808;
  color: #f4f1e9;
  font-family:
    Inter,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
}

/* =========================
   GLOBAL
========================= */

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
}

/* =========================
   NAVBAR
========================= */

.navbar {
  height: 76px;

  display: flex;
  align-items: center;
  justify-content: space-between;

  padding: 0 5vw;

  border-bottom: 1px solid #222;

  position: sticky;
  top: 0;

  z-index: 100;

  background: rgba(8, 8, 8, 0.92);

  backdrop-filter: blur(14px);
}

.logo {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.8px;
}

.logo span {
  color: #c8b678;
}

.nav-links {
  display: flex;
  gap: 35px;

  color: #888;

  font-size: 14px;
}

.nav-links a {
  transition: 0.2s;
}

.nav-links a:hover {
  color: white;
}

.nav-button {
  border: 1px solid #3a3a3a;

  border-radius: 100px;

  padding: 10px 18px;

  font-size: 13px;

  transition: 0.2s;
}

.nav-button:hover {
  border-color: #777;
}

/* =========================
   HERO
========================= */

.hero {
  min-height: calc(100vh - 76px);

  padding: 90px 20px 120px;

  display: flex;
  flex-direction: column;
  align-items: center;

  text-align: center;

  background: radial-gradient(circle at 50% 25%, #1b1914 0%, #080808 45%);
}

.live-label,
.section-label {
  font-size: 11px;

  font-weight: 800;

  letter-spacing: 2px;

  color: #999;
}

.live-dot {
  width: 7px;
  height: 7px;

  display: inline-block;

  border-radius: 50%;

  background: #b7d76c;

  margin-right: 8px;

  box-shadow: 0 0 12px rgba(183, 215, 108, 0.7);
}

.hero h1 {
  margin-top: 30px;

  font-size: clamp(70px, 12vw, 155px);

  line-height: 0.82;

  letter-spacing: -8px;

  font-weight: 850;
}

.hero h1 span {
  font-family: Georgia, serif;

  font-weight: 400;

  color: #cbb97e;
}

.hero-description {
  max-width: 560px;

  margin-top: 35px;

  color: #929292;

  font-size: 17px;

  line-height: 1.6;
}

/* =========================
   GAME
========================= */

.game-container {
  width: min(680px, 100%);

  margin-top: 55px;

  padding: 18px;

  background: #0d0d0d;

  border: 1px solid #292929;

  box-shadow: 0 40px 100px rgba(0, 0, 0, 0.5);
}

.game-header {
  display: flex;

  justify-content: space-between;

  align-items: center;

  text-align: left;

  padding: 5px 5px 18px;
}

.game-header small,
.move-info small {
  display: block;

  color: #666;

  font-size: 9px;

  letter-spacing: 1.5px;

  margin-bottom: 5px;
}

.game-header strong {
  font-size: 13px;
}

.watching {
  color: #858585;

  font-size: 11px;
}

/* =========================
   CHESS BOARD
========================= */

.chessboard {
  width: 100%;

  aspect-ratio: 1 / 1;

  display: grid;

  grid-template-columns: repeat(8, 1fr);

  grid-template-rows: repeat(8, 1fr);

  border: 5px solid #171717;

  overflow: hidden;
}

.square {
  display: flex;

  justify-content: center;

  align-items: center;

  font-family: Georgia, "Times New Roman", serif;

  font-size: clamp(22px, 5vw, 48px);

  line-height: 1;

  user-select: none;
}

.square.light {
  background: #c3ad79;
}

.square.dark {
  background: #806d4d;
}

.square:nth-child(1),
.square:nth-child(2) {
  text-shadow: 0 2px 1px rgba(255, 255, 255, 0.15);
}

/* =========================
   MOVE INFO
========================= */

.move-info {
  display: grid;

  grid-template-columns:
    1fr
    1fr
    1fr;

  align-items: center;

  padding: 20px 5px 12px;

  text-align: left;
}

.move-info strong {
  font-size: 22px;
}

.turn {
  text-align: center;

  color: #ccc;

  font-size: 10px;

  letter-spacing: 1.4px;
}

.price {
  text-align: right;
}

.price strong {
  color: #dec681;

  font-size: 25px;
}

/* =========================
   CTA
========================= */

.move-button {
  width: 100%;

  border: none;

  background: #d7c27c;

  color: #111;

  padding: 18px;

  font-size: 13px;

  font-weight: 850;

  letter-spacing: 0.4px;

  cursor: pointer;

  transition:
    background 0.2s,
    transform 0.2s;
}

.move-button:hover {
  background: #ead58f;

  transform: translateY(-1px);
}

.move-button span {
  float: right;

  font-size: 20px;

  line-height: 12px;
}

.demo-text {
  color: #555;

  font-size: 10px;

  margin-top: 12px;
}

/* =========================
   ATTENTION
========================= */

.attention,
.how-it-works,
.recent-moves {
  max-width: 1100px;

  margin: auto;

  padding: 130px 5vw;
}

.attention h2 {
  margin-top: 25px;

  font-size: clamp(45px, 7vw, 90px);

  line-height: 0.95;

  letter-spacing: -4px;
}

.attention h2 span {
  font-family: Georgia, serif;

  color: #c8b678;

  font-weight: 400;
}

.attention p {
  max-width: 600px;

  margin-top: 30px;

  color: #8d8d8d;

  font-size: 18px;

  line-height: 1.7;
}

/* =========================
   HOW IT WORKS
========================= */

.how-it-works {
  border-top: 1px solid #222;
}

.steps {
  display: grid;

  grid-template-columns: repeat(4, 1fr);

  gap: 25px;

  margin-top: 55px;
}

.steps article {
  border-top: 1px solid #393939;

  padding-top: 18px;
}

.steps article > span {
  color: #666;

  font-size: 11px;
}

.steps h3 {
  margin-top: 28px;

  font-size: 18px;
}

.steps p {
  margin-top: 12px;

  color: #777;

  font-size: 14px;

  line-height: 1.6;
}

/* =========================
   RECENT MOVES
========================= */

.recent-moves {
  border-top: 1px solid #222;
}

.recent-header {
  display: flex;

  justify-content: space-between;

  align-items: center;

  margin: 25px 0 40px;
}

.recent-header h2 {
  font-size: clamp(40px, 6vw, 70px);

  line-height: 0.9;

  letter-spacing: -3px;
}

.live-status {
  color: #b7d76c;

  font-size: 10px;

  letter-spacing: 2px;
}

.moves-list {
  border-top: 1px solid #292929;
}

.move-row {
  display: grid;

  grid-template-columns:
    70px
    1fr
    80px
    60px;

  gap: 15px;

  align-items: center;

  padding: 20px 0;

  border-bottom: 1px solid #222;

  font-size: 14px;
}

.move-row > span:first-child {
  color: #666;
}

.move-row > span {
  color: #777;
}

.move-row small {
  color: #777;

  text-align: right;
}

/* =========================
   FOOTER
========================= */

footer {
  border-top: 1px solid #222;

  padding: 30px 5vw;

  display: flex;

  justify-content: space-between;

  color: #777;

  font-size: 12px;
}

.footer-logo {
  color: #eee;

  font-weight: 700;
}

.footer-logo span {
  color: #c8b678;
}

/* =========================
   MOBILE
========================= */

@media (max-width: 700px) {
  .navbar {
    padding: 0 20px;
  }

  .nav-links {
    display: none;
  }

  .nav-button {
    font-size: 11px;
  }

  .hero {
    padding: 70px 18px 90px;
  }

  .hero h1 {
    letter-spacing: -4px;
  }

  .hero-description {
    font-size: 15px;
  }

  .game-container {
    margin-top: 45px;

    padding: 10px;
  }

  .move-info {
    padding-top: 18px;
  }

  .turn {
    font-size: 8px;

    letter-spacing: 1px;
  }

  .price strong {
    font-size: 20px;
  }

  .attention,
  .how-it-works,
  .recent-moves {
    padding: 90px 22px;
  }

  .steps {
    grid-template-columns: 1fr 1fr;

    gap: 25px;
  }

  .move-row {
    grid-template-columns:
      45px
      1fr
      45px
      45px;

    font-size: 11px;
  }

  footer {
    padding: 25px 20px;
  }
}