:root {
  color-scheme: light;
  --bg: #f5f1e6;
  --bg-shadow: #e3dcc9;
  --ink: #2a1f15;
  --line: #5a4633;
  --accent: #b0602f;
}

@font-face {
  font-family: "TSP Machina 1 Caps";
  src: url("fonts/tsp machina 1 capsn.ttf") format("truetype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "TSP Machina 1 Italic";
  src: url("fonts/tsp machina 1i.ttf") format("truetype");
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}

@font-face {
  font-family: "TSP Machina 2";
  src: url("fonts/tsp machina 2.ttf") format("truetype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "TSP Machina 1 Caps", "Palatino Linotype", "Book Antiqua", Palatino, serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 20% 20%, rgba(90, 70, 51, 0.12), transparent 55%),
    radial-gradient(circle at 80% 10%, rgba(176, 96, 47, 0.12), transparent 40%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-shadow) 100%);
}

[data-modal-open="true"] {
  overflow: hidden;
}

[hidden] {
  display: none !important;
}

.page {
  max-width: 520px;
  margin: 0 auto;
  padding: 48px 22px 64px;
}

.hero {
  text-align: center;
  margin-bottom: 36px;
}

.hero h1 {
  margin: 0 0 8px;
  font-size: clamp(2rem, 5vw, 2.8rem);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.subtitle {
  margin: 0;
  font-size: 0.95rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
}

.about-link {
  margin-top: 12px;
  border: none;
  background: transparent;
  color: rgba(42, 31, 21, 0.65);
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  cursor: pointer;
}

.about-link:hover,
.about-link:focus-visible {
  color: var(--accent);
}

.about-panel {
  position: fixed;
  inset: 0;
  z-index: 11;
  display: grid;
  place-items: center;
  padding: 48px 22px;
  background: rgba(35, 26, 18, 0.45);
  backdrop-filter: blur(2px);
}

.about-modal {
  position: relative;
  width: min(700px, 100%);
  padding: 32px 28px 36px;
  background:
    radial-gradient(circle at 10% 12%, rgba(90, 70, 51, 0.14), transparent 45%),
    radial-gradient(circle at 90% 18%, rgba(176, 96, 47, 0.12), transparent 40%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-shadow) 100%);
  border: 1px solid rgba(198, 183, 155, 0.6);
  box-shadow: 0 24px 60px rgba(42, 31, 21, 0.35);
  border-radius: 12px;
}

.about-title {
  margin: 0 0 12px;
  font-size: clamp(1.4rem, 4vw, 2rem);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.about-copy {
  margin: 0 0 14px;
  font-family: "TSP Machina 1 Italic", "TSP Machina 1 Caps", "Palatino Linotype", "Book Antiqua", Palatino, serif;
  letter-spacing: 0.04em;
  line-height: 1.5;
}

.player-panel {
  position: fixed;
  inset: 0;
  z-index: 10;
  padding: 48px 22px 64px;
  display: grid;
  place-items: center;
  background: rgba(35, 26, 18, 0.45);
  backdrop-filter: blur(2px);
}

.player-modal {
  position: relative;
  width: min(900px, 100%);
  padding: 28px 26px 30px;
  background:
    radial-gradient(circle at 10% 12%, rgba(90, 70, 51, 0.14), transparent 45%),
    radial-gradient(circle at 90% 18%, rgba(176, 96, 47, 0.12), transparent 40%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-shadow) 100%);
  border: 1px solid rgba(198, 183, 155, 0.6);
  box-shadow: 0 24px 60px rgba(42, 31, 21, 0.35);
  border-radius: 12px;
}

.close-modal {
  position: absolute;
  top: 24px;
  right: 18px;
  border: none;
  background: transparent;
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(42, 31, 21, 0.45);
  cursor: pointer;
}

.close-modal:hover,
.close-modal:focus-visible {
  color: var(--accent);
}
}

.player-header {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.egg-meta {
  margin: 0 0 6px;
  font-family: "TSP Machina 1 Italic", "TSP Machina 1 Caps", "Palatino Linotype", "Book Antiqua", Palatino, serif;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: 0.75rem;
  color: var(--accent);
}

.egg-title {
  margin: 0;
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.player-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  width: 100%;
}

.back-link {
  border: none;
  background: none;
  padding: 0;
  text-decoration: none;
  color: inherit;
  font: inherit;
  font-size: 0.85rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  cursor: pointer;
}

.back-link:hover,
.back-link:focus-visible {
  color: var(--accent);
}

.size-toggle {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: 8px;
  width: 100%;
  justify-content: flex-start;
}

.size-toggle button {
  border: 1px solid rgba(198, 183, 155, 0.8);
  background: transparent;
  color: inherit;
  padding: 6px 12px;
  font: inherit;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: pointer;
}

.size-toggle button.is-active {
  background: rgba(198, 183, 155, 0.8);
  color: #2a1f15;
}

.size-toggle[data-hide-size="true"] button[data-size] {
  display: none;
}

.size-toggle .restart {
  margin-left: auto;
}

.size-toggle .fullscreen {
  margin-left: 8px;
}

.player-frame {
  border: 2px solid rgba(198, 183, 155, 0.85);
  box-shadow: 0 18px 40px rgba(42, 31, 21, 0.18);
  padding: 18px;
  background: rgba(255, 250, 240, 0.35);
}

.player-shell {
  width: min(100%, var(--player-width, 350px));
  aspect-ratio: var(--player-ratio, 1 / 1);
  background: #1c130d;
  display: grid;
  place-items: center;
  margin: 0 auto;
}

.player-shell[data-size="full"] {
  width: 100%;
}

.player-shell p {
  margin: 0;
  padding: 16px;
  text-align: center;
  color: #e4d7c1;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.75rem;
}

.timeline {
  position: relative;
  display: grid;
  --spine-gap: clamp(26px, 4vw, 40px);
  --branch-length: clamp(32px, 6vw, 50px);
  --branch-gap: 10px;
  grid-template-columns: minmax(0, 1fr) var(--spine-gap, 40px) minmax(0, 1fr);
  row-gap: 28px;
  align-items: center;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background:
    linear-gradient(
      180deg,
      rgba(90, 70, 51, 0.14) 0%,
      rgba(90, 70, 51, 0.5) 7%,
      rgba(90, 70, 51, 0.28) 16%,
      rgba(90, 70, 51, 0.72) 25%,
      rgba(90, 70, 51, 0.3) 36%,
      rgba(90, 70, 51, 0.82) 48%,
      rgba(90, 70, 51, 0.26) 60%,
      rgba(90, 70, 51, 0.78) 70%,
      rgba(90, 70, 51, 0.32) 82%,
      rgba(90, 70, 51, 0.18) 100%
    );
  transform: translateX(-1px);
  filter: blur(0.25px);
}

.node {
  position: relative;
  --offset: 0px;
  display: inline-flex;
  flex-direction: column;
  gap: 10px;
  text-decoration: none;
  color: inherit;
  max-width: 100%;
  transform: translateY(var(--offset));
  transition: transform 160ms ease, color 160ms ease;
}

.node img {
  width: clamp(90px, 30vw, 120px);
  height: auto;
  filter: drop-shadow(0 10px 18px rgba(42, 31, 21, 0.25));
  transition: transform 160ms ease;
}

.egg-image {
  position: relative;
  display: inline-block;
}

.node .label {
  font-size: 0.95rem;
  font-family: "TSP Machina 1 Italic", "TSP Machina 1 Caps", "Palatino Linotype", "Book Antiqua", Palatino, serif;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  max-width: 100%;
  overflow-wrap: anywhere;
  text-align: center;
}

.node.left {
  grid-column: 1 / 2;
  text-align: right;
  align-items: center;
  padding-right: var(--branch-length, 50px);
  margin-bottom: 200px;
}

.node.right {
  grid-column: 3 / 4;
  text-align: left;
  align-items: center;
  padding-left: var(--branch-length, 50px);
  margin-top: 200px;
}

.node.center {
  grid-column: 1 / 4;
  align-items: center;
  text-align: center;
  padding-top: 10px;
}

.node:nth-child(even) {
  --offset: 18px;
}

#play-button {
  display: grid;
  place-items: center;
  width: 100%;
  height: 100%;
  background:
    radial-gradient(circle at 50% 45%, rgba(226, 214, 191, 0.35), transparent 55%),
    linear-gradient(180deg, rgba(28, 19, 13, 0.8), rgba(14, 9, 6, 0.9));
  border: 1px solid rgba(198, 183, 155, 0.6);
  box-shadow: inset 0 0 18px rgba(42, 31, 21, 0.4);
}

#play-button .icon {
  width: 110px;
  height: 110px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 35% 35%, rgba(255, 255, 255, 0.35), transparent 55%),
    linear-gradient(145deg, #cbb593, #8a6f4d);
  box-shadow:
    0 10px 24px rgba(42, 31, 21, 0.35),
    inset 0 0 18px rgba(255, 248, 233, 0.4);
  display: grid;
  place-items: center;
  transition: transform 180ms ease, box-shadow 180ms ease;
}

#play-button .icon svg {
  width: 70%;
  height: 70%;
  filter: drop-shadow(0 4px 8px rgba(42, 31, 21, 0.35));
}

#play-button:hover .icon,
#play-button:focus-visible .icon {
  transform: translateY(-2px) scale(1.02);
  box-shadow:
    0 14px 30px rgba(42, 31, 21, 0.4),
    inset 0 0 18px rgba(255, 248, 233, 0.5);
}

#play-button:focus-visible {
  outline: 2px dashed var(--accent);
  outline-offset: 8px;
}

.node.left .egg-image::after,
.node.right .egg-image::after {
  content: "";
  position: absolute;
  top: 50%;
  width: max(
    0px,
    calc(
      var(--to-spine, calc(var(--branch-length, 50px) + (var(--spine-gap, 40px) / 2)))
        - var(--branch-gap, 10px)
    )
  );
  height: 2px;
  background:
    linear-gradient(
      90deg,
      rgba(90, 70, 51, 0.15) 0%,
      rgba(90, 70, 51, 0.55) 18%,
      rgba(90, 70, 51, 0.3) 36%,
      rgba(90, 70, 51, 0.75) 52%,
      rgba(90, 70, 51, 0.25) 70%,
      rgba(90, 70, 51, 0.2) 100%
    );
  filter: blur(0.2px);
  transform: translateY(-50%);
}

.node.left .egg-image::after {
  right: calc(-1 * var(--to-spine, calc(var(--branch-length, 50px) + (var(--spine-gap, 40px) / 2))));
}

.node.right .egg-image::after {
  left: calc(-1 * var(--to-spine, calc(var(--branch-length, 50px) + (var(--spine-gap, 40px) / 2))));
}

.node:hover,
.node:focus-visible {
  color: var(--accent);
}

.node:hover img,
.node:focus-visible img {
  transform: translateY(-2px);
}

.node:focus-visible {
  outline: 2px dashed var(--accent);
  outline-offset: 6px;
}

.egg8 {
    margin-bottom: 100px;
}

.egg9 {
    width: 100%;
}

@media (max-width: 520px) {
  .page {
    padding: 40px 16px 56px;
  }

  .player-panel {
    padding: 0;
  }

  .player-modal {
    padding: 24px 16px 32px;
    border-radius: 0;
    width: 100%;
    min-height: 100%;
  }

  .about-panel {
    padding: 0;
  }

  .about-modal {
    padding: 24px 16px 32px;
    border-radius: 0;
    width: 100%;
    min-height: 100%;
  }

  .player-actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .size-toggle {
    margin-left: 0;
    flex-wrap: wrap;
    width: 100%;
  }

  .size-toggle button {
    flex: 1 1 45%;
  }

  .timeline {
    --spine-gap: clamp(24px, 9vw, 40px);
    row-gap: clamp(20px, 6vw, 28px);
  }

  .node.left,
  .node.right {
    --branch-length: clamp(36px, 12vw, 56px);
    max-width: 45vw;
  }

  .node.left {
    margin-bottom: 200px;
  }

  .node.right {
    margin-top: 200px;
  }

  .node.left .egg-image::after,
  .node.right .egg-image::after {
    width: max(
      0px,
      calc(
        var(--to-spine, calc(var(--branch-length, 50px) + (var(--spine-gap, 40px) / 2)))
          - var(--branch-gap, 10px)
      )
    );
  }

  .node.left .egg-image::after {
    right: calc(-1 * var(--to-spine, calc(var(--branch-length, 50px) + (var(--spine-gap, 40px) / 2))));
  }

  .node.right .egg-image::after {
    left: calc(-1 * var(--to-spine, calc(var(--branch-length, 50px) + (var(--spine-gap, 40px) / 2))));
  }

  .node img {
    width: clamp(90px, 36vw, 120px);
  }

  .node:nth-child(even) {
    --offset: 12px;
  }
}