:root {
  --bg: #050816;
  --bg-soft: #0b1330;
  --panel: rgba(10, 18, 42, 0.84);
  --panel-stroke: rgba(114, 190, 255, 0.22);
  --text: #f7f2e8;
  --muted: #9bb1d4;
  --yellow: #ffd84d;
  --cyan: #57e6ff;
  --pink: #ff6ac1;
  --blue: #203cff;
  --grid: rgba(87, 230, 255, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Trebuchet MS", "Gill Sans", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top, rgba(34, 88, 255, 0.22), transparent 28%),
    radial-gradient(circle at 20% 20%, rgba(255, 106, 193, 0.18), transparent 22%),
    linear-gradient(180deg, #071129 0%, #040611 60%, #02030a 100%);
  min-height: 100vh;
}

body.screen-open {
  overflow: hidden;
}

body.screen-open::-webkit-scrollbar {
  width: 0;
  height: 0;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
  opacity: 0.4;
}

.page-shell {
  width: min(1280px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 0;
  transition: transform 720ms cubic-bezier(0.22, 1, 0.36, 1), opacity 240ms ease;
  will-change: transform;
}

body.offcanvas-open .page-shell {
  transform: translateX(calc(-100vw - 40px));
}

.panel-kicker,
.hud,
.event-log-title {
  font-family: "Courier New", "Lucida Console", monospace;
  letter-spacing: 0.08em;
}

.panel-kicker {
  color: var(--cyan);
  font-size: 0.72rem;
}

.panel-description,
.panel-card p,
.track-block p {
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.6;
}

.panel-card,
.track-block {
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.04);
  border-radius: 20px;
}

.experience {
  display: grid;
  grid-template-columns: minmax(320px, 560px) minmax(320px, 1fr);
  gap: 24px;
  position: sticky;
  top: 0;
  min-height: 100vh;
  align-items: start;
  padding: 18px 0;
  z-index: 2;
}

.playfield {
  position: relative;
  min-height: 420vh;
  margin-top: 0;
}

.sticky-stage {
  display: grid;
  gap: 10px;
}

.canvas-wrap {
  position: relative;
}

.hud {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  font-size: 0.7rem;
  border-radius: 16px;
  background: rgba(8, 13, 32, 0.9);
  border: 1px solid var(--panel-stroke);
}

#gameCanvas {
  width: 100%;
  height: auto;
  display: block;
  border: 1px solid rgba(87, 230, 255, 0.2);
  border-radius: 28px;
  background:
    radial-gradient(circle at 50% 0%, rgba(255, 216, 77, 0.1), transparent 35%),
    linear-gradient(180deg, #050816 0%, #09102a 100%);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.04), 0 30px 80px rgba(0, 0, 0, 0.45);
}

.dot-tooltip {
  position: absolute;
  left: 0;
  top: 0;
  min-width: 156px;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid rgba(87, 230, 255, 0.35);
  background: rgba(6, 12, 31, 0.95);
  box-shadow: 0 14px 28px rgba(0, 0, 0, 0.32);
  transform: translate(-50%, calc(-100% - 12px));
  pointer-events: none;
}

.dot-tooltip-label,
.dot-tooltip-title {
  font-family: "Courier New", "Lucida Console", monospace;
}

.dot-tooltip-label {
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.dot-tooltip-title {
  margin-top: 6px;
  color: var(--yellow);
  font-size: 0.86rem;
  line-height: 1.4;
}

.gameover-panel {
  position: absolute;
  left: 50%;
  bottom: 228px;
  width: min(100% - 40px, 420px);
  padding: 22px 20px 20px;
  border-radius: 22px;
  border: 1px solid rgba(87, 230, 255, 0.22);
  background: rgba(6, 12, 31, 0.9);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.4);
  text-align: center;
  transform: translateX(-50%) translateY(22px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 260ms ease, transform 260ms ease;
}

.gameover-panel.is-visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
}

.gameover-kicker {
  margin: 0;
  font-family: "Courier New", "Lucida Console", monospace;
  color: var(--cyan);
  letter-spacing: 0.1em;
  font-size: 0.75rem;
}

.gameover-panel h2 {
  margin: 10px 0 6px;
  font-size: clamp(1.4rem, 3vw, 2rem);
  line-height: 0.95;
}

.gameover-score {
  margin: 0 0 18px;
  color: var(--yellow);
  font-family: "Courier New", "Lucida Console", monospace;
  font-size: 1rem;
  letter-spacing: 0.08em;
}

.gameover-kicker {
  font-size: 1.2rem;
}

.gameover-description {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 0.98rem;
  line-height: 1.55;
}

.gameover-button {
  padding: 12px 16px;
  border-radius: 999px;
  border: 1px solid rgba(255, 216, 77, 0.24);
  background: rgba(255, 216, 77, 0.12);
  color: var(--yellow);
  font-family: "Courier New", "Lucida Console", monospace;
  cursor: pointer;
}

.contact-modal {
  position: fixed;
  inset: 0;
  z-index: 70;
  display: grid;
  place-items: center;
}

.contact-modal[hidden] {
  display: none;
}

.contact-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(2, 5, 16, 0.72);
  backdrop-filter: blur(10px);
}

.contact-modal-card {
  position: relative;
  z-index: 1;
  width: min(100vw - 32px, 560px);
  padding: 24px;
  border-radius: 28px;
  border: 1px solid rgba(87, 230, 255, 0.24);
  background: rgba(6, 12, 31, 0.96);
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.45);
}

.contact-modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.contact-modal-card h2 {
  margin: 10px 0 18px;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 0.95;
}

.contact-field {
  display: grid;
  gap: 8px;
  margin-top: 14px;
}

.contact-field span {
  color: var(--muted);
  font-size: 0.92rem;
}

.contact-field input,
.contact-field textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: 16px;
  border: 1px solid rgba(87, 230, 255, 0.16);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  outline: none;
  resize: vertical;
}

.contact-submit {
  margin-top: 18px;
}

.panel-frame {
  padding: 24px;
  border-radius: 28px;
  background: var(--panel);
  border: 1px solid var(--panel-stroke);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(12px);
  overflow: hidden;
  min-height: calc(100vh - 36px);
}

.panel-frame h2,
.panel-card h3 {
  margin: 10px 0 8px;
}

.panel-copy {
  opacity: 1;
  transform: translateX(0);
}

.panel-copy.is-sliding {
  animation: panel-slide 420ms cubic-bezier(0.22, 1, 0.36, 1);
}

.panel-frame h2 {
  font-size: clamp(2rem, 4vw, 3.3rem);
  line-height: 0.95;
}

.panel-card {
  padding: 18px;
  margin-top: 18px;
}

.panel-flip-link,
.panel-back-link {
  margin-top: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid rgba(87, 230, 255, 0.26);
  background: rgba(87, 230, 255, 0.08);
  color: var(--cyan);
  font-family: "Courier New", "Lucida Console", monospace;
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease;
}

.panel-flip-link:hover,
.panel-back-link:hover {
  transform: translateY(-1px);
  background: rgba(87, 230, 255, 0.14);
  border-color: rgba(87, 230, 255, 0.42);
}

.panel-side-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.panel-side-kicker {
  font-family: "Courier New", "Lucida Console", monospace;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.panel-side-body {
  margin-top: 16px;
  display: grid;
  gap: 14px;
}

.detail-block {
  opacity: 0;
  transform: translateX(28px);
  transition:
    opacity 420ms ease,
    transform 420ms cubic-bezier(0.22, 1, 0.36, 1);
  transition-delay: var(--stagger-delay, 0ms);
}

.screen-flip {
  position: fixed;
  inset: 0;
  z-index: 50;
  padding: 20px;
  overflow-y: auto;
  overscroll-behavior: contain;
  pointer-events: none;
  transform: translateX(100%);
  opacity: 0;
  transition:
    transform 720ms cubic-bezier(0.22, 1, 0.36, 1),
    opacity 240ms ease;
  background:
    linear-gradient(180deg, rgba(4, 8, 24, 0.78), rgba(3, 5, 14, 0.88));
}

body.offcanvas-open .screen-flip {
  transform: translateX(0);
  opacity: 1;
  pointer-events: auto;
}

.screen-face-shell {
  width: min(1360px, calc(100vw - 40px));
  min-height: calc(100vh - 40px);
  margin-left: auto;
  padding: 28px 92px 28px 28px;
  border-radius: 32px;
  border: 1px solid rgba(87, 230, 255, 0.2);
  background:
    radial-gradient(circle at 20% 10%, rgba(87, 230, 255, 0.12), transparent 22%),
    radial-gradient(circle at 80% 0%, rgba(255, 106, 193, 0.14), transparent 22%),
    linear-gradient(180deg, rgba(5, 11, 31, 0.92), rgba(5, 11, 31, 0.96));
  box-shadow: 0 40px 120px rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(18px);
  position: relative;
  overflow: visible;
}

.screen-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity 420ms ease,
    transform 420ms cubic-bezier(0.22, 1, 0.36, 1);
}

.screen-topbar-title {
  font-family: "Courier New", "Lucida Console", monospace;
  color: var(--yellow);
  letter-spacing: 0.12em;
}

.screen-breadcrumb {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  position: relative;
  z-index: 20;
}

.screen-breadcrumb-path {
  color: var(--muted);
  font-family: "Courier New", "Lucida Console", monospace;
  font-size: 0.84rem;
  letter-spacing: 0.04em;
}

.breadcrumb-current {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding-bottom: 22px;
  margin-bottom: -22px;
}

.breadcrumb-current::after {
  content: "";
  position: absolute;
  top: 100%;
  left: -12px;
  right: -12px;
  height: 22px;
}

.breadcrumb-current-button {
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--muted);
  font: inherit;
  letter-spacing: inherit;
  cursor: pointer;
}

.breadcrumb-current-button:hover {
  color: var(--yellow);
}

.breadcrumb-menu {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  min-width: 220px;
  padding: 10px;
  border-radius: 14px;
  border: 1px solid rgba(87, 230, 255, 0.16);
  background: rgba(6, 12, 31, 0.96);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
  display: grid;
  gap: 6px;
  opacity: 0;
  pointer-events: none;
  transform: translateY(6px);
  transition: opacity 180ms ease, transform 180ms ease;
  z-index: 40;
}

.breadcrumb-current:hover .breadcrumb-menu,
.breadcrumb-current:focus-within .breadcrumb-menu {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.breadcrumb-menu button {
  width: 100%;
  padding: 10px 12px;
  border: 0;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--muted);
  text-align: left;
  font-family: "Courier New", "Lucida Console", monospace;
  cursor: pointer;
}

.breadcrumb-menu button:hover {
  background: rgba(87, 230, 255, 0.1);
  color: var(--text);
}

.breadcrumb-home {
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--cyan);
  font: inherit;
  letter-spacing: inherit;
  cursor: pointer;
}

.breadcrumb-home:hover {
  text-decoration: underline;
}

.screen-close {
  margin-top: 0;
  min-width: 44px;
  min-height: 44px;
  padding: 0;
  font-size: 1rem;
}

.screen-detail {
  margin-top: 28px;
  position: relative;
  z-index: 2;
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity 420ms ease,
    transform 420ms cubic-bezier(0.22, 1, 0.36, 1);
  padding-bottom: 32px;
}

.screen-detail-head h2 {
  margin: 10px 0 0;
}

.screen-detail-head {
  position: relative;
  z-index: 1;
}

.screen-detail-title {
  font-size: clamp(2.8rem, 7vw, 6rem);
  line-height: 0.9;
  letter-spacing: -0.04em;
  color: rgba(255, 255, 255, 0.98);
  text-shadow:
    0 1px 0 rgba(255, 255, 255, 0.8),
    0 8px 18px rgba(33, 10, 76, 0.22),
    0 18px 36px rgba(0, 0, 0, 0.18);
}

.screen-flip::-webkit-scrollbar {
  width: 0;
  height: 0;
}

body.offcanvas-open .screen-topbar {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 100ms;
}

body.offcanvas-open .screen-detail {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 190ms;
}

body.offcanvas-open .detail-block {
  opacity: 1;
  transform: translateX(0);
}

.screen-topbar {
  position: relative;
  z-index: 2;
}

.screen-rail {
  position: absolute;
  top: 104px;
  right: 26px;
  bottom: 26px;
  width: 42px;
  display: grid;
  justify-items: center;
  z-index: 3;
}

.screen-rail-track {
  position: relative;
  width: 24px;
  height: 100%;
}

.screen-rail-dot {
  position: absolute;
  left: 50%;
  width: 12px;
  height: 12px;
  border-radius: 999px;
  background: var(--yellow);
  box-shadow: 0 0 10px rgba(255, 216, 77, 0.5);
  transform: translate(-50%, -50%);
  transition: opacity 140ms ease, transform 140ms ease;
}

.screen-rail-dot.is-small {
  width: 5px;
  height: 5px;
  box-shadow: 0 0 6px rgba(255, 216, 77, 0.28);
}

.screen-rail-dot.is-major {
  width: 12px;
  height: 12px;
}

.screen-rail-dot.is-hidden {
  opacity: 0;
  transform: translate(-50%, -50%) scale(0.3);
}

.screen-rail-pacman {
  position: absolute;
  left: 50%;
  top: 0;
  width: 34px;
  height: 34px;
  margin-left: -17px;
  border-radius: 999px;
  --mouth-angle: 34deg;
  background: conic-gradient(
    from calc(var(--mouth-angle) * -0.5),
    transparent 0deg var(--mouth-angle),
    var(--yellow) var(--mouth-angle) 360deg
  );
  filter: drop-shadow(0 0 10px rgba(255, 216, 77, 0.4));
  transition: top 120ms linear, transform 120ms linear;
  animation: rail-pacman-mouth 280ms linear infinite;
}

.screen-rail-pacman::after {
  content: "";
  position: absolute;
  width: 5px;
  height: 5px;
  border-radius: 999px;
  background: #111;
  top: 9px;
  left: 8px;
}

.detail-block {
  padding: 14px 16px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.detail-block h4 {
  margin: 0 0 8px;
  color: var(--yellow);
  font-size: 0.94rem;
}

.detail-block p,
.detail-block li {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.detail-block ul {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 8px;
}

.detail-feature-grid {
  display: grid;
  gap: 14px;
}

.detail-feature-grid.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.detail-feature-grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.detail-card {
  padding: 14px 16px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid rgba(255, 255, 255, 0.07);
}

.detail-card h5 {
  margin: 0 0 8px;
  color: var(--yellow);
  font-size: 0.92rem;
}

.detail-card p,
.detail-card li {
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
}

.detail-card ul {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 8px;
}

.detail-mock {
  display: grid;
  place-items: center;
  min-height: 120px;
  border-radius: 16px;
  border: 1px dashed rgba(87, 230, 255, 0.3);
  background:
    linear-gradient(180deg, rgba(87, 230, 255, 0.08), rgba(255, 106, 193, 0.08));
  color: var(--cyan);
  font-family: "Courier New", "Lucida Console", monospace;
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.detail-section-title {
  margin: 0 0 10px;
  color: var(--text);
  font-size: 1.1rem;
}

.legacy-toggle {
  width: 100%;
  justify-content: space-between;
  margin-top: 0;
}

.legacy-toggle::after {
  content: "+";
  font-size: 1rem;
}

.legacy-toggle[aria-expanded="true"]::after {
  content: "-";
}

.legacy-panel {
  display: grid;
  gap: 14px;
  margin-top: 14px;
}

.legacy-panel[hidden] {
  display: none;
}

@media (max-width: 900px) {
  .detail-feature-grid.two,
  .detail-feature-grid.three {
    grid-template-columns: 1fr;
  }
}

.detail-role {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: baseline;
  flex-wrap: wrap;
  margin-bottom: 10px;
}

.detail-role strong {
  color: var(--text);
  font-size: 1rem;
}

.detail-role span {
  color: var(--cyan);
  font-family: "Courier New", "Lucida Console", monospace;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
}


.detail-gallery {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.detail-gallery span {
  display: grid;
  place-items: center;
  min-height: 72px;
  border-radius: 14px;
  background: linear-gradient(180deg, rgba(87, 230, 255, 0.18), rgba(255, 106, 193, 0.08));
  border: 1px solid rgba(87, 230, 255, 0.18);
  color: var(--text);
  font-size: 0.8rem;
}

.detail-timeline {
  display: grid;
  gap: 10px;
}

.detail-timeline span {
  display: block;
  padding-left: 16px;
  border-left: 2px solid rgba(87, 230, 255, 0.35);
  color: var(--muted);
}

.event-log {
  margin-top: 18px;
}

.event-log ul {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.event-log li {
  padding: 12px 14px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--muted);
  transform: translateX(0);
  transition: transform 220ms ease, background 220ms ease, color 220ms ease;
}

.event-log li.active {
  background: rgba(255, 216, 77, 0.12);
  color: var(--text);
  transform: translateX(6px);
}

.legend {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  margin-top: 22px;
  color: var(--muted);
}

.dot {
  display: inline-block;
  border-radius: 999px;
  margin-right: 8px;
}

.dot-small {
  width: 8px;
  height: 8px;
  background: #ffe59f;
}

.dot-big {
  width: 14px;
  height: 14px;
  background: var(--yellow);
  box-shadow: 0 0 18px rgba(255, 216, 77, 0.6);
}

.scroll-track {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  padding: 0;
}

.track-block {
  min-height: 100vh;
  padding: 28px;
  opacity: 0;
}

.track-block h2 {
  font-family: "Courier New", "Lucida Console", monospace;
  font-size: 1rem;
  color: var(--yellow);
  line-height: 1.7;
}

@media (max-width: 1024px) {
  .experience {
    grid-template-columns: 1fr;
  }

  .experience {
    align-content: center;
  }
}

@media (max-width: 720px) {
  .page-shell,
  .scroll-track {
    width: min(100vw - 20px, 100%);
  }

  .page-shell {
    width: min(100vw - 20px, 100%);
  }

  .panel-frame {
    padding: 18px;
    border-radius: 22px;
  }

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

@keyframes panel-slide {
  0% {
    opacity: 0;
    transform: translateX(42px);
  }

  100% {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes rail-pacman-mouth {
  0%,
  100% {
    --mouth-angle: 40deg;
  }

  50% {
    --mouth-angle: 16deg;
  }
}