:root {
  --bg: #09110f;
  --bg-soft: #101c19;
  --surface: rgba(15, 26, 22, 0.8);
  --surface-strong: rgba(18, 31, 26, 0.96);
  --line: rgba(255, 245, 221, 0.12);
  --text: #f6efdf;
  --muted: #b8b1a0;
  --accent: #f0c774;
  --accent-strong: #f6dd9a;
  --accent-cool: #89c3b6;
  --danger: #f08f7a;
  --shadow: 0 24px 64px rgba(0, 0, 0, 0.32);
  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 14px;
  --container: 1180px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Space Grotesk", "Trebuchet MS", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(137, 195, 182, 0.18), transparent 28%),
    radial-gradient(circle at 82% 12%, rgba(240, 199, 116, 0.22), transparent 24%),
    linear-gradient(160deg, #08100e 0%, #09110f 48%, #0f1b18 100%);
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.85), transparent 90%);
}

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

button {
  font: inherit;
}

.page-shell {
  position: relative;
  width: min(calc(100% - 2rem), var(--container));
  margin: 0 auto;
  padding: 1.25rem 0 3rem;
}

.ambient {
  position: fixed;
  width: 26rem;
  aspect-ratio: 1;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.35;
  pointer-events: none;
  z-index: 0;
}

.ambient-left {
  top: 6rem;
  left: -10rem;
  background: rgba(137, 195, 182, 0.18);
}

.ambient-right {
  top: 18rem;
  right: -9rem;
  background: rgba(240, 199, 116, 0.16);
}

.site-header,
.hero,
.games-section,
.about-section,
.site-footer {
  position: relative;
  z-index: 1;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 0 1rem;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: 0.82rem;
}

.brand-mark__crest {
  display: grid;
  place-items: center;
  width: 2.75rem;
  height: 2.75rem;
  border: 1px solid rgba(255, 245, 221, 0.22);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.02);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.04);
  font-family: "Cormorant Garamond", Georgia, serif;
  font-size: 1.35rem;
  font-weight: 700;
}

.brand-mark__text {
  color: var(--muted);
}

.site-nav {
  display: inline-flex;
  gap: 1.25rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.site-nav a {
  position: relative;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.35rem;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 180ms ease;
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after {
  transform: scaleX(1);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
  gap: 1.5rem;
  padding: 3rem 0 2rem;
}

.hero-copy,
.hero-panel,
.game-card,
.about-card {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.055), rgba(255, 255, 255, 0.015)),
    var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  backdrop-filter: blur(20px);
}

.hero-copy {
  padding: clamp(2rem, 4vw, 4rem);
  border-radius: min(3rem, 5vw);
}

.hero-panel {
  padding: 2rem;
  border-radius: var(--radius-lg);
  align-self: end;
}

.eyebrow,
.game-kicker,
.panel-kicker,
.about-card__index {
  margin: 0 0 0.8rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  font-size: 0.78rem;
  color: var(--accent);
}

.hero h1,
.section-heading h2,
.about-card h3,
.hero-panel h2,
.game-card h3 {
  margin: 0;
  font-family: "Cormorant Garamond", Georgia, serif;
  font-weight: 600;
  line-height: 0.98;
}

.hero h1 {
  max-width: 11ch;
  font-size: clamp(3.5rem, 8vw, 7rem);
  letter-spacing: -0.04em;
}

.hero-summary,
.hero-panel p,
.section-heading p,
.game-description,
.about-card p,
.site-footer p,
.panel-list {
  color: var(--muted);
  line-height: 1.7;
}

.hero-summary {
  max-width: 36rem;
  margin: 1.4rem 0 0;
  font-size: 1.05rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin: 2rem 0;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.85rem 1.35rem;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    border-color 180ms ease,
    background 180ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

.button-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #17201d;
  box-shadow: 0 14px 30px rgba(240, 199, 116, 0.18);
}

.button-secondary {
  border-color: rgba(255, 245, 221, 0.18);
  background: rgba(255, 255, 255, 0.02);
  color: var(--text);
}

.button-block {
  width: 100%;
  margin-top: 1.1rem;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.9rem;
}

.stat-chip,
.metric {
  padding: 1rem 1.1rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 245, 221, 0.08);
  background: rgba(255, 255, 255, 0.02);
}

.stat-chip__value,
.metric__value {
  display: block;
  color: var(--text);
  font-size: 1.55rem;
  font-weight: 700;
}

.stat-chip__label,
.metric__label {
  display: block;
  margin-top: 0.35rem;
  color: var(--muted);
  font-size: 0.82rem;
}

.metric__value--small {
  font-size: 1rem;
}

.panel-list {
  margin: 1rem 0 0;
  padding-left: 1.1rem;
}

.games-section,
.about-section {
  padding-top: 5rem;
}

.section-heading {
  display: grid;
  gap: 0.8rem;
  max-width: 38rem;
  margin-bottom: 1.8rem;
}

.section-heading h2 {
  font-size: clamp(2.4rem, 5vw, 4.5rem);
}

.section-heading--split {
  max-width: none;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 460px);
  align-items: end;
}

.game-grid,
.about-grid {
  display: grid;
  gap: 1.25rem;
}

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

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

.game-card,
.about-card {
  border-radius: var(--radius-lg);
  padding: 1.4rem;
}

.game-card__header {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 1rem;
}

.game-badge {
  padding: 0.5rem 0.8rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 245, 221, 0.1);
  background: rgba(255, 255, 255, 0.04);
  color: var(--muted);
  font-size: 0.78rem;
}

.game-description {
  min-height: 4.8rem;
  margin: 0.95rem 0 1rem;
}

.game-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.7rem;
}

.pulse-arena {
  position: relative;
  min-height: 250px;
  margin-top: 1rem;
  border-radius: calc(var(--radius-lg) - 6px);
  border: 1px solid rgba(255, 245, 221, 0.08);
  background:
    radial-gradient(circle at 30% 20%, rgba(137, 195, 182, 0.15), transparent 24%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0.01)),
    rgba(6, 12, 10, 0.88);
  overflow: hidden;
}

.pulse-arena::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 42px 42px;
  opacity: 0.4;
  pointer-events: none;
}

.pulse-message {
  position: absolute;
  left: 1rem;
  right: 1rem;
  bottom: 1rem;
  margin: 0;
  padding: 0.8rem 1rem;
  border-radius: 999px;
  background: rgba(9, 17, 15, 0.7);
  color: var(--muted);
  text-align: center;
  z-index: 1;
}

.pulse-orb {
  position: absolute;
  width: 4.25rem;
  height: 4.25rem;
  border: 0;
  border-radius: 50%;
  background:
    radial-gradient(circle at 35% 30%, #fff6dd 0%, #f6dd9a 30%, #89c3b6 66%, #3d5b55 100%);
  box-shadow:
    0 0 0 8px rgba(240, 199, 116, 0.06),
    0 0 32px rgba(137, 195, 182, 0.4);
  transform: translate(-50%, -50%);
  z-index: 2;
}

.pulse-orb.hidden {
  display: none;
}

.sequence-board {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
  margin-top: 1rem;
}

.sequence-tile,
.puzzle-tile {
  border: 1px solid rgba(255, 245, 221, 0.08);
  transition:
    transform 140ms ease,
    border-color 140ms ease,
    background 140ms ease,
    box-shadow 140ms ease;
}

.sequence-tile {
  min-height: 108px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
}

.sequence-tile--1 {
  background: linear-gradient(160deg, rgba(240, 199, 116, 0.28), rgba(240, 199, 116, 0.08));
}

.sequence-tile--2 {
  background: linear-gradient(160deg, rgba(137, 195, 182, 0.24), rgba(137, 195, 182, 0.08));
}

.sequence-tile--3 {
  background: linear-gradient(160deg, rgba(240, 143, 122, 0.22), rgba(240, 143, 122, 0.06));
}

.sequence-tile--4 {
  background: linear-gradient(160deg, rgba(246, 221, 154, 0.2), rgba(246, 221, 154, 0.06));
}

.sequence-tile.is-lit {
  transform: translateY(-2px) scale(1.02);
  border-color: rgba(255, 245, 221, 0.35);
  box-shadow: 0 18px 32px rgba(0, 0, 0, 0.2);
  filter: saturate(1.2) brightness(1.12);
}

.sequence-tile:disabled {
  cursor: not-allowed;
  opacity: 0.72;
}

.puzzle-board {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.65rem;
  margin-top: 1rem;
}

.puzzle-tile {
  min-height: 88px;
  border-radius: 22px;
  background: linear-gradient(165deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02));
  color: var(--text);
  font-size: 1.4rem;
  font-weight: 700;
}

.puzzle-tile:hover,
.sequence-tile:hover {
  transform: translateY(-1px);
}

.puzzle-tile.is-empty {
  background: rgba(255, 255, 255, 0.02);
  color: transparent;
  cursor: default;
}

.puzzle-tile.is-movable {
  border-color: rgba(240, 199, 116, 0.35);
  box-shadow: inset 0 0 0 1px rgba(240, 199, 116, 0.08);
}

.about-card h3 {
  font-size: 1.95rem;
  margin-bottom: 0.7rem;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 4rem 0 1rem;
  color: var(--muted);
  font-size: 0.92rem;
}

@media (max-width: 1080px) {
  .hero,
  .game-grid,
  .about-grid,
  .section-heading--split {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    max-width: 14ch;
  }
}

@media (max-width: 760px) {
  .page-shell {
    width: min(calc(100% - 1.2rem), var(--container));
  }

  .site-header,
  .site-footer,
  .hero-actions,
  .hero-stats {
    flex-direction: column;
    align-items: stretch;
  }

  .site-nav {
    justify-content: space-between;
  }

  .hero {
    padding-top: 1.5rem;
  }

  .hero-copy,
  .hero-panel,
  .game-card,
  .about-card {
    padding: 1.2rem;
  }

  .hero-stats,
  .game-meta {
    grid-template-columns: 1fr;
  }

  .pulse-arena {
    min-height: 220px;
  }

  .puzzle-tile {
    min-height: 72px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition-duration: 0ms !important;
  }
}