:root {
  --font-display: 'Boska', Georgia, serif;
  --font-body: 'Boska', Georgia, serif;
  --navy-950: #070d1b;
  --navy-900: #0a1224;
  --navy-850: #0d172b;
  --navy-800: #111c31;
  --navy-750: #17233b;
  --navy-700: #1f2c47;
  --cream: #f3eddd;
  --muted: #a7afc0;
  --faint: #778197;
  --gold: #e8b84a;
  --gold-light: #f3cb72;
  --gold-deep: #aa7813;
  --danger: #e79383;
  --success: #8fc98a;
  --text-xs: clamp(.75rem, .7rem + .25vw, .875rem);
  --text-sm: clamp(.875rem, .8rem + .35vw, 1rem);
  --text-base: clamp(1rem, .95rem + .25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + .75vw, 1.5rem);
  --text-xl: clamp(1.6rem, 1.3rem + 1.15vw, 2.25rem);
  --space-1: .25rem;
  --space-2: .5rem;
  --space-3: .75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --radius-sm: .375rem;
  --radius-md: .625rem;
  --radius-lg: .875rem;
  --radius-xl: 1.25rem;
  --radius-full: 999px;
  --shadow: 0 22px 65px rgba(0, 0, 0, .38);
  --ease: 180ms cubic-bezier(.16, 1, .3, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  min-width: 320px;
  min-height: 100dvh;
  margin: 0;
  color: var(--cream);
  background:
    radial-gradient(circle at 80% -5%, rgba(232, 184, 74, .13), transparent 30rem),
    radial-gradient(circle at 0 32%, rgba(59, 104, 159, .13), transparent 32rem),
    var(--navy-900);
  font: 500 var(--text-base)/1.6 var(--font-body);
  -webkit-font-smoothing: antialiased;
}
button, a { font: inherit; }
button { color: inherit; }
a { color: inherit; }
img, svg { display: block; max-width: 100%; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { margin-bottom: 0; text-wrap: balance; }
p { text-wrap: pretty; }
:focus-visible { outline: 3px solid var(--gold-light); outline-offset: 3px; border-radius: var(--radius-sm); }
.skip-link {
  position: fixed; z-index: 1000; top: var(--space-3); left: var(--space-3);
  padding: var(--space-3) var(--space-4); color: var(--navy-950);
  background: var(--gold-light); border-radius: var(--radius-md); transform: translateY(-180%);
}
.skip-link:focus { transform: translateY(0); }
[hidden] { display: none !important; }

.site-header {
  position: sticky; z-index: 50; top: 0;
  border-bottom: 1px solid rgba(232, 184, 74, .13);
  background: rgba(7, 13, 27, .9);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
}
.nav-shell {
  display: flex; align-items: center; justify-content: space-between; gap: var(--space-6);
  width: min(1120px, calc(100% - 2 * var(--space-6))); min-height: 72px; margin-inline: auto;
}
.brand { display: inline-flex; align-items: center; gap: var(--space-3); text-decoration: none; }
.brand__mark { width: 30px; color: var(--gold); fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.6; }
.brand__name { color: var(--gold); font: 700 var(--text-lg)/1 var(--font-display); letter-spacing: .01em; }
.primary-nav { display: flex; align-items: center; gap: var(--space-1); }
.primary-nav a {
  position: relative; padding: var(--space-2) var(--space-4); color: var(--muted);
  font-size: var(--text-sm); font-weight: 700; text-decoration: none; border-radius: var(--radius-full);
  transition: color var(--ease), background var(--ease);
}
.primary-nav a:hover { color: var(--cream); background: rgba(255, 255, 255, .04); }
.primary-nav a.is-active { color: var(--gold-light); background: rgba(232, 184, 74, .09); }
.primary-nav a.is-active::after {
  position: absolute; right: var(--space-4); bottom: -1px; left: var(--space-4);
  height: 2px; content: ''; background: var(--gold); border-radius: var(--radius-full);
}

.page-shell { width: min(1120px, calc(100% - 2 * var(--space-6))); margin-inline: auto; }
.eyebrow {
  margin-bottom: var(--space-2); color: var(--gold); font-size: var(--text-xs);
  font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
}
.page-hero {
  display: grid; grid-template-columns: 1fr auto; align-items: end; gap: var(--space-12);
  padding: var(--space-16) 0 var(--space-12); border-bottom: 1px solid var(--navy-700);
}
.page-hero h1 { max-width: 18ch; font: 700 var(--text-xl)/1.08 var(--font-display); }
.page-hero h1 em { color: var(--gold-light); font-style: italic; font-weight: 500; }
.page-hero__lede { max-width: 58ch; margin: var(--space-5) 0 0; color: var(--muted); }
.page-hero__symbol {
  display: grid; width: 112px; aspect-ratio: 1; color: var(--gold);
  border: 1px solid rgba(232, 184, 74, .3); border-radius: 50%; place-items: center;
  background: radial-gradient(circle, rgba(232,184,74,.16), rgba(232,184,74,.02) 70%);
}
.page-hero__symbol svg { width: 54px; fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.35; }

.games-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-6); padding: var(--space-12) 0 var(--space-16); }
.game-tile {
  position: relative; min-height: 420px; overflow: hidden; color: var(--cream);
  border: 1px solid var(--navy-700); background: var(--navy-850); border-radius: var(--radius-xl);
}
a.game-tile { text-decoration: none; transition: transform var(--ease), border-color var(--ease), box-shadow var(--ease); }
a.game-tile:hover { transform: translateY(-4px); border-color: var(--gold); box-shadow: var(--shadow); }
.game-tile__art { position: relative; display: grid; min-height: 260px; overflow: hidden; place-items: center; background: var(--navy-950); }
.game-tile__art::after {
  position: absolute; inset: 0; content: '';
  background: linear-gradient(to bottom, transparent 45%, var(--navy-850));
}
.game-tile__cards { position: relative; width: 72%; height: 235px; }
.game-tile__cards img {
  position: absolute; top: 28px; left: 50%; width: 128px; border-radius: 9px;
  box-shadow: 0 18px 34px rgba(0,0,0,.52);
}
.game-tile__cards img:nth-child(1) { transform: translateX(-82%) rotate(-9deg); }
.game-tile__cards img:nth-child(2) { z-index: 2; transform: translateX(-50%); }
.game-tile__cards img:nth-child(3) { transform: translateX(-18%) rotate(9deg); }
.game-tile__body { position: relative; z-index: 2; padding: var(--space-6); }
.game-tile__tag { display: block; margin-bottom: var(--space-2); color: var(--gold); font-size: var(--text-xs); font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
.game-tile h2 { font: 700 var(--text-lg)/1.15 var(--font-display); }
.game-tile p { margin: var(--space-3) 0 0; color: var(--muted); font-size: var(--text-sm); }
.game-tile__cta { display: inline-flex; align-items: center; gap: var(--space-2); margin-top: var(--space-5); color: var(--gold-light); font-size: var(--text-sm); font-weight: 700; }
.game-tile--soon { border-style: dashed; }
.game-tile--soon .game-tile__art { background: radial-gradient(circle, rgba(232,184,74,.08), transparent 55%), var(--navy-850); }
.game-tile--soon .game-tile__art svg { width: 76px; color: var(--faint); fill: none; stroke: currentColor; stroke-width: 1.2; }
.game-tile--soon .game-tile__body { opacity: .78; }

.site-footer { width: min(1120px, calc(100% - 2 * var(--space-6))); margin-inline: auto; padding: var(--space-10) 0; color: var(--faint); font-size: var(--text-xs); }
.site-footer p { margin: 0; }

/* Memory Match */
.match-main { width: min(1050px, calc(100% - 2 * var(--space-6))); margin-inline: auto; padding: var(--space-8) 0 var(--space-16); }
.game-topbar { display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); margin-bottom: var(--space-6); }
.back-link, .sound-toggle {
  display: inline-flex; min-height: 44px; align-items: center; justify-content: center; gap: var(--space-2);
  padding: var(--space-2) var(--space-4); color: var(--muted); border: 1px solid var(--navy-700);
  background: var(--navy-850); border-radius: var(--radius-full); text-decoration: none; cursor: pointer;
}
.back-link:hover, .sound-toggle:hover { color: var(--cream); border-color: var(--faint); }
.back-link svg, .sound-toggle svg { width: 19px; fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.8; }
.game-title { text-align: center; }
.game-title .eyebrow { margin-bottom: 0; }
.game-title h1 { font: 700 var(--text-xl)/1.05 var(--font-display); }

.setup-panel {
  display: grid; grid-template-columns: .92fr 1.08fr; overflow: hidden;
  border: 1px solid rgba(232,184,74,.24); background: var(--navy-850); border-radius: var(--radius-xl); box-shadow: var(--shadow);
}
.setup-art { position: relative; min-height: 570px; overflow: hidden; background: var(--navy-950); }
.setup-art::after { position: absolute; inset: 0; content: ''; background: linear-gradient(to top, rgba(7,13,27,.72), transparent 55%); pointer-events: none; }
.setup-art img { width: 100%; height: 100%; object-fit: cover; }
.setup-copy { display: flex; flex-direction: column; justify-content: center; padding: var(--space-10); }
.setup-copy h2 { font: 700 var(--text-xl)/1.1 var(--font-display); }
.setup-copy > p { margin: var(--space-4) 0 0; color: var(--muted); }
.mode-picker { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-2); margin-top: var(--space-8); padding: var(--space-1); border: 1px solid var(--navy-700); background: var(--navy-950); border-radius: var(--radius-full); }
.mode-button {
  min-height: 48px; padding: var(--space-2) var(--space-4); color: var(--muted); border: 0;
  background: transparent; border-radius: var(--radius-full); font-weight: 700; cursor: pointer;
}
.mode-button.is-selected { color: var(--navy-950); background: var(--gold); box-shadow: 0 3px 14px rgba(232,184,74,.25); }
.rules { display: grid; gap: var(--space-3); margin: var(--space-6) 0 0; padding: 0; list-style: none; color: var(--muted); font-size: var(--text-sm); }
.rules li { display: grid; grid-template-columns: 28px 1fr; align-items: start; gap: var(--space-3); }
.rules span { display: grid; width: 26px; height: 26px; color: var(--gold); border: 1px solid rgba(232,184,74,.32); border-radius: 50%; place-items: center; font-size: var(--text-xs); font-weight: 700; }
.begin-button, .modal-button {
  display: inline-flex; min-height: 52px; align-items: center; justify-content: center; gap: var(--space-2);
  margin-top: var(--space-8); padding: var(--space-3) var(--space-6); color: var(--navy-950);
  border: 1px solid var(--gold); background: var(--gold); border-radius: var(--radius-full);
  font-weight: 700; cursor: pointer; box-shadow: 0 9px 24px rgba(232,184,74,.15);
}
.begin-button:hover, .modal-button:hover { background: var(--gold-light); transform: translateY(-1px); }

.play-area { position: relative; }
.hud {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-3); margin-bottom: var(--space-5);
}
.hud-card {
  display: flex; min-height: 76px; align-items: center; justify-content: space-between; gap: var(--space-3);
  padding: var(--space-4) var(--space-5); border: 1px solid var(--navy-700); background: var(--navy-850); border-radius: var(--radius-lg);
}
.hud-card span { color: var(--muted); font-size: var(--text-xs); font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.hud-card strong { color: var(--gold-light); font: 700 var(--text-lg)/1 var(--font-display); font-variant-numeric: tabular-nums; }
.hud-card.is-active { border-color: var(--gold); background: linear-gradient(120deg, rgba(232,184,74,.1), var(--navy-850)); }
.hud-card.is-active strong { animation: score-bump 300ms var(--ease); }
@keyframes score-bump { 50% { transform: scale(1.22); } }

.preview-banner {
  display: flex; align-items: center; justify-content: center; gap: var(--space-3);
  margin-bottom: var(--space-4); padding: var(--space-3) var(--space-5); color: var(--cream);
  border: 1px solid rgba(232,184,74,.3); background: rgba(232,184,74,.09); border-radius: var(--radius-full);
  text-align: center; font-weight: 700;
}
.preview-banner strong { color: var(--gold-light); font-variant-numeric: tabular-nums; }
.card-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: var(--space-3); }
.memory-card {
  position: relative; aspect-ratio: 623 / 941; padding: 0; border: 0; background: transparent;
  perspective: 1100px; cursor: pointer; -webkit-tap-highlight-color: transparent;
}
.memory-card:disabled { cursor: default; }
.memory-card__inner {
  position: absolute; inset: 0; border-radius: clamp(6px, 1vw, 11px);
  transform-style: preserve-3d; transition: transform 520ms cubic-bezier(.2,.75,.2,1), opacity 420ms ease, scale 420ms ease;
  box-shadow: 0 10px 24px rgba(0,0,0,.38);
}
.memory-card.is-flipped .memory-card__inner { transform: rotateY(180deg); }
.memory-card.is-matched .memory-card__inner {
  opacity: 0; scale: .45; pointer-events: none;
  filter: drop-shadow(0 0 16px rgba(232,184,74,.75));
}
.memory-card__face {
  position: absolute; inset: 0; overflow: hidden; border: 1px solid rgba(232,184,74,.28);
  background: #151617; border-radius: inherit; -webkit-backface-visibility: hidden; backface-visibility: hidden;
}
.memory-card__face--front { transform: rotateY(180deg); }
.memory-card__face img { width: 100%; height: 100%; object-fit: cover; }
.memory-card:not(:disabled):hover .memory-card__inner { box-shadow: 0 13px 30px rgba(0,0,0,.55), 0 0 0 1px rgba(232,184,74,.32); }

.result-overlay {
  position: fixed; z-index: 100; inset: 0; display: grid; padding: var(--space-5);
  background: rgba(3,8,18,.82); -webkit-backdrop-filter: blur(9px); backdrop-filter: blur(9px); place-items: center;
}
.result-card {
  width: min(560px, 100%); padding: var(--space-10); text-align: center;
  border: 1px solid rgba(232,184,74,.42); background:
    radial-gradient(circle at 50% 0, rgba(232,184,74,.15), transparent 50%),
    var(--navy-850);
  border-radius: var(--radius-xl); box-shadow: var(--shadow); animation: victory-grow 620ms cubic-bezier(.16,1,.3,1);
}
@keyframes victory-grow { from { opacity: 0; transform: scale(.2); } to { opacity: 1; transform: scale(1); } }
.result-mark { display: grid; width: 78px; height: 78px; margin: 0 auto var(--space-5); color: var(--gold); border: 1px solid rgba(232,184,74,.4); background: rgba(232,184,74,.1); border-radius: 50%; place-items: center; }
.result-mark svg { width: 38px; fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.5; }
.result-card h2 { font: 700 var(--text-xl)/1.05 var(--font-display); }
.result-rating {
  margin-top: var(--space-4);
  color: var(--gold);
  font-size: clamp(2rem, 7vw, 3.5rem);
  line-height: 1;
  letter-spacing: .12em;
  text-shadow: 0 0 24px rgba(232,184,74,.28);
}
.result-card p { margin: var(--space-4) auto 0; color: var(--muted); }
.result-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: var(--space-3); margin-top: var(--space-6); }
.result-actions .modal-button { min-height: 46px; margin: 0; text-decoration: none; }
.modal-button--ghost { color: var(--cream); border-color: var(--navy-700); background: transparent; box-shadow: none; }
.modal-button--ghost:hover { background: var(--navy-750); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

@media (max-width: 900px) {
  .games-grid { grid-template-columns: repeat(2, 1fr); }
  .games-grid .game-tile:last-child { grid-column: 1 / -1; min-height: 300px; }
  .setup-panel { grid-template-columns: .8fr 1.2fr; }
  .setup-copy { padding: var(--space-8); }
}
@media (max-width: 700px) {
  .nav-shell { width: min(100% - 2 * var(--space-4), 1120px); min-height: 64px; gap: var(--space-3); }
  .brand__name { display: none; }
  .primary-nav { width: 100%; justify-content: flex-end; }
  .primary-nav a { padding-inline: var(--space-3); font-size: .8rem; }
  .page-shell, .site-footer, .match-main { width: min(100% - 2 * var(--space-4), 1120px); }
  .page-hero { grid-template-columns: 1fr; padding-block: var(--space-10); }
  .page-hero__symbol { display: none; }
  .games-grid { grid-template-columns: 1fr; padding-top: var(--space-8); }
  .games-grid .game-tile:last-child { grid-column: auto; }
  .game-tile { min-height: 0; }
  .setup-panel { grid-template-columns: 1fr; }
  .setup-art { min-height: 250px; max-height: 320px; }
  .setup-copy { padding: var(--space-6); }
  .game-title { display: none; }
  .hud { grid-template-columns: repeat(2, 1fr); }
  .hud-card:last-child { grid-column: 1 / -1; }
  .card-grid { grid-template-columns: repeat(4, 1fr); gap: var(--space-2); }
}
@media (max-width: 430px) {
  .primary-nav a { padding-inline: var(--space-2); font-size: .71rem; }
  .match-main { padding-top: var(--space-5); }
  .game-topbar { margin-bottom: var(--space-4); }
  .back-link, .sound-toggle { padding-inline: var(--space-3); font-size: var(--text-xs); }
  .setup-copy { padding: var(--space-5); }
  .setup-copy h2 { font-size: var(--text-lg); }
  .setup-copy > p { font-size: var(--text-sm); }
  .rules { font-size: var(--text-xs); }
  .mode-button { padding-inline: var(--space-2); font-size: var(--text-sm); }
  .hud-card { min-height: 66px; padding: var(--space-3); }
  .hud-card strong { font-size: var(--text-base); }
  .preview-banner { font-size: var(--text-sm); }
  .result-card { padding: var(--space-8) var(--space-5); }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}