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

:root {
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, "Courier New", monospace;

  /* The same pure hues the games use, so the front door matches the rooms */
  --blue: #1E5BFF;
  --cyan: #00D0FF;
  --purple: #9D00FF;
  --magenta: #FF0090;
  --orange: #FF6A00;
  --yellow: #FFD400;
  --lime: #7CFF3D;

  --text: #F2ECFF;
  --dim: #A99BD6;
  --bg: #04010C;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100%;
  font-family: var(--mono);
  color: var(--text);
  /* Tight saturated pools over a near-black ground, matching the games */
  background:
    radial-gradient(ellipse 60% 40% at 18% 4%, rgba(157, 0, 255, 0.26), transparent 65%),
    radial-gradient(ellipse 55% 35% at 88% 20%, rgba(255, 0, 144, 0.2), transparent 65%),
    radial-gradient(ellipse 50% 35% at 60% 60%, rgba(0, 208, 255, 0.16), transparent 65%),
    radial-gradient(ellipse 55% 40% at 25% 92%, rgba(30, 91, 255, 0.18), transparent 65%),
    var(--bg);
  background-attachment: fixed;
  padding: 0 1.25rem 3rem;
  -webkit-font-smoothing: antialiased;
}

/* Starfield with a few coloured stars, as in the games */
.stars {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    radial-gradient(1.5px 1.5px at 12% 18%, rgba(255,255,255,0.85), transparent),
    radial-gradient(1.2px 1.2px at 68% 12%, rgba(0,208,255,0.8), transparent),
    radial-gradient(1.6px 1.6px at 32% 62%, rgba(255,255,255,0.7), transparent),
    radial-gradient(1.3px 1.3px at 82% 72%, rgba(255,0,144,0.65), transparent),
    radial-gradient(1.3px 1.3px at 52% 34%, rgba(255,255,255,0.55), transparent),
    radial-gradient(1.2px 1.2px at 92% 42%, rgba(124,255,61,0.6), transparent),
    radial-gradient(1.5px 1.5px at 22% 88%, rgba(255,255,255,0.6), transparent),
    radial-gradient(1.2px 1.2px at 74% 92%, rgba(255,212,0,0.55), transparent),
    radial-gradient(1.1px 1.1px at 44% 8%, rgba(255,255,255,0.5), transparent),
    radial-gradient(1.2px 1.2px at 6% 48%, rgba(157,0,255,0.6), transparent);
  background-size: 100% 100%;
}

.hero, .games, .drills, footer {
  position: relative;
  z-index: 1;
  max-width: 60rem;
  margin: 0 auto;
}

.hero {
  text-align: center;
  padding: clamp(3rem, 9vw, 6rem) 0 clamp(2rem, 5vw, 3.5rem);
}

.hero h1 {
  font-size: clamp(2.1rem, 7vw, 4.2rem);
  letter-spacing: 0.26em;
  font-weight: 700;
  /* Runs the full arcade spectrum, each stop a pure hue */
  background: linear-gradient(90deg,
    var(--cyan) 0%,
    var(--lime) 22%,
    var(--yellow) 42%,
    var(--orange) 58%,
    var(--magenta) 78%,
    var(--purple) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  filter: drop-shadow(0 0 26px rgba(255, 0, 144, 0.45))
          drop-shadow(0 0 60px rgba(157, 0, 255, 0.3));
}

.hero .sub {
  margin-top: 1rem;
  font-size: clamp(0.95rem, 2vw, 1.15rem);
  color: var(--text);
  letter-spacing: 0.1em;
}

.hero .note {
  margin-top: 0.55rem;
  font-size: 0.85rem;
  color: var(--dim);
}

/* ---- Game cards ---- */
.games {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(19rem, 1fr));
  gap: 1.5rem;
}

.card {
  --accent: var(--cyan);
  --accent-2: var(--yellow);
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  border-radius: 14px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.card-squadron {
  --accent: var(--magenta);
  --accent-2: var(--lime);
}

.card-sentinel {
  --accent: #FF6A3D;
  --accent-2: #4DC4FF;
}

.card-burrow {
  --accent: #FFD400;
  --accent-2: #7CFF3D;
}

.card:hover {
  transform: translateY(-5px);
  border-color: color-mix(in srgb, var(--accent) 55%, transparent);
  box-shadow: 0 14px 44px color-mix(in srgb, var(--accent) 32%, transparent);
}

.art {
  padding: 1.4rem 1rem 0.4rem;
  display: flex;
  justify-content: center;
  /* Plain fallback first: where color-mix is unsupported the whole
     declaration is dropped, and a shorthand would leave nothing behind. */
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.07), transparent);
  background: linear-gradient(180deg,
    color-mix(in srgb, var(--accent) 16%, transparent), transparent);
}

.art svg {
  width: 100%;
  max-width: 15rem;
  height: auto;
}

.body {
  padding: 1.1rem 1.4rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex: 1;
}

.body h2 {
  font-size: 1.35rem;
  letter-spacing: 0.08em;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
  color: var(--accent);
  text-shadow: 0 0 18px color-mix(in srgb, var(--accent) 45%, transparent);
}

.badge {
  font-size: 0.6rem;
  letter-spacing: 0.18em;
  font-weight: bold;
  color: #04010C;
  background: linear-gradient(90deg, var(--yellow), var(--orange));
  padding: 0.18rem 0.5rem;
  border-radius: 999px;
  box-shadow: 0 0 16px rgba(255, 106, 0, 0.5);
}

.genre {
  font-size: 0.7rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--dim);
}

.desc {
  font-size: 0.88rem;
  line-height: 1.55;
  color: #D9CEF5;
}

.tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.15rem;
}

.tags li {
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: var(--dim);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-color: color-mix(in srgb, var(--accent) 34%, transparent);
  border-radius: 999px;
  padding: 0.2rem 0.6rem;
}

.play {
  margin-top: auto;
  padding-top: 0.9rem;
  font-size: 0.95rem;
  letter-spacing: 0.14em;
  font-weight: bold;
  color: var(--accent-2);
  text-shadow: 0 0 16px color-mix(in srgb, var(--accent-2) 45%, transparent);
}

/* ---- Practice section ---- */
.drills {
  margin-top: 3rem;
  padding: 1.6rem 1.8rem;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.028);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.drills h3 {
  font-size: 0.78rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 0.8rem;
}

.drills p {
  font-size: 0.88rem;
  line-height: 1.6;
  color: #D9CEF5;
  max-width: 46rem;
}

.drills ul {
  list-style: none;
  margin: 0.9rem 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: 0.45rem;
  font-size: 0.85rem;
  color: #D9CEF5;
}

.drills li::before {
  content: "▸ ";
  color: var(--lime);
}

.drills strong { color: var(--text); }

.stat-note {
  font-size: 0.8rem !important;
  color: var(--dim) !important;
}

footer {
  margin-top: 2.5rem;
  text-align: center;
  font-size: 0.78rem;
  color: var(--dim);
  line-height: 1.9;
}

footer a {
  color: var(--cyan);
  text-decoration-color: color-mix(in srgb, var(--cyan) 45%, transparent);
}

footer a:hover { color: var(--lime); }