/* gierki.link — strona główna */

:root {
  --bg: #0b0f1a;
  --bg-soft: #121828;
  --surface: rgba(255, 255, 255, .045);
  --surface-hi: rgba(255, 255, 255, .085);
  --line: rgba(255, 255, 255, .1);
  --text: #e8ecf6;
  --muted: #98a2b8;
  --violet: #a78bfa;
  --pink: #f472b6;
  --sky: #38bdf8;
  --radius: 20px;
  --shadow: 0 24px 60px rgba(0, 0, 0, .5);
  --font: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

code {
  font-family: ui-monospace, "Cascadia Code", Consolas, monospace;
  font-size: .9em;
  background: var(--surface-hi);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: .1em .4em;
}

:focus-visible {
  outline: 2px solid var(--sky);
  outline-offset: 3px;
  border-radius: 8px;
}

/* ---------- tło ---------- */

.bg-fx {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
}

.blob {
  position: absolute;
  width: 46vmax;
  height: 46vmax;
  border-radius: 50%;
  filter: blur(90px);
  opacity: .35;
  animation: drift 26s ease-in-out infinite;
}

.blob--1 { background: var(--violet); top: -14vmax; left: -10vmax; }
.blob--2 { background: var(--pink);   top: 10vmax; right: -16vmax; animation-delay: -9s; }
.blob--3 { background: var(--sky);    bottom: -20vmax; left: 25vmax; animation-delay: -17s; }

.grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .04) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 30%, transparent 75%);
}

@keyframes drift {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33%      { transform: translate(6vmax, 4vmax) scale(1.12); }
  66%      { transform: translate(-5vmax, 6vmax) scale(.94); }
}

/* ---------- nagłówek ---------- */

.site-header {
  max-width: 1160px;
  margin: 0 auto;
  padding: 22px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -.01em;
}

.brand__logo { display: block; }
.brand__dot { color: var(--pink); }

.site-nav {
  display: flex;
  gap: 22px;
  font-size: .95rem;
  color: var(--muted);
}

.site-nav a:hover { color: var(--text); }

/* ---------- hero ---------- */

.hero {
  max-width: 1160px;
  margin: 0 auto;
  padding: 60px 20px 48px;
  text-align: center;
}

.hero__kicker {
  display: inline-block;
  margin: 0 0 18px;
  padding: 6px 14px;
  font-size: .8rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--muted);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 999px;
}

.hero__title {
  margin: 0;
  font-size: clamp(2.2rem, 7vw, 4.2rem);
  line-height: 1.08;
  letter-spacing: -.03em;
  font-weight: 800;
}

.grad {
  background: linear-gradient(100deg, var(--violet), var(--pink) 45%, var(--sky));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero__lead {
  max-width: 52ch;
  margin: 18px auto 0;
  color: var(--muted);
  font-size: clamp(1rem, 2.2vw, 1.15rem);
}

.hero__actions {
  margin-top: 30px;
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 999px;
  border: 1px solid transparent;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .2s ease, background .2s ease;
}

.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn--primary {
  background: linear-gradient(100deg, var(--violet), var(--pink));
  color: #16081f;
  box-shadow: 0 12px 30px rgba(167, 139, 250, .32);
}

.btn--primary:hover { box-shadow: 0 16px 38px rgba(244, 114, 182, .4); }

.btn--ghost {
  background: var(--surface);
  border-color: var(--line);
  color: var(--text);
}

.btn--ghost:hover { background: var(--surface-hi); }

/* ---------- pasek katalogu ---------- */

.catalog {
  max-width: 1160px;
  margin: 0 auto;
  padding: 20px 20px 60px;
}

.catalog__bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  justify-content: space-between;
  margin-bottom: 18px;
}

.search {
  position: relative;
  flex: 1 1 260px;
  max-width: 380px;
}

.search__icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  fill: none;
  stroke: var(--muted);
  stroke-width: 2;
  stroke-linecap: round;
  pointer-events: none;
}

#search {
  width: 100%;
  padding: 12px 16px 12px 42px;
  font: inherit;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 999px;
}

#search::placeholder { color: var(--muted); }
#search:focus { outline: none; border-color: var(--violet); background: var(--surface-hi); }
#search::-webkit-search-cancel-button { filter: invert(1) opacity(.5); }

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip {
  padding: 7px 14px;
  font: inherit;
  font-size: .875rem;
  color: var(--muted);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 999px;
  cursor: pointer;
  transition: color .15s, background .15s, border-color .15s;
}

.chip:hover { color: var(--text); background: var(--surface-hi); }

.chip[aria-pressed="true"] {
  color: #16081f;
  background: linear-gradient(100deg, var(--violet), var(--pink));
  border-color: transparent;
  font-weight: 600;
}

.catalog__count {
  margin: 0 0 16px;
  color: var(--muted);
  font-size: .9rem;
  min-height: 1.4em;
}

/* ---------- kafelki gier ---------- */

.games {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 18px;
}

.card {
  position: relative;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--line);
  overflow: hidden;
  transition: transform .2s ease, border-color .2s ease, box-shadow .25s ease;
  animation: pop .35s ease backwards;
}

.card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(140deg, rgba(167, 139, 250, .18), rgba(56, 189, 248, .12) 60%, transparent);
  opacity: 0;
  transition: opacity .25s ease;
  pointer-events: none;
}

.card:hover,
.card:focus-within {
  transform: translateY(-5px);
  border-color: rgba(167, 139, 250, .5);
  box-shadow: var(--shadow);
}

.card:hover::before,
.card:focus-within::before { opacity: 1; }

.card__link {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 14px;
  height: 100%;
  padding: 18px;
}

.card__thumb {
  display: grid;
  place-items: center;
  aspect-ratio: 16 / 10;
  border-radius: 14px;
  background:
    radial-gradient(circle at 30% 20%, rgba(167, 139, 250, .22), transparent 60%),
    var(--bg-soft);
  border: 1px solid var(--line);
  overflow: hidden;
}

.card__icon {
  width: 86px;
  height: 86px;
  transition: transform .3s cubic-bezier(.2, .8, .3, 1.2);
}

.card:hover .card__icon { transform: scale(1.09) rotate(-3deg); }

.card__body {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
}

.card__title {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -.01em;
}

.card__desc {
  color: var(--muted);
  font-size: .92rem;
  line-height: 1.5;
}

.card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 4px;
}

.tag {
  font-size: .74rem;
  letter-spacing: .03em;
  text-transform: uppercase;
  color: var(--muted);
  background: var(--surface-hi);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 3px 9px;
}

.card__cta {
  font-size: .9rem;
  font-weight: 600;
  color: var(--violet);
}

.card--featured .card__thumb::after {
  content: "Polecane";
  position: absolute;
  top: 12px;
  right: 12px;
  font-size: .68rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  font-weight: 700;
  color: #16081f;
  background: linear-gradient(100deg, var(--violet), var(--pink));
  border-radius: 999px;
  padding: 4px 10px;
}

.card--featured .card__thumb { position: relative; }

/* stan ładowania */
.card--skeleton {
  height: 300px;
  background: linear-gradient(100deg, var(--surface) 30%, var(--surface-hi) 50%, var(--surface) 70%);
  background-size: 250% 100%;
  animation: shimmer 1.4s linear infinite;
}

.card--skeleton:hover { transform: none; box-shadow: none; }

@keyframes shimmer {
  from { background-position: 150% 0; }
  to   { background-position: -50% 0; }
}

@keyframes pop {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: none; }
}

.empty,
.error {
  text-align: center;
  color: var(--muted);
  padding: 40px 0;
}

.error strong { color: var(--pink); }

/* ---------- o projekcie / stopka ---------- */

.about {
  max-width: 780px;
  margin: 0 auto;
  padding: 0 20px 70px;
  text-align: center;
}

.about__ikona {
  display: block;
  width: clamp(72px, 12vw, 104px);
  height: auto;
  margin: 0 auto 14px;
  filter: drop-shadow(0 8px 22px rgba(167, 139, 250, .35));
}

.about h2 {
  font-size: 1.6rem;
  letter-spacing: -.02em;
  margin: 0 0 12px;
}

.about p {
  color: var(--muted);
  max-width: 54ch;
  margin: 0 auto;
  font-size: 1.02rem;
}

.about strong { color: var(--text); font-weight: 600; }

.site-footer {
  border-top: 1px solid var(--line);
  padding: 24px 20px;
  text-align: center;
  color: var(--muted);
  font-size: .88rem;
}

.site-footer p { margin: 0; }

/* wyższa specyficzność niż `.site-footer p { margin: 0 }` wyżej */
.site-footer .site-footer__meta {
  margin-top: 6px;
  font-size: .8rem;
  opacity: .65;
  font-variant-numeric: tabular-nums;
}

/* przed wczytaniem games.json (albo gdy się nie uda) stopka zostaje bez zmian */
.site-footer__meta:empty { display: none; }

@media (max-width: 520px) {
  .site-nav { display: none; }
  .catalog__bar { flex-direction: column; align-items: stretch; }
  .search { max-width: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
}