/* ==========================================================================
   VOLT FESTIVAL — Gdańsk, 16–18 lipca 2027
   Autor: Daniel Prajsnar
   1. Zmienne  2. Reset  3. Typografia  4. Komponenty  5. Nawigacja
   6. Hero + odliczanie  7. Line-up  8. Harmonogram  9. Bilety  10. RWD
   ========================================================================== */

/* 1. ZMIENNE ------------------------------------------------------------- */
:root {
  --czern:   #08090a;
  --czern-2: #101214;
  --czern-3: #17191c;
  --biel:    #f2f3ef;
  --kwas:    #d6ff2e;
  --magenta: #ff2d78;
  --szary:   #8c9199;
  --linia:   #2a2e33;

  --display: "Anton", "Arial Black", sans-serif;
  --tekst:   "Space Grotesk", "Segoe UI", sans-serif;
  --mono:    "Space Mono", ui-monospace, monospace;

  --max:    1280px;
  --sekcja: clamp(4rem, 9vw, 7rem);
  --ease:   cubic-bezier(.16, 1, .3, 1);
}

/* 2. RESET --------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  background: var(--czern);
  color: var(--biel);
  font-family: var(--tekst);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button, input, select, textarea { font: inherit; color: inherit; }
:focus-visible { outline: 3px solid var(--kwas); outline-offset: 2px; }
::selection { background: var(--kwas); color: var(--czern); }

/* 3. TYPOGRAFIA ---------------------------------------------------------- */
h1, h2, h3, h4 { font-family: var(--display); font-weight: 400; line-height: .92; text-transform: uppercase; letter-spacing: -.01em; }

.t-mega { font-size: clamp(3.2rem, 13vw, 10rem); }
.t-duzy { font-size: clamp(2.2rem, 6vw, 4.4rem); }
.t-sred { font-size: clamp(1.5rem, 3vw, 2.2rem); }
.t-maly { font-size: 1.15rem; letter-spacing: .01em; }

.mono { font-family: var(--mono); font-size: .78rem; letter-spacing: .1em; text-transform: uppercase; }
.kwas { color: var(--kwas); }
.mag  { color: var(--magenta); }
.mut  { color: var(--szary); }
.lead { font-size: clamp(1rem, 1.5vw, 1.15rem); color: var(--szary); max-width: 58ch; }

/* 4. KOMPONENTY ---------------------------------------------------------- */
.kontener { width: min(100% - 2rem, var(--max)); margin-inline: auto; }
.sekcja { padding-block: var(--sekcja); }
.linia-g { border-top: 2px solid var(--linia); }

.naglowek { display: flex; flex-wrap: wrap; align-items: end; justify-content: space-between; gap: 1.5rem; margin-bottom: clamp(2rem, 4vw, 3.4rem); }

.btn {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  padding: 1rem 1.9rem;
  border: 2px solid var(--kwas);
  background: var(--kwas);
  color: var(--czern);
  font-family: var(--display);
  font-size: 1rem;
  letter-spacing: .05em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background .2s var(--ease), color .2s var(--ease), transform .12s;
}
.btn:hover { background: transparent; color: var(--kwas); }
.btn:active { transform: translate(2px, 2px); }
.btn--obrys { background: transparent; color: var(--biel); border-color: var(--biel); }
.btn--obrys:hover { background: var(--biel); color: var(--czern); }
.btn--mag { background: var(--magenta); border-color: var(--magenta); color: var(--biel); }
.btn--mag:hover { background: transparent; color: var(--magenta); }

.karta { border: 2px solid var(--linia); background: var(--czern-2); }

.reveal { opacity: 0; transform: translateY(20px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.widoczny { opacity: 1; transform: none; }
.reveal[data-op="1"] { transition-delay: .08s; }
.reveal[data-op="2"] { transition-delay: .16s; }
.reveal[data-op="3"] { transition-delay: .24s; }

/* --- pasek przewijany --- */
.marquee { overflow: hidden; border-block: 2px solid var(--kwas); background: var(--kwas); color: var(--czern); padding-block: .55rem; }
.marquee__tor { display: flex; gap: 2.5rem; width: max-content; animation: przesuw 28s linear infinite; }
.marquee span { font-family: var(--display); font-size: 1.05rem; letter-spacing: .06em; text-transform: uppercase; white-space: nowrap; }
@keyframes przesuw { to { transform: translateX(-50%); } }
.marquee:hover .marquee__tor { animation-play-state: paused; }

/* 5. NAWIGACJA ----------------------------------------------------------- */
.pasek {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 90;
  padding-block: 1rem;
  border-bottom: 2px solid transparent;
  transition: background .3s var(--ease), border-color .3s;
}
.pasek.przyklejony { background: rgba(8,9,10,.94); backdrop-filter: blur(10px); border-bottom-color: var(--linia); }
.pasek__inner { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; }

.logo { font-family: var(--display); font-size: 1.55rem; letter-spacing: .04em; display: flex; align-items: center; gap: .5rem; }
.logo em { font-style: normal; color: var(--kwas); }
.logo__rok { font-family: var(--mono); font-size: .62rem; border: 1px solid var(--kwas); color: var(--kwas); padding: .1rem .35rem; letter-spacing: .1em; }

.menu-gl { display: flex; align-items: center; gap: clamp(1.2rem, 2.4vw, 2.2rem); }
.menu-gl a {
  font-family: var(--display);
  font-size: .95rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  transition: color .2s;
}
.menu-gl a:hover, .menu-gl a[aria-current="page"] { color: var(--kwas); }

.burger { display: none; width: 44px; height: 44px; border: 2px solid var(--biel); background: none; cursor: pointer; position: relative; }
.burger i { position: absolute; left: 10px; width: 20px; height: 2px; background: var(--biel); transition: transform .3s var(--ease), opacity .2s; }
.burger i:nth-child(1) { top: 14px; }
.burger i:nth-child(2) { top: 20px; }
.burger i:nth-child(3) { top: 26px; }
.burger[aria-expanded="true"] i:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.burger[aria-expanded="true"] i:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] i:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* 6. HERO ---------------------------------------------------------------- */
.hero { position: relative; min-height: 100svh; display: grid; align-content: center; padding-block: 7rem 3rem; overflow: hidden; }
.hero__tlo { position: absolute; inset: 0; }
.hero__tlo img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(1) contrast(1.25) brightness(.5); }
.hero__tlo::after {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(circle at 22% 28%, rgba(214,255,46,.16), transparent 42%),
    radial-gradient(circle at 78% 72%, rgba(255,45,120,.18), transparent 46%),
    linear-gradient(180deg, rgba(8,9,10,.5), rgba(8,9,10,.9));
}
.hero__tresc { position: relative; display: grid; gap: 1.4rem; }
.hero__data { display: flex; flex-wrap: wrap; gap: 1rem 2rem; align-items: center; }
.hero__data span { display: inline-flex; align-items: center; gap: .5rem; }
.hero__tytul { line-height: .84; }
.hero__tytul span { display: block; }
.hero__tytul .kwas { -webkit-text-stroke: 0; }
.hero__akcje { display: flex; flex-wrap: wrap; gap: .9rem; margin-top: .6rem; }

/* --- odliczanie --- */
.odliczanie { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 1.4rem; }
.odliczanie div {
  min-width: 92px;
  border: 2px solid var(--linia);
  background: rgba(8,9,10,.7);
  padding: .8rem 1rem;
  text-align: center;
}
.odliczanie b { display: block; font-family: var(--display); font-size: clamp(1.7rem, 3.4vw, 2.6rem); line-height: 1; color: var(--kwas); }
.odliczanie span { font-family: var(--mono); font-size: .64rem; letter-spacing: .16em; text-transform: uppercase; color: var(--szary); }

/* 7. LINE-UP ------------------------------------------------------------- */
.filtry { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 2rem; }
.filtry button {
  padding: .55rem 1.1rem;
  border: 2px solid var(--linia);
  background: transparent;
  color: var(--szary);
  font-family: var(--mono);
  font-size: .74rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all .2s var(--ease);
}
.filtry button:hover { border-color: var(--biel); color: var(--biel); }
.filtry button[aria-pressed="true"] { background: var(--kwas); border-color: var(--kwas); color: var(--czern); }

.lineup { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px; background: var(--linia); border: 2px solid var(--linia); }
.artysta {
  background: var(--czern);
  padding: 1.6rem 1.4rem 1.4rem;
  display: grid;
  gap: .5rem;
  align-content: space-between;
  min-height: 190px;
  transition: background .25s var(--ease), color .25s var(--ease);
}
.artysta.ukryty { display: none; }
.artysta:hover { background: var(--kwas); color: var(--czern); }
.artysta:hover .mono, .artysta:hover .mut { color: var(--czern); }
.artysta__nazwa { font-family: var(--display); font-size: clamp(1.3rem, 2.4vw, 2rem); line-height: .95; }
.artysta__meta { display: flex; justify-content: space-between; gap: .8rem; align-items: end; }
.artysta--gwiazda { background: var(--czern-3); }
.artysta--gwiazda .artysta__nazwa { color: var(--kwas); }
.artysta--gwiazda:hover .artysta__nazwa { color: var(--czern); }

/* 8. HARMONOGRAM --------------------------------------------------------- */
.harmonogram { border: 2px solid var(--linia); overflow-x: auto; }
.harmonogram table { width: 100%; border-collapse: collapse; min-width: 720px; }
.harmonogram th, .harmonogram td { border: 1px solid var(--linia); padding: .8rem 1rem; text-align: left; vertical-align: top; }
.harmonogram thead th { background: var(--czern-2); font-family: var(--display); font-size: 1rem; text-transform: uppercase; letter-spacing: .04em; }
.harmonogram tbody th { font-family: var(--mono); font-size: .78rem; color: var(--szary); width: 96px; background: var(--czern-2); font-weight: 400; }
.harmonogram td { font-family: var(--tekst); font-size: .95rem; }
.harmonogram td b { display: block; font-family: var(--display); font-size: 1.05rem; letter-spacing: .02em; font-weight: 400; }
.harmonogram td.pusto { color: var(--linia); }
.harmonogram tbody tr:hover td { background: var(--czern-2); }

/* 9. BILETY -------------------------------------------------------------- */
.bilety { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.2rem; }
.bilet { display: grid; gap: 1rem; align-content: start; padding: 1.7rem 1.5rem; position: relative; }
.bilet--polecany { border-color: var(--kwas); }
.bilet__wstega {
  position: absolute; top: -2px; right: -2px;
  background: var(--kwas); color: var(--czern);
  font-family: var(--mono); font-size: .62rem; letter-spacing: .12em; text-transform: uppercase;
  padding: .25rem .6rem;
}
.bilet__cena { font-family: var(--display); font-size: clamp(2rem, 3.6vw, 2.8rem); line-height: 1; }
.bilet ul { display: grid; gap: .5rem; }
.bilet li { display: grid; grid-template-columns: 14px 1fr; gap: .6rem; font-size: .92rem; color: var(--szary); }
.bilet li::before { content: "+"; color: var(--kwas); font-family: var(--mono); }
.bilet li.brak { opacity: .45; }
.bilet li.brak::before { content: "–"; color: var(--szary); }

/* --- kafle informacyjne --- */
.siatka-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
.siatka-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.2rem; }
.kafel { padding: 1.7rem 1.5rem; display: grid; gap: .7rem; align-content: start; }
.kafel h3 { color: var(--kwas); }
.kafel p { color: var(--szary); font-size: .95rem; }

/* --- duo --- */
.duo { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(1.6rem, 4vw, 3.4rem); align-items: center; }
.duo__foto img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; filter: grayscale(1) contrast(1.15); transition: filter .5s var(--ease); }
.duo__foto:hover img { filter: none; }
.duo__tresc { display: grid; gap: 1.1rem; align-content: start; }

/* --- galeria --- */
.galeria { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2px; }
.galeria img { width: 100%; aspect-ratio: 1; object-fit: cover; filter: grayscale(1) brightness(.85); transition: filter .4s var(--ease), transform .6s var(--ease); }
.galeria a { overflow: hidden; }
.galeria a:hover img { filter: none; transform: scale(1.05); }

/* --- FAQ --- */
.faq { display: grid; border-top: 2px solid var(--linia); }
.faq details { border-bottom: 2px solid var(--linia); }
.faq summary {
  display: flex; justify-content: space-between; align-items: center; gap: 1.2rem;
  padding: 1.3rem .2rem;
  cursor: pointer;
  font-family: var(--display);
  font-size: 1.15rem;
  text-transform: uppercase;
  list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--kwas); font-family: var(--mono); font-size: 1.3rem; transition: transform .25s var(--ease); }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq summary:hover { color: var(--kwas); }
.faq p { padding: 0 .2rem 1.4rem; color: var(--szary); max-width: 70ch; }

/* --- pas CTA --- */
.pas-cta { background: var(--kwas); color: var(--czern); }
.pas-cta h2 { font-size: clamp(2rem, 5.5vw, 4rem); }
.pas-cta .btn { background: var(--czern); border-color: var(--czern); color: var(--kwas); }
.pas-cta .btn:hover { background: transparent; color: var(--czern); }

/* nagłówek podstrony */
.naglowek-strony { padding: clamp(8rem, 15vw, 11rem) 0 clamp(2rem, 4vw, 3rem); display: grid; gap: 1rem; }
.okruszki { font-family: var(--mono); font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; color: var(--szary); }
.okruszki a:hover { color: var(--kwas); }

/* stopka */
.stopka { border-top: 2px solid var(--linia); padding-top: clamp(2.5rem, 5vw, 4rem); }
.stopka__grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 2rem; padding-bottom: 2.5rem; }
.stopka h4 { font-size: .95rem; color: var(--kwas); margin-bottom: .9rem; }
.stopka__lista { display: grid; gap: .45rem; font-size: .93rem; }
.stopka__lista a, .stopka__lista span, .stopka__lista p { color: var(--szary); }
.stopka__lista a:hover { color: var(--kwas); }
.stopka__dol {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem;
  padding-block: 1.4rem;
  border-top: 2px solid var(--linia);
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .06em;
  color: var(--szary);
}
.stopka__dol a { color: var(--kwas); }

/* 10. RWD ---------------------------------------------------------------- */
@media (max-width: 1000px) {
  .lineup { grid-template-columns: repeat(2, 1fr); }
  .bilety { grid-template-columns: repeat(2, 1fr); }
  .siatka-3 { grid-template-columns: repeat(2, 1fr); }
  .duo { grid-template-columns: 1fr; }
  .stopka__grid { grid-template-columns: 1fr 1fr; }

  .burger { display: block; z-index: 96; }
  .menu-gl {
    position: fixed;
    inset: 0 0 0 auto;
    width: min(80vw, 320px);
    flex-direction: column;
    justify-content: center;
    align-items: start;
    gap: 1.6rem;
    padding: 2rem;
    background: var(--czern-2);
    border-left: 2px solid var(--kwas);
    transform: translateX(100%);
    transition: transform .35s var(--ease);
    z-index: 95;
  }
  .menu-gl.otwarte { transform: none; }
  .menu-gl a { font-size: 1.5rem; }
}

@media (max-width: 620px) {
  .lineup, .bilety, .siatka-3, .siatka-2 { grid-template-columns: 1fr; }
  .galeria { grid-template-columns: repeat(2, 1fr); }
  .stopka__grid { grid-template-columns: 1fr; }
  .odliczanie div { min-width: 72px; padding: .6rem .7rem; flex: 1; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; }
  .marquee__tor { animation: none; }
}