/* ==========================================================================
   Zaślepka USOS — Uniwersytet Opolski
   Paleta wg identyfikacji UO: czerń, biel, pomarańcz #FF9800
   Bez zewnętrznych zależności (brak CDN, brak Google Fonts).
   ========================================================================== */

:root {
  --uo-orange:      #FF9800;
  --uo-orange-dark: #F08A00;
  --uo-orange-soft: #FFB74D;

  --ink:    #0D0D0D;
  --ink-2:  #3A3A3A;
  --muted:  #6E6E6E;
  --line:   #E6E4E0;
  --bg:     #FFFFFF;
  --bg-2:   #FAF9F7;

  --radius: 16px;
  --shadow: 0 1px 2px rgba(0,0,0,.04), 0 18px 40px -28px rgba(0,0,0,.45);

  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
          "Helvetica Neue", Arial, "Noto Sans", sans-serif;
}

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

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

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;      /* treść i stopka jako dwa bloki — stopka może
                                  być szersza niż kolumna z odliczaniem */
  align-items: center;
  justify-content: center;
  padding: 32px 20px 24px;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg-2);
  background-image:
    radial-gradient(1100px 520px at 50% -12%, #FFFFFF 0%, rgba(255,255,255,0) 70%),
    radial-gradient(760px 420px at 92% 108%, rgba(255,152,0,.10) 0%, rgba(255,152,0,0) 70%);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* pasek marki na górze ekranu */
.topbar {
  position: fixed;
  inset: 0 0 auto 0;
  height: 4px;
  background: linear-gradient(90deg, var(--uo-orange-dark), var(--uo-orange) 45%, var(--uo-orange-soft));
  z-index: 10;
}

/* dekoracyjny łuk (znak UO) */
.deco {
  position: fixed;
  right: -140px;
  bottom: -160px;
  width: min(620px, 78vw);
  height: auto;
  opacity: .10;
  pointer-events: none;
  z-index: 0;
}

/* --------------------------------------------------------------- układ -- */

.wrap {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 720px;
  text-align: center;
  flex: none;
}

.head { margin-bottom: 30px; }

.logo {
  width: 236px;
  height: auto;
  max-width: 72vw;
}

/* ------------------------------------------------------------ nagłówki -- */

.pill {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 20px;
  padding: 7px 15px 7px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--bg);
  box-shadow: 0 1px 2px rgba(0,0,0,.03);
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--ink-2);
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--uo-orange);
  box-shadow: 0 0 0 0 rgba(255,152,0,.55);
  animation: pulse 2.4s ease-out infinite;
}

@keyframes pulse {
  0%   { box-shadow: 0 0 0 0   rgba(255,152,0,.55); }
  70%  { box-shadow: 0 0 0 10px rgba(255,152,0,0);  }
  100% { box-shadow: 0 0 0 0   rgba(255,152,0,0);   }
}

h1 {
  margin: 0 0 14px;
  font-size: clamp(1.85rem, 5.4vw, 3rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -.025em;
  text-wrap: balance;
}

.lead-blok { margin: 0 0 38px; }

.lead {
  margin: 0 auto;
  /* 64ch mieści najdłuższe zdanie opisu w jednym wierszu — przy węższym
     limicie łamało się po "W tym czasie" i zostawiało sierotę */
  max-width: 64ch;
  font-size: clamp(.98rem, 2.1vw, 1.08rem);
  color: var(--muted);
  /* gdy zdanie i tak musi się złamać (tablet), wiersze wychodzą równe */
  text-wrap: balance;
}

/* Kolejne zdania opisu tworzą jeden zwarty blok — każde w swoim wierszu,
   ale bez odstępów, żeby nie wyglądały jak rozsypana lista.
   Odstęp dostaje dopiero ostatni akapit ("Przepraszamy za utrudnienia"). */
.lead + .lead { margin-top: 0; }

.lead-blok .lead:not(:only-child):last-child { margin-top: 1.2em; }

/* ----------------------------------------------------------- odliczanie -- */

.counter__label {
  margin: 0 0 14px;
  font-size: .74rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .16em;
  color: var(--muted);
}

.tiles {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

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

.tile {
  position: relative;
  padding: 24px 8px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.tile::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--uo-orange-dark), var(--uo-orange) 60%, var(--uo-orange-soft));
}

.tile__num {
  display: block;
  font-size: clamp(2.1rem, 8.4vw, 3.3rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -.04em;
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1;
}

.tile__lab {
  display: block;
  margin-top: 10px;
  font-size: .7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .13em;
  color: var(--muted);
}

/* ------------------------------------------------------ pasek postępu -- */

.progress-block { margin-top: 30px; }

.progress-block__row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 9px;
  font-size: .74rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--muted);
}

.progress-block__row span + span {
  letter-spacing: 0;
  font-variant-numeric: tabular-nums;
  color: var(--ink-2);
}

.progress {
  height: 10px;
  border-radius: 999px;
  background: #EDEBE7;
  border: 1px solid var(--line);
  overflow: hidden;
}

.progress__fill {
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--uo-orange-dark), var(--uo-orange) 55%, var(--uo-orange-soft));
  background-size: 200% 100%;
  transition: width .8s cubic-bezier(.22,.61,.36,1);
  animation: shimmer 3.5s linear infinite;
}

@keyframes shimmer {
  from { background-position: 0 0; }
  to   { background-position: -200% 0; }
}

.eta {
  margin: 26px 0 0;
  font-size: .92rem;
  color: var(--muted);
}

.eta strong {
  color: var(--ink);
  font-weight: 700;
}

/* ------------------------------------------------- komunikat końcowy -- */

.notice {
  padding: 34px 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg);
  box-shadow: var(--shadow);
  border-top: 3px solid var(--uo-orange);
}

.notice__title {
  margin: 0 0 10px;
  font-size: clamp(1.15rem, 3.4vw, 1.5rem);
  font-weight: 800;
  letter-spacing: -.02em;
}

.notice__text {
  margin: 0 auto 22px;
  max-width: 48ch;
  color: var(--muted);
}

.btn {
  appearance: none;
  border: 0;
  border-radius: 999px;
  padding: 12px 26px;
  background: var(--ink);
  color: #fff;
  font: inherit;
  font-weight: 700;
  font-size: .92rem;
  letter-spacing: .01em;
  cursor: pointer;
  transition: transform .15s ease, background-color .15s ease;
}

.btn:hover  { background: var(--uo-orange-dark); }
.btn:active { transform: translateY(1px); }

.btn:focus-visible,
.links a:focus-visible {
  outline: 3px solid var(--uo-orange);
  outline-offset: 3px;
}

/* ------------------------------------------------------------- stopka -- */
/* Układ przeniesiony ze wspólnej stopki aplikacji CNT (app-footer):
   biała karta, trzy kolumny, pozioma kreska i wiersz z prawami autorskimi. */

.sprite { display: none; }

.ico {
  width: 1em;
  height: 1em;
  fill: currentColor;
  vertical-align: -.125em;
  flex: none;
}

.app-footer {
  position: relative;
  z-index: 1;
  flex: none;
  width: 100%;
  /* szersza niż kolumna treści (720px) — przy trzech kolumnach na 720px
     robiło się ciasno i stopka wyglądała na wciśniętą */
  max-width: 1000px;
  margin-top: 52px;
  padding: 28px 30px 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg);
  text-align: left;
}

.app-footer__cols {
  display: grid;
  /* auto-fit zamiast sztywnych breakpointów: kolumn jest tyle, ile zmieści
     się przy zachowaniu 255px — tyle potrzebuje najdłuższy nagłówek
     ("Centrum Nowoczesnych Technologii" ma 251px), więc nigdy się nie łamie */
  grid-template-columns: repeat(auto-fit, minmax(255px, 1fr));
  gap: 26px 32px;
}

.app-footer__h {
  display: flex;
  align-items: center;
  gap: 7px;
  margin: 0 0 10px;
  font-size: .875rem;
  font-weight: 600;
  line-height: 1.35;
  color: var(--ink);
}

.app-footer__p {
  margin: 0 0 5px;
  font-size: .8rem;
  line-height: 1.55;
  color: var(--muted);
}

.app-footer__p .ico { margin-right: 3px; }

.app-footer__godziny { color: #9A9A9A; }

.app-footer a {
  color: var(--ink-2);
  text-decoration: none;
}

.app-footer a:hover { color: var(--uo-orange-dark); }

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

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: .75rem;
  font-weight: 600;
  color: var(--ink-2);
  white-space: nowrap;
  transition: border-color .15s ease, color .15s ease, background-color .15s ease;
}

.btn-outline:hover {
  border-color: var(--uo-orange);
  background: rgba(255, 152, 0, .06);
}

.app-footer__hr {
  margin: 20px 0 14px;
  border: 0;
  border-top: 1px solid var(--line);
}

.app-footer__dol {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 6px 16px;
  font-size: .74rem;
  color: #9A9A9A;
}

/* -------------------------------------------------------------- reszta -- */

.noscript {
  position: relative;
  z-index: 2;
  max-width: 46ch;
  margin: 20px auto 0;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--uo-orange);
  border-radius: 10px;
  background: var(--bg);
  font-size: .9rem;
  color: var(--ink-2);
  text-align: center;
}

.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;
}

[hidden] { display: none !important; }

/* -------------------------------------------------------------- mobile -- */

@media (max-width: 560px) {
  body { padding: 26px 16px 20px; }
  .head { margin-bottom: 24px; }
  .lead-blok { margin-bottom: 30px; }

  /* cztery kafelki -> siatka 2x2, trzy kafelki -> jeden rząd */
  .tiles { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .tiles.is-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
  .tiles.is-3 .tile { padding: 20px 4px 15px; }
  .tiles.is-3 .tile__num { font-size: clamp(1.7rem, 7.4vw, 2.4rem); }
  .tiles.is-3 .tile__lab { font-size: .62rem; letter-spacing: .08em; }

  .eta strong { display: block; margin-top: 3px; }
  .deco { right: -34%; bottom: -18%; width: min(460px, 108vw); opacity: .08; }

  .app-footer { padding: 22px 18px 18px; margin-top: 40px; }
  .app-footer__cols { gap: 20px; }
  .app-footer__dol { text-align: center; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
}

@media print {
  .deco, .topbar, .btn { display: none !important; }
  body { background: #fff; }
}