/* =========================================================
   wisand.eu — µOS dokumentacja
   Tokeny wizualne wyprowadzone z materiałów źródłowych:
   granatowe pudełko dyskietki, diamentowe logo, ekrany EGA/VGA.
   ========================================================= */

:root {
  /* Kolor */
  --navy-deep: #0c1730;
  --navy: #1b2e5c;
  --navy-light: #2b4576;
  --cream: #f4efe4;
  --cream-dim: #cfc8b6;
  --ink: #14171c;

  /* Kolory diamentu µOS */
  --d-teal: #1e9e8b;
  --d-green: #3aa635;
  --d-blue: #2b4fa3;
  --d-red: #c8322a;
  --d-yellow: #f0b429;

  /* Typografia */
  --f-display: Georgia, "Iowan Old Style", "Times New Roman", serif;
  --f-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --f-mono: "IBM Plex Mono", "Consolas", "Courier New", monospace;

  --radius: 2px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--cream);
  color: var(--ink);
  font-family: var(--f-body);
  line-height: 1.6;
}

a { color: var(--navy); }
a:hover { color: var(--d-red); }

img { max-width: 100%; display: block; }

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Nagłówek / nawigacja ---------- */
.site-header {
  background: var(--navy-deep);
  color: var(--cream);
  border-bottom: 4px solid var(--d-yellow);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  padding-bottom: 14px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--cream);
}

.brand-mark {
  width: 30px;
  height: 30px;
}

.brand-word {
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: 0.02em;
}
.brand-word .mu { font-style: italic; }

.site-nav {
  display: flex;
  gap: 22px;
  font-family: var(--f-mono);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.site-nav a {
  color: var(--cream-dim);
  text-decoration: none;
  padding: 4px 0;
  border-bottom: 2px solid transparent;
}
.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--cream);
  border-bottom-color: var(--d-yellow);
}

.lang-switch {
  margin-left: 10px;
  padding-left: 14px;
  border-left: 1px solid rgba(244,239,228,0.25);
  font-family: var(--f-mono);
  font-size: 0.78rem;
  letter-spacing: 0.05em;
}
.lang-switch a {
  color: var(--cream-dim);
  text-decoration: none;
}
.lang-switch a.active {
  color: var(--d-yellow);
  font-weight: 700;
}
.lang-switch a:hover { color: var(--cream); }
.lang-switch span { color: rgba(244,239,228,0.35); padding: 0 3px; }

/* ---------- Hero / sekwencja startowa ---------- */
.hero {
  background: var(--navy-deep);
  color: var(--cream);
  padding: 72px 0 56px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    0deg,
    rgba(255,255,255,0.025) 0px,
    rgba(255,255,255,0.025) 1px,
    transparent 1px,
    transparent 3px
  );
  pointer-events: none;
}

.boot-line {
  font-family: var(--f-mono);
  font-size: 0.82rem;
  color: var(--d-green);
  margin: 0 0 6px;
  opacity: 0.85;
}

.hero-title {
  font-family: var(--f-mono);
  font-size: clamp(2.4rem, 7vw, 4.4rem);
  font-weight: 700;
  margin: 18px 0 6px;
  letter-spacing: 0.01em;
}
.hero-title .mu { font-style: italic; color: var(--d-yellow); }
.boot-line .cursor {
  display: inline-block;
  width: 0.55em;
  height: 1em;
  vertical-align: -0.15em;
  background: var(--d-green);
  animation: blink 1.1s steps(1) infinite;
  margin-left: 2px;
}
@keyframes blink { 50% { opacity: 0; } }
@media (prefers-reduced-motion: reduce) {
  .boot-line .cursor { animation: none; }
}

.hero-tagline {
  font-family: var(--f-display);
  font-style: italic;
  font-size: 1.15rem;
  color: var(--cream-dim);
  max-width: 34em;
  margin: 0 0 28px;
}

.hero-meta {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
  font-family: var(--f-mono);
  font-size: 0.78rem;
  color: var(--cream-dim);
  border-top: 1px solid rgba(244,239,228,0.2);
  padding-top: 16px;
}
.hero-meta b { color: var(--d-teal); display: block; font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 3px;}

/* ---------- Sekcje ---------- */
.section {
  padding: 56px 0;
  border-bottom: 1px solid rgba(20,23,28,0.08);
}

.eyebrow {
  font-family: var(--f-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--d-red);
  margin: 0 0 8px;
}

.section h2 {
  font-family: var(--f-display);
  font-size: 2rem;
  margin: 0 0 20px;
}

.section p { max-width: 62em; }

.lede {
  font-size: 1.15rem;
  color: #3a3f47;
}

/* ---------- Ramka ekranu (element sygnaturowy) ---------- */
.crt-frame {
  background: var(--navy-deep);
  border-radius: 6px;
  padding: 10px 10px 14px;
  box-shadow: 0 12px 28px rgba(12,23,48,0.25);
}
.crt-frame .screen {
  border-radius: 2px;
  overflow: hidden;
  border: 1px solid rgba(244,239,228,0.15);
  position: relative;
}
.crt-frame .screen::after {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg, rgba(0,0,0,0.08) 0px, rgba(0,0,0,0.08) 1px,
    transparent 1px, transparent 2px
  );
  pointer-events: none;
}
.crt-frame .screen a { display: block; line-height: 0; }
.crt-frame .screen img { cursor: zoom-in; transition: filter 0.15s ease; }
.crt-frame .screen a:hover img { filter: brightness(1.08); }
.crt-frame figcaption {
  font-family: var(--f-mono);
  font-size: 0.72rem;
  color: var(--cream-dim);
  padding-top: 8px;
  display: flex;
  justify-content: space-between;
}
.crt-frame figcaption .diamond { width: 12px; height: 12px; }

.shot-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 22px;
  margin-top: 28px;
}

/* ---------- Oś czasu ---------- */
.timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  border-left: 2px solid var(--navy-light);
}
.timeline li {
  position: relative;
  padding: 0 0 28px 26px;
}
.timeline li::before {
  content: "";
  position: absolute;
  left: -7px;
  top: 4px;
  width: 12px;
  height: 12px;
  background: var(--d-yellow);
  border: 2px solid var(--navy-deep);
  border-radius: 50%;
}
.timeline .year {
  font-family: var(--f-mono);
  font-weight: 700;
  color: var(--navy);
  display: block;
  font-size: 0.95rem;
  margin-bottom: 2px;
}
.timeline h3 { margin: 0 0 6px; font-family: var(--f-display); font-size: 1.2rem; }
.timeline p { margin: 0; color: #3a3f47; }

/* ---------- Karty zespołu / info ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
  margin-top: 24px;
}
.card {
  background: #fff;
  border: 1px solid rgba(20,23,28,0.1);
  border-top: 3px solid var(--d-blue);
  padding: 18px 20px;
}
.card h3 { font-family: var(--f-display); margin: 0 0 6px; font-size: 1.05rem; }
.card p { margin: 0; font-size: 0.92rem; color: #4a4f57; }

/* ---------- Stopka ---------- */
.site-footer {
  background: var(--navy-deep);
  color: var(--cream-dim);
  padding: 32px 0;
  font-family: var(--f-mono);
  font-size: 0.78rem;
}
.site-footer a { color: var(--cream); }

.placeholder-box {
  border: 1px dashed var(--navy-light);
  padding: 40px 24px;
  text-align: center;
  color: #6a6f77;
  font-family: var(--f-mono);
  font-size: 0.85rem;
}

/* ---------- Czytaj dalej (details/summary) ---------- */
details.more {
  margin-top: 10px;
}
details.more > summary {
  cursor: pointer;
  color: var(--navy);
  font-family: var(--f-mono);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  list-style: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 2px 0;
  border-bottom: 1px dotted var(--navy-light);
}
details.more > summary::-webkit-details-marker { display: none; }
details.more > summary::before {
  content: "+";
  font-weight: 700;
  color: var(--d-red);
}
details.more[open] > summary::before { content: "–"; }
details.more[open] > summary { border-bottom-color: transparent; }
details.more > summary:hover { color: var(--d-red); }
details.more .more-body {
  margin-top: 12px;
  padding-left: 2px;
  border-left: 2px solid var(--cream-dim);
  padding-left: 14px;
}
details.more .more-body p:first-child { margin-top: 0; }

/* ---------- Hook / uwaga wyeksponowana ---------- */
.hook {
  font-size: 1.15rem;
  font-family: var(--f-display);
  font-style: italic;
  color: var(--navy);
  border-left: 3px solid var(--d-yellow);
  padding-left: 16px;
  margin: 0 0 18px;
}

@media (max-width: 640px) {
  .site-header .container { flex-direction: column; gap: 12px; align-items: flex-start; }
  .site-nav { flex-wrap: wrap; gap: 14px; }
}