/* Flawguard: jeden arkusz dla strony w budowie i podgladu. Bez fontow z sieci (systemowy stos),
   bez obrazow rastrowych; logo to <symbol> SVG w kazdej stronie. */
:root {
  --bg: #f6f8fb; --bg2: #e9eff6; --ink: #0f172a; --muted: #475569; --line: #d5dde8;
  --card: #ffffff; --accent: #0f766e; --accent-ink: #115e59; --crack: #d97706; --warn-bg: #fef3c7; --warn-ink: #78350f;
  --shield: #0f766e;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0a0f1c; --bg2: #101a2e; --ink: #e8edf6; --muted: #a3b0c5; --line: #22304a;
    --card: #111a2c; --accent: #2dd4bf; --accent-ink: #5eead4; --crack: #fbbf24; --warn-bg: #3a2a07; --warn-ink: #fde68a;
    --shield: #0f766e;
  }
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; min-height: 100vh; display: flex; flex-direction: column;
  background: var(--bg); color: var(--ink);
  font: 1rem/1.65 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
main { flex: 1; width: 100%; max-width: 62rem; margin: 0 auto; padding: 0 1.25rem; }
a { color: var(--accent-ink); text-underline-offset: .2em; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 4px; }
.skip { position: absolute; inset-inline-start: -999px; top: .5rem; background: var(--card); color: var(--ink); padding: .5rem .9rem; border-radius: .5rem; z-index: 10; }
.skip:focus { inset-inline-start: .75rem; }
.fg-shield { fill: var(--shield); }
.fg-crack { stroke: var(--crack); }

.preview { background: var(--warn-bg); color: var(--warn-ink); padding: .6rem 1.25rem; text-align: center; font-size: .94rem; border-bottom: 1px solid var(--line); }
.preview strong { display: inline-block; margin-inline-end: .5rem; letter-spacing: .02em; }

.bar { display: flex; align-items: center; justify-content: space-between; gap: 1rem; width: 100%; max-width: 62rem; margin: 0 auto; padding: 1.1rem 1.25rem; }
.brand { display: inline-flex; align-items: center; gap: .6rem; color: var(--ink); text-decoration: none; font-weight: 700; font-size: 1.2rem; letter-spacing: -.01em; }
.mark { width: 2rem; height: 2rem; }
.lang { min-height: 44px; display: inline-flex; align-items: center; padding: 0 .9rem; border: 1px solid var(--line); border-radius: 999px; color: var(--ink); text-decoration: none; font-size: .95rem; background: var(--card); }
.lang:hover { border-color: var(--accent); }

.hero { display: grid; grid-template-columns: 1fr; gap: 2rem; align-items: center; padding: clamp(2rem, 7vw, 5rem) 0 clamp(2rem, 6vw, 4rem); }
.hero-narrow { padding-bottom: 1rem; }
.hero-text { max-width: 40rem; }
.art { display: none; width: 100%; max-width: 16rem; justify-self: center; filter: drop-shadow(0 18px 30px rgba(15, 118, 110, .25)); }
.badge { display: inline-block; margin: 0 0 1rem; padding: .25rem .8rem; border: 1px solid var(--crack); color: var(--crack); border-radius: 999px; font-size: .85rem; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; }
h1 { margin: 0 0 1rem; font-size: clamp(2.3rem, 7vw, 3.8rem); line-height: 1.08; letter-spacing: -.03em; }
h2 { margin: 0 0 .6rem; font-size: 1.35rem; line-height: 1.25; }
h3 { margin: 0 0 .4rem; font-size: 1.05rem; line-height: 1.3; }
.lead { margin: 0 0 1.6rem; font-size: clamp(1.1rem, 2.6vw, 1.35rem); color: var(--muted); line-height: 1.5; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 1rem; padding: 1.1rem 1.3rem; }
.card p { margin: 0; color: var(--muted); }
.hero .card { margin-bottom: 1.4rem; border-inline-start: 4px solid var(--crack); }
.contact { margin: 0; }

.sec { padding: 2rem 0; border-top: 1px solid var(--line); max-width: 52rem; }
.sec p { margin: 0 0 .8rem; color: var(--muted); }
.grid { list-style: none; margin: 1rem 0 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr)); gap: 1rem; }

.foot { border-top: 1px solid var(--line); background: var(--bg2); padding: 1.4rem 1.25rem; font-size: .9rem; color: var(--muted); }
.foot p { max-width: 62rem; margin: 0 auto .4rem; }

/* Przelacznik jezyka bez JS: <details> z lista 22 jezykow, otwierany klawiatura i dotykiem. */
.langmenu { position: relative; }
.langmenu summary { min-height: 44px; display: inline-flex; align-items: center; gap: .5rem; padding: 0 .9rem; border: 1px solid var(--line); border-radius: 999px; color: var(--ink); background: var(--card); cursor: pointer; font-size: .95rem; list-style: none; }
.langmenu summary::-webkit-details-marker { display: none; }
.langmenu summary::after { content: ""; width: .45rem; height: .45rem; border-inline-end: 2px solid currentColor; border-block-end: 2px solid currentColor; transform: rotate(45deg) translateY(-.1rem); }
.langmenu[open] summary::after { transform: rotate(-135deg); }
.langmenu summary:hover { border-color: var(--accent); }
.langmenu ul { position: absolute; inset-inline-end: 0; top: calc(100% + .4rem); z-index: 20; list-style: none; margin: 0; padding: .4rem; min-width: 14rem; max-height: min(70vh, 30rem); overflow-y: auto; background: var(--card); border: 1px solid var(--line); border-radius: .9rem; box-shadow: 0 12px 30px rgba(15, 23, 42, .18); }
.langmenu a { display: flex; align-items: center; min-height: 44px; padding: 0 .8rem; border-radius: .6rem; color: var(--ink); text-decoration: none; }
.langmenu a:hover { background: var(--bg2); }
.langmenu a[aria-current="page"] { font-weight: 700; color: var(--accent-ink); }

/* Pismo arabskie i hebrajskie (RTL) oraz CJK i tajskie: ujemny i dodatni odstep miedzy literami psuje ich ksztalt. */
[dir="rtl"] h1, [dir="rtl"] .brand, [dir="rtl"] .badge, :lang(ja) h1, :lang(ko) h1, :lang(zh) h1, :lang(th) h1,
:lang(ja) .badge, :lang(ko) .badge, :lang(zh) .badge, :lang(th) .badge { letter-spacing: 0; }
:lang(th) body, :lang(th) .lead { line-height: 1.8; }

@media (min-width: 52rem) {
  .hero { grid-template-columns: 1.4fr 1fr; }
  .hero-narrow { grid-template-columns: 1.6fr 1fr; }
  .art { display: block; }
  .hero-narrow .art { max-width: 10rem; }
}
@media (prefers-reduced-motion: no-preference) {
  .lang { transition: border-color .15s ease; }
}
@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
}
@media print { .art, .skip { display: none; } body { background: #fff; color: #000; } }