/* FaWiLo™ — paleta D23 (jak strona CROS™). Jedna, świadoma odsłona jasna z ciemnymi pasami — bez trybu ciemnego. */
:root {
  --y: #F5C400;         /* akcent */
  --y-hi: #FFD700;
  --y-ink: #8A6A00;     /* żółty tekst na jasnym tle (AA) */
  --k: #111111;         /* tło ciemne / tekst */
  --k0: #000000;
  --k2: #1A1A1A;
  --g: #555555;         /* ciemnoszary */
  --g-line: #D9D9D9;
  --w: #FFFFFF;
  --w2: #F7F7F7;
  --w3: #EEEEEE;
  --font: "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif;
  --measure: 68ch;
  --gut: clamp(16px, 4vw, 40px);
  color-scheme: light;
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--w); color: var(--k); font: 17px/1.6 var(--font); }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--k); text-decoration-color: var(--y); text-decoration-thickness: 2px; text-underline-offset: 3px; }
a:hover { text-decoration-color: var(--k); }
:focus-visible { outline: 3px solid var(--y); outline-offset: 2px; }
h1, h2, h3 { line-height: 1.15; text-wrap: balance; margin: 0; letter-spacing: -0.01em; }
p { margin: 0; }
sup { font-size: .5em; vertical-align: .9em; line-height: 0; }

.wrap { max-width: 1160px; margin-inline: auto; padding-inline: var(--gut); }
.narrow { max-width: calc(var(--measure) + 2 * var(--gut)); }
.section { padding-block: 56px; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--y); color: var(--k); padding: 8px 12px; z-index: 10; }
.skip:focus { left: 8px; }

.eyebrow { font-size: 13px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--y-ink); margin-bottom: 12px; }
.eyebrow-y { color: var(--y); }

/* ---------- header ---------- */
.site-head { background: var(--k); color: var(--w); position: sticky; top: env(safe-area-inset-top, 0px); z-index: 5; border-bottom: 3px solid var(--y); }
.head-row { display: flex; align-items: center; justify-content: space-between; gap: 12px 24px; flex-wrap: wrap; padding-block: 12px; }
.brand { display: flex; flex-direction: column; text-decoration: none; color: var(--w); line-height: 1.1; }
.brand-mark { font-weight: 800; font-size: 22px; color: var(--y); letter-spacing: -.01em; }
.brand-sub { font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: #CFCFCF; }
.nav { list-style: none; display: flex; gap: 4px 18px; margin: 0; padding: 0; flex-wrap: wrap; }
.nav a { color: var(--w); text-decoration: none; font-size: 15px; padding-block: 6px; border-bottom: 2px solid transparent; }
.nav a:hover, .nav a[aria-current="page"] { border-bottom-color: var(--y); }
.nav a.nav-cros { color: var(--y); font-weight: 600; }
@media (max-width: 760px) {
  .site-head { position: static; }
  .nav { flex-wrap: nowrap; overflow-x: auto; max-width: 100%; padding-bottom: 4px; scrollbar-width: thin; }
  nav[aria-label] { width: 100%; }
  .nav li { flex: none; }
}

/* ---------- buttons ---------- */
.btn { display: inline-block; font-weight: 700; font-size: 16px; padding: 12px 20px; text-decoration: none; border: 2px solid transparent; border-radius: 2px; }
.btn-y { background: var(--y); color: var(--k); }
.btn-y:hover { background: var(--y-hi); }
.btn-dark { background: var(--k); color: var(--w); }
.btn-dark:hover { background: var(--k0); }
.btn-ghost { color: var(--w); border-color: #777; }
.btn-ghost:hover { border-color: var(--y); }

/* ---------- hero ---------- */
.hero { background: var(--k); color: var(--w); padding-block: 72px 64px; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr); gap: 32px 56px; align-items: end; }
.hero h1 { font-size: clamp(44px, 8vw, 92px); font-weight: 800; letter-spacing: -.03em; line-height: .98; }
.hero-sub { font-size: clamp(18px, 2.2vw, 22px); color: #E6E6E6; max-width: 36ch; margin-top: 20px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.hero-by { border-left: 3px solid var(--y); padding-left: 16px; color: #CFCFCF; font-size: 15px; }
.hero-name { display: block; color: var(--w); font-weight: 700; font-size: 20px; margin-bottom: 4px; }
@media (max-width: 760px) { .hero-grid { grid-template-columns: 1fr; } .hero { padding-block: 48px; } }

/* ---------- manifest ---------- */
.manifest { padding-block: 64px; background: var(--w); }
.manifest h2 { font-size: clamp(28px, 4vw, 40px); margin-bottom: 28px; }
.manifest h3, .prose h3 { font-size: 20px; margin-top: 32px; }
.manifest p, .prose p, .prose ul, .prose ol { margin-top: 16px; }
.epigraph { margin: 0 0 24px; padding: 20px 24px; background: var(--k); color: var(--w); border-left: 6px solid var(--y); }
.epigraph p { font-size: clamp(20px, 2.6vw, 26px); font-weight: 600; line-height: 1.3; margin: 0; }
.epigraph footer { margin-top: 8px; font-size: 14px; color: #CFCFCF; }
.anchor-line { font-size: 19px; }

/* ---------- chain (4 obszary) ---------- */
.chain-sec { background: var(--w2); padding-block: 64px; border-block: 1px solid var(--w3); }
.chain-sec h2 { font-size: clamp(26px, 3.6vw, 36px); margin-bottom: 32px; }
.chain { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; counter-reset: c; }
.chain li { position: relative; }
.chain li + li::before { content: "→"; position: absolute; left: -.6em; top: 20px; font-size: 26px; font-weight: 800; color: var(--y-ink); z-index: 1; background: var(--w2); line-height: 1; }
.chain a { display: flex; flex-direction: column; gap: 8px; height: 100%; padding: 20px 24px 24px; text-decoration: none; color: var(--k); border-top: 4px solid var(--k); }
.chain a:hover { border-top-color: var(--y); background: var(--w); }
.chain-n { font-size: 13px; font-weight: 700; color: var(--g); font-variant-numeric: tabular-nums; }
.chain-name { font-size: 24px; font-weight: 800; }
.chain-head { font-size: 16px; font-weight: 600; }
.chain-layer { font-size: 14px; color: var(--g); margin-top: auto; padding-top: 8px; }
@media (max-width: 900px) {
  .chain { grid-template-columns: 1fr 1fr; row-gap: 24px; }
  .chain li:nth-child(3)::before { display: none; }
}
@media (max-width: 520px) {
  .chain { grid-template-columns: 1fr; row-gap: 20px; }
  .chain li + li::before { content: "↓"; left: 24px; top: -20px; background: none; display: block !important; font-size: 18px; }
}

/* ---------- briefing CTA ---------- */
.briefing { background: var(--y); color: var(--k); padding: 28px clamp(20px, 4vw, 36px); }
.briefing .eyebrow { color: var(--k); opacity: .75; }
.briefing h2 { font-size: clamp(24px, 3.4vw, 32px); margin-bottom: 12px; }
.briefing-cta { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 16px; margin-top: 20px; }
.briefing-note { font-size: 14px; }

/* ---------- cards / blog ---------- */
.latest { padding-block: 16px 64px; }
.sec-head { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; flex-wrap: wrap; margin-bottom: 24px; }
.sec-head h2 { font-size: clamp(24px, 3vw, 30px); }
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 320px), 1fr)); gap: 28px; }
.card { display: flex; flex-direction: column; background: var(--w); border: 1px solid var(--w3); }
.card-img img { aspect-ratio: 1200 / 627; object-fit: cover; width: 100%; }
.card-body { padding: 18px 20px 22px; display: flex; flex-direction: column; gap: 10px; }
.card-title { font-size: 20px; }
.card-title a { text-decoration: none; }
.card-title a:hover { text-decoration: underline; text-decoration-color: var(--y); }
.card-lead { color: var(--g); font-size: 16px; }
.meta { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 12px; font-size: 14px; color: var(--g); font-variant-numeric: tabular-nums; }
.chip { display: inline-block; font-size: 12px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; padding: 3px 8px; background: var(--k); color: var(--y); text-decoration: none; }
.rhythm { margin-top: 20px; color: var(--g); font-size: 15px; }
.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 28px; }
.filter { font: 600 15px var(--font); padding: 8px 14px; border: 2px solid var(--k); background: var(--w); color: var(--k); cursor: pointer; border-radius: 2px; }
.filter[aria-pressed="true"] { background: var(--k); color: var(--y); }
.filter-empty { padding: 16px 20px; background: var(--w2); margin-bottom: 24px; }
.soon { padding: 20px 24px; background: var(--w2); border-left: 4px solid var(--y); }

/* ---------- page heads ---------- */
.page-head { background: var(--k); color: var(--w); padding-block: 56px 48px; }
.page-head h1 { font-size: clamp(34px, 5.5vw, 60px); font-weight: 800; letter-spacing: -.02em; max-width: 20ch; }
.page-sub { font-size: clamp(17px, 2vw, 20px); color: #E0E0E0; margin-top: 16px; max-width: 60ch; }

/* ---------- area ---------- */
.area-body h2 { font-size: 24px; margin: 40px 0 20px; }
.area-facts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px 40px; margin: 0; }
.area-facts div { border-top: 2px solid var(--k); padding-top: 12px; }
.area-facts dt { font-size: 13px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--y-ink); }
.area-facts dd { margin: 6px 0 0; font-size: 17px; }
.area-nav { display: flex; justify-content: space-between; gap: 16px; margin-top: 40px; font-weight: 600; }
@media (max-width: 640px) { .area-facts { grid-template-columns: 1fr; } }

/* ---------- post ---------- */
.post-head { background: var(--k); color: var(--w); padding-block: 48px 120px; }
.post-head .meta { color: #CFCFCF; }
.post-head .chip { background: var(--y); color: var(--k); }
.post-head h1 { font-size: clamp(28px, 4.2vw, 44px); font-weight: 800; margin-top: 16px; }
.lead { font-size: clamp(18px, 2.2vw, 21px); font-weight: 600; color: #F0F0F0; margin-top: 20px; border-left: 4px solid var(--y); padding-left: 16px; }
.post-img { margin: -96px auto 0; max-width: 1000px; }
.post-img img { width: 100%; border: 1px solid var(--k2); }
.prose { padding-block: 40px 8px; }
.prose h2 { font-size: clamp(22px, 2.8vw, 27px); margin-top: 44px; }
.prose ol li, .prose ul li { margin-top: 8px; }
.prose blockquote { margin: 24px 0; padding: 16px 22px; background: var(--k); color: var(--w); border-left: 6px solid var(--y); }
.prose blockquote p { margin: 0; font-size: 21px; font-weight: 600; line-height: 1.35; }
.table-wrap { overflow-x: auto; margin-top: 20px; }
.prose table { border-collapse: collapse; width: 100%; min-width: 520px; font-size: 15px; }
.prose th { text-align: left; background: var(--k); color: var(--y); padding: 10px 12px; font-size: 14px; }
.prose td { padding: 10px 12px; border-bottom: 1px solid var(--g-line); vertical-align: top; }
.prose td:first-child { font-weight: 600; }
.post-foot { display: grid; gap: 32px; padding-block: 32px 64px; }
.post-foot h2 { font-size: 18px; margin-bottom: 10px; }
.channels ul, .lit ul { margin: 0; padding-left: 20px; }
.channels li, .lit li { margin-top: 6px; }
.tags { color: var(--y-ink); font-weight: 600; font-size: 15px; word-spacing: 4px; }
.author { border-top: 2px solid var(--k); padding-top: 16px; font-size: 16px; color: var(--g); }
.author strong { color: var(--k); }
.prevnext { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.prevnext a { text-decoration: none; font-weight: 600; }
.prevnext span { display: block; font-size: 13px; color: var(--g); font-weight: 400; }
.prevnext .next { text-align: right; }

/* ---------- CROS band ---------- */
.cros-sec { background: var(--k); color: var(--w); padding-block: 56px; }
.cros-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr); gap: 24px 56px; align-items: start; }
.cros-sec h2 { font-size: clamp(26px, 3.4vw, 36px); }
.cros-sec p + p { margin-top: 20px; }
.cros-sec p { color: #E6E6E6; }
@media (max-width: 760px) { .cros-grid { grid-template-columns: 1fr; } }

/* ---------- contact ---------- */
.contact-list { margin-top: 40px; }
.contact-list h2 { font-size: 22px; margin-bottom: 12px; }
.contact-list ul { list-style: none; margin: 0; padding: 0; }
.contact-list li { display: grid; grid-template-columns: 110px 1fr; gap: 12px; padding-block: 12px; border-bottom: 1px solid var(--w3); }
.contact-list li span:first-child { font-weight: 700; }
.small { font-size: 14px; color: var(--g); }

/* ---------- footer ---------- */
.site-foot { background: var(--k0); color: #CFCFCF; padding-block: 40px 24px; font-size: 15px; }
.site-foot a { color: var(--w); }
.foot-grid { display: grid; grid-template-columns: minmax(0, 2fr) minmax(0, 1fr); gap: 24px; }
.foot-brand { color: var(--y); font-weight: 800; font-size: 18px; margin-bottom: 8px; }
.foot-links { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.foot-base { margin-top: 32px; padding-top: 16px; border-top: 1px solid #333; font-size: 13px; color: #9A9A9A; }
@media (max-width: 640px) { .foot-grid { grid-template-columns: 1fr; } }

/* ---------- podgląd: brakujące dane ---------- */
.todo { background: repeating-linear-gradient(-45deg, #FFF3B0 0 8px, #FFE680 8px 16px); color: var(--k); outline: 1px dashed var(--y-ink); padding: 0 4px; font-size: .92em; }

@media (prefers-reduced-motion: reduce) { * { scroll-behavior: auto !important; transition: none !important; } }
html { scroll-behavior: smooth; }
[hidden] { display: none !important; }