/* =========================================================
   Kredytoteka — styl "wyciągu bankowego / książeczki oszczędnościowej"
   Paleta: atrament + papier + pieczątka
   ========================================================= */

:root {
  --ink:        #1B2A4A;   /* granatowy atrament — nagłówki, tekst główny */
  --ink-soft:   #445070;
  --paper:      #F6F2E7;   /* ciepły papier — tło strony */
  --paper-card: #FFFDF8;   /* jaśniejszy papier — karty */
  --line:       #D8D0BC;   /* linie liniatury / obramowania */
  --stamp-red:  #B3372C;   /* pieczątka / CTA */
  --stamp-red-dark: #8F2A21;
  --forest:     #2F6F52;   /* pozytywne oznaczenia (0%, promocje) */
  --gold:       #B4863B;   /* akcent premium */

  --font-display: 'Newsreader', Georgia, serif;
  --font-body: 'Work Sans', -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;

  --radius: 4px;
  --wrap: 1180px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  background-image:
    repeating-linear-gradient(180deg, transparent, transparent 27px, rgba(27,42,74,0.035) 28px);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

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

.wrap {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  margin: 0 0 0.5em;
  color: var(--ink);
}

:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* ---------- Header ---------- */

.site-header {
  border-bottom: 2px solid var(--ink);
  background: var(--paper-card);
}

.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 18px;
  padding-bottom: 18px;
  gap: 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}

.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border: 2px solid var(--ink);
  border-radius: 50%;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 15px;
  color: var(--ink);
  transform: rotate(-6deg);
}

.logo-text {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--ink);
}

.main-nav {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.main-nav a {
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--ink-soft);
  padding: 8px 12px;
  border-radius: var(--radius);
  transition: background 0.15s, color 0.15s;
}

.main-nav a:hover {
  background: var(--paper);
  color: var(--stamp-red);
}

.nav-toggle {
  display: none;
  background: none;
  border: 1.5px solid var(--ink);
  border-radius: var(--radius);
  padding: 8px 14px;
  font-family: var(--font-body);
  font-weight: 600;
  cursor: pointer;
  color: var(--ink);
}

.mobile-nav {
  display: none;
  flex-direction: column;
  border-top: 1px solid var(--line);
  padding: 8px 24px 16px;
}

.mobile-nav a {
  padding: 10px 0;
  text-decoration: none;
  color: var(--ink);
  border-bottom: 1px dashed var(--line);
  font-weight: 500;
}

.mobile-nav.is-open { display: flex; }

@media (max-width: 820px) {
  .main-nav { display: none; }
  .nav-toggle { display: inline-block; }
}

/* ---------- Breadcrumbs ---------- */

.breadcrumbs { padding: 14px 24px 0; }
.breadcrumbs ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 0;
  margin: 0;
  font-size: 0.82rem;
  color: var(--ink-soft);
  font-family: var(--font-mono);
}
.breadcrumbs li:not(:last-child)::after { content: '/'; margin-left: 6px; color: var(--line); }
.breadcrumbs a { text-decoration: none; color: var(--ink-soft); }
.breadcrumbs a:hover { color: var(--stamp-red); }

/* ---------- Hero ---------- */

.hero {
  border-bottom: 2px solid var(--ink);
  padding: 56px 0 44px;
  position: relative;
}

.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--forest);
  border: 1px solid var(--forest);
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  margin-bottom: 20px;
}

.hero-title {
  font-size: clamp(2rem, 4.4vw, 3.4rem);
  max-width: 16ch;
  margin-bottom: 0.4em;
}

.hero-sub {
  max-width: 62ch;
  color: var(--ink-soft);
  font-size: 1.08rem;
  margin: 0 0 32px;
}

.hero-stats {
  display: flex;
  gap: 36px;
  flex-wrap: wrap;
  padding-top: 20px;
  border-top: 1px dashed var(--line);
}

.hero-stats div { display: flex; flex-direction: column; }

.hero-stats strong {
  font-family: var(--font-mono);
  font-size: 1.7rem;
  color: var(--ink);
}

.hero-stats span {
  font-size: 0.82rem;
  color: var(--ink-soft);
}

/* ---------- Category sections ---------- */

.category-section { padding: 48px 0; }

.category-section__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  border-bottom: 2px solid var(--ink);
  padding-bottom: 10px;
  margin-bottom: 26px;
  flex-wrap: wrap;
}

.category-section__head h2 { font-size: 1.6rem; margin: 0; }

.link-more {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-decoration: none;
  color: var(--stamp-red);
  white-space: nowrap;
}
.link-more:hover { text-decoration: underline; }

.category-hero { padding: 44px 0 20px; }
.category-hero h1 { font-size: clamp(1.7rem, 3.6vw, 2.6rem); }
.category-hero p { color: var(--ink-soft); max-width: 68ch; }

.subcat-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}

.subcat-tab {
  text-decoration: none;
  font-size: 0.86rem;
  font-weight: 500;
  color: var(--ink-soft);
  border: 1px solid var(--line);
  background: var(--paper-card);
  padding: 7px 14px;
  border-radius: 999px 999px 0 0;
  border-bottom: 2px solid var(--line);
}

.subcat-tab:hover { color: var(--stamp-red); }

.subcat-tab.is-active {
  color: var(--ink);
  border-color: var(--ink);
  border-bottom: 2px solid var(--stamp-red);
  font-weight: 600;
}

.empty-state {
  padding: 48px 0;
  text-align: center;
  color: var(--ink-soft);
  font-family: var(--font-mono);
}

/* ---------- Offer grid & cards ---------- */

.offer-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.offer-grid--full { padding: 30px 0 60px; }

@media (max-width: 980px) {
  .offer-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .offer-grid { grid-template-columns: 1fr; }
}

.offer-card {
  position: relative;
  background: var(--paper-card);
  border: 1.5px solid var(--ink);
  border-radius: var(--radius);
  padding: 22px 20px 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  /* perforacja / brzeg biletu */
  background-image:
    radial-gradient(circle at 0 22px, var(--paper) 5px, transparent 5.5px),
    radial-gradient(circle at 100% 22px, var(--paper) 5px, transparent 5.5px);
}

.offer-card::after {
  content: '';
  position: absolute;
  left: 14px;
  right: 14px;
  top: 40px;
  border-top: 1px dashed var(--line);
}

.stamp {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 62px;
  height: 62px;
  border: 2px solid var(--stamp-red);
  border-radius: 50%;
  color: var(--stamp-red);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  transform: rotate(8deg);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.25;
  z-index: 2;
  mix-blend-mode: multiply;
}

.offer-card__top {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 22px;
  max-width: calc(100% - 70px);
}

.offer-card__logo {
  width: auto;
  height: 32px;
  max-width: 110px;
  object-fit: contain;
}

.offer-card__institution {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--ink-soft);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.offer-card__title {
  font-size: 1.1rem;
  margin: 0;
  line-height: 1.3;
}
.offer-card__title a { text-decoration: none; color: var(--ink); }
.offer-card__title a:hover { color: var(--stamp-red); }

.offer-card__bullets {
  margin: 0;
  padding-left: 18px;
  font-size: 0.88rem;
  color: var(--ink-soft);
  flex-grow: 1;
}
.offer-card__bullets li { margin-bottom: 4px; }
.offer-card__bullets li::marker { color: var(--forest); }

.offer-card__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding-top: 10px;
  border-top: 1px dashed var(--line);
  flex-wrap: wrap;
}

.offer-card__tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-decoration: none;
  color: var(--ink-soft);
  border: 1px solid var(--line);
  padding: 4px 9px;
  border-radius: 999px;
}
.offer-card__tag:hover { border-color: var(--ink); color: var(--ink); }

/* ---------- Buttons ---------- */

.btn {
  display: inline-block;
  text-decoration: none;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 10px 18px;
  border-radius: var(--radius);
  transition: transform 0.12s, box-shadow 0.12s;
}

.btn-stamp {
  background: var(--stamp-red);
  color: #fff;
  border: 1.5px solid var(--stamp-red-dark);
}
.btn-stamp:hover { transform: translateY(-1px); box-shadow: 0 3px 0 var(--stamp-red-dark); }
.btn-stamp:active { transform: translateY(0); box-shadow: none; }

.btn-lg { font-size: 1rem; padding: 14px 28px; margin: 20px 0; }

/* ---------- Trust note ---------- */

.trust-note {
  padding: 40px 0 60px;
  max-width: 74ch;
}
.trust-note h2 { font-size: 1.2rem; }
.trust-note p { color: var(--ink-soft); font-size: 0.94rem; }

/* ---------- Offer detail page ---------- */

.offer-page { padding: 30px 0 70px; }

.offer-detail {
  max-width: 680px;
  background: var(--paper-card);
  border: 1.5px solid var(--ink);
  border-radius: var(--radius);
  padding: 36px;
}

.offer-detail__logo { height: 44px; width: auto; margin-bottom: 14px; }

.offer-detail__institution {
  font-family: var(--font-mono);
  text-transform: uppercase;
  font-size: 0.8rem;
  color: var(--ink-soft);
  margin: 0 0 6px;
}

.offer-detail__rrso {
  font-family: var(--font-mono);
  display: inline-block;
  border: 1px solid var(--forest);
  color: var(--forest);
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.82rem;
  margin-bottom: 16px;
}

.offer-detail__bullets {
  padding-left: 20px;
  color: var(--ink-soft);
}
.offer-detail__bullets li { margin-bottom: 6px; }
.offer-detail__bullets li::marker { color: var(--forest); }

.offer-detail__note {
  font-size: 0.82rem;
  color: var(--ink-soft);
  border-top: 1px dashed var(--line);
  padding-top: 14px;
  margin-top: 6px;
}

/* ---------- Footer ---------- */

.site-footer {
  border-top: 2px solid var(--ink);
  background: var(--paper-card);
  padding-top: 44px;
  margin-top: 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 2fr;
  gap: 40px;
  padding-bottom: 30px;
}

@media (max-width: 780px) {
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
}

.footer-logo { margin-bottom: 10px; }
.footer-claim { color: var(--ink-soft); font-size: 0.88rem; max-width: 32ch; }

.footer-heading {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
  margin-bottom: 10px;
}

.footer-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 6px; }
.footer-list a { text-decoration: none; color: var(--ink); font-size: 0.9rem; }
.footer-list a:hover { color: var(--stamp-red); }

.footer-disclaimer p { font-size: 0.82rem; color: var(--ink-soft); line-height: 1.6; }

.footer-bottom {
  border-top: 1px dashed var(--line);
  padding: 16px 24px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--ink-soft);
}