/* ==========================================================================
   narzedzia-ai.pl — Globalny arkusz stylów
   Statyczny serwis Programmatic SEO · Cloudflare Pages
   ========================================================================== */

/* --- Reset ---------------------------------------------------------------- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

img,
picture,
video,
svg {
  max-width: 100%;
  display: block;
}

body {
  min-height: 100vh;
}

/* --- Custom Properties ---------------------------------------------------- */
:root {
  --color-bg: #f8f9fc;
  --color-text: #1a1a2e;
  --color-text-muted: #6b7280;
  --color-accent: #1a3a8f;
  --color-accent-hover: #15307a;
  --color-border: #e5e7eb;
  --color-card-bg: #ffffff;
  --color-footer-bg: #f3f4f6;
  --color-cta-bg: rgb(245, 247, 250);
  --color-table-stripe: #f9fafb;

  --max-width: 720px;
  --font-base: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-size-base: 17px;
  --line-height-base: 1.7;

  --radius: 8px;
  --transition: 0.2s ease;
}

/* --- Typografia bazowa ---------------------------------------------------- */
body {
  font-family: var(--font-base);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* --- Nagłówki ------------------------------------------------------------- */
h1, h2, h3, h4 {
  line-height: 1.3;
  color: var(--color-text);
}

h1 {
  font-size: 2.25rem;
  font-weight: 800;
  margin-top: 0;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

h2 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-top: 48px;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-top: 32px;
  margin-bottom: 8px;
}

/* --- Akapity, listy ------------------------------------------------------- */
p {
  margin-bottom: 16px;
}

ul, ol {
  margin-bottom: 16px;
  padding-left: 24px;
}

li {
  margin-bottom: 6px;
}

/* --- Kontener ------------------------------------------------------------- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 24px 16px;
}

/* --- Header — sticky, biały, subtelna kreska ----------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 12px;
  padding-bottom: 12px;
  flex-wrap: wrap;
  gap: 8px;
}

/* Logo */
.logo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: var(--color-text);
  font-weight: 600;
  font-size: 1.05rem;
  white-space: nowrap;
}

.logo svg {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
}

.logo:hover {
  color: var(--color-accent);
}

/* Nawigacja */
.site-nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

.site-nav a {
  text-decoration: none;
  color: var(--color-text-muted);
  font-size: 0.95rem;
  font-weight: 500;
  transition: color var(--transition);
}

.site-nav a:hover {
  color: var(--color-accent);
}

/* --- Linki w treści ------------------------------------------------------- */
article a,
.content a {
  color: var(--color-accent);
  text-decoration: none;
  transition: text-decoration var(--transition);
}

article a:hover,
.content a:hover {
  text-decoration: underline;
}

/* --- Tabela porównawcza --------------------------------------------------- */
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 0.95rem;
}

.comparison-table th,
.comparison-table td {
  padding: 12px;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.comparison-table th {
  font-weight: 600;
  background-color: var(--color-table-stripe);
}

/* Zebra — naprzemienne wiersze */
.comparison-table tbody tr:nth-child(even) {
  background-color: var(--color-table-stripe);
}

/* Responsywna tabela */
.table-wrapper {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 24px 0;
}

/* --- FAQ — details/summary ------------------------------------------------ */
.faq-section details {
  border-bottom: 1px solid var(--color-border);
}

.faq-section details summary {
  padding: 16px 0;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  transition: color var(--transition);
}

/* Własna strzałka */
.faq-section details summary::after {
  content: "+";
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--color-text-muted);
  flex-shrink: 0;
  transition: transform var(--transition);
}

.faq-section details[open] summary::after {
  content: "−";
}

/* Ukryj domyślny marker */
.faq-section details summary::-webkit-details-marker {
  display: none;
}

.faq-section details summary:hover {
  color: var(--color-accent);
}

.faq-section details .faq-answer {
  padding: 0 0 20px;
  color: var(--color-text-muted);
  line-height: var(--line-height-base);
}

/* --- Box CTA — wyróżniony blok z narzędziem ----------------------------- */
.cta-box {
  background-color: var(--color-cta-bg);
  border-left: 4px solid var(--color-accent);
  padding: 20px;
  margin: 24px 0;
  border-radius: 0 var(--radius) var(--radius) 0;
}

.cta-box h3 {
  margin-top: 0;
  margin-bottom: 8px;
}

.cta-box p {
  margin-bottom: 12px;
}

/* Przycisk CTA */
.button-primary {
  display: inline-block;
  padding: 12px 24px;
  background-color: var(--color-accent);
  color: #ffffff !important;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  transition: background-color 0.15s ease, transform var(--transition);
}

.button-primary:hover {
  background-color: var(--color-accent-hover);
  color: #ffffff !important;
  text-decoration: none;
  transform: translateY(-1px);
}

.button-primary:visited {
  color: #ffffff !important;
}

.button-primary:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
  color: #ffffff !important;
}

/* --- Disclosure afiliacji ------------------------------------------------- */
.affiliate-disclosure {
  font-size: 0.85rem;
  font-style: italic;
  color: var(--color-text-muted);
  margin-bottom: 24px;
  line-height: 1.5;
}

/* --- Karty narzędzi (siatka) ---------------------------------------------- */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
  margin: 24px 0;
}

.tool-card {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px;
  transition: box-shadow var(--transition), transform var(--transition);
}

.tool-card:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  transform: translateY(-2px);
}

.tool-card h3 {
  margin-top: 0;
  margin-bottom: 8px;
}

/* --- Spis treści (TOC) ---------------------------------------------------- */
.toc {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px 24px;
  margin: 32px 0;
}

.toc-title {
  font-weight: 600;
  margin-bottom: 12px;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.toc ol {
  padding-left: 24px;
  margin-bottom: 0;
  list-style-type: decimal;
}

.toc ol ol {
  list-style-type: lower-alpha;
  font-size: 0.95em;
  margin-top: 4px;
  margin-bottom: 4px;
}

.toc li {
  margin-bottom: 4px;
}

.toc a {
  color: var(--color-accent);
  text-decoration: none;
  font-size: 0.95rem;
}

.toc a:hover {
  text-decoration: underline;
}

/* --- Karta techniczna narzędzia ------------------------------------------- */
.tool-meta {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px 24px;
  margin: 16px 0 24px;
}

.tool-meta dl {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 6px 16px;
  margin-bottom: 16px;
}

.tool-meta dt {
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.tool-meta dd {
  font-size: 0.92rem;
  margin: 0;
}

.tool-meta .btn {
  margin-top: 4px;
}

/* --- Info-box (blok porównawczy / wyróżniony) ----------------------------- */
.info-box {
  background-color: var(--color-card-bg);
  border-left: 4px solid var(--color-accent);
  padding: 16px 20px;
  margin: 24px 0;
  border-radius: 0 var(--radius) var(--radius) 0;
}

.info-box strong {
  display: block;
  margin-bottom: 8px;
}

.info-box ul {
  margin-bottom: 0;
}

/* --- Step-box (krok z numerem) -------------------------------------------- */
.step-box {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  border-left: 4px solid var(--color-accent);
  padding: 20px 24px;
  margin: 16px 0;
  background-color: var(--color-card-bg);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.step-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  min-width: 36px;
  border-radius: 50%;
  background-color: var(--color-accent);
  color: #ffffff;
  font-weight: 700;
  font-size: 0.95rem;
}

.step-content p:last-child {
  margin-bottom: 0;
}

/* --- Data aktualizacji ---------------------------------------------------- */
.last-updated {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-top: 48px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
}

/* --- Hero (strona główna) ------------------------------------------------- */
.hero {
  padding: 64px 0 48px;
  border-bottom: 1px solid var(--color-border);
}

.hero .container {
  padding-top: 0;
  padding-bottom: 0;
}

.hero-badge {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  background-color: rgba(26, 58, 143, 0.08);
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 20px;
}

.hero-title {
  font-size: 2.75rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}

.text-accent {
  color: var(--color-accent);
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  max-width: 560px;
  margin-bottom: 0;
}

/* --- Label sekcji --------------------------------------------------------- */
.section-label {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  margin-bottom: 16px;
  padding-top: 8px;
}

/* --- Boxy pillarów (strona główna) ---------------------------------------- */
.pillar-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
  margin: 0 0 48px;
}

.pillar-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 28px 24px;
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--color-text);
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.pillar-card:hover {
  border-color: var(--color-accent);
  box-shadow: 0 8px 24px rgba(26, 58, 143, 0.08);
  transform: translateY(-2px);
}

.pillar-icon-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 10px;
  background-color: rgba(26, 58, 143, 0.06);
  color: var(--color-accent);
  margin-bottom: 16px;
}

.pillar-icon-wrap svg {
  width: 24px;
  height: 24px;
}

.pillar-card h2 {
  margin-top: 0;
  margin-bottom: 8px;
  font-size: 1.2rem;
}

.pillar-card p {
  color: var(--color-text-muted);
  font-size: 0.92rem;
  margin-bottom: 16px;
  line-height: 1.6;
}

.pillar-link {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-accent);
  margin-top: auto;
}

.pillar-card:hover .pillar-link {
  text-decoration: underline;
}

/* --- Sekcja wartości (strona główna) -------------------------------------- */
.values {
  padding: 48px 0 16px;
  border-top: 1px solid var(--color-border);
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 32px;
}

.value-item {
  padding: 0;
}

.value-number {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-accent);
  opacity: 0.5;
  margin-bottom: 8px;
  font-variant-numeric: tabular-nums;
}

.value-item h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-top: 0;
  margin-bottom: 6px;
}

.value-item p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: 0;
}

/* --- Footer --------------------------------------------------------------- */
.site-footer {
  background-color: var(--color-footer-bg);
  border-top: 1px solid var(--color-border);
  margin-top: 64px;
}

.site-footer .container {
  padding-top: 32px;
  padding-bottom: 32px;
  text-align: center;
}

.footer-copy {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 12px;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-links a {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition);
}

.footer-links a:hover {
  color: var(--color-accent);
}

/* --- Responsywność (mobile-first, breakpoint 720px) ----------------------- */
@media (max-width: 720px) {
  h1 {
    font-size: 1.75rem;
  }

  h2 {
    font-size: 1.4rem;
    margin-top: 36px;
  }

  .site-header .container {
    flex-direction: column;
    align-items: flex-start;
  }

  .site-nav {
    gap: 16px;
  }

  .hero {
    padding: 40px 0 32px;
  }

  .hero-title {
    font-size: 2rem;
  }

  .hero-subtitle {
    font-size: 1.05rem;
  }

  .values-grid {
    gap: 24px;
  }

  .toc {
    max-height: 320px;
    overflow-y: auto;
  }

  .tool-meta dl {
    grid-template-columns: 1fr;
    gap: 2px 0;
  }

  .tool-meta dt {
    margin-top: 8px;
  }

  .step-box {
    flex-direction: column;
    gap: 12px;
  }

  .comparison-table {
    min-width: 720px;
  }
}

/* --- Print ---------------------------------------------------------------- */
@media print {
  .site-header,
  .site-footer,
  .cta-box,
  .btn {
    display: none !important;
  }

  body {
    font-size: 12pt;
    color: #000;
  }

  a {
    color: #000;
    text-decoration: underline;
  }
}