/*
 * EduCyfra - Główny arkusz stylów (style.css)
 * Wersja 1.0.0
 * Data: 2025-10-21
 */

/* * 1. Zmienne (CSS Custom Properties)
 * -----------------------------------------------
 */
:root {
  /* Paleta kolorów (Tryb jasny) */
  --color-primary: #0056d9; /* Głęboki niebieski dla linków i CTA */
  --color-primary-dark: #0041a3;
  --color-primary-light: #e6f0ff;
  --color-secondary: #ff6b00; /* Akcent pomarańczowy */
  --color-background: #ffffff;
  --color-background-light: #f8f9fa; /* Jasne tło sekcji */
  --color-background-dark: #212529; /* Ciemne tło sekcji */
  --color-text: #212529; /* Główny tekst */
  --color-text-light: #495057; /* Drugorzędny tekst */
  --color-text-muted: #6c757d;
  --color-text-inverted: #ffffff;
  --color-border: #dee2e6;
  --color-border-light: #e9ecef;
  --color-success: #28a745;
  --color-error: #dc3545;

  /* Typografia */
  --font-family-base: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji",
    "Segoe UI Symbol";
  --font-family-heading: "Segoe UI", Roboto, Helvetica, Arial, sans-serif; /* Bardziej wyrazisty */
  --font-size-base: 1rem; /* 16px */
  --font-size-sm: 0.875rem; /* 14px */
  --font-size-lg: 1.25rem; /* 20px */
  --font-size-h1: 2.75rem; /* 44px */
  --font-size-h2: 2.25rem; /* 36px */
  --font-size-h3: 1.75rem; /* 28px */
  --font-size-h4: 1.25rem; /* 20px */
  --line-height-base: 1.65;
  --line-height-heading: 1.3;
  --font-weight-light: 300;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-bold: 700;

  /* Układ */
  --container-max-width: 1200px;
  --container-padding: 1.5rem;
  --grid-gap: 1.5rem; /* 24px */
  --section-padding: 4rem; /* 64px */
  --section-padding-large: 6rem; /* 96px */

  /* Inne */
  --border-radius: 0.5rem; /* 8px */
  --border-radius-sm: 0.25rem; /* 4px */
  --border-radius-lg: 1rem; /* 16px */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.1);
  --transition-base: all 0.3s ease-in-out;
}

/* * 2. Tryb Ciemny (Dark Mode)
 * -----------------------------------------------
 */
@media (prefers-color-scheme: dark) {
  :root {
    --color-primary: #4da6ff;
    --color-primary-dark: #80c1ff;
    --color-primary-light: #002c66;
    --color-secondary: #ff8c33;
    --color-background: #121212;
    --color-background-light: #1e1e1e; /* Jasne tło sekcji (ciemne) */
    --color-background-dark: #000000; /* Ciemne tło sekcji (ciemne) */
    --color-text: #e0e0e0;
    --color-text-light: #b0b0b0;
    --color-text-muted: #888888;
    --color-text-inverted: #121212;
    --color-border: #333333;
    --color-border-light: #2a2a2a;
    --color-success: #3ddc62;
    --color-error: #ff5e6c;

    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.15);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.25);
  }

  img {
    opacity: 0.9;
    transition: var(--transition-base);
  }

  img:hover {
    opacity: 1;
  }
}

/* * 3. Reset i Ustawienia Globalne
 * -----------------------------------------------
 */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 100%;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  -moz-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-base);
  color: var(--color-text);
  background-color: var(--color-background);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  flex-grow: 1;
}

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

input,
button,
textarea,
select {
  font: inherit;
  border: none;
  color: inherit;
  background-color: transparent;
}

button {
  cursor: pointer;
  text-align: left;
  padding: 0;
}

ul,
ol {
  list-style: none;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: var(--transition-base);
}

a:hover,
a:focus {
  color: var(--color-primary-dark);
  text-decoration: underline;
  outline: 2px solid transparent;
  outline-offset: 2px;
}

a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: var(--border-radius-sm);
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-family-heading);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-heading);
  color: var(--color-text);
  margin-bottom: 1rem;
}

h1 {
  font-size: var(--font-size-h1);
  font-weight: 800; /* Extra bold for H1 */
}

h2 {
  font-size: var(--font-size-h2);
  font-weight: 700;
}

h3 {
  font-size: var(--font-size-h3);
  font-weight: 600;
}

h4 {
  font-size: var(--font-size-h4);
  font-weight: 600;
}

p {
  margin-bottom: 1.25rem;
  color: var(--color-text-light);
}

p:last-child {
  margin-bottom: 0;
}

strong,
b {
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
}

em,
i {
  font-style: italic;
}

blockquote {
  border-left: 4px solid var(--color-primary);
  padding-left: 1.5rem;
  margin: 1.5rem 0;
  font-style: italic;
  color: var(--color-text-muted);
}

blockquote p {
  color: inherit;
  font-size: var(--font-size-lg);
}

blockquote cite {
  display: block;
  margin-top: 1rem;
  font-style: normal;
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
}

/* * 4. Układ i Pomocniki
 * -----------------------------------------------
 */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

.section-padding {
  padding-top: var(--section-padding);
  padding-bottom: var(--section-padding);
}

.section-padding-large {
  padding-top: var(--section-padding-large);
  padding-bottom: var(--section-padding-large);
}

.bg-light {
  background-color: var(--color-background-light);
}

.bg-dark {
  background-color: var(--color-background-dark);
}

.text-light {
  color: var(--color-text-inverted);
}

.text-light h1,
.text-light h2,
.text-light h3,
.text-light h4,
.text-light p,
.text-light strong,
.text-light blockquote {
  color: var(--color-text-inverted);
}

.text-light p,
.text-light blockquote {
  color: rgba(255, 255, 255, 0.85);
}

.text-light a {
  color: var(--color-primary-dark);
}

.text-light a:hover,
.text-light a:focus {
  color: #ffffff;
}

.section-title {
  text-align: center;
  font-size: var(--font-size-h2);
  margin-bottom: 1.5rem;
}

.section-intro {
  font-size: var(--font-size-lg);
  color: var(--color-text-light);
  text-align: center;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 3.5rem;
}

.grid-2-col {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--grid-gap);
}

.grid-3-col {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--grid-gap);
}

.grid-4-col {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--grid-gap);
}

@media (min-width: 768px) {
  .grid-2-col {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid-3-col {
    grid-template-columns: repeat(3, 1fr);
  }
  .grid-4-col {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .grid-4-col {
    grid-template-columns: repeat(4, 1fr);
  }
}

.full-width {
  width: 100%;
}

/* * 5. Przyciski (CTA)
 * -----------------------------------------------
 */
.cta-button {
  display: inline-block;
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-base);
  text-align: center;
  vertical-align: middle;
  cursor: pointer;
  user-select: none;
  background-color: var(--color-primary);
  color: var(--color-text-inverted);
  border: 2px solid var(--color-primary);
  padding: 0.875rem 2rem; /* 14px 32px */
  line-height: 1.5;
  border-radius: var(--border-radius);
  text-decoration: none;
  transition: var(--transition-base);
}

.cta-button:hover,
.cta-button:focus {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: var(--color-text-inverted);
  text-decoration: none;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.cta-button:active {
  transform: translateY(0);
  box-shadow: none;
}

.cta-button.cta-outline {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.cta-button.cta-outline:hover,
.cta-button.cta-outline:focus {
  background-color: var(--color-primary-light);
  color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: none;
}

.cta-button.cta-hero-primary {
  font-size: var(--font-size-lg);
  padding: 1rem 2.5rem;
}

.cta-button.cta-hero-secondary {
  font-size: var(--font-size-lg);
  padding: 1rem 2.5rem;
  background-color: var(--color-background-light);
  color: var(--color-text);
  border-color: var(--color-border);
}

.cta-button.cta-hero-secondary:hover,
.cta-button.cta-hero-secondary:focus {
  background-color: #ffffff;
  border-color: var(--color-text);
  color: var(--color-text);
  box-shadow: var(--shadow-sm);
}

/* * 6. Header (Nagłówek)
 * -----------------------------------------------
 */
.site-header {
  position: sticky;
  top: 0;
  width: 100%;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border-light);
  box-shadow: var(--shadow-sm);
  padding: 1rem 0;
}

@media (prefers-color-scheme: dark) {
  .site-header {
    background-color: rgba(18, 18, 18, 0.95);
    border-bottom-color: var(--color-border);
  }
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo-link {
  font-size: 1.75rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  text-decoration: none;
}

.logo-link:hover,
.logo-link:focus {
  color: var(--color-primary);
  text-decoration: none;
}

.main-navigation ul {
  display: flex;
  gap: 1.5rem;
}

.main-navigation li {
  padding: 0;
  margin: 0;
}

.main-navigation a {
  display: block;
  padding: 0.5rem 0.25rem;
  color: var(--color-text-light);
  font-weight: var(--font-weight-medium);
  text-decoration: none;
  position: relative;
}

.main-navigation a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--color-primary);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.3s ease;
}

.main-navigation a:hover,
.main-navigation a:focus {
  color: var(--color-text);
  text-decoration: none;
}

.main-navigation a:hover::after,
.main-navigation a:focus::after {
  transform: scaleX(1);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.header-cta {
  padding: 0.6rem 1.25rem;
}

.mobile-menu-toggle {
  display: none;
  padding: 0.5rem;
  background: transparent;
  border: none;
  color: var(--color-text);
  z-index: 1010;
}

.mobile-menu-toggle svg {
  width: 28px;
  height: 28px;
  stroke: currentColor;
}

/* * 7. Hero Section (Sekcja Hero)
 * -----------------------------------------------
 */
.hero-section {
  padding-top: var(--section-padding-large);
  padding-bottom: var(--section-padding-large);
  overflow: hidden;
}

.hero-container {
  display: grid;
  grid-template-columns: 1fr;
  align-items: center;
  gap: 3rem;
}

.hero-text {
  text-align: left;
}

.hero-badge {
  display: inline-block;
  padding: 0.5rem 1rem;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  background-color: var(--color-primary-light);
  border-radius: 50rem;
  margin-bottom: 1.5rem;
}

.hero-text h1 {
  font-size: 3.5rem; /* Powiększenie dla hero */
  font-weight: 800;
  margin-bottom: 1.5rem;
}

.hero-text .subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-light);
  max-width: 600px;
  margin-bottom: 2.5rem;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.hero-image-container {
  display: flex;
  justify-content: center;
}

.hero-image-container img {
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  max-width: 100%;
}

@media (min-width: 992px) {
  .hero-container {
    grid-template-columns: 1fr 1fr;
  }

  .hero-text h1 {
    font-size: 4rem;
  }
}

@media (min-width: 1200px) {
  .hero-container {
    grid-template-columns: 55% 45%;
  }
}

/* * 8. Sekcja Przegląd Rozwiązań (#rozwiazania)
 * -----------------------------------------------
 */
.features-grid {
  margin-top: 3rem;
}

.feature-card {
  background-color: var(--color-background);
  border: 1px solid var(--color-border-light);
  border-radius: var(--border-radius-lg);
  padding: 2.5rem;
  transition: var(--transition-base);
  box-shadow: var(--shadow-md);
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.feature-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  margin-bottom: 1.5rem;
}

.feature-icon svg {
  width: 32px;
  height: 32px;
  stroke-width: 2;
}

.feature-card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.feature-card p {
  color: var(--color-text-light);
  font-size: var(--font-size-base);
  margin-bottom: 1rem;
}

.feature-list {
  margin-top: 1.5rem;
  padding-left: 1.25rem;
}

.feature-list li {
  position: relative;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-bottom: 0.5rem;
}

.feature-list li::before {
  content: "✓";
  position: absolute;
  left: -1.25rem;
  top: 0;
  color: var(--color-success);
  font-weight: var(--font-weight-bold);
}

/* * 9. Sekcja Taby (#funkcje)
 * -----------------------------------------------
 */
.tabs-container {
  max-width: 1000px;
  margin: 3rem auto 0;
}

.tab-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  border-bottom: 2px solid var(--color-border-light);
  margin-bottom: 2rem;
}

.tab-button {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-muted);
  padding: 1rem 1.5rem;
  border: none;
  border-bottom: 3px solid transparent;
  background: none;
  cursor: pointer;
  transition: var(--transition-base);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.tab-button svg {
  width: 20px;
  height: 20px;
  stroke: currentColor;
  transition: var(--transition-base);
}

.tab-button:hover,
.tab-button:focus {
  color: var(--color-text);
  background-color: var(--color-background);
}

.tab-button[aria-selected="true"] {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
  font-weight: var(--font-weight-bold);
}

.tab-panel {
  padding: 1rem 0;
  animation: fadeIn 0.5s ease;
}

.tab-panel[hidden] {
  display: none;
}

.tab-panel h3 {
  font-size: 1.75rem;
  margin-bottom: 1.5rem;
}

.detailed-list {
  margin-top: 1.5rem;
  margin-bottom: 1.5rem;
  padding-left: 1.5rem;
}

.detailed-list li {
  position: relative;
  padding-left: 1rem;
  margin-bottom: 1rem;
  color: var(--color-text-light);
}

.detailed-list li::before {
  content: "•";
  position: absolute;
  left: -0.5rem;
  top: 0;
  color: var(--color-primary);
  font-size: 1.5rem;
  line-height: 1;
}

.detailed-list li strong {
  color: var(--color-text);
  display: block;
  font-weight: var(--font-weight-medium);
}

/* * 10. Sekcja Jak to działa (#jak-to-dziala)
 * -----------------------------------------------
 */
.steps-list {
  max-width: 900px;
  margin: 4rem auto 0;
  counter-reset: steps-counter;
}

.step-item {
  display: flex;
  gap: 2rem;
  margin-bottom: 3rem;
  position: relative;
}

.step-item:not(:last-child)::after {
  /* Linia łącząca */
  content: "";
  position: absolute;
  left: 47px; /* Środek ikony */
  top: 96px; /* Poniżej ikony */
  bottom: -3rem;
  width: 2px;
  background-color: var(--color-border);
  z-index: 1;
}

.step-icon-wrapper {
  flex-shrink: 0;
  width: 96px;
  height: 96px;
  border-radius: 50%;
  background-color: var(--color-primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
  border: 4px solid var(--color-background);
  box-shadow: var(--shadow-md);
}

.step-icon-wrapper svg {
  width: 40px;
  height: 40px;
  color: var(--color-primary);
}

.step-content {
  padding-top: 1rem;
}

.step-number {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.5rem;
  display: block;
}

.step-content h3 {
  font-size: 1.75rem;
  margin-bottom: 0.75rem;
}

.step-content p {
  font-size: var(--font-size-base);
  color: var(--color-text-light);
}

/* * 11. Sekcja Dla Kogo (#dla-kogo)
 * -----------------------------------------------
 */
.audience-card {
  background-color: var(
    --color-background-dark
  ); /* Kolor tła karty = kolor tła sekcji */
  padding: 2rem;
  border: 1px solid #495057;
  border-radius: var(--border-radius-lg);
  transition: var(--transition-base);
}

.audience-card:hover {
  background-color: #111111;
  border-color: var(--color-text-inverted);
}

.audience-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  border-radius: var(--border-radius);
  background-color: var(--color-primary);
  color: var(--color-text-inverted);
  margin-bottom: 1.5rem;
}

.audience-icon svg {
  width: 28px;
  height: 28px;
}

.audience-card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

/* * 12. Sekcja Studium Przypadku (#studium-przypadku)
 * -----------------------------------------------
 */
.case-study-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  margin-top: 3rem;
}

.case-study-text h3 {
  font-size: 1.75rem;
  margin-bottom: 1rem;
  margin-top: 2.5rem;
}

.case-study-text h3:first-of-type {
  margin-top: 0;
}

.results-list {
  margin: 2rem 0;
  padding-left: 0;
}

.results-list li {
  font-size: 1.125rem;
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
  padding: 1.25rem;
  background-color: var(--color-primary-light);
  border-left: 4px solid var(--color-primary);
  border-radius: 0 var(--border-radius) var(--border-radius) 0;
  margin-bottom: 1rem;
}

.results-list li strong {
  font-size: 2rem;
  display: block;
  color: var(--color-primary);
  margin-bottom: 0.25rem;
}

.results-list li span {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-normal);
  color: var(--color-text-light);
}

.large-quote {
  margin-top: 2.5rem;
}

.large-quote p {
  font-size: 1.25rem;
  line-height: 1.7;
  color: var(--color-text);
}

.large-quote cite {
  font-size: var(--font-size-base);
  color: var(--color-text-light);
}

.case-study-image img {
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
}

.case-study-image figcaption {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  text-align: center;
  margin-top: 1rem;
}

@media (min-width: 992px) {
  .case-study-content {
    grid-template-columns: 2fr 1fr;
  }

  .case-study-image {
    order: -1;
  }
}

@media (min-width: 1200px) {
  .case-study-content {
    grid-template-columns: 1fr 1fr;
  }

  .case-study-image {
    order: 0;
  }
}

/* * 13. Sekcja Cennik (#plany)
 * -----------------------------------------------
 */
.pricing-table {
  margin-top: 3rem;
  align-items: stretch;
}

.pricing-plan {
  background-color: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  display: flex;
  flex-direction: column;
  height: 100%;
  box-shadow: var(--shadow-md);
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
}

.pricing-plan:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-5px);
}

.plan-popular {
  border-width: 3px;
  border-color: var(--color-primary);
}

.popular-badge {
  position: absolute;
  top: 1.5rem;
  right: -45px;
  background-color: var(--color-primary);
  color: var(--color-text-inverted);
  padding: 0.5rem 3rem;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  transform: rotate(45deg);
  z-index: 10;
}

.plan-header {
  padding: 2.5rem;
  border-bottom: 1px solid var(--color-border-light);
}

.plan-header h3 {
  font-size: 1.75rem;
  margin-bottom: 0.5rem;
}

.plan-description {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  min-height: 50px;
}

.plan-price {
  font-size: 2.75rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  margin-top: 1.5rem;
}

.plan-price span {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  color: var(--color-text-light);
}

.plan-features {
  padding: 2.5rem;
  flex-grow: 1;
}

.plan-features li {
  position: relative;
  padding-left: 2rem;
  margin-bottom: 1rem;
  color: var(--color-text-light);
}

.plan-features li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 2px;
  color: var(--color-success);
  font-weight: var(--font-weight-bold);
  font-size: 1.25rem;
}

.plan-features li strong {
  color: var(--color-text);
}

.plan-footer {
  padding: 2.5rem;
  border-top: 1px solid var(--color-border-light);
  margin-top: auto;
}

.pricing-footer-note {
  text-align: center;
  margin-top: 2.5rem;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* * 14. Sekcja Opinie (#opinie)
 * -----------------------------------------------
 */
.testimonials-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--grid-gap);
}

.testimonial-card {
  background-color: var(--color-background-light);
  border: 1px solid var(--color-border-light);
  border-radius: var(--border-radius-lg);
  padding: 2.5rem;
  margin: 0;
  border-left: 4px solid var(--color-primary);
}

.testimonial-rating {
  font-size: 1.25rem;
  color: #f0c000; /* Złoty */
  margin-bottom: 1rem;
}

.testimonial-rating span {
  margin-right: 0.25rem;
}

.testimonial-card p {
  font-size: 1.125rem;
  font-style: italic;
  color: var(--color-text);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.testimonial-card cite {
  font-style: normal;
}

.testimonial-author {
  display: block;
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  font-size: var(--font-size-base);
}

.testimonial-role {
  display: block;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

@media (min-width: 768px) {
  .testimonials-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* * 15. Sekcja Zespół (#zespol)
 * -----------------------------------------------
 */
.team-member {
  background-color: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: 2rem;
}

.team-member-info h3 {
  font-size: 1.5rem;
  margin-bottom: 0.25rem;
}

.team-member-role {
  display: block;
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  color: var(--color-primary);
  margin-bottom: 1.5rem;
}

.team-member p {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  margin-bottom: 1rem;
}

/* * 16. Sekcja FAQ (#faq)
 * -----------------------------------------------
 */
.accordion {
  max-width: 900px;
  margin: 3rem auto 0;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
}

.accordion-item {
  border-bottom: 1px solid var(--color-border);
}

.accordion-item:last-child {
  border-bottom: none;
}

.accordion-header {
  width: 100%;
  padding: 1.5rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 1.25rem;
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
  transition: var(--transition-base);
}

.accordion-header:hover,
.accordion-header:focus {
  background-color: var(--color-primary-light);
  color: var(--color-primary-dark);
}

.accordion-header span {
  text-align: left;
  padding-right: 1rem;
}

.accordion-icon {
  width: 24px;
  height: 24px;
  stroke: currentColor;
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

.accordion-header[aria-expanded="true"] .accordion-icon {
  transform: rotate(180deg);
}

.accordion-panel {
  padding: 0 2rem 2rem 2rem;
  animation: fadeIn 0.4s ease;
}

.accordion-panel[hidden] {
  display: none;
}

.accordion-panel p {
  color: var(--color-text-light);
  margin-bottom: 1rem;
}

.accordion-panel p:last-child {
  margin-bottom: 0;
}

/* * 17. Sekcja Blog (#blog)
 * -----------------------------------------------
 */
.blog-card {
  background-color: var(--color-background);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 100%;
  transition: var(--transition-base);
}

.blog-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-5px);
}

.blog-card-image {
  width: 100%;
  height: 250px;
  object-fit: cover;
}

.blog-card-content {
  padding: 2rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.blog-card-category {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  color: var(--color-secondary);
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.blog-card-content h3 {
  font-size: 1.4rem;
  margin-bottom: 1rem;
}

.blog-card-content p {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.read-more-link {
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.read-more-link svg {
  width: 18px;
  height: 18px;
  transition: transform 0.3s ease;
}

.read-more-link:hover svg {
  transform: translateX(5px);
}

/* * 18. Sekcja Formularz CTA (#rejestracja)
 * -----------------------------------------------
 */
.cta-form-container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}

.cta-list {
  margin-top: 2rem;
  padding-left: 0;
}

.cta-list li {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 1.125rem;
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
  margin-bottom: 1.25rem;
}

.cta-list svg {
  width: 24px;
  height: 24px;
  color: var(--color-success);
  flex-shrink: 0;
}

.cta-form-wrapper {
  background-color: var(--color-background);
  padding: 3rem;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border-light);
}

.form-title {
  font-size: 1.75rem;
  text-align: center;
  margin-bottom: 2rem;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-group-full {
  grid-column: 1 / -1;
}

.form-group label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
  margin-bottom: 0.5rem;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group select {
  width: 100%;
  padding: 0.875rem 1rem;
  font-size: var(--font-size-base);
  color: var(--color-text);
  background-color: var(--color-background-light);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  transition: var(--transition-base);
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-primary);
  background-color: var(--color-background);
  box-shadow: 0 0 0 3px rgba(0, 86, 217, 0.2);
}

.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%236c757d' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  background-size: 1.25em;
  padding-right: 3rem;
}

.form-group-consent {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.form-group-consent input[type="checkbox"] {
  width: 1.15em;
  height: 1.15em;
  margin-top: 0.2em;
  flex-shrink: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  transition: var(--transition-base);
  appearance: none;
  cursor: pointer;
}

.form-group-consent input[type="checkbox"]:checked {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23ffffff' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'%3E%3C/polyline%3E%3C/svg%3E");
  background-position: center;
  background-repeat: no-repeat;
  background-size: 0.8em;
}

.form-group-consent label {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  line-height: 1.5;
}

.form-group-consent label a {
  color: var(--color-primary);
  text-decoration: underline;
}

.form-group-consent label a:hover {
  color: var(--color-primary-dark);
}

.form-actions {
  margin-top: 2rem;
}

.cta-form-submit {
  font-size: 1.125rem;
  padding: 1rem;
}

.form-footer-note {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  text-align: center;
  margin-top: 1.5rem;
  margin-bottom: 0;
}

.thank-you-message {
  text-align: center;
  padding: 2rem;
  background-color: var(--color-primary-light);
  border: 1px solid var(--color-primary);
  border-radius: var(--border-radius-lg);
}

.thank-you-message h3 {
  color: var(--color-primary-dark);
}

.thank-you-message p {
  color: var(--color-text);
}

/* * 19. Stopka (Footer)
 * -----------------------------------------------
 */
.site-footer {
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.footer-column {
  margin-bottom: 1.5rem;
}

.footer-about h4 {
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
}

.footer-about p {
  font-size: var(--font-size-sm);
  line-height: 1.6;
  max-width: 350px;
}

.footer-links h4 {
  font-size: 1.125rem;
  font-weight: var(--font-weight-bold);
  margin-bottom: 1.5rem;
}

.footer-links ul {
  padding-left: 0;
}

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  font-size: var(--font-size-sm);
}

.footer-links a:hover,
.footer-links a:focus {
  color: #ffffff;
  text-decoration: underline;
}

.footer-contact {
  font-size: var(--font-size-sm);
}

.footer-contact address {
  font-style: normal;
  line-height: 1.7;
  margin-bottom: 1rem;
}

.footer-contact a {
  color: var(--color-primary-dark);
  font-weight: var(--font-weight-medium);
}

.footer-bottom {
  border-top: 1px solid #495057;
  padding-top: 2rem;
  margin-top: 2rem;
  text-align: center;
}

.footer-bottom p {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 0;
}

/* * 20. Baner Cookies
 * -----------------------------------------------
 */
#cookie-consent-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--color-background-dark);
  color: var(--color-text-inverted);
  padding: 1.5rem;
  z-index: 2000;
  box-shadow: 0 -5px 15px rgba(0, 0, 0, 0.1);
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 1.5rem;
  transform: translateY(100%);
  animation: slideUp 0.5s ease forwards;
}

@media (prefers-color-scheme: light) {
  #cookie-consent-banner {
    background-color: var(--color-background-dark);
    color: var(--color-text-inverted);
  }
  #cookie-consent-banner a {
    color: var(--color-primary-dark);
  }
  #cookie-accept-btn {
    background-color: var(--color-background);
    color: var(--color-text);
    border-color: var(--color-background);
  }
  #cookie-accept-btn:hover {
    background-color: #f1f1f1;
    border-color: #f1f1f1;
  }
}

@media (prefers-color-scheme: dark) {
  #cookie-consent-banner {
    background-color: var(--color-background-light);
    color: var(--color-text);
  }
  #cookie-consent-banner a {
    color: var(--color-primary);
  }
  #cookie-accept-btn {
    background-color: var(--color-primary);
    color: var(--color-text-inverted);
    border-color: var(--color-primary);
  }
  #cookie-accept-btn:hover {
    background-color: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
  }
}

#cookie-consent-text {
  flex-grow: 1;
  font-size: var(--font-size-sm);
  text-align: center;
}

#cookie-consent-text a {
  text-decoration: underline;
  font-weight: var(--font-weight-medium);
}

#cookie-accept-btn {
  padding: 0.75rem 1.5rem;
}

/* * 21. Animacje
 * -----------------------------------------------
 */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideUp {
  from {
    transform: translateY(100%);
  }
  to {
    transform: translateY(0%);
  }
}

.fade-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* * 22. Responsywność (Media Queries)
 * -----------------------------------------------
 */

/* Duże desktopy (np. 2K) */
@media (min-width: 1400px) {
  .container {
    max-width: 1320px;
  }

  :root {
    --font-size-base: 1.05rem; /* Lekkie powiększenie */
    --font-size-h1: 3rem;
    --font-size-h2: 2.5rem;
  }

  .hero-text h1 {
    font-size: 4.5rem;
  }
}

/* Tablety i mniejsze desktopy */
@media (max-width: 1024px) {
  :root {
    --font-size-h1: 2.5rem;
    --font-size-h2: 2rem;
    --font-size-h3: 1.6rem;
    --section-padding: 3.5rem;
    --section-padding-large: 5rem;
  }

  .hero-text h1 {
    font-size: 3rem;
  }

  .grid-4-col {
    grid-template-columns: repeat(2, 1fr);
  }

  .pricing-table {
    grid-template-columns: repeat(2, 1fr);
  }

  .cta-form-container {
    grid-template-columns: 1fr;
  }

  .cta-form-text {
    text-align: center;
  }

  .cta-form-text .subtitle {
    margin-left: auto;
    margin-right: auto;
  }

  .cta-list {
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
    text-align: left;
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }

  .footer-about {
    grid-column: 1 / -1;
    text-align: center;
  }
  .footer-about p {
    margin-left: auto;
    margin-right: auto;
  }
}

/* Tablety (orientacja pionowa) */
@media (max-width: 768px) {
  :root {
    --font-size-h1: 2.25rem;
    --font-size-h2: 1.85rem;
    --font-size-h3: 1.5rem;
    --section-padding: 3rem;
    --section-padding-large: 4rem;
    --container-padding: 1rem;
  }

  .hero-section {
    padding-top: var(--section-padding);
    padding-bottom: var(--section-padding);
  }

  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-text {
    text-align: center;
  }

  .hero-text .subtitle {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-cta-group {
    justify-content: center;
  }

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

  .section-intro {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
  }

  .grid-2-col,
  .grid-3-col,
  .grid-4-col {
    grid-template-columns: 1fr;
  }

  .pricing-table {
    grid-template-columns: 1fr;
  }

  .case-study-content {
    grid-template-columns: 1fr;
  }

  .case-study-image {
    order: -1;
  }

  .step-item {
    flex-direction: column;
    gap: 1rem;
    align-items: center;
    text-align: center;
  }

  .step-content {
    padding-top: 0;
  }

  .step-item:not(:last-child)::after {
    left: 50%;
    transform: translateX(-50%);
    top: 96px;
    bottom: -3rem;
    height: 3rem;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer-links ul {
    padding-left: 0;
  }

  .footer-contact address {
    margin-left: auto;
    margin-right: auto;
  }

  /* Nawigacja mobilna */
  .mobile-menu-toggle {
    display: block;
  }

  .header-actions .header-cta {
    display: none;
  }

  .main-navigation {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-background);
    border-bottom: 1px solid var(--color-border-light);
    box-shadow: var(--shadow-md);
    padding: 1rem;
    height: calc(100vh - 75px);
    overflow-y: auto;
  }

  .main-navigation.nav-open {
    display: block;
  }

  .main-navigation ul {
    flex-direction: column;
    gap: 0;
  }

  .main-navigation a {
    padding: 1rem;
    font-size: 1.25rem;
    border-bottom: 1px solid var(--color-border-light);
  }

  .main-navigation a::after {
    display: none;
  }

  .main-navigation li:last-child a {
    border-bottom: none;
  }

  @media (prefers-color-scheme: dark) {
    .main-navigation {
      background-color: var(--color-background-light);
      border-bottom-color: var(--color-border);
    }
    .main-navigation a {
      border-bottom-color: var(--color-border);
    }
  }
}

/* Małe telefony */
@media (max-width: 480px) {
  :root {
    --font-size-h1: 2rem;
    --font-size-h2: 1.7rem;
    --container-padding: 1rem;
  }

  .hero-text h1 {
    font-size: 2.5rem;
  }

  .hero-cta-group {
    flex-direction: column;
    gap: 1rem;
  }

  .cta-button {
    width: 100%;
  }

  .feature-card {
    padding: 1.5rem;
  }

  .tab-button {
    width: 100%;
    justify-content: center;
  }

  .accordion-header {
    padding: 1.25rem;
    font-size: 1.1rem;
  }

  .accordion-panel {
    padding: 0 1.25rem 1.25rem 1.25rem;
  }

  .cta-form-wrapper {
    padding: 2rem;
  }

  #cookie-consent-banner {
    flex-direction: column;
    padding: 1rem;
    gap: 1rem;
  }

  #cookie-accept-btn {
    width: 100%;
  }
}