/* PROFESSIONAL THEME */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;700&family=Oswald:wght@500&display=swap');

:root {
  --bg-body: #f2f4f7;
  --bg-surface: #ffffff;
  --text-main: #1c1c1e;
  --text-muted: #6c757d;
  --accent: #ffcc00;
  --accent-hover: #e6b800;
  --border-radius: 4px;
  --shadow: 0 2px 4px rgba(28, 28, 30, .06);
  --font-header: 'Oswald', sans-serif;
  --font-body: 'Inter', sans-serif;
  --max-width: 1200px;
  --spacing: clamp(1rem, 2vw, 2rem);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background: var(--bg-body);
  color: var(--text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Typografia */
h1, h2, h3 {
  font-family: var(--font-header);
  font-weight: 500;
  letter-spacing: .02em;
}

h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: var(--spacing);
}

h2 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  margin-bottom: calc(var(--spacing) * .75);
}

h3 {
  font-size: clamp(1.125rem, 2.5vw, 1.5rem);
  margin-bottom: calc(var(--spacing) * .5);
}

p {
  margin-bottom: 1em;
  max-width: 65ch;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

/* Layout helpers */
.container {
  width: min(100% - 2rem, var(--max-width));
  margin-inline: auto;
}

.section {
  padding-block: calc(var(--spacing) * 2);
}

/* Header */
.site-header {
  background: var(--bg-surface);
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: .75rem var(--spacing);
}

.logo {
  font-family: var(--font-header);
  font-size: 1.5rem;
  color: var(--text-main);
  white-space: nowrap;
}

/* Nawigacja */
.main-nav ul {
  list-style: none;
  display: flex;
  gap: 1.5rem;
}

.main-nav a {
  font-weight: 500;
  color: var(--text-muted);
  transition: color .2s;
}

.main-nav a:hover,
.main-nav a:focus {
  color: var(--text-main);
}

/* Mobile menu (checkbox hack) */
#menu-toggle {
  display: none;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 4px;
  cursor: pointer;
  padding: .25rem;
}

.hamburger span {
  width: 24px;
  height: 2px;
  background: var(--text-main);
  transition: transform .3s;
}

@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }
  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-surface);
    box-shadow: var(--shadow);
    transform: translateY(-150%);
    transition: transform .3s;
    padding: 1rem var(--spacing);
  }
  .main-nav ul {
    flex-direction: column;
    gap: 1rem;
  }
  #menu-toggle:checked ~ .main-nav {
    transform: translateY(0);
  }
  #menu-toggle:checked ~ .hamburger span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  #menu-toggle:checked ~ .hamburger span:nth-child(2) {
    opacity: 0;
  }
  #menu-toggle:checked ~ .hamburger span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: .75rem 1.5rem;
  font-family: var(--font-body);
  font-weight: 500;
  background: var(--accent);
  color: var(--text-main);
  border-radius: var(--border-radius);
  border: none;
  cursor: pointer;
  transition: background .2s;
}

.btn:hover,
.btn:focus {
  background: var(--accent-hover);
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--accent);
}

.btn-outline:hover,
.btn-outline:focus {
  background: var(--accent);
}

/* Cards */
.job-card,
.partner-link {
  background: var(--bg-surface);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  padding: 1.5rem;
  transition: box-shadow .2s;
}

.job-card:hover,
.partner-link:hover {
  box-shadow: 0 4px 8px rgba(28, 28, 30, .08);
}

.job-card h3 {
  margin-bottom: .5rem;
}

.job-card p {
  color: var(--text-muted);
}

/* Grids */
.offers-grid,
.partners-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(3, 1fr);
}

@media (max-width: 992px) {
  .offers-grid,
  .partners-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .offers-grid,
  .partners-grid {
    grid-template-columns: 1fr;
  }
}

/* Partners – show more (checkbox hack) */
.partners-wrapper .partners-hidden {
  display: none;
}

.partners-wrapper .show-more-checkbox {
  display: none;
}

.partners-wrapper .show-more-checkbox:checked ~ .partners-hidden {
  display: grid;
}

.partners-wrapper .show-more-checkbox:checked ~ .show-more-container {
  display: none;
}

.show-more-container {
  text-align: center;
  margin-top: 1.5rem;
}

/* Footer */
.site-footer {
  background: var(--text-main);
  color: var(--bg-surface);
  padding-block: calc(var(--spacing) * 1.5);
}

.footer-content {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
}

.footer-section {
  flex: 1 1 220px;
}

.footer-section h4 {
  font-family: var(--font-header);
  margin-bottom: .75rem;
}

.footer-section a {
  color: var(--text-muted);
  transition: color .2s;
}

.footer-section a:hover,
.footer-section a:focus {
  color: var(--bg-surface);
}

/* FAQ akordeon */
details {
  background: var(--bg-surface);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  padding: 1rem 1.5rem;
  margin-bottom: 1rem;
}

summary {
  font-weight: 500;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

summary::after {
  content: '+';
  font-size: 1.25rem;
  transition: transform .2s;
}

details[open] summary::after {
  transform: rotate(45deg);
}

details > *:not(summary) {
  margin-top: 1rem;
}

/* Subtle background pattern */
.section.decorated {
  position: relative;
  overflow: hidden;
}

.section.decorated::before {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    12deg,
    rgba(224, 224, 224, .08) 0px 1px,
    transparent 1px 12px
  );
  pointer-events: none;
}