/* PROFESSIONAL THEME */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600&family=Manrope:wght@700&display=swap');

:root {
  /* Kolory */
  --bg-body: #f5f7fa;
  --bg-surface: #ffffff;
  --text-main: #1e293b;
  --text-muted: #64748b;
  --accent: #0f172a;
  --accent-hover: #1e293b;

  /* Typografia */
  --ff-header: 'Manrope', sans-serif;
  --ff-body: 'Inter', sans-serif;
  --fw-normal: 400;
  --fw-semibold: 600;
  --fw-bold: 700;

  /* Cienie & radius */
  --shadow: 0 2px 6px rgba(15,23,42,.06);
  --radius: 6px;
}

/* Global */
*,
*::before,
*::after { box-sizing: border-box; }
html   { scroll-behavior: smooth; }
body   {
  margin: 0;
  font-family: var(--ff-body);
  font-weight: var(--fw-normal);
  line-height: 1.6;
  color: var(--text-main);
  background: var(--bg-body);
}
h1,h2,h3,h4,h5,h6 {
  font-family: var(--ff-header);
  font-weight: var(--fw-bold);
  margin: 0 0 .5em;
  line-height: 1.2;
}
h1 { font-size: clamp(1.75rem, 1.3rem + 2.25vw, 2.75rem); }
h2 { font-size: clamp(1.5rem, 1.1rem + 2vw, 2.25rem); }
h3 { font-size: clamp(1.25rem, .95rem + 1.5vw, 1.75rem); }
p  { margin: 0 0 1em; }
a  { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }

/* Layout containers */
.container {
  width: min(1200px, 90%);
  margin-inline: auto;
  padding-block: 2rem;
}

/* 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: 1rem 0;
}
.logo {
  font-family: var(--ff-header);
  font-size: 1.25rem;
  font-weight: var(--fw-bold);
  color: var(--accent);
}

/* Desktop nav */
.main-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 2rem;
}
.main-nav a {
  font-weight: var(--fw-semibold);
  color: var(--text-main);
  transition: color .2s;
}
.main-nav a:hover { color: var(--accent-hover); }

/* Mobile menu – checkbox hack */
#menu-toggle { display: none; }
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
}
.hamburger span {
  width: 24px;
  height: 2px;
  background: var(--text-main);
  transition: .2s;
}
@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 ease;
  }
  .main-nav ul {
    flex-direction: column;
    padding: 1.5rem 1rem;
  }
  #menu-toggle:checked ~ .main-nav { transform: translateY(0); }
}

/* Buttons */
.btn {
  display: inline-block;
  padding: .75rem 1.5rem;
  font-weight: var(--fw-semibold);
  color: var(--bg-surface);
  background: var(--accent);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: background .2s, color .2s;
}
.btn:hover {
  background: var(--accent-hover);
  color: var(--bg-surface);
}

/* Cards */
.job-card {
  background: var(--bg-surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: .75rem;
}
.job-card .meta {
  font-size: .875rem;
  color: var(--text-muted);
}

/* Grids */
.offers-grid,
.partners-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(3, 1fr);
}
@media (max-width: 768px) {
  .offers-grid,
  .partners-grid { grid-template-columns: 1fr; }
}

/* Partners */
.partner-link {
  background: var(--bg-surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 2rem 1rem;
  text-align: center;
  font-weight: var(--fw-semibold);
  color: var(--text-main);
  transition: transform .2s, box-shadow .2s;
}
.partner-link:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 10px rgba(15,23,42,.08);
}

/* FAQ – details akordeon */
details {
  background: var(--bg-surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1rem 1.25rem;
  margin-bottom: 1rem;
}
summary {
  font-weight: var(--fw-semibold);
  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 p { margin: .75rem 0 0; }

/* Footer */
.site-footer {
  background: var(--accent);
  color: var(--bg-surface);
  padding: 2.5rem 0 1.5rem;
  margin-top: 4rem;
}
.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2rem;
}
.footer-section h4 {
  font-size: 1rem;
  margin-bottom: .75rem;
}
.footer-section ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.footer-section a {
  color: rgba(255,255,255,.8);
  font-size: .875rem;
}
.footer-section a:hover { color: #fff; }
.footer-bottom {
  text-align: center;
  margin-top: 2rem;
  font-size: .8125rem;
  color: rgba(255,255,255,.6);
}

/* Partnerzy – pokaż więcej checkbox hack */
.partners-wrapper .partners-hidden { display: none; }
.partners-wrapper .show-more-checkbox {
  position: absolute;
  opacity: 0;
  pointer-events: 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;
}
.show-more-container label {
  cursor: pointer;
  font-weight: var(--fw-semibold);
  color: var(--accent);
}