/* PROFESSIONAL THEME */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600&family=Roboto:wght@400;500&display=swap');

:root {
  /* Kolory */
  --bg-body: #ffffff;
  --bg-surface: #f5f7fa;
  --text-main: #1e1e1e;
  --text-muted: #6c757d;
  --accent: #d62828;
  --accent-hover: #b71c1c;
  --border-radius: 6px;
  --shadow: 0 2px 6px rgba(0,0,0,0.06);
  --max-width: 1200px;
  --gap: 1.5rem;
}

/* Global Reset & Base */
*,
*::before,
*::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: Roboto, sans-serif;
  font-size: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  line-height: 1.6;
  color: var(--text-main);
  background: var(--bg-body);
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4, h5, h6 { font-family: Inter, sans-serif; font-weight: 600; line-height: 1.3; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* Layout Helpers */
.wrapper {
  width: 90%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-block: 2rem;
}

/* Header */
.site-header {
  background: var(--bg-body);
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
}
.logo {
  font-family: Inter, sans-serif;
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--accent);
}
.search-form {
  flex: 1 1 320px;
  display: flex;
  gap: 0.5rem;
}
.search-form input {
  flex: 1;
  padding: 0.6rem 1rem;
  border: 1px solid #ced4da;
  border-radius: var(--border-radius);
  font-size: 1rem;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.6rem 1.25rem;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 500;
  border: none;
  border-radius: var(--border-radius);
  background: var(--accent);
  color: #fff;
  cursor: pointer;
  transition: background 0.2s;
}
.btn:hover { background: var(--accent-hover); }

/* Navigation */
.menu-toggle { display: none; }
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
}
.hamburger span {
  width: 24px;
  height: 3px;
  background: var(--text-main);
  border-radius: 2px;
  transition: 0.3s;
}
.main-nav ul {
  display: flex;
  gap: 2rem;
  list-style: none;
}
.main-nav a {
  font-weight: 500;
  color: var(--text-main);
  transition: color 0.2s;
}
.main-nav a:hover { color: var(--accent); }

/* Mobile Menu */
@media (max-width: 768px) {
  .hamburger { display: flex; }
  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-body);
    box-shadow: var(--shadow);
    transform: translateY(-150%);
    transition: transform 0.3s;
  }
  .main-nav ul {
    flex-direction: column;
    padding: 1.5rem;
  }
  .menu-toggle:checked ~ .main-nav { transform: translateY(0); }
}

/* Sections */
.section-title {
  font-size: clamp(1.5rem, 1.3rem + 1vw, 2rem);
  margin-bottom: 1.5rem;
}

/* Offer Cards */
.offers-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gap);
}
.job-card {
  background: var(--bg-surface);
  padding: 1.5rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.job-card h3 {
  font-size: 1.125rem;
  color: var(--accent);
}
.job-card .meta {
  font-size: 0.875rem;
  color: var(--text-muted);
}
@media (max-width: 900px) {
  .offers-grid { grid-template-columns: 1fr; }
}

/* Partners */
.partners-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gap);
}
.partner-link {
  background: var(--bg-surface);
  padding: 1.25rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  text-align: center;
  font-weight: 500;
  transition: transform 0.2s;
}
.partner-link:hover { transform: translateY(-2px); }
.partners-hidden { display: none; }
.show-more-checkbox { display: none; }
.show-more-checkbox:checked ~ .partners-hidden { display: grid; }
.show-more-checkbox:checked ~ .show-more-container { display: none; }
.show-more-container { text-align: center; margin-top: 1.5rem; }
@media (max-width: 900px) {
  .partners-grid { grid-template-columns: 1fr; }
}

/* Accordion (FAQ) */
details {
  background: var(--bg-surface);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  padding: 1rem 1.5rem;
  margin-bottom: 1rem;
}
summary {
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
summary::after {
  content: "+";
  font-size: 1.25rem;
  color: var(--accent);
  transition: transform 0.2s;
}
details[open] summary::after { transform: rotate(45deg); }
details p {
  margin-top: 1rem;
  color: var(--text-muted);
}

/* Footer */
.site-footer {
  background: #111;
  color: #dee2e6;
  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: 1.1rem;
  margin-bottom: 0.75rem;
  color: #fff;
}
.footer-section ul {
  list-style: none;
  font-size: 0.95rem;
}
.footer-section a {
  color: #adb5bd;
  transition: color 0.2s;
}
.footer-section a:hover { color: var(--accent); }
.footer-bottom {
  text-align: center;
  margin-top: 2rem;
  font-size: 0.875rem;
  color: #6c757d;
}