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

:root {
  /* Paleta kolorów */
  --bg-body: #f5f7fa;
  --bg-surface: #ffffff;
  --text-main: #1d1d1f;
  --text-muted: #6c757d;
  --accent: #0047ba;
  --accent-hover: #00308f;

  /* Typografia */
  --font-header: 'Inter', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Spacing */
  --padding-base: 20px;
  --max-width: 1200px;
  --border-radius: 6px;
  --shadow: 0 2px 6px rgba(0,0,0,.07);

  /* Grid */
  --grid-desktop: repeat(3, 1fr);
  --grid-tablet: repeat(2, 1fr);
  --grid-mobile: 1fr;
}

/* Global resets */
*,
*::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;
}

/* Hierarchia typograficzna */
h1, h2, h3, h4, h5, h6 { font-family: var(--font-header); font-weight: 700; }
h1 { font-size: clamp(1.8rem, 2.5vw, 2.5rem); }
h2 { font-size: clamp(1.5rem, 2vw, 2rem); }
h3 { font-size: clamp(1.2rem, 1.5vw, 1.5rem); }
p  { font-size: clamp(1rem, 1.2vw, 1.1rem); }

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }

/* Kontenery */
.wrapper {
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--padding-base);
}

/* Nagłówek */
.site-header {
  background: var(--bg-surface);
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 12px;
}
.logo { font-weight: 700; font-size: 1.25rem; color: var(--accent); }

/* Nawigacja – desktop */
.main-nav ul {
  list-style: none;
  display: flex;
  gap: 24px;
}
.main-nav a {
  font-weight: 500;
  padding: 4px 0;
  border-bottom: 2px solid transparent;
  transition: border-color .2s;
}
.main-nav a:hover { border-color: var(--accent); }

/* Nawigacja – mobile (checkbox hack) */
#menu-toggle { display: none; }
.hamburger {
  display: none;
  cursor: pointer;
  flex-direction: column;
  gap: 4px;
}
.hamburger span {
  width: 24px; height: 2px;
  background: var(--text-main);
  transition: transform .2s;
}
@media (max-width: 768px) {
  .hamburger { display: flex; }
  .main-nav {
    position: absolute;
    inset: 100% 0 auto 0;
    background: var(--bg-surface);
    transform: translateY(-120%);
    transition: transform .3s;
    box-shadow: var(--shadow);
  }
  .main-nav ul {
    flex-direction: column;
    padding: var(--padding-base);
  }
  #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(7px,-6px); }
}

/* Przyciski */
.btn {
  display: inline-block;
  padding: 10px 24px;
  font-weight: 500;
  border-radius: var(--border-radius);
  background: var(--accent);
  color: #fff;
  transition: background .2s;
}
.btn:hover { background: var(--accent-hover); color: #fff; }

/* Karty ofert */
.offers-grid {
  display: grid;
  gap: 24px;
  grid-template-columns: var(--grid-desktop);
}
@media (max-width: 992px) { .offers-grid { grid-template-columns: var(--grid-tablet); } }
@media (max-width: 576px) { .offers-grid { grid-template-columns: var(--grid-mobile); } }

.job-card {
  background: var(--bg-surface);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  padding: var(--padding-base);
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.job-card h3 { color: var(--accent); }
.job-card .meta {
  font-size: .9rem;
  color: var(--text-muted);
  font-family: 'Roboto Mono', monospace;
}

/* Partnerzy */
.partners-grid {
  display: grid;
  gap: 20px;
  grid-template-columns: var(--grid-desktop);
}
@media (max-width: 992px) { .partners-grid { grid-template-columns: var(--grid-tablet); } }
@media (max-width: 576px) { .partners-grid { grid-template-columns: var(--grid-mobile); } }

.partner-link {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: var(--bg-surface);
  border: 1px solid #e5e5e5;
  border-radius: var(--border-radius);
  transition: border-color .2s, box-shadow .2s;
}
.partner-link:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow);
}

/* Pokaż więcej partnerów – 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; }

/* Akordeon FAQ */
details {
  background: var(--bg-surface);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  margin-bottom: 12px;
}
summary {
  padding: var(--padding-base);
  cursor: pointer;
  font-weight: 500;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
summary::-webkit-details-marker { display: none; }
summary::after {
  content: "+";
  font-size: 1.2rem;
  transition: transform .2s;
}
details[open] summary::after { transform: rotate(45deg); }
details .content {
  padding: 0 var(--padding-base) var(--padding-base);
  color: var(--text-muted);
}

/* Stopka */
.site-footer {
  background: var(--text-main);
  color: #fff;
  margin-top: 60px;
}
.footer-content {
  display: grid;
  gap: 40px;
  grid-template-columns: var(--grid-desktop);
  padding-block: 40px var(--padding-base);
}
@media (max-width: 992px) { .footer-content { grid-template-columns: var(--grid-tablet); } }
@media (max-width: 576px) { .footer-content { grid-template-columns: var(--grid-mobile); } }

.footer-section h4 {
  margin-bottom: 12px;
  font-size: 1rem;
  color: #cfd8dc;
}
.footer-section ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.footer-section a { color: #b0bec5; }
.footer-section a:hover { color: #fff; }

/* Utilities */
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }

/* Subtelna siatka kropek w tle sekcji */
.section-dotted {
  background-image: radial-gradient(circle, rgba(0,71,186,.04) 1px, transparent 1px);
  background-size: 24px 24px;
}