/* PROFESSIONAL THEME */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Merriweather:wght@700&display=swap');

:root {
  /* Kolory */
  --bg-body: #ffffff;
  --bg-surface: #f5f7fa;
  --text-main: #1e1e1e;
  --text-muted: #6c757d;
  --accent: #2e7d32;
  --accent-hover: #1b5e20;
  /* Cienie */
  --shadow: 0 2px 6px rgba(0,0,0,.06);
  /* Czcionki */
  --ff-header: 'Merriweather', serif;
  --ff-body: 'Inter', sans-serif;
  /* Radius */
  --radius: 6px;
  /* Spacing */
  --gap: 1.5rem;
}

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

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

h1, h2, h3 {
  font-family: var(--ff-header);
  font-weight: 700;
  line-height: 1.3;
}

h1 { font-size: clamp(1.8rem, 2.5vw, 2.5rem); }
h2 { font-size: clamp(1.4rem, 2vw, 2rem); }
h3 { font-size: clamp(1.1rem, 1.5vw, 1.5rem); }

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

/* Layout helpers */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* Header */
.site-header {
  background: var(--bg-body);
  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: 1.5rem;
  color: var(--accent);
}

/* Desktop nav */
.main-nav ul {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.main-nav a {
  font-weight: 500;
  color: var(--text-main);
  padding: .5rem 0;
  position: relative;
}

.main-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width .25s ease;
}

.main-nav a:hover::after { width: 100%; }

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

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: .25rem;
}

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

#menu-toggle:checked ~ .main-nav { transform: translateX(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-block;
  background: var(--accent);
  color: #fff;
  padding: .65rem 1.5rem;
  border-radius: var(--radius);
  font-weight: 500;
  transition: background .25s ease;
}

.btn:hover { background: var(--accent-hover); color: #fff; }

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

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

.job-card h3 { color: var(--accent); }

/* Partners */
.partner-link {
  background: var(--bg-surface);
  border-radius: var(--radius);
  padding: 1.25rem;
  text-align: center;
  box-shadow: var(--shadow);
  transition: transform .25s ease, box-shadow .25s ease;
}

.partner-link:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 10px rgba(0,0,0,.08);
}

/* FAQ akordeon */
details {
  background: var(--bg-surface);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  margin-bottom: .75rem;
  cursor: pointer;
}

summary {
  font-weight: 600;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

summary::after {
  content: "+";
  font-size: 1.2rem;
  transition: transform .2s ease;
}

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

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

/* Footer */
.site-footer {
  background: #111;
  color: #e5e5e5;
  padding: 2.5rem 0 1.5rem;
  margin-top: 3rem;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2rem;
}

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

.footer-section a { color: #bbb; }
.footer-section a:hover { color: #fff; }

/* "Pokaż więcej" partnerów – checkbox hack */
.partners-wrapper .partners-hidden { display: none; }
.partners-wrapper .show-more-checkbox:checked ~ .partners-hidden { display: grid; }
.partners-wrapper .show-more-checkbox:checked ~ .show-more-container { display: none; }

/* Mobile */
@media (max-width: 768px) {
  .hamburger { display: flex; }

  .main-nav {
    position: fixed;
    inset: 0 0 0 30%;
    background: var(--bg-body);
    transform: translateX(100%);
    transition: transform .3s ease;
    padding: 4rem 2rem;
    box-shadow: var(--shadow);
  }

  .main-nav ul {
    flex-direction: column;
    gap: 1.5rem;
  }

  .offers-grid,
  .partners-grid { grid-template-columns: 1fr; }
}