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

:root {
  /* kolory */
  --bg-body: #f5f7fa;
  --bg-surface: #ffffff;
  --text-main: #1e2228;
  --text-muted: #6c757d;
  --accent: #ff5c1c;
  --accent-hover: #e0490f;
  --shadow: 0 2px 4px rgba(30,34,40,.06);
  --radius: 4px;
  --line: 1px solid #eef0f2;
  --font-head: 'Oswald', sans-serif;
  --font-body: 'Inter', sans-serif;
}

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

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

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

/* ---------- header ---------- */
.site-header {
  background: var(--bg-surface);
  box-shadow: var(--shadow);
  border-bottom: var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem clamp(1rem, 3vw, 2rem);
}

.logo {
  font-family: var(--font-head);
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  color: var(--text-main);
  text-transform: uppercase;
  letter-spacing: .5px;
}

/* ---------- nav ---------- */
.main-nav ul {
  list-style: none;
  display: flex;
  gap: clamp(1rem, 2vw, 2rem);
  align-items: center;
}

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

/* ---------- hamburger (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);
}

@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(-120%);
    transition: transform .3s;
    padding: 1rem clamp(1rem, 3vw, 2rem);
  }
  .main-nav ul { flex-direction: column; align-items: flex-start; }
  #menu-toggle:checked ~ .main-nav { transform: translateY(0); }
}

/* ---------- buttons ---------- */
.btn {
  display: inline-block;
  padding: .6rem 1.4rem;
  background: var(--accent);
  color: #fff;
  border-radius: var(--radius);
  font-weight: 500;
  transition: background .2s;
}
.btn:hover { background: var(--accent-hover); }

/* ---------- grids ---------- */
.offers-grid,
.partners-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(3, 1fr);
}
@media (max-width: 900px) {
  .offers-grid,
  .partners-grid { grid-template-columns: 1fr; }
}

/* ---------- job-card ---------- */
.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 h3 {
  font-family: var(--font-head);
  font-size: clamp(1.1rem, 1.5vw, 1.25rem);
  color: var(--text-main);
}
.job-card p { color: var(--text-muted); }

/* ---------- partner-link ---------- */
.partner-link {
  background: var(--bg-surface);
  border: var(--line);
  border-radius: var(--radius);
  padding: 1.25rem;
  text-align: center;
  font-weight: 500;
  color: var(--text-muted);
  transition: border-color .2s, color .2s;
}
.partner-link:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ---------- partners "show more" (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; }
.show-more-container { text-align: center; margin-top: 1rem; }

/* ---------- faq accordion (details) ---------- */
details {
  background: var(--bg-surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1rem 1.25rem;
  margin-bottom: .75rem;
}
summary {
  font-weight: 700;
  cursor: pointer;
  color: var(--text-main);
  outline: none;
}
details[open] summary { margin-bottom: .5rem; }
details p { color: var(--text-muted); }

/* ---------- footer ---------- */
.site-footer {
  background: var(--text-main);
  color: var(--bg-body);
  padding: 2rem clamp(1rem, 3vw, 2rem);
  margin-top: 3rem;
}
.footer-content {
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}
.footer-section h4 {
  font-family: var(--font-head);
  margin-bottom: .5rem;
}
.footer-section a { color: var(--text-muted); }
.footer-section a:hover { color: var(--accent); }

/* ---------- subtle decoration ---------- */
.decorated {
  background-image: repeating-linear-gradient(
    45deg,
    transparent,
    transparent 23px,
    #eef0f2 23px,
    #eef0f2 24px
  );
}

/* ---------- headings ---------- */
h1, h2, h3 { font-family: var(--font-head); line-height: 1.2; }
h1 { font-size: clamp(2rem, 4vw, 3rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.25rem); }
h3 { font-size: clamp(1.2rem, 2.2vw, 1.5rem); }