/* statystykisportowe.website – Corporate Stadium Theme */
@import url('https://fonts.googleapis.com/css2?family=Oswald:wght@400;600&family=Inter:wght@400;500&display=swap');

:root {
  /* Kolory */
  --bg-body: #f7f8fc;
  --bg-surface: #ffffff;
  --text-main: #111827;
  --text-muted: #6b7280;
  --accent: #059669;
  --accent-hover: #047857;
  --border-radius: 4px;
  --shadow: 0 2px 4px rgba(0,0,0,.05);
  --max-width: 1200px;
  --gap: 1.5rem;
  --font-header: 'Oswald', sans-serif;
  --font-body: 'Inter', sans-serif;
}

/* Global Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  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;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-header);
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 0.5em;
}
h1 { font-size: clamp(2rem, 1.7rem + 1.5vw, 3rem); }
h2 { font-size: clamp(1.5rem, 1.3rem + 1vw, 2.25rem); }
h3 { font-size: clamp(1.25rem, 1.1rem + 0.75vw, 1.75rem); }
p { margin-bottom: 1em; }
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }

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

/* Header – Arena Bar */
.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(--font-header);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-main);
  letter-spacing: 0.5px;
}

/* Navigation */
.main-nav ul {
  list-style: none;
  display: flex;
  gap: 2rem;
}
.main-nav a {
  font-weight: 500;
  color: var(--text-main);
  padding: 0.5rem 0;
  position: relative;
}
.main-nav a::after {
  content: '';
  position: absolute;
  left: 0; bottom: -4px;
  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;
}
.hamburger span {
  width: 24px; height: 2px;
  background: var(--text-main);
  transition: transform .25s ease;
}
@media (max-width: 768px) {
  .hamburger { display: flex; }
  .main-nav {
    position: absolute;
    inset: 100% 0 auto 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 var(--gap);
  }
  #menu-toggle:checked ~ .main-nav { transform: translateY(0); }
  #menu-toggle:checked ~ .hamburger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  #menu-toggle:checked ~ .hamburger span:nth-child(2) { opacity: 0; }
  #menu-toggle:checked ~ .hamburger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: var(--border-radius);
  font-weight: 500;
  background: var(--accent);
  color: #fff;
  transition: background .2s ease;
}
.btn:hover { background: var(--accent-hover); color: #fff; }

/* Cards */
.job-card {
  background: var(--bg-surface);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.job-card h3 { margin-bottom: 0.25em; }
.job-card .meta {
  font-size: 0.875rem;
  color: var(--text-muted);
}

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

/* Partners */
.partner-link {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  background: var(--bg-surface);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  transition: transform .2s ease, box-shadow .2s ease;
}
.partner-link:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0,0,0,.08);
}

/* Show More Partners – 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; }

/* FAQ – Accordion */
details {
  background: var(--bg-surface);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  padding: 1rem 1.5rem;
  margin-bottom: 1rem;
}
summary {
  font-weight: 500;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
summary::after {
  content: '+';
  font-size: 1.25rem;
  transition: transform .2s ease;
}
details[open] summary::after { transform: rotate(45deg); }
details[open] summary { margin-bottom: 0.5rem; }

/* Footer */
.site-footer {
  background: var(--text-main);
  color: #e5e7eb;
  padding: 2.5rem 0 1.5rem;
  margin-top: 3rem;
}
.footer-content {
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}
.footer-section h4 {
  font-size: 1.125rem;
  margin-bottom: 0.75rem;
  color: #fff;
}
.footer-section a { color: #d1d5db; }
.footer-section a:hover { color: #fff; }