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

:root {
  --bg-body: #f6f7f9;
  --bg-surface: #ffffff;
  --text-main: #1e1e1e;
  --text-muted: #6b7280;
  --accent: #ff6b00;
  --accent-hover: #e55e00;
  --radius: 6px;
  --shadow: 0 4px 12px -2px rgba(0,0,0,.08);
  --font-header: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --grid-gap: 24px;
  --max-width: 1200px;
  --header-height: 72px;
}

/* Global reset & base */
*,
*::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;
}

/* Typography – clamp() for fluid scaling */
h1, h2, h3, h4, h5, h6 { font-family: var(--font-header); font-weight: 700; }
h1 { font-size: clamp(1.75rem, 2.5vw, 2.25rem); }
h2 { font-size: clamp(1.375rem, 2vw, 1.75rem); }
h3 { font-size: clamp(1.125rem, 1.5vw, 1.25rem); }
p  { font-size: clamp(.9375rem, 1vw, 1rem); }

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

/* Layout helpers */
.container {
  width: 90%;
  max-width: var(--max-width);
  margin-inline: auto;
}

/* Header – Split-Nav with Bike-Chain Accent */
.site-header {
  background: var(--bg-surface);
  height: var(--header-height);
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}
.logo {
  font-family: var(--font-header);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text-main);
  letter-spacing: -.5px;
}
.logo::before {
  content: "";
  display: inline-block;
  width: 24px;
  height: 24px;
  margin-right: 8px;
  background: currentColor;
  mask: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><circle cx="12" cy="12" r="10"/><path d="m8 12 2-2 4 4 2-2"/></svg>') center/contain no-repeat;
  vertical-align: middle;
}

/* Navigation */
.main-nav ul {
  list-style: none;
  display: flex;
  gap: 32px;
}
.main-nav a {
  font-weight: 500;
  color: var(--text-muted);
  position: relative;
  transition: color .2s;
}
.main-nav a:hover { color: var(--accent); }
.main-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width .25s;
}
.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;
}
#menu-toggle:checked ~ .main-nav { transform: translateX(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: 10px 20px;
  border-radius: var(--radius);
  font-weight: 600;
  background: var(--accent);
  color: #fff;
  transition: background .2s;
}
.btn:hover { background: var(--accent-hover); color: #fff; }

/* Cards – Service-Hub grid */
.job-card {
  background: var(--bg-surface);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.job-card h3 { margin-bottom: 4px; }
.job-card .meta {
  font-size: .875rem;
  color: var(--text-muted);
}
.job-card .excerpt { color: var(--text-muted); }

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

/* Partners */
.partner-link {
  background: var(--bg-surface);
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: transform .2s, box-shadow .2s;
}
.partner-link:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px -2px rgba(0,0,0,.1);
}

/* Footer */
.site-footer {
  background: #111;
  color: #e5e5e5;
  padding: 48px 0 24px;
  margin-top: 80px;
}
.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 40px;
}
.footer-section h4 {
  font-size: 1rem;
  margin-bottom: 12px;
  color: #fff;
}
.footer-section ul {
  list-style: none;
  display: grid;
  gap: 8px;
}
.footer-section a {
  color: #bbb;
  font-size: .875rem;
}
.footer-section a:hover { color: var(--accent); }
.footer-bottom {
  margin-top: 40px;
  text-align: center;
  font-size: .8125rem;
  color: #777;
}

/* FAQ – details/summary akordeon */
details {
  background: var(--bg-surface);
  border-radius: var(--radius);
  padding: 16px 20px;
  box-shadow: var(--shadow);
  cursor: pointer;
}
details + details { margin-top: 12px; }
summary {
  font-weight: 600;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
summary::after {
  content: "+";
  font-size: 1.25rem;
  color: var(--accent);
  transition: transform .2s;
}
details[open] summary::after { transform: rotate(45deg); }
details p {
  margin-top: 12px;
  color: var(--text-muted);
}

/* 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; }

/* Responsiveness */
@media (max-width: 768px) {
  .hamburger { display: flex; }
  .main-nav {
    position: fixed;
    inset: var(--header-height) 0 0 0;
    background: var(--bg-surface);
    transform: translateX(100%);
    transition: transform .3s;
    padding: 32px;
  }
  .main-nav ul {
    flex-direction: column;
    gap: 24px;
  }
  .offers-grid,
  .partners-grid {
    grid-template-columns: 1fr;
  }
}