/* PROFESSIONAL THEME */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Manrope:wght@700;800&display=swap');

:root {
  --bg-body: #ffffff;
  --bg-surface: #f7f9fc;
  --text-main: #0f172a;
  --text-muted: #64748b;
  --accent: #0ea5e9;
  --accent-hover: #0284c7;
  --border-radius: 6px;
  --shadow: 0 2px 6px rgba(15,23,42,.06);
  --max-width: 1200px;
  --spacing: clamp(1rem, 2vw, 2rem);
}

/* Global Reset & Base */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', sans-serif;
  font-size: clamp(1rem, .95rem + .25vw, 1.125rem);
  line-height: 1.6;
  color: var(--text-main);
  background: var(--bg-body);
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4, h5, h6 { font-family: 'Manrope', sans-serif; font-weight: 800; line-height: 1.2; }
h1 { font-size: clamp(2rem, 1.5rem + 2.5vw, 3rem); }
h2 { font-size: clamp(1.5rem, 1.2rem + 1.5vw, 2.25rem); }
h3 { font-size: clamp(1.25rem, 1.1rem + .75vw, 1.75rem); }
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }
img { max-width: 100%; display: block; }

/* Layout Helpers */
.container { max-width: var(--max-width); margin-inline: auto; padding-inline: var(--spacing); }
.section { padding-block: clamp(3rem, 5vw, 5rem); }

/* 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-block: 1rem;
}
.logo { font-family: 'Manrope', sans-serif; font-weight: 800; font-size: 1.5rem; color: var(--text-main); }

/* 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);
}
.main-nav ul {
  list-style: none;
  display: flex;
  gap: 2rem;
}
.main-nav a {
  font-weight: 500;
  color: var(--text-main);
  transition: color .2s;
}
.main-nav a:hover { color: var(--accent); }

/* Mobile Nav Open */
@media (max-width: 768px) {
  .hamburger { display: flex; }
  .main-nav {
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: var(--bg-body);
    box-shadow: var(--shadow);
    transform: translateY(-150%);
    transition: transform .3s ease;
  }
  .main-nav ul {
    flex-direction: column;
    padding: 1.5rem var(--spacing);
  }
  #menu-toggle:checked ~ .main-nav { transform: translateY(0); }
}

/* Buttons */
.btn {
  display: inline-block;
  padding: .75rem 1.5rem;
  border-radius: var(--border-radius);
  font-weight: 600;
  background: var(--accent);
  color: #fff;
  transition: background .2s;
}
.btn:hover { background: var(--accent-hover); color: #fff; }
.btn-outline {
  background: transparent;
  border: 2px solid var(--accent);
  color: var(--accent);
}
.btn-outline:hover { background: var(--accent); color: #fff; }

/* Job 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: .75rem;
}
.job-card h3 { font-size: 1.25rem; }
.job-card .meta {
  font-size: .875rem;
  color: var(--text-muted);
}
.job-card .tags {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-top: auto;
}
.tag {
  background: #e0f2fe;
  color: var(--accent-hover);
  padding: .25rem .5rem;
  border-radius: 4px;
  font-size: .75rem;
  font-weight: 500;
}

/* 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; }
}

/* Partners */
.partner-link {
  background: var(--bg-surface);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  padding: 2rem 1rem;
  text-align: center;
  transition: transform .2s;
}
.partner-link:hover { transform: translateY(-4px); }

/* Show More Partners (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; }

/* Accordion (FAQ) */
details {
  background: var(--bg-surface);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  padding: 1rem 1.25rem;
}
details + details { margin-top: 1rem; }
summary {
  font-weight: 600;
  cursor: pointer;
  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: 1rem; color: var(--text-muted); }

/* Footer */
.site-footer {
  background: #0f172a;
  color: #cbd5e1;
  padding-block: 3rem 2rem;
}
.footer-content {
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}
.footer-section h4 {
  font-size: 1rem;
  margin-bottom: .75rem;
  color: #fff;
}
.footer-section a {
  color: #94a3b8;
  font-size: .875rem;
}
.footer-section a:hover { color: var(--accent); }
.footer-bottom {
  margin-top: 2.5rem;
  text-align: center;
  font-size: .8125rem;
  color: #64748b;
}

/* Decorative Subtle Lines */
.section.decorated {
  position: relative;
}
.section.decorated::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(45deg, transparent 48%, rgba(15,23,42,.03) 48%, rgba(15,23,42,.03) 52%, transparent 52%);
  background-size: 24px 24px;
  pointer-events: none;
  z-index: 0;
}
.section.decorated > * { position: relative; z-index: 1; }