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

:root {
  --bg-body: #f5f7fa;
  --bg-surface: #ffffff;
  --text-main: #1e293b;
  --text-muted: #64748b;
  --accent: #0f2a56;
  --accent-hover: #1d4ed8;
  --radius: 4px;
  --shadow: 0 1px 3px rgba(15,42,86,.08);
  --font-header: 'Playfair Display', serif;
  --font-body: 'Inter', sans-serif;
  --max-width: 1200px;
  --spacing: clamp(1rem, 2vw, 2rem);
}

*,
*::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;
}

h1, h2, h3 { font-family: var(--font-header); font-weight: 700; color: var(--accent); }
h1 { font-size: clamp(1.8rem, 4vw, 2.5rem); }
h2 { font-size: clamp(1.4rem, 3vw, 2rem); }
h3 { font-size: clamp(1.1rem, 2.5vw, 1.5rem); }

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

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 var(--spacing); }

/* ---------- HEADER ---------- */
.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 var(--spacing);
}
.logo { font-family: var(--font-header); font-size: 1.5rem; color: var(--accent); }

.main-nav ul {
  list-style: none;
  display: flex;
  gap: 1.5rem;
}
.main-nav a { font-weight: 500; }

/* ---------- MOBILE MENU (Checkbox Hack) ---------- */
#menu-toggle { display: none; }
.hamburger {
  display: none;
  flex-direction: column;
  gap: 4px;
  cursor: pointer;
}
.hamburger span {
  width: 24px;
  height: 2px;
  background: var(--accent);
  transition: .3s;
}

@media (max-width: 768px) {
  .hamburger { display: flex; }
  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--bg-surface);
    box-shadow: var(--shadow);
    max-height: 0;
    overflow: hidden;
    transition: max-height .3s;
  }
  .main-nav ul { flex-direction: column; padding: 1rem var(--spacing); }
  #menu-toggle:checked ~ .main-nav { max-height: 400px; }
}

/* ---------- BUTTONS ---------- */
.btn {
  display: inline-block;
  padding: .75rem 1.5rem;
  background: var(--accent);
  color: #fff;
  border-radius: var(--radius);
  font-weight: 500;
  transition: background .2s;
}
.btn:hover { background: var(--accent-hover); color: #fff; }

/* ---------- 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; }
}

/* ---------- CARDS ---------- */
.job-card,
.partner-link {
  background: var(--bg-surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.5rem;
  transition: box-shadow .2s;
}
.job-card:hover,
.partner-link:hover { box-shadow: 0 2px 8px rgba(15,42,86,.12); }

.job-card h3 { margin-bottom: .5rem; }
.job-card .meta {
  font-size: .875rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

/* ---------- ACCORDION (FAQ) ---------- */
details {
  background: var(--bg-surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1rem 1.5rem;
  margin-bottom: 1rem;
}
summary {
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
summary::after {
  content: '+';
  font-size: 1.2rem;
  color: var(--accent);
  transition: transform .2s;
}
details[open] summary::after { transform: rotate(45deg); }
details p { margin-top: 1rem; }

/* ---------- PARTNERS “SHOW MORE” (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; }
.show-more-container { text-align: center; margin-top: 1.5rem; }

/* ---------- FOOTER ---------- */
.site-footer {
  background: var(--accent);
  color: #fff;
  margin-top: 4rem;
  padding: 2.5rem 0 2rem;
}
.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2rem;
}
.footer-section h4 { font-family: var(--font-header); margin-bottom: .75rem; }
.footer-section a { color: #cbd5e1; }
.footer-section a:hover { color: #fff; }