/* PROFESSIONAL THEME */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;700&family=Playfair+Display:wght@700&display=swap');
:root {
  --bg-body: #fafbfc;
  --bg-surface: #ffffff;
  --text-main: #1e293b;
  --text-muted: #64748b;
  --accent: #0f3d66;
  --accent-hover: #1a5a96;
  --radius: 6px;
  --shadow: 0 2px 6px rgba(15,61,102,.08);
  --font-header: 'Playfair Display', serif;
  --font-body: 'Inter', sans-serif;
}

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

html { scroll-behavior: smooth; }
body {
  background: var(--bg-body);
  color: var(--text-main);
  font-family: var(--font-body);
  font-size: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 { font-family: var(--font-header); font-weight: 700; line-height: 1.2; color: var(--accent); }
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); }

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

/* Layout containers */
.container { max-width: 1200px; margin-inline: auto; padding-inline: 1rem; }

/* Header & Navigation */
.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-block: 1rem;
}
.logo { font-family: var(--font-header); font-size: 1.5rem; font-weight: 700; 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;
    right: 0;
    background: var(--bg-surface);
    box-shadow: var(--shadow);
    transform: translateY(-150%);
    transition: transform .3s ease;
  }
  .main-nav ul { flex-direction: column; padding: 1rem; }
  #menu-toggle:checked ~ .main-nav { transform: translateY(0); }
}

/* 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); }

/* Hero / Sections */
.section { padding-block: 3rem 2rem; }
.section--wave {
  position: relative;
}
.section--wave::before {
  content: '';
  position: absolute;
  top: -1px; left: 0; right: 0;
  height: 36px;
  background: linear-gradient(to bottom, rgba(15,61,102,.05) 0%, transparent 100%);
}

/* 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 4px 12px rgba(15,61,102,.12); }

.partner-link {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100px;
  font-weight: 500;
}

/* Footer */
.site-footer {
  background: var(--accent);
  color: #fff;
  margin-top: 3rem;
}
.footer-content {
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  padding-block: 2.5rem 2rem;
}
.footer-section h4 {
  font-family: var(--font-header);
  font-size: 1.25rem;
  margin-bottom: .75rem;
  color: #fff;
}
.footer-section a { color: #e0e7ef; }
.footer-section a:hover { color: #fff; }

/* FAQ accordion (details/summary) */
details {
  background: var(--bg-surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1rem 1.25rem;
  margin-bottom: .75rem;
}
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;
  color: var(--accent);
  transition: transform .2s;
}
details[open] summary::after { transform: rotate(45deg); }

/* 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; }

/* Utility */
.text-muted { color: var(--text-muted); }
.mt-1 { margin-top: .5rem; }
.mt-2 { margin-top: 1rem; }
.mb-1 { margin-bottom: .5rem; }
.mb-2 { margin-bottom: 1rem; }