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

:root {
  /* colors */
  --bg-body: #f6f7f9;
  --bg-surface: #ffffff;
  --text-main: #1e1e1e;
  --text-muted: #6c737d;
  --accent: #004680;
  --accent-hover: #002f5c;

  /* typography */
  --ff-head: 'Manrope', sans-serif;
  --ff-body: 'Inter', sans-serif;

  /* spacing & sizing */
  --radius: 6px;
  --shadow: 0 2px 6px rgba(0,0,0,.06);
  --max-width: 1200px;
}

/* GLOBAL RESET & BASE */
*,
*::before,
*::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--ff-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-main);
  background: var(--bg-body);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* TYPOGRAPHY SCALE */
h1, h2, h3, h4, h5, h6 { font-family: var(--ff-head); font-weight: 700; }
h1 { font-size: clamp(1.8rem, 2.5vw + 1rem, 2.75rem); }
h2 { font-size: clamp(1.5rem, 2vw + 1rem, 2.25rem); }
h3 { font-size: clamp(1.25rem, 1.5vw + 1rem, 1.75rem); }
p  { margin-bottom: 1em; }

/* LAYOUT */
.wrapper {
  width: 90%;
  max-width: var(--max-width);
  margin-inline: auto;
}

/* HEADER – Split-Trust 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(--ff-head);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--accent);
}

/* NAVIGATION – desktop */
.main-nav ul {
  display: flex;
  gap: 2rem;
}
.main-nav a {
  font-weight: 500;
  color: var(--text-muted);
  transition: color .2s;
}
.main-nav a:hover { color: var(--accent); }

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

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

/* SECTIONS */
section { padding: 3rem 0; }
.bg-surface { background: var(--bg-surface); }

/* GRIDS */
.offers-grid,
.partners-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(3, 1fr);
}
@media (max-width: 768px) {
  .offers-grid,
  .partners-grid { grid-template-columns: 1fr; }
}

/* JOB CARD */
.job-card {
  background: var(--bg-surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: .75rem;
}
.job-card h3 { color: var(--accent); }
.job-card .meta {
  font-size: .875rem;
  color: var(--text-muted);
}

/* PARTNER LINK */
.partner-link {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
  background: var(--bg-surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  font-weight: 600;
  color: var(--text-muted);
  transition: color .2s, box-shadow .2s;
}
.partner-link:hover {
  color: var(--accent);
  box-shadow: 0 4px 12px rgba(0,0,0,.08);
}

/* SHOW-MORE PARTNERS – Checkbox Hack */
.partners-hidden { display: none; }
.show-more-checkbox { display: none; }
.show-more-checkbox:checked ~ .partners-hidden { display: grid; }
.show-more-checkbox:checked ~ .show-more-container { display: none; }

/* ACCORDION – details/summary */
details {
  background: var(--bg-surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1rem 1.5rem;
  margin-bottom: 1rem;
}
summary {
  font-family: var(--ff-head);
  font-weight: 600;
  cursor: pointer;
  color: var(--accent);
}
details[open] summary { margin-bottom: .75rem; }

/* FOOTER */
.site-footer {
  background: var(--accent);
  color: #fff;
  padding: 2.5rem 0 1.5rem;
  margin-top: 3rem;
}
.footer-content {
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}
.footer-section h4 {
  margin-bottom: .75rem;
  font-size: 1.1rem;
}
.footer-section a {
  color: rgba(255,255,255,.8);
  line-height: 1.8;
}
.footer-section a:hover { color: #fff; }