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

:root {
  --bg-body: #f5f7fa;
  --bg-surface: #ffffff;
  --text-main: #1f1f1f;
  --text-muted: #6b7280;
  --accent: #ffb703;
  --accent-hover: #ff9f0f;
  --border-radius: 6px;
  --shadow: 0 2px 4px rgba(0,0,0,0.04), 0 1px 2px rgba(0,0,0,0.06);
  --max-width: 1200px;
  --gap: 1.5rem;
}

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

html   { scroll-behavior: smooth; }
body   {
  font-family: 'Inter', sans-serif;
  background: var(--bg-body);
  color: var(--text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 { font-weight: 600; line-height: 1.3; }
h1 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); }

a      { color: inherit; text-decoration: none; }
img    { max-width: 100%; display: block; }
ul     { list-style: none; }

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

/* HEADER */
.site-header {
  background: var(--bg-surface);
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 100;
}
.top-bar {
  background: #1f1f1f;
  color: #fff;
  font-size: 0.875rem;
  padding: 0.5rem 0;
}
.top-bar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.header-main {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
}
.logo {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-main);
}
.logo span { color: var(--accent); }

/* NAV */
.main-nav ul {
  display: flex;
  gap: 1.5rem;
}
.main-nav a {
  font-weight: 500;
  color: var(--text-main);
  transition: color .2s;
}
.main-nav a:hover { color: var(--accent); }

#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: .2s;
}

/* HERO */
.hero {
  padding: 4rem 0 3rem;
  text-align: center;
}
.hero h1 { margin-bottom: 1rem; }
.hero p {
  max-width: 680px;
  margin-inline: auto;
  color: var(--text-muted);
}

/* BUTTONS */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: var(--border-radius);
  font-weight: 500;
  transition: background .2s, color .2s;
  cursor: pointer;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover { background: var(--accent-hover); }
.btn-outline {
  border: 1px solid var(--accent);
  color: var(--accent);
}
.btn-outline:hover {
  background: var(--accent);
  color: #fff;
}

/* GRIDS */
.offers-grid,
.partners-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gap);
  margin-top: 2rem;
}
.job-card,
.partner-link {
  background: var(--bg-surface);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  padding: 1.5rem;
  transition: box-shadow .2s;
}
.job-card:hover,
.partner-link:hover { box-shadow: 0 4px 8px rgba(0,0,0,.06); }
.job-card h3 { margin-bottom: 0.5rem; }
.job-card .meta {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

/* FAQ */
details {
  background: var(--bg-surface);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  padding: 1rem 1.5rem;
  margin-bottom: 1rem;
}
summary {
  font-weight: 500;
  cursor: pointer;
  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 */
.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: #1f1f1f;
  color: #e5e7eb;
  padding: 3rem 0 2rem;
  margin-top: 4rem;
}
.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2rem;
}
.footer-section h4 {
  margin-bottom: 0.75rem;
  color: var(--accent);
}
.footer-section ul li { margin-bottom: 0.5rem; }
.footer-section a:hover { color: var(--accent); }
.footer-bottom {
  text-align: center;
  margin-top: 2rem;
  font-size: 0.875rem;
  color: #9ca3af;
}

/* SUBTLE BACKGROUND PATTERN */
.pattern-bg {
  background:
    linear-gradient(135deg, transparent 75%, #e5e7eb 75%),
    linear-gradient(135deg, #e5e7eb 1px, transparent 1px);
  background-size: 40px 40px;
  opacity: 0.15;
  position: absolute;
  inset: 0;
  z-index: -1;
}

/* MOBILE */
@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;
    padding: 1rem 0;
  }
  .main-nav ul {
    flex-direction: column;
    padding: 0 1.5rem;
  }
  #menu-toggle:checked ~ .main-nav { transform: translateY(0); }

  .offers-grid,
  .partners-grid { grid-template-columns: 1fr; }
}