/* PROFESSIONAL THEME */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;600&family=Merriweather:wght@300;400&display=swap');

:root {
  --bg-body: #fcfcfc;
  --bg-surface: #ffffff;
  --text-main: #222222;
  --text-muted: #6c757d;
  --accent: #ff7b54;
  --accent-hover: #e86844;
  --radius: 6px;
  --shadow: 0 2px 6px rgba(0,0,0,.06);
  --max-width: 1180px;
  --gap: 24px;
  --font-header: 'Poppins', sans-serif;
  --font-body: 'Merriweather', serif;
}

/* Global reset & base */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  font-size: clamp(1rem, .95rem + .25vw, 1.125rem);
  line-height: 1.6;
  color: var(--text-main);
  background: var(--bg-body);
}
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-header);
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: .5em;
}
h1 { font-size: clamp(2rem, 1.7rem + 1.5vw, 3rem); }
h2 { font-size: clamp(1.5rem, 1.3rem + 1vw, 2.25rem); }
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }
img { max-width: 100%; display: block; }

/* Layout containers */
.wrapper {
  width: 90%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-block: var(--gap);
}

/* Header – bookstack illusion */
.site-header {
  background: var(--bg-surface);
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 20px 0;
}
.logo {
  font-family: var(--font-header);
  font-size: clamp(1.5rem, 1.2rem + 1.5vw, 2.25rem);
  color: var(--text-main);
  margin-bottom: 12px;
}
.main-nav ul {
  list-style: none;
  display: flex;
  gap: 28px;
}
.main-nav a {
  font-weight: 600;
  color: var(--text-main);
  padding: 6px 0;
  border-bottom: 2px solid transparent;
  transition: border-color .2s;
}
.main-nav a:hover { border-color: var(--accent); }

/* Mobile menu – checkbox hack */
#menu-toggle { display: none; }
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  margin-top: 10px;
}
.hamburger span {
  width: 26px;
  height: 3px;
  background: var(--text-main);
  border-radius: 2px;
}
@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);
    max-height: 0;
    overflow: hidden;
    transition: max-height .3s ease;
  }
  .main-nav ul {
    flex-direction: column;
    gap: 0;
    padding: 12px 5%;
  }
  .main-nav li { border-top: 1px solid #eee; }
  .main-nav a { display: block; padding: 14px 0; }
  #menu-toggle:checked ~ .main-nav { max-height: 400px; }
}

/* Hero */
.hero {
  text-align: center;
  padding: clamp(2rem, 5vw, 4rem) 0;
}
.hero p {
  max-width: 680px;
  margin-inline: auto;
  color: var(--text-muted);
}

/* Grids – 3 col desktop, 1 col mobile */
.offers-grid,
.partners-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gap);
}
@media (max-width: 900px) {
  .offers-grid,
  .partners-grid { grid-template-columns: 1fr; }
}

/* Job/Offer card */
.job-card {
  background: var(--bg-surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: box-shadow .2s;
}
.job-card:hover { box-shadow: 0 4px 12px rgba(0,0,0,.08); }
.job-card h3 { font-size: 1.25rem; }
.job-card .meta {
  font-size: .875rem;
  color: var(--text-muted);
}

/* Buttons */
.btn {
  display: inline-block;
  font-family: var(--font-header);
  font-weight: 600;
  padding: 10px 22px;
  border-radius: var(--radius);
  background: var(--accent);
  color: #fff;
  transition: background .2s;
}
.btn:hover { background: var(--accent-hover); color: #fff; }

/* Partners */
.partner-link {
  background: var(--bg-surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
  text-align: center;
  transition: box-shadow .2s;
}
.partner-link:hover { box-shadow: 0 4px 12px rgba(0,0,0,.08); }

/* FAQ – details/summary accordion */
details {
  background: var(--bg-surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px 20px;
  margin-bottom: 12px;
}
summary {
  font-family: var(--font-header);
  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 .content { padding-top: 12px; color: var(--text-muted); }

/* Footer */
.site-footer {
  background: #003366;
  color: #e9ecef;
  margin-top: 60px;
}
.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--gap);
  padding: 40px 0;
}
.footer-section h4 {
  font-size: 1.125rem;
  margin-bottom: 12px;
  color: #fff;
}
.footer-section a { color: #ced4da; }
.footer-section a:hover { color: var(--accent); }
.footer-bottom {
  text-align: center;
  padding: 16px 0;
  border-top: 1px solid rgba(255,255,255,.12);
  font-size: .875rem;
  color: #adb5bd;
}

/* 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; }
.show-more-container {
  text-align: center;
  margin-top: 20px;
}
.show-more-container .btn {
  background: transparent;
  color: var(--accent);
  border: 2px solid var(--accent);
}
.show-more-container .btn:hover {
  background: var(--accent);
  color: #fff;
}