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

:root {
  --bg-body: #111217;
  --bg-surface: #ffffff;
  --text-main: #0d0d10;
  --text-muted: #5a5c65;
  --accent: #00a8ff;
  --accent-hover: #0088cc;
  --radius: 6px;
  --shadow: 0 4px 12px rgba(0,0,0,.12);
  --max-width: 1200px;
  --font-header: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --wave-line: 1px;
  --wave-gap: 48px;
}

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

/* TYPOGRAPHY */
h1, h2, h3, h4 { font-family: var(--font-header); font-weight: 700; letter-spacing: -.02em; }
h1 { font-size: clamp(2rem, 4vw, 3rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.25rem); }
h3 { font-size: clamp(1.125rem, 2vw, 1.5rem); }
p  { font-size: clamp(.9375rem, 1.5vw, 1rem); color: var(--text-muted); }

/* LAYOUT WRAPPER */
.wrapper {
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: 1rem;
}

/* HEADER – Split-Canvas */
.site-header {
  background: var(--bg-body);
  border-bottom: 1px solid #1e1f26;
  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(--font-header);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--accent);
}

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

/* NAV – mobile (checkbox hack) */
#menu-toggle { display: none; }
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
}
.hamburger span {
  width: 24px;
  height: 2px;
  background: var(--bg-surface);
  transition: .3s;
}
@media (max-width: 768px) {
  .hamburger { display: flex; }
  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-body);
    border-top: 1px solid #1e1f26;
    transform: translateY(-150%);
    transition: transform .3s ease;
  }
  .main-nav ul {
    flex-direction: column;
    padding: 1.5rem 1rem;
  }
  #menu-toggle:checked ~ .main-nav { transform: translateY(0); }
  #menu-toggle:checked ~ .hamburger span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
  #menu-toggle:checked ~ .hamburger span:nth-child(2) { opacity: 0; }
  #menu-toggle:checked ~ .hamburger span:nth-child(3) { transform: rotate(-45deg) translate(6px,-6px); }
}

/* HERO SECTION */
.hero {
  padding: 4rem 0 3rem;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0,
    transparent var(--wave-gap),
    #1e1f26 var(--wave-gap),
    #1e1f26 calc(var(--wave-gap) + var(--wave-line))
  );
}
.hero h1 { margin-bottom: 1rem; }
.hero p { max-width: 60ch; }

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

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

/* CARDS – job-card */
.job-card {
  background: var(--bg-surface);
  color: var(--text-main);
  padding: 1.5rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: .75rem;
}
.job-card h3 { color: var(--text-main); }
.job-card .meta {
  font-size: .875rem;
  color: var(--text-muted);
}
.job-card .btn { align-self: start; margin-top: auto; }

/* PARTNERS – partner-link */
.partner-link {
  background: var(--bg-surface);
  padding: 1.25rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  text-align: center;
  font-weight: 500;
  color: var(--text-main);
  transition: transform .2s, box-shadow .2s;
}
.partner-link:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 18px rgba(0,0,0,.15);
}

/* 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 – FAQ */
details {
  background: var(--bg-surface);
  color: var(--text-main);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  box-shadow: var(--shadow);
  cursor: pointer;
}
details + details { margin-top: 1rem; }
summary {
  font-weight: 600;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
summary::after {
  content: "+";
  font-size: 1.25rem;
  transition: transform .2s;
}
details[open] summary::after { transform: rotate(45deg); }
details p { margin-top: .75rem; }

/* FOOTER */
.site-footer {
  background: #0a0a0d;
  color: var(--bg-surface);
  padding: 3rem 0 2rem;
  margin-top: 4rem;
}
.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
}
.footer-section h4 {
  margin-bottom: .75rem;
  font-size: 1rem;
  color: var(--accent);
}
.footer-section ul li { margin-bottom: .5rem; }
.footer-section a:hover { color: var(--accent); }