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

:root {
  --bg-body: #f5f7fa;
  --bg-surface: #ffffff;
  --text-main: #222228;
  --text-muted: #6c7681;
  --accent: #0077c8;
  --accent-hover: #005fa3;
  --radius: 4px;
  --shadow: 0 2px 4px rgba(0, 0, 0, 0.06);
  --font-head: 'Oswald', sans-serif;
  --font-body: 'Inter', sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font: 400 clamp(1rem, 0.95rem + 0.25vw, 1.125rem) / 1.6 var(--font-body);
  color: var(--text-main);
  background: var(--bg-body);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: var(--font-head);
  font-weight: 500;
  line-height: 1.2;
  margin: 0 0 0.5em;
}

h1 { font-size: clamp(2rem, 1.7rem + 1.5vw, 3rem); }
h2 { font-size: clamp(1.5rem, 1.35rem + 0.75vw, 2rem); }
h3 { font-size: clamp(1.125rem, 1.05rem + 0.375vw, 1.375rem); }

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

img {
  max-width: 100%;
  display: block;
}

/* Layout containers */
.wrapper {
  width: min(1200px, 90%);
  margin-inline: auto;
}

/* Header – Split-Steam-Nav */
.site-header {
  background: var(--bg-surface);
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-split {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
}

.logo {
  font-family: var(--font-head);
  font-size: 1.5rem;
  color: var(--text-main);
  letter-spacing: 0.5px;
}

/* Navigation */
.main-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 2rem;
}

.main-nav a {
  font-weight: 600;
  color: var(--text-main);
  padding: 0.25rem 0;
  border-bottom: 2px solid transparent;
  transition: border-color 0.2s;
}
.main-nav a:hover {
  border-color: var(--accent);
}

/* Mobile menu checkbox hack */
#menu-toggle {
  display: none;
}
.hamburger {
  display: none;
  cursor: pointer;
  flex-direction: column;
  gap: 6px;
}
.hamburger span {
  width: 24px;
  height: 2px;
  background: var(--text-main);
  transition: transform 0.2s;
}

@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }
  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--bg-surface);
    transform: translateY(-150%);
    transition: transform 0.3s;
    box-shadow: var(--shadow);
  }
  .main-nav ul {
    flex-direction: column;
    padding: 1.5rem 2rem;
    gap: 1.25rem;
  }
  #menu-toggle:checked ~ .main-nav {
    transform: translateY(0);
  }
  #menu-toggle:checked + .hamburger span:nth-child(1) {
    transform: translateY(4px) rotate(45deg);
  }
  #menu-toggle:checked + .hamburger span:nth-child(2) {
    opacity: 0;
  }
  #menu-toggle:checked + .hamburger span:nth-child(3) {
    transform: translateY(-4px) rotate(-45deg);
  }
}

/* Buttons */
.btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  padding: 0.625rem 1.5rem;
  border-radius: var(--radius);
  font-weight: 600;
  transition: background 0.2s;
}
.btn:hover {
  background: var(--accent-hover);
  color: #fff;
}

/* Offers Grid */
.offers-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 2rem;
}
.job-card {
  background: var(--bg-surface);
  padding: 2rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.job-card h3 {
  color: var(--accent);
}
@media (max-width: 900px) {
  .offers-grid {
    grid-template-columns: 1fr;
  }
}

/* Advice – Steam-Card-Fan */
.advice-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}
.advice-item {
  background: var(--bg-surface);
  padding: 1.75rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}
.advice-item:target {
  outline: 2px solid var(--accent);
}
.advice-item h3 {
  margin-bottom: 0.75rem;
}

/* FAQ – details/summary */
details {
  background: var(--bg-surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1rem 1.25rem;
  margin-bottom: 0.75rem;
}
summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--accent);
}
details[open] summary {
  margin-bottom: 0.5rem;
}

/* Partners */
.partners-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
}
.partner-link {
  background: var(--bg-surface);
  padding: 1.5rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  text-align: center;
  font-weight: 600;
  color: var(--text-muted);
  transition: box-shadow 0.2s;
}
.partner-link:hover {
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.08);
}
@media (max-width: 900px) {
  .partners-grid {
    grid-template-columns: 1fr;
  }
}

/* Show-more partners checkbox hack */
.show-more-checkbox {
  display: none;
}
.partners-hidden {
  display: none;
}
.show-more-checkbox:checked ~ .partners-hidden {
  display: grid;
}
.show-more-checkbox:checked ~ .show-more-container {
  display: none;
}
.show-more-container {
  text-align: center;
  margin-top: 1.5rem;
}
.show-more-container label {
  cursor: pointer;
  color: var(--accent);
  font-weight: 600;
  border-bottom: 1px dashed var(--accent);
}

/* Footer */
.site-footer {
  background: var(--text-main);
  color: #e1e4e8;
  margin-top: 4rem;
  padding: 3rem 0 2rem;
}
.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2rem;
}
.footer-section h4 {
  margin: 0 0 0.75rem;
  font-family: var(--font-head);
  color: #fff;
}
.footer-section p,
.footer-section a {
  font-size: 0.875rem;
  color: #b0b5bd;
}
.footer-section a:hover {
  color: #fff;
}