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

:root {
  --bg-body: #f5f7fa;
  --bg-surface: #ffffff;
  --text-main: #102a43;
  --text-muted: #486581;
  --accent: #0077be;
  --accent-hover: #005a8c;
  --radius: 12px;
  --shadow: 0 4px 12px rgba(0,0,0,.06);
  --font-header: 'Playfair Display', serif;
  --font-body: 'Inter', sans-serif;
  --max-width: 1200px;
  --spacing: 24px;
}

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

body {
  font-family: var(--font-body);
  background: var(--bg-body);
  color: var(--text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-header);
  font-weight: 700;
  line-height: 1.3;
}

h1 {
  font-size: clamp(2rem, 4vw, 3rem);
}

h2 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
}

h3 {
  font-size: clamp(1.125rem, 2.5vw, 1.75rem);
}

p {
  font-size: clamp(0.9375rem, 1.5vw, 1rem);
  color: var(--text-muted);
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color .2s;
}

a:hover {
  color: var(--accent-hover);
}

.site-header {
  background: var(--bg-surface);
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 16px var(--spacing);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: var(--font-header);
  font-size: 1.5rem;
  color: var(--text-main);
}

.main-nav ul {
  list-style: none;
  display: flex;
  gap: 24px;
}

.main-nav a {
  font-weight: 500;
  color: var(--text-main);
}

#menu-toggle {
  display: none;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 4px;
  cursor: pointer;
}

.hamburger span {
  width: 24px;
  height: 2px;
  background: var(--text-main);
  transition: .2s;
}

.section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 48px var(--spacing);
}

.section-title {
  margin-bottom: 24px;
}

/* Tidal Cards */
.offers-grid,
.partners-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.job-card,
.partner-link {
  background: var(--bg-surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
  transition: transform .2s, box-shadow .2s;
}

.job-card:hover,
.partner-link:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0,0,0,.08);
}

.job-card h3 {
  margin-bottom: 12px;
}

.btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  padding: 12px 24px;
  border-radius: var(--radius);
  font-weight: 500;
  transition: background .2s;
}

.btn:hover {
  background: var(--accent-hover);
  color: #fff;
}

/* Footer */
.site-footer {
  background: var(--text-main);
  color: var(--bg-surface);
  padding: 48px var(--spacing) 24px;
}

.footer-content {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 32px;
}

.footer-section h4 {
  margin-bottom: 12px;
  color: var(--bg-surface);
}

.footer-section a {
  color: #a0b6cb;
}

.footer-section a:hover {
  color: #fff;
}

/* FAQ Accordion */
details {
  background: var(--bg-surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-bottom: 16px;
  padding: 20px;
}

summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--text-main);
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

summary::after {
  content: '▾';
  font-size: 1.2rem;
  transition: transform .2s;
}

details[open] summary::after {
  transform: rotate(180deg);
}

details p {
  margin-top: 12px;
}

/* 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: 24px;
}

/* Subtle wave-line decoration */
.section::before {
  content: '';
  display: block;
  height: 24px;
  background: linear-gradient(90deg, var(--accent) 1px, transparent 1px);
  background-size: 48px 24px;
  opacity: .04;
  margin-bottom: 24px;
}

/* Mobile */
@media (max-width: 768px) {
  .offers-grid,
  .partners-grid {
    grid-template-columns: 1fr;
  }

  .hamburger {
    display: flex;
  }

  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-surface);
    box-shadow: var(--shadow);
    transform: translateY(-120%);
    transition: transform .3s;
  }

  .main-nav ul {
    flex-direction: column;
    padding: 16px var(--spacing);
  }

  #menu-toggle:checked ~ .main-nav {
    transform: translateY(0);
  }
}