/* ========================================
   NOSTIOS LAYOUT — Navigation, Footer, Grids
   ======================================== */

/* ---- Navigation ---- */
.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: linear-gradient(135deg, rgba(20,20,30,0.88) 0%, rgba(15,15,25,0.92) 100%);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  transition: box-shadow 0.3s ease;
}
.site-nav.scrolled { box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3); }

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 32px;
  height: 64px;
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-logo {
  font-family: var(--font-heading);
  font-size: 22px;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.3px;
  margin-right: auto;
  text-decoration: none;
}
.nav-logo span { color: var(--blue); }
.nav-logo img { height: 36px; width: auto; }

/* Footer ecosystem links row */
.footer-links-row { display: flex; gap: 16px; }

.nav-links { display: none; gap: 4px; }

.nav-link {
  font-family: var(--font-heading);
  font-size: 15px;
  font-weight: 400;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.2s ease;
  position: relative;
  padding: 8px 4px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}
.nav-link:hover { color: var(--text-primary); }

.nav-mobile {
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 24px;
  cursor: pointer;
  min-width: 44px;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Desktop: show nav links, hide hamburger */
@media (min-width: 701px) {
  .nav-links { display: flex; }
  .nav-mobile { display: none; }
}

.nav-links.mobile-open {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: 64px;
  left: 0; right: 0;
  background: rgba(15, 15, 25, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 20px 32px;
  border-bottom: 1px solid var(--border);
  gap: 8px;
}

/* ---- Footer ---- */
.site-footer {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 48px 0;
  margin-top: 80px;
  background: linear-gradient(135deg, rgba(20,20,30,0.5) 0%, rgba(15,15,25,0.6) 100%);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
}

.footer-brand .logo {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 12px;
}
.footer-brand .logo span { color: var(--blue); }

.footer-brand p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
  max-width: 260px;
}

.footer-col h4 {
  font-family: var(--font-heading);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.footer-col a {
  font-size: 13px;
  color: var(--text-muted);
  text-decoration: none;
  padding: 6px 0;
  min-height: 32px;
  display: flex;
  align-items: center;
  transition: color 0.2s ease;
}
.footer-col a:hover { color: var(--text-primary); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  font-size: 12px;
  color: var(--text-muted);
  flex-wrap: wrap;
  gap: 12px;
}

.footer-legal { display: flex; gap: 20px; }
.footer-legal a {
  color: var(--text-muted);
  text-decoration: none;
  padding: 6px 4px;
  min-height: 32px;
  display: inline-flex;
  align-items: center;
}
.footer-legal a:hover { color: var(--text-secondary); }

/* ---- Common Grids ---- */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid-auto { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; }

@media (max-width: 800px) { .grid-3 { grid-template-columns: 1fr; } }
@media (max-width: 700px) {
  .grid-2 { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 500px) {
  .footer-inner { grid-template-columns: 1fr; }
}