/* ============================================================
   SITE NAV — shared between index.html (React) and quadril.html
   (vanilla JS, see nav/nav-static.js). Markup/classes match so
   both pages render and behave identically.
   ============================================================ */

.site-nav { position: fixed; top: 0; left: 0; right: 0; z-index: 100; background: transparent; transition: background 250ms ease, box-shadow 250ms ease; }
.site-nav.is-scrolled { background: rgba(21,66,81,.97); backdrop-filter: blur(8px); box-shadow: 0 4px 24px rgba(21,66,81,.18); }
.site-nav-inner { max-width: 1200px; margin: 0 auto; padding: 20px 40px; display: flex; align-items: center; justify-content: space-between; gap: 24px; transition: padding 250ms ease; }
.site-nav.is-scrolled .site-nav-inner { padding: 13px 40px; }
.site-nav-logo { height: 42px; width: auto; object-fit: contain; transition: height 250ms ease; }
.site-nav.is-scrolled .site-nav-logo { height: 34px; }

.site-nav-links { display: flex; gap: 24px; align-items: center; list-style: none; margin: 0; padding: 0; }
.site-nav-links a { font-family: var(--font-body); font-weight: 500; font-size: 11px; letter-spacing: .08em; color: rgba(200,213,216,.85); text-transform: uppercase; transition: color 150ms; }
.site-nav-links a:hover { color: #adc265; }
.site-nav-cta-mobile { display: none; }
.site-nav-backdrop { display: none; }
.site-nav-actions { display: flex; align-items: center; gap: 16px; }
.site-nav-toggle { display: none; }

/* Vanilla-JS CTA button (quadril.html), visually matching the React <Button> */
.nav-cta-btn { display: inline-flex; align-items: center; justify-content: center; font-family: var(--font-body); font-weight: 600; letter-spacing: .04em; font-size: 13px; padding: 10px 20px; border-radius: 4px; background: #adc265; color: #fff; text-decoration: none; white-space: nowrap; transition: background 150ms ease; }
.nav-cta-btn:hover { background: #96aa52; }
.btn-primary-mobile { display: flex; align-items: center; justify-content: center; width: 100%; font-family: var(--font-body); font-weight: 600; letter-spacing: .04em; font-size: 16px; padding: 18px 28px; border-radius: 4px; background: #adc265; color: #fff; text-decoration: none; }

@media (max-width: 860px) {
  .site-nav-inner { padding: 16px 24px; }
  .site-nav.is-scrolled .site-nav-inner { padding: 12px 24px; }

  .site-nav-cta-desktop { display: none; }
  .site-nav-toggle { display: flex; flex-direction: column; justify-content: center; gap: 5px; width: 32px; height: 28px; background: none; border: none; cursor: pointer; padding: 0; z-index: 210; }
  .site-nav-toggle span { display: block; width: 100%; height: 2px; background: #e8eeec; transition: transform 200ms ease, opacity 200ms ease; }
  .site-nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .site-nav-toggle.is-open span:nth-child(2) { opacity: 0; }
  .site-nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .site-nav-backdrop { display: block; position: fixed; inset: 0; background: rgba(10,31,39,.55); z-index: 190; }

  .site-nav-links {
    position: fixed; top: 0; right: 0; bottom: 0; z-index: 200; width: min(78vw, 320px);
    background: #154251; flex-direction: column; align-items: flex-start;
    padding: 96px 32px 32px; gap: 22px; overflow-y: auto;
    transform: translateX(100%); transition: transform 250ms ease;
    box-shadow: -8px 0 32px rgba(0,0,0,.25);
  }
  .site-nav-links.is-open { transform: translateX(0); }
  .site-nav-links a { font-size: 13px; }
  .site-nav-cta-mobile { display: block; width: 100%; margin-top: 8px; }

  /* Featured link ("O Quadril") stands out from the plain text links */
  .site-nav-links a.site-nav-link-featured {
    display: flex; align-items: center; gap: 8px;
    width: 100%; box-sizing: border-box;
    background: rgba(173,194,101,.14); border: 1px solid rgba(173,194,101,.5);
    border-radius: 6px; padding: 12px 14px; margin: -4px 0;
    color: #eff4d8 !important; font-weight: 700 !important; font-size: 13px !important;
  }
  .site-nav-links a.site-nav-link-featured::after { content: '3D'; margin-left: auto; font-size: 9px; font-weight: 700; letter-spacing: .06em; color: #154251; background: #adc265; padding: 2px 6px; border-radius: 3px; }
}