/* ==========================================================================
   NAVIGATION — minimal, hidden on home, visible bar on project pages
   ========================================================================== */

.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: var(--space-2) 0;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--duration-standard) var(--ease-cinematic),
              background var(--duration-standard) var(--ease-cinematic);
}

.site-nav.is-scrolled {
  border-bottom-color: var(--color-border);
}

.site-nav.is-hidden-home {
  background: transparent;
  border-bottom: none;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-size: var(--fs-body);
  font-weight: var(--fw-semibold);
  letter-spacing: -0.01em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.nav-link {
  font-size: var(--fs-caption);
  font-weight: var(--fw-medium);
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  transition: color var(--duration-hover) var(--ease-cinematic);
}

.nav-link:hover,
.nav-link.is-active {
  color: var(--color-text-primary);
}

@media (max-width: 768px) {
  .nav-links {
    gap: var(--space-3);
  }
  .nav-link {
    font-size: 11px;
  }
}

/* ==========================================================================
   PROGRESS BAR — thin line, tracks White Studio installation position
   ========================================================================== */

.studio-progress {
  position: fixed;
  bottom: var(--space-3);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: var(--space-1);
  z-index: 100;
}

.studio-progress-dot {
  width: 24px;
  height: 2px;
  background: rgba(255, 255, 255, 0.3);
  border-radius: var(--radius-pill);
  transition: background var(--duration-standard) var(--ease-cinematic);
}

.studio-progress-dot.is-active {
  background: var(--color-bg);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */

.site-footer {
  padding: var(--space-6) 0 var(--space-4);
  border-top: 1px solid var(--color-border);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer-statement {
  max-width: var(--content-max-width);
  font-size: var(--fs-section);
  font-weight: var(--fw-medium);
  line-height: var(--lh-heading);
  letter-spacing: var(--ls-heading);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.footer-link {
  font-size: var(--fs-body);
  color: var(--color-text-secondary);
  transition: color var(--duration-hover) var(--ease-cinematic);
}

.footer-link:hover {
  color: var(--color-text-primary);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-border);
}

@media (max-width: 768px) {
  .footer-top {
    flex-direction: column;
  }
  .footer-statement {
    font-size: var(--fs-section);
  }
}

/* ==========================================================================
   SCROLL-REVEAL — house style, applied site-wide (site-wide art direction
   principle #2). Restrained fade-up-on-enter, locked easing curve, no
   spring/bounce. Add class="reveal" to any heading/image/block; the
   js/scroll-reveal.js script adds .is-visible once it enters the viewport.
   ========================================================================== */

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.9s var(--ease-cinematic),
              transform 0.9s var(--ease-cinematic);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}