/* ============================================================
   ADD BLITZ — LAYOUT
   Layer 3: Navigation, Footer, Page Frames
   ============================================================ */

/* ─────────────────────────────────────
   NAVIGATION
───────────────────────────────────── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-sticky);
  height: var(--nav-height);
  display: flex;
  align-items: center;
  transition:
    background-color var(--dur-slow) var(--ease-out),
    backdrop-filter var(--dur-slow) var(--ease-out),
    box-shadow var(--dur-slow) var(--ease-out),
    border-color var(--dur-slow) var(--ease-out);
  border-bottom: 1px solid transparent;
}

/* Default: transparent over hero */
.nav--transparent {
  background-color: transparent;
}

/* Scrolled: frosted glass */
.nav--scrolled {
  background-color: rgba(247, 245, 239, 0.88);
  backdrop-filter: blur(20px) saturate(1.4);
  -webkit-backdrop-filter: blur(20px) saturate(1.4);
  box-shadow: 0 1px 0 var(--border-light), var(--shadow-sm);
}

/* Scrolled over dark section */
.nav--scrolled-dark {
  background-color: rgba(17, 19, 21, 0.90);
  backdrop-filter: blur(20px) saturate(1.4);
  -webkit-backdrop-filter: blur(20px) saturate(1.4);
  border-bottom-color: var(--border-dark);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-8);
  height: 100%;
}

/* Logo */
.nav__logo {
  flex-shrink: 0;
  display: flex;
  align-items: center;
}

/* Desktop Links */
.nav__links {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
  margin: 0 auto;
}

.nav__link {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--text-primary);
  padding: var(--sp-2) var(--sp-3);
  border-radius: var(--radius-md);
  position: relative;
  transition: color var(--dur-normal) var(--ease-out);
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: var(--sp-3);
  right: var(--sp-3);
  height: 1.5px;
  background-color: var(--amber);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-normal) var(--ease-out);
  border-radius: var(--radius-full);
}

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

.nav__link:hover::after,
.nav__link--active::after {
  transform: scaleX(1);
}

.nav__link--active {
  color: var(--text-primary);
  font-weight: var(--weight-semibold);
}

/* Nav CTA */
.nav__cta {
  flex-shrink: 0;
}

/* Hamburger */
.nav__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  padding: 4px;
  border-radius: var(--radius-sm);
  background: transparent;
  border: none;
  cursor: pointer;
  z-index: var(--z-overlay);
  flex-shrink: 0;
}

.nav__hamburger span {
  display: block;
  width: 100%;
  height: 1.5px;
  background-color: var(--text-primary);
  border-radius: var(--radius-full);
  transition: transform var(--dur-normal) var(--ease-out), opacity var(--dur-normal) var(--ease-out);
  transform-origin: center;
}

.nav__hamburger.is-active span:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}

.nav__hamburger.is-active span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.nav__hamburger.is-active span:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* ─── Dark nav variant (when hero is dark) ─── */
.nav--dark-start .nav__link {
  color: var(--text-dark-primary);
}

.nav--dark-start .nav__link:hover {
  color: rgba(255,255,255,0.75);
}

.nav--dark-start .nav__link--active {
  color: var(--text-dark-primary);
  font-weight: var(--weight-semibold);
}

/* Logo on dark backgrounds */
.nav--dark-start .logo__add {
  color: var(--text-dark-primary);
}

.nav--dark-start .logo__blitz {
  color: var(--amber);
}

/* Hamburger on dark backgrounds */
.nav--dark-start .nav__hamburger span {
  background-color: var(--text-dark-primary);
}

/* ─────────────────────────────────────
   MOBILE MENU OVERLAY
───────────────────────────────────── */
.nav-overlay {
  position: fixed;
  inset: 0;
  background-color: var(--bg-deep);
  z-index: var(--z-overlay);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  padding: var(--sp-8) var(--container-padding-x);
  transform: translateX(100%);
  transition: transform var(--dur-slow) var(--ease-expo);
  will-change: transform;
}

.nav-overlay.is-open {
  transform: translateX(0);
}

.nav-overlay__header {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-inline: var(--container-padding-x);
}

.nav-overlay__links {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  width: 100%;
}

.nav-overlay__link {
  font-family: var(--font-display);
  font-size: clamp(2rem, 8vw, 3.5rem);
  font-weight: var(--weight-bold);
  letter-spacing: var(--tracking-tight);
  color: var(--text-dark-primary);
  line-height: 1.2;
  transition: color var(--dur-normal) var(--ease-out);
  position: relative;
  display: inline-block;
}

.nav-overlay__link:hover {
  color: var(--amber);
}

.nav-overlay__footer {
  position: absolute;
  bottom: var(--sp-8);
  left: var(--container-padding-x);
  right: var(--container-padding-x);
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border-dark);
  padding-top: var(--sp-6);
}

.nav-overlay__footer-label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--text-dark-muted);
}

/* ─────────────────────────────────────
   FOOTER
───────────────────────────────────── */
.footer {
  background-color: var(--bg-deep);
  color: var(--text-dark-primary);
  padding-top: var(--section-lg);
  padding-bottom: var(--sp-8);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--sp-12);
  padding-bottom: var(--sp-12);
  border-bottom: 1px solid var(--border-dark);
  margin-bottom: var(--sp-8);
}

.footer__brand {}

.footer__brand-desc {
  font-size: var(--text-sm);
  color: var(--text-dark-secondary);
  line-height: var(--leading-relaxed);
  max-width: 32ch;
  margin-top: var(--sp-4);
  margin-bottom: var(--sp-6);
}

.footer__col-title {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--text-dark-muted);
  margin-bottom: var(--sp-4);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}

.footer__link {
  font-size: var(--text-sm);
  color: var(--text-dark-secondary);
  transition: color var(--dur-normal) var(--ease-out);
}

.footer__link:hover {
  color: var(--amber);
}

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-6);
  flex-wrap: wrap;
}

.footer__copyright {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--text-dark-muted);
  letter-spacing: var(--tracking-wide);
}

.footer__bottom-links {
  display: flex;
  gap: var(--sp-6);
}

.footer__bottom-link {
  font-size: var(--text-xs);
  color: var(--text-dark-muted);
  transition: color var(--dur-normal) var(--ease-out);
}

.footer__bottom-link:hover {
  color: var(--amber);
}

/* Social icons row */
.footer__socials {
  display: flex;
  gap: var(--sp-3);
  margin-top: var(--sp-2);
}

.footer__social {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dark-secondary);
  transition:
    border-color var(--dur-normal) var(--ease-out),
    color var(--dur-normal) var(--ease-out),
    background-color var(--dur-normal) var(--ease-out);
}

.footer__social:hover {
  border-color: var(--amber);
  color: var(--amber);
  background-color: var(--amber-subtle);
}

/* ─────────────────────────────────────
   BREADCRUMB
───────────────────────────────────── */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--text-muted);
  letter-spacing: var(--tracking-wide);
}

.breadcrumb__item {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  color: var(--text-muted);
  transition: color var(--dur-normal) var(--ease-out);
}

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

.breadcrumb__item--current {
  color: var(--text-primary);
}

.breadcrumb__separator {
  color: var(--border);
  font-size: 10px;
}

/* ─────────────────────────────────────
   RESPONSIVE
───────────────────────────────────── */
@media (max-width: 1024px) {
  .nav__links {
    display: none;
  }

  .nav__cta {
    display: none;
  }

  .nav__hamburger {
    display: flex;
  }

  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-8);
  }
}

@media (max-width: 640px) {
  .footer__grid {
    grid-template-columns: 1fr;
  }

  .footer__bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--sp-4);
  }
}


/* ─────────────────────────────────────
   LOGO IMAGES
───────────────────────────────────── */
.logo__img {
  display: block;
  height: clamp(28px, 4vw, 36px);
  width: auto;
  object-fit: contain;
}

/* Default state (light nav over light bg) */
.logo__img--light {
  display: none;
}
.logo__img--dark {
  display: block;
}

/* Dark start nav state (transparent over dark hero, before scroll) */
.nav--dark-start:not(.nav--scrolled) .logo__img--dark {
  display: none;
}
.nav--dark-start:not(.nav--scrolled) .logo__img--light {
  display: block;
}

/* Scrolled dark nav state */
.nav--scrolled-dark .logo__img--dark {
  display: none;
}
.nav--scrolled-dark .logo__img--light {
  display: block;
}

/* Footer & Overlay */
.footer__logo-img {
  display: block;
  height: clamp(36px, 5vw, 44px);
  width: auto;
  object-fit: contain;
}

.nav-overlay__logo-img {
  display: block;
  height: clamp(28px, 4vw, 34px);
  width: auto;
  object-fit: contain;
}


/* MOBILE POLISH - HEADER & FOOTER */
@media (max-width: 768px) {
  .nav {
    height: 72px !important;
  }
  .nav__brand svg, .nav__brand img {
    height: 24px;
    max-width: 140px;
  }
  .nav__burger {
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .footer {
    padding-top: var(--sp-8);
    padding-bottom: var(--sp-8);
  }
  .footer__grid {
    grid-template-columns: 1fr;
    gap: var(--sp-8);
  }
  .footer__brand {
    margin-bottom: 0;
  }
  .footer__bottom {
    flex-direction: column;
    gap: var(--sp-4);
    text-align: center;
  }
  .footer__social {
    justify-content: center;
  }
}

/* FINAL MOBILE QA OVERRIDES */
@media (max-width: 768px) {
  .footer__bottom {
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 16px !important;
    padding-bottom: var(--sp-8);
  }
  .footer__bottom-links {
    flex-wrap: wrap;
    gap: 12px;
  }
}

/* MOBILE FOOTER FIXES */
@media (max-width: 768px) {
  .footer__bottom {
    flex-direction: column !important;
    align-items: flex-start !important;
    justify-content: flex-start !important;
    gap: 16px !important;
    width: 100% !important;
    box-sizing: border-box;
  }

  .footer__bottom-links {
    display: flex !important;
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 12px !important;
    width: 100% !important;
  }

  .footer__bottom-link,
  .footer__copyright {
    white-space: normal !important;
    overflow-wrap: anywhere !important;
    word-break: normal !important;
    max-width: 100% !important;
  }
}