/* ===================================================
   GIFT NAKAYINGA — Navigation Styles
   nav.css
   =================================================== */

/* ===== MAIN NAV ===== */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: var(--z-nav);
  transition: background var(--duration-mid) var(--ease-smooth),
              box-shadow var(--duration-mid) var(--ease-smooth),
              padding var(--duration-mid) var(--ease-smooth);
  padding: 0;
}

/* Transparent state (at top of page) */
.site-nav.nav-transparent {
  background: transparent;
}

/* Scrolled state - gets background */
.site-nav.nav-scrolled {
  background: rgba(28,20,16,0.96);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 1px 40px rgba(0,0,0,0.3);
}

/* On inner pages - always has background */
.site-nav.nav-solid {
  background: rgba(28,20,16,0.98);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 1px 30px rgba(0,0,0,0.25);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* ===== LOGO ===== */
.nav-logo {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-decoration: none;
  flex-shrink: 0;
}

.nav-logo__name {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 400;
  color: var(--ivory);
  letter-spacing: 0.06em;
  line-height: 1;
  transition: color var(--duration-fast);
}

.nav-logo__title {
  font-family: var(--font-body);
  font-size: 0.6rem;
  font-weight: 300;
  color: var(--gold-light);
  letter-spacing: 0.25em;
  text-transform: uppercase;
  margin-top: 2px;
  line-height: 1;
}

.nav-logo:hover .nav-logo__name { color: var(--gold-light); }

/* ===== LINKS ===== */
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.nav-link {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(250,246,238,0.78);
  transition: color var(--duration-fast);
  position: relative;
  padding-bottom: 2px;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--gold);
  transition: width var(--duration-mid) var(--ease-smooth);
}

.nav-link:hover {
  color: var(--ivory);
}
.nav-link:hover::after {
  width: 100%;
}

.nav-link.active {
  color: var(--gold-light);
}
.nav-link.active::after {
  width: 100%;
  background: var(--gold-light);
}

/* ===== NAV CTA BUTTON ===== */
.nav-cta {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--charcoal);
  background: var(--gold);
  border: 1.5px solid var(--gold);
  padding: 0.55rem 1.5rem;
  border-radius: var(--radius-pill);
  transition: all var(--duration-mid) var(--ease-smooth);
  white-space: nowrap;
}
.nav-cta:hover {
  background: var(--gold-dark);
  border-color: var(--gold-dark);
  color: var(--ivory);
  box-shadow: var(--shadow-gold);
}

/* ===== HAMBURGER MENU ===== */
.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}

.nav-hamburger span {
  display: block;
  width: 100%;
  height: 1.5px;
  background: var(--ivory);
  transition: all var(--duration-mid) var(--ease-smooth);
  transform-origin: center;
}

.nav-hamburger.open span:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}
.nav-hamburger.open span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.nav-hamburger.open span:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* ===== MOBILE MENU ===== */
.nav-mobile {
  position: fixed;
  top: 0;
  right: 0;
  width: min(380px, 100vw);
  height: 100dvh;
  background: var(--charcoal);
  z-index: calc(var(--z-nav) + 1);
  transform: translateX(100%);
  transition: transform var(--duration-slow) var(--ease-smooth);
  display: flex;
  flex-direction: column;
  padding: var(--space-xl) var(--space-md) var(--space-lg);
  overflow-y: auto;
}

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

.nav-mobile__close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--warm-gray-lt);
  font-size: 1.5rem;
  cursor: pointer;
  transition: color var(--duration-fast);
  background: none;
  border: none;
  font-family: sans-serif;
}
.nav-mobile__close:hover { color: var(--gold); }

.nav-mobile__logo {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--gold);
  font-weight: 400;
  letter-spacing: 0.04em;
  margin-bottom: var(--space-lg);
  padding-top: var(--space-sm);
}

.nav-mobile__links {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.nav-mobile__link {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 300;
  color: var(--ivory-dark);
  padding: 0.75rem 0;
  border-bottom: 1px solid rgba(250,246,238,0.07);
  transition: all var(--duration-fast);
  letter-spacing: 0.02em;
}
.nav-mobile__link:hover { color: var(--gold); padding-left: 0.5rem; }
.nav-mobile__link.active { color: var(--gold-light); }

.nav-mobile__cta {
  margin-top: auto;
  padding-top: var(--space-lg);
}

.nav-mobile__cta .btn {
  width: 100%;
  justify-content: center;
}

.nav-mobile__social {
  display: flex;
  gap: 0.75rem;
  margin-top: var(--space-sm);
  padding-top: var(--space-sm);
}

.nav-mobile__social a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid rgba(201,168,76,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--warm-gray-lt);
  font-size: 0.8rem;
  transition: all var(--duration-fast);
}
.nav-mobile__social a:hover {
  border-color: var(--gold);
  color: var(--gold);
}

/* Mobile backdrop */
.nav-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  z-index: var(--z-nav);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration-mid);
}
.nav-backdrop.visible {
  opacity: 1;
  pointer-events: all;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .nav-links {
    gap: 1.25rem;
  }
}

@media (max-width: 860px) {
  .nav-links,
  .nav-cta {
    display: none;
  }
  .nav-hamburger {
    display: flex;
  }
}