/* ============================================================
   ALMARA DESIGN — Navigation Component
   Edit this file → changes apply across ALL pages
   ============================================================ */

/* ── Nav Base ──────────────────────────────────── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-nav);
  height: var(--nav-height);
  display: flex;
  align-items: center;
  transition: background-color 0.4s ease, backdrop-filter 0.4s ease,
              box-shadow 0.4s ease;
}

.nav--transparent {
  background-color: transparent;
}

.nav--scrolled {
  background-color: var(--color-glass);
  backdrop-filter: blur(20px) saturate(1.5);
  -webkit-backdrop-filter: blur(20px) saturate(1.5);
  box-shadow: var(--shadow-sm);
}

.nav__inner {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* ── Logo ──────────────────────────────────────── */
.nav__logo {
  display: flex;
  flex-direction: column;
  gap: 0;
  line-height: 1;
  text-decoration: none;
}

.nav__logo-name {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 400;
  letter-spacing: var(--tracking-tight);
  color: var(--color-text-primary);
  transition: color var(--transition-base);
}

.nav__logo-tagline {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 400;
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-accent);
}

/* Hero section: white logo */
.nav--hero .nav__logo-name { color: #F0EDE7; }
.nav--hero .nav__logo-tagline { color: rgba(208,184,150,0.9); }
.nav--hero .nav__link { color: rgba(240,237,231,0.85); }
.nav--hero .nav__link::after { background: #F0EDE7; }
.nav--hero .nav__cta {
  border-color: rgba(240,237,231,0.5);
  color: #F0EDE7;
}
.nav--hero .btn-theme svg { stroke: #F0EDE7; }
.nav--hero .nav__hamburger span { background: #F0EDE7; }

/* ── Links ─────────────────────────────────────── */
.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav__link {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 400;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-text-primary);
  position: relative;
  padding-block: var(--space-1);
  transition: color var(--transition-base);
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-accent);
  transition: width var(--transition-base);
}

.nav__link:hover { color: var(--color-accent); }
.nav__link:hover::after { width: 100%; }
.nav__link.active { color: var(--color-accent); }
.nav__link.active::after { width: 100%; }

/* ── Right Controls ────────────────────────────── */
.nav__controls {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

/* CTA Button */
.nav__cta {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
}

.nav__cta:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-surface);
}

/* Theme Toggle */
.btn-theme {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  transition: background var(--transition-base);
  color: var(--color-text-primary);
}

.btn-theme:hover { background: var(--color-surface-alt); }

.btn-theme svg {
  width: 18px;
  height: 18px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.5;
  stroke-linecap: round;
  transition: opacity var(--transition-base);
}

.btn-theme .icon-sun  { display: none; }
.btn-theme .icon-moon { display: block; }
[data-theme="dark"] .btn-theme .icon-sun  { display: block; }
[data-theme="dark"] .btn-theme .icon-moon { display: none; }

/* ── Hamburger ─────────────────────────────────── */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  padding: 4px 0;
  cursor: pointer;
  background: none;
  border: none;
}

.nav__hamburger span {
  display: block;
  width: 100%;
  height: 1.5px;
  background: var(--color-text-primary);
  border-radius: 1px;
  transition: transform var(--transition-base), opacity var(--transition-base),
              width var(--transition-base);
  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;
  width: 0;
}
.nav__hamburger.open span:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* ── Mobile Menu ───────────────────────────────── */
.nav__mobile {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-bg);
  z-index: calc(var(--z-nav) - 1);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-slow);
}

.nav__mobile.open {
  opacity: 1;
  pointer-events: all;
}

.nav__mobile .nav__link {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 300;
  letter-spacing: var(--tracking-tight);
  text-transform: none;
  color: var(--color-text-primary);
  transition: color var(--transition-base), transform var(--transition-base);
}

.nav__mobile .nav__link:hover { color: var(--color-accent); transform: translateX(8px); }

.nav__mobile-contact {
  margin-top: var(--space-8);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  letter-spacing: var(--tracking-wide);
  color: var(--color-text-muted);
}

/* ── Responsive ────────────────────────────────── */
@media (max-width: 900px) {
  .nav__links { display: none; }
  .nav__cta   { display: none; }
  .nav__hamburger { display: flex; }
}

/* ── Logo Image Variants ───────────────────────── */
.nav__logo-img {
  height: 52px;
  width: auto;
  display: block;
  transition: opacity var(--transition-base);
}

/* On dark (hero): show gold, hide purple */
.nav--hero .nav__logo-img--purple { display: none; }
.nav--hero .nav__logo-img--gold   { display: block; }

/* On light (scrolled): show purple, hide gold */
.nav--scrolled .nav__logo-img--purple { display: block; }
.nav--scrolled .nav__logo-img--gold   { display: none; }

/* Default (transparent, non-hero pages) */
.nav:not(.nav--hero):not(.nav--scrolled) .nav__logo-img--purple { display: block; }
.nav:not(.nav--hero):not(.nav--scrolled) .nav__logo-img--gold   { display: none; }

/* Dark mode: always show gold */
[data-theme="dark"] .nav__logo-img--purple { display: none !important; }
[data-theme="dark"] .nav__logo-img--gold   { display: block !important; }

@media (max-width: 900px) {
  .nav__logo-img { height: 44px; }
}