/* ============================================================
   i-KEYZ — NAVIGATION
   ============================================================ */

/* ── Header ───────────────────────────────────────────────── */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-nav);
  transition: all var(--transition-base);
}

/* Transparent on hero */
.site-header--transparent {
  background: transparent;
  padding-block: var(--space-5);
}

/* Scrolled — solid */
.site-header--scrolled {
  background: rgba(6, 28, 22, 0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding-block: var(--space-3);
  box-shadow: 0 1px 0 rgba(201, 169, 110, 0.15);
}

/* Light version — for non-hero pages */
.site-header--light {
  background: var(--color-off-white);
  padding-block: var(--space-4);
  box-shadow: 0 1px 0 rgba(10, 92, 73, 0.1);
}

.site-header--light .nav__link {
  color: var(--color-text-dark);
}

.site-header--light .nav__link:hover {
  color: var(--color-teal);
}

.site-header--light .nav__cta--call {
  color: var(--color-teal);
  border-color: var(--color-teal);
}

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

/* ── Logo ─────────────────────────────────────────────────── */
.nav__logo {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  transition: opacity var(--transition-fast);
}

.nav__logo:hover {
  opacity: 0.85;
}

.nav__logo-img {
  height: 44px;
  width: auto;
}

/* ── Nav Links ────────────────────────────────────────────── */
.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  flex: 1;
  justify-content: center;
}

.nav__link {
  position: relative;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 400;
  letter-spacing: 0.04em;
  color: rgba(255,255,255,0.85);
  padding: var(--space-2) var(--space-3);
  transition: color var(--transition-fast);
  white-space: nowrap;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: var(--space-3);
  right: var(--space-3);
  height: 1px;
  background: var(--color-gold);
  transform: scaleX(0);
  transition: transform var(--transition-base);
  transform-origin: left;
}

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

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

.nav__link.active {
  color: var(--color-gold);
}

/* Dropdown */
.nav__item {
  position: relative;
}

.nav__dropdown {
  position: absolute;
  top: calc(100% + var(--space-2));
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  background: var(--color-teal-deeper);
  border: var(--border-light);
  border-radius: var(--radius-md);
  padding: var(--space-3) 0;
  min-width: 200px;
  opacity: 0;
  pointer-events: none;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-xl);
}

.nav__item:hover .nav__dropdown,
.nav__item:focus-within .nav__dropdown {
  opacity: 1;
  pointer-events: all;
  transform: translateX(-50%) translateY(0);
}

.nav__dropdown-link {
  display: block;
  padding: var(--space-2) var(--space-5);
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.8);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.nav__dropdown-link:hover {
  color: var(--color-gold);
  padding-left: calc(var(--space-5) + 4px);
  background: rgba(201, 169, 110, 0.06);
}

/* ── Nav CTAs ─────────────────────────────────────────────── */
.nav__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

.nav__cta--call {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.04em;
  color: rgba(255,255,255,0.85);
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: var(--radius-sm);
  padding: var(--space-2) var(--space-4);
  transition: all var(--transition-base);
}

.nav__cta--call:hover {
  border-color: var(--color-gold);
  color: var(--color-gold);
}

.nav__cta--call svg {
  width: 14px;
  height: 14px;
}

.nav__cta--whatsapp {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.04em;
  background: var(--color-gold);
  color: var(--color-teal-deeper);
  border-radius: var(--radius-sm);
  padding: var(--space-2) var(--space-4);
  transition: all var(--transition-base);
}

.nav__cta--whatsapp:hover {
  background: var(--color-gold-light);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(201, 169, 110, 0.35);
}

.nav__cta--whatsapp svg {
  width: 15px;
  height: 15px;
}

/* ── Mobile Hamburger ─────────────────────────────────────── */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
  cursor: pointer;
  background: none;
  border: none;
}

.nav__hamburger span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--color-white);
  transition: all 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;
  transform: scaleX(0);
}

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

/* ── Mobile Menu ──────────────────────────────────────────── */
.nav__mobile {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--color-teal-deeper);
  z-index: calc(var(--z-nav) - 1);
  padding: 100px var(--container-pad) var(--space-12);
  flex-direction: column;
  gap: var(--space-2);
  overflow-y: auto;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

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

.nav__mobile-link {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 300;
  color: rgba(255,255,255,0.85);
  padding: var(--space-3) 0;
  border-bottom: 1px solid rgba(201, 169, 110, 0.12);
  transition: color var(--transition-fast);
}

.nav__mobile-link:hover,
.nav__mobile-link.active {
  color: var(--color-gold);
}

.nav__mobile-sub {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
  padding: var(--space-2) var(--space-4);
  display: block;
  transition: color var(--transition-fast);
}

.nav__mobile-sub:hover {
  color: var(--color-gold);
}

.nav__mobile-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-top: var(--space-8);
}

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 1024px) {
  .nav__links {
    gap: 0;
  }
  .nav__link {
    padding: var(--space-2);
    font-size: 0.8rem;
  }
}

@media (max-width: 768px) {
  .nav__links,
  .nav__actions {
    display: none;
  }

  .nav__hamburger {
    display: flex;
  }

  .site-header--light .nav__hamburger span {
    background: var(--color-teal-deeper);
  }
}