/* ═══════════════════════════════════════════════
   nav.css — Barra de navegación
   ═══════════════════════════════════════════════ */

.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 1000;
  transition: background 0.3s, box-shadow 0.3s;
}

.navbar.scrolled {
  background: rgba(5, 10, 18, 0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 var(--border);
}

.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Logo */
.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}
.nav-logo-icon {
  width: 42px;
  height: 42px;
  flex-shrink: 0;
}
.nav-logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1;
}
.nav-logo-main {
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 1px;
}
.nav-logo-sub {
  font-family: var(--font-head);
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 3px;
  color: var(--cyan);
  text-transform: uppercase;
}

/* Links */
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
}

.nav-link {
  font-family: var(--font-head);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text2);
  padding: 8px 14px;
  border-radius: var(--radius);
  transition: color 0.2s, background 0.2s;
  position: relative;
  cursor: pointer;
  display: block;
  text-decoration: none;
}
.nav-link:hover,
.nav-link.active {
  color: var(--cyan);
  background: var(--cyan-glow2);
}

/* Dropdown */
.nav-item { position: relative; }
.nav-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 280px;
  background: rgba(8, 15, 26, 0.98);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 10px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: all 0.2s ease;
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-card);
}
.nav-item:hover .nav-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.nav-dropdown a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  font-family: var(--font-head);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.5px;
  color: var(--text2);
  border-radius: var(--radius);
  transition: all 0.15s;
  text-decoration: none;
}
.nav-dropdown a:hover {
  color: var(--cyan);
  background: var(--cyan-glow2);
}
.nav-dropdown a .dd-icon {
  width: 28px; height: 28px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  flex-shrink: 0;
}

/* Right side */
.nav-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-lang {
  font-family: var(--font-head);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 1px;
  color: var(--text3);
  padding: 6px 10px;
  cursor: pointer;
  transition: color 0.2s;
}
.nav-lang:hover { color: var(--cyan); }

.nav-search {
  width: 34px; height: 34px;
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text3);
  transition: all 0.2s;
  font-size: 0.85rem;
}
.nav-search:hover { border-color: var(--cyan); color: var(--cyan); }

/* Mobile hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 6px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: none;
}
.nav-hamburger span {
  display: block;
  width: 22px; height: 2px;
  background: var(--text2);
  border-radius: 2px;
  transition: all 0.25s;
}
.nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile nav */
@media (max-width: 900px) {
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }

  .nav-mobile {
    position: fixed;
    top: var(--nav-h);
    left: 0; right: 0;
    background: rgba(5, 10, 18, 0.98);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: 16px 24px 24px;
    transform: translateY(-110%);
    transition: transform 0.3s ease;
    z-index: 999;
  }
  .nav-mobile.open { transform: translateY(0); }

  .nav-mobile a {
    display: block;
    padding: 13px 0;
    font-family: var(--font-head);
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 1px;
    color: var(--text2);
    border-bottom: 1px solid var(--border);
    text-decoration: none;
    transition: color 0.2s;
  }
  .nav-mobile a:hover { color: var(--cyan); }
}