/* ==================== NAVIGATION ==================== */
/* ==================== NAVIGATION ==================== */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background: #fff;
  box-shadow: none;
  border-bottom: none; /* ELIMINADO */
  z-index: 1000;
  padding: 0;
  height: 70px;
  display: flex;
  align-items: center;
  margin: 0; /* Asegurar que no tenga margin */
}
.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  height: 100%; /* Ocupa toda la altura del navbar */
}

.nav-brand {
  display: flex;
  align-items: center;
}

.nav-brand a {
  font-size: 24px;
  font-weight: 800;
  color: #000;
  text-transform: uppercase;
  letter-spacing: 2px;
  display: flex;
  align-items: center;
}

.logo {
  height: 40px;
  width: auto;
  display: block;
  transition: height 0.3s ease;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 30px;
  align-items: center;
  margin: 0;
  padding: 0;
}

.nav-link {
  font-size: 13px;
  font-weight: 600;
  color: #333;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 5px 0;
  position: relative;
  transition: color 0.3s ease;
}

.nav-link:hover,
.nav-link.active { 
  color: #000; 
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0; 
  left: 0;
  width: 0; 
  height: 2px;
  background: #000;
  transition: width 0.3s ease;
}

.nav-link:hover::after,
.nav-link.active::after { 
  width: 100%; 
}

.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 5px;
  z-index: 1001;
}

.hamburger span {
  width: 25px; 
  height: 3px; 
  background: #000;
  transition: all 0.3s ease;
}

.hamburger.active span:nth-child(1) { 
  transform: rotate(45deg) translate(8px, 8px); 
}

.hamburger.active span:nth-child(2) { 
  opacity: 0; 
}

.hamburger.active span:nth-child(3) { 
  transform: rotate(-45deg) translate(8px, -8px); 
}

@media (max-width: 768px) {
  .navbar {
    height: 60px;
    /* sutil separación del contenido al hacer scroll */
    background: rgba(255,255,255,0.98);
    -webkit-backdrop-filter: saturate(160%) blur(6px);
            backdrop-filter: saturate(160%) blur(6px);
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
  }

  .logo { height: 35px; }

  .nav-brand a { font-size: 20px; }

  .hamburger { 
    display: flex; 
  }

  .nav-menu {
    position: fixed;
    left: 0; 
    top: 60px;
    width: 100%;
    flex-direction: column;
    text-align: center;
    gap: 0;
    padding: 0;

    /* --- capa visual de “menú” --- */
    background: rgba(255,255,255,0.95);                /* translúcido */
    -webkit-backdrop-filter: saturate(160%) blur(8px);  /* iOS/Safari */
            backdrop-filter: saturate(160%) blur(8px);  /* blur */
    border-top: 2px solid #000000;                      /* tu estilo */
    border-bottom: 2px solid #000000;
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);           /* separación */
    outline: 1px solid rgba(0,0,0,0.04);                /* sutil borde */

    z-index: 999;
    max-height: 0;
    overflow: hidden;                                   /* colapsado */
    transition: max-height 0.4s ease;
  }

  .nav-menu.active {
    /* ocupa el alto disponible y permite scroll interno si hace falta */
    max-height: calc(100vh - 60px);
    overflow: auto;
  }

  .nav-menu li { 
    margin: 0;
    width: 100%;
    border-bottom: 1px solid #000000; /* mantengo tus separadores */
  }

  .nav-menu li:last-child { border-bottom: none; }

  .nav-link { 
    font-size: 18px;
    font-weight: 700;
    padding: 22px 30px;
    display: block;
    width: 100%;
    color: #000000;
    letter-spacing: 2px;
    text-transform: uppercase;
    transition: all 0.3s ease;
    margin: 0;
    /* base clara para que se lea bien sobre páginas oscuras también */
    background: transparent;
  }

  .nav-link::after { display: none; }

  .nav-link:hover,
  .nav-link.active {
    background: #000000;
    color: #ffffff;
  }
}

@media (max-width: 480px) {
  .navbar {
    height: 55px;
  }

  .nav-container { 
    padding: 0 15px; 
  }

  .logo {
    height: 32px;
  }

  .nav-brand a { 
    font-size: 18px; 
    letter-spacing: 1px;
  }

  .nav-menu {
    top: 55px;
  }

  .nav-link {
    font-size: 16px;
    padding: 20px 25px;
  }
}