/* responsive.css */
/* Menú hamburguesa responsive para múltiples dispositivos */

/* ===== HAMBURGUESA (oculta en desktop) ===== */
.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
  background: none;
  border: none;
  padding: 0.5rem;
  margin-left: 9rem;
}

.hamburger span {
  width: 28px;
  height: 3px;
  background: var(--texto);
  margin: 4px 0;
  transition: all 0.3s ease;
  border-radius: 3px;
}

/* Animación hamburguesa → X */
.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

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

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

/* Overlay oscuro */
.nav-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.nav-overlay.active {
  display: block;
  opacity: 1;
}

/* ========================================= */
/* RESPONSIVE BREAKPOINTS
/* ========================================= */

/* ===== TABLETS (Landscape) - 1024px y menos ===== */
@media (max-width: 1024px) and (min-width: 769px) {
  .main-nav ul {
    gap: 1rem;
  }
  
  .main-nav a {
    font-size: 0.95rem;
  }
  
  .site-header .brand h1 {
    font-size: 1.3rem;
  }
}

/* ===== TABLETS (Portrait) - 768px y menos ===== */
@media (max-width: 768px) {
  
  /* ============================================
     Z-INDEX HIERARCHY - UNA SOLA VEZ
     ============================================ */
  
  /* 1. Header por encima de todo */
  .site-header {
    position: relative;
    z-index: 10000 !important;
  }
  
  /* 2. Hamburguesa siempre visible y clickeable */
  .hamburger {
    position: relative;
    z-index: 10001 !important;
  }
  
  /* 3. Menú desplegable */
.nav-overlay {
  z-index: 9998 !important;
  pointer-events: none;
}

.nav-overlay.active {
  pointer-events: auto;
}
  
  /* ============================================
     MENÚ HAMBURGUESA - COMPORTAMIENTO
     ============================================ */
  
.hamburger {
display: flex;
}
  
.main-nav ul {
    position: fixed;
    top: 0;
    right: -100%;
    height: 100vh;
    width: 75%;
    max-width: 350px;
    background: linear-gradient(135deg, var(--secundario) 0%, var(--fondo) 100%);
    backdrop-filter: blur(10px);
    flex-direction: column;
    justify-content: flex-start;  /* ← Alinea arriba */
    gap: 2rem;
    padding: 6rem 2rem 2rem 2rem;  /* ← Espacio arriba para el logo/header */
    transition: right 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    box-shadow: -5px 0 20px rgba(0, 0, 0, 0.5);
    overflow-y: auto;
  }
  
  .main-nav ul.active {
    right: 0;
  }
  
  .main-nav li {
    width: 100%;
    text-align: center;
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.3s ease;
  }
  
  /* Animación de entrada de items */
  .main-nav ul.active li {
    opacity: 1;
    transform: translateX(0);
  }
  
  .main-nav ul.active li:nth-child(1) { transition-delay: 0.1s; }
  .main-nav ul.active li:nth-child(2) { transition-delay: 0.15s; }
  .main-nav ul.active li:nth-child(3) { transition-delay: 0.2s; }
  .main-nav ul.active li:nth-child(4) { transition-delay: 0.25s; }
  .main-nav ul.active li:nth-child(5) { transition-delay: 0.3s; }
  .main-nav ul.active li:nth-child(6) { transition-delay: 0.35s; }
  
  .main-nav a {
    display: block;
    padding: 1rem 1.5rem;
    font-size: 1.1rem;
    border-radius: 8px;
    border: 2px solid transparent;
    transition: all 0.3s;
  }
  
  .main-nav a:hover,
  .main-nav a.active {
    background: rgba(196, 30, 58, 0.2);
    border-color: var(--acento);
    transform: translateX(5px);
  }
  
  /* Ajustar header en tablet */
  .site-header {
    padding: 1rem;
  }
  
  .site-header .brand h1 {
    font-size: 1.2rem;
  }
  
  /* Prevenir scroll cuando el menú está abierto */
  body.menu-open {
    overflow: hidden;
    height: 100vh;
  }
  
}

/* ===== MÓVILES GRANDES (Landscape) - 640px y menos ===== */
@media (max-width: 640px) {
  .main-nav ul {
    width: 85%;
    max-width: 300px;
    gap: 1.5rem;
    padding: 1.5rem;
  }
  
  .main-nav a {
    font-size: 1rem;
    padding: 0.9rem 1.2rem;
  }
  
  .site-header .brand h1 {
    font-size: 1rem;
  }
  
  .hamburger span {
    width: 24px;
  }
}

/* ===== MÓVILES PEQUEÑOS - 480px y menos ===== */
@media (max-width: 480px) {
  .main-nav ul {
    width: 90%;
    gap: 1.2rem;
    padding: 1rem;
  }
  
  .main-nav a {
    font-size: 0.95rem;
    padding: 0.8rem 1rem;
  }
  
  .site-header {
    padding: 0.8rem;
  }
  
  .site-header .brand h1 {
    font-size: 0.9rem;
    letter-spacing: 0.5px;
  }
  
  .hamburger {
    padding: 0.3rem;
  }
  
  .hamburger span {
    width: 22px;
    height: 2.5px;
    margin: 3px 0;
  }
}

/* ===== MÓVILES MUY PEQUEÑOS - 360px y menos ===== */
@media (max-width: 360px) {
  .main-nav ul {
    width: 95%;
    padding: 0.8rem;
  }
  
  .main-nav a {
    font-size: 0.9rem;
    padding: 0.7rem 0.8rem;
  }
  
  .site-header .brand h1 {
    font-size: 0.8rem;
  }
}