/* ==========================================================================
   style3.css - Versión con header corregido (sin superposición en responsive)
   Manteniendo formulario y póster casi sin tocar
   ========================================================================== */

:root {
  --bg: #0d1117;
  --card: #161b22;
  --accent: #c1121f;           /* rojo para coherencia con index */
  --accent-dark: #8f0e18;
  --text: #e2e8f0;
  --light: #f8f9fa;
  --dark: #212529;
  --gray: #6c757d;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: system-ui, -apple-system, sans-serif;
  color: var(--dark);
  line-height: 1.6;
  background: black;
  background-repeat: round;
  align-content: center;
}

/* ==========================================================================
   HEADER – versión corregida para evitar superposición
   ========================================================================== */
header {
  background: var(--dark);
  color: white;
  padding: 1rem 1rem;
  box-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
  min-height: 50px;                /* evita colapso */
}

.logo {
  font-size: 1.8rem;
  font-weight: bold;
  color: var(--accent);
  text-decoration: none;
  flex-shrink: 0;
  padding-right: 1rem;             /* pequeño margen extra */
}

.menu-toggle {
  display: none;
  font-size: 2.2rem;
  line-height: 1;
  background: none;
  border: none;
  color: white;
  cursor: pointer;
  padding: 0.3rem 0.6rem;
  margin-left: auto;               /* empuja a la derecha */
  z-index: 200;
}

.main-nav {
  display: block;
}

.main-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 1rem;
  justify-content: flex-end;
  flex-wrap: wrap;
}

.main-nav a {
  color: white;
  text-decoration: none;
  font-weight: 500;
  padding: 0.5rem 0.8rem;
  border-radius: 6px;
  transition: background 0.2s;
}

.main-nav a:hover,
.main-nav a.active {
  background: var(--accent);
}

/* ==========================================================================
   FORMULARIO + SORTEO (prácticamente sin cambios)
   ========================================================================== */
h2 {
  text-align: center;
  margin-bottom: 35px;
  font-size: 2.1rem;
  color: white;
  text-shadow: 0 2px 10px rgba(0,0,0,0.3);
  background: #8f0e18;
}

.form-group {
  margin-bottom: 25px;
}

label {
  display: block;
  margin-bottom: 8px;
  color: red;
  font-weight: 700;
  font-size: 20px;
}

input {
  width: 100%;
  padding: 14px 16px;
  border: none;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.25);
  color: white;
  font-size: 1rem;
  transition: all 0.3s ease;
}

input:focus {
  outline: none;
  background: rgba(255, 255, 255, 0.35);
  box-shadow: 0 0 0 3px rgba(193,18,31,0.25);
  transform: translateY(-2px);
}

input::placeholder{
  color: rgb(255, 255, 0);
  font-weight: 400;
  font-size: 16px;
}

button {
  width: 100%;
  padding: 16px;
  background: linear-gradient(90deg, var(--accent), var(--accent-dark));
  color: white;
  border: none;
  border-radius: 10px;
  font-size: 1.1rem;
  font-weight: bold;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 5px 15px rgba(193,18,31,0.4);
  margin-top: 10px;
}

button:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(193,18,31,0.5);
}

.message {
  margin-top: 20px;
  padding: 15px;
  border-radius: 10px;
  text-align: center;
  font-weight: 500;
  display: none;
}

.success {
  background: rgba(46, 204, 113, 0.3);
  color: #2ecc71;
  display: block;
}

.error {
  background: rgba(231, 76, 60, 0.3);
  color: #e74c3c;
  display: block;
}

.contact-container {
  max-width: 1100px;
  margin: 0 auto 4rem;
  padding: 0 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 2.5rem 3rem;
  opacity: 0.825;
  align-items: center;
  justify-content: center;
  background-color: black;
}

.contact-container > form {
  flex: 1;
  min-width: 320px;
  max-width: 480px;
}

.sorteo-poster {
  flex: 1;
  min-width: 320px;
  text-align: center;
}

.sorteo-poster img {
  max-width: 100%;
  height: auto;
  border-radius: 12px;
  box-shadow: 
    0 10px 30px rgba(193,18,31,0.45),
    0 0 0 3px rgba(193,18,31,0.18);
  transition: all 0.3s ease;
}

.sorteo-poster img:hover {
  transform: scale(1.025);
  box-shadow: 
    0 15px 45px rgba(193,18,31,0.65),
    0 0 0 4px rgba(193,18,31,0.3);
}

/* ==========================================================================
   RESPONSIVE – parte crítica para evitar superposición
   ========================================================================== */
@media (max-width: 768px) {
.menu-toggle {
    display: block;
  }

.main-nav ul {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--dark);
    padding: 1.5rem;
    flex-direction: column;
    gap: 0.5rem;
    box-shadow: 0 8px 16px rgba(0,0,0,0.5);
    z-index: 150;
  }

.main-nav ul.show {
    display: flex;
  }

 /* Esto evita superposición casi siempre */
  .nav-container {
    padding-right: 60px !important;   /* reserva espacio fijo para el botón */
  }

  
  .logo {
    font-size: 1.6rem;
  }

  .contact-container {
    flex-direction: column;
    gap: 2.5rem;
  }

  .contact-container > form,
  .sorteo-poster {
    max-width: 100%;
  }
}

/* Limpiar restos innecesarios */
header.shadow,
.nav.container,
.inicio,
p { font-weight: normal; font-size: inherit; }