/* ==========================================
   POSADA DEL RÍO - CSS GLOBAL RENZO8
   Variables, Reset, Header, Footer y Base
   ========================================== */

/* ==========================================
   VARIABLES CSS GLOBALES
   ========================================== */
:root {
  /* Colores principales */
  --color-principal: #e7e1cd;
  --color-texto: #2e2e2e;
  --color-acento: #6a4e42;
  --color-boton: #468189;
  --color-secundario: #c4b7a6;
  --color-detalle: #9c7a5b;
  
  /* Sistema de espaciado */
  --space-1: 0.5rem;   /* 8px */
  --space-2: 1rem;     /* 16px */
  --space-3: 1.5rem;   /* 24px */
  --space-4: 2rem;     /* 32px */
  --space-5: 2.5rem;   /* 40px */
  --space-6: 3rem;     /* 48px */
  --space-8: 4rem;     /* 64px */
  --space-10: 5rem;    /* 80px */
  --space-12: 6rem;    /* 96px */
  
  /* Espaciado específico */
  --section-padding: var(--space-8);
  --section-margin: var(--space-10);
  --container-padding: var(--space-4);
  --element-gap: var(--space-3);
  --micro-gap: var(--space-1);
}

/* ==========================================
   RESET Y BASE
   ========================================== */
* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  background-color: var(--color-principal);
  color: var(--color-texto);
  line-height: 1.6;
}

/* En global.css */
h1:not(.hero-text h1), h2, h3, h4, h5, h6 {
  color: var(--color-acento);
}

p {
  margin-top: 0;
}

img {
  max-width: 100%;
  height: auto;
}

a {
  color: var(--color-boton);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* ==========================================
   HEADER Y NAVEGACIÓN
   ========================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.8rem 2rem;
  background-color: rgba(255, 255, 255, 0.95);
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  z-index: 100;
  box-sizing: border-box;
}

.logo {
  flex-shrink: 0;
}

.logo-img {
  width: 180px;
  height: auto;
  display: block;
  transition: transform 0.3s ease;
}

.nav-principal {
  display: flex;
  gap: 1.5rem;
}

.nav-principal a {
  color: var(--color-acento);
  text-decoration: none;
  font-weight: bold;
  padding: 0.5rem 0.8rem;
  border-radius: 4px;
  transition: background-color 0.3s, color 0.3s;
}

.nav-principal a:hover {
  background-color: rgba(70, 129, 137, 0.1);
  color: var(--color-boton);
}

/* Menú hamburguesa */
.menu-toggle {
  display: none;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 10px;
  z-index: 101;
}

.hamburger {
  display: block;
  position: relative;
  width: 30px;
  height: 3px;
  background: var(--color-acento);
  transition: transform 0.3s, background 0.3s;
}

.hamburger::before,
.hamburger::after {
  content: '';
  position: absolute;
  left: 0;
  width: 30px;
  height: 3px;
  background: var(--color-acento);
  transition: transform 0.3s;
}

.hamburger::before {
  top: -8px;
}

.hamburger::after {
  bottom: -8px;
}

.menu-open .hamburger {
  transform: rotate(45deg);
}

.menu-open .hamburger::before {
  top: 0;
  transform: rotate(0deg);
}

.menu-open .hamburger::after {
  bottom: 0;
  transform: rotate(90deg);
}

/* ==========================================
   ESTILOS PARA NAVEGACIÓN CON ICONOS
   Usado en: que_hacer.html, buscador.html
   ========================================== */

/* Iconos en el menú */
.nav-principal .icono-nav {
  font-size: 1.1rem;
  margin-right: 0.3rem;
  vertical-align: middle;
}

/* Destacar enlaces especiales en navegación */
.nav-principal .nav-destacado {
  background: rgba(70, 129, 137, 0.1);
  border: 1px solid var(--color-boton);
}

.nav-principal .nav-destacado:hover {
  background: var(--color-boton);
  color: white;
}

/* Smooth scroll global */
html {
  scroll-behavior: smooth;
}

/* Ajuste del scroll-margin para secciones con ancla */
#contacto {
  scroll-margin-top: 80px;
}

/* ==========================================
   RESPONSIVE: MENÚ CON ICONOS
   ========================================== */
@media (max-width: 768px) {
  body.menu-open .nav-principal a {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    padding: 0.8rem 1rem;
    width: 100%;
  }
  
  .nav-principal .icono-nav {
    min-width: 25px;
    text-align: center;
  }
}

/* ==========================================
   CONTENIDO PRINCIPAL
   ========================================== */
.contenido-principal {
  padding-top: 80px;
  margin: 0;
}

/* Secciones principales */
section {
  padding: var(--section-padding) var(--container-padding);
  margin-bottom: var(--section-margin);
  text-align: center;
}

/* ==========================================
   TÍTULOS GLOBALES
   ========================================== */
h2 {
  color: var(--color-acento);
  margin-top: 0;
  margin-bottom: var(--space-4);
  position: relative;
  display: inline-block;
}

h2:after {
  content: '';
  display: block;
  width: 70%;
  height: 3px;
  background: var(--color-boton);
  margin: var(--space-1) auto 0;
}

/* ==========================================
   BOTONES BASE
   ========================================== */
button {
  background-color: var(--color-boton);
  color: white;
  border: none;
  cursor: pointer;
  font-family: inherit;
  transition: all 0.3s;
}

button:hover {
  background-color: #3a6f74;
}

button:disabled {
  background-color: #ccc;
  cursor: not-allowed;
}

/* ==========================================
   FORMULARIOS BASE
   ========================================== */
input, select {
  padding: 0.5rem;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-family: inherit;
  font-size: 1rem;
  transition: border-color 0.3s;
}

input:focus, select:focus {
  border-color: var(--color-boton);
  outline: none;
  box-shadow: 0 0 0 2px rgba(70, 129, 137, 0.2);
}

label {
  font-weight: bold;
  color: var(--color-texto);
  display: block;
  margin-bottom: 0.5rem;
}

/* ==========================================
   FOOTER
   ========================================== */
footer {
  background-color: var(--color-acento);
  color: white;
  padding: var(--space-4) var(--container-padding);
  margin-top: var(--space-8);
  text-align: center;
}

/* ==========================================
   UTILIDADES GLOBALES
   ========================================== */
.oculto {
  display: none !important;
  visibility: hidden !important;
  opacity: 0 !important;
}

.text-center {
  text-align: center;
}

.text-left {
  text-align: left;
}

.text-right {
  text-align: right;
}

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--space-1); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--space-1); }
.mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }

/* ==========================================
   RESPONSIVE MOBILE
   ========================================== */
@media (max-width: 768px) {
  .site-header {
    padding: 0.8rem 1rem;
  }
  
  .logo-img {
    width: 150px;
  }
  
  .menu-toggle {
    display: block;
  }

  .nav-principal {
    position: fixed;
    top: 0;
    right: -100%;
    width: 75%;
    height: 100vh;
    background: white;
    box-shadow: -5px 0 15px rgba(0,0,0,0.1);
    flex-direction: column;
    padding: 80px 2rem 2rem;
    transition: right 0.3s ease;
    z-index: 100;
    align-items: flex-start;
  }

  .menu-open .nav-principal {
    right: 0;
  }

  .nav-principal a {
    padding: 12px 5px;
    width: 100%;
    text-align: left;
    border-bottom: 1px solid rgba(0,0,0,0.05);
  }
  
  .contenido-principal {
    padding-top: 70px;
  }
  
  section {
    padding: var(--space-4) var(--space-2);
    margin-bottom: var(--space-6);
  }
}

/* ==========================================
   ANIMACIONES GLOBALES
   ========================================== */
@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Spinner genérico */
.spinner {
  border: 4px solid #f3f3f3;
  border-top: 4px solid var(--color-boton);
  border-radius: 50%;
  width: 30px;
  height: 30px;
  animation: spin 1s linear infinite;
  margin: 0 auto;
}