:root {
  --sepia-oscuro: #654321;       /* marrón chocolate vintage */
  --sepia-medio: #8B6914;        /* dorado envejecido */
  --sepia-claro: #D2B48C;        /* tan cálido */
  --sepia-muy-claro: #F5DEB3;    /* trigo suave */
  --crema-vintage: #FDF5E6;      /* crema antigua */
  --marron-cafe: #8B4513;        /* café tostado */
}

/* ================
   Reset básico
================ */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', sans-serif;
  background-color: var(--crema-vintage);
  color: var(--sepia-oscuro);
  line-height: 1.6;
  min-height: 100vh;
}

/* ====================
   Cabecera común con fondo sepia
==================== */
header.cabecera-comun {
  position: relative;
  height: 40vh;
  min-height: 500px;
  max-height: 1000px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  color: white;
}

/* Imagen principal central */
header.cabecera-comun::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("../img/laCalera-1955.jpg");
  background-size: contain;
  background-position: center;
  background-repeat: no-repeat;
  filter: sepia(100%) contrast(1.2) brightness(1.1) saturate(0.8);
  z-index: 1;
}

/* Degradado sepia vintage */
header.cabecera-comun::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(101, 67, 33, 0.5) 0%,    /* Sepia oscuro */
    rgba(139, 105, 20, 0.4) 30%,  /* Sepia medio */
    rgba(210, 180, 140, 0.3) 70%, /* Sepia claro */
    rgba(245, 222, 179, 0.3) 100% /* Sepia muy claro */
  );
  z-index: 2;
}

/* Imágenes decorativas pequeñas */
header.cabecera-comun .imagen-decorativa {
  position: absolute;
  width: 80px;
  height: 80px;
  background-size: cover;
  background-position: center;
  border-radius: 50%;
  filter: sepia(100%) contrast(1.2) brightness(1.1) saturate(0.8);
  opacity: 0.7;
  z-index: 3;
  border: 2px solid rgba(245, 222, 179, 0.6);
  box-shadow: 0 4px 12px rgba(101, 67, 33, 0.4);
}

/* Posiciones de las imágenes decorativas */
header.cabecera-comun .imagen-decorativa.top-left {
  top: 10%;
  left: 8%;
  background-image: url("../img/imagen1.jpg");
}

header.cabecera-comun .imagen-decorativa.top-right {
  top: 10%;
  right: 8%;
  background-image: url("../img/imagen2.jpg");
}

header.cabecera-comun .imagen-decorativa.bottom-left {
  bottom: 10%;
  left: 8%;
  background-image: url("../img/imagen3.jpg");
}

header.cabecera-comun .imagen-decorativa.bottom-right {
  bottom: 10%;
  right: 8%;
  background-image: url("../img/imagen4.jpg");
}

header.cabecera-comun .imagen-decorativa.middle-left {
  top: 50%;
  left: 5%;
  transform: translateY(-50%);
  background-image: url("../img/imagen5.jpg");
}

header.cabecera-comun .imagen-decorativa.middle-right {
  top: 50%;
  right: 5%;
  transform: translateY(-50%);
  background-image: url("../img/imagen6.jpg");
}

/* Efectos hover para las imágenes decorativas */
header.cabecera-comun .imagen-decorativa:hover {
  opacity: 0.95;
  transform: scale(1.1);
  transition: all 0.3s ease;
  border-color: rgba(245, 222, 179, 0.9);
  box-shadow: 0 6px 16px rgba(101, 67, 33, 0.6);
}

/* Contenido del header por encima de todo */
header.cabecera-comun .header-content {
  position: relative;
  z-index: 4;
  padding: 1rem 2rem;
}

header.cabecera-comun img.logo {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  border: 3px solid var(--crema-vintage);
  background-color: rgba(245, 222, 179, 0.85);
  margin-bottom: 1rem;
  box-shadow: 0 0 10px rgba(101, 67, 33, 0.4);
  filter: sepia(20%);
}

header.cabecera-comun h1 {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
  font-weight: bold;
  color: var(--crema-vintage);
  text-shadow: 2px 2px 4px rgba(101, 67, 33, 0.8);
}

header.cabecera-comun p {
  font-size: 1.3rem;
  color: var(--crema-vintage);
  text-shadow: 1px 1px 3px rgba(101, 67, 33, 0.7);
}

/* ===================
   Navegación
=================== */
nav {
  background: linear-gradient(135deg, var(--sepia-medio), var(--marron-cafe));
  padding: 0.75rem 0;
  box-shadow: 0 2px 8px rgba(101, 67, 33, 0.3);
}

nav ul {
  display: flex;
  justify-content: center;
  list-style: none;
  gap: 2rem;
}

nav a {
  color: var(--crema-vintage);
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
  padding: 0.5rem 1rem;
  border-radius: 5px;
}

nav a:hover {
  color: var(--sepia-muy-claro);
  background-color: rgba(245, 222, 179, 0.2);
  transform: translateY(-2px);
}

/* =====================
   Contenido principal
===================== */
main {
  padding: 2rem 1rem;
  background-color: var(--crema-vintage);
}

section {
  margin-bottom: 2rem;
}

.tarjeta {
  background: linear-gradient(145deg, var(--sepia-muy-claro), var(--crema-vintage));
  padding: 1rem 1.5rem;
  border-radius: 10px;
  box-shadow: 
    4px 4px 12px rgba(101, 67, 33, 0.2),
    inset 1px 1px 3px rgba(245, 222, 179, 0.8);
  max-width: 500px;
  margin: 1.5rem auto;
  border: 1px solid var(--sepia-claro);
}

.tarjeta h2 {
  color: var(--sepia-oscuro);
  margin-bottom: 1rem;
  font-weight: bold;
}

.tarjeta p {
  color: var(--marron-cafe);
}

/* ====================
   Galería de imágenes
==================== */
.galeria {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  margin-top: 1rem;
}

.galeria img {
  width: 220px;
  height: auto;
  border-radius: 10px;
  box-shadow: 
    4px 4px 12px rgba(101, 67, 33, 0.3),
    2px 2px 6px rgba(139, 105, 20, 0.2);
  transition: all 0.3s ease;
  filter: sepia(30%) contrast(1.1) brightness(1.05);
  border: 2px solid var(--sepia-claro);
}

.galeria img:hover {
  transform: scale(1.05) rotate(1deg);
  filter: sepia(10%) contrast(1.2) brightness(1.1);
  box-shadow: 
    6px 6px 16px rgba(101, 67, 33, 0.4),
    3px 3px 8px rgba(139, 105, 20, 0.3);
}

/* ====================
   Pie de página
==================== */
footer {
  background: linear-gradient(135deg, var(--sepia-oscuro), var(--marron-cafe));
  color: var(--crema-vintage);
  text-align: center;
  padding: 1.5rem 1rem;
  font-size: 0.9rem;
  margin-top: 2rem;
  box-shadow: 0 -4px 12px rgba(101, 67, 33, 0.3);
}

/* ====================
   Efectos adicionales vintage
==================== */
h1, h2, h3 {
  color: var(--sepia-oscuro);
  font-family: 'Georgia', serif;
}

/* Efecto papel envejecido en el body */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(circle at 20% 80%, rgba(139, 105, 20, 0.03) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(101, 67, 33, 0.03) 0%, transparent 50%);
  pointer-events: none;
  z-index: -1;
}

/* Botones con estilo vintage */
button, .boton {
  background: linear-gradient(145deg, var(--sepia-claro), var(--sepia-medio));
  color: var(--sepia-oscuro);
  border: 2px solid var(--marron-cafe);
  padding: 0.7rem 1.5rem;
  border-radius: 8px;
  font-weight: bold;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 3px 3px 8px rgba(101, 67, 33, 0.3);
}

button:hover, .boton:hover {
  background: linear-gradient(145deg, var(--sepia-medio), var(--sepia-claro));
  transform: translateY(-2px);
  box-shadow: 4px 4px 12px rgba(101, 67, 33, 0.4);
}