/* =============================================
   BALCHÉ INMOBILIARIA - ESTILOS MEJORADOS
   Diseño elegante café/beige como el original
   ============================================= */

/* ========== FUENTES ========== */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;600;700&family=Inter:wght@300;400;500;600;700&display=swap');

/* ========== VARIABLES DE COLORES ========== */
:root {
    --color-header: #33160f;
    --color-cafe-oscuro: #2F1B14;
    --color-cafe-medio: #5D4037;
    --color-cafe-claro: #8B4513;
    --color-dorado: #D4A574;
    --color-beige: #F5E6D3;
    --color-beige-claro: #FAF6F1;
    --color-crema: #FFF8F0;
    --color-blanco: #FFFFFF;
    --sombra: 0 10px 40px rgba(47, 27, 20, 0.15);
    --sombra-hover: 0 20px 50px rgba(47, 27, 20, 0.25);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: 'Inter', sans-serif;
    background-color: var(--color-beige-claro);
    color: var(--color-cafe-oscuro);
    line-height: 1.7;
}
h1, h2, h3, h4 { font-family: 'Playfair Display', serif; }

/* ========== HEADER ========== */
.header {
    background: linear-gradient(135deg, var(--color-header) 0%, #4a2419 100%);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 30px rgba(0,0,0,0.3);
}
.header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 18px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--color-blanco);
    gap: 12px;
}
.logo-img { height: 55px; }
.logo-text {
    font-family: 'Playfair Display', serif;
    font-size: 1.6rem;
    font-weight: 700;
}
.nav { display: flex; gap: 40px; }
.nav a {
    color: rgba(255,255,255,0.9);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    padding: 5px 0;
}
.nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-dorado);
    transition: width 0.3s ease;
}
.nav a:hover { color: var(--color-dorado); }
.nav a:hover::after { width: 100%; }

/* ========== HERO ========== */
.hero {
    background: linear-gradient(135deg, rgba(51, 22, 15, 0.85), rgba(74, 36, 25, 0.75)),
                url('images/hero-bg.jpg') center/cover fixed;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--color-blanco);
    padding: 120px 20px 80px;
    position: relative;
}
.hero::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 150px;
    background: linear-gradient(to top, var(--color-beige-claro), transparent);
}
.hero-content { position: relative; z-index: 1; max-width: 800px; }
.hero-content h1 {
    font-size: 4rem;
    margin-bottom: 25px;
    text-shadow: 2px 4px 20px rgba(0,0,0,0.4);
    animation: fadeInUp 1s ease;
}
.hero-content p {
    font-size: 1.4rem;
    margin-bottom: 40px;
    font-weight: 300;
    animation: fadeInUp 1s ease 0.2s both;
}
.btn-principal {
    background: linear-gradient(135deg, var(--color-dorado), #c4956a);
    color: var(--color-cafe-oscuro);
    padding: 18px 50px;
    text-decoration: none;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
    box-shadow: 0 10px 30px rgba(212, 165, 116, 0.4);
    animation: fadeInUp 1s ease 0.4s both;
}
.btn-principal:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(212, 165, 116, 0.5);
}
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ========== FILTROS ========== */
.filtros {
    background: var(--color-blanco);
    padding: 60px 0;
    margin-top: -80px;
    position: relative;
    z-index: 10;
    box-shadow: var(--sombra);
}
.filtros-container { max-width: 1200px; margin: 0 auto; padding: 0 40px; }
.filtros h2 {
    text-align: center;
    margin-bottom: 40px;
    color: var(--color-header);
    font-size: 2.5rem;
}
.filtros-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
    align-items: end;
}
.filtro-grupo { display: flex; flex-direction: column; }
.filtro-grupo label {
    margin-bottom: 10px;
    font-weight: 600;
    color: var(--color-cafe-oscuro);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}
.filtro-grupo select {
    padding: 16px 20px;
    border: 2px solid var(--color-beige);
    border-radius: 12px;
    font-size: 1rem;
    background-color: var(--color-blanco);
    cursor: pointer;
    transition: all 0.3s ease;
}
.filtro-grupo select:focus {
    border-color: var(--color-dorado);
    outline: none;
    box-shadow: 0 0 0 4px rgba(212, 165, 116, 0.2);
}
.btn-buscar {
    background: linear-gradient(135deg, var(--color-header), #4a2419);
    color: var(--color-blanco);
    padding: 16px 30px;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
}
.btn-buscar:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(51, 22, 15, 0.3);
}

/* ========== PROPIEDADES ========== */
.propiedades {
    padding: 100px 0;
    background: linear-gradient(180deg, var(--color-beige-claro), var(--color-crema));
}
.propiedades-container { max-width: 1400px; margin: 0 auto; padding: 0 40px; }
.propiedades h2 {
    text-align: center;
    color: var(--color-header);
    margin-bottom: 15px;
    font-size: 3rem;
}
.subtitulo {
    text-align: center;
    color: var(--color-cafe-medio);
    margin-bottom: 60px;
    font-size: 1.2rem;
}
.propiedades-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
    gap: 35px;
}

/* ========== TARJETA PROPIEDAD ========== */
.propiedad {
    background: var(--color-blanco);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--sombra);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.propiedad:hover {
    transform: translateY(-10px);
    box-shadow: var(--sombra-hover);
}
.propiedad-imagen { position: relative; height: 260px; overflow: hidden; }
.propiedad-imagen img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}
.propiedad:hover .propiedad-imagen img { transform: scale(1.08); }
.etiqueta {
    position: absolute;
    top: 20px;
    left: 20px;
    padding: 8px 20px;
    border-radius: 30px;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--color-blanco);
    text-transform: uppercase;
    letter-spacing: 1px;
}
.etiqueta.venta { background: linear-gradient(135deg, #4CAF50, #388E3C); }
.etiqueta.renta { background: linear-gradient(135deg, #2196F3, #1976D2); }
.propiedad-info { padding: 30px; }
.propiedad-info h3 { color: var(--color-header); margin-bottom: 12px; font-size: 1.4rem; }
.ubicacion { color: var(--color-cafe-medio); font-size: 0.95rem; margin-bottom: 15px; }
.precio {
    color: var(--color-cafe-claro);
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 20px;
    font-family: 'Playfair Display', serif;
}
.caracteristicas { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 25px; }
.caracteristicas span {
    background: var(--color-beige);
    padding: 8px 14px;
    border-radius: 8px;
    font-size: 0.85rem;
    color: var(--color-cafe-oscuro);
}
.btn-ver {
    display: block;
    text-align: center;
    background: linear-gradient(135deg, var(--color-header), #4a2419);
    color: var(--color-blanco);
    padding: 15px 25px;
    text-decoration: none;
    border-radius: 12px;
    font-weight: 600;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
}
.btn-ver:hover {
    background: linear-gradient(135deg, var(--color-dorado), #c4956a);
    color: var(--color-cafe-oscuro);
}
.sin-resultados { text-align: center; padding: 60px; color: var(--color-cafe-medio); grid-column: 1 / -1; }

/* ========== NOSOTROS ========== */
.nosotros { background: var(--color-blanco); padding: 100px 0; }
.nosotros-container { max-width: 1100px; margin: 0 auto; padding: 0 40px; text-align: center; }
.nosotros h2 { color: var(--color-header); margin-bottom: 25px; font-size: 3rem; }
.nosotros-container > p { color: var(--color-cafe-medio); margin-bottom: 60px; font-size: 1.2rem; }
.valores { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }
.valor {
    padding: 50px 30px;
    background: linear-gradient(135deg, var(--color-beige-claro), var(--color-crema));
    border-radius: 20px;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}
.valor:hover { transform: translateY(-5px); border-color: var(--color-dorado); box-shadow: var(--sombra); }
.valor .icono { font-size: 4rem; display: block; margin-bottom: 25px; }
.valor h3 { color: var(--color-header); margin-bottom: 15px; font-size: 1.5rem; }
.valor p { color: var(--color-cafe-medio); }

/* ========== MAPA ========== */
.mapa { padding: 100px 0; background: linear-gradient(180deg, var(--color-crema), var(--color-beige)); }
.mapa-container { max-width: 1100px; margin: 0 auto; padding: 0 40px; text-align: center; }
.mapa h2 { color: var(--color-header); margin-bottom: 15px; font-size: 3rem; }
.mapa-container > p { color: var(--color-cafe-medio); margin-bottom: 40px; font-size: 1.2rem; }
.mapa-embed { border-radius: 20px; overflow: hidden; margin-bottom: 30px; box-shadow: var(--sombra); }
.mapa-embed iframe { display: block; }
.btn-mapa {
    display: inline-block;
    background: linear-gradient(135deg, var(--color-header), #4a2419);
    color: var(--color-blanco);
    padding: 16px 40px;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
}
.btn-mapa:hover { transform: translateY(-3px); box-shadow: 0 10px 30px rgba(51, 22, 15, 0.3); }

/* ========== CONTACTO ========== */
.contacto { background: var(--color-blanco); padding: 100px 0; }
.contacto-container { max-width: 900px; margin: 0 auto; padding: 0 40px; text-align: center; }
.contacto h2 { color: var(--color-header); margin-bottom: 15px; font-size: 3rem; }
.contacto-container > p { color: var(--color-cafe-medio); margin-bottom: 50px; font-size: 1.2rem; }
.contacto-info { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.info-item {
    padding: 40px 25px;
    background: linear-gradient(135deg, var(--color-beige-claro), var(--color-crema));
    border-radius: 20px;
    transition: all 0.3s ease;
}
.info-item:hover { transform: translateY(-5px); box-shadow: var(--sombra); }
.info-item .icono { font-size: 3rem; display: block; margin-bottom: 20px; }

/* ========== FOOTER ========== */
.footer {
    background: linear-gradient(135deg, var(--color-header), #1a0b08);
    color: var(--color-blanco);
    padding: 80px 0 30px;
    position: relative;
}
.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(90deg, var(--color-dorado), var(--color-cafe-claro), var(--color-dorado));
}
.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 60px;
}
.footer-logo h3 {
    font-family: 'Playfair Display', serif;
    font-size: 1.8rem;
    margin-bottom: 15px;
    color: var(--color-dorado);
}
.footer-logo p { color: rgba(255,255,255,0.7); }
.footer h4 {
    font-size: 1.1rem;
    margin-bottom: 25px;
    color: var(--color-dorado);
    text-transform: uppercase;
    letter-spacing: 2px;
}
.footer a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    display: block;
    margin-bottom: 12px;
    transition: all 0.3s ease;
}
.footer a:hover { color: var(--color-dorado); padding-left: 10px; }
.footer-copy { text-align: center; padding-top: 40px; margin-top: 50px; border-top: 1px solid rgba(255,255,255,0.1); }
.footer-copy p { font-size: 0.9rem; color: rgba(255,255,255,0.5); }

/* ========== WHATSAPP ========== */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 65px;
    height: 65px;
    background: linear-gradient(135deg, #25D366, #128C7E);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 6px 25px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: all 0.3s ease;
    animation: pulse 2s infinite;
}
.whatsapp-float:hover { transform: scale(1.1); }
@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.5); }
    70% { box-shadow: 0 0 0 15px rgba(37, 211, 102, 0); }
    100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
    .filtros-grid { grid-template-columns: repeat(2, 1fr); }
    .valores, .contacto-info { grid-template-columns: 1fr; }
    .footer-container { grid-template-columns: 1fr; text-align: center; }
}
@media (max-width: 768px) {
    .header-container { flex-direction: column; gap: 15px; padding: 15px 20px; }
    .nav { gap: 20px; flex-wrap: wrap; justify-content: center; }
    .hero-content h1 { font-size: 2.5rem; }
    .filtros-grid, .propiedades-grid { grid-template-columns: 1fr; }
    .propiedades h2, .nosotros h2, .mapa h2, .contacto h2 { font-size: 2rem; }
    .whatsapp-float { bottom: 20px; right: 20px; width: 55px; height: 55px; }
}

/* ========== ESTILOS ADICIONALES PARA FILTROS ========== */
.subtitulo-filtros {
    text-align: center;
    color: var(--color-cafe-medio);
    margin-bottom: 40px;
    font-size: 1.1rem;
}

.filtros-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 20px;
    align-items: end;
}

.filtros-acciones {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 30px;
    margin-top: 25px;
    padding-top: 25px;
    border-top: 1px solid var(--color-beige);
}

.btn-limpiar {
    background: transparent;
    border: 2px solid var(--color-cafe-medio);
    color: var(--color-cafe-medio);
    padding: 10px 25px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.btn-limpiar:hover {
    background: var(--color-cafe-medio);
    color: var(--color-blanco);
}

.contador {
    color: var(--color-cafe-claro);
    font-weight: 600;
    font-size: 1rem;
}

.etiqueta-tipo {
    position: absolute;
    top: 20px;
    right: 20px;
    padding: 6px 15px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    background: rgba(255,255,255,0.95);
    color: var(--color-cafe-oscuro);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Responsive para filtros */
@media (max-width: 1200px) {
    .filtros-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .filtros-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .filtros-acciones {
        flex-direction: column;
        gap: 15px;
    }
}

@media (max-width: 480px) {
    .filtros-grid {
        grid-template-columns: 1fr;
    }
}