/* 1. VARIABLES Y BASE */
:root {
    --primary-gold: #b08d48;    
    --dark-carbon: #1a1a1a;    
    --bg-light: #ffffff;       
    --text-gray: #666666;
    --whatsapp-green: #25d366;
    --transition-smooth: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-light);
    color: var(--dark-carbon);
    overflow-x: hidden;
    line-height: 1.6;
}

/* 2. NAVEGACIÓN */
.navbar {
    background-color: rgba(255, 255, 255, 0.95) !important;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px); 
    border-bottom: 1px solid #f2f2f2;
    padding: 15px 0;
}

/* 2.1 CORRECCIÓN DE SOLAPAMIENTO (IMPORTANTE) */
section, [id] {
    /* Esto evita que la navbar sticky tape los títulos al clickear el menú */
    scroll-margin-top: 90px; 
}

.navbar-brand {
    letter-spacing: 3px;
    font-weight: 700;
    color: var(--dark-carbon) !important;
    font-size: 1.1rem;
}

.nav-link {
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 1.5px;
    font-weight: 600;
    color: var(--dark-carbon) !important;
    transition: var(--transition-smooth);
}

.nav-link:hover {
    color: var(--primary-gold) !important;
    transform: translateY(-1px);
}

/* 3. PRODUCTOS (CARDS) */
#contenedor-productos .card {
    border: none !important;
    border-radius: 0; 
    background-color: white;
    transition: var(--transition-smooth);
    height: 100%;
}

#contenedor-productos .card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.07) !important;
}

.card-img-top {
    border-radius: 0;
    transition: transform 0.8s ease;
}

#contenedor-productos .card:hover .card-img-top {
    transform: scale(1.05);
}

.card-body {
    padding: 1.5rem 0.5rem; 
}

.card-title {
    font-size: 0.9rem;
    letter-spacing: 1px;
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 5px;
}

.card-text.text-muted {
    font-size: 0.75rem;
    letter-spacing: 0.5px;
}

/* 4. BOTONES Y FILTROS */
.btn-primary {
    background-color: var(--dark-carbon) !important;
    border: none !important;
    border-radius: 0;
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 2px;
    padding: 15px 30px;
}

.filter-btn {
    border: none;
    border-bottom: 2px solid transparent;
    background: none;
    border-radius: 0;
    color: #999;
    padding: 8px 15px;
    margin: 0 10px;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    transition: var(--transition-smooth);
}

.filter-btn:hover, .filter-btn.active {
    color: var(--dark-carbon);
    border-bottom: 2px solid var(--primary-gold);
    background: none !important;
}

/* 5. MODAL DE ZOOM */
#imageModal {
    display: none !important; 
    background-color: rgba(0,0,0,0.95) !important;
    backdrop-filter: blur(5px);
}

#modalImg {
    transition: transform 0.3s ease;
    border: 2px solid rgba(255,255,255,0.1);
}

/* 6. WHATSAPP FLOTANTE */
.btn-whatsapp {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: var(--whatsapp-green);
    color: white !important;
    border-radius: 50%;
    width: 60px;
    height: 60px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 30px;
    box-shadow: 0 10px 25px rgba(37, 211, 102, 0.3);
    z-index: 9998;
    transition: var(--transition-smooth);
}

.btn-whatsapp:hover {
    transform: scale(1.1) rotate(5deg);
}

/* 7. RESPONSIVE */
@media (max-width: 768px) {
    /* Ajustamos el margen de scroll para móvil ya que la navbar suele ser más pequeña */
    section, [id] {
        scroll-margin-top: 70px;
    }

    .filter-btn {
        margin: 5px 2px;
        font-size: 0.65rem;
        padding: 5px 8px;
    }

    .card-img-top {
        height: 200px; 
    }

    h1 {
        font-size: 2rem !important;
        letter-spacing: 2px;
    }
}