/* ========================================
   ESTILOS GLOBALES - ALCALARIA EMPRESAS FERRETERÍA
   Paleta: Industrial (Naranja construcción + Grises)
   ======================================== */

:root {
    /* Colores principales ferretería */
    --naranja-herramienta: #FF6B35;
    --gris-acero: #4A5568;
    --gris-concreto: #718096;
    --amarillo-seguridad: #FFD93D;
    --azul-trabajo: #2B6CB0;
    --verde-proyecto: #48BB78;
    --rojo-alerta: #E53E3E;
    --negro-carbon: #1A202C;
    --blanco-cal: #F7FAFC;
    
    /* Gradientes industriales */
    --gradient-herramienta: linear-gradient(135deg, #FF6B35 0%, #FFD93D 100%);
    --gradient-acero: linear-gradient(135deg, #4A5568 0%, #718096 100%);
    --gradient-construccion: linear-gradient(135deg, #2B6CB0 0%, #48BB78 100%);
    --gradient-seguridad: linear-gradient(135deg, #FFD93D 0%, #FF6B35 100%);
    
    /* Espaciados */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
}

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

body {
    font-family: 'MS Sans Serif', Geneva, sans-serif;
    background: linear-gradient(135deg, #F7FAFC 0%, #E2E8F0 100%);
    color: var(--negro-carbon);
    line-height: 1.6;
}

/* Loader Recarga Nequi*/
.alcalaria-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-herramienta);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.3s ease;
}

.loader-herramienta {
    text-align: center;
    animation: pulseHerramienta 1.5s infinite;
}

.loader-herramienta svg {
    width: 80px;
    height: 80px;
    fill: white;
    animation: rotateHerramienta 2s linear infinite;
}

.loader-herramienta span {
    display: block;
    color: white;
    font-size: 1.2rem;
    margin-top: 1rem;
    font-weight: bold;
}

@keyframes pulseHerramienta {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

@keyframes rotateHerramienta {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Header Principal */
.header-alcalaria {
    background: var(--gradient-acero);
    padding: 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.nav-ferreteria {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-xl);
    max-width: 1400px;
    margin: 0 auto;
}

.logo-ferreteria {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
    color: white;
    font-size: 1.2rem;
    font-weight: bold;
    transition: transform 0.3s ease;
}

.logo-ferreteria:hover {
    transform: translateY(-2px);
}

.logo-ferreteria svg {
    width: 32px;
    height: 32px;
}

.menu-ferreteria {
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
}

.menu-ferreteria a {
    color: white;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 4px;
    transition: all 0.3s ease;
}

.menu-ferreteria a:hover {
    background: rgba(255,255,255,0.1);
    transform: translateY(-2px);
}

.menu-ferreteria svg {
    width: 18px;
    height: 18px;
}

.menu-toggle {
    display: none;
    background: transparent;
    border: 2px solid white;
    color: white;
    padding: var(--spacing-sm);
    cursor: pointer;
    border-radius: 4px;
}

/* Responsive Menu */
@media (max-width: 768px) {
    .menu-ferreteria {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--gris-acero);
        flex-direction: column;
        padding: var(--spacing-md);
        box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    }
    
    .menu-ferreteria.active {
        display: flex;
    }
    
    .menu-toggle {
        display: block;
    }
    
    .logo-ferreteria span {
        display: none;
    }
}

/* Cards de productos */
.card-herramienta {
    background: white;
    border: 2px solid #c0c0c0;
    padding: var(--spacing-lg);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.card-herramienta:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.card-herramienta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-herramienta);
}

/* Botones principales */
.btn-ferreteria {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    background: var(--gradient-herramienta);
    color: white;
    border: none;
    cursor: pointer;
    font-weight: bold;
    transition: all 0.3s ease;
    text-decoration: none;
}

.btn-ferreteria:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 107, 53, 0.3);
}

.btn-ferreteria-outline {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    background: transparent;
    color: var(--naranja-herramienta);
    border: 2px solid var(--naranja-herramienta);
    cursor: pointer;
    font-weight: bold;
    transition: all 0.3s ease;
    text-decoration: none;
}

.btn-ferreteria-outline:hover {
    background: var(--naranja-herramienta);
    color: white;
    transform: translateY(-2px);
}

/* Secciones */
.section-ferreteria {
    padding: var(--spacing-2xl) var(--spacing-xl);
    max-width: 1400px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-title {
    font-size: 2.5rem;
    color: var(--gris-acero);
    margin-bottom: var(--spacing-md);
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--gris-concreto);
}

/* Footer */
.footer-ferreteria {
    background: var(--gradient-acero);
    color: white;
    padding: var(--spacing-2xl) var(--spacing-xl);
    margin-top: var(--spacing-2xl);
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: var(--spacing-md);
    color: var(--amarillo-seguridad);
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: var(--spacing-sm);
}

.footer-section a {
    color: white;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: var(--amarillo-seguridad);
}

/* Social Icons */
.social-ferreteria {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.social-ferreteria a {
    display: flex;
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.social-ferreteria a:hover {
    background: var(--naranja-herramienta);
    transform: translateY(-3px);
}

/* Badges */
.badge-oferta {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--rojo-alerta);
    color: white;
    font-size: 0.8rem;
    font-weight: bold;
    border-radius: 3px;
    animation: pulseOferta 2s infinite;
}

@keyframes pulseOferta {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

/* Accent elements */
.accent-ferreteria {
    color: var(--naranja-herramienta);
    font-weight: bold;
}

/* Utilidades */
.text-center { text-align: center; }
.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }

/* Animaciones adicionales */
@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-slide-up {
    animation: slideInUp 0.6s ease-out;
}