/* Custom Variables */
:root {
    --primary-color: #f4b72b;
    --secondary-color: #2c3e50;
    --text-color: #333;
    --light-bg: #f8f9fa;
    --medium-gray: #444444;
    --light-gray: #e7e7e7;
    --yellow: #f4b72b;
}

/* General Styles */
html {
    scroll-behavior: smooth;
}

body {
    overflow-x: hidden;
    color: var(--text-color);
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    transition: opacity 0.1s ease-in-out;
}

/* Header Styles */
#main-header {
    background-color: transparent;
    position: fixed;
    width: 100%;
    z-index: 1000;
    transition: all 0.3s ease;
    padding: 1rem 0;
}

#main-header.scrolled {
    background-color: var(--medium-gray) !important;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 0.25rem 0;
}

.logo {
    display: flex;
    align-items: center;
}

.logo img {
    transition: all 0.3s ease;
    max-height: 100px;
    width: auto;
}

#main-header.scrolled .logo img {
    max-height: 60px;
}

.nav-link {
    color: white !important;
    text-decoration: none;
    transition: color 0.3s ease;
    font-weight: 500;
    padding: 0.5rem 1rem;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-link:hover::after {
    width: 100%;
}

.nav-link:hover {
    color: var(--primary-color) !important;
}

/* Language Selector */
.language-selector {
    position: relative;
    margin-left: 1rem;
}

.language-selector select {
    background-color: transparent !important;
    color: white !important;
    border: 2px solid white !important;
    padding: 0.5rem 2.5rem 0.5rem 1rem;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 500;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='white'%3e%3cpath d='M7 10l5 5 5-5z'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 0.5rem center;
    background-size: 1.5rem;
    transition: all 0.3s ease;
}

.language-selector select:hover {
    border-color: var(--primary-color) !important;
    color: var(--primary-color) !important;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23f4b72b'%3e%3cpath d='M7 10l5 5 5-5z'/%3e%3c/svg%3e");
}

.language-selector select:focus {
    outline: none;
    border-color: var(--yellow);
    background-color: rgba(255, 255, 255, 0.1);
}

/* Hero Section */
#hero {
    background-color: var(--medium-gray);
    position: relative;
}

#hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(0,0,0,0.7), rgba(0,0,0,0.3));
    z-index: 1;
}

/* Product Cards */
.product-card {
    background: white;
    padding: 2rem;
    border-radius: 0.5rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    min-height: 200px;
    border: 1px solid var(--light-gray);
    opacity: 0;
    transform: translateY(30px);
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.2);
}

.product-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.product-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 1;
}

.product-card:hover .product-image {
    opacity: 1;
}

/* Carousel Styles */
.carousel {
    position: relative;
    overflow: hidden;
    border-radius: 0.5rem;
    background: var(--light-gray);
    min-height: 400px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.carousel-inner {
    display: flex;
    transition: transform 0.5s ease;
    height: 100%;
    width: 100%;
}

.carousel-item {
    min-width: 100%;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--light-gray);
    flex-shrink: 0;
    position: relative;
}

.carousel-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    top: 0;
    left: 0;
}

.carousel-control {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.5);
    color: white;
    border: none;
    padding: 1rem;
    cursor: pointer;
    z-index: 10;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background-color 0.3s ease;
}

.carousel-control:hover {
    background: rgba(0, 0, 0, 0.8);
}

.carousel-control.prev {
    left: 1rem;
}

.carousel-control.next {
    right: 1rem;
}

/* Brands Carousel */
.brands-carousel {
    display: flex;
    overflow: hidden;
    position: relative;
    padding: 2rem 0;
    will-change: transform;
    width: 100%;
}

.brand-item {
    flex: 0 0 auto;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    min-width: 150px;
}

.brand-item img {
    max-width: 150px;
    height: auto;
    filter: grayscale(100%);
    opacity: 0.6;
    transition: all 0.3s ease;
}

.brand-item:hover img {
    filter: grayscale(0%);
    opacity: 1;
    transform: scale(1.05);
}

@keyframes scroll {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

.brands-carousel {
    animation: scroll 20s linear infinite;
}

/* Solutions Section */
.solutions-container {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transform: translateY(30px) scale(0.98);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0;
    position: relative;
    overflow: hidden;
    width: 85%;
    margin: 0 auto;
}

.solutions-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, rgba(244, 183, 43, 0.1), rgba(244, 183, 43, 0));
    opacity: 0;
    transition: opacity 0.5s ease;
}

.solutions-container:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 20px 30px rgba(0, 0, 0, 0.15);
}

.solutions-container:hover::before {
    opacity: 1;
}

.solutions-container.visible {
    opacity: 1;
    transform: translateY(0) scale(1);
}

.solutions-content {
    max-width: 100%;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.solutions-content h3 {
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
    transition: transform 0.3s ease;
    font-size: 1.75rem;
}

.solutions-container:hover .solutions-content h3 {
    transform: translateY(-2px);
}

.solutions-content p {
    color: var(--text-color);
    line-height: 1.8;
    transition: transform 0.3s ease;
    font-size: 1rem;
}

.solutions-container:hover .solutions-content p {
    transform: translateY(-2px);
}

/* Animación para los iconos en la sección de soluciones */
.solutions-container .text-4xl {
    transition: all 0.3s ease;
}

.solutions-container:hover .text-4xl {
    transform: scale(1.1);
}

/* Form Container */
.form-container {
    background: white !important;
    padding: 2rem !important;
    border-radius: 1rem !important;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2) !important;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative !important;
    overflow: hidden !important;
    border: 1px solid #e2e8f0 !important;
    opacity: 0;
}

.form-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, #f4b72b, #e67e22);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.form-container:hover::before {
    transform: scaleX(1);
}

.form-container:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

.form-container.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Form Styles */
.form-group {
    position: relative;
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid #e2e8f0 !important;
    border-radius: 0.5rem;
    background: white !important;
    color: #2d3748 !important;
    transition: all 0.3s ease;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #a0aec0;
}

.form-group label {
    position: absolute;
    left: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    background: white;
    padding: 0 0.5rem;
    color: #718096;
    transition: all 0.3s ease;
    pointer-events: none;
}

.form-group textarea + label {
    top: 0.75rem;
    transform: none;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: #f4b72b;
    outline: none;
    background: white;
    box-shadow: 0 0 0 3px rgba(244, 183, 43, 0.2);
}

.form-group input:focus + label,
.form-group textarea:focus + label,
.form-group input:not(:placeholder-shown) + label,
.form-group textarea:not(:placeholder-shown) + label {
    top: -0.5rem;
    left: 0.5rem;
    font-size: 0.875rem;
    color: #f4b72b;
    background: white;
}

.submit-button {
    width: 100%;
    padding: 1rem;
    background: #f4b72b !important;
    color: #2d3748 !important;
    border: none;
    border-radius: 0.5rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.submit-button:hover {
    background: #e0a823 !important;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(244, 183, 43, 0.3);
}

/* Footer Styles */
footer {
    background-color: var(--medium-gray) !important;
    color: white;
    padding: 4rem 0 2rem;
    position: relative;
    overflow: hidden;
}

.footer-section {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.footer-section.visible {
    opacity: 1;
    transform: translateY(0);
}

.footer-section h3 {
    color: white;
    margin-bottom: 1rem;
}

.footer-section p {
    color: #e2e8f0;
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: #e2e8f0;
    transition: color 0.3s ease;
}

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

.map-container {
    height: 200px;
    border-radius: 0.5rem;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.map-container:hover {
    transform: scale(1.02);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.map-container iframe {
    width: 100%;
    height: 100%;
    border: none;
}

/* Scroll Animations */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* KPI Section */
#kpi {
    background-color: white;
    padding: 4rem 0;
}

.kpi-item {
    background: white;
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(20px);
}

.kpi-item.visible {
    opacity: 1;
    transform: translateY(0);
}

.kpi-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.1);
}

.kpi-value {
    font-size: 3.5rem;
    font-weight: bold;
    background: linear-gradient(45deg, #f4b72b, #e67e22);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 1rem;
    line-height: 1;
    display: block;
}

.kpi-item p {
    font-size: 1.25rem;
    color: var(--secondary-color);
    font-weight: 500;
}

/* Form States */
.form-container.loading {
    position: relative;
    pointer-events: none;
}

.form-container.loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
}

.form-container.loading::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 40px;
    height: 40px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    z-index: 11;
}

.form-container.success {
    border-color: #4CAF50;
}

.form-container.error {
    border-color: #f44336;
}

@keyframes spin {
    0% { transform: translate(-50%, -50%) rotate(0deg); }
    100% { transform: translate(-50%, -50%) rotate(360deg); }
}

/* Mobile Menu */
#mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100vh;
    background: var(--medium-gray) !important;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1000;
    padding-top: 5rem;
    box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
    opacity: 0;
    visibility: hidden;
}

#mobile-menu.show {
    right: 0;
    opacity: 1;
    visibility: visible;
}

#close-menu {
    position: absolute;
    top: 1rem;
    right: 1rem;
    padding: 0.5rem;
    cursor: pointer;
    transition: transform 0.3s ease;
}

#close-menu:hover {
    transform: rotate(90deg);
}

#mobile-menu a {
    display: block;
    color: white !important;
    padding: 1rem 2rem;
    font-size: 1.2rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateX(-20px);
}

#mobile-menu.show a {
    opacity: 1;
    transform: translateX(0);
}

#mobile-menu a:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--primary-color) !important;
    padding-left: 2.5rem;
}

#mobile-menu .language-selector {
    padding: 1rem 2rem;
    opacity: 0;
    transform: translateX(-20px);
    transition: all 0.3s ease;
}

#mobile-menu.show .language-selector {
    opacity: 1;
    transform: translateX(0);
}

/* Overlay para el menú móvil */
.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
}

.mobile-menu-overlay.show {
    opacity: 1;
    visibility: visible;
}

/* Toast Notification */
.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: white;
    padding: 1rem;
    border-radius: 0.5rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    display: flex;
    align-items: center;
    transform: translateX(100%);
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.35);
    z-index: 9999;
    overflow: hidden;
}

.toast.active {
    transform: translateX(0);
    opacity: 1;
}

.toast-content {
    display: flex;
    align-items: center;
    position: relative;
    z-index: 1;
}

.toast-content i {
    font-size: 1.5rem;
    color: #4CAF50;
    margin-right: 1rem;
}

.toast .message {
    display: flex;
    flex-direction: column;
}

.toast .text {
    font-size: 1rem;
    font-weight: 500;
    color: #333;
}

.toast .text.text-1 {
    font-weight: 600;
    color: #333;
}

.toast .text.text-2 {
    font-size: 0.875rem;
    color: #666;
}

.toast .close {
    font-size: 1.25rem;
    color: #666;
    cursor: pointer;
    margin-left: 1rem;
    transition: color 0.3s ease;
    position: relative;
    z-index: 1;
}

.toast .close:hover {
    color: #333;
}

.toast .progress {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 3px;
    width: 100%;
    background: #ddd;
    overflow: hidden;
}

.toast .progress:before {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    height: 100%;
    width: 100%;
    background-color: #4CAF50;
}

.toast.active .progress:before {
    animation: progress 5s linear forwards;
}

@keyframes progress {
    100% {
        right: 100%;
    }
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .solutions-container {
        width: 95%;
        padding: 1.5rem;
    }
    
    .solutions-content h3 {
        font-size: 1.5rem;
    }
    
    .solutions-content p {
        font-size: 0.95rem;
    }

    .form-container {
        padding: 1.5rem;
    }

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

    .map-container {
        margin: 0 auto;
        max-width: 100%;
    }

    .brand-item {
        padding: 0 1rem;
    }

    .brand-item img {
        max-width: 100px;
    }
}

@media (min-width: 768px) and (max-width: 1024px) {
    .container {
        padding-left: 2rem;
        padding-right: 2rem;
    }
    
    .nav-link {
        padding: 0.5rem 0.75rem;
    }
    
    .language-selector select {
        padding: 0.5rem 2rem 0.5rem 0.75rem;
    }
}

/* Animation Classes */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--light-gray);
}

::-webkit-scrollbar-thumb {
    background: var(--medium-gray);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--yellow);
}

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

.fade-in-up {
    opacity: 0;
    animation: fadeInUp 0.6s ease-out forwards;
}

/* Language Selector Transition */
.language-selector select {
    transition: all 0.3s ease;
}

.language-selector select.transitioning {
    opacity: 0.5;
    transform: scale(0.95);
}

/* Smooth language transition */
[data-transitioning="true"] {
    transition: opacity 0.3s ease, transform 0.3s ease;
    opacity: 0;
    transform: translateY(-10px);
}

[data-transitioning="false"] {
    transition: opacity 0.3s ease, transform 0.3s ease;
    opacity: 1;
    transform: translateY(0);
}

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

/* Brands Carousel */
#marcas .brands-carousel {
    display: flex !important;
    overflow: hidden !important;
    position: relative !important;
    padding: 2rem 0 !important;
    will-change: transform !important;
    width: 100% !important;
    animation: scroll 10s linear infinite !important;
}

#marcas .brand-item {
    flex: 0 0 auto !important;
    padding: 0 2rem !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    transition: all 0.3s ease !important;
    min-width: 150px !important;
}

@keyframes scroll {
    0% {
        transform: translateX(0) !important;
    }
    100% {
        transform: translateX(-50%) !important;
    }
}

/* Animaciones de entrada */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}

.fade-in-left {
    opacity: 0;
    transform: translateX(-30px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.fade-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.fade-in-right {
    opacity: 0;
    transform: translateX(30px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.fade-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

.fade-in {
    opacity: 0;
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.fade-in.visible {
    opacity: 1;
}

/* Ajustes para las secciones existentes */
#nosotros .grid > div:first-child {
    opacity: 0;
    transform: translateX(-30px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

#nosotros .grid > div:first-child.visible {
    opacity: 1;
    transform: translateX(0);
}

#nosotros .carousel-container {
    opacity: 0;
    transform: translateX(30px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

#nosotros .carousel-container.visible {
    opacity: 1;
    transform: translateX(0);
}

.product-card {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.product-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.solutions-container {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.solutions-container.visible {
    opacity: 1;
    transform: translateY(0);
}

.form-container {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.form-container.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Brand Cards */
.brand-card {
    background: white;
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    text-align: center;
    opacity: 0;
    transform: translateY(30px);
}

.brand-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.1);
}

.brand-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.brand-logo {
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    padding: 1rem;
}

.brand-logo img {
    max-height: 100%;
    width: auto;
    object-fit: contain;
    transition: all 0.3s ease;
}

.brand-card:hover .brand-logo img {
    transform: scale(1.05);
}

.brand-card h3 {
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
}

.brand-card p {
    color: var(--text-color);
    font-size: 0.95rem;
    line-height: 1.5;
}

/* Eliminar estilos antiguos del carrusel */
.brands-carousel,
.brand-item {
    display: none;
} 

/* Ajuste especial para el logo de PoPlastics SRL */
.poplastics-logo {
    max-width: 257px !important; /* 240px + 7% */
    max-height: 171px !important; /* 160px + 7% */
    width: auto !important;
    height: auto !important;
    object-fit: contain !important;
    display: block;
    margin: 0 auto;
}