:root {
    --primary-color: #0F3460;
    --primary-color-light: #1A5AB0;
    --accent-color: #ff0000;
    --accent-color-dark: #a41010;
    --text-color: #333333;
    --text-color-light: #666666;
    --gray-light: #f5f5f5;
    --white: #ffffff;
    --gray-100: #f0f0f0;
    --gray-200: #e5e5e5;
    --gray-300: #d4d4d4;
    --gray-400: #a3a3a3;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 6px 12px rgba(0, 0, 0, 0.1);
    --radius: 0.5rem;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Open Sans', sans-serif;
    line-height: 1.7;
    color: var(--text-color);
    position: relative;
}

.header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: white;
    padding: 10px 40px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.bordao{
    color: white;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    line-height: 1.4;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

h4 {
    font-size: 1.25rem;
}

p {
    margin-bottom: 1rem;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius);
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.card {
    background-color: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 2rem;
    height: 100%;
}

/*botão*/

.btn {
    display: inline-block;
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
    font-family: 'Montserrat', sans-serif;
    border: none;
}

.btn-primary {
    background-color: var(--accent-color);
    color: var(--white);
}

.btn-primary:hover {
    background-color: var(--accent-color-dark);
}

.btn-outline {
    background-color: transparent;
    color: var(--white);
    border: 2px solid var(--white);
}

.btn-outline:hover {
    background-color: var(--white);
    color: var(--primary-color);
}

.btn-full {
    width: 100%;
}

/*section*/

section {
    padding: 5rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-divider {
    width: 80px;
    height: 4px;
    background-color: var(--accent-color);
    margin: 0 auto 1.5rem;
}

.header {
    background-color: var(--white);
    box-shadow: var(--shadow);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: var(--transition);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0rem 0;
}

.logo {
    height: 100%;
    width: auto;
}

.logo-container {
    height: 50px;
}

.logo-alfa {
    color: var(--primary-color-light);
}

.logo-ved {
    color: var(--white);
}

.logo-white {
    color: var(--accent-color);
}

.logo-orange {
    color: var(--accent-color);
}

.nav-desktop {
    display: none;
}

.nav-link {
    font-family: 'Montserrat', sans-serif;
    font-weight: 500;
    color: var(--text-color);
    margin-left: 1.5rem;
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--accent-color);
}

.menu-toggle {
    background: none;
    border: none;
    color: var(--text-color);
    font-size: 1.5rem;
    cursor: pointer;
}

.nav-mobile {
    display: none;
    flex-direction: column;
    padding: 1rem 0;
}

.nav-mobile.active {
    display: flex;
}

.nav-mobile .nav-link {
    margin: 0.5rem 0;
    padding: 0.5rem 0;
    margin-left: 0;
}

.hero {
    background-color: var(--primary-color);
    color: var(--white);
    padding-top: 8rem;
    padding-bottom: 4rem;
    position: relative;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, #0A2540 0%, #1A5AB0 100%);
    opacity: 0.9;
}

.hero-content {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
}

.hero-text {
    margin-bottom: 2rem;
}

.hero-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 2rem;
}

.hero-image img {
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
}

/*sobre*/

.sobre {
    background-color: var(--gray-light);
}

.sobre-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

.sobre-card {
    height: 100%;
}

.values-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.values-list li {
    display: flex;
    align-items: flex-start;
}

.values-list i {
    color: var(--accent-color);
    margin-right: 0.5rem;
    margin-top: 0.25rem;
}

.specialization-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.specialization-list li {
    display: flex;
    align-items: flex-start;
}

.list-number {
    background-color: var(--primary-color-light);
    color: var(--white);
    border-radius: 50%;
    width: 2.5rem;
    height: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1rem;
    flex-shrink: 0;
}

.benefits-card {
    margin-top: 2rem;
}

.benefits-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

.benefit-item {
    text-align: center;
    padding: 1rem;
}

.benefit-icon {
    width: 4rem;
    height: 4rem;
    background-color: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-size: 1.5rem;
}

/*produto*/

.produto-card {
    margin-bottom: 2rem;
}

.produto-content {
    display: flex;
    flex-direction: column;
}

.produto-image {
    margin-bottom: 1.5rem;
}

.produto-details h4 {
    margin-top: 1.5rem;
    margin-bottom: 0.5rem;
}

.features-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.features-list li {
    display: flex;
    align-items: flex-start;
}

.features-list i {
    color: var(--accent-color);
    margin-right: 0.5rem;
    margin-top: 0.25rem;
}

.produto-categories {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.category-item {
    background-color: var(--gray-light);
    border-radius: var(--radius);
    padding: 1rem;
    text-align: center;
}

.category-item h4 {
    margin-bottom: 0.5rem;
}

.category-item p {
    font-size: 0.9rem;
    color: var(--text-color-light);
    margin-bottom: 0;
}

.produto-galeria {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    margin-bottom: 2rem;
}

.galeria-item {
    background-color: var(--white);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.galeria-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.galeria-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: var(--radius) var(--radius) 0 0;
}

.detalhes-itens {
    padding: 1rem;
}

.detalhes-itens h4 {
    margin-bottom: 0.5rem;
}

.detalhes-itens p {
    font-size: 0.9rem;
    color: var(--text-color-light);
    margin-bottom: 0;
}

.produto-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.5rem;
}

.list-item {
    background-color: var(--gray-light);
    border-radius: var(--radius);
    padding: 0.75rem;
    display: flex;
    align-items: center;
}

.list-item i {
    font-size: 0.5rem;
    color: var(--accent-color);
    margin-right: 0.5rem;
}

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

.produtos-showcase {
    margin: 2rem 0;
}

.produto-catalogo {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 1rem;
}

.catalogo-item {
    display: flex;
    align-items: center;
    background-color: var(--gray-light);
    border-radius: var(--radius);
    padding: 1rem;
    transition: var(--transition);
    border-left: 4px solid var(--primary-color);
}

.catalogo-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow);
    background-color: var(--gray-100);
}

.catalogo-item.featured {
    background-color: var(--gray-100);
    border-left: 4px solid var(--primary-color);
}

.catalogo-icon {
    background-color: var(--primary-color);
    color: var(--white);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1rem;
    flex-shrink: 0;
}

.catalogo-item.featured .catalogo-icon {
    background-color: var(--primary-color);
}

.catalogo-text {
    font-weight: 500;
}

@media (min-width: 768px) {
    .produto-catalogo {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 992px) {
    .produto-catalogo {
        grid-template-columns: repeat(3, 1fr);
    }
}

/*materiais*/

.materiais {
    background-color: var(--gray-light);
}

.nome-materiais{
    color: var(--white);
    text-align: center;
}

.materiais-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.card-header {
    background-color: var(--primary-color-light);
    color: var(--white);
    padding: 1rem;
    border-radius: var(--radius) var(--radius) 0 0;
    margin: -2rem -2rem 1.5rem;
}

.materiais-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
    margin-top: 1rem;
}

.metal-list {
    grid-template-columns: 1fr;
}

.material-item {
    background-color: var(--gray-light);
    border-radius: var(--radius);
    padding: 0.5rem;
    text-align: center;
}

.note {
    color: var(--text-color-light);
    font-size: 0.9rem;
    text-align: center;
    margin-top: 1rem;
}

.cta {
    background-color: var(--primary-color);
    color: var(--white);
    text-align: center;
}

.cta h2 {
    color: var(--white);
}

.cta p {
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.cta .btn {
    margin-top: 1.5rem;
}

.mt-2 {
    margin-top: 1rem;
}

.bold {
    font-weight: 700;
}

/*contato*/

.contato-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.info-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.info-item {
    display: flex;
    align-items: flex-start;
}

.info-icon {
    background-color: var(--primary-color);
    color: var(--white);
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1rem;
    flex-shrink: 0;
}

.info-content h4 {
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.info-content p {
    color: var(--text-color-light);
    margin-bottom: 0;
}

.social-media {
    margin-top: 2rem;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-link {
    background-color: var(--primary-color);
    color: var(--white);
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.social-link:hover {
    background-color: var(--primary-color-light);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    font-family: inherit;
    background-color: var(--white);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(15, 52, 96, 0.1);
}

.form-group textarea {
    resize: none;
}

.footer {
    background-color: #2a2a2a;
    color: var(--white);
    padding: 4rem 0 2rem;
}

.footer-logo{
    display: flex;
    justify-content: left;
    width: 100%;
    height: 55%;
    margin-top: -15%;
    margin-bottom: auto;
}

.logo-footer {
    height: 350%;
    width: auto;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-sobre p {
    color: #b0b0b0;
    margin-bottom: 1rem;
}

.footer-contato {
    line-height: 2;
}

.footer-contato i {
    margin-right: 0.5rem;
    margin-bottom: auto;
}

.footer h4 {
    color: var(--white);
    margin-top: 10%;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 0.5rem;
    font-size: 1.25rem;
}

.footer h4::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 50px;
    height: 2px;
    background-color: var(--accent-color);
}

.footer ul {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer ul li a {
    color: #b0b0b0;
    transition: var(--transition);
}

.footer ul li a:hover {
    color: var(--white);
}

.footer-bottom {
    margin-top: 5%  ;
    border-top: 1px solid #444;
    padding-top: 1.5rem;
    text-align: center;
}

.footer-bottom p {
    color: #b0b0b0;
    font-size: 0.9rem;
    margin-bottom: 0;
}

.assinatura {
    text-align: center;
    font-size: 13px;
    color: #b0b0b0;
    margin: 20px 0;
    padding-bottom: 10%;
  }
  
  .assinatura a {
    color: #b0b0b0;
    text-decoration: none;
  }
  
  .assinatura a:hover {
    text-decoration: underline;
    color: #ffffff;
  }
  
/*whatsApp*/

.whatsapp-button {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    background-color: #25D366;
    color: var(--white);
    width: 3.5rem;
    height: 3.5rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    z-index: 999;
    font-size: 1.5rem;
    transition: var(--transition);
}

.whatsapp-button:hover {
    transform: scale(1.1);
    background-color: #20ba5a;
}

/*animation transition*/

@keyframes fadeIn {
    0% {
        opacity: 0;
    }
    100% {
        opacity: 1;
    }
}

@keyframes slideInUp {
    0% {
        transform: translateY(30px);
        opacity: 0;
    }
    100% {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes slideInDown {
    0% {
        transform: translateY(-30px);
        opacity: 0;
    }
    100% {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes slideInRight {
    0% {
        transform: translateX(30px);
        opacity: 0;
    }
    100% {
        transform: translateX(0);
        opacity: 1;
    }
}

.animate-item {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-item.active {
    opacity: 1;
    transform: translateY(0);
}

/*responsividade de telas*/

@media (min-width: 768px) {
    h1 {
        font-size: 3rem;
    }
    
    h2 {
        font-size: 2.25rem;
    }
    
    .nav-desktop {
        display: flex;
    }
    
    .menu-toggle {
        display: none;
    }
    
    .hero-content {
        flex-direction: row;
        align-items: center;
        gap: 4rem;
    }
    
    .hero-text {
        flex: 1;
        margin-bottom: 0;
    }
    
    .hero-image {
        flex: 1;
    }
    
    .hero-buttons {
        flex-direction: row;
    }
    
    .sobre-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .benefits-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .produto-content {
        flex-direction: row;
        gap: 2rem;
    }
    
    .produto-content.reverse {
        flex-direction: row-reverse;
    }
    
    .produto-image {
        flex: 1;
        margin-bottom: 0;
    }
    
    .produto-details {
        flex: 1;
    }
    
    .produto-galeria {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .produto-list {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .materiais-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .contato-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 2fr 1fr 1fr;
    }
}

@media (min-width: 992px) {
    .produto-galeria {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .produto-list {
        grid-template-columns: repeat(4, 1fr);
    }
}

.mt-1 {
    margin-top: 0.5rem;
}

.mb-1 {
    margin-bottom: 0.5rem;
}

.mt-2 {
    margin-top: 1rem;
}

.mb-2 {
    margin-bottom: 1rem;
}

.mt-3 {
    margin-top: 1.5rem;
}

.mb-3 {
    margin-bottom: 1.5rem;
}

.mt-4 {
    margin-top: 2rem;
}

.mb-4 {
    margin-bottom: 2rem;
}

/*logo*/

.hero-logo {
    margin-bottom: 1.5rem;
    text-align: center;
}

.company-logo {
    display: inline-block;
    font-size: 2.5rem;
    font-weight: 700;
    font-family: 'Montserrat', sans-serif;
}

/*carrossel*/

.hero-carrossel {
    flex: 1;
    overflow: hidden;
}

.carrossel-container {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.carrossel-track {
    display: flex;
    transition: transform 0.5s ease;
}

.carrossel-slide {
    min-width: 100%;
    opacity: 0;
    transition: opacity 0.5s ease;
    display: none;
}

.carrossel-slide.active {
    opacity: 1;
    display: block;
}

.carrossel-slide img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: var(--radius);
}

.carrossel-nav {
    position: absolute;
    bottom: 20px;
    left: 0;
    right: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
}

.carrossel-prev,
.carrossel-next {
    background-color: rgba(255, 255, 255, 0.7);
    color: var(--primary-color);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}

.carrossel-prev:hover,
.carrossel-next:hover {
    background-color: var(--white);
}

.carrossel-dots {
    display: flex;
    gap: 8px;
}

.carrossel-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.5);
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.carrossel-dot.active {
    background-color: var(--accent-color);
    transform: scale(1.2);
}

@media (min-width: 768px) {
    .hero-logo {
        text-align: left;
    }
    
    .carrossel-slide img {
        height: 400px;
    }
}

.nav-menu ul {
    list-style: none;
    display: flex;
    gap: 20px;
    margin: 0;
    padding: 0;
}
  
.nav-menu a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
}