/* BOLTAGEMALTERNATIVA - Estilos CSS */

/* Reset e configurações base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #1951d8;
    --secondary-color: #2d3748;
    --accent-color: #3182ce;
    --gold-color: #fecc09;
    --text-dark: #2d3748;
    --text-light: #718096;
    --white: #ffffff;
    --light-gray: #f7fafc;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    overflow-x: hidden;
}

/* Animações base */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

@keyframes slideInDown {
    from {
        transform: translateY(-100%);
    }
    to {
        transform: translateY(0);
    }
}

/* Header */
.topbar {
    background: var(--primary-color);
    color: var(--white);
    padding: 8px 0;
    font-size: 14px;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    animation: slideInDown 0.8s ease-out;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.topbar-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
    position: relative;
}

.logo {
    font-size: 24px;
    font-weight: bold;
    color: var(--gold-color);
    text-decoration: none;
    transition: all 0.3s ease;
}

.logo:hover {
    color: var(--white);
    transform: scale(1.05);
}

.navigation {
    display: flex;
    list-style: none;
    gap: 30px;
}

.navigation a {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.navigation a:hover {
    color: var(--gold-color);
}

.navigation a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background: var(--gold-color);
    transition: width 0.3s ease;
}

.navigation a:hover::after {
    width: 100%;
}

.navigation a.active::after {
    width: 100%;
}

.navigation a.active {
    color: var(--gold-color);
}

/* Oculta o header inicialmente */
.topbar.hidden {
    transform: translateY(-100%);
    transition: transform 0.3s ease-in-out;
}

/* Mostra o header quando o usuário faz scroll */
.topbar.visible {
    transform: translateY(0);
    transition: transform 0.3s ease-in-out;
}

/* Menu mobile */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--white);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 5px;
}

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }
    
    .navigation {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--primary-color);
        flex-direction: column;
        padding: 20px;
        box-shadow: var(--shadow-lg);
        z-index: 999;
    }
    
    .navigation.active {
        display: flex;
    }
    
    .navigation a {
        padding: 10px 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        width: 100%;
        text-align: center;
    }
    
    .navigation a:last-child {
        border-bottom: none;
    }
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    color: var(--white);
    font-size: 18px;
    transition: all 0.3s ease;
}

.social-links a:hover {
    color: var(--gold-color);
    transform: translateY(-2px);
}

/* Container principal */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Seções */
.section {
    padding: 80px 0;
    position: relative;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: var(--primary-color);
    position: relative;
    animation: fadeInUp 1s ease-out;
}

.section-title::after {
    content: '';
    position: absolute;
    width: 80px;
    height: 3px;
    background: var(--gold-color);
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
}

.section-subtitle {
    text-align: center;
    color: var(--text-light);
    font-size: 1.2rem;
    margin-bottom: 50px;
    animation: fadeInUp 1s ease-out 0.2s both;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--white);
    padding: 120px 0 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="white" opacity="0.1"/><circle cx="75" cy="75" r="1" fill="white" opacity="0.1"/><circle cx="50" cy="10" r="1" fill="white" opacity="0.1"/><circle cx="10" cy="60" r="1" fill="white" opacity="0.1"/><circle cx="90" cy="40" r="1" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    animation: pulse 4s ease-in-out infinite;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    animation: fadeInUp 1s ease-out;
}

.hero p {
    font-size: 1.3rem;
    margin-bottom: 30px;
    opacity: 0.9;
    animation: fadeInUp 1s ease-out 0.2s both;
}

.btn {
    display: inline-block;
    padding: 15px 30px;
    background: var(--gold-color);
    color: var(--white);
    text-decoration: none;
    border-radius: 5px;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    animation: fadeInUp 1s ease-out 0.4s both;
}

.btn:hover {
    background: #b7791f;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

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

/* Grid de serviços */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.service-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    border-top: 4px solid var(--accent-color);
    animation: fadeInUp 1s ease-out;
}

.service-card:nth-child(2) { animation-delay: 0.1s; }
.service-card:nth-child(3) { animation-delay: 0.2s; }
.service-card:nth-child(4) { animation-delay: 0.3s; }
.service-card:nth-child(5) { animation-delay: 0.4s; }

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.service-card:hover .service-icon {
    transform: scale(1.1);
    color: var(--gold-color);
}

.service-icon {
    font-size: 3rem;
    color: var(--accent-color);
    margin-bottom: 20px;
    transition: all 0.3s ease;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.service-card p {
    color: var(--text-light);
    line-height: 1.6;
}

.service-card .btn {
    background: var(--accent-color);
    border: 2px solid var(--accent-color);
    transition: all 0.3s ease;
}

.service-card .btn:hover {
    background: transparent;
    color: var(--accent-color);
    transform: translateY(-2px);
}

/* Grid de projetos */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.project-card {
    background: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    animation: fadeInUp 1s ease-out;
}

.project-card:nth-child(2) { animation-delay: 0.1s; }
.project-card:nth-child(3) { animation-delay: 0.2s; }

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.project-image {
    height: 500px;
    background: linear-gradient(45deg, var(--accent-color), var(--primary-color));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 3rem;
}

.project-content {
    padding: 25px;
}

.project-content h3 {
    color: var(--primary-color);
    margin-bottom: 10px;
}

.project-content p {
    color: var(--text-light);
    margin-bottom: 15px;
}

.project-category {
    display: inline-block;
    background: var(--accent-color);
    color: var(--white);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
}

/* Formulário de contacto */
.contact-form {
    max-width: 600px;
    margin: 0 auto;
    background: var(--white);
    padding: 40px;
    border-radius: 10px;
    box-shadow: var(--shadow);
    animation: fadeInUp 1s ease-out;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--primary-color);
    font-weight: 600;
}

.form-control {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e2e8f0;
    border-radius: 5px;
    font-size: 16px;
    transition: all 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(49, 130, 206, 0.1);
}

textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

/* Footer */
.footer {
    background: var(--primary-color);
    color: var(--white);
    padding: 50px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 30px;
}

.footer-section h3 {
    color: var(--gold-color);
    margin-bottom: 10px;
    font-size: 1.3rem;
}

.footer-section p,
.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    line-height: 1.8;
}

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

.footer-section img {
    border-radius: 5px;
}

.footer-section img:hover {
    box-shadow: 0 4px 8px rgba(255, 255, 255, 0.2);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 20px;
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
}

.footer-bottom p {
    margin: 0;
}

@media (max-width: 768px) {
    .footer-bottom > div {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }
    
    .footer-bottom p {
        order: 2;
    }
    
    .footer-bottom > div > div {
        order: 1;
    }
}

/* Mapa responsivo */
iframe[src*="google.com/maps"] {
    border-radius: 15px;
}

@media (max-width: 768px) {
    iframe[src*="google.com/maps"] {
        height: 300px !important;
    }
}

@media (max-width: 480px) {
    iframe[src*="google.com/maps"] {
        height: 250px !important;
    }
}

/* Responsividade */
@media (max-width: 1200px) {
    .container {
        padding: 0 15px;
    }
    
    .topbar-content {
        padding: 0 15px;
    }
}

@media (max-width: 992px) {
    .hero h1 {
        font-size: 3rem;
    }
    
    .hero p {
        font-size: 1.2rem;
    }
    
    .services-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 25px;
    }
    
    .projects-grid {
        grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
        gap: 25px;
    }
}

@media (max-width: 768px) {
    .topbar {
        padding: 10px 0;
    }
    
    .topbar-content {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        padding: 15px 20px;
        flex-wrap: wrap;
    }
    
    .logo img {
        height: 40px !important;
    }
    
    .navigation {
        gap: 20px;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .navigation a {
        font-size: 14px;
    }
    
    .social-links {
        gap: 10px;
    }
    
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero h1 {
        font-size: 2.5rem;
        margin-bottom: 15px;
    }
    
    .hero p {
        font-size: 1.1rem;
        margin-bottom: 25px;
    }
    
    .hero-buttons {
        display: flex;
        flex-direction: column;
        gap: 15px;
        align-items: center;
    }
    
    .btn {
        padding: 12px 25px;
        font-size: 14px;
        width: 100%;
        max-width: 250px;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .section-title {
        font-size: 2rem;
        margin-bottom: 15px;
    }
    
    .section-subtitle {
        font-size: 1.1rem;
        margin-bottom: 40px;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        margin-top: 40px;
    }
    
    .service-card {
        padding: 30px 20px;
    }
    
    .service-icon {
        font-size: 2.5rem;
        margin-bottom: 15px;
    }
    
    .service-card h3 {
        font-size: 1.3rem;
        margin-bottom: 12px;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        margin-top: 40px;
    }
    
    .project-image {
        height: 180px;
    }
    
    .project-content {
        padding: 20px;
    }
    
    .project-content h3 {
        font-size: 1.3rem;
        margin-bottom: 8px;
    }
    
    .contact-form {
        padding: 30px 20px;
    }
    
    .footer-content {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 30px;
    }
    
    .footer-section {
        text-align: center;
    }
}

@media (max-width: 576px) {
    .topbar {
        padding: 8px 0;
    }
    
    .topbar-content {
        padding: 10px 15px;
        gap: 10px;
    }
    
    .logo img {
        height: 35px !important;
    }
    
    .navigation {
        gap: 15px;
    }
    
    .navigation a {
        font-size: 13px;
        padding: 5px 0;
    }
    
    .social-links a {
        font-size: 16px;
    }
    
    .hero {
        padding: 80px 0 50px;
    }
    
    .hero h1 {
        font-size: 2rem;
        line-height: 1.2;
    }
    
    .hero p {
        font-size: 1rem;
        margin-bottom: 20px;
    }
    
    .btn {
        padding: 10px 20px;
        font-size: 13px;
    }
    
    .section {
        padding: 50px 0;
    }
    
    .section-title {
        font-size: 1.8rem;
        margin-bottom: 12px;
    }
    
    .section-subtitle {
        font-size: 1rem;
        margin-bottom: 30px;
    }
    
    .service-card {
        padding: 25px 15px;
    }
    
    .service-icon {
        font-size: 2rem;
        margin-bottom: 12px;
    }
    
    .service-card h3 {
        font-size: 1.2rem;
        margin-bottom: 10px;
    }
    
    .service-card p {
        font-size: 0.95rem;
        line-height: 1.5;
    }
    
    .service-card .btn {
        padding: 8px 16px;
        font-size: 12px;
    }
    
    .project-image {
        height: 150px;
    }
    
    .project-content {
        padding: 15px;
    }
    
    .project-content h3 {
        font-size: 1.2rem;
        margin-bottom: 6px;
    }
    
    .project-content p {
        font-size: 0.95rem;
        margin-bottom: 12px;
    }
    
    .project-category {
        font-size: 0.8rem;
        padding: 4px 12px;
    }
    
    .contact-form {
        padding: 25px 15px;
    }
    
    .form-control {
        padding: 10px 12px;
        font-size: 14px;
    }
    
    .form-group {
        margin-bottom: 20px;
    }
    
    .footer {
        padding: 40px 0 15px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 25px;
        text-align: center;
    }
    
    .footer-section h3 {
        font-size: 1.1rem;
        margin-bottom: 15px;
    }
    
    .footer-section p,
    .footer-section a {
        font-size: 0.9rem;
        line-height: 1.6;
    }
    
    .footer-bottom {
        padding-top: 15px;
        font-size: 0.85rem;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 70px 0 40px;
    }
    
    .hero h1 {
        font-size: 1.8rem;
    }
    
    .hero p {
        font-size: 0.95rem;
    }
    
    .section {
        padding: 40px 0;
    }
    
    .section-title {
        font-size: 1.6rem;
    }
    
    .section-subtitle {
        font-size: 0.95rem;
    }
    
    .service-card {
        padding: 20px 12px;
    }
    
    .project-content {
        padding: 12px;
    }
    
    .contact-form {
        padding: 20px 12px;
    }
    
    .container {
        padding: 0 10px;
    }
}

@media (max-width: 360px) {
    .hero h1 {
        font-size: 1.6rem;
    }
    
    .section-title {
        font-size: 1.4rem;
    }
    
    .service-card {
        padding: 18px 10px;
    }
    
    .service-icon {
        font-size: 1.8rem;
    }
    
    .service-card h3 {
        font-size: 1.1rem;
    }
    
    .contact-form {
        padding: 18px 10px;
    }
}

/* Melhorias para dispositivos em landscape */
@media (max-height: 500px) and (orientation: landscape) {
    .hero {
        padding: 60px 0 30px;
    }
    
    .hero h1 {
        font-size: 2rem;
        margin-bottom: 10px;
    }
    
    .hero p {
        font-size: 1rem;
        margin-bottom: 15px;
    }
    
    .section {
        padding: 40px 0;
    }
}

/* Melhorias para tablets em portrait */
@media (min-width: 768px) and (max-width: 1024px) and (orientation: portrait) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Melhorias para tablets em landscape */
@media (min-width: 1024px) and (max-width: 1366px) and (orientation: landscape) {
    .services-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

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

/* Loading animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: var(--white);
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}