:root {
    --color-primary-dark: #3B8E94; /* Dark Cyan */
    --color-secondary-dark: #156A6B; /* Caribbean Current */
    --color-text-dark: #002A30; /* Gunmetal (Texto principal/Fundo Escuro) */
    --color-text-secondary: #7B797A; /* Grey (Texto secundário/parágrafos) */
    --color-accent-light: #99CCC6; /* Tiffany Blue (Backgrounds claros de destaque) */
    --color-cta: #CF007C; /* Magenta Dye (Chamada para Ação) */
    --color-tertiary: #CF7900; /* Ochre (Cor de apoio) */
    --color-background-light: #EEEEEE; /* Anti-flash White (Fundo de Cards/Seções) */

    /* Gradiente Principal (Ciano Forte para Ciano-Escuro) */
    --gradient-primary: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-secondary-dark) 100%);
    /* Gradiente CTA (Ciano para Magenta) */
    --gradient-cta: linear-gradient(135deg, var(--color-secondary-dark) 0%, var(--color-cta) 100%);

    /* Estilos Gerais */
    --border-radius-main: 20px;
    --border-radius-small: 10px;
}

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

body {
    font-family: 'Poppins', sans-serif; /* Poppins aplicado */
    line-height: 1.6;
    color: var(--color-text-dark); /* Gunmetal */
    overflow-x: hidden;
}

.error {
    border: 1px solid var(--color-cta);
}

.error-message {
    color: var(--color-cta);
    font-size: 0.8em;
    margin-top: 5px;
}

.success {
    color: var(--color-primary-dark);
    font-weight: bold;
}

/* Header */
.header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    transition: all 0.3s ease;
}

/* Sticky Header Enhanced Styles */
.header.sticky {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(15px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    padding: 0.5rem 0;
}

.header.sticky .nav {
    padding: 0.75rem 2rem;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
}

.logo-img {
    height: 35px;
    width: auto;
    display: block;
    transition: all 0.3s ease;
}

.header.sticky .logo-img {
    height: 30px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: var(--color-text-dark);
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: var(--color-primary-dark); /* Dark Cyan on hover */
}

.cta-button {
    background: var(--color-text-dark); /* Gunmetal dark background */
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius-main); /* Arredondado */
    text-decoration: none;
    font-weight: 600;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(207, 0, 124, 0.3); /* Magenta shadows */
}

.mobile-menu {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.mobile-menu span {
    width: 25px;
    height: 3px;
    background: var(--color-text-dark);
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    background: url('../img/images/banner.jpeg') center center / cover no-repeat;
    background-color: var(--color-secondary-dark);
    background-blend-mode: multiply;
    color: white;
    padding: 120px 0 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
    min-height: 500px;
}

.hero::before {
    content: none;
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
    opacity: 0;
    animation: fadeInUp 1s ease forwards;
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    animation: fadeInUp 1s ease 0.3s forwards;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    opacity: 0;
    animation: fadeInUp 1s ease 0.6s forwards;
}

.btn-primary, .btn-secondary {
    padding: 1rem 2rem;
    border-radius: var(--border-radius-main);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
}

.btn-primary {
    background: var(--color-cta); /* Magenta Dye */
    color: white;
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(207, 0, 124, 0.4);
    background: var(--gradient-cta);
}

.btn-secondary:hover {
    background: white;
    color: var(--color-text-dark);
    border-color: white;
}

/* Services Section */
.services {
    padding: 80px 0;
    background: var(--color-background-light); /* Anti-flash White */
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--color-text-dark);
}

.section-subtitle {
    text-align: center;
    max-width: 800px;
    margin: 3rem auto 3rem;
    color: var(--color-text-secondary);
    font-size: 1.1rem;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

/* Cartões de Serviço (Estilo Escuro) */
.service-card {
    background: var(--color-text-dark); /* Gunmetal dark background */
    color: var(--color-background-light); /* Light text on dark background */
    padding: 2rem;
    border-radius: var(--border-radius-main); /* Arredondado */
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--color-secondary-dark);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3); /* Sombra mais forte */
}

.service-icon {
    width: 60px;
    height: 60px;
    background: var(--color-secondary-dark); /* Caribbean Current - Padrão */
    border-radius: var(--border-radius-small);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: white;
    transition: background-color 0.3s ease, transform 0.3s ease;
}

/* Cores dos Ícones Específicas */
.service-card-1 .service-icon {
    background: var(--color-secondary-dark); /* Caribbean Current */
}

.service-card-2 .service-icon {
    background: var(--color-tertiary); /* Ochre */
}

.service-card-3 .service-icon {
    background: var(--color-cta); /* Magenta Dye */
}

.service-logo {
    width: 35px;
    height: 35px;
    /* Inverte a cor do SVG para branco/claro no fundo colorido */
    filter: brightness(0) invert(1);
}

.client-logo {
    width: 150px;
    height: 100px;;
    object-fit: contain;
    margin: 0 auto 1.5rem;
    border-radius: 8px;
    background: var(--color-background-light);
    padding: 10px;
    border: 1px solid var(--color-accent-light);
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: white; /* Título claro */
}

.service-card p {
    color: var(--color-accent-light); /* Parágrafo Tiffany Blue */
    line-height: 1.6;
}

.service-list {
    text-align: left;
    margin-top: 1rem;
    color: var(--color-accent-light);
}

/* Why Choose Us */
.why-choose {
    padding: 80px 0;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

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

.benefit-icon {
    width: 50px;
    height: 50px;
    background: var(--color-primary-dark); /* Dark Cyan */
    border-radius: var(--border-radius-small);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    color: white;
    font-size: 1.5rem;
}

.benefit-item h4 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: var(--color-text-dark);
}

.benefit-item p {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}

/* Portfolio */
.portfolio {
    padding: 80px 0;
    background: var(--color-background-light); /* Anti-flash White */
}


.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.portfolio-card {
    background: white;
    border-radius: var(--border-radius-main); /* Arredondado */
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--color-accent-light);
    .portfolio-link-image {
        text-decoration: none;
        display: block;
    }
}

.portfolio-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.portfolio-image {
    width: 100%;
    height: 200px;
    background: var(--color-primary-dark);
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    border-radius: 8px 8px 0 0;
    .partner-logo {
        max-width: 100%;
        object-fit: cover;
        object-position: center;
        width: auto;
        height: auto;
    }
}

.portfolio-content {
    padding: 2rem;
}

.portfolio-title {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--color-text-dark);
    text-decoration: none;
    font-weight: bold;
}

.portfolio-content p {
    color: var(--color-text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.portfolio-tech {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.tech-tag {
    background: var(--color-tertiary); /* Ochre para tags */
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: var(--border-radius-small);
    font-size: 0.8rem;
    font-weight: 500;
}

.portfolio-cta {
    text-align: center;
    margin-top: 2rem;
}

.portfolio-cta .btn-primary {
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    background: var(--gradient-cta); /* Caribbean Current to Magenta Dye */
    color: white;
    display: inline-block;
    transition: all 0.3s ease;
}

/* Testimonials Section */
.testimonials {
    background: white;
}

.testimonials .service-card {
    background: white; /* Cartões de depoimento brancos */
    border: 1px solid var(--color-accent-light);
    color: var(--color-text-dark);
}

.testimonials .service-card blockquote {
    font-style: italic;
    color: var(--color-text-dark);
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    line-height: 1.6;
}

.testimonials .client-info {
    text-align: center;
}

.testimonials .client-name {
    color: var(--color-text-dark);
    margin-bottom: 0.25rem;
}

.testimonials .client-title {
    color: var(--color-cta); /* Magenta Dye */
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.testimonials .client-location {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}

/* About Section */
.about {
    padding: 80px 0;
}

.about-text h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    color: var(--color-text-dark);
    text-align: center;
}

.accordion-header {
    background-color: transparent;
    color: var(--color-text-dark);
    cursor: pointer;
    padding: 15px 10px; /* Mais padding para clicar */
    width: 100%;
    border: none;
    border-bottom: 1px solid var(--color-accent-light);
    text-align: left;
    outline: none;
    transition: background-color 0.2s;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 0;
}

.accordion-header:first-of-type {
    border-top: 1px solid var(--color-accent-light);
}

.about-text p {
    color: var(--color-text-secondary);
    margin-bottom: 0.5rem;
    line-height: 1.8;
}

.accordion-header h3 {
    margin: 0;
    font-size: 1.5rem;
    color: var(--color-text-dark);
    text-align: left;
}

.accordion-header.active {
    background-color: var(--color-accent-light);
}

.accordion-header.active .arrow {
    transform: rotate(180deg);
    color: var(--color-cta);
}

.accordion-content {
    background-color: white;
    overflow: hidden;
    max-height: 0;
    transition: max-height 0.3s ease-out, padding 0.3s ease-out;
    padding: 0 20px;
    border-bottom: 1px solid var(--color-accent-light);
    background: var(--color-background-light);
}

.accordion-content p {
    padding-bottom: 15px;
    margin-bottom: 0;
    background: white;
}

.accordion-content.open {
    max-height: 500px;
    padding-top: 15px;
    padding-bottom: 15px;
    background: white;
}

.accordion-header:hover {
    background-color: var(--color-accent-light); /* Light Tiffany Blue on the hover */
}

.arrow {
    font-size: 1.2rem;
    transition: transform 0.3s ease, color 0.3s ease;
    margin-left: 10px;
    color: var(--color-secondary-dark); /* Caribbean Current at the arrow */
}

/* Contact Section */
.contact {
    padding: 80px 0;
    background: var(--color-background-light); /* Anti-flash White */
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--color-text-dark);
}

.contact-info p {
    color: var(--color-text-secondary);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.contact-item {
    display: flex;
    align-items: center;
    margin-bottom: 1.5rem;
}

.contact-icon {
    width: 40px;
    height: 40px;
    background: var(--color-primary-dark); /* Dark Cyan */
    border-radius: var(--border-radius-small);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    margin-right: 1rem;
}

.contact-info strong {
    color: var(--color-text-dark);
}

.contact-info small {
    color: var(--color-text-secondary);
}

.contact-form {
    background: var(--color-background-light); /* Anti-flash White on the form */
    padding: 2rem;
    border-radius: var(--border-radius-main); /* Arredondado */
    border: 1px solid var(--color-accent-light);
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--color-text-dark);
    font-weight: 500;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--color-accent-light);
    border-radius: var(--border-radius-small);
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-cta); /* Magenta Dye no foco */
}

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

.submit-btn {
    background: var(--color-text-dark); /* Gunmetal dark background */
    color: white;
    padding: 1rem 2rem;
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    width: 100%;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(207, 0, 124, 0.3);
}

#btn-loading {
    display: none;
}

.message {
    display: none;
}

/* Footer */
.footer {
    background: var(--color-text-dark); /* Gunmetal */
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: white;
}

.footer-section p,
.footer-section a {
    color: var(--color-accent-light); /* Tiffany Blue for links and light text */
    text-decoration: none;
    line-height: 1.6;
}

.footer-section a:hover {
    color: var(--color-primary-dark); /* Dark Cyan on hover */
}

.footer-bottom {
    border-top: 1px solid var(--color-secondary-dark); /* Caribbean Current */
    padding-top: 1rem;
    text-align: center;
    color: var(--color-accent-light);
}

/* Animations and Media Queries (Mantenha as existentes) */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }

    .mobile-menu {
        display: flex;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .services-grid,
    .benefits-grid,
    .portfolio-grid {
        grid-template-columns: 1fr;
    }

    .post-header h1 {
        font-size: 2rem;
    }

    .post-header .post-meta {
        flex-direction: column;
        gap: 0.5rem;
    }

    .author-bio > div {
        flex-direction: column;
        text-align: center;
    }

    .related-posts > div {
        grid-template-columns: 1fr;
    }

    .pagination {
        flex-wrap: wrap;
        gap: 0.5rem;
    }

    .pagination-info {
        order: -1;
        width: 100%;
        justify-content: center;
        margin-bottom: 1rem;
    }
}

@media (max-width: 480px) {
    .nav {
        padding: 1rem;
    }

    .hero {
        padding: 100px 0 60px;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .post-header h1 {
        font-size: 1.8rem;
    }

    .blog-post-card {
        padding: 1.5rem;
    }

    .featured-image {
        height: 200px;
        font-size: 1rem;
    }

    .cta-box {
        padding: 1.5rem;
    }

    .author-bio {
        padding: 1.5rem;
    }
}