/* ===========================
   AB2B - Estilos Unificados
   ===========================
   Este arquivo combina todos os estilos do site em um único arquivo,
   seguindo os princípios DRY, SOLID e clean code.
*/

/* =========================== 
   VARIÁVEIS E RESET
   =========================== */
:root {
    --bg-primary: #1e1e1e;
    --bg-alt: #262626;
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --accent: #DAFF00; /* Verde fosforescente da logo */
    --accent-light: #EBFF4F; /* Tom mais claro para hover */
    --accent-dark: #C3FF00; /* Tom mais escuro para elementos secundários */
    --accent-2: #3c97ff;
    --transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 8px 15px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 15px 30px rgba(0, 0, 0, 0.15);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: var(--font-primary);
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    font-size: 16px;
}

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

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

button, .btn {
    cursor: pointer;
    border: none;
    outline: none;
    background: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    width: 100%;
}

/* =========================== 
   LAYOUT E COMPONENTES COMUNS
   =========================== */

/* Cabeçalho e navegação */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    padding: 0.8rem 0;
    background-color: rgba(30, 30, 30, 0.95);
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.header.scrolled {
    padding: 0.6rem 0;
    background-color: rgba(30, 30, 30, 0.98);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.flex {
    display: flex;
}

.justify-between {
    justify-content: space-between;
}

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

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

.logo {
    font-size: 1.7rem;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: -0.5px;
    transition: transform 0.3s ease;
}

.logo:hover {
    transform: scale(1.05);
}

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

.nav-list {
    display: flex;
    gap: 1.2rem;
    margin: 0;
    padding: 0;
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-primary);
    padding: 0.3rem 0;
    position: relative;
    transition: color 0.3s ease;
}

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

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

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

/* Estilo especial para o link do WhatsApp no menu */
.whatsapp-nav-link {
    color: #daff00 !important;
    font-weight: 600;
}

.whatsapp-nav-link:hover {
    transform: translateY(-2px);
    color: #20bd5a !important;
}

.whatsapp-nav-link i {
    font-size: 1.2em;
}

/* Versão para menu mobile */
@media (max-width: 768px) {
    .whatsapp-nav-link {
        background-color: rgba(37, 211, 102, 0.1);
        border-radius: 4px;
        padding: 6px 10px !important;
    }
}

/* Menu Mobile */
.menu-toggle {
    display: none;
    font-size: 1.8rem;
    color: var(--accent);
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1001;
}

/* Botão de fechar - sempre oculto por padrão */
.close-menu {
    display: none;
    position: absolute;
    top: 1rem;
    right: 1rem;
    font-size: 1.5rem;
    color: white;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1002;
}

/* Estilos para quando o menu está aberto */
body.menu-open {
    overflow: hidden;
}

/* Overlay para o menu mobile */
.menu-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 998;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.menu-overlay.active {
    display: block;
    opacity: 1;
}

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }
    
    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        max-width: 280px;
        height: 100vh;
        background-color: rgba(25, 25, 25, 0.98);
        padding: 0;
        box-shadow: -5px 0 15px rgba(0, 0, 0, 0.3);
        z-index: 1000;
        transition: right 0.3s cubic-bezier(0.16, 1, 0.3, 1);
        overflow-y: auto;
    }
    
    .nav.active {
        right: 0;
    }
    
    .nav-list {
        display: flex;
        flex-direction: column;
        gap: 0;
        padding: 4rem 0 1.5rem;
        margin: 0;
    }
    
    .nav-link {
        display: block;
        font-size: 1rem;
        font-weight: 500;
        color: #fff;
        padding: 0.8rem 1.5rem;
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        transition: all 0.2s ease;
    }
    
    .nav-link:hover,
    .nav-link.active {
        color: var(--accent);
        background-color: rgba(255, 255, 255, 0.05);
        padding-left: 1.8rem;
    }
    
    .nav-link::after {
        display: none;
    }
    
    .close-menu {
        display: block;
    }
}

/* Utilitários para exibição responsiva */
.mobile-only {
    display: none !important;
}

@media (max-width: 768px) {
    .mobile-only {
        display: block !important;
    }
}

/* Botões e elementos interativos */
.btn-primary {
    display: inline-block;
    padding: 1rem 2rem;
    background-color: var(--accent);
    color: #000;
    border: none;
    border-radius: 4px;
    font-weight: 600;
    font-size: 1.1rem;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.3s ease;
    text-decoration: none;
}

.btn-primary:hover {
    background-color: var(--accent-light);
    color: #000;
    transform: translateY(-3px);
}

.btn-primary:active {
    transform: translateY(2px);
}

/* =========================== 
   CABEÇALHOS DE PÁGINA
   =========================== */
.page-header {
    position: relative;
    overflow: hidden;
    padding: 5rem 0 3rem;
    background-color: var(--bg-primary);
}

.page-header-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    padding: 1.5rem;
}

.page-subtitle {
    font-size: 1.25rem;
    color: var(--accent);
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.page-title {
    font-size: 3rem;
    color: var(--text-primary);
    margin-bottom: 2rem;
    min-height: 3.5rem;
    position: relative;
    transition: opacity 0.8s ease;
}

/* Headline com rotação */
.headline-container {
    position: relative;
    margin-bottom: 2.5rem;
    width: 100%;
}

.headline-visible {
    font-size: 3rem;
    color: var(--text-primary);
    text-align: center;
    margin: 0;
    padding: 0 1rem;
    font-weight: 600;
    line-height: 1.4;
    transition: opacity 0.8s ease;
}

.headline-visible.fade-out {
    opacity: 0;
}

.page-description {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 800px;
    margin: 0 auto 1.5rem;
    line-height: 1.6;
    position: relative;
    padding: 0.5rem 2rem;
    font-style: italic;
}

.page-description::before,
.page-description::after {
    content: '"';
    font-size: 2.5rem;
    font-family: Georgia, serif;
    color: var(--accent);
    line-height: 0;
    position: absolute;
}

.page-description::before {
    top: 0.5rem;
    left: 0;
}

.page-description::after {
    bottom: 0;
    right: 0;
    position: absolute;
}

@media (max-width: 768px) {
    .page-description {
        padding: 0.5rem 1.5rem;
        font-size: 1.1rem;
    }
}

@media (max-width: 480px) {
    .page-description {
        padding: 0.5rem 1.2rem;
        font-size: 1rem;
    }
}

/* =========================== 
   SEÇÕES DE PÁGINA
   =========================== */
.section {
    padding: 6rem 0;
    background-color: var(--bg-primary);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.section:nth-child(even) {
    background-color: var(--bg-alt);
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

/* Títulos de seção - estilo global */
.section-title {
    font-size: 2.2rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--text-primary);
    position: relative;
    padding-bottom: 1rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: var(--accent);
}

.section-subtitle {
    text-transform: uppercase;
    font-weight: 500;
    letter-spacing: 4px;
    color: var(--accent);
    margin-bottom: 1rem;
}

/* =========================== 
   PÁGINA INDEX
   =========================== */

/* Seção de features */
.features-section {
    padding: 2.6rem;
    background-color: var(--bg-alt);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2.5rem;
}

.feature {
    background-color: var(--bg-primary);
    border-radius: 10px;
    padding: 2.5rem;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    margin-bottom: 2rem;
    font-size: 3rem;
    color: var(--accent);
}

.feature-title {
    margin-bottom: 1.5rem;
    font-size: 1.6rem;
    color: var(--text-primary);
}

.feature-description {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Grade de conteúdo reusável */
.grid-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2.5rem;
    margin: 0 auto;
    max-width: 1200px;
}

/* Seção Nossa Abordagem */
#abordagem-section {
    background-color: var(--bg-alt);
    padding: 6.5rem 0;
}

.approach-item {
    background-color: var(--bg-primary);
    border-radius: 10px;
    padding: 3rem 2.5rem;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    height: 100%;
}

.approach-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.approach-icon {
    margin-bottom: 2.5rem;
    font-size: 3.5rem;
    color: var(--accent);
    height: 80px;
    width: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background-color: rgba(255, 233, 0, 0.08);
}

.approach-title {
    margin-bottom: 1.5rem;
    font-size: 1.7rem;
    color: var(--text-primary);
    font-weight: 600;
}

.approach-description {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 1.1rem;
}

/* Seção CTA */
.cta-section {
    padding: 4rem 0;
    background-color: var(--bg-primary);
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(218, 255, 0, 0.1) 0%, rgba(0, 0, 0, 0.05) 100%);
    z-index: 1;
}

.cta-empresa {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    background-color: white;
    border-radius: 8px;
    padding: 3rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.cta-empresa:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
}

.cta-title {
    font-size: 2.2rem;
    font-weight: 700;
    color: #000;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

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

.cta-description {
    font-size: 1.1rem;
    line-height: 1.7;
    color: #333;
    margin: 1.5rem auto;
    max-width: 90%;
}

.cta-button-container {
    margin-top: 2rem;
}

.cta-button {
    display: inline-block;
    padding: 0.8rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 50px;
    background-color: var(--accent);
    color: #000;
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 10px rgba(218, 255, 0, 0.3);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(218, 255, 0, 0.4);
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: all 0.6s ease;
}

.cta-button:hover::before {
    left: 100%;
}

@media (max-width: 768px) {
    .cta-empresa {
        padding: 2rem;
        margin: 0 1rem;
    }
    
    .cta-title {
        font-size: 1.8rem;
    }
    
    .cta-description {
        font-size: 1rem;
        max-width: 100%;
    }
    
    .cta-button {
        padding: 0.8rem 2rem;
        font-size: 1.1rem;
        color: #000;
    }
}

@media (max-width: 480px) {
    .cta-empresa {
        padding: 1.5rem;
    }
    
    .cta-title {
        font-size: 1.5rem;
        color: #000;
    }
    
    .cta-description {
        font-size: 1rem;
    }
    
    .cta-button {
        padding: 0.7rem 1.5rem;
        font-size: 0.9rem;
        color: #000;
    }
}

/* Seção de serviços */
#services-section {
    padding: 0.5rem 0;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.service-card {
    background-color: var(--bg-primary);
    border-radius: 8px;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: var(--shadow-sm);
}

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

.service-content {
    padding: 1.5rem;
}

.service-title {
    margin-bottom: 0.75rem;
    font-size: 1.5rem;
    color: var(--text-primary);
}

.service-description {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 1rem;
}

/* =========================== 
   PÁGINA EMPRESA
   =========================== */
.manifesto-section {
    padding: 5rem 0;
    background-color: var(--bg-primary);
}

.manifesto-content {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.manifesto-title {
    font-size: 2.5rem;
    color: var(--text-primary);
    margin-bottom: 2rem;
    text-align: center;
    position: relative;
    display: inline-block;
    padding-bottom: 1rem;
}

.manifesto-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 80px;
    height: 3px;
    background-color: var(--accent);
}

.manifesto-paragraph {
    font-size: 1.2rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.manifesto-citation {
    font-size: 1.6rem;
    font-style: italic;
    color: var(--text-primary);
    border-left: 4px solid var(--accent);
    padding: 1rem 0 1rem 2rem;
    margin: 3rem 0;
    position: relative;
    font-weight: 600;
}

.manifesto-citation::before,
.manifesto-citation::after {
    font-family: Georgia, serif;
    color: var(--accent);
    opacity: 0.6;
}

.manifesto-citation::before {
    content: "\201C";
    position: absolute;
    left: 0.5rem;
    top: 0;
    font-size: 3rem;
    line-height: 1;
}

.manifesto-citation::after {
    content: "\201D";
    font-size: 3rem;
    line-height: 0;
    vertical-align: -0.5rem;
    margin-left: 0.2rem;
}

.missao-container {
    margin-top: 4rem;
    padding: 2rem;
    background-color: rgba(218, 255, 0, 0.05);
    border-radius: 8px;
}

.missao-title {
    font-size: 1.8rem;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.missao-texto {
    font-size: 1.2rem;
    line-height: 1.8;
    color: var(--text-secondary);
}

@media (max-width: 768px) {
    .manifesto-title {
        font-size: 2rem;
    }
    
    .manifesto-paragraph {
        font-size: 1.1rem;
    }
    
    .manifesto-citation {
        font-size: 1.4rem;
        padding-left: 1.5rem;
    }
}

@media (max-width: 480px) {
    .manifesto-title {
        font-size: 1.8rem;
    }
    
    .manifesto-paragraph {
        font-size: 1rem;
    }
    
    .manifesto-citation {
        font-size: 1.2rem;
        padding-left: 1.2rem;
    }
    
    .missao-container {
        padding: 1.5rem;
    }
}

/* =========================== 
   RODAPÉ
   =========================== */
.footer {
    background-color: #161616;
    padding: 3rem 0 1.5rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.footer-column {
    margin-bottom: 1.5rem;
}

.footer-title {
    font-size: 1.2rem;
    margin-bottom: 1.25rem;
    color: var(--text-primary);
    position: relative;
    padding-bottom: 0.75rem;
}

.footer-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: var(--accent);
}

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

.footer-link {
    color: var(--text-secondary);
    transition: color 0.3s ease;
}

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

.footer-contact-item {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    align-items: flex-start;
}

.footer-contact-icon {
    font-size: 1.2rem;
    color: var(--accent);
}

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

.footer-bottom {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

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

.social-link {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    transition: all 0.3s ease;
}

.social-link:hover {
    background-color: var(--accent);
    color: #000;
    transform: translateY(-3px);
}

/* =========================== 
   MEDIA QUERIES
   =========================== */
@media (max-width: 768px) {
    .container {
        padding: 0 1.5rem;
    }
    
    .page-header {
        padding: 4rem 0 2.5rem;
    }
    
    .headline-visible {
        font-size: 2.5rem;
        padding: 0 1.5rem;
    }
    
    .section {
        padding: 4rem 0;
    }
    
    .feature, .approach-item {
        padding: 2rem;
    }
    
    .approach-icon {
        margin-bottom: 2rem;
        font-size: 3rem;
        height: 70px;
        width: 70px;
    }
    
    .approach-title {
        font-size: 1.5rem;
    }
    
    .grid-content {
        gap: 2rem;
    }
}

@media (max-width: 480px) {
    .page-header {
        padding: 3rem 0 2rem;
    }
    
    .headline-visible {
        font-size: 2rem;
        padding: 0 1rem;
    }
    
    .section, #abordagem-section {
        padding: 3rem 0;
    }
    
    .approach-item {
        padding: 2rem 1.5rem;
    }
    
    .approach-icon {
        margin-bottom: 1.5rem;
        font-size: 2.5rem;
        height: 60px;
        width: 60px;
    }
    
    .features-grid, .grid-content {
        gap: 1.8rem;
    }
    
    .container {
        padding: 0 1.2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
}

/* =========================== 
   PÁGINA DE SERVIÇOS
   =========================== */
.services-section {
    padding: 5rem 0;
    background-color: #000;
}

.services-section .section-title {
    text-align: center;
    margin-bottom: 3rem;
    color: var(--text-primary);
}

.services-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    margin-bottom: 5rem;
}

.service-item {
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.service-content {
    padding: 2.5rem;
}

.service-title {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #000;
    position: relative;
    padding-bottom: 1rem;
}

.service-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 80px;
    height: 3px;
    background-color: var(--accent);
}

.service-description {
    font-size: 1.1rem;
    line-height: 1.6;
    color: #333;
    margin-bottom: 1.5rem;
}

.service-subtitle {
    font-size: 1.3rem;
    font-weight: 600;
    margin: 1.5rem 0 0.8rem;
    color: #000;
}

.service-deliverables {
    list-style-type: none;
    padding: 0;
    margin: 0;
}

.service-deliverables li {
    padding: 0 0 0 0.8rem;
    position: relative;
    color: #333;
}

.service-deliverables li::before {
    content: '•';
    color: var(--accent);
    font-weight: bold;
    position: absolute;
    left: 0;
}

.project-services {
    margin-bottom: 1rem;
}

.services-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.service-tag {
    display: inline-block;
    padding: 0.3rem 0.7rem;
    background-color: rgba(255, 255, 255, 0.15);
    border-radius: 4px;
    font-size: 0.8rem;
    color: #fff;
}

/* Diferenciais */
.differentials-section {
    padding: 4rem 0;
    margin-top: 2rem;
}

.differentials-section .section-title {
    color: var(--text-primary);
    margin-bottom: 3rem;
}

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

.differential-item {
    background-color: rgba(255, 255, 255, 0.03);
    border-radius: 8px;
    padding: 2rem;
    transition: transform 0.3s ease, background-color 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.differential-item:hover {
    transform: translateY(-5px);
    background-color: rgba(255, 255, 255, 0.05);
}

.differential-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--accent);
}

.differential-description {
    font-size: 0.95rem;
    line-height: 1.5;
    color: var(--text-secondary);
}

/* Media Queries para Serviços */
@media (min-width: 768px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }
    
    .service-item {
        display: flex;
        flex-direction: column;
    }
}

@media (max-width: 768px) {
    .differentials-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .service-content {
        padding: 1.5rem;
    }
    
    .service-title {
        font-size: 1.5rem;
    }
    
    .service-description {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
}

@media (max-width: 480px) {
    .service-content {
        padding: 1.2rem;
    }
    
    .service-title {
        font-size: 1.3rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .differential-item {
        padding: 1.2rem;
    }
    
    .differential-title {
        font-size: 1.1rem;
    }
}

/* =========================== 
   PORTFOLIO STYLES
   =========================== */
.portfolio-section {
    padding: 5rem 0;
    background-color: #000;
}

.portfolio-section .section-title {
    text-align: center;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.portfolio-section .section-description {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 3rem;
    color: var(--text-secondary);
}

/* Layout em mosaico */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.project-item {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    aspect-ratio: 1/1;
    cursor: pointer;
}

.project-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.project-card {
    height: 100%;
    position: relative;
}

.project-image {
    width: 100%;
    height: 100%;
    overflow: hidden;
    position: relative;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.project-item:hover .project-image img {
    transform: scale(1.05);
}

/* Overlay com informações que aparece no hover */
.project-info {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.95) 0%, rgba(0, 0, 0, 0.8) 70%, rgba(0, 0, 0, 0) 100%);
    padding: 2rem 1.5rem 1.5rem;
    transform: translateY(100%);
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    color: var(--text-primary);
}

.project-item:hover .project-info {
    transform: translateY(0);
}

.project-title {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: #fff;
    font-weight: 700;
    position: relative;
    padding-bottom: 0.5rem;
    transform: translateY(20px);
    opacity: 0;
    transition: transform 0.4s ease 0.1s, opacity 0.4s ease 0.1s;
}

.project-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 2px;
    background-color: var(--accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease 0.2s;
}

.project-item:hover .project-title {
    transform: translateY(0);
    opacity: 1;
}

.project-item:hover .project-title::after {
    transform: scaleX(1);
}

.project-description {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 1rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.4s ease 0.2s, transform 0.4s ease 0.2s;
}

.project-item:hover .project-description {
    opacity: 1;
    transform: translateY(0);
}

.project-services {
    margin-bottom: 1rem;
    opacity: 0;
    transform: translateY(15px);
    transition: opacity 0.4s ease 0.25s, transform 0.4s ease 0.25s;
}

.project-item:hover .project-services {
    opacity: 1;
    transform: translateY(0);
}

.project-buttons {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
    opacity: 0;
    transform: translateY(15px);
    transition: opacity 0.4s ease 0.3s, transform 0.4s ease 0.3s;
}

.project-item:hover .project-buttons {
    opacity: 1;
    transform: translateY(0);
}

.services-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.service-tag {
    display: inline-block;
    padding: 0.3rem 0.7rem;
    background-color: rgba(255, 255, 255, 0.15);
    border-radius: 4px;
    font-size: 0.8rem;
    color: #fff;
}

.project-buttons {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.view-project-btn {
    display: inline-block;
    padding: 0.5rem 1rem;
    background-color: var(--accent);
    color: #000;
    border-radius: 4px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: transform 0.3s ease;
    text-align: center;
}

.view-project-btn:hover {
    background-color: var(--accent);
    transform: translateY(-2px);
}

.whatsapp-btn {
    /* background-color: #25D366; */
}

.whatsapp-btn:hover {
    /* background-color: #128C7E; */
}

/* Indicador de carregamento */
.loading-indicator {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: var(--bg-secondary);
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(0, 114, 206, 0.2);
    border-radius: 50%;
    border-top-color: var(--accent);
    animation: spin 1s linear infinite;
}

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

/* Layout responsivo */
@media (max-width: 768px) {
    .projects-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: 1rem;
    }

    .project-info {
        transform: translateY(65%);
    }

    .project-title {
        font-size: 1.3rem;
    }
}

@media (max-width: 480px) {
    .projects-grid {
        grid-template-columns: 1fr;
    }
}

/* Seção de Depoimentos */
.testimonials-section {
    padding: 5rem 0;
    background-color: #f9f9f9;
}

.testimonials-section .section-title {
    text-align: center;
    margin-bottom: 3rem;
    color: #000;
}

.testimonials-slider {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    justify-content: center;
}

.testimonial-item {
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    padding: 2rem;
    width: 100%;
    max-width: 400px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.testimonial-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.testimonial-content {
    position: relative;
}

.testimonial-quote {
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    color: #333;
    font-style: italic;
}

.testimonial-quote::before {
    content: '"';
    font-size: 3rem;
    color: rgba(0, 40, 85, 0.1);
    position: absolute;
    top: -20px;
    left: -15px;
}

.testimonial-author {
    display: flex;
    align-items: center;
}

.testimonial-author-info h4 {
    font-size: 1.1rem;
    margin: 0 0 0.3rem;
    color: #000;
    font-weight: 600;
}

.testimonial-author-info p {
    font-size: 0.9rem;
    color: #666;
    margin: 0;
}