/* =========================================
   1. VARIÁVEIS E GLOBAIS - Paleta Profissional
   ========================================= */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
    --font-titulo: 'JetBrains Mono', monospace;
    --font-texto: 'Inter', sans-serif;
    
    /* Nova Paleta Profissional */
    --cor-bg-main: #0A0E11;
    --cor-bg-card: #111827;
    --cor-text-main: #F9FAFB;
    --cor-text-secondary: #D1D5DB;
    --cor-primary: #00D9A3;
    --cor-primary-dark: #00A878;
    --cor-secondary: #B794F6;
    --cor-accent: #38BDF8;
    --cor-warning: #F59E0B;
    --cor-danger: #EF4444;
    --cor-border: #1F2937;
    
    --sombra-sutil: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --sombra-media: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --sombra-grande: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

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

html { 
    scroll-behavior: smooth; 
    font-size: 16px;
}

body {
    background-color: var(--cor-bg-main);
    color: var(--cor-text-main);
    font-family: var(--font-texto);
    line-height: 1.6;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(0, 217, 163, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(56, 189, 248, 0.05) 0%, transparent 50%);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Scrollbar Personalizada */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--cor-bg-main); }
::-webkit-scrollbar-thumb { 
    background: var(--cor-border); 
    border-radius: 5px;
    transition: background 0.3s ease;
}
::-webkit-scrollbar-thumb:hover { background: var(--cor-primary); }

/* =========================================
   2. LAYOUT E CONTAINERS
   ========================================= */
.container__margens { 
    margin: 0 24px;
}

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

@media (min-width: 768px) { 
    .container__margens { margin: 0 48px; } 
}

@media (min-width: 1200px) { 
    .container__margens { margin: 0 auto; } 
}

/* =========================================
   3. CABEÇALHO & NAVEGAÇÃO
   ========================================= */
.cabecalho {
    padding: 4rem 0 2rem;
    position: relative;
    border-bottom: 1px solid var(--cor-border);
}

.header-content { 
    position: relative; 
}

/* Seletor de Idioma */
.lang-switcher-container {
    position: absolute;
    top: -30px;
    right: 0;
    z-index: 10;
}

.lang-selector {
    background-color: var(--cor-bg-card);
    color: var(--cor-text-main);
    border: 1px solid var(--cor-border);
    padding: 8px 36px 8px 12px;
    border-radius: 8px;
    font-family: var(--font-titulo);
    font-size: 0.875rem;
    cursor: pointer;
    outline: none;
    transition: all 0.3s ease;
    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='none' stroke='%2300D9A3' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 10px center;
    background-size: 16px;
}

.lang-selector:hover {
    border-color: var(--cor-primary);
    background-color: rgba(0, 217, 163, 0.05);
}

.lang-selector:focus {
    border-color: var(--cor-primary);
    box-shadow: 0 0 0 3px rgba(0, 217, 163, 0.1);
}

.cabecalho__titulo {
    font-family: var(--font-titulo);
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    color: var(--cor-text-main);
    line-height: 1.2;
    margin-bottom: 1rem;
}

.terminal-prefix {
    color: var(--cor-secondary);
    margin-right: 10px;
}

.cursor {
    animation: blink 1s infinite;
    color: var(--cor-primary);
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

.cabecalho__subtitulo {
    font-family: var(--font-titulo);
    color: var(--cor-text-secondary);
    font-size: clamp(1rem, 2.5vw, 1.25rem);
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
}

.cabecalho__subtitulo::before { 
    content: ">_ "; 
    color: var(--cor-primary); 
    margin-right: 8px; 
}

/* Mobile Adjustments */
@media (max-width: 768px) {
    .lang-switcher-container { 
        top: -40px; 
        right: auto; 
        left: 0; 
    }
    .cabecalho { 
        padding-top: 5rem; 
    }
}

/* =========================================
   4. BOTÕES - Animações Sutis
   ========================================= */
.header-cta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn-primary, 
.btn-secondary {
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-family: var(--font-titulo);
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background-color: var(--cor-primary);
    color: var(--cor-bg-main);
    border: 2px solid var(--cor-primary);
}

.btn-primary:hover {
    background-color: var(--cor-primary-dark);
    border-color: var(--cor-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--sombra-media);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background-color: transparent;
    color: var(--cor-primary);
    border: 2px solid var(--cor-border);
}

.btn-secondary:hover {
    background-color: rgba(0, 217, 163, 0.1);
    border-color: var(--cor-primary);
    transform: translateY(-2px);
}

.btn-secondary:active {
    transform: translateY(0);
}

.large { 
    padding: 16px 32px; 
    font-size: 1rem; 
}

/* =========================================
   5. SEÇÕES
   ========================================= */
.services, 
.portfolio, 
.cta-section, 
.testimonials {
    margin-top: 6rem;
    margin-bottom: 4rem;
}

.portfolio__titulo {
    font-family: var(--font-titulo);
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    margin-bottom: 3rem;
    color: var(--cor-text-main);
    border-left: 4px solid var(--cor-primary);
    padding-left: 16px;
}

/* =========================================
   6. GRID DE SERVIÇOS
   ========================================= */
.services__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.service-card {
    background-color: var(--cor-bg-card);
    border: 1px solid var(--cor-border);
    padding: 2rem;
    border-radius: 12px;
    transition: all 0.3s ease;
    position: relative;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--cor-primary), var(--cor-accent));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.service-card:hover {
    border-color: var(--cor-primary);
    transform: translateY(-4px);
    box-shadow: var(--sombra-grande);
}

.service-card:hover::before {
    opacity: 1;
}

.service-card h3 {
    color: var(--cor-text-main);
    margin-bottom: 1rem;
    font-size: 1.25rem;
    font-weight: 600;
}

.service-card p {
    color: var(--cor-text-secondary);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.tech-list { 
    list-style: none; 
    padding: 0; 
}

.tech-list li {
    color: var(--cor-primary);
    font-family: var(--font-titulo);
    font-size: 0.875rem;
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    transition: all 0.2s ease;
}

.tech-list li::before { 
    content: "▹"; 
    margin-right: 8px; 
    color: var(--cor-accent);
    font-size: 1.2rem;
}

.tech-list li:hover { 
    transform: translateX(5px); 
    color: var(--cor-text-main); 
}

/* =========================================
   7. PORTFOLIO CARDS
   ========================================= */
.portfolio__galeria {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.portfolio__card {
    background-color: var(--cor-bg-card);
    border: 1px solid var(--cor-border);
    border-radius: 12px;
    overflow: hidden;
    text-decoration: none;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.portfolio__card:hover {
    transform: translateY(-6px);
    border-color: var(--cor-primary);
    box-shadow: var(--sombra-grande);
}

.portfolio__card__img {
    height: 220px;
    background-size: cover;
    background-position: center;
    border-bottom: 1px solid var(--cor-border);
    filter: grayscale(60%) brightness(0.8);
    transition: all 0.4s ease;
}

.portfolio__card:hover .portfolio__card__img { 
    filter: grayscale(0%) brightness(1); 
}

.portfolio__card__info { 
    padding: 1.5rem; 
}

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

.portfolio__trabalho span:first-child {
    color: var(--cor-text-main);
    font-weight: 600;
    font-size: 1.125rem;
}

.portfolio__trabalho span:last-child {
    color: var(--cor-text-secondary);
    font-size: 0.9rem;
}

.portfolio__ano { 
    margin-top: 1rem; 
    font-family: var(--font-titulo); 
    font-size: 0.8rem; 
    color: var(--cor-primary); 
    display: block; 
    text-align: right; 
}

/* Placeholders para imagens */
.img-orchestrator { background-image: url('https://images.unsplash.com/photo-1551288049-bebda4e38f71?w=800&auto=format&fit=crop'); }
.img-ticodns { background-image: url('https://images.unsplash.com/photo-1558494949-ef010cbdcc31?w=800&auto=format&fit=crop'); }
.img-sync { background-image: url('https://images.unsplash.com/photo-1451187580459-43490279c0fa?w=800&auto=format&fit=crop'); }
.img-scholarship { background-image: url('https://images.unsplash.com/photo-1434030216411-0b793f4b4173?w=800&auto=format&fit=crop'); }
.img-bots { background-image: url('https://images.unsplash.com/photo-1611974789855-9c2a0a7236a3?w=800&auto=format&fit=crop'); }
.img-diagnostic { background-image: url('https://images.unsplash.com/photo-1518770660439-4636190af475?w=800&auto=format&fit=crop'); }

/* =========================================
   8. CTA SECTION
   ========================================= */
.cta-section { 
    margin-top: 8rem; 
    margin-bottom: 6rem; 
}

.cta-box {
    background: linear-gradient(135deg, rgba(17, 24, 39, 0.8), rgba(10, 14, 17, 0.9));
    border: 1px solid var(--cor-border);
    padding: 4rem 3rem;
    text-align: center;
    border-radius: 16px;
    position: relative;
    overflow: hidden;
}

.cta-box::before {
    content: '';
    position: absolute;
    top: -50%; 
    left: -50%; 
    width: 200%; 
    height: 200%;
    background: radial-gradient(circle, rgba(0, 217, 163, 0.1) 0%, transparent 70%);
    z-index: 0; 
    pointer-events: none;
}

.cta-box h2, 
.cta-box p, 
.cta-buttons { 
    position: relative; 
    z-index: 1; 
}

.cta-box h2 { 
    font-size: clamp(1.75rem, 4vw, 2.5rem); 
    margin-bottom: 1rem;
    font-weight: 700;
}

.cta-box p { 
    color: var(--cor-text-secondary); 
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons { 
    display: flex; 
    justify-content: center; 
    gap: 1.5rem; 
    flex-wrap: wrap; 
}

/* =========================================
   9. ACHIEVEMENTS SECTION
   ========================================= */
.achievements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.achievement-card {
    background-color: var(--cor-bg-card);
    border: 1px solid var(--cor-border);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s ease;
}

.achievement-card:hover {
    border-color: var(--cor-accent);
    transform: translateY(-4px);
}

.achievement-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--cor-primary);
    font-family: var(--font-titulo);
    margin-bottom: 0.5rem;
    line-height: 1;
}

.achievement-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--cor-text-main);
    margin-bottom: 0.75rem;
}

.achievement-desc {
    font-size: 0.9rem;
    color: var(--cor-text-secondary);
    line-height: 1.5;
}

/* =========================================
   10. TESTIMONIALS
   ========================================= */
.testimonials__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.testimonial-card {
    background-color: var(--cor-bg-card);
    border: 1px solid var(--cor-border);
    padding: 2rem;
    border-radius: 12px;
    position: relative;
    transition: all 0.3s ease;
}

.testimonial-card:hover {
    transform: translateY(-4px);
    border-color: var(--cor-secondary);
    box-shadow: var(--sombra-media);
}

.quote-icon {
    font-size: 1.5rem;
    color: var(--cor-primary);
    opacity: 0.3;
    margin-bottom: 1rem;
}

.testimonial-text {
    color: var(--cor-text-secondary);
    font-style: italic;
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
    line-height: 1.6;
}

.client-info {
    display: flex;
    align-items: center;
    gap: 12px;
    border-top: 1px solid var(--cor-border);
    padding-top: 1rem;
}

.client-avatar {
    width: 48px;
    height: 48px;
    background-color: var(--cor-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--cor-primary);
    font-size: 1.25rem;
    flex-shrink: 0;
}

.client-name {
    margin: 0;
    color: var(--cor-text-main);
    font-size: 0.95rem;
    font-weight: 600;
}

.client-role {
    display: block;
    font-size: 0.8rem;
    color: var(--cor-text-secondary);
    margin-top: 2px;
}

/* =========================================
   11. MEDIUM SECTION
   ========================================= */
.medium-card {
    background-color: var(--cor-bg-card);
    border: 1px solid var(--cor-border);
    border-radius: 12px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.3s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.medium-card:hover {
    border-color: var(--cor-primary);
    transform: translateY(-4px);
    box-shadow: var(--sombra-media);
}

.medium-img-container {
    width: 100%;
    height: 200px;
    background-size: cover;
    background-position: center;
    border-bottom: 1px solid var(--cor-border);
    filter: grayscale(40%);
    transition: filter 0.3s ease;
}

.medium-card:hover .medium-img-container {
    filter: grayscale(0%);
}

.medium-content {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.medium-date {
    font-size: 0.8rem;
    color: var(--cor-accent);
    font-family: var(--font-titulo);
    margin-bottom: 0.75rem;
}

.medium-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--cor-text-main);
    line-height: 1.4;
}

.medium-desc {
    font-size: 0.9rem;
    color: var(--cor-text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
    flex-grow: 1;
}

.read-more {
    margin-top: auto;
    font-family: var(--font-titulo);
    font-size: 0.85rem;
    color: var(--cor-primary);
    text-transform: uppercase;
    font-weight: 600;
}

/* =========================================
   12. FOOTER & CONTATO
   ========================================= */
.contato {
    padding: 4rem 0 3rem;
    text-align: center;
    border-top: 1px solid var(--cor-border);
    margin-top: 6rem;
}

.contato a {
    color: var(--cor-text-secondary);
    text-decoration: none;
    margin: 0 1.5rem;
    font-family: var(--font-titulo);
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.contato a:hover { 
    color: var(--cor-primary); 
}

/* Form Styles */
.contato-form-container input,
.contato-form-container select,
.contato-form-container textarea {
    width: 100%;
    padding: 12px 16px;
    background: var(--cor-bg-card);
    border: 1px solid var(--cor-border);
    color: var(--cor-text-main);
    border-radius: 8px;
    font-family: var(--font-texto);
    transition: all 0.3s ease;
}

.contato-form-container input:focus,
.contato-form-container select:focus,
.contato-form-container textarea:focus {
    outline: none;
    border-color: var(--cor-primary);
    background-color: rgba(0, 217, 163, 0.05);
    box-shadow: 0 0 0 3px rgba(0, 217, 163, 0.1);
}

.contato-form-container input::placeholder,
.contato-form-container textarea::placeholder {
    color: #6B7280;
}

/* =========================================
   13. VOLTAR AO TOPO
   ========================================= */
#voltarTopo {
    display: none;
    position: fixed;
    bottom: 30px; 
    right: 30px;
    z-index: 99;
    border: none;
    background-color: var(--cor-primary);
    color: var(--cor-bg-main);
    cursor: pointer;
    padding: 14px;
    border-radius: 50%;
    font-size: 20px;
    box-shadow: var(--sombra-media);
    transition: all 0.3s ease;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
}

#voltarTopo:hover { 
    transform: translateY(-3px);
    box-shadow: var(--sombra-grande);
    background-color: var(--cor-primary-dark);
}

#voltarTopo:active {
    transform: translateY(0);
}

/* =========================================
   14. RESPONSIVE ADJUSTMENTS
   ========================================= */
@media (max-width: 768px) {
    .services__grid,
    .portfolio__galeria,
    .testimonials__grid,
    .achievements-grid {
        grid-template-columns: 1fr;
    }
    
    .header-cta {
        flex-direction: column;
        align-items: stretch;
    }
    
    .btn-primary,
    .btn-secondary {
        justify-content: center;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
}