/* =========================================
   Variáveis e Configurações Globais
   ========================================= */
:root {
    --bg-dark: #0a0f18;
    --bg-card: #121a28;
    --color-cyan: #00d2ff;
    --color-green: #00ff87;
    --color-text: #e0e0e0;
    --color-white: #ffffff;
    --font-main: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

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

body {
    font-family: var(--font-main);
    background-color: var(--bg-dark);
    color: var(--color-text);
    line-height: 1.6;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

.card__image--founder {
    width: 100px; /* Ou o tamanho que estava definido antes */
    height: 100px;
    border-radius: 50%; /* Faz a foto ficar redonda */
    object-fit: cover; /* Garante que a foto não fique esticada */
    margin-bottom: 1.5rem;
    border: 2px solid var(--color-cyan); /* Opcional: adiciona uma borda na cor da logo */
}

/* =========================================
   Utilitários e Tipografia
   ========================================= */
.text-gradient {
    background: linear-gradient(90deg, var(--color-cyan), var(--color-green));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.color-cyan { color: var(--color-cyan); }
.color-green { color: var(--color-green); }
.w-100 { width: 100%; }

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

.section-title--left {
    text-align: left;
    margin-top: 0;
}

.page-title {
    font-size: 3.5rem;
    color: var(--color-cyan);
    margin-bottom: 1rem;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.page-subtitle {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 3rem auto;
    font-size: 1.2rem;
    color: rgba(224, 224, 224, 0.7);
}

.page-text {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
    color: rgba(224, 224, 224, 0.8);
}

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

.grid--3 {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

/* =========================================
   Header & Navegação
   ========================================= */
.header {
    background-color: rgba(10, 15, 24, 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(0, 210, 255, 0.1);
}

.header__container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.header__logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-white);
    text-decoration: none;
    letter-spacing: 2px;
}

.header__logo span { color: var(--color-cyan); }

.nav__list {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

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

.nav__link:hover, .nav__link--active {
    color: var(--color-green);
    text-shadow: 0 0 10px rgba(0, 255, 135, 0.5);
}

.btn-nav {
    border: 1px solid var(--color-cyan);
    padding: 0.5rem 1.2rem;
    border-radius: 20px;
    color: var(--color-cyan) !important;
}

.btn-nav:hover {
    background-color: rgba(0, 210, 255, 0.1);
}

/* =========================================
   Hero Section (Página Inicial)
   ========================================= */
.hero {
    height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: radial-gradient(circle at center, var(--bg-card) 0%, var(--bg-dark) 100%);
    padding-top: 80px;
}

.hero__title {
    font-size: 4.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    color: var(--color-white);
    line-height: 1.1;
}

.hero__description {
    font-size: 1.2rem;
    max-width: 650px;
    margin: 0 auto 2.5rem auto;
    color: rgba(224, 224, 224, 0.7);
}

/* =========================================
   Fundadores
   ========================================= */
.founders {
    padding: 6rem 0;
    background-color: #0b111a;
}

.founders__intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 4rem auto;
}

.founders__subtitle {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.founders__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
}

/* =========================================
   Engenharia, QA e Desenvolvimento
   ========================================= */
.qa-section {
    padding: 6rem 0;
    background: linear-gradient(180deg, var(--bg-dark) 0%, var(--bg-card) 100%);
}

.dev-section {
    padding: 6rem 0;
    background: linear-gradient(180deg, var(--bg-card) 0%, var(--bg-dark) 100%);
}

.qa-box {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

/* Inverte a ordem visual na seção de desenvolvimento */
.qa-box--reverse {
    direction: ltr; 
}

.qa-box__content .qa-list {
    list-style: none;
    margin-top: 1.5rem;
}

.qa-box__content .qa-list li {
    margin-bottom: 1rem;
    padding-left: 2rem;
    position: relative;
}

.qa-box__content .qa-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-green);
    font-weight: bold;
}

/* Terminal / Janela de Código */
.code-window {
    background-color: #1e1e1e;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 15px 35px rgba(0,0,0,0.5);
    overflow: hidden;
}

.code-window__header {
    background-color: #2d2d2d;
    padding: 10px;
    display: flex;
    gap: 8px;
}

.code-window__header span {
    width: 12px; height: 12px; border-radius: 50%;
}

.code-window__header span:nth-child(1) { background-color: #ff5f56; }
.code-window__header span:nth-child(2) { background-color: #ffbd2e; }
.code-window__header span:nth-child(3) { background-color: #27c93f; }

.code-window__body {
    padding: 20px;
    font-family: 'Courier New', Courier, monospace;
    color: #d4d4d4;
    font-size: 0.9rem;
}

/* Cores alternativas para o terminal de Dev */
.code-window--alt .color-cyan { color: var(--color-green); }
.code-window--alt .color-green { color: var(--color-cyan); }

/* =========================================
   Manifesto Vallis Tech
   ========================================= */
.vallis-manifesto {
    padding: 6rem 0;
    background-color: #0d131f;
}

.manifesto-card {
    background-color: var(--bg-card);
    padding: 4rem;
    border-radius: 20px;
    border: 1px solid rgba(0, 210, 255, 0.1);
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

.manifesto-stats {
    display: flex;
    justify-content: space-around;
    margin-top: 3rem;
    text-align: center;
}

.stat-item span {
    font-size: 2.5rem;
    font-weight: 800;
    display: block;
}

.stat-item p {
    font-size: 0.9rem;
    color: var(--color-cyan);
    text-transform: uppercase;
    margin-top: 0.5rem;
    font-weight: bold;
}

/* =========================================
   Sobre Nós (Textos Informativos)
   ========================================= */
.about__vallis-info {
    max-width: 900px;
    margin: 0 auto 4rem auto;
}

/* =========================================
   Cards (Serviços, Pilares, Projetos)
   ========================================= */
.services, .page-content { padding: 6rem 0; }

.card {
    background-color: var(--bg-card);
    padding: 2.5rem;
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-10px);
    border-color: var(--color-cyan);
    box-shadow: 0 10px 30px rgba(0, 210, 255, 0.1);
}

.card__icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.card__title {
    color: var(--color-white);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.card__list {
    list-style: none;
    margin-top: 1rem;
}

.card__list li {
    margin-bottom: 0.8rem;
    padding-left: 1.5rem;
    position: relative;
}

.card__list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-green);
}

/* Card Específico: Fundadores */
.card--founder {
    text-align: center;
    border-top: 4px solid var(--color-cyan);
}

.card--founder .card__avatar {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, var(--color-cyan), var(--color-green));
    border-radius: 50%;
    margin: 0 auto 1.5rem auto;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: bold;
    color: var(--bg-dark);
}

.card--founder .card__role {
    color: var(--color-green);
    font-weight: bold;
    margin-bottom: 1rem;
    font-size: 0.9rem;
    text-transform: uppercase;
}

/* Card Específico: Projetos (Interatividade JS) */
.card--project {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.card__image {
    width: 100%;
    height: 180px;
    border-radius: 10px;
    margin-bottom: 1.5rem;
    transition: transform 0.3s ease;
}

.card--project:hover .card__image { transform: scale(1.03); }

.card__hidden-content {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height 0.5s ease, opacity 0.5s ease, margin-top 0.3s ease;
    background-color: rgba(0,0,0,0.2);
    padding: 0 1rem;
    border-radius: 8px;
}

.card__hidden-content.is-expanded {
    max-height: 500px;
    opacity: 1;
    margin-top: 1rem;
    padding: 1rem;
    border-left: 3px solid var(--color-cyan);
}

.card__hidden-content p {
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.card__footer {
    margin-top: auto;
    padding-top: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card__tag {
    background-color: rgba(0, 210, 255, 0.1);
    color: var(--color-cyan);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: bold;
    border: 1px solid var(--color-cyan);
}

/* =========================================
   FAQ (Acordeão)
   ========================================= */
.faq { padding: 4rem 0; }

.faq .faq-container { max-width: 800px; margin: 0 auto; }

.faq .faq-item {
    margin-bottom: 1rem;
    border: 1px solid rgba(0, 210, 255, 0.2);
    border-radius: 8px;
    overflow: hidden;
}

.faq .faq-btn {
    width: 100%;
    text-align: left;
    background-color: var(--bg-card);
    color: var(--color-white);
    padding: 1.5rem;
    font-size: 1.1rem;
    border: none;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color 0.3s ease;
}

.faq .faq-btn:hover { background-color: #172133; }

.faq .faq-btn .faq-icon {
    color: var(--color-cyan);
    font-size: 1.5rem;
    font-weight: bold;
    transition: transform 0.3s ease;
}

.faq .faq-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
    background-color: var(--bg-dark);
    padding: 0 1.5rem;
}

.faq .faq-content p { margin-bottom: 1.5rem; color: rgba(224, 224, 224, 0.8); }

.faq .faq-content.active {
    max-height: 300px;
    padding: 1rem 1.5rem;
}

/* =========================================
   Página de Contato e Formulários
   ========================================= */
.contact-grid {
    display: grid;
    grid-template-columns: 3fr 2fr;
    gap: 3rem;
}

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

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

.form-group input, .form-group select, .form-group textarea {
    width: 100%;
    padding: 1rem;
    background-color: rgba(10, 15, 24, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    color: var(--color-white);
    font-family: var(--font-main);
    transition: border-color 0.3s ease;
}

.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--color-cyan);
    box-shadow: 0 0 8px rgba(0, 210, 255, 0.3);
}

.social-links { list-style: none; margin-top: 1.5rem; }

.social-links li { margin-bottom: 1rem; }

.social-links li a {
    color: var(--color-cyan);
    text-decoration: none;
    transition: color 0.3s ease;
}

.social-links li a:hover { color: var(--color-green); }

/* =========================================
   Botões Globais
   ========================================= */
.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn--primary {
    background: linear-gradient(90deg, var(--color-cyan), var(--color-green));
    color: var(--bg-dark);
    box-shadow: 0 4px 15px rgba(0, 210, 255, 0.3);
}

.btn--primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 255, 135, 0.5);
}

.btn-text {
    background: none;
    border: none;
    color: var(--color-green);
    font-weight: bold;
    cursor: pointer;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.btn-text:hover { color: var(--color-cyan); }

/* =========================================
   Footer
   ========================================= */
.footer {
    text-align: center;
    padding: 2rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    color: rgba(224, 224, 224, 0.4);
}

/* =========================================
   Media Queries (Responsividade Completa)
   ========================================= */

/* Tablets e Desktops Pequenos (1024px) */
@media (max-width: 1024px) {
    .container { width: 92%; }
    .hero__title { font-size: 3.5rem; }
}

/* Celulares e Tablets (768px) - AJUSTADO CONFORME PRINTS */
@media (max-width: 768px) {
    /* Header: Empilhando elementos para caber na tela */
    .header__container {
        flex-direction: column;
        height: auto;
        padding: 1.2rem 0;
    }

    .nav__list {
        margin-top: 1rem;
        gap: 0.8rem;
        flex-wrap: wrap;
        justify-content: center;
    }

    .nav__link { font-size: 0.9rem; }

    /* Ajuste de Espaçamento: Evita que o Header cubra o conteúdo */
    .hero, 
    .founders, 
    .qa-section, 
    .dev-section, 
    .vallis-manifesto, 
    .services, 
    .page-content {
        padding-top: 200px !important; /* Compensa a altura do menu empilhado */
        height: auto;
    }

    /* Tipografia: Evita quebras de linha gigantes nos títulos */
    .hero__title { font-size: 2.5rem; line-height: 1.2; }
    .page-title { font-size: 2.2rem; margin-bottom: 1.5rem; }
    .section-title { font-size: 2rem; margin-bottom: 2rem; }

    /* Grids: Transforma tudo em 1 coluna */
    .grid, 
    .grid--3, 
    .founders__grid, 
    .contact-grid, 
    .qa-box {
        grid-template-columns: 1fr !important;
        gap: 2rem;
    }

    /* Inversão Visual (QA/Dev) */
    .qa-box--reverse {
        display: flex;
        flex-direction: column-reverse;
    }

    /* Manifesto e Stats */
    .manifesto-stats {
        flex-direction: column;
        gap: 2rem;
    }

    .manifesto-card { padding: 2rem 1.5rem; }

    /* FAQ */
    .faq .faq-btn { padding: 1.2rem; font-size: 1rem; }
}

/* Celulares Pequenos (480px) */
@media (max-width: 480px) {
    .hero__title { font-size: 2rem; }
    .page-title { font-size: 1.8rem; }
    
    .btn {
        width: 100%;
        text-align: center;
    }

    .card { padding: 1.5rem; }

    .code-window__body {
        font-size: 0.75rem;
        overflow-x: auto; /* Garante que o código não quebre o layout */
    }

    .stat-item span { font-size: 2rem; }
}