/* Importando a Inter (Google Fonts) */
@import url('https://fonts.googleapis.com/css2?family=Inter:ital,wght@0,400;0,500;0,600;1,400&display=swap');

/* 1. Reset e Variáveis */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --pine-blue: #2C7A7B;
    --pearl-aqua: #81C7B7;
    --white-smoke: #F4F4F4;
    --pale-slate: #CBD5E0;
    --slate-black: #0F172A;
    --pure-white: #FFFFFF;
    --font-main: 'Inter', sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    background-color: var(--pure-white);
    color: var(--slate-black);
    line-height: 1.6;
    overflow-x: hidden;
    width: 100%;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 2. Header & Navbar (Desktop) */
.main-header {
    background: rgba(255, 255, 255, 0.95);
    padding: 20px 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--pale-slate);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

.brand-logo {
    height: 45px;
    width: auto;
    display: block;
}

.nav-links {
    display: flex;
    list-style: none;
    align-items: center;
    gap: 30px;
}

.nav-links a {
    text-decoration: none;
    color: var(--slate-black);
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--pine-blue);
}

.btn-outline {
    border: 2px solid var(--pine-blue);
    padding: 8px 20px;
    border-radius: 5px;
    text-decoration: none;
    color: var(--pine-blue);
    font-weight: 600;
}

/* 3. Hero Section */
.hero {
    padding: 180px 0 100px;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    min-height: 80vh;
    display: flex;
    align-items: center;
}

.hero-content {
    max-width: 600px;
}

.hero h1 {
    font-size: 48px;
    line-height: 1.2;
    margin-bottom: 20px;
    color: var(--slate-black);
}

.hero p {
    font-size: 18px;
    margin-bottom: 30px;
    color: #4A5568;
}

.btn-primary {
    background-color: var(--pine-blue);
    color: white;
    padding: 15px 35px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: 600;
    display: inline-block;
    transition: opacity 0.3s;
}

/* 3.1 Research Scope (Barra de Tags - NOVO) */
.research-scope {
    padding: 30px 0;
    background-color: var(--white-smoke);
    border-bottom: 1px solid var(--pale-slate);
}

.scope-badges {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.badge-title {
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--pine-blue);
    letter-spacing: 1px;
}

.badge-list {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    justify-content: center;
}

.badge {
    background: var(--pure-white);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
    color: var(--slate-black);
    border: 1px solid var(--pale-slate);
    transition: all 0.3s;
}

.badge:hover {
    border-color: var(--pine-blue);
    color: var(--pine-blue);
}

/* 4. Sections Gerais */
.about {
    padding: 100px 0;
    background-size: cover;
    background-position: center;
    text-align: center;
}

.about h2 { font-size: 36px; margin-bottom: 30px; }
.about h2 span { color: var(--pine-blue); }
.about p { max-width: 800px; margin: 0 auto; font-size: 18px; }

.process, .benefits { padding: 80px 0; }
.process h2, .benefits h2 { text-align: center; margin-bottom: 50px; font-size: 32px; }

.process-grid, .benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 30px;
}

.process-item, .benefit-card {
    text-align: center;
    padding: 30px;
    background: var(--white-smoke);
    border-radius: 10px;
    transition: transform 0.3s;
}

.process-item img, .benefit-card img {
    width: 64px;
    height: 64px;
    margin-bottom: 20px;
    object-fit: contain;
}

/* 4.1 Service Models Section */
.services-section {
    padding: 100px 0;
    background-color: #e1eaee;
    text-align: center;
}

.services-section h2 {
    font-size: 32px;
    margin-bottom: 50px;
    color: var(--slate-black);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 25px;
}

.service-card {
    background: var(--pure-white);
    padding: 40px 30px;
    border-radius: 12px;
    text-align: left;
    display: flex;
    flex-direction: column;
    border: 1px solid var(--pale-slate);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(44, 122, 123, 0.1);
}

.service-card.highlight {
    border: 2px solid var(--pine-blue);
    position: relative;
    box-shadow: 0 4px 20px rgba(44, 122, 123, 0.15);
}

.service-header {
    margin-bottom: 25px;
    border-bottom: 1px solid var(--white-smoke);
    padding-bottom: 15px;
}

.service-header h3 {
    font-size: 20px;
    color: var(--pine-blue);
    margin-bottom: 5px;
}

.engagement {
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: #718096;
    font-weight: 600;
}

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

.service-list li {
    font-size: 15px;
    margin-bottom: 12px;
    position: relative;
    padding-left: 25px;
    color: #4A5568;
    line-height: 1.4;
}

.service-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--pearl-aqua);
    font-weight: bold;
}

/* 5. Bottom Section & Form */
.bottom-section {
    padding: 100px 0;
    background-color: var(--white-smoke);
}

.split-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.testimonials blockquote {
    font-size: 20px;
    font-style: italic;
    color: #4A5568;
    position: relative;
    padding-left: 30px;
    border-left: 4px solid var(--pearl-aqua);
}

.contact-form-container {
    background: var(--pure-white);
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}

.form-group { margin-bottom: 20px; }
.form-group label { display: block; margin-bottom: 8px; font-weight: 500; }
.form-group input, .form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--pale-slate);
    border-radius: 5px;
    font-family: var(--font-main);
}
.form-group textarea { min-height: 120px; resize: vertical; }

.btn-submit {
    width: 100%;
    padding: 15px;
    background-color: var(--pine-blue);
    color: white;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
}

/* 6. Footer (Desktop) */
.main-footer {
    background-color: var(--slate-black);
    color: var(--white-smoke);
    padding: 50px 0;
}

.ethical-disclaimer {
    padding: 40px 0;
    background-color: #f9f9f9;
    border-top: 1px solid #e2e8f0;
}

.disclaimer-box {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    padding: 0 20px; /* Margem de segurança para mobile */
}

.disclaimer-box h4 {
    color: #2c7a7b; /* Pine Blue do branding */
    font-size: 1.1rem;
    margin-bottom: 15px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.disclaimer-box p {
    font-size: 0.9rem;
    line-height: 1.6;
    color: #4a5568;
    font-style: italic;
}

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

.brand-logo-footer {
    height: 40px;
    width: auto;
    opacity: 0.9;
}

.footer-info {
    text-align: right;
    font-size: 14px;
    color: var(--pale-slate);
}

/* 6.1 Disclaimer Ético (NOVO) */
.disclaimer {
    display: block;
    margin-top: 10px;
    font-size: 11px;
    opacity: 0.7;
    max-width: 400px;
}

/* 7. MEDIA QUERIES (Mobile e Tablet) */
@media (max-width: 768px) {
    .main-header {
        position: relative; 
        padding: 15px 0;
    }

    .navbar {
        flex-direction: column;
        gap: 15px;
    }

    .nav-links {
        gap: 15px;
        font-size: 14px;
        justify-content: center;
    }

    /* Esconde 'About' e 'Process' no mobile */
    .nav-links li:nth-child(1), 
    .nav-links li:nth-child(2) { 
        display: none; 
    }

    .nav-links .btn-outline {
        display: none; 
    }

    .brand-logo {
        height: 35px;
    }

    /* Hero */
    .hero {
        padding: 60px 0;
        min-height: auto;
        text-align: center;
    }

    .hero h1 {
        font-size: 32px;
    }

    /* Research Scope Mobile */
    .scope-badges {
        flex-direction: column;
        gap: 10px;
    }

    /* Layouts Grid */
    .split-layout {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    /* Services Mobile */
    .services-section {
        padding: 60px 0;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    /* Footer Mobile */
    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: 20px;
    }

    .footer-info {
        text-align: center;
        width: 100%;
    }

    .disclaimer {
        margin: 10px auto 0;
    }
}