/* 1. VARIÁVEIS E RESET */
:root {
    /* Paleta Vertiz: Foco em Engenharia e Confiança */
    --primary: #002B5C;       /* Azul Navy Profundo */
    --primary-dark: #001A38;
    --dark: #0F172A;          /* Slate 900: Autoridade Máxima */
    --light: #FFFFFF;
    --gray-bg: #F8FAFC;       /* Slate 50: Neutralidade e Foco */
    --text-muted: #64748B;    /* Slate 500: Sobriedade */
    --transition: all 0.3s ease;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
[id] { scroll-margin-top: 100px; }

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--light);
    color: var(--dark);
    line-height: 1.6;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* 2. LAYOUT BASE (Mobile First) */

.navbar {
    height: 80px;
    display: flex;
    align-items: center;
    border-bottom: 1px solid #E2E8F0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo { height: 35px; width: auto; }

nav { display: flex; align-items: center; }
nav a { display: none; } 
nav a.btn-nav { 
    display: inline-block; 
    background: var(--dark);
    color: var(--light) !important;
    padding: 8px 16px;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.8rem;
}

.hero {
    padding: 60px 0;
    text-align: center;
}

.hero h1 {
    font-size: 2.2rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 24px;
}

.highlight { color: var(--primary); }

.hero p {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 32px;
}

.actions {
    display: flex;
    flex-direction: column; 
    gap: 12px;
}

.btn-primary, .btn-secondary {
    padding: 16px;
    border-radius: 6px;
    font-weight: 700;
    text-decoration: none;
    text-align: center;
    transition: var(--transition);
}

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

section { padding: 60px 0; }
.section-title { font-size: 1.8rem; text-align: center; margin-bottom: 30px; font-weight: 800; }
.grid, .method-grid, .diagnostico-wrapper { display: flex; flex-direction: column; gap: 24px; }
.card, .method-item, .diagnostico-form { background: var(--gray-bg); padding: 24px; border-radius: 12px; border: 1px solid #E2E8F0; }

/* 3. MELHORIA PROGRESSIVA (Desktop) */

@media (min-width: 992px) {
    .logo { height: 40px; }
    
    nav a { display: inline-block; text-decoration: none; color: var(--dark); font-weight: 600; font-size: 0.9rem; margin-right: 32px; }
    nav a.btn-nav { margin-right: 0; padding: 10px 20px; font-size: 0.9rem; }

    .hero { padding: 120px 0 80px; }
    .hero h1 { font-size: clamp(2.5rem, 5vw, 4rem); line-height: 1.1; }
    .hero p { font-size: 1.25rem; max-width: 700px; margin: 0 auto 40px; }

    .actions {
        flex-direction: row; 
        justify-content: center;
        gap: 16px;
    }

    .grid, .method-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 32px;
    }

    .diagnostico-wrapper {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 80px;
    }

    .section-title { font-size: 2.5rem; margin-bottom: 60px; }
    .card:hover { transform: translateY(-5px); box-shadow: 0 20px 25px -5px rgba(15, 23, 42, 0.1); }
}

/* Seção de Infraestrutura */
.infra-section {
    padding: 80px 0;
    background-color: var(--dark); 
    color: var(--light);
}

.infra-section .section-title {
    color: var(--light);
}

.section-subtitle {
    text-align: center;
    max-width: 800px;
    margin: -30px auto 60px;
    color: #94A3B8; /* Slate 400 */
    font-size: 1.1rem;
}

.infra-grid {
    display: grid;
    grid-template-columns: 1fr; 
    gap: 32px;
}

.infra-card {
    background: rgba(255, 255, 255, 0.03);
    padding: 40px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition);
}

.infra-card:hover {
    border-color: #38BDF8; /* Azul Celeste para feedback visual */
    background: rgba(255, 255, 255, 0.05);
}

.infra-card .icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.infra-card h3 {
    color: #38BDF8; 
    margin-bottom: 16px;
    font-size: 1.4rem;
}

.infra-card p {
    color: #CBD5E1; 
    font-size: 0.95rem;
    line-height: 1.7;
}

.infra-footer {
    margin-top: 60px;
    text-align: center;
    padding: 20px;
    background: rgba(0,0,0,0.3);
    border-radius: 50px;
    font-size: 0.85rem;
    color: #38BDF8;
    letter-spacing: 1px;
    text-transform: uppercase;
}

/* Ajuste de Seção Soluções */
.features {
    background-color: var(--gray-bg);
    padding: 100px 0; 
}

.card-tag {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--primary);
    font-weight: 800;
    margin-bottom: 12px;
}

.card h3 {
    margin-bottom: 16px;
    font-size: 1.5rem;
    color: var(--dark);
}

.card-link {
    display: inline-block;
    margin-top: 24px;
    font-weight: 700;
    font-size: 0.85rem;
    color: var(--primary);
    transition: var(--transition);
}

.card:hover .card-link {
    padding-left: 8px;
}

/* --- ESTILIZAÇÃO DO FORMULÁRIO DE DIAGNÓSTICO (PALETA ATUALIZADA) --- */

.form-group {
    margin-bottom: 24px;
    text-align: left; 
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    font-size: 0.9rem;
    color: var(--dark);
}

.form-group input, 
.form-group select, 
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid #CBD5E1; /* Slate 300 */
    border-radius: 6px;
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    background-color: var(--light);
    transition: var(--transition);
}

/* Efeito de foco alinhado ao Azul Navy da Vertiz */
.form-group input:focus, 
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 43, 92, 0.1); 
}

.full-width {
    width: 100%;
    cursor: pointer;
    border: none;
    margin-top: 10px;
}

.quote-senior {
    border-left: 4px solid var(--primary);
    padding: 20px;
    margin-top: 40px;
    font-style: italic;
    color: var(--text-muted);
    background: rgba(0, 43, 92, 0.03); /* Leve azulado para o bloco de quote */
    border-radius: 0 8px 8px 0;
}

.error-message {
    display: none; 
    color: #E11D48; /* Vermelho Rose 600: Mais elegante para erro técnico */
    font-size: 0.75rem;
    font-weight: 600;
    margin-top: 6px;
    transition: var(--transition);
}

input.input-error {
    border-color: #E11D48 !important;
    background-color: #FFF1F2;
}

input.input-error:focus {
    box-shadow: 0 0 0 3px rgba(225, 29, 72, 0.1) !important;
}