/* =================================================================
# COGNIVUS - Desenvolvimento e Conhecimento
# SCRIPT: global-styles.css
# DESCRIÇÃO: Padrão Visual Executivo (Dark Theme Editorial).
# ================================================================= */

/* ============ VARIÁVEIS E BASE ============ */
:root {
    --bg-dark: #2C302E; /* Tom executivo inspirado em ardósia/oliva escuro */
    --bg-darker: #222624;
    --text-main: #F4F6F5;
    --text-muted: #A3ACA8;
    --accent: #C79A3E; /* Dourado/Brass para autoridade */
    --accent-hover: #E3B95F;
    --border-light: rgba(255, 255, 255, 0.12);
    --font-stack: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    margin: 0;
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: var(--font-stack);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--text-main); text-decoration: none; transition: 0.3s; }
a:hover { color: var(--accent); }

/* ============ NAVEGAÇÃO ============ */
.exec-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 30px 5%;
    background-color: var(--bg-darker);
    border-bottom: 1px solid var(--border-light);
    position: sticky;
    top: 0;
    z-index: 100;
}

.exec-brand {
    font-size: 1.2rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--text-main);
}

.exec-links {
    display: flex;
    gap: 30px;
}

.exec-links a {
    font-size: 0.85rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--text-muted);
}

.exec-actions {
    display: flex;
    gap: 20px;
    align-items: center;
}

.btn-outline {
    border: 1px solid var(--border-light);
    padding: 8px 20px;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    background: transparent;
    color: var(--text-main);
    cursor: pointer;
    transition: 0.3s;
}

.btn-outline:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.btn-solid {
    background: var(--text-main);
    color: var(--bg-dark);
    padding: 8px 20px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: none;
    cursor: pointer;
    transition: 0.3s;
}

.btn-solid:hover {
    background: var(--accent);
    color: var(--bg-dark);
}

/* ============ HERO SECTION ============ */
.exec-hero {
    text-align: center;
    padding: 100px 20px 80px;
    background: linear-gradient(180deg, var(--bg-darker) 0%, var(--bg-dark) 100%);
    border-bottom: 1px solid var(--border-light);
}

.hero-eyebrow {
    font-size: 0.8rem;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--text-muted);
    display: block;
    margin-bottom: 20px;
}

.exec-hero h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 300;
    line-height: 1.2;
    margin: 0 auto 30px;
    max-width: 800px;
    letter-spacing: -0.5px;
}

.exec-hero h1 strong {
    font-weight: 600;
    color: var(--accent);
}

/* ============ SEGMENTAÇÃO (4 PILARES) ============ */
.segments-wrapper {
    max-width: 1200px;
    margin: 0 auto;
    padding: 80px 5%;
}

.section-title {
    text-align: center;
    font-size: 1.5rem;
    font-weight: 400;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 60px;
    color: var(--text-main);
}

.segments-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}

.segment-card {
    text-align: left;
}

.segment-card h3 {
    font-size: 1.1rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 15px;
    color: var(--text-main);
    border-bottom: 1px solid var(--accent);
    padding-bottom: 10px;
    display: inline-block;
}

.segment-card p {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-bottom: 20px;
}

.link-elegant {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--accent);
    border-bottom: 1px solid transparent;
    padding-bottom: 2px;
}

.link-elegant:hover {
    border-bottom-color: var(--accent);
}

/* ============ RODAPÉ ============ */
.exec-footer {
    background-color: var(--bg-darker);
    border-top: 1px solid var(--border-light);
    padding: 60px 5% 30px;
    text-align: center;
}

.footer-nav {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.footer-nav a {
    font-size: 0.85rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--text-muted);
}

.footer-copy {
    font-size: 0.8rem;
    color: #666;
    letter-spacing: 1px;
}

/* ============ RESPONSIVO ============ */
@media (max-width: 992px) {
    .segments-grid { grid-template-columns: repeat(2, 1fr); }
    .exec-links { display: none; }
}

@media (max-width: 600px) {
    .segments-grid { grid-template-columns: 1fr; }
    .exec-actions { display: none; }
}