:root {
    --primary: #1e3c72;
    --primary-dark: #152a52;
    --secondary: #2a5298;
    --accent: #f39c12;
    --bg: #f5f7fa;
    --text: #2c3e50;
    --white: #fff;
    --shadow: 0 4px 12px rgba(0,0,0,.08);
    --radius: 12px;
}

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

body {
    font-family: 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
}

.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* HEADER */
.header {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: var(--white);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow);
}
.header-content { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; }
.logo-area { display: flex; align-items: center; gap: 12px; }
.logo { width: 50px; height: 50px; object-fit: contain; }
.site-title { font-size: 1.4rem; }
.site-subtitle { font-size: .8rem; opacity: .85; }
.nav-menu a { color: var(--white); margin-left: 20px; text-decoration: none; font-weight: 500; }
.nav-menu a:hover { color: var(--accent); }

/* HERO */
.hero {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: var(--white);
    padding: 60px 0;
    text-align: center;
}
.hero h2 { font-size: 2rem; margin-bottom: 15px; }
.hero p { max-width: 700px; margin: 0 auto 25px; font-size: 1.1rem; }
.btn-primary {
    display: inline-block;
    background: var(--accent);
    color: var(--white);
    padding: 14px 32px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: transform .2s, box-shadow .2s;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 6px 16px rgba(243,156,18,.4); }

/* SEÇÕES */
.section { padding: 60px 0; }
.section-alt { background: var(--white); }
.section-title { text-align: center; font-size: 2rem; margin-bottom: 10px; color: var(--primary); }
.section-subtitle { text-align: center; color: #666; margin-bottom: 40px; }

/* GRID MÓDULOS */
.grid-modulos {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
}
.card-modulo {
    background: var(--white);
    border-radius: var(--radius);
    padding: 25px;
    text-decoration: none;
    color: var(--text);
    box-shadow: var(--shadow);
    border-top: 4px solid var(--cor);
    transition: transform .25s, box-shadow .25s;
    display: flex;
    flex-direction: column;
}
.card-modulo:hover { transform: translateY(-5px); box-shadow: 0 8px 20px rgba(0,0,0,.12); }
.card-icone { font-size: 2.5rem; margin-bottom: 10px; }
.card-modulo h3 { color: var(--cor); margin-bottom: 8px; }
.card-modulo p { font-size: .95rem; color: #555; flex-grow: 1; }
.card-link { margin-top: 15px; font-weight: 600; color: var(--cor); }

/* FEATURES */
.grid-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 25px;
}
.feature { text-align: center; padding: 20px; }
.feature-icon { font-size: 3rem; margin-bottom: 10px; }
.feature h3 { color: var(--primary); margin-bottom: 8px; }

/* FOOTER */
.footer {
    background: var(--primary-dark);
    color: var(--white);
    text-align: center;
    padding: 25px 0;
}
.footer a { color: var(--accent); text-decoration: none; }

/* RESPONSIVO */
@media (max-width: 600px) {
    .hero h2 { font-size: 1.5rem; }
    .nav-menu { width: 100%; text-align: center; margin-top: 10px; }
    .nav-menu a { margin: 0 10px; }
}