/* --- 1. CONFIGURAÇÕES GERAIS E CORES --- */
:root {
    --cor-fundo: #f4f7fc;
    --cor-card: #ffffff;
    --cor-texto: #333333;
    --cor-titulo: #0056b3;
    --cor-borda: #d1d9e6;
    --cor-destaque: #007bff;
    --cor-header: rgba(255, 255, 255, 0.95);
    --gradiente-hero: linear-gradient(135deg, #0056b3, #00d4ff);
}

body.dark-mode {
    --cor-fundo: #051024;
    --cor-card: #0d1b33;
    --cor-texto: #b0c4de;
    --cor-titulo: #00d4ff;
    --cor-borda: #1f3a60;
    --cor-destaque: #00d4ff;
    --cor-header: rgba(5, 16, 36, 0.95);
    --gradiente-hero: linear-gradient(135deg, #051024, #0f2c5e);
}

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

body {
    background-color: var(--cor-fundo);
    color: var(--cor-texto);
    font-family: 'Poppins', sans-serif;
    transition: background-color 0.3s, color 0.3s;
}

/* --- 2. HEADER (CABEÇALHO) --- */
.header {
    display: flex; justify-content: space-between; align-items: center;
    padding: 20px 5%; background-color: var(--cor-header);
    border-bottom: 1px solid var(--cor-borda); position: sticky; top: 0; z-index: 100;
    backdrop-filter: blur(10px);
}
.logo { font-size: 1.5rem; font-weight: 700; color: var(--cor-titulo); }
.logo span { color: #ffcc00; }
.navbar a { color: var(--cor-texto); text-decoration: none; margin: 0 15px; font-weight: 500; transition: 0.3s; }
.navbar a:hover, .navbar a.active { color: var(--cor-destaque); }
.header-actions { display: flex; gap: 15px; align-items: center; }
.btn-theme { background: none; border: 1px solid var(--cor-borda); padding: 8px; border-radius: 50%; cursor: pointer; font-size: 1.2rem; }
.btn-cta { background-color: #27a4dd; color: white; padding: 8px 20px; border-radius: 5px; text-decoration: none; font-weight: 600; }

/* --- 3. HERO SECTION (ÁREA DE PESQUISA) --- */
.hero-home {
    background: var(--gradiente-hero);
    padding: 80px 20px; text-align: center; color: white;
}
.hero-content h1 { font-size: 2.5rem; margin-bottom: 15px; }
.hero-content p { font-size: 1.1rem; opacity: 0.9; margin-bottom: 30px; }

/* BARRA DE PESQUISA */
.search-box {
    background: white; padding: 8px; border-radius: 50px;
    display: flex; max-width: 600px; margin: 0 auto;
    box-shadow: 0 4px 20px rgba(0,0,0,0.2);
}
.search-box input {
    flex: 1; border: none; padding: 10px 20px; font-size: 1rem; outline: none; border-radius: 50px;
}
.btn-search {
    background-color: #27a4dd; color: white; border: none; padding: 10px 25px;
    border-radius: 50px; cursor: pointer; font-weight: 600; transition: 0.3s;
}
.btn-search:hover { background-color: #1e8bbd; }

/* --- 4. SLIDER DE TRILHAS (A PARTE QUE VOCÊ MANDOU) --- */
.container { max-width: 1200px; margin: 0 auto; padding: 60px 20px; }
.header-section-row { display: flex; justify-content: space-between; align-items: center; margin-bottom: 30px; }
.section-title { color: var(--cor-titulo); font-size: 2rem; }

.slider-nav { display: flex; gap: 10px; }

.nav-btn {
    background-color: transparent; border: 1px solid var(--cor-borda); color: var(--cor-titulo);
    width: 40px; height: 40px; border-radius: 50%; cursor: pointer;
    transition: 0.3s; display: flex; align-items: center; justify-content: center;
}
.nav-btn:hover { background-color: var(--cor-destaque); color: white; border-color: var(--cor-destaque); }

.slider-wrapper { overflow: hidden; padding: 10px 0 20px 0; }

.slider-track {
    display: flex; gap: 25px; overflow-x: auto; scroll-behavior: smooth;
    scroll-snap-type: x mandatory; padding-bottom: 10px;
    -ms-overflow-style: none; scrollbar-width: none;
}
.slider-track::-webkit-scrollbar { display: none; }

.feature-card {
    min-width: 300px; max-width: 300px; height: 320px;
    scroll-snap-align: start;
    background-color: var(--cor-card); padding: 30px;
    border-radius: 15px; border: 1px solid var(--cor-borda);
    transition: transform 0.3s, border-color 0.3s;
    display: flex; flex-direction: column; justify-content: space-between;
}
.feature-card:hover { transform: translateY(-5px); border-color: var(--cor-destaque); }

.icon-box { font-size: 2.5rem; color: var(--cor-destaque); }
.feature-card h3 { margin-top: 15px; font-size: 1.2rem; color: var(--cor-titulo); }
.feature-card p { font-size: 0.95rem; }
.link-arrow { color: var(--cor-destaque); text-decoration: none; font-weight: 600; }
.link-arrow:hover { text-decoration: underline; }

/* --- 5. FOOTER --- */
footer { text-align: center; padding: 40px; border-top: 1px solid var(--cor-borda); margin-top: 50px; }
.footer-social { margin-top: 1