/* =================================================================
   GERADOR GRÁTIS - STYLE.CSS (DESIGN FINAL)
   ================================================================= */

/* --- 1. Variáveis e Configurações Globais --- */
:root {
    --color-bg: #f4f7f9;
    --color-surface: #ffffff;
    --color-text: #2c3e50;
    --color-text-muted: #7f8c8d;
    --color-border: #e4e7eb;
    --color-accent: #3498db;
    --color-accent-hover: #2980b9;
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --font-mono: 'Roboto Mono', monospace;
    --border-radius: 8px;
    --container-width: 1320px;
    --transition-speed: 0.2s;
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
}

/* --- 2. Reset e Estilos Base --- */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font-primary);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
}

/* --- 3. Layout Principal --- */
.container { width: 100%; max-width: var(--container-width); margin: 0 auto; padding: 0 1.5rem; }
.page-content { padding: 2rem 0; }

.main-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 2.5rem;
}
.sidebar-column { align-self: flex-start; position: sticky; top: 90px; }
.content-column { min-width: 0; }

/* --- 4. Cabeçalho e Navegação --- */
.main-header { background-color: rgba(255, 255, 255, 0.85); backdrop-filter: blur(10px); border-bottom: 1px solid var(--color-border); padding: 1rem 0; position: sticky; top: 0; z-index: 100; }
.main-header .container { display: flex; justify-content: space-between; align-items: center; }
.logo span { font-size: 1.6rem; font-weight: 700; text-decoration: none; color: var(--color-text); }
.main-nav { display: flex; align-items: center; gap: 1rem; }
.main-nav a, .nav-link { color: var(--color-text-muted); text-decoration: none; font-weight: 600; padding: 0.5rem 0.75rem; border-radius: 6px; transition: all var(--transition-speed) ease; }
.main-nav a:hover, .nav-link:hover { color: var(--color-accent); background-color: #eaf5fc; }
.dropdown { position: relative; }
.nav-link { background: none; border: none; font-family: inherit; font-size: 1rem; cursor: pointer; }
.dropdown-content { display: none; position: absolute; top: 110%; left: 0; background-color: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--border-radius); min-width: 260px; box-shadow: var(--shadow); padding: 0.5rem; z-index: 101; opacity: 0; transform: translateY(10px); transition: all var(--transition-speed) ease; }
.dropdown:hover .dropdown-content { display: block; opacity: 1; transform: translateY(0); }
.dropdown-content a { color: var(--color-text); padding: 0.75rem 1rem; text-decoration: none; display: block; border-radius: 6px; }
.dropdown-content a:hover { background-color: #f1f3f5; color: var(--color-accent); }
#mobile-menu-toggle { display: none; }

/* --- 5. Barra Lateral (Sidebar) --- */
.sidebar-widget { margin-bottom: 2rem; }
.sidebar-widget h4, .sidebar-category-title { font-size: 0.8rem; color: var(--color-text-muted); margin-bottom: 1rem; text-transform: uppercase; letter-spacing: 1px; font-weight: 700; }
.popular-tools-list { list-style: none; }
.sidebar-category-title { padding: 0 0.5rem; }
.popular-tools-list li a { display: block; padding: 0.6rem 0.5rem; color: var(--color-text); text-decoration: none; border-radius: 6px; transition: all var(--transition-speed) ease; font-size: 0.95rem; font-weight: 500; }
.popular-tools-list li a:hover { color: var(--color-accent); background-color: #eaf5fc; }

/* --- 6. Conteúdo (Página Inicial e Ferramentas) --- */
.welcome-box, .about-section, .tool-wrapper { background-color: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--border-radius); padding: 2rem; box-shadow: var(--shadow); }
.welcome-box { margin-bottom: 2.5rem; }
.about-section { margin-top: 2.5rem; }
h1 { font-size: 2.25rem; margin-bottom: 0.75rem; color: var(--color-text); }
h2, .content-section-title { font-size: 1.5rem; margin-bottom: 1.5rem; padding-bottom: 0.5rem; border-bottom: 1px solid var(--color-border); }
p { color: var(--color-text-muted); }

.home-cards-container { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.5rem; }
.home-card { display: block; background-color: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--border-radius); text-decoration: none; overflow: hidden; box-shadow: var(--shadow); transition: all var(--transition-speed) ease; }
.home-card:hover { transform: translateY(-5px); box-shadow: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1); border-color: var(--color-accent); }
.home-card-img { width: 100%; height: 140px; overflow: hidden; background-color: #eee; }
.home-card-img img { width: 100%; height: 100%; object-fit: cover; }
.home-card-title { padding: 1rem; font-weight: 600; font-size: 1.1rem; color: var(--color-text); }

/* --- 7. Rodapé e Responsividade --- */
.main-footer { background-color: var(--color-surface); border-top: 1px solid var(--color-border); padding: 2rem 0; margin-top: 3rem; text-align: center; color: var(--color-text-muted); }
@media (max-width: 992px) { .main-layout { grid-template-columns: 1fr; } .sidebar-column { position: static; } }
@media (max-width: 768px) { .main-nav { display: none; } #mobile-menu-toggle { display: block; /* ... */ } }