/* Reset e Variáveis */
:root {
    --bg-color: #fafafa;
    --text-color: #1a1a1a;
    --text-light: #666;
    --accent: #333;
    --border: #e5e5e5;
    --font-main: 'Inter', sans-serif;
    --max-width: 900px;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; color: inherit; transition: opacity 0.2s; }
a:hover { opacity: 0.7; }

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 2rem;
}

/* Header */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2rem 0;
    margin-bottom: 4rem;
}

.logo { font-weight: 700; font-size: 1.2rem; letter-spacing: -0.5px; }

nav a { margin-left: 2rem; font-size: 0.9rem; color: var(--text-light); }
nav a.btn-contact { color: var(--text-color); font-weight: 600; }

/* Hero Section */
.hero { margin-bottom: 6rem; }
.greeting { display: block; color: var(--text-light); margin-bottom: 1rem; font-size: 0.9rem; }
.hero h1 { font-size: 2.5rem; line-height: 1.2; font-weight: 600; margin-bottom: 1.5rem; letter-spacing: -1px; }
.bio { color: var(--text-light); max-width: 500px; }

/* Títulos de Seção */
.section-title {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-light);
    margin-bottom: 2rem;
    border-bottom: 1px solid var(--border);
    padding-bottom: 1rem;
    display: inline-block;
}

/* Projetos */
#projetos { margin-bottom: 6rem; }
.project-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 2rem; }
.project-card { 
    background: #fff; 
    padding: 2rem; 
    border: 1px solid var(--border); 
    border-radius: 4px;
}
.project-card h3 { margin-bottom: 0.5rem; font-size: 1.1rem; }
.project-card p { font-size: 0.9rem; color: var(--text-light); }

/* Blog */
#blog { margin-bottom: 6rem; }
.post-item {
    padding: 2rem 0;
    border-bottom: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.post-date { font-size: 0.8rem; color: var(--text-light); }
.post-title { font-size: 1.5rem; font-weight: 500; cursor: pointer; }
.post-excerpt { color: var(--text-light); font-size: 1rem; margin-top: 0.5rem; }
.loading { color: var(--text-light); font-style: italic; }

/* Footer */
footer { padding: 4rem 0; border-top: 1px solid var(--border); text-align: center; }
footer h2 { margin-bottom: 1rem; font-size: 1.5rem; }
.email-link { font-size: 1.2rem; border-bottom: 1px solid var(--text-color); }
.socials { margin: 2rem 0; }
.socials a { margin: 0 1rem; font-size: 0.9rem; }
.copyright { font-size: 0.8rem; color: var(--text-light); }

/* Responsivo */
@media (max-width: 600px) {
    .hero h1 { font-size: 2rem; }
    header { flex-direction: column; gap: 1rem; }
    nav a { margin: 0 10px; }
}