/* Variables */
:root {
  --primary-color: #2c3e50;
  --secondary-color: #3498db;
  --text-color: #333;
  --bg-color: #ffffff;
  --gray-light: #ecf0f1;
  --gray-medium: #95a5a6;
  --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: "Courier New", monospace;
}

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

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

/* Wrapper */
.wrapper {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
.site-header {
  background: var(--primary-color);
  color: white;
  padding: 1rem 0;
  margin-bottom: 2rem;
}

.site-title {
  color: white;
  text-decoration: none;
  font-size: 1.5rem;
  font-weight: bold;
}

.site-nav {
  float: right;
  margin-top: 0.5rem;
}

.site-nav a {
  color: white;
  text-decoration: none;
  margin-left: 1.5rem;
  transition: color 0.3s;
}

.site-nav a:hover {
  color: var(--secondary-color);
}

/* Main content */
main {
  min-height: calc(100vh - 400px);
  margin-bottom: 3rem;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--primary-color);
  margin-top: 1.5rem;
  margin-bottom: 0.75rem;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }

p {
  margin-bottom: 1rem;
}

a {
  color: var(--secondary-color);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

ul, ol {
  margin-left: 2rem;
  margin-bottom: 1rem;
}

/* Posts */
.post-header, .page-header, .cv-header {
  margin-bottom: 2rem;
  border-bottom: 2px solid var(--gray-light);
  padding-bottom: 1rem;
}

.post-title, .page-title, .cv-title {
  margin-bottom: 0.5rem;
}

.post-meta {
  color: var(--gray-medium);
  font-size: 0.9rem;
}

.post-excerpt {
  font-size: 1.1rem;
  color: var(--gray-medium);
  font-style: italic;
  margin-top: 1rem;
}

.post-content, .page-content, .cv-content {
  font-size: 1.1rem;
  line-height: 1.8;
}

.post-content code, .page-content code {
  background: var(--gray-light);
  padding: 2px 6px;
  border-radius: 3px;
  font-family: var(--font-mono);
  font-size: 0.9em;
}

.post-content pre, .page-content pre {
  background: var(--gray-light);
  padding: 1rem;
  border-radius: 5px;
  overflow-x: auto;
  margin: 1.5rem 0;
}

.post-tags {
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--gray-light);
}

.tag {
  display: inline-block;
  background: var(--gray-light);
  padding: 0.25rem 0.75rem;
  border-radius: 15px;
  margin-right: 0.5rem;
  font-size: 0.9rem;
}

.post-navigation {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 2px solid var(--gray-light);
}

/* Blog index */
.post-list {
  list-style: none;
  margin-left: 0;
}

.post-list-item {
  margin-bottom: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--gray-light);
}

.post-list-item:last-child {
  border-bottom: none;
}

.post-list-title {
  font-size: 1.75rem;
  margin-bottom: 0.5rem;
}

/* CV specific */
.cv-content h2 {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--gray-light);
}

.cv-content h3 {
  margin-top: 1.5rem;
  color: var(--secondary-color);
}

.cv-download {
  margin-top: 3rem;
  padding: 1.5rem;
  background: var(--gray-light);
  border-radius: 5px;
  text-align: center;
}

/* Footer */
.site-footer {
  background: var(--primary-color);
  color: white;
  padding: 2rem 0 1rem;
  margin-top: 4rem;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-col h3 {
  color: white;
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.footer-col p {
  font-size: 0.9rem;
  line-height: 1.6;
}

.footer-col a {
  color: var(--secondary-color);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.2);
  padding-top: 1rem;
  font-size: 0.85rem;
  text-align: center;
}

.aeo-note {
  font-style: italic;
  opacity: 0.8;
}

/* Responsive */
@media (max-width: 768px) {
  .site-nav {
    float: none;
    margin-top: 1rem;
  }

  .site-nav a {
    display: block;
    margin: 0.5rem 0;
  }

  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }
  h3 { font-size: 1.25rem; }
}