:root{
  --bg: #fafafa;
  --text: #111;
  --muted: #666;
  --border: #e6e6e6;
  --link: #111;
}

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

body{
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.7 system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
}

/* Layout */
.container{
  max-width: 720px;
  margin: 0 auto;
  padding: 0 18px;
}

/* Header */
.header{
  position: sticky;
  top: 0;
  background: rgba(250,250,250,0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  z-index: 10;
}

.header-inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
}

/* Brand */
.brand-wrap{
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.brand{
  font-weight: 600;
  font-size: 18px;
  text-decoration: none;
  color: var(--text);
}

.subtitle{
  font-size: 13px;
  color: var(--muted);
  margin-top: 2px;
}

/* Navegación */
.nav a{
  margin-left: 14px;
  text-decoration: none;
  color: var(--muted);
  font-size: 14px;
}

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

/* Intro */
.intro{
  padding: 18px 0 8px;
  color: var(--muted);
  font-size: 15px;
}

/* Feed */
.feed{
  padding: 10px 0 30px;
}

.feed-empty{
  color: var(--muted);
  font-size: 14px;
  padding: 10px 0;
}

.feed-section{
  padding: 8px 0 18px;
}

.section-title{
  margin: 14px 0 4px;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
}

/* Post cards */
.post-card{
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
}

.post-card h2,
.post-card h3{
  margin: 0 0 6px;
  font-size: 19px;
  font-weight: 600;
  line-height: 1.35;
}

.post-card h2 a,
.post-card h3 a{
  color: var(--link);
  text-decoration: none;
}

.post-card h2 a:hover,
.post-card h3 a:hover{
  text-decoration: underline;
}

.excerpt{
  margin: 0 0 8px;
  color: var(--muted);
  font-size: 15px;
}

/* Meta */
.meta{
  margin: 0;
  font-size: 13px;
  color: var(--muted);
}

/* Tags */
.tag{
  display: inline-block;
  padding: 2px 8px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--muted);
  font-size: 12px;
}

.tag-wrap .tag + .tag{
  margin-left: 6px;
}

/* Tono visual */
.tone-calm{
  border-left: 3px solid #d9d9d9;
  padding-left: 12px;
}

.tone-ink{
  border-left: 3px solid #bfbfbf;
  padding-left: 12px;
}

.tone-work{
  border-left: 3px solid #a8a8a8;
  padding-left: 12px;
}

.tone-now{
  border-left: 3px solid #8f8f8f;
  padding-left: 12px;
}

/* Footer */
.footer{
  padding: 24px 0 40px;
  color: var(--muted);
  font-size: 13px;
}

/* Responsive ligero (sin menú hamburguesa) */
@media (max-width: 600px){
  .header-inner{
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .nav a{
    margin-left: 0;
    margin-right: 12px;
  }
}