/* ravikiran.us — site stylesheet */
html, body { height: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial;
  line-height: 1.6; margin: 0; background: #fff; color: #111;
}
.container { max-width: 760px; margin: 0 auto; padding: 24px; }

/* ── Header ── */
header { background: #f8f8f8; border-bottom: 1px solid #eee; }
header .container { display: flex; flex-direction: column; align-items: flex-start; }
header h1 { margin: 12px 0 0; font-size: 22px; }
header h1 a { color: #111; text-decoration: none; }
header .tagline { margin: 0 0 12px; color: #666; font-size: 14px; }
@media (min-width: 760px) {
  header .container { flex-direction: row; justify-content: space-between; align-items: center; }
}

/* ── Links ── */
a { color: #0366d6; text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Post lists ── */
.post-list { list-style: none; padding: 0; margin: 0; }
.post-list li { padding: 8px 0; border-bottom: 1px solid #f0f0f0; }
time { display: block; color: #888; font-size: 13px; }
.section-note { color: #888; font-style: italic; font-size: 14px; margin-bottom: 16px; }

/* ── Post pages ── */
.post-header h2 { margin-bottom: 4px; }
.post-tags { margin-top: 6px; }
.tag {
  display: inline-block; background: #f0f0f0; color: #555;
  border-radius: 3px; padding: 2px 8px; font-size: 12px; margin-right: 4px;
}
.post-content { margin: 24px 0; }
.post-nav { margin-top: 32px; padding-top: 16px; border-top: 1px solid #eee; font-size: 14px; }
img { max-width: 100%; height: auto; }

/* ── Footer ── */
footer { border-top: 1px solid #eee; padding: 24px; text-align: center; color: #666; font-size: 13px; }

/* ── Profile page — About ── */
.section-about { padding-top: 32px; padding-bottom: 8px; }
.bio { font-size: 17px; line-height: 1.7; max-width: 640px; color: #333; }
.cta-links { margin-top: 20px; display: flex; gap: 10px; flex-wrap: wrap; }
.btn {
  display: inline-block; padding: 9px 18px; border-radius: 5px;
  background: #0366d6; color: #fff; font-size: 14px; font-weight: 500;
  text-decoration: none; transition: background 0.15s;
}
.btn:hover { background: #0256b9; text-decoration: none; }
.btn-outline {
  background: #fff; color: #0366d6; border: 1px solid #0366d6;
}
.btn-outline:hover { background: #f0f6ff; }

/* ── Profile page — Work ── */
.section-work { padding-top: 40px; }
.section-work h2 { margin-bottom: 20px; }
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
  margin-bottom: 16px;
}
.card {
  border: 1px solid #e1e4e8; border-radius: 6px;
  padding: 18px 20px; background: #fafafa;
}
.card h3 { margin: 0 0 8px; font-size: 15px; }
.card p { margin: 0; font-size: 14px; color: #555; line-height: 1.5; }
.section-more { font-size: 14px; margin-top: 8px; }

/* ── Profile page — Writing ── */
.section-writing { padding-top: 40px; padding-bottom: 48px; }
.section-writing h2 { margin-bottom: 20px; }
.writing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 14px;
}
.writing-card {
  display: block; border: 1px solid #e1e4e8; border-radius: 6px;
  padding: 16px 18px; text-decoration: none; color: inherit;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.writing-card:hover {
  border-color: #0366d6; box-shadow: 0 2px 8px rgba(3,102,214,0.1);
  text-decoration: none;
}
.writing-card h3 { margin: 0 0 6px; font-size: 15px; color: #0366d6; }
.writing-card p { margin: 0; font-size: 13px; color: #666; line-height: 1.4; }

/* ── Profile page — AI Projects ── */
.section-projects { padding-top: 40px; padding-bottom: 48px; }
.section-projects h2 { margin-bottom: 20px; }

/* ── Nav home link ── */
.nav-home { font-size: 14px; }