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

:root {
  --bg: #ffffff;
  --text: #222222;
  --muted: #777777;
  --border: #dddddd;
  --accent: #008cba;
  --accent-hover: #0078a0;
  --topbar: #1A1B47;
  --topbar-hover: #2d2f6b;
  --panel-bg: #f2f2f2;
  --panel-border: #d8d8d8;
  --callout-bg: #ecfaff;
  --callout-border: #b6e2f2;
  --code-bg: #f8f8f8;
  --wrap: 1000px;
  --font: "Helvetica Neue", Helvetica, Roboto, Arial, sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.6;
  font-weight: 400;
}

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 1rem; }

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); text-decoration: underline; }

/* TOP BAR (Xania-style) */
.top-bar { background: var(--topbar); position: sticky; top: 0; z-index: 100; }
.top-bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  min-height: 45px;
  gap: 0.5rem 1.5rem;
  padding-top: 0.4rem;
  padding-bottom: 0.4rem;
}
.top-bar-title {
  color: #ffffff;
  font-size: 1.1rem;
  font-weight: 400;
}
.top-bar-title:hover { color: #ffffff; text-decoration: none; }
.top-bar-nav { display: flex; list-style: none; gap: 0.25rem; flex-wrap: wrap; }
.top-bar-nav a {
  display: block;
  color: #ffffff;
  padding: 0.4rem 0.9rem;
  font-size: 0.95rem;
  border-radius: 2px;
}
.top-bar-nav a:hover { background: var(--topbar-hover); color: #ffffff; text-decoration: none; }
.top-bar-nav a.active { background: var(--topbar-hover); }

/* HEADINGS */
h1, h2, h3 { font-weight: 400; color: var(--text); line-height: 1.3; }

/* INTRO */
.intro { margin: 2rem 0 1rem; }
.intro p { color: var(--text); font-size: 1.05rem; }

/* SECTION HEADINGS */
.section-heading {
  font-size: 1.6rem;
  margin: 2.5rem 0 1rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--border);
}

/* POST FEED */
.post-list { display: flex; flex-direction: column; }
.post { padding: 1.75rem 0 0.5rem; }
.post:first-child { padding-top: 1rem; }
.post-title { font-size: 1.7rem; margin-bottom: 0.5rem; line-height: 1.2; }
.post-title a { color: var(--text); }
.post-title a:hover { color: var(--accent); text-decoration: none; }
.post-excerpt { margin-bottom: 0.6rem; }
.post-more { font-weight: 400; }

/* POST META PANEL (Xania grey strip) */
.post-meta {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 3px;
  padding: 0.5rem 0.85rem;
  margin: 0.75rem 0 0;
  font-size: 0.85rem;
  color: var(--muted);
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.25rem;
  align-items: baseline;
}
.post-meta a { font-size: 0.85rem; }
.post-sep { border: none; border-top: 1px solid var(--border); margin: 1.5rem 0; }

/* PROJECTS */
.project { padding: 1.5rem 0; border-bottom: 1px solid var(--border); }
.project:first-child { padding-top: 0.5rem; }
.project h3 { font-size: 1.35rem; margin-bottom: 0.35rem; }
.project p { margin-bottom: 0.6rem; }
.project-tags { display: flex; gap: 0.4rem; flex-wrap: wrap; }
.tag {
  font-size: 0.75rem;
  padding: 0.15rem 0.6rem;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  color: var(--muted);
  border-radius: 3px;
}

/* ABOUT / CALLOUT */
.callout {
  background: var(--callout-bg);
  border: 1px solid var(--callout-border);
  border-radius: 3px;
  padding: 1.25rem 1.5rem;
  margin-top: 1rem;
}
.callout h2 { font-size: 1.4rem; margin-bottom: 0.5rem; padding: 0; border: none; }
.callout p { margin-bottom: 0.75rem; }
.contact-links { display: flex; gap: 1.5rem; flex-wrap: wrap; }

/* FULL ARTICLE */
.post-full { max-width: 720px; }
.post-full h1 { font-size: 2.3rem; margin: 1.5rem 0 0.4rem; line-height: 1.15; }
.article-meta { color: var(--muted); font-size: 0.9rem; margin-bottom: 2rem; display: flex; gap: 1.25rem; }
.post-full h2 { font-size: 1.6rem; margin: 2rem 0 0.9rem; }
.post-full p { margin-bottom: 1.1rem; }
.post-full ul { padding-left: 1.5rem; margin-bottom: 1.1rem; }
.post-full li { margin-bottom: 0.3rem; }
code {
  font-family: Consolas, "Liberation Mono", Menlo, Courier, monospace;
  font-size: 0.88em;
  background: var(--code-bg);
  border: 1px solid var(--border);
  color: #333;
  padding: 0.05rem 0.35rem;
  border-radius: 3px;
}
pre {
  background: var(--code-bg);
  border: 1px solid var(--border);
  color: #333;
  padding: 1rem 1.1rem;
  border-radius: 3px;
  overflow-x: auto;
  margin: 1.25rem 0;
  font-size: 0.85rem;
  line-height: 1.5;
}
pre code { background: none; border: none; padding: 0; color: inherit; font-size: inherit; }
.back-link { display: inline-block; margin: 1.5rem 0; }

/* FOOTER */
footer {
  margin-top: 3rem;
  padding: 1.25rem 0 2.5rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--muted);
}

@media (max-width: 640px) {
  .top-bar-inner { flex-direction: column; align-items: flex-start; }
  footer { flex-direction: column; gap: 0.4rem; }
}