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

/* Base */
html {
  font-size: 18px;
  line-height: 1.6;
  color: #1a1a1a;
  background: #fff;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: "Cantarell", -apple-system, BlinkMacSystemFont, "Segoe UI",
    Roboto, "Helvetica Neue", Arial, sans-serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Container */
.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 1.5rem;
  width: 100%;
}

/* Typography */
h1, h2, h3, h4 {
  line-height: 1.3;
  margin-bottom: 0.5em;
}

h1 { font-size: 1.75rem; }
h2 { font-size: 1.35rem; }
h3 { font-size: 1.1rem; }

p {
  margin-bottom: 1em;
}

a {
  color: #2a7ab5;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

hr {
  border: none;
  border-top: 1px solid #eee;
  margin: 2rem 0;
}

code, pre {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  font-size: 0.875rem;
}

pre {
  background: #f5f5f5;
  padding: 1rem;
  overflow-x: auto;
  border-radius: 4px;
  margin-bottom: 1em;
}

code {
  background: #f5f5f5;
  padding: 0.15em 0.35em;
  border-radius: 3px;
}

pre code {
  background: none;
  padding: 0;
}

ul, ol {
  margin-bottom: 1em;
  padding-left: 1.5em;
}

li {
  margin-bottom: 0.25em;
}

/* Header */
.site-header {
  padding: 1.5rem 0;
  border-bottom: 1px solid #eee;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-name {
  font-size: 1.15rem;
  font-weight: 700;
  color: #1a1a1a;
  text-decoration: none;
  letter-spacing: -0.02em;
}

.site-name:hover {
  text-decoration: none;
}

nav {
  display: flex;
  gap: 1.5rem;
}

nav a {
  color: #555;
  font-size: 0.9rem;
}

nav a:hover,
nav a.active {
  color: #1a1a1a;
}

/* Main */
main {
  flex: 1;
  padding: 3rem 0;
}

/* Hero (homepage intro) */
.hero {
  margin-bottom: 3rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid #eee;
}

/* Projects */
.project-item {
  margin-bottom: 2rem;
}

.project-item h3 {
  margin-bottom: 0.15rem;
}

.project-item p {
  margin-top: 0.4rem;
  color: #555;
  font-size: 0.95rem;
}

/* Article meta (date/author) */
.meta {
  color: #888;
  font-size: 0.85rem;
  margin-bottom: 1em;
}

/* Page list (articles) */
.page-item {
  margin-bottom: 2rem;
}

.page-item h2 {
  margin-bottom: 0.15rem;
}

/* Note blocks */
.note {
  background: #f5f5f5;
  border-left: 3px solid #2a7ab5;
  padding: 1rem 1.25rem;
  margin: 1.5rem 0;
  font-size: 0.9rem;
  color: #555;
}

.note p:last-child {
  margin-bottom: 0;
}

/* Article */
article h2 {
  margin-top: 2rem;
}

article h3 {
  margin-top: 1.5rem;
}

/* Footer */
.site-footer {
  padding: 2rem 0;
  border-top: 1px solid #eee;
  margin-top: auto;
}

.site-footer p {
  color: #888;
  font-size: 0.85rem;
  margin-bottom: 0;
}

/* Mobile */
@media (max-width: 640px) {
  html {
    font-size: 16px;
  }

  .site-header .container {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }

  nav {
    gap: 1rem;
  }

  main {
    padding: 2rem 0;
  }
}