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

html { font-size: 18px; }

body {
  font-family: Georgia, 'Times New Roman', serif;
  background: #fff;
  color: #1a1a1a;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }
a:hover { opacity: 0.65; }

/* ── NAV ── */
nav {
  border-bottom: 1px solid #e8e8e8;
  padding: 0 1.5rem;
}
.nav-inner {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
}
.nav-brand {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  text-decoration: none;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}
.nav-links {
  display: flex;
  gap: 1.75rem;
  list-style: none;
}
.nav-links a {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 0.85rem;
  text-decoration: none;
  color: #555;
  letter-spacing: 0.01em;
}
.nav-links a:hover { color: #1a1a1a; opacity: 1; }

/* ── MAIN ── */
main {
  max-width: 720px;
  margin: 0 auto;
  padding: 3rem 1.5rem 5rem;
}

/* ── HOME ── */
.home-bio {
  margin-bottom: 4rem;
}
.home-bio p {
  font-size: 1.15rem;
  color: #222;
  line-height: 1.75;
  margin-bottom: 1rem;
}
.home-bio a { text-decoration: underline; text-decoration-color: #ccc; }
.home-bio a:hover { text-decoration-color: #999; opacity: 1; }

.section-heading {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #999;
  margin-bottom: 1.5rem;
}

/* ── POST LIST ── */
.post-list { list-style: none; }
.post-list li {
  border-bottom: 1px solid #f0f0f0;
  padding: 1.5rem 0;
  position: relative;
  cursor: pointer;
}
.post-list li:first-child { border-top: 1px solid #f0f0f0; }
.post-list li:hover { opacity: 0.7; }

.post-title {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1.35;
  margin-bottom: 0.35rem;
  letter-spacing: -0.01em;
}
.post-title a { text-decoration: none; }
.post-title a::after {
  content: '';
  position: absolute;
  inset: 0;
}

.post-meta {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 0.8rem;
  color: #999;
  margin-bottom: 0.5rem;
}
.post-excerpt {
  font-size: 0.95rem;
  color: #555;
  line-height: 1.6;
}

.view-all {
  display: inline-block;
  margin-top: 2rem;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 0.9rem;
  color: #555;
  text-decoration: none;
  border-bottom: 1px solid #ddd;
  padding-bottom: 2px;
}
.view-all:hover { color: #1a1a1a; border-color: #999; opacity: 1; }

/* ── SINGLE POST ── */
.post-header {
  margin-bottom: 2.5rem;
}
.post-header h1 {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.03em;
  margin-bottom: 0.75rem;
}
.post-header .post-date {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 0.85rem;
  color: #999;
}

.post-body {
  font-size: 1.05rem;
  line-height: 1.78;
  color: #222;
}
.post-body p { margin-bottom: 1.4rem; }
.post-body h1, .post-body h2, .post-body h3 {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  margin: 2rem 0 0.75rem;
  letter-spacing: -0.02em;
}
.post-body h2 { font-size: 1.4rem; }
.post-body h3 { font-size: 1.15rem; }
.post-body ul, .post-body ol {
  padding-left: 1.5rem;
  margin-bottom: 1.4rem;
}
.post-body li { margin-bottom: 0.4rem; }
.post-body a { text-decoration: underline; text-decoration-color: #bbb; }
.post-body a:hover { text-decoration-color: #666; opacity: 1; }
.post-body strong { font-weight: 600; }
.post-body em { font-style: italic; }
.post-body blockquote {
  border-left: 3px solid #e0e0e0;
  padding-left: 1.25rem;
  color: #555;
  margin: 1.5rem 0;
  font-style: italic;
}
.post-body figure { margin: 2rem 0; }
.post-body img { max-width: 100%; border-radius: 4px; }
.post-body hr { border: none; border-top: 1px solid #e8e8e8; margin: 2.5rem 0; }

.post-nav {
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid #f0f0f0;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}
.post-nav a {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 0.85rem;
  color: #555;
  text-decoration: none;
}
.post-nav a:hover { color: #1a1a1a; opacity: 1; }

/* ── BLOG INDEX ── */
.blog-header {
  margin-bottom: 2.5rem;
}
.blog-header h1 {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.03em;
}

/* ── SIMPLE PAGES ── */
.page-body {
  font-size: 1.05rem;
  line-height: 1.78;
}
.page-body p { margin-bottom: 1.2rem; }
.page-body h3 {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 1.1rem;
  margin: 1.5rem 0 0.5rem;
}
.page-body a { text-decoration: underline; text-decoration-color: #bbb; }
.page-body a:hover { text-decoration-color: #666; opacity: 1; }
.page-body strong { font-weight: 600; }
.page-body ul { padding-left: 1.25rem; margin-bottom: 1.5rem; }
.page-body ul li { margin-bottom: 0.4rem; }
.page-header { margin-bottom: 2.5rem; }
.page-header h1 {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.03em;
}
.page-header h1 a { text-decoration: none; }
.page-header h1 a:hover { opacity: 0.65; }

/* ── FOOTER ── */
footer {
  border-top: 1px solid #e8e8e8;
  padding: 2rem 1.5rem;
  text-align: center;
}
footer p {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 0.8rem;
  color: #bbb;
}
footer a { color: #999; text-decoration: none; }
footer a:hover { color: #555; }

/* ── SEARCH ── */
.search-wrap {
  position: relative;
  margin-left: 1.25rem;
  width: 200px;
  flex-shrink: 0;
  display: flex;
  justify-content: flex-end;
}
.search-input {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 0.8rem;
  border: 1px solid #e0e0e0;
  border-radius: 20px;
  padding: 0.25rem 0.75rem 0.25rem 1.85rem;
  width: 110px;
  outline: none;
  background: #f7f7f7 url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='13' height='13' viewBox='0 0 24 24' fill='none' stroke='%23999' stroke-width='2'%3E%3Ccircle cx='11' cy='11' r='8'/%3E%3Cpath d='m21 21-4.35-4.35'/%3E%3C/svg%3E") no-repeat 0.6rem center;
  transition: width 0.2s, border-color 0.2s;
  color: #1a1a1a;
}
.search-input:focus {
  width: 195px;
  border-color: #bbb;
  background-color: #fff;
}
.search-input::placeholder { color: #aaa; }

.search-results {
  display: none;
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  width: 320px;
  background: #fff;
  border: 1px solid #e8e8e8;
  border-radius: 8px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  z-index: 100;
  overflow: hidden;
  max-height: 400px;
  overflow-y: auto;
}
.search-results.active { display: block; }
.search-result-item {
  display: block;
  padding: 0.85rem 1rem;
  text-decoration: none;
  border-bottom: 1px solid #f5f5f5;
  color: inherit;
}
.search-result-item:last-child { border-bottom: none; }
.search-result-item:hover { background: #f9f9f9; opacity: 1; }
.search-result-title {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 0.2rem;
  color: #1a1a1a;
}
.search-result-date {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 0.75rem;
  color: #999;
}
.search-no-results {
  padding: 1rem;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 0.85rem;
  color: #999;
  text-align: center;
}

/* ── RESPONSIVE ── */

/* Tablet: compress nav slightly */
@media (max-width: 800px) {
  .nav-links { gap: 1.1rem; }
  .nav-links a { font-size: 0.8rem; }
  .search-wrap { width: 170px; }
  .search-input { width: 100px; }
  .search-input:focus { width: 160px; }
}

/* Mobile: two-row nav, hide search in nav */
@media (max-width: 600px) {
  html { font-size: 16px; }

  nav { padding: 0; }
  .nav-inner {
    flex-wrap: wrap;
    height: auto;
    padding: 0.75rem 1rem 0;
    gap: 0;
  }
  .nav-brand {
    flex: 1;
    padding-bottom: 0.6rem;
  }
  .search-wrap {
    order: 3;
    width: 100%;
    margin: 0;
    padding: 0.5rem 1rem;
    border-top: 1px solid #f0f0f0;
    justify-content: flex-start;
  }
  .search-input { width: 100%; }
  .search-input:focus { width: 100%; }
  .search-results { width: 100%; left: 0; right: 0; }

  .nav-links {
    order: 2;
    gap: 1.1rem;
    padding-bottom: 0.6rem;
  }
  .nav-links a { font-size: 0.8rem; }

  main { padding: 2rem 1rem 4rem; }
  .home-bio p { font-size: 1rem; }
  .post-header h1, .blog-header h1, .page-header h1 { font-size: 1.5rem; }
  .post-body { font-size: 1rem; }
}