/* ── Annapurna Blog — Substack-inspired clean design ─────────────────── */
:root {
  --bg: #ffffff;
  --bg-subtle: #f7f7f5;
  --bg-hover: #f0f0ee;
  --text: #1a1a1a;
  --text-secondary: #4a4a4a;
  --text-muted: #888;
  --border: #e6e6e6;
  --border-strong: #d0d0d0;
  --accent: #1a8917;
  --accent-hover: #156b12;
  --accent-light: #e8f5e8;
  --font-serif: Georgia, 'Times New Roman', serif;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --max-width: 720px;
  --max-width-wide: 1080px;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

/* ── Header ─────────────────────────────────────────────────────────── */
.site-header {
  border-bottom: 1px solid var(--border);
  padding: 16px 0;
  position: sticky;
  top: 0;
  background: var(--bg);
  z-index: 100;
}

.site-header .header-inner {
  max-width: var(--max-width-wide);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-header .logo {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.3px;
}
.site-header .logo:hover { text-decoration: none; }

.site-header nav { display: flex; gap: 28px; align-items: center; }
.site-header nav a {
  color: var(--text-secondary);
  font-size: 15px;
  font-weight: 500;
}
.site-header nav a:hover { color: var(--text); text-decoration: none; }

.site-header .subscribe-btn {
  background: var(--accent);
  color: #fff;
  padding: 7px 16px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  border: none;
  cursor: pointer;
}
.site-header .subscribe-btn:hover { background: var(--accent-hover); text-decoration: none; }

/* ── Hero / Cover ───────────────────────────────────────────────────── */
.hero {
  text-align: center;
  padding: 80px 24px 60px;
  border-bottom: 1px solid var(--border);
}

.hero h1 {
  font-family: var(--font-serif);
  font-size: 42px;
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 16px;
}

.hero p {
  font-size: 19px;
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto 28px;
}

.hero .hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.hero .btn-primary {
  background: var(--accent);
  color: #fff;
  padding: 10px 24px;
  border-radius: 6px;
  font-size: 15px;
  font-weight: 600;
}
.hero .btn-primary:hover { background: var(--accent-hover); text-decoration: none; }

.hero .btn-secondary {
  color: var(--text-secondary);
  padding: 10px 24px;
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  font-size: 15px;
  font-weight: 500;
}
.hero .btn-secondary:hover { background: var(--bg-subtle); text-decoration: none; }

/* ── Article List ───────────────────────────────────────────────────── */
.article-list {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 40px 24px;
}

.article-list .section-title {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 32px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.article-card {
  padding: 28px 0;
  border-bottom: 1px solid var(--border);
}

.article-card:last-child { border-bottom: none; }

.article-card .meta {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 8px;
  display: flex;
  gap: 12px;
  align-items: center;
}

.article-card .tag {
  background: var(--accent-light);
  color: var(--accent);
  padding: 2px 10px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 600;
}

.article-card h2 {
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.3px;
  margin-bottom: 8px;
}

.article-card h2 a { color: var(--text); }
.article-card h2 a:hover { color: var(--accent); text-decoration: none; }

.article-card .excerpt {
  color: var(--text-secondary);
  font-size: 16px;
  line-height: 1.5;
}

.article-card .read-more {
  margin-top: 10px;
  font-size: 14px;
  font-weight: 600;
}

/* ── Article Page ───────────────────────────────────────────────────── */
.article-page {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 48px 24px 80px;
}

.article-page .back-link {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 32px;
  display: inline-block;
}
.article-page .back-link:hover { color: var(--text); text-decoration: none; }

.article-page .tag {
  background: var(--accent-light);
  color: var(--accent);
  padding: 3px 12px;
  border-radius: 4px;
  font-size: 13px;
  font-weight: 600;
  display: inline-block;
  margin-bottom: 16px;
}

.article-page h1 {
  font-family: var(--font-serif);
  font-size: 40px;
  font-weight: 700;
  letter-spacing: -0.5px;
  line-height: 1.2;
  margin-bottom: 16px;
}

.article-page .article-meta {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 40px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}

.article-page .article-body {
  font-family: var(--font-serif);
  font-size: 19px;
  line-height: 1.7;
  color: var(--text);
}

.article-page .article-body p { margin-bottom: 20px; }

.article-page .article-body h2 {
  font-family: var(--font-serif);
  font-size: 26px;
  font-weight: 700;
  margin-top: 36px;
  margin-bottom: 14px;
}

.article-page .article-body h3 {
  font-family: var(--font-sans);
  font-size: 20px;
  font-weight: 700;
  margin-top: 28px;
  margin-bottom: 12px;
}

.article-page .article-body strong { font-weight: 700; }

.article-page .article-body ul,
.article-page .article-body ol {
  margin: 16px 0 20px 24px;
}

.article-page .article-body li { margin-bottom: 8px; }

.article-page .article-body blockquote {
  border-left: 3px solid var(--accent);
  padding-left: 20px;
  margin: 24px 0;
  color: var(--text-secondary);
  font-style: italic;
}

.article-page .article-body code {
  font-family: 'SF Mono', Consolas, monospace;
  font-size: 15px;
  background: var(--bg-subtle);
  padding: 2px 6px;
  border-radius: 3px;
}

.article-page .article-body pre {
  background: var(--bg-subtle);
  padding: 16px 20px;
  border-radius: 6px;
  overflow-x: auto;
  margin: 20px 0;
  font-size: 14px;
  line-height: 1.5;
}

.article-page .article-body pre code {
  background: none;
  padding: 0;
}

.article-page .article-body a { color: var(--accent); }

.article-page .article-body hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 32px 0;
}

.article-page .article-footer {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  text-align: center;
}

.article-page .article-footer p {
  color: var(--text-muted);
  font-size: 14px;
  margin-bottom: 12px;
}

/* ── Posts Page (Short Posts) ───────────────────────────────────────── */
.posts-page {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 48px 24px 80px;
}

.posts-page h1 {
  font-family: var(--font-serif);
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 8px;
}

.posts-page .subtitle {
  color: var(--text-secondary);
  font-size: 17px;
  margin-bottom: 40px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}

.post-item {
  padding: 24px 0;
  border-bottom: 1px solid var(--border);
}

.post-item:last-child { border-bottom: none; }

.post-item .post-num {
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 600;
  margin-bottom: 6px;
}

.post-item .post-title {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
}

.post-item .post-body {
  color: var(--text-secondary);
  font-size: 16px;
  line-height: 1.6;
  white-space: pre-wrap;
}

.post-item .post-body strong { color: var(--text); }

.post-item .hashtags {
  margin-top: 10px;
  font-size: 13px;
  color: var(--accent);
}

/* ── About Page ─────────────────────────────────────────────────────── */
.about-page {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 48px 24px 80px;
}

.about-page h1 {
  font-family: var(--font-serif);
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 24px;
}

.about-page p {
  font-size: 18px;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.about-page .links {
  margin-top: 32px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.about-page .links a {
  font-size: 16px;
  font-weight: 500;
}

/* ── Newsletter Signup ──────────────────────────────────────────────── */
.newsletter-box {
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 32px;
  text-align: center;
  margin: 48px auto;
  max-width: var(--max-width);
}

.newsletter-box h3 {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 8px;
}

.newsletter-box p {
  color: var(--text-secondary);
  font-size: 15px;
  margin-bottom: 20px;
}

.newsletter-box iframe {
  display: block;
  margin: 0 auto;
  border-radius: 6px;
}

.newsletter-box .input-group {
  display: flex;
  gap: 8px;
  max-width: 420px;
  margin: 0 auto;
}

.newsletter-box input[type="email"] {
  flex: 1;
  padding: 10px 14px;
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  font-size: 15px;
  font-family: var(--font-sans);
}

.newsletter-box button {
  background: var(--accent);
  color: #fff;
  padding: 10px 20px;
  border: none;
  border-radius: 6px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
}
.newsletter-box button:hover { background: var(--accent-hover); }

/* ── Footer ─────────────────────────────────────────────────────────── */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 32px 24px;
  text-align: center;
  color: var(--text-muted);
  font-size: 14px;
}

.site-footer a { color: var(--text-secondary); }
.site-footer .footer-links {
  display: flex;
  gap: 20px;
  justify-content: center;
  margin-bottom: 12px;
}

/* ── Responsive ─────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .hero h1 { font-size: 32px; }
  .article-card h2 { font-size: 24px; }
  .article-page h1 { font-size: 30px; }
  .article-page .article-body { font-size: 17px; }
  .site-header nav { gap: 16px; }
  .site-header nav a { font-size: 14px; }
  .newsletter-box .input-group { flex-direction: column; }
}