:root {
  --bg: #f7f7f5;
  --surface: #ffffff;
  --text: #171717;
  --muted: #6e6e73;
  --accent: #f6d917;
  --accent-ink: #4c4300;
  --border: #deded9;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  letter-spacing: -0.01em;
}

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 1.5rem; }

.site-header { border-bottom: 1px solid var(--border); padding: 1.15rem 0; background: rgba(247,247,245,0.88); }
.site-header .wrap { display: flex; justify-content: space-between; align-items: center; }
.site-header .logo { color: var(--text); font-weight: 700; text-decoration: none; font-size: 0.98rem; letter-spacing: -0.03em; }
.site-header .logo span { color: var(--muted); font-weight: 500; }
.site-header nav { display: flex; align-items: center; gap: 1.1rem; }
.site-header nav a { color: var(--muted); text-decoration: none; font-size: 0.88rem; }
.site-header nav a:hover { color: var(--text); }
.site-header .language-link { color: var(--text); border: 1px solid var(--border); border-radius: 999px; padding: 0.18rem 0.55rem; }

.hero { max-width: 1080px; margin: 0 auto; padding: 7rem 1.5rem 4rem; }
.hero.small { padding-bottom: 1rem; }
.hero h1 { max-width: 860px; font-size: clamp(3rem, 7vw, 6.1rem); line-height: 0.98; letter-spacing: -0.065em; margin: 0 0 1.6rem; }
.hero p { color: var(--muted); }
.hero-copy { max-width: 600px; font-size: 1.2rem; color: var(--muted); }
.hero-copy p { margin: 0; }
.eyebrow { color: var(--accent-ink) !important; font-size: 0.72rem; font-weight: 800; letter-spacing: 0.1em; margin: 0 0 1rem; }
.topic-list { display: flex; flex-wrap: wrap; gap: 0.55rem; margin-top: 2.25rem; }
.topic-list span { border: 1px solid var(--border); border-radius: 999px; padding: 0.35rem 0.72rem; color: var(--muted); font-size: 0.82rem; }

.post-list { max-width: 760px; margin: 0 auto; padding: 0 1.5rem 3rem; display: grid; gap: 1.75rem; }
.post-summary { border-bottom: 1px solid var(--border); padding-bottom: 1.5rem; }
.post-summary a { text-decoration: none; }
.post-summary h2 { color: var(--text); font-size: 1.3rem; margin: 0 0 0.3rem; }
.post-summary:hover h2 { color: var(--accent); }
.meta { color: var(--muted); font-size: 0.85rem; margin: 0 0 0.5rem; }

.intro-card { max-width: 1080px; margin: 0 auto 6rem; padding: 2rem 1.5rem; border-top: 1px solid var(--border); }
.intro-card h2 { max-width: 600px; margin: 0 0 0.65rem; font-size: clamp(1.8rem, 3vw, 2.7rem); line-height: 1.08; letter-spacing: -0.045em; }
.intro-card p { max-width: 520px; color: var(--muted); }
.text-link { display: inline-block; margin-top: 0.65rem; color: var(--text); font-weight: 700; text-decoration: none; }
.text-link span { color: var(--accent-ink); }

.tag {
  display: inline-block;
  background: #fff4a7;
  color: var(--accent-ink);
  border-radius: 999px;
  padding: 0.15rem 0.6rem;
  font-size: 0.78rem;
  margin-right: 0.35rem;
}

.post { max-width: 720px; margin: 0 auto; padding: 4.5rem 1.5rem 5rem; }
.post-header h1 { font-size: clamp(2.2rem, 5vw, 4rem); line-height: 1.04; letter-spacing: -0.055em; margin-bottom: 0.5rem; }

.source-box, .linkedin-box {
  background: var(--surface);
  border-left: 3px solid var(--accent);
  border-radius: 8px;
  padding: 1rem 1.25rem;
  margin: 1.5rem 0;
  font-size: 0.95rem;
}
.source-box a { color: var(--accent-ink); }

.post-body { margin-top: 1.5rem; }
.post-body h2 { color: var(--text); font-size: 1.45rem; letter-spacing: -0.03em; margin-top: 2.4rem; }
.post-body code {
  background: #ecece8;
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  font-size: 0.9em;
}

.site-footer {
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.82rem;
  padding: 2rem 0;
  margin-top: 2rem;
}
.disclaimer { font-style: italic; }

@media (max-width: 650px) {
  .site-header .wrap { align-items: flex-start; gap: 1rem; }
  .site-header .logo span { display: none; }
  .site-header nav { gap: 0.65rem; flex-wrap: wrap; justify-content: flex-end; }
  .hero { padding-top: 4.5rem; }
}