/* ═══════════════════════════════════════
   Shared styles — Claude Arch
   ═══════════════════════════════════════ */

:root {
  --bg-primary: #faf9f5;
  --bg-card: #ffffff;
  --bg-hover: #f5f4f0;
  --text-primary: #141413;
  --text-secondary: #6b6a65;
  --text-muted: #b0aea5;
  --accent-orange: #d97757;
  --accent-blue: #6a9bcc;
  --accent-green: #788c5d;
  --accent-red: #c45c4a;
  --border: #e8e6dc;
  --border-active: #b0aea5;
  --radius: 8px;
}

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

body {
  font-family: 'Lora', Georgia, serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 { font-family: 'Poppins', Arial, sans-serif; }
code, .mono { font-family: 'JetBrains Mono', monospace; }

/* Header */
.header {
  position: sticky; top: 0; z-index: 100;
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  max-width: 860px; margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between;
  height: 60px;
}
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.logo-icon { height: 14px; width: auto; object-fit: contain; }


/* Nav */
.nav { display: flex; align-items: center; gap: 28px; }
.nav-link {
  font-family: 'Poppins', Arial, sans-serif;
  font-size: 14px; font-weight: 400; color: var(--text-primary);
  text-decoration: none; transition: color 0.15s;
}
.nav-link:hover { color: var(--accent-orange); }
.nav-link--active { color: var(--accent-orange); font-weight: 500; }

/* Hamburger */
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 4px; }
.nav-toggle svg { width: 24px; height: 24px; stroke: var(--text-primary); }

@media (max-width: 640px) {
  .nav-toggle { display: block; }
  .nav {
    display: none; flex-direction: column; gap: 0;
    position: absolute; top: 60px; left: 0; right: 0;
    background: var(--bg-primary); border-bottom: 1px solid var(--border);
    padding: 8px 0;
  }
  .nav.open { display: flex; }
  .nav .nav-link {
    display: block; padding: 12px 24px; width: 100%;
    border-bottom: 1px solid var(--border);
  }
  .nav .nav-link:last-child { border-bottom: none; }
  .nav .nav-link:hover { background: var(--bg-hover); }
}

/* Main / Container */
.main { max-width: 660px; margin: 0 auto; padding: 0 24px; }
.container { max-width: 860px; margin: 0 auto; padding: 24px; }

/* Footer */
.footer { border-top: 1px solid var(--border); padding: 32px 0; }
.footer-inner {
  max-width: 860px; margin: 0 auto; padding: 0 24px;
  display: flex; flex-direction: column; align-items: center; gap: 16px;
}
.social-links { display: flex; gap: 24px; align-items: center; flex-wrap: wrap; justify-content: center; }
.social-link {
  display: flex; align-items: center; gap: 6px;
  color: var(--text-secondary); text-decoration: none; font-size: 13px; transition: color 0.15s;
}
.social-link:hover { color: var(--accent-orange); }
.social-link svg { width: 16px; height: 16px; fill: currentColor; }
.footer-disclaimer { font-size: 12px; color: var(--text-muted); text-align: center; }