/* ==========================================================================
   carlocaloro.com — main stylesheet
   Tema indipendente. Niente sidebar. Niente eredità da artQ13.
   ========================================================================== */

:root {
  --bg-dark:        #0a0a0a;
  --bg-light:       #f5f0e8;
  --text-on-dark:   #f5f0e8;
  --text-on-light: #1a1a1a;
  --muted:          #777;
  --hairline:       #2a2a2a;
  --accent:         #a4243b;            /* crimson scuro — provvisorio, modificabile in 1 riga */
  --accent-soft:    rgba(164, 36, 59, 0.15);
  --font-display:   "Fraunces", Georgia, serif;
  --font-body:      "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono:      "JetBrains Mono", "SF Mono", monospace;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.55;
  color: var(--text-on-light);
  background: var(--bg-light);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* ==========================================================================
   HOME — campo concetti
   ========================================================================== */

body.is-home {
  background: var(--bg-light);
  color: var(--text-on-light);
  overflow-x: hidden;
  min-height: 100vh;
}

.home-header,
.page-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 1.6rem 2.2rem;
  pointer-events: none;
}

.home-header > *,
.page-header > * { pointer-events: auto; }

.home-header .nav-pill { display: none; } /* niente menu in home */

.wordmark {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: 1.4rem;
  letter-spacing: -0.01em;
  color: inherit;
  text-decoration: none;
}
.wordmark:hover { color: var(--accent); }

.nav-pill {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.nav-pill a {
  color: inherit;
  text-decoration: none;
  margin-left: 1.6rem;
  position: relative;
}
.nav-pill a::after {
  content: "";
  position: absolute;
  bottom: -3px; left: 0;
  width: 0; height: 1px;
  background: var(--accent);
  transition: width 0.25s ease;
}
.nav-pill a:hover::after,
.nav-pill a.is-active::after { width: 100%; }

/* Home — campo di concetti su sfondo bianco */

.concept-field {
  min-height: 100vh;
  padding: 8rem 2rem 8rem;
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.5em 1.2em;
  max-width: 1400px;
  margin: 0 auto;
}

.concept-node {
  font-family: var(--font-display);
  font-weight: 300;
  color: var(--text-on-light);
  text-decoration: none;
  display: inline-block;
  padding: 0.1em 0.2em;
  transition: color 0.2s ease, transform 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
  position: relative;
  cursor: pointer;
  line-height: 1.05;
}

.concept-node:hover {
  color: var(--accent);
  transform: translateY(-2px);
}

.concept-node[data-weight="0"] { font-size: clamp(2.6rem, 6vw, 5.2rem); font-weight: 400; }
.concept-node[data-weight="1"] { font-size: clamp(2.2rem, 5vw, 4.4rem); }
.concept-node[data-weight="2"] { font-size: clamp(1.9rem, 4vw, 3.6rem); }
.concept-node[data-weight="3"] { font-size: clamp(1.6rem, 3.4vw, 3rem); }
.concept-node[data-weight="4"] { font-size: clamp(1.4rem, 2.8vw, 2.4rem); }

.concept-node.is-meta-root {
  border: 1px solid var(--text-on-light);
  padding: 0.05em 0.4em;
}
.concept-node.is-meta-root:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--bg-light);
}

/* Voci sezione mescolate nel campo (monospace, dimensione fissa) */
.section-link {
  font-family: var(--font-mono) !important;
  font-size: 1rem !important;
  font-weight: 500 !important;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.3em 0.7em !important;
  border: 1px solid rgba(0,0,0,0.18);
  border-radius: 999px;
  line-height: 1 !important;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}
.section-link:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--bg-light) !important;
  transform: none !important;
}
.section-link.is-legal,
.section-link.is-lang {
  font-size: 0.78rem !important;
  color: var(--muted) !important;
  border-color: rgba(0,0,0,0.12);
}
.section-link.is-legal:hover,
.section-link.is-lang:hover { color: var(--bg-light) !important; }

/* ==========================================================================
   PAGE LAYOUT (sezioni interne)
   ========================================================================== */

.page-wrap {
  max-width: 760px;
  margin: 0 auto;
  padding: 7rem 2rem 6rem;
}

.page-header {
  background: var(--bg-light);
  border-bottom: 1px solid var(--hairline);
  border-bottom-color: rgba(0,0,0,0.08);
}

.page-title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(2.4rem, 6vw, 4.8rem);
  line-height: 1.05;
  letter-spacing: -0.015em;
  margin-bottom: 0.6em;
}

.page-kicker {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1rem;
}

.gloss {
  font-family: var(--font-display);
  font-size: 1.25rem;
  line-height: 1.5;
  margin: 2rem 0 3rem;
  font-weight: 300;
}
.gloss p + p { margin-top: 1.1em; }

.section-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 3rem 0 1rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--hairline);
  border-bottom-color: rgba(0,0,0,0.1);
}

.related-list { list-style: none; }
.related-list li {
  padding: 0.9rem 0;
  border-bottom: 1px solid rgba(0,0,0,0.06);
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
}
.related-list a {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 1.4rem;
  color: var(--text-on-light);
  text-decoration: none;
  flex: 1;
}
.related-list a:hover { color: var(--accent); }
.related-list .meta {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  white-space: nowrap;
}

.related-empty {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--muted);
  letter-spacing: 0.05em;
  font-style: italic;
}

.lineage {
  list-style: none;
  margin: 1rem 0 2rem;
}
.lineage li {
  display: grid;
  grid-template-columns: 12rem 1fr;
  gap: 1.5rem;
  padding: 0.6rem 0;
  border-top: 1px solid rgba(0,0,0,0.06);
  font-size: 0.95rem;
}
.lineage li:last-child { border-bottom: 1px solid rgba(0,0,0,0.06); }
.lineage .when {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

.neighbour-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin: 1rem 0 2rem;
}
.neighbour-tags a {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  text-transform: lowercase;
  color: var(--text-on-light);
  text-decoration: none;
  padding: 0.4rem 0.8rem;
  border: 1px solid rgba(0,0,0,0.15);
  border-radius: 999px;
  transition: all 0.15s ease;
}
.neighbour-tags a:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--bg-light);
}

/* Body text (markdown content) */
.gloss h2, .page-content h2 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 1.6rem;
  margin-top: 2.2rem;
  margin-bottom: 0.7rem;
}
.gloss h3, .page-content h3 {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 2rem;
}
.page-content p { margin-bottom: 1.1em; }
.page-content a {
  color: var(--text-on-light);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  text-decoration-color: var(--accent);
}
.page-content a:hover { color: var(--accent); }

/* Footer */
.site-footer {
  margin-top: 6rem;
  padding: 2rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--muted);
  text-align: center;
  border-top: 1px solid rgba(0,0,0,0.08);
}
.site-footer p { margin: 0.4rem 0; }
.footer-copyright { text-transform: uppercase; }
.footer-line { display: inline-flex; flex-wrap: wrap; gap: 0.6em; justify-content: center; }
.footer-line a { color: var(--text-on-light); text-decoration: none; border-bottom: 1px solid transparent; transition: border-color 0.2s; }
.footer-line a:hover { border-bottom-color: var(--accent); color: var(--accent); }
.footer-sep { color: rgba(0,0,0,0.25); }
.cf-email-link { color: var(--text-on-light); }

/* Skip link (accessibility) */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--bg-light);
  color: var(--text-on-light);
  padding: 0.6em 1em;
  z-index: 999;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}
.skip-link:focus { left: 0; outline: 2px solid var(--accent); }

/* Focus-visible everywhere */
a:focus-visible,
button:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
}

/* Mobile */
@media (max-width: 720px) {
  .home-header, .page-header { padding: 1rem 1.2rem; }
  .nav-pill a { margin-left: 1rem; }
  .concept-field { padding: 6rem 1rem 5rem; gap: 0.5em 1em; }
  .page-wrap { padding: 5.5rem 1.2rem 4rem; }
  .page-title { font-size: 2.2rem; }
  .gloss { font-size: 1.1rem; }
  .lineage li { grid-template-columns: 1fr; gap: 0.2rem; }
  .related-list a { font-size: 1.15rem; }
  .utility-pill { gap: 1rem; font-size: 0.7rem; }
}

.work-medium {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin-bottom: 2rem;
}
.work-image {
  margin: 2rem 0 3rem;
}
.work-image img {
  width: 100%;
  height: auto;
  display: block;
}