/* ==========================================================================
   Token system
   Sfondo: viewport quasi-nero. Accenti: tripletta assi X/Y/Z (rosso/verde/blu),
   usati con parsimonia (tag, divisori, gizmo), mai come wash neon diffuso.
   ========================================================================== */
:root {
  --bg: #101113;
  --surface: #17181b;
  --surface-hover: #1d1f23;
  --border: #2a2c30;
  --text: #e8e6e1;
  --text-muted: #8a8d91;
  --text-faint: #5b5e63;

  --axis-x: #e5484d; /* rosso */
  --axis-y: #4cae6d; /* verde */
  --axis-z: #4c8be0; /* blu */

  --font-display: "Space Mono", "IBM Plex Mono", monospace;
  --font-body: "Inter", "IBM Plex Sans", -apple-system, sans-serif;
  --font-mono: "IBM Plex Mono", "Space Mono", monospace;

  --radius: 2px;
  --gap: 1.5rem;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--text);
  text-decoration: none;
}
a:hover { color: var(--axis-z); }

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--axis-z);
  outline-offset: 3px;
}

img, video { max-width: 100%; display: block; }

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

/* ---------- Header : HUD bar ---------- */
.site-header {
  border-bottom: 1px solid var(--border);
  padding: 1.25rem 0;
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.02em;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
/* piccolo gizmo a 3 assi, il "logo" */
.gizmo {
  display: inline-flex;
  gap: 3px;
}
.gizmo span {
  width: 8px;
  height: 8px;
  border-radius: 1px;
}
.gizmo span:nth-child(1) { background: var(--axis-x); }
.gizmo span:nth-child(2) { background: var(--axis-y); }
.gizmo span:nth-child(3) { background: var(--axis-z); }

.site-nav {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-muted);
  display: flex;
  gap: 1.25rem;
}
.site-nav a::before { content: "/ "; color: var(--text-faint); }

/* ---------- Hero ---------- */
.hero {
  padding: 4.5rem 0 3rem;
  border-bottom: 1px solid var(--border);
}
.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 1rem;
}
.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 4vw, 3.1rem);
  line-height: 1.15;
  margin: 0 0 1rem;
  max-width: 18ch;
}
.hero p {
  color: var(--text-muted);
  max-width: 55ch;
  font-size: 1.05rem;
}

/* ---------- Grid di progetti (viewport tiles) ---------- */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--gap);
  padding: 3rem 0;
}

.tile {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.18s ease, border-color 0.18s ease;
}
.tile:hover {
  transform: translateY(-3px);
  border-color: var(--text-faint);
}

/* elemento firma: parentesi angolari stile "selezione viewport" */
.viewport-frame {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: #0a0a0b;
}
.viewport-frame img,
.viewport-frame video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.tile:hover .viewport-frame img,
.tile:hover .viewport-frame video {
  transform: scale(1.035);
}
.viewport-frame::before,
.viewport-frame::after,
.corner-tl, .corner-tr, .corner-bl, .corner-br {
  content: "";
}
.corner {
  position: absolute;
  width: 16px;
  height: 16px;
  border: 2px solid var(--text);
  opacity: 0.85;
  transition: width 0.18s ease, height 0.18s ease;
  pointer-events: none;
}
.tile:hover .corner { width: 22px; height: 22px; }
.corner.tl { top: 8px; left: 8px; border-right: none; border-bottom: none; }
.corner.tr { top: 8px; right: 8px; border-left: none; border-bottom: none; }
.corner.bl { bottom: 8px; left: 8px; border-right: none; border-top: none; }
.corner.br { bottom: 8px; right: 8px; border-left: none; border-top: none; }

.tile-body { padding: 1.1rem 1.2rem 1.3rem; }
.tile-meta {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-faint);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.axis-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
}
.axis-dot.x { background: var(--axis-x); }
.axis-dot.y { background: var(--axis-y); }
.axis-dot.z { background: var(--axis-z); }

.tile h2 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  margin: 0 0 0.4rem;
  line-height: 1.35;
}
.tile p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin: 0;
}

/* ---------- Pagina progetto (post) ---------- */
.post-hero {
  padding: 2.5rem 0 0;
}
.post-hero .viewport-frame {
  aspect-ratio: 16/9;
  border: 1px solid var(--border);
}
.post-title-block { padding: 2rem 0 1rem; }
.post-title-block h1 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.6vw, 2.4rem);
  margin: 0 0 0.9rem;
}

/* barra dati stile HUD di viewport: motore, poligoni, tool, data */
.stat-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 2rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
}
.stat {
  padding: 0.7rem 1.1rem;
  border-right: 1px solid var(--border);
  flex: 1 1 auto;
}
.stat:last-child { border-right: none; }
.stat-label {
  display: block;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.65rem;
  margin-bottom: 0.2rem;
}
.stat-value { color: var(--text); }

.post-content {
  max-width: 68ch;
  padding-bottom: 4rem;
}
.post-content h2 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  margin-top: 2.2rem;
}
.post-content p { color: var(--text); }
.post-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin: 2rem 0;
}
.post-gallery .viewport-frame { aspect-ratio: 1/1; }

.back-link {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  display: inline-block;
  margin: 2rem 0 0;
}

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 2rem 0 3rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-faint);
}