/* =========================================================
   base.css — reset, variabili, fondamentali
   Palette: pergamena scura, oro, ambra, inchiostro seppia
   ========================================================= */

:root {
  /* Colori caldi — pensati per lunghe letture */
  --ink-deep:    #1a0f06;   /* inchiostro nero-bruciato */
  --ink:         #2d1c0c;   /* corpo testo */
  --ink-soft:    #4a3520;   /* testo secondario */
  --parchment:   #efe1c1;   /* pergamena chiara */
  --parchment-2: #e3d0a8;   /* pergamena ombrata */
  --parchment-3: #c8b07e;   /* pergamena invecchiata */
  --vellum-dark: #2a1c0e;   /* fondo scuro caldo */
  --vellum-deep: #1a1108;   /* fondo profondo */

  --gold:        #c9a45a;   /* oro caldo */
  --gold-bright: #e8c987;   /* oro luminoso */
  --gold-deep:   #8a6a2c;   /* oro scuro */
  --amber:       #d48a3a;   /* ambra */
  --amber-glow:  #f3b86b;   /* bagliore ambra */
  --crimson:     #7a2418;   /* rosso rubricato (per capolettera) */
  --crimson-soft:#a8412b;

  /* Tipografia */
  --serif: 'Cormorant Garamond', 'EB Garamond', Georgia, serif;
  --display: 'Cinzel', 'Trajan Pro', serif;
  --black-letter: 'UnifrakturCook', 'UnifrakturMaguntia', serif;

  /* Misure */
  --max-read: 64ch;
  --gutter: clamp(1rem, 3vw, 2.5rem);
  --radius: 2px;

  /* Tempi */
  --t-slow: 900ms;
  --t-med: 400ms;
  --t-fast: 180ms;
  --ease: cubic-bezier(.2,.7,.2,1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  background: var(--vellum-deep);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 18px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  overflow-x: hidden;
  position: relative;
}

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: transparent;
  color: inherit;
}

a {
  color: var(--gold-deep);
  text-decoration: none;
  border-bottom: 1px solid rgba(138, 106, 44, 0.35);
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}
a:hover {
  color: var(--amber);
  border-color: var(--amber);
}

/* Canvas sfondo vivo */
#living-bg {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  pointer-events: none;
}

/* Vignettatura spaziale — bordi molto scuri, centro trasparente */
.vignette {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  background:
    radial-gradient(ellipse at 50% 48%,
      rgba(1, 2, 8, 0)    0%,
      rgba(1, 2, 8, 0.15) 55%,
      rgba(1, 2, 10, 0.72) 100%);
}

/* Selezione testo */
::selection {
  background: var(--gold);
  color: var(--ink-deep);
}

/* Scrollbar (webkit) */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--vellum-deep); }
::-webkit-scrollbar-thumb { background: var(--gold-deep); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--gold); }

/* Accessibilità: motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
}