/* Vibeing — foglio di stile
   Base: carta non sbiancata e inchiostro. Accento: terracotta calda.
   Motivo ricorrente: onde concentriche (risonanza).
   Lo sfondo si scurisce man mano che si scende di livello. */

:root {
  --carta:      #F7F3EA;
  --carta-alt:  #FDFBF6;
  --inchiostro: #1C1A17;
  --accento:    #D9734A;
  --accento-2:  #E9A03F;
  --ottone:     #B08D57;
  --ombra:      #D8D0C0;
  --tenue:      #6E675C;

  --fondo:      #EFE9DC;
  --fondo-2:    #E4DCCB;
  --su-fondo:   #1C1A17;
  --su-fondo-t: #6E675C;

  --serif: 'Iowan Old Style', 'Palatino Linotype', Palatino, 'Book Antiqua', Georgia, 'Times New Roman', serif;
  --sans: ui-sans-serif, -apple-system, 'Segoe UI', Inter, Roboto, 'Helvetica Neue', Arial, sans-serif;

  --lento: 480ms cubic-bezier(.22,.61,.36,1);
  --medio: 280ms cubic-bezier(.22,.61,.36,1);

  --w-carta: min(30rem, calc(100vw - 2.5rem));
  --h-carta: min(38rem, calc(100vh - 12rem));
}

/* Corrente */
body[data-livello="2"] {
  --fondo: #C9BDA6; --fondo-2: #B8A98E;
  --su-fondo: #241F19; --su-fondo-t: #4A4238;
}
/* Fondo */
body[data-livello="3"] {
  --fondo: #1A1815; --fondo-2: #0E0D0B;
  --su-fondo: #EFE9DC; --su-fondo-t: #A69C8B;
}

* { box-sizing: border-box; }
html, body { height: 100%; }

body {
  margin: 0;
  font-family: var(--sans);
  color: var(--su-fondo);
  background: radial-gradient(120% 90% at 50% 0%, var(--fondo) 0%, var(--fondo-2) 100%);
  display: flex; flex-direction: column;
  overflow: hidden;
  transition: background var(--lento), color var(--lento);
  -webkit-font-smoothing: antialiased;
}

.grain {
  position: fixed; inset: 0; pointer-events: none; z-index: 9;
  opacity: .32; mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='120' height='120' filter='url(%23n)' opacity='.22'/%3E%3C/svg%3E");
}

/* ------------------------------------------------------------ barra */

.barra {
  position: relative; z-index: 10;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.05rem clamp(1rem, 4vw, 2rem); gap: .75rem;
}

.marchio {
  display: flex; align-items: center; gap: .5rem;
  background: none; border: 0; padding: 0; cursor: pointer; color: inherit; font: inherit;
}
.onde { display: grid; place-items: center; color: var(--accento); }
.marchio:hover .onde svg { animation: risuona 1.4s ease-out; }
@keyframes risuona {
  0% { transform: scale(.9); } 60% { transform: scale(1.08); } 100% { transform: scale(1); }
}
.marchio-testo {
  font-family: var(--serif); font-size: 1.22rem; letter-spacing: .01em;
}

.barra-dx { display: flex; align-items: center; gap: .45rem; }

.lingua, .chiavi {
  font: 600 .78rem/1 var(--sans); letter-spacing: .09em;
  color: inherit; background: none; cursor: pointer;
  border: 1px solid color-mix(in srgb, currentColor 20%, transparent);
  border-radius: 999px; padding: .45rem .72rem;
  transition: border-color var(--medio), color var(--medio);
}
.lingua:hover, .chiavi:hover { border-color: var(--accento); }
.chiavi { display: flex; align-items: center; gap: .35rem; }
.chiavi-glifo { color: var(--accento-2); font-size: .88rem; }
.chiavi.pulsa { animation: pulsa 700ms ease; }
@keyframes pulsa { 0%,100% { transform: none; } 35% { transform: scale(1.18); } }

.icona {
  width: 2.15rem; height: 2.15rem; border-radius: 50%;
  display: grid; place-content: center; gap: 4px;
  background: none; cursor: pointer;
  border: 1px solid color-mix(in srgb, currentColor 20%, transparent);
  transition: border-color var(--medio);
}
.icona:hover { border-color: var(--accento); }
.icona span { display: block; width: 12px; height: 1.5px; background: currentColor; }

/* ------------------------------------------------------------ palco */

.palco {
  flex: 1; position: relative; display: grid; place-items: center;
  padding: 0 1rem 1rem; perspective: 1600px;
}
.pila { position: absolute; inset: 0; display: grid; place-items: center; }
.dorso {
  position: absolute; width: var(--w-carta); height: var(--h-carta); border-radius: 1.15rem;
  background: color-mix(in srgb, var(--carta) 55%, var(--fondo-2));
  border: 1px solid color-mix(in srgb, var(--ombra) 60%, transparent);
  box-shadow: 0 10px 30px -18px rgb(0 0 0 / .3);
}
.dorso-2 { transform: translateY(10px) rotate(1.6deg) scale(.985); }
.dorso-3 { transform: translateY(20px) rotate(-2.2deg) scale(.97); opacity: .6; }

/* ------------------------------------------------------------ carta */

.carta {
  position: relative; z-index: 2;
  width: var(--w-carta); min-height: var(--h-carta); max-height: var(--h-carta);
  border-radius: 1.15rem;
  background: linear-gradient(168deg, var(--carta-alt), var(--carta) 60%);
  color: var(--inchiostro);
  border: 1px solid #E5DCC9;
  box-shadow:
    0 1px 0 #FFFDF8 inset,
    0 28px 60px -28px rgb(28 26 23 / .45),
    0 4px 14px -8px rgb(28 26 23 / .2);
  padding: clamp(1.6rem, 4.5vw, 2.4rem);
  display: flex; flex-direction: column;
  overflow-y: auto; overscroll-behavior: contain;
  transform-style: preserve-3d;
  animation: entra var(--lento) both;
}
.carta::-webkit-scrollbar { width: 0; }

@keyframes entra {
  from { opacity: 0; transform: translateY(18px) rotateX(-14deg) scale(.965); }
  to { opacity: 1; transform: none; }
}
.carta.esce { animation: esce 360ms cubic-bezier(.4,0,.7,.2) both; }
@keyframes esce { to { opacity: 0; transform: translateY(-26px) rotateX(16deg) scale(.94); } }

.carta.gira { animation: gira 620ms cubic-bezier(.5,0,.5,1) both; }
@keyframes gira {
  0% { transform: rotateY(0); }
  49% { transform: rotateY(90deg) scale(1.02); }
  50% { transform: rotateY(-90deg) scale(1.02); }
  100% { transform: rotateY(0); }
}
.carta.tocca { cursor: pointer; }
.carta.tocca:hover { transform: translateY(-3px); transition: transform var(--medio); }

/* ------------------------------------------------------------ interno */

.occhiello {
  font: 600 .68rem/1 var(--sans);
  letter-spacing: .2em; text-transform: uppercase; color: var(--tenue);
  display: flex; align-items: center; gap: .55rem; margin-bottom: auto;
}
.occhiello .punto {
  width: .42rem; height: .42rem; border-radius: 50%; background: var(--accento); flex: none;
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accento) 16%, transparent);
}
.occhiello .fine { margin-left: auto; letter-spacing: .1em; text-transform: none; color: var(--ottone); }

.domanda {
  font-family: var(--serif);
  font-size: clamp(1.55rem, 5.2vw, 2.1rem);
  line-height: 1.28; letter-spacing: -.005em;
  margin: 2.2rem 0; text-wrap: pretty;
}

.titolo {
  font-family: var(--serif);
  font-size: clamp(1.7rem, 5.6vw, 2.4rem);
  line-height: 1.15; margin: 1.4rem 0 .5rem; letter-spacing: -.01em;
}
.sottotitolo { font-size: .96rem; line-height: 1.55; color: var(--tenue); margin: 0 0 1.4rem; }
.corpo { font-size: .95rem; line-height: 1.65; color: #3B352C; }
.corpo p { margin: 0 0 .9rem; }

/* scelte */

.scelte { display: flex; flex-direction: column; gap: .55rem; margin-top: auto; }

.scelta {
  width: 100%; text-align: left;
  display: flex; align-items: center; gap: .8rem;
  font: 500 .95rem/1.35 var(--sans); color: var(--inchiostro);
  background: transparent; border: 1px solid #E0D6C2; border-radius: .75rem;
  padding: .95rem 1.05rem; cursor: pointer;
  transition: border-color var(--medio), background var(--medio), transform var(--medio);
}
.scelta:hover {
  border-color: var(--accento);
  background: color-mix(in srgb, var(--accento) 5%, transparent);
  transform: translateX(3px);
}
.scelta:active { transform: translateX(1px) scale(.995); }
.scelta .freccia { margin-left: auto; color: var(--tenue); font-size: 1rem; }
.scelta .nota { color: var(--tenue); font-size: .8rem; display: block; margin-top: .15rem; }

.scelta.forte {
  background: var(--inchiostro); color: var(--carta); border-color: var(--inchiostro);
}
.scelta.forte:hover { background: #2E2A24; border-color: #2E2A24; }
.scelta.forte .freccia, .scelta.forte .nota { color: color-mix(in srgb, var(--carta) 70%, transparent); }
.scelta.tenue { border-style: dashed; color: var(--tenue); }

/* form */

.campo { display: block; margin-bottom: .9rem; }
.campo span {
  display: block; font: 600 .7rem/1 var(--sans);
  letter-spacing: .14em; text-transform: uppercase; color: var(--tenue); margin-bottom: .4rem;
}
.campo input, .campo textarea, .campo select {
  width: 100%; font: 400 1rem/1.5 var(--sans); color: var(--inchiostro);
  background: #FFFDF8; border: 1px solid #E0D6C2; border-radius: .55rem; padding: .7rem .8rem;
  transition: border-color var(--medio), box-shadow var(--medio);
}
.campo input:focus, .campo textarea:focus, .campo select:focus {
  outline: none; border-color: var(--accento);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accento) 14%, transparent);
}
.campo textarea { min-height: 8.5rem; resize: vertical; font-family: var(--serif); font-size: 1.05rem; }

/* la spunta del consenso: sta nel form, ma non deve pesare come un campo */
.spunta {
  display: flex; align-items: flex-start; gap: .6rem;
  margin: 0 0 1.1rem; cursor: pointer;
  font: 400 .84rem/1.5 var(--sans); color: var(--tenue);
}
.spunta input {
  flex: 0 0 auto; width: 1.05rem; height: 1.05rem; margin: .16rem 0 0;
  accent-color: var(--accento); cursor: pointer;
}
.spunta a { color: var(--accento); text-underline-offset: .18em; }

/* mazzi */

.ventaglio { display: flex; flex-direction: column; gap: .5rem; margin: 1.2rem 0 0; }

.mazzo-riga {
  display: flex; align-items: center; gap: .85rem; width: 100%; text-align: left;
  background: transparent; border: 1px solid #E5DCC9; border-radius: .75rem;
  padding: .8rem .9rem; cursor: pointer;
  transition: border-color var(--medio), transform var(--medio), background var(--medio);
}
.mazzo-riga:hover { transform: translateX(3px); background: #FFFDF8; border-color: var(--ombra); }
.mazzo-riga .tinta {
  width: .55rem; align-self: stretch; min-height: 2.6rem; border-radius: 999px; flex: none;
}
.mazzo-riga .info { flex: 1; min-width: 0; }
.mazzo-riga .nome {
  font-family: var(--serif); font-size: 1.12rem; line-height: 1.2;
  display: flex; align-items: center; gap: .45rem;
}
.mazzo-riga .meta { font-size: .78rem; color: var(--tenue); margin-top: .2rem; }
.mazzo-riga.bloccato { opacity: .6; }
.mazzo-riga.bloccato:hover { opacity: .85; }
.lucchetto { font-size: .78rem; color: var(--ottone); }

/* livelli */

.livelli { display: flex; gap: .35rem; margin-top: 1rem; }
.livelli i { flex: 1; height: 3px; border-radius: 2px; background: #E0D6C2; position: relative; overflow: hidden; }
.livelli i b {
  position: absolute; inset: 0 auto 0 0;
  background: linear-gradient(90deg, var(--accento), var(--accento-2));
  transition: width var(--lento);
}

.riga-stat { display: flex; gap: 1.6rem; margin: 1.2rem 0; flex-wrap: wrap; }
.stat b { display: block; font-family: var(--serif); font-size: 1.9rem; line-height: 1; font-weight: 400; }
.stat span {
  font: 600 .66rem/1 var(--sans); letter-spacing: .16em; text-transform: uppercase; color: var(--tenue);
}

.elenco-riflessioni { margin: 1rem 0 0; }
.riflessione-voce { border-left: 2px solid var(--ombra); padding: 0 0 .1rem .85rem; margin-bottom: 1.1rem; }
.riflessione-voce q {
  display: block; font-family: var(--serif); font-size: .98rem; color: var(--tenue); margin-bottom: .35rem;
}
.riflessione-voce p { margin: 0; font-size: .93rem; line-height: 1.6; }
.riflessione-voce time { font-size: .7rem; color: var(--tenue); letter-spacing: .08em; }

.regole { list-style: none; padding: 0; margin: 1.6rem 0; counter-reset: r; }
.regole li {
  counter-increment: r; position: relative; padding-left: 2.1rem;
  margin-bottom: 1.05rem; font-size: .98rem; line-height: 1.55;
}
.regole li::before {
  content: counter(r); position: absolute; left: 0; top: -.05rem;
  font-family: var(--serif); font-size: 1.05rem; color: var(--accento);
  width: 1.5rem; text-align: center; border-bottom: 1px solid var(--ombra);
}

.errore {
  font-size: .85rem; color: #A03A2E; line-height: 1.45;
  background: color-mix(in srgb, #A03A2E 7%, transparent);
  border-radius: .45rem; padding: .55rem .7rem; margin: 0 0 .8rem;
}
.tenue-testo { color: var(--tenue); font-size: .84rem; line-height: 1.55; }
.filo { border: 0; border-top: 1px solid var(--ombra); margin: 1.3rem 0; }

/* ------------------------------------------------------------ pedana */

.pedana { position: relative; z-index: 10; padding: .9rem 1rem 1.6rem; text-align: center; min-height: 3.4rem; }
.pedana p {
  margin: 0; font: 500 .78rem/1.4 var(--sans);
  letter-spacing: .12em; text-transform: uppercase; color: var(--su-fondo-t);
  transition: color var(--lento);
}

/* i documenti legali e la revoca del consenso: sempre raggiungibili, mai in mezzo */
.legale {
  display: flex; flex-wrap: wrap; gap: .3rem .9rem;
  justify-content: center; align-items: center; margin-top: .55rem;
}
.legale a, .legale button {
  background: none; border: 0; padding: 0; cursor: pointer;
  font: 400 .72rem/1.4 var(--sans); letter-spacing: .04em;
  color: var(--su-fondo-t); opacity: .62; text-decoration: none;
  transition: opacity var(--medio), color var(--lento);
}
.legale a:hover, .legale button:hover { opacity: 1; text-decoration: underline; }

.avviso {
  position: fixed; z-index: 40; left: 50%; bottom: 1.4rem; transform: translate(-50%, 140%);
  background: var(--inchiostro); color: var(--carta);
  font: 500 .86rem/1.4 var(--sans); padding: .7rem 1.1rem; border-radius: 999px;
  box-shadow: 0 14px 30px -14px rgb(0 0 0 / .5);
  transition: transform var(--lento); max-width: calc(100vw - 2rem);
}
.avviso.mostra { transform: translate(-50%, 0); }

/* ------------------------------------------------------------ dorso */

.carta.retro {
  background: radial-gradient(120% 100% at 50% 42%, #262218 0%, #1A1814 60%, #141310 100%);
  color: var(--carta); border-color: #2E2A24;
  align-items: center; justify-content: center; text-align: center;
}
.carta.retro .onde-grandi { position: relative; width: 12rem; height: 12rem; margin-bottom: .6rem; }
.carta.retro .onde-grandi i {
  position: absolute; inset: 0; margin: auto; border-radius: 50%;
  border: 1px solid color-mix(in srgb, var(--accento) 45%, transparent);
  animation: onda 3.6s ease-out infinite;
}
.carta.retro .onde-grandi i:nth-child(1) { width: 3rem; height: 3rem; animation-delay: 0s; }
.carta.retro .onde-grandi i:nth-child(2) { width: 3rem; height: 3rem; animation-delay: 1.2s; }
.carta.retro .onde-grandi i:nth-child(3) { width: 3rem; height: 3rem; animation-delay: 2.4s; }
.carta.retro .nucleo {
  position: absolute; inset: 0; margin: auto; width: 1.05rem; height: 1.05rem;
  border-radius: 50%; background: var(--accento);
  box-shadow: 0 0 0 7px color-mix(in srgb, var(--accento) 16%, transparent);
}
@keyframes onda {
  0% { width: 3rem; height: 3rem; opacity: .9; }
  100% { width: 12rem; height: 12rem; opacity: 0; }
}
.carta.retro .titolo {
  color: var(--carta); margin-top: 0; font-size: clamp(2.2rem, 8vw, 3rem); letter-spacing: -.015em;
}
.carta.retro .sottotitolo { color: color-mix(in srgb, var(--carta) 62%, transparent); margin-bottom: 0; }

@media (max-width: 420px) { :root { --h-carta: calc(100vh - 11rem); } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}