/* Trama — i colori sono quelli dei quattro temi dell'app (Palette.swift). Argilla di giorno, Notte di sera. */
@font-face { font-family: "Newsreader"; src: url("/fonts/newsreader.woff2") format("woff2"); font-weight: 400 600; font-style: normal; font-display: swap; }
@font-face { font-family: "Newsreader"; src: url("/fonts/newsreader-italic.woff2") format("woff2"); font-weight: 400 600; font-style: italic; font-display: swap; }

:root {
  --bg: #F6F3EC; --surface: #EDE8DD; --paper: #FFFCF5; --ink: #273B34; --muted: #6B766D; --accent: #A84F35;
  --t1: #CE7557; --t2: #819179; --t3: #D3AE71;
  --line: rgba(39, 59, 52, .12); --chip: #273B34; --chip-ink: #F6F3EC; --shadow: rgba(52, 40, 28, .16);
  --stage: #EEE8DF; /* il fondo delle scene 3D di Argilla, come lo decodifica il browser: le immagini ci si fondono senza bordo */
  --serif: ui-serif, "New York", "Newsreader", Georgia, "Times New Roman", serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  --ease: cubic-bezier(.2, .7, .2, 1);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --bg: #19272D; --surface: #26373D; --paper: #30434A; --ink: #F0EDDF; --muted: #B4C4C7; --accent: #E9B96C;
    --t1: #E7AF70; --t2: #829BBA; --t3: #A5B6A0;
    --line: rgba(240, 237, 223, .13); --chip: #F0EDDF; --chip-ink: #19272D; --shadow: rgba(0, 0, 0, .4); color-scheme: dark;
  }
}
:root[data-theme="argilla"] { color-scheme: light; }
:root[data-theme="fornace"] {
  --bg: #0A0706; --surface: #1A1310; --paper: #251C17; --ink: #F2E6D6; --muted: #C4B3A3; --accent: #E38B66;
  --t1: #E08A68; --t2: #9DAF95; --t3: #E3BF82;
  --line: rgba(242, 230, 214, .12); --chip: #F2E6D6; --chip-ink: #0A0706; --shadow: rgba(0, 0, 0, .55); color-scheme: dark;
}
:root[data-theme="marea"] {
  --bg: #F0F4F3; --surface: #DFE8E7; --paper: #F9FCF9; --ink: #273B34; --muted: #5F6E6B; --accent: #276D78;
  --t1: #4D8795; --t2: #8EB4AA; --t3: #C6937D;
  --line: rgba(39, 59, 52, .12); --chip: #1F4A52; --chip-ink: #F0F4F3; --shadow: rgba(30, 60, 64, .16); color-scheme: light;
}
:root[data-theme="notte"] {
  --bg: #19272D; --surface: #26373D; --paper: #30434A; --ink: #F0EDDF; --muted: #B4C4C7; --accent: #E9B96C;
  --t1: #E7AF70; --t2: #829BBA; --t3: #A5B6A0;
  --line: rgba(240, 237, 223, .13); --chip: #F0EDDF; --chip-ink: #19272D; --shadow: rgba(0, 0, 0, .4); color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0; background: var(--bg); color: var(--ink); font: 17px/1.6 var(--sans);
  -webkit-font-smoothing: antialiased; overflow-x: hidden;
  transition: background-color .5s var(--ease), color .5s var(--ease);
}
img { display: block; max-width: 100%; height: auto; }
a { color: var(--accent); text-underline-offset: .18em; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }
button { font: inherit; color: inherit; }
.wrap { width: 100%; max-width: 1160px; margin: 0 auto; padding: 0 16px; }
@media (min-width: 640px) { .wrap { padding: 0 32px; } }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.eyebrow { font: 500 12px/1.4 var(--mono); letter-spacing: .24em; text-transform: uppercase; color: var(--muted); margin: 0 0 18px; }
h1, h2, h3 { font-family: var(--serif); font-weight: 500; line-height: 1.06; margin: 0; letter-spacing: -.015em; text-wrap: balance; }
h1 em, h2 em { font-style: italic; font-weight: 400; color: var(--accent); }
h2 { font-size: clamp(36px, 5.4vw, 64px); }
h3 { font-size: 24px; line-height: 1.2; letter-spacing: -.005em; }
p { margin: 0 0 1em; }
.lede { font-size: clamp(18px, 1.6vw, 20px); color: var(--muted); max-width: 34em; }

/* Intestazione: trasparente in cima, poi un velo sfocato. */
.top { position: sticky; top: 0; z-index: 20; transition: background-color .3s, box-shadow .3s, backdrop-filter .3s; }
.top.scrolled { background: color-mix(in srgb, var(--bg) 82%, transparent); backdrop-filter: saturate(1.4) blur(14px); -webkit-backdrop-filter: saturate(1.4) blur(14px); box-shadow: 0 1px 0 var(--line); }
.top .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font: 500 22px/1 var(--serif); }
.brand img { width: 30px; height: 30px; border-radius: 8px; }
.top nav { display: flex; align-items: center; gap: 22px; font-size: 15px; }
.top nav a { color: var(--muted); text-decoration: none; }
.top nav a:hover, .top nav a[aria-current] { color: var(--ink); }

.store {
  display: inline-flex; align-items: center; gap: 12px; padding: 11px 20px 11px 16px; border-radius: 14px;
  background: var(--chip); color: var(--chip-ink); text-decoration: none; line-height: 1.1;
}
.store svg { width: 22px; height: 22px; flex: none; }
.store small { display: block; font: 500 10.5px/1.2 var(--mono); letter-spacing: .14em; text-transform: uppercase; opacity: .72; }
.store b { display: block; font: 600 17px/1.15 var(--sans); letter-spacing: -.01em; }
.top .store { padding: 7px 14px; border-radius: 10px; font: 600 13px/1 var(--sans); }
@media (max-width: 560px) { .top .store { display: none; } }

/* Prima sezione: titolo e rompicapo giocabile */
.hero { display: grid; gap: 48px; align-items: center; padding-top: 36px; padding-bottom: 24px; }
@media (min-width: 960px) { .hero { grid-template-columns: 1.12fr .88fr; gap: 64px; padding-top: 64px; } }
.hero h1 { font-size: clamp(48px, 5vw, 72px); line-height: 1.02; margin-bottom: 26px; }
.hero .lede { margin-bottom: 30px; }
.hero .meta { margin-top: 16px; font-size: 14px; color: var(--muted); }

.stage { position: relative; background: var(--stage); border-radius: 32px; overflow: hidden; }
.board-stage {
  background: var(--surface); border-radius: 32px; padding: clamp(18px, 3.4vw, 34px);
  box-shadow: 0 30px 70px -40px var(--shadow); transition: background-color .5s var(--ease);
}
.board { display: grid; grid-template-columns: repeat(4, 1fr); width: 100%; max-width: 460px; margin: 0 auto; touch-action: manipulation; }
/* Ogni cella: una lastra arrotondata sotto, il filo sopra, tagliato al bordo della cella così corre continuo fra le tessere. */
.tile {
  position: relative; aspect-ratio: 1; padding: 0; border: 0; background: transparent; cursor: pointer; overflow: hidden;
  -webkit-tap-highlight-color: transparent;
}
.tile::before {
  content: ""; position: absolute; inset: 4%; border-radius: 16%; background: var(--paper);
  box-shadow: 0 2px 0 color-mix(in srgb, var(--ink) 9%, transparent), 0 10px 18px -12px var(--shadow);
  transition: background-color .5s var(--ease), transform .18s var(--ease);
}
.tile:active::before { transform: scale(.96); }
.tile:disabled { cursor: default; }
.tile:focus-visible { outline: none; }
.tile:focus-visible::before { outline: 2px solid var(--accent); outline-offset: 2px; }
.tile .lift { position: absolute; inset: 0; filter: drop-shadow(0 3px 2px rgba(0, 0, 0, .2)); transition: transform .38s var(--ease); transition-delay: calc(var(--d, 0) * 34ms); }
.board.shrink .lift { transform: scale(0); }
.tile .spin { position: absolute; inset: 0; transition: transform .42s cubic-bezier(.34, 1.45, .5, 1); }
.tile svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.tile path { fill: none; stroke-linecap: round; stroke-linejoin: round; }
.tile .tube { stroke-width: 22; transition: stroke .5s var(--ease); }
.tube.c0 { stroke: var(--t1); } .tube.c1 { stroke: var(--t2); } .tube.c2 { stroke: var(--t3); }
.board.solved .tile::before { background: color-mix(in srgb, var(--paper) 78%, var(--t3)); }
.board.solved .lift { animation: glow 1.6s var(--ease) both; animation-delay: calc(var(--d, 0) * 70ms); }
@keyframes glow {
  0%, 100% { filter: drop-shadow(0 3px 2px rgba(0, 0, 0, .2)) drop-shadow(0 0 0 rgba(255, 214, 140, 0)) brightness(1); }
  35% { filter: drop-shadow(0 3px 2px rgba(0, 0, 0, .2)) drop-shadow(0 0 12px rgba(255, 214, 140, .95)) brightness(1.12); }
}
}
.noscript-art { border-radius: 20px; }

/* Il filo: si divide, si intreccia e si riunisce; si disegna da sinistra quando entra in vista.
   Ogni tubo ha bordo, corpo, riflesso e luce a tinta piena, illuminato dall'alto come le tavole 3D. */
.filo { display: block; width: 100%; height: clamp(160px, 18vw, 260px); margin: clamp(24px, 4vw, 56px) 0 0; overflow: visible; }
.filo use { fill: none; stroke-linejoin: round; stroke-linecap: round; }
.filo .ombra { stroke: rgba(40, 28, 18, .2); stroke-width: 20; transform: translateY(9px); }
.filo .bordo { stroke-width: 22; } .filo .corpo { stroke-width: 18; } .filo .riflesso { stroke-width: 7; } .filo .luce { stroke-width: 2.4; }
.filo .b1 { stroke: color-mix(in srgb, var(--t1) 80%, #000); } .filo .c1 { stroke: var(--t1); }
.filo .r1 { stroke: color-mix(in srgb, var(--t1) 68%, #fff); } .filo .l1 { stroke: color-mix(in srgb, var(--t1) 25%, #fff); }
.filo .b2 { stroke: color-mix(in srgb, var(--t2) 80%, #000); } .filo .c2 { stroke: var(--t2); }
.filo .r2 { stroke: color-mix(in srgb, var(--t2) 68%, #fff); } .filo .l2 { stroke: color-mix(in srgb, var(--t2) 25%, #fff); }
.filo .b3 { stroke: color-mix(in srgb, var(--t3) 80%, #000); } .filo .c3 { stroke: var(--t3); }
.filo .r3 { stroke: color-mix(in srgb, var(--t3) 68%, #fff); } .filo .l3 { stroke: color-mix(in srgb, var(--t3) 25%, #fff); }
.filo .bordo, .filo .corpo, .filo .riflesso, .filo .luce { transition: stroke .5s var(--ease); }
/* Prima di disegnarsi i tratti sono nascosti; senza animazioni (o senza JavaScript) si vedono subito interi. */
.js .filo .tratto { stroke-dasharray: 1000 1000; stroke-dashoffset: 1000; }
.js.filo-fermo .filo .tratto { stroke-dashoffset: 0; }

/* Sezioni */
section.block { padding-top: clamp(88px, 12vw, 150px); }
.head { max-width: 46em; margin-bottom: clamp(32px, 5vw, 56px); }
.head .lede { margin-top: 20px; }

/* Margine fra la colonna del contenuto e il bordo della finestra: lì vive la sfumatura della fila dei capitoli. */
:root { --gutter: 16px; --band: #EEE8DF; } /* il fondo delle scene come lo decodifica il browser dal WebP */
@media (min-width: 640px) { :root { --gutter: max(32px, calc((100vw - 1160px) / 2 + 32px)); } }
:root[data-theme="notte"], :root[data-theme="fornace"] { --band: #25373C; }
@media (prefers-color-scheme: dark) { :root:not([data-theme]) { --band: #25373C; } }
/* La sfumatura parte dal bordo della colonna e si spegne in pochi pixel: il contenuto fermo resta intero,
   quello che esce svanisce subito accanto alla colonna invece di attraversare tutto il margine. */
.edge-fade {
  --fade: min(110px, var(--gutter));
  -webkit-mask-image: linear-gradient(to right, transparent 0, transparent calc(var(--gutter) - var(--fade)), #000 var(--gutter), #000 calc(100% - var(--gutter)), transparent calc(100% - var(--gutter) + var(--fade)), transparent 100%);
  mask-image: linear-gradient(to right, transparent 0, transparent calc(var(--gutter) - var(--fade)), #000 var(--gutter), #000 calc(100% - var(--gutter)), transparent calc(100% - var(--gutter) + var(--fade)), transparent 100%);
}

/* Intrecci, raccontati allo scorrere: la scena resta ferma a sinistra e scivola alla modalità del testo che arriva al centro. */
.art-dark { display: none; }
:root[data-theme="notte"] .art-light, :root[data-theme="fornace"] .art-light { display: none; }
:root[data-theme="notte"] .art-dark, :root[data-theme="fornace"] .art-dark { display: block; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) .art-light { display: none; }
  :root:not([data-theme]) .art-dark { display: block; }
}
.story-grid { display: grid; gap: 40px; }
.story-stage { display: none; }
.stage-window { border-radius: 32px; overflow: hidden; background: var(--band); aspect-ratio: 4 / 3; transition: background-color .5s var(--ease); }
.stage-track { height: 100%; transition: transform .7s cubic-bezier(.6, 0, .2, 1); }
.stage-track .frame { height: 100%; }
.stage-track img, .step-art img { width: 100%; height: 100%; object-fit: cover; }
.story-dots { display: flex; gap: 8px; justify-content: center; margin: 18px 0 0; padding: 0; list-style: none; }
.story-dots a {
  display: block; padding: 8px 14px; border-radius: 999px; font-size: 14px; font-weight: 600; color: var(--muted); text-decoration: none;
  transition: background-color .3s var(--ease), color .3s var(--ease);
}
.story-dots a[aria-current] { background: var(--paper); color: var(--ink); box-shadow: 0 1px 3px var(--shadow); }
.step .num { font: 500 12px/1 var(--mono); letter-spacing: .2em; color: var(--accent); margin: 22px 0 12px; }
.step h3 { font-size: clamp(30px, 3.4vw, 42px); margin-bottom: 14px; }
.step p { color: var(--muted); max-width: 30em; }
.step { scroll-margin-top: 22vh; }
.step-art { border-radius: 26px; overflow: hidden; background: var(--band); aspect-ratio: 4 / 3; }
.story-steps .step + .step { margin-top: 56px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; padding: 0; list-style: none; }
.chips li { font: 500 12px/1 var(--mono); letter-spacing: .08em; padding: 9px 12px; border-radius: 999px; border: 1px solid var(--line); color: var(--ink); }
@media (min-width: 960px) {
  /* La scena ferma sta al centro della finestra: larghezza della colonna sinistra, 4:3, più gli indicatori sotto. */
  .story-grid { --stage-w: calc((min(100vw, 1160px) - 64px - 72px) * 1.25 / 2); --stage-h: calc(var(--stage-w) * .75 + 58px);
    grid-template-columns: 1.25fr .75fr; gap: 72px; align-items: start; }
  .story-stage { display: block; position: sticky; top: max(84px, calc(50vh + 34px - var(--stage-w) * .375)); }
  .step-art { display: none; }
  /* Ogni testo è alto quanto la scena, con il contenuto al centro: quando è attivo, è allineato alla scena. */
  .story-steps .step { min-height: max(var(--stage-h), 64vh); display: flex; flex-direction: column; justify-content: center; margin: 0; }
  .story-steps .step + .step { margin-top: 0; }
  .story-steps .step:first-child { min-height: var(--stage-h); }
  /* Il testo della modalità in scena è pieno, gli altri restano un passo indietro. */
  .step { transition: color .4s var(--ease); }
  .step:not(.active) h3, .step:not(.active) p, .step:not(.active) .num { color: color-mix(in srgb, var(--muted) 55%, transparent); }
  .step:not(.active) .chips li { color: var(--muted); }
}

/* Risveglio */
.awake { display: grid; gap: 28px; align-items: center; }
@media (min-width: 960px) { .awake { grid-template-columns: .8fr 1.2fr; gap: 64px; } }
.awake .stage img { width: 100%; }
.chapters { display: flex; flex-wrap: wrap; gap: 8px; margin: 24px 0 0; padding: 0; list-style: none; }
.chapters li { font-size: 14px; padding: 7px 13px; border-radius: 999px; background: var(--surface); color: var(--ink); transition: background-color .5s; }
.chapters li span { font: 500 11px/1 var(--mono); color: var(--muted); margin-right: 6px; }

.rail-head { display: flex; align-items: end; justify-content: space-between; gap: 16px; margin: clamp(56px, 8vw, 88px) 0 22px; }
.rail-head h3 { font-size: clamp(26px, 3vw, 34px); }
.rail-nav { display: flex; gap: 8px; }
.rail-nav button {
  width: 44px; height: 44px; border-radius: 50%; border: 1px solid var(--line); background: var(--paper); cursor: pointer; display: grid; place-items: center;
  transition: border-color .2s, opacity .2s;
}
.rail-nav button:hover { border-color: var(--ink); }
.rail-nav button:disabled { opacity: .35; cursor: default; border-color: var(--line); }
.rail-nav svg { width: 18px; height: 18px; }
.rail {
  display: grid; grid-auto-flow: column; grid-auto-columns: minmax(230px, 72%); gap: 16px; overflow-x: auto; overflow-y: hidden; scroll-snap-type: x mandatory;
  margin: 0 calc(-1 * var(--gutter)); padding: 4px var(--gutter) 18px; scroll-padding-inline: var(--gutter);
  list-style: none; scrollbar-width: none; overscroll-behavior-x: none; /* solo in orizzontale, senza rimbalzo */
}
@media (min-width: 640px) { .rail { grid-auto-columns: calc((100% - 16px) / 2); } }
.rail::-webkit-scrollbar { display: none; }
@media (min-width: 960px) { .rail { grid-auto-columns: calc((100% - 48px) / 4); } }
.rail li { scroll-snap-align: start; background: var(--paper); border: 1px solid var(--line); border-radius: 26px; padding: 18px 18px 22px; transition: background-color .5s, transform .5s var(--ease); }
.rail img { width: 100%; aspect-ratio: 1; object-fit: cover; border-radius: 18px; margin-bottom: 18px; background: var(--stage); }
.rail h4 { font: 500 21px/1.2 var(--serif); margin: 0 0 6px; }
.rail p { font-size: 15px; color: var(--muted); margin: 0; }

/* Atmosfere: i quattro temi cambiano davvero la pagina */
.themes { display: grid; gap: 32px; align-items: center; }
@media (min-width: 960px) { .themes { grid-template-columns: 1fr 1fr; gap: 64px; } }
.swatches { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 0; padding: 0; list-style: none; }
.swatch {
  width: 100%; text-align: left; border: 1px solid var(--line); background: var(--paper); border-radius: 20px; padding: 16px; cursor: pointer;
  display: grid; grid-template-columns: auto 1fr; gap: 4px 14px; align-items: center; transition: border-color .25s, background-color .5s, transform .2s var(--ease);
}
.swatch:hover { transform: translateY(-2px); }
.swatch[aria-pressed="true"] { border-color: var(--ink); box-shadow: inset 0 0 0 1px var(--ink); }
.swatch .dots { grid-row: span 2; display: flex; }
.swatch .dots i { width: 16px; height: 34px; border-radius: 99px; margin-right: -4px; box-shadow: 0 0 0 2px var(--paper); }
.swatch b { font: 500 20px/1.1 var(--serif); }
.swatch span { font-size: 13px; color: var(--muted); line-height: 1.35; }
.mini-stage { background: var(--surface); border-radius: 32px; padding: clamp(22px, 4vw, 40px); transition: background-color .5s var(--ease); }
.mini-stage .board { max-width: 340px; pointer-events: none; }
.themes .fine { margin-top: 18px; }

/* Fatto con cura */
.care { display: grid; gap: 0; margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
@media (min-width: 720px) { .care { grid-template-columns: repeat(2, 1fr); column-gap: 48px; } }
@media (min-width: 1040px) { .care { grid-template-columns: repeat(3, 1fr); } }
.care li { padding: 26px 0; border-bottom: 1px solid var(--line); display: grid; grid-template-columns: 40px 1fr; gap: 16px; }
.care svg { width: 28px; height: 28px; stroke: var(--accent); fill: none; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; margin-top: 2px; }
.care b { display: block; font: 500 20px/1.25 var(--serif); margin-bottom: 4px; }
.care span { color: var(--muted); font-size: 15px; }

/* Prezzi */
.plans { display: grid; gap: 16px; }
@media (min-width: 820px) { .plans { grid-template-columns: 1fr 1fr; } }
.plan { border-radius: 30px; padding: clamp(26px, 4vw, 40px); background: var(--paper); border: 1px solid var(--line); transition: background-color .5s; }
.plan .price { font: 400 clamp(44px, 5vw, 60px)/1 var(--serif); margin: 18px 0 6px; letter-spacing: -.02em; }
.plan .per { font-size: 14px; color: var(--muted); margin-bottom: 22px; }
.plan ul { margin: 0; padding: 0; list-style: none; }
.plan li { padding: 11px 0 11px 30px; border-top: 1px solid var(--line); position: relative; }
.plan li::before { content: ""; position: absolute; left: 2px; top: 19px; width: 14px; height: 8px; border-left: 2px solid var(--t2); border-bottom: 2px solid var(--t2); transform: rotate(-45deg); }
.plan.full { background: var(--chip); color: var(--chip-ink); border-color: transparent; }
.plan.full .per, .plan.full li { color: color-mix(in srgb, var(--chip-ink) 82%, transparent); }
.plan.full li { border-top-color: color-mix(in srgb, var(--chip-ink) 16%, transparent); }
.plan.full li::before { border-color: var(--t3); }
.plan h3 { display: flex; justify-content: space-between; gap: 12px; align-items: baseline; }
.plan h3 small { font: 500 11px/1 var(--mono); letter-spacing: .16em; text-transform: uppercase; opacity: .7; }
.fine { font-size: 14px; color: var(--muted); margin-top: 16px; }

/* Chiusura */
.closing { text-align: center; padding-top: clamp(110px, 14vw, 180px); }
.closing h2 { font-size: clamp(48px, 8vw, 104px); margin-bottom: 30px; }
.closing p { color: var(--muted); margin-top: 20px; }

/* Entrata degli elementi: salgono di poco mentre compaiono, una volta sola. */
.js [data-reveal] { opacity: 0; transform: translateY(22px); transition: opacity .9s var(--ease), transform .9s var(--ease); transition-delay: var(--delay, 0s); }
.js [data-reveal].in { opacity: 1; transform: none; }

/* Pagine di testo */
.doc { max-width: 700px; padding-top: 48px; padding-bottom: 24px; }
.doc h1 { font-size: clamp(48px, 9vw, 72px); margin-bottom: 12px; }
.doc .agg { font: 500 12px/1.4 var(--mono); letter-spacing: .16em; text-transform: uppercase; color: var(--muted); margin-bottom: 32px; }
.doc h2 { font-size: 28px; margin: 48px 0 12px; }
.doc h3 { font-size: 20px; margin: 30px 0 6px; }
.doc ul { padding-left: 1.2em; } .doc li { margin-bottom: .4em; } .doc li::marker { color: var(--t1); }
.doc .summary { font: 400 21px/1.45 var(--serif); background: var(--paper); border: 1px solid var(--line); border-radius: 22px; padding: 22px 24px; }
.doc .summary p:last-child { margin: 0; }
.doc .summary + p { margin-top: 18px; }
.doc hr { border: 0; border-top: 1px solid var(--line); margin: 56px 0 8px; }
.doc .mail { font: 500 clamp(19px, 4.6vw, 24px)/1.3 var(--serif); }
.doc .lang { font-size: 15px; color: var(--muted); }
.doc details { border-bottom: 1px solid var(--line); padding: 4px 0; }
.doc details:first-of-type { border-top: 1px solid var(--line); }
.doc summary { cursor: pointer; list-style: none; padding: 14px 32px 14px 0; position: relative; font: 500 19px/1.35 var(--serif); }
.doc summary::-webkit-details-marker { display: none; }
.doc summary::after { content: "+"; position: absolute; right: 4px; top: 12px; font: 400 22px/1 var(--sans); color: var(--accent); transition: transform .3s var(--ease); }
.doc details[open] summary::after { transform: rotate(45deg); }
.doc details > div { padding: 0 0 12px; color: var(--muted); }

/* Piede */
footer { margin-top: clamp(100px, 12vw, 150px); border-top: 1px solid var(--line); }
footer .wrap { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 14px 24px; padding-top: 30px; padding-bottom: 44px; font-size: 14px; color: var(--muted); }
footer nav { display: flex; gap: 22px; }
footer a { color: var(--muted); text-decoration: none; }
footer a:hover { color: var(--ink); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; animation-delay: 0s !important; }
  .js [data-reveal] { opacity: 1; transform: none; }
  .js .filo .tratto { stroke-dashoffset: 0; }
}

/* Ritardi per l'entrata, senza stili in linea (la CSP non li permette). */
.delay-1 { --delay: .08s; } .delay-2 { --delay: .16s; } .delay-3 { --delay: .24s; }
h3 em { font-style: italic; font-weight: 400; color: var(--accent); }
.dots.argilla i:nth-child(1) { background: #CE7557; } .dots.argilla i:nth-child(2) { background: #819179; } .dots.argilla i:nth-child(3) { background: #D3AE71; }
.dots.fornace i:nth-child(1) { background: #E08A68; } .dots.fornace i:nth-child(2) { background: #9DAF95; } .dots.fornace i:nth-child(3) { background: #E3BF82; }
.dots.marea i:nth-child(1) { background: #4D8795; } .dots.marea i:nth-child(2) { background: #8EB4AA; } .dots.marea i:nth-child(3) { background: #C6937D; }
.dots.notte i:nth-child(1) { background: #E7AF70; } .dots.notte i:nth-child(2) { background: #829BBA; } .dots.notte i:nth-child(3) { background: #A5B6A0; }
.awake h2, .themes h2 { margin-bottom: 20px; }