@font-face{font-family:Newsreader;src:url('./assets/newsreader.woff2')}@font-face{font-family:Manrope;src:url('./assets/manrope.woff2')}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#f1f3f2;color:#102a42;font-family:Manrope,sans-serif;font-size:16px}a{color:inherit}header{display:flex;justify-content:space-between;align-items:center;padding:24px 4vw}header a{text-decoration:none}.brand{font-size:26px;font-weight:800;letter-spacing:-.06em}.brand span{color:#1765cb}h1,h2,h3,p,blockquote{margin:0}h1,h2{letter-spacing:-.055em;line-height:1.02}h1{font-size:clamp(50px,6vw,96px);max-width:900px;view-transition-name:vk-title}h2{font-size:clamp(42px,5vw,76px)}.hero{min-height:85svh;padding:9vh 4vw 6vh;display:grid;grid-template-columns:1.1fr .9fr;gap:8vw;align-items:end}.hero p{max-width:480px;margin:30px 0;line-height:1.6}.jump{display:inline-block;padding:16px 0;font-weight:700}.hero blockquote{font:clamp(35px,4vw,65px)/1.1 Newsreader,serif;border-left:5px solid #1765cb;padding-left:28px}.hero small{display:block;font:16px Manrope,sans-serif;margin-top:25px}.reading{height:230vh;background:#dfe7ea}.sticky{position:sticky;top:0;height:100svh;padding:5vh 4vw;display:flex;flex-direction:column;justify-content:center}.reading-head{display:flex;justify-content:space-between;margin-bottom:4vh;font-size:14px}.letter-grid{display:grid;grid-template-columns: 2fr 1fr;gap:9vw}.letter{font:clamp(21px,2.35vw,35px)/1.22 Newsreader,serif;max-width:1000px}.letter p{margin-bottom:.65em}.letter strong{font-weight:600;color:#0655bb}.courtesy{transition:opacity .2s}.margins{display:flex;flex-direction:column;justify-content:center;gap:4vh}.note{border-left:3px solid #1765cb;padding-left:18px;line-height:1.5}.vk-js .note{opacity:var(--note,0);transition:opacity .25s}.vk-js .courtesy{opacity:var(--courtesy,1)}.action,.try{padding:15vh 4vw;display:grid;grid-template-columns:1fr 1fr;gap:12vw}.action>div:first-child p,.try>div:first-child p{line-height:1.6;max-width:450px;margin-top:30px}.task{background:#fff;padding:32px;align-self:center}.task h3{font-size:28px;letter-spacing:-.04em;margin:45px 0 20px}.task p{line-height:1.6;margin-top:20px}.task span{float:right;color:#1754a1}.try{background:#0c3155;color:white}.exercise{align-self:center}.exercise label{display:block;margin-bottom:12px}.exercise select{width:100%;padding:18px;font:inherit;color:#102a42;background:white}.exercise>p{margin:30px 0 12px}.choices{display:flex;gap:8px}.choices button{font:inherit;cursor:pointer;padding:14px 24px;background:transparent;border:2px solid white;color:white}.choices button:hover,.choices button:focus-visible{background:white;color:#0c3155}#result{min-height:140px;margin-top:30px;font:28px/1.25 Newsreader,serif}.closing{padding:17vh 4vw;background:#dfe7ea}.closing p{font:clamp(38px,5vw,72px)/1.05 Newsreader,serif;max-width:1000px}.closing a{display:inline-block;margin-top:40px} :focus-visible{outline:3px solid #e36c36;outline-offset:4px} @media(max-width:700px){.hero{display:block;min-height:auto;padding:9vh 5vw}.hero blockquote{margin-top:70px}.reading{height:auto}.sticky{position:relative;height:auto;padding:60px 5vw}.reading-head{gap:20px}.letter-grid{display:block}.letter{font-size:23px}.margins{margin-top:35px;gap:20px}.vk-js .note,.vk-js .courtesy{opacity:1}.action,.try{padding:80px 5vw;display:block}.task,.exercise{margin-top:50px}.closing{padding:90px 5vw}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.vk-js .note,.vk-js .courtesy{opacity:1}}

.turn,.practice,.principle{padding:14vh 4vw;min-height:80svh;display:grid;grid-template-columns:1fr 1fr;gap:10vw;align-items:center}.turn{background:#155ac0;color:white}.turn p{font:clamp(30px,3vw,48px)/1.15 Newsreader,serif}.turn strong{display:block;font:clamp(42px,5vw,80px)/1 Newsreader,serif}.turn span{display:block;margin-top:28px}.practice p,.principle p{font-size:20px;line-height:1.6;margin-bottom:1.5em}.principle{background:#dfe7ea}.exercise blockquote{font:clamp(23px,2vw,32px)/1.35 Newsreader,serif;margin:30px 0;max-width:34em}.task{border-top:9px solid #1765cb}.task:before{content:"↓  Dalla risposta alla colonna del venditore";display:block;color:#1754a1;font-size:14px}.letter strong{background:linear-gradient(transparent 65%,#b7d1f7 65%)}@media(max-width:700px){.turn,.practice,.principle{display:block;min-height:auto;padding:90px 5vw}.turn div,.practice div,.principle p{margin-top:45px}}
:root{--vk-display:Newsreader,serif;--vk-text:Manrope,sans-serif}header a,.closing a,.jump{min-height:44px;display:inline-flex;align-items:center}@font-face{font-family:Newsreader;src:url('./assets/newsreader.woff2');font-display:swap}@font-face{font-family:Manrope;src:url('./assets/manrope.woff2');font-display:swap}

#fold{font:inherit;min-height:48px;padding:12px;background:#1754a1;color:white;border:0;cursor:pointer}#fragments{display:grid;gap:8px;margin:25px 0}#fragments span{display:block;background:#e5eefb;padding:12px;font-size:14px}#fragments.folded{display:flex;flex-wrap:wrap;gap:4px}#fragments.folded span{padding:5px 8px;background:#d3e4fb}

#score{font-size:14px}#sentence-reading h3{margin:32px 0 12px}#sentence-reading p{padding:18px 0;border-top:1px solid #7893aa;line-height:1.5}#sentence-reading q,#sentence-reading span{display:block}#sentence-reading span{margin-top:8px;color:#d0e0f1;font-size:14px}

.day{padding:16vh 4vw;background:#f8faf9;display:grid;grid-template-columns:1fr 1.3fr;gap:10vw}.day>div>p{line-height:1.6;margin:24px 0;max-width:32em}.day ol{list-style:none;padding:0;margin:0}.day li{display:grid;grid-template-columns:110px 1fr auto;gap:20px;border-top:1px solid #9cabb4;padding:24px 0}.day li h3{font-size:20px}.day li p{line-height:1.5;margin-top:10px}.day time,.day li>span{font-size:13px;color:#1754a1}@media(max-width:700px){.day{display:block;padding:90px 5vw}.day ol{margin-top:50px}.day li{grid-template-columns:1fr auto}.day li div{grid-column:1/-1;grid-row:2}}
/* Regia: la corrispondenza occupa la scena, poi entra nella colonna. */
.hero{min-height:100svh;display:flex;flex-direction:column;justify-content:center;align-items:flex-start;padding:5vw;gap:2rem}.hero h1{font:600 clamp(64px,10vw,155px)/.91 Newsreader,serif;letter-spacing:-.055em;max-width:14ch}.hero p{font:clamp(24px,3vw,45px)/1.1 Manrope,sans-serif;margin:0;max-width:none}header{background:#dfe7ea}.reading{height:400vh}.sticky{overflow:hidden}.letter-grid{display:block}.letter{max-width:none;width:95%;font-size:clamp(23px,2.5vw,39px);line-height:1.15;transform-origin:top left;transform:translateY(calc(var(--fold, 0) * -8vh)) scale(calc(1 - var(--fold, 0) * .45));opacity:calc(1 - var(--fold, 0) * .8)}.letter p{margin-bottom:.45em}.letter strong{background:none;display:inline-block;transform:scale(calc(1 + var(--emphasis, 0) * .12));transform-origin:left;color:#0655bb}.margins{position:absolute;right:3%;top:20%;width:23%;pointer-events:none;gap:4vh}.note{font:italic 26px/1.05 cursive;color:#174da0;border:0;transform:rotate(-5deg);text-shadow:1px 1px #dfe7ea}.note:nth-child(2){transform:rotate(4deg)}.scribble{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}.scribble path{fill:none;stroke:#1754a1;stroke-width:3;stroke-linecap:round;stroke-dasharray:1300;stroke-dashoffset:calc(1300 - var(--draw, 0) * 1300)}.scene-task{position:absolute;right:5vw;bottom:12vh;width:min(40vw,500px);padding:2rem;background:white;border-top:8px solid #1765cb;opacity:var(--show,0);transition:opacity .25s;transform:translateY(calc((1 - var(--fold, 0)) * 100px));font-size:18px}.scene-task .task-title{font-size:30px;font-weight:700;margin:1rem 0}.scene-task span{display:block;margin-top:1rem;color:#1754a1}.try{min-height:100svh;display:block}.try>div:first-child p{max-width:none}.exercise{margin-top:4vh}.exercise blockquote{font-size:clamp(30px,4vw,60px);max-width:27em}.choices button{font-size:clamp(24px,3vw,44px);min-width:25%;padding:20px}.exercise select{max-width:500px}
@media(max-width:700px){.hero{min-height:100svh;padding:6vw}.hero h1{font-size:clamp(56px,13vw,90px)}.reading{height:370vh}.sticky{position:sticky;height:100svh;padding:4vh 5vw}.letter{width:100%;font-size:clamp(20px,5.1vw,27px);line-height:1.12}.margins{top:auto;bottom:18%;width:52%;right:3%;gap:1vh}.note{font-size:19px}.scene-task{width:85%;bottom:8%;padding:1rem}.scene-task .task-title{font-size:24px}.try{padding:8vh 5vw}.exercise blockquote{font-size:29px}.choices button{flex:1;min-width:0;padding:16px 5px}.reading-head{font-size:12px}}
@media(prefers-reduced-motion:reduce){.letter{transform:none;opacity:1}.scene-task{position:relative;opacity:1;clip-path:none;transform:none;width:100%;bottom:auto;right:auto}.reading{height:auto}.sticky{height:auto;position:relative}.scribble{display:none}}
.flying-phrase{position:absolute;left:10%;top:55%;font:600 clamp(24px,3vw,46px) Newsreader,serif;color:#0655bb;transform-origin:left;transform:translate(calc(var(--fold,0) * 45vw),calc(var(--fold,0) * 18vh)) scale(calc(1 - var(--fold,0) * .5));pointer-events:none}@media(prefers-reduced-motion:reduce){.flying-phrase{display:none}}
@media(max-width:700px){.letter{font-size:clamp(17px,4.3vw,20px);line-height:1.12}.margins{top:auto;bottom:9%;right:5%;width:90%;display:flex;flex-direction:row;align-items:flex-start;gap:8px}.note{flex:1;font-size:15px;background:#dfe7ea;padding:4px}.scribble{opacity:.55}.scene-task{z-index:2}.flying-phrase{z-index:3}}
@media(max-width:700px){.vk-js .note{opacity:var(--note,0);transition:opacity .25s}.vk-js .courtesy{opacity:var(--courtesy,1)}.letter strong{transform:none;font-size:calc(1em + var(--emphasis,0) * .06em)} }

/* La lettera e i suoi appunti condividono righe, mai lo stesso spazio. */
.letter-grid{display:block}.letter{width:100%;max-width:none;transform:none;opacity:1;font-size:clamp(19px,1.8vw,27px);line-height:1.16}.mail-row{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1fr);column-gap:4vw;align-items:center;margin-bottom:.4em}.mail-row p{margin:0;grid-column:1}.letter strong{display:inline;transform:none}.note{position:relative;grid-column:2;font:italic clamp(15px,1.3vw,20px)/1.15 cursive;transform:none!important;padding:0 0 0 24px;text-shadow:none}.note:before{content:'←';position:absolute;left:0;color:#1754a1}.key-phrase{outline:2px solid #1754a1;outline-offset:3px;border-radius:50%}.fold-row{display:grid;grid-template-rows:calc((1 - var(--collapse, 0)) * 1fr);transform:scaleY(calc(1 - var(--collapse, 0)));transform-origin:top;margin-bottom:calc(.4em * (1 - var(--collapse, 0)));overflow:hidden}.fold-row p{min-height:0}.key-row{grid-template-rows:calc((1 - min(1, var(--fold, 0) * 4)) * 1fr);transform:scaleY(calc(1 - min(1, var(--fold, 0) * 4)));transform-origin:top;margin-bottom:calc(.4em * (1 - min(1, var(--fold, 0) * 4)));overflow:hidden}.flying-phrase{top:0;left:0;font:600 calc(clamp(19px,1.8vw,27px) * 1.06)/1.16 Newsreader,serif;opacity:var(--fly,0);transition:opacity .2s;transform:translate(calc(var(--flyp,0) * var(--dx,0px)),calc(var(--flyp,0) * var(--dy,0px)));z-index:3}.scene-task{z-index:2}
@media(max-width:700px){.letter{font-size:clamp(15px,3.8vw,17px);line-height:1.13}.mail-row{display:block;margin-bottom:.35em}.note{display:block;margin:.15em 0 .3em 1em;padding:0 0 0 18px;font-size:14px;background:none}.note:before{content:'↖'}.fold-row{display:grid}.flying-phrase{font-size:calc(clamp(15px,3.8vw,17px) * 1.06)}.scene-task{width:85%;bottom:5%}}
@media(prefers-reduced-motion:reduce){.fold-row{display:grid;grid-template-rows:1fr;opacity:1;transform:none}.note{opacity:1!important;transition:none}.flying-phrase{transition:none}.vk-js .key-phrase{opacity:1!important;transition:none}}
.vk-js .key-phrase{opacity:var(--key,1);transition:opacity .2s}
/* Ogni riga conserva il suo posto: la carta ruota attorno al bordo superiore. */
.fold-row,.key-row{display:grid;grid-template-rows:auto;transform:none;margin-bottom:.4em;overflow:visible}
.fold-row{perspective:700px}
.fold-control{grid-column:1;position:relative;display:block;width:100%;padding:2px 5px;text-align:left;font:inherit;line-height:inherit;color:inherit;background:#edf1ef;border:0;cursor:pointer;transform-origin:top;transform:rotateX(calc(var(--collapse, 0) * -68deg));box-shadow:0 7px 9px rgba(16,42,66,.18)}
.fold-control::after{content:'';position:absolute;inset:0;background:#526777;opacity:calc(var(--collapse, 0) * .25);pointer-events:none}
.fold-row.is-open .fold-control{transform:rotateX(0deg);box-shadow:none}
.fold-row.is-open .fold-control::after{opacity:0}
.fold-control:focus-visible{outline:3px solid #e36c36;outline-offset:3px}
.flying-phrase,.scene-task{display:none}.vk-js .key-phrase{opacity:1}.key-phrase{outline:0;border-radius:0}
@media(prefers-reduced-motion:reduce){.fold-control{transform:none;box-shadow:none}.fold-control::after{opacity:0}}
.fold-control{min-height:44px;transform:none;box-shadow:none;background:transparent;padding:0}
.fold-control span{display:block;position:relative;padding:6px;background:#edf1ef;transform-origin:top;transform:rotateX(calc(var(--collapse, 0) * -68deg));box-shadow:0 7px 9px rgba(16,42,66,.18)}
.fold-control::after{display:none}.fold-row.is-open .fold-control span{transform:none;box-shadow:none}
.vk-js .note{transition:none}
@media(prefers-reduced-motion:reduce){.fold-control span{transform:none;box-shadow:none}}

/* La frase lascia la carta solo dopo le pieghe; il resto si ritira per farle spazio. */
.key-phrase{text-decoration:underline;text-decoration-color:#1765cb;text-decoration-thickness:2px;text-underline-offset:.18em}
.scene-task{display:block;position:relative;right:auto;bottom:auto;width:100%;opacity:1;transform:none;margin-top:2rem}
.flying-phrase{display:none}
@media (prefers-reduced-motion:no-preference){
 .vk-js .letter-grid{opacity:calc(1 - var(--departure,0))}
 .vk-js .key-phrase{opacity:calc(1 - var(--flight-visible,0))}
 .vk-js .scene-task{position:absolute;right:5vw;bottom:12vh;width:min(40vw,500px);margin:0;opacity:var(--task-visible,0);transform:none;transition:none}
 .vk-js .scene-task .task-title{opacity:var(--title-visible,0)}
 .vk-js .flying-phrase{display:block;font-size:clamp(19px,1.8vw,27px);opacity:var(--flight-visible,0);transition:none;transform:translate(calc(var(--flyp,0) * var(--dx,0px)),calc(var(--flyp,0) * var(--dy,0px)));text-decoration:underline;text-decoration-color:#1765cb;text-decoration-thickness:2px;text-underline-offset:.18em}
}
html:not(.vk-js) .reading{height:auto}
html:not(.vk-js) .sticky{height:auto;position:relative}
@media(max-width:700px) and (prefers-reduced-motion:no-preference){
 .vk-js .scene-task{right:5%;bottom:12%;width:90%;padding:1.25rem}
 .vk-js .flying-phrase{font-size:clamp(15px,3.8vw,17px)}
}