/* SOLOB, sito vetrina. Valori e motivazioni in DESIGN.md. */

@font-face{font-family:Manrope;src:url(../fonts/Manrope.ttf) format("truetype");font-weight:200 800;font-display:swap}
@font-face{font-family:Syne;src:url(../fonts/Syne.ttf) format("truetype");font-weight:400 800;font-display:swap}
@font-face{font-family:"Barlow Condensed";src:url(../fonts/BarlowCondensed-SemiBold.ttf) format("truetype");font-weight:600;font-display:swap}
@font-face{font-family:Italiana;src:url(../fonts/Italiana-Regular.ttf) format("truetype");font-display:swap}

:root{
  --paper:#F1F5FC;
  --ink:#101A3A;
  --muted:#525C7A;
  --line:#D5DCF2;
  --blue:#2850D9;
  --star:#5B85F5;
  --ease:cubic-bezier(.22,1,.36,1);
  --m:20px;
  --ph:min(78svh,740px);
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:64px}
body{margin:0;background:var(--paper);color:var(--ink);font:400 16px/1.6 Manrope,system-ui,sans-serif;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
p,h1,h2,ul,ol,figure{margin:0;padding:0}
ul,ol{list-style:none}
:focus-visible{outline:2px solid currentColor;outline-offset:3px}
[tabindex="-1"]:focus{outline:none}

.vh{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
.skip{position:fixed;left:16px;top:-80px;z-index:100;background:var(--ink);color:var(--paper);padding:12px 18px;border-radius:999px}
.skip:focus{top:12px}

/* Toni: ogni scena dichiara il suo, intestazione e contatore lo seguono.
   paper, ink e blue sono SOLOB; orm, signal e velune sono la voce degli esempi. */
[data-tone=paper]{--bg:var(--paper);--fg:var(--ink);--soft:var(--muted);--rule:var(--line);--btn:var(--blue);--btn-fg:#fff;--spark:var(--star)}
[data-tone=ink]{--bg:var(--ink);--fg:var(--paper);--soft:#C2CBE8;--rule:rgb(241 244 253 / .22);--btn:var(--paper);--btn-fg:var(--ink);--spark:var(--star)}
[data-tone=blue]{--bg:var(--blue);--fg:#fff;--soft:#E4EAFF;--rule:rgb(255 255 255 / .3);--btn:#fff;--btn-fg:var(--blue);--spark:var(--star)}
[data-tone=orm]{--bg:#101010;--fg:#E8E6DF;--soft:#BDBBB4;--rule:rgb(232 230 223 / .24);--btn:#E8E6DF;--btn-fg:#101010;--spark:var(--star)}
[data-tone=signal]{--bg:#F0623A;--fg:#22201E;--soft:#22201E;--rule:rgb(34 32 30 / .35);--btn:#22201E;--btn-fg:#FFFEFA;--spark:#FFFEFA}
[data-tone=velune]{--bg:#602436;--fg:#F5F0E8;--soft:#EADDD8;--rule:rgb(245 240 232 / .3);--btn:#F5F0E8;--btn-fg:#602436;--spark:#F5F0E8}

/* Intestazione */
.top{position:fixed;inset:0 0 auto;z-index:30;display:flex;align-items:center;justify-content:space-between;height:64px;padding:0 var(--m);color:var(--fg);background:var(--bg);transition:color .3s,background-color .3s}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:22px;letter-spacing:-.04em;line-height:44px}
.brand img{width:38px;height:38px}
.top-nav{display:none}
.menu-btn{min-height:44px;min-width:44px;font-weight:500}

.menu{position:fixed;inset:0;width:100%;max-width:none;height:100%;max-height:none;margin:0;border:0;padding:24px var(--m);background:var(--ink);color:var(--paper)}
.menu[open]{display:flex;flex-direction:column;animation:menu-in .45s var(--ease)}
.menu::backdrop{background:transparent}
.menu-close{align-self:flex-end;min-height:44px;font-weight:500}
.menu nav{display:flex;flex-direction:column;gap:8px;margin-top:auto;margin-bottom:auto}
.menu nav a{font-weight:800;font-size:clamp(34px,10vw,56px);line-height:1.2;letter-spacing:-.03em}
@keyframes menu-in{from{opacity:0;transform:translateY(16px)}}

/* Scene */
.scene{position:relative;display:flex;flex-direction:column;justify-content:center;min-height:100svh;padding:112px var(--m) 64px;background:var(--bg);color:var(--fg);overflow:hidden}
.scene__body{position:relative;z-index:6;max-width:44rem}

.eyebrow{font-size:13px;font-weight:600;line-height:1.3;color:var(--soft);margin-bottom:20px}
.display{font-weight:800;font-size:clamp(42px,min(6.2vw,11.5svh),104px);line-height:.98;letter-spacing:-.035em;text-wrap:balance}
.display em{font-style:normal;color:var(--blue)}
.display--m{font-size:clamp(36px,min(5vw,9.2svh),80px);line-height:1.02;letter-spacing:-.03em}
.lead{max-width:34em;margin-top:24px;font-weight:500;font-size:clamp(18px,1.5vw,22px);line-height:1.45;letter-spacing:-.01em;color:var(--fg);text-wrap:pretty}
.note{margin-top:16px;font-size:13px;line-height:1.4;color:var(--soft)}

.actions{display:flex;flex-wrap:wrap;align-items:center;gap:16px 28px;margin-top:32px}
.actions--tight{gap:12px}
.btn{display:inline-flex;align-items:center;gap:12px;min-height:52px;padding:0 28px;border-radius:999px;background:var(--btn);color:var(--btn-fg);font-weight:600;transition:transform .14s var(--ease),background-color .18s,color .18s}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn--ghost{background:transparent;color:var(--fg);box-shadow:inset 0 0 0 1.5px var(--fg)}
.link{display:inline-flex;align-items:center;min-height:44px;font-weight:500;border-bottom:1px solid var(--fg);transition:opacity .18s}
.link:hover{opacity:.6}
.arr{width:16px;height:16px;flex:none}
.arr--up{transform:rotate(-45deg)}
.arr--down{transform:rotate(135deg)}

/* Righe di contenuto */
.rows{margin-top:32px;border-bottom:1px solid var(--rule)}
.rows li{display:grid;gap:4px;padding:14px 0;border-top:1px solid var(--rule)}
.rows strong{font-weight:700;font-size:18px;line-height:1.3;letter-spacing:-.01em}
.rows span{color:var(--soft);line-height:1.5}
.rows--num{counter-reset:s}
.rows--num li{counter-increment:s;grid-template-columns:32px 1fr}
.rows--num li::before{content:counter(s);grid-row:span 2;font-weight:800;font-size:18px;line-height:1.3;color:var(--blue)}

/* Voci degli esempi */
.mark{line-height:.92}
.mark--orm{font-family:Syne,Manrope,sans-serif;font-weight:800;font-size:clamp(84px,min(12vw,27svh),200px);letter-spacing:-.02em}
.mark--sideways{display:flex;align-items:center;gap:.14em;font-family:"Barlow Condensed",Manrope,sans-serif;font-weight:600;text-transform:uppercase;font-size:clamp(76px,min(13.5vw,27svh),216px);letter-spacing:-.005em}
.mark--sideways i{flex:none;width:.26em;height:.42em;background:repeating-linear-gradient(var(--fg) 0 22%,transparent 22% 39%)}
.mark--velune{font-family:Italiana,serif;font-weight:400;font-size:clamp(68px,min(11.5vw,23svh),184px);letter-spacing:.05em;text-transform:uppercase}

/* Telefono nel flusso (schermi piccoli) */
.inline-phone{position:relative;z-index:6;width:min(64vw,300px);aspect-ratio:.49;margin:40px auto -96px;padding:9px;border-radius:40px;background:#0B1228;box-shadow:0 0 0 1px rgb(255 255 255 / .14),0 28px 60px rgb(11 18 40 / .3)}
.inline-phone img{width:100%;height:100%;object-fit:cover;object-position:top;border-radius:31px}
.scene:has(.inline-phone){padding-bottom:0}

/* Stage: il telefono e la stella del logo attraversano le scene. */
.stage{display:none;position:fixed;inset:0;z-index:5;pointer-events:none}
.rig{--x:73;--y:135;--r:6;--s:1;--sl:84%;position:absolute;left:0;top:0;width:calc(var(--ph) * .49);height:var(--ph);transform:translate3d(calc(var(--x) * 1vw - 50%),calc(var(--y) * 1vh - 50%),0) rotate(calc(var(--r) * 1deg)) scale(var(--s));transition:transform 1.1s var(--ease);will-change:transform}
.spark{position:absolute;top:5%;left:var(--sl);width:calc(var(--ph) * .3);height:calc(var(--ph) * .3);color:var(--spark);transform:rotate(calc(var(--r) * 9deg));transition:transform 1.1s var(--ease),left 1.1s var(--ease),color .3s}
.phone{position:relative;width:100%;height:100%;padding:10px;border-radius:44px;background:#0B1228;box-shadow:0 0 0 1px rgb(255 255 255 / .14),0 40px 80px rgb(11 18 40 / .3)}
.phone-screen{position:relative;width:100%;height:100%;overflow:hidden;border-radius:34px;background:var(--ink)}
.phone-screen>*{position:absolute;inset:0;width:100%;height:100%;opacity:0;transform:translateY(5%) scale(1.02);transition:opacity .55s linear,transform .9s var(--ease)}
.phone-screen>img{object-fit:cover;object-position:top}
.phone-screen>.is-on{opacity:1;transform:none}

.stage[data-pose=cover] .rig{--x:73;--y:54;--r:6;--s:1}
.stage[data-pose=perche] .rig{--x:24;--y:56;--r:-8;--s:.94;--sl:-46%}
.stage[data-pose=fare] .rig{--x:87;--y:58;--r:10;--s:.88}
.stage[data-pose=ex-right] .rig{--x:72;--y:53;--r:-4;--s:1.04}
.stage[data-pose=ex-left] .rig{--x:27;--y:53;--r:5;--s:1.04;--sl:-46%}
.stage[data-pose=come] .rig{--x:91;--y:66;--r:13;--s:.82}
.stage[data-pose=patti] .rig{--x:23;--y:54;--r:-6;--s:.98;--sl:-46%}
.stage[data-pose=contatto] .rig{--x:74;--y:60;--r:7;--s:1}

.chat{display:flex;flex-direction:column;justify-content:center;gap:16px;padding:24px 16px;background:var(--paper);color:var(--ink);font-size:clamp(14px,2.1svh,17px);line-height:1.4}
.chat p{margin:0}
.chat-head{display:flex;justify-content:space-between;align-items:baseline;font-weight:800;font-size:1.3em;letter-spacing:-.02em}
.chat-head span{font-weight:500;font-size:.7em;letter-spacing:0;color:var(--muted)}
.bubble{display:grid;gap:12px;padding:16px;background:#fff;border:1px solid var(--line);border-radius:18px}
.chat-note{align-self:flex-start;padding:5px 12px;border:1px solid var(--ink);border-radius:999px;font-weight:600;font-size:.8em}
.chat-reply{align-self:flex-end;max-width:85%;padding:12px 16px;border-radius:18px;background:var(--blue);color:#fff;font-weight:500}

/* Contatore */
.ctl{display:none;position:fixed;right:var(--m);bottom:20px;z-index:20;align-items:center;gap:2px;padding:0 4px;border-radius:999px;color:var(--fg);background:var(--bg);transition:color .3s,background-color .3s}
.ctl button{display:grid;place-items:center;width:44px;height:44px;transition:transform .14s var(--ease),opacity .18s}
.ctl button:hover:not(:disabled){transform:translateY(-2px)}
.ctl button:disabled{opacity:.3;cursor:default}
.ctl-count{min-width:52px;text-align:center;font-size:13px;font-weight:500;font-variant-numeric:tabular-nums}
.ctl-count b{font-weight:800}

/* Piè di pagina */
.legal{position:relative;z-index:6;display:flex;flex-wrap:wrap;align-items:center;gap:0 18px;margin-top:32px;font-size:13px;line-height:1.5}
.legal a{display:inline-flex;align-items:center;min-height:44px;text-decoration:underline;text-underline-offset:3px}

/* Entrate */
.js [data-r]{opacity:0;transform:translateY(28px);transition:opacity .7s var(--ease),transform .9s var(--ease)}
.js .scene.is-in [data-r],.js [data-r].is-in{opacity:1;transform:none;transition-delay:calc(var(--i,0) * 80ms)}

/* Pagina privacy */
html.plain{scroll-snap-type:none}
html.plain .top{background:var(--bg)}
.top-back{display:inline-flex;align-items:center;min-height:44px;font-weight:500}
.doc{max-width:44rem;margin:0 auto;padding:112px var(--m) 72px}
.doc h1{font-weight:800;font-size:clamp(38px,6vw,64px);line-height:1.02;letter-spacing:-.03em}
.doc h2{margin-top:40px;font-weight:700;font-size:22px;line-height:1.25;letter-spacing:-.02em}
.doc p,.doc ul{margin-top:12px}
.doc ul{list-style:disc;padding-left:1.2em}
.doc li{margin-top:4px}
.doc a{text-decoration:underline;text-underline-offset:3px}
.doc .date{margin-top:12px;font-size:13px;color:var(--muted)}

@media (min-width:600px){
  :root{--m:40px}
  .rows li{grid-template-columns:minmax(0,13em) 1fr;gap:24px;align-items:baseline}
  .rows--num li{grid-template-columns:32px minmax(0,13em) 1fr;gap:0 16px}
  .rows--num li::before{grid-row:auto}
}

@media (min-width:600px) and (max-width:900px){
  .display{font-size:clamp(44px,min(10vw,17svh),92px)}
  .display--m{font-size:clamp(38px,min(7.6vw,14svh),70px)}
  .lead{font-size:20px}
  .mark--orm{font-size:clamp(84px,min(19vw,27svh),160px)}
  .mark--sideways{font-size:clamp(76px,min(20vw,27svh),160px)}
  .mark--velune{font-size:clamp(68px,min(16vw,23svh),130px)}
}

@media (min-width:901px){
  :root{--m:clamp(40px,5vw,80px)}
  .top{background:transparent}
  .top-nav{display:flex;gap:32px;font-weight:500}
  .top-nav a{display:inline-flex;align-items:center;min-height:44px;text-decoration:underline transparent;text-underline-offset:6px;transition:text-decoration-color .18s}
  .top-nav a:hover{text-decoration-color:currentColor}
  .menu-btn{display:none}
}

/* Modalità mazzo: scene a scatto e telefono che le attraversa. */
@media (min-width:901px) and (min-height:561px){
  html{scroll-snap-type:y mandatory;scroll-padding-top:0}
  .scene{scroll-snap-align:start;scroll-snap-stop:always;padding:88px var(--m) 72px}
  .js .stage{display:block}
  .js .inline-phone{display:none}
  .js .scene:has(.inline-phone){padding-bottom:72px}
  .js .ctl{display:flex}
  .scene--left .scene__body{max-width:54vw}
  .scene--right .scene__body{max-width:54vw;margin-left:auto}
  .scene--wide .scene__body{max-width:68vw}
  .scene--close .legal{position:absolute;left:var(--m);bottom:12px;right:200px;margin:0}
  .rows{margin-top:clamp(16px,3svh,32px)}
  .rows li{padding:clamp(8px,1.5svh,14px) 0}
  .actions{margin-top:clamp(20px,3.4svh,32px)}
  .lead{margin-top:clamp(14px,2.6svh,24px)}
}
@media (min-width:901px) and (max-width:1200px) and (min-height:561px){
  .scene--wide .scene__body{max-width:60vw}
  .scene--left .scene__body{max-width:48vw}
  .scene--right .scene__body{max-width:50vw}
  .mark--sideways{font-size:clamp(76px,min(11.8vw,27svh),216px)}
  .stage[data-pose=ex-left] .rig{--x:24}
}

@media (prefers-reduced-motion:no-preference){
  html{scroll-behavior:smooth}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-snap-type:none}
  .js [data-r]{transform:none;transition:opacity .3s linear}
  .js .scene.is-in [data-r],.js [data-r].is-in{transition-delay:0s}
  .rig,.spark{transition:none}
  .phone-screen>*{transform:none;transition:opacity .3s linear}
  .btn,.ctl button{transition:none}
  .btn:hover,.ctl button:hover:not(:disabled){transform:none}
  .menu[open]{animation:none}
}