/* Font della home, ospitati nel sito (sottoinsieme latin di Google Fonts, licenza OFL) */
@font-face {
  font-family: 'Atkinson Hyperlegible';
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url(/assets/fonts/atkinson-hyperlegible-italic-400.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Atkinson Hyperlegible';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(/assets/fonts/atkinson-hyperlegible-normal-400.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Atkinson Hyperlegible';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url(/assets/fonts/atkinson-hyperlegible-normal-700.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Fraunces';
  font-style: italic;
  font-weight: 400 600;
  font-display: swap;
  src: url(/assets/fonts/fraunces-italic-400-600.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Fraunces';
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url(/assets/fonts/fraunces-normal-400-700.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(/assets/fonts/ibm-plex-mono-normal-400.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url(/assets/fonts/ibm-plex-mono-normal-500.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* Home del portfolio · direzione «Il filo».
   Carta calda, inchiostro, un solo accento prugna. Il filo corre nella colonna a sinistra
   e cuce le sezioni; ogni card prende il colore del suo case study solo nel nodo e nel bordo. */

:root{
  --paper:#F5F0E6; --surface:#FBF8F2; --ink:#1D1B18; --ink-2:#3F3A33; --muted:#5C564D;
  --line:#DCD3C3; --line-2:#C9BEAB;
  --accent:#7A2E5F; --accent-soft:#EFE2E8; --on-accent:#FBF8F2;
  --f-display:"Fraunces",Georgia,"Times New Roman",serif;
  --f-body:"Atkinson Hyperlegible",system-ui,-apple-system,"Segoe UI",sans-serif;
  --f-mono:"IBM Plex Mono",ui-monospace,"SFMono-Regular",Menlo,monospace;
  --gutter:clamp(16px,4vw,48px); --rail:28px; --wrap:1200px;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --paper:#16130F; --surface:#1E1A15; --ink:#F1EBE0; --ink-2:#D6CDBF; --muted:#A89F92;
  --line:#352E26; --line-2:#4A4136; --accent:#E3A6CC; --accent-soft:#33202C; --on-accent:#16130F; color-scheme:dark}}
:root[data-theme="dark"]{
  --paper:#16130F; --surface:#1E1A15; --ink:#F1EBE0; --ink-2:#D6CDBF; --muted:#A89F92;
  --line:#352E26; --line-2:#4A4136; --accent:#E3A6CC; --accent-soft:#33202C; --on-accent:#16130F; color-scheme:dark}
@media (min-width:760px){:root{--rail:64px}}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font:400 1.0625rem/1.6 var(--f-body);-webkit-font-smoothing:antialiased;overflow-x:clip}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:var(--accent)}
h1,h2,h3{margin:0;font-family:var(--f-display);font-weight:450;letter-spacing:-.015em;text-wrap:balance}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid var(--accent);outline-offset:3px;border-radius:3px}
main:focus{outline:none}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:12px;top:-60px;z-index:100;background:var(--ink);color:var(--paper);padding:10px 14px;border-radius:4px;font-weight:700;text-decoration:none}
.skip:focus{top:12px}

.wrap{max-width:var(--wrap);margin-inline:auto;padding-inline:calc(var(--gutter) + var(--rail)) var(--gutter);position:relative;z-index:1}
.label{position:relative;font:500 .78rem/1.4 var(--f-mono);letter-spacing:.09em;text-transform:uppercase;color:var(--muted);margin-bottom:22px}
.num{font-family:var(--f-mono);font-size:.94em;font-variant-numeric:tabular-nums;letter-spacing:-.01em}

/* nodi del filo: stanno nella colonna a sinistra */
.knot{position:absolute;left:calc(var(--rail) / -2 - 6px);top:50%;width:12px;height:12px;margin-top:-6px;border-radius:50%;border:2px solid var(--kc,var(--accent));background:var(--paper);transition:background-color .4s ease}
.knot.on{background:var(--kc,var(--accent))}

/* barra */
.bar{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--paper) 92%,transparent);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.bar-in{max-width:var(--wrap);margin-inline:auto;padding:12px var(--gutter);display:flex;align-items:center;justify-content:space-between;gap:12px 24px;flex-wrap:wrap}
.name{display:inline-flex;align-items:center;gap:10px;font:600 1.125rem/1 var(--f-display);text-decoration:none;min-height:44px}
.name-knot{width:12px;height:12px;border-radius:50%;background:var(--accent)}
.menu{display:flex;align-items:center;gap:10px 22px;flex-wrap:wrap}
.menu nav{display:flex;gap:4px 20px;flex-wrap:wrap}
.menu nav a,.lang a{font:500 .875rem/1 var(--f-mono);text-decoration:none;color:var(--ink-2);display:inline-flex;align-items:center;min-height:44px}
.menu nav a:hover{color:var(--accent);text-decoration:underline}
.lang{display:inline-flex;gap:2px;border:1px solid var(--line-2);border-radius:999px;padding:2px}
.lang a{min-height:32px;padding:0 10px;border-radius:999px}
.lang a[aria-current="true"]{background:var(--ink);color:var(--paper)}
.menu-btn{display:none;font:500 .875rem/1 var(--f-mono);background:none;border:1px solid var(--line-2);color:var(--ink);border-radius:999px;min-height:44px;padding:0 16px;cursor:pointer}
@media (max-width:899px){
  .js .menu-btn{display:inline-flex;align-items:center}
  .js .menu{display:none;flex-basis:100%;flex-direction:column;align-items:flex-start;padding:8px 0 12px;gap:12px}
  .js .menu.open{display:flex}
  .js .menu nav{flex-direction:column;gap:0}
}

/* pulsanti */
.btn{display:inline-flex;align-items:center;gap:10px;min-height:48px;padding:0 22px;border-radius:999px;background:var(--ink);color:var(--paper);border:1.5px solid var(--ink);font:700 1rem/1 var(--f-body);text-decoration:none;transition:background-color .2s ease,color .2s ease}
.btn:hover{background:var(--accent);border-color:var(--accent);color:var(--on-accent)}
.btn-ghost{background:transparent;color:var(--ink)}
.btn-small{min-height:40px;padding:0 16px;font-size:.9375rem}
.btn .small{font:500 .75rem/1 var(--f-mono);opacity:.8}

/* hero */
.hero{padding-block:clamp(56px,10vw,128px) clamp(56px,8vw,112px)}
.needle{display:none}
@media (min-width:1000px){
  .needle{display:block;position:absolute;right:calc(var(--gutter) + 9%);top:clamp(80px,9vw,120px);width:34px;height:auto;transform:rotate(32deg);transform-origin:50% 20%;fill:var(--ink)}
  .needle .eye{fill:var(--paper)}
}
.hero h1{font-size:clamp(2.35rem,6.4vw,5.4rem);line-height:1.03;font-weight:420;max-width:17ch;font-variation-settings:"opsz" 144}
.hero h1 em{font-style:italic;color:var(--accent);font-weight:400}
.role{margin-top:28px;max-width:44ch;font-size:clamp(1.125rem,1.8vw,1.3125rem);line-height:1.5;color:var(--ink-2)}
.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.facts{display:flex;flex-wrap:wrap;gap:6px 0;margin-top:28px;font:500 .8125rem/1.4 var(--f-mono);color:var(--muted)}
.facts li+li::before{content:"·";margin-inline:10px}

/* il filo */
.filo{padding-block:clamp(40px,6vw,72px)}
.filo-grid{display:grid;gap:20px 56px}
.filo h2{font-size:clamp(2rem,4.2vw,3.4rem);line-height:1.05;max-width:14ch}
.filo-text{display:grid;gap:12px;max-width:52ch;font-size:1.125rem;color:var(--ink-2);align-self:end}
.growth{display:grid;gap:0;margin-top:40px;border-top:1px solid var(--line)}
.growth li{display:grid;grid-template-columns:3rem minmax(0,1fr);gap:4px 12px;padding:18px 0;border-bottom:1px solid var(--line)}
.growth .g-step{font:500 .8125rem/1.6 var(--f-mono);color:var(--accent);grid-row:span 2}
.growth b{font:500 1.25rem/1.3 var(--f-display)}
.growth li>span:last-child{color:var(--muted)}
@media (min-width:900px){
  .filo-grid{grid-template-columns:minmax(0,1.1fr) minmax(0,1fr)}
  .growth{grid-template-columns:repeat(3,minmax(0,1fr));border-bottom:1px solid var(--line)}
  .growth li{grid-template-columns:minmax(0,1fr);border-bottom:0;padding:20px 24px 22px 0}
  .growth li+li{padding-left:24px;border-left:1px solid var(--line)}
  .growth .g-step{grid-row:auto}
}

/* progetti */
.projects{padding-block:clamp(48px,7vw,96px) 24px}
.card{--kc:var(--c);position:relative;display:grid;gap:0;margin-bottom:clamp(28px,4vw,48px);background:var(--surface);border:1px solid var(--line);border-top:3px solid var(--c);border-radius:4px 4px 10px 10px}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .card{--kc:var(--c-dark);border-top-color:var(--c-dark)}}
:root[data-theme="dark"] .card{--kc:var(--c-dark);border-top-color:var(--c-dark)}
.card .knot{top:30px;margin-top:0;left:calc(var(--rail) / -2 - 7px)}
.cover{display:block;overflow:hidden;border-bottom:1px solid var(--line);background:var(--paper)}
.cover img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .5s ease}
.card:hover .cover img{transform:scale(1.02)}
.card-body{padding:clamp(20px,3vw,36px);display:grid;gap:14px;align-content:start}
.meta{display:flex;flex-wrap:wrap;gap:4px 0;font:500 .78rem/1.4 var(--f-mono);letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.meta span+span::before{content:"·";margin-inline:8px}
.card h3{font-size:clamp(2rem,3.6vw,3rem);line-height:1;font-weight:500}
.card h3 a{text-decoration:none}
.card h3 a:hover{color:inherit;text-decoration:underline;text-decoration-thickness:2px;text-decoration-color:var(--kc)}
.problem{font-size:1.1875rem;line-height:1.45;color:var(--ink)}
.thread-quote{font:italic 400 1.0625rem/1.5 var(--f-display);color:var(--ink-2);padding-left:14px;border-left:2px solid var(--kc)}
.facts-dl{margin:0;display:grid;gap:10px;font-size:.9688rem}
.facts-dl div{display:grid;grid-template-columns:4.5rem minmax(0,1fr);gap:12px}
.facts-dl dt{font:500 .75rem/1.9 var(--f-mono);letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.facts-dl dd{margin:0;color:var(--ink-2)}
.tag{justify-self:start;font:500 .75rem/1.3 var(--f-mono);letter-spacing:.04em;color:var(--ink-2);border:1px dashed var(--line-2);border-radius:4px;padding:5px 9px}
.card-links{display:flex;flex-wrap:wrap;gap:8px 20px;margin-top:4px}
.more{display:inline-flex;align-items:center;gap:8px;min-height:44px;font-weight:700;text-decoration:underline;text-decoration-color:var(--line-2);text-underline-offset:5px}
.more:hover{color:var(--ink);text-decoration-color:var(--kc)}
.more span{transition:transform .2s ease}
.more:hover span{transform:translateX(3px)}
.more-2{font-weight:400;color:var(--ink-2)}
.cb-a,.cb-b{display:grid;gap:14px;align-content:start}
@media (min-width:900px){
  .card-body{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:20px 48px;padding:32px 40px 36px}
  .cb-b{padding-top:30px}
}

/* servizi */
.services{padding-block:clamp(56px,8vw,104px)}
.services h2,.method h2{font-size:clamp(1.9rem,3.8vw,3rem);line-height:1.08;max-width:22ch}
.svc{display:grid;gap:0;margin-top:36px;border-top:1px solid var(--line)}
.svc li{padding:24px 0;border-bottom:1px solid var(--line);display:grid;gap:10px}
.svc h3{font-size:1.5rem;font-weight:500}
.svc p{color:var(--ink-2);max-width:52ch}
.svc .proof{font:500 .8125rem/1.6 var(--f-mono);color:var(--muted)}
.svc .proof a{color:var(--ink);text-decoration-color:var(--accent)}
@media (min-width:860px){
  .svc{grid-template-columns:repeat(2,minmax(0,1fr));column-gap:48px}
}

/* chi sono */
.about{padding-block:clamp(56px,8vw,104px)}
.about-grid{display:grid;gap:40px 64px}
.about h2{font-size:clamp(1.9rem,3.6vw,2.9rem);line-height:1.08;max-width:18ch;margin-bottom:24px}
.about-text p{max-width:54ch;color:var(--ink-2);font-size:1.125rem}
.about-text p+p{margin-top:14px}
.about-photo{margin-top:28px;width:280px;max-width:100%;border-radius:6px;border:1px solid var(--line)}
.mini{font:500 .75rem/1.4 var(--f-mono);letter-spacing:.09em;text-transform:uppercase;color:var(--muted);margin-bottom:12px}
.path{display:grid;border-top:1px solid var(--line);margin-bottom:28px}
.path li{display:grid;grid-template-columns:minmax(0,1fr);gap:2px;padding:14px 0;border-bottom:1px solid var(--line)}
.path .when{font:500 .8125rem/1.5 var(--f-mono);color:var(--accent)}
.path b{font-weight:700}
.path li>span:last-child{color:var(--muted);font-size:.9688rem}
.kv{display:grid;gap:20px}
.kv p{color:var(--ink-2)}
@media (min-width:600px){.path li{grid-template-columns:9.5rem minmax(0,1fr)}.path li>span:last-child{grid-column:2}.kv{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1000px){.about-grid{grid-template-columns:minmax(0,1fr) minmax(0,1.15fr)}}

/* 404 */
.nf .knot{position:absolute}
.nf-list{display:grid;margin-top:32px;border-top:1px solid var(--line);max-width:640px}
.nf-list li{display:flex;flex-wrap:wrap;justify-content:space-between;gap:4px 16px;padding:12px 0;border-bottom:1px solid var(--line)}
.nf-list a{font:500 1.375rem/1.3 var(--f-display);text-decoration:none;min-height:32px;display:inline-flex;align-items:center}
.nf-list a:hover{text-decoration:underline;text-decoration-color:var(--accent)}
.nf-list span{font:500 .8125rem/2 var(--f-mono);color:var(--muted)}
.nf-en{margin-top:28px;font:400 .875rem/1.5 var(--f-mono);color:var(--muted);max-width:60ch}

/* ===== servizi: prove come etichette ===== */
.svc .proof{display:flex;flex-wrap:wrap;align-items:center;gap:6px 8px;margin-top:4px}
.proof-k{font:500 .72rem/1 var(--f-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-right:2px}
.svc .proof a{display:inline-flex;align-items:center;min-height:30px;padding:0 10px;border:1px solid var(--line-2);border-radius:999px;text-decoration:none;color:var(--ink);font-size:.8rem}
.svc .proof a:hover{border-color:var(--accent);color:var(--accent)}

/* ===== come lavoro: cinque nodi cuciti da un filo che torna all’inizio ===== */
.method{padding-block:clamp(40px,6vw,80px)}
.method h2{font-size:clamp(1.9rem,3.8vw,3rem);line-height:1.08;max-width:22ch}
.steps-wrap{position:relative;margin-top:40px}
.steps-thread{position:absolute;inset:0;width:100%;height:100%;overflow:visible;pointer-events:none;z-index:0}
.steps-thread path{fill:none;stroke-linecap:round;stroke-linejoin:round}
.steps-thread .sw{stroke:var(--accent);stroke-width:1.8}
.steps-thread .sb{stroke:var(--accent);stroke-width:1.5;stroke-dasharray:3 6;opacity:.8}
.steps-thread .sh{stroke:var(--accent);stroke-width:1.5}
.cycle-note{position:relative;z-index:1;font:500 .78rem/1.5 var(--f-mono);letter-spacing:.04em;color:var(--accent);margin:0 0 24px 64px}
.cycle-note span{font-size:1rem;margin-right:6px}
.steps{position:relative;z-index:1;display:grid;gap:0;margin:0}
.steps li{position:relative;display:grid;gap:8px;padding:0 0 32px 64px}
.s-n{position:absolute;left:0;top:0;width:44px;height:44px;border-radius:50%;display:grid;place-items:center;background:var(--paper);border:2px solid var(--accent);color:var(--accent);font:500 .875rem/1 var(--f-mono);box-shadow:0 0 0 5px var(--paper);transition:background-color .25s ease,color .25s ease}
.s-n::after{content:"";position:absolute;inset:6px;border-radius:50%;border:1px dashed var(--accent);opacity:.45}
.steps li:hover .s-n{background:var(--accent);color:var(--on-accent)}
.steps h3{font-size:1.375rem;font-weight:500;line-height:1.2;padding-top:9px}
.steps p{color:var(--ink-2)}
.steps .ex{margin-top:4px;padding:12px 14px;border-radius:8px;background:var(--accent-soft);color:var(--ink-2);font-size:.9375rem}
.steps .ex b{display:block;font:500 .75rem/1.5 var(--f-mono);letter-spacing:.06em;text-transform:uppercase;color:var(--accent)}
.method-ai{margin-top:28px;max-width:62ch;font:italic 400 1.1875rem/1.5 var(--f-display);color:var(--ink-2)}
.method-ai a{color:var(--ink);text-decoration-color:var(--accent)}
@media (min-width:1100px){
  .steps-wrap{padding-top:96px}
  .cycle-note{position:absolute;top:0;left:50%;transform:translateX(-50%);margin:0;padding:0 12px;background:var(--paper);white-space:nowrap}
  .steps{grid-template-columns:repeat(5,minmax(0,1fr));grid-template-rows:repeat(3,auto);column-gap:24px}
  .steps li{grid-row:span 3;grid-template-rows:subgrid;padding:68px 0 0}
  .steps h3{padding-top:0}
}

/* ===== contatti ===== */
.contact{padding-block:clamp(56px,8vw,104px) clamp(24px,4vw,48px)}
.contact-grid{display:grid;gap:40px 72px;align-items:start}
.contact h2{font-size:clamp(2rem,3.6vw,3rem);line-height:1.08;max-width:16ch}
.contact-note{margin-top:20px;color:var(--ink-2);font-size:1.125rem;max-width:42ch}
.contact-mini{margin:36px 0 0;display:grid;gap:0;border-top:1px solid var(--line)}
.contact-mini div{display:grid;grid-template-columns:7rem minmax(0,1fr);gap:12px;align-items:baseline;padding:12px 0;border-bottom:1px solid var(--line)}
.contact-mini dt{font:500 .72rem/1.5 var(--f-mono);letter-spacing:.09em;text-transform:uppercase;color:var(--muted)}
.contact-mini dd{margin:0;min-width:0}
.contact-mini a{font:400 1.0625rem/1.4 var(--f-display);text-decoration:none;overflow-wrap:anywhere;display:inline-flex;min-height:32px;align-items:center}
.contact-mini a:hover{color:var(--accent);text-decoration:underline;text-decoration-color:var(--accent)}
@media (min-width:1000px){.contact-grid{grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr)}}
@media (max-width:599px){.contact-mini div{grid-template-columns:minmax(0,1fr);gap:0}.contact-mini a{overflow-wrap:normal;word-break:normal}}

/* il modulo: un biglietto cucito */
.cform{position:relative;display:grid;grid-template-columns:minmax(0,1fr);gap:22px 28px;background:var(--surface);border-radius:16px;padding:clamp(28px,4vw,48px);box-shadow:0 1px 0 var(--line),0 24px 48px -32px rgba(29,27,24,.35)}
.cform::before{content:"";position:absolute;inset:10px;border:1.5px dashed var(--accent);border-radius:10px;opacity:.55;pointer-events:none}
.cform-head{display:grid;gap:4px;margin-bottom:6px}
.cform-t{font:italic 400 clamp(1.75rem,3vw,2.25rem)/1.1 var(--f-display);color:var(--accent)}
.cform-sub{font:500 .78rem/1.5 var(--f-mono);letter-spacing:.04em;color:var(--muted)}
.field{display:grid;gap:4px;position:relative}
.field label{font:500 .72rem/1.5 var(--f-mono);letter-spacing:.09em;text-transform:uppercase;color:var(--muted)}
.field .opt{text-transform:none;letter-spacing:0;margin-left:6px;opacity:.85}
.field input,.field textarea{width:100%;font:400 1.1875rem/1.4 var(--f-display);color:var(--ink);background:transparent;border:0;border-bottom:1.5px solid var(--line-2);border-radius:0;padding:8px 0 10px;min-height:46px;transition:border-color .2s ease}
.field textarea{resize:vertical;min-height:8rem;line-height:2rem;padding-top:0;background-image:linear-gradient(to bottom,transparent calc(2rem - 1px),var(--line) calc(2rem - 1px),var(--line) 2rem);background-size:100% 2rem;background-attachment:local}
.field input:hover,.field textarea:hover{border-bottom-color:var(--muted)}
.field input:focus,.field textarea:focus{outline:none}
.field input:focus-visible,.field textarea:focus-visible{border-bottom-color:var(--accent);box-shadow:0 2px 0 var(--accent)}
.field:focus-within label{color:var(--accent)}
.field [aria-invalid="true"]{border-bottom-color:#B3261E}
.err{font-size:.8125rem;color:#B3261E}
.privacy{font-size:.8125rem;line-height:1.5;color:var(--muted);max-width:40ch}
.cform-foot{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px 24px;margin-top:4px}
.send{display:inline-flex;align-items:center;gap:12px;min-height:52px;padding:0 26px;border:0;border-radius:999px;background:var(--accent);color:var(--on-accent);font:700 1rem/1 var(--f-body);cursor:pointer;transition:background-color .2s ease,transform .2s ease}
.send span{transition:transform .2s ease}
.send:hover{background:var(--ink);color:var(--paper)}
.send:hover span{transform:translateX(4px)}
.send:focus-visible{outline:3px solid var(--accent);outline-offset:3px}
.send[disabled]{opacity:.6;cursor:progress}
.hp{display:none}
.status{font:italic 400 1.0625rem/1.4 var(--f-display);min-height:1.4em}
.status:empty{display:none}
.status:focus{outline:none}
.status.ok{color:var(--accent)}
.status.ok::before{content:"✓ ";font-style:normal}
.status.ko{color:#B3261E}
@media (min-width:640px){.cform{grid-template-columns:repeat(2,minmax(0,1fr))}.cform-head,.cform .field:not(.half),.cform-foot,.status{grid-column:1/-1}}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--err:#FF9C92}:root:not([data-theme="light"]) .err,:root:not([data-theme="light"]) .status.ko{color:#FF9C92}:root:not([data-theme="light"]) .field [aria-invalid="true"]{border-bottom-color:#FF9C92}:root:not([data-theme="light"]) .cform{box-shadow:0 1px 0 var(--line),0 24px 48px -32px rgba(0,0,0,.8)}}
:root[data-theme="dark"] .err,:root[data-theme="dark"] .status.ko{color:#FF9C92}

/* ===== piè di pagina: il filo diventa la riga e si chiude con un ghirigoro ===== */
.foot{display:flex;flex-direction:column;gap:6px;padding-block:0 40px;font:400 .8125rem/1.5 var(--f-mono);color:var(--muted)}
.foot-thread{height:clamp(110px,12vw,150px);width:100%}

/* ===== il filo SVG, su tutta la pagina ===== */
body{position:relative}
main{position:relative;display:block}
.thread{position:absolute;top:0;left:0;z-index:0;pointer-events:none;overflow:visible}
.thread path{fill:none;stroke-linecap:round;stroke-linejoin:round}
.thread-seam{stroke:var(--line-2);stroke-width:1.5;stroke-dasharray:2 7}
.thread-line{stroke:var(--accent);stroke-width:2}
.thread-knot{fill:var(--accent);opacity:0;transition:opacity .4s ease}
.thread-knot.on{opacity:1}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition:none!important;animation:none!important}
  .send:hover span{transform:none}
}