/* valeriodonfrancesco.pro: "Specifica annotata"
   The page is a design-to-dev handoff sheet: boards on a canvas, frame names,
   and a redline layer measured live from the layout (site.js).
   Light only: a paper-like spec sheet. */

/* ---------- fonts (self-hosted, SIL OFL 1.1) ---------- */
@font-face{font-family:"Funnel Display";font-style:normal;font-weight:400 700;font-display:swap;
  src:url(/assets/fonts/funnel-display-latin.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:"Funnel Display";font-style:normal;font-weight:400 700;font-display:swap;
  src:url(/assets/fonts/funnel-display-latin-ext.woff2) format("woff2");
  unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:"Funnel Sans";font-style:normal;font-weight:400 700;font-display:swap;
  src:url(/assets/fonts/funnel-sans-latin.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:"Funnel Sans";font-style:normal;font-weight:400 700;font-display:swap;
  src:url(/assets/fonts/funnel-sans-latin-ext.woff2) format("woff2");
  unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:"Fragment Mono";font-style:normal;font-weight:400;font-display:swap;
  src:url(/assets/fonts/fragment-mono-latin.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:"Fragment Mono";font-style:normal;font-weight:400;font-display:swap;
  src:url(/assets/fonts/fragment-mono-latin-ext.woff2) format("woff2");
  unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}

/* Titillium Web: the .italia face, only for the rebuilt ATA component (latin, 400/600/700) */
@font-face{font-family:"Titillium Web";font-style:normal;font-weight:400;font-display:swap;
  src:url(/assets/fonts/titillium-web-400-latin.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:"Titillium Web";font-style:normal;font-weight:600;font-display:swap;
  src:url(/assets/fonts/titillium-web-600-latin.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:"Titillium Web";font-style:normal;font-weight:700;font-display:swap;
  src:url(/assets/fonts/titillium-web-700-latin.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}

/* ---------- tokens ---------- */
:root{
  color-scheme:light;
  --canvas:#eceef0;
  --board:#ffffff;
  --ink:#111315;
  --ink-2:#3c4147;
  --ink-3:#5a6067;
  --line:#d9dce0;
  --line-soft:#e6e8eb;
  --line-strong:#7d848b;                               /* control boundaries: 3.8:1 on white, 3.3:1 on canvas */
  --well:#f3f4f6;
  --accent:#0b7a6f;                                    /* petrol: redlines, measurements, primary action */
  --accent-press:#08645b;
  --accent-tint:#eef6f5;
  --error:#b42318;
  --rail-w:292px;   /* side annotation note width */
  --rail-inset:24px;/* note column to board edge */
  --gutter:356px;   /* rail-inset + rail-w + 40 clear: content never enters it */
  --inset:88px;     /* board content inset on the left (room for measures) */
  --inset-r:40px;
  --pad:40px;       /* canvas side padding */
  --sans:"Funnel Sans",system-ui,sans-serif;
  --display:"Funnel Display","Funnel Sans",system-ui,sans-serif;
  --mono:"Fragment Mono",ui-monospace,monospace;
  --display-wght:650;
  --display-track:-.025em;
  --ease:cubic-bezier(.16,1,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
*{margin:0;padding:0}
html{scroll-behavior:smooth;scrollbar-color:#b4bac0 var(--canvas);scrollbar-width:thin;-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-padding-top:64px}
body{background:var(--canvas);color:var(--ink);font-family:var(--sans);font-size:17px;line-height:1.5;
  -webkit-font-smoothing:antialiased;caret-color:var(--accent);transition:background-color .6s var(--ease)}
::selection{background:var(--accent);color:#fff}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-underline-offset:4px;text-decoration-thickness:1px}
ul,ol{list-style:none}
h1,h2,h3{font-family:var(--display);font-weight:var(--display-wght);letter-spacing:var(--display-track);text-wrap:balance}
p{text-wrap:pretty}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.vh{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap;border:0}
.skip{position:absolute;left:16px;top:-80px;z-index:100;background:var(--ink);color:#fff;padding:12px 18px;border-radius:8px;font-weight:600;text-decoration:none}
.skip:focus{top:8px}
.num{font-variant-numeric:tabular-nums}

/* ---------- viewer bar (canvas chrome) ---------- */
.viewer{position:relative;min-height:52px;padding-block:4px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding-inline:var(--pad);background:rgba(236,238,240,.92);backdrop-filter:saturate(1.2) blur(8px);-webkit-backdrop-filter:saturate(1.2) blur(8px);
  border-bottom:1px solid #dfe2e5;font:400 12px/1 var(--mono);color:var(--ink-3);
  transition:background-color .6s var(--ease),border-color .6s var(--ease)}
.viewer__note{min-width:0;line-height:1.4;color:var(--ink-2);text-wrap:balance}
.viewer__right{display:flex;align-items:center;gap:18px;flex:none}
.toggle{display:inline-flex;align-items:center;gap:10px;min-height:44px;font:400 12px/1 var(--mono);color:var(--ink);background:none;border:0;cursor:pointer;padding:0 2px}
.toggle__track{width:34px;height:20px;border-radius:10px;background:var(--accent);position:relative;transition:background-color .3s var(--ease)}
.toggle__track::after{content:"";position:absolute;top:2px;left:16px;width:16px;height:16px;border-radius:50%;background:#fff;
  box-shadow:0 1px 2px rgba(17,19,21,.25);transition:left .3s var(--ease)}
.toggle[aria-pressed="false"] .toggle__track{background:var(--line-strong)}
.toggle[aria-pressed="false"] .toggle__track::after{left:2px}
.toggle__state{min-width:3ch;color:var(--accent-press)}
.toggle[aria-pressed="false"] .toggle__state{color:var(--ink-3)}

/* ---------- canvas, frames, boards ---------- */
.canvas{max-width:1680px;margin:0 auto;padding:28px var(--pad) 72px}
.frame{position:relative;margin-top:32px}
.frame-name{display:flex;justify-content:space-between;align-items:baseline;gap:16px;margin:0 0 10px;
  font:400 12px/1.3 var(--mono);color:var(--ink-3);transition:opacity .4s var(--ease)}
.frame-name__spec{color:var(--accent-press);white-space:nowrap;font-variant-numeric:tabular-nums}
.board{position:relative;background:var(--board);outline:1px solid rgba(17,19,21,.07);transition:outline-color .6s var(--ease)}
.board + .board{border-top:1px solid var(--line-soft)}

/* ---------- logo token + site header ---------- */
.site-header{position:sticky;top:0;z-index:30;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:0 24px;
  min-height:76px;transition:box-shadow .3s var(--ease);padding:0 var(--inset-r) 0 var(--inset);border-bottom:1px solid var(--line-soft)}
.idn{display:flex;align-items:center;gap:14px;min-width:0}
.logo{display:inline-flex;align-items:center;gap:9px;height:36px;padding:0 14px 0 11px;border:1.5px solid var(--ink);border-radius:999px;
  text-decoration:none;color:var(--ink);font:400 13px/1 var(--mono);white-space:nowrap;flex:none;
  transition:background-color .2s var(--ease),color .2s var(--ease),transform .12s var(--ease)}
.logo__dot{width:12px;height:12px;border-radius:50%;background:var(--accent);flex:none}
.logo__path{min-width:0;overflow:hidden;text-overflow:ellipsis}
.logo__path b{font-weight:400;color:var(--accent)}
.logo__sec{animation:crumb .35s var(--ease)}
@keyframes crumb{from{opacity:0;transform:translateY(3px)}to{opacity:1;transform:none}}
.site-header.is-stuck{box-shadow:0 10px 24px -20px rgba(17,19,21,.45)}
html{scroll-padding-top:calc(var(--hdr,76px) + 20px)}
.site-nav a[aria-current="location"]{color:var(--ink);text-decoration:underline;text-decoration-color:var(--accent);text-decoration-thickness:2px;text-underline-offset:6px}
.menu-btn{display:none;width:44px;height:44px;flex:none;align-items:center;justify-content:center;background:var(--board);border:1px solid var(--line-strong);border-radius:8px;cursor:pointer;color:var(--ink)}
.menu-btn__bars,.menu-btn__bars::before{display:block;width:18px;height:1.5px;background:currentColor;position:relative;transition:transform .25s var(--ease)}
.menu-btn__bars::before{content:"";position:absolute;top:6px;left:0}
.menu-btn__bars{transform:translateY(-3px)}
.menu-btn[aria-expanded="true"] .menu-btn__bars{transform:translateY(0) rotate(45deg)}
.menu-btn[aria-expanded="true"] .menu-btn__bars::before{transform:translateY(-6px) rotate(-90deg)}
.menu-btn:active{transform:translateY(1px)}
.logo:hover{background:var(--ink);color:#fff}
.logo:hover .logo__path b{color:inherit}
.logo:focus-visible{border-radius:999px;outline-offset:3px}
.idn__text{display:flex;flex-direction:column;gap:2px;min-width:0}
.idn__name{font-weight:600;font-size:15px;letter-spacing:-.01em;line-height:1.2}
.idn__role{font-size:13px;color:var(--ink-3);line-height:1.25}
.site-nav{display:flex;gap:6px;font-size:15px;font-weight:500}
.site-nav a{display:inline-flex;align-items:center;min-height:44px;padding:0 10px;white-space:nowrap;text-decoration:none;color:var(--ink-2);border-radius:8px}
.site-nav a:hover{color:var(--ink);text-decoration:underline;text-underline-offset:6px}
.site-header__right{display:flex;align-items:center;gap:16px}
.lang{display:flex;border:1px solid var(--line);border-radius:8px;overflow:hidden;font:500 12px/1 var(--sans)}
.lang a{display:grid;place-items:center;min-width:44px;min-height:40px;text-decoration:none;color:var(--ink-3)}
.lang a:hover{color:var(--ink);background:var(--well)}
.lang a[aria-current="page"]{background:var(--ink);color:#fff}
.lang a:focus-visible{outline-offset:-3px;border-radius:4px;outline-color:var(--accent)}
.lang a[aria-current="page"]:focus-visible{outline-color:#fff}

/* ---------- buttons + links ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;height:48px;padding:0 22px;border-radius:8px;border:0;
  font:500 16px/1 var(--sans);text-decoration:none;white-space:nowrap;cursor:pointer;
  transition:background-color .2s var(--ease),color .2s var(--ease),box-shadow .2s var(--ease),transform .12s var(--ease)}
.btn--primary{background:var(--accent);color:#fff}
.btn--primary:hover{background:var(--accent-press)}
.btn--primary:focus-visible{outline:2px solid var(--ink);outline-offset:3px}
.btn--ghost{background:#fff;color:var(--ink);box-shadow:inset 0 0 0 1px var(--line-strong)}
.btn--ghost:hover{box-shadow:inset 0 0 0 1px var(--ink)}
.btn--sm{height:44px;padding:0 16px;font-size:15px}
.btn[disabled]{background:var(--well);color:#61676e;cursor:not-allowed;box-shadow:inset 0 0 0 1px var(--line)}
.btn svg{width:16px;height:16px;flex:none}
.cta-link{display:inline-flex;align-items:center;gap:8px;min-height:44px;font-weight:500;font-size:15.5px;text-decoration:underline;
  text-decoration-color:#a9afb5;text-underline-offset:5px;transition:transform .12s var(--ease)}
.cta-link:hover{text-decoration-color:var(--accent)}
.cta-link svg{width:16px;height:16px;flex:none;transition:transform .25s var(--ease)}
.cta-link:hover svg{transform:translateX(3px)}
/* press feedback: transform only, so nothing around it moves */
.btn:active,.cta-link:active,.logo:active,.site-nav a:active,.lang a:active{transform:translateY(1px)}
.btn[disabled]:active{transform:none}
.next:active{transform:scale(.995)}
.text-link{text-decoration:underline;text-decoration-color:#a9afb5;text-underline-offset:4px}
.text-link:hover{text-decoration-color:var(--accent)}

/* ---------- hero ---------- */
.hero{position:relative;padding:72px var(--inset-r) 76px var(--inset);container-type:inline-size}
.hero h1{font-size:clamp(2.6rem,8cqi,5.5rem);line-height:.98;max-width:920px}
.sub{margin-top:48px;max-width:34ch;font-size:21px;line-height:1.5;color:var(--ink-2)}
.ctas{margin-top:40px;display:flex;gap:12px;flex-wrap:wrap}
.avail{margin-top:26px;font-size:15px;color:var(--ink-2)}

/* ---------- redlines (generated by site.js, aria-hidden) ---------- */
.redlines{position:absolute;inset:0;pointer-events:none;z-index:2;
  transition:opacity .45s var(--ease),clip-path .7s var(--ease),filter .45s var(--ease);clip-path:inset(0 0 0 0)}
.rl{position:absolute}
.rl-v{width:1px;background:var(--accent)}
.rl-v::before,.rl-v::after{content:"";position:absolute;left:-4px;width:9px;height:1px;background:var(--accent)}
.rl-v::before{top:0}.rl-v::after{bottom:0}
.rl-h{height:1px;background:var(--accent)}
.rl-h::before,.rl-h::after{content:"";position:absolute;top:-4px;width:1px;height:9px;background:var(--accent)}
.rl-h::before{left:0}.rl-h::after{right:0}
.pill{position:absolute;font:400 11px/1 var(--mono);color:#fff;background:var(--accent);padding:4px 6px;border-radius:3px;white-space:nowrap;font-variant-numeric:tabular-nums}
.sel{border:1px solid var(--accent)}
.sel i{position:absolute;width:7px;height:7px;background:#fff;border:1px solid var(--accent)}
.sel i:nth-child(1){left:-4px;top:-4px}.sel i:nth-child(2){right:-4px;top:-4px}
.sel i:nth-child(3){left:-4px;bottom:-4px}.sel i:nth-child(4){right:-4px;bottom:-4px}
.leader{height:0;border-top:1px dashed var(--accent)}
.leader::before{content:"";position:absolute;left:-3px;top:-4px;width:7px;height:7px;border-radius:50%;background:var(--accent)}
.elbow{width:0;border-left:1px dashed var(--accent)}
.note{position:absolute;width:var(--rail-w);font:400 11.5px/1.55 var(--mono);color:var(--ink-3);font-variant-numeric:tabular-nums}
.note b,.chip b{display:block;font-weight:400;color:var(--accent);font-size:12px;margin-bottom:2px}
.note .nw,.chip .nw{white-space:nowrap;letter-spacing:-.01em}
.swatches{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}
.sw{height:22px;padding:0 8px;border-radius:3px;display:grid;place-items:center;font:500 10.5px/1 var(--sans);color:#fff;background:var(--accent)}
.sw.h{background:var(--accent-press)}
.sw.f{outline:1.5px solid var(--ink);outline-offset:2px}
.sw.d{background:var(--well);color:#5f656c;box-shadow:inset 0 0 0 1px var(--line)}
/* inline spec chip: under its element when the side rail does not fit */
.chip{display:none}
.anno{transition:opacity .45s var(--ease)}
.tag{display:block;font:400 11.5px/1 var(--mono);color:var(--accent)}

/* ---------- handover notes (proof) ---------- */
/* hairlines are 1px grid gaps over a line-coloured ground: only between cells */
.notes{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:1px;background:var(--line-soft)}
.notes li{padding:26px 28px 28px;background:var(--board)}
.notes .tag{margin-bottom:12px}
.notes p{font-size:17px;line-height:1.4;font-weight:500;letter-spacing:-.005em;font-variant-numeric:tabular-nums}

/* ---------- section heads ---------- */
.section-head{margin:96px 0 28px;padding-left:var(--inset)}
.section-head h2{font-size:52px;line-height:1.02;max-width:20ch}
.section-head p{margin-top:16px;max-width:46ch;color:var(--ink-2);font-size:16.5px}

/* ---------- work ---------- */
.lead{display:grid;grid-template-columns:minmax(0,1fr) 400px;gap:32px;align-items:stretch}
.shot{position:relative;background:var(--well);overflow:hidden}
.shot img{width:100%;height:100%;object-fit:contain}
.lead .shot{aspect-ratio:16/9.8;padding:28px 40px 12px}
.inspector{background:var(--board);outline:1px solid rgba(17,19,21,.07);padding:32px 32px 28px;display:flex;flex-direction:column;transition:outline-color .6s var(--ease)}
.inspector h3{font-size:34px;line-height:1.08}
.inspector p.line{margin-top:16px;color:var(--ink-2);font-size:16.5px}
.fields{margin-top:auto;padding-top:28px;display:grid;grid-template-columns:auto 1fr;column-gap:24px;row-gap:10px;font-size:15px}
.fields dt{color:var(--ink-3)}
.fields dd{font-weight:500;font-variant-numeric:tabular-nums}
.inspector .cta-link{margin-top:16px;align-self:flex-start}
.rest{margin-top:32px;display:grid;grid-template-columns:5fr 4fr 3fr;gap:32px;align-items:start}
.rest .frame{margin-top:0}
.card{container-type:inline-size}
@container (max-width:400px){.card .frame-name__spec{display:none}}
.card .shot{aspect-ratio:4/3;padding:20px 22px 8px}
.card .shot.full{padding:0}
.card .shot.full img{object-fit:cover;object-position:top}
.card .body{background:var(--board);outline:1px solid rgba(17,19,21,.07);padding:22px 24px 18px;transition:outline-color .6s var(--ease)}
.card h3{font-size:24px;line-height:1.15;letter-spacing:-.015em}
.card p.line{margin-top:10px;font-size:15px;color:var(--ink-2)}
.card .fields{padding-top:16px;font-size:14px;row-gap:6px}
.card .cta-link{margin-top:8px;font-size:15px}

/* ---------- how ---------- */
.how h2{padding:48px var(--inset-r) 32px var(--inset);font-size:34px;line-height:1.08}
.how__grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;background:var(--line-soft);border-top:1px solid var(--line-soft)}
.how__grid li{padding:26px 28px 30px;background:var(--board)}
.how__grid li:first-child{padding-left:var(--inset)}
.how__grid .tag{margin-bottom:12px}
.how__grid p{font-size:17px;line-height:1.45;font-weight:500;letter-spacing:-.005em;max-width:36ch}

/* ---------- about ---------- */
.about{display:grid;grid-template-columns:240px minmax(0,1fr);gap:48px;padding:52px var(--inset-r) 52px var(--inset);align-items:start}
.about__img{width:240px;aspect-ratio:1;object-fit:cover;filter:grayscale(1) contrast(1.04)}
.about h2{font-size:34px;line-height:1.08;max-width:18ch}
.about .prose{margin-top:20px}
.about .prose p + p{margin-top:14px}
.about .prose p{max-width:62ch;color:var(--ink-2)}
.about__links{display:flex;flex-wrap:wrap;gap:0 28px;margin-top:20px}

/* ---------- contact ---------- */
.contact{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:56px;padding:56px var(--inset-r) 56px var(--inset)}
.contact h2{font-size:52px;line-height:1}
.contact__intro p{margin-top:14px;color:var(--ink-2);max-width:44ch}
.contact__actions{margin-top:28px;display:flex;flex-wrap:wrap;gap:12px}
.contact__mail{display:inline-flex;margin-top:18px;min-height:44px;align-items:center;font-size:16px;font-weight:500;
  text-decoration:underline;text-decoration-color:#a9afb5;text-underline-offset:5px}
.contact__mail:hover{text-decoration-color:var(--accent)}
.contact__form h3{font-size:24px;line-height:1.15;margin-bottom:18px}
.form{display:grid;gap:18px}
.field{display:grid;gap:6px}
.field label{font-size:15px;font-weight:500}
.field input,.field textarea{width:100%;font:400 16px/1.4 var(--sans);color:var(--ink);background:#fff;border:1px solid var(--line-strong);border-radius:8px;
  padding:12px 14px;min-height:48px;transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.field textarea{min-height:140px;resize:vertical}
.field input:hover,.field textarea:hover{border-color:var(--ink-2)}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(11,122,111,.22)}
.field [aria-invalid="true"]{border-color:var(--error)}
.field [aria-invalid="true"]:focus{box-shadow:0 0 0 3px rgba(180,35,24,.18)}
.field__error{font-size:14.5px;color:var(--error);font-weight:500}
.field__error:empty{display:none}
.hp{position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden}
.form__foot{display:flex;flex-wrap:wrap;align-items:center;gap:12px 18px}
.form__note{font-size:14px;color:var(--ink-3)}
.form__note a{text-decoration:underline;text-underline-offset:3px}
.form[aria-busy="true"]{opacity:.85}
.status{padding:18px 20px;border-radius:8px;font-size:16px}
.status:focus{outline:2px solid var(--accent);outline-offset:3px}
.status--ok{background:var(--accent-tint);box-shadow:inset 0 0 0 1px rgba(11,122,111,.35);color:var(--ink)}
.status--ok b{display:block;font-family:var(--display);font-size:24px;font-weight:var(--display-wght);margin-bottom:4px}
.status--err{background:#fdf3f2;box-shadow:inset 0 0 0 1px rgba(180,35,24,.35);color:var(--ink)}
.status--err a{font-weight:600}
.status[hidden],.form[hidden]{display:none}

/* ---------- footer ---------- */
.site-footer{margin-top:56px;padding:28px 0 0 var(--inset);border-top:1px solid #d5d9dd;display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr) minmax(0,1fr);gap:28px 40px;font-size:15px;color:var(--ink-2)}
.site-footer h2{font:400 12px/1.3 var(--mono);color:var(--ink-3);letter-spacing:0;margin-bottom:8px}
.site-footer ul{display:grid}
.site-footer a{display:inline-flex;align-items:center;min-height:36px;text-decoration:none}
.site-footer a:hover{text-decoration:underline}
.site-footer__id p + p{margin-top:4px}
.site-footer__id .name{font-weight:600;color:var(--ink)}
.site-footer__legal{grid-column:1/-1;display:flex;align-items:center;flex-wrap:wrap;gap:6px 24px;padding-top:16px;border-top:1px solid var(--line);font-size:14px;color:var(--ink-3)}

/* ---------- case study ---------- */
.case-hero{position:relative;padding:72px var(--inset-r) 64px var(--inset);container-type:inline-size}
.case-hero h1{font-size:clamp(2.4rem,6.4cqi,4.75rem);line-height:1;max-width:18ch}
.case-hero .lead-text{margin-top:36px;max-width:52ch;font-size:20px;line-height:1.5;color:var(--ink-2)}
.case-hero .lead-text + .lead-text{margin-top:14px}
.meta{margin-top:44px;display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));border-top:1px solid var(--line-soft);border-left:1px solid var(--line-soft);max-width:980px}
.meta div{background:#fff;padding:16px 18px;border-right:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft)}
.meta dt{font:400 12px/1.3 var(--mono);color:var(--ink-3);margin-bottom:6px}
.meta dd{font-weight:500;font-size:16px;line-height:1.35;font-variant-numeric:tabular-nums}
.artboard{padding:40px var(--inset-r) 28px var(--inset);background:var(--well)}
.artboard img{width:auto;max-width:min(100%,1080px);max-height:min(78vh,860px);margin:0 auto}
.artboard figcaption{max-width:1080px;margin:18px auto 0;font-size:15px;color:var(--ink-2);text-align:center}
.artboard--white{background:#fff}
.sheet{padding:52px var(--inset-r) 56px var(--inset)}
.sheet h2{font-size:34px;line-height:1.08;max-width:22ch}
.sheet .prose{margin-top:18px}
.prose p{max-width:66ch;color:var(--ink-2)}
.prose p + p{margin-top:14px}
.prose strong{color:var(--ink);font-weight:600}
.spec-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:var(--line-soft)}
.spec-grid > div{background:#fff;padding:36px 32px 40px}
.spec-grid > div:first-child{padding-left:var(--inset)}
.spec-grid h2{font-size:24px;line-height:1.15}
.spec-grid p{margin-top:14px;color:var(--ink-2)}
.decisions{margin-top:28px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:var(--line-soft);border:1px solid var(--line-soft)}
.decisions li{background:#fff;padding:24px 24px 28px}
.decisions h3{font-size:20px;line-height:1.2;letter-spacing:-.015em}
.decisions p{margin-top:10px;font-size:16px;color:var(--ink-2)}
.two-col{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;background:var(--line-soft)}
.two-col > .sheet{background:#fff}
.two-col > .sheet + .sheet{padding-left:40px}
.steps{margin-top:28px;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:1px;background:var(--line-soft);border:1px solid var(--line-soft);counter-reset:step}
.steps li{background:#fff;padding:18px 18px 22px;counter-increment:step}
.steps li::before{content:counter(step);display:grid;place-items:center;width:26px;height:26px;border-radius:50%;border:1px solid var(--accent);color:var(--accent);font:400 12px/1 var(--mono);margin-bottom:12px}
.steps h3{font-size:17px;line-height:1.3;letter-spacing:-.01em}
.steps p{margin-top:6px;font-size:15px;color:var(--ink-2)}
.statement{margin-top:22px;max-width:40ch;font-family:var(--display);font-weight:600;font-size:24px;line-height:1.3;letter-spacing:-.015em;color:var(--ink)}
.next{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:32px var(--inset-r) 34px var(--inset);text-decoration:none;
  transition:background-color .25s var(--ease),transform .12s var(--ease)}
.next:hover{background:var(--accent-tint)}
.next__label{display:block;font-size:15px;color:var(--ink-3)}
.next__name{display:block;font-family:var(--display);font-weight:var(--display-wght);letter-spacing:var(--display-track);font-size:40px;line-height:1.05;margin-top:4px}
.next svg{width:32px;height:32px;color:var(--accent);flex:none;transition:transform .25s var(--ease)}
.next:hover svg{transform:translateX(6px)}
.next:focus-visible{outline-offset:-3px}
.closing{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:24px 40px;padding:48px var(--inset-r) 48px var(--inset)}
.closing h2{font-size:40px;line-height:1.05;max-width:20ch}
.closing p{margin-top:10px;color:var(--ink-2)}
.closing__actions{display:flex;flex-direction:column;align-items:flex-start;gap:4px}

/* ---------- handover sample plate (home): a real .italia component, annotated ---------- */
.plate{padding:44px var(--inset-r) 48px var(--inset)}
.plate__intro{max-width:60ch;font-size:17px;color:var(--ink-2)}
.plate__cap{margin-top:12px;font-size:14.5px;color:var(--ink-3)}
.tokens{display:grid;grid-template-columns:repeat(2,max-content);gap:4px 14px;margin-top:4px}
.tk{display:inline-flex;align-items:center;gap:6px;white-space:nowrap}
.tk i{width:11px;height:11px;border-radius:2px;flex:none;box-shadow:inset 0 0 0 1px rgba(17,19,21,.18)}
/* the specimen: an artboard of the ATA portal, in the .italia visual language */
.it{--it-primary:#0066cc;--it-primary-press:#00519f;--it-text:#17324d;--it-rule:#0e3c71;--it-page:#f2f2f2;
  --it-head:#dbeaf3;--it-grid:#c7c7c7;--it-control:#5c6f82;--it-fill:#f6f6f6;
  margin-top:24px;padding:24px;background:var(--it-page);display:grid;gap:24px;
  font:400 16px/1.4 "Titillium Web",system-ui,sans-serif;color:var(--it-text);-webkit-font-smoothing:antialiased}
.it ::selection{background:var(--it-primary);color:#fff}
.it :focus-visible{outline:2px solid var(--it-text);outline-offset:2px}
.it-card{background:#fff;padding:22px 24px 24px;min-width:0}
.it-title{font:600 18px/1.2 "Titillium Web",system-ui,sans-serif;letter-spacing:0;text-transform:uppercase;text-wrap:initial;color:var(--it-text);
  padding-bottom:10px;border-bottom:2px solid var(--it-rule);margin-bottom:22px}
.it-table-wrap{overflow-x:auto;border:1px solid var(--it-grid);border-radius:4px;scrollbar-width:thin}
.it-table{width:100%;border-collapse:collapse;font-size:12px;line-height:1.25;text-align:center;font-variant-numeric:tabular-nums}
.it-table th{background:var(--it-head);font-weight:600;padding:10px 6px;border:1px solid var(--it-grid);border-top:0;vertical-align:middle}
.it-table td{height:48px;padding:0 6px;border:1px solid var(--it-grid);white-space:nowrap}
.it-table tr > :first-child{border-left:0}.it-table tr > :last-child{border-right:0}
.it-table tbody tr:last-child td{border-bottom:0}
.it-code{font-weight:700;color:var(--it-primary)}
.it-act{display:inline-grid;place-items:center;width:40px;height:40px;vertical-align:middle;border:0;border-radius:4px;background:none;color:var(--it-primary);cursor:pointer}
.it-act:hover{background:#e6f0fa;color:var(--it-primary-press)}
.it-act svg{width:20px;height:20px}
.it-label{display:block;font-size:14px;font-weight:600;line-height:1.3;margin-bottom:6px}
.it-label span{color:inherit}
.it-radios{border:0;min-width:0}
.it-radios legend{padding:0}
.it-radios__row{display:flex;flex-wrap:wrap;gap:0 28px;padding:0 10px;background:var(--it-fill)}
.it-radio{display:inline-flex;align-items:center;gap:12px;min-height:44px;padding-right:6px;font-weight:600;cursor:pointer}
.it-radio input{appearance:none;-webkit-appearance:none;width:24px;height:24px;margin:0;flex:none;border:2px solid var(--it-control);border-radius:50%;background:#fff;cursor:pointer;
  transition:border-color .15s var(--ease),box-shadow .15s var(--ease)}
.it-radio input:checked{border-color:var(--it-primary);box-shadow:inset 0 0 0 4px #fff;background:var(--it-primary)}
.it-radio:hover input{border-color:var(--it-text)}
.it-radio:hover input:checked{border-color:var(--it-primary)}
.it-field{margin-top:22px}
.it-textarea{display:block;width:100%;min-height:112px;resize:vertical;padding:10px 12px;font:400 16px/1.4 "Titillium Web",system-ui,sans-serif;color:var(--it-text);
  background:var(--it-fill);border:0;border-bottom:1px solid var(--it-control);border-radius:4px 4px 0 0}
.it-btn{display:flex;align-items:center;justify-content:center;width:100%;height:48px;padding:0 24px;border:0;border-radius:4px;background:var(--it-primary);color:#fff;
  font:700 16px/1 "Titillium Web",system-ui,sans-serif;letter-spacing:.02em;text-transform:uppercase;cursor:pointer;transition:background-color .2s var(--ease)}
.it-btn:hover{background:var(--it-primary-press)}

/* ---------- case study: annotated artboards with pins ---------- */
.ata-shots{margin-top:32px;display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1fr);gap:32px;align-items:start}
.ata-shots .frame{margin-top:0;container-type:inline-size}
@container (max-width:420px){.ata-shot .frame-name__spec{display:none}}
.pinboard{padding:28px;background:var(--well)}
.pins{position:relative}
.pins img{width:100%;height:auto}
.chili-shot .pins{max-width:1080px;margin:0 auto}
.epi-main .pins{max-width:820px;margin:0 auto}
.pinboard figcaption{max-width:1080px;margin:18px auto 0;font-size:15px;color:var(--ink-2);text-align:center}
.epi-stack{display:grid;gap:32px}
.epi-stack .frame{margin-top:0}
.pin{position:absolute;display:flex;align-items:center;gap:8px;transform:translate(-7px,-50%);pointer-events:none}
.pin__dot{width:14px;height:14px;flex:none;border-radius:50%;background:var(--accent);border:2px solid #fff;outline:1px solid var(--accent)}
.pin__label{max-width:21ch;padding:5px 8px 6px;border-radius:3px;background:var(--accent-tint);box-shadow:inset 0 0 0 1px rgba(11,122,111,.45);
  font:400 11.5px/1.35 var(--mono);color:var(--ink-2)}
.pin-list{display:none}
/* the plate keeps the side rail only while the table fits beside it (site.js sets .no-rail); otherwise chips under the specimen */
.no-rail .chip{display:block;width:fit-content;max-width:100%;padding:7px 10px 8px;background:var(--accent-tint);
  box-shadow:inset 0 0 0 1px rgba(11,122,111,.3);border-radius:3px;font:400 11.5px/1.55 var(--mono);color:var(--ink-2);font-variant-numeric:tabular-nums}
.no-rail .chip:empty{display:none}
.no-rail .chips{display:flex;flex-wrap:wrap;align-items:flex-start;gap:10px 12px;margin-top:24px}
body.is-clean .pin-list{display:none!important}

/* ---------- privacy / 404 ---------- */
.doc{padding:64px var(--inset-r) 72px var(--inset)}
.doc h1{font-size:clamp(2.4rem,6vw,4.25rem);line-height:1}
.doc .intro{margin-top:24px;max-width:56ch;font-size:20px;color:var(--ink-2)}
.doc h2{margin-top:44px;font-size:24px;line-height:1.15}
.doc .prose{margin-top:12px}
.doc .prose a{text-decoration:underline;text-decoration-color:#a9afb5;text-underline-offset:4px}
.doc .prose a:hover{text-decoration-color:var(--accent)}
.doc .updated{margin-top:44px;font-size:14.5px;color:var(--ink-3)}
.lost{padding:88px var(--inset-r) 96px var(--inset)}
.lost h1{font-size:clamp(2.6rem,7vw,5rem);line-height:1;max-width:16ch}
.lost p{margin-top:20px;max-width:46ch;font-size:19px;color:var(--ink-2)}
.lost p[lang="it"]{margin-top:10px}
.lost .ctas{margin-top:36px}

/* ---------- production mode (annotations off) ---------- */
body.is-clean{background:var(--board)}
body.is-clean .viewer{background:rgba(255,255,255,.92);border-color:var(--line-soft)}
body.is-clean .redlines{opacity:0;clip-path:inset(0 0 0 100%);filter:blur(2px)}
body.is-clean .anno,body.is-clean .frame-name{opacity:0;visibility:hidden;transition:opacity .45s var(--ease),visibility 0s .45s}
body.is-clean .frame-name{height:0;margin:0;overflow:hidden}
body.is-clean .frame{margin-top:0}
body.is-clean .rest .frame{margin-top:0}
body.is-clean .board,body.is-clean .inspector,body.is-clean .card .body{outline-color:transparent}
body.is-clean .board + .board,body.is-clean .frame + .frame .board{border-top:1px solid var(--line-soft)}
body.is-clean .chip,body.is-clean .chips{display:none!important}
body.is-clean .tag{display:none}

/* ---------- side annotation rail (wide) vs inline chips (narrow) ---------- */
@media (min-width:1181px){
  body:not(.is-clean) [data-gutter]{padding-right:var(--gutter)}
  body:not(.is-clean) [data-gutter].no-rail{padding-right:var(--inset-r)}
  body:not(.is-clean) .hero h1{font-size:clamp(2.6rem,9.6cqi,5.5rem)}
  body:not(.is-clean) .case-hero h1{font-size:clamp(2.4rem,7.6cqi,4.75rem)}
}
@media (max-width:1180px){
  .chip{display:block;width:fit-content;max-width:100%;margin-top:14px;padding:7px 10px 8px;background:var(--accent-tint);
    box-shadow:inset 0 0 0 1px rgba(11,122,111,.3);border-radius:3px;font:400 11.5px/1.55 var(--mono);color:var(--ink-2);font-variant-numeric:tabular-nums}
  .chip:empty{display:none}
  /* hero: the spec chips sit after the CTA group, so the call to action stays in the first screen */
  .chips{display:flex;flex-wrap:wrap;align-items:flex-start;gap:10px 12px;margin-top:24px}
  .chips .chip{margin-top:0}
  .chips:not(:has(.chip:not(:empty))){display:none}
  .sub{margin-top:32px}
  .hero h1{font-size:clamp(2.6rem,6.6cqi,5.5rem)}
  .lead{grid-template-columns:1fr}
  .rest{grid-template-columns:1fr 1fr}
  .rest .card:nth-child(3){grid-column:1/-1;display:grid;grid-template-columns:1fr 1fr}
  .rest .card:nth-child(3) .frame-name{grid-column:1/-1}
  .how__grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .how__grid li:nth-child(odd){padding-left:var(--inset)}
  .about{grid-template-columns:200px minmax(0,1fr);gap:40px}
  .about__img{width:200px}
  .contact{grid-template-columns:1fr;gap:40px}
  .spec-grid{grid-template-columns:1fr}
  .spec-grid > div{padding:32px var(--inset-r) 36px var(--inset)}
  .decisions{grid-template-columns:1fr}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .two-col{grid-template-columns:1fr}
  .two-col > .sheet + .sheet{padding-left:var(--inset)}
  .pin__label{display:none}
  .pin-list{display:grid;gap:6px;margin-top:16px;font:400 11.5px/1.4 var(--mono);color:var(--ink-2)}
  .pin-list li{display:flex;align-items:flex-start;gap:8px}
  .pin-list li::before{content:"";width:9px;height:9px;margin-top:3px;flex:none;border-radius:50%;background:var(--accent)}
}
@media (max-width:1320px){
  .notes{grid-template-columns:repeat(6,minmax(0,1fr))}
  .notes li{grid-column:span 2}
  .notes li:nth-child(n+4){grid-column:span 3}
}
/* header: one row down to 1120px with tighter spacing, nav on its own row below that */
@media (max-width:1300px) and (min-width:1120px){
  .site-header{column-gap:16px}
  .site-nav{gap:2px}
  .site-nav a{padding:0 7px}
  .site-header__right{gap:10px}
}
@media (max-width:1119px){
  .site-nav{order:3;width:100%;margin:0 0 6px -10px}
  .site-header{padding-top:14px;row-gap:6px}
}
@media (max-width:900px){
  .site-footer{grid-template-columns:1fr 1fr}
  .site-footer__id{grid-column:1/-1}
}
@media (max-width:760px){
  :root{--pad:0px;--inset:16px;--inset-r:16px}
  body{font-size:16px}
  .viewer{padding-inline:16px}
  .viewer__note{display:none}
  .viewer__right{flex:1;justify-content:flex-start;gap:12px}
  .toggle__label{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
  .canvas{padding:12px 0 48px}
  .frame{margin-top:24px}
  .frame-name{padding:0 16px}
  article.frame > .frame-name .frame-name__spec{display:none}
  .site-header{min-height:64px;gap:0 10px}
  .idn{gap:10px;flex:1 1 0}
  .idn__name{font-size:14px}
  .idn__role{font-size:11.5px}
  .site-header__right{gap:10px}
  /* phones: one sticky row. At the top: logo + name + menu. Once stuck: logo (breadcrumb) + Book a call + menu, same height */
  .site-header{flex-wrap:wrap;padding-top:0;row-gap:0}
  .site-header__right .btn{display:none;height:44px;padding:0 14px;font-size:14.5px}
  .site-header.is-stuck .site-header__right .btn{display:inline-flex}
  .site-header.is-stuck .idn__text{display:none}
  .idn{min-width:0}
  .logo{min-width:0;max-width:100%}
  .menu-btn{display:inline-flex}
  .site-nav,.lang{display:none}
  /* open menu: links in a column, the language switch under them (it lives in .site-header__right, so it is placed absolutely) */
  .site-header.is-open .site-nav{display:flex;flex-direction:column;order:3;width:100%;margin:0;padding:6px 0 70px;border-top:1px solid var(--line-soft)}
  .site-header.is-open .site-nav a{padding:0 2px;font-size:16px}
  .site-header.is-open .lang{display:flex;position:absolute;left:16px;bottom:16px}
  .site-header__right{order:2}
  .hero{padding:36px 16px 40px}
  .hero h1{font-size:44px;line-height:1.02;letter-spacing:-.02em}
  .sub{margin-top:22px;font-size:17.5px}
  .ctas{margin-top:26px;display:grid;grid-template-columns:1fr;gap:10px}
  .ctas .btn{width:100%}
  .avail{margin-top:18px;font-size:14.5px}
  .chips{margin-top:20px}
  .chip{font-size:11px}
  .notes{grid-template-columns:1fr}
  .notes li,.notes li:nth-child(n+4){grid-column:auto;padding:18px 16px 20px}
  .notes .tag{margin-bottom:8px}
  .notes p{font-size:16px}
  .section-head{margin:64px 0 20px;padding:0 16px}
  .section-head h2{font-size:36px;max-width:none}
  .lead .shot{padding:16px 16px 6px}
  .inspector{padding:22px 16px 20px}
  .inspector h3{font-size:27px}
  .rest{grid-template-columns:1fr;gap:24px}
  .rest .card:nth-child(3){display:block}
  .card .body{padding:18px 16px 16px}
  .how h2{padding:32px 16px 20px;font-size:30px}
  .how__grid{grid-template-columns:1fr}
  .how__grid li,.how__grid li:first-child,.how__grid li:nth-child(odd){padding:18px 16px 20px}
  .how__grid .tag{margin-bottom:8px}
  .how__grid p{font-size:16px}
  .about{grid-template-columns:1fr;padding:32px 16px;gap:24px}
  .about__img{width:132px}
  .about h2{font-size:30px}
  .contact{padding:36px 16px;gap:32px}
  .contact h2{font-size:36px}
  .contact__actions{display:grid;grid-template-columns:1fr}
  .contact__actions .btn{width:100%}
  .form__foot .btn{width:100%}
  .site-footer{grid-template-columns:1fr;padding:24px 16px 0;margin-top:40px}
  .case-hero{padding:36px 16px 40px}
  .case-hero h1{font-size:38px;line-height:1.04;letter-spacing:-.02em}
  .case-hero .lead-text{margin-top:22px;font-size:17.5px}
  .meta{margin-top:28px;grid-template-columns:1fr 1fr}
  .meta div:last-child:nth-child(odd){grid-column:1/-1}
  .artboard{padding:16px 16px 18px}
  .artboard figcaption{margin-top:12px;font-size:14.5px}
  .sheet{padding:32px 16px 36px}
  .sheet h2{font-size:30px}
  .spec-grid > div{padding:28px 16px 32px}
  .spec-grid > div:first-child{padding-left:16px}
  .steps{grid-template-columns:1fr}
  .statement{font-size:20px}
  .next{padding:24px 16px 26px}
  .next__name{font-size:30px}
  .closing{padding:32px 16px 36px}
  .closing h2{font-size:30px}
  .closing__actions{width:100%}
  .closing__actions .btn{width:100%}
  .plate{padding:32px 16px 36px}
  .plate__intro{font-size:16px}
  .it{margin-top:20px;padding:12px;gap:12px}
  .it-card{padding:18px 16px 20px}
  .it-title{font-size:16px;margin-bottom:16px}
  .ata-shots{grid-template-columns:1fr;gap:24px}
  .ata-shot .frame-name__spec{display:none}
  .pinboard{padding:16px}
  .pin{transform:translate(-5px,-50%)}
  .pin__dot{width:10px;height:10px;border-width:1.5px}
  .doc{padding:36px 16px 48px}
  .doc .intro{font-size:17.5px}
  .lost{padding:48px 16px 56px}
  .lost .ctas{display:grid}
}
@media (max-width:380px){
  .logo{font-size:12px;padding:0 11px 0 9px;gap:7px}
  .idn__name{font-size:13px}
  .idn__role{font-size:11px}
  .meta{grid-template-columns:1fr}
}
/* touch: small links get a full 44px target without changing the desktop look */
@media (pointer:coarse){
  .site-footer a,.lang a{min-height:44px}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition-duration:.01ms!important;animation-duration:.01ms!important;scroll-behavior:auto!important}
}