:root{color-scheme:only light}

:root{
  --ink:#222222;
  --head:#2b2b2b;
  --muted:#595959;
  --green:#3f7a1f;
  --green-deep:#2f6014;
  --green-bright:#62a03a;
  --tint:#f1f6ec;
  --tint-2:#e4efd8;
  --grey:#ececec;
  --line:#d6d6d6;
  --serif:Georgia,"Times New Roman","Liberation Serif",serif;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --cond:"Avenir Next Condensed","HelveticaNeue-CondensedBold","Arial Narrow","Liberation Sans Narrow","Roboto Condensed","sans-serif-condensed","Franklin Gothic Medium","Helvetica Neue",Arial,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}

html{background-color:#ffffff;color:#222222;-webkit-text-size-adjust:100%;text-size-adjust:100%}
@media (prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}

body{
  margin:0;
  background-color:#ffffff;
  color:#222222;
  font-family:var(--serif);
  font-size:clamp(1.0625rem,1.02rem + .2vw,1.125rem);
  line-height:1.65;
  overflow-wrap:break-word;
}

img,video{max-width:100%;height:auto}
a{color:var(--green)}

.skip{position:absolute;left:-999px;top:0;background-color:#ffffff;color:#111111;padding:12px 16px;z-index:100;font-family:var(--sans);font-size:1rem}
.skip:focus{left:8px;top:8px;outline:3px solid #111111}

/* ---------- sticky progress bar (appears after the masthead scrolls away) ---------- */
.sticky-bar{
  position:fixed;top:0;left:0;right:0;z-index:50;
  background-color:#ffffff;color:#222222;
  border-bottom:1px solid var(--line);
  transform:translateY(-102%);
  visibility:hidden;
  transition:transform .25s ease,visibility 0s linear .25s;
}
.sticky-bar.show{transform:none;visibility:visible;transition:transform .25s ease,visibility 0s}
.sticky-inner{
  max-width:1100px;margin:0 auto;padding:0 16px;height:46px;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.sticky-brand{font-family:var(--cond);font-weight:700;font-size:1.2rem;letter-spacing:.01em;color:#111111}
.sticky-label{font-family:var(--cond);font-weight:700;font-size:.75rem;letter-spacing:.14em;text-transform:uppercase;color:#444444}
.progress{position:absolute;left:0;bottom:-1px;height:3px;width:0;background-color:var(--green-bright)}

/* ---------- masthead ---------- */
.masthead{background-color:#ffffff;color:#222222;text-align:center;padding:22px 16px 0}
.brand-row{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:10px 14px}
.brand{
  font-family:var(--cond);font-weight:700;
  font-size:clamp(1.625rem,1rem + 3.2vw,3rem);
  line-height:1.05;letter-spacing:.01em;
  color:#111111;text-decoration:none;
}
.brand span{color:var(--green)}
.brand:hover{color:#000000}
.brand:focus-visible,.main-nav a:focus-visible,.btn:focus-visible,.page-links a:focus-visible,.toc a:focus-visible,.toc summary:focus-visible,.nav-toggle:focus-visible,.article a:focus-visible{outline:3px solid #111111;outline-offset:3px}
.label{
  font-family:var(--cond);font-weight:700;font-size:.8125rem;letter-spacing:.14em;text-transform:uppercase;
  color:#444444;background-color:#ffffff;border:1px solid #8a8a8a;border-radius:2px;padding:4px 9px 3px;
}

.main-nav{background-color:#ffffff;color:#222222;padding:6px 0 0}
.main-nav ul{list-style:none;margin:0;padding:6px 0 14px;display:flex;flex-direction:column;align-items:center}
.main-nav a{
  display:inline-flex;align-items:center;min-height:44px;padding:6px 12px;
  font-family:var(--cond);font-weight:700;font-size:1.3rem;letter-spacing:.01em;text-transform:lowercase;
  color:#1a1a1a;text-decoration:none;border-bottom:3px solid transparent;
  transition:color .15s ease,border-color .15s ease;
}
.main-nav a:hover{color:var(--green);border-bottom-color:var(--green-bright)}

.nav-toggle{
  display:none;align-items:center;justify-content:center;gap:10px;
  min-height:44px;min-width:44px;margin:8px auto 0;padding:6px 18px;
  background-color:#ffffff;color:#1a1a1a;border:1px solid #8a8a8a;border-radius:3px;
  font-family:var(--cond);font-weight:700;font-size:1.15rem;letter-spacing:.04em;text-transform:uppercase;cursor:pointer;
  transition:background-color .15s ease;
}
.nav-toggle:hover{background-color:var(--grey)}
.nav-toggle-bars,.nav-toggle-bars::before,.nav-toggle-bars::after{display:block;width:20px;height:3px;background-color:#1a1a1a;border-radius:1px}
.nav-toggle-bars{position:relative}
.nav-toggle-bars::before,.nav-toggle-bars::after{content:"";position:absolute;left:0}
.nav-toggle-bars::before{top:-6px}
.nav-toggle-bars::after{top:6px}

.js .nav-toggle{display:inline-flex}
.js .main-nav{text-align:center}
.js .main-nav ul{display:none;padding-top:2px}
.js .main-nav.open ul{display:flex}

/* ---------- article column ---------- */
.article{max-width:832px;margin:0 auto;padding:0 16px 8px;background-color:#ffffff;color:#222222}

.article h1{
  font-family:var(--cond);font-weight:700;color:var(--head);text-align:center;
  font-size:clamp(1.75rem,1.2rem + 2.6vw,2.9rem);line-height:1.12;letter-spacing:.01em;
  margin:clamp(26px,5vw,52px) 0 .6em;
}
.article h2{
  font-family:var(--cond);font-weight:700;color:var(--head);
  font-size:clamp(1.5rem,1.15rem + 1.5vw,2.1rem);line-height:1.15;letter-spacing:.01em;
  margin:1.7em 0 .6em;scroll-margin-top:64px;
}
.article p{margin:0 0 1.3em}
.article strong{font-weight:700}

.article .dek{font-style:italic;font-size:clamp(1.125rem,1.05rem + .4vw,1.3rem);line-height:1.5;color:#333333;margin:0 0 .9rem}
.article .byline{font-family:var(--sans);font-size:.8125rem;line-height:1.5;letter-spacing:.02em;color:var(--muted);margin:0 0 1.5rem}

.article .badges{
  list-style:none;margin:1.5rem 0 2.2rem;padding:12px 0;
  display:grid;grid-template-columns:repeat(2,auto);justify-content:center;gap:2px 22px;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.badges li{
  display:flex;align-items:center;gap:9px;min-height:34px;margin:0;
  font-family:var(--cond);font-weight:700;font-size:.95rem;letter-spacing:.05em;text-transform:uppercase;color:#333333;
}
.badges li::before{
  content:"";flex:0 0 auto;width:6px;height:11px;margin:-3px 3px 0 1px;
  border:solid var(--green-bright);border-width:0 3px 3px 0;transform:rotate(45deg);
}

/* ---------- media ---------- */
.media{margin:1.9rem 0}
.media img{display:block;width:100%;height:auto;border-radius:3px}
.frame{position:relative;width:100%;aspect-ratio:1200 / 630;background-color:#c9c9c9;border-radius:3px;overflow:hidden}
.frame video{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;display:block}
.media figcaption{margin-top:9px;font-family:var(--sans);font-size:.8125rem;line-height:1.5;font-style:normal;color:var(--muted)}
.media-hero{margin-top:1.2rem}

.split{display:flex;flex-direction:column;gap:6px;margin:1.4rem 0 .4rem}
.split .media{margin:0 0 1rem}
.split .text p:last-child{margin-bottom:1em}

/* ---------- lists ---------- */
.article ul,.article ol{margin:0 0 1.4em;padding-left:1.6em}
.article li{margin:.25em 0}
.article li::marker{color:var(--green)}
.checks{list-style:disc}

.article .steps{list-style:none;counter-reset:step;padding:0;margin:1.6em 0 1.8em}
.article .steps li{counter-increment:step;position:relative;margin:0 0 1.35em;padding-left:3.1rem;min-height:2.6rem}
.steps li::before{
  content:counter(step);position:absolute;left:0;top:-.12em;
  font-family:var(--cond);font-weight:700;font-size:2.7rem;line-height:1;color:var(--green-bright);
}
.steps strong{display:block;font-family:var(--cond);font-size:1.3rem;line-height:1.25;letter-spacing:.01em;color:var(--head);margin-bottom:.15em}

.article .limits{list-style:none;padding:0;margin:1.4em 0 1.6em}
.article .limits li{margin:0 0 1.4em;padding:.15em 0 .15em 1.1rem;border-left:4px solid var(--green-bright)}
.limits strong{display:block;font-family:var(--cond);font-size:1.25rem;line-height:1.25;color:var(--head);margin-bottom:.1em}

/* ---------- table of contents ---------- */
.toc{background-color:var(--grey);color:#222222;border:1px solid #b9b9b9;border-radius:3px;margin:2rem 0 .5rem;max-width:480px}
.toc summary{
  display:flex;align-items:center;gap:10px;min-height:48px;padding:8px 16px;
  font-family:var(--cond);font-weight:700;font-size:1.2rem;color:#222222;cursor:pointer;list-style:none;
}
.toc summary::-webkit-details-marker{display:none}
.toc summary::after{content:"[mostra]";font-family:var(--sans);font-weight:400;font-size:.8125rem;color:#444444}
.toc[open] summary::after{content:"[nascondi]"}
.toc ol{margin:0;padding:2px 16px 16px 42px}
.article .toc li{margin:.35em 0;font-size:1rem;line-height:1.4}
.toc a{color:var(--green-deep);text-decoration:underline;text-underline-offset:2px}
.toc a:hover{color:#1d3d0c}

/* ---------- call to action ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;min-height:50px;padding:12px 26px;
  background-color:#3a7219;background-image:linear-gradient(#4a8a28,#376f18);
  border:1px solid #2a5812;border-radius:4px;
  color:#ffffff;font-family:var(--cond);font-weight:700;font-size:1.25rem;line-height:1.2;letter-spacing:.02em;text-align:center;text-decoration:none;
  text-shadow:0 1px 0 rgba(0,0,0,.28);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.28),0 1px 2px rgba(0,0,0,.22);
  transition:background-color .15s ease,box-shadow .15s ease,transform .15s ease;
}
.article .btn,.article .btn:visited{color:#ffffff}
.btn:hover{background-color:#2f6014;background-image:linear-gradient(#3f7c20,#2d5e12);box-shadow:inset 0 1px 0 rgba(255,255,255,.22),0 3px 8px rgba(0,0,0,.25);transform:translateY(-1px)}
.btn:active{transform:translateY(0)}

.btn-note{margin:.75rem 0 0;font-family:var(--sans);font-size:.8125rem;line-height:1.45;font-style:normal;color:var(--muted)}
.article .btn-note{margin:.75rem 0 0}

.cta-box{
  display:flex;flex-direction:column;align-items:flex-start;gap:16px;
  background-color:#f4f9ef;background-image:linear-gradient(90deg,#ffffff 0%,#e6f0db 100%);color:#222222;
  border:2px solid var(--green-bright);border-radius:8px;
  padding:20px 18px 22px;margin:2.3rem 0;
}
.cta-icon{flex:0 0 auto;width:64px;height:auto}
.article .cta-title{font-family:var(--cond);font-weight:700;font-size:clamp(1.45rem,1.2rem + 1vw,1.9rem);line-height:1.15;letter-spacing:.01em;color:var(--head);margin:0 0 .35em}
.article .cta-text{margin:0 0 1.1em;font-size:1.0625rem;line-height:1.55}
.cta-body{min-width:0}

.cta-inline{text-align:center;margin:2.2rem 0 1.6rem}
.cta-lead{font-family:var(--cond);font-weight:700;font-size:1.35rem;line-height:1.2;color:var(--head);margin:0 0 .7rem}
.article .cta-lead{margin:0 0 .7rem}
.cta-inline .btn-note{max-width:34em;margin-left:auto;margin-right:auto}

/* ---------- closing band ---------- */
.band{background-color:var(--tint);color:#222222;margin:3.2rem 0 0;padding:8px 0 clamp(36px,6vw,64px)}
.band .article{background-color:var(--tint);padding-bottom:0}
.band h2{margin-top:1.6em}
.band .cta-box{background-color:#ffffff;background-image:none;margin-bottom:0}

/* ---------- footer ---------- */
.bottom{
  max-width:832px;margin:0 auto;padding:40px 16px 56px;
  background-color:#ffffff;color:var(--muted);
  font-family:var(--sans);font-size:.8125rem;line-height:1.6;
}
.publisher p{margin:0 0 1.2em;color:var(--muted)}
.page-links{display:flex;flex-wrap:wrap;gap:0 16px;margin:0 0 1rem;background-color:#ffffff;color:var(--muted)}
.page-links a{
  display:inline-flex;align-items:center;min-height:44px;
  color:var(--green-deep);text-decoration:underline;text-underline-offset:2px;
  transition:color .15s ease;
}
.page-links a:hover{color:#1d3d0c}
.page-credit{margin:0;color:var(--muted)}

/* ---------- document pages (about + legal) ---------- */
.doc{padding-bottom:24px}
.doc h1{margin-bottom:.4em}
.doc h2{font-size:clamp(1.35rem,1.1rem + 1vw,1.7rem);margin:1.8em 0 .5em}
.doc-meta{font-family:var(--sans);font-size:.8125rem;line-height:1.5;color:var(--muted);text-align:center;margin:0 0 2rem}
.doc address{font-style:normal;margin:0 0 1.3em;padding-left:1rem;border-left:4px solid var(--green-bright)}
.back-link{font-family:var(--cond)}

/* ---------- breakpoints ---------- */
@media (min-width:480px){
  .article,.sticky-inner,.bottom{padding-left:20px;padding-right:20px}
  .masthead{padding-left:20px;padding-right:20px}
  .article .badges{gap:2px 30px}
  .cta-box{padding:22px 24px 24px}
  .cta-icon{width:76px}
}

@media (min-width:768px){
  .masthead{padding-top:32px}
  .js .nav-toggle{display:none}
  .main-nav ul,.js .main-nav ul{display:flex;flex-direction:row;flex-wrap:wrap;justify-content:center;gap:0 4px;padding:10px 0 20px}
  .main-nav a{font-size:1.35rem;padding:6px 14px}
  .article{padding-left:24px;padding-right:24px}
  .article .badges{display:flex;flex-wrap:wrap;justify-content:center;gap:2px 32px}
  .split{flex-direction:row;align-items:center;gap:30px}
  .split .media{flex:0 0 44%;margin:0}
  .split .media img{aspect-ratio:1 / 1;object-fit:cover;object-position:34% 40%}
  .split .text{flex:1;min-width:0}
  .cta-box{flex-direction:row;align-items:center;gap:26px;padding:26px 30px}
  .cta-icon{width:92px}
  .band .cta-box{padding:30px 34px}
  .bottom{padding-left:24px;padding-right:24px}
  .steps li{padding-left:3.6rem}
  .steps li::before{font-size:3rem}
}

@media (min-width:1024px){
  .masthead{padding-top:40px}
  .main-nav a{font-size:1.5rem;padding:6px 18px}
  .main-nav ul,.js .main-nav ul{padding:14px 0 28px}
  .article h2{margin-top:1.9em}
  .article .badges{margin-bottom:2.6rem}
  .cta-box{margin:2.8rem 0}
  .media{margin:2.3rem 0}
  .split{gap:36px}
}

@media (prefers-reduced-motion:reduce){
  .btn,.main-nav a,.sticky-bar{transition:none}
}