:root{
  --paper:#f7f6f1; --surface:#efede4; --card:#fffefa;
  --ink:#15161a; --ink-soft:#4b4d55; --muted:#666870;
  --cobalt:#1b4fd8; --cobalt-deep:#17419c; --cobalt-soft:#6f8fe8; --cobalt-tint:#eef1fb;
  --line:#e3e1d8;
  --on-dark-soft:#c8c9cf; --on-dark-muted:#9c9ea6;
  --px:clamp(1rem,4vw,1.5rem); --maxw:68rem; --maxw-wide:80rem;
  --hh:4rem;
}
@media (min-width:900px){:root{--hh:4.5rem}}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scrollbar-color:var(--cobalt-soft) var(--paper)}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:"Plus Jakarta Sans",ui-sans-serif,system-ui,sans-serif;
  font-size:1.0625rem;line-height:1.6;-webkit-font-smoothing:antialiased;
}
::selection{background:var(--cobalt);color:#fff}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto} *{animation:none!important;transition:none!important}}
img{max-width:100%;display:block}
svg{display:block}
a{color:inherit;text-underline-offset:.2em}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--px)}
.wrap-wide{max-width:var(--maxw-wide)}
h1,h2,h3{margin:0;font-weight:800;line-height:1.05;letter-spacing:-.03em}
h1{font-size:clamp(1.6rem,8.6vw,3.75rem)}
h2{font-size:clamp(1.5rem,8.1vw,3rem)}
h3{font-size:clamp(1.35rem,5.4vw,1.9rem);letter-spacing:-.02em;line-height:1.1}
@media (min-width:900px){
  h1{font-size:clamp(2.2rem,4.4vw,3.75rem)}
  h2{font-size:clamp(2rem,3.4vw,3rem)}
}
p{margin:0 0 1rem}
.lead{font-size:clamp(1.1rem,1.6vw,1.3rem);line-height:1.5;color:var(--ink-soft);max-width:44ch}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;min-height:48px;padding:.8rem 1.5rem;border-radius:9999px;font-weight:700;text-decoration:none;font-size:1rem;line-height:1.2;border:1.5px solid transparent;transition:background-color .15s ease,border-color .15s ease,color .15s ease;white-space:nowrap}
.btn-primary{background:var(--cobalt);color:#fff}
.btn-primary:hover{background:var(--cobalt-deep)}
.btn-ghost{border-color:rgba(21,22,26,.3);color:var(--ink)}
.btn-ghost:hover{border-color:var(--cobalt);color:var(--cobalt-deep)}
.btn-onCobalt{background:#fff;color:var(--cobalt-deep)}
.btn-onCobalt:hover{background:var(--cobalt-tint)}
:focus-visible{outline:3px solid var(--cobalt);outline-offset:3px;border-radius:.4rem}
.band-dark :focus-visible,.band-cobalt :focus-visible{outline-color:#fff}
.skip{position:absolute;left:1rem;top:-4rem;background:var(--cobalt);color:#fff;padding:.6rem 1rem;border-radius:9999px;font-weight:700;text-decoration:none;z-index:100}
.skip:focus{top:1rem}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(247,246,241,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:center;gap:1rem;height:calc(var(--hh) - 1px)}
.brand{font-weight:800;letter-spacing:-.02em;text-decoration:none;white-space:nowrap;font-size:1.1rem;min-height:44px;display:inline-flex;align-items:center}
.nav{margin-left:auto;display:flex;align-items:center;gap:1.75rem}
.nav a{text-decoration:none;color:var(--ink-soft);font-weight:600;font-size:.97rem;min-height:44px;display:inline-flex;align-items:center}
.nav a:hover{color:var(--cobalt-deep)}
.nav a.btn-primary{color:#fff;min-height:44px;padding:.6rem 1.25rem}
.nav a.btn-primary:hover{color:#fff}
@media (max-width:899px){.nav a:not(.btn){display:none}}
.nav a.nav-icon{color:var(--ink-soft);min-width:44px;justify-content:center;margin:0 -.75rem}
.nav a.nav-icon:hover{color:var(--cobalt)}
@media (min-width:900px) and (max-width:1079px){.nav{gap:1.1rem}}

/* hero */
.hero-grid{display:grid;gap:1.5rem;grid-template-rows:auto minmax(0,1fr);align-items:stretch;min-height:calc(100vh - var(--hh));min-height:calc(100svh - var(--hh));padding-block:1.25rem}
.hero-copy{align-self:center}
.hero h1{margin:0 0 1rem;text-wrap:balance}
.rule{width:4.5rem;height:5px;background:var(--cobalt);border-radius:9999px;margin:0 0 1.25rem;transform-origin:left center;animation:draw .9s cubic-bezier(.16,1,.3,1) .15s both}
@keyframes draw{from{transform:scaleX(0)}to{transform:scaleX(1)}}
.hero .lead{max-width:none;margin-bottom:1.5rem}
.hero .cta{display:flex;flex-wrap:wrap;gap:.75rem}
.proof{list-style:none;margin:2rem 0 0;padding:0;display:flex;flex-wrap:wrap;gap:.5rem 2rem;font-size:.95rem;color:var(--ink-soft)}
.proof strong{font-weight:800;color:var(--ink)}
@media (max-width:519px){.proof{flex-direction:column;gap:.35rem}}
.hero-media{position:relative;background:var(--cobalt-tint);border-radius:1.5rem;padding:.6rem;min-height:clamp(9rem,28svh,22rem)}
.hero-frame{position:absolute;inset:.6rem;border-radius:1rem;overflow:hidden}
.hero-frame img{width:100%;height:100%;object-fit:cover;transform:scale(1.4);transform-origin:34% 40%}
@media (min-width:900px){
  .hero-grid{grid-template-rows:none;align-items:center;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:clamp(2.5rem,5vw,5rem);padding-block:2rem;min-height:calc(100vh - var(--hh) - 6rem);min-height:calc(100svh - var(--hh) - 6rem)}
  .hero h1{margin-bottom:1.25rem}
  .hero .lead{max-width:38ch;margin-bottom:2.25rem;font-size:clamp(1.15rem,1.75vw,1.4rem)}
  .hero-media{align-self:stretch;min-height:28rem;padding:.75rem;border-radius:1.75rem}
  .hero-frame{inset:.75rem}
}
.logos{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:1.25rem 0 1.4rem}
.logos .wrap{display:flex;flex-direction:column;align-items:flex-start;gap:1rem}
.logos p{font-size:.72rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin:0;white-space:nowrap}
.logos .marquee{width:100%;overflow:hidden;background:var(--surface);-webkit-mask-image:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent);mask-image:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent)}
.logos .marquee-track{background:var(--surface);list-style:none;margin:0;padding:0;display:flex;flex-wrap:nowrap;align-items:center;width:max-content;animation:logos-scroll 45s linear infinite}
.logos .marquee-track li{flex:0 0 auto;padding-right:3.5rem}
.logos .marquee:hover .marquee-track,.logos .marquee:focus-within .marquee-track{animation-play-state:paused}
.logos a{display:block;padding:.35rem 0}
.logos a:hover img,.logos a:focus-visible img{opacity:1}
@keyframes logos-scroll{to{transform:translateX(-50%)}}
.logos .marquee.static{-webkit-mask-image:none;mask-image:none}
.logos .marquee.static .marquee-track{animation:none;flex-wrap:wrap;width:100%;gap:1rem 0}
@media (prefers-reduced-motion:reduce){.logos .marquee{-webkit-mask-image:none;mask-image:none}.logos .marquee-track{flex-wrap:wrap;width:100%;gap:1rem 0}.logos .marquee-track li.clone{display:none}}
.logos img{display:block;height:1.4rem;width:auto;opacity:.7;filter:grayscale(1);transition:opacity .2s}
.logos img.logo-invert{filter:grayscale(1) brightness(0);opacity:.6}
.logos img.logo-lg{height:1.9rem}
.logos img.logo-sm{height:1rem}
.logos img.logo-multiply{mix-blend-mode:multiply;height:1.6rem}
.logos img.logo-tall{height:2.4rem;filter:grayscale(1) brightness(.6) contrast(1.6);opacity:.8}

/* sections */
section{scroll-margin-top:var(--hh)}
.band{padding:clamp(4rem,9vw,7rem) 0}
.band-surface{background:var(--surface)}
.band-dark{background:var(--ink);color:var(--paper)}
.band-dark .lead{color:var(--on-dark-soft)}
.band-cobalt{background:var(--cobalt);color:#fff}
.section-head{margin-bottom:clamp(2rem,4vw,3rem)}
.section-head h2{margin-bottom:.9rem}
.section-head .lead{margin:0}

/* offerte */
.offers{display:grid;gap:1.25rem}
.offer{background:var(--card);border:1px solid var(--line);border-radius:1.25rem;padding:clamp(1.5rem,3.5vw,2.1rem);display:flex;flex-direction:column}
.offer-full{background:var(--cobalt-tint);border-color:#dfe4f6}
.offer h3{font-size:1.35rem;margin:0 0 .4rem;letter-spacing:-.02em}
.offer .price{font-size:clamp(1.9rem,5.5vw,2.4rem);font-weight:800;letter-spacing:-.03em;line-height:1;margin:0 0 1.4rem;white-space:nowrap}
.offer .price small{font-size:.85rem;font-weight:600;color:var(--muted);letter-spacing:0;margin-left:.35rem}
.phase{font-size:.72rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--cobalt-deep);margin:0 0 .6rem}
.offer .list + .phase,.offer .more + .phase{margin-top:1.4rem}
.offer-plus{font-weight:700;margin:0 0 .9rem}
.offer .list{margin:0}
.offer-facts{list-style:none;margin:0 0 1.5rem;padding:0 0 1.25rem;border-bottom:1px solid var(--line);display:grid;gap:.35rem;font-size:.92rem;color:var(--ink-soft)}
.offer-facts strong{color:var(--ink);font-weight:700}
.offer-full .offer-facts{border-bottom-color:#dfe4f6}
.sublist{list-style:none;margin:.6rem 0 0;padding:0;display:grid;gap:.4rem;font-size:.92rem}
.sublist li{display:block;position:relative;padding-left:1rem}
.list .sublist li::before{content:"";position:absolute;left:0;top:.7em;width:.45rem;height:1.5px;margin:0;border-radius:0;background:var(--cobalt-soft)}
.offer .more{align-self:flex-start;margin-top:1.1rem;font-size:.95rem}
.offer-out{margin:2.2rem 0 0;padding-top:1.4rem;border-top:1px solid var(--line);font-weight:700}
.offer-full .offer-out{border-top-color:#dfe4f6}
.offer .btn{align-self:flex-start;margin-top:1.3rem}
@media (min-width:760px){
  .offers{grid-template-columns:1fr 1fr;gap:1.5rem;align-items:stretch}
  .offer{padding:2.1rem 2.2rem}
  .offer-out{margin-top:auto}
  .offer > :nth-last-child(3){margin-bottom:2.2rem}
}
.list{list-style:none;margin:0;padding:0;display:grid;gap:.6rem}
.list li{display:flex;gap:.7rem;align-items:flex-start;color:var(--ink-soft)}
.list li::before{content:"";flex:none;width:.5rem;height:.5rem;margin-top:.6rem;border-radius:9999px;background:var(--cobalt)}

/* corsi */
.badge{display:inline-block;font-size:.74rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;padding:.3rem .7rem;border-radius:9999px;margin-bottom:.75rem;line-height:1.2;background:var(--cobalt);color:#fff}
.badge-tint{background:transparent;color:var(--cobalt-deep);box-shadow:inset 0 0 0 1.5px var(--cobalt-soft)}
.aula-photo{margin:0 0 clamp(1.5rem,3vw,2.5rem)}
.aula-photo img{display:block;width:100%;height:auto;aspect-ratio:2/1;object-fit:cover;border-radius:1.25rem}
.course{display:grid;gap:1.25rem;padding:clamp(2rem,4vw,3rem) 0;border-top:1px solid var(--line)}
.course:last-of-type{border-bottom:1px solid var(--line)}
.course .diagram{max-width:19rem;width:100%}
.course h3{margin-bottom:.6rem}
.course .price{font-size:clamp(1.5rem,5vw,2.1rem);font-weight:800;letter-spacing:-.03em;line-height:1;margin:0 0 .5rem;white-space:nowrap}
.course .price small{display:block;font-size:.9rem;font-weight:600;color:var(--muted);letter-spacing:0;margin-top:.35rem;white-space:normal}
.course .meta{color:var(--ink-soft);font-size:.97rem;margin:0}
.course-body p{color:var(--ink-soft);max-width:44ch}
@media (min-width:900px){
  .course{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(2rem,4vw,3.5rem);align-items:start}
  .course h3{font-size:clamp(1.4rem,2.6vw,1.9rem)}
  .course .diagram{max-width:none}
}

/* metodo */
.method-top{display:grid;gap:2.5rem;align-items:center}
@media (min-width:900px){.method-top{grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:clamp(3rem,6vw,6rem)}}
.tools{display:grid;grid-template-columns:repeat(2,minmax(0,max-content));gap:.6rem;margin:1.75rem 0 0;padding:0;list-style:none}
@media (min-width:520px){.tools{grid-template-columns:repeat(4,max-content)}}
@media (min-width:900px){.tools{grid-template-columns:repeat(2,max-content)}}
.tools li{display:flex;align-items:center;gap:.6rem;background:var(--card);color:var(--ink);border-radius:9999px;padding:.55rem 1.15rem .55rem .7rem;font-size:.97rem;font-weight:700}
.tools img{width:22px;height:22px;object-fit:contain;flex:none}
.custom-cta{margin-top:clamp(2.5rem,5vw,3.5rem);display:flex;flex-direction:column;align-items:flex-start;gap:1.25rem;border:1.5px solid var(--cobalt);background:var(--cobalt-tint);border-radius:1.25rem;padding:clamp(1.25rem,3vw,1.75rem) clamp(1.25rem,3vw,2rem)}
.custom-cta h3{font-size:clamp(1.2rem,4vw,1.5rem);margin-bottom:.35rem}
.custom-cta p{margin:0;color:var(--ink-soft)}
@media (min-width:760px){.custom-cta{flex-direction:row;align-items:center;justify-content:space-between;gap:2rem}.custom-cta .btn{flex:none}}
.figure{margin:0}
.figure figcaption{color:var(--on-dark-soft);font-size:.97rem;margin-top:1rem;text-align:center}
.steps{margin-top:clamp(3rem,6vw,4.5rem);display:grid;gap:2rem;border-top:1px solid rgba(255,255,255,.14);padding-top:2rem}
@media (min-width:760px){.steps{grid-template-columns:repeat(3,1fr);gap:clamp(1.5rem,3vw,3rem)}}
.step .n{display:block;font-size:2.75rem;font-weight:800;letter-spacing:-.04em;line-height:1;color:var(--cobalt-soft);margin-bottom:.75rem}
.step h3{font-size:1.25rem;margin-bottom:.5rem}
.step p{color:var(--on-dark-soft);margin:0;font-size:.97rem}

/* diagrams */
.dg-text{font-family:"Plus Jakarta Sans",ui-sans-serif,system-ui,sans-serif}
.dg-node-cobalt{fill:var(--cobalt)}
.dg-node-paper{fill:var(--paper)}
.dg-ink{fill:var(--ink)}
.dg-white{fill:#fff}
.dg-arc{fill:none;stroke:var(--cobalt-soft);stroke-width:2.25;stroke-linecap:round}
.dg-arrow{fill:var(--cobalt-soft)}
.dg-label{fill:var(--on-dark-soft);font-size:13px;font-weight:600}
.dg-chip{fill:var(--card);stroke:var(--ink-soft);stroke-width:1.4}
.dg-chip-text{fill:var(--ink);font-size:12.5px;font-weight:600}
.dg-doc{fill:none;stroke:var(--ink-soft);stroke-width:1.4;stroke-linejoin:round}
.dg-folder{fill:var(--card);stroke:var(--cobalt);stroke-width:2;stroke-linejoin:round}
.dg-tint-chip{fill:var(--cobalt-tint)}
.dg-tint-text{fill:var(--cobalt-deep);font-size:12.5px;font-weight:600}
.dg-line{stroke:var(--line);stroke-width:1.5}
.dg-arrow-ink{fill:var(--cobalt)}
.dg-arrow-line{fill:none;stroke:var(--cobalt);stroke-width:2.25;stroke-linecap:round}
.dg-file{fill:var(--card);stroke:var(--ink-soft);stroke-width:1.6;stroke-linejoin:round}
.dg-file-cobalt{fill:var(--cobalt-tint);stroke:var(--cobalt);stroke-width:1.6;stroke-linejoin:round}
.dg-file-text{fill:var(--ink-soft);font-size:12px;font-weight:700}
.dg-file-text-cobalt{fill:var(--cobalt-deep);font-size:12px;font-weight:700}
.dg-group{fill:var(--ink);font-size:13.5px;font-weight:700}
.dg-node-text{font-size:16px;font-weight:800}
.dg-packet text{font-size:11.5px;font-weight:700}
.dg-packet-cobalt rect{fill:var(--cobalt-soft)}
.dg-packet-cobalt text{fill:#fff}
.dg-packet-paper rect{fill:var(--paper)}
.dg-packet-paper text{fill:var(--ink)}
.dg-ring{fill:none;stroke-width:2;transform-box:fill-box;transform-origin:center;opacity:0;animation:dgRing 2.5s cubic-bezier(.22,1,.36,1) infinite}
.dg-ring-cobalt{stroke:var(--cobalt-soft)}
.dg-ring-paper{stroke:var(--paper);animation-delay:1.25s}
@keyframes dgRing{0%{transform:scale(1);opacity:.55}100%{transform:scale(1.28,1.6);opacity:0}}
@media (prefers-reduced-motion:reduce){.dg-packet{display:none}.dg-ring{animation:none}}

/* about */
.about{display:grid;gap:1.5rem}
@media (min-width:900px){.about{grid-template-columns:minmax(0,.8fr) minmax(0,1.6fr);gap:clamp(2rem,5vw,5rem)}}
.about h2{align-self:start}
.about p{color:var(--ink-soft);max-width:60ch}
.social{display:flex;flex-wrap:wrap;gap:1.5rem;margin:1.25rem 0 0;padding:0;list-style:none}
.social a{font-weight:700;color:var(--cobalt-deep);text-decoration:none;border-bottom:2px solid #d5dcf3;padding-bottom:2px;min-height:44px;display:inline-flex;align-items:center}
.social a:hover{border-bottom-color:var(--cobalt);color:var(--ink)}

/* hub */
.band-tight{padding:clamp(3rem,7vw,5rem) 0}
.oss{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.75rem}
@media (min-width:760px){.oss{grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem}}
.oss-card{position:relative;display:flex;flex-direction:column;gap:.35rem;height:100%;box-sizing:border-box;background:var(--card);border:1px solid var(--line);border-radius:1rem;padding:1rem 2.25rem 1.1rem 1.1rem;text-decoration:none;color:var(--ink);transition:border-color .2s ease,transform .2s ease}
.oss-card:hover{border-color:var(--cobalt);transform:translateY(-2px)}
.oss-name{font-weight:800;font-size:1.05rem;letter-spacing:-.01em}
.oss-desc{color:var(--ink-soft);font-size:.9rem;line-height:1.45}
.oss-arrow{position:absolute;top:.9rem;right:1rem;color:var(--cobalt);font-weight:700}
#open-source .more{display:inline-block;margin-top:1.5rem}
@media (prefers-reduced-motion:reduce){.oss-card{transition:none}.oss-card:hover{transform:none}}
.hub-band{padding:clamp(2rem,4vw,2.75rem) 0}
.hub{display:flex;flex-wrap:wrap;align-items:center;gap:1.25rem 2rem}
.hub img{height:2.4rem;width:auto}
.hub p{margin:0;max-width:44ch;color:var(--ink-soft);flex:1 1 20rem}

/* closing */
.closing{text-align:center;padding:clamp(4.5rem,10vw,7rem) 0}
.closing h2{margin-bottom:1rem}
.closing .lead{color:#fff;margin:0 auto 1.5rem;opacity:.92}
.mailto{display:inline-block;font-size:clamp(1.1rem,6vw,2rem);font-weight:800;letter-spacing:-.01em;color:#fff;text-decoration:none;border-bottom:3px solid rgba(255,255,255,.4);padding-bottom:.15rem;word-break:break-word;min-height:44px}
.mailto:hover{border-bottom-color:#fff}
footer{border-top:1px solid var(--line);padding:2rem 0;font-size:.88rem;color:var(--muted)}
footer .wrap{display:flex;flex-wrap:wrap;gap:.5rem 1.5rem;justify-content:space-between}

/* programma */
.page-head{padding:clamp(2.5rem,6vw,4.5rem) 0 clamp(1.5rem,3vw,2.5rem)}
.back{display:inline-flex;align-items:center;gap:.4rem;font-size:.95rem;font-weight:600;color:var(--muted);text-decoration:none;margin-bottom:1.25rem}
.back:hover{color:var(--cobalt-deep)}
.page-head h1{margin:0 0 1rem}
.page-head .lead{max-width:42ch}
.total{display:inline-block;margin-top:1.5rem;font-size:.78rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--cobalt-deep);background:var(--cobalt-tint);padding:.45rem .9rem;border-radius:9999px}
.modules{border-top:1px solid var(--line);margin:0;padding:0}
.module{display:grid;gap:.3rem 1.75rem;padding:clamp(1.5rem,3vw,2rem) 0;border-bottom:1px solid var(--line)}
.module .dur{font-size:1.05rem;font-weight:800;color:var(--cobalt);letter-spacing:-.01em;font-variant-numeric:tabular-nums}
.module h2{font-size:clamp(1.2rem,3.4vw,1.55rem);letter-spacing:-.02em;line-height:1.15;margin:0 0 .6rem}
.module .diagram{max-width:19rem;width:100%;margin-top:1.1rem}
.module-break{display:grid;gap:.3rem 1.75rem;padding:.9rem 0;border-bottom:1px solid var(--line);color:var(--muted);font-size:.95rem}
.module-break .dur{font-size:.95rem;font-weight:700;color:var(--muted)}
@media (min-width:760px){
  .module,.module-break{grid-template-columns:5rem minmax(0,1fr)}
  .module .dur,.module-break .dur{padding-top:.2rem}
}
.claim{padding:clamp(3rem,6vw,4.5rem) 0}
.claim p{font-size:clamp(1.5rem,4vw,2.3rem);font-weight:800;letter-spacing:-.03em;line-height:1.15;margin:0;max-width:22ch;text-wrap:balance}
.takeaway{padding:clamp(3rem,6vw,4.5rem) 0}
.takeaway h2{margin-bottom:1.5rem}
.page-end{padding:clamp(3rem,6vw,4.5rem) 0;border-top:1px solid var(--line)}
.page-end p{max-width:46ch;font-size:1.1rem}
.page-end .cta{display:flex;flex-wrap:wrap;gap:.75rem;margin-top:1.5rem}
.more{display:inline-block;margin-top:1.25rem;font-weight:700;color:var(--cobalt-deep);text-decoration:none;border-bottom:2px solid var(--cobalt-soft);padding-bottom:.15rem}
.more:hover{border-bottom-color:var(--cobalt-deep)}