@font-face{font-family:'DM Sans';src:url('collage-fonts/dm-sans-regular.ttf') format('truetype');font-weight:400;font-display:swap}
@font-face{font-family:'DM Sans';src:url('collage-fonts/dm-sans-semibold.ttf') format('truetype');font-weight:600 800;font-display:swap}
@font-face{font-family:'DM Serif Display';src:url('collage-fonts/dm-serif-display.ttf') format('truetype');font-weight:400;font-display:swap}
:root{--serd-blue:#17385a;--serd-paper:#f7f5ef;--serd-ink:#202c3b;--serd-line:#c9d0d4;--color-primary:#17385a;--color-primary-dark:#17385a;--color-primary-darker:#122c47;--color-primary-light:#63819b;--color-primary-tint:#eaf0f4;--font-heading:'DM Serif Display',Georgia,serif;--font-body:'DM Sans',sans-serif}
html{scroll-padding-top:5rem}
body{background:var(--serd-paper);color:var(--serd-ink);font-family:'DM Sans',sans-serif;font-size:17px;line-height:1.65}
header{background:var(--serd-paper);color:var(--serd-ink);border-bottom:1px solid var(--serd-line);padding:1.5rem 0}
header h1{font-family:'DM Serif Display',Georgia,serif;font-weight:400;color:var(--serd-blue);font-size:clamp(1.6rem,3vw,2.2rem)}
header p{color:#4c5965}
main .container{max-width:1080px}
main{padding-top:1.5rem;padding-bottom:4rem}
.page-title{padding:1.3rem 0 1.7rem;border:0;border-radius:0;box-shadow:none;background:transparent}
.page-title h2{font:400 clamp(2.3rem,5vw,3.6rem)/1.12 'DM Serif Display',Georgia,serif;color:var(--serd-blue);margin:.6rem 0 1rem}
.page-title p,.card>p,.serd-reading p{max-width:80ch}
.page-title .serd-eyebrow{font-size:.78rem;font-weight:600;letter-spacing:.09em;color:#4c5965}
.page-title .serd-lead{font-size:1.2rem}
.page-title .breadcrumb a{color:var(--serd-blue)}
.card{border:1px solid var(--serd-line);border-radius:5px;box-shadow:none;background:#fffdf9;margin:1.5rem 0;padding:clamp(1rem,3vw,2rem)}
.card h3{font:400 1.85rem/1.25 'DM Serif Display',Georgia,serif;color:var(--serd-blue);margin:0 0 1rem}
.card h4{font-size:1.08rem;color:var(--serd-blue);margin:1.3rem 0 .5rem}
.indice-pagina{display:flex;flex-wrap:wrap;gap:.4rem .7rem;background:#fffdf9;border:1px solid var(--serd-line);padding:.6rem}
.indice-pagina a{display:inline-flex;align-items:center;min-height:44px;padding:.25rem .55rem;border-radius:3px;color:var(--serd-blue);background:#eaf0f4}
main a{color:var(--serd-blue);text-decoration:underline;text-underline-offset:3px}
.serd-skills,.serd-downloads{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem;margin:1rem 0}
.serd-skills article,.serd-downloads article{min-width:0;padding:1rem;border:1px solid var(--serd-line);border-radius:4px}
.serd-skills article h4,.serd-downloads article h4{margin-top:0}
.serd-skills p{margin:.55rem 0}
.serd-quote{font-size:1.08rem;border-left:3px solid #63819b;padding-left:.8rem}
.serd-note,.serd-case{background:#eaf0f4;border-left:4px solid var(--serd-blue);padding:.4rem 1.1rem;margin:1.2rem 0}
.serd-note h4{margin-top:.8rem}
.btn-download{display:inline-flex;align-items:center;min-height:44px;border:1px solid var(--serd-blue);border-radius:4px;background:var(--serd-blue);color:#fff;padding:.65rem .85rem;text-align:left;font-weight:600;line-height:1.4}
.btn-download:hover{background:#284d6d;color:#fff}
.serd-reading{margin:1.2rem 0;border-block:1px solid var(--serd-line);padding:0 .2rem}
summary{cursor:pointer;min-height:44px;padding:.8rem .2rem;font-weight:600;color:var(--serd-blue)}
.progress-box{padding:1rem;background:#fffdf9;border:1px solid var(--serd-line);border-radius:4px;margin-top:2rem}
.progress-box label{display:block;margin:.8rem 0 .4rem;font-weight:600}
.progress-box textarea{font:inherit;background:#fff;color:var(--serd-ink);width:100%;min-height:10rem;border:1px solid #8796a3;border-radius:3px;padding:.7rem}
.serd-help,#serd-stato{color:#4c5965;font-size:.92rem}
.serd-tools{display:flex;gap:.7rem;flex-wrap:wrap}
.serd-tools button{font:600 1rem 'DM Sans',sans-serif;min-height:44px;padding:.65rem .9rem;background:var(--serd-blue);color:#fff;border:1px solid var(--serd-blue);border-radius:4px;cursor:pointer}
.serd-tools button:disabled{opacity:.6;cursor:wait}
.skip-link{position:fixed;left:1rem;top:-10rem;background:#fff;padding:.75rem;z-index:10001;color:var(--serd-blue)}
.skip-link:focus{top:.5rem}
:focus-visible{outline:3px solid #9b4c0a;outline-offset:4px}
[hidden]{display:none!important}
#serd-identita{max-width:1080px;display:flex;flex-wrap:wrap;align-items:center;gap:.65rem;padding-top:1rem}
#serd-identita #studentLabel,#serd-identita #resetStudent,#serd-identita .home-floating-link{position:static!important;inset:auto!important;margin:0!important;background:#eaf0f4!important;color:var(--serd-blue)!important;border:1px solid var(--serd-line)!important;border-radius:4px!important;box-shadow:none!important;font:600 .85rem 'DM Sans',sans-serif!important;padding:.6rem .8rem!important;min-height:44px;display:inline-flex;align-items:center;line-height:1.4}
body>nav li.nav-ai a{background:var(--serd-blue);color:#fff}
body>nav li.nav-ai a:hover,body>nav li.nav-ai a:focus{background:#284d6d;color:#fff}
@media(max-width:600px){.serd-skills,.serd-downloads{grid-template-columns:1fr}.container{padding-inline:1rem}.card{padding:1rem}.page-title h2{font-size:2.35rem}.indice-pagina{position:static}html{scroll-padding-top:1rem}.btn-download{width:100%;overflow-wrap:anywhere}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
@media print{body{background:#fff;font-size:11pt}header,body>nav,.indice-pagina,.skip-link,.home-floating-link,#studentLabel,#resetStudent,.serd-tools,#serd-stato{display:none!important}main{padding:0}.container{max-width:none;padding:0}.card{border:0;padding:0;margin:1rem 0}.serd-skills,.serd-downloads{display:block}.serd-skills article,.serd-downloads article{break-inside:avoid;margin:.5rem 0}h3,h4{break-after:avoid}.serd-reading{border:0}details>*{display:block!important}details>summary{display:block}.btn-download{background:#fff!important;color:#17385a!important;border:0;padding:0}a{color:#17385a!important}.page-title h2{font-size:26pt}.progress-box{break-before:page}textarea{min-height:5rem}}
@media print{#serd-identita{display:none!important}}