:root {
  --bg: #fbfbf7;
  --panel: #f2f2ec;
  --panel2: #e9e9e2;
  --ink: #11110f;
  --muted: #66665e;
  --line: #ccccC3;
  --line-strong: #8e8e85;
  --accent: #8a1f1f;
  --max: 1180px;
  --reading: 790px;
  --pad: clamp(18px, 3vw, 38px);
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  --sans: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
html { color-scheme: light; scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(rgba(17,17,15,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(17,17,15,.018) 1px, transparent 1px),
    var(--bg);
  background-size: 36px 36px;
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
}
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: .2em; }
a:hover { text-decoration-style: double; }
img { max-width: 100%; height: auto; }
::selection { background: var(--ink); color: var(--bg); }
.shell { width: min(100%, var(--max)); margin: 0 auto; padding-inline: var(--pad); }

.site-header { background: rgba(251,251,247,.96); backdrop-filter: blur(6px); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 100; }
.header-inner { min-height: 108px; display: flex; align-items: center; gap: 28px; transition: min-height .2s ease; }
.brand { display: inline-flex; align-items: center; gap: 17px; text-decoration: none; min-width: 0; }
.brand-logo { width: 70px; height: 70px; flex: 0 0 auto; transition: width .2s ease, height .2s ease; }
.site-header.is-scrolled .header-inner { min-height: 62px; padding-block: 8px; }
.site-header.is-scrolled .brand-logo { width: 30px; height: 30px; }
.brand-name { font-family: var(--mono); font-size: clamp(1rem, 2.3vw, 1.34rem); letter-spacing: .035em; white-space: nowrap; }
.site-nav { margin-left: auto; display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px 22px; font-family: var(--mono); font-size: .78rem; }
.site-nav a { color: var(--muted); text-decoration: none; }
.site-nav a:hover { color: var(--ink); }
.site-nav a::before { content: "/"; color: var(--line-strong); margin-right: 2px; }
.statusbar { border-bottom: 1px solid var(--line); font-family: var(--mono); color: var(--muted); font-size: .72rem; letter-spacing: .04em; }
.statusbar .shell { min-height: 38px; display: flex; align-items: center; gap: 14px; white-space: nowrap; overflow-x: auto; scrollbar-width: none; }
.statusbar .shell::-webkit-scrollbar { display: none; }
.statusbar .shell span + span::before { content: "| "; color: var(--line-strong); }
.status-dot::before { content: "●"; color: var(--accent); margin-right: 7px; font-size: .72em; }
.lang-switch { margin-left: auto; display: flex; align-items: center; gap: 6px; flex-shrink: 0; }
.lang-switch a { color: var(--muted); text-decoration: none; }
.lang-switch a:hover { color: var(--ink); }
.lang-switch strong { color: var(--ink); font-weight: 600; }
.lang-switch .lang-sep { color: var(--line-strong); }

.hero { padding: clamp(72px, 11vw, 150px) 0 clamp(64px, 8vw, 110px); border-bottom: 1px solid var(--line); }
.kicker { margin: 0 0 22px; font-family: var(--mono); text-transform: uppercase; letter-spacing: .12em; color: var(--muted); font-size: .72rem; }
.hero h1 { margin: 0; max-width: 1050px; font-size: clamp(3rem, 8.2vw, 7.4rem); line-height: .91; letter-spacing: -.065em; font-weight: 720; }
.hero h1 span { display: block; }
.hero h1 .accent { color: var(--accent); }
.hero-copy { max-width: 790px; margin: clamp(38px, 6vw, 68px) 0 0 auto; padding-left: clamp(0px, 7vw, 80px); font-size: clamp(1.05rem, 2vw, 1.31rem); color: #3d3d37; }
.hero-copy p { margin: 0 0 1em; }
.invite-pill { display: inline-flex; margin-top: 16px; border: 1px solid var(--ink); padding: 8px 11px; font-family: var(--mono); text-transform: uppercase; font-size: .72rem; letter-spacing: .08em; }

.section { padding: clamp(66px, 9vw, 112px) 0; border-bottom: 1px solid var(--line); }
.section-head { display: grid; grid-template-columns: minmax(150px,.7fr) 2fr; gap: 30px; margin-bottom: 45px; align-items: start; }
.section-index { font-family: var(--mono); color: var(--muted); font-size: .75rem; padding-top: .48em; }
.section-title { margin: 0; max-width: 860px; font-size: clamp(2rem, 4.7vw, 4.15rem); line-height: 1; letter-spacing: -.045em; font-weight: 680; }
.section-intro { max-width: 780px; margin: -8px 0 42px auto; color: var(--muted); }

.service-list { border-top: 1px solid var(--line); }
.service { display: grid; grid-template-columns: 110px minmax(0,1.05fr) minmax(260px,.95fr); gap: 28px; padding: 34px 0 38px; border-bottom: 1px solid var(--line); }
.service-no { font-family: var(--mono); color: var(--muted); font-size: .72rem; }
.service h3 { margin: 0 0 8px; font-size: clamp(1.45rem, 2.7vw, 2.2rem); line-height: 1.08; letter-spacing: -.03em; }
.service h3 a { text-decoration: none; }
.service .desc { margin: 0; color: #3d3d37; }
.onion-link { margin: 8px 0 0; font-family: var(--mono); font-size: .72rem; }
.onion-link a { color: var(--muted); }
.onion-link a:hover { color: var(--accent); }
.privacy-box { border-left: 1px solid var(--line); padding-left: 24px; }
.privacy-box dl { margin: 0; }
.privacy-box div { display: grid; grid-template-columns: 92px 1fr; gap: 12px; padding: 7px 0; border-bottom: 1px dotted var(--line); }
.privacy-box div:last-child { border-bottom: 0; }
.privacy-box dt { font-family: var(--mono); color: var(--muted); font-size: .69rem; text-transform: uppercase; letter-spacing: .05em; }
.privacy-box dd { margin: 0; font-size: .88rem; }
.tag { display: inline-block; margin-top: 12px; font-family: var(--mono); font-size: .68rem; text-transform: uppercase; letter-spacing: .06em; padding: 4px 7px; border: 1px solid var(--line-strong); }
.tag.client { color: var(--accent); border-color: var(--accent); }

.arch-grid { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.arch-card { padding: 28px; min-height: 230px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.arch-card .eyebrow { font-family: var(--mono); color: var(--muted); font-size: .72rem; margin-bottom: 48px; }
.arch-card h3 { margin: 0 0 10px; font-size: 1.4rem; }
.arch-card p { margin: 0; color: var(--muted); font-size: .92rem; }
.limit-note { margin-top: 28px; padding: 22px 24px; border: 1px solid var(--line-strong); background: var(--panel); }
.limit-note strong { font-family: var(--mono); font-size: .82rem; }
.limit-note p { margin: 8px 0 0; }

.steps { counter-reset: step; border-top: 1px solid var(--line); }
.step { display: grid; grid-template-columns: 110px 1fr; gap: 28px; padding: 25px 0; border-bottom: 1px solid var(--line); }
.step-num { font-family: var(--mono); color: var(--muted); font-size: .72rem; }
.step h3 { margin: 0 0 5px; font-size: 1.15rem; }
.step p { margin: 0; color: var(--muted); max-width: 720px; }
.cta { margin-top: 38px; display: flex; gap: 16px; flex-wrap: wrap; align-items: center; }
.button { display: inline-block; padding: 13px 16px; border: 1px solid var(--ink); text-decoration: none; font-family: var(--mono); font-size: .8rem; }
.button.primary { background: var(--ink); color: var(--bg); }
.button:hover { background: var(--accent); border-color: var(--accent); color: white; }
.cta-note { color: var(--muted); font-family: var(--mono); font-size: .72rem; }

.page-head { padding: clamp(62px,9vw,110px) 0 48px; border-bottom: 1px solid var(--line); }
.page-head h1 { margin: 0; max-width: 920px; font-size: clamp(2.8rem,7vw,6.1rem); line-height: .94; letter-spacing: -.058em; }
.page-intro { max-width: 760px; margin: 30px 0 0; color: var(--muted); font-size: 1.08rem; }
.reading { width: min(100%, var(--reading)); margin: 0 auto; padding: clamp(55px,8vw,100px) var(--pad); }
.reading p { margin: 0 0 1.5em; }
.reading h2,.reading h3 { margin: 2.25em 0 .7em; line-height: 1.12; letter-spacing: -.025em; }
.reading h2 { font-size: 2rem; }
.reading h3 { font-size: 1.4rem; }
.reading ul { padding-left: 1.2em; }
.reading code { font-family: var(--mono); font-size: .88em; }

.material-list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.material-list li { display: flex; align-items: baseline; gap: 18px; flex-wrap: wrap; padding: 20px 0; border-bottom: 1px solid var(--line); }
.material-type { font-family: var(--mono); color: var(--muted); font-size: .7rem; text-transform: uppercase; min-width: 40px; }
.material-list a { font-size: 1.1rem; text-decoration: none; color: var(--ink); }
.material-list a:hover { color: var(--accent); }
.material-desc { flex-basis: 100%; margin-left: 58px; color: var(--muted); font-size: .88rem; }
.material-action { margin-left: auto; font-family: var(--mono); font-size: .72rem; color: var(--muted); }

.article-list { border-top: 1px solid var(--line); }
.article-card { display: grid; grid-template-columns: 110px 1fr; gap: 28px; padding: 30px 0; border-bottom: 1px solid var(--line); }
.article-date { font-family: var(--mono); color: var(--muted); font-size: .72rem; padding-top: .3em; }
.article-main h3 { margin: 0 0 6px; font-size: 1.4rem; letter-spacing: -.02em; }
.article-main h3 a { text-decoration: none; color: var(--ink); }
.article-main h3 a:hover { color: var(--accent); }
.article-main .desc { margin: 0; color: var(--muted); }
.article-tags { margin-top: 10px; display: flex; gap: 8px; flex-wrap: wrap; }
.article-meta { margin-top: 18px; display: flex; gap: 12px; align-items: center; font-family: var(--mono); color: var(--muted); font-size: .78rem; }
.article-cover { margin: 0 auto 0; max-width: var(--reading); }
.article-cover img { width: 100%; display: block; border: 1px solid var(--line); }

.site-footer { padding: 36px 0 42px; font-family: var(--mono); color: var(--muted); font-size: .72rem; }
.footer-inner { display: flex; justify-content: space-between; gap: 20px; align-items: flex-end; }
.footer-name { color: var(--ink); }
.footer-right { text-align: right; }

@media (max-width: 820px) {
  .header-inner { min-height: auto; padding-block: 13px; align-items: flex-start; }
  .brand-logo { width: 40px; height: 40px; }
  .brand { gap: 12px; }
  .site-nav { gap: 6px 15px; font-size: .7rem; flex-wrap: nowrap; overflow-x: auto; -webkit-overflow-scrolling: touch; scrollbar-width: none; padding-right: var(--pad); }
  .site-nav::-webkit-scrollbar { display: none; }
  .site-nav a { flex: 0 0 auto; }
  .section-head { grid-template-columns: 1fr; gap: 8px; }
  .section-intro { margin-left: 0; }
  .service { grid-template-columns: 80px 1fr; }
  .privacy-box { grid-column: 2; }
  .arch-grid { grid-template-columns: 1fr; }
}
@media (max-width: 590px) {
  body { font-size: 16px; }
  .header-inner { display: grid; grid-template-columns: 1fr; gap: 10px; }
  .site-nav { margin: 0 calc(var(--pad) * -1); padding: 10px var(--pad) 0; width: calc(100% + var(--pad) * 2); justify-content: flex-start; border-top: 1px solid var(--line); flex-wrap: nowrap; overflow-x: auto; -webkit-overflow-scrolling: touch; scrollbar-width: none; gap: 5px 11px; font-size: .64rem; }
  .site-nav::-webkit-scrollbar { display: none; }
  .site-nav a { flex: 0 0 auto; }
  .brand-logo { width: 34px; height: 34px; }
  .hero h1 { font-size: clamp(2.75rem,14vw,4.2rem); }
  .hero-copy { padding-left: 0; }
  .service { grid-template-columns: 1fr; gap: 11px; }
  .privacy-box { grid-column: 1; border-left: 0; border-top: 1px solid var(--line); padding: 17px 0 0; margin-top: 8px; }
  .step { grid-template-columns: 58px 1fr; gap: 14px; }
  .footer-inner { display: block; }
  .footer-right { text-align: left; margin-top: 18px; }
}

/* v3: spiegazioni privacy più brevi + pagina contatti */
.project-copy { max-width: 790px; margin-left: auto; font-size: 1.08rem; }
.project-copy p { margin: 0 0 1.25em; }
.service-simple { grid-template-columns: 92px minmax(220px,.8fr) minmax(0,1.2fr); }
.privacy-simple { border-left: 1px solid var(--line); padding-left: 26px; }
.privacy-simple p { margin: 0 0 .8em; font-size: .94rem; }
.privacy-simple p:last-child { margin-bottom: 0; }
.privacy-simple strong { font-family: var(--mono); font-size: .76rem; text-transform: uppercase; letter-spacing: .035em; }
.privacy-key { margin-top: 28px; padding: 20px 22px; border: 1px solid var(--line-strong); background: var(--panel); display: grid; gap: 8px; font-size: .93rem; }
.privacy-key strong { font-family: var(--mono); font-size: .78rem; }
.compact-steps .step { grid-template-columns: 90px 1fr; }

.contact-grid { display: grid; grid-template-columns: minmax(260px,.78fr) minmax(0,1.22fr); gap: clamp(44px,7vw,90px); align-items: start; }
.contact-explainer { position: sticky; top: 30px; }
.contact-explainer h2 { margin: 13px 0 18px; font-size: clamp(2rem,4vw,3.5rem); line-height: 1; letter-spacing: -.04em; }
.contact-explainer p { color: #3d3d37; }
.contact-address { margin-top: 36px; padding-top: 22px; border-top: 1px solid var(--line); font-family: var(--mono); font-size: .84rem; }
.contact-address a { font-size: 1rem; }
.contact-form { border-top: 1px solid var(--line); }
.field { padding: 22px 0; border-bottom: 1px solid var(--line); }
.field label { display: block; margin-bottom: 9px; font-family: var(--mono); font-size: .76rem; text-transform: uppercase; letter-spacing: .05em; }
.field label span { color: var(--muted); text-transform: none; letter-spacing: 0; }
.field input, .field select, .field textarea { width: 100%; border: 1px solid var(--line-strong); border-radius: 0; background: var(--bg); color: var(--ink); padding: 12px 13px; font: inherit; }
.field textarea { resize: vertical; min-height: 170px; }
.field input:focus, .field select:focus, .field textarea:focus { outline: 2px solid var(--accent); outline-offset: 2px; }
.form-submit { margin-top: 25px; cursor: pointer; }
.form-note { margin: 16px 0 0; color: var(--muted); font-size: .82rem; max-width: 650px; }

@media (max-width: 820px) {
  .service-simple { grid-template-columns: 68px 1fr; }
  .privacy-simple { grid-column: 2; }
  .contact-grid { grid-template-columns: 1fr; }
  .contact-explainer { position: static; }
}
@media (max-width: 590px) {
  .service-simple { grid-template-columns: 1fr; }
  .privacy-simple { grid-column: 1; border-left: 0; border-top: 1px solid var(--line); padding: 16px 0 0; }
}