/* Giacomo Pesce · 823 Consulting — foglio di stile unico
   Nessuna risorsa esterna: font di sistema, nessun CDN, nessun cookie. */

:root {
  --ink: #17201f;
  --ink-soft: #46524f;
  --muted: #6b7774;
  --line: #e2e8e6;
  --bg: #ffffff;
  --bg-soft: #f4f8f7;
  --blue: #4fb8e6;
  --teal: #0f9f93;
  --teal-dark: #0b7d74;
  --green: #84bd3a;
  --phosphor: #3cff6e;
  --crt: #050806;
  --radius: 14px;
  --wrap: 1120px;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--bg);
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--teal-dark); text-underline-offset: 3px; }
a:hover { color: var(--teal); }
h1, h2, h3 { line-height: 1.2; margin: 0 0 .6em; letter-spacing: -.01em; }
h1 { font-size: clamp(2rem, 4.6vw, 3.3rem); font-weight: 750; }
h2 { font-size: clamp(1.55rem, 3vw, 2.2rem); font-weight: 720; }
h3 { font-size: 1.15rem; font-weight: 680; }
p { margin: 0 0 1em; }
ul { padding-left: 1.2em; }
li { margin: .25em 0; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 12px; z-index: 100; background: #fff; padding: 8px 12px; border-radius: 8px; }
:focus-visible { outline: 3px solid var(--blue); outline-offset: 2px; }

.eyebrow {
  font-size: .78rem; font-weight: 700; letter-spacing: .22em; text-transform: uppercase;
  color: var(--teal); margin-bottom: .9em; display: block;
}
.lead { font-size: 1.15rem; color: var(--ink-soft); max-width: 46rem; }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.94);
  backdrop-filter: saturate(160%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; min-height: 70px; gap: 16px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--ink); }
.brand img { width: 38px; height: auto; }
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-name { font-weight: 700; letter-spacing: .16em; font-size: .95rem; text-transform: uppercase; }
.brand-sub { font-weight: 700; letter-spacing: .22em; font-size: .66rem; color: var(--teal); text-transform: uppercase; margin-top: 3px; }

.nav ul { list-style: none; margin: 0; padding: 0; display: flex; gap: 4px; }
.nav a {
  display: block; padding: 8px 12px; border-radius: 8px; text-decoration: none;
  color: var(--ink-soft); font-weight: 600; font-size: .95rem;
}
.nav a:hover { background: var(--bg-soft); color: var(--ink); }
.nav a[aria-current="page"] { color: var(--teal-dark); background: #e8f5f3; }
.nav .nav-cta a { background: var(--ink); color: #fff; }
.nav .nav-cta a:hover { background: var(--teal-dark); color: #fff; }
.menu-btn {
  display: none; background: none; border: 1px solid var(--line); border-radius: 10px;
  padding: 8px 12px; font: inherit; font-weight: 600; color: var(--ink); cursor: pointer;
}

@media (max-width: 860px) {
  .menu-btn { display: block; }
  .nav { position: absolute; left: 0; right: 0; top: 70px; background: #fff; border-bottom: 1px solid var(--line); display: none; }
  .nav.open { display: block; }
  .nav ul { flex-direction: column; padding: 10px 20px 18px; }
  .nav a { padding: 12px 10px; }
}

/* ---------- sezioni ---------- */
section { padding: 84px 0; }
.soft { background: var(--bg-soft); }
.section-head { max-width: 46rem; margin-bottom: 44px; }

/* ---------- hero ---------- */
.hero { padding: 90px 0 80px; overflow: hidden; position: relative; }
.hero .wrap { display: grid; grid-template-columns: 1.25fr .75fr; gap: 48px; align-items: center; }
.hero h1 span { color: var(--teal); }
.hero-mark { justify-self: center; width: min(320px, 70vw); filter: drop-shadow(0 18px 30px rgba(15,159,147,.15)); }
.roles { display: flex; flex-wrap: wrap; gap: 8px; margin: 26px 0 30px; padding: 0; list-style: none; }
.roles li {
  margin: 0; font-size: .8rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
  border: 1px solid var(--line); border-radius: 999px; padding: 6px 14px; color: var(--ink-soft); background: #fff;
}
.actions { display: flex; flex-wrap: wrap; gap: 12px; }
.btn {
  display: inline-block; padding: 13px 22px; border-radius: 10px; font-weight: 700;
  text-decoration: none; border: 2px solid var(--ink); background: var(--ink); color: #fff; cursor: pointer; font: inherit; font-weight: 700;
}
.btn:hover { background: var(--teal-dark); border-color: var(--teal-dark); color: #fff; }
.btn.ghost { background: transparent; color: var(--ink); }
.btn.ghost:hover { background: var(--ink); color: #fff; border-color: var(--ink); }
@media (max-width: 860px) {
  .hero { padding: 56px 0 60px; }
  .hero .wrap { grid-template-columns: 1fr; }
  .hero-mark { order: -1; width: 150px; justify-self: start; }
}

/* ---------- card ---------- */
.grid { display: grid; gap: 20px; grid-template-columns: repeat(auto-fit, minmax(270px, 1fr)); }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px 24px; position: relative;
}
.card::before {
  content: ""; position: absolute; left: 24px; top: 0; width: 42px; height: 4px; border-radius: 0 0 4px 4px;
  background: var(--teal);
}
.card.c-blue::before { background: var(--blue); }
.card.c-green::before { background: var(--green); }
.card h3 { margin-top: 6px; }
.card p { color: var(--ink-soft); margin-bottom: .6em; }
.card .more { font-weight: 700; text-decoration: none; }

/* ---------- numeri/fatti ---------- */
.facts { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.fact { padding: 26px 22px; border-right: 1px solid var(--line); }
.fact:last-child { border-right: 0; }
.fact strong { display: block; font-size: 1.9rem; line-height: 1.1; color: var(--teal-dark); margin-bottom: 6px; }
.fact span { color: var(--ink-soft); font-size: .95rem; }
@media (max-width: 860px) {
  .facts { grid-template-columns: 1fr 1fr; }
  .fact:nth-child(2) { border-right: 0; }
  .fact:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
}

/* ---------- terminale (omaggio al web del 1991) ---------- */
.terminal {
  background: var(--crt); color: var(--phosphor); border-radius: 12px;
  font-family: var(--mono); font-size: .92rem; line-height: 1.75;
  padding: 26px 26px 22px; position: relative; overflow: hidden;
  box-shadow: 0 0 0 1px #0f1a12, 0 24px 50px rgba(0,0,0,.22);
  text-shadow: 0 0 6px rgba(60,255,110,.45);
}
.terminal::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: repeating-linear-gradient(to bottom, rgba(0,0,0,0) 0 2px, rgba(0,0,0,.22) 2px 3px);
}
.terminal .t-title { text-align: right; opacity: .85; margin-bottom: 12px; }
.terminal .t-center { text-align: center; margin-bottom: 18px; letter-spacing: .08em; }
.terminal dl { margin: 0; display: grid; grid-template-columns: 6.5ch 1fr; column-gap: 2ch; }
.terminal dt { opacity: .8; }
.terminal dd { margin: 0 0 4px; }
.terminal .prompt { margin-top: 16px; }
.cursor { display: inline-block; width: .6em; height: 1.1em; background: var(--phosphor); vertical-align: -3px; margin-left: 6px; border-radius: 2px; animation: blink 1.05s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
@media (prefers-reduced-motion: reduce) { .cursor { animation: none; } html { scroll-behavior: auto; } }
@media (max-width: 560px) { .terminal { font-size: .8rem; padding: 18px 16px; } .terminal dl { grid-template-columns: 5ch 1fr; } }

/* ---------- due colonne ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
@media (max-width: 860px) { .split { grid-template-columns: 1fr; gap: 32px; } }
.checklist { list-style: none; padding: 0; }
.checklist li { padding-left: 30px; position: relative; margin: .55em 0; }
.checklist li::before {
  content: ""; position: absolute; left: 0; top: .45em; width: 16px; height: 16px; border-radius: 50% 50% 50% 0;
  background: var(--green); transform: rotate(-45deg);
}

/* ---------- servizi dettaglio ---------- */
.service { padding: 54px 0; border-top: 1px solid var(--line); scroll-margin-top: 90px; }
.service:first-of-type { border-top: 0; }
.service .split { grid-template-columns: .9fr 1.1fr; }
.tag { display: inline-block; font-size: .72rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--teal-dark); background: #e8f5f3; border-radius: 6px; padding: 3px 9px; margin: 0 6px 6px 0; }
.toc { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.toc a { text-decoration: none; border: 1px solid var(--line); border-radius: 999px; padding: 7px 14px; font-weight: 600; font-size: .92rem; color: var(--ink-soft); background: #fff; }
.toc a:hover { border-color: var(--teal); color: var(--teal-dark); }

/* ---------- partner ---------- */
.partners { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 760px) { .partners { grid-template-columns: 1fr; } }

/* ---------- CTA ---------- */
.cta { background: var(--ink); color: #e9efed; border-radius: 20px; padding: 48px 44px; display: flex; justify-content: space-between; align-items: center; gap: 28px; flex-wrap: wrap; }
.cta h2 { color: #fff; margin-bottom: .3em; }
.cta p { margin: 0; color: #b9c6c2; max-width: 38rem; }
.cta .btn { background: var(--green); border-color: var(--green); color: var(--ink); }
.cta .btn:hover { background: #fff; border-color: #fff; }
.cta.alert { background: linear-gradient(120deg, #0b2b28, #17201f 60%); }

/* ---------- form ---------- */
.form { display: grid; gap: 16px; }
.form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 640px) { .form .row { grid-template-columns: 1fr; } }
.form label { font-weight: 650; font-size: .92rem; display: block; margin-bottom: 6px; }
.form input, .form select, .form textarea {
  width: 100%; font: inherit; padding: 12px 14px; border: 1px solid #cfd8d5; border-radius: 10px; background: #fff; color: var(--ink);
}
.form textarea { min-height: 170px; resize: vertical; }
.form input:focus, .form select:focus, .form textarea:focus { outline: none; border-color: var(--teal); box-shadow: 0 0 0 3px rgba(15,159,147,.18); }
.form .check { display: flex; gap: 10px; align-items: flex-start; font-weight: 400; font-size: .92rem; color: var(--ink-soft); }
.form .check input { width: 18px; height: 18px; margin-top: 3px; flex: none; }
.hp { position: absolute !important; left: -10000px !important; width: 1px; height: 1px; overflow: hidden; }
.note { font-size: .88rem; color: var(--muted); }
.status { border-radius: 10px; padding: 14px 16px; font-weight: 600; display: none; }
.status.ok { display: block; background: #eaf6dd; color: #2f5410; border: 1px solid #c9e4a8; }
.status.err { display: block; background: #fdecec; color: #8a1f1f; border: 1px solid #f3c6c6; }
.contact-box { background: var(--bg-soft); border-radius: var(--radius); padding: 28px; }
.contact-box dl { margin: 0; }
.contact-box dt { font-size: .75rem; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; color: var(--muted); margin-top: 18px; }
.contact-box dt:first-child { margin-top: 0; }
.contact-box dd { margin: 4px 0 0; font-weight: 650; font-size: 1.05rem; word-break: break-word; }

/* ---------- testo lungo (privacy) ---------- */
.prose { max-width: 46rem; }
.prose h2 { font-size: 1.35rem; margin-top: 2em; }
.prose table { border-collapse: collapse; width: 100%; font-size: .95rem; margin: 1em 0 1.6em; }
.prose th, .prose td { border: 1px solid var(--line); padding: 10px 12px; text-align: left; vertical-align: top; }
.prose th { background: var(--bg-soft); }

/* ---------- footer ---------- */
.site-footer { background: #0f1615; color: #a9b6b2; padding: 56px 0 30px; margin-top: 0; font-size: .94rem; }
.site-footer a { color: #d6e2de; text-decoration: none; }
.site-footer a:hover { color: #fff; text-decoration: underline; }
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 36px; }
@media (max-width: 760px) { .foot-grid { grid-template-columns: 1fr; } }
.foot-brand { display: flex; gap: 14px; align-items: center; margin-bottom: 14px; }
.foot-brand img { width: 40px; }
.foot-brand strong { color: #fff; letter-spacing: .14em; text-transform: uppercase; font-size: .95rem; display: block; }
.foot-brand span { color: var(--green); letter-spacing: .2em; font-size: .68rem; font-weight: 700; text-transform: uppercase; }
.site-footer h4 { color: #fff; font-size: .78rem; letter-spacing: .18em; text-transform: uppercase; margin: 0 0 12px; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.legal { border-top: 1px solid #22302d; margin-top: 40px; padding-top: 20px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; font-size: .85rem; }

/* ---------- pagina interna: intestazione ---------- */
.page-head { padding: 70px 0 40px; background: linear-gradient(180deg, var(--bg-soft), #fff); }
.page-head .lead { margin-bottom: 0; }

/* ---------- screenshot in cornice browser (Prometeo) ---------- */
.shot { margin: 0; border-radius: 14px; overflow: hidden; border: 1px solid var(--line); background: #fff; box-shadow: 0 24px 60px rgba(23,32,31,.12); }
.shot-bar { display: flex; gap: 7px; padding: 11px 14px; background: #eef3f2; border-bottom: 1px solid var(--line); }
.shot-bar span { width: 11px; height: 11px; border-radius: 50%; background: #cfd8d5; }
.shot-bar span:nth-child(1) { background: var(--blue); }
.shot-bar span:nth-child(2) { background: var(--teal); }
.shot-bar span:nth-child(3) { background: var(--green); }
.shot img { width: 100%; }
.shot figcaption { font-size: .88rem; color: var(--muted); padding: 10px 16px; border-top: 1px solid var(--line); }

/* ---------- foto Prometeo ---------- */
.shot.photo { max-width: 720px; justify-self: center; }

/* ---------- Prometeo: galleria, moduli, passi ---------- */
.gallery { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
@media (max-width: 860px) { .gallery { grid-template-columns: 1fr; } }
.shot figcaption strong { color: var(--ink); }
.mini { list-style: none; padding: 0; margin: 0; color: var(--ink-soft); }
.mini li { padding: 6px 0; border-top: 1px solid var(--line); margin: 0; }
.mini li:first-child { border-top: 0; }
.steps { list-style: none; counter-reset: passo; padding: 0; margin: 0; }
.steps li { counter-increment: passo; position: relative; padding: 0 0 18px 52px; margin: 0; }
.steps li::before { content: counter(passo); position: absolute; left: 0; top: -2px; width: 34px; height: 34px; border-radius: 50%; background: var(--teal); color: #fff; font-weight: 700; display: grid; place-items: center; }