/* ===========================================================
   Circuito Vivo — Assemblaggio PC su misura, Milano
   Design system: dark cyber / circuit, cyan + lime glow
   Display: Space Mono (monospace)   Body: Inter
   Distinct from the three studios: dark, technical, neon.
   =========================================================== */

:root {
  --bg:       #0a0e14;
  --bg-2:     #0f141d;
  --panel:    #131a25;
  --panel-2:  #182230;
  --ink:      #e6edf3;
  --ink-soft: #8b97a7;
  --cyan:     #22d3ee;
  --cyan-dk:  #0e7490;
  --lime:     #a3e635;
  --line:     #1e2a3a;
  --line-2:   #27384d;
  --radius:   10px;
  --maxw:     1200px;
  --glow-cy:  0 0 30px -6px rgba(34, 211, 238, .55);
  --glow-lm:  0 0 26px -6px rgba(163, 230, 53, .5);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.7;
  font-size: 16.5px;
  -webkit-font-smoothing: antialiased;
}
/* subtle circuit grid background */
body::before {
  content: ""; position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background-image:
    linear-gradient(rgba(34,211,238,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(34,211,238,.035) 1px, transparent 1px);
  background-size: 46px 46px;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

h1, h2, h3, h4, .mono { font-family: 'Space Mono', monospace; font-weight: 700; line-height: 1.08; letter-spacing: -0.01em; }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 26px; }

.section { padding: 96px 0; }
.section--tight { padding: 60px 0; }
.section--panel { background: var(--bg-2); }

.eyebrow {
  font-family: 'Space Mono', monospace; text-transform: uppercase; letter-spacing: .2em;
  font-size: 12px; font-weight: 700; color: var(--cyan);
  display: inline-flex; align-items: center; gap: 9px;
}
.eyebrow::before { content: "//"; color: var(--lime); }

.h-xl { font-size: clamp(2.5rem, 6.2vw, 4.6rem); }
.h-lg { font-size: clamp(2rem, 4vw, 3.1rem); }
.h-md { font-size: clamp(1.5rem, 3vw, 2.1rem); }

.lead { font-size: 1.16rem; color: var(--ink-soft); max-width: 58ch; }
.muted { color: var(--ink-soft); }
.center { text-align: center; }
.center .lead { margin-left: auto; margin-right: auto; }
.hl { color: var(--cyan); }
.hl-lime { color: var(--lime); }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: 'Space Mono', monospace; font-weight: 700; font-size: 14px; letter-spacing: .02em;
  padding: 15px 28px; border-radius: var(--radius); border: 1px solid transparent; cursor: pointer;
  transition: all .18s ease;
}
.btn--primary { background: var(--cyan); color: #04141a; }
.btn--primary:hover { box-shadow: var(--glow-cy); transform: translateY(-2px); }
.btn--ghost { border-color: var(--line-2); color: var(--ink); background: transparent; }
.btn--ghost:hover { border-color: var(--cyan); color: var(--cyan); }
.btn--lime { background: var(--lime); color: #11210a; }
.btn--lime:hover { box-shadow: var(--glow-lm); transform: translateY(-2px); }

/* ---------- NAV ---------- */
.nav { position: sticky; top: 0; z-index: 50; background: rgba(10,14,20,.82); backdrop-filter: blur(12px); border-bottom: 1px solid var(--line); }
.nav__inner { display: flex; align-items: center; justify-content: space-between; height: 72px; max-width: var(--maxw); margin: 0 auto; padding: 0 26px; }
.brand { font-family: 'Space Mono', monospace; font-weight: 700; font-size: 19px; display: inline-flex; align-items: center; gap: 10px; letter-spacing: -.02em; }
.brand__mark { width: 30px; height: 30px; border-radius: 7px; border: 1.5px solid var(--cyan); display: grid; place-items: center; flex: none; box-shadow: var(--glow-cy); }
.brand__mark::after { content: ""; width: 11px; height: 11px; background: var(--cyan); border-radius: 2px; }
.brand span { color: var(--cyan); }
.nav__links { display: flex; align-items: center; gap: 26px; }
.nav__links a { font-size: 14.5px; font-weight: 500; color: var(--ink-soft); transition: color .2s; }
.nav__links a:hover, .nav__links a.active { color: var(--ink); }
.nav__links a.active { color: var(--cyan); }
.nav__cta { display: flex; align-items: center; gap: 14px; }
.nav__toggle { display: none; background: none; border: 0; cursor: pointer; color: var(--ink); }

/* ---------- HERO ---------- */
.hero { position: relative; padding: 70px 0 84px; overflow: hidden; }
.hero__grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 50px; align-items: center; }
.hero h1 { margin: 20px 0 22px; }
.hero__cta { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 30px; }
.hero__specs { display: flex; gap: 26px; margin-top: 38px; flex-wrap: wrap; }
.spec { border-left: 2px solid var(--cyan); padding-left: 14px; }
.spec b { font-family: 'Space Mono', monospace; font-size: 1.7rem; display: block; line-height: 1; color: var(--ink); }
.spec small { font-size: .8rem; color: var(--ink-soft); text-transform: uppercase; letter-spacing: .1em; }
.hero__media { position: relative; }
.hero__media img { width: 100%; border-radius: var(--radius); aspect-ratio: 4/3.6; object-fit: cover; border: 1px solid var(--line-2); }
.hero__media::after { content: ""; position: absolute; inset: 0; border-radius: var(--radius); box-shadow: inset 0 0 80px -20px rgba(34,211,238,.4); pointer-events: none; }
.hero__chip { position: absolute; top: 18px; left: 18px; background: rgba(10,14,20,.85); border: 1px solid var(--cyan); color: var(--cyan); font-family: 'Space Mono', monospace; font-size: 12px; padding: 7px 14px; border-radius: 6px; }

/* ---------- ticker ---------- */
.ticker { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--bg-2); overflow: hidden; }
.ticker__track { display: flex; gap: 0; white-space: nowrap; padding: 13px 0; font-family: 'Space Mono', monospace; font-size: 13px; color: var(--ink-soft); animation: slide 30s linear infinite; }
.ticker__track span { padding: 0 26px; border-right: 1px solid var(--line); }
.ticker__track span b { color: var(--cyan); }
@keyframes slide { to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce){ .ticker__track { animation: none; } }

/* ---------- grids ---------- */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.align-c { align-items: center; }

.sec-head { max-width: 700px; margin-bottom: 52px; }
.sec-head.center { margin-left: auto; margin-right: auto; }
.sec-head .eyebrow { margin-bottom: 16px; }
.sec-head h2 { margin-bottom: 14px; }

/* ---------- cards ---------- */
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 30px 26px; transition: border-color .2s ease, transform .2s ease; position: relative; }
.card:hover { border-color: var(--cyan); transform: translateY(-4px); }
.card__n { font-family: 'Space Mono', monospace; font-size: .85rem; color: var(--lime); letter-spacing: .1em; }
.card h3 { font-size: 1.25rem; margin: 12px 0 10px; }
.card p { color: var(--ink-soft); font-size: .96rem; }
.card ul { list-style: none; margin-top: 14px; display: grid; gap: 8px; }
.card li { padding-left: 20px; position: relative; font-size: .92rem; color: var(--ink-soft); }
.card li::before { content: "▸"; position: absolute; left: 0; color: var(--cyan); }

/* ---------- feature ---------- */
.feature { display: grid; grid-template-columns: 1fr 1fr; gap: 54px; align-items: center; }
.feature--rev .feature__media { order: 2; }
.feature__media { position: relative; }
.feature__media img { border-radius: var(--radius); border: 1px solid var(--line-2); width: 100%; }
.feature__copy .eyebrow { margin-bottom: 14px; }
.feature__copy h2 { margin-bottom: 14px; }
.feature ul { list-style: none; margin-top: 20px; display: grid; gap: 12px; }
.feature li { padding-left: 28px; position: relative; color: var(--ink-soft); }
.feature li::before { content: "▸"; position: absolute; left: 0; top: 0; color: var(--cyan); }

/* ---------- gallery ---------- */
.gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.figure { position: relative; overflow: hidden; border-radius: var(--radius); border: 1px solid var(--line); background: var(--panel); }
.figure img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 4/3; transition: transform .5s ease; }
.figure:hover img { transform: scale(1.05); }
.figure figcaption { position: absolute; left: 0; right: 0; bottom: 0; padding: 22px 16px 14px; background: linear-gradient(transparent, rgba(8,11,16,.92)); }
.figure figcaption span { font-family: 'Space Mono', monospace; font-size: 11px; color: var(--cyan); text-transform: uppercase; letter-spacing: .1em; }
.figure figcaption h4 { font-size: 1.05rem; margin-top: 3px; }

/* ---------- stat band ---------- */
.statband { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.statband .card { text-align: center; }
.statband b { font-family: 'Space Mono', monospace; font-size: 2.6rem; color: var(--cyan); display: block; line-height: 1; }
.statband small { font-size: .82rem; color: var(--ink-soft); text-transform: uppercase; letter-spacing: .1em; }

/* ---------- testimonials ---------- */
.quotes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.quote { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px 26px; }
.quote__top { color: var(--lime); font-family: 'Space Mono', monospace; font-size: .85rem; margin-bottom: 12px; }
.quote p { color: var(--ink); font-size: .98rem; }
.quote__who { margin-top: 18px; font-size: .85rem; color: var(--ink-soft); }
.quote__who b { display: block; color: var(--ink); font-family: 'Space Mono', monospace; font-size: .92rem; }

/* ---------- pricing ---------- */
.tiers { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; align-items: start; }
.tier { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 34px 28px; }
.tier--feat { border-color: var(--cyan); box-shadow: var(--glow-cy); }
.tier__name { font-family: 'Space Mono', monospace; font-size: 1.1rem; color: var(--cyan); }
.tier__price { font-family: 'Space Mono', monospace; font-weight: 700; font-size: 2.6rem; margin: 12px 0 4px; }
.tier__price small { font-size: .95rem; color: var(--ink-soft); font-weight: 400; }
.tier ul { list-style: none; margin: 22px 0 26px; display: grid; gap: 11px; }
.tier li { padding-left: 24px; position: relative; font-size: .94rem; }
.tier li::before { content: "+"; position: absolute; left: 0; color: var(--lime); font-weight: 700; }
.tier .btn { width: 100%; justify-content: center; }
.tier__badge { display: inline-block; background: rgba(34,211,238,.12); color: var(--cyan); border: 1px solid var(--cyan); border-radius: 5px; padding: 4px 12px; font-family: 'Space Mono', monospace; font-size: 11px; margin-bottom: 14px; }

/* ---------- FAQ ---------- */
.faq-item { border: 1px solid var(--line); border-radius: var(--radius); margin-bottom: 12px; background: var(--panel); overflow: hidden; }
.faq-item summary { cursor: pointer; list-style: none; padding: 22px 26px; display: flex; justify-content: space-between; align-items: center; gap: 20px; font-family: 'Space Mono', monospace; font-weight: 700; font-size: 1.02rem; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "[+]"; font-family: 'Space Mono', monospace; color: var(--cyan); flex: none; font-size: .9rem; }
.faq-item[open] summary::after { content: "[-]"; }
.faq-item p { padding: 0 26px 24px; color: var(--ink-soft); max-width: 76ch; }

/* ---------- timeline ---------- */
.timeline { display: grid; gap: 12px; }
.tl { display: grid; grid-template-columns: 110px 1fr; gap: 26px; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px 28px; }
.tl__y { font-family: 'Space Mono', monospace; font-weight: 700; font-size: 1.4rem; color: var(--cyan); }
.tl h4 { font-size: 1.1rem; margin-bottom: 6px; }
.tl p { color: var(--ink-soft); font-size: .94rem; }

/* ---------- values ---------- */
.values { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.value { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; }
.value__n { font-family: 'Space Mono', monospace; color: var(--lime); font-size: 1.1rem; }
.value h4 { font-size: 1.15rem; margin: 6px 0 8px; }
.value p { color: var(--ink-soft); font-size: .94rem; }

/* ---------- CTA ---------- */
.cta { border: 1px solid var(--cyan); border-radius: var(--radius); padding: 60px 50px; text-align: center; background: linear-gradient(180deg, var(--panel), var(--bg-2)); box-shadow: var(--glow-cy); }
.cta h2 { margin-bottom: 14px; }
.cta p { color: var(--ink-soft); max-width: 52ch; margin: 0 auto 28px; }

/* ---------- contact ---------- */
.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 50px; }
.info-row { display: flex; gap: 16px; padding: 18px 0; border-bottom: 1px solid var(--line); }
.info-row__ic { width: 42px; height: 42px; border-radius: 8px; flex: none; background: var(--panel-2); border: 1px solid var(--line-2); color: var(--cyan); display: grid; place-items: center; font-family: 'Space Mono', monospace; }
.info-row b { display: block; font-size: .78rem; text-transform: uppercase; letter-spacing: .1em; color: var(--ink-soft); }
.info-row span { font-size: 1.04rem; }
.map-ph { margin-top: 22px; height: 200px; border-radius: var(--radius); border: 1px solid var(--line-2); background: repeating-linear-gradient(0deg, var(--bg-2), var(--bg-2) 22px, var(--panel) 22px, var(--panel) 23px), repeating-linear-gradient(90deg, var(--bg-2), var(--bg-2) 22px, var(--panel) 22px, var(--panel) 23px); display: grid; place-items: center; font-family: 'Space Mono', monospace; color: var(--cyan); }

/* ---------- forms ---------- */
.form { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 36px; }
.field { margin-bottom: 20px; }
.field label { display: block; font-family: 'Space Mono', monospace; font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; margin-bottom: 8px; color: var(--ink-soft); }
.field input, .field textarea, .field select { width: 100%; padding: 13px 15px; border: 1px solid var(--line-2); border-radius: 7px; font-family: inherit; font-size: 1rem; background: var(--bg); color: var(--ink); }
.field input:focus, .field textarea:focus, .field select:focus { outline: none; border-color: var(--cyan); box-shadow: var(--glow-cy); }
.field textarea { min-height: 130px; resize: vertical; }
.form .btn { width: 100%; justify-content: center; }
.form__note { font-size: .82rem; color: var(--ink-soft); margin-top: 14px; }

/* ---------- page hero ---------- */
.page-hero { padding: 66px 0 56px; border-bottom: 1px solid var(--line); position: relative; }
.page-hero .eyebrow { margin-bottom: 16px; }
.page-hero h1 { font-size: clamp(2.3rem, 5.5vw, 3.8rem); margin-bottom: 14px; }
.page-hero p { color: var(--ink-soft); max-width: 60ch; font-size: 1.1rem; }
.crumbs { font-family: 'Space Mono', monospace; font-size: .8rem; color: var(--ink-soft); margin-bottom: 16px; }
.crumbs a:hover { color: var(--cyan); }

/* ---------- footer ---------- */
.footer { background: var(--bg-2); border-top: 1px solid var(--line); color: var(--ink-soft); padding: 70px 0 28px; }
.footer__grid { display: grid; grid-template-columns: 1.7fr 1fr 1fr 1.1fr; gap: 42px; }
.footer .brand { color: var(--ink); }
.footer__about { margin-top: 16px; font-size: .94rem; max-width: 32ch; }
.footer h5 { font-family: 'Space Mono', monospace; color: var(--ink); font-size: .82rem; text-transform: uppercase; letter-spacing: .1em; margin-bottom: 16px; }
.footer ul { list-style: none; display: grid; gap: 10px; }
.footer a:hover { color: var(--cyan); }
.footer__bottom { margin-top: 50px; padding-top: 24px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-family: 'Space Mono', monospace; font-size: .8rem; color: var(--ink-soft); }

/* ---------- cookie ---------- */
.cookie { position: fixed; left: 22px; right: 22px; bottom: 22px; z-index: 80; max-width: 780px; margin: 0 auto; background: var(--panel); border: 1px solid var(--cyan); border-radius: var(--radius); padding: 20px 24px; box-shadow: var(--glow-cy); display: flex; align-items: center; gap: 22px; justify-content: space-between; flex-wrap: wrap; }
.cookie p { font-size: .9rem; color: var(--ink-soft); flex: 1 1 320px; }
.cookie a { color: var(--cyan); text-decoration: underline; }
.cookie__btns { display: flex; gap: 10px; }
.cookie .btn { padding: 11px 20px; font-size: 12px; }

/* ---------- legal ---------- */
.legal { max-width: 800px; }
.legal h2 { font-size: 1.45rem; margin: 38px 0 12px; color: var(--ink); }
.legal h3 { font-size: 1.12rem; margin: 24px 0 8px; color: var(--ink); }
.legal p, .legal li { color: var(--ink-soft); margin-bottom: 12px; }
.legal ul { margin: 0 0 16px 22px; }
.legal table { width: 100%; border-collapse: collapse; margin: 16px 0 24px; font-size: .92rem; }
.legal th, .legal td { border: 1px solid var(--line-2); padding: 10px 13px; text-align: left; }
.legal th { background: var(--panel-2); font-family: 'Space Mono', monospace; font-size: .8rem; color: var(--cyan); }
.legal .updated { color: var(--ink-soft); font-size: .9rem; }

/* ---------- responsive ---------- */
@media (max-width: 920px) {
  .nav__links { display: none; }
  .nav__toggle { display: block; }
  .hero__grid, .feature, .grid-2, .contact-grid { grid-template-columns: 1fr; gap: 36px; }
  .feature--rev .feature__media { order: 0; }
  .grid-3, .grid-4, .gallery, .quotes, .tiers, .statband, .values { grid-template-columns: 1fr 1fr; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .section { padding: 64px 0; }
  .grid-3, .grid-4, .gallery, .quotes, .tiers, .statband, .values, .footer__grid { grid-template-columns: 1fr; }
  .tl { grid-template-columns: 70px 1fr; gap: 16px; }
  .cta { padding: 44px 24px; }
}