/* ============================================================
   CRA S.R.L. — Automation Services
   "Control Room" — image-led, bespoke technical graphics
   Brand: rosso #D32F2F · Inter + JetBrains Mono
   ============================================================ */

:root {
  --rosso: #E12B2B;
  --rosso-2: #ff4d4d;
  --rosso-dark: #b01f1f;
  --rosso-soft: #fde8e8;
  --accent-soft: #fff5f5;

  --ink: #0C0D10;          /* hero / dark bands */
  --ink-2: #15171C;
  --ink-line: #23262e;
  --ink-fg: #f4f5f7;
  --ink-muted: #9aa0ab;
  --ink-faint: #5b616d;

  --bg: #FAFAF8;
  --surface: #FFFFFF;
  --surface-2: #F3F3EF;
  --border: #E6E6E0;
  --fg: #15161A;
  --fg-muted: #585a62;
  --fg-faint: #9a9ca3;

  --shadow-md: 0 6px 20px rgba(0,0,0,0.07);
  --shadow-lg: 0 18px 50px rgba(0,0,0,0.13);
  --r-sm: 8px; --r-md: 12px; --r-lg: 18px; --r-xl: 26px;
  --maxw: 1180px;
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; }
body { margin: 0; font-family: var(--font-sans); background: var(--bg); color: var(--fg); line-height: 1.6; -webkit-font-smoothing: antialiased; }
a { color: var(--rosso); text-decoration: none; }
a:hover { text-decoration: underline; }
img, svg { display: block; max-width: 100%; }
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 30px; }
section { scroll-margin-top: 76px; }

/* blueprint grid utility */
.grid-bg { background-image:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 38px 38px; }

/* ---------- NAV ---------- */
.nav { position: sticky; top: 0; z-index: 60; background: rgba(255,255,255,.92); backdrop-filter: saturate(160%) blur(14px); -webkit-backdrop-filter: saturate(160%) blur(14px); border-bottom: 1px solid var(--border); }
.nav-inner { max-width: var(--maxw); margin: 0 auto; padding: 12px 30px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.brand { display: flex; align-items: center; gap: 10px; }
.brand img { height: 30px; }
.brand:hover { text-decoration: none; }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a { color: var(--fg-muted); font-size: 14px; font-weight: 500; letter-spacing: -0.01em; }
.nav-links a:hover { color: var(--fg); text-decoration: none; }
.nav-right { display: flex; align-items: center; gap: 14px; }
.lang-switch { display: flex; gap: 2px; font-size: 11.5px; font-weight: 600; letter-spacing: 0.06em; }
.lang-switch a { padding: 5px 9px; border-radius: 6px; color: var(--fg-faint); }
.lang-switch a.active { background: var(--surface-2); color: var(--fg); }
.lang-switch a:hover { background: var(--surface-2); color: var(--fg); text-decoration: none; }

.btn { display: inline-flex; align-items: center; gap: 8px; padding: 11px 20px; border-radius: var(--r-sm); font-weight: 600; font-size: 14.5px; transition: all .16s; border: 1px solid transparent; cursor: pointer; font-family: inherit; white-space: nowrap; }
.btn-primary { background: var(--rosso); color: #fff; }
.btn-primary:hover { background: var(--rosso-dark); text-decoration: none; transform: translateY(-1px); box-shadow: 0 8px 24px rgba(225,43,43,.32); }
.btn-ghost { background: transparent; color: var(--fg); border-color: var(--border); }
.btn-ghost:hover { background: var(--surface-2); text-decoration: none; }
.btn-ghost.on-dark { color: #fff; border-color: var(--ink-line); }
.btn-ghost.on-dark:hover { background: var(--ink-2); }
.nav-cta { padding: 8px 16px; }
.menu-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 6px; color: var(--fg); }

/* ---------- HERO ---------- */
.hero { position: relative; background: radial-gradient(900px 520px at 78% 8%, rgba(225,43,43,.16), transparent 60%), linear-gradient(180deg, var(--ink), #0a0b0e); color: var(--ink-fg); overflow: hidden; border-bottom: 1px solid var(--ink-line); }
.hero .grid-bg { position: absolute; inset: 0; opacity: .5; pointer-events: none; mask-image: radial-gradient(120% 100% at 50% 0%, #000 55%, transparent 100%); }
.hero-inner { position: relative; max-width: var(--maxw); margin: 0 auto; padding: 64px 30px 72px; display: grid; grid-template-columns: 1.05fr 1fr; gap: 48px; align-items: center; }
.hero-eyebrow { display: inline-flex; align-items: center; gap: 9px; font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.04em; color: var(--ink-muted); border: 1px solid var(--ink-line); padding: 6px 13px; border-radius: 999px; background: rgba(255,255,255,.02); margin-bottom: 26px; }
.hero-eyebrow .dot { width: 7px; height: 7px; border-radius: 50%; background: #20d36a; box-shadow: 0 0 10px #20d36a; animation: blink 1.8s infinite; }
@keyframes blink { 0%,100% { opacity: 1; } 50% { opacity: .25; } }
.hero h1 { font-size: 56px; line-height: 1.04; letter-spacing: -0.035em; font-weight: 800; margin: 0 0 22px; }
.hero h1 .accent { color: var(--rosso-2); }
.hero-sub { font-size: 18.5px; line-height: 1.6; color: var(--ink-muted); max-width: 560px; margin: 0 0 32px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 38px; }
.hero-chips { display: flex; flex-wrap: wrap; gap: 8px 18px; }
.hero-chips .lbl { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-faint); }
.hero-chips .chip { font-family: var(--font-mono); font-size: 12px; color: var(--ink-muted); }
.hero-chips .chip::before { content: "▸"; color: var(--rosso); margin-right: 6px; }

/* synoptic panel */
.synoptic { position: relative; border: 1px solid var(--ink-line); border-radius: 16px; background: linear-gradient(180deg, #111318, #0c0e12); box-shadow: 0 30px 70px rgba(0,0,0,.5), inset 0 1px 0 rgba(255,255,255,.04); padding: 12px; }
.synoptic svg { width: 100%; height: auto; }

/* ---------- SECTIONS ---------- */
.sec { padding: 76px 0; }
.sec.alt { background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.sec.dark { background: var(--ink); color: var(--ink-fg); position: relative; overflow: hidden; }
.sec-head { max-width: 760px; margin-bottom: 44px; }
.kicker { display: inline-flex; align-items: center; gap: 8px; font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--rosso); margin-bottom: 16px; }
.kicker::before { content: ""; width: 22px; height: 1px; background: var(--rosso); }
.sec h2 { font-size: 38px; line-height: 1.1; letter-spacing: -0.03em; font-weight: 800; margin: 0 0 16px; }
.sec.dark h2 { color: #fff; }
.sec-head p { font-size: 17.5px; color: var(--fg-muted); margin: 0; }
.sec.dark .sec-head p { color: var(--ink-muted); }

/* ---------- SERVICES ---------- */
.grid { display: grid; gap: 18px; }
.grid-3 { grid-template-columns: repeat(auto-fill, minmax(330px, 1fr)); }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(380px, 1fr)); }
.svc { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 28px 26px; transition: all .2s cubic-bezier(.16,1,.3,1); position: relative; overflow: hidden; }
.sec.alt .svc { background: var(--bg); }
.svc::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--rosso); transform: scaleX(0); transform-origin: left; transition: transform .25s; }
.svc:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); border-color: var(--border); }
.svc:hover::before { transform: scaleX(1); }
.svc-icon { width: 44px; height: 44px; border-radius: 11px; background: var(--accent-soft); color: var(--rosso); display: grid; place-items: center; margin-bottom: 18px; }
.svc-icon svg { width: 22px; height: 22px; }
.svc h3 { margin: 0 0 12px; font-size: 19px; font-weight: 700; letter-spacing: -0.01em; }
.svc ul { margin: 0; padding: 0; list-style: none; }
.svc ul li { font-size: 14px; color: var(--fg-muted); padding: 4px 0 4px 19px; position: relative; }
.svc ul li::before { content: ""; position: absolute; left: 0; top: 11px; width: 6px; height: 6px; border-radius: 1px; background: var(--rosso); }
.svc .note { margin-top: 12px; font-size: 12.5px; color: var(--fg-faint); }

/* ---------- SECTORS ---------- */
.sector { border: 1px solid var(--border); border-radius: var(--r-lg); padding: 30px 28px; background: var(--surface); transition: all .2s; }
.sec.alt .sector { background: var(--bg); }
.sector:hover { border-color: var(--rosso); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.sector .ico { width: 46px; height: 46px; border-radius: 11px; background: var(--accent-soft); color: var(--rosso); display: grid; place-items: center; margin-bottom: 16px; }
.sector .ico svg { width: 24px; height: 24px; }
.sector h3 { margin: 0 0 10px; font-size: 20px; font-weight: 700; }
.sector p { font-size: 14.5px; color: var(--fg-muted); margin: 0; }

/* ---------- SOFTWARE (compact, secondary) ---------- */
.sec.dark .grid-bg { position: absolute; inset: 0; opacity: .5; }
.soft-card { background: var(--bg); border: 1px solid var(--border); border-left: 4px solid var(--rosso); border-radius: var(--r-lg); padding: 34px 36px; display: grid; grid-template-columns: 1fr auto; gap: 36px; align-items: center; box-shadow: var(--shadow-md); }
.soft-card .kicker { margin-bottom: 12px; }
.soft-card h3 { font-size: 23px; font-weight: 800; letter-spacing: -0.02em; margin: 0 0 10px; }
.soft-card p { font-size: 15px; color: var(--fg-muted); margin: 0; max-width: 540px; }
.soft-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.soft-tag { font-family: var(--font-mono); font-size: 12px; color: var(--fg); border: 1px solid var(--border); background: var(--surface-2); padding: 6px 12px; border-radius: 999px; display: inline-flex; align-items: center; gap: 7px; }
.soft-tag .s { width: 6px; height: 6px; border-radius: 50%; background: var(--success); }
.soft-tag.soon { color: var(--fg-faint); }
.soft-tag.soon .s { background: var(--fg-faint); }
.soft-cta { display: flex; flex-direction: column; gap: 11px; align-items: flex-start; white-space: nowrap; }

/* ---------- ABOUT ---------- */
.about-grid { display: grid; grid-template-columns: 1.25fr 1fr; gap: 48px; align-items: start; }
.about-grid p.lead { font-size: 18px; color: var(--fg); margin: 0 0 16px; }
.about-grid p.sub { font-size: 15px; color: var(--fg-muted); margin: 0; }
.stats { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.stat { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-md); padding: 22px 20px; }
.sec.alt .stat { background: var(--bg); }
.stat .num { font-size: 30px; font-weight: 800; letter-spacing: -0.02em; color: var(--rosso); line-height: 1; font-family: var(--font-mono); }
.stat .lbl { font-size: 12.5px; color: var(--fg-muted); margin-top: 9px; line-height: 1.45; }
.about-foot { margin-top: 30px; padding-top: 22px; border-top: 1px solid var(--border); font-size: 13px; color: var(--fg-faint); }

/* ---------- CONTACT (dark) ---------- */
.contact-inner { position: relative; display: grid; grid-template-columns: 1.1fr 1fr; gap: 50px; align-items: center; }
.contact-inner h2 { font-size: 36px; }
.contact-inner > div > p { color: var(--ink-muted); font-size: 17px; margin: 0 0 26px; max-width: 460px; }
.contact-info { display: flex; flex-direction: column; gap: 2px; border: 1px solid var(--ink-line); border-radius: var(--r-lg); overflow: hidden; }
.contact-row { display: flex; gap: 14px; padding: 15px 20px; border-bottom: 1px solid var(--ink-line); }
.contact-row:last-child { border-bottom: 0; }
.contact-row .ck { color: var(--ink-faint); min-width: 92px; font-family: var(--font-mono); font-size: 11.5px; text-transform: uppercase; letter-spacing: 0.05em; padding-top: 2px; }
.contact-row .cv { color: #fff; font-size: 14.5px; }
.contact-row .cv a { color: #fff; }
.contact-row .cv a:hover { color: var(--rosso-2); }

/* ---------- FOOTER ---------- */
footer { background: #0a0b0e; color: var(--ink-muted); padding: 46px 0 40px; }
.foot-inner { display: flex; justify-content: space-between; gap: 28px; flex-wrap: wrap; align-items: flex-start; }
.foot-brand img { height: 28px; margin-bottom: 14px; }
.foot-brand p { font-size: 13px; color: var(--ink-faint); margin: 0; max-width: 340px; line-height: 1.7; }
.foot-legal { font-size: 12px; color: var(--ink-faint); font-family: var(--font-mono); line-height: 1.95; text-align: right; }
.foot-legal a { color: var(--ink-muted); }

/* ---------- RESPONSIVE ---------- */
@media (max-width: 980px) {
  .hero-inner { grid-template-columns: 1fr; gap: 38px; padding-top: 48px; }
  .synoptic { order: 2; max-width: 560px; }
  .soft-card { grid-template-columns: 1fr; gap: 24px; }
  .about-grid { grid-template-columns: 1fr; gap: 30px; }
  .contact-inner { grid-template-columns: 1fr; gap: 32px; }
}
@media (max-width: 880px) {
  .nav-links { display: none; }
  .menu-toggle { display: inline-flex; }
  .nav.open .nav-links { display: flex; flex-direction: column; align-items: flex-start; gap: 2px; position: absolute; top: 100%; left: 0; right: 0; background: var(--surface); border-bottom: 1px solid var(--border); padding: 12px 30px 18px; }
  .nav.open .nav-links a { padding: 9px 0; width: 100%; }
  .hero h1 { font-size: 40px; }
  .hero-sub { font-size: 16.5px; }
  .sec h2 { font-size: 29px; }
  .sec { padding: 58px 0; }
  .foot-inner { flex-direction: column; }
  .foot-legal { text-align: left; }
}
@media (max-width: 480px) {
  .wrap, .hero-inner, .nav-inner { padding-left: 20px; padding-right: 20px; }
  .hero h1 { font-size: 33px; }
  .stats { grid-template-columns: 1fr 1fr; }
  .stat .num { font-size: 24px; }
}