/* ═══════════════════════════════════════════
   SUBESYSTEM – Shared Stylesheet
   Colors: Dark Navy #0a1628 | Cyan #00c2ff | Blue #0057b8
═══════════════════════════════════════════ */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Space+Grotesk:wght@400;500;600;700&display=swap');

:root {
  --navy:       #0a1628;
  --navy-mid:   #0d1f3c;
  --navy-light: #122748;
  --blue:       #0057b8;
  --cyan:       #00c2ff;
  --cyan-dark:  #0099cc;
  --white:      #f0f4fa;
  --gray:       #8a9ab5;
  --light:      #d0daea;
  --border:     rgba(0,194,255,.12);
  --card-bg:    rgba(13,31,60,.7);
  --glass:      rgba(255,255,255,.04);
}

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

body {
  background: var(--navy);
  color: var(--white);
  font-family: 'Inter', sans-serif;
  font-weight: 400;
  overflow-x: hidden;
  line-height: 1.6;
}

/* TYPOGRAPHY */
h1,h2,h3,h4 { font-family:'Space Grotesk', sans-serif; font-weight:700; line-height:1.15; }
h1 { font-size: clamp(36px,6vw,80px); }
h2 { font-size: clamp(28px,4vw,52px); }
h3 { font-size: clamp(18px,2.5vw,26px); }

.label {
  font-size:11px; letter-spacing:.25em; text-transform:uppercase;
  color: var(--cyan); font-weight:600; margin-bottom:14px; display:block;
}

/* NAV */
nav {
  position:fixed; top:0; left:0; right:0; z-index:200;
  height:70px; padding:0 5vw;
  display:flex; align-items:center; justify-content:space-between;
  background: rgba(10,22,40,.96);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: background .3s;
}

.nav-logo {
  display:flex; align-items:center; gap:10px;
  text-decoration:none;
}

.nav-logo-mark {
  width:38px; height:38px;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  border-radius:8px;
  display:flex; align-items:center; justify-content:center;
  font-family:'Space Grotesk',sans-serif; font-weight:700;
  font-size:16px; color:white; letter-spacing:-.02em;
  position:relative; overflow:hidden;
}
.nav-logo-mark::after {
  content:'';
  position:absolute; top:-50%; left:-50%;
  width:200%; height:200%;
  background: linear-gradient(45deg, transparent 40%, rgba(255,255,255,.15) 50%, transparent 60%);
  animation: shine 4s infinite;
}
@keyframes shine { 0%,100%{transform:translateX(-100%)} 50%{transform:translateX(100%)} }

.nav-logo-text {
  font-family:'Space Grotesk',sans-serif; font-weight:700;
  font-size:17px; letter-spacing:-.02em; color:var(--white);
}
.nav-logo-text span { color:var(--cyan); }

.nav-links { display:flex; gap:8px; list-style:none; align-items:center; }
.nav-links a {
  color:var(--light); text-decoration:none;
  font-size:14px; font-weight:500;
  padding:8px 14px; border-radius:6px;
  transition:color .2s, background .2s;
}
.nav-links a:hover, .nav-links a.active { color:var(--cyan); background:rgba(0,194,255,.08); }

.nav-actions { display:flex; gap:10px; align-items:center; }

.btn { display:inline-flex; align-items:center; gap:8px; text-decoration:none; border:none; cursor:pointer; font-family:'Inter',sans-serif; font-weight:600; border-radius:6px; transition:all .2s; }
.btn-sm { font-size:13px; padding:8px 18px; }
.btn-md { font-size:14px; padding:11px 24px; }
.btn-lg { font-size:15px; padding:14px 32px; }

.btn-primary { background:linear-gradient(135deg,var(--blue),var(--cyan-dark)); color:white; }
.btn-primary:hover { background:linear-gradient(135deg,#0068d8,var(--cyan)); transform:translateY(-1px); box-shadow:0 6px 24px rgba(0,194,255,.3); }

.btn-outline { background:transparent; color:var(--cyan); border:1px solid rgba(0,194,255,.4); }
.btn-outline:hover { background:rgba(0,194,255,.08); border-color:var(--cyan); transform:translateY(-1px); }

.btn-ghost { background:rgba(255,255,255,.06); color:var(--light); border:1px solid rgba(255,255,255,.1); }
.btn-ghost:hover { background:rgba(255,255,255,.1); color:var(--white); }

.btn-cyan { background:var(--cyan); color:var(--navy); }
.btn-cyan:hover { background:#33cfff; transform:translateY(-2px); box-shadow:0 8px 28px rgba(0,194,255,.4); }

/* NAV area-clienti highlight */
.nav-client {
  background: rgba(0,194,255,.12);
  color: var(--cyan) !important;
  border: 1px solid rgba(0,194,255,.3);
  font-size:13px !important;
  padding:7px 16px !important;
  border-radius:6px !important;
  font-weight:600 !important;
  transition:all .2s !important;
}
.nav-client:hover { background:var(--cyan) !important; color:var(--navy) !important; }

/* HAMBURGER */
.hamburger { display:none; flex-direction:column; gap:5px; cursor:pointer; }
.hamburger span { width:24px; height:2px; background:var(--white); display:block; transition:.3s; }

/* HERO */
.hero {
  min-height:100vh; padding-top:70px;
  display:flex; flex-direction:column; justify-content:center;
  padding-left:5vw; padding-right:5vw;
  position:relative; overflow:hidden;
}

.hero-grid-bg {
  position:absolute; inset:0;
  background-image:
    linear-gradient(rgba(0,194,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,194,255,.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, black 30%, transparent 100%);
}

.hero-glow {
  position:absolute;
  width:800px; height:800px;
  border-radius:50%;
  background: radial-gradient(circle, rgba(0,87,184,.18) 0%, transparent 70%);
  top:-200px; right:-200px;
  pointer-events:none;
}
.hero-glow-2 {
  position:absolute;
  width:500px; height:500px;
  border-radius:50%;
  background: radial-gradient(circle, rgba(0,194,255,.1) 0%, transparent 70%);
  bottom:-100px; left:10%;
  pointer-events:none;
}

.hero-inner { position:relative; z-index:1; max-width:780px; }

.hero-badge {
  display:inline-flex; align-items:center; gap:8px;
  background: rgba(0,194,255,.1); border:1px solid rgba(0,194,255,.25);
  padding:6px 14px; border-radius:40px; margin-bottom:28px;
  font-size:12px; font-weight:600; color:var(--cyan);
  letter-spacing:.06em; text-transform:uppercase;
}
.hero-badge::before { content:'●'; font-size:8px; animation:pulse 2s infinite; }
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:.3} }

.hero h1 { margin-bottom:20px; }
.hero h1 em { font-style:normal; color:var(--cyan); }
.hero-desc { font-size:18px; color:var(--gray); font-weight:400; max-width:560px; margin-bottom:36px; line-height:1.7; }

.hero-ctas { display:flex; gap:12px; flex-wrap:wrap; margin-bottom:64px; }

.hero-stats {
  display:flex; gap:0;
  border-top:1px solid var(--border);
  padding-top:36px;
  max-width:520px;
}
.h-stat {
  flex:1; padding-right:28px;
  border-right:1px solid var(--border);
}
.h-stat:last-child { border-right:none; padding-right:0; padding-left:28px; }
.h-stat:first-child { padding-left:0; }
.h-stat .num {
  font-family:'Space Grotesk',sans-serif; font-weight:700;
  font-size:32px; color:var(--cyan); line-height:1;
}
.h-stat .lbl { font-size:12px; color:var(--gray); margin-top:4px; }

/* SECTIONS */
section { padding:100px 5vw; }
.section-center { text-align:center; }
.section-center p { margin:0 auto; }

.section-header { margin-bottom:56px; }
.section-header p { max-width:520px; color:var(--gray); font-size:16px; margin-top:16px; }
.section-header.center { text-align:center; }
.section-header.center p { margin:16px auto 0; }

/* CARDS */
.cards-grid-3 { display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
.cards-grid-4 { display:grid; grid-template-columns:repeat(4,1fr); gap:20px; }
.cards-grid-2 { display:grid; grid-template-columns:repeat(2,1fr); gap:28px; }

.card {
  background: var(--card-bg);
  border:1px solid var(--border);
  border-radius:12px;
  padding:32px;
  transition:border-color .3s, transform .3s, box-shadow .3s;
  backdrop-filter:blur(8px);
  position:relative;
  overflow:hidden;
}
.card::before {
  content:'';
  position:absolute; top:0; left:0; right:0; height:1px;
  background:linear-gradient(90deg,transparent,var(--cyan),transparent);
  opacity:0; transition:opacity .3s;
}
.card:hover { border-color:rgba(0,194,255,.35); transform:translateY(-4px); box-shadow:0 16px 40px rgba(0,0,0,.3); }
.card:hover::before { opacity:1; }

.card-icon {
  width:52px; height:52px; border-radius:10px;
  background:rgba(0,194,255,.1); border:1px solid rgba(0,194,255,.2);
  display:flex; align-items:center; justify-content:center;
  font-size:24px; margin-bottom:20px;
}
.card h3 { margin-bottom:10px; }
.card p { font-size:14px; color:var(--gray); line-height:1.7; }

/* DARK SECTION */
.section-dark { background:var(--navy-mid); }
.section-darker { background:#060f1e; }

/* PRICING CARDS */
.pricing-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:24px; margin-top:48px; }

.plan-card {
  background: var(--card-bg);
  border:1px solid var(--border);
  border-radius:16px; padding:36px;
  backdrop-filter:blur(8px);
  position:relative; overflow:hidden;
  transition:transform .3s, border-color .3s;
}
.plan-card.featured {
  border-color:rgba(0,194,255,.5);
  background:rgba(0,87,184,.15);
}
.plan-card.featured::after {
  content:'PIÙ POPOLARE';
  position:absolute; top:26px; right:-32px;
  width:140px; text-align:center;
  background:var(--cyan); color:var(--navy);
  font-size:10px; font-weight:700; letter-spacing:.08em;
  padding:5px 0; transform:rotate(45deg);
  white-space:nowrap;
}
.plan-card:hover { transform:translateY(-6px); }

.plan-name {
  font-family:'Space Grotesk',sans-serif; font-weight:700;
  font-size:18px; margin-bottom:6px;
}
.plan-desc { font-size:13px; color:var(--gray); margin-bottom:24px; }
.plan-price {
  margin-bottom:24px;
}
.plan-price .amount {
  font-family:'Space Grotesk',sans-serif; font-weight:700;
  font-size:40px; color:var(--cyan);
}
.plan-price .period { font-size:13px; color:var(--gray); }
.plan-price .cents { font-size:22px; font-weight:600; }
.plan-features { list-style:none; margin-bottom:28px; }
.plan-features li {
  font-size:14px; padding:9px 0;
  border-bottom:1px solid var(--border);
  display:flex; align-items:center; gap:10px; color:var(--light);
}
.plan-features li:last-child { border-bottom:none; }
.plan-features li::before { content:'✓'; color:var(--cyan); font-weight:700; font-size:13px; }
.plan-features li.no { color:var(--gray); }
.plan-features li.no::before { content:'–'; color:var(--gray); }

/* FEATURE SPLIT */
.split-grid {
  display:grid; grid-template-columns:1fr 1fr;
  gap:80px; align-items:center;
}
.split-grid.reverse > *:first-child { order:2; }
.split-grid.reverse > *:last-child { order:1; }

.split-content { }
.split-content h2 { margin-bottom:20px; }
.split-content p { color:var(--gray); font-size:15px; margin-bottom:28px; line-height:1.8; }
.split-features { list-style:none; display:flex; flex-direction:column; gap:12px; margin-bottom:32px; }
.split-features li {
  display:flex; align-items:flex-start; gap:12px;
  font-size:14px; color:var(--light);
}
.split-features li .icon {
  width:22px; height:22px; min-width:22px;
  background:rgba(0,194,255,.1); border-radius:4px;
  display:flex; align-items:center; justify-content:center;
  font-size:12px; color:var(--cyan); margin-top:1px;
}

.split-visual {
  background: var(--card-bg);
  border:1px solid var(--border);
  border-radius:16px; padding:40px;
  position:relative; overflow:hidden;
  backdrop-filter:blur(8px);
}
.split-visual::before {
  content:'';
  position:absolute; top:-40%; right:-40%;
  width:80%; height:80%; border-radius:50%;
  background:radial-gradient(circle, rgba(0,194,255,.08) 0%, transparent 70%);
  pointer-events:none;
}

/* DASHBOARD SCREENSHOTS */
.split-visual--dashboards {
  padding:24px; display:flex; flex-direction:column; gap:20px;
}
.dash-card {
  display:flex; flex-direction:column; gap:10px;
}
.dash-card-label {
  font-size:12px; color:var(--muted); display:flex; align-items:center; gap:8px;
  font-family:'Space Grotesk',sans-serif;
}
.dash-tool-badge {
  display:inline-block; padding:2px 8px; border-radius:4px;
  font-size:11px; font-weight:700; letter-spacing:.04em;
}
.dash-tool-badge--checkmk {
  background:#1a6fff22; color:#1a6fff; border:1px solid #1a6fff55;
}
.dash-tool-badge--grafana {
  background:#f4633422; color:#f46334; border:1px solid #f4633455;
}
.dash-img {
  width:100%; border-radius:10px; border:1px solid var(--border);
  display:block; object-fit:cover; max-height:190px;
  box-shadow:0 4px 20px rgba(0,0,0,.35);
}

/* TECH STACK GRID */
.split-visual--techstack {
  padding:32px;
}
.techstack-grid {
  display:grid; grid-template-columns:repeat(5, 1fr); gap:16px;
}
.techstack-item {
  display:flex; flex-direction:column; align-items:center; gap:8px;
  background:rgba(255,255,255,.04); border:1px solid var(--border);
  border-radius:12px; padding:16px 8px;
  transition:background .2s, border-color .2s;
}
.techstack-item:hover {
  background:rgba(0,194,255,.07); border-color:rgba(0,194,255,.3);
}
.techstack-logo {
  width:36px; height:36px; object-fit:contain;
}
.techstack-item span {
  font-size:11px; color:var(--muted); font-family:'Space Grotesk',sans-serif;
  text-align:center; letter-spacing:.02em;
}

/* STATUS INDICATOR */
.status-bar {
  background:rgba(0,194,255,.06); border:1px solid rgba(0,194,255,.15);
  border-radius:8px; padding:12px 16px;
  display:flex; align-items:center; justify-content:space-between;
  margin-bottom:12px; font-size:13px;
}
.status-dot { width:8px; height:8px; border-radius:50%; background:#00e676; margin-right:10px; display:inline-block; animation:pulse 2s infinite; }
.status-bar:last-child { margin-bottom:0; }

/* TECH PILLS */
.tech-pills { display:flex; flex-wrap:wrap; gap:8px; margin-top:20px; }
.pill {
  padding:5px 14px; border-radius:20px;
  background:rgba(0,194,255,.08); border:1px solid rgba(0,194,255,.18);
  font-size:12px; color:var(--cyan); font-weight:500;
}

/* TESTIMONIAL */
.testimonial-card {
  background:var(--card-bg); border:1px solid var(--border);
  border-radius:12px; padding:32px;
  backdrop-filter:blur(8px);
}
.testimonial-card .quote { font-size:15px; color:var(--light); line-height:1.8; margin-bottom:20px; font-style:italic; }
.testimonial-card .author { font-weight:600; font-size:14px; }
.testimonial-card .role { font-size:12px; color:var(--gray); }
.stars { color:var(--cyan); letter-spacing:2px; font-size:14px; margin-bottom:12px; }

/* CTA BANNER */
.cta-banner {
  background:linear-gradient(135deg, var(--navy-light), var(--navy-mid));
  border:1px solid var(--border); border-radius:20px;
  padding:60px 5vw; text-align:center; position:relative; overflow:hidden;
  margin:0 5vw;
}
.cta-banner::before {
  content:'';
  position:absolute; top:-50%; left:50%; transform:translateX(-50%);
  width:600px; height:600px; border-radius:50%;
  background:radial-gradient(circle, rgba(0,194,255,.07) 0%, transparent 70%);
  pointer-events:none;
}
.cta-banner h2 { margin-bottom:16px; position:relative; z-index:1; }
.cta-banner h2 em { font-style:normal; color:var(--cyan); }
.cta-banner p { color:var(--gray); font-size:16px; max-width:480px; margin:0 auto 32px; position:relative; z-index:1; }
.cta-banner .cta-btns { display:flex; gap:12px; justify-content:center; flex-wrap:wrap; position:relative; z-index:1; }

/* FOOTER */
footer {
  background:#060f1e; border-top:1px solid var(--border);
  padding:60px 5vw 32px;
}
.footer-grid {
  display:grid; grid-template-columns:2fr 1fr 1fr 1fr;
  gap:48px; margin-bottom:48px;
}
.footer-brand p { font-size:14px; color:var(--gray); margin:16px 0 20px; max-width:280px; line-height:1.7; }
.footer-col h4 {
  font-size:13px; letter-spacing:.1em; text-transform:uppercase;
  color:var(--light); margin-bottom:16px; font-weight:600;
}
.footer-col ul { list-style:none; display:flex; flex-direction:column; gap:10px; }
.footer-col ul a { font-size:14px; color:var(--gray); text-decoration:none; transition:color .2s; }
.footer-col ul a:hover { color:var(--cyan); }
.footer-iva {
  border-top:1px solid var(--border); padding-top:16px; margin-bottom:20px;
  font-size:12px; color:rgba(138,154,181,.7); font-style:italic;
  display:flex; align-items:center; gap:8px;
}
.footer-iva::before { content:'ℹ️'; font-style:normal; font-size:11px; }
.footer-bottom {
  border-top:1px solid var(--border); padding-top:24px;
  display:flex; align-items:center; justify-content:space-between;
  font-size:13px; color:var(--gray); flex-wrap:wrap; gap:12px;
}
.footer-bottom a { color:var(--gray); text-decoration:none; }
.footer-bottom a:hover { color:var(--cyan); }
.footer-partners { display:grid; grid-template-columns:1fr 1fr; gap:8px; }
.partner-logo {
  height:40px; object-fit:contain;
  background:#fff; border-radius:4px; padding:3px 6px;
  opacity:.8; transition:opacity .2s;
}
.partner-logo:hover { opacity:1; }
.footer-payments {
  display:flex; align-items:center; gap:12px; flex-wrap:wrap;
}
.footer-payments__label {
  font-size:11px; color:var(--gray); white-space:nowrap;
  text-transform:uppercase; letter-spacing:.08em; font-weight:500;
}
.footer-payments__logos { display:flex; align-items:center; gap:10px; flex-wrap:wrap; }
.pay-logo {
  height:32px; width:72px; object-fit:contain;
  background:#ffffff;
  border-radius:6px;
  padding:2px 4px;
  opacity:.85; transition:opacity .2s;
  box-shadow:0 1px 4px rgba(0,0,0,.25);
}
.pay-logo:hover { opacity:1; }

/* PAGE HERO (inner pages) */
.page-hero {
  padding:140px 5vw 80px;
  position:relative; overflow:hidden;
  background:linear-gradient(180deg, var(--navy-light) 0%, var(--navy) 100%);
  text-align:center;
}
.page-hero::before {
  content:'';
  position:absolute; inset:0;
  background-image:
    linear-gradient(rgba(0,194,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,194,255,.04) 1px, transparent 1px);
  background-size:48px 48px;
}
.page-hero > * { position:relative; z-index:1; }
.page-hero p { max-width:560px; margin:16px auto 0; color:var(--gray); font-size:17px; }

/* DIVIDER */
.divider {
  height:1px;
  background:linear-gradient(90deg, transparent, var(--border) 30%, var(--border) 70%, transparent);
  margin:0 5vw;
}

/* SCROLL REVEAL */
.reveal { opacity:0; transform:translateY(30px); transition:opacity .6s, transform .6s; }
.reveal.visible { opacity:1; transform:translateY(0); }

/* MOBILE */
@media(max-width:960px) {
  .nav-links { display:none; }
  .hamburger { display:flex; }
  .cards-grid-3, .cards-grid-4 { grid-template-columns:1fr; }
  .cards-grid-2 { grid-template-columns:1fr; }
  .pricing-grid { grid-template-columns:1fr; }
  .split-grid { grid-template-columns:1fr; gap:40px; }
  .split-grid.reverse > *:first-child { order:0; }
  .split-grid.reverse > *:last-child { order:0; }
  .footer-grid { grid-template-columns:1fr 1fr; }
  .hero-stats { flex-direction:column; gap:20px; }
  .h-stat { border-right:none; border-bottom:1px solid var(--border); padding:0 0 20px; }
  .h-stat:last-child { border-bottom:none; padding-left:0; }
  .h-stat:first-child { padding-left:0; }
  .cta-banner { margin:0; }
}

@media(max-width:600px) {
  .footer-grid { grid-template-columns:1fr; }
  .hero-ctas { flex-direction:column; }
  .cards-grid-3 { grid-template-columns:1fr; }
}