:root {
  --ink: #0F2340;
  --ink-soft: #1C3459;
  --paper: #F4F6F8;
  --white: #FFFFFF;
  --steel: #5A6B80;
  --line: #D5DCE4;
  --teal: #0B7A75;
  --teal-light: #7FD1CB;
  --amber: #E59A2F;

  --font: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --wrap: 1180px;
  --gutter: clamp(16px, 4vw, 40px);
  --radius: 10px;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 80px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
h1, h2, h3 { margin: 0; line-height: 1.12; }
p { margin: 0; }

a { color: inherit; }
:focus-visible { outline: 3px solid var(--amber); outline-offset: 3px; border-radius: 4px; }

.sr-only {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap;
}

.wrap {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 10;
  background: rgba(255, 255, 255, .94);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 68px; gap: 24px;
}
.brand {
  display: flex; align-items: center; gap: 10px;
  text-decoration: none;
  font-weight: 700; font-size: 19px; font-stretch: 110%;
  letter-spacing: -0.01em;
}
.brand b { color: var(--teal); font-weight: 700; }
.site-header ul {
  display: flex; align-items: center; gap: 28px;
  list-style: none; margin: 0; padding: 0;
}
.site-header nav a {
  text-decoration: none; font-size: 15px; font-weight: 500; color: var(--steel);
}
.site-header nav a:hover { color: var(--ink); }
.site-header nav .nav-cta {
  color: var(--white); background: var(--ink);
  padding: 9px 16px; border-radius: 6px;
}
.site-header nav .nav-cta:hover { color: var(--white); background: var(--ink-soft); }

@media (max-width: 860px) {
  .site-header nav li:not(:last-child) { display: none; }
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 14px 22px;
  border-radius: 6px;
  font-weight: 600; font-size: 16px;
  text-decoration: none;
  border: 1.5px solid transparent;
  transition: background-color .15s, border-color .15s;
}
.btn-primary { background: var(--teal); color: var(--white); }
.btn-primary:hover { background: #096661; }
.btn-ghost { border-color: var(--line); color: var(--ink); }
.btn-ghost:hover { border-color: var(--ink); }
.btn-light { background: var(--white); color: var(--ink); }
.btn-light:hover { background: var(--paper); }

/* Hero */
.hero {
  padding: clamp(48px, 8vw, 96px) 0 clamp(56px, 8vw, 104px);
  background: var(--white);
  border-bottom: 1px solid var(--line);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
}
.kicker {
  font-size: 15px; font-weight: 600; color: var(--teal);
  margin-bottom: 20px;
}
.hero h1 {
  font-size: clamp(38px, 5.6vw, 68px);
  font-weight: 800;
  font-stretch: 118%;
  letter-spacing: -0.03em;
  line-height: 1.02;
  max-width: 13ch;
}
.lead {
  margin-top: 28px;
  font-size: clamp(17px, 1.6vw, 19px);
  color: var(--steel);
  max-width: 52ch;
}
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; }
.hero-figure {
  margin: 0;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 12px;
  box-shadow: 0 30px 60px -30px rgba(15, 35, 64, .35);
}
.hero-figure img { border-radius: 8px; }

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
}

/* Sections */
.section { padding: clamp(64px, 9vw, 112px) 0; }
.section-tint { background: var(--paper); }
.section-head { max-width: 680px; margin-bottom: clamp(36px, 5vw, 56px); }
.section-head h2 {
  font-size: clamp(28px, 3.4vw, 42px);
  font-weight: 750;
  font-stretch: 112%;
  letter-spacing: -0.02em;
}
.section-head p { margin-top: 16px; color: var(--steel); font-size: 18px; max-width: 62ch; }

/* Confronto */
.compare { border-top: 2px solid var(--ink); }
.compare-row {
  display: grid;
  grid-template-columns: 1fr 1.3fr 1.5fr;
  gap: 24px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}
.compare-header { padding: 14px 0; font-size: 14px; font-weight: 600; color: var(--steel); }
.compare-header span:last-child { color: var(--teal); }
.compare-row [role="rowheader"] { font-weight: 700; }
.compare-row [role="cell"]:nth-child(2) { color: var(--steel); }
.compare-row [role="cell"]:last-child {
  padding-left: 18px;
  border-left: 3px solid var(--teal);
}

@media (max-width: 760px) {
  .compare-header { display: none; }
  .compare-row { grid-template-columns: 1fr; gap: 8px; }
  .compare-row [role="cell"]:nth-child(2)::before { content: "Centralizzata: "; font-weight: 600; }
  .compare-row [role="cell"]:last-child::before { content: "EdgeGuard AI: "; font-weight: 600; color: var(--teal); }
}

/* Tecnologie */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.tech { background: var(--white); padding: 36px 32px 40px; }
.tech-icon { width: 44px; height: 44px; color: var(--teal); margin-bottom: 24px; }
.tech h3 { font-size: 21px; font-weight: 700; font-stretch: 108%; margin-bottom: 12px; }
.tech p { color: var(--steel); font-size: 16px; }
.stack { margin-top: 32px; max-width: 72ch; color: var(--steel); }
.stack strong { color: var(--ink); font-weight: 600; }

@media (max-width: 900px) { .tech-grid { grid-template-columns: 1fr; } }

/* Metodo */
.steps {
  list-style: none; margin: 0; padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px 40px;
  counter-reset: step;
}
.steps li {
  counter-increment: step;
  position: relative;
  padding-top: 52px;
  border-top: 1px solid var(--line);
}
.steps li::before {
  content: counter(step);
  position: absolute; top: -1px; left: 0;
  padding-top: 14px;
  border-top: 3px solid var(--teal);
  width: 32px;
  font-size: 15px; font-weight: 700; color: var(--teal);
}
.steps h3 { font-size: 20px; font-weight: 700; margin-bottom: 8px; }
.steps p { color: var(--steel); font-size: 16px; max-width: 34ch; }

@media (max-width: 900px) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .steps { grid-template-columns: 1fr; gap: 36px; } }

/* Settori */
.settori-grid {
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: clamp(32px, 6vw, 88px);
  align-items: start;
}
.settori-grid .section-head { margin-bottom: 0; position: sticky; top: 110px; }
.sectors { list-style: none; margin: 0; padding: 0; }
.sectors li { padding: 26px 0; border-bottom: 1px solid var(--line); }
.sectors li:first-child { border-top: 2px solid var(--ink); }
.sectors h3 { font-size: 22px; font-weight: 700; font-stretch: 108%; }
.sectors p { margin-top: 6px; color: var(--steel); }

@media (max-width: 900px) {
  .settori-grid { grid-template-columns: 1fr; }
  .settori-grid .section-head { position: static; }
}

/* Conformità */
.norms {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin: 0;
}
.norms div {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.norms dt { font-weight: 700; font-size: 19px; font-stretch: 110%; }
.norms dd { margin: 6px 0 0; color: var(--steel); font-size: 15px; }

@media (max-width: 900px) { .norms { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .norms { grid-template-columns: 1fr; } }

/* Contatti */
.contact { background: var(--ink); color: var(--white); padding: clamp(64px, 9vw, 104px) 0; }
.contact-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 48px;
  align-items: end;
}
.contact h2 {
  font-size: clamp(28px, 3.6vw, 44px);
  font-weight: 750; font-stretch: 112%;
  letter-spacing: -0.02em;
  max-width: 20ch;
}
.contact p { margin-top: 18px; color: #B9C6D6; max-width: 54ch; }
.contact-card address {
  margin-top: 24px; font-style: normal; color: #B9C6D6; font-size: 15px; line-height: 1.7;
}
.contact .btn-light { overflow-wrap: anywhere; }

@media (max-width: 860px) { .contact-grid { grid-template-columns: 1fr; } }

/* Footer */
.site-footer {
  background: #0A1A31;
  color: #8E9DB1;
  font-size: 14px;
  padding: 36px 0;
}
.footer-inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 32px;
  align-items: start;
}
.footer-brand { display: flex; align-items: center; gap: 10px; color: var(--white); font-weight: 700; letter-spacing: .02em; }
.footer-brand img { background: var(--white); border-radius: 6px; padding: 2px; }
.legal { line-height: 1.7; }
.copy { text-align: right; }

@media (max-width: 760px) {
  .footer-inner { grid-template-columns: 1fr; gap: 16px; }
  .copy { text-align: left; }
}