/* Aiello Andrea – foglio di stile unico
   Palette: blu scuro / bianco / grigio chiaro */

:root {
  --blu: #0f2744;
  --blu-scuro: #0a1c31;
  --blu-chiaro: #1c4a7e;
  --grigio-bg: #f4f6f9;
  --grigio-bordo: #dde3ea;
  --testo: #1f2933;
  --testo-soft: #52616f;
  --bianco: #ffffff;
  --whatsapp: #1f7a44;
  --max: 1080px;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(15, 39, 68, .06), 0 8px 24px rgba(15, 39, 68, .07);
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  color: var(--testo);
  background: var(--bianco);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; }

a { color: var(--blu-chiaro); }

a:hover { color: var(--blu); }

:focus-visible {
  outline: 3px solid var(--blu-chiaro);
  outline-offset: 2px;
  border-radius: 4px;
}

.container {
  width: 100%;
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: 20px;
}

.container.narrow { max-width: 780px; }

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  background: var(--blu);
  color: var(--bianco);
  padding: 10px 16px;
  border-radius: 0 0 var(--radius) 0;
}

.skip-link:focus {
  left: 0;
  color: var(--bianco);
}

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--blu);
  color: var(--bianco);
  border-bottom: 1px solid rgba(255, 255, 255, .1);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 66px;
  flex-wrap: wrap;
}

.brand {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--bianco);
  text-decoration: none;
  padding: 6px 0;
}

.brand:hover { color: var(--bianco); }

.site-nav ul {
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-nav a {
  display: block;
  padding: 8px 12px;
  border-radius: 6px;
  color: rgba(255, 255, 255, .88);
  font-size: .97rem;
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  background: rgba(255, 255, 255, .12);
  color: var(--bianco);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 40px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, .3);
  border-radius: 8px;
  background: transparent;
  cursor: pointer;
}

.nav-toggle-bars,
.nav-toggle-bars::before,
.nav-toggle-bars::after {
  display: block;
  width: 20px;
  height: 2px;
  margin-inline: auto;
  background: var(--bianco);
  border-radius: 2px;
  content: "";
}

.nav-toggle-bars::before { transform: translateY(-6px); }
.nav-toggle-bars::after { transform: translateY(4px); }

/* ---------- Hero ---------- */

.hero {
  background: linear-gradient(180deg, var(--blu) 0%, var(--blu-scuro) 100%);
  color: var(--bianco);
  padding: 72px 0 78px;
}

.hero-inner { max-width: 760px; }

.eyebrow {
  margin: 0 0 14px;
  font-size: .82rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .72);
}

.hero h1 {
  margin: 0 0 18px;
  font-size: clamp(1.95rem, 5vw, 3rem);
  line-height: 1.15;
  letter-spacing: -.02em;
}

.hero-text {
  margin: 0 0 30px;
  font-size: clamp(1.05rem, 2.2vw, 1.2rem);
  color: rgba(255, 255, 255, .88);
  max-width: 60ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 0;
}

/* ---------- Pulsanti ---------- */

.btn {
  display: inline-block;
  padding: 13px 26px;
  border-radius: 8px;
  border: 1px solid transparent;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  transition: background-color .15s ease, color .15s ease, border-color .15s ease;
}

.btn-primary {
  background: var(--bianco);
  color: var(--blu);
}

.btn-primary:hover {
  background: #e8eef6;
  color: var(--blu);
}

.btn-ghost {
  border-color: rgba(255, 255, 255, .45);
  color: var(--bianco);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, .12);
  color: var(--bianco);
}

.btn-whatsapp {
  background: var(--whatsapp);
  color: var(--bianco);
}

.btn-whatsapp:hover {
  background: #166134;
  color: var(--bianco);
}

/* ---------- Sezioni ---------- */

.section { padding: 68px 0; }

.section-alt {
  background: var(--grigio-bg);
  border-block: 1px solid var(--grigio-bordo);
}

.section h2 {
  margin: 0 0 12px;
  font-size: clamp(1.5rem, 3.4vw, 2rem);
  line-height: 1.2;
  color: var(--blu);
  letter-spacing: -.01em;
}

.section-intro {
  margin: 0 0 34px;
  max-width: 62ch;
  color: var(--testo-soft);
}

.lead {
  margin: 0 0 32px;
  font-size: 1.1rem;
  max-width: 68ch;
}

.note {
  margin: 30px 0 0;
  padding: 14px 18px;
  border-left: 3px solid var(--grigio-bordo);
  background: var(--grigio-bg);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: .93rem;
  color: var(--testo-soft);
}

/* ---------- Card servizi ---------- */

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
}

.card {
  padding: 26px 24px;
  background: var(--bianco);
  border: 1px solid var(--grigio-bordo);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.card h3 {
  margin: 0 0 10px;
  font-size: 1.08rem;
  color: var(--blu);
}

.card p {
  margin: 0;
  font-size: .96rem;
  color: var(--testo-soft);
}

/* ---------- Dati aziendali ---------- */

.data-list {
  margin: 0;
  padding: 0;
  border: 1px solid var(--grigio-bordo);
  border-radius: var(--radius);
  background: var(--bianco);
  overflow: hidden;
}

.data-row {
  display: grid;
  grid-template-columns: 210px 1fr;
  gap: 8px 20px;
  padding: 14px 22px;
  border-bottom: 1px solid var(--grigio-bordo);
}

.data-row:last-child { border-bottom: 0; }

.data-row dt {
  font-weight: 600;
  color: var(--blu);
  font-size: .95rem;
}

.data-row dd {
  margin: 0;
  color: var(--testo);
  font-size: .97rem;
}

/* ---------- Contatti ---------- */

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

.contact-card {
  padding: 26px 24px;
  border: 1px solid var(--grigio-bordo);
  border-radius: var(--radius);
  background: var(--bianco);
  box-shadow: var(--shadow);
}

.contact-card h3 {
  margin: 0 0 10px;
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--testo-soft);
}

.contact-card p { margin: 0 0 12px; }

.contact-card p:last-child { margin-bottom: 0; }

.contact-link {
  font-size: 1.08rem;
  font-weight: 600;
  color: var(--blu);
  text-decoration: none;
  overflow-wrap: anywhere;
}

.contact-link:hover { text-decoration: underline; }

.contact-card address {
  font-style: normal;
  color: var(--testo);
}

/* ---------- Pagine legali ---------- */

.page-header {
  background: var(--blu);
  color: var(--bianco);
  padding: 52px 0;
}

.page-header h1 {
  margin: 0 0 8px;
  font-size: clamp(1.7rem, 4vw, 2.4rem);
  line-height: 1.2;
}

.page-header p {
  margin: 0;
  color: rgba(255, 255, 255, .8);
}

.legal { padding: 52px 0 68px; }

.legal h2 {
  margin: 38px 0 10px;
  font-size: 1.22rem;
  color: var(--blu);
}

.legal h2:first-of-type { margin-top: 0; }

.legal h3 {
  margin: 24px 0 8px;
  font-size: 1.03rem;
  color: var(--blu);
}

.legal p,
.legal li { color: var(--testo); }

.legal ul { padding-left: 22px; }

.legal li { margin-bottom: 6px; }

.legal .box {
  padding: 20px 22px;
  background: var(--grigio-bg);
  border: 1px solid var(--grigio-bordo);
  border-radius: var(--radius);
}

.legal .box p { margin: 0 0 6px; }

.legal .box p:last-child { margin-bottom: 0; }

.back-link {
  display: inline-block;
  margin-top: 40px;
  font-weight: 600;
  text-decoration: none;
}

.back-link:hover { text-decoration: underline; }

/* ---------- Footer ---------- */

.site-footer {
  background: var(--blu-scuro);
  color: rgba(255, 255, 255, .82);
  padding: 40px 0;
  font-size: .93rem;
}

.footer-data {
  margin: 0 0 8px;
  color: var(--bianco);
  font-weight: 600;
}

.footer-meta {
  margin: 0 0 16px;
  color: rgba(255, 255, 255, .72);
}

.site-footer a { color: rgba(255, 255, 255, .9); }

.site-footer a:hover { color: var(--bianco); }

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, .14);
}

.footer-links a { text-decoration: none; }

.footer-links a:hover { text-decoration: underline; }

/* ---------- Responsive ---------- */

@media (max-width: 720px) {
  .nav-toggle { display: block; }

  .site-nav {
    display: none;
    flex-basis: 100%;
  }

  .site-nav.is-open { display: block; }

  .site-nav ul {
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    padding: 6px 0 14px;
  }

  .site-nav a { padding: 11px 12px; }

  .hero { padding: 56px 0 60px; }

  .section { padding: 52px 0; }

  .data-row {
    grid-template-columns: 1fr;
    gap: 2px;
  }

  .btn {
    width: 100%;
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  * {
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
  }
}

@media print {
  .site-header,
  .nav-toggle,
  .skip-link { display: none; }

  body { font-size: 12pt; }
}