/* ==========================================================================
   Systemia Lab — stile condiviso delle pagine nuove
   (Motore Clienti, Chi Siamo, Testimonianze, IT + EN).
   Token, menu e footer sono gli stessi di index.html: se cambi uno, cambia l'altro.
   ========================================================================== */

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, sans-serif;
  background: #fff;
  color: #111;
  overflow-x: hidden;
  line-height: 1.6;
}

:root {
  --green: #00C896;
  --green-dark: #00a87e;
  --green-light: #e6faf5;
  --black: #0a0a0a;
  --ink: #0d1f19;
  --gray: #6b7280;
  --gray-light: #f9fafb;
  --gray-border: #e5e7eb;
  --violet: #635bff;
  --radius: 10px;
  --radius-lg: 16px;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.08), 0 4px 16px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.12);
}

[hidden] {
  display: none !important;
}

img,
video,
iframe {
  max-width: 100%;
  display: block;
}

a {
  color: var(--green-dark);
}

/* ---------- LAYOUT ---------- */
.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

.container-narrow {
  max-width: 820px;
  margin: 0 auto;
  padding: 0 24px;
}

section {
  padding: 96px 0;
}

.bg-soft {
  background: var(--gray-light);
}

.bg-dark {
  background: var(--black);
  color: #cfd4d2;
}

.text-center {
  text-align: center;
}

/* ---------- NAV ---------- */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: #ffffff;
  border-bottom: 1px solid var(--gray-border);
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
}

.nav-inner {
  max-width: 1120px;
  margin: 0 auto;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

.nav-logo img {
  height: 40px;
  width: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-links a {
  color: var(--gray);
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--black);
}

.nav-links a[aria-current="page"] {
  color: var(--green);
  font-weight: 600;
}

.nav-links a.nav-flagship {
  color: var(--green-dark);
  font-weight: 700;
}

.nav-mobile-only {
  display: none;
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Selettore lingua con bandiere: sempre visibile, anche su mobile accanto al menu */
.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  border: 1px solid var(--gray-border);
  border-radius: 999px;
  padding: 3px;
  background: #fff;
}

.lang-switch span,
.lang-switch a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px 4px 6px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--gray);
  text-decoration: none;
  transition: background 0.2s, color 0.2s;
}

.lang-switch span[aria-current] {
  background: var(--green-light);
  color: var(--black);
}

.lang-switch a:hover {
  background: var(--gray-light);
  color: var(--black);
}

.flag {
  width: 20px;
  height: 14px;
  border-radius: 3px;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.1);
  flex: none;
  display: block;
}

.hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  color: var(--black);
}

/* ---------- BUTTONS ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 20px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
  border: none;
  font-family: inherit;
}

.btn-primary {
  background: var(--green);
  color: white;
}

.btn-primary:hover {
  background: var(--green-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(0, 200, 150, 0.35);
}

.btn-outline {
  background: white;
  color: var(--black);
  border: 1.5px solid var(--gray-border);
}

.btn-outline:hover {
  border-color: var(--black);
}

.btn-glass {
  color: #fff;
  border: 1.5px solid rgba(255, 255, 255, 0.55);
  background: rgba(255, 255, 255, 0.08);
}

.btn-glass:hover {
  background: rgba(255, 255, 255, 0.16);
}

.btn-lg {
  padding: 14px 28px;
  font-size: 1rem;
  border-radius: var(--radius-lg);
}

/* ---------- HEADINGS ---------- */
.section-label {
  display: inline-block;
  background: var(--green-light);
  color: var(--green-dark);
  border-radius: 99px;
  padding: 4px 14px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.bg-dark .section-label,
.page-hero .section-label {
  background: rgba(0, 200, 150, 0.15);
  color: #00e6a8;
}

.section-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--black);
  margin-bottom: 16px;
  line-height: 1.2;
}

.bg-dark .section-title {
  color: #fff;
}

.section-sub {
  color: var(--gray);
  font-size: 1.05rem;
  max-width: 620px;
}

.text-center .section-sub {
  margin: 0 auto;
}

.accent {
  color: var(--green);
}

/* ---------- PAGE HERO ---------- */
.page-hero {
  position: relative;
  padding: 150px 0 96px;
  background: linear-gradient(135deg, #0a0a0a 0%, #0d1f19 100%);
  color: #fff;
  overflow: hidden;
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.06;
  background-image: radial-gradient(circle at 20% 50%, #00C896 1px, transparent 1px),
    radial-gradient(circle at 80% 20%, #00C896 1px, transparent 1px);
  background-size: 60px 60px;
}

.page-hero .container {
  position: relative;
  z-index: 1;
}

.breadcrumb {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 18px;
}

.breadcrumb a {
  color: rgba(255, 255, 255, 0.5);
  text-decoration: none;
}

.breadcrumb a:hover {
  color: #fff;
}

.breadcrumb span {
  margin: 0 8px;
}

.page-hero h1 {
  font-size: clamp(2.1rem, 5.4vw, 3.6rem);
  font-weight: 900;
  letter-spacing: -0.035em;
  line-height: 1.08;
  max-width: 860px;
  margin-bottom: 22px;
}

.page-hero .lead {
  font-size: clamp(1.02rem, 2vw, 1.2rem);
  color: rgba(255, 255, 255, 0.76);
  max-width: 680px;
  margin-bottom: 34px;
}

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

.hero-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 34px;
}

.hero-chips span {
  background: rgba(0, 200, 150, 0.12);
  color: #7ff0cf;
  border: 1px solid rgba(0, 200, 150, 0.35);
  border-radius: 99px;
  padding: 7px 16px;
  font-size: 0.85rem;
  font-weight: 600;
}

/* Apertura centrata: stessa grafica e misure dell'hero di servizi.html
   (Tailwind: pt-32 pb-20, h1 text-3xl md:text-5xl Manrope 800, p text-lg md:text-xl, pillole verdi) */
.page-hero.hero-center {
  padding: 128px 24px 80px;
  text-align: center;
}

.page-hero.hero-center::before {
  opacity: 0.05;
}

.page-hero.hero-center .breadcrumb {
  font-size: 0.875rem;
  margin-bottom: 16px;
}

.page-hero.hero-center .breadcrumb .here {
  margin: 0;
  color: #fff;
}

.page-hero.hero-center h1 {
  font-family: 'Manrope', 'Inter', sans-serif;
  font-weight: 800;
  font-size: 1.875rem;
  line-height: 1.25;
  letter-spacing: -0.025em;
  max-width: 56rem;
  margin: 0 auto 24px;
}

.page-hero.hero-center .lead {
  font-size: 1.125rem;
  line-height: 1.75rem;
  color: rgba(255, 255, 255, 0.75);
  max-width: 42rem;
  margin: 0 auto 40px;
}

.hero-pills {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

.hero-pills span {
  background: rgba(0, 200, 150, 0.15);
  color: #00e6a8;
  border: 1px solid rgba(0, 200, 150, 0.4);
  border-radius: 99px;
  padding: 8px 20px;
  font-size: 0.875rem;
  font-weight: 600;
}

@media (min-width: 768px) {
  .page-hero.hero-center h1 {
    font-size: 3rem;
    line-height: 1;
  }

  .page-hero.hero-center .lead {
    font-size: 1.25rem;
  }
}

/* ---------- CARDS / GRIDS ---------- */
.grid-2,
.grid-3,
.grid-4 {
  display: grid;
  gap: 24px;
  margin-top: 48px;
}

.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

.card {
  background: #fff;
  border: 1px solid var(--gray-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow);
}

.card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--black);
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.card p {
  color: var(--gray);
  font-size: 0.95rem;
}

.card .icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--green-light);
  color: var(--green-dark);
  display: grid;
  place-items: center;
  font-size: 1.3rem;
  margin-bottom: 16px;
}

.bg-dark .card {
  background: #121614;
  border-color: #1f2a26;
  box-shadow: none;
}

.bg-dark .card h3 {
  color: #fff;
}

.bg-dark .card p {
  color: #9aa3a0;
}

/* ---------- STEPS ---------- */
.steps {
  counter-reset: step;
  display: grid;
  gap: 16px;
  margin-top: 48px;
}

.step {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 20px;
  align-items: start;
  background: #fff;
  border: 1px solid var(--gray-border);
  border-radius: var(--radius-lg);
  padding: 22px 24px;
}

.step::before {
  counter-increment: step;
  content: counter(step);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--green);
  color: #fff;
  font-weight: 800;
  display: grid;
  place-items: center;
  font-size: 1.1rem;
}

.step h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 4px;
  color: var(--black);
}

.step p {
  color: var(--gray);
  font-size: 0.95rem;
}

/* ---------- CHECK LIST ---------- */
.check-list {
  list-style: none;
  display: grid;
  gap: 10px;
}

.check-list li {
  position: relative;
  padding-left: 30px;
  color: #374151;
}

.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 1px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--green-light);
  color: var(--green-dark);
  font-size: 0.75rem;
  font-weight: 800;
  display: grid;
  place-items: center;
}

.bg-dark .check-list li {
  color: #cfd4d2;
}

.bg-dark .check-list li::before {
  background: rgba(0, 200, 150, 0.18);
  color: #00e6a8;
}

/* ---------- FAQ ---------- */
.faq {
  margin-top: 40px;
  display: grid;
  gap: 12px;
}

.faq details {
  background: #fff;
  border: 1px solid var(--gray-border);
  border-radius: var(--radius);
  padding: 18px 22px;
}

.faq summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--black);
  list-style: none;
  display: flex;
  justify-content: space-between;
  gap: 16px;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq summary::after {
  content: "+";
  color: var(--green-dark);
  font-size: 1.3rem;
  line-height: 1;
}

.faq details[open] summary::after {
  content: "–";
}

.faq details p {
  color: var(--gray);
  margin-top: 10px;
}

/* ---------- CTA BAND ---------- */
.cta-band {
  background: linear-gradient(135deg, #0a0a0a 0%, #0d1f19 60%, #0f3b2f 100%);
  color: #fff;
  text-align: center;
}

.cta-band h2 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin-bottom: 14px;
}

.cta-band p {
  color: rgba(255, 255, 255, 0.72);
  max-width: 560px;
  margin: 0 auto 30px;
}

.cta-band .trust {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 22px;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.55);
}

/* ---------- SEGNAPOSTO DA COMPLETARE ---------- */
/* Evidenzia i testi ancora da scrivere. Quando li sostituisci, togli il <mark class="todo">. */
mark.todo {
  background: #fff3c4;
  color: #7a5b00;
  border: 1px dashed #e0b400;
  border-radius: 6px;
  padding: 1px 6px;
}

/* ---------- FOOTER ---------- */
footer {
  background: #0a0a0a;
  color: #888;
  padding: 64px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-logo {
  margin-bottom: 12px;
}

.footer-logo img {
  height: 44px;
  width: auto;
}

.footer-desc {
  font-size: 0.875rem;
  line-height: 1.6;
  max-width: 260px;
}

.footer-col h4 {
  color: white;
  font-weight: 600;
  font-size: 0.875rem;
  margin-bottom: 16px;
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col ul li a {
  color: #888;
  font-size: 0.875rem;
  text-decoration: none;
  transition: color 0.2s;
}

.footer-col ul li a:hover {
  color: white;
}

.footer-bottom {
  border-top: 1px solid #1f1f1f;
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom p {
  font-size: 0.8rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-links a {
  color: #888;
  font-size: 0.8rem;
  text-decoration: none;
}

.footer-links a:hover {
  color: white;
}

/* ---------- ANIMAZIONI ---------- */
.anim-fadein {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}

.anim-fadein.visible {
  opacity: 1;
  transform: translateY(0);
}

.anim-fadein[data-delay="1"] {
  transition-delay: 0.1s;
}

.anim-fadein[data-delay="2"] {
  transition-delay: 0.2s;
}

.anim-fadein[data-delay="3"] {
  transition-delay: 0.3s;
}

.anim-fadein[data-delay="4"] {
  transition-delay: 0.4s;
}

@media (prefers-reduced-motion: reduce) {
  .anim-fadein {
    opacity: 1;
    transform: none;
    transition: none;
  }

  html {
    scroll-behavior: auto;
  }
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 1024px) {
  .hamburger {
    display: block;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(12px);
    flex-direction: column;
    align-items: stretch;
    padding: 16px 24px 20px;
    gap: 4px;
    border-bottom: 1px solid var(--gray-border);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    z-index: 99;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    padding: 10px 0;
    font-size: 1rem;
    border-bottom: 1px solid var(--gray-border);
  }

  .nav-links a:last-child {
    border-bottom: none;
  }

  .nav-mobile-only {
    display: block;
  }

  .nav-mobile-cta {
    color: var(--green) !important;
    font-weight: 600;
  }

  .nav-cta {
    display: none;
  }

  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 860px) {
  .grid-3 {
    grid-template-columns: 1fr;
  }

  .grid-2 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  section {
    padding: 64px 0;
  }

  .page-hero {
    padding: 120px 0 64px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .btn-lg {
    font-size: 0.95rem;
    padding: 13px 20px;
  }
}

@media (max-width: 560px) {
  .grid-4 {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .step {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .hero-actions .btn {
    width: 100%;
  }
}

/* Telefoni stretti: il selettore mostra solo le bandiere, cosi' menu e logo stanno in una riga */
@media (max-width: 480px) {
  .nav-logo img {
    height: 32px;
  }

  .nav-right {
    gap: 8px;
  }

  .lang-switch span,
  .lang-switch a {
    padding: 4px 6px;
    gap: 0;
    font-size: 0;
  }
}