/* ============================================================
   STEP sas — Stylesheet principale
   ============================================================ */

/* Reset & Base */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --verde:   #09810b;
  --verde-s: #065e08;
  --grigio:  #555;
  --chiaro:  #f5f5f5;
  --bordo:   #ddd;
  --bianco:  #fff;
  --nero:    #222;
  --font:    'Segoe UI', Arial, sans-serif;
  --radius:  4px;
  --shadow:  0 2px 8px rgba(0,0,0,.12);
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  font-size: 15px;
  color: var(--nero);
  background: var(--bianco);
  line-height: 1.6;
}

a { color: var(--verde); text-decoration: none; }
a:hover { color: var(--verde-s); text-decoration: underline; }

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

/* ============================================================
   HEADER
   ============================================================ */
#header {
  background: var(--bianco);
  border-bottom: 3px solid var(--verde);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow);
}

.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.logo img { height: 48px; width: auto; }

/* NAV */
nav ul {
  list-style: none;
  display: flex;
  gap: 4px;
}

nav ul li a {
  display: block;
  padding: 8px 14px;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 600;
  color: var(--grigio);
  text-decoration: none;
  transition: background .2s, color .2s;
}

nav ul li a:hover,
nav ul li a.active {
  background: var(--verde);
  color: var(--bianco);
  text-decoration: none;
}

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 6px;
}

.nav-toggle span {
  display: block;
  width: 25px;
  height: 3px;
  background: var(--verde);
  border-radius: 2px;
  transition: all .3s;
}

/* ============================================================
   HERO
   ============================================================ */
#hero {
  background: linear-gradient(135deg, #e8f5e9 0%, #f1f8f1 100%);
  padding: 60px 20px 50px;
  text-align: center;
  border-bottom: 1px solid var(--bordo);
}

#hero .tagline {
  font-size: 1.15rem;
  color: var(--grigio);
  max-width: 780px;
  margin: 0 auto 10px;
  font-style: italic;
}

#hero h1 {
  font-size: 2.1rem;
  color: var(--verde);
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

#hero p {
  font-size: 1rem;
  color: var(--grigio);
  max-width: 680px;
  margin: 0 auto 28px;
}

.btn-primary {
  display: inline-block;
  background: var(--verde);
  color: var(--bianco);
  padding: 11px 28px;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: .95rem;
  transition: background .2s, transform .15s;
}

.btn-primary:hover {
  background: var(--verde-s);
  color: var(--bianco);
  text-decoration: none;
  transform: translateY(-1px);
}

/* ============================================================
   SEZIONE SERVIZI
   ============================================================ */
#servizi {
  max-width: 1100px;
  margin: 0 auto;
  padding: 60px 20px;
}

#servizi h2 {
  text-align: center;
  color: var(--verde);
  font-size: 1.6rem;
  margin-bottom: 40px;
  position: relative;
}

#servizi h2::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: var(--verde);
  margin: 10px auto 0;
  border-radius: 2px;
}

.servizi-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}

.servizio-card {
  background: var(--bianco);
  border: 1px solid var(--bordo);
  border-radius: 8px;
  padding: 28px 20px 24px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: transform .25s, box-shadow .25s;
  cursor: pointer;
}

.servizio-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0,0,0,.15);
}

.servizio-card img {
  margin: 0 auto 18px;
  height: 130px;
  width: auto;
  object-fit: contain;
  transition: transform .3s;
}

.servizio-card:hover img {
  transform: scale(1.05);
}

.servizio-card h3 {
  color: var(--verde);
  font-size: 1.05rem;
  margin-bottom: 10px;
}

.servizio-card p {
  font-size: .88rem;
  color: var(--grigio);
  line-height: 1.55;
}

.servizio-card .card-link {
  display: inline-block;
  margin-top: 14px;
  font-size: .85rem;
  font-weight: 700;
  color: var(--verde);
  border-bottom: 2px solid transparent;
  transition: border-color .2s;
}

.servizio-card .card-link:hover {
  border-color: var(--verde);
  text-decoration: none;
}

/* ============================================================
   SEZIONE CHI SIAMO
   ============================================================ */
#chi-siamo {
  background: var(--chiaro);
  border-top: 1px solid var(--bordo);
  border-bottom: 1px solid var(--bordo);
  padding: 60px 20px;
}

.chi-siamo-inner {
  max-width: 860px;
  margin: 0 auto;
  text-align: center;
}

.chi-siamo-inner h2 {
  color: var(--verde);
  font-size: 1.6rem;
  margin-bottom: 20px;
}

.chi-siamo-inner h2::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: var(--verde);
  margin: 10px auto 0;
  border-radius: 2px;
}

.chi-siamo-inner p {
  color: var(--grigio);
  font-size: .98rem;
  margin-bottom: 14px;
}

/* ============================================================
   CAROSELLO PARTNER / PRODOTTI
   ============================================================ */
.carousel-section {
  max-width: 1100px;
  margin: 0 auto;
  padding: 50px 20px;
}

.carousel-section h2 {
  text-align: center;
  color: var(--verde);
  font-size: 1.4rem;
  margin-bottom: 30px;
  position: relative;
}

.carousel-section h2::after {
  content: '';
  display: block;
  width: 50px;
  height: 3px;
  background: var(--verde);
  margin: 8px auto 0;
  border-radius: 2px;
}

.carousel-wrapper {
  position: relative;
  overflow: hidden;
}

.carousel-track {
  display: flex;
  gap: 30px;
  transition: transform .5s ease;
  align-items: center;
}

.carousel-track img {
  flex: 0 0 auto;
  max-height: 70px;
  width: auto;
  object-fit: contain;
  filter: grayscale(30%);
  opacity: .85;
  transition: filter .3s, opacity .3s;
}

.carousel-track img:hover {
  filter: grayscale(0%);
  opacity: 1;
}

.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: var(--verde);
  color: var(--bianco);
  border: none;
  border-radius: 50%;
  width: 36px;
  height: 36px;
  cursor: pointer;
  font-size: 16px;
  z-index: 2;
  transition: background .2s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.carousel-btn:hover { background: var(--verde-s); }
.carousel-btn.prev { left: 0; }
.carousel-btn.next { right: 0; }

/* Logo placeholder per immagini mancanti */
.logo-placeholder {
  flex: 0 0 auto;
  width: 160px;
  height: 70px;
  background: var(--chiaro);
  border: 1px solid var(--bordo);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .8rem;
  color: var(--grigio);
  text-align: center;
  padding: 6px;
}

/* ============================================================
   SOPHOS BADGE
   ============================================================ */
.sophos-badge {
  text-align: center;
  padding: 20px 20px 40px;
}

.sophos-badge p {
  font-size: .9rem;
  color: var(--grigio);
  margin-bottom: 10px;
}

.sophos-badge img {
  display: inline-block;
  height: 30px;
  width: auto;
}

/* ============================================================
   PAGINE INTERNE
   ============================================================ */
.page-header {
  background: linear-gradient(135deg, #e8f5e9 0%, #f1f8f1 100%);
  padding: 40px 20px 30px;
  border-bottom: 3px solid var(--verde);
}

.page-header .breadcrumb {
  max-width: 1100px;
  margin: 0 auto 8px;
  font-size: .83rem;
  color: var(--grigio);
}

.page-header .breadcrumb a { color: var(--verde); }
.page-header .breadcrumb a::after { content: ' /'; color: var(--grigio); }

.page-header h1 {
  max-width: 1100px;
  margin: 0 auto;
  color: var(--verde);
  font-size: 1.9rem;
}

.page-content {
  max-width: 1100px;
  margin: 0 auto;
  padding: 50px 20px 60px;
}

.page-content p { color: var(--grigio); margin-bottom: 16px; font-size: .97rem; }

.page-content ul {
  list-style: none;
  margin: 10px 0 20px 0;
}

.page-content ul li {
  padding: 6px 0 6px 22px;
  position: relative;
  color: var(--grigio);
  font-size: .95rem;
}

.page-content ul li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--verde);
}

.page-content h2 {
  color: var(--verde);
  font-size: 1.25rem;
  margin: 30px 0 14px;
}

/* ============================================================
   CONTATTI
   ============================================================ */
.contatti-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}

.info-box h2 { color: var(--verde); font-size: 1.3rem; margin-bottom: 20px; }

.info-row {
  display: flex;
  gap: 10px;
  margin-bottom: 14px;
  align-items: flex-start;
}

.info-row .icon {
  font-size: 1.1rem;
  color: var(--verde);
  flex: 0 0 24px;
  margin-top: 2px;
}

.info-row span { font-size: .95rem; color: var(--grigio); }

/* Form contatti */
.form-box h2 { color: var(--verde); font-size: 1.3rem; margin-bottom: 20px; }

.form-group { margin-bottom: 16px; }

.form-group label {
  display: block;
  font-size: .88rem;
  font-weight: 600;
  color: var(--nero);
  margin-bottom: 5px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--bordo);
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: .93rem;
  color: var(--nero);
  transition: border-color .2s, box-shadow .2s;
  background: var(--bianco);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--verde);
  box-shadow: 0 0 0 3px rgba(9,129,11,.12);
}

.form-group textarea { resize: vertical; min-height: 110px; }

.form-group .required { color: #c00; }

.btn-submit {
  background: var(--verde);
  color: var(--bianco);
  border: none;
  padding: 11px 30px;
  border-radius: var(--radius);
  font-size: .95rem;
  font-weight: 700;
  cursor: pointer;
  transition: background .2s, transform .15s;
}

.btn-submit:hover {
  background: var(--verde-s);
  transform: translateY(-1px);
}

.form-success {
  display: none;
  background: #e8f5e9;
  border: 1px solid var(--verde);
  color: var(--verde-s);
  padding: 14px 18px;
  border-radius: var(--radius);
  margin-top: 14px;
  font-weight: 600;
}

/* ============================================================
   MAPPA
   ============================================================ */
.mappa-wrapper {
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--bordo);
  box-shadow: var(--shadow);
  align-self: stretch;
}

.mappa-wrapper iframe {
  width: 100%;
  height: 100%;
  min-height: 340px;
  border: none;
  display: block;
}

/* ============================================================
   FOOTER
   ============================================================ */
#footer {
  background: #1a1a1a;
  color: #aaa;
  padding: 40px 20px 20px;
  font-size: .85rem;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.footer-cols {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 30px;
  margin-bottom: 30px;
}

.footer-col h4 {
  color: var(--bianco);
  font-size: .95rem;
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: .5px;
}

.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 7px; }
.footer-col ul li a { color: #aaa; text-decoration: none; transition: color .2s; }
.footer-col ul li a:hover { color: var(--bianco); }

.footer-col p { line-height: 1.7; }
.footer-col a { color: #aaa; }
.footer-col a:hover { color: var(--bianco); }

.footer-bottom {
  border-top: 1px solid #333;
  padding-top: 18px;
  text-align: center;
  font-size: .82rem;
  color: #666;
}

.footer-bottom a { color: #888; }
.footer-bottom a:hover { color: #aaa; }

/* ============================================================
   ANIMAZIONE SCROLL
   ============================================================ */
.hidden-anim {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .5s ease, transform .5s ease;
}

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

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
  .servizi-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-cols { grid-template-columns: 1fr 1fr; }
  .contatti-grid { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .header-inner { height: 60px; }
  .logo img { height: 38px; }

  nav {
    display: none;
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    background: var(--bianco);
    border-bottom: 2px solid var(--verde);
    padding: 10px 0;
    box-shadow: 0 4px 12px rgba(0,0,0,.1);
  }

  nav.open { display: block; }

  nav ul {
    flex-direction: column;
    gap: 0;
  }

  nav ul li a {
    border-radius: 0;
    padding: 12px 20px;
    border-bottom: 1px solid var(--bordo);
  }

  .nav-toggle { display: flex; }

  .servizi-grid { grid-template-columns: 1fr; gap: 18px; }
  .footer-cols { grid-template-columns: 1fr; }

  #hero h1 { font-size: 1.5rem; }
  .page-header h1 { font-size: 1.4rem; }
}