/* ===========================================================
   MDB TUTOR — foglio di stile condiviso
   =========================================================== */

:root {
  --teal: #2fa79b;
  --teal-dark: #268f85;
  --navy: #2c3a54;
  --navy-soft: #384864;
  --text: #4a5568;
  --text-light: #8a93a3;
  --border: #e7e9ee;
  --bg: #ffffff;
  --bg-soft: #f7f8fa;
  --radius: 6px;
  --max-width: 1160px;
  --font: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 32px;
}

h1, h2, h3 {
  color: var(--navy);
  font-weight: 500;
  margin: 0 0 16px;
}

h1 { font-size: 2.1rem; }
h2 { font-size: 1.6rem; }

/* ---------------- Header (teal band, used on inner pages) --------------- */

.site-header {
  background: var(--teal);
  padding: 28px 0;
}

.site-header .wrap {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 20px;
}

.brand {
  color: #fff;
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: 0.2px;
  text-transform: uppercase;
  max-width: 260px;
}
.brand a { color: #fff; text-decoration: none; }
.brand a {
  display: flex;
  align-items: center;
  gap: 10px;
}
.brand-logo {
  height: 36px;
  width: auto;
  flex-shrink: 0;
  border-radius: 6px;
}

nav.main-nav {
  text-align: right;
}
nav.main-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 6px 22px;
  max-width: 620px;
}
nav.main-nav li { margin: 3px 11px; }
nav.main-nav a {
  color: #fff;
  font-size: 0.95rem;
  opacity: 0.95;
}
nav.main-nav a:hover { opacity: 1; text-decoration: underline; }
nav.main-nav a.current { opacity: 0.55; }

/* ---------------- Header variant: plain (used on home & a few pages) ---- */

.site-header.plain {
  background: #fff;
  padding: 26px 0 34px;
  border-bottom: 1px solid var(--border);
}
.site-header.plain .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
}
.site-header.plain .brand {
  color: var(--navy);
  font-size: 0.95rem;
  max-width: none;
  flex-shrink: 0;
}
.site-header.plain .brand a { color: var(--navy); }
.site-header.plain .brand-logo { height: 28px; }
.site-header.plain nav.main-nav {
  text-align: right;
  flex: 1;
}
.site-header.plain nav.main-nav ul {
  justify-content: flex-end;
  max-width: none;
}
.site-header.plain nav.main-nav a {
  color: var(--teal);
}
.site-header.plain nav.main-nav a.current {
  color: var(--text-light);
}

/* Minimal header for legal pages that had no nav in the original site */
.site-header.minimal {
  background: #fff;
  padding: 22px 0;
  border-bottom: 1px solid var(--border);
}
.site-header.minimal .brand {
  color: var(--navy);
  font-size: 0.95rem;
  max-width: none;
}
.site-header.minimal .brand a { color: var(--navy); }
.site-header.minimal .brand-logo { height: 28px; }

/* ---------------- Hero (home page) --------------------------------- */

.hero {
  text-align: center;
  padding: 50px 0 60px;
}
.hero h1 {
  font-size: 2.3rem;
  font-weight: 400;
  line-height: 1.3;
}
.hero .tagline {
  color: var(--text-light);
  font-size: 0.95rem;
  margin-bottom: 30px;
}

/* ---------------- Buttons ------------------------------------------ */

.btn {
  display: inline-block;
  background: var(--teal);
  color: #fff;
  padding: 13px 28px;
  border-radius: var(--radius);
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  transition: background 0.15s ease;
}
.btn:hover {
  background: var(--teal-dark);
  text-decoration: none;
  color: #fff;
}
.btn.btn-block {
  display: block;
  width: 100%;
  text-align: center;
  padding: 16px 20px;
  margin-bottom: 18px;
  font-weight: 600;
}
.btn.btn-sm { padding: 9px 20px; font-size: 0.88rem; }

/* ---------------- Card grid ----------------------------------------- */

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
  margin: 40px 0;
}
@media (max-width: 800px) {
  .card-grid { grid-template-columns: 1fr; }
}

.card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 26px;
  text-align: center;
}
.card h3 {
  font-size: 1.15rem;
  margin: 14px 0 16px;
}
.card .icon {
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--navy);
}
.card .icon img { margin: 0 auto; }
.card .icon svg { width: 38px; height: 38px; }
.card p {
  font-size: 0.92rem;
  color: var(--text-light);
  margin: 14px 0 0;
}

/* service card (services page) */
.service-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 24px 30px;
  min-height: 230px;
}
.service-card h3 {
  font-size: 1.15rem;
  margin-bottom: 16px;
}
.service-card .eyebrow {
  color: var(--text-light);
  font-size: 0.8rem;
  text-align: center;
  margin-bottom: 8px;
}
.service-card ul {
  margin: 0 0 18px;
  padding-left: 18px;
  font-size: 0.88rem;
}
.service-card li { margin-bottom: 6px; }
.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}
.badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 5px 10px;
  border-radius: 4px;
  background: var(--bg-soft);
  color: var(--navy-soft);
  border: 1px solid var(--border);
  white-space: nowrap;
}
.logo-row {
  align-items: center;
}
.partner-logo {
  max-height: 32px;
  width: auto;
  display: block;
}

/* ---------------- Sections ------------------------------------------ */

.section {
  padding: 50px 0;
}
.section.tight { padding: 30px 0; }

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}
@media (max-width: 800px) {
  .split { grid-template-columns: 1fr; }
}

.photo-frame {
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 4/3;
}

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

footer.site-footer {
  background: var(--navy);
  color: #cfd6e2;
  padding: 44px 0 24px;
  margin-top: 60px;
  font-size: 0.88rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}
@media (max-width: 800px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
footer.site-footer h4 {
  color: #fff;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin: 0 0 12px;
  text-decoration: underline;
}
footer.site-footer a { color: #cfd6e2; }
footer.site-footer p { margin: 0 0 6px; }
.footer-bottom {
  text-align: center;
  margin-top: 36px;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.12);
  font-size: 0.82rem;
}
.footer-bottom a { margin: 0 8px; }

/* ---------------- Misc ------------------------------------------------ */

.lead { font-size: 1rem; color: var(--text); }
.stack > * + * { margin-top: 14px; }

.contact-links a.btn { margin-bottom: 14px; }

.qr-box {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  text-align: center;
  max-width: 300px;
}
.qr-box .qr-icon {
  width: 46px; height: 46px;
  border-radius: 50%;
  background: var(--teal);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 12px;
}
.qr-box h5 { margin: 0; font-size: 0.95rem; color: var(--navy); }
.qr-box .sub { font-size: 0.78rem; color: var(--text-light); margin-bottom: 16px; }
.qr-placeholder {
  background: #fff;
  border: 1px solid var(--border);
  padding: 16px;
}

.faq-toc {
  background: var(--bg-soft);
  border-radius: var(--radius);
  padding: 24px 28px;
  margin: 30px 0 40px;
}
.faq-toc ol { margin: 10px 0 0; padding-left: 20px; }
.faq-toc li { margin-bottom: 6px; }

.faq-grid {
  display: flex;
  flex-direction: column;
  gap: 40px;
}
.faq-item h3 {
  font-size: 1.05rem;
  margin-bottom: 12px;
}
.faq-item { scroll-margin-top: 24px; }
.faq-item {
  max-width: 760px;
  padding-bottom: 30px;
  border-bottom: 1px solid var(--border);
}
.faq-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}
.back-to-top {
  margin-top: 18px;
  font-size: 0.85rem;
}
.back-to-top a {
  color: var(--teal);
}
.faq-toc a { color: var(--navy-soft); }
.faq-toc a:hover { color: var(--teal); }
.faq-item p, .faq-item ol, .faq-item ul {
  font-size: 0.9rem;
}
.faq-item ol, .faq-item ul { padding-left: 20px; }
.faq-item ol li, .faq-item ul li { margin-bottom: 6px; }

.note-box {
  background: var(--bg-soft);
  border-left: 3px solid var(--teal);
  padding: 16px 20px;
  border-radius: 4px;
  font-size: 0.88rem;
  color: var(--text);
  margin: 30px 0;
}

/* ---------------- Forms ------------------------------------------------ */

.form-fieldset {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 26px 8px;
  margin: 0 0 26px;
}
.form-fieldset legend {
  padding: 0 8px;
  font-weight: 600;
  color: var(--navy);
  font-size: 1rem;
}
.field-hint {
  font-size: 0.85rem;
  color: var(--text-light);
  margin: -4px 0 18px;
}

.form-group {
  margin-bottom: 18px;
  flex: 1;
}
.form-group label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--navy-soft);
  margin-bottom: 6px;
}

.form-row {
  display: flex;
  gap: 20px;
}
.form-row-3 { flex-wrap: wrap; }
@media (max-width: 640px) {
  .form-row { flex-direction: column; gap: 0; }
}

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="number"],
select,
textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: 0.95rem;
  color: var(--text);
  background: #fff;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(47,167,155,0.15);
}
textarea { resize: vertical; }

.radio-row {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}
.radio-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.92rem;
  font-weight: 400;
  color: var(--text);
  cursor: pointer;
}
.radio-label input[type="radio"],
.radio-label input[type="checkbox"] {
  width: auto;
  accent-color: var(--teal);
}
.checkbox-group { margin-bottom: 24px; }

.result-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 20px;
  padding: 8px 0;
  font-size: 0.92rem;
}
.result-row span { color: var(--text); }
.result-row strong { color: var(--navy); white-space: nowrap; }
@media (max-width: 500px) {
  .result-row { flex-direction: column; gap: 2px; }
}

.ateco-results {
  display: none;
  position: absolute;
  z-index: 20;
  top: 100%;
  left: 0;
  right: 0;
  max-height: 280px;
  overflow-y: auto;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 8px 20px rgba(0,0,0,0.08);
  margin-top: 4px;
}

.ref-table-wrap {
  overflow-x: auto;
  margin: 18px 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.ref-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}
.ref-table th {
  background: var(--bg-soft);
  color: var(--navy);
  text-align: left;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.ref-table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  color: var(--text);
}
.ref-table tr:last-child td { border-bottom: none; }
.ref-table tr:hover td { background: var(--bg-soft); }
.ateco-result-item {
  padding: 10px 14px;
  font-size: 0.88rem;
  color: var(--text);
  cursor: pointer;
  border-bottom: 1px solid var(--border);
}
.ateco-result-item:last-child { border-bottom: none; }
.ateco-result-item:hover { background: var(--bg-soft); }
.ateco-result-item strong { color: var(--teal-dark); }
.ateco-no-match {
  color: var(--text-light);
  cursor: default;
  font-style: italic;
}
.ateco-no-match:hover { background: none; }

/* ---------------- Mobile responsiveness -------------------------------- */

@media (max-width: 640px) {
  .wrap { padding: 0 20px; }

  h1 { font-size: 1.6rem; }
  h2 { font-size: 1.3rem; }

  .site-header { padding: 22px 0; }
  .site-header .wrap {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 16px;
  }
  .brand { max-width: none; font-size: 1.05rem; }

  nav.main-nav { text-align: center; width: 100%; }
  nav.main-nav ul {
    justify-content: center;
    max-width: none;
  }
  nav.main-nav li { margin: 4px 8px; }
  nav.main-nav a { font-size: 0.88rem; }

  .site-header.plain { padding: 18px 0 22px; }
  .site-header.plain .wrap { flex-direction: column; text-align: center; }
  .site-header.plain nav.main-nav { text-align: center; }
  .site-header.plain nav.main-nav ul { justify-content: center; }
  .site-header.minimal { padding: 16px 0; text-align: center; }

  .hero { padding: 34px 0 40px; }
  .hero h1 { font-size: 1.7rem; }

  .section { padding: 32px 0; }
  .section.tight { padding: 20px 0; }

  .card-grid { gap: 18px; margin: 26px 0; }
  .card { padding: 24px 20px; }

  .service-card { min-height: 0; padding: 22px 20px; }

  .split { gap: 28px; }

  .footer-grid { grid-template-columns: 1fr; gap: 24px; text-align: center; }
  footer.site-footer { padding: 34px 0 20px; margin-top: 40px; }

  .footer-bottom { display: flex; flex-direction: column; gap: 6px; }
  .footer-bottom a { margin: 0; }

  .qr-box { max-width: none; }

  .faq-grid { gap: 30px; }
  .faq-toc { padding: 18px 20px; }

  .btn { width: 100%; text-align: center; padding: 14px 20px; }
  .btn.btn-sm { width: auto; padding: 9px 20px; }

  /* AiutoPC page: force the fixed 3-column layout to stack */
  section .wrap > div[style*="grid-template-columns:180px"] {
    grid-template-columns: 1fr !important;
    text-align: center;
    gap: 20px !important;
  }
  section .wrap > div[style*="grid-template-columns:180px"] > div:first-child svg {
    max-width: 130px;
    margin: 0 auto;
  }
  section .wrap > div[style*="grid-template-columns:180px"] ul {
    display: inline-block;
    text-align: left;
  }
}

@media (max-width: 420px) {
  nav.main-nav li { margin: 4px 6px; }
  nav.main-nav a { font-size: 0.82rem; }
  .brand { font-size: 0.95rem; }
}