/* Reference-led home art direction. Scoped so campaign pages keep their theme. */
body.signal-design {
  /* Inherit the original brand palette from landing-theme.css. */
  --signal-border: rgba(125, 224, 230, .2);
  --font-display: Georgia, "Times New Roman", serif;
  --font-serif: Georgia, "Times New Roman", serif;
  background: var(--background);
}
.signal-design :is(h1, h2, h3, .section-title, .about-quote, .step-letter) {
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: -.035em;
}
.signal-design .container { max-width: 1160px; }
.signal-design .header {
  background: rgba(10, 10, 20, .96);
  border-bottom: 1px solid var(--border);
  box-shadow: none;
}
.signal-design .logo { font-size: 1rem; letter-spacing: .1em; }
.signal-design .nav { background: transparent; }
.signal-design .hero-carousel {
  height: auto;
  min-height: 660px;
  padding-bottom: 285px;
  background: var(--background);
  animation: none;
}
.signal-design .hero-carousel::before,
.signal-design .hero-carousel::after { display: none; }
.signal-design .hero-overlay {
  position: relative;
  padding: 76px 24px 0;
  background: none;
  text-align: center;
}
.signal-design .hero-overlay .container { align-items: center; gap: 22px; }
.signal-design .hero h1 {
  max-width: 100%;
  font-size: clamp(2.8rem, 5.6vw, 5rem);
  line-height: 1.06;
  font-weight: 400;
  text-wrap: balance;
  text-shadow: 0 0 55px rgba(133, 224, 241, .12);
}
.signal-design .hero-sub {
  max-width: 42rem;
  margin: 0;
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--body-medium);
}
.signal-design .hero-actions { justify-content: center; gap: 14px; }
.signal-design .hero-terminal { margin: 0; min-height: 22px; }
.signal-product-links { display: flex; justify-content: center; flex-wrap: wrap; gap: 24px; }
.signal-product-links a {
  color: var(--link-on-card);
  font-size: .8125rem;
  padding: 8px 0;
  text-decoration: none;
  border-bottom: 1px solid var(--signal-border);
}
.signal-product-title { color: var(--foreground); text-decoration: none; }
.signal-product-links a:hover,
.signal-product-title:hover { color: var(--primary); }
.signal-design .signal-eyebrow {
  color: var(--primary);
  font: 500 .65rem/1.6 var(--font-body);
  letter-spacing: .23em;
  text-transform: uppercase;
  margin-bottom: 18px;
}
.signal-design .hero .signal-eyebrow { margin: 0; }
.signal-wave {
  position: absolute;
  width: 112%;
  max-width: none;
  height: 300px;
  left: -6%;
  bottom: 32px;
  object-fit: fill;
  pointer-events: none;
}
.signal-signature {
  position: absolute;
  bottom: 18px;
  width: 100%;
  text-align: center;
  font-size: .58rem;
  letter-spacing: .3em;
  color: var(--muted-foreground);
}
.signal-signature span { color: var(--highlight-soft); padding: 0 14px; }
.signal-field {
  position: absolute;
  bottom: 24px;
  left: 0;
  width: 100%;
  height: 330px;
  pointer-events: none;
  opacity: 0;
}
.signal-live .signal-field { opacity: 1; }
.signal-live .signal-wave { opacity: 0; }
.signal-design .hero-carousel {
  background:
    radial-gradient(ellipse at 18% 62%, rgba(122, 90, 168, .23), transparent 52%),
    radial-gradient(ellipse at 76% 80%, rgba(125, 224, 230, .12), transparent 48%),
    var(--background);
}
.signal-design .btn,
.signal-design .hero-overlay .btn-primary {
  background: var(--primary-dark);
  color: var(--primary);
  border: 1px solid var(--primary);
  border-radius: 5px;
  box-shadow: 0 0 20px rgba(125, 224, 230, .07), inset 0 0 16px rgba(125, 224, 230, .035);
  animation: none;
  font-weight: 500;
}
.signal-design .btn:hover,
.signal-design .hero-overlay .btn-primary:hover {
  background: var(--secondary);
  color: var(--foreground);
  border-color: var(--primary);
  box-shadow: 0 0 26px rgba(125, 224, 230, .17);
}
.signal-design .hero-overlay .btn-secondary {
  background: transparent;
  color: var(--body-medium);
  border-color: var(--border-strong);
  box-shadow: none;
}
/* Keep booking visually primary, with a readable solid surface over the field. */
.signal-design .nav .btn-cta {
  /* The legacy navigation declares its cyan foreground as !important. */
  color: var(--primary-foreground) !important;
}
.signal-design .hero-overlay .btn-primary,
.signal-design .nav .btn-cta,
.signal-design .cta-section .btn-cta {
  background: var(--primary);
  color: var(--primary-foreground);
  border-color: var(--primary);
  min-height: 48px;
  font-weight: 600;
  box-shadow: 0 0 24px rgba(125, 224, 230, .21);
}
.signal-design .hero-overlay .btn-primary:hover,
.signal-design .nav .btn-cta:hover,
.signal-design .cta-section .btn-cta:hover {
  background: var(--link-on-card-hover);
  color: var(--primary-foreground);
}
.signal-design .stats-bar {
  background: var(--background);
  border-top: 0;
  border-bottom: 1px solid var(--signal-border);
  padding: 38px 0;
}
.signal-design .stat-number { font-family: var(--font-display); font-weight: 400; color: var(--primary); }
.signal-design .stat-label { color: var(--body-medium); }
.signal-design .stats-bar::before { display: none; }
.signal-design .internal-cluster { margin-top: 18px !important; }
.signal-design .internal-cluster a { color: var(--link-on-card); text-underline-offset: 4px; }
.signal-design .internal-cluster a:hover { color: var(--foreground); }
.signal-design .section { padding: 80px 0; }
.signal-design .section-title { font-size: clamp(2rem, 3.6vw, 3.1rem); line-height: 1.15; }
.signal-design #servizi .text-center,
.signal-design #metodologia .text-center { text-align: left; }
.signal-design #servizi .section-sub,
.signal-design #metodologia .section-sub { margin-left: 0 !important; }
.signal-design :is(.card, .method-step, .mini-case, .fit-col, .diff-card) {
  background: transparent;
  border: 0;
  border-top: 1px solid var(--signal-border);
  border-radius: 0;
  box-shadow: none;
}
.signal-design :is(.card, .method-step, .mini-case, .fit-col, .diff-card):hover {
  background: var(--card);
  box-shadow: none;
  border-color: var(--primary);
  transform: none;
}
.signal-design .card::after,
.signal-design .method-step::after { display: none; }
.signal-design .card h3 { font-size: 1.65rem; line-height: 1.2; }
.signal-design .card { padding: 28px 20px; }
.signal-design .cards-grid { gap: 0; }
.signal-design .cards-grid:not(.product-cards) { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.signal-design .card:nth-child(even) { border-left: 1px solid var(--signal-border); }
.signal-design .product-cards { gap: 26px; margin-top: 36px; }
.signal-design .product-cards .card { border: 1px solid var(--signal-border); border-radius: 6px; }
.signal-object { display: block; width: 100%; height: 170px; object-fit: contain; margin: 0 auto 22px; }
.signal-design .badge { background: transparent; color: var(--link-on-card); border: 0; padding-left: 0; letter-spacing: .14em; }
.signal-design .advisory-kicker { margin: 64px 0 24px; font-size: 2rem; }
.signal-design #metodologia { background: var(--background) !important; }
.signal-design .method-grid { gap: 0; }
.signal-design .method-step { position: relative; padding: 24px 16px; text-align: center; }
.signal-design .step-letter { color: var(--foreground); font-size: 3rem; line-height: 1.2; margin-bottom: 22px; opacity: 1; }
.signal-design .step-letter::after {
  content: "";
  display: block;
  width: 6px;
  height: 6px;
  margin: 12px auto 0;
  border-radius: 50%;
  background: var(--highlight-soft);
  box-shadow: 0 0 12px 3px var(--primary);
}
.signal-design .step-title { font-family: var(--font-display); font-size: 1.1rem; font-weight: 400; }
.signal-design #chi-sono { background: var(--background) !important; }
.signal-design .about-quote { color: var(--foreground); font-size: 2.4rem; line-height: 1.2; }
.signal-design .cta-section {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--background);
  padding: 110px 24px;
  border-top: 1px solid var(--signal-border);
}
.signal-design .cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url("signal-wave.svg") center / cover no-repeat;
  opacity: .23;
  z-index: -1;
  pointer-events: none;
}
.signal-design .cta-section h2 { color: var(--foreground); font-size: clamp(2.3rem, 4vw, 3.6rem); }
.signal-design .cta-section p { color: var(--body-medium); }
.signal-design .footer { background: var(--background); border-top: 1px solid var(--signal-border); }
.signal-design :is(.section, .problem)::before { opacity: .12; }
.signal-design :focus-visible { outline: 2px solid var(--primary); outline-offset: 5px; }
@media (min-width: 1024px) {
  .signal-design .method-grid { grid-template-columns: repeat(6, minmax(0, 1fr)); }
}
@media (prefers-reduced-motion: no-preference) {
  .signal-design .product-cards .signal-object {
    animation: signal-float 5s ease-in-out infinite alternate;
    filter: drop-shadow(0 0 13px rgba(125, 224, 230, .33));
  }
  .signal-design .product-cards .card:nth-child(2) .signal-object { animation-delay: -2s; }
  .signal-design .product-cards .card:nth-child(3) .signal-object { animation-delay: -3.5s; }
  .signal-design .product-cards .card:hover .signal-object {
    filter: drop-shadow(0 0 22px rgba(125, 224, 230, .6)) brightness(1.5);
  }
  .signal-design .step-letter::after { animation: signal-pulse 3s ease-in-out infinite; }
  .signal-design .method-step:nth-child(2) .step-letter::after { animation-delay: .4s; }
  .signal-design .method-step:nth-child(3) .step-letter::after { animation-delay: .8s; }
  .signal-design .method-step:nth-child(4) .step-letter::after { animation-delay: 1.2s; }
  .signal-design .method-step:nth-child(5) .step-letter::after { animation-delay: 1.6s; }
  .signal-design .method-step:nth-child(6) .step-letter::after { animation-delay: 2s; }
  @keyframes signal-float {
    from { transform: perspective(700px) translateY(4px) rotateY(-9deg); }
    to { transform: perspective(700px) translateY(-12px) rotateY(9deg); }
  }
  @keyframes signal-pulse {
    0%, 100% { box-shadow: 0 0 8px 2px var(--primary); }
    50% { box-shadow: 0 0 22px 6px var(--highlight-soft); }
  }
  .signal-wave { animation: signal-drift 12s ease-in-out infinite alternate; }
  .signal-object { transition: transform .7s ease, filter .7s ease; }
  .card:hover .signal-object { transform: translateY(-7px); filter: brightness(1.3); }
  @keyframes signal-drift {
    from { transform: translate(-1%, 8px) scaleY(.94); }
    to { transform: translate(1%, -8px) scaleY(1.08); }
  }
}
@media (max-width: 639px) {
  .signal-design .hero-carousel { min-height: 620px; padding-bottom: 220px; }
  .signal-design .hero-overlay { padding: 46px 20px 0; }
  .signal-design .hero-overlay .container { padding: 0; gap: 22px; }
  .signal-design .hero h1 { font-size: clamp(2.3rem, 9.3vw, 3.3rem); }
  .signal-design .hero-sub { font-size: .94rem; }
  .signal-design .hero-actions { width: 100%; }
  .signal-wave { width: 170%; left: -35%; height: 220px; bottom: 28px; }
  .signal-field { height: 230px; }
  .signal-design .section { padding: 54px 0; }
  .signal-design .cards-grid:not(.product-cards) { grid-template-columns: 1fr; }
  .signal-design .card:nth-child(even) { border-left: 0; }
  .signal-design .product-cards .card { border: 1px solid var(--signal-border); }
  .signal-design .product-cards { gap: 20px; }
  .signal-design .cta-section { padding: 76px 20px; }
}