/* ============ Applicazioni / settori (sezione 04) ============ */
.sa-applications {
  --sa-paper: var(--paper);
  --sa-paper-2: var(--paper-warm);
  --sa-ink: var(--ink);
  --sa-ink-soft: var(--fg-3);
  --sa-green: var(--accent);
  --sa-green-soft: var(--accent-2);
  --sa-rule: var(--rule);
  --sa-rule-strong: var(--ink);
  --sa-mono: var(--ff-mono);
  --sa-serif: var(--ff-display);

  background: var(--sa-paper);
  color: var(--sa-ink);
  font-family: var(--sa-serif);
  padding: clamp(64px, 9vw, 128px) 0 clamp(56px, 7vw, 104px);
  position: relative;
  z-index: 2;
  overflow: hidden;
  isolation: isolate;
  -webkit-font-smoothing: antialiased;
}

.sa-applications::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.05;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.sa-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 clamp(20px, 5vw, 64px);
}

.sa-eyebrow {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  border-top: 1px solid var(--sa-rule-strong);
  padding-top: 14px;
  font-family: var(--sa-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--sa-ink);
}

.sa-eyebrow span:last-child {
  color: var(--sa-ink-soft);
}

.sa-head {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: clamp(20px, 4vw, 56px);
  align-items: end;
  margin: clamp(28px, 4vw, 52px) 0 clamp(36px, 4.5vw, 60px);
  max-width: none;
}

.sa-title {
  font-family: var(--sa-serif);
  font-weight: 500;
  font-size: clamp(28px, 4.5vw, 64px);
  line-height: 1.02;
  letter-spacing: -0.015em;
  margin: 0;
  text-wrap: balance;
  font-variation-settings: "opsz" 144, "SOFT" 25, "WONK" 0;
}

.sa-title em {
  font-style: italic;
  font-weight: 400;
  color: var(--sa-green);
  font-variation-settings: "opsz" 144, "SOFT" 100, "WONK" 1;
}

.sa-sub {
  font-size: clamp(15px, 1.7vw, 18px);
  line-height: 1.55;
  color: var(--sa-ink-soft);
  max-width: 42ch;
  margin: 0;
  justify-self: end;
  text-align: left;
}

.sa-marquee {
  position: relative;
  overflow: hidden;
  padding: 6px 0;
  -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 7%, #000 93%, transparent 100%);
  mask-image: linear-gradient(90deg, transparent 0, #000 7%, #000 93%, transparent 100%);
}

.sa-marquee + .sa-marquee {
  margin-top: 18px;
}

.sa-track {
  display: flex;
  width: max-content;
  gap: 18px;
  will-change: transform;
}

.sa-track--l {
  animation: sa-scroll-l 46s linear infinite;
}

.sa-track--r {
  animation: sa-scroll-r 52s linear infinite;
}

.sa-marquee:hover .sa-track {
  animation-play-state: paused;
}

@keyframes sa-scroll-l {
  from { transform: translate3d(0, 0, 0); }
  to { transform: translate3d(-50%, 0, 0); }
}

@keyframes sa-scroll-r {
  from { transform: translate3d(-50%, 0, 0); }
  to { transform: translate3d(0, 0, 0); }
}

.sa-card {
  flex: 0 0 auto;
  width: clamp(220px, 24vw, 266px);
  background: var(--sa-paper-2);
  border: 1px solid var(--sa-rule);
  padding: 18px 18px 16px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition:
    transform 0.4s cubic-bezier(0.2, 0.7, 0.2, 1),
    border-color 0.4s,
    box-shadow 0.4s;
}

.sa-card:hover {
  transform: translateY(-6px);
  border-color: var(--sa-green);
  box-shadow: 6px 8px 0 -2px var(--accent-soft);
}

.sa-card__top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  font-family: var(--sa-mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--sa-ink-soft);
}

.sa-card__tav {
  color: var(--sa-ink);
}

.sa-plate {
  border: 1px solid var(--sa-rule);
  background:
    repeating-linear-gradient(0deg, transparent 0 11px, rgba(22, 17, 14, 0.035) 11px 12px),
    var(--sa-paper);
  aspect-ratio: 1.45 / 1;
  display: grid;
  place-items: center;
  overflow: hidden;
}

.sa-plate svg {
  width: 46%;
  height: auto;
  color: var(--sa-ink);
  transition: color 0.4s, transform 0.55s cubic-bezier(0.2, 0.7, 0.2, 1);
}

.sa-card:hover .sa-plate svg {
  color: var(--sa-green);
  transform: rotate(-2deg) scale(1.04);
}

.sa-card__name {
  font-family: var(--sa-serif);
  font-weight: 500;
  font-size: 18px;
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin: 0;
  font-variation-settings: "opsz" 48, "SOFT" 25, "WONK" 0;
}

.sa-card__name span {
  display: block;
  font-style: italic;
  font-weight: 400;
  color: var(--sa-ink-soft);
  font-size: 13px;
  letter-spacing: 0;
  margin-top: 3px;
}

.sa-caption {
  max-width: 1200px;
  margin: clamp(34px, 4vw, 56px) auto 0;
  padding: 0 clamp(20px, 5vw, 64px);
  font-family: var(--sa-serif);
  font-style: italic;
  font-size: 14px;
  color: var(--sa-ink-soft);
}

.sa-caption b {
  font-style: normal;
  font-weight: 500;
  color: var(--sa-ink);
  letter-spacing: 0.02em;
}

@media (max-width: 768px) {
  .sa-head {
    grid-template-columns: 1fr;
    align-items: start;
    gap: 20px;
  }
  .sa-title {
    max-width: none;
  }
  .sa-sub {
    justify-self: start;
    max-width: none;
  }
}

@media (max-width: 600px) {
  .sa-card { width: 200px; }
  .sa-title { font-size: clamp(30px, 9vw, 42px); }
}

@media (prefers-reduced-motion: reduce) {
  .sa-track--l,
  .sa-track--r {
    animation: none;
  }
  .sa-marquee {
    overflow-x: auto;
    scrollbar-width: none;
  }
  .sa-marquee::-webkit-scrollbar {
    display: none;
  }
}