/* ════════════════════════════════════════════════════════════════
   FT — Offer Field (#servizi)
   Listino tipografico editorial + preview height morph.
   ════════════════════════════════════════════════════════════════ */

.offer-field__illus {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  width: min(100%, 11.5rem);
  margin-bottom: 0.15rem;
  isolation: isolate;
}

.offer-field__illus::before {
  content: "";
  position: absolute;
  inset: 8% 4% 4% 0;
  border-radius: 40% 48% 42% 50%;
  background: radial-gradient(
    ellipse at 40% 45%,
    color-mix(in srgb, var(--signal) 18%, transparent),
    transparent 68%
  );
  z-index: -1;
  opacity: 0.55;
  pointer-events: none;
  transition: opacity 0.55s var(--ease-out-expo), transform 0.7s var(--ease-out-expo);
}

.offer-field__panel.is-active .offer-field__illus::before {
  opacity: 1;
  transform: scale(1.06);
}

.ft-illust--offer {
  width: 100%;
  height: auto;
  color: var(--signal);
  opacity: 0.82;
  overflow: visible;
  transition: opacity 0.45s var(--ease-out-expo), transform 0.55s var(--ease-out-expo);
}

.offer-field__panel.is-active .ft-illust--offer {
  opacity: 1;
  transform: translateY(-3px);
}

.ft-illust--offer .ft-illust__plane {
  transition: opacity 0.45s var(--ease-out-expo);
}

.offer-field__panel.is-active .ft-illust--offer .ft-illust__pulse {
  animation: ft-offer-pulse 2.4s var(--ease-out-expo) infinite;
  transform-origin: center;
  transform-box: fill-box;
}

.offer-field__panel.is-active .ft-illust--offer .ft-illust__scan-ring {
  animation: ft-offer-spin 12s linear infinite;
  transform-origin: center;
  transform-box: fill-box;
}

@keyframes ft-offer-pulse {
  0%, 100% { opacity: 0.55; }
  50% { opacity: 1; }
}

@keyframes ft-offer-spin {
  to { transform: rotate(360deg); }
}

.offer-field {
  margin-top: clamp(1.5rem, 3vw, 2.75rem);
  display: flex;
  flex-direction: column;
  gap: clamp(1.25rem, 2.5vw, 2rem);
}

.offer-field__layout {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: clamp(1.25rem, 3vw, 2.5rem);
  align-items: stretch;
  border-top: 1px solid var(--line-strong);
}

.offer-field__list {
  position: relative;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.offer-field__list.has-active .offer-field__row:not(.is-active) {
  opacity: 0.38;
}

.offer-field__list.has-active .offer-field__row:not(.is-active):hover {
  opacity: 0.72;
}

.offer-field__row {
  appearance: none;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--line);
  color: inherit;
  cursor: pointer;
  display: grid;
  grid-template-columns: 3rem minmax(0, 1fr) 2.75rem;
  gap: 0.85rem;
  align-items: center;
  width: 100%;
  text-align: left;
  padding: clamp(1.15rem, 2.2vw, 1.6rem) 0.35rem clamp(1.15rem, 2.2vw, 1.6rem) 0.35rem;
  position: relative;
  isolation: isolate;
  transition:
    color 0.4s var(--ease-out-expo),
    opacity 0.45s var(--ease-out-expo);
  will-change: transform;
}

.offer-field__row::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    color-mix(in srgb, var(--signal) 6%, transparent),
    transparent 48%
  );
  opacity: 0;
  transition: opacity 0.45s var(--ease-out-expo);
  z-index: -1;
  pointer-events: none;
}

.offer-field__row.is-active::before,
.offer-field__row:hover::before,
.offer-field__row:focus-visible::before {
  opacity: 1;
}

.offer-field__row:hover,
.offer-field__row:focus-visible {
  color: var(--fg);
}

.offer-field__row:focus-visible {
  outline: 1px solid var(--signal);
  outline-offset: 3px;
}

.offer-field__row.is-active {
  color: var(--fg);
  opacity: 1;
}

.offer-field__num {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  color: var(--muted);
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  min-height: 1.2em;
}

.offer-field__num-inner {
  display: inline-block;
  transition: color 0.35s, transform 0.55s var(--ease-out-expo);
}

.offer-field__row.is-active .offer-field__num,
.offer-field__row.is-active .offer-field__num-inner {
  color: var(--signal);
}

@keyframes offer-num-pop {
  0% { transform: translateY(110%); opacity: 0; }
  55% { transform: translateY(-6%); opacity: 1; }
  100% { transform: translateY(0); opacity: 1; }
}

.offer-field__meta {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  min-width: 0;
}

.offer-field__tag {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  transition: color 0.35s;
}

.offer-field__row.is-active .offer-field__tag {
  color: color-mix(in srgb, var(--signal) 50%, var(--muted));
}

.offer-field__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.35rem, 0.9rem + 2.1vw, 2.35rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: color-mix(in srgb, var(--fg) 38%, transparent);
  overflow: hidden;
  transition: color 0.4s var(--ease-out-expo);
}

.offer-field__title-inner {
  display: inline-block;
  transition: transform 0.55s var(--ease-out-expo);
}

.offer-field__row.is-active .offer-field__title,
.offer-field__row:hover .offer-field__title,
.offer-field__row:focus-visible .offer-field__title {
  color: var(--fg);
}

.offer-field__row.is-active .offer-field__title-inner {
  transform: translateX(5px);
}

/* Material arrow_forward (arrow_back mirrored) */
.offer-field__hint {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  color: var(--signal);
  opacity: 0;
  transform: translateX(-10px);
  transition:
    opacity 0.45s var(--ease-out-expo),
    transform 0.55s var(--ease-out-expo);
}

.offer-field__arrow {
  width: 1.65rem;
  height: 1.65rem;
  display: block;
  overflow: visible;
  transform: rotate(-45deg);
  transform-origin: 50% 50%;
}

/* Arrow: only the selected row — never on mere hover */
.offer-field__row.is-active .offer-field__hint {
  opacity: 1;
  transform: translateX(0);
}

.offer-field__row:not(.is-active) .offer-field__hint {
  opacity: 0;
  transform: translateX(-10px);
  pointer-events: none;
}

.offer-field__row.is-active .offer-field__arrow {
  animation: offer-arrow-slide 0.55s var(--ease-out-expo);
}

@keyframes offer-arrow-slide {
  from { transform: rotate(-45deg) translateX(-5px); opacity: 0.35; }
  to { transform: rotate(-45deg) translateX(0); opacity: 1; }
}

/* Preview — glass-clear stage (no fill); overflow visible so blur isn’t clipped */
.offer-field__preview {
  position: relative;
  align-self: stretch;
  min-height: 100%;
  height: auto;
  display: flex;
  flex-direction: column;
  border: 1px solid transparent;
  border-left: 1px solid color-mix(
    in srgb,
    var(--signal) calc(var(--ft-offer-edge, 0.22) * 100%),
    var(--line)
  );
  background: transparent;
  box-shadow: none;
  padding: clamp(1.35rem, 2.6vw, 1.95rem);
  overflow: visible;
  box-sizing: border-box;
  opacity: 1;
  transition: border-left-color 0.45s var(--ease-out-expo);
}

.offer-field__index {
  position: absolute;
  top: clamp(0.6rem, 1.5vw, 1rem);
  right: clamp(0.75rem, 1.8vw, 1.25rem);
  z-index: 2;
  font-family: var(--font-mono);
  font-size: clamp(3.5rem, 2.2rem + 4vw, 6rem);
  font-weight: 500;
  letter-spacing: -0.06em;
  line-height: 0.85;
  color: var(--signal);
  pointer-events: none;
  user-select: none;
  will-change: transform, opacity, filter;
}

.offer-field__stage {
  position: relative;
  flex: 1 1 auto;
  min-height: 14rem;
  display: grid;
  align-items: center;
  overflow: visible;
  /* Room for blur(12px) halo — avoids hard crop on edges */
  padding: 1.1rem 0.85rem;
  margin: -1.1rem -0.85rem;
}

.offer-field__panel {
  grid-area: 1 / 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.95rem;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  z-index: 0;
  overflow: visible;
  will-change: opacity, transform, filter;
}

.offer-field__panel.is-active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  z-index: 1;
}

.offer-field__panel[hidden] {
  display: flex !important;
}

.offer-field__illus,
.offer-field__panel-kicker,
.offer-field__desc,
.offer-field__chips,
.offer-field__chips li {
  will-change: transform, opacity, filter;
}

.offer-field__panel-kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--signal);
}

.offer-field__desc {
  margin: 0;
  font-size: clamp(0.98rem, 0.9rem + 0.4vw, 1.08rem);
  line-height: 1.55;
  color: var(--fg);
  max-width: 36ch;
  font-weight: 450;
}

.offer-field__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  list-style: none;
  margin: 0.15rem 0 0;
  padding: 0;
}

.offer-field__chips li {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.38rem 0.58rem;
  border: 1px solid var(--line-strong);
  color: var(--muted);
  transition: border-color 0.3s, color 0.3s, background 0.3s;
}

.offer-field__panel.is-active .offer-field__chips li:hover {
  border-color: color-mix(in srgb, var(--signal) 40%, var(--line-strong));
  color: var(--fg);
  background: color-mix(in srgb, var(--signal) 6%, transparent);
}

.offer-field__note {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  color: var(--muted);
}

.offer-field__cta {
  display: grid;
  gap: 0.55rem;
  padding: clamp(1.35rem, 2.8vw, 1.85rem);
  border: 1px solid var(--line-strong);
  background: var(--bg-elevated);
  text-decoration: none;
  color: inherit;
  transition: border-color 0.35s, background 0.35s;
}

.offer-field__cta:hover {
  border-color: color-mix(in srgb, var(--signal) 45%, var(--line-strong));
  background: color-mix(in srgb, var(--signal) 6%, var(--bg-elevated));
}

.offer-field__cta-tag {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--signal);
}

.offer-field__cta-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.4rem, 1rem + 1.6vw, 2rem);
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.offer-field__cta-desc {
  max-width: 48ch;
  color: var(--fg-dim);
  line-height: 1.5;
  font-size: 0.95rem;
}

.offer-field__cta-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.35rem;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--signal);
  transition: gap 0.35s var(--ease-out-expo);
}

.offer-field__cta:hover .offer-field__cta-link {
  gap: 0.85rem;
}

@media (max-width: 900px) {
  .offer-field__layout {
    grid-template-columns: 1fr;
  }

  .offer-field__preview {
    min-height: 0;
    height: auto;
  }

  .offer-field__stage {
    min-height: 11rem;
  }

  .offer-field__index {
    font-size: clamp(2.75rem, 12vw, 4rem);
  }

  .offer-field__title {
    font-size: clamp(1.2rem, 4.5vw, 1.65rem);
  }

  .offer-field__list.has-active .offer-field__row:not(.is-active) {
    opacity: 0.62;
  }

  .offer-field__arrow {
    width: 1.45rem;
    height: 1.45rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .offer-field__panel,
  .ft-illust--offer,
  .offer-field__title-inner,
  .offer-field__hint,
  .offer-field__num-inner,
  .offer-field__arrow,
  .offer-field__illus::before,
  .offer-field__index {
    animation: none !important;
    transition: none !important;
    transform: none !important;
  }

  .offer-field__row.is-active .offer-field__num-inner {
    animation: none !important;
  }

  .ft-illust--offer .ft-illust__pulse,
  .ft-illust--offer .ft-illust__scan-ring {
    animation: none !important;
  }

  .offer-field__list.has-active .offer-field__row:not(.is-active) {
    opacity: 0.7;
  }
}