/* =============================================
   CASI-DI-SUCCESSO.CSS
   Landing: Casi di successo
   ============================================= */

/* -----------------------------------------------
   HERO
----------------------------------------------- */
.cs-hero {
  padding-top: calc(var(--navbar-h) + var(--sp-xl));
  padding-bottom: var(--sp-xl);
  background: var(--c-bg);
}

.cs-hero__inner {
  max-width: 780px;
}

.cs-hero__title {
  font-size: clamp(34px, 4vw, 54px);
  line-height: 1.08;
  margin-bottom: var(--sp-md);
}

.cs-hero__desc {
  font-size: var(--t-md);
  color: var(--c-gray);
  line-height: 1.75;
  margin-bottom: var(--sp-lg);
}

/* Filtri */
.cs-hero__filters {
  display: flex;
  gap: var(--sp-xs);
  flex-wrap: wrap;
}

.cs-filter-btn {
  font-family: var(--f-body);
  font-size: var(--t-sm);
  font-weight: 700; /* Più marcato */
  padding: 10px 22px; /* Leggermente più grandi */
  border: 1.5px solid var(--c-border);
  border-radius: 24px;
  background: var(--c-white);
  color: var(--c-dark); /* Testo più scuro per massima leggibilità */
  cursor: pointer;
  transition: all var(--tr);
  white-space: nowrap;
}

.cs-filter-btn:hover {
  border-color: var(--c-orange);
  color: var(--c-orange);
  transform: translateY(-1px);
}

.cs-filter-btn--active {
  background: var(--c-orange) !important;
  border-color: var(--c-orange) !important;
  color: var(--c-white) !important;
  box-shadow: 0 4px 12px rgba(240,90,26,0.25);
}

/* -----------------------------------------------
   CASE STUDY — struttura
----------------------------------------------- */
.cs-study {
  background: var(--c-bg);
}

.cs-study--alt {
  background: var(--c-bg-alt);
}

.cs-study__inner {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: var(--sp-xl);
  align-items: start;
}

.cs-study__inner--reverse {
  grid-template-columns: 1fr 280px;
}

.cs-study__inner--reverse .cs-study__meta {
  order: 2;
}

.cs-study__inner--reverse .cs-study__content {
  order: 1;
}

/* Meta colonna */
.cs-study__meta {
  position: sticky;
  top: calc(var(--navbar-h) + 24px);
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  padding: var(--sp-lg);
  display: flex;
  flex-direction: column;
  gap: var(--sp-md);
  overflow: hidden;
  transition:
    box-shadow .35s cubic-bezier(.22,1,.36,1),
    border-color .35s ease;
}

.cs-study__meta::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 0%, rgba(255,255,255,.35) 50%, transparent 100%);
  transform: translateX(-120%);
  transition: transform .7s ease;
  pointer-events: none;
}

@media (hover: hover) {
  .cs-study__meta:hover {
    box-shadow: 0 14px 28px rgba(7,25,45,.08);
    border-color: rgba(240,90,26,.20);
  }
  .cs-study__meta:hover::after { transform: translateX(120%); }
}

.cs-study__img {
  width: 100%;
  border-radius: var(--r-md);
  overflow: hidden;
  aspect-ratio: 16/9;
  background: var(--c-bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
}

.cs-study__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.cs-study__img-ph {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: 100%;
  height: 100%;
  min-height: 130px;
  color: var(--c-gray-light);
  font-size: var(--t-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  text-align: center;
  padding: var(--sp-sm);
}

.cs-study__img-ph span:first-child { font-size: 30px; opacity: 0.45; }

.cs-study__number {
  font-family: var(--f-heading);
  font-size: 64px;
  font-weight: 800;
  color: var(--c-orange);
  line-height: 1;
}

.cs-study__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.cs-tag {
  font-size: var(--t-xs);
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.cs-tag--cyber { background: #EEF2FF; color: #3730A3; }
.cs-tag--email { background: #FEF3C7; color: #92400E; }
.cs-tag--it    { background: var(--c-orange-pale); color: var(--c-orange); }

.cs-study__profile {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.cs-profile-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.cs-profile-label {
  font-size: var(--t-xs);
  color: var(--c-gray-light);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
}

.cs-profile-value {
  font-size: var(--t-sm);
  font-weight: 600;
  color: var(--c-dark);
}

/* Contenuto colonna */
.cs-study__content {
  display: flex;
  flex-direction: column;
  gap: var(--sp-lg);
}

.cs-study__title {
  font-size: clamp(28px, 3vw, 40px);
  line-height: 1.15;
  color: var(--c-dark);
}

.cs-study__section {
  display: flex;
  flex-direction: column;
  gap: var(--sp-sm);
}

.cs-study__section-label {
  font-family: var(--f-heading);
  font-size: var(--t-sm);
  font-weight: 700;
  color: var(--c-orange);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.cs-study__section p {
  font-size: var(--t-base);
  color: var(--c-gray);
  line-height: 1.75;
}

.cs-study__list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.cs-study__list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: var(--t-base);
  color: var(--c-gray);
  line-height: 1.5;
}

.cs-study__list li::before {
  content: '✗';
  color: #B91C1C;
  font-weight: 700;
  font-size: 13px;
  flex-shrink: 0;
  margin-top: 2px;
}

.cs-study__list--done li::before {
  content: '✓';
  color: var(--c-orange);
}

/* Risultati */
.cs-study__results {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-sm);
  background: var(--c-bg-alt);
  border-radius: var(--r-lg);
  padding: var(--sp-lg);
}

.cs-result-card {
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.cs-result-card__value {
  font-family: var(--f-heading);
  font-size: var(--t-3xl);
  font-weight: 800;
  color: var(--c-orange);
  line-height: 1;
}

.cs-result-card__label {
  font-size: var(--t-xs);
  color: var(--c-gray);
  line-height: 1.4;
}

/* Citazione */
.cs-study__quote {
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-left: 4px solid var(--c-orange);
  border-radius: var(--r-md);
  padding: var(--sp-md) var(--sp-lg);
  font-size: var(--t-md);
  color: var(--c-dark);
  font-style: italic;
  line-height: 1.65;
}

.cs-study__quote cite {
  display: block;
  margin-top: var(--sp-sm);
  font-size: var(--t-sm);
  font-style: normal;
  font-weight: 600;
  color: var(--c-gray-light);
}

/* -----------------------------------------------
   SEPARATORE
----------------------------------------------- */
.cs-separator {
  padding: 0;
}

.cs-sep-line {
  border-top: 1px solid var(--c-border);
}

/* -----------------------------------------------
   NUMERI AGGREGATI
----------------------------------------------- */
.cs-numbers__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-md);
}

.cs-number-card {
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  padding: var(--sp-lg);
  text-align: center;
  position: relative;
  overflow: hidden;
  transition:
    transform .35s cubic-bezier(.22,1,.36,1),
    box-shadow .35s cubic-bezier(.22,1,.36,1),
    border-color .35s ease,
    background .35s ease;
}

.cs-number-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 0%, rgba(255,255,255,.35) 50%, transparent 100%);
  transform: translateX(-120%);
  transition: transform .7s ease;
  pointer-events: none;
}

@media (hover: hover) {
  .cs-number-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 18px 34px rgba(7,25,45,.10);
    background: linear-gradient(180deg, #fffdfb 0%, #fff8f3 100%);
    border-color: rgba(240,90,26,.28);
  }
  .cs-number-card:hover::after { transform: translateX(120%); }
}

.cs-number-card__value {
  font-family: var(--f-heading);
  font-size: var(--t-3xl);
  font-weight: 800;
  color: var(--c-orange);
  line-height: 1;
  margin-bottom: var(--sp-sm);
}

.cs-number-card__value span {
  color: var(--c-orange);
}

.cs-number-card__label {
  font-size: var(--t-sm);
  color: var(--c-gray);
  line-height: 1.4;
}

/* -----------------------------------------------
   RESPONSIVE
----------------------------------------------- */
@media (max-width: 1024px) {
  .cs-study__inner,
  .cs-study__inner--reverse {
    grid-template-columns: 1fr;
  }

  .cs-study__inner--reverse .cs-study__meta,
  .cs-study__inner--reverse .cs-study__content {
    order: unset;
  }

  .cs-study__meta {
    position: static;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: flex-start;
    gap: var(--sp-md);
  }

  .cs-study__number { font-size: 40px; }

  .cs-study__results { grid-template-columns: repeat(2, 1fr); }
  .cs-numbers__grid  { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .cs-study__results { grid-template-columns: 1fr 1fr; }
  .cs-numbers__grid  { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
  .cs-study__results { grid-template-columns: 1fr; }
}