/* ============================================================
   LANDING — REALIZZAZIONE SITI WEB (extra, NO API values)
   ============================================================ */

/* HERO */
.siti-hero__shell{
  border-radius:22px;
  background:
    radial-gradient(920px 520px at 18% 18%, rgba(36,86,216,.14), rgba(255,255,255,0) 60%),
    radial-gradient(680px 460px at 84% 28%, rgba(15,23,42,.10), rgba(255,255,255,0) 60%),
    linear-gradient(180deg, rgba(255,255,255,.92), rgba(255,255,255,.82));
  border:1px solid rgba(15,23,42,.08);
  box-shadow:0 20px 60px rgba(15,23,42,.10);
  backdrop-filter: blur(10px);
}

.siti-hero__img{
  filter: drop-shadow(0 26px 40px rgba(15,23,42,.16));
  transform: translateY(2px);
}

/* BUTTONS */
.siti-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  border-radius:9999px;
  line-height:1;
  user-select:none;
  -webkit-tap-highlight-color: transparent;
  transition: transform .15s ease, box-shadow .15s ease, background-color .15s ease, border-color .15s ease;
}

.siti-btn__text{
  font-weight:900;
  letter-spacing:.25px;
  font-size:.85rem;
}

.siti-btn--primary{
  background: rgba(15,23,42,.94);
  box-shadow:0 14px 34px rgba(15,23,42,.20);
}

.siti-btn--primary:hover{
  transform: translateY(-1px);
  box-shadow:0 18px 42px rgba(15,23,42,.26);
}

.siti-btn--ghost{
  background: rgba(255,255,255,.86);
}

.siti-btn--ghost:hover{
  transform: translateY(-1px);
  border-color: rgba(36,86,216,.30) !important;
  box-shadow:0 14px 32px rgba(15,23,42,.12);
}

/* CARDS */
.siti-card{
  border-radius:22px;
  background:
    radial-gradient(760px 420px at 22% 18%, rgba(36,86,216,.10), rgba(255,255,255,0) 60%),
    linear-gradient(180deg, rgba(255,255,255,.90), rgba(255,255,255,.82));
  border:1px solid rgba(15,23,42,.08);
  box-shadow:0 18px 54px rgba(15,23,42,.08);
  backdrop-filter: blur(10px);
}

.siti-card--process{
  background:
    radial-gradient(760px 420px at 78% 18%, rgba(15,23,42,.08), rgba(255,255,255,0) 60%),
    radial-gradient(820px 520px at 22% 86%, rgba(36,86,216,.10), rgba(255,255,255,0) 60%),
    linear-gradient(180deg, rgba(255,255,255,.90), rgba(255,255,255,.82));
}

/* PLATFORM */
.siti-platform__shell{
  border-radius:22px;
  background:
    radial-gradient(900px 520px at 18% 22%, rgba(36,86,216,.12), rgba(255,255,255,0) 62%),
    radial-gradient(680px 460px at 84% 30%, rgba(15,23,42,.09), rgba(255,255,255,0) 60%),
    linear-gradient(180deg, rgba(255,255,255,.90), rgba(255,255,255,.82));
  border:1px solid rgba(15,23,42,.08);
  box-shadow:0 18px 54px rgba(15,23,42,.08);
  backdrop-filter: blur(10px);
}

.siti-platform__img{
  filter: drop-shadow(0 22px 36px rgba(15,23,42,.14));
}

/* CTA */
.siti-cta__shell{
  border-radius:22px;
  background:
    radial-gradient(900px 520px at 22% 22%, rgba(36,86,216,.14), rgba(255,255,255,0) 62%),
    linear-gradient(180deg, rgba(255,255,255,.90), rgba(255,255,255,.82));
  border:1px solid rgba(15,23,42,.08);
  box-shadow:0 18px 54px rgba(15,23,42,.08);
  backdrop-filter: blur(10px);
}

/* ============================================================
   HERO — GAStack (NO img, NO svg)
   ============================================================ */

.siti-stack{
  position:relative;
}

/* glow morbido dietro */
.siti-stack__glow{
  position:absolute;
  inset:-40px -30px -30px -30px;
  background:
    radial-gradient(320px 220px at 30% 40%, rgba(36,86,216,.22), transparent 60%),
    radial-gradient(260px 200px at 70% 30%, rgba(15,23,42,.14), transparent 60%);
  filter: blur(12px);
  opacity:.9;
  pointer-events:none;
}

.siti-stack__card{
  position:absolute;
  box-shadow: 0 18px 44px rgba(15,23,42,.12);
  backdrop-filter: blur(12px) saturate(140%);
  -webkit-backdrop-filter: blur(12px) saturate(140%);
}

/* inclinazioni stack */
.siti-stack__card--a{ transform: rotate(-6deg); opacity:.88; }
.siti-stack__card--b{ transform: rotate(-2deg); }
.siti-stack__card--c{ transform: rotate(2deg); }

/* dot top-right */
.siti-stack__dot{
  width:18px;
  height:18px;
  border-radius:9999px;
  border:2px solid rgba(36,86,216,.45);
  box-shadow:0 10px 22px rgba(36,86,216,.10);
  display:inline-block;
}

/* badge “SEO-ready” */
.siti-stack__badge{
  width:10px;
  height:10px;
  border-radius:9999px;
  background: rgba(36,86,216,.90);
  box-shadow:0 10px 18px rgba(36,86,216,.18);
  display:inline-block;
}

/* wireframe grid */
.siti-stack__grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:10px;
}
.siti-stack__box{
  height:54px;
  border-radius:12px;
  border:1px solid rgba(15,23,42,.08);
  background:
    linear-gradient(180deg, rgba(248,249,251,1), rgba(255,255,255,1));
}

/* code lines */
.siti-stack__code{
  display:flex;
  flex-direction:column;
  gap:10px;
}
.siti-stack__line{
  display:block;
  height:10px;
  border-radius:9999px;
  background: rgba(15,23,42,.08);
}
.siti-stack__line--short{ width:58%; }
.siti-stack__line--mid{ width:78%; }

/* live preview */
.siti-stack__preview{
  display:flex;
  flex-direction:column;
  gap:12px;
}
.siti-stack__hero{
  height:86px;
  border-radius:14px;
  border:1px solid rgba(15,23,42,.08);
  background:
    radial-gradient(220px 120px at 30% 40%, rgba(36,86,216,.18), transparent 60%),
    linear-gradient(180deg, rgba(248,249,251,1), rgba(255,255,255,1));
}
.siti-stack__row{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:10px;
}
.siti-stack__mini{
  height:54px;
  border-radius:12px;
  border:1px solid rgba(15,23,42,.08);
  background: rgba(15,23,42,.04);
}
.siti-stack__cta{
  height:40px;
  border-radius:9999px;
  border:1px solid rgba(36,86,216,.18);
  background: rgba(36,86,216,.12);
}

/* responsive */
@media (max-width: 980px){
  .siti-hero__shell{ padding:52px 26px 44px 26px !important; }
  .siti-hero__visual{ --mw:520px !important; }
  .siti-hero__img{
    max-width:520px !important;
    width:min(520px, 100%) !important;
    transform:none;
  }
}

@media (max-width: 780px){
  .siti-hero__shell{ padding:44px 20px 36px 20px !important; }
  .siti-hero__visual{ --mw:420px !important; margin:0 auto !important; }
  .siti-hero__img{
    max-width:420px !important;
    width:min(420px, 100%) !important;
  }
  .siti-stack{ height:320px !important; }
}

@media (prefers-reduced-motion: reduce){
  .siti-btn{ transition:none; }
  .siti-hero__img{ transform:none; }
}