/* Easy Italia Hub — tema scuro (override delle variabili di palette).
   Attivato da html[data-theme="dark"]; il toggle vive in eih-theme.js. */
html[data-theme="dark"]{
  color-scheme:dark;
  --bg-deep:#161412;
  --bg-base:#1a1815;
  --bg-elevated:#211e1a;
  --surface:rgba(243,241,236,0.05);
  --surface-hover:rgba(243,241,236,0.09);
  --border:rgba(180,172,158,0.16);
  --border-bright:rgba(180,172,158,0.32);
  --taupe:#a99c89;
  --coral:#ff6a47;
  --gold:#b9aa8d;--gold-dim:rgba(185,170,141,0.16);
  --blue:#b9aa8d;--blue-deep:#d6c9ab;--blue-glow:rgba(185,170,141,0.20);
  --green:#3fcf7c;--green-dim:rgba(63,207,124,0.14);
  --ink:#f3f1ec;
  --fg:#eceae4;--fg-secondary:#b6afa4;--fg-muted:#8e877b;
}
/* unici colori chiari non variabilizzati */
html[data-theme="dark"] #bg,html[data-theme="dark"] #particles{background:
  radial-gradient(1100px 700px at 18% 12%, rgba(185,170,141,0.07), transparent 60%),
  radial-gradient(900px 600px at 85% 80%, rgba(255,106,71,0.05), transparent 60%),
  linear-gradient(180deg,#1c1916 0%, #161412 100%)}
html[data-theme="dark"] .lang-menu{background:#211e1a}
html[data-theme="dark"] .modal{background:#211e1a}
html[data-theme="dark"] #eihp-box{background:#211e1a}
html[data-theme="dark"] #eihp-in{color:#eceae4}
html[data-theme="dark"] #eihp-fab,html[data-theme="dark"] #eiht-fab{background:rgba(33,30,26,.92)}
html[data-theme="dark"] #eihp-fab svg,html[data-theme="dark"] #eiht-fab svg{stroke:#f3f1ec}
html[data-theme="dark"] .eihp-it{color:#eceae4}

/* pulsante toggle (sopra il pulsante ricerca) */
#eiht-fab{position:fixed;left:18px;bottom:74px;width:46px;height:46px;border-radius:50%;
  border:1px solid rgba(118,118,118,.3);background:rgba(243,241,236,.92);backdrop-filter:blur(10px);
  cursor:pointer;z-index:9000;display:flex;align-items:center;justify-content:center;
  box-shadow:0 4px 18px rgba(22,20,18,.14);transition:transform .25s cubic-bezier(.16,1,.3,1)}
#eiht-fab:hover{transform:scale(1.08)}
#eiht-fab svg{width:19px;height:19px;stroke:#161412;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
#eiht-fab .sun{display:none}
html[data-theme="dark"] #eiht-fab .sun{display:block}
html[data-theme="dark"] #eiht-fab .moon{display:none}
@media(max-width:640px){#eiht-fab{bottom:140px}}

/* ─── nuove sezioni: dark mode overrides ─── */
html[data-theme="dark"] .problem-section{background:#0d0c0a}
html[data-theme="dark"] .step{background:rgba(243,241,236,.04)}
html[data-theme="dark"] .testimonial{background:rgba(243,241,236,.04)}
html[data-theme="dark"] .screenshot-card{background:var(--bg-elevated)}
html[data-theme="dark"] .sol-card{background:rgba(243,241,236,.05)}
html[data-theme="dark"] .mission-visual{box-shadow:0 32px 80px rgba(0,0,0,.4)}
html[data-theme="dark"] .card{background:rgba(30,28,25,0.80);border-color:rgba(255,255,255,0.08)}
html[data-theme="dark"] .card:nth-child(1) .card-img{background:linear-gradient(145deg,rgba(30,58,138,.55) 0%,rgba(29,78,216,.35) 100%)}
html[data-theme="dark"] .card:nth-child(2) .card-img{background:linear-gradient(145deg,rgba(76,29,149,.55) 0%,rgba(109,40,217,.35) 100%)}
html[data-theme="dark"] .card:nth-child(3) .card-img{background:linear-gradient(145deg,rgba(20,83,45,.55) 0%,rgba(22,163,74,.30) 100%)}
html[data-theme="dark"] .card:nth-child(4) .card-img{background:linear-gradient(145deg,rgba(120,53,15,.55) 0%,rgba(217,119,6,.30) 100%)}

html[data-theme="dark"] .partner-inner{background:rgba(33,30,26,.72)}
html[data-theme="dark"] .pcard{background:rgba(243,241,236,.04)}
html[data-theme="dark"] .pcard:hover{background:rgba(243,241,236,.07)}

/* transizione morbida durante lo switch (classe momentanea) */
html.theme-anim,html.theme-anim *{transition:background-color .3s ease,color .3s ease,border-color .3s ease!important}