/* ============================================================
   BIMINDSET — Landing page
   Direzione artistica: industrial editorial, dark, dati mono
   ============================================================ */

/* ---------- Tokens ---------- */
:root {
  /* Superfici (da riferimento Asteria: dark quasi mono) */
  --ink:        #101113;
  --ink-2:      #16171a;
  --paper:      #f2f1ed;
  --paper-2:    #e9e8e3;

  /* Testo */
  --text:       #f4f3f0;
  --text-dim:   #a3a6ac;
  --text-dark:  #17181a;
  --text-dark-dim: #5d5f63;

  /* Accenti brand (dal logo: gradiente verde→ciano) */
  --green:      #4be04b;
  --cyan:       #00c4e4;
  --grad:       linear-gradient(90deg, var(--green), var(--cyan));

  /* Linee */
  --line:       rgba(244, 243, 240, 0.14);
  --line-dark:  rgba(23, 24, 26, 0.14);

  /* Tipografia */
  --font-display: "Archivo", system-ui, sans-serif;
  --font-body:    "Geist", system-ui, sans-serif;
  --font-mono:    "PT Mono", ui-monospace, monospace;

  /* Layout */
  --container:  95rem;     /* 1520px */
  --gutter:     clamp(1.25rem, 5vw, 4.5rem);
  --section-y:  clamp(5rem, 10vw, 9.5rem);

  --ease-out:   cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }

html { scroll-behavior: smooth; }
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }

body {
  font-family: var(--font-body);
  font-size: 1.125rem;          /* corpo testi: +2pt, i titoli restano invariati */
  line-height: 1.65;
  color: var(--text);
  background: var(--ink);
  -webkit-font-smoothing: antialiased;
}
@media (max-width: 47.9em) {
  body { font-size: 1.0625rem; line-height: 1.6; } /* mobile: +1pt, respira meglio */
}

img, video { display: block; max-width: 100%; height: auto; }
ul, ol { list-style: none; padding: 0; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
svg { display: block; }

/* ---------- Utilità ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.mono {
  font-family: var(--font-mono);
  font-size: 1.0625rem;   /* numerazioni/etichette: +2pt */
  letter-spacing: 0.06em;
}

.visually-hidden {
  position: absolute; width: 1px; height: 1px;
  clip-path: inset(50%); overflow: hidden; white-space: nowrap;
}

.skip-link {
  position: fixed; top: -100%; left: 1rem; z-index: 100;
  padding: 0.75rem 1.25rem;
  background: var(--green); color: var(--ink);
  font-family: var(--font-mono); font-size: 0.8125rem;
  transition: top 0.2s;
}
.skip-link:focus { top: 1rem; }

:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

/* Stato iniziale per reveal (JS li anima; fallback no-JS invisibile) */
.js [data-reveal],
.js [data-split] { opacity: 0; }
html.no-js [data-reveal],
html.no-js [data-split],
html.reduced-motion [data-reveal],
html.reduced-motion [data-split],
html.no-anim [data-reveal],
html.no-anim [data-split] { opacity: 1; }

/* ---------- Header ---------- */
.site-header {
  position: fixed; inset: 0 0 auto; z-index: 50;
  transition: background 0.3s, border-color 0.3s;
  border-bottom: 1px solid transparent;
}
.site-header.is-scrolled {
  background: rgba(16, 17, 19, 0.82);
  backdrop-filter: blur(12px);
  border-bottom-color: var(--line);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 2rem; padding-block: 0.85rem;
}
.brand img { width: clamp(118px, 13vw, 172px); height: auto; transition: opacity 0.2s; }

.site-nav ul { display: flex; gap: 2.75rem; }
.site-nav a {
  display: inline-flex; align-items: baseline; gap: 0.4rem;
  font-size: 1.1875rem; font-weight: 500; color: var(--text);
  transition: color 0.25s;
}
.site-nav a:hover { color: var(--green); }
.site-nav .mono-num {
  font-family: var(--font-mono); font-size: 0.9375rem;
  color: var(--green);
}

.nav-toggle {
  display: grid; place-content: center; gap: 6px;
  width: 44px; height: 44px;
  background: none; border: 1px solid var(--line); border-radius: 999px;
}
.nav-toggle span {
  width: 18px; height: 1.5px; background: var(--text);
  transition: transform 0.3s var(--ease-out), opacity 0.3s;
}
.nav-toggle[aria-expanded="true"] span:first-child { transform: translateY(3.75px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:last-child { transform: translateY(-3.75px) rotate(-45deg); }

@media (min-width: 64em) {
  .nav-toggle { display: none; }
  .site-nav .mono-num { display: none; }
}

/* Header su sezioni chiare: inversione a nero */
.site-header.on-light {
  background: rgba(242, 241, 237, 0.88);
  border-bottom-color: var(--line-dark);
}
.site-header.on-light .site-nav a { color: var(--text-dark); }
.site-header.on-light .site-nav a:hover { color: #1e9e50; }
.site-header.on-light .nav-toggle { border-color: var(--line-dark); }
.site-header.on-light .nav-toggle span { background: var(--text-dark); }

/* ---------- Language switcher ---------- */
.site-nav { display: flex; align-items: center; }
.lang-switch {
  display: inline-flex; align-items: center; gap: 0.6rem;
  margin-left: 2rem; padding-left: 1.5rem;
  border-left: 1px solid var(--line);
  font-size: 0.8125rem;
}
.lang-switch a,
.lang-switch .lang-current {
  color: var(--text-dim);
  text-decoration: none;
  transition: color 0.2s;
  font-size: inherit; /* stessa misura per lingua attiva e link */
}
.lang-switch a:hover { color: var(--green); }
.lang-switch .lang-current { color: var(--green); }
.site-header.on-light .lang-switch a,
.site-header.on-light .lang-current { color: var(--text-dark-dim); }
.site-header.on-light .lang-switch a:hover,
.site-header.on-light .lang-current { color: #1e9e50; }
@media (max-width: 63.9em) {
  .lang-switch {
    margin: 1.75rem 0 0; padding-left: 0;
    border-left: 0; gap: 1.5rem;
    font-size: 0.9375rem;
  }
  .lang-switch a, .lang-switch .lang-current { font-size: inherit; }
}

/* ---------- Bottoni ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  background: transparent; /* i <button> nativi sennò ereditano il grigio del browser */
  padding: 0.9rem 1.6rem;
  font-size: 0.9rem; font-weight: 500;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: transform 0.3s var(--ease-out), background 0.3s, color 0.3s, border-color 0.3s;
}
.btn:hover { transform: translateY(-2px); }

.btn-accent {
  background: var(--grad);
  color: var(--ink);
  font-weight: 600;
}
.btn-accent:hover { filter: brightness(1.08); }

.btn-ghost {
  border-color: var(--line);
  color: var(--text);
}
.btn-ghost:hover { border-color: var(--text); }

.btn-block { width: 100%; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex; flex-direction: column; justify-content: flex-end;
  overflow: hidden;
}
.hero-media, .hero-media video {
  position: absolute; inset: 0; width: 100%; height: 100%;
}
.hero-media video { object-fit: cover; }
.hero-scrim {
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(16,17,19,0.55) 0%, rgba(16,17,19,0.25) 45%, var(--ink) 100%);
}
.hero-content {
  position: relative; z-index: 1;
  padding-top: 8rem; padding-bottom: 6rem;
}
.hero-eyebrow {
  color: var(--green);
  margin-bottom: 1.5rem;
}
.hero-title {
  font-family: var(--font-display);
  font-variation-settings: "wdth" 112;
  font-weight: 640;
  font-size: clamp(2.6rem, 7.2vw, 6.2rem);
  line-height: 1.02;
  letter-spacing: -0.02em;
  text-wrap: balance;
  max-width: 20ch;
}
.hero-sub {
  max-width: 44ch;
  margin-top: 1.75rem;
  font-size: 1.1875rem;
  color: var(--text-dim);
}
.hero-actions {
  display: flex; flex-wrap: wrap; gap: 0.75rem;
  margin-top: 2.25rem;
}
.hero-meta {
  display: flex; flex-wrap: wrap; gap: clamp(1.5rem, 4vw, 4rem);
  margin-top: 3.5rem; padding-top: 1.5rem;
  border-top: 1px solid var(--line);
}
.hero-meta dt {
  color: var(--text-dim);
  font-size: clamp(0.6875rem, 0.65rem + 0.2vw, 0.8125rem);
  letter-spacing: 0.06em;
}
.hero-meta dd {
  margin: 0.25rem 0 0;
  color: var(--text);
  font-size: clamp(1.0625rem, 0.9rem + 0.9vw, 1.375rem);
}
/* Mobile: i dati in colonna, una riga "etichetta → valore" per voce */
@media (max-width: 47.99em) {
  .hero-content { padding-top: 7rem; padding-bottom: 4.5rem; }
  .hero-meta {
    flex-direction: column; gap: 1rem;
    margin-top: 2.5rem; padding-top: 1.25rem;
  }
  .hero-meta div { display: flex; align-items: baseline; gap: 0.875rem; }
  .hero-meta dd { margin: 0; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn {
    width: 100%;
    text-align: center;
    justify-content: center;
  }
}

.scroll-hint {
  position: absolute; right: var(--gutter); bottom: 1.5rem; z-index: 1;
  color: var(--text-dim);
}
@media (max-width: 47.9em) { .scroll-hint { display: none; } }

/* ---------- Sezioni ---------- */
.section { padding-block: var(--section-y); }
.section-light {
  background: var(--paper);
  color: var(--text-dark);
}
.section-light :focus-visible { outline-color: var(--green); }

.section-head { max-width: 46rem; margin-bottom: clamp(3rem, 6vw, 5rem); }
.section-label {
  color: var(--green);
  margin-bottom: 1.25rem;
}
.section-light .section-label { color: #1e9e50; }
.section-title {
  font-family: var(--font-display);
  font-variation-settings: "wdth" 108;
  font-weight: 600;
  font-size: clamp(2rem, 4.6vw, 3.75rem);
  line-height: 1.06;
  letter-spacing: -0.015em;
  text-wrap: balance;
}
.section-lead {
  margin-top: 1.5rem;
  font-size: 1.1875rem;
  color: var(--text-dim);
  max-width: 52ch;
}
.section-light .section-lead { color: var(--text-dark-dim); }

/* ---------- 01 Chi siamo: layout + dashboard live ---------- */
.about-grid { display: grid; gap: 3rem; }
@media (min-width: 64em) {
  .about-grid { grid-template-columns: 1.15fr 0.85fr; gap: 5rem; align-items: start; }
}
.about-main .section-head { margin-bottom: 2.5rem; }

.about-panel { position: sticky; top: 6.5rem; }
@media (max-width: 63.9em) { .about-panel { position: static; } }

.dash-panel {
  background: var(--ink);
  color: var(--text);
  border-radius: 4px;
  padding: 1.5rem;
  box-shadow: 0 24px 48px -24px rgba(23, 24, 26, 0.35);
  margin-top: 79px;
}
.dash-head {
  display: flex; justify-content: space-between; align-items: center;
  color: var(--text-dim);
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--line);
}
.dash-live {
  display: inline-flex; align-items: center; gap: 0.45rem;
  color: var(--green);
}
.dash-dot {
  width: 7px; height: 7px; border-radius: 999px;
  background: var(--green);
  animation: dash-pulse 1.6s ease-in-out infinite;
}
@keyframes dash-pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(75, 224, 75, 0.5); }
  50% { opacity: 0.55; box-shadow: 0 0 0 6px rgba(75, 224, 75, 0); }
}
html.reduced-motion .dash-dot { animation: none; }

[data-dashboard] {
  width: 100%; height: 220px;
  display: block;
}

.dash-stats {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}
.dash-stats dt { font-size: 0.625rem; color: var(--text-dim); }
.dash-stats dd {
  margin: 0.25rem 0 0;
  font-size: 0.875rem;
  color: var(--text);
  font-variant-numeric: tabular-nums;
}
.dash-caption {
  margin-top: 0.75rem;
  color: var(--text-dark-dim);
}

/* ---------- 01 Chi siamo: lista editoriale ---------- */
.editorial-list { border-top: 1px solid var(--line-dark); }
.editorial-row {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas: "num title" "num body";
  column-gap: clamp(1.5rem, 4vw, 4rem);
  padding-block: 2.25rem;
  border-bottom: 1px solid var(--line-dark);
}
.row-num { grid-area: num; color: #1e9e50; padding-top: 0.4rem; }
.editorial-row h3 {
  grid-area: title;
  font-family: var(--font-display);
  font-variation-settings: "wdth" 105;
  font-size: clamp(1.4rem, 2.6vw, 2rem);
  font-weight: 600;
  letter-spacing: -0.01em;
}
.editorial-row p {
  grid-area: body;
  max-width: 58ch;
  margin-top: 0.75rem;
  color: var(--text-dark-dim);
}
@media (min-width: 48em) {
  .editorial-row {
    grid-template-columns: auto minmax(0, 18ch) 1fr;
    grid-template-areas: "num title body";
    align-items: start;
  }
  .editorial-row p { margin-top: 0; }
}

/* ---------- 02 Il mining ---------- */
.mining-grid {
  display: grid; gap: 3rem;
}
@media (min-width: 64em) {
  .mining-grid { grid-template-columns: 1.2fr 0.8fr; gap: 5rem; }
}

.mining-steps {
  counter-reset: step;
  --step-size: 2.75rem;
  position: relative;
}
/* Rail verticale a gradiente: collega i badge 01 → 04 (il flusso) */
.mining-steps::before {
  content: '';
  position: absolute;
  left: calc(var(--step-size) / 2);
  top: 2.4rem; bottom: 2.4rem;
  width: 2px; transform: translateX(-50%);
  background: linear-gradient(180deg, var(--green), var(--cyan));
  opacity: 0.3;
}
.mining-steps li {
  position: relative;
  display: flex; gap: clamp(1.25rem, 2.5vw, 2rem);
  padding-block: clamp(1.75rem, 3vw, 2.5rem);
}
/* Separatore: parte dopo la colonna dei badge, senza incrociare il rail */
.mining-steps li + li::after {
  content: '';
  position: absolute;
  left: calc(var(--step-size, 2.75rem) + clamp(1.25rem, 2.5vw, 2rem));
  right: 0; top: 0; height: 1px;
  background: var(--line);
}
.step-num,
.flow-num {
  flex: 0 0 auto;
  width: var(--step-size, 2.75rem); height: var(--step-size, 2.75rem);
  display: grid; place-items: center;
  border-radius: 50%;
  font-size: clamp(0.875rem, 0.8rem + 0.3vw, 1rem);
  color: var(--cyan);
  border: 1px solid transparent;
  background:
    radial-gradient(circle at 30% 25%, rgba(0, 196, 228, 0.14), transparent 70%) padding-box,
    linear-gradient(var(--ink-2), var(--ink-2)) padding-box,
    linear-gradient(135deg, var(--green), var(--cyan)) border-box;
  box-shadow: 0 0 18px rgba(0, 196, 228, 0.15);
  position: relative; z-index: 1; /* il badge copre il rail */
}
.mining-steps h3 {
  font-family: var(--font-display);
  font-size: clamp(1.375rem, 1.15rem + 0.9vw, 1.75rem); font-weight: 600;
}
.mining-steps p {
  margin-top: 0.5rem;
  color: var(--text-dim); max-width: 46ch;
  font-size: clamp(1.0625rem, 1rem + 0.3vw, 1.1875rem);
  line-height: 1.6;
}
.mining-steps p strong { color: var(--text); font-weight: 600; }

/* Punto 04 — il premio: badge Bitcoin */
.btc-amount {
  display: inline-flex; align-items: center; gap: 0.75rem;
  margin-top: 1.1rem;
  padding: 0.7rem 1.4rem;
  border: 1px solid rgba(247, 147, 26, 0.35);
  border-radius: 999px;
  background: rgba(247, 147, 26, 0.08);
  color: #f7931a;
  font-size: clamp(1rem, 0.95rem + 0.3vw, 1.125rem);
  letter-spacing: 0.02em;
  max-width: none;
  white-space: nowrap;
}
.btc-logo { width: clamp(1.375rem, 1.2rem + 0.5vw, 1.625rem); height: auto; flex: 0 0 auto; }
.btc-note.btc-note {
  margin-top: 0.5rem;
  font-size: 0.625rem;
  letter-spacing: 0.04em;
  color: var(--text-dim);
  max-width: none;
}
/* Mobile: pill compatta su una riga */
@media (max-width: 47.99em) {
  .btc-amount {
    font-size: 0.875rem;
    letter-spacing: 0.02em;
    gap: 0.6rem;
    padding: 0.6rem 1.1rem;
  }
  .btc-logo { width: 1.25rem; }
}
/* Schermi molto stretti: si può andare a capo senza pill gigante */
@media (max-width: 23.4em) {
  .btc-amount {
    white-space: normal;
    border-radius: 1.25rem;
    font-size: 0.8125rem;
  }
}
@media (max-width: 47.9375em) {
  .mining-steps { --step-size: 2.5rem; }
}

.scarcity {
  align-self: start;
  padding: clamp(1.75rem, 3vw, 2.75rem);
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-radius: 4px;
}
.scarcity-label { color: var(--text-dim); }
.scarcity-number {
  margin-top: 1rem;
  font-size: clamp(2.4rem, 5vw, 4rem);
  line-height: 1;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.scarcity-note {
  margin-top: 1.25rem;
  font-size: 1rem;
  color: var(--text-dim);
}
.scarcity-note strong { color: var(--text); }

/* ---------- 02 Rete Bitcoin live (canvas) ---------- */
.chain-panel {
  margin-top: 3rem;
  padding: 1.5rem;
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-radius: 4px;
}
.chain-head {
  display: flex; justify-content: space-between; align-items: baseline;
  gap: 1rem; flex-wrap: wrap;
  color: var(--text-dim);
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--line);
}
.chain-height { color: var(--text); }
.chain-height [data-chain-height] {
  color: var(--green);
  font-variant-numeric: tabular-nums;
}
[data-chain] {
  width: 100%; height: 180px;
  display: block;
}
.chain-status {
  display: flex; justify-content: space-between; gap: 1rem;
  color: var(--text-dim);
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  font-variant-numeric: tabular-nums;
}
.chain-status [data-chain-hash] { color: var(--cyan); }

/* ---------- 03 Diagramma pinned ---------- */
.section-flow {
  min-height: 100svh;
  display: flex; align-items: center;
  overflow: clip;
  position: relative;
}
.energy-wave {
  position: absolute; top: 0; left: 0;
  width: 100%; height: 55%;
  opacity: 0.9;
  pointer-events: none;
  /* sfuma verso il basso per fondersi col fondo */
  -webkit-mask-image: linear-gradient(180deg, #000 55%, transparent 100%);
  mask-image: linear-gradient(180deg, #000 55%, transparent 100%);
}
/* Mobile: l'onda resta nell'area del titolo, più discreta */
@media (max-width: 47.99em) {
  .energy-wave { height: 30%; opacity: 0.55; }
}
.section-flow > .container { position: relative; z-index: 1; }
.flow { position: relative; width: 100%; }
.flow-line {
  width: 100%; height: 60px;
  color: var(--line);
  margin-bottom: 2.5rem;
}
.flow-line-draw { stroke-dasharray: 1000; stroke-dashoffset: 1000; }
html.reduced-motion .flow-line-draw { stroke-dashoffset: 0; }

.flow-cols {
  display: grid; gap: 2rem;
}
@media (min-width: 48em) {
  .flow-cols { grid-template-columns: 1fr auto 1fr auto 1fr; }
}

.flow-col {
  --step-size: 2.5rem;
  padding: 1.75rem;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: rgba(22, 23, 26, 0.6);
}
.flow-title {
  margin-top: 1.1rem;
  font-family: var(--font-display);
  font-variation-settings: "wdth" 115;
  font-size: clamp(1.6rem, 2.6vw, 2.2rem);
  font-weight: 650;
  text-transform: uppercase;
  letter-spacing: 0.01em;
}

/* Connettori tra le fasi: linea a gradiente + pill informativa */
.flow-link {
  display: none;
  position: relative;
  align-self: center;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0 0.75rem;
}
.flow-link::before {
  content: '';
  position: absolute; left: 0; right: 0; top: 50%;
  height: 2px; transform: translateY(-50%);
  background: linear-gradient(90deg, var(--green), var(--cyan));
  opacity: 0.35;
}
.flow-link-label {
  position: relative; z-index: 1;
  padding: 0.55rem 1.15rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--ink-2);
  color: var(--text-dim);
  font-size: clamp(0.8125rem, 0.75rem + 0.35vw, 0.9375rem);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  white-space: nowrap;
}
@media (min-width: 48em) {
  .flow-link { display: flex; }
}
/* Mobile: connettori verticali tra le schede impilate */
@media (max-width: 47.9375em) {
  .flow-link {
    display: flex; flex-direction: column;
    padding: 0.5rem 0;
  }
  .flow-link::before {
    left: 50%; right: auto; top: 0; bottom: 0;
    width: 2px; height: auto; transform: translateX(-50%);
    background: linear-gradient(180deg, var(--green), var(--cyan));
  }
}
.flow-col ul { margin-top: 1.5rem; display: grid; gap: 1.25rem; }
.flow-col h4 {
  font-size: 1.125rem; font-weight: 600;
  color: var(--green);
}
.flow-col li p {
  margin-top: 0.3rem;
  font-size: 1rem; color: var(--text-dim);
}

/* ---------- Stack di carte (desktop) ---------- */
@media (min-width: 64em) {
  /* Stack 1: strategia + risorsa — sezioni a schermo pieno centrate */
  .card-stack:not(.stack-2) > section {
    position: sticky;
    top: 0;
    min-height: 100svh;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }
  .card-stack:not(.stack-2) > section > .container { width: 100%; }

  /* Stack 2: control room → operatività → modelli */
  .stack-2 > section { position: sticky; top: 0; }
  .stack-2 .break { min-height: 100svh; }
  .stack-2 .ops {
    min-height: 100svh;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }
  .stack-2 .ops > .container { width: 100%; }
}
.card-stack > section { overflow: clip; }

/* Le "carte" che coprono la precedente: angoli + ombra */
.card-cover {
  z-index: 2;
}
/* le carte devono essere opache, o il contenuto sotto traspare */
/* Sfondo griglia sottile (dal pen GSAP "Three JS and FLIP on scroll") */
.ops {
  background-color: var(--ink);
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.05) 2px, transparent 2px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 2px, transparent 2px),
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 100px 100px, 100px 100px, 20px 20px, 20px 20px;
  background-position: -2px -2px, -2px -2px, -1px -1px, -1px -1px;
}
@media (min-width: 64em) {
  .card-cover {
    border-radius: 22px 22px 0 0;
    box-shadow: 0 -32px 64px rgba(16, 17, 19, 0.4);
  }
  /* Filo sfumato su bordo superiore e lati: segue la curva degli angoli */
  .card-cover::before {
    content: '';
    position: absolute;
    inset: 0;
    padding: 1px 0 0; /* solo bordo superiore */
    border-radius: inherit;
    background: linear-gradient(90deg, var(--green), var(--cyan)) border-box;
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask: linear-gradient(#fff 0 0) content-box exclude, linear-gradient(#fff 0 0);
    pointer-events: none;
  }
}

/* ---------- Risorsa energetica: diagramma + punti ---------- */
.resource .section-head { margin-bottom: 0; }
/* #risorsa interamente scura: la scheda "sfonda" con filo brand */
#risorsa {
  background: var(--ink);
}
#risorsa .points-grid p { color: var(--text-dim); }
#risorsa .gl-line { background: rgba(242, 241, 237, 0.1); }
/* Scena full-bleed: il diagramma esce dal container e si fonde col fondo */
.conversion-panel {
  width: 100vw;
  margin-left: calc(50% - 50vw);
  margin-block: 3rem 3.5rem;
  background: var(--ink);
  overflow: hidden;
}
[data-conversion] {
  width: 100%; height: clamp(320px, 40vw, 520px);
  display: block;
}

/* Griglia decorativa fissa (solo le scritte si animano) */
.points-wrap {
  position: relative;
  padding-block: 2.75rem;
}
.points-wrap .gl-line {
  position: absolute;
  background: rgba(23, 24, 26, 0.09);
  pointer-events: none;
}
.gl-v { top: 0; bottom: 0; left: 50%; width: 1px; }
.gl-mid { top: 50%; left: 0; right: 0; height: 1px; }
@media (max-width: 47.99em) {
  .gl-v, .gl-mid { display: none; }
  .points-wrap { padding-block: 2rem; }
}

/* Punti chiave: lista editoriale con numeri grandi in gradiente */
.points-grid {
  display: grid; gap: 2.5rem;
}
@media (min-width: 48em) {
  .points-grid { grid-template-columns: 1fr 1fr; gap: 3rem 4.5rem; }
}
.points-grid li {
  display: flex; gap: 1.5rem;
}
.point-num {
  font-family: var(--font-display);
  font-size: 1.875rem;
  font-weight: 600;
  line-height: 1.15;
  padding-top: 0.1rem;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.points-grid h3 { font-size: 1.4375rem; font-weight: 600; }
.points-grid p {
  margin-top: 0.5rem;
  font-size: 1.1875rem;
  color: var(--text-dark-dim);
  max-width: 52ch;
}

.check-list { display: grid; gap: 1.75rem; }
.check-list li {
  display: flex; gap: 1rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--line-dark);
}
.check-list li:first-child { border-top: 0; padding-top: 0; }
/* Spunta "energica": anello brand + glow, usata su tutta la pagina */
.check {
  flex: none;
  display: grid; place-content: center;
  width: 2.25rem; height: 2.25rem;
  margin-top: -0.125rem;
  border-radius: 999px;
  border: 1px solid transparent;
  background:
    radial-gradient(circle at 32% 26%, rgba(75, 224, 75, 0.22), rgba(75, 224, 75, 0.05)) padding-box,
    linear-gradient(var(--ink-2), var(--ink-2)) padding-box,
    var(--grad) border-box;
  box-shadow:
    0 0 18px rgba(75, 224, 75, 0.2),
    inset 0 0 10px rgba(75, 224, 75, 0.1);
  color: var(--green);
  font-size: 1.0625rem;
  font-weight: 700;
  text-shadow: 0 0 8px rgba(75, 224, 75, 0.55);
}
.check-list h3 { font-size: 1.125rem; font-weight: 600; }
.check-list li p { margin-top: 0.35rem; color: var(--text-dark-dim); font-size: 1.0625rem; }

/* ---------- Interruzione full-bleed ---------- */
.break {
  position: relative;
  height: clamp(22rem, 60vh, 40rem);
  overflow: hidden;
  display: grid; place-items: center;
  background: var(--ink);
}
.break-bg {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  pointer-events: none;
}
.break-content { position: relative; z-index: 1; text-align: center; }
.break-eyebrow {
  font-size: 0.875rem;
  letter-spacing: 0.16em;
  color: var(--cyan);
  margin-bottom: 1.25rem;
}
.break-title {
  font-family: var(--font-display);
  font-variation-settings: "wdth" 108;
  font-weight: 640;
  font-size: clamp(2.2rem, 5.5vw, 4.5rem);
  line-height: 1.04;
  letter-spacing: -0.015em;
  text-wrap: balance;
  max-width: 18ch;
  margin-inline: auto;
  color: var(--text);
  text-shadow: 0 2px 32px rgba(16, 17, 19, 0.55);
}

/* HUD sulla foto: dati di monitoraggio (in colonna, centrati verticalmente) */
.hud {
  position: absolute; z-index: 1;
  left: var(--gutter); top: 50%;
  transform: translateY(-50%);
  display: flex; flex-direction: column;
  align-items: flex-start;
  gap: 1.25rem;
  color: var(--text);
  font-size: 1rem;
}
.hud li {
  display: flex; align-items: baseline; gap: 0.625rem;
  padding-left: 0.875rem;
  border-left: 3px solid var(--green);
}
.hud b { color: var(--text); font-weight: 400; font-variant-numeric: tabular-nums; }
@media (max-width: 47.9em) { .hud { display: none; } }

/* ---------- Ops: schede ---------- */
.ops-cards { display: grid; gap: 1.5rem; }
@media (min-width: 64em) { .ops-cards { grid-template-columns: 1fr 1fr; gap: 2rem; } }
.ops-card {
  padding: clamp(1.75rem, 3vw, 2.5rem);
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--ink-2);
  transition: transform 0.35s var(--ease-out), border-color 0.35s;
}
.ops-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 196, 228, 0.4);
}
.ops-num { color: var(--cyan); }
.ops-card h3 {
  margin-top: 1rem;
  font-family: var(--font-display);
  font-variation-settings: "wdth" 108;
  font-size: clamp(1.5rem, 2.4vw, 2rem);
  font-weight: 600;
  max-width: 20ch;
}
.ops-card > p { margin-top: 0.75rem; color: var(--text-dim); max-width: 52ch; }

.ops-stats {
  display: grid; grid-template-columns: repeat(3, auto);
  justify-content: start; gap: 2rem;
  margin-top: 2rem; padding-top: 1.5rem;
  border-top: 1px solid var(--line);
}
.ops-stats dt { font-size: 0.6875rem; color: var(--text-dim); }
.ops-stats dd { margin: 0.3rem 0 0; color: var(--green); }

.ops-partners {
  display: flex; flex-wrap: wrap; gap: 0.75rem;
  margin-top: 2rem; padding-top: 1.5rem;
  border-top: 1px solid var(--line);
}
.ops-partners li {
  padding: 0.5rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text);
}

/* ---------- 04 Modelli ---------- */
#modelli {
  position: relative;
  background: var(--ink);
}
.bits-bg, .fork-bg {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  pointer-events: none;
}
#modelli > .container { position: relative; z-index: 1; }
.models { display: grid; gap: 1.5rem; }
@media (min-width: 64em) { .models { grid-template-columns: 1fr 1fr; gap: 2rem; } }

.model-card {
  padding: clamp(1.75rem, 3vw, 2.75rem);
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--ink-2);
  transition: transform 0.35s var(--ease-out), border-color 0.35s;
}
.model-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 196, 228, 0.4);
}
.model-card-alt { background: transparent; }
.model-tag { color: var(--cyan); }
.model-card h3 {
  margin-top: 1rem;
  font-family: var(--font-display);
  font-variation-settings: "wdth" 108;
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 600;
}
.model-type { font-size: 0.8125rem; color: var(--text-dim); margin-left: 0.5rem; }
.model-desc {
  margin-top: 0.625rem;
  font-size: 1.1875rem;
  color: var(--text);
}
.model-card .check-list { margin-top: 2rem; }
.check-list-sm { gap: 1.25rem; }
.check-list-sm li p { font-size: 1.125rem; color: var(--text-dim); }

/* ---------- 05 Confronto (schede) ---------- */
.solutions {
  display: grid;
  gap: 1.5rem;
  margin-top: 3.5rem;
}
@media (min-width: 48em) { .solutions { grid-template-columns: repeat(3, 1fr); gap: 1.25rem; } }
@media (min-width: 64em) { .solutions { gap: 2rem; align-items: stretch; } }

.solution {
  position: relative;
  display: flex;
  flex-direction: column;
  background: #fbfaf7;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius, 14px);
  padding: 2.25rem 2rem;
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.35s;
}
.solution:hover {
  transform: translateY(-6px);
  box-shadow: 0 24px 48px -20px rgba(23, 24, 26, 0.25);
}

/* Variante B: titoli card in font display come i titoli di sezione */
.solution-tag {
  font-family: var(--font-display);
  font-size: clamp(1.375rem, 1.15rem + 0.9vw, 1.625rem);
  font-weight: 600;
  letter-spacing: -0.01em;
  text-transform: none;
  color: var(--text-dark);
}
.solution-who {
  margin-top: 0.4375rem;
  font-size: 0.9375rem;
  color: var(--text-dark-dim);
}

.solution-list {
  margin-top: 1.75rem;
  display: grid;
  gap: 1rem;
}
.solution-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 1.1875rem;
  line-height: 1.45;
}
.solution-list .ico {
  flex: none;
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  margin-top: 0.05rem;
  border-radius: 50%;
  font-size: 0.9375rem;
  font-weight: 700;
}
.solution-list li.ok .ico {
  border: 1px solid transparent;
  background:
    radial-gradient(circle at 32% 26%, rgba(30, 158, 80, 0.14), rgba(30, 158, 80, 0.03)) padding-box,
    linear-gradient(#fbfaf7, #fbfaf7) padding-box,
    var(--grad) border-box;
  color: #1e9e50;
  box-shadow: 0 0 14px rgba(30, 158, 80, 0.18);
}
.solution-list li.ok { color: var(--text-dark); }
.solution-list li.ko .ico {
  border: 1px solid transparent;
  background:
    radial-gradient(circle at 32% 26%, rgba(224, 100, 30, 0.14), rgba(224, 100, 30, 0.03)) padding-box,
    linear-gradient(#fbfaf7, #fbfaf7) padding-box,
    linear-gradient(135deg, #e0641e, #c2410c) border-box;
  color: #c2410c;
  box-shadow: 0 0 14px rgba(224, 100, 30, 0.16);
}
.solution-list li.ko { color: var(--text-dark-dim); }

.solution-verdict {
  margin-top: auto;
  padding-top: 2rem;
  font-family: var(--font-display);
  font-size: 1.4375rem;
  font-weight: 600;
  color: var(--text-dark);
}

/* Card consigliata: bordo gradiente + badge, rialzata rispetto alle altre */
.solution-hero {
  background:
    linear-gradient(var(--ink), var(--ink)) padding-box,
    linear-gradient(135deg, var(--green), var(--cyan)) border-box;
  border: 1px solid transparent;
  color: #f2f1ed;
}
@media (min-width: 48em) {
  .solution-hero {
    margin: -1.75rem 0;
    padding-top: 3.25rem;
    padding-bottom: 3.25rem;
    box-shadow: 0 32px 64px -24px rgba(0, 0, 0, 0.45);
  }
  .solution-hero .solution-list { margin-top: 2.25rem; }
}
.solution-hero .solution-tag,
.solution-hero .solution-verdict { color: #f2f1ed; }
.solution-hero .solution-who { color: rgba(242, 241, 237, 0.6); }
.solution-hero .solution-list li { color: rgba(242, 241, 237, 0.88); }
.solution-hero .solution-list li.ok .ico {
  background:
    radial-gradient(circle at 32% 26%, rgba(75, 224, 75, 0.22), rgba(75, 224, 75, 0.05)) padding-box,
    linear-gradient(var(--ink), var(--ink)) padding-box,
    var(--grad) border-box;
  color: var(--green);
  text-shadow: 0 0 8px rgba(75, 224, 75, 0.55);
  box-shadow: 0 0 16px rgba(75, 224, 75, 0.22);
}
.solution-hero:hover { box-shadow: 0 28px 56px -20px rgba(0, 196, 228, 0.35); }

.solution-badge {
  position: absolute;
  top: -0.875rem;
  left: 50%;
  transform: translateX(-50%);
  white-space: nowrap;
  padding: 0.4375rem 1.125rem;
  border-radius: 999px;
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink);
  background: linear-gradient(90deg, var(--green), var(--cyan));
}

/* Card fai-da-te: tratteggiata, attenuata */
.solution-diy {
  background: transparent;
  border: 1px dashed rgba(23, 24, 26, 0.35);
}
.solution-diy:hover {
  transform: none;
  box-shadow: none;
  border-color: rgba(224, 100, 30, 0.5);
}
.solution-diy .solution-verdict { color: var(--text-dark-dim); font-size: 1.25rem; }

/* ---------- CTA ---------- */
.cta {
  position: relative;
  background: var(--ink-2);
  overflow: clip;
}
.cta-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}
.cta .container { position: relative; }

/* ---------- Sfondo ambientale (Aurora) ---------- */
#chi-siamo { position: relative; overflow: clip; }
.ambient-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}
#chi-siamo > .container { position: relative; }
/* Griglia: testo a sinistra, email sulla stessa riga del paragrafo */
.cta-grid { display: grid; }
.cta-side { margin-top: 2.5rem; }
@media (min-width: 64em) {
  .cta-grid {
    grid-template-columns: 1.1fr 0.9fr;
    grid-template-rows: auto auto 1fr;
    gap: 0 6rem;
  }
  .cta-grid > .section-label { grid-column: 1; grid-row: 1; }
  .cta-grid > .section-title { grid-column: 1; grid-row: 2; }
  .cta-grid > .section-lead { grid-column: 1; grid-row: 3; }
  .cta-grid > .cta-side {
    grid-column: 2;
    grid-row: 3;
    justify-self: end;
    margin-top: 1.5rem; /* come il margine del paragrafo */
  }
}

/* CTA a destra (l'email visibile vive solo nel footer) */
.cta-side { display: flex; }
@media (min-width: 64em) { .cta-side { justify-content: flex-end; } }
.cta-side .btn-accent { padding: 1.15rem 2.75rem; font-size: 1.125rem; font-weight: 700; }
/* Mobile: la CTA resta su una riga, a larghezza piena */
@media (max-width: 47.99em) {
  .cta-side .btn-accent {
    width: 100%;
    white-space: nowrap;
    text-align: center;
    padding: 1.05rem 1rem;
    font-size: clamp(0.75rem, 2.2vw + 0.3rem, 1.0625rem);
  }
}

.cta-form {
  display: grid; gap: 1.5rem;
  align-content: start;
}
.field { display: grid; gap: 0.5rem; }
.field label {
  font-family: var(--font-mono);
  font-size: 0.75rem; letter-spacing: 0.06em;
  color: var(--text-dim);
}
.field input, .field select {
  width: 100%;
  padding: 0.9rem 1rem;
  font: inherit; font-size: 1rem;
  color: var(--text);
  background: var(--ink);
  border: 1px solid var(--line);
  border-radius: 4px;
  transition: border-color 0.2s;
}
.field select { appearance: none; }
.field input::placeholder { color: var(--text-dim); opacity: 0.7; }
.field input:focus, .field select:focus {
  outline: none;
  border-color: var(--green);
}
.field input:focus-visible, .field select:focus-visible { outline: 2px solid var(--cyan); outline-offset: 2px; }

.form-note { color: var(--text-dim); font-size: 0.8125rem; text-align: center; }
.form-status { font-size: 1rem; text-align: center; color: var(--green); min-height: 1.4em; }
.form-status.is-error { color: #ff8a5c; }

/* ---------- Footer ---------- */
.site-footer .mono { font-size: 0.875rem; }
.site-footer {
  border-top: 1px solid var(--line);
  padding-block: 3.5rem 2rem;
}
.footer-grid {
  display: grid; gap: 2.5rem;
}
@media (min-width: 48em) { .footer-grid { grid-template-columns: auto 1fr auto; align-items: start; } }
.footer-nav { display: grid; gap: 0.5rem; }
.footer-nav a { color: var(--text-dim); transition: color 0.25s; }
.footer-nav a:hover { color: var(--text); }
.footer-info { color: var(--text-dim); display: grid; gap: 0.35rem; text-align: right; }
.footer-info a { color: var(--green); }
.footer-info a:hover { color: var(--cyan); }
.footer-legal {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem;
  margin-top: 3rem; padding-top: 1.5rem;
  border-top: 1px solid var(--line);
  color: var(--text-dim);
}
.footer-legal a { text-decoration: underline; text-underline-offset: 3px; }

/* ---------- Mobile nav ---------- */
.nav-bg { display: none; } /* il canvas di sfondo esiste solo nel menu mobile */
@media (max-width: 63.9em) {
  /* A menu aperto il backdrop-filter dell'header va rimosso: crea un
     containing block per i fixed e confina l'overlay nella barra */
  body.nav-open .site-header {
    background: transparent;
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
    border-bottom-color: transparent;
  }
  .site-nav {
    position: fixed; inset: 0;
    display: grid; place-content: center;
    background: rgba(16, 17, 19, 0.97);
    opacity: 0; pointer-events: none;
    transition: opacity 0.3s;
  }
  .site-nav.is-open { opacity: 1; pointer-events: auto; }
  .nav-bg {
    display: block;
    position: absolute; inset: 0;
    width: 100%; height: 100%;
    pointer-events: none;
  }
  .site-nav ul { flex-direction: column; gap: 2rem; text-align: center; position: relative; z-index: 1; }
  .site-nav ul a {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 1.4rem + 2.5vw, 2.25rem);
    font-weight: 600;
    color: var(--text);
  }
  .site-nav .mono-num { display: inline; color: var(--cyan); margin-right: 0.9rem; font-family: var(--font-mono); font-size: 0.8125rem; }
  .nav-cta { display: inline-flex; margin-top: 1.25rem; }
}
body.nav-open { overflow: hidden; }

/* ---------- Cookie consent ---------- */
.consent {
  position: fixed; right: 1rem; left: auto; bottom: 1rem; z-index: 90;
  display: flex; flex-direction: column; align-items: stretch; gap: 1rem;
  width: min(calc(100vw - 2rem), 18.75rem);
  padding: 1.1rem 1.25rem;
  background: rgba(22, 23, 26, 0.96);
  border: 1px solid var(--line);
  border-radius: 10px;
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.45);
  opacity: 0; transform: translateY(12px);
  transition: opacity 0.35s, transform 0.35s;
}
.consent.is-visible { opacity: 1; transform: none; }
.consent-text { font-size: 0.9rem; color: var(--text-dim); max-width: 52ch; }
.consent-actions { display: flex; gap: 0.6rem; flex: 0 0 auto; }
.consent .btn { padding: 0.6rem 1.4rem; font-size: 0.9rem; }
.consent-reset {
  background: none; border: 0; padding: 0;
  font: inherit; color: inherit;
  cursor: pointer;
  text-decoration: underline; text-underline-offset: 3px;
  transition: color 0.2s;
}
.consent-reset:hover { color: var(--green); }
@media (max-width: 47.99em) {
  .consent { flex-direction: column; align-items: stretch; gap: 1rem; padding: 1.1rem 1.25rem; }
  .consent-actions .btn { flex: 1; justify-content: center; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}