/* =========================================================
   Vallenergia — Design System
   Sito fotovoltaico · Privati & Business
   ========================================================= */

/* ---------- Design tokens ---------- */
:root {
  /* Brand — Vallenergia (dal logo ufficiale) */
  --blue-50:  #eaf5fc;
  --blue-100: #cfe7f9;
  --blue-200: #a6d3f1;
  --blue-300: #5fabe6;
  --blue:     #1A88DB;   /* blu primario */
  --blue-600: #15639D;   /* blu scuro */
  --blue-700: #114f7e;   /* blu testo su chiaro */
  --blue-900: #0b3a5e;

  /* accenti dal logo */
  --teal:       #01B0AF;  /* turchese */
  --teal-light: #03C4C5;
  --lime:      #8CDB62;   /* verde lime */
  --lime-soft: #b6e89a;
  --lime-700:  #4f8f2e;   /* lime scuro per testo su chiaro */

  --ink:       #071A2A;   /* navy tecnico */
  --ink-2:     #0B1F33;
  --ink-3:     #11314a;

  --slate:     #44606f;
  --slate-2:   #6b8392;

  --bg:        #f3f8fb;
  --bg-2:      #e7f1f7;
  --card:      #ffffff;
  --line:      rgba(7, 26, 42, .10);
  --line-2:    rgba(7, 26, 42, .06);

  /* Tipografia */
  --font-display: "Sora", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;

  /* Layout */
  --container: 1200px;
  --radius: 18px;
  --radius-lg: 28px;
  --radius-sm: 12px;

  /* Ombre */
  --shadow-sm: 0 1px 2px rgba(7,26,42,.06), 0 2px 8px rgba(7,26,42,.05);
  --shadow:    0 10px 30px -12px rgba(7,26,42,.16), 0 4px 10px -6px rgba(7,26,42,.10);
  --shadow-lg: 0 30px 70px -25px rgba(7,26,42,.32);
  --shadow-glow: 0 16px 38px -16px rgba(26,136,219,.42);

  /* Motion */
  --ease: cubic-bezier(.22,.61,.36,1);
  --ease-out: cubic-bezier(.16,1,.3,1);
  --t-fast: .25s;
  --t: .5s;
  --t-slow: .9s;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 88px; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img, svg, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; border: none; background: none; }
ul { list-style: none; padding: 0; }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; border-radius: 6px; box-shadow: 0 0 0 5px rgba(26,136,219,.16); }
::selection { background: var(--lime-soft); color: var(--ink); }

/* ---------- Tipografia ---------- */
h1, h2, h3, h4, .display {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.07;
  letter-spacing: -.02em;
  color: var(--ink);
}
h1 { font-size: clamp(2.4rem, 6vw, 4.6rem); }
h2 { font-size: clamp(1.9rem, 4vw, 3.1rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.6rem); letter-spacing: -.01em; }
p { color: var(--slate); font-size: 1.05rem; }
.lead { font-size: clamp(1.1rem, 1.6vw, 1.3rem); color: var(--slate); }

.eyebrow {
  display: inline-flex; align-items: center; gap: .55em;
  font-family: var(--font-display);
  font-weight: 600; font-size: .8rem; letter-spacing: .14em;
  text-transform: uppercase; color: var(--blue-700);
}
.eyebrow::before {
  content: ""; width: 26px; height: 2px; border-radius: 2px;
  background: linear-gradient(90deg, var(--teal), var(--lime));
}
.text-grad {
  background: linear-gradient(100deg, var(--blue-600), var(--blue) 38%, var(--teal) 112%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

/* ---------- Layout ---------- */
.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: clamp(20px, 5vw, 40px); }
.container--narrow { max-width: 820px; }
.section { padding-block: clamp(70px, 10vw, 130px); position: relative; }
.section--tight { padding-block: clamp(48px, 7vw, 90px); }
.section-head { max-width: 720px; margin-bottom: clamp(36px, 5vw, 64px); }
.section-head.center { margin-inline: auto; text-align: center; }
.section-head .lead { margin-top: 1rem; }

.grid { display: grid; gap: clamp(18px, 2.4vw, 28px); }
.cols-2 { grid-template-columns: repeat(2, 1fr); }
.cols-3 { grid-template-columns: repeat(3, 1fr); }
.cols-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px){ .cols-3, .cols-4 { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 620px){ .cols-2, .cols-3, .cols-4 { grid-template-columns: 1fr; } }

/* ---------- Bottoni ---------- */
.btn {
  --btn-bg: var(--blue);
  --btn-fg: #fff;
  display: inline-flex; align-items: center; justify-content: center; gap: .6em;
  padding: .95em 1.6em;
  font-family: var(--font-display); font-weight: 600; font-size: 1rem;
  color: var(--btn-fg); background: var(--btn-bg);
  border-radius: 999px; position: relative; isolation: isolate;
  transition: transform var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease), background var(--t-fast);
  box-shadow: var(--shadow-sm);
  white-space: nowrap;
}
.btn svg { width: 1.1em; height: 1.1em; transition: transform var(--t-fast) var(--ease); }
.btn:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.btn:hover svg { transform: translateX(4px); }
.btn:active { transform: translateY(-1px); }
.btn--primary { --btn-bg: linear-gradient(120deg, var(--blue-600), var(--blue)); box-shadow: 0 12px 28px -12px rgba(26,136,219,.7); }
.btn--lime { --btn-bg: linear-gradient(120deg, var(--lime), var(--lime-soft)); --btn-fg: var(--ink); box-shadow: var(--shadow-glow); }
.btn--ghost { --btn-bg: transparent; --btn-fg: var(--ink); box-shadow: inset 0 0 0 1.5px var(--line); }
.btn--ghost:hover { box-shadow: inset 0 0 0 1.5px var(--blue); }
.btn--light { --btn-bg: #fff; --btn-fg: var(--ink); }
.btn--lg { padding: 1.1em 2em; font-size: 1.08rem; }
.btn--block { width: 100%; }
.on-dark .btn--ghost { --btn-fg: #fff; box-shadow: inset 0 0 0 1.5px rgba(255,255,255,.38); }
.on-dark .btn--ghost:hover { box-shadow: inset 0 0 0 1.5px var(--teal-light); }
/* b-hero non ha classe .on-dark — fix esplicito per ghost sul dark hero */
.b-hero .btn--ghost { --btn-fg: #fff; box-shadow: inset 0 0 0 1.5px rgba(255,255,255,.38); color: #fff; }
.b-hero .btn--ghost:hover { box-shadow: inset 0 0 0 1.5px var(--teal-light); background: rgba(255,255,255,.06); }

.link-arrow {
  display: inline-flex; align-items: center; gap: .5em;
  font-family: var(--font-display); font-weight: 600; color: var(--blue-700);
}
.link-arrow svg { width: 1.05em; transition: transform var(--t-fast) var(--ease); }
.link-arrow:hover svg { transform: translateX(5px); }

/* ---------- Header / Nav ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  padding-block: 16px;
  transition: background var(--t), box-shadow var(--t), padding var(--t), backdrop-filter var(--t);
}
.site-header .container { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.site-header.is-scrolled {
  background: rgba(255,255,255,.82);
  backdrop-filter: saturate(180%) blur(14px);
  box-shadow: 0 1px 0 var(--line), 0 8px 30px -22px rgba(7,26,42,.4);
  padding-block: 10px;
}
.site-header.on-dark:not(.is-scrolled) { color: #fff; }
.site-header.on-dark:not(.is-scrolled) .nav a { color: rgba(255,255,255,.82); }
.site-header.on-dark:not(.is-scrolled) .nav a:hover { color: #fff; }

.brand { display: inline-flex; align-items: center; gap: 10px; }
/* Footer: logo completo (immagine) */
.brand__logo { height: 38px; width: auto; display: block; }
.brand__logo--white { display: none; }

/* Header: marchio a pallini + wordmark testuale (lockup moderno) */
.brand__mark { height: 36px; width: auto; display: block; flex: none; }
.brand__mark--white { display: none; }
.brand__word {
  font-family: var(--font-display);
  font-weight: 800; font-size: 1.28rem; letter-spacing: .015em;
  line-height: 1; color: var(--blue); white-space: nowrap;
}
/* header scuro non scrollato → marchio e wordmark bianchi; quando scrolla (sfondo bianco) tornano colorati */
.site-header.on-dark:not(.is-scrolled) .brand__logo--colored,
.site-header.on-dark:not(.is-scrolled) .brand__mark--color { display: none; }
.site-header.on-dark:not(.is-scrolled) .brand__logo--white,
.site-header.on-dark:not(.is-scrolled) .brand__mark--white { display: block; }
.site-header.on-dark:not(.is-scrolled) .brand__word { color: #fff; }
@media (max-width: 480px){
  .brand__logo { height: 32px; }
  .brand__mark { height: 31px; }
  .brand__word { font-size: 1.12rem; }
}

.nav { display: flex; align-items: center; gap: clamp(14px, 2vw, 30px); }
.nav a { font-weight: 500; font-size: .98rem; color: var(--slate); transition: color var(--t-fast); position: relative; }
.nav a:not(.btn)::after { content:""; position:absolute; left:0; bottom:-4px; height:2px; width:0; background: var(--blue); transition: width var(--t-fast) var(--ease); }
.nav a:not(.btn):hover::after { width: 100%; }
.nav a:not(.btn):hover { color: var(--ink); }
.nav .btn { padding: .6em 1.15em; font-size: .92rem; transition: transform var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease), background var(--t-fast); }
/* Fix contrasto: .nav a ha specificità più alta di .btn — dobbiamo forzare il colore del btn */
.site-header .nav .btn { color: var(--btn-fg); }
.nav-toggle { display: none; }
@media (max-width: 820px){
  .nav { position: fixed; inset: 0 0 0 auto; width: min(320px, 86vw); flex-direction: column; align-items: stretch; justify-content: center;
    gap: 8px; padding: 80px 28px; background: #fff; box-shadow: var(--shadow-lg);
    transform: translateX(110%); transition: transform var(--t) var(--ease-out); }
  .nav.open { transform: none; }
  .nav a:not(.btn) { color: var(--ink); font-size: 1.15rem; padding: 10px 4px; }
  /* bottone nel nav: usa sempre il suo colore, indipendente dall'header */
  .nav .btn { margin-top: 8px; font-size: 1.05rem; }
  .nav a:not(.btn)::after{ display:none; }
  .nav-toggle { display: inline-flex; flex-direction: column; gap: 5px; width: 44px; height: 44px; align-items: center; justify-content: center; z-index: 101; }
  .nav-toggle span { width: 24px; height: 2px; background: currentColor; border-radius: 2px; transition: transform var(--t-fast) var(--ease), opacity var(--t-fast); }
  .nav-toggle.open span:nth-child(1){ transform: translateY(7px) rotate(45deg); }
  .nav-toggle.open span:nth-child(2){ opacity: 0; }
  .nav-toggle.open span:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }
  /* solo link non-bottone vanno su ink quando il drawer è bianco */
  .site-header.on-dark:not(.is-scrolled) .nav a:not(.btn) { color: var(--ink); }
}

/* ---------- Cards ---------- */
.card {
  background: var(--card); border: 1px solid var(--line-2); border-radius: var(--radius);
  padding: clamp(24px, 3vw, 34px); box-shadow: var(--shadow-sm);
  transition: transform var(--t) var(--ease), box-shadow var(--t) var(--ease), border-color var(--t);
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: var(--blue-200); }
.card .icon {
  width: 54px; height: 54px; border-radius: 14px; display: grid; place-items: center; margin-bottom: 18px;
  background: linear-gradient(150deg, var(--blue-50), #fff);
  color: var(--blue-600); box-shadow: inset 0 0 0 1px var(--line-2);
}
.card .icon svg { width: 28px; height: 28px; }
.card h3 { margin-bottom: .5rem; }
.card p { font-size: .98rem; }

/* ---------- Pillole / badge ---------- */
.pill { display:inline-flex; align-items:center; gap:.5em; padding:.45em .9em; border-radius:999px; font-size:.85rem; font-weight:600;
  background: var(--blue-50); color: var(--blue-700); border:1px solid var(--blue-100); font-family: var(--font-display); }
.pill svg { width: 1em; height: 1em; }
.on-dark .pill { background: rgba(255,255,255,.08); color: var(--lime-soft); border-color: rgba(255,255,255,.14); }

/* ---------- Stats ---------- */
.stat .num { font-family: var(--font-display); font-weight: 800; font-size: clamp(2.4rem, 5vw, 3.6rem); line-height: 1; letter-spacing: -.03em;
  background: linear-gradient(120deg, var(--blue-600), var(--teal)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stat .label { margin-top: .5rem; color: var(--slate); font-weight: 500; }
.on-dark .stat .label { color: rgba(255,255,255,.66); }

/* ---------- Footer ---------- */
.site-footer { background: var(--ink); color: rgba(255,255,255,.7); padding-block: clamp(56px, 7vw, 88px) 32px; position: relative; overflow: hidden; }
.site-footer::before { content:""; position:absolute; top:-40%; right:-10%; width:520px; height:520px; border-radius:50%;
  background: radial-gradient(circle, rgba(140,219,98,.16), transparent 65%); pointer-events:none; }
.site-footer .container { position: relative; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; }
@media (max-width: 860px){ .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; } }
@media (max-width: 520px){ .footer-grid { grid-template-columns: 1fr; } }
.site-footer .brand { color: #fff; margin-bottom: 14px; }
.site-footer h4 { color: #fff; font-size: .9rem; letter-spacing: .12em; text-transform: uppercase; margin-bottom: 16px; font-weight: 600; }
.site-footer a { color: rgba(255,255,255,.7); transition: color var(--t-fast); display: inline-block; padding: 3px 0; }
.site-footer a:hover { color: var(--lime-soft); }
.site-footer p { color: rgba(255,255,255,.6); }
.footer-bottom { margin-top: 48px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.12);
  display:flex; flex-wrap:wrap; gap:16px; justify-content:space-between; font-size:.88rem; color: rgba(255,255,255,.55); }
.social { display:flex; gap:10px; }
.social a { width:40px; height:40px; border-radius:50%; display:grid; place-items:center; background: rgba(255,255,255,.08); }
.social a:hover { background: var(--teal); color: #fff; transition: background var(--t-fast) var(--ease), transform var(--t-fast) var(--ease); }
.social a { transition: background var(--t-fast) var(--ease), transform var(--t-fast) var(--ease); }
.social a:hover { transform: translateY(-2px); }
.social svg { width: 18px; }

/* ---------- Reveal on scroll ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity var(--t-slow) var(--ease-out), transform var(--t-slow) var(--ease-out); }
.reveal.in { opacity: 1; transform: none; will-change: auto; }
.reveal[data-delay="1"]{ transition-delay: .08s; }
.reveal[data-delay="2"]{ transition-delay: .16s; }
.reveal[data-delay="3"]{ transition-delay: .24s; }
.reveal[data-delay="4"]{ transition-delay: .32s; }
.reveal[data-delay="5"]{ transition-delay: .40s; }
@media (prefers-reduced-motion: reduce){ .reveal { opacity:1; transform:none; } }

/* ---------- Transizione di pagina ---------- */
.page-veil {
  position: fixed; inset: 0; z-index: 9999; pointer-events: none;
  background: linear-gradient(120deg, var(--ink), var(--ink-3));
  transform: scaleY(0); transform-origin: bottom; opacity: 0;
}
body.is-leaving .page-veil { animation: veilIn .5s var(--ease) forwards; pointer-events: all; }
@keyframes veilIn { from { transform: scaleY(0); opacity:.0; transform-origin: bottom; } to { transform: scaleY(1); opacity:1; } }
.page-enter { animation: pageEnter .7s var(--ease-out) both; }
@keyframes pageEnter { from { opacity: 0; transform: translateY(14px) scale(.995); } to { opacity:1; transform:none; } }
@media (prefers-reduced-motion: reduce){ .page-enter { animation: none; } body.is-leaving .page-veil { animation: none; } }

/* ---------- Hero generico ---------- */
.hero { position: relative; padding-top: clamp(140px, 18vh, 200px); padding-bottom: clamp(60px, 9vw, 110px); overflow: hidden; }
.hero__bg { position:absolute; inset:0; z-index:-1; }
.glow { position:absolute; border-radius:50%; filter: blur(60px); opacity:.5; pointer-events:none; }

/* ---------- Sezioni scure ---------- */
.on-dark { background: var(--ink); color: #fff; }
.on-dark h1, .on-dark h2, .on-dark h3, .on-dark h4 { color: #fff; }
.on-dark p, .on-dark .lead { color: rgba(255,255,255,.72); }
.on-dark .eyebrow { color: var(--lime-soft); }
.on-dark .card { background: rgba(255,255,255,.04); border-color: rgba(255,255,255,.10); box-shadow:none; }
.on-dark .card:hover { background: rgba(255,255,255,.07); border-color: rgba(255,255,255,.2); }
.on-dark .card .icon { background: rgba(140,219,98,.12); color: var(--lime-soft); box-shadow:none; }
.on-dark .card h3, .on-dark .card p { color: inherit; }
.on-dark .card p { color: rgba(255,255,255,.66); }

/* ---------- Lista check ---------- */
.checklist { display: grid; gap: 14px; }
.checklist li { display: flex; gap: 12px; align-items: flex-start; color: var(--ink); font-weight: 500; }
.checklist .tick { flex:none; width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center;
  background: var(--blue-50); color: var(--blue-600); margin-top: 1px; }
.checklist .tick svg { width: 15px; height: 15px; }
.on-dark .checklist li { color: rgba(255,255,255,.85); }
.on-dark .checklist .tick { background: rgba(140,219,98,.15); color: var(--lime-soft); }

/* ---------- Steps (timeline) ---------- */
.steps { counter-reset: step; display: grid; gap: clamp(16px,2.5vw,24px); }
.step-card { position: relative; padding-left: 76px; }
.step-card::before { counter-increment: step; content: counter(step,decimal-leading-zero);
  position: absolute; left: 0; top: -4px; font-family: var(--font-display); font-weight: 800; font-size: 1.6rem;
  width: 56px; height: 56px; border-radius: 16px; display: grid; place-items: center;
  background: linear-gradient(150deg, var(--blue-50), #fff); color: var(--blue-600); box-shadow: var(--shadow-sm); }
.step-card h3 { margin-bottom: .35rem; }

/* ---------- FAQ ---------- */
.faq-item { border-bottom: 1px solid var(--line); }
.faq-q { width: 100%; display:flex; justify-content: space-between; align-items:center; gap: 20px; text-align:left;
  padding: 22px 4px; font-family: var(--font-display); font-weight: 600; font-size: 1.12rem; color: var(--ink); }
.faq-q .chev { flex:none; width: 30px; height: 30px; border-radius: 50%; border:1px solid var(--line); display:grid; place-items:center; transition: transform var(--t) var(--ease), background var(--t), color var(--t); }
.faq-q[aria-expanded="true"] .chev { transform: rotate(45deg); background: var(--blue); color:#fff; border-color: var(--blue); }
.faq-a { overflow: hidden; height: 0; transition: height var(--t) var(--ease); }
.faq-a__inner { padding: 0 4px 22px; color: var(--slate); }

/* ---------- Form contatto ---------- */
.contact-card { background: var(--card); border-radius: var(--radius-lg); padding: clamp(26px, 4vw, 48px); box-shadow: var(--shadow); border:1px solid var(--line-2); }
.field { display: grid; gap: 8px; margin-bottom: 18px; }
.field label { font-weight: 600; font-size: .92rem; color: var(--ink); font-family: var(--font-display); }
.field input, .field select, .field textarea {
  width: 100%; padding: 14px 16px; border-radius: 12px; border: 1.5px solid var(--line);
  background: #fbfdfb; font: inherit; color: var(--ink); transition: border-color var(--t-fast), box-shadow var(--t-fast), background var(--t-fast);
}
.field textarea { min-height: 130px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 4px rgba(26,136,219,.14); background:#fff; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 560px){ .field-row { grid-template-columns: 1fr; } }
.form-note { font-size: .85rem; color: var(--slate-2); }
.form-ok { display:none; padding: 16px; border-radius: 12px; background: var(--blue-50); color: var(--blue-700); font-weight:600; border:1px solid var(--blue-100); }
.form-ok.show { display: block; }

/* ---------- CTA banner ---------- */
.cta-band { position: relative; overflow: hidden; border-radius: var(--radius-lg); padding: clamp(40px, 6vw, 80px);
  background: linear-gradient(125deg, var(--ink-2), var(--ink)); color:#fff; box-shadow: var(--shadow-lg); }
.cta-band::after { content:""; position:absolute; right:-8%; top:-30%; width:460px; height:460px; border-radius:50%;
  background: radial-gradient(circle, rgba(140,219,98,.30), transparent 62%); }
.cta-band::before { content:""; position:absolute; left:-10%; bottom:-40%; width:420px; height:420px; border-radius:50%;
  background: radial-gradient(circle, rgba(26,136,219,.30), transparent 62%); }
.cta-band > * { position: relative; }
.cta-band h2 { color:#fff; }
.cta-band p { color: rgba(255,255,255,.78); }
.cta-band .eyebrow { color: var(--lime-soft); }
.cta-band .checklist li { color: rgba(255,255,255,.9); }
.cta-band .checklist .tick { background: rgba(140,219,98,.16); color: var(--lime-soft); }

/* ---------- Utilities ---------- */
.center { text-align: center; }
.mx-auto { margin-inline: auto; }
.mt-1{margin-top:.5rem}.mt-2{margin-top:1rem}.mt-3{margin-top:1.5rem}.mt-4{margin-top:2rem}.mt-5{margin-top:2.5rem}
.maxw-60{max-width:60ch}.flex{display:flex}.items-center{align-items:center}.gap-2{gap:.5rem}.gap-3{gap:1rem}.wrap{flex-wrap:wrap}
.hide-mobile { } @media (max-width:820px){ .hide-mobile{ display:none !important; } }

/* =========================================================
   ESTENSIONI — restyling professionale
   Home B2B · esempi impianto · incentivi · processo · lead form
   ========================================================= */

/* --- Rifiniture: più solido, meno "giocoso" --- */
.card:hover { transform: translateY(-4px); }
.btn:hover { transform: translateY(-2px); }

/* --- Nota / disclaimer prudente --- */
.fineprint {
  font-size: .86rem; line-height: 1.55; color: var(--slate);
  background: var(--bg-2); border: 1px solid var(--line-2);
  border-left: 3px solid var(--blue); border-radius: 12px;
  padding: 14px 18px;
}
.fineprint strong { color: var(--ink); }
.on-dark .fineprint { background: rgba(255,255,255,.04); border-color: rgba(255,255,255,.10);
  border-left-color: var(--lime); color: rgba(255,255,255,.72); }
.on-dark .fineprint strong { color:#fff; }

/* dato da configurare prima della pubblicazione (recapiti, P.IVA…) */
.todo-data { color: var(--slate-2); font-style: italic; }

/* skip link accessibilità */
.skip-link { position: absolute; left: 12px; top: -60px; z-index: 9999; padding: 10px 16px;
  background: var(--ink); color:#fff; border-radius: 10px; font-family: var(--font-display); font-weight:600;
  transition: top var(--t-fast) var(--ease); }
.skip-link:focus-visible { top: 12px; }

/* sezione a fondo alternato per ritmo editoriale */
.section--alt { background: var(--bg-2); }
.section--alt .fineprint { background: #fff; } /* nota leggibile su fondo alternato */

/* footer mobile: colonna ordinata, compatta, niente troncamenti */
@media (max-width: 820px){ .site-footer li a { padding-block: 6px; } }
@media (max-width: 620px){
  .site-footer { padding-block: 46px 26px; }
  .footer-grid { grid-template-columns: 1fr; gap: 26px; }
  .site-footer h4 { font-size: .8rem; margin-bottom: 10px; }
  .site-footer p { font-size: .92rem; }
  .site-footer li a, .site-footer li span { font-size: .95rem; }
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: 8px; margin-top: 30px; padding-top: 20px; font-size: .82rem; }
}

/* --- Home: hero chiaro + percorsi --- */
.home-hero { background: linear-gradient(180deg, #ffffff, var(--bg)); }

/* --- Hero media: pannello tecnico/fotografico (fallback elegante senza foto) --- */
.hero-photo {
  position: relative; width: 100%; aspect-ratio: 4 / 3.05; border-radius: var(--radius-lg);
  overflow: hidden; box-shadow: var(--shadow-lg); isolation: isolate;
  background:
    linear-gradient(155deg, rgba(7,26,42,.28), rgba(7,26,42,.72)),
    var(--hero-img, none) center/cover no-repeat,
    radial-gradient(120% 95% at 80% 14%, rgba(3,196,197,.28), transparent 58%),
    linear-gradient(155deg, var(--ink-3), var(--ink) 72%);
}
@media (max-width: 920px){ .hero-photo { aspect-ratio: 16 / 10; } }
.hero-photo::before { /* griglia tecnica (texture pannelli) */
  content:""; position:absolute; inset:0; z-index:0; opacity:.55;
  background-image:
    repeating-linear-gradient(0deg, rgba(255,255,255,.07) 0 1px, transparent 1px 36px),
    repeating-linear-gradient(90deg, rgba(255,255,255,.07) 0 1px, transparent 1px 36px);
  -webkit-mask-image: linear-gradient(150deg, #000, transparent 78%); mask-image: linear-gradient(150deg, #000, transparent 78%);
}
.hero-photo::after { /* watermark marchio molto tenue (riempie il placeholder, resta sotto la foto) */
  content:""; position:absolute; inset:0; z-index:0; pointer-events:none;
  background: url('../assets/logo-mark.svg') center / clamp(130px, 40%, 250px) no-repeat;
  opacity:.07;
}
/* foto reale: copre il fallback quando carica; se va in errore il JS la rimuove e resta il fallback */
.hero-photo__img { position:absolute; inset:0; width:100%; height:100%; object-fit:cover; z-index:1; }
.hero-photo__shade { position:absolute; inset:0; z-index:1; pointer-events:none;
  background: linear-gradient(150deg, rgba(7,26,42,.5) 0%, rgba(7,26,42,.12) 42%, rgba(7,26,42,.5) 100%); }
.hero-photo--soft .hero-photo__shade {
  background: linear-gradient(150deg, rgba(7,26,42,.26) 0%, rgba(7,26,42,0) 44%, rgba(7,26,42,.22) 100%); }
.hero-photo__chip {
  position:absolute; left:16px; top:16px; z-index:2; display:inline-flex; align-items:center; gap:9px;
  padding:8px 14px; border-radius:999px; background: rgba(7,26,42,.5); backdrop-filter: blur(8px);
  border:1px solid rgba(255,255,255,.18); color:#eaf5fc; font-family:var(--font-display); font-weight:600; font-size:.82rem;
}
.hero-photo__chip .dot { width:9px; height:9px; border-radius:50%; background: var(--teal-light); box-shadow:0 0 0 4px rgba(3,196,197,.22); animation: pulseDot 2.4s ease-in-out infinite; }
@keyframes pulseDot { 0%,100%{ box-shadow:0 0 0 3px rgba(3,196,197,.28); } 50%{ box-shadow:0 0 0 7px rgba(3,196,197,.05); } }
@media (prefers-reduced-motion: reduce){ .hero-photo__chip .dot { animation:none; } }
.hero-photo__bar {
  position:absolute; left:16px; right:16px; bottom:16px; z-index:2; display:flex; align-items:center; gap:12px;
  padding:10px 14px; border-radius:12px; background: rgba(7,26,42,.5); backdrop-filter: blur(8px); border:1px solid rgba(255,255,255,.14);
}
.hero-photo__bar .spark { width:84px; height:24px; flex:none; }
.hero-photo__bar span { font-family:var(--font-display); font-weight:600; font-size:.8rem; color:#eaf5fc; }
/* variante chiara per Privati */
.hero-photo--soft {
  box-shadow: var(--shadow);
  background:
    linear-gradient(155deg, rgba(26,136,219,.05), rgba(7,26,42,.10)),
    var(--hero-img, none) center/cover no-repeat,
    radial-gradient(110% 85% at 82% 12%, rgba(140,219,98,.20), transparent 58%),
    linear-gradient(155deg, #eaf5fc, #d3e9f7);
}
.hero-photo--soft::before { opacity:.4; background-image:
  repeating-linear-gradient(0deg, rgba(7,26,42,.05) 0 1px, transparent 1px 36px),
  repeating-linear-gradient(90deg, rgba(7,26,42,.05) 0 1px, transparent 1px 36px); }
.hero-photo--soft .hero-photo__chip { background: rgba(255,255,255,.74); color: var(--blue-700); border-color: rgba(7,26,42,.10); }
.hero-photo--soft .hero-photo__bar { background: rgba(255,255,255,.74); border-color: rgba(7,26,42,.08); }
.hero-photo--soft .hero-photo__bar span { color: var(--blue-700); }
.home-hero .hero__inner { position: relative; }

/* striscia segmenti — "per chi lavoriamo" */
.segments { display:grid; grid-template-columns: repeat(6, 1fr); gap: 14px; }
@media (max-width: 900px){ .segments { grid-template-columns: repeat(3,1fr); } }
@media (max-width: 520px){ .segments { grid-template-columns: repeat(2,1fr); } }
.segment { display:flex; flex-direction:column; align-items:center; gap:10px; text-align:center;
  padding: 22px 14px; background: var(--card); border:1px solid var(--line-2);
  border-radius: var(--radius-sm); box-shadow: var(--shadow-sm);
  transition: transform var(--t) var(--ease), border-color var(--t); }
.segment:hover { transform: translateY(-4px); border-color: var(--blue-200); }
.segment .ic { width:46px; height:46px; border-radius:12px; display:grid; place-items:center;
  background: linear-gradient(150deg, var(--blue-50), #fff); color: var(--blue-600); box-shadow: inset 0 0 0 1px var(--line-2); }
.segment .ic svg { width:24px; height:24px; }
.segment span { font-family: var(--font-display); font-weight:600; font-size:.95rem; color: var(--ink); line-height:1.2; }

/* selettore percorso: business primario / privati secondario */
.paths { display:grid; grid-template-columns: 1.35fr .9fr; gap: clamp(18px,2.4vw,28px); align-items:stretch; }
@media (max-width: 820px){ .paths { grid-template-columns: 1fr; } }
.path { position:relative; display:flex; flex-direction:column; gap:10px;
  padding: clamp(28px,3.4vw,46px); border-radius: var(--radius-lg);
  border:1px solid var(--line); background: var(--card); box-shadow: var(--shadow-sm);
  transition: transform var(--t) var(--ease), box-shadow var(--t) var(--ease); }
.path:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.path .ic { width:56px; height:56px; border-radius:15px; display:grid; place-items:center; margin-bottom:4px; }
.path .ic svg { width:28px; height:28px; }
.path h3 { font-size: clamp(1.45rem,2.4vw,2rem); }
.path > p { font-size: 1rem; }
.path .path__list { display:grid; gap:9px; margin:4px 0 10px; }
.path .path__list li { display:flex; gap:9px; align-items:flex-start; color:var(--slate); font-size:.96rem; }
.path .path__list svg { width:18px; height:18px; color:var(--blue-600); flex:none; margin-top:3px; }
.path .btn { margin-top:auto; align-self:flex-start; }
.path--primary { background: linear-gradient(160deg, var(--ink-2), var(--ink)); color:#fff; border-color: transparent; box-shadow: var(--shadow-lg); }
.path--primary h3 { color:#fff; }
.path--primary > p, .path--primary .path__list li { color: rgba(255,255,255,.76); }
.path--primary .ic { background: rgba(140,219,98,.14); color: var(--lime-soft); }
.path--primary .path__list svg { color: var(--blue-300); }
.path--primary .badge-primary { position:absolute; top:20px; right:20px;
  font-family:var(--font-display); font-weight:700; font-size:.72rem; letter-spacing:.1em; text-transform:uppercase;
  color:var(--ink); background: var(--lime-soft); padding:.4em .85em; border-radius:999px; }
.path--secondary .ic { background: linear-gradient(150deg, var(--blue-50), #fff); color: var(--blue-600); box-shadow: inset 0 0 0 1px var(--line-2); }

/* --- Esempi impianto: simulazioni indicative --- */
.plans { display:grid; grid-template-columns: repeat(3,1fr); gap: clamp(16px,2.2vw,24px); align-items:stretch; }
@media (max-width: 880px){ .plans { grid-template-columns:1fr; max-width:520px; margin-inline:auto; } }
.plan { display:flex; flex-direction:column; background: var(--card); border:1px solid var(--line-2);
  border-radius: var(--radius); padding: clamp(22px,2.6vw,32px); box-shadow: var(--shadow-sm);
  transition: transform var(--t) var(--ease), box-shadow var(--t) var(--ease), border-color var(--t); }
.plan:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--blue-200); }
.plan--featured { border-color: var(--blue); box-shadow: var(--shadow); }
.plan__tag { font-family:var(--font-display); font-weight:600; font-size:.78rem; letter-spacing:.1em; text-transform:uppercase; color: var(--blue-700); }
.plan--featured .plan__tag { color: var(--lime-700); }
.plan__size { font-family:var(--font-display); font-weight:800; font-size: clamp(2.1rem,4vw,2.7rem); line-height:1; letter-spacing:-.03em; color:var(--ink); margin:6px 0 4px; }
.plan__size small { font-size:1rem; font-weight:700; color:var(--slate); letter-spacing:0; }
.plan__sub { font-size:.92rem; color:var(--slate); margin-bottom:16px; }
.plan__metrics { display:grid; margin-top:auto; border-top:1px solid var(--line-2); }
.plan__metrics .row { display:flex; justify-content:space-between; align-items:baseline; gap:14px; padding:12px 0; border-bottom:1px solid var(--line-2); }
.plan__metrics .row:last-child { border-bottom:none; }
.plan__metrics .k { font-size:.9rem; color:var(--slate); flex:1 1 auto; min-width:0; }
/* il valore resta su una riga (niente "€" orfano); a wrappare è semmai l'etichetta */
.plan__metrics .v { font-family:var(--font-display); font-weight:700; font-size:1.02rem; color:var(--ink); text-align:right; flex:0 0 auto; white-space:nowrap; }

/* --- Incentivi prudenti --- */
.incentive { display:flex; flex-direction:column; gap:8px; }
.incentive .tagk { font-family:var(--font-display); font-weight:700; color: var(--ink); font-size:1.08rem; }
.incentive p { font-size:.96rem; }

/* --- Processo a 6 step su 2 colonne --- */
@media (min-width: 760px){ .steps--2col { grid-template-columns: 1fr 1fr; gap: clamp(16px,2.2vw,26px); } }

/* --- Trust strip (valore, niente numeri inventati) --- */
.trust-row { display:grid; grid-template-columns: repeat(4,1fr); gap:18px; }
@media (max-width: 820px){ .trust-row { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 460px){ .trust-row { grid-template-columns: 1fr; } }
.trust { display:flex; gap:13px; align-items:flex-start; }
.trust .ic { width:44px;height:44px;border-radius:12px;flex:none;display:grid;place-items:center;
  background: linear-gradient(150deg,var(--blue-50),#fff); color:var(--blue-600); box-shadow: inset 0 0 0 1px var(--line-2); }
.trust .ic svg{width:22px;height:22px}
.trust h3 { font-family:var(--font-display); font-size:1.02rem; margin-bottom:3px; color:var(--ink); }
.trust p { font-size:.9rem; }
.on-dark .trust .ic { background: rgba(140,219,98,.12); color:var(--lime-soft); box-shadow:none; }
.on-dark .trust h3 { color:#fff; }

/* --- Form: validazione, consenso privacy, stati --- */
.field.invalid input, .field.invalid select, .field.invalid textarea { border-color: #e5484d; background:#fff; }
.field.invalid input:focus, .field.invalid select:focus, .field.invalid textarea:focus { box-shadow: 0 0 0 4px rgba(229,72,77,.14); }
.field-error { display:none; font-size:.82rem; color:#c4292e; font-weight:500; }
.field.invalid .field-error { display:block; }
.req { color:#c4292e; }
.consent { display:flex; gap:11px; align-items:flex-start; margin: 2px 0 18px; font-size:.9rem; color: var(--slate); line-height:1.5; }
.consent input { flex:none; width:18px; height:18px; margin-top:2px; accent-color: var(--blue); }
.consent a { color: var(--blue-700); text-decoration: underline; text-underline-offset:2px; }
.consent.invalid { color:#c4292e; }
.consent.invalid input { outline:2px solid #e5484d; outline-offset:2px; border-radius:4px; }
.form-err { display:none; margin-top:12px; padding:14px 16px; border-radius:12px; background:#fdecec; border:1px solid #f5c2c2; color:#a31b1f; font-size:.92rem; font-weight:500; }
.form-err.show { display:block; }
.form-err a { color:#a31b1f; text-decoration:underline; }

/* --- Pagine legali (privacy / cookie) --- */
.legal { max-width: 760px; }
.legal h2 { font-size: clamp(1.3rem,2.2vw,1.7rem); margin: 2em 0 .5em; }
.legal h2:first-child { margin-top: 0; }
.legal h3 { font-size: 1.1rem; margin: 1.4em 0 .4em; }
.legal p, .legal li { color: var(--slate); font-size: 1rem; line-height: 1.75; }
.legal p { margin-bottom: 1em; }
.legal ul { display: grid; gap: .45em; margin: 0 0 1.2em; padding-left: 1.2em; list-style: disc; }
.legal a { color: var(--blue-700); text-decoration: underline; text-underline-offset: 2px; }
.legal strong { color: var(--ink); }
.legal .lead { margin-bottom: 1.6em; }
.legal-meta { margin-top: 2.4em; padding-top: 1.2em; border-top: 1px solid var(--line); font-size: .9rem; color: var(--slate-2); }

/* =========================================================
   UI/UX PREMIUM — micro-interazioni, fix transizioni, accessibilità
   ========================================================= */

/* 1. Fix conflict .reveal + .card:
   Dopo che il reveal è completato (.in), la card torna a transizioni rapide per hover */
.card.reveal.in {
  will-change: auto;
  transition: transform .28s var(--ease), box-shadow .28s var(--ease), border-color .28s var(--ease);
}
/* Anche segment cards */
.segment.reveal.in {
  will-change: auto;
  transition: transform .28s var(--ease), border-color .28s var(--ease);
}
/* Step cards: niente lift hover (sono in una sequenza ordinata numerata) */
.step-card:hover, .step-card.reveal.in:hover { transform: none; box-shadow: var(--shadow); border-color: var(--blue-100); }
.step-card { transition: box-shadow .28s var(--ease), border-color .28s var(--ease); }

/* 2. Card icon: leggero scale su hover per risposta visiva */
.card .icon { transition: transform .28s var(--ease), background .28s; }
.card:hover .icon { transform: scale(1.08); }

/* 3. FAQ: hover sulla domanda con feedback cromatico */
.faq-q { transition: color var(--t-fast) var(--ease); }
.faq-q:hover { color: var(--blue-700); }
.faq-q:hover .chev { border-color: var(--blue-200); background: var(--blue-50); }
.on-dark .faq-q:hover { color: #fff; }
.on-dark .faq-q:hover .chev { border-color: rgba(255,255,255,.35); background: rgba(255,255,255,.1); }

/* 4. Form: stato loading sul bottone submit */
.btn[data-loading] {
  pointer-events: none; opacity: .82;
  display: inline-flex; align-items: center; gap: .55em;
}
.btn[data-loading]::after {
  content: ''; flex-shrink: 0;
  width: .9em; height: .9em;
  border: 2px solid rgba(255,255,255,.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: btnSpin .65s linear infinite;
}
@keyframes btnSpin { to { transform: rotate(360deg); } }
.btn--lime[data-loading]::after { border-color: rgba(7,26,42,.22); border-top-color: var(--ink); }
@media (prefers-reduced-motion: reduce) { .btn[data-loading]::after { animation: none; border-top-color: rgba(255,255,255,.7); } }

/* 5. Nav backdrop mobile (oscura il contenuto dietro il drawer) */
.nav-backdrop {
  position: fixed; inset: 0; z-index: 98;
  background: rgba(7,26,42,.48);
  backdrop-filter: blur(3px) saturate(120%);
  -webkit-backdrop-filter: blur(3px) saturate(120%);
  opacity: 0; pointer-events: none;
  transition: opacity var(--t) var(--ease);
}
.nav-backdrop.show { opacity: 1; pointer-events: all; }

/* 6. Link arrow nel footer: più ampia area toccabile */
.site-footer a { padding-block: 5px; }

/* 7. Form field: sfondo bianco puro, transizione border più definita */
.field input, .field select, .field textarea { background: #fff; }
.field.invalid input, .field.invalid select, .field.invalid textarea {
  border-color: #d63b3b; background: #fff9f9;
}
.field.invalid input:focus, .field.invalid select:focus, .field.invalid textarea:focus {
  box-shadow: 0 0 0 3px rgba(214,59,59,.14);
}

/* 8. Dot pulsante hero: più lento e sobrio */
.hero-photo__chip .dot { animation-duration: 3.2s; }

/* 9. Segmenti home: icon hover */
.segment .ic { transition: transform .28s var(--ease), background .28s; }
.segment:hover .ic { transform: scale(1.1) rotate(-4deg); }

/* 10. Path card (selettore percorso home): hover più raffinato */
.path { transition: transform .28s var(--ease), box-shadow .28s var(--ease); }
.path:hover { transform: translateY(-4px); box-shadow: var(--shadow); }

/* 11. Plan card (esempi impianto): hover premium */
.plan.reveal.in {
  will-change: auto;
  transition: transform .28s var(--ease), box-shadow .28s var(--ease), border-color .28s var(--ease);
}

/* 12. Chip sparkline bar: transition su opacity */
.hero-photo__bar { transition: opacity .4s var(--ease); }
.hero-photo:not(:hover) .hero-photo__bar { opacity: .88; }
.hero-photo:hover .hero-photo__bar { opacity: 1; }

/* 13. Link-arrow su footer: hover color esplicito */
.site-footer .link-arrow { color: rgba(255,255,255,.7); }
.site-footer .link-arrow:hover { color: var(--lime-soft); }

/* 14. Tablet breakpoint mancante (768px) */
@media (max-width: 768px) {
  .hero__inner { gap: clamp(24px,4vw,40px); }
  .b-hero .hero__inner { grid-template-columns: 1fr; }
}
/* 15. hero-photo bar: su mobile "live" su unica riga */
@media (max-width: 480px){
  .hero-photo__bar span { font-size: .75rem; }
  .hero-photo__bar { gap: 9px; }
}

/* =========================================================
   RESPONSIVE MOBILE — fix chirurgici 320–520px
   Priorità: overflow, contrasto bottoni, leggibilità
   ========================================================= */

/* ── A. Bottoni hero: stack column + full-width < 520px ──
   Root cause: white-space:nowrap su testo lungo ("Richiedi l'analisi di
   fattibilità" ≈ 400px) sfonda su container 280px a 320px viewport.
   Fix: column flex + width:100% sui bottoni --lg nell'hero.            */
@media (max-width: 520px) {
  .hero .flex.gap-3 {
    flex-direction: column;
    align-items: stretch;
    gap: .7rem;
  }
  .hero .flex.gap-3 .btn {
    width: 100%;
    white-space: normal;
    text-align: center;
    justify-content: center;
    min-height: 52px;
  }
}

/* ── B. CTA band buttons: same fix ── */
@media (max-width: 540px) {
  .cta-band .flex.gap-3,
  .cta-band .flex.wrap {
    flex-direction: column;
    align-items: flex-start;
    gap: .6rem;
  }
  .cta-band .flex.gap-3 .btn,
  .cta-band .flex.wrap .btn { white-space: normal; }
}

/* ── C. CTA band padding: 40px min → 20px su schermi stretti ──
   Root cause: clamp(40px,6vw,80px) con 280px inner = 200px per contenuto.
   Un bottone solo sfonda a 269px. Fix: ridurre padding cta-band.        */
@media (max-width: 620px) {
  .cta-band { padding: clamp(26px, 7vw, 48px); }
}
@media (max-width: 480px) {
  .cta-band { padding: 28px 20px; border-radius: var(--radius); }
  .cta-band .grid.cols-2 { grid-template-columns: 1fr !important; }
}

/* ── D. H1 / H2 / H3 font-size su schermi ≤380px ──
   clamp(2.4rem,6vw,4.6rem) = 38.4px a 320px. "capannone può" sfonda.
   Fix: ridurre min a 1.9rem per ≤380px.                                 */
@media (max-width: 380px) {
  h1 { font-size: clamp(1.9rem, 8.5vw, 2.2rem); }
  h2 { font-size: clamp(1.5rem, 7.5vw, 1.9rem); }
  h3 { font-size: clamp(1.1rem, 5.2vw, 1.35rem); }
}

/* ── E. Hero padding-top: 140px min è troppo su 320px (568px height) ── */
@media (max-width: 480px) {
  .hero {
    padding-top: clamp(84px, 21vh, 130px);
    padding-bottom: clamp(40px, 8vw, 68px);
  }
}

/* ── F. Section padding su schermi < 400px ── */
@media (max-width: 400px) {
  .section { padding-block: clamp(44px, 11vw, 72px); }
  .section--tight { padding-block: clamp(36px, 9vw, 58px); }
}

/* ── G. Contact card padding su mobile stretto ── */
@media (max-width: 480px) {
  .contact-card { padding: 22px 18px; border-radius: var(--radius); }
}

/* ── H. Field-row già a 560px ma alcuni dispositivi 480px mostrano due colonne ── */
@media (max-width: 480px) {
  .field-row { grid-template-columns: 1fr; gap: 0; }
  .field { margin-bottom: 14px; }
}

/* ── I. Step-card: numero più compatto su schermi < 400px ── */
@media (max-width: 400px) {
  .step-card { padding-left: 64px; }
  .step-card::before { width: 48px; height: 48px; font-size: 1.3rem; border-radius: 12px; }
}

/* ── J. Plan card (50/100/200kW): dimensioni leggibili su mobile ── */
@media (max-width: 480px) {
  .plan { padding: 20px 18px; }
  .plan__size { font-size: clamp(1.8rem, 9vw, 2.7rem); }
  .plan__metrics .k { font-size: .85rem; }
  .plan__metrics .v { font-size: .98rem; }
}

/* ── K. Story chapters (business): meno altezza minima su mobile stretto ── */
@media (max-width: 480px) {
  .chapter { padding-block: 3.5vh; min-height: 44vh; }
  .chapter h2 { font-size: clamp(1.35rem, 6.5vw, 1.9rem); }
  .chapter p { font-size: .98rem; }
}

/* ── L. FAQ: tocco e leggibilità ── */
@media (max-width: 480px) {
  .faq-q { font-size: 1rem; padding: 16px 4px; }
  .faq-a__inner { font-size: .97rem; }
}

/* ── M. Pill: può andare su più righe su schermi molto stretti ── */
@media (max-width: 380px) {
  .pill { white-space: normal; line-height: 1.4; }
}

/* ── N. Lead: max-width none su mobile ── */
@media (max-width: 520px) {
  .b-hero .lead { max-width: 100%; }
}

/* ── O. Paths card (selettore home): padding e spacing su mobile ── */
@media (max-width: 480px) {
  .path { padding: 24px 20px; }
  .path h3 { font-size: clamp(1.3rem, 6vw, 1.7rem); }
}

/* ── P. Segmenti home su 320px: già 2 colonne da 520px, ma padding ── */
@media (max-width: 380px) {
  .segment { padding: 16px 10px; }
  .segment span { font-size: .88rem; }
  .segment .ic { width: 40px; height: 40px; }
}

/* ── Q. Trust row su mobile ── */
@media (max-width: 400px) {
  .trust .ic { width: 38px; height: 38px; border-radius: 10px; }
  .trust .ic svg { width: 18px; height: 18px; }
  .trust h3 { font-size: .98rem; }
}

/* ── R. Footer: già gestito, solo piccoli aggiustamenti a 320px ── */
@media (max-width: 360px) {
  .site-footer { padding-block: 40px 22px; }
  .site-footer p { font-size: .88rem; }
  .footer-bottom { font-size: .80rem; }
}

/* ── S. Steps--2col su mobile: sempre singola colonna ── */
@media (max-width: 480px) {
  .steps--2col { grid-template-columns: 1fr !important; }
}

/* ── T. Card checklist: column-gap ridotto su mobile ── */
@media (max-width: 480px) {
  .checklist { column-gap: 12px; row-gap: 12px; }
}

/* ── U. Overflow-wrap safety su h1 stretti ── */
@media (max-width: 380px) {
  .b-hero h1, h1 { overflow-wrap: break-word; }
}

/* ── V. GRID min-width fix (causa principale overflow su 320px) ──
   I grid item con min-width:auto (default) non shrinkano sotto il
   loro min-content, causando overflow. min-width:0 lo permette.    */
.grid > * { min-width: 0; }
.paths > * { min-width: 0; }

/* ── W. Path card button: full-width su mobile stretto ── */
@media (max-width: 540px) {
  .path .btn {
    width: 100%;
    white-space: normal;
    text-align: center;
    align-self: stretch;
  }
  .path { min-width: 0; }
}

/* ── X. Bottone standalone centrato (es. "Calcola il caso...") ── */
@media (max-width: 480px) {
  .center .btn--lg {
    display: flex;
    width: 100%;
    max-width: 100%;
    white-space: normal;
    text-align: center;
    justify-content: center;
  }
}

/* ── Y. Glow overflow: filter:blur sfugge a overflow:hidden in Chromium.
   contain:paint assicura che il contenuto filtrato venga clippato.    */
.hero__bg { contain: paint; }

/* ── Z. Contact card su mobile: flex column per testi larghi ── */
@media (max-width: 480px) {
  .contact-card form .field-row { grid-template-columns: 1fr; }
}

/* ── Btn--lime e btn--light su mobile: sempre leggibili ── */
@media (max-width: 520px) {
  .btn--lime { white-space: normal; }
  .btn--light { white-space: normal; }
}

/* ======================================================
   SECTION SNAP — effetto schermata per schermata
   Attivo: ≥ 1024px · prefers-reduced-motion: no-preference
   Mobile (< 1024px): scroll normale, nessun snap.
   ====================================================== */

@media (min-width: 1024px) and (prefers-reduced-motion: no-preference) {

  /* Snap proximity: agganciamento gentile.
     NON usa mandatory → non intrappola mai l'utente
     in sezioni più alte del viewport.                  */
  html { scroll-snap-type: y proximity; }

  /* Ogni sezione principale occupa almeno un viewport.
     Il contenuto è in alto (via padding-block esistente);
     la parte inferiore respira, dando il senso di sezione
     autonoma prima dello snap successivo.               */
  main > section:not(.story) {
    min-height: 100svh;
    min-height: 100vh; /* fallback browser senza svh */
    scroll-snap-align: start;
  }

  /* Story section (scroll-story sticky): lasciata libera.
     Ha animazioni interne basate sullo scroll; con snap
     si interromperebbe. L'utente la scorre normalmente
     poi viene agganciato alla sezione successiva.       */
  .story {
    scroll-snap-align: none;
    /* min-height rimosso: la story è già alta di natura */
  }

  /* Footer: snap al suo inizio */
  .site-footer { scroll-snap-align: start; }

}

/* ---- Progress dots (desktop only) ---- */
.snap-dots {
  position: fixed; right: 22px; top: 50%;
  transform: translateY(-50%); z-index: 49;
  display: flex; flex-direction: column; gap: 10px;
  opacity: 0; pointer-events: none;
  transition: opacity .5s var(--ease);
}
.snap-dots.visible { opacity: 1; pointer-events: all; }

.snap-dot {
  width: 7px; height: 7px; border-radius: 50%; padding: 0;
  background: rgba(255,255,255,.9);
  border: 1.5px solid rgba(7,26,42,.22);
  /* doppio shadow: contrasto su fondo chiaro e scuro */
  box-shadow: 0 1px 5px rgba(7,26,42,.24), 0 0 0 2.5px rgba(255,255,255,.38);
  cursor: pointer;
  transition: transform .3s var(--ease), background .3s var(--ease),
              border-color .3s, box-shadow .3s;
}
.snap-dot:focus-visible { outline: 2px solid var(--blue); outline-offset: 4px; border-radius: 50%; }
.snap-dot.active {
  background: var(--blue); border-color: var(--blue);
  transform: scale(1.55);
  box-shadow: 0 2px 10px rgba(26,136,219,.55), 0 0 0 3px rgba(26,136,219,.16);
}
.snap-dot:hover:not(.active) {
  background: var(--blue-100); border-color: var(--blue-300);
  transform: scale(1.25);
}

/* Nascondi su mobile e reduced-motion */
@media (max-width: 1023px) { .snap-dots { display: none !important; } }
@media (prefers-reduced-motion: reduce) { .snap-dots { display: none !important; } }

/* =========================================================
   WhatsApp FAB — contatto rapido flottante
   ========================================================= */
.wa-fab{
  position: fixed; right: 18px;
  bottom: calc(18px + env(safe-area-inset-bottom, 0px));
  z-index: 60; width: 58px; height: 58px; border-radius: 50%;
  display: grid; place-items: center; background: #25D366;
  box-shadow: 0 8px 24px rgba(0,0,0,.22); text-decoration: none;
  transition: transform .2s ease, box-shadow .2s ease;
  animation: wa-pop .35s ease both .6s;
}
.wa-fab svg{ width: 32px; height: 32px; fill: #fff; }
.wa-fab:hover{ transform: translateY(-2px) scale(1.05); box-shadow: 0 12px 30px rgba(0,0,0,.30); }
.wa-fab:focus-visible{ outline: 3px solid #fff; outline-offset: 3px; }
@keyframes wa-pop{ from{ opacity:0; transform: scale(.6) translateY(8px);} to{ opacity:1; transform: none;} }
@media (prefers-reduced-motion: reduce){ .wa-fab{ animation: none; } }

/* Tap target più comodi nelle liste del footer su mobile */
@media (max-width: 620px){
  .site-footer li { margin-block: 2px; }
  .site-footer li a { display: inline-block; padding-block: 5px; }
}

/* =========================================================
   Selettore lingua (IT / EN / FR)
   ========================================================= */
.lang-switch{ display:inline-flex; gap:2px; align-items:center; border:1px solid var(--line); border-radius:999px; padding:3px; }
.lang-switch a{ font-family:var(--font-display); font-weight:600; font-size:.8rem; line-height:1; padding:6px 9px; border-radius:999px; color:var(--slate); letter-spacing:.02em; transition:background .2s, color .2s; }
.lang-switch a.is-active{ background:var(--blue); color:#fff; }
.lang-switch a:hover:not(.is-active){ color:var(--blue-700); }
.site-header.on-dark:not(.is-scrolled) .lang-switch{ border-color:rgba(255,255,255,.28); }
.site-header.on-dark:not(.is-scrolled) .lang-switch a{ color:rgba(255,255,255,.82); }
.site-header.on-dark:not(.is-scrolled) .lang-switch a.is-active{ background:#fff; color:var(--ink); }
@media (max-width: 980px){ .lang-switch{ margin-top:6px; } }

/* =========================================================
   CTA sticky su mobile (business + privati)
   ========================================================= */
.mobile-cta{ display:none; }
@media (max-width: 780px){
  .mobile-cta{
    position: fixed; left:0; right:0; bottom:0; z-index:70;
    display:flex; gap:10px; align-items:stretch;
    padding:10px 14px calc(10px + env(safe-area-inset-bottom, 0px));
    background:rgba(255,255,255,.94); backdrop-filter:saturate(180%) blur(12px);
    box-shadow:0 -1px 0 var(--line), 0 -12px 30px -20px rgba(7,26,42,.5);
  }
  .mobile-cta__btn{
    flex:1; display:inline-flex; align-items:center; justify-content:center; gap:.5em;
    background:linear-gradient(120deg,var(--blue-600),var(--blue)); color:#fff;
    font-family:var(--font-display); font-weight:700; font-size:1rem; letter-spacing:.01em;
    border-radius:999px; padding:.9em 1.1em; box-shadow:0 10px 24px -12px rgba(26,136,219,.7);
  }
  .mobile-cta__wa{ flex:none; width:52px; display:grid; place-items:center; background:#25D366; border-radius:999px; }
  .mobile-cta__wa svg{ width:26px; height:26px; fill:#fff; }
  /* su queste pagine il FAB flottante è ridondante col bar */
  .has-mcta .wa-fab{ display:none; }
  /* spazio per non coprire il footer dietro al bar */
  .has-mcta{ padding-bottom:74px; }
}