/* Layout: colonna centrale da 1160px, fondi chiari con fasce verde tenue; un solo accento verde, molto spazio bianco. */
:root {
  --paper: #f8faf7;
  --surface: #ffffff;
  --ink: #1a2a20;
  --muted: #5d6e63;
  --line: #e2e9e3;
  --panel: #eef4ef;
  --panel-ink: #1a2a20;
  --panel-line: #dbe6dd;
  --sun: #2f7d4f;
  --sun-ink: #ffffff;
  --sun-soft: #e1efe5;
  --footer: #15291d;
  --footer-ink: #e2ece5;
  --ok: #2f7d4f;
  --error: #b3261e;
  --ape-a4: #00873d; --ape-a3: #2fa046; --ape-a2: #69b240; --ape-a1: #a6c43a;
  --ape-b: #d8d527; --ape-c: #f5c518; --ape-d: #f39a1c; --ape-e: #e9662a;
  --ape-f: #dd3a2c; --ape-g: #c4161c;

  --f-display: "Archivo", "Helvetica Neue", system-ui, sans-serif;
  --f-body: "Instrument Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --f-mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  --s-1: 0.875rem; --s0: 1rem; --s1: 1.2rem; --s2: 1.5rem; --s3: 2rem; --s4: clamp(2.2rem, 4.6vw, 3.4rem);
  --radius: 10px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #0f1612; --surface: #151f19; --ink: #e2ebe4; --muted: #9db0a3; --line: #243329;
    --panel: #131c16; --panel-ink: #e2ebe4; --panel-line: #243329; --sun: #5cbf83; --sun-ink: #0b1a10; --sun-soft: #1b3324;
    --footer: #0b120e; color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #0f1612; --surface: #151f19; --ink: #e2ebe4; --muted: #9db0a3; --line: #243329;
  --panel: #131c16; --panel-ink: #e2ebe4; --panel-line: #243329; --sun: #5cbf83; --sun-ink: #0b1a10; --sun-soft: #1b3324;
  --footer: #0b120e; color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font-family: var(--f-body); font-size: 1.0625rem; line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; }
a { color: inherit; }
h1, h2, h3 { font-family: var(--f-display); font-stretch: 112%; line-height: 1.08; text-wrap: balance; margin: 0; letter-spacing: -0.01em; }
h1 { font-size: var(--s4); font-weight: 800; }
h2 { font-size: var(--s3); font-weight: 750; }
h3 { font-size: var(--s1); font-weight: 700; }
p { margin: 0; }
:focus-visible { outline: 3px solid var(--sun); outline-offset: 2px; }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation: none !important; transition: none !important; } html { scroll-behavior: auto; } }

.wrap {
  max-width: 1160px; margin-inline: auto;
  padding-left: max(20px, env(safe-area-inset-left, 0px));
  padding-right: max(20px, env(safe-area-inset-right, 0px));
}
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 16px; z-index: 50; background: var(--surface); padding: 8px 12px; }

.eyebrow {
  font-family: var(--f-mono); font-size: 0.8rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted);
}
.lead { font-size: var(--s1); color: var(--muted); max-width: 60ch; }
.prose { max-width: 68ch; display: grid; gap: 1rem; }
.prose h2 { font-size: var(--s2); margin-top: 1rem; }
.prose ul { margin: 0; padding-left: 1.2rem; display: grid; gap: 0.4rem; }
.mono { font-family: var(--f-mono); font-variant-numeric: tabular-nums; }

/* Pulsanti */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  padding: 0.8rem 1.2rem; border-radius: var(--radius); border: 2px solid transparent;
  font-family: var(--f-display); font-stretch: 105%; font-weight: 700; font-size: 0.98rem;
  text-decoration: none; cursor: pointer; transition: transform .15s, background .15s;
}
.btn:hover { transform: translateY(-1px); }
.btn-sun { background: var(--sun); color: var(--sun-ink); }
.btn-sun:hover { background: color-mix(in srgb, var(--sun) 85%, white); }
.btn-line { border-color: currentColor; background: transparent; color: inherit; }

/* Testata */
body::before { content: ""; position: fixed; inset: 0 0 auto; height: env(safe-area-inset-top, 0px); z-index: 30; background: var(--surface); }
.site-header {
  position: sticky; top: env(safe-area-inset-top, 0px); z-index: 20;
  background: color-mix(in srgb, var(--surface) 94%, transparent); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; gap: 1.5rem; padding-block: 0.7rem; }
.logo { display: inline-flex; align-items: center; gap: 0.55rem; text-decoration: none; color: var(--ink); }
.logo-mark { width: 36px; height: 36px; color: var(--ink); flex: none; }
.logo span { font-family: var(--f-display); font-stretch: 125%; font-weight: 800; font-size: 1.15rem; letter-spacing: 0.02em; }
.logo b { color: var(--sun); font-weight: 800; }
.nav { display: flex; gap: 1.3rem; margin-left: auto; align-items: center; font-size: 0.95rem; }
.nav-group { display: flex; gap: 1.1rem; align-items: center; }
.nav-group:first-child { padding-right: 1.3rem; border-right: 1px solid var(--line); }
.nav-label { display: none; }
.nav a { text-decoration: none; color: var(--muted); white-space: nowrap; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--ink); }
.nav a[aria-current="page"] { box-shadow: inset 0 -2px 0 var(--sun); }
.nav-toggle { display: none; }
.header-cta { padding: 0.6rem 0.9rem; font-size: 0.9rem; white-space: nowrap; }
.site-header .wrap { max-width: 1480px; }
.cta-short { display: none; }
@media (max-width: 1580px) {
  .nav { gap: 0.9rem; font-size: 0.9rem; }
  .nav-group { gap: 0.8rem; }
  .nav-group:first-child { padding-right: 0.9rem; }
  .header-inner { gap: 1rem; }
  .cta-long { display: none; }
  .cta-short { display: inline; }
}

@media (max-width: 1350px) {
  .header-inner { flex-wrap: wrap; }
  .nav-toggle {
    display: inline-flex; margin-left: auto; background: none; border: 1px solid var(--line); color: var(--ink);
    border-radius: var(--radius); padding: 0.5rem 0.9rem; font: 600 0.95rem var(--f-body); cursor: pointer;
  }
  .header-cta { order: 2; }
  .nav { display: none; order: 3; flex-basis: 100%; flex-direction: column; align-items: stretch; gap: 1rem; padding-block: 0.5rem 1rem; }
  .nav.open { display: flex; }
  .nav-group { flex-direction: column; align-items: flex-start; gap: 0.6rem; }
  .nav-group:first-child { border-right: 0; padding-right: 0; padding-bottom: 1rem; border-bottom: 1px solid var(--line); }
  .nav-label { display: block; font-family: var(--f-mono); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); }
  .nav a { font-size: 1.05rem; color: var(--ink); }
}
@media (max-width: 560px) {
  .header-cta { display: none; }
}

/* Sezioni */
.section { padding-block: clamp(3rem, 7vw, 5.5rem); }
.section-head { display: grid; gap: 0.8rem; margin-bottom: 2.2rem; max-width: 62ch; }
.panel {
  background-color: var(--panel); color: var(--panel-ink);
  background-image:
    linear-gradient(var(--panel-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--panel-line) 1px, transparent 1px);
  background-size: 64px 64px;
}
.panel .eyebrow, .panel .lead { color: color-mix(in srgb, var(--panel-ink) 72%, transparent); }

/* Hero */
.hero { padding-block: clamp(2.5rem, 6vw, 4.5rem); }
.hero-grid { display: grid; grid-template-columns: 1.25fr 1fr; gap: clamp(2rem, 5vw, 4rem); align-items: center; }
.hero-copy { display: grid; gap: 1.3rem; min-width: 0; }
.hero-copy h1 { max-width: 15ch; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.8rem; margin-top: 0.4rem; }
.hero-facts { display: flex; flex-wrap: wrap; gap: 0.5rem 1.4rem; font-size: 0.92rem; color: color-mix(in srgb, var(--panel-ink) 80%, transparent); }
.hero-facts span::before { content: "✓ "; color: var(--sun); font-weight: 700; }
@media (max-width: 860px) { .hero-grid { grid-template-columns: 1fr; } }

/* Etichetta classe energetica (scala APE) */
.ape {
  background: var(--surface); color: var(--ink); border-radius: 10px; padding: 1.2rem 1.2rem 1rem;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.28); display: grid; gap: 0.8rem; max-width: 440px; width: 100%; justify-self: end;
}
.ape-head { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; }
.ape .eyebrow { color: var(--muted); }
.ape-head strong { font-family: var(--f-display); font-stretch: 112%; font-size: 1.05rem; }
.ape-rows { display: grid; gap: 4px; }
.ape-row { display: grid; grid-template-columns: 1fr 74px; align-items: center; gap: 8px; height: 22px; }
.ape-bar {
  height: 100%; color: #fff; font: 700 0.78rem/22px var(--f-mono); padding-left: 8px;
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 50%, calc(100% - 10px) 100%, 0 100%);
}
.ape-mark {
  font: 600 0.72rem/1 var(--f-mono); padding: 4px 6px; border-radius: 3px; text-align: center; visibility: hidden;
}
.ape-row.from .ape-mark { visibility: visible; border: 1px dashed var(--muted); color: var(--muted); }
.ape-row.to .ape-mark { visibility: visible; background: var(--ink); color: var(--surface); animation: rise 0.9s ease-out 0.3s both; }
.ape-note { font-size: 0.8rem; color: var(--muted); }
@keyframes rise { from { transform: translateY(150px); opacity: 0.4; } to { transform: none; opacity: 1; } }
@media (max-width: 860px) { .ape { justify-self: start; } }

/* Numeri */
.figures { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); }
.figure { padding: 1.4rem 1.2rem 0 0; display: grid; gap: 0.3rem; }
.figure + .figure { padding-left: 1.2rem; border-left: 1px solid var(--line); }
.figure b { font-family: var(--f-display); font-stretch: 125%; font-size: 2.6rem; line-height: 1; font-weight: 800; }
.figure span { color: var(--muted); font-size: 0.95rem; }
@media (max-width: 760px) {
  .figures { grid-template-columns: 1fr 1fr; }
  .figure:nth-child(3) { padding-left: 0; border-left: 0; }
}

/* Schede servizi */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
.cards.two { grid-template-columns: repeat(2, 1fr); }
.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.5rem; display: grid; gap: 0.8rem; align-content: start; min-width: 0;
}
.card .tag { font-family: var(--f-mono); font-size: 0.78rem; color: var(--muted); }
.card ul { margin: 0; padding-left: 1.1rem; color: var(--muted); display: grid; gap: 0.25rem; font-size: 0.97rem; }
.card .more { font-weight: 600; text-decoration-color: var(--sun); text-underline-offset: 4px; text-decoration-thickness: 2px; }
.card.feature { border-top: 4px solid var(--sun); }
@media (max-width: 900px) { .cards, .cards.two { grid-template-columns: 1fr; } }

/* Segnaposto foto: griglia di celle fotovoltaiche */
.ph {
  aspect-ratio: 4 / 3; max-width: 100%; border-radius: var(--radius); position: relative; overflow: hidden;
  background-color: var(--panel);
  background-image:
    linear-gradient(rgba(255,255,255,0.14) 2px, transparent 2px),
    linear-gradient(90deg, rgba(255,255,255,0.14) 2px, transparent 2px),
    linear-gradient(135deg, rgba(255,255,255,0.08), transparent 55%);
  background-size: 34px 22px, 34px 22px, 100% 100%;
  display: flex; align-items: flex-end;
}
.ph.warm { background-color: #6b4a2b; }
.ph.cool { background-color: #2e5262; }
.ph span {
  margin: 10px; background: rgba(0,0,0,0.55); color: #fff; font: 500 0.75rem/1.3 var(--f-mono);
  padding: 5px 8px; border-radius: 3px;
}

/* Lavori */
.works { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.4rem; }
.work { display: grid; gap: 0.7rem; align-content: start; min-width: 0; }
.work dl { display: grid; grid-template-columns: auto 1fr; gap: 0.15rem 0.8rem; margin: 0; font-size: 0.93rem; }
.work dt { color: var(--muted); }
.work dd { margin: 0; font-family: var(--f-mono); font-variant-numeric: tabular-nums; }
.badge { justify-self: start; font: 600 0.72rem var(--f-mono); text-transform: uppercase; letter-spacing: 0.06em; padding: 3px 7px; border-radius: 3px; background: color-mix(in srgb, var(--sun) 22%, transparent); color: var(--ink); }
@media (max-width: 900px) { .works { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .works { grid-template-columns: 1fr; } }

/* Fasi */
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(5, 1fr); counter-reset: step; }
.steps li { counter-increment: step; padding: 1.2rem 1rem 0 0; border-top: 3px solid var(--panel-line); display: grid; gap: 0.5rem; align-content: start; position: relative; }
.panel .steps li { border-top-color: color-mix(in srgb, var(--panel-ink) 25%, transparent); }
.steps li::before { content: "0" counter(step); font: 500 0.85rem var(--f-mono); color: var(--sun); }
.steps li::after { content: ""; position: absolute; top: -7px; left: 0; width: 11px; height: 11px; border-radius: 50%; background: var(--sun); }
.steps p { font-size: 0.95rem; opacity: 0.82; }
.steps.light li { border-top-color: var(--line); }
@media (max-width: 900px) {
  .steps { grid-template-columns: 1fr; }
  .steps li { border-top: 0; border-left: 3px solid color-mix(in srgb, currentColor 22%, transparent); padding: 0 0 1.6rem 1.4rem; }
  .steps li::after { top: 4px; left: -7px; }
}

/* Divisione privati / aziende */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; }
.split > a {
  text-decoration: none; padding: 2rem; border-radius: var(--radius); display: grid; gap: 0.7rem; align-content: start;
  border: 1px solid var(--line); background: var(--surface); transition: border-color .15s;
}
.split > a:hover { border-color: var(--sun); }
.split .arrow { font-weight: 700; margin-top: 0.5rem; }
@media (max-width: 760px) { .split { grid-template-columns: 1fr; } }

/* Intestazione pagine interne */
.page-head { padding-block: clamp(2.5rem, 6vw, 4rem); }
.page-head .wrap { display: grid; gap: 1rem; }
.page-head h1 { font-size: clamp(2.1rem, 4.5vw, 3.3rem); max-width: 20ch; }

.two-col { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: clamp(2rem, 5vw, 4rem); align-items: start; }
.two-col > * { min-width: 0; }
@media (max-width: 860px) { .two-col { grid-template-columns: 1fr; } }

/* Scheda tecnica */
.spec { border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); overflow-x: auto; }
.spec table { border-collapse: collapse; width: 100%; font-size: 0.95rem; }
.spec th, .spec td { text-align: left; padding: 0.75rem 1rem; border-bottom: 1px solid var(--line); vertical-align: top; }
.spec tr:last-child td { border-bottom: 0; }
.spec th { font: 500 0.78rem var(--f-mono); text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); background: color-mix(in srgb, var(--line) 35%, transparent); }

/* FAQ */
.faq { display: grid; gap: 0.6rem; max-width: 820px; }
.faq details { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 0.2rem 1.2rem; }
.faq summary { cursor: pointer; font-weight: 600; padding-block: 0.9rem; list-style: none; display: flex; justify-content: space-between; gap: 1rem; }
.faq summary::after { content: "+"; font-family: var(--f-mono); color: var(--sun); font-size: 1.2rem; line-height: 1; }
.faq details[open] summary::after { content: "−"; }
.faq details p { padding-bottom: 1rem; color: var(--muted); }

.notice {
  border: 1px dashed var(--sun); background: color-mix(in srgb, var(--sun) 9%, var(--surface)); border-radius: var(--radius);
  padding: 0.9rem 1.1rem; font-size: 0.93rem;
}

/* Modulo */
.form { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: clamp(1.2rem, 3vw, 2rem); display: grid; gap: 1.1rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-row > * { min-width: 0; }
@media (max-width: 600px) { .form-row { grid-template-columns: 1fr; } }
.field { display: grid; gap: 0.35rem; }
.field label, .field legend { font-weight: 600; font-size: 0.93rem; }
.field .hint { font-size: 0.82rem; color: var(--muted); font-weight: 400; }
.field input, .field select, .field textarea {
  font: inherit; font-size: 1rem; color: var(--ink); background: var(--paper);
  border: 1px solid var(--line); border-radius: var(--radius); padding: 0.7rem 0.8rem; width: 100%;
}
.field textarea { min-height: 110px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: 2px solid var(--sun); outline-offset: 0; border-color: var(--sun); }
.field.invalid input, .field.invalid select { border-color: var(--error); }
.field .err { color: var(--error); font-size: 0.85rem; display: none; }
.field.invalid .err { display: block; }
fieldset.field { border: 0; padding: 0; margin: 0; }
.choice { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.choice label {
  display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.55rem 0.9rem; border: 1px solid var(--line);
  border-radius: var(--radius); cursor: pointer; font-weight: 500; background: var(--paper);
}
.choice input { accent-color: var(--sun); width: auto; }
.choice label:has(input:checked) { border-color: var(--sun); background: color-mix(in srgb, var(--sun) 14%, var(--surface)); }
.consent { display: flex; gap: 0.6rem; align-items: flex-start; font-size: 0.9rem; font-weight: 400 !important; }
.consent input { margin-top: 0.3rem; accent-color: var(--sun); width: auto; }
.hp { position: absolute; left: -9999px; }
.form-result { display: grid; gap: 0.8rem; }
.form-result h3 { color: var(--ok); }
.form-result pre { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 0.8rem; font: 0.78rem/1.5 var(--f-mono); overflow-x: auto; margin: 0; }
.contact-list { display: grid; gap: 1rem; }
.contact-list div { display: grid; gap: 0.1rem; padding-bottom: 1rem; border-bottom: 1px solid var(--line); }
.contact-list dt { font: 500 0.78rem var(--f-mono); text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); }
.contact-list dd { margin: 0; font-size: 1.05rem; font-weight: 600; }

/* Fascia finale e piè di pagina */
.cta-band { background: var(--sun); color: var(--sun-ink); }
.cta-band-inner { display: flex; justify-content: space-between; align-items: center; gap: 2rem; padding-block: 2.6rem; flex-wrap: wrap; }
.cta-band-inner > div { display: grid; gap: 0.5rem; max-width: 60ch; }
.cta-band h2 { font-size: var(--s2); }
.cta-band .btn-sun { background: var(--sun-ink); color: #fff; }
.site-footer { background: var(--panel); color: var(--panel-ink); padding-block: 3rem 1.5rem; font-size: 0.95rem; }
.site-footer .logo, .site-footer .logo-mark { color: var(--panel-ink); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 2rem; }
.footer-grid > div { display: grid; gap: 0.7rem; align-content: start; }
.footer-grid h3 { font-size: 0.8rem; font-family: var(--f-mono); font-weight: 500; text-transform: uppercase; letter-spacing: 0.08em; opacity: 0.7; }
.footer-grid a { text-decoration: none; }
.footer-grid a:hover { text-decoration: underline; }
.footer-legal { margin-top: 2.5rem; padding-top: 1.2rem; border-top: 1px solid var(--panel-line); font-size: 0.82rem; opacity: 0.7; }
@media (max-width: 860px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .footer-grid { grid-template-columns: 1fr; } }

.wa-float {
  position: fixed; z-index: 25;
  right: calc(18px + env(safe-area-inset-right, 0px)); bottom: calc(18px + env(safe-area-inset-bottom, 0px));
  display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.7rem 1rem 0.7rem 0.8rem; border-radius: 999px;
  background: #1f9d55; color: #fff; text-decoration: none; font-weight: 700; font-size: 0.92rem;
  box-shadow: 0 8px 24px rgba(0,0,0,0.25);
}
.wa-float svg { width: 22px; height: 22px; }
@media (max-width: 520px) { .wa-float span { display: none; } .wa-float { padding: 0.8rem; } }
.soft { opacity: 0.82; margin-top: 0.5rem; }
.field input, .field select, .field textarea, .consent input { scroll-margin-top: 110px; }

/* Materiali */
:root {
  --ill-sky: #e4efe6; --ill-wall: #eef3ef; --ill-cell: #1d3f63; --ill-grid: #6f93b8; --ill-frame: #c9d3dc;
  --ill-device: #ffffff; --ill-line: #8a9aa8; --ill-screen: #20384d; --ill-cable: #5d6b77; --ill-metal: #c9d1d8;
  --ill-tile: #b45a3c; --ill-tile-line: #8e432b; --ill-cool: #4aa3d8;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --ill-sky: #1a2a20; --ill-wall: #18241c; --ill-frame: #8a9aa8; --ill-device: #d9e1e8; --ill-line: #6b7d8c; --ill-metal: #9aa7b2;
  }
}
:root[data-theme="dark"] {
  --ill-sky: #1a2a20; --ill-wall: #18241c; --ill-frame: #8a9aa8; --ill-device: #d9e1e8; --ill-line: #6b7d8c; --ill-metal: #9aa7b2;
}
.materials { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.4rem; }
.material {
  background: var(--surface); color: var(--ink); border: 1px solid var(--line); border-radius: var(--radius);
  display: grid; grid-template-columns: 220px 1fr; grid-template-rows: auto auto 1fr; column-gap: 1.3rem; row-gap: 0.4rem;
  padding: 1.1rem; min-width: 0;
}
.material .ill { grid-row: 1 / span 3; margin: 0; border-radius: 4px; overflow: hidden; aspect-ratio: 8 / 5; max-width: 100%; align-self: start; }
.material .ill svg { display: block; width: 100%; height: 100%; }
.material .tag { font-family: var(--f-mono); font-size: 0.78rem; color: var(--muted); }
.material p { font-size: 0.96rem; color: var(--muted); }
@media (max-width: 1100px) { .materials { grid-template-columns: 1fr; } }
@media (max-width: 600px) { .material { grid-template-columns: 1fr; } .material .ill { grid-row: auto; } }
.figures-panel { border-top-color: var(--panel-line); }
.figures-panel .figure + .figure { border-left-color: var(--panel-line); }
.figures-panel .figure span { color: color-mix(in srgb, var(--panel-ink) 72%, transparent); }
.sources { margin-top: 2rem; font-size: 0.82rem; opacity: 0.75; }
.more-light { color: inherit; font-weight: 600; text-decoration-color: var(--sun); text-underline-offset: 4px; text-decoration-thickness: 2px; }
.figure { min-width: 0; }
@media (max-width: 760px) { .figure b { font-size: 2rem; } }

/* Stile minimal */
h1, h2, h3 { font-stretch: 100%; letter-spacing: -0.02em; }
h1 { font-weight: 650; }
h2 { font-weight: 600; }
h3 { font-weight: 600; }
.logo span { font-stretch: 110%; font-weight: 700; }
.btn { border-radius: 999px; font-stretch: 100%; font-weight: 600; }
.btn-sun:hover { background: color-mix(in srgb, var(--sun) 88%, black); }
.btn-line { border-width: 1px; }
.panel { background-image: none; }
.panel .eyebrow, .panel .lead { color: var(--muted); }
.eyebrow { color: var(--sun); }
.site-header { border-bottom-color: transparent; box-shadow: 0 1px 0 var(--line); }
.hero-facts { color: var(--muted); }
.ape { box-shadow: 0 1px 2px rgba(0,0,0,.04), 0 12px 32px rgba(26,42,32,.08); border: 1px solid var(--line); }
.figure b { font-stretch: 100%; font-weight: 600; color: var(--sun); }
.card { border-color: var(--line); }
.card.feature { border-top: 1px solid var(--line); }
.card .tag, .material .tag { color: var(--sun); }
.steps li, .panel .steps li { border-top: 1px solid var(--line); }
.steps li::after { width: 9px; height: 9px; top: -5px; }
.ph, .ph.warm, .ph.cool { background-color: #dfe9e1; background-image: none; }
.ph::before { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 70% 35%, rgba(47,125,79,.18), transparent 55%); }
.ph span { background: rgba(255,255,255,.85); color: #1a2a20; position: relative; }
.badge { background: var(--sun-soft); color: var(--sun); }
.notice { border: 1px solid var(--line); background: var(--sun-soft); }
.cta-band { background: var(--sun-soft); color: var(--ink); }
.cta-band .btn-sun { background: var(--sun); color: var(--sun-ink); }
.site-footer { background: var(--footer); color: var(--footer-ink); }
.site-footer .logo, .site-footer .logo-mark { color: var(--footer-ink); }
.footer-legal { border-top-color: rgba(226,236,229,.14); }
.figures-panel .figure span { color: var(--muted); }
.material { border-color: var(--line); }
.faq summary::after { color: var(--sun); }
.choice label:has(input:checked) { background: var(--sun-soft); }
.wa-float { background: #25a35a; }
:root { --ill-sun: #f2b231; }