/* ==========================================================================
   MARS Engineering — foglio di stile principale
   ========================================================================== */

/* ---------- Font (self-hosted, nessuna chiamata a Google) ---------- */
@font-face { font-family: "Inter"; font-style: normal; font-weight: 300; font-display: swap; src: url("../fonts/inter-latin-300-normal.woff2") format("woff2"); }
@font-face { font-family: "Inter"; font-style: normal; font-weight: 400; font-display: swap; src: url("../fonts/inter-latin-400-normal.woff2") format("woff2"); }
@font-face { font-family: "Inter"; font-style: normal; font-weight: 500; font-display: swap; src: url("../fonts/inter-latin-500-normal.woff2") format("woff2"); }
@font-face { font-family: "Inter"; font-style: normal; font-weight: 600; font-display: swap; src: url("../fonts/inter-latin-600-normal.woff2") format("woff2"); }
@font-face { font-family: "Inter"; font-style: normal; font-weight: 700; font-display: swap; src: url("../fonts/inter-latin-700-normal.woff2") format("woff2"); }
@font-face { font-family: "Montserrat"; font-style: normal; font-weight: 600; font-display: swap; src: url("../fonts/montserrat-latin-600-normal.woff2") format("woff2"); }
@font-face { font-family: "Montserrat"; font-style: normal; font-weight: 700; font-display: swap; src: url("../fonts/montserrat-latin-700-normal.woff2") format("woff2"); }
@font-face { font-family: "Montserrat"; font-style: normal; font-weight: 800; font-display: swap; src: url("../fonts/montserrat-latin-800-normal.woff2") format("woff2"); }

/* ---------- Variabili ---------- */
:root {
  --background: #fff;
  --foreground: hsl(200 30% 20%);
  --primary: hsl(200 35% 28%);
  --primary-fg: #fff;
  --petrol-light: hsl(200 25% 40%);
  --accent: hsl(8 45% 58%);
  --accent-fg: #fff;
  --coral-light: hsl(8 45% 70%);
  --teal: hsl(170 30% 70%);
  --muted: hsl(210 15% 96%);
  --muted-fg: hsl(200 10% 50%);
  --secondary: hsl(210 15% 95%);
  --surface: hsl(210 20% 97%);
  --border: hsl(210 20% 90%);
  --radius: 0.5rem;
  --font-sans: "Inter", system-ui, sans-serif;
  --font-heading: "Montserrat", system-ui, sans-serif;
  --header-h: 4rem;
}
@media (min-width: 768px) { :root { --header-h: 5rem; } }

/* ---------- Reset essenziale ---------- */
*, *::before, *::after { box-sizing: border-box; border: 0 solid var(--border); }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-sans);
  line-height: 1.5;
  color: var(--foreground);
  background: var(--background);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
h1, h2, h3, h4, p, ul, figure { margin: 0; }
h1, h2, h3, h4 { font-family: var(--font-heading); }
ul { list-style: none; padding: 0; }
a { color: inherit; text-decoration: none; }
img, svg { display: block; }
img { max-width: 100%; height: auto; }
button, input, textarea { font: inherit; color: inherit; }
svg.icon { flex-shrink: 0; }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}
.skip-link {
  position: absolute; left: 1rem; top: -3rem; z-index: 100;
  background: var(--primary); color: var(--primary-fg);
  padding: .5rem 1rem; border-radius: var(--radius);
}
.skip-link:focus { top: 1rem; }

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

/* ---------- Layout ---------- */
.container { width: 100%; margin-inline: auto; padding-inline: 2rem; }
@media (min-width: 640px)  { .container { max-width: 640px; } }
@media (min-width: 768px)  { .container { max-width: 768px; } }
@media (min-width: 1024px) { .container { max-width: 1024px; } }
@media (min-width: 1280px) { .container { max-width: 1280px; } }
@media (min-width: 1400px) { .container { max-width: 1400px; } }

.page { min-height: 100vh; display: flex; flex-direction: column; }
main { flex: 1; padding-top: var(--header-h); }

.section { padding-block: 5rem; }
.section--compact { padding-block: 4rem; }
.section--stats { padding-block: 3.5rem; border-top: 1px solid var(--border); }
@media (min-width: 768px) {
  .section { padding-block: 7rem; }
  .section--compact { padding-block: 6rem; }
  .section--stats { padding-block: 5rem; }
}
.bg-surface { background: var(--surface); }
.bg-primary { background: var(--primary); color: var(--primary-fg); }

.narrow   { max-width: 48rem; margin-inline: auto; }  /* 3xl */
.w-4xl    { max-width: 56rem; margin-inline: auto; }
.w-5xl    { max-width: 64rem; margin-inline: auto; }
.text-center { text-align: center; }
.mt-10 { margin-top: 2.5rem; }
.mt-12 { margin-top: 3rem; }

/* ---------- Griglie ---------- */
.grid { display: grid; gap: 1.5rem; grid-template-columns: 1fr; }
.grid--gap-8 { gap: 2rem; }
.grid--gap-12 { gap: 3rem; }
.grid--2-4 { grid-template-columns: repeat(2, 1fr); }
@media (min-width: 640px) {
  .grid--sm-2 { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 768px) {
  .grid--md-2 { grid-template-columns: repeat(2, 1fr); }
  .grid--md-3 { grid-template-columns: repeat(3, 1fr); }
  .grid--md-4, .grid--2-4 { grid-template-columns: repeat(4, 1fr); }
}
@media (min-width: 1024px) {
  .grid--lg-4 { grid-template-columns: repeat(4, 1fr); }
}

/* ---------- Header ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  background: rgb(255 255 255 / .95);
  -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px);
  border-bottom: 1px solid var(--border);
}
.site-header__bar { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); }
.site-header__logo { display: flex; align-items: center; padding-left: .5rem; }
.site-header__logo img { height: 2.5rem; width: auto; }
@media (min-width: 768px) {
  .site-header__logo { padding-left: 1rem; }
  .site-header__logo img { height: 3rem; }
}

.nav-desktop { display: none; align-items: center; gap: 2rem; }
@media (min-width: 768px) { .nav-desktop { display: flex; } }
.nav-link { font-size: .875rem; font-weight: 500; transition: color .15s; }
.nav-link:hover, .nav-link[aria-current="page"] { color: var(--accent); }

/* Menu mobile senza JavaScript: checkbox + label */
.nav-toggle { position: absolute; opacity: 0; pointer-events: none; }
.nav-toggle-btn { display: inline-flex; padding: .5rem; cursor: pointer; }
.nav-toggle-btn .icon-close { display: none; }
.nav-toggle:checked ~ .site-header__bar .nav-toggle-btn .icon-open { display: none; }
.nav-toggle:checked ~ .site-header__bar .nav-toggle-btn .icon-close { display: block; }
.nav-toggle:focus-visible ~ .site-header__bar .nav-toggle-btn { outline: 2px solid var(--primary); outline-offset: 2px; }
.nav-mobile { display: none; border-top: 1px solid var(--border); background: var(--background); }
.nav-toggle:checked ~ .nav-mobile { display: block; }
.nav-mobile nav { display: flex; flex-direction: column; gap: .75rem; padding-block: 1rem; }
.nav-mobile .nav-link { padding-block: .5rem; }
.nav-mobile .btn { margin-top: .5rem; }
@media (min-width: 768px) {
  .nav-toggle-btn, .nav-mobile, .nav-toggle:checked ~ .nav-mobile { display: none; }
}

/* ---------- Pulsanti ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  border-radius: calc(var(--radius) - 2px);
  font-size: .875rem; font-weight: 600; line-height: 1.25rem;
  padding: .75rem 1.75rem; cursor: pointer;
  transition: background-color .15s, color .15s;
}
.btn--sm { padding: .625rem 1.25rem; font-weight: 500; }
.btn--lg { padding: .875rem 1.75rem; }
.btn--xl { padding: .875rem 2rem; }
.btn--primary { background: var(--primary); color: var(--primary-fg); }
.btn--primary:hover { background: var(--petrol-light); }
.btn--accent { background: var(--accent); color: var(--accent-fg); }
.btn--accent:hover { background: var(--coral-light); }
.btn--outline { border: 1px solid var(--border); color: var(--foreground); }
.btn--outline:hover { background: var(--secondary); }

.link-accent { display: inline-flex; align-items: center; gap: .5rem; font-size: .875rem; font-weight: 500; color: var(--accent); }
.link-accent:hover { text-decoration: underline; }

/* ---------- Titoli di sezione ---------- */
/* Testi tutti allineati a sinistra (richiesta del cliente, 10/2026). Il titolo prende la
   larghezza del blocco che segue (classe narrow / w-4xl / w-5xl accanto a section-heading). */
.section-heading { margin-bottom: 3rem; }
.section-heading > p { max-width: 42rem; }
@media (min-width: 768px) { .section-heading { margin-bottom: 4rem; } }
.eyebrow {
  display: inline-block; margin-bottom: .75rem;
  font-size: .75rem; font-weight: 600; text-transform: uppercase; letter-spacing: .1em;
  color: var(--accent);
}
.section-heading h2, .h-section {
  font-size: 1.875rem; line-height: 1.25; font-weight: 700;
}
@media (min-width: 768px) { .section-heading h2, .h-section { font-size: 2.25rem; } }
.section-heading p { margin-top: 1rem; color: var(--muted-fg); line-height: 1.625; }

.text-muted { color: var(--muted-fg); }
.prose { color: var(--muted-fg); line-height: 1.625; }
.prose > * + * { margin-top: 1.5rem; }

/* ---------- Icone in riquadro ---------- */
.icon-box {
  width: 3rem; height: 3rem; border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
  background: hsl(8 45% 58% / .1); color: var(--accent);
}
.icon-box--primary { background: hsl(200 35% 28% / .1); color: var(--primary); }
.icon-box--sm { width: 2.75rem; height: 2.75rem; }
.icon-circle {
  width: 3.5rem; height: 3.5rem; border-radius: 9999px; margin: 0 0 1rem;
  display: flex; align-items: center; justify-content: center;
  background: hsl(200 35% 28% / .1); color: var(--primary);
}

/* ---------- Card ---------- */
.card {
  display: block; background: var(--background);
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 2rem; transition: border-color .15s, box-shadow .15s;
}
.card--surface { background: var(--surface); }
.card--p7 { padding: 1.75rem; }
.card--p6 { padding: 1.5rem; }
a.card:hover { border-color: hsl(8 45% 58% / .3); box-shadow: 0 1px 2px rgb(0 0 0 / .05); }
.card .icon-box { margin-bottom: 1.25rem; }
.card h3 { font-size: 1.125rem; font-weight: 600; margin-bottom: .75rem; transition: color .15s; }
.card h3.h-base { font-size: 1rem; }
.card h3.h-xl { font-size: 1.25rem; }
.card p { font-size: .875rem; line-height: 1.625; color: var(--muted-fg); }
a.card:hover h3 { color: var(--accent); }

.card-kicker { font-size: .75rem; font-weight: 600; text-transform: uppercase; letter-spacing: .05em; color: var(--muted-fg); }
.card-kicker + h3 { margin-top: .5rem; margin-bottom: .5rem; }
.card .card-text { margin-bottom: 1rem; }

.pill {
  display: inline-block; font-size: .75rem; font-weight: 600;
  color: var(--accent); background: hsl(8 45% 58% / .1);
  border-radius: 9999px; padding: .25rem .75rem;
}
.pill--lg { font-size: .875rem; padding: .375rem 1rem; }

.more-link {
  display: flex; align-items: center; gap: .25rem; margin-top: 1rem;
  font-size: .875rem; font-weight: 500; color: var(--accent);
  opacity: 0; transition: opacity .15s;
}
a.card:hover .more-link, a.card:focus-visible .more-link { opacity: 1; }
@media (hover: none) { .more-link { opacity: 1; } }

.bullets { margin-top: 1rem; }
.bullets li { display: flex; align-items: center; gap: .5rem; font-size: .75rem; font-weight: 500; color: var(--accent); }
.bullets li + li { margin-top: .375rem; }
.bullets li::before { content: ""; width: .25rem; height: .25rem; border-radius: 9999px; background: var(--accent); flex-shrink: 0; }

/* ---------- Home: hero ---------- */
.hero { position: relative; overflow: hidden; }
.hero::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(135deg, hsl(8 45% 58% / .08) 0%, hsl(170 30% 70% / .08) 50%, hsl(200 35% 28% / .05) 100%);
}
.hero__inner { position: relative; padding-block: 6rem; }
@media (min-width: 768px)  { .hero__inner { padding-block: 9rem; } }
@media (min-width: 1024px) { .hero__inner { padding-block: 11rem; } }
.hero__content { max-width: 48rem; }
.hero h1 { font-size: 2.25rem; line-height: 1.25; font-weight: 700; }
@media (min-width: 768px)  { .hero h1 { font-size: 3rem; } }
@media (min-width: 1024px) { .hero h1 { font-size: 3.75rem; } }
.hero__lead { margin-top: 1rem; font-size: 1.125rem; font-weight: 500; color: var(--accent); }
@media (min-width: 768px) { .hero__lead { font-size: 1.25rem; } }
.hero__text { margin-top: 1.25rem; max-width: 42rem; line-height: 1.625; color: var(--muted-fg); }
.hero__actions { margin-top: 2.5rem; display: flex; flex-wrap: wrap; gap: 1rem; }
.hero__line {
  display: none; position: absolute; width: 1px; transform: rotate(12deg);
  background: linear-gradient(135deg, hsl(8 45% 58%) 0%, hsl(20 40% 65%) 30%, hsl(170 30% 70%) 70%, hsl(200 25% 40%) 100%);
}
.hero__line--1 { top: 5rem; right: 5rem; height: 16rem; opacity: .3; }
.hero__line--2 { top: 7rem; right: 7rem; height: 12rem; opacity: .2; }
@media (min-width: 1024px) { .hero__line { display: block; } }

/* ---------- Home: numeri ---------- */
.stat__value { display: block; font-family: var(--font-heading); font-size: 1.875rem; font-weight: 700; color: var(--primary); }
.stat__label { display: block; margin-top: .5rem; font-size: .875rem; color: var(--muted-fg); }
@media (min-width: 768px) { .stat__value { font-size: 2.25rem; } }

/* ---------- Home: perché noi ---------- */
.feature { display: flex; gap: 1.25rem; }
.feature h3 { font-size: 1rem; font-weight: 600; margin-bottom: .375rem; }
.feature p { font-size: .875rem; line-height: 1.625; color: var(--muted-fg); }

/* ---------- Home: metodo M.A.R.S. ---------- */
.step { padding: 1rem; }
.step__letter {
  width: 3.5rem; height: 3.5rem; margin: 0 0 1rem; border-radius: 9999px;
  display: flex; align-items: center; justify-content: center;
  background: hsl(200 35% 28% / .1);
  font-family: var(--font-heading); font-size: 1.25rem; font-weight: 700; color: var(--primary);
}
.step__phase { display: block; margin-bottom: .5rem; font-size: .75rem; font-weight: 700; text-transform: uppercase; letter-spacing: .1em; color: var(--accent); }
.step h3 { font-size: .875rem; font-weight: 600; margin-bottom: .5rem; }
.step p { font-size: .75rem; line-height: 1.625; color: var(--muted-fg); }
@media (min-width: 768px) {
  .step { padding: 1.5rem; }
  .step__letter { width: 4rem; height: 4rem; font-size: 1.5rem; }
  .step h3 { font-size: 1rem; }
  .step p { font-size: .875rem; }
}

/* ---------- CTA finale ---------- */
.cta h2 { font-size: 1.875rem; font-weight: 700; margin-bottom: 1rem; }
@media (min-width: 768px) { .cta h2 { font-size: 2.25rem; } }
.cta p { max-width: 36rem; margin: 0 0 2rem; color: rgb(255 255 255 / .7); }

/* ---------- Chi siamo ---------- */
.founder { display: grid; gap: 3rem; align-items: start; }
@media (min-width: 768px) { .founder { grid-template-columns: 1fr 1fr; } }
.founder h2 { font-size: 1.5rem; font-weight: 700; margin-bottom: 1rem; }
@media (min-width: 768px) { .founder h2 { font-size: 1.875rem; } }
.founder p { color: var(--muted-fg); line-height: 1.625; margin-bottom: 1rem; }
.quote { font-style: italic; border-left: 2px solid hsl(8 45% 58% / .3); padding-left: 1rem; }
.heading-icon { display: flex; align-items: center; gap: .75rem; margin-bottom: 1rem; color: var(--accent); }
.heading-icon h3 { font-size: 1.125rem; font-weight: 600; color: var(--foreground); }
.timeline { margin-top: 2rem; }
.timeline__item { border-left: 2px solid hsl(8 45% 58% / .3); padding-left: 1rem; }
.timeline__item + .timeline__item { margin-top: 1rem; }
.timeline__item h4 { font-size: .875rem; font-weight: 600; }
.timeline__meta { font-size: .75rem; font-weight: 500; color: var(--accent); }
.founder .timeline__item p { font-size: .875rem; margin: .25rem 0 0; }
.checklist li { display: flex; align-items: flex-start; gap: .75rem; font-size: .875rem; color: var(--muted-fg); }
.checklist li + li { margin-top: .75rem; }
.checklist .icon { color: var(--accent); margin-top: .25rem; }
.checklist a { color: var(--accent); text-decoration: underline; }
.card .heading-icon { margin-bottom: 1.5rem; }
.card .heading-icon h3 { margin: 0; }

.person h3 { font-size: .875rem; font-weight: 600; margin: 0; }
.person__role { font-size: .75rem; font-weight: 500; color: var(--accent); margin-top: .25rem; }
.card .person__desc { font-size: .75rem; margin-top: .5rem; }
.subheading { font-size: 1rem; font-weight: 600; margin-bottom: 1.5rem; }

.cert h3 { font-size: 1rem; line-height: 1.375; margin-bottom: .5rem; }
.cert__issuer { font-size: .875rem; font-weight: 500; color: var(--accent); margin-bottom: .75rem; }
.card .cert__desc { font-size: .75rem; margin-bottom: 1rem; }
.cert__meta li { display: flex; align-items: center; gap: .5rem; font-size: .75rem; color: var(--muted-fg); }
.cert__meta li + li { margin-top: .375rem; }
.cert__meta .icon { opacity: .6; }
a.card.cert:hover h3 { color: inherit; }

.value h3 { font-size: 1rem; font-weight: 600; margin-bottom: .5rem; }
.value p { font-size: .875rem; line-height: 1.625; color: var(--muted-fg); }

/* ---------- Servizi ---------- */
.service-title { display: flex; align-items: center; gap: 1rem; margin-bottom: 2rem; }
.service-title h2 { font-size: 1.5rem; font-weight: 700; }
@media (min-width: 768px) { .service-title h2 { font-size: 1.875rem; } }
.service-cols h3 {
  font-family: var(--font-sans); font-size: .75rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: .1em; color: var(--accent); margin-bottom: .75rem;
}
.service-cols p { font-size: .875rem; line-height: 1.625; color: var(--muted-fg); }

/* ---------- Dettaglio progetto ---------- */
.back-link { display: inline-flex; align-items: center; gap: .5rem; font-size: .875rem; color: var(--muted-fg); margin-bottom: 1.5rem; transition: color .15s; }
.back-link:hover { color: var(--accent); }
.study h1 { font-size: 1.875rem; font-weight: 700; margin: .75rem 0 1rem; }
@media (min-width: 768px) { .study h1 { font-size: 2.25rem; } }
.study__summary { font-size: 1.125rem; color: var(--muted-fg); margin-bottom: 1rem; }
.study .pill { margin-bottom: 3rem; }
.figure { border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.figure img { width: 100%; }
.figure figcaption { background: var(--surface); padding: .5rem .75rem; font-size: .75rem; color: var(--muted-fg); }
.figure--hero { margin-bottom: 3rem; }
.figure--hero figcaption { padding-inline: 1rem; }
.study__block + .study__block { margin-top: 2.5rem; }
.study__block .heading-icon { margin-bottom: .75rem; }
.study__block h2 { font-size: 1.125rem; font-weight: 600; color: var(--foreground); }
.study__block p { color: var(--muted-fg); line-height: 1.625; padding-left: 2rem; }
.gallery { margin-top: 3rem; }
.gallery h2 { font-size: 1.125rem; font-weight: 600; margin-bottom: 1.5rem; }
.gallery .grid { gap: 1rem; }
@media (min-width: 768px) { .gallery .figure--wide { grid-column: span 2; } }
.study__cta { margin-top: 4rem; padding-top: 2.5rem; border-top: 1px solid var(--border); }
.study__cta p { color: var(--muted-fg); margin-bottom: 1rem; }

/* ---------- Contatti ---------- */
.contact-grid { display: grid; gap: 3rem; }
@media (min-width: 768px) { .contact-grid { grid-template-columns: 2fr 1fr; } }
.form { display: grid; gap: 1.25rem; }
.form__row { display: grid; gap: 1.25rem; }
@media (min-width: 768px) { .form__row { grid-template-columns: 1fr 1fr; } }
.form label.field-label { display: block; font-size: .875rem; font-weight: 500; margin-bottom: .375rem; }
.form input[type="text"], .form input[type="email"], .form textarea {
  width: 100%; border: 1px solid var(--border); border-radius: calc(var(--radius) - 2px);
  background: var(--background); padding: .625rem 1rem; font-size: .875rem;
}
.form textarea { resize: none; }
.form input::placeholder, .form textarea::placeholder { color: var(--muted-fg); }
.form input:focus, .form textarea:focus { outline: none; box-shadow: 0 0 0 2px var(--primary); }
.form .consent { display: flex; align-items: flex-start; gap: .75rem; cursor: pointer; font-size: .75rem; line-height: 1.625; color: var(--muted-fg); }
.form .consent input { margin-top: .25rem; accent-color: var(--primary); }
.form .consent a { text-decoration: underline; }
.form button { justify-self: start; border: 0; }
.form button:disabled { opacity: .5; cursor: not-allowed; }
.hp-field { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.contact-info h3 { font-size: .875rem; font-weight: 600; text-transform: uppercase; letter-spacing: .05em; margin-bottom: 1rem; }
.contact-info ul { font-size: .875rem; color: var(--muted-fg); }
.contact-info li + li { margin-top: 1rem; }
.contact-info li > * { display: flex; align-items: center; gap: .75rem; }
.contact-info .icon { color: var(--accent); }
.contact-info a:hover { color: var(--accent); }
.contact-info .card { margin-top: 1.5rem; padding: 1.5rem; background: var(--surface); }
.contact-info .card h4 { font-size: .875rem; font-weight: 600; margin-bottom: .5rem; }
.contact-info .card p { font-size: .75rem; }

.notice {
  border-radius: var(--radius); padding: 1rem 1.25rem; margin-bottom: 1.5rem;
  font-size: .875rem; border: 1px solid;
}
.notice--ok { background: hsl(170 30% 70% / .15); border-color: hsl(170 30% 55%); color: hsl(170 40% 20%); }
.notice--error { background: hsl(0 84% 60% / .08); border-color: hsl(0 70% 70%); color: hsl(0 60% 35%); }

.field-hint { font-weight: 400; color: var(--muted-fg); }
.form input[type="tel"] {
  width: 100%; border: 1px solid var(--border); border-radius: calc(var(--radius) - 2px);
  background: var(--background); padding: .625rem 1rem; font-size: .875rem;
}
.form input[type="tel"]:focus { outline: none; box-shadow: 0 0 0 2px var(--primary); }
.file-input {
  width: 100%; font-size: .875rem; color: var(--muted-fg);
  border: 1px dashed var(--border); border-radius: calc(var(--radius) - 2px); padding: .75rem 1rem;
}
.file-input::file-selector-button {
  margin-right: 1rem; border: 0; border-radius: calc(var(--radius) - 2px);
  background: var(--secondary); color: var(--foreground);
  padding: .5rem 1rem; font-weight: 500; cursor: pointer;
}
.file-input::file-selector-button:hover { background: var(--border); }

/* Pagina contatti */
.contact-card { padding: 1.75rem; }
.contact-card .icon-box { margin: 0 0 1rem; }
.contact-card h3 { margin-bottom: .25rem; }
.contact-card p { word-break: break-word; }
.contact-actions { margin-top: 4rem; }
.action-card { display: flex; flex-direction: column; align-items: flex-start; }
.action-card h2 { font-size: 1.25rem; font-weight: 700; margin-bottom: .75rem; }
.action-card p { margin-bottom: 1.5rem; flex: 1; }
.card.action-card .icon-box { margin-bottom: 1.25rem; }

/* Esito invio */
.result h1 { font-size: 1.875rem; font-weight: 700; margin-bottom: 1rem; }
.result p { color: var(--muted-fg); line-height: 1.625; margin-bottom: 2rem; }
.result a:not(.btn) { color: var(--accent); text-decoration: underline; }
.result__icon { width: 4rem; height: 4rem; margin-bottom: 1.5rem; }
.result__icon.is-ok { background: hsl(170 30% 70% / .25); color: hsl(170 40% 30%); }
.result__icon.is-error { background: hsl(8 45% 58% / .12); color: var(--accent); }

/* ---------- Home: certificazioni ---------- */
.cert-logo { display: flex; flex-direction: column; }
.cert-logo__img {
  height: 7rem; margin-bottom: 1.25rem;
  display: flex; align-items: center; justify-content: flex-start;
}
.cert-logo__img img { max-height: 100%; width: auto; object-fit: contain; }
.card.cert-logo h3 { margin-bottom: .5rem; }
.cert-logo p { flex: 1; }
.card .cert-logo__by { flex: 0; margin-top: 1rem; font-size: .75rem; font-weight: 600; color: var(--accent); }

/* ---------- Chi siamo: foto team ---------- */
.team-photo { max-width: 34rem; margin-bottom: 3rem; }

/* ---------- Immagini progetti: ridotte, cliccabili per ingrandire ---------- */
.zoom { position: relative; display: block; cursor: zoom-in; }
.zoom__hint {
  position: absolute; top: .5rem; right: .5rem;
  display: flex; padding: .375rem; border-radius: calc(var(--radius) - 2px);
  background: rgb(255 255 255 / .9); color: var(--foreground);
  opacity: 0; transition: opacity .15s;
}
.zoom:hover .zoom__hint, .zoom:focus-visible .zoom__hint { opacity: 1; }
@media (hover: none) { .zoom__hint { opacity: 1; } }
.figure--hero { max-width: 34rem; }
.figure--thumb img { height: 10rem; object-fit: contain; background: var(--surface); }

/* ---------- Pagine legali ---------- */
.legal h1 { font-size: 1.875rem; font-weight: 700; margin-bottom: .5rem; }
@media (min-width: 768px) { .legal h1 { font-size: 2.25rem; } }
.legal__updated { font-size: .875rem; color: var(--muted-fg); margin-bottom: 1.5rem; }
.legal__intro { line-height: 1.625; margin-bottom: 2rem; }
.legal__toc { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.25rem 1.5rem; margin-bottom: 2.5rem; }
.legal__toc ol { list-style: none; padding: 0; margin: 0; display: grid; gap: .375rem; font-size: .875rem; }
.legal__toc a { color: var(--primary); }
.legal__toc a:hover { color: var(--accent); }
.legal section { scroll-margin-top: calc(var(--header-h) + 1rem); }
.legal section + section { margin-top: 2.5rem; }
.legal h2 { font-size: 1.25rem; font-weight: 600; margin-bottom: 1rem; }
.legal p, .legal li { color: var(--muted-fg); line-height: 1.7; }
.legal p + p, .legal ul + p, .legal p + ul { margin-top: .75rem; }
.legal ul { list-style: disc; padding-left: 1.25rem; }
.legal li + li { margin-top: .5rem; }
.legal strong { color: var(--foreground); font-weight: 600; }
.legal section a { color: var(--accent); text-decoration: underline; }

/* ---------- Footer ---------- */
.site-footer { background: var(--primary); color: var(--primary-fg); }
.site-footer .container { padding-block: 3rem; }
.footer-grid { display: grid; gap: 2.5rem; text-align: center; }
@media (min-width: 768px) {
  .footer-grid { grid-template-columns: repeat(3, 1fr); text-align: left; justify-items: center; }
  .footer-grid > :first-child { justify-self: start; padding-left: 2rem; }
}
.site-footer h2 { font-size: 1.25rem; font-weight: 700; margin-bottom: 1rem; }
.site-footer h3 { font-size: .875rem; font-weight: 600; text-transform: uppercase; letter-spacing: .05em; margin-bottom: 1rem; }
.footer-about { max-width: 28rem; font-size: .875rem; line-height: 1.625; color: rgb(255 255 255 / .7); }
.footer-list { display: flex; flex-direction: column; gap: .75rem; font-size: .875rem; color: rgb(255 255 255 / .7); }
.footer-list li > * { display: inline-flex; align-items: center; gap: .5rem; }
.footer-list a:hover { color: var(--primary-fg); }
.footer-bottom {
  border-top: 1px solid rgb(255 255 255 / .1); margin-top: 2rem; padding-top: 1rem;
  text-align: center; font-size: .75rem; color: rgb(255 255 255 / .5);
}

/* ---------- 404 ---------- */
.not-found { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: var(--muted); text-align: center; padding: 2rem; }
.not-found h1 { font-size: 2.25rem; font-weight: 700; margin-bottom: 1rem; }
.not-found p { font-size: 1.25rem; color: var(--muted-fg); margin-bottom: 1rem; }
.not-found a { color: var(--primary); text-decoration: underline; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}