/* =====================================================================
   GM Radiocom — "La Dorsale" · lane sobria / istituzionale / tecnica
   Telecomunicazioni professionali. Static, performante, motion-ready.
   Motion hooks: [data-reveal], [data-parallax] — la pagina è interamente
   visibile senza JS; i reveal si armano SOLO sotto html.has-motion.
   ===================================================================== */

/* ---------- Tokens ---------- */
:root {
  --bg:          #0E1620;   /* graphite-blu profondo: "notte in quota" */
  --bg-2:        #131E2B;   /* sezioni scure alternate */
  --bg-3:        #18222F;
  --paper:       #F4F6F8;   /* off-white freddo */
  --paper-2:     #E9EEF3;   /* fasce chiare alternate */
  --ink:         #0E1620;   /* testo su chiaro */
  --ink-soft:    #4A5765;   /* testo secondario su chiaro */
  --steel:       #6B7B8C;   /* terziario / etichette tenui */
  --line:        rgba(14,22,32,0.12);
  --line-light:  rgba(220,232,244,0.16);
  --signal:      #2E74E0;   /* blu segnale — CTA, link, accenti */
  --signal-700:  #1F5BC0;
  --signal-300:  #7CB0F2;   /* segnale chiaro su scuro */
  --snow:        #DCE6F0;   /* testo su scuro */
  --snow-soft:   rgba(220,230,240,0.66);

  --maxw: 1240px;
  --gutter: clamp(1.25rem, 4vw, 4rem);
  --radius: 6px;

  --ff-display: "Archivo", system-ui, "Segoe UI", sans-serif;
  --ff-body: "Inter", system-ui, sans-serif;
  --ff-mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", monospace;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --section-pad: clamp(4.5rem, 9vw, 9rem);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  font-family: var(--ff-body);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.62;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, picture, svg { display: block; max-width: 100%; }
img { height: auto; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; padding: 0; }
em { font-style: italic; }
strong { font-weight: 600; }

/* ---------- technical grain (fixed, leggerissima) ---------- */
.grain {
  position: fixed; inset: 0; z-index: 9999; pointer-events: none;
  opacity: 0.035; mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 160px 160px;
}

/* ---------- Skip / a11y ---------- */
.skip-link {
  position: absolute; left: 0; top: -60px; z-index: 10000;
  background: var(--ink); color: var(--paper); padding: 0.6rem 1rem;
  font-family: var(--ff-mono); font-size: 0.8rem; transition: top 0.2s;
}
.skip-link:focus { top: 0; }
:focus-visible { outline: 2px solid var(--signal); outline-offset: 3px; }

/* ---------- Type primitives ---------- */
.mono {
  font-family: var(--ff-mono);
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 400;
}
.eyebrow {
  font-family: var(--ff-mono);
  font-size: 0.74rem; text-transform: uppercase; letter-spacing: 0.18em;
  color: var(--signal-700);
  display: inline-flex; align-items: center; gap: 0.7em;
  margin-bottom: 1.4rem;
}
.eyebrow::before {
  content: ""; width: 2rem; height: 1px; background: currentColor; opacity: 0.8;
}
.eyebrow--light { color: var(--signal-300); }

h1, h2, h3 {
  font-family: var(--ff-display);
  font-weight: 700;
  line-height: 1.06;
  letter-spacing: -0.018em;
}

/* ---------- Buttons ---------- */
.btn {
  --bg-btn: var(--signal); --fg: #fff;
  position: relative; display: inline-flex; align-items: center; justify-content: center;
  gap: 0.5em; padding: 0.9rem 1.6rem;
  font-family: var(--ff-mono); font-size: 0.76rem; text-transform: uppercase; letter-spacing: 0.1em;
  font-weight: 500; color: var(--fg); border-radius: 4px;
  border: 1px solid transparent; overflow: hidden; isolation: isolate;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), color 0.3s var(--ease), background 0.3s var(--ease);
  cursor: pointer;
}
.btn span { position: relative; z-index: 1; }
.btn--cta { background: var(--bg-btn); box-shadow: 0 8px 22px -12px rgba(46,116,224,0.8); }
.btn--cta::after {
  content: ""; position: absolute; inset: 0; z-index: 0;
  background: var(--signal-700); transform: translateY(101%); transition: transform 0.4s var(--ease);
}
.btn--cta:hover { transform: translateY(-2px); }
.btn--cta:hover::after { transform: translateY(0); }
.btn--lg { padding: 1.05rem 2.2rem; font-size: 0.82rem; }
.btn--ghost {
  background: transparent; border-color: var(--line); color: var(--ink);
}
.btn--ghost::after {
  content: ""; position: absolute; inset: 0; z-index: 0; background: var(--ink);
  transform: scaleX(0); transform-origin: left; transition: transform 0.4s var(--ease);
}
.btn--ghost:hover { color: var(--paper); }
.btn--ghost:hover::after { transform: scaleX(1); }
.btn--ghost-light { color: var(--snow); border-color: rgba(220,230,240,0.4); }
.btn--ghost-light::after { background: var(--snow); }
.btn--ghost-light:hover { color: var(--bg); }

/* ---------- Header ---------- */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; padding: 1.05rem var(--gutter);
  color: var(--snow);
  transition: background 0.4s var(--ease), color 0.4s var(--ease), padding 0.4s var(--ease), box-shadow 0.4s var(--ease);
}
.site-header.is-scrolled {
  background: rgba(244,246,248,0.92);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  color: var(--ink);
  padding-top: 0.6rem; padding-bottom: 0.6rem;
  box-shadow: 0 1px 0 var(--line);
}
.brand { display: inline-flex; align-items: center; gap: 0.6rem; color: inherit; }
.brand__mark { width: 30px; color: var(--signal-300); }
.site-header.is-scrolled .brand__mark { color: var(--signal); }
.brand__mark svg { width: 100%; height: auto; }
.brand__txt {
  font-family: var(--ff-display); font-weight: 700; font-size: 0.95rem;
  letter-spacing: 0.01em; line-height: 1;
}
.site-nav { display: flex; gap: 1.7rem; }
.site-nav a {
  font-family: var(--ff-mono); font-size: 0.74rem; text-transform: uppercase;
  letter-spacing: 0.1em; position: relative; padding: 0.3rem 0; opacity: 0.9;
}
.site-nav a::after {
  content: ""; position: absolute; left: 0; bottom: -2px; height: 1px; width: 0;
  background: var(--signal-300); transition: width 0.3s var(--ease);
}
.site-header.is-scrolled .site-nav a::after { background: var(--signal); }
.site-nav a:hover::after, .site-nav a.is-active::after { width: 100%; }
.header-cta { padding: 0.6rem 1.2rem; }

.nav-toggle { display: none; }

/* ---------- Mobile nav ---------- */
.mobile-nav {
  position: fixed; inset: 0; z-index: 99; background: var(--bg);
  display: flex; align-items: center; justify-content: center;
}
.mobile-nav[hidden] { display: none; }
.mobile-nav nav { display: flex; flex-direction: column; gap: 1.5rem; text-align: center; }
.mobile-nav a {
  font-family: var(--ff-display); font-weight: 700; font-size: clamp(1.7rem, 8vw, 2.4rem); color: var(--snow);
}
.mobile-nav .btn { font-family: var(--ff-mono); font-size: 0.82rem; margin-top: 1rem; }

/* ===================================================================
   HERO — grafica vettoriale (topografia + segnale), nessuna foto stirata
   =================================================================== */
.hero {
  position: relative; min-height: 100svh; display: flex; align-items: flex-end;
  padding: 7rem var(--gutter) clamp(3rem, 7vh, 5rem);
  overflow: hidden; color: var(--snow);
  background:
    radial-gradient(120% 90% at 78% 8%, rgba(46,116,224,0.16), transparent 52%),
    linear-gradient(180deg, var(--bg) 0%, #0A111A 100%);
}
.hero__graphic { position: absolute; inset: 0; z-index: 0; color: var(--signal-300); }
.hero__contours { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero__veil {
  position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(to top, rgba(10,17,26,0.92) 6%, rgba(10,17,26,0.5) 42%, rgba(10,17,26,0.12) 78%);
}
.hero__inner { position: relative; z-index: 2; max-width: 60rem; }
.hero__title {
  font-size: clamp(2.7rem, 8.2vw, 6.4rem);
  line-height: 1.02; letter-spacing: -0.03em; margin: 0.4rem 0 1.5rem;
  font-weight: 800;
}
.hero__title .line { display: block; }
.hero__title em { color: var(--signal-300); font-style: normal; }
.hero__sub {
  font-size: clamp(1.05rem, 2vw, 1.35rem); max-width: 50ch; color: var(--snow-soft);
  font-weight: 400; line-height: 1.55;
}
.hero__cta { display: flex; flex-wrap: wrap; gap: 0.8rem; margin-top: 2rem; }
.hero__tags {
  display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 2.2rem;
}
.hero__tags li {
  border: 1px solid var(--line-light); border-radius: 100px;
  padding: 0.4rem 0.9rem; color: var(--snow-soft); letter-spacing: 0.08em;
}
.hero__scroll {
  position: absolute; right: var(--gutter); bottom: clamp(2rem, 6vh, 4rem); z-index: 2;
  display: flex; flex-direction: column; align-items: center; gap: 0.7rem;
  color: var(--snow-soft); font-size: 0.64rem; writing-mode: vertical-rl;
}
.hero__scroll-line {
  width: 1px; height: 48px; background: linear-gradient(var(--signal-300), transparent);
  animation: scrollPulse 2.4s var(--ease) infinite;
}
@keyframes scrollPulse { 0%,100%{transform:scaleY(0.4);opacity:0.4;transform-origin:top} 50%{transform:scaleY(1);opacity:1;transform-origin:top} }
@media (prefers-reduced-motion: reduce) { .hero__scroll-line { animation: none; } }

/* ---------- Marquee (sobrio) ---------- */
.marquee {
  background: var(--bg-2); color: var(--snow); overflow: hidden;
  padding: 0.7rem 0; border-top: 1px solid var(--line-light); border-bottom: 1px solid var(--line-light);
}
.marquee__track {
  display: inline-flex; align-items: center; gap: 1.2rem; white-space: nowrap;
  font-family: var(--ff-mono); text-transform: uppercase; letter-spacing: 0.12em; font-size: 0.76rem;
  color: var(--snow-soft);
  animation: marquee 42s linear infinite; will-change: transform;
}
.marquee__track .dot { color: var(--signal); }
@keyframes marquee { to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) { .marquee__track { animation: none; } }

/* ===================================================================
   Sections shared
   =================================================================== */
.section--dark {
  position: relative; color: var(--snow); background: var(--bg);
}
.section--dark::before {
  /* topografia tenue ricorrente: firma della lane */
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: 0.5;
  background:
    radial-gradient(100% 60% at 85% -10%, rgba(46,116,224,0.10), transparent 60%);
}
.section--dark > * { position: relative; z-index: 1; }

.section-head { max-width: var(--maxw); margin: 0 auto clamp(2.5rem, 5vw, 4rem); padding: 0 var(--gutter); }
.section-title {
  font-size: clamp(2rem, 4.6vw, 3.4rem); line-height: 1.04; max-width: 20ch;
}
.section-title em { color: var(--signal); font-style: normal; }
.section--dark .section-title em { color: var(--signal-300); }
.section-intro { margin-top: 1.2rem; max-width: 52ch; font-size: 1.06rem; color: var(--ink-soft); }
.section--dark .section-intro, .section-head--light .section-intro { color: var(--snow-soft); }

/* ===================================================================
   APPROCCIO / CHI SIAMO
   =================================================================== */
.approccio { padding: var(--section-pad) 0; }
.approccio__grid {
  max-width: var(--maxw); margin: 0 auto; padding: 0 var(--gutter);
  display: grid; grid-template-columns: 1.1fr 0.9fr; gap: clamp(2rem, 6vw, 5rem); align-items: start;
}
.approccio__text .lead {
  font-family: var(--ff-display); font-weight: 500; font-size: clamp(1.3rem, 2.3vw, 1.7rem);
  line-height: 1.3; color: var(--snow); margin: 1.6rem 0 1.2rem; letter-spacing: -0.01em;
}
.approccio__text p { color: var(--snow-soft); font-size: 1.06rem; max-width: 50ch; }
.approccio__text p strong { color: var(--snow); }
.creds { display: flex; flex-direction: column; gap: 0; border-top: 1px solid var(--line-light); }
.cred {
  display: flex; flex-direction: column; gap: 0.35rem;
  padding: 1.2rem 0; border-bottom: 1px solid var(--line-light);
}
.cred__k { color: var(--signal-300); letter-spacing: 0.16em; }
.cred__v { color: var(--snow); font-size: 1.05rem; font-weight: 500; }

/* ===================================================================
   SERVIZI — griglia di card sobrie
   =================================================================== */
.servizi { padding: var(--section-pad) 0; }
.cards {
  max-width: var(--maxw); margin: 0 auto; padding: 0 var(--gutter);
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px;
  background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
}
.card {
  background: var(--paper); padding: 1.8rem 1.5rem 2rem;
  display: flex; flex-direction: column; gap: 0.6rem;
  position: relative; transition: background 0.3s var(--ease);
}
.card::after {
  content: ""; position: absolute; left: 0; top: 0; height: 2px; width: 0;
  background: var(--signal); transition: width 0.4s var(--ease);
}
.card:hover { background: #fff; }
.card:hover::after { width: 100%; }
.card__index { color: var(--steel); letter-spacing: 0.16em; }
.card__title {
  font-family: var(--ff-display); font-weight: 700; font-size: 1.2rem; line-height: 1.2;
  margin-top: 0.2rem;
}
.card p { color: var(--ink-soft); font-size: 0.96rem; line-height: 1.55; }

/* ===================================================================
   SETTORI
   =================================================================== */
.settori { padding: var(--section-pad) 0; background: var(--paper-2); }
.sectors {
  max-width: var(--maxw); margin: 0 auto; padding: 0 var(--gutter);
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.4rem;
}
.sector {
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.6rem 1.5rem; transition: transform 0.3s var(--ease), border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.sector:hover { transform: translateY(-3px); border-color: rgba(46,116,224,0.4); box-shadow: 0 18px 40px -30px rgba(14,22,32,0.5); }
.sector__n { color: var(--signal); letter-spacing: 0.18em; }
.sector h3 { font-family: var(--ff-display); font-weight: 700; font-size: 1.18rem; margin: 0.7rem 0 0.5rem; }
.sector p { color: var(--ink-soft); font-size: 0.95rem; }

/* ===================================================================
   LA RETE / POSTAZIONI
   =================================================================== */
.rete { padding: var(--section-pad) 0; }
.feature {
  max-width: var(--maxw); margin: 0 auto clamp(2.5rem, 5vw, 3.5rem); padding: 0 var(--gutter);
  display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(1.5rem, 5vw, 4rem); align-items: center;
}
.feature__media { position: relative; border-radius: var(--radius); overflow: hidden; }
.feature__media img {
  width: 100%; aspect-ratio: 16/10; object-fit: cover;
  /* foto a bassa risoluzione → trattamento duotone freddo per coerenza + mascherare i limiti */
  filter: grayscale(0.35) contrast(1.05) brightness(0.92);
}
.feature__media::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(46,116,224,0.18), rgba(10,17,26,0.55));
  mix-blend-mode: multiply;
}
.feature__media figcaption {
  position: absolute; left: 0.9rem; bottom: 0.9rem; z-index: 2;
  background: rgba(10,17,26,0.78); color: var(--snow); padding: 0.4rem 0.8rem; border-radius: 3px;
  font-size: 0.64rem; border: 1px solid var(--line-light);
}
.feature__k { color: var(--signal-300); letter-spacing: 0.16em; margin-bottom: 0.8rem; }
.feature__title { font-family: var(--ff-display); font-weight: 700; font-size: clamp(1.8rem, 3.6vw, 2.6rem); margin-bottom: 1rem; }
.feature__body p { color: var(--snow-soft); max-width: 46ch; }
.feature__body p strong { color: var(--snow); }
.feature__status { margin-top: 1.2rem; color: var(--signal-300); letter-spacing: 0.14em; }

.sites {
  max-width: var(--maxw); margin: 0 auto; padding: 0 var(--gutter);
  border-top: 1px solid var(--line-light);
}
.site {
  display: grid; grid-template-columns: 1.4fr 1fr 0.6fr 0.9fr; gap: 1rem; align-items: baseline;
  padding: 1.25rem 0; border-bottom: 1px solid var(--line-light);
  transition: padding-left 0.3s var(--ease);
}
.site:hover { padding-left: 0.6rem; }
.site__name { font-family: var(--ff-display); font-weight: 600; font-size: 1.15rem; color: var(--snow); }
.site__loc, .site__alt { color: var(--snow-soft); letter-spacing: 0.08em; }
.site__status { color: var(--signal-300); letter-spacing: 0.1em; justify-self: end; }
.site__status--wip { color: #E2A23B; }
.sites__note { margin-top: 1.4rem; padding: 0 var(--gutter); max-width: var(--maxw); margin-left: auto; margin-right: auto; color: var(--snow-soft); letter-spacing: 0.08em; }

/* ===================================================================
   MARCHI
   =================================================================== */
.marchi { padding: var(--section-pad) 0; }
.brands {
  max-width: var(--maxw); margin: 0 auto; padding: 0 var(--gutter);
  display: flex; flex-wrap: wrap; gap: 0.8rem;
}
.brands li {
  font-family: var(--ff-display); font-weight: 600; font-size: 1.05rem;
  color: var(--ink); padding: 0.85rem 1.4rem;
  border: 1px solid var(--line); border-radius: 100px; background: var(--paper);
  transition: border-color 0.25s var(--ease), color 0.25s var(--ease), transform 0.25s var(--ease);
}
.brands li:hover { border-color: var(--signal); color: var(--signal-700); transform: translateY(-2px); }
.brands__note { max-width: var(--maxw); margin: 1.6rem auto 0; padding: 0 var(--gutter); color: var(--steel); letter-spacing: 0.06em; }

/* ===================================================================
   CONTATTI
   =================================================================== */
.contatti { padding: var(--section-pad) 0; }
.contatti__grid {
  max-width: var(--maxw); margin: 0 auto; padding: 0 var(--gutter);
  display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 6vw, 5rem); align-items: start;
}
.contatti__honest { margin-top: 1.6rem; color: var(--snow-soft); letter-spacing: 0.06em; line-height: 1.6; }
.contatti__card {
  background: var(--bg-2); border: 1px solid var(--line-light); border-radius: var(--radius);
  padding: 0.6rem 1.6rem 1.6rem;
}
.contact-row {
  display: grid; grid-template-columns: 6.5rem 1fr; grid-template-areas: "k v" "k note";
  gap: 0.1rem 1rem; padding: 1.3rem 0; border-bottom: 1px solid var(--line-light);
  align-items: baseline; transition: padding-left 0.25s var(--ease);
}
a.contact-row:hover { padding-left: 0.4rem; }
.contact-row__k { grid-area: k; color: var(--signal-300); letter-spacing: 0.14em; }
.contact-row__v { grid-area: v; font-family: var(--ff-display); font-weight: 700; font-size: 1.4rem; color: var(--snow); }
.contact-row__note { grid-area: note; color: var(--snow-soft); letter-spacing: 0.06em; margin-top: 0.2rem; }
.contatti__cta { display: flex; flex-wrap: wrap; gap: 0.7rem; margin-top: 1.6rem; }

/* ===================================================================
   FOOTER
   =================================================================== */
.site-footer { background: #0A111A; color: var(--snow); padding: var(--section-pad) 0 2.5rem; }
.footer__top {
  max-width: var(--maxw); margin: 0 auto; padding: 0 var(--gutter);
  display: grid; grid-template-columns: 1fr 1.5fr; gap: clamp(2rem, 6vw, 5rem); align-items: start;
}
.footer__logo { display: block; width: 40px; color: var(--signal-300); margin-bottom: 1rem; }
.footer__name { font-family: var(--ff-display); font-weight: 800; font-size: 1.4rem; }
.footer__claim { margin-top: 0.4rem; color: var(--snow-soft); letter-spacing: 0.1em; }
.footer__cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem 1rem; }
.footer__col-h { color: var(--signal-300); margin-bottom: 0.9rem; letter-spacing: 0.14em; }
.footer__col p { color: var(--snow); font-size: 0.95rem; line-height: 1.8; }
.footer__col a { border-bottom: 1px solid transparent; transition: border-color 0.2s; }
.footer__col a:hover { border-color: var(--signal-300); }
.footer__muted { color: var(--snow-soft); margin-top: 0.5rem; }
.footer__bottom {
  max-width: var(--maxw); margin: clamp(2.5rem, 5vw, 4rem) auto 0; padding: 1.6rem var(--gutter) 0;
  border-top: 1px solid var(--line-light);
  display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 0.6rem;
}
.footer__credits { color: var(--snow-soft); font-size: 0.66rem; letter-spacing: 0.08em; }
.footer__credits--muted { color: var(--steel); }

/* ===================================================================
   Reveal hooks — visibili di default; si armano solo sotto html.has-motion
   =================================================================== */
html.has-motion [data-reveal] { opacity: 0; transform: translateY(20px); }
html.has-motion [data-reveal].is-in { opacity: 1; transform: none; transition: opacity 0.8s var(--ease), transform 0.8s var(--ease); }
@media (prefers-reduced-motion: reduce) {
  html.has-motion [data-reveal] { opacity: 1 !important; transform: none !important; }
}

/* ===================================================================
   Responsive
   =================================================================== */
@media (max-width: 1040px) {
  .cards { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
  .site-nav, .header-cta { display: none; }
  .nav-toggle {
    display: inline-flex; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 6px; color: inherit;
  }
  .nav-toggle span { width: 26px; height: 2px; background: currentColor; transition: transform 0.3s, opacity 0.3s; }
  .nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .approccio__grid { grid-template-columns: 1fr; }
  .sectors { grid-template-columns: repeat(2, 1fr); }
  .feature { grid-template-columns: 1fr; }
  .feature__media { order: -1; }
  .contatti__grid { grid-template-columns: 1fr; }
  .footer__top { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  :root { --section-pad: clamp(3.5rem, 12vw, 5rem); }
  .hero__scroll { display: none; }
  .cards { grid-template-columns: 1fr; }
  .sectors { grid-template-columns: 1fr; }
  .site { grid-template-columns: 1fr auto; grid-template-areas: "name status" "loc alt"; gap: 0.3rem 1rem; }
  .site__name { grid-area: name; }
  .site__status { grid-area: status; }
  .site__loc { grid-area: loc; }
  .site__alt { grid-area: alt; justify-self: end; }
  .footer__cols { grid-template-columns: 1fr; }
  .contact-row__v { font-size: 1.2rem; }
}