/* ============================================================
   650mb.com — Design System "Officina Digitale"
   Carta tecnica + inchiostro + arancio segnale
   Display: Zilla Slab · Body: Instrument Sans · Mono: IBM Plex Mono
   ============================================================ */

:root {
  /* Palette */
  --paper: #f1f0eb;
  --paper-2: #e9e7e0;
  --panel: #f7f6f2;
  --ink: #101820;
  --ink-2: #18222e;
  --ink-3: #1f2c3a;
  --line: rgba(16, 24, 32, 0.14);
  --line-soft: rgba(16, 24, 32, 0.08);
  --line-ink: rgba(241, 240, 235, 0.12);
  --orange: #ff4d00;
  --orange-text: #c93e00;         /* accent leggibile su carta */
  --orange-soft: rgba(255, 77, 0, 0.07);
  --orange-line: rgba(255, 77, 0, 0.35);
  --muted: #5c6672;               /* testo secondario su carta */
  --muted-ink: #9aa5b1;           /* testo secondario su inchiostro */

  /* Type */
  --font-display: 'Zilla Slab', 'Rockwell', Georgia, serif;
  --font-body: 'Instrument Sans', 'Segoe UI', sans-serif;
  --font-mono: 'IBM Plex Mono', 'Consolas', monospace;

  /* Motion */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --t-fast: 0.25s var(--ease-out);
  --t-med: 0.45s var(--ease-expo);

  /* Layout */
  --radius: 10px;
  --radius-sm: 4px;
  --nav-h: 74px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

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

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--orange); color: var(--paper); }

a { color: inherit; text-decoration: none; transition: color var(--t-fast); }
img { max-width: 100%; display: block; }
ul { list-style: none; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.025em;
  text-wrap: balance;
}

strong { font-weight: 600; color: var(--ink); }

/* Scrollbar */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--paper-2); }
::-webkit-scrollbar-thumb { background: #b9b6ac; border-radius: 0; }
::-webkit-scrollbar-thumb:hover { background: var(--orange); }

/* ------------------------------------------------------------
   Utilità
   ------------------------------------------------------------ */
.container { width: 100%; max-width: 1240px; margin: 0 auto; padding: 0 28px; }
.section { padding: 110px 0; position: relative; }
.section--tight { padding: 70px 0; }

/* Etichetta tecnica (eyebrow) */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--orange-text);
}
.tag::before {
  content: '';
  width: 22px;
  height: 1px;
  background: var(--orange);
}
.on-ink .tag { color: var(--orange); }

/* Testata di sezione */
.section-head { margin-bottom: 64px; max-width: 720px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head.center .tag { justify-content: center; }
.section-head h2 {
  font-size: clamp(2.1rem, 4.6vw, 3.3rem);
  margin: 18px 0 16px;
}
.section-head h2 em,
.section-head h2 span {
  font-style: normal;
  color: var(--orange-text);
}
.on-ink .section-head h2 em,
.on-ink .section-head h2 span { color: var(--orange); }
.section-head p { color: var(--muted); font-size: 1.08rem; }

/* Sezioni su inchiostro */
.on-ink {
  background: var(--ink);
  color: var(--paper);
}
.on-ink .section-head p,
.on-ink p { color: var(--muted-ink); }
.on-ink strong { color: var(--paper); }

/* Filo tecnico orizzontale con dicitura */
.rule-note {
  display: flex;
  align-items: center;
  gap: 16px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  white-space: nowrap;
}
.rule-note::before, .rule-note::after {
  content: '';
  height: 1px;
  background: var(--line);
  flex: 1;
}

/* ------------------------------------------------------------
   Bottoni
   ------------------------------------------------------------ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 28px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: transform var(--t-fast), box-shadow var(--t-fast), background var(--t-fast), color var(--t-fast), border-color var(--t-fast);
  white-space: nowrap;
}
.btn i { font-size: 0.85em; transition: transform var(--t-fast); }
.btn:hover i { transform: translateX(4px); }

.btn-primary {
  background: var(--orange);
  color: #0e0c09;
  border-color: var(--orange);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(255, 77, 0, 0.35);
}

.btn-secondary {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}
.btn-secondary:hover { border-color: var(--ink); transform: translateY(-2px); }
.on-ink .btn-secondary { color: var(--paper); border-color: var(--line-ink); }
.on-ink .btn-secondary:hover { border-color: var(--paper); }

.btn-block { width: 100%; }

/* ------------------------------------------------------------
   Header / Navigazione
   ------------------------------------------------------------ */
header#main-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 1000;
  background: rgba(16, 24, 32, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line-ink);
  transition: box-shadow var(--t-fast), border-color var(--t-fast);
}
header#main-header.scrolled {
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
  border-bottom-color: var(--orange-line);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: var(--nav-h);
}
.logo img { height: 34px; width: auto; }

.nav-menu {
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-menu a {
  display: block;
  padding: 9px 14px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted-ink);
  border-radius: var(--radius-sm);
}
.nav-menu a:hover { color: var(--paper); }
.nav-menu li.active a { color: var(--orange); }

.nav-cta {
  padding: 11px 22px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #0e0c09;
  background: var(--orange);
  border-radius: var(--radius-sm);
  transition: transform var(--t-fast), box-shadow var(--t-fast);
}
.nav-cta:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(255, 77, 0, 0.4); }

.burger-menu {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 8px;
}
.burger-menu span {
  width: 24px;
  height: 2px;
  background: var(--paper);
  transition: transform var(--t-fast), opacity var(--t-fast);
}

/* ------------------------------------------------------------
   Banner pagine interne
   ------------------------------------------------------------ */
.page-banner-sec {
  position: relative;
  background: var(--ink);
  color: var(--paper);
  padding: calc(var(--nav-h) + 90px) 0 70px;
  overflow: hidden;
}
.page-banner-sec::after {
  /* trama a puntini da lavagna tecnica */
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(241, 240, 235, 0.1) 1px, transparent 1px);
  background-size: 26px 26px;
  mask-image: linear-gradient(105deg, transparent 40%, #000 100%);
  -webkit-mask-image: linear-gradient(105deg, transparent 40%, #000 100%);
  pointer-events: none;
}
.page-banner-content { position: relative; z-index: 1; }

/* breadcrumb in stile percorso */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.05em;
  color: var(--muted-ink);
  margin-bottom: 26px;
}
.breadcrumb::before { content: '~/'; color: var(--orange); }
.breadcrumb li span { opacity: 0.5; }
.breadcrumb a:hover { color: var(--paper); }
.breadcrumb li.active { color: var(--paper); }

.page-banner-sec h1 {
  font-size: clamp(2.6rem, 6.5vw, 4.6rem);
  font-weight: 700;
  max-width: 860px;
}
.page-banner-sec h1 span { color: var(--orange); }
.page-banner-sec .banner-sub {
  margin-top: 20px;
  max-width: 640px;
  color: var(--muted-ink);
  font-size: 1.05rem;
}
.banner-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  margin-top: 40px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted-ink);
}
.banner-meta i { color: var(--orange); margin-right: 8px; }

/* ------------------------------------------------------------
   Layout a due colonne (pagine interne)
   ------------------------------------------------------------ */
.two-col-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 48px;
  align-items: start;
}
.sidebar-column { position: sticky; top: calc(var(--nav-h) + 32px); display: flex; flex-direction: column; gap: 24px; }

/* ------------------------------------------------------------
   Pannelli (ex glass-card)
   ------------------------------------------------------------ */
.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 36px;
  transition: border-color var(--t-fast), transform var(--t-fast), box-shadow var(--t-fast);
}
.panel:hover {
  border-color: var(--orange-line);
  box-shadow: 0 18px 50px rgba(16, 24, 32, 0.08);
}
.panel h2 { font-size: 1.9rem; margin-bottom: 18px; }
.panel h3 { font-size: 1.35rem; margin-bottom: 12px; }
.panel p { color: var(--muted); margin-bottom: 14px; }
.panel p:last-child { margin-bottom: 0; }
.panel .lead { font-size: 1.06rem; line-height: 1.75; }

.panel-stack { display: flex; flex-direction: column; gap: 24px; }

/* Chip icona */
.icon-chip {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: var(--orange-text);
  background: var(--orange-soft);
  border: 1px solid var(--orange-line);
  border-radius: var(--radius-sm);
  margin-bottom: 22px;
  transition: background var(--t-fast), color var(--t-fast), transform var(--t-fast);
}
.panel:hover .icon-chip {
  background: var(--orange);
  color: #0e0c09;
  transform: rotate(-4deg);
}

/* Elenco spunte */
.checklist {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 6px 0 16px;
}
.checklist li {
  position: relative;
  padding-left: 28px;
  color: var(--muted);
}
.checklist li::before {
  content: '\2713';
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--orange-text);
}

/* Link di servizio */
.service-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink);
  border-bottom: 1px solid var(--line);
  padding-bottom: 4px;
  transition: color var(--t-fast), border-color var(--t-fast);
}
.service-link i { transition: transform var(--t-fast); }
.service-link:hover { color: var(--orange-text); border-color: var(--orange); }
.service-link:hover i { transform: translateX(5px); }

/* ------------------------------------------------------------
   Sidebar widget
   ------------------------------------------------------------ */
.sidebar-widget {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
}
.sidebar-widget > h3 {
  font-size: 1.05rem;
  padding-bottom: 14px;
  margin-bottom: 18px;
  border-bottom: 1px solid var(--line);
}
.sidebar-menu { display: flex; flex-direction: column; gap: 14px; }
.sidebar-menu li a {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  font-size: 0.95rem;
}
.sidebar-menu li a:hover { color: var(--orange-text); transform: translateX(2px); }
.sidebar-menu li a.active { color: var(--ink); font-weight: 600; }
.sidebar-menu li a.active i { color: var(--orange); }
.sidebar-menu i { color: var(--orange-text); font-size: 0.8rem; }
.sidebar-menu li { color: var(--muted); font-size: 0.95rem; }

.sidebar-cta {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}
.sidebar-cta > h3 { color: var(--paper); border-bottom-color: var(--line-ink); }
.sidebar-cta p { color: var(--muted-ink); font-size: 0.95rem; margin-bottom: 20px; }
.sidebar-cta .btn-secondary { color: var(--paper); border-color: var(--line-ink); }
.sidebar-cta .btn-secondary:hover { border-color: var(--paper); }

/* Statistiche in sidebar */
.side-stat { display: flex; flex-direction: column; }
.side-stat b {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--orange-text);
  letter-spacing: -0.02em;
}
.side-stat small { color: var(--muted); font-size: 0.85rem; }

/* Info card contatti */
.info-card { display: flex; gap: 18px; align-items: flex-start; }
.info-card .info-icon {
  flex-shrink: 0;
  width: 46px;
  height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--orange-text);
  background: var(--orange-soft);
  border: 1px solid var(--orange-line);
  border-radius: var(--radius-sm);
}
.info-card h4 { font-size: 1rem; margin-bottom: 6px; }
.info-card p { color: var(--muted); font-size: 0.92rem; }

/* ------------------------------------------------------------
   Griglie
   ------------------------------------------------------------ */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

/* Partner */
.partner-card { text-align: left; }
.partner-logo-placeholder {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--muted);
  border: 1px dashed var(--line);
  border-radius: var(--radius-sm);
  padding: 18px 10px;
  text-align: center;
  margin-bottom: 20px;
  transition: color var(--t-fast), border-color var(--t-fast);
}
.panel:hover .partner-logo-placeholder { color: var(--orange-text); border-color: var(--orange-line); }
.partner-card h3 { font-size: 1.1rem; }
.partner-card p { font-size: 0.92rem; }

/* ------------------------------------------------------------
   Readout statistiche (home + riusabile)
   ------------------------------------------------------------ */
.readout {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  overflow: hidden;
}
.readout .stat-item {
  padding: 40px 32px;
  border-right: 1px solid var(--line);
  position: relative;
}
.readout .stat-item:last-child { border-right: 0; }
.readout .stat-item h3 {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 4vw, 3.4rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
  color: var(--ink);
}
.readout .stat-item h3 .unit { color: var(--orange-text); }
.readout .stat-item p {
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ------------------------------------------------------------
   Marquee
   ------------------------------------------------------------ */
.marquee {
  position: relative;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
          mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.marquee + .marquee { margin-top: 18px; }
.marquee-track { display: flex; gap: 16px; width: max-content; will-change: transform; }
.js-anim .marquee-track { animation: marquee-left 40s linear infinite; }
.js-anim .marquee.rtl .marquee-track { animation-name: marquee-right; }
.marquee:hover .marquee-track { animation-play-state: paused; }
@keyframes marquee-left { from { transform: translateX(0); } to { transform: translateX(-50%); } }
@keyframes marquee-right { from { transform: translateX(-50%); } to { transform: translateX(0); } }

.tech-pill {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 14px 26px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  white-space: nowrap;
  color: var(--ink);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 100px;
  transition: border-color var(--t-fast), transform var(--t-fast);
}
.tech-pill i { color: var(--orange-text); font-size: 1.1rem; }
.tech-pill:hover { border-color: var(--orange-line); transform: translateY(-3px); }

/* ------------------------------------------------------------
   Timeline processo
   ------------------------------------------------------------ */
.timeline { position: relative; max-width: 840px; margin: 0 auto; }
.timeline::before {
  content: '';
  position: absolute;
  left: 27px;
  top: 6px;
  bottom: 6px;
  width: 1px;
  background: var(--line);
}
.timeline-progress {
  position: absolute;
  left: 27px;
  top: 6px;
  width: 1px;
  height: 0;
  background: var(--orange);
  box-shadow: 0 0 12px rgba(255, 77, 0, 0.5);
  z-index: 1;
}
.tl-step { position: relative; padding: 0 0 52px 84px; }
.tl-step:last-child { padding-bottom: 0; }
.tl-node {
  position: absolute;
  left: 17px;
  top: 2px;
  width: 21px;
  height: 21px;
  border-radius: 50%;
  background: var(--paper);
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
}
.tl-node span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--orange);
  transform: scale(0);
  transition: transform var(--t-med);
}
.tl-step.is-visible .tl-node { border-color: var(--orange); box-shadow: 0 0 0 5px var(--orange-soft); }
.tl-step.is-visible .tl-node span { transform: scale(1); }
.tl-num {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--orange-text);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.tl-step h3 { font-size: 1.35rem; margin-bottom: 10px; }
.tl-step p { color: var(--muted); max-width: 560px; }

/* ------------------------------------------------------------
   Bento
   ------------------------------------------------------------ */
.bento { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.bento-wide { grid-column: span 2; }

/* Spec card: segno tecnico disegnato + dettaglio rivelato al passaggio,
   al posto dell'icona in chip. Testo sempre visibile: l'hover aggiunge
   una riga mono di dato reale, non nasconde il paragrafo. */
.spec-card {
  background: var(--ink-2);
  border: 1px solid var(--line-ink);
  border-radius: var(--radius);
  padding: 38px;
  transition: border-color var(--t-fast);
}
.spec-card:hover,
.spec-card:focus-within {
  border-color: var(--orange-line);
}
.spec-card:focus:not(:focus-visible) {
  outline: none;
}
.spec-card h3 { font-size: 1.3rem; margin-bottom: 12px; color: var(--paper); }
.spec-card h3 .big {
  font-size: 1.7em;
  color: var(--orange);
  line-height: 1;
  margin-right: 1px;
}
.spec-card p { color: var(--muted-ink); font-size: 0.97rem; }

.spec-mark {
  width: 34px;
  height: 34px;
  color: var(--orange-line);
  margin-bottom: 22px;
  transition: color var(--t-fast), transform var(--t-med);
}
.spec-card:hover .spec-mark,
.spec-card:focus-within .spec-mark {
  color: var(--orange);
  transform: scale(1.1);
}

.spec-detail {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--t-med);
}
.spec-detail-inner { overflow: hidden; }
.spec-meta {
  display: block;
  padding-top: 10px;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--orange);
}
.spec-card:hover .spec-detail,
.spec-card:focus-within .spec-detail {
  grid-template-rows: 1fr;
}

/* ------------------------------------------------------------
   FAQ
   ------------------------------------------------------------ */
.faq-list { max-width: 840px; margin: 0 auto; display: flex; flex-direction: column; }
.faq-item { border-bottom: 1px solid var(--line); transition: border-color var(--t-fast); }
.faq-item:first-child { border-top: 1px solid var(--line); }
.faq-q {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  text-align: left;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 26px 4px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
  color: var(--ink);
  transition: color var(--t-fast);
}
.faq-item:hover .faq-q { color: var(--orange-text); }
.faq-icon {
  flex-shrink: 0;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-family: var(--font-mono);
  color: var(--orange-text);
  border: 1px solid var(--line);
  border-radius: 50%;
  transition: transform var(--t-med), background var(--t-fast), color var(--t-fast);
}
.faq-item.open .faq-icon { transform: rotate(135deg); background: var(--orange); border-color: var(--orange); color: #0e0c09; }
.faq-a { display: grid; grid-template-rows: 0fr; transition: grid-template-rows 0.45s var(--ease-expo); }
.faq-item.open .faq-a { grid-template-rows: 1fr; }
.faq-a-inner { overflow: hidden; }
.faq-a-inner p { padding: 0 4px 26px; color: var(--muted); max-width: 700px; }

/* ------------------------------------------------------------
   Form
   ------------------------------------------------------------ */
.form-group { margin-bottom: 24px; }
.form-group label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 10px;
}
.form-group label .highlight { color: var(--orange-text); }
.form-control-input {
  width: 100%;
  padding: 15px 16px;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
}
.form-control-input:focus {
  outline: none;
  border-color: var(--orange);
  box-shadow: 0 0 0 3px var(--orange-soft);
}
textarea.form-control-input { min-height: 140px; resize: vertical; }

.checkbox-group h4 { font-size: 1.05rem; margin-bottom: 16px; }
.checkbox-group h5 {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--orange-text);
  margin-bottom: 12px;
}
.checkbox-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 20px; }
.checkbox-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
  color: var(--muted);
  cursor: pointer;
}
.checkbox-item input { accent-color: var(--orange); width: 16px; height: 16px; }
.checkbox-item:hover { color: var(--ink); }

/* Mappa */
.map-container {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 110px;
}
.map-container iframe {
  width: 100%;
  height: 420px;
  border: 0;
  display: block;
  filter: grayscale(90%) contrast(1.05);
  transition: filter 0.5s ease;
}
.map-container:hover iframe { filter: grayscale(0%); }

/* ------------------------------------------------------------
   Footer
   ------------------------------------------------------------ */
footer {
  background: var(--ink);
  color: var(--muted-ink);
  border-top: 3px solid var(--orange);
  padding-top: 80px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.2fr;
  gap: 56px;
  padding-bottom: 60px;
}
.footer-brand img { height: 36px; width: auto; margin-bottom: 22px; }
.footer-brand p { font-size: 0.95rem; max-width: 380px; }
.footer-socials { display: flex; gap: 12px; margin-top: 24px; }
.footer-socials a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line-ink);
  border-radius: var(--radius-sm);
  color: var(--muted-ink);
  transition: color var(--t-fast), border-color var(--t-fast), transform var(--t-fast);
}
.footer-socials a:hover { color: var(--orange); border-color: var(--orange-line); transform: translateY(-3px); }

footer h4 {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--paper);
  margin-bottom: 22px;
}
.footer-links-col ul { display: flex; flex-direction: column; gap: 12px; }
.footer-links-col a { color: var(--muted-ink); font-size: 0.95rem; }
.footer-links-col a:hover { color: var(--orange); }
.footer-contact-col p { font-size: 0.92rem; margin-bottom: 12px; }
.footer-contact-col i { color: var(--orange); width: 18px; margin-right: 8px; }
.footer-contact-col a:hover { color: var(--orange); }

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 12px 24px;
  padding: 26px 28px;
  border-top: 1px solid var(--line-ink);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
}
.footer-bottom-links { display: flex; gap: 22px; }
.footer-bottom-links a:hover { color: var(--orange); }

/* ------------------------------------------------------------
   Cursore custom (solo pointer fine, gestito da JS)
   ------------------------------------------------------------ */
.cursor-dot, .cursor-ring {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 9999;
  pointer-events: none;
  border-radius: 50%;
  opacity: 0;
}
.cursor-dot { width: 6px; height: 6px; background: var(--orange); }
.cursor-ring {
  width: 34px;
  height: 34px;
  border: 1px solid rgba(255, 77, 0, 0.55);
  transition: transform 0.2s var(--ease-out), border-color 0.2s;
}
body.cursor-on .cursor-dot, body.cursor-on .cursor-ring { opacity: 1; }
body.cursor-hover .cursor-ring { transform: translate(-50%, -50%) scale(1.7) !important; border-color: var(--orange); }

/* ------------------------------------------------------------
   Reveal di base (lo stato animato è gestito da GSAP)
   ------------------------------------------------------------ */
.js-anim [data-reveal] { opacity: 0; }
html:not(.js-anim) [data-reveal] { opacity: 1; }

/* ------------------------------------------------------------
   Responsive
   ------------------------------------------------------------ */
@media (max-width: 1024px) {
  .two-col-grid { grid-template-columns: 1fr; }
  .sidebar-column { position: static; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .readout { grid-template-columns: repeat(2, 1fr); }
  .readout .stat-item { border-bottom: 1px solid var(--line); }
  .readout .stat-item:nth-child(even) { border-right: 0; }
  .readout .stat-item:nth-child(n+3) { border-bottom: 0; }
  .bento { grid-template-columns: 1fr; }
  .bento-wide { grid-column: span 1; }
}

@media (max-width: 860px) {
  .section { padding: 80px 0; }
  .grid-3 { grid-template-columns: 1fr; }

  .burger-menu { display: flex; }
  .nav-menu {
    position: fixed;
    top: var(--nav-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--ink);
    border-bottom: 1px solid var(--line-ink);
    padding: 12px 20px 20px;
    transform: translateY(-8px);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--t-fast), opacity var(--t-fast), visibility var(--t-fast);
  }
  .nav-menu.active { transform: translateY(0); opacity: 1; visibility: visible; }
  .nav-menu a { padding: 14px 8px; font-size: 0.85rem; border-bottom: 1px solid var(--line-ink); border-radius: 0; }
  .nav-cta { display: none; }
}

@media (max-width: 560px) {
  .container { padding: 0 20px; }
  .grid-4 { grid-template-columns: 1fr; }
  .readout { grid-template-columns: 1fr; }
  .readout .stat-item { border-right: 0 !important; border-bottom: 1px solid var(--line) !important; }
  .readout .stat-item:last-child { border-bottom: 0 !important; }
  .checkbox-grid { grid-template-columns: 1fr; }
  .panel { padding: 26px; }
  .footer-grid { grid-template-columns: 1fr; gap: 40px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

/* ------------------------------------------------------------
   Accessibilità
   ------------------------------------------------------------ */
:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001s !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001s !important;
  }
  .js-anim [data-reveal] { opacity: 1 !important; transform: none !important; }
  .js-anim [data-photo-reveal] { opacity: 1 !important; transform: none !important; }
  .timeline-progress { height: 100% !important; }
  .cursor-dot, .cursor-ring { display: none !important; }
}

/* ============================================================
   Fotografia — hero fotografico, split servizi, gallery
   Hallmark · macrostructure: Photographic · genre: editorial
   theme: site-system (Officina Digitale) · page: fotografia_lecce.asp
   ============================================================ */

.js-anim [data-photo-reveal] { opacity: 0; }
html:not(.js-anim) [data-photo-reveal] { opacity: 1; }

/* Photo fold / bleed */
.photo-bleed {
  position: relative;
  width: 100%;
  height: clamp(320px, 46vw, 560px);
  overflow: hidden;
}
.photo-bleed img { width: 100%; height: 100%; object-fit: cover; display: block; }
.text-fold { max-width: 760px; margin: 0 auto; padding: 70px 28px; }
.text-fold .lede { font-size: 1.2rem; line-height: 1.75; color: var(--muted); }
.text-fold .lede strong { color: var(--ink); }

/* Split servizi (diptico alternato) */
.service-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 48px;
  align-items: center;
  padding: 56px 0;
}
.service-split.reverse .split-media { order: 2; }
.service-split.reverse .split-content { order: 1; }
.split-media {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-radius: var(--radius);
}
.split-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.7s var(--ease-expo);
}
.service-split:hover .split-media img { transform: scale(1.06); }
.split-content h3 { font-size: 1.6rem; margin-bottom: 14px; }
.split-content p { color: var(--muted); margin-bottom: 16px; line-height: 1.7; }

/* Fascia funzionalità (riuso tech-pill) */
.feature-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
}

/* CTA band a piena larghezza */
.cta-band {
  background: var(--ink);
  color: var(--paper);
  border-radius: var(--radius);
  padding: 56px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}
.cta-band h2 { font-size: clamp(1.8rem, 3.2vw, 2.4rem); max-width: 480px; margin-bottom: 10px; }
.cta-band p { color: var(--muted-ink); max-width: 440px; }
.cta-band .btn-primary { flex-shrink: 0; }

/* Gallery */
.gallery-head { text-align: center; margin: 0 auto 40px; max-width: 620px; }
.gallery-head .tag { justify-content: center; }
.gallery-filters {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-bottom: 44px;
}
.filter-chip {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 100px;
  padding: 10px 20px;
  cursor: pointer;
  transition: color var(--t-fast), border-color var(--t-fast), background var(--t-fast);
}
.filter-chip:hover { border-color: var(--orange-line); color: var(--ink); }
.filter-chip.active { background: var(--orange); border-color: var(--orange); color: #0e0c09; }

.gallery-grid {
  column-count: 3;
  column-gap: 20px;
  width: 100%;
  padding: 0 20px;
}
.gallery-item {
  position: relative;
  display: block;
  break-inside: avoid;
  margin-bottom: 20px;
  overflow: hidden;
  border-radius: var(--radius-sm);
  cursor: pointer;
  border: 0;
  padding: 0;
  background: none;
  width: 100%;
}
.gallery-item img { width: 100%; display: block; transition: transform 0.6s var(--ease-expo), filter var(--t-fast); }
.gallery-item:hover img { transform: scale(1.05); }
.gallery-item.is-hidden { display: none; }

@media (min-width: 1300px) {
  .gallery-grid { column-count: 5; }
}

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(16, 24, 32, 0.94);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--t-med), visibility var(--t-med);
}
.lightbox.active { opacity: 1; visibility: visible; }
.lightbox figure { max-width: 88vw; max-height: 84vh; margin: 0; }
.lightbox img { max-width: 88vw; max-height: 84vh; object-fit: contain; display: block; margin: 0 auto; border-radius: var(--radius-sm); }
.lightbox-close, .lightbox-prev, .lightbox-next {
  position: absolute;
  background: rgba(241, 240, 235, 0.08);
  border: 1px solid var(--line-ink);
  color: var(--paper);
  border-radius: 50%;
  width: 46px;
  height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background var(--t-fast), border-color var(--t-fast);
}
.lightbox-close:hover, .lightbox-prev:hover, .lightbox-next:hover { background: var(--orange); border-color: var(--orange); color: #0e0c09; }
.lightbox-close { top: 24px; right: 24px; font-size: 1.3rem; }
.lightbox-prev { left: 24px; top: 50%; transform: translateY(-50%); }
.lightbox-next { right: 24px; top: 50%; transform: translateY(-50%); }

@media (max-width: 1024px) {
  .service-split { grid-template-columns: 1fr; gap: 24px; }
  .service-split.reverse .split-media,
  .service-split.reverse .split-content { order: initial; }
  .gallery-grid { column-count: 2; }
}
@media (max-width: 860px) {
  .cta-band { padding: 40px 28px; flex-direction: column; align-items: flex-start; }
  .cta-band .btn-primary { width: 100%; justify-content: center; }
  .text-fold { padding: 56px 24px; }
}
@media (max-width: 560px) {
  .gallery-grid { column-count: 1; padding: 0 14px; }
  .split-content h3 { font-size: 1.35rem; }
  .lightbox-prev, .lightbox-next { width: 40px; height: 40px; }
  .lightbox-close { top: 14px; right: 14px; }
  .lightbox-prev { left: 10px; }
  .lightbox-next { right: 10px; }
}