/* ==========================================================================
   STAAL — Luxury General Contractor
   Palette e tipografia riprese dal company profile (Sept. 2026)
   ========================================================================== */

:root {
  --red: #DA3831;
  --red-dark: #B92C26;
  --ink: #33373B;
  --ink-2: #555A5F;
  --muted: #8B9096;
  --line: #D9DBDD;
  --tint: #F4F4F5;
  --tint-2: #E7E8EA;
  --white: #FFFFFF;

  --font: "Helvetica Neue", Helvetica, Arial, "Liberation Sans", sans-serif;
  --container: 1180px;
  --gutter: clamp(16px, 4vw, 40px);
  --section-y: clamp(64px, 9vw, 120px);
  --radius: 4px;
  --header-h: 72px;
}

*,
*::before,
*::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--white);
  color: var(--ink);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3, p, ul, ol, dl, dd, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
address { font-style: normal; }

.container {
  width: 100%;
  max-width: calc(var(--container) + 2 * var(--gutter));
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  overflow: hidden; clip: rect(0 0 0 0);
  white-space: nowrap;
}

.skip-link {
  position: absolute; left: 16px; top: -60px; z-index: 100;
  background: var(--ink); color: var(--white);
  padding: 10px 16px; border-radius: var(--radius);
  text-decoration: none;
}
.skip-link:focus { top: 12px; }

:focus-visible { outline: 2px solid var(--red); outline-offset: 3px; }

/* --------------------------------------------------------------------------
   Tipografia di sezione
   -------------------------------------------------------------------------- */

.section { padding-block: var(--section-y); }
.section-tint { background: var(--tint); }

.eyebrow {
  color: var(--red);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .28em;
  text-transform: uppercase;
  margin-bottom: 14px;
}

h2 {
  font-size: clamp(28px, 4.2vw, 44px);
  line-height: 1.15;
  font-weight: 700;
  letter-spacing: -.01em;
  max-width: 30ch;
}
h2 em { color: var(--red); font-style: italic; }

.lead {
  margin-top: 20px;
  max-width: 68ch;
  color: var(--ink-2);
  font-size: clamp(16px, 1.6vw, 18px);
}
.lead-italic { font-style: italic; }

.subhead {
  margin-top: clamp(56px, 7vw, 88px);
  font-size: clamp(22px, 2.6vw, 28px);
  line-height: 1.2;
}

/* Icone monocromatiche, in due varianti di colore (-red / -white) */
.icon {
  display: block;
  width: 50%; height: 50%;
  object-fit: contain;
}

.icon-badge {
  display: grid; place-items: center;
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--white);
  color: var(--red);
  flex: none;
}
.icon-badge.is-red { background: var(--red); color: var(--white); }

/* --------------------------------------------------------------------------
   Header
   -------------------------------------------------------------------------- */

.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, .92);
  -webkit-backdrop-filter: saturate(160%) blur(10px);
          backdrop-filter: saturate(160%) blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s, box-shadow .3s;
}
.site-header.is-scrolled {
  border-bottom-color: var(--line);
  box-shadow: 0 4px 24px rgba(51, 55, 59, .06);
}

.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: var(--header-h);
}

.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.brand-cross { width: 28px; height: 28px; }
.brand-word-img { height: 30px; width: auto; }

.site-nav ul { display: flex; align-items: center; gap: clamp(16px, 2.2vw, 32px); }
.site-nav a {
  font-size: 13px; font-weight: 700;
  letter-spacing: .14em; text-transform: uppercase;
  text-decoration: none;
  color: var(--ink);
  padding-block: 6px;
  position: relative;
}
.site-nav a:not(.nav-cta)::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0;
  height: 2px; background: var(--red);
  transform: scaleX(0); transform-origin: left;
  transition: transform .25s;
}
.site-nav a:hover::after,
.site-nav a.is-active::after { transform: scaleX(1); }
.site-nav .nav-cta {
  background: var(--red); color: var(--white);
  padding: 10px 18px; border-radius: 999px;
  transition: background .2s;
}
.site-nav .nav-cta:hover { background: var(--red-dark); }

.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  border: 0; background: none; cursor: pointer;
  position: relative; margin-right: -10px;
}
.nav-toggle-bars,
.nav-toggle-bars::before,
.nav-toggle-bars::after {
  position: absolute; left: 11px;
  width: 22px; height: 2px;
  background: var(--ink);
  transition: transform .25s, opacity .2s;
}
.nav-toggle-bars { top: 21px; }
.nav-toggle-bars::before,
.nav-toggle-bars::after { content: ""; left: 0; }
.nav-toggle-bars::before { top: -7px; }
.nav-toggle-bars::after { top: 7px; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::before { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::after { transform: translateY(-7px) rotate(-45deg); }

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */

.hero {
  min-height: min(calc(100vh - var(--header-h)), 880px);
  min-height: min(calc(100svh - var(--header-h)), 880px);
  display: grid; align-items: center;
  padding-block: 48px 96px;
  position: relative;
  background:
    radial-gradient(1200px 520px at 50% 0%, var(--tint) 0%, rgba(244, 244, 245, 0) 70%),
    var(--white);
}
.hero-inner { text-align: center; display: flex; flex-direction: column; align-items: center; }

.hero-logo { display: flex; align-items: flex-start; gap: 14px; margin-bottom: clamp(40px, 7vh, 72px); }
.hero-cross { width: clamp(44px, 6vw, 64px); height: auto; }
.hero-word { width: clamp(170px, 24vw, 250px); height: auto; }

.hero-title {
  font-size: clamp(26px, 4vw, 44px);
  line-height: 1.3;
  font-weight: 400;
  font-style: italic;
  max-width: 30ch;
}

.hero-rule { display: block; width: 56px; height: 2px; background: var(--red); margin: clamp(28px, 5vh, 44px) auto 22px; }

.hero-kicker {
  font-size: clamp(13px, 1.4vw, 15px);
  font-weight: 700;
  letter-spacing: .34em;
  text-transform: uppercase;
}
.hero-places {
  margin-top: 10px;
  color: var(--muted);
  font-size: 13px;
  letter-spacing: .22em;
  text-transform: uppercase;
}
.hero-places span { white-space: nowrap; }
.hero-places span + span::before { content: "·"; margin: 0 .6em 0 .4em; }

.hero-scroll {
  position: absolute; left: 50%; bottom: 28px;
  width: 26px; height: 42px; margin-left: -13px;
  border: 2px solid var(--line); border-radius: 13px;
}
.hero-scroll span {
  position: absolute; left: 50%; top: 8px;
  width: 4px; height: 8px; margin-left: -2px;
  border-radius: 2px; background: var(--red);
  animation: scroll-dot 1.8s infinite;
}
@keyframes scroll-dot {
  0% { opacity: 0; transform: translateY(0); }
  30% { opacity: 1; }
  100% { opacity: 0; transform: translateY(14px); }
}

/* --------------------------------------------------------------------------
   Who we are
   -------------------------------------------------------------------------- */

.split {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
  gap: clamp(40px, 6vw, 80px);
  align-items: end;
}

.statements { margin-top: 36px; display: grid; gap: 28px; }
.statements li {
  padding-left: 24px;
  border-left: 2px solid var(--line);
  color: var(--ink-2);
  max-width: 60ch;
}
.statements li.is-accent { border-left-color: var(--red); color: var(--ink); }

.key-figures {
  background: var(--ink);
  color: var(--white);
  border-radius: var(--radius);
  padding: clamp(32px, 4vw, 48px) clamp(24px, 3vw, 40px);
  text-align: center;
}
.key-figures dl { display: grid; }
.key-figures dl > div {
  display: flex; flex-direction: column; align-items: center;
  padding-block: 26px;
}
.key-figures dl > div + div { border-top: 1px solid rgba(255, 255, 255, .18); }
.key-figures dd {
  order: -1;
  color: var(--red);
  font-size: clamp(40px, 5vw, 56px);
  font-weight: 700;
  line-height: 1.05;
}
.key-figures dt {
  margin-top: 10px;
  font-size: 12px; font-weight: 700;
  letter-spacing: .2em; text-transform: uppercase;
  max-width: 24ch;
}

/* --------------------------------------------------------------------------
   Cards / Servizi
   -------------------------------------------------------------------------- */

.card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 28px;
}
.card.is-dark { background: var(--ink); color: var(--white); }

.service-grid {
  margin-top: 48px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}
.service-grid .card {
  display: grid;
  grid-template-columns: 56px 1fr;
  column-gap: 18px; row-gap: 12px;
  align-items: center;
  transition: transform .3s, box-shadow .3s;
}
.service-grid .card:hover { transform: translateY(-4px); box-shadow: 0 18px 40px rgba(51, 55, 59, .08); }
.service-grid .icon-badge { background: var(--tint); }
.service-grid h3 { font-size: 19px; line-height: 1.25; }
.service-grid p { grid-column: 1 / -1; color: var(--ink-2); font-size: 15px; }

/* --------------------------------------------------------------------------
   Statistiche
   -------------------------------------------------------------------------- */

.stat-grid {
  margin-top: 48px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}
.stat {
  display: flex; flex-direction: column; align-items: center; text-align: center;
  background: var(--tint);
  border-radius: var(--radius);
  padding: 44px 20px 36px;
}
.stat strong {
  color: var(--red);
  font-size: clamp(40px, 4.6vw, 60px);
  line-height: 1;
}
.stat-label {
  margin-top: 16px;
  font-size: 12px; font-weight: 700;
  letter-spacing: .24em; text-transform: uppercase;
}
.stat-note { margin-top: 18px; color: var(--ink-2); font-size: 14px; line-height: 1.5; }
.stat.is-dark { background: var(--ink); color: var(--white); }
.stat.is-dark .stat-note { color: rgba(255, 255, 255, .72); }

/* --------------------------------------------------------------------------
   DNA
   -------------------------------------------------------------------------- */

.dna {
  margin-top: 56px;
  display: flex; justify-content: space-between;
  gap: 8px;
}
.dna li {
  flex: 1 1 0;
  display: flex; flex-direction: column; align-items: center;
  gap: 14px;
  font-size: 13px; font-weight: 700;
  text-align: center;
  position: relative;
}
.dna li + li::before {
  content: "+";
  position: absolute; left: 0; top: 36px;
  transform: translate(-50%, -50%);
  color: var(--muted); font-size: 18px; font-weight: 400;
}
.dna-circle {
  display: grid; place-items: center;
  width: 72px; height: 72px;
  border-radius: 50%;
  background: var(--ink); color: var(--white);
}
.dna-circle.is-accent { background: var(--red); }

.callout {
  margin-top: 56px;
  background: var(--white);
  border-radius: var(--radius);
  padding: clamp(28px, 4vw, 44px) clamp(24px, 4vw, 48px);
}
.callout-title { font-weight: 700; font-size: clamp(18px, 2vw, 21px); margin-bottom: 10px; }
.callout p:not(.callout-title) { color: var(--ink-2); max-width: 80ch; }

/* --------------------------------------------------------------------------
   Processo
   -------------------------------------------------------------------------- */

.phases {
  margin-top: 48px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  counter-reset: none;
}
.phase {
  background: var(--tint);
  border-radius: var(--radius);
  padding: 36px 32px 40px;
}
.phase .icon-badge { background: var(--white); }
.phase h3 {
  margin: 24px 0 18px;
  font-size: 21px;
  display: flex; align-items: baseline; gap: 12px;
}
.phase-num { color: var(--red); font-size: 13px; letter-spacing: .12em; }
.phase ul { display: grid; gap: 8px; }
.phase ul li {
  display: flex; gap: 10px;
  color: var(--ink-2); font-size: 15px; line-height: 1.45;
}
.phase ul li::before { content: "—"; color: var(--red); flex: none; }
.phase.is-dark { background: var(--ink); color: var(--white); }
.phase.is-dark .icon-badge { background: var(--red); color: var(--white); }
.phase.is-dark .phase-num { color: #F07A74; }
.phase.is-dark ul li { color: rgba(255, 255, 255, .8); }
.phase.is-dark ul li::before { color: #F07A74; }

/* --------------------------------------------------------------------------
   Delivery model
   -------------------------------------------------------------------------- */

.model {
  margin-top: 56px;
  display: flex; flex-direction: column; align-items: center;
  text-align: center;
}
.model-node { border-radius: var(--radius); }
.model-client {
  background: var(--white);
  border: 1px solid var(--line);
  color: var(--red);
  font-weight: 700; letter-spacing: .24em; text-transform: uppercase;
  padding: 22px 64px;
  min-width: min(320px, 100%);
}
.model-staal {
  background: var(--ink); color: var(--white);
  padding: 22px 36px 24px;
  min-width: min(400px, 100%);
}
.model-staal strong { display: block; font-size: 22px; letter-spacing: .24em; }
.model-staal span { display: block; margin-top: 6px; font-size: 13px; color: rgba(255, 255, 255, .75); }
.model-link {
  display: block; width: 2px; height: 40px;
  background: var(--muted);
  position: relative;
}
.model-link::after {
  content: ""; position: absolute; left: 50%; bottom: -1px;
  width: 8px; height: 8px; margin-left: -4px;
  border-right: 2px solid var(--muted); border-bottom: 2px solid var(--muted);
  transform: rotate(45deg);
}
.model-label {
  margin: 16px 0 18px;
  font-size: 12px; font-weight: 700; color: var(--ink-2);
  letter-spacing: .24em; text-transform: uppercase;
}
.model-packages {
  width: 100%;
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 14px;
}
.model-packages li {
  background: var(--white);
  border: 1px solid var(--red);
  border-radius: var(--radius);
  padding: 20px 10px;
  font-size: 14px; font-weight: 700;
}

/* --------------------------------------------------------------------------
   Brand wall
   -------------------------------------------------------------------------- */

.brand-wall {
  --k: 16px;
  margin-top: 48px;
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  border-top: 1px solid var(--tint-2);
  border-left: 1px solid var(--tint-2);
}
.brand-wall li {
  display: grid; place-items: center;
  min-height: 118px;
  padding: 18px 16px;
  border-right: 1px solid var(--tint-2);
  border-bottom: 1px solid var(--tint-2);
}
.brand-wall img {
  height: calc(var(--h) * var(--k));
  width: auto; max-width: 100%;
  object-fit: contain;
  opacity: .82;
  transition: opacity .25s, transform .25s;
}
.brand-wall li:hover img { opacity: 1; transform: scale(1.04); }
.brand-word {
  font-size: calc(2.1 * var(--k));
  letter-spacing: .01em;
  color: #111;
  opacity: .82;
}

/* --------------------------------------------------------------------------
   Organizzazione
   -------------------------------------------------------------------------- */

.team-bubbles {
  margin-top: 56px;
  display: flex; justify-content: center; align-items: flex-end;
  gap: clamp(20px, 5vw, 64px);
  flex-wrap: wrap;
}
.team-bubbles li {
  display: flex; flex-direction: column; align-items: center; gap: 14px;
  font-size: 14px; font-weight: 700; text-align: center;
}
.bubble {
  --size: calc(64px + var(--n) * 12px);
  display: grid; place-items: center;
  width: var(--size); height: var(--size);
  border-radius: 50%;
  background: var(--ink); color: var(--white);
  font-size: calc(22px + var(--n) * 2px); font-weight: 700;
}
.bubble.is-accent { background: var(--red); }

.leaders {
  margin-top: 48px; padding-top: 24px;
  border-top: 1px solid var(--line);
  display: flex; flex-wrap: wrap; gap: 8px 36px;
  font-size: 15px; color: var(--ink-2);
}
.leaders b { color: var(--ink); }

/* Organigramma: albero su desktop, colonna con dorsale su mobile */
.org {
  --spine: var(--muted);
  --gap: 56px;
  margin-top: 36px;
  display: grid; gap: 22px;
  position: relative;
}
.org-box {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px 14px;
  text-align: center;
  display: flex; flex-direction: column; gap: 2px;
  position: relative;
}
.org-box b {
  font-size: 12px; letter-spacing: .08em; text-transform: uppercase;
  line-height: 1.35;
}
.org-box i { font-size: 14px; color: var(--ink-2); line-height: 1.35; }
.org-box.is-lead { background: var(--ink); border-color: var(--ink); color: var(--white); }
.org-box.is-lead i { color: rgba(255, 255, 255, .78); }
.org-box.is-pm { background: var(--red); border-color: var(--red); color: var(--white); }
.org-box.is-pm i { color: rgba(255, 255, 255, .88); }

.org-row { position: relative; }
.org-group { display: none; }
.org-top, .org-director { display: flex; justify-content: center; }
.org-top .org-box, .org-director .is-lead { width: min(360px, 100%); }

/* dorsale verticale al centro, da CEO fino al bus dei PM */
.org::before {
  content: ""; position: absolute;
  left: 50%; top: 24px; bottom: 60px; width: 1px;
  background: var(--spine);
}

.org-staff {
  display: grid;
  grid-template-columns: 1fr 1fr;
  column-gap: var(--gap);
  max-width: 820px; width: 100%; margin-inline: auto;
}
.org-col { display: grid; gap: 14px; align-content: start; }
.org-staff .org-box::after {
  content: ""; position: absolute; top: 50%;
  width: calc(var(--gap) / 2); height: 1px; background: var(--spine);
}
.org-staff .org-col:first-child .org-box::after { left: 100%; }
.org-staff .org-col:last-child .org-box::after { right: 100%; }
.org-staff .org-box.is-sub { margin-inline: 18px; }
.org-staff .org-col:first-child .org-box.is-sub::after { display: none; }
.org-staff .org-col:first-child .org-box.is-sub::before {
  content: ""; position: absolute; left: 50%; bottom: 100%;
  width: 1px; height: 14px; background: var(--spine);
}

.org-col-pair { grid-template-columns: 1fr; }
.org-col-pair .is-sub::after { display: none; }
.org-col-pair .is-sub::before {
  content: ""; position: absolute; left: 50%; bottom: 100%;
  width: 1px; height: 14px; background: var(--spine);
}

.org-director {
  display: grid;
  grid-template-columns: 1fr minmax(0, 360px) 1fr;
  gap: 28px; align-items: center;
}
.org-director .org-side-left::after,
.org-director .org-side-right::after {
  content: ""; position: absolute; top: 50%;
  width: 28px; height: 1px; background: var(--spine);
}
.org-director .org-side-left::after { left: 100%; }
.org-director .org-side-right::after { right: 100%; }

.org-pms {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
  padding-top: 26px;
}
.org-pms::before {
  content: ""; position: absolute; top: 0;
  left: 10%; right: 10%; height: 1px; background: var(--spine);
}
.org-pms .org-box::before {
  content: ""; position: absolute; left: 50%; bottom: 100%;
  width: 1px; height: 26px; background: var(--spine);
}

/* --------------------------------------------------------------------------
   Global reach
   -------------------------------------------------------------------------- */

.reach {
  margin-top: 40px;
  display: grid;
  grid-template-columns: minmax(0, 1.75fr) minmax(0, 1fr);
  gap: clamp(28px, 4vw, 56px);
  align-items: center;
}
.reach-map img { width: 100%; height: auto; }
.reach-legend { display: grid; gap: 18px; }
.reach-legend > div { display: grid; grid-template-columns: 72px 1fr; gap: 16px; align-items: start; }
.reach-legend dt {
  background: var(--red); color: var(--white);
  border-radius: var(--radius);
  font-size: 13px; font-weight: 700;
  text-align: center; padding: 6px 4px;
}
.reach-legend dd { font-size: 15px; color: var(--ink-2); line-height: 1.5; padding-top: 3px; }

/* --------------------------------------------------------------------------
   Why STAAL
   -------------------------------------------------------------------------- */

.why {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: clamp(40px, 6vw, 88px);
  align-items: center;
}
.reasons { margin-top: 40px; display: grid; gap: 18px; }
.reasons li { display: flex; align-items: center; gap: 18px; font-weight: 700; font-size: 18px; }
.icon-dot {
  display: grid; place-items: center;
  width: 48px; height: 48px; flex: none;
  border-radius: 50%;
  background: var(--red); color: var(--white);
}
.why-cards { display: grid; gap: 20px; }
.why-cards .card { padding: 36px 36px 40px; }
.card-label {
  color: var(--red);
  font-size: 12px; font-weight: 700;
  letter-spacing: .28em; text-transform: uppercase;
  margin-bottom: 16px;
}
.card.is-dark .card-label { color: #F07A74; }
.plain { display: grid; gap: 6px; font-size: 18px; font-weight: 700; }
.card.is-dark .plain { font-weight: 400; }

/* --------------------------------------------------------------------------
   Contatti
   -------------------------------------------------------------------------- */

.offices {
  margin-top: 40px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}
.office {
  background: var(--tint);
  border-radius: var(--radius);
  padding: clamp(28px, 4vw, 44px);
  display: grid; gap: 20px; align-content: start;
}
.office h3 { font-size: 22px; }
.office p { color: var(--ink-2); line-height: 1.75; }
.office a { text-decoration: none; border-bottom: 1px solid var(--line); transition: color .2s, border-color .2s; }
.office a:hover { color: var(--red); border-color: var(--red); }
.office.is-dark { background: var(--ink); color: var(--white); }
.office.is-dark p { color: rgba(255, 255, 255, .82); }
.office.is-dark a { border-color: rgba(255, 255, 255, .3); }
.office.is-dark a:hover { color: var(--white); border-color: var(--red); }
.office .muted { color: var(--muted); }
.office.is-dark .muted { color: rgba(255, 255, 255, .55); }

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */

.site-footer { background: var(--ink); color: var(--white); }
.footer-inner {
  display: flex; flex-direction: column; align-items: center;
  text-align: center;
  padding-block: clamp(72px, 10vw, 120px) 64px;
}
.footer-logo {
  display: flex; align-items: flex-start; gap: 10px;
  background: var(--white);
  padding: 18px 24px;
  border-radius: var(--radius);
  margin-bottom: 44px;
}
.footer-logo img:first-child { width: 42px; height: auto; }
.footer-logo img:last-child { width: 160px; height: auto; }
.footer-title { font-size: clamp(26px, 3.6vw, 40px); font-weight: 700; line-height: 1.2; }
.footer-sub { margin-top: 14px; font-style: italic; color: rgba(255, 255, 255, .75); }

.button {
  display: inline-block;
  margin-top: 36px;
  background: var(--red); color: var(--white);
  text-decoration: none;
  font-size: 13px; font-weight: 700;
  letter-spacing: .24em; text-transform: uppercase;
  padding: 16px 34px;
  border-radius: 999px;
  transition: background .2s, transform .2s;
}
.button:hover { background: var(--red-dark); transform: translateY(-2px); }

.footer-contacts {
  margin-top: 40px;
  display: flex; flex-wrap: wrap; justify-content: center; gap: 6px 14px;
  font-size: 14px; color: rgba(255, 255, 255, .75);
}
.footer-contacts a { text-decoration: none; }
.footer-contacts a:hover { color: var(--white); text-decoration: underline; }

.footer-bottom {
  display: flex; justify-content: space-between; gap: 16px;
  position: relative;
  padding-block: 22px;
  font-size: 13px; color: rgba(255, 255, 255, .55);
}
.footer-bottom::before {
  content: ""; position: absolute; top: 0; left: var(--gutter); right: var(--gutter);
  height: 1px; background: rgba(255, 255, 255, .14);
}
.footer-bottom a { text-decoration: none; }
.footer-bottom a:hover { color: var(--white); }

/* --------------------------------------------------------------------------
   Animazioni di comparsa (solo con JS attivo e senza reduced-motion)
   -------------------------------------------------------------------------- */

@media (prefers-reduced-motion: no-preference) {
  .js .reveal {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity .7s ease, transform .7s ease;
    transition-delay: var(--delay, 0s);
  }
  .js .reveal.is-visible { opacity: 1; transform: none; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero-scroll span { animation: none; }
}

/* ==========================================================================
   Responsive
   ========================================================================== */

/* Tablet orizzontale / laptop piccoli */
@media (max-width: 1080px) {
  .brand-wall { grid-template-columns: repeat(5, minmax(0, 1fr)); --k: 14px; }
  .model-packages { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .dna { flex-wrap: wrap; justify-content: center; row-gap: 36px; }
  .dna li { flex: 0 0 calc(25% - 8px); }
  .dna li + li::before { display: none; }
}

/* Tablet: menu a scomparsa, griglie a 2 colonne */
@media (max-width: 900px) {
  :root { --header-h: 64px; }

  .nav-toggle { display: block; }
  .site-nav {
    position: fixed; left: 0; right: 0; top: var(--header-h);
    height: calc(100vh - var(--header-h));
    height: calc(100dvh - var(--header-h));
    background: var(--white);
    overflow-y: auto;
    padding: 16px var(--gutter) 40px;
    visibility: hidden; opacity: 0;
    transform: translateY(-8px);
    transition: opacity .25s, transform .25s, visibility 0s .25s;
  }
  .site-nav.is-open {
    visibility: visible; opacity: 1; transform: none;
    transition: opacity .25s, transform .25s;
  }
  .site-nav ul { flex-direction: column; align-items: stretch; gap: 0; }
  .site-nav li { border-bottom: 1px solid var(--tint-2); }
  .site-nav a { display: block; padding: 18px 0; font-size: 15px; }
  .site-nav a:not(.nav-cta)::after { display: none; }
  .site-nav li:last-child { border: 0; padding-top: 24px; }
  .site-nav .nav-cta { text-align: center; padding: 16px; }
  body.nav-open { overflow: hidden; }

  .split { grid-template-columns: 1fr; }
  .key-figures dl { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .key-figures dl > div { padding: 8px 12px; }
  .key-figures dl > div + div { border-top: 0; border-left: 1px solid rgba(255, 255, 255, .18); }

  .service-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stat-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .phases { grid-template-columns: 1fr; max-width: 560px; }
  .brand-wall { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .reach { grid-template-columns: 1fr; }
  .why { grid-template-columns: 1fr; }
  .why-cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }

  /* Organigramma: tutto in colonna, dorsale a sinistra */
  .org { --gap: 0px; gap: 14px; padding-left: 24px; }
  .org::before { left: 6px; top: 20px; bottom: 30px; }
  .org-row { display: grid !important; grid-template-columns: 1fr !important; gap: 14px; max-width: none; padding-top: 0; }
  .org-col { gap: 14px; }
  .org-top .org-box, .org-director .is-lead { width: 100%; }
  .org-box { text-align: left; }
  .org-box::before, .org-box::after { display: none !important; }
  .org-box::after {
    display: block !important; content: ""; position: absolute;
    top: 50%; right: 100% !important; left: auto !important;
    width: 18px !important; height: 1px; background: var(--spine);
  }
  .org-staff .org-box.is-sub { margin-inline: 24px 0; }
  .org-staff .org-box.is-sub::after { width: 42px !important; }
  .org-pms::before { display: none; }
  .org-director { gap: 14px; }
  .org-group {
    display: block; position: relative;
    margin: 18px 0 -2px;
    font-size: 11px; font-weight: 700; color: var(--red);
    letter-spacing: .2em; text-transform: uppercase;
  }
  .org-group::before {
    content: ""; position: absolute; left: -22px; top: 50%;
    width: 9px; height: 9px; margin-top: -5px;
    border-radius: 50%; background: var(--red);
  }
  .org-director .is-lead { order: -1; }
}

/* Smartphone */
@media (max-width: 600px) {
  body { font-size: 16px; }
  .brand-word-img { height: 26px; }
  .brand-cross { width: 24px; height: 24px; }

  .hero-logo { gap: 10px; }
  .hero { min-height: auto; padding-block: 56px 110px; }
  .hero-places {
    display: flex; flex-wrap: wrap; justify-content: center; gap: 2px 16px;
    letter-spacing: .12em; font-size: 12px; line-height: 2; max-width: 30ch;
  }
  .hero-places span + span::before { content: none; }

  .key-figures dl { grid-template-columns: 1fr; }
  .key-figures dl > div { padding-block: 20px; }
  .key-figures dl > div + div { border-left: 0; border-top: 1px solid rgba(255, 255, 255, .18); }

  .service-grid { grid-template-columns: 1fr; gap: 14px; }
  .service-grid .card { padding: 22px; }

  .stat-grid { gap: 12px; }
  .stat { padding: 32px 12px 26px; }
  .stat-label { letter-spacing: .16em; font-size: 11px; }
  .stat-note { font-size: 13px; }

  .dna li { flex: 0 0 calc(33.333% - 8px); font-size: 12px; }
  .dna-circle { width: 60px; height: 60px; }

  .phase { padding: 28px 24px 32px; }

  .model-client { padding: 18px 24px; }
  .model-staal { padding: 20px 20px 22px; }
  .model-staal span { line-height: 1.6; }
  .model-packages { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }

  .brand-wall { grid-template-columns: repeat(2, minmax(0, 1fr)); --k: 13px; }
  .brand-wall li { min-height: 96px; padding: 16px 12px; }

  .team-bubbles { gap: 20px 24px; }
  .team-bubbles li { font-size: 13px; }
  .bubble { --size: calc(52px + var(--n) * 8px); font-size: calc(20px + var(--n) * 1.5px); }
  .leaders { flex-direction: column; font-size: 14px; }

  .reach-legend > div { grid-template-columns: 64px 1fr; gap: 14px; }

  .reasons li { font-size: 16px; gap: 14px; }
  .icon-dot { width: 42px; height: 42px; }
  .why-cards { grid-template-columns: 1fr; }
  .why-cards .card { padding: 28px; }
  .plain { font-size: 17px; }

  .offices { grid-template-columns: 1fr; }

  .footer-logo { padding: 14px 18px; }
  .footer-logo img:first-child { width: 34px; }
  .footer-logo img:last-child { width: 130px; }
  .footer-contacts { flex-direction: column; gap: 6px; }
  .footer-contacts span { display: none; }
  .footer-bottom { flex-direction: column; align-items: center; text-align: center; }
}

/* Stampa: niente header fisso, niente animazioni */
@media print {
  .site-header, .hero-scroll, .nav-toggle { display: none; }
  .js .reveal { opacity: 1 !important; transform: none !important; }
  .section { padding-block: 32px; break-inside: avoid; }
}