:root {
  --blue-dark: #024C78;
  --blue-mid: #0175BA;
  --blue-light: #6EC1E4;
  --accent: #0175BA;
  --gray-dark: #1a1a1a;
  --gray-mid: #54595F;
  --gray-text: #7A7A7A;
  --gray-line: #e6e2db;
  --canvas: #f7f4ed;
  --white: #ffffff;
  --sans: 'Space Grotesk', system-ui, sans-serif;
  --serif: 'Newsreader', Georgia, serif;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  color: var(--gray-dark);
  line-height: 1.5;
  background:
    linear-gradient(180deg,
      #f7f4ed 0%,
      #f7f4ed 38%,
      #f5f2eb 45%,
      #f0eee8 53%,
      #e7e8e5 60%,
      #d4dde0 67%,
      #b3c5d0 74%,
      #8aa6bd 81%,
      #5b87a3 87%,
      #2d6688 93%,
      #024C78 100%
    );
  background-repeat: no-repeat;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  position: relative;
}
/* Carta millimetrata globale — blu su zona chiara, ciano su zona scura.
   Decorativa: dietro al contenuto, mai sopra. */
body::before, body::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}
body::before {
  background-image:
    linear-gradient(rgba(2,76,120,0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(2,76,120,0.055) 1px, transparent 1px);
  background-size: 26px 26px;
  -webkit-mask-image: linear-gradient(180deg, #000 58%, transparent 78%);
  mask-image: linear-gradient(180deg, #000 58%, transparent 78%);
}
body::after {
  background-image:
    linear-gradient(rgba(110,193,228,0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(110,193,228,0.07) 1px, transparent 1px);
  background-size: 26px 26px;
  -webkit-mask-image: linear-gradient(180deg, transparent 62%, #000 82%);
  mask-image: linear-gradient(180deg, transparent 62%, #000 82%);
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

/* NAVBAR */
.nav { position: fixed; top: 0; left: 0; right: 0; z-index: 100; background: rgba(247, 244, 237, 0.78); backdrop-filter: blur(14px); transition: background 0.3s, box-shadow 0.3s; }
.nav.scrolled { background: rgba(247,244,237,0.92); box-shadow: 0 1px 0 rgba(2,76,120,0.1), 0 8px 24px -12px rgba(2,76,120,0.12); }
.nav-inner { max-width: 1400px; margin: 0 auto; padding: 22px 56px; display: flex; justify-content: space-between; align-items: center; }
.nav-logo { display: flex; align-items: center; }
.nav-logo img { height: 40px; width: auto; display: block; }
.nav-links { display: flex; gap: 36px; }
.nav-links a { font-size: 14px; color: var(--gray-dark); font-weight: 500; transition: color 0.25s; position: relative; }
.nav-links a::after { content: ''; position: absolute; bottom: -4px; left: 0; width: 0; height: 2px; background: var(--blue-mid); transition: width 0.3s; }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }
.nav-cta { padding: 10px 22px; background: var(--gray-dark); color: var(--canvas); font-size: 13px; font-weight: 500; border-radius: 999px; transition: all 0.3s; }
.nav-cta:hover { background: var(--blue-mid); transform: translateY(-2px); box-shadow: 0 10px 20px -8px rgba(2,76,120,0.4); }
.nav-burger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 6px; }
.nav-burger span { width: 24px; height: 2px; background: var(--gray-dark); transition: all 0.3s; }
.nav-burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-burger.open span:nth-child(2) { opacity: 0; }
.nav-burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* SECTION INDICATOR (sticky right) — only on home */
.indicator { position: fixed; right: 32px; top: 50%; transform: translateY(-50%); z-index: 50; display: flex; flex-direction: column; gap: 18px; }
.indicator a { display: flex; align-items: center; gap: 14px; font-family: var(--sans); font-size: 11px; letter-spacing: 1.5px; color: var(--gray-text); font-weight: 500; text-transform: uppercase; transition: color 0.3s; opacity: 0.55; }
.indicator a:hover, .indicator a.on { color: var(--blue-dark); opacity: 1; }
.indicator .dot { width: 22px; height: 1px; background: currentColor; transition: width 0.3s, background 0.3s; }
.indicator a.on .dot { width: 40px; }
.indicator .lbl { display: none; }
.indicator a:hover .lbl, .indicator a.on .lbl { display: inline; }
.indicator.over-dark a { color: rgba(255,255,255,0.6); opacity: 1; }
.indicator.over-dark a:hover, .indicator.over-dark a.on { color: var(--blue-light); }

/* SHARED layout container */
.page { max-width: 1400px; margin: 0 auto; padding: 0 56px; position: relative; z-index: 1; }

/* SECTION header — universal */
.sec-num { font-family: var(--sans); font-size: 12px; font-weight: 500; letter-spacing: 3px; color: var(--blue-mid); margin-bottom: 28px; display: flex; align-items: center; gap: 16px; }
.sec-num::after { content: ''; flex: 1; max-width: 80px; height: 1px; background: var(--gray-line); }

/* HOME HERO — split layout */
.hero { padding: 150px 0 110px; display: grid; grid-template-columns: 1.6fr 1.1fr; gap: 70px; align-items: center; position: relative; }
.hero-left { max-width: 760px; }
.hero-eyebrow { display: inline-flex; align-items: center; gap: 10px; font-size: 13px; font-weight: 500; color: var(--gray-text); margin-bottom: 48px; }
.hero-eyebrow::before { content: ''; width: 28px; height: 1px; background: var(--gray-dark); }
.hero-title { font-size: clamp(60px, 9vw, 144px); font-weight: 400; line-height: 0.95; letter-spacing: -4px; }
.hero-title .line { display: block; white-space: nowrap; }
.hero-title .ferroviario { color: var(--gray-dark); }
.hero-title .fluviale { color: var(--blue-mid); }
.hero-title .civile { font-family: var(--serif); font-style: italic; font-weight: 400; color: var(--gray-dark); letter-spacing: -3px; }
.hero-sub { font-family: var(--serif); font-size: 19px; line-height: 1.5; color: var(--gray-mid); margin: 40px 0 28px; max-width: 420px; }
.hero-cta { display: inline-flex; align-items: center; gap: 14px; font-size: 15px; color: var(--gray-dark); font-weight: 500; border-bottom: 1.5px solid var(--gray-dark); padding-bottom: 4px; transition: all 0.3s; }
.hero-cta:hover { color: var(--blue-mid); border-color: var(--blue-mid); gap: 22px; }
.hero-right { perspective: 1000px; }
.hero-stack { position: relative; height: 500px; transform-style: preserve-3d; }
.tavola {
  position: absolute; margin: 0;
  background: var(--white); padding: 10px 10px 0; border-radius: 6px;
  border: 1px solid var(--gray-line);
  box-shadow: 0 30px 60px -20px rgba(2,76,120,0.35);
  transform: translateY(var(--py, 0px)) rotate(var(--rot, 0deg));
  will-change: transform;
}
.tavola img { aspect-ratio: 4/3; object-fit: cover; border-radius: 3px; }
.tavola figcaption {
  display: flex; justify-content: space-between; gap: 12px;
  padding: 8px 2px; font-family: ui-monospace, 'Cascadia Mono', Consolas, monospace;
  font-size: 10px; color: var(--gray-mid); letter-spacing: 0.5px; white-space: nowrap;
}
.tavola-1 { --rot: -2.5deg; width: 74%; top: 0; left: 0; z-index: 3; }
.tavola-2 { --rot: 2deg; width: 62%; top: 36%; right: 0; z-index: 2; }
.tavola-3 { --rot: -1.2deg; width: 56%; bottom: 0; left: 8%; z-index: 1; }

/* INNER PAGE HERO — compact */
.page-hero { padding: 180px 0 80px; max-width: 1100px; }
.page-hero-eyebrow { display: inline-flex; align-items: center; gap: 12px; font-size: 12px; font-weight: 500; color: var(--gray-text); letter-spacing: 2px; text-transform: uppercase; margin-bottom: 40px; }
.page-hero-eyebrow::before { content: ''; width: 28px; height: 1px; background: var(--gray-dark); }
.page-hero-title { font-size: clamp(52px, 8vw, 112px); font-weight: 400; line-height: 0.98; letter-spacing: -3px; color: var(--gray-dark); margin-bottom: 32px; }
.page-hero-title em { font-family: var(--serif); font-style: italic; font-weight: 400; color: var(--blue-mid); letter-spacing: -2.5px; }
.page-hero-sub { font-family: var(--serif); font-size: 22px; line-height: 1.5; color: var(--gray-mid); max-width: 700px; }

/* STATS */
.stats { padding: 60px 0 80px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; position: relative; }
.stats::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px; background: linear-gradient(to right, transparent, var(--gray-line) 20%, var(--gray-line) 80%, transparent); }
.stat-num { font-size: clamp(48px, 6vw, 80px); font-weight: 400; letter-spacing: -2px; line-height: 1; margin-bottom: 16px; color: var(--gray-dark); }
.stat-num .plus { color: var(--blue-mid); font-weight: 500; font-family: var(--serif); font-style: italic; }
.stat-label { font-size: 13px; color: var(--gray-text); line-height: 1.5; max-width: 200px; }
.stat-rule { position: relative; height: 9px; margin: 12px 0 10px; max-width: 150px; }
.stat-rule::before {
  content: ''; position: absolute; left: 0; right: 0; top: 4px; height: 1px;
  background: var(--blue-mid);
  transform: scaleX(0); transform-origin: left;
  transition: transform 1s cubic-bezier(0.22, 1, 0.36, 1) 0.2s;
}
.stat-rule::after {
  content: ''; position: absolute; inset: 0;
  background:
    linear-gradient(var(--blue-mid), var(--blue-mid)) left center / 1px 9px no-repeat,
    linear-gradient(var(--blue-mid), var(--blue-mid)) right center / 1px 9px no-repeat;
  opacity: 0; transition: opacity 0.4s ease 1s;
}
.stats.in .stat-rule::before { transform: scaleX(1); }
.stats.in .stat-rule::after { opacity: 1; }
@media (prefers-reduced-motion: reduce) {
  .stat-rule::before, .stat-rule::after { transition: none; }
}

/* ABOUT (home) */
.about { padding: 160px 0 100px; display: grid; grid-template-columns: 1fr 2fr; gap: 80px; align-items: start; }
.about-quote { font-family: var(--serif); font-size: clamp(32px, 4vw, 52px); font-weight: 400; line-height: 1.2; letter-spacing: -1px; color: var(--gray-dark); margin-bottom: 48px; }
.about-quote em { font-style: italic; color: var(--blue-mid); }
.about-meta { display: flex; gap: 60px; padding-top: 28px; border-top: 1px solid var(--gray-line); }
.about-meta-num { font-size: 28px; font-weight: 500; letter-spacing: -1px; margin-bottom: 4px; color: var(--gray-dark); }
.about-meta-label { font-size: 12px; color: var(--gray-text); letter-spacing: 1px; text-transform: uppercase; font-weight: 500; }

/* SERVIZI list (home) */
.services { padding: 140px 0 100px; }
.services-head { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 80px; gap: 60px; }
.services-title { font-size: clamp(48px, 6vw, 80px); font-weight: 400; line-height: 1; letter-spacing: -2px; }
.services-title em { font-family: var(--serif); font-style: italic; color: var(--blue-mid); letter-spacing: -1.5px; }
.services-aside { max-width: 320px; font-family: var(--serif); font-size: 17px; color: var(--gray-mid); line-height: 1.6; }
.svc-row { display: grid; grid-template-columns: 80px 1fr 2fr 60px; align-items: center; padding: 40px 0; border-top: 1px solid var(--gray-line); transition: all 0.4s; cursor: pointer; gap: 32px; }
.svc-row:last-child { border-bottom: 1px solid var(--gray-line); }
.svc-row:hover { padding-left: 24px; }
.svc-row:hover .svc-title { color: var(--blue-mid); }
.svc-row:hover .svc-arr { transform: translateX(8px); color: var(--blue-mid); }
.svc-num { font-size: 13px; color: var(--gray-text); font-weight: 500; letter-spacing: 1px; }
.svc-title { font-size: 32px; font-weight: 400; letter-spacing: -1px; line-height: 1.1; transition: color 0.3s; }
.svc-title em { font-family: var(--serif); font-style: italic; color: var(--blue-mid); }
.svc-desc { font-family: var(--serif); font-size: 16px; color: var(--gray-mid); line-height: 1.6; }
.svc-arr { font-size: 22px; color: var(--gray-line); transition: all 0.3s; text-align: right; }

/* PORTFOLIO list (home) */
.portfolio { padding: 140px 0 100px; }
.portfolio-head { margin-bottom: 60px; }
.portfolio-title { font-size: clamp(48px, 6vw, 80px); font-weight: 400; letter-spacing: -2px; line-height: 1; }
.portfolio-title em { font-family: var(--serif); font-style: italic; color: var(--blue-mid); letter-spacing: -1.5px; }
.port-row { display: grid; grid-template-columns: 80px 1fr 1fr 120px 60px; align-items: center; padding: 36px 0; border-top: 1px solid var(--gray-line); transition: padding 0.3s; cursor: pointer; gap: 32px; }
.port-row:last-child { border-bottom: 1px solid var(--gray-line); }
.port-row:hover { padding-left: 24px; }
.port-row:hover .port-arr { transform: translateX(8px); color: var(--blue-mid); }
.port-num { font-size: 13px; color: var(--gray-text); font-weight: 500; letter-spacing: 1px; }
.port-name { font-size: 22px; font-weight: 400; letter-spacing: -0.5px; line-height: 1.2; }
.port-cat { font-family: var(--serif); font-style: italic; font-size: 15px; color: var(--gray-mid); }
.port-year { font-size: 13px; color: var(--gray-text); text-align: right; letter-spacing: 1px; }
.port-arr { font-size: 22px; color: var(--gray-line); transition: all 0.3s; text-align: right; }

/* CTA on dark gradient zone */
.cta { padding: 200px 0 220px; text-align: center; position: relative; }
.cta-line { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.cta > *:not(.cta-line) { position: relative; z-index: 1; }
.cta-eyebrow { font-size: 12px; color: var(--blue-light); letter-spacing: 3px; text-transform: uppercase; margin-bottom: 28px; font-weight: 600; }
.cta-title { font-size: clamp(48px, 7vw, 104px); font-weight: 400; letter-spacing: -3px; line-height: 1.02; margin-bottom: 48px; color: var(--white); }
.cta-title em { font-family: var(--serif); font-style: italic; color: var(--blue-light); letter-spacing: -2px; }
.cta-btn { display: inline-flex; align-items: center; gap: 16px; padding: 22px 48px; background: var(--white); color: var(--blue-dark); font-size: 15px; font-weight: 500; border-radius: 999px; transition: all 0.3s; }
.cta-btn:hover { background: var(--blue-light); gap: 24px; transform: translateY(-2px); box-shadow: 0 14px 28px -10px rgba(0,0,0,0.3); }

/* CTA inverse — light CTA on canvas zone (per inner pages) */
.cta-light { padding: 160px 0 200px; text-align: center; position: relative; }
.cta-light .cta-title { color: var(--gray-dark); }
.cta-light .cta-title em { color: var(--blue-mid); }
.cta-light .cta-eyebrow { color: var(--blue-mid); }
.cta-light .cta-btn { background: var(--gray-dark); color: var(--canvas); }
.cta-light .cta-btn:hover { background: var(--blue-mid); box-shadow: 0 14px 28px -10px rgba(2,76,120,0.25); }

/* FOOTER */
footer { padding: 80px 0 32px; color: rgba(255,255,255,0.78); }
.foot-inner { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 60px; padding-bottom: 60px; border-bottom: 1px solid rgba(255,255,255,0.12); }
.foot-brand { margin-bottom: 16px; }
.foot-brand img { height: 48px; width: auto; display: block; }
.foot-tag { font-family: var(--serif); font-size: 15px; line-height: 1.6; max-width: 320px; }
.foot-col h4 { font-size: 12px; color: var(--white); margin-bottom: 20px; font-weight: 600; letter-spacing: 1.5px; text-transform: uppercase; }
.foot-col a, .foot-col p { display: block; font-size: 14px; margin-bottom: 10px; transition: color 0.3s; overflow-wrap: break-word; }
.foot-col a:hover { color: var(--blue-light); }
.foot-bottom { padding-top: 32px; font-size: 12px; display: flex; justify-content: space-between; letter-spacing: 0.5px; }

/* ============= INNER PAGE COMPONENTS ============= */

/* Two-col content row (large pull text + body) */
.content-row { padding: 80px 0; display: grid; grid-template-columns: 1fr 2fr; gap: 80px; align-items: start; }
.content-row-label { font-size: 12px; color: var(--blue-mid); letter-spacing: 2px; text-transform: uppercase; font-weight: 500; padding-top: 12px; }
.content-row-body { }
.content-row-body p { font-family: var(--serif); font-size: 18px; line-height: 1.8; color: var(--gray-mid); margin-bottom: 24px; }
.content-row-body p:first-of-type { font-size: 22px; color: var(--gray-dark); margin-bottom: 32px; }
.content-row-body p em { font-style: italic; color: var(--blue-mid); }

/* Values grid (chi siamo) */
.values { padding: 100px 0 140px; }
.values-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 40px; }
.value-card { padding-top: 32px; border-top: 2px solid var(--gray-dark); }
.value-card .ico { width: 36px; height: 36px; margin-bottom: 24px; color: var(--blue-mid); }
.value-card h3 { font-size: 22px; font-weight: 500; letter-spacing: -0.5px; margin-bottom: 12px; color: var(--gray-dark); }
.value-card h3 em { font-family: var(--serif); font-style: italic; color: var(--blue-mid); }
.value-card p { font-family: var(--serif); font-size: 15px; line-height: 1.6; color: var(--gray-mid); }

/* Team summary */
.team { padding: 100px 0; }
.team-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
.team-stat { display: flex; align-items: baseline; gap: 16px; padding: 28px 0; border-bottom: 1px solid var(--gray-line); }
.team-stat .num { font-size: 48px; font-weight: 400; letter-spacing: -1.5px; line-height: 1; color: var(--gray-dark); min-width: 100px; }
.team-stat .num em { font-family: var(--serif); font-style: italic; color: var(--blue-mid); }
.team-stat .lbl { font-family: var(--serif); font-size: 17px; color: var(--gray-mid); line-height: 1.4; }

/* Servizi detail cards */
.svc-detail { padding: 80px 0; display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.svc-detail + .svc-detail { border-top: 1px solid var(--gray-line); padding-top: 100px; }
.svc-detail.flip .svc-photo { order: 2; }
.svc-detail.flip .svc-text { order: 1; }
.svc-photo { aspect-ratio: 4/3; overflow: hidden; border-radius: 6px; }
.svc-photo img { width: 100%; height: 100%; object-fit: cover; }
.svc-text .svc-num { font-size: 14px; color: var(--blue-mid); letter-spacing: 2px; margin-bottom: 20px; text-transform: uppercase; font-weight: 600; }
.svc-text h3 { font-size: clamp(32px, 4vw, 52px); font-weight: 400; letter-spacing: -1.5px; line-height: 1.1; margin-bottom: 28px; color: var(--gray-dark); }
.svc-text h3 em { font-family: var(--serif); font-style: italic; color: var(--blue-mid); }
.svc-text p { font-family: var(--serif); font-size: 17px; line-height: 1.7; color: var(--gray-mid); margin-bottom: 28px; max-width: 520px; }
.svc-list { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 4px 28px; }
.svc-list li { font-size: 14px; padding: 8px 0 8px 22px; position: relative; color: var(--gray-dark); border-bottom: 1px solid var(--gray-line); }
.svc-list li::before { content: '→'; position: absolute; left: 0; color: var(--blue-mid); }

/* Portfolio filters + grid */
.port-filters { display: flex; gap: 12px; padding: 40px 0 60px; flex-wrap: wrap; border-top: 1px solid var(--gray-line); border-bottom: 1px solid var(--gray-line); margin-bottom: 60px; }
.port-filter { padding: 10px 22px; background: transparent; border: 1px solid var(--gray-line); color: var(--gray-mid); font-family: var(--sans); font-size: 13px; font-weight: 500; border-radius: 999px; cursor: pointer; transition: all 0.3s; }
.port-filter:hover { border-color: var(--gray-dark); color: var(--gray-dark); }
.port-filter.active { background: var(--blue-mid); color: var(--white); border-color: var(--blue-mid); }
.port-cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 50px; padding-bottom: 80px; }
.port-card { transition: opacity 0.4s, transform 0.4s; }
.port-card.hide { display: none; }
.port-card-img { aspect-ratio: 16/10; overflow: hidden; border-radius: 6px; margin-bottom: 20px; position: relative; }
.port-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s; }
.port-card:hover .port-card-img img { transform: scale(1.04); }
.port-card-tag { position: absolute; top: 16px; left: 16px; padding: 6px 14px; background: rgba(255,255,255,0.95); color: var(--blue-dark); font-size: 11px; font-weight: 600; letter-spacing: 1px; border-radius: 999px; text-transform: uppercase; }
.port-card-meta { font-family: var(--serif); font-style: italic; font-size: 14px; color: var(--gray-text); margin-bottom: 8px; }
.port-card-title { font-size: 22px; font-weight: 400; letter-spacing: -0.5px; line-height: 1.3; color: var(--gray-dark); margin-bottom: 8px; }
.port-card-desc { font-family: var(--serif); font-size: 15px; line-height: 1.6; color: var(--gray-mid); }
.port-card-open { display: block; width: 100%; text-align: left; background: none; border: 0; padding: 0; margin: 0; font: inherit; color: inherit; cursor: pointer; }
.port-card-count { position: absolute; bottom: 16px; right: 16px; padding: 6px 12px; background: rgba(2,76,120,0.85); color: #fff; font-size: 11px; font-weight: 600; letter-spacing: 1px; border-radius: 999px; text-transform: uppercase; backdrop-filter: blur(4px); }

/* Lightbox galleria portfolio */
.lb { position: fixed; inset: 0; z-index: 10000; display: flex; align-items: center; justify-content: center; background: rgba(8,18,28,0.94); opacity: 0; visibility: hidden; transition: opacity 0.3s, visibility 0.3s; }
.lb.open { opacity: 1; visibility: visible; }
.lb-stage { margin: 0; max-width: 92vw; max-height: 84vh; display: flex; flex-direction: column; align-items: center; gap: 18px; }
.lb-stage img { max-width: 92vw; max-height: 72vh; object-fit: contain; border-radius: 4px; box-shadow: 0 20px 60px rgba(0,0,0,0.5); background: rgba(255,255,255,0.04); }
.lb-cap { color: rgba(255,255,255,0.88); font-family: var(--serif); font-size: 15px; text-align: center; max-width: 720px; line-height: 1.5; }
.lb-cap strong { display: block; font-weight: 600; font-style: normal; margin-bottom: 4px; }
.lb-cap span { font-style: italic; color: rgba(255,255,255,0.7); font-size: 14px; }
.lb-btn { position: absolute; background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.25); color: #fff; width: 52px; height: 52px; border-radius: 999px; font-size: 26px; line-height: 1; cursor: pointer; display: flex; align-items: center; justify-content: center; transition: background 0.25s; }
.lb-btn:hover { background: rgba(255,255,255,0.22); }
.lb-close { top: 24px; right: 24px; }
.lb-prev { left: 24px; top: 50%; transform: translateY(-50%); }
.lb-next { right: 24px; top: 50%; transform: translateY(-50%); }
.lb-count { position: absolute; bottom: 24px; left: 50%; transform: translateX(-50%); color: rgba(255,255,255,0.7); font-size: 13px; letter-spacing: 1px; }
@media (max-width: 700px) {
  .lb-btn { width: 44px; height: 44px; font-size: 22px; }
  .lb-prev { left: 10px; } .lb-next { right: 10px; }
  .lb-stage img { max-height: 62vh; }
  .lb-close { top: 14px; right: 14px; }
}

/* Template riusabile — placeholder foto brand EV. NON è dead code: usalo per
   cantieri/servizi senza foto reali con <div class="photo-ph">…</div>, poi
   sostituisci con <img> quando la foto arriva. Varianti --mid/--gray/--light. */
.photo-ph {
  width: 100%; height: 100%;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 10px; text-align: center; padding: 24px;
  background-color: var(--blue-dark); color: var(--white);
  background-image: repeating-linear-gradient(135deg, rgba(255,255,255,0.05) 0 14px, transparent 14px 28px);
}
.photo-ph--mid { background-color: var(--blue-mid); }
.photo-ph--gray { background-color: var(--gray-mid); }
.photo-ph--light {
  background-color: var(--blue-light); color: var(--blue-dark);
  background-image: repeating-linear-gradient(135deg, rgba(2,76,120,0.06) 0 14px, transparent 14px 28px);
}
.photo-ph-label { font-family: var(--serif); font-style: italic; font-size: 22px; line-height: 1.2; }
.photo-ph-note { font-family: var(--sans); font-size: 11px; letter-spacing: 2px; text-transform: uppercase; opacity: 0.7; }

/* Certificazioni — SOA table + cert cards */
.soa-section { padding: 60px 0 100px; display: grid; grid-template-columns: 1fr 2fr; gap: 80px; align-items: start; }
.soa-intro p { font-family: var(--serif); font-size: 17px; line-height: 1.7; color: var(--gray-mid); margin-bottom: 16px; }
.soa-intro p strong { color: var(--gray-dark); font-weight: 500; }
.soa-table { width: 100%; border-collapse: collapse; font-family: var(--sans); }
.soa-table th { text-align: left; font-size: 11px; letter-spacing: 2px; text-transform: uppercase; color: var(--gray-text); font-weight: 600; padding: 16px 16px; border-bottom: 2px solid var(--gray-dark); }
.soa-table td { padding: 22px 16px; border-bottom: 1px solid var(--gray-line); font-size: 15px; color: var(--gray-dark); }
.soa-table td.cat-code { font-weight: 600; color: var(--blue-mid); width: 100px; }
.soa-table td.cat-class, .soa-table td.cat-importo { font-family: var(--serif); font-style: italic; color: var(--gray-mid); }
.soa-table td.cat-class { width: 100px; }
.soa-table td.cat-importo { white-space: nowrap; }
.soa-table tr:hover td { background: rgba(255,255,255,0.4); }

.cert-section { padding: 100px 0 140px; }
.cert-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; margin-top: 40px; }
.cert-card { padding: 36px 32px; background: rgba(255,255,255,0.4); backdrop-filter: blur(8px); border: 1px solid var(--gray-line); border-radius: 8px; }
.cert-card .cert-tag { font-size: 11px; letter-spacing: 2px; color: var(--blue-mid); font-weight: 600; text-transform: uppercase; margin-bottom: 18px; }
.cert-card h3 { font-size: 20px; font-weight: 500; letter-spacing: -0.3px; margin-bottom: 12px; color: var(--gray-dark); }
.cert-card h3 em { font-family: var(--serif); font-style: italic; color: var(--blue-mid); }
.cert-card p { font-family: var(--serif); font-size: 14px; line-height: 1.6; color: var(--gray-mid); }
.cert-card-link { display: block; cursor: pointer; transition: border-color 0.3s, transform 0.3s, background 0.3s; }
.cert-card-link:hover { border-color: var(--blue-mid); transform: translateY(-4px); background: rgba(255,255,255,0.65); }
.cert-card .cert-doc { display: inline-block; margin-top: 18px; font-size: 12px; font-weight: 600; letter-spacing: 1px; text-transform: uppercase; color: var(--blue-mid); }
.cert-doc-link { display: inline-flex; align-items: center; gap: 12px; margin-top: 24px; padding: 16px 34px; background: var(--gray-dark); color: var(--canvas); font-size: 13px; font-weight: 500; border-radius: 999px; transition: all 0.3s; }
.cert-doc-link:hover { background: var(--blue-mid); gap: 18px; }

/* Contatti */
.contact-grid { padding: 60px 0 80px; display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: start; }
.contact-info { }
.contact-block { padding: 28px 0; border-top: 1px solid var(--gray-line); display: flex; gap: 24px; align-items: start; }
.contact-block:last-child { border-bottom: 1px solid var(--gray-line); }
.contact-block .ico { width: 22px; height: 22px; color: var(--blue-mid); flex-shrink: 0; margin-top: 4px; }
.contact-block .info { flex: 1; }
.contact-block .lbl { font-size: 11px; letter-spacing: 2px; text-transform: uppercase; color: var(--gray-text); font-weight: 600; margin-bottom: 6px; }
.contact-block .val { font-family: var(--serif); font-size: 19px; color: var(--gray-dark); line-height: 1.4; }
.contact-block .val a { color: inherit; border-bottom: 1px solid transparent; transition: border 0.3s; }
.contact-block .val a:hover { border-color: var(--blue-mid); color: var(--blue-mid); }
.map-frame { aspect-ratio: 4/3; border-radius: 6px; overflow: hidden; border: 1px solid var(--gray-line); }
.map-frame iframe { width: 100%; height: 100%; border: 0; filter: grayscale(0.2); }

.contact-social { padding: 60px 0 120px; text-align: center; border-top: 1px solid var(--gray-line); margin-top: 40px; }
.contact-social .lbl { font-size: 12px; letter-spacing: 2px; text-transform: uppercase; color: var(--gray-text); margin-bottom: 20px; font-weight: 600; }
.contact-social a { display: inline-flex; align-items: center; gap: 12px; font-family: var(--serif); font-style: italic; font-size: 24px; color: var(--gray-dark); padding-bottom: 4px; border-bottom: 1.5px solid var(--gray-dark); transition: all 0.3s; }
.contact-social a:hover { color: var(--blue-mid); border-color: var(--blue-mid); gap: 18px; }

/* ============= PARCO MEZZI PAGE ============= */
.mezzi-filters { display: flex; gap: 12px; padding: 40px 0 60px; flex-wrap: wrap; border-top: 1px solid var(--gray-line); border-bottom: 1px solid var(--gray-line); margin-bottom: 60px; }
.mezzi-filter { padding: 10px 22px; background: transparent; border: 1px solid var(--gray-line); color: var(--gray-mid); font-family: var(--sans); font-size: 13px; font-weight: 500; border-radius: 999px; cursor: pointer; transition: all 0.3s; }
.mezzi-filter:hover { border-color: var(--gray-dark); color: var(--gray-dark); }
.mezzi-filter.active { background: var(--blue-mid); color: var(--white); border-color: var(--blue-mid); }
.mezzi-filter .count { font-family: var(--serif); font-style: italic; opacity: 0.7; margin-left: 6px; font-size: 12px; }

.mezzi-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; padding-bottom: 80px; }
.mezzo-card { background: rgba(255,255,255,0.45); backdrop-filter: blur(8px); border: 1px solid var(--gray-line); border-radius: 8px; overflow: hidden; transition: all 0.4s; display: flex; flex-direction: column; }
.mezzo-card.hide { display: none; }
.mezzo-card:hover { transform: translateY(-4px); border-color: var(--blue-mid); box-shadow: 0 20px 40px -15px rgba(2,76,120,0.18); background: rgba(255,255,255,0.75); }
.mezzo-photo { aspect-ratio: 16/10; overflow: hidden; background: var(--gray-line); position: relative; }
.mezzo-photo img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s; }
.mezzo-card:hover .mezzo-photo img { transform: scale(1.04); }
.mezzo-tag { position: absolute; top: 16px; left: 16px; padding: 6px 14px; background: rgba(255,255,255,0.95); color: var(--blue-dark); font-size: 11px; font-weight: 600; letter-spacing: 1px; border-radius: 999px; text-transform: uppercase; }
.mezzo-body { padding: 24px 24px 28px; flex: 1; display: flex; flex-direction: column; }
.mezzo-brand { font-family: var(--serif); font-style: italic; font-size: 14px; color: var(--blue-mid); margin-bottom: 6px; }
.mezzo-name { font-size: 22px; font-weight: 500; letter-spacing: -0.5px; color: var(--gray-dark); margin-bottom: 16px; line-height: 1.2; }
.mezzo-specs { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 16px; padding-top: 16px; margin-top: auto; border-top: 1px solid var(--gray-line); }
.mezzo-spec { display: flex; flex-direction: column; gap: 2px; }
.mezzo-spec-label { font-size: 10px; letter-spacing: 1.5px; text-transform: uppercase; color: var(--gray-text); font-weight: 600; }
.mezzo-spec-value { font-size: 14px; color: var(--gray-dark); font-weight: 500; }

/* Categoria section anchor (per scroll #escavatori, #pale, ecc) */
.cat-anchor { padding: 50px 0 20px; }
.cat-anchor h3 { font-family: var(--sans); font-size: 28px; font-weight: 400; letter-spacing: -1px; color: var(--gray-dark); margin-bottom: 8px; }
.cat-anchor h3 em { font-family: var(--serif); font-style: italic; color: var(--blue-mid); }
.cat-anchor p { font-family: var(--serif); font-style: italic; font-size: 15px; color: var(--gray-mid); }

/* Parco mezzi */
.fleet { padding: 100px 0 140px; }
.fleet-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; margin-top: 60px; }
.fleet-card { background: rgba(255,255,255,0.4); backdrop-filter: blur(10px); border: 1px solid var(--gray-line); border-radius: 8px; overflow: hidden; transition: all 0.4s; display: flex; flex-direction: column; position: relative; cursor: pointer; }
.fleet-card::after { content: '→'; position: absolute; top: 16px; right: 16px; width: 32px; height: 32px; display: flex; align-items: center; justify-content: center; background: rgba(255,255,255,0.95); color: var(--blue-dark); border-radius: 50%; font-size: 14px; opacity: 0; transform: translateX(-8px); transition: all 0.3s; font-weight: 700; z-index: 2; }
.fleet-card:hover { transform: translateY(-4px); border-color: var(--blue-mid); box-shadow: 0 20px 40px -15px rgba(2,76,120,0.18); background: rgba(255,255,255,0.7); }
.fleet-card:hover::after { opacity: 1; transform: translateX(0); }
.fleet-photo { aspect-ratio: 16/10; overflow: hidden; background: var(--gray-line); position: relative; }
.fleet-photo img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s; }
.fleet-card:hover .fleet-photo img { transform: scale(1.04); }
.fleet-badge { position: absolute; top: 16px; left: 16px; background: rgba(255,255,255,0.95); padding: 8px 14px; border-radius: 999px; display: flex; align-items: baseline; gap: 6px; }
.fleet-badge .n { font-size: 22px; font-weight: 500; letter-spacing: -0.5px; color: var(--blue-dark); line-height: 1; }
.fleet-badge .lbl { font-size: 10px; letter-spacing: 1.5px; text-transform: uppercase; color: var(--gray-text); font-weight: 600; }
.fleet-body { padding: 28px 28px 32px; flex: 1; display: flex; flex-direction: column; }
.fleet-cat { font-size: 11px; letter-spacing: 2px; text-transform: uppercase; color: var(--blue-mid); font-weight: 600; margin-bottom: 12px; }
.fleet-card h3 { font-size: 22px; font-weight: 500; letter-spacing: -0.3px; margin-bottom: 14px; color: var(--gray-dark); line-height: 1.2; }
.fleet-card h3 em { font-family: var(--serif); font-style: italic; color: var(--blue-mid); }
.fleet-brands { font-family: var(--serif); font-style: italic; font-size: 14px; color: var(--gray-mid); line-height: 1.5; }

.fleet-foot { padding-top: 50px; margin-top: 60px; border-top: 1px solid var(--gray-line); display: flex; justify-content: space-between; align-items: baseline; gap: 32px; flex-wrap: wrap; }
.fleet-total { font-size: 13px; color: var(--gray-text); letter-spacing: 1px; }
.fleet-total strong { font-family: var(--serif); font-style: italic; color: var(--blue-mid); font-weight: 500; font-size: 18px; }
.fleet-note { font-family: var(--serif); font-style: italic; font-size: 14px; color: var(--gray-text); max-width: 480px; }

/* ============= COME LAVORIAMO — Blueprint isometric animations ============= */
.how-we-work {
  padding: 140px 0 100px;
  --grid: rgba(2,76,120,0.06);
  --grid-major: rgba(2,76,120,0.13);
  --paper: #fafaf5;
}
.how-head { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 80px; gap: 60px; }
.how-title { font-size: clamp(48px, 6vw, 80px); font-weight: 400; line-height: 1; letter-spacing: -2px; }
.how-title em { font-family: var(--serif); font-style: italic; color: var(--blue-mid); letter-spacing: -1.5px; }
.how-aside { max-width: 320px; font-family: var(--serif); font-size: 17px; color: var(--gray-mid); line-height: 1.6; }

.how-grid { display: grid; gap: 28px; grid-template-columns: repeat(3, 1fr); }

.anim-card { background: var(--paper); border-radius: 10px; overflow: hidden; box-shadow: 0 1px 0 rgba(0,0,0,0.03), 0 12px 32px -10px rgba(2,76,120,0.1); border: 1px solid var(--gray-line); }
.anim-card-head { padding: 14px 20px; font-size: 11px; letter-spacing: 2px; text-transform: uppercase; color: var(--blue-mid); font-weight: 700; border-bottom: 1px dashed var(--grid-major); display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.anim-card-head .phases { font-family: var(--serif); font-style: italic; font-size: 12px; color: var(--gray-text); text-transform: none; letter-spacing: 0; font-weight: 400; }
.anim-stage {
  position: relative;
  aspect-ratio: 16/10;
  background:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px),
    linear-gradient(var(--grid-major) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-major) 1px, transparent 1px),
    var(--paper);
  background-size: 16px 16px, 16px 16px, 80px 80px, 80px 80px;
}
.anim-stage svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.cap { padding: 14px 18px; font-size: 10px; letter-spacing: 2px; text-transform: uppercase; color: var(--blue-mid); font-weight: 700; background: rgba(247,244,237,0.6); text-align: center; border-top: 1px dashed var(--grid-major); }

/* Iso face styles */
.face-top   { fill: rgba(110, 193, 228, 0.55); stroke: var(--blue-dark); stroke-width: 1.2; stroke-linejoin: round; }
.face-front { fill: rgba(1, 117, 186, 0.55);   stroke: var(--blue-dark); stroke-width: 1.2; stroke-linejoin: round; }
.face-side  { fill: rgba(2, 76, 120, 0.7);     stroke: var(--blue-dark); stroke-width: 1.2; stroke-linejoin: round; }
.face-water { fill: rgba(110, 193, 228, 0.55); stroke: var(--blue-mid); stroke-width: 1; }
.iso-line   { fill: none; stroke: var(--blue-dark); stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.iso-dim    { fill: none; stroke: var(--blue-mid); stroke-width: 1; stroke-dasharray: 3 3; }
.iso-text   { font-family: var(--sans); font-size: 10px; fill: var(--blue-mid); font-weight: 500; }
.iso-text-white { fill: white; font-weight: 600; }
.stone-l    { fill: rgba(2,76,120,0.55); stroke: rgba(2,76,120,0.85); stroke-width: 0.5; }
.stone-d    { fill: rgba(2,76,120,0.7);  stroke: rgba(2,76,120,0.95); stroke-width: 0.5; }
.mesh       { fill: url(#mesh-wire); stroke: none; pointer-events: none; }

/* Animation cycle 12s — sincronizzato tra tutte le card */
@keyframes p1 {
  0%   { opacity: 0; transform: translateY(-30px); }
  4%   { opacity: 1; }
  14%  { opacity: 1; transform: translateY(0); }
  92%  { opacity: 1; transform: translateY(0); }
  100% { opacity: 0; transform: translateY(0); }
}
@keyframes p2 {
  0%, 14%   { opacity: 0; transform: translateY(-40px); }
  18%       { opacity: 1; }
  26%       { transform: translateY(0); opacity: 1; }
  92%       { opacity: 1; transform: translateY(0); }
  100%      { opacity: 0; }
}
@keyframes p3 {
  0%, 28%   { opacity: 0; transform: translateY(-40px); }
  32%       { opacity: 1; }
  40%       { transform: translateY(0); opacity: 1; }
  92%       { opacity: 1; transform: translateY(0); }
  100%      { opacity: 0; }
}
@keyframes p4 {
  0%, 42%   { opacity: 0; transform: translateY(-40px); }
  46%       { opacity: 1; }
  54%       { transform: translateY(0); opacity: 1; }
  92%       { opacity: 1; transform: translateY(0); }
  100%      { opacity: 0; }
}
@keyframes p5 {
  0%, 56%   { opacity: 0; transform: translateY(-30px); }
  60%       { opacity: 1; }
  68%       { transform: translateY(0); opacity: 1; }
  92%       { opacity: 1; transform: translateY(0); }
  100%      { opacity: 0; }
}
@keyframes p6 {
  0%, 70%   { opacity: 0; transform: scale(0.4); }
  80%       { opacity: 1; transform: scale(1); }
  92%       { opacity: 1; transform: scale(1); }
  100%      { opacity: 0; }
}
@keyframes water-flow {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-20px); }
}

.ph1, .ph2, .ph3, .ph4, .ph5, .ph6 {
  animation-duration: 12s;
  animation-iteration-count: infinite;
  animation-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
  transform-box: fill-box;
}
.ph1 { animation-name: p1; }
.ph2 { animation-name: p2; }
.ph3 { animation-name: p3; }
.ph4 { animation-name: p4; }
.ph5 { animation-name: p5; }
.ph6 { animation-name: p6; }
.water-wave { animation: water-flow 2s linear infinite; }

/* FADE ANIMATIONS */
.fade { opacity: 0; transform: translateY(28px); transition: opacity 1s ease, transform 1s ease; }
.fade.in { opacity: 1; transform: translateY(0); }

/* RESPONSIVE */
@media (max-width: 1100px) {
  .indicator { display: none; }
  .how-grid { grid-template-columns: 1fr 1fr; }
  .mezzi-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 900px) {
  .nav-inner { padding: 16px 24px; }
  .nav-links { display: none; position: fixed; top: 64px; left: 0; right: 0; flex-direction: column; gap: 0; background: var(--canvas); padding: 24px; border-top: 1px solid var(--gray-line); }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 16px 0; border-bottom: 1px solid var(--gray-line); font-size: 18px; }
  .nav-burger { display: flex; }
  .nav-cta { display: none; }
  .page { padding: 0 24px; }
  .hero { grid-template-columns: 1fr; padding: 130px 0 70px; gap: 40px; align-items: start; }
  .hero-stack { height: auto; position: static; margin-top: 8px; }
  .tavola { position: relative; width: 100% !important; inset: auto; }
  .tavola-2, .tavola-3 { display: none; }
  .hero-title { font-size: 56px; letter-spacing: -2px; }
  .page-hero { padding: 130px 0 50px; }
  .page-hero-title { font-size: 48px; letter-spacing: -2px; }
  .page-hero-sub { font-size: 17px; }
  .stats { grid-template-columns: 1fr 1fr; gap: 32px 20px; padding: 50px 0 70px; }
  .stat-num { font-size: 44px; }
  .about, .content-row, .soa-section, .contact-grid { grid-template-columns: 1fr; gap: 32px; padding: 70px 0; }
  .about-quote { font-size: 28px; }
  .about-meta { flex-direction: column; gap: 24px; }
  .services, .portfolio { padding: 90px 0; }
  .services-head { flex-direction: column; align-items: flex-start; gap: 24px; }
  .services-title, .portfolio-title, .cta-title { font-size: 42px; }
  .svc-row { grid-template-columns: 50px 1fr; gap: 16px; padding: 28px 0; }
  .svc-desc, .svc-arr { display: none; }
  .port-row { grid-template-columns: 1fr; gap: 8px; padding: 24px 0; }
  .port-num, .port-arr, .port-year { display: none; }
  .cta, .cta-light { padding: 110px 0 130px; }
  .values { padding: 80px 0; }
  .values-grid { grid-template-columns: 1fr 1fr; gap: 32px 20px; }
  .team-grid { grid-template-columns: 1fr; }
  .svc-detail { grid-template-columns: 1fr; gap: 32px; padding: 60px 0; }
  .svc-detail + .svc-detail { padding-top: 80px; }
  .svc-detail.flip .svc-photo, .svc-detail.flip .svc-text { order: 0; }
  .svc-text h3 { font-size: 28px; }
  .svc-list { grid-template-columns: 1fr; }
  .port-cards { grid-template-columns: 1fr; gap: 36px; }
  .cert-grid { grid-template-columns: 1fr; }
  .fleet-grid { grid-template-columns: 1fr; gap: 20px; }
  .fleet { padding: 70px 0 100px; }
  .mezzi-grid { grid-template-columns: 1fr; gap: 20px; }
  .mezzi-filters { padding: 24px 0 32px; gap: 8px; margin-bottom: 32px; }
  .mezzo-specs { grid-template-columns: 1fr 1fr; }
  .how-we-work { padding: 80px 0 60px; }
  .how-head { flex-direction: column; align-items: flex-start; gap: 24px; margin-bottom: 50px; }
  .how-title { font-size: 42px; }
  .how-grid { grid-template-columns: 1fr; gap: 20px; }
  .foot-inner { grid-template-columns: 1fr 1fr; gap: 36px; }
  .foot-bottom { flex-direction: column; gap: 8px; }
}


/* ============= GOOGLE MAPS CLICK-TO-LOAD (GDPR) ============= */
.map-consent { height: 100%; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 20px; padding: 36px; text-align: center; background: var(--canvas); }
.map-consent p { font-family: var(--serif); font-size: 15px; color: var(--gray-text); line-height: 1.6; max-width: 380px; }
.map-consent p a { color: var(--blue-mid); border-bottom: 1px solid var(--blue-mid); }
.map-load-btn { display: inline-flex; align-items: center; gap: 12px; padding: 14px 34px; background: var(--gray-dark); color: var(--canvas); font-size: 14px; font-weight: 500; font-family: inherit; border: 0; border-radius: 999px; cursor: pointer; transition: all 0.3s; }
.map-load-btn:hover { background: var(--blue-mid); gap: 18px; }
.map-consent .map-ext { font-size: 12px; letter-spacing: 0.5px; color: var(--gray-text); border-bottom: 1px solid var(--gray-line); transition: color 0.3s; }
.map-consent .map-ext:hover { color: var(--blue-mid); }