/* ============================================
   InArPRO — Modern Design System
   ============================================ */

:root {
  --c-ink: #0a2540;
  --c-ink-2: #173a5e;
  --c-ink-3: #2c4a6b;
  --c-muted: #5a6b80;
  --c-line: #e3e8ef;
  --c-bg: #ffffff;
  --c-bg-soft: #f6f8fb;
  --c-bg-tint: #eef2f7;
  --c-accent: #ff6b35;
  --c-accent-2: #ff8a5b;
  --c-accent-soft: #fff1ea;

  --shadow-sm: 0 1px 2px rgba(10, 37, 64, 0.06), 0 1px 3px rgba(10, 37, 64, 0.04);
  --shadow-md: 0 6px 16px rgba(10, 37, 64, 0.08), 0 2px 6px rgba(10, 37, 64, 0.04);
  --shadow-lg: 0 24px 48px rgba(10, 37, 64, 0.12), 0 8px 16px rgba(10, 37, 64, 0.06);

  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 22px;
  --radius-xl: 28px;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);

  --container: 1240px;
  --header-h: 76px;
}

/* ============================================
   Reset & Base
   ============================================ */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  color: var(--c-ink);
  background: var(--c-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
/* Niente regola gated: il redirect è gestito da js/auth.js con visibility:hidden su <html> */
img, svg, video { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: 0; background: transparent; color: inherit; }
h1, h2, h3, h4, h5, h6 {
  font-family: 'Fraunces', 'Iowan Old Style', Georgia, serif;
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 .4em;
  color: var(--c-ink);
}
h1 { font-size: clamp(2.2rem, 5.5vw, 4.4rem); }
h2 { font-size: clamp(1.7rem, 3.8vw, 2.8rem); }
h3 { font-size: clamp(1.2rem, 2.2vw, 1.6rem); }
p { margin: 0 0 1em; color: var(--c-ink-3); }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'Inter', sans-serif;
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--c-accent);
  margin-bottom: 14px;
}
.eyebrow::before {
  content: "";
  width: 28px; height: 1px;
  background: var(--c-accent);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease), background 0.3s var(--ease), color 0.3s var(--ease);
  white-space: nowrap;
}
.btn-primary {
  background: var(--c-ink);
  color: #fff;
  box-shadow: 0 6px 20px rgba(10,37,64,0.18);
}
.btn-primary:hover { transform: translateY(-2px); background: var(--c-accent); box-shadow: 0 10px 28px rgba(255,107,53,0.35); }
.btn-ghost {
  background: transparent;
  color: var(--c-ink);
  border: 1.5px solid var(--c-line);
}
.btn-ghost:hover { border-color: var(--c-ink); background: var(--c-ink); color: #fff; }
.btn-link {
  display: inline-flex; align-items: center; gap: 8px;
  font-weight: 600; color: var(--c-ink);
  border-bottom: 1.5px solid var(--c-ink);
  padding-bottom: 2px;
  transition: gap 0.3s var(--ease), color 0.3s var(--ease);
}
.btn-link:hover { gap: 14px; color: var(--c-accent); border-color: var(--c-accent); }

/* ============================================
   Header & Navigation
   ============================================ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(255,255,255,0.78);
  backdrop-filter: saturate(160%) blur(16px);
  -webkit-backdrop-filter: saturate(160%) blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease), height 0.3s var(--ease);
}
.site-header.scrolled {
  background: rgba(255,255,255,0.92);
  border-bottom-color: var(--c-line);
  height: 64px;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}
.logo-link { display: flex; align-items: center; }
.logo-link img { height: 52px; width: auto; display: block; }
.logo-link svg { height: 44px; width: auto; }
.footer-brand .logo-link img { height: 51px; }

.main-nav { display: flex; align-items: center; gap: 4px; }
.main-nav a {
  position: relative;
  padding: 10px 14px;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--c-ink-2);
  border-radius: 8px;
  transition: color 0.25s var(--ease), background 0.25s var(--ease);
}
.main-nav a:not(.active):hover { color: var(--c-ink); background: var(--c-bg-tint); }
.main-nav a.active { color: var(--c-ink); }
.main-nav a.active::after {
  content: "";
  position: absolute;
  left: 14px; right: 14px;
  bottom: 4px;
  height: 2px;
  background: var(--c-accent);
  border-radius: 2px;
  animation: slideIn 0.5s var(--ease) both;
}
.main-nav a.disabled {
  color: var(--c-muted);
  cursor: not-allowed;
  opacity: 0.7;
}
.main-nav a.disabled:hover { background: transparent; }
.main-nav a.disabled::before {
  content: "•";
  display: inline-block;
  margin-right: 4px;
  color: var(--c-accent);
  font-size: 0.6em;
  vertical-align: middle;
}

@keyframes slideIn { from { transform: scaleX(0); } to { transform: scaleX(1); } transform-origin: left; }

.cta-contact {
  margin-left: 10px;
  padding: 10px 18px;
  font-size: 0.9rem;
  background: var(--c-accent);
  color: #fff;
  border-radius: 999px;
  font-weight: 600;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.cta-contact:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(255,107,53,0.4); }

/* Mobile nav */
.menu-toggle {
  display: none;
  width: 44px; height: 44px;
  border-radius: 12px;
  background: var(--c-bg-tint);
  align-items: center;
  justify-content: center;
}
.menu-toggle span {
  display: block;
  width: 20px; height: 2px;
  background: var(--c-ink);
  border-radius: 2px;
  position: relative;
  transition: background 0.2s var(--ease);
}
.menu-toggle span::before, .menu-toggle span::after {
  content: ""; position: absolute; left: 0; width: 100%; height: 2px;
  background: var(--c-ink); border-radius: 2px;
  transition: transform 0.35s var(--ease), top 0.3s var(--ease) 0.05s, bottom 0.3s var(--ease) 0.05s;
}
.menu-toggle span::before { top: -6px; }
.menu-toggle span::after { bottom: -6px; }
.menu-toggle.open span { background: transparent; }
.menu-toggle.open span::before { top: 0; transform: rotate(45deg); }
.menu-toggle.open span::after { bottom: 0; transform: rotate(-45deg); }

@media (max-width: 960px) {
  .main-nav, .cta-contact { display: none; }
  .menu-toggle { display: flex; }
}

/* Mobile menu drawer */
.mobile-drawer {
  position: fixed;
  inset: 0;
  background: var(--c-ink);
  z-index: 99;
  padding: calc(var(--header-h) + 20px) 24px 40px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  transform: translateY(-100%);
  transition: transform 0.5s var(--ease);
  overflow-y: auto;
}
.mobile-drawer.open { transform: translateY(0); }
.mobile-drawer a {
  font-family: 'Fraunces', serif;
  font-size: 1.8rem;
  font-weight: 500;
  color: #fff;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  display: flex; justify-content: space-between; align-items: center;
}
.mobile-drawer a.active { color: var(--c-accent); }
.mobile-drawer a.disabled { color: rgba(255,255,255,0.4); font-size: 1.3rem; }
.mobile-drawer a.disabled::after { content: "presto"; font-size: 0.7rem; font-family: 'Inter',sans-serif; background: rgba(255,107,53,0.2); color: var(--c-accent); padding: 4px 10px; border-radius: 99px; text-transform: uppercase; letter-spacing: 0.1em; }
.mobile-drawer .drawer-cta {
  margin-top: auto;
  padding: 16px 24px;
  background: var(--c-accent);
  border-radius: 999px;
  text-align: center;
  font-family: 'Inter', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  border: 0;
}

/* ============================================
   Hero
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  padding: calc(var(--header-h) + 60px) 0 80px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: linear-gradient(180deg, #fafcff 0%, #eef2f7 100%);
}
.hero::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(10,37,64,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(10,37,64,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, #000 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, #000 30%, transparent 80%);
  pointer-events: none;
  z-index: 0;
}
.hero-inner { position: relative; z-index: 1; display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 60px; align-items: center; }
@media (max-width: 960px) { .hero-inner { grid-template-columns: 1fr; gap: 40px; } }

.hero h1 {
  font-size: clamp(2.4rem, 6.5vw, 5.2rem);
  font-weight: 500;
  line-height: 1.02; /* spaziatura tight originale */
  letter-spacing: -0.035em;
  margin-bottom: 28px;
}
.hero h1 .accent { color: var(--c-accent); font-style: italic; }
.hero h1 .hl {
  position: relative;
  display: inline-block;
  white-space: nowrap;
}
.hero h1 .hl::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 4px;
  height: 12px;
  background: var(--c-accent-soft);
  z-index: -1;
  border-radius: 4px;
  transform: scaleX(0);
  transform-origin: left;
  animation: hlIn .9s cubic-bezier(0.22,1,0.36,1) 1.4s forwards;
}
@keyframes hlIn { to { transform: scaleX(1); } }
.hero h1 .line {
  display: block;
  position: relative;
  z-index: 1; /* le righe sotto stanno più in basso nello z-index */
  /* Niente overflow: hidden: le "g" possono debordare in avanti */
}
.hero h1 .line:nth-child(1) { z-index: 3; } /* "Ingegneria &" in primo piano */
.hero h1 .line:nth-child(2) { z-index: 2; } /* "Architettura" in mezzo */
.hero h1 .line:nth-child(3) { z-index: 1; } /* "che durano nel tempo." in fondo */
.hero h1 .line span { display: inline-block; }

.hero-lead {
  font-size: 1.15rem;
  color: var(--c-ink-3);
  max-width: 540px;
  margin-bottom: 36px;
  line-height: 1.65;
}

.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }

.hero-meta {
  display: flex;
  gap: 36px;
  margin-top: 56px;
  padding-top: 36px;
  border-top: 1px solid var(--c-line);
  flex-wrap: wrap;
}
.hero-meta .stat { display: flex; flex-direction: column; gap: 2px; }
.hero-meta .stat-num {
  font-family: 'Fraunces', serif;
  font-size: 2.2rem;
  font-weight: 600;
  color: var(--c-ink);
  line-height: 1;
}
.hero-meta .stat-num .suffix { color: var(--c-accent); margin-left: 0.18em; }
.hero-meta .stat-label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--c-muted);
}

/* Hero visual: animated blueprint + aligned tiles */
.hero-visual {
  position: relative;
  height: 540px;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 14px;
}
@media (max-width: 960px) {
  .hero-visual { height: 480px; grid-template-columns: 1.5fr 1fr; }
}
@media (max-width: 560px) {
  .hero-visual { height: auto; grid-template-columns: 1fr 1fr; grid-template-rows: 280px 1fr; }
}

/* Blueprint panel — 3D bridge construction */
.bp {
  grid-row: 1 / span 2;
  position: relative;
  background: #f4f7fb;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  isolation: isolate;
  color: var(--c-ink);
}
.bp-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(10,37,64,0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(10,37,64,0.07) 1px, transparent 1px),
    linear-gradient(rgba(10,37,64,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(10,37,64,0.03) 1px, transparent 1px);
  background-size: 60px 60px, 60px 60px, 12px 12px, 12px 12px;
  z-index: 0;
  opacity: 0; animation: bpFade .6s .2s var(--ease) forwards;
}

/* Three.js canvas — riempie il pannello blueprint */
.bp-canvas {
  position: absolute;
  inset: 0;
  z-index: 1;
  overflow: hidden;
  cursor: default;
  pointer-events: none; /* nessuna interazione: niente mouse, niente touch */
}
.bp-canvas canvas {
  display: block;
  width: 100% !important;
  height: 100% !important;
}

.bp-meta {
  position: absolute; top: 14px; right: 18px;
  z-index: 3;
  display: flex; gap: 10px;
  font-family: 'Inter', monospace;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.bp-meta span { padding: 5px 10px; border: 1px solid var(--c-line); border-radius: 4px; background: #fff; color: var(--c-ink-3); }
.bp-meta .bp-id { color: var(--c-accent); border-color: var(--c-accent); }

/* Hero tiles (aligned, no rotation) */
.hero-tile {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--c-bg-tint);
  box-shadow: var(--shadow-sm);
  display: block;
  transition: transform .5s var(--ease), box-shadow .5s var(--ease);
}
.hero-tile img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease); }
.hero-tile::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(10,37,64,.85));
}
.hero-tile .tile-meta {
  position: absolute; left: 12px; right: 12px; bottom: 12px;
  z-index: 2; color: #fff;
  display: flex; flex-direction: column; gap: 2px;
}
.hero-tile .tile-tag {
  font-size: 0.66rem; font-weight: 700;
  letter-spacing: 0.12em; text-transform: uppercase;
  background: var(--c-accent);
  color: #fff;
  padding: 3px 8px;
  border-radius: 99px;
  align-self: flex-start;
}
.hero-tile .tile-title {
  font-family: 'Fraunces', serif;
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.2;
}
.hero-tile:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.hero-tile:hover img { transform: scale(1.05); }

/* Cert badge (kept) */
.hero-badge {
  position: absolute;
  bottom: -14px; left: 30px;
  background: var(--c-ink);
  color: #fff;
  padding: 12px 18px;
  border-radius: 99px;
  display: flex; align-items: center; gap: 10px;
  z-index: 5;
  box-shadow: var(--shadow-md);
}
.hero-badge .dot { width: 8px; height: 8px; border-radius: 50%; background: #4ade80; box-shadow: 0 0 0 0 rgba(74,222,128,0.7); animation: pulse 2s infinite; }
.hero-badge span { font-size: 0.82rem; font-weight: 500; }
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(74,222,128,0.7); }
  70% { box-shadow: 0 0 0 12px rgba(74,222,128,0); }
  100% { box-shadow: 0 0 0 0 rgba(74,222,128,0); }
}

.scroll-cue {
  margin-left: auto;
  align-self: flex-end;
  color: var(--c-muted);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  z-index: 1;
  transition: opacity 0.4s var(--ease), visibility 0.4s var(--ease);
  opacity: 1;
}
.hero-past .scroll-cue { opacity: 0; visibility: hidden; pointer-events: none; }
.scroll-cue::after {
  content: ""; width: 1px; height: 40px; background: var(--c-muted);
  animation: scrollLine 2s ease-in-out infinite;
  transform-origin: top;
}
@keyframes scrollLine { 0%, 100% { transform: scaleY(0.3); } 50% { transform: scaleY(1); } }
@media (max-width: 700px) {
  .scroll-cue { display: none; } /* su mobile non c'è spazio per il cue dentro le stats */
}

/* ============================================
   Sections
   ============================================ */
section { padding: 110px 0; position: relative; }
@media (max-width: 768px) { section { padding: 70px 0; } }

.section-head { max-width: 720px; margin: 0 auto 64px; text-align: center; }
.section-head.left { text-align: left; margin-left: 0; }
.section-head h2 { margin-bottom: 16px; }
.section-head p { font-size: 1.1rem; color: var(--c-muted); }

/* Reveal animation on scroll */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
  transition-delay: var(--rd, 0s);
}
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero-card, .hero-badge, .hero-tile { animation: none; }
  .hero h1 .hl::after { transform: scaleX(1); animation: none; }
  /* Per il canvas Three.js, l'auto-rotate viene comunque disabilitato
     a livello JS se prefers-reduced-motion è attivo (vedi hero-bridge.js). */
}

/* ============================================
   Chi siamo
   ============================================ */
.about { background: var(--c-bg-soft); padding-top: 70px; }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
@media (max-width: 900px) { .about-grid { grid-template-columns: 1fr; gap: 50px; } }

.about-text p { font-size: 1.1rem; line-height: 1.7; }
.about-text .lead { font-size: 1.35rem; color: var(--c-ink); font-weight: 500; line-height: 1.5; font-family: 'Fraunces', serif; }
.about-text .signoff { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 20px; margin-top: 28px; padding-top: 28px; border-top: 1px solid var(--c-line); }
.about-text .signoff > div { flex: 1 1 200px; }
.about-text .signoff strong { display: block; font-family: 'Fraunces', serif; font-size: 1.15rem; }
.about-text .signoff span { font-size: 0.88rem; color: var(--c-muted); }
.about-text .signoff .btn-map { padding: 10px 18px; font-size: 0.85rem; }
@media (max-width: 560px) {
  .about-text .signoff .btn-map { width: 100%; justify-content: center; }
}

.cert-stack {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  position: relative;
}
.cert-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 28px 24px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--c-line);
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
}
.cert-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }

/* Enti certificatori: ora mostrati nella trust bar come .trust-cert (vedi sopra) */
.cert-card .cert-num {
  font-family: 'Fraunces', serif;
  font-size: 2.4rem;
  color: var(--c-accent);
  line-height: 1;
  margin-bottom: 10px;
}
.cert-card h4 { font-family: 'Inter', sans-serif; font-size: 0.95rem; font-weight: 600; margin: 0 0 4px; }
.cert-card p { font-size: 0.82rem; color: var(--c-muted); margin: 0; }

/* ============================================
   Servizi
   ============================================ */
.servizi-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
@media (max-width: 900px) { .servizi-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .servizi-grid { grid-template-columns: 1fr; } }

.servizio {
  position: relative;
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: transform 0.5s var(--ease), box-shadow 0.5s var(--ease), border-color 0.5s var(--ease);
  overflow: hidden;
}
.servizio::after {
  content: ""; position: absolute; top: 0; right: 0;
  width: 90px; height: 90px;
  background: var(--c-accent-soft);
  border-radius: 50%;
  transform: translate(50%, -50%) scale(0);
  transition: transform 0.5s var(--ease);
}
.servizio:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: transparent; }
.servizio:hover::after { transform: translate(50%, -50%) scale(1); }
.servizio .icon {
  width: 56px; height: 56px;
  display: flex; align-items: center; justify-content: center;
  background: var(--c-ink);
  color: #fff;
  border-radius: 14px;
  margin-bottom: 24px;
  transition: background 0.4s var(--ease), transform 0.4s var(--ease);
}
.servizio:hover .icon { background: var(--c-accent); transform: rotate(-6deg); }
.servizio .icon svg { width: 28px; height: 28px; }
.servizio h3 { font-family: 'Inter', sans-serif; font-size: 1.15rem; font-weight: 700; margin-bottom: 8px; }
.servizio p { font-size: 0.92rem; color: var(--c-muted); margin: 0; }

/* ============================================
   Progetti (preview home)
   ============================================ */
.progetti-home { background: var(--c-ink); color: #fff; }
.progetti-home h2 { color: #fff; }
.progetti-home .section-head p { color: rgba(255,255,255,0.7); }
.progetti-home .eyebrow { color: var(--c-accent); }
.progetti-home .eyebrow::before { background: var(--c-accent); }

.progetti-preview {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
@media (max-width: 900px) { .progetti-preview { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .progetti-preview { grid-template-columns: 1fr; } }

.preview-card {
  position: relative;
  aspect-ratio: 4/5;
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  background: var(--c-ink-2);
}
.preview-card img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.8s var(--ease); }
.preview-card::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 30%, rgba(10,37,64,0.85) 100%);
  transition: opacity 0.4s var(--ease);
}
.preview-card .meta {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 24px;
  z-index: 2;
  color: #fff;
}
.preview-card .meta .tag {
  display: inline-block;
  font-size: 0.7rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.12em;
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(8px);
  padding: 5px 10px;
  border-radius: 99px;
  margin-bottom: 12px;
}
.preview-card .meta h3 {
  font-family: 'Fraunces', serif;
  font-size: 1.25rem;
  color: #fff;
  line-height: 1.25;
  margin: 0;
}
.preview-card .meta .arrow {
  position: absolute; top: 20px; right: 20px;
  width: 44px; height: 44px;
  background: #fff; color: var(--c-ink);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  opacity: 0;
  transform: translate(-8px, 8px);
  transition: opacity 0.4s var(--ease), transform 0.4s var(--ease);
}
.preview-card:hover img { transform: scale(1.06); }
.preview-card:hover .arrow { opacity: 1; transform: translate(0,0); }

.section-cta-row { text-align: center; margin-top: 56px; }
.section-cta-row .btn-primary { background: var(--c-accent); }
.section-cta-row .btn-primary:hover { background: #fff; color: var(--c-ink); }

/* ============================================
   Committenti / Trust bar
   ============================================ */
.trust {
  background: var(--c-bg-soft);
  padding: 70px 0;
}
.trust-title {
  text-align: center;
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-muted);
  margin-bottom: 40px;
}
.trust-logos {
  display: flex;
  flex-wrap: wrap;
  gap: 24px 56px;
  justify-content: center;
  align-items: center;
}
.trust-logos span {
  font-family: 'Fraunces', serif;
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--c-ink-3);
  letter-spacing: -0.02em;
  opacity: 0.65;
  transition: opacity 0.3s var(--ease), color 0.3s var(--ease);
}
.trust-logos span:hover { opacity: 1; color: var(--c-ink); }

/* Sotto-blocco certificazioni nella trust bar — stesso corpo di "Ci hanno scelto" */
.trust-subtitle {
  margin-top: 32px;
  margin-bottom: 18px;
  text-align: center;
  font-size: 0.8rem;
  font-weight: 400; /* stesso peso di .trust-title, non 600 */
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-muted);
}
.trust-certs {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 80px;
  flex-wrap: wrap;
}
.trust-cert {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  opacity: 0.7;
  transition: opacity 0.3s var(--ease);
}
.trust-cert:hover { opacity: 1; }
.trust-cert img {
  height: 36px;
  width: auto;
  max-width: 90px;
  object-fit: contain;
  display: block;
}
.trust-cert span {
  font-family: 'Fraunces', serif;
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--c-ink-3);
  letter-spacing: -0.02em;
}
@media (max-width: 560px) {
  .trust-certs { gap: 40px; }
}

/* ============================================
   Contatti
   ============================================ */
.contatti-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}
@media (max-width: 900px) { .contatti-grid { grid-template-columns: 1fr; gap: 50px; } }

.contatti-info .info-item {
  display: flex; gap: 16px; align-items: flex-start;
  padding: 24px 0;
  border-bottom: 1px solid var(--c-line);
}
.contatti-info .info-item:last-child { border-bottom: 0; }
.contatti-info .info-item .ico {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: var(--c-accent-soft);
  color: var(--c-accent);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.contatti-info .info-item .ico svg { width: 20px; height: 20px; }
.contatti-info .info-item h4 { font-family: 'Inter',sans-serif; font-size: 0.82rem; font-weight: 600; color: var(--c-muted); text-transform: uppercase; letter-spacing: 0.1em; margin: 0 0 4px; }
.contatti-info .info-item p { font-size: 1.05rem; color: var(--c-ink); margin: 0; font-weight: 500; }

.contatti-form { background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius-lg); padding: 36px; box-shadow: var(--shadow-sm); }
.contatti-form .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; }
@media (max-width: 560px) { .contatti-form .form-row { grid-template-columns: 1fr; } }
.contatti-form input, .contatti-form textarea, .contatti-form select {
  width: 100%;
  padding: 14px 16px;
  border: 1.5px solid var(--c-line);
  border-radius: 10px;
  font: inherit;
  font-size: 0.95rem;
  background: var(--c-bg-soft);
  color: var(--c-ink);
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}
.contatti-form input:focus, .contatti-form textarea:focus, .contatti-form select:focus { outline: none; border-color: var(--c-ink); background: #fff; }
.contatti-form textarea { resize: vertical; min-height: 130px; margin-bottom: 20px; }
.contatti-form button[type=submit] { width: 100%; justify-content: center; }

/* ============================================
   Footer
   ============================================ */
.site-footer {
  background: var(--c-ink);
  color: rgba(255,255,255,0.7);
  padding: 80px 0 40px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 60px;
}
@media (max-width: 900px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .footer-grid { grid-template-columns: 1fr; } }

.footer-brand p { color: rgba(255,255,255,0.6); font-size: 0.95rem; margin-top: 18px; max-width: 360px; }
.footer-brand .logo-link svg { height: 48px; }
.footer-col h5 { color: #fff; font-family: 'Inter',sans-serif; font-size: 0.78rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.18em; margin: 0 0 18px; }
.footer-col a { display: block; padding: 6px 0; color: rgba(255,255,255,0.65); font-size: 0.92rem; transition: color 0.25s var(--ease), padding-left 0.25s var(--ease); }
.footer-col a:hover { color: var(--c-accent); padding-left: 4px; }
.footer-col a.disabled { color: rgba(255,255,255,0.35); pointer-events: none; }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 30px;
  border-top: 1px solid rgba(255,255,255,0.08);
  font-size: 0.82rem;
  color: rgba(255,255,255,0.5);
  flex-wrap: wrap; gap: 16px;
}
.footer-bottom .socials { display: flex; gap: 10px; }
.footer-bottom .socials a { width: 36px; height: 36px; border-radius: 50%; background: rgba(255,255,255,0.08); display: flex; align-items: center; justify-content: center; transition: background 0.3s var(--ease), color 0.3s var(--ease); }
.footer-bottom .socials a:hover { background: var(--c-accent); color: #fff; }
.footer-bottom .socials svg { width: 16px; height: 16px; }

/* ============================================
   PROJECTS PAGE
   ============================================ */
.page-hero {
  padding: calc(var(--header-h) + 80px) 0 50px;
  background: linear-gradient(180deg, #fafcff 0%, #eef2f7 100%);
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(10,37,64,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(10,37,64,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 70% 80% at 50% 0%, #000 20%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 70% 80% at 50% 0%, #000 20%, transparent 80%);
}
.page-hero .container { position: relative; }
.page-hero h1 { margin-bottom: 16px; }
.page-hero .lead { max-width: 720px; font-size: 1.15rem; color: var(--c-ink-3); }

.projects-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 40px;
  padding: 50px 0 100px;
}
@media (max-width: 900px) { .projects-layout { grid-template-columns: 1fr; gap: 24px; } }

/* Sticky filter sidebar */
.filter-sidebar {
  position: sticky;
  top: calc(var(--header-h) + 20px);
  align-self: start;
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  padding: 24px;
  max-height: calc(100vh - var(--header-h) - 40px);
  overflow-y: auto;
}
@media (max-width: 900px) {
  .filter-sidebar { position: static; max-height: none; }
}

.filter-sidebar h3 { font-family: 'Inter',sans-serif; font-size: 0.78rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.18em; color: var(--c-muted); margin: 0 0 14px; }
.filter-group { margin-bottom: 24px; }
.filter-group:last-child { margin-bottom: 0; }
.filter-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 2px; }
.filter-list button {
  width: 100%;
  text-align: left;
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 0.92rem;
  color: var(--c-ink-2);
  display: flex; justify-content: space-between; align-items: center;
  transition: background 0.2s var(--ease), color 0.2s var(--ease);
}
.filter-list button:hover { background: var(--c-bg-tint); }
.filter-list button.active { background: var(--c-ink); color: #fff; font-weight: 500; }
.filter-list button .count { font-size: 0.78rem; opacity: 0.6; }
.filter-list button.active .count { opacity: 0.8; }

.search-box {
  position: relative;
  margin-bottom: 24px;
}
.search-box input {
  width: 100%;
  padding: 12px 16px 12px 42px;
  border: 1.5px solid var(--c-line);
  border-radius: 10px;
  font: inherit;
  font-size: 0.92rem;
  background: var(--c-bg-soft);
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}
.search-box input:focus { outline: none; border-color: var(--c-ink); background: #fff; }
.search-box svg { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); width: 18px; height: 18px; color: var(--c-muted); }

.projects-main { min-width: 0; }

.projects-toolbar {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 24px;
  gap: 16px;
  flex-wrap: wrap;
}
.projects-toolbar .count { font-size: 0.95rem; color: var(--c-muted); }
.projects-toolbar .count strong { color: var(--c-ink); }
.view-toggle { display: flex; gap: 4px; background: var(--c-bg-tint); border-radius: 10px; padding: 4px; }
.view-toggle button { width: 36px; height: 36px; border-radius: 7px; display: flex; align-items: center; justify-content: center; color: var(--c-muted); transition: all 0.3s var(--ease); }
.view-toggle button.active { background: #fff; color: var(--c-ink); box-shadow: var(--shadow-sm); }
.view-toggle svg { width: 18px; height: 18px; }

/* Projects grid */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
@media (max-width: 640px) { .projects-grid { grid-template-columns: 1fr; } }
.projects-grid.list-view { grid-template-columns: 1fr; }

.project-card {
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  transition: transform 0.5s var(--ease), box-shadow 0.5s var(--ease), border-color 0.5s var(--ease);
}
.project-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: transparent; }
.project-card .img-wrap {
  position: relative;
  aspect-ratio: 16/10;
  overflow: hidden;
  background: var(--c-bg-tint);
}
.project-card .img-wrap img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.8s var(--ease); }
.project-card:hover .img-wrap img { transform: scale(1.06); }
.project-card .img-wrap .category-pill {
  position: absolute; top: 16px; left: 16px;
  background: rgba(255,255,255,0.95);
  color: var(--c-ink);
  font-size: 0.72rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.1em;
  padding: 6px 12px; border-radius: 99px;
  backdrop-filter: blur(8px);
}
.project-card .body { padding: 24px; flex: 1; display: flex; flex-direction: column; }
.project-card .body h3 { font-family: 'Fraunces', serif; font-size: 1.2rem; line-height: 1.3; margin: 0 0 8px; color: var(--c-ink); }
.project-card .body .location { font-size: 0.85rem; color: var(--c-muted); margin: 0 0 12px; display: flex; align-items: center; gap: 6px; }
.project-card .body .location svg { width: 14px; height: 14px; }
.project-card .body p { font-size: 0.92rem; color: var(--c-ink-3); margin: 0 0 16px; flex: 1; }
.project-card .body .card-meta { display: flex; justify-content: space-between; align-items: center; padding-top: 16px; border-top: 1px solid var(--c-line); font-size: 0.82rem; color: var(--c-muted); }
.project-card .body .card-meta .year { font-weight: 600; color: var(--c-ink); }
.project-card .body .card-meta .arrow { width: 32px; height: 32px; border-radius: 50%; background: var(--c-ink); color: #fff; display: flex; align-items: center; justify-content: center; transition: background 0.3s var(--ease), transform 0.3s var(--ease); }
.project-card:hover .body .card-meta .arrow { background: var(--c-accent); transform: translateX(4px); }
.project-card .body .card-meta .arrow svg { width: 14px; height: 14px; }

/* List view */
.projects-grid.list-view .project-card { flex-direction: row; }
.projects-grid.list-view .project-card .img-wrap { aspect-ratio: 4/3; flex: 0 0 36%; }
.projects-grid.list-view .project-card .body { padding: 28px; }
@media (max-width: 700px) { .projects-grid.list-view .project-card { flex-direction: column; } .projects-grid.list-view .project-card .img-wrap { flex: auto; } }

/* Empty state */
.projects-empty { text-align: center; padding: 80px 20px; color: var(--c-muted); }
.projects-empty svg { width: 60px; height: 60px; margin: 0 auto 16px; opacity: 0.4; }
.projects-empty h3 { font-family: 'Fraunces', serif; color: var(--c-ink); margin-bottom: 8px; }

/* ============================================
   PROJECT DETAIL OVERLAY
   ============================================ */
.project-detail {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  justify-content: flex-end;
  pointer-events: none;
}
.project-detail.open { pointer-events: auto; }
.project-detail .scrim {
  position: absolute; inset: 0;
  background: rgba(10, 37, 64, 0.55);
  backdrop-filter: blur(6px);
  opacity: 0;
  transition: opacity 0.5s var(--ease);
}
.project-detail.open .scrim { opacity: 1; }

.project-detail .panel {
  position: relative;
  width: min(720px, 100%);
  background: #fff;
  height: 100%;
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform 0.6s var(--ease);
  display: flex; flex-direction: column;
}
.project-detail.open .panel { transform: translateX(0); }
@media (max-width: 720px) { .project-detail .panel { width: 100%; } }

.detail-close {
  position: absolute;
  top: 18px; right: 18px;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: rgba(255,255,255,0.95);
  display: flex; align-items: center; justify-content: center;
  z-index: 10;
  box-shadow: var(--shadow-md);
  transition: transform 0.3s var(--ease), background 0.3s var(--ease);
}
.detail-close:hover { transform: rotate(90deg); background: var(--c-accent); color: #fff; }
.detail-close svg { width: 18px; height: 18px; }

.detail-image { width: 100%; aspect-ratio: 16/9; object-fit: cover; background: var(--c-bg-tint); }
.detail-content { padding: 36px 40px 80px; }
@media (max-width: 560px) { .detail-content { padding: 28px 24px 80px; } }
.detail-content .category-pill {
  display: inline-block;
  background: var(--c-accent-soft);
  color: var(--c-accent);
  font-size: 0.74rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.12em;
  padding: 6px 14px; border-radius: 99px;
  margin-bottom: 16px;
}
.detail-content h1 { font-size: clamp(1.8rem, 4vw, 2.4rem); margin-bottom: 14px; }
.detail-content .location { display: flex; align-items: center; gap: 8px; color: var(--c-muted); font-size: 0.95rem; margin-bottom: 28px; }
.detail-content .location svg { width: 16px; height: 16px; }
.detail-content p { font-size: 1.02rem; line-height: 1.7; color: var(--c-ink-3); margin-bottom: 20px; }

.detail-meta {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin: 30px 0;
  padding: 24px;
  background: var(--c-bg-soft);
  border-radius: var(--radius);
}
.detail-meta .item h5 { font-family: 'Inter',sans-serif; font-size: 0.74rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.12em; color: var(--c-muted); margin: 0 0 4px; }
.detail-meta .item p { font-size: 0.98rem; color: var(--c-ink); font-weight: 500; margin: 0; }

.detail-nav {
  position: sticky; bottom: 0;
  display: flex; justify-content: space-between; gap: 12px;
  padding: 18px 40px;
  background: #fff;
  border-top: 1px solid var(--c-line);
  margin-top: auto;
}
@media (max-width: 560px) { .detail-nav { padding: 14px 20px; } }
.detail-nav button {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 18px;
  border-radius: 10px;
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--c-ink-2);
  transition: background 0.3s var(--ease), color 0.3s var(--ease);
}
.detail-nav button:hover:not(:disabled) { background: var(--c-bg-tint); color: var(--c-ink); }
.detail-nav button:disabled { opacity: 0.35; cursor: not-allowed; }
.detail-nav button svg { width: 16px; height: 16px; }
.detail-nav .next { background: var(--c-ink); color: #fff; }
.detail-nav .next:hover { background: var(--c-accent); color: #fff; }

/* ============================================
   Utility
   ============================================ */
.no-scroll { overflow: hidden; }
::selection { background: var(--c-accent); color: #fff; }

/* Smooth focus */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--c-accent);
  outline-offset: 3px;
  border-radius: 4px;
}
