/* ═══════════════════════════════════════════════════════════════════════════
   MCU S.R.L.S. — Design System
   Aesthetic: Dark industrial + marble luxury
   Typography: Cormorant Garamond (display) + Barlow (body)
   ═══════════════════════════════════════════════════════════════════════════ */

/* ─── TOKENS ──────────────────────────────────────────────────────────────── */
:root {
  --c-bg:          #0d0b09;
  --c-surface:     #141210;
  --c-surface-2:   #1c1916;
  --c-border:      rgba(200,175,130,0.15);
  --c-border-hi:   rgba(200,175,130,0.35);

  --c-gold:        #c8af82;
  --c-gold-light:  #dfc9a0;
  --c-gold-dim:    rgba(200,175,130,0.12);
  --c-gold-glow:   rgba(200,175,130,0.08);

  --c-text:        #e8e0d4;
  --c-text-muted:  #9e9486;
  --c-text-dim:    #5c5550;

  --c-white:       #f5f0e8;

  --f-display: 'Cormorant Garamond', Georgia, serif;
  --f-body:    'Barlow', system-ui, sans-serif;

  --r-sm:   6px;
  --r-md:   12px;
  --r-lg:   18px;
  --r-xl:   24px;
  --r-full: 999px;

  --shadow-card: 0 1px 0 0 var(--c-border), 0 8px 32px rgba(0,0,0,0.5);
  --shadow-glow: 0 0 40px var(--c-gold-glow);

  --hdr-h: 64px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ─── RESET ───────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; -webkit-tap-highlight-color: transparent; }
body {
  font-family: var(--f-body);
  background: var(--c-bg);
  color: var(--c-text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
ul, ol { list-style: none; }

/* ─── LAYOUT UTILS ────────────────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: 1160px;
  margin-inline: auto;
  padding-inline: 20px;
}

/* ─── REVEAL ANIMATIONS ────────────────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--transition), transform 0.7s var(--transition);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal--delay-1 { transition-delay: 0.1s; }
.reveal--delay-2 { transition-delay: 0.2s; }
.reveal--delay-3 { transition-delay: 0.3s; }

/* ─── HEADER ──────────────────────────────────────────────────────────────── */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--hdr-h);
  background: rgba(13,11,9,0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--c-border);
  transition: background var(--transition), border-color var(--transition);
}
.site-header.scrolled {
  background: rgba(13,11,9,0.97);
  border-color: var(--c-border-hi);
}
.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-inline: 20px;
  max-width: 1160px;
  margin-inline: auto;
  gap: 16px;
}
.logo-link {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-img {
  width: 40px;
  height: 40px;
  object-fit: contain;
  border-radius: 50%;
  border: 1px solid var(--c-border-hi);
}
.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1;
}
.logo-name {
  font-family: var(--f-display);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--c-gold-light);
  letter-spacing: 0.08em;
}
.logo-sub {
  font-family: var(--f-body);
  font-size: 0.6rem;
  font-weight: 500;
  color: var(--c-text-muted);
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

/* Desktop nav */
.desktop-nav {
  display: none;
  gap: 32px;
}
.desktop-nav a {
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-text-muted);
  transition: color var(--transition);
  position: relative;
  padding-bottom: 2px;
}
.desktop-nav a::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 0; height: 1px;
  background: var(--c-gold);
  transition: width var(--transition);
}
.desktop-nav a:hover { color: var(--c-gold-light); }
.desktop-nav a:hover::after { width: 100%; }

/* Hamburger */
.hamburger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
  border-radius: var(--r-sm);
  transition: background var(--transition);
}
.hamburger:hover { background: var(--c-gold-dim); }
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--c-gold);
  border-radius: 2px;
  transition: transform 0.35s ease, opacity 0.25s ease;
  transform-origin: center;
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile nav */
.mobile-nav {
  position: absolute;
  top: var(--hdr-h);
  left: 0; right: 0;
  background: rgba(13,11,9,0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--c-border);
  padding: 8px 20px 20px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  transform: translateY(-100%);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.25s ease;
}
.mobile-nav.open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}
.mobile-link {
  display: block;
  padding: 12px 14px;
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--c-text);
  border-radius: var(--r-sm);
  border-left: 2px solid transparent;
  transition: color var(--transition), border-color var(--transition), background var(--transition);
}
.mobile-link:hover, .mobile-link:focus {
  color: var(--c-gold-light);
  border-left-color: var(--c-gold);
  background: var(--c-gold-dim);
}
.mobile-link--sm {
  font-size: 0.8rem;
  color: var(--c-text-muted);
  margin-top: 8px;
  border-top: 1px solid var(--c-border);
  padding-top: 16px;
}

/* ─── HERO ────────────────────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100svh;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: calc(var(--hdr-h) + 48px) 20px 80px;
  overflow: hidden;
  text-align: center;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(200,175,130,0.06) 0%, transparent 70%),
    radial-gradient(ellipse 60% 40% at 10% 80%, rgba(200,175,130,0.04) 0%, transparent 60%),
    linear-gradient(180deg, #0d0b09 0%, #111009 40%, #0a0907 100%);
}
.hero-grain {
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  opacity: 0.5;
  pointer-events: none;
}
.hero-vignette {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, transparent 40%, rgba(0,0,0,0.7) 100%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 680px;
  margin-inline: auto;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border: 1px solid var(--c-border-hi);
  border-radius: var(--r-full);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-gold);
  background: var(--c-gold-dim);
  margin-bottom: 24px;
}
.hero-badge::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--c-gold);
  animation: pulse-gold 2s infinite;
}
@keyframes pulse-gold {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.7); }
}

.hero-title {
  font-family: var(--f-display);
  font-size: clamp(2.8rem, 8vw, 5.5rem);
  font-weight: 700;
  line-height: 1.05;
  margin-bottom: 24px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.hero-title-line { display: block; color: var(--c-white); }
.hero-title-accent {
  background: linear-gradient(135deg, var(--c-gold-light) 0%, var(--c-gold) 50%, #a87d4a 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-style: italic;
}

.hero-desc {
  font-size: clamp(0.9rem, 2.5vw, 1.1rem);
  color: var(--c-text-muted);
  line-height: 1.7;
  margin-bottom: 36px;
  max-width: 560px;
  margin-inline: auto;
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 28px;
  border-radius: var(--r-md);
  font-family: var(--f-body);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: all var(--transition);
  min-width: 140px;
  touch-action: manipulation;
}
.btn--primary {
  background: linear-gradient(135deg, var(--c-gold) 0%, #a87d4a 100%);
  color: #0d0b09;
  box-shadow: 0 4px 20px rgba(200,175,130,0.25);
}
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(200,175,130,0.35);
  background: linear-gradient(135deg, var(--c-gold-light) 0%, var(--c-gold) 100%);
}
.btn--ghost {
  border: 1px solid var(--c-border-hi);
  color: var(--c-gold);
  background: transparent;
}
.btn--ghost:hover {
  background: var(--c-gold-dim);
  border-color: var(--c-gold);
  transform: translateY(-2px);
}
.btn:active { transform: translateY(0) !important; }

/* Scroll hint — hidden on mobile */
.hero-scroll-hint {
  display: none;
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-text-dim);
}
.hero-scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--c-gold), transparent);
  animation: scroll-line 2s ease-in-out infinite;
}
@keyframes scroll-line {
  0%, 100% { opacity: 0.3; transform: scaleY(0.5); transform-origin: top; }
  50% { opacity: 1; transform: scaleY(1); }
}

/* ─── SECTIONS ────────────────────────────────────────────────────────────── */
.section {
  padding-block: 72px 80px;
}
.section-header {
  text-align: center;
  margin-bottom: 52px;
}
.section-label {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--c-gold);
  margin-bottom: 12px;
  padding: 4px 14px;
  border: 1px solid var(--c-border-hi);
  border-radius: var(--r-full);
  background: var(--c-gold-dim);
}
.section-title {
  font-family: var(--f-display);
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 700;
  color: var(--c-white);
  line-height: 1.1;
  margin-bottom: 14px;
}
.section-desc {
  font-size: clamp(0.9rem, 2vw, 1.05rem);
  color: var(--c-text-muted);
  max-width: 560px;
  margin-inline: auto;
  line-height: 1.7;
}

/* ─── SERVICES GRID ───────────────────────────────────────────────────────── */
.servizi-section {
  background: var(--c-surface);
  position: relative;
}
.servizi-section::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--c-gold), transparent);
}
.servizi-section::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--c-gold), transparent);
}

.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.service-card {
  background: var(--c-surface-2);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition), background var(--transition);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--c-gold-dim), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}
.service-card:hover {
  border-color: var(--c-border-hi);
  background: rgba(28,25,22,0.9);
  transform: translateY(-3px);
  box-shadow: var(--shadow-card), var(--shadow-glow);
}
.service-card:hover::before { opacity: 1; }

.card-icon {
  width: 44px; height: 44px;
  border-radius: var(--r-md);
  background: var(--c-gold-dim);
  border: 1px solid var(--c-border-hi);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--c-gold);
  flex-shrink: 0;
}
.card-icon svg { width: 22px; height: 22px; }

.card-title {
  font-family: var(--f-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--c-white);
  line-height: 1.2;
}
.card-desc {
  font-size: 0.88rem;
  color: var(--c-text-muted);
  line-height: 1.65;
}

/* ─── ABOUT ───────────────────────────────────────────────────────────────── */
.about-section {
  background: var(--c-bg);
}
.about-grid {
  display: flex;
  flex-direction: column;
  gap: 48px;
}

.about-img-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}
.about-logo-block {
  position: relative;
  width: 200px; height: 200px;
}
.about-logo-block::before {
  content: '';
  position: absolute;
  inset: -10px;
  border-radius: 50%;
  border: 1px solid var(--c-border-hi);
  animation: ring-pulse 4s ease-in-out infinite;
}
.about-logo-block::after {
  content: '';
  position: absolute;
  inset: -22px;
  border-radius: 50%;
  border: 1px solid var(--c-border);
  animation: ring-pulse 4s ease-in-out infinite 0.8s;
}
@keyframes ring-pulse {
  0%, 100% { transform: scale(1); opacity: 0.5; }
  50% { transform: scale(1.03); opacity: 1; }
}
.about-logo-img {
  width: 200px; height: 200px;
  object-fit: contain;
  border-radius: 50%;
  border: 2px solid var(--c-border-hi);
  box-shadow: 0 0 60px rgba(200,175,130,0.12);
}
.about-badge-wrap {
  display: flex;
  gap: 16px;
}
.about-badge {
  flex: 1;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  padding: 16px 14px;
  text-align: center;
}
.about-badge-num {
  display: block;
  font-family: var(--f-display);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--c-gold);
  line-height: 1;
  margin-bottom: 6px;
}
.about-badge-label {
  font-size: 0.72rem;
  color: var(--c-text-muted);
  letter-spacing: 0.06em;
  line-height: 1.4;
}

.about-content .section-title { text-align: left; }
.about-content .section-label { display: inline-block; margin-bottom: 12px; }
.about-desc {
  font-size: 0.95rem;
  color: var(--c-text-muted);
  line-height: 1.75;
  margin-bottom: 16px;
}

.about-data {
  margin-top: 28px;
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  overflow: hidden;
}
.about-data-row {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--c-border);
  transition: background var(--transition);
}
.about-data-row:last-child { border-bottom: none; }
.about-data-row:hover { background: var(--c-surface); }
.about-data-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-gold);
}
.about-data-val {
  font-size: 0.9rem;
  color: var(--c-text);
  word-break: break-all;
}
.about-data-val a {
  color: var(--c-gold);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ─── CONTACT ─────────────────────────────────────────────────────────────── */
.contact-section {
  background: var(--c-surface);
  position: relative;
}
.contact-section::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--c-gold), transparent);
}

.contact-cards {
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-width: 640px;
  margin-inline: auto;
}
.contact-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 20px;
  background: var(--c-surface-2);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  transition: border-color var(--transition), background var(--transition), transform var(--transition);
}
a.contact-card:hover {
  border-color: var(--c-gold);
  background: var(--c-gold-dim);
  transform: translateY(-2px);
}
.contact-card--info { cursor: default; }
.contact-card-icon {
  width: 44px; height: 44px;
  flex-shrink: 0;
  border-radius: var(--r-md);
  background: var(--c-gold-dim);
  border: 1px solid var(--c-border-hi);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--c-gold);
}
.contact-card-icon svg { width: 20px; height: 20px; }
.contact-card-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
}
.contact-card-label {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-gold);
}
.contact-card-value {
  font-size: 0.9rem;
  color: var(--c-text);
  word-break: break-all;
}
.contact-card-arrow {
  font-size: 1.2rem;
  color: var(--c-gold);
  flex-shrink: 0;
  transition: transform var(--transition);
}
a.contact-card:hover .contact-card-arrow { transform: translateX(4px); }

/* ─── FOOTER ──────────────────────────────────────────────────────────────── */
.site-footer {
  background: var(--c-bg);
  border-top: 1px solid var(--c-border);
  padding-block: 48px 32px;
}
.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 36px;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 14px;
}
.footer-logo {
  width: 48px; height: 48px;
  object-fit: contain;
  border-radius: 50%;
  border: 1px solid var(--c-border-hi);
  flex-shrink: 0;
}
.footer-company {
  font-family: var(--f-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--c-gold-light);
  letter-spacing: 0.06em;
}
.footer-tagline {
  font-size: 0.75rem;
  color: var(--c-text-muted);
  letter-spacing: 0.1em;
  margin-top: 2px;
}
.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
}
.footer-nav a {
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--c-text-muted);
  transition: color var(--transition);
}
.footer-nav a:hover { color: var(--c-gold); }
.footer-legal {
  border-top: 1px solid var(--c-border);
  padding-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 5px;
}
.footer-legal p {
  font-size: 0.78rem;
  color: var(--c-text-dim);
  line-height: 1.5;
}
.footer-copy { margin-top: 4px; }

/* ═══════════════════════════════════════════════════════════════════════════
   RESPONSIVE — TABLET & DESKTOP
   ═══════════════════════════════════════════════════════════════════════════ */

@media (min-width: 560px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 768px) {
  :root { --hdr-h: 72px; }

  .hamburger { display: none; }
  .mobile-nav { display: none; }
  .desktop-nav { display: flex; }

  .hero-scroll-hint { display: flex; }

  .services-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .about-grid {
    flex-direction: row;
    align-items: flex-start;
    gap: 60px;
  }
  .about-img-wrap {
    flex-shrink: 0;
    width: 260px;
  }
  .about-logo-block { width: 240px; height: 240px; }
  .about-logo-img   { width: 240px; height: 240px; }

  .about-content { flex: 1; }
  .about-data-row { flex-direction: row; align-items: flex-start; gap: 12px; }
  .about-data-label { width: 180px; flex-shrink: 0; padding-top: 2px; }
  .about-data-val { flex: 1; }

  .footer-inner { flex-direction: row; align-items: flex-start; }
  .footer-brand { flex: 1; flex-direction: column; align-items: flex-start; gap: 8px; }
  .footer-nav { flex-direction: column; gap: 10px; }
  .footer-legal { border-top: none; padding-top: 0; margin-left: auto; text-align: right; }
}

@media (min-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(4, 1fr);
  }
  .section { padding-block: 96px 104px; }
}

/* ─── TOUCH OPTIMIZATIONS ─────────────────────────────────────────────────── */
@media (hover: none) {
  .service-card:hover { transform: none; }
  .btn--primary:hover { transform: none; }
  .btn--ghost:hover   { transform: none; }
  .contact-card:hover { transform: none; }
}

/* ─── FOCUS VISIBLE ───────────────────────────────────────────────────────── */
:focus-visible {
  outline: 2px solid var(--c-gold);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ─── SCROLLBAR ───────────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--c-bg); }
::-webkit-scrollbar-thumb { background: var(--c-surface-2); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--c-gold-dim); }

/* ─── Hide cookie floating icon ────────────────────────────────────────────── */
#cookieMinimizeIcon { display: none !important; }

/* ─── Contact card sede — nowrap optimization ──────────────────────────────── */
.contact-card-value--nowrap {
  white-space: nowrap;
  font-size: 0.82rem;
}
@media (max-width: 380px) {
  .contact-card-value--nowrap {
    font-size: 0.76rem;
    white-space: normal;
  }
}