html {
  scroll-padding-top: 100px;
  scroll-behavior: smooth;
  overflow-x: hidden;
  max-width: 100vw;
  box-sizing: border-box;
}
*, *::before, *::after {
  box-sizing: inherit;
}
/**
 * ==============================================================================
 * BASE.CSS — RESET, TIPOGRAFIA GLOBALE, CONTAINER E UTILITIES (IMPACTA HUB)
 * ==============================================================================
 */

/* ─── 1. RESET MODERNO ─── */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-regular);
  line-height: var(--line-height-body);
  color: var(--ink);
  background-color: var(--white);
  min-height: 100vh;
  overflow-x: hidden;
  max-width: 100vw;
  position: relative;
}

/* Scroll margin per ancore con header fisso 80px */
[id] {
  scroll-margin-top: 104px;
}

/* ─── 2. SELEZIONE & SCROLLBAR ─── */
::selection {
  background-color: var(--orange);
  color: #ffffff;
}

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--surface-soft);
}

::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: var(--radius-pill);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--orange);
}

/* ─── 3. TIPOGRAFIA GLOBALE ─── */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-sans);
  color: var(--ink);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-snug);
}

h1 {
  font-size: var(--font-size-h1-home);
  font-weight: var(--font-weight-black);
  line-height: var(--line-height-tight);
  letter-spacing: var(--letter-spacing-h1);
}

h2 {
  font-size: var(--font-size-h2);
  font-weight: var(--font-weight-bold);
  letter-spacing: var(--letter-spacing-h2);
}

h3 {
  font-size: var(--font-size-h3);
  font-weight: var(--font-weight-bold);
}

h4 {
  font-size: 1.375rem;
  font-weight: var(--font-weight-semibold);
}

p {
  color: var(--muted);
  line-height: var(--line-height-body);
  font-size: var(--font-size-body);
  max-width: 75ch;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast), opacity var(--transition-fast);
}

img, svg, picture, video {
  max-width: 100%;
  display: block;
}

button, input, textarea, select {
  font: inherit;
  color: inherit;
  border: none;
  outline: none;
  background: none;
}

/* Focus ring accessibile */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 3px;
}

ul, ol {
  list-style: none;
}

/* ─── 4. TIPOGRAFIA D'ECCEZIONE (LORA PER HERO SUPPORT) ─── */
.font-serif,
.hero-support-lora {
  font-family: var(--font-serif) !important;
  font-weight: 400 !important;
  font-style: normal !important;
  line-height: 1.65;
}

/* ─── 5. UTILITY COLORI & GRADIENTI ─── */
.text-orange { color: var(--orange) !important; }
.text-orange-text { color: var(--orange-text) !important; }
.text-ink { color: var(--ink) !important; }
.text-muted { color: var(--muted) !important; }
.text-muted-on-dark { color: var(--muted-on-dark) !important; }
.text-white { color: #ffffff !important; }

.bg-white { background-color: var(--white) !important; }
.bg-surface-soft { background-color: var(--surface-soft) !important; }
.bg-dark { background-color: var(--dark) !important; }
.bg-orange { background-color: var(--orange) !important; }
.bg-orange-wash { background-color: var(--orange-wash) !important; }

.text-gradient-orange {
  color: var(--orange);
  display: inline-block;
}

/* ─── 6. CONTAINER & LAYOUT ─── */
.container {
  width: 100%;
  max-width: var(--content-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

@media (min-width: 768px) {
  .container {
    padding-left: 32px;
    padding-right: 32px;
  }
}

@media (min-width: 1280px) {
  .container {
    padding-left: 48px;
    padding-right: 48px;
  }
}

.container--reading {
  max-width: var(--reading-max);
}

.container--interaction {
  max-width: var(--interaction-max);
}

.container--cta {
  max-width: var(--cta-max);
}

.section-padding {
  padding-top: 96px;
  padding-bottom: 96px;
}

@media (max-width: 768px) {
  .section-padding {
    padding-top: 64px;
    padding-bottom: 64px;
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ====== IMPACTA HUB MASTER NAVBAR SYSTEM ====== */
.site-header,
.site-nav {
  position: fixed !important;
  top: 0 !important;
  left: 0 !important;
  width: 100% !important;
  height: 80px !important;
  z-index: 1000 !important;
  background: rgba(0, 0, 0, 0.92) !important;
  backdrop-filter: blur(24px) !important;
  -webkit-backdrop-filter: blur(24px) !important;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08) !important;
  display: flex !important;
  align-items: center !important;
  transition: background-color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease !important;
  padding: 0 !important;
  box-sizing: border-box !important;
}

.site-header.scrolled,
.site-nav.scrolled {
  background: #000000 !important;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12) !important;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.75) !important;
}

.site-header.solid-dark {
  background: #000000 !important;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08) !important;
}

.site-header .nav-container,
.site-nav .nav-container,
.site-header .nav-inner,
.site-nav .nav-inner {
  width: 100% !important;
  max-width: 1240px !important;
  margin: 0 auto !important;
  padding: 0 32px !important;
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  flex-wrap: nowrap !important;
  height: 100% !important;
  box-sizing: border-box !important;
}

.site-header .nav-logo-link,
.site-nav .nav-logo-link,
.site-header .nav-brand-link,
.site-nav .nav-brand-link {
  display: inline-flex !important;
  align-items: center !important;
  text-decoration: none !important;
  padding: 4px 0 !important;
  flex-shrink: 0 !important;
}

.site-header .brand,
.site-nav .brand {
  height: 32px !important;
  width: auto !important;
  display: block !important;
  object-fit: contain !important;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1) !important;
}

.site-header .brand:hover,
.site-nav .brand:hover {
  transform: scale(1.02) !important;
}

.site-header .nav-menu,
.site-nav nav.nav-menu,
.site-nav .nav-menu {
  display: flex !important;
  align-items: center !important;
  gap: 28px !important;
  margin-left: auto !important;
  margin-right: 28px !important;
  flex-wrap: nowrap !important;
  flex-shrink: 1 !important;
}

.site-header .nav-link,
.site-nav .nav-link {
  font-family: 'Montserrat', Helvetica, Arial, sans-serif !important;
  font-size: 0.8125rem !important; /* 13px - exact original */
  font-weight: 500 !important;
  letter-spacing: 0.01em !important;
  color: #a1a1aa !important;
  text-decoration: none !important;
  position: relative !important;
  padding: 6px 0 !important;
  transition: color 0.22s ease, opacity 0.22s ease !important;
  white-space: nowrap !important;
  background: transparent !important;
  border: none !important;
  cursor: pointer !important;
}

.site-header .nav-link:hover,
.site-nav .nav-link:hover {
  color: #ffffff !important;
}

.site-header .nav-link::after,
.site-nav .nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 16px;
  height: 2px;
  border-radius: 2px;
  background: #ff5b16;
  box-shadow: 0 0 8px rgba(255, 91, 22, 0.8);
  transition: transform 0.22s cubic-bezier(0.16, 1, 0.3, 1);
}

.site-header .nav-link:hover::after,
.site-nav .nav-link:hover::after {
  transform: translateX(-50%) scaleX(1);
}

/* ─── DROPDOWN SATINATO "I NOSTRI LAVORI" & "SERVIZI" ─── */
.nav-dropdown-wrap {
  position: relative !important;
  display: inline-flex !important;
  align-items: center !important;
}

.nav-dropdown-btn {
  background: transparent !important;
  border: none !important;
  cursor: pointer !important;
  display: inline-flex !important;
  align-items: center !important;
  gap: 5px !important;
}

.nav-chevron {
  font-size: 10px !important;
  transition: transform 0.22s cubic-bezier(0.16, 1, 0.3, 1) !important;
  opacity: 0.7 !important;
}

.nav-dropdown-wrap:hover .nav-chevron,
.nav-dropdown-wrap:focus-within .nav-chevron {
  transform: rotate(180deg) !important;
  opacity: 1 !important;
}

.nav-dropdown-menu {
  position: absolute !important;
  top: calc(100% + 12px) !important;
  left: 50% !important;
  transform: translateX(-50%) translateY(8px) scale(0.97) !important;
  background: rgba(14, 14, 17, 0.96) !important;
  backdrop-filter: blur(24px) !important;
  -webkit-backdrop-filter: blur(24px) !important;
  border: 1px solid rgba(255, 255, 255, 0.1) !important;
  border-radius: 16px !important;
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.75), 0 0 0 1px rgba(255, 91, 22, 0.15) !important;
  padding: 8px !important;
  min-width: 290px !important;
  opacity: 0 !important;
  visibility: hidden !important;
  pointer-events: none !important;
  transition: opacity 0.22s cubic-bezier(0.16, 1, 0.3, 1), transform 0.22s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.22s !important;
  z-index: 1000 !important;
  display: flex !important;
  flex-direction: column !important;
  gap: 2px !important;
}

.nav-dropdown-wrap::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  height: 14px;
}

.nav-dropdown-wrap:hover .nav-dropdown-menu,
.nav-dropdown-wrap:focus-within .nav-dropdown-menu {
  opacity: 1 !important;
  visibility: visible !important;
  pointer-events: auto !important;
  transform: translateX(-50%) translateY(0) scale(1) !important;
}

.nav-dropdown-item {
  display: flex !important;
  flex-direction: column !important;
  gap: 3px !important;
  padding: 12px 14px !important;
  border-radius: 10px !important;
  text-decoration: none !important;
  transition: background 0.18s ease, transform 0.18s ease !important;
  text-align: left !important;
}

.nav-dropdown-item:hover {
  background: rgba(255, 255, 255, 0.06) !important;
  transform: translateX(2px) !important;
}

.dropdown-item-title {
  color: #ffffff !important;
  font-size: 13.5px !important;
  font-weight: 650 !important;
  letter-spacing: -0.01em !important;
  display: flex !important;
  align-items: center !important;
  gap: 6px !important;
}

.dropdown-item-desc {
  color: #a1a1aa !important;
  font-size: 11.5px !important;
  line-height: 1.4 !important;
}

.site-header .nav-actions,
.site-nav .nav-actions {
  display: flex !important;
  align-items: center !important;
  gap: 16px !important;
  flex-shrink: 0 !important;
}

/* Right CTA Button */
.site-header .btn-header-cta,
.site-nav .btn-header-cta,
.site-header .nav-cta,
.site-nav .nav-cta {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 8px !important;
  font-family: 'Montserrat', Helvetica, Arial, sans-serif !important;
  font-size: 0.875rem !important; /* 14px */
  font-weight: 600 !important;
  letter-spacing: -0.005em !important;
  color: #ffffff !important;
  background: linear-gradient(135deg, #ff5b16 0%, #ff7a00 100%) !important;
  border: 1px solid rgba(255, 122, 0, 0.4) !important;
  border-radius: 9999px !important;
  padding: 10px 22px !important;
  text-decoration: none !important;
  white-space: nowrap !important;
  box-shadow: 0 4px 16px rgba(255, 91, 22, 0.35) !important;
  transition: transform 0.24s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.24s ease, border-color 0.24s ease !important;
  cursor: pointer !important;
  box-sizing: border-box !important;
  height: auto !important;
  min-height: unset !important;
}

.site-header .btn-header-cta:hover,
.site-nav .btn-header-cta:hover,
.site-header .nav-cta:hover,
.site-nav .nav-cta:hover {
  transform: translateY(-1px) scale(1.02) !important;
  box-shadow: 0 6px 24px rgba(255, 91, 22, 0.55) !important;
  border-color: rgba(255, 154, 92, 0.7) !important;
}

.site-header .btn-header-cta:active,
.site-nav .btn-header-cta:active,
.site-header .nav-cta:active,
.site-nav .nav-cta:active {
  transform: scale(0.96) !important;
}

.menu-toggle {
  display: none !important;
  background: transparent !important;
  border: 1px solid rgba(255, 255, 255, 0.12) !important;
  cursor: pointer !important;
  padding: 8px !important;
  justify-content: center !important;
  align-items: center !important;
}

/* Mobile Nav Panel */
.mobile-nav {
  position: fixed;
  top: 72px;
  left: 0;
  width: 100%;
  height: calc(100vh - 72px);
  max-height: calc(100dvh - 72px);
  background: #000;
  z-index: 9999;
  overflow-y: auto;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transform: translateY(-100%);
  opacity: 0;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.4s ease;
  pointer-events: none;
}
.mobile-nav.is-open,
.mobile-nav:not([hidden]) {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}
.mobile-nav > a, .mobile-nav-heading {
  font-size: 1.25rem;
  font-weight: 600;
  color: #fff;
  text-decoration: none;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.mobile-nav > a:hover {
  color: #FF7A00;
}
.mobile-nav-subgroup-details summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  font-size: 1.1rem;
  font-weight: 600;
  color: #fff;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.mobile-nav-subgroup-details summary::-webkit-details-marker {
  display: none;
}
.mobile-nav-subgroup-content {
  display: flex;
  flex-direction: column;
  padding: 10px 0 10px 16px;
  gap: 12px;
}
.mobile-sublink {
  font-size: 0.95rem !important;
  color: #a1a1aa !important;
  text-decoration: none;
  font-weight: 400 !important;
  margin: 0 !important;
  padding: 4px 0 !important;
  display: block !important;
}
.mobile-sublink:hover {
  color: #fff !important;
}

/* MEDIA QUERIES FOR MOBILE */
@media (max-width: 960px) {
  .site-header .nav-menu,
  .site-nav nav.nav-menu,
  .site-nav .nav-menu {
    display: none !important;
  }
  .site-header .btn-header-cta,
  .site-nav .btn-header-cta,
  .site-header .nav-cta,
  .site-nav .nav-cta {
    display: none !important;
  }
  .menu-toggle {
    display: flex !important;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: transparent;
    border: none;
    cursor: pointer;
    margin-left: auto;
  }
  .site-header .nav-container,
  .site-nav .nav-container,
  .site-header .nav-inner,
  .site-nav .nav-inner {
    padding: 0 20px !important;
  }
}

@media (max-width: 600px) {
  .site-header,
  .site-nav {
    height: 72px !important;
  }
  .mobile-nav {
    top: 72px !important;
    max-height: calc(100dvh - 72px) !important;
  }
  .site-header .brand,
  .site-nav .brand {
    height: 30px !important;
  }
}