/* ==========================================================================
   TME IMPIANTI ELETTRICI - MODERN INDUSTRIAL DESIGN SYSTEM
   Modern, Responsive, Accessible & High-Performance Stylesheet
   ========================================================================== */

/* --------------------------------------------------------------------------
   0. WEB FONTS (self-hosted, nessuna richiesta a Google)
   -------------------------------------------------------------------------- */
@font-face {
  font-family: 'Plus Jakarta Sans';
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url('assets/fonts/plus-jakarta-sans-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: 'Montserrat';
  font-style: normal;
  font-weight: 600 800;
  font-display: swap;
  src: url('assets/fonts/montserrat-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* --------------------------------------------------------------------------
   1. VARIABLES & DESIGN TOKENS
   -------------------------------------------------------------------------- */
:root {
  /* Brand Color Palette */
  --primary: #0051FF;
  --primary-hover: #003ECC;
  --primary-light: #EEF4FF;
  --primary-dark: #002D9C;
  --primary-gradient: linear-gradient(135deg, #0051FF 0%, #002D9C 100%);
  
  /* Accent Colors */
  --accent-amber: #F59E0B;
  --accent-amber-light: #FEF3C7;
  --accent-cyan: #06B6D4;
  --accent-green: #10B981;
  --accent-green-light: #ECFDF5;
  --accent-red: #EF4444;

  /* Neutral Slate Palette (Industrial Clean) */
  --slate-950: #020617;
  --slate-900: #0F172A;
  --slate-800: #1E293B;
  --slate-700: #334155;
  --slate-600: #475569;
  --slate-500: #64748B;
  --slate-400: #94A3B8;
  --slate-300: #CBD5E1;
  --slate-200: #E2E8F0;
  --slate-100: #F1F5F9;
  --slate-50: #F8FAFC;
  --white: #FFFFFF;

  /* Semantic Mappings */
  --bg-body: #FFFFFF;
  --bg-subtle: #F8FAFC;
  --bg-card: #FFFFFF;
  --bg-dark: #0F172A;
  --bg-darker: #020617;
  --border-color: #E2E8F0;
  --border-dark: #1E293B;
  --text-main: #0F172A;
  --text-muted: #64748B;
  --text-light: #94A3B8;
  --text-inverse: #FFFFFF;

  /* Typography */
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-heading: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Spacing */
  --container-max: 1240px;
  --section-padding-y: clamp(4rem, 8vw, 6.5rem);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(15, 23, 42, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.08), 0 2px 4px -2px rgba(15, 23, 42, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.08), 0 4px 6px -4px rgba(15, 23, 42, 0.04);
  --shadow-xl: 0 20px 25px -5px rgba(15, 23, 42, 0.1), 0 8px 10px -6px rgba(15, 23, 42, 0.06);
  --shadow-glow: 0 0 25px -5px rgba(0, 81, 255, 0.35);

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* --------------------------------------------------------------------------
   2. RESET & BASE
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text-main);
  background-color: var(--bg-body);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--primary-hover);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.25;
  color: var(--text-main);
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.25rem, 4.5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 3.2vw, 2.5rem); }
h3 { font-size: clamp(1.35rem, 2.4vw, 1.75rem); }
h4 { font-size: clamp(1.15rem, 1.8vw, 1.35rem); }
h5 { font-size: 1.05rem; }
h6 { font-size: 0.9rem; text-transform: uppercase; letter-spacing: 0.05em; }

p {
  margin-bottom: 1rem;
  color: var(--slate-700);
}

p:last-child {
  margin-bottom: 0;
}

ul, ol {
  list-style: none;
}

button, input, textarea, select {
  font: inherit;
  color: inherit;
}

/* Accessibility skip link */
.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  background: var(--primary);
  color: var(--white);
  padding: 0.75rem 1.25rem;
  z-index: 9999;
  border-radius: var(--radius-sm);
  font-weight: 600;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 1rem;
}

/* --------------------------------------------------------------------------
   3. LAYOUT UTILITIES
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: clamp(1rem, 4vw, 2rem);
  padding-right: clamp(1rem, 4vw, 2rem);
}

.section {
  padding-top: var(--section-padding-y);
  padding-bottom: var(--section-padding-y);
  position: relative;
}

.section-subtle {
  background-color: var(--bg-subtle);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.section-dark {
  background-color: var(--bg-dark);
  color: var(--text-inverse);
  border-top: 1px solid var(--border-dark);
  border-bottom: 1px solid var(--border-dark);
}

.section-dark h1,
.section-dark h2,
.section-dark h3,
.section-dark h4 {
  color: var(--text-inverse);
}

.section-dark p {
  color: var(--slate-300);
}

/* Section Header Component */
.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto clamp(2.5rem, 5vw, 4rem);
}

.section-header.text-start {
  text-align: left;
  margin-left: 0;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.85rem;
  background-color: var(--primary-light);
  color: var(--primary);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.075em;
  border-radius: var(--radius-full);
  margin-bottom: 1rem;
  border: 1px solid rgba(0, 81, 255, 0.15);
}

.section-dark .section-tag {
  background-color: rgba(0, 81, 255, 0.2);
  color: #60A5FA;
  border-color: rgba(96, 165, 250, 0.3);
}

.section-title {
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: clamp(1rem, 1.3vw, 1.2rem);
  color: var(--slate-600);
  line-height: 1.6;
}

.grid {
  display: grid;
  gap: 1.5rem;
}

.grid-2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }

@media (min-width: 992px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

/* --------------------------------------------------------------------------
   4. BUTTONS & BADGES
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.85rem 1.65rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  line-height: 1.2;
  white-space: nowrap;
}

.btn-primary {
  background: var(--primary);
  color: var(--white);
  box-shadow: 0 4px 14px 0 rgba(0, 81, 255, 0.35);
}

.btn-primary:hover {
  background: var(--primary-hover);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px 0 rgba(0, 81, 255, 0.45);
}

.btn-accent {
  background: var(--accent-amber);
  color: var(--slate-950);
  font-weight: 700;
  box-shadow: 0 4px 14px 0 rgba(245, 158, 11, 0.35);
}

.btn-accent:hover {
  background: #D97706;
  color: var(--slate-950);
  transform: translateY(-2px);
}

.btn-secondary {
  background: var(--white);
  color: var(--slate-800);
  border-color: var(--slate-300);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  background: var(--slate-100);
  color: var(--slate-900);
  border-color: var(--slate-400);
  transform: translateY(-2px);
}

.btn-dark {
  background: var(--slate-800);
  color: var(--white);
  border: 1px solid var(--slate-700);
}

.btn-dark:hover {
  background: var(--slate-700);
  color: var(--white);
}

.btn-outline-white {
  background: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.3);
}

.btn-outline-white:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--white);
  border-color: var(--white);
}

.btn-sm {
  padding: 0.55rem 1rem;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 1.05rem 2rem;
  font-size: 1.05rem;
  border-radius: var(--radius-lg);
}

.btn svg {
  width: 1.15em;
  height: 1.15em;
  transition: transform var(--transition-fast);
}

.btn:hover svg.arrow-right {
  transform: translateX(4px);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.3rem 0.65rem;
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.badge-blue { background: var(--primary-light); color: var(--primary); }
.badge-amber { background: var(--accent-amber-light); color: #B45309; }
.badge-green { background: var(--accent-green-light); color: var(--accent-green); }

/* --------------------------------------------------------------------------
   5. HEADER & NAVIGATION
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  box-shadow: 0 1px 3px 0 rgba(15, 23, 42, 0.05);
  transition: all var(--transition-base);
}

.top-bar {
  background-color: var(--slate-900);
  color: var(--slate-300);
  font-size: 0.82rem;
  padding: 0.45rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.top-bar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.top-bar-info {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.top-bar-item {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--slate-300);
}

.top-bar-item a {
  color: var(--slate-200);
}

.top-bar-item a:hover {
  color: var(--white);
  text-decoration: underline;
}

.top-bar-item svg {
  width: 14px;
  height: 14px;
  color: var(--accent-amber);
}

.top-bar-emergency {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(245, 158, 11, 0.15);
  color: var(--accent-amber);
  padding: 0.15rem 0.6rem;
  border-radius: var(--radius-full);
  font-weight: 600;
}

.main-nav {
  padding: 0.85rem 0;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: 0.75rem 0;
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  transition: opacity var(--transition-fast);
  flex-shrink: 0;
  margin-right: 3rem;
}

.brand-logo:hover {
  opacity: 0.9;
}

.brand-logo picture {
  display: flex;
  align-items: center;
}

.brand-logo img {
  height: 48px;
  width: auto;
  max-width: 190px;
  object-fit: contain;
  display: block;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--slate-700);
  padding: 0.5rem 0;
  position: relative;
  transition: color var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--primary);
  border-radius: 2px;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Mobile Hamburger */
.nav-toggle {
  display: none;
  background: transparent;
  border: none;
  padding: 0.5rem;
  cursor: pointer;
  color: var(--slate-800);
}

.nav-toggle svg {
  width: 26px;
  height: 26px;
}

@media (max-width: 991px) {
  .brand-logo {
    margin-right: auto;
  }

  .brand-logo img {
    height: 42px;
  }

  .top-bar-info .hide-mobile {
    display: none;
  }
  
  .nav-toggle {
    display: block;
  }

  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: min(85vw, 360px);
    height: 100vh;
    background-color: var(--white);
    flex-direction: column;
    align-items: flex-start;
    padding: 5.5rem 2rem 2rem;
    box-shadow: var(--shadow-xl);
    transition: right var(--transition-base);
    z-index: 1001;
    gap: 1.25rem;
    overflow-y: auto;
  }

  .nav-menu.open {
    right: 0;
  }

  .nav-link {
    font-size: 1.15rem;
    width: 100%;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-color);
  }

  .nav-actions {
    display: none;
  }

  .nav-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background-color: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(2px);
    z-index: 1000;
  }

  .nav-backdrop.active {
    display: block;
  }
}

/* --------------------------------------------------------------------------
   6. HERO SECTION
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  background: linear-gradient(180deg, #F8FAFC 0%, #EEF4FF 100%);
  padding-top: clamp(3.5rem, 6vw, 5.5rem);
  padding-bottom: clamp(4rem, 7vw, 6rem);
  overflow: hidden;
  border-bottom: 1px solid var(--border-color);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}

@media (min-width: 992px) {
  .hero-grid {
    grid-template-columns: 1.15fr 0.85fr;
  }
}

.hero-badge-wrap {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.9rem;
  background: var(--white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-sm);
  margin-bottom: 1.25rem;
}

.hero-badge-wrap span {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--slate-700);
}

.hero-badge-wrap .dot {
  width: 8px;
  height: 8px;
  background-color: var(--accent-green);
  border-radius: 50%;
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.2);
}

.hero-title {
  margin-bottom: 1.25rem;
  color: var(--slate-950);
}

.hero-title .text-gradient {
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-lead {
  font-size: clamp(1.05rem, 1.4vw, 1.2rem);
  color: var(--slate-700);
  line-height: 1.7;
  margin-bottom: 2rem;
  max-width: 620px;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.hero-features-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-color);
}

.hero-feature-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--slate-800);
}

.hero-feature-item svg {
  width: 18px;
  height: 18px;
  color: var(--primary);
  flex-shrink: 0;
}

/* Hero Media Box / Card */
.hero-media-card {
  position: relative;
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 1.25rem;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--border-color);
}

.hero-media-img {
  width: 100%;
  height: 380px;
  object-fit: cover;
  border-radius: var(--radius-lg);
}

.hero-floating-badge {
  position: absolute;
  bottom: 2rem;
  left: -1rem;
  background: var(--slate-900);
  color: var(--white);
  padding: 1rem 1.25rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 0.85rem;
  border: 1px solid var(--slate-700);
  animation: float 4s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.floating-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  background: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
}

.floating-text .label {
  font-size: 0.75rem;
  color: var(--slate-400);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.floating-text .value {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--white);
}

/* --------------------------------------------------------------------------
   7. STATS BAR / TRUST STRIP
   -------------------------------------------------------------------------- */
.stats-strip {
  background: var(--slate-900);
  color: var(--white);
  padding: 2.5rem 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .stats-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.stat-card {
  text-align: center;
  padding: 1rem;
}

.stat-number {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 800;
  color: var(--accent-amber);
  line-height: 1.1;
  margin-bottom: 0.35rem;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--slate-300);
  font-weight: 500;
}

/* --------------------------------------------------------------------------
   8. SERVICES CARDS & GRIDS
   -------------------------------------------------------------------------- */
.service-card {
  background: var(--white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  height: 100%;
  transition: all var(--transition-base);
  position: relative;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: rgba(0, 81, 255, 0.4);
}

.service-icon-box {
  width: 58px;
  height: 58px;
  border-radius: var(--radius-md);
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  transition: all var(--transition-base);
}

.service-card:hover .service-icon-box {
  background: var(--primary);
  color: var(--white);
}

.service-icon-box svg {
  width: 28px;
  height: 28px;
}

.service-card-title {
  font-size: 1.35rem;
  margin-bottom: 0.75rem;
  color: var(--slate-900);
}

.service-card-desc {
  font-size: 0.95rem;
  color: var(--slate-600);
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.service-card-list {
  margin-bottom: 1.5rem;
  border-top: 1px solid var(--slate-100);
  padding-top: 1rem;
}

.service-card-list li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.88rem;
  color: var(--slate-700);
  margin-bottom: 0.45rem;
}

.service-card-list li svg {
  width: 14px;
  height: 14px;
  color: var(--accent-green);
  flex-shrink: 0;
}

.service-card-footer {
  margin-top: auto;
}

.service-card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 700;
  font-size: 0.92rem;
  color: var(--primary);
}

.service-card-link:hover {
  color: var(--primary-hover);
  text-decoration: underline;
}

/* --------------------------------------------------------------------------
   9. BRAND PARTNERS
   -------------------------------------------------------------------------- */
.brands-section {
  padding: 3.5rem 0;
  background: var(--white);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.brands-title {
  text-align: center;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--slate-500);
  font-weight: 700;
  margin-bottom: 2rem;
}

.brands-grid {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: clamp(1.5rem, 4vw, 3.5rem);
}

.brand-item {
  filter: grayscale(100%);
  opacity: 0.7;
  transition: all var(--transition-base);
  max-width: 140px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.brand-item:hover {
  filter: grayscale(0%);
  opacity: 1;
  transform: scale(1.05);
}

.brand-item img {
  max-height: 42px;
  max-width: 130px;
  width: auto;
  height: auto;
  object-fit: contain;
}

/* --------------------------------------------------------------------------
   10. WHY CHOOSE US / ADVANTAGES
   -------------------------------------------------------------------------- */
.feature-box {
  background: var(--white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition: all var(--transition-base);
}

.feature-box:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
}

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}

.feature-icon svg {
  width: 24px;
  height: 24px;
}

.feature-box h4 {
  margin-bottom: 0.5rem;
}

.feature-box p {
  font-size: 0.92rem;
  color: var(--slate-600);
}

/* --------------------------------------------------------------------------
   11. DETAILED SERVICE SECTION (FOR SERVICES PAGE)
   -------------------------------------------------------------------------- */
.service-detail-block {
  padding: clamp(3.5rem, 6vw, 5.5rem) 0;
  border-bottom: 1px solid var(--border-color);
}

.service-detail-block:last-child {
  border-bottom: none;
}

.service-detail-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}

@media (min-width: 992px) {
  .service-detail-grid {
    grid-template-columns: 1fr 1fr;
  }
  
  .service-detail-grid.reversed {
    grid-template-columns: 1fr 1fr;
  }
  
  .service-detail-grid.reversed .service-detail-media {
    order: -1;
  }
}

.service-detail-content h2 {
  margin-bottom: 1rem;
}

.service-detail-lead {
  font-size: 1.1rem;
  color: var(--slate-700);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.tech-spec-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
  margin: 1.75rem 0;
}

.tech-spec-card {
  background: var(--bg-subtle);
  border: 1px solid var(--border-color);
  padding: 1.25rem;
  border-radius: var(--radius-md);
}

.tech-spec-card h5 {
  font-size: 1rem;
  margin-bottom: 0.4rem;
  color: var(--slate-900);
}

.tech-spec-card p {
  font-size: 0.88rem;
  color: var(--slate-600);
  margin-bottom: 0;
}

.service-detail-media {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-color);
}

.service-detail-media img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.service-detail-media:hover img {
  transform: scale(1.03);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.gallery-thumb {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-color);
  background: var(--white);
  padding: 0.5rem;
  text-align: center;
}

.gallery-thumb img {
  width: 100%;
  height: 120px;
  object-fit: contain;
  margin-bottom: 0.35rem;
}

.gallery-thumb span {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--slate-700);
}

/* --------------------------------------------------------------------------
   12. CONTACT / QUOTE FORM & CARDS
   -------------------------------------------------------------------------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}

@media (min-width: 992px) {
  .contact-grid {
    grid-template-columns: 1.2fr 0.8fr;
  }
}

.form-card {
  background: var(--white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: clamp(1.75rem, 4vw, 2.75rem);
  box-shadow: var(--shadow-lg);
}

.form-title {
  margin-bottom: 0.5rem;
}

.form-desc {
  font-size: 0.95rem;
  color: var(--slate-600);
  margin-bottom: 2rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

@media (min-width: 640px) {
  .form-row {
    grid-template-columns: 1fr 1fr;
  }
}

.form-label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--slate-800);
  margin-bottom: 0.4rem;
}

.form-control {
  width: 100%;
  padding: 0.85rem 1rem;
  font-size: 0.95rem;
  background-color: var(--white);
  border: 1px solid var(--slate-300);
  border-radius: var(--radius-md);
  color: var(--slate-900);
  transition: all var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 81, 255, 0.15);
}

.form-control::placeholder {
  color: var(--slate-400);
}

textarea.form-control {
  min-height: 120px;
  resize: vertical;
}

.form-check {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  margin-bottom: 1.5rem;
}

.form-check input[type="checkbox"] {
  margin-top: 0.25rem;
  accent-color: var(--primary);
  width: 18px;
  height: 18px;
}

.form-check label {
  font-size: 0.85rem;
  color: var(--slate-600);
  line-height: 1.4;
}

.form-alert {
  padding: 1rem;
  border-radius: var(--radius-md);
  margin-bottom: 1.5rem;
  display: none;
  font-size: 0.92rem;
  font-weight: 500;
}

.form-alert.success {
  background: var(--accent-green-light);
  color: #065F46;
  border: 1px solid #A7F3D0;
  display: block;
}

.form-alert.error {
  background: #FEF2F2;
  color: #991B1B;
  border: 1px solid #FECACA;
  display: block;
}

.contact-info-card {
  background: var(--slate-900);
  color: var(--white);
  border-radius: var(--radius-xl);
  padding: clamp(1.75rem, 4vw, 2.5rem);
  box-shadow: var(--shadow-xl);
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.contact-info-card h3 {
  color: var(--white);
  margin-bottom: 0.5rem;
}

.contact-info-card p {
  color: var(--slate-300);
}

.contact-detail-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-detail-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.contact-detail-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: rgba(0, 81, 255, 0.2);
  color: #60A5FA;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-detail-icon svg {
  width: 20px;
  height: 20px;
}

.contact-detail-body h5 {
  color: var(--slate-200);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.25rem;
}

.contact-detail-body p,
.contact-detail-body a {
  color: var(--white);
  font-weight: 600;
  font-size: 1rem;
  margin-bottom: 0;
}

.contact-detail-body a:hover {
  color: var(--accent-amber);
}

.map-container {
  width: 100%;
  height: 280px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-color);
  margin-top: 1.5rem;
}

.map-container iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

.map-placeholder {
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  text-align: center;
  padding: 1.5rem;
  background: linear-gradient(135deg, var(--primary-light) 0%, var(--slate-100) 100%);
}

.map-notice {
  max-width: 520px;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.map-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
}

/* Campo anti-spam (honeypot): fuori schermo, non visibile agli utenti */
.hp-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

/* Pagine testuali (privacy, 404) */
.legal-content {
  max-width: 820px;
  margin: 0 auto;
}

.legal-content h2 {
  font-size: 1.35rem;
  margin-top: 2rem;
  margin-bottom: 0.75rem;
}

.legal-content p,
.legal-content li {
  color: var(--slate-700);
}

.legal-content ul {
  padding-left: 1.2rem;
  margin-bottom: 1rem;
  list-style: disc;
}

.legal-content li {
  margin-bottom: 6px;
}

.legal-content a {
  color: var(--primary);
  text-decoration: underline;
}

/* --------------------------------------------------------------------------
   13. CALL TO ACTION BANNER (CTA)
   -------------------------------------------------------------------------- */
.cta-banner {
  background: var(--primary-gradient);
  color: var(--white);
  border-radius: var(--radius-xl);
  padding: clamp(2.5rem, 6vw, 4.5rem) clamp(1.5rem, 4vw, 3.5rem);
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(255,255,255,0.15) 0%, rgba(255,255,255,0) 70%);
  border-radius: 50%;
}

.cta-banner-content {
  position: relative;
  z-index: 1;
  max-width: 780px;
  margin: 0 auto;
}

.cta-banner h2 {
  color: var(--white);
  margin-bottom: 1rem;
}

.cta-banner p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.15rem;
  margin-bottom: 2rem;
}

.cta-buttons {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* --------------------------------------------------------------------------
   14. FOOTER
   -------------------------------------------------------------------------- */
.site-footer {
  background-color: var(--bg-darker);
  color: var(--slate-400);
  font-size: 0.92rem;
  border-top: 1px solid var(--slate-800);
}

.footer-top {
  padding: clamp(3.5rem, 6vw, 5rem) 0 3rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1.4fr 0.9fr 0.9fr 1.1fr;
  }
}

.footer-brand h3 {
  color: var(--white);
  font-size: 1.35rem;
  margin-bottom: 0.5rem;
}

.footer-brand p {
  color: var(--slate-400);
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

.footer-heading {
  color: var(--white);
  font-size: 1.05rem;
  margin-bottom: 1.25rem;
  position: relative;
  padding-bottom: 0.5rem;
}

.footer-heading::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 28px;
  height: 2px;
  background-color: var(--primary);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.footer-links a {
  color: var(--slate-400);
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.footer-links a:hover {
  color: var(--white);
  transform: translateX(3px);
}

.footer-contact-list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  color: var(--slate-300);
}

.footer-contact-item svg {
  width: 16px;
  height: 16px;
  color: var(--accent-amber);
  margin-top: 0.2rem;
  flex-shrink: 0;
}

.footer-contact-item a {
  color: var(--slate-300);
}

.footer-contact-item a:hover {
  color: var(--white);
}

.footer-bottom {
  padding: 1.5rem 0;
  border-top: 1px solid var(--slate-800);
  font-size: 0.82rem;
  color: var(--slate-500);
}

.footer-bottom-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

/* --------------------------------------------------------------------------
   15. BACK TO TOP & QUICK MOBILE BAR
   -------------------------------------------------------------------------- */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 46px;
  height: 46px;
  background: var(--slate-900);
  color: var(--white);
  border: 1px solid var(--slate-700);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
  z-index: 900;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background: var(--primary);
  transform: translateY(-3px);
}

.back-to-top svg {
  width: 20px;
  height: 20px;
}

/* Mobile Quick Action Bar */
.mobile-action-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: var(--white);
  border-top: 1px solid var(--border-color);
  box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.08);
  padding: 0.5rem 1rem;
  z-index: 999;
}

@media (max-width: 767px) {
  .brand-logo img {
    height: 38px;
  }

  .hero-floating-badge {
    left: 0.75rem;
    bottom: 0.75rem;
    padding: 0.65rem 0.9rem;
  }

  .hero-media-img {
    height: 280px;
  }

  .mobile-action-bar {
    display: flex;
    gap: 0.5rem;
  }
  
  body {
    padding-bottom: 60px;
  }
  
  .back-to-top {
    bottom: 4.5rem;
    right: 1rem;
  }
}

.mobile-action-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.65rem 0.5rem;
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  font-weight: 700;
  text-align: center;
  text-decoration: none;
}

.mobile-action-btn.call {
  background: var(--slate-900);
  color: var(--white);
}

.mobile-action-btn.quote {
  background: var(--primary);
  color: var(--white);
}

/* --------------------------------------------------------------------------
   16. BREADCRUMBS & INNER PAGE HEADERS
   -------------------------------------------------------------------------- */
.page-hero {
  background: linear-gradient(180deg, #F1F5F9 0%, #FFFFFF 100%);
  padding: clamp(2.5rem, 5vw, 4rem) 0 clamp(2rem, 4vw, 3rem);
  border-bottom: 1px solid var(--border-color);
}

.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--slate-500);
  margin-bottom: 0.75rem;
}

.breadcrumbs a {
  color: var(--slate-600);
}

.breadcrumbs a:hover {
  color: var(--primary);
}

.breadcrumbs span.current {
  color: var(--primary);
  font-weight: 600;
}

/* --------------------------------------------------------------------------
   17. PRINT STYLES
   -------------------------------------------------------------------------- */
@media print {
  .site-header,
  .top-bar,
  .back-to-top,
  .mobile-action-bar,
  .cta-banner,
  .form-card,
  .nav-menu {
    display: none !important;
  }
  
  body {
    color: #000;
    background: #fff;
    font-size: 12pt;
  }
  
  a {
    text-decoration: underline;
    color: #000;
  }
}

/* Rispetta la preferenza del dispositivo per ridurre il movimento. */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Mantiene visibili le destinazioni dei link sotto la barra dei servizi. */
.service-detail-block, #quadri { scroll-margin-top: 155px; }

/* Fotovoltaico: stessa icona locale nella home e nella pagina servizi. */
.service-icon-box img {
  width: 32px;
  height: 32px;
}

.brand-text {
  text-align: center;
  text-decoration: none;
  color: #c9202f;
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.brand-text small {
  display: block;
  font-size: 0.7rem;
  letter-spacing: 0.03em;
}

.photovoltaic-visual {
  padding: clamp(1.5rem, 4vw, 3rem);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, var(--bg-subtle), var(--white));
  box-shadow: var(--shadow-lg);
  text-align: center;
}

.photovoltaic-visual img {
  display: block;
  width: 160px;
  height: 160px;
  max-width: 100%;
  margin: 0 auto 1.5rem;
}

.photovoltaic-visual h3 { margin-bottom: 0.75rem; }
.photovoltaic-visual p { color: var(--slate-600); }

.service-card:hover .service-icon-box img { filter: brightness(0) invert(1); }