/* ==========================================================================
   OfficineSolari.it - Light & Clean Professional Design System
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=Zen+Dots&display=swap');

/* Definizione Font Locale Zen Dots da /fonts/ZenDots-Regular.ttf */
@font-face {
  font-family: 'Zen Dots';
  src: url('../fonts/ZenDots-Regular.ttf') format('truetype'),
       url('../../fonts/ZenDots-Regular.ttf') format('truetype'),
       url('/fonts/ZenDots-Regular.ttf') format('truetype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

:root {
  /* Color Palette - Clean, Light & Solar */
  --bg-body: #F8FAFC;
  --bg-surface: #FFFFFF;
  --bg-surface-elevated: #FFFFFF;
  --bg-subtle: #F1F5F9;
  --bg-accent-light: #FFFBEB;
  --bg-solar-soft: #FEF3C7;
  --bg-solar-gradient: linear-gradient(135deg, #FFFBEB 0%, #FEF3C7 50%, #F0FDF4 100%);
  --bg-hero: linear-gradient(180deg, #FFFFFF 0%, #F8FAFC 100%);

  /* Primary Solar Colors */
  --solar-amber: #F59E0B;
  --solar-amber-dark: #D97706;
  --solar-amber-light: #FDE68A;
  --solar-orange: #EA580C;
  --solar-yellow: #EAB308;
  --solar-gradient: linear-gradient(135deg, #F59E0B 0%, #EA580C 100%);
  --solar-gradient-hover: linear-gradient(135deg, #D97706 0%, #C2410C 100%);

  /* Tech Navy / Slate Accents */
  --tech-navy: #0F172A;
  --tech-blue: #1E40AF;
  --tech-blue-light: #3B82F6;
  --tech-cyan: #0284C7;
  --tech-cyan-soft: #E0F2FE;

  /* Eco Green Accents */
  --eco-green: #10B981;
  --eco-green-dark: #059669;
  --eco-green-soft: #DCFCE7;

  /* Typography Colors */
  --text-main: #0F172A;
  --text-heading: #090D16;
  --text-muted: #64748B;
  --text-light: #94A3B8;
  --text-inverse: #FFFFFF;

  /* Borders & Shadows */
  --border-light: #E2E8F0;
  --border-medium: #CBD5E1;
  --border-focus: #F59E0B;
  
  --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 4px 6px -1px rgba(15, 23, 42, 0.05), 0 2px 4px -2px rgba(15, 23, 42, 0.05);
  --shadow-md: 0 10px 15px -3px rgba(15, 23, 42, 0.06), 0 4px 6px -4px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 20px 25px -5px rgba(15, 23, 42, 0.07), 0 8px 10px -6px rgba(15, 23, 42, 0.03);
  --shadow-xl: 0 25px 50px -12px rgba(15, 23, 42, 0.12);
  --shadow-solar: 0 10px 25px -5px rgba(245, 158, 11, 0.35);

  /* Dimensions & Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  /* Fonts */
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-logo: 'Zen Dots', 'Plus Jakarta Sans', sans-serif;

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-reveal: 0.75s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ==========================================================================
   SCROLL REVEAL ANIMATIONS (Desktop & Responsive)
   ========================================================================== */
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity var(--transition-reveal), transform var(--transition-reveal);
  will-change: opacity, transform;
}

.reveal-on-scroll.is-revealed {
  opacity: 1;
  transform: translateY(0);
}

.reveal-image {
  opacity: 0;
  transform: scale(0.96) translateY(24px);
  filter: blur(3px);
  transition: opacity 0.85s cubic-bezier(0.16, 1, 0.3, 1), transform 0.85s cubic-bezier(0.16, 1, 0.3, 1), filter 0.85s ease;
  will-change: opacity, transform, filter;
}

.reveal-image.is-revealed {
  opacity: 1;
  transform: scale(1) translateY(0);
  filter: blur(0);
}

.reveal-stagger:nth-child(1) { transition-delay: 0.05s; }
.reveal-stagger:nth-child(2) { transition-delay: 0.15s; }
.reveal-stagger:nth-child(3) { transition-delay: 0.25s; }
.reveal-stagger:nth-child(4) { transition-delay: 0.35s; }

@media (prefers-reduced-motion: reduce) {
  .reveal-on-scroll,
  .reveal-image {
    opacity: 1 !important;
    transform: none !important;
    filter: none !important;
    transition: none !important;
  }
}

/* Base Reset & Core Styles */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-body);
  color: var(--text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

/* Container */
.container {
  width: 100%;
  max-width: 1240px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

@media (min-width: 640px) {
  .container {
    padding-left: 2rem;
    padding-right: 2rem;
  }
}

/* Typography Helpers */
.text-solar {
  background: var(--solar-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.text-navy {
  color: var(--tech-navy);
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.9rem;
  background-color: var(--bg-solar-soft);
  color: var(--solar-amber-dark);
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-full);
  margin-bottom: 0.875rem;
  border: 1px solid rgba(245, 158, 11, 0.2);
}

.section-tag i {
  color: var(--solar-orange);
}

.section-heading-wrapper {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 3.5rem auto;
}

.section-title {
  font-size: 2.125rem;
  font-weight: 800;
  color: var(--text-heading);
  line-height: 1.2;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

@media (min-width: 768px) {
  .section-title {
    font-size: 2.625rem;
  }
}

.section-subtitle {
  font-size: 1.0625rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Top Bar Notice */
.top-info-bar {
  background-color: var(--tech-navy);
  color: #E2E8F0;
  font-size: 0.8125rem;
  padding: 0.45rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.top-info-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.top-info-items {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.top-info-item {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.top-info-item svg {
  color: var(--solar-amber);
}

.top-badge-incentivi {
  background: rgba(245, 158, 11, 0.2);
  color: #FDE68A;
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.75rem;
}

/* Header & Navigation */
.header-main {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-light);
  transition: all var(--transition-normal);
}

.header-main.scrolled {
  box-shadow: var(--shadow-sm);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

/* ==========================================================================
   LOGO UFFICIALE: OfficineSolari.it (Font Zen Dots - Colore Rosso/Arancione)
   ========================================================================== */
.brand-logo {
  display: inline-flex;
  align-items: baseline;
  text-decoration: none;
  font-family: var(--font-logo);
  font-size: 1.55rem;
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.brand-logo:hover {
  transform: translateY(-1px);
  opacity: 0.92;
}

.brand-text-officine {
  color: #DC2626; /* Rosso energico */
  transition: color var(--transition-fast);
}

.brand-text-solari {
  color: #EA580C; /* Arancione solare primario */
  transition: color var(--transition-fast);
}

.brand-text-domain {
  color: #F97316; /* Arancione vivo per .it */
  font-size: 0.85em;
  transition: color var(--transition-fast);
}

@media (max-width: 480px) {
  .brand-logo {
    font-size: 1.3rem;
  }
}

/* Nav Menu */
.desktop-nav {
  display: none;
}

@media (min-width: 992px) {
  .desktop-nav {
    display: flex;
    align-items: center;
    gap: 1.75rem;
  }
}

.nav-link {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-main);
  padding: 0.5rem 0.25rem;
  position: relative;
  transition: color var(--transition-fast);
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--solar-gradient);
  transition: width var(--transition-fast);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

/* CTA Header Buttons */
.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: var(--solar-gradient);
  color: #FFFFFF;
  font-weight: 700;
  font-size: 0.9375rem;
  padding: 0.75rem 1.4rem;
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  box-shadow: var(--shadow-solar);
  transition: all var(--transition-normal);
  text-align: center;
}

.btn-primary:hover {
  background: var(--solar-gradient-hover);
  transform: translateY(-2px);
  box-shadow: 0 12px 25px -4px rgba(245, 158, 11, 0.45);
  color: #FFFFFF;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background-color: var(--bg-surface);
  color: var(--tech-navy);
  font-weight: 700;
  font-size: 0.9375rem;
  padding: 0.75rem 1.4rem;
  border-radius: var(--radius-full);
  border: 1.5px solid var(--border-medium);
  cursor: pointer;
  transition: all var(--transition-normal);
}

.btn-secondary:hover {
  background-color: var(--bg-subtle);
  border-color: var(--solar-amber);
  color: var(--solar-orange);
  transform: translateY(-2px);
}

/* Mobile Toggle Hamburger */
.mobile-nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: var(--bg-subtle);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  cursor: pointer;
  z-index: 1001;
}

@media (min-width: 992px) {
  .mobile-nav-toggle {
    display: none;
  }
}

.mobile-nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--tech-navy);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.mobile-nav-toggle.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.mobile-nav-toggle.open span:nth-child(2) {
  opacity: 0;
}

.mobile-nav-toggle.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Menu Drawer */
.mobile-drawer {
  position: fixed;
  top: 76px;
  left: 0;
  width: 100%;
  height: calc(100vh - 76px);
  background-color: #FFFFFF;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  padding: 1.5rem;
  transform: translateX(-100%);
  transition: transform var(--transition-smooth);
  z-index: 999;
  overflow-y: auto;
}

.mobile-drawer.active {
  transform: translateX(0);
}

.mobile-drawer-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.mobile-nav-link {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--tech-navy);
  padding: 0.875rem 1rem;
  border-radius: var(--radius-md);
  background-color: var(--bg-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.mobile-nav-link:hover,
.mobile-nav-link:active {
  background-color: var(--bg-solar-soft);
  color: var(--solar-orange);
}

.mobile-drawer-contact {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-light);
}

/* ==========================================================================
   HERO SECTION (Light, Solar & High-Impact)
   ========================================================================== */
.hero-section {
  position: relative;
  background: var(--bg-hero);
  padding: 3rem 0 5rem 0;
  overflow: hidden;
  border-bottom: 1px solid var(--border-light);
}

.hero-backdrop-sun {
  position: absolute;
  top: -10%;
  right: -5%;
  width: 550px;
  height: 550px;
  background: radial-gradient(circle, rgba(254, 240, 138, 0.45) 0%, rgba(254, 215, 170, 0.15) 50%, rgba(255, 255, 255, 0) 75%);
  pointer-events: none;
  z-index: 0;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: center;
  position: relative;
  z-index: 1;
}

@media (min-width: 992px) {
  .hero-grid {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 3.5rem;
  }
}

.hero-content {
  max-width: 650px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  background: #FFFFFF;
  border: 1px solid rgba(245, 158, 11, 0.3);
  box-shadow: var(--shadow-sm);
  border-radius: var(--radius-full);
  font-size: 0.84rem;
  font-weight: 700;
  color: var(--solar-amber-dark);
  margin-bottom: 1.25rem;
}

.hero-badge-dot {
  width: 8px;
  height: 8px;
  background-color: var(--eco-green);
  border-radius: 50%;
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.hero-title {
  font-size: 2.4rem;
  font-weight: 800;
  line-height: 1.15;
  color: var(--text-heading);
  letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
}

@media (min-width: 768px) {
  .hero-title {
    font-size: 3.25rem;
  }
}

.hero-description {
  font-size: 1.125rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 2rem;
}

.hero-ctas {
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
  margin-bottom: 2.5rem;
}

@media (min-width: 480px) {
  .hero-ctas {
    flex-direction: row;
    align-items: center;
  }
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--border-light);
}

@media (min-width: 640px) {
  .hero-metrics {
    grid-template-columns: repeat(3, 1fr);
  }
}

.metric-number {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--tech-navy);
  line-height: 1.1;
  display: flex;
  align-items: center;
  gap: 0.15rem;
}

.metric-number span {
  color: var(--solar-orange);
}

.metric-label {
  font-size: 0.8125rem;
  color: var(--text-muted);
  font-weight: 600;
  margin-top: 0.25rem;
}

/* Hero Visual Card */
.hero-visual-wrapper {
  position: relative;
}

.hero-image-card {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  background-color: #FFFFFF;
  border: 4px solid #FFFFFF;
}

.hero-image-card img {
  width: 100%;
  height: 100%;
  max-height: 520px;
  object-fit: cover;
  transition: transform var(--transition-smooth);
}

.hero-image-card:hover img {
  transform: scale(1.02);
}

.hero-floating-badge {
  position: absolute;
  bottom: 1.5rem;
  left: 1.5rem;
  right: 1.5rem;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: var(--radius-lg);
  padding: 1rem 1.25rem;
  border: 1px solid rgba(226, 232, 240, 0.9);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 1rem;
}

.badge-icon-wrap {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--eco-green-soft);
  color: var(--eco-green-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.badge-text-title {
  font-size: 0.875rem;
  font-weight: 800;
  color: var(--tech-navy);
}

.badge-text-desc {
  font-size: 0.775rem;
  color: var(--text-muted);
  line-height: 1.35;
}

/* ==========================================================================
   TRUST BAR / PARTNERS & CERTIFICATES
   ========================================================================== */
.trust-bar {
  background-color: #FFFFFF;
  border-bottom: 1px solid var(--border-light);
  padding: 1.75rem 0;
}

.trust-wrapper {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-around;
  gap: 1.5rem;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--text-main);
}

.trust-item svg {
  color: var(--solar-amber-dark);
  flex-shrink: 0;
}

/* ==========================================================================
   SERVICES SECTION (Primary Focus)
   ========================================================================== */
.services-section {
  padding: 5.5rem 0;
  background-color: var(--bg-body);
}

.services-list {
  display: flex;
  flex-direction: column;
  gap: 3.5rem;
}

.service-card {
  background-color: #FFFFFF;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: all var(--transition-normal);
}

.service-card:hover {
  box-shadow: var(--shadow-lg);
  border-color: rgba(245, 158, 11, 0.4);
  transform: translateY(-3px);
}

.service-card-grid {
  display: grid;
  grid-template-columns: 1fr;
  align-items: center;
}

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

  .service-card-grid.reverse-desktop .service-image-col {
    order: 2;
  }
  .service-card-grid.reverse-desktop .service-text-col {
    order: 1;
  }
}

.service-image-col {
  position: relative;
  height: 320px;
  overflow: hidden;
}

@media (min-width: 992px) {
  .service-image-col {
    height: 100%;
    min-height: 440px;
  }
}

.service-image-col img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-smooth);
}

.service-card:hover .service-image-col img {
  transform: scale(1.04);
}

.service-tag-overlay {
  position: absolute;
  top: 1.25rem;
  left: 1.25rem;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--solar-amber-dark);
  border: 1px solid rgba(245, 158, 11, 0.25);
  box-shadow: var(--shadow-xs);
}

.service-text-col {
  padding: 2.25rem 1.75rem;
}

@media (min-width: 768px) {
  .service-text-col {
    padding: 3rem 2.5rem;
  }
}

.service-category-tag {
  font-size: 0.8125rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--solar-orange);
  margin-bottom: 0.5rem;
  display: block;
}

.service-heading {
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--text-heading);
  line-height: 1.25;
  margin-bottom: 1rem;
}

.service-desc {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.service-features-list {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

@media (min-width: 640px) {
  .service-features-list {
    grid-template-columns: 1fr 1fr;
  }
}

.service-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-main);
  line-height: 1.35;
}

.service-feature-item svg {
  color: var(--eco-green);
  flex-shrink: 0;
  margin-top: 2px;
}

.service-bottom-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
}

/* ==========================================================================
   SOLAR PROMO BOX (50€/mese con 10 kWh di Accumulo)
   ========================================================================== */
.solar-promo-box {
  background: linear-gradient(145deg, #FFFBEB 0%, #FFFFFF 50%, #FEF3C7 100%);
  border: 1.5px solid rgba(245, 158, 11, 0.4);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin: 1.5rem 0 1.75rem 0;
  box-shadow: 0 8px 20px -4px rgba(245, 158, 11, 0.15);
  position: relative;
  overflow: hidden;
}

.solar-promo-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--solar-gradient);
}

.promo-top-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.promo-pill-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--solar-gradient);
  color: #FFFFFF;
  padding: 0.3rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  box-shadow: 0 2px 8px rgba(245, 158, 11, 0.35);
}

.promo-note-tag {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--eco-green-dark);
  background: var(--eco-green-soft);
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
}

.promo-claim-title {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--tech-navy);
  line-height: 1.25;
  margin-bottom: 0.65rem;
  letter-spacing: -0.02em;
}

@media (min-width: 640px) {
  .promo-claim-title {
    font-size: 1.5rem;
  }
}

.promo-claim-highlight {
  background: var(--solar-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
  font-weight: 900;
}

.promo-explanation {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 1.25rem;
}

/* Calculator Breakdown Grid */
.promo-calc-container {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(6px);
  border: 1px solid rgba(245, 158, 11, 0.2);
  border-radius: var(--radius-md);
  padding: 1rem;
  margin-bottom: 1.25rem;
}

@media (min-width: 640px) {
  .promo-calc-container {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.promo-calc-block {
  display: flex;
  flex-direction: column;
  flex: 1;
}

.promo-calc-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  margin-bottom: 0.15rem;
}

.promo-calc-value {
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--tech-navy);
}

.promo-calc-sub {
  font-size: 0.72rem;
  color: var(--text-light);
}

.promo-calc-symbol {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--bg-body);
  color: var(--solar-orange);
  font-weight: 900;
  font-size: 1rem;
  margin: 0 auto;
}

.promo-calc-block.result {
  background: var(--bg-solar-soft);
  border: 1px solid rgba(245, 158, 11, 0.35);
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.85rem;
}

.promo-calc-block.result .promo-calc-label {
  color: var(--solar-amber-dark);
}

.promo-calc-block.result .promo-calc-value {
  font-size: 1.35rem;
  color: var(--solar-orange);
  font-weight: 900;
}

.btn-promo-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: var(--solar-gradient);
  color: #FFFFFF;
  text-decoration: none;
  font-weight: 800;
  font-size: 0.9375rem;
  padding: 0.8rem 1.4rem;
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(245, 158, 11, 0.4);
  transition: all var(--transition-normal);
}

.btn-promo-action:hover {
  background: var(--solar-gradient-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(245, 158, 11, 0.5);
  color: #FFFFFF;
  text-decoration: none;
}

/* ==========================================================================
   EV PROMO BOX (Bonus Colonnine 80% Rimborso a Fondo Perduto)
   ========================================================================== */
.ev-promo-box {
  background: linear-gradient(145deg, #F0FDF4 0%, #FFFFFF 50%, #ECFDF5 100%);
  border: 1.5px solid rgba(16, 185, 129, 0.45);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin: 1.5rem 0 1.75rem 0;
  box-shadow: 0 8px 22px -4px rgba(16, 185, 129, 0.16);
  position: relative;
  overflow: hidden;
}

.ev-promo-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, #10B981 0%, #059669 100%);
}

.ev-pill-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: linear-gradient(135deg, #10B981 0%, #047857 100%);
  color: #FFFFFF;
  padding: 0.3rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  box-shadow: 0 2px 8px rgba(16, 185, 129, 0.35);
}

.ev-note-tag {
  font-size: 0.75rem;
  font-weight: 700;
  color: #0369A1;
  background: #E0F2FE;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
}

.ev-claim-highlight {
  background: linear-gradient(135deg, #10B981 0%, #0284C7 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
  font-weight: 900;
}

.ev-calc-container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.85rem;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(6px);
  border: 1px solid rgba(16, 185, 129, 0.25);
  border-radius: var(--radius-md);
  padding: 1rem;
  margin-bottom: 1.25rem;
}

@media (min-width: 640px) {
  .ev-calc-container {
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
  }
}

.ev-calc-card {
  display: flex;
  flex-direction: column;
  padding: 0.9rem 1.1rem;
  background: #F8FAFC;
  border: 1px solid #E2E8F0;
  border-radius: var(--radius-sm);
  transition: all var(--transition-normal);
}

.ev-calc-card.highlight {
  background: #F0FDF4;
  border-color: rgba(16, 185, 129, 0.5);
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.1);
}

.ev-calc-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.35rem;
}

.ev-calc-card-title {
  font-size: 0.8rem;
  text-transform: uppercase;
  font-weight: 800;
  color: var(--tech-navy);
  letter-spacing: 0.03em;
}

.ev-calc-badge-rate {
  font-size: 0.72rem;
  font-weight: 800;
  color: #047857;
  background: #D1FAE5;
  padding: 0.15rem 0.55rem;
  border-radius: var(--radius-full);
}

.ev-calc-amount {
  font-size: 1.55rem;
  font-weight: 900;
  color: #047857;
  line-height: 1.15;
  margin: 0.25rem 0;
}

.ev-calc-card-desc {
  font-size: 0.775rem;
  color: var(--text-muted);
  line-height: 1.35;
}

.btn-promo-ev {
  background: linear-gradient(135deg, #10B981 0%, #0284C7 100%);
  box-shadow: 0 4px 14px rgba(16, 185, 129, 0.35);
}

.btn-promo-ev:hover {
  background: linear-gradient(135deg, #059669 0%, #0369A1 100%);
  box-shadow: 0 8px 20px rgba(16, 185, 129, 0.5);
  transform: translateY(-2px);
  color: #FFFFFF;
}

/* EV Sub-cards Special Section inside EV */
.ev-subcards-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-top: 1.5rem;
  margin-bottom: 1.5rem;
}

@media (min-width: 640px) {
  .ev-subcards-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.ev-subcard {
  background-color: var(--bg-subtle);
  border-radius: var(--radius-md);
  padding: 1rem;
  border: 1px solid var(--border-light);
  transition: all var(--transition-fast);
}

.ev-subcard:hover {
  background-color: #FFFFFF;
  border-color: var(--solar-amber);
  box-shadow: var(--shadow-sm);
}

.ev-subcard-title {
  font-size: 0.9rem;
  font-weight: 800;
  color: var(--tech-navy);
  margin-bottom: 0.35rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.ev-subcard-title svg {
  color: var(--solar-orange);
}

.ev-subcard-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.4;
}

/* ==========================================================================
   WORK PROCESS / METODO IN 4 PASSI
   ========================================================================== */
.process-section {
  padding: 5.5rem 0;
  background-color: #FFFFFF;
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

.steps-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 640px) {
  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .steps-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.step-card {
  background: var(--bg-body);
  border-radius: var(--radius-lg);
  padding: 2rem 1.5rem;
  border: 1px solid var(--border-light);
  position: relative;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.step-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: var(--solar-amber);
}

.step-number {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  font-size: 2.25rem;
  font-weight: 900;
  color: rgba(203, 213, 225, 0.45);
  line-height: 1;
  font-family: var(--font-logo);
}

.step-icon-wrap {
  width: 52px;
  height: 52px;
  background: var(--bg-solar-soft);
  color: var(--solar-amber-dark);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.25rem;
}

.step-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--tech-navy);
  margin-bottom: 0.65rem;
}

.step-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.55;
}

/* ==========================================================================
   ADVANTAGES & INCENTIVES HIGHLIGHT
   ========================================================================== */
.benefits-section {
  padding: 5.5rem 0;
  background: var(--bg-solar-gradient);
}

.benefits-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .benefits-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.benefit-card {
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  padding: 2.25rem 1.75rem;
  border: 1px solid rgba(245, 158, 11, 0.15);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  height: 100%;
}

.benefit-icon-box {
  width: 54px;
  height: 54px;
  border-radius: var(--radius-md);
  background: var(--solar-gradient);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.25rem;
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3);
}

.benefit-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--tech-navy);
  margin-bottom: 0.75rem;
}

.benefit-desc {
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ==========================================================================
   FAQ SECTION (Interactive Accordion)
   ========================================================================== */
.faq-section {
  padding: 5.5rem 0;
  background-color: #FFFFFF;
}

.faq-container {
  max-width: 820px;
  margin: 0 auto;
}

.faq-item {
  background-color: var(--bg-body);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  margin-bottom: 1rem;
  overflow: hidden;
  transition: all var(--transition-fast);
}

.faq-item.active {
  border-color: var(--solar-amber);
  background-color: #FFFFFF;
  box-shadow: var(--shadow-sm);
}

.faq-question-btn {
  width: 100%;
  text-align: left;
  padding: 1.25rem 1.5rem;
  background: none;
  border: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  cursor: pointer;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--tech-navy);
}

.faq-icon-arrow {
  transition: transform var(--transition-normal);
  color: var(--solar-orange);
  flex-shrink: 0;
}

.faq-item.active .faq-icon-arrow {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  padding: 0 1.5rem;
  color: var(--text-muted);
  font-size: 0.9375rem;
  line-height: 1.65;
}

.faq-item.active .faq-answer {
  padding: 0 1.5rem 1.35rem 1.5rem;
}

/* ==========================================================================
   CONTACT & QUOTE REQUEST SECTION (PHP Powered Form)
   ========================================================================== */
.contact-section {
  padding: 5.5rem 0;
  background-color: var(--bg-body);
  position: relative;
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: start;
}

@media (min-width: 992px) {
  .contact-layout {
    grid-template-columns: 0.8fr 1.2fr;
    gap: 3.5rem;
  }
}

/* Contact Info Column */
.contact-info-card {
  background: #FFFFFF;
  border-radius: var(--radius-xl);
  padding: 2.5rem 2rem;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-md);
}

.contact-info-title {
  font-size: 1.65rem;
  font-weight: 800;
  color: var(--tech-navy);
  margin-bottom: 0.75rem;
}

.contact-info-subtitle {
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 2rem;
}

.contact-methods-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

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

.contact-method-icon {
  width: 46px;
  height: 46px;
  border-radius: var(--radius-md);
  background: var(--bg-solar-soft);
  color: var(--solar-amber-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.contact-method-label {
  font-size: 0.8125rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.2rem;
}

.contact-method-value {
  font-size: 1rem;
  font-weight: 700;
  color: var(--tech-navy);
  line-height: 1.35;
}

.contact-method-value a:hover {
  color: var(--solar-orange);
}

.whatsapp-fast-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  background-color: #25D366;
  color: #FFFFFF;
  font-weight: 700;
  font-size: 0.9375rem;
  padding: 0.875rem 1.25rem;
  border-radius: var(--radius-md);
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.3);
  transition: all var(--transition-fast);
}

.whatsapp-fast-btn:hover {
  background-color: #1EBE5D;
  transform: translateY(-2px);
  color: #FFFFFF;
}

/* Contact Form Column */
.contact-form-card {
  background: #FFFFFF;
  border-radius: var(--radius-xl);
  padding: 2.5rem 2rem;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-lg);
}

@media (min-width: 640px) {
  .contact-form-card {
    padding: 3rem 2.5rem;
  }
}

.form-header-badge {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 800;
  color: var(--solar-orange);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.35rem;
}

.form-header-title {
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--tech-navy);
  margin-bottom: 1.5rem;
}

/* Feedback Messages */
.alert-feedback {
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius-md);
  margin-bottom: 1.75rem;
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  font-size: 0.9375rem;
  line-height: 1.5;
}

.alert-success {
  background-color: var(--eco-green-soft);
  color: #065F46;
  border: 1px solid #A7F3D0;
}

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

.alert-feedback svg {
  flex-shrink: 0;
  margin-top: 2px;
}

/* Form Controls */
.form-grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-bottom: 1.25rem;
}

@media (min-width: 640px) {
  .form-grid-2 {
    grid-template-columns: 1fr 1fr;
  }
}

.form-group {
  display: flex;
  flex-direction: column;
  margin-bottom: 1.25rem;
}

.form-label {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--tech-navy);
  margin-bottom: 0.45rem;
}

.form-label .req {
  color: var(--solar-orange);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.8rem 1rem;
  background-color: var(--bg-body);
  border: 1.5px solid var(--border-medium);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-size: 0.9375rem;
  transition: all var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  background-color: #FFFFFF;
  border-color: var(--solar-amber);
  box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.18);
}

.form-textarea {
  min-height: 130px;
  resize: vertical;
}

.form-checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.45;
  cursor: pointer;
  margin-top: 0.5rem;
  margin-bottom: 1.75rem;
}

.form-checkbox-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  accent-color: var(--solar-amber);
  cursor: pointer;
}

.form-checkbox-label a {
  color: var(--solar-amber-dark);
  text-decoration: underline;
}

.btn-form-submit {
  width: 100%;
  font-size: 1.05rem;
  padding: 0.95rem 1.5rem;
  border-radius: var(--radius-md);
}

/* Honeypot Anti-Spam Hidden Field */
.honeypot-field {
  display: none !important;
  visibility: hidden !important;
  position: absolute;
  left: -9999px;
}

/* ==========================================================================
   FOOTER (Clean & Complete)
   ========================================================================== */
.footer-main {
  background-color: #FFFFFF;
  border-top: 1px solid var(--border-light);
  padding: 4.5rem 0 2rem 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  margin-bottom: 3.5rem;
}

@media (min-width: 640px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 3rem;
  }
}

.footer-brand-col p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.6;
  margin-top: 1rem;
  margin-bottom: 1.5rem;
  max-width: 340px;
}

.footer-col-title {
  font-size: 1rem;
  font-weight: 800;
  color: var(--tech-navy);
  margin-bottom: 1.25rem;
  letter-spacing: -0.01em;
}

.footer-links-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.footer-links-list a {
  font-size: 0.875rem;
  color: var(--text-muted);
  transition: color var(--transition-fast);
}

.footer-links-list a:hover {
  color: var(--solar-orange);
  padding-left: 3px;
}

.footer-contact-items {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.footer-contact-line {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.footer-contact-line svg {
  color: var(--solar-amber);
  flex-shrink: 0;
}

.footer-bottom-bar {
  padding-top: 2rem;
  border-top: 1px solid var(--border-light);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8125rem;
  color: var(--text-light);
}

@media (min-width: 768px) {
  .footer-bottom-bar {
    flex-direction: row;
  }
}