/* ============================================================
   NUOVO IMPIANTO FOTOVOLTAICO - Landing Page Styles
   Energia Solare Srl — Same design system as Revamping
   ============================================================ */

/* ---------- CSS Variables — Sustainable Energy Palette ---------- */
:root {
  --ni-green: #059669;
  --ni-green-dark: #047857;
  --ni-green-darker: #064E3B;
  --ni-green-light: #10B981;
  --ni-green-lighter: #34D399;
  --ni-green-50: #ECFDF5;
  --ni-green-100: #D1FAE5;
  --ni-orange: #F59E0B;
  --ni-orange-dark: #D97706;
  --ni-orange-light: #FBBF24;
  --ni-orange-50: #FFFBEB;
  --ni-white: #FFFFFF;
  --ni-gray-50: #F9FAFB;
  --ni-gray-100: #F3F4F6;
  --ni-gray-200: #E5E7EB;
  --ni-gray-300: #D1D5DB;
  --ni-gray-400: #9CA3AF;
  --ni-gray-600: #4B5563;
  --ni-gray-700: #374151;
  --ni-gray-800: #1F2937;
  --ni-gray-900: #111827;
  --ni-danger: #EF4444;
  --ni-shadow-xs: 0 1px 2px rgba(0,0,0,.05);
  --ni-shadow-sm: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
  --ni-shadow-md: 0 4px 6px rgba(0,0,0,.05), 0 2px 4px rgba(0,0,0,.04);
  --ni-shadow-lg: 0 10px 25px rgba(0,0,0,.08), 0 4px 10px rgba(0,0,0,.04);
  --ni-shadow-xl: 0 20px 50px rgba(0,0,0,.1), 0 8px 20px rgba(0,0,0,.06);
  --ni-shadow-glow: 0 0 30px rgba(5,150,105,.15);
  --ni-radius: 16px;
  --ni-radius-lg: 24px;
  --ni-radius-xl: 32px;
  --ni-radius-full: 9999px;
  --ni-font: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --ni-font-body: 'Open Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --ni-transition: .3s cubic-bezier(.4,0,.2,1);
}

/* ---------- Reset & Base ---------- */
#landing-nuovo-impianto {
  font-family: var(--ni-font-body);
  color: var(--ni-gray-900);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

#landing-nuovo-impianto *,
#landing-nuovo-impianto *::before,
#landing-nuovo-impianto *::after {
  box-sizing: border-box;
}

#landing-nuovo-impianto img {
  max-width: 100%;
  height: auto;
}

.ni-container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- Typography ---------- */
.ni-section__title {
  font-family: var(--ni-font);
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: .75rem;
  color: var(--ni-gray-900);
  line-height: 1.2;
  letter-spacing: -.02em;
}

.ni-section__subtitle {
  font-size: clamp(1rem, 2vw, 1.2rem);
  text-align: center;
  color: var(--ni-gray-600);
  margin-bottom: 3rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.ni-section__tag {
  display: inline-block;
  font-family: var(--ni-font);
  background: var(--ni-green-50);
  color: var(--ni-green);
  font-size: .8rem;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: var(--ni-radius-full);
  text-transform: uppercase;
  letter-spacing: .12em;
  margin-bottom: 1rem;
  border: 1px solid var(--ni-green-100);
}

.ni-section__tag--light {
  background: rgba(255,255,255,.15);
  color: var(--ni-white);
}

.ni-text-center { text-align: center; }
.ni-text-green { color: var(--ni-green) !important; }
.ni-text-white { color: var(--ni-white) !important; }

/* ---------- Buttons ---------- */
.ni-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  border: none;
  border-radius: 50px;
  font-family: var(--ni-font);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--ni-transition);
  letter-spacing: .02em;
}

.ni-btn--primary {
  background: linear-gradient(135deg, var(--ni-green), var(--ni-green-dark));
  color: var(--ni-white);
  box-shadow: 0 4px 14px rgba(5,150,105,.35);
}

.ni-btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(5,150,105,.45);
  color: var(--ni-white);
  text-decoration: none;
}

.ni-btn--secondary {
  background: var(--ni-white);
  color: var(--ni-green);
  border: 2px solid var(--ni-green);
}

.ni-btn--secondary:hover {
  background: var(--ni-green);
  color: var(--ni-white);
  transform: translateY(-2px);
}

.ni-btn--lg { padding: 18px 42px; font-size: 1.125rem; }
.ni-btn--sm { padding: 10px 24px; font-size: .875rem; }
.ni-btn--full { width: 100%; }

.ni-pulse {
  animation: niPulse 2s infinite;
}

@keyframes niPulse {
  0%   { box-shadow: 0 4px 14px rgba(5,150,105,.35); }
  50%  { box-shadow: 0 4px 25px rgba(5,150,105,.55), 0 0 0 8px rgba(5,150,105,0); }
  100% { box-shadow: 0 4px 14px rgba(5,150,105,.35); }
}

/* ---------- Badge ---------- */
.ni-badge {
  display: inline-block;
  padding: 8px 20px;
  border-radius: 50px;
  font-size: .85rem;
  font-weight: 700;
  letter-spacing: .03em;
  text-transform: uppercase;
}

.ni-badge--urgency {
  background: rgba(245,124,0,.15);
  color: var(--ni-orange-dark);
  border: 2px solid var(--ni-orange);
}

/* ---------- Stars ---------- */
.ni-stars {
  color: #FFC107;
  font-size: 1.2rem;
  letter-spacing: 2px;
}

/* ---------- Strikethrough price ---------- */
.ni-strikethrough {
  text-decoration: line-through;
  color: rgba(255,255,255,.5);
  font-size: .6em;
  font-weight: 400;
}

.ni-highlight {
  color: var(--ni-orange-light);
}

/* ---------- Section base ---------- */
.ni-section {
  padding: 80px 0;
}

/* ============================================================
   STICKY HEADER
   ============================================================ */
.ni-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 12px 0;
  background: transparent;
  transition: all var(--ni-transition);
  transform: translateY(0);
}

.ni-header--scrolled {
  background: rgba(255,255,255,.97);
  box-shadow: var(--ni-shadow-md);
  backdrop-filter: blur(10px);
}

.ni-header__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.ni-header__logo img {
  height: 36px;
  width: auto;
}

.ni-header__brand {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--ni-white);
  transition: color var(--ni-transition);
}

.ni-header--scrolled .ni-header__brand {
  color: var(--ni-green);
}

.ni-header__actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.ni-header__phone {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: .85rem;
  font-weight: 600;
  color: var(--ni-white);
  transition: color var(--ni-transition);
}

.ni-header--scrolled .ni-header__phone {
  color: var(--ni-gray-800);
}

.ni-header__phone svg {
  width: 18px;
  height: 18px;
}

/* ============================================================
   1. HERO SECTION
   ============================================================ */
.ni-hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 130px 0 100px;
  overflow: hidden;
}

/* Hero background */
.ni-hero__bg { position: absolute; inset: 0; z-index: 0; display: block; width: 100%; height: 100%; }
.ni-hero__bg-img { width: 100%; height: 100%; object-fit: cover; object-position: center 40%; display: block; }

.ni-hero__video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  display: block;
  z-index: 1;
}

.ni-hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    160deg,
    rgba(6, 78, 59, .88) 0%,
    rgba(4, 120, 87, .78) 40%,
    rgba(5, 150, 105, .65) 100%
  );
  z-index: 1;
}

/* Floating particles */
.ni-hero__particles { position: absolute; inset: 0; z-index: 1; pointer-events: none; overflow: hidden; }
.ni-particle { position: absolute; border-radius: 50%; background: rgba(251,191,36,.2); animation: niFloat linear infinite; }
.ni-particle--1 { width: 6px; height: 6px; left: 10%; top: 20%; animation-duration: 8s; }
.ni-particle--2 { width: 4px; height: 4px; left: 25%; top: 60%; animation-duration: 12s; animation-delay: 2s; }
.ni-particle--3 { width: 8px; height: 8px; left: 55%; top: 15%; animation-duration: 10s; animation-delay: 4s; }
.ni-particle--4 { width: 5px; height: 5px; left: 70%; top: 50%; animation-duration: 9s; animation-delay: 1s; }
.ni-particle--5 { width: 3px; height: 3px; left: 85%; top: 30%; animation-duration: 11s; animation-delay: 3s; }
@keyframes niFloat {
  0% { transform: translateY(0) scale(1); opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { transform: translateY(-100vh) scale(.5); opacity: 0; }
}

.ni-hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 120px;
  background: linear-gradient(to top, var(--ni-white), transparent);
  pointer-events: none;
  z-index: 2;
}

.ni-hero__content {
  text-align: center;
  position: relative;
  z-index: 2;
  max-width: 800px;
}

.ni-hero__badges {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 1.5rem;
}

.ni-hero__badges .ni-badge {
  background: rgba(255,255,255,.12);
  backdrop-filter: blur(10px);
  color: var(--ni-white);
  border: 1px solid rgba(255,255,255,.25);
  padding: 8px 18px;
  font-size: .8rem;
}

.ni-hero__badges .ni-badge svg {
  width: 18px;
  height: 18px;
  display: inline;
  vertical-align: -3px;
  margin-right: 4px;
}

.ni-hero__title {
  font-size: clamp(2rem, 5.5vw, 3.5rem);
  font-weight: 900;
  color: var(--ni-white);
  line-height: 1.15;
  margin-bottom: 1rem;
}

.ni-hero__title-accent {
  display: block;
  background: linear-gradient(135deg, var(--ni-orange-light), #FFD54F);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.ni-hero__subtitle {
  font-size: clamp(1.1rem, 2.5vw, 1.4rem);
  color: rgba(255,255,255,.9);
  margin-bottom: .75rem;
}

.ni-hero__asterisk {
  font-size: .8rem;
  color: rgba(255,255,255,.6);
  margin-bottom: 1.5rem;
}

/* Countdown */
.ni-countdown {
  margin-bottom: 2rem;
}

.ni-countdown__label {
  color: rgba(255,255,255,.8);
  font-size: .9rem;
  margin-bottom: .75rem;
  text-transform: uppercase;
  letter-spacing: .1em;
}

.ni-countdown__timer {
  display: flex;
  justify-content: center;
  gap: 8px;
  align-items: center;
}

.ni-countdown__block {
  background: rgba(255,255,255,.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: var(--ni-radius);
  padding: 12px 16px;
  min-width: 70px;
  text-align: center;
}

.ni-countdown__number {
  display: block;
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--ni-white);
  line-height: 1;
}

.ni-countdown__unit {
  display: block;
  font-size: .7rem;
  color: rgba(255,255,255,.7);
  text-transform: uppercase;
  letter-spacing: .1em;
  margin-top: 4px;
}

.ni-countdown__sep {
  font-size: 1.5rem;
  font-weight: 700;
  color: rgba(255,255,255,.5);
}

.ni-hero__cta {
  margin-bottom: .5rem;
}

.ni-hero__proof {
  margin-top: 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  color: rgba(255,255,255,.8);
  font-size: .9rem;
}

/* ============================================================
   TRUST BAR
   ============================================================ */
.ni-trust-bar {
  background: var(--ni-gray-100);
  padding: 20px 0;
  border-bottom: 1px solid var(--ni-gray-200);
}

.ni-trust-bar__items {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 30px;
}

.ni-trust-bar__item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .9rem;
  font-weight: 600;
  color: var(--ni-gray-800);
}

.ni-trust-icon {
  width: 24px;
  height: 24px;
  color: var(--ni-green);
  flex-shrink: 0;
}

/* ============================================================
   2. CALCOLATORE RISPARMIO
   ============================================================ */
.ni-calculator {
  background: var(--ni-gray-50);
}

.ni-calculator__card {
  max-width: 800px;
  margin: 0 auto;
  background: var(--ni-white);
  border-radius: var(--ni-radius-lg);
  padding: 40px;
  box-shadow: var(--ni-shadow-lg);
  border: 1px solid var(--ni-gray-200);
}

.ni-calculator__label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  color: var(--ni-gray-900);
}

.ni-calculator__bill-value {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--ni-orange);
}

/* Custom Range Slider */
.ni-calculator__slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 8px;
  border-radius: 4px;
  background: linear-gradient(to right, var(--ni-green-light), var(--ni-orange));
  outline: none;
  cursor: pointer;
}

.ni-calculator__slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--ni-white);
  border: 3px solid var(--ni-green);
  box-shadow: 0 2px 8px rgba(0,0,0,.15);
  cursor: pointer;
  transition: box-shadow var(--ni-transition);
}

.ni-calculator__slider::-webkit-slider-thumb:hover {
  box-shadow: 0 2px 12px rgba(46,125,50,.4);
}

.ni-calculator__slider::-moz-range-thumb {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--ni-white);
  border: 3px solid var(--ni-green);
  box-shadow: 0 2px 8px rgba(0,0,0,.15);
  cursor: pointer;
}

.ni-calculator__range-labels {
  display: flex;
  justify-content: space-between;
  font-size: .8rem;
  color: var(--ni-gray-600);
  margin-top: .5rem;
  margin-bottom: 2rem;
}

.ni-calculator__results {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 2rem;
}

.ni-calculator__result-card {
  text-align: center;
  padding: 20px 12px;
  background: var(--ni-gray-50);
  border: 1px solid var(--ni-gray-200);
  border-radius: var(--ni-radius);
  transition: all var(--ni-transition);
}

.ni-calculator__result-card:hover {
  border-color: var(--ni-green-light);
  box-shadow: var(--ni-shadow-sm);
}

.ni-calculator__result-card svg {
  width: 32px;
  height: 32px;
  margin-bottom: .5rem;
}

.ni-calculator__result-value {
  display: block;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--ni-green);
  margin-bottom: .25rem;
}

.ni-calculator__result-label {
  display: block;
  font-size: .75rem;
  color: var(--ni-gray-600);
  text-transform: uppercase;
  letter-spacing: .05em;
}

.ni-calculator__cta-wrap {
  text-align: center;
}

.ni-calculator__price-note {
  font-size: .95rem;
  color: var(--ni-gray-600);
  margin-bottom: 1rem;
}

/* ============================================================
   3. PRICING CARDS
   ============================================================ */
.ni-pricing {
  background: var(--ni-white);
}

.ni-pricing__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  max-width: 1100px;
  margin: 0 auto;
}

.ni-pricing__card {
  position: relative;
  background: var(--ni-white);
  border: 2px solid var(--ni-gray-200);
  border-radius: var(--ni-radius-lg);
  padding: 30px 20px 24px;
  text-align: center;
  transition: all var(--ni-transition);
  overflow: hidden;
}

.ni-pricing__card:hover {
  border-color: var(--ni-green);
  transform: translateY(-4px);
  box-shadow: var(--ni-shadow-lg);
}

.ni-pricing__card--popular {
  border-color: var(--ni-green);
  box-shadow: var(--ni-shadow-lg);
  transform: scale(1.04);
}

.ni-pricing__card--popular:hover {
  transform: scale(1.04) translateY(-4px);
}

.ni-pricing__card--active {
  border-color: var(--ni-orange);
  box-shadow: 0 0 0 3px rgba(245,124,0,.2), var(--ni-shadow-lg);
}

.ni-pricing__ribbon {
  position: absolute;
  top: 16px;
  right: -32px;
  background: var(--ni-green);
  color: var(--ni-white);
  font-size: .7rem;
  font-weight: 700;
  padding: 5px 36px;
  transform: rotate(45deg);
  text-transform: uppercase;
  letter-spacing: .05em;
}

.ni-pricing__badge-battery {
  display: inline-block;
  background: linear-gradient(135deg, var(--ni-orange), var(--ni-orange-dark));
  color: var(--ni-white);
  font-size: .7rem;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 50px;
  margin-bottom: .75rem;
  text-transform: uppercase;
  letter-spacing: .05em;
}

.ni-pricing__power {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--ni-gray-900);
  margin-bottom: .5rem;
}

.ni-pricing__price {
  margin-bottom: 1rem;
}

.ni-pricing__price .ni-strikethrough {
  display: block;
  font-size: .95rem;
  color: #e53935;
  text-decoration: line-through;
  opacity: .7;
}

.ni-pricing__price-real {
  display: block;
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--ni-green);
  line-height: 1.1;
}

.ni-pricing__price-note {
  display: block;
  font-size: .75rem;
  color: var(--ni-gray-600);
}

.ni-pricing__ideal {
  font-size: .8rem;
  color: var(--ni-gray-600);
  padding: 8px;
  background: var(--ni-gray-50);
  border-radius: 8px;
  margin-bottom: 1rem;
}

.ni-pricing__features {
  list-style: none;
  padding: 0;
  margin: 0 0 1.25rem;
  text-align: left;
}

.ni-pricing__features li {
  padding: 6px 0 6px 24px;
  position: relative;
  font-size: .85rem;
  color: var(--ni-gray-800);
  border-bottom: 1px solid var(--ni-gray-100);
}

.ni-pricing__features li:last-child { border-bottom: none; }

.ni-pricing__features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 16px;
  height: 16px;
  background: var(--ni-green-light);
  mask: url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M20 6L9 17l-5-5'/%3E%3C/svg%3E") no-repeat center;
  -webkit-mask: url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M20 6L9 17l-5-5'/%3E%3C/svg%3E") no-repeat center;
}

.ni-pricing__cta {
  width: 100%;
}

/* ============================================================
   SOCIAL PROOF DIVIDER
   ============================================================ */
.ni-social-divider {
  background: linear-gradient(135deg, var(--ni-green-darker) 0%, var(--ni-green) 100%);
  padding: 48px 0;
}

.ni-social-divider__inner {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 48px;
}

.ni-social-divider__stat {
  text-align: center;
  color: var(--ni-white);
}

.ni-counter {
  font-size: 2.5rem;
  font-weight: 900;
  line-height: 1;
}

.ni-social-divider__stat small {
  display: block;
  font-size: .85rem;
  opacity: .8;
  margin-top: .25rem;
}

/* ============================================================
   4. PERCHE FOTOVOLTAICO OGGI
   ============================================================ */
.ni-why-solar {
  background: linear-gradient(160deg, #064E3B 0%, #047857 40%, #059669 100%);
  padding: 90px 0;
}

.ni-why-solar__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.ni-why-solar__card {
  text-align: center;
  padding: 30px 20px;
  border-radius: var(--ni-radius);
  background: rgba(255,255,255,.08);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,.15);
  transition: all var(--ni-transition);
  color: var(--ni-white);
}

.ni-why-solar__card:hover {
  background: rgba(255,255,255,.14);
  transform: translateY(-4px);
}

.ni-why-solar__icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,.12);
  border-radius: 50%;
}

.ni-why-solar__icon svg {
  width: 28px;
  height: 28px;
  color: var(--ni-orange-light);
}

.ni-why-solar__card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: .5rem;
  color: #FFFFFF;
}

.ni-why-solar__card p {
  font-size: .88rem;
  color: rgba(255,255,255,.75);
  margin: 0;
}

/* ============================================================
   5. PERCHE ENERGIA SOLARE SRL
   ============================================================ */
.ni-why-us {
  background: var(--ni-white);
  padding: 80px 0;
}

.ni-why-us__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.ni-why-us__card {
  text-align: center;
  padding: 30px 20px;
  border-radius: var(--ni-radius);
  background: var(--ni-gray-50);
  border: 1px solid var(--ni-gray-200);
  transition: all var(--ni-transition);
}

.ni-why-us__card:hover {
  background: var(--ni-white);
  box-shadow: var(--ni-shadow-md);
  transform: translateY(-4px);
  border-color: var(--ni-green-light);
}

.ni-why-us__icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--ni-green), var(--ni-green-dark));
  border-radius: 50%;
  padding: 14px;
}

.ni-why-us__icon svg {
  width: 28px;
  height: 28px;
  color: var(--ni-white);
}

.ni-why-us__card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: .5rem;
}

.ni-why-us__card p {
  font-size: .9rem;
  color: var(--ni-gray-600);
  margin: 0;
}

/* ============================================================
   6. TIMELINE
   ============================================================ */
.ni-timeline {
  background: var(--ni-gray-50);
  padding: 80px 0;
}

.ni-timeline__track {
  position: relative;
  max-width: 700px;
  margin: 0 auto;
}

.ni-timeline__line {
  position: absolute;
  left: 24px;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(to bottom, var(--ni-green-light), var(--ni-green-dark));
}

.ni-timeline__step {
  display: flex;
  gap: 24px;
  margin-bottom: 40px;
  position: relative;
}

.ni-timeline__step:last-child { margin-bottom: 0; }

.ni-timeline__icon {
  width: 50px;
  height: 50px;
  min-width: 50px;
  background: linear-gradient(135deg, var(--ni-green), var(--ni-green-dark));
  color: var(--ni-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 1;
  box-shadow: 0 0 0 6px var(--ni-gray-50), 0 0 0 8px var(--ni-green-light);
}

.ni-timeline__icon svg {
  width: 24px;
  height: 24px;
}

.ni-timeline__step .ni-timeline__day {
  display: inline-block;
  background: var(--ni-green);
  color: var(--ni-white);
  font-size: .75rem;
  font-weight: 700;
  padding: 3px 12px;
  border-radius: 50px;
  text-transform: uppercase;
  letter-spacing: .05em;
  margin-bottom: .5rem;
}

.ni-timeline__step .ni-timeline__content {
  background: var(--ni-white);
  padding: 24px;
  border-radius: var(--ni-radius);
  box-shadow: var(--ni-shadow-sm);
  flex: 1;
  border: 1px solid var(--ni-gray-200);
  transition: all var(--ni-transition);
}

.ni-timeline__step .ni-timeline__content:hover {
  box-shadow: var(--ni-shadow-md);
  transform: translateX(4px);
}

.ni-timeline__title {
  font-size: 1.1rem;
  margin-bottom: .25rem;
}

.ni-timeline__desc {
  font-size: .9rem;
  color: var(--ni-gray-600);
  margin: 0;
}

/* ============================================================
   7. GALLERY
   ============================================================ */
.ni-gallery {
  background: var(--ni-white);
  padding: 80px 0;
}

.ni-gallery__wrapper {
  position: relative;
  overflow: hidden;
  border-radius: var(--ni-radius-lg);
}

.ni-gallery__viewport {
  overflow: hidden;
}

.ni-gallery__track {
  display: flex;
  transition: transform .5s cubic-bezier(.4,0,.2,1);
}

.ni-gallery__slide {
  min-width: 100%;
  padding: 0 4px;
}

.ni-gallery__img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  border-radius: var(--ni-radius);
  display: block;
  transition: transform .4s ease;
}

.ni-gallery__slide:hover .ni-gallery__img {
  transform: scale(1.03);
}

.ni-gallery__img-placeholder {
  width: 100%;
  height: 400px;
  border-radius: var(--ni-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--ni-white);
}

.ni-gallery__img-placeholder span {
  background: rgba(0,0,0,.3);
  padding: 8px 24px;
  border-radius: 50px;
}

.ni-gallery__label {
  text-align: center;
  font-size: .9rem;
  font-weight: 600;
  color: var(--ni-gray-800);
  margin-top: .75rem;
}

.ni-gallery__arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255,255,255,.9);
  border: none;
  box-shadow: var(--ni-shadow-md);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 5;
  transition: all var(--ni-transition);
}

.ni-gallery__arrow:hover {
  background: var(--ni-white);
  box-shadow: var(--ni-shadow-lg);
}

.ni-gallery__arrow svg {
  width: 20px;
  height: 20px;
  color: var(--ni-gray-800);
}

.ni-gallery__arrow--prev { left: 12px; }
.ni-gallery__arrow--next { right: 12px; }

/* ============================================================
   8. TESTIMONIANZE
   ============================================================ */
.ni-testimonials {
  background: var(--ni-gray-50);
  padding: 80px 0;
}

.ni-testimonials__carousel {
  overflow: hidden;
  position: relative;
}

.ni-testimonials__track {
  display: flex;
  transition: transform .5s cubic-bezier(.4,0,.2,1);
}

.ni-testimonials__card {
  min-width: 100%;
  padding: 0 20px;
}

.ni-testimonials__card > div {
  max-width: 680px;
  margin: 0 auto;
  background: var(--ni-white);
  border: 1px solid var(--ni-gray-200);
  border-radius: var(--ni-radius-lg);
  padding: 40px;
  text-align: center;
}

.ni-testimonials__stars {
  color: #FFC107;
  font-size: 1.2rem;
  margin-bottom: .75rem;
}

.ni-testimonials__quote {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--ni-gray-800);
  margin-bottom: 1.5rem;
  font-style: italic;
}

.ni-testimonials__author {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.ni-testimonials__avatar {
  width: 48px;
  height: 48px;
  min-width: 48px;
  border-radius: 50%;
  background: var(--ni-green);
  color: var(--ni-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: .9rem;
}

.ni-testimonials__author strong {
  display: block;
  font-size: .95rem;
}

.ni-testimonials__author span {
  display: block;
  font-size: .8rem;
  color: var(--ni-gray-600);
}

.ni-testimonials__dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 1.5rem;
}

.ni-testimonials__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: none;
  background: var(--ni-gray-200);
  cursor: pointer;
  transition: all var(--ni-transition);
  padding: 0;
}

.ni-testimonials__dot--active {
  background: var(--ni-green);
  transform: scale(1.3);
}

/* ============================================================
   9. DETRAZIONE FISCALE
   ============================================================ */
.ni-deduction {
  background: var(--ni-white);
  padding: 80px 0;
}

.ni-deduction__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.ni-deduction__text .ni-section__tag { margin-bottom: 1rem; }

.ni-deduction__text h2 {
  text-align: left;
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  margin-bottom: 1rem;
}

.ni-deduction__text p {
  font-size: .95rem;
  color: var(--ni-gray-600);
  margin-bottom: 1rem;
}

.ni-deduction__list {
  list-style: none;
  padding: 0;
  margin: 0 0 1.5rem;
}

.ni-deduction__list li {
  padding: 10px 0 10px 28px;
  position: relative;
  font-size: .95rem;
  color: var(--ni-gray-800);
  border-bottom: 1px solid var(--ni-gray-100);
}

.ni-deduction__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 14px;
  width: 18px;
  height: 18px;
  background: var(--ni-green-light);
  mask: url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M20 6L9 17l-5-5'/%3E%3C/svg%3E") no-repeat center;
  -webkit-mask: url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M20 6L9 17l-5-5'/%3E%3C/svg%3E") no-repeat center;
}

.ni-deduction__note {
  font-size: .85rem;
  color: var(--ni-gray-600);
  font-style: italic;
  margin-bottom: 1.5rem;
}

/* Visual breakdown */
.ni-deduction__breakdown {
  background: var(--ni-gray-50);
  border: 1px solid var(--ni-gray-200);
  border-radius: var(--ni-radius-lg);
  padding: 40px 30px;
  text-align: center;
}

.ni-deduction__price-full,
.ni-deduction__price-discount,
.ni-deduction__price-final {
  padding: 16px;
  border-radius: var(--ni-radius);
  margin-bottom: 8px;
}

.ni-deduction__price-full {
  background: var(--ni-white);
  border: 1px solid var(--ni-gray-200);
}

.ni-deduction__price-discount {
  background: #E8F5E9;
  border: 1px solid var(--ni-green-light);
}

.ni-deduction__price-final {
  background: linear-gradient(135deg, var(--ni-green), var(--ni-green-dark));
  color: var(--ni-white);
}

.ni-deduction__price-label {
  display: block;
  font-size: .8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .05em;
  margin-bottom: .25rem;
}

.ni-deduction__price-value {
  display: block;
  font-size: 1.75rem;
  font-weight: 900;
}

.ni-deduction__price-final .ni-deduction__price-label,
.ni-deduction__price-final .ni-deduction__price-value {
  color: var(--ni-white);
}

.ni-deduction__arrow {
  display: flex;
  justify-content: center;
  margin: 4px 0;
}

.ni-deduction__arrow svg {
  width: 32px;
  height: 32px;
  color: var(--ni-green);
}

/* ============================================================
   MID-PAGE CTA
   ============================================================ */
.ni-mid-cta {
  background: linear-gradient(135deg, var(--ni-green-dark), var(--ni-green));
  padding: 50px 0;
}

.ni-mid-cta__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  flex-wrap: wrap;
}

.ni-mid-cta__text {
  flex: 1;
  min-width: 300px;
}

.ni-mid-cta__text h2 {
  color: var(--ni-white);
  font-size: clamp(1.3rem, 3vw, 1.75rem);
  font-weight: 800;
  margin-bottom: .5rem;
}

.ni-mid-cta__text p {
  color: rgba(255,255,255,.85);
  font-size: .95rem;
  margin: 0;
}

.ni-mid-cta .ni-btn--primary {
  background: var(--ni-white);
  color: var(--ni-green-dark);
  box-shadow: 0 4px 15px rgba(0,0,0,.2);
  flex-shrink: 0;
}

.ni-mid-cta .ni-btn--primary:hover {
  box-shadow: 0 6px 25px rgba(0,0,0,.3);
  transform: translateY(-2px);
}

/* ============================================================
   10. FAQ
   ============================================================ */
.ni-faq {
  background: var(--ni-gray-50);
  padding: 80px 0;
}

.ni-faq__list {
  max-width: 720px;
  margin: 0 auto;
}

.ni-faq__item {
  background: var(--ni-white);
  border: 1px solid var(--ni-gray-200);
  border-radius: var(--ni-radius);
  margin-bottom: 12px;
  overflow: hidden;
  transition: all var(--ni-transition);
}

.ni-faq__item:hover {
  border-color: var(--ni-green-light);
}

.ni-faq__question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  background: none;
  border: none;
  font-family: var(--ni-font);
  font-size: 1rem;
  font-weight: 600;
  color: var(--ni-gray-900);
  cursor: pointer;
  text-align: left;
  gap: 16px;
}

.ni-faq__toggle {
  width: 24px;
  height: 24px;
  min-width: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--ni-green);
  transition: transform var(--ni-transition);
}

.ni-faq__item--active .ni-faq__toggle {
  transform: rotate(45deg);
}

.ni-faq__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s ease;
}

.ni-faq__answer p {
  padding: 0 24px 20px;
  font-size: .95rem;
  color: var(--ni-gray-600);
  line-height: 1.7;
  margin: 0;
}

/* ============================================================
   11. CONFRONTO COSTI
   ============================================================ */
.ni-comparison {
  background: var(--ni-white);
  padding: 80px 0;
}

.ni-comparison__grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 30px;
  align-items: stretch;
  max-width: 900px;
  margin: 0 auto;
}

.ni-comparison__card {
  border-radius: var(--ni-radius-lg);
  overflow: hidden;
  transition: all var(--ni-transition);
}

.ni-comparison__card:hover {
  transform: translateY(-4px);
  box-shadow: var(--ni-shadow-lg);
}

.ni-comparison__header {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 20px;
}

.ni-comparison__header svg {
  width: 28px;
  height: 28px;
}

.ni-comparison__header h3 {
  font-size: 1.1rem;
  font-weight: 800;
  margin: 0;
}

.ni-comparison__header--red {
  background: #FFEBEE;
  color: #D32F2F;
}

.ni-comparison__header--red svg { color: #D32F2F; }

.ni-comparison__header--green {
  background: #E8F5E9;
  color: var(--ni-green);
}

.ni-comparison__header--green svg { color: var(--ni-green); }

.ni-comparison__body {
  padding: 24px;
  background: var(--ni-white);
  border: 1px solid var(--ni-gray-200);
  border-top: none;
  border-radius: 0 0 var(--ni-radius-lg) var(--ni-radius-lg);
}

.ni-comparison__row {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid var(--ni-gray-100);
  font-size: .9rem;
}

.ni-comparison__value { font-weight: 700; }
.ni-comparison__value--negative { color: #D32F2F; }
.ni-comparison__value--positive { color: var(--ni-green); }

.ni-comparison__bar {
  height: 8px;
  border-radius: 4px;
  background: var(--ni-gray-100);
  margin: 16px 0;
  position: relative;
  overflow: hidden;
}

.ni-comparison__bar::after {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: var(--bar-width, 50%);
  background: var(--bar-color, var(--ni-green));
  border-radius: 4px;
  transition: width 1s ease;
}

.ni-comparison__total {
  display: flex;
  justify-content: space-between;
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 1rem;
  margin-top: 8px;
}

.ni-comparison__total--negative {
  background: #FFEBEE;
  color: #D32F2F;
}

.ni-comparison__total--negative strong { font-size: 1.25rem; }

.ni-comparison__total--positive {
  background: #E8F5E9;
  color: var(--ni-green);
}

.ni-comparison__total--positive strong { font-size: 1.25rem; }

.ni-comparison__vs {
  display: flex;
  align-items: center;
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--ni-gray-600);
}

.ni-comparison__conclusion {
  font-size: 1.15rem;
  color: var(--ni-gray-800);
  margin-bottom: 1.5rem;
}

/* ============================================================
   12. FORM SECTION
   ============================================================ */
.ni-form-section {
  background: linear-gradient(160deg, #064E3B 0%, #047857 40%, #059669 100%);
  padding: 90px 0;
  position: relative;
}

.ni-form-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Ccircle cx='30' cy='30' r='2'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  pointer-events: none;
}

.ni-form-card {
  max-width: 720px;
  margin: 0 auto;
  background: var(--ni-white);
  border-radius: var(--ni-radius-xl);
  padding: 52px 44px;
  box-shadow: var(--ni-shadow-xl);
  position: relative;
  z-index: 1;
}

.ni-form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.ni-form__group {
  display: flex;
  flex-direction: column;
}

.ni-form__group--full {
  grid-column: 1 / -1;
}

.ni-form__group label {
  font-size: .85rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--ni-gray-800);
}

.ni-form__group input:not([type="checkbox"]) {
  width: 100%;
  padding: 15px 16px;
  min-height: 52px;
  border: 2px solid var(--ni-gray-200);
  border-radius: 12px;
  font-family: var(--ni-font-body);
  font-size: .95rem;
  color: var(--ni-gray-900);
  background: var(--ni-white);
  transition: border-color var(--ni-transition), box-shadow var(--ni-transition);
  -webkit-appearance: none;
}

.ni-form__group select {
  width: 100%;
  padding: 15px 44px 15px 16px;
  min-height: 52px;
  border: 2px solid var(--ni-gray-200);
  border-radius: 12px;
  font-family: var(--ni-font-body);
  font-size: .95rem;
  color: var(--ni-gray-900);
  background-color: var(--ni-white);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%234B5563' stroke-width='2' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  background-size: 12px 8px;
  transition: border-color var(--ni-transition), box-shadow var(--ni-transition);
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  cursor: pointer;
  text-overflow: ellipsis;
  overflow: hidden;
  white-space: nowrap;
}

.ni-form__group input:not([type="checkbox"]):focus,
.ni-form__group select:focus {
  outline: none;
  border-color: var(--ni-green);
  box-shadow: 0 0 0 4px rgba(5,150,105,.12);
}

/* Ensure selected option text is visible */
.ni-form__group select option {
  color: var(--ni-gray-900);
  background: var(--ni-white);
  padding: 8px;
}

.ni-form__group select:invalid {
  color: var(--ni-gray-400);
}

.ni-form__group select option[value=""] {
  color: var(--ni-gray-400);
}

.ni-form__input--error {
  border-color: var(--ni-danger) !important;
}

.ni-form__error {
  display: block;
  font-size: .78rem;
  color: #EF5350;
  margin-top: 4px;
}

.ni-form__group--checkbox {
  grid-column: 1 / -1;
  margin: 12px 0;
}

.ni-form__group--checkbox label {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  cursor: pointer;
  font-weight: 400;
  font-size: .85rem;
  color: var(--ni-gray-600);
}

.ni-form__group--checkbox input[type="checkbox"] {
  width: auto;
  margin-top: 3px;
  accent-color: var(--ni-green);
}

.ni-form__group--checkbox a {
  color: var(--ni-green);
}

.ni-form__submit {
  margin-top: 8px;
  margin-bottom: 16px;
}

.ni-form__submit button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.ni-form__submit button svg {
  width: 22px;
  height: 22px;
}

.ni-form__trust {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
  font-size: .8rem;
  color: var(--ni-gray-600);
}

.ni-form__message {
  text-align: center;
  padding: 16px;
  border-radius: 8px;
  margin-top: 16px;
  font-size: .9rem;
}

.ni-form__message--success {
  background: #E8F5E9;
  color: var(--ni-green);
}

.ni-form__message--error {
  background: #FFEBEE;
  color: #D32F2F;
}

.ni-form__thank-you {
  text-align: center;
  padding: 40px;
}

.ni-form__thank-you h3 {
  font-size: 1.5rem;
  color: var(--ni-green);
  margin-bottom: .5rem;
}

.ni-form__thank-you p {
  color: var(--ni-gray-600);
}

/* ============================================================
   EXIT INTENT POPUP
   ============================================================ */
.ni-exit-popup {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: none;
}

.ni-exit-popup--visible {
  display: block;
}

.ni-exit-popup__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,.6);
  animation: niFadeIn .3s ease;
}

.ni-exit-popup__modal {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: var(--ni-white);
  border-radius: var(--ni-radius-lg);
  padding: 40px 32px;
  max-width: 480px;
  width: calc(100% - 40px);
  text-align: center;
  animation: niSlideUp .3s ease;
}

.ni-exit-popup__close {
  position: absolute;
  top: 12px;
  right: 16px;
  background: none;
  border: none;
  font-size: 1.75rem;
  color: var(--ni-gray-600);
  cursor: pointer;
  line-height: 1;
}

.ni-exit-popup__icon svg {
  width: 48px;
  height: 48px;
}

.ni-exit-popup__modal h3 {
  font-size: 1.5rem;
  font-weight: 800;
  margin: 16px 0 8px;
  color: var(--ni-gray-900);
}

.ni-exit-popup__modal p {
  font-size: .95rem;
  color: var(--ni-gray-600);
  margin-bottom: .75rem;
}

.ni-exit-popup__form {
  display: flex;
  gap: 8px;
  margin: 1.25rem 0;
}

.ni-exit-popup__input {
  flex: 1;
  padding: 12px 16px;
  border: 2px solid var(--ni-gray-200);
  border-radius: 50px;
  font-family: var(--ni-font);
  font-size: .95rem;
}

.ni-exit-popup__input:focus {
  outline: none;
  border-color: var(--ni-green);
}

.ni-exit-popup__modal small {
  display: block;
  font-size: .75rem;
  color: var(--ni-gray-600);
}

/* ============================================================
   MOBILE STICKY FOOTER
   ============================================================ */
.ni-mobile-sticky {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 999;
  background: var(--ni-white);
  box-shadow: 0 -4px 20px rgba(0,0,0,.1);
  transform: translateY(100%);
  transition: transform var(--ni-transition);
  display: none;
}

.ni-mobile-sticky--visible {
  transform: translateY(0);
}

.ni-mobile-sticky__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  gap: 12px;
}

.ni-mobile-sticky__price {
  font-size: .85rem;
  color: var(--ni-gray-600);
}

.ni-mobile-sticky__price strong {
  display: block;
  font-size: 1.3rem;
  font-weight: 900;
  color: var(--ni-green);
}

.ni-mobile-sticky__call {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--ni-green);
  color: var(--ni-white);
  display: flex;
  align-items: center;
  justify-content: center;
}

.ni-mobile-sticky__call svg {
  width: 20px;
  height: 20px;
}

/* ============================================================
   ANIMATIONS
   ============================================================ */
@keyframes niFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes niSlideUp {
  from { opacity: 0; transform: translate(-50%, -40%); }
  to { opacity: 1; transform: translate(-50%, -50%); }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .ni-pricing__grid {
    grid-template-columns: repeat(2, 1fr);
    max-width: 600px;
    margin: 0 auto;
  }

  .ni-why-solar__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .ni-calculator__results {
    grid-template-columns: repeat(2, 1fr);
  }

  .ni-comparison__grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .ni-comparison__vs {
    justify-content: center;
  }
}

@media (max-width: 768px) {
  .ni-section,
  .ni-why-solar,
  .ni-why-us,
  .ni-timeline,
  .ni-gallery,
  .ni-testimonials,
  .ni-deduction,
  .ni-faq,
  .ni-comparison,
  .ni-form-section {
    padding: 60px 0;
  }

  .ni-hero { min-height: 100vh; padding: 100px 0 90px; }
  .ni-hero__bg-img {
    object-position: center center;
    height: auto;
    min-height: 100%;
    min-width: 100%;
  }
  .ni-hero__video { object-position: center center; }
  .ni-hero__particles { display: none; }

  .ni-pricing__grid {
    grid-template-columns: 1fr;
    max-width: 380px;
  }

  .ni-pricing__card--popular {
    transform: none;
  }

  .ni-pricing__card--popular:hover {
    transform: translateY(-4px);
  }

  .ni-why-solar__grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin: 0 auto;
  }

  .ni-why-us__grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin: 0 auto;
  }

  .ni-deduction__grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .ni-deduction__text h2 { text-align: center; }

  .ni-form__row {
    grid-template-columns: 1fr;
  }

  .ni-form-card {
    padding: 32px 20px;
  }

  .ni-calculator__card {
    padding: 24px;
  }

  .ni-calculator__results {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .ni-trust-bar__items {
    gap: 16px;
  }

  .ni-trust-bar__item {
    font-size: .8rem;
  }

  .ni-countdown__block {
    min-width: 55px;
    padding: 8px 10px;
  }

  .ni-countdown__number {
    font-size: 1.25rem;
  }

  .ni-mid-cta__inner {
    flex-direction: column;
    text-align: center;
  }

  .ni-header__phone span {
    display: none;
  }

  /* Show sticky footer on mobile */
  .ni-mobile-sticky {
    display: block;
  }

  .ni-timeline__line { left: 20px; }

  .ni-timeline__icon {
    width: 42px;
    height: 42px;
    min-width: 42px;
  }

  .ni-timeline__icon svg {
    width: 20px;
    height: 20px;
  }

  .ni-timeline__step .ni-timeline__content {
    padding: 16px;
  }

  .ni-social-divider__inner {
    gap: 24px;
  }

  .ni-gallery__img-placeholder,
  .ni-gallery__img {
    height: 250px;
  }

  .ni-comparison__grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .ni-comparison__vs { justify-content: center; }
}

@media (max-width: 480px) {
  .ni-hero__title {
    font-size: 1.75rem;
  }

  .ni-hero__subtitle {
    font-size: 1rem;
  }

  .ni-hero__badges {
    gap: 6px;
  }

  .ni-hero__badges .ni-badge {
    font-size: .7rem;
    padding: 6px 12px;
  }

  .ni-countdown__block {
    min-width: 48px;
    padding: 6px 8px;
  }

  .ni-countdown__number {
    font-size: 1.1rem;
  }

  .ni-counter {
    font-size: 2rem;
  }

  .ni-pricing__price-real {
    font-size: 2rem;
  }

  .ni-calculator__label {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }

  .ni-form__trust {
    flex-direction: column;
    align-items: center;
    gap: 4px;
  }

  .ni-exit-popup__form {
    flex-direction: column;
  }

  .ni-gallery__img-placeholder,
  .ni-gallery__img {
    height: 200px;
  }
}

/* ============================================================
   HERO CANTIERE — Timelapse scrubbed dallo scroll (motion v3)
   Desktop: canvas pinneato, lo scroll installa i pannelli.
   Mobile/reduced/no-JS: il video gira una volta e si ferma.
   ============================================================ */

/* Lighter overlay: the footage carries the scene */
.ni-hero--cantiere .ni-hero__overlay {
  background: linear-gradient(
    165deg,
    rgba(4, 47, 36, .42) 0%,
    rgba(4, 80, 58, .2) 45%,
    rgba(2, 16, 22, .52) 100%
  );
}

/* Legibility scrim: radial darkening right behind the centered content */
.ni-hero__scrim {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: radial-gradient(ellipse 62% 78% at 50% 46%, rgba(2,20,15,.58) 0%, rgba(2,20,15,.34) 55%, transparent 100%);
}
.ni-hero--cantiere .ni-hero__title { text-shadow: 0 2px 10px rgba(0,0,0,.85), 0 4px 34px rgba(0,0,0,.6); }
/* Gradient-text accent: inherited text-shadow paints OVER transparent glyphs
   (muddy look) — kill it and use drop-shadow filters instead */
.ni-hero--cantiere .ni-hero__title-accent {
  text-shadow: none;
  background: linear-gradient(135deg, #FFC93C, #FFE082);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 2px 5px rgba(0,0,0,.8)) drop-shadow(0 5px 22px rgba(0,0,0,.45));
}
.ni-hero--cantiere .ni-hero__subtitle { text-shadow: 0 1px 8px rgba(0,0,0,.8); color: rgba(255,255,255,.96); }
.ni-hero--cantiere .ni-badge { background: rgba(2,30,22,.55); backdrop-filter: blur(4px); }

/* Canvas scrub (desktop) */
.ni-hero__canvas {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 1;
}
/* Video fallback hidden on desktop-JS (the canvas takes over) */
.ni-hero--cantiere.is-scrub .ni-hero__video,
.ni-hero--cantiere.is-scrub .ni-hero__bg-img { display: none; }
.ni-hero--cantiere:not(.is-scrub) .ni-hero__canvas { display: none; }
.ni-hero--cantiere .ni-hero__video { z-index: 1; }

/* Cursor-following warm glow */
.ni-hero__cursor-glow {
  position: absolute;
  left: 0; top: 0;
  width: 46vw;
  height: 46vw;
  margin: -23vw 0 0 -23vw;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(251,191,36,.16) 0%, rgba(245,158,11,.07) 40%, transparent 70%);
  mix-blend-mode: screen;
  pointer-events: none;
  z-index: 2;
  opacity: 0;
}

/* Cinematic letterbox bars */
.ni-hero__bars { position: absolute; inset: 0; z-index: 6; pointer-events: none; }
.ni-bar {
  position: absolute;
  left: 0; right: 0;
  height: 50.5%;
  background: #04120d;
}
.ni-bar--top { top: 0; transform-origin: top; }
.ni-bar--bottom { bottom: 0; transform-origin: bottom; }

/* Title line mask-reveal wrappers */
.ni-reveal { display: block; overflow: hidden; }
.ni-reveal__inner { display: block; }

/* Cantiere progress chip */
.ni-cantiere__chip {
  position: absolute;
  left: 50%;
  /* Anchor to the visible viewport, not the hero box: the hero can be
     taller than 100vh (paddings), which would push bottom:* below the fold */
  top: calc(100vh - 70px);
  bottom: auto;
  transform: translateX(-50%);
  z-index: 5;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 9px 16px;
  border-radius: 9999px;
  background: rgba(2, 24, 18, .72);
  border: 1px solid rgba(251,191,36,.3);
  backdrop-filter: blur(6px);
  opacity: 0;
  white-space: nowrap;
}
.ni-cantiere__dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--ni-accent-light, #FBBF24);
  animation: ni-cantiere-pulse 1.6s ease-in-out infinite;
}
@keyframes ni-cantiere-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .5; transform: scale(.75); }
}
.ni-cantiere__label {
  font-family: var(--ni-font-heading, 'Poppins', sans-serif);
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: #fff;
}
.ni-cantiere__bar {
  width: 110px;
  height: 4px;
  border-radius: 4px;
  background: rgba(255,255,255,.18);
  overflow: hidden;
}
.ni-cantiere__fill {
  display: block;
  height: 100%;
  width: 100%;
  transform: scaleX(0);
  transform-origin: left;
  background: linear-gradient(90deg, #FBBF24, #10B981);
}

@media (max-width: 768px) {
  .ni-cantiere__chip { display: none; }
}

/* Reduced motion: static final state, no chrome */
@media (prefers-reduced-motion: reduce) {
  .ni-hero__bars, .ni-hero__cursor-glow, .ni-cantiere__chip, .ni-hero__canvas { display: none; }
  .ni-hero--cantiere .ni-hero__video { display: none; }
}