/* assets/css/style.css */
/* ==========================================================================
   Base & Reset
   ========================================================================== */
   *, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }
  
  html {
    scroll-behavior: smooth;
    font-size: 16px;
  }
  
  body {
    font-family: var(--font-family-base);
    background-color: var(--color-bg-dark);
    color: var(--color-text-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }
  
  a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color var(--transition-fast);
  }
  
  a:hover {
    color: var(--color-accent-hover);
  }
  
  img, video {
    max-width: 100%;
    height: auto;
    display: block;
  }
  
  ul, ol {
    list-style: none;
  }
  
  .container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-4);
  }
  
  /* ==========================================================================
     Typography
     ========================================================================== */
  h1, h2, h3, h4, h5, h6 {
    line-height: 1.2;
    font-weight: 700;
    margin-bottom: var(--spacing-4);
    letter-spacing: -0.025em;
  }
  
  p {
    margin-bottom: var(--spacing-4);
    color: var(--color-text-muted);
  }
  
  .text-gradient {
    background: linear-gradient(135deg, var(--color-accent), #ffffff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
  }
  
  .section-title {
    font-size: var(--text-4xl);
    text-align: center;
    margin-bottom: var(--spacing-2);
  }
  
  .section-subtitle {
    text-align: center;
    font-size: var(--text-lg);
    max-width: 600px;
    margin: 0 auto var(--spacing-12);
  }
  
  /* ==========================================================================
     Buttons
     ========================================================================== */
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-3) var(--spacing-6);
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: var(--text-base);
    cursor: pointer;
    transition: all var(--transition-fast);
    border: 2px solid transparent;
  }
  
  .btn-primary {
    background-color: var(--color-accent);
    color: var(--color-bg-dark);
  }
  
  .btn-primary:hover {
    background-color: transparent;
    border-color: #BEF264;
    color: #BEF264;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(163, 230, 53, 0.3);
  }
  
  .btn-secondary {
    background-color: transparent;
    color: var(--color-text-main);
    border-color: var(--color-border);
  }
  
  .btn-secondary:hover {
    border-color: var(--color-text-main);
    background-color: rgba(255, 255, 255, 0.05);
  }
  
  /* ==========================================================================
     Header & Nav
     ========================================================================== */
  .site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--color-border);
    z-index: 100;
    height: 70px;
    display: flex;
    align-items: center;
  }
  
  .header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  
  .logo-img {
    height: 50px;
    width: auto;
  }
  
  .nav-list {
    display: flex;
    align-items: center;
    gap: var(--spacing-6);
  }
  
  .nav-link {
    color: var(--color-text-main);
    font-weight: 500;
    font-size: var(--text-sm);
  }
  
  .nav-link:hover {
    color: var(--color-accent);
  }
  
  .mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-2);
  }
  
  .hamburger-line {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-text-main);
    margin: 5px 0;
    transition: var(--transition-normal);
  }
  
  /* ==========================================================================
     Hero Section
     ========================================================================== */
  .hero {
    padding-top: 140px; /* Offset for fixed header */
    padding-bottom: var(--spacing-16);
    min-height: 90vh;
    display: flex;
    align-items: center;
  }
  
  .hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-12);
    align-items: center;
  }
  
  .hero-content h1 {
    font-size: var(--text-5xl);
    margin-bottom: var(--spacing-6);
  }
  
  .hero-content p {
    font-size: var(--text-lg);
    margin-bottom: var(--spacing-8);
  }
  
  .hero-cta {
    display: flex;
    gap: var(--spacing-4);
    flex-wrap: wrap;
  }
  
  .hero-media {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    border: 1px solid var(--color-border);
    aspect-ratio: 16/9;
    background-color: var(--color-bg-card);
  }
  
  .hero-media video {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  
  /* Placeholder overlay for video */
  .video-placeholder-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(to bottom right, rgba(15, 23, 42, 0.8), rgba(30, 41, 59, 0.8));
    color: var(--color-text-main);
  }
  
  /* ==========================================================================
     Features Section
     ========================================================================== */
  .section {
    padding: var(--spacing-24) 0;
  }
  
  .features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-8);
  }
  
  .feature-card {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-8);
    transition: var(--transition-normal);
  }
  
  .feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-accent);
    box-shadow: var(--shadow-card);
  }
  
  .feature-icon {
    width: 48px;
    height: 48px;
    background-color: rgba(163, 230, 53, 0.1); /* Lime with opacity */
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-4);
    color: var(--color-accent);
  }
  
  .feature-icon svg {
    width: 24px;
    height: 24px;
  }
  
  .feature-card h3 {
    font-size: var(--text-xl);
    margin-bottom: var(--spacing-2);
  }
  
  /* ==========================================================================
     Steps Section (Come Funziona)
     ========================================================================== */
  .step-row {
      margin-bottom: var(--spacing-8);
  }
  
  @media (max-width: 992px) {
      .steps-container .step-row {
          grid-template-columns: 1fr !important;
          text-align: center;
          gap: var(--spacing-4) !important;
      }
      
      .steps-container .step-reverse .step-media {
          order: 2; /* Su mobile l'immagine va sempre sotto il testo, anche nei righe alternate */
      }
      
      .steps-container .step-reverse .step-content {
          order: 1;
      }
  }

  /* ==========================================================================
     Footer
     ========================================================================== */
  .site-footer {
    background-color: var(--color-bg-card);
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-16) 0 var(--spacing-6);
  }
  
  .footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-8);
    margin-bottom: var(--spacing-12);
  }
  
  .footer-logo {
    margin-bottom: var(--spacing-4);
  }
  
  .footer-title {
    font-size: var(--text-base);
    color: var(--color-text-main);
    margin-bottom: var(--spacing-4);
  }
  
  .footer-links li {
    margin-bottom: var(--spacing-2);
  }
  
  .footer-links a {
    color: var(--color-text-muted);
    font-size: var(--text-sm);
  }
  
  .footer-links a:hover {
    color: var(--color-accent);
  }
  
  .footer-bottom {
    border-top: 1px solid var(--color-border);
    padding-top: var(--spacing-6);
    text-align: center;
    font-size: var(--text-sm);
  }
  
  /* ==========================================================================
     Media Queries (Mobile Responsive)
     ========================================================================== */
  @media (max-width: 992px) {
    .hero-grid {
      grid-template-columns: 1fr;
      text-align: center;
    }
    
    .hero-content h1 {
      font-size: var(--text-4xl);
    }
    
    .hero-cta {
      justify-content: center;
    }
    
    .footer-grid {
      grid-template-columns: 1fr 1fr;
    }
  }
  
  @media (max-width: 768px) {
    .mobile-menu-toggle {
      display: block;
    }
    
    .main-nav {
      position: absolute;
      top: 70px;
      left: 0;
      width: 100%;
      background-color: var(--color-bg-card);
      border-bottom: 1px solid var(--color-border);
      padding: var(--spacing-4);
      transform: translateY(-150%);
      transition: transform var(--transition-normal);
      z-index: 99;
    }
    
    .main-nav.is-open {
      transform: translateY(0);
    }
    
    .nav-list {
      flex-direction: column;
      align-items: flex-start;
      gap: var(--spacing-4);
    }
    
    .nav-list li {
      width: 100%;
    }
    
    .nav-list a {
      display: block;
      padding: var(--spacing-2) 0;
    }
    
    .footer-grid {
      grid-template-columns: 1fr;
    }

    /* Regola l'animazione della Hero per non sbordare da schermi piccolini */
    .hero-widget.widget-1 {
      left: 10px !important;
      right: auto !important;
    }
    
    .hero-widget.widget-2 {
      right: 10px !important;
      left: auto !important;
    }
  }

  @keyframes float {
    0% {
      transform: translateY(0px);
    }
    50% {
      transform: translateY(-10px);
    }
    100% {
      transform: translateY(0px);
    }
  }

  @keyframes slideInLeft {
    from {
      opacity: 0;
      transform: translateX(-50px);
    }
    to {
      opacity: 1;
      transform: translateX(0);
    }
  }

  @keyframes slideInRight {
    from {
      opacity: 0;
      transform: translateX(50px);
    }
    to {
      opacity: 1;
      transform: translateX(0);
    }
  }

  @keyframes slideInUp {
    from {
      opacity: 0;
      transform: translateY(50px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  @keyframes pulse {
    0% {
      transform: scale(1);
    }
    50% {
      transform: scale(1.1);
      color: var(--color-accent);
    }
    100% {
      transform: scale(1);
    }
  }

  .icon-pulse {
    animation: pulse 2s ease-in-out infinite;
  }

  /* ==========================================================================
     Scroll Animations
     ========================================================================== */
  .animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
  }

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

  /* ==========================================================================
     Back to Top Button
     ========================================================================== */
  #back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--color-accent);
    color: var(--color-bg-dark);
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 999;
  }

  #back-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  #back-to-top:hover {
    transform: translateY(-5px);
    background-color: #d9f99d; /* Lighter lime on hover */
  }

  /* Animazione pulsante quando entra */
  @keyframes bounce-in {
    0% { transform: scale(0); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
  }

  #back-to-top.show {
    animation: bounce-in 0.5s ease forwards;
  }