:root{
  --green:#3FA06C;
  --mint:#A9E4C2;
  --paper:#F6FAF7;
  --ink:#4B4B4B;
  --gold:#C7A151;
  --radius:16px;
  --shadow:0 10px 30px rgba(0,0,0,.08);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
html,body{height:100%}
body{
  margin:0;
  font-family:Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color:var(--ink);
  background:var(--paper);
}

.container{width:min(1200px,92%);margin:0 auto}

/* Animations */
@keyframes fadeIn{
  from{opacity:0;transform:translateY(20px)}
  to{opacity:1;transform:translateY(0)}
}
@keyframes slideUp{
  from{opacity:0;transform:translateY(40px)}
  to{opacity:1;transform:translateY(0)}
}
.fade-in{animation:fadeIn 0.8s ease-out forwards}
.slide-up{animation:slideUp 0.8s ease-out forwards;opacity:0}
.slide-up:nth-child(2){animation-delay:0.1s}
.slide-up:nth-child(3){animation-delay:0.2s}

/* Header */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:50;
  background:rgba(246,250,247,.95);
  backdrop-filter:saturate(1.1) blur(12px);
  border-bottom:1px solid rgba(0,0,0,.06);
  box-shadow:0 2px 12px rgba(0,0,0,.04);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:14px 0}
.page-offset{padding-top:70px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:inherit;transition:.2s}
.brand:hover{transform:translateY(-1px)}
.brand-logo{height:40px;width:auto;mix-blend-mode:multiply}
.brand-name{display:none}

.main-nav{display:flex;gap:20px;align-items:center}
.main-nav a{color:var(--ink);text-decoration:none;font-weight:600;transition:all .2s;position:relative}
.main-nav a:not(.nav-custom):hover{color:var(--green)}
.main-nav a:not(.nav-custom)::after{content:"";position:absolute;bottom:-4px;left:0;right:0;height:2px;background:var(--green);transform:scaleX(0);transition:transform .2s}
.main-nav a:not(.nav-custom):hover::after{transform:scaleX(1)}
.nav-custom{background:linear-gradient(135deg, var(--gold), #e2c77a);color:white !important;padding:8px 16px;border-radius:20px;font-weight:700;font-size:14px;box-shadow:0 4px 12px rgba(199,161,81,.3)}
.nav-custom:hover{transform:translateY(-1px);box-shadow:0 6px 16px rgba(199,161,81,.4);color:white !important}
.menu-toggle{display:none;border:0;background:transparent;font-size:24px;cursor:pointer}

/* Hero */
.hero{padding:80px 0;background:#ffffff}
.hero-inner{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.hero h1{font-family:Poppins, Inter, sans-serif;font-weight:700;font-size:48px;margin:0 0 16px;line-height:1.2;color:var(--ink)}
.hero p{font-size:20px;line-height:1.6;margin:0 0 32px;color:#555}
.cta{display:flex;gap:16px;flex-wrap:wrap}
.trust{margin-top:24px;font-size:15px;color:#666}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:12px;padding:14px 28px;font-weight:600;text-decoration:none;border:2px solid transparent;transition:all .3s cubic-bezier(0.4, 0, 0.2, 1);position:relative;overflow:hidden;font-size:15px;letter-spacing:0.3px;cursor:pointer}
.btn::before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg, transparent, rgba(255,255,255,.2), transparent);transition:left .6s}
.btn:hover::before{left:100%}
.btn-primary{background:linear-gradient(135deg, #3FA06C, #2e8257);color:white;box-shadow:0 8px 32px rgba(63,160,108,.3);border:none;font-weight:700}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 40px rgba(63,160,108,.4);filter:brightness(1.05)}
.btn-ghost{background:transparent;color:var(--green);border:2px solid var(--green);font-weight:600}
.btn-ghost:hover{background:var(--green);color:white;transform:translateY(-1px);box-shadow:0 8px 24px rgba(63,160,108,.2)}
.btn-lg{padding:16px 36px;font-size:17px;font-weight:700}

/* Hero Art */
.hero-art{position:relative;height:400px;display:flex;align-items:center;justify-content:center}
.hero-demo-container{position:relative;width:100%;max-width:550px;aspect-ratio:16/9;overflow:hidden;border-radius:16px;box-shadow:0 12px 40px rgba(0,0,0,.15)}
.hero-demo-gif{width:103%;height:103%;object-fit:cover;display:block;position:absolute;top:50%;left:50%;transform:translate(-50%, -50%)}

/* Sections */
.section{padding:80px 0}
.section-head{margin-bottom:48px;text-align:center}
.section h2{font-family:Poppins, Inter, sans-serif;font-weight:700;margin:0 0 12px;font-size:36px;color:var(--ink)}
.section-head p{font-size:18px;color:#666;max-width:700px;margin:0 auto}
.grid{display:grid;gap:24px}
.grid.three{grid-template-columns:repeat(3,1fr)}
.grid.four{grid-template-columns:repeat(4,1fr)}
.grid.five{grid-template-columns:repeat(5,1fr)}

/* Gradient banner */
.gradient-banner{background:linear-gradient(135deg, var(--green), #2e8257);padding:80px 0;color:white;position:relative;overflow:hidden}
.gradient-banner::before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(45deg, rgba(255,255,255,.1) 0%, transparent 50%, rgba(255,255,255,.1) 100%);pointer-events:none}
.banner-content{text-align:center;position:relative;z-index:1;max-width:900px;margin:0 auto}
.banner-content h2{margin:0 0 20px 0;font-size:38px;font-weight:700;font-family:Poppins, Inter, sans-serif}
.banner-content p{margin:0;font-size:18px;opacity:.95;line-height:1.7}

/* Products Section - New Tab Design */
.products{background:#fff}
.tab-titles{display:flex;gap:0;margin-bottom:48px;border-bottom:2px solid rgba(0,0,0,.08);justify-content:center}
.tab-title{background:none;border:none;padding:20px 32px;cursor:pointer;border-bottom:4px solid transparent;transition:.3s;position:relative}
.tab-title h3{margin:0;font-size:20px;font-weight:600;color:#666;transition:.3s}
.tab-title.active{border-bottom-color:var(--green)}
.tab-title.active h3{color:var(--green)}
.tab-title:hover h3{color:var(--green)}

.product-showcase{position:relative;min-height:600px}
.product-detail{display:none;opacity:0;animation:fadeIn 0.6s ease-out forwards}
.product-detail.active{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start}

.product-visual{position:relative;display:flex;flex-direction:column;gap:24px}
.product-image-container{position:relative;width:100%;aspect-ratio:16/9;background:#f8f9fa;overflow:hidden;border-radius:16px;box-shadow:0 8px 32px rgba(0,0,0,0.1)}
.product-image{width:100%;height:100%;display:flex;align-items:center;justify-content:center;background-size:contain;background-position:center;background-repeat:no-repeat}
.product-image[style*="demo_aziendale.gif"],
.product-image[style*="demo_personale.gif"]{background-size:103%;background-position:center center}

.product-price-free{margin-top:24px;display:flex;flex-direction:column;gap:16px}
.price-label-free{font-size:15px;color:#666;margin:0}
.price-original-free{text-decoration:line-through;color:#999;font-size:16px;margin-left:8px}
.price-main-free{display:flex;align-items:center;gap:16px;margin:8px 0}
.price-current-free{font-size:52px;font-weight:700;color:var(--green);line-height:1;font-family:'Georgia', 'Times New Roman', serif;letter-spacing:-1px}
.price-discount-free{font-size:18px;color:#fff;background:linear-gradient(135deg, #ff6b6b, #ee5a24);padding:10px 20px;border-radius:24px;font-weight:700;white-space:nowrap;box-shadow:0 6px 20px rgba(255,107,107,0.5);letter-spacing:0.5px}
.image-nav{position:absolute;top:0;left:0;right:0;bottom:0;display:flex;align-items:center;justify-content:space-between;padding:16px;opacity:0;transition:.3s}
.product-image-container:hover .image-nav{opacity:1}
.nav-btn{background:rgba(255,255,255,.95);border:1px solid rgba(0,0,0,.1);border-radius:50%;width:44px;height:44px;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:22px;font-weight:bold;color:var(--ink);transition:.2s;box-shadow:0 4px 12px rgba(0,0,0,.1)}
.nav-btn:hover{background:var(--green);color:white;border-color:var(--green);transform:scale(1.1)}

.product-info{display:flex;flex-direction:column;gap:24px}
.product-info h3{font-family:Poppins, Inter, sans-serif;font-size:32px;font-weight:700;color:var(--ink);margin:0}
.product-subtitle{font-size:16px;color:#666;font-style:italic;margin:-16px 0 24px 0}
.product-description{display:flex;flex-direction:column;gap:16px}
.product-description p{font-size:16px;line-height:1.8;color:#555;margin:0;text-align:justify}
.product-price-free .btn{margin-top:8px;width:100%}

/* Custom Support Section */
.custom-support{background:linear-gradient(135deg, var(--gold), #e2c77a);color:white;position:relative;overflow:hidden}
.custom-support::before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;opacity:0.3;pointer-events:none}
.custom-support-content{position:relative;z-index:1;display:grid;grid-template-columns:1.3fr 1fr;gap:64px;align-items:start}
.custom-support-left{display:flex;flex-direction:column;gap:32px}
.custom-support-left h2{font-family:Poppins, Inter, sans-serif;font-size:38px;font-weight:700;margin:0;color:white}
.custom-support-left p{font-size:18px;line-height:1.7;margin:0;opacity:0.95}
.custom-support-right{display:flex;align-items:center}
.custom-features-compact{display:flex;flex-direction:column;gap:16px;background:rgba(255,255,255,0.1);backdrop-filter:blur(10px);border-radius:16px;padding:28px;border:1px solid rgba(255,255,255,0.15);width:100%}
.compact-feature{display:flex;gap:16px;align-items:center;padding:16px 0;border-bottom:1px solid rgba(255,255,255,0.12);text-align:left}
.compact-feature:last-child{border-bottom:none}
.compact-icon{font-size:36px;width:48px;height:48px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.compact-feature strong{display:block;font-size:16px;font-weight:700;color:white;margin-bottom:4px}
.compact-feature p{margin:0;font-size:14px;line-height:1.5;color:rgba(255,255,255,0.85)}
.custom-cta-left{text-align:left;display:flex;flex-direction:column;align-items:flex-start}
.custom-cta-left .btn{box-shadow:0 12px 40px rgba(0,0,0,0.3);background:linear-gradient(135deg, #ff6b6b, #ee5a24);border:none}
.custom-cta-left .btn:hover{transform:translateY(-3px);box-shadow:0 16px 50px rgba(0,0,0,0.4)}
.custom-support-note{margin-top:32px;font-size:15px;opacity:0.9;font-style:italic;color:white}

/* How it works */
.how-it-works{background:linear-gradient(180deg, #fff, var(--paper))}
.card-step{background:#fff;border:1px solid rgba(0,0,0,.06);border-radius:16px;padding:36px;box-shadow:var(--shadow);text-align:center;transition:.3s;position:relative;overflow:hidden}
.card-step:hover{transform:translateY(-4px);box-shadow:0 16px 48px rgba(0,0,0,.12)}
.step-number{width:56px;height:56px;background:linear-gradient(135deg, var(--green), #2e8257);color:white;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:28px;font-weight:700;margin:0 auto 20px;font-family:Poppins, Inter, sans-serif}
.card-step h3{margin:0 0 12px;font-family:Poppins, Inter, sans-serif;font-size:22px;font-weight:700}
.card-step p{margin:0;color:#666;font-size:15px;line-height:1.6}
.how-it-works-extra{margin-top:48px;text-align:center;padding:36px;background:linear-gradient(135deg, #e8f5e9, #c8e6c9);border:2px solid rgba(63,160,108,.2);border-radius:16px;box-shadow:0 8px 24px rgba(63,160,108,.15)}
.how-it-works-extra .extra-title{font-size:22px;color:var(--ink);margin:0 0 16px 0;font-weight:700;font-family:Poppins, Inter, sans-serif}
.how-it-works-extra p{font-size:16px;color:#555;line-height:1.7;margin:0}
.extra-emphasis{color:var(--green);font-size:17px;font-weight:700}

/* Features */
.features{background:#fff}
.features .grid.four{grid-template-columns:repeat(auto-fit, minmax(220px, 1fr))}
.feature-card{background:linear-gradient(180deg,#ffffff,#f7fbf9);border:1px solid rgba(0,0,0,.06);padding:32px;border-radius:16px;text-align:center;transition:.3s;box-shadow:0 4px 12px rgba(0,0,0,.04)}
.feature-card:hover{transform:translateY(-4px);box-shadow:0 12px 32px rgba(0,0,0,.1)}
.feature-icon{font-size:48px;margin-bottom:16px}
.feature-card h3{margin:0 0 12px;font-family:Poppins, Inter, sans-serif;font-size:18px;font-weight:700;color:var(--ink)}
.feature-card p{margin:0;color:#666;font-size:14px;line-height:1.6}

/* Testimonials */
.testimonials{background:linear-gradient(180deg, var(--paper), #fff)}
.testimonials-rating-badge{display:flex;align-items:center;justify-content:center;gap:12px;margin-top:16px;padding:12px 24px;background:linear-gradient(135deg, #FFB800, #FFA500);border-radius:24px;display:inline-flex;box-shadow:0 4px 16px rgba(255,184,0,.3)}
.rating-stars{color:white;font-size:20px;letter-spacing:2px}
.rating-text{color:white;font-weight:700;font-size:16px}
.testimonials-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin-bottom:48px}
.testimonial-card{background:#fff;border:1px solid rgba(0,0,0,.06);border-radius:16px;padding:28px;box-shadow:0 4px 16px rgba(0,0,0,.06);transition:.3s;position:relative}
.testimonial-card:hover{transform:translateY(-4px);box-shadow:0 12px 32px rgba(0,0,0,.12)}
.testimonial-avatar{width:56px;height:56px;border-radius:50%;background:linear-gradient(135deg, var(--green), #2e8257);color:white;display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:700;margin-bottom:16px;font-family:Poppins, Inter, sans-serif}
.testimonial-rating{color:#FFB800;font-size:18px;margin-bottom:16px;letter-spacing:2px}
.testimonial-text{font-size:15px;line-height:1.7;color:#555;margin:0 0 20px;font-style:italic}
.testimonial-author{display:flex;flex-direction:column;gap:4px;font-size:14px}
.testimonial-author strong{color:var(--ink);font-weight:600}
.testimonial-country{color:#666;font-size:13px}
.testimonial-badge{display:inline-block;background:linear-gradient(135deg, var(--green), #2e8257);color:white;padding:4px 10px;border-radius:12px;font-size:11px;font-weight:600;margin-top:4px;align-self:flex-start}
.testimonials-cta{text-align:center}

/* About Section */
.about-section{background:#fff;padding-top:48px}
.about-content{display:grid;grid-template-columns:0.8fr 1.2fr;gap:64px;align-items:center}
.about-visual{display:flex;justify-content:center}
.about-photo-placeholder{width:280px;height:280px;border-radius:50%;background:linear-gradient(135deg, #e9ecef, #dee2e6);display:flex;flex-direction:column;align-items:center;justify-content:center;box-shadow:0 12px 48px rgba(0,0,0,.1);border:4px solid white}
.placeholder-icon{font-size:80px;opacity:0.5}
.placeholder-text{font-size:14px;color:#666;margin-top:12px;font-style:italic}
.about-text h2{font-family:Poppins, Inter, sans-serif;font-size:36px;font-weight:700;margin:0 0 24px;color:var(--ink)}
.about-text p{font-size:17px;line-height:1.8;color:#555;margin:0 0 20px;text-align:justify}
.about-cta{margin-top:32px}

/* Newsletter CTA */
.newsletter-cta .banner-content{max-width:800px}
.newsletter-cta h2 em{font-style:italic;font-weight:400}
.newsletter-privacy{margin:16px 0 8px 0;font-size:14px;opacity:0.9}
.newsletter-spacer{height:32px}
.newsletter-form{margin-top:0;display:flex;gap:16px;justify-content:center;flex-wrap:wrap;align-items:center}
.newsletter-form input[type="email"]{padding:16px 20px;border-radius:12px;border:2px solid rgba(255,255,255,.3);min-width:320px;font-size:16px;font-family:Inter,sans-serif;background:rgba(255,255,255,.95);transition:.3s}
.newsletter-form input[type="email"]:focus{outline:none;border-color:white;box-shadow:0 0 0 4px rgba(255,255,255,.2)}

/* Contact */
.contact{background:linear-gradient(180deg, #fff, var(--paper))}
.contact-emphasis-large{color:var(--green);font-size:22px;font-weight:700;margin:16px 0 0 0;font-family:Poppins, Inter, sans-serif}
.contact-form{display:grid;grid-template-columns:1fr 1fr;gap:16px;max-width:700px;margin:32px auto 0}
.contact-form textarea{grid-column:1/-1}
.contact-form input,.contact-form textarea{padding:14px 18px;border-radius:12px;border:1px solid rgba(0,0,0,.12);font:inherit;font-size:15px;transition:.3s}
.contact-form input:focus,.contact-form textarea:focus{outline:none;border-color:var(--green);box-shadow:0 0 0 3px rgba(63,160,108,.1)}
.contact-form button{grid-column:1/-1}

/* Footer */
.site-footer{padding:32px 0;border-top:1px solid rgba(0,0,0,.06);background:#ffffff}
.footer-inner{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:20px}
.footer-inner .brand{font-size:14px;color:#666}
.footer-inner .links{display:flex;gap:20px}
.footer-inner a{color:var(--ink);text-decoration:none;font-weight:500;transition:.2s}
.footer-inner a:hover{color:var(--green)}

/* Responsive */
@media (max-width: 1024px){
  .hero-inner{grid-template-columns:1fr;gap:40px}
  .hero-art{height:300px}
  .hero-demo-container{max-width:500px}
  .product-detail.active{grid-template-columns:1fr;gap:40px}
  .product-visual{gap:16px}
  .custom-support-content{grid-template-columns:1fr;gap:32px}
  .custom-support-left{align-items:center;text-align:center}
  .custom-support-right{justify-content:center}
  .custom-features-compact{gap:12px}
  .custom-cta-left{align-items:center;text-align:center}
  .about-content{grid-template-columns:1fr;gap:40px;text-align:center}
  .about-visual{justify-content:center}
  .testimonials-grid{grid-template-columns:repeat(2,1fr)}
  .grid.four{grid-template-columns:repeat(2,1fr)}
  .grid.five{grid-template-columns:repeat(2,1fr)}
}

@media (max-width: 768px){
  .hero h1{font-size:36px}
  .hero p{font-size:18px}
  .section h2{font-size:28px}
  .banner-content h2{font-size:28px}
  .banner-content p{font-size:16px}
  .gradient-banner{padding:60px 0}
  .section{padding:60px 0}
  .tab-titles{flex-wrap:wrap;gap:8px;justify-content:flex-start}
  .tab-title{padding:14px 20px}
  .tab-title h3{font-size:16px}
  .product-image-container{height:400px}
  .product-info{padding:0 20px}
  .product-info h3{font-size:26px}
  .product-description{padding:0}
  .grid.three{grid-template-columns:1fr}
  .testimonials-grid{grid-template-columns:1fr}
  .grid.four{grid-template-columns:1fr}
  .grid.five{grid-template-columns:1fr}
  .contact-form{grid-template-columns:1fr}
  .newsletter-form{flex-direction:column}
  .newsletter-form input[type="email"]{min-width:100%;width:100%}
  .how-it-works-extra{padding:24px}
}

@media (max-width: 640px){
  .main-nav{display:none;position:absolute;right:4%;top:60px;background:#ffffff;border:1px solid rgba(0,0,0,.08);border-radius:12px;padding:10px 12px;flex-direction:column;gap:10px;box-shadow:var(--shadow)}
  .main-nav a{color:var(--ink)}
  .nav-custom{background:linear-gradient(135deg, var(--gold), #e2c77a);color:white !important;padding:10px 16px;border-radius:8px;font-weight:700;text-align:center}
  .menu-toggle{display:inline-block}
  .hero h1{font-size:28px}
  .hero-art{height:220px}
  .hero-demo-container{max-width:100%}
  .cta{flex-direction:column;width:100%}
  .cta .btn{width:100%;justify-content:center}
  .product-info{padding:0 16px}
  .product-description{padding:0}
}