:root{
  --primary-blue:#0066FF;
  --primary-blue-dark:#0052CC;
  --primary-blue-light:#E6F0FF;
  --secondary-green:#00D084;
  --secondary-purple:#8B5CF6;
  --accent-orange:#FF6B35;
  --dark:#0F172A;
  --gray-900:#1E293B;
  --gray-800:#334155;
  --gray-700:#475569;
  --gray-600:#64748B;
  --gray-300:#CBD5E1;
  --gray-200:#E2E8F0;
  --gray-100:#F1F5F9;
  --white:#FFFFFF;
  --gradient-primary:linear-gradient(135deg,#0066FF 0%,#00D084 100%);
  --gradient-secondary:linear-gradient(135deg,#8B5CF6 0%,#EC4899 100%);
}

*{margin:0;padding:0;box-sizing:border-box;}

body{
  font-family:'Plus Jakarta Sans',-apple-system,BlinkMacSystemFont,sans-serif;
  color:var(--dark);
  line-height:1.6;
  overflow-x:hidden;
  background:var(--white);
  -webkit-font-smoothing:antialiased;
}

a{color:inherit;}

.navbar{
  position:fixed;
  top:0;
  width:100%;
  background:rgba(255,255,255,0.98);
  backdrop-filter:blur(20px);
  border-bottom:1px solid var(--gray-200);
  z-index:1000;
  transition:all 0.3s ease;
}

.navbar.scrolled{box-shadow:0 4px 24px rgba(0,0,0,0.06);}

.nav-container{
  max-width:1400px;
  margin:0 auto;
  padding:1.25rem 2rem;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:1rem;
}

.logo{display:flex;align-items:center;gap:0.75rem;text-decoration:none;}

.logo-text{
  font-family:'Inter',sans-serif;
  font-size:1.5rem;
  font-weight:900;
  letter-spacing:-0.5px;
  display:inline-flex;
  align-items:baseline;
}

.brand-logo{
  display:inline-block;
  background:linear-gradient(135deg, #8BE9FF 0%, #1A73FF 45%, #0037FF 100%);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  -webkit-text-fill-color:transparent;
}

.brand-n2n{
  display:inline-block;
  background:linear-gradient(135deg, #8BE9FF 0%, #1A73FF 45%, #0037FF 100%);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  -webkit-text-fill-color:transparent;
}

.brand-commerce{
  display:inline-block;
  background:linear-gradient(135deg, #8BE9FF 0%, #1A73FF 45%, #0037FF 100%);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  -webkit-text-fill-color:transparent;
}

.nav-menu{display:flex;gap:3rem;list-style:none;align-items:center;}

.nav-menu a{
  text-decoration:none;
  color:var(--gray-800);
  font-weight:600;
  font-size:0.95rem;
  transition:color 0.3s;
  position:relative;
}

.nav-menu a:hover{color:var(--primary-blue);}

.nav-menu a::after{
  content:'';
  position:absolute;
  bottom:-4px;
  left:0;
  width:0;
  height:2px;
  background:var(--primary-blue);
  transition:width 0.3s;
}

.nav-menu a:hover::after{width:100%;}

.cta-nav{
  background:var(--primary-blue);
  color:white;
  padding:0.75rem 1.75rem;
  border-radius:12px;
  font-weight:700;
  text-decoration:none;
  transition:all 0.3s;
  box-shadow:0 4px 12px rgba(0,102,255,0.3);
  white-space:nowrap;
}

.cta-nav:hover{
  background:var(--primary-blue-dark);
  transform:translateY(-2px);
  box-shadow:0 6px 16px rgba(0,102,255,0.4);
}

.nav-toggle{
  display:none;
  border:1px solid var(--gray-200);
  background:white;
  width:44px;
  height:44px;
  border-radius:12px;
  align-items:center;
  justify-content:center;
  cursor:pointer;
}

.nav-toggle-lines{display:flex;flex-direction:column;gap:4px;}

.nav-toggle-lines span{display:block;width:18px;height:2px;background:var(--gray-800);border-radius:2px;}

.mobile-nav{
  position:fixed;
  inset:0;
  z-index:1200;
  pointer-events:none;
}

.mobile-nav-overlay{
  position:absolute;
  inset:0;
  background:rgba(15,23,42,0.45);
  opacity:0;
  transition:opacity 0.25s ease;
}

.mobile-nav-panel{
  position:absolute;
  top:0;
  right:0;
  width:min(92vw,420px);
  height:100%;
  background:white;
  transform:translateX(100%);
  transition:transform 0.25s ease;
  padding:18px;
  display:flex;
  flex-direction:column;
  gap:14px;
}

.mobile-nav-top{display:flex;align-items:center;justify-content:space-between;gap:12px;}

.mobile-nav-close{
  border:none;
  background:transparent;
  font-size:44px;
  line-height:1;
  width:52px;
  height:52px;
  border-radius:14px;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--gray-800);
}

.mobile-nav-links{list-style:none;display:flex;flex-direction:column;gap:10px;margin-top:6px;}

.mobile-nav-links a{
  display:block;
  padding:12px 12px;
  border-radius:14px;
  text-decoration:none;
  font-weight:700;
  color:var(--gray-900);
  border:1px solid var(--gray-200);
}

.mobile-nav-links a:hover{border-color:var(--primary-blue);color:var(--primary-blue);}

.mobile-nav-cta{margin-top:auto;display:flex;flex-direction:column;gap:12px;}

.mobile-nav-cta .cta-nav{width:100%;text-align:center;}

body.nav-open .mobile-nav{pointer-events:auto;}
body.nav-open .mobile-nav-overlay{opacity:1;}
body.nav-open .mobile-nav-panel{transform:translateX(0);}

.hero{
  margin-top:85px;
  padding:5rem 2rem 4rem;
  background:linear-gradient(135deg,var(--primary-blue) 0%,var(--secondary-green) 100%);
  position:relative;
  overflow:hidden;
}

.hero::before{
  content:'';
  position:absolute;
  top:-200px;
  right:-200px;
  width:600px;
  height:600px;
  background:radial-gradient(circle,rgba(0,208,132,0.15) 0%,transparent 70%);
  border-radius:50%;
}

.hero-container{
  max-width:1400px;
  margin:0 auto;
  display:grid;
  grid-template-columns:1.1fr 0.9fr;
  gap:4rem;
  align-items:center;
  position:relative;
  z-index:1;
}

.hero-content{animation:fadeInUp 0.8s ease-out;}

@keyframes fadeInUp{from{opacity:0;transform:translateY(30px);}to{opacity:1;transform:translateY(0);}}

.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:0.5rem;
  background:white;
  padding:0.5rem 1.25rem;
  border-radius:100px;
  font-size:0.85rem;
  font-weight:700;
  color:var(--primary-blue);
  margin-bottom:1.5rem;
  box-shadow:0 2px 8px rgba(0,0,0,0.06);
}

.hero-badge::before{content:'🚀';font-size:1rem;}

.hero h1{
  font-family:'Inter',sans-serif;
  font-size:4.5rem;
  font-weight:900;
  line-height:1.1;
  letter-spacing:-2px;
  margin-bottom:1.5rem;
  color:var(--white);
}

.hero h1 .highlight{
  color:var(--white);
  -webkit-text-fill-color:var(--white);
  text-shadow:0 6px 18px rgba(0,0,0,0.25);
}

.hero-description{
  font-size:1.35rem;
  color:rgba(255,255,255,0.85);
  line-height:1.7;
  margin-bottom:2.5rem;
  max-width:580px;
}

.hero-ctas{display:flex;gap:1rem;flex-wrap:wrap;align-items:center;}

.btn-primary{
  background:var(--primary-blue);
  color:white;
  padding:1.25rem 2.5rem;
  border-radius:14px;
  font-weight:700;
  font-size:1.05rem;
  text-decoration:none;
  display:inline-flex;
  align-items:center;
  gap:0.75rem;
  transition:all 0.3s;
  box-shadow:0 8px 24px rgba(0,102,255,0.35);
}

.btn-primary:hover{
  background:var(--primary-blue-dark);
  transform:translateY(-3px);
  box-shadow:0 12px 32px rgba(0,102,255,0.45);
}

.btn-secondary{
  background:white;
  color:var(--gray-800);
  padding:1.25rem 2.5rem;
  border-radius:14px;
  font-weight:700;
  font-size:1.05rem;
  text-decoration:none;
  display:inline-flex;
  align-items:center;
  gap:0.75rem;
  transition:all 0.3s;
  border:2px solid var(--gray-300);
}

.btn-secondary:hover{
  border-color:var(--primary-blue);
  color:var(--primary-blue);
  transform:translateY(-3px);
  box-shadow:0 8px 20px rgba(0,0,0,0.08);
}

.hero-trust{margin-top:3rem;padding-top:2rem;border-top:1px solid var(--gray-300);}

.hero-trust p{font-size:0.9rem;color:rgba(255,255,255,0.75);margin-bottom:1rem;font-weight:600;}

.trust-stats{display:flex;gap:2.5rem;flex-wrap:wrap;}

.trust-stat{display:flex;flex-direction:column;}

.trust-stat-number{
  font-family:'Inter',sans-serif;
  font-size:2rem;
  font-weight:900;
  color:var(--white);
  line-height:1;
}

.trust-stat-label{font-size:0.85rem;color:rgba(255,255,255,0.75);margin-top:0.25rem;}

.hero-visual{position:relative;animation:fadeInRight 0.8s ease-out 0.2s both;}

@keyframes fadeInRight{from{opacity:0;transform:translateX(30px);}to{opacity:1;transform:translateX(0);}}

.visual-card{
  background:white;
  border-radius:24px;
  padding:1.25rem;
  box-shadow:0 20px 60px rgba(0,0,0,0.12);
  position:relative;
}

.hero-eco-image{
  width:100%;
  height:auto;
  display:block;
  border-radius:16px;
  object-fit:contain;
}

.hero-eco-border{
  padding:1px;
  border-radius:17px;
  background:linear-gradient(135deg, rgba(255,255,255,0.45) 0%, rgba(255,255,255,0.18) 100%);
}

.visual-card::before{
  content:'';
  position:absolute;
  top:-2px;
  left:-2px;
  right:-2px;
  bottom:-2px;
  background:var(--gradient-primary);
  border-radius:24px;
  z-index:-1;
  opacity:0.15;
}

.products-section{padding:6rem 2rem;background:white;}

.section-header{max-width:800px;margin:0 auto 5rem;text-align:center;}

.section-label{
  display:inline-block;
  background:var(--primary-blue-light);
  color:var(--primary-blue);
  padding:0.5rem 1.25rem;
  border-radius:100px;
  font-size:0.85rem;
  font-weight:800;
  text-transform:uppercase;
  letter-spacing:1px;
  margin-bottom:1.5rem;
}

.section-title{
  font-family:'Inter',sans-serif;
  font-size:3.5rem;
  font-weight:900;
  line-height:1.15;
  letter-spacing:-1.5px;
  margin-bottom:1.5rem;
  color:var(--dark);
}

.section-description{font-size:1.25rem;color:var(--gray-700);line-height:1.7;}

.products-grid{
  max-width:1400px;
  margin:0 auto;
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:2.5rem;
}

.product-card{
  background:white;
  border-radius:28px;
  padding:3rem;
  border:2px solid var(--gray-200);
  transition:all 0.4s cubic-bezier(0.4,0,0.2,1);
  position:relative;
  overflow:hidden;
}

.product-card::before{
  content:'';
  position:absolute;
  top:0;
  left:0;
  width:100%;
  height:6px;
  background:var(--gradient-primary);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform 0.4s cubic-bezier(0.4,0,0.2,1);
}

.product-card:hover::before{transform:scaleX(1);}

.product-card:hover{
  border-color:var(--primary-blue);
  transform:translateY(-8px);
  box-shadow:0 24px 48px rgba(0,102,255,0.15);
}

.product-card.mybooks::before{background:var(--gradient-secondary);}

.product-card.mybooks:hover{border-color:var(--secondary-purple);box-shadow:0 24px 48px rgba(139,92,246,0.15);}

.product-header{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:2rem;}

.product-icon{
  width:90px;
  height:90px;
  background:var(--gradient-primary);
  border-radius:22px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:3rem;
  box-shadow:0 8px 20px rgba(0,102,255,0.3);
  animation:pulse 3s ease-in-out infinite;
}

.product-card.mybooks .product-icon{background:var(--gradient-secondary);box-shadow:0 8px 20px rgba(139,92,246,0.3);}

.product-badge{
  background:var(--primary-blue-light);
  color:var(--primary-blue);
  padding:0.5rem 1rem;
  border-radius:100px;
  font-size:0.75rem;
  font-weight:800;
  text-transform:uppercase;
  letter-spacing:0.5px;
}

.product-card.mybooks .product-badge{background:#F3E8FF;color:var(--secondary-purple);}

.product-title{
  font-family:'Inter',sans-serif;
  font-size:2.5rem;
  font-weight:900;
  margin-bottom:0.75rem;
  letter-spacing:-1px;
  color:var(--dark);
}

.product-tagline{font-size:1.2rem;color:var(--gray-600);margin-bottom:2rem;line-height:1.5;}

.product-features{list-style:none;margin-bottom:2.5rem;}

.product-features li{
  padding:1rem 0;
  color:var(--gray-800);
  font-size:1.05rem;
  display:flex;
  align-items:flex-start;
  gap:1rem;
  border-bottom:1px solid var(--gray-200);
  font-weight:500;
}

.product-features li:last-child{border-bottom:none;}

.product-features li::before{
  content:'✓';
  flex-shrink:0;
  width:28px;
  height:28px;
  background:var(--primary-blue-light);
  color:var(--primary-blue);
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  font-weight:900;
  font-size:0.9rem;
}

.product-card.mybooks .product-features li::before{background:#F3E8FF;color:var(--secondary-purple);}

.product-cta{
  display:inline-flex;
  align-items:center;
  gap:0.75rem;
  background:var(--primary-blue);
  color:white;
  padding:1rem 2rem;
  border-radius:12px;
  text-decoration:none;
  font-weight:700;
  font-size:1.05rem;
  transition:all 0.3s;
  box-shadow:0 4px 12px rgba(0,102,255,0.3);
}

.product-cta:hover{transform:translateX(4px);box-shadow:0 6px 16px rgba(0,102,255,0.4);}

.product-card.mybooks .product-cta{background:var(--secondary-purple);box-shadow:0 4px 12px rgba(139,92,246,0.3);}

.product-card.mybooks .product-cta:hover{box-shadow:0 6px 16px rgba(139,92,246,0.4);}

.value-props{padding:6rem 2rem;background:linear-gradient(180deg,var(--gray-100) 0%,var(--white) 100%);}

.value-grid{max-width:1400px;margin:0 auto;display:grid;grid-template-columns:repeat(3,1fr);gap:2.5rem;}

.value-card{background:white;padding:2.5rem;border-radius:20px;border:1px solid var(--gray-200);transition:all 0.3s;}

.value-card:hover{transform:translateY(-6px);box-shadow:0 16px 32px rgba(0,0,0,0.08);border-color:var(--primary-blue);}

.value-icon{width:70px;height:70px;background:var(--primary-blue-light);border-radius:18px;display:flex;align-items:center;justify-content:center;font-size:2rem;margin-bottom:1.5rem;}

.value-card h3{font-family:'Inter',sans-serif;font-size:1.5rem;font-weight:800;margin-bottom:1rem;color:var(--dark);}

.value-card p{color:var(--gray-700);line-height:1.7;font-size:1.05rem;}

.integration-section{
  padding:6rem 2rem;
  background:var(--dark);
  color:white;
  position:relative;
  overflow:hidden;
}

.integration-section::before{
  content:'';
  position:absolute;
  top:0;
  left:0;
  width:100%;
  height:100%;
  background:url('data:image/svg+xml,<svg width="60" height="60" xmlns="http://www.w3.org/2000/svg"><circle cx="30" cy="30" r="1" fill="rgba(255,255,255,0.1)"/></svg>');
  opacity:0.4;
}

.integration-content{
  max-width:1400px;
  margin:0 auto;
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:5rem;
  align-items:center;
}

.integration-text h2{
  font-family:'Inter',sans-serif;
  font-size:3.5rem;
  font-weight:900;
  line-height:1.15;
  margin-bottom:1.5rem;
  letter-spacing:-1.5px;
}

.integration-text h2 .highlight{
  background:var(--gradient-primary);
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
}

.integration-text p{font-size:1.25rem;line-height:1.7;color:rgba(255,255,255,0.8);margin-bottom:2.5rem;}

.integration-features{list-style:none;margin-bottom:2.5rem;}

.integration-features li{padding:1rem 0;display:flex;align-items:center;gap:1rem;font-size:1.1rem;font-weight:600;}

.integration-features li::before{content:'→';color:var(--secondary-green);font-size:1.5rem;font-weight:900;}

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

.integration-card{
  background:rgba(255,255,255,0.1);
  backdrop-filter:blur(10px);
  border:1px solid rgba(255,255,255,0.2);
  border-radius:16px;
  padding:2rem;
  transition:all 0.3s;
}

.integration-card:hover{background:rgba(255,255,255,0.15);transform:translateY(-4px);}

.integration-card-icon{font-size:2.5rem;margin-bottom:1rem;}

.integration-card h4{font-size:1.2rem;font-weight:700;margin-bottom:0.5rem;}

.integration-card p{font-size:0.95rem;color:rgba(255,255,255,0.7);margin:0;}

.final-cta{
  padding:6rem 2rem;
  background:linear-gradient(135deg,var(--primary-blue) 0%,var(--secondary-green) 100%);
  color:white;
  text-align:center;
  position:relative;
  overflow:hidden;
}

.final-cta::before{
  content:'';
  position:absolute;
  top:-50%;
  right:-20%;
  width:600px;
  height:600px;
  background:radial-gradient(circle,rgba(255,255,255,0.15) 0%,transparent 70%);
  border-radius:50%;
}

.final-cta-content{max-width:900px;margin:0 auto;position:relative;z-index:1;}

.final-cta h2{
  font-family:'Inter',sans-serif;
  font-size:3.5rem;
  font-weight:900;
  margin-bottom:1.5rem;
  line-height:1.2;
  letter-spacing:-1.5px;
}

.final-cta p{font-size:1.35rem;margin-bottom:3rem;opacity:0.95;line-height:1.7;}

.final-cta-buttons{display:flex;gap:1.5rem;justify-content:center;flex-wrap:wrap;}

.btn-white{
  background:white;
  color:var(--primary-blue);
  padding:1.25rem 3rem;
  border-radius:14px;
  font-weight:800;
  font-size:1.1rem;
  text-decoration:none;
  display:inline-flex;
  align-items:center;
  gap:0.75rem;
  transition:all 0.3s;
  box-shadow:0 8px 24px rgba(255,255,255,0.3);
}

.btn-white:hover{transform:translateY(-3px);box-shadow:0 12px 32px rgba(255,255,255,0.4);}

footer{background:var(--gray-900);color:white;padding:4rem 2rem 2rem;}

.footer-content{max-width:1400px;margin:0 auto;display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:3rem;margin-bottom:3rem;}

.footer-brand h3{
  font-family:'Inter',sans-serif;
  font-size:1.75rem;
  font-weight:900;
  margin-bottom:1rem;
  background:var(--gradient-primary);
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
}

.footer-brand p{color:rgba(255,255,255,0.7);line-height:1.7;margin-bottom:1.5rem;}

.footer-section h4{font-weight:700;margin-bottom:1.5rem;font-size:1.1rem;}

.footer-links{list-style:none;}

.footer-links li{margin-bottom:0.75rem;}

.footer-links a{color:rgba(255,255,255,0.7);text-decoration:none;transition:color 0.3s;font-weight:500;}

.footer-links a:hover{color:var(--secondary-green);}

.footer-bottom{
  max-width:1400px;
  margin:0 auto;
  padding-top:2rem;
  border-top:1px solid rgba(255,255,255,0.1);
  text-align:center;
  color:rgba(255,255,255,0.6);
  font-size:0.9rem;
}

@media (max-width:1200px){
  .hero-container,.integration-content{grid-template-columns:1fr;text-align:center;}
  .hero-description{max-width:100%;}
  .hero-ctas{justify-content:center;}
  .trust-stats{justify-content:center;}
}

@media (max-width:968px){
  .products-grid,.value-grid{grid-template-columns:1fr;}
  .integration-visual{grid-template-columns:1fr;}
  .footer-content{grid-template-columns:1fr;}
  .hero h1{font-size:3rem;}
  .section-title{font-size:2.5rem;}
  .nav-menu{display:none;}
  .cta-nav{display:none;}
  .nav-toggle{display:flex;}
}

@media (max-width:640px){
  .hero{padding:3.75rem 1.25rem 3.25rem;}
  .hero h1{font-size:2.5rem;}
  .hero-description{font-size:1.15rem;}
  .section-title{font-size:2rem;}
  .product-title{font-size:2rem;}
  .btn-primary,.btn-secondary,.btn-white{width:100%;justify-content:center;}
  .hero-ctas,.final-cta-buttons{flex-direction:column;}
}

@keyframes pulse{0%,100%{transform:scale(1);}50%{transform:scale(1.05);}}