/* ===== CSS Variables ===== */
:root {
  --bg-deep: #0D0F17;
  --bg-surface: #181A25;
  --border-color: #272A3D;
  --accent: #38BDF8;
  --accent-2: #C084FC;
  --accent-3: #34D399;
  --text-primary: #E8EBF2;
  --text-muted: #7B8198;
  --text-heading: #F1F5F9;
  --gradient: linear-gradient(135deg, #38BDF8, #C084FC);
  --gradient-subtle: linear-gradient(135deg, rgba(56,189,248,0.12), rgba(192,132,252,0.12));
  --radius: 12px;
  --radius-sm: 8px;
  --transition: 0.3s ease;
}

/* ===== Reset ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:'Segoe UI',system-ui,-apple-system,sans-serif;font-size:16px;background:var(--bg-deep);color:var(--text-primary);line-height:1.7;overflow-x:hidden}

/* ===== Navbar (CLASS selector only) ===== */
.navbar {
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:rgba(13,15,23,0.92);backdrop-filter:blur(16px);
  border-bottom:1px solid var(--border-color);
  padding:0 24px;height:72px;display:flex;align-items:center;justify-content:space-between;
  transition:var(--transition);
}
.navbar .nav-logo a {
  font-size:1.5rem;font-weight:700;color:var(--text-heading);text-decoration:none;
  letter-spacing:-0.5px;
}
.navbar .nav-logo a span{color:var(--accent)}
.navbar .nav-links{display:flex;list-style:none;gap:32px;align-items:center}
.navbar .nav-links a{
  color:var(--text-muted);text-decoration:none;font-size:0.938rem;font-weight:500;
  transition:var(--transition);position:relative;
}
.navbar .nav-links a:hover,.navbar .nav-links a.active{color:var(--text-primary)}
.navbar .nav-links a::after{
  content:'';position:absolute;bottom:-4px;left:0;width:0;height:2px;
  background:var(--gradient);transition:width var(--transition);
}
.navbar .nav-links a:hover::after,.navbar .nav-links a.active::after{width:100%}
.navbar .nav-cta a{
  background:var(--gradient);color:#fff;padding:10px 24px;border-radius:24px;
  text-decoration:none;font-weight:600;font-size:0.875rem;transition:var(--transition);
  letter-spacing:0.3px;
}
.navbar .nav-cta a:hover{transform:translateY(-1px);box-shadow:0 4px 20px rgba(56,189,248,0.3)}
.navbar .nav-toggle{display:none;flex-direction:column;gap:5px;cursor:pointer;background:none;border:none;padding:4px}
.navbar .nav-toggle span{display:block;width:24px;height:2px;background:var(--text-primary);border-radius:2px;transition:var(--transition)}

/* ===== Hero Section ===== */
.home-hero{position:relative;min-height:100vh;display:flex;align-items:center;justify-content:center;
  text-align:center;padding:120px 24px 80px;overflow:hidden}
.home-hero .hero-bg-glow{
  position:absolute;top:-50%;left:-20%;width:140%;height:200%;
  background:radial-gradient(ellipse at 30% 40%,rgba(56,189,248,0.08) 0%,transparent 60%),
             radial-gradient(ellipse at 70% 50%,rgba(192,132,252,0.06) 0%,transparent 60%),
             radial-gradient(ellipse at 50% 30%,rgba(52,211,153,0.04) 0%,transparent 50%);
  pointer-events:none;
}
.home-hero .hero-content{position:relative;z-index:2;max-width:780px}
.home-hero .hero-badge{
  display:inline-block;padding:8px 20px;border-radius:24px;
  background:var(--gradient-subtle);border:1px solid rgba(56,189,248,0.2);
  color:var(--accent);font-size:0.875rem;font-weight:600;margin-bottom:28px;letter-spacing:0.5px;
}
.home-hero h1{font-size:3.5rem;font-weight:800;line-height:1.15;margin-bottom:20px;color:var(--text-heading);letter-spacing:-1px}
.home-hero h1 .highlight{background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.home-hero p{font-size:1.15rem;color:var(--text-muted);max-width:580px;margin:0 auto 36px;line-height:1.75}
.home-hero .hero-buttons{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.home-hero .btn-primary{
  background:var(--gradient);color:#fff;padding:14px 36px;border-radius:28px;
  text-decoration:none;font-weight:600;font-size:1rem;transition:var(--transition);
  box-shadow:0 4px 24px rgba(56,189,248,0.25);
}
.home-hero .btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 32px rgba(56,189,248,0.35)}
.home-hero .btn-secondary{
  background:transparent;color:var(--text-primary);padding:14px 36px;border-radius:28px;
  text-decoration:none;font-weight:600;font-size:1rem;border:1px solid var(--border-color);
  transition:var(--transition);
}
.home-hero .btn-secondary:hover{background:var(--bg-surface);border-color:var(--accent-2)}
.hero-scroll-indicator{
  position:absolute;bottom:40px;left:50%;transform:translateX(-50%);z-index:2;
  display:flex;flex-direction:column;align-items:center;gap:8px;color:var(--text-muted);
  font-size:0.75rem;letter-spacing:1px;text-transform:uppercase;
}
.hero-scroll-indicator .scroll-line{width:1px;height:40px;background:var(--border-color);overflow:hidden;position:relative}
.hero-scroll-indicator .scroll-line::after{
  content:'';position:absolute;top:0;left:0;width:100%;height:50%;
  background:var(--accent);animation:scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse{0%,100%{transform:translateY(-100%)}50%{transform:translateY(200%)}}

/* ===== About Section ===== */
.home-about{padding:100px 24px;position:relative}
.home-about .container{max-width:1100px;margin:0 auto}
.home-about .section-label{
  display:inline-block;color:var(--accent);font-size:0.813rem;font-weight:600;
  letter-spacing:2px;text-transform:uppercase;margin-bottom:16px;
}
.home-about h2{font-size:2.5rem;font-weight:700;color:var(--text-heading);margin-bottom:20px;letter-spacing:-0.5px}
.home-about .about-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;margin-top:48px}
.home-about .about-text p{color:var(--text-muted);font-size:1.05rem;line-height:1.8;margin-bottom:20px}
.home-about .about-stats{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.home-about .stat-card{
  background:var(--bg-surface);border:1px solid var(--border-color);border-radius:var(--radius);
  padding:32px 24px;text-align:center;transition:var(--transition);
}
.home-about .stat-card:hover{border-color:var(--accent);transform:translateY(-2px)}
.home-about .stat-number{font-size:2.5rem;font-weight:800;background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.home-about .stat-label{color:var(--text-muted);font-size:0.875rem;margin-top:8px}

/* ===== Services Section ===== */
.home-services{padding:100px 24px;background:var(--bg-surface);position:relative}
.home-services::before{
  content:'';position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--border-color),transparent);
}
.home-services .container{max-width:1100px;margin:0 auto}
.home-services .section-label{color:var(--accent-2);font-size:0.813rem;font-weight:600;letter-spacing:2px;text-transform:uppercase;margin-bottom:16px;display:inline-block}
.home-services h2{font-size:2.5rem;font-weight:700;color:var(--text-heading);margin-bottom:20px;letter-spacing:-0.5px}
.home-services .services-intro{color:var(--text-muted);font-size:1.05rem;max-width:600px;margin-bottom:48px}
.home-services .services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.home-services .service-card{
  background:var(--bg-deep);border:1px solid var(--border-color);border-radius:var(--radius);
  padding:36px 28px;transition:var(--transition);position:relative;overflow:hidden;
}
.home-services .service-card:hover{border-color:var(--accent-2);transform:translateY(-4px)}
.home-services .service-icon{
  width:52px;height:52px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;
  margin-bottom:20px;font-size:1.4rem;
}
.home-services .service-icon.blue{background:rgba(56,189,248,0.12);color:var(--accent)}
.home-services .service-icon.purple{background:rgba(192,132,252,0.12);color:var(--accent-2)}
.home-services .service-icon.green{background:rgba(52,211,153,0.12);color:var(--accent-3)}
.home-services .service-card h3{color:var(--text-heading);font-size:1.15rem;font-weight:600;margin-bottom:10px}
.home-services .service-card p{color:var(--text-muted);font-size:0.938rem;line-height:1.7}

/* ===== Features Section ===== */
.home-features{padding:100px 24px;position:relative}
.home-features .container{max-width:1100px;margin:0 auto}
.home-features h2{font-size:2.5rem;font-weight:700;color:var(--text-heading);margin-bottom:48px;text-align:center;letter-spacing:-0.5px}
.home-features .features-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.home-features .feature-item{
  text-align:center;padding:32px 20px;border:1px solid var(--border-color);border-radius:var(--radius);
  background:var(--bg-surface);transition:var(--transition);
}
.home-features .feature-item:hover{border-color:var(--accent);transform:translateY(-3px)}
.home-features .feature-num{font-size:2rem;font-weight:800;color:var(--accent-2);margin-bottom:12px}
.home-features .feature-item h4{color:var(--text-heading);font-size:1rem;font-weight:600;margin-bottom:8px}
.home-features .feature-item p{color:var(--text-muted);font-size:0.875rem;line-height:1.6}

/* ===== CTA Section ===== */
.home-cta{padding:80px 24px;background:var(--bg-surface);position:relative;text-align:center}
.home-cta::before{
  content:'';position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--border-color),transparent);
}
.home-cta .container{max-width:700px;margin:0 auto;position:relative;z-index:2}
.home-cta h2{font-size:2.25rem;font-weight:700;color:var(--text-heading);margin-bottom:16px;letter-spacing:-0.5px}
.home-cta p{color:var(--text-muted);font-size:1.05rem;margin-bottom:32px}
.home-cta .btn-primary{
  background:var(--gradient);color:#fff;padding:14px 40px;border-radius:28px;
  text-decoration:none;font-weight:600;font-size:1rem;display:inline-block;
  transition:var(--transition);box-shadow:0 4px 24px rgba(56,189,248,0.25);
}
.home-cta .btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 32px rgba(56,189,248,0.4)}

/* ===== Contact Section ===== */
.home-contact{padding:100px 24px;position:relative}
.home-contact .container{max-width:1100px;margin:0 auto}
.home-contact .section-label{color:var(--accent);font-size:0.813rem;font-weight:600;letter-spacing:2px;text-transform:uppercase;margin-bottom:16px;display:inline-block}
.home-contact h2{font-size:2.5rem;font-weight:700;color:var(--text-heading);margin-bottom:20px;letter-spacing:-0.5px}
.home-contact .contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;margin-top:40px}
.home-contact .contact-info{display:flex;flex-direction:column;gap:24px}
.home-contact .contact-item{display:flex;align-items:flex-start;gap:16px}
.home-contact .contact-icon{
  width:44px;height:44px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;
  flex-shrink:0;font-size:1.2rem;
}
.home-contact .contact-icon.blue{background:rgba(56,189,248,0.12);color:var(--accent)}
.home-contact .contact-icon.purple{background:rgba(192,132,252,0.12);color:var(--accent-2)}
.home-contact .contact-icon.green{background:rgba(52,211,153,0.12);color:var(--accent-3)}
.home-contact .contact-item h4{color:var(--text-heading);font-size:0.938rem;font-weight:600;margin-bottom:4px}
.home-contact .contact-item p{color:var(--text-muted);font-size:0.875rem}
.home-contact .contact-item a{color:var(--accent);text-decoration:none;transition:var(--transition)}
.home-contact .contact-item a:hover{color:var(--accent-2)}
.home-contact .contact-form{display:flex;flex-direction:column;gap:16px}
.home-contact .form-group{display:flex;flex-direction:column;gap:6px}
.home-contact .form-group label{color:var(--text-muted);font-size:0.813rem;font-weight:500}
.home-contact .form-group input,.home-contact .form-group textarea{
  background:var(--bg-surface);border:1px solid var(--border-color);border-radius:var(--radius-sm);
  padding:14px 16px;color:var(--text-primary);font-size:0.938rem;font-family:inherit;
  transition:var(--transition);outline:none;
}
.home-contact .form-group input:focus,.home-contact .form-group textarea:focus{border-color:var(--accent)}
.home-contact .form-group textarea{resize:vertical;min-height:120px}
.home-contact .btn-submit{
  background:var(--gradient);color:#fff;padding:14px 32px;border-radius:24px;border:none;
  font-weight:600;font-size:0.938rem;cursor:pointer;transition:var(--transition);
  align-self:flex-start;letter-spacing:0.3px;
}
.home-contact .btn-submit:hover{transform:translateY(-2px);box-shadow:0 8px 32px rgba(56,189,248,0.3)}
.home-contact .form-feedback{font-size:0.875rem;margin-top:8px;display:none}
.home-contact .form-feedback.success{color:var(--accent-3);display:block}
.home-contact .form-feedback.error{color:#F87171;display:block}

/* ===== Footer ===== */
.site-footer{padding:48px 24px 32px;background:var(--bg-surface);border-top:1px solid var(--border-color);}
.site-footer .footer-container{max-width:1100px;margin:0 auto}
.site-footer .footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px;margin-bottom:32px}
.site-footer .footer-brand h3{color:var(--text-heading);font-size:1.25rem;font-weight:700;margin-bottom:12px}
.site-footer .footer-brand h3 span{color:var(--accent)}
.site-footer .footer-brand p{color:var(--text-muted);font-size:0.875rem;line-height:1.7}
.site-footer .footer-links h4{color:var(--text-heading);font-size:0.938rem;font-weight:600;margin-bottom:16px}
.site-footer .footer-links ul{list-style:none}
.site-footer .footer-links ul li{margin-bottom:10px}
.site-footer .footer-links ul li a{color:var(--text-muted);text-decoration:none;font-size:0.875rem;transition:var(--transition)}
.site-footer .footer-links ul li a:hover{color:var(--accent)}
.site-footer .footer-bottom{
  border-top:1px solid var(--border-color);padding-top:24px;
  display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px;
}
.site-footer .footer-bottom p{color:var(--text-muted);font-size:0.813rem}

/* ===== Scroll Reveal ===== */
.fade-up{opacity:0;transform:translateY(32px);transition:opacity 0.7s ease,transform 0.7s ease}
.fade-up.visible{opacity:1;transform:translateY(0)}

/* ===== Responsive ===== */
@media(max-width:1024px){
  .home-services .services-grid{grid-template-columns:repeat(2,1fr)}
  .home-features .features-grid{grid-template-columns:repeat(2,1fr)}
  .home-about .about-grid{grid-template-columns:1fr;gap:32px}
}
@media(max-width:768px){
  .navbar .nav-links,.navbar .nav-cta{display:none}
  .navbar .nav-toggle{display:flex}
  .navbar.open{background:var(--bg-deep)}
  .navbar.open .nav-links{display:flex;flex-direction:column;position:absolute;top:72px;left:0;right:0;
    background:var(--bg-deep);padding:24px;gap:16px;border-bottom:1px solid var(--border-color)}
  .navbar.open .nav-cta{display:block;position:absolute;top:calc(72px + 240px);left:0;right:0;padding:0 24px 24px;background:var(--bg-deep)}
  .home-hero h1{font-size:2.2rem}
  .home-hero p{font-size:1rem}
  .home-services .services-grid{grid-template-columns:1fr}
  .home-features .features-grid{grid-template-columns:1fr}
  .home-contact .contact-grid{grid-template-columns:1fr}
  .site-footer .footer-grid{grid-template-columns:1fr;gap:28px}
  .site-footer .footer-bottom{flex-direction:column;text-align:center}
}
@media(max-width:480px){
  .home-hero h1{font-size:1.8rem}
  .home-hero .hero-buttons{flex-direction:column;align-items:center}
  .home-about h2,.home-services h2,.home-contact h2,.home-features h2,.home-cta h2{font-size:1.75rem}
}