@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --bg-primary: #ffffff;
  --bg-secondary: #f8f9fb;
  --bg-tertiary: #f1f3f6;
  --bg-card: #ffffff;
  --border: #e8eaed;
  --border-hover: #d0d5dd;

  --text-primary: #111827;
  --text-secondary: #6b7280;
  --text-muted: #9ca3af;

  --accent: #6d28d9;
  --accent-light: #8b5cf6;
  --accent-dim: rgba(109,40,217,0.06);
  --accent-border: rgba(109,40,217,0.15);
  --accent-green: #059669;
  --accent-green-dim: rgba(5,150,105,0.06);
  --accent-green-border: rgba(5,150,105,0.15);

  --gradient-text: linear-gradient(135deg, #6d28d9 0%, #4f46e5 50%, #7c3aed 100%);
  --gradient-btn: linear-gradient(135deg, #6d28d9 0%, #4f46e5 100%);
  --gradient-glow: radial-gradient(ellipse 60% 40% at 50% 0%, rgba(109,40,217,0.04), transparent 60%);

  --radius: 12px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  --font: 'Inter', -apple-system, sans-serif;
  --mono: 'JetBrains Mono', monospace;
  --nav-h: 64px;
  --transition: 0.25s cubic-bezier(0.4,0,0.2,1);
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.04), 0 1px 2px rgba(0,0,0,0.03);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.06);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.08);
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);background:var(--bg-primary);color:var(--text-primary);line-height:1.6;overflow-x:hidden;-webkit-font-smoothing:antialiased}
a{color:var(--accent);text-decoration:none;transition:var(--transition)}
a:hover{color:var(--accent-light)}
img{max-width:100%;display:block}

.container{max-width:1120px;margin:0 auto;padding:0 24px}
.section{padding:120px 0;position:relative}
.section-label{
  display:inline-flex;align-items:center;gap:8px;font-size:0.7rem;font-weight:600;
  letter-spacing:0.15em;text-transform:uppercase;color:var(--accent);margin-bottom:20px;
}
.section-label .dot{width:5px;height:5px;border-radius:50%;background:var(--accent);opacity:0.6}
.section-title{font-size:clamp(2rem,4.2vw,3.2rem);font-weight:800;line-height:1.1;margin-bottom:20px;letter-spacing:-0.035em;color:var(--text-primary)}
.section-subtitle{font-size:1.05rem;color:var(--text-secondary);max-width:560px;line-height:1.75}
.text-gradient{background:var(--gradient-text);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}

.grid-bg{position:fixed;inset:0;z-index:0;pointer-events:none;background:var(--gradient-glow)}

/* ===== NAV ===== */
.navbar{position:fixed;top:0;left:0;right:0;z-index:1000;height:var(--nav-h);display:flex;align-items:center;background:rgba(255,255,255,0.75);backdrop-filter:blur(16px) saturate(1.5);border-bottom:1px solid var(--border);transition:var(--transition)}
.navbar.scrolled{background:rgba(255,255,255,0.92);box-shadow:var(--shadow-sm)}
.navbar .container{display:flex;align-items:center;justify-content:space-between;width:100%}
.nav-logo{display:flex;align-items:center;gap:10px;font-size:1.15rem;font-weight:800;letter-spacing:-0.02em;color:var(--text-primary)}
.nav-logo .logo-icon{width:32px;height:32px;border-radius:8px;background:var(--gradient-btn);display:flex;align-items:center;justify-content:center;font-size:0.85rem;font-weight:900;color:white}
.nav-links{display:flex;gap:28px;list-style:none}
.nav-links a{font-size:0.825rem;font-weight:450;color:var(--text-muted);transition:var(--transition)}
.nav-links a:hover{color:var(--text-primary)}
.nav-cta{padding:8px 20px;border-radius:var(--radius-full);font-size:0.8rem;font-weight:600;background:var(--text-primary);color:white;border:none;cursor:pointer;transition:var(--transition)}
.nav-cta:hover{opacity:0.85;color:white;transform:translateY(-1px)}
.nav-hamburger{display:none;flex-direction:column;gap:4px;cursor:pointer;background:none;border:none;padding:4px}
.nav-hamburger span{width:20px;height:1.5px;background:var(--text-secondary);border-radius:2px;transition:var(--transition)}

/* ===== HERO ===== */
.hero{min-height:100vh;display:flex;align-items:center;position:relative;padding-top:var(--nav-h);overflow:hidden;background:var(--bg-primary)}
.hero-content{position:relative;z-index:2;text-align:center;max-width:820px;margin:0 auto}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:6px 16px;border-radius:var(--radius-full);font-size:0.78rem;font-weight:500;background:var(--accent-green-dim);border:1px solid var(--accent-green-border);color:var(--accent-green);margin-bottom:36px;animation:fadeUp .7s ease-out}
.hero-badge .pulse{width:6px;height:6px;border-radius:50%;background:var(--accent-green);animation:pulse-dot 2s infinite}
.hero h1{font-size:clamp(2.6rem,6vw,4.5rem);font-weight:900;line-height:1.05;letter-spacing:-0.045em;margin-bottom:24px;animation:fadeUp .7s ease-out .1s both;color:var(--text-primary)}
.hero p{font-size:clamp(1rem,1.8vw,1.15rem);color:var(--text-secondary);max-width:580px;margin:0 auto 44px;line-height:1.75;animation:fadeUp .7s ease-out .2s both}
.hero-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;animation:fadeUp .7s ease-out .3s both}
.btn-primary{padding:12px 28px;border-radius:var(--radius-full);font-size:0.9rem;font-weight:600;background:var(--gradient-btn);color:white;border:none;cursor:pointer;transition:var(--transition);display:inline-flex;align-items:center;gap:8px}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 32px rgba(109,40,217,0.25);color:white}
.btn-secondary{padding:12px 28px;border-radius:var(--radius-full);font-size:0.9rem;font-weight:500;background:transparent;color:var(--text-secondary);border:1px solid var(--border);cursor:pointer;transition:var(--transition);display:inline-flex;align-items:center;gap:8px}
.btn-secondary:hover{border-color:var(--border-hover);color:var(--text-primary);transform:translateY(-2px)}

.hero-orb{position:absolute;border-radius:50%;filter:blur(120px);animation:float 10s ease-in-out infinite}
.hero-orb-1{width:500px;height:500px;background:rgba(109,40,217,0.06);top:-15%;right:-10%}
.hero-orb-2{width:350px;height:350px;background:rgba(79,70,229,0.05);bottom:0;left:-5%;animation-delay:-5s}
.hero-orb-3{width:250px;height:250px;background:rgba(139,92,246,0.04);top:40%;left:60%;animation-delay:-3s}

.hero-stats{display:flex;justify-content:center;gap:56px;margin-top:80px;animation:fadeUp .7s ease-out .5s both}
.hero-stat{text-align:center}
.hero-stat-value{font-size:1.8rem;font-weight:800;letter-spacing:-0.03em;color:var(--text-primary)}
.hero-stat-label{font-size:0.7rem;color:var(--text-muted);margin-top:6px;text-transform:uppercase;letter-spacing:0.1em;font-weight:500}

.divider{height:1px;background:linear-gradient(90deg,transparent,var(--border),transparent);margin:0 auto;max-width:600px}

/* ===== PROBLEM ===== */
.problem-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;margin-top:48px;background:var(--border);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm)}
.problem-card{padding:40px 32px;background:var(--bg-card);transition:var(--transition)}
.problem-card:hover{background:var(--bg-secondary)}
.problem-icon{font-size:1.5rem;margin-bottom:20px;opacity:0.9}
.problem-card h3{font-size:1rem;font-weight:700;margin-bottom:10px;letter-spacing:-0.01em;color:var(--text-primary)}
.problem-card p{color:var(--text-secondary);font-size:0.875rem;line-height:1.7}
.problem-stat{font-size:2rem;font-weight:900;color:var(--accent);margin-bottom:4px;letter-spacing:-0.03em}

/* ===== PIPELINE ===== */
.pipeline-steps{display:flex;flex-direction:column;gap:0;margin-top:56px;position:relative}
.pipeline-steps::before{content:'';position:absolute;left:23px;top:0;bottom:0;width:1px;background:linear-gradient(to bottom,var(--accent),var(--border),transparent);opacity:0.3}
.pipeline-step{display:flex;gap:28px;align-items:flex-start;padding:24px 0;position:relative;opacity:0;transform:translateX(-16px);transition:opacity .5s ease,transform .5s ease}
.pipeline-step.visible{opacity:1;transform:translateX(0)}
.step-number{width:46px;height:46px;border-radius:50%;flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:0.85rem;font-weight:700;color:var(--text-muted);position:relative;z-index:2;background:var(--bg-primary);border:1px solid var(--border)}
.pipeline-step:hover .step-number{border-color:var(--accent-border);color:var(--accent)}
.step-content{flex:1}
.step-content h3{font-size:1.05rem;font-weight:700;margin-bottom:6px;letter-spacing:-0.01em;color:var(--text-primary)}
.step-content p{color:var(--text-secondary);font-size:0.875rem;line-height:1.7}
.step-tag{display:inline-block;margin-top:8px;padding:3px 10px;border-radius:var(--radius-full);font-size:0.7rem;font-weight:600;background:var(--accent-dim);color:var(--accent);letter-spacing:0.02em}

/* ===== FEATURES ===== */
.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;margin-top:48px;background:var(--border);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm)}
.feature-card{padding:36px 28px;background:var(--bg-card);transition:var(--transition)}
.feature-card:hover{background:var(--bg-secondary)}
.feature-icon{font-size:1.6rem;margin-bottom:16px}
.feature-card h3{font-size:0.95rem;font-weight:700;margin-bottom:8px;letter-spacing:-0.01em;color:var(--text-primary)}
.feature-card p{color:var(--text-secondary);font-size:0.84rem;line-height:1.65}

/* ===== API DEMO ===== */
.api-demo-wrapper{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:48px;align-items:start}
.code-block{background:#1e1e2e;border:1px solid rgba(255,255,255,0.08);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg)}
.code-header{display:flex;align-items:center;justify-content:space-between;padding:10px 16px;border-bottom:1px solid rgba(255,255,255,0.06);background:rgba(255,255,255,0.02)}
.code-header-dots{display:flex;gap:5px}
.code-header-dots span{width:8px;height:8px;border-radius:50%}
.code-header-dots span:nth-child(1){background:#ff5f57}
.code-header-dots span:nth-child(2){background:#febc2e}
.code-header-dots span:nth-child(3){background:#28c840}
.code-header-title{font-family:var(--mono);font-size:0.72rem;color:rgba(255,255,255,0.4)}
.code-body{padding:16px;font-family:var(--mono);font-size:0.78rem;line-height:1.9;overflow-x:auto;color:#cdd6f4}
.code-body .keyword{color:#f38ba8}
.code-body .string{color:#cba6f7}
.code-body .number{color:#89b4fa}
.code-body .property{color:#b4befe}
.code-body .punctuation{color:#6c7086}
.response-card{padding:28px;border-radius:var(--radius-lg);background:var(--bg-card);border:1px solid var(--border);box-shadow:var(--shadow-sm)}
.response-card h3{font-size:0.95rem;font-weight:700;margin-bottom:20px;letter-spacing:-0.01em}
.response-item{display:flex;justify-content:space-between;align-items:center;padding:12px 0;border-bottom:1px solid var(--border)}
.response-item:last-child{border-bottom:none}
.response-label{font-size:0.82rem;color:var(--text-muted)}
.response-value{font-size:0.85rem;font-weight:600;font-family:var(--mono);color:var(--text-primary)}
.badge-approved{padding:3px 12px;border-radius:var(--radius-full);background:var(--accent-green-dim);color:var(--accent-green);font-weight:600;font-size:0.75rem;border:1px solid var(--accent-green-border)}
.badge-band{padding:3px 12px;border-radius:var(--radius-full);background:var(--accent-dim);color:var(--accent);font-weight:600;font-size:0.75rem;border:1px solid var(--accent-border)}
.score-meter{width:100%;height:4px;border-radius:2px;background:var(--bg-tertiary);margin-top:16px;overflow:hidden}
.score-meter-fill{height:100%;border-radius:2px;background:var(--gradient-btn);width:0;transition:width 1.5s cubic-bezier(0.4,0,0.2,1)}

/* ===== METRICS ===== */
.metrics-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;margin-top:48px;background:var(--border);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm)}
.metric-card{padding:40px 24px;text-align:center;background:var(--bg-card);transition:var(--transition)}
.metric-card:hover{background:var(--bg-secondary)}
.metric-value{font-size:2.2rem;font-weight:900;letter-spacing:-0.04em;color:var(--text-primary)}
.metric-label{font-size:0.75rem;color:var(--text-muted);margin-top:8px;text-transform:uppercase;letter-spacing:0.08em;font-weight:500}

/* ===== TECH ===== */
.tech-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:1px;margin-top:48px;background:var(--border);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm)}
.tech-item{padding:28px 16px;text-align:center;background:var(--bg-card);transition:var(--transition)}
.tech-item:hover{background:var(--bg-secondary)}
.tech-item .tech-icon{font-size:1.6rem;margin-bottom:10px}
.tech-item .tech-name{font-size:0.8rem;font-weight:600;color:var(--text-primary)}
.tech-item .tech-role{font-size:0.7rem;color:var(--text-muted);margin-top:3px}

/* ===== CTA ===== */
.cta-section{text-align:center}
.cta-box{padding:80px 48px;border-radius:var(--radius-lg);position:relative;background:var(--bg-secondary);border:1px solid var(--border);overflow:hidden}
.cta-box::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at center top,rgba(109,40,217,0.04),transparent 70%)}
.cta-box h2{font-size:clamp(1.8rem,3.5vw,2.5rem);font-weight:800;margin-bottom:14px;position:relative;z-index:2;letter-spacing:-0.03em}
.cta-box p{font-size:1rem;color:var(--text-secondary);margin-bottom:32px;position:relative;z-index:2}
.cta-box .btn-primary{position:relative;z-index:2;padding:14px 36px}

/* ===== FOOTER ===== */
.footer{padding:64px 0 32px;border-top:1px solid var(--border);background:var(--bg-primary)}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:48px;margin-bottom:48px}
.footer-brand p{color:var(--text-muted);font-size:0.84rem;margin-top:12px;max-width:280px;line-height:1.6}
.footer-col h4{font-size:0.72rem;font-weight:600;text-transform:uppercase;letter-spacing:0.1em;margin-bottom:16px;color:var(--text-muted)}
.footer-col ul{list-style:none}
.footer-col li{margin-bottom:8px}
.footer-col a{color:var(--text-secondary);font-size:0.84rem}
.footer-col a:hover{color:var(--text-primary)}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;padding-top:32px;border-top:1px solid var(--border)}
.footer-bottom p{color:var(--text-muted);font-size:0.75rem}
.footer-socials{display:flex;gap:16px}
.footer-socials a{color:var(--text-muted);font-size:0.9rem;transition:var(--transition)}
.footer-socials a:hover{color:var(--text-primary)}

/* ===== ANIMATIONS ===== */
@keyframes fadeUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}
@keyframes pulse-dot{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.4;transform:scale(1.6)}}
@keyframes float{0%,100%{transform:translate(0,0)}50%{transform:translate(15px,-25px)}}
.fade-in{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease}
.fade-in.visible{opacity:1;transform:translateY(0)}

/* ===== RESPONSIVE ===== */
@media(max-width:1024px){
  .features-grid,.problem-grid{grid-template-columns:repeat(2,1fr)}
  .metrics-grid{grid-template-columns:repeat(2,1fr)}
  .tech-grid{grid-template-columns:repeat(3,1fr)}
  .api-demo-wrapper{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media(max-width:768px){
  .section{padding:80px 0}
  .nav-links{display:none;position:absolute;top:var(--nav-h);left:0;right:0;flex-direction:column;background:rgba(255,255,255,0.95);backdrop-filter:blur(20px);padding:24px;gap:20px;border-bottom:1px solid var(--border)}
  .nav-links.active{display:flex}
  .nav-cta{display:none}
  .nav-hamburger{display:flex}
  .hero-stats{flex-direction:column;gap:20px}
  .features-grid,.problem-grid{grid-template-columns:1fr}
  .metrics-grid{grid-template-columns:1fr 1fr}
  .tech-grid{grid-template-columns:repeat(2,1fr)}
  .pipeline-steps::before{left:16px}
  .step-number{width:36px;height:36px;font-size:0.8rem}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:12px;text-align:center}
  .cta-box{padding:48px 24px}
}