*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{--primary:#6C5CE7;--primary-dark:#5A4BD1;--primary-light:#8B7CF7;--secondary:#00D2D3;--gradient:linear-gradient(135deg,#6C5CE7 0%,#00D2D3 100%);--success:#00B894;--warning:#FDCB6E;--error:#FF6B6B;--bg:#0F0F1A;--bg-alt:#15152A;--card:#1A1A2E;--border:rgba(255,255,255,0.06);--text:#E8E8F0;--text-sec:#B0B0C8;--text-muted:#7A7A9A;--nav-bg:rgba(15,15,26,0.9);--shadow:0 4px 24px rgba(0,0,0,0.3);--shadow-hover:0 12px 40px rgba(108,92,231,0.2)}
[data-theme="light"]{--bg:#F8F9FC;--bg-alt:#FFFFFF;--card:#FFFFFF;--border:rgba(0,0,0,0.08);--text:#1A1A2E;--text-sec:#4A4A6A;--text-muted:#7A7A9A;--nav-bg:rgba(255,255,255,0.9);--shadow:0 4px 24px rgba(0,0,0,0.06);--shadow-hover:0 12px 40px rgba(108,92,231,0.12)}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;transition:background .3s,color .3s}
.skip-link{position:absolute;top:-100%;left:8px;z-index:1000;background:var(--primary);color:#fff;padding:12px 24px;border-radius:0 0 8px 8px;font-weight:600;text-decoration:none}
.skip-link:focus{top:0}
:focus-visible{outline:3px solid var(--primary);outline-offset:2px;border-radius:4px}
::selection{background:var(--primary);color:#fff}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}

nav{display:flex;justify-content:space-between;align-items:center;padding:16px 24px;max-width:1248px;margin:0 auto;position:sticky;top:0;z-index:100;background:var(--nav-bg);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}
.logo{font-size:20px;font-weight:800;background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;text-decoration:none}
.logo span{font-weight:300}
.nav-controls{display:flex;align-items:center;gap:8px}
.theme-toggle{background:var(--card);border:1px solid var(--border);color:var(--text);width:38px;height:38px;border-radius:10px;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:17px;transition:all .2s;flex-shrink:0}
.theme-toggle:hover{border-color:var(--primary)}
.lang-switch{background:var(--card);border:1px solid var(--border);color:var(--text);padding:7px 11px;border-radius:10px;cursor:pointer;font-size:12px;font-weight:500;transition:all .2s;display:flex;align-items:center;gap:4px}
.lang-switch:hover{border-color:var(--primary)}
.nav-toggle{display:none;background:none;border:none;color:var(--text);font-size:22px;cursor:pointer;padding:4px;width:38px;height:38px;align-items:center;justify-content:center}
.nav-links{display:flex;gap:20px;align-items:center}
.nav-links a{color:var(--text-sec);text-decoration:none;font-size:13px;font-weight:500;transition:color .2s;white-space:nowrap}
.nav-links a:hover,.nav-links a:focus{color:var(--primary)}
.btn{display:inline-flex;align-items:center;gap:8px;padding:11px 28px;border-radius:10px;font-weight:600;font-size:14px;text-decoration:none;cursor:pointer;border:none;transition:all .25s;white-space:nowrap}
.btn-primary{background:var(--gradient);color:#fff}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(108,92,231,0.3)}
.btn-outline{background:transparent;color:var(--text);border:1.5px solid var(--border)}
.btn-outline:hover{border-color:var(--primary);color:var(--primary)}
.btn-lg{padding:14px 36px;font-size:16px}
.btn-sm{padding:7px 16px;font-size:12px}

.container{max-width:1200px;margin:0 auto;padding:0 24px;width:100%}

.hero{text-align:center;padding:80px 0 40px}
.hero h1{font-size:clamp(28px,5vw,52px);font-weight:800;line-height:1.12;margin-bottom:16px}
.hero h1 .gradient{background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero p{font-size:clamp(15px,2vw,18px);color:var(--text-muted);max-width:620px;margin:0 auto 28px}
.hero-buttons{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.badge{display:inline-block;padding:6px 14px;border-radius:100px;background:rgba(108,92,231,0.12);color:var(--primary);font-size:12px;font-weight:600;letter-spacing:.3px;margin-bottom:20px}

.problem-solution{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin:40px auto;max-width:900px}
.ps-box{border-radius:16px;padding:28px;border:1px solid var(--border)}
.ps-problem{background:rgba(255,107,107,0.06);border-color:rgba(255,107,107,0.2)}
.ps-solution{background:rgba(0,184,148,0.06);border-color:rgba(0,184,148,0.2)}
.ps-box h3{font-size:15px;margin-bottom:12px}
.ps-box ul{list-style:none;padding:0}
.ps-box li{padding:5px 0;font-size:13px;color:var(--text-sec);display:flex;align-items:flex-start;gap:8px}
.ps-problem li::before{content:"\2715";color:var(--error);font-weight:700;flex-shrink:0}
.ps-solution li::before{content:"\2713";color:var(--success);font-weight:700;flex-shrink:0}

.results{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:48px auto;max-width:900px}
.result-card{background:var(--card);border-radius:14px;padding:20px 12px;border:1px solid var(--border);text-align:center}
.result-number{font-size:30px;font-weight:800;background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.result-label{font-size:11px;color:var(--text-muted);margin-top:4px;line-height:1.3}

.pricing{padding:60px 0}
.pricing-sub{text-align:center;color:var(--text-muted);max-width:600px;margin:0 auto 40px;font-size:14px}
.pricing-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}
.pricing-card{background:var(--card);border-radius:20px;padding:32px 24px;border:1px solid var(--border);display:flex;flex-direction:column;position:relative;transition:all .3s}
.pricing-card:hover{border-color:var(--primary);transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.pricing-card.featured{border:2px solid var(--primary);box-shadow:0 0 0 1px var(--primary),var(--shadow)}
.pricing-card.featured::before{content:attr(data-popular);position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:var(--gradient);color:#fff;font-size:11px;font-weight:700;padding:4px 16px;border-radius:100px;letter-spacing:.5px}
.pricing-name{font-size:13px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:1px}
.pricing-price{font-size:36px;font-weight:800;margin:8px 0 2px}
.pricing-price span{font-size:13px;font-weight:400;color:var(--text-muted)}
.pricing-per{font-size:12px;color:var(--text-muted);margin-bottom:16px}
.pricing-features{list-style:none;flex:1;margin-bottom:24px}
.pricing-features li{padding:5px 0;font-size:12px;color:var(--text-sec);display:flex;align-items:flex-start;gap:8px}
.pricing-features li::before{content:"\2713";color:var(--success);font-weight:700;flex-shrink:0}
.pricing-card .btn{width:100%;justify-content:center}

.usecases{margin:48px 0}
.uc-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:16px}
.uc-card{background:var(--card);border-radius:16px;padding:28px;border:1px solid var(--border);transition:all .3s;cursor:default}
.uc-card:hover{border-color:var(--primary);transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.uc-icon{font-size:28px;margin-bottom:12px}
.uc-card h3{font-size:16px;margin-bottom:6px}
.uc-card p{font-size:13px;color:var(--text-muted);line-height:1.5}
.uc-stat{font-size:13px;color:var(--success);font-weight:600;margin-top:10px}

.faq{margin:48px 0;max-width:720px;margin-left:auto;margin-right:auto}
.faq-item{border:1px solid var(--border);border-radius:14px;margin-bottom:8px;overflow:hidden;background:var(--card)}
.faq-q{width:100%;padding:16px 20px;background:none;border:none;color:var(--text);font-size:14px;font-weight:600;text-align:left;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:12px}
.faq-q::after{content:"+";font-size:18px;color:var(--text-muted);transition:transform .3s;flex-shrink:0}
.faq-item.open .faq-q::after{content:"\2212"}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;padding:0 20px}
.faq-item.open .faq-a{max-height:300px;padding:0 20px 16px}
.faq-a p{font-size:13px;color:var(--text-sec);line-height:1.6}

.cta{text-align:center;padding:80px 0}
.cta h2{font-size:clamp(22px,3vw,36px);margin-bottom:12px}
.cta p{color:var(--text-muted);max-width:480px;margin:0 auto 28px;font-size:14px}
.cta-price{font-size:30px;font-weight:800;color:var(--primary);margin-bottom:20px}
.cta-price span{font-size:14px;font-weight:400;color:var(--text-muted)}

.section{padding:60px 0}
.section-title{text-align:center;font-size:clamp(22px,3vw,30px);font-weight:700;margin-bottom:8px}
.section-sub{text-align:center;color:var(--text-muted);max-width:520px;margin:0 auto 36px;font-size:14px}

footer{text-align:center;padding:32px 24px;color:var(--text-muted);font-size:12px;border-top:1px solid var(--border);max-width:1248px;margin:0 auto}
footer a{color:var(--text-muted);text-decoration:none}
footer a:hover{color:var(--primary)}

.roi-box{background:var(--card);border-radius:16px;padding:32px;border:1px solid var(--border);max-width:700px;margin:30px auto;text-align:center}
.roi-box h3{font-size:16px;margin-bottom:16px;color:var(--text)}
.roi-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.roi-item{padding:12px}
.roi-item .label{font-size:12px;color:var(--text-muted);margin-bottom:4px}
.roi-item .value{font-size:22px;font-weight:700;color:var(--primary)}
.roi-item .value.green{color:var(--success)}

@media(max-width:768px){
  .nav-toggle{display:flex}
  .nav-links{display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;background:var(--bg-alt);padding:16px 24px;gap:12px;border-bottom:1px solid var(--border);box-shadow:var(--shadow)}
  .nav-links.open{display:flex}
  .hero{padding:48px 0 24px}
  .section{padding:40px 0}
  .pricing-grid{grid-template-columns:1fr;max-width:400px;margin-left:auto;margin-right:auto}
  .problem-solution{grid-template-columns:1fr}
  .results{grid-template-columns:repeat(2,1fr)}
  .roi-grid{grid-template-columns:1fr}
}