@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');
:root{
  --bg:#fff;--text:#171717;--gray-900:#171717;--gray-600:#4d4d4d;--gray-500:#666;--gray-400:#808080;
  --gray-200:#ebebeb;--gray-100:#fafafa;--accent:#0070f3;--accent-hover:#0061d5;
  --border-shadow:rgba(0,0,0,0.08) 0px 0px 0px 1px;
  --card-shadow:rgba(0,0,0,0.08) 0px 0px 0px 1px, rgba(0,0,0,0.04) 0px 2px 2px, rgba(0,0,0,0.04) 0px 8px 8px -8px;
  --card-shadow-hover:rgba(0,0,0,0.12) 0px 0px 0px 1px, rgba(0,0,0,0.06) 0px 4px 8px, rgba(0,0,0,0.04) 0px 12px 16px -8px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Inter',system-ui,-apple-system,'Segoe UI',sans-serif;background:var(--bg);color:var(--text);line-height:1.5;-webkit-font-smoothing:antialiased;font-feature-settings:"liga"}
a{color:inherit;text-decoration:none}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
/* Header */
.header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,0.85);backdrop-filter:blur(12px);border-bottom:1px solid var(--gray-200)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{display:flex;align-items:center;gap:8px;font-size:18px;font-weight:600;letter-spacing:-0.5px}
.logo-icon{width:28px;height:28px;background:var(--gray-900);border-radius:6px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:16px}
.nav{display:flex;align-items:center;gap:32px}
.nav a{font-size:14px;font-weight:500;color:var(--gray-600);transition:color .15s}
.nav a:hover{color:var(--gray-900)}
.nav-cta{background:var(--gray-900);color:#fff;padding:8px 16px;border-radius:6px;font-size:14px;font-weight:500;transition:opacity .15s}
.nav-cta:hover{opacity:0.85}
/* Hero */
.hero{text-align:center;padding:120px 24px 80px}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;background:#ebf5ff;color:#0068d6;border-radius:9999px;font-size:13px;font-weight:500;margin-bottom:24px}
.hero h1{font-size:56px;font-weight:600;letter-spacing:-2.4px;line-height:1.05;margin-bottom:20px;max-width:800px;margin-left:auto;margin-right:auto}
.hero h1 .grad{background:linear-gradient(135deg,#0070f3,#7928ca);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero p{font-size:20px;color:var(--gray-600);max-width:560px;margin:0 auto 40px;line-height:1.6}
.hero-cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.btn-primary{background:var(--gray-900);color:#fff;padding:12px 24px;border-radius:8px;font-size:15px;font-weight:500;transition:opacity .15s;display:inline-flex;align-items:center;gap:8px}
.btn-primary:hover{opacity:0.85}
.btn-secondary{background:#fff;color:var(--gray-900);padding:12px 24px;border-radius:8px;font-size:15px;font-weight:500;box-shadow:var(--border-shadow);transition:box-shadow .15s;display:inline-flex;align-items:center;gap:8px}
.btn-secondary:hover{box-shadow:var(--card-shadow)}
/* Search */
.search-section{max-width:640px;margin:0 auto 60px;padding:0 24px}
.search-box{display:flex;gap:8px;background:#fff;border-radius:12px;box-shadow:var(--card-shadow);padding:8px}
.search-box input{flex:1;border:none;outline:none;padding:12px 16px;font-size:16px;font-family:inherit;background:transparent}
.search-box button{background:var(--gray-900);color:#fff;border:none;padding:12px 24px;border-radius:8px;font-size:15px;font-weight:500;cursor:pointer;transition:opacity .15s}
.search-box button:hover{opacity:0.85}
/* Stats bar */
.stats{display:flex;justify-content:center;gap:64px;padding:40px 24px;border-top:1px solid var(--gray-200);border-bottom:1px solid var(--gray-200)}
.stat{text-align:center}
.stat-num{font-size:40px;font-weight:600;letter-spacing:-1.5px;color:var(--gray-900)}
.stat-label{font-size:14px;color:var(--gray-500);margin-top:4px}
/* Categories filter */
.cat-filter{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;padding:40px 24px 20px}
.cat-pill{padding:6px 14px;background:#fff;border-radius:9999px;font-size:13px;font-weight:500;color:var(--gray-600);cursor:pointer;transition:all .15s}
.cat-pill:hover{background:var(--gray-100);color:var(--gray-900)}
.cat-pill.active{background:var(--gray-900);color:#fff}
/* Tool grid */
.section-title{font-size:32px;font-weight:600;letter-spacing:-1.28px;text-align:center;margin:40px 0 8px}
.section-sub{text-align:center;color:var(--gray-500);font-size:16px;margin-bottom:40px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:20px;padding:0 24px 80px;max-width:1200px;margin:0 auto}
.card{background:#fff;border-radius:12px;padding:24px;box-shadow:var(--border-shadow);transition:all .2s;cursor:pointer;text-decoration:none;color:inherit;display:block}
.card:hover{box-shadow:var(--card-shadow-hover);transform:translateY(-2px)}
.card-cat{font-size:12px;font-weight:500;color:var(--accent);text-transform:uppercase;letter-spacing:0.5px;margin-bottom:8px}
.card h3{font-size:18px;font-weight:600;letter-spacing:-0.3px;margin-bottom:8px}
.card-desc{font-size:14px;color:var(--gray-600);line-height:1.5;margin-bottom:16px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-footer{display:flex;align-items:center;justify-content:space-between}
.card-price{font-size:13px;color:var(--gray-500);font-weight:500}
.card-arrow{font-size:14px;color:var(--gray-400);transition:color .15s}
.card:hover .card-arrow{color:var(--gray-900)}
/* Feature section */
.features{padding:80px 24px;max-width:1200px;margin:0 auto}
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;margin-top:48px}
.feature{text-align:left;padding:32px;border-radius:12px;background:var(--gray-100)}
.feature-icon{width:40px;height:40px;background:var(--gray-900);border-radius:8px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:20px;margin-bottom:16px}
.feature h3{font-size:20px;font-weight:600;letter-spacing:-0.3px;margin-bottom:8px}
.feature p{font-size:15px;color:var(--gray-600);line-height:1.6}
/* CTA section */
.cta-section{text-align:center;padding:80px 24px;background:var(--gray-100);border-top:1px solid var(--gray-200)}
.cta-section h2{font-size:40px;font-weight:600;letter-spacing:-1.5px;margin-bottom:16px}
.cta-section p{font-size:18px;color:var(--gray-600);margin-bottom:32px}
/* Footer */
.footer{border-top:1px solid var(--gray-200);padding:48px 24px}
.footer-inner{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:48px}
.footer-brand{font-size:18px;font-weight:600;margin-bottom:12px}
.footer-desc{font-size:14px;color:var(--gray-500);line-height:1.6;max-width:300px}
.footer-col h4{font-size:13px;font-weight:600;text-transform:uppercase;letter-spacing:0.5px;color:var(--gray-500);margin-bottom:16px}
.footer-col a{display:block;font-size:14px;color:var(--gray-600);margin-bottom:10px;transition:color .15s}
.footer-col a:hover{color:var(--gray-900)}
.footer-bottom{max-width:1200px;margin:48px auto 0;padding-top:24px;border-top:1px solid var(--gray-200);display:flex;justify-content:space-between;font-size:13px;color:var(--gray-500)}
/* Responsive */
@media(max-width:768px){
  .hero{padding:80px 24px 60px}
  .hero h1{font-size:36px;letter-spacing:-1.5px}
  .hero p{font-size:17px}
  .nav{display:none}
  .stats{flex-wrap:wrap;gap:32px}
  .feature-grid{grid-template-columns:1fr}
  .footer-inner{grid-template-columns:1fr;gap:32px}
  .grid{grid-template-columns:1fr}
  .cta-section h2{font-size:28px}
}