/* I Love AI Agents — global styles */
:root{
  --violet-900:#1c1136;
  --violet-800:#2c1a5c;
  --violet-700:#4b2e9e;
  --violet-500:#7c4dff;
  --violet-300:#a98cff;
  --violet-100:#efe9ff;
  --lime:#c6ff3a;
  --lime-dark:#9fe000;
  --ink:#161022;
  --gray-600:#5c5570;
  --gray-400:#8b84a0;
  --gray-200:#e7e3f2;
  --gray-100:#f3f1fa;
  --bg:#fbfaff;
  --white:#ffffff;
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 8px 30px rgba(28,17,54,0.08);
  --shadow-lg:0 20px 50px rgba(28,17,54,0.16);
  font-size:16px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
html,body{margin:0;padding:0;}
body{
  font-family:"Inter",system-ui,-apple-system,Segoe UI,Arial,sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--violet-700);text-decoration:none;}
a:hover{text-decoration:underline;}
.container{max-width:1180px;margin:0 auto;padding:0 20px;}
h1,h2,h3{font-family:"Sora","Inter",sans-serif;line-height:1.15;font-weight:800;letter-spacing:-0.01em;}
img{max-width:100%;}
::selection{background:var(--lime);color:var(--violet-900);}

/* Header */
.site-header{background:rgba(255,255,255,0.85);backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid var(--gray-200);position:sticky;top:0;z-index:50;}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;}
.logo{font-family:"Sora",sans-serif;font-weight:800;font-size:1.4rem;letter-spacing:-0.01em;text-transform:uppercase;color:var(--ink);display:inline-flex;align-items:center;gap:1px;}
.logo-i{color:var(--ink);}
.logo-heart{color:var(--violet-500);font-size:0.95em;margin:0 5px;filter:drop-shadow(0 2px 5px rgba(124,77,255,0.35));}
.logo-rest{color:var(--ink);}
.site-footer .logo{color:#fff;}
.site-footer .logo-i,.site-footer .logo-rest{color:#fff;}
.site-footer .logo-heart{color:var(--lime);filter:drop-shadow(0 2px 5px rgba(198,255,58,0.3));}
.main-nav{display:flex;gap:28px;align-items:center;}
.main-nav a{color:var(--ink);font-weight:600;font-size:0.95rem;}
.main-nav a:hover{color:var(--violet-700);text-decoration:none;}
.nav-toggle{display:none;background:none;border:none;font-size:1.3rem;line-height:1;cursor:pointer;color:var(--violet-900);}

/* Hero */
.hero{
  position:relative;overflow:hidden;
  background:linear-gradient(160deg, var(--violet-800) 0%, var(--violet-900) 60%, #0f0a20 100%);
  color:#fff;padding:96px 0 72px;text-align:center;
}
.hero-blob{position:absolute;border-radius:50%;filter:blur(70px);opacity:0.55;pointer-events:none;}
.blob-a{width:420px;height:420px;background:var(--violet-500);top:-160px;left:-100px;}
.blob-b{width:380px;height:380px;background:var(--lime);opacity:0.18;bottom:-180px;right:-80px;}
.hero-inner{position:relative;z-index:1;}
.pill{display:inline-flex;align-items:center;gap:7px;background:rgba(255,255,255,0.1);border:1px solid rgba(255,255,255,0.2);color:#e9e2ff;padding:7px 16px;border-radius:999px;font-size:0.85rem;font-weight:600;margin-bottom:22px;}
.pill i{color:var(--lime);font-size:0.95em;}
.hero-cta i{font-size:0.95em;margin-left:2px;vertical-align:-1px;}
.hero h1{font-size:3rem;max-width:820px;margin:0 auto 18px;color:#fff;}
.hero-sub{font-size:1.2rem;color:#d8cdfb;max-width:640px;margin:0 auto 34px;}
.hero-cta{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;margin-bottom:52px;}
.btn{display:inline-block;padding:15px 32px;border-radius:999px;font-weight:700;cursor:pointer;border:none;font-size:1rem;transition:transform .12s ease, filter .12s ease;}
.btn-primary{background:var(--lime);color:#1c2a06;box-shadow:0 10px 30px rgba(198,255,58,0.25);}
.btn-primary:hover{filter:brightness(1.05);text-decoration:none;transform:translateY(-1px);}
.btn-ghost{background:rgba(255,255,255,0.08);color:#fff;border:1px solid rgba(255,255,255,0.28);}
.btn-ghost:hover{background:rgba(255,255,255,0.16);text-decoration:none;transform:translateY(-1px);}
.hero-stats{display:flex;justify-content:center;gap:50px;flex-wrap:wrap;}
.hero-stats div{display:flex;flex-direction:column;align-items:center;}
.hero-stats strong{font-family:"Sora",sans-serif;font-size:1.6rem;color:var(--lime);}
.hero-stats span{font-size:0.85rem;color:#c7bcef;}

/* Category tabs */
.cat-tabs{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin:40px 0 8px;}
.cat-tab{
  border:1px solid var(--gray-200);background:var(--white);color:var(--ink);
  padding:10px 20px;border-radius:999px;font-weight:600;cursor:pointer;font-size:0.9rem;
  transition:background .12s ease,color .12s ease,border-color .12s ease;
}
.cat-tab.active,.cat-tab:hover{background:var(--violet-900);color:#fff;border-color:var(--violet-900);}

/* Tool grid */
.tool-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:20px;margin:30px 0 10px;}
.tool-grid-sm{grid-template-columns:repeat(auto-fill,minmax(200px,1fr));}
.tool-card{
  position:relative;background:var(--white);border:1px solid var(--gray-200);border-radius:var(--radius);
  padding:24px;display:flex;flex-direction:column;gap:10px;box-shadow:var(--shadow);
  transition:transform .15s ease, box-shadow .15s ease, border-color .15s ease;color:var(--ink);
}
.tool-card:hover{transform:translateY(-4px);border-color:var(--violet-500);box-shadow:var(--shadow-lg);text-decoration:none;}
.tool-badge{
  position:absolute;top:16px;right:16px;background:var(--violet-100);color:var(--violet-700);
  font-size:0.72rem;font-weight:700;letter-spacing:0.02em;padding:4px 10px;border-radius:999px;
}
.tool-icon,.tool-icon-lg{
  width:52px;height:52px;flex:none;display:flex;align-items:center;justify-content:center;
  border-radius:14px;font-size:1.5rem;
}
.tool-icon-lg{width:68px;height:68px;font-size:2rem;box-shadow:var(--shadow);}
.tool-name{font-weight:700;font-size:1.05rem;font-family:"Sora",sans-serif;}
.tool-desc{color:var(--gray-600);font-size:0.9rem;}

/* Icon color variants */
.c-blue{background:#EFF6FF;color:#2563EB;}
.c-emerald{background:#ECFDF5;color:#059669;}
.c-amber{background:#FFFBEB;color:#D97706;}
.c-pink{background:#FDF2F8;color:#DB2777;}
.c-indigo{background:#EEF2FF;color:#4F46E5;}
.c-cyan{background:#ECFEFF;color:#0891B2;}
.c-rose{background:#FFF1F2;color:#E11D48;}
.c-violet{background:#F5F3FF;color:#7C3AED;}
.c-orange{background:#FFF7ED;color:#EA580C;}
.c-teal{background:#F0FDFA;color:#0D9488;}
.c-green{background:#F0FDF4;color:#16A34A;}
.c-slate{background:#F1F5F9;color:#475569;}

/* Strip */
.strip{margin:64px auto;}
.strip-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:24px;}
.strip-card{background:var(--white);border:1px solid var(--gray-200);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);}
.strip-icon{display:flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:12px;background:var(--violet-100);color:var(--violet-700);font-size:1.3rem;margin-bottom:14px;}
.strip-grid h3{margin:0 0 8px;font-size:1.05rem;}
.strip-grid p{color:var(--gray-600);font-size:0.95rem;margin:0;}

/* FAQ */
.faq-section{margin:56px auto 76px;}
.faq-section h2, .tool-info h2{font-size:1.5rem;margin-bottom:20px;}
.faq-list{border-top:1px solid var(--gray-200);}
.faq-item{border-bottom:1px solid var(--gray-200);}
.faq-q{
  width:100%;text-align:left;background:none;border:none;padding:18px 4px;
  font-weight:700;font-size:1rem;cursor:pointer;display:flex;justify-content:space-between;color:var(--ink);
  font-family:"Sora",sans-serif;
}
.faq-q span{color:var(--violet-500);font-size:1.2rem;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .2s ease;}
.faq-a p{margin:0 4px 18px;color:var(--gray-600);}
.faq-item.open .faq-a{max-height:400px;}

/* Footer */
.site-footer{background:var(--violet-900);color:#cfc4f2;margin-top:70px;padding:54px 0 24px;}
.footer-inner{display:grid;grid-template-columns:2fr 1fr 1fr;gap:32px;}
.footer-col h4{color:#fff;margin-bottom:12px;font-family:"Sora",sans-serif;}
.footer-col ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:8px;}
.footer-col a{color:#cfc4f2;}
.footer-col a:hover{color:#fff;}
.footer-bottom{border-top:1px solid rgba(255,255,255,0.12);margin-top:32px;padding-top:20px;font-size:0.85rem;}

/* Tool page */
.tool-page{padding:38px 0 64px;}
.breadcrumbs{font-size:0.85rem;color:var(--gray-600);margin-bottom:20px;}
.tool-head{display:flex;gap:20px;align-items:flex-start;margin-bottom:30px;}
.tool-head h1{font-size:2rem;}
.tool-intro{color:var(--gray-600);max-width:760px;margin-top:10px;}

.tool-app{background:var(--white);border:1px solid var(--gray-200);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow-lg);margin-bottom:44px;}
.mode-chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px;}
.mode-chip{border:1px solid var(--gray-200);background:var(--violet-100);color:var(--violet-900);padding:8px 16px;border-radius:999px;font-size:0.85rem;font-weight:600;cursor:pointer;transition:background .12s ease,color .12s ease;}
.mode-chip.active{background:var(--violet-900);color:#fff;}
.app-label{display:block;font-weight:700;margin:16px 0 8px;font-size:0.9rem;}
.tool-textarea{width:100%;min-height:170px;border:1px solid var(--gray-200);border-radius:var(--radius-sm);padding:16px;font-size:0.98rem;font-family:inherit;resize:vertical;transition:border-color .12s ease;}
.tool-textarea:focus{outline:none;border-color:var(--violet-500);}
.app-actions{display:flex;align-items:center;gap:16px;margin-top:18px;}
.run-status{color:var(--gray-600);font-size:0.85rem;}
.tool-output{border:1px dashed var(--gray-300, var(--gray-200));border-radius:var(--radius-sm);padding:18px;min-height:130px;white-space:pre-wrap;background:var(--violet-100);}
.output-placeholder{color:var(--gray-600);margin:0;}

.tool-info{margin:36px 0;}
.tool-info ol{padding-left:20px;color:var(--gray-600);}
.tool-info li{margin-bottom:8px;}

/* Static & blog pages */
.static-page{padding:44px 0 74px;max-width:800px;}
.static-page h1{margin-bottom:16px;}
.static-page h2{margin-top:32px;}
.blog-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:22px;margin-top:22px;}
.blog-card{background:var(--white);border:1px solid var(--gray-200);border-radius:var(--radius);padding:22px;display:block;box-shadow:var(--shadow);color:var(--ink);transition:transform .15s ease, box-shadow .15s ease;}
.blog-card:hover{border-color:var(--violet-500);text-decoration:none;transform:translateY(-3px);box-shadow:var(--shadow-lg);}
.blog-date{color:var(--gray-600);font-size:0.8rem;}
.blog-meta{color:var(--gray-600);font-size:0.85rem;margin-top:-8px;}
.blog-post p, .static-page p{color:#332c47;}

@media (max-width:760px){
  .main-nav{position:absolute;top:64px;left:0;right:0;background:#fff;flex-direction:column;align-items:flex-start;gap:14px;padding:18px 20px;display:none;border-bottom:1px solid var(--gray-200);}
  .main-nav.open{display:flex;}
  .nav-toggle{display:block;}
  .footer-inner{grid-template-columns:1fr;}
  .tool-head{flex-direction:column;}
  .hero h1{font-size:2.1rem;}
  .hero-stats{gap:30px;}
}