:root{
  --bg:#ffffff; --ink:#0b0b0f; --muted:#5b616e; --line:#e8e9ed;
  --accent:#6d5efc; --accent-ink:#5848e8; --soft:#f6f7f9; --radius:14px;
}
*{box-sizing:border-box} html{scroll-behavior:smooth}
body{margin:0;font-family:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.55;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
.container{max-width:1080px;margin:0 auto;padding:0 24px}
.narrow{max-width:760px}
.muted{color:var(--muted)} .fine{color:var(--muted);font-size:13px}
.accent{color:var(--accent)}

/* header */
.site-header{position:sticky;top:0;z-index:10;background:rgba(255,255,255,.8);
  backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:60px}
.brand{font-weight:800;font-size:18px;letter-spacing:-.02em;display:flex;align-items:center;gap:8px}
.brand-dot{width:10px;height:10px;border-radius:3px;background:var(--accent);display:inline-block}
.nav-links{display:flex;gap:24px;font-size:14px;font-weight:500;color:var(--muted)}
.nav-links a:hover{color:var(--ink)}
.nav-toggle{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px;background:none;border:none}
.nav-toggle span{width:22px;height:2px;background:var(--ink);border-radius:2px;transition:.2s}

/* logos */
.logo{width:24px;height:24px;border-radius:6px;flex:0 0 auto}
.logo-lg{width:40px;height:40px;border-radius:9px;flex:0 0 auto}
.card-head{display:flex;align-items:center;gap:10px}
.detail-head{display:flex;align-items:center;gap:14px;margin:0 0 8px}
.detail-head h1{margin:0}
.foot-links{margin:8px 0}.foot-links a:hover{color:var(--accent)}

/* hero */
.hero{position:relative;overflow:hidden;padding:96px 0 64px;border-bottom:1px solid var(--line);
  background:linear-gradient(180deg,#faf9ff 0,#ffffff 75%)}
.hero:before,.hero:after{content:"";position:absolute;border-radius:50%;filter:blur(80px);z-index:0;pointer-events:none}
.hero:before{width:520px;height:520px;background:radial-gradient(circle,#8b7bff 0,rgba(139,123,255,0) 70%);top:-200px;right:-100px;opacity:.55}
.hero:after{width:420px;height:420px;background:radial-gradient(circle,#b3a6ff 0,rgba(179,166,255,0) 70%);bottom:-220px;left:18%;opacity:.45}
.hero .container{position:relative;z-index:1}
.hero h1{font-size:clamp(34px,6vw,58px);line-height:1.05;letter-spacing:-.03em;margin:0 0 18px;font-weight:800}
.lede{font-size:18px;color:var(--muted);max-width:620px;margin:0 0 28px}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap}
/* search */
.search{position:relative;max-width:560px;margin:0 0 24px}
.search input{width:100%;padding:15px 18px;font-size:16px;font-family:inherit;
  border:1px solid var(--line);border-radius:12px;background:#fff;box-shadow:0 2px 10px rgba(15,15,30,.04)}
.search input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(109,94,252,.15)}
.results{position:absolute;top:calc(100% + 8px);left:0;right:0;z-index:20;background:#fff;
  border:1px solid var(--line);border-radius:12px;box-shadow:0 12px 40px rgba(15,15,30,.12);
  overflow:hidden;display:none}
.results.open{display:block}
.sr-item{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:12px 16px;border-bottom:1px solid var(--line)}
.sr-item:last-child{border-bottom:none}
.sr-item:hover{background:var(--soft)}
.sr-name{font-weight:600;font-size:15px}
.sr-cat{font-size:12px;color:var(--muted);white-space:nowrap}
.sr-empty{padding:14px 16px;color:var(--muted);font-size:14px}
/* header search */
.search-header{flex:1;max-width:340px;margin:0 24px}
.search-header input{padding:9px 14px;font-size:14px;box-shadow:none}
@media(max-width:760px){.search-header{display:none}}

.logo-strip{display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin-top:40px}
.logo-strip-label{font-size:12px;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.08em}
.logo-strip-link{display:inline-flex;line-height:0}
.logo-strip-img{width:30px;height:30px;border-radius:8px;opacity:.85;transition:.15s;filter:grayscale(35%);cursor:pointer}
.logo-strip-link:hover .logo-strip-img{opacity:1;filter:none;transform:translateY(-2px)}
.btn{display:inline-flex;align-items:center;gap:8px;padding:11px 20px;border-radius:10px;
  font-weight:600;font-size:15px;transition:.15s;border:1px solid transparent}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-ink)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:#c9ccd4}

/* sections */
.section{padding:56px 0}
.section-title{font-size:24px;font-weight:700;letter-spacing:-.02em;margin:0 0 24px}

/* category grid */
.cat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px}
.cat-card{display:flex;flex-direction:column;gap:4px;padding:18px;border:1px solid var(--line);
  border-radius:var(--radius);font-weight:600;transition:.15s;background:#fff}
.cat-card:hover{border-color:var(--accent);transform:translateY(-2px)}
.cat-card small{color:var(--muted);font-weight:500}

/* tool grid */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:16px}
.card{display:flex;flex-direction:column;gap:10px;padding:20px;border:1px solid var(--line);
  border-radius:var(--radius);background:#fff;transition:.15s;min-height:170px}
.card:hover{border-color:#c9ccd4;box-shadow:0 8px 28px rgba(15,15,30,.06);transform:translateY(-2px)}
.card-top{display:flex;justify-content:space-between;align-items:center}
.card-cat{font-size:12px;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}
.card-title{font-size:18px;font-weight:700;margin:0}
.card-tag{font-size:14px;color:var(--muted);margin:0;flex:1}
.card-foot{display:flex;justify-content:space-between;align-items:center;margin-top:auto}
.price{font-weight:600;font-size:14px}
.arrow{color:var(--accent);font-weight:700}
.tag{font-size:11px;font-weight:600;padding:3px 8px;border-radius:999px;background:var(--soft);color:var(--muted)}
.tag-free{background:#e9fbf0;color:#0e8a47}

/* detail */
.crumbs{font-size:13px;color:var(--muted);margin-bottom:18px}
.crumbs a:hover{color:var(--accent)}
.detail h1{font-size:38px;letter-spacing:-.03em;margin:0 0 8px}
.quick{display:flex;gap:24px;flex-wrap:wrap;padding:16px 0;margin:14px 0 20px;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);font-size:14px}
.quick b{display:block;font-size:12px;color:var(--muted);font-weight:600;text-transform:uppercase;letter-spacing:.04em}
.body-text{font-size:17px;margin:28px 0}
.detail h2{font-size:22px;letter-spacing:-.02em;margin:36px 0 14px}
.detail h3{font-size:16px;margin:0 0 10px}
ul.ticks,ul.crosses{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:8px}
ul.ticks li,ul.crosses li{padding-left:26px;position:relative;font-size:15px}
ul.ticks li:before{content:"✓";position:absolute;left:0;color:#0e8a47;font-weight:700}
ul.crosses li:before{content:"−";position:absolute;left:0;color:#c2410c;font-weight:700}
.proscons{display:grid;grid-template-columns:1fr 1fr;gap:32px;margin:8px 0 8px}

/* compare */
.vs{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.vs-col{padding:24px;border:1px solid var(--line);border-radius:var(--radius);background:#fff}
.vs-col h2{margin:0 0 6px}
.price-lg{font-size:24px;font-weight:800;margin:10px 0 4px}

/* row head + pills */
.row-head{display:flex;justify-content:space-between;align-items:baseline}
.more{font-size:14px;font-weight:600;color:var(--accent)}
.more:hover{color:var(--accent-ink)}
.pills{display:flex;flex-wrap:wrap;gap:10px}
.pill{display:inline-block;padding:9px 16px;border:1px solid var(--line);border-radius:999px;
  font-size:14px;font-weight:600;background:#fff;transition:.15s}
.pill:hover{border-color:var(--accent);color:var(--accent-ink);transform:translateY(-1px)}

/* takeaways box */
.takeaways{background:var(--soft);border:1px solid var(--line);border-radius:12px;padding:18px 22px;margin:22px 0}
.takeaways h2{margin:0 0 10px;font-size:15px;text-transform:uppercase;letter-spacing:.05em;color:var(--accent-ink)}
.takeaways ul{margin:0;padding-left:18px}
.takeaways li{margin:6px 0;font-weight:500}

/* comparison table */
table.cmp{width:100%;border-collapse:collapse;margin:18px 0;font-size:15px}
table.cmp th,table.cmp td{border:1px solid var(--line);padding:10px 14px;text-align:left}
table.cmp thead th{background:var(--soft);font-weight:700}
table.cmp tbody th{font-weight:600;color:var(--muted);width:34%}

/* faq */
.faqs{display:flex;flex-direction:column;gap:10px}
.faq{border:1px solid var(--line);border-radius:10px;padding:14px 18px;background:#fff}
.faq summary{font-weight:600;cursor:pointer;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary:before{content:"+ ";color:var(--accent);font-weight:800}
.faq[open] summary:before{content:"− "}
.faq p{margin:10px 0 0;color:var(--muted)}

/* footer */
.site-footer{border-top:1px solid var(--line);padding:40px 0;margin-top:40px}
.site-footer p{margin:4px 0}

@media(max-width:640px){
  .proscons,.vs{grid-template-columns:1fr}
  .hero{padding:56px 0 40px}
  .detail h1{font-size:30px}
  .quick{gap:16px}
  .nav{position:relative}
  .nav-toggle{display:flex}
  .nav-links{position:absolute;top:60px;left:0;right:0;flex-direction:column;gap:0;
    background:#fff;border-bottom:1px solid var(--line);
    max-height:0;overflow:hidden;transition:max-height .25s ease}
  .nav-links a{padding:14px 24px;border-top:1px solid var(--line);font-size:16px}
  .site-header.open .nav-links{max-height:320px}
  .site-header.open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .site-header.open .nav-toggle span:nth-child(2){opacity:0}
  .site-header.open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
}