:root{
  --brand:#2b52d8; --brand2:#1f3fb0; --brand-bg:#eef2ff; --accent:#0e9f7e;
  --ink:#12172a; --gray:#57607a; --soft:#8a93a8; --line:#e4e8f2; --bg:#f6f8fc; --white:#fff;
  --maxw:1120px; --read:780px;
  --shadow:0 1px 2px rgba(20,35,80,.05); --shadow-lg:0 10px 28px rgba(20,40,110,.10);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.68;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:var(--brand2)}
img,svg{max-width:100%}
.adslot{max-width:100%}
.adslot>div{max-width:100%;margin-left:auto;margin-right:auto}

/* nav */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.95);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line)}
.nav-in{max-width:var(--maxw);margin:0 auto;padding:11px 18px;display:flex;align-items:center;gap:16px}
.brand{font-weight:800;font-size:19px;color:var(--ink);text-decoration:none;display:flex;align-items:center;
  gap:9px;white-space:nowrap}
.brand .dot{width:12px;height:12px;border-radius:4px;background:linear-gradient(135deg,#2b52d8,#0e9f7e);
  display:inline-block;transform:rotate(45deg)}
.nav-links{display:flex;gap:15px;flex-wrap:wrap;margin-left:6px}
.nav-links a{color:var(--gray);text-decoration:none;font-size:14.5px;font-weight:600}
.nav-links a:hover{color:var(--brand2)}
.nav-cta{margin-left:auto;background:var(--brand);color:#fff;text-decoration:none;font-weight:700;
  font-size:14px;padding:9px 15px;border-radius:10px;white-space:nowrap}
.nav-cta:hover{background:var(--brand2)}

/* layout */
.wrap{max-width:var(--maxw);margin:0 auto;padding:26px 18px}
.read{max-width:var(--read);margin:0 auto;padding:22px 18px 56px}
.crumbs{font-size:13px;color:var(--soft);margin:0 0 12px;line-height:1.9}
.crumbs a{color:var(--soft);text-decoration:none}
.crumbs a:hover{text-decoration:underline}
.crumbs span{opacity:.6;padding:0 2px}
h1{font-size:32px;line-height:1.2;margin:14px 0 8px;letter-spacing:-.015em}
.dek{font-size:18.5px;color:var(--gray);margin:0 0 10px}
.lead{font-size:17.5px;color:var(--gray)}
.byline{font-size:13.5px;color:var(--soft);margin:8px 0 0;line-height:1.65}
.byline a{color:var(--soft)}
h2{font-size:23px;margin:34px 0 8px;letter-spacing:-.012em;line-height:1.3}
h3{font-size:18.5px;margin:22px 0 6px}
p{margin:14px 0;font-size:17px}
ul,ol{font-size:17px;padding-left:22px}
li{margin:8px 0}
code{background:#eef2f8;padding:1px 6px;border-radius:5px;font-size:15px;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
hr{border:none;border-top:1px solid var(--line);margin:12px 0}
blockquote{margin:18px 0;padding:2px 18px;border-left:3px solid var(--brand);color:var(--gray)}

/* banner */
.banner{margin:6px 0 4px;line-height:0}
.banner svg{width:100%;height:auto;display:block;border-radius:18px}

/* ads */
.adslot{margin:24px 0;min-height:90px;text-align:center}
.adlabel{display:block;font-size:11px;color:#aab6c6;letter-spacing:1.2px;margin-bottom:5px}

/* tool widget */
.calc{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:18px 0;align-items:start}
.calc-inputs{background:var(--white);border:1px solid var(--line);border-radius:16px;padding:18px 18px 8px;
  box-shadow:var(--shadow)}
.field{margin:0 0 14px;display:flex;flex-direction:column}
.field label{font-size:13.5px;font-weight:700;color:var(--gray);margin:0 0 6px}
.field input,.field select,.field textarea{width:100%;padding:11px 13px;border:1.5px solid var(--line);
  border-radius:11px;font-size:16px;font-family:inherit;color:var(--ink);background:#fff}
.field textarea{resize:vertical;line-height:1.55;min-height:150px}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--brand)}
.field-help{font-size:13px;color:var(--soft);margin:0 0 14px}
.calc-result{background:linear-gradient(165deg,#2b52d8,#1f3fb0);color:#fff;border-radius:16px;
  padding:22px 20px;box-shadow:var(--shadow-lg);position:sticky;top:72px}
.calc-result .big{font-size:33px;font-weight:800;letter-spacing:-.02em;margin:0 0 14px;line-height:1.12}
.calc-result .big span{font-size:15px;font-weight:600;opacity:.85}
.calc-result .rrow{display:flex;justify-content:space-between;gap:10px;padding:7px 0;
  border-bottom:1px solid rgba(255,255,255,.16);font-size:14.5px}
.calc-result .rrow span{opacity:.85}
.calc-result .rrow b{font-weight:700;text-align:right}
.calc-result hr{border-top:1px solid rgba(255,255,255,.22);margin:8px 0}
.calc-result .note-inline{font-size:12.8px;opacity:.88;margin:14px 0 0;line-height:1.55}
.meter{height:8px;border-radius:99px;background:rgba(255,255,255,.22);margin:12px 0 2px;overflow:hidden}
.meter i{display:block;height:100%;background:#8ef0c9;border-radius:99px}
.explainer{margin-top:10px}
.compare-block{margin:30px 0}

/* tables */
.tbl-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:12px 0}
table.ref{width:100%;border-collapse:collapse;font-size:14.5px}
table.ref th,table.ref td{text-align:left;padding:9px 11px;border-bottom:1px solid var(--line);white-space:nowrap}
table.ref th{background:var(--brand-bg);color:var(--brand2);font-size:12.5px;text-transform:uppercase;
  letter-spacing:.4px}
table.ref tr.vendor-row th{background:#f2f5fb;color:var(--ink);font-size:12.5px}
table.ref tr.is-sel{background:#eef6ff;font-weight:700}
table.ref td.muted{color:var(--soft)}

/* pricing data block */
.pricedata{background:var(--white);border:1px solid var(--line);border-radius:16px;padding:6px 20px 18px;
  margin:26px 0;box-shadow:var(--shadow)}
.pricedata h2{font-size:20px}
.pricedata-note{font-size:13.5px;color:var(--gray);background:#fbfcff;border-left:3px solid var(--brand);
  padding:10px 14px;border-radius:0 8px 8px 0}
.pricing-notes{font-size:13.5px;color:var(--gray)}
.pricing-src{font-size:13.5px;color:var(--gray)}
.freshness{font-size:14px;color:var(--gray);background:#fffaf0;border:1px solid #f3e2bd;
  border-radius:12px;padding:13px 16px;margin:20px 0}

/* cards & lists */
.sec-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin:36px 0 6px}
.sec-head h2{margin:0}
.sec-head a{font-size:14px;font-weight:700;color:var(--brand2);text-decoration:none;white-space:nowrap}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(265px,1fr));gap:16px;margin:16px 0}
.card{display:block;background:var(--white);border:1px solid var(--line);border-radius:14px;padding:18px;
  text-decoration:none;color:var(--ink);box-shadow:var(--shadow);transition:.14s}
.card:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px);border-color:#c3d0f7}
.card .k{font-size:11.5px;font-weight:800;color:var(--brand2);text-transform:uppercase;letter-spacing:.6px}
.card h3{margin:7px 0 5px;font-size:17.5px;line-height:1.3}
.card p{margin:0;font-size:14.5px;color:var(--gray)}
.list-item{display:block;background:var(--white);border:1px solid var(--line);border-radius:14px;
  padding:16px 18px;margin:12px 0;text-decoration:none;color:var(--ink);box-shadow:var(--shadow)}
.list-item:hover{border-color:#c3d0f7;box-shadow:var(--shadow-lg)}
.list-item h3{margin:0 0 5px;font-size:18px;line-height:1.32}
.list-item p{margin:0;font-size:14.5px;color:var(--gray)}
.list-item .meta{display:block;margin-top:8px;font-size:12.5px;color:var(--soft)}
.pills{display:flex;flex-wrap:wrap;gap:10px;margin:14px 0}
.pill{background:var(--white);border:1px solid var(--line);border-radius:999px;padding:8px 15px;
  text-decoration:none;color:var(--ink);font-weight:600;font-size:14px}
.pill:hover{border-color:var(--brand);color:var(--brand2)}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin:24px 0 0}
.tag{font-size:12.5px;background:var(--brand-bg);color:var(--brand2);border-radius:999px;padding:4px 12px;
  font-weight:600}

/* hero */
.hero{background:linear-gradient(150deg,#2b52d8,#6c37c9 55%,#0e9f7e);color:#fff;border-radius:22px;
  padding:46px 28px;margin:8px 0 6px;text-align:center}
.hero h1{color:#fff;font-size:37px;margin:0 0 10px}
.hero p{color:#e7edff;font-size:18.5px;max-width:640px;margin:0 auto 22px}
.hero-btns{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.hero .btn{background:#fff;color:var(--brand2)}
.hero .btn:hover{background:#f2f5ff}

/* buttons */
.btn{display:inline-block;background:var(--brand);color:#fff;font-weight:700;text-decoration:none;
  border:none;cursor:pointer;font-size:16px;padding:14px 24px;border-radius:12px;font-family:inherit}
.btn:hover{background:var(--brand2)}
.btn-ghost{display:inline-block;background:transparent;color:var(--brand2);font-weight:700;
  text-decoration:none;border:1.5px solid var(--line);cursor:pointer;font-size:16px;padding:12px 22px;
  border-radius:12px;font-family:inherit}
.btn-ghost:hover{border-color:var(--brand)}
.btn-ghost.light{color:#fff;border-color:rgba(255,255,255,.6)}
.btn-ghost.light:hover{border-color:#fff;background:rgba(255,255,255,.12)}

/* picker */
.steps{list-style:none;display:flex;gap:8px;flex-wrap:wrap;padding:0;margin:14px 0 4px;font-size:13px}
.steps li{display:flex;align-items:center;gap:7px;color:var(--soft);font-weight:600}
.steps li:not(:last-child):after{content:"";width:16px;height:1px;background:var(--line);margin-left:4px}
.steps li span{width:23px;height:23px;border-radius:50%;background:#e9edf7;color:var(--soft);
  display:inline-flex;align-items:center;justify-content:center;font-size:12px;font-weight:800}
.steps li.now{color:var(--brand2)}
.steps li.now span{background:var(--brand);color:#fff}
.steps li.done{color:var(--accent)}
.steps li.done span{background:var(--accent);color:#fff}
.picker{margin:18px 0 8px}
.choice{display:block;background:var(--white);border:1.5px solid var(--line);border-radius:14px;
  padding:15px 16px;margin:11px 0;cursor:pointer;transition:.12s}
.choice:hover{border-color:#c3d0f7}
.choice input{margin-right:12px;accent-color:var(--brand);transform:scale(1.15)}
.choice:has(input:checked){border-color:var(--brand);background:var(--brand-bg)}
.ch-body{display:inline-block;vertical-align:top;width:calc(100% - 34px)}
.ch-body b{display:block;font-size:16.5px;margin-bottom:2px}
.ch-body em{font-style:normal;font-size:14px;color:var(--gray)}
.picker-actions{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-top:20px}
.picker-err{color:#c02626;font-size:14.5px;font-weight:600;margin:12px 0 0}
.picker-note{font-size:13.5px;color:var(--soft);margin-top:22px}
.picker-note p{font-size:13.5px}
.verdict{background:linear-gradient(160deg,#2b52d8,#1f3fb0);color:#fff;border-radius:18px;
  padding:24px 22px;box-shadow:var(--shadow-lg)}
.verdict .k{font-size:11.5px;font-weight:800;text-transform:uppercase;letter-spacing:.7px;opacity:.85}
.verdict h2{color:#fff;margin:6px 0 8px;font-size:25px}
.verdict .answers{font-size:14px;color:#dbe4ff;margin:0}
.rec-body{margin:6px 0}

/* article extras */
.prose h2{margin-top:34px}
.prose ul,.prose ol{margin:14px 0}
.tool-cta{background:var(--brand-bg);border:1px solid #ccd8fb;border-radius:16px;padding:18px 20px;
  margin:28px 0}
.tool-cta h2{margin:0 0 6px;font-size:20px}
.tool-cta p{margin:4px 0 14px;font-size:16px}
.related{margin-top:36px;border-top:1px solid var(--line);padding-top:20px}
.related h2{font-size:19px;margin:0 0 10px}
.related>a{display:block;color:var(--brand2);text-decoration:none;font-weight:600;padding:6px 0}
.related>a:hover{text-decoration:underline}
.disclaimer{background:#fff;border:1px solid var(--line);border-left:3px solid var(--accent);
  border-radius:0 12px 12px 0;padding:14px 18px;margin:26px 0 0;font-size:13.8px;color:var(--gray)}
.note-inline{font-size:13.8px;color:var(--gray)}

/* footer */
footer.site{background:#101728;color:#a9b6cd;margin-top:52px}
footer.site .f-in{max-width:var(--maxw);margin:0 auto;padding:36px 18px;display:grid;
  grid-template-columns:repeat(auto-fit,minmax(148px,1fr));gap:24px}
footer.site h4{color:#fff;font-size:13.5px;margin:0 0 10px;text-transform:uppercase;letter-spacing:.6px}
footer.site a{display:block;color:#a9b6cd;text-decoration:none;font-size:14px;padding:4px 0}
footer.site a:hover{color:#fff}
footer.site .legal{border-top:1px solid #223049;font-size:12.5px;color:#8392ab;text-align:center;
  padding:16px 18px;line-height:1.6}

@media (max-width:760px){
  .calc{grid-template-columns:1fr}
  .calc-result{position:static}
}
@media (max-width:640px){
  h1{font-size:26px}.hero h1{font-size:28px}.hero{padding:34px 20px}
  .nav-links{display:none}
  p,ul,ol{font-size:16px}
  .dek{font-size:17px}
  .verdict h2{font-size:21px}
}