:root{
  --teal:#0d9488; --teal-d:#0f766e; --teal-l:#5eead4; --blue:#0369a1; --blue-d:#075985;
  --ink:#0f172a; --ink-2:#1e293b; --slate:#475569; --slate-l:#64748b; --line:#e2e8f0;
  --bg:#ffffff; --bg-2:#f8fafc; --bg-3:#f1f5f9; --amber:#f59e0b; --amber-l:#fbbf24;
  --good:#059669; --bad:#dc2626; --warn:#d97706;
  --shadow:0 1px 2px rgba(15,23,42,.04),0 8px 24px -12px rgba(15,23,42,.12);
  --shadow-lg:0 12px 40px -16px rgba(15,23,42,.22);
  --r:14px; --r-s:10px; --max:1120px;
  --serif:"Fraunces",Georgia,"Times New Roman",serif;
  --sans:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--sans);color:var(--ink-2);background:var(--bg);line-height:1.7;font-size:17px;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img,svg{max-width:100%;height:auto;display:block}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{width:100%;max-width:var(--max);margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-9999px;top:0;background:var(--teal);color:#fff;padding:10px 16px;z-index:200;border-radius:0 0 8px 0}
.skip:focus{left:0}

/* header */
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.86);backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:18px;height:66px}
.brand{display:flex;align-items:center;gap:0;flex:0 0 auto}
.brand svg{height:38px;width:auto}
.nav-links{margin-left:auto;display:flex;align-items:center;gap:6px}
.nav-links a{color:var(--ink-2);font-weight:600;font-size:15px;padding:9px 12px;border-radius:9px;white-space:nowrap}
.nav-links a:hover{background:var(--bg-3);text-decoration:none;color:var(--teal-d)}
.nav-links a[aria-current="page"]{color:var(--teal-d);background:var(--bg-3)}
.nav-links a.cta{background:var(--teal);color:#fff;padding:9px 16px}
.nav-links a.cta:hover{background:var(--teal-d);color:#fff}
.nav-toggle{display:none;margin-left:auto;background:none;border:1px solid var(--line);border-radius:10px;
  width:44px;height:44px;color:var(--ink);cursor:pointer;align-items:center;justify-content:center}
.nav-toggle svg{height:22px;width:22px}

/* hero / sections */
.hero{background:
  radial-gradient(1200px 460px at 80% -10%,rgba(94,234,212,.22),transparent 60%),
  radial-gradient(900px 420px at 5% 0%,rgba(3,105,161,.10),transparent 55%),
  linear-gradient(180deg,#fbfdfd,#fff);
  padding:clamp(48px,7vw,92px) 0 clamp(40px,5vw,64px);border-bottom:1px solid var(--line)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:13px;letter-spacing:.06em;
  text-transform:uppercase;color:var(--teal-d);background:#ecfdf5;border:1px solid #ccfbf1;
  padding:6px 13px;border-radius:999px}
h1{font-family:var(--serif);font-weight:600;color:var(--ink);line-height:1.1;margin:18px 0 0;
  font-size:clamp(2rem,5vw,3.3rem);letter-spacing:-.01em}
.hero p.lead,.lead{font-size:clamp(1.07rem,2.1vw,1.32rem);color:var(--slate);max-width:60ch;margin:18px 0 0;line-height:1.6}
.grad-text{background:linear-gradient(100deg,var(--teal),var(--blue));-webkit-background-clip:text;background-clip:text;color:transparent}
.section{padding:clamp(44px,6vw,76px) 0}
.section.alt{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
h2{font-family:var(--serif);font-weight:600;color:var(--ink);font-size:clamp(1.5rem,3.2vw,2.1rem);
  line-height:1.18;margin:0 0 .5em;letter-spacing:-.01em}
h3{font-size:1.22rem;color:var(--ink);margin:1.8em 0 .4em;font-weight:700}
.section-intro{color:var(--slate);max-width:62ch;font-size:1.06rem}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:9px;font-weight:700;font-size:15px;border-radius:11px;
  padding:13px 22px;cursor:pointer;border:1px solid transparent;transition:.15s;line-height:1}
.btn-primary{background:var(--teal);color:#fff}
.btn-primary:hover{background:var(--teal-d);text-decoration:none;color:#fff;transform:translateY(-1px)}
.btn-ghost{background:#fff;color:var(--ink-2);border-color:var(--line)}
.btn-ghost:hover{background:var(--bg-3);text-decoration:none;border-color:#cbd5e1}
.btn-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}

/* cards / grid */
.grid{display:grid;gap:18px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:22px;box-shadow:var(--shadow);
  transition:.18s;display:flex;flex-direction:column}
a.card:hover{text-decoration:none;transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:#cbd5e1}
.card .ic{width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#ecfdf5,#e0f2fe);color:var(--teal-d);margin-bottom:14px}
.card .ic svg{width:24px;height:24px}
.card h3{margin:0 0 6px;font-size:1.12rem;color:var(--ink)}
.card p{margin:0;color:var(--slate);font-size:.96rem;line-height:1.55}
.card .tag{margin-top:auto;padding-top:14px;font-weight:700;font-size:.86rem;color:var(--teal-d)}
.pill{display:inline-block;font-size:.72rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;
  color:var(--blue-d);background:#e0f2fe;border-radius:999px;padding:3px 10px;margin-bottom:10px;align-self:flex-start}
.pill.tool{color:#9a3412;background:#ffedd5}
.pill.meta{color:#3730a3;background:#e0e7ff}

/* prose / article */
.prose{max-width:760px;margin-inline:auto;font-size:17px;color:var(--ink-2)}
.article-wrap{max-width:760px;margin-inline:auto}
.prose p{margin:0 0 1.15em}
.prose h2{margin-top:1.8em}
.prose h3{margin-top:1.5em}
.prose ul,.prose ol{margin:0 0 1.2em;padding-left:1.3em}
.prose li{margin:.42em 0}
.prose strong{color:var(--ink)}
.prose a{color:var(--blue);text-decoration:underline;text-underline-offset:2px}
.lead-article{font-size:1.18rem;line-height:1.6;color:var(--slate);margin:0 0 1.4em}
.callout{background:#f0fdfa;border:1px solid #99f6e4;border-left:4px solid var(--teal);
  border-radius:12px;padding:16px 20px;margin:1.5em 0}
.callout.warn{background:#fffbeb;border-color:#fde68a;border-left-color:var(--amber)}
.callout.tip{background:#eff6ff;border-color:#bfdbfe;border-left-color:var(--blue)}
.callout p{margin:0}
.callout strong{color:var(--ink)}
.keytakeaways{background:var(--bg-2);border:1px solid var(--line);border-radius:14px;padding:20px 24px;margin:0 0 2em}
.keytakeaways h2{font-size:1.15rem;margin:0 0 .5em;font-family:var(--sans);font-weight:800}
.keytakeaways ul{margin:0;padding-left:1.1em}
.keytakeaways li{margin:.35em 0;color:var(--ink-2)}

/* table */
.tbl-wrap{overflow-x:auto;margin:1.5em 0;border:1px solid var(--line);border-radius:12px}
table{border-collapse:collapse;width:100%;font-size:.95rem;min-width:480px}
th,td{text-align:left;padding:12px 16px;border-bottom:1px solid var(--line)}
th{background:var(--bg-2);font-weight:700;color:var(--ink);font-size:.82rem;text-transform:uppercase;letter-spacing:.03em}
tr:last-child td{border-bottom:none}
td strong{color:var(--ink)}

/* checklist */
.checklist{list-style:none;padding:0;margin:1.4em 0}
.checklist li{position:relative;padding:10px 0 10px 38px;border-bottom:1px solid var(--line)}
.checklist li:last-child{border-bottom:none}
.checklist li::before{content:"";position:absolute;left:0;top:12px;width:24px;height:24px;border-radius:7px;
  background:#ecfdf5 url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230d9488' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center/15px no-repeat;border:1px solid #99f6e4}

/* faq */
.faq{margin:1em 0}
.faq details{border:1px solid var(--line);border-radius:12px;margin:0 0 12px;background:#fff;overflow:hidden}
.faq summary{cursor:pointer;padding:16px 20px;font-weight:700;color:var(--ink);list-style:none;
  display:flex;justify-content:space-between;align-items:center;gap:12px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.4rem;color:var(--teal);font-weight:400;transition:.2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details[open] summary{border-bottom:1px solid var(--line)}
.faq .faq-body{padding:4px 20px 18px;color:var(--slate)}
.faq .faq-body p{margin:.6em 0}

/* breadcrumb / meta */
.crumb{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:.86rem;color:var(--slate-l);padding:18px 0 0}
.crumb a{color:var(--slate-l)}
.crumb a:hover{color:var(--teal-d)}
.crumb span{color:#cbd5e1}
.byline{display:flex;align-items:center;gap:12px;margin:22px 0 6px;padding:14px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.byline img{width:44px;height:44px;border-radius:50%}
.byline .bi{font-size:.9rem;color:var(--slate)}
.byline .bi b{color:var(--ink);display:block;font-size:.96rem}
.toc{background:var(--bg-2);border:1px solid var(--line);border-radius:14px;padding:18px 22px;margin:0 0 2em}
.toc strong{display:block;font-size:.82rem;text-transform:uppercase;letter-spacing:.05em;color:var(--slate);margin-bottom:8px}
.toc ol{margin:0;padding-left:1.2em;columns:2;column-gap:28px}
.toc li{margin:.25em 0}
.toc a{color:var(--blue)}

/* tools */
.tool-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:clamp(20px,3vw,30px);box-shadow:var(--shadow);margin:0 0 26px}
.tool-grid{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(180px,1fr))}
.field{display:flex;flex-direction:column;gap:6px}
.field label{font-weight:700;font-size:.86rem;color:var(--ink-2)}
.field .hint{font-size:.78rem;color:var(--slate-l);font-weight:400}
.field input,.field select{font:inherit;font-size:16px;padding:12px 14px;border:1.5px solid var(--line);border-radius:11px;
  background:#fff;color:var(--ink);width:100%;transition:.15s}
.field input:focus,.field select:focus{outline:none;border-color:var(--teal);box-shadow:0 0 0 3px rgba(13,148,136,.13)}
.inputgrp{display:flex;align-items:stretch}
.inputgrp .pfx{display:flex;align-items:center;padding:0 12px;background:var(--bg-3);border:1.5px solid var(--line);
  border-right:none;border-radius:11px 0 0 11px;color:var(--slate);font-weight:700}
.inputgrp input{border-radius:0 11px 11px 0}
.result{margin-top:22px;padding:20px 22px;border-radius:14px;background:linear-gradient(135deg,#f0fdfa,#e0f2fe);
  border:1px solid #99f6e4}
.result.hidden{display:none}
.result .big{font-family:var(--serif);font-size:clamp(1.8rem,5vw,2.6rem);font-weight:700;color:var(--teal-d);line-height:1.1}
.result .lbl{font-size:.8rem;text-transform:uppercase;letter-spacing:.05em;color:var(--slate);font-weight:700}
.result .sub{margin-top:8px;color:var(--ink-2);font-size:.98rem}
.result-row{display:flex;flex-wrap:wrap;gap:24px}
.result-row>div{flex:1;min-width:140px}
.verdict{font-weight:800;padding:4px 12px;border-radius:999px;display:inline-block;font-size:.95rem}
.verdict.good{background:#dcfce7;color:#166534}
.verdict.bad{background:#fee2e2;color:#991b1b}
.verdict.mid{background:#fef3c7;color:#92400e}
.muted{color:var(--slate-l);font-size:.88rem}

/* ad slot */
.ad-slot{margin:30px auto;text-align:center;min-height:0}
.ad-label{font-size:.66rem;letter-spacing:.12em;text-transform:uppercase;color:#cbd5e1;margin-bottom:4px}

/* infographic */
.figure{margin:1.8em 0;border:1px solid var(--line);border-radius:16px;overflow:hidden;background:#fff;box-shadow:var(--shadow)}
.figure svg{width:100%;height:auto;display:block;background:#fff}
.figure figcaption{padding:12px 18px;font-size:.85rem;color:var(--slate);background:var(--bg-2);border-top:1px solid var(--line)}

/* disclosure */
.disclosure{font-size:.82rem;color:var(--slate-l);background:var(--bg-2);border:1px dashed var(--line);
  border-radius:10px;padding:11px 16px;margin:1.6em 0}
.disclosure a{color:var(--slate)}

/* footer */
.site-footer{background:#0b1220;color:#cbd5e1;margin-top:0;padding:54px 0 30px;font-size:.95rem}
.site-footer .fgrid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.site-footer h4{color:#fff;font-size:.84rem;text-transform:uppercase;letter-spacing:.06em;margin:0 0 14px}
.site-footer a{color:#94a3b8;display:block;padding:4px 0}
.site-footer a:hover{color:var(--teal-l);text-decoration:none}
.site-footer .fbrand svg{height:36px}
.site-footer .fbrand p{color:#94a3b8;font-size:.9rem;margin:14px 0 0;max-width:34ch;line-height:1.6}
.site-footer .fbot{margin-top:36px;padding-top:22px;border-top:1px solid #1e293b;display:flex;flex-wrap:wrap;
  gap:14px;justify-content:space-between;align-items:center;color:#64748b;font-size:.85rem}
.site-footer .fbot a{display:inline;color:#64748b}

/* cookie */
#cookie-bar{position:fixed;left:14px;right:14px;bottom:14px;z-index:300;background:#0f172a;color:#e2e8f0;
  border-radius:14px;padding:16px 20px;box-shadow:0 20px 50px -12px rgba(0,0,0,.5);display:none;
  gap:16px;align-items:center;flex-wrap:wrap;max-width:760px;margin:0 auto}
#cookie-bar.show{display:flex}
#cookie-bar p{margin:0;font-size:.9rem;flex:1;min-width:240px;color:#cbd5e1}
#cookie-bar a{color:var(--teal-l)}
#cookie-bar .cbtns{display:flex;gap:10px}
#cookie-bar button{font:inherit;font-weight:700;font-size:.86rem;border-radius:10px;padding:10px 16px;cursor:pointer;border:1px solid #334155}
#cookie-bar .acc{background:var(--teal);color:#fff;border-color:var(--teal)}
#cookie-bar .dec{background:transparent;color:#cbd5e1}

@media(max-width:880px){
  .site-footer .fgrid{grid-template-columns:1fr 1fr}
  .g4{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:760px){
  .nav-toggle{display:flex}
  .nav-links{position:absolute;top:66px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);
    flex-direction:column;align-items:stretch;padding:10px 16px 18px;gap:2px;display:none;box-shadow:var(--shadow-lg)}
  .nav-links.open{display:flex}
  .nav-links a{padding:13px 12px;border-radius:10px}
  .nav-links a.cta{margin-top:6px;text-align:center;justify-content:center}
  .g2,.g3{grid-template-columns:1fr}
  .toc ol{columns:1}
  .site-footer .fgrid{grid-template-columns:1fr}
  body{font-size:16px}
}
@media(max-width:430px){ .g4{grid-template-columns:1fr} }
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}