/* Extracted verbatim from the live payflowfix.dev homepage so new pages
   inherit the exact same visual language. Do not restyle; add below. */

 :root{
  --bg:#071522; --panel:#0a1f31; --panel2:#0e2942; --line:#17364f;
  --text:#f6f9fc; --muted:#adbdcc; --dim:#7c93a8;
  --accent:#635bff; --accent-hi:#7a73ff; --green:#10b981; --amber:#f59e0b; --red:#ef4444;
  /* RGB triplets so translucent variants stay derived from the palette
     instead of drifting into hard-coded literals. */
  --accent-rgb:99,91,255; --accent-hi-rgb:122,115,255; --line-rgb:23,54,79;
  --green-rgb:16,185,129; --amber-rgb:245,158,11; --red-rgb:239,68,68;
  /* Text-safe variants. --accent (3.9:1) and --red (3.9:1) pass as fills and
     borders but fail WCAG 2.2 AA 4.5:1 when they carry small text on these
     dark backgrounds. Any colour that renders glyphs uses one of these. */
  --accent-text:#9d99ff; --red-text:#f87171;
  /* Legacy alias: referenced by .svc .tag and by tools/email-auth/app.js. */
  --accent2:#7a73ff;
  --grad:linear-gradient(90deg,#635bff,#7a73ff);
  /* Button gradient: both stops are dark enough for white text (4.7:1 min). */
  --grad-btn:linear-gradient(90deg,#4f46e5,#635bff);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font:16px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,"Helvetica Neue",Arial,sans-serif;-webkit-font-smoothing:antialiased}
.mono{font-family:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
a{color:var(--accent-text);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:1080px;margin:0 auto;padding:0 24px}
section{padding:84px 0}
h1,h2,h3{line-height:1.15;letter-spacing:-.02em}
h1{font-size:clamp(2.1rem,5vw,3.4rem);font-weight:800}
h2{font-size:clamp(1.6rem,3.4vw,2.3rem);font-weight:750;margin-bottom:14px}
.eyebrow{font-family:"JetBrains Mono",monospace;font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;color:var(--accent-text);margin-bottom:12px}
.lead{color:var(--muted);font-size:1.12rem;max-width:62ch}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* ---------- header ---------- */
header{position:sticky;top:0;z-index:50;background:rgba(7,21,34,.85);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:750;letter-spacing:-.01em;color:var(--text)}
.brand:hover{text-decoration:none}
.brand svg{width:28px;height:28px}
.nav-links{display:flex;align-items:center;gap:26px;font-size:.92rem}
.nav-links a{color:var(--muted)}
.nav-links a:hover{color:var(--text);text-decoration:none}
.btn{display:inline-block;border-radius:10px;padding:12px 22px;font-weight:650;font-size:.95rem;cursor:pointer;border:1px solid transparent;transition:transform .12s ease,box-shadow .2s ease}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn-primary{background:var(--grad-btn);color:#fff;font-weight:700}
.btn-primary:hover{box-shadow:0 8px 30px rgba(var(--accent-rgb),.35)}
.btn-ghost{border-color:var(--line);color:var(--text);background:transparent}
.btn-ghost:hover{border-color:var(--accent)}
.nav .btn{padding:9px 18px}
#menuBtn{display:none;background:none;border:1px solid var(--line);color:var(--text);border-radius:8px;padding:7px 11px;font-size:1.1rem;cursor:pointer}
@media(max-width:820px){
  .nav-links{display:none;position:absolute;top:64px;left:0;right:0;background:var(--panel);border-bottom:1px solid var(--line);flex-direction:column;align-items:flex-start;padding:18px 24px;gap:16px}
  .nav-links.open{display:flex}
  #menuBtn{display:block}
}

/* Skip link — visually hidden until keyboard focus. */
.skip{position:absolute;left:-9999px;top:0;z-index:100;background:var(--accent);color:#fff;padding:10px 18px;border-radius:0 0 10px 0;font-weight:700}
.skip:focus{left:0}

/* Promo bar under the header (also used by the homepage notice strip). */
.notice-bar{background:var(--panel2);border-bottom:1px solid var(--line);padding:8px 0}
.notice-bar .container{display:flex;gap:20px;flex-wrap:wrap;align-items:center;font-size:.85rem;color:var(--muted)}
.notice-bar .sep{color:var(--line)}

/* ---------- hero ---------- */
.hero{position:relative;padding:110px 0 90px;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:
  radial-gradient(600px 300px at 20% 0%,rgba(var(--accent-rgb),.09),transparent 60%),
  radial-gradient(700px 340px at 85% 10%,rgba(var(--accent-hi-rgb),.10),transparent 60%),
  radial-gradient(1px 1px at 20% 30%,rgba(148,163,184,.35) 50%,transparent 51%),
  radial-gradient(1px 1px at 60% 60%,rgba(148,163,184,.25) 50%,transparent 51%),
  radial-gradient(1px 1px at 85% 40%,rgba(148,163,184,.3) 50%,transparent 51%);
  background-size:auto,auto,160px 160px,180px 180px,140px 140px;
  pointer-events:none}
.hero .container{position:relative}
.badge{display:inline-flex;align-items:center;gap:8px;font-size:.82rem;color:var(--muted);border:1px solid var(--line);border-radius:999px;padding:6px 14px;margin-bottom:22px}
.dot{width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 0 3px rgba(var(--green-rgb),.2)}
.hero h1{max-width:18ch}
.hero .lead{margin:22px 0 34px}
.cta-row{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:40px}
.chip{font-family:"JetBrains Mono",monospace;font-size:.78rem;color:var(--muted);border:1px solid var(--line);border-radius:8px;padding:5px 11px;background:rgba(255,255,255,.02)}

/* ---------- pains ---------- */
.pains{background:var(--panel);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.pain-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:14px;margin-top:38px}
.pain{background:var(--panel2);border:1px solid var(--line);border-radius:12px;padding:20px 22px}
.pain b{display:block;margin-bottom:6px;font-size:1rem}
.pain p{color:var(--muted);font-size:.92rem}
.pain .ic{font-family:"JetBrains Mono",monospace;color:var(--red-text);font-size:1rem;display:block;margin-bottom:10px}

/* ---------- services ---------- */
.svc-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:14px;margin-top:38px}
.svc{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:24px}
.svc h3{font-size:1.08rem;margin-bottom:10px}
.svc p{color:var(--muted);font-size:.93rem}
.svc .tag{display:inline-block;font-family:"JetBrains Mono",monospace;font-size:.7rem;color:var(--accent-text);border:1px solid rgba(var(--accent-hi-rgb),.35);background:rgba(var(--accent-hi-rgb),.07);border-radius:6px;padding:3px 8px;margin-bottom:12px}

/* ---------- how ---------- */
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;margin-top:38px;counter-reset:step}
.step{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:24px;position:relative}
.step::before{counter-increment:step;content:"0" counter(step);font-family:"JetBrains Mono",monospace;font-size:1.3rem;color:transparent;background:var(--grad);-webkit-background-clip:text;background-clip:text}
.step h3{font-size:1rem;margin:12px 0 8px}
.step p{color:var(--muted);font-size:.9rem}

/* ---------- pricing ---------- */
.pricing{background:var(--panel);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.price-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px;margin-top:38px;align-items:stretch}
.card{background:var(--panel2);border:1px solid var(--line);border-radius:14px;padding:28px;display:flex;flex-direction:column}
.card.hot{border-color:rgba(var(--accent-rgb),.5);box-shadow:0 0 40px rgba(var(--accent-rgb),.08)}
.card .name{font-family:"JetBrains Mono",monospace;font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.card .price{font-size:2.2rem;font-weight:800;margin:14px 0 2px;letter-spacing:-.03em}
.card .price small{font-size:.95rem;color:var(--muted);font-weight:500}
.card .per{color:var(--dim);font-size:.85rem;margin-bottom:18px}
.card ul{list-style:none;margin:0 0 24px}
.card li{padding:7px 0 7px 26px;position:relative;color:var(--muted);font-size:.92rem;border-bottom:1px dashed rgba(var(--line-rgb),.7)}
.card li:last-child{border-bottom:none}
.card li::before{content:"✓";position:absolute;left:2px;color:var(--green);font-weight:700}
.card .btn{margin-top:auto;text-align:center}
.note{color:var(--dim);font-size:.85rem;margin-top:18px}

/* ---------- trust ---------- */
.trust-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px;margin-top:38px}
.t{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:22px}
.t h3{font-size:.98rem;margin-bottom:8px}
.t p{color:var(--muted);font-size:.9rem}

/* ---------- faq ---------- */
details{background:var(--panel);border:1px solid var(--line);border-radius:10px;margin-top:10px;padding:0}
summary{cursor:pointer;padding:16px 20px;font-weight:600;font-size:.96rem;list-style:none;display:flex;justify-content:space-between;align-items:center}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";color:var(--accent-text);font-size:1.15rem}
details[open] summary::after{content:"–"}
details .a{padding:0 20px 16px;color:var(--muted);font-size:.92rem;max-width:78ch}

/* ---------- contact ---------- */
.contact{background:var(--panel);border-top:1px solid var(--line)}
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;margin-top:38px}
@media(max-width:820px){.contact-grid{grid-template-columns:1fr}}
form{display:flex;flex-direction:column;gap:14px}
label{font-size:.86rem;color:var(--muted)}
input,select,textarea{background:var(--panel2);border:1px solid var(--line);border-radius:9px;color:var(--text);padding:12px 14px;font:inherit;font-size:.95rem;width:100%}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--accent)}
textarea{min-height:120px;resize:vertical}
.contact-side p{color:var(--muted);margin-bottom:14px}
.contact-side .mono{display:block;margin-bottom:8px}
.contact-side .mono a{color:var(--text)}

/* ---------- footer ---------- */
footer{border-top:1px solid var(--line);padding:34px 0;color:var(--dim);font-size:.85rem}
.foot{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto}}

/* ================================================================
   Additions for the email-auth tool and the long-tail pages.
   Same tokens as above; no new colour values introduced.
   ================================================================ */

/* --- tool shell --- */
.tool-wrap{padding:56px 0 84px}
.tool-form{display:flex;gap:10px;flex-wrap:wrap;margin:26px 0 10px}
.tool-form input[type=text]{flex:1 1 320px;font-family:"JetBrains Mono",ui-monospace,monospace}
.tool-form .btn{flex:0 0 auto}
.tool-hint{color:var(--dim);font-size:.85rem;margin-top:8px}
.adv{margin-top:14px;border:1px solid var(--line);border-radius:10px;background:var(--panel)}
.adv summary{padding:12px 16px;font-size:.9rem;font-weight:600}
.adv .a{padding:0 16px 16px}
.adv label{display:block;margin-bottom:6px}

/* --- progress --- */
.prog{display:flex;flex-wrap:wrap;gap:8px;margin:20px 0}
.prog span{font-family:"JetBrains Mono",monospace;font-size:.75rem;color:var(--dim);border:1px solid var(--line);border-radius:6px;padding:4px 10px}
.prog span.run{color:var(--accent-text);border-color:rgba(var(--accent-rgb),.4)}
.prog span.done{color:var(--green);border-color:rgba(var(--green-rgb),.35)}

/* --- verdict header --- */
.verdict{display:flex;gap:22px;align-items:center;flex-wrap:wrap;background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:24px;margin:24px 0}
.grade{font-size:2.8rem;font-weight:800;line-height:1;width:76px;height:76px;display:flex;align-items:center;justify-content:center;border-radius:16px;border:2px solid var(--line);flex:0 0 auto}
.grade.g-A{color:var(--green);border-color:rgba(var(--green-rgb),.5)}
.grade.g-B{color:var(--green);border-color:rgba(var(--green-rgb),.35)}
.grade.g-C{color:var(--amber);border-color:rgba(var(--amber-rgb),.45)}
.grade.g-D{color:var(--red-text);border-color:rgba(var(--red-rgb),.4)}
.grade.g-F{color:var(--red-text);border-color:rgba(var(--red-rgb),.6)}
.verdict-main{flex:1 1 300px}
.verdict-main h2{margin-bottom:6px;font-size:1.35rem}
.verdict-main p{color:var(--muted);font-size:.93rem}
.verdict-meta{font-family:"JetBrains Mono",monospace;font-size:.75rem;color:var(--dim);margin-top:10px}

/* --- per-record cards --- */
.rec-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:14px;margin-top:20px}
.rec{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:20px 22px}
.rec.is-error{border-color:rgba(var(--red-rgb),.45)}
.rec.is-warn{border-color:rgba(var(--amber-rgb),.4)}
.rec.is-ok{border-color:rgba(var(--green-rgb),.3)}
.rec-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:12px}
.rec-head h3{font-size:1.02rem;font-family:"JetBrains Mono",monospace;letter-spacing:.02em}
.pill{font-family:"JetBrains Mono",monospace;font-size:.68rem;text-transform:uppercase;letter-spacing:.1em;border-radius:999px;padding:3px 10px;border:1px solid var(--line);color:var(--dim);white-space:nowrap}
.pill.ok{color:var(--green);border-color:rgba(var(--green-rgb),.4)}
.pill.warn{color:var(--amber);border-color:rgba(var(--amber-rgb),.4)}
.pill.error{color:var(--red-text);border-color:rgba(var(--red-rgb),.45)}
.pill.info{color:var(--accent-text);border-color:rgba(var(--accent-rgb),.35)}

/* --- monospace record blocks --- */
.code{font-family:"JetBrains Mono",ui-monospace,monospace;font-size:.8rem;background:#050f19;border:1px solid var(--line);border-radius:8px;padding:12px 14px;color:var(--text);overflow-x:auto;white-space:pre-wrap;word-break:break-all;line-height:1.55}
.code.small{font-size:.74rem}
.copy-row{display:flex;gap:8px;align-items:center;margin-top:8px;flex-wrap:wrap}
.btn-copy{background:transparent;border:1px solid var(--line);color:var(--muted);border-radius:7px;padding:5px 11px;font-size:.78rem;cursor:pointer;font-family:"JetBrains Mono",monospace}
.btn-copy:hover{border-color:var(--accent);color:var(--text)}
.btn-copy.copied{color:var(--green);border-color:rgba(var(--green-rgb),.45)}

/* --- lookup budget meter --- */
.meter{height:9px;border-radius:99px;background:var(--panel2);border:1px solid var(--line);overflow:hidden;margin:12px 0 6px}
.meter i{display:block;height:100%;background:var(--green)}
.meter.over i{background:var(--red)}
.meter.edge i{background:var(--amber)}
.meter-label{display:flex;justify-content:space-between;font-family:"JetBrains Mono",monospace;font-size:.75rem;color:var(--muted)}

/* --- lookup table --- */
table.lk{width:100%;border-collapse:collapse;margin-top:12px;font-size:.82rem}
table.lk th,table.lk td{text-align:left;padding:7px 10px;border-bottom:1px solid var(--line)}
table.lk th{color:var(--dim);font-family:"JetBrains Mono",monospace;font-size:.72rem;text-transform:uppercase;letter-spacing:.08em;font-weight:600}
table.lk td.n{font-family:"JetBrains Mono",monospace;color:var(--dim);width:2.5em}
table.lk td.tk{font-family:"JetBrains Mono",monospace;color:var(--text);word-break:break-all}
table.lk td.at{font-family:"JetBrains Mono",monospace;color:var(--muted);word-break:break-all}
table.lk tr.over td{color:var(--red-text)}
table.lk tr.over td.n::after{content:" ⚠"}

/* --- findings list --- */
.findings{margin-top:20px;display:flex;flex-direction:column;gap:10px}
.finding{border:1px solid var(--line);border-left-width:3px;border-radius:10px;background:var(--panel);padding:15px 18px}
.finding.error{border-left-color:var(--red)}
.finding.warn{border-left-color:var(--amber)}
.finding.info{border-left-color:var(--accent)}
.finding .sec{font-family:"JetBrains Mono",monospace;font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;color:var(--dim);margin-bottom:5px}
.finding p{font-size:.91rem;color:var(--muted)}
.finding p strong{color:var(--text);font-weight:650}

/* --- fix blocks --- */
.fix{background:var(--panel2);border:1px solid rgba(var(--accent-rgb),.28);border-radius:12px;padding:22px;margin-top:14px}
.fix h3{font-size:1.05rem;margin-bottom:8px}
.fix .why{color:var(--muted);font-size:.91rem;margin-bottom:14px}
.fix ol{margin:0 0 4px 20px;color:var(--muted);font-size:.9rem}
.fix ol li{margin-bottom:10px}
.fix ol li b{color:var(--text)}
.fix ul.sub{margin:6px 0 0 18px;font-size:.86rem;color:var(--dim)}
.dnsrow{display:grid;grid-template-columns:auto 1fr;gap:6px 14px;font-family:"JetBrains Mono",monospace;font-size:.78rem;margin:10px 0}
.dnsrow dt{color:var(--dim)}
.dnsrow dd{color:var(--text);word-break:break-all}

/* --- tree --- */
.tree{font-family:"JetBrains Mono",monospace;font-size:.76rem;line-height:1.7}
.tree .node{padding-left:0}
.tree .kids{margin-left:16px;padding-left:12px;border-left:1px dashed var(--line)}
.tree .dom{color:var(--accent-text)}
.tree .cost{color:var(--dim)}

/* --- CTA strip --- */
.cta-strip{background:var(--panel2);border:1px solid rgba(var(--accent-rgb),.3);border-radius:14px;padding:26px;margin-top:34px}
.cta-strip h3{font-size:1.15rem;margin-bottom:8px}
.cta-strip p{color:var(--muted);font-size:.94rem;margin-bottom:16px;max-width:66ch}

/* --- article / long-tail pages --- */
.article{max-width:76ch}
.article h2{margin-top:38px}
.article h3{margin-top:26px;font-size:1.08rem}
.article p{color:var(--muted);margin-top:12px}
.article ul,.article ol{color:var(--muted);margin:12px 0 0 22px}
.article li{margin-bottom:8px}
.article .code{margin-top:12px}
.crumbs{font-family:"JetBrains Mono",monospace;font-size:.76rem;color:var(--dim);margin-bottom:18px}
.crumbs a{color:var(--muted)}
.tocbox{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:16px 20px;margin-top:22px}
.tocbox b{font-size:.86rem}
.tocbox ol{margin:8px 0 0 20px;font-size:.9rem}
.callout{border:1px solid var(--line);border-left:3px solid var(--accent);border-radius:10px;background:var(--panel);padding:16px 18px;margin-top:20px}
.callout b{display:block;margin-bottom:6px}
.callout p{margin-top:6px;font-size:.9rem}
.related{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:12px;margin-top:20px}
.related a{display:block;border:1px solid var(--line);border-radius:10px;padding:14px 16px;background:var(--panel);color:var(--text);font-size:.92rem}
.related a:hover{border-color:var(--accent);text-decoration:none}
.related a span{display:block;color:var(--dim);font-size:.82rem;margin-top:4px}

/* --- index listing --- */
.idx{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:12px;margin-top:26px}
.idx a{display:block;border:1px solid var(--line);border-radius:10px;padding:16px 18px;background:var(--panel);color:var(--text)}
.idx a:hover{border-color:var(--accent);text-decoration:none}
.idx a b{display:block;font-size:.96rem;margin-bottom:5px}
.idx a span{color:var(--muted);font-size:.85rem}

/* --- 404 --- */
.err-wrap{padding:110px 0;text-align:center}
.err-wrap h1{font-size:clamp(2.4rem,7vw,4rem)}
.err-wrap p{color:var(--muted);margin:16px auto 28px;max-width:52ch}

.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}