:root{
  --bg:#09090b; --bg2:#0f0f12; --card:#131317; --line:#26262c; --line2:#1c1c21;
  --fg:#ededf0; --muted:#9a9aa6; --muted2:#6b6b76;
  --accent:#34d399; --accent-d:#059669;
  --pass:#34d399; --partial:#fbbf24; --fail:#f87171; --na:#6b6b76;
  --maxw:880px; --radius:14px;
  --font:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,monospace;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--fg);font-family:var(--font);
  line-height:1.6;font-size:16px;-webkit-font-smoothing:antialiased}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3{line-height:1.25;font-weight:700;margin:0 0 .5em}
h1{font-size:1.9rem;letter-spacing:-.02em}
h2{font-size:1.35rem;margin-top:1.6em}
h3{font-size:1.05rem;margin-top:1.4em}
p{margin:0 0 1em}
code,.mono{font-family:var(--mono);font-size:.92em}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}
.muted{color:var(--muted)}.small{font-size:.85rem}.center{text-align:center}

/* header / nav */
.site-header{border-bottom:1px solid var(--line);background:rgba(9,9,11,.85);
  backdrop-filter:blur(8px);position:sticky;top:0;z-index:20}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;
  gap:16px;height:60px}
.brand{font-weight:800;font-size:1.15rem;color:var(--fg)}
.brand b{color:var(--accent)}
.nav{display:flex;gap:18px;flex-wrap:wrap}
.nav a{color:var(--muted);font-size:.9rem;font-weight:500}
.nav a:hover{color:var(--fg);text-decoration:none}
main{padding:40px 0 24px}

/* footer */
.site-footer{border-top:1px solid var(--line2);margin-top:56px;padding:32px 0;color:var(--muted2);font-size:.85rem}
.foot-cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:24px;margin-bottom:24px}
.foot-cols h4{color:var(--muted);font-size:.72rem;text-transform:uppercase;letter-spacing:.08em;margin:0 0 10px}
.foot-cols a{display:block;color:var(--muted2);padding:3px 0;font-size:.85rem}
.foot-cols a:hover{color:var(--fg);text-decoration:none}

/* cards */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.card+.card{margin-top:16px}
.hero{margin-bottom:28px}
.lead{font-size:1.08rem;color:var(--muted)}

/* buttons / forms */
.btn{display:inline-block;background:var(--accent);color:#04110b;font-weight:600;
  border:none;border-radius:10px;padding:10px 18px;font-size:.95rem;cursor:pointer}
.btn:hover{background:#2bbe89;text-decoration:none}
.btn-ghost{background:#1d1d22;color:var(--fg)}
.btn-ghost:hover{background:#26262c}
.field{display:flex;gap:8px;flex-wrap:wrap}
.field input[type=text]{flex:1;min-width:200px;background:#0b0b0e;border:1px solid var(--line);
  color:var(--fg);border-radius:10px;padding:10px 12px;font-size:.95rem;font-family:var(--mono)}
.field input:focus{outline:none;border-color:var(--accent-d)}
label{display:block;font-size:.8rem;color:var(--muted);margin:0 0 6px}
.addr{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.addr code{color:var(--accent);font-size:1.05rem;word-break:break-all}
.copy{background:#1d1d22;color:var(--fg);border:1px solid var(--line);border-radius:8px;
  padding:5px 10px;font-size:.78rem;cursor:pointer}

/* score */
.score-card{text-align:center}
.score-label{font-size:.72rem;text-transform:uppercase;letter-spacing:.1em;color:var(--muted2)}
.score{font-size:4rem;font-weight:800;line-height:1;margin:6px 0}
.score small{font-size:1.4rem;color:var(--muted2);font-weight:600}
.score.s-good{color:var(--pass)}.score.s-mid{color:var(--partial)}.score.s-bad{color:var(--fail)}
.gate-banner{background:#2a1115;border:1px solid #5b1f25;color:#fec2c7;border-radius:10px;
  padding:14px 16px;font-size:.9rem;margin:16px 0}

/* tested-email preview (accordion) */
.email-preview{padding:0}
.email-preview>summary{cursor:pointer;list-style:none;display:flex;align-items:center;gap:12px;
  flex-wrap:wrap;padding:16px 18px;font-weight:600}
.email-preview>summary::-webkit-details-marker{display:none}
.email-preview>summary::after{content:"+";margin-left:auto;color:var(--muted);font-weight:400}
.email-preview[open]>summary::after{content:"\2212"}
.email-preview .ep-subj{font-weight:400;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.email-preview .ep-body{padding:0 18px 18px}
.ep-tabs{display:flex;gap:6px;flex-wrap:wrap}
.ep-tab{font-size:.78rem;background:#1d1d22;border:1px solid var(--line);border-radius:8px;
  padding:4px 10px;color:var(--muted)}
.ep-tab:hover{color:var(--fg);text-decoration:none;border-color:var(--accent-d)}
.email-frame{width:100%;height:460px;margin-top:12px;border:1px solid var(--line);
  border-radius:10px;background:#fff;display:block}

/* category grid */
.cat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px;margin:18px 0}
.cat{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:12px}
.cat .n{font-size:.72rem;color:var(--muted)}
.cat .v{font-size:1.25rem;font-weight:700;margin-top:2px}
.cat .b{font-size:.72rem;color:var(--muted2)}

/* checks */
.checkgroup{margin-top:22px}
.check{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:12px 14px;margin-top:8px}
.check .top{display:flex;align-items:center;justify-content:space-between;gap:10px}
.check .ttl{display:flex;align-items:center;gap:10px;min-width:0}
.status{font-family:var(--mono);font-size:.7rem;text-transform:uppercase;
  padding:2px 7px;border-radius:6px;font-weight:600;flex:0 0 auto}
.status.pass{background:#0c2c20;color:var(--pass)}
.status.partial{background:#2c2410;color:var(--partial)}
.status.fail{background:#2c1213;color:var(--fail)}
.status.na,.status.unknown{background:#1c1c21;color:var(--na)}
.gate-tag{background:#5b1f25;color:#fec2c7;font-size:.62rem;padding:1px 5px;border-radius:4px}
.pts{color:var(--muted2);font-size:.8rem;flex:0 0 auto}
.evi{color:var(--muted);font-size:.85rem;margin-top:6px}
.fix{color:#7dd3fc;font-size:.85rem;margin-top:4px}

/* spinner */
.spinner{display:inline-block;width:22px;height:22px;border:2px solid #3a3a42;
  border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* live result: animated stages */
.rstage{min-height:300px}
.rstep[hidden]{display:none}
.rstep{animation:rfade .45s ease both}
@keyframes rfade{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.rwrap{max-width:520px;margin:8px auto 0;text-align:center}
.rwrap h2{margin-top:18px}
.rwrap .addr{margin-top:18px}

/* waiting: pulsing radar around an @ core */
.radar{position:relative;width:128px;height:128px;margin:6px auto 4px}
.radar .core{position:absolute;inset:44px;border-radius:50%;background:#10231c;
  border:1px solid var(--accent-d);color:var(--accent);font-size:1.5rem;font-weight:700;
  display:flex;align-items:center;justify-content:center}
.radar .ring{position:absolute;inset:0;border-radius:50%;border:2px solid var(--accent);
  opacity:0;animation:radar 2.4s ease-out infinite}
.radar .ring:nth-child(2){animation-delay:.8s}
.radar .ring:nth-child(3){animation-delay:1.6s}
@keyframes radar{0%{transform:scale(.34);opacity:.7}80%{opacity:0}100%{transform:scale(1);opacity:0}}

/* analyzing: sweeping bar + checks lighting up in sequence */
.scanbar{height:3px;max-width:340px;margin:18px auto 6px;border-radius:3px;
  background:linear-gradient(90deg,transparent,var(--accent),transparent);
  animation:sweep 1.25s linear infinite}
@keyframes sweep{0%{transform:translateX(-55%);opacity:.25}50%{opacity:1}100%{transform:translateX(55%);opacity:.25}}
.scanlist{list-style:none;padding:0;margin:14px auto 0;max-width:360px;text-align:left}
.scanline{display:flex;align-items:center;gap:12px;padding:10px 14px;margin:8px 0;
  background:var(--card);border:1px solid var(--line);border-radius:10px;
  color:var(--muted);opacity:.45;animation:litup .5s ease forwards}
.scanline .dot{width:9px;height:9px;border-radius:50%;background:var(--muted2);flex:0 0 auto;
  animation:dotlit .5s ease forwards}
@keyframes litup{to{opacity:1;color:var(--fg);border-color:#1c4636}}
@keyframes dotlit{to{background:var(--accent);box-shadow:0 0 9px var(--accent)}}

/* done: gentle pop on the revealed score */
.rstep-done .score{animation:pop .5s ease both}
@keyframes pop{from{transform:scale(.9);opacity:0}to{transform:scale(1);opacity:1}}

@media(prefers-reduced-motion:reduce){
  .rstep,.radar .ring,.scanbar,.scanline,.scanline .dot,.rstep-done .score{animation:none!important;opacity:1!important}
}

/* prose (content pages) */
.prose{max-width:720px}
.prose ul,.prose ol{padding-left:1.3em;margin:0 0 1em}
.prose li{margin:.3em 0}
.prose .card{margin:18px 0}
.steps{counter-reset:s;list-style:none;padding:0}
.steps li{counter-increment:s;position:relative;padding-left:38px;margin:14px 0}
.steps li::before{content:counter(s);position:absolute;left:0;top:0;width:26px;height:26px;
  background:#1d1d22;border:1px solid var(--line);border-radius:50%;color:var(--accent);
  font-weight:700;font-size:.8rem;display:flex;align-items:center;justify-content:center}

/* faq */
.faq details{border:1px solid var(--line);border-radius:10px;padding:0;margin:8px 0;background:var(--card)}
.faq summary{cursor:pointer;padding:14px 16px;font-weight:600;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";float:right;color:var(--muted)}
.faq details[open] summary::after{content:"\2212"}
.faq .a{padding:0 16px 14px;color:var(--muted);font-size:.92rem}

/* tool result */
.result-line{display:flex;gap:10px;align-items:baseline;padding:8px 0;border-bottom:1px solid var(--line2)}
.result-line:last-child{border:0}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0}
.tag{background:#1d1d22;border:1px solid var(--line);border-radius:999px;padding:5px 12px;font-size:.82rem;color:var(--muted)}
.tag:hover{color:var(--fg);border-color:var(--accent-d);text-decoration:none}
.notice{background:#10231c;border:1px solid #1c4636;color:#a7e3cd;border-radius:10px;padding:12px 14px;font-size:.85rem;margin:12px 0}

@media(max-width:560px){
  h1{font-size:1.55rem}.score{font-size:3.2rem}main{padding:28px 0}
  .nav{gap:12px}.nav a{font-size:.82rem}
}