:root{
  --ink:#FFFFFF; --ink2:#FFFFFF; --panel:#F7F8FA; --panel2:#F1F3F5;
  --line:#E6E8EC; --line2:#D4D8DE;
  --tx:#15181E; --mut:#667085; --dim:#98A2B3;
  --signal:#0E9F6E; --signal-dim:#0B8A5E; --signal-soft:#E6F7F0;
  --ai:#7C5CFC; --ai-dim:#6A45F0; --ai-soft:#F0ECFE;
  --bad:#E5484D; --warn:#E8920C; --good:#0E9F6E;
  --track:rgba(16,24,40,.09); --hover:rgba(16,24,40,.025);
  --shadow:0 1px 2px rgba(16,24,40,.04), 0 8px 24px -12px rgba(16,24,40,.12);
}
*{box-sizing:border-box}
body{
  font-family:'Inter',system-ui,sans-serif;color:var(--tx);background:var(--ink);
  background-image:radial-gradient(900px 460px at 80% -8%, rgba(14,159,110,.05), transparent 60%),
                   radial-gradient(700px 420px at 0% 100%, rgba(124,92,252,.045), transparent 55%);
  background-attachment:fixed;
}
.mono{font-family:'JetBrains Mono',monospace}
::selection{background:rgba(14,159,110,.16)}
a{color:var(--signal-dim)}

/* nav */
.rk-nav{background:rgba(255,255,255,.85);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.rk-logo{width:26px;height:26px;border:1px solid var(--signal);border-radius:7px;display:inline-grid;place-items:center;background:var(--signal-soft);position:relative}
.rk-logo::after{content:"";width:8px;height:8px;border-radius:2px;background:var(--signal);box-shadow:0 0 8px rgba(14,159,110,.5)}
.rk-brand{font-family:'Space Grotesk';font-weight:700;letter-spacing:.16em;font-size:15px;color:var(--tx)}
.rk-brand b{color:var(--signal)}
.rk-nav .nav-link{color:var(--mut);font-size:14px;letter-spacing:.01em}
.rk-nav .nav-link:hover{color:var(--tx)}
.rk-nav .rk-admin{border:1px solid var(--signal);border-radius:8px;padding:6px 14px;color:#fff;background:var(--signal)}
.rk-nav .rk-admin:hover{background:var(--signal-dim);color:#fff}

/* hero */
.rk-hero{position:relative;padding:78px 0 44px;overflow:hidden}
.rk-grid{position:absolute;inset:0;opacity:1;pointer-events:none;
  background-image:linear-gradient(rgba(16,24,40,.028) 1px,transparent 1px),linear-gradient(90deg,rgba(16,24,40,.028) 1px,transparent 1px);
  background-size:46px 46px;mask-image:radial-gradient(circle at 50% 0%,black,transparent 72%)}
.rk-eyebrow{display:inline-flex;align-items:center;gap:8px;font-family:'JetBrains Mono';font-size:11px;letter-spacing:.16em;color:var(--signal-dim);text-transform:uppercase;margin-bottom:20px;background:var(--signal-soft);border:1px solid #CDEEE0;padding:7px 14px;border-radius:20px}
.rk-pulse{width:6px;height:6px;border-radius:50%;background:var(--signal);box-shadow:0 0 0 0 rgba(14,159,110,.4);animation:pulse 2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(14,159,110,.4)}70%{box-shadow:0 0 0 9px rgba(14,159,110,0)}100%{box-shadow:0 0 0 0 rgba(14,159,110,0)}}
.rk-headline{font-family:'Space Grotesk';font-weight:700;font-size:clamp(34px,6vw,60px);line-height:1.03;letter-spacing:-.02em;margin:0 0 16px;color:var(--tx)}
.rk-acc{color:var(--signal)}
.rk-sub{max-width:640px;color:var(--mut);font-size:16px;line-height:1.6}

/* console / cards */
.rk-console{margin-top:34px;max-width:720px;background:var(--ink2);border:1px solid var(--line);border-radius:16px;padding:22px;box-shadow:var(--shadow)}
.rk-console-head{display:flex;align-items:center;gap:8px;margin-bottom:18px}
.rk-dot{width:9px;height:9px;border-radius:50%}.rk-dot.r{background:#ff5f57}.rk-dot.y{background:#febc2e}.rk-dot.g{background:#28c840}
.rk-console-title{margin-left:8px;font-family:'JetBrains Mono';font-size:11px;letter-spacing:.14em;color:var(--dim)}
.rk-label{display:block;font-family:'JetBrains Mono';font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--mut);margin-bottom:7px}
.rk-opt{color:var(--dim);text-transform:none;letter-spacing:0}
.rk-inp{display:flex;align-items:center;gap:10px;background:var(--ink);border:1px solid var(--line2);border-radius:10px;padding:0 13px;transition:border-color .15s,box-shadow .15s}
.rk-inp:focus-within{border-color:var(--signal);box-shadow:0 0 0 3px rgba(14,159,110,.12)}
.rk-pre{font-family:'JetBrains Mono';font-size:13px;color:var(--dim)}
.rk-inp input{flex:1;background:transparent;border:0;outline:0;color:var(--tx);font-family:'JetBrains Mono';font-size:15px;padding:13px 0}
.rk-inp input::placeholder{color:var(--dim)}
.rk-check .form-check-input{background-color:#fff;border-color:var(--line2)}
.rk-check .form-check-input:checked{background-color:var(--ai);border-color:var(--ai)}
.rk-check .form-check-label{color:var(--mut);font-size:13.5px}
.rk-chips{display:flex;flex-wrap:wrap;gap:7px;margin:6px 0 18px}
.rk-chip{font-family:'JetBrains Mono';font-size:11px;color:var(--mut);background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:5px 11px}
.rk-chip i{color:var(--signal);font-style:normal}
.rk-run{width:100%;border:0;border-radius:11px;padding:15px;font-family:'Space Grotesk';font-weight:700;font-size:15px;cursor:pointer;color:#fff;background:var(--signal);box-shadow:0 8px 20px -10px rgba(14,159,110,.6);transition:transform .1s,background .15s}
.rk-run:hover{background:var(--signal-dim)}
.rk-run:active{transform:translateY(1px)}
.rk-run:disabled{opacity:.55;cursor:not-allowed}
.rk-run-sm{width:auto;padding:12px 22px;font-size:14px}

/* scan */
.rk-scan{margin-top:22px;max-width:720px;background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:18px 20px;font-family:'JetBrains Mono';font-size:13px;position:relative;overflow:hidden}
.rk-sweep{position:absolute;top:0;left:-40%;width:40%;height:100%;background:linear-gradient(90deg,transparent,rgba(14,159,110,.08),transparent);animation:sweep 1.6s linear infinite}
@keyframes sweep{to{left:120%}}
.rk-logline{display:flex;align-items:center;gap:11px;padding:5px 0;color:var(--dim);transition:color .3s}
.rk-logline.active{color:var(--tx)}.rk-logline.done{color:var(--mut)}
.rk-logline .m{width:14px;color:var(--signal)}
.rk-spin{display:inline-block;width:12px;height:12px;border:2px solid #BFE9D8;border-top-color:var(--signal);border-radius:50%;animation:spin .7s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

.rk-err{margin-top:18px;max-width:720px;background:#FEF2F2;border:1px solid #FBD5D5;border-radius:12px;padding:16px 18px;color:#B42318;font-size:13.5px}

/* results */
.rk-results{padding:46px 0 0;animation:rise .5s ease both}
@keyframes rise{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.rk-rhead{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;margin-bottom:22px}
.rk-rurl{font-family:'JetBrains Mono';font-size:13px;color:var(--mut);word-break:break-all}
.rk-rurl b{color:var(--signal)}
.rk-ghost{background:#fff;border:1px solid var(--line2);color:var(--tx);font-family:'JetBrains Mono';font-size:12.5px;padding:9px 14px;border-radius:9px;cursor:pointer}
.rk-ghost:hover{border-color:var(--signal);color:var(--signal-dim)}

.rk-overall{display:grid;grid-template-columns:230px 1fr;gap:24px;background:var(--ink2);border:1px solid var(--line);border-radius:18px;padding:26px;margin-bottom:22px;box-shadow:var(--shadow)}
.rk-ringbig{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center}
.rk-grade{font-family:'Space Grotesk';font-size:13px;letter-spacing:.16em;margin-top:10px;text-transform:uppercase}
.rk-gauges{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
@media(max-width:780px){.rk-overall{grid-template-columns:1fr}.rk-gauges{grid-template-columns:repeat(3,1fr)}}
@media(max-width:520px){.rk-gauges{grid-template-columns:repeat(2,1fr)}}
.rk-gauge{display:flex;flex-direction:column;align-items:center;gap:9px;padding:14px 6px;border:1px solid var(--line);border-radius:13px;background:#fff;cursor:pointer;transition:.15s}
.rk-gauge:hover{border-color:var(--line2);background:var(--panel)}
.rk-gauge.sel{border-color:var(--signal);background:var(--signal-soft)}
.rk-glabel{font-family:'JetBrains Mono';font-size:10.5px;letter-spacing:.04em;color:var(--mut);text-align:center;text-transform:uppercase}

.rk-detail{background:var(--ink2);border:1px solid var(--line);border-radius:16px;margin-bottom:22px;overflow:hidden;box-shadow:var(--shadow)}
.rk-dtitle{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;padding:16px 18px;border-bottom:1px solid var(--line)}
.rk-dtitle h3{margin:0;font-family:'Space Grotesk';font-size:16px;display:flex;align-items:center;gap:10px}
.rk-dtitle h3 i{color:var(--signal);font-style:normal}
.rk-dtitle p{margin:3px 0 0;font-size:12.5px;color:var(--mut)}
.rk-dtitle .sc{font-family:'JetBrains Mono';font-weight:700;font-size:15px;white-space:nowrap}
.rk-checks{padding:8px 6px}
.rk-c{display:flex;align-items:flex-start;gap:12px;padding:11px 13px;border-radius:9px}
.rk-c:hover{background:var(--hover)}
.rk-cm{flex-shrink:0;width:18px;height:18px;border-radius:5px;display:grid;place-items:center;font-size:11px;font-weight:700;margin-top:1px}
.rk-cm.pass{background:var(--signal-soft);color:var(--good)}
.rk-cm.warn{background:#FDF1DD;color:var(--warn)}
.rk-cm.fail{background:#FDE7E7;color:var(--bad)}
.rk-ct{flex:1}.rk-cname{font-size:13.5px}.rk-cdesc{font-size:12px;color:var(--mut);margin-top:2px}
.rk-cval{font-family:'JetBrains Mono';font-size:12px;color:var(--dim);text-align:right;max-width:190px;word-break:break-word}

.rk-ai{background:linear-gradient(180deg,var(--ai-soft),#fff);border:1px solid #E2D8FD;border-radius:16px;margin-bottom:22px;overflow:hidden;box-shadow:var(--shadow)}
.rk-ai-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:18px 20px;border-bottom:1px solid #ECE4FE}
.rk-ai-badge{width:30px;height:30px;border-radius:8px;display:grid;place-items:center;background:var(--ai-soft);border:1px solid #D9CCFD;color:var(--ai)}
.rk-ai-head h3{margin:0;font-family:'Space Grotesk';font-size:16px}
.rk-ai-head p{margin:2px 0 0;font-size:12px;color:var(--mut)}
.rk-ai-body{padding:18px 20px;font-size:14px;color:var(--tx)}
.rk-rec{padding:13px 0;border-bottom:1px solid #EFEAFC}.rk-rec:last-child{border-bottom:0}
.rk-rec h4{margin:0 0 5px;font-family:'Space Grotesk';font-size:14.5px;color:var(--tx);display:flex;align-items:center;gap:9px;flex-wrap:wrap}
.rk-rec p{margin:0;font-size:13px;color:var(--mut);line-height:1.55}
.rk-prio{font-family:'JetBrains Mono';font-size:10px;letter-spacing:.04em;padding:2px 7px;border-radius:5px;text-transform:uppercase;font-weight:700}
.rk-prio.high{background:#FDE7E7;color:#C4302B}
.rk-prio.medium{background:#FDF1DD;color:#B26B00}
.rk-prio.low{background:var(--signal-soft);color:var(--signal-dim)}

.rk-kwgrid{display:flex;flex-wrap:wrap;gap:8px;padding:6px 8px 12px}
.rk-kw{font-family:'JetBrains Mono';font-size:12px;padding:6px 11px;border-radius:8px;background:var(--signal-soft);border:1px solid #CDEEE0;color:var(--signal-dim)}
.rk-kw b{color:var(--signal)}

.rk-vs{display:grid;grid-template-columns:1fr 70px 1fr;align-items:center;gap:8px;padding:12px 8px}
.rk-vslabel{font-size:12.5px;margin-bottom:4px}
.rk-vsbar{height:7px;border-radius:4px;background:var(--panel2);overflow:hidden}
.rk-vsbar i{display:block;height:100%;border-radius:4px}
.rk-vsmid{text-align:center;font-family:'JetBrains Mono';font-weight:700;font-size:12px;color:var(--mut)}

/* faq + contact */
.rk-faq{padding:56px 0;border-top:1px solid var(--line);margin-top:46px}
.rk-h2{font-family:'Space Grotesk';font-size:26px;margin:0 0 6px;color:var(--tx)}
.rk-fsub{color:var(--mut);font-size:13.5px;margin-bottom:26px}
.rk-acc{max-width:760px}
.rk-acc .accordion-item{background:#fff;border:1px solid var(--line);border-radius:12px!important;margin-bottom:10px;overflow:hidden}
.rk-acc .accordion-button{background:#fff;color:var(--tx);font-family:'Space Grotesk';font-size:14.5px;box-shadow:none}
.rk-acc .accordion-button:not(.collapsed){color:var(--signal-dim);background:#fff}
.rk-acc .accordion-button::after{filter:none}
.rk-acc .accordion-body{color:var(--mut);font-size:13.5px;line-height:1.6}
.rk-contact{padding:10px 0 60px}
.rk-formcard{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;margin-top:8px;box-shadow:var(--shadow)}
.rk-field{width:100%;background:#fff;border:1px solid var(--line2);border-radius:10px;color:var(--tx);padding:12px 14px;font-size:14px;outline:none;font-family:'Inter'}
.rk-field:focus{border-color:var(--signal);box-shadow:0 0 0 3px rgba(14,159,110,.12)}
.rk-field::placeholder{color:var(--dim)}
.rk-cmsg{font-size:13px}.rk-cmsg.ok{color:var(--good)}.rk-cmsg.err{color:var(--bad)}

.rk-foot{padding:26px 0;border-top:1px solid var(--line);text-align:center;color:var(--dim);font-family:'JetBrains Mono';font-size:12px;background:var(--panel)}
.rk-foot b{color:var(--signal)}
.rk-mini{color:var(--mut)}