/* ===========================================================================
   Domain Age Tool — Registry Console
   Design tokens
   =========================================================================== */
:root{
  --ink:#0B1220;          /* deep base */
  --ink-2:#0F1A2E;        /* raised surface */
  --ink-3:#16223B;        /* card */
  --line:#22324E;         /* hairline */
  --line-soft:#1A283F;
  --text:#E8EEF6;         /* primary text on dark */
  --text-2:#A7B6CC;       /* secondary */
  --text-3:#6F809B;       /* muted / labels */
  --teal:#3DD4C8;         /* primary accent */
  --teal-dim:#2BA89E;
  --amber:#FFB454;        /* the "age stamp" signature accent */
  --amber-dim:#C98A36;
  --red:#FF6B6B;
  --green:#5BD98A;
  --radius:14px;
  --radius-sm:9px;
  --maxw:1080px;
  --mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --sans:"Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
  --display:"Space Grotesk","Inter",system-ui,sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--sans);
  background:
    radial-gradient(1200px 600px at 78% -8%, rgba(61,212,200,.10), transparent 60%),
    radial-gradient(900px 500px at 0% 0%, rgba(255,180,84,.06), transparent 55%),
    var(--ink);
  color:var(--text);
  line-height:1.6;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  min-height:100vh;
}
a{color:inherit;text-decoration:none}
img,svg{display:block}
::selection{background:rgba(61,212,200,.28)}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* ---------- Header ---------- */
.site-head{
  position:sticky;top:0;z-index:50;
  background:rgba(11,18,32,.72);
  backdrop-filter:saturate(140%) blur(12px);
  border-bottom:1px solid var(--line-soft);
}
.site-head .bar{display:flex;align-items:center;justify-content:space-between;height:66px}
.brand{display:flex;align-items:center;gap:11px;font-family:var(--display);font-weight:600;letter-spacing:-.01em;font-size:1.06rem}
.brand .logo{width:30px;height:30px}
.brand b{color:var(--teal)}
.nav{display:flex;align-items:center;gap:28px}
.nav a{color:var(--text-2);font-size:.93rem;transition:color .15s}
.nav a:hover{color:var(--text)}
.nav .btn{color:var(--ink);}
.menu-btn{display:none;background:none;border:1px solid var(--line);color:var(--text);width:42px;height:38px;border-radius:9px;cursor:pointer}

.btn{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--teal);color:#04201E;
  font-weight:600;font-size:.92rem;
  padding:10px 18px;border-radius:10px;border:0;cursor:pointer;
  transition:transform .12s ease, box-shadow .2s, background .2s;
}
.btn:hover{background:#54e0d5;transform:translateY(-1px);box-shadow:0 8px 24px -10px rgba(61,212,200,.6)}
.btn.ghost{background:transparent;color:var(--text);border:1px solid var(--line)}
.btn.ghost:hover{background:var(--ink-3);box-shadow:none}

/* ---------- Hero / tool ---------- */
.hero{padding:64px 0 30px;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--mono);font-size:.74rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--teal);border:1px solid var(--line);background:var(--ink-2);
  padding:6px 13px;border-radius:100px;margin-bottom:22px;
}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--teal);box-shadow:0 0 0 3px rgba(61,212,200,.18)}
h1.title{
  font-family:var(--display);font-weight:600;letter-spacing:-.025em;
  font-size:clamp(2.1rem,5.4vw,3.5rem);line-height:1.05;
}
h1.title .accent{color:var(--teal)}
.lede{max-width:620px;margin:18px auto 0;color:var(--text-2);font-size:1.07rem}

/* ---------- Search ---------- */
.searchbox{
  max-width:660px;margin:34px auto 0;
  background:var(--ink-2);border:1px solid var(--line);
  border-radius:var(--radius);padding:10px;
  display:flex;gap:10px;align-items:center;
  box-shadow:0 30px 70px -40px rgba(0,0,0,.8);
  transition:border-color .2s, box-shadow .2s;
}
.searchbox:focus-within{border-color:var(--teal-dim);box-shadow:0 0 0 4px rgba(61,212,200,.12),0 30px 70px -40px rgba(0,0,0,.8)}
.searchbox .at{padding-left:12px;color:var(--text-3);font-family:var(--mono)}
.searchbox input{
  flex:1;background:transparent;border:0;outline:0;color:var(--text);
  font-family:var(--mono);font-size:1.02rem;padding:12px 4px;letter-spacing:.01em;
}
.searchbox input::placeholder{color:var(--text-3)}
.searchbox .btn{padding:13px 22px;white-space:nowrap}
.examples{margin:14px auto 0;display:flex;gap:8px;justify-content:center;flex-wrap:wrap;font-size:.84rem;color:var(--text-3)}
.examples button{
  background:var(--ink-3);border:1px solid var(--line);color:var(--text-2);
  font-family:var(--mono);font-size:.8rem;padding:5px 11px;border-radius:7px;cursor:pointer;transition:.15s;
}
.examples button:hover{border-color:var(--teal-dim);color:var(--text)}

/* ---------- Result record ---------- */
#result{max-width:760px;margin:38px auto 0;display:none}
#result.show{display:block;animation:rise .45s cubic-bezier(.2,.7,.2,1)}
@keyframes rise{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}

.record{
  background:linear-gradient(180deg,var(--ink-3),var(--ink-2));
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  box-shadow:0 40px 90px -50px rgba(0,0,0,.85);
}
.record-head{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:20px 24px;border-bottom:1px dashed var(--line);
}
.record-domain{font-family:var(--mono);font-size:1.25rem;font-weight:500;word-break:break-all}
.status-pill{
  font-family:var(--mono);font-size:.74rem;letter-spacing:.08em;text-transform:uppercase;
  padding:6px 12px;border-radius:100px;border:1px solid;white-space:nowrap;
}
.status-pill.registered{color:var(--green);border-color:rgba(91,217,138,.4);background:rgba(91,217,138,.08)}
.status-pill.available{color:var(--teal);border-color:rgba(61,212,200,.4);background:rgba(61,212,200,.08)}
.status-pill.unknown{color:var(--amber);border-color:rgba(255,180,84,.4);background:rgba(255,180,84,.08)}

/* Age stamp — the signature element */
.age-stamp{
  padding:30px 24px;text-align:center;
  border-bottom:1px solid var(--line);
  background:
    repeating-linear-gradient(45deg,rgba(255,180,84,.035) 0 12px,transparent 12px 24px);
  position:relative;
}
.age-stamp .lbl{font-family:var(--mono);font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;color:var(--text-3)}
.age-stamp .big{
  font-family:var(--display);font-weight:600;letter-spacing:-.02em;
  font-size:clamp(2.2rem,7vw,3.2rem);line-height:1.05;margin-top:6px;
  color:var(--amber);
}
.age-stamp .sub{font-family:var(--mono);font-size:.86rem;color:var(--text-2);margin-top:8px}

.fields{display:grid;grid-template-columns:1fr 1fr;gap:0}
.field{padding:16px 24px;border-bottom:1px solid var(--line-soft)}
.field:nth-child(odd){border-right:1px solid var(--line-soft)}
.field .k{font-family:var(--mono);font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--text-3);display:flex;align-items:center;gap:7px}
.field .v{font-family:var(--mono);font-size:.97rem;color:var(--text);margin-top:7px;word-break:break-word}
.field .v.muted{color:var(--text-3)}
.field .v .yes{color:var(--green)}
.field .v .no{color:var(--text-3)}
.ns-list{display:flex;flex-direction:column;gap:3px;font-size:.88rem}

.record-foot{padding:14px 24px;display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;font-family:var(--mono);font-size:.76rem;color:var(--text-3)}
.copy-btn{background:var(--ink);border:1px solid var(--line);color:var(--text-2);font-family:var(--mono);font-size:.76rem;padding:6px 12px;border-radius:7px;cursor:pointer;transition:.15s}
.copy-btn:hover{border-color:var(--teal-dim);color:var(--text)}

/* loading + error */
.note{max-width:760px;margin:24px auto 0;font-family:var(--mono);font-size:.9rem;text-align:center;padding:18px;border-radius:var(--radius-sm);border:1px solid var(--line);background:var(--ink-2);color:var(--text-2);display:none}
.note.show{display:block}
.note.err{color:var(--red);border-color:rgba(255,107,107,.35)}
.spinner{display:inline-block;width:15px;height:15px;border:2px solid var(--line);border-top-color:var(--teal);border-radius:50%;animation:spin .7s linear infinite;vertical-align:-2px;margin-right:8px}
@keyframes spin{to{transform:rotate(360deg)}}

/* ---------- Generic sections ---------- */
section{padding:60px 0}
.section-tag{font-family:var(--mono);font-size:.74rem;letter-spacing:.18em;text-transform:uppercase;color:var(--teal);margin-bottom:12px}
h2.h{font-family:var(--display);font-weight:600;letter-spacing:-.02em;font-size:clamp(1.6rem,3.6vw,2.3rem);line-height:1.12}
h2.h + p{color:var(--text-2);margin-top:12px;max-width:620px}

.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:16px;margin-top:34px}
.feat{background:var(--ink-2);border:1px solid var(--line);border-radius:var(--radius);padding:22px;transition:transform .15s,border-color .2s}
.feat:hover{transform:translateY(-3px);border-color:var(--teal-dim)}
.feat .ico{width:38px;height:38px;border-radius:10px;display:grid;place-items:center;background:rgba(61,212,200,.1);border:1px solid rgba(61,212,200,.25);margin-bottom:14px}
.feat h3{font-family:var(--display);font-weight:600;font-size:1.05rem;letter-spacing:-.01em}
.feat p{color:var(--text-2);font-size:.93rem;margin-top:7px}

/* steps */
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px;margin-top:34px;counter-reset:s}
.step{position:relative;padding:24px 22px 22px;background:var(--ink-2);border:1px solid var(--line);border-radius:var(--radius)}
.step::before{counter-increment:s;content:"0" counter(s);font-family:var(--mono);font-size:.8rem;color:var(--amber);letter-spacing:.1em}
.step h3{font-family:var(--display);font-weight:600;font-size:1.02rem;margin-top:8px}
.step p{color:var(--text-2);font-size:.92rem;margin-top:6px}

/* FAQ */
.faq{max-width:780px;margin:34px auto 0}
.faq details{border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--ink-2);margin-bottom:12px;overflow:hidden}
.faq summary{cursor:pointer;list-style:none;padding:18px 22px;font-family:var(--display);font-weight:500;font-size:1.02rem;display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--teal);font-size:1.3rem;font-family:var(--mono);transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{padding:0 22px 20px;color:var(--text-2);font-size:.96rem}

/* CTA band */
.band{background:linear-gradient(180deg,var(--ink-2),var(--ink-3));border:1px solid var(--line);border-radius:20px;padding:46px 32px;text-align:center;margin:14px 0}
.band h2{font-family:var(--display);font-weight:600;font-size:clamp(1.5rem,3.4vw,2.1rem);letter-spacing:-.02em}
.band p{color:var(--text-2);margin:12px auto 24px;max-width:520px}

/* ---------- Content pages ---------- */
.page-hero{padding:54px 0 8px}
.crumbs{font-family:var(--mono);font-size:.8rem;color:var(--text-3);margin-bottom:18px}
.crumbs a{color:var(--text-2)}.crumbs a:hover{color:var(--teal)}
.crumbs span{margin:0 8px;color:var(--line)}
.prose{max-width:740px}
.prose h1{font-family:var(--display);font-weight:600;letter-spacing:-.025em;font-size:clamp(2rem,4.6vw,2.9rem);line-height:1.08}
.prose .meta{font-family:var(--mono);font-size:.82rem;color:var(--text-3);margin-top:14px}
.prose h2{font-family:var(--display);font-weight:600;font-size:1.5rem;letter-spacing:-.01em;margin:36px 0 12px}
.prose h3{font-family:var(--display);font-weight:600;font-size:1.18rem;margin:26px 0 8px}
.prose p{color:var(--text-2);margin:14px 0}
.prose ul,.prose ol{color:var(--text-2);margin:14px 0;padding-left:22px}
.prose li{margin:7px 0}
.prose a{color:var(--teal);text-decoration:underline;text-underline-offset:3px;text-decoration-color:rgba(61,212,200,.4)}
.prose strong{color:var(--text)}
.prose .card{background:var(--ink-2);border:1px solid var(--line);border-radius:var(--radius);padding:22px 24px;margin:22px 0}
.prose code{font-family:var(--mono);font-size:.88em;background:var(--ink-3);border:1px solid var(--line);padding:2px 6px;border-radius:5px;color:var(--teal)}

.info-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px;margin-top:28px}
.info-card{background:var(--ink-2);border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.info-card h3{font-family:var(--display);font-weight:600;font-size:1.08rem;margin-bottom:8px}
.info-card p{color:var(--text-2);font-size:.94rem}
.info-card .mono{font-family:var(--mono);font-size:.9rem;color:var(--text);margin-top:4px}
.info-card a{color:var(--teal)}

.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
label{display:block;font-family:var(--mono);font-size:.76rem;letter-spacing:.1em;text-transform:uppercase;color:var(--text-3);margin:16px 0 7px}
input.f,textarea.f,select.f{width:100%;background:var(--ink-2);border:1px solid var(--line);border-radius:9px;color:var(--text);font-family:var(--sans);font-size:.97rem;padding:12px 14px;outline:0;transition:border-color .2s}
input.f:focus,textarea.f:focus,select.f:focus{border-color:var(--teal-dim);box-shadow:0 0 0 3px rgba(61,212,200,.12)}
textarea.f{resize:vertical;min-height:130px}

/* ---------- Footer ---------- */
.site-foot{border-top:1px solid var(--line-soft);background:var(--ink-2);margin-top:40px;padding:48px 0 30px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px}
.foot-brand .brand{margin-bottom:14px}
.foot-brand p{color:var(--text-3);font-size:.9rem;max-width:320px}
.foot-col h4{font-family:var(--mono);font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;color:var(--text-3);margin-bottom:14px}
.foot-col a{display:block;color:var(--text-2);font-size:.92rem;margin-bottom:9px;transition:color .15s}
.foot-col a:hover{color:var(--teal)}
.entities{border-top:1px solid var(--line-soft);margin-top:34px;padding-top:26px;display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.entity{font-family:var(--mono);font-size:.78rem;color:var(--text-3);line-height:1.7}
.entity b{display:block;color:var(--text-2);font-family:var(--sans);font-weight:600;font-size:.85rem;margin-bottom:5px}
.foot-base{border-top:1px solid var(--line-soft);margin-top:26px;padding-top:22px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:.82rem;color:var(--text-3)}
.foot-base a{color:var(--text-2)}

/* ---------- responsive ---------- */
@media (max-width:760px){
  .nav{display:none}
  .nav.open{display:flex;position:absolute;top:66px;left:0;right:0;flex-direction:column;gap:0;background:var(--ink-2);border-bottom:1px solid var(--line);padding:8px 24px 16px}
  .nav.open a{padding:12px 0;border-bottom:1px solid var(--line-soft)}
  .nav.open .btn{margin-top:12px;justify-content:center}
  .menu-btn{display:block}
  .fields{grid-template-columns:1fr}
  .field:nth-child(odd){border-right:0}
  .form-row{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr;gap:26px}
  .entities{grid-template-columns:1fr}
  .foot-base{flex-direction:column}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto}}