:root{--ink:#14213d;--muted:#5c677d;--line:#e3e7ee;--bg:#f7f9fc;--brand:#1f6feb;--brand-d:#174fae;--ok:#137333;--okbg:#e6f4ea;--warn:#8a5a00;--warnbg:#fff4d6;--bad:#b3261e;--badbg:#fde8e7}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font:16px/1.55 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:#fff}
a{color:var(--brand)}
.wrap{max-width:1040px;margin:0 auto;padding:0 20px}
.wrap.narrow{max-width:560px}
.wrap.wide{max-width:1400px}
.preview{background:#14213d;color:#fff;text-align:center;font-size:13px;padding:6px 12px}
header.top{border-bottom:1px solid var(--line);background:#fff}
header.top .wrap{display:flex;align-items:center;justify-content:space-between;height:62px;gap:12px}
.logo{font-weight:800;font-size:20px;color:var(--ink);text-decoration:none;letter-spacing:-.02em}
.logo .at{color:var(--brand)}
nav{display:flex;align-items:center;gap:16px;font-size:15px}
nav a{text-decoration:none;color:var(--ink)}
nav a.btn{color:#fff}
main{min-height:60vh}
h1{font-size:30px;line-height:1.2;letter-spacing:-.02em;margin:32px 0 16px}
h2{font-size:22px;margin:36px 0 12px}
.h3,h3{font-size:18px;margin:0 0 8px}
.hero{background:linear-gradient(180deg,#eef4ff,#fff);padding:30px 0 40px;text-align:center}
.hero h1{font-size:40px;margin:24px 0 14px}
.lead{font-size:19px;color:#2b3a55;max-width:680px;margin:0 auto 22px}
.btn{display:inline-block;background:var(--brand);color:#fff;border:0;border-radius:10px;padding:12px 20px;font:inherit;font-weight:600;text-decoration:none;cursor:pointer}
.btn:hover{background:var(--brand-d)}
.btn.small{padding:7px 12px;font-size:14px;border-radius:8px}
.btn.ghost{background:#fff;color:var(--brand);border:1px solid #c9d6ee}
.btn.ghost:hover{background:#f1f5fd}
.btn.danger{background:var(--bad)}
.btn.wide{width:100%}
.linkbtn{background:none;border:0;color:var(--ink);font:inherit;cursor:pointer;padding:0}
form.inline{display:inline}
.checker{max-width:560px;margin:0 auto;display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.checker .field-at{flex:1 1 300px}
.checker .check-result{flex-basis:100%;margin:0;min-height:24px}
.field-at{display:flex;align-items:stretch;border:1px solid #c5cedd;border-radius:10px;background:#fff;overflow:hidden}
.field-at input{border:0;flex:1;min-width:0;padding:12px 12px;font:inherit;font-size:18px;outline:none}
.field-at span{display:flex;align-items:center;padding:0 12px;background:#f1f4f9;color:var(--muted);font-size:17px;border-left:1px solid #e1e6ef}
.field-at:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(31,111,235,.15)}
.avail{margin:8px 0 0;font-weight:600}
.avail.ok{color:var(--ok)}
.avail.bad{color:var(--bad)}
.flow{display:flex;align-items:center;justify-content:center;gap:10px;margin:26px 0 8px;flex-wrap:wrap}
.pill{background:var(--brand);color:#fff;padding:8px 14px;border-radius:999px;font-weight:600;max-width:100%;overflow-wrap:anywhere}
.pill.light{background:#fff;color:var(--ink);border:1px solid var(--line)}
.arrow{font-size:22px;color:var(--muted)}
.small{font-size:14px}
.muted{color:var(--muted)}
.center{text-align:center}
.steps{padding-left:22px}
.steps li{margin:0 0 10px}
.plans{display:flex;gap:20px;justify-content:center;flex-wrap:wrap;margin:10px 0 16px}
.plan{border:1px solid var(--line);border-radius:14px;padding:22px 26px;width:280px;text-align:center;position:relative;background:#fff}
.plan.best{border:2px solid var(--brand);box-shadow:0 6px 24px rgba(31,111,235,.12)}
.plan .tag{position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:var(--brand);color:#fff;font-size:12px;font-weight:700;padding:3px 10px;border-radius:999px}
.price{font-size:40px;font-weight:800;margin:6px 0}
.price span{font-size:16px;font-weight:500;color:var(--muted)}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:30px}
.grid3>div{background:var(--bg);border-radius:14px;padding:20px}
.faq details{border-bottom:1px solid var(--line);padding:12px 0}
.faq summary{cursor:pointer;font-weight:600}
.card{border:1px solid var(--line);border-radius:14px;padding:20px;margin:16px 0;background:#fff}
.form label{display:block;font-weight:600;margin:14px 0 4px;font-size:15px}
.form input[type=email],.form input[type=password],.form input[type=text],.inline-form input{display:block;width:100%;padding:11px 12px;border:1px solid #c5cedd;border-radius:9px;font:inherit;margin-top:4px}
.form label.radio,.form label.check{font-weight:400;display:flex;gap:8px;align-items:flex-start}
.form label.check input,.form label.radio input{margin-top:5px}
.form button{margin-top:16px}
fieldset{border:0;padding:0;margin:14px 0 0}
legend{font-weight:600;font-size:15px;margin-bottom:4px}
.err{color:var(--bad);font-size:14px;margin:6px 0 0}
.hp{position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden}
.sr{position:absolute;left:-10000px}
.flash{padding:12px 14px;border-radius:10px;margin:14px 0}
.flash.ok{background:var(--okbg);color:var(--ok)}
.flash.warn{background:var(--warnbg);color:var(--warn)}
.flash.bad{background:var(--badbg);color:var(--bad)}
.badge{display:inline-block;font-size:12px;font-weight:700;padding:3px 9px;border-radius:999px;white-space:nowrap}
.badge.ok{background:var(--okbg);color:var(--ok)}
.badge.warn{background:var(--warnbg);color:var(--warn)}
.badge.bad{background:var(--badbg);color:var(--bad)}
.badge.muted{background:#eef1f5;color:var(--muted)}
.addr-head{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}
.addr h3{font-size:20px;margin:0}
.addr .dest{font-size:16px;margin:6px 0}
.actions{display:flex;flex-wrap:wrap;gap:8px;align-items:flex-start}
.inline-details{display:inline-block}
.inline-details summary{list-style:none}
.inline-details summary::-webkit-details-marker{display:none}
.inline-details .pop{border:1px solid var(--line);border-radius:10px;padding:12px;margin-top:8px;max-width:420px;background:#fbfcfe}
.row-between{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
.inline-form{display:flex;gap:8px;align-items:flex-end;flex-wrap:wrap;margin:10px 0}
.inline-form label{flex:1 1 220px;margin:0}
.inline-form input{margin:0}
.inline-form button{margin:0}
.big{font-size:19px}
.prose h2{font-size:19px}
.stats{display:flex;flex-wrap:wrap;gap:12px;margin:10px 0 18px}
.stat{border:1px solid var(--line);border-radius:12px;padding:10px 14px;min-width:140px}
.stat span{display:block;font-size:12px;color:var(--muted)}
.stat strong{font-size:22px}
.tablewrap{overflow-x:auto}
table{border-collapse:collapse;width:100%;font-size:14px}
th,td{border-bottom:1px solid var(--line);padding:8px;text-align:left;vertical-align:top}
th{background:var(--bg);font-size:12px;text-transform:uppercase;letter-spacing:.03em;color:var(--muted)}
td pre{white-space:pre-wrap;font-size:12px;max-width:700px}
.nowrap{white-space:nowrap}
footer{border-top:1px solid var(--line);margin-top:50px;padding:20px 0;font-size:14px;color:var(--muted)}
@media (max-width:760px){
  .hero h1{font-size:30px}
  h1{font-size:26px}
  .grid3{grid-template-columns:1fr}
  nav{gap:10px;font-size:14px}
  header.top .wrap{height:auto;padding-top:10px;padding-bottom:10px;flex-wrap:wrap}
  .field-at input{font-size:16px}
  .field-at span{font-size:15px}
}
.form label.check{display:block;padding-left:26px;position:relative}
.form label.check input{position:absolute;left:0;top:2px;margin:0}
.card h2:first-child,.card .h3:first-child{margin-top:0}
/* v2: wordmark accent (.cc), cc tagline, premium "coming soon" */
:root{--accent:#c2410c;--accent-on-dark:#ff922b}
.logo .tld{color:var(--accent)}
.on-dark .logo .tld,.preview .tld{color:var(--accent-on-dark)}
.eyebrow{display:inline-block;margin:18px 0 0;font-size:13px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--accent);background:#fff3ea;border-radius:999px;padding:4px 12px}
.hero h1{margin-top:12px}
.plan.premium{background:#fbfcfe;border-style:dashed;color:#3b4660}
.plan .tag.soon{background:var(--accent)}
.soon-price{font-size:26px!important;margin:14px 0!important}
.soon-price span{font-size:16px}
.plan button[disabled]{opacity:.6;cursor:not-allowed}
.notify{display:flex;gap:6px;margin-top:14px}
.notify input{flex:1;min-width:0;padding:8px 10px;border:1px solid #c5cedd;border-radius:8px;font:inherit;font-size:14px}
.tiny{font-size:12px;margin:6px 0 0}
.form label.check .badge{margin-left:4px;vertical-align:1px}
@media (max-width:760px){.plan{width:100%}}
/* v3: homepage showcase (available / taken / recently registered) */
.showcase{margin-top:-14px}
.sc-grid{display:grid;grid-template-columns:1.35fr 1fr 1fr;gap:16px}
.sc-grid.sc-n2{grid-template-columns:1.35fr 1fr}
.sc-grid.sc-n1{grid-template-columns:1fr}
.sc-card{border:1px solid var(--line);border-radius:14px;padding:16px 18px;background:#fff;min-width:0}
.sc-avail{border-color:#f3c7ab;box-shadow:0 6px 24px rgba(194,65,12,.08)}
.sc-label{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--muted);margin:0 0 10px}
.sc-dot{width:9px;height:9px;border-radius:50%;background:var(--muted);flex:none}
.sc-dot.ok{background:#1a7f37}.sc-dot.bad{background:var(--bad)}.sc-dot.new{background:var(--accent)}
.sc-rotor{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap;margin:0 0 12px;min-height:44px}
.sc-big{font-size:28px;font-weight:800;letter-spacing:-.02em;color:var(--ink);text-decoration:none;display:inline-block;max-width:100%;overflow-wrap:anywhere;transition:opacity .25s ease,transform .25s ease}
.sc-big:hover .sc-word,.sc-big:focus .sc-word{text-decoration:underline;text-decoration-color:var(--accent);text-underline-offset:4px}
.sc-big .sc-at{color:var(--muted);font-weight:600}
.sc-big.out{opacity:0;transform:translateY(6px)}
.tld{color:var(--accent)}
.sc-cat{font-size:12px;font-weight:700;color:var(--accent);background:#fff3ea;border-radius:999px;padding:2px 9px;white-space:nowrap}
.sc-chips{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:6px}
.sc-chips a,.sc-taken-name{display:inline-block;border:1px solid var(--line);border-radius:999px;padding:4px 10px;font-size:14px;color:var(--ink);text-decoration:none;background:#fbfcfe}
.sc-chips a b{font-weight:700}
.sc-chips a:hover,.sc-chips a:focus{border-color:var(--accent);background:#fff7f1}
.sc-chips a .tld,.sc-taken-name .tld{color:inherit}
.js-sc .sc-chips .sc-more{display:none}
.sc-taken-name{color:var(--muted);text-decoration:line-through;text-decoration-color:rgba(179,38,30,.55);background:#f6f7f9}
.sc-list{list-style:none;margin:0;padding:0}
.sc-list li{padding:6px 0;border-bottom:1px dashed var(--line);font-size:15px;overflow-wrap:anywhere}
.sc-list li:last-child{border-bottom:0}
.sc-addr{font-weight:600;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:14px}
.sc-foot{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-top:10px}
.sc-pause{color:var(--brand);text-decoration:underline}
.sc-card .tiny{margin-top:10px}
a:focus-visible,button:focus-visible{outline:3px solid rgba(194,65,12,.45);outline-offset:2px;border-radius:6px}
@media (max-width:860px){.sc-grid,.sc-grid.sc-n2{grid-template-columns:1fr}.showcase{margin-top:-20px}.sc-big{font-size:24px}}
@media (prefers-reduced-motion:reduce){.sc-big{transition:none}.sc-big.out{opacity:1;transform:none}}
/* v4: group email (homepage section + account members) */
.group{margin-top:10px}
.group .eyebrow{margin-top:30px}
.group h2{margin-top:10px}
.lead-left{font-size:18px;color:#2b3a55;max-width:760px}
.group-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:18px 0}
.group-card{background:var(--bg);border-radius:14px;padding:20px}
.flow.flow-left{justify-content:flex-start;margin:6px 0 10px}
.fan{list-style:none;margin:0 0 10px;padding:0 0 0 18px;border-left:3px solid var(--brand)}
.fan li{background:#fff;border:1px solid var(--line);border-radius:999px;display:inline-block;padding:4px 12px;margin:4px 6px 4px 0;font-weight:600;font-size:15px}
.members-box{border-top:1px solid var(--line);margin-top:16px;padding-top:12px}
.members-box h4{font-size:16px;margin:0 0 4px}
table.members td{vertical-align:middle}
.m-email{overflow-wrap:anywhere;font-weight:600}
.m-acts form{margin-left:4px}
.members-add textarea{display:block;width:100%;max-width:560px;padding:10px 12px;border:1px solid #c5cedd;border-radius:9px;font:inherit;font-size:15px;margin-top:4px}
.members-add button{margin-top:8px}
.btn.danger-text{color:var(--bad);border-color:#efc4c1}
ul.tight{margin:6px 0 0;padding-left:20px}
@media (max-width:760px){.group-grid{grid-template-columns:1fr}}