/* 1000xtrade.xyz — paper & ink theme */
:root{
 --bg:#f2ead8;--bg2:#ebe2cd;--card:#f7f1e3;--card2:#ece3cf;
 --line:rgba(36,30,22,.12);--line2:rgba(36,30,22,.24);
 --txt:#1f1b15;--muted:#544c40;--dim:#857b6b;
 --accent:#c8361b;--accent2:#9e2a14;--green:#17784a;--red:#c43a2c;--warn:#a5620a;
 --shadow:0 20px 60px rgba(70,52,22,.14);
 --mono:ui-monospace,"SFMono-Regular","JetBrains Mono",Menlo,Consolas,monospace;
 --sans:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{background:var(--bg);color:var(--txt);font-family:var(--sans);font-size:16px;line-height:1.65;overflow-x:hidden}
a{color:var(--accent2);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:var(--accent)}
img{max-width:100%;height:auto;display:block}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}
.mono{font-family:var(--mono)}
.us{color:var(--accent)}
.caret{color:var(--accent);animation:blink 1.1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
@media (prefers-reduced-motion:reduce){.caret{animation:none}}

/* header */
.topbar{position:sticky;top:0;z-index:50;background:rgba(242,234,216,.88);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px}
.brand{font-family:var(--mono);font-weight:700;font-size:1.25rem;letter-spacing:-.02em;color:var(--txt);text-decoration:none;white-space:nowrap}
.brand:hover{color:var(--txt)}
.nav-links{display:flex;align-items:center;gap:26px;list-style:none}
.nav-links a{font-family:var(--mono);font-size:.82rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);text-decoration:none}
.nav-links a:hover,.nav-links a[aria-current=page]{color:var(--txt)}
.nav-links a.nav-cta{color:var(--bg);background:var(--txt);padding:9px 16px;border-radius:2px}
.nav-links a.nav-cta:hover{background:var(--accent2);color:#fff}
.nav-toggle{display:none;background:none;border:1px solid var(--line2);border-radius:4px;color:var(--txt);font-size:1.2rem;width:42px;height:38px;cursor:pointer}

/* ticker */
.ticker{border-bottom:1px solid var(--line);overflow:hidden;background:var(--bg2);font-family:var(--mono);font-size:.8rem;color:var(--muted);white-space:nowrap}
.ticker-track{display:inline-flex;gap:42px;padding:7px 0;animation:tick 40s linear infinite}
.ticker-track span b{color:var(--txt);font-weight:600;margin-left:6px}
@keyframes tick{from{transform:translateX(0)}to{transform:translateX(-50%)}}
@media (prefers-reduced-motion:reduce){.ticker-track{animation:none}}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;border-radius:2px;border:1px solid var(--line2);background:transparent;color:var(--txt);font-family:var(--mono);font-size:.86rem;font-weight:600;letter-spacing:.06em;text-decoration:none;cursor:pointer;transition:background .15s,color .15s,border-color .15s}
.btn:hover{border-color:var(--txt);color:var(--txt)}
.btn-grad{background:var(--txt);border-color:var(--txt);color:var(--bg)}
.btn-grad:hover{background:var(--accent2);border-color:var(--accent2);color:#fff}
.btn-ghost{background:rgba(255,255,255,.25)}
.br::before{content:"[";margin-right:10px;opacity:.55}
.br::after{content:"]";margin-left:10px;opacity:.55}
.btn-up{text-transform:uppercase;letter-spacing:.16em}

/* hero */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
#ascii{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;opacity:.55}
.hero .wrap{position:relative;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:48px;align-items:center;min-height:min(86vh,760px);padding-top:56px;padding-bottom:56px}
.wordmark{font-family:var(--sans);font-weight:500;font-size:clamp(3.2rem,8.6vw,7rem);line-height:.95;letter-spacing:-.055em;color:var(--txt)}
.wordmark .us{display:inline-block;width:.5em;height:.09em;background:var(--accent);vertical-align:baseline;margin-left:.04em}
.hero h1{font-size:clamp(1.15rem,2vw,1.4rem);font-weight:600;line-height:1.35;margin:26px 0 14px;max-width:30ch}
.hero-list{list-style:none;font-size:clamp(1.05rem,1.7vw,1.25rem);line-height:1.55;color:var(--txt)}
.hero-list li::before{content:"_";color:var(--accent);font-weight:700;margin-right:8px;visibility:hidden}
.hero-list li:first-child::before{visibility:visible}
.hero-ctas{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.hero-note{margin-top:16px;font-size:.85rem;color:var(--dim)}
.preview{background:var(--card);border:1px solid var(--line2);border-radius:6px;box-shadow:var(--shadow);overflow:hidden}
.preview-bar{display:flex;gap:6px;align-items:center;padding:9px 12px;border-bottom:1px solid var(--line);font-family:var(--mono);font-size:.72rem;color:var(--dim)}
.preview-bar i{width:9px;height:9px;border-radius:50%;background:var(--line2);display:inline-block}
.preview-bar span{margin-left:8px}
.preview img{width:100%}

/* sections */
.sec{padding:84px 0;border-bottom:1px solid var(--line)}
.sec-alt{background:var(--bg2)}
.kicker{font-family:var(--mono);font-size:.78rem;letter-spacing:.18em;text-transform:uppercase;color:var(--accent2);margin-bottom:12px}
.sec h2{font-size:clamp(1.6rem,3.2vw,2.3rem);line-height:1.2;letter-spacing:-.02em;margin-bottom:14px}
.sec-lead{color:var(--muted);max-width:68ch;margin-bottom:36px}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.card{background:var(--card);border:1px solid var(--line);border-radius:6px;padding:24px}
.card h3{font-size:1.08rem;margin-bottom:8px}
.card p{color:var(--muted);font-size:.95rem}
.step-n{font-family:var(--mono);color:var(--accent);font-size:.85rem;font-weight:700;display:block;margin-bottom:12px}
a.card{display:block;text-decoration:none;color:var(--txt);transition:border-color .15s,transform .15s}
a.card:hover{border-color:var(--txt);transform:translateY(-2px)}
a.card .more{display:inline-block;margin-top:12px;font-family:var(--mono);font-size:.8rem;color:var(--accent2)}
.stat{font-family:var(--mono);font-size:clamp(1.4rem,2.6vw,2rem);font-weight:600;letter-spacing:-.02em}
.stat-l{font-size:.82rem;color:var(--dim);font-family:var(--mono);text-transform:uppercase;letter-spacing:.1em}
.cta-box{background:var(--txt);color:var(--bg);border-radius:6px;padding:44px;display:flex;flex-wrap:wrap;gap:24px;align-items:center;justify-content:space-between}
.cta-box h2,.cta-box h3{color:var(--bg);margin:0}
.cta-box p{color:#cfc5b1;margin-top:6px}
.cta-box .btn{background:var(--bg);color:var(--txt);border-color:var(--bg)}
.cta-box .btn:hover{background:var(--accent);border-color:var(--accent);color:#fff}

/* tables */
.tbl-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:6px;background:var(--card)}
.tbl{width:100%;border-collapse:collapse;font-size:.94rem}
.tbl th,.tbl td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
.tbl th{font-family:var(--mono);font-size:.76rem;letter-spacing:.1em;text-transform:uppercase;color:var(--dim);font-weight:600;background:var(--card2)}
.tbl tr:last-child td{border-bottom:0}
.tbl td.num{font-family:var(--mono);font-variant-numeric:tabular-nums}

/* article */
.crumbs{font-family:var(--mono);font-size:.78rem;color:var(--dim);margin-bottom:18px}
.crumbs a{color:var(--dim);text-decoration:none}
.crumbs a:hover{color:var(--txt)}
.page-hero{padding:56px 0 34px;border-bottom:1px solid var(--line)}
.page-hero h1{font-size:clamp(1.9rem,4.2vw,3rem);line-height:1.12;letter-spacing:-.03em;max-width:24ch}
.page-hero .lead{font-size:1.12rem;color:var(--muted);max-width:66ch;margin-top:16px}
.meta-line{font-family:var(--mono);font-size:.78rem;color:var(--dim);margin-top:16px}
.article-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:56px;padding:48px 0 80px}
.prose{max-width:72ch}
.prose h2{font-size:1.5rem;line-height:1.25;letter-spacing:-.015em;margin:42px 0 12px}
.prose h2:first-child{margin-top:0}
.prose h3{font-size:1.15rem;margin:28px 0 8px}
.prose p,.prose li{color:#3b352c}
.prose p{margin-bottom:16px}
.prose ul,.prose ol{padding-left:22px;margin-bottom:18px}
.prose li{margin-bottom:6px}
.prose strong{color:var(--txt)}
.prose code{font-family:var(--mono);font-size:.88em;background:var(--card2);padding:1px 6px;border-radius:3px}
.prose .tbl-wrap{margin:8px 0 22px}
.callout{border-left:3px solid var(--accent);background:var(--card);padding:16px 20px;margin:22px 0;border-radius:0 6px 6px 0}
.callout p:last-child{margin-bottom:0}
.callout.warn{border-left-color:var(--warn)}
.keyfacts{background:var(--card);border:1px solid var(--line);border-radius:6px;padding:20px 22px;margin:0 0 30px}
.keyfacts h2{font-family:var(--mono);font-size:.78rem!important;letter-spacing:.16em;text-transform:uppercase;color:var(--accent2);margin:0 0 10px!important}
.keyfacts ul{margin:0}
.side{position:sticky;top:88px;align-self:start;display:flex;flex-direction:column;gap:16px}
.side .card{padding:20px}
.side h3{font-family:var(--mono);font-size:.76rem;letter-spacing:.16em;text-transform:uppercase;color:var(--dim);margin-bottom:10px}
.side ul{list-style:none}
.side li{padding:6px 0;border-bottom:1px solid var(--line);font-size:.92rem}
.side li:last-child{border-bottom:0}
.side li a{color:var(--txt);text-decoration:none}
.side li a:hover{color:var(--accent2)}
.related{padding:0 0 80px}

/* faq */
.faq details{border-bottom:1px solid var(--line);padding:18px 0}
.faq summary{cursor:pointer;font-weight:600;font-size:1.05rem;list-style:none;display:flex;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--mono);color:var(--accent)}
.faq details[open] summary::after{content:"−"}
.faq details p{color:var(--muted);margin-top:10px;max-width:75ch}

/* calculator */
.calc{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:18px;margin-bottom:34px}
.calc .card{padding:22px}
.calc label{display:block;font-family:var(--mono);font-size:.76rem;letter-spacing:.1em;text-transform:uppercase;color:var(--dim);margin:12px 0 6px}
.calc label:first-child{margin-top:0}
.calc input,.calc select{width:100%;background:#fffaf0;border:1px solid var(--line2);border-radius:4px;padding:11px 12px;font:inherit;font-family:var(--mono);font-size:16px;color:var(--txt)}
.calc input:focus,.calc select:focus{outline:none;border-color:var(--txt)}
.seg{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--line2);border-radius:4px;overflow:hidden}
.seg button{background:none;border:0;padding:10px;font-family:var(--mono);font-weight:700;cursor:pointer;color:var(--muted)}
.seg button.on[data-side=long]{background:rgba(23,120,74,.14);color:var(--green)}
.seg button.on[data-side=short]{background:rgba(196,58,44,.12);color:var(--red)}
.out-row{display:flex;justify-content:space-between;gap:12px;padding:10px 0;border-bottom:1px solid var(--line);font-size:.95rem}
.out-row:last-of-type{border-bottom:0}
.out-row span{color:var(--muted)}
.out-row b{font-family:var(--mono);font-variant-numeric:tabular-nums;text-align:right}
.out-big{font-family:var(--mono);font-size:2rem;font-weight:700;letter-spacing:-.02em;margin:4px 0 14px}
.calc-msg{font-size:.85rem;color:var(--red);min-height:1.2em;margin-top:8px}

/* footer */
footer{background:var(--txt);color:#cfc5b1;padding:64px 0 34px}
footer a{color:#e9e0cc;text-decoration:none}
footer a:hover{color:#fff}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
.foot-grid h4{font-family:var(--mono);font-size:.76rem;letter-spacing:.16em;text-transform:uppercase;color:#958b78;margin-bottom:14px}
.foot-grid ul{list-style:none}
.foot-grid li{margin-bottom:8px;font-size:.92rem}
.foot-brand{font-family:var(--mono);font-weight:700;font-size:1.2rem;color:#f2ead8;margin-bottom:12px}
.foot-grid p{font-size:.9rem;line-height:1.6}
.disclaimer{margin-top:40px;padding-top:24px;border-top:1px solid rgba(242,234,216,.14);font-size:.8rem;line-height:1.6;color:#958b78}
.copyright{margin-top:14px;font-family:var(--mono);font-size:.76rem;color:#7b7262}

/* 404 */
.nf{padding:120px 0;text-align:center}
.nf .wordmark{font-size:clamp(4rem,14vw,9rem)}

@media (max-width:980px){
 .hero .wrap{grid-template-columns:minmax(0,1fr);min-height:0;gap:34px}
 .grid-3,.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
 .article-grid{grid-template-columns:minmax(0,1fr);gap:24px}
 .side{position:static}
 .foot-grid{grid-template-columns:1fr 1fr}
 .calc{grid-template-columns:minmax(0,1fr)}
}
@media (max-width:820px){
 .nav-toggle{display:block}
 .nav-links{display:none;position:absolute;top:64px;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;background:var(--bg);border-bottom:1px solid var(--line);padding:8px 20px 18px}
 .nav-links.open{display:flex}
 .nav-links li{border-bottom:1px solid var(--line)}
 .nav-links li:last-child{border-bottom:0;padding-top:12px}
 .nav-links a{display:block;padding:13px 0;font-size:.9rem}
 .nav-links a.nav-cta{text-align:center;padding:13px 16px}
}
@media (max-width:720px){
 .wrap{padding:0 18px}
 .sec{padding:56px 0}
 .hero .wrap{padding-top:34px;padding-bottom:40px}
 .grid-2,.grid-3,.grid-4{grid-template-columns:minmax(0,1fr)}
 .hero-ctas .btn{flex:1}
 .cta-box{padding:28px}
 .page-hero{padding:34px 0 24px}
 .article-grid{padding:30px 0 56px}
 .foot-grid{grid-template-columns:minmax(0,1fr)}
 .tbl th,.tbl td{padding:10px 12px}
}