/* SmartCore — landing. Dark, hairline borders, mono numerals. Brand: mint #7dd79f → violet #a98bf0. */
:root{
  --bg:#0b0e13; --bg2:#10151d; --panel:#141a24; --panel2:#182030;
  --line:#242e3f; --line-soft:#1c2431;
  --tx:#e9eef6; --tx2:#a6b2c5; --tx3:#7c8899;
  --mint:#7dd79f; --violet:#a98bf0;
  --grad:linear-gradient(90deg,var(--mint),var(--violet));
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --sans:"Inter",-apple-system,"Segoe UI",Roboto,sans-serif;
  --r:10px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--bg);color:var(--tx);font:16px/1.6 var(--sans);
  background-image:radial-gradient(1200px 500px at 75% -100px,rgba(169,139,240,.07),transparent 60%),
                   radial-gradient(900px 420px at 10% -80px,rgba(125,215,159,.06),transparent 60%);}
.mono{font-family:var(--mono)}
.small{font-size:13px}
.muted{color:var(--tx2)}
a{color:var(--mint);text-decoration:none}
a:hover{text-decoration:underline}
main{max-width:1168px;margin:0 auto;padding:0 24px}

/* nav */
.nav{position:sticky;top:0;z-index:50;display:flex;align-items:center;gap:28px;
  padding:12px max(24px,calc((100vw - 1120px)/2));background:rgba(11,14,19,.86);backdrop-filter:blur(10px);border-bottom:1px solid var(--line-soft)}
.brand{display:flex;align-items:center;gap:10px;color:var(--tx);font-weight:700;letter-spacing:.2px}
.brand:hover{text-decoration:none}
.brand img{border-radius:8px}
.nav-links{display:flex;gap:22px;margin-left:auto}
.nav-links a{color:var(--tx2);font-size:14.5px;font-weight:500}
.nav-links a:hover{color:var(--tx);text-decoration:none}

/* buttons */
.btn{display:inline-block;border:1px solid var(--line);border-radius:var(--r);padding:12px 22px;
  font-weight:600;font-size:15px;cursor:pointer;transition:transform .12s ease,border-color .12s}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn-primary{background:var(--grad);color:#0b1220;border:none}
.btn-primary:hover{filter:brightness(1.07)}
.btn-ghost{background:transparent;color:var(--tx)}
.btn-ghost:hover{border-color:var(--mint)}
.btn-sm{padding:9px 16px;font-size:14px}
:focus-visible{outline:2px solid var(--mint);outline-offset:2px}

/* hero */
.hero{display:grid;grid-template-columns:1.25fr .85fr;gap:48px;align-items:start;padding:72px 0 56px}
.eyebrow{font-family:var(--mono);font-size:13px;color:var(--mint);letter-spacing:.06em;margin:0 0 14px}
.hero h1{font-size:clamp(30px,4.4vw,50px);line-height:1.18;margin:0 0 18px;font-weight:800;letter-spacing:-.5px}
.lead{color:var(--tx2);font-size:17.5px;max-width:56ch;margin:0 0 26px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-note{margin-top:18px;color:var(--tx3);font-size:13.5px}

/* live board */
.live-board{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:22px 24px;position:sticky;top:84px}
.board-head{display:flex;align-items:center;gap:9px;font-family:var(--mono);font-size:12px;letter-spacing:.08em;
  text-transform:uppercase;color:var(--tx3);margin-bottom:16px}
.pulse{width:8px;height:8px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 0 rgba(125,215,159,.5);animation:pulse 2s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 9px rgba(125,215,159,0)}100%{box-shadow:0 0 0 0 rgba(125,215,159,0)}}
@media (prefers-reduced-motion:reduce){.pulse{animation:none}}
.live-board dl{margin:0;display:grid;gap:0}
.live-board dl>div{display:flex;justify-content:space-between;gap:16px;padding:10px 0;border-bottom:1px solid var(--line-soft)}
.live-board dt{color:var(--tx2);font-size:14px}
.live-board dd{margin:0;font-family:var(--mono);font-size:14.5px;font-weight:600;color:var(--tx);text-align:right}
.board-src{margin-top:14px;font-size:12px;color:var(--tx2)}
.board-src .mono{color:var(--tx2)}

/* sections */
.section{padding:56px 0;border-top:1px solid var(--line-soft);scroll-margin-top:84px}
.section-title{display:flex;align-items:baseline;gap:16px;font-size:26px;font-weight:700;margin:0 0 30px;letter-spacing:-.3px}
.section-title .num{font-size:14px;color:var(--tx3)}

/* cards */
.grid{display:grid;gap:18px}
.grid-why{grid-template-columns:repeat(2,1fr)}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:24px}
.card h3{margin:0 0 10px;font-size:17px}
.card p{margin:0;color:var(--tx2);font-size:15px}
.card h3{color:var(--tx)}

/* tokenomics */
.token-wrap{display:grid;grid-template-columns:1.4fr 1fr;gap:18px;align-items:start}
.token-table{width:100%;border-collapse:collapse;background:var(--panel);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.token-table th,.token-table td{padding:13px 18px;text-align:left;border-bottom:1px solid var(--line-soft);font-size:15px}
.token-table th{color:var(--tx2);font-weight:500;width:38%}
.token-table tr:last-child th,.token-table tr:last-child td{border-bottom:none}
.token-note h3{color:var(--mint)}
.token-note p b{color:var(--tx)}

/* mining */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;counter-reset:s}
.step{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:24px;min-width:0}
.step-num{font-size:13px;color:var(--violet);margin-bottom:10px}
.step h3{margin:0 0 10px;font-size:17px}
.step p{margin:0 0 14px;color:var(--tx2);font-size:15px}
.snippet{position:relative;background:var(--bg2);border:1px solid var(--line);border-radius:8px;margin:0 0 14px;min-width:0;max-width:100%;overflow:hidden}
.snippet code{display:block;padding:14px 16px;font-family:var(--mono);font-size:13px;line-height:1.55;color:#cfe7d8;overflow-x:auto;white-space:pre}
.copy{position:absolute;top:8px;right:8px;background:var(--panel2);border:1px solid var(--line);color:var(--tx2);
  font-size:12px;font-family:var(--mono);border-radius:6px;padding:6px 10px;cursor:pointer}
.copy:hover{color:var(--tx);border-color:var(--mint)}
.honesty{margin-top:20px;padding:14px 18px;border-left:3px solid var(--violet);color:var(--tx2);font-size:14.5px;background:rgba(169,139,240,.05)}

/* calc */
.calc{margin-top:22px;display:grid;grid-template-columns:1.1fr .9fr;gap:26px;align-items:center}
.calc label{display:block;margin:14px 0 8px;font-size:14.5px}
.calc input[type=range]{width:100%;accent-color:var(--mint)}
.calc-out{display:grid;gap:10px;background:var(--bg2);border:1px solid var(--line-soft);border-radius:8px;padding:18px}
.calc-out>div{display:flex;justify-content:space-between;align-items:baseline;gap:12px}
.calc-out span{font-size:13.5px;color:var(--tx2)}
.calc-out b{font-size:19px}

/* ecosystem */
.grid-eco{grid-template-columns:repeat(4,1fr)}
.eco-card{display:flex;flex-direction:column;color:inherit}
.eco-card:hover{text-decoration:none;border-color:var(--mint);transform:translateY(-2px);transition:transform .12s,border-color .12s}
.eco-card h3{margin:0 0 8px}
.eco-card p{flex:1}
.eco-card .go{margin-top:14px;color:var(--mint);font-size:14px;font-weight:600}
.rpc-line{margin-top:20px;padding:14px 18px;border:1px dashed var(--line);border-radius:8px;font-size:14px;color:var(--tx2)}
.rpc-line .mono{color:var(--tx)}

/* roadmap */
.roadmap{list-style:none;margin:0;padding:0;display:grid;gap:0}
.roadmap li{display:flex;gap:18px;padding:18px 0;border-bottom:1px solid var(--line-soft)}
.roadmap li:last-child{border-bottom:none}
.tag{flex:0 0 92px;text-align:center;font-family:var(--mono);font-size:11.5px;letter-spacing:.05em;text-transform:uppercase;
  padding:5px 0;border-radius:999px;border:1px solid var(--line);color:var(--tx2);height:26px}
li.done .tag{color:var(--mint);border-color:rgba(125,215,159,.4);background:rgba(125,215,159,.07)}
li.next .tag{color:var(--violet);border-color:rgba(169,139,240,.45);background:rgba(169,139,240,.08)}
.roadmap b{font-size:16px}
.roadmap p{margin:4px 0 0;color:var(--tx2);font-size:14.5px}

/* faq */
.faq-item{border:1px solid var(--line);border-radius:var(--r);background:var(--panel);margin-bottom:10px}
.faq-item summary{cursor:pointer;padding:16px 20px;font-weight:600;list-style:none;display:flex;justify-content:space-between;gap:12px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-family:var(--mono);color:var(--tx3)}
.faq-item[open] summary::after{content:"–"}
.faq-item p{margin:0;padding:0 20px 18px;color:var(--tx2);font-size:15px}

/* cta strip */
.cta-strip{margin:60px 0;padding:36px 40px;border:1px solid var(--line);border-radius:14px;
  background:linear-gradient(120deg,rgba(125,215,159,.07),rgba(169,139,240,.07)),var(--panel)}
.cta-strip h2{margin:0 0 8px;font-size:24px;letter-spacing:-.3px}
.cta-strip p{margin:0 0 20px;color:var(--tx2)}

/* footer */
.footer{border-top:1px solid var(--line-soft);margin-top:40px;padding:40px max(24px,calc((100vw - 1120px)/2)) 28px;background:var(--bg2)}
.footer-grid{max-width:1120px;margin:0 auto;display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:30px}
.footer h4{margin:0 0 10px;font-size:14px;color:var(--tx2);text-transform:uppercase;letter-spacing:.06em}
.footer p{margin:0;font-size:14px;color:var(--tx2)}
.copyright{max-width:1120px;margin:28px auto 0;color:var(--tx3);font-size:12.5px;border-top:1px solid var(--line-soft);padding-top:16px}

/* responsive */
@media (max-width:960px){
  .hero{grid-template-columns:1fr;padding-top:48px;gap:32px}
  .live-board{position:static}
  .grid-why{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .grid-eco{grid-template-columns:repeat(2,1fr)}
  .token-wrap,.calc{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:22px}
  .nav{padding:10px 16px;gap:14px}
  .nav-links{display:none}
}
@media (max-width:520px){
  .grid-eco{grid-template-columns:1fr}
  .snippet code{padding-right:16px;padding-bottom:44px;white-space:pre-wrap;word-break:break-all}
  .copy{top:auto;bottom:8px}
}