:root{
  --bg:#07050d; --bg2:#0d0918; --bg3:#120c22;
  --card:rgba(255,255,255,.035); --card2:rgba(255,255,255,.06); --line:rgba(168,85,247,.22); --line2:rgba(255,255,255,.08);
  --txt:#ebe6f7; --muted:#a79fbd; --dim:#8e86a8;
  --p:#a855f7; --p2:#c084fc; --p3:#7c3aed; --glow:rgba(168,85,247,.45);
  --ok:#34d399; --warn:#fbbf24; --bad:#f87171;
  --r:16px; --r2:12px; --w:1180px;
  --font:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif; --mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
section,.cta{scroll-margin-top:74px}
body{font-family:var(--font);background:radial-gradient(1200px 600px at 70% -10%,#1c1033 0%,transparent 60%),linear-gradient(180deg,#09061a 0%,var(--bg) 40%,#050309 100%);color:var(--txt);line-height:1.55;min-height:100vh;overflow-x:hidden}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
code{font-family:var(--mono);font-size:.92em;color:var(--p2);background:rgba(168,85,247,.1);padding:.1em .4em;border-radius:6px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.wrap{width:min(var(--w),calc(100% - 40px));margin:0 auto}
.wrap.narrow{width:min(820px,calc(100% - 40px))}
.grad{background:linear-gradient(90deg,#e9d5ff 0%,var(--p2) 40%,var(--p) 100%);-webkit-background-clip:text;background-clip:text;color:transparent}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 20px;border-radius:12px;font-weight:600;font-size:15px;white-space:nowrap;transition:transform .15s ease,box-shadow .2s ease,background .2s ease,border-color .2s;border:1px solid transparent;line-height:1}
.btn-primary{background:linear-gradient(135deg,var(--p2),var(--p3));color:#fff;box-shadow:0 8px 30px -10px var(--glow),inset 0 1px 0 rgba(255,255,255,.25)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 14px 40px -10px var(--glow)}
.btn-ghost{background:rgba(255,255,255,.04);border-color:var(--line);color:var(--txt)}
.btn-ghost:hover{background:rgba(168,85,247,.12);border-color:var(--p)}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none!important;box-shadow:none}
.btn-lg{padding:16px 30px;font-size:17px;border-radius:14px}

/* nav */
.nav{position:sticky;top:0;z-index:50;display:flex;align-items:center;gap:28px;padding:14px 24px;background:rgba(7,5,13,.72);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line2)}
.brand{display:flex;align-items:center;gap:10px}
.brand-text{font-weight:600;letter-spacing:.2px;font-size:17px}
.brand-text b{font-weight:800;color:var(--p2)}
.nav-links{display:flex;gap:26px;margin-left:auto}
.nav-links a{color:var(--muted);font-weight:500;font-size:14.5px;position:relative;padding:6px 0}
.nav-links a:hover{color:var(--txt)}
.nav-links a::after{content:"";position:absolute;left:0;right:100%;bottom:0;height:2px;background:var(--p);transition:right .2s}
.nav-links a:hover::after{right:0}
.nav-cta{display:flex;gap:10px}
.nav-burger{display:none;flex-direction:column;justify-content:center;gap:5px;padding:8px;margin-left:auto;min-width:44px;min-height:44px}
.nav-burger span{display:block;width:22px;height:2px;background:var(--txt);border-radius:2px}
.mobile-menu{position:fixed;inset:62px 0 auto 0;z-index:49;background:rgba(9,6,20,.97);border-bottom:1px solid var(--line);padding:14px 20px 20px;display:flex;flex-direction:column;gap:4px}
.mobile-menu a{padding:12px 6px;font-weight:600;border-bottom:1px solid var(--line2)}
.mobile-menu a.btn{margin-top:10px;border:0}
.mobile-menu[hidden]{display:none}
@media (min-width:981px){.mobile-menu{display:none!important}}

/* hero */
.hero{position:relative;padding:92px 0 56px;overflow:hidden}
.hero-glow{position:absolute;inset:-20% -10% auto;height:120%;background:radial-gradient(600px 400px at 50% 10%,rgba(168,85,247,.28),transparent 60%),radial-gradient(500px 300px at 85% 40%,rgba(124,58,237,.18),transparent 60%);pointer-events:none}
.hero-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(168,85,247,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(168,85,247,.08) 1px,transparent 1px);background-size:56px 56px;mask-image:radial-gradient(ellipse at 50% 0%,#000 20%,transparent 70%);-webkit-mask-image:radial-gradient(ellipse at 50% 0%,#000 20%,transparent 70%);pointer-events:none}
.hero-inner{position:relative;text-align:center;max-width:860px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;letter-spacing:1.6px;text-transform:uppercase;color:var(--p2);margin-bottom:18px}
.eyebrow .dot{width:8px;height:8px;border-radius:50%;background:var(--p);box-shadow:0 0 12px var(--p)}
h1{font-size:clamp(40px,6.4vw,74px);line-height:1.02;font-weight:800;letter-spacing:-1.8px;margin-bottom:22px}
.lead{font-size:clamp(16px,1.6vw,19px);color:var(--muted);max-width:720px;margin:0 auto 34px}
.hero-search{display:flex;align-items:center;gap:8px;background:rgba(13,9,24,.9);border:1px solid var(--line);border-radius:16px;padding:8px 8px 8px 18px;max-width:760px;margin:0 auto;box-shadow:0 20px 60px -30px var(--glow),inset 0 1px 0 rgba(255,255,255,.04);transition:border-color .2s,box-shadow .2s}
.hero-search:focus-within{border-color:var(--p);box-shadow:0 0 0 4px rgba(168,85,247,.15),0 20px 60px -30px var(--glow)}
.hs-icon{color:var(--p2);font-size:20px}
.hero-search input{flex:1;background:none;border:0;outline:0;color:var(--txt);font:500 16px var(--font);min-width:0;height:44px}
.hero-search input::placeholder{color:var(--dim)}
.hero-chips{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin:16px auto 0}
.chip{font-family:var(--mono);font-size:12.5px;font-weight:500;color:var(--muted);border:1px solid var(--line2);border-radius:999px;padding:11px 14px;min-height:44px;transition:.2s}
.chip:hover{color:var(--p2);border-color:var(--p);background:rgba(168,85,247,.1)}
.hero-stats{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:48px auto 0;max-width:860px}
.hero-stats li{background:var(--card);border:1px solid var(--line2);border-radius:var(--r2);padding:16px 10px;display:flex;flex-direction:column;align-items:center;gap:2px}
.hero-stats b,.hero-stats span{display:block;width:100%}
.hero-stats b{font-size:26px;font-weight:800;letter-spacing:-.5px;color:#fff}
.hero-stats span{font-size:12.5px;color:var(--muted);text-align:center}

/* ticker */
.ticker{overflow:hidden;border-top:1px solid var(--line2);border-bottom:1px solid var(--line2);background:rgba(168,85,247,.05);padding:11px 0;mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);-webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.ticker-track{display:flex;gap:40px;width:max-content;animation:tick 70s linear infinite;will-change:transform}
.ticker-track span{font-family:var(--mono);font-size:13px;color:var(--muted);white-space:nowrap}
.ticker-track span b{color:var(--p2);font-weight:700}
@keyframes tick{from{transform:translateX(0)}to{transform:translateX(-50%)}}
/* intentionally NOT disabled under prefers-reduced-motion: owner requirement */

/* sections */
.section{padding:88px 0}
.section-alt{background:linear-gradient(180deg,transparent,rgba(168,85,247,.04) 30%,rgba(168,85,247,.04) 70%,transparent)}
.sec-head{text-align:center;max-width:720px;margin:0 auto 44px}
h2{font-size:clamp(28px,4vw,42px);font-weight:800;letter-spacing:-1px;line-height:1.1;margin-bottom:14px}
.sub{color:var(--muted);font-size:16.5px}

/* tool */
.tool{background:linear-gradient(180deg,rgba(255,255,255,.04),rgba(255,255,255,.015));border:1px solid var(--line);border-radius:22px;padding:22px;box-shadow:0 30px 80px -40px rgba(124,58,237,.5)}
.tool-bar{display:flex;gap:10px}
.tool-input{flex:1;display:flex;align-items:center;gap:10px;background:var(--bg);border:1px solid var(--line2);border-radius:12px;padding:0 10px 0 14px;transition:.2s}
.tool-input:focus-within{border-color:var(--p);box-shadow:0 0 0 4px rgba(168,85,247,.14)}
.tool-input>span{color:var(--p2);font-size:18px}
.tool-input input{flex:1;background:none;border:0;outline:0;color:var(--txt);font:500 15.5px var(--font);height:48px;min-width:0}
.tool-input input::placeholder{color:var(--dim)}
.tool-input .clear{color:var(--dim);padding:8px;border-radius:8px}
.tool-input .clear:hover{color:var(--txt);background:rgba(255,255,255,.06)}
.filters{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:14px}
.filter-group{display:inline-flex;background:var(--bg);border:1px solid var(--line2);border-radius:10px;padding:3px}
.fbtn{padding:11px 13px;min-height:42px;border-radius:8px;font-size:13.5px;font-weight:600;color:var(--muted);transition:.15s}
.fbtn.active{background:linear-gradient(135deg,var(--p2),var(--p3));color:#fff}
.select-wrap select{appearance:none;-webkit-appearance:none;background:var(--bg) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%23c084fc' stroke-width='1.6'/%3E%3C/svg%3E") no-repeat right 12px center;border:1px solid var(--line2);color:var(--txt);border-radius:10px;padding:10px 34px 10px 12px;font:600 13.5px var(--font);outline:0}
.select-wrap select:focus{border-color:var(--p)}
.toggle{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;font-weight:600;color:var(--muted);cursor:pointer;margin-left:auto}
.toggle input{accent-color:var(--p);width:16px;height:16px}

.results{margin-top:18px;min-height:220px}
.empty{text-align:center;padding:44px 20px;border:1px dashed var(--line);border-radius:16px}
.empty-art{display:flex;justify-content:center;margin-bottom:14px}
.empty h3{font-size:18px;margin-bottom:8px}
.empty p{color:var(--muted);max-width:560px;margin:0 auto;font-size:14.5px}

.code-card{background:linear-gradient(135deg,rgba(168,85,247,.14),rgba(124,58,237,.04));border:1px solid var(--line);border-radius:18px;padding:22px;margin-bottom:16px;position:relative;overflow:hidden}
.code-card::before{content:"";position:absolute;inset:0 auto 0 0;width:4px;background:linear-gradient(180deg,var(--p2),var(--p3))}
.code-top{display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px;margin-bottom:10px}
.code-id{font-family:var(--mono);font-size:26px;font-weight:700;color:#fff;letter-spacing:.5px}
.tag{font-size:12px;font-weight:700;letter-spacing:.8px;text-transform:uppercase;border-radius:999px;padding:4px 10px;border:1px solid var(--line2);color:var(--muted)}
.tag.conf-high{color:var(--ok);border-color:rgba(52,211,153,.4);background:rgba(52,211,153,.08)}
.tag.conf-med{color:var(--warn);border-color:rgba(251,191,36,.4);background:rgba(251,191,36,.08)}
.tag.conf-low{color:var(--muted)}
.tag.byproduct{color:var(--bad);border-color:rgba(248,113,113,.4);background:rgba(248,113,113,.08)}
.code-meaning{font-size:17px;color:#fff;font-weight:500;margin-bottom:14px}
.faults{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:10px;margin-bottom:6px}
.fault{background:rgba(7,5,13,.6);border:1px solid var(--line2);border-radius:12px;padding:12px 14px}
.fault .bar{height:4px;background:rgba(255,255,255,.08);border-radius:4px;margin:8px 0 6px;overflow:hidden}
.fault .bar i{display:block;height:100%;background:linear-gradient(90deg,var(--p2),var(--p3))}
.fault b{font-size:14px;color:#fff}
.fault span{font-size:12px;color:var(--muted)}
.code-tip{font-size:13.5px;color:var(--muted);margin-top:10px;padding-top:10px;border-top:1px solid var(--line2)}
.code-tip b{color:var(--p2)}

.res-head{display:flex;align-items:baseline;justify-content:space-between;gap:10px;margin:18px 0 10px}
.res-head h3{font-size:16px;font-weight:700}
.res-head span{font-size:13px;color:var(--dim)}
.case{background:var(--card);border:1px solid var(--line2);border-radius:14px;margin-bottom:10px;transition:border-color .2s}
.case:hover{border-color:var(--line)}
.case summary{list-style:none;display:grid;grid-template-columns:auto 1fr auto;gap:12px;align-items:center;padding:14px 16px;cursor:pointer}
.case summary::-webkit-details-marker{display:none}
.status{font-size:12px;font-weight:800;letter-spacing:.6px;text-transform:uppercase;padding:5px 9px;border-radius:8px;white-space:nowrap}
.st-fixed{background:rgba(52,211,153,.14);color:var(--ok)}
.st-diag{background:rgba(168,85,247,.16);color:var(--p2)}
.st-open{background:rgba(251,191,36,.12);color:var(--warn)}
.st-nofix{background:rgba(248,113,113,.14);color:var(--bad)}
.st-ref{background:rgba(255,255,255,.07);color:var(--muted)}
.case-title{font-size:14.5px;font-weight:600;color:#fff;line-height:1.35}
.case-meta{display:flex;flex-wrap:wrap;gap:6px;margin-top:5px}
.case-meta span{font-size:12.5px;color:var(--muted);background:rgba(255,255,255,.04);border-radius:6px;padding:2px 7px}
.case-meta .mono{font-family:var(--mono);color:var(--p2)}
.chev{color:var(--dim);transition:transform .2s;font-size:14px}
.case[open] .chev{transform:rotate(180deg)}
.case-body{padding:0 16px 16px;display:grid;gap:12px;border-top:1px solid var(--line2);padding-top:14px}
.kv{display:grid;grid-template-columns:110px 1fr;gap:10px;font-size:14px}
.kv b{color:var(--p2);font-size:12px;text-transform:uppercase;letter-spacing:.8px;padding-top:2px}
.kv p{color:var(--txt)}
.kv.fix p{color:#fff}
.more{display:block;margin:10px auto 0;color:var(--p2);font-weight:600;font-size:14px;padding:10px 18px;border:1px solid var(--line);border-radius:10px}
.more:hover{background:rgba(168,85,247,.1)}
.nores{padding:36px;text-align:center;color:var(--muted);border:1px dashed var(--line);border-radius:16px}
.nores b{color:#fff}

.trust-row{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:26px}
.trust{background:var(--card);border:1px solid var(--line2);border-radius:14px;padding:18px}
.trust b{display:block;color:#fff;margin-bottom:4px}
.trust span{font-size:14px;color:var(--muted)}

/* uart */
.uart-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:start}
.steps{list-style:none;counter-reset:s;margin:26px 0 18px;display:grid;gap:14px}
.steps li{counter-increment:s;display:grid;grid-template-columns:38px 1fr;gap:14px;align-items:start}
.steps li::before{content:counter(s);width:38px;height:38px;border-radius:11px;display:grid;place-items:center;font-weight:800;color:#fff;background:linear-gradient(135deg,var(--p2),var(--p3));box-shadow:0 8px 20px -8px var(--glow)}
.steps b{display:block;color:#fff;margin-bottom:2px}
.steps li>div{min-width:0}
.steps span{color:var(--muted);font-size:14.5px}
.note{font-size:13.5px;color:var(--dim);border-left:2px solid var(--p);padding-left:12px}
.uart-panel{background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.02));border:1px solid var(--line);border-radius:20px;padding:18px;box-shadow:0 30px 80px -40px rgba(124,58,237,.6);position:sticky;top:86px}
.uart-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}
.uart-title{font-weight:700}
.uart-status{display:inline-flex;align-items:center;gap:7px;font-size:12.5px;color:var(--muted);font-weight:600}
.uart-status i{width:8px;height:8px;border-radius:50%;background:var(--dim)}
.uart-status.on{color:var(--ok)}.uart-status.on i{background:var(--ok);box-shadow:0 0 10px var(--ok)}
.uart-status.busy{color:var(--warn)}.uart-status.busy i{background:var(--warn)}
.uart-actions{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}
.uart-actions .btn{flex:1;padding:11px 10px;font-size:14px}
.uart-console{font-family:var(--mono);font-size:12.5px;line-height:1.6;background:#040308;border:1px solid var(--line2);border-radius:12px;padding:14px;min-height:150px;max-height:230px;overflow:auto;color:#b9b0d6;white-space:pre-wrap;word-break:break-all}
.uart-console .ok{color:var(--ok)}.uart-console .err{color:var(--bad)}.uart-console .hl{color:var(--p2);font-weight:700}
.paste{margin-top:12px;border:1px solid var(--line2);border-radius:12px;padding:10px 12px}
.paste summary{cursor:pointer;font-weight:600;font-size:14px;color:var(--p2);padding:11px 0;min-height:44px;display:flex;align-items:center}
.paste textarea{width:100%;margin:10px 0;background:var(--bg);border:1px solid var(--line2);border-radius:10px;color:var(--txt);font:12.5px/1.5 var(--mono);padding:10px;resize:vertical;outline:0}
.paste textarea:focus{border-color:var(--p)}
.uart-results{margin-top:12px;display:grid;gap:8px}
.ucode{display:grid;grid-template-columns:auto 1fr;gap:12px;align-items:start;background:rgba(7,5,13,.6);border:1px solid var(--line2);border-radius:12px;padding:12px 14px}
.ucode .c{font-family:var(--mono);font-weight:700;color:#fff;font-size:15px}
.ucode .m{font-size:13.5px;color:var(--txt)}
.ucode .m small{display:block;color:var(--dim);margin-top:3px;font-size:12px}
.ucode.unknown .c{color:var(--warn)}

/* boards & playbook */
.board-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:16px}
.board{background:var(--card);border:1px solid var(--line2);border-radius:16px;padding:20px;transition:.2s;position:relative;overflow:hidden}
.board:hover{border-color:var(--line);transform:translateY(-2px)}
.board h3{font-family:var(--mono);font-size:19px;color:var(--p2);margin-bottom:2px}
.board .bc{font-size:13px;color:var(--muted);margin-bottom:10px}
.board .bc b{color:var(--txt);font-weight:600}
.board p{font-size:14px;color:var(--txt)}
.board .bn{margin-top:12px;font-size:12.5px;color:var(--dim)}
.play-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:14px}
.play{background:var(--card);border:1px solid var(--line2);border-radius:14px;padding:18px;display:grid;grid-template-columns:34px 1fr;gap:12px}
.play .ic{width:34px;height:34px;border-radius:10px;background:rgba(168,85,247,.14);display:grid;place-items:center;color:var(--p2);font-weight:800}
.play b{display:block;color:#fff;margin-bottom:4px}
.play p{font-size:14px;color:var(--muted)}

/* pricing */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;align-items:stretch}
.price{background:var(--card);border:1px solid var(--line2);border-radius:20px;padding:28px 24px;display:flex;flex-direction:column;position:relative}
.price.featured{background:linear-gradient(180deg,rgba(168,85,247,.18),rgba(124,58,237,.05));border-color:var(--p);box-shadow:0 30px 80px -40px var(--glow)}
.badge{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:linear-gradient(135deg,var(--p2),var(--p3));color:#fff;font-size:12px;font-weight:800;letter-spacing:.8px;text-transform:uppercase;padding:6px 12px;border-radius:999px}
.price h3{font-size:18px;margin-bottom:6px}
.amount{font-size:44px;font-weight:800;letter-spacing:-1.5px;color:#fff;margin-bottom:18px}
.amount span{font-size:22px;vertical-align:top;color:var(--p2)}
.amount small{font-size:15px;font-weight:500;color:var(--muted);letter-spacing:0}
.price ul{list-style:none;display:grid;gap:10px;margin-bottom:24px;flex:1}
.price li{font-size:14.5px;color:var(--txt);padding-left:24px;position:relative}
.price li::before{content:"✓";position:absolute;left:0;color:var(--p2);font-weight:800}
.fine{text-align:center;color:var(--dim);font-size:13px;margin-top:18px}

/* faq */
.faq{border:1px solid var(--line2);border-radius:14px;background:var(--card);margin-bottom:10px;padding:0 18px}
.faq summary{cursor:pointer;list-style:none;padding:16px 0;font-weight:600;display:flex;justify-content:space-between;gap:12px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--p2);font-weight:800;font-size:20px;line-height:1}
.faq[open] summary::after{content:"–"}
.faq p{color:var(--muted);padding-bottom:16px;font-size:15px}

/* cta + footer */
.cta{padding:60px 0 90px;text-align:center}
.cta .wrap{background:linear-gradient(135deg,rgba(168,85,247,.22),rgba(124,58,237,.08));border:1px solid var(--line);border-radius:26px;padding:56px 28px}
.cta p{color:var(--muted);margin:10px 0 26px;font-size:16px}
.foot{border-top:1px solid var(--line2);padding:36px 0 44px}
.foot-inner{display:grid;grid-template-columns:1fr auto;gap:20px}
.foot p{color:var(--muted);font-size:14px;margin-top:6px}
.foot-links{display:flex;gap:18px;flex-wrap:wrap}
.foot-links a{color:var(--muted);font-size:14px}
.foot-links a:hover{color:var(--p2)}
.copy{grid-column:1/-1;font-size:12.5px;color:var(--dim)!important}

/* responsive */
@media (max-width:980px){
  .nav-links,.nav-cta{display:none}
  .nav-burger{display:flex}
  .uart-grid{grid-template-columns:1fr;gap:30px}
  .uart-panel{position:static}
  .trust-row,.price-grid{grid-template-columns:1fr}
  .price.featured{order:-1}
  .section{padding:64px 0}
}
@media (max-width:640px){
  .wrap{width:calc(100% - 32px)}
  .hero{padding:60px 0 40px}
  h1{letter-spacing:-1.2px}
  .hero-search{flex-direction:column;align-items:stretch;padding:10px;gap:10px}
  .hs-icon{display:none}
  .hero-search input{height:44px;padding-left:4px}
  .hero-search input::placeholder{font-size:14px}
  .hero-search .btn{width:100%}
  .hero-stats{grid-template-columns:1fr 1fr;gap:10px}
  .tool{padding:14px}
  .tool-bar{flex-direction:column}
  .filters{gap:10px}
  .filter-group{width:100%;justify-content:space-between}
  .fbtn{flex:1;padding:11px 4px;font-size:12px;white-space:nowrap}
  .select-wrap,.select-wrap select{width:100%}
  .toggle{margin-left:0}
  .code-card{padding:16px}
  .code-id{font-size:21px}
  .case summary{grid-template-columns:1fr auto;gap:8px}
  .case summary .status{grid-row:2;justify-self:start}
  .kv{grid-template-columns:1fr;gap:4px}
  .uart-actions .btn{flex:1 1 100%}
  .foot-inner{grid-template-columns:1fr}
  .cta .wrap{padding:40px 20px}
}

/* join */
.join-card{background:linear-gradient(135deg,rgba(168,85,247,.16),rgba(124,58,237,.05));border:1px solid var(--line);border-radius:22px;padding:40px 32px;text-align:center}
.join-card h2{font-size:clamp(24px,3.4vw,34px)}
.join-form{display:grid;grid-template-columns:1fr auto auto;gap:10px;margin:24px auto 0;max-width:680px}
.join-form input,.join-form select{background:var(--bg);border:1px solid var(--line2);border-radius:12px;color:var(--txt);font:500 15px var(--font);padding:0 14px;height:46px;outline:0;min-width:0}
.join-form select{appearance:none;-webkit-appearance:none;padding-right:34px;background:var(--bg) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%23c084fc' stroke-width='1.6'/%3E%3C/svg%3E") no-repeat right 12px center}
.join-form input:focus,.join-form select:focus{border-color:var(--p)}
.join-form .btn{height:46px}
@media (max-width:640px){.join-form{grid-template-columns:1fr}.join-card{padding:28px 18px}}