@import url("fonts.css");
:root{--ink-0:#0b1117;--ink-1:#111a22;--ink-2:#17222c;--ink-3:#1e2c38;--line:#27394a;--paper:#e8edf1;--muted:#8fa2b3;--mud:#e8a33d;--mud-d:#b97c1e;--water:#4fc3d9;--steel:#9fb4c7;--kick:#e5533d;--ok:#6fcf97;--sand:#c9a36b;--shale:#5f7587;--lime:#d8d2c0;
  --f-head:"Barlow Semi Condensed","Arial Narrow",system-ui,sans-serif;--f-body:"Barlow",system-ui,-apple-system,sans-serif}
*{box-sizing:border-box;scrollbar-width:thin;scrollbar-color:var(--line) transparent}
html,body{height:100%;margin:0}
body{font:15px/1.5 var(--f-body);color:var(--paper);background:linear-gradient(rgba(79,195,217,.035) 1px,transparent 1px) 0 0/100% 48px,linear-gradient(90deg,rgba(79,195,217,.035) 1px,transparent 1px) 0 0/48px 100%,var(--ink-0);display:flex;color-scheme:dark}
::selection{background:var(--mud);color:var(--ink-0)}
button{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--water);outline-offset:2px}

/* rail */
nav{width:272px;flex:none;background:var(--ink-1);border-right:1px solid var(--line);display:flex;flex-direction:column;overflow:auto;position:relative}
nav::after{content:"";position:absolute;top:0;bottom:0;right:0;width:12px;pointer-events:none;opacity:.5;background:repeating-linear-gradient(180deg,var(--shale) 0 1px,transparent 1px 12px) right/6px 100% no-repeat,repeating-linear-gradient(180deg,var(--steel) 0 1px,transparent 1px 60px) right/12px 100% no-repeat}
.brand{display:flex;align-items:center;gap:10px;padding:18px 18px 14px;cursor:pointer;background:none;border:0;text-align:left}
.brand svg{width:34px;height:34px;flex:none}
.brand b{font-family:var(--f-head);font-size:1.35rem;font-weight:700;line-height:1.05;display:block}
.brand span{font-size:.78rem;color:var(--muted)}
.t{display:flex;align-items:center;gap:12px;width:100%;text-align:left;background:none;border:0;border-left:3px solid transparent;padding:10px 18px 10px 16px;color:var(--muted);cursor:pointer;transition:color .15s,background .15s,padding-left .2s}
.t svg{width:26px;height:26px;flex:none;color:var(--steel);transition:color .2s}
.t b{display:block;font-family:var(--f-head);font-weight:600;font-size:1.02rem;color:var(--paper);line-height:1.15}
.t span{font-size:.78rem;line-height:1.25;display:block}
.t:hover{background:var(--ink-2);padding-left:22px}.t:hover svg{color:var(--mud)}
.t.on{border-left-color:var(--mud);background:linear-gradient(90deg,rgba(232,163,61,.16),transparent)}.t.on svg{color:var(--mud)}
.grp{font-family:var(--f-head);font-weight:600;font-size:.9rem;color:var(--paper);padding:14px 18px 4px;display:flex;align-items:center;gap:8px}
.grp::before{content:"";width:9px;height:9px;border-radius:2px;background:var(--sand)}.grp.g2::before{background:var(--shale)}.grp.g3::before{background:var(--water)}.grp.g4::before{background:var(--mud)}

/* stage */
main{flex:1;min-width:0;display:flex;flex-direction:column}
.bar{display:none;align-items:center;gap:12px;padding:8px 14px;border-bottom:1px solid var(--line);background:var(--ink-1)}
body.tool .bar{display:flex}
.bar b{flex:1;font-family:var(--f-head);font-weight:600;font-size:1.05rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.bar button,.bar a{background:var(--ink-0);border:1px solid var(--line);border-radius:8px;padding:5px 12px;color:var(--paper);text-decoration:none;font-size:.85rem;cursor:pointer;transition:border-color .2s}
.bar button:hover,.bar a:hover{border-color:var(--mud)}
iframe{display:none;flex:1;border:0;width:100%;background:var(--ink-0)}
body.tool iframe{display:block;animation:in .35s ease both}
#home{flex:1;overflow:auto}
body.tool #home{display:none}
@keyframes in{from{opacity:0}to{opacity:1}}

/* hero */
.hero{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(280px,.95fr);gap:24px;align-items:center;max-width:1180px;margin:0 auto;padding:44px 32px 8px}
.hero h1{font-family:var(--f-head);font-weight:700;font-size:clamp(2.4rem,5.2vw,4.2rem);line-height:.98;letter-spacing:-.01em;margin:0 0 16px}
.hero p{color:var(--steel);font-size:1.12rem;max-width:30em;margin:0 0 22px}
.cta{display:inline-flex;gap:10px;align-items:center;background:linear-gradient(180deg,var(--mud),var(--mud-d));color:var(--ink-0);border:0;border-radius:10px;padding:11px 20px;font-family:var(--f-head);font-weight:700;font-size:1.1rem;cursor:pointer;box-shadow:0 6px 22px rgba(232,163,61,.3);transition:transform .12s,filter .2s}
.cta:hover{filter:brightness(1.1)}.cta:active{transform:scale(.97)}
.facts{display:flex;gap:26px;margin-top:26px;flex-wrap:wrap}
.facts div b{display:block;font-family:var(--f-head);font-size:1.9rem;font-weight:700;line-height:1}
.facts div span{font-size:.82rem;color:var(--muted)}
.strip{border:1px solid var(--line);border-radius:18px;background:var(--ink-1);overflow:hidden;position:relative;box-shadow:0 24px 60px rgba(0,0,0,.45)}
.strip svg{display:block;width:100%;height:auto;max-height:82vh}
.strip svg text{font-family:var(--f-body);fill:var(--muted);font-size:9.5px}
.depth{position:absolute;right:14px;bottom:12px;background:rgba(11,17,23,.82);border:1px solid var(--line);border-radius:10px;padding:6px 12px;backdrop-filter:blur(4px)}
.depth b{font-family:var(--f-head);font-size:1.7rem;font-weight:700;font-variant-numeric:tabular-nums;color:var(--mud);display:block;line-height:1}
.depth span{font-size:.72rem;color:var(--muted)}
.beacon{animation:beacon 1.4s steps(2) infinite}
@keyframes beacon{50%{opacity:.15}}
.mud{animation:up 1.8s linear infinite}
@keyframes up{from{transform:translateY(0);opacity:.9}to{transform:translateY(-46px);opacity:0}}

/* tool cards */
.tools{max-width:1180px;margin:0 auto;padding:30px 32px 56px}
.tools h2{font-family:var(--f-head);font-weight:700;font-size:1.7rem;margin:0 0 14px}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:14px}
.c{display:flex;flex-direction:column;gap:6px;text-align:left;background:linear-gradient(180deg,var(--ink-2),var(--ink-1));border:1px solid var(--line);border-radius:16px;padding:18px;cursor:pointer;position:relative;overflow:hidden;transition:transform .25s,border-color .25s,box-shadow .25s}
.c::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--sand)}
.c:nth-child(4n+2)::before{background:var(--shale)}.c:nth-child(4n+3)::before{background:var(--lime)}.c:nth-child(4n+4)::before{background:var(--water)}
.c:hover{transform:translateY(-4px);border-color:#3a5368;box-shadow:0 18px 40px rgba(0,0,0,.45)}
.c svg{width:54px;height:54px;color:var(--mud);margin-bottom:4px}
.c b{font-family:var(--f-head);font-size:1.25rem;font-weight:600;line-height:1.1}
.c span{color:var(--steel);font-size:.9rem}
.c i{margin-top:auto;padding-top:10px;font-style:normal;font-family:var(--f-head);font-weight:600;color:var(--mud);font-size:.95rem}
.c svg .a{transition:transform .5s cubic-bezier(.2,.8,.2,1);transform-box:fill-box;transform-origin:center}
.c:hover svg .a{transform:rotate(18deg) scale(1.06)}

@media(max-width:900px){#list{display:flex}body{flex-direction:column;height:auto;min-height:100%}nav{width:100%;max-height:none;flex-direction:row;overflow-x:auto;border-right:0;border-bottom:1px solid var(--line)}nav::after{display:none}.brand{flex:none}.t{width:auto;flex:none;border-left:0;border-bottom:3px solid transparent}.t span,.grp{display:none}.t.on{border-bottom-color:var(--mud)}
  .hero{grid-template-columns:1fr;padding:26px 18px 0}.tools{padding:22px 18px 40px}iframe{min-height:80vh}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.001s!important;animation-iteration-count:1!important;transition-duration:.001s!important}}