*{margin:0;padding:0;box-sizing:border-box}
:root{
 --bg:#F7F9FC;--bg2:#EEF3FB;--ink:#0E1B33;--ink2:#43526E;--mut:#7C8AA5;
 --line:#E1E8F3;--card:#FFFFFF;--brand:#1E52E8;--brand2:#3B82F6;--brand-ink:#0B2FA8;
 --ok:#0E9F6E;--warn:#D97706;--err:#E11D48;--radius:16px;
 --shadow:0 1px 2px rgba(16,27,51,.04),0 8px 28px rgba(16,27,51,.06);
 --shadow-lg:0 20px 60px rgba(16,27,51,.12);
 --mono:'JetBrains Mono',ui-monospace,Menlo,Consolas,monospace;
 --disp:'Space Grotesk',system-ui,sans-serif;--body:'Inter',system-ui,sans-serif;
}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--ink);font-family:var(--body);line-height:1.6;overflow-x:hidden;-webkit-font-smoothing:antialiased}
.wrap{max-width:1180px;margin:0 auto;padding:0 22px}
a{color:var(--brand-ink);text-decoration:none}
h1,h2,h3,h4{font-family:var(--disp);line-height:1.1;letter-spacing:-.02em;color:var(--ink)}
.grad{background:linear-gradient(100deg,var(--theme),var(--brand2));-webkit-background-clip:text;background-clip:text;color:transparent}

/* ambient aurora + grid */
.aurora{position:fixed;inset:0;z-index:-2;overflow:hidden;pointer-events:none}
.blob{position:absolute;border-radius:50%;filter:blur(70px);opacity:.42;animation:drift 22s ease-in-out infinite}
.b1{width:520px;height:520px;background:radial-gradient(circle,var(--theme),transparent 68%);top:-160px;left:-120px}
.b2{width:460px;height:460px;background:radial-gradient(circle,#7C4DFF,transparent 68%);top:-80px;right:-120px;animation-delay:-7s}
.b3{width:420px;height:420px;background:radial-gradient(circle,var(--brand2),transparent 68%);top:220px;left:38%;animation-delay:-13s}
@keyframes drift{0%,100%{transform:translate(0,0) scale(1)}33%{transform:translate(40px,30px) scale(1.08)}66%{transform:translate(-30px,20px) scale(.95)}}
.grid-overlay{position:fixed;inset:0;z-index:-1;pointer-events:none;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:48px 48px;opacity:.35;mask-image:radial-gradient(ellipse 80% 55% at 50% 0%,#000 20%,transparent 75%)}
@media (prefers-reduced-motion:reduce){.blob{animation:none}*{scroll-behavior:auto}}

/* nav */
.nav{position:sticky;top:0;z-index:50;backdrop-filter:blur(12px);background:rgba(247,249,252,.82);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;gap:14px;height:66px}
.brand{display:flex;align-items:center;gap:12px}
.brand img{height:40px;width:auto;display:block}
.brand span{display:flex;flex-direction:column;font-family:var(--disp);font-weight:700;font-size:17px;color:var(--ink);letter-spacing:-.01em}
.brand small{font-family:var(--body);font-weight:500;font-size:11px;color:var(--mut);letter-spacing:.02em}
.nav-spacer{flex:1}
.nav-link{color:var(--ink2);font-weight:500;font-size:14.5px;padding:8px 10px;border-radius:9px}
.nav-link:hover{color:var(--brand-ink);background:var(--bg2)}
.nav-cta{font-family:var(--body);font-weight:600;font-size:14px;color:#fff;background:linear-gradient(100deg,var(--theme),var(--brand2));border:0;padding:10px 16px;border-radius:10px;cursor:pointer;box-shadow:var(--shadow)}
.nav-cta:hover{filter:brightness(1.05)}
@media(max-width:720px){.hide-sm{display:none}}

/* hero */
.hero{padding:74px 0 34px;text-align:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:12.5px;font-weight:500;color:var(--brand-ink);background:var(--card);border:1px solid var(--line);padding:7px 14px;border-radius:999px;box-shadow:var(--shadow);margin-bottom:22px}
.eyebrow .dot{width:8px;height:8px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 3px rgba(14,159,110,.18)}
.hero h1{font-size:clamp(2.1rem,5.2vw,3.7rem);font-weight:700;margin-bottom:16px}
.hero .sub{max-width:660px;margin:0 auto 22px;font-size:clamp(1rem,2.2vw,1.18rem);color:var(--ink2)}
.trust{display:flex;flex-wrap:wrap;gap:10px 22px;justify-content:center;font-size:13.5px;color:var(--mut);font-weight:500}
.trust b{color:var(--ink);font-weight:600}
.marquee{margin:26px auto 0;max-width:760px;font-family:var(--mono);font-size:12.5px;color:var(--mut);background:#0E1B33;border-radius:12px;padding:12px 16px;text-align:left;overflow:hidden;white-space:nowrap;box-shadow:var(--shadow-lg);color:#7Fe0c0}
.marquee .caret{color:#7Fe0c0}

/* tiles */
#tools{padding:20px 0 8px}
.section-head{text-align:center;margin-bottom:26px}
.section-head h2{font-size:clamp(1.5rem,3.4vw,2.1rem);margin-bottom:8px}
.section-head p{color:var(--ink2);max-width:560px;margin:0 auto}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(232px,1fr));gap:16px}
.tile{position:relative;text-align:left;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px;cursor:pointer;transition:transform .18s,box-shadow .18s,border-color .18s;box-shadow:var(--shadow);overflow:hidden}
.tile:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--acc)}
.tile:focus-visible{outline:3px solid var(--acc);outline-offset:2px}
.tile::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--acc);opacity:.9}
.tile .tico{width:42px;height:42px;border-radius:11px;display:grid;place-items:center;font-family:var(--mono);font-weight:700;font-size:15px;color:#fff;background:var(--acc);margin-bottom:13px;box-shadow:0 6px 16px color-mix(in srgb,var(--acc) 34%,transparent)}
.tile h3{font-size:16.5px;margin-bottom:5px}
.tile p{font-size:13.2px;color:var(--ink2);line-height:1.5}
.tile .go{margin-top:12px;font-size:12.5px;font-weight:600;color:var(--acc);display:inline-flex;align-items:center;gap:5px}

/* workspace panels */
.workspace{padding:26px 0 10px}
.ws-panel{display:none;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-lg);overflow:hidden}
.ws-panel.on{display:block;animation:rise .3s ease}
@keyframes rise{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.ws-head{display:flex;align-items:center;gap:13px;padding:17px 20px;border-bottom:1px solid var(--line);background:linear-gradient(180deg,var(--bg2),transparent)}
.ws-head .tico{width:38px;height:38px;margin:0;border-radius:10px}
.ws-head h3{font-size:17px}.ws-head p{font-size:12.8px;color:var(--mut);margin-top:1px}
.ws-close{margin-left:auto;background:var(--bg2);border:1px solid var(--line);color:var(--ink2);width:34px;height:34px;border-radius:9px;cursor:pointer;font-size:17px;line-height:1}
.ws-close:hover{background:#fff;color:var(--err)}
.ws-share{margin-left:auto;background:var(--bg2);border:1px solid var(--line);width:34px;height:34px;border-radius:9px;cursor:pointer;font-size:14px;line-height:1;transition:.15s}
.ws-share:hover{background:#fff;border-color:var(--theme);transform:translateY(-1px)}
.ws-head .ws-share+.ws-close{margin-left:8px}
.ws-body{padding:20px}
.tool-hint{font-size:13px;color:var(--mut);margin-bottom:14px}

/* form controls */
label.fld{display:block;font-size:12.5px;font-weight:600;color:var(--ink2);margin:0 0 6px}
textarea,input.light,select.light{width:100%;font-family:var(--mono);font-size:13.5px;background:#fff;color:var(--ink);border:1.5px solid var(--line);border-radius:10px;padding:11px 13px;resize:vertical;transition:border-color .15s}
textarea:focus,input.light:focus,select.light:focus{outline:none;border-color:var(--acc)}
textarea{min-height:120px;line-height:1.5}
.row{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:12px}
.col{flex:1;min-width:220px}
.btn{font-family:var(--body);font-weight:600;font-size:13.5px;padding:10px 16px;border-radius:10px;border:1.5px solid var(--line);background:#fff;color:var(--ink);cursor:pointer;transition:.15s;display:inline-flex;align-items:center;gap:7px}
.btn:hover{border-color:var(--acc);color:var(--acc)}
.btn-primary{background:var(--acc);color:#fff;border-color:var(--acc)}
.btn-primary:hover{filter:brightness(1.07);color:#fff}
.chk{display:inline-flex;align-items:center;gap:7px;font-size:13px;color:var(--ink2);cursor:pointer;user-select:none}
.status{font-size:12.5px;font-weight:600;margin:10px 0;min-height:18px}
.status.ok{color:var(--ok)}.status.err{color:var(--err)}.status.warn{color:var(--warn)}
.out-box{font-family:var(--mono);font-size:13px;background:#0E1B33;color:#D7E3FF;border-radius:11px;padding:15px;white-space:pre-wrap;word-break:break-word;overflow:auto;max-height:440px;line-height:1.55}
.out-box b{color:#7FE0C0;font-weight:600}
.kv{display:grid;grid-template-columns:auto 1fr;gap:6px 16px;font-family:var(--mono);font-size:13px;background:#0E1B33;color:#D7E3FF;border-radius:11px;padding:15px}
.kv b{color:#9Fb4ff;font-weight:600;white-space:nowrap}
.pill{display:inline-block;font-family:var(--mono);font-size:11.5px;padding:3px 9px;border-radius:999px;background:var(--bg2);color:var(--brand-ink);border:1px solid var(--line);margin:2px 3px 2px 0}
table.grid-t{width:100%;border-collapse:collapse;font-size:13px}
table.grid-t th,table.grid-t td{border:1px solid var(--line);padding:8px 10px;text-align:left}
table.grid-t th{background:var(--bg2);font-family:var(--disp)}
canvas.plot{max-width:100%;background:#fff;border:1px solid var(--line);border-radius:10px}
.copy-btn{margin-left:auto}
.slider-row{display:flex;align-items:center;gap:12px;margin-bottom:8px}
.slider-row input[type=range]{flex:1;accent-color:var(--acc)}
.slider-row span{font-family:var(--mono);font-size:12.5px;color:var(--ink2);min-width:60px;text-align:right}

/* freelance band */
#freelance{padding:44px 0}
.freelance{position:relative;border-radius:24px;padding:44px;color:#fff;overflow:hidden;background:linear-gradient(120deg,#0B2FA8,#1E52E8 46%,#3B82F6);box-shadow:var(--shadow-lg)}
.freelance::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 85% 20%,rgba(255,255,255,.22),transparent 45%),radial-gradient(circle at 10% 90%,rgba(124,77,255,.4),transparent 45%);pointer-events:none}
.fl-badge{position:relative;display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:12.5px;font-weight:500;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.28);padding:7px 14px;border-radius:999px;margin-bottom:18px}
.freelance h2{position:relative;color:#fff;font-size:clamp(1.6rem,3.6vw,2.4rem);max-width:640px;margin-bottom:12px}
.freelance p{position:relative;color:rgba(255,255,255,.9);max-width:620px;margin-bottom:14px}
.fl-stats{position:relative;display:flex;flex-wrap:wrap;gap:14px 34px;margin:20px 0 24px}
.fl-stats div{display:flex;flex-direction:column}
.fl-stats b{font-family:var(--disp);font-size:1.7rem;line-height:1}
.fl-stats small{font-size:12.5px;color:rgba(255,255,255,.82);margin-top:3px}
.fl-cta{position:relative;display:flex;flex-wrap:wrap;gap:12px}
.fl-btn{display:inline-flex;align-items:center;gap:9px;font-weight:600;font-size:14.5px;padding:12px 20px;border-radius:12px;transition:.15s}
.fl-wa{background:#25D366;color:#062b14}
.fl-wa:hover{filter:brightness(1.06)}
.fl-li{background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.3)}
.fl-li:hover{background:rgba(255,255,255,.24)}

/* footer */
footer{border-top:1px solid var(--line);background:var(--card);padding:40px 0 30px;margin-top:20px}
.foot{display:grid;grid-template-columns:1.6fr 1fr 1.2fr;gap:26px}
.foot h4{font-size:14px;margin-bottom:12px;color:var(--ink)}
.foot ul{list-style:none}.foot li{margin-bottom:8px}
.foot a,.foot li{font-size:13.5px;color:var(--ink2)}
.foot a:hover{color:var(--brand-ink)}
.foot .fbrand{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.foot .fbrand img{height:34px}
.foot .fbrand b{font-family:var(--disp);font-size:16px}
.legal{margin-top:26px;padding-top:18px;border-top:1px solid var(--line);font-size:12.5px;color:var(--mut);text-align:center}
@media(max-width:720px){.foot{grid-template-columns:1fr}.freelance{padding:30px 22px}}

/* toast */
.toast{position:fixed;left:50%;bottom:26px;transform:translate(-50%,140%);display:flex;align-items:center;gap:9px;background:#0E1B33;color:#fff;padding:12px 18px;border-radius:12px;box-shadow:var(--shadow-lg);z-index:99;transition:transform .3s cubic-bezier(.2,.9,.3,1.3);font-size:14px;font-weight:500}
.toast.show{transform:translate(-50%,0)}
.toast svg{width:18px;height:18px;color:#7FE0C0}

:root{--theme:#1E52E8}