:root{
  --bg:#100C18;
  --bg-raise:#171226;
  --bg-card:#1A1530;
  --line:#2A2344;
  --flare:#0059FF;
  --flare-soft:#08B0F9;
  --flare-glow:#85E8F9;
  --down:#FF5C7A;
  --data-blue:#5B8DEF;
  --data-teal:#2DD4BF;
  --text:#E8ECF4;
  --muted:#8A93A6;
  --radius:14px;
  --display:'Space Grotesk',sans-serif;
  --body:'Inter',sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:var(--body);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{font-family:var(--display);line-height:1.15;font-weight:600}
a{color:inherit;text-decoration:none}
img{max-width:100%}
.wrap{max-width:1140px;margin:0 auto;padding:0 24px}
.eyebrow{font-family:var(--display);font-size:.78rem;letter-spacing:.18em;text-transform:uppercase;color:var(--flare-soft);display:inline-flex;align-items:center;gap:8px;margin-bottom:14px}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--flare)}
.section{padding:96px 0}
.section-head{max-width:640px;margin-bottom:56px}
.section-head h2{font-size:clamp(1.7rem,3.4vw,2.4rem);margin-bottom:14px}
.section-head p{color:var(--muted)}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:8px;font-family:var(--display);font-weight:600;font-size:.95rem;padding:13px 26px;border-radius:10px;border:1px solid transparent;cursor:pointer;transition:transform .15s ease, box-shadow .15s ease, background .15s ease}
.btn-flare{background:linear-gradient(135deg,#0059FF,#08B0F9);color:#fff;box-shadow:0 0 24px rgba(8,176,249,.35)}
.btn-flare:hover{transform:translateY(-2px);box-shadow:0 0 38px rgba(8,176,249,.55)}
.btn-ghost{border-color:var(--line);color:var(--text);background:transparent}
.btn-ghost:hover{border-color:var(--flare);color:var(--flare-soft)}
.btn:focus-visible{outline:2px solid var(--flare-soft);outline-offset:3px}

/* ---------- nav ---------- */
nav{position:sticky;top:0;z-index:50;background:rgba(10,14,26,.82);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:80px}
.logo{font-family:var(--display);font-weight:700;font-size:1.75rem;display:flex;align-items:center;gap:13px}
.logo-mark{width:44px;height:auto;flex:none}
.nav-links{display:flex;gap:32px;font-size:.92rem;color:var(--muted)}
.nav-links a:hover{color:var(--text)}
.nav-cta{padding:10px 20px;font-size:.88rem}
@media(max-width:760px){.nav-links{display:none}}

/* ---------- hero ---------- */
.hero{padding:88px 0 40px;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:auto -20% -60% -20%;height:520px;background:radial-gradient(ellipse at 50% 100%,rgba(8,176,249,.16),transparent 65%);pointer-events:none}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;position:relative}
.hero h1{font-size:clamp(2.2rem,4.6vw,3.4rem);margin-bottom:20px}
.hero h1 .flare-word{background:linear-gradient(120deg,var(--flare-soft),var(--flare-glow));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{color:var(--muted);font-size:1.08rem;max-width:44ch;margin-bottom:32px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:28px}
.hero-note{font-size:.85rem;color:var(--muted)}
.hero-note strong{color:var(--text);font-weight:600}
@media(max-width:900px){.hero-grid{grid-template-columns:1fr}.hero{padding-top:56px}}

/* ---------- dashboard mock (signature) ---------- */
.dash{background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:0 0 0 1px rgba(8,176,249,.06),0 24px 70px rgba(0,0,0,.55),0 0 90px rgba(8,176,249,.12);position:relative}
.dash-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.dash-title{font-family:var(--display);font-size:.82rem;color:var(--muted);letter-spacing:.06em}
.dash-live{font-size:.68rem;color:var(--data-teal);display:flex;align-items:center;gap:6px;font-weight:600;letter-spacing:.08em}
.dash-live::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--data-teal);box-shadow:0 0 8px var(--data-teal);animation:pulse 2s infinite}
@keyframes pulse{50%{opacity:.35}}
.kpi-row{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:12px}
.kpi{background:var(--bg-raise);border:1px solid var(--line);border-radius:10px;padding:12px 14px}
.kpi-label{font-size:.66rem;color:var(--muted);text-transform:uppercase;letter-spacing:.1em}
.kpi-value{font-family:var(--display);font-weight:700;font-size:1.25rem;margin-top:2px}
.kpi-delta{font-size:.68rem;font-weight:600}
.up{color:var(--data-teal)}.down{color:var(--down)}
.chart-row{display:grid;grid-template-columns:1.5fr 1fr;gap:10px}
.panel{background:var(--bg-raise);border:1px solid var(--line);border-radius:10px;padding:14px}
.panel h5{font-size:.7rem;color:var(--muted);font-weight:500;letter-spacing:.08em;text-transform:uppercase;margin-bottom:10px;font-family:var(--display)}
.line-chart path.stroke{fill:none;stroke:url(#flareGrad);stroke-width:2.5;stroke-linecap:round;stroke-dasharray:600;stroke-dashoffset:600;animation:draw 2.4s .3s ease forwards}
.line-chart path.fill{fill:url(#flareFill);opacity:0;animation:fade 1s 1.8s ease forwards}
.line-chart line{stroke:var(--line);stroke-width:1}
@keyframes draw{to{stroke-dashoffset:0}}
@keyframes fade{to{opacity:1}}
.bars{display:flex;align-items:flex-end;gap:9px;height:110px}
.bar{flex:1;border-radius:5px 5px 0 0;background:linear-gradient(180deg,var(--data-blue),rgba(91,141,239,.25));transform-origin:bottom;animation:grow .9s ease backwards}
.bar.hot{background:linear-gradient(180deg,var(--flare),rgba(8,176,249,.25));box-shadow:0 0 14px rgba(8,176,249,.4)}
@keyframes grow{from{transform:scaleY(0)}}
@media(prefers-reduced-motion:reduce){
  .line-chart path.stroke{animation:none;stroke-dashoffset:0}
  .line-chart path.fill{animation:none;opacity:1}
  .bar{animation:none}
  .dash-live::before{animation:none}
  html{scroll-behavior:auto}
}
@media(max-width:480px){.kpi-row{grid-template-columns:repeat(3,1fr)}.kpi-value{font-size:1rem}}

/* ---------- connectors ---------- */
.connectors{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--bg-raise);padding:34px 0}
.conn-inner{display:flex;align-items:center;gap:28px;flex-wrap:wrap;justify-content:center}
.conn-label{font-size:.78rem;color:var(--muted);letter-spacing:.14em;text-transform:uppercase;font-family:var(--display)}
.conn-item{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:.92rem;font-weight:500}
.conn-item svg{width:18px;height:18px;stroke:var(--flare-soft);fill:none;stroke-width:1.8}

/* ---------- features ---------- */
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.feat{background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius);padding:28px;transition:border-color .2s ease, transform .2s ease}
.feat:hover{border-color:rgba(8,176,249,.45);transform:translateY(-3px)}
.feat-icon{width:42px;height:42px;border-radius:10px;background:rgba(8,176,249,.1);display:flex;align-items:center;justify-content:center;margin-bottom:18px}
.feat-icon svg{width:22px;height:22px;stroke:var(--flare);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.feat h3{font-size:1.08rem;margin-bottom:8px}
.feat p{font-size:.92rem;color:var(--muted)}
@media(max-width:900px){.feat-grid{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.feat-grid{grid-template-columns:1fr}}

/* ---------- product visuals ---------- */
.showcase{display:grid;grid-template-columns:1fr 1fr;gap:26px}
.show-card{background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.show-card .visual{padding:26px;background:linear-gradient(180deg,var(--bg-raise),var(--bg-card));border-bottom:1px solid var(--line);min-height:230px;display:flex;align-items:center;justify-content:center}
.show-card .caption{padding:20px 24px}
.show-card .caption h3{font-size:1rem;margin-bottom:6px}
.show-card .caption p{font-size:.88rem;color:var(--muted)}
.donut{transform:rotate(-90deg)}
.donut circle{fill:none;stroke-width:16;stroke-linecap:round}
.donut .track{stroke:var(--line)}
.donut .seg1{stroke:var(--flare);stroke-dasharray:150 377}
.donut .seg2{stroke:var(--data-blue);stroke-dasharray:100 377;stroke-dashoffset:-160}
.donut .seg3{stroke:var(--data-teal);stroke-dasharray:80 377;stroke-dashoffset:-270}
.builder{width:100%;display:grid;grid-template-columns:80px 1fr;gap:10px}
.builder .tray{display:flex;flex-direction:column;gap:8px}
.chip{background:var(--bg);border:1px dashed var(--line);border-radius:7px;height:32px;display:flex;align-items:center;justify-content:center;font-size:.62rem;color:var(--muted);letter-spacing:.06em;font-family:var(--display)}
.chip.hot{border-color:var(--flare);color:var(--flare-soft);border-style:solid;box-shadow:0 0 10px rgba(8,176,249,.25)}
.canvas{background:var(--bg);border:1px solid var(--line);border-radius:8px;display:grid;grid-template-columns:1fr 1fr;grid-template-rows:1fr 1fr;gap:8px;padding:8px}
.slot{border:1px dashed var(--line);border-radius:6px}
.slot.filled{border-style:solid;background:linear-gradient(135deg,rgba(8,176,249,.12),rgba(91,141,239,.08))}
@media(max-width:800px){.showcase{grid-template-columns:1fr}}

/* ---------- charts library ---------- */
.chart-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.chart-card{background:var(--bg-card);border:1px solid var(--line);border-radius:12px;padding:22px;transition:border-color .2s ease}
.chart-card:hover{border-color:rgba(8,176,249,.45)}
.chart-card h3{font-size:.98rem;margin-bottom:7px;display:flex;align-items:center;gap:10px}
.chart-card h3 svg{width:20px;height:20px;flex:none;stroke:var(--flare-soft);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.chart-card p{font-size:.86rem;color:var(--muted)}
.chart-more{margin-top:28px;display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.chart-more .more-label{font-size:.8rem;color:var(--muted);letter-spacing:.12em;text-transform:uppercase;font-family:var(--display);margin-right:6px}
.pill{border:1px solid var(--line);background:var(--bg-raise);color:var(--muted);font-size:.82rem;padding:7px 14px;border-radius:99px;font-weight:500}
@media(max-width:900px){.chart-grid{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.chart-grid{grid-template-columns:1fr}}

/* ---------- pricing ---------- */
.price-layout{display:grid;grid-template-columns:1.5fr 1fr;gap:26px;align-items:start}
.price-table{background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.price-table table{width:100%;border-collapse:collapse;font-size:.94rem}
.price-table th{font-family:var(--display);font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);text-align:left;padding:16px 24px;border-bottom:1px solid var(--line);background:var(--bg-raise)}
.price-table td{padding:17px 24px;border-bottom:1px solid var(--line);color:var(--muted)}
.price-table tr:last-child td{border-bottom:none}
.price-table td.users{color:var(--text);font-weight:600;font-family:var(--display)}
.price-table td.amount{color:var(--text);font-weight:600}
.price-table tr.hot{background:linear-gradient(90deg,rgba(8,176,249,.1),transparent 70%)}
.price-table tr.hot td.users{color:var(--flare-soft)}
.tag{display:inline-block;font-size:.68rem;font-weight:600;letter-spacing:.06em;padding:3px 10px;border-radius:99px;border:1px solid var(--line);color:var(--muted);margin-left:8px;vertical-align:middle}
.tag.flame{border-color:rgba(8,176,249,.5);color:var(--flare-soft)}
.price-fine{font-size:.78rem;color:var(--muted);padding:14px 24px 18px;border-top:1px solid var(--line);background:var(--bg-raise)}
.price-side{display:grid;gap:20px}
.price-note{background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.price-note h3{font-size:1rem;margin-bottom:8px;display:flex;align-items:center;gap:10px}
.price-note h3 svg{width:19px;height:19px;stroke:var(--flare);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.price-note p{font-size:.88rem;color:var(--muted)}
.price-note.cta{border-color:var(--flare);box-shadow:0 0 38px rgba(8,176,249,.15)}
.price-note.cta .btn{width:100%;justify-content:center;margin-top:16px}
@media(max-width:900px){.price-layout{grid-template-columns:1fr}}
@media(max-width:560px){.price-table th,.price-table td{padding:13px 14px}.tag{display:block;margin:6px 0 0;width:max-content}}

/* ---------- demo form ---------- */
.demo{background:radial-gradient(ellipse at 50% 0%,rgba(8,176,249,.12),transparent 60%),var(--bg-raise);border-top:1px solid var(--line)}
.demo-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.demo-grid h2{font-size:clamp(1.7rem,3.2vw,2.3rem);margin-bottom:16px}
.demo-grid .lede{color:var(--muted);margin-bottom:28px}
.demo-points{list-style:none;display:grid;gap:14px}
.demo-points li{display:flex;gap:12px;font-size:.94rem;color:var(--muted)}
.demo-points li::before{content:"";width:18px;height:18px;flex:none;margin-top:2px;background:no-repeat center/contain url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="%232DD4BF" stroke-width="2.2" stroke-linecap="round" stroke-linejoin="round"><polyline points="20 6 9 17 4 12"/></svg>')}
.form-card{background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius);padding:34px}
.form-card h3{font-size:1.15rem;margin-bottom:22px}
.field{margin-bottom:18px}
.field label{display:block;font-size:.8rem;color:var(--muted);margin-bottom:7px;font-weight:500}
.field input,.field select{width:100%;background:var(--bg);border:1px solid var(--line);border-radius:9px;padding:12px 14px;color:var(--text);font-family:var(--body);font-size:.94rem;transition:border-color .15s}
.field input:focus,.field select:focus{outline:none;border-color:var(--flare)}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-fine{font-size:.76rem;color:var(--muted);margin-top:14px;text-align:center}
.form-success{display:none;text-align:center;padding:40px 10px}
.form-success .flame{font-size:2.2rem}
.form-success h3{margin:12px 0 8px}
.form-success p{color:var(--muted);font-size:.92rem}
@media(max-width:860px){.demo-grid{grid-template-columns:1fr;gap:44px}.field-row{grid-template-columns:1fr}}

/* ---------- footer ---------- */
footer{border-top:1px solid var(--line);padding:44px 0;color:var(--muted);font-size:.86rem}
.foot-inner{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}
.foot-links{display:flex;gap:26px}
.foot-links a:hover{color:var(--text)}

/* ---------- inner pages (docs) ---------- */
.page-hero{padding:72px 0 56px;position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.page-hero::before{content:"";position:absolute;inset:auto -20% -70% -20%;height:420px;background:radial-gradient(ellipse at 50% 100%,rgba(8,176,249,.14),transparent 65%);pointer-events:none}
.page-hero h1{font-size:clamp(1.9rem,4vw,2.8rem);margin-bottom:16px;position:relative}
.page-hero .lede{color:var(--muted);font-size:1.05rem;max-width:70ch;position:relative}
.doc-section{padding:64px 0;border-bottom:1px solid var(--line)}
.doc-section:last-of-type{border-bottom:none}
.doc-section h2{font-size:clamp(1.35rem,2.6vw,1.8rem);margin-bottom:14px}
.doc-section .intro{color:var(--muted);max-width:74ch;margin-bottom:34px}
.example-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.example-card{background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.example-card figure{margin:0;background:var(--bg-raise);border-bottom:1px solid var(--line);padding:18px;display:flex;align-items:center;justify-content:center;min-height:200px}
.example-card figure img{max-width:100%;height:auto;border-radius:8px}
.example-card figcaption,.example-card .caption{padding:18px 22px;font-size:.92rem;color:var(--muted)}
.example-card .caption code{color:var(--flare-glow)}
code{font-family:ui-monospace,'SF Mono',Menlo,Consolas,monospace;font-size:.88em;background:var(--bg-raise);border:1px solid var(--line);border-radius:5px;padding:2px 7px}
.expr-table{background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;overflow-x:auto}
.expr-table table{width:100%;border-collapse:collapse;font-size:.92rem;min-width:640px}
.expr-table th{font-family:var(--display);font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);text-align:left;padding:15px 22px;border-bottom:1px solid var(--line);background:var(--bg-raise)}
.expr-table td{padding:17px 22px;border-bottom:1px solid var(--line);color:var(--muted);vertical-align:top}
.expr-table tr:last-child td{border-bottom:none}
.expr-table td.expr{width:46%}
.expr-table td.expr code{display:inline-block;background:var(--bg);color:var(--flare-glow);padding:9px 13px;border-radius:8px;line-height:1.5;word-break:break-word;white-space:pre-wrap}
.expr-table td .var{color:var(--flare-soft);font-weight:600}
@media(max-width:800px){.example-grid{grid-template-columns:1fr}}

/* ---------- expression functions ---------- */
.fn-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.fn-card{background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.fn-card header{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:16px}
.fn-card h2{font-size:1.05rem}
.fn-card .count{font-family:var(--display);font-size:.72rem;color:var(--muted);letter-spacing:.1em;white-space:nowrap}
.fn-list{display:flex;flex-wrap:wrap;gap:8px}
.fn{font-family:ui-monospace,'SF Mono',Menlo,Consolas,monospace;font-size:.8rem;color:var(--flare-glow);background:var(--bg);border:1px solid var(--line);border-radius:7px;padding:5px 11px}
@media(max-width:760px){.fn-grid{grid-template-columns:1fr}}