/* ═══════════════════════════════════════════════════════════
   landing-v2.css — V2.2 landing styles
   Imported AFTER /static/css/tokens.css (single source of truth).
   Local aliases below map legacy V2.2 var names onto design-system tokens
   so we keep the v2.2 selectors verbatim without duplicating values.
   ═══════════════════════════════════════════════════════════ */

:root{
  --accent:        var(--color-primary);
  --accent-dark:   var(--color-primary-dark);
  --accent-soft:   var(--color-primary-soft);
  --bg:            var(--color-neutral-50);
  --surface:       var(--color-neutral-0);
  --border:        var(--color-neutral-200);
  --border-soft:   var(--color-neutral-150);
  --head-bg:       var(--color-neutral-100);
  --text:          var(--color-neutral-700);
  --text-2:        var(--color-neutral-600);
  --muted:         var(--color-neutral-500);
  --muted-soft:    var(--color-neutral-400);
  --success:       var(--color-success);
  --success-soft:  var(--color-success-soft);
  --danger:        var(--color-danger);
  --radius:        var(--radius-sm);
  --shadow-cell:   0 1px 0 var(--border);
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html,body{overflow-x:hidden;max-width:100vw}
body{
  background:var(--bg);color:var(--text);
  font-family:var(--font-body);
  font-size:15.5px;line-height:1.55;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
.mono{font-family:var(--font-mono);font-feature-settings:"ss03","cv11"}
h1,h2,h3,h4,.heading{font-family:var(--font-heading);letter-spacing:-.02em}
a{color:var(--text);text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit;-webkit-appearance:none;appearance:none}
input,select,textarea{font-family:inherit;color:var(--text)}
input:focus-visible,select:focus-visible,button:focus-visible,a:focus-visible{
  outline:2px solid var(--accent);outline-offset:2px;
}
::selection{background:var(--accent);color:#fff}

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{
    animation-duration:0.01ms !important;
    animation-iteration-count:1 !important;
    transition-duration:0.01ms !important;
  }
}

/* ─────────── Brand mark B1 ─────────── */
.mark{
  display:inline-flex;align-items:center;
  background:var(--surface);border:1px solid var(--text);
  padding:3px 10px;gap:8px;
  font-family:var(--font-mono);font-size:12px;font-weight:600;
  color:var(--text);
  position:relative;
}
.mark::before{
  content:"";width:7px;height:7px;border-radius:50%;background:var(--accent);
  animation:blink 1.8s ease-in-out infinite;
}
@keyframes blink{0%,100%{opacity:.35;transform:scale(.9)}50%{opacity:1;transform:scale(1.1)}}

/* ─────────── Nav ─────────── */
.nav{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 32px;
  background:var(--surface);
  border-bottom:1px solid var(--border);
  position:sticky;top:0;z-index:100;
}
.nav-brand{display:flex;align-items:center;gap:12px}
.nav-brand-name{
  font-family:var(--font-heading);font-weight:700;font-size:17px;
  letter-spacing:-.015em;
}
.nav-brand-name em{font-style:normal;color:var(--muted-soft);font-weight:400;font-family:var(--font-mono);font-size:13px}
.nav-links{display:flex;align-items:center;gap:26px;font-size:14px}
.nav-links a{color:var(--text-2);transition:color .15s}
.nav-links a:hover{color:var(--text)}
.cta{
  background:var(--text);color:#fff;
  padding:10px 18px;font-weight:500;font-size:13.5px;
  display:inline-flex;align-items:center;gap:8px;
  transition:background .15s,transform .15s,border-color .15s;
  border:1px solid var(--text);border-radius:var(--radius);
}
.cta:hover{background:#1a1a1a;transform:translateY(-1px)}
.cta.primary{background:var(--accent);border-color:var(--accent);color:#fff}
.cta.primary:hover{background:var(--accent-dark);border-color:var(--accent-dark)}
.cta.outline{background:transparent;color:var(--text);border:1px solid var(--border)}
.cta.outline:hover{border-color:var(--text);background:transparent;transform:none}
.cta .arrow{
  width:14px;height:14px;display:inline-block;background:currentColor;
  -webkit-mask:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'><path d='M3 8h10M9 4l4 4-4 4' fill='none' stroke='black' stroke-width='1.5' stroke-linecap='square'/></svg>") no-repeat center/contain;
          mask:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'><path d='M3 8h10M9 4l4 4-4 4' fill='none' stroke='black' stroke-width='1.5' stroke-linecap='square'/></svg>") no-repeat center/contain;
}
.nav-toggle{display:none;width:36px;height:36px;align-items:center;justify-content:center}
.nav-toggle span{display:block;width:18px;height:1.5px;background:var(--text);position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:1.5px;background:var(--text)}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* ─────────── HERO ─────────── */
.hero{
  max-width:1400px;margin:0 auto;
  padding:64px 32px 48px;
  display:grid;grid-template-columns:1fr 1.15fr;gap:56px;align-items:start;
}
.kicker{
  font-family:var(--font-mono);
  font-size:11.5px;color:var(--muted);
  letter-spacing:.02em;
  margin-bottom:24px;
  display:flex;align-items:center;gap:10px;
}
.kicker::before{content:"";width:6px;height:6px;background:var(--accent);display:inline-block}
.hero h1{
  font-family:var(--font-heading);font-weight:700;
  font-size:clamp(34px,4.4vw,54px);
  line-height:1.04;letter-spacing:-.025em;
  margin-bottom:18px;
  color:var(--text);
}
.hero h1 .accent{color:var(--accent)}
.hero .subheader{
  font-size:21px;line-height:1.35;color:var(--text-2);
  max-width:540px;margin-bottom:28px;
  font-weight:400;
}
.hero .subheader s{
  color:var(--muted-soft);text-decoration:none;
  position:relative;display:inline-block;
}
.hero .subheader s::after{
  content:"";position:absolute;left:-2%;right:-2%;top:55%;height:2px;
  background:var(--text);transform:rotate(-3deg);
}
.hero-meta{
  display:flex;gap:0;margin-bottom:28px;
  background:var(--surface);border:1px solid var(--border);
}
.hero-meta .cell{
  padding:14px 18px;flex:1;border-right:1px solid var(--border-soft);
  display:flex;flex-direction:column;gap:3px;
}
.hero-meta .cell:last-child{border-right:none}
.hero-meta .n{
  font-family:var(--font-mono);font-size:18px;font-weight:600;letter-spacing:-.02em;
}
.hero-meta .n .u{color:var(--muted);font-weight:400;font-size:12px;margin-left:2px}
.hero-meta .l{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}
.hero-actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:14px}
.hero-note{
  font-family:var(--font-mono);font-size:12px;color:var(--muted);
  display:flex;align-items:center;gap:8px;
}
.hero-note::before{content:"→";color:var(--muted-soft)}
.hero-note a{color:var(--accent-dark);border-bottom:1px dashed var(--accent-dark);padding-bottom:1px}

/* ─────────── Hero spreadsheet (live demo) ─────────── */
.demo-frame{
  background:var(--surface);
  border:1px solid var(--border);
  box-shadow:20px 20px 0 -1px rgba(10,10,10,.03), 20px 20px 0 0 var(--border);
  font-family:var(--font-mono);font-size:13px;
  overflow:hidden;
  min-width:0;
  max-width:100%;
}
.demo-chrome{
  display:flex;align-items:center;gap:10px;
  padding:10px 14px;
  background:var(--head-bg);
  border-bottom:1px solid var(--border);
  font-size:11.5px;color:var(--text-2);
}
.demo-chrome .dots{display:flex;gap:5px}
.demo-chrome .dots span{width:9px;height:9px;border-radius:50%;background:var(--border)}
.demo-chrome .fname{font-weight:500}
.demo-chrome .fname .ext{color:var(--muted-soft)}
.demo-chrome .status{margin-left:auto;display:flex;align-items:center;gap:6px;color:var(--success)}
.demo-chrome .status::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--success);
  animation:blink 1.5s ease-in-out infinite;
}

/* Tabs */
.tabs{
  display:flex;align-items:stretch;gap:0;
  background:var(--surface);
  border-bottom:1px solid var(--border);
  overflow-x:auto;
  -webkit-overflow-scrolling:touch;
  scrollbar-width:none;
}
.tabs::-webkit-scrollbar{display:none}
.tab{
  padding:10px 14px;font-size:12.5px;font-family:var(--font-mono);
  color:var(--muted);position:relative;border-right:1px solid var(--border-soft);
  display:flex;align-items:center;gap:8px;
  flex-shrink:0;white-space:nowrap;
}
.tab[aria-selected="true"]{
  color:var(--text);background:var(--accent-soft);
  font-weight:500;
}
.tab[aria-selected="true"]::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;background:var(--accent);
}
.tab svg{width:14px;height:14px;stroke-width:1.5;flex-shrink:0}
.tab .count{
  font-size:10.5px;background:var(--head-bg);padding:1px 6px;color:var(--muted);
  font-weight:500;
}
.tab[aria-selected="true"] .count{background:var(--surface);color:var(--accent-dark)}

/* Formula bar with marketplace dropdown */
.formula-bar-row{
  display:flex;align-items:stretch;gap:0;
  padding:0;background:var(--bg);
  border-bottom:1px solid var(--border);
  font-size:12px;font-family:var(--font-mono);
  overflow-x:auto;
  -webkit-overflow-scrolling:touch;
  scrollbar-width:thin;
}
.formula-bar-row::-webkit-scrollbar{height:3px}
.formula-bar-row::-webkit-scrollbar-thumb{background:var(--border)}
.formula-bar-row .fx{
  padding:7px 10px;background:var(--head-bg);border-right:1px solid var(--border);
  font-style:italic;color:var(--accent-dark);font-size:11px;flex-shrink:0;
  display:flex;align-items:center;
}
.formula-bar-row .formula{
  padding:7px 12px;color:var(--text-2);white-space:nowrap;display:flex;align-items:center;gap:0;flex-shrink:0;
}
.formula .fn{color:var(--accent-dark);font-weight:600}
.formula .arg{color:var(--text)}
.formula .str{color:var(--success)}
.formula .punc{color:var(--muted-soft)}
.mkt-trigger{
  background:var(--surface);border:1px solid var(--border);
  padding:1px 8px 1px 6px;font-family:var(--font-mono);font-size:11.5px;
  color:var(--accent-dark);font-weight:600;cursor:pointer;
  display:inline-flex;align-items:center;gap:5px;margin-left:2px;
  border-radius:0;
}
.mkt-trigger:hover{border-color:var(--accent);background:var(--accent-soft)}
.mkt-trigger .caret{font-size:9px;line-height:1;margin-top:1px;color:var(--muted)}
.mkt-trigger[aria-expanded="true"] .caret{color:var(--accent)}

/* Marketplace dropdown */
.mkt-dropdown{
  position:absolute;background:var(--surface);
  border:1px solid var(--text);box-shadow:0 6px 0 -1px rgba(0,0,0,.04), 0 6px 0 0 var(--border);
  min-width:280px;z-index:50;display:none;
}
.mkt-dropdown[aria-hidden="false"]{display:block;animation:dropIn .15s ease-out}
@keyframes dropIn{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}
.mkt-option{
  display:flex;flex-direction:column;gap:2px;padding:10px 14px;cursor:pointer;
  border-bottom:1px solid var(--border-soft);width:100%;text-align:left;
  background:var(--surface);
}
.mkt-option:last-child{border-bottom:none}
.mkt-option:hover,.mkt-option:focus-visible{background:var(--accent-soft);outline:none}
.mkt-option[aria-selected="true"]{background:var(--accent-soft)}
.mkt-option .mkt-name{font-family:var(--font-mono);font-size:12.5px;font-weight:600;color:var(--text);display:flex;align-items:center;gap:8px}
.mkt-option .mkt-name .check{width:12px;height:12px;color:var(--accent);opacity:0}
.mkt-option[aria-selected="true"] .check{opacity:1}
.mkt-option .mkt-hint{font-family:var(--font-body);font-size:11.5px;color:var(--muted);line-height:1.4}

/* Tab content panels */
.tab-panel{display:none}
.tab-panel.active{display:block}

/* Spreadsheet grid (tab 1) */
.sheet-grid{display:grid;grid-template-columns:36px 1fr 1.5fr}
.sheet-col-head{
  background:var(--head-bg);
  padding:7px 10px;
  font-size:10.5px;color:var(--text-2);
  letter-spacing:.03em;text-align:center;
  border-right:1px solid var(--border-soft);
  border-bottom:1px solid var(--border);
}
.sheet-col-head:last-child{border-right:none}
.sheet-col-head.wide{text-align:left;padding-left:14px}
.sheet-col-head .coord{color:var(--muted-soft);margin-right:6px;font-weight:500}

.sheet-row-head{
  background:var(--head-bg);padding:10px 0;
  font-size:10.5px;color:var(--muted-soft);
  text-align:center;border-right:1px solid var(--border-soft);
  border-bottom:1px solid var(--border-soft);
  display:flex;align-items:center;justify-content:center;
}
.sheet-cell{
  padding:12px 14px;
  border-right:1px solid var(--border-soft);
  border-bottom:1px solid var(--border-soft);
  min-height:66px;display:flex;align-items:flex-start;
  line-height:1.5;
}
.sheet-cell:last-child{border-right:none}
.sheet-cell.a{color:var(--text);font-size:12.5px}
.sheet-cell.b{
  font-family:var(--font-body);font-size:13.5px;color:var(--text);
  background:var(--accent-soft);position:relative;
}
.sheet-cell.b.pending{
  background:var(--bg);color:var(--muted);
  font-style:italic;font-family:var(--font-mono);font-size:12px;
}
.sheet-cell.b.pending::after{
  content:"";display:inline-block;width:8px;height:14px;
  background:var(--accent);margin-left:5px;align-self:center;
  animation:cursor 0.9s steps(2,end) infinite;
}
@keyframes cursor{0%,50%{opacity:1}50.01%,100%{opacity:0}}
.sheet-cell.b.fresh{animation:cellIn .55s ease-out both}
@keyframes cellIn{from{background:var(--head-bg);opacity:.3}to{}}

.sheet-cell.input{
  padding:0;background:var(--surface);position:relative;
}
.sheet-cell.input input{
  width:100%;border:none;background:transparent;outline:none;
  padding:12px 14px;font-family:var(--font-mono);font-size:12.5px;
  color:var(--text);min-height:66px;
}
.sheet-cell.input::before{
  content:"";position:absolute;inset:-2px;border:2px solid var(--accent);pointer-events:none;
  opacity:0;transition:opacity .15s;z-index:5;
}
.sheet-cell.input:focus-within::before{opacity:1}

/* Action bar */
.demo-action{
  padding:10px 14px;border-top:1px solid var(--border);
  background:var(--head-bg);
  display:flex;align-items:center;gap:10px;justify-content:space-between;
  font-size:11.5px;flex-wrap:wrap;
}
.demo-action .controls{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.demo-action select{
  background:var(--surface);border:1px solid var(--border);padding:5px 8px;
  font-size:11px;font-family:var(--font-mono);color:var(--text);border-radius:0;
}
.demo-action button.gen{
  background:var(--text);color:#fff;padding:6px 14px;font-size:11.5px;font-weight:500;
  font-family:var(--font-mono);display:flex;align-items:center;gap:6px;border-radius:var(--radius);
  border:1px solid var(--text);
}
.demo-action button.gen:hover{background:var(--accent);border-color:var(--accent)}
.demo-action .hint{color:var(--muted);font-family:var(--font-mono)}
.demo-action .hint kbd{
  background:var(--surface);border:1px solid var(--border);padding:1px 5px;
  font-family:inherit;font-size:10.5px;
}

/* Dropzone (tab 2) */
.dropzone-wrap{padding:20px;background:var(--surface)}
.dropzone{
  border:2px dashed var(--border);
  background:var(--bg);
  padding:36px 24px;
  display:flex;flex-direction:column;align-items:center;gap:12px;
  text-align:center;cursor:pointer;
  transition:border-color .15s,background .15s;
  min-height:200px;justify-content:center;
}
.dropzone:hover,.dropzone:focus-visible{border-color:var(--accent);background:var(--accent-soft);outline:none}
.dropzone.dragover{border-color:var(--accent);background:var(--accent-soft);border-style:solid}
.dropzone .ico{
  width:48px;height:48px;color:var(--accent);
  display:flex;align-items:center;justify-content:center;
}
.dropzone .ico svg{width:48px;height:48px;stroke-width:1.25}
.dropzone .title{
  font-family:var(--font-heading);font-weight:600;font-size:18px;
  color:var(--text);
}
.dropzone .or{font-family:var(--font-mono);font-size:11px;color:var(--muted-soft);margin:2px 0;letter-spacing:.05em}
.dropzone .browse{
  font-family:var(--font-mono);font-size:12px;
  color:var(--accent-dark);border-bottom:1px dashed var(--accent-dark);padding-bottom:1px;
}
.dropzone .meta{
  font-family:var(--font-mono);font-size:11px;color:var(--muted);
  margin-top:6px;display:flex;gap:14px;
}
.dropzone .meta span::before{content:"·";margin-right:14px;color:var(--border)}
.dropzone .meta span:first-child::before{display:none}
.dropzone input[type=file]{display:none}

.toast{
  position:fixed;bottom:24px;left:50%;transform:translateX(-50%);
  background:var(--text);color:#fff;
  padding:14px 22px;border-radius:var(--radius);
  font-size:14px;z-index:200;
  display:flex;align-items:center;gap:12px;
  box-shadow:0 10px 30px rgba(0,0,0,.2);
  opacity:0;pointer-events:none;
  transition:opacity .2s,transform .2s;
}
.toast.show{opacity:1;transform:translateX(-50%) translateY(-4px)}
.toast .ok{
  width:18px;height:18px;background:var(--accent);border-radius:50%;
  display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;
  font-size:11px;font-family:var(--font-mono);flex-shrink:0;
}
.toast a{color:var(--accent);border-bottom:1px solid var(--accent);margin-left:4px}

/* ─────────── Section frames ─────────── */
.sec{max-width:1400px;margin:0 auto;padding:80px 32px}
.sec-head{
  display:grid;grid-template-columns:auto 1fr;gap:40px;align-items:end;
  margin-bottom:36px;padding-bottom:18px;border-bottom:1px solid var(--border);
}
.sec-idx{
  font-family:var(--font-mono);font-size:12px;color:var(--muted);
  letter-spacing:.02em;display:flex;gap:10px;align-items:center;
}
.sec-idx .bar{width:24px;height:1px;background:var(--muted-soft);align-self:center;display:inline-block}
.sec h2{
  font-family:var(--font-heading);font-weight:700;
  font-size:clamp(28px,3.5vw,42px);
  line-height:1.05;letter-spacing:-.025em;
  max-width:760px;color:var(--text);
}
.sec h2 em{
  font-style:normal;background:var(--accent-soft);color:var(--accent-dark);
  padding:0 6px;margin:0 -2px;
  box-decoration-break:clone;-webkit-box-decoration-break:clone;
}
.sec-sub{color:var(--text-2);font-size:16px;max-width:580px;margin-top:12px;line-height:1.55}

/* ─────────── Result preview (input vs output tables) ─────────── */
.result-preview{
  display:grid;gap:24px;
  background:var(--surface);border:1px solid var(--border);
  padding:36px;
}
.preview-block .label{
  font-family:var(--font-mono);font-size:11px;color:var(--muted);
  letter-spacing:.05em;margin-bottom:10px;
  display:flex;align-items:center;gap:8px;
}
.preview-block .label .tag{
  padding:1px 7px;border:1px solid var(--border);background:var(--bg);font-weight:600;
}
.preview-block .label.in .tag{color:var(--text-2)}
.preview-block .label.out .tag{color:var(--accent-dark);border-color:var(--accent);background:var(--accent-soft)}

.mini-table-wrap{
  overflow-x:auto;
  -webkit-overflow-scrolling:touch;
  border:1px solid var(--border);
  background:var(--surface);
}
.mini-table{
  width:100%;border-collapse:collapse;
  font-family:var(--font-mono);font-size:12.5px;
  background:var(--surface);
  min-width:520px;
}
.mini-table th,.mini-table td{
  border-right:1px solid var(--border-soft);
  border-bottom:1px solid var(--border-soft);
  padding:10px 12px;text-align:left;vertical-align:top;
}
.mini-table th:last-child,.mini-table td:last-child{border-right:none}
.mini-table tr:last-child td{border-bottom:none}
.mini-table thead th{
  background:var(--head-bg);font-weight:500;
  font-size:10.5px;color:var(--text-2);
  letter-spacing:.04em;
}
.mini-table thead .coord{color:var(--muted-soft);margin-right:5px}
.mini-table .row-num{
  background:var(--head-bg);color:var(--muted-soft);
  text-align:center;width:30px;font-size:10.5px;
}
.mini-table .out-cell{
  background:var(--accent-soft);
  max-width:300px;vertical-align:top;
  cursor:help;position:relative;
  transition:background .15s;
}
.mini-table .out-cell:hover{background:#ffe1d4}
.mini-table .out-cell .clamp{
  font-family:var(--font-body);font-size:13px;
  color:var(--text);line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;
  overflow:hidden;text-overflow:ellipsis;
}
.mini-table .out-cell:hover .clamp{
  -webkit-line-clamp:unset;display:block;
}
.preview-arrows{
  display:flex;justify-content:center;align-items:center;gap:8px;
  font-family:var(--font-mono);color:var(--accent);font-size:18px;
  margin:4px 0;
}
.preview-arrows span{animation:arrowPulse 1.6s ease-in-out infinite}
.preview-arrows span:nth-child(2){animation-delay:.2s}
.preview-arrows span:nth-child(3){animation-delay:.4s}
@keyframes arrowPulse{0%,100%{opacity:.3}50%{opacity:1}}
.preview-cta{
  margin-top:8px;display:flex;justify-content:flex-start;
}
.preview-cta a{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 16px;border:1px solid var(--text);background:var(--surface);
  font-family:var(--font-mono);font-size:13px;color:var(--text);
  transition:background .15s;
}
.preview-cta a:hover{background:var(--text);color:#fff}
.preview-cta a .dl{
  width:14px;height:14px;display:inline-block;background:currentColor;
  -webkit-mask:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'><path d='M8 2v9M4 7l4 4 4-4M3 14h10' fill='none' stroke='black' stroke-width='1.5' stroke-linecap='square'/></svg>") no-repeat center/contain;
          mask:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'><path d='M8 2v9M4 7l4 4 4-4M3 14h10' fill='none' stroke='black' stroke-width='1.5' stroke-linecap='square'/></svg>") no-repeat center/contain;
}

/* ─────────── Marketplace chips ─────────── */
.mkt-cal{
  background:var(--surface);border:1px solid var(--border);
  padding:36px;
}
.mkt-cal-chips{
  display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px;
}
.mkt-chip{
  position:relative;
  display:inline-flex;align-items:center;
  padding:8px 14px;
  border-radius:var(--radius);
  font-family:var(--font-heading);font-weight:600;font-size:13px;
  letter-spacing:-.01em;cursor:default;
  transition:transform .15s,box-shadow .15s;
  border:1px solid transparent;
}
.mkt-chip:hover{transform:translateY(-1px);box-shadow:0 4px 0 -1px rgba(0,0,0,.06),0 4px 0 0 rgba(0,0,0,.08)}
.mkt-chip-caption{
  display:none;position:absolute;left:0;top:calc(100% + 8px);
  background:var(--text);color:#fff;
  padding:10px 14px;font-family:var(--font-body);font-size:12.5px;font-weight:400;
  line-height:1.5;letter-spacing:0;
  white-space:nowrap;z-index:30;
  border:1px solid rgba(255,255,255,.12);
  pointer-events:none;
  min-width:240px;
}
.mkt-chip-caption::before{
  content:"";position:absolute;top:-5px;left:14px;
  width:8px;height:8px;background:var(--text);
  transform:rotate(45deg);border-top:1px solid rgba(255,255,255,.12);border-left:1px solid rgba(255,255,255,.12);
}
.mkt-chip:hover .mkt-chip-caption,
.mkt-chip:focus-visible .mkt-chip-caption{display:block}
.mkt-chip.neutral{
  background:var(--surface);color:var(--text-2);
  border:1px dashed var(--border);
}
.mkt-chip.neutral:hover{border-color:var(--text)}
.mkt-cal-tagline{
  font-size:14.5px;color:var(--muted);padding-top:16px;border-top:1px dashed var(--border);
  line-height:1.55;
}
.mkt-cal-tagline strong{color:var(--text);font-weight:500}
@media(max-width:768px){
  .mkt-cal{padding:20px}
  .mkt-chip-caption{white-space:normal;min-width:200px}
}

/* ─────────── Pipeline ─────────── */
.formula-bar{
  background:var(--surface);border:1px solid var(--border);
  padding:12px 16px;margin-bottom:28px;
  font-family:var(--font-mono);font-size:13px;
  display:flex;align-items:center;gap:10px;color:var(--text-2);
  overflow-x:auto;
}
.formula-bar .fx{
  background:var(--head-bg);padding:2px 7px;font-size:11px;color:var(--muted);
  border:1px solid var(--border);flex-shrink:0;font-style:italic;
}
.formula-bar .fn{color:var(--accent-dark);font-weight:600}
.formula-bar .arg{color:var(--text)}
.formula-bar .str{color:var(--success)}
.formula-bar .punc{color:var(--muted-soft)}

.pipeline{
  display:grid;grid-template-columns:repeat(3,1fr);
  background:var(--surface);border:1px solid var(--border);
}
.step{
  padding:30px 26px;border-right:1px solid var(--border);
  display:flex;flex-direction:column;gap:14px;position:relative;
}
.step:last-child{border-right:none}
.step::after{
  content:"→";position:absolute;right:-11px;top:50%;transform:translateY(-50%);
  background:var(--bg);width:22px;height:22px;display:grid;place-items:center;
  border:1px solid var(--border);z-index:2;
  font-family:var(--font-mono);font-size:12px;color:var(--muted);
}
.step:last-child::after{display:none}
.step-tag{
  font-family:var(--font-mono);font-size:10.5px;color:var(--muted);
  letter-spacing:.06em;display:flex;align-items:center;gap:8px;
}
.step-tag .num{background:var(--text);color:#fff;padding:1px 6px;font-weight:500}
.step h4{font-family:var(--font-heading);font-size:21px;font-weight:600;letter-spacing:-.015em;line-height:1.15}
.step p{font-size:14.5px;color:var(--text-2);line-height:1.55}
.step .meta{
  margin-top:auto;padding-top:12px;border-top:1px dashed var(--border);
  font-family:var(--font-mono);font-size:11px;color:var(--muted);
  display:flex;flex-wrap:wrap;gap:4px 10px;
}
.step .meta span{white-space:nowrap}

/* ─────────── Examples ─────────── */
.examples{background:var(--surface);border:1px solid var(--border)}
.examples .head{
  display:grid;grid-template-columns:36px 80px 1fr 1.5fr;
  background:var(--head-bg);border-bottom:1px solid var(--border);
  font-family:var(--font-mono);font-size:10.5px;color:var(--text-2);
}
.examples .head > div{padding:9px 14px;border-right:1px solid var(--border-soft)}
.examples .head > div:last-child{border-right:none}
.examples .head .coord{color:var(--muted-soft);margin-right:6px}
.ex-row{
  display:grid;grid-template-columns:36px 80px 1fr 1.5fr;
  border-bottom:1px solid var(--border-soft);
}
.ex-row:last-child{border-bottom:none}
.ex-row > div{padding:20px 14px;border-right:1px solid var(--border-soft);display:flex;align-items:flex-start;line-height:1.55}
.ex-row > div:last-child{border-right:none}
.ex-row .rnum{
  background:var(--head-bg);color:var(--muted-soft);font-family:var(--font-mono);
  font-size:11px;justify-content:center;align-items:center;
}
.ex-row .seg{
  font-family:var(--font-mono);font-size:10.5px;color:var(--muted);letter-spacing:.05em;
  align-items:center;
}
.ex-row .seg.cheap{color:var(--success)}
.ex-row .seg.mid{color:var(--text-2)}
.ex-row .seg.premium{color:var(--accent-dark)}
.ex-row .inp{font-family:var(--font-mono);font-size:12.5px;color:var(--text)}
.ex-row .out{
  font-size:14px;color:var(--text);
  background:linear-gradient(90deg, var(--accent-soft) 0%, var(--surface) 60%);
}

/* ─────────── Audience ─────────── */
.aud-grid{display:grid;grid-template-columns:repeat(3,1fr);background:var(--surface);border:1px solid var(--border)}
.aud{
  padding:30px 26px;border-right:1px solid var(--border);
  display:flex;flex-direction:column;gap:14px;min-height:260px;
}
.aud:last-child{border-right:none}
.aud-tag{
  font-family:var(--font-mono);font-size:10.5px;color:var(--muted);
  letter-spacing:.06em;display:flex;gap:8px;align-items:center;
}
.aud-tag .bullet{width:6px;height:6px;background:var(--accent);display:inline-block}
.aud h4{font-family:var(--font-heading);font-size:20px;font-weight:600;letter-spacing:-.01em;line-height:1.2}
.aud p{font-size:14.5px;color:var(--text-2);line-height:1.55}
.aud .marks{
  margin-top:auto;padding-top:14px;display:flex;flex-wrap:wrap;gap:6px;
  border-top:1px dashed var(--border);
}
.chip{
  font-family:var(--font-mono);font-size:11px;
  padding:3px 8px;background:var(--bg);border:1px solid var(--border);
  color:var(--text-2);
}

/* ─────────── Pricing ─────────── */
.pricing{
  display:grid;grid-template-columns:1fr 1fr;gap:0;
  background:var(--surface);border:1px solid var(--border);
}
.price-info{padding:38px 34px;border-right:1px solid var(--border)}
.price-info .label{
  font-family:var(--font-mono);font-size:11px;color:var(--muted);
  letter-spacing:.05em;margin-bottom:16px;
}
.price-info h3{
  font-family:var(--font-heading);font-size:28px;font-weight:600;line-height:1.15;letter-spacing:-.02em;
  margin-bottom:14px;color:var(--text);
}
.price-info h3 em{font-style:normal;color:var(--accent-dark)}
.price-info p{font-size:15px;color:var(--text-2);margin-bottom:12px;line-height:1.55}
.price-info ul{list-style:none;margin-top:20px;border-top:1px solid var(--border-soft)}
.price-info li{
  padding:12px 0;border-bottom:1px solid var(--border-soft);
  display:flex;justify-content:space-between;align-items:center;
  font-family:var(--font-mono);font-size:13px;
}
.price-info li .v{color:var(--text);font-weight:500}
.price-info li .v.accent{color:var(--accent-dark);font-weight:600}

.calc{padding:38px 34px;background:var(--bg)}
.calc-label{
  font-family:var(--font-mono);font-size:11px;color:var(--muted);
  letter-spacing:.05em;margin-bottom:20px;
  display:flex;align-items:center;gap:8px;
}
.calc-label::before{content:"fx";font-size:10px;padding:2px 5px;background:var(--surface);border:1px solid var(--border);font-style:italic;color:var(--accent-dark)}
.calc-field{margin-bottom:22px}
.calc-field label{
  display:flex;justify-content:space-between;align-items:baseline;
  font-size:13px;color:var(--text-2);margin-bottom:10px;
}
.calc-field label .val{
  font-family:var(--font-mono);color:var(--text);font-weight:600;font-size:14px;
  background:var(--surface);border:1px solid var(--border);padding:2px 8px;
}
.calc-example{
  font-family:var(--font-mono);font-size:11.5px;color:var(--muted);margin-top:6px;font-style:italic;
}
input[type=range]{
  width:100%;height:2px;background:var(--border);border-radius:0;
  appearance:none;-webkit-appearance:none;outline:none;cursor:pointer;
}
input[type=range]::-webkit-slider-thumb{
  appearance:none;-webkit-appearance:none;
  width:16px;height:16px;background:var(--accent);border-radius:50%;
  border:3px solid var(--bg);box-shadow:0 0 0 1px var(--accent);
}
input[type=range]::-moz-range-thumb{
  width:16px;height:16px;background:var(--accent);border-radius:50%;
  border:3px solid var(--bg);box-shadow:0 0 0 1px var(--accent);
}
.calc-check{
  display:flex;align-items:center;gap:10px;margin-bottom:20px;
  font-size:13.5px;color:var(--text-2);cursor:pointer;user-select:none;
  padding:10px 14px;background:var(--surface);border:1px solid var(--border);
}
.calc-check input{width:15px;height:15px;accent-color:var(--accent)}

.calc-formula{
  font-family:var(--font-mono);font-size:12px;
  background:var(--surface);border:1px solid var(--border);padding:12px 14px;
  margin-bottom:18px;color:var(--text-2);line-height:1.7;overflow-x:auto;
}
.calc-formula .var{color:var(--accent-dark);font-weight:600}
.calc-formula .op{color:var(--muted-soft)}
.calc-formula .res{color:var(--success);font-weight:600}

.calc-result{
  padding-top:20px;border-top:1px solid var(--border);
  display:grid;grid-template-columns:1fr auto;gap:10px;align-items:baseline;
}
.calc-result .rl{font-size:12px;color:var(--muted);font-family:var(--font-mono);letter-spacing:.04em}
.calc-result .rv{
  font-family:var(--font-mono);font-size:42px;font-weight:600;
  color:var(--accent-dark);letter-spacing:-.02em;line-height:1;text-align:right;
}
.calc-result .rv .u{font-size:20px;color:var(--text-2);font-weight:500;margin-left:2px}

/* ─────────── Pricing teaser (landing) ─────────── */
.pricing-teaser{display:grid;grid-template-columns:repeat(3,1fr);gap:0;background:var(--surface);border:1px solid var(--border)}
.pt-card{padding:28px 24px;border-right:1px solid var(--border);position:relative}
.pt-card:last-child{border-right:none}
.pt-featured{background:var(--text);color:#fff}
.pt-badge{font-family:var(--font-mono);font-size:10px;font-weight:600;letter-spacing:.08em;color:var(--accent);margin-bottom:8px}
.pt-name{font-family:var(--font-heading);font-size:17px;font-weight:700;margin-bottom:6px}
.pt-featured .pt-name{color:#fff}
.pt-price{font-family:var(--font-mono);font-size:28px;font-weight:700;color:var(--accent-dark);line-height:1;margin-bottom:6px}
.pt-featured .pt-price{color:#fff}
.pt-price span{font-size:14px;font-weight:400;color:var(--muted)}
.pt-featured .pt-price span{color:rgba(255,255,255,.6)}
.pt-feat{font-size:13px;color:var(--text-2)}
.pt-featured .pt-feat{color:rgba(255,255,255,.75)}
@media(max-width:600px){.pricing-teaser{grid-template-columns:1fr}}

/* ─────────── Testimonials (empty state) ─────────── */
.testimonials{
  background:var(--surface);border:1px solid var(--border);
  padding:36px;
}
.test-empty{
  background:var(--bg);border:1px dashed var(--border);
  padding:32px;
  display:grid;grid-template-columns:auto 1fr;gap:24px;align-items:start;
}
.test-empty .ico{
  width:48px;height:48px;color:var(--accent);
  display:flex;align-items:center;justify-content:center;
}
.test-empty .ico svg{width:48px;height:48px;stroke-width:1.25}
.test-empty h4{
  font-family:var(--font-heading);font-size:20px;font-weight:600;letter-spacing:-.01em;
  margin-bottom:10px;color:var(--text);
}
.test-empty p{font-size:14.5px;color:var(--text-2);line-height:1.6;margin-bottom:16px;max-width:560px}
.test-empty .promo{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 12px;background:var(--accent-soft);
  border:1px dashed var(--accent);font-family:var(--font-mono);
  font-size:12.5px;color:var(--accent-dark);font-weight:600;
  margin-right:12px;cursor:pointer;
  transition:background .15s;
}
.test-empty .promo:hover{background:#ffd9c5}
.test-empty .promo .copy-ico{width:11px;height:11px;opacity:.6}
.test-empty .actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.test-empty .feedback-link{
  font-family:var(--font-mono);font-size:13px;color:var(--text);
  border-bottom:1px solid var(--text);padding-bottom:1px;
  transition:color .15s,border-color .15s;
}
.test-empty .feedback-link:hover{color:var(--accent-dark);border-color:var(--accent-dark)}

.test-clients{
  margin-top:24px;padding-top:24px;border-top:1px solid var(--border-soft);
}
.test-clients .label{
  font-family:var(--font-mono);font-size:11px;color:var(--muted);
  letter-spacing:.05em;margin-bottom:12px;
}
.test-clients ul{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.test-clients li{
  font-family:var(--font-mono);font-size:13px;color:var(--text-2);
  padding:8px 12px;background:var(--bg);border:1px solid var(--border-soft);
  display:flex;align-items:flex-start;gap:8px;
}
.test-clients li::before{content:"·";color:var(--accent);font-weight:700;flex-shrink:0}

/* ─────────── FAQ ─────────── */
.faq{background:var(--surface);border:1px solid var(--border)}
.faq-row{border-bottom:1px solid var(--border-soft);display:grid;grid-template-columns:60px 1fr}
.faq-row:last-child{border-bottom:none}
.faq-num{
  background:var(--head-bg);color:var(--muted);
  font-family:var(--font-mono);font-size:11px;
  display:flex;align-items:center;justify-content:center;
  border-right:1px solid var(--border-soft);
}
.faq-q{
  width:100%;text-align:left;padding:22px 24px;
  font-family:var(--font-heading);font-weight:500;font-size:17px;letter-spacing:-.01em;
  display:flex;justify-content:space-between;align-items:center;gap:20px;
  color:var(--text);
}
.faq-q .plus{
  font-family:var(--font-mono);font-size:22px;color:var(--accent);
  transition:transform .2s;flex-shrink:0;font-weight:400;
}
.faq-row.open .plus{transform:rotate(45deg)}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .3s,padding .3s;
  font-size:15px;color:var(--text-2);line-height:1.65;padding:0 24px;
}
.faq-row.open .faq-a{max-height:400px;padding:0 24px 22px}

/* ─────────── Final CTA ─────────── */
.final{
  background:var(--text);color:#fff;margin-top:80px;
  padding:88px 32px;text-align:center;position:relative;overflow:hidden;
}
.final::before{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:44px 44px;
}
.final-inner{position:relative;max-width:720px;margin:0 auto}
.final .kicker{color:rgba(255,255,255,.5);margin-bottom:24px;justify-content:center}
.final .kicker::before{background:var(--accent)}
.final h2{
  font-family:var(--font-heading);font-size:clamp(34px,5vw,52px);font-weight:700;
  line-height:1.05;letter-spacing:-.025em;margin-bottom:18px;color:#fff;
}
.final h2 em{font-style:normal;color:#ffb493}
.final p{color:rgba(255,255,255,.7);margin-bottom:30px;font-size:16px}
.final .actions{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}
.final .cta{background:var(--accent);color:#fff;border-color:var(--accent);padding:14px 22px;font-size:14.5px}
.final .cta:hover{background:#ff5a17;border-color:#ff5a17}
.final .cta.outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.25)}
.final .cta.outline:hover{border-color:#fff}

/* ─────────── Footer ─────────── */
footer{
  background:var(--bg);padding:40px 32px 32px;
  border-top:1px solid var(--border);
  display:grid;grid-template-columns:1fr auto;gap:24px;align-items:start;
  font-size:13px;color:var(--muted);
}
footer .brand-line{margin-bottom:10px}
footer .tag{font-family:var(--font-mono);font-size:11.5px;color:var(--muted);max-width:420px;line-height:1.6}
.foot-links{display:flex;gap:22px;flex-wrap:wrap;align-items:center}
.foot-links a{color:var(--text-2);transition:color .15s}
.foot-links a:hover{color:var(--accent-dark)}

/* ═════════ Responsive ═════════ */
@media (max-width:1000px){
  .hero{grid-template-columns:1fr;gap:40px}
  .pricing{grid-template-columns:1fr}
  .price-info{border-right:none;border-bottom:1px solid var(--border)}
}
@media (max-width:768px){
  .nav{padding:12px 18px}
  .nav-links{display:none}
  .nav-links.open{display:flex;position:fixed;inset:56px 0 0;background:var(--surface);flex-direction:column;padding:30px 20px;gap:24px;font-size:17px;z-index:99}
  .nav-toggle{display:flex}
  main{overflow-x:clip}
  .hero{padding:32px 18px 40px}
  .hero h1{font-size:clamp(28px,7vw,40px)}
  .hero .subheader{font-size:18px}
  .hero-meta{flex-wrap:wrap}
  .hero-meta .cell{min-width:50%;border-bottom:1px solid var(--border-soft);border-right:1px solid var(--border-soft)}
  .hero-meta .cell:nth-child(2n){border-right:none}
  .hero-meta .cell:nth-last-child(-n+2){border-bottom:none}
  .demo-frame{box-shadow:8px 8px 0 -1px rgba(10,10,10,.03), 8px 8px 0 0 var(--border);max-width:100%}
  .sec{padding:48px 18px;overflow:hidden}
  .sec-head{grid-template-columns:1fr;gap:12px;align-items:start;margin-bottom:24px}
  .pipeline{grid-template-columns:1fr}
  .step{border-right:none;border-bottom:1px solid var(--border)}
  .step:last-child{border-bottom:none}
  .step::after{right:50%;top:auto;bottom:-11px;transform:translateX(50%) rotate(90deg)}
  .examples{overflow-x:auto;-webkit-overflow-scrolling:touch}
  .examples .head,.ex-row{grid-template-columns:28px 70px 170px 1.4fr;font-size:11px;min-width:560px}
  .ex-row > div{padding:16px 10px}
  .ex-row .out{font-size:13px}
  .aud-grid{grid-template-columns:1fr}
  .aud{border-right:none;border-bottom:1px solid var(--border);min-height:auto}
  .aud:last-child{border-bottom:none}
  .calc{padding:24px 18px}
  .price-info{padding:24px 18px}
  .test-empty{grid-template-columns:1fr;padding:24px;gap:16px}
  .test-clients ul{grid-template-columns:1fr}
  .testimonials{padding:20px}
  .result-preview{padding:20px;gap:16px}
  .mini-table{font-size:11.5px;min-width:480px}
  .mini-table th,.mini-table td{padding:8px 10px}
  .mini-table .out-cell .clamp{font-size:12px}
  .final{padding:56px 18px;margin-top:48px}
  footer{grid-template-columns:1fr;padding:32px 18px}
  .mkt-dropdown{min-width:240px;max-width:calc(100vw - 40px);right:14px!important;left:auto!important}
  .formula-bar{overflow-x:auto;-webkit-overflow-scrolling:touch}
  .formula-bar > span:last-child{white-space:nowrap}
}
@media (max-width:380px){
  .hero{padding:24px 14px 32px}
  .sec{padding:40px 14px}
  .sec-head{margin-bottom:20px}
  .demo-action{padding:8px 10px}
  .demo-action .controls{width:100%;justify-content:space-between}
}