/* ============================================================
   StockSpeak — Apple-rules design system
   Applied strictly from the HIG + apple.com language:
   1 typeface · tracking tightens with size · hero ≤600 weight ·
   body 17px · footnote 12px · canvas #f5f5f7 · black theater ·
   980px pills · 44px targets · thin translucent nav ·
   120px section rhythm · sosumi legal · subtle reveals only.
   ============================================================ */
:root{
  --ink:#1d1d1f;
  --ink-soft:#424245;
  --paper:#ffffff;
  --canvas:#f5f5f7;
  --card:#ffffff;
  --muted:#6e6e73;
  --line:#e5e5ea;
  --line-strong:#c7c7cc;
  --accent:#0a6e3f;
  --accent-ink:#045c34;
  --lime:#d8ff3e;
  --green:#173c31;
  --green-900:#0f2b22;
  --success:#1d7a3d; --success-bg:#e9f4dc; --success-border:#b9d48a;
  --danger:#a02020; --danger-strong:#7c1616; --danger-bg:#fbe7e7; --danger-border:#d98a8a;
  --info:#1d3a8f; --info-bg:#eef3ff; --info-border:#a9bde0;
  --warning:#8a7a1d; --warning-bg:#faf3d7; --warning-border:#d9c95e;
  --focus-ring:#0a6e3f; --focus-ring-on-dark:#d8ff3e;
  --radius-sm:10px; --radius-md:14px; --radius-lg:18px; --radius-xl:22px; --radius-pill:980px;
  --shadow-sm:0 1px 2px rgba(0,0,0,.05);
  --shadow-md:0 8px 24px rgba(0,0,0,.08);
  --shadow-lg:0 24px 64px rgba(0,0,0,.12);
  --shadow-console:0 32px 80px rgba(0,0,0,.45),0 4px 16px rgba(0,0,0,.3);
  --shadow-pop:0 12px 32px rgba(0,0,0,.28);
  --ease:cubic-bezier(.2,.7,.2,1);
  --dur-1:120ms; --dur-2:200ms; --dur-3:320ms; --dur-reveal:700ms;
  --max:980px;
  --max-wide:1200px;
  --font:-apple-system,BlinkMacSystemFont,"SF Pro Text","SF Pro Display","Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --font-mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:var(--font);font-size:17px;line-height:1.47;font-weight:400;
  overflow-x:hidden;-webkit-text-size-adjust:100%;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
h1,h2,h3{margin:0 0 16px;font-weight:600;line-height:1.08;letter-spacing:-.022em}
h1{font-size:clamp(48px,7vw,88px);letter-spacing:-.035em;line-height:1.04}
h2{font-size:clamp(32px,4.4vw,52px);letter-spacing:-.028em;line-height:1.08}
h3{font-size:21px;letter-spacing:-.018em;line-height:1.25}
p{margin:0 0 12px}
a{color:inherit}
img,svg{max-width:100%}
::selection{background:var(--lime);color:#000}
:focus-visible{outline:3px solid var(--focus-ring);outline-offset:3px;border-radius:6px}
.tabular,.metric-num,.audit-meta,.erp-time{font-variant-numeric:tabular-nums}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
section[id]{scroll-margin-top:64px}
.demo{min-width:0}
.field-qty{min-width:0}
.stat{min-width:0}
.ba-messy{background:transparent}
.ba-clean{background:transparent}
.sr-only{position:absolute !important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.skip-link{position:absolute;left:12px;top:-48px;z-index:200;background:var(--ink);color:#fff;font-weight:600;font-size:15px;padding:10px 18px;border-radius:var(--radius-pill);text-decoration:none}
.skip-link:focus{top:12px;color:#fff}
sup{font-size:.68em}
sup a{text-decoration:none}

/* ---------- Reveal (subtle, single axis — HIG motion) ---------- */
.reveal{opacity:0;transform:translateY(24px);transition:opacity var(--dur-reveal) var(--ease),transform var(--dur-reveal) var(--ease)}
.reveal.revealed{opacity:1;transform:none}

/* ---------- Thin global nav ---------- */
.site-header{position:sticky;top:0;z-index:50;min-height:48px;display:flex;align-items:center;background:rgba(255,255,255,.72);backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px);border-bottom:1px solid rgba(0,0,0,.08)}
.header-inner{max-width:1024px;margin:0 auto;padding:0 24px;width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand{display:flex;align-items:center;gap:8px;text-decoration:none;font-weight:700;font-size:17px;letter-spacing:-.02em;min-height:44px}
.brand-mark{width:26px;height:26px;display:inline-flex;align-items:center;justify-content:center;background:var(--ink);color:var(--lime);font-style:italic;font-weight:800;border-radius:7px;font-size:1rem}
.brand-mark-sm{width:22px;height:22px;font-size:.85rem}
.brand-name{letter-spacing:-.02em}
.site-nav{display:flex;align-items:center;gap:2px}
.nav-link{text-decoration:none;font-size:12px;font-weight:400;min-height:44px;display:inline-flex;align-items:center;padding:0 11px;color:var(--ink);opacity:.85}
.nav-link:hover{opacity:1}
.theme-toggle{border:1px solid var(--line-strong);background:transparent;color:var(--ink);width:44px;height:44px;border-radius:50%;font-size:15px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;flex:none;margin-left:4px}
.nav-cta{background:var(--ink);color:#fff;text-decoration:none;font-weight:500;font-size:12px;padding:7px 16px;border-radius:var(--radius-pill);min-height:32px;display:inline-flex;align-items:center;margin-left:8px}
.nav-cta:hover{background:#333}

/* ---------- Hero: type carries the page ---------- */
.hero{padding:120px 0 80px;text-align:center}
.hero-center{max-width:880px}
.product-label{font-size:21px;font-weight:600;color:var(--ink-soft);margin:0 0 8px;letter-spacing:-.01em}
.product-label::before{content:"";display:inline-block;width:9px;height:9px;border-radius:50%;background:var(--success);margin-right:10px;vertical-align:2px}
.hero .lede{font-size:clamp(20px,2.6vw,28px);line-height:1.4;letter-spacing:-.01em;color:var(--ink-soft);max-width:720px;margin:16px auto 24px;font-weight:400}
.hero-links{display:flex;gap:28px;justify-content:center;flex-wrap:wrap;margin-bottom:20px}
.text-link{color:var(--accent-ink);text-decoration:none;font-size:19px;font-weight:400}
.text-link:hover{text-decoration:underline}
.platform-line{font-size:14px;color:var(--muted)}
.btn-primary{background:var(--accent-ink);color:#fff;font-weight:500;text-decoration:none;padding:12px 28px;border-radius:var(--radius-pill);font-size:17px;min-height:48px;display:inline-flex;align-items:center;border:1px solid var(--accent-ink)}
.btn-primary:hover{background:var(--accent)}

/* ---------- Black theater: the product is the image ---------- */
.theater{background:#000;color:#f5f5f7;padding:120px 0}
.theater-narrow{max-width:980px}
.theater-title{color:#fff;text-align:center}
.theater-sub{text-align:center;color:#a1a1a6;font-size:clamp(18px,2.2vw,24px);max-width:680px;margin:0 auto 56px}
.theater-sub a,.theater sup a{color:#a1a1a6}
.console{background:#101314;border:1px solid #2c2c2e;border-radius:var(--radius-xl);box-shadow:var(--shadow-console);padding:32px;min-width:0;color:#f5f5f7}
.console-head{display:flex;justify-content:space-between;gap:12px;align-items:flex-start;padding-bottom:16px;border-bottom:1px solid #2c2c2e}
.console-kicker{font-size:12px;font-weight:700;letter-spacing:.12em;color:#86868b;margin:0 0 4px;text-transform:uppercase}
.console-title{font-size:24px;margin:0;color:#fff}
.connected-badge{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:500;border:1px solid #2c2c2e;border-radius:var(--radius-pill);padding:9px 14px;background:#1a1d1f;color:#e8e8ed;white-space:nowrap;min-height:44px}
.green-dot{width:9px;height:9px;border-radius:50%;background:#30d158;flex:none}
.demo-flag{font-size:13px;color:#c7c7cc;background:#1a1d1f;border:1px dashed #48484a;border-radius:var(--radius-sm);padding:9px 12px;margin:14px 0}
.erp-sim{font-size:13px;color:#86868b;margin:10px 0 0}
.theater .erp-sim{color:#86868b}

/* Tabs */
.txn-tabs{display:flex;gap:8px;overflow-x:auto;margin:2px 0 14px;padding:4px 2px 8px;scrollbar-width:thin;-webkit-overflow-scrolling:touch}
.txn-tab{flex:1 0 auto;border:1px solid #38383a;background:#1a1d1f;color:#e8e8ed;border-radius:var(--radius-pill);padding:11px 18px;font-size:15px;font-weight:500;cursor:pointer;white-space:nowrap;min-height:44px;min-width:44px;transition:all var(--dur-2) var(--ease)}
.txn-tab.active{background:#f5f5f7;color:#000;border-color:#f5f5f7}

/* Steps */
.steps-bar{display:flex;align-items:center;gap:8px;margin:12px 0 4px;justify-content:center}
.steps-bar .step{display:inline-flex;align-items:center;gap:6px}
.step-dot{width:32px;height:8px;border-radius:var(--radius-pill);background:#38383a;border:1px solid #48484a;transition:all var(--dur-2) var(--ease)}
.step-dot.done{background:var(--lime);border-color:var(--lime)}
.step-dot.active{background:#fff;border-color:#fff;width:48px}
.step-text{font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:#86868b}
.step-sep{color:#48484a;font-weight:700}

/* Voice panel */
.voice-panel{background:linear-gradient(180deg,#1e4f40 0%,var(--green) 55%,var(--green-900) 100%);color:#f2f6ef;border:1px solid #0c211b;border-radius:var(--radius-lg);padding:28px 20px;text-align:center;margin-bottom:14px;position:relative;overflow:hidden}
.voice-panel::before{content:"";position:absolute;inset:0;pointer-events:none;background:radial-gradient(120% 60% at 50% -10%,rgba(216,255,62,.14),transparent 60%)}
.voice-panel > *{position:relative}
.wave{display:flex;align-items:flex-end;justify-content:center;gap:6px;height:44px;margin-bottom:10px}
.wave span{width:6px;background:var(--lime);border-radius:3px;height:12px;display:block;transform-origin:bottom}
.wave span:nth-child(1){height:14px}.wave span:nth-child(2){height:26px}.wave span:nth-child(3){height:38px}.wave span:nth-child(4){height:22px}.wave span:nth-child(5){height:32px}.wave span:nth-child(6){height:18px}.wave span:nth-child(7){height:28px}
.voice-panel.listening{border-color:var(--lime);animation:listen-glow 1.6s ease-in-out infinite}
.voice-panel.listening .wave span{animation:wave .8s ease-in-out infinite alternate}
.voice-panel.listening .wave span:nth-child(2){animation-delay:.1s}.voice-panel.listening .wave span:nth-child(3){animation-delay:.2s}.voice-panel.listening .wave span:nth-child(4){animation-delay:.05s}.voice-panel.listening .wave span:nth-child(5){animation-delay:.25s}.voice-panel.listening .wave span:nth-child(6){animation-delay:.15s}.voice-panel.listening .wave span:nth-child(7){animation-delay:.3s}
@keyframes wave{from{transform:scaleY(.5)}to{transform:scaleY(1.4)}}
@keyframes listen-glow{0%,100%{box-shadow:0 0 0 0 rgba(216,255,62,0)}50%{box-shadow:0 0 0 6px rgba(216,255,62,.16)}}
.voice-instruction{font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:#d7e4d3;margin:0 0 8px}
.transcript{font-size:28px;line-height:1.25;margin:0 0 14px;color:#fff;font-weight:600;letter-spacing:-.01em}
.mic-btn{background:var(--lime);color:#000;border:none;border-radius:var(--radius-pill);padding:15px 34px;font-weight:600;font-size:17px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:52px;min-width:44px;transition:filter var(--dur-2) var(--ease),transform var(--dur-1) var(--ease)}
.mic-btn:hover{filter:brightness(.94)}
.mic-btn:active{transform:scale(.96)}
.voice-panel.listening .mic-btn{animation:mic-pulse 1.4s ease-out infinite}
@keyframes mic-pulse{0%{box-shadow:0 0 0 0 rgba(216,255,62,.55)}70%{box-shadow:0 0 0 14px rgba(216,255,62,0)}100%{box-shadow:0 0 0 0 rgba(216,255,62,0)}}
.voice-panel :focus-visible{outline-color:var(--focus-ring-on-dark)}
.mic-icon{font-size:1.1rem;line-height:1}
.voice-hint{font-size:17px;font-weight:500;color:#fff;margin:12px 0 4px;min-height:1.4em}
.voice-support{font-size:14px;color:#a7b8a5;margin:0}
fieldset.voice-opts{border:0;border-top:1px solid rgba(255,255,255,.16);margin:12px 0 0;padding:12px 0 0}
fieldset.voice-opts legend{padding:0}
.voice-opts{display:flex;flex-wrap:wrap;gap:8px 16px;justify-content:center;align-items:center}
.opt{font-size:14px;font-weight:400;color:#e6efdf;display:inline-flex;align-items:center;gap:6px;min-height:44px}
.opt select{font-size:15px;padding:7px 10px;border-radius:8px;border:1px solid rgba(255,255,255,.3);background:#0f2b22;color:#fff;min-height:44px;max-width:11rem}
.opt-check input{width:20px;height:20px;accent-color:var(--lime);flex:none}
.opt-sub{font-weight:400;color:#c3d2c1}
.field .opt-sub{color:var(--muted)}

/* Examples */
.examples{display:flex;gap:10px;align-items:center;margin:0 0 14px}
.examples-label{font-size:12px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:#86868b;flex:none}
.examples-row{display:flex;gap:8px;overflow-x:auto;padding:4px 2px;flex:1;-webkit-overflow-scrolling:touch;scrollbar-width:thin}
.chip{flex:none;border:1px solid #38383a;background:#1a1d1f;color:#e8e8ed;border-radius:var(--radius-pill);padding:11px 18px;font-size:15px;font-weight:400;cursor:pointer;white-space:nowrap;min-height:44px;transition:all var(--dur-2) var(--ease)}
.chip:hover{border-color:#86868b}
.chip:active{transform:scale(.95)}

/* Form */
.txn-form{display:grid;grid-template-columns:1.4fr .7fr .9fr 1fr;grid-auto-flow:row;gap:12px;padding:18px 0;border-top:1px solid #2c2c2e;border-bottom:1px solid #2c2c2e}
.field{display:flex;flex-direction:column;min-width:0}
.field label{font-size:12px;font-weight:600;color:#86868b;margin-bottom:6px}
.field .btn-label{display:block}
.field input,.field select{font-size:17px;padding:12px 14px;border:1px solid #48484a;border-radius:var(--radius-sm);background:#1a1d1f;color:#fff;min-height:50px;width:100%;transition:border-color var(--dur-2) var(--ease),box-shadow var(--dur-2) var(--ease)}
.field input::placeholder{color:#6e6e73}
.field input:focus,.field select:focus{border-color:var(--lime);box-shadow:0 0 0 3px rgba(216,255,62,.2);outline:none}
.field input[aria-invalid="true"]{border-color:#ff6961}
.field-hint{font-size:13px;color:#30d158;margin:6px 0 0;min-height:1em}
#itemHint,#qtyHint,#unitHint{color:#86868b}
.barcode-row{display:flex;gap:8px}
.barcode-row input{flex:1;min-width:0}
.mini-btn{border:1px solid #86868b;background:transparent;color:#fff;border-radius:var(--radius-sm);padding:10px 16px;font-weight:500;font-size:15px;cursor:pointer;min-height:50px;min-width:44px;white-space:nowrap;display:inline-flex;align-items:center;justify-content:center;transition:all var(--dur-2) var(--ease)}
.mini-btn:hover{background:#f5f5f7;color:#000;border-color:#f5f5f7}
.mini-btn:active{transform:scale(.95)}
.mini-btn:disabled{opacity:.6;cursor:wait}
.sync-btn{background:var(--lime);color:#000;border:1px solid var(--lime);border-radius:var(--radius-sm);padding:12px 16px;font-weight:600;font-size:17px;cursor:pointer;min-height:52px;min-width:44px;white-space:nowrap;display:inline-flex;align-items:center;justify-content:center;gap:8px;position:relative;transition:filter var(--dur-2) var(--ease),transform var(--dur-1) var(--ease)}
.sync-btn .arrow{color:#000}
.sync-btn:hover{filter:brightness(.94)}
.sync-btn:active{transform:scale(.97)}
.sync-btn:disabled{opacity:.7;cursor:wait}
.sync-btn.loading{pointer-events:none;color:transparent}
.sync-btn.loading .arrow{visibility:hidden}
.sync-btn.loading::after{content:"";position:absolute;width:20px;height:20px;border-radius:50%;border:3px solid rgba(0,0,0,.25);border-top-color:#000;animation:spin .7s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.spinner{width:20px;height:20px;border-radius:50%;display:inline-block;flex:none;border:3px solid rgba(0,0,0,.2);border-top-color:var(--accent);animation:spin .7s linear infinite}
.shortcuts{font-size:14px;color:#86868b;margin:12px 0 0}
.kbd{font-family:var(--font-mono);font-size:12px;border:1px solid #48484a;border-bottom-width:2px;border-radius:6px;background:#1a1d1f;padding:2px 7px;white-space:nowrap;color:#e8e8ed}
.error-summary{border:1px solid #ff6961;background:rgba(255,105,97,.12);color:#ff9d97;border-radius:var(--radius-md);padding:12px 16px;margin-top:14px;font-size:15px}
.error-summary p{margin:0 0 6px;font-weight:600}
.error-summary ul{margin:6px 0 0;padding-left:20px}

/* Lookup / validation / ERP / outbox (theater) */
.lookup-card{display:flex;gap:12px;align-items:center;background:#1a1d1f;border:1px solid #38383a;border-radius:var(--radius-md);padding:12px 16px;margin-top:14px}
.lookup-card[hidden]{display:none}
.lookup-icon{background:var(--accent);color:#fff;width:28px;height:28px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;font-weight:900;flex:none}
.lookup-answer{margin:0;font-weight:500;color:#fff}
.validation{display:flex;align-items:center;gap:12px;background:#14231a;border:1px solid #2d5a3d;border-radius:var(--radius-md);padding:14px 16px;margin-top:14px}
.valid-icon{background:#30d158;color:#000;width:28px;height:28px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;font-weight:900;flex:none}
.valid-text{flex:1;min-width:0}
.valid-main{font-weight:600;margin:0;font-size:17px;color:#fff}
.valid-sub{margin:2px 0 0;color:#a7b8a5;font-size:15px}
.valid-conf{font-size:14px;font-weight:700;color:#30d158;white-space:nowrap;font-variant-numeric:tabular-nums}
.validation.blocked{background:#2c1a1a;border-color:#7c2d2d}
.validation.blocked .valid-icon{background:#ff6961}
.validation.blocked .valid-sub{color:#e8a09b}
.validation.blocked .valid-conf{color:#ff6961}
.erp-activity{margin-top:14px;border-top:1px solid #2c2c2e;padding-top:14px}
.erp-head{display:flex;justify-content:space-between;align-items:baseline;gap:8px;margin-bottom:10px}
.erp-head h3{font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:#86868b;margin:0}
.erp-head p{font-size:15px;font-weight:600;margin:0;color:#e8e8ed;font-variant-numeric:tabular-nums}
.erp-event{display:flex;gap:12px;align-items:center;border:1px solid #2c2c2e;border-radius:var(--radius-md);padding:14px 16px;background:#1a1d1f}
.erp-icon{background:var(--lime);color:#000;width:36px;height:36px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;font-weight:900;flex:none}
.erp-title{font-weight:600;margin:0;color:#fff}
.erp-details{margin:2px 0 0;color:#a7b8a5;font-size:15px}
.erp-time{margin-left:auto;font-size:14px;color:#86868b;white-space:nowrap;font-variant-numeric:tabular-nums}
.badge{display:inline-flex;align-items:center;gap:6px;font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;border-radius:var(--radius-pill);padding:5px 11px;border:1px solid #48484a;white-space:nowrap;background:transparent;color:#86868b}
.badge::before{content:"";width:8px;height:8px;border-radius:50%;background:currentColor;flex:none}
.badge-posted,.badge.posted{color:#30d158;border-color:#2d5a3d}
.badge-blocked,.badge.blocked{color:#ff6961;border-color:#7c2d2d}
.badge-queued,.badge.queued{color:#e8c547;border-color:#5c4f0e}
.badge-pending,.badge.pending,.badge.draft{color:#c7c7cc;border-color:#48484a}
.outbox-card{margin-top:14px;border:1px dashed #48484a;border-radius:var(--radius-md);padding:12px 16px;background:transparent}
.outbox-card[hidden]{display:none}
.outbox-list{list-style:none;margin:8px 0 0;padding:0;display:flex;flex-direction:column;gap:8px}
.outbox-item{display:flex;align-items:center;gap:10px;justify-content:space-between;font-size:15px;border:1px solid #2c2c2e;border-radius:var(--radius-sm);padding:10px 12px;background:#1a1d1f;color:#e8e8ed;min-height:44px}
.empty-state{border:1px dashed #48484a;border-radius:var(--radius-md);padding:24px 16px;text-align:center;color:#86868b;background:transparent}
p.empty-state{border:1px dashed #48484a}

/* ---------- Statements: scale, not decoration ---------- */
.stats{background:var(--paper);padding:120px 0;border-bottom:1px solid var(--line)}
.stats .wrap{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;text-align:center}
.stat-num{font-size:clamp(56px,7vw,96px);font-weight:700;letter-spacing:-.04em;line-height:1;margin:0}
.stat-label{font-size:17px;color:var(--ink-soft);margin:8px 0 0}
.stat-label a{color:var(--muted);text-decoration:none}

/* ---------- Before / after on canvas (no inner cards per rule — canvas is the surface) ---------- */
.ba{padding:120px 0;background:var(--canvas)}
.ba-narrow{max-width:980px}
.ba h2,.ba .demo-note{text-align:center}
.ba-grid{display:grid;grid-template-columns:1fr 1fr;gap:0;margin-top:48px;border-top:1px solid var(--line-strong);border-bottom:1px solid var(--line-strong)}
.ba-card{padding:48px 40px}
.ba-card + .ba-card{border-left:1px solid var(--line-strong)}
.ba-tag{font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin:0 0 16px}
.ba-text{font-size:24px;line-height:1.4;letter-spacing:-.01em;color:var(--ink-soft);margin:0}
.ba-record{margin:0}
.ba-code{font-family:var(--font-mono);font-size:14px;color:var(--accent-ink);margin:0 0 8px}
.ba-line{font-size:24px;letter-spacing:-.01em;margin:0 0 8px}
.ba-audit{font-size:14px;color:var(--muted);margin:0;font-variant-numeric:tabular-nums}
.demo-note{font-size:14px;color:var(--muted);margin-top:32px}
.demo-note a{color:var(--muted)}

/* ---------- Sections: 120px rhythm, narrow copy ---------- */
.how{padding:120px 0}
.section-label{font-size:17px;font-weight:600;color:var(--accent-ink);margin:0 0 8px;letter-spacing:-.01em}
.how h2,.feats h2,.uses h2,.shift h2,.faq h2{text-align:left}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:48px}
.step-num{font-size:15px;font-weight:700;color:var(--muted);margin:0 0 12px}
.step p:last-child{color:var(--ink-soft);margin-bottom:0;font-size:17px}
.feats{padding:120px 0;background:var(--canvas)}
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:48px}
.feat{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:32px;transition:box-shadow var(--dur-2) var(--ease),transform var(--dur-2) var(--ease)}
.feat:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}
.feat p{color:var(--ink-soft);margin:0;font-size:17px}
.uses{padding:120px 0}
.use-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:48px}
.use{background:var(--canvas);border-radius:var(--radius-lg);padding:32px}
.use-no{font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin:0 0 12px}
.use p:nth-child(3){color:var(--ink-soft)}
.use-ex{font-size:19px;margin:16px 0 0;color:var(--accent-ink);font-weight:500;letter-spacing:-.01em}

/* ---------- Shift ---------- */
.shift{padding:120px 0;background:var(--canvas)}
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:48px}
.metric{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:28px;min-width:0}
.metric-num{font-size:48px;font-weight:700;margin:0;letter-spacing:-.03em;line-height:1.1;font-variant-numeric:tabular-nums}
.metric-label{margin:8px 0 0;color:var(--muted);font-size:15px}
.metric-bar{height:6px;border-radius:var(--radius-pill);background:#ececf0;margin-top:16px;overflow:hidden}
.metric-bar > span{display:block;height:100%;width:0;border-radius:inherit;background:var(--accent);transition:width var(--dur-3) var(--ease)}
.audit-wrap{margin-top:24px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:28px}
.audit-head{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
.audit-head h3{margin:0;font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.audit-actions{display:flex;gap:8px;flex-wrap:wrap}
.audit-filter{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}
button.audit-filter{border:1px solid var(--line);background:var(--card);border-radius:var(--radius-pill);padding:10px 20px;font-size:15px;cursor:pointer;min-height:44px;color:var(--ink-soft);margin-top:0;transition:all var(--dur-2) var(--ease);font-family:var(--font)}
button.audit-filter:hover{border-color:var(--ink)}
button.audit-filter.active,button.audit-filter[aria-pressed="true"]{background:var(--ink);color:#fff;border-color:var(--ink)}
.audit-list{list-style:none;margin:16px 0 0;padding:0;display:flex;flex-direction:column;gap:8px;max-height:340px;overflow:auto;scrollbar-width:thin}
.audit-item{border:1px solid var(--line);border-left-width:4px;border-radius:var(--radius-sm);padding:10px 14px;background:var(--canvas);display:flex;flex-direction:column;gap:2px}
.audit-posted{border-left-color:var(--success)}
.audit-blocked{border-left-color:var(--danger)}
.audit-other{border-left-color:var(--warning-border)}
.audit-main{font-weight:600;font-size:15px;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.audit-meta{font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}
.audit-empty{color:var(--muted);font-size:15px}

/* ---------- Integration / FAQ / CTA ---------- */
.integration{padding:120px 0}
.int-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start}
.int-desc{font-size:21px;color:var(--ink-soft);max-width:30rem}
.int-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--line-strong);border-left:1px solid var(--line-strong)}
.int-list li{padding:24px;border-right:1px solid var(--line-strong);border-bottom:1px solid var(--line-strong);font-weight:500;font-size:17px;min-height:44px;display:flex;align-items:center}
.int-note{font-size:14px;color:var(--muted)}
.int-note a{color:var(--muted)}
.faq{padding:120px 0;background:var(--canvas)}
.faq-narrow{max-width:820px}
.qa{border-top:1px solid var(--line-strong);background:transparent}
.qa:last-of-type{border-bottom:1px solid var(--line-strong)}
.qa summary{cursor:pointer;font-weight:500;font-size:19px;letter-spacing:-.01em;padding:24px 8px;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:12px;min-height:56px}
.qa summary::-webkit-details-marker{display:none}
.qa summary::after{content:"+";font-size:24px;font-weight:300;color:var(--muted);flex:none;transition:transform var(--dur-2) var(--ease)}
.qa[open] summary::after{transform:rotate(45deg)}
.qa p{padding:0 8px 28px;margin:0;color:var(--ink-soft);font-size:17px;max-width:640px}
.pilot-wrap{padding:140px 0;text-align:center}
.pilot-wrap .lede{font-size:clamp(20px,2.6vw,28px);color:var(--ink-soft);max-width:640px;margin:16px auto 32px}

/* ---------- Footer: directory + sosumi ---------- */
.site-footer{background:var(--canvas);padding:32px 0 24px;font-size:13px;color:var(--muted)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;padding-bottom:24px;border-bottom:1px solid var(--line-strong)}
.footer-brand{font-weight:700;margin:0 0 8px;display:flex;align-items:center;gap:8px;color:var(--ink);font-size:15px}
.footer-brand-col{min-width:0}
.footer-tag{font-size:13px}
.footer-head{font-size:13px;font-weight:600;color:var(--ink);margin:0 0 8px}
.footer-col{display:flex;flex-direction:column;align-items:flex-start}
.footer-col a{text-decoration:none;font-size:13px;padding:5px 0;min-height:32px;display:inline-flex;align-items:center;color:var(--ink-soft)}
.footer-col a:hover{text-decoration:underline}
.sosumi{padding-top:16px}
.sosumi p{font-size:12px;color:var(--muted);margin:0 0 8px}
.footer-copy{margin-top:12px}

/* ---------- Toast ---------- */
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);background:rgba(20,20,22,.94);color:#fff;font-weight:500;font-size:15px;padding:13px 22px;border-radius:var(--radius-sm);box-shadow:var(--shadow-pop);z-index:100;max-width:min(92vw,560px);text-align:center;min-height:44px;display:flex;align-items:center;justify-content:center;backdrop-filter:blur(8px)}
.toast:not([hidden]){animation:toast-in var(--dur-3) var(--ease)}
.toast[hidden]{display:none}
@keyframes toast-in{from{opacity:0;transform:translate(-50%,12px)}to{opacity:1;transform:translate(-50%,0)}}

/* ---------- Responsive: adaptive, mobile-first ---------- */
@media(max-width:1024px){
  .steps,.feat-grid,.use-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .txn-form{grid-template-columns:1fr 1fr}
  .field-btn{grid-column:1/-1;position:sticky;bottom:12px;z-index:5}
  .field-btn .btn-label{display:none}
  .field-btn .sync-btn{width:100%}
}
@media(max-width:760px){
  .nav-link{display:none}
  .hero{padding:80px 0 64px}
  .stats{padding:80px 0}
  .stats .wrap{grid-template-columns:1fr;gap:40px}
  .ba,.how,.feats,.uses,.shift,.integration,.faq{padding:80px 0}
  .pilot-wrap{padding:100px 0}
  .steps,.feat-grid,.use-grid{grid-template-columns:1fr}
  .metric-grid{grid-template-columns:1fr 1fr}
  .int-grid{grid-template-columns:1fr;gap:32px}
  .console{padding:20px}
  .console-head{flex-direction:column}
  .connected-badge{align-self:flex-start}
  .footer-grid{grid-template-columns:1fr}
  .ba-grid{grid-template-columns:1fr}
  .ba-card{padding:32px 24px}
  .ba-card + .ba-card{border-left:none;border-top:1px solid var(--line-strong)}
  .hero-links{flex-direction:column;align-items:center}
}
@media(max-width:480px){
  .wrap{padding:0 20px}
  .header-inner{padding:0 16px}
  .txn-form{grid-template-columns:1fr}
  .metric-grid{grid-template-columns:1fr}
  .transcript{font-size:22px}
  .voice-panel{padding:20px 14px}
  .audit-wrap{padding:20px}
}

/* ---------- Dark theme (semantic, auto-adapts) ---------- */
body.theme-dark,body[data-theme="dark"]{
  --paper:#000000;--canvas:#1d1d1f;--card:#1d1d1f;--ink:#f5f5f7;--ink-soft:#c7c7cc;
  --muted:#98989d;--line:#2c2c2e;--line-strong:#48484a;--focus-ring:#d8ff3e;
  background:var(--paper);color:var(--ink);
}
body.theme-dark .site-header,body[data-theme="dark"] .site-header{background:rgba(0,0,0,.72);border-color:rgba(255,255,255,.12)}
body.theme-dark .nav-link,body[data-theme="dark"] .nav-link{color:#f5f5f7}
body.theme-dark .nav-cta,body[data-theme="dark"] .nav-cta{background:var(--lime);color:#000}
body.theme-dark .hero .lede,body[data-theme="dark"] .hero .lede{color:#c7c7cc}
body.theme-dark .text-link,body[data-theme="dark"] .text-link{color:#7ddba3}
body.theme-dark .ba-text,body[data-theme="dark"] .ba-text{color:#e8e8ed}
body.theme-dark .stat-label,body[data-theme="dark"] .stat-label{color:#c7c7cc}
body.theme-dark .step p:last-child,body[data-theme="dark"] .step p:last-child,
body.theme-dark .feat p,body[data-theme="dark"] .feat p,
body.theme-dark .use p:nth-child(3),body[data-theme="dark"] .use p:nth-child(3),
body.theme-dark .int-desc,body[data-theme="dark"] .int-desc,
body.theme-dark .qa p,body[data-theme="dark"] .qa p{color:#c7c7cc}
body.theme-dark .field .opt-sub,body[data-theme="dark"] .field .opt-sub,
body.theme-dark #itemHint,body[data-theme="dark"] #itemHint,
body.theme-dark #qtyHint,body[data-theme="dark"] #qtyHint,
body.theme-dark #unitHint,body[data-theme="dark"] #unitHint{color:#98989d}
body.theme-dark .mini-btn,body[data-theme="dark"] .mini-btn{color:#fff;border-color:#86868b}
body.theme-dark .mini-btn:hover,body[data-theme="dark"] .mini-btn:hover{background:#f5f5f7;color:#000;border-color:#f5f5f7}
body.theme-dark .qa summary:hover,body[data-theme="dark"] .qa summary:hover{background:#1d1d1f}
body.theme-dark .kbd,body[data-theme="dark"] .kbd{background:#1a1d1f}
body.theme-dark .sosumi p,body[data-theme="dark"] .sosumi p{color:#86868b}

/* ---------- Print ---------- */
@media print{
  body{background:#fff;color:#000}
  .site-header,.voice-panel,.txn-form,.examples,.txn-tabs,.toast,.hero-links,.theme-toggle,.shortcuts,.skip-link{display:none !important}
  .hero,.theater,.stats,.ba,.how,.feats,.uses,.shift,.integration,.faq,.pilot-wrap{padding:24px 0}
  .theater{background:#fff;color:#000}
  .theater-title,.console-title,.valid-main,.lookup-answer,.erp-title{color:#000}
  .console{box-shadow:none;border:1px solid #000;color:#000}
  .audit-wrap{box-shadow:none}
  .audit-list{max-height:none;overflow:visible}
  .audit-item{break-inside:avoid;border-color:#000}
  .demo-flag,.erp-sim{display:block !important;color:#000;border-color:#000}
  .reveal{opacity:1;transform:none}
}

/* ---------- Reduced motion: motion is subtle or off ---------- */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  .voice-panel.listening,.voice-panel.listening .mic-btn{animation:none}
  .voice-panel.listening .wave span{animation:none}
  .toast:not([hidden]){animation:none}
  .sync-btn.loading::after,.spinner{animation:none}
  *,*::before,*::after{transition:none !important;animation-duration:.001s !important}
}