/* ==========================================================================
   BSF — Business Operating System
   Design system: "BSF Brand" — light professional, slate header,
   orange CTA accent, steel-blue brand color from the hexagonal globe logo.
   ========================================================================== */

:root{
  /* backgrounds */
  --bg:        #F4F5F7;
  --panel:     #FFFFFF;
  --panel-2:   #ECEEF2;
  --panel-3:   #E2E5EC;

  /* nav / footer (dark slate) */
  --nav-bg:    #2D3340;
  --foot-bg:   #1E2330;

  /* borders */
  --border:    #DDE0E8;
  --border-2:  #B8BDC9;

  /* text */
  --text:      #1E2330;
  --text-dim:  #5A6475;
  --muted:     #8A93A6;
  --muted-2:   #B0B8C8;

  /* accents */
  --amber:     #E8720C;
  --amber-dim: rgba(232,114,12,.14);
  --amber-glow:#F5892A;
  --teal:      #2B5BAD;
  --teal-dim:  #1A3F80;
  --red:       #D93025;

  /* fonts */
  --font-display: 'Montserrat', sans-serif;
  --font-body:    'Montserrat', sans-serif;
  --font-mono:    'Montserrat', monospace;

  --container: 1180px;
  --radius:    14px;
  --radius-sm: 8px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:600;margin:0;letter-spacing:-0.01em;}
p{margin:0;}
button{font-family:inherit;cursor:pointer;}

.container{max-width:var(--container);margin:0 auto;padding:0 28px;}

@media (prefers-reduced-motion: reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important;}
}

/* ---------- hero background (light hex pattern) ---------- */
.grid-bg{position:relative;}
.grid-bg::before{
  content:"";
  position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(43,91,173,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(43,91,173,.04) 1px, transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:linear-gradient(180deg, black, transparent 85%);
  mask-image:linear-gradient(180deg, black, transparent 85%);
  pointer-events:none;
}

/* ---------- eyebrow / mono labels ---------- */
.eyebrow{
  font-family:var(--font-mono);
  font-size:12.5px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--amber);
  display:inline-flex;
  align-items:center;
  gap:8px;
}
.eyebrow::before{
  content:"";
  width:7px;height:7px;
  background:var(--amber);
  border-radius:1px;
  display:inline-block;
}
.eyebrow.teal{color:var(--teal);}
.eyebrow.teal::before{background:var(--teal);}
.eyebrow.muted{color:var(--muted);}
.eyebrow.muted::before{background:var(--muted-2);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:13px 26px;
  border-radius:9px;
  font-family:var(--font-body);
  font-weight:600;
  font-size:15px;
  border:1.5px solid transparent;
  transition:transform .15s ease, background .15s ease, border-color .15s ease, color .15s ease;
  white-space:nowrap;
}
.btn:hover{transform:translateY(-1px);}
.btn-primary{background:var(--amber);color:#fff;}
.btn-primary:hover{background:var(--amber-glow);}
.btn-ghost{
  background:transparent;
  border-color:var(--border-2);
  color:var(--text);
}
.btn-ghost:hover{border-color:var(--teal);color:var(--teal);}
.btn-block{width:100%;}
.btn-sm{padding:9px 18px;font-size:13.5px;}

.cta-row{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- header (dark slate) ---------- */
header.site{
  position:sticky;top:0;z-index:100;
  background:var(--nav-bg);
  border-bottom:1px solid rgba(255,255,255,.07);
}
.nav-wrap{
  display:flex;align-items:center;justify-content:space-between;
  height:68px;
}

/* logo */
.logo{
  display:flex;align-items:center;gap:10px;
  color:#fff;
}
.logo-img-wrap{
  width:40px;height:40px;flex-shrink:0;
  background:#fff;
  border-radius:7px;
  display:flex;align-items:center;justify-content:center;
  overflow:hidden;
  padding:3px;
}
.logo-img{
  width:100%;height:100%;
  object-fit:contain;
  display:block;
}

/* nav links */
nav.main{display:flex;gap:2px;align-items:center;}
nav.main a{
  font-size:13.5px;color:rgba(255,255,255,.65);
  padding:9px 12px;border-radius:7px;
  transition:color .15s, background .15s;
}
nav.main a:hover{color:#fff;background:rgba(255,255,255,.07);}
nav.main a.active{color:var(--amber);}

.nav-cta{display:flex;align-items:center;gap:12px;}
.menu-toggle{display:none;background:none;border:none;color:#fff;font-size:24px;}

/* lang switcher */
.lang-switcher{display:flex;align-items:center;gap:2px;border:1px solid rgba(255,255,255,.15);border-radius:7px;padding:3px;}
.lang-link{font-family:var(--font-mono);font-size:11px;padding:5px 9px;border-radius:5px;color:rgba(255,255,255,.45);}
.lang-link:hover{color:#fff;}
.lang-link.active{background:rgba(255,255,255,.1);color:var(--amber);}

@media (max-width:980px){
  nav.main{display:none;}
  .menu-toggle{display:block;}
  .nav-cta .btn-ghost{display:none;}
  .nav-cta .lang-switcher{display:none;}
}

/* mobile nav drawer */
#mobileNav{
  display:none;
  position:fixed;inset:68px 0 0 0;
  background:var(--nav-bg);
  z-index:99;
  overflow-y:auto;
  border-top:1px solid rgba(255,255,255,.07);
}
#mobileNav.open{display:block;}
#mobileNav .container{padding-top:18px;padding-bottom:40px;}
#mobileNav a{
  display:block;padding:16px 4px;
  border-bottom:1px solid rgba(255,255,255,.07);
  font-family:var(--font-display);font-size:19px;color:rgba(255,255,255,.75);
}
#mobileNav a.active{color:var(--amber);}

/* ---------- footer (dark) ---------- */
footer.site{
  background:var(--foot-bg);
  border-top:none;
  padding:64px 0 32px;
  margin-top:0;
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;
  padding-bottom:40px;
}
.footer-col h4{font-size:12px;color:rgba(255,255,255,.35);font-family:var(--font-mono);text-transform:uppercase;letter-spacing:.1em;margin-bottom:18px;font-weight:500;}
.footer-col a, .footer-col p{display:block;color:rgba(255,255,255,.55);font-size:14px;margin-bottom:11px;}
.footer-col a:hover{color:var(--amber);}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;
  padding-top:28px;border-top:1px solid rgba(255,255,255,.07);
  font-size:13px;color:rgba(255,255,255,.3);flex-wrap:wrap;gap:12px;
}
@media (max-width:860px){.footer-grid{grid-template-columns:1fr 1fr;}}

/* ---------- hero ---------- */
.hero{
  padding:90px 0 72px;
  position:relative;overflow:hidden;
  background:var(--panel);
  border-bottom:1px solid var(--border);
}
.hero h1{font-size:clamp(32px,4.8vw,58px);line-height:1.08;margin:20px 0 20px;max-width:860px;color:var(--text);}
.hero .lead{font-size:18px;color:var(--text-dim);max-width:580px;margin-bottom:36px;}
.hero-stats{display:flex;gap:36px;margin-top:56px;flex-wrap:wrap;border-top:1px solid var(--border);padding-top:36px;}
.stat{min-width:120px;max-width:150px;}
.stat .num{font-family:var(--font-mono);font-size:32px;color:var(--teal);font-weight:700;}
.stat .label{font-size:13px;color:var(--muted);margin-top:6px;}

/* ---------- sections ---------- */
section{padding:88px 0;}
.section-head{max-width:680px;margin-bottom:52px;}
.section-head h2{font-size:clamp(24px,3.2vw,40px);margin-top:16px;line-height:1.14;color:var(--text);}
.section-head .lead{color:var(--text-dim);font-size:17px;margin-top:16px;}
.section-tight{padding-top:0;}
.bordered-top{border-top:1px solid var(--border);}
.panel-section{background:var(--panel);}

/* ---------- cards ---------- */
.grid{display:grid;gap:18px;}
.grid-2{grid-template-columns:repeat(2,1fr);}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}
@media (max-width:920px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr 1fr;}}
@media (max-width:640px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}}

.card{
  background:var(--panel);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:28px;
  transition:border-color .15s, transform .15s, box-shadow .15s;
}
.card:hover{border-color:var(--border-2);box-shadow:0 4px 18px rgba(0,0,0,.06);}
.card .icon{
  width:40px;height:40px;border-radius:9px;
  background:var(--panel-2);
  display:flex;align-items:center;justify-content:center;
  font-size:18px;margin-bottom:18px;
}
.card h3{font-size:17px;margin-bottom:9px;color:var(--text);}
.card p{color:var(--text-dim);font-size:14px;}

.card.problem{border-color:rgba(217,48,37,.15);background:#FEF9F8;}
.card.problem .icon{background:rgba(217,48,37,.08);}

.card.module{cursor:pointer;}
.card.module .num{font-family:var(--font-mono);color:var(--muted-2);font-size:12.5px;}
.card.module h3{margin-top:12px;font-size:18px;}
.card.module .arrow{margin-top:16px;color:var(--amber);font-size:13px;font-family:var(--font-mono);opacity:0;transition:opacity .15s, transform .15s;}
.card.module:hover .arrow{opacity:1;transform:translateX(3px);}
.card.module:hover{border-color:var(--amber);}

/* ---------- process steps ---------- */
.process{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
@media (max-width:920px){.process{grid-template-columns:1fr 1fr;}}
@media (max-width:640px){.process{grid-template-columns:1fr;}}
.process .step{
  border:1px solid var(--border);border-radius:var(--radius);
  padding:26px;background:var(--panel);
}
.process .step .n{font-family:var(--font-mono);font-size:12px;color:var(--amber);}
.process .step h3{font-size:17px;margin:12px 0 5px;color:var(--text);}
.process .step .dur{font-family:var(--font-mono);font-size:12px;color:var(--muted);margin-bottom:14px;display:block;}
.process .step ul li{font-size:13.5px;color:var(--text-dim);padding:5px 0;padding-left:14px;position:relative;}
.process .step ul li::before{content:"—";position:absolute;left:0;color:var(--muted-2);}

/* ---------- management cycle loop diagram ---------- */
.loop-diagram{
  display:flex;align-items:center;justify-content:space-between;
  flex-wrap:wrap;gap:0;
  border:1px solid var(--border);
  border-radius:var(--radius);
  background:var(--nav-bg);
  padding:32px 24px;
}
.loop-node{
  display:flex;flex-direction:column;align-items:center;text-align:center;
  flex:1;min-width:100px;padding:8px;
}
.loop-node .dot{
  width:48px;height:48px;border-radius:50%;
  border:1.5px solid rgba(255,255,255,.15);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-mono);font-size:11.5px;color:rgba(176,188,204,1);
  margin-bottom:10px;background:rgba(255,255,255,.05);
}
.loop-node.owner .dot{border-color:var(--amber);color:var(--amber);}
.loop-node .label{font-size:13px;font-weight:600;color:#fff;}
.loop-node .sub{font-size:11px;color:rgba(255,255,255,.4);margin-top:3px;}
.loop-arrow{color:rgba(255,255,255,.2);font-size:18px;padding:0 2px;align-self:center;}
@media (max-width:860px){
  .loop-diagram{flex-direction:column;}
  .loop-arrow{transform:rotate(90deg);padding:6px 0;}
}

/* ---------- maturity levels ---------- */
.levels{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;}
@media (max-width:920px){.levels{grid-template-columns:1fr 1fr;}}
@media (max-width:640px){.levels{grid-template-columns:1fr;}}
.level-card{
  border:1px solid var(--border);border-radius:var(--radius);
  padding:24px;background:var(--panel);
}
.level-card.lvl-1{border-top:3px solid var(--muted-2);}
.level-card.lvl-2{border-top:3px solid #5B9BD5;}
.level-card.lvl-3{border-top:3px solid var(--teal);}
.level-card.lvl-4{border-top:3px solid var(--amber);}
.level-card .n{font-family:var(--font-mono);font-size:12px;color:var(--muted);}
.level-card h3{font-size:19px;margin:9px 0 3px;color:var(--text);}
.level-card .dur{font-family:var(--font-mono);font-size:12px;color:var(--muted);margin-bottom:14px;display:block;}
.level-card ul li{font-size:13px;color:var(--text-dim);padding:4px 0;}

/* ---------- before / after ---------- */
.before-after{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
@media (max-width:760px){.before-after{grid-template-columns:1fr;}}
.ba-col{border-radius:var(--radius);padding:30px;border:1px solid var(--border);}
.ba-col.before{background:var(--panel);}
.ba-col.after{background:linear-gradient(160deg,rgba(232,114,12,.07),var(--panel));border-color:rgba(232,114,12,.3);}
.ba-col h4{font-family:var(--font-mono);font-size:12.5px;text-transform:uppercase;letter-spacing:.08em;margin-bottom:16px;color:var(--muted);}
.ba-col.after h4{color:var(--amber);}
.ba-col li{padding:8px 0;border-bottom:1px solid var(--border);font-size:14px;color:var(--text-dim);}
.ba-col li:last-child{border-bottom:none;}

/* ---------- founder ---------- */
.founder-card{
  display:grid;grid-template-columns:220px 1fr;gap:40px;
  border:1px solid var(--border);border-radius:var(--radius);
  padding:34px;background:var(--panel);align-items:start;
}
@media (max-width:760px){.founder-card{grid-template-columns:1fr;}}
.founder-photo{
  width:100%;aspect-ratio:1;border-radius:var(--radius-sm);
  background:linear-gradient(145deg,#D8E4F5,#C2D4EE);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-display);font-size:40px;color:var(--teal);
  border:1px solid var(--border);
}

/* ---------- comparison table ---------- */
.compare-table{width:100%;border-collapse:collapse;}
.compare-table th,.compare-table td{padding:15px 17px;text-align:left;border-bottom:1px solid var(--border);font-size:14px;}
.compare-table th{font-family:var(--font-mono);font-size:11.5px;text-transform:uppercase;color:var(--muted);letter-spacing:.06em;font-weight:500;background:var(--panel-2);}
.compare-table td.no{color:var(--muted);}
.compare-table td.yes{color:var(--teal);font-weight:500;}
.compare-table tr:last-child td{background:linear-gradient(90deg,rgba(43,91,173,.05),transparent);}

/* ---------- case cards ---------- */
.case-card{border:1px solid var(--border);border-radius:var(--radius);background:var(--panel);overflow:hidden;}
.case-head{padding:28px 28px 0;}
.case-head .industry{font-family:var(--font-mono);font-size:11.5px;color:var(--teal);text-transform:uppercase;letter-spacing:.06em;}
.case-head h3{font-size:21px;margin:9px 0 16px;color:var(--text);}
.case-stats{display:flex;gap:0;border-top:1px solid var(--border);margin-top:22px;}
.case-stats .cs{flex:1;padding:18px 22px;border-right:1px solid var(--border);}
.case-stats .cs:last-child{border-right:none;}
.case-stats .cs .num{font-family:var(--font-mono);font-size:21px;color:var(--amber);font-weight:700;}
.case-stats .cs .lbl{font-size:11.5px;color:var(--muted);margin-top:4px;}
.case-body{padding:22px 28px 28px;font-size:14px;color:var(--text-dim);}

/* ---------- forms ---------- */
.form-panel{
  border:1px solid var(--border);border-radius:var(--radius);
  padding:38px;background:var(--panel);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px;}
@media (max-width:600px){.form-row{grid-template-columns:1fr;}}
.field label{display:block;font-size:12px;color:var(--muted);margin-bottom:6px;font-family:var(--font-mono);text-transform:uppercase;letter-spacing:.05em;}
.field input,.field select,.field textarea{
  width:100%;background:var(--panel-2);
  border:1.5px solid var(--border);border-radius:8px;
  padding:12px 14px;color:var(--text);font-size:14px;font-family:inherit;
}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--teal);}
.field{margin-bottom:16px;}
.form-note{font-size:12px;color:var(--muted-2);margin-top:12px;}

/* ---------- CTA band ---------- */
.cta-band{
  border-top:1px solid var(--border);
  padding:72px 0;
  background:var(--nav-bg);
}
.cta-band .cta-band{padding:0;}
.cta-band h2{font-size:clamp(24px,3.4vw,38px);margin-bottom:16px;color:#fff;}
.cta-band p{color:rgba(255,255,255,.55);max-width:500px;margin:0 auto 30px;font-size:16px;}
.cta-band .cta-row{justify-content:center;}
.cta-band .btn-ghost{border-color:rgba(255,255,255,.25);color:rgba(255,255,255,.7);}
.cta-band .btn-ghost:hover{border-color:#fff;color:#fff;}
.cta-band .eyebrow{color:rgba(255,255,255,.4);}
.cta-band .eyebrow::before{background:rgba(255,255,255,.3);}

/* ---------- page kicker ---------- */
.page-kicker{padding:100px 0 0;background:var(--panel);border-bottom:1px solid var(--border);}
.crumb{font-family:var(--font-mono);font-size:12px;color:var(--muted-2);margin-bottom:18px;}
.crumb a:hover{color:var(--amber);}

/* ---------- misc utilities ---------- */
.divider{height:1px;background:var(--border);margin:0;}
.tag-pill{
  display:inline-block;font-family:var(--font-mono);font-size:12px;
  padding:5px 12px;border:1px solid var(--border-2);border-radius:20px;color:var(--muted);
  background:transparent;
}
button.tag-pill{background:transparent;}
button.tag-pill.active-filter{border-color:var(--amber);color:var(--amber);background:var(--amber-dim);}

.center{text-align:center;}
.mt-8{margin-top:8px;}
.mt-16{margin-top:16px;}
.mt-24{margin-top:24px;}
.mt-40{margin-top:40px;}
.mt-64{margin-top:64px;}

.list-check li{padding:8px 0 8px 26px;position:relative;font-size:14px;color:var(--text-dim);}
.list-check li::before{content:"✓";position:absolute;left:0;color:var(--teal);font-weight:700;}
.list-x li{padding:8px 0 8px 26px;position:relative;font-size:14px;color:var(--muted);}
.list-x li::before{content:"✕";position:absolute;left:0;color:var(--red);}

.two-col{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
@media (max-width:860px){.two-col{grid-template-columns:1fr;gap:32px;}}

.score-meter{border:1px solid var(--border);border-radius:var(--radius);padding:34px;background:var(--panel);}
.score-bar{height:13px;border-radius:7px;overflow:hidden;display:flex;margin:22px 0 12px;border:1px solid var(--border);}
.score-bar span{display:block;height:100%;}
.score-bar .seg1{background:var(--panel-3);width:25%;}
.score-bar .seg2{background:#5B9BD5;width:25%;}
.score-bar .seg3{background:var(--teal);width:25%;}
.score-bar .seg4{background:var(--amber);width:25%;}
.score-labels{display:flex;justify-content:space-between;font-family:var(--font-mono);font-size:11px;color:var(--muted);}

.role-card{border:1px solid var(--border);border-radius:var(--radius);padding:26px;background:var(--panel);}
.role-card .emoji{font-size:24px;margin-bottom:14px;display:block;}
.role-card h3{font-size:17px;margin-bottom:4px;color:var(--text);}
.role-card .role-sub{font-size:13px;color:var(--muted);margin-bottom:14px;}
.role-card .quote{margin-top:14px;padding-top:14px;border-top:1px solid var(--border);font-size:13px;color:var(--amber);font-family:var(--font-mono);}

.anchor-offset{scroll-margin-top:90px;}
.fade-in{opacity:1;}

/* ---------- language dropdown ---------- */
.lang-dropdown-wrap{
  position:relative;
  display:flex;align-items:center;
}
.lang-dropdown{
  appearance:none;-webkit-appearance:none;
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.15);
  border-radius:7px;
  color:rgba(255,255,255,.75);
  font-family:var(--font-mono);
  font-size:12px;
  padding:6px 28px 6px 10px;
  cursor:pointer;
  outline:none;
  transition:border-color .15s, background .15s;
}
.lang-dropdown:hover,.lang-dropdown:focus{
  border-color:rgba(255,255,255,.35);
  background:rgba(255,255,255,.12);
  color:#fff;
}
.lang-dropdown option{
  background:#2D3340;
  color:#fff;
  font-size:13px;
}
.lang-caret{
  position:absolute;right:8px;
  pointer-events:none;
  color:rgba(255,255,255,.45);
  font-size:10px;
  line-height:1;
}

/* AI Partner nav link highlight */
nav.main a.nav-ai{color:var(--amber);font-weight:600;}
nav.main a.nav-ai:hover{color:var(--amber-glow);background:var(--amber-dim);}
#mobileNav a.nav-ai{color:var(--amber);}

/* AI Partner page — hero gradient */
.ai-hero{
  padding:90px 0 72px;
  background:linear-gradient(160deg, #1E2330 0%, #2D3340 50%, #1A2744 100%);
  position:relative;overflow:hidden;
}
.ai-hero::before{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(43,91,173,.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(43,91,173,.12) 1px, transparent 1px);
  background-size:56px 56px;
  -webkit-mask-image:linear-gradient(180deg, black, transparent 90%);
  mask-image:linear-gradient(180deg, black, transparent 90%);
}
.ai-hero h1{font-size:clamp(30px,4.6vw,56px);line-height:1.08;margin:20px 0 18px;color:#fff;max-width:800px;}
.ai-hero .lead{font-size:17px;color:rgba(255,255,255,.65);max-width:560px;margin-bottom:0;}
.ai-taglines{display:flex;flex-direction:column;gap:10px;margin:28px 0 36px;}
.ai-tagline{font-size:18px;color:rgba(255,255,255,.5);}
.ai-tagline strong{color:#fff;font-weight:600;}
.ai-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(232,114,12,.15);border:1px solid rgba(232,114,12,.4);
  border-radius:20px;padding:6px 16px;
  font-family:var(--font-mono);font-size:12px;color:var(--amber);
  margin-bottom:20px;
}
.ai-badge::before{content:"✦";font-size:10px;}

/* AI flow chain */
.ai-flow{
  display:flex;flex-direction:column;align-items:center;gap:0;
  max-width:360px;margin:0 auto;
}
.ai-flow-node{
  width:100%;background:var(--panel);border:1px solid var(--border);
  border-radius:10px;padding:16px 22px;
  display:flex;align-items:center;gap:14px;
  transition:border-color .15s;
}
.ai-flow-node:hover{border-color:var(--teal);}
.ai-flow-node.highlight{
  border-color:var(--amber);
  background:linear-gradient(135deg,rgba(232,114,12,.07),var(--panel));
}
.ai-flow-node .fn-num{
  font-family:var(--font-mono);font-size:11px;color:var(--muted);
  min-width:20px;text-align:center;
}
.ai-flow-node .fn-label{font-size:15px;font-weight:600;color:var(--text);}
.ai-flow-node .fn-sub{font-size:12px;color:var(--text-dim);margin-top:2px;}
.ai-flow-node.highlight .fn-label{color:var(--amber);}
.ai-flow-arr{color:var(--border-2);font-size:18px;padding:4px 0;line-height:1;}

/* AI capabilities grid */
.ai-caps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}
@media (max-width:860px){.ai-caps{grid-template-columns:1fr 1fr;}}
@media (max-width:540px){.ai-caps{grid-template-columns:1fr;}}
.ai-cap{
  background:var(--panel);border:1px solid var(--border);border-radius:12px;
  padding:24px;transition:border-color .15s, box-shadow .15s;
}
.ai-cap:hover{border-color:var(--teal);box-shadow:0 4px 18px rgba(43,91,173,.08);}
.ai-cap .cap-icon{font-size:26px;margin-bottom:14px;}
.ai-cap h3{font-size:16px;font-weight:600;color:var(--text);margin-bottom:8px;}
.ai-cap ul li{font-size:13px;color:var(--text-dim);padding:3px 0;}

/* vs ChatGPT table */
.vs-table{width:100%;border-collapse:collapse;border-radius:12px;overflow:hidden;}
.vs-table th{
  padding:14px 20px;text-align:left;
  font-family:var(--font-mono);font-size:11.5px;text-transform:uppercase;
  letter-spacing:.06em;font-weight:500;
}
.vs-table th:first-child{background:var(--panel-2);color:var(--muted);}
.vs-table th:nth-child(2){background:#F0F2F7;color:var(--muted);}
.vs-table th:nth-child(3){background:linear-gradient(135deg,rgba(43,91,173,.12),rgba(43,91,173,.06));color:var(--teal);}
.vs-table td{padding:14px 20px;border-bottom:1px solid var(--border);font-size:14px;}
.vs-table td:first-child{color:var(--muted);font-size:13px;}
.vs-table td:nth-child(2){color:var(--text-dim);}
.vs-table td:nth-child(3){color:var(--teal);font-weight:500;}
.vs-table tr:last-child td{border-bottom:none;}