/* ============================================================
   Intelligent Leadership — marketing site
   Design language mirrors the product (lit-demo DESIGN_LANGUAGE.md)
   ============================================================ */

:root{
  --canvas:#F7F5F0; --canvas-2:#FAF8F3; --surface:#FFFFFF;
  --ink:#15161A; --ink-2:#3C3D45; --ink-3:#646670; --ink-4:#A8AAB4;
  --line:#E8E5DD; --line-soft:#F0EDE5;
  --navy:#2C3E66; --navy-700:#1F2D4D; --navy-900:#131C33; --navy-50:#EEF1F8; --navy-100:#DCE2EF;
  --terra:#C2502E; --terra-50:#FAEEE6; --terra-100:#F4DCD0;
  --sage:#5F7A4A; --sage-50:#EEF2E9; --sage-100:#D8E2CD;
  --amber:#B88842;
  --warm:#E6D2C8;
  --r-sm:6px; --r-md:8px; --r-lg:12px; --r-xl:16px; --r-2xl:20px;
  --shadow-xs:0 1px 2px rgba(28,25,18,.05);
  --shadow-sm:0 2px 8px rgba(28,25,18,.06);
  --shadow-md:0 8px 24px rgba(28,25,18,.09);
  --shadow-lg:0 16px 44px rgba(28,25,18,.12);
  --focus-ring:0 0 0 4px rgba(44,62,102,.10);
  --serif:'Instrument Serif',Georgia,serif;
  --sans:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  --mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--sans);font-size:15px;line-height:1.55;color:var(--ink);
  background:var(--canvas);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img,svg{max-width:100%;display:block}
a{color:var(--navy);text-decoration:none}
a:hover{text-decoration:underline;text-underline-offset:3px}
:focus-visible{outline:none;box-shadow:var(--focus-ring);border-radius:var(--r-sm)}
::selection{background:var(--navy-100)}

.wrap{max-width:1140px;margin:0 auto;padding:0 32px}
.wrap-narrow{max-width:860px;margin:0 auto;padding:0 32px}

/* ---------- type ---------- */
h1,h2,h3.serif,.serif{font-family:var(--serif);font-weight:400;letter-spacing:-0.02em;color:var(--ink)}
h1 em,h2 em,.serif em{font-style:italic;color:var(--navy)}
.eyebrow{
  font-family:var(--mono);font-size:13px;font-weight:500;text-transform:uppercase;
  letter-spacing:.09em;color:var(--ink-3);
}
.sub{font-size:17px;color:var(--ink-2);max-width:640px}
.microline{font-family:var(--mono);font-size:13px;letter-spacing:.07em;text-transform:uppercase;color:var(--ink-3)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  background:var(--navy);color:#FDFCF9;border:1.5px solid var(--navy);
  font-family:var(--sans);font-size:15px;font-weight:600;
  padding:14px 30px;border-radius:var(--r-lg);cursor:pointer;
  transition:background .16s ease,transform .16s ease,box-shadow .16s ease;
  min-height:48px;text-decoration:none;
}
.btn:hover{background:var(--navy-700);border-color:var(--navy-700);transform:translateY(-1px);box-shadow:var(--shadow-md);text-decoration:none}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  background:transparent;color:var(--ink-2);border:1.5px solid var(--line);
  font-size:15px;font-weight:600;padding:14px 30px;border-radius:var(--r-lg);
  cursor:pointer;transition:border-color .16s ease,color .16s ease,transform .16s ease;
  min-height:48px;text-decoration:none;
}
.btn-ghost:hover{border-color:var(--ink-3);color:var(--ink);transform:translateY(-1px);text-decoration:none}
.btn-light{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  background:#FDFCF9;color:var(--navy-900);border:1.5px solid #FDFCF9;
  font-size:15px;font-weight:600;padding:14px 30px;border-radius:var(--r-lg);
  cursor:pointer;min-height:48px;text-decoration:none;
  transition:transform .16s ease,box-shadow .16s ease;
}
.btn-light:hover{transform:translateY(-1px);box-shadow:0 8px 24px rgba(0,0,0,.28);text-decoration:none}
.btn-sm{padding:10px 20px;min-height:44px;font-size:14px}

/* ---------- announcement bar ---------- */
.announce{background:var(--navy-900);color:rgba(247,245,240,.88)}
.announce-inner{
  display:flex;align-items:center;justify-content:center;gap:14px;flex-wrap:wrap;
  padding:11px 32px;font-size:13.5px;
}
.announce .chip{
  font-family:var(--mono);font-size:13px;font-weight:600;letter-spacing:.08em;
  background:var(--amber);color:var(--navy-900);padding:3px 10px;border-radius:999px;
}
.announce a{color:#FDFCF9;font-weight:600;text-underline-offset:3px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,245,240,.86);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line-soft);
}
.nav{display:flex;align-items:center;gap:36px;padding:15px 32px;max-width:1220px;margin:0 auto}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none}
.brand:hover{text-decoration:none}
.brand-name{font-size:16.5px;font-weight:650;letter-spacing:-.015em;color:var(--ink)}
.nav-links{display:flex;align-items:center;gap:30px;margin-left:auto;list-style:none}
.nav-links a{font-size:15px;font-weight:500;color:var(--ink-2)}
.nav-links a:hover{color:var(--ink);text-decoration:none}
.nav-links a[aria-current="page"]{color:var(--navy);font-weight:600}
.nav-links a.btn,.nav-links a.btn:hover,.nav-links a.btn[aria-current="page"]{color:#FDFCF9}
.nav-cta{margin-left:6px}
.nav-toggle{
  display:none;margin-left:auto;background:none;border:1.5px solid var(--line);
  border-radius:var(--r-md);padding:10px;cursor:pointer;color:var(--ink-2);
  min-width:44px;min-height:44px;align-items:center;justify-content:center;
}

/* ---------- hero ---------- */
.hero{position:relative;padding:92px 0 56px;text-align:center;overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:-40% -20% auto;height:120%;pointer-events:none;
  background:radial-gradient(ellipse 60% 55% at 50% 38%,var(--navy-50) 0%,rgba(238,241,248,0) 68%);
}
.hero>*{position:relative}
.hero-pill{
  display:inline-flex;align-items:center;gap:10px;background:var(--surface);
  border:1px solid var(--line);border-radius:999px;padding:8px 18px 8px 9px;
  font-size:13.5px;color:var(--ink-2);box-shadow:var(--shadow-xs);margin-bottom:34px;
}
.hero-pill:hover{text-decoration:none;border-color:var(--navy-100);box-shadow:var(--shadow-sm)}
.hero-pill .chip{
  font-family:var(--mono);font-size:13px;font-weight:600;letter-spacing:.06em;
  background:var(--navy);color:#FDFCF9;padding:3px 10px;border-radius:999px;
}
.hero-pill strong{color:var(--ink);font-weight:600}
.hero h1{font-size:clamp(46px,7.2vw,86px);line-height:1.04}
.hero h1 .line-2{display:block;color:var(--navy)}
.hero .sub{margin:26px auto 0;font-size:18px;max-width:660px}
.hero-ctas{display:flex;gap:14px;justify-content:center;margin-top:36px;flex-wrap:wrap}
.hero .microline{margin-top:40px}

/* ---------- stats band ---------- */
.stats{padding:34px 0 8px}
.stats-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:20px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-2xl);
  padding:38px 40px 30px;box-shadow:var(--shadow-sm);
}
.stat{text-align:center;padding:0 10px}
.stat .num{font-family:var(--serif);font-size:52px;line-height:1;color:var(--navy)}
.stat .lbl{font-size:15px;color:var(--ink-2);margin-top:10px;max-width:26ch;margin-left:auto;margin-right:auto}
.stats-src{grid-column:1/-1;text-align:center;font-family:var(--mono);font-size:13px;letter-spacing:.05em;color:var(--ink-3);border-top:1px solid var(--line-soft);padding-top:16px;margin-top:8px}

/* ---------- sections ---------- */
.section{padding:88px 0}
.section-head{text-align:center;max-width:720px;margin:0 auto 56px}
.section-head h2{font-size:clamp(30px,4vw,42px);line-height:1.12;margin-top:14px}
.section-head .sub{margin:16px auto 0}
.section-alt{background:var(--canvas-2);border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft)}

/* ---------- layer groups ---------- */
.layer{margin-bottom:64px}
.layer:last-child{margin-bottom:0}
.layer-head{display:flex;align-items:baseline;gap:18px;margin-bottom:24px;flex-wrap:wrap}
.layer-tag{
  font-family:var(--mono);font-size:13px;font-weight:600;letter-spacing:.09em;
  padding:5px 13px;border-radius:999px;text-transform:uppercase;white-space:nowrap;
}
.layer-tag.t-navy{background:var(--navy-50);color:var(--navy)}
.layer-tag.t-sage{background:var(--sage-50);color:#4A6138}
.layer-tag.t-terra{background:var(--terra-50);color:#A8431F}
.layer-tag.t-amber{background:#F6EDDD;color:#8A6425}
.layer-q{font-family:var(--serif);font-size:26px;color:var(--ink)}
.card-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.card-grid.cols-3{grid-template-columns:repeat(3,1fr)}

/* ---------- feature cards ---------- */
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);
  padding:28px;box-shadow:var(--shadow-sm);
  transition:transform .16s ease,box-shadow .16s ease;
  display:flex;flex-direction:column;gap:14px;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.card h4{font-size:18px;font-weight:650;letter-spacing:-.01em;display:flex;align-items:center;gap:10px}
.card p{font-size:15px;color:var(--ink-2)}
.card ul{list-style:none;display:flex;flex-direction:column;gap:9px;margin-top:2px}
.card ul li{
  font-size:14.5px;color:var(--ink-2);padding-left:24px;position:relative;
}
.card ul li::before{
  content:"";position:absolute;left:2px;top:7px;width:12px;height:7px;
  border-left:2px solid var(--sage);border-bottom:2px solid var(--sage);
  transform:rotate(-45deg);
}
.card .roadmap-chip{
  font-family:var(--mono);font-size:13px;font-weight:600;letter-spacing:.07em;
  background:#F6EDDD;color:#8A6425;padding:3px 10px;border-radius:999px;text-transform:uppercase;
}
.card-icon{
  width:42px;height:42px;border-radius:var(--r-md);display:flex;align-items:center;justify-content:center;
  background:var(--navy-50);color:var(--navy);flex-shrink:0;
}

/* ---------- product vignettes (illustrative mock UI) ---------- */
.vig{
  background:var(--canvas-2);border:1px solid var(--line-soft);border-radius:var(--r-lg);
  padding:18px;display:flex;flex-direction:column;gap:10px;margin-top:auto;
}
.vig-row{display:flex;align-items:center;gap:12px}
.vig-name{font-size:13.5px;font-weight:600;color:var(--ink-2);width:118px;flex-shrink:0}
.vig-bars{display:flex;flex-direction:column;gap:5px;flex:1}
.vig-bar{height:7px;border-radius:999px;background:var(--navy-100);position:relative;overflow:hidden}
.vig-bar i{position:absolute;inset:0;border-radius:999px}
.vig-bar .self{background:var(--navy)}
.vig-bar .mgr{background:var(--terra)}
.vig-chip{
  font-family:var(--mono);font-size:13px;padding:3px 10px;border-radius:999px;white-space:nowrap;
}
.vig-chip.ok{background:var(--sage-50);color:#4A6138}
.vig-chip.talk{background:var(--terra-50);color:#A8431F}
.vig-chip.neutral{background:var(--navy-50);color:var(--navy)}
.vig-legend{display:flex;gap:16px;font-size:13px;color:var(--ink-3)}
.vig-legend span{display:inline-flex;align-items:center;gap:7px}
.vig-legend i{width:9px;height:9px;border-radius:999px;display:inline-block}
.vig-legend .dot-self{background:var(--navy)}
.vig-legend .dot-mgr{background:var(--terra)}
.vig-person{display:flex;align-items:center;gap:12px;background:var(--surface);border:1px solid var(--line-soft);border-radius:var(--r-md);padding:11px 14px}
.vig-avatar{
  width:30px;height:30px;border-radius:999px;background:var(--navy-100);color:var(--navy);
  font-size:13px;font-weight:600;display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.vig-person .who{font-size:13.5px;font-weight:600;color:var(--ink-2);flex:1}
.vig-person .when{font-family:var(--mono);font-size:13px;color:var(--ink-3)}
.vig-spark{width:100%;height:56px}
.vig-constructs{display:flex;gap:7px;flex-wrap:wrap}

/* ---------- co-pilot band ---------- */
.copilot{background:var(--navy-900);color:rgba(247,245,240,.88);position:relative;overflow:hidden}
.copilot::before{
  content:"";position:absolute;inset:auto -20% -60% -20%;height:120%;pointer-events:none;
  background:radial-gradient(ellipse 55% 50% at 50% 100%,rgba(44,62,102,.55) 0%,rgba(19,28,51,0) 70%);
}
.copilot .wrap{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.copilot .chip-new{
  font-family:var(--mono);font-size:13px;font-weight:600;letter-spacing:.08em;
  background:var(--warm);color:var(--navy-900);padding:4px 12px;border-radius:999px;text-transform:uppercase;
}
.copilot h2{font-size:clamp(30px,3.6vw,40px);color:#FDFCF9;margin-top:18px;line-height:1.12}
.copilot h2 em{color:var(--warm)}
.copilot .lead{font-size:16.5px;color:rgba(247,245,240,.82);margin-top:18px;max-width:52ch}
.copilot ul{list-style:none;margin-top:26px;display:flex;flex-direction:column;gap:12px}
.copilot ul li{padding-left:26px;position:relative;font-size:15px;color:rgba(247,245,240,.85)}
.copilot ul li::before{
  content:"";position:absolute;left:2px;top:7px;width:12px;height:7px;
  border-left:2px solid var(--warm);border-bottom:2px solid var(--warm);transform:rotate(-45deg);
}
.chat-card{
  background:var(--surface);border-radius:var(--r-2xl);padding:26px;box-shadow:var(--shadow-lg);
  display:flex;flex-direction:column;gap:14px;color:var(--ink);
}
.chat-title{display:flex;align-items:center;gap:10px;font-size:13.5px;font-weight:600;color:var(--ink-3);border-bottom:1px solid var(--line-soft);padding-bottom:14px}
.chat-title .dot{width:8px;height:8px;border-radius:999px;background:var(--sage)}
.bubble{border-radius:var(--r-lg);padding:14px 16px;font-size:14.5px;line-height:1.55;max-width:92%}
.bubble.user{background:var(--navy-50);color:var(--ink-2);align-self:flex-end;border-bottom-right-radius:4px}
.bubble.ai{background:var(--canvas-2);border:1px solid var(--line-soft);color:var(--ink-2);align-self:flex-start;border-bottom-left-radius:4px}
.bubble.ai strong{color:var(--ink)}
.src-row{display:flex;gap:8px;align-self:flex-start;flex-wrap:wrap}
.src-chip{
  font-family:var(--mono);font-size:13px;color:var(--navy);background:var(--navy-50);
  padding:3px 10px;border-radius:999px;
}

/* ---------- how it works ---------- */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;counter-reset:step}
.step{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);
  padding:24px 20px;box-shadow:var(--shadow-xs);position:relative;
}
.step .n{
  font-family:var(--serif);font-size:34px;color:var(--navy-100);line-height:1;
  position:absolute;top:18px;right:20px;
}
.step h4{font-size:16px;font-weight:650;margin-bottom:8px;color:var(--ink)}
.step p{font-size:14px;color:var(--ink-3)}
.step .stg{font-family:var(--mono);font-size:13px;letter-spacing:.07em;color:var(--ink-3);text-transform:uppercase;display:block;margin-bottom:10px}

/* ---------- principles grid ---------- */
.principles{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.principle{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);
  padding:26px;box-shadow:var(--shadow-xs);
}
.principle h4{font-size:16.5px;font-weight:650;display:flex;align-items:center;gap:11px;margin-bottom:10px}
.principle p{font-size:14.5px;color:var(--ink-2)}
.p-icon{
  width:36px;height:36px;border-radius:var(--r-md);background:var(--sage-50);color:var(--sage);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
}

/* ---------- FAQ ---------- */
.faq-list{max-width:820px;margin:0 auto;border-top:1px solid var(--line)}
.faq-list details{border-bottom:1px solid var(--line)}
.faq-list summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 6px;font-size:16.5px;font-weight:600;color:var(--ink);
}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary .ind{
  flex-shrink:0;width:28px;height:28px;border:1.5px solid var(--line);border-radius:999px;
  display:flex;align-items:center;justify-content:center;color:var(--ink-3);
  transition:transform .16s ease;font-weight:400;font-size:17px;
}
.faq-list details[open] summary .ind{transform:rotate(45deg);border-color:var(--navy);color:var(--navy)}
.faq-list .faq-a{padding:0 6px 24px;font-size:15px;color:var(--ink-2);max-width:66ch}
.faq-list .faq-a p+p{margin-top:10px}

/* ---------- CTA band ---------- */
.cta-band{
  background:linear-gradient(160deg,var(--navy) 0%,var(--navy-900) 78%);
  border-radius:var(--r-2xl);padding:64px 56px;color:rgba(247,245,240,.88);
  display:grid;grid-template-columns:1.2fr 1fr;gap:48px;align-items:center;
  box-shadow:var(--shadow-lg);
}
.cta-band h2{font-size:clamp(28px,3.4vw,38px);color:#FDFCF9;line-height:1.14}
.cta-band h2 em{color:var(--warm)}
.cta-band .lead{margin-top:14px;font-size:15.5px;color:rgba(247,245,240,.8)}
.cta-band ul{list-style:none;display:flex;flex-direction:column;gap:12px}
.cta-band ul li{padding-left:26px;position:relative;font-size:15px;color:rgba(247,245,240,.85)}
.cta-band ul li::before{
  content:"";position:absolute;left:2px;top:7px;width:12px;height:7px;
  border-left:2px solid var(--warm);border-bottom:2px solid var(--warm);transform:rotate(-45deg);
}
.cta-band .btn-row{margin-top:28px;display:flex;gap:14px;flex-wrap:wrap}

/* ---------- footer ---------- */
.site-footer{background:var(--canvas-2);border-top:1px solid var(--line-soft);padding:56px 0 36px;margin-top:88px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.footer-brand p{font-size:14px;color:var(--ink-3);margin-top:14px;max-width:34ch}
.footer-col h5{font-family:var(--mono);font-size:13px;font-weight:600;letter-spacing:.09em;text-transform:uppercase;color:var(--ink-3);margin-bottom:16px}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:14.5px;color:var(--ink-2)}
.footer-col a:hover{color:var(--navy)}
.footer-bottom{
  border-top:1px solid var(--line-soft);margin-top:44px;padding-top:24px;
  display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;
  font-size:13.5px;color:var(--ink-3);
}
.footer-bottom a{color:var(--ink-3);text-decoration:underline;text-underline-offset:3px}

/* ---------- interior page hero ---------- */
.page-hero{padding:76px 0 22px;text-align:center}
.page-hero h1{font-size:clamp(38px,5vw,58px);line-height:1.08;margin-top:14px}
.page-hero .sub{margin:18px auto 0}

/* ---------- platform page ---------- */
.deep{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding:56px 0;border-bottom:1px solid var(--line-soft)}
.deep:last-of-type{border-bottom:none}
.deep h3{font-family:var(--serif);font-size:30px;line-height:1.15;margin:14px 0 14px}
.deep p{color:var(--ink-2);font-size:15.5px}
.deep ul{list-style:none;margin-top:18px;display:flex;flex-direction:column;gap:11px}
.deep ul li{padding-left:26px;position:relative;font-size:15px;color:var(--ink-2)}
.deep ul li::before{
  content:"";position:absolute;left:2px;top:7px;width:12px;height:7px;
  border-left:2px solid var(--sage);border-bottom:2px solid var(--sage);transform:rotate(-45deg);
}
.deep .vig{margin-top:0}
.deep.flip .deep-copy{order:2}
.deep.flip .deep-visual{order:1}
.roles{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.role-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);padding:28px;box-shadow:var(--shadow-xs)}
.role-card .eyebrow{color:var(--navy)}
.role-card h4{font-family:var(--serif);font-size:22px;margin:12px 0 10px}
.role-card p{font-size:14.5px;color:var(--ink-2)}

/* ---------- approach page ---------- */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:28px}
.compare-card{border-radius:var(--r-xl);padding:26px;border:1px solid var(--line)}
.compare-card.bad{background:var(--surface)}
.compare-card.good{background:var(--sage-50);border-color:var(--sage-100)}
.compare-card .tag{font-family:var(--mono);font-size:13px;font-weight:600;letter-spacing:.08em;text-transform:uppercase}
.compare-card.bad .tag{color:#A8431F}
.compare-card.good .tag{color:#4A6138}
.compare-card p{margin-top:12px;font-size:15px;color:var(--ink-2)}
.never-list{list-style:none;display:flex;flex-direction:column;gap:14px;margin-top:24px}
.never-list li{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:18px 20px;font-size:15px;color:var(--ink-2);display:flex;gap:14px;align-items:flex-start;
}
.never-list li .x{
  flex-shrink:0;width:26px;height:26px;border-radius:999px;background:var(--terra-50);color:#A8431F;
  display:flex;align-items:center;justify-content:center;font-weight:600;font-size:14px;margin-top:1px;
}
.prose{font-size:16px;color:var(--ink-2);max-width:68ch}
.prose p+p{margin-top:16px}
.prose h3{font-family:var(--serif);font-size:28px;color:var(--ink);margin:44px 0 14px}
.prose strong{color:var(--ink)}

/* ---------- demo page ---------- */
.demo-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:56px;align-items:start;padding:24px 0 48px}
.demo-side h2{font-family:var(--serif);font-size:32px;line-height:1.15;margin-top:12px}
.demo-side .next{list-style:none;margin-top:28px;display:flex;flex-direction:column;gap:0}
.demo-side .next li{display:flex;gap:18px;padding:18px 0;border-bottom:1px solid var(--line-soft)}
.demo-side .next li:last-child{border-bottom:none}
.demo-side .next .n{
  font-family:var(--mono);font-size:13px;font-weight:600;color:var(--navy);
  width:34px;height:34px;border-radius:999px;background:var(--navy-50);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;margin-top:2px;
}
.demo-side .next h4{font-size:15.5px;font-weight:650;margin-bottom:4px}
.demo-side .next p{font-size:14.5px;color:var(--ink-3)}
.form-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-2xl);
  padding:36px;box-shadow:var(--shadow-md);
}
.form-card h3{font-size:19px;font-weight:650;margin-bottom:6px}
.form-card .form-sub{font-size:14.5px;color:var(--ink-3);margin-bottom:26px}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink-2);margin-bottom:7px}
.field label .opt{font-weight:400;color:var(--ink-3)}
.field input,.field select,.field textarea{
  width:100%;background:var(--canvas-2);border:1.5px solid var(--line);border-radius:var(--r-md);
  padding:13px 14px;font-family:var(--sans);font-size:15px;color:var(--ink);
  transition:border-color .16s ease,box-shadow .16s ease;min-height:48px;
}
.field textarea{min-height:110px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--navy);box-shadow:var(--focus-ring);background:var(--surface);
}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-card .btn{width:100%;margin-top:8px}
.form-note{font-size:13px;color:var(--ink-3);text-align:center;margin-top:14px}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form-status{display:none;border-radius:var(--r-lg);padding:16px 18px;font-size:14.5px;margin-top:18px}
.form-status.ok{display:block;background:var(--sage-50);border:1px solid var(--sage-100);color:#3E5230}
.form-status.err{display:block;background:var(--terra-50);border:1px solid var(--terra-100);color:#A8431F}
.form-status a{font-weight:600}
.pricing-note{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-2xl);
  padding:44px 48px;box-shadow:var(--shadow-sm);display:grid;grid-template-columns:1.1fr 1fr;gap:44px;align-items:center;
}
.pricing-note h3{font-family:var(--serif);font-size:30px;line-height:1.15}
.pricing-note p{font-size:15px;color:var(--ink-2);margin-top:14px}
.pricing-note ul{list-style:none;display:flex;flex-direction:column;gap:12px}
.pricing-note ul li{padding-left:26px;position:relative;font-size:15px;color:var(--ink-2)}
.pricing-note ul li::before{
  content:"";position:absolute;left:2px;top:7px;width:12px;height:7px;
  border-left:2px solid var(--sage);border-bottom:2px solid var(--sage);transform:rotate(-45deg);
}

/* ---------- legal / simple pages ---------- */
.legal{padding:40px 0 72px}
.legal h2{font-family:var(--serif);font-size:24px;margin:36px 0 12px}
.legal p,.legal li{font-size:15px;color:var(--ink-2)}
.legal ul{padding-left:22px;margin-top:8px;display:flex;flex-direction:column;gap:8px}
.legal .updated{font-family:var(--mono);font-size:13px;letter-spacing:.05em;color:var(--ink-3);text-transform:uppercase}

/* ---------- 404 ---------- */
.nf{min-height:60vh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:80px 32px}
.nf .code{font-family:var(--serif);font-size:110px;line-height:1;color:var(--navy-100)}
.nf h1{font-size:34px;margin-top:8px}
.nf p{color:var(--ink-3);margin-top:12px}
.nf .btn{margin-top:30px}

/* ---------- reveal animation ---------- */
@keyframes fadeUp{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}
.rv{opacity:0}
.rv.in{animation:fadeUp .6s ease-out forwards}
.rv.d1.in{animation-delay:.08s}
.rv.d2.in{animation-delay:.16s}
.rv.d3.in{animation-delay:.24s}

/* ---------- responsive ---------- */
@media (max-width:1020px){
  .card-grid,.card-grid.cols-3{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:repeat(3,1fr)}
  .principles{grid-template-columns:1fr 1fr}
  .copilot .wrap{grid-template-columns:1fr;gap:44px}
  .cta-band{grid-template-columns:1fr;padding:52px 40px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .deep{grid-template-columns:1fr;gap:32px}
  .deep.flip .deep-copy{order:1}
  .deep.flip .deep-visual{order:2}
  .demo-grid{grid-template-columns:1fr;gap:44px}
  .pricing-note{grid-template-columns:1fr;gap:28px;padding:36px}
}
@media (max-width:720px){
  .wrap,.wrap-narrow{padding:0 22px}
  .nav{padding:13px 20px;gap:18px}
  .nav-links{
    display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;
    align-items:stretch;gap:0;background:var(--canvas);border-bottom:1px solid var(--line);
    padding:10px 22px 20px;box-shadow:var(--shadow-md);
  }
  .nav-links.open{display:flex}
  .nav-links li{border-bottom:1px solid var(--line-soft)}
  .nav-links li:last-child{border-bottom:none}
  .nav-links a{display:block;padding:15px 2px;font-size:16px}
  .nav-cta{margin:14px 0 0}
  .nav-toggle{display:flex}
  .hero{padding:64px 0 40px}
  .hero .sub{font-size:16px}
  .stats-grid{grid-template-columns:1fr;padding:30px 26px 24px}
  .card-grid,.card-grid.cols-3{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .principles{grid-template-columns:1fr}
  .section{padding:64px 0}
  .compare{grid-template-columns:1fr}
  .field-row{grid-template-columns:1fr}
  .roles{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .announce-inner{padding:10px 18px;text-align:center}
  .vig-row{flex-wrap:wrap;row-gap:8px}
  .vig-person{flex-wrap:wrap;row-gap:6px}
  .vig-name{width:100%}
  .cta-band{padding:44px 26px}
  .pricing-note{padding:30px 24px}
  .form-card{padding:26px 20px}
}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms!important;animation-iteration-count:1!important;
    transition-duration:.001ms!important;scroll-behavior:auto!important;
  }
  .rv{opacity:1}
}