:root{
  --ink:#0e141d; --ink2:#16202c;
  --paper:#e8ecef; --paper2:#dde3e8;
  --line:#b7c2cb; --linedark:#2a3a4c;
  --accent:#b5652d; --accent2:#8a4a1f;
  --text:#101820; --muted:#4b5a68; --white:#f7f8f9;
  --serif:'Fraunces',Georgia,serif; --mono:'IBM Plex Mono',monospace; --sans:'IBM Plex Sans',system-ui,sans-serif;
  --max:1100px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--sans);color:var(--text);background:var(--paper);line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
a{color:inherit}
.wrap{max-width:var(--max);margin:auto;padding:0 32px}
.tick{font-family:var(--mono);font-size:12px;letter-spacing:.04em;color:var(--accent)}
.tick::before{content:"§ ";color:var(--muted)}
.lang-switch{font-family:var(--mono);font-size:12px;letter-spacing:.04em;text-decoration:none;border:1px solid currentColor;padding:3px 8px;border-radius:2px}

header.nav{position:sticky;top:0;z-index:20;background:rgba(232,236,239,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav-inner{height:68px;display:flex;align-items:center;justify-content:space-between}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;color:var(--text)}
.brand-mark{width:34px;height:34px;display:block;object-fit:cover;border-radius:5px;flex:0 0 auto}
.brand-copy{display:block;line-height:1.15}
.brand-copy strong{display:block;font-family:var(--serif);font-weight:600;font-size:19px;color:var(--text)}
.brand-copy > span{display:block;font-family:var(--mono);font-size:10px;letter-spacing:.05em;color:var(--muted);margin-top:3px}
.nav-links{display:flex;align-items:center;gap:26px;font-size:14px}
.nav-links a{text-decoration:none;color:var(--text)}
.nav-links a:hover{color:var(--accent)}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:11px 18px;border-radius:2px;background:var(--ink);color:var(--white);text-decoration:none;font-weight:600;font-size:14px;border:1px solid var(--ink)}
.btn.ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.nav-cta{display:inline-flex;align-items:center;gap:6px;color:var(--accent) !important;background:transparent;border:0;font-weight:700;text-decoration:none;cursor:pointer;padding:8px 4px;white-space:nowrap;transition:color .2s ease,transform .2s ease}
.nav-cta::after{content:"→";font-size:1.05em;transition:transform .2s ease}
.nav-cta:hover{color:var(--accent2) !important}
.nav-cta:hover::after{transform:translateX(4px)}
.nav-cta:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
a:focus-visible,.btn:focus-visible{outline:2px solid var(--accent);outline-offset:3px}

.hero{
  background-color:var(--ink);
  background-image:
    linear-gradient(var(--linedark) 1px,transparent 1px),
    linear-gradient(90deg,var(--linedark) 1px,transparent 1px);
  background-size:44px 44px;
  color:var(--white);padding:96px 0 80px;position:relative;
}
.hero::after{content:"";position:absolute;inset:0;background:radial-gradient(ellipse at 20% 0%,rgba(14,20,29,0) 0%,var(--ink) 78%);pointer-events:none}
.hero .wrap{position:relative;z-index:1}
.hero .tick{color:#d99a6d}
h1{font-family:var(--serif);font-optical-sizing:auto;font-weight:460;font-size:clamp(42px,5.8vw,66px);line-height:1.02;margin:18px 0 24px;max-width:860px;letter-spacing:-.025em;text-wrap:balance}
.hero p.lead{font-size:19px;color:#c3ccd6;max-width:620px;margin:0 0 34px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:52px}
.hero .btn.ghost{color:var(--white);border-color:#4a5c70}

.dossier{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--linedark)}
.dossier div{padding:18px 20px;border-left:1px solid var(--linedark)}
.dossier div:first-child{border-left:none}
.dossier strong{display:block;font-family:var(--serif);font-size:22px;font-weight:500;color:var(--white)}
.dossier span{font-family:var(--mono);font-size:12px;color:#93a2b0}

section{padding:80px 0}
section.paper2{background:var(--paper2)}
h2{font-family:var(--serif);font-optical-sizing:auto;font-weight:470;font-size:clamp(30px,3.6vw,42px);line-height:1.08;margin:14px 0 18px;letter-spacing:-.018em;max-width:820px;text-wrap:balance}
.intro{font-size:17px;color:var(--muted);max-width:640px;margin-bottom:44px}

.problem-grid{display:grid;grid-template-columns:1fr 1fr;gap:0;border-top:1px solid var(--line)}
.problem{padding:22px 24px;border-bottom:1px solid var(--line)}
.problem:nth-child(odd){border-right:1px solid var(--line)}
.problem strong{display:block;font-family:var(--serif);font-weight:500;font-size:17px;margin-bottom:6px}
.problem p{margin:0;color:var(--muted);font-size:15px}

.sst{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border:1px solid var(--linedark)}
.sst .step{padding:30px 26px;border-left:1px solid var(--linedark)}
.sst .step:first-child{border-left:none}
.sst .tag{font-family:var(--mono);font-size:12px;color:var(--accent2);background:#f0d9c4;display:inline-block;padding:2px 8px;border-radius:2px;margin-bottom:14px}
.dark-section{background:var(--ink);color:var(--white)}
.dark-section .intro{color:#a9b6c2}
.dark-section .sst .tag{color:#e3a06d;background:#2a2019}
.dark-section .step h3{font-family:var(--sans);font-weight:600;font-size:19px;line-height:1.25;letter-spacing:-.01em;margin:0 0 10px;text-wrap:balance}
.dark-section .step p{color:#a9b6c2;margin:0;font-size:15px}

.pov-grid{display:grid;grid-template-columns:1fr 1fr;gap:0;border:1px solid var(--line)}
.pov-item{padding:30px 30px 30px 0;border-left:1px solid var(--line);position:relative;padding-left:30px}
.pov-item:nth-child(odd){border-left:none}
.pov-item:nth-child(-n+2){border-bottom:1px solid var(--line)}
.pov-no{font-family:var(--mono);font-size:13px;color:var(--accent);display:block;margin-bottom:12px}
.pov-item h3{font-family:var(--sans);font-weight:600;font-size:20px;line-height:1.24;letter-spacing:-.012em;margin:0 0 12px;max-width:440px;text-wrap:balance}
.pov-item p{color:var(--muted);margin:0;font-size:15px}
.pov-footnote{font-family:var(--mono);font-size:12px;color:var(--accent2);margin-top:10px !important}

.lead-model{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--line);margin-bottom:36px}
.lead-step{padding:24px 22px;border-left:1px solid var(--line)}
.lead-step:first-child{border-left:none}
.lead-no{font-family:var(--mono);font-size:13px;color:var(--accent2);display:block;margin-bottom:10px}
.lead-step h3{font-family:var(--sans);font-weight:600;font-size:17px;line-height:1.2;letter-spacing:-.008em;margin:0 0 8px}
.lead-step p{color:var(--muted);margin:0;font-size:14px}
.cadence{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-bottom:24px}
.cadence-label{font-family:var(--mono);font-size:11px;letter-spacing:.04em;color:var(--accent2);display:block;padding-bottom:10px;border-bottom:1px solid var(--line);margin-bottom:12px}
.cadence-row{font-size:14px;color:var(--muted);margin-bottom:10px}
.cadence-row b{display:block;font-family:var(--serif);font-size:16px;font-weight:500;color:var(--text)}
.lead-bridge{background:var(--ink);color:#c3ccd6;padding:18px 22px;font-size:14px;margin:0}
.lead-bridge b,.lead-bridge strong{color:var(--white)}
.evidence{display:grid;grid-template-columns:1.2fr .8fr;gap:40px}
.evblock{border-top:2px solid var(--ink);padding-top:20px;margin-bottom:36px}
.evblock h3{font-family:var(--serif);font-optical-sizing:auto;font-size:25px;line-height:1.08;font-weight:520;letter-spacing:-.015em;margin:0 0 6px;text-wrap:balance}
.evblock .role{font-family:var(--mono);font-size:13px;color:var(--accent2);margin-bottom:10px}
.evblock p{color:var(--muted);margin:0 0 10px;font-size:15px}
.evblock ul{margin:0;padding-left:18px;color:var(--muted);font-size:14px}
.quote{background:var(--ink);color:var(--white);padding:30px 28px;align-self:start;position:relative}
.quote p{font-family:var(--serif);font-size:21px;line-height:1.4;margin:0 0 16px;font-weight:400}
.quote small{font-family:var(--mono);font-size:12px;color:#93a2b0}

.legend{margin-top:40px;border-top:1px solid var(--line);padding-top:24px}
.legend-intro{font-size:14px;color:var(--muted);margin:8px 0 20px;max-width:520px}
.legend-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px 32px}
.legend-item{font-family:var(--mono);font-size:13px;color:var(--text);line-height:1.6;padding-left:20px;position:relative}
.legend-item .mark{position:absolute;left:0;top:7px;width:9px;height:9px;border:1px solid var(--accent2);transform:rotate(45deg)}

.bio{max-width:640px;font-size:17px;color:var(--muted)}
.bio strong{color:var(--text)}

.cases{border-top:1px solid var(--line)}
.case{padding:26px 0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:.4fr 1.6fr;gap:24px}
.case-no{font-family:var(--mono);font-size:13px;color:var(--accent2);padding-top:2px}
.case h3{font-family:var(--sans);font-weight:600;font-size:20px;line-height:1.2;letter-spacing:-.012em;margin:0 0 7px;text-wrap:balance}
.case .sub{font-style:italic;color:var(--text);margin:0 0 10px;font-size:15px}
.case p{color:var(--muted);margin:0 0 10px;font-size:15px}
.case .value{font-family:var(--mono);font-size:13px;color:var(--accent2)}
.case .value b{color:var(--accent2)}

.days{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border:1px solid var(--line)}
.day{padding:26px 24px;border-left:1px solid var(--line)}
.day:first-child{border-left:none}
.day .period{font-family:var(--mono);font-size:12px;color:var(--accent2);display:block;margin-bottom:10px}
.day h3{font-family:var(--sans);font-weight:600;font-size:18px;line-height:1.22;letter-spacing:-.01em;margin:0 0 12px;text-wrap:balance}
.day ul{margin:0;padding-left:16px;color:var(--muted);font-size:14px}
.day li{margin-bottom:4px}

.engagement{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border:1px solid var(--line);margin-bottom:16px}
.eng{padding:26px 24px;border-left:1px solid var(--line)}
.eng:first-child{border-left:none}
.eng .tag{font-family:var(--mono);font-size:12px;color:var(--accent2);display:block;margin-bottom:10px}
.eng h3{font-family:var(--sans);font-weight:600;font-size:18px;line-height:1.22;letter-spacing:-.01em;margin:0 0 8px;text-wrap:balance}
.eng p{color:var(--muted);margin:0;font-size:14px}
.note{font-family:var(--mono);font-size:13px;color:var(--muted)}

.cta{background:var(--ink);color:var(--white)}
.cta-box{display:grid;grid-template-columns:1.2fr .8fr;gap:32px;align-items:center}
.cta p{color:#c3ccd6;font-size:16px}
.cta h2{color:var(--white)}
.contact-links{display:flex;gap:12px;flex-wrap:wrap}
.cta .btn.ghost{color:var(--white);border-color:#4a5c70}

footer{background:#0a0f16;color:#7c8b99;padding:26px 0;font-family:var(--mono);font-size:12px}
.footer-inner{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
.footer-brand{display:flex;align-items:center;gap:9px}
.footer-mark{width:22px;height:22px;display:block;object-fit:cover;border-radius:4px}

/* Typographic hierarchy: editorial section titles, executive card titles */
section > .wrap > .tick + h2{position:relative;padding-bottom:4px}
section > .wrap > .tick + h2::after{content:"";display:block;width:44px;height:2px;background:var(--accent);margin-top:16px}
.dark-section > .wrap > .tick + h2::after,.cta h2::after{background:#d99a6d}
.problem strong{line-height:1.28;letter-spacing:-.006em}
.case .sub{line-height:1.45}
@media (max-width:850px){h1{font-size:clamp(38px,10vw,52px);line-height:1.04}h2{font-size:clamp(28px,7vw,36px);line-height:1.1}}

@media (max-width:850px){
  .nav-links a:not(.btn):not(.lang-switch):not(.nav-cta){display:none}
  .nav-links{gap:10px}
  .dossier,.sst,.evidence,.problem-grid,.days,.engagement,.cta-box,.pov-grid,.legend-grid,.lead-model,.cadence{grid-template-columns:1fr}
  .dossier div,.sst .step,.day,.eng{border-left:none;border-top:1px solid var(--linedark)}
  .dossier div:first-child,.sst .step:first-child,.day:first-child,.eng:first-child{border-top:none}
  .problem{border-right:none !important}
  .pov-item{border-left:none !important;border-bottom:1px solid var(--line) !important;padding-left:0}
  .case{grid-template-columns:1fr;gap:6px}
  .lead-step{border-left:none !important;border-top:1px solid var(--line)}
  .lead-step:first-child{border-top:none}
}
@media (max-width:480px){
  .wrap{padding-left:16px;padding-right:16px}
  .nav-inner{height:72px}
  .nav-links{gap:7px}
  .nav-links .btn{padding:9px 11px;font-size:12px}
  .nav-links .nav-cta{padding:8px 2px;font-size:12px}
  .lang-switch{padding:3px 6px;font-size:11px}
  .brand-mark{width:30px;height:30px}
  .brand-copy strong{font-size:18px}
  .brand-copy > span{font-size:9px;line-height:1.25}
}


/* Mobile navigation */
.menu-toggle{
  display:none;
  width:38px;
  height:38px;
  padding:8px;
  border:1px solid var(--line);
  background:transparent;
  border-radius:2px;
  cursor:pointer;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:4px;
}
.menu-toggle span{
  display:block;
  width:18px;
  height:2px;
  background:var(--text);
  transition:transform .2s ease,opacity .2s ease;
}
.menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.mobile-menu{display:none}

@media (max-width:850px){
  .nav-inner{position:relative}
  .menu-toggle{display:inline-flex;order:2}
  .lang-switch{order:1}
  .nav-cta{order:3}
  .mobile-menu{
    display:flex;
    position:absolute;
    top:100%;
    left:0;
    right:0;
    flex-direction:column;
    background:rgba(232,236,239,.98);
    backdrop-filter:blur(12px);
    border-top:1px solid var(--line);
    border-bottom:1px solid var(--line);
    box-shadow:0 14px 30px rgba(14,20,29,.14);
    padding:8px 16px 14px;
    opacity:0;
    visibility:hidden;
    transform:translateY(-8px);
    pointer-events:none;
    transition:opacity .18s ease,transform .18s ease,visibility .18s ease;
  }
  .mobile-menu[aria-hidden="false"]{
    opacity:1;
    visibility:visible;
    transform:translateY(0);
    pointer-events:auto;
  }
  .mobile-menu a{
    text-decoration:none;
    color:var(--text);
    font-size:15px;
    font-weight:500;
    padding:12px 4px;
    border-bottom:1px solid var(--line);
  }
  .mobile-menu a:last-child{border-bottom:none}
  .mobile-menu a:hover{color:var(--accent)}
}

@media (max-width:480px){
  .brand{gap:8px}
  .brand-copy > span{max-width:92px}
  .menu-toggle{width:34px;height:34px;padding:7px}
  .nav-cta{font-size:11px !important;padding:8px 0 !important}
  .nav-links{gap:6px}
}


/* Refined mobile header hierarchy */
@media (max-width:480px){
  header.nav .nav-inner{
    min-height:108px;
    height:auto;
    display:grid;
    grid-template-columns:1fr auto;
    grid-template-rows:auto auto auto;
    align-items:center;
    column-gap:10px;
    row-gap:2px;
    padding-top:8px;
    padding-bottom:8px;
  }

  header.nav .brand{
    grid-column:1;
    grid-row:1 / span 2;
    align-self:start;
    display:grid;
    grid-template-columns:30px 1fr;
    grid-template-rows:auto auto;
    column-gap:8px;
    row-gap:0;
    min-width:0;
  }

  header.nav .brand-mark{
    grid-column:1;
    grid-row:1 / span 2;
    width:30px !important;
    height:30px !important;
    max-width:30px !important;
    max-height:30px !important;
    margin-top:2px;
  }

  header.nav .brand-copy{
    grid-column:2;
    grid-row:1 / span 2;
    min-width:0;
  }

  header.nav .brand-copy strong{
    font-size:18px;
    line-height:1.05;
    white-space:nowrap;
  }

  header.nav .brand-copy > span{
    font-size:9px;
    line-height:1.2;
    max-width:160px;
    white-space:normal;
    margin-top:3px;
  }

  header.nav .nav-links{
    grid-column:2;
    grid-row:1 / span 3;
    display:grid;
    grid-template-columns:auto auto;
    grid-template-rows:auto auto;
    align-items:center;
    justify-items:end;
    gap:6px 7px;
  }

  header.nav .lang-switch{
    grid-column:1;
    grid-row:1;
    padding:3px 6px;
    font-size:11px;
  }

  header.nav .menu-toggle{
    grid-column:2;
    grid-row:1;
    width:34px;
    height:34px;
    padding:7px;
  }

  header.nav .nav-cta{
    grid-column:1 / span 2;
    grid-row:2;
    justify-self:end;
    font-size:11px !important;
    padding:3px 0 0 !important;
    line-height:1.15;
    white-space:nowrap;
  }

  header.nav .mobile-menu{
    top:100%;
  }
}


/* 2026-10 update: availability line, 90-day feature, case labels */
.hero p.avail{font-size:16px;color:#d99a6d;margin:-14px 0 28px;max-width:620px;font-weight:500}
.hero-alt{margin:-34px 0 44px;font-size:14px}
.hero-alt a{color:#d99a6d;text-decoration:none;border-bottom:1px solid #6b4a33}
.hero-alt a:hover{color:var(--white);border-bottom-color:var(--white)}
.case p .lbl{display:inline-block;min-width:104px;font-family:var(--mono);font-size:11px;letter-spacing:.05em;text-transform:uppercase;color:var(--accent2);margin-right:8px}
.eng.feature{background:var(--ink);color:var(--white)}
.eng.feature .tag{color:#e3a06d}
.eng.feature p{color:#c3ccd6}
.eng.feature .btn{margin-top:16px;background:var(--white);color:var(--ink);border-color:var(--white)}
@media (max-width:850px){
  .hero p.avail{margin:-8px 0 24px}
  .hero-alt{margin:-30px 0 40px}
  .case p .lbl{display:block;min-width:0;margin:0 0 2px}
}