/* ============================================================
   LISA — Legal Intelligence Sovereign Architecture
   Design system. One stylesheet, all pages.
   Palette: Vault Black / Antique Gold / Parchment / Stone
   Type: Cormorant Garamond (display) + Inter (text)
   ============================================================ */

:root{
  --vault:#0A0A0A;
  --vault-soft:#141414;
  --vault-line:#262626;
  --gold:#C9A961;
  --gold-deep:#A8884A;
  --parchment:#F4ECD8;
  --paper:#FBF8F1;
  --paper-line:#E4DCC8;
  --stone:#4A4A4A;
  --stone-soft:#6B6B6B;
  --ink:#1A1A1A;
  --maxw:1240px;
  --pad:clamp(1.5rem,5vw,4rem);
  --sec:clamp(4.5rem,10vw,9rem);
}

*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  font-family:'Inter',-apple-system,BlinkMacSystemFont,sans-serif;
  background:var(--paper);
  color:var(--ink);
  font-size:17px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}

/* ---------- Type ---------- */
h1,h2,h3,h4{
  font-family:'Cormorant Garamond',Georgia,serif;
  font-weight:500;
  line-height:1.08;
  letter-spacing:-0.01em;
}
.serif{font-family:'Cormorant Garamond',Georgia,serif}
.eyebrow{
  font-family:'Inter',sans-serif;
  font-size:.72rem;
  font-weight:600;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--gold-deep);
}
.eyebrow.on-dark{color:var(--gold)}
.delta{color:var(--gold);font-style:normal}

/* ---------- Layout ---------- */
.wrap{max-width:var(--maxw);margin:0 auto;padding-left:var(--pad);padding-right:var(--pad)}
.section{padding-top:var(--sec);padding-bottom:var(--sec)}
.section--tight{padding-top:clamp(3rem,6vw,5rem);padding-bottom:clamp(3rem,6vw,5rem)}
.dark{background:var(--vault);color:var(--parchment)}
.dark h1,.dark h2,.dark h3{color:var(--parchment)}
.parchment{background:var(--parchment);color:var(--ink)}
.rule{height:1px;background:var(--paper-line);border:0;margin:0}
.rule.on-dark{background:var(--vault-line)}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:var(--vault);
  border-bottom:1px solid var(--vault-line);
}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{
  font-family:'Cormorant Garamond',serif;
  font-size:1.6rem;font-weight:600;letter-spacing:.04em;
  color:var(--parchment);
}
.logo .delta{font-weight:600}
.nav{display:flex;align-items:center;gap:2.2rem}
.nav a{
  font-size:.82rem;font-weight:500;letter-spacing:.04em;
  color:var(--parchment);opacity:.82;transition:opacity .2s,color .2s;
}
.nav a:hover{opacity:1;color:var(--gold)}
.nav a.cta{
  opacity:1;background:var(--gold);color:var(--vault);
  padding:.6rem 1.15rem;font-weight:600;letter-spacing:.03em;
  border:1px solid var(--gold);transition:background .2s,color .2s;
}
.nav a.cta:hover{background:transparent;color:var(--gold)}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;width:30px;height:24px;position:relative}
.nav-toggle span{position:absolute;left:0;right:0;height:1.5px;background:var(--parchment);transition:.25s}
.nav-toggle span:nth-child(1){top:3px}
.nav-toggle span:nth-child(2){top:11px}
.nav-toggle span:nth-child(3){top:19px}
.nav-toggle.open span:nth-child(1){top:11px;transform:rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){top:11px;transform:rotate(-45deg)}

@media(max-width:880px){
  .nav-toggle{display:block;z-index:120}
  .nav{
    position:fixed;inset:0;z-index:110;background:var(--vault);
    flex-direction:column;justify-content:center;gap:1.8rem;
    transform:translateX(100%);transition:transform .35s cubic-bezier(.4,0,.2,1);
  }
  .nav.open{transform:translateX(0)}
  .nav a{font-size:1.05rem}
  .nav a.cta{padding:.8rem 1.6rem}
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-block;font-family:'Inter',sans-serif;
  font-size:.8rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;
  padding:.95rem 1.7rem;border:1px solid transparent;cursor:pointer;
  transition:background .2s,color .2s,border-color .2s;
}
.btn--gold{background:var(--gold);color:var(--vault);border-color:var(--gold)}
.btn--gold:hover{background:var(--gold-deep);border-color:var(--gold-deep)}
.btn--ghost-light{background:transparent;color:var(--parchment);border-color:rgba(244,236,216,.35)}
.btn--ghost-light:hover{border-color:var(--gold);color:var(--gold)}
.btn--ghost-dark{background:transparent;color:var(--ink);border-color:rgba(26,26,26,.25)}
.btn--ghost-dark:hover{border-color:var(--gold-deep);color:var(--gold-deep)}
.link-arrow{
  display:inline-flex;align-items:center;gap:.5rem;
  font-size:.82rem;font-weight:600;letter-spacing:.04em;
  color:var(--gold-deep);border-bottom:1px solid transparent;padding-bottom:2px;
  transition:gap .2s,border-color .2s;
}
.dark .link-arrow{color:var(--gold)}
.link-arrow:hover{gap:.85rem;border-color:currentColor}
.link-arrow::after{content:"\2192"}

/* ---------- Hero (home) ---------- */
.hero{position:relative;overflow:hidden;background:var(--vault);color:var(--parchment)}
.hero .wrap{padding-top:clamp(4.5rem,11vw,8.5rem);padding-bottom:clamp(4.5rem,11vw,8.5rem);position:relative;z-index:2}
.hero__delta{
  position:absolute;right:-4%;top:50%;transform:translateY(-50%);
  font-family:'Cormorant Garamond',serif;font-size:46vw;line-height:1;
  color:#fff;opacity:.022;z-index:1;pointer-events:none;user-select:none;
}
.hero h1{
  font-size:clamp(3rem,8.2vw,6.4rem);font-weight:500;
  margin:1.5rem 0 0;letter-spacing:-0.02em;
}
.hero h1 .l2{display:block}
.hero__sub{
  font-family:'Cormorant Garamond',serif;
  font-size:clamp(1.5rem,3.2vw,2.3rem);font-weight:300;font-style:italic;
  color:var(--gold);margin-top:1.1rem;
}
.hero__desc{
  max-width:46ch;margin-top:1.8rem;color:rgba(244,236,216,.72);
  font-size:1.02rem;
}
.hero__cta{display:flex;flex-wrap:wrap;gap:1rem;margin-top:2.6rem;align-items:center}

/* ---------- Page hero (interior pages) ---------- */
.phero{background:var(--vault);color:var(--parchment);position:relative;overflow:hidden}
.phero .wrap{padding-top:clamp(3.8rem,8vw,6.5rem);padding-bottom:clamp(3.8rem,8vw,6rem);position:relative;z-index:2}
.phero h1{
  font-size:clamp(2.5rem,6vw,4.6rem);font-weight:500;margin-top:1.3rem;max-width:18ch;
}
.phero__dek{max-width:60ch;margin-top:1.4rem;color:rgba(244,236,216,.74);font-size:1.08rem}
.phero__delta{
  position:absolute;right:-3%;bottom:-30%;
  font-family:'Cormorant Garamond',serif;font-size:30vw;line-height:1;
  color:#fff;opacity:.025;z-index:1;pointer-events:none;
}

/* ---------- Section heads ---------- */
.shead{max-width:62ch}
.shead h2{font-size:clamp(2rem,4.4vw,3.3rem);margin-top:1rem}
.shead p{margin-top:1.1rem;color:var(--stone)}
.dark .shead p{color:rgba(244,236,216,.72)}
.shead--center{margin-left:auto;margin-right:auto;text-align:center}

/* ---------- Stat row ---------- */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--vault-line);margin-top:3rem}
.stat{background:var(--vault);padding:2.2rem 1.6rem}
.stat__n{font-family:'Cormorant Garamond',serif;font-size:clamp(2.8rem,5vw,3.8rem);color:var(--gold);line-height:1}
.stat__l{margin-top:.7rem;font-size:.92rem;color:rgba(244,236,216,.7);max-width:24ch}
@media(max-width:680px){.stats{grid-template-columns:1fr}}

/* ---------- Question blocks ---------- */
.qgrid{display:grid;gap:1px;background:var(--paper-line);margin-top:3.4rem}
.qblock{
  background:var(--paper);padding:clamp(1.8rem,4vw,3rem);
  display:grid;grid-template-columns:auto 1fr;gap:clamp(1.4rem,4vw,3.5rem);align-items:start;
}
.qblock__num{
  font-family:'Cormorant Garamond',serif;font-size:2.2rem;color:var(--gold-deep);
  line-height:1;border-top:2px solid var(--gold);padding-top:.6rem;
}
.qblock h3{font-size:1.7rem;margin-bottom:.2rem}
.qblock h3 .tag{
  display:block;font-family:'Inter',sans-serif;font-size:.72rem;font-weight:600;
  letter-spacing:.2em;text-transform:uppercase;color:var(--gold-deep);margin-bottom:.6rem;
}
.qblock p{color:var(--stone);font-size:1rem}
@media(max-width:620px){.qblock{grid-template-columns:1fr;gap:1rem}}

/* ---------- Card grids ---------- */
.cards-3{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem;margin-top:3.4rem}
.cards-2{display:grid;grid-template-columns:repeat(2,1fr);gap:1.5rem;margin-top:3rem}
@media(max-width:860px){.cards-3{grid-template-columns:1fr}.cards-2{grid-template-columns:1fr}}

.mcard{
  border:1px solid var(--paper-line);background:#fff;padding:2rem 1.9rem;
  display:flex;flex-direction:column;transition:border-color .25s,transform .25s;
}
.mcard:hover{border-color:var(--gold);transform:translateY(-3px)}
.mcard__step{font-family:'Cormorant Garamond',serif;font-size:1.05rem;color:var(--gold-deep);letter-spacing:.04em}
.mcard h3{font-size:1.55rem;margin:.5rem 0 .7rem}
.mcard p{color:var(--stone);font-size:.97rem}
.mcard .dur{margin-top:auto;padding-top:1.1rem;font-size:.78rem;letter-spacing:.06em;text-transform:uppercase;color:var(--stone-soft)}

/* case-study / link card */
.lcard{
  display:flex;flex-direction:column;border:1px solid var(--paper-line);
  background:#fff;padding:2rem 1.9rem;transition:border-color .25s,transform .25s;
}
.lcard:hover{border-color:var(--gold);transform:translateY(-3px)}
.lcard__kicker{font-size:.72rem;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--gold-deep)}
.lcard h3{font-size:1.6rem;margin:.7rem 0 .15rem}
.lcard__meta{font-family:'Cormorant Garamond',serif;font-style:italic;font-size:1.12rem;color:var(--stone)}
.lcard p{margin-top:.8rem;color:var(--stone);font-size:.96rem}
.lcard .link-arrow{margin-top:1.4rem}

/* ---------- Metric grid (case study pages) ---------- */
.metrics{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:1px;background:var(--vault-line);margin:2.4rem 0}
.metric{background:var(--vault);padding:2rem 1.7rem}
.metric__n{font-family:'Cormorant Garamond',serif;font-size:clamp(2.4rem,4.5vw,3.4rem);color:var(--gold);line-height:1}
.metric__l{margin-top:.6rem;font-size:.93rem;color:rgba(244,236,216,.74)}
@media(max-width:620px){.metrics{grid-template-columns:1fr}}

/* ---------- Prose (articles, case studies, about) ---------- */
.prose{max-width:46rem}
.prose>*+*{margin-top:1.5rem}
.prose p{color:var(--ink);font-size:1.07rem;line-height:1.78}
.prose h2{
  font-size:clamp(1.7rem,3.2vw,2.4rem);margin-top:3.2rem;
  padding-top:0;color:var(--ink);
}
.prose h2+p{margin-top:1rem}
.prose h3{font-size:1.4rem;margin-top:2.4rem;color:var(--ink)}
.prose ul,.prose ol{margin-left:1.1rem;color:var(--ink)}
.prose li{margin-top:.55rem;padding-left:.4rem;font-size:1.05rem}
.prose li::marker{color:var(--gold-deep)}
.prose blockquote{
  border-left:2px solid var(--gold);padding:.4rem 0 .4rem 1.6rem;margin:2.4rem 0;
  font-family:'Cormorant Garamond',serif;font-size:1.5rem;font-style:italic;
  line-height:1.4;color:var(--ink);
}
.prose strong{font-weight:600}
.prose em{font-style:italic}
.prose a{color:var(--gold-deep);border-bottom:1px solid var(--paper-line)}
.prose a:hover{border-color:var(--gold-deep)}
.callout{
  background:var(--vault);color:var(--parchment);padding:2rem 2rem;margin:2.6rem 0;
}
.callout .ctitle{
  font-size:.74rem;font-weight:600;letter-spacing:.2em;text-transform:uppercase;
  color:var(--gold);margin-bottom:.7rem;
}
.callout p{color:var(--parchment);font-size:1.05rem}

/* ---------- Article header / meta ---------- */
.amast{background:var(--vault);color:var(--parchment)}
.amast .wrap{padding-top:clamp(3rem,7vw,5.5rem);padding-bottom:clamp(2.6rem,5vw,4rem)}
.amast .cat{font-size:.74rem;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--gold)}
.amast h1{font-size:clamp(2.2rem,5vw,4rem);margin:1.1rem 0;max-width:20ch}
.amast .dek{max-width:58ch;color:rgba(244,236,216,.78);font-size:1.1rem}
.amast .byline{
  margin-top:1.8rem;padding-top:1.4rem;border-top:1px solid var(--vault-line);
  font-size:.86rem;color:rgba(244,236,216,.6);display:flex;gap:1.2rem;flex-wrap:wrap;
}
.amast .byline b{color:var(--parchment);font-weight:600}
.article-body{padding-top:clamp(3rem,6vw,4.5rem);padding-bottom:clamp(3rem,6vw,5rem)}

/* ---------- Integrations ---------- */
.intg{margin-top:2.6rem;display:grid;gap:1.6rem}
.intg__row{}
.intg__cat{font-size:.74rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--gold-deep);margin-bottom:.5rem}
.intg__list{color:var(--stone);font-size:1.02rem}

/* ---------- What-you-own list ---------- */
.own-list{margin-top:2rem;display:grid;grid-template-columns:1fr 1fr;gap:.1rem 2.5rem}
.own-list li{
  list-style:none;padding:.85rem 0;border-bottom:1px solid var(--paper-line);
  display:flex;gap:.7rem;font-size:1rem;
}
.own-list li::before{content:"\0394";color:var(--gold-deep);font-family:'Cormorant Garamond',serif;font-weight:600}
@media(max-width:620px){.own-list{grid-template-columns:1fr}}

/* ---------- Team ---------- */
.team{display:grid;grid-template-columns:repeat(2,1fr);gap:2.5rem;margin-top:3rem}
.tmember{}
.tmember__photo{
  width:100%;aspect-ratio:1/1;object-fit:cover;
  filter:grayscale(100%) contrast(1.04);border:1px solid var(--paper-line);
}
.tmember__photo--placeholder{
  display:flex;align-items:center;justify-content:center;background:var(--vault);
  font-family:'Cormorant Garamond',serif;font-size:5rem;color:var(--gold);
}
.tmember h3{font-size:1.5rem;margin:1.1rem 0 .1rem}
.tmember .role{font-size:.78rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--gold-deep)}
.tmember p{margin-top:.7rem;color:var(--stone);font-size:.98rem}
@media(max-width:620px){.team{grid-template-columns:1fr;gap:2.8rem}}

/* ---------- CTA band ---------- */
.ctaband{background:var(--vault);color:var(--parchment);text-align:center}
.ctaband .wrap{padding-top:var(--sec);padding-bottom:var(--sec)}
.ctaband h2{font-size:clamp(2.2rem,5vw,3.6rem);max-width:20ch;margin:0 auto}
.ctaband p{max-width:48ch;margin:1.2rem auto 0;color:rgba(244,236,216,.72)}
.ctaband .btn{margin-top:2rem}

/* ---------- Footer ---------- */
.site-footer{background:var(--vault);color:var(--parchment);border-top:1px solid var(--vault-line)}
.site-footer .wrap{padding-top:4.5rem;padding-bottom:2.5rem}
.foot-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:2.5rem}
.foot-brand .logo{font-size:1.9rem;display:inline-block;margin-bottom:.9rem}
.foot-brand p{color:rgba(244,236,216,.6);font-size:.95rem;max-width:30ch;font-family:'Cormorant Garamond',serif;font-style:italic;font-size:1.15rem}
.foot-col h4{
  font-family:'Inter',sans-serif;font-size:.72rem;font-weight:600;
  letter-spacing:.16em;text-transform:uppercase;color:var(--gold);margin-bottom:1rem;
}
.foot-col a,.foot-col span{
  display:block;font-size:.9rem;color:rgba(244,236,216,.7);
  padding:.28rem 0;transition:color .2s;
}
.foot-col a:hover{color:var(--gold)}
.foot-bottom{
  margin-top:3.5rem;padding-top:1.6rem;border-top:1px solid var(--vault-line);
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:.8rem;
  font-size:.78rem;color:rgba(244,236,216,.45);
}
@media(max-width:780px){.foot-top{grid-template-columns:1fr 1fr}.foot-brand{grid-column:1/-1}}
@media(max-width:480px){.foot-top{grid-template-columns:1fr}}

/* ---------- Entrance animation ----------
   All content is visible by default. The hero gets a one-time CSS
   fade-up on load. .reveal / .stagger elsewhere are intentional no-ops
   so that nothing on the page can ever be stuck hidden. */
@keyframes riseIn{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:none}}
.js .hero .stagger>*{animation:riseIn .85s cubic-bezier(.2,.6,.2,1) both}
.js .hero .stagger>*:nth-child(2){animation-delay:.10s}
.js .hero .stagger>*:nth-child(3){animation-delay:.20s}
.js .hero .stagger>*:nth-child(4){animation-delay:.30s}
.js .hero .stagger>*:nth-child(5){animation-delay:.40s}
@media(prefers-reduced-motion:reduce){.js .hero .stagger>*{animation:none}html{scroll-behavior:auto}}

/* ---------- Misc ---------- */
.lead{font-size:1.18rem;line-height:1.7;color:var(--stone);max-width:54ch}
.dark .lead{color:rgba(244,236,216,.8)}
.note{font-size:.86rem;color:var(--stone-soft);font-style:italic}
.center{text-align:center}
.mt-cta{margin-top:2.6rem}
.breadcrumb{font-size:.8rem;color:rgba(244,236,216,.55);letter-spacing:.03em}
.breadcrumb a:hover{color:var(--gold)}

/* ---------- Forms ---------- */
.form{max-width:34rem}
.field{margin-bottom:1.5rem}
.field label{
  display:block;font-size:.74rem;font-weight:600;letter-spacing:.1em;
  text-transform:uppercase;color:var(--stone);margin-bottom:.55rem;
}
.field input,.field textarea{
  width:100%;font-family:'Inter',sans-serif;font-size:1rem;color:var(--ink);
  background:#fff;border:1px solid var(--paper-line);padding:.85rem 1rem;border-radius:0;
  transition:border-color .2s,box-shadow .2s;
}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--gold-deep);box-shadow:0 0 0 3px rgba(201,169,97,.13);
}
.field textarea{min-height:130px;resize:vertical;line-height:1.6}
.form button{margin-top:.4rem;cursor:pointer}