/* ============================================================
   Scriptum AI  |  Design system: charcoal base, electric mint
   accent, hairline borders, no shadows, all-sans Calibri stack
   ============================================================ */

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

:root{
  --bg:#0E0F0E;
  --bg-raise:#141614;
  --bg-card:#171A18;
  --line:#252A27;
  --line-strong:#333B36;
  --mint:#2EE6A8;
  --mint-dim:rgba(46,230,168,0.12);
  --mint-glow:rgba(46,230,168,0.35);
  --text:#EDEFEC;
  --text-mid:#A9B0AB;
  --text-dim:#6E7570;
  --radius:10px;
  --radius-lg:16px;
  --font:Calibri,'Carlito','Segoe UI','Helvetica Neue',Arial,sans-serif;
}

html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  background:var(--bg);
  color:var(--text);
  line-height:1.65;
  font-size:17px;
  -webkit-font-smoothing:antialiased;
}

::selection{background:var(--mint);color:var(--bg)}

a{color:var(--mint);text-decoration:none}
img{max-width:100%;display:block}

/* ---------- Ambient background ---------- */
.page-glow{
  position:fixed;inset:0;pointer-events:none;z-index:0;
  background:
    radial-gradient(900px 500px at 80% -10%, rgba(46,230,168,0.07), transparent 60%),
    radial-gradient(700px 500px at -10% 40%, rgba(46,230,168,0.04), transparent 60%);
}
main,nav,footer{position:relative;z-index:1}

/* ---------- Nav ---------- */
nav{
  position:sticky;top:0;z-index:100;
  background:rgba(14,15,14,0.85);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  padding:0 5%;
  display:flex;align-items:center;justify-content:space-between;
  height:66px;
}
.nav-logo{display:flex;align-items:center;gap:10px}
.nav-logo-icon{
  width:30px;height:30px;border:1px solid var(--mint);border-radius:7px;
  display:flex;align-items:center;justify-content:center;
  background:var(--mint-dim);
}
.nav-logo-icon svg{width:15px;height:15px;fill:var(--mint)}
.nav-logo-text{font-size:19px;font-weight:600;color:var(--text);letter-spacing:-0.3px}
.nav-tagline{font-size:9px;letter-spacing:2.4px;color:var(--text-dim);text-transform:uppercase;display:block;line-height:1.4}

.nav-links{display:flex;align-items:center;gap:30px}
.nav-links>a,.nav-drop-btn{
  font-size:14.5px;color:var(--text-mid);font-weight:400;
  background:none;border:none;cursor:pointer;font-family:var(--font);
  transition:color .2s;padding:0;
}
.nav-links>a:hover,.nav-drop-btn:hover{color:var(--mint)}

/* Product dropdown */
.nav-drop{position:relative;height:66px;display:flex;align-items:center}
.nav-drop-btn{display:flex;align-items:center;gap:6px;height:100%}
.nav-drop-btn .chev{width:9px;height:9px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(45deg) translateY(-2px);transition:transform .25s}
.nav-drop.open .nav-drop-btn .chev,
.nav-drop:hover .nav-drop-btn .chev{transform:rotate(225deg) translateY(-1px)}
.nav-drop-menu{
  position:absolute;top:64px;left:50%;transform:translateX(-50%) translateY(8px);
  min-width:340px;
  background:var(--bg-card);
  border:1px solid var(--line-strong);
  border-radius:var(--radius-lg);
  padding:8px;
  opacity:0;visibility:hidden;
  transition:opacity .22s ease, transform .22s ease, visibility .22s;
}
.nav-drop.open .nav-drop-menu,
.nav-drop:hover .nav-drop-menu{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.nav-drop-menu a{
  display:flex;gap:14px;align-items:flex-start;
  padding:13px 14px;border-radius:10px;
  transition:background .18s;
}
.nav-drop-menu a:hover{background:var(--mint-dim)}
.nd-icon{
  flex:0 0 34px;height:34px;border:1px solid var(--line-strong);border-radius:8px;
  display:flex;align-items:center;justify-content:center;margin-top:2px;
}
.nd-icon svg{width:16px;height:16px;stroke:var(--mint);fill:none;stroke-width:1.6}
.nd-title{font-size:15px;font-weight:600;color:var(--text);line-height:1.3}
.nd-desc{font-size:13px;color:var(--text-dim);line-height:1.45}

/* Buttons */
.btn-primary{
  background:var(--mint);color:#07130E;border:1px solid var(--mint);
  padding:10px 24px;border-radius:var(--radius);
  font-size:14.5px;font-weight:600;cursor:pointer;display:inline-block;
  font-family:var(--font);
  transition:background .2s,transform .12s;
}
.btn-primary:hover{background:#4FF0BC;transform:translateY(-1px)}
.btn-secondary{
  background:transparent;color:var(--mint);border:1px solid var(--mint);
  padding:10px 24px;border-radius:var(--radius);
  font-size:14.5px;font-weight:600;cursor:pointer;display:inline-block;
  font-family:var(--font);
  transition:background .2s,transform .12s;
}
.btn-secondary:hover{background:var(--mint-dim);transform:translateY(-1px)}

/* ---------- Sections ---------- */
section{padding:96px 8%}
.section-label{
  font-size:11px;letter-spacing:3px;text-transform:uppercase;
  color:var(--mint);font-weight:600;margin-bottom:14px;
}
h1,h2,h3{letter-spacing:-0.5px;line-height:1.15;font-weight:700}
h2{font-size:clamp(28px,3.6vw,42px);margin-bottom:18px;max-width:760px}
.section-intro{color:var(--text-mid);max-width:720px;font-size:18px}

/* ---------- Hero ---------- */
.hero{
  min-height:88vh;display:flex;align-items:center;gap:60px;
  padding:80px 8% 70px;position:relative;overflow:hidden;
}
.hero-copy{flex:1 1 52%;max-width:640px}
.hero h1{font-size:clamp(38px,5vw,60px);margin-bottom:22px}
.hero h1 .accent{color:var(--mint)}
.hero-sub{font-size:19px;color:var(--text-mid);margin-bottom:34px;max-width:560px}
.hero-ctas{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:34px}
.hero-points{display:flex;flex-direction:column;gap:10px}
.hero-points li{list-style:none;display:flex;gap:10px;align-items:center;color:var(--text-mid);font-size:15px}
.hero-points .tick{
  flex:0 0 18px;height:18px;border:1px solid var(--mint);border-radius:50%;
  display:flex;align-items:center;justify-content:center;
}
.hero-points .tick::after{content:'';width:8px;height:5px;border-left:1.6px solid var(--mint);border-bottom:1.6px solid var(--mint);transform:rotate(-45deg) translateY(-1px)}

/* ---------- Signature: clause-to-knowledge animation ---------- */
.hero-demo{flex:1 1 44%;min-width:320px}
.demo-stack{display:flex;flex-direction:column;gap:16px}
.clause-card{
  background:var(--bg-card);border:1px solid var(--line-strong);
  border-radius:var(--radius-lg);padding:22px 24px;
  font-size:14.5px;line-height:1.7;position:relative;
}
.clause-card .cc-head{
  display:flex;justify-content:space-between;align-items:center;
  font-size:11px;letter-spacing:2px;text-transform:uppercase;color:var(--text-dim);
  margin-bottom:12px;
}
.cc-status{color:var(--mint);transition:opacity .4s}
.redline-del{color:#E86A6A;text-decoration:line-through;opacity:0;transition:opacity .6s}
.redline-ins{color:var(--mint);opacity:0;transition:opacity .6s}
.clause-card.play .redline-del,.clause-card.play .redline-ins{opacity:1}
.clause-card.approved{border-color:var(--mint)}

.knowledge-card{
  background:var(--bg-card);border:1px solid var(--line-strong);
  border-radius:var(--radius-lg);padding:20px 24px;
  display:flex;align-items:center;gap:18px;
}
.kc-pulse{
  width:42px;height:42px;border-radius:50%;
  border:1px solid var(--mint);background:var(--mint-dim);
  display:flex;align-items:center;justify-content:center;flex:0 0 42px;
  position:relative;
}
.kc-pulse svg{width:18px;height:18px;stroke:var(--mint);fill:none;stroke-width:1.6}
.kc-pulse::after{
  content:'';position:absolute;inset:-1px;border-radius:50%;
  border:1px solid var(--mint);opacity:0;
}
.knowledge-card.tick .kc-pulse::after{animation:pulse 1.2s ease-out}
@keyframes pulse{0%{opacity:.8;transform:scale(1)}100%{opacity:0;transform:scale(1.9)}}
.kc-label{font-size:12px;letter-spacing:2px;text-transform:uppercase;color:var(--text-dim)}
.kc-num{font-size:26px;font-weight:700;color:var(--text)}
.kc-num .kc-count{color:var(--mint)}
.demo-connector{
  width:1px;height:22px;margin-left:44px;
  background:linear-gradient(var(--line-strong),var(--mint));
}

/* ---------- Generic cards ---------- */
.card-grid{display:grid;gap:20px;margin-top:48px}
.grid-2{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
.grid-3{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.card{
  background:var(--bg-card);border:1px solid var(--line);
  border-radius:var(--radius-lg);padding:30px 28px;
  transition:border-color .25s, transform .25s;
}
.card:hover{border-color:var(--mint);transform:translateY(-3px)}
.card h3{font-size:19px;margin:16px 0 10px}
.card p{color:var(--text-mid);font-size:15.5px}
.card-icon{
  width:42px;height:42px;border:1px solid var(--line-strong);border-radius:10px;
  display:flex;align-items:center;justify-content:center;
}
.card-icon svg{width:19px;height:19px;stroke:var(--mint);fill:none;stroke-width:1.6}
.card-link{display:inline-flex;align-items:center;gap:6px;margin-top:16px;font-size:14.5px;font-weight:600}
.card-link .arr{transition:transform .2s}
.card:hover .card-link .arr{transform:translateX(4px)}

/* ---------- Steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:48px;counter-reset:step}
.step{
  background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:28px;position:relative;transition:border-color .25s;
}
.step:hover{border-color:var(--line-strong)}
.step-num{font-size:13px;font-weight:700;color:var(--mint);letter-spacing:2px;margin-bottom:12px}
.step h3{font-size:18px;margin-bottom:8px}
.step p{color:var(--text-mid);font-size:15px}

/* ---------- Split feature rows (product pages) ---------- */
.feature-row{
  display:flex;gap:56px;align-items:center;padding:70px 8%;
  border-top:1px solid var(--line);
}
.feature-row:nth-child(even){flex-direction:row-reverse}
.fr-copy{flex:1 1 50%}
.fr-copy h3{font-size:clamp(22px,2.6vw,30px);margin-bottom:14px}
.fr-copy p{color:var(--text-mid);font-size:16.5px;margin-bottom:14px}
.fr-copy ul{margin:18px 0 0}
.fr-copy li{list-style:none;display:flex;gap:10px;margin-bottom:10px;color:var(--text-mid);font-size:15.5px}
.fr-copy li::before{content:'';flex:0 0 6px;height:6px;border-radius:50%;background:var(--mint);margin-top:9px}
.fr-visual{flex:1 1 44%}
.mock{
  background:var(--bg-card);border:1px solid var(--line-strong);border-radius:var(--radius-lg);
  padding:20px;font-size:13.5px;line-height:1.7;color:var(--text-mid);
}
.mock .m-head{display:flex;gap:6px;margin-bottom:14px}
.mock .m-dot{width:9px;height:9px;border-radius:50%;border:1px solid var(--line-strong)}
.mock .m-line{height:8px;border-radius:4px;background:var(--line);margin-bottom:9px}
.mock .m-line.mint{background:var(--mint-dim);border:1px solid rgba(46,230,168,.35)}
.mock .m-tag{display:inline-block;border:1px solid var(--mint);color:var(--mint);border-radius:6px;padding:1px 8px;font-size:11px;letter-spacing:1px;text-transform:uppercase;margin-bottom:10px}

/* ---------- Stat band ---------- */
.stat-band{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
  gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;margin-top:48px;
}
.stat{background:var(--bg-raise);padding:34px 28px}
.stat .s-big{font-size:26px;font-weight:700;color:var(--mint);margin-bottom:6px;letter-spacing:-0.5px}
.stat p{color:var(--text-mid);font-size:14.5px}

/* ---------- Forms ---------- */
.form-wrap{max-width:640px;margin:48px auto 0}
.form-card{
  background:var(--bg-card);border:1px solid var(--line-strong);
  border-radius:var(--radius-lg);padding:36px;
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-grid .full{grid-column:1/-1}
.field label{display:block;font-size:13px;color:var(--text-dim);margin-bottom:6px;letter-spacing:.5px}
.field input,.field select,.field textarea{
  width:100%;background:var(--bg);border:1px solid var(--line-strong);
  border-radius:8px;padding:11px 13px;color:var(--text);
  font-family:var(--font);font-size:15px;
  transition:border-color .2s;
}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--mint)}
.form-note{font-size:13px;color:var(--text-dim);margin-top:12px}
.form-success{display:none;color:var(--mint);font-weight:600;margin-top:16px}
.form-success.visible{display:block}

/* ---------- CTA band ---------- */
.cta-band{
  margin:0 8%;border:1px solid var(--line-strong);border-radius:var(--radius-lg);
  padding:64px 8%;text-align:center;
  background:
    radial-gradient(500px 260px at 50% -40%, rgba(46,230,168,0.12), transparent 70%),
    var(--bg-card);
}
.cta-band h2{margin-left:auto;margin-right:auto}
.cta-band p{color:var(--text-mid);max-width:560px;margin:0 auto 30px}

/* ---------- Footer ---------- */
footer{
  border-top:1px solid var(--line);padding:44px 8%;
  display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap;
  color:var(--text-dim);font-size:14px;
}
.footer-links{display:flex;gap:26px;flex-wrap:wrap}
.footer-links a{color:var(--text-mid);font-size:14px}
.footer-links a:hover{color:var(--mint)}

/* ---------- Scroll reveal ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

/* ---------- Page hero (product pages) ---------- */
.page-hero{padding:110px 8% 70px;max-width:900px}
.page-hero h1{font-size:clamp(34px,4.4vw,54px);margin-bottom:20px}
.page-hero p{font-size:19px;color:var(--text-mid)}
.crumb{font-size:13px;letter-spacing:2px;text-transform:uppercase;color:var(--text-dim);margin-bottom:18px}
.crumb a{color:var(--text-dim)}
.crumb a:hover{color:var(--mint)}
.crumb .sep{margin:0 8px}
.crumb .here{color:var(--mint)}

/* ---------- Responsive ---------- */
@media (max-width:960px){
  .hero{flex-direction:column;min-height:auto;padding-top:60px}
  .hero-demo{width:100%}
  .feature-row,.feature-row:nth-child(even){flex-direction:column;gap:32px;padding:54px 8%}
  .nav-links{gap:18px}
   .steps{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:640px){
  section{padding:64px 6%}
  .nav-links>a:not(.btn-primary){display:none}
  .nav-drop{display:none}
  .form-grid{grid-template-columns:1fr}
  .cta-band{margin:0 6%;padding:48px 6%}
   .steps{grid-template-columns:1fr}

}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  .redline-del,.redline-ins{opacity:1}
  html{scroll-behavior:auto}
}
/* ============================================================
   Knowledge layer  -  two-column row + flow visual
   Append to assets/style.css. All rules scoped under .kl- so
   they cannot affect any other section. Uses existing tokens.
   ============================================================ */

.kl-row{
  display:grid;
  grid-template-columns:1.02fr 0.98fr;
  gap:56px;
  align-items:center;
}
.kl-row .section-intro{max-width:48ch}

/* ---- flow visual ---- */
.kl-flow{width:100%}

.kl-node{
  background:var(--bg-raise);
  border:1px solid var(--line-strong);
  border-radius:var(--radius);
  padding:16px 20px;
  text-align:center;
  transition:border-color .18s ease;
}
.kl-node:hover{border-color:var(--mint-glow)}
.kl-node .kl-t{font-size:15px;font-weight:600;color:var(--text)}
.kl-node .kl-s{font-size:12.5px;color:var(--text-mid);margin-top:4px;line-height:1.5}

.kl-conn{display:flex;justify-content:center;padding:9px 0}
.kl-conn i{display:block;width:1px;height:20px;background:var(--line-strong)}

.kl-gatewrap{display:flex;flex-direction:column;align-items:center;padding:6px 0}
.kl-gatewrap i{display:block;width:1px;height:16px;background:var(--line-strong)}
.kl-gate{
  border:1px solid var(--mint);
  background:var(--mint-dim);
  color:var(--mint);
  padding:8px 18px;
  border-radius:999px;
  font-size:13px;font-weight:600;letter-spacing:.02em;
  margin:8px 0;
}

.kl-asset{
  background:var(--mint-dim);
  border:1px solid var(--mint);
  border-radius:var(--radius);
  padding:18px 20px;
  text-align:center;
}
.kl-asset .kl-t{font-size:16px;font-weight:600;color:var(--text)}
.kl-asset .kl-s{font-size:12.5px;color:var(--text-mid);margin-top:4px;line-height:1.5}

.kl-fan{color:var(--line-strong);padding-top:4px}
.kl-fan svg{display:block;width:100%;height:auto}
.kl-conn-simple{display:none}

.kl-outputs{display:flex;gap:10px}
.kl-out{
  flex:1 1 0;min-width:0;
  background:var(--bg-card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:14px;
  transition:border-color .18s ease;
}
.kl-out:hover{border-color:var(--mint-glow)}
.kl-out .kl-t{font-size:14px;font-weight:600;color:var(--text)}
.kl-out .kl-s{font-size:11.5px;color:var(--text-dim);margin-top:6px;line-height:1.45}

/* ---- tablet: stack, visual centres full width ---- */
@media (max-width:900px){
  .kl-row{grid-template-columns:1fr;gap:36px}
  .kl-row .section-intro{max-width:none}
  .kl-flow{max-width:560px;margin:0 auto}
}

/* ---- phone: outputs become 2x2, fan swaps for a plain connector ---- */
@media (max-width:560px){
  .kl-fan{display:none}
  .kl-conn-simple{display:flex;justify-content:center;padding:10px 0}
  .kl-conn-simple i{display:block;width:1px;height:22px;background:var(--line-strong)}
  .kl-outputs{flex-wrap:wrap}
  .kl-out{flex:1 1 44%}
}
/* ==========================================================
   APPEND THIS TO THE END OF assets/style.css
   Blog + Resources + mobile navigation
   ========================================================== */

/* ---- Blog index ---- */
.blog-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:22px;margin-top:44px}
.post-card{display:flex;flex-direction:column;background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px;text-decoration:none;transition:border-color .25s,transform .25s}
.post-card:hover{border-color:var(--mint);transform:translateY(-3px)}
.post-tag{align-self:flex-start;border:1px solid var(--line-strong);color:var(--mint);border-radius:6px;padding:2px 10px;font-size:11px;letter-spacing:1.5px;text-transform:uppercase;margin-bottom:16px}
.post-card h3{color:var(--text);font-size:20px;line-height:1.3;margin-bottom:10px}
.post-card p{color:var(--text-mid);font-size:15px;flex:1}
.post-meta{color:var(--text-dim);font-size:13px;margin-top:18px;border-top:1px solid var(--line);padding-top:14px}

/* ---- Article page ---- */
.article-wrap{max-width:760px;margin:0 auto;padding:110px 6% 40px}
.back-link{display:inline-flex;gap:6px;color:var(--text-dim);font-size:14px;margin-bottom:26px}
.back-link:hover{color:var(--mint)}
.article-head{margin-bottom:36px;border-bottom:1px solid var(--line);padding-bottom:28px}
.article-head .post-tag{display:inline-block;margin-bottom:18px}
.article-head h1{font-size:clamp(30px,4vw,44px);line-height:1.16;margin-bottom:16px;color:var(--text);letter-spacing:-0.5px}
.article-meta{color:var(--text-dim);font-size:14px}
.article{color:var(--text-mid);font-size:17.5px;line-height:1.8}
.article h2{color:var(--text);font-size:26px;margin:40px 0 14px;letter-spacing:-0.3px;line-height:1.25}
.article h3{color:var(--text);font-size:20px;margin:30px 0 10px}
.article p{margin-bottom:20px}
.article ul,.article ol{margin:0 0 22px 22px}
.article li{margin-bottom:9px}
.article a{color:var(--mint)}
.article strong{color:var(--text)}
.article blockquote{border-left:2px solid var(--mint);padding-left:20px;margin:26px 0;color:var(--text);font-style:italic}
.article img{border-radius:var(--radius-lg);border:1px solid var(--line-strong);margin:26px 0}
.article-cta{margin-top:48px;border-top:1px solid var(--line);padding-top:32px}

/* ---- Mobile navigation (hamburger) ---- */
.nav-hamburger{display:none;background:none;border:1px solid var(--line-strong);border-radius:8px;width:42px;height:42px;cursor:pointer;align-items:center;justify-content:center}
.nav-hamburger span{display:block;width:18px;height:2px;background:var(--text);position:relative}
.nav-hamburger span::before,.nav-hamburger span::after{content:'';position:absolute;left:0;width:18px;height:2px;background:var(--text)}
.nav-hamburger span::before{top:-6px}
.nav-hamburger span::after{top:6px}
.mobile-menu{display:none;flex-direction:column;position:fixed;top:66px;left:0;right:0;background:var(--bg-card);border-bottom:1px solid var(--line-strong);padding:10px 6% 18px;z-index:99}
.mobile-menu.open{display:flex}
.mobile-menu a{padding:13px 4px;color:var(--text-mid);font-size:16px;border-bottom:1px solid var(--line)}
.mobile-menu a:last-child{border-bottom:none;color:var(--mint);font-weight:600}
.mobile-menu a:hover{color:var(--mint)}

@media (max-width:760px){
  .nav-links{display:none}
  .nav-hamburger{display:flex}
}