/* ==========================================================================
   Vithupro Infotech — Enterprise AI Platform Design System
   A monochrome, editorial, high-density design language for enterprise AI.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=Inter+Tight:wght@500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap');

/* ---------- Tokens ---------- */
:root{
  --bg:#FAFAFA;
  --surface:#FFFFFF;
  --ink:#0A0A0B;
  --ink-2:#141416;
  --text:#111111;
  --text-secondary:#666666;
  --text-tertiary:#8A8A8A;
  --border:#E8E8E8;
  --border-strong:#D6D6D6;
  --accent:#0F62FE;
  --accent-ink:#0530A6;
  --accent-soft:#EDF3FF;
  --on-dark:#F5F5F7;
  --on-dark-secondary:#9A9AA2;
  --on-dark-border:rgba(255,255,255,0.12);

  --font-sans:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Helvetica,Arial,sans-serif;
  --font-display:'Inter Tight','Inter',-apple-system,sans-serif;
  --font-mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,monospace;

  --container:1240px;
  --radius-sm:6px;
  --radius-md:10px;
  --radius-lg:16px;
  --ease:cubic-bezier(.16,1,.3,1);
}

/* ---------- Reset ---------- */
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body.ep-body{
  margin:0;
  font-family:var(--font-sans);
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
::selection{background:var(--accent);color:#fff;}

/* ---------- Layout ---------- */
.ep-container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
}
.ep-grid-12{display:grid;grid-template-columns:repeat(12,1fr);gap:32px;}
.ep-section{padding:120px 0;}
.ep-section--tight{padding:80px 0;}
.ep-section--dark{background:var(--ink);color:var(--on-dark);}
.ep-section-border{border-top:1px solid var(--border);}

@media (max-width:1024px){
  .ep-section{padding:88px 0;}
  .ep-container{padding:0 24px;}
}
@media (max-width:640px){
  .ep-section{padding:64px 0;}
  .ep-grid-12{gap:20px;}
}

/* ---------- Typography ---------- */
.ep-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family:var(--font-mono);
  font-size:13px;
  font-weight:500;
  letter-spacing:0.02em;
  text-transform:uppercase;
  color:var(--accent);
  margin:0 0 20px;
}
.ep-eyebrow::before{
  content:'';
  width:6px;height:6px;border-radius:50%;
  background:var(--accent);
  display:inline-block;
}
.ep-section--dark .ep-eyebrow{color:#7FA8FF;}
.ep-section--dark .ep-eyebrow::before{background:#7FA8FF;}

.ep-h1{
  font-family:var(--font-display);
  font-size:clamp(42px,6.6vw,84px);
  line-height:1.02;
  letter-spacing:-0.035em;
  font-weight:700;
  color:var(--text);
  margin:0 0 28px;
}
.ep-h2{
  font-family:var(--font-display);
  font-size:clamp(32px,4vw,52px);
  line-height:1.1;
  letter-spacing:-0.025em;
  font-weight:700;
  color:var(--text);
  margin:0 0 20px;
}
.ep-h3{
  font-family:var(--font-display);
  font-size:clamp(20px,2vw,28px);
  line-height:1.25;
  letter-spacing:-0.01em;
  font-weight:600;
  color:var(--text);
  margin:0 0 12px;
}
.ep-lead{
  font-size:clamp(18px,1.5vw,20.5px);
  line-height:1.65;
  color:var(--text-secondary);
  font-weight:400;
  max-width:680px;
  margin:0 0 32px;
}
.ep-body{font-size:16px;color:var(--text-secondary);line-height:1.7;}
.ep-body-lg{font-size:19px;color:var(--text-secondary);line-height:1.75;max-width:700px;}
.ep-caption{font-size:14px;color:var(--text-tertiary);}
.ep-section--dark .ep-h1,.ep-section--dark .ep-h2,.ep-section--dark .ep-h3{color:var(--on-dark);}
.ep-section--dark .ep-lead,.ep-section--dark .ep-body{color:var(--on-dark-secondary);}

.ep-section-head{max-width:760px;margin:0 0 64px;}
.ep-section-head--center{margin-left:auto;margin-right:auto;text-align:center;}
.ep-section-head--center .ep-lead{margin-left:auto;margin-right:auto;}

/* ---------- Buttons ---------- */
.ep-btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:14px 26px;
  border-radius:8px;
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .25s var(--ease),background .2s ease,border-color .2s ease,color .2s ease;
  white-space:nowrap;
}
.ep-btn svg{width:16px;height:16px;transition:transform .25s var(--ease);}
.ep-btn:hover svg{transform:translateX(3px);}
.ep-btn-primary{background:var(--text);color:#fff;}
.ep-btn-primary:hover{background:#000;}
.ep-btn-accent{background:var(--accent);color:#fff;}
.ep-btn-accent:hover{background:var(--accent-ink);}
.ep-btn-outline{background:transparent;color:var(--text);border-color:var(--border-strong);}
.ep-btn-outline:hover{border-color:var(--text);}
.ep-section--dark .ep-btn-outline{color:var(--on-dark);border-color:var(--on-dark-border);}
.ep-section--dark .ep-btn-outline:hover{border-color:#fff;}
.ep-btn-ghost{background:transparent;color:var(--text);padding-left:0;padding-right:0;}
.ep-btn-ghost:hover{color:var(--accent);}
.ep-section--dark .ep-btn-ghost{color:var(--on-dark);}

/* ---------- Header / Nav ---------- */
.ep-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(250,250,250,0.82);
  backdrop-filter:saturate(180%) blur(14px);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--border);
}
.ep-nav{
  display:flex;align-items:center;justify-content:space-between;
  height:76px;
}
.ep-logo{display:flex;align-items:center;gap:10px;font-family:var(--font-display);font-weight:700;font-size:19px;letter-spacing:-0.01em;color:var(--text);}
.ep-logo img{height:30px;width:auto;}
.ep-header .ep-logo img{height:40px;}
.ep-header .ep-logo{gap:9px;}
@media (max-width:560px){.ep-header .ep-logo img{height:34px;}}
.ep-navlinks{display:flex;align-items:center;gap:36px;}
.ep-navlinks a{
  font-size:15px;font-weight:500;color:var(--text-secondary);
  position:relative;padding:6px 0;transition:color .2s ease;
}
.ep-navlinks a:hover,.ep-navlinks a.is-active{color:var(--text);}
.ep-navlinks a.is-active::after{
  content:'';position:absolute;left:0;right:0;bottom:-4px;height:2px;background:var(--accent);
}
.ep-nav-actions{display:flex;align-items:center;gap:16px;}
.ep-nav-toggle{
  display:none;flex-direction:column;gap:5px;background:none;border:none;padding:8px;cursor:pointer;
}
.ep-nav-toggle span{width:22px;height:2px;background:var(--text);display:block;transition:transform .25s ease,opacity .25s ease;}
.ep-nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.ep-nav-toggle.is-open span:nth-child(2){opacity:0;}
.ep-nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

@media (max-width:900px){
  .ep-navlinks{
    position:fixed;top:76px;left:0;right:0;bottom:0;
    background:var(--surface);
    flex-direction:column;align-items:flex-start;gap:0;
    padding:12px 24px 32px;
    transform:translateY(-8px);opacity:0;visibility:hidden;
    transition:opacity .25s ease,transform .25s ease,visibility .25s;
    overflow-y:auto;
  }
  .ep-navlinks.is-open{opacity:1;transform:translateY(0);visibility:visible;}
  .ep-navlinks a{width:100%;padding:16px 0;border-bottom:1px solid var(--border);}
  .ep-nav-toggle{display:flex;}
  .ep-nav-actions .ep-btn-primary{padding:11px 18px;font-size:14px;}
}

/* Small phones: keep the logo mark + CTA + hamburger, drop the wordmark so the bar never overflows */
@media (max-width:560px){
  .ep-logo-word{display:none;}
  .ep-nav-actions .ep-btn-primary{padding:10px 14px;font-size:13.5px;}
  .ep-nav{height:64px;}
  .ep-navlinks{top:64px;}
}

/* ---------- Hero ---------- */
.ep-hero{position:relative;padding:96px 0 80px;overflow:hidden;}
.ep-hero-grid{display:grid;grid-template-columns:1.05fr 0.95fr;gap:64px;align-items:center;}
.ep-hero-copy p.ep-lead{margin-bottom:40px;}
.ep-hero-actions{display:flex;align-items:center;gap:28px;flex-wrap:wrap;}
.ep-hero-meta{display:flex;gap:32px;margin-top:64px;padding-top:32px;border-top:1px solid var(--border);flex-wrap:wrap;}
.ep-hero-meta div{display:flex;flex-direction:column;gap:4px;}
.ep-hero-meta b{font-family:var(--font-display);font-size:26px;letter-spacing:-0.02em;}
.ep-hero-meta span{font-size:13px;color:var(--text-tertiary);}

@media (max-width:900px){
  .ep-hero-grid{grid-template-columns:1fr;gap:48px;}
  .ep-hero{padding:56px 0 64px;}
}

/* Hero architecture illustration */
.ep-hero-diagram{
  position:relative;border:1px solid var(--border);border-radius:var(--radius-lg);
  background:var(--surface);padding:28px;
}
.ep-node-row{display:flex;flex-direction:column;gap:14px;}
.ep-node{
  display:flex;align-items:center;gap:14px;
  border:1px solid var(--border);border-radius:var(--radius-md);
  padding:14px 16px;background:var(--bg);
  transition:border-color .3s ease,background .3s ease,transform .3s ease;
}
.ep-node.is-active{border-color:var(--accent);background:var(--accent-soft);transform:translateX(4px);}
.ep-node-dot{width:9px;height:9px;border-radius:50%;background:var(--border-strong);flex:none;transition:background .3s ease;}
.ep-node.is-active .ep-node-dot{background:var(--accent);box-shadow:0 0 0 4px rgba(15,98,254,0.15);}
.ep-node-label{font-size:14px;font-weight:600;color:var(--text);}
.ep-node-sub{font-size:12.5px;color:var(--text-tertiary);}
.ep-node-connector{width:1px;height:14px;background:var(--border-strong);margin-left:23px;}

/* ---------- Logo strip (Trusted technologies) ---------- */
.ep-logostrip{padding:56px 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border);}
.ep-logostrip-label{font-family:var(--font-mono);font-size:13px;color:var(--text-tertiary);text-transform:uppercase;letter-spacing:0.04em;margin-bottom:32px;text-align:center;}
.ep-logostrip-row{display:flex;align-items:center;justify-content:center;gap:56px;flex-wrap:wrap;}
.ep-logostrip-row img{
  height:26px;width:auto;object-fit:contain;
  filter:grayscale(100%) contrast(0%) brightness(0.55);
  opacity:0.55;
  transition:opacity .25s ease,filter .25s ease;
}
.ep-logostrip-row img:hover{opacity:0.95;filter:grayscale(0%) contrast(100%) brightness(1);}

/* ---------- Problem statement ---------- */
.ep-problem-list{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--border);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;}
.ep-problem-item{background:var(--surface);padding:36px 32px;}
.ep-problem-num{font-family:var(--font-mono);font-size:13px;color:var(--accent);margin-bottom:16px;display:block;}
.ep-problem-item h4{font-family:var(--font-display);font-size:19px;font-weight:600;letter-spacing:-0.01em;margin:0 0 10px;}
.ep-problem-item p{font-size:15px;color:var(--text-secondary);margin:0;line-height:1.65;}
@media (max-width:900px){.ep-problem-list{grid-template-columns:1fr;}}

/* ---------- Solution cards ---------- */
.ep-solutions{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.ep-solution-card{
  border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:36px 32px;background:var(--surface);
  transition:border-color .25s ease,transform .25s var(--ease),box-shadow .25s ease;
}
.ep-solution-card:hover{border-color:var(--border-strong);transform:translateY(-4px);box-shadow:0 16px 40px rgba(0,0,0,0.06);}
.ep-solution-step{font-family:var(--font-mono);font-size:13px;color:var(--text-tertiary);margin-bottom:24px;}
.ep-solution-card h3{margin-bottom:12px;}
.ep-solution-card p.ep-body{margin-bottom:24px;}
.ep-solution-card ul{display:flex;flex-direction:column;gap:10px;margin-bottom:24px;}
.ep-solution-card ul li{font-size:14.5px;color:var(--text-secondary);display:flex;align-items:baseline;gap:10px;}
.ep-solution-card ul li::before{content:'';width:4px;height:4px;border-radius:50%;background:var(--border-strong);flex:none;transform:translateY(-3px);}
.ep-solution-outcome{font-size:13.5px;padding-top:20px;border-top:1px solid var(--border);color:var(--text-tertiary);}
.ep-solution-outcome b{color:var(--text);font-weight:600;}
@media (max-width:900px){.ep-solutions{grid-template-columns:1fr;}}

/* ---------- Architecture diagram (interactive horizontal workflow) ---------- */
.ep-arch{border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--surface);padding:8px;}
.ep-arch-track{
  display:flex;align-items:stretch;overflow-x:auto;
  scrollbar-width:none;
}
.ep-arch-track::-webkit-scrollbar{display:none;}
.ep-arch-stage{
  flex:1 0 220px;min-width:220px;
  padding:32px 28px;position:relative;
  cursor:pointer;
  transition:background .3s ease;
}
.ep-arch-stage + .ep-arch-stage{border-left:1px solid var(--border);}
.ep-arch-stage.is-active{background:var(--accent-soft);}
.ep-arch-stage-index{font-family:var(--font-mono);font-size:12.5px;color:var(--text-tertiary);margin-bottom:16px;display:block;}
.ep-arch-stage.is-active .ep-arch-stage-index{color:var(--accent);}
.ep-arch-stage h4{font-family:var(--font-display);font-size:16.5px;font-weight:600;letter-spacing:-0.01em;margin:0 0 10px;}
.ep-arch-stage p{font-size:13.5px;color:var(--text-secondary);line-height:1.6;margin:0;}
.ep-arch-stage-arrow{
  position:absolute;right:-9px;top:50%;transform:translateY(-50%);
  width:18px;height:18px;border-radius:50%;background:var(--surface);border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;z-index:2;
}
.ep-arch-stage-arrow svg{width:9px;height:9px;color:var(--text-tertiary);}
.ep-arch-caption{padding:20px 28px;border-top:1px solid var(--border);font-size:14px;color:var(--text-tertiary);}
@media (max-width:900px){
  .ep-arch-track{flex-direction:column;overflow-x:visible;}
  .ep-arch-stage + .ep-arch-stage{border-left:none;border-top:1px solid var(--border);}
  .ep-arch-stage-arrow{display:none;}
}

/* ---------- Capability grid ---------- */
.ep-capgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--border);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;}
.ep-cap-item{background:var(--surface);padding:32px 28px;transition:background .2s ease;}
.ep-cap-item:hover{background:#F5F7FA;}
.ep-cap-icon{width:22px;height:22px;color:var(--accent);margin-bottom:20px;}
.ep-cap-item h4{font-family:var(--font-display);font-size:16px;font-weight:600;letter-spacing:-0.01em;margin:0 0 8px;}
.ep-cap-item p{font-size:13.5px;color:var(--text-secondary);margin:0;line-height:1.6;}
@media (max-width:900px){.ep-capgrid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:520px){.ep-capgrid{grid-template-columns:1fr;}}

/* ---------- Case studies (editorial) ---------- */
.ep-casestudy{
  display:grid;grid-template-columns:0.9fr 1.1fr;gap:56px;
  padding:56px 0;border-top:1px solid var(--border);
}
.ep-casestudy:last-child{border-bottom:1px solid var(--border);}
.ep-cs-tag{font-family:var(--font-mono);font-size:12.5px;color:var(--accent);text-transform:uppercase;letter-spacing:0.03em;display:block;margin-bottom:16px;}
.ep-cs-industry{font-size:13.5px;color:var(--text-tertiary);margin-bottom:20px;}
.ep-cs-metrics{display:flex;gap:40px;margin-top:8px;}
.ep-cs-metrics div{display:flex;flex-direction:column;gap:4px;}
.ep-cs-metrics b{font-family:var(--font-display);font-size:28px;letter-spacing:-0.02em;}
.ep-cs-metrics span{font-size:12.5px;color:var(--text-tertiary);}
.ep-cs-body{display:flex;flex-direction:column;gap:22px;}
.ep-cs-block span{display:block;font-size:12.5px;font-weight:600;text-transform:uppercase;letter-spacing:0.03em;color:var(--text-tertiary);margin-bottom:6px;}
.ep-cs-block p{margin:0;font-size:15px;color:var(--text-secondary);line-height:1.7;}
@media (max-width:900px){.ep-casestudy{grid-template-columns:1fr;gap:24px;}}

/* ---------- Tech stack chips ---------- */
.ep-chips{display:flex;flex-wrap:wrap;gap:10px;}
.ep-chip{
  font-family:var(--font-mono);font-size:13.5px;color:var(--text-secondary);
  border:1px solid var(--border);border-radius:100px;padding:9px 18px;background:var(--surface);
}

/* ---------- Industries ---------- */
.ep-industries{display:grid;grid-template-columns:repeat(6,1fr);gap:1px;background:var(--border);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;}
.ep-industry-item{background:var(--surface);padding:28px 16px;text-align:center;transition:background .2s ease;}
.ep-industry-item:hover{background:#F5F7FA;}
.ep-industry-item span{font-size:14px;font-weight:600;letter-spacing:-0.005em;}
@media (max-width:900px){.ep-industries{grid-template-columns:repeat(3,1fr);}}
@media (max-width:520px){.ep-industries{grid-template-columns:repeat(2,1fr);}}

/* ---------- FAQ accordion ---------- */
.ep-faq{border-top:1px solid var(--border);}
.ep-faq-item{border-bottom:1px solid var(--border);}
.ep-faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:24px;
  background:none;border:none;text-align:left;padding:26px 0;cursor:pointer;
}
.ep-faq-q h4{font-family:var(--font-display);font-size:17px;font-weight:600;letter-spacing:-0.01em;margin:0;color:var(--text);}
.ep-faq-icon{width:18px;height:18px;flex:none;position:relative;}
.ep-faq-icon::before,.ep-faq-icon::after{content:'';position:absolute;background:var(--text);border-radius:2px;transition:transform .25s ease,opacity .25s ease;}
.ep-faq-icon::before{width:100%;height:1.6px;top:50%;left:0;transform:translateY(-50%);}
.ep-faq-icon::after{height:100%;width:1.6px;left:50%;top:0;transform:translateX(-50%);}
.ep-faq-item.is-open .ep-faq-icon::after{opacity:0;transform:translateX(-50%) rotate(90deg);}
.ep-faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease);}
.ep-faq-a p{font-size:15px;color:var(--text-secondary);line-height:1.7;margin:0 0 26px;max-width:720px;}

/* ---------- CTA band ---------- */
.ep-cta{
  border-radius:var(--radius-lg);
  background:var(--ink);color:var(--on-dark);
  padding:72px 64px;
  display:flex;align-items:center;justify-content:space-between;gap:48px;flex-wrap:wrap;
}
.ep-cta h2{color:#fff;margin-bottom:12px;}
.ep-cta p{color:var(--on-dark-secondary);margin:0;max-width:440px;}
@media (max-width:760px){.ep-cta{padding:48px 32px;flex-direction:column;align-items:flex-start;}}

/* ---------- Forms ---------- */
.ep-form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.ep-field{margin-bottom:16px;}
.ep-field label{display:block;font-size:13px;font-weight:600;color:var(--text);margin-bottom:8px;}
.ep-field input,.ep-field textarea,.ep-field select{
  width:100%;border:1px solid var(--border-strong);border-radius:8px;
  padding:13px 16px;font-family:var(--font-sans);font-size:15px;color:var(--text);
  background:var(--surface);transition:border-color .2s ease,box-shadow .2s ease;
}
.ep-field input:focus,.ep-field textarea:focus,.ep-field select:focus{
  outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(15,98,254,0.12);
}
@media (max-width:640px){.ep-form-row{grid-template-columns:1fr;}}

/* ---------- Footer ---------- */
.ep-footer{background:var(--ink);color:var(--on-dark);padding:104px 0 0;}
.ep-footer-grid{display:grid;grid-template-columns:1.3fr 1.25fr 1.7fr 1.05fr;gap:44px;padding-bottom:72px;border-bottom:1px solid var(--on-dark-border);align-items:start;}
.ep-footer-grid>div:nth-child(2) .ep-footer-links,
.ep-footer-grid>div:nth-child(3) .ep-footer-links{column-count:2;column-gap:28px;}
.ep-footer-links li{break-inside:avoid;}
.ep-footer-brand p{color:var(--on-dark-secondary);font-size:14.5px;line-height:1.7;max-width:320px;margin:20px 0 24px;}
.ep-footer h5{font-size:13px;text-transform:uppercase;letter-spacing:0.04em;color:var(--on-dark-secondary);margin:0 0 20px;font-weight:600;}
.ep-footer-links li{margin-bottom:12px;}
.ep-footer-links a{font-size:14.5px;color:#D6D6DC;transition:color .2s ease;}
.ep-footer-links a:hover{color:#fff;}
.ep-footer-social{display:flex;gap:10px;}
.ep-footer-social a{
  width:36px;height:36px;border-radius:50%;border:1px solid var(--on-dark-border);
  display:flex;align-items:center;justify-content:center;transition:border-color .2s ease,background .2s ease;
}
.ep-footer-social a:hover{background:#fff;color:#000;border-color:#fff;}
.ep-footer-bottom{display:flex;justify-content:space-between;align-items:center;padding:28px 0;font-size:13.5px;color:var(--on-dark-secondary);flex-wrap:wrap;gap:12px;}
@media (max-width:900px){.ep-footer-grid{grid-template-columns:1fr 1fr;}.ep-footer-grid>div:nth-child(2) .ep-footer-links,.ep-footer-grid>div:nth-child(3) .ep-footer-links{column-count:1;}}
@media (max-width:560px){.ep-footer-grid{grid-template-columns:1fr;}}

/* ---------- Breadcrumb (sub pages) ---------- */
.ep-breadcrumb{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--text-tertiary);margin-bottom:28px;}
.ep-breadcrumb a{color:var(--text-tertiary);}
.ep-breadcrumb a:hover{color:var(--text);}
.ep-section--dark .ep-breadcrumb,.ep-section--dark .ep-breadcrumb a{color:var(--on-dark-secondary);}

/* ---------- Metric row ---------- */
.ep-metricrow{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--border);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;margin-bottom:72px;}
.ep-metric{background:var(--surface);padding:32px 28px;}
.ep-metric b{display:block;font-family:var(--font-display);font-size:36px;letter-spacing:-0.02em;margin-bottom:6px;}
.ep-metric span{font-size:13.5px;color:var(--text-tertiary);}
@media (max-width:760px){.ep-metricrow{grid-template-columns:repeat(2,1fr);}}

/* ---------- Hero — stacked editorial variant ---------- */
.ep-hero--stacked{padding:88px 0 0;overflow:visible;}
.ep-hero-copy--wide{max-width:900px;margin:0 auto;text-align:center;}
.ep-hero-copy--wide .ep-eyebrow{justify-content:center;}
.ep-hero-copy--wide .ep-lead{margin-left:auto;margin-right:auto;max-width:640px;}
.ep-hero-copy--wide .ep-hero-actions{justify-content:center;}
.ep-hero-canvas{
  position:relative;margin-top:72px;border-top:1px solid var(--border);
  padding:64px 0 0;overflow:hidden;
}
.ep-hero-canvas-bg{
  position:absolute;inset:0;top:0;
  background-image:radial-gradient(var(--border-strong) 1px,transparent 1px);
  background-size:28px 28px;
  opacity:0.45;
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,0.9),transparent 85%);
  mask-image:linear-gradient(180deg,rgba(0,0,0,0.9),transparent 85%);
  animation:ep-drift 40s linear infinite;
}
@keyframes ep-drift{from{background-position:0 0;}to{background-position:280px 140px;}}
/* Hero flow — unified with the narrative step-cards: numbered cards, accent
   arrow connectors, and the JS-cycled node gets the accent highlight. */
.ep-hero-flow{
  position:relative;display:flex;align-items:stretch;justify-content:center;flex-wrap:nowrap;
  gap:10px;max-width:1040px;margin:0 auto;counter-reset:epflow;
}
.ep-hero-flow-node{
  flex:1 1 0;min-width:0;position:relative;
  display:flex;flex-direction:column;align-items:center;justify-content:flex-start;gap:5px;text-align:center;
  padding:15px 14px 16px;
  border:1px solid var(--border-strong);border-radius:14px;background:var(--surface);
  transition:border-color .3s ease,background .3s ease,box-shadow .3s ease;
}
.ep-hero-flow-node::before{
  counter-increment:epflow;content:"0" counter(epflow);
  font-family:var(--font-mono);font-size:11px;font-weight:600;letter-spacing:.08em;color:var(--text-tertiary);
}
.ep-hero-flow-node::after{
  content:"";position:absolute;top:50%;right:-11px;transform:translateY(-50%);z-index:2;
  width:0;height:0;border-top:5px solid transparent;border-bottom:5px solid transparent;border-left:7px solid var(--accent);
}
.ep-hero-flow-node:last-child::after{display:none;}
.ep-hero-flow-node.is-active{
  border-color:var(--accent);background:linear-gradient(180deg,var(--accent-soft),var(--surface));
  box-shadow:0 10px 30px -20px var(--accent);
}
.ep-hero-flow-node.is-active::before{color:var(--accent);}
.ep-hero-flow-node.is-active .ep-hero-flow-label{color:var(--accent-ink);}
.ep-hero-flow-dot{display:none;}
.ep-hero-flow-label{font-size:14px;font-weight:600;color:var(--text);line-height:1.2;}
.ep-hero-flow-sub{font-size:12px;color:var(--text-tertiary);line-height:1.35;}
@media (max-width:900px){
  .ep-hero-flow{flex-direction:column;align-items:stretch;max-width:460px;gap:8px;}
  .ep-hero-flow-node{align-items:flex-start;text-align:left;padding:14px 16px;}
  .ep-hero-flow-node::after{top:auto;right:auto;bottom:-10px;left:50%;transform:translateX(-50%) rotate(90deg);}
}
@media (prefers-reduced-motion:reduce){
  .ep-hero-flow-node{transition:none;}
}

/* ---------- Trusted technologies — text wordmarks ---------- */
.ep-logostrip-row--text{display:flex;align-items:center;justify-content:center;gap:48px;flex-wrap:wrap;}
.ep-techmark{
  font-family:var(--font-display);font-weight:700;font-size:17px;letter-spacing:-0.01em;
  color:var(--text-tertiary);opacity:0.7;transition:color .2s ease,opacity .2s ease;
}
.ep-techmark:hover{color:var(--text);opacity:1;}

/* ---------- Architecture — interactive stage + panel (signature element) ---------- */
.ep-arch2{display:grid;grid-template-columns:0.85fr 1.15fr;gap:0;border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;background:var(--surface);}
.ep-arch2-stages{border-right:1px solid var(--border);padding:12px;}
.ep-arch2-stage{
  width:100%;display:flex;align-items:center;gap:16px;text-align:left;
  background:none;border:none;border-radius:var(--radius-md);cursor:pointer;
  padding:18px 16px;font-family:inherit;transition:background .25s ease;
}
.ep-arch2-stage:hover{background:var(--bg);}
.ep-arch2-stage.is-active{background:var(--accent-soft);}
.ep-arch2-stage-index{
  font-family:var(--font-mono);font-size:13px;color:var(--text-tertiary);flex:none;
  width:26px;transition:color .25s ease;
}
.ep-arch2-stage.is-active .ep-arch2-stage-index{color:var(--accent);}
.ep-arch2-stage-label{font-size:15.5px;font-weight:600;color:var(--text);}
.ep-arch2-panel-wrap{padding:48px;position:relative;min-height:340px;}
.ep-arch2-panel{display:none;animation:ep-fade-in .35s var(--ease);}
.ep-arch2-panel.is-active{display:block;}
@keyframes ep-fade-in{from{opacity:0;transform:translateY(6px);}to{opacity:1;transform:translateY(0);}}
.ep-arch2-panel-index{font-family:var(--font-mono);font-size:13px;color:var(--accent);display:block;margin-bottom:16px;}
.ep-arch2-panel h4{font-family:var(--font-display);font-size:26px;font-weight:700;letter-spacing:-0.02em;margin:0 0 16px;}
.ep-arch2-panel p{font-size:16px;color:var(--text-secondary);line-height:1.7;margin:0 0 24px;max-width:520px;}
.ep-arch2-panel-list{display:flex;flex-direction:column;gap:12px;}
.ep-arch2-panel-list li{
  display:flex;align-items:center;gap:12px;font-size:14.5px;color:var(--text-secondary);
  border:1px solid var(--border);border-radius:8px;padding:12px 16px;
}
.ep-arch2-panel-list li svg{width:16px;height:16px;color:var(--accent);flex:none;}
@media (max-width:900px){
  .ep-arch2{grid-template-columns:1fr;}
  .ep-arch2-stages{border-right:none;border-bottom:1px solid var(--border);display:flex;overflow-x:auto;gap:4px;}
  .ep-arch2-stage{flex:none;white-space:nowrap;}
  .ep-arch2-panel-wrap{padding:32px 24px;min-height:auto;}
}

/* ---------- Capabilities — decluttered ---------- */
.ep-capgrid--flat{display:grid;grid-template-columns:repeat(3,1fr);gap:48px 40px;background:none;border:none;border-radius:0;}
.ep-cap-item--flat{background:none;padding:0;}
.ep-cap-item--flat .ep-cap-icon{width:26px;height:26px;stroke-width:1.2;color:var(--text);margin-bottom:24px;}
.ep-cap-item--flat h4{font-size:18px;margin-bottom:10px;}
.ep-cap-item--flat p{font-size:15px;margin-bottom:16px;}
.ep-cap-more{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--accent);
}
.ep-cap-more svg{width:13px;height:13px;transition:transform .25s var(--ease);}
.ep-cap-item--flat:hover .ep-cap-more svg{transform:translateX(4px);}
@media (max-width:900px){.ep-capgrid--flat{grid-template-columns:repeat(2,1fr);}}
@media (max-width:560px){.ep-capgrid--flat{grid-template-columns:1fr;}}

/* ---------- Narrative proof flow (signature "story before numbers") ---------- */
.ep-narrative{border:1px solid var(--border);border-radius:var(--radius-lg);padding:56px 48px;background:var(--surface);}
.ep-narrative-tag{font-family:var(--font-mono);font-size:12.5px;color:var(--accent);text-transform:uppercase;letter-spacing:0.03em;display:block;margin-bottom:24px;}
/* Stepped flow diagram: connected step-cards with accent arrows, highlighted outcome */
.ep-narrative-flow{display:flex;align-items:stretch;flex-wrap:nowrap;gap:10px;margin-top:6px;counter-reset:epflow;}
.ep-narrative-step{flex:1 1 0;min-width:0;display:flex;}
.ep-narrative-step b{
  position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;
  width:100%;min-height:96px;padding:20px 16px 18px;
  font-family:var(--font-display);font-size:clamp(15px,1.35vw,18px);font-weight:600;line-height:1.25;letter-spacing:-0.01em;
  color:var(--ink);border:1px solid var(--border-strong);border-radius:14px;background:var(--surface);
}
.ep-narrative-step b::before{
  counter-increment:epflow;content:"0" counter(epflow);
  font-family:var(--font-mono);font-size:11px;font-weight:600;letter-spacing:.08em;color:var(--text-tertiary);
  margin-bottom:8px;
}
.ep-narrative-step:first-of-type b{background:var(--bg);color:var(--text-secondary);}
.ep-narrative-step:last-of-type b{
  border-color:var(--accent);background:linear-gradient(180deg,var(--accent-soft),var(--surface));
  color:var(--accent-ink);box-shadow:0 10px 30px -20px var(--accent);
}
.ep-narrative-step:last-of-type b::before{color:var(--accent);}
.ep-narrative-arrow{flex:none;align-self:center;width:24px;height:16px;color:var(--accent);}
.ep-narrative-close{margin-top:28px;font-size:16px;color:var(--text-secondary);max-width:640px;}
@media (max-width:760px){
  .ep-narrative{padding:36px 28px;}
  .ep-narrative-flow{flex-direction:column;align-items:stretch;gap:8px;}
  .ep-narrative-step{width:100%;}
  .ep-narrative-step b{min-height:0;flex-direction:row;gap:12px;justify-content:flex-start;text-align:left;}
  .ep-narrative-step b::before{margin-bottom:0;}
  .ep-narrative-arrow{transform:rotate(90deg);align-self:center;}
}

/* ---------- Trust / governance grid ---------- */
.ep-trustgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--border);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;}
.ep-trust-item{background:var(--surface);padding:36px 32px;}
.ep-trust-item svg{width:22px;height:22px;color:var(--accent);margin-bottom:20px;}
.ep-trust-item h4{font-family:var(--font-display);font-size:17px;font-weight:600;letter-spacing:-0.01em;margin:0 0 8px;}
.ep-trust-item p{font-size:14.5px;color:var(--text-secondary);margin:0;line-height:1.65;}
@media (max-width:900px){.ep-trustgrid{grid-template-columns:1fr;}}

/* ---------- Technology ecosystem — categorized ---------- */
.ep-stackgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:40px;}
.ep-stack-col h5{font-family:var(--font-mono);font-size:12.5px;text-transform:uppercase;letter-spacing:0.04em;color:var(--text-tertiary);margin:0 0 20px;font-weight:500;}
.ep-stack-col ul{display:flex;flex-direction:column;gap:12px;}
.ep-stack-col li{font-size:15px;color:var(--text);border-top:1px solid var(--border);padding-top:12px;}
.ep-stack-col li:first-of-type{border-top:none;padding-top:0;}
@media (max-width:900px){.ep-stackgrid{grid-template-columns:repeat(2,1fr);gap:32px;}}
@media (max-width:560px){.ep-stackgrid{grid-template-columns:1fr;}}

/* ---------- Engagement timeline ---------- */
.ep-timeline{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;}
.ep-timeline-step{padding-top:24px;border-top:2px solid var(--text);}
.ep-timeline-step span{font-family:var(--font-mono);font-size:13px;color:var(--text-tertiary);display:block;margin-bottom:10px;}
.ep-timeline-step h4{font-family:var(--font-display);font-size:19px;font-weight:600;margin:0 0 10px;letter-spacing:-0.01em;}
.ep-timeline-step p{font-size:14.5px;color:var(--text-secondary);margin:0;line-height:1.65;}
@media (max-width:760px){.ep-timeline{grid-template-columns:1fr;}}

/* ---------- Footer — refined ---------- */
.ep-footer-statement{
  font-family:var(--font-display);font-size:clamp(24px,2.6vw,34px);font-weight:600;
  letter-spacing:-0.02em;color:#fff;max-width:720px;margin:0 0 72px;line-height:1.3;
}

/* ---------- Team grid ---------- */
.ep-teamgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:56px 40px;}
.ep-team-card img{
  width:100%;aspect-ratio:4/4.4;object-fit:cover;display:block;
  border-radius:var(--radius-lg);margin-bottom:22px;background:var(--surface);
  filter:grayscale(1);transition:filter .4s var(--ease);
}
.ep-team-card:hover img{filter:grayscale(0);}
.ep-team-card h4{font-family:var(--font-display);font-size:18px;font-weight:600;letter-spacing:-0.01em;margin:0 0 6px;}
.ep-team-card h4 a{color:var(--text);}
.ep-team-card h4 a:hover{opacity:.7;}
.ep-team-role{font-size:14px;color:var(--text-secondary);line-height:1.6;margin:0 0 4px;}
.ep-team-sub{font-size:13px;color:var(--text-tertiary);line-height:1.6;margin:0;}
@media (max-width:900px){.ep-teamgrid{grid-template-columns:repeat(2,1fr);gap:44px 28px;}}
@media (max-width:560px){.ep-teamgrid{grid-template-columns:1fr;}}

/* ---------- Engagement layer: gradient text, glow, terminal, marquee ---------- */
.ep-grad-text{
  background:linear-gradient(90deg,#0F62FE,#7C3AED,#0F62FE);
  background-size:200% 100%;
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
  animation:ep-grad-shift 6s ease-in-out infinite;
}
@keyframes ep-grad-shift{0%,100%{background-position:0% 50%;}50%{background-position:100% 50%;}}

.ep-hero-glow{
  position:absolute;top:-160px;left:50%;transform:translateX(-50%);
  width:900px;height:520px;pointer-events:none;z-index:-1;
  background:radial-gradient(ellipse at center,rgba(15,98,254,0.09),rgba(124,58,237,0.05) 45%,transparent 70%);
  filter:blur(10px);
}
.ep-hero{position:relative;z-index:0;}

/* Live query terminal */
.ep-terminal{
  max-width:680px;margin:0 auto;
  border:1px solid var(--border);border-radius:var(--radius-lg);
  background:var(--surface);
  box-shadow:0 24px 64px rgba(10,10,20,0.08);
  overflow:hidden;text-align:left;position:relative;z-index:1;
}
.ep-terminal-bar{
  display:flex;align-items:center;gap:6px;
  padding:12px 16px;border-bottom:1px solid var(--border);background:var(--bg);
}
.ep-terminal-bar i{width:10px;height:10px;border-radius:50%;background:var(--border-strong);display:inline-block;}
.ep-terminal-bar i:nth-child(1){background:#F87171;}
.ep-terminal-bar i:nth-child(2){background:#FBBF24;}
.ep-terminal-bar i:nth-child(3){background:#34D399;}
.ep-terminal-bar small{margin-left:auto;font-family:var(--font-mono);font-size:11px;letter-spacing:0.05em;color:var(--text-tertiary);text-transform:uppercase;}
.ep-terminal-body{padding:22px 24px 26px;min-height:190px;}
.ep-terminal-q{
  display:flex;align-items:baseline;gap:10px;
  font-family:var(--font-mono);font-size:14.5px;color:var(--text);
  margin-bottom:16px;min-height:22px;
}
.ep-terminal-q::before{content:'›';color:var(--accent);font-weight:700;flex:none;}
.ep-terminal-caret{display:inline-block;width:8px;height:16px;background:var(--accent);margin-left:2px;vertical-align:text-bottom;animation:ep-blink 1s steps(1) infinite;}
@keyframes ep-blink{50%{opacity:0;}}
.ep-terminal-sources{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px;min-height:30px;}
.ep-terminal-src{
  font-family:var(--font-mono);font-size:12px;color:var(--text-secondary);
  border:1px solid var(--border);border-radius:100px;padding:5px 12px;background:var(--bg);
  opacity:0;transform:translateY(6px);transition:opacity .4s var(--ease),transform .4s var(--ease);
}
.ep-terminal-src.is-in{opacity:1;transform:translateY(0);}
.ep-terminal-a{font-size:15px;color:var(--text-secondary);line-height:1.7;min-height:52px;}
.ep-terminal-a sup{color:var(--accent);font-weight:600;font-size:11px;}
.ep-terminal-badge{
  position:absolute;right:20px;bottom:18px;
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:600;color:#0E7A4E;
  background:#E9F9F1;border:1px solid #BEEBD4;border-radius:100px;padding:5px 12px;
  opacity:0;transition:opacity .4s ease;
}
.ep-terminal-badge.is-in{opacity:1;}
.ep-terminal-badge svg{width:12px;height:12px;}

/* Marquee (trusted tech) */
.ep-marquee{overflow:hidden;position:relative;
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent);
  mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent);
}
.ep-marquee-track{display:flex;gap:64px;width:max-content;animation:ep-marquee 28s linear infinite;}
.ep-marquee:hover .ep-marquee-track{animation-play-state:paused;}
@keyframes ep-marquee{from{transform:translateX(0);}to{transform:translateX(-50%);}}
.ep-marquee .ep-techmark{flex:none;}
@media (prefers-reduced-motion:reduce){
  .ep-marquee-track{animation:none;flex-wrap:wrap;justify-content:center;width:100%;}
  .ep-grad-text{animation:none;}
}

/* Staggered reveal for grid children */
.ep-reveal.is-visible .ep-cap-item--flat,
.ep-reveal.is-visible .ep-problem-item,
.ep-reveal.is-visible .ep-solution-card,
.ep-reveal.is-visible .ep-trust-item,
.ep-reveal.is-visible .ep-timeline-step,
.ep-reveal.is-visible .ep-metric{animation:ep-rise .6s var(--ease) both;}
.ep-reveal.is-visible > :nth-child(1){animation-delay:.05s;}
.ep-reveal.is-visible > :nth-child(2){animation-delay:.12s;}
.ep-reveal.is-visible > :nth-child(3){animation-delay:.19s;}
.ep-reveal.is-visible > :nth-child(4){animation-delay:.26s;}
.ep-reveal.is-visible > :nth-child(5){animation-delay:.33s;}
.ep-reveal.is-visible > :nth-child(6){animation-delay:.4s;}
.ep-reveal.is-visible > :nth-child(7){animation-delay:.47s;}
.ep-reveal.is-visible > :nth-child(8){animation-delay:.54s;}
@keyframes ep-rise{from{opacity:0;transform:translateY(18px);}to{opacity:1;transform:translateY(0);}}
@media (prefers-reduced-motion:reduce){
  .ep-reveal.is-visible .ep-cap-item--flat,
  .ep-reveal.is-visible .ep-problem-item,
  .ep-reveal.is-visible .ep-solution-card,
  .ep-reveal.is-visible .ep-trust-item,
  .ep-reveal.is-visible .ep-timeline-step,
  .ep-reveal.is-visible .ep-metric{animation:none;}
}

/* Recognition badges */
.ep-badges{display:flex;gap:12px;flex-wrap:wrap;justify-content:center;margin-top:28px;}
.ep-badge{
  font-family:var(--font-mono);font-size:12px;letter-spacing:0.03em;
  color:var(--text-secondary);border:1px solid var(--border);border-radius:100px;
  padding:7px 16px;background:var(--surface);display:inline-flex;align-items:center;gap:7px;
}
.ep-badge::before{content:'';width:5px;height:5px;border-radius:50%;background:var(--accent);}

/* ---------- Live demo ---------- */
.ep-demo{border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--surface);overflow:hidden;box-shadow:0 24px 64px rgba(10,10,20,0.06);}
.ep-demo-head{padding:20px 24px;border-bottom:1px solid var(--border);background:var(--bg);display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.ep-demo-head b{font-size:14.5px;color:var(--text);font-weight:600;}
.ep-demo-head small{font-family:var(--font-mono);font-size:11.5px;color:var(--text-tertiary);text-transform:uppercase;letter-spacing:0.04em;margin-left:auto;}
.ep-demo-body{padding:24px;}
.ep-demo-chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px;}
.ep-demo-chip{font-size:13px;color:var(--text-secondary);border:1px solid var(--border-strong);background:var(--surface);border-radius:100px;padding:7px 14px;cursor:pointer;font-family:inherit;transition:border-color .2s ease,color .2s ease;}
.ep-demo-chip:hover{border-color:var(--text);color:var(--text);}
.ep-demo-inputrow{display:flex;gap:10px;margin-bottom:8px;}
.ep-demo-input{flex:1;border:1px solid var(--border-strong);border-radius:8px;padding:13px 16px;font-family:inherit;font-size:15px;color:var(--text);background:var(--surface);}
.ep-demo-input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(15,98,254,0.12);}
.ep-demo-note{font-size:12.5px;color:var(--text-tertiary);margin:0 0 20px;}
.ep-demo-answer{border:1px solid var(--border);border-radius:var(--radius-md);padding:22px;background:var(--bg);margin-bottom:16px;min-height:60px;}
.ep-demo-answer.is-empty{color:var(--text-tertiary);font-size:14px;display:flex;align-items:center;}
.ep-demo-answer p{margin:0;font-size:16px;line-height:1.7;color:var(--text);}
.ep-demo-answer sup{color:var(--accent);font-weight:700;font-size:11px;padding:0 1px;}
.ep-demo-badge{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;color:#0E7A4E;background:#E9F9F1;border:1px solid #BEEBD4;border-radius:100px;padding:4px 12px;margin-top:16px;}
.ep-demo-badge svg{width:12px;height:12px;}
.ep-demo-sources{margin-top:18px;}
.ep-demo-sources h5{font-family:var(--font-mono);font-size:11.5px;text-transform:uppercase;letter-spacing:0.04em;color:var(--text-tertiary);margin:0 0 10px;font-weight:500;}
.ep-demo-src{border:1px solid var(--border);border-radius:8px;padding:12px 14px;margin-bottom:8px;background:var(--surface);}
.ep-demo-src-top{display:flex;align-items:center;gap:8px;margin-bottom:6px;}
.ep-demo-src-tag{font-family:var(--font-mono);font-size:11px;color:var(--accent);}
.ep-demo-src-name{font-size:13px;font-weight:600;color:var(--text);}
.ep-demo-src-score{margin-left:auto;font-family:var(--font-mono);font-size:11px;color:var(--text-tertiary);}
.ep-demo-src-text{font-size:13.5px;color:var(--text-secondary);line-height:1.6;margin:0;}
.ep-demo-src-text mark{background:var(--accent-soft);color:var(--accent-ink);padding:0 2px;border-radius:3px;}
@media (max-width:560px){.ep-demo-inputrow{flex-direction:column;}}

/* ---------- Find & Fix demo ---------- */
.ep-ff-toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;padding:16px 20px;border-bottom:1px solid var(--border);background:var(--bg);}
.ep-ff-sample{border:1px solid var(--border-strong);border-radius:8px;padding:9px 12px;font-family:inherit;font-size:14px;background:var(--surface);color:var(--text);}
.ep-ff-scan{font-family:inherit;}
.ep-ff-paste-toggle{margin-left:auto;background:none;border:none;color:var(--accent);font-size:13.5px;font-weight:600;cursor:pointer;font-family:inherit;}
.ep-ff-paste{display:none;width:100%;border:0;border-bottom:1px solid var(--border);padding:16px 20px;font-family:var(--font-mono);font-size:12.5px;line-height:1.55;min-height:180px;resize:vertical;background:#0d1117;color:#e6edf3;}
.ep-ff-paste.is-open{display:block;}
.ep-ff-grid{display:grid;grid-template-columns:1.05fr 0.95fr;gap:0;}
.ep-ff-code{background:#0d1117;color:#e6edf3;font-family:var(--font-mono);font-size:12.5px;line-height:1.6;overflow:auto;max-height:520px;padding:14px 0;}
.ep-ff-line{display:flex;align-items:flex-start;padding:0 16px;white-space:pre;}
.ep-ff-line .ep-ff-ln{color:#4b5563;width:26px;flex:none;text-align:right;margin-right:16px;user-select:none;}
.ep-ff-line code{font-family:inherit;color:#e6edf3;white-space:pre;}
.ep-ff-line.vuln{background:rgba(255,90,90,0.10);box-shadow:inset 3px 0 0 #e5484d;}
.ep-ff-line.vuln.sev-high{background:rgba(255,160,60,0.10);box-shadow:inset 3px 0 0 #f59e0b;}
.ep-ff-line.vuln.sev-medium{background:rgba(240,200,60,0.10);box-shadow:inset 3px 0 0 #d4a72c;}
.ep-ff-line.fixed{background:rgba(52,211,153,0.12);box-shadow:inset 3px 0 0 #22c55e;}
.ep-ff-side{border-left:1px solid var(--border);display:flex;flex-direction:column;max-height:520px;}
.ep-ff-findings{padding:18px;overflow:auto;flex:1;}
.ep-ff-empty{font-size:13.5px;color:var(--text-tertiary);margin:8px 0;}
.ep-ff-finding{border:1px solid var(--border);border-radius:var(--radius-md);padding:14px 16px;margin-bottom:14px;background:var(--surface);}
.ep-ff-fhead{display:flex;align-items:center;gap:10px;margin-bottom:8px;flex-wrap:wrap;}
.ep-ff-fhead b{font-size:14.5px;color:var(--text);}
.ep-ff-fline{margin-left:auto;font-family:var(--font-mono);font-size:11.5px;color:var(--text-tertiary);}
.ep-ff-sev{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:0.03em;border-radius:100px;padding:2px 9px;}
.ep-ff-sev.sev-critical{background:#FDE7E7;color:#B4231F;}
.ep-ff-sev.sev-high{background:#FFF1DF;color:#9A5B00;}
.ep-ff-sev.sev-medium{background:#FBF4D8;color:#7A5C00;}
.ep-ff-fexpl{font-size:13px;color:var(--text-secondary);line-height:1.6;margin:0 0 12px;}
.ep-ff-diff{font-family:var(--font-mono);font-size:12px;border-radius:8px;overflow:hidden;border:1px solid var(--border);margin-bottom:12px;}
.ep-ff-del,.ep-ff-add{display:flex;gap:10px;padding:6px 12px;white-space:pre-wrap;word-break:break-word;}
.ep-ff-del{background:#FDECEC;color:#8A1F1A;}
.ep-ff-add{background:#E9F9EF;color:#0E6B3D;}
.ep-ff-del span,.ep-ff-add span{font-weight:700;flex:none;}
.ep-ff-actions{display:flex;gap:10px;align-items:center;}
.ep-ff-approve{font-size:13px;padding:9px 16px;}
.ep-ff-reject{background:none;border:1px solid var(--border-strong);border-radius:8px;padding:8px 14px;font-size:13px;font-weight:600;cursor:pointer;font-family:inherit;color:var(--text-secondary);}
.ep-ff-reject:hover{border-color:var(--text);color:var(--text);}
.ep-ff-audit{border-top:1px solid var(--border);max-height:190px;overflow:auto;background:var(--bg);}
.ep-ff-audit h5{font-family:var(--font-mono);font-size:11px;text-transform:uppercase;letter-spacing:0.06em;color:var(--text-tertiary);margin:0;padding:12px 18px 6px;position:sticky;top:0;background:var(--bg);}
.ep-ff-audit-list{list-style:none;margin:0;padding:0 18px 14px;}
.ep-ff-audit-item{display:flex;gap:10px;align-items:baseline;font-size:12.5px;padding:4px 0;border-top:1px solid var(--border);}
.ep-ff-audit-item:first-child{border-top:none;}
.ep-ff-audit-step{font-family:var(--font-mono);color:var(--text-tertiary);flex:none;}
.ep-ff-audit-act{font-family:var(--font-mono);font-weight:600;flex:none;width:78px;}
.ep-ff-audit-item.ok .ep-ff-audit-act{color:#0E7A4E;}
.ep-ff-audit-item.warn .ep-ff-audit-act{color:#9A5B00;}
.ep-ff-audit-item.scan .ep-ff-audit-act{color:var(--accent);}
.ep-ff-audit-txt{color:var(--text-secondary);}
@media (max-width:820px){.ep-ff-grid{grid-template-columns:1fr;}.ep-ff-side{border-left:none;border-top:1px solid var(--border);}}

/* ---------- Insights / blog ---------- */
.ep-articles{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--border);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;}
.ep-article-card{background:var(--surface);padding:32px 28px;display:flex;flex-direction:column;gap:14px;transition:background .2s ease;}
.ep-article-card:hover{background:#F5F7FA;}
.ep-article-tag{font-family:var(--font-mono);font-size:12px;color:var(--accent);text-transform:uppercase;letter-spacing:0.03em;}
.ep-article-card h3{font-family:var(--font-display);font-size:19px;font-weight:600;letter-spacing:-0.01em;margin:0;line-height:1.3;}
.ep-article-card p{font-size:14.5px;color:var(--text-secondary);line-height:1.6;margin:0;flex:1;}
.ep-article-meta{font-size:12.5px;color:var(--text-tertiary);}
@media (max-width:900px){.ep-articles{grid-template-columns:1fr;}}

.ep-article{max-width:720px;}
.ep-article .ep-article-meta{margin-bottom:32px;display:block;}
.ep-article h2{font-family:var(--font-display);font-size:26px;font-weight:700;letter-spacing:-0.02em;margin:44px 0 16px;color:var(--text);}
.ep-article h3{font-family:var(--font-display);font-size:20px;font-weight:600;margin:32px 0 12px;color:var(--text);}
.ep-article p{font-size:17px;line-height:1.75;color:var(--text-secondary);margin:0 0 20px;}
.ep-article ul,.ep-article ol{padding-left:22px;margin:0 0 20px;}
.ep-article ul{list-style:disc;}
.ep-article ol{list-style:decimal;}
.ep-article li{font-size:17px;line-height:1.7;color:var(--text-secondary);margin-bottom:10px;}
.ep-article strong{color:var(--text);font-weight:600;}
.ep-article a{color:var(--accent);}
.ep-article a:hover{text-decoration:underline;}
.ep-article blockquote{border-left:3px solid var(--accent);padding:4px 0 4px 20px;margin:0 0 20px;color:var(--text);font-size:18px;}
.ep-article-callout{border:1px solid var(--border);border-radius:var(--radius-md);background:var(--bg);padding:20px 24px;margin:0 0 24px;}
.ep-article-callout p{margin:0;font-size:15px;}
.ep-table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:0 0 24px;}
.ep-article .ep-table-wrap{margin:0 0 24px;}
.ep-article .ep-table-wrap table{margin:0;}
.ep-article table{width:100%;border-collapse:collapse;margin:0 0 24px;font-size:15px;}
.ep-article .ep-table-wrap table{min-width:520px;}
.ep-article th,.ep-article td{border:1px solid var(--border);padding:10px 14px;text-align:left;}
.ep-article th{background:var(--bg);font-weight:600;color:var(--text);font-size:13px;}
.ep-article td{color:var(--text-secondary);}
.ep-article-cta{margin-top:48px;padding-top:32px;border-top:1px solid var(--border);}

/* ---------- Legal pages ---------- */
.ep-legal{max-width:760px;}
.ep-legal h2{
  font-family:var(--font-display);font-size:22px;font-weight:600;letter-spacing:-0.01em;
  margin:48px 0 14px;color:var(--text);
}
.ep-legal h2:first-of-type{margin-top:0;}
.ep-legal p{font-size:15.5px;color:var(--text-secondary);line-height:1.75;margin:0 0 16px;}
.ep-legal ul{list-style:disc;padding-left:22px;margin:0 0 16px;display:block;}
.ep-legal ul li{font-size:15.5px;color:var(--text-secondary);line-height:1.7;margin-bottom:8px;}
.ep-legal a{color:var(--accent);}
.ep-legal a:hover{text-decoration:underline;}
.ep-legal-updated{font-family:var(--font-mono);font-size:13px;color:var(--text-tertiary);margin-bottom:40px;display:block;}

/* ---------- Skip link (accessibility) ---------- */
.ep-skip{
  position:absolute;left:12px;top:-64px;z-index:2000;
  background:var(--ink);color:#fff;padding:11px 18px;border-radius:8px;
  font-size:14px;font-weight:600;text-decoration:none;
  transition:top .2s var(--ease);
}
.ep-skip:focus{top:12px;outline:2px solid var(--accent);outline-offset:2px;}

/* ---------- Scroll reveal ---------- */
.ep-reveal{opacity:0;transform:translateY(24px);transition:opacity .7s var(--ease),transform .7s var(--ease);}
.ep-reveal.is-visible{opacity:1;transform:translateY(0);}
@media (prefers-reduced-motion:reduce){
  .ep-reveal{opacity:1;transform:none;transition:none;}
  html{scroll-behavior:auto;}
}

/* ==========================================================================
   Visualization toolkit (viz.js) — light + dark, reduced-motion aware
   ========================================================================== */
.ep-viz{
  --viz-accent:var(--accent);
  --viz-node:var(--ink);
  --viz-line:rgba(17,17,17,0.13);
  --viz-text:var(--text-secondary);
  --viz-surface:var(--surface);
  --viz-track:var(--border);
}
/* dark contexts (CTA band, dark sections) restyle via one selector */
.ep-cta .ep-viz,.ep-viz--ondark,.ep-hero--dark .ep-viz{
  --viz-node:#F5F5F7;
  --viz-line:rgba(255,255,255,0.16);
  --viz-text:var(--on-dark-secondary);
  --viz-surface:#0A0A0B;
  --viz-track:rgba(255,255,255,0.14);
}

/* ---------- Knowledge graph ---------- */
.ep-viz--graph{position:relative;width:100%;height:340px;border-radius:var(--radius-lg);
  border:1px solid var(--border);background:
    radial-gradient(120% 120% at 50% 0%,var(--accent-soft) 0%,transparent 55%),var(--surface);
  overflow:hidden;}
.ep-viz-canvas{display:block;width:100%;height:100%;}
.ep-viz-graph-legend{display:flex;gap:20px;flex-wrap:wrap;margin-top:14px;
  font-family:var(--font-mono);font-size:12px;color:var(--text-tertiary);}
.ep-viz-graph-legend span{display:inline-flex;align-items:center;gap:7px;}
.ep-viz-graph-legend i{width:9px;height:9px;border-radius:50%;background:var(--ink);}
.ep-viz-graph-legend i.is-accent{background:var(--accent);}

/* ---------- Metric bars ---------- */
.ep-viz--bars{display:flex;flex-direction:column;gap:20px;}
.ep-viz-bar-head{display:flex;justify-content:space-between;align-items:baseline;gap:16px;margin-bottom:9px;}
.ep-viz-bar-label{font-size:15px;font-weight:500;color:var(--text);}
.ep-viz-bar-value{font-family:var(--font-mono);font-size:15px;font-weight:600;color:var(--ink);
  font-variant-numeric:tabular-nums;}
.ep-viz-bar-track{height:8px;border-radius:99px;background:var(--border);overflow:hidden;}
.ep-viz-bar-fill{height:100%;width:0;border-radius:99px;background:var(--ink);
  transition:width 1s cubic-bezier(.16,1,.3,1);}
.ep-viz-bar-fill.is-accent{background:linear-gradient(90deg,var(--accent),var(--accent-ink));}
.ep-viz-bar-hint{margin-top:7px;font-size:13px;color:var(--text-tertiary);}

/* ---------- Trend line / sparkline ---------- */
.ep-viz-line-wrap{width:100%;height:56px;}
.ep-viz-line-svg{width:100%;height:100%;display:block;}
.ep-viz-line-path{stroke:var(--accent);stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}
.ep-viz-line-dot{fill:var(--accent);}
.ep-viz-line-g0{stop-color:var(--accent);stop-opacity:.18;}
.ep-viz-line-g1{stop-color:var(--accent);stop-opacity:0;}
.ep-viz-line-cap{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:8px;
  font-family:var(--font-mono);font-size:12px;color:var(--text-tertiary);}
.ep-viz-line-cap b{color:var(--ink);font-weight:600;}

/* ---------- KPI gauge ---------- */
.ep-viz--gauge{position:relative;width:150px;height:150px;display:grid;place-items:center;}
.ep-viz-gauge-svg{width:100%;height:100%;transform:rotate(0);}
.ep-viz-gauge-track{stroke:var(--border);stroke-width:8;}
.ep-viz-gauge-arc{stroke:var(--accent);stroke-width:8;stroke-linecap:round;}
.ep-viz-gauge-center{position:absolute;inset:0;display:flex;flex-direction:column;
  align-items:center;justify-content:center;text-align:center;}
.ep-viz-gauge-num{font-family:var(--font-display);font-size:34px;font-weight:600;letter-spacing:-.02em;
  color:var(--ink);font-variant-numeric:tabular-nums;line-height:1;}
.ep-viz-gauge-label{margin-top:6px;font-size:12px;color:var(--text-secondary);max-width:110px;}

/* reduced motion: no fill/arc/line transitions */
@media (prefers-reduced-motion:reduce){
  .ep-viz-bar-fill,.ep-viz-gauge-arc,.ep-viz-line-path{transition:none !important;}
}

/* ==========================================================================
   AI Runtime Governance — stack diagram + policy code card
   ========================================================================== */
.ep-runtime{display:flex;flex-direction:column;align-items:stretch;gap:0;max-width:920px;margin:0 auto;}
.ep-runtime-layer{border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--surface);
  padding:22px 24px;text-align:center;}
.ep-runtime-layer--core{border-color:var(--accent);background:
  linear-gradient(180deg,var(--accent-soft),var(--surface));box-shadow:0 8px 30px -18px var(--accent);}
.ep-runtime-tag{display:block;font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;
  text-transform:uppercase;color:var(--text-tertiary);margin-bottom:14px;}
.ep-runtime-layer--core .ep-runtime-tag{color:var(--accent-ink);font-weight:600;}
.ep-runtime-chips{display:flex;flex-wrap:wrap;gap:9px;justify-content:center;}
.ep-runtime-chips span{font-size:13.5px;font-weight:500;color:var(--text);
  border:1px solid var(--border-strong);border-radius:99px;padding:7px 14px;background:var(--bg);}
.ep-runtime-layer--core .ep-runtime-chips span{border-color:rgba(15,98,254,.28);background:var(--surface);color:var(--ink);}
.ep-runtime-arrow{display:flex;justify-content:center;color:var(--border-strong);padding:8px 0;}
.ep-runtime-arrow svg{width:24px;height:24px;}

.ep-codecard{max-width:720px;margin:0 auto;border:1px solid var(--border);border-radius:var(--radius-md);
  overflow:hidden;background:var(--ink);}
.ep-codecard-bar{display:flex;align-items:center;gap:7px;padding:11px 16px;background:var(--ink-2);
  border-bottom:1px solid rgba(255,255,255,.08);}
.ep-codecard-bar i{width:11px;height:11px;border-radius:50%;background:rgba(255,255,255,.22);}
.ep-codecard-bar small{margin-left:10px;font-family:var(--font-mono);font-size:12px;color:var(--on-dark-secondary);}
.ep-codecard-body{margin:0;padding:22px 24px;font-family:var(--font-mono);font-size:13.5px;line-height:1.75;
  color:var(--on-dark);white-space:pre;overflow-x:auto;}
.ep-c-c{color:#7DA6FF;}
.ep-c-k{color:#9A9AA2;}
.ep-c-a{color:#6FE0A6;}

@media (max-width:640px){
  .ep-runtime-chips span{font-size:12.5px;padding:6px 11px;}
  .ep-codecard-body{font-size:12.5px;}
}

/* ==========================================================================
   Governance initiative — attack path + agent permissions
   ========================================================================== */
.ep-attackpath{display:flex;align-items:stretch;flex-wrap:nowrap;overflow-x:auto;padding:6px 2px 16px;}
.ep-ap-node{flex:0 0 auto;display:flex;flex-direction:column;justify-content:center;text-align:center;
  font-size:14px;font-weight:600;color:var(--ink);border:1px solid var(--border-strong);border-radius:12px;
  padding:14px 16px;background:var(--surface);white-space:nowrap;}
.ep-ap-node small{display:block;font-family:var(--font-mono);font-size:10px;font-weight:500;color:var(--text-tertiary);
  margin-top:4px;text-transform:uppercase;letter-spacing:.07em;}
.ep-ap-node--danger{border-color:var(--accent);background:var(--accent-soft);color:var(--accent-ink);}
.ep-ap-node--danger small{color:var(--accent);}
.ep-ap-link{flex:0 0 auto;align-self:center;width:30px;height:2px;background:var(--border-strong);position:relative;margin:0 3px;}
.ep-ap-link::after{content:"";position:absolute;right:-1px;top:-4px;border-left:7px solid var(--border-strong);
  border-top:5px solid transparent;border-bottom:5px solid transparent;}
.ep-ap-link.is-hot{background:var(--accent);}
.ep-ap-link.is-hot::after{border-left-color:var(--accent);}
.ep-blastnote{display:flex;align-items:flex-start;gap:12px;margin-top:10px;padding:16px 20px;
  border:1px solid rgba(15,98,254,.28);border-radius:12px;background:var(--accent-soft);}
.ep-blastnote svg{flex:0 0 auto;width:20px;height:20px;color:var(--accent);margin-top:1px;}
.ep-blastnote p{margin:0;font-size:14.5px;color:var(--accent-ink);}
.ep-blastnote b{color:var(--accent-ink);}

.ep-permcard{border:1px solid var(--border);border-radius:16px;background:var(--surface);padding:26px 28px;max-width:460px;}
.ep-permcard-head{display:flex;align-items:center;gap:11px;margin-bottom:18px;padding-bottom:16px;border-bottom:1px solid var(--border);}
.ep-permcard-head b{font-size:16px;color:var(--ink);}
.ep-permcard-head span{font-family:var(--font-mono);font-size:11px;letter-spacing:.07em;text-transform:uppercase;color:var(--text-tertiary);}
.ep-perms{display:grid;gap:9px;}
.ep-perm{display:flex;align-items:center;gap:11px;padding:10px 14px;border:1px solid var(--border);border-radius:10px;
  background:var(--bg);font-size:14.5px;}
.ep-perm svg{flex:0 0 auto;width:17px;height:17px;}
.ep-perm--allow{color:var(--text);}
.ep-perm--allow svg{color:var(--accent);}
.ep-perm--deny{color:var(--text-tertiary);}
.ep-perm--deny svg{color:var(--border-strong);}

.ep-splitgrid{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;}
@media (max-width:820px){.ep-splitgrid{grid-template-columns:1fr;gap:32px;}}

/* ==========================================================================
   Homepage flagship band — AI Runtime Governance
   ========================================================================== */
.ep-flagship{
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
  background:radial-gradient(120% 140% at 100% 0%,#16161A 0%,var(--ink) 55%);
  border:1px solid rgba(255,255,255,.10);border-radius:var(--radius-lg);
  padding:52px 56px;overflow:hidden;
}
.ep-flagship-tag{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-mono);
  font-size:12px;letter-spacing:.09em;text-transform:uppercase;color:var(--accent);
  border:1px solid rgba(15,98,254,.4);border-radius:99px;padding:6px 13px;margin-bottom:20px;}
.ep-flagship-tag::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--accent);}
.ep-flagship h2{font-family:var(--font-display);font-size:clamp(30px,3.4vw,42px);line-height:1.05;
  letter-spacing:-.02em;color:#fff;margin:0 0 16px;}
.ep-flagship p{font-size:16.5px;line-height:1.6;color:var(--on-dark-secondary);margin:0 0 22px;max-width:44ch;}
.ep-flagship-list{list-style:none;margin:0 0 30px;padding:0;display:grid;gap:11px;}
.ep-flagship-list li{display:flex;align-items:flex-start;gap:11px;color:var(--on-dark);font-size:15px;}
.ep-flagship-list svg{flex:0 0 auto;width:18px;height:18px;color:var(--accent);margin-top:1px;}
.ep-flagship-actions{display:flex;flex-wrap:wrap;gap:14px;}
.ep-btn-ghost-ondark{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.28);}
.ep-btn-ghost-ondark:hover{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.5);}
.ep-flagship-viz .ep-viz--graph{background:transparent;border-color:rgba(255,255,255,.12);height:360px;}
.ep-flagship-viz .ep-viz-graph-legend{color:var(--on-dark-secondary);}
.ep-flagship-viz .ep-viz-graph-legend i{background:var(--on-dark);}
.ep-flagship-viz .ep-viz-graph-legend i.is-accent{background:var(--accent);}
@media (max-width:900px){
  .ep-flagship{grid-template-columns:1fr;gap:36px;padding:40px 28px;}
  .ep-flagship p{max-width:none;}
}