:root{
  --bg-dark:#0A0828;
  --bg-mid:#15113A;
  --bg-deep:#0D0B30;
  --bg-blue:#0A0F40;
  --purple-deep:#1F1B4E;
  --purple:#5B2A86;
  --purple-light:#7B5FB8;
  --mauve:#C9B8E8;
  --mauve-soft:#E8DCFA;
  --indigo:#4348C0;
  --indigo-bright:#6B70E0;
  --indigo-glow:#8B92F0;
  --indigo-deep:#1E2274;
  --gold:#D88A2C;
  --gold-light:#F2B65C;
  --gold-glow:#FFE4B0;
  --orange-warn:#E59A3F;
  --white:#FFFFFF;
  --grey:#888;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',-apple-system,BlinkMacSystemFont,"Segoe UI","Helvetica Neue",Arial,sans-serif;
  color:var(--white);
  background:var(--bg-dark);
  line-height:1.6;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
a{text-decoration:none;color:inherit}
img{max-width:100%}
.container{max-width:1200px;margin:0 auto;padding:0 40px}

nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  padding:18px 40px;
  background:rgba(10,8,40,0.85);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(123,95,184,0.18);
  display:flex;justify-content:space-between;align-items:center;
}
nav .logo{font-size:20px;font-weight:900;letter-spacing:1px;color:var(--white)}
nav .logo .accent{color:var(--gold-light)}
nav ul{list-style:none;display:flex;gap:28px}
nav ul a{color:var(--mauve);font-size:14px;font-weight:500;transition:color 0.2s}
nav ul a:hover{color:var(--indigo-glow)}
.cta-btn{
  background:var(--gold);
  color:var(--bg-dark);
  padding:11px 22px;
  border-radius:6px;
  font-weight:700;font-size:14px;
  display:inline-block;transition:all 0.2s;
  border:none;cursor:pointer;
}
.cta-btn:hover{background:var(--gold-light);transform:translateY(-1px);box-shadow:0 8px 24px rgba(216,138,44,0.3)}
.cta-btn.large{font-size:16px;padding:14px 32px}

/* === HERO === */
.hero{
  min-height:100vh;
  padding:140px 40px 100px;
  position:relative;
  background:
    radial-gradient(ellipse 80% 60% at 30% 50%,#26204A 0%,transparent 60%),
    radial-gradient(ellipse 80% 60% at 70% 50%,#1E2274 0%,transparent 60%),
    linear-gradient(135deg,#0A0828 0%,#0D0B30 50%,#0A0F40 100%);
  display:flex;align-items:center;justify-content:center;overflow:hidden;
}
.hero-bg{position:absolute;inset:0;pointer-events:none;opacity:0.85}
.hero-content{max-width:1100px;text-align:center;position:relative;z-index:2}
.hero .eyebrow{
  color:var(--gold-light);
  font-size:13px;font-weight:700;letter-spacing:5px;
  margin-bottom:28px;text-transform:uppercase;
}
.hero h1{
  font-size:clamp(54px,9vw,128px);
  font-weight:900;letter-spacing:-1px;line-height:1;
  margin-bottom:32px;
  text-shadow:0 0 60px rgba(67,72,192,0.35);
}
.hero .tagline{
  font-size:clamp(20px,2.4vw,28px);
  color:var(--mauve-soft);font-weight:500;
  max-width:820px;margin:0 auto 44px;line-height:1.4;
}
.hero .cta-group{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.secondary-btn{
  background:transparent;
  border:1.5px solid var(--indigo-bright);
  color:var(--white);
  padding:11px 24px;border-radius:6px;
  font-weight:600;font-size:14px;
  transition:all 0.2s;display:inline-block;
}
.secondary-btn:hover{background:rgba(107,112,224,0.15);border-color:var(--indigo-glow)}
.hero .credentials{
  margin-top:56px;
  font-size:12px;color:var(--indigo-glow);
  letter-spacing:2.5px;font-weight:600;text-transform:uppercase;
}

/* === HOOK === */
.hook{
  padding:120px 40px;
  background:
    radial-gradient(ellipse at 50% 50%,rgba(67,72,192,0.18) 0%,transparent 60%),
    linear-gradient(180deg,var(--bg-deep) 0%,var(--bg-mid) 100%);
  text-align:center;
}
.hook h2{
  font-size:clamp(34px,5vw,60px);
  font-weight:800;max-width:1000px;
  margin:0 auto 28px;line-height:1.15;letter-spacing:-1px;
}
.hook .accent-gold{color:var(--gold-light)}
.hook .accent-blue{color:var(--indigo-glow)}
.hook p{
  max-width:780px;margin:0 auto;
  color:var(--mauve);font-size:18px;line-height:1.7;
}
.hook strong{color:var(--gold-light);font-weight:600}

/* === Hook 3 examples cards === */
.hook-examples{
  max-width:1100px;
  margin:60px auto 50px;
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(270px,1fr));
  gap:22px;
}
.hook-example{
  padding:28px 26px;
  background:rgba(15,11,48,0.55);
  border:1px solid rgba(123,95,184,0.25);
  border-left:3px solid var(--gold);
  border-radius:12px;
  text-align:left;
  transition:all 0.25s ease-out;
  backdrop-filter:blur(6px);
}
.hook-example:nth-child(2){border-left-color:var(--indigo-bright)}
.hook-example:nth-child(3){border-left-color:var(--mauve)}
.hook-example:hover{
  transform:translateY(-3px);
  box-shadow:0 14px 32px rgba(67,72,192,0.22);
  border-color:rgba(216,138,44,0.4);
}
.hook-example:nth-child(2):hover{border-color:rgba(107,112,224,0.5)}
.hook-example:nth-child(3):hover{border-color:rgba(201,184,232,0.4)}
.hook-tag{
  display:inline-block;
  font-size:10px;font-weight:800;
  letter-spacing:2.5px;text-transform:uppercase;
  color:var(--gold-light);
  margin-bottom:14px;
  padding:4px 10px;
  background:rgba(216,138,44,0.12);
  border-radius:100px;
  border:1px solid rgba(216,138,44,0.3);
}
.hook-example:nth-child(2) .hook-tag{
  color:var(--indigo-glow);
  background:rgba(107,112,224,0.15);
  border-color:rgba(107,112,224,0.35);
}
.hook-example:nth-child(3) .hook-tag{
  color:var(--mauve-soft);
  background:rgba(201,184,232,0.1);
  border-color:rgba(201,184,232,0.3);
}
.hook-example p{
  font-size:17px;color:var(--white);
  line-height:1.5;margin:0;max-width:none;
  font-weight:500;
}
.hook-example p strong{color:var(--gold-light);font-weight:700}
.hook-example:nth-child(2) p strong{color:var(--indigo-glow)}
.hook-example:nth-child(3) p strong{color:var(--mauve-soft)}
.hook-conclusion{
  max-width:780px;margin:0 auto;
  color:var(--mauve);font-size:18px;line-height:1.7;
}
.hook-conclusion strong{color:var(--gold-light);font-weight:700}

/* === SECTION HEADER === */
.section-header{max-width:880px;margin:0 auto 60px;text-align:center}
.section-header .label{
  font-size:12px;font-weight:700;letter-spacing:5px;
  color:var(--indigo-glow);text-transform:uppercase;margin-bottom:18px;
}
.section-header h2{
  font-size:clamp(32px,5vw,52px);
  font-weight:800;margin-bottom:20px;line-height:1.15;letter-spacing:-1px;
}
.section-header p{font-size:18px;color:var(--mauve-soft);max-width:720px;margin:0 auto}

/* === ARCHITECTURE === */
.architecture{
  padding:120px 40px;
  background:
    radial-gradient(ellipse at 80% 20%,rgba(67,72,192,0.15) 0%,transparent 50%),
    radial-gradient(ellipse at 20% 80%,rgba(91,42,134,0.18) 0%,transparent 50%),
    linear-gradient(180deg,var(--bg-dark) 0%,var(--bg-blue) 100%);
}
.layers{max-width:1200px;margin:0 auto;display:flex;flex-direction:column;gap:20px}
.layer{
  padding:32px;border-radius:14px;
  background:rgba(15,11,48,0.4);
  border:1px solid rgba(123,95,184,0.2);
  border-left:4px solid var(--gold);
  transition:all 0.25s;backdrop-filter:blur(4px);
}
.layer:hover{background:rgba(91,42,134,0.18);transform:translateX(4px);box-shadow:0 16px 40px rgba(67,72,192,0.15)}
.layer.layer-gold{border-left-color:var(--gold)}
.layer.layer-blue{border-left-color:var(--indigo-bright)}
.layer.layer-mauve{border-left-color:var(--mauve)}
.layer .layer-tag{
  font-size:11px;font-weight:700;letter-spacing:3.5px;
  color:var(--gold-light);text-transform:uppercase;margin-bottom:10px;
}
.layer.layer-gold .layer-tag{color:var(--gold-light)}
.layer h3{font-size:24px;font-weight:700;margin-bottom:18px;color:var(--white)}
.layer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;margin-top:14px}
.layer-item{
  padding:18px;background:rgba(31,27,78,0.55);
  border-radius:10px;border:1px solid rgba(123,95,184,0.18);
  transition:border-color 0.2s;
}
.layer-item:hover{border-color:var(--indigo-bright)}
.layer-item strong{display:block;color:var(--gold-light);margin-bottom:6px;font-size:15px;font-weight:700}
.layer.layer-blue .layer-item strong{color:var(--indigo-glow)}
.layer-item span{font-size:13px;color:var(--mauve);line-height:1.5}
.layer-item-new{position:relative;border-color:rgba(216,138,44,0.4)}
.layer-new-badge{
  position:absolute;top:-9px;right:12px;
  background:linear-gradient(135deg,var(--gold),var(--gold-light));
  color:var(--bg-dark);
  padding:3px 10px;border-radius:100px;
  font-size:9px;font-weight:800;letter-spacing:1.3px;text-transform:uppercase;
  box-shadow:0 4px 10px rgba(216,138,44,0.4);
}

/* === MINDSCORE === */
.mindscore{
  padding:120px 40px;
  background:
    radial-gradient(ellipse at 50% 50%,rgba(67,72,192,0.12) 0%,transparent 70%),
    var(--bg-dark);
}
.mindscore-container{
  max-width:1200px;margin:0 auto;
  display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center;
}
.ms-text .label{font-size:12px;font-weight:700;letter-spacing:5px;color:var(--gold-light);margin-bottom:18px;text-transform:uppercase}
.ms-text h2{font-size:clamp(32px,4vw,46px);font-weight:800;margin-bottom:22px;letter-spacing:-1px;line-height:1.2}
.ms-text > p{color:var(--mauve-soft);font-size:17px;line-height:1.7;margin-bottom:24px}
.ms-text ul{list-style:none}
.ms-text li{padding:10px 0;color:var(--mauve);font-size:15px;display:flex;align-items:flex-start;gap:14px}
.ms-text li .arrow{color:var(--gold-light);font-weight:700;flex-shrink:0}
.ms-text li strong{color:var(--white);font-weight:600}
.ms-disclaimer{
  margin-top:28px;
  padding:14px 18px;
  border-left:3px solid var(--orange-warn);
  background:rgba(229,154,63,0.08);
  border-radius:0 8px 8px 0;
  font-size:13px;color:var(--mauve);line-height:1.5;font-style:italic;
}
.quadrants{
  position:relative;width:100%;max-width:480px;
  aspect-ratio:1;margin:0 auto;
}
.quadrants svg{width:100%;height:100%;display:block;filter:drop-shadow(0 16px 40px rgba(67,72,192,0.25))}

/* === VALIDATION === */
.validation{
  padding:120px 40px;
  background:linear-gradient(180deg,var(--bg-dark) 0%,var(--bg-mid) 50%,var(--bg-deep) 100%);
  position:relative;
}
.val-pillars{
  max-width:1200px;margin:0 auto 80px;
  display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px;
}
.pillar{
  padding:32px 28px;border-radius:14px;
  background:linear-gradient(135deg,rgba(67,72,192,0.18),rgba(15,11,48,0.4));
  border:1px solid rgba(107,112,224,0.3);
  transition:all 0.25s;
}
.pillar:hover{transform:translateY(-3px);border-color:var(--indigo-bright)}
.pillar .pillar-num{
  width:40px;height:40px;border-radius:50%;
  background:linear-gradient(135deg,var(--indigo),var(--indigo-bright));
  display:flex;align-items:center;justify-content:center;
  color:var(--white);font-weight:800;font-size:16px;margin-bottom:18px;
}
.pillar h4{font-size:19px;font-weight:700;color:var(--white);margin-bottom:6px}
.pillar .pillar-author{font-size:12px;color:var(--gold-light);font-weight:600;margin-bottom:14px;letter-spacing:0.5px}
.pillar p{font-size:14px;color:var(--mauve);line-height:1.6}

.val-pilote{
  max-width:1200px;margin:0 auto 80px;
  padding:48px;
  border-radius:18px;
  background:linear-gradient(135deg,rgba(216,138,44,0.08),rgba(67,72,192,0.12));
  border:1px solid rgba(216,138,44,0.25);
}
.val-pilote h3{font-size:24px;font-weight:700;color:var(--white);margin-bottom:8px}
.val-pilote .sub{font-size:14px;color:var(--gold-light);margin-bottom:32px;letter-spacing:1px;font-weight:600}
.metrics-grid{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px;margin-bottom:24px;
}
.metric{
  padding:24px;border-radius:10px;
  background:rgba(15,11,48,0.5);
  border:1px solid rgba(123,95,184,0.25);
  text-align:center;
}
.metric .val{font-size:38px;font-weight:900;color:var(--indigo-glow);line-height:1;margin-bottom:8px;letter-spacing:-1px}
.metric .lbl{font-size:11px;color:var(--mauve);letter-spacing:1.5px;text-transform:uppercase;font-weight:600;margin-bottom:6px}
.metric .bench{font-size:12px;color:var(--grey);font-style:italic}

.val-disclaimer{
  margin-top:24px;
  padding:16px 20px;
  border-left:3px solid var(--orange-warn);
  background:rgba(229,154,63,0.08);
  border-radius:0 8px 8px 0;
  font-size:13px;color:var(--mauve-soft);line-height:1.6;
}
.val-disclaimer strong{color:var(--orange-warn);font-weight:600}

/* === USE CASES === */
.use-cases{
  padding:120px 40px;
  background:
    radial-gradient(ellipse at 50% 0%,rgba(67,72,192,0.18) 0%,transparent 60%),
    var(--bg-mid);
}
.uc-grid{
  max-width:1200px;margin:0 auto;
  display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:28px;
}
.uc-card{
  padding:36px;border-radius:14px;
  background:linear-gradient(135deg,rgba(91,42,134,0.3),rgba(30,34,116,0.4));
  border:1px solid rgba(123,95,184,0.4);
  transition:all 0.25s;
}
.uc-card:hover{border-color:var(--indigo-bright);transform:translateY(-4px);box-shadow:0 16px 40px rgba(67,72,192,0.25)}
.uc-card .uc-tag{
  display:inline-block;
  padding:5px 14px;border-radius:100px;
  background:rgba(67,72,192,0.2);
  color:var(--indigo-glow);
  font-size:11px;font-weight:700;letter-spacing:1.5px;
  margin-bottom:22px;text-transform:uppercase;
  border:1px solid rgba(67,72,192,0.4);
}
.uc-card .uc-tag.gold{
  background:rgba(216,138,44,0.18);
  color:var(--gold-light);border-color:rgba(216,138,44,0.4);
}
.uc-card h3{font-size:22px;font-weight:700;margin-bottom:16px;color:var(--white)}
.uc-card p{color:var(--mauve);font-size:15px;line-height:1.7}
.uc-card .metric{
  margin-top:20px;padding-top:20px;
  border-top:1px solid rgba(123,95,184,0.25);
  color:var(--gold-light);font-weight:700;font-size:14px;
  background:transparent;border-radius:0;border-left:none;border-right:none;border-bottom:none;
  text-align:left;
}

/* === FOUNDER === */
.founder{
  padding:120px 40px;
  background:linear-gradient(180deg,var(--bg-mid) 0%,var(--bg-deep) 100%);
}
.founder-container{max-width:900px;margin:0 auto;text-align:center}
.founder .label{font-size:12px;font-weight:700;letter-spacing:5px;color:var(--gold-light);margin-bottom:36px;text-transform:uppercase}
.founder blockquote{
  font-size:clamp(22px,2.8vw,32px);
  font-weight:500;font-style:italic;
  color:var(--white);max-width:820px;
  margin:0 auto 36px;line-height:1.4;
  position:relative;padding:0 40px;
}
.founder blockquote::before, .founder blockquote::after{
  font-family:Georgia,serif;
  font-size:80px;color:var(--gold-light);
  position:absolute;line-height:1;font-style:normal;
}
.founder blockquote::before{content:"\201C";top:-20px;left:0}
.founder blockquote::after{content:"\201D";bottom:-50px;right:0}
.founder .author{color:var(--gold-light);font-weight:700;font-size:16px;letter-spacing:1px;margin-bottom:24px}
.founder-bio{color:var(--mauve);font-size:15px;max-width:680px;margin:0 auto;line-height:1.7}

/* === CTA === */
.cta-section{
  padding:120px 40px;
  background:
    radial-gradient(ellipse at 50% 0%,rgba(216,138,44,0.18),transparent 50%),
    radial-gradient(ellipse at 50% 100%,rgba(67,72,192,0.25),transparent 60%),
    linear-gradient(135deg,var(--purple) 0%,var(--indigo-deep) 100%);
  text-align:center;position:relative;overflow:hidden;
}
.cta-section h2{
  font-size:clamp(34px,5vw,52px);
  font-weight:800;margin-bottom:24px;
  letter-spacing:-1px;line-height:1.15;
}
.cta-section .lead{
  font-size:18px;color:var(--mauve-soft);
  max-width:680px;margin:0 auto 44px;
}
.cta-section .contact-line{
  margin-top:32px;color:var(--mauve);font-size:14px;
}

/* === FOOTER === */
footer{padding:60px 40px 32px;background:var(--bg-dark);border-top:1px solid rgba(123,95,184,0.2)}
.footer-grid{
  max-width:1200px;margin:0 auto 36px;
  display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:36px;
}
.footer-col h4{
  font-size:12px;font-weight:700;letter-spacing:2.5px;
  color:var(--indigo-glow);text-transform:uppercase;margin-bottom:16px;
}
.footer-col ul{list-style:none}
.footer-col li{margin-bottom:8px;font-size:14px;color:var(--mauve)}
.footer-col a{color:var(--mauve);transition:color 0.2s}
.footer-col a:hover{color:var(--gold-light)}
.footer-bottom{
  max-width:1200px;margin:0 auto;
  padding-top:24px;border-top:1px solid rgba(123,95,184,0.12);
  font-size:13px;color:var(--grey);
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:16px;
}

@media (max-width:900px){
  .mindscore-container{grid-template-columns:1fr;gap:50px}
  nav ul{display:none}
}
@media (max-width:640px){
  nav{padding:14px 20px}
  .hero{padding:120px 20px 60px}
  .hook,.architecture,.mindscore,.validation,.use-cases,.founder,.cta-section{padding:80px 20px}
  .layer,.uc-card,.val-pilote{padding:24px}
}

/* Modal demo request */
.demo-modal{position:fixed;inset:0;display:none;align-items:center;justify-content:center;z-index:300}
.demo-modal[aria-hidden="false"]{display:flex}
.demo-backdrop{position:absolute;inset:0;background:rgba(4,6,20,0.7);backdrop-filter:blur(6px)}
.demo-panel{position:relative;max-width:720px;width:92%;background:linear-gradient(180deg,#0f0c30,#141033);border-radius:12px;padding:22px 20px;border:1px solid rgba(123,95,184,0.22);box-shadow:0 20px 60px rgba(8,10,30,0.7);color:var(--mauve-soft)}
.demo-close{position:absolute;top:12px;right:12px;background:transparent;border:none;color:var(--mauve);font-size:18px;padding:8px;cursor:pointer}
.demo-panel h3{margin:0 0 6px;font-size:20px;color:var(--white);font-weight:800}
.demo-desc{margin:0 0 12px;color:var(--mauve);font-size:13px}
.demo-form .field{display:flex;flex-direction:column;margin-bottom:12px}
.demo-form label{font-size:12px;color:var(--indigo-glow);margin-bottom:6px;font-weight:700}
.demo-form input, .demo-form textarea{
  background:rgba(15,11,48,0.6);border:1px solid rgba(123,95,184,0.18);color:var(--white);padding:10px;border-radius:8px;font-size:14px;
}
.demo-form textarea{resize:vertical}
.demo-form .actions{display:flex;gap:12px;justify-content:flex-end;margin-top:6px}
.demo-note{font-size:12px;color:var(--mauve);margin-top:12px}

/* preserve original reveal animation */
.reveal{opacity:0;transform:translateY(24px);transition:opacity 0.7s ease-out,transform 0.7s ease-out}
.reveal.visible{opacity:1;transform:translateY(0)}