/* NormSense Marketing Pages — Shared Stylesheet
   Used by: landing, platform, ontology, research, architecture, demo, privacy, terms */

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

:root{
  --bg-base:#070B0F;--bg-surface:#0D1117;--bg-elevated:#131920;
  --border:#1E2D3D;--border-mid:#243447;
  --text-primary:#E6EDF3;
  --text-muted:#E6EDF3;--text-dim:#C8D3DF;
  --accent:#2F81F7;
  --accent-glow:rgba(47,129,247,0.15);
  --monitor:#3FB950;--amber:#E8A85F;
  --font-mono:'JetBrains Mono',monospace;
  --font-sans:'Space Grotesk',sans-serif;
  --font-display:'Fraunces',serif;
}

html,body{background:var(--bg-base);color:var(--text-primary);font-family:var(--font-sans);scroll-behavior:smooth}
body{min-height:100vh;overflow-x:hidden}

/* BACKGROUND ATMOSPHERE */
.grid-bg{position:fixed;inset:0;background-image:linear-gradient(var(--border) 1px,transparent 1px),linear-gradient(90deg,var(--border) 1px,transparent 1px);background-size:48px 48px;opacity:0.18;pointer-events:none;z-index:0}
.aurora{position:fixed;inset:0;pointer-events:none;z-index:0;overflow:hidden}
.aurora::before,.aurora::after{content:'';position:absolute;border-radius:50%;filter:blur(120px);opacity:0.4}
.aurora::before{
  width:1100px;height:900px;
  background:radial-gradient(ellipse at center,rgba(47,129,247,0.16) 0%,rgba(47,129,247,0.04) 40%,transparent 70%);
  top:-300px;left:-200px;animation:auroraA 22s ease-in-out infinite alternate;
}
.aurora::after{
  width:900px;height:800px;
  background:radial-gradient(ellipse at center,rgba(155,125,212,0.10) 0%,rgba(63,185,80,0.04) 40%,transparent 70%);
  top:100px;right:-300px;animation:auroraB 26s ease-in-out infinite alternate;
}
@keyframes auroraA{0%{transform:translate(0,0) scale(1)}100%{transform:translate(120px,80px) scale(1.1)}}
@keyframes auroraB{0%{transform:translate(0,0) scale(1)}100%{transform:translate(-100px,60px) scale(0.95)}}
.glow-bottom{position:fixed;width:600px;height:600px;border-radius:50%;background:radial-gradient(circle,rgba(63,185,80,0.04) 0%,transparent 70%);bottom:-200px;right:-100px;pointer-events:none;animation:dG2 18s ease-in-out infinite alternate;z-index:0}
@keyframes dG2{0%{transform:translate(0,0)}100%{transform:translate(-50px,-40px)}}

/* NAV */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(7,11,15,0.85);backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}
.nav-inner{max-width:1280px;margin:0 auto;padding:18px 32px;display:flex;align-items:center;justify-content:space-between}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--text-primary)}
.brand-dot{width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 8px var(--accent);animation:pulse 2s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1;box-shadow:0 0 8px var(--accent)}50%{opacity:.5;box-shadow:0 0 16px var(--accent)}}
.brand-text{font-family:var(--font-mono);font-size:11px;letter-spacing:0.2em;text-transform:uppercase;color:var(--text-muted)}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-link{font-family:var(--font-mono);font-size:10px;letter-spacing:0.14em;text-transform:uppercase;color:var(--text-muted);text-decoration:none;padding:8px 14px;border-radius:4px;transition:color .15s,background .15s}
.nav-link:hover{color:var(--text-primary);background:var(--bg-elevated)}
.nav-link-active{color:var(--accent)}
.nav-cta{font-family:var(--font-mono);font-size:10px;letter-spacing:0.14em;text-transform:uppercase;text-decoration:none;padding:9px 16px;border-radius:4px;margin-left:8px}
.nav-cta-secondary{color:var(--text-primary);border:1px solid var(--border-mid);background:transparent;transition:border-color .15s}
.nav-cta-secondary:hover{border-color:var(--accent)}
.nav-cta-primary{background:var(--accent);color:#fff;font-weight:600;transition:background .15s,box-shadow .15s}
.nav-cta-primary:hover{background:#1B6FE8;box-shadow:0 0 16px var(--accent-glow)}

/* CONTAINER */
.container{position:relative;z-index:1;max-width:1280px;margin:0 auto;padding:0 32px}
.container-narrow{position:relative;z-index:1;max-width:820px;margin:0 auto;padding:0 32px}

/* LANDING-SPECIFIC HERO (used by landing page) */
.hero{padding:200px 0 80px;text-align:center;position:relative;z-index:1}
.hero-eyebrow{font-family:var(--font-mono);font-size:11px;letter-spacing:0.24em;color:var(--text-muted);text-transform:uppercase;margin-bottom:40px;display:inline-flex;align-items:center;gap:10px;padding:8px 16px;border:1px solid var(--border-mid);border-radius:100px;background:rgba(13,17,23,0.5);backdrop-filter:blur(8px)}
.hero-eyebrow-dot{width:5px;height:5px;border-radius:50%;background:var(--accent);box-shadow:0 0 6px var(--accent);animation:pulse 2s ease-in-out infinite}
.hero h1{font-family:var(--font-display);font-weight:300;line-height:0.98;margin-bottom:36px;letter-spacing:-0.025em}
.hero h1 .line1{display:block;font-size:clamp(48px,8.5vw,108px)}
.hero h1 .line2{display:block;font-size:clamp(28px,4.5vw,52px);color:var(--text-dim);font-style:italic;margin-top:8px}
.hero h1 em{font-style:italic;color:var(--accent);font-weight:300}
.hero-sub{font-size:clamp(16px,1.6vw,20px);color:var(--text-dim);line-height:1.55;max-width:640px;margin:0 auto 16px;font-weight:300}
.hero-positioning{font-family:var(--font-mono);font-size:11px;color:var(--text-muted);letter-spacing:0.16em;text-transform:uppercase;margin-bottom:40px;opacity:0.7}
.hero-positioning-dot{display:inline-block;width:3px;height:3px;border-radius:50%;background:var(--text-muted);margin:0 12px;vertical-align:middle;opacity:0.6}
.hero-ctas{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-bottom:24px}
.hero-byline{font-family:var(--font-mono);font-size:9px;letter-spacing:0.2em;color:var(--text-muted);text-transform:uppercase;margin-top:8px;opacity:0.55}

/* INNER PAGE HERO (used by platform/ontology/research/architecture) */
.page-hero{padding:160px 0 60px;text-align:left;position:relative;z-index:1;border-bottom:1px solid var(--border)}
.page-hero-eyebrow{font-family:var(--font-mono);font-size:11px;letter-spacing:0.24em;color:var(--accent);text-transform:uppercase;margin-bottom:24px}
.page-hero-title{font-family:var(--font-display);font-size:clamp(36px,5.5vw,64px);font-weight:300;line-height:1.05;letter-spacing:-0.02em;margin-bottom:24px;max-width:900px}
.page-hero-title em{font-style:italic;color:var(--accent);font-weight:300}
.page-hero-sub{font-size:clamp(15px,1.5vw,18px);color:var(--text-dim);line-height:1.65;max-width:680px;font-weight:300}

/* BUTTONS */
.btn-primary{font-family:var(--font-mono);font-size:11px;font-weight:600;letter-spacing:0.14em;text-transform:uppercase;text-decoration:none;padding:14px 28px;background:var(--accent);color:#fff;border-radius:4px;border:none;cursor:pointer;transition:background .15s,box-shadow .15s;display:inline-block}
.btn-primary:hover{background:#1B6FE8;box-shadow:0 0 24px var(--accent-glow)}
.btn-secondary{font-family:var(--font-mono);font-size:11px;font-weight:600;letter-spacing:0.14em;text-transform:uppercase;text-decoration:none;padding:14px 28px;background:transparent;color:var(--text-primary);border:1px solid var(--border-mid);border-radius:4px;transition:border-color .15s;display:inline-block}
.btn-secondary:hover{border-color:var(--accent)}

/* CAPABILITY STRIP (landing) */
.capabilities{padding:48px 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border);background:rgba(13,17,23,0.4)}
.capabilities-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:0;text-align:center}
.capability{padding:8px 24px;border-right:1px solid var(--border);position:relative}
.capability:last-child{border-right:none}
.capability-num{font-family:var(--font-mono);font-size:9px;letter-spacing:0.2em;color:var(--accent);margin-bottom:8px;display:block}
.capability-label{font-family:var(--font-display);font-size:18px;font-weight:400;letter-spacing:-0.005em}

/* SECTION CARDS (landing) */
.sections{padding:120px 0 60px}
.section-intro{text-align:center;margin-bottom:80px}
.section-intro-eyebrow{font-family:var(--font-mono);font-size:10px;letter-spacing:0.2em;color:var(--accent);text-transform:uppercase;margin-bottom:16px}
.section-intro-title{font-family:var(--font-display);font-size:clamp(28px,4vw,46px);font-weight:300;line-height:1.15;letter-spacing:-0.01em}
.section-intro-title em{font-style:italic;color:var(--accent)}
.cards-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(440px,1fr));gap:24px}
.card{display:block;text-decoration:none;color:inherit;background:var(--bg-surface);border:1px solid var(--border);border-radius:8px;padding:36px 32px;transition:border-color .2s,transform .2s,box-shadow .2s;position:relative;overflow:hidden}
.card::before{content:'';position:absolute;left:0;top:0;bottom:0;width:2px;background:var(--accent);opacity:0;transition:opacity .2s}
.card:hover{border-color:var(--border-mid);transform:translateY(-2px);box-shadow:0 12px 32px rgba(0,0,0,0.3)}
.card:hover::before{opacity:1}
.card-eyebrow{font-family:var(--font-mono);font-size:10px;letter-spacing:0.2em;color:var(--accent);text-transform:uppercase;margin-bottom:14px}
.card-title{font-family:var(--font-display);font-size:24px;font-weight:400;margin-bottom:14px;line-height:1.25}
.card-body{font-size:14px;color:var(--text-dim);line-height:1.7;font-weight:300}
.card-arrow{font-family:var(--font-mono);font-size:10px;letter-spacing:0.18em;color:var(--text-muted);text-transform:uppercase;margin-top:24px;display:inline-flex;align-items:center;gap:8px;transition:color .15s,gap .15s}
.card:hover .card-arrow{color:var(--accent);gap:14px}

/* STATS (landing) */
.stats{padding:80px 0;border-top:1px solid var(--border);background:var(--bg-surface)}
.stats-intro{text-align:center;margin-bottom:48px}
.stats-intro-eyebrow{font-family:var(--font-mono);font-size:10px;letter-spacing:0.2em;color:var(--text-muted);text-transform:uppercase;margin-bottom:12px}
.stats-intro-title{font-family:var(--font-display);font-size:24px;font-weight:300;color:var(--text-dim)}
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:48px}
.stat{display:flex;align-items:flex-start;gap:18px}
.stat-num{font-family:var(--font-mono);font-size:32px;font-weight:500;color:var(--amber);line-height:1;flex-shrink:0;min-width:54px}
.stat-label{font-family:var(--font-mono);font-size:10px;color:var(--text-muted);letter-spacing:0.1em;text-transform:uppercase;line-height:1.6}

/* DEMO CTA (landing) */
.demo-cta{padding:120px 0;text-align:center;border-top:1px solid var(--border);background:linear-gradient(180deg,transparent,rgba(47,129,247,0.04))}
.demo-cta-eyebrow{font-family:var(--font-mono);font-size:11px;letter-spacing:0.24em;color:var(--accent);text-transform:uppercase;margin-bottom:24px}
.demo-cta h2{font-family:var(--font-display);font-size:clamp(32px,5vw,52px);font-weight:300;line-height:1.15;margin-bottom:24px;letter-spacing:-0.01em}
.demo-cta h2 em{font-style:italic;color:var(--accent)}
.demo-cta-sub{font-size:17px;color:var(--text-dim);line-height:1.6;max-width:620px;margin:0 auto 40px;font-weight:300}

/* PAGE CONTENT (inner pages) */
.page-content{padding:80px 0 60px;position:relative;z-index:1}
.content-block{max-width:820px;margin:0 auto 64px}
.content-block:last-of-type{margin-bottom:48px}
.content-eyebrow{font-family:var(--font-mono);font-size:10px;letter-spacing:0.2em;color:var(--accent);text-transform:uppercase;margin-bottom:14px}
.content-title{font-family:var(--font-display);font-size:clamp(24px,3vw,32px);font-weight:400;margin-bottom:24px;line-height:1.2;letter-spacing:-0.01em}
.content-body{font-size:16px;color:var(--text-dim);line-height:1.75;font-weight:300;margin-bottom:18px;max-width:720px}
.content-body em{font-style:italic;color:var(--text-primary)}
.content-body a{color:var(--accent);text-decoration:none;border-bottom:1px solid rgba(47,129,247,0.3);transition:border-color .15s}
.content-body a:hover{border-color:var(--accent)}
.content-list{list-style:none;padding:0;margin:0 0 18px}
.content-list li{font-size:16px;color:var(--text-dim);line-height:1.75;font-weight:300;padding-left:24px;position:relative;margin-bottom:10px;max-width:720px}
.content-list li::before{content:'·';position:absolute;left:8px;color:var(--accent);font-weight:600}

/* PAGE CTA (inner pages, end of content) */
.page-cta{display:flex;gap:14px;justify-content:flex-start;flex-wrap:wrap;padding-top:24px;border-top:1px solid var(--border);max-width:820px;margin:48px auto 0}

/* FORM (demo page) */
.form-block{max-width:560px;margin:0 auto;background:var(--bg-surface);border:1px solid var(--border);border-radius:8px;padding:40px 36px}
.form-field{margin-bottom:20px}
.form-label{display:block;font-family:var(--font-mono);font-size:10px;letter-spacing:0.14em;text-transform:uppercase;color:var(--text-muted);margin-bottom:8px}
.form-label-required::after{content:'*';color:var(--accent);margin-left:4px}
.form-input,.form-textarea,.form-select{width:100%;padding:11px 14px;background:var(--bg-elevated);border:1px solid var(--border-mid);border-radius:4px;color:var(--text-primary);font-family:var(--font-mono);font-size:13px;outline:none;transition:border-color .15s,box-shadow .15s}
.form-input::placeholder,.form-textarea::placeholder{color:var(--text-dim);opacity:0.6}
.form-input:focus,.form-textarea:focus,.form-select:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}
.form-textarea{font-family:var(--font-sans);font-size:14px;line-height:1.5;resize:vertical;min-height:96px}
.form-success{padding:24px;background:rgba(63,185,80,0.08);border:1px solid rgba(63,185,80,0.3);border-radius:4px;color:var(--monitor);font-family:var(--font-mono);font-size:12px;line-height:1.6;display:none;letter-spacing:0.05em}
.form-success.active{display:block}
.form-error{padding:14px;background:rgba(248,81,73,0.08);border:1px solid rgba(248,81,73,0.3);border-radius:4px;color:#F85149;font-family:var(--font-mono);font-size:11px;margin-bottom:16px;display:none}
.form-error.active{display:block}
.form-submit{margin-top:8px}

/* FOOTER */
.footer{padding:48px 0 36px;border-top:1px solid var(--border);background:var(--bg-surface);position:relative;z-index:1}
.footer-inner{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:32px}
.footer-brand{font-family:var(--font-mono);font-size:10px;letter-spacing:0.16em;color:var(--text-muted);text-transform:uppercase;line-height:1.8}
.footer-brand-tagline{font-family:var(--font-sans);text-transform:none;letter-spacing:0;font-style:italic;color:var(--text-dim);margin-top:6px;font-size:13px}
.footer-legal{font-family:var(--font-mono);font-size:10px;color:var(--text-muted);letter-spacing:0.08em;line-height:1.9;text-align:right}
.footer-legal a{color:var(--text-muted);text-decoration:none;transition:color .15s}
.footer-legal a:hover{color:var(--accent)}
.footer-legal-sep{margin:0 8px;color:var(--border-mid)}
.footer-orcid{font-family:var(--font-mono);font-size:9px;letter-spacing:0.1em;color:var(--text-muted);opacity:0.6;margin-top:8px;text-transform:uppercase}

/* RESPONSIVE */
@media (max-width:980px){.cards-grid{grid-template-columns:1fr}}
@media (max-width:760px){
  .nav-inner{padding:14px 20px}
  .nav-links{display:none}
  .container{padding:0 20px}
  .container-narrow{padding:0 20px}
  .hero{padding:140px 0 60px}
  .page-hero{padding:120px 0 48px}
  .footer-inner{flex-direction:column;align-items:flex-start}
  .footer-legal{text-align:left}
  .capability{border-right:none;border-bottom:1px solid var(--border);padding:20px}
  .capability:last-child{border-bottom:none}
}