/* ============================================================
   PureAnalyt · Landing page styles
   Coherent with simulator dark theme (lime/cyan accents on dark
   green-black canvas) but spaced for marketing/conversion.
   ============================================================ */

:root{
  --bg:#0a0e0c;
  --bg-2:#0e1311;
  --panel:#111613;
  --panel-2:#161c19;
  --panel-3:#1c2420;
  --line:#1f2a25;
  --line-2:#2a3631;
  --ink:#e6eee9;
  --ink-2:#c2cdc6;
  --muted:#7d8a83;
  --muted-2:#5a6661;
  --accent:#a8ff60;
  --accent-2:#5ad1ff;
  --accent-3:#ffb84d;
  --danger:#ff5d6c;
  --max:1180px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
  background:var(--bg);color:var(--ink);
  font-size:14px;line-height:1.65;
  -webkit-font-smoothing:antialiased;
  background:
    radial-gradient(1400px 700px at 50% -10%, rgba(168,255,96,.04), transparent 65%),
    radial-gradient(1000px 600px at 100% 100%, rgba(90,209,255,.03), transparent 65%),
    var(--bg);
  min-height:100vh;
}
img,svg{display:block;max-width:100%}
a{color:var(--accent);text-decoration:none;transition:color .15s}
a:hover{color:#bfff7a}
ul{list-style:none}
.container{max-width:var(--max);margin:0 auto;padding:0 24px}

/* ============================================================
   Typography utility
   ============================================================ */
.eyebrow{
  display:inline-block;
  font-size:11px;text-transform:uppercase;letter-spacing:2.4px;
  color:var(--accent);
  font-weight:500;
  margin-bottom:14px;
  padding:5px 10px;border-radius:99px;
  background:rgba(168,255,96,.06);
  border:1px solid rgba(168,255,96,.18);
}
h2{
  font-family:'Fraunces',serif;font-weight:700;
  font-size:38px;line-height:1.15;letter-spacing:-1px;
  margin-bottom:14px;
}
h2 em{color:var(--accent);font-style:normal;font-weight:800}
h3{
  font-family:'Fraunces',serif;font-weight:600;
  font-size:19px;line-height:1.3;letter-spacing:-.3px;
  margin-bottom:8px;
}
.section-lead{
  font-size:15px;color:var(--ink-2);line-height:1.7;
  max-width:680px;margin-bottom:48px;
}

/* ============================================================
   Buttons
   ============================================================ */
.btn{
  display:inline-flex;align-items:center;gap:6px;
  padding:11px 22px;border-radius:6px;
  font-family:'JetBrains Mono',monospace;font-weight:700;
  font-size:11.5px;letter-spacing:1.4px;text-transform:uppercase;
  cursor:pointer;border:none;transition:all .18s;
  text-decoration:none;
}
.btn-primary{
  background:linear-gradient(135deg, #a8ff60, #7fcc48);
  color:#0a0e0c;
  box-shadow:0 4px 14px -4px rgba(168,255,96,.4), 0 1px 0 rgba(255,255,255,.15) inset;
}
.btn-primary:hover{
  transform:translateY(-1px);
  box-shadow:0 6px 20px -4px rgba(168,255,96,.5), 0 1px 0 rgba(255,255,255,.2) inset;
  color:#0a0e0c;
}
.btn-ghost{
  background:rgba(255,255,255,.025);
  color:var(--ink);
  border:1px solid var(--line-2);
}
.btn-ghost:hover{
  border-color:rgba(168,255,96,.35);
  background:rgba(168,255,96,.04);
  color:var(--accent);
}
.btn-lg{padding:14px 26px;font-size:12px}
.btn-xl{padding:18px 36px;font-size:13px;letter-spacing:1.8px}

/* ============================================================
   Header
   ============================================================ */
.site-header{
  position:sticky;top:0;z-index:100;
  padding:14px 24px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  background:rgba(10,14,12,.72);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.brand{
  display:flex;align-items:center;gap:10px;
  text-decoration:none;color:var(--ink);
  font-family:'Fraunces',serif;font-weight:800;
  font-size:21px;letter-spacing:-.5px;
}
.brand:hover{color:var(--ink)}
.brand em{color:var(--accent);font-style:normal;font-weight:400}
.brand-logo{
  width:36px;height:36px;
  filter:drop-shadow(0 0 8px rgba(168,255,96,.18));
}
.nav{display:flex;gap:24px}
.nav a{
  color:var(--ink-2);font-size:12px;
  text-transform:uppercase;letter-spacing:1.6px;font-weight:500;
}
.nav a:hover{color:var(--accent)}
.header-cta .btn{padding:9px 16px;font-size:10.5px;letter-spacing:1.2px}

@media (max-width:760px){
  .nav{display:none}
  .site-header{padding:12px 18px}
  .brand{font-size:18px}
  .brand-logo{width:30px;height:30px}
}

/* ============================================================
   HERO
   ============================================================ */
.hero{
  position:relative;
  padding:100px 24px 140px;
  text-align:center;
  overflow:hidden;
}
.hero-bg{
  position:absolute;inset:0;z-index:0;
  pointer-events:none;
  opacity:.55;
}
.hero-chromo{
  position:absolute;bottom:0;left:0;width:100%;height:260px;
}
.hero-trace-stroke{
  filter:drop-shadow(0 0 14px rgba(168,255,96,.35));
  stroke-dasharray:2400;
  stroke-dashoffset:2400;
  animation:hero-draw 3.6s cubic-bezier(.2,.8,.2,1) .35s forwards;
}
.hero-trace-fill{
  opacity:0;
  animation:hero-fill 1.8s ease 2.5s forwards;
}
@keyframes hero-draw{to{stroke-dashoffset:0}}
@keyframes hero-fill{to{opacity:1}}

.hero-inner{
  position:relative;z-index:1;
  max-width:880px;margin:0 auto;
}
.hero-eyebrow{
  display:inline-block;
  font-size:11px;text-transform:uppercase;letter-spacing:3px;
  color:var(--accent-2);
  font-weight:500;margin-bottom:20px;
  padding:6px 14px;border-radius:99px;
  background:rgba(90,209,255,.05);
  border:1px solid rgba(90,209,255,.2);
}
.hero h1{
  font-family:'Fraunces',serif;font-weight:800;
  font-size:60px;line-height:1.05;letter-spacing:-1.5px;
  margin-bottom:24px;
}
.hero-accent{
  background:linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{
  font-size:16px;color:var(--ink-2);line-height:1.7;
  max-width:680px;margin:0 auto 36px;
}
.hero-ctas{
  display:flex;gap:12px;justify-content:center;flex-wrap:wrap;
  margin-bottom:40px;
}
.hero-trust{
  display:flex;gap:24px;justify-content:center;flex-wrap:wrap;
  font-size:11px;color:var(--muted);
  text-transform:uppercase;letter-spacing:1.5px;
}
.trust-item{display:inline-flex;align-items:center;gap:6px}
.trust-dot{
  width:6px;height:6px;border-radius:50%;background:var(--accent);
  box-shadow:0 0 8px var(--accent);
}

@media (max-width:760px){
  .hero{padding:60px 18px 100px}
  .hero h1{font-size:36px;letter-spacing:-1px}
  .hero-lead{font-size:14px}
  .hero-trust{gap:14px;font-size:10px}
}

/* ============================================================
   FEATURES
   ============================================================ */
.features{padding:90px 24px;background:var(--bg-2)}
.features .container{text-align:left}
.feat-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:18px;
}
.feat-card{
  background:linear-gradient(180deg, var(--panel-2), var(--panel-3));
  border:1px solid var(--line-2);border-radius:10px;
  padding:24px;
  transition:all .25s cubic-bezier(.2,.8,.2,1);
  box-shadow:0 1px 0 rgba(255,255,255,.02) inset;
}
.feat-card:hover{
  transform:translateY(-2px);
  border-color:rgba(168,255,96,.18);
  box-shadow:
    0 10px 30px -16px rgba(0,0,0,.5),
    0 0 0 1px rgba(168,255,96,.05);
}
.feat-icon{
  width:42px;height:42px;border-radius:8px;
  background:
    radial-gradient(circle at 30% 25%, rgba(255,255,255,.05), transparent 60%),
    linear-gradient(180deg, #131915, #0e1311);
  border:1px solid var(--line-2);
  display:flex;align-items:center;justify-content:center;
  margin-bottom:14px;color:var(--accent);
  box-shadow:0 1px 0 rgba(255,255,255,.03) inset;
}
.feat-icon svg{width:22px;height:22px}
.feat-card p{
  font-size:12.5px;color:var(--ink-2);line-height:1.65;
}

@media (max-width:900px){
  .feat-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:560px){
  .feat-grid{grid-template-columns:1fr}
}

/* ============================================================
   APPLICATIONS
   ============================================================ */
.applications{padding:90px 24px}
.applications .container{text-align:left}
.app-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:18px;
}
.app-card{
  background:linear-gradient(180deg, var(--panel-2), var(--panel-3));
  border:1px solid var(--line-2);border-radius:10px;
  padding:24px;
  position:relative;
  transition:all .25s;
}
.app-card:hover{
  transform:translateY(-2px);
  border-color:rgba(90,209,255,.18);
}
.app-tag{
  display:inline-block;
  font-size:10px;letter-spacing:1.5px;text-transform:uppercase;font-weight:600;
  padding:3px 10px;border-radius:99px;
  background:rgba(90,209,255,.08);
  border:1px solid rgba(90,209,255,.22);
  color:var(--accent-2);
  margin-bottom:14px;
}
.app-card h3{margin-bottom:14px}
.app-card ul{display:flex;flex-direction:column;gap:7px}
.app-card li{
  font-size:12px;color:var(--ink-2);
  padding-left:16px;position:relative;line-height:1.55;
}
.app-card li::before{
  content:'';position:absolute;left:2px;top:8px;
  width:5px;height:5px;border-radius:50%;
  background:var(--accent);box-shadow:0 0 5px var(--accent);
  opacity:.7;
}

@media (max-width:900px){
  .app-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:560px){
  .app-grid{grid-template-columns:1fr}
}

/* ============================================================
   HOW IT WORKS
   ============================================================ */
.how{padding:90px 24px;background:var(--bg-2)}
.how-grid{
  display:grid;
  grid-template-columns:1fr auto 1fr auto 1fr;
  gap:16px;align-items:stretch;
  margin-bottom:48px;
}
.how-step{
  background:linear-gradient(180deg, var(--panel-2), var(--panel-3));
  border:1px solid var(--line-2);border-radius:10px;
  padding:28px 22px;
  position:relative;
}
.how-num{
  font-family:'Fraunces',serif;font-weight:900;
  font-size:42px;letter-spacing:-1.5px;line-height:1;
  background:linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip:text;background-clip:text;color:transparent;
  margin-bottom:12px;
}
.how-step h3{margin-bottom:8px}
.how-step p{font-size:12.5px;color:var(--ink-2);line-height:1.65}
.how-arrow{
  align-self:center;
  color:var(--accent);font-size:24px;
  opacity:.55;
  font-family:'Fraunces',serif;
}
.how-cta{
  text-align:center;
  margin-top:24px;
}
.how-cta-note{
  display:block;margin-top:14px;
  font-size:11px;color:var(--muted);
  text-transform:uppercase;letter-spacing:1.8px;
}

@media (max-width:900px){
  .how-grid{
    grid-template-columns:1fr;gap:14px;
  }
  .how-arrow{transform:rotate(90deg);padding:8px 0}
}

/* ============================================================
   FAQ
   ============================================================ */
.faq{padding:90px 24px}
.faq h2{margin-bottom:32px}
.faq details{
  border-bottom:1px solid var(--line);
  padding:18px 4px;
  cursor:pointer;
  transition:background .15s;
}
.faq details:hover{background:rgba(168,255,96,.015)}
.faq summary{
  font-family:'Fraunces',serif;font-weight:600;
  font-size:16px;letter-spacing:-.2px;
  list-style:none;cursor:pointer;
  display:flex;justify-content:space-between;align-items:center;
}
.faq summary::after{
  content:'+';
  font-family:'JetBrains Mono';
  color:var(--accent);font-size:22px;font-weight:300;
  transition:transform .25s;line-height:1;
}
.faq details[open] summary::after{
  transform:rotate(45deg);
}
.faq details[open] summary{color:var(--accent)}
.faq p{
  padding-top:14px;
  font-size:13px;color:var(--ink-2);line-height:1.75;
  max-width:760px;
}

/* ============================================================
   CTA FINAL
   ============================================================ */
.cta-final{
  padding:100px 24px;
  text-align:center;
  background:
    radial-gradient(700px 300px at 50% 50%, rgba(168,255,96,.05), transparent 65%),
    var(--bg-2);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.cta-final h2{font-size:48px;margin-bottom:12px}
.cta-final p{
  font-size:14px;color:var(--muted);
  text-transform:uppercase;letter-spacing:2px;
  margin-bottom:32px;
}

@media (max-width:560px){
  .cta-final h2{font-size:32px}
  .cta-final p{font-size:11px}
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer{
  padding:60px 24px 28px;
  background:var(--bg);
  border-top:1px solid var(--line);
}
.footer-grid{
  display:grid;
  grid-template-columns:2fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:40px;border-bottom:1px solid var(--line);
}
.footer-brand p{
  font-size:12px;color:var(--muted);line-height:1.7;
  max-width:300px;margin-top:14px;
}
.footer-logo{
  display:flex;align-items:center;gap:10px;
  font-family:'Fraunces',serif;font-weight:800;font-size:18px;letter-spacing:-.5px;
}
.footer-logo svg{width:28px;height:28px}
.footer-logo em{color:var(--accent);font-style:normal;font-weight:400}
.footer-col h4{
  font-family:'JetBrains Mono';font-size:10px;
  text-transform:uppercase;letter-spacing:2px;color:var(--muted);
  margin-bottom:14px;font-weight:600;
}
.footer-col ul{display:flex;flex-direction:column;gap:8px}
.footer-col a{
  color:var(--ink-2);font-size:12px;
}
.footer-col a:hover{color:var(--accent)}
.footer-foot{
  display:flex;justify-content:space-between;align-items:center;
  padding-top:24px;
  font-size:10.5px;color:var(--muted-2);
  text-transform:uppercase;letter-spacing:1.6px;
}

@media (max-width:760px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:480px){
  .footer-grid{grid-template-columns:1fr}
  .footer-foot{flex-direction:column;gap:10px;text-align:center}
}