:root{
  --blue:#2f5fd6;
  --green:#1f9d55;
  --red:#d8402f;

  --bg:#ffffff;
  --bg-alt:#f6f7f9;
  --surface:#ffffff;
  --surface-2:#f1f2f5;
  --border:#e4e6eb;
  --text:#14161c;
  --text-dim:#585f6e;
  --text-mute:#8a91a0;

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

  --container:1180px;
  --radius:16px;
}

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

html{scroll-behavior:smooth}

body{
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-sans);
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

.wrap{max-width:var(--container);margin:0 auto;padding:0 28px}

a{color:inherit;text-decoration:none}

ul{list-style:none}

#rain{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  z-index:0;
  opacity:.14;
  pointer-events:none;
}

.c-blue{color:var(--blue)}
.c-green{color:var(--green)}
.c-red{color:var(--red)}

/* Header */
.site-header{
  position:sticky;
  top:0;
  z-index:50;
  backdrop-filter:blur(14px);
  background:rgba(255,255,255,.78);
  border-bottom:1px solid transparent;
  transition:border-color .25s ease, background .25s ease;
}
.site-header.scrolled{
  border-bottom-color:var(--border);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:72px;
}
.brand{display:flex;align-items:center;gap:10px}
.brand-word{font-weight:800;font-size:19px;letter-spacing:-.01em}
.brand-sm .brand-word{font-size:17px}

.site-nav{display:flex;align-items:center;gap:32px}
.site-nav a{
  font-size:14.5px;
  font-weight:500;
  color:var(--text-dim);
  transition:color .2s ease;
}
.site-nav a:hover{color:var(--text)}
.nav-cta{
  padding:9px 18px;
  border-radius:999px;
  background:var(--text);
  color:var(--bg) !important;
  font-weight:600;
}
.nav-cta:hover{opacity:.88}

.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px}
.nav-toggle span{width:22px;height:2px;background:var(--text);display:block}

/* Hero */
.hero{
  position:relative;
  z-index:1;
  padding:120px 0 80px;
  overflow:hidden;
}
.hero-inner{position:relative;z-index:1;max-width:800px}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13.5px;
  font-weight:600;
  color:var(--text-dim);
  border:1px solid var(--border);
  background:var(--surface);
  padding:7px 14px 7px 12px;
  border-radius:999px;
  margin-bottom:28px;
}
.dot{
  position:relative;
  width:7px;height:7px;
  border-radius:50%;
  background:var(--green);
  box-shadow:0 0 0 3px rgba(31,157,85,.18);
  flex:none;
}
.dot::before{
  content:'';
  position:absolute;
  inset:0;
  border-radius:50%;
  background:var(--green);
  animation:dot-ping 1.8s cubic-bezier(0,0,.2,1) infinite;
}
@keyframes dot-ping{
  0%{transform:scale(1);opacity:.6}
  75%,100%{transform:scale(3.4);opacity:0}
}
@media (prefers-reduced-motion: reduce){
  .dot::before{animation:none}
}

h1{
  font-size:clamp(38px,6vw,64px);
  font-weight:800;
  line-height:1.08;
  letter-spacing:-.02em;
  margin-bottom:24px;
}

.hero-sub{
  font-size:18px;
  color:var(--text-dim);
  max-width:620px;
  margin-bottom:36px;
}

.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:56px}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:14px 26px;
  border-radius:10px;
  font-weight:600;
  font-size:15px;
  transition:transform .15s ease, background .2s ease, border-color .2s ease;
  border:1px solid transparent;
}
.btn:active{transform:scale(.97)}
.btn-primary{
  background:linear-gradient(135deg,var(--blue),var(--green));
  color:#fff;
}
.btn-primary:hover{filter:brightness(1.08)}
.btn-ghost{
  background:var(--surface);
  border-color:var(--border);
  color:var(--text);
}
.btn-ghost:hover{background:var(--surface-2)}

.hero-stats{
  display:flex;
  gap:48px;
  padding-top:36px;
  border-top:1px solid var(--border);
}
.hero-stats > div{display:flex;flex-direction:column;gap:4px}
.stat-num{font-family:var(--font-mono);font-size:24px;font-weight:600;color:var(--text)}
.stat-label{font-size:13px;color:var(--text-mute)}

/* Marquee */
.marquee{
  position:relative;
  z-index:1;
  border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);
  background:var(--bg-alt);
  overflow:hidden;
  padding:18px 0;
}
.marquee-track{
  display:flex;
  gap:48px;
  white-space:nowrap;
  width:max-content;
  animation:scroll-left 28s linear infinite;
}
.marquee-track span{
  font-family:var(--font-mono);
  font-size:13.5px;
  color:var(--text-mute);
  letter-spacing:.02em;
}
@keyframes scroll-left{
  from{transform:translateX(0)}
  to{transform:translateX(-50%)}
}

/* Sections */
.section{
  position:relative;
  z-index:1;
  padding:110px 0;
}
.section-alt{background:var(--bg-alt)}
.section-kicker{
  font-family:var(--font-mono);
  font-size:13px;
  font-weight:600;
  color:var(--green);
  text-transform:uppercase;
  letter-spacing:.08em;
  margin-bottom:16px;
}
.section-title{
  font-size:clamp(28px,4vw,42px);
  font-weight:800;
  letter-spacing:-.02em;
  line-height:1.15;
  max-width:760px;
  margin-bottom:18px;
}
.section-lede{
  font-size:16.5px;
  color:var(--text-dim);
  max-width:640px;
  margin-bottom:16px;
}

/* Card grid */
.card-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
  margin-top:56px;
}
.card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:28px;
  transition:border-color .2s ease, transform .2s ease;
}
.card:hover{border-color:#c7cbd4;transform:translateY(-3px)}
.card-icon{
  width:42px;height:42px;
  border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  margin-bottom:20px;
}
.card-icon svg{width:20px;height:20px}
.icon-blue{background:rgba(58,109,240,.12);color:var(--blue)}
.icon-green{background:rgba(40,180,99,.12);color:var(--green)}
.icon-red{background:rgba(224,71,58,.12);color:var(--red)}
.card h3{font-size:17.5px;font-weight:700;margin-bottom:10px;letter-spacing:-.01em}
.card p{font-size:14.5px;color:var(--text-dim);line-height:1.6}

/* Approach */
.approach-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:64px;
  align-items:center;
}
.approach-list{margin-top:36px;display:flex;flex-direction:column;gap:24px}
.approach-list li{display:flex;gap:18px}
.approach-num{
  font-family:var(--font-mono);
  font-size:13px;
  color:var(--text-mute);
  padding-top:3px;
  flex:none;
}
.approach-list h4{font-size:16px;font-weight:700;margin-bottom:4px}
.approach-list p{font-size:14.5px;color:var(--text-dim)}

.term{
  background:#14161c;
  border:1px solid #23262f;
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:0 30px 80px -30px rgba(20,22,28,.35);
}
.term-bar{
  display:flex;
  gap:7px;
  padding:14px 16px;
  border-bottom:1px solid #23262f;
}
.term-bar span{width:11px;height:11px;border-radius:50%;background:#2c3140}
.term-bar span:nth-child(1){background:#e0473a}
.term-bar span:nth-child(2){background:#e0a53a}
.term-bar span:nth-child(3){background:#28b463}
.term-body{padding:22px 20px}
.term-body pre{margin:0}
.term-body code{
  font-family:var(--font-mono);
  font-size:13px;
  line-height:2;
  color:#9aa2b2;
  white-space:pre-wrap;
}
.tk-green{color:#3ecf7e}
.tk-blue{color:#6690ff}
.tk-red{color:#ff6a58}
.tk-muted{color:#5c6474}

/* About */
.about-grid{
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:64px;
}
.about-points{display:flex;flex-direction:column;gap:26px}
.point{
  border-left:2px solid var(--border);
  padding-left:20px;
}
.point h4{font-size:15.5px;font-weight:700;margin-bottom:6px}
.point p{font-size:14px;color:var(--text-dim)}

/* CTA */
.cta-section{text-align:center}
.cta-inner{display:flex;flex-direction:column;align-items:center}
.cta-inner .section-title{max-width:560px}
.cta-inner .section-lede{margin-bottom:34px}
.contact-details{
  margin-top:28px;
  display:flex;
  align-items:center;
  justify-content:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:13.5px;
  color:var(--text-mute);
}
.contact-details a{color:var(--text-dim)}
.contact-details a:hover{color:var(--text)}
.contact-details address{font-style:normal;max-width:420px}
.contact-sep{color:var(--border)}

/* Footer */
.site-footer{
  position:relative;
  z-index:1;
  border-top:1px solid var(--border);
  padding:36px 0;
}
.footer-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:16px;
}
.footer-copy{font-size:13px;color:var(--text-mute)}
.footer-links{display:flex;gap:22px}
.footer-links a{font-size:13.5px;color:var(--text-dim)}
.footer-links a:hover{color:var(--text)}

/* Responsive */
@media (max-width:900px){
  .card-grid{grid-template-columns:1fr 1fr}
  .approach-grid,.about-grid{grid-template-columns:1fr;gap:40px}
}
@media (max-width:680px){
  .site-nav{
    position:fixed;
    top:72px;left:0;right:0;
    background:var(--bg);
    border-bottom:1px solid var(--border);
    flex-direction:column;
    align-items:flex-start;
    padding:20px 28px 28px;
    gap:18px;
    transform:translateY(-8px);
    opacity:0;
    pointer-events:none;
    transition:opacity .2s ease, transform .2s ease;
  }
  .site-nav.open{opacity:1;transform:translateY(0);pointer-events:auto}
  .nav-toggle{display:flex}
  .card-grid{grid-template-columns:1fr}
  .hero{padding:90px 0 60px}
  .hero-stats{gap:28px;flex-wrap:wrap}
  .section{padding:76px 0}
}