:root{--bg:#11161b;--bg-deep:#0b0f13;--surface:#171d23;--line:rgba(255,255,255,.08);--text:#f4f7fa;--muted:#aab4be;--blue:#3aa7ff;--gold:#d4af37;--silver:#c8d0d8;--max:1180px;--radius:22px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--text);background:linear-gradient(rgba(17,22,27,.965),rgba(17,22,27,.985)),repeating-linear-gradient(135deg,#222a31 0 3px,#141a20 3px 7px);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.5}a{color:inherit;text-decoration:none}.shell{width:min(calc(100% - 40px),var(--max));margin:0 auto}
.site-header{position:sticky;top:0;z-index:10;backdrop-filter:blur(16px);background:rgba(17,22,27,.82);border-bottom:1px solid var(--line)}.nav{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:inline-flex;align-items:center;gap:12px;font-weight:750}.brand-mark{width:38px;height:44px;border:1px solid rgba(200,208,216,.72);border-radius:9px 9px 9px 4px;display:grid;place-items:center;background:linear-gradient(145deg,#10151a,#202830);box-shadow:0 0 20px rgba(58,167,255,.12)}.brand-mark span:first-child,.tag-logo span:first-child{color:var(--blue)}.brand-mark span:last-child,.tag-logo span:last-child{color:var(--silver)}.brand-mark span{font-size:20px;margin:-1px}.brand-mark.small{width:30px;height:34px}.brand-mark.small span{font-size:15px}.nav-links{display:flex;gap:26px;color:var(--muted);font-size:14px}.nav-links a:hover{color:var(--text)}
.hero{min-height:720px;display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:64px;padding:96px 0 80px}.eyebrow{color:var(--blue);font-size:12px;font-weight:800;letter-spacing:.18em}h1,h2,h3{margin:0;letter-spacing:-.035em}h1{font-size:clamp(48px,6vw,80px);line-height:.98;margin-top:16px;max-width:720px}h2{font-size:clamp(34px,4vw,52px);line-height:1.05}h3{font-size:20px}.hero-lead,.section-heading p,.split p,.cta p{color:var(--muted);font-size:18px;max-width:720px}.hero-lead{margin:28px 0 0}.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:34px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 20px;border-radius:12px;font-weight:750;font-size:14px}.button-primary{background:var(--blue);color:#05111a;box-shadow:0 0 26px rgba(58,167,255,.22)}.button-secondary{border:1px solid var(--line);background:rgba(255,255,255,.025)}.status-line{margin-top:24px;color:var(--muted);font-size:13px;display:flex;align-items:center;gap:9px}.status-dot{width:7px;height:7px;border-radius:50%;background:var(--blue);box-shadow:0 0 12px var(--blue)}
.hero-visual{position:relative;min-height:520px;display:grid;place-items:center}.ambient{position:absolute;width:320px;height:320px;border-radius:50%;filter:blur(70px);background:rgba(58,167,255,.22)}.binder-card{position:relative;width:min(390px,90%);aspect-ratio:.78;border-radius:28px 28px 28px 12px;overflow:hidden;border:1px solid rgba(200,208,216,.18);background:linear-gradient(180deg,rgba(7,10,12,.15),rgba(4,6,8,.86)),repeating-linear-gradient(135deg,#2a2f34 0 4px,#171b1f 4px 9px);box-shadow:-12px 16px 32px rgba(58,167,255,.18),0 22px 65px rgba(0,0,0,.46)}.binder-card::after{content:"";position:absolute;inset:18px 20px 22px 28px;border-radius:24px 24px 24px 10px;border:1px solid rgba(255,255,255,.07)}.binder-top{position:absolute;z-index:2;top:24px;right:24px;left:28px;display:flex;justify-content:space-between}.mini-logo{color:var(--silver);font-weight:800;font-size:20px}.favorite{color:var(--gold)}.binder-copy{position:absolute;z-index:2;left:30px;bottom:34px;display:flex;flex-direction:column}.binder-copy strong{font-size:26px}.binder-copy span{color:var(--muted);margin-top:4px}.binder-arrow{position:absolute;right:26px;bottom:26px;z-index:2;font-size:42px;color:var(--blue)}
.section{padding:100px 0}.section-dark{background:linear-gradient(180deg,rgba(7,10,13,.82),rgba(11,15,19,.94));border-block:1px solid var(--line)}.section-heading{max-width:820px;margin-bottom:42px}.section-heading h2,.split h2,.cta h2{margin-top:12px}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.feature-card{padding:28px;border-radius:var(--radius);border:1px solid var(--line);background:linear-gradient(145deg,rgba(255,255,255,.035),rgba(255,255,255,.012));box-shadow:0 18px 42px rgba(0,0,0,.16)}.feature-card p{color:var(--muted);font-size:14px}.feature-icon{display:grid;place-items:center;width:42px;height:42px;border-radius:12px;background:rgba(58,167,255,.18);color:var(--blue);margin-bottom:20px}
.split{display:grid;grid-template-columns:1fr .85fr;align-items:center;gap:70px}.pill-row{display:flex;gap:9px;flex-wrap:wrap;margin-top:26px}.pill{border:1px solid var(--line);background:rgba(255,255,255,.025);padding:8px 12px;border-radius:999px;color:var(--muted);font-size:12px}.tag-demo{display:flex;flex-direction:column;align-items:center;gap:20px}.tag-card{width:230px;aspect-ratio:1;position:relative;display:grid;place-items:center;border:1px solid rgba(255,255,255,.22);border-radius:26px;background:rgba(255,255,255,.08);box-shadow:0 0 50px rgba(58,167,255,.12)}.tag-ring{position:absolute;width:165px;height:165px;border-radius:50%;border:12px double rgba(200,208,216,.25)}.tag-logo{position:relative;z-index:2;font-size:72px;font-weight:350;letter-spacing:-.16em;padding-right:.12em}.tag-copy{display:flex;flex-direction:column;text-align:center}.tag-copy span{color:var(--muted);font-size:13px}
.ecosystem-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.ecosystem-item{padding:22px;border-left:2px solid var(--blue);background:rgba(255,255,255,.025);border-radius:4px 14px 14px 4px;display:flex;flex-direction:column}.ecosystem-item span{color:var(--muted);font-size:13px;margin-top:5px}.cta{padding:68px 0}.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px}.site-footer{padding:42px 0;background:var(--bg-deep);border-top:1px solid var(--line)}.footer-inner{display:grid;grid-template-columns:1fr auto auto;align-items:center;gap:36px}.footer-brand{margin-bottom:10px}.site-footer p,.copyright{color:var(--muted);font-size:12px;margin:0}.footer-links{display:flex;gap:18px;color:var(--muted);font-size:13px}
@media(max-width:900px){.nav-links{display:none}.hero,.split{grid-template-columns:1fr}.hero{padding-top:70px;gap:10px}.hero-visual{min-height:470px}.feature-grid{grid-template-columns:1fr}.ecosystem-grid{grid-template-columns:1fr 1fr}.cta-inner,.footer-inner{display:flex;flex-direction:column;align-items:flex-start}}@media(max-width:560px){.shell{width:min(calc(100% - 26px),var(--max))}.hero{min-height:unset}h1{font-size:46px}.ecosystem-grid{grid-template-columns:1fr}.section{padding:74px 0}}

/* V1.1 brand polish */
.brand-mark{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:1px;
}
.brand-mark span{margin:0;font-size:20px;line-height:1}
.brand-mark.small span{font-size:15px}
.brand-lockup{align-items:center}
.brand-text{display:flex;flex-direction:column;gap:1px;line-height:1.05}
.brand-name{font-size:28px;font-weight:800;letter-spacing:-.035em}
.brand-smart{color:var(--blue)}
.brand-binder{color:var(--text)}
.brand-tagline{margin-top:5px;color:var(--muted);font-size:12px;font-weight:500;letter-spacing:.01em}
.footer-brand .brand-name{font-size:22px}
.footer-brand .brand-tagline{font-size:11px}

.button-primary,.button-secondary{
  background:#0c1116;
  color:var(--blue);
  border:1px solid rgba(58,167,255,.72);
  box-shadow:0 0 8px rgba(58,167,255,.45), inset 0 0 10px rgba(58,167,255,.035);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.button-primary:hover,.button-secondary:hover{
  transform:translateY(-1px);
  border-color:var(--blue);
  box-shadow:0 0 14px rgba(58,167,255,.68), inset 0 0 12px rgba(58,167,255,.05);
}

.feature-icon svg{
  width:25px;
  height:25px;
  fill:none;
  stroke:var(--blue);
  stroke-width:1.9;
  stroke-linecap:round;
  stroke-linejoin:round;
}
.tag-logo{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:22px;
  padding:0;
  letter-spacing:0;
  font-size:82px;
  line-height:1;
}