*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#f6f4f0;
  --surface:#ffffff;
  --line:rgba(30,27,75,.1);
  --ink:#1a1a2e;
  --muted:#6b7280;
  --indigo:#4f46e5;
  --indigo-light:#818cf8;
  --sky:#0ea5e9;
  --warm:#f59e0b;
}
html{scroll-behavior:smooth}
body{
  font-family:'DM Sans',system-ui,sans-serif;
  background:var(--bg);
  color:var(--ink);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  min-height:100vh;
}
a{color:inherit;text-decoration:none}
.wrap{max-width:1080px;margin:0 auto;padding:0 clamp(20px,4vw,40px)}

.site-nav{
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;padding:24px 0;border-bottom:1px solid var(--line);
}
.brand{font-family:'JetBrains Mono',monospace;font-size:1.05rem;letter-spacing:-.02em}
.brand .light{font-weight:400}
.brand .bold{font-weight:600;color:var(--indigo)}
.badge{
  font-size:.62rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;
  padding:8px 14px;border-radius:100px;
  background:rgba(79,70,229,.08);color:var(--indigo);border:1px solid var(--line);
}

.hero{
  display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,6vw,72px);
  align-items:center;padding:clamp(48px,8vw,96px) 0 clamp(56px,8vw,88px);
}
@media(max-width:860px){.hero{grid-template-columns:1fr}}

.kicker{
  font-family:'JetBrains Mono',monospace;
  font-size:.72rem;font-weight:500;letter-spacing:.12em;text-transform:uppercase;
  color:var(--muted);margin-bottom:20px
}
.hero h1{
  font-size:clamp(2.6rem,6.5vw,4.4rem);
  line-height:1.02;letter-spacing:-.03em;margin-bottom:24px;
}
.hero h1 .light{font-weight:400;display:block;color:var(--ink)}
.hero h1 .bold{font-weight:700;display:block;color:var(--indigo)}

.lede{
  font-size:clamp(1rem,2vw,1.12rem);
  color:var(--muted);max-width:40ch;margin-bottom:36px;
}

.cta-row{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.85rem;font-weight:600;letter-spacing:.02em;
  padding:14px 26px;border-radius:100px;
  background:var(--indigo);color:#fff;
  transition:transform .2s,box-shadow .2s;
}
.btn:hover{transform:translateY(-2px);box-shadow:0 12px 32px rgba(79,70,229,.25)}
.btn-ghost{
  background:transparent;color:var(--ink);
  border:1.5px solid var(--line);
}
.btn-ghost:hover{border-color:var(--indigo);color:var(--indigo)}

.hero-visual{display:flex;align-items:center;justify-content:center;min-height:320px}
.inbox-scene{
  display:flex;flex-direction:column;align-items:center;gap:16px;
  padding:36px;background:var(--surface);
  border:1px solid var(--line);border-radius:24px;
  box-shadow:0 24px 64px rgba(30,27,75,.08);
}
.inbox-stack{display:flex;flex-direction:column;gap:10px;width:220px}
.inbox-card{
  display:flex;flex-direction:column;gap:8px;
  padding:16px 18px;background:var(--bg);
  border:1px solid var(--line);border-radius:14px;
  transition:transform .2s,box-shadow .2s;
}
.inbox-card.active{
  background:rgba(79,70,229,.06);
  border-color:rgba(79,70,229,.25);
  box-shadow:0 8px 24px rgba(79,70,229,.12);
  transform:scale(1.02);
}
.card-dot{
  width:8px;height:8px;border-radius:50%;background:var(--muted);
}
.card-dot.accent{background:var(--sky)}
.card-label{
  font-family:'JetBrains Mono',monospace;
  font-size:.68rem;font-weight:600;text-transform:uppercase;
  letter-spacing:.08em;color:var(--indigo);
}
.card-line{height:6px;border-radius:3px;background:rgba(30,27,75,.08);width:100%}
.card-line.short{width:60%}
.inbox-flow{display:flex;flex-direction:column;align-items:center;gap:4px;margin-top:4px}
.flow-line{width:2px;height:24px;background:linear-gradient(180deg,var(--indigo-light),var(--sky))}
.flow-arrow{font-size:1.2rem;color:var(--indigo);line-height:1}

.stats{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
  padding:40px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
@media(max-width:640px){.stats{grid-template-columns:1fr}}
.stat-num{
  font-family:'JetBrains Mono',monospace;
  font-size:clamp(1.6rem,4vw,2.2rem);font-weight:600;color:var(--indigo);
  margin-bottom:6px
}
.stat-label{font-size:.85rem;color:var(--muted)}

.modules{padding:clamp(48px,8vw,80px) 0}
.section-title{
  font-family:'JetBrains Mono',monospace;
  font-size:.72rem;font-weight:500;letter-spacing:.12em;text-transform:uppercase;
  color:var(--warm);margin-bottom:12px
}
.modules h2{font-size:clamp(1.5rem,3vw,2rem);font-weight:700;margin-bottom:32px;letter-spacing:-.02em}
.module-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px}
.module{
  background:var(--surface);border:1px solid var(--line);
  border-radius:20px;padding:28px;
  transition:border-color .2s,transform .2s;
}
.module:hover{border-color:rgba(79,70,229,.25);transform:translateY(-2px)}
.module-num{
  font-family:'JetBrains Mono',monospace;
  font-size:.68rem;color:var(--muted);margin-bottom:12px
}
.module h3{font-size:1.1rem;font-weight:600;margin-bottom:10px}
.module p{font-size:.92rem;color:var(--muted);margin-bottom:16px}
.module a{font-size:.85rem;font-weight:600;color:var(--indigo)}
.module a:hover{text-decoration:underline}

.site-footer{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  padding:32px 0 48px;font-size:.82rem;color:var(--muted);
  border-top:1px solid var(--line);
}
.site-footer strong{color:var(--ink)}
.site-footer a{color:var(--indigo)}
.site-footer a:hover{text-decoration:underline}