:root{
  --mist:#EEF1F4; --paper:#F7F9FA; --ink:#1C2333; --body:#3A4356; --muted:#667085;
  --line:#C9D3D9; --teal:#2F6F73; --coral:#E07A6F;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--mist);color:var(--body);font:400 18px/1.6 "Jost","Futura","Avenir Next",system-ui,sans-serif;-webkit-font-smoothing:antialiased}
a{color:var(--teal)}
a:focus-visible,.btn:focus-visible{outline:3px solid var(--coral);outline-offset:3px;border-radius:6px}
.wrap{max-width:1160px;margin:0 auto;padding:0 28px}
h1,h2{color:var(--ink);font-weight:500;letter-spacing:-.02em;margin:0}

/* nav */
.nav{display:flex;align-items:center;justify-content:space-between;padding-top:28px;padding-bottom:20px}
.nav nav{display:flex;gap:32px;align-items:center}
.nav nav a:not(.btn){color:var(--ink);text-decoration:none;font-size:16px}
.nav nav a:not(.btn):hover{color:var(--teal)}
.btn{display:inline-block;background:var(--ink);color:#fff;padding:15px 28px;border-radius:999px;text-decoration:none;font-weight:500;font-size:17px;transition:background .2s}
.btn:hover{background:var(--teal)}
.btn-small{padding:10px 20px;font-size:15px}

/* hero */
.hero{display:grid;grid-template-columns:.9fr 1.2fr;gap:40px;align-items:center;padding-top:56px;padding-bottom:112px}
.hero h1{font-size:clamp(42px,5.6vw,76px);line-height:1.02;max-width:11ch;margin-bottom:28px}
.lead{font-size:20px;max-width:44ch;margin:0 0 40px}
.flow{margin:0}
.flow svg{width:100%;height:auto;display:block;overflow:visible}
.lines use{fill:none;stroke:var(--line);stroke-width:1.5}
.pulses .coral{fill:var(--coral)} .pulses .teal{fill:var(--teal)}
.node rect{fill:#fff;stroke:var(--line);stroke-width:1.2}
.node text{font:500 13px "Jost",sans-serif;fill:var(--ink);text-anchor:middle}
.core circle:first-child{fill:var(--ink)}
.core .coral-fill{fill:var(--coral)} .core .teal-fill{fill:#5FA9AD}
.core text{font:500 24px "Jost",sans-serif;fill:#fff;text-anchor:middle;letter-spacing:-.01em}
.core circle:first-child{animation:breathe 4s ease-in-out infinite;transform-origin:280px 220px}
@keyframes breathe{50%{transform:scale(1.03)}}

/* replace */
.replace{display:grid;grid-template-columns:1fr 1fr;gap:64px;padding-top:96px;padding-bottom:96px;border-top:1px solid var(--line)}
.replace h2{font-size:clamp(32px,3.6vw,48px);line-height:1.08;margin-bottom:20px;max-width:12ch}
.replace p{max-width:42ch;margin:0}
.struck{list-style:none;margin:0;padding:0;columns:2;column-gap:32px}
.struck li{font-size:22px;line-height:1.9;color:var(--muted);break-inside:avoid}
.struck s{text-decoration-color:var(--coral);text-decoration-thickness:2px}

/* platform */
.platform{padding-top:96px;padding-bottom:96px;border-top:1px solid var(--line)}
.platform h2{font-size:clamp(32px,3.6vw,48px);margin-bottom:48px}
.modules{display:grid;grid-template-columns:repeat(3,1fr);gap:48px 56px;margin:0}
.modules div{border-top:2px solid var(--ink);padding-top:18px}
.modules dt{color:var(--ink);font-weight:500;font-size:22px;margin-bottom:8px}
.modules dd{margin:0;max-width:32ch}
.also{margin:56px 0 0;color:var(--muted);max-width:60ch}

/* about */
.about{padding-top:96px;padding-bottom:112px;border-top:1px solid var(--line);display:grid;grid-template-columns:1fr 2fr;gap:64px}
.about h2{font-size:clamp(32px,3.6vw,48px)}
.about p{margin:0;font-size:22px;line-height:1.55;color:var(--ink);max-width:40ch}

/* contact band */
.band{background:var(--ink);color:#C9D3D9}
.band-inner{padding-top:104px;padding-bottom:104px}
.band h2{color:#fff;font-size:clamp(44px,6vw,84px);margin-bottom:12px}
.band p{margin:0 0 28px;font-size:20px}
.mail{display:inline-block;color:#fff;font-size:clamp(24px,3vw,36px);text-decoration:none;border-bottom:2px solid var(--coral);padding-bottom:4px}
.mail:hover{color:var(--coral)}
.where{margin-top:28px!important;font-size:16px!important;color:#8E9AAF}

/* footer */
.foot{display:flex;align-items:center;gap:20px;padding-top:28px;padding-bottom:36px;color:var(--muted);font-size:14px;line-height:1.4}
.foot p{margin:0}
.foot p:last-child{margin-left:auto}
.foot a{color:var(--muted)}

/* legal page */
.legal{max-width:760px;padding-top:48px;padding-bottom:96px}
.legal h1{font-size:48px;margin-bottom:24px}
.legal h2{font-size:22px;margin:32px 0 8px}

@media (max-width:900px){
  .hero,.replace,.about{grid-template-columns:1fr}
  .hero{padding-bottom:72px}
  .modules{grid-template-columns:1fr 1fr}
}
@media (max-width:600px){
  .wrap{padding:0 20px}
  .nav nav a:not(.btn){display:none}
  .modules{grid-template-columns:1fr}
  .struck li{font-size:19px}
}
@media (prefers-reduced-motion:reduce){
  .pulses{display:none}
  .core circle:first-child{animation:none}
  html{scroll-behavior:auto}
}