:root{
  --bg:#0a0d12;
  --panel:#10151d;
  --panel-2:#151c25;
  --text:#f3f6f8;
  --muted:#9aa5b1;
  --line:#27303b;
  --accent:#d9ff63;
  --accent-2:#b8d84b;
}

*{box-sizing:border-box}

html{
  scroll-behavior:smooth;
}

body{
  margin:0;
  background:
    radial-gradient(circle at 80% 10%, rgba(217,255,99,.08), transparent 26%),
    var(--bg);
  color:var(--text);
  font-family:"Inter",system-ui,sans-serif;
  line-height:1.6;
}

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

.site-header{
  max-width:1180px;
  margin:0 auto;
  padding:28px 28px;
  display:flex;
  align-items:center;
  justify-content:space-between;
}

.brand{
  display:flex;
  align-items:center;
  gap:12px;
}

.brand-mark{
  width:34px;
  height:34px;
  display:grid;
  place-items:center;
  border:1px solid var(--line);
  border-radius:8px;
  font-family:"Space Grotesk",sans-serif;
  font-weight:700;
  color:var(--accent);
}

.brand-name{
  font-family:"Space Grotesk",sans-serif;
  font-weight:700;
  letter-spacing:.14em;
}

.nav{
  display:flex;
  align-items:center;
  gap:28px;
  color:var(--muted);
  font-size:.95rem;
}

.nav a:hover{color:var(--text)}

.nav-cta{
  border:1px solid var(--line);
  padding:9px 14px;
  border-radius:8px;
}

.hero{
  max-width:1180px;
  margin:0 auto;
  padding:88px 28px 110px;
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:70px;
  align-items:center;
}

.eyebrow,.section-kicker{
  color:var(--accent);
  font-size:.78rem;
  font-weight:700;
  letter-spacing:.18em;
  margin:0 0 18px;
}

h1,h2,h3{
  font-family:"Space Grotesk",sans-serif;
  margin-top:0;
}

h1{
  font-size:clamp(3rem,6vw,6.3rem);
  line-height:.95;
  letter-spacing:-.05em;
  margin-bottom:28px;
}

h1 span{color:var(--muted)}

h2{
  font-size:clamp(2rem,3vw,3.2rem);
  line-height:1.05;
  letter-spacing:-.03em;
}

.lede{
  color:#c4cbd2;
  max-width:650px;
  font-size:1.16rem;
  margin-bottom:32px;
}

.hero-actions{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
}

.button{
  display:inline-block;
  padding:12px 18px;
  border-radius:8px;
  font-weight:700;
  font-size:.94rem;
}

.primary{
  background:var(--accent);
  color:#10140a;
}

.primary:hover{background:var(--accent-2)}

.secondary{
  border:1px solid var(--line);
  color:var(--text);
}

.microcopy{
  margin-top:18px;
  color:var(--muted);
  font-size:.88rem;
}

.hero-visual{
  border:1px solid var(--line);
  border-radius:18px;
  background:
    linear-gradient(180deg,rgba(255,255,255,.02),rgba(255,255,255,0)),
    var(--panel);
  padding:18px;
  box-shadow:0 30px 80px rgba(0,0,0,.3);
}

.hero-visual svg{width:100%;display:block}

.grid path{
  stroke:#1b2430;
  stroke-width:1;
}

.wall path{
  fill:none;
  stroke:#e8edf2;
  stroke-width:3;
}

.nodes circle{
  fill:var(--bg);
  stroke:var(--accent);
  stroke-width:3;
}

.accent path{
  stroke:var(--accent);
  stroke-width:2;
}

.section{
  max-width:1180px;
  margin:0 auto;
  padding:100px 28px;
  border-top:1px solid var(--line);
}

.split{
  display:grid;
  grid-template-columns:.9fr 1.1fr;
  gap:80px;
}

.section-copy{
  color:#c4cbd2;
  font-size:1.08rem;
}

.section-copy p:first-child{margin-top:0}

.cards{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:18px;
  margin-top:36px;
}

.card{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:14px;
  padding:26px;
  min-height:250px;
}

.card-num{
  display:inline-block;
  color:var(--accent);
  font-family:"Space Grotesk",sans-serif;
  margin-bottom:52px;
}

.card h3{
  font-size:1.4rem;
  margin-bottom:10px;
}

.card p{
  color:var(--muted);
  margin:0;
}

.statement{
  text-align:left;
}

blockquote{
  margin:0;
  max-width:900px;
  font-family:"Space Grotesk",sans-serif;
  font-size:clamp(2.1rem,4vw,4.7rem);
  line-height:1.05;
  letter-spacing:-.04em;
  color:#e9edf0;
}

.footer-cta{
  display:flex;
  align-items:end;
  justify-content:space-between;
  gap:28px;
}

footer{
  max-width:1180px;
  margin:0 auto;
  padding:32px 28px 50px;
  border-top:1px solid var(--line);
  display:flex;
  justify-content:space-between;
  gap:20px;
  color:var(--muted);
}

.footer-note{
  margin-left:14px;
  font-size:.85rem;
}

@media (max-width:860px){
  .nav a:not(.nav-cta){display:none}
  .hero,.split,.cards{
    grid-template-columns:1fr;
  }
  .hero{
    padding-top:56px;
  }
  .hero-visual{
    order:-1;
  }
  .split{gap:30px}
  .cards{gap:14px}
  .footer-cta,footer{
    align-items:flex-start;
    flex-direction:column;
  }
  .footer-note{margin-left:0}
}

.simple-wall path{
  fill:none;
  stroke:#e8edf2;
  stroke-width:4;
  stroke-linecap:square;
  stroke-linejoin:miter;
}

.centreline path{
  fill:none;
  stroke:#697583;
  stroke-width:1.5;
  stroke-dasharray:8 8;
}

.grips circle{
  fill:var(--accent);
}

.developer-credit{
  margin:12px 0 0;
  color:var(--muted);
  font-size:1rem;
}

/* V3: deliberately text-only hero */
.hero{
  grid-template-columns:1fr;
  max-width:980px;
}
.hero-copy{
  max-width:820px;
}
.hero-visual{
  display:none !important;
}

/* V4: slightly more restrained headline sizing */
h1{
  font-size:clamp(2.6rem,5vw,5.1rem);
}
h2{
  font-size:clamp(1.8rem,2.6vw,2.7rem);
}
blockquote{
  font-size:clamp(1.8rem,3.2vw,3.6rem);
}