:root{
  --bg:#101210;
  --panel:#171a15;
  --line:#2b2f26;
  --gold:#c9a24b;
  --signal:#7fe7c4;
  --text:#e9e5d6;
  --text-dim:#93917f;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:'IBM Plex Mono', monospace;
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3{
  font-family:'Big Shoulders Display', sans-serif;
  font-weight:700;
  letter-spacing:0.01em;
  margin:0;
  text-transform:none;
}
a{color:inherit;}
p{margin:0 0 1em;color:var(--text-dim);max-width:56ch;}
.wrap{max-width:1080px;margin:0 auto;padding:0 28px;}
.row{display:flex;flex-wrap:wrap;}

/* focus visibility */
a:focus-visible, button:focus-visible, input:focus-visible{
  outline:2px solid var(--signal);
  outline-offset:3px;
}

/* NAV */
nav{
  position:sticky;top:0;z-index:50;
  background:rgba(16,18,16,0.9);
  backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line);
}
nav .wrap{
  display:flex;align-items:center;justify-content:space-between;
  padding-top:16px;padding-bottom:16px;
}
.brand{display:flex;align-items:center;gap:10px;font-size:15px;color:var(--text);text-decoration:none;}
.brand svg{display:block;}
.navlinks{display:flex;gap:28px;font-size:14px;color:var(--text-dim);}
.navlinks a{text-decoration:none;}
.navlinks a:hover{color:var(--signal);}
.navlinks a[aria-current="page"]{color:var(--signal);}
.navcta{
  font-size:13px;padding:9px 16px;border:1px solid var(--gold);color:var(--gold);
  text-decoration:none;white-space:nowrap;
}
.navcta:hover{background:var(--gold);color:#101210;}
@media (max-width:720px){ .navlinks{display:none;} }

/* HERO (homepage only) */
.hero{padding:88px 0 64px;border-bottom:1px solid var(--line);}
.hero .wrap{display:grid;grid-template-columns:1.1fr 0.9fr;gap:56px;align-items:center;}
@media (max-width:860px){ .hero .wrap{grid-template-columns:1fr;} }
.kicker{font-size:13px;color:var(--gold);margin-bottom:18px;}
.hero h1{font-size:clamp(38px,5.4vw,64px);line-height:1.03;color:var(--text);}
.hero p.lead{font-size:16px;margin-top:22px;max-width:46ch;}
.cta-row{display:flex;gap:14px;margin-top:30px;flex-wrap:wrap;}
.btn{
  display:inline-block;padding:13px 22px;font-size:14px;text-decoration:none;
  border:1px solid var(--line);color:var(--text);
}
.btn-solid{background:var(--gold);border-color:var(--gold);color:#101210;}
.btn-solid:hover{background:#dcb861;}
.btn-ghost:hover{border-color:var(--signal);color:var(--signal);}

/* PAGE HEADER (about / how-it-works / tokenomics / roadmap) */
.page-header{padding:70px 0 56px;border-bottom:1px solid var(--line);}
.page-header h1{font-size:clamp(34px,4.6vw,52px);line-height:1.05;color:var(--text);}
.page-header p.lead{font-size:15.5px;margin-top:18px;max-width:60ch;}

/* 5D storage crystal visual (homepage only) */
.memviz{
  padding:18px;border:1px solid var(--line);background:var(--panel);
}
.memviz svg{display:block;width:100%;height:auto;}
.side-wall{fill:#152b22;stroke:var(--line);stroke-width:1;}
.facet{stroke:var(--bg);stroke-width:1;}
.crystal-face-outline{fill:none;stroke:var(--gold);stroke-width:2;}
.sweep-rect{transition:transform 1.3s cubic-bezier(.2,.8,.2,1);transform:translateX(0);}
.sweep-rect.go{transform:translateX(360px);}

/* SECTION generic */
section{padding:76px 0;border-bottom:1px solid var(--line);}
section.panel{background:var(--panel);}
.eyebrow{font-size:13px;color:var(--gold);margin-bottom:14px;}
.section-head{max-width:640px;margin-bottom:44px;}
.section-head h2{font-size:clamp(28px,3.6vw,40px);color:var(--text);}
.section-head p{margin-top:14px;font-size:15.5px;}

/* ABOUT */
.about-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:32px;}
@media (max-width:780px){ .about-grid{grid-template-columns:1fr;} }
.about-card{border-top:1px solid var(--line);padding-top:18px;}
.about-card h3{font-size:20px;color:var(--text);margin-bottom:10px;}
.about-card p{font-size:14.5px;}

/* HOW IT WORKS */
.steps{display:flex;flex-direction:column;}
.step{
  display:grid;grid-template-columns:80px 1fr;gap:24px;
  padding:26px 0;border-top:1px solid var(--line);
}
.step:last-child{border-bottom:1px solid var(--line);}
.step .num{font-family:'Big Shoulders Display',sans-serif;font-size:40px;color:var(--gold);line-height:1;}
.step h3{font-size:19px;color:var(--text);margin-bottom:8px;}
.step p{font-size:14.5px;margin-bottom:0;}
@media (max-width:600px){ .step{grid-template-columns:1fr;} }

/* MEMORY MAP / TOKENOMICS */
table.memmap{width:100%;border-collapse:collapse;font-size:14px;}
table.memmap th{
  text-align:left;font-weight:500;color:var(--text-dim);
  border-bottom:1px solid var(--line);padding:10px 12px;font-size:12.5px;
}
table.memmap td{
  padding:16px 12px;border-bottom:1px solid var(--line);vertical-align:top;
}
table.memmap td.addr{color:var(--gold);white-space:nowrap;}
table.memmap td.label{color:var(--text);}
table.memmap td.val{color:var(--text-dim);}

/* ROADMAP */
.phase{
  display:grid;grid-template-columns:140px 1fr;gap:24px;
  padding:24px 0;border-top:1px solid var(--line);
}
.phase:last-child{border-bottom:1px solid var(--line);}
.phase .tag{font-size:13px;color:var(--signal);}
.phase h3{font-size:18px;color:var(--text);margin:6px 0 8px;}
.phase p{font-size:14.5px;margin-bottom:0;}
@media (max-width:600px){ .phase{grid-template-columns:1fr;} }

/* JOIN */
.join-wrap{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start;}
@media (max-width:780px){ .join-wrap{grid-template-columns:1fr;} }
form.signup{display:flex;gap:0;border:1px solid var(--line);max-width:420px;}
form.signup input{
  flex:1;background:transparent;border:none;padding:14px 14px;
  color:var(--text);font-family:'IBM Plex Mono',monospace;font-size:14px;
}
form.signup input::placeholder{color:var(--text-dim);}
form.signup button{
  border:none;background:var(--gold);color:#101210;padding:0 20px;
  font-family:'IBM Plex Mono',monospace;font-size:13px;cursor:pointer;
}
form.signup button:hover{background:#dcb861;}
.signup-note{font-size:12.5px;color:var(--text-dim);margin-top:10px;max-width:420px;}
.confirm{font-size:14px;color:var(--signal);margin-top:14px;display:none;}
.signup-error{font-size:13px;color:#e08a7d;margin-top:14px;display:none;}
.hp-field{position:absolute;left:-9999px;width:1px;height:1px;opacity:0;}

/* FOOTER */
footer{padding:44px 0;}
footer .wrap{display:flex;flex-direction:column;gap:18px;}
.disclaimer{font-size:12.5px;color:var(--text-dim);max-width:64ch;border-top:1px solid var(--line);padding-top:22px;}
.gdpr-footer-text{
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;
  overflow:hidden;margin:0 0 8px;
}
.gdpr-footer-text.expanded{display:block;-webkit-line-clamp:unset;overflow:visible;}
.gdpr-footer-toggle{
  background:none;border:none;color:var(--signal);padding:0;
  font-family:'IBM Plex Mono',monospace;font-size:12px;cursor:pointer;
}
.gdpr-footer-toggle:hover{text-decoration:underline;}
.footrow{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;}
.footlinks{display:flex;gap:20px;font-size:13px;color:var(--text-dim);}
.footlinks a{text-decoration:none;}
.footlinks a:hover{color:var(--signal);}
.footlinks a[aria-current="page"]{color:var(--signal);}

/* GDPR popup */
.gdpr-banner{
  position:fixed;bottom:20px;left:50%;z-index:60;
  width:280px;background:var(--panel);border:1px solid var(--gold);
  padding:10px 14px 12px;box-shadow:0 10px 28px rgba(0,0,0,.4);
  transform:translate(-50%,20px);opacity:0;pointer-events:none;
  transition:transform .35s cubic-bezier(.2,.8,.2,1), opacity .35s ease;
}
.gdpr-banner.show{transform:translate(-50%,0);opacity:1;pointer-events:auto;}
.gdpr-handle{
  display:flex;align-items:center;justify-content:center;
  margin:0 -6px 6px;padding:2px 6px;cursor:move;touch-action:none;
}
.gdpr-grip{color:var(--text-dim);font-size:11px;letter-spacing:3px;user-select:none;}
.gdpr-banner p{
  font-size:11.5px;color:var(--text-dim);margin:0 0 10px;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.gdpr-banner p.expanded{display:block;-webkit-line-clamp:unset;overflow:visible;}
.gdpr-actions{display:flex;align-items:center;gap:8px;justify-content:flex-end;}
.gdpr-details{
  margin-right:auto;background:none;border:none;padding:0;
  font-size:11.5px;color:var(--signal);cursor:pointer;font-family:'IBM Plex Mono',monospace;
}
.gdpr-details:hover{text-decoration:underline;}
.gdpr-accept{
  background:var(--gold);color:#101210;border:none;padding:6px 14px;
  font-family:'IBM Plex Mono',monospace;font-size:11.5px;cursor:pointer;
}
.gdpr-accept:hover{background:#dcb861;}
.gdpr-reject{
  background:transparent;color:var(--text-dim);border:1px solid var(--line);padding:6px 14px;
  font-family:'IBM Plex Mono',monospace;font-size:11.5px;cursor:pointer;
}
.gdpr-reject:hover{border-color:var(--signal);color:var(--signal);}
@media (max-width:360px){ .gdpr-banner{width:calc(100vw - 32px);} }

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  .sweep-rect{transition:none;}
}