:root{
  --paper:#f1f1ee;--paper-2:#e8e8e4;--ink:#0a0a0a;--black:#050505;--black-2:#0b0b0b;
  --line:#d2d2cc;--line-dark:#242424;--muted:#777;--max:1360px;--ease:cubic-bezier(.2,.7,.2,1);
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font-sans,ui-sans-serif),-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;overflow-x:hidden}a{color:inherit}button,input,select,textarea{font:inherit}.page-noise{position:fixed;inset:0;pointer-events:none;z-index:100;opacity:.025;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.5'/%3E%3C/svg%3E")}.topbar{height:78px;position:sticky;top:0;z-index:50;padding:0 max(24px,calc((100vw - var(--max))/2));display:flex;align-items:center;justify-content:space-between;background:rgba(241,241,238,.92);backdrop-filter:blur(18px);border-bottom:1px solid rgba(10,10,10,.09)}.brand{display:flex;align-items:center;gap:12px;text-decoration:none}.brand-mark{width:44px;height:32px;object-fit:contain}.brand-text{font-size:.76rem;font-weight:900;letter-spacing:.12em}.brand-text b{font-weight:500;color:#777}.nav{display:flex;align-items:center;gap:28px}.nav a{font-size:.68rem;font-weight:850;letter-spacing:.12em;text-transform:uppercase;text-decoration:none;position:relative}.nav a:not(.nav-cta)::after{content:"";position:absolute;left:0;right:100%;bottom:-8px;height:1px;background:#111;transition:right .25s ease}.nav a:hover::after{right:0}.nav-cta{padding:11px 18px;border:1px solid #111;border-radius:999px}.menu-button{display:none;border:0;background:none;font-size:.72rem;font-weight:900;letter-spacing:.14em}.hero{position:relative;background:#050505;color:#fff;min-height:calc(100vh - 78px);overflow:hidden;border-bottom:1px solid #191919}.hero-grid{max-width:var(--max);margin:0 auto;min-height:760px;padding:70px 24px 48px;display:grid;grid-template-columns:.82fr 1.18fr;gap:22px;align-items:center;position:relative;z-index:3}.hero-copy{padding:20px 0}.eyebrow,.section-label{font-size:.67rem;letter-spacing:.2em;font-weight:850;text-transform:uppercase}.eyebrow{display:flex;align-items:center;gap:10px;color:#9f9f9f;margin-bottom:28px}.status-dot{width:6px;height:6px;border-radius:50%;background:#fff;box-shadow:0 0 18px rgba(255,255,255,.8)}.hero h1{margin:0;font-size:clamp(4rem,5.55vw,6.65rem);line-height:.86;letter-spacing:-.07em;font-weight:900}.hero h1 span{display:inline-block;margin-top:8px;color:#787878}.hero-lead{max-width:650px;font-size:1.05rem;line-height:1.72;color:#c6c6c6;margin:30px 0}.hero-actions{display:flex;gap:12px;flex-wrap:wrap}.button{display:inline-flex;align-items:center;justify-content:center;gap:14px;min-height:50px;padding:0 21px;border-radius:3px;text-decoration:none;font-weight:850;font-size:.72rem;letter-spacing:.085em;text-transform:uppercase;border:1px solid transparent;cursor:pointer;transition:transform .22s var(--ease),background .22s ease,color .22s ease,border-color .22s ease}.button:hover{transform:translateY(-2px)}.button-light{background:#fff;color:#111}.button-outline{border-color:#5d5d5d;color:#fff;background:rgba(255,255,255,.01)}.button-outline:hover{border-color:#fff}.button-dark{background:#111;color:#fff}.microcopy{color:#696969;font-size:.75rem;margin-top:18px}.hero-stage{position:relative;min-height:620px;isolation:isolate}.hero-art{position:absolute;inset:-2% -10% -4% -4%;background-image:linear-gradient(90deg,#050505 0%,rgba(5,5,5,.48) 14%,rgba(5,5,5,0) 37%),linear-gradient(0deg,#050505 0%,rgba(5,5,5,0) 28%),url('../img/hero-k3.webp');background-size:cover;background-position:center;filter:saturate(.65) contrast(1.08);transform:translate3d(0,0,0) scale(1.02);transition:transform .35s ease;z-index:-2}.hero-art::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 62% 39%,rgba(255,255,255,.08),transparent 36%),linear-gradient(90deg,rgba(5,5,5,.55),transparent 31%)}.hero-stage-line{position:absolute;right:4%;top:9%;width:38%;height:1px;background:linear-gradient(90deg,transparent,#838383)}.hero-stage-copy{position:absolute;right:1.8%;top:13%;display:flex;align-items:center;gap:10px;color:#999;font-size:.56rem;letter-spacing:.26em}.hero-stage-copy i{width:18px;height:1px;background:#595959}.hero-coordinate{position:absolute;right:2%;bottom:8%;font-size:.55rem;line-height:1.7;letter-spacing:.24em;color:#626262;text-align:right}.hero-glow{position:absolute;border-radius:50%;filter:blur(110px);opacity:.2;pointer-events:none}.hero-glow-a{width:420px;height:420px;background:#fff;right:10%;top:20%}.hero-glow-b{width:300px;height:300px;background:#7a7a7a;left:42%;bottom:-20%}.hero-orbit{position:absolute;border:1px solid rgba(255,255,255,.08);border-radius:50%;pointer-events:none}.orbit-a{width:720px;height:720px;right:3%;top:2%}.orbit-b{width:940px;height:940px;right:-12%;top:-13%;border-color:rgba(255,255,255,.04)}.hero-metrics{position:relative;z-index:4;max-width:var(--max);margin:-20px auto 0;padding:22px 24px 26px;display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid #1c1c1c}.hero-metrics>div{display:grid;grid-template-columns:auto 1fr;gap:3px 14px;padding:2px 28px;border-right:1px solid #252525}.hero-metrics>div:first-child{padding-left:0}.hero-metrics>div:last-child{border-right:0}.hero-metrics span{grid-row:1/3;font-size:.58rem;color:#555;letter-spacing:.12em}.hero-metrics strong{font-size:.64rem;letter-spacing:.16em}.hero-metrics small{font-size:.55rem;letter-spacing:.16em;color:#666}.section,.black-section,.early-section{padding:118px max(24px,calc((100vw - var(--max))/2))}.section-label{margin-bottom:38px;color:#747474}.section-label.light{color:#797979}.split{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:start}.section h2,.black-section h2,.early-section h2{margin:0;font-size:clamp(3rem,5vw,5.25rem);line-height:.92;letter-spacing:-.058em}.body-large{font-size:1.15rem;line-height:1.78;color:#4d4d4d}.body-large p:first-child{margin-top:0}.body-large p:last-child{margin-bottom:0}.vision-section{background:linear-gradient(180deg,#f1f1ee,#ecece8)}.pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:78px}.pillar{position:relative;background:#f8f8f5;border:1px solid #d6d6d1;padding:32px;min-height:330px;overflow:hidden}.pillar::before{content:"";position:absolute;width:190px;height:190px;border:1px solid #e3e3df;border-radius:50%;right:-75px;top:-70px}.pillar-head{display:flex;justify-content:space-between;align-items:center}.pillar-no{font-size:.7rem;letter-spacing:.14em}.pill-tag{font-size:.52rem;letter-spacing:.18em;color:#999}.pillar h3{font-size:2.2rem;margin:92px 0 12px;letter-spacing:-.045em}.pillar p{color:#666;max-width:310px;line-height:1.65}.pillar-line{position:absolute;left:32px;right:32px;bottom:25px;height:1px;background:linear-gradient(90deg,#111,#d4d4cf)}.black-section,.early-section{background:#060606;color:#fff}.muted{color:#999}.ecosystem-section{position:relative;overflow:hidden}.ecosystem-section::after{content:"K³";position:absolute;right:-.04em;top:.22em;font-size:34vw;font-weight:950;letter-spacing:-.12em;color:rgba(255,255,255,.018);pointer-events:none}.ecosystem-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:12px;margin-top:76px;position:relative;z-index:1}.eco-card{grid-column:span 4;position:relative;border:1px solid #262626;padding:30px;min-height:270px;background:linear-gradient(145deg,#0e0e0e,#090909);overflow:hidden}.eco-card::after{content:"";position:absolute;inset:auto -30% -55% 10%;height:190px;background:radial-gradient(ellipse,rgba(255,255,255,.055),transparent 68%)}.eco-featured{grid-column:span 8;background:linear-gradient(145deg,#f2f2ef,#dededa);color:#111;border-color:#eee}.eco-index{position:absolute;right:24px;top:24px;font-size:.58rem;letter-spacing:.16em;color:#646464}.eco-kicker{font-size:.6rem;letter-spacing:.18em;color:#777;font-weight:800}.eco-card h3{font-size:2rem;margin:70px 0 14px;letter-spacing:-.04em}.eco-card p{color:#8c8c8c;max-width:400px;line-height:1.65}.eco-featured p{color:#555}.mini-orbit{position:absolute;width:320px;height:320px;border:1px solid rgba(0,0,0,.12);border-radius:50%;right:-60px;bottom:-140px}.mini-orbit::after{content:"";position:absolute;width:8px;height:8px;background:#111;border-radius:50%;top:58px;left:29px}.future{border-style:dashed}.process-heading{align-items:end}.process-heading .body-large{margin:0}.flow{margin-top:70px;display:grid;grid-template-columns:repeat(5,1fr);border-top:1px solid #bbb}.flow-step{position:relative;padding:24px 24px 22px 0;min-height:145px;border-right:1px solid #d1d1cc}.flow-step:last-child{border-right:0}.flow-step::before{content:"";position:absolute;top:-4px;left:0;width:8px;height:8px;background:#111;border-radius:50%}.flow-step b{display:block;font-size:.62rem;letter-spacing:.16em;color:#888;margin-bottom:36px}.flow-step span{font-weight:800;line-height:1.35}.currency-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:80px;align-items:center}.currency-visual{min-height:480px;position:relative;display:flex;align-items:center;justify-content:center;background:#080808;color:#fff;overflow:hidden}.currency-ring{position:absolute;width:360px;height:360px;border:1px solid #313131;border-radius:50%}.currency-ring::after{content:"";position:absolute;width:290px;height:290px;border:1px solid #1d1d1d;border-radius:50%;left:34px;top:34px}.currency-mark{position:relative;font-size:10rem;font-weight:950;letter-spacing:-.1em;text-shadow:0 0 55px rgba(255,255,255,.14)}.currency-visual>span{position:absolute;bottom:24px;font-size:.55rem;letter-spacing:.22em;color:#707070}.notice{margin-top:40px;border-left:3px solid #111;padding:18px 0 18px 22px;display:grid;gap:8px}.notice span{color:#666;max-width:740px;line-height:1.6}.roadmap-section{background:#050505}.timeline{margin-top:74px;display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid #282828}.timeline-item{position:relative;padding:28px 28px 44px;border-right:1px solid #282828;border-bottom:1px solid #282828;min-height:220px}.timeline-item:nth-child(3n){border-right:none}.timeline-item::before{content:"";position:absolute;left:0;top:-2px;width:0;height:3px;background:#fff;transition:width .5s ease}.timeline-item:hover::before,.timeline-item.active::before{width:100%}.timeline-item span{font-size:.58rem;letter-spacing:.18em;color:#666;font-weight:800}.timeline-item.active span{color:#fff}.timeline-item h3{font-size:1.55rem;margin:40px 0 10px}.timeline-item p{color:#838383;line-height:1.6}.whitepaper-card{background:#fff;border:1px solid #d4d4cf;display:grid;grid-template-columns:1.35fr .65fr;padding:58px;align-items:center;overflow:hidden}.whitepaper-card h2{font-size:clamp(2.8rem,5vw,5rem)}.whitepaper-card p{max-width:680px;font-size:1.04rem;line-height:1.72;color:#626262;margin:24px 0 32px}.wp-visual{min-height:360px;background:#090909;color:#fff;position:relative;display:flex;align-items:center;justify-content:center;overflow:hidden}.wp-ring{position:absolute;width:330px;height:330px;border:1px solid #303030;border-radius:50%}.wp-ring::after{content:"";position:absolute;inset:52px;border:1px solid #202020;border-radius:50%}.wp-mark{font-size:8.6rem;font-weight:950;letter-spacing:-.1em}.wp-visual>span{position:absolute;bottom:22px;font-size:.52rem;letter-spacing:.18em;color:#6f6f6f}.early-grid{display:grid;grid-template-columns:1fr 1fr;gap:90px}.roles{display:flex;flex-wrap:wrap;gap:8px;margin-top:30px}.roles span{border:1px solid #303030;padding:9px 12px;font-size:.58rem;letter-spacing:.13em;color:#9b9b9b}.contact-line{margin-top:28px;font-size:.78rem;color:#686868}.contact-line a{color:#aaa}.signup-form{background:#f3f3f0;color:#111;padding:30px;border:1px solid #2a2a2a}.form-header{display:flex;justify-content:space-between;gap:18px;align-items:end;margin-bottom:28px;padding-bottom:20px;border-bottom:1px solid #d4d4cf}.form-header span{font-size:.55rem;letter-spacing:.16em;color:#888}.form-header strong{font-size:1rem}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}label{display:grid;gap:8px;font-size:.65rem;text-transform:uppercase;letter-spacing:.1em;font-weight:800;margin-bottom:17px}label small{font-weight:500;color:#999;text-transform:none;letter-spacing:0}input,select,textarea{width:100%;border:1px solid #d0d0ca;background:#fafaf8;color:#111;padding:13px;font:inherit;border-radius:0;outline:none;transition:border-color .2s,box-shadow .2s}input:focus,select:focus,textarea:focus{border-color:#111;box-shadow:0 0 0 1px #111}.consent{display:flex;grid-template-columns:auto 1fr;align-items:start;text-transform:none;letter-spacing:0;font-weight:500;line-height:1.45}.consent input{width:auto;margin-top:3px}.hp{position:absolute!important;left:-9999px!important;width:1px!important;height:1px!important;opacity:0!important}.submit-button{width:100%;background:#111;color:#fff}.form-status{font-size:.8rem;margin-top:12px;min-height:1.2em}.form-status.ok{color:#25713c}.form-status.error{color:#a12424}footer{background:#030303;color:#fff;padding:42px max(24px,calc((100vw - var(--max))/2));display:grid;grid-template-columns:1fr 1.4fr auto;gap:38px;align-items:center;border-top:1px solid #171717}.footer-brand{display:flex;align-items:center;gap:12px}.footer-mark{width:38px;filter:invert(1)}.footer-brand div{display:grid;gap:3px}.footer-brand strong{font-size:.75rem;letter-spacing:.08em}.footer-brand span{font-size:.55rem;letter-spacing:.16em;color:#686868}footer p{font-size:.72rem;color:#686868;margin:0;line-height:1.6}footer>a{font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;text-decoration:none}.reveal{opacity:1;transform:none}.reveal.visible{opacity:1;transform:none}
@media(max-width:1050px){.hero-grid{grid-template-columns:1fr;min-height:auto}.hero-copy{padding-top:36px;z-index:2}.hero-stage{min-height:540px;margin-top:-30px}.hero h1{font-size:clamp(4rem,10vw,6.7rem)}.hero-art{inset:0 -12% -4% -12%;background-position:center}.hero-metrics{grid-template-columns:repeat(2,1fr);row-gap:22px}.hero-metrics>div:nth-child(2){border-right:0}.split,.currency-grid,.early-grid,.whitepaper-card{grid-template-columns:1fr}.pillars{grid-template-columns:1fr 1fr}.ecosystem-grid{grid-template-columns:repeat(2,1fr)}.eco-card,.eco-featured{grid-column:auto}.whitepaper-card{gap:32px}.wp-visual{min-height:300px}}
@media(max-width:800px){.topbar{height:70px}.menu-button{display:block}.nav{position:fixed;top:70px;left:0;right:0;background:#f1f1ee;padding:22px;display:none;flex-direction:column;align-items:flex-start;border-bottom:1px solid #ccc}.nav.open{display:flex}.hero{min-height:auto}.hero-grid{padding:44px 20px 20px}.hero-copy{order:1}.hero-stage{order:2;min-height:430px}.hero-stage-copy,.hero-coordinate{display:none}.hero-metrics{padding:20px;grid-template-columns:1fr 1fr}.section,.black-section,.early-section{padding:82px 20px}.split{gap:34px}.pillars{grid-template-columns:1fr}.flow{grid-template-columns:1fr;border-top:0}.flow-step{border-right:0;border-top:1px solid #bbb;padding:22px 0}.flow-step:first-child{border-top:1px solid #bbb}.timeline{grid-template-columns:1fr}.timeline-item,.timeline-item:nth-child(3n){border-right:0}.ecosystem-grid{grid-template-columns:1fr}.form-row{grid-template-columns:1fr}footer{grid-template-columns:1fr}}
@media(max-width:520px){.brand-text{font-size:.66rem}.brand-mark{width:38px}.hero h1{font-size:clamp(3.6rem,17vw,5.2rem)}.hero-lead{font-size:.98rem}.hero-stage{min-height:330px}.hero-art{inset:0 -28% 0 -30%;background-position:57% center}.hero-metrics{grid-template-columns:1fr}.hero-metrics>div{border-right:0;border-bottom:1px solid #202020;padding:12px 0}.hero-metrics>div:last-child{border-bottom:0}.section h2,.black-section h2,.early-section h2{font-size:clamp(2.7rem,13vw,4.3rem)}.signup-form{padding:22px}.whitepaper-card{padding:26px}.wp-visual{min-height:240px}.wp-mark{font-size:6.6rem}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.reveal{transition:none;opacity:1;transform:none}.hero-art{transition:none}}

/* =========================================================
   v0.5 — multilingual navigation
   ========================================================= */
.topbar-right{display:flex;align-items:center;gap:20px}
.language-switcher{display:flex;align-items:center;gap:6px;padding-left:18px;border-left:1px solid rgba(10,10,10,.14);font-size:.62rem;font-weight:900;letter-spacing:.13em}
.language-switcher a{text-decoration:none;color:#888;transition:color .2s ease,opacity .2s ease}
.language-switcher a:hover,.language-switcher a.active{color:#111}
.language-switcher a.active{position:relative}
.language-switcher a.active::after{content:"";position:absolute;left:0;right:.12em;bottom:-5px;height:1px;background:#111}
.language-switcher span{color:#bbb}
.whitepaper-language-note{margin-top:13px;color:#909090;font-size:.68rem;line-height:1.5}
@media(min-width:1051px){
  .lang-en .hero h1,.lang-es .hero h1{font-size:clamp(4.65rem,4.85vw,6.55rem)}
  .lang-es .hero-grid{grid-template-columns:minmax(535px,.94fr) minmax(600px,1.06fr)}
}
@media(max-width:1180px) and (min-width:801px){
  .nav{gap:18px}.topbar-right{gap:14px}.language-switcher{padding-left:12px}
}
@media(max-width:800px){
  .topbar-right{gap:12px;margin-left:auto}
  .language-switcher{border-left:0;padding-left:0;margin-right:10px}
  .nav{z-index:60}
  .nav.open + .language-switcher{display:flex}
}
@media(max-width:520px){
  .language-switcher{font-size:.57rem;gap:4px;margin-right:6px}
  .brand-text{display:none}
}
/* v0.5 asset consolidation: one K³ image for hero/header/footer */
.brand-mark{object-fit:contain;filter:invert(1);mix-blend-mode:multiply}
.footer-mark{filter:none;object-fit:contain}


/* =========================================================
   v0.7 — clear Early Access participation profiles
   ========================================================= */
.role-fieldset{border:0;padding:0;margin:0 0 20px;min-width:0}
.role-fieldset legend{padding:0;margin:0 0 8px;font-size:.65rem;text-transform:uppercase;letter-spacing:.1em;font-weight:800}
.role-note{margin:0 0 14px;color:#767676;font-size:.72rem;line-height:1.55;text-transform:none;letter-spacing:0}
.role-options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.role-card{position:relative;display:grid;grid-template-columns:18px minmax(0,1fr);align-items:start;gap:11px;margin:0;padding:15px 14px;border:1px solid #d0d0ca;background:#fafaf8;cursor:pointer;text-transform:none;letter-spacing:0;font-weight:500;transition:border-color .18s ease,background .18s ease,transform .18s ease,box-shadow .18s ease}
.role-card:hover{border-color:#8f8f89;background:#fff;transform:translateY(-1px)}
.role-card input{position:absolute;opacity:0;pointer-events:none;width:1px;height:1px}
.role-check{width:16px;height:16px;margin-top:2px;border:1px solid #9c9c96;border-radius:50%;display:grid;place-items:center;transition:border-color .18s ease,background .18s ease,box-shadow .18s ease}
.role-check::after{content:"";width:6px;height:6px;border-radius:50%;background:#fff;transform:scale(0);transition:transform .18s ease}
.role-card input:checked + .role-check{background:#111;border-color:#111;box-shadow:0 0 0 3px rgba(17,17,17,.08)}
.role-card input:checked + .role-check::after{transform:scale(1)}
.role-card:has(input:checked){border-color:#111;background:#fff;box-shadow:0 7px 24px rgba(0,0,0,.055)}
.role-card input:focus-visible + .role-check{outline:2px solid #111;outline-offset:3px}
.role-card-copy{display:grid;gap:5px;min-width:0}
.role-card-copy strong{font-size:.76rem;line-height:1.25;letter-spacing:.015em;color:#111}
.role-card-copy small{font-size:.68rem;line-height:1.48;color:#777;font-weight:500;text-transform:none;letter-spacing:0}
@media(max-width:720px){.role-options{grid-template-columns:1fr}.role-card{padding:14px 13px}}


/* =========================================================
   v0.8 — native coin, ecosystem motion and reliable top action
   ========================================================= */

/* --- Ecosystem: subtle living network --- */
.ecosystem-section{
  isolation:isolate;
}
.ecosystem-network{
  position:absolute;
  inset:245px max(24px,calc((100vw - var(--max))/2)) auto;
  height:150px;
  pointer-events:none;
  z-index:0;
  opacity:.7;
}
.network-line{
  position:absolute;
  left:3%;
  right:3%;
  top:50%;
  height:1px;
  background:
    linear-gradient(90deg,
      transparent 0%,
      rgba(255,255,255,.05) 7%,
      rgba(255,255,255,.22) 31%,
      rgba(255,255,255,.07) 58%,
      rgba(255,255,255,.16) 82%,
      transparent 100%);
}
.network-line::before,
.network-line::after{
  content:"";
  position:absolute;
  width:34%;
  height:80px;
  top:-40px;
  border:1px solid rgba(255,255,255,.055);
  border-bottom:0;
  border-radius:50% 50% 0 0;
}
.network-line::before{left:7%;transform:rotate(-3deg)}
.network-line::after{right:9%;transform:rotate(3deg)}
.network-node{
  position:absolute;
  top:calc(50% - 3px);
  width:6px;
  height:6px;
  border-radius:50%;
  background:#8e8e8e;
  box-shadow:0 0 0 4px rgba(255,255,255,.025),0 0 18px rgba(255,255,255,.12);
}
.node-a{left:12%}.node-b{left:38%}.node-c{left:67%}.node-d{left:88%}
.network-pulse{
  position:absolute;
  top:calc(50% - 2px);
  left:4%;
  width:54px;
  height:4px;
  border-radius:999px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.95),transparent);
  filter:blur(.2px);
  box-shadow:0 0 16px rgba(255,255,255,.45);
  animation:network-travel 9s cubic-bezier(.4,0,.2,1) infinite;
}
@keyframes network-travel{
  0%{transform:translateX(0);opacity:0}
  8%{opacity:.9}
  88%{opacity:.9}
  100%{transform:translateX(min(76vw,1120px));opacity:0}
}
.ecosystem-grid{z-index:2}
.eco-card{
  transition:transform .28s var(--ease),border-color .28s ease,background .28s ease,box-shadow .28s ease;
}
.eco-card:hover{
  transform:translateY(-4px);
  border-color:#3a3a3a;
  box-shadow:0 20px 55px rgba(0,0,0,.24);
}
.eco-featured:hover{
  border-color:#f6f6f3;
  box-shadow:0 24px 70px rgba(0,0,0,.22);
}
.eco-scan{
  position:absolute;
  left:-30%;
  top:0;
  width:28%;
  height:100%;
  transform:skewX(-18deg);
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.22),transparent);
  opacity:.22;
  animation:eco-scan 8.5s ease-in-out infinite;
  pointer-events:none;
}
@keyframes eco-scan{
  0%,18%{left:-34%;opacity:0}
  30%{opacity:.18}
  62%{left:118%;opacity:.12}
  100%{left:118%;opacity:0}
}

/* --- Currency: actual K³ coin built mostly in CSS --- */
.currency-visual{
  min-height:540px;
  perspective:1200px;
  background:
    radial-gradient(circle at 50% 47%,rgba(255,255,255,.07),transparent 26%),
    radial-gradient(circle at 50% 50%,#111 0%,#080808 55%,#050505 100%);
  border:1px solid #161616;
}
.currency-visual::before{
  content:"";
  position:absolute;
  inset:0;
  background:
    linear-gradient(125deg,transparent 32%,rgba(255,255,255,.035) 45%,transparent 58%),
    radial-gradient(circle at 50% 90%,rgba(255,255,255,.06),transparent 38%);
  pointer-events:none;
}
.coin-field{
  position:absolute;
  inset:0;
  display:grid;
  place-items:center;
  pointer-events:none;
}
.coin-glow{
  width:330px;
  aspect-ratio:1;
  border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.16) 0%,rgba(255,255,255,.045) 30%,transparent 69%);
  filter:blur(26px);
  animation:coin-breathe 5.4s ease-in-out infinite;
}
.coin-orbit{
  position:absolute;
  width:410px;
  height:155px;
  border:1px solid rgba(255,255,255,.12);
  border-radius:50%;
  transform:rotate(-16deg);
  animation:coin-orbit 16s linear infinite;
}
.coin-orbit-b{
  width:360px;
  height:275px;
  transform:rotate(58deg);
  border-color:rgba(255,255,255,.065);
  animation-duration:22s;
  animation-direction:reverse;
}
.coin-orbit i{
  position:absolute;
  left:11%;
  top:19%;
  width:6px;
  height:6px;
  border-radius:50%;
  background:#fff;
  box-shadow:0 0 10px #fff,0 0 28px rgba(255,255,255,.6);
}
.coin-orbit-b i{left:73%;top:76%;width:4px;height:4px}
.k3-coin{
  position:relative;
  width:min(330px,64%);
  aspect-ratio:1;
  border-radius:50%;
  transform-style:preserve-3d;
  transform:rotateX(8deg) rotateY(-12deg);
  animation:coin-float 6.2s ease-in-out infinite;
  z-index:2;
}
.coin-rim{
  position:absolute;
  inset:-10px;
  border-radius:50%;
  background:
    conic-gradient(from 20deg,
      #171717 0deg,
      #bdbdb8 35deg,
      #323230 72deg,
      #f0f0eb 104deg,
      #252525 145deg,
      #9d9d99 195deg,
      #202020 248deg,
      #d9d9d4 305deg,
      #171717 360deg);
  box-shadow:
    0 18px 50px rgba(0,0,0,.65),
    0 0 45px rgba(255,255,255,.07);
}
.coin-rim::after{
  content:"";
  position:absolute;
  inset:8px;
  border-radius:50%;
  background:#090909;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.16);
}
.coin-face{
  position:absolute;
  inset:0;
  overflow:hidden;
  border-radius:50%;
  display:grid;
  place-items:center;
  background:
    radial-gradient(circle at 36% 28%,rgba(255,255,255,.11),transparent 23%),
    radial-gradient(circle at 50% 58%,#141414 0%,#090909 68%,#050505 100%);
  border:1px solid rgba(255,255,255,.16);
  box-shadow:
    inset -20px -26px 48px rgba(0,0,0,.58),
    inset 14px 16px 35px rgba(255,255,255,.025);
}
.coin-face::before{
  content:"";
  position:absolute;
  inset:11px;
  border:1px solid rgba(255,255,255,.07);
  border-radius:50%;
}
.coin-symbol{
  width:48%;
  max-height:48%;
  object-fit:contain;
  filter:brightness(0) invert(1) drop-shadow(0 0 14px rgba(255,255,255,.16));
  z-index:2;
}
.coin-micro{
  position:absolute;
  left:50%;
  transform:translateX(-50%);
  width:100%;
  text-align:center;
  font-size:.45rem;
  letter-spacing:.29em;
  color:#696969;
  z-index:3;
}
.coin-micro-top{top:15%}
.coin-micro-bottom{bottom:14%;letter-spacing:.22em}
.coin-shine{
  position:absolute;
  top:-25%;
  left:-58%;
  width:36%;
  height:150%;
  transform:rotate(21deg);
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.16),rgba(255,255,255,.035),transparent);
  filter:blur(1px);
  animation:coin-shine 7.4s ease-in-out infinite;
  z-index:4;
}
.currency-visual>span{
  bottom:22px;
  z-index:4;
}
@keyframes coin-float{
  0%,100%{transform:translateY(-5px) rotateX(8deg) rotateY(-12deg)}
  50%{transform:translateY(8px) rotateX(4deg) rotateY(9deg)}
}
@keyframes coin-breathe{
  0%,100%{transform:scale(.9);opacity:.52}
  50%{transform:scale(1.12);opacity:.95}
}
@keyframes coin-orbit{
  to{rotate:360deg}
}
@keyframes coin-shine{
  0%,30%{left:-58%;opacity:0}
  42%{opacity:.9}
  62%{left:122%;opacity:.28}
  100%{left:122%;opacity:0}
}

/* --- Footer top control --- */
.back-to-top{
  display:inline-flex;
  align-items:center;
  gap:10px;
  text-decoration:none;
  cursor:pointer;
}
.back-to-top span{
  display:inline-grid;
  place-items:center;
  width:24px;
  height:24px;
  border:1px solid currentColor;
  border-radius:50%;
  font-size:.72rem;
  transition:transform .2s ease,background .2s ease,color .2s ease;
}
.back-to-top:hover span{transform:translateY(-3px)}

@media(max-width:900px){
  .ecosystem-network{display:none}
  .currency-visual{min-height:450px}
  .k3-coin{width:min(300px,70%)}
  .coin-orbit{width:350px;height:135px}
  .coin-orbit-b{width:310px;height:235px}
}
@media(max-width:520px){
  .currency-visual{min-height:390px}
  .k3-coin{width:min(250px,72%)}
  .coin-orbit{width:290px;height:110px}
  .coin-orbit-b{width:255px;height:195px}
  .coin-micro{font-size:.38rem}
}
@media(prefers-reduced-motion:reduce){
  .network-pulse,.eco-scan,.coin-glow,.coin-orbit,.k3-coin,.coin-shine{animation:none!important}
}

/* K³ Explorer CTA */
.hero-actions {
  flex-wrap: wrap;
}

@media (max-width: 760px) {
  .hero-actions .button {
    flex: 1 1 auto;
  }
}

/* =========================================================
   v0.4 Accounts & Community entry points
   ========================================================= */
@media(min-width:1181px){.nav{gap:20px}.topbar-right{gap:14px}.nav a{white-space:nowrap}}
@media(max-width:1280px) and (min-width:801px){.nav a:nth-child(1),.nav a:nth-child(2){display:none}}