:root{
  --navy-deep:#02132a;
  --navy:#071c38;
  --navy-mid:#0d2b52;
  --panel:#0a2140;
  --panel-hi:#0f2c52;
  --line:rgba(120,170,230,.16);
  --ice:#ecf5fe;
  --ice-dim:#9fb8d6;
  --blue:#4391e6;
  --blue-bright:#6bb6ff;
  --blue-deep:#1c4a86;
  --maxw:1160px;
  --font-body:'Manrope',sans-serif;
  --font-display:'Unbounded',sans-serif;
  --font-script:'Caveat',cursive;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;background:var(--navy-deep);color:var(--ice);
  font-family:var(--font-body);line-height:1.6;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;position:relative;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px;position:relative;}

/* ---------- inline SVG icons ---------- */
.ic{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0;}
.ic-lg{width:28px;height:28px;}
.ic-fill{fill:currentColor;stroke:none;}

/* ---------- ambient background glow ---------- */
.bg-glow{position:fixed;border-radius:50%;filter:blur(90px);pointer-events:none;z-index:0;opacity:.5;}
.bg-glow-1{width:500px;height:500px;background:radial-gradient(circle,rgba(67,145,230,.35),transparent 70%);top:-150px;left:-150px;animation:drift1 22s ease-in-out infinite;}
.bg-glow-2{width:600px;height:600px;background:radial-gradient(circle,rgba(107,182,255,.22),transparent 70%);bottom:10%;right:-200px;animation:drift2 26s ease-in-out infinite;}
@keyframes drift1{0%,100%{transform:translate(0,0);}50%{transform:translate(60px,80px);}}
@keyframes drift2{0%,100%{transform:translate(0,0);}50%{transform:translate(-70px,-50px);}}
@media (prefers-reduced-motion:reduce){.bg-glow,.marquee-track,.hero-mascot,.arc-graphic{animation:none !important;}}

header,.hero,.marquee,.section,footer{position:relative;z-index:1;}

/* ---------- scroll-reveal (progressive enhancement, visible by default) ---------- */
.reveal{transition:opacity .7s ease,transform .7s ease;}
.reveal.reveal-pending{opacity:0;transform:translateY(28px);}
.reveal.is-visible{opacity:1;transform:translateY(0);}

/* ---------- shared section rhythm ---------- */
.section{padding:96px 0;border-bottom:1px solid var(--line);}
.eyebrow{
  display:inline-block;font-family:var(--font-display);font-size:.66rem;font-weight:500;
  letter-spacing:.22em;text-transform:uppercase;color:var(--blue-bright);margin-bottom:16px;
}
.section-title{
  font-family:var(--font-display);font-weight:700;font-size:2.2rem;font-size:clamp(1.7rem,3.4vw,2.5rem);
  letter-spacing:-.01em;line-height:1.15;margin:0 0 18px;color:var(--ice);
}
.lede{font-size:1.02rem;color:var(--ice-dim);max-width:560px;margin:0 0 36px;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:9px;font-family:var(--font-display);font-weight:600;
  font-size:.82rem;letter-spacing:.02em;padding:14px 26px;border-radius:100px;cursor:pointer;border:1px solid transparent;
  transition:transform .15s ease,background .15s ease,border-color .15s ease,box-shadow .15s ease;
}
.btn:hover{transform:translateY(-2px);}
.btn-arrow{transition:transform .15s ease;}
.btn:hover .btn-arrow{transform:translateX(3px);}
.btn-primary{background:linear-gradient(135deg,var(--blue-bright),var(--blue));color:#03101f;}
.btn-primary:hover{background:linear-gradient(135deg,#82c3ff,#5a9fee);box-shadow:0 8px 24px rgba(67,145,230,.35);}
.btn-ghost{background:rgba(255,255,255,.03);border-color:var(--line);color:var(--ice);}
.btn-ghost:hover{border-color:var(--blue-bright);color:var(--blue-bright);}
.btn-small{padding:10px 18px;font-size:.72rem;}
.btn-large{padding:16px 32px;font-size:.88rem;}
.btn-x{background:#fff;color:#02132a;}
.btn-x:hover{background:var(--blue-bright);color:#03101f;}
.btn-x .ic-fill{width:16px;height:16px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;background:rgba(2,19,42,.86);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  max-width:var(--maxw);margin:0 auto;padding:14px 24px;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
}
.brand{display:flex;align-items:center;gap:11px;}
.brand-icon{width:38px;height:38px;border-radius:50%;box-shadow:0 0 0 2px var(--blue-deep),0 0 18px rgba(107,182,255,.35);}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-mark{font-family:var(--font-display);font-weight:700;font-size:1.05rem;letter-spacing:.03em;color:#fff;}
.brand-tag{font-size:.52rem;font-weight:700;letter-spacing:.22em;color:var(--ice-dim);}
.main-nav{display:flex;gap:26px;font-size:.88rem;font-weight:500;color:var(--ice-dim);}
.main-nav a{position:relative;padding:4px 0;}
.main-nav a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--blue-bright);border-radius:2px;transition:width .2s ease;}
.main-nav a:hover{color:var(--ice);}
.main-nav a:hover::after{width:100%;}
.header-actions{display:flex;align-items:center;gap:10px;}
.icon-btn{
  width:36px;height:36px;border-radius:50%;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;color:var(--ice-dim);
  transition:border-color .15s,color .15s,transform .15s;
}
.icon-btn .ic{width:15px;height:15px;}
.icon-btn:hover{border-color:var(--blue-bright);color:var(--blue-bright);transform:translateY(-2px);}
.nav-toggle{display:none;background:none;border:none;color:var(--ice);cursor:pointer;padding:6px;}
.mobile-nav{display:none;flex-direction:column;padding:6px 24px 18px;gap:4px;}
.mobile-nav a{padding:10px 4px;font-size:.95rem;color:var(--ice-dim);border-top:1px solid var(--line);}
.mobile-nav a:first-child{border-top:none;}

/* ---------- hero (coded, no artwork image) ---------- */
.hero{
  position:relative;overflow:hidden;text-align:center;
  padding:84px 0 72px;
  background:
    radial-gradient(900px 500px at 50% -10%, rgba(67,145,230,.22), transparent 65%),
    radial-gradient(700px 420px at 85% 90%, rgba(28,74,134,.35), transparent 60%),
    var(--navy-deep);
  border-bottom:1px solid var(--line);
}
.hero-arc{position:absolute;left:50%;bottom:-4px;transform:translateX(-50%);width:min(1100px,130vw);pointer-events:none;opacity:.9;}
.hero-arc svg{width:100%;height:auto;display:block;}
.hero-inner{display:flex;flex-direction:column;align-items:center;}
.hero-mascot{
  width:104px;height:104px;border-radius:50%;margin-bottom:26px;
  box-shadow:0 0 0 3px var(--blue-deep),0 0 42px rgba(107,182,255,.45);
  animation:mascotFloat 5s ease-in-out infinite;
}
@keyframes mascotFloat{0%,100%{transform:translateY(0);}50%{transform:translateY(-9px);}}
.hero-kicker{
  font-family:var(--font-display);font-weight:500;font-size:.72rem;letter-spacing:.42em;
  text-transform:uppercase;color:var(--blue-bright);margin-bottom:10px;
}
.hero-wordmark{
  font-family:var(--font-display);font-weight:800;
  font-size:7rem;font-size:clamp(4.2rem,14vw,9rem);line-height:1;letter-spacing:.01em;margin:0 0 22px;
  color:#fff;
  filter:drop-shadow(0 6px 34px rgba(107,182,255,.35));
}
/* Gradient fill only where text-clipping is actually supported — a browser
   without it would otherwise render transparent (invisible) text. */
@supports ((-webkit-background-clip:text) or (background-clip:text)){
  .hero-wordmark{
    background:linear-gradient(180deg,#ffffff 30%,var(--blue-bright) 100%);
    -webkit-background-clip:text;background-clip:text;color:transparent;
  }
}
.hero-sub{
  font-family:var(--font-display);font-weight:600;font-size:1.1rem;font-size:clamp(.92rem,2.2vw,1.2rem);
  letter-spacing:.06em;text-transform:uppercase;line-height:1.75;color:var(--ice);margin:0 0 34px;
}
.hero-sub span{color:var(--blue-bright);}
.hero-cta-row{display:flex;gap:14px;flex-wrap:wrap;justify-content:center;margin-bottom:20px;}
.hero-script{
  font-family:var(--font-script);font-size:1.6rem;color:var(--blue-bright);
  transform:rotate(-3deg);opacity:.9;
}
.hero-cards{
  position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:12px;
  margin-top:56px;text-align:left;
}
.hero-card{
  display:flex;gap:14px;align-items:flex-start;
  background:rgba(10,33,64,.72);backdrop-filter:blur(6px);
  border:1px solid var(--line);border-radius:16px;padding:20px;
  transition:border-color .2s,transform .2s;
}
.hero-card:hover{border-color:var(--blue-bright);transform:translateY(-4px);}
.hero-card .ic-lg{color:var(--blue-bright);margin-top:2px;}
.hero-card-body{display:flex;flex-direction:column;gap:4px;}
.hero-card-title{font-family:var(--font-display);font-weight:600;font-size:.8rem;color:#fff;}
.hero-card-text{font-size:.78rem;color:var(--ice-dim);line-height:1.5;}

/* ---------- marquee ---------- */
.marquee{
  background:var(--panel);border-bottom:1px solid var(--line);overflow:hidden;padding:13px 0;white-space:nowrap;
}
.marquee-track{display:inline-flex;align-items:center;gap:22px;animation:marquee 26s linear infinite;}
.marquee-track span{font-family:var(--font-display);font-weight:500;font-size:.68rem;letter-spacing:.18em;text-transform:uppercase;color:var(--ice-dim);}
.marquee-track .dot{width:5px;height:5px;border-radius:50%;background:var(--blue-bright);flex-shrink:0;}
@keyframes marquee{from{transform:translateX(0);}to{transform:translateX(-50%);}}

/* ---------- story ---------- */
.story-row{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:28px;}
.story-chip{
  padding:11px 20px;border-radius:100px;border:1px solid var(--line);background:var(--panel);
  font-size:.86rem;color:var(--ice-dim);transition:transform .15s,border-color .15s;
}
.story-chip:hover{transform:translateY(-2px);border-color:var(--blue-bright);}
.story-chip-accent{border-color:var(--blue-bright);color:var(--blue-bright);}
.disclaimer{font-size:.74rem;color:var(--ice-dim);opacity:.55;max-width:520px;margin:0;}

/* ---------- why arc: pillars ---------- */
.pillar-row{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;}
.pillar-card{
  background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:32px 18px;
  text-align:center;transition:border-color .2s,transform .2s;
  display:flex;flex-direction:column;gap:14px;align-items:center;
}
.pillar-card:hover{border-color:var(--blue-bright);transform:translateY(-4px);}
.pillar-card .ic-lg{color:var(--blue-bright);}
.pillar-word{font-family:var(--font-display);font-weight:600;font-size:.95rem;color:#fff;}

/* ---------- builder roles ---------- */
.role-row{display:flex;flex-wrap:wrap;gap:14px;}
.role-card{
  flex:1 1 140px;background:var(--panel);border:1px solid var(--line);border-radius:18px;
  padding:28px 16px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:12px;
  transition:transform .2s,border-color .2s;
}
.role-card:hover{transform:translateY(-4px);border-color:var(--blue-bright);}
.role-card .ic-lg{color:var(--blue-bright);}
.role-label{font-size:.82rem;font-weight:600;color:var(--ice-dim);}

/* ---------- chart ---------- */
.chart-frame{
  background:var(--panel);border:1px solid var(--line);border-radius:20px;overflow:hidden;
  height:520px;width:100%;
}
.chart-frame iframe{width:100%;height:100%;border:0;}

/* ---------- build the arc ---------- */
.arc-build-section{text-align:center;}
.arc-build-section .wrap{display:flex;flex-direction:column;align-items:center;}
.arc-steps{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin:8px 0 42px;}
.arc-step{
  display:flex;align-items:center;gap:10px;padding:12px 20px;border-radius:100px;
  background:var(--panel);border:1px solid var(--line);opacity:.35;transform:translateY(10px);
  transition:opacity .5s ease,transform .5s ease,border-color .3s ease;
}
.arc-step.is-visible{opacity:1;transform:translateY(0);border-color:var(--blue-bright);}
.arc-step-num{font-family:var(--font-display);font-weight:600;color:var(--blue-bright);font-size:.75rem;}
.arc-step-label{font-size:.86rem;color:var(--ice);}
.arc-graphic{width:min(400px,80vw);margin-bottom:24px;animation:float 5s ease-in-out infinite;}
.arc-svg{width:100%;height:auto;}
.arc-tagline{font-family:var(--font-script);font-size:1.7rem;color:var(--blue-bright);margin:0;transform:rotate(-2deg);}
@keyframes float{0%,100%{transform:translateY(0);}50%{transform:translateY(-10px);}}

/* ---------- mini game ---------- */
.game-box{
  background:var(--panel);border:1px solid var(--line);border-radius:24px;padding:38px 36px;
  max-width:460px;text-align:center;
}
.game-stats{display:flex;justify-content:center;gap:40px;margin-bottom:26px;}
.game-stat{display:flex;flex-direction:column;gap:3px;}
.game-stat-label{font-size:.6rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--ice-dim);}
.game-stat-value{font-family:var(--font-display);font-weight:700;font-size:1.5rem;color:var(--blue-bright);}
.game-tower{
  display:flex;flex-direction:row-reverse;justify-content:center;align-items:flex-end;flex-wrap:wrap-reverse;
  gap:3px;min-height:64px;max-height:100px;overflow:hidden;margin-bottom:20px;
}
.game-brick{
  width:22px;height:14px;border-radius:3px;
  background:linear-gradient(135deg,var(--blue-bright),var(--blue));
  animation:brickPop .25s ease;
}
@keyframes brickPop{from{transform:scale(0);opacity:0;}to{transform:scale(1);opacity:1;}}
.game-tap{
  background:none;border:none;cursor:pointer;padding:0;position:relative;
  display:inline-flex;flex-direction:column;align-items:center;gap:14px;
  -webkit-tap-highlight-color:transparent;user-select:none;
}
.game-tap img{
  width:140px;height:140px;border-radius:50%;object-fit:cover;
  border:3px solid var(--blue-bright);transition:transform .08s ease;
  box-shadow:0 0 34px rgba(107,182,255,.35);
}
.game-tap:active img,.game-tap.tapped img{transform:scale(.92);}
.game-tap-hint{font-family:var(--font-display);font-weight:500;font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--ice-dim);}
.game-result{min-height:1.4em;font-weight:600;color:var(--blue-bright);margin:16px 0 0;}

/* ---------- token ---------- */
.token-card{
  background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:34px;max-width:560px;
}
.token-row{display:flex;gap:36px;margin-bottom:24px;flex-wrap:wrap;}
.token-field{display:flex;flex-direction:column;gap:5px;}
.token-field-label{font-size:.62rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--ice-dim);}
.token-field-value{font-family:var(--font-display);font-weight:600;font-size:1rem;color:#fff;}
.token-ca-row{display:flex;flex-direction:column;gap:9px;margin-bottom:28px;padding-top:20px;border-top:1px solid var(--line);}
.token-ca-line{display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.token-ca{
  font-family:monospace;font-size:.8rem;color:var(--ice);background:var(--panel-hi);
  border:1px solid var(--line);border-radius:8px;padding:9px 12px;overflow-x:auto;white-space:nowrap;max-width:100%;
}
.btn-copy{
  flex-shrink:0;background:var(--panel-hi);border:1px solid var(--line);color:var(--ice-dim);
  font-size:.76rem;font-weight:600;padding:9px 15px;border-radius:8px;cursor:pointer;font-family:inherit;
  transition:color .15s,border-color .15s;
}
.btn-copy:hover{color:#fff;border-color:var(--blue-bright);}
.btn-copy.is-copied{color:var(--blue-bright);border-color:var(--blue-bright);}
.token-btn-row{display:flex;flex-wrap:wrap;gap:10px;}

/* ---------- community ---------- */
.community-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:34px;}
.community-card{
  background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:24px 16px;
  text-align:center;font-size:.86rem;font-weight:600;color:var(--ice);
  display:flex;flex-direction:column;align-items:center;gap:12px;
  transition:border-color .15s,transform .15s;
}
.community-card:hover{border-color:var(--blue-bright);transform:translateY(-3px);}
.community-card .ic-lg{color:var(--blue-bright);}

/* ---------- final CTA ---------- */
.final-section{
  text-align:center;border-bottom:none;
  background:radial-gradient(700px 400px at 50% 30%, rgba(67,145,230,.14), transparent 70%);
}
.final-title{font-family:var(--font-display);font-weight:700;font-size:2rem;font-size:clamp(1.6rem,3.2vw,2.3rem);margin:0 0 12px;}
.final-sub{font-size:1.02rem;color:var(--ice-dim);margin:0 0 32px;}

/* ---------- footer ---------- */
.site-footer{padding:28px 0;}
.footer-inner{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px;}
.footer-brand{font-family:var(--font-display);font-weight:600;font-size:.72rem;letter-spacing:.08em;color:var(--ice);}
.footer-ticker{font-family:var(--font-display);font-size:.6rem;letter-spacing:.2em;color:var(--ice-dim);}

/* ---------- responsive ---------- */
@media (max-width:960px){
  .hero-cards{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:820px){
  .main-nav,.header-actions{display:none;}
  .nav-toggle{display:block;}
  .mobile-nav.is-open{display:flex;}
  .section{padding:64px 0;}
  .hero{padding:60px 0 48px;}
  .pillar-row{grid-template-columns:repeat(2,1fr);}
  .community-grid{grid-template-columns:repeat(2,1fr);}
  .token-card{padding:26px;}
  .chart-frame{height:400px;}
  .game-tap img{width:110px;height:110px;}
  .bg-glow{display:none;}
}
@media (max-width:520px){
  .hero-cards{grid-template-columns:1fr;}
}