/* ============================================================
   BuilderCat — hand-drawn "corat-coret" theme, light + dark
   ============================================================ */

:root{
  /* structural (shared by both themes) */
  --maxw:1180px;
  --bw:2.4px;                 /* ink stroke width */
  --font-hand:"Kalam","Bricolage Grotesque",cursive;
  --font-body:"Space Grotesk",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  /* wobbly hand-drawn corner sets */
  --r1:230px 18px 210px 20px/18px 210px 22px 220px;
  --r2:18px 220px 20px 210px/210px 18px 220px 22px;
  --r3:210px 22px 220px 18px/20px 210px 18px 230px;
  --r-btn:16px 12px 18px 12px/12px 18px 12px 16px;
  --r-chip:14px 10px 16px 10px/10px 16px 10px 14px;
}

/* ---------- DARK THEME (default) ---------- */
:root,html[data-theme="dark"]{
  --bg:#060912;
  --bg-2:#0a1022;
  --surface:rgba(255,255,255,.045);
  --surface-2:rgba(255,255,255,.08);
  --stroke:rgba(150,178,255,.42);
  --stroke-soft:rgba(150,178,255,.22);
  --text:#eef2ff;
  --text-soft:#a7b6de;
  --text-dim:#6c7ba6;
  --blue:#2f6bff;
  --blue-bright:#6a97ff;
  --glow:rgba(47,107,255,.55);
  --grad-blue:linear-gradient(135deg,#2f6bff 0%,#57a8ff 100%);
  --grad-head:linear-gradient(180deg,#ffffff 0%,#b9ccff 100%);
  --h1-shadow:0 0 60px rgba(47,107,255,.30);
  --card-shadow:0 22px 50px -26px rgba(20,55,180,.6),0 0 0 1px var(--stroke-soft);
  --card-shadow-hover:0 26px 60px -22px rgba(47,107,255,.55),0 0 0 1px var(--stroke);
  --btn-shadow:0 10px 26px -8px var(--glow);
  --footer-bg:linear-gradient(180deg,transparent,rgba(47,107,255,.06)),#0a1022;
  --footer-text:#eef2ff;
  --footer-link:#a7b6de;
  --nav-bg:rgba(8,12,24,.55);
  --nav-bg-scroll:rgba(8,12,24,.82);
  --paper-dots:rgba(150,178,255,.10);
}

/* ---------- LIGHT THEME (sketchbook paper) ---------- */
html[data-theme="light"]{
  --bg:#fdfbf4;
  --bg-2:#f3efe3;
  --surface:#ffffff;
  --surface-2:#fbf9f1;
  --stroke:#17264a;
  --stroke-soft:rgba(23,38,74,.28);
  --text:#17264a;
  --text-soft:#42547e;
  --text-dim:#8a90a6;
  --blue:#1652f0;
  --blue-bright:#0f3fd0;
  --glow:rgba(22,82,240,.28);
  --grad-blue:linear-gradient(135deg,#1652f0 0%,#4b86ff 100%);
  --grad-head:linear-gradient(180deg,#17264a 0%,#1652f0 130%);
  --h1-shadow:0 4px 0 rgba(23,38,74,.12);
  --card-shadow:5px 5px 0 var(--stroke);
  --card-shadow-hover:8px 8px 0 var(--stroke);
  --btn-shadow:3px 3px 0 var(--stroke);
  --footer-bg:#17264a;
  --footer-text:#fdfbf4;
  --footer-link:#c9d3ff;
  --nav-bg:rgba(253,251,244,.72);
  --nav-bg-scroll:rgba(253,251,244,.9);
  --paper-dots:rgba(23,38,74,.14);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  position:relative;
  transition:background .4s ease, color .4s ease;
}
/* ambient light + paper grain, fixed behind everything */
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(60% 40% at 78% -5%, var(--glow), transparent 60%),
    radial-gradient(50% 45% at 8% 8%, var(--glow), transparent 62%),
    radial-gradient(70% 60% at 50% 120%, var(--glow), transparent 60%);
  opacity:.5;transition:opacity .4s ease;
}
body::after{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.05;
  background-image:radial-gradient(circle at 1px 1px,var(--paper-dots) 1px,transparent 0);
  background-size:3px 3px;
}
html[data-theme="light"] body::after{opacity:.5}
body>*{position:relative;z-index:1}

h1,h2,h3,.brand,.footer-brand{font-family:var(--font-hand);font-weight:700}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.accent{background:var(--grad-blue);-webkit-background-clip:text;background-clip:text;color:transparent}

/* scroll progress bar */
.scroll-progress{
  position:fixed;top:0;left:0;height:3px;width:0;z-index:100;
  background:var(--grad-blue);box-shadow:0 0 12px var(--glow);
  transition:width .08s linear;
}

/* buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.45em;
  font-family:var(--font-hand);font-weight:700;font-size:1.02rem;
  padding:.6em 1.15em;border-radius:var(--r-btn);border:var(--bw) solid var(--stroke);
  cursor:pointer;transition:transform .16s ease, box-shadow .22s ease, background .2s ease, border-color .2s ease, color .2s;
  line-height:1;white-space:nowrap;color:var(--text);background:var(--surface);
}
.btn-primary{background:var(--grad-blue);color:#fff;border-color:var(--stroke);box-shadow:var(--btn-shadow)}
.btn-primary:hover{transform:translate(-2px,-2px);box-shadow:var(--card-shadow-hover)}
.btn-outline{background:var(--surface);color:var(--text);box-shadow:var(--btn-shadow)}
.btn-outline:hover{transform:translate(-2px,-2px);border-color:var(--blue-bright);box-shadow:var(--card-shadow-hover)}
.btn-ghost{background:var(--surface);color:var(--text)}
.btn-ghost:hover{background:var(--surface-2);border-color:var(--blue-bright);color:var(--blue-bright)}
.btn-lg{padding:.78em 1.5em;font-size:1.18rem}
.theme-toggle{font-size:1.1rem}

/* nav */
.nav{
  position:sticky;top:0;z-index:50;
  display:flex;align-items:center;justify-content:space-between;gap:1rem;
  padding:.7rem clamp(1rem,4vw,2.5rem);
  background:var(--nav-bg);backdrop-filter:blur(14px) saturate(140%);
  border-bottom:var(--bw) solid var(--stroke-soft);
  transition:background .3s ease, border-color .3s ease, box-shadow .3s ease;
}
.nav.scrolled{background:var(--nav-bg-scroll);border-bottom-color:var(--stroke);box-shadow:0 10px 34px -20px rgba(0,0,0,.5)}
.brand{display:flex;align-items:center;gap:.55rem;font-size:1.5rem;font-weight:700}
.brand img{border-radius:12px 8px 12px 8px/8px 12px 8px 12px;border:var(--bw) solid var(--stroke)}
.brand b{background:var(--grad-blue);-webkit-background-clip:text;background-clip:text;color:transparent}
.nav-links{display:flex;gap:1.4rem;font-weight:500;font-family:var(--font-body)}
.nav-links a{color:var(--text-soft);transition:color .15s;position:relative}
.nav-links a::after{content:"";position:absolute;left:0;bottom:-5px;height:3px;width:0;border-radius:4px;background:var(--grad-blue);transition:width .22s ease}
.nav-links a:hover{color:var(--text)}
.nav-links a:hover::after{width:100%}
.nav-cta{display:flex;gap:.5rem;align-items:center}
.nav-cta .btn-ghost{width:44px;height:44px;padding:0;font-size:1.15rem;border-radius:16px 12px 15px 13px/13px 15px 12px 16px}

/* hero */
.hero{position:relative;overflow:hidden;padding:clamp(3rem,7vw,6rem) clamp(1rem,4vw,2.5rem) clamp(2.5rem,5vw,4rem)}
.hero-bg{
  position:absolute;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(48% 55% at 80% 18%, var(--glow), transparent 66%),
    radial-gradient(40% 45% at 10% 88%, var(--glow), transparent 66%),
    linear-gradient(180deg,var(--bg),var(--bg-2));
  opacity:.9;
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(circle at 1px 1px,var(--paper-dots) 1.4px,transparent 0);
  background-size:26px 26px;
  -webkit-mask-image:radial-gradient(72% 62% at 50% 32%,#000,transparent 82%);
          mask-image:radial-gradient(72% 62% at 50% 32%,#000,transparent 82%);
}
.hero-inner{
  position:relative;z-index:1;max-width:var(--maxw);margin:0 auto;
  display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(1.5rem,4vw,3rem);align-items:center;
}
.badge{
  display:inline-flex;align-items:center;gap:.5rem;
  background:var(--surface);border:var(--bw) solid var(--stroke);border-radius:var(--r-chip);
  padding:.4rem .9rem;font-weight:700;font-size:.9rem;color:var(--text-soft);font-family:var(--font-hand);
  box-shadow:var(--btn-shadow);
}
.badge .dot{width:9px;height:9px;border-radius:50%;background:var(--blue);box-shadow:0 0 0 0 var(--glow);animation:pulse 1.8s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 var(--glow)}70%{box-shadow:0 0 0 9px rgba(47,107,255,0)}100%{box-shadow:0 0 0 0 rgba(47,107,255,0)}}
.hero h1{
  font-size:clamp(3.6rem,10vw,6.6rem);line-height:.95;margin:.6rem 0 .3rem;letter-spacing:-.01em;
  background:var(--grad-head);-webkit-background-clip:text;background-clip:text;color:transparent;
  text-shadow:var(--h1-shadow);
}
.tagline{font-size:clamp(1.05rem,2.4vw,1.4rem);color:var(--text-soft);max-width:32ch;margin:.3rem 0 1.2rem;line-height:1.5}
.tagline b{color:var(--text)}
.ticker-row{display:flex;flex-wrap:wrap;gap:.55rem;margin-bottom:1.5rem}
.chip{background:var(--surface);border:var(--bw) solid var(--stroke);border-radius:var(--r-chip);padding:.42rem .9rem;font-weight:700;font-size:.9rem;color:var(--text-soft);font-family:var(--font-hand)}
.chip-blue{background:var(--grad-blue);color:#fff;box-shadow:var(--btn-shadow)}
.cta-row{display:flex;flex-wrap:wrap;gap:.7rem;margin-bottom:1.5rem}
.contract{
  display:flex;align-items:center;gap:.55rem;flex-wrap:wrap;
  background:var(--surface);border:var(--bw) solid var(--stroke);border-radius:var(--r-btn);
  padding:.5rem .5rem .5rem .85rem;box-shadow:var(--btn-shadow);max-width:100%;
}
.contract-label{font-weight:800;color:var(--blue-bright);font-size:.85rem;font-family:var(--font-hand)}
.contract code{font-family:var(--font-body),monospace;font-size:.82rem;overflow:hidden;text-overflow:ellipsis;flex:1;min-width:0;color:var(--text-soft)}
.copy-btn{
  border:var(--bw) solid var(--stroke);background:var(--grad-blue);color:#fff;font-weight:700;font-family:var(--font-hand);
  border-radius:12px 9px 13px 9px/9px 13px 9px 12px;padding:.42rem .9rem;cursor:pointer;transition:filter .15s, transform .15s;flex:none;
}
.copy-btn:hover{filter:brightness(1.08)}
.copy-btn.ok{filter:brightness(.85)}

.hero-art{position:relative;min-height:340px;display:flex;justify-content:center;align-items:center}
.hero-art::before{
  content:"";position:absolute;width:min(80%,420px);aspect-ratio:1;border-radius:50%;
  background:radial-gradient(circle,var(--glow),transparent 62%);filter:blur(20px);z-index:0;opacity:.9;
}
.hero-art img{position:relative;z-index:1;filter:drop-shadow(0 22px 34px rgba(0,0,0,.35))}
.float-a{width:min(78%,420px);animation:floatY 5s ease-in-out infinite}
.float-b{position:absolute;width:130px;right:2%;top:2%;transform:rotate(6deg);animation:floatY 4s ease-in-out infinite reverse;background:var(--surface);border:var(--bw) solid var(--stroke);border-radius:var(--r2);padding:8px;box-shadow:var(--card-shadow)}
@keyframes floatY{0%,100%{transform:translateY(0)}50%{transform:translateY(-14px)}}

/* marquee */
.marquee{background:linear-gradient(90deg,#123bd6,#2f6bff,#123bd6);color:#fff;border-top:var(--bw) solid var(--stroke);border-bottom:var(--bw) solid var(--stroke);overflow:hidden;padding:.6rem 0}
.marquee-track{display:flex;width:max-content;animation:scroll 22s linear infinite;font-family:var(--font-hand);font-weight:700;letter-spacing:.01em;font-size:1.15rem}
@keyframes scroll{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* generic section */
section{padding:clamp(3.5rem,7vw,6rem) clamp(1rem,4vw,2.5rem)}
.section-head{max-width:var(--maxw);margin:0 auto 2.8rem;text-align:center}
.section-head h2{font-size:clamp(2.2rem,5.5vw,3.2rem);margin:0 0 .5rem;letter-spacing:-.01em;background:var(--grad-head);-webkit-background-clip:text;background-clip:text;color:transparent}
/* hand-drawn squiggle under each heading */
.section-head h2::after{
  content:"";display:block;width:132px;height:13px;margin:.35rem auto 0;
  background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='132' height='13' viewBox='0 0 132 13'%3E%3Cpath d='M3 8 Q17 2 32 7 T62 7 T92 7 T129 6' fill='none' stroke='%232f6bff' stroke-width='3.2' stroke-linecap='round'/%3E%3C/svg%3E") no-repeat center/contain;
}
.section-head p{color:var(--text-soft);max-width:58ch;margin:0 auto;font-size:1.05rem;line-height:1.6}

/* shared hand-drawn card */
.stat,.tok-card,.step,figure,.chart-frame{
  background:var(--surface);border:var(--bw) solid var(--stroke);
  box-shadow:var(--card-shadow);
  transition:transform .2s ease, box-shadow .25s ease, border-color .25s ease;
}
.stat,.tok-card{border-radius:var(--r1)}
.step,figure{border-radius:var(--r2)}
.chart-frame{border-radius:var(--r3)}
.stat:nth-child(even),.tok-card:nth-child(even),.step:nth-child(even),figure:nth-child(even){border-radius:var(--r2)}
figure:nth-child(3n){border-radius:var(--r3)}
.stat:hover,.tok-card:hover,.step:hover,figure:hover{border-color:var(--blue-bright);box-shadow:var(--card-shadow-hover)}

/* about + stats */
.about{background:transparent}
.stats{max-width:var(--maxw);margin:0 auto;display:grid;grid-template-columns:repeat(4,1fr);gap:1.2rem}
.stat{padding:1.7rem 1rem;text-align:center}
.stat:hover{transform:translate(-3px,-4px)}
.stat-num{display:block;font-family:var(--font-hand);font-weight:700;font-size:2.4rem;line-height:1;background:var(--grad-blue);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat-label{display:block;margin-top:.45rem;font-weight:600;color:var(--text-soft);font-size:.95rem}

/* chart */
.chart-section{background:transparent;border-top:var(--bw) solid var(--stroke-soft);border-bottom:var(--bw) solid var(--stroke-soft)}
.chart-frame{position:relative;max-width:var(--maxw);margin:0 auto;overflow:hidden;background:var(--bg-2);aspect-ratio:16/9;min-height:480px}
.chart-frame iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.chart-load{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:var(--text-soft);font-weight:600}
.chart-links{text-align:center;margin-top:1.4rem}
.chart-links a{color:var(--blue-bright);font-weight:700;font-family:var(--font-hand);font-size:1.1rem}
.chart-links a:hover{color:var(--blue)}

/* tokenomics */
.tok-grid{max-width:var(--maxw);margin:0 auto;display:grid;grid-template-columns:repeat(4,1fr);gap:1.2rem}
.tok-card{padding:1.7rem}
.tok-card:hover{transform:translate(-3px,-4px)}
.tok-k{display:block;font-weight:700;color:var(--text-dim);text-transform:uppercase;letter-spacing:.06em;font-size:.78rem;font-family:var(--font-body)}
.tok-v{display:block;font-family:var(--font-hand);font-weight:700;font-size:2rem;margin:.35rem 0 .45rem;background:var(--grad-blue);-webkit-background-clip:text;background-clip:text;color:transparent}
.tok-sub{display:block;color:var(--text-soft);font-size:.92rem;line-height:1.5}

/* how to buy */
.buy{background:transparent}
.steps{max-width:var(--maxw);margin:0 auto;display:grid;grid-template-columns:repeat(4,1fr);gap:1.4rem}
.step{position:relative;padding:1.6rem 1.4rem 1.7rem;text-align:center}
.step:hover{transform:translate(-3px,-4px)}
.step-n{position:absolute;top:-18px;left:-14px;width:42px;height:42px;border-radius:50% 46% 52% 48%/48% 52% 46% 50%;background:var(--grad-blue);color:#fff;border:var(--bw) solid var(--stroke);display:grid;place-items:center;font-family:var(--font-hand);font-weight:700;font-size:1.1rem;box-shadow:var(--btn-shadow)}
.step-art{height:120px;width:auto;margin:0 auto .7rem;object-fit:contain;filter:drop-shadow(0 12px 18px rgba(0,0,0,.28))}
.step h3{margin:.2rem 0 .45rem;font-size:1.3rem;color:var(--text)}
.step p{color:var(--text-soft);font-size:.92rem;line-height:1.55;margin:0}
.buy-cta{text-align:center;margin-top:2.4rem}

/* gallery */
.gallery{background:transparent;border-top:var(--bw) solid var(--stroke-soft)}
.grid{max-width:var(--maxw);margin:0 auto;display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem}
figure{margin:0;padding:0;position:relative;overflow:hidden}
.grid figure{aspect-ratio:1/1}
figure:hover{transform:translate(-3px,-4px)}
figure img{position:absolute;inset:0;width:100%;height:100%;margin:0;object-fit:cover;object-position:center;filter:none}
/* line-art pieces (transparent bg): show the whole drawing on a soft tile */
figure.line img{object-fit:contain;padding:1.1rem;background:var(--surface-2)}
html[data-theme="light"] figure.line img{background:#e7edfb}
figcaption{position:absolute;left:0;right:0;bottom:0;margin:0;padding:1.5rem 1.1rem .8rem;
  font-family:var(--font-hand);font-weight:700;font-size:1.18rem;color:#fff;text-align:left;
  background:linear-gradient(to top,rgba(4,7,16,.85),rgba(4,7,16,.35) 58%,transparent)}
/* featured wide banner */
.gallery-feature{max-width:var(--maxw);margin:0 auto 1.4rem;aspect-ratio:16/9}
.gallery-feature figcaption{font-size:clamp(1.3rem,3vw,1.9rem);padding:2.4rem 1.5rem 1.1rem}

/* footer */
.footer{background:var(--footer-bg);color:var(--footer-text);padding:3.5rem clamp(1rem,4vw,2.5rem) 2rem;border-top:var(--bw) solid var(--stroke)}
.footer-inner{max-width:var(--maxw);margin:0 auto;display:flex;flex-wrap:wrap;gap:1.5rem;justify-content:space-between;align-items:center}
.footer-brand{display:flex;align-items:center;gap:.6rem;font-size:1.5rem;font-weight:700}
.footer-brand img{border-radius:12px 8px 12px 8px/8px 12px 8px 12px;background:#fff;padding:3px}
.footer-brand b{color:#7fa2ff}
.footer-links{display:flex;flex-wrap:wrap;gap:1.5rem;font-weight:700;font-family:var(--font-hand);font-size:1.1rem}
.footer-links a{color:var(--footer-link);transition:color .15s}
.footer-links a:hover{color:var(--footer-text)}
.disclaimer{max-width:var(--maxw);margin:2.2rem auto 0;color:var(--footer-link);opacity:.75;font-size:.82rem;line-height:1.6;text-align:center;font-family:var(--font-body)}
.copy{text-align:center;color:var(--footer-link);opacity:.75;margin:.9rem 0 0;font-size:.9rem;font-family:var(--font-hand)}

/* responsive */
@media (max-width:900px){
  .hero-inner{grid-template-columns:1fr;text-align:center}
  .tagline,.ticker-row,.cta-row{margin-left:auto;margin-right:auto}
  .ticker-row,.cta-row{justify-content:center}
  .hero-art{order:-1;min-height:auto}
  .badge{margin:0 auto}
  .stats,.tok-grid,.steps{grid-template-columns:repeat(2,1fr)}
  .grid{grid-template-columns:repeat(2,1fr)}
  .nav-links{display:none}
}
@media (max-width:520px){
  .stats,.tok-grid,.steps,.grid{grid-template-columns:1fr}
  .nav{gap:.5rem}
  .nav-cta{gap:.4rem}
  .nav-cta .btn-ghost:not(.theme-toggle){display:none}
  .nav-cta .btn-ghost.theme-toggle{width:40px;height:40px;font-size:1rem}
  .nav-cta .btn-primary{font-size:.82rem;padding:.5em .85em}
  .brand{font-size:1.12rem;gap:.4rem}
  .brand img{width:34px;height:34px}
  .contract code{font-size:.7rem}
  .chart-frame{aspect-ratio:auto;min-height:560px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;scroll-behavior:auto}
}