:root{
  --bg:#F6F5F1; --bg-card:#FFFFFF; --text:#141413; --muted:rgba(20,20,19,0.45);
  --border:rgba(20,20,19,0.1); --purple:#5340FF; --lav:#EEEAFF;
  --serif:"Fraunces", Georgia, serif; --mono:"IBM Plex Mono", monospace; --sans:"Inter", system-ui, sans-serif;
  --max:1440px;
}
*{box-sizing:border-box} html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--sans);-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block} a{color:inherit;text-decoration:none}
.mono{font-family:var(--mono);font-size:14px;letter-spacing:0.08em;text-transform:uppercase}
.small{font-size:11px} .muted{color:var(--muted)} .muted-light{color:rgba(255,255,255,0.55)}
.fraunces{font-family:var(--serif)} .big{font-size:28px}
.progress-track{position:fixed;left:0;top:0;width:2px;height:100vh;background:var(--lav);z-index:60;display:none}
@media(min-width:1000px){.progress-track{display:block}}
.progress-bar{width:100%;height:100%;background:var(--text);transform-origin:top;transform:scaleY(0)}
.top-nav{position:sticky;top:0;z-index:50;background:var(--bg);border-bottom:1px solid var(--border);height:52px;display:flex;align-items:center}
.nav-inner{max-width:var(--max);width:100%;margin:0 auto;padding:0 20px;display:flex;justify-content:space-between;align-items:center}
@media(min-width:1000px){.nav-inner{padding:0 28px}}
.logo{font-family:var(--mono);font-size:11px;letter-spacing:0.08em}
.nav-links{display:flex;gap:20px}
.nav-links a{font-family:var(--mono);font-size:11px;letter-spacing:0.06em;opacity:0.6}
.nav-links a:hover{opacity:1}
.layout{max-width:var(--max);margin:0 auto;display:grid;grid-template-columns:1fr}
@media(min-width:1000px){.layout{grid-template-columns:170px 1fr}}
.toc{border-right:1px solid var(--border);background:var(--bg)}
.toc-inner{position:sticky;top:72px;padding:20px 16px}
.home-btn{display:inline-block;font-family:var(--mono);font-size:10px;padding:4px 8px;background:rgba(0,0,0,0.06);border-radius:4px;margin-bottom:20px}
.toc-label{font-family:var(--mono);font-size:11px;letter-spacing:0.12em;opacity:0.35;margin-bottom:14px;text-transform:uppercase}
.toc ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:8px}
.toc a{font-family:var(--mono);font-size:11px;letter-spacing:0.04em;text-transform:uppercase;opacity:0.35;display:flex;gap:8px;align-items:center;transition:all 0.2s;line-height:1.4}
.toc a.active{opacity:1;color:var(--text);font-weight:500}
.toc a .dash{opacity:0;transition:opacity 0.2s}
.toc a.active .dash{opacity:1}
.toc a:hover{opacity:0.7}
.main{min-width:0}
.banner-drop{position:relative;width:100%;aspect-ratio:16/9;max-height:680px;background:var(--purple);overflow:hidden;display:grid;place-items:center;cursor:pointer;border-bottom:1px solid var(--border)}
.banner-drop img{width:100%;height:100%;object-fit:cover}
.banner-hint{position:absolute;bottom:12px;right:12px;background:rgba(0,0,0,0.6);color:#fff;font-family:var(--mono);font-size:9px;padding:6px 10px;border-radius:999px;letter-spacing:0.06em;backdrop-filter:blur(8px)}
.title-block{padding:48px 20px 32px;border-bottom:1px solid var(--border)}
@media(min-width:1000px){.title-block{padding:56px 40px 40px}}
.title{font-family:var(--serif);font-size:32px;line-height:1.05;letter-spacing:-0.02em;font-weight:600;margin:0;max-width:720px}
@media(min-width:1000px){.title{font-size:44px}}
.meta-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:40px;max-width:900px}
@media(min-width:800px){.meta-grid{grid-template-columns:repeat(4,1fr)}}
.meta-kicker{font-family:var(--mono);font-size:10px;letter-spacing:0.12em;color:var(--purple);margin-bottom:8px}
.meta-val{font-size:13px;line-height:1.5;opacity:0.7}
.section{padding:48px 20px;border-bottom:1px solid var(--border)}
@media(min-width:1000px){.section{padding:64px 40px}}
.section-kicker{font-family:var(--mono);font-size:24
px;letter-spacing:0.12em;color:var(--purple);margin-bottom:16px;text-transform:uppercase}
.section h2{font-family:var(--serif);font-size:28px;line-height:1.1;letter-spacing:-0.02em;font-weight:600;margin-bottom:20px;max-width:640px}
@media(min-width:1000px){.section h2{font-size:38px}}
.section h3{font-family:var(--serif);font-size:22px;font-weight:400;margin:16px 0 0}
.section p{font-size:15px;line-height:1.7;opacity:0.8;max-width:640px;margin-top:16px}
.callout{margin-top:20px;padding:16px 20px;background:#fff;border:1px solid var(--border);border-radius:12px;font-size:20px;line-height:1.6;max-width:640px}
.fig{margin-top:24px;border-radius:12px;overflow:hidden;background:#fff;border:1px solid var(--border);max-width:100%}
.fig img{width:100%;height:auto;cursor:zoom-in}
.fig figcaption{padding:10px 14px;font-family:var(--mono);font-size:14px;opacity:0.7;line-height:1.5;background:var(--bg)}
.two-up{display:grid;gap:16px;margin-top:20px;max-width:900px}
@media(min-width:800px){.two-up{grid-template-columns:1.2fr 0.8fr}}
.stat-box{background:var(--text);color:#fff;border-radius:16px;padding:24px}
.stat-box .big{font-family:var(--serif);font-size:56px;line-height:0.9}
.stat-box p{color:rgba(255,255,255,0.7);font-size:13px;margin-top:12px;opacity:1}
.cite{font-family:var(--mono);font-size:10px;color:var(--lav);text-decoration:underline}
.pill-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px;max-width:700px}
.pill-row span{font-size:24px;padding:12px 18px;border-radius:999px;background:#fff;border:1px solid var(--border)}
.bento{display:grid;grid-template-columns:1fr;gap:10px;margin-top:24px;max-width:900px}
@media(min-width:700px){.bento{grid-template-columns:repeat(3,1fr)}}
.bento-item{background:#fff;border:1px solid var(--border);border-radius:12px;padding:18px}
.bento-item.dark{background:var(--text);color:#fff}
.num{font-family:var(--mono);font-size:10px;opacity:0.4}
.bento-item h4{margin:10px 0 6px;font-size:16px}
.bento-item p{font-size:14px;margin:0;line-height:1.5;opacity:0.7}
.dark-section{background:var(--text);color:#fff;border-radius:0}
.dark-section .section-kicker.light{color:var(--lav)}
.dark-section h2.light{color:#fff}
.insight-row{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:rgba(255,255,255,0.1);border-radius:16px;overflow:hidden;margin-top:24px;max-width:700px;border:1px solid rgba(255,255,255,0.1)}
.insight{background:rgba(255,255,255,0.04);padding:20px}
.insight-big{font-family:var(--serif);font-size:20px;margin-top:8px}
.quote{font-family:var(--serif);font-style:italic;font-size:24px;line-height:1.2;margin-top:28px;max-width:520px}
.steps{display:flex;gap:12px;margin-top:20px;max-width:900px}
.steps div{flex:1;border-top:2px solid var(--text);padding-top:8px;font-family:var(--mono);font-size:16px}
.steps span{font-weight:600;opacity:0.4;margin-right:6px}
.scenario-box{background:#fff;border:1px solid var(--border);border-radius:16px;padding:24px;max-width:900px;margin-top:20px}
.scenario-head .big{margin-top:8px}
.carousel-wrap{margin-top:28px;width:100%}
.carousel-frame{position:relative;background:#fff;border:1px solid var(--border);border-radius:12px;overflow:hidden;aspect-ratio:16/10;display:grid;place-items:center;padding:12px}
.carousel-track{position:relative;width:100%;height:100%}
.carousel-slide{position:absolute;inset:0;display:none;place-items:center;background:#fff}
.carousel-slide.active{display:grid}
.carousel-slide img{max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain;border-radius:8px;border:1px solid rgba(0,0,0,0.06)}
.car-btn{position:absolute;top:50%;transform:translateY(-50%);width:32px;height:32px;border-radius:999px;background:#fff;border:1px solid var(--border);cursor:pointer;display:grid;place-items:center;font-size:14px;z-index:2}
.car-btn.prev{left:12px} .car-btn.next{right:12px}
.carousel-caption{margin-top:14px;font-family:var(--mono);font-size:11px;line-height:1.6;opacity:0.6;max-width:700px;transition:opacity 0.3s}
.carousel-dots{display:flex;gap:6px;margin-top:12px}
.dot{width:24px;height:3px;border-radius:999px;background:var(--border);cursor:pointer;transition:all 0.2s}
.dot.active{background:var(--text)}
.final-grid{display:grid;gap:10px;margin-top:20px;max-width:900px}
@media(min-width:700px){.final-grid{grid-template-columns:repeat(3,1fr)}}
.f-card{background:#fff;border:1px solid var(--border);border-radius:12px;padding:18px}
.f-card h4{margin:10px 0 6px;font-size:14px} .f-card p{font-size:12.5px;margin:0;opacity:0.6;line-height:1.5}
.outcome-grid{display:grid;gap:20px;margin-top:24px;max-width:900px}
@media(min-width:700px){.outcome-grid{grid-template-columns:1fr 1fr}}
.outcome-grid strong{font-size:13px} .outcome-grid p{font-size:12.5px;margin:4px 0 0;opacity:0.6;line-height:1.5}
.next-box{margin-top:32px;background:var(--text);color:#fff;border-radius:16px;padding:24px;max-width:900px}
.footer{padding:32px 20px 120px;border-top:1px solid var(--border)}
@media(min-width:1000px){.footer{padding:32px 40px 60px}}
.mobile-toc{position:fixed;bottom:0;left:0;right:0;background:rgba(246,245,241,0.95);backdrop-filter:blur(20px);border-top:1px solid var(--border);padding:10px;display:flex;gap:8px;overflow-x:auto;z-index:40}
@media(min-width:1000px){.mobile-toc{display:none}}
.m-dot{flex-shrink:0;width:28px;height:28px;border-radius:999px;border:1px solid var(--border);background:#fff;display:grid;place-items:center;font-family:var(--mono);font-size:10px;opacity:0.5}
.m-dot.active{opacity:1;background:var(--text);color:#fff}
.lightbox{position:fixed;inset:0;z-index:100;background:rgba(20,20,19,0.9);display:none;place-items:center;padding:20px}
.lightbox.open{display:grid}
.lightbox img{max-width:100%;max-height:100%;border-radius:12px;background:#fff}
.lb-close{position:absolute;top:20px;right:20px;width:36px;height:36px;border-radius:999px;background:#fff;border:0;cursor:pointer}
.reveal{opacity:0;transform:translateY(20px);transition:all 0.7s cubic-bezier(0.16,1,0.3,1)}
.reveal.is-visible{opacity:1;transform:translateY(0)}


/* --- Footer Container Layout --- */
.pixel-footer {
  background-color: #0d0e15; /* Dark cyber background */
  color: #a9b1d6;
  font-family: 'Courier New', Courier, monospace; /* Retro mono vibe */
  padding: 60px 20px 20px 20px;
  border-top: 4px dashed #ff2a6d;
  position: relative;
  overflow: hidden;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 40px;
  align-items: center;
  justify-items: center;
}

/* --- Left Brand Column --- */
.footer-brand {
  justify-self: start;
}

.pixel-logo {
  font-size: 24px;
  font-weight: bold;
  color: #05d9e8;
  letter-spacing: 2px;
  margin-bottom: 10px;
}

.footer-tagline {
  font-size: 13px;
  line-height: 1.5;
  max-width: 250px;
}

/* --- Center Pixel Art & Twinkle Animation --- */
.pixel-art-container {
  text-align: center;
  position: relative;
}

.pixel-heart-wrapper {
  position: relative;
  display: inline-block;
  width: 80px;
  height: 80px;
}

/* Scalable Pixel Heart via CSS shape styling */
.pixel-heart {
  width: 100%;
  height: 100%;
  image-rendering: pixelated;
  /* Making the heart beat smoothly */
  animation: heartBeat 1.2s infinite alternate ease-in-out;
}

/* Tiny Twinkling Pixel Sparkles */
.sparkle {
  position: absolute;
  color: #05d9e8;
  font-size: 16px;
  font-weight: bold;
  opacity: 0;
}

.s1 {
  top: -10px;
  left: -10px;
  animation: twinkle 1.5s infinite ease-in-out;
}

.s2 {
  bottom: 10px;
  right: -15px;
  animation: twinkle 1.5s infinite ease-in-out 0.75s; /* Offset start time */
}

.pixel-love-text {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: #ff2a6d;
  margin-top: 15px;
}

/* --- Right Links Column --- */
.footer-links {
  justify-self: end;
}

.link-group h4 {
  font-size: 12px;
  letter-spacing: 2px;
  color: #05d9e8;
  margin-bottom: 15px;
}

.link-group ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.link-group li {
  margin-bottom: 10px;
}

.link-group a {
  color: #a9b1d6;
  text-decoration: none;
  font-size: 14px;
  transition: all 0.2s ease;
}

.link-group a:hover {
  color: #ff2a6d;
  padding-left: 5px; /* Tiny shift on hover */
}

/* --- Bottom Copyright Bar --- */
.footer-bottom {
  text-align: center;
  margin-top: 50px;
  padding-top: 20px;
  border-top: 1px solid #1a1b26;
  font-size: 11px;
  color: #565f89;
}

/* --- Pure CSS Animations --- */
@keyframes heartBeat {
  0% {
    transform: scale(0.9);
    filter: drop-shadow(0 0 2px rgba(255, 42, 109, 0.5));
  }
  100% {
    transform: scale(1.05);
    filter: drop-shadow(0 0 12px rgba(255, 42, 109, 0.9));
  }
}

@keyframes twinkle {
  0%, 100% {
    opacity: 0;
    transform: translateY(0) scale(0.5);
  }
  50% {
    opacity: 1;
    transform: translateY(-8px) scale(1.2);
  }
}

/* --- Responsive Adjustments --- */
@media (max-width: 768px) {
  .footer-container {
    grid-template-columns: 1fr;
    gap: 30px;
    text-align: center;
    justify-items: center;
  }
  .footer-brand, .footer-links {
    justify-self: center;
    text-align: center;
  }
}