:root{
  --bg:#0f0a1e;
  --bg-2:#1a1333;
  --surface:rgba(35, 24, 64, 0.55);
  --surface-2:rgba(48, 33, 82, 0.5);
  --border:rgba(255,255,255,0.09);
  --text:#f3efff;
  --muted:#b4a8d4;
  --primary:#ff6b9d;
  --primary-2:#ec4899;
  --accent:#a3e635;
  --accent-2:#84cc16;
  --indigo:#6366f1;
  --indigo-2:#818cf8;
  --sunset:#fb923c;
  --sunset-2:#fbbf24;
  --grad:linear-gradient(135deg,#ff6b9d 0%,#fb923c 40%,#a3e635 100%);
  --grad-cool:linear-gradient(135deg,#6366f1 0%,#ec4899 50%,#fb923c 100%);
  --grad-dark:radial-gradient(ellipse at top, #1a1333 0%, #0f0a1e 45%, #070512 100%);
  --glow:0 0 40px rgba(255,107,157,.4), 0 0 80px rgba(99,102,241,.25);
  --glow-lime:0 0 30px rgba(163,230,53,.45);
  --radius:18px;
  --radius-lg:28px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --font:'Space Grotesk', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  --mono:'JetBrains Mono', ui-monospace, Menlo, monospace;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  background:var(--grad-dark);
  background-attachment:fixed;
  color:var(--text);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  min-height:100vh;
}
img,svg{max-width:100%;display:block}
a{color:var(--primary);text-decoration:none;transition:color .25s var(--ease)}
a:hover{color:var(--accent)}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px}

/* Background Canvas */
#bgCanvas{
  position:fixed;inset:0;width:100%;height:100%;
  z-index:-2;opacity:.5;pointer-events:none;
}
.floating-shapes{position:fixed;inset:0;z-index:-1;pointer-events:none;overflow:hidden}
.shape{position:absolute;border-radius:50%;filter:blur(70px);opacity:.22;animation:float 20s ease-in-out infinite}
.s1{width:400px;height:400px;background:var(--primary);top:-80px;left:-80px}
.s2{width:320px;height:320px;background:var(--accent);top:30%;right:-100px;animation-delay:-5s}
.s3{width:280px;height:280px;background:var(--indigo);bottom:-60px;left:40%;animation-delay:-10s}
.s4{width:240px;height:240px;background:var(--sunset);top:60%;left:-80px;animation-delay:-15s}
.s5{width:360px;height:360px;background:var(--primary-2);top:110%;right:30%;animation-delay:-8s}
.s6{width:300px;height:300px;background:var(--accent-2);top:80%;left:20%;animation-delay:-3s}
@keyframes float{
  0%,100%{transform:translate(0,0) scale(1)}
  50%{transform:translate(50px,-70px) scale(1.12)}
}

/* Header */
.site-header{
  position:sticky;top:0;z-index:50;
  backdrop-filter:blur(18px) saturate(1.5);
  -webkit-backdrop-filter:blur(18px) saturate(1.5);
  background:rgba(15,10,30,0.6);
  border-bottom:1px solid var(--border);
}
.nav-wrap{
  max-width:1280px;margin:0 auto;padding:16px 28px;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
}
.brand{display:flex;align-items:center;gap:12px;color:var(--text);font-weight:700}
.brand-mark{
  width:38px;height:38px;border-radius:10px;
  background:linear-gradient(135deg,#1a1333,#0f0a1e);
  display:grid;grid-template-columns:1fr 1fr;grid-template-rows:1fr 1fr;
  gap:2px;padding:4px;
  border:1px solid rgba(255,107,157,.3);
  box-shadow:var(--glow);
  transform:rotate(-6deg);
  transition:transform .4s var(--ease);
}
.brand:hover .brand-mark{transform:rotate(0deg) scale(1.05)}
.brand-tile{border-radius:3px;animation:tilePulse 2.5s ease-in-out infinite}
.brand-tile.t1{background:var(--primary)}
.brand-tile.t2{background:var(--sunset);animation-delay:.5s}
.brand-tile.t3{background:var(--accent);animation-delay:1s}
.brand-tile.t4{background:var(--indigo);animation-delay:1.5s}
@keyframes tilePulse{50%{opacity:.7;transform:scale(.92)}}
.brand-name{font-size:1.15rem;letter-spacing:.5px}
.brand-name span{color:var(--accent);font-weight:500;margin-left:4px}

.nav-list{list-style:none;display:flex;gap:6px;margin:0;padding:0;align-items:center}
.nav-list a{
  color:var(--muted);padding:10px 14px;border-radius:10px;font-size:.95rem;
  transition:all .25s var(--ease);
}
.nav-list a:hover{color:var(--text);background:var(--surface)}
.nav-cta{
  background:var(--grad)!important;
  color:#1a0818!important;
  font-weight:700!important;
  padding:10px 18px!important;
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:var(--glow)}

.menu-toggle{display:none;background:none;border:0;color:var(--text);cursor:pointer;padding:10px}
.menu-toggle span{display:block;width:22px;height:2px;background:var(--text);margin:5px 0;transition:.3s}

/* HERO */
.hero{
  position:relative;
  min-height:100vh;
  display:flex;align-items:center;justify-content:center;
  padding:90px 24px 70px;
  overflow:hidden;
  perspective:1400px;
}
.hero-stage{
  position:relative;width:100%;max-width:1280px;
  display:grid;grid-template-columns:1fr;gap:40px;
  align-items:center;
  transform-style:preserve-3d;
}

.hero-grid-bg{
  position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(255,107,157,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99,102,241,.06) 1px, transparent 1px);
  background-size:50px 50px;
  mask-image:radial-gradient(ellipse at center, rgba(0,0,0,.85) 0%, transparent 70%);
  -webkit-mask-image:radial-gradient(ellipse at center, rgba(0,0,0,.85) 0%, transparent 70%);
  transform:perspective(900px) rotateX(60deg) translateY(30%);
  transform-origin:center bottom;
  animation:gridDrift 25s linear infinite;
}
@keyframes gridDrift{to{background-position:50px 50px}}

.hero-rings{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);pointer-events:none}
.ring{
  position:absolute;left:50%;top:50%;
  border-radius:50%;
  border:1.5px solid transparent;
  transform:translate(-50%,-50%);
}
.ring-1{width:640px;height:640px;border:1.5px dashed rgba(255,107,157,.25);animation:spin 32s linear infinite}
.ring-2{width:500px;height:500px;border:1.5px dashed rgba(163,230,53,.3);animation:spin 24s linear infinite reverse}
.ring-3{width:360px;height:360px;border:1.5px dashed rgba(99,102,241,.3);animation:spin 18s linear infinite}
.ring::before{
  content:'';position:absolute;top:-5px;left:50%;
  width:10px;height:10px;border-radius:50%;
  background:var(--primary);box-shadow:0 0 20px var(--primary);
}
.ring-2::before{background:var(--accent);box-shadow:0 0 20px var(--accent)}
.ring-3::before{background:var(--indigo);box-shadow:0 0 20px var(--indigo)}
@keyframes spin{to{transform:translate(-50%,-50%) rotate(360deg)}}

/* Hero Isometric Floor Scene */
.hero-floor{
  position:relative;
  width:min(680px,100%);
  height:420px;
  margin:0 auto;
  transform-style:preserve-3d;
  transform:rotateY(-12deg) rotateX(10deg);
  animation:floorFloat 8s ease-in-out infinite;
}
@keyframes floorFloat{
  0%,100%{transform:rotateY(-12deg) rotateX(10deg) translateY(0)}
  50%{transform:rotateY(-8deg) rotateX(8deg) translateY(-12px)}
}
.floor-glow{
  position:absolute;inset:-40px;border-radius:30px;
  background:radial-gradient(ellipse at center,rgba(255,107,157,.2),transparent 65%);
  animation:pulse 5s ease-in-out infinite;
}
@keyframes pulse{50%{opacity:.6}}

.floor-stage{
  position:absolute;inset:0;
  transform-style:preserve-3d;
  transform:rotateX(55deg) rotateZ(-30deg);
  transform-origin:center center;
}

.floor-room{
  position:relative;width:100%;height:100%;
  transform-style:preserve-3d;
}

.wall{position:absolute;background:linear-gradient(180deg,rgba(99,102,241,.15),rgba(99,102,241,.05));border:1px solid rgba(99,102,241,.2)}
.wall-back{top:0;left:0;right:0;height:60px;transform:rotateX(-90deg) translateZ(0);transform-origin:top}
.wall-side{top:0;right:0;bottom:0;width:60px;transform:rotateY(90deg) translateZ(0);transform-origin:right}

.cabinet-block{
  position:absolute;top:0;left:0;right:40%;height:35%;
  display:grid;grid-template-columns:repeat(3,1fr);gap:4px;
  transform-style:preserve-3d;
}
.cab-unit{
  background:linear-gradient(135deg,rgba(35,24,64,.9),rgba(20,14,42,.9));
  border:1px solid rgba(255,107,157,.3);
  border-radius:3px;
  position:relative;
  box-shadow:0 0 20px rgba(255,107,157,.15);
  transform:translateZ(30px);
}
.cab-unit::after{
  content:'';position:absolute;top:45%;right:6px;
  width:3px;height:14px;background:var(--accent);border-radius:2px;
  box-shadow:0 0 6px var(--accent);
}
.cab-counter{
  position:absolute;bottom:-2px;left:-2px;right:-2px;height:8px;
  background:linear-gradient(180deg,#fbbf24,#f59e0b);
  border-radius:3px 3px 0 0;
  box-shadow:0 4px 15px rgba(251,191,36,.4);
  transform:translateZ(32px);
}

.floor-tiles{
  position:absolute;
  top:42%;left:5%;right:5%;bottom:5%;
  display:grid;
  grid-template-columns:repeat(5,1fr);
  grid-template-rows:repeat(4,1fr);
  gap:3px;
}
.tile{
  background:linear-gradient(135deg,#fb923c,#ff6b9d);
  border-radius:2px;
  box-shadow:inset 0 0 8px rgba(255,255,255,.1), 0 0 10px rgba(255,107,157,.3);
  opacity:0;
  animation:tileAppear 8s ease-out infinite;
  animation-delay:calc(var(--i) * 0.15s);
  position:relative;
}
.tile:nth-child(2n){background:linear-gradient(135deg,#a3e635,#6366f1)}
.tile:nth-child(3n){background:linear-gradient(135deg,#ff6b9d,#fbbf24)}
.tile::before{
  content:'';position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(255,255,255,.2),transparent 50%);
  border-radius:2px;
}
@keyframes tileAppear{
  0%,8%{opacity:0;transform:scale(0) translateZ(40px)}
  15%,85%{opacity:1;transform:scale(1) translateZ(0)}
  95%,100%{opacity:.8;transform:scale(.98)}
}

.tool{position:absolute;transform-style:preserve-3d}
.trowel{
  top:70%;left:15%;
  width:50px;height:12px;
  background:linear-gradient(90deg,#64748b,#94a3b8);
  border-radius:2px;
  transform:translateZ(15px) rotate(-25deg);
  animation:toolBob 3s ease-in-out infinite;
  box-shadow:0 4px 12px rgba(0,0,0,.3);
}
.trowel::after{
  content:'';position:absolute;left:-8px;top:-2px;
  width:14px;height:16px;background:#475569;border-radius:3px 3px 0 0;
}
@keyframes toolBob{50%{transform:translateZ(20px) rotate(-20deg) translateY(-3px)}}

.spacer{
  width:10px;height:10px;
  background:var(--accent);
  border-radius:2px;
  box-shadow:0 0 10px var(--accent);
  animation:spacerGlow 2s ease-in-out infinite;
}
.spacer.s1{top:50%;left:70%;transform:translateZ(12px);animation-delay:.3s}
.spacer.s2{top:65%;right:20%;transform:translateZ(12px);animation-delay:.8s}
.spacer.s3{top:80%;left:30%;transform:translateZ(12px);animation-delay:1.3s}
@keyframes spacerGlow{50%{opacity:.6;transform:translateZ(16px) scale(1.2)}}

.orb{
  position:absolute;border-radius:50%;
  filter:blur(8px);
  animation:orbFloat 6s ease-in-out infinite;
}
.orb-a{width:40px;height:40px;background:var(--primary);top:15%;right:8%;box-shadow:0 0 40px var(--primary)}
.orb-b{width:30px;height:30px;background:var(--accent);bottom:20%;left:10%;box-shadow:0 0 40px var(--accent);animation-delay:2s}
.orb-c{width:35px;height:35px;background:var(--indigo);top:45%;right:20%;box-shadow:0 0 40px var(--indigo);animation-delay:4s}
@keyframes orbFloat{
  0%,100%{transform:translate(0,0)}
  50%{transform:translate(-15px,20px)}
}

.hero-copy{text-align:center;position:relative;z-index:2}
.eyebrow{
  display:inline-block;
  font-family:var(--mono);
  font-size:.82rem;
  color:var(--accent);
  background:rgba(163,230,53,.1);
  border:1px solid rgba(163,230,53,.3);
  padding:6px 14px;border-radius:100px;
  margin-bottom:20px;
  letter-spacing:1px;
  text-transform:uppercase;
}
.hero h1{
  font-size:clamp(2.2rem,5.5vw,4.4rem);
  line-height:1.05;
  margin:0 0 20px;
  letter-spacing:-1.5px;
  font-weight:800;
  background:var(--grad);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;
  filter:drop-shadow(0 0 30px rgba(255,107,157,.3));
}
.lede{
  font-size:clamp(1rem,1.6vw,1.25rem);
  color:var(--muted);
  max-width:700px;
  margin:0 auto 30px;
}
.hero-cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-bottom:30px}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 28px;border-radius:12px;
  font-weight:600;font-size:1rem;
  cursor:pointer;border:0;
  transition:all .3s var(--ease);
}
.btn-primary{
  background:var(--grad);
  color:#1a0818;
  box-shadow:var(--glow);
}
.btn-primary:hover{transform:translateY(-3px);color:#1a0818;box-shadow:0 0 60px rgba(255,107,157,.5)}
.btn-ghost{
  background:var(--surface);
  color:var(--text);
  border:1px solid var(--border);
  backdrop-filter:blur(10px);
}
.btn-ghost:hover{background:var(--surface-2);border-color:var(--accent)}

.hero-meta{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}
.chip{
  background:var(--surface);
  border:1px solid var(--border);
  backdrop-filter:blur(10px);
  padding:8px 14px;border-radius:100px;
  font-size:.85rem;color:var(--muted);
}

/* Layout */
main{position:relative;z-index:1}
.layout{
  max-width:1280px;margin:0 auto;padding:60px 28px;
  display:grid;
  grid-template-columns:280px 1fr;
  gap:60px;
}

/* TOC */
.toc{
  position:sticky;top:100px;
  align-self:start;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:20px;
  backdrop-filter:blur(14px);
  max-height:calc(100vh - 140px);
  overflow-y:auto;
}
.toc-header{
  display:flex;justify-content:space-between;align-items:center;
  margin-bottom:14px;
  font-family:var(--mono);font-size:.85rem;text-transform:uppercase;letter-spacing:1.5px;color:var(--accent);
}
.toc-toggle{display:none;background:none;border:0;color:var(--text);cursor:pointer}
.toc-list{list-style:none;padding:0;margin:0;counter-reset:toc}
.toc-list a{
  display:block;padding:8px 10px;border-radius:8px;
  color:var(--muted);font-size:.92rem;
  border-left:2px solid transparent;
  transition:all .2s var(--ease);
}
.toc-list a:hover{color:var(--text);background:rgba(255,255,255,.04);border-left-color:var(--primary)}
.toc-list a.active{color:var(--accent);background:rgba(163,230,53,.08);border-left-color:var(--accent);font-weight:600}

/* Article */
.article{max-width:820px}
.section{margin-bottom:50px}
.article h2{
  font-size:clamp(1.6rem,2.8vw,2.2rem);
  margin:0 0 20px;
  letter-spacing:-0.5px;
  background:var(--grad-cool);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;
  position:relative;padding-left:22px;
}
.article h2::before{
  content:'';position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:8px;height:34px;border-radius:4px;
  background:var(--grad);
  box-shadow:var(--glow);
}
.article h3{
  font-size:1.25rem;margin:28px 0 12px;
  color:var(--accent);
}
.article p{color:#dcd0f5;margin:0 0 16px}
.article ul,.article ol{padding-left:22px;margin:0 0 20px}
.article ul li,.article ol li{margin-bottom:10px;color:#dcd0f5}

.takeaway,.tip{
  border-radius:var(--radius);
  padding:20px 24px;margin:24px 0;
  border:1px solid;
}
.takeaway{
  background:linear-gradient(135deg,rgba(163,230,53,.1),rgba(99,102,241,.06));
  border-color:rgba(163,230,53,.3);
}
.tip{
  background:linear-gradient(135deg,rgba(251,146,60,.1),rgba(255,107,157,.06));
  border-color:rgba(251,146,60,.3);
}
.takeaway h3{margin:0 0 8px;color:var(--accent)}
.tip h3{margin:0 0 8px;color:var(--sunset)}
.takeaway p,.tip p{margin:0;color:var(--text)}

.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:16px;margin-top:20px}
.card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:22px;
  backdrop-filter:blur(12px);
  transition:all .3s var(--ease);
  position:relative;overflow:hidden;
}
.card::after{
  content:'';position:absolute;top:0;left:0;right:0;height:3px;
  background:var(--grad);
  transform:scaleX(0);transform-origin:left;
  transition:transform .4s var(--ease);
}
.card:hover{transform:translateY(-6px);border-color:var(--primary);box-shadow:var(--glow)}
.card:hover::after{transform:scaleX(1)}
.card h3{margin:0 0 8px;color:var(--primary);font-size:1.1rem}
.card p{margin:0;color:var(--muted);font-size:.95rem}

details{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:12px;
  padding:14px 18px;
  margin-bottom:10px;
  transition:all .3s var(--ease);
}
details[open]{border-color:var(--primary);background:var(--surface-2)}
summary{cursor:pointer;font-weight:600;color:var(--text);list-style:none;display:flex;justify-content:space-between;align-items:center}
summary::-webkit-details-marker{display:none}
summary::after{content:'+';font-size:1.5rem;color:var(--primary);transition:transform .3s}
details[open] summary::after{content:'−'}
details p{margin-top:12px;color:var(--muted)}

/* Process Animation */
.process-anim{
  max-width:1280px;
  margin:60px auto;
  padding:40px 28px;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  backdrop-filter:blur(12px);
}
.pa-title{
  font-size:clamp(1.4rem,2.5vw,2rem);
  text-align:center;
  margin:0 0 30px;
  background:var(--grad);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;
}
.pa-stage{position:relative}
.pa-track{
  display:grid;
  grid-template-columns:repeat(5,1fr);
  gap:10px;
  margin-bottom:20px;
}
.pa-step{
  text-align:center;padding:18px 8px;border-radius:14px;
  background:rgba(255,255,255,.03);
  border:1px solid var(--border);
  opacity:.4;
  transition:all .5s var(--ease);
  transform:translateY(10px);
}
.pa-step.active{
  opacity:1;transform:translateY(0);
  background:linear-gradient(180deg,rgba(255,107,157,.15),rgba(99,102,241,.08));
  border-color:var(--primary);
  box-shadow:0 0 30px rgba(255,107,157,.3);
}
.pa-step.done{opacity:.8;border-color:rgba(163,230,53,.5)}
.pa-step.done .pa-icon{filter:grayscale(.5) brightness(1.2)}
.pa-icon{font-size:2rem;margin-bottom:6px}
.pa-label{font-weight:700;color:var(--text);font-size:.95rem}
.pa-desc{font-size:.78rem;color:var(--muted);margin-top:4px}
.pa-bar{height:6px;border-radius:6px;background:rgba(255,255,255,.06);overflow:hidden;margin-bottom:10px}
.pa-fill{height:100%;width:0;background:var(--grad);border-radius:6px;transition:width .6s var(--ease);box-shadow:0 0 12px var(--primary)}
.pa-caption{text-align:center;font-family:var(--mono);font-size:.82rem;color:var(--muted);letter-spacing:1px}

/* CTA */
.cta-section{padding:60px 28px;position:relative}
.cta-card{
  max-width:980px;margin:0 auto;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:50px 40px;
  backdrop-filter:blur(18px);
  text-align:center;
  position:relative;overflow:hidden;
}
.cta-glow{
  position:absolute;inset:0;
  background:radial-gradient(ellipse at top,rgba(255,107,157,.15),transparent 60%),
             radial-gradient(ellipse at bottom right,rgba(163,230,53,.12),transparent 60%),
             radial-gradient(ellipse at bottom left,rgba(99,102,241,.12),transparent 60%);
  pointer-events:none;
}
.cta-card h2{
  font-size:clamp(1.6rem,3vw,2.4rem);
  margin:0 0 12px;
  background:var(--grad);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;
  position:relative;
}
.cta-card>p{color:var(--muted);max-width:640px;margin:0 auto 30px;position:relative}
.cta-grid{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px;
  margin-bottom:30px;position:relative;
}
.cta-item{
  display:flex;align-items:center;gap:14px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--border);
  border-radius:14px;
  padding:16px;text-align:left;
  transition:all .3s var(--ease);
  color:var(--text);
}
.cta-item:hover{border-color:var(--primary);transform:translateY(-3px);box-shadow:var(--glow);color:var(--text)}
.cta-item svg{width:32px;height:32px;color:var(--primary);flex-shrink:0}
.cta-item small{display:block;color:var(--muted);font-size:.75rem;text-transform:uppercase;letter-spacing:1px}
.cta-item strong{font-size:.95rem;word-break:break-word}

.social-row{display:flex;gap:12px;justify-content:center;position:relative}
.social-row a{
  width:46px;height:46px;border-radius:50%;
  display:grid;place-items:center;
  background:var(--surface);
  border:1px solid var(--border);
  color:var(--text);
  transition:all .3s var(--ease);
}
.social-row a:hover{
  background:var(--grad);
  color:#1a0818;
  transform:translateY(-3px) scale(1.08);
  box-shadow:var(--glow);
}
.social-row svg{width:20px;height:20px}

/* Footer */
.site-footer{
  border-top:1px solid var(--border);
  background:rgba(15,10,30,.7);
  padding:50px 28px 20px;
  backdrop-filter:blur(12px);
  margin-top:60px;
}
.footer-grid{
  max-width:1280px;margin:0 auto;
  display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px;
}
.footer-grid p,.foot-list li{color:var(--muted);font-size:.9rem;margin:6px 0}
.foot-list{list-style:none;padding:0;margin:0}
.foot-list a{color:var(--muted)}
.foot-list a:hover{color:var(--primary)}
.footer-bottom{
  max-width:1280px;margin:40px auto 0;padding-top:20px;
  border-top:1px solid var(--border);text-align:center;
}
.footer-bottom small{color:var(--muted)}

/* Responsive */
@media (max-width:960px){
  .layout{grid-template-columns:1fr;gap:40px;padding:40px 20px}
  .toc{position:relative;top:0;max-height:none;margin-bottom:20px}
  .toc-list{display:none}
  .toc-list.open{display:block}
  .toc-toggle{display:block}
  .hero-floor{height:320px}
  .ring-1{width:480px;height:480px}
  .ring-2{width:380px;height:380px}
  .ring-3{width:280px;height:280px}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .nav-list{
    position:absolute;top:100%;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:0;
    background:rgba(15,10,30,.95);backdrop-filter:blur(20px);
    padding:10px 20px 20px;border-bottom:1px solid var(--border);
    display:none;
  }
  .nav-list.open{display:flex}
  .nav-list a{padding:14px}
  .menu-toggle{display:block}
  .menu-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .menu-toggle.active span:nth-child(2){opacity:0}
  .menu-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
}
@media (max-width:600px){
  .pa-track{grid-template-columns:1fr;gap:8px}
  .hero{min-height:auto;padding-top:60px}
  .cta-card{padding:34px 22px}
  .cta-grid{grid-template-columns:1fr}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
}