*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{
  --bg:#1c1917;--bg2:#211f1c;--bg3:#292623;--surface:#2e2a26;
  --border:rgba(255,255,255,.08);--text:#e8e0d4;--text2:#a89f94;
  --text3:#6b6359;--accent:#e8915a;--green:#6aacac;--amber:#d4a857;
  --violet:#b4a7d6;--rose:#d68a7b;--blue:#7ba4c9;
  --font:'Inter',system-ui,sans-serif;--serif:'Playfair Display',Georgia,serif;
  --mono:'Space Mono',monospace;
}
html{scroll-behavior:smooth}
body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.6;overflow-x:hidden;-webkit-font-smoothing:antialiased}
body::after{content:'';position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.03;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence baseFrequency='.8' type='fractalNoise' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23n)' opacity='.5'/%3E%3C/svg%3E")}
::selection{background:var(--accent);color:var(--bg)}
a{color:var(--accent);text-decoration:none}

/* ===== WEBGL CANVAS ===== */
#gl{position:fixed;top:0;left:0;width:100%;height:100%;z-index:0;opacity:.2;pointer-events:none}

/* ===== PROGRESS ===== */
.progress{position:fixed;top:0;left:0;height:2px;background:linear-gradient(90deg,var(--accent),var(--green));z-index:9999;width:0%;transition:width .15s}

/* ===== NAV ===== */
.topnav{position:fixed;top:0;left:0;right:0;z-index:999;padding:1rem 2rem;display:flex;align-items:center;justify-content:space-between;transition:all .3s}
.topnav.scrolled{background:rgba(28,25,23,.75);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--border)}
.topnav-logo{font-weight:800;font-size:.8rem;letter-spacing:2px;text-transform:uppercase;color:var(--accent)}
.topnav-links{display:flex;gap:.2rem;list-style:none}
.topnav-links a{color:var(--text2);font-size:.78rem;font-weight:500;padding:.45rem .9rem;border-radius:8px;transition:all .2s}
.topnav-links a:hover,.topnav-links a.active{color:var(--text);background:rgba(255,255,255,.05)}

/* ===== HERO ===== */
.hero{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:2rem;position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 70% 50% at 50% 40%,rgba(232,145,90,.02),transparent 70%)}
.hero-eyebrow{font-size:.72rem;font-weight:600;letter-spacing:3px;text-transform:uppercase;color:var(--accent);margin-bottom:2rem;display:flex;align-items:center;gap:.7rem}
.hero-eyebrow::before,.hero-eyebrow::after{content:'';width:24px;height:1px;background:var(--accent);opacity:.4}
.hero h1{font-family:var(--serif);font-size:clamp(2.5rem,6vw,5rem);line-height:1.08;max-width:900px;margin-bottom:1.5rem;font-weight:700}
.hero h1 em{font-style:italic;color:var(--accent)}
.hero-sub{font-size:clamp(.95rem,1.5vw,1.15rem);color:var(--text2);max-width:580px;line-height:1.8;font-weight:300;margin-bottom:3.5rem}
.hero-team{display:flex;gap:2.5rem;flex-wrap:wrap;justify-content:center}
.team-chip{display:flex;align-items:center;gap:.65rem;padding:.5rem 1rem .5rem .5rem;background:var(--surface);border:1px solid var(--border);border-radius:100px}
.team-av{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.65rem;color:#fff}
.team-av.c1{background:linear-gradient(135deg,#c06830,#e8915a)}.team-av.c2{background:linear-gradient(135deg,#5a7ba0,#7ba4c9)}.team-av.c3{background:linear-gradient(135deg,#8a7db3,#b4a7d6)}
.team-name{font-size:.8rem;font-weight:600}.team-role{font-size:.65rem;color:var(--text3)}
.scroll-cue{position:absolute;bottom:2.5rem;display:flex;flex-direction:column;align-items:center;gap:.5rem}
.scroll-cue span{font-size:.6rem;letter-spacing:2.5px;text-transform:uppercase;color:var(--text3)}
.scroll-cue-line{width:1px;height:32px;background:linear-gradient(to bottom,var(--accent),transparent);animation:pulse-line 2s ease infinite}
@keyframes pulse-line{0%,100%{opacity:1;height:32px}50%{opacity:.3;height:18px}}

/* ===== SECTION SCAFFOLDING ===== */
.section{padding:10rem 2rem;position:relative}
.section-narrow{max-width:720px;margin:0 auto}
.section-wide{max-width:1100px;margin:0 auto}
.section-full{max-width:1400px;margin:0 auto}

/* ===== BIG STAT ===== */
.big-stat{text-align:center;padding:8rem 2rem}
.big-stat-context{font-size:.7rem;color:var(--text3);text-transform:uppercase;letter-spacing:1.5px;font-weight:600;margin-bottom:.6rem}
.big-stat-num{font-size:clamp(3rem,8vw,6rem);font-weight:900;line-height:1.15;letter-spacing:-1px;margin-bottom:1rem;background:linear-gradient(135deg,var(--accent),var(--green));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.big-stat-label{font-size:clamp(1rem,2vw,1.4rem);color:var(--text2);margin-top:1rem;font-weight:300;max-width:500px;margin-left:auto;margin-right:auto;line-height:1.6}
.big-stat-source{font-size:.7rem;color:var(--text3);margin-top:1rem;font-weight:400}

/* ===== PART HEADER ===== */
.part-label{font-size:.68rem;font-weight:700;letter-spacing:3px;text-transform:uppercase;color:var(--accent);margin-bottom:.8rem;display:flex;align-items:center;gap:.6rem}
.part-label::before{content:'';width:20px;height:1.5px;background:var(--accent)}
.part-title{font-family:var(--serif);font-size:clamp(1.8rem,4vw,3rem);line-height:1.15;margin-bottom:1rem;max-width:600px}
.part-desc{font-size:1rem;color:var(--text2);max-width:540px;line-height:1.8;margin-bottom:3rem}

/* ===== CHART WRAPPER ===== */
.chart-wrap{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:2rem;position:relative}
.chart-label{font-size:.7rem;font-weight:700;letter-spacing:2px;text-transform:uppercase;color:var(--text2);margin-bottom:1.2rem}
.chart-canvas{width:100%!important;max-height:400px}

/* ===== SPLIT ===== */
.split{display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:center}
.split.reverse{direction:rtl}.split.reverse>*{direction:ltr}

/* ===== SCROLLYTELLING PINNED ===== */
.scrolly{position:relative;display:flex;max-width:1200px;margin:0 auto}
.scrolly-visual{position:sticky;top:0;flex:1;height:100vh;display:flex;align-items:center;justify-content:center;padding:2rem}
.scrolly-visual .chart-wrap{width:100%}
.scrolly-steps{flex:1;position:relative;z-index:2;padding:0 2rem}
.scrolly-step{min-height:90vh;display:flex;align-items:center;padding:2rem 0;opacity:1}
.scrolly-step.is-active{opacity:1}
.scrolly-step-inner{max-width:380px;padding:2rem;background:rgba(28,25,23,.88);backdrop-filter:blur(16px);border:1px solid var(--border);border-radius:16px;box-shadow:0 20px 60px rgba(0,0,0,.4)}
.scrolly-step-inner h3{font-family:var(--serif);font-size:1.4rem;margin-bottom:.6rem;line-height:1.3}
.scrolly-step-inner p{font-size:.88rem;color:var(--text2);line-height:1.7}
.scrolly-step-inner .step-stat{font-size:2.2rem;font-weight:800;background:linear-gradient(135deg,var(--accent),var(--green));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:.3rem;line-height:1.2}
.scrolly-step-inner .step-source{font-size:.65rem;color:var(--text3);margin-top:.5rem;display:block}
.scrolly-step-inner .step-tag{display:inline-block;font-size:.6rem;font-weight:700;padding:.2rem .5rem;border-radius:4px;background:var(--accent);color:var(--bg);letter-spacing:1px;text-transform:uppercase;margin-bottom:.6rem}

/* ===== SCROLLY CUSTOM BARS ===== */
.sbar-wrap{width:100%;position:relative;overflow:hidden}
.sbar-wrap::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at 50% 80%,rgba(232,145,90,.04),transparent 70%);pointer-events:none;transition:background 1s ease}
.sbar-header{margin-bottom:.4rem}
.sbar-subtitle{font-size:.78rem;color:var(--text2);margin-top:.3rem;transition:all .5s ease;min-height:1.2em}
.sbar-step-indicator{display:flex;gap:6px;margin:.8rem 0}
.sbar-dot{width:6px;height:6px;border-radius:50%;background:rgba(255,255,255,.12);transition:all .4s ease}
.sbar-dot--active{background:var(--accent);box-shadow:0 0 8px rgba(232,145,90,.4);transform:scale(1.3)}
.scrolly-bars{display:flex;gap:1.5rem;justify-content:center;padding:1rem 1rem .5rem}
.sbar-group{display:flex;flex-direction:column;align-items:center}
.sbar-arrow{font-size:.65rem;font-weight:700;height:1.2em;margin-bottom:.2rem;transition:all .4s ease;opacity:0}
.sbar-arrow.down{color:var(--accent);opacity:1}
.sbar-arrow.up{color:var(--green);opacity:1}
.sbar-val{font-size:.75rem;font-weight:700;color:var(--text);margin-bottom:.4rem;font-family:var(--mono);transition:color .4s ease}
.sbar-val.lit{color:var(--accent)}
.sbar-track{width:56px;height:260px;background:rgba(255,255,255,.06);border-radius:10px;position:relative;display:flex;align-items:flex-end;overflow:hidden}
.sbar-fill{width:100%;border-radius:10px;transition:height .8s cubic-bezier(.4,0,.2,1),background .6s ease,box-shadow .6s ease}
.sbar-fill.glow{box-shadow:0 0 20px rgba(232,145,90,.3)}
.sbar-label{font-size:.72rem;font-weight:600;color:var(--text2);margin-top:.6rem;text-align:center;white-space:nowrap;transition:color .4s ease}
.sbar-label.lit{color:var(--text)}
.sbar-footnote{font-size:.68rem;color:var(--text3);text-align:center;margin-top:1rem;transition:opacity .5s ease}
@keyframes sbar-pulse{0%,100%{box-shadow:0 0 12px rgba(232,145,90,.15)}50%{box-shadow:0 0 24px rgba(232,145,90,.35)}}
.sbar-fill.pulse{animation:sbar-pulse 2s ease-in-out infinite}


/* ===== CARDS GRID (fallback / unused on desktop now) ===== */
.cards-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.2rem}
.card{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:1.8rem;transition:all .3s ease;position:relative;overflow:hidden}
.card::before{content:'';position:absolute;top:0;left:0;width:3px;height:0;transition:height .4s ease;border-radius:3px 0 0 3px}
.card:hover::before{height:100%}
.card:nth-child(1)::before{background:var(--accent)}.card:nth-child(2)::before{background:var(--green)}
.card:nth-child(3)::before{background:var(--amber)}.card:nth-child(4)::before{background:var(--violet)}
.card:hover{border-color:rgba(255,255,255,.1);transform:translateY(-3px)}
.card-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:.8rem}
.card-num{width:30px;height:30px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:.72rem;color:var(--bg)}
.card:nth-child(1) .card-num{background:var(--accent)}.card:nth-child(2) .card-num{background:var(--green)}
.card:nth-child(3) .card-num{background:var(--amber)}.card:nth-child(4) .card-num{background:var(--violet)}
.card-year{font-size:.65rem;font-weight:600;color:var(--text3);padding:.2rem .5rem;background:rgba(255,255,255,.04);border-radius:5px}
.card h4{font-size:.9rem;font-weight:700;margin-bottom:.2rem;line-height:1.35}
.card .card-authors{font-size:.72rem;font-weight:600;margin-bottom:.5rem}
.card:nth-child(1) .card-authors{color:var(--accent)}.card:nth-child(2) .card-authors{color:var(--green)}
.card:nth-child(3) .card-authors{color:var(--amber)}.card:nth-child(4) .card-authors{color:var(--violet)}
.card p{font-size:.82rem;color:var(--text2);line-height:1.6}
.card-tags{display:flex;gap:.3rem;flex-wrap:wrap;margin-top:.7rem}
.card-tag{font-size:.6rem;font-weight:600;padding:.18rem .45rem;border-radius:4px;background:rgba(255,255,255,.04);color:var(--text2)}

/* ===== FLOW DIAGRAM ===== */
.flow-wrap{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:1.5rem;position:relative;overflow:hidden}
.flow-svg{width:100%;height:auto}
.flow-node-bg{fill:var(--bg2);stroke:var(--border);stroke-width:1.5;rx:12;transition:all .3s}
.flow-node-g{cursor:pointer}
.flow-node-g:hover .flow-node-bg,.flow-node-g.on .flow-node-bg{fill:rgba(232,145,90,.06);stroke:var(--accent)}
.flow-label{fill:var(--text);font-family:var(--font);font-size:11px;font-weight:700;text-anchor:middle}
.flow-sub{fill:var(--text3);font-family:var(--font);font-size:8px;font-weight:400;text-anchor:middle}
.flow-edge{fill:none;stroke:rgba(255,255,255,.05);stroke-width:2}
.flow-pulse{fill:none;stroke:var(--accent);stroke-width:2.5;stroke-linecap:round}
.flow-info{background:rgba(255,255,255,.02);border:1px solid var(--border);border-radius:12px;padding:1.3rem;margin-top:1rem;min-height:60px;transition:all .3s}
.flow-info h4{font-size:.95rem;font-weight:700;color:var(--accent);margin-bottom:.2rem}
.flow-info p{font-size:.82rem;color:var(--text2);line-height:1.7}

/* ===== METHODS ===== */
.method-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem}
.method-box{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:2rem;position:relative;overflow:hidden}
.method-box::after{content:'';position:absolute;top:0;left:0;right:0;height:3px}
.method-box.q::after{background:linear-gradient(90deg,var(--accent),var(--blue))}.method-box.ql::after{background:linear-gradient(90deg,var(--green),var(--amber))}
.method-type{font-size:.62rem;font-weight:800;letter-spacing:2.5px;text-transform:uppercase;margin-bottom:.5rem}
.method-box.q .method-type{color:var(--accent)}.method-box.ql .method-type{color:var(--green)}
.method-box h4{font-size:1.05rem;font-weight:700;margin-bottom:.6rem}
.method-box ul{list-style:none;margin-bottom:1rem}
.method-box li{font-size:.82rem;color:var(--text2);padding:.3rem 0 .3rem 1rem;position:relative}
.method-box li::before{content:'';position:absolute;left:0;top:50%;transform:translateY(-50%);width:5px;height:5px;border-radius:50%}
.method-box.q li::before{background:var(--accent)}.method-box.ql li::before{background:var(--green)}
.method-sample{background:rgba(255,255,255,.02);border-radius:10px;padding:.8rem 1rem;border-left:2px solid var(--accent)}
.method-sample span{font-size:.6rem;font-weight:700;color:var(--accent);text-transform:uppercase;letter-spacing:1px;display:block;margin-bottom:.2rem}
.method-sample p{font-size:.78rem;color:var(--text2);font-style:italic;line-height:1.5}

/* ===== QUOTE ===== */
.quote-section{padding:8rem 2rem;text-align:center;position:relative}
.quote-section::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 60% 40% at 50% 50%,rgba(232,145,90,.02),transparent)}
.quote-mark{font-family:var(--serif);font-size:5rem;color:var(--accent);opacity:.2;line-height:1}
.quote-text{font-family:var(--serif);font-size:clamp(1.2rem,2.5vw,1.8rem);font-style:italic;max-width:700px;margin:0 auto;line-height:1.8;color:rgba(255,255,255,.85)}
.quote-cite{font-family:var(--font);font-size:.72rem;font-weight:600;color:var(--accent);letter-spacing:1.5px;text-transform:uppercase;margin-top:1.5rem}

/* ===== TAB TOGGLE ===== */
.tabs{display:flex;gap:.3rem;margin-bottom:1.5rem}
.tab-btn{padding:.5rem 1.2rem;border:1px solid var(--border);background:transparent;color:var(--text2);font-size:.75rem;font-weight:600;border-radius:8px;cursor:pointer;transition:all .2s;font-family:var(--font)}
.tab-btn.active{background:var(--accent);color:var(--bg);border-color:var(--accent)}
.tab-panel{display:none}.tab-panel.active{display:block}

/* ===== COMPARISON TABLE ===== */
.cmp-table{border-radius:12px;overflow:hidden;border:1px solid var(--border)}
.cmp-row{display:grid;grid-template-columns:100px 1fr 1fr;border-bottom:1px solid var(--border)}
.cmp-row:last-child{border-bottom:none}
.cmp-row.head{background:rgba(232,145,90,.04)}
.cmp-row.head div{font-size:.65rem;font-weight:700;color:var(--accent);text-transform:uppercase;letter-spacing:1.5px}
.cmp-row div{padding:.7rem 1rem;font-size:.8rem;color:var(--text2);line-height:1.5}
.cmp-row div:first-child{font-weight:600;color:var(--text);background:rgba(255,255,255,.02)}

/* ===== FOOTER ===== */
.footer{padding:4rem 2rem;text-align:center;border-top:1px solid var(--border)}
.footer-names{display:flex;justify-content:center;gap:1.5rem;margin-bottom:.8rem;flex-wrap:wrap}
.footer-names span{font-size:.82rem;color:var(--text2);font-weight:500}
.footer p{font-size:.72rem;color:var(--text3)}
.footer-ref{display:inline-block;margin-top:1rem;font-size:.75rem;font-weight:600;color:var(--accent);letter-spacing:1px;text-transform:uppercase;padding:.4rem 1rem;border:1px solid var(--accent);border-radius:8px;transition:all .2s}
.footer-ref:hover{background:var(--accent);color:var(--bg)}

/* ===== HERO CORNER ACCENTS ===== */
.hero-corner{position:absolute;width:20px;height:20px;pointer-events:none;z-index:1;opacity:.6}
.hero-corner--tl{top:1.5rem;left:1.5rem;border-top:1px solid var(--accent);border-left:1px solid var(--accent)}
.hero-corner--tr{top:1.5rem;right:1.5rem;border-top:1px solid var(--accent);border-right:1px solid var(--accent)}
.hero-corner--bl{bottom:4rem;left:1.5rem;border-bottom:1px solid var(--accent);border-left:1px solid var(--accent)}
.hero-corner--br{bottom:4rem;right:1.5rem;border-bottom:1px solid var(--accent);border-right:1px solid var(--accent)}

/* ===== MONOSPACE ON DATA ===== */
.big-stat-num,.big-stat-source,.big-stat-context,.chart-label,.part-label,.step-source,.hc-year,.card-year{font-family:var(--mono)}

/* ===== DOT DIVIDER ===== */
.dot-divider{display:flex;justify-content:center;gap:6px;padding:1rem 0}
.dot-divider span{width:2px;height:2px;border-radius:50%;background:var(--text3);opacity:.35}

/* ===== FOOTER PULSE DOTS ===== */
.footer-pulse{display:inline-flex;gap:4px;margin-left:.5rem;vertical-align:middle}
.footer-pulse span{width:4px;height:4px;border-radius:50%;background:var(--accent);opacity:.6;animation:fpulse 1.4s ease-in-out infinite}
.footer-pulse span:nth-child(2){animation-delay:.2s}
.footer-pulse span:nth-child(3){animation-delay:.4s}
@keyframes fpulse{0%,100%{opacity:.2;transform:scale(.8)}50%{opacity:.7;transform:scale(1.2)}}

/* ===== RESPONSIVE ===== */
@media(max-width:900px){
  .split,.cards-grid,.method-grid{grid-template-columns:1fr}
  .split.reverse{direction:ltr}
  .scrolly{flex-direction:column}
  .scrolly-visual{position:relative;top:0;height:auto;padding:1rem;margin-bottom:1rem}
  .scrolly-steps{padding:0 1rem}
  .scrolly-step{min-height:auto;padding:1.5rem 0;opacity:1!important}
  .topnav-links{display:none}
  .cmp-row{grid-template-columns:1fr}
  .cmp-row.head{display:none}
  .cmp-row div:first-child{font-size:.62rem;color:var(--accent);text-transform:uppercase;letter-spacing:1px;padding-bottom:0}
}
@media(max-width:600px){
  .section{padding:5rem 1.2rem}
  .big-stat{padding:5rem 1.2rem}
  .hero-team{flex-direction:column;align-items:center}
}