/* ============================================================
   Topdeta. Ground-truth data for AI labs.  (v4, premium)
   One dark ink stage. One coral light that does all the work.
   Clash Grotesk / Switzer / JetBrains Mono. GSAP-driven motion.
   ============================================================ */

@font-face{font-family:"Clash";src:url("../fonts/ClashGrotesk-Light.woff2") format("woff2");font-weight:300;font-display:swap}
@font-face{font-family:"Clash";src:url("../fonts/ClashGrotesk-Regular.woff2") format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Clash";src:url("../fonts/ClashGrotesk-Medium.woff2") format("woff2");font-weight:500;font-display:swap}
@font-face{font-family:"Clash";src:url("../fonts/ClashGrotesk-Semibold.woff2") format("woff2");font-weight:600;font-display:swap}
@font-face{font-family:"Clash";src:url("../fonts/ClashGrotesk-Bold.woff2") format("woff2");font-weight:700;font-display:swap}
@font-face{font-family:"Switzer";src:url("../fonts/Switzer-Variable.woff2") format("woff2");font-weight:100 900;font-display:swap}
@font-face{font-family:"JetBrains Mono";src:url("../fonts/JetBrainsMono-400.woff2") format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"JetBrains Mono";src:url("../fonts/JetBrainsMono-500.woff2") format("woff2");font-weight:500;font-display:swap}
@font-face{font-family:"JetBrains Mono";src:url("../fonts/JetBrainsMono-700.woff2") format("woff2");font-weight:700;font-display:swap}

@property --angle{syntax:"<angle>";initial-value:0deg;inherits:false}

:root{
  --ink:#0A0E16; --ink-2:#0B0F18; --ink-deep:#06090F;
  --panel:#0E131D; --panel-2:#11161F; --panel-3:#161C27;
  --text:#EDF1F7; --muted:#9DA9BB; --faint:#5C6A7E;
  --accent:#F26B4E; --accent-2:#E1543B; --accent-soft:#F58C73;
  --hair:rgba(255,255,255,.07); --hair-2:rgba(255,255,255,.12); --hair-3:rgba(255,255,255,.2);
  --glass:0 0 0 1px rgba(255,255,255,.06),0 1px 2px rgba(0,0,0,.4),0 14px 40px -12px rgba(0,0,0,.55),inset 0 1px 0 rgba(255,255,255,.05);
  --glass-hi:0 0 0 1px rgba(255,255,255,.1),0 2px 4px rgba(0,0,0,.4),0 30px 70px -20px rgba(0,0,0,.7),inset 0 1px 0 rgba(255,255,255,.07);
  --display:"Clash",system-ui,sans-serif;
  --body:"Switzer","General Sans",system-ui,sans-serif;
  --mono:"JetBrains Mono","IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --container:1240px; --pad:clamp(22px,5vw,60px); --gap:clamp(90px,13vw,200px); --r:16px;
  --e-out:cubic-bezier(.22,1,.36,1); --e-expo:cubic-bezier(.16,1,.3,1);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
html:focus-within{scroll-padding-top:110px}
body{margin:0;background:var(--ink);color:var(--text);font-family:var(--body);font-size:17px;line-height:1.65;font-weight:400;
  letter-spacing:.005em;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden;
  font-variant-numeric:tabular-nums;font-kerning:normal}
main{overflow-x:hidden;width:100%;max-width:100%}
img,svg,canvas{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;color:inherit;background:none;border:0}
h1,h2,h3,h4{margin:0;font-family:var(--display);font-weight:600;line-height:1.02;letter-spacing:-.025em;text-wrap:balance}
p{margin:0;text-wrap:pretty}
::selection{background:var(--accent);color:var(--ink)}

/* ---------- Global depth: grain + cursor spotlight ---------- */
.grain{position:fixed;inset:0;z-index:1;pointer-events:none;opacity:.04;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
@media (hover:hover){
  .spotlight{position:fixed;inset:0;z-index:2;pointer-events:none;
    background:radial-gradient(18em 18em at var(--cx,-100px) var(--cy,-100px),rgba(242,107,78,.06),transparent 60%);transition:opacity .4s}
}

/* edge-masked premium grid + mesh (reusable section background) */
.bg-grid{position:absolute;inset:0;z-index:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:58px 58px;
  -webkit-mask-image:radial-gradient(120% 90% at 50% 0%,#000 25%,transparent 78%);mask-image:radial-gradient(120% 90% at 50% 0%,#000 25%,transparent 78%)}
.orb{position:absolute;border-radius:50%;filter:blur(80px);pointer-events:none;z-index:0;opacity:.3;
  background:radial-gradient(closest-side,rgba(242,107,78,.8),transparent)}

/* ---------- Layout ---------- */
.wrap{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:var(--pad);position:relative;z-index:3}
section{position:relative;z-index:2;padding-block:var(--gap)}
.tline{border-top:1px solid var(--hair)}
.refmark{display:inline-block;color:var(--accent);vertical-align:middle;line-height:0}
.refmark svg{width:1em;height:1em;overflow:visible}
.eyebrow{font-family:var(--mono);font-size:.74rem;font-weight:500;letter-spacing:.22em;text-transform:uppercase;color:var(--accent);display:inline-flex;align-items:center;gap:.7em;margin:0 0 1.6rem}
.eyebrow .t{color:var(--muted)}

/* ---------- Type ---------- */
.display{font-weight:300;font-size:clamp(2.6rem,4.6vw,4.4rem);line-height:1.0;letter-spacing:-.035em}
.display .hot{font-weight:500;background:linear-gradient(120deg,var(--accent-soft),var(--accent) 40%,var(--accent-2));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.h2{font-weight:600;font-size:clamp(2.1rem,4.6vw,3.6rem);line-height:1.0;letter-spacing:-.03em}
.h3{font-weight:600;font-size:clamp(1.2rem,2vw,1.55rem);letter-spacing:-.015em}
.lead{font-size:clamp(1.1rem,1.6vw,1.4rem);color:var(--muted);line-height:1.5;max-width:40ch;font-weight:400;letter-spacing:0}
.body{color:var(--muted);max-width:60ch;line-height:1.72}.body+.body{margin-top:1.05rem}
.muted{color:var(--muted)}.faint{color:var(--faint)}.accent{color:var(--accent)}
strong{color:#fff;font-weight:600}
.shead{max-width:54ch;margin-bottom:clamp(2.8rem,5vw,4.6rem)}
.shead .lead{margin-top:1.2rem;max-width:56ch}

/* ---------- Buttons ---------- */
.btn{position:relative;display:inline-flex;align-items:center;gap:.55em;border-radius:10px;padding:1.05em 1.7em;font-weight:600;font-size:.98rem;line-height:1;
  transition:transform .25s var(--e-out),box-shadow .25s,color .2s;will-change:transform}
.btn .lbl{position:relative;z-index:2;display:inline-flex;align-items:center;gap:.5em}
.btn-primary{background:var(--accent);color:var(--ink);box-shadow:0 1px 0 rgba(255,255,255,.2) inset,0 10px 30px -12px rgba(242,107,78,.6)}
.btn-primary:hover{box-shadow:0 1px 0 rgba(255,255,255,.2) inset,0 18px 44px -12px rgba(242,107,78,.7)}
.btn-ghost{color:var(--text);box-shadow:0 0 0 1px var(--hair-2) inset}
.btn-ghost:hover{box-shadow:0 0 0 1px var(--accent) inset;color:#fff}
.btn .arr{transition:transform .25s var(--e-out)}.btn:hover .arr{transform:translateX(4px)}
/* rotating conic ring */
.btn-ring::before{content:"";position:absolute;inset:-1.5px;border-radius:inherit;padding:1.5px;
  background:conic-gradient(from var(--angle),transparent,var(--accent) 12%,transparent 28%,transparent 62%,var(--accent-soft) 78%,transparent 92%);
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;
  animation:spin 4.5s linear infinite;opacity:.9;z-index:1}
@keyframes spin{to{--angle:360deg}}

/* ---------- Nav (floating glass pill + progress) ---------- */
.progress{position:fixed;top:0;left:0;height:2px;width:100%;transform:scaleX(0);transform-origin:0 50%;background:linear-gradient(90deg,var(--accent),var(--accent-soft));z-index:70}
.nav{position:fixed;top:18px;left:50%;transform:translateX(-50%);z-index:60;width:min(var(--container),calc(100% - 2*var(--pad)));transition:.35s var(--e-out)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:64px;padding:0 12px 0 18px;border-radius:16px;transition:.35s var(--e-out)}
.nav.scrolled .nav-in{background:rgba(12,16,24,.7);backdrop-filter:blur(20px) saturate(1.5);-webkit-backdrop-filter:blur(20px) saturate(1.5);box-shadow:var(--glass)}
.nav-logo{height:40px;width:auto}
.nav-links{display:flex;gap:1.9rem;list-style:none;margin:0;padding:0}
.nav-links a{font-family:var(--mono);font-size:.8rem;letter-spacing:.02em;color:var(--muted);transition:color .2s}
.nav-links a:hover{color:#fff}
.nav-right{display:flex;align-items:center;gap:1rem}
.nav-toggle{display:none;width:42px;height:42px;align-items:center;justify-content:center}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{content:"";display:block;width:20px;height:2px;background:#fff;position:absolute;transition:.25s}
.nav-toggle span{position:relative}.nav-toggle span::before{top:-6px}.nav-toggle span::after{top:6px}
body.menu-open .nav-toggle span{background:transparent}
body.menu-open .nav-toggle span::before{top:0;transform:rotate(45deg)}
body.menu-open .nav-toggle span::after{top:0;transform:rotate(-45deg)}

/* ---------- Hero ---------- */
.hero{min-height:100svh;display:flex;align-items:center;padding-top:130px;padding-bottom:60px;overflow:clip}
#datum{position:absolute;inset:0;z-index:0;width:100%;height:100%}
.hero .orb-a{width:560px;height:560px;top:-12%;right:-6%}
.hero .orb-b{width:420px;height:420px;bottom:-18%;left:-10%;opacity:.18}
.hero-grid{display:grid;grid-template-columns:minmax(0,48%) minmax(0,52%);gap:clamp(2rem,5vw,4rem);align-items:center;width:100%;perspective:1400px}
.hero h1{margin:0 0 1.6rem;font-size:clamp(2.5rem,4vw,4rem)}
.hero-sub{font-size:clamp(1.08rem,1.5vw,1.28rem);color:var(--muted);max-width:46ch;line-height:1.5;margin-bottom:2.2rem}
.hero-cta{display:flex;flex-wrap:wrap;gap:.9rem}

/* verifier panel */
.verifier{position:relative;border-radius:18px;background:linear-gradient(180deg,var(--panel-2),var(--panel));box-shadow:var(--glass-hi);
  transform-style:preserve-3d;perspective:1200px;overflow:hidden}
.vf-bar{display:flex;align-items:center;gap:.6rem;padding:.75rem 1rem;border-bottom:1px solid var(--hair);background:rgba(0,0,0,.2)}
.vf-bar .dot{width:11px;height:11px;border-radius:50%;background:var(--hair-2)}
.vf-bar .run{font-family:var(--mono);font-size:.74rem;color:var(--muted);margin-left:.4rem}
.vf-bar .net{font-family:var(--mono);font-size:.7rem;color:var(--faint);margin-left:auto}
.vf-rail{padding:1.5rem 1.4rem;display:flex;flex-direction:column;gap:0;position:relative}
.vf-stage{display:grid;grid-template-columns:46px 1fr;gap:1rem;align-items:start;padding-bottom:1.4rem;position:relative}
.vf-stage:last-of-type{padding-bottom:0}
.vf-stage::before{content:"";position:absolute;left:22px;top:44px;bottom:-2px;width:2px;background:var(--hair)}
.vf-stage:last-of-type::before{display:none}
.vf-stage.on::before{background:linear-gradient(180deg,var(--accent),var(--hair))}
.vf-cap{position:absolute;left:21px;top:44px;width:4px;height:0;background:linear-gradient(180deg,transparent,var(--accent));border-radius:2px;box-shadow:0 0 12px var(--accent);transition:height .5s var(--e-out);z-index:2}
.vf-node{width:44px;height:44px;position:relative}
.vf-node svg{width:44px;height:44px;transform:rotate(-90deg)}
.vf-node .ring-bg{fill:none;stroke:var(--hair-2);stroke-width:3}
.vf-node .ring-fg{fill:none;stroke:var(--accent);stroke-width:3;stroke-linecap:round;stroke-dasharray:126;stroke-dashoffset:126;transition:stroke-dashoffset .7s var(--e-out)}
.vf-node .nd{position:absolute;inset:0;display:flex;align-items:center;justify-content:center}
.vf-node .nd i{width:8px;height:8px;border-radius:50%;background:var(--hair-2);transition:.4s}
.vf-stage.on .ring-fg{stroke-dashoffset:0}
.vf-stage.on .nd i{background:var(--accent);box-shadow:0 0 14px var(--accent)}
.vf-body{padding-top:.4rem}
.vf-name{font-family:var(--mono);font-size:.74rem;letter-spacing:.16em;color:var(--faint);transition:color .3s}
.vf-stage.on .vf-name{color:#fff}
.vf-log{font-family:var(--mono);font-size:.8rem;color:var(--muted);margin-top:.35rem;min-height:1.2em;white-space:pre-wrap;word-break:break-word}
.vf-log .car{display:inline-block;width:.5em;color:var(--accent);animation:blink 1s steps(2) infinite}
@keyframes blink{50%{opacity:0}}
.vf-pass{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1rem;
  background:radial-gradient(60% 60% at 50% 45%,rgba(14,19,29,.86),rgba(10,14,22,.97));opacity:0;visibility:hidden;transition:opacity .4s,visibility .4s}
.verifier.passed .vf-pass{opacity:1;visibility:visible}
.vf-seal{width:96px;height:96px}
.vf-seal .spoke{stroke:var(--accent);stroke-width:6;stroke-linecap:round;stroke-dasharray:60;stroke-dashoffset:60;transition:stroke-dashoffset .5s var(--e-out)}
.vf-seal .datum{fill:var(--accent-2);transform:scale(0);transform-origin:50px 50px;transition:transform .4s var(--e-expo)}
.verifier.passed .vf-seal .spoke{stroke-dashoffset:0}
.verifier.passed .vf-seal .s1{transition-delay:.05s}.verifier.passed .vf-seal .s2{transition-delay:.18s}.verifier.passed .vf-seal .s3{transition-delay:.31s}
.verifier.passed .vf-seal .datum{transform:scale(1);transition-delay:.5s}
.vf-chip{font-family:var(--mono);font-weight:700;letter-spacing:.2em;color:var(--accent);font-size:1.1rem;
  border:1px solid var(--accent);border-radius:999px;padding:.5em 1.4em;transform:scale(.9);opacity:0;transition:.5s var(--e-expo);transition-delay:.45s}
.vf-sub{font-family:var(--mono);font-size:.74rem;color:var(--muted)}
.verifier.passed .vf-chip{transform:scale(1);opacity:1}
.vf-bloom{position:absolute;inset:0;pointer-events:none;background:radial-gradient(45% 45% at 50% 45%,rgba(242,107,78,.5),transparent 70%);opacity:0}
.verifier.bloom .vf-bloom{animation:bloom .8s var(--e-out)}
@keyframes bloom{0%{opacity:0}30%{opacity:.5}100%{opacity:0}}

/* ---------- Marquee ---------- */
.marquee{border-block:1px solid var(--hair);padding-block:1.3rem;overflow:hidden;
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.mq-track{display:flex;gap:2.6rem;width:max-content;animation:mq 36s linear infinite}
.marquee:hover .mq-track{animation-play-state:paused}
.mq-track span{font-family:var(--mono);font-size:.84rem;letter-spacing:.12em;color:var(--muted);text-transform:uppercase;display:inline-flex;align-items:center;gap:2.6rem;white-space:nowrap}
.mq-track span::after{content:"";width:5px;height:5px;border-radius:50%;background:var(--accent)}
@keyframes mq{to{transform:translateX(-50%)}}

/* ---------- Thesis (word reveal) ---------- */
.thesis-grid{display:grid;grid-template-columns:1.25fr 1fr;gap:clamp(2rem,5vw,4.5rem);align-items:start}
.statement{font-family:var(--display);font-weight:300;font-size:clamp(1.9rem,3.6vw,3.1rem);line-height:1.16;letter-spacing:-.025em;max-width:22ch}
.statement .w{display:inline-block;opacity:.16;transition:opacity .4s}
.statement strong{font-weight:500}

/* ---------- Bento (gapless, live) ---------- */
.bento{display:grid;grid-template-columns:repeat(6,1fr);gap:14px;grid-auto-flow:dense}
.tile{position:relative;border-radius:var(--r);background:linear-gradient(180deg,var(--panel-2),var(--panel));box-shadow:var(--glass);overflow:hidden;
  padding:1.6rem;display:flex;flex-direction:column;transition:transform .35s var(--e-out),box-shadow .35s}
.tile:hover{transform:translateY(-4px);box-shadow:var(--glass-hi)}
.tile::before{content:"";position:absolute;inset:0;z-index:0;opacity:0;transition:opacity .4s;
  background:radial-gradient(400px circle at var(--mx,50%) var(--my,50%),rgba(242,107,78,.14),transparent 42%)}
.tile:hover::before{opacity:1}
.tile > *{position:relative;z-index:1}
.tile .tag{font-family:var(--mono);font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin-bottom:.8rem}
.tile h3{font-size:1.3rem;margin-bottom:.5rem}
.tile p{color:var(--muted);font-size:.95rem;line-height:1.5;max-width:38ch}
.tile.lg{grid-column:span 4}.tile.sm{grid-column:span 2}
.tile-viz{margin-top:1.3rem}
.codeblk{font-family:var(--mono);font-size:.78rem;line-height:1.7;color:#C7D1E1;background:var(--ink-2);border:1px solid var(--hair);border-radius:10px;padding:1rem 1.1rem;overflow:hidden;white-space:pre}
.codeblk .c{color:var(--faint)}.codeblk .k{color:#92B6FF}.codeblk .a{color:var(--accent)}.codeblk .add{color:#84D6A8}.codeblk .del{color:#F18B7C}.codeblk .ok{color:#84D6A8;font-weight:700}
.term{font-family:var(--mono);font-size:.78rem;color:var(--muted);background:var(--ink-2);border:1px solid var(--hair);border-radius:10px;padding:1rem 1.1rem;min-height:5.4em}
.term .p{color:var(--accent)}.term .car{color:var(--accent);animation:blink 1s steps(2) infinite}
.bigmetric{font-family:var(--display);font-weight:300;font-size:clamp(3rem,5vw,4.4rem);line-height:1;letter-spacing:-.03em;color:#fff}
.bigmetric .u{color:var(--accent);font-weight:400}
.barwrap{height:6px;border-radius:3px;background:var(--hair);overflow:hidden;margin-top:1rem}
.bar{height:100%;width:0;background:linear-gradient(90deg,var(--accent-2),var(--accent));border-radius:3px;transition:width 1.2s var(--e-out)}
.in-view .bar{width:var(--w,70%)}

/* ---------- Selected work (horizontal scroll) ---------- */
.work-pin{position:relative}
.work-track{display:flex;gap:24px;padding-block:1rem;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;-webkit-overflow-scrolling:touch}
.work-track::-webkit-scrollbar{display:none}
.wcard{scroll-snap-align:start;flex:0 0 clamp(300px,38vw,460px);border-radius:var(--r);background:linear-gradient(180deg,var(--panel-2),var(--panel));box-shadow:var(--glass);overflow:hidden;display:flex;flex-direction:column}
.wcard-top{padding:1.1rem 1.2rem;border-bottom:1px solid var(--hair);background:rgba(0,0,0,.2);display:flex;align-items:center;gap:.5rem}
.wcard-top .k{font-family:var(--mono);font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;color:var(--accent)}
.wcard-art{font-family:var(--mono);font-size:.76rem;line-height:1.7;color:#C7D1E1;padding:1.2rem;white-space:pre;overflow:hidden;border-bottom:1px solid var(--hair);min-height:9em}
.wcard-art .c{color:var(--faint)}.wcard-art .a{color:var(--accent)}.wcard-art .add{color:#84D6A8}.wcard-art .del{color:#F18B7C}.wcard-art .ok{color:#84D6A8;font-weight:700}
.wcard-body{padding:1.3rem 1.3rem 1.5rem}
.wcard-body h3{font-size:1.2rem;margin-bottom:.6rem}
.wcard-body p{color:var(--muted);font-size:.92rem;line-height:1.55}
.work-hint{font-family:var(--mono);font-size:.72rem;color:var(--faint);margin-top:1.2rem}

/* ---------- Workflow explorer ---------- */
.flowx{display:grid;grid-template-columns:.82fr 1.18fr;gap:clamp(1.5rem,4vw,3rem);align-items:start}
.flow-list{display:flex;flex-direction:column;gap:.4rem;position:sticky;top:110px}
.flow-tab{display:flex;gap:.95rem;text-align:left;padding:1rem 1.15rem;border-radius:12px;box-shadow:0 0 0 1px transparent inset;transition:.25s var(--e-out)}
.flow-tab:hover{background:var(--panel-2)}
.flow-tab[aria-selected="true"]{background:linear-gradient(180deg,var(--panel-2),var(--panel));box-shadow:var(--glass)}
.flow-tab .fn{font-family:var(--mono);font-size:.74rem;color:var(--faint);padding-top:.15rem;transition:color .25s}
.flow-tab[aria-selected="true"] .fn{color:var(--accent)}
.flow-tab .fb{display:flex;flex-direction:column;min-width:0}
.flow-tab .ft{font-weight:600;font-size:1.02rem;color:var(--muted);letter-spacing:-.01em;transition:color .25s}
.flow-tab[aria-selected="true"] .ft{color:#fff}
.flow-tab .fk{font-family:var(--mono);font-size:.68rem;letter-spacing:.02em;color:var(--faint);margin-top:.35rem}
.flow-stage{border-radius:var(--r);background:linear-gradient(180deg,var(--panel-2),var(--panel));box-shadow:var(--glass-hi);padding:clamp(1.4rem,3vw,2.2rem)}
.flow-panel[hidden]{display:none}
.flow-diagram{background:var(--ink-2);border-radius:12px;box-shadow:0 0 0 1px var(--hair) inset;padding:clamp(1rem,2.5vw,1.8rem);margin-bottom:1.6rem}
.flow-diagram svg{width:100%;height:auto;overflow:visible}
.flow-meta h3{font-size:clamp(1.3rem,2.2vw,1.7rem);margin-bottom:.7rem}
.flow-meta p{color:var(--muted);line-height:1.6;max-width:58ch}
.flow-steps{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:1.4rem}
.flow-steps span{font-family:var(--mono);font-size:.72rem;color:var(--muted);box-shadow:0 0 0 1px var(--hair) inset;border-radius:7px;padding:.4em .8em;position:relative}
.flow-steps span:not(:last-child)::after{content:"\2192";color:var(--faint);margin-left:.7em;margin-right:-.2em}
/* diagram primitives */
.fd-node{fill:var(--panel-3);stroke:var(--hair-2);stroke-width:1.4}
.fd-node.coral{stroke:var(--accent)}.fd-node.green{stroke:#84D6A8}.fd-node.red{stroke:#F18B7C}
.fd-t{font-family:var(--mono);font-size:11px;fill:var(--muted);text-anchor:middle}
.fd-t.w{fill:#EDF1F7}.fd-t.s{font-size:9px;fill:var(--faint)}.fd-t.a{fill:var(--accent)}.fd-t.green{fill:#84D6A8}.fd-t.red{fill:#F18B7C}
.fd-arrow{stroke:var(--hair-2);stroke-width:1.5;fill:none;marker-end:url(#ar)}
.fd-arrow.dash{stroke-dasharray:4 5;marker-end:none}
.fd-arrow.coral{stroke:rgba(242,107,78,.6)}
.fd-mini{stroke:var(--hair-2);stroke-width:2.4;stroke-linecap:round}
.fd-mini.coral{stroke:rgba(242,107,78,.55)}
.fd-flow{stroke:var(--accent);stroke-width:2;fill:none;stroke-dasharray:1;stroke-dashoffset:1;opacity:0}
.flow-panel:not([hidden]) .fd-flow{animation:fd-draw 1.2s var(--e-out) .15s forwards}
.fd-pop{opacity:0}
.flow-panel:not([hidden]) .fd-pop{animation:fd-fade .5s var(--e-out) forwards;animation-delay:calc(var(--d,0)*90ms + .1s)}
@keyframes fd-draw{0%{stroke-dashoffset:1;opacity:0}25%{opacity:.95}100%{stroke-dashoffset:0;opacity:.95}}
@keyframes fd-fade{from{opacity:0}to{opacity:1}}

/* ---------- Difficulty gauge ---------- */
.gauge{position:relative}
.gauge svg{width:100%;height:auto;overflow:visible}
.g-track{fill:var(--panel-3)}
.g-band{fill:rgba(242,107,78,.14);stroke:var(--accent);stroke-width:1.2;stroke-dasharray:3 4}
.g-tick{font-family:var(--mono);font-size:10px;fill:var(--faint);text-anchor:middle}
.g-tick.a{fill:var(--accent)}
.g-dot{opacity:0}
.in-view .g-dot{animation:fd-fade .5s var(--e-out) forwards;animation-delay:calc(var(--d,0)*55ms + .2s)}
.g-dot.inb{fill:var(--accent)}.g-dot.out{fill:var(--faint)}
.g-cap{font-family:var(--mono);font-size:10px;fill:var(--muted)}

/* ---------- Process (pinned) ---------- */
.proc-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:clamp(2rem,5vw,4rem);align-items:start}
.proc-sticky{position:sticky;top:120px}
.proc-steps{display:flex;flex-direction:column;gap:14px}
.pstep{display:grid;grid-template-columns:48px 1fr;gap:1.1rem;align-items:start;padding:1.4rem;border-radius:var(--r);background:var(--panel);box-shadow:0 0 0 1px var(--hair) inset;transition:.4s var(--e-out)}
.pstep.on{box-shadow:0 0 0 1px var(--accent) inset;background:var(--panel-2)}
.pstep .pn{width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-family:var(--mono);font-size:.9rem;color:var(--muted);background:var(--ink-2);box-shadow:0 0 0 1px var(--hair) inset;transition:.4s}
.pstep.on .pn{color:#fff;background:var(--accent);box-shadow:none}
.pstep h3{font-size:1.2rem;margin-bottom:.4rem}.pstep p{color:var(--muted);font-size:.95rem;line-height:1.5}

/* ---------- Pass gate ---------- */
.gate{position:relative;border-radius:var(--r);overflow:hidden;background:var(--panel);box-shadow:var(--glass);padding:clamp(2rem,5vw,3.5rem)}
.gate-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(26px,1fr));gap:10px;font-family:var(--mono);font-size:.8rem}
.gate-grid b{color:var(--faint);text-align:center;transition:color .5s,text-shadow .5s;font-weight:400}
.gate-grid b.pass{color:var(--accent);text-shadow:0 0 10px rgba(242,107,78,.5)}
.gate-pass{display:flex;align-items:center;justify-content:center;gap:1rem;margin-top:2rem}
.gate-pass .big{font-family:var(--display);font-weight:600;font-size:clamp(2rem,4vw,3rem);color:#fff;letter-spacing:-.02em}
.gate-pass .big .accent{color:var(--accent)}

/* ---------- Difficulty curve ---------- */
.diff-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,5vw,4rem);align-items:center}
.chart{border-radius:var(--r);background:var(--panel);box-shadow:var(--glass);padding:1.6rem}
.chart svg{width:100%;height:auto;overflow:visible}
.chart .axis{stroke:var(--hair-2);stroke-width:1}
.chart .curve{fill:none;stroke:var(--accent);stroke-width:2.5;stroke-linecap:round;stroke-dasharray:1;stroke-dashoffset:1}
.chart.in-view .curve{stroke-dashoffset:0;transition:stroke-dashoffset 1.6s var(--e-out)}
.chart .mk{fill:var(--accent);opacity:0}.chart.in-view .mk{opacity:1;transition:opacity .4s .9s}
.chart .lab{font-family:var(--mono);font-size:9px;fill:var(--faint)}

/* ---------- Stats ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.stat{border-radius:var(--r);background:var(--panel);box-shadow:var(--glass);padding:clamp(1.6rem,3vw,2.2rem)}
.stat .num{font-family:var(--display);font-weight:300;font-size:clamp(2.6rem,4.6vw,3.8rem);line-height:1;letter-spacing:-.03em;color:#fff}
.stat .num .u{color:var(--accent);font-weight:400}
.stat .ul{height:2px;width:0;background:var(--accent);margin:.9rem 0;border-radius:2px}
.in-view .stat .ul{width:34px;transition:width .7s var(--e-out) .3s}
.stat .lab{color:var(--muted);font-size:.92rem;max-width:24ch;line-height:1.4}

/* ---------- Why us (spotlight cards) ---------- */
.why{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.wcell{position:relative;border-radius:var(--r);background:var(--panel);box-shadow:var(--glass);padding:1.8rem 1.7rem;overflow:hidden}
.wcell::before{content:"";position:absolute;inset:0;opacity:0;transition:opacity .4s;background:radial-gradient(360px circle at var(--mx,50%) var(--my,50%),rgba(242,107,78,.13),transparent 42%)}
.wcell:hover::before{opacity:1}
.wcell > *{position:relative}
.wcell .rm{font-size:1.3rem;margin-bottom:1.1rem;display:inline-block}
.wcell h3{font-size:1.2rem;margin-bottom:.6rem}.wcell p{color:var(--muted);font-size:.95rem;line-height:1.55}

/* ---------- How we work ---------- */
.work-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,5vw,4.5rem)}
.tlist{list-style:none;margin:0;padding:0}
.tlist li{display:flex;gap:.9rem;align-items:baseline;padding:1.05rem 0;border-top:1px solid var(--hair)}
.tlist b{color:#fff;font-weight:600}.tlist .prog{color:#E2B544}.tlist span{color:var(--muted)}.tlist .rm{flex:0 0 auto;font-size:.85rem}
.formats{display:flex;flex-wrap:wrap;gap:.6rem;margin-top:1.4rem}
.fmt{font-family:var(--mono);font-size:.82rem;border-radius:8px;box-shadow:0 0 0 1px var(--hair) inset;padding:.55em 1em;color:var(--muted);transition:.2s}
.fmt:hover{box-shadow:0 0 0 1px var(--hair-2) inset;color:#fff}

/* ---------- Team ---------- */
.team-grid{display:grid;grid-template-columns:auto 1fr;gap:clamp(1.6rem,4vw,2.8rem);align-items:start;max-width:840px}
.avatar{width:138px;height:138px;border-radius:18px;background:var(--panel);box-shadow:var(--glass);display:flex;align-items:center;justify-content:center;position:relative;flex:0 0 auto;overflow:hidden}
.avatar img{width:100%;height:100%;object-fit:cover;filter:grayscale(1) contrast(1.04) brightness(.97);transition:filter .5s var(--e-out)}
.avatar:hover img{filter:grayscale(0) contrast(1) brightness(1)}
.avatar::after{content:"";position:absolute;inset:0;pointer-events:none;box-shadow:inset 0 0 0 1px rgba(255,255,255,.08),inset 0 -34px 44px -22px rgba(10,14,22,.7)}
.avatar .ini{font-family:var(--display);font-weight:500;font-size:2.6rem;color:#fff}
.avatar .ad{position:absolute;bottom:14px;right:16px;width:13px;height:13px;z-index:2}
.team-name{font-family:var(--display);font-weight:600;font-size:1.5rem;margin-bottom:.2rem}
.team-role{font-family:var(--mono);font-size:.76rem;letter-spacing:.06em;color:var(--accent);text-transform:uppercase;margin-bottom:1rem}
.team-bio{color:var(--muted);line-height:1.62;margin-bottom:1.3rem;max-width:54ch}
.bench{margin-top:1.9rem;color:var(--muted);max-width:62ch}
.socials{display:flex;gap:.6rem}
.social{width:40px;height:40px;border-radius:10px;box-shadow:0 0 0 1px var(--hair) inset;display:flex;align-items:center;justify-content:center;color:var(--muted);transition:.22s var(--e-out)}
.social:hover{box-shadow:0 0 0 1px var(--accent) inset;color:#fff;transform:translateY(-2px)}.social svg{width:17px;height:17px}

/* ---------- Contact ---------- */
.contact{position:relative;overflow:clip}
.contact .orb-a{width:600px;height:600px;top:-30%;right:6%;opacity:.16}
.contact-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(2rem,5vw,4rem);align-items:center}
.contact h2{font-size:clamp(2.4rem,5.5vw,4.4rem)}
.contact .lead{margin:1.4rem 0 2rem;max-width:34ch}
.contact-meta{font-family:var(--mono);font-size:.78rem;color:var(--faint);margin-top:1.4rem}
.form{border-radius:var(--r);background:linear-gradient(180deg,var(--panel-2),var(--panel));box-shadow:var(--glass-hi);padding:clamp(1.6rem,3vw,2.2rem)}
.field{margin-bottom:1.05rem}
.field label{display:block;font-family:var(--mono);font-size:.72rem;letter-spacing:.05em;text-transform:uppercase;color:var(--muted);margin-bottom:.5rem}
.field input,.field select,.field textarea{width:100%;background:var(--ink-2);border:0;box-shadow:0 0 0 1px var(--hair) inset;border-radius:9px;color:#fff;font-family:var(--body);font-size:.97rem;padding:.85em .95em;transition:.2s}
.field input::placeholder,.field textarea::placeholder{color:var(--faint)}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;box-shadow:0 0 0 1px var(--accent) inset,0 0 0 4px rgba(242,107,78,.16)}
.field textarea{resize:vertical;min-height:84px}
.field .err{display:none;color:#F18B7C;font-size:.8rem;margin-top:.4rem;font-family:var(--mono)}
.field.invalid .err{display:block}.field.invalid input{box-shadow:0 0 0 1px #F18B7C inset}
.form .btn-primary{width:100%;justify-content:center;margin-top:.3rem}
.form-msg{display:none;color:#F18B7C;font-size:.84rem;margin-top:.8rem;font-family:var(--mono);text-align:center}.form-msg.show{display:block}
.form-note{font-family:var(--mono);font-size:.74rem;color:var(--faint);margin-top:.8rem;text-align:center}
.form-success{display:none;text-align:center;padding:1.8rem 1rem}.form.sent .form-body{display:none}.form.sent .form-success{display:block}
.form-success .tick{width:48px;height:48px;border-radius:50%;background:rgba(132,214,168,.14);color:#84D6A8;display:flex;align-items:center;justify-content:center;margin:0 auto 1rem;font-size:1.4rem}

/* ---------- Footer ---------- */
.footer{position:relative;border-top:1px solid var(--hair);background:var(--ink-deep);padding-block:clamp(3rem,5vw,4.4rem) 2.2rem;overflow:clip}
.footer .bg-grid{-webkit-mask-image:radial-gradient(120% 90% at 50% 100%,#000 25%,transparent 78%);mask-image:radial-gradient(120% 90% at 50% 100%,#000 25%,transparent 78%)}
.footer-top{display:flex;justify-content:space-between;flex-wrap:wrap;gap:2.6rem;margin-bottom:2.8rem}
.footer-logo{height:56px;margin-bottom:1rem}
.footer-tag{font-family:var(--mono);font-size:.78rem;color:var(--muted)}
.footer-nav{display:flex;gap:clamp(2.5rem,6vw,5rem);flex-wrap:wrap}
.footer-col h4{font-family:var(--mono);font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:var(--faint);font-weight:500;margin-bottom:1rem}
.footer-col a{display:block;color:var(--muted);font-size:.92rem;margin-bottom:.6rem;transition:color .2s}.footer-col a:hover{color:#fff}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1rem;padding-top:2rem;border-top:1px solid var(--hair);font-family:var(--mono);font-size:.73rem;color:var(--faint)}

/* ---------- Reveal ---------- */
.rv{opacity:0;transform:translateY(40px);transition:opacity .8s var(--e-out),transform .8s var(--e-out)}
.rv.in-view{opacity:1;transform:none}
.rvs > *{opacity:0;transform:translateY(34px);transition:opacity .7s var(--e-out),transform .7s var(--e-out);transition-delay:calc(var(--i,0)*80ms)}
.rvs.in-view > *{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
  .rv,.rvs > *{opacity:1!important;transform:none!important}
  .statement .w{opacity:1!important}
  .vf-node .ring-fg{stroke-dashoffset:0}
  .mq-track{animation:none!important}
  .fd-pop,.g-dot{opacity:1!important;animation:none!important}
  .fd-flow{stroke-dashoffset:0!important;opacity:.95!important;animation:none!important}
}

/* ---------- Subpage prose ---------- */
.page-hero{padding-top:clamp(130px,15vh,180px);padding-bottom:var(--gap);position:relative}
.prose{max-width:68ch}
.prose h2{font-size:clamp(1.5rem,3vw,2rem);margin:2.6rem 0 1rem}
.prose h3{font-size:1.18rem;margin:1.9rem 0 .6rem;color:#fff}
.prose p{color:var(--muted);margin-bottom:1rem;line-height:1.7}
.prose ul{color:var(--muted);line-height:1.7;padding-left:1.1rem}.prose li{margin-bottom:.5rem}
.back-link{font-family:var(--mono);font-size:.8rem;color:var(--muted);display:inline-flex;gap:.5em;margin-bottom:2rem}.back-link:hover{color:#fff}

/* ---------- Responsive ---------- */
@media (max-width:980px){
  .hero{min-height:auto;padding-top:120px}
  .hero-grid,.thesis-grid,.diff-grid,.work-grid,.contact-grid,.proc-grid{grid-template-columns:1fr;gap:2.6rem}
  .proc-sticky{position:static}
  .bento{grid-template-columns:repeat(2,1fr)}.tile.lg,.tile.sm{grid-column:span 2}
  .stats{grid-template-columns:repeat(2,1fr)}.why{grid-template-columns:1fr}
  .flowx{grid-template-columns:1fr;gap:1.6rem}
  .flow-list{flex-direction:row;overflow-x:auto;position:static;scrollbar-width:none;padding-bottom:.4rem}
  .flow-list::-webkit-scrollbar{display:none}
  .flow-tab{min-width:250px}
}
@media (max-width:680px){
  .nav-links,.nav-right .btn{display:none}.nav-toggle{display:flex}
  body.menu-open .nav-links{display:flex;position:absolute;inset:72px 0 auto 0;flex-direction:column;gap:0;background:rgba(10,14,22,.98);backdrop-filter:blur(16px);padding:.5rem 1.2rem 1.2rem;border-radius:0 0 16px 16px;box-shadow:var(--glass)}
  body.menu-open .nav-links a{padding:1rem 0;border-bottom:1px solid var(--hair);width:100%;font-size:.95rem}
  .hero-grid{gap:2.2rem}.bento,.stats{grid-template-columns:1fr}.tile.lg,.tile.sm{grid-column:span 1}
  .hero-cta{flex-direction:column;align-items:stretch}.hero-cta .btn{justify-content:center}
  .team-grid{grid-template-columns:1fr}.footer-top{flex-direction:column}
}