:root{
  --earth:#1c1814;
  --earth-2:#26201a;
  --earth-3:#332a21;
  --lime:#ddd3c2;
  --lime-2:#c8bca8;
  --lime-3:#a99c86;
  --ochre:#cf8f3e;
  --ochre-2:#e7b169;
  --rust:#a4502c;
  --moss:#7d8a55;
  --slate:#5d6b74;
  --ink:#231d17;
  --text:#ece4d6;
  --muted:#b3a792;
  --w-words:#cf8f3e;
  --w-json:#7d8a55;
  --w-ref:#7f8f9a;
  --w-hash:#a4502c;
  --radius:4px;
  --serif:"Cormorant Garamond",Georgia,serif;
  --display:"Cinzel","Trajan Pro",Georgia,serif;
  --mono:"IBM Plex Mono",ui-monospace,Menlo,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:76px}
body{margin:0;background:var(--earth);color:var(--text);font-family:var(--serif);font-size:19px;line-height:1.55;
  background-image:radial-gradient(ellipse at 20% 0%,rgba(207,143,62,.08),transparent 55%),
  url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3CfeColorMatrix values='0 0 0 0 0.9 0 0 0 0 0.8 0 0 0 0 0.6 0 0 0 .05 0'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E");}
a{color:var(--ochre-2)}
code{font-family:var(--mono);font-size:.82em;background:rgba(221,211,194,.08);padding:.08em .35em;border-radius:3px;word-break:break-all}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.skip{position:absolute;left:-999px;top:8px;background:var(--ochre);color:var(--ink);padding:8px 14px;z-index:99}
.skip:focus{left:12px}
:focus-visible{outline:2px solid var(--ochre-2);outline-offset:3px}

/* nav */
.nav{position:sticky;top:0;z-index:50;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px clamp(16px,4vw,48px);
  background:rgba(28,24,20,.86);backdrop-filter:blur(10px);border-bottom:1px solid rgba(221,211,194,.12)}
.brand{display:flex;align-items:center;gap:10px;color:var(--lime);text-decoration:none;font-family:var(--display);font-weight:700;letter-spacing:.12em;text-transform:uppercase;font-size:17px}
.brand-mark{width:28px;height:28px;color:var(--ochre)}
.nav nav{display:flex;gap:clamp(10px,2vw,26px);flex-wrap:wrap;justify-content:flex-end}
.nav nav a{color:var(--muted);text-decoration:none;font-family:var(--display);font-size:12.5px;letter-spacing:.14em;text-transform:uppercase}
.nav nav a:hover{color:var(--lime)}

/* hero */
.hero{position:relative;min-height:min(88vh,820px);display:grid;align-items:center;padding:72px clamp(16px,5vw,72px) 96px;overflow:hidden;border-bottom:1px solid rgba(221,211,194,.1)}
#strata{position:absolute;inset:0;width:100%;height:100%;display:block}
.hero-inner{position:relative;max-width:760px}
.eyebrow{font-family:var(--display);letter-spacing:.28em;text-transform:uppercase;font-size:12px;color:var(--ochre-2);margin:0 0 16px}
.hero h1{font-family:var(--display);font-weight:900;font-size:clamp(38px,6.2vw,78px);line-height:1.02;margin:0 0 22px;color:var(--lime);
  text-shadow:0 1px 0 rgba(255,255,255,.12),0 -1px 0 rgba(0,0,0,.6),0 12px 40px rgba(0,0,0,.5)}
.hero h1 em{font-style:normal;color:var(--ochre-2);font-weight:700;display:inline-block;font-size:.72em;letter-spacing:.02em}
.lede{font-size:clamp(19px,2.1vw,23px);max-width:620px;color:var(--lime-2);margin:0 0 30px}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:40px}
.btn{font-family:var(--display);font-weight:700;letter-spacing:.12em;text-transform:uppercase;font-size:13px;padding:14px 22px;border-radius:var(--radius);border:1px solid transparent;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;gap:8px;transition:transform .15s ease,background .2s,border-color .2s,color .2s}
.btn-primary{background:var(--ochre);color:var(--ink);box-shadow:inset 0 -3px 0 rgba(0,0,0,.25),0 8px 24px rgba(207,143,62,.25)}
.btn-primary:hover{background:var(--ochre-2);transform:translateY(-1px)}
.btn-ghost{border-color:rgba(221,211,194,.35);color:var(--lime);background:transparent}
.btn-ghost:hover{border-color:var(--ochre-2);color:var(--ochre-2)}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none}
.hero-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:0;max-width:620px}
.hero-stats div{border-top:2px solid var(--ochre);padding-top:10px}
.hero-stats dt{font-family:var(--display);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted)}
.hero-stats dd{margin:4px 0 0;font-family:var(--mono);font-size:clamp(17px,2.4vw,24px);color:var(--lime)}
.hero-plaque{position:absolute;right:clamp(16px,6vw,96px);bottom:72px;width:240px;padding:22px 18px;text-align:center;
  background:linear-gradient(160deg,#cfc4b1,#a99c86);color:#2b241c;clip-path:polygon(6% 0,94% 3%,100% 70%,92% 100%,5% 96%,0 30%);
  box-shadow:0 30px 60px rgba(0,0,0,.5);font-family:var(--display);letter-spacing:.2em;font-size:13px;display:grid;gap:8px;transform:rotate(-3deg)}
.hero-plaque span,.hero-plaque code{text-shadow:0 1px 0 rgba(255,255,255,.45),0 -1px 0 rgba(0,0,0,.35)}
.hero-plaque code{background:none;color:#3a3026;font-size:13px;letter-spacing:.06em}
.plaque-sub{font-size:10px;letter-spacing:.3em;color:#4a3f33}

/* sections */
section{padding:88px clamp(16px,5vw,72px)}
.sec-head{display:flex;gap:22px;align-items:flex-start;max-width:980px;margin:0 auto 40px}
.sec-num{font-family:var(--display);font-weight:900;font-size:44px;color:var(--ochre);line-height:1;min-width:56px;padding-top:4px;border-right:1px solid rgba(221,211,194,.2);padding-right:16px}
.sec-head h2{font-family:var(--display);font-size:clamp(28px,3.6vw,42px);margin:0 0 6px;color:var(--lime);letter-spacing:.04em}
.sec-head p{margin:0;color:var(--muted);max-width:640px}

/* tool */
.dig{background:linear-gradient(180deg,var(--earth-2),var(--earth));}
.dig>*{max-width:1240px;margin-left:auto;margin-right:auto}
.console{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:18px;margin-bottom:22px}
.sources{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.src{text-align:left;background:var(--earth-3);color:var(--lime);border:1px solid rgba(221,211,194,.14);border-radius:var(--radius);padding:14px;font-family:var(--display);font-weight:700;font-size:13.5px;letter-spacing:.06em;cursor:pointer;display:grid;gap:4px;transition:border-color .2s,background .2s,transform .15s}
.src small{font-family:var(--serif);font-weight:400;font-size:15px;letter-spacing:0;color:var(--muted);font-style:italic}
.src:hover{border-color:rgba(231,177,105,.6);transform:translateY(-1px)}
.src.is-on{background:linear-gradient(160deg,#cfc4b1,#b5a891);color:var(--ink);border-color:transparent}
.src.is-on small{color:#4a3f33}
.custom label{font-family:var(--display);font-size:11.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);display:block;margin-bottom:6px}
.custom-row{display:flex;gap:8px}
.custom input{flex:1;min-width:0;background:#15120f;border:1px solid rgba(221,211,194,.2);color:var(--text);border-radius:var(--radius);padding:12px 14px;font-family:var(--mono);font-size:14px}
.custom input:focus{border-color:var(--ochre)}
.field-err{min-height:1.3em;margin:6px 0 0;color:#e58a6a;font-size:16px}

.toolbar{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;align-items:center;margin-bottom:12px}
.filters{display:flex;gap:8px;flex-wrap:wrap}
.chip{background:transparent;border:1px solid rgba(221,211,194,.22);color:var(--lime-2);border-radius:999px;padding:7px 13px;font-family:var(--mono);font-size:13px;cursor:pointer;display:inline-flex;align-items:center;gap:7px}
.chip b{font-weight:500;color:var(--muted)}
.chip.is-on{background:var(--lime);color:var(--ink);border-color:var(--lime)}
.chip.is-on b{color:#5a4d3e}
.dot{width:9px;height:9px;border-radius:2px;display:inline-block;transform:rotate(45deg)}
.d-words{background:var(--w-words)}.d-json{background:var(--w-json)}.d-ref{background:var(--w-ref)}.d-hash{background:var(--w-hash)}
.tool-right{display:flex;gap:14px;align-items:center;flex-wrap:wrap}
.search input{background:#15120f;border:1px solid rgba(221,211,194,.2);color:var(--text);border-radius:999px;padding:8px 14px;font-family:var(--mono);font-size:13px;width:210px;max-width:100%}
.toggle{display:inline-flex;align-items:center;gap:6px;font-family:var(--mono);font-size:13px;color:var(--lime-2);cursor:pointer}
.toggle input{accent-color:var(--ochre);width:16px;height:16px}

.strata-bar{display:flex;height:10px;border-radius:2px;overflow:hidden;background:var(--earth-3);margin:6px 0 16px}
.strata-bar span{display:block;height:100%;transition:width .6s ease}
.warn-note{font-size:16.5px;color:var(--lime-2);border-left:3px solid var(--rust);background:rgba(164,80,44,.1);padding:10px 14px;margin:0 0 16px}
.warn-note strong{color:var(--ochre-2);font-family:var(--display);font-size:13px;letter-spacing:.1em;text-transform:uppercase;margin-right:4px}
.status{font-family:var(--mono);font-size:13.5px;color:var(--muted);min-height:1.5em;margin-bottom:16px;display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.status .btn{padding:8px 14px;font-size:11.5px}
.status.err{color:#e9a184}

.wall{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:18px;min-height:200px}
.stone{--tilt:0deg;position:relative;text-align:left;cursor:pointer;border:0;font:inherit;color:#2b241c;
  background:linear-gradient(155deg,#ddd3c2 0%,#c7bba6 55%,#ab9e88 100%);
  padding:22px 20px 16px;min-height:150px;display:flex;flex-direction:column;gap:10px;
  clip-path:var(--shape,polygon(3% 2%,97% 0,100% 88%,95% 100%,2% 97%,0 12%));
  transform:rotate(var(--tilt));transition:transform .25s ease,filter .25s ease;filter:drop-shadow(0 10px 14px rgba(0,0,0,.45));
  animation:rise .55s ease both}
.stone::before{content:"";position:absolute;inset:0;pointer-events:none;opacity:.55;mix-blend-mode:multiply;
  background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='g'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.55' numOctaves='3' seed='7'/%3E%3CfeColorMatrix values='0 0 0 0 .55 0 0 0 0 .5 0 0 0 0 .42 0 0 0 .55 0'/%3E%3C/filter%3E%3Crect width='120' height='120' filter='url(%23g)'/%3E%3C/svg%3E")}
.stone:hover,.stone:focus-visible{transform:rotate(0deg) translateY(-4px) scale(1.015);filter:drop-shadow(0 18px 22px rgba(0,0,0,.55)) brightness(1.04)}
.stone:focus-visible{outline:none;filter:drop-shadow(0 0 0 3px var(--ochre-2)) drop-shadow(0 18px 22px rgba(0,0,0,.55))}
.stone .txt{position:relative;font-family:var(--mono);font-size:14.5px;line-height:1.45;white-space:pre-wrap;overflow-wrap:anywhere;word-break:break-word;color:#2d261e;
  text-shadow:0 1px 0 rgba(255,255,255,.55),0 -1px 0 rgba(0,0,0,.28)}
.stone.k-words .txt{font-family:var(--display);font-weight:700;font-size:16px;letter-spacing:.02em;line-height:1.35}
.stone .meta{position:relative;margin-top:auto;display:flex;justify-content:space-between;gap:8px;font-family:var(--mono);font-size:11.5px;color:#5a4d3e;border-top:1px dashed rgba(60,48,36,.35);padding-top:8px}
.stone .tag{display:inline-flex;align-items:center;gap:6px;text-transform:uppercase;letter-spacing:.05em;min-width:0}
.stone .meta>span:last-child{white-space:nowrap}
.stone .rep{position:absolute;top:8px;right:12px;font-family:var(--mono);font-size:11px;background:rgba(43,36,28,.82);color:var(--lime);padding:2px 7px;border-radius:999px}
.stone.failed{filter:drop-shadow(0 10px 14px rgba(0,0,0,.45)) grayscale(.55)}
.stone.k-words{background:linear-gradient(155deg,#e6d6b8 0%,#d2b98e 60%,#b89b6c 100%)}
.stone.k-hash{background:linear-gradient(155deg,#cfc6b8,#b2a796 60%,#97897a)}
.stone.is-new{animation:rise .55s ease both,glow 2.4s ease 1}
@keyframes rise{from{opacity:0;transform:translateY(14px) rotate(var(--tilt))}to{opacity:1;transform:rotate(var(--tilt))}}
@keyframes glow{0%,100%{filter:drop-shadow(0 10px 14px rgba(0,0,0,.45))}30%{filter:drop-shadow(0 0 18px rgba(231,177,105,.85))}}
.wall .empty{grid-column:1/-1;text-align:center;color:var(--muted);font-style:italic;padding:40px 0}
.skeleton{min-height:150px;background:linear-gradient(90deg,var(--earth-3),#3b3127,var(--earth-3));background-size:200% 100%;animation:sh 1.4s linear infinite;clip-path:polygon(3% 2%,97% 0,100% 88%,95% 100%,2% 97%,0 12%)}
@keyframes sh{to{background-position:-200% 0}}
.dig-more{display:flex;gap:14px;align-items:center;justify-content:center;margin-top:30px;flex-wrap:wrap}
.depth-note{font-family:var(--mono);font-size:13px;color:var(--muted)}

/* dialog */
.notes{border:0;padding:0;max-width:min(680px,calc(100vw - 24px));width:100%;background:transparent;color:var(--ink)}
.notes::backdrop{background:rgba(12,10,8,.72);backdrop-filter:blur(3px)}
.notes-inner{position:relative;background:linear-gradient(160deg,#e9e0cf,#cbbfa9);padding:30px clamp(18px,4vw,34px);border-radius:6px;max-height:86vh;overflow:auto}
.notes .eyebrow{color:var(--rust)}
.notes h3{font-family:var(--display);font-size:24px;margin:0 0 14px}
.notes-close{position:absolute;top:10px;right:12px;background:none;border:0;font-size:30px;line-height:1;color:var(--ink);cursor:pointer;padding:4px 10px}
.notes-memo{font-family:var(--mono);font-size:15px;background:rgba(255,255,255,.35);border:1px solid rgba(43,36,28,.2);padding:14px;white-space:pre-wrap;overflow-wrap:anywhere;word-break:break-word;border-radius:4px}
.linkish{background:none;border:0;color:var(--rust);text-decoration:underline;cursor:pointer;font:inherit;font-size:16px;padding:6px 0}
.notes-grid{display:grid;grid-template-columns:max-content minmax(0,1fr);gap:8px 16px;margin:18px 0 0;font-size:16.5px}
.notes-grid dt{font-family:var(--display);font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;color:#6b5b48;padding-top:3px}
.notes-grid dd{margin:0;font-family:var(--mono);font-size:13.5px;overflow-wrap:anywhere}
.notes-grid a{color:var(--rust)}
.notes-foot{font-size:14.5px;color:#5a4d3e;font-style:italic;margin:18px 0 0}

/* method */
.steps{list-style:none;padding:0;margin:0 auto;max-width:1240px;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;counter-reset:s}
.step{counter-increment:s;background:var(--earth-2);border:1px solid rgba(221,211,194,.1);border-radius:var(--radius);padding:22px;position:relative}
.step::before{content:counter(s,upper-roman);position:absolute;top:14px;right:18px;font-family:var(--display);font-weight:900;color:rgba(207,143,62,.35);font-size:28px}
.step svg{width:100%;max-width:150px;height:auto;margin-bottom:10px}
.step h3{font-family:var(--display);font-size:19px;margin:0 0 8px;color:var(--lime)}
.step p{margin:0;color:var(--lime-2);font-size:17.5px}
.s-l1{fill:#5a4a3a}.s-l2{fill:#7a6650}.s-l3{fill:#a08868}
.s-pick{stroke:var(--ochre-2);stroke-width:3;fill:none;stroke-linecap:round}
.s-row{fill:#4a3e32}.s-row.hi{fill:var(--ochre)}
.s-row-l{stroke:var(--lime);stroke-width:2.5;stroke-linecap:round}
.s-c1{fill:var(--w-words)}.s-c2{fill:var(--w-json)}.s-c3{fill:var(--w-hash)}
.s-lens{fill:none;stroke:var(--lime);stroke-width:3}

/* uses */
.uses{background:var(--earth-2)}
.cards{max-width:1240px;margin:0 auto;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.card{padding:26px 24px;border:1px solid rgba(221,211,194,.12);border-radius:var(--radius);background:linear-gradient(180deg,rgba(221,211,194,.05),transparent);position:relative;overflow:hidden}
.card::after{content:"";position:absolute;left:0;top:0;width:44px;height:3px;background:var(--ochre)}
.card h3{font-family:var(--display);font-size:19px;margin:0 0 8px;color:var(--lime)}
.card p{margin:0;color:var(--lime-2);font-size:17.5px}

/* guide */
.guide-grid{max-width:1100px;margin:0 auto;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:40px}
.guide-col h3{font-family:var(--display);color:var(--ochre-2);font-size:18px;letter-spacing:.06em;margin:26px 0 8px}
.guide-col h3:first-child{margin-top:0}
.guide-col p{margin:0 0 12px;color:var(--lime-2)}
.strata-table{width:100%;border-collapse:collapse;margin:18px 0 8px;font-size:16px}
.strata-table caption{text-align:left;font-family:var(--display);font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);padding-bottom:8px}
.strata-table th,.strata-table td{border-bottom:1px solid rgba(221,211,194,.14);padding:9px 8px;text-align:left;vertical-align:top}
.strata-table th{font-family:var(--display);font-size:12px;letter-spacing:.12em;color:var(--lime)}
.strata-table td .dot{margin-right:8px}
.small{font-size:15px;color:var(--muted);font-style:italic}

/* faq */
.faq-list{max-width:860px;margin:0 auto}
.faq details{border-bottom:1px solid rgba(221,211,194,.16)}
.faq summary{cursor:pointer;list-style:none;padding:20px 40px 20px 0;font-family:var(--display);font-weight:700;font-size:18px;color:var(--lime);position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:6px;top:14px;font-size:28px;color:var(--ochre);transition:transform .25s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{margin:0 0 20px;color:var(--lime-2)}

/* honesty */
.honesty{padding-top:20px}
.honesty-box{max-width:980px;margin:0 auto;border:1px solid rgba(207,143,62,.45);border-radius:6px;padding:30px clamp(18px,4vw,40px);background:repeating-linear-gradient(-45deg,rgba(207,143,62,.04) 0 10px,transparent 10px 20px)}
.honesty-box h2{font-family:var(--display);margin:0 0 14px;color:var(--ochre-2);font-size:26px}
.honesty-box ul{margin:0;padding-left:20px;color:var(--lime-2)}
.honesty-box li{margin-bottom:8px}
.honesty-box strong{color:var(--lime)}

.foot{padding:48px clamp(16px,5vw,72px) 60px;border-top:1px solid rgba(221,211,194,.12);text-align:center;color:var(--muted)}
.foot-mark{display:inline-flex;align-items:center;gap:10px;font-family:var(--display);font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--lime);margin-bottom:12px}
.foot-mark svg{width:24px;height:24px;color:var(--ochre)}
.foot p{margin:4px 0;font-size:16px}
.foot-small{font-size:14px!important;opacity:.8}

@media (max-width:980px){
  .console{grid-template-columns:1fr}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cards{grid-template-columns:repeat(2,minmax(0,1fr))}
  .hero-plaque{display:none}
}
@media (max-width:640px){
  body{font-size:18px}
  .nav nav{display:none}
  .sources{grid-template-columns:1fr}
  .steps,.cards,.guide-grid{grid-template-columns:1fr}
  .hero-stats{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
  .hero-stats dd{font-size:15px}
  .sec-head{gap:14px}
  .sec-num{font-size:32px;min-width:40px;padding-right:10px}
  .custom-row{flex-direction:column}
  .search input{width:100%}
  .tool-right{width:100%}
  .search{flex:1 1 100%}
  section{padding:64px 16px}
  .hero{padding:56px 16px 72px}
  .wall{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}
@media print{.nav,.hero,#strata{display:none}}