@import"https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=IBM+Plex+Sans:ital,wght@0,400;0,500;0,600;1,400&family=IBM+Plex+Mono:wght@400;500&display=swap";:root{--paper: #f5f4ef;--paper-2: #eceae2;--paper-3: #e3e1d6;--ink: #1b1c18;--ink-soft: #56584e;--ink-faint: #8b8d80;--line: #dddbd1;--line-strong: #c8c6ba;--accent: #3f7a4e;--accent-deep: #0a160d;--accent-soft: #f0f5f2;--accent-tint: #faf9f8;--forest: #161d18;--forest-2: #1e2820;--forest-line: #33402f;--paper-on-dark: #edefe7;--soft-on-dark: #a9b1a3;--display: "Space Grotesk", "Helvetica Neue", sans-serif;--body: "IBM Plex Sans", "Helvetica Neue", Arial, sans-serif;--mono: "IBM Plex Mono", ui-monospace, Menlo, monospace;--wrap: 1160px;--radius: 16px;--ease: cubic-bezier(.22, .61, .36, 1)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--body);font-size:17px;line-height:1.62;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}::selection{background:var(--accent);color:#fff}img{max-width:100%;display:block}a{color:inherit;text-decoration:none}h1,h2,h3,h4{font-family:var(--display);font-weight:600;line-height:1.04;margin:0;letter-spacing:-.01em}.display{font-size:clamp(2.7rem,6.2vw,4.7rem);line-height:.99;letter-spacing:-.025em}h2{font-size:clamp(1.95rem,3.6vw,2.85rem);letter-spacing:-.02em}h3{font-size:1.4rem;letter-spacing:-.01em}h4{font-size:1.12rem}p{margin:0;text-wrap:pretty}.lead{font-size:clamp(1.12rem,1.7vw,1.32rem);line-height:1.55;color:var(--ink-soft)}.eyebrow{font-family:var(--mono);font-size:.74rem;font-weight:500;letter-spacing:.2em;text-transform:uppercase;color:var(--accent-deep)}.muted{color:var(--ink-soft)}.faint{color:var(--ink-faint)}.wrap{max-width:var(--wrap);margin:0 auto;padding:0 28px}.wrap-narrow{max-width:760px;margin:0 auto;padding:0 28px}section{position:relative}.band{padding:clamp(72px,9vw,118px) 0}.band-tight{padding:clamp(48px,6vw,76px) 0}.hairline{border:0;border-top:1px solid var(--line);margin:0}.gridbg{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;z-index:0;background-image:linear-gradient(to right,rgba(27,28,24,.05) 1px,transparent 1px);background-size:calc((100% + -0px)/4) 100%;-webkit-mask-image:linear-gradient(to bottom,transparent,#000 12%,#000 88%,transparent);mask-image:linear-gradient(to bottom,transparent,#000 12%,#000 88%,transparent);opacity:.6}.gridbg.cols6{background-size:calc(100% / 6) 100%}.nav{position:sticky;top:0;z-index:60;background:#f5f4efdb;-webkit-backdrop-filter:blur(12px) saturate(1.1);backdrop-filter:blur(12px) saturate(1.1);border-bottom:1px solid var(--line)}.nav .wrap{display:flex;align-items:center;gap:26px;height:70px}.brand{display:flex;align-items:center;gap:11px;font-family:var(--display);font-weight:600;font-size:1.12rem;letter-spacing:-.01em;color:var(--ink)}.brand .glyph{width:32px;height:32px;flex:0 0 auto;object-fit:contain;display:block}.nav .brand .glyph{margin-top:-1px}.nav .links{margin-left:auto;display:flex;align-items:center;gap:6px}.nav .links a{font-family:var(--mono);font-size:.82rem;letter-spacing:.02em;color:var(--ink-soft);padding:8px 13px;border-radius:8px;transition:color .2s,background .2s}.nav .links a:hover{color:var(--ink);background:var(--paper-2)}.nav .links a.active{color:var(--accent-deep)}.btn{display:inline-flex;align-items:center;gap:9px;font-family:var(--body);font-weight:500;font-size:1rem;padding:13px 22px;border-radius:11px;cursor:pointer;border:1px solid transparent;transition:transform .2s var(--ease),box-shadow .2s,background .2s,border-color .2s;white-space:nowrap}.btn:active{transform:translateY(1px)}.btn-primary{background:var(--accent);color:#fff;box-shadow:0 1px 0 var(--accent-deep),0 8px 22px -10px var(--accent)}.btn-primary:hover{background:var(--accent-deep);box-shadow:0 10px 26px -10px var(--accent)}.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line-strong)}.btn-ghost:hover{border-color:var(--ink);background:var(--paper)}.tag{display:inline-flex;align-items:center;gap:7px;font-family:var(--mono);font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--accent-deep);background:var(--accent-soft);border:1px solid rgba(63,122,78,.22);padding:5px 11px;border-radius:40px}.tag.plain{color:var(--ink-soft);background:var(--paper-2);border-color:var(--line)}.dotline{display:inline-flex;align-items:center;gap:9px;font-family:var(--mono);font-size:.78rem;color:var(--ink-soft);flex-wrap:wrap}.dotline .dot{width:3px;height:3px;border-radius:50%;background:var(--ink-faint)}.ph{position:relative;overflow:hidden;border-radius:var(--radius);border:1px solid var(--line);background:radial-gradient(120% 120% at 0% 0%,rgba(63,122,78,.07) 0%,transparent 55%),linear-gradient(150deg,var(--paper-2),var(--paper));display:flex;align-items:center;justify-content:center}.ph:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;background-image:repeating-linear-gradient(0deg,transparent 0 27px,rgba(27,28,24,.04) 27px 28px)}.ph .lbl{position:relative;z-index:1;font-family:var(--mono);font-size:.72rem;letter-spacing:.06em;text-transform:lowercase;color:var(--ink-faint);background:#f5f4efcc;border:1px dashed var(--line-strong);padding:.45em .8em;border-radius:7px}.ph.dark{border-color:var(--forest-line);background:radial-gradient(120% 120% at 100% 0%,rgba(63,122,78,.18) 0%,transparent 55%),linear-gradient(150deg,var(--forest-2),var(--forest))}.ph.dark:after{background-image:repeating-linear-gradient(0deg,transparent 0 27px,rgba(255,255,255,.03) 27px 28px)}.ph.dark .lbl{color:var(--soft-on-dark);background:#00000040;border-color:var(--forest-line)}.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:transform .25s var(--ease),box-shadow .25s,border-color .25s}a.card{color:inherit;display:block}a.card:hover{transform:translateY(-4px);box-shadow:0 22px 40px -26px #141e1466;border-color:var(--line-strong)}.card .body{padding:22px 22px 24px}.card .ph{border-radius:0;border:0;border-bottom:1px solid var(--line)}.footer{background:var(--forest);color:var(--paper-on-dark);padding:64px 0 40px}.footer a{color:var(--soft-on-dark);text-decoration:none}.footer a:hover,.footer .brand{color:#fff}.footer .brand .glyph{background:var(--paper-on-dark);border-radius:8px;padding:5px;width:36px;height:36px}.footer .cols{display:flex;gap:40px;flex-wrap:wrap;align-items:flex-start}.footer .mono{font-family:var(--mono);font-size:.8rem;color:var(--soft-on-dark)}.spine{position:relative;padding-left:46px}.spine:before{content:"";position:absolute;left:14px;top:6px;bottom:6px;width:2px;background:linear-gradient(to bottom,var(--line-strong),var(--accent) 50%,var(--line-strong))}.spine .node{position:relative}.spine .node+.node{margin-top:clamp(40px,5vw,64px)}.spine .node>.pin{position:absolute;left:-39px;top:4px;width:16px;height:16px;border-radius:50%;background:var(--paper);border:2.5px solid var(--accent)}.spine .node.key>.pin{background:var(--accent);box-shadow:0 0 0 5px var(--accent-soft)}.stack{display:flex;flex-direction:column}.row{display:flex}.grid{display:grid}.gap-s{gap:14px}.gap-m{gap:24px}.gap-l{gap:40px}.center{text-align:center}.mt-s{margin-top:14px}.mt-m{margin-top:24px}.mt-l{margin-top:40px}@media (max-width: 880px){.nav .links a.hideable{display:none}}.hero{padding:clamp(64px,8vw,108px) 0 clamp(56px,7vw,92px);overflow:hidden}.hero .display em{font-style:normal;color:var(--accent-deep);position:relative}.hero .display em:after{content:"";position:absolute;left:0;right:0;bottom:.06em;height:.09em;background:var(--accent);opacity:.28;border-radius:2px}.cta-row{display:flex;gap:14px;flex-wrap:wrap}@media (max-width: 820px){.about{grid-template-columns:1fr!important;gap:30px}.about .photo{max-width:240px}.bausteine,.chapters,.feature{grid-template-columns:1fr!important}.feature .ph{border-right:0;border-bottom:1px solid var(--line);min-height:220px}.posts,[style*=grid-template-columns],[style*="display: grid"]{grid-template-columns:1fr!important}[style*="display: flex"][style*=gridTemplateColumns]{flex-direction:column!important}.wrap,.wrap-narrow{padding:0 20px}.display{font-size:clamp(2rem,5vw,3rem)}h2{font-size:clamp(1.5rem,3vw,2.2rem)}.spine{padding-left:30px}.spine .node>.pin{left:-34px}.footer .cols{flex-direction:column;gap:30px}.footer .cols>div{flex:1!important;min-width:auto!important}.btn{font-size:.95rem;padding:12px 18px}.tag{font-size:.68rem;padding:4px 10px}.eyebrow{font-size:.68rem}.lead{font-size:clamp(1rem,1.5vw,1.2rem)}.card{transform:none!important}.card:hover{transform:none!important;box-shadow:none!important}.hero{padding:clamp(48px,6vw,72px) 0 clamp(40px,5vw,56px)}.band{padding:clamp(48px,6vw,76px) 0}.band-tight{padding:clamp(32px,4vw,48px) 0}.grid-4,.grid-3,.grid-2{grid-template-columns:1fr!important}.nav .links{gap:4px;flex-wrap:wrap}.nav .links a{padding:6px 10px;font-size:.76rem}.stack{gap:10px}.spine:before{left:8px}.fundament{max-width:100%!important;gap:6px!important;margin:32px auto 60px!important}.tier{padding:8px 10px!important;font-size:.75rem!important;border-radius:8px!important;flex-direction:row!important;gap:8px!important;align-items:center!important;width:100%!important;overflow:hidden!important}.tier .no{font-size:.55rem!important;min-width:24px!important;flex-shrink:0!important;letter-spacing:.05em!important}.tier .t{font-size:.75rem!important;line-height:1.15!important;word-break:break-word!important;overflow-wrap:break-word!important;min-width:0!important}.tier.mid{width:100%!important}.tier.top{width:100%!important;background:var(--accent)!important;border-color:var(--accent)!important;color:#fff!important;box-shadow:0 8px 16px -12px var(--accent)!important}.tier.top .no{color:#ffffffb3!important}.tier.top .t{color:#fff!important}.fundament .cap{font-size:.65rem!important;margin-top:2px!important;padding:0 4px!important}.nav{padding:8px 0!important}.nav .wrap{height:auto!important;gap:8px!important;padding:8px 16px!important;flex-wrap:wrap!important;align-items:center!important}.brand{font-size:.9rem!important;gap:6px!important;white-space:nowrap!important}.brand .glyph{width:24px!important;height:24px!important}.nav .links{margin-left:auto!important;gap:4px!important;display:flex!important;flex-wrap:wrap!important}.nav .links a{padding:5px 8px!important;font-size:.65rem!important;border-radius:6px!important}.nav .links a.hideable{display:none!important}.nav .links a.btn{padding:5px 10px!important}[style*="display: flex"][style*="gap: '20px'"],[style*="display: flex"][style*="gap: 20px"]{flex-direction:column!important;align-items:flex-start!important;gap:16px!important}[style*="width: '92px'"],[style*="width: 92px"]{width:70px!important;height:70px!important}article{font-size:clamp(1rem,4vw,1.12rem)!important}}