/* Brodsky & Lenz · site styles */
@font-face{font-family:"Geist";src:url("/assets/fonts/Geist-Variable.woff2") format("woff2");font-weight:100 900;font-style:normal;font-display:swap}
@font-face{font-family:"Geist Mono";src:url("/assets/fonts/GeistMono-Variable.woff2") format("woff2");font-weight:100 900;font-style:normal;font-display:swap}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;color-scheme:light}
body{margin:0}
img{max-width:100%;height:auto}
[hidden]{display:none!important}
.channels a{color:var(--ink);text-underline-offset:3px}
/* Layout: one calm column at 1180px; hero = thesis left, live layer diagram right; sections separated by hairlines, not cards. */
:root{
  --paper:#F6F5F1; --surface:#FFFFFF; --ink:#0E1116; --graphite:#5B6270; --line:#D9DCE1;
  --signal:#1FD17A; --signal-text:#0F8F52; --signal-wash:rgba(31,209,122,.13);
  --btn-bg:#0E1116; --btn-fg:#F6F5F1;
  --calc-bg:#0E1116; --calc-fg:#F6F5F1; --calc-accent:#1FD17A; --calc-muted:#9AA1AD;
  --f-display:"Geist", "Helvetica Neue", Arial, sans-serif;
  --f-body:"Geist", "Helvetica Neue", Arial, sans-serif;
  --f-mono:"Geist Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
  --wrap:1180px; --gutter:clamp(16px,4vw,40px); --radius:14px;
}
@media (prefers-color-scheme: dark){ :root:not([data-theme="light"]){
  --paper:#0E1116; --surface:#161A21; --ink:#F1F0EC; --graphite:#9AA1AD; --line:#272C35;
  --signal:#1FD17A; --signal-text:#45E094; --signal-wash:rgba(31,209,122,.15);
  --btn-bg:#F1F0EC; --btn-fg:#0E1116; --calc-bg:#1B2029; --calc-fg:#F1F0EC; --calc-accent:#45E094; --calc-muted:#9AA1AD; color-scheme:dark } }
:root[data-theme="dark"]{
  --paper:#0E1116; --surface:#161A21; --ink:#F1F0EC; --graphite:#9AA1AD; --line:#272C35;
  --signal:#1FD17A; --signal-text:#45E094; --signal-wash:rgba(31,209,122,.15);
  --btn-bg:#F1F0EC; --btn-fg:#0E1116; --calc-bg:#1B2029; --calc-fg:#F1F0EC; --calc-accent:#45E094; --calc-muted:#9AA1AD; color-scheme:dark }

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--paper);color:var(--ink);font-family:var(--f-body);font-size:16px;line-height:1.55;-webkit-font-smoothing:antialiased}
a{color:inherit}
h1,h2,h3{font-family:var(--f-display);text-wrap:balance;margin:0;letter-spacing:-.025em;line-height:1.05}
p{margin:0}
.wrap{max-width:var(--wrap);margin-inline:auto;padding-inline:var(--gutter)}
.label{font-family:var(--f-mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--graphite)}
.muted{color:var(--graphite)}
:focus-visible{outline:2px solid var(--signal);outline-offset:3px;border-radius:6px}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:10px;font:500 15px/1 var(--f-body);text-decoration:none;padding:14px 20px;border-radius:10px;border:1px solid transparent;cursor:pointer;transition:transform .15s ease, background .15s}
.btn-primary{background:var(--btn-bg);color:var(--btn-fg)}
.btn-primary:hover{transform:translateY(-1px)}
.btn-ghost{border-color:var(--line);color:var(--ink);background:transparent}
.btn-ghost:hover{border-color:var(--graphite)}
.btn svg{width:16px;height:16px}

/* nav */
header.nav{position:sticky;top:env(safe-area-inset-top,0px);z-index:10;background:color-mix(in srgb,var(--paper) 88%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;gap:28px;height:64px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font:600 18px/1 var(--f-display);letter-spacing:-.02em;white-space:nowrap}
.brand svg{width:26px;height:24px;flex:none}
.brand .amp{color:var(--graphite);font-weight:500}
.nav-links{display:flex;gap:24px;margin-left:auto;font-size:14px}
.nav-links a{text-decoration:none;color:var(--graphite)}
.nav-links a:hover{color:var(--ink)}
.lang{display:flex;font-family:var(--f-mono);font-size:12px;border:1px solid var(--line);border-radius:8px;overflow:hidden}
.lang span{padding:6px 9px}
.lang .on{background:var(--ink);color:var(--paper)}
.lang .off{color:var(--graphite)}
.nav .btn{padding:10px 14px;font-size:14px}
@media (max-width:860px){.nav-links{display:none}.lang{margin-left:auto}}
@media (max-width:420px){.nav .btn{display:none}}

/* hero */
.hero{padding-block:clamp(48px,8vw,96px) clamp(48px,7vw,88px)}
.hero .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(32px,5vw,72px);align-items:center}
.hero h1{font-size:clamp(44px,7.2vw,88px);font-weight:700;letter-spacing:-.045em;line-height:.98}
.hero .sub{font-size:clamp(17px,1.6vw,19px);color:var(--graphite);max-width:34em;margin-top:24px}
.hero .ctas{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.trust{display:flex;flex-wrap:wrap;gap:8px 18px;margin-top:36px}
.trust span{display:inline-flex;align-items:center;gap:8px;font-family:var(--f-mono);font-size:12px;color:var(--graphite)}
.trust span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--signal)}
@media (max-width:900px){.hero .wrap{grid-template-columns:1fr}}

/* layer diagram */
.stack{display:grid;gap:0;position:relative}
.layer{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px;display:grid;gap:12px;min-width:0}
.layer-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.layer-head h3{font-size:16px;letter-spacing:-.01em;font-weight:600}
.layer-head p{font-size:13px;color:var(--graphite)}
.link{height:34px;position:relative;margin-inline:auto;width:2px}
.link::before{content:"";position:absolute;inset:0;background:linear-gradient(var(--line),var(--line))}
.link::after{content:"";position:absolute;left:-3px;width:8px;height:8px;border-radius:50%;background:var(--signal);top:0;animation:topflow 5s linear infinite}

@keyframes flow{0%{top:-4px;opacity:0}15%{opacity:1}85%{opacity:1}100%{top:30px;opacity:0}}
.avatars{display:flex}
.avatars span{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;font:500 11px/1 var(--f-mono);background:var(--paper);border:2px solid var(--surface);margin-left:-8px;color:var(--graphite)}
.avatars span:first-child{margin-left:0}
.runs{display:grid;gap:6px}
.run{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:10px;font-family:var(--f-mono);font-size:12px;padding:8px 10px;border-radius:8px;background:var(--paper);min-width:0}
.run i{width:7px;height:7px;border-radius:50%;background:var(--signal);box-shadow:0 0 0 3px var(--signal-wash)}
.run span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.run em{font-style:normal;color:var(--signal-text)}
.tools{display:grid;grid-template-columns:repeat(6,1fr);gap:8px}
.tool{display:grid;justify-items:center;gap:6px;font-size:11px;color:var(--graphite);text-align:center}
.tool b{width:40px;height:40px;border-radius:10px;border:1px solid var(--line);display:grid;place-items:center;background:var(--paper)}
.tool svg{width:18px;height:18px;stroke:var(--ink);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.status{display:inline-flex;align-items:center;gap:8px;font:500 12px/1 var(--f-mono);color:var(--signal-text);background:var(--signal-wash);padding:7px 11px;border-radius:999px;white-space:nowrap}
.status i{width:7px;height:7px;border-radius:50%;background:var(--signal);animation:pulse 2s ease-in-out infinite}
@keyframes pulse{50%{box-shadow:0 0 0 5px transparent;opacity:.55}}
@media (max-width:480px){.tools{grid-template-columns:repeat(3,1fr)}}

/* sections */
section.block{padding-block:clamp(64px,9vw,112px);border-top:1px solid var(--line)}
.sec-head{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.4fr);gap:24px 64px;align-items:end;margin-bottom:clamp(36px,5vw,56px)}
.sec-head h2{font-size:clamp(32px,4.4vw,52px);font-weight:600}
.sec-head p{color:var(--graphite);max-width:36em;font-size:17px}
@media (max-width:800px){.sec-head{grid-template-columns:1fr}}

/* pains */
.pains{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;border-block:1px solid var(--line)}
.pain{padding:28px 24px 32px 0;display:grid;gap:14px;align-content:start}
.pain + .pain{padding-left:24px;border-left:1px solid var(--line)}
.pain .label{color:var(--signal-text)}
.pain p{font-size:17px;line-height:1.45}
.pains-foot{margin-top:28px;font-size:17px;max-width:40em}
@media (max-width:900px){.pains{grid-template-columns:repeat(2,minmax(0,1fr))}.pain:nth-child(3){padding-left:0;border-left:0}.pain:nth-child(n+3){border-top:1px solid var(--line)}}
@media (max-width:520px){.pains{grid-template-columns:1fr}.pain,.pain+.pain{padding-left:0;border-left:0}.pain+.pain{border-top:1px solid var(--line)}}

/* services */
.services{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.svc{background:var(--surface);padding:28px;display:grid;gap:12px;align-content:start}
.svc svg{width:26px;height:26px;stroke:var(--ink);fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.svc h3{font-size:20px;font-weight:600;letter-spacing:-.015em}
.svc p{color:var(--graphite);font-size:15px}
@media (max-width:900px){.services{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:560px){.services{grid-template-columns:1fr}}

/* demo */
.demo{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:clamp(32px,5vw,72px);align-items:center}
.phone{background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:14px;max-width:420px;width:100%;justify-self:center;box-shadow:0 30px 60px -40px rgba(14,17,22,.35)}
.phone-top{display:flex;align-items:center;gap:10px;padding:6px 6px 14px;border-bottom:1px solid var(--line)}
.phone-top .pic{width:34px;height:34px;border-radius:50%;background:var(--paper);display:grid;place-items:center;border:1px solid var(--line)}
.phone-top .pic svg{width:16px;height:16px}
.phone-top b{display:block;font-size:14px}
.phone-top small{font-size:12px;color:var(--signal-text)}
.chat{display:grid;gap:8px;padding:14px 4px 6px}
.msg{max-width:82%;padding:9px 12px 7px;border-radius:12px;font-size:14px;line-height:1.4}
.msg time{display:block;text-align:right;font:11px/1.6 var(--f-mono);color:var(--graphite)}
.msg.in{background:var(--paper);border-top-left-radius:4px}
.msg.out{background:var(--signal-wash);justify-self:end;border-top-right-radius:4px}
.sys{display:flex;flex-wrap:wrap;gap:6px;justify-content:center;padding-top:6px}
.sys span{font:500 11px/1 var(--f-mono);padding:6px 9px;border-radius:999px;border:1px solid var(--line);color:var(--graphite);display:inline-flex;gap:6px;align-items:center}
.sys span::before{content:"✓";color:var(--signal-text)}
.steps-mini{display:grid;gap:0;margin-top:28px;border-top:1px solid var(--line)}
.steps-mini li{list-style:none;display:grid;grid-template-columns:72px 1fr;gap:16px;padding:14px 0;border-bottom:1px solid var(--line);font-size:16px}
.steps-mini li span{font-family:var(--f-mono);font-size:12px;color:var(--graphite);padding-top:3px}
.steps-mini{padding:0;margin-bottom:0}
@media (max-width:860px){.demo{grid-template-columns:1fr}}

/* process */
.process{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;counter-reset:step}
.step{border-top:2px solid var(--ink);padding-top:22px;display:grid;gap:12px;align-content:start}
.step .meta{display:flex;justify-content:space-between;gap:12px}
.step .meta b{font:500 12px/1 var(--f-mono);color:var(--signal-text);background:var(--signal-wash);padding:6px 9px;border-radius:999px;white-space:nowrap}
.step h3{font-size:24px;font-weight:600}
.step p{color:var(--graphite)}
@media (max-width:800px){.process{grid-template-columns:1fr;gap:36px}}

/* cases */
.cases{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
@media (max-width:1100px){.cases{grid-template-columns:repeat(2,minmax(0,1fr))}}
.case{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:clamp(24px,3vw,36px);display:grid;gap:18px;align-content:start}
.case h3{font-size:21px;font-weight:600;letter-spacing:-.015em}
.case ul{font-size:15px}
.case > .metric{margin-top:auto}
.case{grid-template-rows:auto auto auto 1fr}
.case > .metric{align-self:end}
.case ul{margin:0;padding:0;display:grid;gap:10px}
.case li{list-style:none;display:grid;grid-template-columns:16px 1fr;gap:10px;color:var(--graphite)}
.case li::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--signal);margin-top:9px}
.metric{border-top:1px solid var(--line);padding-top:18px;display:flex;align-items:baseline;gap:14px;flex-wrap:wrap}
.metric .tbd{font:500 13px/1 var(--f-mono);border:1px dashed var(--graphite);color:var(--graphite);padding:8px 10px;border-radius:8px}
@media (max-width:800px){.cases{grid-template-columns:1fr}}

/* why + founders */
.why{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);gap:clamp(32px,5vw,72px)}
.reasons{display:grid;gap:0}
.reason{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.3fr);gap:16px 32px;padding:24px 0;border-top:1px solid var(--line)}
.reason h3{font-size:20px;font-weight:600}
.reason p{color:var(--graphite)}
.founders{display:grid;gap:16px;align-content:start}
.founder{display:grid;grid-template-columns:72px 1fr;gap:16px;align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:16px}
.founder .ph{width:72px;height:72px;border-radius:12px;background:var(--paper);display:grid;place-items:center;font:500 18px/1 var(--f-mono);color:var(--graphite);border:1px dashed var(--line)}
.founder b{display:block;font-size:17px}
.founder small{color:var(--graphite);font-size:14px}
@media (max-width:860px){.why{grid-template-columns:1fr}.reason{grid-template-columns:1fr}}

/* tools strip */
.strip{display:flex;flex-wrap:wrap;gap:10px}
.strip span{font:500 14px/1 var(--f-body);padding:12px 16px;border:1px solid var(--line);border-radius:999px;background:var(--surface)}
.strip .more{color:var(--graphite);background:transparent;border-style:dashed}

/* faq */
.faq{border-top:1px solid var(--line);max-width:860px}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;gap:24px;padding:22px 0;font-size:19px;font-weight:500;letter-spacing:-.01em}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--f-mono);color:var(--graphite);transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{padding:0 0 24px;color:var(--graphite);max-width:44em}

/* contact */
.contact{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(32px,5vw,72px);align-items:start}
.contact h2{font-size:clamp(36px,5vw,60px);font-weight:600}
.contact .lead{color:var(--graphite);font-size:18px;margin-top:20px;max-width:28em}
.channels{display:grid;gap:10px;margin-top:32px}
.channels div{display:flex;gap:14px;font-size:15px}
.channels .label{width:84px;padding-top:3px}
form{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:clamp(20px,3vw,32px);display:grid;gap:16px}
.field{display:grid;gap:6px}
.field label{font-size:13px;font-weight:500}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
input,textarea{font:inherit;font-size:15px;color:var(--ink);background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:12px 14px;width:100%}
textarea{min-height:110px;resize:vertical}
input:focus,textarea:focus{outline:none;border-color:var(--signal);box-shadow:0 0 0 3px var(--signal-wash)}
.form-note{font-size:13px;color:var(--graphite)}
.form-ok{font-size:14px;color:var(--signal-text);background:var(--signal-wash);padding:12px 14px;border-radius:10px}
@media (max-width:860px){.contact{grid-template-columns:1fr}}
@media (max-width:480px){.row2{grid-template-columns:1fr}}

/* footer */
footer{border-top:1px solid var(--line);padding-block:40px 48px;font-size:14px;color:var(--graphite)}
footer .wrap{display:flex;flex-wrap:wrap;gap:20px 40px;justify-content:space-between;align-items:center}
footer nav{display:flex;gap:20px;flex-wrap:wrap}
footer a{text-decoration:none}
footer a:hover{color:var(--ink)}

/* metrics, facts, founder bios */
.metric{gap:20px 36px}
.metric .m{display:grid;gap:4px}
.metric strong{font:600 clamp(28px,3vw,38px)/1 var(--f-display);letter-spacing:-.03em;color:var(--ink)}
.metric small{font-size:13px;color:var(--graphite);max-width:22em}
.facts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin-bottom:40px}
.facts div{display:grid;gap:6px;border-top:2px solid var(--ink);padding-top:16px}
.facts strong{font:600 clamp(30px,3.4vw,44px)/1 var(--f-display);letter-spacing:-.035em}
.facts span{font-size:14px;color:var(--graphite)}
.founder{align-items:start}
.founder p{font-size:14px;color:var(--graphite);margin-top:8px}
@media (max-width:560px){.facts{grid-template-columns:1fr}}
/* colour: tool tree + service icons */
.branch{height:16px;position:relative}
.branch::before{content:"";position:absolute;left:50%;top:0;width:2px;height:100%;background:var(--line);transform:translateX(-1px)}
.tools{position:relative;padding-top:24px;gap:8px}
.tools::before{content:"";position:absolute;top:0;left:calc(100%/12);right:calc(100%/12);height:2px;background:var(--line)}
.tool{position:relative;gap:4px;align-content:start}
.tool::before{content:"";position:absolute;top:-24px;left:50%;width:2px;height:14px;background:var(--line);transform:translateX(-1px)}
.tool::after{content:"";position:absolute;top:-13px;left:50%;width:9px;height:9px;border-radius:50%;background:var(--signal);transform:translateX(-50%);animation:var(--path) 5s linear infinite}
.tool b{animation:var(--glow) 5s ease-out infinite}
.tool:nth-child(1){--k:2.5;--path:dropC;--glow:pingC}
.tool:nth-child(2){--k:1.5;--path:dropB;--glow:pingB}
.tool:nth-child(3){--k:.5;--path:dropA;--glow:pingA}
.tool:nth-child(4){--k:-.5;--path:dropA;--glow:pingA}
.tool:nth-child(5){--k:-1.5;--path:dropB;--glow:pingB}
.tool:nth-child(6){--k:-2.5;--path:dropC;--glow:pingC}
.branch::after{content:"";position:absolute;left:50%;width:9px;height:9px;border-radius:50%;background:var(--signal);transform:translateX(-50%);top:0;opacity:0;animation:trunk 5s linear infinite}
@keyframes topflow{0%{top:-4px;opacity:0}2%{opacity:1}14%{opacity:1}16%,100%{top:30px;opacity:0}}
@keyframes trunk{0%,23.9%{top:-8px;opacity:0}24%{top:-8px;opacity:1}32%{top:12px;opacity:1}33%,100%{top:12px;opacity:0}}
@keyframes dropA{0%,31.9%{top:-28px;left:calc(50% + var(--k) * (100% + 8px));opacity:0}32%{top:-28px;left:calc(50% + var(--k) * (100% + 8px));opacity:1}35.6%{top:-28px;left:50%;opacity:1}42.8%{top:-9px;left:50%;opacity:1}47.6%,100%{top:-9px;left:50%;opacity:0}}
@keyframes dropB{0%,31.9%{top:-28px;left:calc(50% + var(--k) * (100% + 8px));opacity:0}32%{top:-28px;left:calc(50% + var(--k) * (100% + 8px));opacity:1}42.8%{top:-28px;left:50%;opacity:1}50%{top:-9px;left:50%;opacity:1}54.8%,100%{top:-9px;left:50%;opacity:0}}
@keyframes dropC{0%,31.9%{top:-28px;left:calc(50% + var(--k) * (100% + 8px));opacity:0}32%{top:-28px;left:calc(50% + var(--k) * (100% + 8px));opacity:1}50%{top:-28px;left:50%;opacity:1}57.2%{top:-9px;left:50%;opacity:1}62%,100%{top:-9px;left:50%;opacity:0}}
@keyframes pingA{0%,41.2%{box-shadow:0 0 0 0 transparent;transform:none}46.4%{box-shadow:0 0 0 6px color-mix(in srgb,var(--c) 28%,transparent);transform:translateY(-3px)}58.8%,100%{box-shadow:0 0 0 0 transparent;transform:none}}
@keyframes pingB{0%,48.4%{box-shadow:0 0 0 0 transparent;transform:none}53.6%{box-shadow:0 0 0 6px color-mix(in srgb,var(--c) 28%,transparent);transform:translateY(-3px)}66%,100%{box-shadow:0 0 0 0 transparent;transform:none}}
@keyframes pingC{0%,55.6%{box-shadow:0 0 0 0 transparent;transform:none}60.8%{box-shadow:0 0 0 6px color-mix(in srgb,var(--c) 28%,transparent);transform:translateY(-3px)}73.2%,100%{box-shadow:0 0 0 0 transparent;transform:none}}
.tool b{width:48px;height:48px;border-radius:12px;background:color-mix(in srgb,var(--c) 13%,var(--surface));border:1px solid color-mix(in srgb,var(--c) 28%,var(--line));margin-bottom:4px}
.tool b svg{width:22px;height:22px;stroke:var(--c);stroke-width:1.8}
.tool .tn{font-size:12px;font-weight:600;color:var(--ink);overflow-wrap:anywhere;hyphens:auto}
.tool .td{font-size:11px;color:var(--graphite);line-height:1.3}
.tools-note{margin-top:14px;text-align:center;font-family:var(--f-mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--graphite)}
@media (max-width:480px){.tools::before,.tool::before,.tool::after,.branch::after{display:none}.tools{padding-top:8px}}
.svc svg{width:46px;height:46px;padding:11px;border-radius:12px;stroke:var(--c);background:color-mix(in srgb,var(--c) 13%,transparent)}
.svc:nth-child(1){--c:#1DB954}.svc:nth-child(2){--c:#F26B3A}.svc:nth-child(3){--c:#7B61FF}
.svc:nth-child(4){--c:#3B7BF6}.svc:nth-child(5){--c:#E5A100}.svc:nth-child(6){--c:#0FA3B8}
/* interactive workflows */
.wf-tabs{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}
.wf-tab{font:500 14px/1 var(--f-body);padding:11px 16px;border-radius:999px;border:1px solid var(--line);background:var(--surface);color:var(--ink);cursor:pointer;transition:background .15s,border-color .15s}
.wf-tab:hover{border-color:var(--graphite)}
.wf-tab[aria-selected="true"]{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.wf-board{background:var(--surface);border:1px solid var(--line);border-radius:18px;overflow:hidden}
.wf-bar{display:flex;align-items:center;justify-content:space-between;gap:12px 20px;padding:14px 18px;border-bottom:1px solid var(--line);flex-wrap:wrap}
.wf-title{display:flex;align-items:baseline;gap:12px;min-width:0}
.wf-name{font-size:16px;font-weight:600;letter-spacing:-.01em}
.wf-ctrl{display:flex;align-items:center;gap:12px}
.wf-state{display:inline-flex;align-items:center;gap:8px;font:500 12px/1 var(--f-mono);padding:7px 11px;border-radius:999px;color:var(--graphite);border:1px solid var(--line);white-space:nowrap}
.wf-state::before{content:"";width:7px;height:7px;border-radius:50%;background:currentColor}
.wf-state.running{color:#B97F00;border-color:color-mix(in srgb,#E5A100 40%,var(--line))}
.wf-state.running::before{animation:pulse 1s ease-in-out infinite}
.wf-state.done{color:var(--signal-text);background:var(--signal-wash);border-color:transparent}
.wf-run{padding:10px 16px;font-size:14px}
.wf-run[disabled]{opacity:.55;cursor:default;transform:none}
.wf-canvas{padding:30px 18px;background-color:var(--paper);background-image:radial-gradient(color-mix(in srgb,var(--graphite) 28%,transparent) 1px,transparent 1.2px);background-size:18px 18px}
.flow{display:flex;align-items:center}
.node{flex:1 1 0;min-width:0;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:14px;display:grid;gap:7px;align-content:start;position:relative;transition:border-color .3s,box-shadow .3s,opacity .3s,transform .3s}
.node .ic{width:38px;height:38px;border-radius:10px;display:grid;place-items:center;background:color-mix(in srgb,var(--c) 14%,var(--surface));border:1px solid color-mix(in srgb,var(--c) 28%,var(--line))}
.node .ic svg{width:19px;height:19px;stroke:var(--c);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.node .kind{font:500 10px/1 var(--f-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--graphite)}
.node b{font-size:14px;line-height:1.25;font-weight:600}
.node small{font-size:12px;color:var(--graphite);line-height:1.35}
.wf-board.is-running .node:not(.active):not(.done){opacity:.45}
.node.active{border-color:var(--c);box-shadow:0 0 0 4px color-mix(in srgb,var(--c) 18%,transparent);transform:translateY(-2px)}
.node.done{border-color:color-mix(in srgb,var(--signal) 55%,var(--line))}
.tick{position:absolute;top:10px;right:10px;width:18px;height:18px;border-radius:50%;display:grid;place-items:center;opacity:0;transition:opacity .25s}
.tick svg{width:11px;height:11px;stroke:#fff;fill:none;stroke-width:3;stroke-linecap:round;stroke-linejoin:round}
.node.active .tick{opacity:1;border:2px solid var(--c);border-top-color:transparent;animation:spin .8s linear infinite}
.node.active .tick svg{display:none}
.node.done .tick{opacity:1;background:var(--signal)}
@keyframes spin{to{transform:rotate(360deg)}}
.edge{flex:0 0 28px;height:2px;background:var(--line);position:relative;align-self:center}
.edge i{position:absolute;inset:0;background:var(--signal);transform:scaleX(0);transform-origin:left;transition:transform .4s ease}
.edge.on i{transform:none}
.wf-out{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);border-top:1px solid var(--line)}
.wf-log{padding:16px 18px 18px;border-right:1px solid var(--line);min-width:0}
.lines{margin-top:12px;min-height:150px;font:12px/1.6 var(--f-mono)}
.ln{display:grid;grid-template-columns:54px 74px minmax(0,1fr);gap:10px;padding:4px 0;border-bottom:1px dashed var(--line);animation:lnIn .35s ease}
.ln:last-child{border-bottom:0}
.ln .t{color:var(--graphite)}
.ln .k{color:var(--c);font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.ln .x{overflow-wrap:anywhere}
@keyframes lnIn{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}
.wf-empty{color:var(--graphite);font:14px/1.5 var(--f-body)}
.wf-res{padding:16px 18px 18px;display:grid;gap:18px;align-content:start;min-width:0}
.cmp{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.cmp > div{border:1px solid var(--line);border-radius:12px;padding:12px 14px;display:grid;gap:8px}
.cmp strong{font:600 clamp(22px,2.4vw,28px)/1 var(--f-display);letter-spacing:-.03em}
.cmp .win{background:var(--signal-wash);border-color:transparent}
.cmp .win strong{color:var(--signal-text)}
.kv{display:grid;gap:0;margin:10px 0 0}
.kv > div{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:12px;padding:8px 0;border-bottom:1px solid var(--line);animation:lnIn .35s ease both}
.kv > div:last-child{border-bottom:0}
.kv dt{font-size:13px;color:var(--graphite)}
.kv dd{margin:0;font-size:14px;font-weight:500}
.wf-note{margin-top:14px;font-size:13px;color:var(--graphite)}
@media (max-width:960px){
  .flow{flex-direction:column;align-items:stretch}
  .edge{flex:0 0 18px;width:2px;height:auto;margin-left:32px;align-self:flex-start}
  .edge i{transform:scaleY(0);transform-origin:top}
  .node{grid-template-columns:38px minmax(0,1fr);column-gap:14px;row-gap:3px;padding:12px 14px}
  .node .ic{grid-row:span 3}
  .wf-board.is-running .node.active{transform:translateX(3px)}
  .wf-out{grid-template-columns:1fr}
  .wf-log{border-right:0;border-bottom:1px solid var(--line)}
}
@media (max-width:480px){.ln{grid-template-columns:46px minmax(0,1fr)}.ln .k{display:none}.wf-bar{padding:12px 14px}.wf-canvas{padding:20px 12px}}
/* savings calculator */
.calc{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);border:1px solid var(--line);border-radius:18px;overflow:hidden;background:var(--surface)}
.calc-in{padding:clamp(22px,3vw,36px);display:grid;gap:26px;align-content:start}
.rng-top{display:flex;justify-content:space-between;align-items:baseline;gap:16px}
.rng label{font-size:15px;font-weight:500}
.rng small{display:block;font-size:12px;color:var(--graphite);margin-top:3px}
.rng output{font:600 20px/1 var(--f-display);letter-spacing:-.02em;white-space:nowrap;font-variant-numeric:tabular-nums}
.rng input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:6px;padding:0;border:0;box-shadow:none;border-radius:999px;background:linear-gradient(90deg,var(--signal) var(--p,50%),var(--line) var(--p,50%));margin:14px 0 4px;cursor:pointer}
.rng input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:22px;height:22px;border-radius:50%;background:var(--surface);border:2px solid var(--ink);box-shadow:0 2px 6px rgba(14,17,22,.18)}
.rng input[type=range]::-moz-range-thumb{width:18px;height:18px;border-radius:50%;background:var(--surface);border:2px solid var(--ink)}
.rng input[type=range]:focus,.rng input[type=range]:focus-visible{box-shadow:none;border:0}
.rng input[type=range]:focus-visible{outline:2px solid var(--signal);outline-offset:6px}
.calc-out{background:var(--calc-bg);color:var(--calc-fg);padding:clamp(22px,3vw,36px);display:grid;gap:18px;align-content:start}
.calc-out .label{color:var(--calc-muted)}
.calc-out .big{font:700 clamp(48px,6.4vw,84px)/1 var(--f-display);letter-spacing:-.045em;color:var(--calc-accent);font-variant-numeric:tabular-nums}
.calc-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;border-top:1px solid color-mix(in srgb,var(--calc-fg) 18%,transparent);padding-top:18px}
.calc-row strong{display:block;font:600 clamp(20px,2.2vw,26px)/1.1 var(--f-display);letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.calc-row span{font-size:13px;color:var(--calc-muted)}
.calc-note{font-size:13px;color:var(--calc-muted);max-width:34em}
.calc-btn{background:var(--calc-accent);color:#0E1116;justify-self:start}
@media (max-width:860px){.calc{grid-template-columns:1fr}}
@media (max-width:420px){.calc-row{grid-template-columns:1fr 1fr}}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}html{scroll-behavior:auto}}

/* language switch + German adjustments */
.lang a{padding:6px 9px;text-decoration:none}
.lang a.on{background:var(--ink);color:var(--paper)}
.lang a.off{color:var(--graphite)}
.lang a.off:hover{color:var(--ink)}
.locale[lang="de"] h1, .locale[lang="de"] h2, .locale[lang="de"] h3{hyphens:auto;-webkit-hyphens:auto}
.locale[lang="de"] .hero h1{font-size:clamp(40px,6.2vw,76px)}

/* legal pages */
.legal{max-width:760px;padding-block:clamp(40px,7vw,80px)}
.legal h1{font-size:clamp(34px,5vw,52px);font-weight:600;letter-spacing:-.035em}
.legal h2{font-size:22px;font-weight:600;letter-spacing:-.015em;margin-top:36px}
.legal p,.legal li{color:var(--ink);font-size:16px;line-height:1.65}
.legal p{margin-top:12px}
.legal ul{padding-left:20px;margin:12px 0 0}
.legal .muted{color:var(--graphite)}
.legal .todo{background:color-mix(in srgb,#E5A100 22%,transparent);border-radius:4px;padding:0 4px}
.legal .switch{display:flex;gap:16px;margin-top:20px;font-family:var(--f-mono);font-size:13px}
.legal .switch a{color:var(--graphite)}
.legal section + section{border-top:1px solid var(--line);margin-top:56px;padding-top:40px}
.back{margin-left:auto;font-size:14px;color:var(--graphite);text-decoration:none}
.back:hover{color:var(--ink)}