/* HPO Software — bespoke homepage + contact (2026-10-02). Tokens first, then shared components, then site layer. */
@font-face{font-family:'Space Grotesk';font-style:normal;font-weight:500;font-display:swap;src:url('/assets/fonts/space-grotesk-500-latin.woff2') format('woff2')}
@font-face{font-family:'Space Grotesk';font-style:normal;font-weight:700;font-display:swap;src:url('/assets/fonts/space-grotesk-700-latin.woff2') format('woff2')}
@font-face{font-family:'Inter';font-style:normal;font-weight:400;font-display:swap;src:url('/assets/fonts/inter-400-latin.woff2') format('woff2')}
@font-face{font-family:'Inter';font-style:normal;font-weight:600;font-display:swap;src:url('/assets/fonts/inter-600-latin.woff2') format('woff2')}
@font-face{font-family:'Space Mono';font-style:normal;font-weight:400;font-display:swap;src:url('/assets/fonts/space-mono-400-latin.woff2') format('woff2')}
:root{--bg:#0c0f14;--surface:#131821;--ink:#e6edf3;--muted:#9aa7b4;--line:#232b36;--primary:#a78bfa;--accent:#b8f35a;--link:#c4b5fd;--dark:#07090d;--dark-ink:#e6edf3;--dark-muted:#8d99a6;--dark-line:#222a35;--cta:#b8f35a;--cta-ink:#0c1206;--font-display:'Space Grotesk',Inter,system-ui,sans-serif;--font-body:Inter,system-ui,sans-serif;--font-num:'Space Mono',monospace;--radius:14px;--radius-s:9px;--btn-radius:9px;--maxw:1220px;--hw:700;--htrack:-.025em;--h1max:4rem;--eyebrow:#b8f35a;--field-bg:#0c0f14;--focus:#b8f35a;--avatar-ink:#0c1206;--ftr-bg:#07090d}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:84px}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}
body{margin:0;background:var(--bg);color:var(--ink);font:400 var(--fs-body,17px)/1.6 var(--font-body);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img,svg{max-width:100%;display:block}
a{color:var(--link,var(--primary));text-underline-offset:3px}
h1,h2,h3,h4{font-family:var(--font-display);color:var(--heading,var(--ink));line-height:1.12;margin:0 0 .5em;font-weight:var(--hw,700);letter-spacing:var(--htrack,-.015em)}
h1{font-size:clamp(2.3rem,5.4vw,var(--h1max,4.2rem))}
h2{font-size:clamp(1.7rem,3.2vw,2.6rem)}
h3{font-size:1.18rem;letter-spacing:-.005em}
p{margin:0 0 1em}
.wrap{width:100%;max-width:var(--maxw,1200px);margin:0 auto;padding:0 clamp(16px,4vw,32px)}
.skip{position:absolute;left:-9999px;top:8px;z-index:100;background:var(--ink);color:var(--bg);padding:8px 14px;border-radius:6px}
.skip:focus{left:12px}
:focus-visible{outline:3px solid var(--focus,var(--accent));outline-offset:2px}

/* header */
.hdr{position:sticky;top:0;z-index:50;background:var(--hdr-bg,color-mix(in srgb,var(--bg) 88%,transparent));backdrop-filter:saturate(1.4) blur(10px);-webkit-backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--hdr-line,var(--line))}
.hdr__in{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:68px}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;color:var(--hdr-ink,var(--ink));min-width:0}
.brand svg{width:34px;height:34px;flex:none}
.brand__txt{display:flex;flex-direction:column;line-height:1.15;min-width:0}
.brand__name{font:var(--brand-w,700) 1.08rem/1.1 var(--font-display);letter-spacing:-.01em;white-space:nowrap}
.brand__sub{font-size:.74rem;color:var(--hdr-muted,var(--muted));white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.nav{display:flex;align-items:center;gap:6px}
.nav a{color:var(--hdr-ink,var(--ink));text-decoration:none;font-size:.94rem;font-weight:500;padding:8px 11px;border-radius:var(--radius-s,8px)}
.nav a:hover{background:var(--nav-hover,color-mix(in srgb,var(--ink) 7%,transparent))}
.nav .btn-cta{margin-left:8px;color:var(--cta-ink)}
.nav .btn-cta:hover{background:var(--cta-hover,var(--cta))}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--hdr-line,var(--line));background:transparent;border-radius:10px;cursor:pointer;position:relative;color:var(--hdr-ink,var(--ink))}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{position:absolute;left:12px;right:12px;height:2px;background:currentColor;content:"";border-radius:2px;transition:transform .2s}
.nav-toggle span{top:21px}.nav-toggle span::before{top:-6px;left:0;right:0}.nav-toggle span::after{top:6px;left:0;right:0}
.hdr.open .nav-toggle span{background:transparent}.hdr.open .nav-toggle span::before{transform:translateY(6px) rotate(45deg)}.hdr.open .nav-toggle span::after{transform:translateY(-6px) rotate(-45deg)}
@media (max-width:900px){
  .nav-toggle{display:block}
  .nav{position:absolute;left:0;right:0;top:100%;flex-direction:column;align-items:stretch;gap:2px;padding:10px 16px 18px;background:var(--hdr-solid,var(--bg));border-bottom:1px solid var(--hdr-line,var(--line));display:none}
  .hdr.open .nav{display:flex}
  .nav a{padding:12px 10px}
  .nav .btn-cta{margin:8px 0 0;text-align:center;justify-content:center}
  .brand__sub{display:none}
}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;font:600 .96rem/1 var(--font-body);padding:13px 20px;border-radius:var(--btn-radius,10px);text-decoration:none;border:1px solid transparent;cursor:pointer;transition:transform .15s,background .15s,box-shadow .15s}
.btn:hover{transform:translateY(-1px)}
.btn-cta{background:var(--cta);color:var(--cta-ink);box-shadow:var(--cta-shadow,none)}
.btn-ghost{background:transparent;color:inherit;border-color:currentColor}
.arr{transition:transform .15s}.btn:hover .arr{transform:translateX(3px)}
.eyebrow{display:inline-block;font:600 .78rem/1.2 var(--font-eyebrow,var(--font-body));letter-spacing:.12em;text-transform:uppercase;color:var(--eyebrow,var(--primary));margin-bottom:14px}
.lead{font-size:clamp(1.05rem,1.6vw,1.22rem);color:var(--muted);max-width:62ch}

/* sections */
.sec{padding:clamp(56px,8vw,104px) 0}
.sec--tight{padding:clamp(40px,6vw,72px) 0}
.sec__head{max-width:760px;margin-bottom:clamp(28px,4vw,48px)}
.sec__head p{color:var(--muted);font-size:1.08rem}
.dark{background:var(--dark);color:var(--dark-ink);--ink:var(--dark-ink);--heading:var(--dark-ink);--muted:var(--dark-muted);--line:var(--dark-line)}
.grid2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(16px,2.4vw,28px)}
.grid3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(16px,2.4vw,28px)}
.grid4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:clamp(14px,2vw,22px)}
@media (max-width:980px){.grid3,.grid4{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:640px){.grid2,.grid3,.grid4{grid-template-columns:1fr}}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius,14px);padding:clamp(20px,2.4vw,28px);box-shadow:var(--card-shadow,none)}
.card p{color:var(--muted);margin:0}
.card h3{margin-bottom:.45em}
.ico{width:42px;height:42px;border-radius:var(--radius-s,10px);display:grid;place-items:center;background:var(--ico-bg,color-mix(in srgb,var(--primary) 12%,transparent));color:var(--primary);margin-bottom:16px}
.ico svg{width:22px;height:22px}
.ticks{list-style:none;padding:0;margin:18px 0 0;display:flex;flex-wrap:wrap;gap:8px 18px;color:var(--muted);font-size:.93rem}
.ticks li::before{content:"✓";color:var(--accent);font-weight:700;margin-right:7px}
.steps{list-style:none;padding:0;margin:0;counter-reset:s;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:clamp(14px,2vw,24px)}
@media (max-width:900px){.steps{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:560px){.steps{grid-template-columns:1fr}}
.steps li{counter-increment:s;position:relative;padding-top:52px}
.steps li::before{content:counter(s,decimal-leading-zero);position:absolute;top:0;left:0;font:700 1.9rem/1 var(--font-num,var(--font-display));color:var(--accent)}
.steps b{display:block;font:700 1.12rem/1.3 var(--font-display);margin-bottom:6px;color:var(--heading,var(--ink))}
.steps span{color:var(--muted);font-size:.97rem}
.list-check{list-style:none;padding:0;margin:0}
.list-check li{padding:10px 0 10px 30px;border-top:1px solid var(--line);position:relative}
.list-check li::before{content:"";position:absolute;left:4px;top:18px;width:12px;height:7px;border-left:2px solid var(--accent);border-bottom:2px solid var(--accent);transform:rotate(-45deg)}
.faq details{border-top:1px solid var(--line);padding:16px 0}
.faq details:last-child{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;font:600 1.05rem/1.4 var(--font-display);list-style:none;display:flex;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.4rem;line-height:1;color:var(--accent)}
.faq details[open] summary::after{content:"–"}
.faq p{color:var(--muted);margin:10px 0 0;max-width:70ch}

/* tools (client-side widgets) */
.tool{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius,14px);padding:clamp(20px,3vw,32px)}
.tool label{display:block;font-weight:600;font-size:.92rem;margin:0 0 6px}
.tool input,.tool select,.ct-form input,.ct-form select,.ct-form textarea{width:100%;font:inherit;font-size:1rem;padding:11px 13px;border:1px solid var(--field-line,var(--line));border-radius:var(--radius-s,10px);background:var(--field-bg,var(--bg));color:var(--ink)}
.tool input[type=range]{padding:0;border:0;background:none;accent-color:var(--primary)}
.tool .out{font:700 clamp(1.6rem,3vw,2.2rem)/1.1 var(--font-num,var(--font-display));color:var(--primary)}
.tool .hint{font-size:.85rem;color:var(--muted)}

/* CTA band */
.cta{border-radius:calc(var(--radius,14px) + 6px);padding:clamp(28px,5vw,56px);display:grid;grid-template-columns:1.4fr 1fr;gap:clamp(20px,4vw,48px);align-items:center}
@media (max-width:820px){.cta{grid-template-columns:1fr}}
.cta__card{background:var(--cta-card-bg,color-mix(in srgb,var(--dark-ink) 8%,transparent));border:1px solid var(--dark-line);border-radius:var(--radius,14px);padding:22px;display:flex;flex-direction:column;gap:14px}
.person{display:flex;gap:12px;align-items:center}
.avatar{width:46px;height:46px;border-radius:50%;display:grid;place-items:center;font:700 1.1rem var(--font-display);background:var(--accent);color:var(--avatar-ink,#fff);flex:none}
.person b{display:block}.person span{font-size:.88rem;color:var(--muted)}
.mailto{font-weight:600;word-break:break-all}

/* reference library (articles tucked away, still crawlable) */
.refs{padding:26px 0 30px;border-top:1px solid var(--line);background:var(--refs-bg,transparent)}
.refs__row{display:flex;flex-wrap:wrap;gap:4px 14px;font-size:.78rem;line-height:1.7}
.refs__h{font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.08em;font-size:.7rem;width:100%}
.refs a{color:var(--muted);text-decoration:none}
.refs a:hover{color:var(--ink);text-decoration:underline}
.refs .sf-xl{margin-top:14px;font-size:.74rem;color:var(--muted)}
.refs .sf-xl a{color:var(--muted)}
.refs .sf-xl h2,.refs .sf-xl h3{font-size:.72rem;text-transform:uppercase;letter-spacing:.08em;margin:0 0 4px;color:var(--muted);font-family:var(--font-body)}
.refs .sf-xl ul{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:2px 14px}

/* footer */
.ftr{background:var(--ftr-bg,var(--dark));color:var(--ftr-ink,var(--dark-ink));padding:56px 0 26px;--muted:var(--ftr-muted,var(--dark-muted));--ink:var(--ftr-ink,var(--dark-ink));--line:var(--ftr-line,var(--dark-line))}
.ftr a{color:var(--ftr-ink,var(--dark-ink));text-decoration:none}
.ftr a:hover{text-decoration:underline}
.ftr .brand{color:var(--ftr-ink,var(--dark-ink));margin-bottom:12px}
.ftr__grid{display:grid;grid-template-columns:1.6fr repeat(3,1fr);gap:32px}
@media (max-width:820px){.ftr__grid{grid-template-columns:1fr 1fr}.ftr__about{grid-column:1/-1}}
.ftr p{color:var(--muted);font-size:.93rem;max-width:44ch}
.ftr h4{font:700 .76rem/1 var(--font-body);text-transform:uppercase;letter-spacing:.12em;color:var(--muted);margin:6px 0 14px}
.ftr ul{list-style:none;padding:0;margin:0;display:grid;gap:9px;font-size:.93rem}
.ftr__bot{margin-top:40px;padding-top:20px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:12px 28px;justify-content:space-between;font-size:.82rem;color:var(--muted)}
.langs{display:flex;flex-wrap:wrap;gap:4px 12px}
.langs a{color:var(--muted)}
.langs a[aria-current]{color:var(--ftr-ink,var(--dark-ink));font-weight:600}

/* contact page */
.ct-hero{padding:clamp(48px,7vw,88px) 0 clamp(24px,3vw,36px)}
.ct-hero h1{max-width:18ch}
.ct-body{padding:0 0 clamp(48px,7vw,88px)}
.ct-grid{display:grid;grid-template-columns:1.5fr 1fr;gap:clamp(20px,4vw,48px);align-items:start}
@media (max-width:860px){.ct-grid{grid-template-columns:1fr}}
.ct-form{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius,14px);padding:clamp(20px,3vw,34px);display:grid;gap:16px}
.ct-form label{display:grid;gap:6px;font-weight:600;font-size:.92rem}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media (max-width:560px){.row2{grid-template-columns:1fr}}
.ct-form .btn{justify-self:start}
.ct-note,.ct-small{font-size:.84rem;color:var(--muted);margin:0}
.ct-side{display:grid;gap:18px}
.ct-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius,14px);padding:22px}
.ct-card h3{font-size:1.02rem}
.ct-card p{color:var(--muted);font-size:.95rem}
.ct-person{display:grid;grid-template-columns:auto 1fr;gap:6px 14px;align-items:center}
.ct-person p,.ct-person .mailto{grid-column:1/-1;margin:6px 0 0}
.ct-person b{display:block}.ct-person span{font-size:.88rem;color:var(--muted)}
.ct-steps{margin:0;padding-left:20px;display:grid;gap:10px;font-size:.94rem}
.ct-steps b{display:block}.ct-steps span{color:var(--muted)}
.ct-faq{padding:0 0 clamp(56px,8vw,96px)}
.ct-faq .wrap{max-width:860px}
.ct-faq details{border-top:1px solid var(--line);padding:16px 0}
.ct-faq summary{cursor:pointer;font:600 1.04rem/1.4 var(--font-display)}
.ct-faq p{color:var(--muted);margin:10px 0 0}

/* grid/flex children may shrink below their content (long code lines, wide tables scroll inside their own box) */
.hero__grid>*,.two>*,.est>*,.calc>*,.brief>*,.req>*,.be>*,.an>*,.idea>*,.score>*,.faq__grid>*,.grid2>*,.grid3>*,.grid4>*,.ct-grid>*,.feat>*{min-width:0}
pre{max-width:100%}


body{--font-mono:'Space Mono',ui-monospace,monospace}
.hdr{--hdr-bg:rgba(12,15,20,.82)}
.hero{padding:clamp(48px,7vw,96px) 0 clamp(56px,8vw,104px);background:radial-gradient(900px 500px at 85% 10%,rgba(167,139,250,.16),transparent 60%),radial-gradient(700px 420px at 0% 100%,rgba(184,243,90,.08),transparent 60%)}
.hero__grid{display:grid;grid-template-columns:1.05fr 1fr;gap:clamp(28px,5vw,64px);align-items:center}
@media (max-width:960px){.hero__grid{grid-template-columns:1fr}}
.hero h1 em{font-style:normal;color:var(--accent)}
.hero__cta{display:flex;flex-wrap:wrap;gap:12px;margin:26px 0 6px}
.eyebrow .dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--accent);margin-right:9px;box-shadow:0 0 0 4px rgba(184,243,90,.18)}
.editor{position:relative;background:#0f131a;border:1px solid #273041;border-radius:14px;box-shadow:0 30px 80px -30px rgba(0,0,0,.8);padding-bottom:70px}
.editor__bar{display:flex;align-items:center;gap:6px;padding:10px 12px;border-bottom:1px solid #222a37;font:400 .74rem var(--font-mono);color:#7d8a99}
.dots{display:flex;gap:6px;margin-right:8px}.dots i{width:10px;height:10px;border-radius:50%;background:#2a3240;display:block}
.dots i:first-child{background:#ff5f57}.dots i:nth-child(2){background:#febc2e}.dots i:nth-child(3){background:#28c840}
.tab{padding:4px 10px;border-radius:6px}.tab.on{background:#1a2130;color:#d5dde6}
.editor__code{margin:0;padding:16px 18px;font:400 .8rem/1.75 var(--font-mono);color:#d5dde6;overflow-x:auto;white-space:pre}
.ln{display:inline-block;width:22px;color:#4a5566;user-select:none}
.c{color:#6b7a8c}.k{color:#c792ea}.t{color:#82aaff}.f{color:#b8f35a}.s{color:#f7c873}
.cur{display:inline-block;width:8px;height:15px;background:var(--accent);vertical-align:-2px;margin-left:2px;animation:blink 1.1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
.preview{position:absolute;right:-14px;bottom:-26px;width:min(330px,82%);background:#f4f6fb;color:#1b2230;border-radius:12px;box-shadow:0 24px 50px -18px rgba(0,0,0,.7);padding:14px;font-size:.8rem}
@media (max-width:560px){.preview{right:8px}}
.preview__h{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}
.pill{font:600 .66rem/1 var(--font-body);background:#e9e2ff;color:#5b3fd6;padding:5px 8px;border-radius:99px}
.preview__row{display:grid;grid-template-columns:72px 1fr auto;gap:8px;padding:7px 0;border-top:1px solid #e3e7ef;font-family:var(--font-mono);font-size:.72rem}
.amt{color:#b4471b;font-weight:700}
.sec--alt{background:#0f131a;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.bento{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-auto-rows:minmax(180px,auto);gap:16px}
.b-wide,.b-wide2{grid-column:span 2}.b-tall{grid-row:2 / span 2;grid-column:3}
@media (max-width:900px){.bento{grid-template-columns:1fr 1fr}.b-tall{grid-column:auto;grid-row:auto}.b-wide2{grid-column:span 2}}
@media (max-width:600px){.bento{grid-template-columns:1fr}.b-wide,.b-wide2{grid-column:auto}}
.est .hint{color:var(--muted)}
.card{transition:border-color .2s,transform .2s}.card:hover{border-color:#3b4658;transform:translateY(-2px)}
.chips{list-style:none;padding:0;margin:16px 0 0;display:flex;flex-wrap:wrap;gap:8px}
.chips li{font:400 .74rem var(--font-mono);border:1px solid #2c3442;border-radius:99px;padding:5px 10px;color:#b9c4cf}
.mono{font:400 .76rem var(--font-mono)!important;color:var(--accent)!important;margin-top:14px!important}
.est{display:grid;grid-template-columns:1fr 1.1fr;gap:clamp(24px,5vw,64px);align-items:center}
@media (max-width:900px){.est{grid-template-columns:1fr}}
.sl{margin-bottom:16px}.sl label{display:flex;justify-content:space-between}.sl output{font-family:var(--font-mono);color:var(--accent)}
.est__out{display:grid;grid-template-columns:1fr 1fr;gap:16px;border-top:1px solid var(--line);padding-top:18px;margin-top:6px}
.fit{font:600 1.02rem/1.3 var(--font-display);margin-top:6px}
.term{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;border:1px solid var(--line);border-radius:14px;overflow:hidden}
@media (max-width:900px){.term{grid-template-columns:1fr 1fr}}@media (max-width:560px){.term{grid-template-columns:1fr}}
.term li{padding:22px;border-right:1px solid var(--line);background:#10141b}.term li:last-child{border-right:0}
@media (max-width:900px){.term li{border-bottom:1px solid var(--line)}}
.term code{display:block;font:400 .78rem var(--font-mono);color:var(--accent);margin-bottom:14px}
.term b{display:block;font:700 1.1rem var(--font-display);margin-bottom:6px}.term span{color:var(--muted);font-size:.95rem}
.tbl{overflow-x:auto;border:1px solid var(--line);border-radius:14px}
.tbl table{width:100%;border-collapse:collapse;min-width:640px;font-size:.95rem}
.tbl th,.tbl td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--line)}
.tbl thead th{font:600 .8rem var(--font-mono);text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}
.tbl tbody th{font-weight:600}.tbl td{color:var(--muted)}
.tbl .hl{background:rgba(167,139,250,.08);color:var(--ink)}.tbl thead .hl{color:var(--primary)}
.tag{display:inline-block;font:400 .72rem var(--font-mono);color:var(--accent);border:1px solid rgba(184,243,90,.35);padding:4px 9px;border-radius:99px;margin-bottom:14px}
.faq__grid{display:grid;grid-template-columns:.8fr 1.4fr;gap:clamp(20px,5vw,64px)}
@media (max-width:820px){.faq__grid{grid-template-columns:1fr}}
.cta{background:linear-gradient(135deg,#171c27,#0d1016);border:1px solid #2a3342}
.refs{--refs-bg:#0a0d12}