/* Biosolo+ — site stylesheet. Flat colour fields, one idea per field, verb-led sentences. */
:root{
  color-scheme: light;
  --surface:#f4f6f0; --raised:#ffffff; --sunken:#e9ede3; --line:#d6ddcf;
  --ink:#182316; --muted:#5a6a55;
  --moss:#2d5a27; --moss-deep:#244a1f; --on-moss:#ffffff; --moss-soft:#e2ecdc;
  --field:#4f9f3a; --field-bright:#8fd97e;
  --straw:#e2b24a; --on-straw:#2a1f08;
  --focus:#1f5fcf;
  --display:"Fraunces",Georgia,"Times New Roman",serif;
  --text:"IBM Plex Sans",-apple-system,"Segoe UI",Helvetica,Arial,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,Menlo,monospace;
  --gutter:clamp(20px,5vw,80px);
  --section:clamp(72px,11vw,144px);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
html,body{margin:0}
body{background:var(--surface);color:var(--ink);font-family:var(--text);font-size:18px;line-height:1.55;-webkit-font-smoothing:antialiased}
a{color:inherit}
h1,h2,h3,p,ul,ol{margin:0}
img{max-width:100%}
.wrap{padding-inline:var(--gutter);max-width:1360px;margin-inline:auto}
section{padding-block:var(--section)}
.big{font-family:var(--display);font-weight:700;letter-spacing:-0.02em;line-height:.98;text-wrap:balance;font-variation-settings:"opsz" 144,"SOFT" 30}
.mid{font-family:var(--display);font-weight:600;letter-spacing:-0.015em;line-height:1.08;text-wrap:balance;font-variation-settings:"opsz" 72,"SOFT" 30}
.mono{font-family:var(--mono);font-weight:500;font-variant-numeric:tabular-nums}
.label{font:600 12px/16px var(--text);letter-spacing:.1em;text-transform:uppercase}
.lead{font-size:clamp(19px,2vw,24px);line-height:1.45;max-width:30em}
:focus-visible{outline:2px solid var(--focus);outline-offset:3px}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:#fff;padding:8px 12px;border-radius:6px;z-index:100}
.skip:focus{left:8px}

/* header */
header{border-bottom:1px solid var(--line);background:var(--surface)}
header .bar{display:flex;align-items:center;gap:28px;padding-block:20px}
.brand{font:700 27px/1 var(--display);letter-spacing:-0.02em;text-decoration:none;margin-right:auto;font-variation-settings:"opsz" 48,"SOFT" 30}
.brand span{color:var(--field)}
header nav ul{display:flex;gap:28px;list-style:none;padding:0}
header nav a{text-decoration:none;font-weight:500;padding-block:4px;border-bottom:2px solid transparent}
header nav a:hover{border-bottom-color:var(--line)}
.lang{font:600 12px/16px var(--text);letter-spacing:.1em;padding:7px 12px;border:1px solid var(--line);border-radius:999px;text-decoration:none;color:var(--ink)}
.lang:hover{border-color:var(--ink)}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:52px;padding:14px 22px;border-radius:8px;border:1px solid transparent;font:500 17px/1 var(--text);text-decoration:none;cursor:pointer;transition:background-color .12s,border-color .12s,color .12s}
.btn-primary{background:var(--moss);color:var(--on-moss)}
.btn-primary:hover{background:var(--moss-deep)}
.btn-ink{background:var(--ink);color:#fff}
.btn-ink:hover{background:#000}
.btn-outline{background:transparent;border-color:currentColor}
.btn-outline:hover{background:rgba(0,0,0,.06)}
.btn-sm{min-height:42px;padding:10px 16px;font-size:15px}
.on-moss .btn-primary{background:#fff;color:var(--moss)}
.on-moss .btn-primary:hover{background:var(--moss-soft)}
.cta{display:flex;gap:14px;flex-wrap:wrap}

/* fields */
.on-moss{background:var(--moss);color:var(--on-moss)}
.on-moss .label{color:var(--field-bright)}
.on-straw{background:var(--straw);color:var(--on-straw)}
.on-raised{background:var(--raised)}

/* hero */
.hero .big{font-size:clamp(40px,6.5vw,88px);max-width:13ch;margin-top:28px}
.hero .lead{margin-top:40px}
.hero .cta{margin-top:40px}
.hero .plus{color:var(--field-bright)}

/* services list — every row is the action */
.services .intro{color:var(--muted);margin-bottom:40px}
.list{list-style:none;padding:0}
.list li{border-top:1px solid var(--line)}
.list li:last-child{border-bottom:1px solid var(--line)}
.row{appearance:none;background:none;width:100%;text-align:left;color:inherit;font:inherit;cursor:pointer;position:relative;
  display:grid;grid-template-columns:4ch 1fr auto;gap:0 24px;align-items:baseline;padding:32px 8px;
  /* 1px transparent border whose top/bottom sit exactly on the list hairlines (hence the -1px margins) */
  border:1px solid transparent;margin:-1px -8px;width:calc(100% + 16px);border-radius:8px;
  transition:background-color .15s,border-color .15s}
.row:hover,.row:focus-visible{background:var(--raised);border-color:var(--line);z-index:1}
.row:focus-visible{outline:2px solid var(--focus);outline-offset:-3px}
.row .n{font:500 clamp(16px,1.6vw,22px)/1 var(--mono);color:var(--muted);padding-top:.35em}
.row .mid{font-size:clamp(26px,3.4vw,44px);transition:color .15s}
.row:hover .mid,.row:focus-visible .mid{color:var(--moss)}
.row .sub{grid-column:2;margin-top:14px;color:var(--muted);font-size:17px;max-width:44em}
.row .sub .tag{margin-right:10px}
.row .go{grid-column:3;grid-row:1 / span 2;align-self:center;display:flex;align-items:center;gap:12px;color:var(--moss);font:500 15px/1 var(--text);white-space:nowrap}
.row .go span{opacity:0;transform:translateX(8px);transition:opacity .2s,transform .2s}
.row .go svg{width:40px;height:40px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;opacity:0;transform:translateX(-16px);transition:opacity .22s,transform .22s cubic-bezier(.2,.8,.2,1)}
.row:hover .go svg,.row:focus-visible .go svg{opacity:1;transform:translateX(0)}
.row:hover .go span,.row:focus-visible .go span{opacity:1;transform:translateX(0);transition-delay:.05s}
.tag{display:inline-block;padding:4px 10px;border-radius:4px;background:var(--moss-soft);color:var(--moss);font:600 12px/16px var(--text);letter-spacing:.08em;text-transform:uppercase;vertical-align:middle}

/* contact form (dialog) — opens with a short rise and fade, closes a touch faster */
dialog.form{border:0;border-radius:12px;padding:0;max-width:min(560px,calc(100vw - 32px));width:100%;background:var(--raised);color:var(--ink);box-shadow:0 24px 64px rgba(24,35,22,.28);
  opacity:0;transform:translateY(14px) scale(.985);
  transition:opacity .22s ease-out,transform .28s cubic-bezier(.2,.8,.2,1),overlay .28s allow-discrete,display .28s allow-discrete}
dialog.form[open]{opacity:1;transform:none}
@starting-style{dialog.form[open]{opacity:0;transform:translateY(14px) scale(.985)}}
dialog.form::backdrop{background:rgba(24,35,22,0);backdrop-filter:blur(0px);transition:background-color .28s ease-out,backdrop-filter .28s ease-out,overlay .28s allow-discrete,display .28s allow-discrete}
dialog.form[open]::backdrop{background:rgba(24,35,22,.55);backdrop-filter:blur(3px)}
@starting-style{dialog.form[open]::backdrop{background:rgba(24,35,22,0);backdrop-filter:blur(0px)}}
dialog.form.closing{opacity:0;transform:translateY(8px) scale(.99);transition-duration:.16s,.18s}
dialog.form.closing::backdrop{background:rgba(24,35,22,0);backdrop-filter:blur(0px);transition-duration:.18s}
dialog.form form > *{opacity:0;transform:translateY(6px);transition:opacity .3s ease-out,transform .3s cubic-bezier(.2,.8,.2,1)}
dialog.form[open] form > *{opacity:1;transform:none}
dialog.form[open] form > :nth-child(2){transition-delay:.04s}
dialog.form[open] form > :nth-child(3){transition-delay:.07s}
dialog.form[open] form > :nth-child(4){transition-delay:.10s}
dialog.form[open] form > :nth-child(5){transition-delay:.13s}
dialog.form[open] form > :nth-child(6){transition-delay:.16s}
dialog.form.closing form > *{opacity:0;transition-delay:0s;transition-duration:.12s}
dialog.form form{padding:32px;display:grid;gap:18px}
dialog.form .head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}
dialog.form h2{font-size:clamp(24px,3vw,32px)}
dialog.form .subject{display:inline-block;margin-top:10px}
dialog.form .close{appearance:none;background:none;border:0;cursor:pointer;color:var(--muted);font-size:28px;line-height:1;padding:4px;margin:-4px -4px 0 0}
dialog.form .close:hover{color:var(--ink)}
dialog.form label{display:grid;gap:6px;font:600 13px/1 var(--text);letter-spacing:.04em;color:var(--muted)}
dialog.form input,dialog.form textarea{font:400 17px/1.4 var(--text);color:var(--ink);background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:12px 14px;width:100%}
dialog.form input:focus,dialog.form textarea:focus{outline:2px solid var(--focus);outline-offset:1px;border-color:transparent}
dialog.form textarea{min-height:120px;resize:vertical}
dialog.form .two{display:grid;grid-template-columns:1fr 1fr;gap:14px}
dialog.form .foot{display:flex;flex-wrap:wrap;gap:12px 20px;align-items:center;justify-content:space-between;margin-top:8px}
dialog.form .alt{font-size:15px;color:var(--muted)}
dialog.form .alt a{font-family:var(--mono);font-weight:500;color:var(--ink);text-decoration:none}
dialog.form .note{font-size:14px;color:var(--muted);margin-top:-6px}
@media (max-width:560px){dialog.form .two{grid-template-columns:1fr}dialog.form form{padding:24px}}

/* about */
.about .grid{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(32px,6vw,96px);align-items:center}
.about .mid{font-size:clamp(28px,3.4vw,44px);margin-top:24px}
.about img{width:100%;aspect-ratio:4/5;object-fit:cover;border-radius:8px;display:block}
.about .by{margin-top:28px;color:var(--muted)}
.about .by b{display:block;color:var(--ink);font-weight:600;margin-top:16px}
.about .cta{margin-top:32px}

/* straw */
.straw .mid{font-size:clamp(28px,3.6vw,48px);max-width:24em;margin-top:24px}
.straw .row{display:grid;grid-template-columns:1fr auto;gap:32px;align-items:end;margin-top:36px}
.straw .mono{font-size:clamp(16px,1.6vw,22px)}

/* facts */
.facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:40px 32px}
.facts .k{color:var(--muted);margin-bottom:10px}
.facts .v{font-size:19px;line-height:1.4}
.facts .v.mono{font-size:22px}
.logos{margin-top:64px;padding-top:32px;border-top:1px solid var(--line)}
.logos p{color:var(--muted);font-size:15px;margin-bottom:16px}
.logos .row{display:flex;flex-wrap:wrap;gap:16px 28px;align-items:center}
.logos img{max-height:34px;max-width:200px;filter:grayscale(1);opacity:.8}

/* contact */
.contact .big{font-size:clamp(36px,5.5vw,76px);max-width:14ch;margin-top:28px}
.contact .ways{margin-top:48px;display:flex;flex-direction:column;gap:12px}
.contact .ways a{font:700 clamp(22px,3vw,40px)/1.1 var(--display);letter-spacing:-0.02em;text-decoration:none;color:var(--field-bright);width:fit-content;word-break:break-word}
.contact .ways a:hover{color:#fff}
.contact .small{margin-top:40px;color:rgba(255,255,255,.78);max-width:40em}

footer{padding-block:40px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:12px 32px;justify-content:space-between;color:var(--muted);font-size:15px}
footer a{text-decoration:none}
footer a:hover{text-decoration:underline;text-underline-offset:3px}

header{position:sticky;top:0;z-index:20;transition:box-shadow .25s,background-color .25s}
header.scrolled{box-shadow:0 1px 0 var(--line),0 8px 24px rgba(24,35,22,.06);background:rgba(244,246,240,.92);backdrop-filter:saturate(1.2) blur(8px)}

@media (max-width:820px){
  header nav{display:none}
  .row{grid-template-columns:3ch 1fr;padding-block:26px}
  .row .go{grid-column:2;grid-row:3;justify-self:start;margin-top:14px}
  .row .go svg,.row .go span{opacity:1;transform:none}
  .row .go svg{width:28px;height:28px}
  .about .grid{grid-template-columns:1fr}
  .about img{aspect-ratio:16/10}
  .straw .row{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition:none!important}
}