/* Oxyloom — laccase.bio — deep-teal scientific theme */
:root{
  --c-bg:#06231F;
  --c-panel:#0B2E28;
  --c-panel-2:#0F3830;
  --c-accent:#E07A3F;
  --c-accent-2:#F4A365;
  --c-text:#DDF3EA;
  --c-dim:rgba(221,243,234,.68);
  --c-line:rgba(224,122,63,.32);
  --c-line-soft:rgba(221,243,234,.14);
  --radius:12px;
  --rail-w:270px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
html,body{overflow-x:hidden;max-width:100%}
body{margin:0;font-family:var(--f-body);color:var(--c-text);background:var(--c-bg);line-height:1.7;-webkit-font-smoothing:antialiased}
img,video{max-width:100%;height:auto}
a{color:inherit}
.wrap{max-width:960px;margin:0 auto;padding:0 28px}
h1,h2,h3{font-family:var(--f-disp);line-height:1.16;color:var(--c-text);font-weight:600;letter-spacing:-.01em;margin:0}
section{padding:60px 0}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ---------- shell / side rail ---------- */
.shell{position:relative;min-height:100vh}
.topbar{display:none}
.rail-scrim{display:none}

.rail{
  position:fixed;top:0;left:0;bottom:0;width:var(--rail-w);
  background:var(--c-panel);
  border-right:1px solid var(--c-line);
  display:flex;flex-direction:column;
  z-index:40;
}
.rail-top{padding:26px 22px 18px;border-bottom:1px solid var(--c-line-soft)}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--c-text)}
.brand-mark{color:var(--c-accent);flex-shrink:0}
.brand-text{display:flex;flex-direction:column;line-height:1.05}
.brand-text strong{font-family:var(--f-disp);font-weight:700;font-size:19px;letter-spacing:-.01em}
.brand-text em{font-style:normal;font-family:var(--f-disp);font-weight:500;font-size:10.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--c-accent-2)}
.rail-tagline{margin:14px 0 0;font-size:13px;color:var(--c-dim);line-height:1.55;font-family:var(--f-body)}

.rail-nav{flex:1;overflow-y:auto;padding:14px 14px 10px;scrollbar-width:thin;scrollbar-color:var(--c-line) transparent}
.rail-nav::-webkit-scrollbar{width:6px}
.rail-nav::-webkit-scrollbar-thumb{background:var(--c-line);border-radius:6px}
.rail-link{display:block;padding:9px 12px;border-radius:8px;text-decoration:none;color:var(--c-dim);font-size:13.5px;font-family:var(--f-disp);font-weight:500;letter-spacing:.01em;transition:background .16s ease,color .16s ease}
.rail-link:hover{background:color-mix(in srgb,var(--c-accent) 14%,transparent);color:var(--c-text)}
.rail-link-home{color:var(--c-text);font-weight:600;margin-bottom:6px}
.rail-group{margin-top:14px}
.rail-group-title{display:block;padding:0 12px 6px;font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--c-accent-2);font-weight:600;font-family:var(--f-disp)}

.rail-bottom{padding:16px 18px 20px;border-top:1px solid var(--c-line-soft);display:flex;flex-direction:column;gap:14px}
.rail-cta{width:100%;text-align:center}

.rail-lang{position:relative}
.rail-lang-toggle{width:100%;display:flex;align-items:center;gap:9px;padding:10px 12px;border-radius:9px;border:1px solid var(--c-line);background:transparent;color:var(--c-text);font:inherit;font-size:13px;font-family:var(--f-disp);font-weight:500;cursor:pointer}
.rail-lang-toggle span{flex:1;text-align:left;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.rail-lang-toggle .chev{transition:transform .18s ease;flex-shrink:0}
.rail-lang.is-open .rail-lang-toggle .chev{transform:rotate(180deg)}
.rail-lang-toggle:hover{border-color:var(--c-accent)}
.rail-lang-list{list-style:none;margin:0;padding:6px;position:absolute;bottom:calc(100% + 8px);left:0;right:0;max-height:260px;overflow-y:auto;background:var(--c-panel-2);border:1px solid var(--c-line);border-radius:10px;box-shadow:0 18px 40px -18px rgba(0,0,0,.6);display:none;z-index:50}
.rail-lang.is-open .rail-lang-list{display:block}
.rail-lang-list a{display:block;padding:9px 10px;border-radius:7px;text-decoration:none;color:var(--c-dim);font-size:13px}
.rail-lang-list a:hover{background:color-mix(in srgb,var(--c-accent) 16%,transparent);color:var(--c-text)}
.rail-lang-list a[aria-current="true"]{color:var(--c-accent-2);font-weight:600}

.main{margin-left:var(--rail-w);min-width:0}

/* ---------- buttons / kicker ---------- */
.kicker{display:inline-flex;align-items:center;gap:8px;font-family:var(--f-disp);font-weight:600;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--c-accent-2)}
.kicker::before{content:"";width:20px;height:1.5px;background:var(--c-accent)}
.kicker-light{color:var(--c-accent-2)}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:600;padding:13px 24px;border-radius:8px;text-decoration:none;font-size:14.5px;letter-spacing:.01em;border:1px solid transparent;cursor:pointer;font-family:var(--f-disp);transition:transform .18s ease,background .18s ease,color .18s ease,border-color .18s ease}
.btn-accent{background:var(--c-accent);color:#0A1613}
.btn-accent:hover{transform:translateY(-2px);background:var(--c-accent-2)}
.btn-outline{background:transparent;color:var(--c-text);border-color:var(--c-line)}
.btn-outline:hover{border-color:var(--c-accent);color:var(--c-accent-2);transform:translateY(-2px)}

/* ---------- mobile toggle ---------- */
.rail-toggle{display:none;flex-direction:column;justify-content:center;gap:4px;width:36px;height:36px;background:none;border:1px solid var(--c-line);border-radius:8px;cursor:pointer;padding:0}
.rail-toggle span{display:block;width:16px;height:1.5px;background:var(--c-text);margin:0 auto;border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.shell.rail-open .rail-toggle span:nth-child(1){transform:translateY(5.5px) rotate(45deg)}
.shell.rail-open .rail-toggle span:nth-child(2){opacity:0}
.shell.rail-open .rail-toggle span:nth-child(3){transform:translateY(-5.5px) rotate(-45deg)}

/* ---------- hero ---------- */
.hero{position:relative;min-height:90vh;display:flex;align-items:flex-end;color:var(--c-text);overflow:hidden;isolation:isolate}
.hero video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(6,35,31,.96) 0%,rgba(6,35,31,.86) 38%,rgba(6,35,31,.55) 68%,rgba(6,35,31,.3) 100%);z-index:1}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(6,35,31,.9),transparent 45%);z-index:1}
.hero-texture{position:absolute;inset:0;z-index:1;pointer-events:none;opacity:.55;mix-blend-mode:screen;
  background-image:
    radial-gradient(1.5px 1.5px at 12% 22%, rgba(224,122,63,.55) 40%, transparent 41%),
    radial-gradient(1.5px 1.5px at 28% 62%, rgba(224,122,63,.45) 40%, transparent 41%),
    radial-gradient(1.5px 1.5px at 46% 18%, rgba(224,122,63,.4) 40%, transparent 41%),
    radial-gradient(1.5px 1.5px at 64% 48%, rgba(224,122,63,.5) 40%, transparent 41%),
    radial-gradient(1.5px 1.5px at 80% 28%, rgba(224,122,63,.4) 40%, transparent 41%),
    radial-gradient(1.5px 1.5px at 90% 70%, rgba(224,122,63,.45) 40%, transparent 41%),
    linear-gradient(115deg, transparent 46%, rgba(224,122,63,.14) 47%, transparent 48%),
    linear-gradient(35deg, transparent 62%, rgba(120,242,208,.08) 63%, transparent 64%);
  background-size:100% 100%;
}
.hero-inner{position:relative;z-index:2;padding-bottom:58px;width:100%}
.hero-copy{max-width:640px}
.hero h1{color:#fff;font-size:clamp(30px,4.6vw,52px);max-width:17ch;margin:14px 0 0}
.hero p{font-size:17.5px;max-width:52ch;margin:16px 0 0;color:var(--c-dim);font-family:var(--f-body)}
.hero-actions{display:flex;gap:14px;margin-top:28px;flex-wrap:wrap}

/* ---------- article / prose ---------- */
.article{padding-top:50px}
.vid{aspect-ratio:16/9;width:100%;border-radius:var(--radius);overflow:hidden;background:#031311;margin:0 0 40px;border:1px solid var(--c-line-soft)}
.vid video{width:100%;height:100%}
.prose{max-width:72ch}
.prose h2{font-family:var(--f-disp);font-weight:600;font-size:clamp(21px,2.8vw,27px);margin:46px 0 14px;padding-top:28px;border-top:1px solid var(--c-line);color:var(--c-text)}
.prose h2:first-child{border-top:0;padding-top:0;margin-top:0}
.prose h3{font-family:var(--f-disp);font-weight:600;font-size:18px;margin:26px 0 8px;color:var(--c-accent-2)}
.prose p{margin:13px 0;font-size:16.5px;color:var(--c-dim)}
.prose ul,.prose ol{margin:14px 0 14px 22px;color:var(--c-dim)}
.prose li{margin:7px 0}
.prose strong{color:var(--c-text)}
.prose a{color:var(--c-accent-2);text-decoration-color:var(--c-line);text-underline-offset:3px}
.prose table{display:block;overflow-x:auto;max-width:100%}

.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px;margin:36px 0 6px}
.grid figure{margin:0;border-radius:10px;overflow:hidden;border:1px solid var(--c-line-soft);background:var(--c-panel)}
.grid img{width:100%;display:block;aspect-ratio:4/3;object-fit:cover;transition:transform .35s ease,filter .35s ease}
.grid figure:hover img{transform:scale(1.05)}

/* ---------- any form embedded in prose OR the template contact form ---------- */
.prose form,
form.contact{
  display:grid;
  gap:15px;
  margin:26px 0;
  padding:26px;
  background:var(--c-panel);
  border:1px solid var(--c-line);
  border-radius:var(--radius);
  max-width:560px;
}
.prose form label,
form.contact label{
  display:block;
  font-family:var(--f-disp);
  font-weight:600;
  font-size:12.5px;
  letter-spacing:.03em;
  color:var(--c-accent-2);
}
.prose form input,
.prose form textarea,
.prose form select,
form.contact input,
form.contact textarea,
form.contact select{
  display:block;
  width:100%;
  margin-top:7px;
  padding:12px 14px;
  border:1px solid var(--c-line-soft);
  border-radius:8px;
  font:inherit;
  font-size:14.5px;
  background:var(--c-bg);
  color:var(--c-text);
}
.prose form textarea,
form.contact textarea{min-height:110px;resize:vertical}
.prose form input:focus,
.prose form textarea:focus,
.prose form select:focus,
form.contact input:focus,
form.contact textarea:focus,
form.contact select:focus{
  outline:2px solid var(--c-accent);
  outline-offset:1px;
  border-color:var(--c-accent);
}
.prose form br,
form.contact br{display:none}
.prose form button,
form.contact button{
  justify-self:start;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:13px 26px;
  border-radius:8px;
  border:1px solid var(--c-accent);
  background:var(--c-accent);
  color:#0A1613;
  font-weight:600;
  font-size:14.5px;
  font-family:var(--f-disp);
  cursor:pointer;
  margin-top:4px;
  transition:transform .18s ease,background .18s ease;
}
.prose form button:hover,
form.contact button:hover{transform:translateY(-2px);background:var(--c-accent-2)}

/* ---------- more-from section ---------- */
.more-section{background:var(--c-panel);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);padding:64px 0}
.more-section h2{margin-top:10px}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:16px}
.card{display:block;padding:20px;border:1px solid var(--c-line-soft);border-radius:var(--radius);text-decoration:none;color:var(--c-text);background:var(--c-panel-2);transition:border-color .2s ease,transform .2s ease}
.card:hover{border-color:var(--c-accent);transform:translateY(-3px)}
.card .k{font-size:11px;text-transform:uppercase;letter-spacing:.1em;color:var(--c-accent-2);font-weight:700;font-family:var(--f-disp)}
.card h3{font-size:16px;margin:8px 0 0;color:var(--c-text);font-family:var(--f-disp);font-weight:600}

/* ---------- contact section ---------- */
.contact-section{padding:70px 0 90px}
.contact-panel{position:relative;overflow:hidden;background:var(--c-panel);border:1px solid var(--c-line);border-radius:18px;padding:48px clamp(24px,5vw,64px)}
.contact-panel::before{content:"";position:absolute;top:-40%;right:-10%;width:60%;height:180%;background:radial-gradient(closest-side,rgba(224,122,63,.14),transparent 70%);pointer-events:none}
.contact-lead{color:var(--c-dim);max-width:52ch;margin:10px 0 26px;font-size:16px;position:relative;z-index:1}
.contact-panel form.contact{background:var(--c-panel-2);position:relative;z-index:1}

/* ---------- footer ---------- */
.site-footer{background:var(--c-panel);border-top:1px solid var(--c-line);color:var(--c-dim);padding:60px 0 0}
.footgrid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;padding-bottom:40px;border-bottom:1px solid var(--c-line-soft)}
.foot-brand .brand{color:var(--c-text)}
.foot-brand p{margin-top:14px;max-width:34ch;font-size:14px;color:var(--c-dim)}
.foot-col h4{font-family:var(--f-disp);font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--c-accent-2);margin-bottom:14px;font-weight:600}
.foot-col a{display:block;color:var(--c-dim);text-decoration:none;font-size:14px;margin:9px 0}
.foot-col a:hover{color:var(--c-accent-2)}
.footbottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;padding:20px 0 30px;font-size:12.5px;color:var(--c-dim);opacity:.75}

/* ---------- RTL: flip the rail to the right ---------- */
[dir=rtl]{direction:rtl}
[dir=rtl] .rail{left:auto;right:0;border-right:none;border-left:1px solid var(--c-line)}
[dir=rtl] .main{margin-left:0;margin-right:var(--rail-w)}
[dir=rtl] .kicker::before{order:2}
[dir=rtl] .rail-lang-list{left:0;right:0}
[dir=rtl] .hero::before{background:linear-gradient(270deg,rgba(6,35,31,.96) 0%,rgba(6,35,31,.86) 38%,rgba(6,35,31,.55) 68%,rgba(6,35,31,.3) 100%)}
[dir=rtl] .topbar-brand{flex-direction:row-reverse}

/* ---------- responsive ---------- */
@media (max-width:980px){
  .rail-toggle{display:flex}
  .topbar{
    display:flex;align-items:center;justify-content:space-between;
    position:sticky;top:0;z-index:41;
    background:color-mix(in srgb,var(--c-panel) 96%,transparent);
    backdrop-filter:blur(8px);
    border-bottom:1px solid var(--c-line);
    padding:14px 20px;
  }
  .topbar-brand{display:flex;align-items:center;gap:8px;text-decoration:none;color:var(--c-text)}
  .topbar-brand strong{font-family:var(--f-disp);font-weight:700;font-size:17px}
  .rail{
    transform:translateX(-100%);
    transition:transform .26s ease;
    width:min(320px,86vw);
    top:0;bottom:0;
  }
  [dir=rtl] .rail{transform:translateX(100%)}
  .shell.rail-open .rail{transform:translateX(0)}
  .rail-scrim{display:block;position:fixed;inset:0;background:rgba(3,12,10,.6);z-index:39;opacity:0;pointer-events:none;transition:opacity .2s ease}
  .shell.rail-open .rail-scrim{opacity:1;pointer-events:auto}
  .main{margin-left:0}
  [dir=rtl] .main{margin-right:0}
  .hero{min-height:80vh}
}
@media (max-width:640px){
  .wrap{padding:0 20px}
  .hero h1{font-size:clamp(26px,7vw,36px)}
  .footgrid{grid-template-columns:1fr 1fr;gap:26px 20px}
}
@media (max-width:420px){
  .footgrid{grid-template-columns:1fr}
}

/* reused article imagery (enzymes.bio watermarked) */
.prose figure.post-img{margin:30px 0}
.prose figure.post-img img{width:100%;height:auto;display:block;border-radius:12px}
.prose figure.post-img figcaption{font-size:13px;opacity:.72;margin-top:7px;line-height:1.4}