/* ===================================================================
   Murovia (lysozyme.bio) — Minimal monochrome + one vivid crimson accent
   =================================================================== */
:root{
  --c-bg:#FAFAF8;
  --c-ink:#111111;
  --c-mid:#6B6B66;
  --c-line:rgba(17,17,17,.10);
  --c-line-strong:rgba(17,17,17,.20);
  --c-accent:#E4002B;
  --c-accent-ink:#FFFFFF;
  --c-card:#F3F2EE;
  /* legacy aliases kept in case any inline style references them */
  --c-primary:#111111;
  --c-secondary:#6B6B66;
  --c-text:#111111;
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-font-smoothing:antialiased}
body{font-family:var(--f-body);color:var(--c-ink);background:var(--c-bg);line-height:1.6;font-size:16px}
.wrap{max-width:1080px;margin:0 auto;padding:0 24px}
h1,h2,h3{font-family:var(--f-disp);line-height:1.08;color:var(--c-ink);font-weight:600;letter-spacing:-.01em}
a{color:inherit}
img{max-width:100%}

/* ---------- header ---------- */
header.nav{position:sticky;top:0;background:color-mix(in srgb,var(--c-bg) 90%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--c-line);z-index:20}
.navwrap{display:flex;align-items:center;justify-content:center;gap:36px;height:64px;position:relative}
.brand{font-family:var(--f-disp);font-weight:600;font-size:19px;letter-spacing:.01em;color:var(--c-ink);text-decoration:none}
.menu{display:flex;gap:26px}
.menu a{color:var(--c-mid);text-decoration:none;font-size:13px;letter-spacing:.03em;text-transform:uppercase;font-weight:500;transition:color .15s}
.menu a:hover{color:var(--c-accent)}

/* language switcher: compact "EN ▾" text dropdown */
.langsw{position:absolute;right:24px;top:50%;transform:translateY(-50%);font-size:12px}
.langsw summary{cursor:pointer;list-style:none;color:var(--c-mid);letter-spacing:.06em;padding:6px 4px;user-select:none;font-weight:500}
.langsw summary::-webkit-details-marker{display:none}
.langsw summary:hover{color:var(--c-ink)}
.langsw[open] summary{color:var(--c-ink)}
.langmenu{position:absolute;right:0;top:calc(100% + 6px);background:#fff;border:1px solid var(--c-line-strong);min-width:220px;max-height:60vh;overflow-y:auto;box-shadow:0 12px 28px rgba(17,17,17,.08);display:flex;flex-direction:column;padding:6px}
.langmenu a{display:flex;gap:10px;align-items:baseline;padding:8px 10px;text-decoration:none;color:var(--c-ink);font-size:13px;border-radius:2px}
.langmenu a:hover{background:var(--c-card)}
.langmenu a.is-current{color:var(--c-accent);font-weight:600}
.langmenu .code{font-family:var(--f-body);font-weight:600;width:26px;flex:0 0 auto;color:var(--c-mid);font-size:11px;letter-spacing:.04em}
.langmenu a.is-current .code{color:var(--c-accent)}
.langmenu .name{opacity:.85}

/* ---------- hero (full-bleed video, overlaid copy) ---------- */
.hero{position:relative;min-height:92vh;display:flex;align-items:center;justify-content:center;text-align:center;overflow:hidden;background:#000}
.herobg{position:absolute;inset:0;z-index:0;width:100%;height:100%}
.herobg video{width:100%;height:100%;object-fit:cover;display:block}
.herobg .scrim{position:absolute;inset:0;background:linear-gradient(180deg,rgba(8,8,6,.66) 0%,rgba(8,8,6,.40) 42%,rgba(8,8,6,.70) 100%)}
.hero .wrap{max-width:820px}
.herocontent{position:relative;z-index:1;padding:120px 24px}
.eyebrow{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--c-accent);font-weight:600;margin-bottom:18px}
.hero h1{font-size:clamp(36px,6vw,68px);font-weight:600;max-width:20ch;margin:0 auto;color:#FAFAF8}
.hero .lede{color:rgba(250,250,248,.88)}
.lede{font-size:19px;color:var(--c-mid);max-width:52ch;margin:22px auto 0;font-weight:400}
.lede.small{font-size:16px;margin-top:12px}
.btn{display:inline-block;font-family:var(--f-body);font-size:14px;letter-spacing:.03em;font-weight:600;text-decoration:none;padding:14px 30px;margin-top:30px;transition:.18s ease}
.btn-outline{border:1px solid var(--c-ink);color:var(--c-ink);background:transparent}
.btn-outline:hover{background:var(--c-ink);color:var(--c-bg)}
.btn-solid{border:1px solid var(--c-accent);background:var(--c-accent);color:var(--c-accent-ink)}
.btn-solid:hover{background:var(--c-ink);border-color:var(--c-ink)}

/* ---------- content sections ---------- */
section{padding:64px 0}
.content{padding-top:70px}
.hair{height:1px;background:var(--c-line);margin-bottom:56px}

.vid{aspect-ratio:16/9;width:100%;overflow:hidden;background:#000;margin:0 0 46px;border:1px solid var(--c-line)}
.vid video{width:100%;height:100%;display:block}

.prose{max-width:70ch;margin:0 auto}
.prose h2{font-size:28px;margin:44px 0 14px;font-weight:600}
.prose h2:first-child{margin-top:0}
.prose h3{font-size:19px;margin:28px 0 8px;font-weight:600;color:var(--c-ink)}
.prose p{margin:14px 0;color:#2b2b28}
.prose ul,.prose ol{margin:14px 0 14px 22px}
.prose li{margin:6px 0}
.prose strong{color:var(--c-ink)}
.prose a{color:var(--c-accent);text-decoration-color:color-mix(in srgb,var(--c-accent) 40%,transparent)}
.prose blockquote{border-left:2px solid var(--c-accent);padding-left:18px;margin:22px 0;color:var(--c-mid);font-style:italic}

.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:2px;margin:52px 0 0;max-width:70ch;margin-left:auto;margin-right:auto}
.grid img{width:100%;aspect-ratio:4/3;object-fit:cover;display:block;filter:grayscale(55%) contrast(1.02);transition:filter .35s ease}
.grid img:hover{filter:grayscale(0%)}

/* ---------- related cards ---------- */
.more{background:var(--c-bg)}
.more h2{font-size:26px;margin-bottom:34px;text-align:center}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:0;border-top:1px solid var(--c-line);border-left:1px solid var(--c-line)}
.card{display:block;padding:26px 24px;text-decoration:none;color:var(--c-ink);border-right:1px solid var(--c-line);border-bottom:1px solid var(--c-line);transition:background .15s}
.card:hover{background:var(--c-card)}
.card:hover h3{color:var(--c-accent)}
.card .k{font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--c-accent);font-weight:600}
.card h3{font-size:16px;margin-top:8px;font-weight:600;transition:color .15s}

/* ---------- contact ---------- */
.contact{text-align:center}
.contact .wrap{max-width:640px}
.contact h2{font-size:30px}
.contact-form{display:grid;gap:20px;margin-top:40px;text-align:left}
.field{display:flex;flex-direction:column;gap:8px}
.field label{font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--c-mid);font-weight:600}
.field input,.field textarea,.field select{
  font-family:var(--f-body);font-size:16px;color:var(--c-ink);
  background:transparent;border:none;border-bottom:1px solid var(--c-line-strong);
  padding:10px 2px;border-radius:0;width:100%;transition:border-color .15s;
}
.field textarea{resize:vertical;min-height:96px}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-bottom-color:var(--c-accent)}
.field input::placeholder,.field textarea::placeholder{color:color-mix(in srgb,var(--c-mid) 70%,transparent)}
.contact-form .hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
.contact-form br{display:none}
.contact-form .btn-solid{justify-self:start;margin-top:4px}

/* generic hardening for any embedded prose forms outside .contact-form */
.prose form{display:grid;gap:16px;max-width:520px;margin:22px 0}
.prose form br{display:none}
.prose form label{font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--c-mid);font-weight:600;display:block;margin-bottom:6px}
.prose form input,.prose form textarea,.prose form select{
  display:block;width:100%;font-family:var(--f-body);font-size:16px;color:var(--c-ink);
  background:transparent;border:none;border-bottom:1px solid var(--c-line-strong);padding:10px 2px;border-radius:0;
}
.prose form input:focus,.prose form textarea:focus,.prose form select:focus{outline:none;border-bottom-color:var(--c-accent)}
.prose form input[type=checkbox],.prose form input[type=radio]{width:auto;display:inline-block}
.prose form button,.prose form input[type=submit]{
  justify-self:start;display:inline-block;font-family:var(--f-body);font-size:14px;letter-spacing:.03em;font-weight:600;
  border:1px solid var(--c-accent);background:var(--c-accent);color:#fff;padding:13px 28px;cursor:pointer;margin-top:6px;
}
.prose form button:hover,.prose form input[type=submit]:hover{background:var(--c-ink);border-color:var(--c-ink)}

/* ---------- footer ---------- */
footer{padding:64px 0 40px;text-align:center}
.footbrand{font-family:var(--f-disp);font-size:20px;font-weight:600}
.foottag{color:var(--c-mid);margin-top:8px;font-size:15px}
.footnote{color:var(--c-mid);opacity:.75;font-size:13px;margin-top:14px;max-width:52ch;margin-left:auto;margin-right:auto}
.foothair{height:1px;background:var(--c-line);margin:32px auto 20px;max-width:220px}
.footmeta{font-size:12px;color:var(--c-mid);opacity:.7}

[dir=rtl] .grid{direction:rtl}
[dir=rtl] .card{border-right:none;border-left:1px solid var(--c-line)}
[dir=rtl] .langsw{right:auto;left:24px}
[dir=rtl] .langmenu{right:auto;left:0}
[dir=rtl] .prose blockquote{border-left:none;border-right:2px solid var(--c-accent);padding-left:0;padding-right:18px}
[dir=rtl] .contact-form,[dir=rtl] .prose form{text-align:right}
[dir=rtl] .contact-form .btn-solid,[dir=rtl] .prose form button{justify-self:end}

@media (max-width:760px){
  .navwrap{gap:0;justify-content:space-between;padding:0 6px}
  .menu{display:none}
  .langsw{position:static;transform:none}
  .hero{min-height:86vh}
  .herocontent{padding:80px 20px}
  .cards{grid-template-columns:1fr}
}

/* ---------- mobile-safety hardening (no horizontal overflow) ---------- */
html,body{overflow-x:hidden;max-width:100%}
img,video{max-width:100%;height:auto}
.prose table{display:block;overflow-x:auto;max-width:100%}

/* 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}