/* Oxyveil — glucoseoxidase.bio — bold color-block modern theme
   Charcoal base + electric-lime accent block, chunky rounded shapes,
   floating pill navigation, rounded chip language switcher. */

:root{
  --c-bg:#10151A;
  --c-bg-soft:#171F26;
  --c-bg-soft-2:#1E2830;
  --c-lime:#B6FF3C;
  --c-lime-deep:#96E01E;
  --c-ink:#F1F7ED;
  --c-ink-dim:rgba(241,247,237,.68);
  --c-ink-dimmer:rgba(241,247,237,.46);
  --c-on-lime:#0E1410;
  --border:rgba(241,247,237,.10);
  --border-strong:rgba(182,255,60,.4);
  --radius-lg:28px;
  --radius-md:18px;
  --radius-sm:12px;
  --radius-pill:999px;
  --wrap-w:1160px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--f-body);color:var(--c-ink);background:var(--c-bg);line-height:1.65;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{padding-inline-start:22px}
.wrap{max-width:var(--wrap-w);margin:0 auto;padding:0 22px}
h1,h2,h3{font-family:var(--f-disp);line-height:1.12;color:var(--c-ink);font-weight:700;letter-spacing:-.01em}
[dir=rtl]{direction:rtl}

/* ---------- header ---------- */
.site-header{position:relative;z-index:40}
.lang-strip{background:#0B0F13;border-bottom:1px solid var(--border);padding:9px 0;overflow-x:auto;scrollbar-width:thin}
.lang-chips{display:flex;gap:8px;flex-wrap:nowrap;white-space:nowrap}
.chip{display:inline-flex;align-items:center;padding:6px 13px;border-radius:var(--radius-pill);font-size:12px;font-weight:600;letter-spacing:.04em;color:var(--c-ink-dim);background:rgba(255,255,255,.04);border:1px solid var(--border);transition:background .15s,color .15s,border-color .15s}
.chip:hover{color:var(--c-ink);border-color:var(--border-strong)}
.chip.is-active{background:var(--c-lime);color:var(--c-on-lime);border-color:var(--c-lime);font-weight:700}

.nav-wrap{position:sticky;top:0;padding:14px 0 10px;background:linear-gradient(to bottom, rgba(16,21,26,.94) 70%, rgba(16,21,26,0));backdrop-filter:blur(8px);z-index:40}
.nav-float{display:flex;align-items:center;justify-content:space-between;gap:16px;background:var(--c-bg-soft);border:1px solid var(--border);border-radius:var(--radius-pill);padding:9px 9px 9px 22px;box-shadow:0 20px 46px -22px rgba(0,0,0,.75)}
.brand{display:flex;align-items:center;gap:9px;font-family:var(--f-disp);font-weight:800;font-size:18px;color:var(--c-ink);flex-shrink:0}
.brand-dot{width:11px;height:11px;border-radius:50%;background:var(--c-lime);box-shadow:0 0 0 4px rgba(182,255,60,.16)}
.nav-links{display:flex;align-items:center;gap:26px}
.nav-links a{font-size:14px;font-weight:600;color:var(--c-ink-dim);transition:color .15s}
.nav-links a:hover{color:var(--c-lime)}
@media (max-width:760px){ .nav-links{display:none} }

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-family:var(--f-body);font-weight:700;font-size:15px;padding:14px 26px;border-radius:var(--radius-pill);border:1px solid transparent;cursor:pointer;transition:transform .15s,box-shadow .15s,background .15s}
.btn-lime{background:var(--c-lime);color:var(--c-on-lime);box-shadow:0 12px 28px -14px rgba(182,255,60,.55)}
.btn-lime:hover{background:var(--c-lime-deep);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--c-ink);border-color:var(--border-strong)}
.btn-ghost:hover{background:rgba(182,255,60,.08);transform:translateY(-1px)}
.btn-sm{padding:10px 20px;font-size:13.5px}

/* ---------- hero (full-bleed video band) ---------- */
.hero-full{position:relative;width:100vw;margin-left:calc(50% - 50vw);margin-right:calc(50% - 50vw);height:88vh;min-height:560px;max-height:920px;overflow:hidden;display:flex;align-items:flex-end}
.hero-full-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
.hero-full-scrim{position:absolute;inset:0;z-index:1;background:linear-gradient(180deg, rgba(16,21,26,.55) 0%, rgba(16,21,26,.35) 38%, rgba(16,21,26,.88) 100%), linear-gradient(100deg, rgba(16,21,26,.92) 0%, rgba(16,21,26,.55) 42%, rgba(150,224,30,.14) 100%)}
.hero-full-copy{position:relative;z-index:2;padding-bottom:64px;padding-top:120px}
.eyebrow{display:inline-flex;align-items:center;padding:7px 16px;border-radius:var(--radius-pill);background:rgba(182,255,60,.12);color:var(--c-lime);font-size:12.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;border:1px solid rgba(182,255,60,.4);margin-bottom:20px;backdrop-filter:blur(4px)}
.hero-full-copy h1{font-size:clamp(32px,5vw,58px);max-width:18ch;margin-bottom:18px;color:#fff;text-shadow:0 4px 24px rgba(0,0,0,.4)}
.hero-full-copy p{font-size:17.5px;color:rgba(241,247,237,.86);max-width:52ch;text-shadow:0 2px 12px rgba(0,0,0,.35)}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
@media (max-width:880px){
  .hero-full{height:86vh;min-height:480px}
  .hero-full-copy{padding-top:90px;padding-bottom:44px}
}

/* ---------- sections ---------- */
section{padding:56px 0}
.section-head{display:flex;flex-direction:column;gap:10px;margin-bottom:26px}
.tag{display:inline-flex;align-self:flex-start;padding:6px 14px;border-radius:var(--radius-pill);background:var(--c-bg-soft);color:var(--c-lime);font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;border:1px solid var(--border)}
.section-head h2{font-size:clamp(24px,2.6vw,34px)}

.vid{aspect-ratio:16/9;width:100%;border-radius:var(--radius-lg);overflow:hidden;background:#000;margin:0 0 34px;border:1px solid var(--border)}
.vid video{width:100%;height:100%}

/* ---------- prose (article content) ---------- */
.prose{max-width:74ch}
.prose h2{font-size:25px;margin:34px 0 14px;padding-top:6px}
.prose h3{font-size:19px;margin:24px 0 10px;color:var(--c-lime)}
.prose p{margin:12px 0;color:var(--c-ink-dim)}
.prose ul,.prose ol{margin:14px 0 14px 4px;color:var(--c-ink-dim)}
.prose li{margin:6px 0}
.prose strong{color:var(--c-ink)}
.prose table{width:100%;border-collapse:collapse;margin:20px 0;font-size:14.5px;border-radius:var(--radius-md);overflow:hidden;border:1px solid var(--border)}
.prose th,.prose td{padding:12px 14px;border-bottom:1px solid var(--border);text-align:start}
.prose thead th{background:var(--c-bg-soft);color:var(--c-lime);font-size:12.5px;text-transform:uppercase;letter-spacing:.04em}
.prose tbody tr:hover{background:rgba(182,255,60,.04)}

/* ---------- embedded content forms (inside .prose) ---------- */
.prose form{display:grid;gap:14px;max-width:560px;margin:26px 0;padding:26px;background:var(--c-bg-soft);border:1px solid var(--border);border-radius:var(--radius-lg)}
.prose form br{display:none}
.prose form label{display:block;font-size:13px;font-weight:700;color:var(--c-ink);letter-spacing:.02em;margin-bottom:-6px}
.prose form input,
.prose form select,
.prose form textarea{width:100%;padding:13px 16px;border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--c-bg);color:var(--c-ink);font:inherit;font-size:15px}
.prose form input:focus,
.prose form select:focus,
.prose form textarea:focus{outline:none;border-color:var(--c-lime)}
.prose form select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--c-lime) 50%),linear-gradient(135deg,var(--c-lime) 50%,transparent 50%);background-position:calc(100% - 22px) center,calc(100% - 17px) center;background-size:5px 5px,5px 5px;background-repeat:no-repeat;padding-inline-end:40px}
.prose form textarea{resize:vertical;min-height:110px}
.prose form button,
.prose form button[type="submit"]{justify-self:start;display:inline-flex;align-items:center;gap:8px;font-family:var(--f-body);font-weight:700;font-size:15px;padding:14px 26px;border-radius:var(--radius-pill);border:1px solid transparent;background:var(--c-lime);color:var(--c-on-lime);cursor:pointer;transition:transform .15s,background .15s;margin-top:4px}
.prose form button:hover{background:var(--c-lime-deep);transform:translateY(-1px)}

/* ---------- image grid ---------- */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px;margin:32px 0 0}
.grid img{width:100%;border-radius:var(--radius-md);display:block;border:1px solid var(--border);aspect-ratio:4/3;object-fit:cover}

/* ---------- related cards ---------- */
.more-section{background:var(--c-bg-soft)}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:16px}
.card{position:relative;display:block;padding:24px;border:1px solid var(--border);border-radius:var(--radius-lg);text-decoration:none;color:var(--c-ink);background:var(--c-bg);transition:border-color .15s,transform .15s,box-shadow .15s}
.card:hover{border-color:var(--border-strong);transform:translateY(-3px);box-shadow:0 20px 40px -24px rgba(182,255,60,.35)}
.card .k{display:inline-flex;font-size:11.5px;text-transform:uppercase;letter-spacing:.07em;color:var(--c-lime);font-weight:700;padding:4px 10px;border-radius:var(--radius-pill);background:rgba(182,255,60,.1);margin-bottom:12px}
.card h3{font-size:17px;line-height:1.3;padding-inline-end:24px}
.card-arrow{position:absolute;bottom:20px;inset-inline-end:22px;font-size:18px;color:var(--c-lime);opacity:0;transform:translateX(-6px);transition:opacity .15s,transform .15s}
[dir=rtl] .card-arrow{transform:translateX(6px)}
.card:hover .card-arrow{opacity:1;transform:translateX(0)}

/* ---------- contact section ---------- */
.contact-section{padding-bottom:80px}
.contact-panel{display:grid;grid-template-columns:.85fr 1.15fr;gap:44px;align-items:start;background:var(--c-bg-soft);border:1px solid var(--border);border-radius:var(--radius-lg);padding:44px}
.contact-copy p{color:var(--c-ink-dim);margin-top:10px;max-width:40ch}
form.contact{display:grid;gap:14px}
form.contact label{display:block;font-size:13px;font-weight:700;color:var(--c-ink);letter-spacing:.02em}
form.contact input,form.contact textarea{width:100%;margin-top:7px;padding:13px 16px;border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--c-bg);color:var(--c-ink);font:inherit;font-size:15px}
form.contact input:focus,form.contact textarea:focus{outline:none;border-color:var(--c-lime)}
form.contact textarea{resize:vertical;min-height:100px}
form.contact .btn{justify-self:start;margin-top:4px}
@media (max-width:820px){ .contact-panel{grid-template-columns:1fr;padding:28px} }

/* ---------- footer ---------- */
.site-footer{border-top:1px solid var(--border);background:#0B0F13;padding-top:52px}
.foot-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr;gap:36px;padding-bottom:36px}
.foot-brand p{margin-top:10px;color:var(--c-ink-dim);max-width:36ch}
.foot-note{margin-top:10px;font-size:13px;color:var(--c-ink-dimmer)}
.foot-col h4{font-family:var(--f-disp);font-size:13px;text-transform:uppercase;letter-spacing:.06em;color:var(--c-lime);margin-bottom:14px}
.foot-col a{display:block;font-size:14.5px;color:var(--c-ink-dim);margin:9px 0}
.foot-col a:hover{color:var(--c-lime)}
.foot-langs{display:flex;flex-wrap:wrap;gap:8px}
.foot-langs a{margin:0;padding:5px 11px;border-radius:var(--radius-pill);background:rgba(255,255,255,.04);border:1px solid var(--border);font-size:12px}
.foot-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;padding:20px 0;border-top:1px solid var(--border);font-size:12.5px;color:var(--c-ink-dimmer)}
@media (max-width:760px){ .foot-grid{grid-template-columns:1fr} }

/* ---------- mobile overflow safety ---------- */
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%}
@media (max-width:480px){
  .nav-float{flex-wrap:wrap;border-radius:var(--radius-md);padding:12px 14px;gap:10px}
  .nav-float .btn-sm{padding:9px 16px;font-size:12.5px}
  .lang-chips{gap:6px}
  .chip{padding:5px 10px;font-size:11px}
  .hero-full-copy h1{font-size:clamp(26px,7vw,36px);max-width:100%}
  .hero-full-copy p{font-size:15.5px;max-width:100%}
  .contact-panel{padding:20px}
}

/* 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}