:root{
  --bg:#F7F4F0;
  --bg-alt:#EFEAE3;
  --surface:#FFFFFF;
  --ink:#1A1512;
  --graphite:#2C211C;
  --muted:#6B635C;
  --line:#DDD6CE;
  --accent:#9C7A55;
  --accent-deep:#7A5C3E;
  --accent-soft:#EFE6DA;
  --history:#8A8580;
  --radius:18px;
  --shadow:0 18px 50px rgba(28,31,36,.08);
  --font-display:"Syne","Noto Sans",system-ui,sans-serif;
  --font-body:"Manrope","Noto Sans",system-ui,sans-serif;
  --max:1120px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--bg);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
.container{width:min(100% - 2rem,var(--max));margin-inline:auto}
.skip{position:absolute;left:-999px;top:auto}
.skip:focus{left:1rem;top:1rem;background:#fff;padding:.5rem 1rem;z-index:99}

.site-header{
  position:sticky;top:0;z-index:40;
  backdrop-filter:blur(14px);
  background:rgba(244,244,241,.88);
  border-bottom:1px solid rgba(215,216,211,.7);
}
.nav-row{
  display:flex;align-items:center;justify-content:space-between;
  gap:1rem;min-height:72px;
}
.brand{display:flex;align-items:center;gap:.75rem;font-family:var(--font-display);font-weight:700;letter-spacing:.02em}
.brand-mark{
  width:36px;height:36px;border-radius:10px;background:var(--graphite);color:#fff;
  display:grid;place-items:center;font-size:.85rem;border:1.5px solid var(--accent);
}
.brand span{font-size:1rem}
.nav{display:flex;gap:1.1rem;flex-wrap:wrap;align-items:center}
.nav a{font-size:.92rem;color:var(--muted);font-weight:600}
.nav a:hover,.nav a[aria-current="page"]{color:var(--ink)}
.menu-btn{
  display:none;border:1px solid var(--line);background:#fff;border-radius:10px;
  padding:.55rem .7rem;font-weight:700
}

/* Language selector */
.lang-wrap{position:relative}
.lang-btn{
  display:inline-flex;align-items:center;gap:.4rem;
  border:1px solid var(--line);background:#fff;border-radius:999px;
  padding:.45rem .75rem;font-weight:700;font-size:.82rem;cursor:pointer;color:var(--ink);
}
.lang-btn:hover,.lang-btn[aria-expanded="true"]{border-color:var(--graphite)}
.lang-btn svg{width:14px;height:14px}
.lang-menu{
  display:none;position:absolute;right:0;top:calc(100% + .4rem);
  width:min(280px,70vw);max-height: rum(60vh);max-height:60vh;overflow:auto;
  background:#fff;border:1px solid var(--line);border-radius:16px;
  box-shadow:var(--shadow);padding:.45rem;z-index:50;
}
.lang-menu.open{display:grid;grid-template-columns:1fr 1fr;gap:.15rem}
.lang-menu a{
  display:block;padding:.45rem .55rem;border-radius:10px;font-size:.82rem;font-weight:600;color:var(--muted)
}
.lang-menu a:hover,.lang-menu a[aria-current="true"]{background:var(--bg-alt);color:var(--ink)}
.lang-menu a[aria-current="true"]{outline:1px solid var(--accent)}

.hero{padding:3.5rem 0 2.5rem}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:2rem;align-items:center}
.kicker{
  display:inline-flex;align-items:center;gap:.5rem;
  font-size:.78rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;
  color:var(--accent-deep);background:var(--accent-soft);padding:.4rem .7rem;border-radius:999px;
}
.hero h1{
  font-family:var(--font-display);font-size:clamp(2.2rem,4.5vw,3.8rem);
  line-height:1.05;letter-spacing:-.03em;margin:.9rem 0 1rem;
}
.hero p.lead{font-size:1.08rem;color:var(--muted);max-width:38rem}
.hero-actions{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:1.6rem}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.45rem;
  border-radius:999px;padding:.85rem 1.25rem;font-weight:700;font-size:.95rem;
  border:1px solid transparent;transition:.2s ease;
}
.btn-primary{background:var(--graphite);color:#fff}
.btn-primary:hover{background:#111}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--graphite)}
.hero-media{
  position:relative;border-radius:28px;overflow:hidden;box-shadow:var(--shadow);
  aspect-ratio:4/3;background:var(--bg-alt);
}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-chip{
  position:absolute;left:1rem;bottom:1rem;background:rgba(255,255,255,.92);
  backdrop-filter:blur(8px);border-radius:14px;padding:.7rem .9rem;font-size:.85rem;font-weight:700;
  border:1px solid rgba(255,255,255,.6)
}
.hero-chip small{display:block;color:var(--muted);font-weight:600;margin-top:.15rem}

section{padding:3.5rem 0}
.section-head{max-width:42rem;margin-bottom:2rem}
.section-head h2{
  font-family:var(--font-display);font-size:clamp(1.7rem,3vw,2.4rem);
  letter-spacing:-.02em;margin:0 0 .7rem;line-height:1.15
}
.section-head p{margin:0;color:var(--muted)}
.eyebrow{font-size:.75rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--accent-deep);margin-bottom:.6rem}

.timeline{display:grid;gap:0;position:relative;margin-top:1rem}
.timeline::before{
  content:"";position:absolute;left:18px;top:8px;bottom:8px;width:2px;background:linear-gradient(var(--history),var(--accent));
}
.t-item{display:grid;grid-template-columns:36px 1fr;gap:1rem;padding:1rem 0}
.t-dot{
  width:36px;height:36px;border-radius:50%;background:var(--surface);border:2px solid var(--accent);
  display:grid;place-items:center;font-size:.7rem;font-weight:800;color:var(--graphite);z-index:1
}
.t-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:1.1rem 1.2rem;
}
.t-card h3{margin:0 0 .35rem;font-family:var(--font-display);font-size:1.15rem}
.t-card p{margin:0;color:var(--muted);font-size:.95rem}
.history-band{
  margin-top:2rem;border-radius:24px;overflow:hidden;position:relative;aspect-ratio:21/9;background:#222
}
.history-band img{width:100%;height:100%;object-fit:cover;filter:grayscale(.35) contrast(1.05)}
.history-band .caption{
  position:absolute;inset:auto 0 0 0;padding:1rem 1.2rem;background:linear-gradient(transparent,rgba(0,0,0,.65));
  color:#fff;font-size:.9rem
}

.tech-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.1rem}
.tech-card{
  background:var(--surface);border:1px solid var(--line);border-radius:22px;overflow:hidden;
  display:flex;flex-direction:column;min-height:100%;transition:transform .2s ease, box-shadow .2s ease;
}
.tech-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.tech-card .media{aspect-ratio:4/3;background:var(--bg-alt);overflow:hidden}
.tech-card .media img{width:100%;height:100%;object-fit:cover}
.tech-card .body{padding:1.15rem 1.2rem 1.35rem;display:flex;flex-direction:column;gap:.75rem;flex:1}
.tech-name{
  font-family:var(--font-display);font-size:1.25rem;letter-spacing:-.02em;margin:0;
  display:flex;align-items:center;gap:.55rem
}
.tech-name .tm{font-size:.65rem;font-weight:800;color:var(--accent-deep);letter-spacing:.08em}
.tech-tag{
  display:inline-flex;width:fit-content;font-size:.72rem;font-weight:800;letter-spacing:.08em;
  text-transform:uppercase;color:var(--graphite);background:var(--bg-alt);padding:.28rem .55rem;border-radius:999px
}
.tech-card p{margin:0;color:var(--muted);font-size:.93rem}
.science{display:grid;gap:.55rem;margin-top:.2rem;padding-top:.85rem;border-top:1px solid var(--line)}
.science-row{display:grid;grid-template-columns:28px 1fr;gap:.65rem;align-items:start}
.icon-bubble{
  width:28px;height:28px;border-radius:9px;background:var(--accent-soft);color:var(--accent-deep);
  display:grid;place-items:center
}
.icon-bubble svg{width:16px;height:16px}
.science-row strong{display:block;font-size:.82rem;color:var(--ink)}
.science-row span{display:block;font-size:.82rem;color:var(--muted);line-height:1.4}

.split{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem;align-items:center}
.split .copy h2{font-family:var(--font-display);font-size:clamp(1.6rem,3vw,2.2rem);letter-spacing:-.02em;margin:.4rem 0 0.8rem}
.split .copy p{color:var(--muted)}
.look{border-radius:24px;overflow:hidden;aspect-ratio:3/4;background:var(--bg-alt);box-shadow:var(--shadow)}
.look img{width:100%;height:100%;object-fit:cover}
.pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin-top:1.5rem}
.pillar{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:1rem 1.05rem}
.pillar h3{margin:0 0 .35rem;font-size:1rem;font-family:var(--font-display)}
.pillar p{margin:0;color:var(--muted);font-size:.9rem}

.research-hero{display:grid;grid-template-columns:1.1fr .9fr;gap:1.5rem;align-items:stretch}
.research-hero .media{border-radius:24px;overflow:hidden;min-height:280px}
.research-hero .media img{width:100%;height:100%;object-fit:cover}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;margin-top:2rem}
.step{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:1.1rem}
.step .n{font-family:var(--font-display);font-size:1.4rem;color:var(--accent-deep);font-weight:700}
.step h3{margin:.4rem 0 .35rem;font-size:1rem}
.step p{margin:0;color:var(--muted);font-size:.9rem}

.contact-card{
  background:var(--graphite);color:#fff;border-radius:28px;padding:2rem;display:grid;
  grid-template-columns:1.2fr .8fr;gap:1.5rem
}
.contact-card h2{font-family:var(--font-display);font-size:clamp(1.6rem,3vw,2.2rem);margin:0 0 .7rem;letter-spacing:-.02em}
.contact-card p{color:rgba(255,255,255,.78);margin:0 0 1rem}
.contact-mail{
  display:inline-flex;align-items:center;gap:.5rem;background:var(--accent);color:#072624;
  padding:.85rem 1.15rem;border-radius:999px;font-weight:800
}
.contact-side{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);
  border-radius:20px;padding:1.2rem
}
.contact-side h3{margin:0 0 .6rem;font-size:1rem}
.contact-side ul{margin:0;padding-left:1.1rem;color:rgba(255,255,255,.78)}
.contact-side li{margin:.35rem 0}
.note{font-size:.85rem;color:var(--muted);margin-top:1rem}

.site-footer{
  border-top:1px solid var(--line);padding:2rem 0 2.5rem;margin-top:1rem;color:var(--muted);font-size:.9rem
}
.footer-row{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;align-items:center}
.footer-nav{display:flex;gap:1rem;flex-wrap:wrap}
.footer-nav a:hover{color:var(--ink)}

.page-hero{padding:2.6rem 0 1rem}
.page-hero h1{font-family:var(--font-display);font-size:clamp(2rem,4vw,3rem);letter-spacing:-.03em;margin:.5rem 0 .7rem;line-height:1.1}
.page-hero p{color:var(--muted);max-width:40rem;margin:0}
.band{background:var(--bg-alt);border-block:1px solid var(--line)}

@media (max-width:920px){
  .hero-grid,.split,.research-hero,.contact-card,.tech-grid{grid-template-columns:1fr}
  .pillars,.steps{grid-template-columns:1fr 1fr}
  .nav{display:none}
  .nav.open{display:flex;position:absolute;left:0;right:0;top:72px;background:rgba(244,244,241,.98);flex-direction:column;padding:1rem 1.25rem 1.25rem;border-bottom:1px solid var(--line)}
  .menu-btn{display:inline-flex}
  .history-band{aspect-ratio:16/9}
  .lang-menu.open{grid-template-columns:1fr}
}
@media (max-width:560px){
  .pillars,.steps{grid-template-columns:1fr}
}

.brand{gap:.65rem}
.brand-logo{height:40px;width:auto;display:block}
.brand-logo.light{height:40px}
.footer-logo{height:36px;width:auto;margin-bottom:.75rem;opacity:.95}
.brand span.word{display:none}
.contact-mail{background:var(--accent);color:#1A1512}


.lang-menu{max-height:min(70vh,520px);overflow:auto;min-width:280px}
.lang-group-label{grid-column:1/-1;font-size:.72rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);padding:.55rem .55rem .2rem;margin-top:.2rem}
.lang-group{display:contents}
.lang-menu.open{display:grid;grid-template-columns:1fr 1fr;gap:.15rem;padding:.35rem}
body.script-cyrillic{font-family:"Noto Sans","Manrope",system-ui,sans-serif}
body.script-cyrillic h1,body.script-cyrillic h2,body.script-cyrillic h3,body.script-cyrillic .brand,body.script-cyrillic .tech-name{font-family:"Noto Sans","Syne",system-ui,sans-serif}