/* ============================================================
   Latnergen Limited: shared stylesheet
   Palette: black / white / grey only.
   Images render greyscale and reveal colour on hover.
   ============================================================ */
:root{
  --bg:#111111;
  --bg-soft:#1a1a1a;
  --text:#ffffff;
  --muted:#9a9a9a;
  --line:rgba(255,255,255,.10);
  --accent:#cfcfcf;
  --max:1600px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
html,body{min-height:100%}
body{
  font-family:'Inter',system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--text);
  display:flex;
  flex-direction:column;
  min-height:100vh;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background:
    radial-gradient(circle at 50% -10%, rgba(255,255,255,.08), transparent 55%),
    radial-gradient(circle at 85% 120%, rgba(255,255,255,.05), transparent 45%);
  pointer-events:none;
  z-index:0;
}
a{color:inherit}
img{display:block;max-width:100%}

/* ── Header / nav ── */
.site-header{
  position:sticky;top:0;z-index:20;
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;
  padding:20px clamp(20px,4vw,48px);
  background:rgba(17,17,17,.72);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.brand{font-size:20px;font-weight:800;letter-spacing:-.02em;text-decoration:none;white-space:nowrap}
.brand span{color:var(--muted);font-weight:600}
.nav{display:flex;align-items:center;gap:6px}
.nav a{
  text-decoration:none;color:var(--muted);
  font-size:14px;font-weight:600;
  padding:8px 14px;border-radius:10px;
  transition:color .15s ease,background .15s ease;
}
.nav a:hover{color:#fff;background:var(--bg-soft)}
.nav a.active{color:#fff}
.nav a.active::after{
  content:"";display:block;height:2px;margin-top:4px;border-radius:2px;
  background:#fff;
}
.nav .nav-cta{
  color:#111;background:#fff;
}
.nav .nav-cta:hover{background:#e6e6e6;color:#111}

main{position:relative;z-index:1;flex:1;width:100%}

/* ── Shared layout ── */
.wrap{max-width:var(--max);margin:0 auto;padding:0 clamp(20px,4vw,48px)}
.eyebrow{
  text-transform:uppercase;letter-spacing:.18em;
  font-size:12px;font-weight:700;color:var(--accent);margin-bottom:14px;
}

/* ── Hero (page intros) ── */
.hero{
  display:flex;flex-direction:column;align-items:flex-start;
  padding:clamp(56px,9vw,120px) 0 clamp(40px,6vw,72px);
  max-width:var(--max);margin:0 auto;
}
.hero.center{align-items:center;text-align:center}
.hero h1{
  font-size:clamp(2.4rem,6.5vw,5rem);
  font-weight:800;line-height:1.03;letter-spacing:-.03em;
  margin-bottom:22px;max-width:20ch;
}
.hero.center h1{max-width:16ch}
.hero .grad{
  background:linear-gradient(90deg,#fff,#8f8f8f);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero p.lead{
  font-size:clamp(1.05rem,2.2vw,1.3rem);
  color:var(--muted);max-width:60ch;line-height:1.6;margin-bottom:36px;
}
.hero.center p.lead{margin-left:auto;margin-right:auto}

/* ── Buttons ── */
.cta{display:flex;gap:14px;flex-wrap:wrap}
.hero.center .cta{justify-content:center}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 26px;border-radius:12px;
  font-size:15px;font-weight:600;text-decoration:none;
  transition:transform .15s ease,background .15s ease,border-color .15s ease;
}
.btn-primary{background:#fff;color:#111}
.btn-primary:hover{transform:translateY(-2px)}
.btn-ghost{border:1px solid var(--line);color:#fff}
.btn-ghost:hover{background:var(--bg-soft);transform:translateY(-2px)}

/* ── Section heading ── */
.section-head{margin:0 auto 8px;max-width:var(--max)}
.section-head.center{text-align:center}
.section-head h2{font-size:clamp(1.7rem,4vw,2.6rem);font-weight:800;letter-spacing:-.02em}
.section-head p{color:var(--muted);max-width:62ch;margin-top:14px;line-height:1.6}
.section-head.center p{margin-left:auto;margin-right:auto}

/* ── Sector rows (signature style) ── */
.sectors{display:flex;flex-direction:column;max-width:var(--max);margin:0 auto}
.sector{
  display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:clamp(28px,5vw,64px);
  padding:clamp(44px,6vw,72px) 0 clamp(60px,7vw,96px);
  /* content gently fades toward the bottom */
  -webkit-mask-image:linear-gradient(to bottom,#000 60%,transparent 100%);
  mask-image:linear-gradient(to bottom,#000 60%,transparent 100%);
}
.sector + .sector{border-top:1px solid var(--line)}
.sector:nth-child(even) .sector-media{order:-1}
.sector-num{font-size:13px;font-weight:700;letter-spacing:.16em;color:var(--muted);margin-bottom:14px}
.sector-text h3{font-size:clamp(1.6rem,3.4vw,2.3rem);font-weight:800;letter-spacing:-.02em;margin-bottom:16px}
.sector-text p{color:var(--muted);line-height:1.7;font-size:1.05rem;max-width:54ch;margin-bottom:18px}
.tags{display:flex;flex-wrap:wrap;gap:8px}
.tag{
  font-size:12.5px;font-weight:600;color:#d7d7d7;
  border:1px solid var(--line);border-radius:999px;padding:6px 13px;
}

/* ── Media: greyscale, colour on hover ── */
.media{
  position:relative;overflow:hidden;border-radius:16px;
  border:1px solid var(--line);background:var(--bg-soft);
  aspect-ratio:4/3;
}
.media img{
  width:100%;height:100%;object-fit:cover;
  filter:grayscale(100%) contrast(1.05);
  transition:filter .5s ease,transform .6s ease;
}
.media:hover img{filter:grayscale(0%) contrast(1);transform:scale(1.04)}

/* ── Overview grid (home) ── */
.grid{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
  gap:20px;max-width:var(--max);margin:0 auto;
}
.tile{
  display:flex;flex-direction:column;text-decoration:none;
  border:1px solid var(--line);border-radius:18px;overflow:hidden;
  background:var(--bg-soft);
  transition:transform .15s ease,border-color .15s ease;
}
.tile:hover{transform:translateY(-4px);border-color:rgba(255,255,255,.28)}
.tile .media{border:0;border-radius:0;aspect-ratio:16/10}
.tile .tile-body{padding:22px 22px 26px}
.tile .tile-body h3{font-size:1.15rem;font-weight:700;margin-bottom:8px;display:flex;align-items:center;justify-content:space-between;gap:10px}
.tile .tile-body h3 .arrow{color:var(--muted);transition:transform .15s ease}
.tile:hover .tile-body h3 .arrow{transform:translateX(4px);color:#fff}
.tile .tile-body p{color:var(--muted);font-size:.95rem;line-height:1.55}

/* ── Contact ── */
.contact-grid{
  display:grid;grid-template-columns:1fr 1.1fr;gap:clamp(28px,5vw,64px);
  max-width:var(--max);margin:0 auto;align-items:start;
}
.info-card{
  border:1px solid var(--line);border-radius:18px;background:var(--bg-soft);
  padding:26px 24px;display:flex;gap:16px;align-items:flex-start;margin-bottom:16px;
  text-decoration:none;transition:border-color .15s ease,transform .15s ease;
}
.info-card:hover{border-color:rgba(255,255,255,.28);transform:translateY(-3px)}
.info-card .ico{
  width:44px;height:44px;flex:none;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  border:1px solid var(--line);color:#fff;
}
.info-card .ico svg{width:20px;height:20px}
.info-card .k{font-size:12px;text-transform:uppercase;letter-spacing:.12em;color:var(--muted);margin-bottom:4px}
.info-card .v{font-size:1.1rem;font-weight:700;color:#fff;word-break:break-word}
form.contact-form{
  border:1px solid var(--line);border-radius:18px;background:var(--bg-soft);
  padding:clamp(24px,4vw,36px);
}
.field{margin-bottom:18px}
.field label{display:block;font-size:13px;font-weight:600;color:#d7d7d7;margin-bottom:8px}
.field input,.field textarea{
  width:100%;background:#0d0d0d;color:#fff;
  border:1px solid var(--line);border-radius:12px;
  padding:13px 15px;font:inherit;font-size:15px;
  transition:border-color .15s ease;
}
.field input:focus,.field textarea:focus{outline:none;border-color:rgba(255,255,255,.5)}
.field textarea{resize:vertical;min-height:130px}

/* ── Footer ── */
.site-footer{
  position:relative;z-index:1;
  border-top:1px solid var(--line);
  padding:40px clamp(20px,4vw,48px);
  color:var(--muted);font-size:14px;
}
.footer-inner{
  max-width:var(--max);margin:0 auto;
  display:flex;flex-wrap:wrap;gap:24px 40px;justify-content:space-between;align-items:flex-start;
}
.site-footer .brand{font-size:18px;margin-bottom:10px;display:inline-block}
.foot-col h4{font-size:12px;text-transform:uppercase;letter-spacing:.14em;color:#fff;margin-bottom:12px}
.foot-col a{display:block;color:var(--muted);text-decoration:none;margin-bottom:8px;transition:color .15s ease}
.foot-col a:hover{color:#fff}
.foot-bottom{
  max-width:var(--max);margin:28px auto 0;padding-top:20px;
  border-top:1px solid var(--line);font-size:13px;
}

/* ── Responsive ── */
@media (max-width:820px){
  .sector{grid-template-columns:1fr;gap:26px}
  .sector:nth-child(even) .sector-media{order:0}
  .contact-grid{grid-template-columns:1fr}
}
@media (max-width:560px){
  .nav a:not(.nav-cta){padding:8px 8px}
  .brand{font-size:17px}
}