:root{
  --black:#050505;
  --charcoal:#101010;
  --panel:#151515;
  --panel-2:#202020;
  --white:#f7f7f7;
  --paper:#ffffff;
  --soft:#e8e8e8;
  --muted:#b9b9b9;
  --ink:#080808;
  --gray:#676767;
  --line:#2b2b2b;
  --light-line:#d9d9d9;
  --radius:24px;
  --max:1180px;
  --shadow:0 25px 80px rgba(0,0,0,.35);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter,Arial,Helvetica,sans-serif;
  background:var(--black);
  color:var(--white);
  line-height:1.65;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.nav{
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(5,5,5,.88);
  backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  max-width:var(--max);
  margin:auto;
  padding:14px 22px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
}
.brand{
  font-weight:950;
  letter-spacing:.13em;
  text-transform:uppercase;
  font-size:.95rem;
}
.links{display:flex;align-items:center;gap:20px}
.links a{
  color:var(--muted);
  font-size:.94rem;
  transition:.2s ease;
}
.links a:hover{color:var(--white)}
.menu{
  display:none;
  background:transparent;
  color:var(--white);
  border:1px solid var(--line);
  border-radius:999px;
  padding:8px 12px;
  font-weight:800;
}
.container{
  max-width:var(--max);
  margin:auto;
  padding:0 22px;
}
.hero{
  position:relative;
  min-height:88vh;
  display:grid;
  place-items:center;
  overflow:hidden;
  background:
    radial-gradient(circle at 16% 16%,rgba(255,255,255,.13),transparent 28%),
    radial-gradient(circle at 82% 72%,rgba(255,255,255,.08),transparent 30%),
    #050505;
}
.hero:after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,transparent 55%,rgba(5,5,5,.92));
  pointer-events:none;
}
.hero-grid{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:1.04fr .96fr;
  gap:48px;
  align-items:center;
}
.eyebrow{
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--muted);
  font-size:.78rem;
  font-weight:850;
}
.title{
  margin:10px 0 18px;
  font-size:clamp(3.1rem,8.5vw,7.2rem);
  line-height:.89;
  font-weight:950;
  letter-spacing:-.075em;
}
.subtitle{
  color:var(--soft);
  font-size:clamp(1.06rem,2vw,1.28rem);
  max-width:740px;
}
.buttons{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:28px;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:999px;
  padding:13px 21px;
  border:1px solid var(--white);
  font-weight:900;
  transition:.22s ease;
}
.btn.primary{background:var(--white);color:var(--black)}
.btn.dark{
  background:linear-gradient(135deg,#555,#888);
  border:none;
  color:#fff;
}
.btn:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,255,255,.12)}
.hero-card{
  background:linear-gradient(145deg,#171717,#080808);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:18px;
}
.logo-pair{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:14px;
}
.logo-box{
  min-height:210px;
  display:grid;
  place-items:center;
  border-radius:20px;
  overflow:hidden;
  border:1px solid var(--line);
  background:#fff;
}
.logo-box.black{background:#000}
.logo-box img{width:100%;height:100%;object-fit:contain}
.section{
  padding:88px 0;
  border-top:1px solid var(--line);
}
.section.light{
  background:var(--paper);
  color:var(--ink);
  border-top:none;
}
.section-head{
  max-width:850px;
  margin-bottom:34px;
}
.section-head.center{text-align:center;margin-left:auto;margin-right:auto}
.section-head h2{
  margin:0 0 12px;
  font-size:clamp(2.1rem,5vw,4.1rem);
  line-height:.98;
  letter-spacing:-.055em;
}
.section-head p{margin:0;color:var(--muted)}
.light .section-head p,.light .muted{color:#333}
.grid{display:grid;gap:18px}
.two{grid-template-columns:repeat(2,minmax(0,1fr))}
.three{grid-template-columns:repeat(3,minmax(0,1fr))}
.four{grid-template-columns:repeat(4,minmax(0,1fr))}
.card{
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:24px;
  background:linear-gradient(145deg,#171717,#101010);
  box-shadow:0 16px 40px rgba(0,0,0,.18);
  overflow:hidden;
}
.light .card{
  color:var(--ink);
  background:#fff;
  border-color:var(--light-line);
}
.card h3{margin:0 0 10px;font-size:1.18rem;line-height:1.25}
.muted{color:var(--muted)}
.feature{
  display:grid;
  grid-template-columns:.98fr 1.02fr;
  gap:36px;
  align-items:center;
}
.feature.reverse{grid-template-columns:1.02fr .98fr}
.photo-card{
  border-radius:var(--radius);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  background:#111;
}
.light .photo-card{border-color:var(--light-line)}
.photo-card img{
  width:100%;
  height:100%;
  min-height:365px;
  object-fit:cover;
  filter:grayscale(100%);
}
.split-image-card{
  border-radius:var(--radius);
  overflow:hidden;
  border:1px solid var(--line);
  background:#111;
}
.split-image-card img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  filter:grayscale(100%);
}
.mini-photo{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  filter:grayscale(100%);
  border-radius:18px;
  border:1px solid var(--line);
  margin-bottom:18px;
}
.light .mini-photo{border-color:var(--light-line)}
.page-hero{
  padding:92px 0 72px;
  background:
    radial-gradient(circle at 20% 20%,rgba(255,255,255,.12),transparent 28%),
    linear-gradient(180deg,#050505,#121212);
}
.page-hero-grid{
  display:grid;
  grid-template-columns:1fr 390px;
  gap:42px;
  align-items:center;
}
.page-hero h1{
  margin:10px 0 14px;
  font-size:clamp(3.2rem,8vw,6.3rem);
  line-height:.9;
  letter-spacing:-.07em;
}
.page-logo{
  border-radius:var(--radius);
  border:1px solid var(--line);
  overflow:hidden;
  background:#000;
  box-shadow:var(--shadow);
}
.page-logo.white{background:#fff}
.page-logo img{width:100%;height:100%;object-fit:contain}
.pill-row{display:flex;flex-wrap:wrap;gap:9px;margin-top:22px}
.pill{
  display:inline-flex;
  border:1px solid var(--line);
  color:var(--muted);
  border-radius:999px;
  padding:7px 12px;
  font-size:.86rem;
  font-weight:750;
}
.light .pill{color:#222;border-color:#bbb;background:#f8f8f8}
.stat{
  font-size:2.2rem;
  line-height:1;
  font-weight:950;
  letter-spacing:-.04em;
}
.contact-panel{
  background:#fff;
  color:#080808;
  border:1px solid var(--light-line);
  border-radius:var(--radius);
  padding:28px;
}
.contact-panel a{
  display:inline-flex;
  margin:8px 10px 0 0;
}
.platform-section .subtitle,
.light .subtitle{
  color:#111;
  opacity:1;
}
.platform-section .btn{
  background:linear-gradient(135deg,#585858,#8a8a8a);
  color:#fff;
  border:none;
}
.platform-section .btn:hover{background:linear-gradient(135deg,#444,#777)}
.footer{
  background:#020202;
  color:var(--muted);
  border-top:1px solid var(--line);
  padding:48px 0 0;
}
.footer-grid{
  max-width:var(--max);
  margin:auto;
  padding:0 22px 34px;
  display:grid;
  grid-template-columns:1.2fr 1fr 1fr 1fr;
  gap:28px;
}
.footer h3,.footer h4{color:#fff;margin:0 0 10px}
.footer p{margin:0}
.footer a{display:block;color:var(--muted);margin:6px 0}
.footer a:hover{color:#fff}
.copyright{
  border-top:1px solid var(--line);
  max-width:var(--max);
  margin:auto;
  padding:18px 22px;
  font-size:.9rem;
}
.reveal{
  opacity:0;
  transform:translateY(18px);
  transition:.7s ease;
}
.reveal.show{opacity:1;transform:none}
@media(max-width:880px){
  .hero-grid,.page-hero-grid,.feature,.feature.reverse,.two,.three,.four,.footer-grid{grid-template-columns:1fr}
  .logo-pair{grid-template-columns:1fr}
  .hero{min-height:auto;padding:82px 0}
  .links{
    display:none;
    position:absolute;
    top:58px;
    right:22px;
    background:#080808;
    border:1px solid var(--line);
    border-radius:18px;
    padding:16px;
    flex-direction:column;
    align-items:flex-start;
  }
  .links.open{display:flex}
  .menu{display:block}
  .photo-card img{min-height:275px}
}
@media(max-width:540px){
  .container{padding:0 16px}
  .section{padding:62px 0}
  .nav-inner{padding:12px 16px}
  .buttons{flex-direction:column}
  .btn{width:100%}
  .page-hero{padding:62px 0 48px}
}


/* Version 2.1: subtle black-to-gray gradients and parallax depth */
body{
  background:
    linear-gradient(145deg,#020202 0%,#101010 42%,#242424 100%);
  background-attachment:fixed;
}

.hero,
.page-hero{
  background:
    radial-gradient(circle at 18% 18%,rgba(255,255,255,.14),transparent 30%),
    radial-gradient(circle at 80% 70%,rgba(255,255,255,.09),transparent 35%),
    linear-gradient(145deg,#020202 0%,#121212 48%,#2a2a2a 100%);
  background-attachment:fixed;
}

.section:not(.light){
  background:
    linear-gradient(160deg,#050505 0%,#121212 52%,#202020 100%);
  background-attachment:fixed;
}

.photo-card img,
.split-image-card img,
.mini-photo{
  transform:scale(1.015);
  transition:transform .7s ease, filter .7s ease;
}

.photo-card:hover img,
.split-image-card:hover img,
.card:hover .mini-photo{
  transform:scale(1.055);
}

.parallax-card{
  transform:translateZ(0);
  will-change:transform;
}

.commitment{
  display:inline-flex;
  align-items:center;
  gap:10px;
  margin-top:18px;
  padding:10px 15px;
  border:1px solid rgba(255,255,255,.22);
  border-radius:999px;
  background:rgba(255,255,255,.07);
  color:#f4f4f4;
  font-weight:850;
  letter-spacing:.02em;
}

.light .commitment{
  background:#f1f1f1;
  color:#111;
  border-color:#d5d5d5;
}

@media(max-width:880px){
  body,
  .hero,
  .page-hero,
  .section:not(.light){
    background-attachment:scroll;
  }
}