:root{
  --bg:#f5f5f7;--white:#fff;--ink:#1d1d1f;--muted:#6e6e73;
  --blue:#0071e3;--line:rgba(0,0,0,.08);--max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);
font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","SF Pro Text","Helvetica Neue",Arial,sans-serif;
line-height:1.48;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
.wrap{width:min(var(--max),calc(100% - 44px));margin:auto}

header{position:sticky;top:0;z-index:20;height:52px;background:rgba(255,255,255,.82);
backdrop-filter:saturate(180%) blur(20px);border-bottom:1px solid rgba(0,0,0,.06)}
.nav{height:52px;display:flex;align-items:center;justify-content:space-between}
.logo{font-weight:700;letter-spacing:-.04em;font-size:18px}
.logo span{color:var(--blue);font-size:21px;margin-left:2px}
nav{display:flex;gap:2px}
nav a{font-size:12px;color:#444;padding:7px 10px;border-radius:20px;transition:.2s}
nav a:hover,nav a.active{background:rgba(0,0,0,.06);color:#111}

.hero{min-height:780px;display:flex;align-items:flex-end;position:relative;overflow:hidden;color:white;background:#000}
.hero:before{content:"";position:absolute;inset:0;
background:linear-gradient(180deg,rgba(0,0,0,.05) 25%,rgba(0,0,0,.68) 100%),
url('https://commons.wikimedia.org/wiki/Special:FilePath/The_Blue_Marble%2C_AS17-148-22727.jpg') center/cover}
.hero .inner{position:relative;padding:0 0 92px;text-align:center}
.kicker{text-transform:uppercase;letter-spacing:.13em;font-size:12px;font-weight:600;opacity:.82}
h1{font-size:clamp(54px,9vw,112px);line-height:.95;letter-spacing:-.065em;margin:14px 0 24px;font-weight:700}
h2{font-size:clamp(38px,5vw,68px);line-height:1.02;letter-spacing:-.055em;margin:0 0 20px;font-weight:700}
h3{font-size:26px;line-height:1.1;letter-spacing:-.035em;margin:0 0 9px}
.lead{font-size:clamp(19px,2.2vw,25px);line-height:1.35;max-width:800px;margin:auto;color:rgba(255,255,255,.9)}
.btns{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-top:30px}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 20px;border-radius:999px;
background:var(--blue);color:white;font-size:15px;font-weight:600;transition:.2s}
.btn:hover{transform:scale(1.025);background:#0077ed}
.btn.secondary{background:rgba(255,255,255,.18);backdrop-filter:blur(15px);color:#fff;border:1px solid rgba(255,255,255,.2)}

section{padding:110px 0}
.section-head{max-width:820px;margin-bottom:42px}
.section-head p,.page-hero p{color:var(--muted);font-size:20px;line-height:1.45;max-width:720px}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.card{background:var(--white);border-radius:28px;overflow:hidden;box-shadow:0 8px 35px rgba(0,0,0,.07);
transition:transform .35s cubic-bezier(.2,.8,.2,1),box-shadow .35s}
.card:hover{transform:translateY(-5px);box-shadow:0 18px 50px rgba(0,0,0,.12)}
.card img{width:100%;height:300px;object-fit:cover;display:block}
.card .body{padding:27px 27px 30px}
.card p{color:var(--muted);font-size:16px;margin:0}
.tag{display:inline-block;color:var(--blue);font-size:13px;font-weight:600;margin-bottom:10px}

.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border-radius:24px;overflow:hidden}
.stat{padding:35px 28px;background:#fff}
.stat b{display:block;font-size:42px;letter-spacing:-.05em}
.stat span{display:block;color:var(--muted);font-size:14px;margin-top:3px}

.page-hero{padding:110px 0 60px;background:#fff}
.page-hero h1{font-size:clamp(54px,8vw,94px);margin:12px 0 20px}
.filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:28px}
.filter{cursor:pointer;border:0;background:#e8e8ed;color:#333;padding:9px 16px;border-radius:999px;font-size:14px}
.filter.active{background:#1d1d1f;color:#fff}
.search{width:100%;padding:17px 20px;background:#fff;border:1px solid #d2d2d7;border-radius:15px;
color:#111;outline:none;font-size:16px;margin-bottom:28px}
.search:focus{border-color:#0071e3;box-shadow:0 0 0 3px rgba(0,113,227,.12)}

.fact{background:#fff;border-radius:28px;padding:40px;margin-top:40px}
.fact strong{display:block;font-size:29px;letter-spacing:-.03em;margin-bottom:8px}
.fact{color:var(--muted);font-size:17px}

.note{color:var(--muted);font-size:13px;margin-top:20px}
footer{background:#f5f5f7;border-top:1px solid var(--line);padding:35px 0;color:#6e6e73;font-size:12px}
.footer-grid{display:flex;justify-content:space-between;gap:20px}

@media(max-width:850px){
  nav{display:none}.grid{grid-template-columns:1fr 1fr}.stats{grid-template-columns:1fr 1fr}
  .hero{min-height:680px}.card img{height:250px}
}
@media(max-width:560px){
  .wrap{width:min(var(--max),calc(100% - 28px))}
  section{padding:70px 0}.page-hero{padding:70px 0 40px}
  .grid,.grid2{grid-template-columns:1fr}.stats{grid-template-columns:1fr 1fr}
  .stat{padding:24px 18px}.stat b{font-size:32px}
  .card{border-radius:22px}.card img{height:220px}.card .body{padding:22px}
  .hero{min-height:650px}.hero .inner{padding-bottom:65px}
}