:root {
  color-scheme: dark;
  --ink: #f7f9fc;
  --muted: #b9c4d6;
  --night: #07111f;
  --panel: #0d1b2d;
  --line: rgba(255,255,255,.14);
  --blue: #55a8ff;
  --gold: #ffc629;
  --red: #ff405c;
  --max: 72rem;
  --radius: 1.35rem;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 85% 8%, rgba(25,116,207,.2), transparent 27rem),
    radial-gradient(circle at 10% 45%, rgba(255,198,41,.08), transparent 25rem),
    var(--night);
  line-height: 1.65;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
a:focus-visible, button:focus-visible { outline: .2rem solid var(--gold); outline-offset: .25rem; }
.skip-link {
  position: fixed; top: .75rem; left: .75rem; z-index: 100;
  padding: .7rem 1rem; border-radius: .6rem; color: var(--night); background: var(--gold);
  transform: translateY(-180%); transition: transform .2s;
}
.skip-link:focus { transform: translateY(0); }
.wrap { width: min(calc(100% - 2rem), var(--max)); margin-inline: auto; }
.site-header {
  position: sticky; top: 0; z-index: 20; border-bottom: 1px solid var(--line);
  background: rgba(7,17,31,.9); backdrop-filter: blur(1rem);
}
.nav { min-height: 4.75rem; display: flex; align-items: center; gap: 1rem; }
.brand { display: inline-flex; align-items: center; gap: .7rem; font-weight: 800; text-decoration: none; letter-spacing: .02em; }
.brand img { width: 2.7rem; height: 2.7rem; object-fit: contain; }
.nav-links { display: flex; align-items: center; gap: .4rem; margin-left: auto; }
.nav-links a { padding: .55rem .75rem; border-radius: .6rem; color: var(--muted); text-decoration: none; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--ink); background: rgba(255,255,255,.08); }
.language { display: flex; gap: .15rem; margin-left: .5rem; padding-left: .6rem; border-left: 1px solid var(--line); }
.language a { min-width: 2.2rem; text-align: center; text-transform: uppercase; }
.hero { min-height: 78vh; display: grid; grid-template-columns: 1.12fr .88fr; align-items: center; gap: 4rem; padding-block: 5rem; }
.eyebrow { margin: 0 0 .8rem; color: var(--gold); font-weight: 800; letter-spacing: .14em; text-transform: uppercase; font-size: .78rem; }
h1, h2, h3 { margin-top: 0; line-height: 1.08; letter-spacing: -.035em; }
h1 { margin-bottom: 1.5rem; font-size: clamp(2.8rem, 7vw, 5.9rem); max-width: 12ch; }
h2 { font-size: clamp(2rem, 4.5vw, 3.8rem); }
h3 { font-size: 1.45rem; }
.lead { max-width: 42rem; color: var(--muted); font-size: clamp(1.08rem, 2vw, 1.3rem); }
.actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 2rem; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 3rem; padding: .75rem 1.1rem; border: 1px solid var(--line); border-radius: .75rem; font-weight: 750; text-decoration: none; }
.button.primary { border-color: var(--blue); color: #06101d; background: var(--blue); }
.button:hover { transform: translateY(-2px); }
.hero-mark { position: relative; }
.hero-mark::before { content: ""; position: absolute; inset: 18%; border-radius: 50%; background: rgba(85,168,255,.2); filter: blur(3.5rem); }
.hero-mark img { position: relative; width: min(100%, 31rem); margin-inline: auto; filter: drop-shadow(0 2rem 3rem rgba(0,0,0,.35)); }
section { padding-block: 6rem; }
.section-head { max-width: 46rem; margin-bottom: 2.5rem; }
.section-head p { color: var(--muted); font-size: 1.1rem; }
.path { counter-reset: step; display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; padding: 0; list-style: none; }
.path li { min-height: 13rem; padding: 1.5rem; border: 1px solid var(--line); border-radius: var(--radius); background: rgba(13,27,45,.7); }
.path li::before { counter-increment: step; content: "0" counter(step); display: block; margin-bottom: 2.6rem; color: var(--blue); font-weight: 800; }
.path p, .card p { color: var(--muted); }
.projects { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; }
.card { position: relative; overflow: hidden; min-height: 25rem; padding: clamp(1.5rem,4vw,2.5rem); border: 1px solid var(--line); border-radius: var(--radius); background: linear-gradient(145deg, rgba(20,42,69,.96), rgba(10,22,37,.96)); }
.card::after { content: ""; position: absolute; width: 14rem; height: 14rem; right: -7rem; bottom: -7rem; border-radius: 50%; background: var(--accent, var(--blue)); opacity: .15; filter: blur(1rem); }
.card .tag { color: var(--accent, var(--blue)); font-weight: 800; text-transform: uppercase; letter-spacing: .1em; font-size: .75rem; }
.card h3 { margin-top: 4rem; font-size: clamp(2.2rem, 5vw, 3.8rem); }
.card .button { position: absolute; z-index: 2; left: clamp(1.5rem,4vw,2.5rem); bottom: clamp(1.5rem,4vw,2.5rem); }
.attribution { margin-top: 1.2rem; padding: 1.15rem 1.3rem; border-left: .25rem solid var(--gold); background: rgba(255,198,41,.08); font-weight: 650; }
.founder { display: grid; grid-template-columns: .65fr 1.35fr; gap: 3rem; align-items: start; }
.founder-label { color: var(--blue); font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.founder p { color: var(--muted); font-size: 1.15rem; }
.contact-panel { display: flex; align-items: center; justify-content: space-between; gap: 2rem; padding: clamp(2rem,5vw,4rem); border: 1px solid var(--line); border-radius: var(--radius); background: linear-gradient(120deg, rgba(22,67,111,.75), rgba(13,27,45,.85)); }
.contact-panel h2 { max-width: 15ch; margin-bottom: 0; }
footer { padding-block: 2rem; border-top: 1px solid var(--line); color: var(--muted); }
.footer-row { display: flex; justify-content: space-between; gap: 1rem; align-items: center; }
.selector { min-height: 100vh; display: grid; place-items: center; padding: 2rem 0; text-align: center; }
.selector-card { width: min(100%, 48rem); padding: clamp(2rem,7vw,5rem); border: 1px solid var(--line); border-radius: 2rem; background: rgba(13,27,45,.88); }
.selector-card img { width: min(17rem, 65vw); margin: 0 auto 1rem; }
.selector-card h1 { max-width: none; font-size: clamp(2.2rem,6vw,4rem); }
.selector-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: .7rem; margin-top: 2rem; }
.selector-grid a { padding: 1rem; border: 1px solid var(--line); border-radius: .75rem; text-decoration: none; font-weight: 750; }
.selector-grid a:hover { border-color: var(--blue); background: rgba(85,168,255,.1); }
.error-code { margin: 0; color: var(--blue); font-size: clamp(5rem,20vw,12rem); font-weight: 900; line-height: .9; }
@media (max-width: 52rem) {
  .nav-links > a:not(.language a) { display: none; }
  .hero { min-height: auto; grid-template-columns: 1fr; gap: 2rem; padding-block: 4rem; }
  .hero-mark { order: -1; }
  .hero-mark img { width: min(18rem, 75vw); }
  .path { grid-template-columns: 1fr 1fr; }
  .projects, .founder { grid-template-columns: 1fr; }
  .contact-panel { align-items: flex-start; flex-direction: column; }
}
@media (max-width: 34rem) {
  .brand span { display: none; }
  .language { margin-left: auto; }
  .nav-links { margin-left: 0; }
  .path, .selector-grid { grid-template-columns: 1fr; }
  section { padding-block: 4.5rem; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
  .button:hover { transform: none; }
}