:root {
  color-scheme: dark;
  --bg: #050708;
  --panel: #0b1115;
  --panel-2: #101820;
  --text: #eef7fb;
  --muted: #9fb2bd;
  --line: #1c3440;
  --accent: #29d3ff;
  --accent-soft: rgba(41, 211, 255, 0.12);
  --max: 1180px;
  --radius: 18px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background:
    radial-gradient(circle at 18% 0%, rgba(41, 211, 255, 0.10), transparent 32rem),
    linear-gradient(180deg, #050708 0%, #071015 45%, #050708 100%);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
a:focus-visible, button:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }

.container { width: min(calc(100% - 2rem), var(--max)); margin: 0 auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(16px);
  background: rgba(5, 7, 8, 0.82);
  border-bottom: 1px solid rgba(41, 211, 255, 0.12);
}

.nav {
  min-height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand { color: var(--text); font-weight: 800; letter-spacing: .02em; }
.brand span { color: var(--accent); }

.nav-links { display: flex; flex-wrap: wrap; gap: 1rem; font-size: .95rem; }
.nav-links a { color: var(--muted); }
.nav-links a:hover { color: var(--text); }

.hero { padding: 7rem 0 4.5rem; }
.eyebrow { color: var(--accent); text-transform: uppercase; letter-spacing: .16em; font-size: .8rem; font-weight: 800; }
.hero h1 { margin: .5rem 0 1rem; font-size: clamp(3rem, 9vw, 6.5rem); line-height: .96; letter-spacing: -.055em; }
.hero h1 span { color: var(--accent); }
.hero-copy { max-width: 820px; font-size: clamp(1.15rem, 2.2vw, 1.5rem); color: #cbd9df; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .9rem; margin-top: 2rem; }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: .75rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text);
  background: rgba(255,255,255,.03);
  font-weight: 700;
}
.button.primary { border-color: var(--accent); background: var(--accent); color: #001018; }
.button:hover { text-decoration: none; transform: translateY(-1px); }

section { padding: 3.5rem 0; }
.section-heading { display: flex; gap: 1rem; align-items: baseline; justify-content: space-between; margin-bottom: 1.5rem; }
.section-heading h2 { margin: 0; font-size: clamp(1.8rem, 4vw, 2.6rem); letter-spacing: -.025em; }
.section-heading p { margin: 0; color: var(--muted); }

.grid { display: grid; gap: 1rem; }
.grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(16,24,32,.94), rgba(7,12,15,.94));
  padding: 1.4rem;
  min-height: 100%;
  box-shadow: 0 20px 70px rgba(0,0,0,.15);
}
.card h3 { margin-top: 0; }
.card p { color: #bdccd3; }
.card .meta { color: var(--accent); font-size: .86rem; font-weight: 800; text-transform: uppercase; letter-spacing: .08em; }

.identity {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, .8fr);
  gap: 1rem;
}
.identity-links { display: grid; gap: .75rem; }
.identity-link { padding: 1rem; border-radius: 14px; border: 1px solid var(--line); background: var(--accent-soft); }
.identity-link strong { display: block; color: var(--text); }
.identity-link span { color: var(--muted); font-size: .92rem; }

.output-list { display: grid; gap: .75rem; }
.output-list a { display: flex; justify-content: space-between; gap: 1rem; color: var(--text); padding: 1rem 1.1rem; border: 1px solid var(--line); border-radius: 14px; }
.output-list a:hover { border-color: var(--accent); text-decoration: none; }
.output-list small { color: var(--muted); }

.principle { border-left: 3px solid var(--accent); padding-left: 1.2rem; font-size: 1.25rem; color: #d5e8ef; }

.site-footer { border-top: 1px solid var(--line); padding: 2.5rem 0 3rem; color: var(--muted); }
.footer-row { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }

@media (max-width: 820px) {
  .nav { align-items: flex-start; padding: 1rem 0; flex-direction: column; }
  .hero { padding-top: 4.5rem; }
  .grid.two, .grid.three, .identity { grid-template-columns: 1fr; }
  .section-heading { display: block; }
  .section-heading p { margin-top: .45rem; }
}