:root {
  color-scheme: dark;
  --bg: #0f1117;
  --bg-alt: #13161f;
  --surface: #1a1d27;
  --border: #2e3344;
  --text: #e4e6ed;
  --muted: #9599ad;
  --accent: #4f8ff7;
  --accent-hover: #3a7de6;
  --accent-glow: rgba(79, 143, 247, 0.12);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, Menlo, monospace;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { background: var(--bg); color: var(--text); font-family: var(--font); line-height: 1.6; overflow-x: hidden; }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.wrap { max-width: 960px; margin: 0 auto; padding: 0 16px; }

/* Nav */
.nav { position: sticky; top: 0; z-index: 10; background: rgba(15,17,23,.85); backdrop-filter: blur(10px); border-bottom: 1px solid var(--border); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 56px; gap: 12px; }
.nav-name { font-weight: 600; text-decoration: none; letter-spacing: -.01em; }
.nav-links { display: flex; align-items: center; gap: 20px; font-size: .86rem; }
.nav-links a { text-decoration: none; color: var(--muted); }
.nav-links a:hover { color: var(--text); }
.nav-links .nav-cta { color: #fff; background: var(--accent); padding: 6px 14px; border-radius: 8px; }
.nav-links .nav-cta:hover { background: var(--accent-hover); color: #fff; }

/* Hero */
.hero { padding: 64px 0 52px; }
.eyebrow { font-size: .78rem; text-transform: uppercase; letter-spacing: .1em; color: var(--accent); font-weight: 600; }
.hero h1 { font-size: clamp(2.6rem, 6vw, 4rem); letter-spacing: -.035em; line-height: 1.05; margin: 14px 0 20px; }
.lede { font-size: 1.15rem; color: #c7cad6; max-width: 640px; }
.hero-actions { display: flex; gap: 12px; margin-top: 32px; flex-wrap: wrap; }
.now { margin-top: 28px; font-size: .86rem; color: var(--muted); }

.btn { display: inline-block; text-decoration: none; font-weight: 500; font-size: .92rem; padding: 11px 20px; border-radius: 10px; border: 1px solid var(--border); background: var(--surface); transition: border-color .2s, background .2s; }
.btn:hover { border-color: var(--accent); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover { background: var(--accent-hover); }
.btn.big { padding: 13px 26px; font-size: 1rem; margin-top: 8px; }

/* Sections */
.section { padding: 56px 0; border-top: 1px solid var(--border); }
.section.alt { background: var(--bg-alt); }
.section h2, .arix-band h2 { font-size: 1.7rem; letter-spacing: -.02em; margin-bottom: 32px; }
h3.sub { font-size: 1rem; color: var(--muted); font-weight: 500; margin: 48px 0 16px; }

/* Stats */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.stat { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 20px; }
.stat-num { display: block; font-family: var(--mono); font-size: 1.7rem; font-weight: 600; color: #fff; font-variant-numeric: tabular-nums; }
.stat-label { display: block; margin-top: 6px; font-size: .84rem; color: var(--muted); line-height: 1.5; }

/* Timeline */
.timeline { list-style: none; margin-top: 40px; border-left: 2px solid var(--border); }
.timeline li { display: grid; grid-template-columns: 90px 1fr auto; gap: 16px; padding: 12px 0 12px 20px; position: relative; font-size: .92rem; align-items: baseline; }
.timeline li::before { content: ''; position: absolute; left: -6px; top: 20px; width: 10px; height: 10px; border-radius: 50%; background: var(--bg); border: 2px solid var(--accent); }
.tl-years { font-family: var(--mono); font-size: .8rem; color: var(--muted); }
.tl-org { color: var(--muted); font-size: .85rem; text-align: right; white-space: nowrap; }

/* Cards */
.cards { display: grid; gap: 14px; }
.cards.three { grid-template-columns: repeat(3, 1fr); }
.cards.two { grid-template-columns: repeat(2, 1fr); }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 22px; }
.card h3 { font-size: 1.02rem; margin-bottom: 8px; }
.card p { font-size: .9rem; color: #b9bccb; }
.card.story { text-decoration: none; display: block; transition: border-color .2s, transform .2s; }
.card.story:hover { border-color: var(--accent); transform: translateY(-2px); }
.story-tag { display: inline-block; font-size: .7rem; text-transform: uppercase; letter-spacing: .08em; color: var(--accent); font-weight: 600; margin-bottom: 10px; }
.story-more { display: inline-block; margin-top: 14px; font-size: .85rem; color: var(--accent); font-weight: 500; }

/* Lab */
.lab { display: grid; grid-template-columns: 1.3fr 1fr; gap: 48px; align-items: start; }
.lab p { color: #c7cad6; margin-bottom: 14px; }
.lab-points { list-style: none; display: grid; gap: 10px; }
.lab-points li { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 14px 16px; font-size: .86rem; color: var(--muted); }
.lab-points strong { display: block; color: var(--text); font-weight: 600; font-size: .92rem; margin-bottom: 2px; }

/* Arix band */
.arix-band { padding: 56px 0; text-align: center; border-top: 1px solid var(--border); background: radial-gradient(ellipse at top, rgba(79,143,247,.12), transparent 60%); }
.arix-band h2 { margin-bottom: 14px; }
.arix-band p { color: #c7cad6; max-width: 580px; margin: 0 auto 28px; }
.ask-chips { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin-bottom: 28px; }
.ask-chips a { text-decoration: none; font-size: .85rem; color: var(--muted); padding: 8px 16px; border: 1px solid var(--border); border-radius: 20px; background: var(--surface); }
.ask-chips a:hover { color: var(--text); border-color: var(--accent); background: var(--accent-glow); }

/* Footer */
.foot { border-top: 1px solid var(--border); padding: 28px 0; font-size: .8rem; color: var(--muted); }
.foot-inner { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.foot a { color: var(--muted); }

@media (max-width: 760px) {
  .nav-links a:not(.nav-cta) { display: none; }
  .hero { padding: 56px 0 48px; }
  .lede { font-size: 1.02rem; }
  .section, .arix-band { padding: 56px 0; }
  .stats { grid-template-columns: 1fr 1fr; }
  .cards.three, .cards.two, .lab { grid-template-columns: 1fr; }
  .lab { gap: 24px; }
  .timeline li { grid-template-columns: 1fr; gap: 2px; }
  .tl-org { text-align: left; white-space: normal; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } html { scroll-behavior: auto; } }

.nav-links .nav-cta { display: inline-flex; align-items: center; gap: 7px; }
.nav-cta img { border-radius: 5px; display: block; }
.band-logo { display: block; margin: 0 auto 18px; border-radius: 15px; box-shadow: 0 10px 40px rgba(91,155,255,.25); }
.arix-band p.band-inside { margin: 18px auto 0; font-size: .95rem; }

/* mobile: section links stay available as a scrollable second row */
@media (max-width: 760px) {
  .nav-inner { flex-wrap: wrap; height: auto; padding-top: 8px; padding-bottom: 0; row-gap: 4px; column-gap: 14px; }
  .nav-links { display: contents; }
  .nav-links .nav-cta { order: 2; }
  .nav-links a:not(.nav-cta) { display: inline-block; order: 3; padding: 8px 0 10px; font-size: .78rem; white-space: nowrap; }
  .nav-inner::after { content: ""; order: 2; flex-basis: 100%; height: 0; }
}