:root {
  --bg: #07090d;
  --bg-alt: #0d1117;
  --card: rgba(255,255,255,0.04);
  --card-border: rgba(255,255,255,0.08);
  --border: #232b38;
  --text: #eef2f8;
  --text-dim: #96a3b8;
  --accent: #5fe0c8;
  --accent-2: #7c8bff;
  --accent-3: #ff8fd6;
  --danger: #ff6b6b;
  --ok: #52d17c;
  --radius: 16px;
  --font-display: "Space Grotesk", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3 { font-family: var(--font-display); letter-spacing: -0.02em; }

a { color: var(--accent-2); text-decoration: none; }
a:hover { color: var(--accent); }

.wrap { max-width: 1160px; margin: 0 auto; padding: 0 24px; position: relative; z-index: 1; }

/* ── Animated gradient mesh background ─────────────────────────────── */
.bg-mesh {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 900px 600px at 12% -10%, rgba(95,224,200,0.16), transparent 60%),
    radial-gradient(ellipse 800px 700px at 88% 8%, rgba(124,139,255,0.15), transparent 60%),
    radial-gradient(ellipse 700px 700px at 50% 100%, rgba(255,143,214,0.08), transparent 55%),
    var(--bg);
  animation: meshdrift 22s ease-in-out infinite alternate;
}
@keyframes meshdrift {
  0%   { filter: hue-rotate(0deg) brightness(1); }
  100% { filter: hue-rotate(12deg) brightness(1.08); }
}

/* ── Header ─────────────────────────────────────────────────────────── */
header.site {
  padding: 18px 0;
  position: sticky;
  top: 0;
  background: rgba(7,9,13,0.72);
  backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  z-index: 50;
}
header.site .wrap { display: flex; align-items: center; justify-content: space-between; }

.brand { display: flex; align-items: center; gap: 10px; font-family: var(--font-display); font-weight: 700; font-size: 1.2rem; color: var(--text); }
.brand-mark { width: 34px; height: 34px; object-fit: contain; }
.brand-mark.small { width: 22px; height: 22px; }
.brand.small { font-size: 0.95rem; justify-content: center; margin-bottom: 10px; }

nav.site-nav { display: flex; align-items: center; gap: 26px; }
nav.site-nav a { color: var(--text-dim); font-size: 0.92rem; font-weight: 500; transition: color .15s ease; }
nav.site-nav a:hover { color: var(--text); }
nav.site-nav .nav-external { color: var(--accent); }

.btn {
  display: inline-block;
  padding: 11px 22px;
  border-radius: 999px;
  border: 1px solid var(--card-border);
  background: var(--card);
  backdrop-filter: blur(8px);
  color: var(--text);
  font-size: 0.94rem;
  font-weight: 600;
  cursor: pointer;
  transition: border-color .18s ease, transform .12s ease, box-shadow .18s ease;
}
.btn:hover { border-color: var(--accent-2); transform: translateY(-1px); text-decoration: none; }
.btn:active { transform: translateY(0); }
.btn.ghost { background: transparent; }
.btn.primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #05070a;
  border: none;
}
.btn.primary:hover { box-shadow: 0 8px 28px -8px rgba(124,139,255,0.55); }
.btn.large { padding: 14px 28px; font-size: 1rem; }
.btn.block { width: 100%; text-align: center; }
.btn[disabled] { opacity: .5; cursor: not-allowed; }

/* ── Hero ───────────────────────────────────────────────────────────── */
.hero { padding: 110px 0 90px; }
.hero-wrap { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 40px; align-items: center; }
.kicker {
  color: var(--accent);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-size: 0.78rem;
  margin-bottom: 20px;
}
.hero h1 {
  font-size: clamp(2.2rem, 4.4vw, 3.6rem);
  line-height: 1.08;
  margin: 0 0 22px;
  font-weight: 700;
}
.grad {
  background: linear-gradient(120deg, var(--accent), var(--accent-2) 60%, var(--accent-3));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero p.lead { color: var(--text-dim); max-width: 560px; font-size: 1.12rem; margin: 0 0 34px; }
.hero .cta { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 34px; }
.trust-strip { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; font-size: 0.86rem; color: var(--text-dim); }
.trust-strip strong { color: var(--text); font-weight: 600; }
.trust-strip .dot { opacity: 0.4; }
.trust-note { color: var(--text-dim); }

.hero-art { position: relative; height: 380px; display: flex; align-items: center; justify-content: center; }
.hero-logo { position: relative; z-index: 2; width: 78%; max-width: 340px; filter: drop-shadow(0 20px 60px rgba(95,224,200,0.25)); animation: float 6s ease-in-out infinite; }
@keyframes float { 0%,100% { transform: translateY(0px); } 50% { transform: translateY(-14px); } }
.orb { position: absolute; border-radius: 50%; filter: blur(50px); opacity: 0.55; }
.orb-a { width: 280px; height: 280px; background: var(--accent); top: 0; left: 10%; animation: orbmove 9s ease-in-out infinite alternate; }
.orb-b { width: 240px; height: 240px; background: var(--accent-2); bottom: 0; right: 5%; animation: orbmove 11s ease-in-out infinite alternate-reverse; }
@keyframes orbmove { 0% { transform: translate(0,0) scale(1); } 100% { transform: translate(20px,-16px) scale(1.12); } }

/* ── Sections ───────────────────────────────────────────────────────── */
section.section { padding: 88px 0; border-top: 1px solid rgba(255,255,255,0.06); }
section.section.alt { background: linear-gradient(180deg, rgba(255,255,255,0.015), transparent); }
.section-head { max-width: 640px; margin-bottom: 16px; }
.eyebrow { display: inline-block; font-size: 0.76rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent-2); margin-bottom: 12px; }
section.section h2 { font-size: clamp(1.6rem, 2.6vw, 2.3rem); margin: 0 0 6px; font-weight: 700; }
section.section p.sub { color: var(--text-dim); margin: 0 0 46px; max-width: 640px; font-size: 1.02rem; }

/* Bento grid (platform section) */
.bento { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.bento-card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 28px;
  backdrop-filter: blur(10px);
  transition: transform .2s ease, border-color .2s ease, background .2s ease;
}
.bento-card:hover { transform: translateY(-4px); border-color: rgba(124,139,255,0.4); background: rgba(255,255,255,0.06); }
.bento-card.span-2 { grid-column: span 1; background: linear-gradient(160deg, rgba(95,224,200,0.10), rgba(124,139,255,0.06)); }
.bento-icon { font-size: 1.8rem; margin-bottom: 14px; }
.bento-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid var(--card-border);
  border-radius: 999px;
  padding: 4px 11px;
  margin-bottom: 12px;
}
.bento-card h3 { margin: 0 0 10px; font-size: 1.15rem; }
.bento-card p { margin: 0; color: var(--text-dim); font-size: 0.92rem; }

/* Capability cards */
.cap-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 16px; }
.cap-card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 14px;
  padding: 22px;
  transition: border-color .18s ease, transform .18s ease;
}
.cap-card:hover { border-color: rgba(95,224,200,0.4); transform: translateY(-3px); }
.cap-card h3 { margin: 0 0 8px; font-size: 1.02rem; }
.cap-card p { margin: 0; color: var(--text-dim); font-size: 0.9rem; }

/* Grid/infrastructure split */
.grid-split { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 50px; align-items: start; }
.checklist { list-style: none; padding: 0; margin: 26px 0 0; display: flex; flex-direction: column; gap: 14px; }
.checklist li { position: relative; padding-left: 30px; color: var(--text-dim); font-size: 0.96rem; }
.checklist li::before { content: "✓"; position: absolute; left: 0; top: -1px; width: 20px; height: 20px; border-radius: 50%; background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #05070a; font-size: 0.72rem; font-weight: 700; display: flex; align-items: center; justify-content: center; }
.stat-card { background: var(--card); border: 1px solid var(--card-border); border-radius: var(--radius); padding: 30px; display: flex; flex-direction: column; gap: 26px; }
.stat { display: flex; flex-direction: column; }
.stat-num { font-family: var(--font-display); font-size: 2.6rem; font-weight: 700; background: linear-gradient(120deg, var(--accent), var(--accent-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stat-label { color: var(--text-dim); font-size: 0.88rem; margin-top: 4px; }

/* CTA band */
.cta-band { padding: 90px 0; text-align: center; background: linear-gradient(180deg, transparent, rgba(124,139,255,0.06)); border-top: 1px solid rgba(255,255,255,0.06); }
.cta-band h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); margin: 0 0 12px; }
.cta-band p { color: var(--text-dim); margin: 0 0 30px; }
.cta-band .cta { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* Footer */
footer.site-footer { border-top: 1px solid rgba(255,255,255,0.06); padding: 44px 0 56px; text-align: center; }
footer.site-footer p { color: var(--text-dim); font-size: 0.86rem; margin: 0 0 16px; }
.footer-links { display: flex; gap: 20px; justify-content: center; flex-wrap: wrap; font-size: 0.86rem; }

@media (max-width: 880px) {
  .hero-wrap { grid-template-columns: 1fr; }
  .hero-art { height: 240px; order: -1; }
  .bento { grid-template-columns: 1fr; }
  .grid-split { grid-template-columns: 1fr; }
}

/* ── Auth page (unchanged behavior, restyled) ─────────────────────────── */
.auth-shell { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 24px; position: relative; z-index: 1; }
.auth-card {
  width: 100%; max-width: 400px;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 34px 30px;
  backdrop-filter: blur(14px);
}
.auth-card h1 { font-size: 1.3rem; margin: 0 0 4px; text-align: center; }
.auth-card p.sub { color: var(--text-dim); text-align: center; font-size: 0.88rem; margin: 0 0 26px; }
.tabs { display: flex; border: 1px solid var(--card-border); border-radius: 999px; overflow: hidden; margin-bottom: 22px; }
.tabs button { flex: 1; background: transparent; border: none; color: var(--text-dim); padding: 10px 0; font-size: 0.88rem; cursor: pointer; font-family: var(--font-body); }
.tabs button.active { background: rgba(255,255,255,0.08); color: var(--text); font-weight: 600; }
.field { margin-bottom: 14px; }
.field label { display: block; font-size: 0.82rem; color: var(--text-dim); margin-bottom: 6px; }
.field input {
  width: 100%; padding: 11px 14px; border-radius: 10px;
  border: 1px solid var(--card-border); background: rgba(255,255,255,0.03);
  color: var(--text); font-size: 0.95rem; font-family: var(--font-body);
}
.field input:focus { outline: none; border-color: var(--accent-2); }
.msg { font-size: 0.85rem; margin: 10px 0 0; min-height: 1.1em; }
.msg.error { color: var(--danger); }
.msg.ok { color: var(--ok); }
.pane { display: none; }
.pane.active { display: block; }