/* finance.d4n.uk — shares the app's design tokens (see frontend/src/index.css) */

:root {
  --bg:           #0f1117;
  --surface:      #1a1d27;
  --surface-deep: #13151f;
  --border:       #2a2d3a;
  --border-strong:#3a3d4d;
  --text:         #e0e0e0;
  --text-2:       #c0c4d8;
  --muted:        #8b8fa8;
  --accent:       #7c6af7;
  --accent-soft:  #7c6af722;
  --accent-glow:  #7c6af755;
  --warn:         #f59e0b;
  --warn-soft:    #f59e0b22;
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ── Nav ──────────────────────────────────────────────────────────────── */
.nav {
  position: sticky;
  top: 0;
  background: #0f1117ee;
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  z-index: 10;
}
.nav-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.brand { font-weight: 700; font-size: 18px; letter-spacing: -0.02em; }
.brand-accent { color: var(--accent); }
.alpha-badge {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--warn);
  background: var(--warn-soft);
  border: 1px solid var(--warn);
  border-radius: 999px;
  padding: 2px 9px;
}
.nav-links { margin-left: auto; display: flex; gap: 22px; align-items: center; }
.nav-links a { color: var(--text-2); text-decoration: none; font-size: 14px; }
.nav-links a:hover { color: var(--text); }
.nav-links .nav-demo {
  color: var(--text);
  background: var(--accent-soft);
  border: 1px solid var(--accent);
  border-radius: 8px;
  padding: 6px 14px;
}
.nav-links .nav-demo:hover { background: var(--accent); color: #fff; }

/* ── Hero ─────────────────────────────────────────────────────────────── */
.hero {
  max-width: 820px;
  margin: 0 auto;
  padding: 96px 24px 72px;
  text-align: center;
}
.hero-kicker {
  color: var(--warn);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 18px;
}
.hero h1 {
  font-size: clamp(34px, 6vw, 56px);
  line-height: 1.12;
  letter-spacing: -0.03em;
  font-weight: 800;
}
.hero .grad {
  background: linear-gradient(90deg, var(--accent), #4ade80);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-sub {
  color: var(--text-2);
  font-size: 18px;
  max-width: 620px;
  margin: 22px auto 34px;
}
.hero-ctas { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.btn {
  display: inline-block;
  border-radius: 10px;
  padding: 12px 26px;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 0 24px var(--accent-glow);
}
.btn-primary:hover { filter: brightness(1.1); }
.btn-ghost {
  color: var(--muted);
  border: 1px solid var(--border-strong);
  cursor: default;
}
.hero-note { color: var(--muted); font-size: 13px; margin-top: 20px; }

/* ── Features ─────────────────────────────────────────────────────────── */
.features { max-width: 1080px; margin: 0 auto; padding: 48px 24px 72px; }
.features h2, .privacy h2, .cta-strip h2 {
  font-size: 28px;
  letter-spacing: -0.02em;
  margin-bottom: 32px;
  text-align: center;
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 18px;
}
.feature {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 22px;
}
.feature h3 { font-size: 16px; margin-bottom: 8px; }
.feature p { color: var(--muted); font-size: 14px; }

/* ── Privacy ──────────────────────────────────────────────────────────── */
.privacy {
  background: var(--surface-deep);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 64px 24px;
}
.privacy-cols {
  max-width: 1080px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 32px;
}
.privacy h3 { font-size: 16px; margin-bottom: 10px; color: var(--accent); }
.privacy p { color: var(--text-2); font-size: 14px; }

/* ── CTA strip / footer ───────────────────────────────────────────────── */
.cta-strip { text-align: center; padding: 72px 24px; }
.cta-strip p { color: var(--muted); margin: -18px 0 28px; }
.footer {
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 13px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  padding: 22px 24px;
  max-width: 1080px;
  margin: 0 auto;
}