/* Acme Trading marketing site — placeholder brand, dark fintech theme.
   Self-contained; no framework. Swap the palette / brand at rename time. */
:root {
  --navy: #0b1220;
  --navy-2: #0f1a2e;
  --card: #131f36;
  --border: #22304d;
  --text: #e8eef7;
  --muted: #9fb0c9;
  --brand: #4ea1ff;
  --brand-2: #6ad3b0;
  --accent: #1f6feb;
  --radius: 14px;
  --maxw: 1080px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background: radial-gradient(1200px 600px at 70% -10%, #16223c 0%, var(--navy) 55%) no-repeat, var(--navy);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.container.narrow { max-width: 760px; }

a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Nav */
.nav {
  position: sticky; top: 0; z-index: 10;
  backdrop-filter: blur(10px);
  background: rgba(11, 18, 32, 0.72);
  border-bottom: 1px solid var(--border);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 1.15rem; color: var(--text); }
.brand:hover { text-decoration: none; }
.brand-mark { color: var(--brand); font-size: 1.1em; }
.nav-links { display: flex; align-items: center; gap: 26px; }
.nav-links a { color: var(--muted); font-size: 0.95rem; }
.nav-links a:hover { color: var(--text); text-decoration: none; }

/* Buttons */
.btn {
  display: inline-block; padding: 12px 20px; border-radius: 10px; font-weight: 600;
  font-size: 0.98rem; cursor: pointer; transition: transform .05s ease, background .15s ease, border-color .15s ease;
}
.btn:hover { text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn-primary { background: linear-gradient(135deg, var(--accent), var(--brand)); color: #fff; border: 1px solid transparent; }
.btn-primary:hover { background: linear-gradient(135deg, #2a7cf0, #63b0ff); }
.btn-ghost { background: transparent; color: var(--text); border: 1px solid var(--border); }
.btn-ghost:hover { border-color: var(--brand); color: #fff; }
.btn-lg { padding: 15px 28px; font-size: 1.05rem; }

/* Hero */
.hero { padding: 84px 0 64px; }
.hero-inner { max-width: 780px; }
.eyebrow { text-transform: uppercase; letter-spacing: .14em; font-size: .78rem; color: var(--brand-2); font-weight: 700; margin: 0 0 14px; }
.hero h1 { font-size: clamp(2.1rem, 5vw, 3.4rem); line-height: 1.08; margin: 0 0 20px; letter-spacing: -0.02em; }
.lede { font-size: 1.18rem; color: var(--muted); margin: 0 0 28px; }
.cta-row { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 18px; }
.disclaimer-inline { font-size: .9rem; color: var(--muted); margin: 0; }

/* Trust bar */
.trustbar { border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); background: var(--navy-2); }
.trust-inner { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; padding: 16px 24px; color: var(--muted); font-size: .95rem; }
.trust-inner strong { color: var(--text); }

/* Sections */
.section { padding: 76px 0; }
.section-alt { background: var(--navy-2); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-title { font-size: clamp(1.6rem, 3.5vw, 2.3rem); text-align: center; margin: 0 0 10px; letter-spacing: -0.01em; }
.section-sub { text-align: center; color: var(--muted); margin: 0 auto 44px; max-width: 620px; }

/* Steps */
.steps { list-style: none; counter-reset: step; margin: 0; padding: 0; display: grid; gap: 18px; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }
.steps li { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; }
.step-num { display: inline-flex; align-items: center; justify-content: center; width: 34px; height: 34px; border-radius: 9px; background: rgba(78,161,255,.14); color: var(--brand); font-weight: 700; margin-bottom: 12px; }
.steps h3 { margin: 0 0 6px; font-size: 1.1rem; }
.steps p { margin: 0; color: var(--muted); font-size: .95rem; }

/* Feature grid */
.grid { display: grid; gap: 18px; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 26px; }
.card h3 { margin: 0 0 8px; font-size: 1.15rem; }
.card p { margin: 0; color: var(--muted); }

/* CTA band */
.cta-band { text-align: center; }
.cta-band-inner { background: linear-gradient(135deg, #12233f, #0f1a2e); border: 1px solid var(--border); border-radius: 20px; padding: 56px 24px; }
.cta-band h2 { margin: 0 0 10px; font-size: clamp(1.5rem, 3vw, 2.1rem); }
.cta-band p { color: var(--muted); margin: 0 0 26px; }

/* FAQ */
.faq details { border: 1px solid var(--border); border-radius: 12px; background: var(--card); padding: 4px 20px; margin-bottom: 12px; }
.faq summary { cursor: pointer; font-weight: 600; padding: 16px 0; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; float: right; color: var(--brand); font-weight: 700; }
.faq details[open] summary::after { content: '–'; }
.faq p { margin: 0 0 16px; color: var(--muted); }

/* Footer */
.footer { border-top: 1px solid var(--border); background: var(--navy-2); padding: 48px 0 32px; margin-top: 20px; }
.footer-inner { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.footer-brand { font-weight: 700; }
.footer-tag { font-weight: 400; color: var(--muted); margin: 8px 0 0; font-size: .92rem; }
.footer-links { display: flex; flex-direction: column; gap: 8px; }
.footer-links a { color: var(--muted); }
.footer-legal { margin-top: 28px; padding-top: 20px; border-top: 1px solid var(--border); }
.footer-legal p { color: #7c8aa5; font-size: .82rem; margin: 0; }

@media (max-width: 640px) {
  .nav-links { gap: 14px; }
  .nav-links a:not(.btn) { display: none; }
  .hero { padding: 56px 0 44px; }
  .section { padding: 56px 0; }
}