/* GoldFX marketing site v4 — benchmark-grade dark terminal theme */
@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500&display=swap");

:root {
  --m4s-bg: #080b10;
  --m4s-surface: #0f1419;
  --m4s-surface-2: #151b23;
  --m4s-border: #21262d;
  --m4s-border-soft: #30363d;
  --m4s-text: #f0f3f6;
  --m4s-muted: #8b949e;
  --m4s-gold: #d4af37;
  --m4s-gold-dim: #9a7b1a;
  --m4s-up: #3fb950;
  --m4s-down: #f85149;
  --m4s-font: "IBM Plex Sans", system-ui, sans-serif;
  --m4s-mono: "IBM Plex Mono", ui-monospace, monospace;
  --m4s-shadow: 0 12px 48px rgba(0, 0, 0, 0.5);
  --m4s-radius: 12px;
  --m4s-radius-lg: 16px;
}

*, *::before, *::after { box-sizing: border-box; }
body { margin: 0; font-family: var(--m4s-font); background: var(--m4s-bg); color: var(--m4s-text); line-height: 1.55; -webkit-font-smoothing: antialiased; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }
.m4s-skip { position: absolute; left: -9999px; }
.m4s-skip:focus { left: 1rem; top: 1rem; z-index: 999; background: var(--m4s-gold); color: #080b10; padding: 0.5rem 1rem; border-radius: 8px; }

.m4s-xau-bar { background: var(--m4s-surface); border-bottom: 1px solid var(--m4s-border); position: sticky; top: 0; z-index: 50; }
.m4s-xau-inner { max-width: 1200px; margin: 0 auto; padding: 0.55rem 1.25rem; display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem 1rem; font-size: 0.85rem; }
.m4s-xau-pulse { width: 8px; height: 8px; border-radius: 50%; background: var(--m4s-up); box-shadow: 0 0 8px var(--m4s-up); animation: m4s-pulse 2s infinite; }
@keyframes m4s-pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.35; } }
.m4s-xau-label { color: var(--m4s-muted); text-transform: uppercase; letter-spacing: 0.08em; font-size: 0.68rem; font-weight: 600; }
#m4s-spot-oz { font-family: var(--m4s-mono); font-variant-numeric: tabular-nums; }
.m4s-xau-unit { color: var(--m4s-muted); }
.m4s-xau-change { font-family: var(--m4s-mono); font-weight: 600; font-size: 0.8rem; }
.m4s-xau-change.up { color: var(--m4s-up); }
.m4s-xau-change.down { color: var(--m4s-down); }
.m4s-fx-pick select { background: var(--m4s-bg); color: var(--m4s-text); border: 1px solid var(--m4s-border-soft); border-radius: 8px; padding: 0.3rem 0.55rem; font-size: 0.78rem; font-weight: 600; cursor: pointer; }
.m4s-xau-cta { margin-left: auto; color: var(--m4s-gold); text-decoration: none; font-weight: 700; font-size: 0.82rem; }
.m4s-xau-cta:hover { text-decoration: underline; }

.m4s-nav { border-bottom: 1px solid var(--m4s-border); background: rgba(8, 11, 16, 0.92); backdrop-filter: blur(12px); }
.m4s-nav.scrolled { box-shadow: 0 4px 32px rgba(0,0,0,0.4); }
.m4s-nav-inner { max-width: 1200px; margin: 0 auto; padding: 0.85rem 1.25rem; display: flex; align-items: center; gap: 1rem; }
.m4s-logo { display: flex; align-items: center; gap: 0.55rem; text-decoration: none; color: var(--m4s-text); font-weight: 700; font-size: 1.05rem; }
.m4s-mark { display: inline-flex; align-items: center; justify-content: center; width: 2rem; height: 2rem; border-radius: 8px; background: linear-gradient(145deg, var(--m4s-gold), var(--m4s-gold-dim)); color: #080b10; font-size: 0.55rem; font-weight: 800; letter-spacing: -0.02em; }
.m4s-mark.sm { width: 1.5rem; height: 1.5rem; font-size: 0.45rem; }
.m4s-nav-toggle { display: none; background: var(--m4s-surface-2); border: 1px solid var(--m4s-border-soft); color: var(--m4s-text); padding: 0.4rem 0.65rem; border-radius: 8px; margin-left: auto; cursor: pointer; }
.m4s-nav-links { display: flex; align-items: center; gap: 1.5rem; margin-left: auto; }
.m4s-nav-links a:not(.m4s-btn) { color: var(--m4s-muted); text-decoration: none; font-size: 0.88rem; font-weight: 500; }
.m4s-nav-links a:not(.m4s-btn):hover { color: var(--m4s-text); }
.m4s-btn { display: inline-block; padding: 0.5rem 1rem; border-radius: 10px; text-decoration: none; font-weight: 700; font-size: 0.88rem; border: none; cursor: pointer; transition: filter 0.15s, transform 0.1s; }
.m4s-btn:active { transform: scale(0.98); }
.m4s-btn-gold { background: linear-gradient(180deg, #e8c84a, var(--m4s-gold)); color: #080b10; box-shadow: 0 2px 12px rgba(212, 175, 55, 0.25); }
.m4s-btn-gold:hover { filter: brightness(1.06); }
.m4s-btn-ghost { background: transparent; color: var(--m4s-text); border: 1px solid var(--m4s-border-soft); }
.m4s-btn-ghost:hover { border-color: var(--m4s-muted); background: rgba(255,255,255,0.03); }
.m4s-btn-lg { padding: 0.8rem 1.6rem; font-size: 0.95rem; }

.m4s-hero { position: relative; padding: 4.5rem 1.25rem 3.5rem; overflow: hidden; }
.m4s-hero-bg { position: absolute; inset: 0; background: radial-gradient(ellipse 90% 70% at 50% -10%, rgba(212, 175, 55, 0.14), transparent 55%), radial-gradient(ellipse 50% 40% at 80% 60%, rgba(46, 160, 67, 0.04), transparent); pointer-events: none; }
.m4s-hero-inner { max-width: 760px; margin: 0 auto; text-align: center; position: relative; }
.m4s-kicker { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.14em; color: var(--m4s-gold); margin: 0 0 1rem; font-weight: 700; }
.m4s-hero h1 { font-size: clamp(2.25rem, 5.5vw, 3.25rem); font-weight: 700; margin: 0 0 1.1rem; line-height: 1.1; letter-spacing: -0.03em; }
.m4s-hero-lead { font-size: 1.08rem; color: var(--m4s-muted); margin: 0 0 2rem; max-width: 600px; margin-left: auto; margin-right: auto; }
.m4s-hero-actions { display: flex; flex-wrap: wrap; gap: 0.85rem; justify-content: center; margin-bottom: 2rem; }
.m4s-hero-badges { display: flex; flex-wrap: wrap; gap: 0.65rem; justify-content: center; font-size: 0.78rem; color: var(--m4s-muted); }
.m4s-hero-badges span { padding: 0.4rem 0.85rem; border: 1px solid var(--m4s-border-soft); border-radius: 999px; background: rgba(255,255,255,0.02); }
.m4s-trust-strip { font-size: 0.78rem; color: var(--m4s-muted); margin: 1.25rem 0 0; letter-spacing: 0.02em; }

@media (prefers-reduced-motion: no-preference) {
  .m4s-reveal { opacity: 0; transform: translateY(12px); transition: opacity 0.5s ease, transform 0.5s ease; }
  .m4s-reveal.visible { opacity: 1; transform: none; }
}

.m4s-benchmark { padding: 0 1.25rem 2.5rem; }
.m4s-benchmark-inner { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: repeat(4, 1fr); gap: 0.85rem; }
.m4s-bench-card { padding: 1.15rem; border: 1px solid var(--m4s-border); border-radius: var(--m4s-radius); background: var(--m4s-surface); transition: border-color 0.15s; }
.m4s-bench-card:hover { border-color: rgba(212, 175, 55, 0.35); }
.m4s-bench-icon { display: block; font-size: 1.1rem; color: var(--m4s-gold); margin-bottom: 0.5rem; opacity: 0.9; }
.m4s-bench-card h3 { margin: 0 0 0.35rem; font-size: 0.88rem; font-weight: 700; }
.m4s-bench-card p { margin: 0; font-size: 0.78rem; color: var(--m4s-muted); line-height: 1.45; }

.product-trade-inline { padding: 2.5rem 1.25rem 3.5rem; background: linear-gradient(180deg, var(--m4s-surface) 0%, var(--m4s-bg) 100%); border-top: 1px solid var(--m4s-border); border-bottom: 1px solid var(--m4s-border); }
.m4s-room-head { max-width: 1200px; margin: 0 auto 1.25rem; text-align: center; }
.m4s-room-head h2 { margin: 0.25rem 0; font-size: 1.6rem; letter-spacing: -0.02em; }
.m4s-room-head p { color: var(--m4s-muted); margin: 0; font-size: 0.92rem; }

.product-trade-inline .app-stage { max-width: 1200px; margin: 0 auto; }
.product-trade-inline .m4-device { max-width: 1200px; }

.m4s-disclaimer { max-width: 720px; margin: 0 auto; padding: 2rem 1.25rem; text-align: center; font-size: 0.88rem; color: var(--m4s-muted); }
.m4s-disclaimer strong { color: var(--m4s-gold); }

.m4s-section { max-width: 1200px; margin: 0 auto; padding: 4rem 1.25rem; }
.m4s-section--alt { max-width: none; background: var(--m4s-surface); border-top: 1px solid var(--m4s-border); border-bottom: 1px solid var(--m4s-border); }
.m4s-section--alt > .m4s-section-head,
.m4s-section--alt > .m4s-table-wrap,
.m4s-section--alt > .m4s-faq { max-width: 1200px; margin-left: auto; margin-right: auto; }
.m4s-section-head { text-align: center; margin-bottom: 2.5rem; }
.m4s-section-head h2 { font-size: 1.85rem; margin: 0 0 0.5rem; letter-spacing: -0.02em; }
.m4s-section-lead { color: var(--m4s-muted); margin: 0; font-size: 0.95rem; }
.m4s-features { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 1rem; }
.m4s-feature { padding: 1.35rem; border: 1px solid var(--m4s-border); border-radius: var(--m4s-radius); background: var(--m4s-surface); transition: border-color 0.15s; }
.m4s-feature:hover { border-color: var(--m4s-border-soft); }
.m4s-feature h3 { margin: 0 0 0.45rem; color: var(--m4s-gold); font-size: 0.95rem; font-weight: 700; }
.m4s-feature p { margin: 0; font-size: 0.88rem; color: var(--m4s-muted); }

.m4s-learn-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.m4s-learn-card { padding: 1.35rem; border: 1px solid var(--m4s-border); border-radius: var(--m4s-radius-lg); background: var(--m4s-surface); display: flex; flex-direction: column; gap: 0.55rem; transition: border-color 0.15s; }
.m4s-learn-card--active { border-color: var(--m4s-gold); box-shadow: 0 0 0 1px rgba(212, 175, 55, 0.2), var(--m4s-shadow); }
.m4s-learn-card h3 { margin: 0; font-size: 1rem; color: var(--m4s-gold); font-weight: 700; }
.m4s-learn-card p { margin: 0; flex: 1; font-size: 0.86rem; color: var(--m4s-muted); }
.m4s-learn-card .m4s-btn { align-self: flex-start; margin-top: 0.5rem; font-size: 0.78rem; }

.m4s-table-wrap { overflow-x: auto; border: 1px solid var(--m4s-border); border-radius: var(--m4s-radius); max-width: 720px; margin: 0 auto; }
.m4s-fees-table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
.m4s-fees-table th, .m4s-fees-table td { padding: 0.75rem 1.1rem; text-align: left; border-bottom: 1px solid var(--m4s-border); }
.m4s-fees-table th { background: var(--m4s-surface-2); color: var(--m4s-muted); font-weight: 700; font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.05em; }
.m4s-fees-table tbody tr:last-child td { border-bottom: none; }

.m4s-footer-community { margin: 0 0 1rem; }
.m4s-footer-community a { color: var(--m4s-gold); text-decoration: none; font-size: 0.9rem; font-weight: 600; }
.m4s-footer-community a:hover { text-decoration: underline; }

.m4s-faq { max-width: 640px; margin: 0 auto; padding: 0 1.25rem; }
.m4s-faq-item { border-bottom: 1px solid var(--m4s-border); }
.m4s-faq-q { width: 100%; text-align: left; background: none; border: none; color: var(--m4s-text); padding: 1.1rem 0; font-size: 0.98rem; font-weight: 600; cursor: pointer; font-family: inherit; }
.m4s-faq-q:hover { color: var(--m4s-gold); }
.m4s-faq-a { display: none; padding: 0 0 1.1rem; color: var(--m4s-muted); font-size: 0.9rem; }
.m4s-faq-item.open .m4s-faq-a { display: block; }

.m4s-footer { border-top: 1px solid var(--m4s-border); padding: 2.5rem 1.25rem; background: var(--m4s-bg); }
.m4s-footer-inner { max-width: 1200px; margin: 0 auto; text-align: center; }
.m4s-footer-brand { display: flex; align-items: center; justify-content: center; gap: 0.5rem; font-weight: 700; margin: 0 0 1rem; }
.m4s-footer-links { display: flex; gap: 1.75rem; justify-content: center; margin-bottom: 1rem; flex-wrap: wrap; }
.m4s-footer-links a { color: var(--m4s-muted); text-decoration: none; font-size: 0.88rem; font-weight: 500; }
.m4s-footer-links a:hover { color: var(--m4s-text); }
.m4s-footer-copy { font-size: 0.78rem; color: var(--m4s-muted); margin: 0; }

.m4s-reveal { opacity: 1; transform: none; }

@media (max-width: 900px) {
  .m4s-benchmark-inner { grid-template-columns: repeat(2, 1fr); }
  .m4s-learn-cards { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .m4s-nav-toggle { display: block; }
  .m4s-nav-links { display: none; position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; background: var(--m4s-bg); border-bottom: 1px solid var(--m4s-border); padding: 1rem 1.25rem; gap: 0.85rem; }
  .m4s-nav-links.open { display: flex; }
  .m4s-nav-inner { position: relative; flex-wrap: wrap; }
  .m4s-benchmark-inner { grid-template-columns: 1fr; }
}

@media (max-width: 520px) {
  .m4s-xau-cta { width: 100%; text-align: center; margin-left: 0; margin-top: 0.25rem; }
}