/* APlus FX Signals — dark fintech UI */
:root {
  --bg: #0b0f14;
  --bg-elevated: #121820;
  --bg-card: #161d27;
  --border: #243041;
  --text: #e8eef6;
  --muted: #8b9bb0;
  --accent: #3d9cf0;
  --accent-dim: #1e4f7a;
  --green: #22c55e;
  --green-bg: rgba(34, 197, 94, 0.12);
  --red: #ef4444;
  --red-bg: rgba(239, 68, 68, 0.12);
  --amber: #f59e0b;
  --radius: 12px;
  --font: "Inter", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --max: 1100px;
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; }

.container { width: min(100% - 2rem, var(--max)); margin-inline: auto; }

/* Nav */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(11, 15, 20, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.85rem 0; gap: 1rem;
}
.logo {
  font-weight: 700; font-size: 1.05rem; color: var(--text);
  display: flex; align-items: center; gap: 0.5rem; text-decoration: none;
}
.logo-mark {
  width: 28px; height: 28px; border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), #6366f1);
  display: grid; place-items: center; font-size: 0.75rem; font-weight: 800;
}
.nav-links { display: flex; flex-wrap: wrap; gap: 0.25rem 1rem; align-items: center; }
.nav-links a { color: var(--muted); font-size: 0.9rem; text-decoration: none; }
.nav-links a:hover, .nav-links a.active { color: var(--text); }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.4rem;
  padding: 0.65rem 1.2rem; border-radius: 8px; border: 1px solid transparent;
  font-weight: 600; font-size: 0.9rem; cursor: pointer;
  transition: background 0.15s, border-color 0.15s, transform 0.1s;
  text-decoration: none; font-family: inherit;
}
.btn:active { transform: scale(0.98); }
.btn-primary {
  background: var(--accent); color: #fff;
}
.btn-primary:hover { background: #5aadf5; text-decoration: none; color: #fff; }
.btn-ghost {
  background: transparent; color: var(--text); border-color: var(--border);
}
.btn-ghost:hover { border-color: var(--muted); text-decoration: none; color: var(--text); }
.btn-block { width: 100%; }

/* Hero */
.hero {
  padding: 4rem 0 3rem;
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(61, 156, 240, 0.25), transparent),
    var(--bg);
}
.hero h1 {
  font-size: clamp(1.8rem, 4vw, 2.75rem);
  line-height: 1.2; margin: 0 0 1rem; letter-spacing: -0.02em;
}
.hero .lead { color: var(--muted); font-size: 1.1rem; max-width: 36rem; margin-bottom: 1.75rem; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 0.75rem; }
.badge {
  display: inline-block; padding: 0.25rem 0.65rem; border-radius: 999px;
  background: var(--accent-dim); color: #a8d4ff; font-size: 0.75rem; font-weight: 600;
  margin-bottom: 1rem;
}

/* Sections */
section { padding: 3rem 0; }
section h2 { font-size: 1.5rem; margin: 0 0 0.5rem; letter-spacing: -0.02em; }
.section-lead { color: var(--muted); margin: 0 0 2rem; max-width: 40rem; }

.grid-3 {
  display: grid; gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}
.grid-2 {
  display: grid; gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.35rem;
  box-shadow: var(--shadow);
}
.card h3 { margin: 0 0 0.5rem; font-size: 1.05rem; }
.card p { margin: 0; color: var(--muted); font-size: 0.95rem; }

.pair-chip {
  display: inline-flex; align-items: center; gap: 0.35rem;
  padding: 0.45rem 0.85rem; border-radius: 8px;
  background: var(--bg-elevated); border: 1px solid var(--border);
  font-family: var(--mono); font-size: 0.85rem; font-weight: 600;
}

/* Timeline */
.timeline { list-style: none; padding: 0; margin: 0; counter-reset: step; }
.timeline li {
  position: relative; padding: 0 0 1.5rem 2.5rem;
  border-left: 2px solid var(--border); margin-left: 0.75rem;
}
.timeline li:last-child { border-left-color: transparent; padding-bottom: 0; }
.timeline li::before {
  counter-increment: step;
  content: counter(step);
  position: absolute; left: -0.9rem; top: 0;
  width: 1.6rem; height: 1.6rem; border-radius: 50%;
  background: var(--accent); color: #fff;
  font-size: 0.75rem; font-weight: 700;
  display: grid; place-items: center;
}
.timeline strong { display: block; margin-bottom: 0.2rem; }
.timeline span { color: var(--muted); font-size: 0.9rem; }

/* Pricing */
.price-card {
  text-align: center; max-width: 380px; margin: 0 auto;
  padding: 2rem 1.5rem;
}
.price-card .amount {
  font-size: 3rem; font-weight: 800; letter-spacing: -0.03em; margin: 0.5rem 0;
}
.price-card .amount small { font-size: 1rem; font-weight: 500; color: var(--muted); }
.price-features { text-align: left; list-style: none; padding: 0; margin: 1.5rem 0; }
.price-features li {
  padding: 0.45rem 0 0.45rem 1.5rem; position: relative; color: var(--muted); font-size: 0.95rem;
}
.price-features li::before {
  content: "✓"; position: absolute; left: 0; color: var(--green); font-weight: 700;
}

/* Forms */
.form-group { margin-bottom: 1rem; }
.form-group label {
  display: block; font-size: 0.85rem; font-weight: 600; margin-bottom: 0.35rem; color: var(--muted);
}
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 0.7rem 0.85rem;
  background: var(--bg); border: 1px solid var(--border); border-radius: 8px;
  color: var(--text); font-family: inherit; font-size: 0.95rem;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none; border-color: var(--accent);
}
.checkbox-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); gap: 0.5rem;
}
.checkbox-grid label {
  display: flex; align-items: center; gap: 0.4rem;
  font-weight: 500; color: var(--text); cursor: pointer;
  padding: 0.4rem 0.5rem; border-radius: 6px; background: var(--bg);
  border: 1px solid var(--border); font-size: 0.85rem;
}
.form-error { color: var(--red); font-size: 0.9rem; margin: 0.5rem 0; }
.form-success { color: var(--green); font-size: 0.9rem; margin: 0.5rem 0; }
.wallet-box {
  font-family: var(--mono); font-size: 0.8rem; word-break: break-all;
  background: var(--bg); border: 1px solid var(--border); border-radius: 8px;
  padding: 0.75rem; margin: 0.35rem 0 0.85rem;
}
.ref-highlight {
  font-family: var(--mono); font-weight: 700; color: var(--amber);
  background: rgba(245, 158, 11, 0.12); padding: 0.2rem 0.5rem; border-radius: 4px;
}

/* Signal cards */
.signal-card {
  border-left: 4px solid var(--border);
}
.signal-card.buy { border-left-color: var(--green); background: linear-gradient(90deg, var(--green-bg), var(--bg-card) 40%); }
.signal-card.sell { border-left-color: var(--red); background: linear-gradient(90deg, var(--red-bg), var(--bg-card) 40%); }
.signal-head {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 0.5rem;
  margin-bottom: 0.75rem;
}
.signal-symbol { font-family: var(--mono); font-weight: 700; font-size: 1.1rem; }
.side-pill {
  font-size: 0.75rem; font-weight: 700; padding: 0.2rem 0.55rem; border-radius: 6px; letter-spacing: 0.04em;
}
.side-pill.buy { background: var(--green); color: #052e16; }
.side-pill.sell { background: var(--red); color: #fff; }
.status-tag {
  font-size: 0.75rem; color: var(--muted);
  background: var(--bg); padding: 0.2rem 0.5rem; border-radius: 4px; border: 1px solid var(--border);
}
.signal-meta {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(100px, 1fr)); gap: 0.5rem;
  font-size: 0.85rem;
}
.signal-meta dt { color: var(--muted); font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.04em; }
.signal-meta dd { margin: 0; font-family: var(--mono); font-weight: 600; }

/* Footer */
.footer {
  margin-top: auto; border-top: 1px solid var(--border);
  padding: 2rem 0; background: var(--bg-elevated);
}
.footer p { color: var(--muted); font-size: 0.85rem; margin: 0.4rem 0; }
.disclaimer {
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1rem 1.25rem; background: var(--bg-card); margin-top: 1.5rem;
}
.disclaimer h4 { margin: 0 0 0.5rem; font-size: 0.9rem; color: var(--amber); }
.disclaimer p { font-size: 0.8rem; color: var(--muted); margin: 0; }

/* Dashboard */
.dash-header {
  display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center;
  gap: 1rem; margin-bottom: 1.5rem;
}
.tabs { display: flex; gap: 0.35rem; margin-bottom: 1.25rem; flex-wrap: wrap; }
.tab {
  padding: 0.45rem 0.9rem; border-radius: 8px; border: 1px solid var(--border);
  background: transparent; color: var(--muted); cursor: pointer; font-family: inherit; font-size: 0.85rem;
}
.tab.active, .tab:hover { background: var(--bg-card); color: var(--text); border-color: var(--accent-dim); }
.empty { text-align: center; padding: 2.5rem; color: var(--muted); }

.alert-box {
  padding: 0.85rem 1rem; border-radius: 8px; margin-bottom: 1rem;
  background: rgba(245, 158, 11, 0.1); border: 1px solid rgba(245, 158, 11, 0.35);
  color: #fbbf24; font-size: 0.9rem;
}

code, .code {
  font-family: var(--mono); font-size: 0.85em;
  background: var(--bg); padding: 0.15rem 0.4rem; border-radius: 4px;
}
pre {
  background: var(--bg); border: 1px solid var(--border); border-radius: 8px;
  padding: 1rem; overflow-x: auto; font-family: var(--mono); font-size: 0.8rem;
  line-height: 1.5;
}

@media (max-width: 640px) {
  .nav-links .hide-sm { display: none; }
  .hero { padding: 2.5rem 0 2rem; }
}