:root {
    --trade-bg: #f4f6f8;
    --trade-text: #2c3e50;
    --trade-primary: #3498db; /* Trust Blue */
    --trade-secondary: #ffffff;
    --trade-accent: #e74c3c; /* Action Red */
    --trade-border: #dcdde1;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    background-color: var(--trade-bg); color: var(--trade-text);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6; overflow-x: hidden;
}

.trade-container { max-width: 1100px; margin: 0 auto; padding: 0 20px;}

/* Header */
.trade-header {
    display: flex; justify-content: space-between; align-items: center;
    padding: 20px 0; margin-bottom: 30px; border-bottom: 2px solid var(--trade-primary);
    background: var(--trade-secondary); position: sticky; top: 0; z-index: 100;
}
.trade-brand {
    font-size: 26px; font-weight: 700; color: var(--trade-primary);
    display: flex; align-items: center; gap: 10px; margin-left: 20px;
}
.trade-brand::before {
    content: '🛡️'; font-size: 24px;
}
.trade-nav { display: flex; gap: 25px; margin-right: 20px;}
.trade-nav a {
    font-size: 15px; font-weight: 600; color: var(--trade-text); text-decoration: none;
    padding: 8px 15px; border-radius: 4px; transition: all 0.3s;
}
.trade-nav a:hover, .trade-nav a.active { background: var(--trade-primary); color: var(--trade-secondary); }

/* Hero */
.trade-hero {
    text-align: center; padding: 80px 20px; background: var(--trade-secondary);
    border-radius: 8px; box-shadow: 0 4px 15px rgba(0,0,0,0.05); margin-bottom: 60px;
    border-top: 4px solid var(--trade-accent);
}
.trade-hero h1 {
    font-size: 40px; font-weight: 700; margin-bottom: 20px; color: var(--trade-text);
}
.trade-hero p { font-size: 18px; color: #7f8c8d; margin-bottom: 40px; max-width: 700px; margin-left: auto; margin-right: auto;}

.btn-trade {
    display: inline-block; padding: 14px 35px; font-size: 16px; font-weight: bold;
    color: var(--trade-secondary); background: var(--trade-accent); border-radius: 4px;
    transition: all 0.3s; margin: 0 10px; text-decoration: none;
}
.btn-trade:hover { background: #c0392b; transform: translateY(-2px); box-shadow: 0 4px 10px rgba(231, 76, 60, 0.3);}
.btn-trade-alt {
    display: inline-block; padding: 14px 35px; font-size: 16px; font-weight: bold;
    color: var(--trade-primary); background: transparent; border: 2px solid var(--trade-primary);
    border-radius: 4px; transition: all 0.3s; margin: 0 10px; text-decoration: none;
}
.btn-trade-alt:hover { background: var(--trade-primary); color: var(--trade-secondary); }

/* Stats */
.trade-stats {
    display: flex; justify-content: space-around; margin-bottom: 60px;
    background: var(--trade-primary); color: var(--trade-secondary); padding: 40px 20px;
    border-radius: 8px;
}
.ts-item { text-align: center; }
.ts-val { font-size: 36px; font-weight: 700; margin-bottom: 5px;}
.ts-lbl { font-size: 14px; opacity: 0.9; text-transform: uppercase;}

/* Features */
.trade-features { margin-bottom: 60px;}
.trade-features h2 { font-size: 28px; text-align: center; margin-bottom: 40px; border-bottom: 2px solid var(--trade-border); padding-bottom: 10px;}
.tf-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 30px;}
.tf-card {
    background: var(--trade-secondary); padding: 30px; border-radius: 8px;
    border-left: 4px solid var(--trade-primary); box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}
.tf-card h3 { font-size: 20px; margin-bottom: 15px; color: var(--trade-primary);}
.tf-card p { font-size: 15px; color: #555;}

/* Nodes */
.trade-nodes { margin-bottom: 60px;}
.trade-nodes h2 { font-size: 28px; text-align: center; margin-bottom: 40px; border-bottom: 2px solid var(--trade-border); padding-bottom: 10px;}
.tn-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;}
.tn-item {
    background: var(--trade-secondary); padding: 20px; text-align: center;
    border-radius: 8px; border: 1px solid var(--trade-border); font-weight: bold;
    color: var(--trade-text);
}

/* FAQ */
.trade-faq { margin-bottom: 80px;}
.trade-faq h2 { font-size: 28px; text-align: center; margin-bottom: 40px; border-bottom: 2px solid var(--trade-border); padding-bottom: 10px;}
.t-faq-item {
    background: var(--trade-secondary); padding: 25px; border-radius: 8px;
    margin-bottom: 15px; box-shadow: 0 2px 5px rgba(0,0,0,0.02);
}
.t-fq { font-size: 18px; font-weight: 600; margin-bottom: 10px; color: var(--trade-text);}
.t-fa { font-size: 15px; color: #666;}

footer {
    text-align: center; padding: 30px 0; color: #7f8c8d; font-size: 14px;
    border-top: 1px solid var(--trade-border); background: var(--trade-secondary);
}

@media (max-width: 768px) {
    .trade-header { flex-direction: column; gap: 15px; padding: 15px 0;}
    .trade-brand { margin-left: 0; }
    .trade-nav { margin-right: 0; flex-wrap: wrap; justify-content: center;}
    .trade-stats { flex-direction: column; gap: 30px; }
    .tf-grid { grid-template-columns: 1fr; }
    .tn-list { grid-template-columns: 1fr 1fr; }
    .btn-trade, .btn-trade-alt { display: block; margin: 10px auto; width: 80%;}
}