:root {
    --aurora-bg: #0f172a;
    --aurora-text: #f8fafc;
    --aurora-primary: #10b981;
    --aurora-secondary: #8b5cf6;
    --aurora-accent: #3b82f6;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    background-color: var(--aurora-bg); color: var(--aurora-text);
    font-family: 'Quicksand', -apple-system, sans-serif;
    line-height: 1.6; overflow-x: hidden;
}
/* Aurora Effect */
.aurora-bg {
    position: fixed; top: 0; left: 0; width: 100vw; height: 100vh; z-index: -1;
    background: #0f172a; overflow: hidden;
}
.aurora-bg::before, .aurora-bg::after {
    content: ''; position: absolute; width: 200%; height: 200%;
    top: -50%; left: -50%; opacity: 0.4; filter: blur(80px);
}
.aurora-bg::before {
    background: conic-gradient(from 0deg at 50% 50%, var(--aurora-primary), var(--aurora-secondary), var(--aurora-accent), var(--aurora-primary));
    animation: rotateAurora 20s linear infinite;
}
.aurora-bg::after {
    background: conic-gradient(from 180deg at 50% 50%, var(--aurora-accent), var(--aurora-primary), var(--aurora-secondary), var(--aurora-accent));
    animation: rotateAurora 30s linear infinite reverse; mix-blend-mode: overlay;
}
@keyframes rotateAurora { 100% { transform: rotate(360deg); } }

.aurora-container { max-width: 1100px; margin: 0 auto; padding: 0 20px; position: relative; z-index: 1;}

/* Header */
.aurora-header {
    display: flex; justify-content: space-between; align-items: center;
    padding: 30px 0; margin-bottom: 60px;
}
.aurora-brand {
    font-size: 28px; font-weight: 700; color: #fff;
    text-shadow: 0 0 20px rgba(16, 185, 129, 0.5); letter-spacing: 1px;
}
.aurora-nav { display: flex; gap: 30px; }
.aurora-nav a {
    font-size: 16px; font-weight: 500; color: #cbd5e1; transition: all 0.3s;
    padding: 8px 16px; border-radius: 20px;
}
.aurora-nav a:hover, .aurora-nav a.active {
    color: #fff; background: rgba(255,255,255,0.1); box-shadow: 0 0 15px rgba(255,255,255,0.1);
}

/* Hero */
.aurora-hero { text-align: center; margin-bottom: 100px; padding: 60px 0;}
.aurora-hero h1 {
    font-size: 60px; font-weight: 300; margin-bottom: 25px; color: #fff;
    line-height: 1.2;
}
.aurora-hero h1 strong { font-weight: 700; color: var(--aurora-primary); text-shadow: 0 0 30px rgba(16, 185, 129, 0.6);}
.aurora-hero p {
    font-size: 20px; color: #cbd5e1; margin-bottom: 40px; max-width: 700px; margin-left: auto; margin-right: auto;
}

.btn-aurora {
    display: inline-block; padding: 16px 40px; font-size: 16px; font-weight: 600;
    color: #fff; background: linear-gradient(45deg, var(--aurora-primary), var(--aurora-accent));
    border-radius: 30px; transition: all 0.3s; margin: 0 10px; border: none;
    box-shadow: 0 10px 25px rgba(16, 185, 129, 0.4);
}
.btn-aurora:hover { transform: translateY(-2px); box-shadow: 0 15px 35px rgba(16, 185, 129, 0.6); }
.btn-aurora-alt {
    display: inline-block; padding: 16px 40px; font-size: 16px; font-weight: 600;
    color: #fff; background: rgba(255,255,255,0.05); border-radius: 30px;
    border: 1px solid rgba(255,255,255,0.2); transition: all 0.3s; margin: 0 10px;
    backdrop-filter: blur(10px);
}
.btn-aurora-alt:hover { background: rgba(255,255,255,0.1); border-color: var(--aurora-primary); }

/* Stats */
.aurora-stats {
    display: flex; justify-content: space-around; margin-bottom: 100px;
    background: rgba(15, 23, 42, 0.6); backdrop-filter: blur(20px);
    padding: 40px; border-radius: 24px; border: 1px solid rgba(255,255,255,0.1);
}
.as-item { text-align: center; }
.as-val { font-size: 42px; font-weight: 700; background: linear-gradient(45deg, var(--aurora-primary), var(--aurora-secondary)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; margin-bottom: 5px;}
.as-lbl { font-size: 15px; color: #94a3b8; font-weight: 500;}

/* Features */
.aurora-features { margin-bottom: 100px;}
.af-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 30px;}
.af-card {
    background: rgba(255,255,255,0.03); padding: 40px; border-radius: 20px;
    border: 1px solid rgba(255,255,255,0.05); transition: all 0.4s;
    backdrop-filter: blur(10px);
}
.af-card:hover {
    background: rgba(255,255,255,0.08); transform: translateY(-5px);
    border-color: rgba(16, 185, 129, 0.3); box-shadow: 0 20px 40px rgba(0,0,0,0.2);
}
.af-card h3 { font-size: 22px; font-weight: 600; margin-bottom: 15px; color: #fff;}
.af-card p { font-size: 16px; color: #cbd5e1;}

/* Nodes */
.aurora-nodes { margin-bottom: 100px; text-align: center;}
.aurora-nodes h2 { font-size: 36px; font-weight: 300; margin-bottom: 40px; color: #fff;}
.an-list { display: flex; flex-wrap: wrap; gap: 15px; justify-content: center;}
.an-item {
    padding: 12px 24px; background: rgba(0,0,0,0.4); border-radius: 12px;
    font-size: 15px; color: #e2e8f0; border: 1px solid rgba(255,255,255,0.1);
    backdrop-filter: blur(5px);
}

/* FAQ */
.aurora-faq { margin-bottom: 100px; max-width: 800px; margin-left: auto; margin-right: auto;}
.aurora-faq h2 { font-size: 36px; font-weight: 300; margin-bottom: 50px; color: #fff; text-align: center;}
.a-faq-item {
    margin-bottom: 25px; background: rgba(15, 23, 42, 0.6); border-radius: 16px;
    padding: 30px; border: 1px solid rgba(255,255,255,0.05); backdrop-filter: blur(10px);
}
.a-fq { font-size: 18px; font-weight: 600; color: #fff; margin-bottom: 12px;}
.a-fa { font-size: 15px; color: #94a3b8;}

footer { text-align: center; padding: 40px 0; border-top: 1px solid rgba(255,255,255,0.1); color: #64748b; font-size: 14px;}

@media (max-width: 900px) {
    .aurora-header { flex-direction: column; gap: 20px; }
    .aurora-hero h1 { font-size: 42px; }
    .aurora-stats { flex-direction: column; gap: 30px; }
    .af-grid { grid-template-columns: 1fr; }
    .btn-aurora, .btn-aurora-alt { display: block; margin: 15px auto; width: 80%;}
}