:root {
    --aurora-dark: #0f172a;
    --aurora-green: #34d399;
    --aurora-purple: #a78bfa;
    --aurora-blue: #38bdf8;
    --aurora-bg: #1e293b;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    background-color: var(--aurora-dark);
    color: #e2e8f0;
    font-family: 'Rubik', sans-serif;
    overflow-x: hidden;
}

/* Floating Aurora background */
.aurora-bg {
    position: fixed; top: 0; left: 0; width: 100vw; height: 100vh; z-index: -1;
    background: 
        radial-gradient(ellipse at top left, rgba(52, 211, 153, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at top right, rgba(167, 139, 250, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at bottom center, rgba(56, 189, 248, 0.15) 0%, transparent 50%);
    filter: blur(40px);
}

a { text-decoration: none; color: inherit; }

/* Sticky Top Nav, minimal */
.top-nav {
    position: sticky; top: 0; z-index: 100;
    background: rgba(15, 23, 42, 0.8); backdrop-filter: blur(15px);
    display: flex; justify-content: space-between; align-items: center;
    padding: 20px 40px; border-bottom: 1px solid rgba(255,255,255,0.05);
}
.brand { font-size: 26px; font-weight: 800; background: linear-gradient(90deg, var(--aurora-green), var(--aurora-blue)); -webkit-background-clip: text; -webkit-text-fill-color: transparent;}
.menu { display: flex; gap: 30px; }
.menu a { font-size: 14px; font-weight: 500; transition: 0.3s; }
.menu a:hover { color: var(--aurora-green); }
.btn-dl { background: linear-gradient(90deg, var(--aurora-green), var(--aurora-blue)); color: var(--aurora-dark); padding: 10px 25px; border-radius: 30px; font-weight: bold; font-size: 14px;}
.btn-dl:hover { opacity: 0.9; box-shadow: 0 0 20px rgba(52, 211, 153, 0.4); }

.container { max-width: 1400px; margin: 0 auto; padding: 0 20px; }

/* Sections Layout: Asymmetrical */
.sec-hero { padding: 100px 0; display: flex; justify-content: space-between; align-items: center; }
.h-content { max-width: 600px; }
.h-content h1 { font-size: 64px; line-height: 1.1; margin-bottom: 25px; }
.h-content p { font-size: 18px; color: #94a3b8; margin-bottom: 40px; }
.h-acts { display: flex; gap: 20px; }
.btn-gh { border: 2px solid var(--aurora-green); color: var(--aurora-green); padding: 12px 30px; border-radius: 30px; font-weight: bold;}

/* Hero Graphic Placeholder */
.h-graphic { width: 500px; height: 500px; position: relative; border-radius: 50%; border: 1px dashed rgba(255,255,255,0.1); display: flex; justify-content: center; align-items: center;}
.h-graphic::after { content: ''; width: 300px; height: 300px; border-radius: 50%; background: linear-gradient(135deg, var(--aurora-green), var(--aurora-purple)); opacity: 0.2; filter: blur(20px);}

/* Quick Trust Belt */
.t-belt { display: flex; gap: 40px; padding: 30px 0; border-top: 1px solid rgba(255,255,255,0.05); border-bottom: 1px solid rgba(255,255,255,0.05); margin-bottom: 80px;}
.t-item { font-size: 14px; font-weight: 500; display: flex; align-items: center; gap: 10px;}
.t-item::before { content: ''; width: 10px; height: 10px; background: var(--aurora-green); border-radius: 50%; box-shadow: 0 0 10px var(--aurora-green);}

/* Grid for Nodes and Stats (Mixed) */
.mixed-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; margin-bottom: 100px; }
.m-card { background: var(--aurora-bg); border-radius: 20px; padding: 40px; border: 1px solid rgba(255,255,255,0.05); position: relative; overflow: hidden;}
.m-card.large { grid-column: span 2; }
.m-card.gradient { background: linear-gradient(135deg, var(--aurora-dark), var(--aurora-bg)); }

.m-title { font-size: 24px; margin-bottom: 20px; color: #fff; }
.m-desc { color: #94a3b8; font-size: 15px; }

/* Stats specific */
.stat-flex { display: flex; justify-content: space-around; margin-top: 30px; }
.sf-item { text-align: center; }
.sf-item b { display: block; font-size: 40px; color: var(--aurora-green); margin-bottom: 5px; }
.sf-item span { font-size: 12px; color: #94a3b8; text-transform: uppercase; }

/* Nodes specific */
.n-pill-wrap { display: flex; flex-wrap: wrap; gap: 15px; margin-top: 20px; }
.n-pill { background: rgba(0,0,0,0.3); padding: 10px 20px; border-radius: 30px; border: 1px solid rgba(255,255,255,0.1); font-size: 14px;}
.n-pill span { color: var(--aurora-purple); margin-left: 10px; font-size: 12px;}

/* Two column Features */
.feat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; margin-bottom: 100px; }
.fc { background: rgba(30, 41, 59, 0.5); padding: 40px; border-radius: 20px; border-left: 4px solid var(--aurora-blue); }
.fc h3 { font-size: 22px; margin-bottom: 15px; color: #fff; }
.fc p { font-size: 15px; color: #94a3b8; line-height: 1.7; }

/* Reviews and FAQ Full Width */
.info-section { border-top: 1px solid rgba(255,255,255,0.05); padding-top: 80px; margin-bottom: 80px; }
.is-head { font-size: 32px; text-align: center; margin-bottom: 50px; }

.rev-slide { display: flex; gap: 30px; margin-bottom: 80px; overflow-x: auto; padding-bottom: 20px; scrollbar-width: none;}
.rs-item { min-width: 350px; background: var(--aurora-bg); padding: 30px; border-radius: 16px; border: 1px solid rgba(255,255,255,0.05);}
.rs-item .stars { color: #fbbf24; margin-bottom: 15px;}
.rs-item p { font-size: 15px; margin-bottom: 15px; color: #cbd5e1; }
.rs-item b { font-size: 13px; color: var(--aurora-green); }

.faq-list { max-width: 800px; margin: 0 auto; }
.fq { border-bottom: 1px solid rgba(255,255,255,0.05); padding: 20px 0; }
.fq-title { font-size: 16px; font-weight: 600; cursor: pointer; display: flex; justify-content: space-between;}
.fq-ans { padding-top: 15px; font-size: 14px; color: #94a3b8; display: none; }

footer { text-align: center; padding: 40px; color: #64748b; font-size: 14px; }

@media (max-width: 1000px) {
    .sec-hero { flex-direction: column; text-align: center; }
    .h-graphic { display: none; }
    .mixed-grid, .feat-grid { grid-template-columns: 1fr; }
    .m-card.large { grid-column: span 1; }
    .menu { display: none; }
    .t-belt { flex-wrap: wrap; justify-content: center; }
}