:root {
    --blue-dark: #0f172a;
    --blue-mid: #1e3a8a;
    --blue-light: #3b82f6;
    --blue-accent: #60a5fa;
    --text-white: #f8fafc;
    --text-muted: #cbd5e1;
    --glass-bg: rgba(30, 58, 138, 0.4);
    --glass-border: rgba(96, 165, 250, 0.2);
}

* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Segoe UI', system-ui, sans-serif; }

body {
    background-color: var(--blue-dark);
    background-image: radial-gradient(circle at top right, var(--blue-mid), var(--blue-dark) 70%);
    background-attachment: fixed;
    color: var(--text-white);
    line-height: 1.7;
}
a { text-decoration: none; color: inherit; transition: 0.3s; }
.wrapper { max-width: 1100px; margin: 0 auto; padding: 0 5%; }

/* Navigation */
.navbar {
    display: flex; justify-content: space-between; align-items: center;
    padding: 25px 0; border-bottom: 1px solid var(--glass-border);
}
.brand-name { font-size: 22px; font-weight: 700; color: var(--text-white); display: flex; align-items: center; gap: 10px;}
.brand-name span { color: var(--blue-light); }
.nav-links { display: flex; gap: 35px; }
.nav-links a { font-size: 15px; color: var(--text-muted); font-weight: 500;}
.nav-links a:hover { color: var(--blue-light); }
.btn-primary {
    background: var(--blue-light);
    color: #fff;
    padding: 10px 24px;
    border-radius: 8px;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}
.btn-primary:hover { background: var(--blue-accent); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4); }

/* Hero Section */
.hero { padding: 100px 0; text-align: center; }
.hero h1 { font-size: 56px; font-weight: 800; margin-bottom: 20px; line-height: 1.2; }
.hero h1 span { color: var(--blue-light); }
.hero p { font-size: 18px; color: var(--text-muted); max-width: 650px; margin: 0 auto 40px; }
.hero-cta { display: flex; justify-content: center; gap: 20px; }
.btn-secondary {
    background: transparent;
    border: 2px solid var(--blue-light);
    color: var(--blue-light);
    padding: 10px 24px;
    border-radius: 8px;
    font-weight: 600;
}
.btn-secondary:hover { background: var(--glass-bg); }

/* Trust Strip */
.trust-strip {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 20px 40px;
    display: flex; justify-content: space-between;
    margin-bottom: 80px;
}
.trust-strip div { color: var(--text-muted); font-size: 14px; font-weight: 500; }

/* Metrics */
.metrics { display: flex; gap: 20px; margin-bottom: 100px; }
.m-card {
    flex: 1; text-align: center; padding: 40px 20px;
    background: linear-gradient(180deg, var(--glass-bg), transparent);
    border-radius: 16px; border: 1px solid var(--glass-border);
}
.m-val { font-size: 42px; font-weight: 800; color: var(--blue-accent); margin-bottom: 5px;}
.m-name { font-size: 14px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px;}

/* Section Headers */
.section-title { font-size: 32px; font-weight: 700; text-align: center; margin-bottom: 60px; }

/* Features */
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; margin-bottom: 100px; }
.feature-box {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 40px 30px;
    border-radius: 16px;
    backdrop-filter: blur(5px);
    transition: transform 0.3s;
}
.feature-box:hover { transform: translateY(-5px); border-color: var(--blue-light); }
.feature-box h3 { font-size: 20px; margin-bottom: 15px; color: var(--text-white); }
.feature-box p { font-size: 15px; color: var(--text-muted); }

/* Nodes */
.nodes { margin-bottom: 100px; }
.node-list { display: flex; flex-wrap: wrap; justify-content: center; gap: 15px; }
.node-badge {
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--glass-border);
    padding: 12px 24px;
    border-radius: 30px;
    display: flex; align-items: center; gap: 10px;
}
.node-badge strong { font-weight: 600; color: var(--text-white); }
.node-badge span { font-size: 12px; color: var(--blue-accent); }

/* Testimonials */
.testi-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; margin-bottom: 100px; }
.t-card { padding: 30px; border-radius: 16px; background: rgba(0,0,0,0.2); border: 1px solid var(--glass-border); }
.t-card p { font-size: 15px; color: var(--text-muted); margin: 15px 0; font-style: italic; }
.t-card .stars { color: #fbbf24; }
.t-card h4 { font-size: 14px; font-weight: 600; color: var(--blue-light); text-transform: uppercase;}

/* FAQ */
.faq-container { max-width: 700px; margin: 0 auto 100px; }
.faq-item {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    margin-bottom: 15px;
    overflow: hidden;
}
.faq-head { padding: 20px; font-weight: 600; cursor: pointer; display: flex; justify-content: space-between; align-items: center; }
.faq-body { padding: 0 20px 20px; color: var(--text-muted); font-size: 15px; display: none; }

/* Footer */
footer { text-align: center; padding: 40px; border-top: 1px solid var(--glass-border); color: var(--text-muted); font-size: 14px; }