:root {
    --frost-bg: #e2e8f0;
    --frost-card: rgba(255, 255, 255, 0.7);
    --frost-border: rgba(255, 255, 255, 0.5);
    --frost-text: #1e293b;
    --frost-accent: #6366f1;
    --frost-shadow: rgba(0, 0, 0, 0.1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    background: var(--frost-bg) url('data:image/svg+xml;utf8,<svg viewBox="0 0 100 100" xmlns="http://www.w3.org/2000/svg"><circle cx="20" cy="30" r="40" fill="%23c7d2fe" opacity="0.6"/><circle cx="80" cy="70" r="50" fill="%23ddd6fe" opacity="0.6"/></svg>') fixed center/cover;
    color: var(--frost-text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    min-height: 100vh;
    padding: 20px;
}

.glass-card {
    background: var(--frost-card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--frost-border);
    border-radius: 24px;
    box-shadow: 0 10px 30px var(--frost-shadow), inset 0 1px 0 rgba(255,255,255,0.8);
}

/* Nav */
.top-nav {
    display: flex; justify-content: space-between; align-items: center;
    padding: 15px 30px; max-width: 1200px; margin: 0 auto 40px auto;
}
.brand { font-size: 22px; font-weight: 800; background: linear-gradient(45deg, #4f46e5, #ec4899); -webkit-background-clip: text; -webkit-text-fill-color: transparent;}
.nav-links { display: flex; gap: 30px; }
.nav-links a { text-decoration: none; color: var(--frost-text); font-weight: 500; transition: color 0.3s;}
.nav-links a:hover { color: var(--frost-accent); }
.btn-glass {
    background: rgba(99, 102, 241, 0.9); color: white; padding: 10px 24px; border-radius: 12px;
    text-decoration: none; font-weight: 600; box-shadow: 0 4px 15px rgba(99,102,241,0.3); transition: all 0.3s;
}
.btn-glass:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(99,102,241,0.4); }

/* Layout */
.main-wrapper {
    max-width: 1200px; margin: 0 auto;
    display: grid; grid-template-columns: 2fr 1fr; gap: 30px;
}

/* Left Col */
.hero-glass { padding: 60px; margin-bottom: 30px; text-align: left;}
.hero-glass h1 { font-size: 54px; line-height: 1.1; margin-bottom: 20px; letter-spacing: -1px;}
.hero-glass p { font-size: 20px; color: #475569; margin-bottom: 40px; line-height: 1.6;}
.btn-group { display: flex; gap: 20px; }
.btn-glass-alt {
    background: rgba(255,255,255,0.5); color: var(--frost-accent); padding: 12px 30px; border-radius: 12px;
    text-decoration: none; font-weight: 600; border: 1px solid var(--frost-border); transition: all 0.3s;
}
.btn-glass-alt:hover { background: rgba(255,255,255,0.8); }

.features-glass { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-bottom: 30px;}
.f-card { padding: 30px 20px; text-align: center; transition: transform 0.3s;}
.f-card:hover { transform: translateY(-5px); }
.f-icon { font-size: 36px; margin-bottom: 15px;}
.f-card h3 { font-size: 18px; margin-bottom: 10px;}
.f-card p { font-size: 14px; color: #475569; line-height: 1.5;}

/* Right Col */
.stats-glass { padding: 30px; margin-bottom: 30px; display: flex; flex-direction: column; gap: 20px;}
.s-item { border-bottom: 1px solid var(--frost-border); padding-bottom: 15px;}
.s-item:last-child { border-bottom: none; padding-bottom: 0;}
.s-num { font-size: 32px; font-weight: 800; color: var(--frost-accent);}
.s-txt { font-size: 14px; color: #475569; font-weight: 500;}

.trust-glass { padding: 30px; }
.trust-item { display: flex; align-items: center; gap: 15px; margin-bottom: 20px;}
.t-icon { width: 30px; height: 30px; background: #10b981; border-radius: 50%; display: flex; align-items: center; justify-content: center; color: white;}
.trust-item p { font-size: 14px; font-weight: 500;}

/* Bottom Area */
.nodes-glass { max-width: 1200px; margin: 0 auto 30px auto; padding: 40px; display: flex; justify-content: space-between; align-items: center;}
.n-city { text-align: center; }
.n-name { font-size: 18px; font-weight: bold; margin-bottom: 5px;}
.n-bw { font-size: 12px; background: rgba(99,102,241,0.1); color: var(--frost-accent); padding: 4px 10px; border-radius: 20px;}

.faq-glass { max-width: 1200px; margin: 0 auto; padding: 40px; }
.faq-wrap { margin-top: 20px; }
.faq-box { margin-bottom: 15px; border-bottom: 1px solid var(--frost-border); padding-bottom: 15px;}
.faq-q { font-weight: 600; font-size: 16px; margin-bottom: 10px;}
.faq-a { font-size: 14px; color: #475569; line-height: 1.6;}

@media (max-width: 900px) {
    .main-wrapper { grid-template-columns: 1fr; }
    .features-glass { grid-template-columns: 1fr; }
    .top-nav { flex-direction: column; gap: 20px; }
    .nav-links { flex-wrap: wrap; justify-content: center; }
    .nodes-glass { flex-direction: column; gap: 20px; }
}