:root {
    --glass-primary: #3b82f6;
    --glass-accent: #22d3ee;
    --glass-bg: #05070d;
    --glass-card: rgba(13, 20, 36, 0.68);
    --glass-border: rgba(148, 163, 184, 0.22);
    --glass-text: #f8fafc;
    --glass-muted: #9ca3af;
    --glass-shadow: 0 16px 48px -28px rgba(2, 6, 23, 0.9);
}

.hero-gradient {
    background:
        radial-gradient(circle at 50% 24%, rgba(59, 130, 246, 0.2) 0%, transparent 55%),
        radial-gradient(circle at 22% 80%, rgba(34, 211, 238, 0.16) 0%, transparent 56%);
}

.glass {
    background: var(--glass-card);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
    transition: background-color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
}

.text-gradient {
    background: linear-gradient(125deg, #0ea5e9 0%, #3b82f6 45%, #14b8a6 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: block;
}

.feature-card {
    transition: all 0.35s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: rgba(59, 130, 246, 0.55);
}

.btn-primary {
    background: linear-gradient(120deg, #0ea5e9 0%, #2563eb 100%);
    color: #ffffff;
    border: 1px solid rgba(96, 165, 250, 0.4);
    box-shadow: 0 12px 30px -18px rgba(37, 99, 235, 0.75);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 20px 35px -20px rgba(37, 99, 235, 0.8);
}

.btn-ghost {
    background: var(--glass-card);
    border: 1px solid var(--glass-border);
    color: var(--glass-text);
}

.section-surface {
    background: linear-gradient(180deg, rgba(15, 23, 42, 0.42) 0%, rgba(15, 23, 42, 0.12) 100%);
}