html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    background-color: #f8fafc;
}

.bg-radial-navy {
    background: radial-gradient(circle at 50% 0%, #1e293b 0%, #020617 80%, #000000 100%);
}

.bg-hero-image {
    background-image: radial-gradient(circle at 50% 0%, rgba(30, 41, 59, 0.75) 0%, rgba(2, 6, 23, 0.92) 80%, rgba(0, 0, 0, 0.97) 100%),
    url('https://images.unsplash.com/photo-1545324418-cc1a3fa10c00?q=80&w=2000&auto=format&fit=crop');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
}

.text-gradient-holographic {
    background: linear-gradient(135deg, #3b82f6 0%, #ec4899 50%, #eab308 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.border-holographic-top {
    position: relative;
}

.border-holographic-top::before {
    content: '';
    position: absolute;
    top: 0; 
    left: 0; 
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, #3b82f6, #ec4899, #eab308);
}

.glass-surface {
    background: rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.4);
}

.glass-surface-dark {
    background: rgba(2, 6, 23, 0.75);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.shadow-premium {
    box-shadow: 
        0 2px 4px rgba(15, 23, 42, 0.02),
        0 8px 16px rgba(15, 23, 42, 0.04),
        0 16px 32px rgba(15, 23, 42, 0.04),
        0 24px 64px rgba(15, 23, 42, 0.06);
}

:root {
    --ease-elite: cubic-bezier(0.16, 1, 0.3, 1); 
}

.card-interactive {
    transition: transform 0.6s var(--ease-elite), box-shadow 0.6s var(--ease-elite);
    will-change: transform;
}

.card-interactive:hover {
    transform: translateY(-8px);
    box-shadow: 
        0 4px 8px rgba(15, 23, 42, 0.02),
        0 16px 32px rgba(15, 23, 42, 0.06),
        0 32px 64px rgba(15, 23, 42, 0.08);
}

.btn-premium {
    position: relative;
    overflow: hidden;
    transition: all 0.4s var(--ease-elite);
}

.btn-premium::after {
    content: '';
    position: absolute;
    top: 0; 
    left: -100%;
    width: 100%; 
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.6s var(--ease-elite);
}

.btn-premium:hover::after {
    left: 100%;
}

.btn-premium:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px -5px rgba(202, 138, 4, 0.3);
}

.icon-trust-gold {
    color: #ca8a04;
    filter: drop-shadow(0 4px 6px rgba(202, 138, 4, 0.2));
}