:root {
    --blue-dark: #0a1a3a;
    --blue-main: #0b3fa7;
    --blue-light: #1aa3ff;
    --text-light: #ffffff;
    --text-muted: #b8c7e0;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    background: radial-gradient(circle at top, #06142e, #020814);
    color: var(--text-light);
}

section {
    padding: 80px;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit,minmax(250px,1fr));
    gap: 30px;
}

.card {
    background: linear-gradient(180deg, #0b1f4b, #07122f);
    padding: 30px;
    border-radius: 10px;
    border: 1px solid rgba(26,163,255,0.3);
    transition: 0.3s;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 0 25px rgba(26,163,255,0.3);
}

.section-title {
    font-size: 36px;
    margin-bottom: 10px;
    text-align: center;
}

.section-sub {
    text-align: center;
    color: var(--text-muted);
    margin-bottom: 60px;
}